git.maemo.org Git - modest/blob - 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_widget_show (priv->top_toolbar);
 134         gtk_box_pack_start (GTK_BOX (top_hbox), priv->top_toolbar, TRUE, TRUE, 0);
 135
 136         priv->progress_icon = gtk_image_new ();
 137         gtk_widget_show (priv->progress_icon);
 138         gtk_box_pack_start (GTK_BOX (top_hbox), priv->progress_icon, FALSE, FALSE, 0);
 139
 140         new_message_icon = gtk_image_new_from_icon_name (MODEST_TOOLBAR_ICON_NEW_MAIL, GTK_ICON_SIZE_LARGE_TOOLBAR);
 141         gtk_widget_show (new_message_icon);
 142         priv->new_message_button = gtk_tool_button_new (new_message_icon, _("mcen_va_new_email"));
 143         g_object_set (priv->new_message_button, "is-important", TRUE, NULL);
 144         gtk_toolbar_insert (GTK_TOOLBAR (priv->top_toolbar), priv->new_message_button, -1);
 145         gtk_widget_show (GTK_WIDGET (priv->new_message_button));
 146         g_signal_connect (G_OBJECT (priv->new_message_button), "clicked", G_CALLBACK (on_new_msg_button_clicked), obj);
 147
 148         priv->back_button = gtk_tool_button_new_from_stock (GTK_STOCK_GO_BACK);
 149         g_object_set (priv->back_button, "is-important", TRUE, NULL);
 150         gtk_toolbar_insert (GTK_TOOLBAR (priv->top_toolbar), priv->back_button, -1);
 151         gtk_widget_show (GTK_WIDGET (priv->back_button));
 152         g_signal_connect (G_OBJECT (priv->back_button), "clicked", G_CALLBACK (on_back_button_clicked), obj);
 153
 154         separator_toolitem = gtk_separator_tool_item_new ();
 155         gtk_toolbar_insert (GTK_TOOLBAR (priv->top_toolbar), separator_toolitem, -1);
 156         gtk_widget_show (GTK_WIDGET (separator_toolitem));
 157
 158         title_vbox = gtk_vbox_new (FALSE, 0);
 159         priv->title_label = gtk_label_new (NULL);
 160         gtk_label_set_ellipsize (GTK_LABEL (priv->title_label), PANGO_ELLIPSIZE_END);
 161         gtk_misc_set_alignment (GTK_MISC (priv->title_label), 0.0, 1.0);
 162         priv->subtitle_label = gtk_label_new (NULL);
 163         gtk_label_set_ellipsize (GTK_LABEL (priv->subtitle_label), PANGO_ELLIPSIZE_START);
 164         gtk_misc_set_alignment (GTK_MISC (priv->subtitle_label), 0.0, 0.0);
 165         gtk_widget_show (priv->title_label);
 166         gtk_widget_show (priv->subtitle_label);
 167         gtk_box_pack_start (GTK_BOX (title_vbox), priv->title_label, TRUE, TRUE, 0);
 168         gtk_box_pack_start (GTK_BOX (title_vbox), priv->subtitle_label, FALSE, FALSE, 0);
 169         gtk_widget_show (title_vbox);
 170
 171         priv->title_button = gtk_tool_button_new (NULL, NULL);
 172         gtk_widget_show (GTK_WIDGET (priv->title_button));
 173         title_arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE);
 174         gtk_widget_show (title_arrow);
 175         gtk_tool_button_set_icon_widget (GTK_TOOL_BUTTON (priv->title_button), title_arrow);
 176         gtk_tool_button_set_label_widget (GTK_TOOL_BUTTON (priv->title_button), title_vbox);
 177         gtk_toolbar_insert (GTK_TOOLBAR (priv->top_toolbar), priv->title_button, -1);
 178         gtk_container_child_set (GTK_CONTAINER (priv->top_toolbar), GTK_WIDGET (priv->title_button), "expand", TRUE, NULL);
 179         g_object_set (priv->title_button, "is-important", TRUE, NULL);
 180         g_signal_connect (G_OBJECT (priv->title_button), "clicked", G_CALLBACK (on_title_button_clicked), obj);
 181
 182         priv->notebook = gtk_notebook_new ();
 183         gtk_notebook_set_show_tabs ((GtkNotebook *)priv->notebook, FALSE);
 184         gtk_notebook_set_show_border ((GtkNotebook *)priv->notebook, FALSE);
 185         gtk_widget_show (priv->notebook);
 186         gtk_box_pack_start (GTK_BOX (priv->main_vbox), priv->notebook, TRUE, TRUE, 0);
 187         gtk_container_add (GTK_CONTAINER (obj), priv->main_vbox);
 188
 189         g_signal_connect (G_OBJECT (obj), "style-set", G_CALLBACK (on_style_set), obj);
 190 }
