Use gtk_widget_destroy() instead of gtk_container_remove() if possible.
[lxde/lxpanel.git] / src / 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 //#define DEBUG_WITH_GPRINTS // killall lxpanel && lxpanel --profile Lubuntu &
33
34 #ifdef HAVE_CONFIG_H
35 #include <config.h>
36 #endif
37
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <unistd.h>
42 #include <sys/types.h>
43 #include <sys/wait.h>
44 #include <signal.h>
45 #include <errno.h>
46 #include <X11/Xlib.h>
47 #include <X11/Xutil.h>
48
49 #include <gdk-pixbuf/gdk-pixbuf.h>
50 #include <gdk-pixbuf-xlib/gdk-pixbuf-xlib.h>
51 #include <gdk/gdk.h>
52 #include <glib/gi18n.h>
53
54 #include <libfm/fm-gtk.h>
55
56 #include "misc.h"
57 #include "ev.h"
58 #include "plugin.h"
59 #include "icon.xpm"
60 #include "icon-grid.h"
61 #ifndef DISABLE_MENU
62 # include "menu-policy.h"
63 #endif
64
65 #include "dbg.h" /* for ERR macro. FIXME: is it required? */
66
67
68 #define PANEL_ICON_SIZE 24 /* see the private.h */
69
70 /* Column definitions for configuration dialogs. */
71 enum {
72 COL_ICON,
73 COL_TITLE,
74 COL_ICON_NAME,
75 COL_BTN,
76 N_COLS
77 };
78
79 typedef enum {
80 LAUNCHBAR = 0, /* GtkComboBox is 0-indexed. */
81 TASKBAR,
82 LAUNCHTASKBAR
83 } LtbMode;
84
85 typedef struct LaunchTaskBarPlugin LaunchTaskBarPlugin;
86
87 /* Structure representing a class. This comes from WM_CLASS, and should identify windows that come from an application. */
88 typedef struct _task_class {
89 struct _task_class *p_taskclass_flink; /* Forward link */
90 char * res_class; /* Class name */
91 struct _task * p_task_head; /* Head of list of tasks with this class */
92 struct _task * p_task_visible; /* Task that is visible in current desktop, if any */
93 char * visible_name; /* Name that will be visible for grouped tasks */
94 int visible_count; /* Count of tasks that are visible in current desktop */
95 } TaskClass;
96
97 /* Structure representing a "task", an open window. */
98 typedef struct _task {
99 struct _task * p_task_flink_xwid; /* Forward link to next task in X window ID order */
100 LaunchTaskBarPlugin * tb; /* Back pointer to plugin */
101 Window win; /* X window ID */
102 char * name; /* Taskbar label when normal, from WM_NAME or NET_WM_NAME */
103 char * name_iconified; /* Taskbar label when iconified */
104 char * exec_bin; /* Exec bin associated to Window */
105 Atom name_source; /* Atom that is the source of taskbar label */
106 TaskClass * p_taskclass; /* Class, from WM_CLASS */
107 struct _task * p_task_flink_same_class; /* Forward link to task in same class */
108 GtkWidget * button; /* Button representing task in taskbar */
109 GtkWidget * image; /* Icon for task, child of button */
110 Atom image_source; /* Atom that is the source of taskbar icon */
111 GtkWidget * label; /* Label for task, child of button */
112 int 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;
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 GtkWidget * image_widget; /* Pointer to image */
130 FmFileInfo * fi; /* Launcher application descriptor */
131 config_setting_t * settings; /* Pointer to settings */
132 FmDndDest * dd; /* Drag and drop support */
133 } LaunchButton;
134
135 /* Private context for taskbar plugin. */
136 struct LaunchTaskBarPlugin {
137 /* LAUNCHBAR */
138 GtkWidget *lb_icon_grid; /* Icon grid managing the container */
139 GSList *buttons; /* Launchbar buttons */
140 LaunchButton *bootstrap_button; /* Bootstrapping button for empty launchtaskbar */
141 FmIcon * add_icon; /* Icon for bootstrap_button */
142 GtkWidget *p_button_add, *p_button_remove, *p_label_menu_app_exec, *p_label_def_app_exec;
143 /* TASKBAR */
144 Task * p_task_list; /* List of tasks to be displayed in taskbar */
145 TaskClass * p_taskclass_list; /* Window class list */
146 GtkWidget * tb_icon_grid; /* Manager for taskbar buttons */
147 GtkWidget * menu; /* Popup menu for task control (Close, Raise, etc.) */
148 GtkWidget * group_menu; /* Popup menu for grouping selection */
149 GtkWidget * workspace_menu0; /* "Workspace 1" menu item */
150 GdkPixbuf * fallback_pixbuf; /* Fallback task icon when none is available */
151 int number_of_desktops; /* Number of desktops, from NET_WM_NUMBER_OF_DESKTOPS */
152 int current_desktop; /* Current desktop, from NET_WM_CURRENT_DESKTOP */
153 Task * focused; /* Task that has focus */
154 Task * focused_previous; /* Task that had focus just before panel got it */
155 Task * menutask; /* Task for which popup menu is open */
156 guint dnd_delay_timer; /* Timer for drag and drop delay */
157 int icon_size; /* Size of task icons */
158 gboolean show_all_desks; /* User preference: show windows from all desktops */
159 gboolean tooltips; /* User preference: show tooltips */
160 gboolean icons_only; /* User preference: show icons only, omit name */
161 gboolean use_mouse_wheel; /* User preference: scroll wheel does iconify and raise */
162 gboolean use_urgency_hint; /* User preference: windows with urgency will flash */
163 gboolean flat_button; /* User preference: taskbar buttons have visible background */
164 gboolean grouped_tasks; /* User preference: windows from same task are grouped onto a single button */
165 gboolean same_monitor_only; /* User preference: only show windows that are in the same monitor as the taskbar */
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 Panel * 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 ERR("ltbp: popen '%s'\n", command);
238 else if(fgets(buffer_128, 128, pipe) == NULL)
239 ERR("ltbp: fgets '%s'\n", 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 apps = menu_cache_list_all_apps(mc);
264 short_exec = strrchr(exec_bin, '/');
265 if (short_exec != NULL)
266 short_exec++;
267 else
268 short_exec = exec_bin;
269 len = strlen(short_exec);
270 /* the same executable may be used in numerous applications so wild guess
271 estimation check for desktop id equal to short_exec+".desktop" first */
272 for (l = apps; l; l = l->next)
273 {
274 exec = menu_cache_item_get_id(MENU_CACHE_ITEM(l->data));
275 /* we don't check flags here because user always can manually
276 start any app that isn't visible in the desktop menu */
277 if (strncmp(exec, short_exec, len) == 0 && exec[len] == '.')
278 break;
279 }
280 /* if not found then check for non-absolute exec name in application
281 since it usually is expanded by application starting functions */
282 if (l == NULL) for (l = apps; l; l = l->next)
283 {
284 exec = menu_cache_app_get_exec(MENU_CACHE_APP(l->data));
285 if (exec[0] != '/' && strncmp(exec, short_exec, len) == 0 &&
286 (exec[len] == ' ' || exec[len] == 0))
287 break;
288 }
289 /* well, not matched, let try full path, we assume here if application
290 starts executable by full path then process cannot have short name */
291 if (l == NULL && exec_bin[0] == '/')
292 {
293 len = strlen(exec_bin);
294 for (l = apps; l; l = l->next)
295 {
296 exec = menu_cache_app_get_exec(MENU_CACHE_APP(l->data));
297 if (exec[0] == '/' && strncmp(exec, exec_bin, len) == 0 &&
298 (exec[len] == ' ' || exec[len] == 0))
299 break;
300 }
301 }
302 if (l)
303 {
304 str_path = menu_cache_dir_make_path(MENU_CACHE_DIR(l->data));
305 path = fm_path_new_relative(fm_path_get_apps_menu(), str_path+13); /* skip /Applications */
306 g_free(str_path);
307 job = fm_file_info_job_new(NULL, FM_FILE_INFO_JOB_NONE);
308 fm_file_info_job_add(job, path);
309 fm_path_unref(path);
310 if (!fm_job_run_sync(FM_JOB(job)))
311 g_warning("launchtaskbar: problem running file info job");
312 else
313 fi = fm_file_info_list_pop_head(job->file_infos);
314 g_object_unref(job);
315 }
316 g_slist_foreach(apps, (GFunc)menu_cache_item_unref, NULL);
317 g_slist_free(apps);
318 menu_cache_unref(mc);
319 g_debug("f_find_menu_launchbutton_recursive: search '%s' found=%d", exec_bin, (fi != NULL));
320 return fi;
321 }
322 #endif
323
324 /* Deallocate a LaunchButton. */
325 static void launchbutton_free(LaunchButton * btn)
326 {
327 if (btn->fi)
328 fm_file_info_unref(btn->fi);
329 if (btn->dd)
330 g_object_unref(btn->dd);
331 g_free(btn);
332 }
333
334 /* Handler for "button-press-event" event from launchtaskbar button. */
335 static gboolean launchbutton_press_event(GtkWidget * widget, GdkEventButton * event, LaunchButton * b)
336 {
337 /* Standard right-click handling. */
338 if (lxpanel_plugin_button_press_event(b->p->plugin, event, b->p->panel))
339 return TRUE;
340
341 if (event->button == 1 && event->type == GDK_BUTTON_PRESS) /* left button */
342 {
343 if (b->fi == NULL) /* The bootstrap button */
344 lxpanel_plugin_show_config_dialog(b->p->plugin);
345 else
346 lxpanel_launch_path(b->p->panel, fm_file_info_get_path(b->fi));
347 }
348 return TRUE;
349 }
350
351 /* Handler for "drag-motion" event from launchtaskbar button. */
352 static gboolean launchbutton_drag_motion_event(
353 GtkWidget * widget,
354 GdkDragContext * context,
355 gint x,
356 gint y,
357 guint time,
358 LaunchButton * b)
359 {
360 GdkAtom target;
361 GdkDragAction action = 0;
362
363 fm_dnd_dest_set_dest_file(b->dd, b->fi);
364 target = fm_dnd_dest_find_target(b->dd, context);
365 if (target != GDK_NONE && fm_dnd_dest_is_target_supported(b->dd, target))
366 action = fm_dnd_dest_get_default_action(b->dd, context, target);
367 gdk_drag_status(context, action, time);
368 /* g_debug("launchbutton_drag_motion_event: act=%u",action); */
369 return (action != 0);
370 }
371
372 /* Build the graphic elements for the bootstrap launchtaskbar button. */
373 static void launchbutton_build_bootstrap(LaunchTaskBarPlugin *lb)
374 {
375 if(lb->bootstrap_button == NULL)
376 {
377 GdkPixbuf * icon;
378 /* Build a button that has the stock "Add" icon.
