X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/cc2b747254c8ec8eebba7fb63cd5da5d7166c0db..69120ee48a66faa743b6e7c85a745806f53228ac:/src/msw/mdi.cpp?ds=inline diff --git a/src/msw/mdi.cpp b/src/msw/mdi.cpp index dd0e325caf..5a3fcf83af 100644 --- a/src/msw/mdi.cpp +++ b/src/msw/mdi.cpp @@ -1,104 +1,198 @@ ///////////////////////////////////////////////////////////////////////////// -// 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 ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "mdi.h" +// =========================================================================== +// declarations +// =========================================================================== + +// --------------------------------------------------------------------------- +// 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" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif +#if wxUSE_MDI && !defined(__WXUNIVERSAL__) + #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" -#include "wx/statusbr.h" -#include "wx/settings.h" + #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/settings.h" + #include "wx/intl.h" + #include "wx/log.h" #endif #include "wx/mdi.h" #include "wx/msw/private.h" -#if wxUSE_NATIVE_STATUSBAR -#include +#if wxUSE_STATUSBAR && wxUSE_NATIVE_STATUSBAR + #include "wx/msw/statbr95.h" #endif +#if wxUSE_TOOLBAR + #include "wx/toolbar.h" +#endif // wxUSE_TOOLBAR + #include -extern wxList wxModelessWindows; +// --------------------------------------------------------------------------- +// global variables +// --------------------------------------------------------------------------- + extern wxMenu *wxCurrentPopupMenu; -#define IDM_WINDOWTILE 4001 -#define IDM_WINDOWCASCADE 4002 -#define IDM_WINDOWICONS 4003 -#define IDM_WINDOWNEXT 4004 -// This range gives a maximum of 500 -// MDI children. Should be enough :-) -#define wxFIRST_MDI_CHILD 4100 -#define wxLAST_MDI_CHILD 4600 +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; + +// --------------------------------------------------------------------------- +// 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 -#define wxTHICK_LINE_BORDER 3 -#define wxTHICK_LINE_WIDTH 1 +static const int wxTHICK_LINE_BORDER = 3; +static const int wxTHICK_LINE_WIDTH = 1; + +// --------------------------------------------------------------------------- +// 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); -extern char wxMDIFrameClassName[]; -extern char wxMDIChildFrameClassName[]; -extern wxWindow *wxWndHook; +// 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); + +// 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); +} + +// 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 +// =========================================================================== + +// --------------------------------------------------------------------------- +// wxWin macros +// --------------------------------------------------------------------------- -#if !USE_SHARED_LIBRARY 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_ACTIVATE(wxMDIParentFrame::OnActivate) - EVT_SYS_COLOUR_CHANGED(wxMDIParentFrame::OnSysColourChanged) + EVT_SIZE(wxMDIParentFrame::OnSize) + 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) + EVT_SCROLL(wxMDIClientWindow::OnScroll) END_EVENT_TABLE() -#endif +// =========================================================================== +// wxMDIParentFrame: the frame which contains the client window which manages +// the children +// =========================================================================== wxMDIParentFrame::wxMDIParentFrame() { m_clientWindow = NULL; m_currentChild = NULL; - m_windowMenu = 0; - m_parentFrameActive = TRUE; + m_windowMenu = (wxMenu*) NULL; + m_parentFrameActive = true; } bool wxMDIParentFrame::Create(wxWindow *parent, - wxWindowID id, - const wxString& title, - const wxPoint& pos, - const wxSize& size, - long style, - const wxString& name) + wxWindowID id, + const wxString& title, + const wxPoint& pos, + const wxSize& size, + long style, + const wxString& name) { - m_defaultIcon = (WXHICON) (wxSTD_MDIPARENTFRAME_ICON ? wxSTD_MDIPARENTFRAME_ICON : wxDEFAULT_MDIPARENTFRAME_ICON); - m_clientWindow = NULL; m_currentChild = NULL; - m_windowMenu = 0; - m_parentFrameActive = TRUE; + + // 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 = new wxMenu; + + 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(IDM_WINDOWICONS, _("&Arrange Icons")); + m_windowMenu->Append(IDM_WINDOWNEXT, _("&Next")); + m_windowMenu->Append(IDM_WINDOWPREV, _("&Previous")); + } + + m_parentFrameActive = true; if (!parent) wxTopLevelWindows.Append(this); @@ -106,188 +200,161 @@ 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; - - m_windowMenu = (WXHMENU) ::LoadMenu(wxGetInstance(), "wxWindowMenu"); - - 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; - - // Adding WS_CLIPCHILDREN causes children not to be properly - // drawn when first displaying them. -// if (style & wxCLIP_CHILDREN) -// msflags |= WS_CLIPCHILDREN; - - wxWindow::MSWCreate(m_windowId, parent, wxMDIFrameClassName, this, title, x, y, width, height, - msflags); + m_windowId = NewControlId(); + + WXDWORD exflags; + WXDWORD msflags = MSWGetCreateWindowFlags(&exflags); + msflags &= ~WS_VSCROLL; + msflags &= ~WS_HSCROLL; + + if ( !wxWindow::MSWCreate(wxMDIFrameClassName, + title, + pos, size, + msflags, + exflags) ) + { + return false; + } - wxModelessWindows.Append(this); + // unlike (almost?) all other windows, frames