// Name: src/msw/mdi.cpp
// Purpose: MDI classes for wxMSW
// Author: Julian Smart
-// Modified by:
+// Modified by: Vadim Zeitlin on 2008-11-04 to use the base classes
// Created: 04/01/98
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart
+// Copyright: (c) 1998 Julian Smart
+// (c) 2008-2009 Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// headers
// ---------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "mdi.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#pragma hdrstop
#endif
-#if wxUSE_MDI_ARCHITECTURE && !defined(__WXUNIVERSAL__)
+#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 <string.h>
// ---------------------------------------------------------------------------
extern wxMenu *wxCurrentPopupMenu;
-extern const wxChar *wxMDIFrameClassName; // from app.cpp
-extern const wxChar *wxMDIChildFrameClassName;
-extern const wxChar *wxMDIChildFrameClassNameNoRedraw;
-extern void wxAssociateWinWithHandle(HWND hWnd, wxWindow *win);
extern void wxRemoveHandleAssociation(wxWindow *win);
-static HWND invalidHandle = 0;
+namespace
+{
// ---------------------------------------------------------------------------
// 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;
+const int wxFIRST_MDI_CHILD = 4100;
+const int wxLAST_MDI_CHILD = 4600;
-// Status border dimensions
-static const int wxTHICK_LINE_BORDER = 3;
-static const int wxTHICK_LINE_WIDTH = 1;
+// The MDI "Window" menu label
+const char *WINDOW_MENU_LABEL = gettext_noop("&Window");
// ---------------------------------------------------------------------------
// private functions
// set the MDI menus (by sending the WM_MDISETMENU message) and update the menu
// of the parent of win (which is supposed to be the MDI client window)
-static void MDISetMenu(wxWindow *win, HMENU hmenuFrame, HMENU hmenuWindow);
+void MDISetMenu(wxWindow *win, HMENU hmenuFrame, HMENU hmenuWindow);
// insert the window menu (subMenu) into menu just before "Help" submenu or at
// the very end if not found
-static void InsertWindowMenu(wxWindow *win, WXHMENU menu, HMENU subMenu);
+void MDIInsertWindowMenu(wxWindow *win, WXHMENU hMenu, HMENU subMenu);
// Remove the window menu
-static void RemoveWindowMenu(wxWindow *win, WXHMENU menu);
-
-// is this an id of an MDI child?
-inline bool IsMdiCommandId(int id)
-{
- return (id >= wxFIRST_MDI_CHILD) && (id <= wxLAST_MDI_CHILD);
-}
+void MDIRemoveWindowMenu(wxWindow *win, WXHMENU hMenu);
// unpack the parameters of WM_MDIACTIVATE message
-static void UnpackMDIActivate(WXWPARAM wParam, WXLPARAM lParam,
- WXWORD *activate, WXHWND *hwndAct, WXHWND *hwndDeact);
+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)
+//
+// this function works correctly even when we don't have a window menu and just
+// returns 0 then
+inline HMENU GetMDIWindowMenu(wxMDIParentFrame *frame)
{
wxMenu *menu = frame->GetWindowMenu();
return menu ? GetHmenuOf(menu) : 0;
}
+} // anonymous namespace
+
// ===========================================================================
// implementation
// ===========================================================================
BEGIN_EVENT_TABLE(wxMDIParentFrame, wxFrame)
EVT_SIZE(wxMDIParentFrame::OnSize)
+ EVT_ICONIZE(wxMDIParentFrame::OnIconized)
EVT_SYS_COLOUR_CHANGED(wxMDIParentFrame::OnSysColourChanged)
+
+#if wxUSE_MENUS
+ EVT_MENU_RANGE(wxFIRST_MDI_CHILD, wxLAST_MDI_CHILD,
+ wxMDIParentFrame::OnMDIChild)
+ EVT_MENU_RANGE(wxID_MDI_WINDOW_FIRST, wxID_MDI_WINDOW_LAST,
+ wxMDIParentFrame::OnMDICommand)
+#endif // wxUSE_MENUS
END_EVENT_TABLE()
BEGIN_EVENT_TABLE(wxMDIChildFrame, wxFrame)
// the children
// ===========================================================================
-wxMDIParentFrame::wxMDIParentFrame()
-{
- m_clientWindow = NULL;
- m_currentChild = NULL;
- m_windowMenu = (wxMenu*) NULL;
- m_parentFrameActive = true;
-}
-
bool wxMDIParentFrame::Create(wxWindow *parent,
wxWindowID id,
const wxString& title,
long style,
const wxString& name)
{
- m_clientWindow = NULL;
- m_currentChild = NULL;
-
// 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
+ if ( !(style & wxFRAME_NO_WINDOW_MENU) )
{
