X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/57bd4c6031d438f11af0ec540136f49a928b923c..9092371c0ad8090dc479d5015a1e69b3b9777e2f:/src/msw/window.cpp diff --git a/src/msw/window.cpp b/src/msw/window.cpp index bd227b7ed3..5ed982abb3 100644 --- a/src/msw/window.cpp +++ b/src/msw/window.cpp @@ -93,6 +93,7 @@ #include "wx/notebook.h" #include "wx/listctrl.h" +#include "wx/dynlib.h" #include @@ -119,7 +120,7 @@ #endif #endif -#if defined(TME_LEAVE) && defined(WM_MOUSELEAVE) +#if defined(TME_LEAVE) && defined(WM_MOUSELEAVE) && wxUSE_DYNLIB_CLASS #define HAVE_TRACKMOUSEEVENT #endif // everything needed for TrackMouseEvent() @@ -649,6 +650,47 @@ wxWindow *wxWindowBase::DoFindFocus() bool wxWindowMSW::Enable(bool enable) { + // we shouldn't really enable the window if our parent is currently + // disabled because under MSW this would indeed show the window in enabled + // state but it still wouldn't respond to the input (as its parent is + // disabled), so just update the internal m_childrenDisabled list in this + // case and our state will be really changed when the parent is enabled + + // the logic above doesn't apply to top level windows, of course + wxWindowMSW * const parent = IsTopLevel() ? NULL : GetParent(); + if ( parent && !parent->IsEnabled() && !IsEnabled() ) + { + // it's a reference as we can create it below + wxWindowList *& disabledSiblings = parent->m_childrenDisabled; + + bool rc = false; + if ( enable ) + { + // shouldn't be disabled when the parent is reenabled + if ( disabledSiblings ) + { + wxWindowList::compatibility_iterator + i = disabledSiblings->Find(this); + if ( i ) + { + disabledSiblings->Erase(i); + rc = true; + } + } + //else: nothing to do + } + else // !enable + { + // should disable this window when the parent is enabled + if ( !disabledSiblings ) + disabledSiblings = new wxWindowList; + + disabledSiblings->Append(this); + } + + return rc; + } + if ( !wxWindowBase::Enable(enable) ) return false; @@ -802,7 +844,30 @@ bool wxWindowMSW::SetCursor(const wxCursor& cursor) // don't "overwrite" busy cursor if ( m_cursor.Ok() && !wxIsBusy() ) { - ::SetCursor(GetHcursorOf(m_cursor)); + // normally we should change the cursor only if it's over this window + // but we should do it always if we capture the mouse currently + bool set = HasCapture(); + if ( !set ) + { + HWND hWnd = GetHwnd(); + + POINT point; +#ifdef __WXWINCE__ + ::GetCursorPosWinCE(&point); +#else + ::GetCursorPos(&point); +#endif + + RECT rect = wxGetWindowRect(hWnd); + + set = ::PtInRect(&rect, point) != 0; + } + + if ( set ) + { + ::SetCursor(GetHcursorOf(m_cursor)); + } + //else: will be set later when the mouse enters this window } return true; @@ -1539,9 +1604,13 @@ void wxWindowMSW::Update() // drag and drop // --------------------------------------------------------------------------- +#if wxUSE_DRAG_AND_DROP || !defined(__WXWINCE__) + +#if wxUSE_STATBOX + // we need to lower the sibling static boxes so controls contained within can be // a drop target -static inline void AdjustStaticBoxZOrder(wxWindow *parent) +static void AdjustStaticBoxZOrder(wxWindow *parent) { // no sibling static boxes if we have no parent (ie TLW) if ( !parent ) @@ -1560,6 +1629,16 @@ static inline void AdjustStaticBoxZOrder(wxWindow *parent) } } +#else // !wxUSE_STATBOX + +static inline void AdjustStaticBoxZOrder(wxWindow * WXUNUSED(parent)) +{ +} + +#endif // wxUSE_STATBOX/!wxUSE_STATBOX + +#endif // drag and drop is used + #if wxUSE_DRAG_AND_DROP void wxWindowMSW::SetDropTarget(wxDropTarget *pDropTarget) { @@ -1701,6 +1780,13 @@ void wxWindowMSW::DoGetPosition(int *x, int *y) const // children, not for the dialogs/frames if ( !IsTopLevel() ) { + if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft ) + { + // In RTL mode, we want the logical left x-coordinate, + // which would be the physical right x-coordinate. + point.x = rect.right; + } + // Since we now have the absolute screen coords, if there's a // parent we must subtract its top left corner if ( parent ) @@ -2133,10 +2219,13 @@ bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg) switch ( msg->wParam ) { case VK_TAB: - if ( lDlgCode & DLGC_WANTTAB ) { + if ( (lDlgCode & DLGC_WANTTAB) && !bCtrlDown ) + { + // let the control have the TAB bProcess = false; } - else { + else // use it for navigation + { // Ctrl-Tab cycles thru notebook pages bWindowChange = bCtrlDown; bForward = !bShiftDown; @@ -2166,9 +2255,9 @@ bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg) // we treat PageUp/Dn as arrows because chances are that // a control which needs arrows also needs them for // navigation (e.g. wxTextCtrl, wxListCtrl, ...) - if ( (lDlgCode & DLGC_WANTARROWS) || !bCtrlDown ) + if ( (lDlgCode & DLGC_WANTARROWS) && !bCtrlDown ) bProcess = false; - else + else // OTOH Ctrl-PageUp/Dn works as [Shift-]Ctrl-Tab bWindowChange = true; break; @@ -2254,90 +2343,10 @@ bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg) } } - // don't let IsDialogMessage() get VK_ESCAPE as it _always_ eats the - // message even when there is no cancel button and when the message is - // needed by the control itself: in particular, it prevents the tree in - // place edit control from being closed with Escape in a dialog - if ( msg->message != WM_KEYDOWN || msg->wParam != VK_ESCAPE ) + if ( ::IsDialogMessage(GetHwnd(), msg) ) { - // ::IsDialogMessage() is broken and may sometimes hang the - // application by going into an infinite loop, so we try to detect - // [some of] the situations when this may happen and not call it - // then - - // assume we can call it by default - bool canSafelyCallIsDlgMsg = true; - - HWND hwndFocus = ::GetFocus(); - - // if the currently focused window itself has WS_EX_CONTROLPARENT style, ::IsDialogMessage() will also enter - // an infinite loop, because it will recursively check the child - // windows but not the window itself and so if none of the children - // accepts focus it loops forever (as it only stops when it gets - // back to the window it started from) - // - // while it is very unusual that a window with WS_EX_CONTROLPARENT - // style has the focus, it can happen. One such possibility is if - // all windows are either toplevel, wxDialog, wxPanel or static - // controls and no window can actually accept keyboard input. -#if !defined(__WXWINCE__) - if ( ::GetWindowLong(hwndFocus, GWL_EXSTYLE) & WS_EX_CONTROLPARENT ) - { - // pessimistic by default - canSafelyCallIsDlgMsg = false; - for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); - node; - node = node->GetNext() ) - { - wxWindow * const win = node->GetData(); - if ( win->AcceptsFocus() && - !(::GetWindowLong(GetHwndOf(win), GWL_EXSTYLE) & - WS_EX_CONTROLPARENT) ) - { - // it shouldn't hang... - canSafelyCallIsDlgMsg = true; - - break; - } - } - } -#endif // !__WXWINCE__ - - if ( canSafelyCallIsDlgMsg ) - { - // ::IsDialogMessage() can enter in an infinite loop when the - // currently focused window is disabled or hidden and its - // parent has WS_EX_CONTROLPARENT style, so don't call it in - // this case - while ( hwndFocus ) - { - if ( !::IsWindowEnabled(hwndFocus) || - !::IsWindowVisible(hwndFocus) ) - { - // it would enter an infinite loop if we do this! - canSafelyCallIsDlgMsg = false; - - break; - } - - if ( !(::GetWindowLong(hwndFocus, GWL_STYLE) & WS_CHILD) ) - { - // it's a top level window, don't go further -- e.g. even - // if the parent of a dialog is disabled, this doesn't - // break navigation inside the dialog - break; - } - - hwndFocus = ::GetParent(hwndFocus); - } - } - - // let IsDialogMessage() have the message if it's safe to call it - if ( canSafelyCallIsDlgMsg && ::IsDialogMessage(GetHwnd(), msg) ) - { - // IsDialogMessage() did something... - return true; - } + // IsDialogMessage() did something... + return true; } } #endif // __WXUNIVERSAL__ @@ -2365,10 +2374,96 @@ bool wxWindowMSW::MSWTranslateMessage(WXMSG* pMsg) #endif // wxUSE_ACCEL } -bool wxWindowMSW::MSWShouldPreProcessMessage(WXMSG* WXUNUSED(pMsg)) +bool wxWindowMSW::MSWShouldPreProcessMessage(WXMSG* msg) { - // preprocess all messages by default - return true; + // all tests below have to deal with various bugs/misfeatures of + // IsDialogMessage(): we have to prevent it from being called from our + // MSWProcessMessage() in some situations + + // don't let IsDialogMessage() get VK_ESCAPE as it _always_ eats the + // message even when there is no cancel button and when the message