void WMDestroyTabViewItem(WMTabViewItem * item)
{
if (item->label)
wfree(item->label);
if (item->view)
W_DestroyView(item->view);
wfree(item);
}
WMScrollView*
WMCreateScrollView(WMWidget *parent)
{
ScrollView *sPtr;
sPtr = wmalloc(sizeof(ScrollView));
memset(sPtr, 0, sizeof(ScrollView));
sPtr->widgetClass = WC_ScrollView;
sPtr->view = W_CreateView(W_VIEW(parent));
if (!sPtr->view) {
wfree(sPtr);
return NULL;
}
sPtr->viewport = W_CreateView(sPtr->view);
if (!sPtr->viewport) {
W_DestroyView(sPtr->view);
wfree(sPtr);
return NULL;
}
sPtr->view->self = sPtr;
sPtr->viewport->self = sPtr;
sPtr->view->delegate = &_ScrollViewViewDelegate;
sPtr->viewport->flags.mapWhenRealized = 1;
WMCreateEventHandler(sPtr->view, StructureNotifyMask|ExposureMask,
handleEvents, sPtr);
WMCreateEventHandler(sPtr->viewport, SubstructureNotifyMask,
handleViewportEvents, sPtr);
sPtr->lineScroll = 4;
sPtr->pageScroll = 0;
return sPtr;
}
static void destroyView(W_View * view)
{
W_View *ptr;
if (view->flags.alreadyDead)
return;
view->flags.alreadyDead = 1;
/* delete the balloon text for the view, if there's any */
WMSetBalloonTextForView(NULL, view);
if (view->nextFocusChain)
view->nextFocusChain->prevFocusChain = view->prevFocusChain;
if (view->prevFocusChain)
view->prevFocusChain->nextFocusChain = view->nextFocusChain;
/* Do not leave focus in a inexisting control */
if (W_FocusedViewOfToplevel(W_TopLevelOfView(view)) == view)
W_SetFocusOfTopLevel(W_TopLevelOfView(view), NULL);
if (view->flags.topLevel) {
W_FocusInfo *info = view->screen->focusInfo;
/* remove focus information associated to this toplevel */
if (info) {
if (info->toplevel == view) {
view->screen->focusInfo = info->next;
wfree(info);
} else {
while (info->next) {
if (info->next->toplevel == view)
break;
info = info->next;
}
if (info->next) {
W_FocusInfo *next = info->next->next;
wfree(info->next);
info->next = next;
}
/* else the toplevel did not have any focused subview */
}
}
}
/* destroy children recursively */
while (view->childrenList != NULL) {
ptr = view->childrenList;
ptr->flags.parentDying = 1;
W_DestroyView(ptr);
if (ptr == view->childrenList) {
view->childrenList = ptr->nextSister;
ptr->parent = NULL;
}
}
W_CallDestroyHandlers(view);
if (view->flags.realized) {
XDeleteContext(view->screen->display, view->window, ViewContext);
/* if parent is being destroyed, it will die naturaly */
if (!view->flags.parentDying || view->flags.topLevel)
XDestroyWindow(view->screen->display, view->window);
}
/* remove self from parent's children list */
unparentView(view);
/* the array has a wfree() destructor that will be called automatically */
WMFreeArray(view->eventHandlers);
view->eventHandlers = NULL;
WMRemoveNotificationObserver(view);
W_FreeViewXdndPart(view);
if (view->backColor)
WMReleaseColor(view->backColor);
wfree(view);
}
void WMDestroyWidget(WMWidget * widget)
{
W_UnmapView(W_VIEW(widget));
W_DestroyView(W_VIEW(widget));
}