X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7f9510b24e556ef75b4c0b387544bf551fbe07bc..41286fd1def19641be3ae5bb9666c84a1c0b5525:/src/msw/window.cpp?ds=sidebyside diff --git a/src/msw/window.cpp b/src/msw/window.cpp index aa47fded24..10d88547e1 100644 --- a/src/msw/window.cpp +++ b/src/msw/window.cpp @@ -118,7 +118,6 @@ #endif #endif - // --------------------------------------------------------------------------- // global variables // --------------------------------------------------------------------------- @@ -433,11 +432,7 @@ bool wxWindowMSW::Create(wxWindow *parent, m_isShown = FALSE; } - return MSWCreate(m_windowId, parent, wxCanvasClassName, - (wxWindow *)this, NULL, - pos.x, pos.y, - WidthDefault(size.x), HeightDefault(size.y), - msflags, NULL, exStyle); + return MSWCreate(wxCanvasClassName, NULL, pos, size, msflags, exStyle); } // --------------------------------------------------------------------------- @@ -986,11 +981,19 @@ void wxWindowMSW::SubclassWin(WXHWND hWnd) wxAssociateWinWithHandle(hwnd, this); - m_oldWndProc = (WXFARPROC) GetWindowLong(hwnd, GWL_WNDPROC); - - wxASSERT( (WXFARPROC) m_oldWndProc != (WXFARPROC) wxWndProc ); + m_oldWndProc = (WXFARPROC)::GetWindowLong(hwnd, GWL_WNDPROC); - SetWindowLong(hwnd, GWL_WNDPROC, (LONG) wxWndProc); + // we don't need to subclass the window of our own class (in the Windows + // sense of the word) + if ( (WXFARPROC) m_oldWndProc != (WXFARPROC) wxWndProc ) + { + ::SetWindowLong(hwnd, GWL_WNDPROC, (LONG) wxWndProc); + } + else + { + // don't bother restoring it neither + m_oldWndProc = NULL; + } } void wxWindowMSW::UnsubclassWin() @@ -1005,11 +1008,15 @@ void wxWindowMSW::UnsubclassWin() wxCHECK_RET( ::IsWindow(hwnd), wxT("invalid HWND in UnsubclassWin") ); - FARPROC farProc = (FARPROC) GetWindowLong(hwnd, GWL_WNDPROC); - if ( (m_oldWndProc != 0) && (farProc != (FARPROC) m_oldWndProc) ) + if ( m_oldWndProc ) { - SetWindowLong(hwnd, GWL_WNDPROC, (LONG) m_oldWndProc); - m_oldWndProc = 0; + FARPROC wndProc = (FARPROC)::GetWindowLong(hwnd, GWL_WNDPROC); + if ( wndProc != (FARPROC) m_oldWndProc ) + { + ::SetWindowLong(hwnd, GWL_WNDPROC, (LONG) m_oldWndProc); + } + + m_oldWndProc = NULL; } } } @@ -1035,6 +1042,7 @@ WXDWORD wxWindowMSW::MakeExtendedStyle(long style, bool eliminateBorders) exStyle |= WS_EX_STATICEDGE; #endif } + return exStyle; } @@ -1042,7 +1050,7 @@ WXDWORD wxWindowMSW::MakeExtendedStyle(long style, bool eliminateBorders) // applying a default border style if required, and returning an extended // style to pass to CreateWindowEx. WXDWORD wxWindowMSW::Determine3DEffects(WXDWORD defaultBorderStyle, - bool *want3D) const + bool *want3D) const { // If matches certain criteria, then assume no 3D effects // unless specifically requested (dealt with in MakeExtendedStyle) @@ -1053,7 +1061,7 @@ WXDWORD wxWindowMSW::Determine3DEffects(WXDWORD defaultBorderStyle, || (m_windowStyle & wxNO_BORDER) ) { *want3D = FALSE; - return MakeExtendedStyle(m_windowStyle, FALSE); + return MakeExtendedStyle(m_windowStyle); } // Determine whether we should be using 3D effects or not. @@ -2007,7 +2015,19 @@ void wxWindowMSW::UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam, // Hook for new window just as it's being created, when the window isn't yet // associated with the handle -wxWindowMSW *wxWndHook = NULL; +static wxWindowMSW *gs_winBeingCreated = NULL; + +// implementation of wxWindowCreationHook class: it just sets gs_winBeingCreated to the +// window being created and insures that it's always unset back later +wxWindowCreationHook::wxWindowCreationHook(wxWindowMSW *winBeingCreated) +{ + gs_winBeingCreated = winBeingCreated; +} + +wxWindowCreationHook::~wxWindowCreationHook() +{ + gs_winBeingCreated = NULL; +} // Main window proc LRESULT WXDLLEXPORT APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) @@ -2021,38 +2041,21 @@ LRESULT WXDLLEXPORT APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message, WPARAM w wxWindowMSW *wnd = wxFindWinFromHandle((WXHWND) hWnd); // when we get the first message for the HWND we just created, we associate - // it with wxWindow stored in wxWndHook - if ( !wnd && wxWndHook ) + // it with wxWindow stored in gs_winBeingCreated + if ( !wnd && gs_winBeingCreated ) { -#if 0 // def __WXDEBUG__ - char buf[512]; - ::GetClassNameA((HWND) hWnd, buf, 512); - wxString className(buf); -#endif - - wxAssociateWinWithHandle(hWnd, wxWndHook); - wnd = wxWndHook; - wxWndHook = NULL; + wxAssociateWinWithHandle(hWnd, gs_winBeingCreated); + wnd = gs_winBeingCreated; + gs_winBeingCreated = NULL; wnd->SetHWND((WXHWND)hWnd); } LRESULT rc; - // Stop right here if we don't have a valid handle in our wxWindow object. - if ( wnd && !wnd->GetHWND() ) - { - // FIXME: why do we do this? - wnd->SetHWND((WXHWND) hWnd); - rc = wnd->MSWDefWindowProc(message, wParam, lParam ); - wnd->SetHWND(0); - } + if ( wnd ) + rc = wnd->MSWWindowProc(message, wParam, lParam); else - { - if ( wnd ) - rc = wnd->MSWWindowProc(message, wParam, lParam); - else - rc = DefWindowProc( hWnd, message, wParam, lParam ); - } + rc = ::DefWindowProc(hWnd, message, wParam, lParam); return rc; } @@ -2558,7 +2561,10 @@ long wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam break; #endif // __WIN32__ -#ifdef __WXUNIVERSAL__ + // unfortunately this doesn't really work as then window which + // doesn't accept focus doesn't get any mouse events neither which + // means it can't get any input at all +#if 0 //def __WXUNIVERSAL__ case WM_NCHITTEST: // we shouldn't allow the windows which don't want to get focus to // get it @@ -2583,37 +2589,17 @@ long wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam return rc.result; } -// Dialog window proc -LONG APIENTRY _EXPORT -wxDlgProc(HWND WXUNUSED(hWnd), UINT message, WPARAM WXUNUSED(wParam), LPARAM WXUNUSED(lParam)) -{ - if ( message == WM_INITDIALOG ) - { - // for this message, returning TRUE tells system to set focus to the - // first control in the dialog box - return TRUE; - } - else - { - // for all the other ones, FALSE means that we didn't process the - // message - return 0; - } -} +// ---------------------------------------------------------------------------- +// wxWindow <-> HWND map +// ---------------------------------------------------------------------------- + +wxWinHashTable *wxWinHandleHash = NULL; -wxList *wxWinHandleList = NULL; wxWindow *wxFindWinFromHandle(WXHWND hWnd) { - wxNode *node = wxWinHandleList->Find((long)hWnd); - if ( !node ) - return NULL; - return (wxWindow *)node->Data(); + return wxWinHandleHash->Get((long)hWnd); } -#if 0 // def __WXDEBUG__ -static int gs_AssociationCount = 0; -#endif - void wxAssociateWinWithHandle(HWND hWnd, wxWindowMSW *win) { // adding NULL hWnd is (first) surely a result of an error and @@ -2621,36 +2607,30 @@ void wxAssociateWinWithHandle(HWND hWnd, wxWindowMSW *win) wxCHECK_RET( hWnd != (HWND)NULL, wxT("attempt to add a NULL hWnd to window list ignored") ); - wxWindow *oldWin = wxFindWinFromHandle((WXHWND) hWnd); +#ifdef __WXDEBUG__ if ( oldWin && (oldWin != win) ) { - wxString str(win->GetClassInfo()->GetClassName()); - wxLogError(wxT("Bug! Found existing HWND %X for new window of class %s"), (int) hWnd, (const wxChar*) str); + wxLogDebug(wxT("HWND %X already associated with another window (%s)"), + hWnd, win->GetClassInfo()->GetClassName()); } - else if (!oldWin) + else +#endif // __WXDEBUG__ + if (!oldWin) { -#if 0 // def __WXDEBUG__ - gs_AssociationCount ++; - wxLogDebug("+ Association %d", gs_AssociationCount); -#endif - - wxWinHandleList->Append((long)hWnd, win); + wxWinHandleHash->Put((long)hWnd, win); } } void wxRemoveHandleAssociation(wxWindowMSW *win) { -#if 0 // def __WXDEBUG__ - if (wxWinHandleList->Member(win)) - { - wxLogDebug("- Association %d", gs_AssociationCount); - gs_AssociationCount --; - } -#endif - wxWinHandleList->DeleteObject(win); + wxWinHandleHash->Delete((long)win->GetHWND()); } +// ---------------------------------------------------------------------------- +// various MSW speciic class dependent functions +// ---------------------------------------------------------------------------- + // Default destroyer - override if you destroy it in some other way // (e.g. with MDI child windows) void wxWindowMSW::MSWDestroyWindow() @@ -2686,61 +2666,78 @@ void wxWindowMSW::MSWDetachWindowMenu() } } } -#endif +#endif // __WXUNIVERSAL__ } -bool wxWindowMSW::MSWCreate(int id, - wxWindow *parent, - const wxChar *wclass, - wxWindow * WXUNUSED(wx_win), - const wxChar *title, - int x, - int y, - int width, - int height, - WXDWORD style, - const wxChar *dialog_template, - WXDWORD extendedStyle) +bool wxWindowMSW::MSWGetCreateWindowCoords(const wxPoint& pos, + const wxSize& size, + int& x, int& y, + int& w, int& h) const { - int x1 = CW_USEDEFAULT; - int y1 = 0; - int width1 = CW_USEDEFAULT; - int height1 = 100; + bool nonDefault = FALSE; - // Find parent's size, if it exists, to set up a possible default - // panel size the size of the parent window - RECT rectParent; - if ( parent ) + if ( pos.x == -1 ) { - ::GetClientRect(GetHwndOf(parent), &rectParent); - - width1 = rectParent.right - rectParent.left; - height1 = rectParent.bottom - rectParent.top; - } - - if ( x != -1 ) - x1 = x; - if ( y != -1 ) - y1 = y; - if ( width != -1 ) - width1 = width; - if ( height != -1 ) - height1 = height; - - // unfortunately, setting WS_EX_CONTROLPARENT only for some windows in the - // hierarchy with several embedded panels (and not all of them) causes the - // program to hang during the next call to IsDialogMessage() due to the bug - // in this function (at least in Windows NT 4.0, it seems to work ok in - // Win2K) -#if 0 - // if we have wxTAB_TRAVERSAL style, we want WS_EX_CONTROLPARENT or - // IsDialogMessage() won't work for us - if ( GetWindowStyleFlag() & wxTAB_TRAVERSAL ) + // if set x to CW_USEDEFAULT, y parameter is ignored anyhow so we can + // just as well set it to CW_USEDEFAULT as well + x = + y = CW_USEDEFAULT; + } + else + { + x = pos.x; + y = pos.y == -1 ? CW_USEDEFAULT : pos.y; + + nonDefault = TRUE; + } + + /* + NB: there used to be some code here which set the initial size of the + window to the client size of the parent if no explicit size was + specified. This was wrong because wxWindows programs often assume + that they get a WM_SIZE (EVT_SIZE) upon creation, however this broke + it. To see why, you should understand that Windows sends WM_SIZE from + inside ::CreateWindow() anyhow. However, ::CreateWindow() is called + from some base class ctor and so this WM_SIZE is not processed in the + real class' OnSize() (because it's not fully constructed yet and the + event goes to some base class OnSize() instead). So the WM_SIZE we + rely on is the one sent when the parent frame resizes its children + but here is the problem: if the child already has just the right + size, nothing will happen as both wxWindows and Windows check for + this and ignore any attempts to change the window size to the size it + already has - so no WM_SIZE would be sent. + */ + if ( size.x == -1 ) { - extendedStyle |= WS_EX_CONTROLPARENT; + // as abobe, h is not used at all in this case anyhow + w = + h = CW_USEDEFAULT; } -#endif // 0 + else + { + w = size.x; + h = size.y == -1 ? CW_USEDEFAULT : size.y; + + nonDefault = TRUE; + } + + return nonDefault; +} + +bool wxWindowMSW::MSWCreate(const