379 * The "desktop-id" being NULL is the marker that this is the bootstrap button. */
380 lb->bootstrap_button = g_new0(LaunchButton, 1);
381 lb->bootstrap_button->p = lb;
382
383 /* Create an event box. */
384 GtkWidget * event_box = gtk_event_box_new();
385 gtk_container_set_border_width(GTK_CONTAINER(event_box), 0);
386 gtk_widget_set_can_focus (event_box, FALSE);
387 lb->bootstrap_button->widget = event_box;
388 g_signal_connect(event_box, "button-press-event", G_CALLBACK(launchbutton_press_event), lb->bootstrap_button);
389
390 /* Create an image containing the stock "Add" icon as a child of the event box. */
391 lb->add_icon = fm_icon_from_name(GTK_STOCK_ADD);
392 icon = fm_pixbuf_from_icon(lb->add_icon, lb->icon_size);
393 lb->bootstrap_button->image_widget = gtk_image_new_from_pixbuf(icon);
394 g_object_unref(icon);
395 gtk_misc_set_padding(GTK_MISC(lb->bootstrap_button->image_widget), 0, 0);
396 gtk_misc_set_alignment(GTK_MISC(lb->bootstrap_button->image_widget), 0, 0);
397 gtk_container_add(GTK_CONTAINER(event_box), lb->bootstrap_button->image_widget);
398
399 /* Add the bootstrap button to the icon grid. By policy it is empty at this point. */
400 gtk_container_add(GTK_CONTAINER(lb->lb_icon_grid), event_box);
401 gtk_widget_show(event_box);
402 }
403 else
404 gtk_widget_show(lb->bootstrap_button->widget);
405 }
406
407 #ifndef DISABLE_MENU
408 static LaunchButton *launchbar_exec_bin_exists(LaunchTaskBarPlugin *lb, FmFileInfo *fi)
409 {
410 LaunchButton *ret_val = NULL;
411 FmPath *path;
412 GSList* l;
413
414 if (!fi)
415 return NULL;
416 path = fm_file_info_get_path(fi);
417 for(l = lb->buttons; l != NULL; l = l->next)
418 {
419 LaunchButton *btn = (LaunchButton *)l->data;
420 if (btn->fi && fm_path_equal(path, fm_file_info_get_path(btn->fi)))
421 {
422 ret_val = btn;
423 break;
424 }
425 }
426 return ret_val;
427 }
428 #endif
429
430 static void launchbar_update_after_taskbar_class_added(LaunchTaskBarPlugin *ltbp, Task *tk)
431 {
432 GPid pid = get_net_wm_pid(tk->win);
433 gchar exec_bin_full[128];
434 f_get_exec_cmd_from_pid(pid, exec_bin_full, "cmdline");
435 gchar *p_char = strrchr(exec_bin_full, '/');
436 if(p_char == NULL) p_char = exec_bin_full;
437 else p_char++;
438 g_free(tk->exec_bin);
439 if(strcmp(p_char, "python") == 0)
440 {
441 f_get_exec_cmd_from_pid(pid, exec_bin_full, "comm");
442 }
443 else
444 {
445 tk->exec_bin = g_key_file_get_string(ltbp->p_key_file_special_cases,
446 "special_cases", p_char, NULL);
447 if (tk->exec_bin != NULL) /* found this key */
448 return;
449 }
450 tk->exec_bin = g_strdup(exec_bin_full);
451
452 #ifdef DEBUG_WITH_GPRINTS
453 if(ltbp->mode == LAUNCHTASKBAR)
454 {
455 FmFileInfo *fi = f_find_menu_launchbutton_recursive(tk->exec_bin);
456 LaunchButton *btn = launchbar_exec_bin_exists(ltbp, fi);
457 g_print("\nTB '%s' OPEN (pid=%u), in LB: %c\n",
458 tk->exec_bin, pid, btn != NULL ? 'Y':'N');
459 if (fi)
460 fm_file_info_unref(fi);
461 }
462 #endif
463 }
464
465 static void launchbar_update_after_taskbar_class_removed(LaunchTaskBarPlugin *ltbp, Task *tk)
466 {
467 #ifdef DEBUG_WITH_GPRINTS
468 if(ltbp->mode == LAUNCHTASKBAR)
469 {
470 FmFileInfo *fi = f_find_menu_launchbutton_recursive(tk->exec_bin);
471 LaunchButton *btn = launchbar_exec_bin_exists(ltbp, fi);
472 g_print("\nTB '%s' CLOSE, in LB: %c\n", tk->exec_bin, btn != NULL ? 'Y':'N');
473 if (fi)
474 fm_file_info_unref(fi);
475 }
476 #endif
477 }
478
479 /* Build the graphic elements for a launchtaskbar button. The desktop_id field is already established. */
480 /* NOTE: this func consumes reference on fi */
481 static LaunchButton *launchbutton_for_file_info(LaunchTaskBarPlugin * lb, FmFileInfo * fi)
482 {
483 LaunchButton *btn;
484 GtkWidget *button;
485
486 if (fi == NULL)
487 {
488 g_warning("launchbar: desktop entry does not exist\n");
489 return NULL;
490 }
491
492 /* Allocate the LaunchButton structure. */
493 btn = g_new0(LaunchButton, 1);
494 btn->p = lb;
495 btn->fi = fi;
496
497 /* Create a button with the specified icon. */
498 button = lxpanel_button_new_for_fm_icon(lb->panel, fm_file_info_get_icon(fi),
499 NULL, NULL);
500 btn->widget = button;
501 gtk_widget_set_can_focus(button, FALSE);
502
503 gtk_widget_set_tooltip_text(button, fm_file_info_get_disp_name(fi));
504
505 /* Add the button to the icon grid. */
506 gtk_container_add(GTK_CONTAINER(lb->lb_icon_grid), button);
507
508 /* Drag and drop support. */
509 btn->dd = fm_dnd_dest_new_with_handlers(button);
510
511 /* Connect signals. */
512 g_signal_connect(button, "button-press-event", G_CALLBACK(launchbutton_press_event), (gpointer) btn);
513 g_signal_connect(button, "drag-motion", G_CALLBACK(launchbutton_drag_motion_event), btn);
514
515 /* If the list goes from null to non-null, remove the bootstrap button. */
516 if ((lb->buttons == NULL) && (lb->bootstrap_button != NULL))
517 gtk_widget_hide(lb->bootstrap_button->widget);
518
519 /* Append at end of list to preserve configured order. */
520 lb->buttons = g_slist_append(lb->buttons, btn);
521
522 /* Show the widget and return. */
523 gtk_widget_show(button);
524 plugin_widget_set_background(button, lb->panel);
525 return btn;
526 }
527
528 static LaunchButton *launchbutton_build_gui(LaunchTaskBarPlugin * lb, FmPath * id)
529 {
530 /* Try to get the file data */
531 FmFileInfoJob *job = fm_file_info_job_new(NULL, FM_FILE_INFO_JOB_NONE);
532 FmFileInfo *fi;
533
534 fm_file_info_job_add(job, id);
535 if (!fm_job_run_sync(FM_JOB(job)))
536 {
537 g_warning("launchbar: problem running file info job\n");
538 g_object_unref(job);
539 return NULL;
540 }
541 fi = fm_file_info_list_pop_head(job->file_infos);
542 g_object_unref(job);
543 return launchbutton_for_file_info(lb, fi);
544 }
545
546 static LaunchButton *launchbutton_search_and_build_gui(LaunchTaskBarPlugin * lb, FmPath * id)
547 {
548 FmDirListJob *job = fm_dir_list_job_new2(id, FM_DIR_LIST_JOB_FAST);
549 FmFileInfo *fi;
550
551 if (!fm_job_run_sync(FM_JOB(job)))
552 {
553 g_warning("launchbar: problem running file search job\n");
554 g_object_unref(job);
555 return NULL;
556 }
557 fi = fm_file_info_list_pop_head(job->files);
558 g_object_unref(job);
559 return launchbutton_for_file_info(lb, fi);
560 }
561
562 /* Read the configuration file entry for a launchtaskbar button and create it. */
563 static gboolean launchbutton_constructor(LaunchTaskBarPlugin * lb, config_setting_t * s)
564 {
565 LaunchButton *btn = NULL;
566 const char *str;
567 char *str_path = NULL;
568 FmPath *path;
569
570 /* Read parameters from the configuration file and validate. */
571 if (!config_setting_lookup_string(s, "id", &str) || str[0] == '\0')
572 return FALSE;
573
574 /* Build the structures and return. */
575 if (str[0] == '~')
576 {
577 str_path = expand_tilda(str);
578 path = fm_path_new_for_path(str_path);
579 btn = launchbutton_build_gui(lb, path);
580 }
581 else if (strchr(str, '/') != NULL)
582 {
583 path = fm_path_new_for_str(str);
584 /* FIXME: check if str contains invalid path */
585 btn = launchbutton_build_gui(lb, path);
586 }
587 else
588 {
589 str_path = g_strdup_printf("search://menu://applications/?recursive=1&show_hidden=1&name=%s", str);
590 path = fm_path_new_for_uri(str_path);
591 btn = launchbutton_search_and_build_gui(lb, path);
592 }
593 g_free(str_path);
594 fm_path_unref(path);
595 if (btn)
596 btn->settings = s;
597 return (btn != NULL);
598 }
599
600 /* prototype of this is app_info_create_from_commandline() in libfm */
601 static gboolean _launchbutton_create_id(LaunchTaskBarPlugin * lb, config_setting_t * s)
602 {
603 const char *icon = NULL, *name, *exec, *path = NULL;
604 char *dirname, *filename;
605 int fd, terminal = 0;
606 gboolean ret = FALSE;
607
608 if (!config_setting_lookup_string(s, "action", &exec) || exec[0] == '\0')
609 return FALSE;
610 if (!config_setting_lookup_string(s, "tooltip", &name) || name[0] == '\0')
611 name = "Launcher"; /* placeholder, XDG requires a non-empty name */
612 config_setting_lookup_string(s, "image", &icon);
613 config_setting_lookup_string(s, "path", &path);
614 config_setting_lookup_int(s, "terminal", &terminal);
615
616 dirname = g_build_filename(g_get_user_data_dir(), "applications", NULL);
617 if (g_mkdir_with_parents(dirname, 0700) == 0)
618 {
619 filename = g_strdup_printf("%s/lxpanel-launcher-XXXXXX.desktop", dirname);
620 fd = g_mkstemp (filename);
621 if (fd != -1)
622 {
623 GString* content = g_string_sized_new(256);
624
625 g_string_printf(content,
626 "[" G_KEY_FILE_DESKTOP_GROUP "]\n"
627 G_KEY_FILE_DESKTOP_KEY_TYPE "=" G_KEY_FILE_DESKTOP_TYPE_APPLICATION "\n"
628 G_KEY_FILE_DESKTOP_KEY_NAME "=%s\n"
629 G_KEY_FILE_DESKTOP_KEY_EXEC "=%s\n"
630 G_KEY_FILE_DESKTOP_KEY_CATEGORIES "=X-LXPanel;\n",
631 name, exec);
632 if (icon)
633 g_string_append_printf(content, "Icon=%s\n", icon);
634 if (terminal)
635 g_string_append(content, G_KEY_FILE_DESKTOP_KEY_TERMINAL "=true\n");
636 if (path && path[0] == '/')
637 g_string_append_printf(content, "Path=%s\n", path);
638 close(fd);
639 ret = g_file_set_contents(filename, content->str, content->len, NULL);
640 if (ret) {
641 config_group_set_string(s, "id", filename);
642 /* FIXME: is it reasonable to remove obsolete keys too? */
643 panel_config_save(lb->panel);
644 } else
645 g_unlink(filename);
646 g_string_free(content, TRUE);
647 }
648 g_free(filename);
649 }
650 g_free(dirname);
651 if (ret) /* we created it, let use it */
652 return launchbutton_constructor(lb, s);
653 return FALSE;
654 }
655
656 static void launchtaskbar_constructor_add_default_special_case(LaunchTaskBarPlugin *ltbp, const gchar *tk_exec, const gchar *mb_exec)
657 {
658 g_key_file_set_value(ltbp->p_key_file_special_cases, "special_cases", tk_exec, mb_exec);
659 }
660
661 static void launchtaskbar_constructor_launch(LaunchTaskBarPlugin *ltbp, gboolean build_bootstrap)
662 {
663 config_setting_t *settings;
664
665 if(!ltbp->lb_built)
666 {
667 ltbp->lb_built = TRUE;
668 /* Read parameters from the configuration file. */
669 settings = config_setting_get_member(ltbp->settings, "");
670 if (settings && config_setting_is_list(settings))
671 {
672 config_setting_t *s;
673 guint i;
674
675 for (i = 0; (s = config_setting_get_elem(settings, i)) != NULL; )
676 {
677 if (strcmp(config_setting_get_name(s), "Button") != 0)
678 {
679 g_warning("launchtaskbar: illegal token %s\n", config_setting_get_name(s));
680 config_setting_destroy(s);
681 }
682 else if (!launchbutton_constructor(ltbp, s) &&
683 /* try to create desktop id from old-style manual setup */
684 !_launchbutton_create_id(ltbp, s))
685 {
686 g_warning( "launchtaskbar: can't init button\n");
687 /* FIXME: show failed id to the user instead */
688 config_setting_destroy(s);
689 }
690 else /* success, accept the setting */
691 i++;
692 }
693 }
694 if(build_bootstrap)
695 {
696 if(ltbp->buttons == NULL)
697 launchbutton_build_bootstrap(ltbp);
698 }
699 }
700 gtk_widget_set_visible(ltbp->lb_icon_grid, TRUE);
701 }
702
703 static void launchtaskbar_constructor_task(LaunchTaskBarPlugin *ltbp)
704 {
705 if(!ltbp->tb_built)
706 {
707 config_setting_t *s = ltbp->settings;
708 gint tmp_int;
709
710 ltbp->tb_built = TRUE;
711
712 /* Parse configuration now */
713 if (config_setting_lookup_int(s, "tooltips", &tmp_int))
714 ltbp->tooltips = (tmp_int != 0);
715 if (config_setting_lookup_int(s, "IconsOnly", &tmp_int))
716 ltbp->icons_only = (tmp_int != 0);
717 if (config_setting_lookup_int(s, "ShowAllDesks", &tmp_int))
718 ltbp->show_all_desks = (tmp_int != 0);
719 if (config_setting_lookup_int(s, "SameMonitorOnly", &tmp_int))
720 ltbp->same_monitor_only = (tmp_int != 0);
721 config_setting_lookup_int(s, "MaxTaskWidth", &ltbp->task_width_max);
722 config_setting_lookup_int(s, "spacing", &ltbp->spacing);
723 if (config_setting_lookup_int(s, "UseMouseWheel", &tmp_int))
724 ltbp->use_mouse_wheel = (tmp_int != 0);
725 if (config_setting_lookup_int(s, "UseUrgencyHint", &tmp_int))
726 ltbp->use_urgency_hint = (tmp_int != 0);
727 if (config_setting_lookup_int(s, "FlatButton", &tmp_int))
728 ltbp->flat_button = (tmp_int != 0);
729 if (config_setting_lookup_int(s, "GroupedTasks", &tmp_int))
730 ltbp->grouped_tasks = (tmp_int != 0);
731
732 /* Make container for task buttons as a child of top level widget. */
733 ltbp->tb_icon_grid = panel_icon_grid_new(panel_get_orientation(ltbp->panel),
734 ltbp->task_width_max,
735 ltbp->icon_size, ltbp->spacing, 0,
736 panel_get_height(ltbp->panel));
737 panel_icon_grid_set_constrain_width(PANEL_ICON_GRID(ltbp->tb_icon_grid), TRUE);
738 gtk_box_pack_start(GTK_BOX(ltbp->plugin), ltbp->tb_icon_grid, TRUE, TRUE, 0);
739 gtk_container_set_border_width(GTK_CONTAINER(ltbp->tb_icon_grid), 0);
740 taskbar_update_style(ltbp);
741
742 /* Add GDK event filter. */
743 gdk_window_add_filter(NULL, (GdkFilterFunc) taskbar_event_filter, ltbp);
744
745 /* Connect signals to receive root window events and initialize root window properties. */
746 ltbp->number_of_desktops = get_net_number_of_desktops();
747 ltbp->current_desktop = get_net_current_desktop();
748 g_signal_connect(G_OBJECT(fbev), "current-desktop", G_CALLBACK(taskbar_net_current_desktop), (gpointer) ltbp);
749 g_signal_connect(G_OBJECT(fbev), "active-window", G_CALLBACK(taskbar_net_active_window), (gpointer) ltbp);
750 g_signal_connect(G_OBJECT(fbev), "number-of-desktops", G_CALLBACK(taskbar_net_number_of_desktops), (gpointer) ltbp);
751 g_signal_connect(G_OBJECT(fbev), "client-list", G_CALLBACK(taskbar_net_client_list), (gpointer) ltbp);
752
753 /* Make right-click menu for task buttons.
754 * It is retained for the life of the taskbar and will be shown as needed.
