d069b696a63e42732d8ba09068cada5ec9d9622f
[lxde/lxpanel.git] / plugins / launchtaskbar.c
1 /**
2 * Copyright (c) 2006-2014 LxDE Developers, see the file AUTHORS for details.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17 */
18
19 /*
20 * Started by Giuseppe Penone <giuspen@gmail.com> merging launchbar and taskbar
21 * and adding interoperability between them.
22 */
23
24 /*
25 * Taskbar plugin:
26 * 2006.09.10 modified by Hong Jen Yee (PCMan) pcman.tw (AT) gmail.com
27 * Following features are added:
28 * 1. Add XUrgencyHint support. (Flashing task bar buttons, can be disabled)
29 * 2. Raise window when files get dragged over taskbar buttons.
30 * 3. Add Restore & Maximize menu items to popup menu of task bar buttons.
31 */
32
33 //#define DEBUG // killall lxpanel && lxpanel --profile Lubuntu &
34
35 #ifdef HAVE_CONFIG_H
36 #include <config.h>
37 #endif
38
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <string.h>
42 #include <unistd.h>
43 #include <sys/types.h>
44 #include <sys/wait.h>
45 #include <signal.h>
46 #include <errno.h>
47 #include <X11/Xlib.h>
48 #include <X11/Xutil.h>
49
50 #include <gdk-pixbuf/gdk-pixbuf.h>
51 #include <gdk-pixbuf-xlib/gdk-pixbuf-xlib.h>
52 #include <gdk/gdk.h>
53 #include <glib/gi18n.h>
54
55 #include <libfm/fm-gtk.h>
56
57 #include "misc.h"
58 #include "ev.h"
59 #include "plugin.h"
60 #include "icon.xpm"
61 #include "icon-grid.h"
62 #ifndef DISABLE_MENU
63 # include "menu-policy.h"
64 #endif
65 #include "gtk-compat.h"
66
67 #define PANEL_ICON_SIZE 24 /* see the private.h */
68
69 /* Column definitions for configuration dialogs. */
70 enum {
71 COL_ICON,
72 COL_TITLE,
73 COL_ICON_NAME,
74 COL_BTN,
75 N_COLS
76 };
77
78 typedef enum {
79 LAUNCHBAR = 0, /* GtkComboBox is 0-indexed. */
80 TASKBAR,
81 LAUNCHTASKBAR
82 } LtbMode;
83
84 typedef struct LaunchTaskBarPlugin LaunchTaskBarPlugin;
85
86 /* Structure representing a class. This comes from WM_CLASS, and should identify windows that come from an application. */
87 typedef struct _task_class {
88 struct _task_class *p_taskclass_flink; /* Forward link */
89 char * res_class; /* Class name */
90 struct _task * p_task_head; /* Head of list of tasks with this class */
91 struct _task * p_task_visible; /* Task that is visible in current desktop, if any */
92 char * visible_name; /* Name that will be visible for grouped tasks */
93 int visible_count; /* Count of tasks that are visible in current desktop */
94 } TaskClass;
95
96 /* Structure representing a "task", an open window. */
97 typedef struct _task {
98 struct _task * p_task_flink_xwid; /* Forward link to next task in X window ID order */
99 LaunchTaskBarPlugin * tb; /* Back pointer to plugin */
100 Window win; /* X window ID */
101 char * name; /* Taskbar label when normal, from WM_NAME or NET_WM_NAME */
102 char * name_iconified; /* Taskbar label when iconified */
103 char * exec_bin; /* Exec bin associated to Window */
104 Atom name_source; /* Atom that is the source of taskbar label */
105 TaskClass * p_taskclass; /* Class, from WM_CLASS */
106 struct _task * p_task_flink_same_class; /* Forward link to task in same class */
107 GtkWidget * button; /* Button representing task in taskbar */
108 GtkWidget * image; /* Icon for task, child of button */
109 Atom image_source; /* Atom that is the source of taskbar icon */
110 GtkWidget * label; /* Label for task, child of button */
111 GtkWidget * menu_item; /* Menu item for grouped task after click */
112 gint desktop; /* Desktop that contains task, needed to switch to it on Raise */
113 gint monitor; /* Monitor that the window is on or closest to */
114 guint flash_timeout; /* Timer for urgency notification */
115 unsigned int focused :1; /* True if window has focus */
116 unsigned int iconified :1; /* True if window is iconified, from WM_STATE */
117 unsigned int urgency :1; /* True if window has an urgency hint, from WM_HINTS */
118 unsigned int flash_state :1; /* One-bit counter to flash taskbar */
119 unsigned int entered_state :1; /* True if cursor is inside taskbar button */
120 unsigned int present_in_client_list :1; /* State during WM_CLIENT_LIST processing to detect deletions */
121 } Task; /* FIXME: convert it into GtkWidget, eliminate button and menu_item */
122
123 /* Representative of one launch button.
124 * Note that the launch parameters come from the specified desktop file, or from the configuration file.
125 * This structure is also used during the "add to launchtaskbar" dialog to hold menu items. */
126 typedef struct {
127 LaunchTaskBarPlugin * p; /* Back pointer to plugin */
128 GtkWidget * widget; /* Pointer to button */
129 FmFileInfo * fi; /* Launcher application descriptor */
130 config_setting_t * settings; /* Pointer to settings */
131 FmDndDest * dd; /* Drag and drop support */
132 } LaunchButton; /* FIXME: convert it into GtkWidget, button itself */
133
134 /* Private context for taskbar plugin. */
135 struct LaunchTaskBarPlugin {
136 /* LAUNCHBAR */
137 GtkWidget *lb_icon_grid; /* Icon grid managing the container */
138 GSList *buttons; /* Launchbar buttons */
139 LaunchButton *bootstrap_button; /* Bootstrapping button for empty launchtaskbar */
140 GtkWidget *p_button_add, *p_button_remove, *p_label_menu_app_exec, *p_label_def_app_exec;
141 /* TASKBAR */
142 Task * p_task_list; /* List of tasks to be displayed in taskbar */
143 TaskClass * p_taskclass_list; /* Window class list */
144 GtkWidget * tb_icon_grid; /* Manager for taskbar buttons */
145 GtkWidget * menu; /* Popup menu for task control (Close, Raise, etc.) */
146 GtkWidget * group_menu; /* Popup menu for grouping selection */
147 GtkWidget * workspace_menu0; /* "Workspace 1" menu item */
148 GdkPixbuf * fallback_pixbuf; /* Fallback task icon when none is available */
149 int number_of_desktops; /* Number of desktops, from NET_WM_NUMBER_OF_DESKTOPS */
150 int current_desktop; /* Current desktop, from NET_WM_CURRENT_DESKTOP */
151 Task * focused; /* Task that has focus */
152 Task * focused_previous; /* Task that had focus just before panel got it */
153 Task * menutask; /* Task for which popup menu is open */
154 guint dnd_delay_timer; /* Timer for drag and drop delay */
155 gboolean dnd_task_moving; /* User is currently moving a task button */
156 int icon_size; /* Size of task icons */
157 gboolean show_all_desks; /* User preference: show windows from all desktops */
158 gboolean tooltips; /* User preference: show tooltips */
159 gboolean icons_only; /* User preference: show icons only, omit name */
160 gboolean use_mouse_wheel; /* User preference: scroll wheel does iconify and raise */
161 gboolean use_urgency_hint; /* User preference: windows with urgency will flash */
162 gboolean flat_button; /* User preference: taskbar buttons have visible background */
163 gboolean grouped_tasks; /* User preference: windows from same task are grouped onto a single button */
164 gboolean same_monitor_only; /* User preference: only show windows that are in the same monitor as the taskbar */
165 gboolean disable_taskbar_upscale; /* User preference: don't upscale taskbar icons */
166 int task_width_max; /* Maximum width of a taskbar button in horizontal orientation */
167 int spacing; /* Spacing between taskbar buttons */
168 gboolean use_net_active; /* NET_WM_ACTIVE_WINDOW is supported by the window manager */
169 gboolean net_active_checked; /* True if use_net_active is valid */
170 /* COMMON */
171 #ifndef DISABLE_MENU
172 GtkWidget *p_menuitem_lock_tbp;
173 GtkWidget *p_menuitem_unlock_tbp;
174 GtkWidget *p_menuitem_new_instance;
175 GtkWidget *p_menuitem_separator;
176 #endif
177 GtkWidget * plugin; /* Back pointer to Plugin */
178 LXPanel * panel; /* Back pointer to panel */
179 config_setting_t * settings;
180 GdkScreen *screen;
181 GtkWidget *config_dlg; /* Configuration dialog */
182 GtkNotebook *p_notebook;
183 GtkWidget *p_notebook_page_launch;
184 GtkWidget *p_notebook_page_task;
185 GKeyFile *p_key_file_special_cases;
186 int mode;
187 gboolean lb_built;
188 gboolean tb_built;
189 gboolean fixed_mode; /* if mode cannot be changed */
190 };
191
192 static gchar *launchtaskbar_rc = "style 'launchtaskbar-style' = 'theme-panel'\n"
193 "{\n"
194 "GtkWidget::focus-line-width=0\n"
195 "GtkWidget::focus-padding=0\n"
196 "GtkButton::default-border={0,0,0,0}\n"
197 "GtkButton::default-outside-border={0,0,0,0}\n"
198 "GtkButton::inner-border={0,0,0,0}\n"
199 "}\n"
200 "widget '*launchbar.*' style 'launchtaskbar-style'\n"
201 "widget '*taskbar.*' style 'launchtaskbar-style'";
202
203 #define DRAG_ACTIVE_DELAY 1000
204 #define TASK_WIDTH_MAX 200
205 #define ALL_WORKSPACES -1
206 #define ICON_ONLY_EXTRA 6 /* Amount needed to have button lay out symmetrically */
207 #define ICON_BUTTON_TRIM 4 /* Amount needed to have button remain on panel */
208
209 static void launchtaskbar_destructor(gpointer user_data);
210
211 static void taskbar_redraw(LaunchTaskBarPlugin * tb);
212 static void task_delete(LaunchTaskBarPlugin * tb, Task * tk, gboolean unlink, gboolean remove);
213 static GdkPixbuf * task_update_icon(LaunchTaskBarPlugin * tb, Task * tk, Atom source);
214 static void flash_window_update(Task * tk);
215 static gboolean flash_window_timeout(gpointer tk);
216 static void task_group_menu_destroy(LaunchTaskBarPlugin * tb);
217 static gboolean taskbar_popup_activate_event(GtkWidget * widget, GdkEventButton * event, Task * tk);
218 static void taskbar_update_style(LaunchTaskBarPlugin * tb);
219 static void taskbar_net_client_list(GtkWidget * widget, LaunchTaskBarPlugin * tb);
220 static void taskbar_net_current_desktop(GtkWidget * widget, LaunchTaskBarPlugin * tb);
221 static void taskbar_net_number_of_desktops(GtkWidget * widget, LaunchTaskBarPlugin * tb);
222 static void taskbar_net_active_window(GtkWidget * widget, LaunchTaskBarPlugin * tb);
223 static gboolean task_has_urgency(Task * tk);
224 static GdkFilterReturn taskbar_event_filter(XEvent * xev, GdkEvent * event, LaunchTaskBarPlugin * tb);
225 static void taskbar_make_menu(LaunchTaskBarPlugin * tb);
226 static void taskbar_window_manager_changed(GdkScreen * screen, LaunchTaskBarPlugin * tb);
227 static void taskbar_apply_configuration(LaunchTaskBarPlugin * ltbp);
228
229 static void f_get_exec_cmd_from_pid(GPid pid, gchar *buffer_128, const gchar *proc_file)
230 {
231 buffer_128[0] = '\0';
232 FILE *pipe;
233 gchar command[64];
234 snprintf(command, 64, "cat /proc/%u/%s", pid, proc_file);
235 pipe = popen(command, "r");
236 if(pipe == NULL)
237 g_warning("ltbp: popen '%s'", command);
238 else if(fgets(buffer_128, 128, pipe) == NULL)
239 g_warning("ltbp: fgets '%s'", command);
240 else
241 {
242 gchar *p_char = strchr(buffer_128, '\n');
243 if(p_char != NULL) *p_char = '\0';
244 }
245 if(pipe != NULL) pclose(pipe);
246 }
247
248 #ifndef DISABLE_MENU
249 static FmFileInfo *f_find_menu_launchbutton_recursive(const char *exec_bin)
250 {
251 MenuCache *mc;
252 guint32 flags;
253 GSList *apps, *l;
254 size_t len;
255 const char *exec, *short_exec;
256 char *str_path;
257 FmPath *path;
258 FmFileInfoJob *job;
259 FmFileInfo *fi = NULL;
260
261 /* FIXME: cache it in Task object */
262 mc = panel_menu_cache_new(&flags);
263 /* FIXME: if menu plugin wasn't loaded yet we'll get NULL list here */
264 apps = menu_cache_list_all_apps(mc);
265 short_exec = strrchr(exec_bin, '/');
266 if (short_exec != NULL)
267 short_exec++;
268 else
269 short_exec = exec_bin;
270 len = strlen(short_exec);
271 /* the same executable may be used in numerous applications so wild guess
272 estimation check for desktop id equal to short_exec+".desktop" first */
273 for (l = apps; l; l = l->next)
274 {
275 exec = menu_cache_item_get_id(MENU_CACHE_ITEM(l->data));
276 /* we don't check flags here because user always can manually
277 start any app that isn't visible in the desktop menu */
278 if (strncmp(exec, short_exec, len) == 0 && exec[len] == '.')
279 break;
280 }
281 /* if not found then check for non-absolute exec name in application
282 since it usually is expanded by application starting functions */
283 if (l == NULL) for (l = apps; l; l = l->next)
284 {
285 exec = menu_cache_app_get_exec(MENU_CACHE_APP(l->data));
286 if (exec[0] != '/' && strncmp(exec, short_exec, len) == 0 &&
287 (exec[len] == ' ' || exec[len] == 0))
288 break;
289 }
290 /* well, not matched, let try full path, we assume here if application
291 starts executable by full path then process cannot have short name */
292 if (l == NULL && exec_bin[0] == '/')
293 {
294 len = strlen(exec_bin);
295 for (l = apps; l; l = l->next)
296 {
297 exec = menu_cache_app_get_exec(MENU_CACHE_APP(l->data));
298 if (exec[0] == '/' && strncmp(exec, exec_bin, len) == 0 &&
299 (exec[len] == ' ' || exec[len] == 0))
300 break;
301 }
302 }
303 if (l)
304 {
305 str_path = menu_cache_dir_make_path(MENU_CACHE_DIR(l->data));
306 path = fm_path_new_relative(fm_path_get_apps_menu(), str_path+13); /* skip /Applications */
307 g_free(str_path);
308 job = fm_file_info_job_new(NULL, FM_FILE_INFO_JOB_NONE);
309 fm_file_info_job_add(job, path);
310 fm_path_unref(path);
311 if (!fm_job_run_sync(FM_JOB(job)))
312 g_warning("launchtaskbar: problem running file info job");
313 else
314 fi = fm_file_info_list_pop_head(job->file_infos);
315 g_object_unref(job);
316 }
317 g_slist_foreach(apps, (GFunc)menu_cache_item_unref, NULL);
318 g_slist_free(apps);
319 menu_cache_unref(mc);
320 g_debug("f_find_menu_launchbutton_recursive: search '%s' found=%d", exec_bin, (fi != NULL));
321 return fi;
322 }
323 #endif
324
325 /* Deallocate a LaunchButton. */
326 static void launchbutton_free(LaunchButton * btn)
327 {
328 if (btn->fi)
329 fm_file_info_unref(btn->fi);
330 if (btn->dd)
331 g_object_unref(btn->dd);
332 g_free(btn);
333 }
334
335 /* Handler for "button-press-event" event from launchtaskbar button. */
336 static gboolean launchbutton_press_event(GtkWidget * widget, GdkEventButton * event, LaunchButton * b)
337 {
338 if (event->button == 1 && event->type == GDK_BUTTON_PRESS) /* left button */
339 {
340 if (b->fi == NULL) /* The bootstrap button */
341 lxpanel_plugin_show_config_dialog(b->p->plugin);
342 else
343 lxpanel_launch_path(b->p->panel, fm_file_info_get_path(b->fi));
344 return TRUE;
345 }
346 return FALSE;
347 }
348
349 /* Handler for "drag-motion" event from launchtaskbar button. */
350 static gboolean launchbutton_drag_motion_event(
351 GtkWidget * widget,
352 GdkDragContext * context,
353 gint x,
354 gint y,
355 guint time,
356 LaunchButton * b)
357 {
358 GdkAtom target;
359 GdkDragAction action = 0;
360
361 fm_dnd_dest_set_dest_file(b->dd, b->fi);
362 target = fm_dnd_dest_find_target(b->dd, context);
363 if (target != GDK_NONE && fm_dnd_dest_is_target_supported(b->dd, target))
364 action = fm_dnd_dest_get_default_action(b->dd, context, target);
365 gdk_drag_status(context, action, time);
366 /* g_debug("launchbutton_drag_motion_event: act=%u",action); */
367 return (action != 0);
368 }
369
370 /* Build the graphic elements for the bootstrap launchtaskbar button. */
371 static void launchbutton_build_bootstrap(LaunchTaskBarPlugin *lb)
372 {
373 if(lb->bootstrap_button == NULL)
374 {
375 /* Build a button that has the stock "Add" icon.
