Small UI fixes

src/kekengine/cpp/common/defaults.cpp

@@ -77,7 +77,7 @@ static void doUIMouseDrag(double x, double y) {
 		int deltaY = (int) y - mouseDownPosition.y;
 		if(deltaX * deltaX + deltaY * deltaY >= KEK_UI_MIN_DRAG_DISTANCE_SQUARED) {
 			// Initiate drag
-			UIElement *draggedElement = UI::findElementAt(mousePosition);
+			UIElement *draggedElement = UI::findElementAt(mouseDownPosition);
 
 			if(draggedElement) {
 				IntPoint2 childPos = draggedElement->getScreenPosition();

src/kekengine/cpp/ui/uielements.cpp

@@ -337,8 +337,9 @@ UIWindowTitleBar::UIWindowTitleBar(UIValue height)
 	  dragDownPos(0, 0) {
 	this->color = Colors::GRAY;
 	this->draggable = true;
+	this->enableClipping = true;
 
-	text = new TextElement(x, uiPh(0.5));
+	text = new TextElement(uiPx(5), uiPh(0.5));
 	text->setText("Window title");
 	text->textMode = TextMode::ORIGIN;
 	text->origin = Origin::LEFT_CENTER;

src/kekengine/include/color.h

@@ -29,7 +29,7 @@ struct Color {
 		return Color(r / factor, g / factor, b / factor, a);
 	}
 
-	constexpr bool operator==(const Color &other) {
+	constexpr bool operator==(const Color &other) const {
 		return r == other.r && g == other.g && b == other.g;
 	}
 };

src/kekengine/include/uielements.h

@@ -7,7 +7,7 @@
 namespace kek {
 
 enum class TextMode {
-	// Draw with y as baseline, disables vertical offset from the origin position specified using setOrigin()
+	// Draw with y as baseline, disables vertical offset from the origin position
 	BASELINE,
 	// Draw from the set origin
 	ORIGIN

src/kekgame/cpp/kekgame.cpp

@@ -173,6 +173,7 @@ int main(int argc, char **argv) {
 	rect2->addChild(text);
 
 	UIWindow *window = new UIWindow(uiPx(0), uiPx(0), uiPx(720), uiPx(480));
+	window->titleBar->text->setText("This is a really long window title to test whether the text will overflow or not");
 	UI::addElement(window);
 
 	if(Engine::start() != KEK_SUCCESS) return 1;