+ // normal case: we have the window menu, so construct it
m_windowMenu = new wxMenu;
- m_windowMenu->Append(IDM_WINDOWCASCADE, _("&Cascade"));
- m_windowMenu->Append(IDM_WINDOWTILEHOR, _("Tile &Horizontally"));
- m_windowMenu->Append(IDM_WINDOWTILEVERT, _("Tile &Vertically"));
+ m_windowMenu->Append(wxID_MDI_WINDOW_CASCADE, _("&Cascade"));
+ m_windowMenu->Append(wxID_MDI_WINDOW_TILE_HORZ, _("Tile &Horizontally"));
+ m_windowMenu->Append(wxID_MDI_WINDOW_TILE_VERT, _("Tile &Vertically"));
m_windowMenu->AppendSeparator();
- m_windowMenu->Append(IDM_WINDOWICONS, _("&Arrange Icons"));
- m_windowMenu->Append(IDM_WINDOWNEXT, _("&Next"));
- m_windowMenu->Append(IDM_WINDOWPREV, _("&Previous"));
+ m_windowMenu->Append(wxID_MDI_WINDOW_ARRANGE_ICONS, _("&Arrange Icons"));
+ m_windowMenu->Append(wxID_MDI_WINDOW_NEXT, _("&Next"));
+ m_windowMenu->Append(wxID_MDI_WINDOW_PREV, _("&Previous"));
}
- m_parentFrameActive = true;
+#if wxUSE_MENUS && wxUSE_ACCEL
+ // the default menu doesn't have any accelerators (even if we have it)
+ m_accelWindowMenu = NULL;
+#endif // wxUSE_MENUS && wxUSE_ACCEL
if (!parent)
wxTopLevelWindows.Append(this);
if ( parent )
parent->AddChild(this);
- if ( id > -1 )
+ if ( id != wxID_ANY )
m_windowId = id;
else
m_windowId = NewControlId();
msflags &= ~WS_VSCROLL;
msflags &= ~WS_HSCROLL;
- if ( !wxWindow::MSWCreate(wxMDIFrameClassName,
- title,
+ if ( !wxWindow::MSWCreate(wxApp::GetRegisteredClassName(_T("wxMDIFrame")),
+ title.wx_str(),
pos, size,
msflags,
exflags) )
return false;
}
+ SetOwnBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
+
// unlike (almost?) all other windows, frames are created hidden
m_isShown = false;
#if wxUSE_TOOLBAR
m_frameToolBar = NULL;
#endif
+#if wxUSE_STATUSBAR
m_frameStatusBar = NULL;
+#endif // wxUSE_STATUSBAR
- DestroyChildren();
+#if wxUSE_MENUS && wxUSE_ACCEL
+ delete m_accelWindowMenu;
+#endif // wxUSE_MENUS && wxUSE_ACCEL
- if (m_windowMenu)
- {
- delete m_windowMenu;
- m_windowMenu = (wxMenu*) NULL;
- }
+ DestroyChildren();
// 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 )
{
}
}
+// ----------------------------------------------------------------------------
+// wxMDIParentFrame child management
+// ----------------------------------------------------------------------------
+
+wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const
+{
+ HWND hWnd = (HWND)::SendMessage(GetWinHwnd(GetClientWindow()),
+ WM_MDIGETACTIVE, 0, 0L);
+ if ( !hWnd )
+ return NULL;
+
+ return static_cast<wxMDIChildFrame *>(wxFindWinFromHandle(hWnd));
+}
+
+int wxMDIParentFrame::GetChildFramesCount() const
+{
+ int count = 0;
+ for ( wxWindowList::const_iterator i = GetChildren().begin();
+ i != GetChildren().end();
+ ++i )
+ {
+ if ( wxDynamicCast(*i, wxMDIChildFrame) )
+ count++;
+ }
+
+ return count;
+}
+
+#if wxUSE_MENUS
+
+void wxMDIParentFrame::AddMDIChild(wxMDIChildFrame * WXUNUSED(child))
+{
+ switch ( GetChildFramesCount() )
+ {
+ case 1:
+ // first MDI child was just added, we need to insert the window
+ // menu now if we have it
+ AddWindowMenu();
+
+ // and disable the items which can't be used until we have more
+ // than one child
+ UpdateWindowMenu(false);
+ break;
+
+ case 2:
+ // second MDI child was added, enable the menu items which were
+ // disabled because they didn't make sense for a single window
+ UpdateWindowMenu(true);
+ break;
+ }
+}
+
+void wxMDIParentFrame::RemoveMDIChild(wxMDIChildFrame * WXUNUSED(child))
+{
+ switch ( GetChildFramesCount() )
+ {
+ case 1:
+ // last MDI child is being removed, remove the now unnecessary
+ // window menu too
+ RemoveWindowMenu();
+
+ // there is no need to call UpdateWindowMenu(true) here so this is
+ // not quite symmetric to AddMDIChild() above
+ break;
+
+ case 2:
+ // only one MDI child is going to remain, disable the menu commands
+ // which don't make sense for a single child window
+ UpdateWindowMenu(false);
+ break;
+ }
+}
+
+// ----------------------------------------------------------------------------
+// wxMDIParentFrame window menu handling
+// ----------------------------------------------------------------------------
+