376 * The "desktop-id" being NULL is the marker that this is the bootstrap button. */
377 lb->bootstrap_button = g_new0(LaunchButton, 1);
378 lb->bootstrap_button->p = lb;
379
380 /* Create an event box. */
381 lb->bootstrap_button->widget = lxpanel_button_new_for_icon(lb->panel,
382 GTK_STOCK_ADD,
383 NULL, NULL);
384 g_signal_connect(lb->bootstrap_button->widget, "button-press-event",
385 G_CALLBACK(launchbutton_press_event), lb->bootstrap_button);
386
387 /* Add the bootstrap button to the icon grid. By policy it is empty at this point. */
388 gtk_container_add(GTK_CONTAINER(lb->lb_icon_grid), lb->bootstrap_button->widget);
389 //plugin_widget_set_background(lb->bootstrap_button->widget, lb->panel);
390 }
391 else
392 gtk_widget_show(lb->bootstrap_button->widget);
393 }
394
395 #ifndef DISABLE_MENU
396 static LaunchButton *launchbar_exec_bin_exists(LaunchTaskBarPlugin *lb, FmFileInfo *fi)
397 {
398 LaunchButton *ret_val = NULL;
399 FmPath *path;
400 GSList* l;
401
402 if (!fi)
403 return NULL;
404 path = fm_file_info_get_path(fi);
405 for(l = lb->buttons; l != NULL; l = l->next)
406 {
407 LaunchButton *btn = (LaunchButton *)l->data;
408 if (btn->fi && fm_path_equal(path, fm_file_info_get_path(btn->fi)))
409 {
410 ret_val = btn;
411 break;
412 }
413 }
414 return ret_val;
415 }
416 #endif
417
418 static void launchbar_update_after_taskbar_class_added(LaunchTaskBarPlugin *ltbp, Task *tk)
419 {
420 GPid pid = get_net_wm_pid(tk->win);
421 gchar exec_bin_full[128];
422 f_get_exec_cmd_from_pid(pid, exec_bin_full, "cmdline");
423 gchar *p_char = strrchr(exec_bin_full, '/');
424 if(p_char == NULL) p_char = exec_bin_full;
425 else p_char++;
426 g_free(tk->exec_bin);
427 if(strcmp(p_char, "python") == 0)
428 {
429 f_get_exec_cmd_from_pid(pid, exec_bin_full, "comm");
430 }
431 else
432 {
433 tk->exec_bin = g_key_file_get_string(ltbp->p_key_file_special_cases,
434 "special_cases", p_char, NULL);
435 if (tk->exec_bin != NULL) /* found this key */
436 return;
437 }
438 tk->exec_bin = g_strdup(exec_bin_full);
439
440 #ifdef DEBUG
441 if(ltbp->mode == LAUNCHTASKBAR)
442 {
443 FmFileInfo *fi = f_find_menu_launchbutton_recursive(tk->exec_bin);
444 LaunchButton *btn = launchbar_exec_bin_exists(ltbp, fi);
445 g_print("\nTB '%s' OPEN (pid=%u), in LB: %c\n",
446 tk->exec_bin, pid, btn != NULL ? 'Y':'N');
447 if (fi)
448 fm_file_info_unref(fi);
449 }
450 #endif
451 }
452
453 static void launchbar_update_after_taskbar_class_removed(LaunchTaskBarPlugin *ltbp, Task *tk)
454 {
455 #ifdef DEBUG
456 if(ltbp->mode == LAUNCHTASKBAR)
457 {
458 FmFileInfo *fi = f_find_menu_launchbutton_recursive(tk->exec_bin);
459 LaunchButton *btn = launchbar_exec_bin_exists(ltbp, fi);
460 g_print("\nTB '%s' CLOSE, in LB: %c\n", tk->exec_bin, btn != NULL ? 'Y':'N');
461 if (fi)
462 fm_file_info_unref(fi);
463 }
464 #endif
465 }
466
467 /* Build the graphic elements for a launchtaskbar button. The desktop_id field is already established. */
468 /* NOTE: this func consumes reference on fi */
469 static LaunchButton *launchbutton_for_file_info(LaunchTaskBarPlugin * lb, FmFileInfo * fi)
470 {
471 LaunchButton *btn;
472 GtkWidget *button;
473
474 if (fi == NULL)
475 {
476 g_warning("launchbar: desktop entry does not exist\n");
477 return NULL;
478 }
479
480 /* Allocate the LaunchButton structure. */
481 btn = g_new0(LaunchButton, 1);
482 btn->p = lb;
483 btn->fi = fi;
484
485 /* Create a button with the specified icon. */
486 button = lxpanel_button_new_for_fm_icon(lb->panel, fm_file_info_get_icon(fi),
487 NULL, NULL);
488 btn->widget = button;
489
490 gtk_widget_set_tooltip_text(button, fm_file_info_get_disp_name(fi));
491
492 /* Add the button to the icon grid. */
493 gtk_container_add(GTK_CONTAINER(lb->lb_icon_grid), button);
494
495 /* Drag and drop support. */
496 btn->dd = fm_dnd_dest_new_with_handlers(button);
497
498 /* Connect signals. */
499 g_signal_connect(button, "button-press-event", G_CALLBACK(launchbutton_press_event), (gpointer) btn);
500 g_signal_connect(button, "drag-motion", G_CALLBACK(launchbutton_drag_motion_event), btn);
501
502 /* If the list goes from null to non-null, remove the bootstrap button. */
503 if ((lb->buttons == NULL) && (lb->bootstrap_button != NULL))
504 gtk_widget_hide(lb->bootstrap_button->widget);
505
506 /* Append at end of list to preserve configured order. */
507 lb->buttons = g_slist_append(lb->buttons, btn);
508
509 /* Show the widget and return. */
510 //plugin_widget_set_background(button, lb->panel);
511 return btn;
512 }
513
514 static LaunchButton *launchbutton_build_gui(LaunchTaskBarPlugin * lb, FmPath * id)
515 {
516 /* Try to get the file data */
517 FmFileInfoJob *job = fm_file_info_job_new(NULL, FM_FILE_INFO_JOB_NONE);
518 FmFileInfo *fi;
519
520 fm_file_info_job_add(job, id);
521 if (!fm_job_run_sync(FM_JOB(job)))
522 {
523 g_warning("launchbar: problem running file info job\n");
524 g_object_unref(job);
525 return NULL;
526 }
527 fi = fm_file_info_list_pop_head(job->file_infos);
528 g_object_unref(job);
529 return launchbutton_for_file_info(lb, fi);
530 }
531
532 static LaunchButton *launchbutton_search_and_build_gui(LaunchTaskBarPlugin * lb, FmPath * id)
533 {
534 FmDirListJob *job = fm_dir_list_job_new2(id, FM_DIR_LIST_JOB_FAST);
535 FmFileInfo *fi;
536
537 if (!fm_job_run_sync(FM_JOB(job)))
538 {
539 g_warning("launchbar: problem running file search job\n");
540 g_object_unref(job);
541 return NULL;
542 }
543 fi = fm_file_info_list_pop_head(job->files);
544 g_object_unref(job);
545 return launchbutton_for_file_info(lb, fi);
546 }
547
548 /* Read the configuration file entry for a launchtaskbar button and create it. */
549 static gboolean launchbutton_constructor(LaunchTaskBarPlugin * lb, config_setting_t * s)
550 {
551 LaunchButton *btn = NULL;
552 const char *str;
553 char *str_path = NULL;
554 FmPath *path;
555
556 /* Read parameters from the configuration file and validate. */
557 if (!config_setting_lookup_string(s, "id", &str) || str[0] == '\0')
558 return FALSE;
559
560 /* Build the structures and return. */
561 if (str[0] == '~')
562 {
563 str_path = expand_tilda(str);
564 path = fm_path_new_for_path(str_path);
565 btn = launchbutton_build_gui(lb, path);
566 }
567 else if (strchr(str, '/') != NULL)
568 {
569 path = fm_path_new_for_str(str);
570 /* FIXME: check if str contains invalid path */
571 btn = launchbutton_build_gui(lb, path);
572 }
573 else
574 {
575 str_path = g_strdup_printf("search://menu://applications/?recursive=1&show_hidden=1&name=%s", str);
576 path = fm_path_new_for_uri(str_path);
577 btn = launchbutton_search_and_build_gui(lb, path);
578 }
579 g_free(str_path);
580 fm_path_unref(path);
581 if (btn)
582 btn->settings = s;
583 return (btn != NULL);
584 }
585
586 /* prototype of this is app_info_create_from_commandline() in libfm */
587 static gboolean _launchbutton_create_id(LaunchTaskBarPlugin * lb, config_setting_t * s)
588 {
589 const char *icon = NULL, *name, *exec, *path = NULL;
590 char *dirname, *filename;
591 int fd, terminal = 0;
592 gboolean ret = FALSE;
593
594 if (!config_setting_lookup_string(s, "action", &exec) || exec[0] == '\0')
595 return FALSE;
596 if (!config_setting_lookup_string(s, "tooltip", &name) || name[0] == '\0')
597 name = "Launcher"; /* placeholder, XDG requires a non-empty name */
598 config_setting_lookup_string(s, "image", &icon);
599 config_setting_lookup_string(s, "path", &path);
600 config_setting_lookup_int(s, "terminal", &terminal);
601
602 dirname = g_build_filename(g_get_user_data_dir(), "applications", NULL);
603 if (g_mkdir_with_parents(dirname, 0700) == 0)
604 {
605 filename = g_strdup_printf("%s/lxpanel-launcher-XXXXXX.desktop", dirname);
606 fd = g_mkstemp (filename);
607 if (fd != -1)
608 {
609 GString* content = g_string_sized_new(256);
610
611 g_string_printf(content,
612 "[" G_KEY_FILE_DESKTOP_GROUP "]\n"
613 G_KEY_FILE_DESKTOP_KEY_TYPE "=" G_KEY_FILE_DESKTOP_TYPE_APPLICATION "\n"
614 G_KEY_FILE_DESKTOP_KEY_NAME "=%s\n"
615 G_KEY_FILE_DESKTOP_KEY_EXEC "=%s\n"
616 G_KEY_FILE_DESKTOP_KEY_CATEGORIES "=X-LXPanel;\n",
617 name, exec);
618 if (icon)
619 g_string_append_printf(content, "Icon=%s\n", icon);
620 if (terminal)
621 g_string_append(content, G_KEY_FILE_DESKTOP_KEY_TERMINAL "=true\n");
622 if (path && path[0] == '/')
623 g_string_append_printf(content, "Path=%s\n", path);
624 close(fd);
625 ret = g_file_set_contents(filename, content->str, content->len, NULL);
626 if (ret) {
627 config_group_set_string(s, "id", filename);
628 /* FIXME: is it reasonable to remove obsolete keys too? */
629 lxpanel_config_save(lb->panel);
630 } else
631 g_unlink(filename);
632 g_string_free(content, TRUE);
633 }
634 g_free(filename);
635 }
636 g_free(dirname);
637 if (ret) /* we created it, let use it */
638 return launchbutton_constructor(lb, s);
639 return FALSE;
640 }
641
642 static void launchtaskbar_constructor_add_default_special_case(LaunchTaskBarPlugin *ltbp, const gchar *tk_exec, const gchar *mb_exec)
643 {
644 g_key_file_set_value(ltbp->p_key_file_special_cases, "special_cases", tk_exec, mb_exec);
645 }
646
647 static void launchtaskbar_constructor_launch(LaunchTaskBarPlugin *ltbp, gboolean build_bootstrap)
648 {
649 config_setting_t *settings;
650
651 if(!ltbp->lb_built)
652 {
653 ltbp->lb_built = TRUE;
654 /* Read parameters from the configuration file. */
655 settings = config_setting_get_member(ltbp->settings, "");
656 if (settings && config_setting_is_list(settings))
657 {
658 config_setting_t *s;
659 guint i;
660
661 for (i = 0; (s = config_setting_get_elem(settings, i)) != NULL; )
662 {
663 if (strcmp(config_setting_get_name(s), "Button") != 0)
664 {
665 g_warning("launchtaskbar: illegal token %s\n", config_setting_get_name(s));
666 config_setting_destroy(s);
667 }
668 else if (!launchbutton_constructor(ltbp, s) &&
669 /* try to create desktop id from old-style manual setup */
670 !_launchbutton_create_id(ltbp, s))
671 {
672 g_warning( "launchtaskbar: can't init button\n");
673 /* FIXME: show failed id to the user instead */
674 config_setting_destroy(s);
675 }
676 else /* success, accept the setting */
677 i++;
678 }
679 }
680 if(build_bootstrap)
681 {
682 if(ltbp->buttons == NULL)
683 launchbutton_build_bootstrap(ltbp);
684 }
685 }
686 gtk_widget_set_visible(ltbp->lb_icon_grid, TRUE);
687 }
688
689 static void launchtaskbar_constructor_task(LaunchTaskBarPlugin *ltbp)
690 {
691 if(!ltbp->tb_built)
692 {
693 config_setting_t *s = ltbp->settings;
694 gint tmp_int;
695
696 ltbp->tb_built = TRUE;
697
698 /* Parse configuration now */
699 if (config_setting_lookup_int(s, "tooltips", &tmp_int))
700 ltbp->tooltips = (tmp_int != 0);
701 if (config_setting_lookup_int(s, "IconsOnly", &tmp_int))
702 ltbp->icons_only = (tmp_int != 0);
703 if (config_setting_lookup_int(s, "ShowAllDesks", &tmp_int))
704 ltbp->show_all_desks = (tmp_int != 0);
705 if (config_setting_lookup_int(s, "SameMonitorOnly", &tmp_int))
706 ltbp->same_monitor_only = (tmp_int != 0);
707 if (config_setting_lookup_int(s, "DisableUpscale", &tmp_int))
708 ltbp->disable_taskbar_upscale = (tmp_int != 0);
709 config_setting_lookup_int(s, "MaxTaskWidth", &ltbp->task_width_max);
710 config_setting_lookup_int(s, "spacing", &ltbp->spacing);
711 if (config_setting_lookup_int(s, "UseMouseWheel", &tmp_int))
712 ltbp->use_mouse_wheel = (tmp_int != 0);
713 if (config_setting_lookup_int(s, "UseUrgencyHint", &tmp_int))
714 ltbp->use_urgency_hint = (tmp_int != 0);
715 if (config_setting_lookup_int(s, "FlatButton", &tmp_int))
716 ltbp->flat_button = (tmp_int != 0);
717 if (config_setting_lookup_int(s, "GroupedTasks", &tmp_int))
718 ltbp->grouped_tasks = (tmp_int != 0);
719
720 /* Make container for task buttons as a child of top level widget. */
721 ltbp->tb_icon_grid = panel_icon_grid_new(panel_get_orientation(ltbp->panel),
722 ltbp->task_width_max,
723 ltbp->icon_size, ltbp->spacing, 0,
724 panel_get_height(ltbp->panel));
725 panel_icon_grid_set_constrain_width(PANEL_ICON_GRID(ltbp->tb_icon_grid), TRUE);
726 gtk_box_pack_start(GTK_BOX(ltbp->plugin), ltbp->tb_icon_grid, TRUE, TRUE, 0);
727 gtk_container_set_border_width(GTK_CONTAINER(ltbp->tb_icon_grid), 0);
728 taskbar_update_style(ltbp);
729
730 /* Add GDK event filter. */
731 gdk_window_add_filter(NULL, (GdkFilterFunc) taskbar_event_filter, ltbp);
732
733 /* Connect signals to receive root window events and initialize root window properties. */
734 ltbp->number_of_desktops = get_net_number_of_desktops();
735 ltbp->current_desktop = get_net_current_desktop();
736 g_signal_connect(G_OBJECT(fbev), "current-desktop", G_CALLBACK(taskbar_net_current_desktop), (gpointer) ltbp);
737 g_signal_connect(G_OBJECT(fbev), "active-window", G_CALLBACK(taskbar_net_active_window), (gpointer) ltbp);
738 g_signal_connect(G_OBJECT(fbev), "number-of-desktops", G_CALLBACK(taskbar_net_number_of_desktops), (gpointer) ltbp);
739 g_signal_connect(G_OBJECT(fbev), "client-list", G_CALLBACK(taskbar_net_client_list), (gpointer) ltbp);
740
741 /* Make right-click menu for task buttons.
742 * It is retained for the life of the taskbar and will be shown as needed.
743 * Number of desktops and edge is needed for this operation. */
744 taskbar_make_menu(ltbp);
745
746 /* Connect a signal to be notified when the window manager changes. This causes re-evaluation of the "use_net_active" status. */
747 g_signal_connect(ltbp->screen, "window-manager-changed", G_CALLBACK(taskbar_window_manager_changed), ltbp);
748
749 /* Fetch the client list and redraw the taskbar. Then determine what window has focus. */
750 taskbar_net_client_list(NULL, ltbp);
751 taskbar_net_active_window(NULL, ltbp);
752 }
753 gtk_widget_set_visible(ltbp->tb_icon_grid, TRUE);
754 }
755
756 /* Plugin constructor. */
757 static GtkWidget *_launchtaskbar_constructor(LXPanel *panel, config_setting_t *settings,
758 LtbMode mode)
759 {
760 GtkWidget *p;
761 LaunchTaskBarPlugin *ltbp;
762
763 gtk_rc_parse_string(launchtaskbar_rc);
764
765 /* Allocate plugin context and set into Plugin private data pointer. */
766 ltbp = g_new0(LaunchTaskBarPlugin, 1);
767 ltbp->panel = panel;
768 ltbp->settings = settings;
769 ltbp->mode = mode;
770 ltbp->screen = gtk_widget_get_screen((GtkWidget*)panel);
771
772 /* Initialize to defaults. */
773 ltbp->icon_size = panel_get_icon_size(panel);
774 ltbp->tooltips = TRUE;
775 ltbp->icons_only = FALSE;
776 ltbp->show_all_desks = TRUE;
777 ltbp->task_width_max = TASK_WIDTH_MAX;
778 ltbp->spacing = 1;
779 ltbp->use_mouse_wheel = TRUE;
780 ltbp->use_urgency_hint = TRUE;
781 ltbp->grouped_tasks = FALSE;
782 ltbp->fixed_mode = (mode == LAUNCHBAR) || (mode == TASKBAR);
783
784 /* Special cases key file */
785 ltbp->p_key_file_special_cases = g_key_file_new();
786 gchar *special_cases_filepath = g_build_filename(g_get_user_config_dir(),
787 "lxpanel", "launchtaskbar.cfg", NULL);
788 if (!g_key_file_load_from_file(ltbp->p_key_file_special_cases,
789 special_cases_filepath,
790 G_KEY_FILE_KEEP_COMMENTS, NULL))
791 {
792 launchtaskbar_constructor_add_default_special_case(ltbp, "synaptic", "synaptic-pkexec");
793 launchtaskbar_constructor_add_default_special_case(ltbp, "soffice.bin", "libreoffice");
794 launchtaskbar_constructor_add_default_special_case(ltbp, "x-terminal-emulator", "lxterminal");
795 gchar *key_file_data = g_key_file_to_data(ltbp->p_key_file_special_cases, NULL, NULL);
796 g_file_set_contents(special_cases_filepath, key_file_data, -1, NULL);
797 g_free(key_file_data);
798 }
799 g_free(special_cases_filepath);
800
801 /* Allocate top level widget and set into Plugin widget pointer. */
802 ltbp->plugin = p = panel_box_new(panel, FALSE, 5);
803 lxpanel_plugin_set_data(p, ltbp, launchtaskbar_destructor);
804 /* Allocate an icon grid manager to manage the container. */
805 ltbp->lb_icon_grid = panel_icon_grid_new(panel_get_orientation(panel),
806 ltbp->icon_size, ltbp->icon_size,
807 3, 0, panel_get_height(panel));
808 gtk_box_pack_start(GTK_BOX(p), ltbp->lb_icon_grid, FALSE, TRUE, 0);
809
810 gtk_container_set_border_width(GTK_CONTAINER(p), 0);
811 gtk_container_set_border_width(GTK_CONTAINER(ltbp->lb_icon_grid), 0);
812
813 /* Read parameters from the configuration file. */
814 config_setting_lookup_int(settings, "LaunchTaskBarMode", &ltbp->mode);
815 switch (ltbp->mode) {
816 case LAUNCHBAR:
817 launchtaskbar_constructor_launch(ltbp, TRUE/*build_bootstrap*/);
818 gtk_widget_set_name(p, "launchbar");
819 break;
820 default:
821 ltbp->mode = LAUNCHTASKBAR; /* reset invalid value */
822 case LAUNCHTASKBAR:
823 launchtaskbar_constructor_launch(ltbp, TRUE/*build_bootstrap*/);
824 gtk_widget_set_name(p, "launchtaskbar");
825 case TASKBAR:
826 launchtaskbar_constructor_task(ltbp);
827 if (ltbp->mode == TASKBAR)
828 gtk_widget_set_name(p, "taskbar");
829 }
830
831 return p;
832 }
833
834 static GtkWidget *launchtaskbar_constructor(LXPanel *panel, config_setting_t *settings)
835 {
836 return _launchtaskbar_constructor(panel, settings, LAUNCHTASKBAR);
837 }
838
839 static void launchtaskbar_destructor_launch(LaunchTaskBarPlugin *ltbp)
840 {
841 /* Free the launchbar. */
842 g_slist_foreach(ltbp->buttons, (GFunc) launchbutton_free, NULL);
843
844 /* Free the bootstrap button if it exists. */
845 if(ltbp->bootstrap_button != NULL)
846 {
847 launchbutton_free(ltbp->bootstrap_button);
848 ltbp->bootstrap_button = NULL;
849 }
850 }
851
852 static void launchtaskbar_destructor_task(LaunchTaskBarPlugin *ltbp)
853 {
854 /* Remove GDK event filter. */
855 gdk_window_remove_filter(NULL, (GdkFilterFunc) taskbar_event_filter, ltbp);
856
857 /* Remove root window signal handlers. */
858 g_signal_handlers_disconnect_by_func(fbev, taskbar_net_current_desktop, ltbp);
859 g_signal_handlers_disconnect_by_func(fbev, taskbar_net_active_window, ltbp);
860 g_signal_handlers_disconnect_by_func(fbev, taskbar_net_number_of_desktops, ltbp);
861 g_signal_handlers_disconnect_by_func(fbev, taskbar_net_client_list, ltbp);
862
863 /* Remove "window-manager-changed" handler. */
864 g_signal_handlers_disconnect_by_func(ltbp->screen, taskbar_window_manager_changed, ltbp);
865
866 /* Deallocate task list - widgets are already destroyed there. */
867 while(ltbp->p_task_list != NULL)
868 task_delete(ltbp, ltbp->p_task_list, TRUE, FALSE);
869
870 /* Deallocate class list. */
871 while(ltbp->p_taskclass_list != NULL)
872 {
873 TaskClass * tc = ltbp->p_taskclass_list;
874 ltbp->p_taskclass_list = tc->p_taskclass_flink;
875 g_free(tc->res_class);
876 g_free(tc);
877 }
878
879 /* Deallocate other memory. */
880 gtk_widget_destroy(ltbp->menu);
881 task_group_menu_destroy(ltbp);
882 }
883
884 /* Plugin destructor. */
885 static void launchtaskbar_destructor(gpointer user_data)
886 {
887 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)user_data;
888
889 // TASKBAR
890 if(ltbp->tb_built) launchtaskbar_destructor_task(ltbp);
891
892 // LAUNCHBAR
893 if(ltbp->lb_built) launchtaskbar_destructor_launch(ltbp);
894
895 // LAUNCHTASKBAR
896
897 /* Deallocate all memory. */
898 if (ltbp->p_key_file_special_cases != NULL)
899 g_key_file_free(ltbp->p_key_file_special_cases);
900 g_free(ltbp);
901 }
902
903 static void _launchbar_configure_add(GtkTreeView *menu_view, LaunchTaskBarPlugin *ltbp)
904 {
905 GtkTreeView * defined_view = GTK_TREE_VIEW(g_object_get_data(G_OBJECT(ltbp->config_dlg), "defined_view"));
906 FmPath * sel_path = fm_app_menu_view_dup_selected_app_desktop_path(menu_view);
907 LaunchButton * btn;
908
909 if (sel_path != NULL && (btn = launchbutton_build_gui(ltbp, sel_path)) != NULL)
910 {
911 GtkListStore * list = GTK_LIST_STORE(gtk_tree_view_get_model(defined_view));
912 GtkTreeIter it;
913 GdkPixbuf* pix;
914 char *path;
915 gtk_list_store_append(list, &it);
916 pix = fm_pixbuf_from_icon(fm_file_info_get_icon(btn->fi), PANEL_ICON_SIZE);
917 gtk_list_store_set(list, &it,
918 COL_ICON, pix,
919 COL_TITLE, fm_file_info_get_disp_name(btn->fi),
920 COL_BTN, btn,
921 -1);
922 g_object_unref(pix);
923 path = fm_path_to_str(sel_path);
924 /* g_debug("*** path '%s'",path); */
925 btn->settings = config_group_add_subgroup(ltbp->settings, "Button");
926 config_group_set_string(btn->settings, "id", path);
927 g_free(path);
928 fm_path_unref(sel_path);
929 }
930 }
931
932 /* Handler for "clicked" action on launchtaskbar configuration dialog "Add" button. */
933 static void launchbar_configure_add_button(GtkButton * widget, LaunchTaskBarPlugin *ltbp)
934 {
935 GtkTreeView * menu_view = GTK_TREE_VIEW(g_object_get_data(G_OBJECT(ltbp->config_dlg), "menu_view"));
936
937 _launchbar_configure_add(menu_view, ltbp);
938 }
939
940 static void launchbar_remove_button(LaunchTaskBarPlugin *ltbp, LaunchButton *btn)
941 {
942 ltbp->buttons = g_slist_remove(ltbp->buttons, btn);
943 gtk_widget_destroy(btn->widget);
944 config_setting_destroy(btn->settings);
945 launchbutton_free(btn);
946 /* Put the bootstrap button back if the list becomes empty. */
947 if(ltbp->buttons == NULL)
948 launchbutton_build_bootstrap(ltbp);
949 }
950
951 /* Handler for "clicked" action on launchtaskbar configuration dialog "Remove" button. */
952 static void launchbar_configure_remove_button(GtkButton * widget, LaunchTaskBarPlugin *ltbp)
953 {
954 GtkTreeView * defined_view = GTK_TREE_VIEW(g_object_get_data(G_OBJECT(ltbp->config_dlg), "defined_view"));
955 GtkTreeModel * list;
956 GtkTreeIter it;
957 if (gtk_tree_selection_get_selected(gtk_tree_view_get_selection(defined_view), &list, &it))
958 {
959 LaunchButton * btn;
960 gtk_tree_model_get(list, &it, COL_BTN, &btn, -1);
961
962 /* We have found a selected button.
