Dialog.h

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#pragma once
 
#include "Common.h"
#include "GridPanel.h"
 
#define DIALOG_OK       1
#define DIALOG_CANCEL   0
 
// IMPORTANT: The dialog instance must be declared in local scope if the dialog will be displayed again and again. do
// NOT declare the dialog instance as instance variable of a parent class
/*
    MyDialog dlg; // CORRECT
    dlg.setVisible(thisHwnd);
 
    class ParentClass {
        MyDialog dlg; // INCORRECT
        ...
    }
*/

class Dialog: public Component
{
    WinHandle _hWndParent;       
    WinHandle _hWndDlg;          
    GridPanel _contentPane; 
    WinHandle _hPanel;           
    wstring _title;         
    long _width, _height;   
 
    long _exitCode;         
 
 
protected:

    BOOL getCreateWindowOptions(wstring& title, UINT& widownStyles, wstring& wndClassName, BOOL& isCustomWndProc);

    void windowCreated();
 
public:
    Dialog();

    virtual ~Dialog();

    void setTitle(const wstring& title);

    wstring getTitle();

    void setSize(long width, long height);

    void getSize(long& width, long& height);

    BOOL setVisible(Component *parent);

    void close(long exitCode);

    void setExitCode(long exitCode);

    long getExitCode();

    GridPanel* getContentPane();

    WinHandle getContentPaneNativeHandle();

    void setDialogNativeHandle(const wstring& source, WinHandle hDlg);

    void onWindowMoved();
 
public: // Overridables

    virtual BOOL windowOpening();

    virtual BOOL windowOpened();

    virtual BOOL okToClose();

    virtual void windowClosed();
};