+void wxMDIParentFrame::AddWindowMenu()
+{
+ if ( m_windowMenu )
+ MDIInsertWindowMenu(GetClientWindow(), m_hMenu, GetMDIWindowMenu(this));
+}
+
+void wxMDIParentFrame::RemoveWindowMenu()
+{
+ if ( m_windowMenu )
+ MDIRemoveWindowMenu(GetClientWindow(), m_hMenu);
+}
+
+void wxMDIParentFrame::UpdateWindowMenu(bool enable)
+{
+ if ( m_windowMenu )
+ {
+ m_windowMenu->Enable(wxID_MDI_WINDOW_NEXT, enable);
+ m_windowMenu->Enable(wxID_MDI_WINDOW_PREV, enable);
+ }
+}
+
#if wxUSE_MENUS_NATIVE
void wxMDIParentFrame::InternalSetMenuBar()
{
- m_parentFrameActive = true;
-
- InsertWindowMenu(GetClientWindow(), m_hMenu, GetMDIWindowMenu(this));
+ if ( GetActiveChild() )
+ {
+ AddWindowMenu();
+ }
+ else // we don't have any MDI children yet
+ {
+ // wait until we do to add the window menu but do set the main menu for
+ // now (this is done by AddWindowMenu() as a side effect)
+ MDISetMenu(GetClientWindow(), (HMENU)m_hMenu, NULL);
+ }
}
#endif // wxUSE_MENUS_NATIVE
void wxMDIParentFrame::SetWindowMenu(wxMenu* menu)
{
- if (m_windowMenu)
+ if ( menu != m_windowMenu )
{
- if (GetMenuBar())
- {
- // Remove old window menu
- RemoveWindowMenu(GetClientWindow(), m_hMenu);
- }
+ // notice that Remove/AddWindowMenu() are safe to call even when
+ // m_windowMenu is NULL
+ RemoveWindowMenu();
delete m_windowMenu;
- m_windowMenu = (wxMenu*) NULL;
+
+ m_windowMenu = menu;
+
+ AddWindowMenu();
}
- if (menu)
+#if wxUSE_ACCEL
+ delete m_accelWindowMenu;
+ m_accelWindowMenu = NULL;
+
+ if ( menu && menu->HasAccels() )
+ m_accelWindowMenu = menu->CreateAccelTable();
+#endif // wxUSE_ACCEL
+}
+
+// ----------------------------------------------------------------------------
+// wxMDIParentFrame other menu-related stuff
+// ----------------------------------------------------------------------------
+
+void wxMDIParentFrame::DoMenuUpdates(wxMenu* menu)
+{
+ wxMDIChildFrame *child = GetActiveChild();
+ if ( child )
{
- m_windowMenu = menu;
- if (GetMenuBar())
+ wxEvtHandler* source = child->GetEventHandler();
+ wxMenuBar* bar = child->GetMenuBar();
+
+ if (menu)
+ {
+ menu->UpdateUI(source);
+ }
+ else
{
- InsertWindowMenu(GetClientWindow(), m_hMenu,
- GetHmenuOf(m_windowMenu));
+ if ( bar != NULL )
+ {
+ int nCount = bar->GetMenuCount();
+ for (int n = 0; n < nCount; n++)
+ bar->GetMenu(n)->UpdateUI(source);
+ }
}
}
+ else
+ {
+ wxFrameBase::DoMenuUpdates(menu);
+ }
+}
+
+wxMenuItem *wxMDIParentFrame::FindItemInMenuBar(int menuId) const
+{
+ wxMenuItem *item = wxFrame::FindItemInMenuBar(menuId);
+ if ( !item && GetActiveChild() )
+ {
+ item = GetActiveChild()->FindItemInMenuBar(menuId);
+ }
+
+ if ( !item && m_windowMenu )
+ item = m_windowMenu->FindItem(menuId);
+
+ return item;
+}
+
+WXHMENU wxMDIParentFrame::MSWGetActiveMenu() const
+{
+ wxMDIChildFrame * const child = GetActiveChild();
+ if ( child )
+ {
+ const WXHMENU hmenu = child->MSWGetActiveMenu();
+ if ( hmenu )
+ return hmenu;
+ }
+
+ return wxFrame::MSWGetActiveMenu();
}
-void wxMDIParentFrame::OnSize(wxSizeEvent&)
+#endif // wxUSE_MENUS
+
+// ----------------------------------------------------------------------------
+// wxMDIParentFrame event handling
+// ----------------------------------------------------------------------------
+
+void wxMDIParentFrame::UpdateClientSize()
{
if ( GetClientWindow() )
{
}
}
-// Returns the active MDI child window
-wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const
+void wxMDIParentFrame::OnSize(wxSizeEvent& WXUNUSED(event))
{
- HWND hWnd = (HWND)::SendMessage(GetWinHwnd(GetClientWindow()),
- WM_MDIGETACTIVE, 0, 0L);
- if ( hWnd == 0 )
- return NULL;
- else
- return (wxMDIChildFrame *)wxFindWinFromHandle((WXHWND) hWnd);
+ UpdateClientSize();
+
+ // do not call event.Skip() here, it somehow messes up MDI client window
}
-// Create the client window class (don't Create the window, just return a new
-// class)
-wxMDIClientWindow *wxMDIParentFrame::OnCreateClient()
+void wxMDIParentFrame::OnIconized(wxIconizeEvent& event)
{
- return new wxMDIClientWindow;
+ event.Skip();
+
+ if ( !event.IsIconized() )
+ UpdateClientSize();
}
// Responds to colour changes, and passes event on to children.