963 * Remove it from the icon grid, the data structure, and the view. */
964 gtk_list_store_remove(GTK_LIST_STORE(list), &it);
965 gtk_widget_set_visible(ltbp->p_label_def_app_exec, FALSE);
966
967 launchbar_remove_button(ltbp, btn);
968 }
969 }
970
971 /* Handler for "clicked" action on launchtaskbar configuration dialog "Move Up" button. */
972 static void launchbar_configure_move_up_button(GtkButton * widget, LaunchTaskBarPlugin *ltbp)
973 {
974 GtkTreeView * defined_view = GTK_TREE_VIEW(g_object_get_data(G_OBJECT(ltbp->config_dlg), "defined_view"));
975 GtkTreeModel * list;
976 GtkTreeIter it;
977 if (gtk_tree_selection_get_selected(gtk_tree_view_get_selection(defined_view), &list, &it))
978 {
979 LaunchButton *btn;
980 gtk_tree_model_get(GTK_TREE_MODEL(list), &it, COL_BTN, &btn, -1);
981 GtkTreePath * path = gtk_tree_model_get_path(GTK_TREE_MODEL(list), &it);
982 if ((gtk_tree_path_get_indices(path)[0] > 0)
983 && (gtk_tree_path_prev(path)))
984 {
985 GtkTreeIter it2;
986 if (gtk_tree_model_get_iter(list, &it2, path))
987 {
988 /* We have found a selected button that can be moved.
989 * Reorder it in the icon grid, the data structure, and the view. */
990 int i = gtk_tree_path_get_indices(path)[0];
991 ltbp->buttons = g_slist_remove(ltbp->buttons, btn);
992 ltbp->buttons = g_slist_insert(ltbp->buttons, btn, i);
993 gtk_list_store_move_before(GTK_LIST_STORE(list), &it, &it2);
994 panel_icon_grid_reorder_child(PANEL_ICON_GRID(ltbp->lb_icon_grid),
995 btn->widget, i);
996 config_setting_move_elem(btn->settings,
997 config_setting_get_parent(btn->settings),
998 i);
999 }
1000 }
1001 gtk_tree_path_free(path);
1002 }
1003 }
1004
1005 /* Handler for "clicked" action on launchtaskbar configuration dialog "Move Down" button. */
1006 static void launchbar_configure_move_down_button(GtkButton * widget, LaunchTaskBarPlugin *ltbp)
1007 {
1008 GtkTreeView * defined_view = GTK_TREE_VIEW(g_object_get_data(G_OBJECT(ltbp->config_dlg), "defined_view"));
1009 GtkTreeModel * list;
1010 GtkTreeIter it;
1011 if (gtk_tree_selection_get_selected(gtk_tree_view_get_selection(defined_view), &list, &it))
1012 {
1013 LaunchButton *btn;
1014 gtk_tree_model_get(GTK_TREE_MODEL(list), &it, COL_BTN, &btn, -1);
1015 GtkTreePath * path = gtk_tree_model_get_path(GTK_TREE_MODEL(list), &it);
1016 int n = gtk_tree_model_iter_n_children(list, NULL);
1017 if (gtk_tree_path_get_indices(path)[0] < (n - 1))
1018 {
1019 gtk_tree_path_next(path);
1020 GtkTreeIter it2;
1021 if (gtk_tree_model_get_iter( list, &it2, path))
1022 {
1023 /* We have found a selected button that can be moved.
1024 * Reorder it in the icon grid, the data structure, and the view. */
1025 int i = gtk_tree_path_get_indices(path)[0];
1026 ltbp->buttons = g_slist_remove(ltbp->buttons, btn);
1027 ltbp->buttons = g_slist_insert(ltbp->buttons, btn, i + 1);
1028 gtk_list_store_move_after(GTK_LIST_STORE(list), &it, &it2);
1029 panel_icon_grid_reorder_child(PANEL_ICON_GRID(ltbp->lb_icon_grid),
1030 btn->widget, i);
1031 config_setting_move_elem(btn->settings,
1032 config_setting_get_parent(btn->settings),
1033 i);
1034 }
1035 }
1036 gtk_tree_path_free(path);
1037 }
1038 }
1039
1040 /* Initialize the list of existing launchtaskbar buttons when the configuration dialog is shown. */
1041 static void launchbar_configure_initialize_list(LaunchTaskBarPlugin *ltbp, GtkWidget * dlg, GtkTreeView * view)
1042 {
1043 /* Set the selection mode. */
1044 gtk_tree_selection_set_mode(gtk_tree_view_get_selection(view), GTK_SELECTION_BROWSE);
1045
1046 /* Define a column. */
1047 GtkTreeViewColumn* col = gtk_tree_view_get_column(view, 0);
1048
1049 /* Establish the pixbuf column cell renderer. */
1050 GtkCellRenderer * render = gtk_cell_renderer_pixbuf_new();
1051 gtk_tree_view_column_pack_start(col, render, FALSE);
1052 gtk_tree_view_column_set_attributes(col, render, "pixbuf", COL_ICON, NULL);
1053
1054 /* Establish the text column cell renderer. */
1055 render = gtk_cell_renderer_text_new();
1056 gtk_tree_view_column_pack_start(col, render, TRUE);
1057 gtk_tree_view_column_add_attribute(col, render, "text", COL_TITLE);
1058
1059 /* Establish the column data types. */
1060 GtkListStore* list = GTK_LIST_STORE(gtk_tree_view_get_model(view));
1061
1062 /* Initialize from defined launchtaskbar buttons. */
1063 GSList* l;
1064 for (l = ltbp->buttons; l != NULL; l = l->next)
1065 {
1066 LaunchButton * btn = (LaunchButton *) l->data;
1067 GdkPixbuf * pix;
1068 GtkTreeIter it;
1069 gtk_list_store_append(list, &it);
1070 pix = fm_pixbuf_from_icon(fm_file_info_get_icon(btn->fi), PANEL_ICON_SIZE);
1071 gtk_list_store_set(list, &it,
1072 COL_ICON, pix,
1073 COL_TITLE, fm_file_info_get_disp_name(btn->fi),
1074 COL_BTN, btn,
1075 -1);
1076 g_object_unref(pix);
1077 }
1078 g_object_set_data(G_OBJECT(dlg), "defined_view", view);
1079 }
1080
1081 static void plugin_set_expand_status(LaunchTaskBarPlugin *ltbp, gboolean expand_new)
1082 {
1083 gboolean old_expand, fill;
1084 guint padding;
1085 GtkPackType pack_type;
1086 GtkWidget *box = gtk_widget_get_parent(ltbp->plugin);
1087 g_return_if_fail(box);
1088 gtk_box_query_child_packing(GTK_BOX(box), ltbp->plugin, &old_expand, &fill, &padding, &pack_type);
1089 gtk_box_set_child_packing(GTK_BOX(box), ltbp->plugin, expand_new, fill, padding, pack_type);
1090 }
1091
1092 static void set_config_visibility(LaunchTaskBarPlugin *ltbp)
1093 {
1094 switch (ltbp->mode) {
1095 default:
1096 case LAUNCHTASKBAR:
1097 gtk_widget_set_visible(ltbp->p_notebook_page_launch, TRUE);
1098 gtk_widget_set_visible(ltbp->p_notebook_page_task, TRUE);
1099 gtk_notebook_set_show_tabs(ltbp->p_notebook, TRUE);
1100 break;
1101 case TASKBAR:
1102 gtk_widget_set_visible(ltbp->p_notebook_page_launch, FALSE);
1103 gtk_widget_set_visible(ltbp->p_notebook_page_task, TRUE);
1104 gtk_notebook_set_show_tabs(ltbp->p_notebook, FALSE);
1105 break;
1106 case LAUNCHBAR:
1107 gtk_widget_set_visible(ltbp->p_notebook_page_launch, TRUE);
1108 gtk_widget_set_visible(ltbp->p_notebook_page_task, FALSE);
1109 gtk_notebook_set_show_tabs(ltbp->p_notebook, FALSE);
1110 }
1111 }
1112
1113 static void on_combobox_mode_changed(GtkComboBox *p_combobox, gpointer p_data)
1114 {
1115 LaunchTaskBarPlugin *ltbp = p_data;
1116 int new_mode = gtk_combo_box_get_active(GTK_COMBO_BOX(p_combobox));
1117
1118 if (new_mode < 0 || new_mode == ltbp->mode) /* no change was made */
1119 return;
1120
1121 ltbp->mode = new_mode;
1122
1123 set_config_visibility(ltbp);
1124
1125 switch (ltbp->mode) {
1126 case LAUNCHBAR:
1127 if (ltbp->tb_icon_grid)
1128 gtk_widget_set_visible(ltbp->tb_icon_grid, FALSE);
1129 launchtaskbar_constructor_launch(ltbp, TRUE/*build_bootstrap*/);
1130 plugin_set_expand_status(ltbp, FALSE);
1131 gtk_widget_set_name(ltbp->plugin, "launchbar");
1132 break;
1133 case TASKBAR:
1134 gtk_widget_set_visible(ltbp->lb_icon_grid, FALSE);
1135 launchtaskbar_constructor_task(ltbp);
1136 plugin_set_expand_status(ltbp, TRUE);
1137 gtk_widget_set_name(ltbp->plugin, "taskbar");
1138 break;
1139 default:
1140 ltbp->mode = LAUNCHTASKBAR;
1141 case LAUNCHTASKBAR:
1142 launchtaskbar_constructor_launch(ltbp, TRUE/*build_bootstrap*/);
1143 launchtaskbar_constructor_task(ltbp);
1144 plugin_set_expand_status(ltbp, TRUE);
1145 gtk_widget_set_name(ltbp->plugin, "launchtaskbar");
1146 break;
1147 }
1148
1149 config_group_set_int(ltbp->settings, "LaunchTaskBarMode", ltbp->mode);
1150 }
1151
1152 static void on_checkbutton_show_tooltips_toggled(GtkToggleButton *p_togglebutton, gpointer p_data)
1153 {
1154 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1155 ltbp->tooltips = gtk_toggle_button_get_active(p_togglebutton);
1156 //g_print("\nltbp->tooltips upd\n");
1157 config_group_set_int(ltbp->settings, "tooltips", ltbp->tooltips);
1158 taskbar_apply_configuration(ltbp);
1159 }
1160
1161 static void on_checkbutton_icons_only_toggled(GtkToggleButton *p_togglebutton, gpointer p_data)
1162 {
1163 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1164 ltbp->icons_only = gtk_toggle_button_get_active(p_togglebutton);
1165 //g_print("\ntb->icons_only upd\n");
1166 config_group_set_int(ltbp->settings, "IconsOnly", ltbp->icons_only);
1167 taskbar_apply_configuration(ltbp);
1168 }
1169
1170 static void on_checkbutton_flat_buttons_toggled(GtkToggleButton *p_togglebutton, gpointer p_data)
1171 {
1172 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1173 ltbp->flat_button = gtk_toggle_button_get_active(p_togglebutton);
1174 //g_print("\ntb->flat_button upd\n");
1175 config_group_set_int(ltbp->settings, "FlatButton", ltbp->flat_button);
1176 taskbar_apply_configuration(ltbp);
1177 }
1178
1179 static void on_checkbutton_show_all_desks_toggled(GtkToggleButton *p_togglebutton, gpointer p_data)
1180 {
1181 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1182 ltbp->show_all_desks = gtk_toggle_button_get_active(p_togglebutton);
1183 //g_print("\ntb->show_all_desks upd\n");
1184 config_group_set_int(ltbp->settings, "ShowAllDesks", ltbp->show_all_desks);
1185 taskbar_apply_configuration(ltbp);
1186 }
1187
1188 static void on_checkbutton_same_monitor_only_toggled(GtkToggleButton *p_togglebutton, gpointer p_data)
1189 {
1190 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1191 ltbp->same_monitor_only = gtk_toggle_button_get_active(p_togglebutton);
1192 //g_print("\ntb->same_monitor_only upd\n");
1193 config_group_set_int(ltbp->settings, "SameMonitorOnly", ltbp->same_monitor_only);
1194 taskbar_apply_configuration(ltbp);
1195 }
1196
1197 static void on_checkbutton_disable_taskbar_upscale_toggled(GtkToggleButton *p_togglebutton, gpointer p_data)
1198 {
1199 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1200 ltbp->disable_taskbar_upscale = gtk_toggle_button_get_active(p_togglebutton);
1201 //g_print("\ntb->disable_taskbar_upscale upd\n");
1202 config_group_set_int(ltbp->settings, "DisableUpscale", ltbp->disable_taskbar_upscale);
1203 taskbar_apply_configuration(ltbp);
1204 }
1205
1206 static void on_checkbutton_mouse_wheel_toggled(GtkToggleButton *p_togglebutton, gpointer p_data)
1207 {
1208 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1209 ltbp->use_mouse_wheel = gtk_toggle_button_get_active(p_togglebutton);
1210 //g_print("\ntb->use_mouse_wheel upd\n");
1211 config_group_set_int(ltbp->settings, "UseMouseWheel", ltbp->use_mouse_wheel);
1212 taskbar_apply_configuration(ltbp);
1213 }
1214
1215 static void on_checkbutton_urgency_hint_toggled(GtkToggleButton *p_togglebutton, gpointer p_data)
1216 {
1217 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1218 ltbp->use_urgency_hint = gtk_toggle_button_get_active(p_togglebutton);
1219 //g_print("\ntb->use_urgency_hint upd\n");
1220 config_group_set_int(ltbp->settings, "UseUrgencyHint", ltbp->use_urgency_hint);
1221 taskbar_apply_configuration(ltbp);
1222 }
1223
1224 static void on_checkbutton_grouped_tasks_toggled(GtkToggleButton *p_togglebutton, gpointer p_data)
1225 {
1226 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1227 ltbp->grouped_tasks = gtk_toggle_button_get_active(p_togglebutton);
1228 //g_print("\ntb->grouped_tasks upd\n");
1229 config_group_set_int(ltbp->settings, "GroupedTasks", ltbp->grouped_tasks);
1230 taskbar_apply_configuration(ltbp);
1231 }
1232
1233 static void on_spinbutton_max_width_value_changed(GtkSpinButton *p_spinbutton, gpointer p_data)
1234 {
1235 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1236 ltbp->task_width_max = gtk_spin_button_get_value(p_spinbutton);
1237 //g_print("\ntb->task_width_max upd\n");
1238 config_group_set_int(ltbp->settings, "MaxTaskWidth", ltbp->task_width_max);
1239 taskbar_apply_configuration(ltbp);
1240 }
1241
1242 static void on_spinbutton_spacing_value_changed(GtkSpinButton *p_spinbutton, gpointer p_data)
1243 {
1244 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1245 ltbp->spacing = gtk_spin_button_get_value(p_spinbutton);
1246 //g_print("\ntb->spacing upd\n");
1247 config_group_set_int(ltbp->settings, "spacing", ltbp->spacing);
1248 taskbar_apply_configuration(ltbp);
1249 }
1250
1251 static gboolean on_defined_view_button_press_event(GtkWidget *p_widget, GdkEventButton *p_event, gpointer p_data)
1252 {
1253 LaunchTaskBarPlugin *lb = (LaunchTaskBarPlugin *)p_data;
1254 if(p_event->button == 1)
1255 {
1256 if(p_event->type == GDK_2BUTTON_PRESS)
1257 {
1258 gtk_button_clicked(GTK_BUTTON(lb->p_button_remove));
1259 }
1260 }
1261 return FALSE;
1262 }
1263
1264 static void on_defined_view_cursor_changed(GtkTreeView *p_treeview, gpointer p_data)
1265 {
1266 gboolean label_set = FALSE;
1267 LaunchTaskBarPlugin *lb = (LaunchTaskBarPlugin *)p_data;
1268 GtkTreeIter tree_iter_sel;
1269 GtkTreeModel* p_treemodel = gtk_tree_view_get_model(p_treeview);
1270 GtkTreeSelection *p_treeselection = gtk_tree_view_get_selection(p_treeview);
1271 if(gtk_tree_selection_get_selected(p_treeselection,
1272 (GtkTreeModel **)(&p_treemodel),
1273 &tree_iter_sel))
1274 {
1275 LaunchButton * p_btn;
1276 gtk_tree_model_get(p_treemodel, &tree_iter_sel, COL_BTN, &p_btn, -1);
1277 if( (p_btn != NULL) && (p_btn->fi != NULL) )
1278 {
1279 GString *p_gstring = g_string_new("");
1280 g_string_printf(p_gstring, "<i>%s</i>", fm_file_info_get_disp_name(p_btn->fi));
1281 gtk_label_set_markup(GTK_LABEL(lb->p_label_def_app_exec), p_gstring->str);
1282 g_string_free(p_gstring, TRUE/*free also gstring->str*/);
1283 label_set = TRUE;
1284 }
1285 }
1286 gtk_widget_set_visible(lb->p_label_def_app_exec, label_set);
1287 gtk_widget_set_sensitive(lb->p_button_remove, label_set);
1288 }
1289
1290 static void on_menu_view_cursor_changed(GtkTreeView *p_treeview, gpointer p_data)
1291 {
1292 gboolean label_set = FALSE;
1293 LaunchTaskBarPlugin *lb = (LaunchTaskBarPlugin *)p_data;
1294 GAppInfo *app = fm_app_menu_view_dup_selected_app(p_treeview);
1295
1296 if (app)
1297 {
1298 GString *p_gstring = g_string_new("");
1299 if (g_app_info_get_description(app))
1300 g_string_printf(p_gstring, "<i>%s</i>", g_app_info_get_description(app));
1301 else
1302 g_string_printf(p_gstring, "<i>%s</i>", g_app_info_get_name(app));
1303 gtk_label_set_markup(GTK_LABEL(lb->p_label_menu_app_exec), p_gstring->str);
1304 g_string_free(p_gstring, TRUE/*free also gstring->str*/);