755 * Number of desktops and edge is needed for this operation. */
756 taskbar_make_menu(ltbp);
757
758 /* Connect a signal to be notified when the window manager changes. This causes re-evaluation of the "use_net_active" status. */
759 g_signal_connect(ltbp->screen, "window-manager-changed", G_CALLBACK(taskbar_window_manager_changed), ltbp);
760
761 /* Fetch the client list and redraw the taskbar. Then determine what window has focus. */
762 taskbar_net_client_list(NULL, ltbp);
763 taskbar_net_active_window(NULL, ltbp);
764 }
765 gtk_widget_set_visible(ltbp->tb_icon_grid, TRUE);
766 }
767
768 /* Plugin constructor. */
769 static GtkWidget *_launchtaskbar_constructor(Panel *panel, config_setting_t *settings,
770 LtbMode mode)
771 {
772 GtkWidget *p;
773 LaunchTaskBarPlugin *ltbp;
774
775 gtk_rc_parse_string(launchtaskbar_rc);
776
777 /* Allocate plugin context and set into Plugin private data pointer. */
778 ltbp = g_new0(LaunchTaskBarPlugin, 1);
779 ltbp->panel = panel;
780 ltbp->settings = settings;
781 ltbp->mode = mode;
782 ltbp->screen = gtk_widget_get_screen((GtkWidget*)panel_get_toplevel_window(panel));
783
784 /* Initialize to defaults. */
785 ltbp->icon_size = panel_get_icon_size(panel);
786 ltbp->tooltips = TRUE;
787 ltbp->icons_only = FALSE;
788 ltbp->show_all_desks = TRUE;
789 ltbp->task_width_max = TASK_WIDTH_MAX;
790 ltbp->spacing = 1;
791 ltbp->use_mouse_wheel = TRUE;
792 ltbp->use_urgency_hint = TRUE;
793 ltbp->grouped_tasks = FALSE;
794 ltbp->fixed_mode = (mode == LAUNCHBAR) || (mode == TASKBAR);
795
796 /* Special cases key file */
797 ltbp->p_key_file_special_cases = g_key_file_new();
798 gchar *special_cases_filepath = g_build_filename(g_get_user_config_dir(),
799 "lxpanel", "launchtaskbar.cfg", NULL);
800 if (!g_key_file_load_from_file(ltbp->p_key_file_special_cases,
801 special_cases_filepath,
802 G_KEY_FILE_KEEP_COMMENTS, NULL))
803 {
804 launchtaskbar_constructor_add_default_special_case(ltbp, "synaptic", "synaptic-pkexec");
805 launchtaskbar_constructor_add_default_special_case(ltbp, "soffice.bin", "libreoffice");
806 launchtaskbar_constructor_add_default_special_case(ltbp, "x-terminal-emulator", "lxterminal");
807 gchar *key_file_data = g_key_file_to_data(ltbp->p_key_file_special_cases, NULL, NULL);
808 g_file_set_contents(special_cases_filepath, key_file_data, -1, NULL);
809 g_free(key_file_data);
810 }
811 g_free(special_cases_filepath);
812
813 /* Allocate top level widget and set into Plugin widget pointer. */
814 ltbp->plugin = p = panel_box_new(panel, FALSE, 5);
815 lxpanel_plugin_set_data(p, ltbp, launchtaskbar_destructor);
816 /* Allocate an icon grid manager to manage the container. */
817 ltbp->lb_icon_grid = panel_icon_grid_new(panel_get_orientation(panel),
818 ltbp->icon_size, ltbp->icon_size,
819 3, 0, panel_get_height(panel));
820 gtk_box_pack_start(GTK_BOX(p), ltbp->lb_icon_grid, FALSE, TRUE, 0);
821
822 gtk_container_set_border_width(GTK_CONTAINER(p), 0);
823 gtk_container_set_border_width(GTK_CONTAINER(ltbp->lb_icon_grid), 0);
824 gtk_widget_set_has_window(p, FALSE);
825
826 /* Read parameters from the configuration file. */
827 config_setting_lookup_int(settings, "LaunchTaskBarMode", &ltbp->mode);
828 switch (ltbp->mode) {
829 case LAUNCHBAR:
830 launchtaskbar_constructor_launch(ltbp, TRUE/*build_bootstrap*/);
831 gtk_widget_set_name(p, "launchbar");
832 break;
833 default:
834 ltbp->mode = LAUNCHTASKBAR; /* reset invalid value */
835 case LAUNCHTASKBAR:
836 launchtaskbar_constructor_launch(ltbp, TRUE/*build_bootstrap*/);
837 gtk_widget_set_name(p, "launchtaskbar");
838 case TASKBAR:
839 launchtaskbar_constructor_task(ltbp);
840 if (ltbp->mode == TASKBAR)
841 gtk_widget_set_name(p, "taskbar");
842 }
843
844 return p;
845 }
846
847 static GtkWidget *launchtaskbar_constructor(Panel *panel, config_setting_t *settings)
848 {
849 return _launchtaskbar_constructor(panel, settings, LAUNCHTASKBAR);
850 }
851
852 static void launchtaskbar_destructor_launch(LaunchTaskBarPlugin *ltbp)
853 {
854 /* Free the launchbar. */
855 g_slist_foreach(ltbp->buttons, (GFunc) launchbutton_free, NULL);
856
857 /* Free the bootstrap button if it exists. */
858 if(ltbp->bootstrap_button != NULL)
859 {
860 launchbutton_free(ltbp->bootstrap_button);
861 ltbp->bootstrap_button = NULL;
862 }
863
864 if (ltbp->add_icon != NULL)
865 g_object_unref(ltbp->add_icon);
866 }
867
868 static void launchtaskbar_destructor_task(LaunchTaskBarPlugin *ltbp)
869 {
870 /* Remove GDK event filter. */
871 gdk_window_remove_filter(NULL, (GdkFilterFunc) taskbar_event_filter, ltbp);
872
873 /* Remove root window signal handlers. */
874 g_signal_handlers_disconnect_by_func(fbev, taskbar_net_current_desktop, ltbp);
875 g_signal_handlers_disconnect_by_func(fbev, taskbar_net_active_window, ltbp);
876 g_signal_handlers_disconnect_by_func(fbev, taskbar_net_number_of_desktops, ltbp);
877 g_signal_handlers_disconnect_by_func(fbev, taskbar_net_client_list, ltbp);
878
879 /* Remove "window-manager-changed" handler. */
880 g_signal_handlers_disconnect_by_func(ltbp->screen, taskbar_window_manager_changed, ltbp);
881
882 /* Deallocate task list - widgets are already destroyed there. */
883 while(ltbp->p_task_list != NULL)
884 task_delete(ltbp, ltbp->p_task_list, TRUE, FALSE);
885
886 /* Deallocate class list. */
887 while(ltbp->p_taskclass_list != NULL)
888 {
889 TaskClass * tc = ltbp->p_taskclass_list;
890 ltbp->p_taskclass_list = tc->p_taskclass_flink;
891 g_free(tc->res_class);
892 g_free(tc);
893 }
894
895 /* Deallocate other memory. */
896 gtk_widget_destroy(ltbp->menu);
897 task_group_menu_destroy(ltbp);
898 }
899
900 /* Plugin destructor. */
901 static void launchtaskbar_destructor(gpointer user_data)
902 {
903 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)user_data;
904
905 // TASKBAR
906 if(ltbp->tb_built) launchtaskbar_destructor_task(ltbp);
907
908 // LAUNCHBAR
909 if(ltbp->lb_built) launchtaskbar_destructor_launch(ltbp);
910
911 // LAUNCHTASKBAR
912
913 /* Deallocate all memory. */
914 if (ltbp->p_key_file_special_cases != NULL)
915 g_key_file_free(ltbp->p_key_file_special_cases);
916 g_free(ltbp);
917 }
918
919 static void _launchbar_configure_add(GtkTreeView *menu_view, LaunchTaskBarPlugin *ltbp)
920 {
921 GtkTreeView * defined_view = GTK_TREE_VIEW(g_object_get_data(G_OBJECT(ltbp->config_dlg), "defined_view"));
922 FmPath * sel_path = fm_app_menu_view_dup_selected_app_desktop_path(menu_view);
923 LaunchButton * btn;
924
925 if (sel_path != NULL && (btn = launchbutton_build_gui(ltbp, sel_path)) != NULL)
926 {
927 GtkListStore * list = GTK_LIST_STORE(gtk_tree_view_get_model(defined_view));
928 GtkTreeIter it;
929 GdkPixbuf* pix;
930 char *path;
931 gtk_list_store_append(list, &it);
932 pix = fm_pixbuf_from_icon(fm_file_info_get_icon(btn->fi), PANEL_ICON_SIZE);
933 gtk_list_store_set(list, &it,
934 COL_ICON, pix,
935 COL_TITLE, fm_file_info_get_disp_name(btn->fi),
936 COL_BTN, btn,
937 -1);
938 g_object_unref(pix);
939 path = fm_path_to_str(sel_path);
940 /* g_debug("*** path '%s'",path); */
941 btn->settings = config_group_add_subgroup(ltbp->settings, "Button");
942 config_group_set_string(btn->settings, "id", path);
943 g_free(path);
944 fm_path_unref(sel_path);
945 }
946 }
947
948 /* Handler for "clicked" action on launchtaskbar configuration dialog "Add" button. */
949 static void launchbar_configure_add_button(GtkButton * widget, LaunchTaskBarPlugin *ltbp)
950 {
951 GtkTreeView * menu_view = GTK_TREE_VIEW(g_object_get_data(G_OBJECT(ltbp->config_dlg), "menu_view"));
952
953 _launchbar_configure_add(menu_view, ltbp);
954 }
955
956 static void launchbar_remove_button(LaunchTaskBarPlugin *ltbp, LaunchButton *btn)
957 {
958 ltbp->buttons = g_slist_remove(ltbp->buttons, btn);
959 gtk_widget_destroy(btn->widget);
960 config_setting_destroy(btn->settings);
961 launchbutton_free(btn);
962 /* Put the bootstrap button back if the list becomes empty. */
963 if(ltbp->buttons == NULL)
964 launchbutton_build_bootstrap(ltbp);
965 }
966
967 /* Handler for "clicked" action on launchtaskbar configuration dialog "Remove" button. */
968 static void launchbar_configure_remove_button(GtkButton * widget, LaunchTaskBarPlugin *ltbp)
969 {
970 GtkTreeView * defined_view = GTK_TREE_VIEW(g_object_get_data(G_OBJECT(ltbp->config_dlg), "defined_view"));
971 GtkTreeModel * list;
972 GtkTreeIter it;
973 if (gtk_tree_selection_get_selected(gtk_tree_view_get_selection(defined_view), &list, &it))
974 {
975 LaunchButton * btn;
976 gtk_tree_model_get(list, &it, COL_BTN, &btn, -1);
977
978 /* We have found a selected button.
979 * Remove it from the icon grid, the data structure, and the view. */
980 gtk_list_store_remove(GTK_LIST_STORE(list), &it);
981 gtk_widget_set_visible(ltbp->p_label_def_app_exec, FALSE);
982
983 launchbar_remove_button(ltbp, btn);
984 }
985 }
986
987 /* Handler for "clicked" action on launchtaskbar configuration dialog "Move Up" button. */
988 static void launchbar_configure_move_up_button(GtkButton * widget, LaunchTaskBarPlugin *ltbp)
989 {
990 GtkTreeView * defined_view = GTK_TREE_VIEW(g_object_get_data(G_OBJECT(ltbp->config_dlg), "defined_view"));
991 GtkTreeModel * list;
992 GtkTreeIter it;
993 if (gtk_tree_selection_get_selected(gtk_tree_view_get_selection(defined_view), &list, &it))
994 {
995 LaunchButton *btn;
996 gtk_tree_model_get(GTK_TREE_MODEL(list), &it, COL_BTN, &btn, -1);
997 GtkTreePath * path = gtk_tree_model_get_path(GTK_TREE_MODEL(list), &it);
998 if ((gtk_tree_path_get_indices(path)[0] > 0)
999 && (gtk_tree_path_prev(path)))
1000 {
1001 GtkTreeIter it2;
1002 if (gtk_tree_model_get_iter(list, &it2, path))
1003 {
1004 /* We have found a selected button that can be moved.
1005 * Reorder it in the icon grid, the data structure, and the view. */
1006 int i = gtk_tree_path_get_indices(path)[0];
1007 ltbp->buttons = g_slist_remove(ltbp->buttons, btn);
1008 ltbp->buttons = g_slist_insert(ltbp->buttons, btn, i);
1009 gtk_list_store_move_before(GTK_LIST_STORE(list), &it, &it2);
1010 panel_icon_grid_reorder_child(PANEL_ICON_GRID(ltbp->lb_icon_grid),
1011 btn->widget, i);
1012 config_setting_move_elem(btn->settings,
1013 config_setting_get_parent(btn->settings),
1014 i);
1015 }
1016 }
1017 gtk_tree_path_free(path);
1018 }
1019 }
1020
1021 /* Handler for "clicked" action on launchtaskbar configuration dialog "Move Down" button. */
1022 static void launchbar_configure_move_down_button(GtkButton * widget, LaunchTaskBarPlugin *ltbp)
1023 {
1024 GtkTreeView * defined_view = GTK_TREE_VIEW(g_object_get_data(G_OBJECT(ltbp->config_dlg), "defined_view"));
1025 GtkTreeModel * list;
1026 GtkTreeIter it;
1027 if (gtk_tree_selection_get_selected(gtk_tree_view_get_selection(defined_view), &list, &it))
1028 {
1029 LaunchButton *btn;
1030 gtk_tree_model_get(GTK_TREE_MODEL(list), &it, COL_BTN, &btn, -1);
1031 GtkTreePath * path = gtk_tree_model_get_path(GTK_TREE_MODEL(list), &it);
1032 int n = gtk_tree_model_iter_n_children(list, NULL);
1033 if (gtk_tree_path_get_indices(path)[0] < (n - 1))
1034 {
1035 gtk_tree_path_next(path);
1036 GtkTreeIter it2;
1037 if (gtk_tree_model_get_iter( list, &it2, path))
1038 {
1039 /* We have found a selected button that can be moved.