::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()
}
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
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:
- // 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;
}
// If this window is an MDI parent, we must also send an OnActivate message
// to the current child.
- if ( (m_currentChild != NULL) &&
+ if ( GetActiveChild() &&
((state == WA_ACTIVE) || (state == WA_CLICKACTIVE)) )
{
- wxActivateEvent event(wxEVT_ACTIVATE, true, m_currentChild->GetId());
- event.SetEventObject( m_currentChild );
- if ( m_currentChild->GetEventHandler()->ProcessEvent(event) )
+ wxActivateEvent event(wxEVT_ACTIVATE, true, GetActiveChild()->GetId());
+ event.SetEventObject( GetActiveChild() );
+ if ( GetActiveChild()->HandleWindowEvent(event) )
processed = true;
}
return processed;
}
-bool wxMDIParentFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd)
+#if wxUSE_MENUS
+
+void wxMDIParentFrame::OnMDIChild(wxCommandEvent& event)
{
- // In case it's e.g. a toolbar.
- if ( hwnd )
+ wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ while ( node )
{
- wxWindow *win = wxFindWinFromHandle(hwnd);
- if ( win )
- return win->MSWCommand(cmd, id);
+ wxWindow *child = node->GetData();
+ if ( child->GetHWND() )
+ {
+ int childId = wxGetWindowId(child->GetHWND());
+ if ( childId == event.GetId() )
+ {
+ ::SendMessage( GetWinHwnd(GetClientWindow()),
+ WM_MDIACTIVATE,
+ (WPARAM)child->GetHWND(), 0);
+ return;
+ }
+ }
+
+ node = node->GetNext();
}
- // is it one of standard MDI commands?
+ wxFAIL_MSG( "unknown MDI child selected?" );
+}
+
+void wxMDIParentFrame::OnMDICommand(wxCommandEvent& event)
+{
WXWPARAM wParam = 0;
WXLPARAM lParam = 0;
int msg;
- switch ( id )
+ switch ( event.GetId() )
{
- case IDM_WINDOWCASCADE:
+ case wxID_MDI_WINDOW_CASCADE:
msg = WM_MDICASCADE;
wParam = MDITILE_SKIPDISABLED;
break;
- case IDM_WINDOWTILEHOR:
+ case wxID_MDI_WINDOW_TILE_HORZ:
wParam |= MDITILE_HORIZONTAL;
// fall through
- case IDM_WINDOWTILEVERT:
+ case wxID_MDI_WINDOW_TILE_VERT:
if ( !wParam )
wParam = MDITILE_VERTICAL;
msg = WM_MDITILE;
wParam |= MDITILE_SKIPDISABLED;
break;
- case IDM_WINDOWICONS:
+ case wxID_MDI_WINDOW_ARRANGE_ICONS:
msg = WM_MDIICONARRANGE;
break;
- case IDM_WINDOWNEXT:
+ case wxID_MDI_WINDOW_NEXT:
msg = WM_MDINEXT;
lParam = 0; // next child
break;
- case IDM_WINDOWPREV:
+ case wxID_MDI_WINDOW_PREV:
msg = WM_MDINEXT;
lParam = 1; // previous child
break;
default:
- msg = 0;
+ wxFAIL_MSG( "unknown MDI command" );
+ return;
}
- if ( msg )
- {
- ::SendMessage(GetWinHwnd(GetClientWindow()), msg, wParam, lParam);
-
- return true;
- }
+ ::SendMessage(GetWinHwnd(GetClientWindow()), msg, wParam, lParam);
+}
- // FIXME VZ: what does this test do??
