Don't allow top toolbar "arrowing" in shell.
[modest] / src / gtk / modest-shell.c
1 /* Copyright (c) 2009, Nokia Corporation
2  * All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are
6  * met:
7  *
8  * * Redistributions of source code must retain the above copyright
9  *   notice, this list of conditions and the following disclaimer.
10  * * Redistributions in binary form must reproduce the above copyright
11  *   notice, this list of conditions and the following disclaimer in the
12  *   documentation and/or other materials provided with the distribution.
13  * * Neither the name of the Nokia Corporation nor the names of its
14  *   contributors may be used to endorse or promote products derived from
15  *   this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29
30 #include <string.h>
31 #include <modest-shell.h>
32 #include <modest-shell-window.h>
33 #include <modest-icon-names.h>
34 #include <modest-ui-actions.h>
35
36 /* 'private'/'protected' functions */
37 static void modest_shell_class_init (ModestShellClass *klass);
38 static void modest_shell_instance_init (ModestShell *obj);
39 static void modest_shell_finalize   (GObject *obj);
40
41 static void update_title (ModestShell *self);
42
43 static void on_back_button_clicked (GtkToolButton *button, ModestShell *self);
44 static void on_title_button_clicked (GtkToolButton *button, ModestShell *self);
45 static void on_new_msg_button_clicked (GtkToolButton *button, ModestShell *self);
46 static void on_style_set (GtkWidget *widget, GtkStyle *old_style, ModestShell *shell);
47
48
49 typedef struct _ModestShellPrivate ModestShellPrivate;
50 struct _ModestShellPrivate {
51         GtkWidget *main_vbox;
52         GtkWidget *notebook;
53         GtkWidget *top_toolbar;
54         GtkToolItem *new_message_button;
55         GtkToolItem *back_button;
56         GtkToolItem *title_button;
57         GtkWidget *title_label;
58         GtkWidget *subtitle_label;
59
60         GtkWidget *progress_icon;
61         GdkPixbuf **progress_frames;
62         gint next_frame;
63         guint progress_timeout_id;
64 };
65 #define MODEST_SHELL_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
66                                                                       MODEST_TYPE_SHELL, \
67                                                                       ModestShellPrivate))
68 /* globals */
69 static GObjectClass *parent_class = NULL;
70
71 GType
72 modest_shell_get_type (void)
73 {
74         static GType my_type = 0;
75         if (!my_type) {
76                 static const GTypeInfo my_info = {
77                         sizeof(ModestShellClass),
78                         NULL,           /* base init */
79                         NULL,           /* base finalize */
80                         (GClassInitFunc) modest_shell_class_init,
81                         NULL,           /* class finalize */
82                         NULL,           /* class data */
83                         sizeof(ModestShell),
84                         1,              /* n_preallocs */
85                         (GInstanceInitFunc) modest_shell_instance_init,
86                         NULL
87                 };
88                 my_type = g_type_register_static (GTK_TYPE_WINDOW,
89                                                   "ModestShell",
90                                                   &my_info, 0);
91         }
92         return my_type;
93 }
94
95 static void
96 modest_shell_class_init (ModestShellClass *klass)
97 {
98         GObjectClass *gobject_class;
99
100         gobject_class = (GObjectClass*) klass;
101
102         parent_class            = g_type_class_peek_parent (klass);
103         gobject_class->finalize = modest_shell_finalize;
104
105         g_type_class_add_private (gobject_class, sizeof(ModestShellPrivate));
106
107 }
108
109 static void
110 modest_shell_instance_init (ModestShell *obj)
111 {
112         ModestShellPrivate *priv;
113         GtkWidget *title_vbox;
114         GtkWidget *title_arrow;
115         GtkWidget *new_message_icon;