are created hidden + m_isShown = false; - return TRUE; + return true; } wxMDIParentFrame::~wxMDIParentFrame() { - DestroyChildren(); - - DestroyMenu((HMENU) m_windowMenu); // Destroy dummy "Window" menu - m_windowMenu = 0; - - if (m_clientWindow->MSWGetOldWndProc()) - m_clientWindow->UnsubclassWin(); - - m_clientWindow->SetHWND(0); - delete m_clientWindow; -} + // see comment in ~wxMDIChildFrame +#if wxUSE_TOOLBAR + m_frameToolBar = NULL; +#endif +#if wxUSE_STATUSBAR + m_frameStatusBar = NULL; +#endif // wxUSE_STATUSBAR -// Get size *available for subwindows* i.e. excluding menu bar. -void wxMDIParentFrame::DoGetClientSize(int *x, int *y) const -{ - RECT rect; - ::GetClientRect((HWND) GetHWND(), &rect); + DestroyChildren(); - int cwidth = rect.right; - int cheight = rect.bottom; + if (m_windowMenu) + { + delete m_windowMenu; + m_windowMenu = (wxMenu*) NULL; + } - if ( GetStatusBar() ) - { - int sw, sh; - GetStatusBar()->GetSize(&sw, &sh); - cheight -= sh; - } + // 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; + } - wxPoint pt(GetClientAreaOrigin()); - cheight -= pt.y; - cwidth -= pt.x; + if ( m_clientWindow ) + { + if ( m_clientWindow->MSWGetOldWndProc() ) + m_clientWindow->UnsubclassWin(); - *x = cwidth; - *y = cheight; + m_clientWindow->SetHWND(0); + delete m_clientWindow; + } } -void wxMDIParentFrame::SetMenuBar(wxMenuBar *menu_bar) -{ - if (!menu_bar) - { - m_frameMenuBar = NULL; - return; - } +#if wxUSE_MENUS_NATIVE - if ( menu_bar->IsAttached() ) - return; +void wxMDIParentFrame::InternalSetMenuBar() +{ + m_parentFrameActive = true; - m_hMenu = menu_bar->Create(); + InsertWindowMenu(GetClientWindow(), m_hMenu, GetMDIWindowMenu(this)); +} - if (m_frameMenuBar) - delete m_frameMenuBar; +#endif // wxUSE_MENUS_NATIVE - // MDI parent-specific code follows +void wxMDIParentFrame::SetWindowMenu(wxMenu* menu) +{ + if (m_windowMenu) + { + if (GetMenuBar()) + { + // Remove old window menu + RemoveWindowMenu(GetClientWindow(), m_hMenu); + } - HMENU subMenu = GetSubMenu((HMENU) m_windowMenu, 0); + delete m_windowMenu; + m_windowMenu = (wxMenu*) NULL; + } - // Try to insert Window menu in front of Help, otherwise append it. - HMENU menu = (HMENU)m_hMenu; - int N = GetMenuItemCount(menu); - bool success = FALSE; - for (int i = 0; i < N; i++) - { - char buf[100]; - int chars = GetMenuString(menu, i, buf, 100, MF_BYPOSITION); - if ((chars > 0) && (strcmp(buf, "&Help") == 0 || - strcmp(buf, "Help") == 0)) + if (menu) + { + m_windowMenu = menu; + if (GetMenuBar()) { - success = TRUE; - InsertMenu(menu, i, MF_BYPOSITION | MF_POPUP | MF_STRING, - (UINT)subMenu, "&Window"); - break; + InsertWindowMenu(GetClientWindow(), m_hMenu, + GetHmenuOf(m_windowMenu)); } - } - if (!success) - AppendMenu(menu, MF_POPUP, - (UINT)subMenu, - "&Window"); - m_parentFrameActive = TRUE; -#ifdef __WIN32__ - SendMessage((HWND) GetClientWindow()->GetHWND(), WM_MDISETMENU, - (WPARAM)menu, - (LPARAM)subMenu); -#else - SendMessage((HWND) GetClientWindow()->GetHWND(), WM_MDISETMENU, 0, - MAKELPARAM(menu, subMenu)); -#endif - DrawMenuBar((HWND) GetHWND()); - - m_frameMenuBar = menu_bar; - menu_bar->Attach(this); + } } -void wxMDIParentFrame::OnSize(wxSizeEvent& event) +void wxMDIParentFrame::DoMenuUpdates(wxMenu* menu) { -#if wxUSE_CONSTRAINTS - if (GetAutoLayout()) - Layout(); -#endif - int x = 0; - int y = 0; - int width, height; - GetClientSize(&width, &height); - - if ( GetClientWindow() ) - GetClientWindow()->SetSize(x, y, width, height); - -/* Already done in MSWOnSize - // forward WM_SIZE to status bar control -#if wxUSE_NATIVE_STATUSBAR - if (m_frameStatusBar && m_frameStatusBar->IsKindOf(CLASSINFO(wxStatusBar95))) - ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event); -#endif -*/ + 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); + } } -void wxMDIParentFrame::OnActivate(wxActivateEvent& event) +void wxMDIParentFrame::OnSize(wxSizeEvent&) { - // Do nothing + if ( GetClientWindow() ) + { + int width, height; + GetClientSize(&width, &height); + + GetClientWindow()->SetSize(0, 0, width, height); + } } // Returns the active MDI child window wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const { -// HWND hWnd = (HWND)LOWORD(SendMessage((HWND) GetClientWindow()->GetHWND(), WM_MDIGETACTIVE, 0, 0L)); - HWND hWnd = (HWND)SendMessage((HWND) GetClientWindow()->GetHWND(), WM_MDIGETACTIVE, 0, 0L); - if (hWnd == 0) - return NULL; - else - return (wxMDIChildFrame *)wxFindWinFromHandle((WXHWND) hWnd); + HWND hWnd = (HWND)::SendMessage(GetWinHwnd(GetClientWindow()), + WM_MDIGETACTIVE, 0, 0L); + if ( hWnd == 0 ) + return NULL; + else + return (wxMDIChildFrame *)wxFindWinFromHandle((WXHWND) hWnd); } -// Create the client window class (don't Create the window, -// just return a new class) +// Create the client window class (don't Create the window, just return a new +// class) wxMDIClientWindow *wxMDIParentFrame::OnCreateClient() { - return new wxMDIClientWindow ; + return new wxMDIClientWindow; } // Responds to colour changes, and passes event on to children. @@ -295,230 +362,273 @@ 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(); } -/* - if ( m_frameToolBar ) - { - wxSysColourChangedEvent event2; - event2.eventObject = m_frameToolBar; - m_frameToolBar->GetEventHandler()->ProcessEvent(event2); - } -*/ - // Propagate the event to the non-top-level children - wxFrame::OnSysColourChanged(event); + event.Skip(); +} + +WXHICON wxMDIParentFrame::GetDefaultIcon() const +{ + // we don't