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@ -20,6 +20,7 @@ |
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#endif |
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#include <gdk/gdk.h> |
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#include <panel/panel-private.c> |
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#include <libxfce4util/libxfce4util.h> |
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#include <libxfce4panel/libxfce4panel.h> |
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#include <libxfce4panel/xfce-panel-plugin-provider.h> |
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@ -43,52 +44,80 @@ struct _WrapperPlugClass |
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struct _WrapperPlug |
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{ |
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GtkPlug __parent__; |
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/* the panel plugin */ |
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XfcePanelPluginProvider *provider; |
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/* socket id of panel window */ |
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GdkNativeWindow socket_id; |
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/* the message atom */ |
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GdkAtom atom; |
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/* background alpha */ |
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gdouble background_alpha; |
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}; |
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G_DEFINE_TYPE (WrapperPlug, wrapper_plug, GTK_TYPE_PLUG); |
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//~ static gboolean
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//~ wrapper_plug_expose_event (GtkWidget *widget,
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//~ GdkEventExpose *event)
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//~ {
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//~ cairo_t *cr;
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//~ GtkStyle *style;
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//~ double r,g,b;
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//~
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//~ cr = gdk_cairo_create (widget->window);
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//~
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//~ cairo_rectangle (cr, event->area.x,
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//~ event->area.y,
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//~ event->area.width,
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//~ event->area.height);
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//~ cairo_clip (cr);
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//~
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//~ cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
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//~
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//~ /* fully transparent */
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//~ style = gtk_widget_get_style (widget);
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//~ r = (double) style->bg[widget->state].red / (double) 65535;
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//~ g = (double) style->bg[widget->state].green / (double) 65535;
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//~ b = (double) style->bg[widget->state].blue / (double) 65535;
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//~ cairo_set_source_rgba (cr, r, g, b, 0.50);
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//~ cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
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//~ cairo_paint (cr);
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//~
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//~ cairo_destroy (cr);
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//~ return GTK_WIDGET_CLASS(wrapper_plug_parent_class)->expose_event(widget, event);
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//~ }
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static gboolean |
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wrapper_plug_expose_event (GtkWidget *widget, |
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GdkEventExpose *event) |
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{ |
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WrapperPlug *plug = WRAPPER_PLUG (widget); |
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cairo_t *cr; |
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GdkColor *color; |
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if (GTK_WIDGET_DRAWABLE (widget) && plug->background_alpha < 1.00) |
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{ |
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/* create the cairo context */ |
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cr = gdk_cairo_create (widget->window); |
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/* get the background gdk color */ |
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color = &(widget->style->bg[GTK_STATE_NORMAL]); |
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/* set the cairo source color */ |
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_set_source_rgba (cr, color, plug->background_alpha); |
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/* create retangle */ |
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cairo_rectangle (cr, event->area.x, event->area.y, |
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event->area.width, event->area.height); |
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/* draw on source */ |
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cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE); |
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/* paint rectangle */ |
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cairo_fill (cr); |
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/* destroy cairo context */ |
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cairo_destroy (cr); |
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} |
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//~ cairo_rectangle (cr, event->area.x,
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//~ event->area.y,
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//~ event->area.width,
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//~ event->area.height);
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//~ cairo_clip (cr);
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//~
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//~ cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
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//~
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//~ style = gtk_widget_get_style (widget);
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//~ r = (double) style->bg[widget->state].red / (double) 65535;
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//~ g = (double) style->bg[widget->state].green / (double) 65535;
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//~ b = (double) style->bg[widget->state].blue / (double) 65535;
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//~ cairo_set_source_rgba (cr, r, g, b, 0.50);
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//~ cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
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//~ cairo_paint (cr);
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//~
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//~ cairo_destroy (cr);
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return GTK_WIDGET_CLASS(wrapper_plug_parent_class)->expose_event(widget, event); |
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} |
