static gint panels_expose(GtkWidget *widget, GdkEventExpose *event)
{
Panels *panels;
GtkWidget *child;
GList *children;
GdkEventExpose child_event;
g_return_val_if_fail(widget != NULL, FALSE);
g_return_val_if_fail(IS_PANELS(widget), FALSE);
g_return_val_if_fail(event != NULL, FALSE);
if (GTK_WIDGET_DRAWABLE(widget)) {
panels = PANELS(widget);
child_event = *event;
for (children = panels->children;
children && (child = children->data);
children = children->next) {
if (child &&
GTK_WIDGET_DRAWABLE(child) &&
GTK_WIDGET_NO_WINDOW(child) &&
gtk_widget_intersect(child, &event->area,
&child_event.area))
gtk_widget_event(child, (GdkEvent *)&child_event);
}
}
return FALSE;
}
static void
gtk_form_draw(GtkWidget *widget, GdkRectangle *area)
{
GtkForm *form;
GList *children;
GtkFormChild *child;
GdkRectangle child_area;
g_return_if_fail(GTK_IS_FORM(widget));
if (GTK_WIDGET_DRAWABLE(widget))
{
form = GTK_FORM(widget);
children = form->children;
while (children)
{
child = children->data;
if (GTK_WIDGET_DRAWABLE(child->widget)
&& gtk_widget_intersect(child->widget, area, &child_area))
gtk_widget_draw(child->widget, &child_area);
children = children->next;
}
}
}
static void
gtk_pizza_draw (GtkWidget *widget,
GdkRectangle *area)
{
GtkPizza *pizza;
GtkPizzaChild *child;
GdkRectangle child_area;
GList *children;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_PIZZA (widget));
pizza = GTK_PIZZA (widget);
/* Sometimes, We handle all expose events in window.cpp now. */
if (pizza->external_expose)
return;
children = pizza->children;
if ( !(GTK_WIDGET_APP_PAINTABLE (widget)) &&
(pizza->clear_on_draw))
{
gdk_window_clear_area( pizza->bin_window,
area->x, area->y, area->width, area->height);
}
while (children)
{
child = children->data;
children = children->next;
if (gtk_widget_intersect (child->widget, area, &child_area))
gtk_widget_draw (child->widget, &child_area);
}
}
static void
gtk_check_item_draw (GtkWidget *widget,
GdkRectangle *area)
{
GtkCheckItem *check_item;
GtkToggleButton *toggle_button;
GtkBin *bin;
GdkRectangle child_area;
g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_CHECK_ITEM (widget));
g_return_if_fail (area != NULL);
check_item = GTK_CHECK_ITEM (widget);
toggle_button = GTK_TOGGLE_BUTTON (widget);
bin = GTK_BIN (widget);
if (GTK_WIDGET_DRAWABLE (widget))
{
if (toggle_button->draw_indicator)
{
gtk_check_item_paint (widget, area);
if (bin->child && gtk_widget_intersect (bin->child, area, &child_area))
gtk_widget_draw (bin->child, &child_area);
}
else
{
if (GTK_WIDGET_CLASS (parent_class)->draw)
(* GTK_WIDGET_CLASS (parent_class)->draw) (widget, area);
}
}
}
static gint columns_expose(GtkWidget *widget, GdkEventExpose *event)
{
Columns *cols;
ColumnsChild *child;
GList *children;
GdkEventExpose child_event;
g_return_val_if_fail(widget != NULL, FALSE);
g_return_val_if_fail(IS_COLUMNS(widget), FALSE);
g_return_val_if_fail(event != NULL, FALSE);
if (GTK_WIDGET_DRAWABLE(widget)) {
cols = COLUMNS(widget);
child_event = *event;
for (children = cols->children; children && (child = children->data);
children = children->next) {
if (child->widget && GTK_WIDGET_DRAWABLE(child->widget) &&
GTK_WIDGET_NO_WINDOW(child->widget) &&
gtk_widget_intersect(child->widget, &event->area, &child_event.area))
gtk_widget_event(child->widget, (GdkEvent *)&child_event);
}
}
return FALSE;
}
static gint
awt_gtk_panel_expose (GtkWidget *widget,
GdkEventExpose *event)
{
AWTGtkPanel *panel;
GtkWidget *child;
GdkEventExpose child_event;
GList *children;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (event != NULL, FALSE);
if (GTK_WIDGET_DRAWABLE (widget))
{
panel = AWT_GTK_PANEL (widget);
child_event = *event;
children = panel->children;
while (children)
{
child = children->data;
children = children->next;
if (GTK_WIDGET_NO_WINDOW (child) &&
gtk_widget_intersect (child, &event->area,
