aboutsummaryrefslogtreecommitdiff
path: root/src/applet-main.c
blob: e28009d85ff44ba8bc4ff00936676747d52086d2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
/*
A small wrapper utility to load indicators and put them as menu items
into the gnome-panel using it's applet interface.

Copyright 2009 Canonical Ltd.

Authors:
    Ted Gould <ted@canonical.com>

This program is free software: you can redistribute it and/or modify it 
under the terms of the GNU General Public License version 3, as published 
by the Free Software Foundation.

This program is distributed in the hope that it will be useful, but 
WITHOUT ANY WARRANTY; without even the implied warranties of 
MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR 
PURPOSE.  See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along 
with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include <config.h>
#include <panel-applet.h>
#include <libgnomeui/gnome-ui-init.h>

#include "libindicator/indicator.h"

#define ICONS_DIR  (DATADIR G_DIR_SEPARATOR_S "indicator-applet" G_DIR_SEPARATOR_S "icons")

static gboolean     applet_fill_cb (PanelApplet * applet, const gchar * iid, gpointer data);


static void cw_panel_background_changed (PanelApplet               *applet,
                                         PanelAppletBackgroundType  type,
                        				         GdkColor                  *colour,
                        				         GdkPixmap                 *pixmap,
                                         GtkWidget                 *menubar);

/* ****************** *
 *  Global Variables  *
 * ****************** */

static GnomeProgram *program = NULL;


/*************
 * main
 * ***********/

PANEL_APPLET_BONOBO_FACTORY ("OAFIID:GNOME_IndicatorApplet_Factory",
               PANEL_TYPE_APPLET,
               "indicator-applet", "0",
               applet_fill_cb, NULL);

/*************
 * init function
 * ***********/
static gboolean
load_module (const gchar * name, GtkWidget * menu)
{
	g_debug("Looking at Module: %s", name);
	g_return_val_if_fail(name != NULL, FALSE);

	guint suffix_len = strlen(G_MODULE_SUFFIX);
	guint name_len = strlen(name);

	g_return_val_if_fail(name_len > suffix_len, FALSE);

	int i;
	for (i = 0; i < suffix_len; i++) {
		if (name[(name_len - suffix_len) + i] != (G_MODULE_SUFFIX)[i])
			return FALSE;
	}
	g_debug("Loading Module: %s", name);

	gchar * fullpath = g_build_filename(INDICATOR_DIR, name, NULL);
	GModule * module = g_module_open(fullpath,
                                     G_MODULE_BIND_LAZY | G_MODULE_BIND_LOCAL);
	g_free(fullpath);
	g_return_val_if_fail(module != NULL, FALSE);

	gchar * version;
	g_return_val_if_fail(g_module_symbol(module, INDICATOR_VERSION_S, (gpointer *)(&version)), FALSE);
	g_return_val_if_fail(INDICATOR_VERSION_CHECK(version), FALSE);

	get_label_t lget_label;
	g_return_val_if_fail(g_module_symbol(module, INDICATOR_GET_LABEL_S, (gpointer *)(&lget_label)), FALSE);
	g_return_val_if_fail(lget_label != NULL, FALSE);

	get_icon_t lget_icon;
	g_return_val_if_fail(g_module_symbol(module, INDICATOR_GET_LABEL_S, (gpointer *)(&lget_icon)), FALSE);
	g_return_val_if_fail(lget_icon != NULL, FALSE);

	get_menu_t lget_menu;
	g_return_val_if_fail(g_module_symbol(module, INDICATOR_GET_LABEL_S, (gpointer *)(&lget_menu)), FALSE);
	g_return_val_if_fail(lget_menu != NULL, FALSE);