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@ -100,10 +129,10 @@ wrapper_plug_class_init (WrapperPlugClass *klass) |
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gobject_class = G_OBJECT_CLASS (klass); |
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gobject_class->finalize = wrapper_plug_finalize; |
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gtkwidget_class = GTK_WIDGET_CLASS (klass); |
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gtkwidget_class->client_event = wrapper_plug_client_event; |
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//gtkwidget_class->expose_event = wrapper_plug_expose_event;
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gtkwidget_class->expose_event = wrapper_plug_expose_event; |
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} |
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@ -113,26 +142,27 @@ wrapper_plug_init (WrapperPlug *plug) |
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{ |
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plug->socket_id = 0; |
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plug->atom = panel_atom_intern ("XFCE_PANEL_PLUGIN"); |
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//~ GdkScreen *screen;
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//~ GdkColormap *colormap;
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//~ GtkWidget *widget = GTK_WIDGET (plug);
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//~
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//~ /* try to set the rgba colormap */
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//~ screen = gtk_window_get_screen (GTK_WINDOW (plug));
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//~ if (gdk_screen_is_composited (screen))
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//~ {
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//~ /* try to get the rgba colormap */
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//~ colormap = gdk_screen_get_rgba_colormap (screen);
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//~
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//~ if (G_LIKELY (colormap))
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//~ {
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//~ /* set the colormap */
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//~ gtk_widget_set_colormap (widget, colormap);
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//~ }
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//~ }
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//gtk_widget_set_app_paintable (GTK_WIDGET (plug), TRUE);
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plug->background_alpha = 1.00; |
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GdkScreen *screen; |
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GdkColormap *colormap; |
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GtkWidget *widget = GTK_WIDGET (plug); |
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/* try to set the rgba colormap */ |
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screen = gtk_window_get_screen (GTK_WINDOW (plug)); |
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if (gdk_screen_is_composited (screen)) |
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{ |
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/* try to get the rgba colormap */ |
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colormap = gdk_screen_get_rgba_colormap (screen); |
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if (G_LIKELY (colormap)) |
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{ |
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/* set the colormap */ |
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gtk_widget_set_colormap (widget, colormap); |
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} |
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} |
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gtk_widget_set_app_paintable (GTK_WIDGET (plug), TRUE); |
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} |
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@ -147,56 +177,69 @@ wrapper_plug_finalize (GObject *object) |
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static gboolean |
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wrapper_plug_client_event (GtkWidget *widget, |
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static gboolean |
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wrapper_plug_client_event (GtkWidget *widget, |
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GdkEventClient *event) |
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{ |
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WrapperPlug *plug = WRAPPER_PLUG (widget); |
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XfcePanelPluginMessage message; |
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glong value; |
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/* check if this is a panel client event */ |
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if (G_LIKELY (event->message_type == plug->atom)) |
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{ |
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/* get message and value */ |
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message = event->data.l[0]; |
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value = event->data.l[1]; |
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switch (message) |
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{ |
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case MESSAGE_SET_SENSITIVE: |
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/* set the sensitivity of the plug */ |
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gtk_widget_set_sensitive (widget, !!(value == 1)); |
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break; |
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case MESSAGE_SET_SIZE: |
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/* set the new plugin size */ |
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xfce_panel_plugin_provider_set_size (plug->provider, value); |
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break; |
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case MESSAGE_SET_ORIENTATION: |
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/* set the plugin orientation */ |
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xfce_panel_plugin_provider_set_orientation (plug->provider, value); |
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break; |
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case MESSAGE_SET_SCREEN_POSITION: |
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/* set the plugin screen position */ |
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xfce_panel_plugin_provider_set_screen_position (plug->provider, value); |
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break; |
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case MESSAGE_SET_BACKGROUND_ALPHA: |
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/* set the background alpha */ |
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plug->background_alpha = CLAMP (value, 0, 100) / 100.00; |
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/* redraw the window */ |
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gtk_widget_queue_draw (widget); |
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break; |
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case MESSAGE_SAVE: |
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/* save the plugin */ |
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xfce_panel_plugin_provider_save (plug->provider); |
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break; |
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case MESSAGE_QUIT: |
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/* don't send messages */ |
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plug->socket_id = 0; |
