Update windowheader plugin

- sync with updates of wnck
- sync with updates of xfce
- add build scripts

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
+	);
+}
+