X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/18d2e17080a0bea4b85e0ad7223cfc6bcdab0e1e..c0472c7c9e1e9984f7d48eef7857e631c3adbd0d:/src/msw/mdi.cpp diff --git a/src/msw/mdi.cpp b/src/msw/mdi.cpp index b5fef838da..7114765e93 100644 --- a/src/msw/mdi.cpp +++ b/src/msw/mdi.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: mdi.cpp -// Purpose: MDI classes +// Name: src/msw/mdi.cpp +// Purpose: MDI classes for wxMSW // Author: Julian Smart // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // =========================================================================== @@ -17,10 +17,6 @@ // headers // --------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "mdi.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -28,68 +24,58 @@ #pragma hdrstop #endif +#if wxUSE_MDI && !defined(__WXUNIVERSAL__) + +#include "wx/mdi.h" + #ifndef WX_PRECOMP - #include "wx/setup.h" #include "wx/frame.h" #include "wx/menu.h" #include "wx/app.h" #include "wx/utils.h" #include "wx/dialog.h" - #if wxUSE_STATUSBAR - #include "wx/statusbr.h" - #endif + #include "wx/statusbr.h" #include "wx/settings.h" #include "wx/intl.h" #include "wx/log.h" + #include "wx/toolbar.h" #endif -#include "wx/mdi.h" +#include "wx/stockitem.h" #include "wx/msw/private.h" #if wxUSE_STATUSBAR && wxUSE_NATIVE_STATUSBAR #include "wx/msw/statbr95.h" #endif -#if wxUSE_TOOLBAR - #include "wx/toolbar.h" -#endif // wxUSE_TOOLBAR - #include // --------------------------------------------------------------------------- // global variables // --------------------------------------------------------------------------- -extern wxWindowList wxModelessWindows; // from dialog.cpp extern wxMenu *wxCurrentPopupMenu; -extern const wxChar *wxMDIFrameClassName; +extern const wxChar *wxMDIFrameClassName; // from app.cpp extern const wxChar *wxMDIChildFrameClassName; -extern wxWindow *wxWndHook; // from window.cpp - -extern void wxAssociateWinWithHandle(HWND hWnd, wxWindow *win); - -static HWND invalidHandle = 0; +extern const wxChar *wxMDIChildFrameClassNameNoRedraw; +extern void wxRemoveHandleAssociation(wxWindow *win); // --------------------------------------------------------------------------- // constants // --------------------------------------------------------------------------- -static const int IDM_WINDOWTILE = 4001; static const int IDM_WINDOWTILEHOR = 4001; static const int IDM_WINDOWCASCADE = 4002; static const int IDM_WINDOWICONS = 4003; static const int IDM_WINDOWNEXT = 4004; static const int IDM_WINDOWTILEVERT = 4005; +static const int IDM_WINDOWPREV = 4006; // This range gives a maximum of 500 MDI children. Should be enough :-) static const int wxFIRST_MDI_CHILD = 4100; static const int wxLAST_MDI_CHILD = 4600; -// Status border dimensions -static const int wxTHICK_LINE_BORDER = 3; -static const int wxTHICK_LINE_WIDTH = 1; - // --------------------------------------------------------------------------- // private functions // --------------------------------------------------------------------------- @@ -111,9 +97,17 @@ inline bool IsMdiCommandId(int id) return (id >= wxFIRST_MDI_CHILD) && (id <= wxLAST_MDI_CHILD); } +// unpack the parameters of WM_MDIACTIVATE message static void UnpackMDIActivate(WXWPARAM wParam, WXLPARAM lParam, WXWORD *activate, WXHWND *hwndAct, WXHWND *hwndDeact); +// return the HMENU of the MDI menu +static inline HMENU GetMDIWindowMenu(wxMDIParentFrame *frame) +{ + wxMenu *menu = frame->GetWindowMenu(); + return menu ? GetHmenuOf(menu) : 0; +} + // =========================================================================== // implementation // =========================================================================== @@ -122,15 +116,20 @@ static void UnpackMDIActivate(WXWPARAM wParam, WXLPARAM lParam, // wxWin macros // --------------------------------------------------------------------------- - IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame, wxFrame) - IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame, wxFrame) - IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow, wxWindow) +IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame, wxFrame) +IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame, wxFrame) +IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow, wxWindow) BEGIN_EVENT_TABLE(wxMDIParentFrame, wxFrame) EVT_SIZE(wxMDIParentFrame::OnSize) + EVT_ICONIZE(wxMDIParentFrame::OnIconized) EVT_SYS_COLOUR_CHANGED(wxMDIParentFrame::OnSysColourChanged) END_EVENT_TABLE() +BEGIN_EVENT_TABLE(wxMDIChildFrame, wxFrame) + EVT_IDLE(wxMDIChildFrame::OnIdle) +END_EVENT_TABLE() + BEGIN_EVENT_TABLE(wxMDIClientWindow, wxWindow) EVT_SCROLL(wxMDIClientWindow::OnScroll) END_EVENT_TABLE() @@ -145,7 +144,7 @@ wxMDIParentFrame::wxMDIParentFrame() m_clientWindow = NULL; m_currentChild = NULL; m_windowMenu = (wxMenu*) NULL; - m_parentFrameActive = TRUE; + m_parentFrameActive = true; } bool wxMDIParentFrame::Create(wxWindow *parent, @@ -156,28 +155,29 @@ bool wxMDIParentFrame::Create(wxWindow *parent, long style, const wxString& name) { - m_defaultIcon = (WXHICON) (wxSTD_MDIPARENTFRAME_ICON ? wxSTD_MDIPARENTFRAME_ICON : wxDEFAULT_MDIPARENTFRAME_ICON); - m_clientWindow = NULL; m_currentChild = NULL; - if (style & wxFRAME_NO_WINDOW_MENU) - m_windowMenu = (wxMenu*) NULL; - else + // this style can be used to prevent a window from having the standard MDI + // "Window" menu + if ( style & wxFRAME_NO_WINDOW_MENU ) + { + m_windowMenu = (wxMenu *)NULL; + } + else // normal case: we have the window menu, so construct it { - // m_windowMenu = (WXHMENU) ::LoadMenu(wxGetInstance(), wxT("wxWindowMenu")); m_windowMenu = new wxMenu; - - m_windowMenu->Append(4002, wxT("&Cascade")); - m_windowMenu->Append(4001, wxT("Tile &Horizontally")); - m_windowMenu->Append(4005, wxT("Tile &Vertically")); + m_windowMenu->Append(IDM_WINDOWCASCADE, _("&Cascade")); + m_windowMenu->Append(IDM_WINDOWTILEHOR, _("Tile &Horizontally")); + m_windowMenu->Append(IDM_WINDOWTILEVERT, _("Tile &Vertically")); m_windowMenu->AppendSeparator(); - m_windowMenu->Append(4003, wxT("&Arrange Icons")); - m_windowMenu->Append(4004, wxT("&Next")); + m_windowMenu->Append(IDM_WINDOWICONS, _("&Arrange Icons")); + m_windowMenu->Append(IDM_WINDOWNEXT, _("&Next")); + m_windowMenu->Append(IDM_WINDOWPREV, _("&Previous")); } - m_parentFrameActive = TRUE; + m_parentFrameActive = true; if (!parent) wxTopLevelWindows.Append(this); @@ -185,58 +185,62 @@ bool wxMDIParentFrame::Create(wxWindow *parent, SetName(name); m_windowStyle = style; - if (parent) parent->AddChild(this); + if ( parent ) + parent->AddChild(this); - if ( id > -1 ) + if ( id != wxID_ANY ) m_windowId = id; else - m_windowId = (int)NewControlId(); - - int x = pos.x; - int y = pos.y; - int width = size.x; - int height = size.y; - - DWORD msflags = WS_OVERLAPPED; - if (style & wxMINIMIZE_BOX) - msflags |= WS_MINIMIZEBOX; - if (style & wxMAXIMIZE_BOX) - msflags |= WS_MAXIMIZEBOX; - if (style & wxTHICK_FRAME) - msflags |= WS_THICKFRAME; - if (style & wxSYSTEM_MENU) - msflags |= WS_SYSMENU; - if ((style & wxMINIMIZE) || (style & wxICONIZE)) - msflags |= WS_MINIMIZE; - if (style & wxMAXIMIZE) - msflags |= WS_MAXIMIZE; - if (style & wxCAPTION) - msflags |= WS_CAPTION; - - if (style & wxCLIP_CHILDREN) - msflags |= WS_CLIPCHILDREN; + m_windowId = NewControlId(); + + WXDWORD exflags; + WXDWORD msflags = MSWGetCreateWindowFlags(&exflags); + msflags &= ~WS_VSCROLL; + msflags &= ~WS_HSCROLL; + + if ( !wxWindow::MSWCreate(wxMDIFrameClassName, + title.wx_str(), + pos, size, + msflags, + exflags) ) + { + return false; + } - wxWindow::MSWCreate(m_windowId, parent, wxMDIFrameClassName, this, title, x, y, width, height, - msflags); + SetOwnBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE)); - wxModelessWindows.Append(this); + // unlike (almost?) all other windows, frames are created hidden + m_isShown = false; - return TRUE; + return true; } wxMDIParentFrame::~wxMDIParentFrame() { - DestroyChildren(); - // already delete by DestroyChildren() + // see comment in ~wxMDIChildFrame +#if wxUSE_TOOLBAR m_frameToolBar = NULL; +#endif +#if wxUSE_STATUSBAR + m_frameStatusBar = NULL; +#endif // wxUSE_STATUSBAR + + DestroyChildren(); - // ::DestroyMenu((HMENU)m_windowMenu); if (m_windowMenu) { delete m_windowMenu; m_windowMenu = (wxMenu*) NULL; } + // the MDI frame menubar is not automatically deleted by Windows unlike for + // the normal frames + if ( m_hMenu ) + { + ::DestroyMenu((HMENU)m_hMenu); + m_hMenu = (WXHMENU)NULL; + } + if ( m_clientWindow ) { if ( m_clientWindow->MSWGetOldWndProc() ) @@ -247,19 +251,17 @@ wxMDIParentFrame::~wxMDIParentFrame() } } +#if wxUSE_MENUS_NATIVE + void wxMDIParentFrame::InternalSetMenuBar() { -// HMENU subMenu = GetSubMenu((HMENU) m_windowMenu, 0); - - m_parentFrameActive = TRUE; + m_parentFrameActive = true; - HMENU subMenu = (HMENU) 0; - if (GetWindowMenu()) - subMenu = (HMENU) GetWindowMenu()->GetHMenu(); - - InsertWindowMenu(GetClientWindow(), m_hMenu, subMenu); + InsertWindowMenu(GetClientWindow(), m_hMenu, GetMDIWindowMenu(this)); } +#endif // wxUSE_MENUS_NATIVE + void wxMDIParentFrame::SetWindowMenu(wxMenu* menu) { if (m_windowMenu) @@ -273,15 +275,58 @@ void wxMDIParentFrame::SetWindowMenu(wxMenu* menu) delete m_windowMenu; m_windowMenu = (wxMenu*) NULL; } + if (menu) { m_windowMenu = menu; if (GetMenuBar()) - InsertWindowMenu(GetClientWindow(), m_hMenu, (HMENU) m_windowMenu->GetHMenu()); + { + InsertWindowMenu(GetClientWindow(), m_hMenu, + GetHmenuOf(m_windowMenu)); + } } } -void wxMDIParentFrame::OnSize(wxSizeEvent& event) +void wxMDIParentFrame::DoMenuUpdates(wxMenu* menu) +{ + wxMDIChildFrame *child = GetActiveChild(); + if ( child ) + { + wxEvtHandler* source = child->GetEventHandler(); + wxMenuBar* bar = child->GetMenuBar(); + + if (menu) + { + menu->UpdateUI(source); + } + else + { + if ( bar != NULL ) + { + int nCount = bar->GetMenuCount(); + for (int n = 0; n < nCount; n++) + bar->GetMenu(n)->UpdateUI(source); + } + } + } + else + { + wxFrameBase::DoMenuUpdates(menu); + } +} + +const wxMenuItem *wxMDIParentFrame::FindItemInMenuBar(int menuId) const +{ + const wxMenuItem *item = wxFrame::FindItemInMenuBar(menuId); + if ( !item && m_currentChild ) + { + item = m_currentChild->FindItemInMenuBar(menuId); + } + + return item; +} + +void wxMDIParentFrame::UpdateClientSize() { if ( GetClientWindow() ) { @@ -292,6 +337,23 @@ void wxMDIParentFrame::OnSize(wxSizeEvent& event) } } +void wxMDIParentFrame::OnSize(wxSizeEvent& WXUNUSED(event)) +{ + UpdateClientSize(); + + // do not call event.Skip() here, it somehow messes up MDI client window +} + +void wxMDIParentFrame::OnIconized(wxIconizeEvent& event) +{ + event.Skip(); + + if ( !event.Iconized() ) + { + UpdateClientSize(); + } +} + // Returns the active MDI child window wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const { @@ -315,13 +377,19 @@ void wxMDIParentFrame::OnSysColourChanged(wxSysColourChangedEvent& event) { if ( m_clientWindow ) { - m_clientWindow->SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE)); + m_clientWindow->SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE)); m_clientWindow->Refresh(); } event.Skip(); } +WXHICON wxMDIParentFrame::GetDefaultIcon() const +{ + // we don't have any standard icons (any more) + return (WXHICON)0; +} + // --------------------------------------------------------------------------- // MDI operations // --------------------------------------------------------------------------- @@ -331,10 +399,14 @@ void wxMDIParentFrame::Cascade() ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDICASCADE, 0, 0); } -// TODO: add a direction argument (hor/vert) -void wxMDIParentFrame::Tile() +void wxMDIParentFrame::Tile(wxOrientation orient) { - ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDITILE, MDITILE_HORIZONTAL, 0); + wxASSERT_MSG( orient == wxHORIZONTAL || orient == wxVERTICAL, + _T("invalid orientation value") ); + + ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDITILE, + orient == wxHORIZONTAL ? MDITILE_HORIZONTAL + : MDITILE_VERTICAL, 0); } void wxMDIParentFrame::ArrangeIcons() @@ -356,12 +428,12 @@ void wxMDIParentFrame::ActivatePrevious() // the MDI parent frame window proc // --------------------------------------------------------------------------- -long wxMDIParentFrame::MSWWindowProc(WXUINT message, +WXLRESULT wxMDIParentFrame::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam) { - long rc = 0; - bool processed = FALSE; + WXLRESULT rc = 0; + bool processed = false; switch ( message ) { @@ -384,13 +456,13 @@ long wxMDIParentFrame::MSWWindowProc(WXUINT message, (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 dud it, + // once again (i.e. call wxFrame::HandleCommand()) - we just did it, // so pretend we processed the message anyhow - processed = TRUE; + processed = true; } // always pass this message DefFrameProc(), otherwise MDI menu - // commands (and sys commands - more surprizingly!) won't work + // commands (and sys commands - more surprisingly!) won't work MSWDefWindowProc(message, wParam, lParam); break; @@ -404,38 +476,19 @@ long wxMDIParentFrame::MSWWindowProc(WXUINT message, rc = -1; } - processed = TRUE; + processed = true; break; case WM_ERASEBKGND: - processed = TRUE; + 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); - } - } + rc = true; break; case WM_SIZE: - // as we don't (usually) resize the MDI client to exactly fit the - // client area (we put it below the toolbar, above statusbar &c), - // we should not pass this one to DefFrameProc + // 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; } @@ -447,12 +500,12 @@ long wxMDIParentFrame::MSWWindowProc(WXUINT message, bool wxMDIParentFrame::HandleActivate(int state, bool minimized, WXHWND activate) { - bool processed = FALSE; + bool processed = false; if ( wxWindow::HandleActivate(state, minimized, activate) ) { // already processed - processed = TRUE; + processed = true; } // If this window is an MDI parent, we must also send an OnActivate message @@ -460,10 +513,10 @@ bool wxMDIParentFrame::HandleActivate(int state, bool minimized, WXHWND activate if ( (m_currentChild != NULL) && ((state == WA_ACTIVE) || (state == WA_CLICKACTIVE)) ) { - wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_currentChild->GetId()); + wxActivateEvent event(wxEVT_ACTIVATE, true, m_currentChild->GetId()); event.SetEventObject( m_currentChild ); if ( m_currentChild->GetEventHandler()->ProcessEvent(event) ) - processed = TRUE; + processed = true; } return processed; @@ -479,8 +532,17 @@ bool wxMDIParentFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd) return win->MSWCommand(cmd, id); } + if (wxCurrentPopupMenu) + { + wxMenu *popupMenu = wxCurrentPopupMenu; + wxCurrentPopupMenu = NULL; + if (popupMenu->MSWCommand(cmd, id)) + return true; + } + // is it one of standard MDI commands? WXWPARAM wParam = 0; + WXLPARAM lParam = 0; int msg; switch ( id ) { @@ -506,6 +568,12 @@ bool wxMDIParentFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd) case IDM_WINDOWNEXT: msg = WM_MDINEXT; + lParam = 0; // next child + break; + + case IDM_WINDOWPREV: + msg = WM_MDINEXT; + lParam = 1; // previous child break; default: @@ -514,23 +582,23 @@ bool wxMDIParentFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd) if ( msg ) { - ::SendMessage(GetWinHwnd(GetClientWindow()), msg, wParam, 0); + ::SendMessage(GetWinHwnd(GetClientWindow()), msg, wParam, lParam); - return TRUE; + return true; } // FIXME VZ: what does this test do?? if (id >= 0xF000) { - return FALSE; // Get WndProc to call default proc + return false; // Get WndProc to call default proc } if ( IsMdiCommandId(id) ) { - wxWindowList::Node* node = GetChildren().GetFirst(); + wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); while ( node ) { - wxWindow* child = node->GetData(); + wxWindow *child = node->GetData(); if ( child->GetHWND() ) { long childId = wxGetWindowId(child->GetHWND()); @@ -539,7 +607,7 @@ bool wxMDIParentFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd) ::SendMessage( GetWinHwnd(GetClientWindow()), WM_MDIACTIVATE, (WPARAM)child->GetHWND(), 0); - return TRUE; + return true; } } node = node->GetNext(); @@ -557,14 +625,13 @@ bool wxMDIParentFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd) { // this shouldn't happen because it means that our messages are being // lost (they're not sent to the parent frame nor to the children) - wxFAIL_MSG(wxT("MDI parent frame is not active, " - "yet there is no active MDI child?")); + wxFAIL_MSG(wxT("MDI parent frame is not active, yet there is no active MDI child?")); } - return FALSE; + return false; } -long wxMDIParentFrame::MSWDefWindowProc(WXUINT message, +WXLRESULT wxMDIParentFrame::MSWDefWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam) { @@ -581,32 +648,37 @@ bool wxMDIParentFrame::MSWTranslateMessage(WXMSG* msg) { MSG *pMsg = (MSG *)msg; + // first let the current child get it if ( m_currentChild && m_currentChild->GetHWND() && m_currentChild->MSWTranslateMessage(msg) ) { - return TRUE; + return true; } - if ( m_acceleratorTable.Translate(this, msg) ) + // then try out accel table (will also check the menu accels) + if ( wxFrame::MSWTranslateMessage(msg) ) { - return TRUE; + return true; } + // finally, check for MDI specific built in accel keys if ( pMsg->message == WM_KEYDOWN || pMsg->message == WM_SYSKEYDOWN ) { if ( ::TranslateMDISysAccel(GetWinHwnd(GetClientWindow()), pMsg)) - return TRUE; + return true; } - return FALSE; + return false; } // =========================================================================== // wxMDIChildFrame // =========================================================================== -wxMDIChildFrame::wxMDIChildFrame() +void wxMDIChildFrame::Init() { + m_needsResize = true; + m_needsInitialShow = true; } bool wxMDIChildFrame::Create(wxMDIParentFrame *parent, @@ -617,12 +689,9 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent, long style, const wxString& name) { - m_defaultIcon = (WXHICON)(wxSTD_MDICHILDFRAME_ICON ? wxSTD_MDICHILDFRAME_ICON - : wxDEFAULT_MDICHILDFRAME_ICON); - SetName(name); - if ( id > -1 ) + if ( id != wxID_ANY ) m_windowId = id; else m_windowId = (int)NewControlId(); @@ -632,8 +701,6 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent, parent->AddChild(this); } - wxWndHook = this; - int x = pos.x; int y = pos.y; int width = size.x; @@ -641,25 +708,27 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent, MDICREATESTRUCT mcs; - mcs.szClass = wxMDIChildFrameClassName; - mcs.szTitle = title; + mcs.szClass = style & wxFULL_REPAINT_ON_RESIZE + ? wxMDIChildFrameClassName + : wxMDIChildFrameClassNameNoRedraw; + mcs.szTitle = title.wx_str(); mcs.hOwner = wxGetInstance(); - if (x > -1) + if (x != wxDefaultCoord) mcs.x = x; else mcs.x = CW_USEDEFAULT; - if (y > -1) + if (y != wxDefaultCoord) mcs.y = y; else mcs.y = CW_USEDEFAULT; - if (width > -1) + if (width != wxDefaultCoord) mcs.cx = width; else mcs.cx = CW_USEDEFAULT; - if (height > -1) + if (height != wxDefaultCoord) mcs.cy = height; else mcs.cy = CW_USEDEFAULT; @@ -669,7 +738,7 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent, msflags |= WS_MINIMIZEBOX; if (style & wxMAXIMIZE_BOX) msflags |= WS_MAXIMIZEBOX; - if (style & wxTHICK_FRAME) + if (style & wxRESIZE_BORDER) msflags |= WS_THICKFRAME; if (style & wxSYSTEM_MENU) msflags |= WS_SYSMENU; @@ -684,30 +753,67 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent, mcs.lParam = 0; - DWORD Return = SendMessage(GetWinHwnd(parent->GetClientWindow()), - WM_MDICREATE, 0, (LONG)(LPSTR)&mcs); + wxWindowCreationHook hook(this); - //handle = (HWND)LOWORD(Return); - // Must be the DWORRD for WIN32. And in 16 bits, HIWORD=0 (says Microsoft) - m_hWnd = (WXHWND)Return; + m_hWnd = (WXHWND)::SendMessage(GetWinHwnd(parent->GetClientWindow()), + WM_MDICREATE, 0, (LONG)(LPSTR)&mcs); - wxWndHook = NULL; - wxAssociateWinWithHandle((HWND) GetHWND(), this); + if ( !m_hWnd ) + { + wxLogLastError(_T("WM_MDICREATE")); + return false; + } - // VZ: what's this? an act of piracy? - //SetWindowLong(GetHwnd(), 0, (long)this); + SubclassWin(m_hWnd); - wxModelessWindows.Append(this); - return TRUE; + return true; } wxMDIChildFrame::~wxMDIChildFrame() { + // if we hadn't been created, there is nothing to