1040 * Reorder it in the icon grid, the data structure, and the view. */
1041 int i = gtk_tree_path_get_indices(path)[0];
1042 ltbp->buttons = g_slist_remove(ltbp->buttons, btn);
1043 ltbp->buttons = g_slist_insert(ltbp->buttons, btn, i + 1);
1044 gtk_list_store_move_after(GTK_LIST_STORE(list), &it, &it2);
1045 panel_icon_grid_reorder_child(PANEL_ICON_GRID(ltbp->lb_icon_grid),
1046 btn->widget, i);
1047 config_setting_move_elem(btn->settings,
1048 config_setting_get_parent(btn->settings),
1049 i);
1050 }
1051 }
1052 gtk_tree_path_free(path);
1053 }
1054 }
1055
1056 /* Initialize the list of existing launchtaskbar buttons when the configuration dialog is shown. */
1057 static void launchbar_configure_initialize_list(LaunchTaskBarPlugin *ltbp, GtkWidget * dlg, GtkTreeView * view)
1058 {
1059 /* Set the selection mode. */
1060 gtk_tree_selection_set_mode(gtk_tree_view_get_selection(view), GTK_SELECTION_BROWSE);
1061
1062 /* Define a column. */
1063 GtkTreeViewColumn* col = gtk_tree_view_get_column(view, 0);
1064
1065 /* Establish the pixbuf column cell renderer. */
1066 GtkCellRenderer * render = gtk_cell_renderer_pixbuf_new();
1067 gtk_tree_view_column_pack_start(col, render, FALSE);
1068 gtk_tree_view_column_set_attributes(col, render, "pixbuf", COL_ICON, NULL);
1069
1070 /* Establish the text column cell renderer. */
1071 render = gtk_cell_renderer_text_new();
1072 gtk_tree_view_column_pack_start(col, render, TRUE);
1073 gtk_tree_view_column_add_attribute(col, render, "text", COL_TITLE);
1074
1075 /* Establish the column data types. */
1076 GtkListStore* list = GTK_LIST_STORE(gtk_tree_view_get_model(view));
1077
1078 /* Initialize from defined launchtaskbar buttons. */
1079 GSList* l;
1080 for (l = ltbp->buttons; l != NULL; l = l->next)
1081 {
1082 LaunchButton * btn = (LaunchButton *) l->data;
1083 GdkPixbuf * pix;
1084 GtkTreeIter it;
1085 gtk_list_store_append(list, &it);
1086 pix = fm_pixbuf_from_icon(fm_file_info_get_icon(btn->fi), PANEL_ICON_SIZE);
1087 gtk_list_store_set(list, &it,
1088 COL_ICON, pix,
1089 COL_TITLE, fm_file_info_get_disp_name(btn->fi),
1090 COL_BTN, btn,
1091 -1);
1092 g_object_unref(pix);
1093 }
1094 g_object_set_data(G_OBJECT(dlg), "defined_view", view);
1095 }
1096
1097 static void plugin_set_expand_status(LaunchTaskBarPlugin *ltbp, gboolean expand_new)
1098 {
1099 gboolean old_expand, fill;
1100 guint padding;
1101 GtkPackType pack_type;
1102 GtkWidget *box = gtk_widget_get_parent(ltbp->plugin);
1103 g_return_if_fail(box);
1104 gtk_box_query_child_packing(GTK_BOX(box), ltbp->plugin, &old_expand, &fill, &padding, &pack_type);
1105 gtk_box_set_child_packing(GTK_BOX(box), ltbp->plugin, expand_new, fill, padding, pack_type);
1106 }
1107
1108 static void set_config_visibility(LaunchTaskBarPlugin *ltbp)
1109 {
1110 switch (ltbp->mode) {
1111 default:
1112 case LAUNCHTASKBAR:
1113 gtk_widget_set_visible(ltbp->p_notebook_page_launch, TRUE);
1114 gtk_widget_set_visible(ltbp->p_notebook_page_task, TRUE);
1115 gtk_notebook_set_show_tabs(ltbp->p_notebook, TRUE);
1116 break;
1117 case TASKBAR:
1118 gtk_widget_set_visible(ltbp->p_notebook_page_launch, FALSE);
1119 gtk_widget_set_visible(ltbp->p_notebook_page_task, TRUE);
1120 gtk_notebook_set_show_tabs(ltbp->p_notebook, FALSE);
1121 break;
1122 case LAUNCHBAR:
1123 gtk_widget_set_visible(ltbp->p_notebook_page_launch, TRUE);
1124 gtk_widget_set_visible(ltbp->p_notebook_page_task, FALSE);
1125 gtk_notebook_set_show_tabs(ltbp->p_notebook, FALSE);
1126 }
1127 }
1128
1129 static void on_combobox_mode_changed(GtkComboBox *p_combobox, gpointer p_data)
1130 {
1131 LaunchTaskBarPlugin *ltbp = p_data;
1132 int new_mode = gtk_combo_box_get_active(GTK_COMBO_BOX(p_combobox));
1133
1134 if (new_mode < 0 || new_mode == ltbp->mode) /* no change was made */
1135 return;
1136
1137 ltbp->mode = new_mode;
1138
1139 set_config_visibility(ltbp);
1140
1141 switch (ltbp->mode) {
1142 case LAUNCHBAR:
1143 if (ltbp->tb_icon_grid)
1144 gtk_widget_set_visible(ltbp->tb_icon_grid, FALSE);
1145 launchtaskbar_constructor_launch(ltbp, TRUE/*build_bootstrap*/);
1146 plugin_set_expand_status(ltbp, FALSE);
1147 gtk_widget_set_name(ltbp->plugin, "launchbar");
1148 break;
1149 case TASKBAR:
1150 gtk_widget_set_visible(ltbp->lb_icon_grid, FALSE);
1151 launchtaskbar_constructor_task(ltbp);
1152 plugin_set_expand_status(ltbp, TRUE);
1153 gtk_widget_set_name(ltbp->plugin, "taskbar");
1154 break;
1155 default:
1156 ltbp->mode = LAUNCHTASKBAR;
1157 case LAUNCHTASKBAR:
1158 launchtaskbar_constructor_launch(ltbp, TRUE/*build_bootstrap*/);
1159 launchtaskbar_constructor_task(ltbp);
1160 plugin_set_expand_status(ltbp, TRUE);
1161 gtk_widget_set_name(ltbp->plugin, "launchtaskbar");
1162 break;
1163 }
1164
1165 config_group_set_int(ltbp->settings, "LaunchTaskBarMode", ltbp->mode);
1166 }
1167
1168 static void on_checkbutton_show_tooltips_toggled(GtkToggleButton *p_togglebutton, gpointer p_data)
1169 {
1170 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1171 ltbp->tooltips = gtk_toggle_button_get_active(p_togglebutton);
1172 //g_print("\nltbp->tooltips upd\n");
1173 config_group_set_int(ltbp->settings, "tooltips", ltbp->tooltips);
1174 taskbar_apply_configuration(ltbp);
1175 }
1176
1177 static void on_checkbutton_icons_only_toggled(GtkToggleButton *p_togglebutton, gpointer p_data)
1178 {
1179 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1180 ltbp->icons_only = gtk_toggle_button_get_active(p_togglebutton);
1181 //g_print("\ntb->icons_only upd\n");
1182 config_group_set_int(ltbp->settings, "IconsOnly", ltbp->icons_only);
1183 taskbar_apply_configuration(ltbp);
1184 }
1185
1186 static void on_checkbutton_flat_buttons_toggled(GtkToggleButton *p_togglebutton, gpointer p_data)
1187 {
1188 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1189 ltbp->flat_button = gtk_toggle_button_get_active(p_togglebutton);
1190 //g_print("\ntb->flat_button upd\n");
1191 config_group_set_int(ltbp->settings, "FlatButton", ltbp->flat_button);
1192 taskbar_apply_configuration(ltbp);
1193 }
1194
1195 static void on_checkbutton_show_all_desks_toggled(GtkToggleButton *p_togglebutton, gpointer p_data)
1196 {
1197 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1198 ltbp->show_all_desks = gtk_toggle_button_get_active(p_togglebutton);
1199 //g_print("\ntb->show_all_desks upd\n");
1200 config_group_set_int(ltbp->settings, "ShowAllDesks", ltbp->show_all_desks);
1201 taskbar_apply_configuration(ltbp);
1202 }
1203
1204 static void on_checkbutton_same_monitor_only_toggled(GtkToggleButton *p_togglebutton, gpointer p_data)
1205 {
1206 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1207 ltbp->same_monitor_only = gtk_toggle_button_get_active(p_togglebutton);
1208 //g_print("\ntb->same_monitor_only upd\n");
1209 config_group_set_int(ltbp->settings, "SameMonitorOnly", ltbp->same_monitor_only);
1210 taskbar_apply_configuration(ltbp);
1211 }
1212
1213 static void on_checkbutton_mouse_wheel_toggled(GtkToggleButton *p_togglebutton, gpointer p_data)
1214 {
1215 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1216 ltbp->use_mouse_wheel = gtk_toggle_button_get_active(p_togglebutton);
1217 //g_print("\ntb->use_mouse_wheel upd\n");
1218 config_group_set_int(ltbp->settings, "UseMouseWheel", ltbp->use_mouse_wheel);
1219 taskbar_apply_configuration(ltbp);
1220 }
1221
1222 static void on_checkbutton_urgency_hint_toggled(GtkToggleButton *p_togglebutton, gpointer p_data)
1223 {
1224 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1225 ltbp->use_urgency_hint = gtk_toggle_button_get_active(p_togglebutton);
1226 //g_print("\ntb->use_urgency_hint upd\n");
1227 config_group_set_int(ltbp->settings, "UseUrgencyHint", ltbp->use_urgency_hint);
1228 taskbar_apply_configuration(ltbp);
1229 }
1230
1231 static void on_checkbutton_grouped_tasks_toggled(GtkToggleButton *p_togglebutton, gpointer p_data)
1232 {
1233 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1234 ltbp->grouped_tasks = gtk_toggle_button_get_active(p_togglebutton);
1235 //g_print("\ntb->grouped_tasks upd\n");
1236 config_group_set_int(ltbp->settings, "GroupedTasks", ltbp->grouped_tasks);
1237 taskbar_apply_configuration(ltbp);
1238 }
1239
1240 static void on_spinbutton_max_width_value_changed(GtkSpinButton *p_spinbutton, gpointer p_data)
1241 {
1242 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1243 ltbp->task_width_max = gtk_spin_button_get_value(p_spinbutton);
1244 //g_print("\ntb->task_width_max upd\n");
1245 config_group_set_int(ltbp->settings, "MaxTaskWidth", ltbp->task_width_max);
1246 taskbar_apply_configuration(ltbp);
1247 }
1248
1249 static void on_spinbutton_spacing_value_changed(GtkSpinButton *p_spinbutton, gpointer p_data)
1250 {
1251 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)p_data;
1252 ltbp->spacing = gtk_spin_button_get_value(p_spinbutton);
1253 //g_print("\ntb->spacing upd\n");
1254 config_group_set_int(ltbp->settings, "spacing", ltbp->spacing);
1255 taskbar_apply_configuration(ltbp);
1256 }
1257
1258 static gboolean on_defined_view_button_press_event(GtkWidget *p_widget, GdkEventButton *p_event, gpointer p_data)
1259 {
1260 LaunchTaskBarPlugin *lb = (LaunchTaskBarPlugin *)p_data;
1261 if(p_event->button == 1)
1262 {
1263 if(p_event->type == GDK_2BUTTON_PRESS)
1264 {
1265 gtk_button_clicked(GTK_BUTTON(lb->p_button_remove));
1266 }
1267 }
1268 return FALSE;
1269 }
1270
1271 static void on_defined_view_cursor_changed(GtkTreeView *p_treeview, gpointer p_data)
1272 {
1273 gboolean label_set = FALSE;
1274 LaunchTaskBarPlugin *lb = (LaunchTaskBarPlugin *)p_data;
1275 GtkTreeIter tree_iter_sel;
1276 GtkTreeModel* p_treemodel = gtk_tree_view_get_model(p_treeview);
1277 GtkTreeSelection *p_treeselection = gtk_tree_view_get_selection(p_treeview);
1278 if(gtk_tree_selection_get_selected(p_treeselection,
1279 (GtkTreeModel **)(&p_treemodel),
1280 &tree_iter_sel))
1281 {
1282 LaunchButton * p_btn;
1283 gtk_tree_model_get(p_treemodel, &tree_iter_sel, COL_BTN, &p_btn, -1);
1284 if( (p_btn != NULL) && (p_btn->fi != NULL) )
1285 {
1286 GString *p_gstring = g_string_new("");
1287 g_string_printf(p_gstring, "<i>%s</i>", fm_file_info_get_disp_name(p_btn->fi));
1288 gtk_label_set_markup(GTK_LABEL(lb->p_label_def_app_exec), p_gstring->str);
1289 g_string_free(p_gstring, TRUE/*free also gstring->str*/);
1290 label_set = TRUE;
1291 }
1292 }
1293 gtk_widget_set_visible(lb->p_label_def_app_exec, label_set);
1294 gtk_widget_set_sensitive(lb->p_button_remove, label_set);
1295 }
1296
1297 static void on_menu_view_cursor_changed(GtkTreeView *p_treeview, gpointer p_data)
1298 {
1299 gboolean label_set = FALSE;
1300 LaunchTaskBarPlugin *lb = (LaunchTaskBarPlugin *)p_data;
1301 GAppInfo *app = fm_app_menu_view_dup_selected_app(p_treeview);
1302
1303 if (app)
1304 {
1305 GString *p_gstring = g_string_new("");
1306 if (g_app_info_get_description(app))
1307 g_string_printf(p_gstring, "<i>%s</i>", g_app_info_get_description(app));
1308 else
1309 g_string_printf(p_gstring, "<i>%s</i>", g_app_info_get_name(app));
1310 gtk_label_set_markup(GTK_LABEL(lb->p_label_menu_app_exec), p_gstring->str);
1311 g_string_free(p_gstring, TRUE/*free also gstring->str*/);
1312 label_set = TRUE;
1313 }
1314 gtk_widget_set_visible(lb->p_label_menu_app_exec, label_set);
1315 gtk_widget_set_sensitive(lb->p_button_add, label_set);
1316 }
1317
1318 static void on_menu_view_row_activated(GtkTreeView *tree_view, GtkTreePath *path,
1319 GtkTreeViewColumn *column,
1320 LaunchTaskBarPlugin *ltbp)
1321 {
1322 _launchbar_configure_add(tree_view, ltbp);
1323 }
1324
1325 /* Callback when the configuration dialog is to be shown. */
1326 static GtkWidget *launchtaskbar_configure(Panel *panel, GtkWidget *p, GtkWindow *parent)
1327 {
1328 LaunchTaskBarPlugin *ltbp = lxpanel_plugin_get_data(p);
1329
1330 {
1331 GtkWidget *dlg, *btn, *defined_view, *menu_view, *menu_view_window;
1332 GtkBuilder *builder = gtk_builder_new();
1333 GObject *object;
1334
1335 gtk_builder_add_from_file(builder, PACKAGE_UI_DIR "/launchtaskbar.ui", NULL);
1336 dlg = (GtkWidget *)gtk_builder_get_object(builder, "dlg");
1337 panel_apply_icon(GTK_WINDOW(dlg));
1338
1339 defined_view = (GtkWidget *)gtk_builder_get_object(builder, "defined_view");
1340 menu_view_window = (GtkWidget*)gtk_builder_get_object(builder, "menu_view_window");
1341 if (menu_view_window == NULL) /* fallback for old glade file */
1342 {
1343 menu_view_window = (GtkWidget*)gtk_builder_get_object(builder, "scroll2");