&child_event.area))
gtk_widget_event (child, (GdkEvent*) &child_event);
}
}
return FALSE;
}
static void
awt_gtk_panel_draw (GtkWidget *widget,
GdkRectangle *area)
{
AWTGtkPanel *panel;
GtkWidget *child;
GdkRectangle child_area;
GList *children;
g_return_if_fail (widget != NULL);
if (GTK_WIDGET_DRAWABLE (widget))
{
panel = AWT_GTK_PANEL (widget);
awt_gtk_panel_paint (widget, area);
children = panel->children;
while (children)
{
child = children->data;
children = children->next;
if (gtk_widget_intersect (child, area, &child_area))
gtk_widget_draw (child, &child_area);
}
}
}
/* ML_3 (gtk_widget_popup, GtkWidget_val, Int_val, Int_val, Unit) */
CAMLprim value ml_gtk_widget_intersect (value w, value area)
{
GdkRectangle inter;
if (gtk_widget_intersect(GtkWidget_val(w), GdkRectangle_val(area), &inter))
return ml_some (Val_copy (inter));
return Val_unit;
}
static VALUE
rg_intersect(VALUE self, VALUE area)
{
GdkRectangle intersection;
gboolean ret = gtk_widget_intersect(_SELF(self),
(GdkRectangle*)RVAL2BOXED(area, GDK_TYPE_RECTANGLE),
&intersection);
return ret ? BOXED2RVAL(&intersection, GDK_TYPE_RECTANGLE) : Qnil;
}
static void columns_draw(GtkWidget *widget, GdkRectangle *area)
{
Columns *cols;
ColumnsChild *child;
GList *children;
GdkRectangle child_area;
g_return_if_fail(widget != NULL);
g_return_if_fail(IS_COLUMNS(widget));
if (GTK_WIDGET_DRAWABLE(widget)) {
cols = COLUMNS(widget);
for (children = cols->children; children && (child = children->data);
children = children->next) {
if (child->widget && GTK_WIDGET_DRAWABLE(child->widget) &&
gtk_widget_intersect(child->widget, area, &child_area))
gtk_widget_draw(child->widget, &child_area);
}
}
}
static gint
gtk_pizza_expose (GtkWidget *widget,
GdkEventExpose *event)
{
GtkPizza *pizza;
GtkPizzaChild *child;
GdkEventExpose child_event;
GList *children;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_PIZZA (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
pizza = GTK_PIZZA (widget);
if (event->window != pizza->bin_window)
return FALSE;
/* We handle all expose events in window.cpp now. */
if (pizza->external_expose)
return FALSE;
children = pizza->children;
while (children)
{
child = children->data;
children = children->next;
child_event = *event;
if (GTK_WIDGET_NO_WINDOW (child->widget) &&
GTK_WIDGET_DRAWABLE (child->widget) &&
gtk_widget_intersect (child->widget, &event->area, &child_event.area))
{
gtk_widget_event (child->widget, (GdkEvent*) &child_event);
}
}
return TRUE;
}
static void panels_draw(GtkWidget *widget, GdkRectangle *area)
{
Panels *panels;
GtkWidget *child;
GList *children;
GdkRectangle child_area;
g_return_if_fail(widget != NULL);
g_return_if_fail(IS_PANELS(widget));
if (GTK_WIDGET_DRAWABLE(widget)) {
panels = PANELS(widget);
for (children = panels->children;
children && (child = children->data);
children = children->next) {
if (child &&
GTK_WIDGET_DRAWABLE(child) &&
gtk_widget_intersect(child, area, &child_area))
gtk_widget_draw(child, &child_area);
}
}
}
static gboolean
gtk_check_item_expose (GtkWidget *widget,
GdkEventExpose *event)
{
GtkCheckItem *check_item;
GtkToggleButton *toggle_button;
GtkBin *bin;
GdkEventExpose child_event;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GTK_IS_CHECK_ITEM (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
check_item = GTK_CHECK_ITEM (widget);
toggle_button = GTK_TOGGLE_BUTTON (widget);
bin = GTK_BIN (widget);
if (GTK_WIDGET_DRAWABLE (widget))
{
if (toggle_button->draw_indicator)
{
gtk_check_item_paint (widget, &event->area);
child_event = *event;
if (bin->child && GTK_WIDGET_NO_WINDOW (bin->child) &&
gtk_widget_intersect (bin->child, &event->area, &child_event.area))
gtk_widget_event (bin->child, (GdkEvent*) &child_event);
}
else
{
if (GTK_WIDGET_CLASS (parent_class)->expose_event)
(* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
}
}
return FALSE;
}
