bool UIManager::HandleMouseInteraction(int x, int y, int button, bool pressed, int mods) {
if (this->OnBeforeMouseInteracton(x, y, button, pressed, mods)) return true;
if (this->ShowCursor) {
if (pressed) {
this->HoldPanel = null;
for (int i = (int)this->Children.size() - 1; i > -1; i--) {
UIBase* Pan = this->Children[i];
if (this->HoldPanel != null) break;
if (Pan->ShouldRender == false) continue;
if (Pan->PassTrough) continue;
if (Pan->X <= x && Pan->Y <= y && (Pan->X + Pan->W) > x && (Pan->Y + Pan->H) > y) {
if (!Pan->CanClick) continue;
this->_CheckClick(Pan, x - Pan->X, y - Pan->Y);
}
}
if (this->HoldPanel != null) {
if (this->FocusPanel != this->HoldPanel) {
if (this->FocusPanel != null) {
UIBase* tmp = this->FocusPanel;
this->FocusPanel = this->HoldPanel; // override already so that it knows.
tmp->OnFocus(false);
}
this->HoldPanel->SetFocus();
}
Vector2 apos = this->HoldPanel->GetAbsoluteLocation();
this->HoldPanel->OnPress(x - (int)apos.X, y - (int)apos.Y, button);
return true;
} else {
if (this->FocusPanel != null) {
UIBase* tmp = this->FocusPanel;
this->FocusPanel = null;
tmp->OnFocus(false);
}
}
} else {
if (this->HoldPanel != null) {
UIBase* tmp = this->HoldPanel;
this->HoldPanel = null;
Vector2 apos = tmp->GetAbsoluteLocation();
tmp->OnRelease(x - (int)apos.X, y - (int)apos.Y, button);
if (x >= apos.X && x <= apos.X + tmp->W && y >= apos.Y && y <= apos.Y + tmp->H) {
tmp->OnClick(x - (int)apos.X, y - (int)apos.Y, button);
}
}
}
}
return false;
}
void UIBase::_InternalDraw(Render& drawer) {
if (!this->ShouldRender) return;
Vector2 oldoffset = drawer.GetDrawingOffset();
Vector2 pos = this->GetAbsoluteLocation();
drawer.SetDrawingOffset((int)pos.X, (int)pos.Y);
drawer.EnableClipping((int)pos.X, (int)pos.Y, this->W, this->H);
bool recorderstarted = false;
if (this->ShouldRedraw) {
drawer.RecorderStart();
recorderstarted = true;
}
if (!this->Frozen && (this->ShouldRedraw || this->AlwaysRedraw)) {
this->OnDraw(drawer);
} else if(this->Buffer != nullptr) {
drawer.Buffer(this->Buffer);
}
if (recorderstarted) {
if (this->Buffer != nullptr) delete this->Buffer;
this->Buffer = drawer.RecorderStop();
this->ShouldRedraw = false;
}
for (unsigned int i = 0; i < this->Children.size(); i++) {
UIBase* p = this->Children[i];
Vector2 pos2 = p->GetAbsoluteLocation();
if (pos2.X + p->W < drawer._ClippingPos.X) continue;
if (pos2.Y + p->H < drawer._ClippingPos.Y) continue;
if (pos2.X > drawer._ClippingPos.X + drawer._ClippingSize.X) continue;
if (pos2.Y > drawer._ClippingPos.Y + drawer._ClippingSize.Y) continue;
p->_InternalDraw(drawer);
}
drawer.SetDrawingOffset((int)oldoffset.X, (int)oldoffset.Y);
drawer.DisableClipping();
}