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Viewing changes to applets/wncklet/showdesktop.c

  • Committer: Bazaar Package Importer
  • Author(s): Sebastien Bacher
  • Date: 2011-05-30 11:04:49 UTC
  • mfrom: (1.3.4 upstream)
  • mto: This revision was merged to the branch mainline in revision 204.
  • Revision ID: james.westby@ubuntu.com-20110530110449-ut1tc5t61rpvf9e3
Tags: upstream-3.0.2
Import upstream version 3.0.2

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applets/wncklet/showdesktop.c
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 * 02111-1307, USA.
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 */
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#define WNCK_I_KNOW_THIS_IS_UNSTABLE 1
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <gtk/gtk.h>
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#include <gdk/gdkx.h>
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#include <libwnck/screen.h>
 
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#include <libwnck/libwnck.h>
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#include "wncklet.h"
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#include "showdesktop.h"
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        GtkWidget *applet;
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        GtkWidget *button;
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        GtkWidget *image;
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        GtkWidget *about_dialog;
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        GtkOrientation orient;
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        int size;
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        GtkIconTheme *icon_theme;
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} ShowDesktopData;
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static void display_help_dialog  (GtkAction       *action,
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                                  ShowDesktopData *sdd);
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static void display_about_dialog (GtkAction       *action,
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                                  ShowDesktopData *sdd);
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static void update_icon           (ShowDesktopData *sdd);
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static void update_button_state   (ShowDesktopData *sdd);
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static void update_button_display (ShowDesktopData *sdd);
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static void
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update_icon (ShowDesktopData *sdd)
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{
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        GtkStyle  *style;
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        int width, height;
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        GdkPixbuf *icon;
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        GdkPixbuf *scaled;
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        int        focus_width = 0;
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        int        focus_pad = 0;
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        int        thickness = 0;
 
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        GtkStyleContext *context;
 
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        GtkStateFlags    state;
 
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        GtkBorder        padding;
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        if (!sdd->icon_theme)
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                return;
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        gtk_widget_style_get (sdd->button,
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                              "focus-line-width", &focus_width,
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                              "focus-padding", &focus_pad,
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                              NULL);
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        style = gtk_widget_get_style (sdd->button);
 
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        state = gtk_widget_get_state_flags (sdd->button);
 
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        context = gtk_widget_get_style_context (sdd->button);
 
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        gtk_style_context_get_padding (context, state, &padding);
 
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        gtk_style_context_get_style (context,
 
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                                     "focus-line-width", &focus_width,
 
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                                     "focus-padding", &focus_pad,
 
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                                     NULL);
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        switch (sdd->orient) {
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        case GTK_ORIENTATION_HORIZONTAL:
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                thickness = style->ythickness;
 
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                thickness = padding.top + padding.bottom;
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                break;
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        case GTK_ORIENTATION_VERTICAL:
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                thickness = style->xthickness;
 
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                thickness = padding.left + padding.right;
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                break;
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        }
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        icon_size = sdd->size - 2 * (focus_width + focus_pad + thickness);
 
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        icon_size = sdd->size - 2 * (focus_width + focus_pad) - thickness;
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        if (icon_size < 22)
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                icon_size = 16;
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        g_object_unref (icon);
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}
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static const GtkActionEntry show_desktop_menu_actions [] = {
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        { "ShowDesktopHelp", GTK_STOCK_HELP, N_("_Help"),
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          NULL, NULL,
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          G_CALLBACK (display_help_dialog) },
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        { "ShowDesktopAbout", GTK_STOCK_ABOUT, N_("_About"),
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          NULL, NULL,
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          G_CALLBACK (display_about_dialog) }
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};
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/* This updates things that should be consistent with the button's appearance,
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 * and update_button_state updates the button appearance itself
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 */
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applet_destroyed (GtkWidget       *applet,
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                  ShowDesktopData *sdd)
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{
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        if (sdd->about_dialog) {
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                gtk_widget_destroy (sdd->about_dialog);
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                sdd->about_dialog =  NULL;
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        }
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        if (sdd->button_activate != 0) {
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                g_source_remove (sdd->button_activate);
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                sdd->button_activate = 0;
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show_desktop_applet_fill (PanelApplet *applet)
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{
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        ShowDesktopData *sdd;
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        GtkActionGroup  *action_group;
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        gchar           *ui_path;
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        AtkObject       *atk_obj;
 