1305 label_set = TRUE;
1306 }
1307 gtk_widget_set_visible(lb->p_label_menu_app_exec, label_set);
1308 gtk_widget_set_sensitive(lb->p_button_add, label_set);
1309 }
1310
1311 static void on_menu_view_row_activated(GtkTreeView *tree_view, GtkTreePath *path,
1312 GtkTreeViewColumn *column,
1313 LaunchTaskBarPlugin *ltbp)
1314 {
1315 _launchbar_configure_add(tree_view, ltbp);
1316 }
1317
1318 /* FIXME: add support for global hotkeys for launchers */
1319
1320 /* Callback when the configuration dialog is to be shown. */
1321 static GtkWidget *launchtaskbar_configure(LXPanel *panel, GtkWidget *p)
1322 {
1323 LaunchTaskBarPlugin *ltbp = lxpanel_plugin_get_data(p);
1324
1325 {
1326 GtkWidget *dlg, *btn, *defined_view, *menu_view, *menu_view_window;
1327 GtkBuilder *builder = gtk_builder_new();
1328 GObject *object;
1329
1330 gtk_builder_add_from_file(builder, PACKAGE_UI_DIR "/launchtaskbar.ui", NULL);
1331 dlg = (GtkWidget *)gtk_builder_get_object(builder, "dlg");
1332 panel_apply_icon(GTK_WINDOW(dlg));
1333
1334 defined_view = (GtkWidget *)gtk_builder_get_object(builder, "defined_view");
1335 menu_view_window = (GtkWidget*)gtk_builder_get_object(builder, "menu_view_window");
1336 if (menu_view_window == NULL) /* fallback for old glade file */
1337 {
1338 menu_view_window = (GtkWidget*)gtk_builder_get_object(builder, "scroll2");
1339 gtk_widget_destroy(gtk_bin_get_child(GTK_BIN(menu_view_window)));
1340 }
1341 menu_view = GTK_WIDGET(fm_app_menu_view_new());
1342 gtk_container_add(GTK_CONTAINER(menu_view_window), menu_view);
1343 gtk_widget_show(menu_view);
1344 ltbp->p_label_def_app_exec = (GtkWidget*)gtk_builder_get_object(builder, "label_def_app_exec");
1345 ltbp->p_label_menu_app_exec = (GtkWidget*)gtk_builder_get_object(builder, "label_menu_app_exec");
1346
1347 /* Connect signals. */
1348 ltbp->p_button_add = (GtkWidget *)gtk_builder_get_object(builder, "button_add");
1349 g_signal_connect(ltbp->p_button_add, "clicked", G_CALLBACK(launchbar_configure_add_button), ltbp);
1350
1351 ltbp->p_button_remove = (GtkWidget *)gtk_builder_get_object(builder, "button_remove");
1352 g_signal_connect(ltbp->p_button_remove, "clicked", G_CALLBACK(launchbar_configure_remove_button), ltbp);
1353
1354 btn = (GtkWidget *)gtk_builder_get_object(builder, "button_up");
1355 g_signal_connect(btn, "clicked", G_CALLBACK(launchbar_configure_move_up_button), ltbp);
1356
1357 btn = (GtkWidget *)gtk_builder_get_object(builder, "button_down");
1358 g_signal_connect(btn, "clicked", G_CALLBACK(launchbar_configure_move_down_button), ltbp);
1359
1360 /* FIXME: add a button 'New' with launcher creation dialog */
1361
1362 g_signal_connect(defined_view, "button-press-event", G_CALLBACK(on_defined_view_button_press_event), ltbp);
1363 g_signal_connect(defined_view, "cursor-changed", G_CALLBACK(on_defined_view_cursor_changed), ltbp);
1364 g_signal_connect(menu_view, "cursor-changed", G_CALLBACK(on_menu_view_cursor_changed), ltbp);
1365 g_signal_connect(menu_view, "row-activated", G_CALLBACK(on_menu_view_row_activated), ltbp);
1366
1367 ltbp->p_notebook = GTK_NOTEBOOK(gtk_builder_get_object(builder, "notebook"));
1368 ltbp->p_notebook_page_launch = gtk_notebook_get_nth_page(ltbp->p_notebook, 0);
1369 ltbp->p_notebook_page_task = gtk_notebook_get_nth_page(ltbp->p_notebook, 1);
1370 set_config_visibility(ltbp);
1371 object = gtk_builder_get_object(builder, "combobox_mode");
1372 gtk_combo_box_set_active(GTK_COMBO_BOX(object), ltbp->mode);
1373 g_signal_connect(object, "changed",
1374 G_CALLBACK(on_combobox_mode_changed), ltbp);
1375
1376 #define SETUP_TOGGLE_BUTTON(button,member) \
1377 object = gtk_builder_get_object(builder, #button); \
1378 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(object), ltbp->member); \
1379 g_signal_connect(object, "toggled", G_CALLBACK(on_##button##_toggled), ltbp)
1380
1381 SETUP_TOGGLE_BUTTON(checkbutton_show_tooltips, tooltips);
1382 SETUP_TOGGLE_BUTTON(checkbutton_icons_only, icons_only);
1383 SETUP_TOGGLE_BUTTON(checkbutton_flat_buttons, flat_button);
1384 SETUP_TOGGLE_BUTTON(checkbutton_show_all_desks, show_all_desks);
1385 SETUP_TOGGLE_BUTTON(checkbutton_same_monitor_only, same_monitor_only);
1386 SETUP_TOGGLE_BUTTON(checkbutton_mouse_wheel, use_mouse_wheel);
1387 SETUP_TOGGLE_BUTTON(checkbutton_urgency_hint, use_urgency_hint);
1388 SETUP_TOGGLE_BUTTON(checkbutton_grouped_tasks, grouped_tasks);
1389 //SETUP_TOGGLE_BUTTON(checkbutton_disable_taskbar_upscale, disable_taskbar_upscale);
1390 #undef SETUP_TOGGLE_BUTTON
1391 /* FIXME: for transitional period, turn into SETUP_TOGGLE_BUTTON later */
1392 object = gtk_builder_get_object(builder, "checkbutton_disable_taskbar_upscale");
1393 if (object)
1394 {
1395 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(object), ltbp->disable_taskbar_upscale); \
1396 g_signal_connect(object, "toggled", G_CALLBACK(on_checkbutton_disable_taskbar_upscale_toggled), ltbp);
1397 }
1398
1399 #define SETUP_SPIN_BUTTON(button,member) \
1400 object = gtk_builder_get_object(builder, #button); \
1401 gtk_spin_button_set_value(GTK_SPIN_BUTTON(object), ltbp->member); \
1402 g_signal_connect(object, "value-changed", \
1403 G_CALLBACK(on_##button##_value_changed), ltbp)
1404
1405 SETUP_SPIN_BUTTON(spinbutton_max_width, task_width_max);
1406 SETUP_SPIN_BUTTON(spinbutton_spacing, spacing);
1407 #undef SETUP_SPIN_BUTTON
1408
1409 ltbp->config_dlg = dlg;
1410
1411 /* Initialize the tree view contents. */
1412 launchbar_configure_initialize_list(ltbp, dlg, GTK_TREE_VIEW(defined_view));
1413 g_object_set_data(G_OBJECT(dlg), "menu_view", menu_view);
1414
1415 gtk_widget_set_visible(ltbp->p_label_menu_app_exec, FALSE);
1416 gtk_widget_set_visible(ltbp->p_label_def_app_exec, FALSE);
1417 gtk_widget_set_sensitive(ltbp->p_button_add, FALSE);
1418 gtk_widget_set_sensitive(ltbp->p_button_remove, FALSE);
1419 if (ltbp->fixed_mode)
1420 {
1421 object = gtk_builder_get_object(builder, "hbox_mode");
1422 if (object)
1423 gtk_widget_destroy(GTK_WIDGET(object));
1424 if (ltbp->mode == LAUNCHBAR)
1425 gtk_window_set_title(GTK_WINDOW(ltbp->config_dlg),
1426 _("Application Launch Bar"));
1427 else
1428 gtk_window_set_title(GTK_WINDOW(ltbp->config_dlg),
1429 _("Task Bar (Window List)"));
1430 }
1431
1432 g_object_unref(builder);
1433 }
1434 return ltbp->config_dlg;
1435 }
1436
1437 /* Callback when panel configuration changes. */
1438 static void launchtaskbar_panel_configuration_changed(LXPanel *panel, GtkWidget *p)
1439 {
1440 /* Set orientation into the icon grid. */
1441 LaunchTaskBarPlugin *ltbp = lxpanel_plugin_get_data(p);
1442 int new_icon_size = panel_get_icon_size(panel);
1443
1444 if (ltbp->lb_built)
1445 panel_icon_grid_set_geometry(PANEL_ICON_GRID(ltbp->lb_icon_grid),
1446 panel_get_orientation(panel),
1447 new_icon_size, new_icon_size, 3, 0,
1448 panel_get_height(panel));
1449
1450 /* If the icon size changed, refetch all the icons. */
1451 if (new_icon_size != ltbp->icon_size)
1452 {
1453 Task * tk;
1454 ltbp->icon_size = new_icon_size;
1455 for (tk = ltbp->p_task_list; tk != NULL; tk = tk->p_task_flink_xwid)
1456 {
1457 GdkPixbuf * pixbuf = task_update_icon(ltbp, tk, None);
1458 if (pixbuf != NULL)
1459 {
1460 gtk_image_set_from_pixbuf(GTK_IMAGE(tk->image), pixbuf);
1461 g_object_unref(pixbuf);
1462 }
1463 }
1464 }
1465
1466 /* Redraw all the labels. Icon size or font color may have changed. */
1467 if (ltbp->tb_built)
1468 {
1469 taskbar_update_style(ltbp);
1470 taskbar_make_menu(ltbp);
1471 taskbar_redraw(ltbp);
1472 }
1473 }
1474
1475 /* Set an urgency timer on a task. */
1476 static void set_timer_on_task(Task * tk)
1477 {
1478 gint interval;
1479 g_return_if_fail(tk->flash_timeout == 0);
1480 g_object_get(gtk_widget_get_settings(tk->button), "gtk-cursor-blink-time", &interval, NULL);
1481 tk->flash_timeout = g_timeout_add(interval / 2, flash_window_timeout, tk);
1482 }
1483
1484 /* Determine if a task is visible considering only its desktop placement. */
1485 static gboolean task_is_visible_on_current_desktop(LaunchTaskBarPlugin * tb, Task * tk)
1486 {
1487 return ((tk->desktop == ALL_WORKSPACES) || (tk->desktop == tb->current_desktop) || (tb->show_all_desks));
1488 }
1489
1490 /* Recompute the visible task for a class when the class membership changes.
1491 * Also transfer the urgency state to the visible task if necessary. */
1492 static void recompute_group_visibility_for_class(LaunchTaskBarPlugin * tb, TaskClass * tc)
1493 {
1494 tc->visible_count = 0;
1495 tc->p_task_visible = NULL;
1496 tc->visible_name = NULL;
1497 Task * flashing_task = NULL;
1498 gboolean class_has_urgency = FALSE;
1499 Task * tk;
1500 for (tk = tc->p_task_head; tk != NULL; tk = tk->p_task_flink_same_class)
1501 {
1502 if (task_is_visible_on_current_desktop(tb, tk))
1503 {
1504 /* Count visible tasks and make the first visible task the one that is used for display. */
1505 if (tc->visible_count == 0)
1506 tc->p_task_visible = tk;
1507 tc->visible_count += 1;
1508
1509 /* Compute summary bit for urgency anywhere in the class. */
1510 if (tk->urgency && !tk->focused)
1511 class_has_urgency = TRUE;
1512
1513 /* If there is urgency, record the currently flashing task. */
1514 if (tk->flash_timeout != 0)
1515 flashing_task = tk;
1516
1517 /* Compute the visible name. If all visible windows have the same title, use that.
1518 * Otherwise, use the class name. This follows WNCK.
1519 * Note that the visible name is not a separate string, but is set to point to one of the others. */
1520 if (tc->visible_name == NULL)
1521 tc->visible_name = tk->name;
1522 else if ((tc->visible_name != tc->res_class)
1523 && (tc->visible_name != NULL) && (tk->name != NULL)
1524 && (strcmp(tc->visible_name, tk->name) != 0))
1525 tc->visible_name = tc->res_class;
1526 }
1527 }
1528
1529 /* Transfer the flash timeout to the visible task. */
1530 if (class_has_urgency)
1531 {
1532 if (flashing_task == NULL)
1533 {
1534 /* Set the flashing context and flash the window immediately. */
1535 tc->p_task_visible->flash_state = TRUE;
1536 flash_window_update(tc->p_task_visible);
1537
1538 /* Set the timer, since none is set. */
1539 set_timer_on_task(tc->p_task_visible);
1540 }
1541 else if (flashing_task != tc->p_task_visible)
1542 {
1543 /* Reset the timer on the new representative.
1544 * There will be a slight hiccup on the flash cadence. */
1545 g_source_remove(flashing_task->flash_timeout);
1546 flashing_task->flash_timeout = 0;
1547 tc->p_task_visible->flash_state = flashing_task->flash_state;
1548 flashing_task->flash_state = FALSE;
1549 if (tc->p_task_visible->menu_item != NULL)
1550 g_object_unref(tc->p_task_visible->menu_item);
1551 tc->p_task_visible->menu_item = flashing_task->menu_item;
1552 flashing_task->menu_item = NULL;
1553 set_timer_on_task(tc->p_task_visible);
1554 }
1555 }
1556 else
1557 {
1558 /* No task has urgency. Cancel the timer if one is set. */
1559 if (flashing_task != NULL)
1560 {
1561 g_source_remove(flashing_task->flash_timeout);
1562 flashing_task->flash_state = FALSE;
1563 flashing_task->flash_timeout = 0;
1564 }
1565 }
1566 }
1567
1568 /* Recompute the visible task for all classes when the desktop changes. */
1569 static void recompute_group_visibility_on_current_desktop(LaunchTaskBarPlugin * tb)
1570 {
1571 TaskClass * tc;
1572 for (tc = tb->p_taskclass_list; tc != NULL; tc = tc->p_taskclass_flink)
1573 {
1574 recompute_group_visibility_for_class(tb, tc);
1575 }
1576 }
1577
1578 /* Draw the label and tooltip on a taskbar button. */
1579 static void task_draw_label(Task * tk)
1580 {
1581 TaskClass * tc = tk->p_taskclass;
1582 gboolean bold_style = (((tk->entered_state) || (tk->flash_state)) && (tk->tb->flat_button));
1583 char *label;
1584
1585 if ((tk->tb->grouped_tasks) && (tc != NULL) && (tc->p_task_visible == tk) && (tc->visible_count > 1))
1586 {
1587 label = g_strdup_printf("(%d) %s", tc->visible_count, tc->visible_name);
1588 }
1589 else
1590 {
1591 label = g_strdup(tk->iconified ? tk->name_iconified : tk->name);
1592 }
1593
1594 if (tk->tb->tooltips)
1595 gtk_widget_set_tooltip_text(tk->button, label);
1596
1597 lxpanel_draw_label_text(tk->tb->panel, tk->label, label, bold_style, 1,
1598 tk->tb->flat_button);
1599
1600 g_free(label);
1601 }
1602
1603 /* Determine if a task is visible. */
1604 static gboolean task_is_visible(LaunchTaskBarPlugin * tb, Task * tk)
1605 {
1606 /* Not visible due to grouping. */
1607 if ((tb->grouped_tasks) && (tk->p_taskclass != NULL) && (tk->p_taskclass->p_task_visible != tk))
1608 return FALSE;
1609
1610 /* Not on same monitor */
1611 if (tb->same_monitor_only && panel_get_monitor(tb->panel) != tk->monitor
1612 && panel_get_monitor(tb->panel) >= 0)
1613 return FALSE;
1614
1615 /* Desktop placement. */
1616 return task_is_visible_on_current_desktop(tb, tk);
1617 }
1618
1619 /* Redraw a task button. */
1620 static void task_button_redraw(Task * tk, LaunchTaskBarPlugin * tb)
1621 {
1622 if (task_is_visible(tb, tk))
1623 {
1624 task_draw_label(tk);
1625 gtk_widget_set_visible(tk->button, TRUE);
1626 }
1627 else
1628 gtk_widget_set_visible(tk->button, FALSE);
1629 }
1630
1631 /* Redraw all tasks in the taskbar. */
1632 static void taskbar_redraw(LaunchTaskBarPlugin * tb)
1633 {
1634 Task * tk;
1635 for (tk = tb->p_task_list; tk != NULL; tk = tk->p_task_flink_xwid)
1636 task_button_redraw(tk, tb);
1637 }
1638
1639 /* Determine if a task should be visible given its NET_WM_STATE. */
1640 static gboolean accept_net_wm_state(NetWMState * nws)
1641 {
1642 return ( ! (nws->skip_taskbar));
1643 }
1644
1645 /* Determine if a task should be visible given its NET_WM_WINDOW_TYPE. */
1646 static gboolean accept_net_wm_window_type(NetWMWindowType * nwwt)
1647 {
1648 return ( ! ((nwwt->desktop) || (nwwt->dock) || (nwwt->splash)));
1649 }
1650
1651 /* Free the names associated with a task. */
1652 static void task_free_names(Task * tk)
1653 {
1654 TaskClass * tc = tk->p_taskclass;
1655
1656 if (tc != NULL && tk->name != NULL)
1657 /* Reset the name from class */
1658 if (tc->visible_name == tk->name)
1659 tc->visible_name = tc->res_class;
1660 g_free(tk->name);
1661 g_free(tk->name_iconified);
1662 tk->name = tk->name_iconified = NULL;
1663 }
1664
1665 /* Set the names associated with a task.