1344 gtk_widget_destroy(gtk_bin_get_child(GTK_BIN(menu_view_window)));
1345 }
1346 menu_view = GTK_WIDGET(fm_app_menu_view_new());
1347 gtk_container_add(GTK_CONTAINER(menu_view_window), menu_view);
1348 gtk_widget_show(menu_view);
1349 ltbp->p_label_def_app_exec = (GtkWidget*)gtk_builder_get_object(builder, "label_def_app_exec");
1350 ltbp->p_label_menu_app_exec = (GtkWidget*)gtk_builder_get_object(builder, "label_menu_app_exec");
1351
1352 /* Connect signals. */
1353 ltbp->p_button_add = (GtkWidget *)gtk_builder_get_object(builder, "button_add");
1354 g_signal_connect(ltbp->p_button_add, "clicked", G_CALLBACK(launchbar_configure_add_button), ltbp);
1355
1356 ltbp->p_button_remove = (GtkWidget *)gtk_builder_get_object(builder, "button_remove");
1357 g_signal_connect(ltbp->p_button_remove, "clicked", G_CALLBACK(launchbar_configure_remove_button), ltbp);
1358
1359 btn = (GtkWidget *)gtk_builder_get_object(builder, "button_up");
1360 g_signal_connect(btn, "clicked", G_CALLBACK(launchbar_configure_move_up_button), ltbp);
1361
1362 btn = (GtkWidget *)gtk_builder_get_object(builder, "button_down");
1363 g_signal_connect(btn, "clicked", G_CALLBACK(launchbar_configure_move_down_button), ltbp);
1364
1365 /* FIXME: add a button 'New' with launcher creation dialog */
1366
1367 g_signal_connect(defined_view, "button-press-event", G_CALLBACK(on_defined_view_button_press_event), ltbp);
1368 g_signal_connect(defined_view, "cursor-changed", G_CALLBACK(on_defined_view_cursor_changed), ltbp);
1369 g_signal_connect(menu_view, "cursor-changed", G_CALLBACK(on_menu_view_cursor_changed), ltbp);
1370 g_signal_connect(menu_view, "row-activated", G_CALLBACK(on_menu_view_row_activated), ltbp);
1371
1372 ltbp->p_notebook = GTK_NOTEBOOK(gtk_builder_get_object(builder, "notebook"));
1373 ltbp->p_notebook_page_launch = gtk_notebook_get_nth_page(ltbp->p_notebook, 0);
1374 ltbp->p_notebook_page_task = gtk_notebook_get_nth_page(ltbp->p_notebook, 1);
1375 set_config_visibility(ltbp);
1376 object = gtk_builder_get_object(builder, "combobox_mode");
1377 gtk_combo_box_set_active(GTK_COMBO_BOX(object), ltbp->mode);
1378 g_signal_connect(object, "changed",
1379 G_CALLBACK(on_combobox_mode_changed), ltbp);
1380
1381 #define SETUP_TOGGLE_BUTTON(button,member) \
1382 object = gtk_builder_get_object(builder, #button); \
1383 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(object), ltbp->member); \
1384 g_signal_connect(object, "toggled", G_CALLBACK(on_##button##_toggled), ltbp)
1385
1386 SETUP_TOGGLE_BUTTON(checkbutton_show_tooltips, tooltips);
1387 SETUP_TOGGLE_BUTTON(checkbutton_icons_only, icons_only);
1388 SETUP_TOGGLE_BUTTON(checkbutton_flat_buttons, flat_button);
1389 SETUP_TOGGLE_BUTTON(checkbutton_show_all_desks, show_all_desks);
1390 SETUP_TOGGLE_BUTTON(checkbutton_same_monitor_only, same_monitor_only);
1391 SETUP_TOGGLE_BUTTON(checkbutton_mouse_wheel, use_mouse_wheel);
1392 SETUP_TOGGLE_BUTTON(checkbutton_urgency_hint, use_urgency_hint);
1393 SETUP_TOGGLE_BUTTON(checkbutton_grouped_tasks, grouped_tasks);
1394 #undef SETUP_TOGGLE_BUTTON
1395
1396 #define SETUP_SPIN_BUTTON(button,member) \
1397 object = gtk_builder_get_object(builder, #button); \
1398 gtk_spin_button_set_value(GTK_SPIN_BUTTON(object), ltbp->member); \
1399 g_signal_connect(object, "value-changed", \
1400 G_CALLBACK(on_##button##_value_changed), ltbp)
1401
1402 SETUP_SPIN_BUTTON(spinbutton_max_width, task_width_max);
1403 SETUP_SPIN_BUTTON(spinbutton_spacing, spacing);
1404 #undef SETUP_SPIN_BUTTON
1405
1406 ltbp->config_dlg = dlg;
1407
1408 /* Initialize the tree view contents. */
1409 launchbar_configure_initialize_list(ltbp, dlg, GTK_TREE_VIEW(defined_view));
1410 g_object_set_data(G_OBJECT(dlg), "menu_view", menu_view);
1411
1412 gtk_widget_set_visible(ltbp->p_label_menu_app_exec, FALSE);
1413 gtk_widget_set_visible(ltbp->p_label_def_app_exec, FALSE);
1414 gtk_widget_set_sensitive(ltbp->p_button_add, FALSE);
1415 gtk_widget_set_sensitive(ltbp->p_button_remove, FALSE);
1416 if (ltbp->fixed_mode)
1417 {
1418 object = gtk_builder_get_object(builder, "hbox_mode");
1419 if (object)
1420 gtk_widget_destroy(GTK_WIDGET(object));
1421 if (ltbp->mode == LAUNCHBAR)
1422 gtk_window_set_title(GTK_WINDOW(ltbp->config_dlg),
1423 _("Application Launch Bar"));
1424 else
1425 gtk_window_set_title(GTK_WINDOW(ltbp->config_dlg),
1426 _("Task Bar (Window List)"));
1427 }
1428
1429 g_object_unref(builder);
1430 }
1431 return ltbp->config_dlg;
1432 }
1433
1434 /* Callback when panel configuration changes. */
1435 static void launchtaskbar_panel_configuration_changed(Panel *panel, GtkWidget *p)
1436 {
1437 /* Set orientation into the icon grid. */
1438 LaunchTaskBarPlugin *ltbp = lxpanel_plugin_get_data(p);
1439 int new_icon_size = panel_get_icon_size(panel);
1440
1441 if (ltbp->lb_built)
1442 panel_icon_grid_set_geometry(PANEL_ICON_GRID(ltbp->lb_icon_grid),
1443 panel_get_orientation(panel),
1444 new_icon_size, new_icon_size, 3, 0,
1445 panel_get_height(panel));
1446
1447 /* Reset the bootstrap button. */
1448 if (ltbp->bootstrap_button != NULL)
1449 {
1450 GdkPixbuf * icon = fm_pixbuf_from_icon(ltbp->add_icon, new_icon_size);
1451 gtk_image_set_from_pixbuf(GTK_IMAGE(ltbp->bootstrap_button->image_widget), icon);
1452 g_object_unref(icon);
1453 }
1454
1455 if (ltbp->tb_built)
1456 {
1457 taskbar_update_style(ltbp);
1458 taskbar_make_menu(ltbp);
1459 }
1460
1461 /* If the icon size changed, refetch all the icons. */
1462 if (new_icon_size != ltbp->icon_size)
1463 {
1464 Task * tk;
1465 GSList * l;
1466 ltbp->icon_size = new_icon_size;
1467 for (tk = ltbp->p_task_list; tk != NULL; tk = tk->p_task_flink_xwid)
1468 {
1469 GdkPixbuf * pixbuf = task_update_icon(ltbp, tk, None);
1470 if (pixbuf != NULL)
1471 {
1472 gtk_image_set_from_pixbuf(GTK_IMAGE(tk->image), pixbuf);
1473 g_object_unref(pixbuf);
1474 }
1475 }
1476 for (l = ltbp->buttons; l != NULL; l = l->next)
1477 {
1478 LaunchButton * btn = (LaunchButton *) l->data;
1479 lxpanel_button_update_icon(btn->widget, fm_file_info_get_icon(btn->fi),
1480 new_icon_size);
1481 }
1482
1483 }
1484
1485 /* Redraw all the labels. Icon size or font color may have changed. */
1486 if (ltbp->tb_built)
1487 taskbar_redraw(ltbp);
1488 }
1489
1490 /* Set an urgency timer on a task. */
1491 static void set_timer_on_task(Task * tk)
1492 {
1493 gint interval;
1494 g_return_if_fail(tk->flash_timeout == 0);
1495 g_object_get(gtk_widget_get_settings(tk->button), "gtk-cursor-blink-time", &interval, NULL);
1496 tk->flash_timeout = g_timeout_add(interval, flash_window_timeout, tk);
1497 }
1498
1499 /* Determine if a task is visible considering only its desktop placement. */
1500 static gboolean task_is_visible_on_current_desktop(LaunchTaskBarPlugin * tb, Task * tk)
1501 {
1502 return ((tk->desktop == ALL_WORKSPACES) || (tk->desktop == tb->current_desktop) || (tb->show_all_desks));
1503 }
1504
1505 /* Recompute the visible task for a class when the class membership changes.
1506 * Also transfer the urgency state to the visible task if necessary. */
1507 static void recompute_group_visibility_for_class(LaunchTaskBarPlugin * tb, TaskClass * tc)
1508 {
1509 tc->visible_count = 0;
1510 tc->p_task_visible = NULL;
1511 tc->visible_name = NULL;
1512 Task * flashing_task = NULL;
1513 gboolean class_has_urgency = FALSE;
1514 Task * tk;
1515 for (tk = tc->p_task_head; tk != NULL; tk = tk->p_task_flink_same_class)
1516 {
1517 if (task_is_visible_on_current_desktop(tb, tk))
1518 {
1519 /* Count visible tasks and make the first visible task the one that is used for display. */
1520 if (tc->visible_count == 0)
1521 tc->p_task_visible = tk;
1522 tc->visible_count += 1;
1523
1524 /* Compute summary bit for urgency anywhere in the class. */
1525 if (tk->urgency)
1526 class_has_urgency = TRUE;
1527
1528 /* If there is urgency, record the currently flashing task. */
1529 if (tk->flash_timeout != 0)
1530 flashing_task = tk;
1531
1532 /* Compute the visible name. If all visible windows have the same title, use that.
1533 * Otherwise, use the class name. This follows WNCK.
1534 * Note that the visible name is not a separate string, but is set to point to one of the others. */
1535 if (tc->visible_name == NULL)
1536 tc->visible_name = tk->name;
1537 else if ((tc->visible_name != tc->res_class)
1538 && (tc->visible_name != NULL) && (tk->name != NULL)
1539 && (strcmp(tc->visible_name, tk->name) != 0))
1540 tc->visible_name = tc->res_class;
1541 }
1542 }
1543
1544 /* Transfer the flash timeout to the visible task. */
1545 if (class_has_urgency)
1546 {
1547 if (flashing_task == NULL)
1548 {
1549 /* Set the flashing context and flash the window immediately. */
1550 tc->p_task_visible->flash_state = TRUE;
1551 flash_window_update(tc->p_task_visible);
1552
1553 /* Set the timer, since none is set. */
1554 set_timer_on_task(tc->p_task_visible);
1555 }
1556 else if (flashing_task != tc->p_task_visible)
1557 {
1558 /* Reset the timer on the new representative.
1559 * There will be a slight hiccup on the flash cadence. */
1560 g_source_remove(flashing_task->flash_timeout);
1561 flashing_task->flash_timeout = 0;
1562 tc->p_task_visible->flash_state = flashing_task->flash_state;
1563 flashing_task->flash_state = FALSE;
1564 set_timer_on_task(tc->p_task_visible);
1565 }
1566 }
1567 else
1568 {
1569 /* No task has urgency. Cancel the timer if one is set. */
1570 if (flashing_task != NULL)
1571 {
1572 g_source_remove(flashing_task->flash_timeout);
1573 flashing_task->flash_state = FALSE;
1574 flashing_task->flash_timeout = 0;
1575 }
1576 }
1577 }
1578
1579 /* Recompute the visible task for all classes when the desktop changes. */
1580 static void recompute_group_visibility_on_current_desktop(LaunchTaskBarPlugin * tb)
1581 {
1582 TaskClass * tc;
1583 for (tc = tb->p_taskclass_list; tc != NULL; tc = tc->p_taskclass_flink)
1584 {
1585 recompute_group_visibility_for_class(tb, tc);
1586 }
1587 }
1588
1589 /* Draw the label and tooltip on a taskbar button. */
1590 static void task_draw_label(Task * tk)
1591 {
1592 TaskClass * tc = tk->p_taskclass;
1593 gboolean bold_style = (((tk->entered_state) || (tk->flash_state)) && (tk->tb->flat_button));
1594 char *label;
1595
1596 if ((tk->tb->grouped_tasks) && (tc != NULL) && (tc->p_task_visible == tk) && (tc->visible_count > 1))
1597 {
1598 label = g_strdup_printf("(%d) %s", tc->visible_count, tc->visible_name);
1599 }
1600 else
1601 {
1602 label = g_strdup(tk->iconified ? tk->name_iconified : tk->name);
1603 }
1604
1605 if (tk->tb->tooltips)
1606 gtk_widget_set_tooltip_text(tk->button, label);
1607
1608 panel_draw_label_text(tk->tb->panel, tk->label, label, bold_style, 1,
1609 tk->tb->flat_button);
1610
1611 g_free(label);
1612 }
1613
1614 /* Determine if a task is visible. */
1615 static gboolean task_is_visible(LaunchTaskBarPlugin * tb, Task * tk)
1616 {
1617 /* Not visible due to grouping. */
1618 if ((tb->grouped_tasks) && (tk->p_taskclass != NULL) && (tk->p_taskclass->p_task_visible != tk))
1619 return FALSE;
1620
1621 /* Not on same monitor */
1622 if (tb->same_monitor_only && panel_get_monitor(tb->panel) != tk->monitor)
1623 return FALSE;
1624
1625 /* Desktop placement. */
1626 return task_is_visible_on_current_desktop(tb, tk);
1627 }
1628
1629 /* Redraw a task button. */
1630 static void task_button_redraw(Task * tk, LaunchTaskBarPlugin * tb)
1631 {
1632 if (task_is_visible(tb, tk))
1633 {
1634 task_draw_label(tk);
1635 gtk_widget_set_visible(tk->button, TRUE);
1636 }
1637 else
1638 gtk_widget_set_visible(tk->button, FALSE);
1639 }
1640
1641 /* Redraw all tasks in the taskbar. */
1642 static void taskbar_redraw(LaunchTaskBarPlugin * tb)
1643 {
1644 Task * tk;
1645 for (tk = tb->p_task_list; tk != NULL; tk = tk->p_task_flink_xwid)
1646 task_button_redraw(tk, tb);
1647 }
1648
1649 /* Determine if a task should be visible given its NET_WM_STATE. */
1650 static gboolean accept_net_wm_state(NetWMState * nws)
1651 {
1652 return ( ! (nws->skip_taskbar));
1653 }
1654
1655 /* Determine if a task should be visible given its NET_WM_WINDOW_TYPE. */
1656 static gboolean accept_net_wm_window_type(NetWMWindowType * nwwt)
1657 {
1658 return ( ! ((nwwt->desktop) || (nwwt->dock) || (nwwt->splash)));
1659 }
1660
1661 /* Free the names associated with a task. */
1662 static void task_free_names(Task * tk)
1663 {
1664 g_free(tk->name);
1665 g_free(tk->name_iconified);
1666 tk->name = tk->name_iconified = NULL;
1667 }
1668
1669 /* Set the names associated with a task.
