static void
gdl_dock_tablabel_get_preferred_height (GtkWidget *widget,
gint *minimum,
gint *natural)
{
GtkBin *bin;
gint child_min, child_nat;
GdlDockTablabel *tablabel;
guint border_width;
g_return_if_fail (widget != NULL);
g_return_if_fail (GDL_IS_DOCK_TABLABEL (widget));
tablabel = GDL_DOCK_TABLABEL (widget);
bin = GTK_BIN (widget);
*minimum = *natural = 0;
if (gtk_bin_get_child (bin))
gtk_widget_get_preferred_height (gtk_bin_get_child (bin), &child_min, &child_nat);
else
child_min = child_nat = 0;
*minimum = child_min;
*natural = child_nat;
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
*minimum += border_width * 2;
*natural += border_width * 2;
}
static void
gdl_dock_tablabel_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
GtkBin *bin;
GtkRequisition child_req;
GdlDockTablabel *tablabel;
g_return_if_fail (widget != NULL);
g_return_if_fail (GDL_IS_DOCK_TABLABEL (widget));
g_return_if_fail (requisition != NULL);
tablabel = GDL_DOCK_TABLABEL (widget);
bin = GTK_BIN (widget);
requisition->width = tablabel->drag_handle_size;
requisition->height = 0;
if (bin->child)
gtk_widget_size_request (bin->child, &child_req);
else
child_req.width = child_req.height = 0;
requisition->width += child_req.width;
requisition->height += child_req.height;
requisition->width += GTK_CONTAINER (widget)->border_width * 2;
requisition->height += GTK_CONTAINER (widget)->border_width * 2;
widget->requisition = *requisition;
}
static void
gdl_dock_tablabel_paint (GtkWidget *widget,
cairo_t *cr)
{
GtkBin *bin;
GtkAllocation widget_allocation;
GdlDockTablabel *tablabel;
gint border_width;
cairo_rectangle_int_t rect;
bin = GTK_BIN (widget);
tablabel = GDL_DOCK_TABLABEL (widget);
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
gtk_widget_get_allocation (widget, &widget_allocation);
rect.x = widget_allocation.x + border_width;
rect.y = widget_allocation.y + border_width;
rect.width = tablabel->drag_handle_size * HANDLE_RATIO;
rect.height = widget_allocation.height - 2*border_width;
if (gtk_cairo_should_draw_window (cr, gtk_widget_get_window (widget)))
{
GtkStyleContext* context = gtk_widget_get_style_context (widget);
gtk_style_context_set_state (context,
tablabel->active ? 0 : GTK_STATE_FLAG_ACTIVE);
gtk_render_handle (gtk_widget_get_style_context (widget),
cr, rect.x, rect.y, rect.width, rect.height);
};
}
static void
gdl_dock_tablabel_paint (GtkWidget *widget,
GdkEventExpose *event)
{
GdkRectangle dest, rect;
GtkBin *bin;
GdlDockTablabel *tablabel;
gint border_width;
bin = GTK_BIN (widget);
tablabel = GDL_DOCK_TABLABEL (widget);
border_width = GTK_CONTAINER (widget)->border_width;
rect.x = widget->allocation.x + border_width;
rect.y = widget->allocation.y + border_width;
rect.width = tablabel->drag_handle_size * HANDLE_RATIO;
rect.height = widget->allocation.height - 2*border_width;
if (gdk_rectangle_intersect (&event->area, &rect, &dest)) {
gtk_paint_handle (widget->style, widget->window,
tablabel->active ? GTK_STATE_NORMAL : GTK_STATE_ACTIVE,
GTK_SHADOW_NONE,
&dest, widget, "dock-tablabel",
rect.x, rect.y, rect.width, rect.height,
GTK_ORIENTATION_VERTICAL);
};
}
static void
gdl_dock_tablabel_item_notify (GObject *master,
