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ColorTargetModalDialog.h

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//345678901234567890123456789012345678901234567890123456789012345678901234567890
// NOTE: Should use oglSys.GetTopOGLWND() rather than walking the parents.
//       This way it would also work correctly when C++ embedded in C components.
// Author: Richard van Balen, for University of Amsterdam

#ifndef OglGui_ColorTargetModalDialog_h
#define OglGui_ColorTargetModalDialog_h

#ifndef OglGui_ColorDialog_h
#include "OglGui/ColorDialog.h"
#endif

#ifndef OglGui_TitledWindow_h
#include "OglGui/TitledWindow.h"
#endif

namespace OglGui {

class ColorTargetModalDialog : ButtonListener
{
public:
    // which : 0=background, 1=borderbackground, 2=foreground
    ColorTargetModalDialog(Window* parent, Window* target, int what,
                           ULONG startCol=oglBLACK,int w=600, int h=300)
    {
        Window* topWnd = parent;
        while(parent = parent->GetParent())
            topWnd = parent;
        int tW = topWnd->W();
        int tH = topWnd->H();

        mTargetWnd = target;
        mWhat      = what;

        mModalWnd  = new Window(topWnd,0,0,tW,tH);
        mModalWnd->ConnectTo(topWnd);

        TitledWindow* tWnd =
            new TitledWindow(mModalWnd,tW/2-w/2,tH/2-h/2,w,h,"Choose Color");
        mColorDialog =
            new ColorDialog(tWnd,4,4,200,200); // Note dims here unimportant
        mColorDialog->Color(startCol);
        tWnd->SetContentPane(mColorDialog);
        tWnd->SetBorderBackground(oglGUI_BG);

        mColorDialog->OkBtn()->SetButtonListener(this);
        mColorDialog->CancelBtn()->SetButtonListener(this);
    }

    virtual void ButtonSelectionEvent(Button *src, void* userData)
    {
        if (src == mColorDialog->OkBtn())
        {
            ULONG col = mColorDialog->ColorWnd()->GetBorderBackground();
            if (mWhat==0)
                mTargetWnd->SetBackground(col);
            if (mWhat==1)
                mTargetWnd->SetBorderBackground(col);
            if (mWhat==2)
                mTargetWnd->SetForeground(col);
            mTargetWnd->UpdateScene();
        }
        delete mModalWnd;
        delete this;
    }
private:
    ColorDialog*    mColorDialog;
    Window*         mTargetWnd;
    Window*         mModalWnd;
    int             mWhat;
};

void ColorTargetModalDialogFunc(Window* parent, Window* target, int what,
                                ULONG startCol=oglBLACK,int w=600, int h=300)
{
    new ColorTargetModalDialog(parent,target,what,startCol,w,h);
}

} // namespace OglGui

#endif

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