have any standard icons (any more) + return (WXHICON)0; } +// --------------------------------------------------------------------------- // MDI operations +// --------------------------------------------------------------------------- + void wxMDIParentFrame::Cascade() { - ::SendMessage( (HWND) GetClientWindow()->GetHWND(), WM_MDICASCADE, 0, 0); + ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDICASCADE, 0, 0); } -void wxMDIParentFrame::Tile() +void wxMDIParentFrame::Tile(wxOrientation orient) { - ::SendMessage( (HWND) GetClientWindow()->GetHWND(), 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() { - ::SendMessage( (HWND) GetClientWindow()->GetHWND(), WM_MDIICONARRANGE, 0, 0); + ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDIICONARRANGE, 0, 0); } void wxMDIParentFrame::ActivateNext() { - ::SendMessage( (HWND) GetClientWindow()->GetHWND(), WM_MDINEXT, 0, 0); + ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDINEXT, 0, 0); } void wxMDIParentFrame::ActivatePrevious() { - ::SendMessage( (HWND) GetClientWindow()->GetHWND(), WM_MDINEXT, 0, 1); + ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDINEXT, 0, 1); } +// --------------------------------------------------------------------------- +// the MDI parent frame window proc +// --------------------------------------------------------------------------- -/* -// Returns a style for the client window - usually 0 -// or, for example, wxHSCROLL | wxVSCROLL -long wxMDIParentFrame::GetClientStyle() const +WXLRESULT wxMDIParentFrame::MSWWindowProc(WXUINT message, + WXWPARAM wParam, + WXLPARAM lParam) { - return wxHSCROLL | wxVSCROLL ; -} -*/ + WXLRESULT rc = 0; + bool processed = false; -bool wxMDIParentFrame::MSWOnDestroy() -{ - return FALSE; -} + switch ( message ) + { + case WM_ACTIVATE: + { + WXWORD state, minimized; + WXHWND hwnd; + UnpackActivate(wParam, lParam, &state, &minimized, &hwnd); -void wxMDIParentFrame::MSWOnCreate(WXLPCREATESTRUCT WXUNUSED(cs)) -{ - m_clientWindow = OnCreateClient(); - // Uses own style for client style - m_clientWindow->CreateClient(this, GetWindowStyleFlag()); -} + processed = HandleActivate(state, minimized != 0, hwnd); + } + break; -void wxMDIParentFrame::MSWOnSize(int x, int y, WXUINT id) -{ - switch (id) - { - case SIZEFULLSCREEN: - case SIZENORMAL: - m_iconized = FALSE; - break; - case SIZEICONIC: - m_iconized = TRUE; - break; - } + case WM_COMMAND: + { + WXWORD id, cmd; + WXHWND hwnd; + UnpackCommand(wParam, lParam, &id, &hwnd, &cmd); - 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 ); + (void)HandleCommand(id, cmd, hwnd); - ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event); - } -#endif + // 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; + } - PositionStatusBar(); - PositionToolBar(); + // always pass this message DefFrameProc(), otherwise MDI menu + // commands (and sys commands - more surprisingly!) won't work + MSWDefWindowProc(message, wParam, lParam); + break; - wxSizeEvent event(wxSize(x, y), m_windowId); - event.SetEventObject( this ); - if (!GetEventHandler()->ProcessEvent(event)) - Default(); - } + case WM_CREATE: + m_clientWindow = OnCreateClient(); + // Uses own style for client style + if ( !m_clientWindow->CreateClient(this, GetWindowStyleFlag()) ) + { + wxLogMessage(_("Failed to create MDI parent frame.")); + + rc = -1; + } + + processed = true; + break; + + case WM_ERASEBKGND: + processed = true; + + // we erase background ourselves + rc = true; + break; + + case WM_MENUSELECT: + { + WXWORD item, flags; + WXHMENU hmenu; + UnpackMenuSelect(wParam, lParam, &item, &flags, &hmenu); + + if ( m_parentFrameActive ) + { + processed = HandleMenuSelect(item, flags, hmenu); + } + else if (m_currentChild) + { + processed = m_currentChild-> + HandleMenuSelect(item, flags, hmenu); + } + } + break; + + case WM_SIZE: + // though we don't (usually) resize the MDI client to exactly fit the + // client area we need to pass this one to DefFrameProc to allow the children to show + break; + } + + if ( !processed ) + rc = wxFrame::MSWWindowProc(message, wParam, lParam); + + return rc; } -bool wxMDIParentFrame::MSWOnActivate(int state, bool minimized, WXHWND activate) +bool wxMDIParentFrame::HandleActivate(int state, bool minimized, WXHWND activate) { - wxWindow::MSWOnActivate(state, minimized, activate); + bool processed = false; + + if ( wxWindow::HandleActivate(state, minimized, activate) ) + { + // already processed + processed = true; + } // If this window is an MDI parent, we must also send an OnActivate message // to the current child. - if ((m_currentChild != NULL) && ((state == WA_ACTIVE) || (state == WA_CLICKACTIVE))) + 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 ); - m_currentChild->GetEventHandler()->ProcessEvent(event); + if ( m_currentChild->GetEventHandler()->ProcessEvent(event) ) + processed = true; } - return 0; + + return processed; } -bool wxMDIParentFrame::MSWOnCommand(WXWORD id, WXWORD cmd, WXHWND control) +bool wxMDIParentFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd) { -// if (cmd == 0) // Why did I do this test? - { // In case it's e.g. a toolbar. - wxWindow *win = wxFindWinFromHandle(control); - if (win) - return win->MSWCommand(cmd, id); - -/* - if (wxCurrentPopupMenu) + if ( hwnd ) { - wxMenu *popupMenu = wxCurrentPopupMenu; - wxCurrentPopupMenu = NULL; - if (!popupMenu->MSWCommand(cmd, id)) - return TRUE; + wxWindow *win = wxFindWinFromHandle(hwnd); + if ( win ) + return win->MSWCommand(cmd, id); } -*/ - switch (id) + // is it one of standard MDI commands? + WXWPARAM wParam = 0; + WXLPARAM lParam = 0; + int msg; + switch ( id ) { - case IDM_WINDOWCASCADE: - SendMessage((HWND) GetClientWindow()->GetHWND(), WM_MDICASCADE, MDITILE_SKIPDISABLED, 0); - return TRUE; - case IDM_WINDOWTILE: - SendMessage((HWND) GetClientWindow()->GetHWND(), WM_MDITILE, MDITILE_HORIZONTAL, 0); - return TRUE; - case IDM_WINDOWICONS: - SendMessage((HWND) GetClientWindow()->GetHWND(), WM_MDIICONARRANGE, 0, 0); - return TRUE; - case IDM_WINDOWNEXT: - SendMessage((HWND) GetClientWindow()->GetHWND(), WM_MDINEXT, 0, 0); - return TRUE; - default: - break; - } - if (id >= 0xF000) - { - return FALSE; // Get WndProc to call default proc + case IDM_WINDOWCASCADE: + msg = WM_MDICASCADE; + wParam = MDITILE_SKIPDISABLED; + break; + + case IDM_WINDOWTILEHOR: + wParam |= MDITILE_HORIZONTAL; + // fall through + + case IDM_WINDOWTILEVERT: + if ( !wParam ) + wParam = MDITILE_VERTICAL; + msg = WM_MDITILE; + wParam |= MDITILE_SKIPDISABLED; + break; + + case IDM_WINDOWICONS: + msg = WM_MDIICONARRANGE; + break; + + case IDM_WINDOWNEXT: + msg = WM_MDINEXT; + lParam = 0; // next child + break; + + case IDM_WINDOWPREV: + msg = WM_MDINEXT; + lParam = 1; // previous child + break; + + default: + msg = 0; } - if (m_parentFrameActive && (id < wxFIRST_MDI_CHILD || id > wxLAST_MDI_CHILD)) + if ( msg ) { - ProcessCommand(id); - return TRUE; + ::SendMessage(GetWinHwnd(GetClientWindow()), msg, wParam, lParam); + + return true; } - else if (m_currentChild && (id < wxFIRST_MDI_CHILD || id > wxLAST_MDI_CHILD)) + + // FIXME VZ: what does this test do?? + if (id >= 0xF000) { - return m_currentChild->MSWOnCommand(id, cmd, control); + return false; // Get WndProc to call default proc } - } - if (id >= wxFIRST_MDI_CHILD && id <= wxLAST_MDI_CHILD) - { - wxNode* node = GetChildren().First(); - while (node) + + if ( IsMdiCommandId(id) ) { - wxWindow* child = (wxWindow*) node->Data(); - if (child->GetHWND()) + wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); + while ( node ) { -#ifdef __WIN32__ - long childId = GetWindowLong((HWND) child->GetHWND(), GWL_ID); -#else - long childId = GetWindowWord((HWND) child->GetHWND(), GWW_ID); -#endif - if (childId == id) + wxWindow *child = node->GetData(); + if ( child->GetHWND() ) { - ::SendMessage( (HWND) GetClientWindow()->GetHWND(), WM_MDIACTIVATE, (WPARAM) (HWND) child->GetHWND(), 0); - return TRUE; + long childId = wxGetWindowId(child->GetHWND()); + if (childId == (long)id) + { + ::SendMessage( GetWinHwnd(GetClientWindow()), + WM_MDIACTIVATE, + (WPARAM)child->GetHWND(), 0); + return true; + } } + node = node->GetNext(); } - node = node->Next(); } -/* - wxWindow* child = FindItem(id); - if (child) + else if ( m_parentFrameActive ) { - ::SendMessage( (HWND) GetClientWindow()->GetHWND(), WM_MDIACTIVATE, (WPARAM) (HWND) child->GetHWND(), 0); - return TRUE; + return ProcessCommand(id); } -*/ - } - - return wxWindow::MSWOnCommand(id, cmd, control); -} - -void wxMDIParentFrame::MSWOnMenuHighlight(WXWORD nItem, WXWORD nFlags, WXHMENU hSysMenu) -{ - if (m_parentFrameActive) - { - if (nFlags == 0xFFFF && hSysMenu == (WXHMENU) NULL) + else if ( m_currentChild ) { - wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, -1); - event.SetEventObject( this ); - GetEventHandler()->ProcessEvent(event); + return m_currentChild->HandleCommand(id, cmd, hwnd); } - else if (nFlags != MF_SEPARATOR) + else { - wxMenuEvent event(wxEVT_MENU_HIGHLIGHT, nItem); - event.SetEventObject( this ); - GetEventHandler()->ProcessEvent(event); + // 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?")); } - } - else if (m_currentChild) - { - m_currentChild->MSWOnMenuHighlight(nItem, nFlags, hSysMenu); - } + + return false; } -long wxMDIParentFrame::MSWDefWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam) +WXLRESULT wxMDIParentFrame::MSWDefWindowProc(WXUINT message, + WXWPARAM wParam, + WXLPARAM lParam) { WXHWND clientWnd; if ( GetClientWindow() ) @@ -526,71 +636,65 @@ long wxMDIParentFrame::MSWDefWindowProc(WXUINT message, WXWPARAM wParam, WXLPARA else clientWnd = 0; - return DefFrameProc((HWND) GetHWND(), (HWND) clientWnd, message, wParam, lParam); -} - -bool wxMDIParentFrame::MSWProcessMessage(WXMSG* msg) -{ - if ((m_currentChild != (wxWindow *)NULL) && (m_currentChild->GetHWND() != (WXHWND) NULL) && m_currentChild->MSWProcessMessage(msg)) - return TRUE; - - return FALSE; + return DefFrameProc(GetHwnd(), (HWND)clientWnd, message, wParam, lParam); } bool wxMDIParentFrame::MSWTranslateMessage(WXMSG* msg) { - MSG *pMsg = (MSG *)msg; + MSG *pMsg = (MSG *)msg; - if ((m_currentChild != (wxWindow *)NULL) && (m_currentChild->GetHWND() != (WXHWND) NULL) && m_currentChild->MSWTranslateMessage(msg)) - return TRUE; - - if (m_acceleratorTable.Ok() && - ::TranslateAccelerator((HWND) GetHWND(), (HACCEL) m_acceleratorTable.GetHACCEL(), pMsg)) - return TRUE; - - if (pMsg->message == WM_KEYDOWN || pMsg->message == WM_SYSKEYDOWN) - { - if (::TranslateMDISysAccel((HWND) GetClientWindow()->GetHWND(), pMsg)) - return TRUE; - } + // first let the current child get it + if ( m_currentChild && m_currentChild->GetHWND() && + m_currentChild->MSWTranslateMessage(msg) ) + { + return true; + } - return FALSE; -} + // then try out accel table (will also check the menu accels) + if ( wxFrame::MSWTranslateMessage(msg) ) + { + 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; + } -bool wxMDIParentFrame::MSWOnEraseBkgnd(WXHDC WXUNUSED(pDC)) -{ - return TRUE; + return false; } -extern wxWindow *wxWndHook; -extern wxList *wxWinHandleList; +// =========================================================================== +// wxMDIChildFrame +// =========================================================================== -wxMDIChildFrame::wxMDIChildFrame() +void wxMDIChildFrame::Init() { -// m_active = FALSE; + m_needsResize = true; + m_needsInitialShow = true; } bool wxMDIChildFrame::Create(wxMDIParentFrame *parent, - wxWindowID id, - const wxString& title, - const wxPoint& pos, - const wxSize& size, - long style, - const wxString& name) + wxWindowID id, + const wxString& title, + const wxPoint& pos, + const wxSize& size, + 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(); - if (parent) parent->AddChild(this); - - wxWndHook = this; + if ( parent ) + { + parent->AddChild(this); + } int x = pos.x; int y = pos.y; @@ -599,22 +703,32 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent, MDICREATESTRUCT mcs; - mcs.szClass = wxMDIChildFrameClassName; + mcs.szClass = style & wxFULL_REPAINT_ON_RESIZE + ? wxMDIChildFrameClassName + : wxMDIChildFrameClassNameNoRedraw; mcs.szTitle = title; mcs.hOwner = wxGetInstance(); - if (x > -1) mcs.x = x; - else mcs.x = CW_USEDEFAULT; + if (x != wxDefaultCoord) + mcs.x = x; + else + mcs.x = CW_USEDEFAULT; - if (y > -1) mcs.y = y; - else mcs.y = CW_USEDEFAULT; + if (y != wxDefaultCoord) + mcs.y = y; + else + mcs.y = CW_USEDEFAULT; - if (width > -1) mcs.cx = width; - else mcs.cx = CW_USEDEFAULT; + if (width != wxDefaultCoord) + mcs.cx = width; + else + mcs.cx = CW_USEDEFAULT; - if (height > -1) mcs.cy = height; - else mcs.cy = CW_USEDEFAULT; + if (height != wxDefaultCoord) + mcs.cy = height; + else + mcs.cy = CW_USEDEFAULT; - DWORD msflags = WS_OVERLAPPED | WS_CLIPCHILDREN ; + DWORD msflags = WS_OVERLAPPED | WS_CLIPCHILDREN; if (style & wxMINIMIZE_BOX) msflags |= WS_MINIMIZEBOX; if (style & wxMAXIMIZE_BOX) @@ -634,37 +748,45 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent, mcs.lParam = 0; - DWORD Return = SendMessage((HWND) parent->GetClientWindow()->GetHWND(), - WM_MDICREATE, 0, (LONG)(LPSTR)&mcs); - - //handle = (HWND)LOWORD(Return); - // Must be the DWORRD for WIN32. And in 16 bits, HIWORD=0 (says Microsoft) - m_hWnd = (WXHWND)Return; + wxWindowCreationHook hook(this); - // This gets reassigned so can't be stored -// m_windowId = GetWindowLong((HWND) m_hWnd, GWL_ID); + m_hWnd = (WXHWND)::SendMessage(GetWinHwnd(parent->GetClientWindow()), + WM_MDICREATE, 0, (LONG)(LPSTR)&mcs); - wxWndHook = NULL; - wxWinHandleList->Append((long)GetHWND(), this); + wxAssociateWinWithHandle((HWND) GetHWND(), this); - SetWindowLong((HWND) GetHWND(), 0, (long)this); - - wxModelessWindows.Append(this); - return TRUE; + return true; } wxMDIChildFrame::~wxMDIChildFrame() { + // 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(); +} - ResetWindowStyle(NULL); +bool wxMDIChildFrame::Show(bool show) +{ + m_needsInitialShow = false; + return wxFrame::Show(show); } // 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 = (HWND) GetHWND(); + HWND hWnd = GetHwnd(); RECT rect; ::GetClientRect(hWnd, &rect); @@ -678,12 +800,14 @@ 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 (GetStatusBar()) +#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; @@ -694,9 +818,10 @@ 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); } @@ -704,7 +829,7 @@ void wxMDIChildFrame::DoSetClientSize(int width, int height) void wxMDIChildFrame::DoGetPosition(int *x, int *y) const { RECT rect; - GetWindowRect((HWND) GetHWND(), &rect); + GetWindowRect(GetHwnd(), &rect); POINT point; point.x = rect.left; point.y = rect.top; @@ -718,276 +843,325 @@ void wxMDIChildFrame::DoGetPosition(int *x, int *y) const *y = point.y; } -void wxMDIChildFrame::SetMenuBar(wxMenuBar *menu_bar) +void wxMDIChildFrame::InternalSetMenuBar() { - if (!menu_bar) - { - m_frameMenuBar = NULL; - return; - } - - if ( menu_bar->IsAttached() ) - return; - - m_hMenu = menu_bar->Create(); - - if (m_frameMenuBar) - delete m_frameMenuBar; - - wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent(); + wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent(); - parent->m_parentFrameActive = FALSE; - HMENU subMenu = GetSubMenu((HMENU) parent->GetWindowMenu(), 0); + InsertWindowMenu(parent->GetClientWindow(), + m_hMenu, GetMDIWindowMenu(parent)); - // Try to insert Window menu in front of Help, otherwise append it. - HMENU menu = (HMENU)m_hMenu; - int N = GetMenuItemCount(menu); - bool success = FALSE; - for (int i = 0; i < N; i++) - { - char buf[100]; - int chars = GetMenuString(menu, i, buf, 100, MF_BYPOSITION); - if ((chars > 0) && (strcmp(buf, "&Help") == 0 || - strcmp(buf, "Help") == 0)) - { - success = TRUE; - InsertMenu(menu, i, MF_BYPOSITION | MF_POPUP | MF_STRING, - (UINT)subMenu, "&Window"); - break; - } - } - if (!success) - AppendMenu(menu, MF_POPUP, - (UINT)subMenu, - "&Window"); -#ifdef __WIN32__ - SendMessage((HWND) parent->GetClientWindow()->GetHWND(), WM_MDISETMENU, - (WPARAM)menu, - (LPARAM)subMenu); -#else - SendMessage((HWND) parent->GetClientWindow()->GetHWND(), WM_MDISETMENU, 0, - MAKELPARAM(menu, subMenu)); -#endif + parent->m_parentFrameActive = false; +} - DrawMenuBar((HWND) parent->GetHWND()); - m_frameMenuBar = menu_bar; - menu_bar->Attach(this); +WXHICON wxMDIChildFrame::GetDefaultIcon() const +{ + // we don't have any standard icons (any more) + return (WXHICON)0; } +// --------------------------------------------------------------------------- // MDI