GParamSpec *pspec,
gpointer data)
{
GdlDockTablabel *tablabel = GDL_DOCK_TABLABEL (data);
gboolean locked;
gchar *label;
GtkBin *bin;
g_object_get (master,
"locked", &locked,
"grip-size", &tablabel->drag_handle_size,
"long-name", &label,
NULL);
if (locked)
tablabel->drag_handle_size = 0;
bin = GTK_BIN (tablabel);
if (gtk_bin_get_child (bin) && g_object_class_find_property (
G_OBJECT_GET_CLASS (gtk_bin_get_child (bin)), "label"))
g_object_set (gtk_bin_get_child (bin), "label", label, NULL);
g_free (label);
gtk_widget_queue_resize (GTK_WIDGET (tablabel));
}
static void
gdl_dock_tablabel_get_preferred_width (GtkWidget *widget,
gint *minimum,
gint *natural)
{
GtkBin *bin;
gint child_min, child_nat;
GdlDockTablabel *tablabel;
guint border_width;
g_return_if_fail (widget != NULL);
g_return_if_fail (GDL_IS_DOCK_TABLABEL (widget));
tablabel = GDL_DOCK_TABLABEL (widget);
bin = GTK_BIN (widget);
*minimum = *natural = tablabel->drag_handle_size;
if (gtk_bin_get_child (bin))
gtk_widget_get_preferred_width (gtk_bin_get_child (bin), &child_min, &child_nat);
else
child_min = child_nat = 0;
*minimum += child_min + border_width * 2;
*natural += child_nat + border_width * 2;
}
static void
gdl_dock_tablabel_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GdlDockTablabel *tablabel;
GtkBin *bin;
tablabel = GDL_DOCK_TABLABEL (object);
switch (prop_id) {
case PROP_ITEM:
if (tablabel->item) {
g_object_remove_weak_pointer (G_OBJECT (tablabel->item),
(gpointer *) &tablabel->item);
g_signal_handlers_disconnect_by_func (
tablabel->item, gdl_dock_tablabel_item_notify, tablabel);
};
tablabel->item = g_value_get_object (value);
if (tablabel->item) {
gboolean locked;
gchar *long_name;
g_object_add_weak_pointer (G_OBJECT (tablabel->item),
(gpointer *) &tablabel->item);
g_signal_connect (tablabel->item, "notify::locked",
G_CALLBACK (gdl_dock_tablabel_item_notify),
tablabel);
g_signal_connect (tablabel->item, "notify::long_name",
G_CALLBACK (gdl_dock_tablabel_item_notify),
tablabel);
g_signal_connect (tablabel->item, "notify::grip_size",
G_CALLBACK (gdl_dock_tablabel_item_notify),
tablabel);
g_object_get (tablabel->item,
"locked", &locked,
"long-name", &long_name,
"grip-size", &tablabel->drag_handle_size,
NULL);
if (locked)
tablabel->drag_handle_size = 0;
bin = GTK_BIN (tablabel);
if (gtk_bin_get_child (bin) && g_object_class_find_property (
G_OBJECT_GET_CLASS (gtk_bin_get_child (bin)), "label"))
g_object_set (gtk_bin_get_child (bin), "label", long_name, NULL);
g_free (long_name);
};
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gdl_dock_tablabel_unmap (GtkWidget *widget)
{
GdlDockTablabel *tablabel = GDL_DOCK_TABLABEL (widget);
gdk_window_hide (tablabel->event_window);
GTK_WIDGET_CLASS (gdl_dock_tablabel_parent_class)->unmap (widget);
}
static void
gdl_dock_tablabel_unmap (GtkWidget *widget)
{
GdlDockTablabel *tablabel = GDL_DOCK_TABLABEL (widget);
gdk_window_hide (tablabel->event_window);
GDL_CALL_PARENT (GTK_WIDGET_CLASS, unmap, (widget));
}
/**
* gdl_dock_tablabel_new:
* @item: The dock item that associated with this label widget.
*
* Creates a new GDL tab label widget.
*
* Returns: a new #GdlDockTablabel.
