void WidgetList::SetFocusOnPreviousWidget()
{
// No widget => exit
if (widget_list.size() == 0) {
selected_widget = NULL;
return;
}
Widget* w = GetPreviousWidget(selected_widget, true);
SetFocusOn(w, true);
}
void WidgetList::SetFocusOnNextWidget()
{
// No widget => exit
if (widget_list.size() == 0) {
selected_widget = NULL;
return;
}
MSG_DBG_RTTI("widgetlist", "before %s:%p",
typeid(selected_widget).name(), selected_widget);
Widget* w = GetNextWidget(selected_widget, true);
SetFocusOn(w, true);
}
Widget* WidgetList::ClickUp(const Point2i &mousePosition, uint button)
{
for (wit w=widget_list.begin(); w != widget_list.end(); w++) {
if ((*w)->Contains(mousePosition)) {
Widget* child = (*w)->ClickUp(mousePosition,button);
if (child)
SetFocusOn(child);
return child;
}
}
return NULL;
}
Widget * ScrollBox::ClickUp(const Point2i & mousePosition, uint button)
{
ScrollMode old_mode = scroll_mode;
start_drag_offset = NO_DRAG;
scroll_mode = SCROLL_MODE_NONE;
if (!vbox->GetFirstWidget()) {
return NULL;
}
// Handle the click up as a widget click only if we weren't dragging
// If we click up close to where we clicked down, it will however register
// as a click and not a scrolling
if (vbox->Contains(mousePosition) &&
(start_drag_y==NO_DRAG || abs(start_drag_y-mousePosition.y)<2)) {
Widget *w = vbox->ClickUp(mousePosition, button);
if (w) {
SetFocusOn(w);
return w;
}
// The click was not handled, let's try using it for scrolling
}
if (HasScrollBar()) {
bool is_click = Mouse::IS_CLICK_BUTTON(button);
int max_offset = GetMaxOffset();
int new_offset = offset;
// The event involves the scrollbar or its buttons
if ((button == SDL_BUTTON_WHEELDOWN && Contains(mousePosition)) ||
(is_click && m_down->Contains(mousePosition))) {
// bottom button
new_offset = offset+SCROLL_SPEED;
} else if ((button == SDL_BUTTON_WHEELUP && Contains(mousePosition)) ||
(is_click && m_up->Contains(mousePosition))) {
// top button
new_offset = offset-SCROLL_SPEED;
} else if (is_click) {
// Was it released after a drag operation?
if (old_mode!=SCROLL_MODE_NONE /*&& start_drag_y != mousePosition.y*/)
return this;
const Rectanglei& scroll_track = GetScrollTrack();
if (scroll_track.Contains(mousePosition)) {
// Set this as new scroll thumb position
int height = scroll_track.GetSizeY();
new_offset = ((mousePosition.y - scroll_track.GetPositionY()) * (size.y+max_offset)
+ (height/2)) / scroll_track.GetSizeY();
}
}
// Clip new offset to correct value
if (new_offset > max_offset)
new_offset = max_offset;
if (new_offset < 0)
new_offset = 0;
if (new_offset != offset) {
offset = new_offset;
Pack();
NeedRedrawing();
}
return this;
}
return NULL;
}