is + // needed by the control itself: in particular, it prevents the tree in + // place edit control from being closed with Escape in a dialog + if ( msg->message == WM_KEYDOWN && msg->wParam == VK_ESCAPE ) + { + return false; + } + + // ::IsDialogMessage() is broken and may sometimes hang the application by + // going into an infinite loop when it tries to find the control to give + // focus to when Alt- is pressed, so we try to detect [some of] the + // situations when this may happen and not call it then + if ( msg->message != WM_SYSCHAR ) + return true; + + // assume we can call it by default + bool canSafelyCallIsDlgMsg = true; + + HWND hwndFocus = ::GetFocus(); + + // if the currently focused window itself has WS_EX_CONTROLPARENT style, + // ::IsDialogMessage() will also enter an infinite loop, because it will + // recursively check the child windows but not the window itself and so if + // none of the children accepts focus it loops forever (as it only stops + // when it gets back to the window it started from) + // + // while it is very unusual that a window with WS_EX_CONTROLPARENT + // style has the focus, it can happen. One such possibility is if + // all windows are either toplevel, wxDialog, wxPanel or static + // controls and no window can actually accept keyboard input. +#if !defined(__WXWINCE__) + if ( ::GetWindowLong(hwndFocus, GWL_EXSTYLE) & WS_EX_CONTROLPARENT ) + { + // pessimistic by default + canSafelyCallIsDlgMsg = false; + for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); + node; + node = node->GetNext() ) + { + wxWindow * const win = node->GetData(); + if ( win->AcceptsFocus() && + !(::GetWindowLong(GetHwndOf(win), GWL_EXSTYLE) & + WS_EX_CONTROLPARENT) ) + { + // it shouldn't hang... + canSafelyCallIsDlgMsg = true; + + break; + } + } + } +#endif // !__WXWINCE__ + + if ( canSafelyCallIsDlgMsg ) + { + // ::IsDialogMessage() can enter in an infinite loop when the + // currently focused window is disabled or hidden and its + // parent has WS_EX_CONTROLPARENT style, so don't call it in + // this case + while ( hwndFocus ) + { + if ( !::IsWindowEnabled(hwndFocus) || + !::IsWindowVisible(hwndFocus) ) + { + // it would enter an infinite loop if we do this! + canSafelyCallIsDlgMsg = false; + + break; + } + + if ( !(::GetWindowLong(hwndFocus, GWL_STYLE) & WS_CHILD) ) + { + // it's a top level window, don't go further -- e.g. even + // if the parent of a dialog is disabled, this doesn't + // break navigation inside the dialog + break; + } + + hwndFocus = ::GetParent(hwndFocus); + } + } + + return canSafelyCallIsDlgMsg; } // --------------------------------------------------------------------------- @@ -2617,7 +2712,8 @@ WXLRESULT wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM l #ifdef HAVE_TRACKMOUSEEVENT case WM_MOUSELEAVE: - // filter out excess WM_MOUSELEAVE events sent after PopupMenu() (on XP at least) + // filter out excess WM_MOUSELEAVE events sent after PopupMenu() + // (on XP at least) if ( m_mouseInWindow ) { GenerateMouseLeave(); @@ -2809,12 +2905,12 @@ WXLRESULT wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM l #endif // defined(WM_DRAWITEM) case WM_GETDLGCODE: - if ( !IsOfStandardClass() ) + if ( !IsOfStandardClass() || HasFlag(wxWANTS_CHARS) ) { // we always want to get the char events rc.result = DLGC_WANTCHARS; - if ( GetWindowStyleFlag() & wxWANTS_CHARS ) + if ( HasFlag(wxWANTS_CHARS) ) { // in fact, we want everything rc.result |= DLGC_WANTARROWS | @@ -3937,6 +4033,19 @@ bool wxWindowMSW::HandlePower(WXWPARAM WXUNUSED_IN_WINCE(wParam), #endif } +bool wxWindowMSW::IsDoubleBuffered() const +{ + for ( const wxWindowMSW *wnd = this; + wnd && !wnd->IsTopLevel(); wnd = + wnd->GetParent() ) + { + if ( ::GetWindowLong(GetHwndOf(wnd), GWL_EXSTYLE) & WS_EX_COMPOSITED ) + return true; + } + + return false; +} + // --------------------------------------------------------------------------- // owner drawn stuff // --------------------------------------------------------------------------- @@ -4352,7 +4461,7 @@ void wxWindowMSW::OnPaint(wxPaintEvent& event) bool wxWindowMSW::HandleEraseBkgnd(WXHDC hdc) { - wxDCTemp dc(hdc); + wxDCTemp dc(hdc, GetClientSize()); dc.SetHDC(hdc); dc.SetWindow((wxWindow *)this); @@ -4455,11 +4564,37 @@ WXHBRUSH wxWindowMSW::MSWGetBgBrush(WXHDC hDC, WXHWND hWndToPaint) return 0; } -bool wxWindowMSW::HandlePrintClient(WXHDC WXUNUSED(hDC)) +bool wxWindowMSW::HandlePrintClient(WXHDC hDC) { - // TODO: handle wxBG_STYLE_CUSTOM and/or wxBG_STYLE_COLOUR here so when - // DrawParentThemeBackground() from uxtheme.dll is called we don't get - // the default background e.g. the border when custom drawing buttons + // we receive this message when DrawThemeParentBackground() is + // called from def window proc of several controls under XP and we + // must draw properly themed background here + // + // note that naively I'd expect filling the client rect with the + // brush returned by MSWGetBgBrush() work -- but for some reason it + // doesn't and we have to call parents MSWPrintChild() which is + // supposed to call DrawThemeBackground() with appropriate params + // + // also note that in this case lParam == PRF_CLIENT but we're + // clearly expected to paint the background and nothing else! + + if ( IsTopLevel() || InheritsBackgroundColour() ) + return false; + + // sometimes we don't want the parent to handle it at all, instead + // return whatever value this window wants + if ( !MSWShouldPropagatePrintChild() ) + return MSWPrintChild(hDC, (wxWindow *)this); + + for ( wxWindow *win = GetParent(); win; win = win->GetParent() ) + { + if ( win->MSWPrintChild(hDC, (wxWindow *)this) ) + return true; + + if ( win->IsTopLevel() || win->InheritsBackgroundColour() ) + break; + } + return false; } @@ -4866,14 +5001,41 @@ bool wxWindowMSW::HandleMouseMove(int x, int y, WXUINT flags) m_mouseInWindow = true; #ifdef HAVE_TRACKMOUSEEVENT - WinStruct trackinfo; + typedef BOOL (WINAPI *_TrackMouseEvent_t)(LPTRACKMOUSEEVENT); +#ifdef __WXWINCE__ + static const _TrackMouseEvent_t + s_pfn_TrackMouseEvent = _TrackMouseEvent; +#else // !__WXWINCE__ + static _TrackMouseEvent_t s_pfn_TrackMouseEvent; + static bool s_initDone = false; + if ( !s_initDone ) + { + wxLogNull noLog; + + wxDynamicLibrary dllComCtl32(_T("comctl32.dll"), wxDL_VERBATIM); + if ( dllComCtl32.IsLoaded() ) + { + s_pfn_TrackMouseEvent = (_TrackMouseEvent_t) + dllComCtl32.GetSymbol(_T("_TrackMouseEvent")); + } - trackinfo.dwFlags = TME_LEAVE; - trackinfo.hwndTrack = GetHwnd(); + s_initDone = true; + + // notice that it's ok to unload comctl32.dll here as it won't + // be really unloaded, being still in use because we link to it + // statically too + } + + if ( s_pfn_TrackMouseEvent ) +#endif // __WXWINCE__/!__WXWINCE__ + { + WinStruct trackinfo; - // Use the commctrl.h _TrackMouseEvent(), which will call the real - // TrackMouseEvent() if available or emulate it - _TrackMouseEvent(&trackinfo); + trackinfo.dwFlags = TME_LEAVE; + trackinfo.hwndTrack = GetHwnd(); + + (*s_pfn_TrackMouseEvent)(&trackinfo); + } #endif // HAVE_TRACKMOUSEEVENT wxMouseEvent event(wxEVT_ENTER_WINDOW); @@ -4883,7 +5045,7 @@ bool wxWindowMSW::HandleMouseMove(int x, int y, WXUINT flags) } } #ifdef HAVE_TRACKMOUSEEVENT - else + else // mouse not in window { // Check if we need to send a LEAVE event // Windows doesn't send WM_MOUSELEAVE if the mouse has been captured so @@ -5648,13 +5810,26 @@ WXWORD wxCharCodeWXToMSW(int wxk, bool *isVirtual) return vk; } +#ifndef SM_SWAPBUTTON + #define SM_SWAPBUTTON 23 +#endif + // small helper for wxGetKeyState() and wxGetMouseState() static inline bool wxIsKeyDown(WXWORD vk) { + switch (vk) + { + case VK_LBUTTON: + if (GetSystemMetrics(SM_SWAPBUTTON)) vk = VK_RBUTTON; + break; + case VK_RBUTTON: + if (GetSystemMetrics(SM_SWAPBUTTON)) vk = VK_LBUTTON; + break; + } // the low order bit indicates whether the key was pressed since the last // call and the high order one indicates whether it is down right now and // we only want that one - return (::GetAsyncKeyState(vk) & (1<<15)) != 0; + return (GetAsyncKeyState(vk) & (1<<15)) != 0; } bool wxGetKeyState(wxKeyCode key) @@ -5674,7 +5849,7 @@ bool wxGetKeyState(wxKeyCode key) // low order bit means LED is highlighted and high order one means the // key is down; for compatibility with the other ports return true if // either one is set - return ::GetKeyState(vk) != 0; + return GetKeyState(vk) != 0; } else // normal key