diff options
Diffstat (limited to 'panel-plugin/title.c')
| -rw-r--r-- | panel-plugin/title.c | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/panel-plugin/title.c b/panel-plugin/title.c new file mode 100644 index 0000000..2252271 --- /dev/null +++ b/panel-plugin/title.c @@ -0,0 +1,230 @@ +#include <gtk/gtk.h> + +#include <libxfce4panel/xfce-panel-plugin.h> +#include <libxfce4panel/libxfce4panel.h> + +#include <libwnck/libwnck.h> + +#include <glib.h> +#include <glib-object.h> + +typedef struct { + XfcePanelPlugin *plugin; + + GtkWidget *button; + GtkWidget *label; + GtkWidget *menu; + + WnckScreen *screen; + WnckWindow *window; + + gint screen_id; + gint wnck_screen_id; + gint wnck_window_id; +} TitlePlugin; + +static void title_construct(XfcePanelPlugin *plugin); + +XFCE_PANEL_PLUGIN_REGISTER(title_construct); + +static void title_free(XfcePanelPlugin *plugin, TitlePlugin *title) +{ + if (title->screen_id != 0) + g_signal_handler_disconnect(plugin, title->screen_id); + + if (title->wnck_screen_id != 0) + g_signal_handler_disconnect(title->screen, title->wnck_screen_id); + + if (title->wnck_window_id != 0) + g_signal_handler_disconnect(title->window, title->wnck_window_id); + + if (title->menu != NULL) + gtk_widget_destroy(title->menu); + + title->screen_id = 0; + title->wnck_screen_id = 0; + title->wnck_window_id = 0; + + gtk_widget_destroy(title->button); + panel_slice_free(TitlePlugin, title); +} + +static gboolean title_size_changed(XfcePanelPlugin *plugin, + gint size, + G_GNUC_UNUSED TitlePlugin *title) +{ + GtkOrientation orientation; + + orientation = xfce_panel_plugin_get_orientation(plugin); + + if (orientation == GTK_ORIENTATION_HORIZONTAL) + gtk_widget_set_size_request(GTK_WIDGET(plugin), -1, size); + else + gtk_widget_set_size_request(GTK_WIDGET(plugin), size, -1); + + return TRUE; +} + +static void title_update_label(TitlePlugin *title, const char *label) +{ + gtk_label_set_label(GTK_LABEL(title->label), label); + gtk_widget_set_tooltip_text(title->button, label); +} + +static void title_window_name_changed(WnckWindow *window, + TitlePlugin *title) +{ + const gchar *name = wnck_window_get_name(window); + title_update_label(title, name); +} + +static int title_check_type(WnckWindow *window) +{ + WnckWindowType type = wnck_window_get_window_type(window); + + switch (type) { + case WNCK_WINDOW_NORMAL: + case WNCK_WINDOW_DIALOG: + return 0; + + default: + break; + } + + return 1; +} + +static void title_window_changed(WnckScreen *screen, + G_GNUC_UNUSED WnckWindow *window_, + TitlePlugin *title) +{ + WnckWindow *window; + const gchar *name = NULL; + + if (title->wnck_window_id != 0) { + g_signal_handler_disconnect(title->window, title->wnck_window_id); + title->wnck_window_id = 0; + title->window = NULL; + } + + window = wnck_screen_get_active_window(screen); + + if (window == NULL || title_check_type(window)) + gtk_widget_hide(title->button); + else { + title->window = window; + + name = wnck_window_get_name(window); + + title->wnck_window_id = g_signal_connect( + window, "name-changed", + G_CALLBACK(title_window_name_changed), title + ); + + gtk_widget_show(title->button); + } + + title_update_label(title, name); +} + +static void title_screen_changed(XfcePanelPlugin *plugin, + GdkScreen *screen, + TitlePlugin *title) +{ + if (title->wnck_screen_id != 0) { + g_signal_handler_disconnect(title->screen, title->wnck_screen_id); + title->wnck_screen_id = 0; + } + + if (title->wnck_window_id != 0) { + g_signal_handler_disconnect(title->window, title->wnck_window_id); + title->wnck_window_id = 0; + title->window = NULL; + } + + screen = gtk_widget_get_screen(GTK_WIDGET(plugin)); + if (screen != NULL) { + G_GNUC_BEGIN_IGNORE_DEPRECATIONS + title->screen = wnck_screen_get(gdk_screen_get_number(screen)); + G_GNUC_END_IGNORE_DEPRECATIONS + + title->wnck_screen_id = g_signal_connect( + title->screen, "active-window-changed", + G_CALLBACK(title_window_changed), title + ); + + title_window_changed(title->screen, NULL, title); + } +} + +static void title_menu_destroy(GtkWidget *menu, TitlePlugin *title) +{ + gtk_widget_destroy(menu); + title->menu = NULL; +} + +static void title_pressed(GtkButton *button, TitlePlugin *title) +{ + if (title->menu != NULL) + gtk_widget_destroy(title->menu); + + if (title->window != NULL) { + GtkWidget *menu = wnck_action_menu_new(title->window); + + title->menu = menu; + + g_signal_connect(G_OBJECT(menu), "selection-done", G_CALLBACK(title_menu_destroy), title); + gtk_menu_attach_to_widget(GTK_MENU(menu), GTK_WIDGET(button), NULL); + gtk_menu_popup_at_pointer(GTK_MENU(menu), NULL); + } +} + +static TitlePlugin *title_new(XfcePanelPlugin *plugin) +{ + TitlePlugin *title; + + title = g_slice_new0(TitlePlugin); + + title->plugin = plugin; + + title->button = xfce_create_panel_button(); + gtk_widget_show(title->button); + + title->label = gtk_label_new(NULL); + gtk_label_set_ellipsize(GTK_LABEL(title->label), PANGO_ELLIPSIZE_END); + gtk_widget_show(title->label); + + gtk_container_add(GTK_CONTAINER(title->button), title->label); + + return title; +} + +static void title_construct(XfcePanelPlugin *plugin) +{ + TitlePlugin *title; + + title = title_new(plugin); + + gtk_container_add(GTK_CONTAINER(plugin), title->button); + + xfce_panel_plugin_add_action_widget(plugin, title->button); + xfce_panel_plugin_set_expand(plugin, TRUE); + + g_signal_connect(plugin, "free-data", + G_CALLBACK(title_free), title); + + g_signal_connect(plugin, "size-changed", + G_CALLBACK(title_size_changed), NULL); + + g_signal_connect(title->button, "pressed", + G_CALLBACK(title_pressed), title); + + title_screen_changed(plugin, gtk_widget_get_screen(title->button), + title); + + title->screen_id = g_signal_connect( + plugin, "screen-changed", + G_CALLBACK(title_screen_changed), title + ); +} + |