pidgin/gtkmenutray.c

   1 /*
   2  * Pidgin is the legal property of its developers, whose names are too numerous
   3  * to list here.  Please refer to the COPYRIGHT file distributed with this
   4  * source distribution.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  19  */
  20 #include "internal.h"
  21
  22 #include "debug.h"
  23
  24 #include "gtkmenutray.h"
  25
  26 #include "glibcompat.h"
  27 #include "gtk3compat.h"
  28
  29 /******************************************************************************
  30  * Enums
  31  *****************************************************************************/
  32 enum {
  33         PROP_ZERO = 0,
  34         PROP_BOX
  35 };
  36
  37 /******************************************************************************
  38  * Globals
  39  *****************************************************************************/
  40 static GObjectClass *parent_class = NULL;
  41 /******************************************************************************
  42  * Internal Stuff
  43  *****************************************************************************/
  44
  45 /******************************************************************************
  46  * Item Stuff
  47  *****************************************************************************/
  48 static void
  49 pidgin_menu_tray_select(GtkMenuItem *widget) {
  50         /* this may look like nothing, but it's really overriding the
  51          * GtkMenuItem's select function so that it doesn't get highlighted like
  52          * a normal menu item would.
  53          */
  54 }
  55
  56 static void
  57 pidgin_menu_tray_deselect(GtkMenuItem *widget) {
  58         /* Probably not necessary, but I'd rather be safe than sorry.  We're
  59          * overridding the select, so it makes sense to override deselect as well.
  60          */
  61 }
  62
  63 /******************************************************************************
  64  * Object Stuff
  65  *****************************************************************************/
  66 static void
  67 pidgin_menu_tray_get_property(GObject *obj, guint param_id, GValue *value,
  68                                                                 GParamSpec *pspec)
  69 {
  70         PidginMenuTray *menu_tray = PIDGIN_MENU_TRAY(obj);
  71
  72         switch(param_id) {
  73                 case PROP_BOX:
  74                         g_value_set_object(value, pidgin_menu_tray_get_box(menu_tray));
  75                         break;
  76                 default:
  77                         G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, param_id, pspec);
  78                         break;
  79         }
  80 }
  81
  82 static void
  83 pidgin_menu_tray_map(GtkWidget *widget)
  84 {
  85         GTK_WIDGET_CLASS(parent_class)->map(widget);
  86         gtk_container_add(GTK_CONTAINER(widget),
  87                         PIDGIN_MENU_TRAY(widget)->tray);
  88 }
  89
  90 static void
  91 pidgin_menu_tray_finalize(GObject *obj)
  92 {
  93 #if 0
  94         PidginMenuTray *tray = PIDGIN_MENU_TRAY(obj);
  95
  96         /* This _might_ be leaking, but I have a sneaking suspicion that the widget is
  97          * getting destroyed in GtkContainer's finalize function.  But if were are
  98          * leaking here, be sure to figure out why this causes a crash.
  99          *      -- Gary
 100          */
 101
 102         if(GTK_IS_WIDGET(tray->tray))
 103                 gtk_widget_destroy(GTK_WIDGET(tray->tray));
 104 #endif
 105
 106         G_OBJECT_CLASS(parent_class)->finalize(obj);
 107 }
 108
 109 static void
 110 pidgin_menu_tray_class_init(PidginMenuTrayClass *klass) {
 111         GObjectClass *object_class = G_OBJECT_CLASS(klass);
 112         GtkMenuItemClass *menu_item_class = GTK_MENU_ITEM_CLASS(klass);
 113         GtkWidgetClass *widget_class = GTK_WIDGET_CLASS(klass);
 114         GParamSpec *pspec;
 115
 116         parent_class = g_type_class_peek_parent(klass);
 117
 118         object_class->finalize = pidgin_menu_tray_finalize;
 119         object_class->get_property = pidgin_menu_tray_get_property;
 120
 121         menu_item_class->select = pidgin_menu_tray_select;
 122         menu_item_class->deselect = pidgin_menu_tray_deselect;
 123
 124         widget_class->map = pidgin_menu_tray_map;
 125
 126         pspec = g_param_spec_object("box", "The box",
 127                                                                 "The box",
 128                                                                 GTK_TYPE_BOX,
 129                                                                 G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