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/* quit the main loop (destroy plugin) */ |
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gtk_main_quit (); |
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break; |
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default: |
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g_message ("The wrapper received an unknown message: %d", message); |
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break; |
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} |
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/* we handled the event */ |
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return TRUE; |
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} |
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@ -216,9 +259,9 @@ wrapper_plug_send_message (WrapperPlug *plug, |
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glong value) |
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{ |
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GdkEventClient event; |
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panel_return_if_fail (WRAPPER_IS_PLUG (plug)); |
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if (G_LIKELY (plug->socket_id > 0)) |
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{ |
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/* setup the event */ |
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@ -230,16 +273,16 @@ wrapper_plug_send_message (WrapperPlug *plug, |
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event.data.l[0] = message; |
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event.data.l[1] = value; |
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event.data.l[2] = 0; |
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/* don't crash on x errors */ |
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gdk_error_trap_push (); |
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/* send the event to the wrapper */ |
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gdk_event_send_client_message_for_display (gdk_display_get_default (), (GdkEvent *) &event, plug->socket_id); |
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/* flush the x output buffer */ |
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gdk_flush (); |
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/* pop the push */ |
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gdk_error_trap_pop (); |
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} |
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@ -254,7 +297,7 @@ wrapper_plug_message_expand_changed (XfcePanelPluginProvider *provider, |
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{ |
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panel_return_if_fail (XFCE_IS_PANEL_PLUGIN_PROVIDER (provider)); |
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panel_return_if_fail (WRAPPER_IS_PLUG (plug)); |
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/* send signal */ |
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wrapper_plug_send_message (plug, MESSAGE_EXPAND_CHANGED, expand ? 1 : 0); |
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} |
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@ -267,7 +310,7 @@ wrapper_plug_message_move_item (XfcePanelPluginProvider *provider, |
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{ |
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panel_return_if_fail (XFCE_IS_PANEL_PLUGIN_PROVIDER (provider)); |
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panel_return_if_fail (WRAPPER_IS_PLUG (plug)); |
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/* send signal */ |
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wrapper_plug_send_message (plug, MESSAGE_MOVE_ITEM, 0); |
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} |
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@ -280,7 +323,7 @@ wrapper_plug_message_add_new_items (XfcePanelPluginProvider *provider, |
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{ |
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panel_return_if_fail (XFCE_IS_PANEL_PLUGIN_PROVIDER (provider)); |
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panel_return_if_fail (WRAPPER_IS_PLUG (plug)); |
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/* send signal */ |
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wrapper_plug_send_message (plug, MESSAGE_ADD_NEW_ITEMS, 0); |
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} |
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@ -293,7 +336,7 @@ wrapper_plug_message_customize_panel (XfcePanelPluginProvider *provider, |
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{ |
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panel_return_if_fail (XFCE_IS_PANEL_PLUGIN_PROVIDER (provider)); |
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panel_return_if_fail (WRAPPER_IS_PLUG (plug)); |
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/* send signal */ |
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wrapper_plug_send_message (plug, MESSAGE_CUSTOMIZE_PANEL, 0); |
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} |
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@ -311,7 +354,7 @@ wrapper_plug_message_remove (XfcePanelPluginProvider *provider, |
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{ |
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/* send signal */ |
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wrapper_plug_send_message (plug, MESSAGE_REMOVE, 0); |
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/* quit the wrapper */ |
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gtk_main_quit (); |
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} |
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@ -324,26 +367,26 @@ wrapper_plug_new (GdkNativeWindow socket_id, |
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XfcePanelPluginProvider *provider) |
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{ |
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WrapperPlug *plug; |
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/* create new object */ |
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plug = g_object_new (WRAPPER_TYPE_PLUG, NULL); |
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/* store info */ |
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plug->socket_id = socket_id; |
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plug->provider = provider; |
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/* monitor changes in the provider */ |
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g_signal_connect (G_OBJECT (provider), "expand-changed", G_CALLBACK (wrapper_plug_message_expand_changed), plug); |
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g_signal_connect (G_OBJECT (provider), "move-item", G_CALLBACK (wrapper_plug_message_move_item), plug); |
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g_signal_connect (G_OBJECT (provider), "add-new-items", G_CALLBACK (wrapper_plug_message_add_new_items), plug); |
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g_signal_connect (G_OBJECT (provider), "customize-panel", G_CALLBACK (wrapper_plug_message_customize_panel), plug); |
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g_signal_connect (G_OBJECT (provider), "destroy", G_CALLBACK (wrapper_plug_message_remove), plug); |
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/* contruct the plug */ |
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gtk_plug_construct (GTK_PLUG (plug), socket_id); |
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/* send the plug id back to the panel */ |
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wrapper_plug_send_message (plug, MESSAGE_SET_PLUG_ID, gtk_plug_get_id (GTK_PLUG (plug))); |
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return GTK_WIDGET (plug); |
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} |
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Nick Schermer
13 years ago