/*
* Closes the widget
*/
int SDL_WidgetClose(SDL_Widget *Widget)
{
SDL_WidgetList *current_widget,*prev;
current_widget=SDL_WindowGetWidgetList();
prev=NULL;
while(current_widget)
{
if(current_widget->Widget == Widget)
{
prev->Next = current_widget->Next;
return 1;
}
prev=current_widget;
current_widget=current_widget->Next;
}
return 0;
}
void clearWin()
{
// This function should remove and free all widgets on the top window.
// should find a way to judge the widget type
SDL_WidgetList *temp;
temp = SDL_WindowGetWidgetList();
while(temp)
{
/* tangg temporarily modified */
if ( temp->Widget != button_leave
&& temp->Widget != ((SDL_Button *)button_leave)->Label
&& temp->Widget != line_style1)
SDL_WidgetClose(temp->Widget);
temp = temp->Next;
}
refreshWin();
clearGlobals();
}
/* return 0 if no windows are available */
int SDL_WindowManagerEvent(SDL_Event *event)
{
SDL_WidgetList* WidgetList;
SDL_Widget* focus_widget=NULL;
SDL_Window *window;
SDL_WindowManagerWindowEvent(event);
window = SDL_WindowGetTopVisibleWindow();
if(SDL_WindowAvailable() == 0)
return 0;
if(window && event->type >= SDL_MOUSEMOTION)
{
event->motion.xrel = event->motion.x;
event->motion.yrel = event->motion.y;
event->motion.x -= window->Widget.Rect.x;
event->motion.y -= window->Widget.Rect.y;
}
focus_widget = SDL_WindowGetFocusWidget();
if(event->type == SDL_MOUSEBUTTONDOWN &&
focus_widget != NULL &&
SDL_WidgetIsInside(focus_widget,event->motion.x,event->motion.y))
{
SDL_WidgetEvent(focus_widget,event);
return 1;
}
if(event->type == SDL_MOUSEBUTTONDOWN)
{
SDL_WidgetList* focus_widget = SDL_WindowGetWidgetList();
while(focus_widget)
{
SDL_Widget *w=(SDL_Widget*)focus_widget->Widget;
if(SDL_WidgetIsInside(w,event->motion.x,event->motion.y))
{
if(focus_widget->Widget->flags & WIDGET_FOCUSABLE)
{
SDL_WindowSetFocusWidget(focus_widget->Widget);
SDL_WidgetRedrawEvent(focus_widget->Widget);
}
/* Bug found when there are overlapping widgets the focus is set to the wrong widget */
}
focus_widget=focus_widget->Next;
}
}
WidgetList = SDL_WindowGetWidgetList();
while(WidgetList)
{
/* ATTEN: here should be the old value of the WidgetList, if the win->WidgetList value changed in the following
* SDL_WidgetEvent() function, then this pointer here could not update immediately.
*/
SDL_Widget *Widget=(SDL_Widget*)WidgetList->Widget;
/* tangg added */
if(Widget && (Widget->flags & WIDGET_VISIBLE))
{
SDL_WidgetEvent(Widget,event);
}
WidgetList=WidgetList->Next;
}
/* If the widgets don't handle the event pass
the event to the event handler of the window */
{
SDL_Window *Win;
Win=SDL_WindowGetTopVisibleWindow();
if(Win && Win->EventHandler)
{
Win->EventHandler(*event);
}
}
return 1;
}
int SDL_WindowManagerWindowEvent(SDL_Event *event)
{
SDL_WindowListElem *CurrentWindow = (SDL_WindowListElem*)WindowList.last;
SDL_WindowListElem *PreviousWindow = NULL;
SDL_WindowListElem *StoredPreviousWindow = NULL;
SDL_WindowListElem *StoredWindow = NULL;
switch(event->type)
{
case SDL_KEYDOWN:
switch( event->key.keysym.sym )
{
case SDLK_TAB:
{
SDL_Widget *FocusWidget;
SDL_WidgetList *WidgetList;
SDL_Widget *FirstFocusWidget=NULL;
int store=0;
WidgetList = SDL_WindowGetWidgetList();
FocusWidget = SDL_WindowGetFocusWidget();
while(WidgetList)
{
if(FocusWidget == NULL)
{
if(WidgetList->Widget->flags & WIDGET_FOCUSABLE)
{
SDL_WindowSetFocusWidget(WidgetList->Widget);
break;
}
}
else
{
if((WidgetList->Widget->flags & WIDGET_FOCUSABLE) && FirstFocusWidget == NULL)
FirstFocusWidget=WidgetList->Widget;
if(store && (WidgetList->Widget->flags & WIDGET_FOCUSABLE))
{
SDL_WindowSetFocusWidget(WidgetList->Widget);
break;
}
if(WidgetList->Widget == FocusWidget)
store=1;
}
WidgetList = WidgetList->Next;
}
if(WidgetList == NULL)
{
if(FirstFocusWidget)
SDL_WindowSetFocusWidget(FirstFocusWidget);
}
SDL_WidgetRedrawEvent(FocusWidget);
}
break;
default:
break;
}
break;
}
if(event->type == SDL_MOUSEBUTTONDOWN && CurrentWindow)
{
while(CurrentWindow->ll.next)
{
if(SDL_WidgetIsInside(&CurrentWindow->Window->Widget,event->motion.x,event->motion.y))
{
/* Remember the top most visible window which is clicked on */
StoredWindow = CurrentWindow;
StoredPreviousWindow = PreviousWindow;
}
PreviousWindow = CurrentWindow;
CurrentWindow = (SDL_WindowListElem*)CurrentWindow->ll.next;
}
if(StoredWindow)
{
/* If there is a window click, make sure it becomes the top visible window */
CurrentWindow->ll.next = &StoredWindow->ll;
if(StoredPreviousWindow == NULL)
WindowList.first = StoredWindow->ll.next;
else
StoredPreviousWindow->ll.next = StoredWindow->ll.next;
StoredWindow->ll.next = NULL;
return 1;
}
}
return 0;
}