operations -void wxMDIChildFrame::Maximize() +// --------------------------------------------------------------------------- + +void wxMDIChildFrame::Maximize(bool maximize) { wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent(); if ( parent && parent->GetClientWindow() ) - ::SendMessage( (HWND) parent->GetClientWindow()->GetHWND(), WM_MDIMAXIMIZE, (WPARAM) (HWND) GetHWND(), 0); + { + ::SendMessage(GetWinHwnd(parent->GetClientWindow()), + maximize ? WM_MDIMAXIMIZE : WM_MDIRESTORE, + (WPARAM)GetHwnd(), 0); + } } void wxMDIChildFrame::Restore() { wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent(); if ( parent && parent->GetClientWindow() ) - ::SendMessage( (HWND) parent->GetClientWindow()->GetHWND(), WM_MDIRESTORE, (WPARAM) (HWND) GetHWND(), 0); + { + ::SendMessage(GetWinHwnd(parent->GetClientWindow()), WM_MDIRESTORE, + (WPARAM) GetHwnd(), 0); + } } void wxMDIChildFrame::Activate() { wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent(); if ( parent && parent->GetClientWindow() ) - ::SendMessage( (HWND) parent->GetClientWindow()->GetHWND(), WM_MDIACTIVATE, (WPARAM) (HWND) GetHWND(), 0); + { + ::SendMessage(GetWinHwnd(parent->GetClientWindow()), WM_MDIACTIVATE, + (WPARAM) GetHwnd(), 0); + } } -static HWND invalidHandle = 0; -void wxMDIChildFrame::MSWOnSize(int x, int y, WXUINT id) +// --------------------------------------------------------------------------- +// MDI window proc and message handlers +// --------------------------------------------------------------------------- + +WXLRESULT wxMDIChildFrame::MSWWindowProc(WXUINT message, + WXWPARAM wParam, + WXLPARAM lParam) { - if (!GetHWND()) return; + WXLRESULT rc = 0; + bool processed = false; - if (invalidHandle == (HWND) GetHWND()) - { - return; - } + switch ( message ) + { + case WM_COMMAND: + { + WORD id, cmd; + WXHWND hwnd; + UnpackCommand((WXWPARAM)wParam, (WXLPARAM)lParam, + &id, &hwnd, &cmd); - (void)MSWDefWindowProc(m_lastMsg, m_lastWParam, m_lastLParam); + processed = HandleCommand(id, cmd, (WXHWND)hwnd); + } + break; - switch (id) - { - case SIZEFULLSCREEN: - case SIZENORMAL: - m_iconized = FALSE; - break; - case SIZEICONIC: - m_iconized = TRUE; - break; - } + case WM_GETMINMAXINFO: + processed = HandleGetMinMaxInfo((MINMAXINFO *)lParam); + 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 ); + case WM_MDIACTIVATE: + { + WXWORD act; + WXHWND hwndAct, hwndDeact; + UnpackMDIActivate(wParam, lParam, &act, &hwndAct, &hwndDeact); + + processed = HandleMDIActivate(act, hwndAct, hwndDeact); + } + // fall through + + case WM_MOVE: + // must pass WM_MOVE to DefMDIChildProc() to recalculate MDI client + // scrollbars if necessary - ((wxStatusBar95 *)m_frameStatusBar)->OnSize(event); + // fall through + + case WM_SIZE: + // must pass WM_SIZE to DefMDIChildProc(), otherwise many weird + // things happen + MSWDefWindowProc(message, wParam, lParam); + break; + + case WM_SYSCOMMAND: + // DefMDIChildProc handles SC_{NEXT/PREV}WINDOW here, so pass it + // the message (the base class version does not) + return MSWDefWindowProc(message, wParam, lParam); + + case WM_WINDOWPOSCHANGING: + processed = HandleWindowPosChanging((LPWINDOWPOS)lParam); + break; } -#endif - PositionStatusBar(); - PositionToolBar(); + if ( !processed ) + rc = wxFrame::MSWWindowProc(message, wParam, lParam); - wxWindow::MSWOnSize(x, y, id); - } + return rc; } -bool wxMDIChildFrame::MSWOnCommand(WXWORD id, WXWORD cmd, WXHWND control) +bool wxMDIChildFrame::HandleCommand(WXWORD id, WXWORD cmd, WXHWND hwnd) { -// if ((cmd == 0) && GetHWND()) - if (GetHWND()) - { // In case it's e.g. a toolbar. - wxWindow *win = wxFindWinFromHandle(control); - if (win) - return win->MSWCommand(cmd, id); + 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; + return true; } - if (GetMenuBar() && GetMenuBar()->FindItemForId(id)) + bool processed; + if (GetMenuBar() && GetMenuBar()->FindItem(id)) { - ProcessCommand(id); - return TRUE; + processed = ProcessCommand(id); } else - return FALSE; - return TRUE; - } - else - return wxWindow::MSWOnCommand(id, cmd, control); -} + { + processed = false; + } -long wxMDIChildFrame::MSWDefWindowProc(WXUINT message, WXUINT wParam, WXLPARAM lParam) -{ - if (GetHWND()) - return DefMDIChildProc((HWND) GetHWND(), (UINT) message, (WPARAM) wParam, (LPARAM) lParam); - else return 0; + return processed; } -bool wxMDIChildFrame::MSWProcessMessage(WXMSG *msg) +bool wxMDIChildFrame::HandleMDIActivate(long WXUNUSED(activate), + WXHWND hwndAct, + WXHWND hwndDeact) { - return FALSE; + wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent(); + + HMENU menuToSet = 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; + + menuToSet = child_menu; + } + } + else if ( m_hWnd == hwndDeact ) + { + wxASSERT_MSG( parent->m_currentChild == this, + wxT("can't deactivate MDI child which wasn't active!") ); + + activated = false; + parent->m_currentChild = NULL; + + HMENU parent_menu = (HMENU)parent->GetWinMenu(); + + // 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; + } + } + else + { + // we have nothing to do with it + return false; + } + + if ( menuToSet ) + { + 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::MSWTranslateMessage(WXMSG* msg) +bool wxMDIChildFrame::HandleWindowPosChanging(void *pos) { - MSG *pMsg = (MSG *)msg; - if (m_acceleratorTable.Ok()) - { - wxFrame *parent = (wxFrame *)GetParent(); - HWND parent_hwnd = (HWND) parent->GetHWND(); - return (::TranslateAccelerator(parent_hwnd, (HACCEL) m_acceleratorTable.GetHACCEL(), pMsg) != 0); - } + WINDOWPOS *lpPos = (WINDOWPOS *)pos; +#if defined(__WIN95__) + if (!