/*
 * Copyright 2005, Haiku Inc.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Axel Dörfler, axeld@pinc-software.de
 */


#include <Application.h>
#include <String.h>
#include <View.h>
#include <Window.h>

#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>


bool gAvoid = true;


class View : public BView {
        public:
                View(BRect rect);
                virtual ~View();

                virtual void AttachedToWindow();

                virtual void KeyDown(const char* bytes, int32 numBytes);
                virtual void KeyUp(const char* bytes, int32 numBytes);

                virtual void MouseDown(BPoint where);
                virtual void MouseMoved(BPoint where, uint32 transit, const BMessage* dragMessage);

                virtual void Draw(BRect updateRect);
                virtual void Pulse();

        private:
                BString fChar;
                bool    fPressed;
};


View::View(BRect rect)
        : BView(rect, "desktop view", B_FOLLOW_ALL, B_WILL_DRAW | B_PULSE_NEEDED)
{
        SetViewColor(255, 255, 255);
        SetHighColor(0, 0, 0);
        SetLowColor(ViewColor());
}


View::~View()
{
}


void
View::AttachedToWindow()
{
        MakeFocus(true);
        KeyDown("<>", 2);
        fPressed = false;
}


void
View::KeyDown(const char* bytes, int32 numBytes)
{
        fChar = bytes;
        fPressed = true;
        SetHighColor(0, 0, 0);
        Window()->SetPulseRate(200000);
        Invalidate();
}


void
View::KeyUp(const char* bytes, int32 numBytes)
{
        fPressed = false;
        Invalidate();
}


void
View::MouseDown(BPoint where)
{
        SetHighColor(0, 250, 0);
        Invalidate();
        Window()->SetPulseRate(150000);
}


void
View::MouseMoved(BPoint where, uint32 transit, const BMessage* dragMessage)
{
        if (transit == B_ENTERED_VIEW)
                SetHighColor(0, 150, 150);
        else
                SetHighColor(0, 0, 150);

        Invalidate();
        Window()->SetPulseRate(10000);
}


void
View::Draw(BRect updateRect)
{
        BFont font;
        font.SetSize(200);

        font_height fontHeight;
        font.GetHeight(&fontHeight);

        SetFont(&font);
        MovePenTo(20, ceilf(20 + fontHeight.ascent));

        DrawString(fChar.String());
}


void
View::Pulse()
{
        if (fPressed)
                return;

        rgb_color color = HighColor();
        SetHighColor(tint_color(color, B_LIGHTEN_2_TINT));
        Invalidate();

        if (color.red > 253)
                Window()->SetPulseRate(0);
}


//      #pragma mark -


class Window : public BWindow {
        public:
                Window();
                virtual ~Window();
                
                virtual bool QuitRequested();
};


Window::Window()
        : BWindow(BRect(100, 100, 400, 400), "AvoidFocus-Test",
                        B_TITLED_WINDOW, (gAvoid ? B_AVOID_FOCUS : 0) | B_ASYNCHRONOUS_CONTROLS)
{
        BView *view = new View(Bounds());
        AddChild(view);
}


Window::~Window()
{
}


bool
Window::QuitRequested()
{
        be_app->PostMessage(B_QUIT_REQUESTED);
        return true;
}


//      #pragma mark -


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

                virtual void ReadyToRun();
};


Application::Application()
        : BApplication("application/x-vnd.haiku-avoid_focus")
{
}


void
Application::ReadyToRun()
{
        Window *window = new Window();
        window->Show();
}


//      #pragma mark -


int 
main(int argc, char **argv)
{
        if (argc > 1 && (!strcmp(argv[1], "false") || (isdigit(argv[1][0]) && atoi(argv[1]) == 0)))
                gAvoid = false;

        Application app;

        app.Run();
        return 0;
}