 130         g_object_class_install_property(object_class, PROP_BOX, pspec);
 131 }
 132
 133 static void
 134 pidgin_menu_tray_init(PidginMenuTray *menu_tray) {
 135         GtkWidget *widget = GTK_WIDGET(menu_tray);
 136         GtkSettings *settings;
 137         gint height = -1;
 138
 139 G_GNUC_BEGIN_IGNORE_DEPRECATIONS
 140         /* Gtk3 docs says, it should be replaced with gtk_widget_set_hexpand and
 141          * gtk_widget_set_halign. But it doesn't seems to work. */
 142         gtk_menu_item_set_right_justified(GTK_MENU_ITEM(menu_tray), TRUE);
 143 G_GNUC_END_IGNORE_DEPRECATIONS
 144
 145         if(!GTK_IS_WIDGET(menu_tray->tray))
 146                 menu_tray->tray = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 147
 148         settings =
 149                 gtk_settings_get_for_screen(gtk_widget_get_screen(widget));
 150
 151         if(gtk_icon_size_lookup_for_settings(settings, GTK_ICON_SIZE_MENU,
 152                                                                                  NULL, &height))
 153         {
 154                 gtk_widget_set_size_request(widget, -1, height);
 155         }
 156
 157         gtk_widget_show(menu_tray->tray);
 158 }
 159
 160 /******************************************************************************
 161  * API
 162  *****************************************************************************/
 163 GType
 164 pidgin_menu_tray_get_type(void) {
 165         static GType type = 0;
 166
 167         if(type == 0) {
 168                 static const GTypeInfo info = {
 169                         sizeof(PidginMenuTrayClass),
 170                         NULL,
 171                         NULL,
 172                         (GClassInitFunc)pidgin_menu_tray_class_init,
 173                         NULL,
 174                         NULL,
 175                         sizeof(PidginMenuTray),
 176                         0,
 177                         (GInstanceInitFunc)pidgin_menu_tray_init,
 178                         NULL
 179                 };
 180
 181                 type = g_type_register_static(GTK_TYPE_MENU_ITEM,
 182                                                                           "PidginMenuTray",
 183                                                                           &info, 0);
 184         }
 185
 186         return type;
 187 }
 188
 189 GtkWidget *
 190 pidgin_menu_tray_new() {
 191         return g_object_new(PIDGIN_TYPE_MENU_TRAY, NULL);
 192 }
 193
 194 GtkWidget *
 195 pidgin_menu_tray_get_box(PidginMenuTray *menu_tray) {
 196         g_return_val_if_fail(PIDGIN_IS_MENU_TRAY(menu_tray), NULL);
 197         return menu_tray->tray;
 198 }
 199
 200 static void
 201 pidgin_menu_tray_add(PidginMenuTray *menu_tray, GtkWidget *widget,
 202                                            const char *tooltip, gboolean prepend)
 203 {
 204         g_return_if_fail(PIDGIN_IS_MENU_TRAY(menu_tray));
 205         g_return_if_fail(GTK_IS_WIDGET(widget));
 206
 207         if (!gtk_widget_get_has_window(widget))
 208         {
 209                 GtkWidget *event;
 210
 211                 event = gtk_event_box_new();
 212                 gtk_container_add(GTK_CONTAINER(event), widget);
 213                 gtk_widget_show(event);
 214                 widget = event;
 215         }
 216
 217         pidgin_menu_tray_set_tooltip(menu_tray, widget, tooltip);
 218
 219         if (prepend)
 220                 gtk_box_pack_start(GTK_BOX(menu_tray->tray), widget, FALSE, FALSE, 0);
 221         else
 222                 gtk_box_pack_end(GTK_BOX(menu_tray->tray), widget, FALSE, FALSE, 0);
 223 }
 224
 225 void
 226 pidgin_menu_tray_append(PidginMenuTray *menu_tray, GtkWidget *widget, const char *tooltip)
 227 {
 228         pidgin_menu_tray_add(menu_tray, widget, tooltip, FALSE);
 229 }
 230
 231 void
 232 pidgin_menu_tray_prepend(PidginMenuTray *menu_tray, GtkWidget *widget, const char *tooltip)
 233 {
 234         pidgin_menu_tray_add(menu_tray, widget, tooltip, TRUE);
 235 }
 236
 237 void
 238 pidgin_menu_tray_set_tooltip(PidginMenuTray *menu_tray, GtkWidget *widget, const char *tooltip)
 239 {
 240         /* Should we check whether widget is a child of menu_tray? */
 241
 242         /*
 243          * If the widget does not have its own window, then it
 244          * must have automatically been added to an event box
 245          * when it was added to the menu tray.  If this is the
 246          * case, we want to set the tooltip on the widget's parent,
 247          * not on the widget itself.
 248          */
 249         if (!gtk_widget_get_has_window(widget))
 250                 widget = gtk_widget_get_parent(widget);
 251
 252         gtk_widget_set_tooltip_text(widget, tooltip);
 253 }