1666 * This is expected to be the same as the title the window manager is displaying. */
1667 static void task_set_names(Task * tk, Atom source)
1668 {
1669 char * name = NULL;
1670
1671 /* Try _NET_WM_VISIBLE_NAME, which supports UTF-8.
1672 * If it is set, the window manager is displaying it as the window title. */
1673 if ((source == None) || (source == a_NET_WM_VISIBLE_NAME))
1674 {
1675 name = get_utf8_property(tk->win, a_NET_WM_VISIBLE_NAME);
1676 if (name != NULL)
1677 tk->name_source = a_NET_WM_VISIBLE_NAME;
1678 }
1679
1680 /* Try _NET_WM_NAME, which supports UTF-8, but do not overwrite _NET_WM_VISIBLE_NAME. */
1681 if ((name == NULL)
1682 && ((source == None) || (source == a_NET_WM_NAME))
1683 && ((tk->name_source == None) || (tk->name_source == a_NET_WM_NAME) || (tk->name_source == XA_WM_NAME)))
1684 {
1685 name = get_utf8_property(tk->win, a_NET_WM_NAME);
1686 if (name != NULL)
1687 tk->name_source = a_NET_WM_NAME;
1688 }
1689
1690 /* Try WM_NAME, which supports only ISO-8859-1, but do not overwrite _NET_WM_VISIBLE_NAME or _NET_WM_NAME. */
1691 if ((name == NULL)
1692 && ((source == None) || (source == XA_WM_NAME))
1693 && ((tk->name_source == None) || (tk->name_source == XA_WM_NAME)))
1694 {
1695 name = get_textproperty(tk->win, XA_WM_NAME);
1696 if (name != NULL)
1697 tk->name_source = XA_WM_NAME;
1698 }
1699
1700 /* Set the name into the task context, and also on the tooltip. */
1701 if (name != NULL)
1702 {
1703 task_free_names(tk);
1704 tk->name = name;
1705 tk->name_iconified = g_strdup_printf("[%s]", name);
1706
1707 /* Redraw the button. */
1708 task_button_redraw(tk, tk->tb);
1709 }
1710 }
1711
1712 /* Unlink a task from the class list because its class changed or it was deleted. */
1713 static void task_unlink_class(Task * tk)
1714 {
1715 TaskClass * tc = tk->p_taskclass;
1716 if (tc != NULL)
1717 {
1718 /* Reset the name from class */
1719 if (tc->visible_name == tk->name)
1720 tc->visible_name = tc->res_class;
1721
1722 /* Action in Launchbar after class removed */
1723 launchbar_update_after_taskbar_class_removed(tk->tb, tk);
1724
1725 /* Remove from per-class task list. */
1726 if (tc->p_task_head == tk)
1727 {
1728 /* Removing the head of the list. This causes a new task to be the visible task, so we redraw. */
1729 tc->p_task_head = tk->p_task_flink_same_class;
1730 if (tc->p_task_head != NULL)
1731 task_button_redraw(tc->p_task_head, tk->tb);
1732 }
1733 else
1734 {
1735 /* Locate the task and its predecessor in the list and then remove it. For safety, ensure it is found. */
1736 Task * tk_pred = NULL;
1737 Task * tk_cursor;
1738 for (
1739 tk_cursor = tc->p_task_head;
1740 ((tk_cursor != NULL) && (tk_cursor != tk));
1741 tk_pred = tk_cursor, tk_cursor = tk_cursor->p_task_flink_same_class) ;
1742 if (tk_cursor == tk)
1743 tk_pred->p_task_flink_same_class = tk->p_task_flink_same_class;
1744 }
1745 tk->p_task_flink_same_class = NULL;
1746 tk->p_taskclass = NULL;
1747
1748 /* Recompute group visibility. */
1749 recompute_group_visibility_for_class(tk->tb, tc);
1750 }
1751 }
1752
1753 /* Enter class with specified name. */
1754 static TaskClass * taskbar_enter_res_class(LaunchTaskBarPlugin * tb, char * res_class, gboolean * p_name_consumed)
1755 {
1756 /* Find existing entry or insertion point. */
1757 *p_name_consumed = FALSE;
1758 TaskClass * tc_pred = NULL;
1759 TaskClass * tc;
1760 for (tc = tb->p_taskclass_list; tc != NULL; tc_pred = tc, tc = tc->p_taskclass_flink)
1761 {
1762 int status = strcmp(res_class, tc->res_class);
1763 if (status == 0)
1764 return tc;
1765 if (status < 0)
1766 break;
1767 }
1768
1769 /* Insert new entry. */
1770 tc = g_new0(TaskClass, 1);
1771 tc->res_class = res_class;
1772 *p_name_consumed = TRUE;
1773 if (tc_pred == NULL)
1774 {
1775 tc->p_taskclass_flink = tb->p_taskclass_list;
1776 tb->p_taskclass_list = tc;
1777 }
1778 else
1779 {
1780 tc->p_taskclass_flink = tc_pred->p_taskclass_flink;
1781 tc_pred->p_taskclass_flink = tc;
1782 }
1783 return tc;
1784 }
1785
1786 /* Set the class associated with a task. */
1787 static void task_set_class(Task * tk)
1788 {
1789 /* Read the WM_CLASS property. */
1790 XClassHint ch;
1791 ch.res_name = NULL;
1792 ch.res_class = NULL;
1793 XGetClassHint(GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), tk->win, &ch);
1794
1795 /* If the res_name was returned, free it. We make no use of it at this time. */
1796 if (ch.res_name != NULL)
1797 {
1798 XFree(ch.res_name);
1799 }
1800
1801 /* If the res_class was returned, process it.
1802 * This identifies the application that created the window and is the basis for taskbar grouping. */
1803 if (ch.res_class != NULL)
1804 {
1805 /* Convert the class to UTF-8 and enter it in the class table. */
1806 gchar * res_class = g_locale_to_utf8(ch.res_class, -1, NULL, NULL, NULL);
1807 if (res_class != NULL)
1808 {
1809 gboolean name_consumed;
1810 TaskClass * tc = taskbar_enter_res_class(tk->tb, res_class, &name_consumed);
1811 if ( ! name_consumed) g_free(res_class);
1812
1813 /* If the task changed class, update data structures. */
1814 TaskClass * old_tc = tk->p_taskclass;
1815 if (old_tc != tc)
1816 {
1817 /* Unlink from previous class, if any. */
1818 task_unlink_class(tk);
1819
1820 /* Add to end of per-class task list. Do this to keep the popup menu in order of creation. */
1821 if (tc->p_task_head == NULL)
1822 tc->p_task_head = tk;
1823 else
1824 {
1825 Task * tk_pred;
1826 for (tk_pred = tc->p_task_head; tk_pred->p_task_flink_same_class != NULL; tk_pred = tk_pred->p_task_flink_same_class) ;
1827 tk_pred->p_task_flink_same_class = tk;
1828 task_button_redraw(tk, tk->tb);
1829 }
1830 tk->p_taskclass = tc;
1831
1832 /* Recompute group visibility. */
1833 recompute_group_visibility_for_class(tk->tb, tc);
1834
1835 /* Action in Launchbar after class added */
1836 launchbar_update_after_taskbar_class_added(tk->tb, tk);
1837 }
1838 }
1839 XFree(ch.res_class);
1840 }
1841 }
1842
1843 /* Look up a task in the task list. */
1844 static Task * task_lookup(LaunchTaskBarPlugin * tb, Window win)
1845 {
1846 Task * tk;
1847 for (tk = tb->p_task_list; tk != NULL; tk = tk->p_task_flink_xwid)
1848 {
1849 if (tk->win == win)
1850 return tk;
1851 if (tk->win > win)
1852 break;
1853 }
1854 return NULL;
1855 }
1856
1857 /* Delete a task and optionally unlink it from the task list. */
1858 static void task_delete(LaunchTaskBarPlugin * tb, Task * tk, gboolean unlink, gboolean remove)
1859 {
1860 /* If we think this task had focus, remove that. */
1861 if (tb->focused == tk)
1862 tb->focused = NULL;
1863
1864 /* If there is an urgency timeout, remove it. */
1865 if (tk->flash_timeout != 0) {
1866 g_source_remove(tk->flash_timeout);
1867 tk->flash_timeout = 0;
1868 }
1869
1870 if (tk->menu_item)
1871 {
1872 g_object_unref(tk->menu_item);
1873 tk->menu_item = NULL;
1874 }
1875
1876 /* Deallocate structures. */
1877 if (remove)
1878 {
1879 gtk_widget_destroy(tk->button);
1880 task_unlink_class(tk);
1881 }
1882 task_free_names(tk);
1883 g_free(tk->exec_bin);
1884
1885 /* If requested, unlink the task from the task list.
1886 * If not requested, the caller will do this. */
1887 if (unlink)
1888 {
1889 if (tb->p_task_list == tk)
1890 tb->p_task_list = tk->p_task_flink_xwid;
1891 else
1892 {
1893 /* Locate the task and its predecessor in the list and then remove it. For safety, ensure it is found. */
1894 Task * tk_pred = NULL;
1895 Task * tk_cursor;
1896 for (
1897 tk_cursor = tb->p_task_list;
1898 ((tk_cursor != NULL) && (tk_cursor != tk));
1899 tk_pred = tk_cursor, tk_cursor = tk_cursor->p_task_flink_xwid) ;
1900 if (tk_cursor == tk)
1901 tk_pred->p_task_flink_xwid = tk->p_task_flink_xwid;
1902 }
1903 }
1904
1905 /* Deallocate the task structure. */
1906 g_free(tk);
1907 }
1908
1909 /* Get a pixbuf from a pixmap.
1910 * Originally from libwnck, Copyright (C) 2001 Havoc Pennington. */
1911 static GdkPixbuf * _wnck_gdk_pixbuf_get_from_pixmap(Pixmap xpixmap, int width, int height)
1912 {
1913 /* Get the drawable. */
1914 #if GTK_CHECK_VERSION(2, 24, 0)
1915 GdkDrawable * drawable = gdk_x11_window_lookup_for_display(gdk_display_get_default(), xpixmap);
1916 #else
1917 GdkDrawable * drawable = gdk_xid_table_lookup(xpixmap);
1918 #endif
1919 if (drawable != NULL)
1920 g_object_ref(G_OBJECT(drawable));
1921 else
1922 drawable = gdk_pixmap_foreign_new(xpixmap);
1923
1924 GdkColormap * colormap = NULL;
1925 GdkPixbuf * retval = NULL;
1926 if (drawable != NULL)
1927 {
1928 /* Get the colormap.
1929 * If the drawable has no colormap, use no colormap or the system colormap as recommended in the documentation of gdk_drawable_get_colormap. */
1930 colormap = gdk_drawable_get_colormap(drawable);
1931 gint depth = gdk_drawable_get_depth(drawable);
1932 if (colormap != NULL)
1933 g_object_ref(G_OBJECT(colormap));
1934 else if (depth == 1)
1935 colormap = NULL;
1936 else
1937 {
1938 colormap = gdk_screen_get_system_colormap(gdk_window_get_screen(drawable));
1939 g_object_ref(G_OBJECT(colormap));
1940 }
1941
1942 /* Be sure we aren't going to fail due to visual mismatch. */
1943 if ((colormap != NULL) && (gdk_visual_get_depth(gdk_colormap_get_visual(colormap)) != depth))
1944 {
1945 g_object_unref(G_OBJECT(colormap));
1946 colormap = NULL;
1947 }
1948
1949 /* Do the major work. */
1950 retval = gdk_pixbuf_get_from_drawable(NULL, drawable, colormap, 0, 0, 0, 0, width, height);
1951 }
1952
1953 /* Clean up and return. */
1954 if (colormap != NULL)
1955 g_object_unref(G_OBJECT(colormap));
1956 if (drawable != NULL)
1957 g_object_unref(G_OBJECT(drawable));
1958 return retval;
1959 }
1960
1961 /* Apply a mask to a pixbuf.
1962 * Originally from libwnck, Copyright (C) 2001 Havoc Pennington. */
1963 static GdkPixbuf * apply_mask(GdkPixbuf * pixbuf, GdkPixbuf * mask)
1964 {
1965 /* Initialize. */
1966 int w = MIN(gdk_pixbuf_get_width(mask), gdk_pixbuf_get_width(pixbuf));
1967 int h = MIN(gdk_pixbuf_get_height(mask), gdk_pixbuf_get_height(pixbuf));
1968 GdkPixbuf * with_alpha = gdk_pixbuf_add_alpha(pixbuf, FALSE, 0, 0, 0);
1969 guchar * dst = gdk_pixbuf_get_pixels(with_alpha);
1970 guchar * src = gdk_pixbuf_get_pixels(mask);
1971 int dst_stride = gdk_pixbuf_get_rowstride(with_alpha);
1972 int src_stride = gdk_pixbuf_get_rowstride(mask);
1973
1974 /* Loop to do the work. */
1975 int i;
1976 for (i = 0; i < h; i += 1)
1977 {
1978 int j;
1979 for (j = 0; j < w; j += 1)
1980 {
1981 guchar * s = src + i * src_stride + j * 3;
1982 guchar * d = dst + i * dst_stride + j * 4;
1983
1984 /* s[0] == s[1] == s[2], they are 255 if the bit was set, 0 otherwise. */
1985 d[3] = ((s[0] == 0) ? 0 : 255); /* 0 = transparent, 255 = opaque */
1986 }
1987 }
1988
1989 return with_alpha;
1990 }
1991
1992 /* Get an icon from the window manager for a task, and scale it to a specified size. */
1993 static GdkPixbuf * get_wm_icon(Window task_win, guint required_width,
1994 guint required_height, Atom source,
1995 Atom * current_source, LaunchTaskBarPlugin * tb)
1996 {
1997 /* The result. */
1998 GdkPixbuf * pixmap = NULL;
1999 Atom possible_source = None;
2000 int result = -1;
2001 Display *xdisplay = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
2002
2003 if ((source == None) || (source == a_NET_WM_ICON))
2004 {
2005 /* Important Notes:
2006 * According to freedesktop.org document:
2007 * http://standards.freedesktop.org/wm-spec/wm-spec-1.4.html#id2552223
2008 * _NET_WM_ICON contains an array of 32-bit packed CARDINAL ARGB.
2009 * However, this is incorrect. Actually it's an array of long integers.
2010 * Toolkits like gtk+ use unsigned long here to store icons.
2011 * Besides, according to manpage of XGetWindowProperty, when returned format,
2012 * is 32, the property data will be stored as an array of longs
2013 * (which in a 64-bit application will be 64-bit values that are
2014 * padded in the upper 4 bytes).
2015 */
2016
2017 /* Get the window property _NET_WM_ICON, if possible. */
2018 Atom type = None;
2019 int format;
2020 gulong nitems;
2021 gulong bytes_after;
2022 gulong * data = NULL;
2023 result = XGetWindowProperty(
2024 xdisplay,
2025 task_win,
2026 a_NET_WM_ICON,
2027 0, G_MAXLONG,
2028 False, XA_CARDINAL,
2029 &type, &format, &nitems, &bytes_after, (void *) &data);
2030
2031 /* Inspect the result to see if it is usable. If not, and we got data, free it. */
2032 if ((type != XA_CARDINAL) || (nitems <= 0))
2033 {
2034 if (data != NULL)
2035 XFree(data);
2036 result = -1;
2037 }
2038
2039 /* If the result is usable, extract the icon from it. */
2040 if (result == Success)
2041 {
2042 /* Get the largest icon available, unless there is one that is the desired size. */
2043 /* FIXME: should we try to find an icon whose size is closest to
2044 * required_width and required_height to reduce unnecessary resizing? */
2045 gulong * pdata = data;
2046 gulong * pdata_end = data + nitems;
2047 gulong * max_icon = NULL;
2048 gulong max_w = 0;
2049 gulong max_h = 0;
2050 while ((pdata + 2) < pdata_end)
2051 {
2052 /* Extract the width and height. */
2053 guint w = pdata[0];
2054 guint h = pdata[1];
2055 gulong size = w * h;
2056 pdata += 2;
2057
2058 /* Bounds check the icon. */
2059 if (pdata + size > pdata_end)
2060 break;
2061
2062 /* Rare special case: the desired size is the same as icon size. */
2063 if ((required_width == w) && (required_height == h))
2064 {
2065 max_icon = pdata;
2066 max_w = w;
2067 max_h = h;
2068 break;
2069 }
2070
2071 /* If the icon is the largest so far, capture it. */
2072 if ((w > max_w) && (h > max_h))
2073 {
2074 max_icon = pdata;
2075 max_w = w;
2076 max_h = h;
2077 }
2078 pdata += size;
2079 }
2080
2081 /* If an icon was extracted, convert it to a pixbuf.
