Adding upstream version 0.9.0.
[debian/lxpanel.git] / plugins / pager.c
1 /* pager.c -- pager module of lxpanel project
2 *
3 * Copyright (C) 2009 Dongxu Li <song6song@sourceforge.net>
4 * 2012 Julien Lavergne <gilir@ubuntu.com>
5 * 2014 Andriy Grytsenko <andrej@rep.kiev.ua>
6 *
7 * This file is part of lxpanel.
8 *
9 * lxpanel is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2, or (at your option)
12 * any later version.
13 *
14 * lxpanel is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with sawfish; see the file COPYING. If not, write to
21 * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
22 * Boston, MA 02110-1301 USA.
23 */
24
25 #include <gtk/gtk.h>
26 #include <gdk/gdkx.h>
27 #include <libfm/fm-gtk.h>
28
29 #include <glib/gi18n.h>
30 #ifndef WNCK_I_KNOW_THIS_IS_UNSTABLE
31 #define WNCK_I_KNOW_THIS_IS_UNSTABLE
32 #endif
33 #include <libwnck/libwnck.h>
34
35 #include "plugin.h"
36
37 typedef struct
38 {
39 WnckPager *pager;
40 gint border;
41 } PagerData;
42
43 /* command to configure desktop, it will be set by .config callback */
44 static const char *configure_command = NULL;
45
46 static void on_realize(GtkWidget *p, LXPanel *panel)
47 {
48 PagerData *d = lxpanel_plugin_get_data(p);
49 int rows, r, h = panel_get_height(panel) - 2 * d->border;
50
51 /* set geometry */
52 wnck_pager_set_orientation(d->pager, panel_get_orientation(panel));
53 if (panel_get_orientation(panel) == GTK_ORIENTATION_VERTICAL)
54 h *= ((gfloat) gdk_screen_height() / (gfloat) gdk_screen_width());
55 rows = h / (panel_get_icon_size(panel) * 2) + 1; /* min */
56 r = (h - 2) / panel_get_icon_size(panel); /* max */
57 /* g_debug("pager for height %d and icon size %d: %d to %d",panel_get_height(panel),panel_get_icon_size(panel),r,rows); */
58 rows = MAX(rows, r);
59 wnck_pager_set_n_rows(d->pager, rows);
60 }
61
62 static void on_size_allocate(GtkWidget *p, GdkRectangle *allocation, LXPanel *panel)
63 {
64 /* g_debug("pager: on_size_allocate(): %dx%d", allocation->width, allocation->height); */
65 on_realize(p, panel);
66 }
67
68 static GtkWidget *pager_constructor(LXPanel *panel, config_setting_t *settings)
69 {
70 GtkWidget *p, *w;
71 PagerData *d;
72 int border = 1; /* NOTE: old 'pager' used 2, WnckPager has 1, need 1 more */
73
74 /* FIXME: use some global setting for border */
75 #if GTK_CHECK_VERSION(3, 0, 0)
76 w = wnck_pager_new();
77 #else
78 w = wnck_pager_new(NULL);
79 #endif
80 g_return_val_if_fail(w != NULL, NULL);
81 d = g_new(PagerData, 1);
82 d->pager = WNCK_PAGER(w);
83 d->border = border;
84 p = gtk_event_box_new();
85 gtk_widget_set_has_window(p, FALSE);
86 lxpanel_plugin_set_data(p, d, g_free);
87
88 /* we cannot configure pager until it added into widgets hierarchy */
89 g_signal_connect(p, "realize", G_CALLBACK(on_realize), panel);
90 g_signal_connect(p, "size-allocate", G_CALLBACK(on_size_allocate), panel);
91 wnck_pager_set_display_mode(d->pager, WNCK_PAGER_DISPLAY_CONTENT);
92
93 gtk_widget_show(w);
94
95 /* add an additional container to setup a border */
96 w = gtk_event_box_new();
97 gtk_widget_set_has_window(w, FALSE);
98 gtk_container_set_border_width(GTK_CONTAINER(w), border);
99 gtk_container_add(GTK_CONTAINER(w), (GtkWidget*)d->pager);
100 gtk_widget_show(w);
101 gtk_container_add(GTK_CONTAINER(p), w);
102
103 return p;
104 }
105
106 /* this is a modified version of patch from Lubuntu */
107 static GtkWidget *pager_configure(LXPanel *panel, GtkWidget *instance)
108 {
109 if (configure_command)
110 fm_launch_command_simple(NULL, NULL, G_APP_INFO_CREATE_NONE,
111 configure_command, NULL);
112 else
113 fm_show_error(NULL, NULL,
114 _("Sorry, there was no window manager configuration program found."));
115 return NULL; /* no configuration dialog of lxpanel available */
116 }
117
118 static void pager_menu_callback(GtkWidget *widget, gpointer data)
119 {
120 gtk_widget_set_sensitive(widget, FALSE);
121 }
122
123 static gboolean pager_update_context_menu(GtkWidget *plugin, GtkMenu *menu)
124 {
125 GdkScreen *screen = gtk_widget_get_screen(plugin);
126 const char *wm_name = gdk_x11_screen_get_window_manager_name(screen);
127 char *path = NULL;
128
129 /* update configure_command */
130 configure_command = NULL;
131 if (g_strcmp0(wm_name, "Openbox") == 0)
132 {
133 if ((path = g_find_program_in_path("obconf")))
134 {
135 configure_command = "obconf --tab 6";
136 }
137 }
138 else if (g_strcmp0(wm_name, "compiz") == 0)
139 {
140 if ((path = g_find_program_in_path("ccsm")))
141 {
142 configure_command = "ccsm";
143 }
144 else if ((path = g_find_program_in_path("simple-ccsm")))
145 {
146 configure_command = "simple-ccsm";
147 }
148 }
149 /* FIXME: support other WMs */
150 if (configure_command == NULL)
151 {
152 /* disable 'Settings' menu item */
153 gtk_container_foreach(GTK_CONTAINER(menu), pager_menu_callback, NULL);
154 }
155 /* FIXME: else replace 'Settings' item label with "Launch Workspaces Configurator (%s)" */
156 g_free(path);
157 return FALSE;
158 }
159
160 static void pager_panel_configuration_changed(LXPanel *panel, GtkWidget *p)
161 {
162 on_realize(p, panel);
163 }
164
165 static LXPanelPluginInit wnck_pager = {
166 .name = N_("Desktop Pager"),
167 .description = N_("Simple pager plugin"),
168
169 .superseded = TRUE,
170 .new_instance = pager_constructor,
171 .config = pager_configure,
172 .update_context_menu = pager_update_context_menu,
173 .reconfigure = pager_panel_configuration_changed
174 };
175
176 static void pager_wnck_init(void)
177 {
178 lxpanel_register_plugin_type("wnckpager", &wnck_pager);
179 }
180
181 LXPanelPluginInit lxpanel_static_plugin_pager = {
182 .name = N_("Desktop Pager"),
183 .description = N_("Simple pager plugin"),
184
185 .init = pager_wnck_init,
186 .new_instance = pager_constructor,
187 .config = pager_configure,
188 .update_context_menu = pager_update_context_menu,
189 .reconfigure = pager_panel_configuration_changed
190 };