(lpPos->flags & SWP_NOSIZE)) + { + RECT rectClient; + DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE); + DWORD dwStyle = ::GetWindowLong(GetHwnd(), GWL_STYLE); + if (ResetWindowStyle((void *) & rectClient) && (dwStyle & WS_MAXIMIZE)) + { + ::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; + } +#if wxUSE_TOOLBAR + wxMDIParentFrame* pFrameWnd = (wxMDIParentFrame *)GetParent(); + if (pFrameWnd && pFrameWnd->GetToolBar() && pFrameWnd->GetToolBar()->IsShown()) + { + pFrameWnd->GetToolBar()->Refresh(); + } +#endif + } +#endif // Win95 - return FALSE; + return false; } -long wxMDIChildFrame::MSWOnMDIActivate(long activate, WXHWND WXUNUSED(one), WXHWND WXUNUSED(two)) +bool wxMDIChildFrame::HandleGetMinMaxInfo(void *mmInfo) { - wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent(); - HMENU parent_menu = (HMENU) parent->GetWinMenu(); - HMENU child_menu = (HMENU) GetWinMenu(); + MINMAXINFO *info = (MINMAXINFO *)mmInfo; - if (activate) - { -// m_active = TRUE; - parent->m_currentChild = this; - if (child_menu) + // 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 != -1 ) { - parent->m_parentFrameActive = FALSE; - HMENU subMenu = GetSubMenu((HMENU) parent->GetWindowMenu(), 0); -#ifdef __WIN32__ - ::SendMessage((HWND) parent->GetClientWindow()->GetHWND(), WM_MDISETMENU, - (WPARAM)child_menu, - (LPARAM)subMenu); -#else - ::SendMessage((HWND) parent->GetClientWindow()->GetHWND(), WM_MDISETMENU, 0, - MAKELONG(child_menu, subMenu)); -#endif + info->ptMinTrackSize.x = minWidth; - ::DrawMenuBar((HWND) parent->GetHWND()); + processed = true; } - wxActivateEvent event(wxEVT_ACTIVATE, TRUE, m_windowId); - event.SetEventObject( this ); - GetEventHandler()->ProcessEvent(event); - } - else - { - if (parent->m_currentChild == this) - parent->m_currentChild = NULL; - - wxActivateEvent event(wxEVT_ACTIVATE, FALSE, m_windowId); - event.SetEventObject( this ); - GetEventHandler()->ProcessEvent(event); -// m_active = FALSE; - if (parent_menu) + if ( minHeight != -1 ) { - parent->m_parentFrameActive = TRUE; - HMENU subMenu = GetSubMenu((HMENU) parent->GetWindowMenu(), 0); -#ifdef __WIN32__ - ::SendMessage((HWND) parent->GetClientWindow()->GetHWND(), WM_MDISETMENU, - (WPARAM)parent_menu, - (LPARAM)subMenu); -#else - ::SendMessage((HWND) parent->GetClientWindow()->GetHWND(), WM_MDISETMENU, 0, - MAKELONG(parent_menu, subMenu)); -#endif + info->ptMinTrackSize.y = minHeight; - ::DrawMenuBar((HWND) parent->GetHWND()); + processed = true; } - } - bool flag = (activate != 0); - wxActivateEvent event(wxEVT_ACTIVATE, flag, m_windowId); - event.SetEventObject( this ); - GetEventHandler()->ProcessEvent(event); - return 0; + + return processed; +} + +// --------------------------------------------------------------------------- +// MDI specific message translation/preprocessing +// --------------------------------------------------------------------------- + +WXLRESULT wxMDIChildFrame::MSWDefWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam) +{ + return DefMDIChildProc(GetHwnd(), + (UINT)message, (WPARAM)wParam, (LPARAM)lParam); } +bool wxMDIChildFrame::MSWTranslateMessage(WXMSG* msg) +{ + return wxFrame::MSWTranslateMessage(msg); +} + +// --------------------------------------------------------------------------- +// misc +// --------------------------------------------------------------------------- + void wxMDIChildFrame::MSWDestroyWindow() { - MSWDetachWindowMenu(); - invalidHandle = (HWND) GetHWND(); + invalidHandle = GetHwnd(); - wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent(); + wxMDIParentFrame *parent = (wxMDIParentFrame *)GetParent(); - // 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 the wxFrame is - // destroyed. + // 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 + // the wxFrame is destroyed. - HWND oldHandle = (HWND)GetHWND(); -#ifdef __WIN32__ - SendMessage((HWND) parent->GetClientWindow()->GetHWND(), WM_MDIDESTROY, (WPARAM)oldHandle, (LPARAM)0); -#else - SendMessage((HWND) parent->GetClientWindow()->GetHWND(), WM_MDIDESTROY, (HWND)oldHandle, 0); -#endif - invalidHandle = 0; + HWND oldHandle = (HWND)GetHWND(); + SendMessage(GetWinHwnd(parent->GetClientWindow()), WM_MDIDESTROY, + (WPARAM)oldHandle, 0); - if (m_hMenu) - { - ::DestroyMenu((HMENU) m_hMenu); - m_hMenu = 0; - } - m_hWnd = 0; + 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; } -// Change the client window's extended style so we don't -// get a client edge style when a child is maximised (a double -// border looks silly.) +// Change the client window's extended style so we don't get a client edge +// style when a child is maximised (a double border looks silly.) bool wxMDIChildFrame::ResetWindowStyle(void *vrect) { #if defined(__WIN95__) @@ -996,115 +1170,92 @@ bool wxMDIChildFrame::ResetWindowStyle(void *vrect) wxMDIChildFrame* pChild = pFrameWnd->GetActiveChild(); if (!pChild || (pChild == this)) { - DWORD dwStyle = ::GetWindowLong((HWND) pFrameWnd->GetClientWindow()->GetHWND(), GWL_EXSTYLE); - DWORD dwThisStyle = ::GetWindowLong((HWND) 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) { - ::RedrawWindow((HWND) pFrameWnd->GetClientWindow()->GetHWND(), NULL, NULL, RDW_INVALIDATE | RDW_ALLCHILDREN); - ::SetWindowLong((HWND) pFrameWnd->GetClientWindow()->GetHWND(), GWL_EXSTYLE, dwNewStyle); - ::SetWindowPos((HWND) pFrameWnd->GetClientWindow()->GetHWND(), NULL, 0, 0, 0, 0, - SWP_FRAMECHANGED | SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOCOPYBITS); + // 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) pFrameWnd->GetClientWindow()->GetHWND(), rect); - return TRUE; - } - } - return FALSE; -#else - return FALSE; -#endif -} + ::GetClientRect(hwndClient, rect); -void wxMDIChildFrame::MSWOnWindowPosChanging(void *pos) -{ - WINDOWPOS *lpPos = (WINDOWPOS *)pos; -#if defined(__WIN95__) - if (!