/*
        Copyright 2007, Francois Revol.   All Rights Reserved.
        This file may be used under the terms of the Be Sample Code License.
*/

#include <OS.h>
#include <Debug.h>
#include <View.h>

#if DEBUG
//#include <File.h>
#include <Alert.h>
#include <Button.h>
#include <TextView.h>
#include <StringIO.h>
#include "DumpMessage.h"
#endif

#include "PenInputInkWindow.h"
#include "PenInputLooper.h"
#include "PenInputStrings.h"

const rgb_color kInkColor = { 100, 100, 255, 0 };

class PenInputInkView : public BView {
public:
        PenInputInkView(BRect frame, PenInputInkWindow *window);
        virtual ~PenInputInkView();
        virtual void Draw(BRect udpateRect);
private:
        PenInputInkWindow *fWindow;
};

PenInputInkView::PenInputInkView(BRect frame, PenInputInkWindow *window)
        : BView(frame, "PenInkView", B_FOLLOW_ALL, B_WILL_DRAW),
          fWindow(window)
{
        
}

PenInputInkView::~PenInputInkView()
{
}
void PenInputInkView::Draw(BRect udpateRect)
{
        /* ugh ? */
        if (!fWindow)
                return;
        
        StrokeShape(&fWindow->fStrokes);
        //DEBUG:StrokeRect(fWindow->fStrokes.Bounds());
}



PenInputInkWindow::PenInputInkWindow(BRect frame)
        : BWindow(frame, "PenInputInkWindow",
                          B_NO_BORDER_WINDOW_LOOK,
                          B_FLOATING_ALL_WINDOW_FEEL,
                          B_NOT_MOVABLE | B_NOT_CLOSABLE | B_NOT_ZOOMABLE | 
                          B_NOT_MINIMIZABLE | B_NOT_RESIZABLE | B_AVOID_FOCUS,
                          B_ALL_WORKSPACES),
          fStrokeCount(0)
{
        PRINT(("%s\n", __FUNCTION__));
        fInkView = new PenInputInkView(Bounds(), this);
        fInkView->SetViewColor(B_TRANSPARENT_32_BIT);
        fInkView->SetLowColor(B_TRANSPARENT_32_BIT);
        //fInkView->SetHighColor(0,255,0);
        fInkView->SetHighColor(kInkColor);
        fInkView->SetPenSize(2.0);
        AddChild(fInkView);
}

PenInputInkWindow::~PenInputInkWindow()
{
        PRINT(("%s\n", __FUNCTION__));
}

void PenInputInkWindow::MessageReceived(BMessage *message)
{
        BPoint where;
        switch (message->what) {
        case MSG_BEGIN_INK:
                fStrokeCount = 0;
                fStrokes.Clear();
                // fall through
        case MSG_SHOW_WIN:
                if (IsHidden())
                        Show();
                break;
        case MSG_END_INK:
        case MSG_HIDE_WIN:
                if (!IsHidden())
                        Hide();
                break;
        case B_MOUSE_MOVED:
                if (message->FindPoint("where", &where) == B_OK) {
                        fStrokes.LineTo(where);
                        fStrokeCount++;
                        //fInkView->Invalidate(fStrokes.Bounds()); // XXX
                        fInkView->Invalidate(Bounds()); // XXX
                }
                break;
        case B_MOUSE_UP:
                if (message->FindPoint("where", &where) == B_OK) {
                        fStrokes.LineTo(where);
                        fStrokeCount++;
                        //fInkView->Invalidate(fStrokes.Bounds()); // XXX
                        fInkView->Invalidate(Bounds()); // XXX
                }
                break;
        case B_MOUSE_DOWN:
                if (message->FindPoint("where", &where) == B_OK) {
                        fStrokes.MoveTo(where);
                        //fStrokeCount++;
                        //fInkView->Invalidate(fStrokes.Bounds()); // XXX
                        fInkView->Invalidate(Bounds()); // XXX
                }
                break;
        default:
                BWindow::MessageReceived(message);
                return;
        }
}