destroy + if ( !m_hWnd ) + return; + + // will be destroyed by DestroyChildren() but reset them before calling it + // to avoid using dangling pointers if a callback comes in the meanwhile +#if wxUSE_TOOLBAR + m_frameToolBar = NULL; +#endif +#if wxUSE_STATUSBAR + m_frameStatusBar = NULL; +#endif // wxUSE_STATUSBAR + + DestroyChildren(); + + RemoveWindowMenu(NULL, m_hMenu); + MSWDestroyWindow(); } +bool wxMDIChildFrame::Show(bool show) +{ + m_needsInitialShow = false; + + if (!wxFrame::Show(show)) + return false; + + // KH: Without this call, new MDI children do not become active. + // This was added here after the same BringWindowToTop call was + // removed from wxTopLevelWindow::Show (November 2005) + if ( show ) + ::BringWindowToTop(GetHwnd()); + + // we need to refresh the MDI frame window menu to include (or exclude if + // we've been hidden) this frame + wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent(); + MDISetMenu(parent->GetClientWindow(), NULL, NULL); + + return true; +} + // Set the client size (i.e. leave the calculation of borders etc. -// to wxWindows) +// to wxWidgets) void wxMDIChildFrame::DoSetClientSize(int width, int height) { HWND hWnd = GetHwnd(); @@ -724,12 +830,14 @@ void wxMDIChildFrame::DoSetClientSize(int width, int height) int actual_width = rect2.right - rect2.left - rect.right + width; int actual_height = rect2.bottom - rect2.top - rect.bottom + height; +#if wxUSE_STATUSBAR if (GetStatusBar() && GetStatusBar()->IsShown()) { int sx, sy; GetStatusBar()->GetSize(&sx, &sy); actual_height += sy; } +#endif // wxUSE_STATUSBAR POINT point; point.x = rect2.left; @@ -740,13 +848,29 @@ void wxMDIChildFrame::DoSetClientSize(int width, int height) wxMDIParentFrame *mdiParent = (wxMDIParentFrame *)GetParent(); ::ScreenToClient((HWND) mdiParent->GetClientWindow()->GetHWND(), &point); - MoveWindow(hWnd, point.x, point.y, actual_width, actual_height, (BOOL)TRUE); + MoveWindow(hWnd, point.x, point.y, actual_width, actual_height, (BOOL)true); - wxSizeEvent event(wxSize(width, height), m_windowId); + wxSize size(width, height); + wxSizeEvent event(size, m_windowId); event.SetEventObject( this ); GetEventHandler()->ProcessEvent(event); } +// Unlike other wxTopLevelWindowBase, the mdi child's "GetPosition" is not the +// same as its GetScreenPosition +void wxMDIChildFrame::DoGetScreenPosition(int *x, int *y) const +{ + HWND hWnd = GetHwnd(); + + RECT rect; + ::GetWindowRect(hWnd, &rect); + if (x) + *x = rect.left; + if (y) + *y = rect.top; +} + + void wxMDIChildFrame::DoGetPosition(int *x, int *y) const { RECT rect; @@ -760,22 +884,32 @@ void wxMDIChildFrame::DoGetPosition(int *x, int *y) const wxMDIParentFrame *mdiParent = (wxMDIParentFrame *)GetParent(); ::ScreenToClient((HWND) mdiParent->GetClientWindow()->GetHWND(), &point); - *x = point.x; - *y = point.y; + if (x) + *x = point.x; + if (y) + *y = point.y; } void wxMDIChildFrame::InternalSetMenuBar() { wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent(); - // HMENU subMenu = GetSubMenu((HMENU)parent->GetWindowMenu(), 0); - HMENU subMenu = (HMENU) 0; - if (parent->GetWindowMenu()) - subMenu = (HMENU) parent->GetWindowMenu()->GetHMenu(); + InsertWindowMenu(parent->GetClientWindow(), + m_hMenu, GetMDIWindowMenu(parent)); + + parent->m_parentFrameActive = false; +} - InsertWindowMenu(parent->GetClientWindow(), m_hMenu, subMenu); +void wxMDIChildFrame::DetachMenuBar() +{ + RemoveWindowMenu(NULL, m_hMenu); + wxFrame::DetachMenuBar(); +} - parent->m_parentFrameActive = FALSE; +WXHICON wxMDIChildFrame::GetDefaultIcon() const +{ + // we don't have any standard icons (any more) + return (WXHICON)0; } // --------------------------------------------------------------------------- @@ -817,12 +951,12 @@ void wxMDIChildFrame::Activate() // MDI window proc and message handlers // --------------------------------------------------------------------------- -long wxMDIChildFrame::MSWWindowProc(WXUINT message, +WXLRESULT wxMDIChildFrame::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam) { - long rc = 0; - bool processed = FALSE; + WXLRESULT rc = 0; + bool processed = false; switch ( message ) { @@ -838,10 +972,8 @@ long wxMDIChildFrame::MSWWindowProc(WXUINT message, break; case WM_GETMINMAXINFO: - // let the default window proc calculate the size of MDI children - // frames because it is based on the size of the MDI client window, - // not on the values specified in wxWindow m_min/max variables - return MSWDefWindowProc(message, wParam, lParam); + processed = HandleGetMinMaxInfo((MINMAXINFO *)lParam); + break; case WM_MDIACTIVATE: { @@ -881,51 +1013,6 @@ long wxMDIChildFrame::MSWWindowProc(WXUINT message, return rc; } -bool wxMDIChildFrame::HandleSize(int x, int y, WXUINT id) -{ - HWND hwnd = GetHwnd(); - - if ( !hwnd || hwnd == invalidHandle ) - { - return FALSE; - } - - switch (id) - { - case SIZEFULLSCREEN: - case SIZENORMAL: - m_iconized = FALSE; - break; - - case SIZEICONIC: - m_iconized = TRUE; - break; - } - - if ( !m_iconized ) - { - // forward WM_SIZE to status bar control -#if