116         GtkToolItem *separator_toolitem;
117         GtkWidget *top_hbox;
118
119         priv = MODEST_SHELL_GET_PRIVATE(obj);
120         priv->progress_frames = g_malloc0 (sizeof(GdkPixbuf *)*31);
121         priv->progress_timeout_id = 0;
122         priv->next_frame = 0;
123
124         priv->main_vbox = gtk_vbox_new (FALSE, 0);
125         gtk_widget_show (priv->main_vbox);
126
127         top_hbox = gtk_hbox_new (FALSE, 0);
128         gtk_widget_show (top_hbox);
129         gtk_box_pack_start (GTK_BOX (priv->main_vbox), top_hbox, FALSE, FALSE, 0);
130
131         priv->top_toolbar = gtk_toolbar_new ();
132         gtk_toolbar_set_style (GTK_TOOLBAR (priv->top_toolbar), GTK_TOOLBAR_BOTH_HORIZ);
133         gtk_toolbar_set_show_arrow (GTK_TOOLBAR (priv->top_toolbar), FALSE);
134         gtk_widget_show (priv->top_toolbar);
135         gtk_box_pack_start (GTK_BOX (top_hbox), priv->top_toolbar, TRUE, TRUE, 0);
136
137         priv->progress_icon = gtk_image_new ();
138         gtk_widget_show (priv->progress_icon);
139         gtk_box_pack_start (GTK_BOX (top_hbox), priv->progress_icon, FALSE, FALSE, 0);
140
141         new_message_icon = gtk_image_new_from_icon_name (MODEST_TOOLBAR_ICON_NEW_MAIL, GTK_ICON_SIZE_LARGE_TOOLBAR);
142         gtk_widget_show (new_message_icon);
143         priv->new_message_button = gtk_tool_button_new (new_message_icon, _("mcen_va_new_email"));
144         g_object_set (priv->new_message_button, "is-important", TRUE, NULL);
145         gtk_toolbar_insert (GTK_TOOLBAR (priv->top_toolbar), priv->new_message_button, -1);
146         gtk_widget_show (GTK_WIDGET (priv->new_message_button));
147         g_signal_connect (G_OBJECT (priv->new_message_button), "clicked", G_CALLBACK (on_new_msg_button_clicked), obj);
148
149         priv->back_button = gtk_tool_button_new_from_stock (GTK_STOCK_GO_BACK);
150         g_object_set (priv->back_button, "is-important", TRUE, NULL);
151         gtk_toolbar_insert (GTK_TOOLBAR (priv->top_toolbar), priv->back_button, -1);
152         gtk_widget_show (GTK_WIDGET (priv->back_button));
153         g_signal_connect (G_OBJECT (priv->back_button), "clicked", G_CALLBACK (on_back_button_clicked), obj);
154
155         separator_toolitem = gtk_separator_tool_item_new ();
156         gtk_toolbar_insert (GTK_TOOLBAR (priv->top_toolbar), separator_toolitem, -1);
157         gtk_widget_show (GTK_WIDGET (separator_toolitem));
158
159         title_vbox = gtk_vbox_new (FALSE, 0);
160         priv->title_label = gtk_label_new (NULL);
161         gtk_label_set_ellipsize (GTK_LABEL (priv->title_label), PANGO_ELLIPSIZE_END);
162         gtk_misc_set_alignment (GTK_MISC (priv->title_label), 0.0, 1.0);
163         priv->subtitle_label = gtk_label_new (NULL);
164         gtk_label_set_ellipsize (GTK_LABEL (priv->subtitle_label), PANGO_ELLIPSIZE_START);
165         gtk_misc_set_alignment (GTK_MISC (priv->subtitle_label), 0.0, 0.0);
166         gtk_widget_show (priv->title_label);
167         gtk_widget_show (priv->subtitle_label);
168         gtk_box_pack_start (GTK_BOX (title_vbox), priv->title_label, TRUE, TRUE, 0);
169         gtk_box_pack_start (GTK_BOX (title_vbox), priv->subtitle_label, FALSE, FALSE, 0);
170         gtk_widget_show (title_vbox);
171
172         priv->title_button = gtk_tool_button_new (NULL, NULL);
173         gtk_widget_show (GTK_WIDGET (priv->title_button));
174         title_arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE);
175         gtk_widget_show (title_arrow);
176         gtk_tool_button_set_icon_widget (GTK_TOOL_BUTTON (priv->title_button), title_arrow);
177         gtk_tool_button_set_label_widget (GTK_TOOL_BUTTON (priv->title_button), title_vbox);
178         gtk_toolbar_insert (GTK_TOOLBAR (priv->top_toolbar), priv->title_button, -1);
179         gtk_container_child_set (GTK_CONTAINER (priv->top_toolbar), GTK_WIDGET (priv->title_button), "expand", TRUE, NULL);
180         g_object_set (priv->title_button, "is-important", TRUE, NULL);
