// Created: 24.09.01
// RCS-ID: $Id$
// Copyright: (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
-// License: wxWindows license
+// License: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
#include "wx/log.h"
#include "wx/intl.h"
#include "wx/frame.h"
+ #include "wx/containr.h" // wxSetFocusToChild()
#endif //WX_PRECOMP
+#include "wx/module.h"
+
#include "wx/msw/private.h"
-#include "wx/popupwin.h"
+#include "wx/display.h"
#ifndef ICON_BIG
#define ICON_BIG 1
#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;
-// ============================================================================
-// wxTopLevelWindowMSW implementation
-// ============================================================================
-
// ----------------------------------------------------------------------------
-// wxDialog helpers
+// wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
+// module to ensure that the window is always deleted)
// ----------------------------------------------------------------------------
-// Dialog window proc
-LONG APIENTRY _EXPORT
-wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
+class wxTLWHiddenParentModule : public wxModule
{
- 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;
+public:
+ // module init/finalize
+ virtual bool OnInit();
+ virtual void OnExit();
- default:
- // for all the other ones, FALSE means that we didn't process the
- // message
- return FALSE;
- }
-}
+ // get the hidden window (creates on demand)
+ static HWND GetHWND();
+
+private:
+ // the HWND of the hidden parent
+ static HWND ms_hwnd;
+
+ // the class used to create it
+ static const wxChar *ms_className;
+
+ DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
+
+// ============================================================================
+// wxTopLevelWindowMSW implementation
+// ============================================================================
+
+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)
+ HWND hwndParent = NULL;
+ if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
+ {
+ const wxWindow *parent = GetParent();
+
+ if ( !parent )
+ {
+ // this flag doesn't make sense then and will be ignored
+ wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
+ }
+ else
+ {
+ hwndParent = GetHwndOf(parent);
+ }
+ }
+ //else: don't float on parent, must not be owned
+
+ // now deal with the 2nd taskbar-related problem (see comments above in
+ // MSWGetStyle())
+ if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
+ {
+ // use hidden parent
+ hwndParent = wxTLWHiddenParentModule::GetHWND();
+ }
+
+ return (WXHWND)hwndParent;
+}
+
bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
const wxString& title,
const wxPoint& pos,
if ( !m_hWnd )
{
- wxFAIL_MSG(_("Failed to create dialog. Incorrect DLGTEMPLATE?"));
+ wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
- wxLogSysError(_("Can't create dialog using memory template"));
+ wxLogSysError(wxT("Can't create dialog using memory template"));
return FALSE;
}
long style,
const wxString& name)
{
+ bool ret = false;
+
// init our fields
Init();
if ( style & (wxRESIZE_BORDER | wxCAPTION) )
dlgTemplate->style |= DS_MODALFRAME;
- bool ret = CreateDialog(dlgTemplate, title, pos, size);
+ ret = CreateDialog(dlgTemplate, title, pos, size);
free(dlgTemplate);
-
- return ret;
}
else // !dialog
{
- return CreateFrame(title, pos, size);
+ ret = CreateFrame(title, pos, size);
}
+
+ if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
+ {
+ EnableCloseButton(false);
+ }
+
+ return ret;
}
wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
{
- wxTopLevelWindows.DeleteObject(this);
-
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);
-
- if ( wxTheApp->GetExitOnFrameDelete() )
+ wxWindow *parent = GetParent();
+ if ( parent )
{
- ::PostQuitMessage(0);
+ ::BringWindowToTop(GetHwndOf(parent));
}
}
}
}
else // just show
{
- nShowCmd = SW_SHOW;
+ if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
+ nShowCmd = SW_SHOWNA;
+ else
+ nShowCmd = SW_SHOW;
}
}
else // hide
{
// we can't maximize the hidden frame because it shows it as well, so
// just remember that we should do it later in this case
- m_maximizeOnShow = TRUE;
+ m_maximizeOnShow = maximize;
