void Ctrl::PopUp(Ctrl *owner, bool savebits, bool activate, bool dropshadow, bool topmost)
{
popup = false;
Ctrl *q = owner ? owner->GetTopCtrl() : GetActiveCtrl();
PopUpHWND(q ? q->GetHWND() : NULL, savebits, activate, dropshadow, topmost);
if(top) top->owner = owner;
}
void Ctrl::WndUpdate(const Rect& r)
{
GuiLock __;
LLOG("WndUpdate " << UPP::Name(this));
Ctrl *top = GetTopCtrl();
if(top->IsOpen()) {
HWND hwnd = top->GetHWND();
HDC hdc = GetDC(hwnd);
HRGN hrgn = CreateRectRgn(0, 0, 0, 0);
if(GetUpdateRgn(hwnd, hrgn, FALSE) != NULLREGION) {
SelectClipRgn(hdc, hrgn);
SystemDraw draw(hdc);
bool hcr = focusCtrl && focusCtrl->GetTopCtrl() == top &&
caretRect.Intersects(r + top->GetRect().TopLeft());
if(hcr) ::HideCaret(hwnd);
draw.Clip(r);
top->UpdateArea(draw, r);
ValidateRect(hwnd, r);
SelectClipRgn(hdc, NULL);
if(hcr) ::ShowCaret(hwnd);
}
ReleaseDC(hwnd, hdc);
DeleteObject(hrgn);
}
}
ViewDraw::ViewDraw(Ctrl *ctrl)
{
EnterGuiMutex();
Ctrl *top = ctrl->GetTopCtrl();
hwnd = top->GetHWND();
ASSERT(hwnd);
Attach(GetDC(hwnd));
Clipoff(ctrl->GetScreenView() - top->GetScreenRect().TopLeft());
}