1670 * This is expected to be the same as the title the window manager is displaying. */
1671 static void task_set_names(Task * tk, Atom source)
1672 {
1673 char * name = NULL;
1674
1675 /* Try _NET_WM_VISIBLE_NAME, which supports UTF-8.
1676 * If it is set, the window manager is displaying it as the window title. */
1677 if ((source == None) || (source == a_NET_WM_VISIBLE_NAME))
1678 {
1679 name = get_utf8_property(tk->win, a_NET_WM_VISIBLE_NAME);
1680 if (name != NULL)
1681 tk->name_source = a_NET_WM_VISIBLE_NAME;
1682 }
1683
1684 /* Try _NET_WM_NAME, which supports UTF-8, but do not overwrite _NET_WM_VISIBLE_NAME. */
1685 if ((name == NULL)
1686 && ((source == None) || (source == a_NET_WM_NAME))
1687 && ((tk->name_source == None) || (tk->name_source == a_NET_WM_NAME) || (tk->name_source == XA_WM_NAME)))
1688 {
1689 name = get_utf8_property(tk->win, a_NET_WM_NAME);
1690 if (name != NULL)
1691 tk->name_source = a_NET_WM_NAME;
1692 }
1693
1694 /* Try WM_NAME, which supports only ISO-8859-1, but do not overwrite _NET_WM_VISIBLE_NAME or _NET_WM_NAME. */
1695 if ((name == NULL)
1696 && ((source == None) || (source == XA_WM_NAME))
1697 && ((tk->name_source == None) || (tk->name_source == XA_WM_NAME)))
1698 {
1699 name = get_textproperty(tk->win, XA_WM_NAME);
1700 if (name != NULL)
1701 tk->name_source = XA_WM_NAME;
1702 }
1703
1704 /* Set the name into the task context, and also on the tooltip. */
1705 if (name != NULL)
1706 {
1707 task_free_names(tk);
1708 tk->name = g_strdup(name);
1709 tk->name_iconified = g_strdup_printf("[%s]", name);
1710 g_free(name);
1711
1712 /* Redraw the button. */
1713 task_button_redraw(tk, tk->tb);
1714 }
1715 }
1716
1717 /* Unlink a task from the class list because its class changed or it was deleted. */
1718 static void task_unlink_class(Task * tk)
1719 {
1720 TaskClass * tc = tk->p_taskclass;
1721 if (tc != NULL)
1722 {
1723 /* Action in Launchbar after class removed */
1724 launchbar_update_after_taskbar_class_removed(tk->tb, tk);
1725
1726 /* Remove from per-class task list. */
1727 if (tc->p_task_head == tk)
1728 {
1729 /* Removing the head of the list. This causes a new task to be the visible task, so we redraw. */
1730 tc->p_task_head = tk->p_task_flink_same_class;
1731 if (tc->p_task_head != NULL)
1732 task_button_redraw(tc->p_task_head, tk->tb);
1733 }
1734 else
1735 {
1736 /* Locate the task and its predecessor in the list and then remove it. For safety, ensure it is found. */
1737 Task * tk_pred = NULL;
1738 Task * tk_cursor;
1739 for (
1740 tk_cursor = tc->p_task_head;
1741 ((tk_cursor != NULL) && (tk_cursor != tk));
1742 tk_pred = tk_cursor, tk_cursor = tk_cursor->p_task_flink_same_class) ;
1743 if (tk_cursor == tk)
1744 tk_pred->p_task_flink_same_class = tk->p_task_flink_same_class;
1745 }
1746 tk->p_task_flink_same_class = 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 /* Deallocate structures. */
1871 if (remove)
1872 {
1873 gtk_widget_destroy(tk->button);
1874 task_unlink_class(tk);
1875 }
1876 task_free_names(tk);
1877 g_free(tk->exec_bin);
1878
1879 /* If requested, unlink the task from the task list.
1880 * If not requested, the caller will do this. */
1881 if (unlink)
1882 {
1883 if (tb->p_task_list == tk)
1884 tb->p_task_list = tk->p_task_flink_xwid;
1885 else
1886 {
1887 /* Locate the task and its predecessor in the list and then remove it. For safety, ensure it is found. */
1888 Task * tk_pred = NULL;
1889 Task * tk_cursor;
1890 for (
1891 tk_cursor = tb->p_task_list;
1892 ((tk_cursor != NULL) && (tk_cursor != tk));
1893 tk_pred = tk_cursor, tk_cursor = tk_cursor->p_task_flink_xwid) ;
1894 if (tk_cursor == tk)
1895 tk_pred->p_task_flink_xwid = tk->p_task_flink_xwid;
1896 }
1897 }
1898
1899 /* Deallocate the task structure. */
1900 g_free(tk);
1901 }
1902
1903 /* Get a pixbuf from a pixmap.
1904 * Originally from libwnck, Copyright (C) 2001 Havoc Pennington. */
1905 static GdkPixbuf * _wnck_gdk_pixbuf_get_from_pixmap(Pixmap xpixmap, int width, int height)
1906 {
1907 /* Get the drawable. */
1908 #if GTK_CHECK_VERSION(2, 24, 0)
1909 GdkDrawable * drawable = gdk_x11_window_lookup_for_display(gdk_display_get_default(), xpixmap);
1910 #else
1911 GdkDrawable * drawable = gdk_xid_table_lookup(xpixmap);
1912 #endif
1913 if (drawable != NULL)
1914 g_object_ref(G_OBJECT(drawable));
1915 else
1916 drawable = gdk_pixmap_foreign_new(xpixmap);
1917
1918 GdkColormap * colormap = NULL;
1919 GdkPixbuf * retval = NULL;
1920 if (drawable != NULL)
1921 {
1922 /* Get the colormap.
1923 * If the drawable has no colormap, use no colormap or the system colormap as recommended in the documentation of gdk_drawable_get_colormap. */
1924 colormap = gdk_drawable_get_colormap(drawable);
1925 gint depth = gdk_drawable_get_depth(drawable);
1926 if (colormap != NULL)
1927 g_object_ref(G_OBJECT(colormap));
1928 else if (depth == 1)
1929 colormap = NULL;
1930 else
1931 {
1932 #if GTK_CHECK_VERSION(2, 24, 0)
1933 colormap = gdk_screen_get_system_colormap(gdk_window_get_screen(drawable));
1934 #else
1935 colormap = gdk_screen_get_system_colormap(gdk_drawable_get_screen(drawable));
1936 #endif
1937 g_object_ref(G_OBJECT(colormap));
1938 }
1939
1940 /* Be sure we aren't going to fail due to visual mismatch. */
1941 #if GTK_CHECK_VERSION(2,22,0)
1942 if ((colormap != NULL) && (gdk_visual_get_depth(gdk_colormap_get_visual(colormap)) != depth))
1943 #else
1944 if ((colormap != NULL) && (gdk_colormap_get_visual(colormap)->depth != depth))
1945 #endif
1946 {
1947 g_object_unref(G_OBJECT(colormap));
1948 colormap = NULL;
1949 }
1950
1951 /* Do the major work. */
1952 retval = gdk_pixbuf_get_from_drawable(NULL, drawable, colormap, 0, 0, 0, 0, width, height);
1953 }
1954
1955 /* Clean up and return. */
1956 if (colormap != NULL)
1957 g_object_unref(G_OBJECT(colormap));
1958 if (drawable != NULL)
1959 g_object_unref(G_OBJECT(drawable));
1960 return retval;
1961 }
1962
1963 /* Apply a mask to a pixbuf.
1964 * Originally from libwnck, Copyright (C) 2001 Havoc Pennington. */
1965 static GdkPixbuf * apply_mask(GdkPixbuf * pixbuf, GdkPixbuf * mask)
1966 {
1967 /* Initialize. */
1968 int w = MIN(gdk_pixbuf_get_width(mask), gdk_pixbuf_get_width(pixbuf));
1969 int h = MIN(gdk_pixbuf_get_height(mask), gdk_pixbuf_get_height(pixbuf));
1970 GdkPixbuf * with_alpha = gdk_pixbuf_add_alpha(pixbuf, FALSE, 0, 0, 0);
1971 guchar * dst = gdk_pixbuf_get_pixels(with_alpha);
1972 guchar * src = gdk_pixbuf_get_pixels(mask);
1973 int dst_stride = gdk_pixbuf_get_rowstride(with_alpha);
1974 int src_stride = gdk_pixbuf_get_rowstride(mask);
1975
1976 /* Loop to do the work. */
1977 int i;
1978 for (i = 0; i < h; i += 1)
1979 {
1980 int j;
1981 for (j = 0; j < w; j += 1)
1982 {
1983 guchar * s = src + i * src_stride + j * 3;
1984 guchar * d = dst + i * dst_stride + j * 4;
1985
1986 /* s[0] == s[1] == s[2], they are 255 if the bit was set, 0 otherwise. */
1987 d[3] = ((s[0] == 0) ? 0 : 255); /* 0 = transparent, 255 = opaque */
1988 }
1989 }
1990
1991 return with_alpha;
1992 }
1993
1994 /* Get an icon from the window manager for a task, and scale it to a specified size. */
1995 static GdkPixbuf * get_wm_icon(Window task_win, guint required_width, guint required_height, Atom source, Atom * current_source)
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 = gdk_pixbuf_scale_simple(pixmap, required_width, required_height, GDK_INTERP_TILES);
2236 g_object_unref(pixmap);
2237 *current_source = possible_source;
2238 return ret;
2239 }
2240 }
2241
2242 /* Update the icon of a task. */
2243 static GdkPixbuf * task_update_icon(LaunchTaskBarPlugin * tb, Task * tk, Atom source)
2244 {
2245 /* Get the icon from the window's hints. */
2246 GdkPixbuf * pixbuf = get_wm_icon(tk->win, MAX(0, tb->icon_size - ICON_BUTTON_TRIM),
2247 MAX(0, tb->icon_size - ICON_BUTTON_TRIM),
2248 source, &tk->image_source);
2249
2250 /* If that fails, and we have no other icon yet, return the fallback icon. */
2251 if ((pixbuf == NULL)
2252 && ((source == None) || (tk->image_source == None)))
2253 {
2254 /* Establish the fallback task icon. This is used when no other icon is available. */
2255 if (tb->fallback_pixbuf == NULL)
2256 tb->fallback_pixbuf = gdk_pixbuf_new_from_xpm_data((const char **) icon_xpm);
2257 g_object_ref(tb->fallback_pixbuf);
2258 pixbuf = tb->fallback_pixbuf;
2259 }
2260
2261 /* Return what we have. This may be NULL to indicate that no change should be made to the icon. */
2262 return pixbuf;
2263 }
2264
2265 /* Timer expiration for urgency notification. Also used to draw the button in setting and clearing urgency. */
2266 static void flash_window_update(Task * tk)
2267 {
2268 /* Set state on the button and redraw. */
2269 if ( ! tk->tb->flat_button)
2270 gtk_widget_set_state(tk->button, tk->flash_state ? GTK_STATE_SELECTED : GTK_STATE_NORMAL);
2271 task_draw_label(tk);
2272
2273 /* Complement the flashing context. */
2274 tk->flash_state = ! tk->flash_state;
2275 }
2276
2277 static gboolean flash_window_timeout(gpointer tk)
2278 {
2279 if (g_source_is_destroyed(g_main_current_source()))
2280 return FALSE;
2281 flash_window_update(tk);
2282 return TRUE;
2283 }
2284
2285 /* Set urgency notification. */
2286 static void task_set_urgency(Task * tk)
2287 {
2288 LaunchTaskBarPlugin * tb = tk->tb;
2289 TaskClass * tc = tk->p_taskclass;
2290 if ((tb->grouped_tasks) && (tc != NULL) && (tc->visible_count > 1))
2291 recompute_group_visibility_for_class(tk->tb, tk->p_taskclass);
2292 else
2293 {
2294 /* Set the flashing context and flash the window immediately. */
2295 tk->flash_state = TRUE;
2296 flash_window_update(tk);
2297
2298 /* Set the timer if none is set. */
2299 if (tk->flash_timeout == 0)
2300 set_timer_on_task(tk);
2301 }
2302 }
2303
2304 /* Clear urgency notification. */
2305 static void task_clear_urgency(Task * tk)
2306 {
2307 LaunchTaskBarPlugin * tb = tk->tb;
2308 TaskClass * tc = tk->p_taskclass;
2309 if ((tb->grouped_tasks) && (tc != NULL) && (tc->visible_count > 1))
2310 recompute_group_visibility_for_class(tk->tb, tk->p_taskclass);
2311 else
2312 {
2313 /* Remove the timer if one is set. */
2314 if (tk->flash_timeout != 0)
2315 {
2316 g_source_remove(tk->flash_timeout);
2317 tk->flash_timeout = 0;
2318 }
2319
2320 /* Clear the flashing context and unflash the window immediately. */
2321 tk->flash_state = FALSE;
2322 flash_window_update(tk);
2323 tk->flash_state = FALSE;
2324 }
2325 }
2326
2327 /* Do the proper steps to raise a window.
2328 * This means removing it from iconified state and bringing it to the front.
2329 * We also switch the active desktop and viewport if needed. */
2330 static void task_raise_window(Task * tk, guint32 time)
2331 {
2332 Display *xdisplay = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
2333
2334 /* Change desktop if needed. */
2335 if ((tk->desktop != ALL_WORKSPACES) && (tk->desktop != tk->tb->current_desktop))
2336 Xclimsg(GDK_ROOT_WINDOW(), a_NET_CURRENT_DESKTOP, tk->desktop, 0, 0, 0, 0);
2337
2338 /* Evaluate use_net_active if not yet done. */
2339 if ( ! tk->tb->net_active_checked)
2340 {
2341 LaunchTaskBarPlugin * tb = tk->tb;
2342 GdkAtom net_active_atom = gdk_x11_xatom_to_atom(a_NET_ACTIVE_WINDOW);
2343 tb->use_net_active = gdk_x11_screen_supports_net_wm_hint(tb->screen, net_active_atom);
2344 tb->net_active_checked = TRUE;
2345 }
2346
2347 /* Raise the window. We can use NET_ACTIVE_WINDOW if the window manager supports it.
