widget_t*
widget_hit_test(widget_t* root, point_t p)
{
widget_t* w;
for (w = root->first_child; w != NULL; w = w->next_sibling) {
point_t translated_p = {
.x = p.x - root->rect.x,
.y = p.y - root->rect.y,
};
widget_t* w_hit = widget_hit_test(w, translated_p);
if (w_hit != NULL)
return w_hit;
}
if (widget_is_visible(root) && rect_inside(root->rect, p))
return root;
return NULL;
}
point_t
widget_rel_pos(widget_t* w, point_t abs_pos)
{
widget_t* parent;
point_t rel_pos = abs_pos;
for (parent = w->parent; parent != NULL; parent = parent->parent) {
rel_pos.x -= parent->rect.x;
rel_pos.y -= parent->rect.y;
}
return rel_pos;
}
static void
widget_layout_predicate(widget_t* w, widget_traversal_event_t event, void* data)
{
(void)data;
if (event == WIDGET_TRAVERSAL_BEFORE_CHILDREN) {
if (w->needs_layout && widget_is_visible(w)) {
CALL_WC(w, on_layout)(w);
w->needs_layout = false;
}
}
}
void horizontal_layout_on_size_change(Container* _c)
{
Rect r = ((Widget*)_c)->rect;
int visible_widgets=0;
for(int i =0;i<_c->child_widget_array_size;i++)
{
if(widget_is_visible((Widget*)_c))
visible_widgets++;
}
if(!visible_widgets)
return;
int width_of_child = r.width/visible_widgets;
int height_of_child = r.height;
int x_child=0,y_child=0;
for(int i=0;i<_c->child_widget_array_size;i++)
{
if(widget_is_visible((Widget*)_c))
{
x_child = i*width_of_child;
MoveWindow(((Widget*)_c)->hwnd,x_child,y_child,width_of_child,height_of_child,TRUE);
}
}
}
static void
widget_paint_predicate(widget_t* w, widget_traversal_event_t event, void* data)
{
(void)data;
if (event == WIDGET_TRAVERSAL_BEFORE_CHILDREN) {
gfx_ctx_push();
if (w->bg_color != TRANSPARENT)
gfx_set_bg_color(w->bg_color);
if (w->needs_paint && widget_is_visible(w)) {
paint_event_t event = {
.id = EVT_PAINT,
.widget = w,
};
gfx_clear_rect(w->rect);
CALL_WC(w, on_paint)(&event);
w->needs_paint = false;
}
bool GroupDialog_isShown()
{
return widget_is_visible(GTK_WIDGET(g_GroupDlg.m_window));
}
