WXLRESULT wxMDIParentFrame::MSWWindowProc(WXUINT message,
WXWPARAM wParam,
WXLPARAM lParam)
{
WXLRESULT rc = 0;
bool processed = false;
switch ( message )
{
case WM_ACTIVATE:
{
WXWORD state, minimized;
WXHWND hwnd;
UnpackActivate(wParam, lParam, &state, &minimized, &hwnd);
processed = HandleActivate(state, minimized != 0, hwnd);
}
break;
case WM_COMMAND:
// system messages such as SC_CLOSE are sent as WM_COMMANDs to the
// parent MDI frame and we must let the DefFrameProc() have them
// for these commands to work (without it, closing the maximized
// MDI children doesn't work, for example)
{
WXWORD id, cmd;
WXHWND hwnd;
UnpackCommand(wParam, lParam, &id, &hwnd, &cmd);
if ( id == wxID_MDI_MORE_WINDOWS ||
(cmd == 0 /* menu */ &&
id >= SC_SIZE /* first system menu command */) )
{
MSWDefWindowProc(message, wParam, lParam);
processed = true;
}
}
break;
case WM_CREATE:
m_clientWindow = OnCreateClient();
// Uses own style for client style
if ( !m_clientWindow->CreateClient(this, GetWindowStyleFlag()) )
{
wxLogMessage(_("Failed to create MDI parent frame."));
rc = -1;
}
processed = true;
break;
}
if ( !processed )
rc = wxFrame::MSWWindowProc(message, wParam, lParam);
return rc;
}
WXLRESULT wxMDIParentFrame::MSWWindowProc(WXUINT message,
WXWPARAM wParam,
WXLPARAM lParam)
{
WXLRESULT rc = 0;
bool processed = false;
switch ( message )
{
case WM_ACTIVATE:
{
WXWORD state, minimized;
WXHWND hwnd;
UnpackActivate(wParam, lParam, &state, &minimized, &hwnd);
processed = HandleActivate(state, minimized != 0, hwnd);
}
break;
case WM_COMMAND:
{
WXWORD id, cmd;
WXHWND hwnd;
UnpackCommand(wParam, lParam, &id, &hwnd, &cmd);
(void)HandleCommand(id, cmd, hwnd);
// even if the frame didn't process it, there is no need to try it
// once again (i.e. call wxFrame::HandleCommand()) - we just did it,
// so pretend we processed the message anyhow
processed = true;
}
// always pass this message DefFrameProc(), otherwise MDI menu
// commands (and sys commands - more surprisingly!) won't work
MSWDefWindowProc(message, wParam, lParam);
break;
case WM_CREATE:
m_clientWindow = OnCreateClient();
// Uses own style for client style
if ( !m_clientWindow->CreateClient(this, GetWindowStyleFlag()) )
{
wxLogMessage(_("Failed to create MDI parent frame."));
rc = -1;
}
processed = true;
break;
case WM_ERASEBKGND:
processed = true;
// we erase background ourselves
rc = true;
break;
case WM_MENUSELECT:
{
WXWORD item, flags;
WXHMENU hmenu;
UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu);
if ( m_parentFrameActive )
{
processed = HandleMenuSelect(item, flags, hmenu);
}
else if (m_currentChild)
{
processed = m_currentChild->
HandleMenuSelect(item, flags, hmenu);
}
}
break;
case WM_SIZE:
// though we don't (usually) resize the MDI client to exactly fit the
// client area we need to pass this one to DefFrameProc to allow the children to show
break;
}
if ( !processed )
rc = wxFrame::MSWWindowProc(message, wParam, lParam);
return rc;
}
