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- //----------------------------------------------------------------------------
- // ObjectWindows - (C) Copyright 1991, 1994 by Borland International
- // Tutorial application -- step03.cpp
- //----------------------------------------------------------------------------
- #include <owl/pch.h>
- #include <owl/applicat.h>
- #include <owl/framewin.h>
- #include <owl/dc.h>
- #include <string.h>
-
- class TDrawWindow : public TWindow {
- public:
- TDrawWindow(TWindow* parent = 0);
-
- protected:
- // Override member function of TWindow
- bool CanClose();
-
- // Message response functions
- void EvLButtonDown(uint, TPoint&);
- void EvRButtonDown(uint, TPoint&);
-
- DECLARE_RESPONSE_TABLE(TDrawWindow);
- };
-
- DEFINE_RESPONSE_TABLE1(TDrawWindow, TWindow)
- EV_WM_LBUTTONDOWN,
- EV_WM_RBUTTONDOWN,
- END_RESPONSE_TABLE;
-
- TDrawWindow::TDrawWindow(TWindow* parent)
- {
- Init(parent, 0, 0);
- }
-
- bool
- TDrawWindow::CanClose()
- {
- return MessageBox("Do you want to save?", "Drawing has changed",
- MB_YESNO | MB_ICONQUESTION) == IDNO;
- }
-
- void
- TDrawWindow::EvLButtonDown(uint, TPoint& point)
- {
- char s[16];
- TClientDC dc(*this);
-
- wsprintf(s, "(%d,%d)", point.x, point.y);
- dc.TextOut(point, s, strlen(s));
- }
-
- void
- TDrawWindow::EvRButtonDown(uint, TPoint&)
- {
- Invalidate();
- }
-
- class TDrawApp : public TApplication {
- public:
- TDrawApp() : TApplication() {}
-
- void InitMainWindow()
- {
- SetMainWindow(new TFrameWindow(0, "Sample ObjectWindows Program",
- new TDrawWindow));
- }
- };
-
- int
- OwlMain(int /*argc*/, char* /*argv*/ [])
- {
- return TDrawApp().Run();
- }
-