2348 * Otherwise, do it the old way with XMapRaised and XSetInputFocus. */
2349 if (tk->tb->use_net_active)
2350 Xclimsg(tk->win, a_NET_ACTIVE_WINDOW, 2, time, 0, 0, 0);
2351 else
2352 {
2353 #if GTK_CHECK_VERSION(2, 24, 0)
2354 GdkWindow * gdkwindow = gdk_x11_window_lookup_for_display(gdk_display_get_default(), tk->win);
2355 #else
2356 GdkWindow * gdkwindow = gdk_xid_table_lookup(tk->win);
2357 #endif
2358 if (gdkwindow != NULL)
2359 gdk_window_show(gdkwindow);
2360 else
2361 XMapRaised(xdisplay, tk->win);
2362
2363 /* There is a race condition between the X server actually executing the XMapRaised and this code executing XSetInputFocus.
2364 * If the window is not viewable, the XSetInputFocus will fail with BadMatch. */
2365 XWindowAttributes attr;
2366 Display *xdisplay = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
2367 XGetWindowAttributes(xdisplay, tk->win, &attr);
2368 if (attr.map_state == IsViewable)
2369 XSetInputFocus(xdisplay, tk->win, RevertToNone, time);
2370 }
2371
2372 /* Change viewport if needed. */
2373 XWindowAttributes xwa;
2374 XGetWindowAttributes(xdisplay, tk->win, &xwa);
2375 Xclimsg(tk->win, a_NET_DESKTOP_VIEWPORT, xwa.x, xwa.y, 0, 0, 0);
2376 }
2377
2378 /* Position-calculation callback for grouped-task and window-management popup menu. */
2379 static void taskbar_popup_set_position(GtkWidget * menu, gint * px, gint * py, gboolean * push_in, gpointer data)
2380 {
2381 Task * tk = (Task *) data;
2382
2383 /* Determine the coordinates. */
2384 lxpanel_plugin_popup_set_position_helper(tk->tb->panel, tk->button, menu,
2385 px, py);
2386 *push_in = TRUE;
2387 }
2388
2389 /* Handler for "activate" event from "close all windows" menu*/
2390 static void taskbar_close_all_windows (GtkWidget * widget, Task * tk )
2391 {
2392 Task * tk_cursor;
2393 for (tk_cursor = tk->p_taskclass->p_task_head; tk_cursor != NULL;
2394 tk_cursor = tk_cursor->p_task_flink_same_class)
2395 {
2396 if (task_is_visible_on_current_desktop(tk->tb, tk_cursor))
2397 {
2398 Xclimsgwm(tk_cursor->win, a_WM_PROTOCOLS, a_WM_DELETE_WINDOW);
2399 }
2400 }
2401 task_group_menu_destroy(tk->tb);
2402 }
2403
2404 /* Remove the grouped-task popup menu from the screen. */
2405 static void task_group_menu_destroy(LaunchTaskBarPlugin * tb)
2406 {
2407 if (tb->group_menu != NULL)
2408 {
2409 gtk_widget_destroy(tb->group_menu);
2410 tb->group_menu = NULL;
2411 }
2412 }
2413
2414 /* Handler for "button-press-event" event from taskbar button,
2415 * or "activate" event from grouped-task popup menu item. */
2416 static gboolean taskbar_task_control_event(GtkWidget * widget, GdkEventButton * event, Task * tk, gboolean popup_menu)
2417 {
2418 LaunchTaskBarPlugin * tb = tk->tb;
2419 TaskClass * tc = tk->p_taskclass;
2420 if ((tb->grouped_tasks) && (tc != NULL) && (tc->visible_count > 1) && (GTK_IS_BUTTON(widget)))
2421 {
2422 /* This is grouped-task representative, meaning that there is a class
2423 * with at least two windows. */
2424 GtkWidget * menu = NULL;
2425 if( event->button == 1 ) /* Left click */
2426 {
2427 menu = gtk_menu_new();
2428 /* Bring up a popup menu listing all the class members. */
2429 Task * tk_cursor;
2430 for (tk_cursor = tc->p_task_head; tk_cursor != NULL;
2431 tk_cursor = tk_cursor->p_task_flink_same_class)
2432 {
2433 if (task_is_visible_on_current_desktop(tb, tk_cursor))
2434 {
2435 /* The menu item has the name, or the iconified name, and
2436 * the icon of the application window. */
2437 GtkWidget * mi = gtk_image_menu_item_new_with_label(((tk_cursor->iconified) ?
2438 tk_cursor->name_iconified : tk_cursor->name));
2439 GtkWidget * im = gtk_image_new_from_pixbuf(gtk_image_get_pixbuf(
2440 GTK_IMAGE(tk_cursor->image)));
2441 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(mi), im);
2442 g_signal_connect(mi, "button-press-event",
2443 G_CALLBACK(taskbar_popup_activate_event), (gpointer) tk_cursor);
2444 gtk_menu_shell_append(GTK_MENU_SHELL(menu), mi);
2445 }
2446 }
2447 }
2448 else if(event->button == 3) /* Right click */
2449 {
2450 menu = gtk_menu_new();
2451 GtkWidget * mi = gtk_menu_item_new_with_mnemonic (_("_Close all windows"));
2452 gtk_menu_shell_append ( GTK_MENU_SHELL(menu), mi);
2453 g_signal_connect( mi, "activate", G_CALLBACK(taskbar_close_all_windows), tk);
2454 }
2455
2456 /* Show the menu. Set context so we can find the menu later to dismiss it.
2457 * Use a position-calculation callback to get the menu nicely
2458 * positioned with respect to the button. */
2459 if (menu) {
2460 gtk_widget_show_all(menu);
2461 task_group_menu_destroy(tb);
2462 tb->group_menu = menu;
2463 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
2464 (GtkMenuPositionFunc) taskbar_popup_set_position, (gpointer) tk,
2465 event->button, event->time);
2466 }
2467 }
2468 else
2469 {
2470 /* Not a grouped-task representative, or entered from the grouped-task popup menu. */
2471 Task * visible_task = (((tk->p_taskclass == NULL) || ( ! tk->tb->grouped_tasks)) ? tk : tk->p_taskclass->p_task_visible);
2472 task_group_menu_destroy(tb);
2473
2474 if (event->button == 1)
2475 {
2476 Display *xdisplay = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
2477 /* Left button.
2478 * If the task is iconified, raise it.
2479 * If the task is not iconified and has focus, iconify it.
2480 * If the task is not iconified and does not have focus, raise it. */
2481 if (tk->iconified)
2482 task_raise_window(tk, event->time);
2483 else if ((tk->focused) || (tk == tb->focused_previous))
2484 XIconifyWindow(xdisplay, tk->win, DefaultScreen(xdisplay));
2485 else
2486 task_raise_window(tk, event->time);
2487 }
2488 else if (event->button == 2)
2489 {
2490 /* Middle button. Toggle the shaded state of the window. */
2491 Xclimsg(tk->win, a_NET_WM_STATE,
2492 2, /* a_NET_WM_STATE_TOGGLE */
2493 a_NET_WM_STATE_SHADED,
2494 0, 0, 0);
2495 }
2496 else if(event->button == 3)
2497 {
2498 /* Right button. Bring up the window state popup menu. */
2499 tk->tb->menutask = tk;
2500 #ifndef DISABLE_MENU
2501 LaunchTaskBarPlugin *ltbp = (LaunchTaskBarPlugin *)tk->tb;
2502 if(ltbp->mode == LAUNCHTASKBAR)
2503 {
2504 FmFileInfo *fi = f_find_menu_launchbutton_recursive(tk->exec_bin);
2505 LaunchButton *btn = launchbar_exec_bin_exists(ltbp, fi);
2506 /* FIXME: shouldn't we make file info at task button creation? */
2507 #ifdef DEBUG_WITH_GPRINTS
2508 g_print("\nTB '%s' right-click, in LB: %c\n", tk->exec_bin, btn != NULL ? 'Y':'N');
2509 #endif
2510 if(btn != NULL)
2511 {
2512 gtk_widget_set_visible(ltbp->p_menuitem_lock_tbp, FALSE);
2513 gtk_widget_set_visible(ltbp->p_menuitem_unlock_tbp, TRUE);
2514 gtk_widget_set_visible(ltbp->p_menuitem_new_instance, TRUE);
2515 }
2516 else
2517 {
2518 gtk_widget_set_visible(ltbp->p_menuitem_lock_tbp, fi != NULL);
2519 gtk_widget_set_visible(ltbp->p_menuitem_unlock_tbp, FALSE);
2520 gtk_widget_set_visible(ltbp->p_menuitem_new_instance, fi != NULL);
2521 }
2522 gtk_widget_set_visible(ltbp->p_menuitem_separator, TRUE);
2523 if (fi)
2524 fm_file_info_unref(fi);
2525 }
2526 else
2527 {
2528 gtk_widget_set_visible(ltbp->p_menuitem_lock_tbp, FALSE);
2529 gtk_widget_set_visible(ltbp->p_menuitem_unlock_tbp, FALSE);
2530 gtk_widget_set_visible(ltbp->p_menuitem_new_instance, FALSE);
2531 gtk_widget_set_visible(ltbp->p_menuitem_separator, FALSE);
2532 }
2533 #endif
2534 if (tb->workspace_menu0)
2535 {
2536 GList *items = gtk_container_get_children(GTK_CONTAINER(gtk_widget_get_parent(tb->workspace_menu0)));
2537 GList *item = g_list_find(items, tb->workspace_menu0);
2538 int i;
2539 if (item != NULL) /* else error */
2540 for (i = 0; i < tb->number_of_desktops; i++, item = item->next)
2541 gtk_widget_set_sensitive(item->data, i != tk->desktop);
2542 g_list_free(items);
2543 }
2544 gtk_menu_popup(
2545 GTK_MENU(tb->menu),
2546 NULL, NULL,
2547 (GtkMenuPositionFunc) taskbar_popup_set_position, (gpointer) visible_task,
2548 event->button, event->time);
2549 }
2550 }
2551
2552 /* As a matter of policy, avoid showing selected or prelight states on flat buttons. */
2553 if (tb->flat_button)
2554 gtk_widget_set_state(widget, GTK_STATE_NORMAL);
2555 return TRUE;
2556 }
2557
2558 /* Handler for "button-press-event" event from taskbar button. */
2559 static gboolean taskbar_button_press_event(GtkWidget * widget, GdkEventButton * event, Task * tk)
2560 {
2561 return taskbar_task_control_event(widget, event, tk, FALSE);
2562 }
2563
2564 /* Handler for "activate" event from grouped-task popup menu item. */
2565 static gboolean taskbar_popup_activate_event(GtkWidget * widget, GdkEventButton * event, Task * tk)
2566 {
2567 return taskbar_task_control_event(widget, event, tk, TRUE);
2568 }
2569
2570 /* Handler for "drag-motion" timeout. */
2571 static gboolean taskbar_button_drag_motion_timeout(Task * tk)
2572 {
2573 guint time;
2574 if (g_source_is_destroyed(g_main_current_source()))
2575 return FALSE;
2576 time = gtk_get_current_event_time();
2577 task_raise_window(tk, ((time != 0) ? time : CurrentTime));
2578 tk->tb->dnd_delay_timer = 0;
2579 return FALSE;
2580 }
2581
2582 /* Handler for "drag-motion" event from taskbar button. */
2583 static gboolean taskbar_button_drag_motion(GtkWidget * widget, GdkDragContext * drag_context, gint x, gint y, guint time, Task * tk)
2584 {
2585 GtkWidget * drag_source = gtk_drag_get_source_widget(drag_context);
2586 if (drag_source != NULL && gtk_widget_get_parent(drag_source) == gtk_widget_get_parent(tk->button))
2587 {
2588 gdk_drag_status(drag_context, GDK_ACTION_MOVE, time);
2589 }
2590 else
2591 {
2592 /* Prevent excessive motion notification. */
2593 if (tk->tb->dnd_delay_timer == 0)
2594 tk->tb->dnd_delay_timer = g_timeout_add(DRAG_ACTIVE_DELAY, (GSourceFunc) taskbar_button_drag_motion_timeout, tk);
2595
2596 gdk_drag_status(drag_context, 0, time);
2597 }
2598 return TRUE;
2599 }
2600
2601 /* Handler for "drag-drop" event from taskbar button. */
2602 static gboolean taskbar_button_drag_drop(GtkWidget * widget, GdkDragContext * drag_context, gint x, gint y, guint time, Task * tk)
2603 {
2604 GtkWidget * drag_source = gtk_drag_get_source_widget(drag_context);
2605 if (drag_source != NULL && gtk_widget_get_parent(drag_source) == gtk_widget_get_parent(tk->button))
2606 {
2607 if (drag_source != tk->button)
2608 {
2609 PanelIconGrid *ig = PANEL_ICON_GRID(tk->tb->tb_icon_grid);
2610 gint i = panel_icon_grid_get_child_position(ig, tk->button);
2611 panel_icon_grid_reorder_child(ig, drag_source, i);
2612 }
2613 gtk_drag_finish(drag_context, TRUE, TRUE, time);
2614 return TRUE;
2615 }
2616
2617 return FALSE;
2618 }
2619
2620 /* Handler for "drag-leave" event from taskbar button. */
2621 static void taskbar_button_drag_leave(GtkWidget * widget, GdkDragContext * drag_context, guint time, Task * tk)
2622 {
2623 /* Cancel the timer if set. */
2624 if (tk->tb->dnd_delay_timer != 0)
2625 {
2626 g_source_remove(tk->tb->dnd_delay_timer);
2627 tk->tb->dnd_delay_timer = 0;
2628 }
2629 return;
2630 }
2631
2632 /* Handler for "enter" event from taskbar button. This indicates that the cursor position has entered the button. */
2633 static void taskbar_button_enter(GtkWidget * widget, Task * tk)
2634 {
2635 tk->entered_state = TRUE;
2636 if (tk->tb->flat_button)
2637 gtk_widget_set_state(widget, GTK_STATE_NORMAL);
2638 task_draw_label(tk);
2639 }
2640
2641 /* Handler for "leave" event from taskbar button. This indicates that the cursor position has left the button. */
2642 static void taskbar_button_leave(GtkWidget * widget, Task * tk)
2643 {