2082 * Its size is max_w and max_h. */
2083 if (max_icon != NULL)
2084 {
2085 /* Allocate enough space for the pixel data. */
2086 gulong len = max_w * max_h;
2087 guchar * pixdata = g_new(guchar, len * 4);
2088
2089 /* Loop to convert the pixel data. */
2090 guchar * p = pixdata;
2091 gulong i;
2092 for (i = 0; i < len; p += 4, i += 1)
2093 {
2094 guint argb = max_icon[i];
2095 guint rgba = (argb << 8) | (argb >> 24);
2096 p[0] = rgba >> 24;
2097 p[1] = (rgba >> 16) & 0xff;
2098 p[2] = (rgba >> 8) & 0xff;
2099 p[3] = rgba & 0xff;
2100 }
2101
2102 /* Initialize a pixmap with the pixel data. */
2103 pixmap = gdk_pixbuf_new_from_data(
2104 pixdata,
2105 GDK_COLORSPACE_RGB,
2106 TRUE, 8, /* has_alpha, bits_per_sample */
2107 max_w, max_h, max_w * 4,
2108 (GdkPixbufDestroyNotify) g_free,
2109 NULL);
2110 possible_source = a_NET_WM_ICON;
2111 }
2112 else
2113 result = -1;
2114
2115 /* Free the X property data. */
2116 XFree(data);
2117 }
2118 }
2119
2120 /* No icon available from _NET_WM_ICON. Next try WM_HINTS, but do not overwrite _NET_WM_ICON. */
2121 if ((result != Success) && (*current_source != a_NET_WM_ICON)
2122 && ((source == None) || (source != a_NET_WM_ICON)))
2123 {
2124 XWMHints * hints = XGetWMHints(xdisplay, task_win);
2125 result = (hints != NULL) ? Success : -1;
2126 Pixmap xpixmap = None;
2127 Pixmap xmask = None;
2128
2129 if (result == Success)
2130 {
2131 /* WM_HINTS is available. Extract the X pixmap and mask. */
2132 if ((hints->flags & IconPixmapHint))
2133 xpixmap = hints->icon_pixmap;
2134 if ((hints->flags & IconMaskHint))
2135 xmask = hints->icon_mask;
2136 XFree(hints);
2137 if (xpixmap != None)
2138 {
2139 result = Success;
2140 possible_source = XA_WM_HINTS;
2141 }
2142 else
2143 result = -1;
2144 }
2145
2146 if (result != Success)
2147 {
2148 /* No icon available from _NET_WM_ICON or WM_HINTS. Next try KWM_WIN_ICON. */
2149 Atom type = None;
2150 int format;
2151 gulong nitems;
2152 gulong bytes_after;
2153 Pixmap *icons = NULL;
2154 Atom kwin_win_icon_atom = gdk_x11_get_xatom_by_name("KWM_WIN_ICON");
2155 result = XGetWindowProperty(
2156 xdisplay,
2157 task_win,
2158 kwin_win_icon_atom,
2159 0, G_MAXLONG,
2160 False, kwin_win_icon_atom,
2161 &type, &format, &nitems, &bytes_after, (void *) &icons);
2162
2163 /* Inspect the result to see if it is usable. If not, and we got data, free it. */
2164 if (type != kwin_win_icon_atom)
2165 {
2166 if (icons != NULL)
2167 XFree(icons);
2168 result = -1;
2169 }
2170
2171 /* If the result is usable, extract the X pixmap and mask from it. */
2172 if (result == Success)
2173 {
2174 xpixmap = icons[0];
2175 xmask = icons[1];
2176 if (xpixmap != None)
2177 {
2178 result = Success;
2179 possible_source = kwin_win_icon_atom;
2180 }
2181 else
2182 result = -1;
2183 }
2184 }
2185
2186 /* If we have an X pixmap, get its geometry.*/
2187 unsigned int w, h;
2188 if (result == Success)
2189 {
2190 Window unused_win;
2191 int unused;
2192 unsigned int unused_2;
2193 result = XGetGeometry(
2194 xdisplay, xpixmap,
2195 &unused_win, &unused, &unused, &w, &h, &unused_2, &unused_2) ? Success : -1;
2196 }
2197
2198 /* If we have an X pixmap and its geometry, convert it to a GDK pixmap. */
2199 if (result == Success)
2200 {
2201 pixmap = _wnck_gdk_pixbuf_get_from_pixmap(xpixmap, w, h);
2202 result = ((pixmap != NULL) ? Success : -1);
2203 }
2204
2205 /* If we have success, see if the result needs to be masked.
2206 * Failures here are implemented as nonfatal. */
2207 if ((result == Success) && (xmask != None))
2208 {
2209 Window unused_win;
2210 int unused;
2211 unsigned int unused_2;
2212 if (XGetGeometry(
2213 xdisplay, xmask,
2214 &unused_win, &unused, &unused, &w, &h, &unused_2, &unused_2))
2215 {
2216 /* Convert the X mask to a GDK pixmap. */
2217 GdkPixbuf * mask = _wnck_gdk_pixbuf_get_from_pixmap(xmask, w, h);
2218 if (mask != NULL)
2219 {
2220 /* Apply the mask. */
2221 GdkPixbuf * masked_pixmap = apply_mask(pixmap, mask);
2222 g_object_unref(G_OBJECT(pixmap));
2223 g_object_unref(G_OBJECT(mask));
2224 pixmap = masked_pixmap;
2225 }
2226 }
2227 }
2228 }
2229
2230 /* If we got a pixmap, scale it and return it. */
2231 if (pixmap == NULL)
2232 return NULL;
2233 else
2234 {
2235 GdkPixbuf * ret;
2236
2237 *current_source = possible_source;
2238 if (tb->disable_taskbar_upscale)
2239 {
2240 guint w = gdk_pixbuf_get_width (pixmap);
2241 guint h = gdk_pixbuf_get_height (pixmap);
2242 if (w <= required_width || h <= required_height)
2243 {
2244 return pixmap;
2245 }
2246 }
2247 ret = gdk_pixbuf_scale_simple(pixmap, required_width, required_height,
2248 GDK_INTERP_BILINEAR);
2249 g_object_unref(pixmap);
2250 return ret;
2251 }
2252 }
2253
2254 /* Update the icon of a task. */
2255 static GdkPixbuf * task_update_icon(LaunchTaskBarPlugin * tb, Task * tk, Atom source)
2256 {
2257 /* Get the icon from the window's hints. */
2258 GdkPixbuf * pixbuf = get_wm_icon(tk->win, MAX(0, tb->icon_size - ICON_BUTTON_TRIM),
2259 MAX(0, tb->icon_size - ICON_BUTTON_TRIM),
2260 source, &tk->image_source, tb);
2261
2262 /* If that fails, and we have no other icon yet, return the fallback icon. */
2263 if ((pixbuf == NULL)
2264 && ((source == None) || (tk->image_source == None)))
2265 {
2266 /* Establish the fallback task icon. This is used when no other icon is available. */
2267 if (tb->fallback_pixbuf == NULL)
2268 tb->fallback_pixbuf = gdk_pixbuf_new_from_xpm_data((const char **) icon_xpm);
2269 g_object_ref(tb->fallback_pixbuf);
2270 pixbuf = tb->fallback_pixbuf;
2271 }
2272
2273 /* Return what we have. This may be NULL to indicate that no change should be made to the icon. */
2274 return pixbuf;
2275 }
2276
2277 /* Timer expiration for urgency notification. Also used to draw the button in setting and clearing urgency. */
2278 static void flash_window_update(Task * tk)
2279 {
2280 /* Set state on the button and redraw. */
2281 if ( ! tk->tb->flat_button)
2282 gtk_widget_set_state(tk->button, tk->flash_state ? GTK_STATE_SELECTED : GTK_STATE_NORMAL);
2283 task_draw_label(tk);
2284 if (tk->menu_item != NULL && gtk_widget_get_mapped(tk->menu_item))
2285 /* if submenu exists and mapped then set state too */
2286 gtk_widget_set_state(tk->menu_item, tk->flash_state ? GTK_STATE_SELECTED : GTK_STATE_NORMAL);
2287
2288 /* Complement the flashing context. */
2289 tk->flash_state = ! tk->flash_state;
2290 }
2291
2292 static gboolean flash_window_timeout(gpointer tk)
2293 {
2294 if (g_source_is_destroyed(g_main_current_source()))
2295 return FALSE;
2296 flash_window_update(tk);
2297 return TRUE;
2298 }
2299
2300 /* Set urgency notification. */
2301 static void task_set_urgency(Task * tk)
2302 {
2303 LaunchTaskBarPlugin * tb = tk->tb;
2304 TaskClass * tc = tk->p_taskclass;
2305 if ((tb->grouped_tasks) && (tc != NULL) && (tc->visible_count > 1))
2306 recompute_group_visibility_for_class(tk->tb, tk->p_taskclass);
2307 else
2308 {
2309 /* Set the flashing context and flash the window immediately. */
2310 tk->flash_state = TRUE;
2311 flash_window_update(tk);
2312
2313 /* Set the timer if none is set. */
2314 if (tk->flash_timeout == 0)
2315 set_timer_on_task(tk);
2316 }
2317 }
2318
2319 /* Clear urgency notification. */
2320 static void task_clear_urgency(Task * tk)
2321 {
2322 LaunchTaskBarPlugin * tb = tk->tb;
2323 TaskClass * tc = tk->p_taskclass;
2324 if ((tb->grouped_tasks) && (tc != NULL) && (tc->visible_count > 1))
2325 recompute_group_visibility_for_class(tk->tb, tk->p_taskclass);
2326 else
2327 {
2328 /* Remove the timer if one is set. */
2329 if (tk->flash_timeout != 0)
2330 {
2331 g_source_remove(tk->flash_timeout);
2332 tk->flash_timeout = 0;
2333 }
2334 if (tk->menu_item)
2335 {
2336 g_object_unref(tk->menu_item);
2337 tk->menu_item = NULL;
2338 }
2339
2340 /* Clear the flashing context and unflash the window immediately. */
2341 tk->flash_state = FALSE;
2342 flash_window_update(tk);
2343 tk->flash_state = FALSE;
2344 }
2345 }
2346
2347 /* Do the proper steps to raise a window.
2348 * This means removing it from iconified state and bringing it to the front.
2349 * We also switch the active desktop and viewport if needed. */
2350 static void task_raise_window(Task * tk, guint32 time)
2351 {
2352 Display *xdisplay = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
2353
2354 /* Change desktop if needed. */
2355 if ((tk->desktop != ALL_WORKSPACES) && (tk->desktop != tk->tb->current_desktop))
2356 Xclimsg(GDK_ROOT_WINDOW(), a_NET_CURRENT_DESKTOP, tk->desktop, 0, 0, 0, 0);
2357
2358 /* Evaluate use_net_active if not yet done. */
2359 if ( ! tk->tb->net_active_checked)
2360 {
2361 LaunchTaskBarPlugin * tb = tk->tb;
2362 GdkAtom net_active_atom = gdk_x11_xatom_to_atom(a_NET_ACTIVE_WINDOW);
2363 tb->use_net_active = gdk_x11_screen_supports_net_wm_hint(tb->screen, net_active_atom);
2364 tb->net_active_checked = TRUE;
2365 }
2366
2367 /* Raise the window. We can use NET_ACTIVE_WINDOW if the window manager supports it.
2368 * Otherwise, do it the old way with XMapRaised and XSetInputFocus. */
2369 if (tk->tb->use_net_active)
2370 Xclimsg(tk->win, a_NET_ACTIVE_WINDOW, 2, time, 0, 0, 0);
2371 else
2372 {
2373 #if GTK_CHECK_VERSION(2, 24, 0)
2374 GdkWindow * gdkwindow = gdk_x11_window_lookup_for_display(gdk_display_get_default(), tk->win);
2375 #else
2376 GdkWindow * gdkwindow = gdk_xid_table_lookup(tk->win);
2377 #endif
2378 if (gdkwindow != NULL)
2379 gdk_window_show(gdkwindow);
2380 else
2381 XMapRaised(xdisplay, tk->win);
2382
2383 /* There is a race condition between the X server actually executing the XMapRaised and this code executing XSetInputFocus.
2384 * If the window is not viewable, the XSetInputFocus will fail with BadMatch. */
2385 XWindowAttributes attr;
2386 Display *xdisplay = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
2387 XGetWindowAttributes(xdisplay, tk->win, &attr);
2388 if (attr.map_state == IsViewable)
2389 XSetInputFocus(xdisplay, tk->win, RevertToNone, time);
2390 }
2391
2392 /* Change viewport if needed. */
2393 XWindowAttributes xwa;
2394 XGetWindowAttributes(xdisplay, tk->win, &xwa);
2395 Xclimsg(tk->win, a_NET_DESKTOP_VIEWPORT, xwa.x, xwa.y, 0, 0, 0);
2396 }
2397
2398 /* Position-calculation callback for grouped-task and window-management popup menu. */
2399 static void taskbar_popup_set_position(GtkWidget * menu, gint * px, gint * py, gboolean * push_in, gpointer data)
2400 {
2401 Task * tk = (Task *) data;
2402
2403 /* Determine the coordinates. */
2404 lxpanel_plugin_popup_set_position_helper(tk->tb->panel, tk->button, menu,
2405 px, py);
2406 *push_in = TRUE;
2407 }
2408
2409 /* Handler for "activate" event from "close all windows" menu*/
2410 static void taskbar_close_all_windows (GtkWidget * widget, Task * tk )
2411 {
2412 Task * tk_cursor;
2413 for (tk_cursor = tk->p_taskclass->p_task_head; tk_cursor != NULL;
2414 tk_cursor = tk_cursor->p_task_flink_same_class)
2415 {
2416 if (task_is_visible_on_current_desktop(tk->tb, tk_cursor))
2417 {
2418 Xclimsgwm(tk_cursor->win, a_WM_PROTOCOLS, a_WM_DELETE_WINDOW);
2419 }
2420 }
2421 task_group_menu_destroy(tk->tb);
2422 }
2423
2424 /* Remove the grouped-task popup menu from the screen. */
2425 static void task_group_menu_destroy(LaunchTaskBarPlugin * tb)
2426 {
2427 if (tb->group_menu != NULL)
2428 {
2429 gtk_widget_destroy(tb->group_menu);
2430 tb->group_menu = NULL;
2431 }
2432 }
2433
2434 /* Handler for "button-press-event" event from taskbar button,
2435 * or "activate" event from grouped-task popup menu item. */
2436 static gboolean taskbar_task_control_event(GtkWidget * widget, GdkEventButton * event, Task * tk, gboolean popup_menu)
2437 {
2438 LaunchTaskBarPlugin * tb = tk->tb;
2439 TaskClass * tc = tk->p_taskclass;
2440 if ((tb->grouped_tasks) && (tc != NULL) && (tc->visible_count > 1) && (GTK_IS_BUTTON(widget)))
2441 {
2442 /* This is grouped-task representative, meaning that there is a class
2443 * with at least two windows. */
2444 GtkWidget * menu = NULL;
2445 if( event->button == 1 ) /* Left click */
2446 {
2447 menu = gtk_menu_new();
2448 /* Bring up a popup menu listing all the class members. */
2449 Task * tk_cursor;
2450 GtkWidget * flashing_menu = NULL;
2451 for (tk_cursor = tc->p_task_head; tk_cursor != NULL;
2452 tk_cursor = tk_cursor->p_task_flink_same_class)
2453 {
2454 if (task_is_visible_on_current_desktop(tb, tk_cursor))
2455 {
2456 /* The menu item has the name, or the iconified name, and
2457 * the icon of the application window. */
2458 GtkWidget * mi = gtk_image_menu_item_new_with_label(((tk_cursor->iconified) ?
2459 tk_cursor->name_iconified : tk_cursor->name));
2460 GtkWidget * im = gtk_image_new_from_pixbuf(gtk_image_get_pixbuf(
2461 GTK_IMAGE(tk_cursor->image)));
2462 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(mi), im);
2463 g_signal_connect(mi, "button-press-event",
2464 G_CALLBACK(taskbar_popup_activate_event), (gpointer) tk_cursor);
2465 gtk_menu_shell_append(GTK_MENU_SHELL(menu), mi);
2466 /* set mi as if it's urgent with reference */
2467 if (tk_cursor->menu_item != NULL)
2468 g_object_unref(tk_cursor->menu_item);
2469 tk_cursor->menu_item = NULL;
2470 if (tk_cursor->urgency && !tk_cursor->focused && flashing_menu == NULL)
2471 flashing_menu = g_object_ref_sink(mi);
2472 }
2473 }
2474 /* since tc->visible_count > 1, tc->p_task_visible cannot be NULL */
2475 g_assert(tc->p_task_visible != NULL);
2476 g_assert(tc->p_task_visible->menu_item == NULL);
2477 tc->p_task_visible->menu_item = flashing_menu;
2478 }
2479 else if(event->button == 3) /* Right click */
2480 {
2481 menu = gtk_menu_new();
2482 GtkWidget * mi = gtk_menu_item_new_with_mnemonic (_("_Close all windows"));
2483 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), mi);
2484 g_signal_connect( mi, "activate", G_CALLBACK(taskbar_close_all_windows), tk);
2485 }
2486
2487 /* Show the menu. Set context so we can find the menu later to dismiss it.
2488 * Use a position-calculation callback to get the menu nicely
2489 * positioned with respect to the button. */
2490 if (menu) {
2491 gtk_widget_show_all(menu);
2492 task_group_menu_destroy(tb);
2493 tb->group_menu = menu;
2494 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
2495 (GtkMenuPositionFunc) taskbar_popup_set_position, (gpointer) tk,
2496 event->button, event->time);
2497 }
2498 }
2499 else
2500 {
2501 /* Not a grouped-task representative, or entered from the grouped-task popup menu. */
2502 Task * visible_task = (((tk->p_taskclass == NULL) || ( ! tk->tb->grouped_tasks)) ? tk : tk->p_taskclass->p_task_visible);
2503 task_group_menu_destroy(tb);
2504
2505 if (event->button == 1)
2506 {
2507 Display *xdisplay = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
2508 /* Left button.
2509 * If the task is iconified, raise it.
2510 * If the task is not iconified and has focus, iconify it.