wxUSE_NATIVE_STATUSBAR - if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95))) - { - wxSizeEvent event(wxSize(x, y), m_frameStatusBar->GetId()); - event.SetEventObject( m_frameStatusBar ); - - ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event); - } -#endif // wxUSE_NATIVE_STATUSBAR - - PositionStatusBar(); - PositionToolBar(); - - return wxWindow::HandleSize(x, y, id); - } - else - { - return FALSE; - } -} - bool wxMDIChildFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd) { // In case it's e.g. a toolbar. @@ -941,18 +1028,20 @@ bool wxMDIChildFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd) wxMenu *popupMenu = wxCurrentPopupMenu; wxCurrentPopupMenu = NULL; if (popupMenu->MSWCommand(cmd, id)) - return TRUE; + return true; } + bool processed; if (GetMenuBar() && GetMenuBar()->FindItem(id)) { - ProcessCommand(id); - return TRUE; + processed = ProcessCommand(id); } else - return FALSE; + { + processed = false; + } - return TRUE; + return processed; } bool wxMDIChildFrame::HandleMDIActivate(long WXUNUSED(activate), @@ -967,13 +1056,13 @@ bool wxMDIChildFrame::HandleMDIActivate(long WXUNUSED(activate), if ( m_hWnd == hwndAct ) { - activated = TRUE; + activated = true; parent->m_currentChild = this; HMENU child_menu = (HMENU)GetWinMenu(); if ( child_menu ) { - parent->m_parentFrameActive = FALSE; + parent->m_parentFrameActive = false; menuToSet = child_menu; } @@ -983,13 +1072,16 @@ bool wxMDIChildFrame::HandleMDIActivate(long WXUNUSED(activate), wxASSERT_MSG( parent->m_currentChild == this, wxT("can't deactivate MDI child which wasn't active!") ); - activated = FALSE; + activated = false; parent->m_currentChild = NULL; HMENU parent_menu = (HMENU)parent->GetWinMenu(); - if ( parent_menu ) + + // activate the the parent menu only when there is no other child + // that has been activated + if ( parent_menu && !hwndAct ) { - parent->m_parentFrameActive = TRUE; + parent->m_parentFrameActive = true; menuToSet = parent_menu; } @@ -997,28 +1089,27 @@ bool wxMDIChildFrame::HandleMDIActivate(long WXUNUSED(activate), else { // we have nothing to do with it - return FALSE; + return false; } if ( menuToSet ) { - HMENU subMenu = (HMENU) 0; - if (parent->GetWindowMenu()) - subMenu = (HMENU) parent->GetWindowMenu()->GetHMenu(); - - MDISetMenu(parent->GetClientWindow(), menuToSet, subMenu); + MDISetMenu(parent->GetClientWindow(), + menuToSet, GetMDIWindowMenu(parent)); } wxActivateEvent event(wxEVT_ACTIVATE, activated, m_windowId); event.SetEventObject( this ); + ResetWindowStyle((void *)NULL); + return GetEventHandler()->ProcessEvent(event); } bool wxMDIChildFrame::HandleWindowPosChanging(void *pos) { WINDOWPOS *lpPos = (WINDOWPOS *)pos; -#if defined(__WIN95__) + if (!(lpPos->flags & SWP_NOSIZE)) { RECT rectClient; @@ -1026,28 +1117,52 @@ bool wxMDIChildFrame::HandleWindowPosChanging(void *pos) DWORD dwStyle = ::GetWindowLong(GetHwnd(), GWL_STYLE); if (ResetWindowStyle((void *) & rectClient) && (dwStyle & WS_MAXIMIZE)) { - ::AdjustWindowRectEx(&rectClient, dwStyle, FALSE, dwExStyle); + ::AdjustWindowRectEx(&rectClient, dwStyle, false, dwExStyle); lpPos->x = rectClient.left; lpPos->y = rectClient.top; lpPos->cx = rectClient.right - rectClient.left; lpPos->cy = rectClient.bottom - rectClient.top; } - wxMDIParentFrame* pFrameWnd = (wxMDIParentFrame *)GetParent(); - if (pFrameWnd && pFrameWnd->GetToolBar() && pFrameWnd->GetToolBar()->IsShown()) - { - pFrameWnd->GetToolBar()->Refresh(); - } } -#endif // Win95 - return FALSE; + return false; +} + +bool wxMDIChildFrame::HandleGetMinMaxInfo(void *mmInfo) +{ + MINMAXINFO *info = (MINMAXINFO *)mmInfo; + + // let the default window proc calculate the size of MDI children + // frames because it is based on the size of the MDI client window, + // not on the values specified in wxWindow m_max variables + bool processed = MSWDefWindowProc(WM_GETMINMAXINFO, 0, (LPARAM)mmInfo) != 0; + + int minWidth = GetMinWidth(), + minHeight = GetMinHeight(); + + // but allow GetSizeHints() to set the min size + if ( minWidth != wxDefaultCoord ) + { + info->ptMinTrackSize.x = minWidth; + + processed = true; + } + + if ( minHeight != wxDefaultCoord ) + { + info->ptMinTrackSize.y = minHeight; + + processed = true; + } + + return processed; } // --------------------------------------------------------------------------- // MDI specific message translation/preprocessing // --------------------------------------------------------------------------- -long wxMDIChildFrame::MSWDefWindowProc(WXUINT message, WXUINT wParam, WXLPARAM lParam) +WXLRESULT wxMDIChildFrame::MSWDefWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam) { return DefMDIChildProc(GetHwnd(), (UINT)message, (WPARAM)wParam, (LPARAM)lParam); @@ -1055,7 +1170,9 @@ long wxMDIChildFrame::MSWDefWindowProc(WXUINT message, WXUINT wParam, WXLPARAM l bool wxMDIChildFrame::MSWTranslateMessage(WXMSG* msg) { - return m_acceleratorTable.Translate(GetParent(), msg); + // we must pass the parent frame to ::TranslateAccelerator(), otherwise it + // doesn't do its job correctly for MDI