 191
 192 static void
 193 modest_shell_finalize (GObject *obj)
 194 {
 195         ModestShellPrivate *priv;
 196         int n;
 197
 198         priv = MODEST_SHELL_GET_PRIVATE (obj);
 199
 200         if (priv->progress_timeout_id) {
 201                 g_source_remove (priv->progress_timeout_id);
 202         }
 203         for (n = 0; n < 31; n++) {
 204                 if (priv->progress_frames[n]) {
 205                         g_object_unref (priv->progress_frames[n]);
 206                 }
 207         }
 208         g_free (priv->progress_frames);
 209
 210         G_OBJECT_CLASS(parent_class)->finalize (obj);
 211 }
 212
 213 GtkWidget*
 214 modest_shell_new (void)
 215 {
 216         return (GtkWidget *) g_object_new(MODEST_TYPE_SHELL, NULL);
 217 }
 218
 219 ModestWindow *
 220 modest_shell_peek_window (ModestShell *shell)
 221 {
 222         ModestShellPrivate *priv;
 223         gint count;
 224
 225         priv = MODEST_SHELL_GET_PRIVATE (shell);
 226         count = gtk_notebook_get_n_pages (GTK_NOTEBOOK (priv->notebook));
 227
 228         if (count > 0) {
 229                 return (ModestWindow *) gtk_notebook_get_nth_page (GTK_NOTEBOOK (priv->notebook), count - 1);
 230         } else {
 231                 return NULL;
 232         }
 233 }
 234
 235 gboolean
 236 modest_shell_delete_window (ModestShell *shell, ModestWindow *window)
 237 {
 238         ModestShellPrivate *priv;
 239         gboolean ret_value;
 240
 241         priv = MODEST_SHELL_GET_PRIVATE (shell);
 242         g_signal_emit_by_name (G_OBJECT (window), "delete-event", NULL, &ret_value);
 243         if (ret_value == FALSE) {
 244                 gint page_num;
 245
 246                 page_num = gtk_notebook_page_num (GTK_NOTEBOOK (priv->notebook), GTK_WIDGET (window));
 247                 if (page_num != -1) {
 248                         gtk_notebook_remove_page (GTK_NOTEBOOK (priv->notebook), page_num);
 249                 }
 250         }
 251
 252         update_title (shell);
 253
 254         return ret_value;
 255 }
 256
 257 void
 258 modest_shell_add_window (ModestShell *shell, ModestWindow *window)
 259 {
 260         ModestShellPrivate *priv;
 261
 262         priv = MODEST_SHELL_GET_PRIVATE (shell);
 263         gtk_notebook_append_page (GTK_NOTEBOOK (priv->notebook), GTK_WIDGET (window), NULL);
 264         gtk_widget_show (GTK_WIDGET (window));
 265         gtk_notebook_set_current_page (GTK_NOTEBOOK (priv->notebook), -1);
 266         modest_shell_window_set_shell (MODEST_SHELL_WINDOW (window), shell);
 267         update_title (shell);
 268 }
 269
 270 gint
 271 modest_shell_count_windows (ModestShell *shell)
 272 {
 273         ModestShellPrivate *priv;
 274
 275         priv = MODEST_SHELL_GET_PRIVATE (shell);
 276
 277         return gtk_notebook_get_n_pages (GTK_NOTEBOOK (priv->notebook));
 278 }
 279
 280 void
 281 modest_shell_set_title (ModestShell *shell, ModestWindow *window, const gchar *title)
 282 {
 283         ModestShellPrivate *priv;
 284
 285         priv = MODEST_SHELL_GET_PRIVATE (shell);
 286
 287         gtk_notebook_set_tab_label_text (GTK_NOTEBOOK (priv->notebook), GTK_WIDGET (window), title);
 288
 289         update_title (shell);
 290 }
 291
 292 static void
 293 show_next_frame (ModestShell *shell)
 294 {
 295         ModestShellPrivate *priv;
 296
 297         priv = MODEST_SHELL_GET_PRIVATE (shell);
 298
 299         gtk_image_set_from_pixbuf (GTK_IMAGE (priv->progress_icon), priv->progress_frames[priv->next_frame]);
 300
 301         priv->next_frame++;
 302         if (priv->next_frame >= 31)
 303                 priv->next_frame = 0;
 304 }
 305
 306 static gboolean
 307 on_progress_timeout (ModestShell *shell)
 308 {
 309         show_next_frame (shell);
 310         return TRUE;
 311 }
 312
 313 void
 314 modest_shell_show_progress (ModestShell *shell, ModestWindow *window, gboolean show)
 315 {
 316         ModestShellPrivate *priv;
 317
