Add a test for #13664

Interaction between ConstrainClippingRegion and transforms leads to
button frames and background not being drawn at all.

Also shows another problem with rounded corner buttons when mixed with
transforms.

src/tests/kits/interface/ControlLookTest.cpp

@@ -0,0 +1,207 @@
+/*
+ * Copyright 2017, Adrien Destugues, [email protected]
+ * Distributed under terms of the MIT license.
+ */
+
+
+#include <Application.h>
+#include <ControlLook.h>
+#include <View.h>
+#include <Window.h>
+
+
+class View : public BView {
+	public:
+						View(BRect r);
+				void	Draw(BRect update);
+				void	DrawButtonFrames(BRect r, BRect update);
+
+};
+
+
+View::View(BRect r)
+	: BView(r, "test", B_FOLLOW_ALL_SIDES, B_WILL_DRAW | B_FULL_UPDATE_ON_RESIZE)
+{
+	SetLowColor(ui_color(B_PANEL_BACKGROUND_COLOR));
+	SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
+}
+
+
+void
+View::Draw(BRect update)
+{
+	// - DrawButtonFrame (rounded + square)
+	// - DrawMenuFieldFrame + Background
+	// - DrawActiveTab
+	// - DrawSliderBar
+	
+	MovePenTo(20, 20);
+	DrawString("TEST");
+
+	// Reference line
+	BRect r(20, 30, 80, 60);
+	DrawButtonFrames(r, update);
+
+	PushState();
+
+	// Positive translation
+	TranslateBy(0, 35);
+	DrawButtonFrames(r, update);
+
+	// Null, then negative translations
+	for (int i = 0; i < 10; i++) {
+		r.OffsetBy(0, 70);
+		TranslateBy(0, -35);
+		DrawButtonFrames(r, update);
+	}
+
+	PopState();
+	r = BRect(20, 30, 80, 60);
+
+	// Scale
+	PushState();
+	ScaleBy(2, 2);
+	TranslateBy(350 / 2, 0);
+	DrawButtonFrames(r, update);
+
+	PopState();
+
+	// Rotation
+	TranslateBy(420, 110);
+	RotateBy(M_PI / 4);
+	DrawButtonFrames(r, update);
+}
+
+
+void
+View::DrawButtonFrames(BRect r, BRect update)
+{
+	BRect r1 = r;
+	be_control_look->DrawButtonFrame(this, r1, update,
+		ui_color(B_PANEL_BACKGROUND_COLOR),
+		ui_color(B_PANEL_BACKGROUND_COLOR));
+	be_control_look->DrawButtonBackground(this, r1, update,
+		ui_color(B_PANEL_BACKGROUND_COLOR));
+
+	MovePenTo(r1.left + 5, r1.top + 15);
+	DrawString("BUTTON");
+
+	r.OffsetBy(70, 0);
+	r1 = r;
+	be_control_look->DrawButtonFrame(this, r1, update,
+		ui_color(B_PANEL_BACKGROUND_COLOR),
+		ui_color(B_PANEL_BACKGROUND_COLOR), BControlLook::B_DISABLED);
+	be_control_look->DrawButtonBackground(this, r1, update,
+		ui_color(B_PANEL_BACKGROUND_COLOR), BControlLook::B_DISABLED);
+
+	MovePenTo(r1.left + 5, r1.top + 15);
+	DrawString("Disabled");
+
+	r.OffsetBy(70, 0);
+	r1 = r;
+	be_control_look->DrawButtonFrame(this, r1, update,
+		ui_color(B_PANEL_BACKGROUND_COLOR),
+		ui_color(B_PANEL_BACKGROUND_COLOR), BControlLook::B_ACTIVATED);
+	be_control_look->DrawButtonBackground(this, r1, update,
+		ui_color(B_PANEL_BACKGROUND_COLOR), BControlLook::B_ACTIVATED);
+
+	MovePenTo(r1.left + 5, r1.top + 15);
+	DrawString("Active");
+
+	r.OffsetBy(70, 0);
+	r1 = r;
+	be_control_look->DrawButtonFrame(this, r1, update,
+		ui_color(B_PANEL_BACKGROUND_COLOR),
+		ui_color(B_PANEL_BACKGROUND_COLOR),
+		BControlLook::B_DISABLED | BControlLook:: B_ACTIVATED);
+	be_control_look->DrawButtonBackground(this, r1, update,
+		ui_color(B_PANEL_BACKGROUND_COLOR),
+		BControlLook::B_DISABLED | BControlLook::B_ACTIVATED);
+
+	MovePenTo(r1.left + 5, r1.top + 15);
+	DrawString("Act+Disa");
+
+	r.OffsetBy(70, 0);
+	r1 = r;
+	be_control_look->DrawButtonFrame(this, r1, update, 8,
+		ui_color(B_PANEL_BACKGROUND_COLOR),
+		ui_color(B_PANEL_BACKGROUND_COLOR), 0);
+	be_control_look->DrawButtonBackground(this, r1, update, 8,
+		ui_color(B_PANEL_BACKGROUND_COLOR), 0);
+
+	MovePenTo(r1.left + 5, r1.top + 15);
+	DrawString("Rounded");
+
+	/* TODO test various border sets
+	 * TODO test with multiple radius on each corner (including 0 on some)
+	 */
+}
+
+
+class Window : public BWindow {
+	public:
+						Window();
+
+		virtual	bool	QuitRequested();
+};
+
+
+Window::Window()
+	: BWindow(BRect(50, 100, 1150, 500), "ControlLook-Test",
+			B_TITLED_WINDOW, B_ASYNCHRONOUS_CONTROLS)
+{
+	AddChild(new View(Bounds()));
+
+	// TODO Add transformed variations:
+	// - Normal
+	// - Translated
+	// - Scaled
+	// - Rotated
+}
+
+
+bool
+Window::QuitRequested()
+{
+	be_app->PostMessage(B_QUIT_REQUESTED);
+	return true;
+}
+
+
+//	#pragma mark -
+
+
+class Application : public BApplication {
+	public:
+		Application();
+
+		virtual void ReadyToRun(void);
+};
+
+
+Application::Application()
+	: BApplication("application/x-vnd.haiku-test-controllook")
+{
+}
+
+
+void
+Application::ReadyToRun(void)
+{
+	BWindow *window = new Window();
+	window->Show();
+}
+
+
+//	#pragma mark -
+
+
+int 
+main(int argc, char **argv)
+{
+	Application app;
+
+	app.Run();
+	return 0;
+}
+

src/tests/kits/interface/Jamfile

@@ -91,6 +91,11 @@ SimpleTest CheckBoxTest :
 	: be [ TargetLibsupc++ ]
 	;
 
+SimpleTest ControlLookTest :
+	ControlLookTest.cpp
+	: be [ TargetLibsupc++ ]
+	;
+
 SimpleTest ListViewTest :
 	ListViewTest.cpp
 	: be [ TargetLibsupc++ ]