- if (id >= 0xF000)
- {
- return false; // Get WndProc to call default proc
- }
+#endif // wxUSE_MENUS
- if ( IsMdiCommandId(id) )
- {
- wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
- while ( node )
- {
- wxWindow *child = node->GetData();
- if ( child->GetHWND() )
- {
- long childId = wxGetWindowId(child->GetHWND());
- if (childId == (long)id)
- {
- ::SendMessage( GetWinHwnd(GetClientWindow()),
- WM_MDIACTIVATE,
- (WPARAM)child->GetHWND(), 0);
- return true;
- }
- }
- node = node->GetNext();
- }
- }
- else if ( m_parentFrameActive )
- {
- return ProcessCommand(id);
- }
- else if ( m_currentChild )
- {
- return m_currentChild->HandleCommand(id, cmd, hwnd);
- }
- else
+bool wxMDIParentFrame::TryBefore(wxEvent& event)
+{
+ // menu (and toolbar) events should be sent to the active child frame
+ // first, if any
+ if ( event.GetEventType() == wxEVT_COMMAND_MENU_SELECTED )
{
- // 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?"));
+ wxMDIChildFrame * const child = GetActiveChild();
+ if ( child && child->ProcessEventHere(event) )
+ return true;
}
- return false;
+ return wxMDIParentFrameBase::TryBefore(event);
}
WXLRESULT wxMDIParentFrame::MSWDefWindowProc(WXUINT message,
MSG *pMsg = (MSG *)msg;
// first let the current child get it
- if ( m_currentChild && m_currentChild->GetHWND() &&
- m_currentChild->MSWTranslateMessage(msg) )
+ wxMDIChildFrame * const child = GetActiveChild();
+ if ( child && child->MSWTranslateMessage(msg) )
{
return true;
}
- // then try out accel table (will also check the menu accels)
+ // then try out accelerator table (will also check the accelerators for the
+ // normal menu items)
if ( wxFrame::MSWTranslateMessage(msg) )
{
return true;
}
- // finally, check for MDI specific built in accel keys
+#if wxUSE_MENUS && wxUSE_ACCEL
+ // but it doesn't check for the (custom) accelerators of the window menu
+ // items as it's not part of the menu bar as it's handled by Windows itself
+ // so we need to do this explicitly
+ if ( m_accelWindowMenu && m_accelWindowMenu->Translate(this, msg) )
+ return true;
+#endif // wxUSE_MENUS && wxUSE_ACCEL
+
+ // finally, check for MDI specific built-in accelerators
if ( pMsg->message == WM_KEYDOWN || pMsg->message == WM_SYSKEYDOWN )
{
if ( ::TranslateMDISysAccel(GetWinHwnd(GetClientWindow()), pMsg))
void wxMDIChildFrame::Init()
{
m_needsResize = true;
+ m_needsInitialShow = true;
}
bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
long style,
const wxString& name)
{
+ m_mdiParent = parent;
+
SetName(name);
- wxWindowBase::Show(true); // MDI child frame starts off shown
- if ( id > -1 )
+ if ( id != wxID_ANY )
m_windowId = id;
else
- m_windowId = (int)NewControlId();
+ m_windowId = NewControlId();
if ( parent )
{
MDICREATESTRUCT mcs;
- mcs.szClass = style & wxFULL_REPAINT_ON_RESIZE
- ? wxMDIChildFrameClassName
- : wxMDIChildFrameClassNameNoRedraw;
- mcs.szTitle = title;
+ wxString className =
+ wxApp::GetRegisteredClassName(_T("wxMDIChildFrame"), COLOR_WINDOW);
+ if ( !(style & wxFULL_REPAINT_ON_RESIZE) )
+ className += wxApp::GetNoRedrawClassSuffix();
+
+ mcs.szClass = className.wx_str();
+ 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;
- DWORD msflags = WS_OVERLAPPED | WS_CLIPCHILDREN | WS_VISIBLE ;
+ DWORD msflags = WS_OVERLAPPED | WS_CLIPCHILDREN;
if (style & wxMINIMIZE_BOX)
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;
wxWindowCreationHook hook(this);
m_hWnd = (WXHWND)::SendMessage(GetWinHwnd(parent->GetClientWindow()),
- WM_MDICREATE, 0, (LONG)(LPSTR)&mcs);
+ WM_MDICREATE, 0, (LPARAM)&mcs);
+
+ if ( !m_hWnd )
+ {
+ wxLogLastError(_T("WM_MDICREATE"));
+ return false;
+ }
+
+ SubclassWin(m_hWnd);
- wxAssociateWinWithHandle((HWND) GetHWND(), this);
+ parent->AddMDIChild(this);
return true;
}
wxMDIChildFrame::~wxMDIChildFrame()
{