wxChar *wclass, + const wxChar *title, + const wxPoint& pos, + const wxSize& size, + WXDWORD style, + WXDWORD extendedStyle) +{ + // choose the position/size for the new window + int x, y, w, h; + (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h); + // find the correct parent HWND + wxWindow *parent = GetParent(); + bool isChild = (style & WS_CHILD) != 0; HWND hParent; if ( GetWindowStyleFlag() & wxPOPUP_WINDOW ) { @@ -2748,147 +2745,77 @@ bool wxWindowMSW::MSWCreate(int id, // be limited to the parents client area as child windows usually are hParent = ::GetDesktopWindow(); } - else if ( parent ) - { - hParent = GetHwndOf(parent); - } - else - { - // top level window - hParent = NULL; - } - - wxWndHook = this; - -#ifndef __WXMICROWIN__ - if ( dialog_template ) + else // !popup { - // for the dialogs without wxDIALOG_NO_PARENT style, use the top level - // app window as parent - this avoids creating modal dialogs without - // parent - if ( !hParent && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) ) - { - wxWindow *winTop = wxTheApp->GetTopWindow(); - if ( winTop ) - hParent = GetHwndOf(winTop); - } - - m_hWnd = (WXHWND)::CreateDialog(wxGetInstance(), - dialog_template, - hParent, - (DLGPROC)wxDlgProc); - - if ( m_hWnd == 0 ) - { - wxLogError(_("Can't find dialog template '%s'!\nCheck resource include path for finding wx.rc."), - dialog_template); - - return FALSE; - } - - if ( extendedStyle != 0 ) + if ( (isChild || HasFlag(wxFRAME_TOOL_WINDOW)) && parent ) { - ::SetWindowLong(GetHwnd(), GWL_EXSTYLE, extendedStyle); - ::SetWindowPos(GetHwnd(), NULL, 0, 0, 0, 0, - SWP_NOSIZE | - SWP_NOMOVE | - SWP_NOZORDER | - SWP_NOACTIVATE); + // this is either a normal child window or a top level window with + // wxFRAME_TOOL_WINDOW style (see below) + hParent = GetHwndOf(parent); } - -#if defined(__WIN95__) - // For some reason, the system menu is activated when we use the - // WS_EX_CONTEXTHELP style, so let's set a reasonable icon - if (extendedStyle & WS_EX_CONTEXTHELP) + else { - wxFrame *winTop = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame); - if ( winTop ) - { - wxIcon icon = winTop->GetIcon(); - if ( icon.Ok() ) - { - ::SendMessage(GetHwnd(), WM_SETICON, - (WPARAM)TRUE, - (LPARAM)GetHiconOf(icon)); - } - } + // this is either a window for which no parent was specified (not + // much we can do then) or a frame without wxFRAME_TOOL_WINDOW + // style: we should use NULL parent HWND for it or it would be + // always on top of its parent which is not what we usually want + // (in fact, we only want it for frames with the special + // wxFRAME_TOOL_WINDOW as above) + hParent = NULL; } -#endif // __WIN95__ + } - // JACS: is the following still necessary? The above seems to work. - - // ::SetWindowLong(GWL_EXSTYLE) doesn't work for the dialogs, so try - // to take care of (at least some) extended style flags ourselves - if ( extendedStyle & WS_EX_TOPMOST ) - { - if ( !::SetWindowPos(GetHwnd(), HWND_TOPMOST, 0, 0, 0, 0, - SWP_NOSIZE | SWP_NOMOVE) ) - { - wxLogLastError(wxT("SetWindowPos")); - } - } + // controlId is menu handle for the top level windows, so set it to 0 + // unless we're creating a child window + int controlId; + if ( isChild ) + { + controlId = GetId(); - // move the dialog to its initial position without forcing repainting - if ( !::MoveWindow(GetHwnd(), x1, y1, width1, height1, FALSE) ) + if ( GetWindowStyleFlag() & wxCLIP_SIBLINGS ) { - wxLogLastError(wxT("MoveWindow")); + style |= WS_CLIPSIBLINGS; } - } - else // creating a normal window, not a dialog -#endif // !