#include <Application.h>
#include <Bitmap.h>
#include <Region.h>
#include <View.h>
#include <Window.h>
#include <stdio.h>


class ClippingView : public BView {
public:
                                                        ClippingView(BRect frame);

virtual void                            Draw(BRect updateRect);
virtual void                            MouseDown(BPoint where);
virtual void                            KeyDown(const char *bytes, int32 numBytes);

private:
                BWindow *                       fFloatingWindow;
};


class ClippingWindow : public BWindow {
public:
                                                        ClippingWindow(BRect frame);

private:
                ClippingView *          fView;
};


class ClippingApp : public BApplication {
public:
                                                        ClippingApp();

private:
                ClippingWindow *        fWindow;
};


ClippingApp::ClippingApp()
        :       BApplication("application/x.vnd-Haiku.ClippingPlusRedraw")
{
        fWindow = new ClippingWindow(BRect(200, 200, 500, 400));
        fWindow->Show();
}


ClippingWindow::ClippingWindow(BRect frame)
        :       BWindow(frame, "Window", B_TITLED_WINDOW, B_QUIT_ON_WINDOW_CLOSE)
{
        fView = new ClippingView(frame.OffsetToSelf(0, 0));
        AddChild(fView);
        fView->MakeFocus();
}


ClippingView::ClippingView(BRect frame)
        :       BView(frame, "View", B_FOLLOW_ALL, B_WILL_DRAW),
                fFloatingWindow(NULL)
{
}


void
ClippingView::Draw(BRect updateRect)
{
        printf("got draw with update rect: %f, %f, %f, %f\n",
                updateRect.left, updateRect.top, updateRect.right, updateRect.bottom);

        SetHighColor(0, 255, 0);
        FillRect(Bounds(), B_SOLID_HIGH);
}


void
ClippingView::MouseDown(BPoint where)
{
        if (fFloatingWindow == NULL) {
                BPoint leftTop = ConvertToScreen(BPoint(50, 50));
                fFloatingWindow = new BWindow(BRect(leftTop, leftTop + BPoint(100, 50)),
                        "Floating", B_FLOATING_WINDOW, B_AVOID_FOCUS);
                fFloatingWindow->Show();
        } else {
                fFloatingWindow->Lock();
                fFloatingWindow->Quit();
                fFloatingWindow = NULL;
        }
}


void
ClippingView::KeyDown(const char *bytes, int32 numBytes)
{
        SetHighColor(0, 0, 255);
        FillRect(Bounds(), B_SOLID_HIGH);

        BRegion region(BRect(200, 100, 250, 150));
        ConstrainClippingRegion(&region);

        SetHighColor(255, 0, 0);
        FillRect(Bounds(), B_SOLID_HIGH);
}


int
main(int argc, const char *argv[])
{
        ClippingApp *app = new ClippingApp();
        app->Run();
        delete app;
        return 0;
}