}
}
bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
{
- if (show)
+ if ( show == IsFullScreen() )
{
- if (IsFullScreen())
- return FALSE;
+ // nothing to do
+ return TRUE;
+ }
- m_fsIsShowing = TRUE;
+ m_fsIsShowing = show;
+
+ if ( show )
+ {
m_fsStyle = style;
// zap the frame borders
// save the 'normal' window style
- m_fsOldWindowStyle = GetWindowLong((HWND)GetHWND(), GWL_STYLE);
+ m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
// save the old position, width & height, maximize state
m_fsOldSize = GetRect();
if (style & wxFULLSCREEN_NOBORDER)
offFlags |= WS_BORDER | WS_THICKFRAME;
if (style & wxFULLSCREEN_NOCAPTION)
- offFlags |= (WS_CAPTION | WS_SYSMENU);
+ offFlags |= WS_CAPTION | WS_SYSMENU;
- newStyle &= (~offFlags);
+ newStyle &= ~offFlags;
// change our window style to be compatible with full-screen mode
- ::SetWindowLong((HWND)GetHWND(), GWL_STYLE, newStyle);
-
- // resize to the size of the desktop
- int width, height;
+ ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
- RECT rect = wxGetWindowRect(::GetDesktopWindow());
- width = rect.right - rect.left;
- height = rect.bottom - rect.top;
+ wxRect rect;
+#if wxUSE_DISPLAY
+ // resize to the size of the display containing us
+ int dpy = wxDisplay::GetFromWindow(this);
+ if ( dpy != wxNOT_FOUND )
+ {
+ rect = wxDisplay(dpy).GetGeometry();
+ }
+ else // fall back to the main desktop
+#else // wxUSE_DISPLAY
+ {
+ // resize to the size of the desktop
+ wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
+ }
+#endif // wxUSE_DISPLAY
- SetSize(width, height);
+ SetSize(rect);
// now flush the window style cache and actually go full-screen
- SetWindowPos((HWND)GetHWND(), HWND_TOP, 0, 0, width, height, SWP_FRAMECHANGED);
+ long flags = SWP_FRAMECHANGED;
- wxSizeEvent event(wxSize(width, height), GetId());
- GetEventHandler()->ProcessEvent(event);
+ // showing the frame full screen should also show it if it's still
+ // hidden
+ if ( !IsShown() )
+ {
+ // don't call wxWindow version to avoid flicker from calling
+ // ::ShowWindow() -- we're going to show the window at the correct
+ // location directly below -- but do call the wxWindowBase version
+ // to sync the internal m_isShown flag
+ wxWindowBase::Show();
- return TRUE;
- }
- else
- {
- if (!IsFullScreen())
- return FALSE;
+ flags |= SWP_SHOWWINDOW;
+ }
- m_fsIsShowing = FALSE;
+ SetWindowPos(GetHwnd(), HWND_TOP,
+ rect.x, rect.y, rect.width, rect.height,
+ flags);
+ // finally send an event allowing the window to relayout itself &c
+ wxSizeEvent event(rect.GetSize(), GetId());
+ GetEventHandler()->ProcessEvent(event);
+ }
+ else // stop showing full screen
+ {
Maximize(m_fsIsMaximized);
- SetWindowLong((HWND)GetHWND(),GWL_STYLE, m_fsOldWindowStyle);
- SetWindowPos((HWND)GetHWND(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
+ SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
+ SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
-
- return TRUE;
}
+
+ return TRUE;
}
// ----------------------------------------------------------------------------
return TRUE;
}
+bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
+{
+ // The empty region signifies that the shape should be removed from the
+ // window.
+ if ( region.IsEmpty() )
+ {
+ if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
+ {
+ wxLogLastError(_T("SetWindowRgn"));
+ return FALSE;
+ }
+ return TRUE;
+ }
+
+ // Windows takes ownership of the region, so
+ // we'll have to make a copy of the region to give to it.
+ DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
+ RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
+ ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
+ HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
+ delete[] (char*) rgnData;
+
+ // SetWindowRgn expects the region to be in coordinants
+ // relative to the window, not the client area. Figure
+ // out the offset, if any.
+ RECT rect;
+ DWORD dwStyle = ::GetWindowLong(GetHwnd(), GWL_STYLE);
+ DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
+ ::GetClientRect(GetHwnd(), &rect);
+ ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
+ ::OffsetRgn(hrgn, -rect.left, -rect.top);
+
+ // Now call the shape API with the new region.