__WXMICROWIN__ + else // !child { - int controlId = 0; - if ( style & WS_CHILD ) - { - controlId = id; - - if ( GetWindowStyleFlag() & wxCLIP_SIBLINGS ) - { - style |= WS_CLIPSIBLINGS; - } - } - - wxString className(wclass); - if ( GetWindowStyleFlag() & wxNO_FULL_REPAINT_ON_RESIZE ) - { - className += wxT("NR"); - } - - m_hWnd = (WXHWND)CreateWindowEx(extendedStyle, - className, - title ? title : wxT(""), - style, - x1, y1, - width1, height1, - hParent, (HMENU)controlId, - wxGetInstance(), - NULL); - - if ( !m_hWnd ) - { - wxLogSysError(_("Can't create window of class %s"), wclass); - - return FALSE; - } + controlId = 0; } - wxWndHook = NULL; - -#ifdef __WXDEBUG__ - wxNode* node = wxWinHandleList->Member(this); - if (node) + // for each class "Foo" we have we also have "FooNR" ("no repaint") class + // which is the same but without CS_[HV]REDRAW class styles so using it + // ensures that the window is not fully repainted on each resize + wxString className(wclass); + if ( GetWindowStyleFlag() & wxNO_FULL_REPAINT_ON_RESIZE ) { - HWND hWnd = (HWND) node->GetKeyInteger(); - if (hWnd != (HWND) m_hWnd) - { - wxLogError(wxT("A second HWND association is being added for the same window!")); - } + className += wxT("NR"); + } + + // do create the window + wxWindowCreationHook hook(this); + + m_hWnd = (WXHWND)::CreateWindowEx + ( + extendedStyle, + className, + title ? title : wxT(""), + style, + x, y, w, h, + hParent, + (HMENU)controlId, + wxGetInstance(), + NULL // no extra data + ); + + if ( !m_hWnd ) + { + wxLogSysError(_("Can't create window of class %s"), wclass); + + return FALSE; } -#endif // Debug - wxAssociateWinWithHandle((HWND) m_hWnd, this); + SubclassWin(m_hWnd); SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT)); @@ -3136,11 +3063,9 @@ bool wxWindowMSW::HandleDropFiles(WXWPARAM wParam) { #ifndef __WXMICROWIN__ HDROP hFilesInfo = (HDROP) wParam; - POINT dropPoint; - DragQueryPoint(hFilesInfo, (LPPOINT) &dropPoint); // Get the total number of files dropped - WORD gwFilesDropped = (WORD)::DragQueryFile + UINT gwFilesDropped = ::DragQueryFile ( (HDROP)hFilesInfo, (UINT)-1, @@ -3149,24 +3074,28 @@ bool wxWindowMSW::HandleDropFiles(WXWPARAM wParam) ); wxString *files = new wxString[gwFilesDropped]; - int wIndex; - for (wIndex=0; wIndex < (int)gwFilesDropped; wIndex++) + for ( UINT wIndex = 0; wIndex < gwFilesDropped; wIndex++ ) { - DragQueryFile (hFilesInfo, wIndex, (LPTSTR) wxBuffer, 1000); - files[wIndex] = wxBuffer; + // first get the needed buffer length (+1 for terminating NUL) + size_t len = ::DragQueryFile(hFilesInfo, wIndex, NULL, 0) + 1; + + // and now get the file name + ::DragQueryFile(hFilesInfo, wIndex, + files[wIndex].GetWriteBuf(len), len); + + files[wIndex].UngetWriteBuf(); } DragFinish (hFilesInfo); wxDropFilesEvent event(wxEVT_DROP_FILES, gwFilesDropped, files); event.m_eventObject = this; + + POINT dropPoint; + DragQueryPoint(hFilesInfo, (LPPOINT) &dropPoint); event.m_pos.x = dropPoint.x; event.m_pos.y = dropPoint.y; - bool rc = GetEventHandler()->ProcessEvent(event); - - delete[] files; - - return rc; + return GetEventHandler()->ProcessEvent(event); #else // __WXMICROWIN__ return FALSE; #endif @@ -3595,7 +3524,7 @@ bool wxWindowMSW::HandleGetMinMaxInfo(void *mmInfo) bool wxWindowMSW::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control) { #if wxUSE_MENUS_NATIVE - if ( wxCurrentPopupMenu ) + if ( !cmd && wxCurrentPopupMenu ) { wxMenu *popupMenu = wxCurrentPopupMenu; wxCurrentPopupMenu = NULL; @@ -3604,14 +3533,14 @@ bool wxWindowMSW::HandleCommand(WXWORD id, WXWORD cmd, WXHWND control) } #endif // wxUSE_MENUS_NATIVE - wxWindow *win = (wxWindow*) NULL; + wxWindow *win = NULL; if ( cmd == 0 || cmd == 1 ) // menu or accel - use id { // must cast to a signed type before comparing with other ids! win = FindItem((signed short)id); } - if (!win && control) + if ( !win && control ) { // find it from HWND - this works even with the broken programs using // the same ids for different controls