#include "wx/log.h"
#include "wx/intl.h"
#include "wx/frame.h"
+ #include "wx/containr.h" // wxSetFocusToChild()
#endif //WX_PRECOMP
#include "wx/msw/private.h"
+#include "wx/popupwin.h"
+
#ifndef ICON_BIG
#define ICON_BIG 1
#endif
#endif // __WXMICROWIN__
+// NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
+// is not included by wxUniv build which does need wxDlgProc
+LONG APIENTRY _EXPORT
+wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
+
// ----------------------------------------------------------------------------
// globals
// ----------------------------------------------------------------------------
// the name of the default wxWindows class
extern const wxChar *wxCanvasClassName;
+// the hidden parent for wxFRAME_NO_TASKBAR unowned frames
+wxWindow *wxTopLevelWindowMSW::ms_hiddenParent = NULL;
+
// ============================================================================
// wxTopLevelWindowMSW implementation
// ============================================================================
-// ----------------------------------------------------------------------------
-// wxDialog helpers
-// ----------------------------------------------------------------------------
-
-// Dialog window proc
-LONG APIENTRY _EXPORT
-wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
-{
- switch ( message )
- {
- case WM_INITDIALOG:
- // for this message, returning TRUE tells system to set focus to the
- // first control in the dialog box
- return TRUE;
-
- default:
- // for all the other ones, FALSE means that we didn't process the
- // message
- return FALSE;
- }
-}
+BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
+ EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
+END_EVENT_TABLE()
// ----------------------------------------------------------------------------
// wxTopLevelWindowMSW creation
m_fsOldWindowStyle = 0;
m_fsIsMaximized = FALSE;
m_fsIsShowing = FALSE;
+
+ m_winLastFocused = (wxWindow *)NULL;
}
WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
#if !defined(__WIN16__) && !defined(__SC__)
if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
{
- // make all frames appear in the win9x shell taskbar unless
- // wxFRAME_TOOL_WINDOW or wxFRAME_NO_TASKBAR is given - without
- // giving them WS_EX_APPWINDOW style, the child (i.e. owned) frames
- // wouldn't appear in it
- if ( (style & wxFRAME_TOOL_WINDOW) || (style & wxFRAME_NO_TASKBAR) )
+ if ( style & wxFRAME_TOOL_WINDOW )
+ {
+ // create the palette-like window
*exflags |= WS_EX_TOOLWINDOW;
- else if ( !(style & wxFRAME_NO_TASKBAR) )
+ }
+
+ // We have to solve 2 different problems here:
+ //
+ // 1. frames with wxFRAME_NO_TASKBAR flag shouldn't appear in the
+ // taskbar even if they don't have a parent
+ //
+ // 2. frames without this style should appear in the taskbar even
+ // if they're owned (Windows only puts non owned windows into
+ // the taskbar normally)
+ //
+ // The second one is solved here by using WS_EX_APPWINDOW flag, the
+ // first one is dealt with in our MSWGetParent() method
+ // implementation
+ if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
+ {
+ // need to force the frame to appear in the taskbar
*exflags |= WS_EX_APPWINDOW;
+ }
+ //else: nothing to do [here]
}
#endif // !Win16
return msflags;
}
+WXHWND wxTopLevelWindowMSW::MSWGetParent() const
+{
+ // for the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL
+ // parent HWND or it would be always on top of its parent which is not what
+ // we usually want (in fact, we only want it for frames with the
+ // wxFRAME_FLOAT_ON_PARENT flag)
+ wxWindow *parent;
+ if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
+ {
+ parent = GetParent();
+
+ // this flag doesn't make sense then and will be ignored
+ wxASSERT_MSG( parent,
+ _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
+ }
+ else // don't float on parent, must not be owned
+ {
+ parent = NULL;
+ }
+
+ // now deal with the 2nd taskbar-related problem (see comments above in
+ // MSWGetStyle())
+ if ( HasFlag(wxFRAME_NO_TASKBAR) && !parent )
+ {
+ if ( !ms_hiddenParent )
+ {
+ ms_hiddenParent = new wxTopLevelWindowMSW(NULL, -1, _T(""));
+
+ // we shouldn't leave it in wxTopLevelWindows or we wouldn't
+ // terminate the app when the last user-created frame is deleted --
+ // see ~wxTopLevelWindowMSW
+ wxTopLevelWindows.DeleteObject(ms_hiddenParent);
+ }
+
+ parent = ms_hiddenParent;
+ }
+
+ return parent ? parent->GetHWND() : WXHWND(NULL);
+}
+
bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
const wxString& title,
const wxPoint& pos,
wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
{
- wxTopLevelWindows.DeleteObject(this);
+ if ( this == ms_hiddenParent )
+ {
+ // stop [infinite] recursion which would otherwise happen when we do
+ // "delete ms_hiddenParent" below -- and we're not interested in doing
+ // anything of the rest below for that window because the rest of
+ // wxWindows doesn't even know about it
+ return;
+ }
if ( wxModelessWindows.Find(this) )
wxModelessWindows.DeleteObject(this);
- // If this is the last top-level window, exit.