+ if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
+ {
+ wxLogLastError(_T("SetWindowRgn"));
+ return FALSE;
+ }
+ return TRUE;
+}
+
// ----------------------------------------------------------------------------
-// wxTopLevelWindowMSW message processing
+// wxTopLevelWindow event handling
// ----------------------------------------------------------------------------
-long wxTopLevelWindowMSW::HandleNcActivate(bool activate)
+// Default activation behaviour - set the focus for the first child
+// subwindow found.
+void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
{
-#if wxUSE_POPUPWIN
- /*
- Normally, when another top level (whether it is overlapped or popup)
- window is shown, it is activated and the parent window (i.e. we) loses
- the activation. This, however, looks very ugly when the child window is
- a [custom] combobox which we implement using a popup window as surely
- opening a combobox shouldn't result in deactivating the parent window.
-
- So we don't redraw the title bar in this case, even if we still return
- TRUE to let the change of activation to take place as otherwise the
- controls inside the popup window wouldn't work properly.
- */
- if ( !activate && wxPopupWindow::FindPopupFor(this) )
+ if ( event.GetActive() )
{
- return TRUE;
+ // restore focus to the child which was last focused
+ wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
+
+ wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
+ : NULL;
+ if ( !parent )
+ {
+ parent = this;
+ }
+
+ wxSetFocusToChild(parent, &m_winLastFocused);
}
-#endif // wxUSE_POPUPWIN
+ else // deactivating
+ {
+ // remember the last focused child if it is our child
+ m_winLastFocused = FindFocus();
- return FALSE;
+ if ( m_winLastFocused )
+ {
+ // let it know that it doesn't have focus any more
+ m_winLastFocused->HandleKillFocus((WXHWND)NULL);
+ }
+
+ // 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."),
+ (int) m_hWnd,
+ (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
+ : NULL));
+
+ event.Skip();
+ }
}
-long
-wxTopLevelWindowMSW::MSWWindowProc(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam)
+// the DialogProc for all wxWindows dialogs
+LONG APIENTRY _EXPORT
+wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
- if ( msg == WM_NCACTIVATE && HandleNcActivate(wParam != 0) )
+ switch ( message )
{
- // we processed WM_NCACTIVATE ourselves
- return TRUE;
+ 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;
}
+}
- return wxTopLevelWindowBase::MSWWindowProc(msg, wParam, lParam);
+// ============================================================================
+// wxTLWHiddenParentModule implementation
+// ============================================================================
+
+HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
+
+const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
+
+bool wxTLWHiddenParentModule::OnInit()
+{
+ ms_hwnd = NULL;
+ ms_className = NULL;
+
+ return TRUE;
+}
+
+void wxTLWHiddenParentModule::OnExit()
+{
+ if ( ms_hwnd )
+ {
+ if ( !::DestroyWindow(ms_hwnd) )
+ {
+ wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
+ }
+
+ ms_hwnd = NULL;
+ }
+
+ if ( ms_className )
+ {
+ if ( !::UnregisterClass(ms_className, wxGetInstance()) )
+ {
+ wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
+ }
+
+ ms_className = NULL;
+ }
}
+
+/* static */
+HWND wxTLWHiddenParentModule::GetHWND()
+{
+ if ( !ms_hwnd )
+ {
+ if ( !ms_className )
+ {
+ static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
+
+ WNDCLASS wndclass;
+ wxZeroMemory(wndclass);
+
+ wndclass.lpfnWndProc = DefWindowProc;
+ wndclass.hInstance = wxGetInstance();
+ wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
+
+ if ( !::RegisterClass(&wndclass) )
+ {
+ wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
+ }
+ else
+ {
+ ms_className = HIDDEN_PARENT_CLASS;
+ }
+ }
+
+ ms_hwnd = ::CreateWindow(ms_className, _T(""), 0, 0, 0, 0, 0, NULL,
+ (HMENU)NULL, wxGetInstance(), NULL);
+ if ( !ms_hwnd )
+ {
+ wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
+ }
+ }
+
+ return ms_hwnd;
+}
+
+
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