// initially as the main frame, and allows wxWindows frames to be
// created subsequently:
//
-// (1) Make MyApp::OnInit return NULL, not create a window.
+// (1) Make MyApp::OnInit return FALSE, not creating a window.
// (2) Restore the MFC code to create a window in InitInstance, and remove
// creation of CDummyWindow.
//
-// IMPORTANT NOTE: to compile this sample, you must first edit
-// wx/src/msw/wx_main.cc, set NOWINMAIN to 1, and remake wxWindows
-// (it only needs to recompile wx_main.cc).
-// This eliminates the duplicate WinMain function which MFC implements.
+// IMPORTANT NOTES:
+//
+// (1) You need to set wxUSE_MFC to 1 in include/wx/msw/setup.h, which switches
+// off some debugging features and also removes the windows.h inclusion
+// in wxprec.h (MFC headers don't like this to have been included previously).
+// Then recompile wxWindows and this sample.
+//
+// (2) 10/3/2000, wxWindows 2.1.14: unfortunately there is an assert when
+// the sample tries to create an MFC window. Any suggestions welcome. It may be
+// a problem with conflicting project settings. Ignoring the assert (several times)
+// allows the sample to continue. In release mode the asserts don't happen.
+//
+// (3) I can't get the sample to link using a static MFC library, only the DLL
+// version. Perhaps someone else is a wizard at working out the required settings
+// in the wxWin library and the sample; then debugging the assert problem may be
+// easier.
+//
+// (4) Compiling wxWindows in DLL mode currently includes windows.h, so you must only
+// try linking wxWindows statically.
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#include "wx/wx.h"
+#if defined(_WINDOWS_) || !wxUSE_MFC
+#error Sorry, you need to edit include/wx/msw/setup.h, set wxUSE_MFC to 1, and recompile.
+#endif
+
#ifdef new
#undef new
#endif
wxFrame *CreateFrame(void);
};
-DECLARE_APP(MyApp)
-
class MyCanvas: public wxScrolledWindow
{
public:
MyCanvas *canvas;
MyChild(wxFrame *frame, const wxString& title, const wxPoint& pos, const wxSize& size, const long style);
~MyChild(void);
- bool OnClose(void);
void OnQuit(wxCommandEvent& event);
void OnNew(wxCommandEvent& event);
long xpos = -1;
long ypos = -1;
-// Initialise this in OnInit, not statically
-wxPen *red_pen;
-wxFont *small_font;
-
// ID for the menu quit command
#define HELLO_QUIT 1
#define HELLO_NEW 2
int CTheApp::ExitInstance()
{
+ // OnExit isn't called by CleanUp so must be called explicitly.
+ wxTheApp->OnExit();
wxApp::CleanUp();
return CWinApp::ExitInstance();
// Don't exit app when the top level frame is deleted
// SetExitOnFrameDelete(FALSE);
- // Create a red pen
- red_pen = new wxPen("RED", 3, wxSOLID);
-
- // Create a small font
- small_font = new wxFont(10, wxSWISS, wxNORMAL, wxNORMAL);
-
wxFrame* frame = CreateFrame();
return TRUE;
}
subframe->GetClientSize(&width, &height);
MyCanvas *canvas = new MyCanvas(subframe, wxPoint(0, 0), wxSize(width, height));
- wxCursor *cursor = new wxCursor(wxCURSOR_PENCIL);
- canvas->SetCursor(*cursor);
+ canvas->SetCursor(wxCursor(wxCURSOR_PENCIL));
subframe->canvas = canvas;
// Give it scrollbars
{
wxPaintDC dc(this);
- dc.SetFont(* small_font);
+ dc.SetFont(* wxSWISS_FONT);
dc.SetPen(* wxGREEN_PEN);
dc.DrawLine(0, 0, 200, 200);
dc.DrawLine(200, 0, 0, 200);
{
wxClientDC dc(this);
dc.SetPen(* wxBLACK_PEN);
- long x, y;
- event.Position(&x, &y);
+ wxPoint pos = event.GetPosition();
if (xpos > -1 && ypos > -1 && event.Dragging())
{
- dc.DrawLine(xpos, ypos, x, y);
+ dc.DrawLine(xpos, ypos, pos.x, pos.y);
}
- xpos = x;
- ypos = y;
+ xpos = pos.x;
+ ypos = pos.y;
}
BEGIN_EVENT_TABLE(MyChild, wxFrame)
canvas->SetFocus();
}
-bool MyChild::OnClose(void)
-{
- return TRUE;
-}
-
-
// Dummy MFC window for specifying a valid main window to MFC, using
// a wxWindows HWND.
CDummyWindow::CDummyWindow(HWND hWnd):CWnd()