(lpPos->flags & SWP_NOSIZE)) - { - RECT rectClient; - DWORD dwExStyle = ::GetWindowLong((HWND) GetHWND(), GWL_EXSTYLE); - DWORD dwStyle = ::GetWindowLong((HWND) GetHWND(), GWL_STYLE); - if (ResetWindowStyle((void *) & rectClient) && (dwStyle & WS_MAXIMIZE)) - { - ::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()->Refresh(); + return true; } } -#endif - Default(); -} +#endif // Win95 -// Client window -wxMDIClientWindow::wxMDIClientWindow() -{ - m_scrollX = 0; - m_scrollY = 0; + return false; } -wxMDIClientWindow::~wxMDIClientWindow() -{ -} +// =========================================================================== +// wxMDIClientWindow: the window of predefined (by Windows) class which +// contains the child frames +// =========================================================================== 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; + CLIENTCREATESTRUCT ccs; + m_windowStyle = style; + m_parent = parent; - ccs.hWindowMenu = (HMENU) parent->GetWindowMenu(); - ccs.idFirstChild = wxFIRST_MDI_CHILD; + ccs.hWindowMenu = GetMDIWindowMenu(parent); + ccs.idFirstChild = wxFIRST_MDI_CHILD; - DWORD msStyle = WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN ; - if ( parent->GetWindowStyleFlag() & wxHSCROLL ) - msStyle |= WS_HSCROLL; - if ( parent->GetWindowStyleFlag() & wxVSCROLL ) - msStyle |= WS_VSCROLL ; + 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; + DWORD exStyle = WS_EX_CLIENTEDGE; #else - DWORD exStyle = 0; + DWORD exStyle = 0; #endif - wxWndHook = this; - m_hWnd = (WXHWND) ::CreateWindowEx(exStyle, "mdiclient", NULL, - msStyle, 0, 0, 0, 0, (HWND) parent->GetHWND(), NULL, - wxGetInstance(), (LPSTR)(LPCLIENTCREATESTRUCT)&ccs); - SubclassWin(m_hWnd); - wxWndHook = NULL; + wxWindowCreationHook hook(this); + m_hWnd = (WXHWND)::CreateWindowEx + ( + exStyle, + wxT("MDICLIENT"), + NULL, + msStyle, + 0, 0, 0, 0, + GetWinHwnd(parent), + NULL, + wxGetInstance(), + (LPSTR)(LPCLIENTCREATESTRUCT)&ccs); + if ( !m_hWnd ) + { + wxLogLastError(wxT("CreateWindowEx(MDI client)")); - return (m_hWnd != 0) ; -} + return false; + } -// Window procedure: here for debugging purposes -long wxMDIClientWindow::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) -{ - return wxWindow::MSWWindowProc(nMsg, wParam, lParam); -// return MSWDefWindowProc(nMsg, wParam, lParam); -} + SubclassWin(m_hWnd); -long wxMDIClientWindow::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) -{ - if ( MSWGetOldWndProc() != 0) - return ::CallWindowProc(CASTWNDPROC MSWGetOldWndProc(), (HWND) GetHWND(), (UINT) nMsg, (WPARAM) wParam, (LPARAM) lParam); - else - return ::DefWindowProc((HWND) m_hWnd, (UINT) nMsg, (WPARAM) wParam, (LPARAM) lParam); + return true; } // Explicitly call default scroll behaviour @@ -1121,12 +1272,181 @@ void wxMDIClientWindow::OnScroll(wxScrollEvent& event) else m_scrollY = event.GetPosition(); // Always returns zero! - Default(); + 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. + + wxPoint oldPos = GetPosition(); + + wxWindow::DoSetSize(x, y, width, height, sizeFlags); + + 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(); } -// Should hand the message to the default proc -long wxMDIClientWindow::MSWOnMDIActivate(long bActivate, WXHWND, WXHWND) +// --------------------------------------------------------------------------- +// non member functions +// --------------------------------------------------------------------------- + +static void MDISetMenu(wxWindow *win, HMENU hmenuFrame, HMENU hmenuWindow) { - return Default(); + ::SendMessage(GetWinHwnd(win), WM_MDISETMENU, +#ifdef __WIN32__ + (WPARAM)hmenuFrame, (LPARAM)hmenuWindow +#else + 0, MAKELPARAM(hmenuFrame, hmenuWindow) +#endif + ); + + // 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)); } +static void InsertWindowMenu(wxWindow *win, WXHMENU menu, HMENU subMenu) +{ + // Try to insert Window menu in front of Help, otherwise append it. + HMENU hmenu = (HMENU)menu; + + 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 ) + { + wxLogLastError(wxT("GetMenuString")); + + continue; + } + + if ( wxStripMenuCodes(wxString(buf)).IsSameAs(_("Help")) ) + { + success = true; + ::InsertMenu(hmenu, i, MF_BYPOSITION | MF_POPUP | MF_STRING, + (UINT)subMenu, _("&Window")); + break; + } + } + + if ( !success ) + { + ::AppendMenu(hmenu, MF_POPUP, (UINT)subMenu, _("&Window")); + } + } + + MDISetMenu(win, hmenu, subMenu); +} + +static void RemoveWindowMenu(wxWindow *win, WXHMENU menu) +{ + HMENU hMenu = (HMENU)menu; + + if ( hMenu ) + { + wxChar buf[1024]; + + int N = ::GetMenuItemCount(hMenu); + for ( int i = 0; i < N; i++ ) + { + 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; + } + + if ( wxStrcmp(buf, _("&Window")) == 0 ) + { + if ( !::RemoveMenu(hMenu, i, MF_BYPOSITION) ) + { + wxLogLastError(wxT("RemoveMenu")); + } + + break; + } + } + } + + 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) +{ + *activate = true; + *hwndAct = (WXHWND)lParam; + *hwndDeact = (WXHWND)wParam; +} + +#endif // wxUSE_MDI && !defined(__WXUNIVERSAL__) +