child menus + return MSWDoTranslateMessage((wxMDIChildFrame *)GetParent(), msg); } // --------------------------------------------------------------------------- @@ -1064,9 +1181,6 @@ bool wxMDIChildFrame::MSWTranslateMessage(WXMSG* msg) void wxMDIChildFrame::MSWDestroyWindow() { - MSWDetachWindowMenu(); - invalidHandle = GetHwnd(); - wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent(); // Must make sure this handle is invalidated (set to NULL) since all sorts @@ -1080,13 +1194,12 @@ void wxMDIChildFrame::MSWDestroyWindow() if (parent->GetActiveChild() == (wxMDIChildFrame*) NULL) ResetWindowStyle((void*) NULL); - invalidHandle = 0; - if (m_hMenu) { ::DestroyMenu((HMENU) m_hMenu); m_hMenu = 0; } + wxRemoveHandleAssociation(this); m_hWnd = 0; } @@ -1094,38 +1207,43 @@ void wxMDIChildFrame::MSWDestroyWindow() // style when a child is maximised (a double border looks silly.) bool wxMDIChildFrame::ResetWindowStyle(void *vrect) { -#if defined(__WIN95__) RECT *rect = (RECT *)vrect; wxMDIParentFrame* pFrameWnd = (wxMDIParentFrame *)GetParent(); wxMDIChildFrame* pChild = pFrameWnd->GetActiveChild(); + if (!pChild || (pChild == this)) { - DWORD dwStyle = ::GetWindowLong(GetWinHwnd(pFrameWnd->GetClientWindow()), GWL_EXSTYLE); - DWORD dwThisStyle = ::GetWindowLong(GetHwnd(), GWL_STYLE); + HWND hwndClient = GetWinHwnd(pFrameWnd->GetClientWindow()); + DWORD dwStyle = ::GetWindowLong(hwndClient, GWL_EXSTYLE); + + // we want to test whether there is a maximized child, so just set + // dwThisStyle to 0 if there is no child at all + DWORD dwThisStyle = pChild + ? ::GetWindowLong(GetWinHwnd(pChild), GWL_STYLE) : 0; DWORD dwNewStyle = dwStyle; - if (pChild != NULL && (dwThisStyle & WS_MAXIMIZE)) + if ( dwThisStyle & WS_MAXIMIZE ) dwNewStyle &= ~(WS_EX_CLIENTEDGE); else dwNewStyle |= WS_EX_CLIENTEDGE; if (dwStyle != dwNewStyle) { - HWND hwnd = GetWinHwnd(pFrameWnd->GetClientWindow()); - ::RedrawWindow(hwnd, NULL, NULL, RDW_INVALIDATE | RDW_ALLCHILDREN); - ::SetWindowLong(hwnd, GWL_EXSTYLE, dwNewStyle); - ::SetWindowPos(hwnd, NULL, 0, 0, 0, 0, + // force update of everything + ::RedrawWindow(hwndClient, NULL, NULL, + RDW_INVALIDATE | RDW_ALLCHILDREN); + ::SetWindowLong(hwndClient, GWL_EXSTYLE, dwNewStyle); + ::SetWindowPos(hwndClient, NULL, 0, 0, 0, 0, SWP_FRAMECHANGED | SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOCOPYBITS); if (rect) - ::GetClientRect(hwnd, rect); + ::GetClientRect(hwndClient, rect); - return TRUE; + return true; } } -#endif // Win95 - return FALSE; + return false; } // =========================================================================== @@ -1135,30 +1253,26 @@ bool wxMDIChildFrame::ResetWindowStyle(void *vrect) bool wxMDIClientWindow::CreateClient(wxMDIParentFrame *parent, long style) { - m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE); + m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE); CLIENTCREATESTRUCT ccs; m_windowStyle = style; m_parent = parent; - ccs.hWindowMenu = (HMENU) 0; - if (parent->GetWindowMenu()) - ccs.hWindowMenu = (HMENU) parent->GetWindowMenu()->GetHMenu(); + ccs.hWindowMenu = GetMDIWindowMenu(parent); ccs.idFirstChild = wxFIRST_MDI_CHILD; - DWORD msStyle = WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN; + DWORD msStyle = MDIS_ALLCHILDSTYLES | WS_VISIBLE | WS_CHILD | + WS_CLIPCHILDREN | WS_CLIPSIBLINGS; + if ( style & wxHSCROLL ) msStyle |= WS_HSCROLL; if ( style & wxVSCROLL ) msStyle |= WS_VSCROLL; -#if defined(__WIN95__) DWORD exStyle = WS_EX_CLIENTEDGE; -#else - DWORD exStyle = 0; -#endif - wxWndHook = this; + wxWindowCreationHook hook(this); m_hWnd = (WXHWND)::CreateWindowEx ( exStyle, @@ -1172,15 +1286,14 @@ bool wxMDIClientWindow::CreateClient(wxMDIParentFrame *parent, long style) (LPSTR)(LPCLIENTCREATESTRUCT)&ccs); if ( !m_hWnd ) { - wxLogLastError("CreateWindowEx(MDI client)"); + wxLogLastError(wxT("CreateWindowEx(MDI client)")); - return FALSE; + return false; } SubclassWin(m_hWnd); - wxWndHook = NULL; - return TRUE; + return true; } // Explicitly call default scroll behaviour @@ -1200,23 +1313,95 @@ void wxMDIClientWindow::OnScroll(wxScrollEvent& event) event.Skip(); } +void wxMDIClientWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags) +{ + // Try to fix a problem whereby if you show an MDI child frame, then reposition the + // client area, you can end up with a non-refreshed portion in the client window + // (see OGL studio sample). So check if the position is changed and if so, + // redraw the MDI child frames. + + const wxPoint oldPos = GetPosition(); + + wxWindow::DoSetSize(x, y, width, height, sizeFlags | wxSIZE_FORCE); + + const wxPoint newPos = GetPosition(); + + if ((newPos.x != oldPos.x) || (newPos.y != oldPos.y)) + { + if (GetParent()) + { + wxWindowList::compatibility_iterator node = GetParent()->GetChildren().GetFirst(); + while (node) + { + wxWindow *child = node->GetData(); + if (child->IsKindOf(CLASSINFO(wxMDIChildFrame))) + { + ::RedrawWindow(GetHwndOf(child), + NULL, + NULL, + RDW_FRAME | + RDW_ALLCHILDREN | + RDW_INVALIDATE); + } + node = node->GetNext(); + } + } + } +} + +void wxMDIChildFrame::OnIdle(wxIdleEvent& event) +{ + // wxMSW prior to 2.5.3 created MDI child frames as visible, which resulted + // in flicker e.g. when the frame contained controls with non-trivial + // layout. Since 2.5.3, the frame is created hidden as all other top level + // windows. In order to maintain backward compatibility, the frame is shown + // in OnIdle, unless Show(false) was called by the programmer before. + if ( m_needsInitialShow ) + { + Show(true); + } + + // MDI child frames get their WM_SIZE when they're constructed but at this + // moment they don't have any children yet so all child windows will be + // positioned incorrectly when they are added later - to fix this, we + // generate an artificial size event here + if ( m_needsResize ) + { + m_needsResize = false; // avoid any possibility of recursion + + SendSizeEvent(); + } + + event.Skip(); +} + // --------------------------------------------------------------------------- // non member functions // --------------------------------------------------------------------------- static void MDISetMenu(wxWindow *win, HMENU hmenuFrame, HMENU hmenuWindow) { - ::SendMessage(GetWinHwnd(win), WM_MDISETMENU, -#ifdef __WIN32__ - (WPARAM)hmenuFrame, (LPARAM)hmenuWindow); -#else - 0, MAKELPARAM(hmenuFrame, hmenuWindow)); -#endif + if ( hmenuFrame || hmenuWindow ) + { + if ( !::SendMessage(GetWinHwnd(win), + WM_MDISETMENU, + (WPARAM)hmenuFrame, + (LPARAM)hmenuWindow) ) + { +#ifdef __WXDEBUG__ + DWORD err = ::GetLastError(); + if ( err ) + wxLogApiError(_T("SendMessage(WM_MDISETMENU)"), err); +#endif // __WXDEBUG__ + } + } // update menu bar of the parent window wxWindow *parent = win->GetParent(); wxCHECK_RET( parent, wxT("MDI client without parent frame? weird...") ); + ::SendMessage(GetWinHwnd(win), WM_MDIREFRESHMENU, 0, 0L); + ::DrawMenuBar(GetWinHwnd(parent)); } @@ -1227,76 +1412,86 @@ static void InsertWindowMenu(wxWindow *win, WXHMENU menu, HMENU subMenu) if (subMenu) { - int N = GetMenuItemCount(hmenu); - bool success = FALSE; - for ( int i = 0; i < N; i++ ) - { - wxChar buf[256]; - int chars = GetMenuString(hmenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION); - if ( chars == 0 ) + int N = GetMenuItemCount(hmenu); + bool success = false; + for ( int i = 0; i < N; i++ ) { - wxLogLastError(wxT("GetMenuString")); + wxChar buf[256]; + int chars = GetMenuString(hmenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION); + if ( chars == 0 ) + { + wxLogLastError(wxT("GetMenuString")); - continue; + continue; + } + + wxString strBuf(buf); + if ( wxStripMenuCodes(strBuf) == wxGetStockLabel(wxID_HELP,false) ) + { + success = true; + ::InsertMenu(hmenu, i, MF_BYPOSITION | MF_POPUP | MF_STRING, + (UINT)subMenu, _("&Window").wx_str()); + break; + } } - if ( wxStripMenuCodes(wxString(buf)).IsSameAs(wxT("Help")) ) + if ( !success ) { - success = TRUE; - ::InsertMenu(hmenu, i, MF_BYPOSITION | MF_POPUP | MF_STRING, - (UINT)subMenu, wxT("&Window")); - break; + ::AppendMenu(hmenu, MF_POPUP, (UINT)subMenu, _("&Window").wx_str()); } } - if ( !success ) - { - ::AppendMenu(hmenu, MF_POPUP, (UINT)subMenu, wxT("&Window")); - } - } - MDISetMenu(win, hmenu, subMenu); } static void RemoveWindowMenu(wxWindow *win, WXHMENU menu) { - // Try to insert Window menu in front of Help, otherwise append it. - HMENU hmenu = (HMENU)menu; - int N = GetMenuItemCount(hmenu); - bool success = FALSE; - for ( int i = 0; i < N; i++ ) + HMENU hMenu = (HMENU)menu; + + if ( hMenu ) { - wxChar buf[256]; - int chars = GetMenuString(hmenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION); - if ( chars == 0 ) + wxChar buf[1024]; + + int N = ::GetMenuItemCount(hMenu); + for ( int i = 0; i < N; i++ ) { - wxLogLastError(wxT("GetMenuString")); + if ( !::GetMenuString(hMenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION) ) + { + // Ignore successful read of menu string with length 0 which + // occurs, for example, for a maximized MDI childs system menu + if ( ::GetLastError() != 0 ) + { + wxLogLastError(wxT("GetMenuString")); + } - continue; - } + continue; + } - if ( wxStripMenuCodes(wxString(buf)).IsSameAs(wxT("Window")) ) - { - success = TRUE; - ::RemoveMenu(hmenu, i, MF_BYPOSITION); - break; + if ( wxStrcmp(buf, _("&Window")) == 0 ) + { + if ( !::RemoveMenu(hMenu, i, MF_BYPOSITION) ) + { + wxLogLastError(wxT("RemoveMenu")); + } + + break; + } } } - // Does passing 0 for the window menu really work with WM_MDISETMENU? - MDISetMenu(win, hmenu, 0); + if ( win ) + { + // we don't change the windows menu, but we update the main one + MDISetMenu(win, hMenu, NULL); + } } static void UnpackMDIActivate(WXWPARAM wParam, WXLPARAM lParam, WXWORD *activate, WXHWND *hwndAct, WXHWND *hwndDeact) { -#ifdef __WIN32__ - *activate = TRUE; + *activate = true; *hwndAct = (WXHWND)lParam; *hwndDeact = (WXHWND)wParam; -#else // Win16 - *activate = (WXWORD)wParam; - *hwndAct = (WXHWND)LOWORD(lParam); - *hwndDeact = (WXHWND)HIWORD(lParam); -#endif // Win32/Win16 } + +#endif // wxUSE_MDI && !defined(__WXUNIVERSAL__)