+ // if we hadn't been created, there is nothing to destroy
+ if ( !m_hWnd )
+ return;
+
+ GetMDIParent()->RemoveMDIChild(this);
+
// 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);
+ MDIRemoveWindowMenu(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 * const parent = GetMDIParent();
+ 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();
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;
// If there's an MDI parent, must subtract the parent's top left corner
// since MoveWindow moves relative to the parent
- wxMDIParentFrame *mdiParent = (wxMDIParentFrame *)GetParent();
- ::ScreenToClient((HWND) mdiParent->GetClientWindow()->GetHWND(), &point);
+ wxMDIParentFrame * const mdiParent = GetMDIParent();
+ ::ScreenToClient(GetHwndOf(mdiParent->GetClientWindow()), &point);
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);
+ HandleWindowEvent(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;
// Since we now have the absolute screen coords,
// if there's a parent we must subtract its top left corner
- wxMDIParentFrame *mdiParent = (wxMDIParentFrame *)GetParent();
- ::ScreenToClient((HWND) mdiParent->GetClientWindow()->GetHWND(), &point);
+ wxMDIParentFrame * const mdiParent = GetMDIParent();
+ ::ScreenToClient(GetHwndOf(mdiParent->GetClientWindow()), &point);
- *x = point.x;
- *y = point.y;
+ if (x)
+ *x = point.x;
+ if (y)
+ *y = point.y;
}
void wxMDIChildFrame::InternalSetMenuBar()
{
- wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
+ wxMDIParentFrame * const parent = GetMDIParent();
- InsertWindowMenu(parent->GetClientWindow(),
+ MDIInsertWindowMenu(parent->GetClientWindow(),
m_hMenu, GetMDIWindowMenu(parent));
+}
- parent->m_parentFrameActive = false;
+void wxMDIChildFrame::DetachMenuBar()
+{
+ MDIRemoveWindowMenu(NULL, m_hMenu);
+ wxFrame::DetachMenuBar();
}
WXHICON wxMDIChildFrame::GetDefaultIcon() const
void wxMDIChildFrame::Maximize(bool maximize)
{
- wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
+ wxMDIParentFrame * const parent = GetMDIParent();
if ( parent && parent->GetClientWindow() )
{
::SendMessage(GetWinHwnd(parent->GetClientWindow()),
void wxMDIChildFrame::Restore()
{
- wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
+ wxMDIParentFrame * const parent = GetMDIParent();
if ( parent && parent->GetClientWindow() )
{
::SendMessage(GetWinHwnd(parent->GetClientWindow()), WM_MDIRESTORE,
void wxMDIChildFrame::Activate()
{
- wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
+ wxMDIParentFrame * const parent = GetMDIParent();
if ( parent && parent->GetClientWindow() )
{
::SendMessage(GetWinHwnd(parent->GetClientWindow()), WM_MDIACTIVATE,
switch ( message )
{
- case WM_COMMAND:
- {
- WORD id, cmd;
- WXHWND hwnd;
- UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam,
- &id, &hwnd, &cmd);
-
- processed = HandleCommand(id, cmd, (WXHWND)hwnd);
- }
- break;
-
case WM_GETMINMAXINFO:
processed = HandleGetMinMaxInfo((MINMAXINFO *)lParam);
break;
return rc;
}
-bool wxMDIChildFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd)
-{
- // In case it's e.g. a toolbar.
- if ( hwnd )
- {
- wxWindow *win = wxFindWinFromHandle(hwnd);
- if (win)
- return win->MSWCommand(cmd, id);
- }
-
- if (wxCurrentPopupMenu)
- {
- wxMenu *popupMenu = wxCurrentPopupMenu;
- wxCurrentPopupMenu = NULL;
- if (popupMenu->MSWCommand(cmd, id))
- return true;
- }
-
- bool processed;
- if (GetMenuBar() && GetMenuBar()->FindItem(id))
- {
- processed = ProcessCommand(id);
- }
- else
- {
- processed = false;
- }
-
- return processed;
-}
-
bool wxMDIChildFrame::HandleMDIActivate(long WXUNUSED(activate),
WXHWND hwndAct,
WXHWND hwndDeact)
{
- wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
+ wxMDIParentFrame * const parent = GetMDIParent();
- HMENU menuToSet = 0;
+ WXHMENU hMenuToSet = 0;
bool activated;
if ( m_hWnd == hwndAct )
