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_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_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 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 gboolean
gdl_dock_tablabel_draw (GtkWidget *widget,
cairo_t *cr)
{
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GDL_IS_DOCK_TABLABEL (widget), FALSE);
g_return_val_if_fail (cr != NULL, FALSE);
if (gtk_widget_get_visible (widget) && gtk_widget_get_mapped (widget)) {
GTK_WIDGET_CLASS (gdl_dock_tablabel_parent_class)->draw (widget, cr);
gdl_dock_tablabel_paint (widget, cr);
};
return FALSE;
}
static gint
gdl_dock_tablabel_expose (GtkWidget *widget,
GdkEventExpose *event)
{
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);
if (gtk_widget_get_visible (widget) && gtk_widget_get_mapped (widget)) {
GDL_CALL_PARENT_GBOOLEAN(GTK_WIDGET_CLASS, expose_event, (widget,event));
gdl_dock_tablabel_paint (widget, event);
};
return FALSE;
}
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 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;
}