 318         priv = MODEST_SHELL_GET_PRIVATE (shell);
 319
 320         if (show) {
 321                 if (priv->progress_timeout_id == 0) {
 322                         priv->progress_timeout_id = g_timeout_add (100, (GSourceFunc) on_progress_timeout, shell);
 323                         show_next_frame (shell);
 324                 }
 325                 gtk_widget_show (priv->progress_icon);
 326         } else {
 327                 if (priv->progress_timeout_id) {
 328                         g_source_remove (priv->progress_timeout_id);
 329                         priv->progress_timeout_id = 0;
 330                 }
 331                 gtk_widget_hide (priv->progress_icon);
 332         }
 333 }
 334
 335 static void
 336 update_title (ModestShell *self)
 337 {
 338         gint n_pages, i;
 339         ModestShellPrivate *priv;
 340         GtkWidget *child;
 341         GString *title_buffer;
 342         GString *subtitle_buffer;
 343         const gchar *tab_label_text;
 344
 345         priv = MODEST_SHELL_GET_PRIVATE (self);
 346
 347         n_pages = gtk_notebook_get_n_pages (GTK_NOTEBOOK (priv->notebook));
 348         if (n_pages == 0) {
 349                 gtk_label_set_text (GTK_LABEL (priv->title_label), "");
 350                 gtk_label_set_text (GTK_LABEL (priv->subtitle_label), "");
 351                 return;
 352         }
 353
 354         child = gtk_notebook_get_nth_page (GTK_NOTEBOOK (priv->notebook), n_pages - 1);
 355         title_buffer = g_string_new ("");
 356         title_buffer = g_string_append (title_buffer, "<b>");
 357         tab_label_text = gtk_notebook_get_tab_label_text (GTK_NOTEBOOK (priv->notebook), child);
 358         if (tab_label_text)
 359                 title_buffer = g_string_append (title_buffer, tab_label_text);
 360         title_buffer = g_string_append (title_buffer, "</b>");
 361         gtk_label_set_markup (GTK_LABEL (priv->title_label),
 362                               title_buffer->str);
 363         g_string_free (title_buffer, TRUE);
 364
 365         subtitle_buffer = g_string_new ("");
 366         subtitle_buffer = g_string_append (subtitle_buffer, "<small>");
 367         for (i = 0; i < n_pages - 1; i++) {
 368         child = gtk_notebook_get_nth_page (GTK_NOTEBOOK (priv->notebook), i);
 369                 if (i != 0) {
 370                         subtitle_buffer = g_string_append (subtitle_buffer, " / ");
 371                 }
 372                 subtitle_buffer = g_string_append (subtitle_buffer,
 373                                                    gtk_notebook_get_tab_label_text (GTK_NOTEBOOK (priv->notebook), child));
 374         }
 375         subtitle_buffer = g_string_append (subtitle_buffer, "</small>");
 376         gtk_label_set_markup (GTK_LABEL (priv->subtitle_label),
 377                               subtitle_buffer->str);
 378         g_string_free (subtitle_buffer, TRUE);
 379 }
 380
 381 static void
 382 on_back_button_clicked (GtkToolButton *button, ModestShell *self)
 383 {
 384         ModestShellPrivate *priv;
 385         gint n_pages;
 386         gboolean delete_event_retval;
 387         GtkWidget *child;
 388
 389         priv = MODEST_SHELL_GET_PRIVATE (self);
 390
 391         n_pages = gtk_notebook_get_n_pages (GTK_NOTEBOOK (priv->notebook));
 392         if (n_pages < 1)
 393                 return;
 394
 395         child = gtk_notebook_get_nth_page (GTK_NOTEBOOK (priv->notebook), -1);
 396         g_signal_emit_by_name (G_OBJECT (child), "delete-event", NULL, &delete_event_retval);
 397
 398         if (!delete_event_retval) {
 399                 update_title (self);
 400         }
 401 }
 402
 403 static void
 404 menu_position_cb (GtkMenu *menu,
 405                   gint *x,
 406                   gint *y,
 407                   gboolean *push_in,
 408                   ModestShell *self)
 409 {
 410         ModestShellPrivate *priv;
 411         GtkAllocation *alloc;