	GtkWidget * menuitem = GTK_WIDGET(lget_menu());
	g_return_val_if_fail(GTK_MENU_ITEM(menuitem), FALSE);

	gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);

	return TRUE;
}

static gboolean
menubar_press (GtkWidget * widget,
                    GdkEventButton *event,
                    gpointer data)
{
	if (event->button != 1) {
		g_signal_stop_emission_by_name(widget, "button-press-event");
	}

	return FALSE;
}

static gboolean
menubar_on_expose (GtkWidget * widget,
                    GdkEventExpose *event,
                    GtkWidget * menubar)
{
	if (GTK_WIDGET_HAS_FOCUS(menubar))
		gtk_paint_focus(widget->style, widget->window, GTK_WIDGET_STATE(menubar),
		                NULL, widget, "menubar-applet", 0, 0, -1, -1);

	return FALSE;
}

static void
about_cb (BonoboUIComponent *ui_container,
	  gpointer           data,
	  const gchar       *cname)
{
	static const gchar *authors[] = {
		"Ted Gould <ted@canonical.com>",
		NULL
	};

	static gchar *license[] = {
        N_("This program is free software: you can redistribute it and/or modify it "
           "under the terms of the GNU General Public License version 3, as published "
           "by the Free Software Foundation."),
        N_("This program is distributed in the hope that it will be useful, but "
           "WITHOUT ANY WARRANTY; without even the implied warranties of "
           "MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR "
           "PURPOSE.  See the GNU General Public License for more details."),
        N_("You should have received a copy of the GNU General Public License along "
           "with this program.  If not, see <http://www.gnu.org/licenses/>."),
		NULL
	};
	gchar *license_i18n;

	license_i18n = g_strconcat (_(license[0]), "\n\n", _(license[1]), "\n\n", _(license[2]), NULL);

	gtk_show_about_dialog(NULL,
		"version", "0.1",
		"copyright", "Copyright \xc2\xa9 2009 Canonical, Ltd.",
		"comments", _("An applet to hold all of the system indicators."),
		"authors", authors,
		"license", license_i18n,
		"wrap-license", TRUE,
		"translator-credits", _("translator-credits"),
		"logo-icon-name", "indicator-applet",
		"icon-name", "indicator-applet",
		"website", "http://launchpad.net/indicator-applet",
		"website-label", _("Indicator Applet Website"),
		NULL
	);

	g_free (license_i18n);

	return;
}

#ifdef N_
#undef N_
#endif
#define N_(x) x

static gboolean
applet_fill_cb (PanelApplet * applet, const gchar * iid, gpointer data)
{
	static const BonoboUIVerb menu_verbs[] = {
		BONOBO_UI_VERB ("IndicatorAppletAbout", about_cb),
		BONOBO_UI_VERB_END
	};
	static const gchar * menu_xml = 
		"<popup name=\"button3\">"
			"<menuitem name=\"About Item\" verb=\"IndicatorAppletAbout\" _label=\"" N_("_About") "\" pixtype=\"stock\" pixname=\"gtk-about\"/>"
		"</popup>";

	GtkWidget *menubar;
	gint i;
	gint indicators_loaded = 0;
	static gboolean first_time = FALSE;

	if (!first_time)
	{
        gint argc = 1;
        gchar *argv[2] = { "indicator-applet", NULL};
	    
		first_time = TRUE;
		program = gnome_program_init ("indicator-applet", "0.1",
				    LIBGNOMEUI_MODULE, argc, argv,
				    GNOME_PROGRAM_STANDARD_PROPERTIES,
				    NULL);
	}

	/* Set panel options */
	gtk_container_set_border_width(GTK_CONTAINER (applet), 0);
	panel_applet_set_flags(applet, PANEL_APPLET_EXPAND_MINOR);
	panel_applet_setup_menu(applet, menu_xml, menu_verbs, NULL);
    atk_object_set_name (gtk_widget_get_accessible (GTK_WIDGET (applet)),
                         "indicator-applet");
  