181         g_signal_connect (G_OBJECT (priv->title_button), "clicked", G_CALLBACK (on_title_button_clicked), obj);
182
183         priv->notebook = gtk_notebook_new ();
184         gtk_notebook_set_show_tabs ((GtkNotebook *)priv->notebook, FALSE);
185         gtk_notebook_set_show_border ((GtkNotebook *)priv->notebook, FALSE);
186         gtk_widget_show (priv->notebook);
187         gtk_box_pack_start (GTK_BOX (priv->main_vbox), priv->notebook, TRUE, TRUE, 0);
188         gtk_container_add (GTK_CONTAINER (obj), priv->main_vbox);
189
190         g_signal_connect (G_OBJECT (obj), "style-set", G_CALLBACK (on_style_set), obj);
191 }
192
193 static void
194 modest_shell_finalize (GObject *obj)
195 {
196         ModestShellPrivate *priv;
197         int n;
198
199         priv = MODEST_SHELL_GET_PRIVATE (obj);
200
201         if (priv->progress_timeout_id) {
202                 g_source_remove (priv->progress_timeout_id);
203         }
204         for (n = 0; n < 31; n++) {
205                 if (priv->progress_frames[n]) {
206                         g_object_unref (priv->progress_frames[n]);
207                 }
208         }
209         g_free (priv->progress_frames);
210
211         G_OBJECT_CLASS(parent_class)->finalize (obj);
212 }
213
214 GtkWidget*
215 modest_shell_new (void)
216 {
217         return (GtkWidget *) g_object_new(MODEST_TYPE_SHELL, NULL);
218 }
219
220 ModestWindow *
221 modest_shell_peek_window (ModestShell *shell)
222 {
223         ModestShellPrivate *priv;
224         gint count;
225
226         priv = MODEST_SHELL_GET_PRIVATE (shell);
227         count = gtk_notebook_get_n_pages (GTK_NOTEBOOK (priv->notebook));
228
229         if (count > 0) {
230                 return (ModestWindow *) gtk_notebook_get_nth_page (GTK_NOTEBOOK (priv->notebook), count - 1);
231         } else {
232                 return NULL;
233         }
234 }
235
236 gboolean
237 modest_shell_delete_window (ModestShell *shell, ModestWindow *window)
238 {
239         ModestShellPrivate *priv;
240         gboolean ret_value;
241
242         priv = MODEST_SHELL_GET_PRIVATE (shell);
243         g_signal_emit_by_name (G_OBJECT (window), "delete-event", NULL, &ret_value);
244         if (ret_value == FALSE) {
245                 gint page_num;
246                 
247                 page_num = gtk_notebook_page_num (GTK_NOTEBOOK (priv->notebook), GTK_WIDGET (window));
248                 if (page_num != -1) {
249                         gtk_notebook_remove_page (GTK_NOTEBOOK (priv->notebook), page_num);
250                 }
251         }
252
253         update_title (shell);
254
255         return ret_value;
256 }
257
258 void
259 modest_shell_add_window (ModestShell *shell, ModestWindow *window)
260 {
261         ModestShellPrivate *priv;
262
263         priv = MODEST_SHELL_GET_PRIVATE (shell);
264         gtk_notebook_append_page (GTK_NOTEBOOK (priv->notebook), GTK_WIDGET (window), NULL);
265         gtk_widget_show (GTK_WIDGET (window));
266         gtk_notebook_set_current_page (GTK_NOTEBOOK (priv->notebook), -1);
267         modest_shell_window_set_shell (MODEST_SHELL_WINDOW (window), shell);
268         update_title (shell);
269 }
270
271 gint
272 modest_shell_count_windows (ModestShell *shell)
273 {
274         ModestShellPrivate *priv;
275
276         priv = MODEST_SHELL_GET_PRIVATE (shell);
277
278         return gtk_notebook_get_n_pages (GTK_NOTEBOOK (priv->notebook));
279 }
280
281 void
282 modest_shell_set_title (ModestShell *shell, ModestWindow *window, const gchar *title)
283 {
284         ModestShellPrivate *priv;
285
286         priv = MODEST_SHELL_GET_PRIVATE (shell);
287
288         gtk_notebook_set_tab_label_text (GTK_NOTEBOOK (priv->notebook), GTK_WIDGET (window), title);
289
290         update_title (shell);
291 }
292
293 static void
294 show_next_frame (ModestShell *shell)
295 {
296         ModestShellPrivate *priv;
297
298         priv = MODEST_SHELL_GET_PRIVATE (shell);
299
300         gtk_image_set_from_pixbuf (GTK_IMAGE (priv->progress_icon), priv->progress_frames[priv->next_frame]);
301
302         priv->next_frame++;