- if ( wxTheApp && (wxTopLevelWindows.Number() == 0) )
+ // after destroying an owned window, Windows activates the next top level
+ // window in Z order but it may be different from our owner (to reproduce
+ // this simply Alt-TAB to another application and back before closing the
+ // owned frame) whereas we always want to yield activation to our parent
+ if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
{
- wxTheApp->SetTopWindow(NULL);
+ wxWindow *parent = GetParent();
+ if ( parent )
+ {
+ ::BringWindowToTop(GetHwndOf(parent));
+ }
+ }
- if ( wxTheApp->GetExitOnFrameDelete() )
+ // if this is the last top-level window, we're going to exit and we should
+ // delete ms_hiddenParent now to avoid leaking it
+ if ( IsLastBeforeExit() )
+ {
+ if ( ms_hiddenParent )
{
- ::PostQuitMessage(0);
+ delete ms_hiddenParent;
+ ms_hiddenParent = NULL;
}
}
}
return TRUE;
}
+// ----------------------------------------------------------------------------
+// wxTopLevelWindow event handling
+// ----------------------------------------------------------------------------
+
+// Default activation behaviour - set the focus for the first child
+// subwindow found.
+void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
+{
+ if ( event.GetActive() )
+ {
+ // restore focus to the child which was last focused
+ wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), m_hWnd);
+
+ wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
+ : NULL;
+ if ( !parent )
+ {
+ parent = this;
+ }
+
+ wxSetFocusToChild(parent, &m_winLastFocused);
+ }
+ else // deactivating
+ {
+ // remember the last focused child if it is our child
+ m_winLastFocused = FindFocus();
+
+ // so we NULL it out if it's a child from some other frame
+ wxWindow *win = m_winLastFocused;
+ while ( win )
+ {
+ if ( win->IsTopLevel() )
+ {
+ if ( win != this )
+ {
+ m_winLastFocused = NULL;
+ }
+
+ break;
+ }
+
+ win = win->GetParent();
+ }
+
+ wxLogTrace(_T("focus"),
+ _T("wxTLW %08x deactivated, last focused: %08x."),
+ m_hWnd,
+ m_winLastFocused ? GetHwndOf(m_winLastFocused)
+ : NULL);
+
+ event.Skip();
+ }
+}
+
+// the DialogProc for all wxWindows dialogs
+LONG APIENTRY _EXPORT
+wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
+{
+ switch ( message )
+ {
+ case WM_INITDIALOG:
+ // for this message, returning TRUE tells system to set focus to
+ // the first control in the dialog box, but as we set the focus
+ // ourselves, we return FALSE from here as well, so fall through
+
+ default:
+ // for all the other ones, FALSE means that we didn't process the
+ // message
+ return FALSE;
+ }
+}
+
projects / wxWidgets.git / blobdiff