 412         GdkWindow *parent_window;
 413         gint pos_x, pos_y;
 414
 415         priv = MODEST_SHELL_GET_PRIVATE (self);
 416
 417         alloc = &(GTK_WIDGET (priv->title_button)->allocation);
 418         parent_window = gtk_widget_get_parent_window (GTK_WIDGET (priv->title_button));
 419         gdk_window_get_position (parent_window, &pos_x, &pos_y);
 420         *x = pos_x + alloc->x;
 421         *y = pos_y + alloc->y + alloc->height;
 422         *push_in = TRUE;
 423
 424 }
 425
 426 static void
 427 on_title_button_clicked (GtkToolButton *button, ModestShell *self)
 428 {
 429         ModestShellPrivate *priv;
 430         gint n_pages;
 431         GtkWidget *child;
 432         GtkWidget *menu;
 433
 434         priv = MODEST_SHELL_GET_PRIVATE (self);
 435
 436         n_pages = gtk_notebook_get_n_pages (GTK_NOTEBOOK (priv->notebook));
 437         if (n_pages < 1)
 438                 return;
 439
 440         child = gtk_notebook_get_nth_page (GTK_NOTEBOOK (priv->notebook), -1);
 441         menu = modest_shell_window_get_menu (MODEST_SHELL_WINDOW (child));
 442
 443         if (menu) {
 444                 gtk_menu_popup (GTK_MENU (menu), NULL, NULL,
 445                                 (GtkMenuPositionFunc) menu_position_cb, (gpointer) self,
 446                                 1, gtk_get_current_event_time ());
 447         }
 448 }
 449
 450 static void
 451 on_new_msg_button_clicked (GtkToolButton *button, ModestShell *self)
 452 {
 453         ModestShellPrivate *priv;
 454         gint n_pages;
 455         GtkWidget *child;
 456
 457         priv = MODEST_SHELL_GET_PRIVATE (self);
 458
 459         n_pages = gtk_notebook_get_n_pages (GTK_NOTEBOOK (priv->notebook));
 460         if (n_pages < 1)
 461                 return;
 462
 463         child = gtk_notebook_get_nth_page (GTK_NOTEBOOK (priv->notebook), -1);
 464
 465         modest_ui_actions_on_new_msg (NULL, MODEST_WINDOW (child));
 466 }
 467
 468 static void
 469 on_style_set (GtkWidget *widget,
 470               GtkStyle *old_style,
 471               ModestShell *self)
 472 {
 473         ModestShellPrivate *priv;
 474         gint icon_w, icon_h;
 475         GdkPixbuf *progress_pixbuf;
 476         int n;
 477
 478         priv = MODEST_SHELL_GET_PRIVATE (self);
 479
 480         if (!gtk_icon_size_lookup (GTK_ICON_SIZE_LARGE_TOOLBAR, &icon_w, &icon_h))
 481                 return;
 482         progress_pixbuf = gtk_icon_theme_load_icon (gtk_icon_theme_get_default (), "process-working", icon_w, 0, NULL);
 483
 484         for (n = 0; n < 31; n++) {
 485                 if (priv->progress_frames[n] != NULL) {
 486                         g_object_unref (priv->progress_frames[n]);
 487                 }
 488                 priv->progress_frames[n] = NULL;
 489         }
 490
 491         if (progress_pixbuf) {
 492                 gint max_x, max_y;
 493                 gint i, j;
 494
 495                 icon_w = gdk_pixbuf_get_width (progress_pixbuf) / 8;
 496
 497                 n = 0;
 498                 max_x = 8;
 499                 max_y = 4;
 500                 for (i = 0; i < 4; i++) {
 501                         for (j = 0; j < 8; j++) {
 502                                         GdkPixbuf *frame;
 503
 504                                         if ((i == 0) && (j == 0))
 505                                                 continue;
 506                                         frame = gdk_pixbuf_new_subpixbuf  (progress_pixbuf,
 507                                                                            j*icon_w, i*icon_w,
 508                                                                            icon_w, icon_w);
 509                                         priv->progress_frames[n] = frame;
 510                                         n++;
 511                                 }
 512                         }
 513                 g_object_unref (progress_pixbuf);
 514         }
 515
 516 }