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GtkHeaderBar: Allow window dragging

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We use the same window-dragging style property here to enable
this as for menubars and toolbars.
This commit is contained in:
Matthias Clasen
2013-03-18 01:02:19 -04:00
parent 2fe07c9068
commit 30a1a79322
1 changed files with 119 additions and 0 deletions
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119
gtk/gtkheaderbar.c
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@ -51,6 +51,7 @@ struct _GtkHeaderBarPrivate
gchar *title;
GtkWidget *label;
GtkWidget *custom_title;
GdkWindow *event_window;
gint spacing;
gint hpadding;
gint vpadding;
@ -463,6 +464,13 @@ gtk_header_bar_size_allocate (GtkWidget *widget,
gtk_widget_set_allocation (widget, allocation);
if (gtk_widget_get_realized (widget))
gdk_window_move_resize (priv->event_window,
allocation->x,
allocation->y,
allocation->width,
allocation->height);
direction = gtk_widget_get_direction (widget);
nvis_children = count_visible_children (bar);
sizes = g_newa (GtkRequestedSize, nvis_children);
@ -1020,6 +1028,112 @@ gtk_header_bar_get_path_for_child (GtkContainer *container,
return path;
}
static gboolean
gtk_header_bar_button_press (GtkWidget *widget,
GdkEventButton *event)
{
GtkWidget *window;
gboolean window_drag = FALSE;
if (event->type != GDK_BUTTON_PRESS)
return FALSE;
window = gtk_widget_get_toplevel (widget);
if (window)
{
gtk_widget_style_get (widget,
"window-dragging", &window_drag,
NULL);
if (window_drag)
{
gtk_window_begin_move_drag (GTK_WINDOW (window),
event->button,
event->x_root,
event->y_root,
event->time);
return TRUE;
}
}
return FALSE;
}
static void
gtk_header_bar_realize (GtkWidget *widget)
{
GtkHeaderBar *bar = GTK_HEADER_BAR (widget);
GtkHeaderBarPrivate *priv = bar->priv;
GtkAllocation allocation;
GdkWindow *window;
GdkWindowAttr attributes;
gint attributes_mask;
gtk_widget_get_allocation (widget, &allocation);
gtk_widget_set_realized (widget, TRUE);
attributes.window_type = GDK_WINDOW_CHILD;
attributes.x = allocation.x;
attributes.y = allocation.y;
attributes.width = allocation.width;
attributes.height = allocation.height;
attributes.wclass = GDK_INPUT_ONLY;
attributes.event_mask = gtk_widget_get_events (widget);
attributes.event_mask |= (GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_TOUCH_MASK);
attributes_mask = GDK_WA_X | GDK_WA_Y;
window = gtk_widget_get_parent_window (widget);
gtk_widget_set_window (widget, window);
g_object_ref (window);
priv->event_window = gdk_window_new (window,
&attributes, attributes_mask);
gtk_widget_register_window (widget, priv->event_window);
}
static void
gtk_header_bar_unrealize (GtkWidget *widget)
{
GtkHeaderBar *bar = GTK_HEADER_BAR (widget);
GtkHeaderBarPrivate *priv = bar->priv;
if (priv->event_window)
{
gtk_widget_unregister_window (widget, priv->event_window);
gdk_window_destroy (priv->event_window);
priv->event_window = NULL;
}
GTK_WIDGET_CLASS (gtk_header_bar_parent_class)->unrealize (widget);
}
static void
gtk_header_bar_map (GtkWidget *widget)
{
GtkHeaderBar *bar = GTK_HEADER_BAR (widget);
GtkHeaderBarPrivate *priv = bar->priv;
GTK_WIDGET_CLASS (gtk_header_bar_parent_class)->map (widget);
if (priv->event_window)
gdk_window_show_unraised (priv->event_window);
}
static void
gtk_header_bar_unmap (GtkWidget *widget)
{
GtkHeaderBar *bar = GTK_HEADER_BAR (widget);
GtkHeaderBarPrivate *priv = bar->priv;
if (priv->event_window)
gdk_window_hide (priv->event_window);
GTK_WIDGET_CLASS (gtk_header_bar_parent_class)->unmap (widget);
}
static gint
gtk_header_bar_draw (GtkWidget *widget,
cairo_t *cr)
@ -1056,6 +1170,11 @@ gtk_header_bar_class_init (GtkHeaderBarClass *class)
widget_class->get_preferred_height = gtk_header_bar_get_preferred_height;
widget_class->get_preferred_height_for_width = gtk_header_bar_get_preferred_height_for_width;
widget_class->get_preferred_width_for_height = gtk_header_bar_get_preferred_width_for_height;
widget_class->button_press_event = gtk_header_bar_button_press;
widget_class->realize = gtk_header_bar_realize;
widget_class->unrealize = gtk_header_bar_unrealize;
widget_class->map = gtk_header_bar_map;
widget_class->unmap = gtk_header_bar_unmap;
widget_class->draw = gtk_header_bar_draw;
container_class->add = gtk_header_bar_add;