2644 tk->entered_state = FALSE;
2645 task_draw_label(tk);
2646 }
2647
2648 /* Handler for "scroll-event" event from taskbar button. */
2649 static gboolean taskbar_button_scroll_event(GtkWidget * widget, GdkEventScroll * event, Task * tk)
2650 {
2651 LaunchTaskBarPlugin * tb = tk->tb;
2652 TaskClass * tc = tk->p_taskclass;
2653 if ((tb->use_mouse_wheel)
2654 && (( ! tb->grouped_tasks) || (tc == NULL) || (tc->visible_count == 1)))
2655 {
2656 if ((event->direction == GDK_SCROLL_UP) || (event->direction == GDK_SCROLL_LEFT))
2657 task_raise_window(tk, event->time);
2658 else
2659 {
2660 Display *xdisplay = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
2661 XIconifyWindow(xdisplay, tk->win, DefaultScreen(xdisplay));
2662 }
2663 }
2664 return TRUE;
2665 }
2666
2667 /* Handler for "size-allocate" event from taskbar button. */
2668 static void taskbar_button_size_allocate(GtkWidget * btn, GtkAllocation * alloc, Task * tk)
2669 {
2670 #if GTK_CHECK_VERSION(2, 20, 0)
2671 if (gtk_widget_get_realized(btn))
2672 #else
2673 if (GTK_WIDGET_REALIZED(btn))
2674 #endif
2675 {
2676 /* Get the coordinates of the button. */
2677 int x, y;
2678 #if GTK_CHECK_VERSION(2,22,0)
2679 gdk_window_get_origin(gtk_button_get_event_window(GTK_BUTTON(btn)), &x, &y);
2680 #else
2681 gdk_window_get_origin(GTK_BUTTON(btn)->event_window, &x, &y);
2682 #endif
2683
2684
2685 /* Send a NET_WM_ICON_GEOMETRY property change on the window. */
2686 guint32 data[4];
2687 data[0] = x;
2688 data[1] = y;
2689 data[2] = alloc->width;
2690 data[3] = alloc->height;
2691 XChangeProperty(GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), tk->win,
2692 gdk_x11_get_xatom_by_name("_NET_WM_ICON_GEOMETRY"),
2693 XA_CARDINAL, 32, PropModeReplace, (guchar *) &data, 4);
2694 }
2695 }
2696
2697 /* Update style on the taskbar when created or after a configuration change. */
2698 static void taskbar_update_style(LaunchTaskBarPlugin * tb)
2699 {
2700 panel_icon_grid_set_geometry(PANEL_ICON_GRID(tb->tb_icon_grid),
2701 panel_get_orientation(tb->panel),
2702 ((tb->icons_only) ? tb->icon_size + ICON_ONLY_EXTRA : tb->task_width_max),
2703 tb->icon_size, tb->spacing, 0, panel_get_height(tb->panel));
2704 }
2705
2706 /* Update style on a task button when created or after a configuration change. */
2707 static void task_update_style(Task * tk, LaunchTaskBarPlugin * tb)
2708 {
2709 if (tb->icons_only)
2710 gtk_widget_hide(tk->label);
2711 else
2712 gtk_widget_show(tk->label);
2713
2714 if( tb->flat_button )
2715 {
2716 gtk_toggle_button_set_active((GtkToggleButton*)tk->button, FALSE);
2717 gtk_button_set_relief(GTK_BUTTON(tk->button), GTK_RELIEF_NONE);
2718 }
2719 else
2720 {
2721 gtk_toggle_button_set_active((GtkToggleButton*)tk->button, tk->focused);
2722 gtk_button_set_relief(GTK_BUTTON(tk->button), GTK_RELIEF_NORMAL);
2723 }
2724
2725 task_draw_label(tk);
2726 }
2727
2728 enum {
2729 TARGET_TASK_BUTTON
2730 };
2731
2732 static GtkTargetEntry task_button_target_list[] = {
2733 { "task_button", GTK_TARGET_SAME_APP, TARGET_TASK_BUTTON }
2734 };
2735
2736 static guint task_button_n_targets = G_N_ELEMENTS(task_button_target_list);
2737
2738 /* Build graphic elements needed for a task button. */
2739 static void task_build_gui(LaunchTaskBarPlugin * tb, Task * tk)
2740 {
2741 GdkDisplay *display = gdk_display_get_default();
2742 /* NOTE
2743 * 1. the extended mask is sum of taskbar and pager needs
2744 * see bug [ 940441 ] pager loose track of windows
2745 *
2746 * Do not change event mask to gtk windows spawned by this gtk client
2747 * this breaks gtk internals */
2748 #if GTK_CHECK_VERSION(2, 24, 0)
2749 if (!gdk_x11_window_lookup_for_display(display, tk->win))
2750 #else
2751 if (! gdk_window_lookup(tk->win))
2752 #endif
2753 XSelectInput(GDK_DISPLAY_XDISPLAY(display), tk->win,
2754 PropertyChangeMask | StructureNotifyMask);
2755
2756 /* Allocate a toggle button as the top level widget. */
2757 tk->button = gtk_toggle_button_new();
2758 gtk_container_set_border_width(GTK_CONTAINER(tk->button), 0);
2759 if (!tb->flat_button)
2760 gtk_widget_set_state(tk->button, GTK_STATE_NORMAL);
2761 gtk_drag_dest_set(tk->button, 0, NULL, 0, 0);
2762 gtk_drag_source_set(tk->button, GDK_BUTTON1_MASK, task_button_target_list, task_button_n_targets, GDK_ACTION_MOVE);
2763
2764 /* Connect signals to the button. */
2765 g_signal_connect(tk->button, "button-press-event", G_CALLBACK(taskbar_button_press_event), (gpointer) tk);
2766 g_signal_connect(G_OBJECT(tk->button), "drag-motion", G_CALLBACK(taskbar_button_drag_motion), (gpointer) tk);
2767 g_signal_connect(G_OBJECT(tk->button), "drag-leave", G_CALLBACK(taskbar_button_drag_leave), (gpointer) tk);
2768 g_signal_connect(G_OBJECT(tk->button), "drag-drop", G_CALLBACK(taskbar_button_drag_drop), (gpointer) tk);
2769 g_signal_connect_after(G_OBJECT (tk->button), "enter", G_CALLBACK(taskbar_button_enter), (gpointer) tk);
2770 g_signal_connect_after(G_OBJECT (tk->button), "leave", G_CALLBACK(taskbar_button_leave), (gpointer) tk);
2771 g_signal_connect_after(G_OBJECT(tk->button), "scroll-event", G_CALLBACK(taskbar_button_scroll_event), (gpointer) tk);
2772 g_signal_connect(tk->button, "size-allocate", G_CALLBACK(taskbar_button_size_allocate), (gpointer) tk);
2773
2774 /* Create a box to contain the application icon and window title. */
2775 GtkWidget * container = gtk_hbox_new(FALSE, 1);
2776 gtk_container_set_border_width(GTK_CONTAINER(container), 0);
2777
2778 /* Create an image to contain the application icon and add it to the box. */
2779 GdkPixbuf* pixbuf = task_update_icon(tb, tk, None);
2780 tk->image = gtk_image_new_from_pixbuf(pixbuf);
2781 gtk_misc_set_padding(GTK_MISC(tk->image), 0, 0);
2782 g_object_unref(pixbuf);
2783 gtk_widget_show(tk->image);
2784 gtk_box_pack_start(GTK_BOX(container), tk->image, FALSE, FALSE, 0);
2785
2786 /* Create a label to contain the window title and add it to the box. */
2787 tk->label = gtk_label_new(NULL);
2788 gtk_misc_set_alignment(GTK_MISC(tk->label), 0.0, 0.5);
2789 gtk_label_set_ellipsize(GTK_LABEL(tk->label), PANGO_ELLIPSIZE_END);
2790 gtk_box_pack_start(GTK_BOX(container), tk->label, TRUE, TRUE, 0);
2791
2792 /* Add the box to the button. */
2793 gtk_container_add(GTK_CONTAINER(tk->button), container);
2794 // gtk_widget_show(container);
2795 gtk_container_set_border_width(GTK_CONTAINER(tk->button), 0);
2796
2797 /* Add the button to the taskbar. */
2798 gtk_container_add(GTK_CONTAINER(tb->tb_icon_grid), tk->button);
2799 gtk_widget_show_all(tk->button);
2800 gtk_widget_set_can_focus(GTK_WIDGET(tk->button),FALSE);
2801 gtk_widget_set_can_default(GTK_WIDGET(tk->button),FALSE);
2802
2803 /* Update styles on the button. */
2804 task_update_style(tk, tb);
2805
2806 /* Flash button for window with urgency hint. */
2807 if (tk->urgency)
2808 task_set_urgency(tk);
2809 }
2810
2811 /* Determine which monitor a given window is associated with */
2812 static gint get_window_monitor(Window win)
2813 {
2814 GdkDisplay *display;
2815 GdkWindow *gwin;
2816 gint m;
2817
2818 display = gdk_display_get_default();
2819 g_assert(display);
2820 gwin = gdk_x11_window_foreign_new_for_display(display,win);
2821 g_assert(gwin);
2822 m = gdk_screen_get_monitor_at_window(gdk_window_get_screen(gwin),gwin);
2823 g_object_unref(gwin);
2824 return m;
2825 }
2826
2827 /*****************************************************
2828 * handlers for NET actions *
2829 *****************************************************/
2830
2831 /* Handler for "client-list" event from root window listener. */
2832 static void taskbar_net_client_list(GtkWidget * widget, LaunchTaskBarPlugin * tb)
2833 {
2834 LaunchTaskBarPlugin *ltbp = tb;
2835 if(ltbp->mode == LAUNCHBAR) return;
2836
2837 /* Get the NET_CLIENT_LIST property. */
2838 int client_count;
2839 Window * client_list = get_xaproperty(GDK_ROOT_WINDOW(), a_NET_CLIENT_LIST, XA_WINDOW, &client_count);
2840 if (client_list != NULL)
2841 {
2842 /* Loop over client list, correlating it with task list. */
2843 int i;
2844 for (i = 0; i < client_count; i++)
2845 {
2846 /* Search for the window in the task list. Set up context to do an insert right away if needed. */
2847 Task * tk_pred = NULL;
2848 Task * tk_cursor;
2849 Task * tk = NULL;
2850 for (tk_cursor = tb->p_task_list; tk_cursor != NULL; tk_pred = tk_cursor, tk_cursor = tk_cursor->p_task_flink_xwid)
2851 {
2852 if (tk_cursor->win == client_list[i])
2853 {
2854 tk = tk_cursor;
2855 break;
2856 }
2857 if (tk_cursor->win > client_list[i])
2858 break;
2859 }
2860
2861 /* Task is already in task list. */
2862 if (tk != NULL)
2863 tk->present_in_client_list = TRUE;
2864
2865 /* Task is not in task list. */
2866 else
2867 {
2868 /* Evaluate window state and window type to see if it should be in task list. */
2869 NetWMWindowType nwwt;
2870 NetWMState nws;
2871 get_net_wm_state(client_list[i], &nws);
2872 get_net_wm_window_type(client_list[i], &nwwt);
2873 if ((accept_net_wm_state(&nws))
2874 && (accept_net_wm_window_type(&nwwt)))
2875 {
2876 /* Allocate and initialize new task structure. */
2877 tk = g_new0(Task, 1);
2878 tk->present_in_client_list = TRUE;
2879 tk->win = client_list[i];
2880 tk->tb = tb;
2881 tk->name_source = None;
2882 tk->image_source = None;
2883 tk->iconified = (get_wm_state(tk->win) == IconicState);
2884 tk->desktop = get_net_wm_desktop(tk->win);
2885 if (tb->same_monitor_only)
2886 tk->monitor = get_window_monitor(tk->win);
2887 if (tb->use_urgency_hint)
2888 tk->urgency = task_has_urgency(tk);
2889 task_build_gui(tb, tk);
2890 task_set_names(tk, None);
2891 task_set_class(tk);
2892
2893 /* Link the task structure into the task list. */
2894 if (tk_pred == NULL)
2895 {
2896 tk->p_task_flink_xwid = tb->p_task_list;
2897 tb->p_task_list = tk;
2898 }
2899 else
2900 {
2901 tk->p_task_flink_xwid = tk_pred->p_task_flink_xwid;
2902 tk_pred->p_task_flink_xwid = tk;
2903 }
2904 }
2905 }
2906 }
2907 XFree(client_list);
2908 }
2909
2910 /* Remove windows from the task list that are not present in the NET_CLIENT_LIST. */
2911 Task * tk_pred = NULL;
2912 Task * tk = tb->p_task_list;
2913 while (tk != NULL)
2914 {
2915 Task * tk_succ = tk->p_task_flink_xwid;
2916 if (tk->present_in_client_list)
2917 {
2918 tk->present_in_client_list = FALSE;
2919 tk_pred = tk;
2920 }
2921 else
2922 {
2923 if (tk_pred == NULL)
2924 tb->p_task_list = tk_succ;
2925 else tk_pred->p_task_flink_xwid = tk_succ;
2926 task_delete(tb, tk, FALSE, TRUE);
2927 }
2928 tk = tk_succ;
2929 }
2930
2931 /* Redraw the taskbar. */
2932 taskbar_redraw(tb);
2933 }
2934
2935 /* Handler for "current-desktop" event from root window listener. */
2936 static void taskbar_net_current_desktop(GtkWidget * widget, LaunchTaskBarPlugin * tb)
2937 {
2938 LaunchTaskBarPlugin *ltbp = tb;
2939 if(ltbp->mode == LAUNCHBAR) return;
2940
2941 /* Store the local copy of current desktops. Redisplay the taskbar. */
2942 tb->current_desktop = get_net_current_desktop();
2943 recompute_group_visibility_on_current_desktop(tb);
2944 taskbar_redraw(tb);
2945 }
2946
2947 /* Handler for "number-of-desktops" event from root window listener. */
2948 static void taskbar_net_number_of_desktops(GtkWidget * widget, LaunchTaskBarPlugin * tb)
2949 {
2950 LaunchTaskBarPlugin *ltbp = tb;
2951 if(ltbp->mode == LAUNCHBAR) return;
2952
2953 /* Store the local copy of number of desktops. Recompute the popup menu and redisplay the taskbar. */
2954 tb->number_of_desktops = get_net_number_of_desktops();
2955 taskbar_make_menu(tb);
2956 taskbar_redraw(tb);
2957 }
2958