{
activated = true;
- parent->m_currentChild = this;
-
- HMENU child_menu = (HMENU)GetWinMenu();
- if ( child_menu )
- {
- parent->m_parentFrameActive = false;
+ parent->SetActiveChild(this);
- menuToSet = child_menu;
- }
+ WXHMENU hMenuChild = m_hMenu;
+ if ( hMenuChild )
+ hMenuToSet = hMenuChild;
}
else if ( m_hWnd == hwndDeact )
{
- wxASSERT_MSG( parent->m_currentChild == this,
+ wxASSERT_MSG( parent->GetActiveChild() == this,
wxT("can't deactivate MDI child which wasn't active!") );
activated = false;
- parent->m_currentChild = NULL;
+ parent->SetActiveChild(NULL);
- HMENU parent_menu = (HMENU)parent->GetWinMenu();
+ WXHMENU hMenuParent = parent->m_hMenu;
// activate the the parent menu only when there is no other child
// that has been activated
- if ( parent_menu && !hwndAct )
- {
- parent->m_parentFrameActive = true;
-
- menuToSet = parent_menu;
- }
+ if ( hMenuParent && !hwndAct )
+ hMenuToSet = hMenuParent;
}
else
{
return false;
}
- if ( menuToSet )
+ if ( hMenuToSet )
{
MDISetMenu(parent->GetClientWindow(),
- menuToSet, GetMDIWindowMenu(parent));
+ (HMENU)hMenuToSet, GetMDIWindowMenu(parent));
}
wxActivateEvent event(wxEVT_ACTIVATE, activated, m_windowId);
event.SetEventObject( this );
- ResetWindowStyle((void *)NULL);
+ ResetWindowStyle(NULL);
- return GetEventHandler()->ProcessEvent(event);
+ return HandleWindowEvent(event);
}
bool wxMDIChildFrame::HandleWindowPosChanging(void *pos)
{
WINDOWPOS *lpPos = (WINDOWPOS *)pos;
-#if defined(__WIN95__)
+
if (!(lpPos->flags & SWP_NOSIZE))
{
RECT rectClient;
lpPos->cx = rectClient.right - rectClient.left;
lpPos->cy = rectClient.bottom - rectClient.top;
}
-#if wxUSE_TOOLBAR
- wxMDIParentFrame* pFrameWnd = (wxMDIParentFrame *)GetParent();
- if (pFrameWnd && pFrameWnd->GetToolBar() && pFrameWnd->GetToolBar()->IsShown())
- {
- pFrameWnd->GetToolBar()->Refresh();
- }
-#endif
}
-#endif // Win95
return false;
}
minHeight = GetMinHeight();
// but allow GetSizeHints() to set the min size
- if ( minWidth != -1 )
+ if ( minWidth != wxDefaultCoord )
{
info->ptMinTrackSize.x = minWidth;
processed = true;
}
- if ( minHeight != -1 )
+ if ( minHeight != wxDefaultCoord )
{
info->ptMinTrackSize.y = minHeight;
bool wxMDIChildFrame::MSWTranslateMessage(WXMSG* msg)
{
- return wxFrame::MSWTranslateMessage(msg);
+ // we must pass the parent frame to ::TranslateAccelerator(), otherwise it
+ // doesn't do its job correctly for MDI child menus
+ return MSWDoTranslateMessage(GetMDIParent(), msg);
}
// ---------------------------------------------------------------------------
void wxMDIChildFrame::MSWDestroyWindow()
{
- invalidHandle = GetHwnd();
-
- wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent();
+ wxMDIParentFrame * const parent = GetMDIParent();
// Must make sure this handle is invalidated (set to NULL) since all sorts
// of things could happen after the child client is destroyed, but before
SendMessage(GetWinHwnd(parent->GetClientWindow()), WM_MDIDESTROY,
(WPARAM)oldHandle, 0);
- if (parent->GetActiveChild() == (wxMDIChildFrame*) NULL)
- ResetWindowStyle((void*) NULL);
-
- invalidHandle = 0;
+ if (parent->GetActiveChild() == NULL)
+ ResetWindowStyle(NULL);
if (m_hMenu)
{
// 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();
+ wxMDIParentFrame * const pFrameWnd = GetMDIParent();
wxMDIChildFrame* pChild = pFrameWnd->GetActiveChild();
+
if (!pChild || (pChild == this))
{
HWND hwndClient = GetWinHwnd(pFrameWnd->GetClientWindow());
return true;
}
}
-#endif // Win95
return false;
}
if ( style & wxVSCROLL )
msStyle |= WS_VSCROLL;
-#if defined(__WIN95__)
DWORD exStyle = WS_EX_CLIENTEDGE;
-#else
- DWORD exStyle = 0;
-#endif
wxWindowCreationHook hook(this);
m_hWnd = (WXHWND)::CreateWindowEx
// (see OGL studio sample). So check if the position is changed and if so,
// redraw the MDI child frames.