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        GtkCssProvider  *provider;
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        panel_applet_set_flags (applet, PANEL_APPLET_EXPAND_MINOR);
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        sdd->button = gtk_toggle_button_new ();
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        gtk_widget_set_name (sdd->button, "showdesktop-button");
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        gtk_rc_parse_string ("\n"
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                             "   style \"showdesktop-button-style\"\n"
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                             "   {\n"
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                             "      GtkWidget::focus-line-width=0\n"
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                             "      GtkWidget::focus-padding=0\n"
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                             "   }\n"
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                             "\n"
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                             "    widget \"*.showdesktop-button\" style \"showdesktop-button-style\"\n"
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                             "\n");
 
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        provider = gtk_css_provider_new ();
 
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        gtk_css_provider_load_from_data (provider,
 
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                                         "#showdesktop-button {\n"
 
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                                         " -GtkWidget-focus-line-width: 0px;\n"
 
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                                         " -GtkWidget-focus-padding: 0px;\n"
 
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                                         "}",
 
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                                         -1, NULL);
 
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        gtk_style_context_add_provider (gtk_widget_get_style_context (sdd->button),
 
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                                        GTK_STYLE_PROVIDER (provider),
 
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                                        GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
 
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        g_object_unref (provider);
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        atk_obj = gtk_widget_get_accessible (sdd->button);
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        atk_object_set_name (atk_obj, _("Show Desktop Button"));
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        panel_applet_set_background_widget (PANEL_APPLET (sdd->applet),
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                                            GTK_WIDGET (sdd->applet));
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        action_group = gtk_action_group_new ("ShowDesktop Applet Actions");
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        gtk_action_group_set_translation_domain (action_group, GETTEXT_PACKAGE);
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        gtk_action_group_add_actions (action_group,
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                                      show_desktop_menu_actions,
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                                      G_N_ELEMENTS (show_desktop_menu_actions),
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                                      sdd);
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        ui_path = g_build_filename (WNCK_MENU_UI_DIR, "showdesktop-menu.xml", NULL);
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        panel_applet_setup_menu_from_file (PANEL_APPLET (sdd->applet),
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                                           ui_path, action_group);
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        g_free (ui_path);
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        g_object_unref (action_group);
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        g_signal_connect (G_OBJECT (sdd->applet),
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                          "destroy",
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                          G_CALLBACK (applet_destroyed),
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}
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static void
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display_help_dialog (GtkAction       *action,
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                     ShowDesktopData *sdd)
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{
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        wncklet_display_help (sdd->applet, "user-guide",
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                              "gospanel-564", SHOW_DESKTOP_ICON);
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}
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static void
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display_about_dialog (GtkAction       *action,
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                      ShowDesktopData *sdd)
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{
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        static const gchar *authors[] = {
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                "Havoc Pennington <hp@redhat.com>",
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                NULL
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        };
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        static const char *documenters[] = {
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                "Sun GNOME Documentation Team <gdocteam@sun.com>",
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                NULL
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        };
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        /* Translator credits */
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        const char *translator_credits = _("translator-credits");
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        wncklet_display_about (sdd->applet, &sdd->about_dialog,
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                               _("Show Desktop Button"),
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                               "Copyright \xc2\xa9 2002 Red Hat, Inc.",
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                               _("This button lets you hide all windows and show the desktop."),
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                               authors,
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                               documenters,
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                               translator_credits,
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                               SHOW_DESKTOP_ICON,
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                               "show-desktop",
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                               "show-desktop");
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}
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static void
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button_toggled_callback (GtkWidget       *button,
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                         ShowDesktopData *sdd)
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{