303         if (priv->next_frame >= 31)
304                 priv->next_frame = 0;
305 }
306
307 static gboolean
308 on_progress_timeout (ModestShell *shell)
309 {
310         show_next_frame (shell);
311         return TRUE;
312 }
313
314 void
315 modest_shell_show_progress (ModestShell *shell, ModestWindow *window, gboolean show)
316 {
317         ModestShellPrivate *priv;
318
319         priv = MODEST_SHELL_GET_PRIVATE (shell);
320
321         if (show) {
322                 if (priv->progress_timeout_id == 0) {
323                         priv->progress_timeout_id = g_timeout_add (100, (GSourceFunc) on_progress_timeout, shell);
324                         show_next_frame (shell);
325                 }
326                 gtk_widget_show (priv->progress_icon);
327         } else {
328                 if (priv->progress_timeout_id) {
329                         g_source_remove (priv->progress_timeout_id);
330                         priv->progress_timeout_id = 0;
331                 }
332                 gtk_widget_hide (priv->progress_icon);
333         }
334 }
335
336 static void
337 update_title (ModestShell *self)
338 {
339         gint n_pages, i;
340         ModestShellPrivate *priv;
341         GtkWidget *child;
342         GString *title_buffer;
343         GString *subtitle_buffer;
344         const gchar *tab_label_text;
345
346         priv = MODEST_SHELL_GET_PRIVATE (self);
347
348         n_pages = gtk_notebook_get_n_pages (GTK_NOTEBOOK (priv->notebook));
349         if (n_pages == 0) {
350                 gtk_label_set_text (GTK_LABEL (priv->title_label), "");
351                 gtk_label_set_text (GTK_LABEL (priv->subtitle_label), "");
352                 return;
353         }
354
355         child = gtk_notebook_get_nth_page (GTK_NOTEBOOK (priv->notebook), n_pages - 1);
356         title_buffer = g_string_new ("");
357         title_buffer = g_string_append (title_buffer, "<b>");
358         tab_label_text = gtk_notebook_get_tab_label_text (GTK_NOTEBOOK (priv->notebook), child);
359         if (tab_label_text)
360                 title_buffer = g_string_append (title_buffer, tab_label_text);
361         title_buffer = g_string_append (title_buffer, "</b>");
362         gtk_label_set_markup (GTK_LABEL (priv->title_label), 
363                               title_buffer->str);
364         g_string_free (title_buffer, TRUE);
365
366         subtitle_buffer = g_string_new ("");
367         subtitle_buffer = g_string_append (subtitle_buffer, "<small>");
368         for (i = 0; i < n_pages - 1; i++) {
369         child = gtk_notebook_get_nth_page (GTK_NOTEBOOK (priv->notebook), i);
370                 if (i != 0) {
371                         subtitle_buffer = g_string_append (subtitle_buffer, " / ");
372                 }
373                 subtitle_buffer = g_string_append (subtitle_buffer,
374                                                    gtk_notebook_get_tab_label_text (GTK_NOTEBOOK (priv->notebook), child));
375         }
376         subtitle_buffer = g_string_append (subtitle_buffer, "</small>");
377         gtk_label_set_markup (GTK_LABEL (priv->subtitle_label), 
378                               subtitle_buffer->str);
379         g_string_free (subtitle_buffer, TRUE);
380 }
381
382 static void
383 on_back_button_clicked (GtkToolButton *button, ModestShell *self)
384 {
385         ModestShellPrivate *priv;
386         gint n_pages;
387         gboolean delete_event_retval;
388         GtkWidget *child;
389
390         priv = MODEST_SHELL_GET_PRIVATE (self);
391
392         n_pages = gtk_notebook_get_n_pages (GTK_NOTEBOOK (priv->notebook));
393         if (n_pages < 1)
394                 return;
395
396         child = gtk_notebook_get_nth_page (GTK_NOTEBOOK (priv->notebook), -1);
397         g_signal_emit_by_name (G_OBJECT (child), "delete-event", NULL, &delete_event_retval);
398
399         if (!delete_event_retval) {
400                 update_title (self);
401         }
402 }
403
404 static void
405 menu_position_cb (GtkMenu *menu,
406                   gint *x,