- wxPoint oldPos = GetPosition();
+ const wxPoint oldPos = GetPosition();
- wxWindow::DoSetSize(x, y, width, height, sizeFlags);
+ wxWindow::DoSetSize(x, y, width, height, sizeFlags | wxSIZE_FORCE);
- wxPoint newPos = GetPosition();
+ const wxPoint newPos = GetPosition();
if ((newPos.x != oldPos.x) || (newPos.y != oldPos.y))
{
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
}
// ---------------------------------------------------------------------------
-// non member functions
+// private helper functions
// ---------------------------------------------------------------------------
-static void MDISetMenu(wxWindow *win, HMENU hmenuFrame, HMENU hmenuWindow)
+namespace
{
- ::SendMessage(GetWinHwnd(win), WM_MDISETMENU,
-#ifdef __WIN32__
- (WPARAM)hmenuFrame, (LPARAM)hmenuWindow
-#else
- 0, MAKELPARAM(hmenuFrame, hmenuWindow)
-#endif
- );
+
+void MDISetMenu(wxWindow *win, HMENU hmenuFrame, HMENU hmenuWindow)
+{
+ 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();
::DrawMenuBar(GetWinHwnd(parent));
}
-static void InsertWindowMenu(wxWindow *win, WXHMENU menu, HMENU subMenu)
+void MDIInsertWindowMenu(wxWindow *win, WXHMENU hMenu, HMENU menuWin)
{
- // Try to insert Window menu in front of Help, otherwise append it.
- HMENU hmenu = (HMENU)menu;
+ HMENU hmenu = (HMENU)hMenu;
- if (subMenu)
+ if ( menuWin )
{
+ // Try to insert Window menu in front of Help, otherwise append it.
int N = GetMenuItemCount(hmenu);
- bool success = false;
+ bool inserted = false;
for ( int i = 0; i < N; i++ )
{
wxChar buf[256];
- int chars = GetMenuString(hmenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION);
- if ( chars == 0 )
+ if ( !::GetMenuString(hmenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION) )
{
wxLogLastError(wxT("GetMenuString"));
continue;
}
- if ( wxStripMenuCodes(wxString(buf)).IsSameAs(_("Help")) )
+ const wxString label = wxStripMenuCodes(buf);
+ if ( label == wxGetStockLabel(wxID_HELP, wxSTOCK_NOFLAGS) )
{
- success = true;
+ inserted = true;
::InsertMenu(hmenu, i, MF_BYPOSITION | MF_POPUP | MF_STRING,
- (UINT)subMenu, _("&Window"));
+ (UINT_PTR)menuWin,
+ wxGetTranslation(WINDOW_MENU_LABEL).wx_str());
break;
}
}
- if ( !success )
+ if ( !inserted )
{
- ::AppendMenu(hmenu, MF_POPUP, (UINT)subMenu, _("&Window"));
+ ::AppendMenu(hmenu, MF_POPUP,
+ (UINT_PTR)menuWin,
+ wxGetTranslation(WINDOW_MENU_LABEL).wx_str());
}
}
- MDISetMenu(win, hmenu, subMenu);
+ MDISetMenu(win, hmenu, menuWin);
}
-static void RemoveWindowMenu(wxWindow *win, WXHMENU menu)
+void MDIRemoveWindowMenu(wxWindow *win, WXHMENU hMenu)
{
- HMENU hMenu = (HMENU)menu;
+ HMENU hmenu = (HMENU)hMenu;
- if ( hMenu )
+ if ( hmenu )
{
wxChar buf[1024];
- int N = ::GetMenuItemCount(hMenu);
+ int N = ::GetMenuItemCount(hmenu);
for ( int i = 0; i < N; i++ )
{
- if ( !::GetMenuString(hMenu, i, buf, WXSIZEOF(buf), MF_BYPOSITION) )
+ 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
+ // occurs, for example, for a maximized MDI child system menu
if ( ::GetLastError() != 0 )
{
wxLogLastError(wxT("GetMenuString"));
continue;
}
- if ( wxStrcmp(buf, _("&Window")) == 0 )
+ if ( wxStrcmp(buf, wxGetTranslation(WINDOW_MENU_LABEL)) == 0 )
{
- if ( !::RemoveMenu(hMenu, i, MF_BYPOSITION) )
+ if ( !::RemoveMenu(hmenu, i, MF_BYPOSITION) )
{
wxLogLastError(wxT("RemoveMenu"));
}
if ( win )
{
// we don't change the windows menu, but we update the main one
- MDISetMenu(win, hMenu, NULL);
+ MDISetMenu(win, hmenu, NULL);
}
}
-static void UnpackMDIActivate(WXWPARAM wParam, WXLPARAM lParam,
+void UnpackMDIActivate(WXWPARAM wParam, WXLPARAM lParam,
WXWORD *activate, WXHWND *hwndAct, WXHWND *hwndDeact)
{
*activate = true;
*hwndDeact = (WXHWND)wParam;
}
-#endif
-// wxUSE_MDI_ARCHITECTURE && !defined(__WXUNIVERSAL__)
+} // anonymous namespace
+#endif // wxUSE_MDI && !defined(__WXUNIVERSAL__)
projects / wxWidgets.git / blobdiff