2511 * If the task is not iconified and does not have focus, raise it. */
2512 if (tk->iconified)
2513 task_raise_window(tk, event->time);
2514 else if ((tk->focused) || (tk == tb->focused_previous))
2515 XIconifyWindow(xdisplay, tk->win, DefaultScreen(xdisplay));
2516 else
2517 task_raise_window(tk, event->time);
2518 }
2519 else if (event->button == 2)
2520 {
2521 /* Middle button. Toggle the shaded state of the window. */
2522 Xclimsg(tk->win, a_NET_WM_STATE,
2523 2, /* a_NET_WM_STATE_TOGGLE */
2524 a_NET_WM_STATE_SHADED,
2525 0, 0, 0);
2526 }
2527 else if(event->button == 3)
2528 {
2529 /* Right button. Bring up the window state popup menu. */
2530 tk->tb->menutask = tk;
2531 #ifndef DISABLE_MENU
2532 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)tk->tb;
2533 if(ltbp->mode == LAUNCHTASKBAR)
2534 {
2535 FmFileInfo *fi = f_find_menu_launchbutton_recursive(tk->exec_bin);
2536 LaunchButton *btn = launchbar_exec_bin_exists(ltbp, fi);
2537 /* FIXME: shouldn't we make file info at task button creation? */
2538 #ifdef DEBUG
2539 g_print("\nTB '%s' right-click, in LB: %c\n", tk->exec_bin, btn != NULL ? 'Y':'N');
2540 #endif
2541 if(btn != NULL)
2542 {
2543 gtk_widget_set_visible(ltbp->p_menuitem_lock_tbp, FALSE);
2544 gtk_widget_set_visible(ltbp->p_menuitem_unlock_tbp, TRUE);
2545 gtk_widget_set_visible(ltbp->p_menuitem_new_instance, TRUE);
2546 }
2547 else
2548 {
2549 gtk_widget_set_visible(ltbp->p_menuitem_lock_tbp, fi != NULL);
2550 gtk_widget_set_visible(ltbp->p_menuitem_unlock_tbp, FALSE);
2551 gtk_widget_set_visible(ltbp->p_menuitem_new_instance, fi != NULL);
2552 }
2553 gtk_widget_set_visible(ltbp->p_menuitem_separator, TRUE);
2554 if (fi)
2555 fm_file_info_unref(fi);
2556 }
2557 else
2558 {
2559 gtk_widget_set_visible(ltbp->p_menuitem_lock_tbp, FALSE);
2560 gtk_widget_set_visible(ltbp->p_menuitem_unlock_tbp, FALSE);
2561 gtk_widget_set_visible(ltbp->p_menuitem_new_instance, FALSE);
2562 gtk_widget_set_visible(ltbp->p_menuitem_separator, FALSE);
2563 }
2564 #endif
2565 if (tb->workspace_menu0)
2566 {
2567 GList *items = gtk_container_get_children(GTK_CONTAINER(gtk_widget_get_parent(tb->workspace_menu0)));
2568 GList *item = g_list_find(items, tb->workspace_menu0);
2569 int i;
2570 if (item != NULL) /* else error */
2571 for (i = 0; i < tb->number_of_desktops; i++, item = item->next)
2572 gtk_widget_set_sensitive(item->data, i != tk->desktop);
2573 g_list_free(items);
2574 }
2575 gtk_menu_popup(
2576 GTK_MENU(tb->menu),
2577 NULL, NULL,
2578 (GtkMenuPositionFunc) taskbar_popup_set_position, (gpointer) visible_task,
2579 0, event->time);
2580 }
2581 }
2582
2583 /* As a matter of policy, avoid showing selected or prelight states on flat buttons. */
2584 if (tb->flat_button)
2585 gtk_widget_set_state(widget, GTK_STATE_NORMAL);
2586 return TRUE;
2587 }
2588
2589 /* Handler for "button-press-event" event from taskbar button. */
2590 static gboolean taskbar_button_press_event(GtkWidget * widget, GdkEventButton * event, Task * tk)
2591 {
2592 // needed to prevent releasing focused task button
2593 return TRUE;
2594 }
2595
2596 /* Handler for "button-release-event" event from taskbar button. */
2597 static gboolean taskbar_button_release_event(GtkWidget * widget, GdkEventButton * event, Task * tk)
2598 {
2599 if (!tk->tb->dnd_task_moving)
2600 return taskbar_task_control_event(widget, event, tk, FALSE);
2601 return TRUE;
2602 }
2603
2604 /* Handler for "activate" event from grouped-task popup menu item. */
2605 static gboolean taskbar_popup_activate_event(GtkWidget * widget, GdkEventButton * event, Task * tk)
2606 {
2607 return taskbar_task_control_event(widget, event, tk, TRUE);
2608 }
2609
2610 /* Handler for "drag-motion" timeout. */
2611 static gboolean taskbar_button_drag_motion_timeout(Task * tk)
2612 {
2613 guint time;
2614 if (g_source_is_destroyed(g_main_current_source()))
2615 return FALSE;
2616 time = gtk_get_current_event_time();
2617 task_raise_window(tk, ((time != 0) ? time : CurrentTime));
2618 tk->tb->dnd_delay_timer = 0;
2619 return FALSE;
2620 }
2621
2622 /* Handler for "drag-motion" event from taskbar button. */
2623 static gboolean taskbar_button_drag_motion(GtkWidget * widget, GdkDragContext * drag_context, gint x, gint y, guint time, Task * tk)
2624 {
2625 GtkWidget * drag_source = gtk_drag_get_source_widget(drag_context);
2626 if (drag_source != NULL && gtk_widget_get_parent(drag_source) == gtk_widget_get_parent(tk->button))
2627 {
2628 tk->tb->dnd_task_moving = TRUE;
2629 gdk_drag_status(drag_context, GDK_ACTION_MOVE, time);
2630 }
2631 else
2632 {
2633 /* Prevent excessive motion notification. */
2634 if (tk->tb->dnd_delay_timer == 0)
2635 tk->tb->dnd_delay_timer = g_timeout_add(DRAG_ACTIVE_DELAY, (GSourceFunc) taskbar_button_drag_motion_timeout, tk);
2636
2637 gdk_drag_status(drag_context, 0, time);
2638 }
2639 return TRUE;
2640 }
2641
2642 /* Handler for "drag-drop" event from taskbar button. */
2643 static gboolean taskbar_button_drag_drop(GtkWidget * widget, GdkDragContext * drag_context, gint x, gint y, guint time, Task * tk)
2644 {
2645 tk->tb->dnd_task_moving = FALSE;
2646 GtkWidget * drag_source = gtk_drag_get_source_widget(drag_context);
2647 if (drag_source != NULL && gtk_widget_get_parent(drag_source) == gtk_widget_get_parent(tk->button))
2648 {
2649 if (drag_source != tk->button)
2650 {
2651 PanelIconGrid *ig = PANEL_ICON_GRID(tk->tb->tb_icon_grid);
2652 gint i = panel_icon_grid_get_child_position(ig, tk->button);
2653 panel_icon_grid_reorder_child(ig, drag_source, i);
2654 }
2655 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2656 return TRUE;
2657 }
2658
2659 return FALSE;
2660 }
2661
2662 /* Handler for "drag-leave" event from taskbar button. */
2663 static void taskbar_button_drag_leave(GtkWidget * widget, GdkDragContext * drag_context, guint time, Task * tk)
2664 {
2665 /* Cancel the timer if set. */
2666 if (tk->tb->dnd_delay_timer != 0)
2667 {
2668 g_source_remove(tk->tb->dnd_delay_timer);
2669 tk->tb->dnd_delay_timer = 0;
2670 }
2671 return;
2672 }
2673
2674 /* Handler for "enter" event from taskbar button. This indicates that the cursor position has entered the button. */
2675 static void taskbar_button_enter(GtkWidget * widget, Task * tk)
2676 {
2677 tk->tb->dnd_task_moving = FALSE;
2678 tk->entered_state = TRUE;
2679 if (tk->tb->flat_button) {
2680 gtk_widget_set_state(widget, GTK_STATE_NORMAL);
2681 gtk_button_set_relief(GTK_BUTTON(tk->button), GTK_RELIEF_HALF);
2682 }
2683 task_draw_label(tk);
2684 }
2685
2686 /* Handler for "leave" event from taskbar button. This indicates that the cursor position has left the button. */
2687 static void taskbar_button_leave(GtkWidget * widget, Task * tk)
2688 {
2689 tk->entered_state = FALSE;
2690 if (tk->tb->flat_button) {
2691 gtk_button_set_relief(GTK_BUTTON(tk->button), GTK_RELIEF_NONE);
2692 }
2693 task_draw_label(tk);
2694 }
2695
2696 /* Handler for "scroll-event" event from taskbar button. */
2697 static gboolean taskbar_button_scroll_event(GtkWidget * widget, GdkEventScroll * event, Task * tk)
2698 {
2699 LaunchTaskBarPlugin * tb = tk->tb;
2700 TaskClass * tc = tk->p_taskclass;
2701 if ((tb->use_mouse_wheel)
2702 && (( ! tb->grouped_tasks) || (tc == NULL) || (tc->visible_count == 1)))
2703 {
2704 if ((event->direction == GDK_SCROLL_UP) || (event->direction == GDK_SCROLL_LEFT))
2705 task_raise_window(tk, event->time);
2706 else
2707 {
2708 Display *xdisplay = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
2709 XIconifyWindow(xdisplay, tk->win, DefaultScreen(xdisplay));
2710 }
2711 }
2712 return TRUE;
2713 }
2714
2715 /* Handler for "size-allocate" event from taskbar button. */
2716 static void taskbar_button_size_allocate(GtkWidget * btn, GtkAllocation * alloc, Task * tk)
2717 {
2718 if (gtk_widget_get_realized(btn))
2719 {
2720 /* Get the coordinates of the button. */
2721 int x, y;
2722 gdk_window_get_origin(gtk_button_get_event_window(GTK_BUTTON(btn)), &x, &y);
2723
2724
2725 /* Send a NET_WM_ICON_GEOMETRY property change on the window. */
2726 gulong data[4];
2727 data[0] = x;
2728 data[1] = y;
2729 data[2] = alloc->width;
2730 data[3] = alloc->height;
2731 XChangeProperty(GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), tk->win,
2732 gdk_x11_get_xatom_by_name("_NET_WM_ICON_GEOMETRY"),
2733 XA_CARDINAL, 32, PropModeReplace, (guchar *) &data, 4);
2734 }
2735 }
2736
2737 /* Update style on the taskbar when created or after a configuration change. */
2738 static void taskbar_update_style(LaunchTaskBarPlugin * tb)
2739 {
2740 panel_icon_grid_set_geometry(PANEL_ICON_GRID(tb->tb_icon_grid),
2741 panel_get_orientation(tb->panel),
2742 ((tb->icons_only) ? tb->icon_size + ICON_ONLY_EXTRA : tb->task_width_max),
2743 tb->icon_size, tb->spacing, 0, panel_get_height(tb->panel));
2744 }
2745
2746 /* Update style on a task button when created or after a configuration change. */
2747 static void task_update_style(Task * tk, LaunchTaskBarPlugin * tb)
2748 {
2749 if (tb->icons_only)
2750 gtk_widget_hide(tk->label);
2751 else
2752 gtk_widget_show(tk->label);
2753
2754 if( tb->flat_button )
2755 {
2756 gtk_toggle_button_set_active((GtkToggleButton*)tk->button, FALSE);
2757 gtk_button_set_relief(GTK_BUTTON(tk->button), GTK_RELIEF_NONE);
2758 }
2759 else
2760 {
2761 gtk_toggle_button_set_active((GtkToggleButton*)tk->button, tk->focused);
2762 gtk_button_set_relief(GTK_BUTTON(tk->button), GTK_RELIEF_NORMAL);
2763 }
2764
2765 task_draw_label(tk);
2766 }
2767
2768 enum {
2769 TARGET_TASK_BUTTON
2770 };
2771
2772 static GtkTargetEntry task_button_target_list[] = {
2773 { "task_button", GTK_TARGET_SAME_APP, TARGET_TASK_BUTTON }
2774 };
2775
2776 static guint task_button_n_targets = G_N_ELEMENTS(task_button_target_list);
2777
2778 /* Build graphic elements needed for a task button. */
2779 static void task_build_gui(LaunchTaskBarPlugin * tb, Task * tk)
2780 {
2781 GdkDisplay *display = gdk_display_get_default();
2782 /* NOTE
2783 * 1. the extended mask is sum of taskbar and pager needs
2784 * see bug [ 940441 ] pager loose track of windows
2785 *
2786 * Do not change event mask to gtk windows spawned by this gtk client
2787 * this breaks gtk internals */
2788 #if GTK_CHECK_VERSION(2, 24, 0)
2789 if (!gdk_x11_window_lookup_for_display(display, tk->win))
2790 #else
2791 if (! gdk_window_lookup(tk->win))
2792 #endif
2793 XSelectInput(GDK_DISPLAY_XDISPLAY(display), tk->win,
2794 PropertyChangeMask | StructureNotifyMask);
2795
2796 /* Allocate a toggle button as the top level widget. */
2797 tk->button = gtk_toggle_button_new();
2798 gtk_container_set_border_width(GTK_CONTAINER(tk->button), 0);
2799 if (!tb->flat_button)
2800 gtk_widget_set_state(tk->button, GTK_STATE_NORMAL);
2801 gtk_drag_dest_set(tk->button, 0, NULL, 0, 0);
2802 gtk_drag_source_set(tk->button, GDK_BUTTON1_MASK, task_button_target_list, task_button_n_targets, GDK_ACTION_MOVE);
2803
2804 /* Connect signals to the button. */
2805 g_signal_connect(tk->button, "button-press-event", G_CALLBACK(taskbar_button_press_event), (gpointer) tk);
2806 g_signal_connect(tk->button, "button-release-event", G_CALLBACK(taskbar_button_release_event), (gpointer) tk);
2807 g_signal_connect(G_OBJECT(tk->button), "drag-motion", G_CALLBACK(taskbar_button_drag_motion), (gpointer) tk);
2808 g_signal_connect(G_OBJECT(tk->button), "drag-leave", G_CALLBACK(taskbar_button_drag_leave), (gpointer) tk);
2809 g_signal_connect(G_OBJECT(tk->button), "drag-drop", G_CALLBACK(taskbar_button_drag_drop), (gpointer) tk);
2810 g_signal_connect_after(G_OBJECT (tk->button), "enter", G_CALLBACK(taskbar_button_enter), (gpointer) tk);
2811 g_signal_connect_after(G_OBJECT (tk->button), "leave", G_CALLBACK(taskbar_button_leave), (gpointer) tk);
2812 g_signal_connect_after(G_OBJECT(tk->button), "scroll-event", G_CALLBACK(taskbar_button_scroll_event), (gpointer) tk);
2813 g_signal_connect(tk->button, "size-allocate", G_CALLBACK(taskbar_button_size_allocate), (gpointer) tk);
2814
2815 /* Create a box to contain the application icon and window title. */
2816 GtkWidget * container = gtk_hbox_new(FALSE, 1);
2817 gtk_container_set_border_width(GTK_CONTAINER(container), 0);
2818
2819 /* Create an image to contain the application icon and add it to the box. */
2820 GdkPixbuf* pixbuf = task_update_icon(tb, tk, None);
2821 tk->image = gtk_image_new_from_pixbuf(pixbuf);
2822 gtk_misc_set_padding(GTK_MISC(tk->image), 0, 0);
2823 g_object_unref(pixbuf);
2824 gtk_widget_show(tk->image);
2825 gtk_box_pack_start(GTK_BOX(container), tk->image, FALSE, FALSE, 0);
2826
2827 /* Create a label to contain the window title and add it to the box. */
2828 tk->label = gtk_label_new(NULL);
2829 gtk_misc_set_alignment(GTK_MISC(tk->label), 0.0, 0.5);
2830 gtk_label_set_ellipsize(GTK_LABEL(tk->label), PANGO_ELLIPSIZE_END);
2831 gtk_box_pack_start(GTK_BOX(container), tk->label, TRUE, TRUE, 0);
2832
2833 /* Add the box to the button. */
2834 gtk_container_add(GTK_CONTAINER(tk->button), container);
2835 gtk_container_set_border_width(GTK_CONTAINER(tk->button), 0);
2836
2837 /* Add the button to the taskbar. */
2838 gtk_container_add(GTK_CONTAINER(tb->tb_icon_grid), tk->button);
2839 gtk_widget_show_all(tk->button);
2840 gtk_widget_set_can_focus(GTK_WIDGET(tk->button),FALSE);
2841 gtk_widget_set_can_default(GTK_WIDGET(tk->button),FALSE);
2842
2843 /* Update styles on the button. */
2844 task_update_style(tk, tb);
2845
2846 /* Flash button for window with urgency hint. */
2847 if (tk->urgency && !tk->focused)
2848 task_set_urgency(tk);
2849 }
2850
2851 /* Determine which monitor a given window is associated with */
2852 static gint get_window_monitor(Window win)
2853 {
2854 GdkDisplay *display;
2855 GdkWindow *gwin;
2856 gint m;
2857
2858 display = gdk_display_get_default();
2859 g_assert(display);
2860 gwin = gdk_x11_window_foreign_new_for_display(display,win);
2861 g_assert(gwin);
2862 m = gdk_screen_get_monitor_at_window(gdk_window_get_screen(gwin),gwin);
2863 g_object_unref(gwin);
2864 return m;
2865 }
2866
2867 /*****************************************************
2868 * handlers for NET actions *
2869 *****************************************************/
2870
2871 /* Handler for "client-list" event from root window listener. */
2872 static void taskbar_net_client_list(GtkWidget * widget, LaunchTaskBarPlugin * tb)
2873 {
2874 LaunchTaskBarPlugin *ltbp = tb;
2875 if(ltbp->mode == LAUNCHBAR) return;
2876
2877 /* Get the NET_CLIENT_LIST property. */
2878 int client_count;
2879 Window * client_list = get_xaproperty(GDK_ROOT_WINDOW(), a_NET_CLIENT_LIST, XA_WINDOW, &client_count);
2880 if (client_list != NULL)
2881 {
2882 /* Loop over client list, correlating it with task list. */
2883 int i;
2884 for (i = 0; i < client_count; i++)
2885 {
2886 /* Search for the window in the task list. Set up context to do an insert right away if needed. */
2887 Task * tk_pred = NULL;
2888 Task * tk_cursor;
2889 Task * tk = NULL;
2890 for (tk_cursor = tb->p_task_list; tk_cursor != NULL; tk_pred = tk_cursor, tk_cursor = tk_cursor->p_task_flink_xwid)
2891 {
2892 if (tk_cursor->win == client_list[i])
2893 {
2894 tk = tk_cursor;
2895 break;
2896 }
2897 if (tk_cursor->win > client_list[i])
2898 break;
2899 }
2900
2901 /* Task is already in task list. */
2902 if (tk != NULL)
2903 tk->present_in_client_list = TRUE;
2904
2905 /* Task is not in task list. */
2906 else
2907 {
2908 /* Evaluate window state and window type to see if it should be in task list. */
2909 NetWMWindowType nwwt;
2910 NetWMState nws;
2911 get_net_wm_state(client_list[i], &nws);
2912 get_net_wm_window_type(client_list[i], &nwwt);
2913 if ((accept_net_wm_state(&nws))
2914 && (accept_net_wm_window_type(&nwwt)))
2915 {
2916 /* Allocate and initialize new task structure. */
2917 tk = g_new0(Task, 1);
2918 tk->present_in_client_list = TRUE;
2919 tk->win = client_list[i];
2920 tk->tb = tb;
2921 tk->name_source = None;
2922 tk->image_source = None;
2923 tk->iconified = (get_wm_state(tk->win) == IconicState);
2924 tk->desktop = get_net_wm_desktop(tk->win);
2925 if (tb->same_monitor_only)
2926 tk->monitor = get_window_monitor(tk->win);
2927 if (tb->use_urgency_hint)
2928 tk->urgency = task_has_urgency(tk);
2929 task_build_gui(tb, tk);
2930 task_set_names(tk, None);
2931 task_set_class(tk);
2932
2933 /* Link the task structure into the task list. */
2934 if (tk_pred == NULL)
2935 {
2936 tk->p_task_flink_xwid = tb->p_task_list;
2937 tb->p_task_list = tk;
2938 }
2939 else
2940 {
2941 tk->p_task_flink_xwid = tk_pred->p_task_flink_xwid;
2942 tk_pred->p_task_flink_xwid = tk;
2943 }
2944 }
2945 }
2946 }
2947 XFree(client_list);
2948 }
2949
2950 /* Remove windows from the task list that are not present in the NET_CLIENT_LIST. */
2951 Task * tk_pred = NULL;
2952 Task * tk = tb->p_task_list;
2953 while (tk != NULL)
2954 {
2955 Task * tk_succ = tk->p_task_flink_xwid;
2956 if (tk->present_in_client_list)
2957 {
2958 tk->present_in_client_list = FALSE;
2959 tk_pred = tk;
2960 }
2961 else
2962 {
2963 if (tk_pred == NULL)
2964 tb->p_task_list = tk_succ;
2965 else tk_pred->p_task_flink_xwid = tk_succ;
2966 task_delete(tb, tk, FALSE, TRUE);
2967 }
2968 tk = tk_succ;
2969 }
2970
2971 /* Redraw the taskbar. */
2972 taskbar_redraw(tb);
2973 }
2974
2975 /* Handler for "current-desktop" event from root window listener. */
2976 static void taskbar_net_current_desktop(GtkWidget * widget, LaunchTaskBarPlugin * tb)
2977 {
2978 LaunchTaskBarPlugin *ltbp = tb;
2979 if(ltbp->mode == LAUNCHBAR) return;
2980
2981 /* Store the local copy of current desktops. Redisplay the taskbar. */
2982 tb->current_desktop = get_net_current_desktop();
2983 recompute_group_visibility_on_current_desktop(tb);
2984 taskbar_redraw(tb);
2985 }
2986
2987 /* Handler for "number-of-desktops" event from root window listener. */
2988 static void taskbar_net_number_of_desktops(GtkWidget * widget, LaunchTaskBarPlugin * tb)
2989 {
2990 LaunchTaskBarPlugin *ltbp = tb;
2991 if(ltbp->mode == LAUNCHBAR) return;
2992
2993 /* Store the local copy of number of desktops. Recompute the popup menu and redisplay the taskbar. */
2994 tb->number_of_desktops = get_net_number_of_desktops();
2995 taskbar_make_menu(tb);
2996 taskbar_redraw(tb);
2997 }
2998
2999 /* Handler for "active-window" event from root window listener. */
3000 static void taskbar_net_active_window(GtkWidget * widget, LaunchTaskBarPlugin * tb)
3001 {
3002 LaunchTaskBarPlugin *ltbp = tb;
3003 if(ltbp->mode == LAUNCHBAR) return;
3004
3005 gboolean drop_old = FALSE;
3006 gboolean make_new = FALSE;
3007 Task * ctk = tb->focused;
3008 Task * ntk = NULL;
3009
3010 /* Get the window that has focus. */
3011 Window * f = get_xaproperty(GDK_ROOT_WINDOW(), a_NET_ACTIVE_WINDOW, XA_WINDOW, 0);
3012 if (f == NULL)
3013 {
3014 /* No window has focus. */
3015 drop_old = TRUE;
3016 tb->focused_previous = NULL;
3017 }
3018 else
3019 {
3020 if (*f == panel_get_xwindow(tb->panel))
3021 {
3022 /* Taskbar window gained focus (this isn't supposed to be able to happen). Remember current focus. */
3023 if (ctk != NULL)
3024 {
3025 tb->focused_previous = ctk;
3026 drop_old = TRUE;
3027 }
3028 }
3029 else
3030 {
3031 /* Identify task that gained focus. */
3032 tb->focused_previous = NULL;
3033 ntk = task_lookup(tb, *f);
3034 if (ntk != ctk)
3035 {
3036 drop_old = TRUE;
3037 make_new = TRUE;
3038 }
3039 }
3040 XFree(f);
3041 }
3042
3043 /* If our idea of the current task lost focus, update data structures. */
3044 if ((ctk != NULL) && (drop_old))
3045 {
3046 ctk->focused = FALSE;
3047 if (ctk->urgency)
3048 task_set_urgency(ctk);
3049 tb->focused = NULL;
3050 if(!tb->flat_button) /* relieve the button if flat buttons is not used. */
3051 gtk_toggle_button_set_active((GtkToggleButton*)ctk->button, FALSE);
3052
3053 task_button_redraw(ctk, tb);
3054 }
3055
3056 /* If a task gained focus, update data structures. */
3057 if ((ntk != NULL) && (make_new))
3058 {
3059 if(!tb->flat_button) /* depress the button if flat buttons is not used. */
3060 gtk_toggle_button_set_active((GtkToggleButton*)ntk->button, TRUE);
3061 ntk->focused = TRUE;
3062 if (ntk->urgency)
3063 task_clear_urgency(ntk);
3064 tb->focused = ntk;
3065 task_button_redraw(ntk, tb);
3066 }
3067 }
3068
3069 /* Determine if the "urgency" hint is set on a window. */
3070 static gboolean task_has_urgency(Task * tk)
3071 {
3072 gboolean result = FALSE;
3073 XWMHints * hints = (XWMHints *) get_xaproperty(tk->win, XA_WM_HINTS, XA_WM_HINTS, 0);
3074 if (hints != NULL)
3075 {
3076 if (hints->flags & XUrgencyHint)
3077 result = TRUE;
3078 XFree(hints);
3079 }
3080 return result;
3081 }
3082
3083 /* Handle PropertyNotify event.