*
* Deprecated: 3.6: Use a #GtkLabel instead
*/
GtkWidget *
gdl_dock_tablabel_new (GdlDockItem *item)
{
GdlDockTablabel *tablabel;
tablabel = GDL_DOCK_TABLABEL (g_object_new (GDL_TYPE_DOCK_TABLABEL,
"item", item,
NULL));
return GTK_WIDGET (tablabel);
}
static void
gdl_dock_tablabel_unrealize (GtkWidget *widget)
{
GdlDockTablabel *tablabel = GDL_DOCK_TABLABEL (widget);
if (tablabel->event_window) {
gdk_window_set_user_data (tablabel->event_window, NULL);
gdk_window_destroy (tablabel->event_window);
tablabel->event_window = NULL;
}
GTK_WIDGET_CLASS (gdl_dock_tablabel_parent_class)->unrealize (widget);
}
static void
gdl_dock_tablabel_unrealize (GtkWidget *widget)
{
GdlDockTablabel *tablabel = GDL_DOCK_TABLABEL (widget);
if (tablabel->event_window) {
gdk_window_set_user_data (tablabel->event_window, NULL);
gdk_window_destroy (tablabel->event_window);
tablabel->event_window = NULL;
}
GDL_CALL_PARENT (GTK_WIDGET_CLASS, unrealize, (widget));
}
static gboolean
gdl_dock_tablabel_motion_event (GtkWidget *widget,
GdkEventMotion *event)
{
GdlDockTablabel *tablabel;
GtkAllocation widget_allocation;
gboolean event_handled;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GDL_IS_DOCK_TABLABEL (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
tablabel = GDL_DOCK_TABLABEL (widget);
event_handled = FALSE;
if (event->window != tablabel->event_window)
return FALSE;
if (tablabel->pre_drag) {
if (gtk_drag_check_threshold (widget,
tablabel->drag_start_event.x,
tablabel->drag_start_event.y,
event->x,
event->y)) {
tablabel->pre_drag = FALSE;
g_signal_emit (widget,
dock_tablabel_signals [BUTTON_PRESSED_HANDLE],
0,
&tablabel->drag_start_event);
event_handled = TRUE;
}
}
if (!event_handled) {
/* propagate the event to the parent's gdkwindow */
GdkEventMotion e;
e = *event;
e.window = gtk_widget_get_parent_window (widget);
gtk_widget_get_allocation (widget, &widget_allocation);
e.x += widget_allocation.x;
e.y += widget_allocation.y;
gdk_event_put ((GdkEvent *) &e);
};
return event_handled;
}
static void
gdl_dock_tablabel_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkBin *bin;
GtkAllocation widget_allocation;
GdlDockTablabel *tablabel;
gint border_width;
g_return_if_fail (widget != NULL);
g_return_if_fail (GDL_IS_DOCK_TABLABEL (widget));
g_return_if_fail (allocation != NULL);
bin = GTK_BIN (widget);
tablabel = GDL_DOCK_TABLABEL (widget);
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
gtk_widget_set_allocation (widget, allocation);
if (gtk_widget_get_realized (widget))
gdk_window_move_resize (tablabel->event_window,
allocation->x,
allocation->y,
allocation->width,
allocation->height);
if (gtk_bin_get_child (bin) && gtk_widget_get_visible (gtk_bin_get_child (bin))) {
GtkAllocation child_allocation;
gtk_widget_get_allocation (widget, &widget_allocation);
child_allocation.x = widget_allocation.x + border_width;
child_allocation.y = widget_allocation.y + border_width;
allocation->width = MAX (1, (int) allocation->width -
(int) tablabel->drag_handle_size);
child_allocation.x += tablabel->drag_handle_size;
child_allocation.width =
MAX (1, (int) allocation->width - 2 * border_width);
child_allocation.height =
MAX (1, (int) allocation->height - 2 * border_width);
gtk_widget_size_allocate (gtk_bin_get_child (bin), &child_allocation);
}
}
static void
gdl_dock_tablabel_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GdlDockTablabel *tablabel;
tablabel = GDL_DOCK_TABLABEL (object);
switch (prop_id) {
case PROP_ITEM:
g_value_set_object (value, tablabel->item);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gdl_dock_tablabel_realize (GtkWidget *widget)