	/* Init some theme/icon stuff */
	gtk_icon_theme_append_search_path(gtk_icon_theme_get_default(),
	                                  ICONS_DIR);
	/* g_debug("Icons directory: %s", ICONS_DIR); */
	gtk_rc_parse_string (
	    "style \"indicator-applet-style\"\n"
        "{\n"
        "    GtkMenuBar::shadow-type = none\n"
        "    GtkMenuBar::internal-padding = 0\n"
        "    GtkWidget::focus-line-width = 0\n"
        "    GtkWidget::focus-padding = 0\n"
        "}\n"
	    "style \"indicator-applet-menubar-style\"\n"
        "{\n"
        "    GtkMenuBar::shadow-type = none\n"
        "    GtkMenuBar::internal-padding = 0\n"
        "    GtkWidget::focus-line-width = 0\n"
        "    GtkWidget::focus-padding = 0\n"
        "    GtkMenuItem::horizontal-padding = 0\n"
        "}\n"
	    "style \"indicator-applet-menuitem-style\"\n"
        "{\n"
        "    GtkWidget::focus-line-width = 0\n"
        "    GtkWidget::focus-padding = 0\n"
        "    GtkMenuItem::horizontal-padding = 0\n"
        "}\n"
        "widget \"*.fast-user-switch-applet\" style \"indicator-applet-style\""
        "widget \"*.fast-user-switch-menuitem\" style \"indicator-applet-menuitem-style\""
        "widget \"*.fast-user-switch-menubar\" style \"indicator-applet-menubar-style\"");
	//gtk_widget_set_name(GTK_WIDGET (applet), "indicator-applet-menubar");
	gtk_widget_set_name(GTK_WIDGET (applet), "fast-user-switch-applet");

	/* Build menubar */
	menubar = gtk_menu_bar_new();
	GTK_WIDGET_SET_FLAGS (menubar, GTK_WIDGET_FLAGS(menubar) | GTK_CAN_FOCUS);
	gtk_widget_set_name(GTK_WIDGET (menubar), "fast-user-switch-menubar");
	g_signal_connect(menubar, "button-press-event", G_CALLBACK(menubar_press), NULL);
	g_signal_connect_after(menubar, "expose-event", G_CALLBACK(menubar_on_expose), menubar);
	gtk_container_set_border_width(GTK_CONTAINER(menubar), 0);

	/* load 'em */
	if (g_file_test(INDICATOR_DIR, (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
		GDir * dir = g_dir_open(INDICATOR_DIR, 0, NULL);

		const gchar * name;
		while ((name = g_dir_read_name(dir)) != NULL) {
			if (load_module(name, menubar))
				indicators_loaded++;
		}
	}

	if (indicators_loaded == 0) {
		/* A label to allow for click through */
		GtkWidget * item = gtk_label_new(_("No Indicators"));
		gtk_container_add(GTK_CONTAINER(applet), item);
		gtk_widget_show(item);
	} else {
		gtk_container_add(GTK_CONTAINER(applet), menubar);
		panel_applet_set_background_widget(applet, menubar);
		gtk_widget_show(menubar);
	}
  
	/* Background of applet */
	g_signal_connect(applet, "change-background",
			  G_CALLBACK(cw_panel_background_changed), menubar);
  
	gtk_widget_show(GTK_WIDGET(applet));

	return TRUE;
}

static void 
cw_panel_background_changed (PanelApplet               *applet,
                             PanelAppletBackgroundType  type,
                             GdkColor                  *colour,
                             GdkPixmap                 *pixmap,
                             GtkWidget                 *menubar)
{
	GtkRcStyle *rc_style;
	GtkStyle *style;

	/* reset style */
	gtk_widget_set_style(GTK_WIDGET (applet), NULL);
 	gtk_widget_set_style(menubar, NULL);
	rc_style = gtk_rc_style_new ();
	gtk_widget_modify_style(GTK_WIDGET (applet), rc_style);
	gtk_widget_modify_style(menubar, rc_style);
	gtk_rc_style_unref(rc_style);

	switch (type) 
	{
		case PANEL_NO_BACKGROUND:
			break;
		case PANEL_COLOR_BACKGROUND:
			gtk_widget_modify_bg(GTK_WIDGET (applet), GTK_STATE_NORMAL, colour);
			gtk_widget_modify_bg(menubar, GTK_STATE_NORMAL, colour);
			break;
    
		case PANEL_PIXMAP_BACKGROUND:
			style = gtk_style_copy(GTK_WIDGET (applet)->style);
			if (style->bg_pixmap[GTK_STATE_NORMAL])
				g_object_unref(style->bg_pixmap[GTK_STATE_NORMAL]);
			style->bg_pixmap[GTK_STATE_NORMAL] = g_object_ref (pixmap);
			gtk_widget_set_style(GTK_WIDGET (applet), style);
			gtk_widget_set_style(GTK_WIDGET (menubar), style);
			g_object_unref(style);
			break;
  }
}