3084 * http://tronche.com/gui/x/icccm/
3085 * http://standards.freedesktop.org/wm-spec/wm-spec-1.4.html */
3086 static void taskbar_property_notify_event(LaunchTaskBarPlugin *tb, XEvent *ev)
3087 {
3088 /* State may be PropertyNewValue, PropertyDeleted. */
3089 if (((XPropertyEvent*) ev)->state == PropertyNewValue)
3090 {
3091 Atom at = ev->xproperty.atom;
3092 Window win = ev->xproperty.window;
3093 if (win != GDK_ROOT_WINDOW())
3094 {
3095 /* Look up task structure by X window handle. */
3096 Task * tk = task_lookup(tb, win);
3097 if (tk != NULL)
3098 {
3099 /* Install an error handler that ignores BadWindow.
3100 * We frequently get a PropertyNotify event on deleted windows. */
3101 XErrorHandler previous_error_handler = XSetErrorHandler(panel_handle_x_error_swallow_BadWindow_BadDrawable);
3102
3103 /* Dispatch on atom. */
3104 if (at == a_NET_WM_DESKTOP)
3105 {
3106 /* Window changed desktop. */
3107 tk->desktop = get_net_wm_desktop(win);
3108 taskbar_redraw(tb);
3109 }
3110 else if ((at == XA_WM_NAME) || (at == a_NET_WM_NAME) || (at == a_NET_WM_VISIBLE_NAME))
3111 {
3112 /* Window changed name. */
3113 task_set_names(tk, at);
3114 if (tk->p_taskclass != NULL)
3115 {
3116 /* A change to the window name may change the visible name of the class. */
3117 recompute_group_visibility_for_class(tb, tk->p_taskclass);
3118 if (tk->p_taskclass->p_task_visible != NULL)
3119 task_draw_label(tk->p_taskclass->p_task_visible);
3120 }
3121 }
3122 else if (at == XA_WM_CLASS)
3123 {
3124 /* Window changed class. */
3125 task_set_class(tk);
3126 taskbar_redraw(tb);
3127 }
3128 else if (at == a_WM_STATE)
3129 {
3130 /* Window changed state. */
3131 tk->iconified = (get_wm_state(win) == IconicState);
3132 task_draw_label(tk);
3133 }
3134 else if (at == XA_WM_HINTS)
3135 {
3136 /* Window changed "window manager hints".
3137 * Some windows set their WM_HINTS icon after mapping. */
3138 GdkPixbuf * pixbuf = task_update_icon(tb, tk, XA_WM_HINTS);
3139 if (pixbuf != NULL)
3140 {
3141 gtk_image_set_from_pixbuf(GTK_IMAGE(tk->image), pixbuf);
3142 g_object_unref(pixbuf);
3143 }
3144
3145 if (tb->use_urgency_hint)
3146 {
3147 tk->urgency = task_has_urgency(tk);
3148 if (tk->urgency && !tk->focused)
3149 task_set_urgency(tk);
3150 else
3151 task_clear_urgency(tk);
3152 }
3153 }
3154 else if (at == a_NET_WM_STATE)
3155 {
3156 /* Window changed EWMH state. */
3157 NetWMState nws;
3158 get_net_wm_state(tk->win, &nws);
3159 if ( ! accept_net_wm_state(&nws))
3160 {
3161 task_delete(tb, tk, TRUE, TRUE);
3162 taskbar_redraw(tb);
3163 }
3164 }
3165 else if (at == a_NET_WM_ICON)
3166 {
3167 /* Window changed EWMH icon. */
3168 GdkPixbuf * pixbuf = task_update_icon(tb, tk, a_NET_WM_ICON);
3169 if (pixbuf != NULL)
3170 {
3171 gtk_image_set_from_pixbuf(GTK_IMAGE(tk->image), pixbuf);
3172 g_object_unref(pixbuf);
3173 }
3174 }
3175 else if (at == a_NET_WM_WINDOW_TYPE)
3176 {
3177 /* Window changed EWMH window type. */
3178 NetWMWindowType nwwt;
3179 get_net_wm_window_type(tk->win, &nwwt);
3180 if ( ! accept_net_wm_window_type(&nwwt))
3181 {
3182 task_delete(tb, tk, TRUE, TRUE);
3183 taskbar_redraw(tb);
3184 }
3185 }
3186 XSetErrorHandler(previous_error_handler);
3187 }
3188 }
3189 }
3190 }
3191
3192 /* Handle ConfigureNotify events */
3193 static void taskbar_configure_notify_event(LaunchTaskBarPlugin * tb, XConfigureEvent * ev)
3194 {
3195 /* If the same_monitor_only option is set and the window is on a different
3196 monitor than before, redraw the taskbar */
3197 Task *task;
3198 gint m;
3199 if(tb->same_monitor_only && ev->window != GDK_ROOT_WINDOW())
3200 {
3201 task = task_lookup(tb, ev->window);
3202 if(task)
3203 {
3204 /* Deleted windows seem to get ConfigureNotify events too. */
3205 XErrorHandler previous_error_handler = XSetErrorHandler(panel_handle_x_error_swallow_BadWindow_BadDrawable);
3206
3207 m = get_window_monitor(task->win);
3208 if(m != task->monitor)
3209 {
3210 task->monitor = m;
3211 taskbar_redraw(tb);
3212 }
3213
3214 XSetErrorHandler(previous_error_handler);
3215 }
3216 }
3217 }
3218
3219 /* GDK event filter. */
3220 static GdkFilterReturn taskbar_event_filter(XEvent * xev, GdkEvent * event, LaunchTaskBarPlugin * tb)
3221 {
3222 LaunchTaskBarPlugin *ltbp = tb;
3223 if(ltbp->mode == LAUNCHBAR) return GDK_FILTER_CONTINUE;
3224
3225 if (xev->type == PropertyNotify)
3226 taskbar_property_notify_event(tb, xev);
3227 else if (xev->type == ConfigureNotify)
3228 taskbar_configure_notify_event(tb, &xev->xconfigure);
3229
3230 return GDK_FILTER_CONTINUE;
3231 }
3232
3233 /* Handler for "activate" event on Raise item of right-click menu for task buttons. */
3234 static void menu_raise_window(GtkWidget * widget, LaunchTaskBarPlugin * tb)
3235 {
3236 if ((tb->menutask->desktop != ALL_WORKSPACES) && (tb->menutask->desktop != tb->current_desktop))
3237 Xclimsg(GDK_ROOT_WINDOW(), a_NET_CURRENT_DESKTOP, tb->menutask->desktop, 0, 0, 0, 0);
3238 XMapRaised(GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), tb->menutask->win);
3239 task_group_menu_destroy(tb);
3240 }
3241
3242 /* Handler for "activate" event on Restore item of right-click menu for task buttons. */
3243 static void menu_restore_window(GtkWidget * widget, LaunchTaskBarPlugin * tb)
3244 {
3245 #if GTK_CHECK_VERSION(2, 24, 0)
3246 GdkWindow * win = gdk_x11_window_foreign_new_for_display(gdk_display_get_default(),
3247 tb->menutask->win);
3248 #else
3249 GdkWindow * win = gdk_window_foreign_new(tb->menutask->win);
3250 #endif
3251
3252 gdk_window_unmaximize(win);
3253 g_object_unref(win);
3254 task_group_menu_destroy(tb);
3255 }
3256
3257 /* Handler for "activate" event on Maximize item of right-click menu for task buttons. */
3258 static void menu_maximize_window(GtkWidget * widget, LaunchTaskBarPlugin * tb)
3259 {
3260 #if GTK_CHECK_VERSION(2, 24, 0)
3261 GdkWindow * win = gdk_x11_window_foreign_new_for_display(gdk_display_get_default(),
3262 tb->menutask->win);
3263 #else
3264 GdkWindow * win = gdk_window_foreign_new(tb->menutask->win);
3265 #endif
3266
3267 gdk_window_maximize(win);
3268 g_object_unref(win);
3269 task_group_menu_destroy(tb);
3270 }
3271
3272 /* Handler for "activate" event on Iconify item of right-click menu for task buttons. */
3273 static void menu_iconify_window(GtkWidget * widget, LaunchTaskBarPlugin * tb)
3274 {
3275 Display *xdisplay = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
3276 XIconifyWindow(xdisplay, tb->menutask->win, DefaultScreen(xdisplay));
3277 task_group_menu_destroy(tb);
3278 }
3279
3280 /* Handler for "activate" event on Move to Workspace item of right-click menu for task buttons. */
3281 static void menu_move_to_workspace(GtkWidget * widget, LaunchTaskBarPlugin * tb)
3282 {
3283 int num = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "num"));
3284 Xclimsg(tb->menutask->win, a_NET_WM_DESKTOP, num, 0, 0, 0, 0);
3285 task_group_menu_destroy(tb);
3286 }
3287
3288 /* Handler for "activate" event on Close item of right-click menu for task buttons. */
3289 static void menu_close_window(GtkWidget * widget, LaunchTaskBarPlugin * tb)
3290 {
3291 Xclimsgwm(tb->menutask->win, a_WM_PROTOCOLS, a_WM_DELETE_WINDOW);
3292 task_group_menu_destroy(tb);
3293 }
3294
3295 #ifndef DISABLE_MENU
3296 static void on_menuitem_lock_tbp_clicked(GtkWidget * widget, LaunchTaskBarPlugin * tb)
3297 {
3298 FmFileInfo *fi = f_find_menu_launchbutton_recursive(tb->menutask->exec_bin);
3299 LaunchButton *btn;
3300 char *path;
3301
3302 if (fi)
3303 {
3304 /* Create a button and add settings for it */
3305 btn = launchbutton_for_file_info(tb, fi);
3306 path = fm_path_to_str(fm_file_info_get_path(fi));
3307 /* g_debug("*** path '%s'",path); */
3308 btn->settings = config_group_add_subgroup(tb->settings, "Button");
3309 config_group_set_string(btn->settings, "id", path);
3310 g_free(path);
3311 lxpanel_config_save(tb->panel);
3312 }
3313 }
3314
3315 static void on_menuitem_unlock_tbp_clicked(GtkWidget * widget, LaunchTaskBarPlugin * tb)
3316 {
3317 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)tb;
3318 FmFileInfo *fi = f_find_menu_launchbutton_recursive(tb->menutask->exec_bin);
3319 LaunchButton *btn = launchbar_exec_bin_exists(ltbp, fi);
3320 if(btn != NULL)
3321 {
3322 launchbar_remove_button(ltbp, btn);
3323 lxpanel_config_save(tb->panel);
3324 }
3325 if (fi)
3326 fm_file_info_unref(fi);
3327 }
3328
3329 static void on_menuitem_new_instance_clicked(GtkWidget * widget, LaunchTaskBarPlugin * tb)
3330 {
3331 FmFileInfo *fi = f_find_menu_launchbutton_recursive(tb->menutask->exec_bin);
3332
3333 if (fi)
3334 {
3335 lxpanel_launch_path(tb->panel, fm_file_info_get_path(fi));
3336 fm_file_info_unref(fi);
3337 }
3338 }
3339 #endif
3340
3341 /* Make right-click menu for task buttons.
3342 * This depends on number of desktops and edge. */
3343 static void taskbar_make_menu(LaunchTaskBarPlugin * tb)
3344 {
3345 void (*_m_add)(GtkMenuShell *self, GtkWidget* child);
3346
3347 /* Deallocate old menu if present. */
3348 if (tb->menu != NULL)
3349 gtk_widget_destroy(tb->menu);
3350
3351 /* Allocate menu. */
3352 GtkWidget * menu = gtk_menu_new();
3353
3354 /* Add Raise menu item. */
3355 GtkWidget *mi = gtk_menu_item_new_with_mnemonic(_("_Raise"));
3356 gtk_menu_shell_append(GTK_MENU_SHELL(menu), mi);
3357 g_signal_connect(G_OBJECT(mi), "activate", (GCallback) menu_raise_window, tb);
3358
3359 /* Add Restore menu item. */
3360 mi = gtk_menu_item_new_with_mnemonic(_("R_estore"));
3361 gtk_menu_shell_append(GTK_MENU_SHELL(menu), mi);
3362 g_signal_connect(G_OBJECT(mi), "activate", (GCallback) menu_restore_window, tb);
3363
3364 /* Add Maximize menu item. */
3365 mi = gtk_menu_item_new_with_mnemonic(_("Ma_ximize"));
3366 gtk_menu_shell_append(GTK_MENU_SHELL(menu), mi);
3367 g_signal_connect(G_OBJECT(mi), "activate", (GCallback) menu_maximize_window, tb);
3368
3369 /* Add Iconify menu item. */
3370 mi = gtk_menu_item_new_with_mnemonic(_("Ico_nify"));
3371 gtk_menu_shell_append(GTK_MENU_SHELL(menu), mi);
3372 g_signal_connect(G_OBJECT(mi), "activate", (GCallback) menu_iconify_window, tb);
3373
3374 /* FIXME: if WM is Openbox then add "Window special parameters" submenu */
3375
3376 /* If multiple desktops are supported, add menu items to select them. */
3377 if (tb->number_of_desktops > 1)
3378 {
3379 char label[128];
3380
3381 /* Allocate submenu. */
3382 GtkWidget * workspace_menu = gtk_menu_new();
3383
3384 /* Loop over all desktops. */
3385 int i;
3386 for (i = 1; i <= tb->number_of_desktops; i++)
3387 {
3388 /* For the first 9 desktops, allow the desktop number as a keyboard shortcut. */
3389 if (i <= 9)
3390 {
3391 g_snprintf(label, sizeof(label), _("Workspace _%d"), i);
3392 mi = gtk_menu_item_new_with_mnemonic(label);
3393 }
3394 else
3395 {
3396 g_snprintf(label, sizeof(label), _("Workspace %d"), i);
3397 mi = gtk_menu_item_new_with_label(label);
3398 }
3399
3400 /* Set the desktop number as a property on the menu item. */
3401 g_object_set_data(G_OBJECT(mi), "num", GINT_TO_POINTER(i - 1));
3402 g_signal_connect(mi, "activate", G_CALLBACK(menu_move_to_workspace), tb);
3403 gtk_menu_shell_append(GTK_MENU_SHELL(workspace_menu), mi);
3404 if (G_UNLIKELY(tb->workspace_menu0 == NULL))
3405 tb->workspace_menu0 = mi;
3406 }
3407
3408 /* Add a separator. */
3409 gtk_menu_shell_append(GTK_MENU_SHELL(workspace_menu), gtk_separator_menu_item_new());
3410
3411 /* Add "move to all workspaces" item. This causes the window to be visible no matter what desktop is active. */
3412 mi = gtk_menu_item_new_with_mnemonic(_("_All workspaces"));
3413 g_object_set_data(G_OBJECT(mi), "num", GINT_TO_POINTER(ALL_WORKSPACES));
3414 g_signal_connect(mi, "activate", G_CALLBACK(menu_move_to_workspace), tb);
3415 gtk_menu_shell_append(GTK_MENU_SHELL(workspace_menu), mi);
3416
3417 /* FIXME: add "Current workspace" item, active if not on a current */
3418
3419 /* Add Move to Workspace menu item as a submenu. */
3420 mi = gtk_menu_item_new_with_mnemonic(_("_Move to Workspace"));
3421 gtk_menu_shell_append(GTK_MENU_SHELL(menu), mi);
3422 gtk_menu_item_set_submenu(GTK_MENU_ITEM(mi), workspace_menu);
3423 }
3424
3425 /* Add Close menu item. By popular demand, we place this menu item closest to the cursor. */
3426 mi = gtk_menu_item_new_with_mnemonic (_("_Close Window"));
3427 #ifndef DISABLE_MENU
3428 tb->p_menuitem_lock_tbp = gtk_menu_item_new_with_mnemonic(_("A_dd to Launcher"));
3429 tb->p_menuitem_unlock_tbp = gtk_menu_item_new_with_mnemonic(_("Rem_ove from Launcher"));
3430 tb->p_menuitem_new_instance = gtk_menu_item_new_with_mnemonic(_("_New Instance"));
3431 tb->p_menuitem_separator = gtk_separator_menu_item_new();
3432 #endif
3433