{
GdlDockTablabel *tablabel;
GdkWindowAttr attributes;
GtkAllocation widget_allocation;
int attributes_mask;
tablabel = GDL_DOCK_TABLABEL (widget);
attributes.window_type = GDK_WINDOW_CHILD;
gtk_widget_get_allocation (widget, &widget_allocation);
attributes.x = widget_allocation.x;
attributes.y = widget_allocation.y;
attributes.width = widget_allocation.width;
attributes.height = widget_allocation.height;
attributes.wclass = GDK_INPUT_ONLY;
attributes.event_mask = gtk_widget_get_events (widget);
attributes.event_mask |= (GDK_EXPOSURE_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_ENTER_NOTIFY_MASK |
GDK_POINTER_MOTION_MASK |
GDK_LEAVE_NOTIFY_MASK);
attributes_mask = GDK_WA_X | GDK_WA_Y;
gtk_widget_set_window (widget, gtk_widget_get_parent_window (widget));
g_object_ref (gtk_widget_get_window (widget));
tablabel->event_window =
gdk_window_new (gtk_widget_get_parent_window (widget),
&attributes, attributes_mask);
gdk_window_set_user_data (tablabel->event_window, widget);
gtk_widget_set_realized (widget, TRUE);
}
static void
gdl_dock_tablabel_realize (GtkWidget *widget)
{
GdlDockTablabel *tablabel;
GdkWindowAttr attributes;
int attributes_mask;
tablabel = GDL_DOCK_TABLABEL (widget);
attributes.window_type = GDK_WINDOW_CHILD;
attributes.x = widget->allocation.x;
attributes.y = widget->allocation.y;
attributes.width = widget->allocation.width;
attributes.height = widget->allocation.height;
attributes.wclass = GDK_INPUT_ONLY;
attributes.event_mask = gtk_widget_get_events (widget);
attributes.event_mask |= (GDK_EXPOSURE_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_ENTER_NOTIFY_MASK |
GDK_POINTER_MOTION_MASK |
GDK_LEAVE_NOTIFY_MASK);
attributes_mask = GDK_WA_X | GDK_WA_Y;
widget->window = gtk_widget_get_parent_window (widget);
g_object_ref (widget->window);
tablabel->event_window =
gdk_window_new (gtk_widget_get_parent_window (widget),
&attributes, attributes_mask);
gdk_window_set_user_data (tablabel->event_window, widget);
widget->style = gtk_style_attach (widget->style, widget->window);
GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
}
static gboolean
gdl_dock_tablabel_button_event (GtkWidget *widget,
GdkEventButton *event)
{
GdlDockTablabel *tablabel;
GtkAllocation widget_allocation;
gboolean event_handled;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GDL_IS_DOCK_TABLABEL (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
tablabel = GDL_DOCK_TABLABEL (widget);
event_handled = FALSE;
if (event->window != tablabel->event_window)
return FALSE;
switch (event->type) {
case GDK_BUTTON_PRESS:
if (tablabel->active) {
gboolean in_handle;
gint rel_x, rel_y;
guint border_width;
GtkBin *bin;
bin = GTK_BIN (widget);
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
rel_x = event->x - border_width;
rel_y = event->y - border_width;
/* Check if user clicked on the drag handle. */
in_handle = (rel_x < tablabel->drag_handle_size * HANDLE_RATIO) &&
(rel_x > 0);
if (event->button == 1) {
tablabel->pre_drag = TRUE;
tablabel->drag_start_event = *event;
}
else {
g_signal_emit (widget,
dock_tablabel_signals [BUTTON_PRESSED_HANDLE],
0,
event);
}
event_handled = TRUE;
}
break;
case GDK_BUTTON_RELEASE:
tablabel->pre_drag = FALSE;
break;
default:
break;
}
if (!event_handled) {
/* propagate the event to the parent's gdkwindow */
GdkEventButton e;
e = *event;
e.window = gtk_widget_get_parent_window (widget);
gtk_widget_get_allocation (widget, &widget_allocation);
e.x += widget_allocation.x;
e.y += widget_allocation.y;
gdk_event_put ((GdkEvent *) &e);
};
return event_handled;
}