407                   gint *y,
408                   gboolean *push_in,
409                   ModestShell *self)
410 {
411         ModestShellPrivate *priv;
412         GtkAllocation *alloc;
413         GdkWindow *parent_window;
414         gint pos_x, pos_y;
415
416         priv = MODEST_SHELL_GET_PRIVATE (self);
417
418         alloc = &(GTK_WIDGET (priv->title_button)->allocation);
419         parent_window = gtk_widget_get_parent_window (GTK_WIDGET (priv->title_button));
420         gdk_window_get_position (parent_window, &pos_x, &pos_y);
421         *x = pos_x + alloc->x;
422         *y = pos_y + alloc->y + alloc->height;
423         *push_in = TRUE;
424         
425 }
426
427 static void
428 on_title_button_clicked (GtkToolButton *button, ModestShell *self)
429 {
430         ModestShellPrivate *priv;
431         gint n_pages;
432         GtkWidget *child;
433         GtkWidget *menu;
434
435         priv = MODEST_SHELL_GET_PRIVATE (self);
436
437         n_pages = gtk_notebook_get_n_pages (GTK_NOTEBOOK (priv->notebook));
438         if (n_pages < 1)
439                 return;
440
441         child = gtk_notebook_get_nth_page (GTK_NOTEBOOK (priv->notebook), -1);
442         menu = modest_shell_window_get_menu (MODEST_SHELL_WINDOW (child));
443
444         if (menu) {
445                 gtk_menu_popup (GTK_MENU (menu), NULL, NULL, 
446                                 (GtkMenuPositionFunc) menu_position_cb, (gpointer) self,
447                                 1, gtk_get_current_event_time ());
448         }
449 }
450
451 static void
452 on_new_msg_button_clicked (GtkToolButton *button, ModestShell *self)
453 {
454         ModestShellPrivate *priv;
455         gint n_pages;
456         GtkWidget *child;
457
458         priv = MODEST_SHELL_GET_PRIVATE (self);
459
460         n_pages = gtk_notebook_get_n_pages (GTK_NOTEBOOK (priv->notebook));
461         if (n_pages < 1)
462                 return;
463
464         child = gtk_notebook_get_nth_page (GTK_NOTEBOOK (priv->notebook), -1);
465
466         modest_ui_actions_on_new_msg (NULL, MODEST_WINDOW (child));
467 }
468
469 static void
470 on_style_set (GtkWidget *widget,
471               GtkStyle *old_style,
472               ModestShell *self)
473 {
474         ModestShellPrivate *priv;
475         gint icon_w, icon_h;
476         GdkPixbuf *progress_pixbuf;
477         int n;
478
479         priv = MODEST_SHELL_GET_PRIVATE (self);
480
481         if (!gtk_icon_size_lookup (GTK_ICON_SIZE_LARGE_TOOLBAR, &icon_w, &icon_h))
482                 return;
483         progress_pixbuf = gtk_icon_theme_load_icon (gtk_icon_theme_get_default (), "process-working", icon_w, 0, NULL);
484
485         for (n = 0; n < 31; n++) {
486                 if (priv->progress_frames[n] != NULL) {
487                         g_object_unref (priv->progress_frames[n]);
488                 }
489                 priv->progress_frames[n] = NULL;
490         }
491
492         if (progress_pixbuf) {
493                 gint max_x, max_y;
494                 gint i, j;
495
496                 icon_w = gdk_pixbuf_get_width (progress_pixbuf) / 8;
497
498                 n = 0;
499                 max_x = 8;
500                 max_y = 4;
501                 for (i = 0; i < 4; i++) {
502                         for (j = 0; j < 8; j++) {
503                                         GdkPixbuf *frame;
504
505                                         if ((i == 0) && (j == 0))
506                                                 continue;
507                                         frame = gdk_pixbuf_new_subpixbuf  (progress_pixbuf,
508                                                                            j*icon_w, i*icon_w,
509                                                                            icon_w, icon_w);
510                                         priv->progress_frames[n] = frame;
511                                         n++;
512                                 }
513                         }
514                 g_object_unref (progress_pixbuf);
515         }
516
517 }