X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f763782968b314d45c416e2066b9ae5cc56aa406..bb80bb5b30d7b16f39e6c1c63637f98fdf4ff63a:/src/common/wincmn.cpp diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp index 4c5ebcc5da..9d374520a4 100644 --- a/src/common/wincmn.cpp +++ b/src/common/wincmn.cpp @@ -47,9 +47,10 @@ #if wxUSE_CONSTRAINTS #include "wx/layout.h" - #include "wx/sizer.h" #endif // wxUSE_CONSTRAINTS +#include "wx/sizer.h" + #if wxUSE_DRAG_AND_DROP #include "wx/dnd.h" #endif // wxUSE_DRAG_AND_DROP @@ -115,10 +116,6 @@ void wxWindowBase::InitBase() m_isShown = FALSE; m_isEnabled = TRUE; - // no client data (yet) - m_clientData = NULL; - m_clientDataType = wxClientData_None; - // the default event handler is just this window m_eventHandler = this; @@ -128,16 +125,21 @@ void wxWindowBase::InitBase() #endif // wxUSE_VALIDATORS // use the system default colours - m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_BTNFACE); - m_foregroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOWTEXT); + m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE); + m_foregroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT); // don't set the font here for wxMSW as we don't call WM_SETFONT here and // so the font is *not* really set - but calls to SetFont() later won't do // anything because m_font appears to be already set! #ifndef __WXMSW__ - m_font = wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT); + m_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); #endif // __WXMSW__ + // the colours/fonts are default for now + m_hasBgCol = + m_hasFgCol = + m_hasFont = FALSE; + // no style bits m_exStyle = m_windowStyle = 0; @@ -150,9 +152,11 @@ void wxWindowBase::InitBase() // no constraints whatsoever m_constraints = (wxLayoutConstraints *) NULL; m_constraintsInvolvedIn = (wxWindowList *) NULL; +#endif // wxUSE_CONSTRAINTS + m_windowSizer = (wxSizer *) NULL; + m_containingSizer = (wxSizer *) NULL; m_autoLayout = FALSE; -#endif // wxUSE_CONSTRAINTS #if wxUSE_DRAG_AND_DROP m_dropTarget = (wxDropTarget *)NULL; @@ -166,6 +170,16 @@ void wxWindowBase::InitBase() m_caret = (wxCaret *)NULL; #endif // wxUSE_CARET +#if wxUSE_PALETTE + m_hasCustomPalette = FALSE; +#endif // wxUSE_PALETTE + + m_virtualSize = wxDefaultSize; + m_minVirtualWidth = -1; + m_minVirtualHeight = -1; + m_maxVirtualWidth = -1; + m_maxVirtualHeight = -1; + // Whether we're using the current theme for this window (wxGTK only for now) m_themeEnabled = FALSE; } @@ -213,6 +227,8 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent, // common clean up wxWindowBase::~wxWindowBase() { + wxASSERT_MSG( GetCapture() != this, wxT("attempt to destroy window with mouse capture") ); + // FIXME if these 2 cases result from programming errors in the user code // we should probably assert here instead of silently fixing them @@ -236,10 +252,6 @@ wxWindowBase::~wxWindowBase() delete m_windowValidator; #endif // wxUSE_VALIDATORS - // we only delete object data, not untyped - if ( m_clientDataType == wxClientData_Object ) - delete m_clientObject; - #if wxUSE_CONSTRAINTS // Have to delete constraints/sizer FIRST otherwise sizers may try to look // at deleted windows as they delete themselves. @@ -254,11 +266,14 @@ wxWindowBase::~wxWindowBase() m_constraints = NULL; } +#endif // wxUSE_CONSTRAINTS + + if ( m_containingSizer ) + m_containingSizer->Remove((wxWindow*)this); + if ( m_windowSizer ) delete m_windowSizer; -#endif // wxUSE_CONSTRAINTS - #if wxUSE_DRAG_AND_DROP if ( m_dropTarget ) delete m_dropTarget; @@ -268,6 +283,12 @@ wxWindowBase::~wxWindowBase() if ( m_tooltip ) delete m_tooltip; #endif // wxUSE_TOOLTIPS + + // reset the dangling pointer our parent window may keep to us + if ( m_parent && m_parent->GetDefaultItem() == this ) + { + m_parent->SetDefaultItem(NULL); + } } bool wxWindowBase::Destroy() @@ -392,14 +413,18 @@ void wxWindowBase::Centre(int direction) wxRect rect = wxGetClientDisplayRect(); wxSize size (rect.width,rect.height); - if (posParent.x >= 0) // if parent is on the main display + // NB: in wxMSW, negative position may not neccessary mean "out of screen", + // but it may mean that the window is placed on other than the main + // display. Therefore we only make sure centered window is on the main display + // if the parent is at least partially present here. + if (posParent.x + widthParent >= 0) // if parent is (partially) on the main display { if (xNew < 0) xNew = 0; else if (xNew+width > size.x) xNew = size.x-width-1; } - if (posParent.y >= 0) // if parent is on the main display + if (posParent.y + heightParent >= 0) // if parent is (partially) on the main display { if (yNew+height > size.y) yNew = size.y-height-1; @@ -421,14 +446,7 @@ void wxWindowBase::Fit() { if ( GetChildren().GetCount() > 0 ) { - wxSize size = DoGetBestSize(); - - // for compatibility with the old versions and because it really looks - // slightly more pretty like this, add a pad - size.x += 7; - size.y += 14; - - SetClientSize(size); + SetClientSize(DoGetBestSize()); } //else: do nothing if we have no children } @@ -436,7 +454,48 @@ void wxWindowBase::Fit() // return the size best suited for the current window wxSize wxWindowBase::DoGetBestSize() const { - if ( GetChildren().GetCount() > 0 ) + if ( m_windowSizer ) + { + return m_windowSizer->GetMinSize(); + } +#if wxUSE_CONSTRAINTS + else if ( m_constraints ) + { + wxConstCast(this, wxWindowBase)->SatisfyConstraints(); + + // our minimal acceptable size is such that all our windows fit inside + int maxX = 0, + maxY = 0; + + for ( wxWindowList::Node *node = GetChildren().GetFirst(); + node; + node = node->GetNext() ) + { + wxLayoutConstraints *c = node->GetData()->GetConstraints(); + if ( !c ) + { + // it's not normal that we have an unconstrained child, but + // what can we do about it? + continue; + } + + int x = c->right.GetValue(), + y = c->bottom.GetValue(); + + if ( x > maxX ) + maxX = x; + + if ( y > maxY ) + maxY = y; + + // TODO: we must calculate the overlaps somehow, otherwise we + // will never return a size bigger than the current one :-( + } + + return wxSize(maxX, maxY); + } +#endif // wxUSE_CONSTRAINTS + else if ( GetChildren().GetCount() > 0 ) { // our minimal acceptable size is such that all our windows fit inside int maxX = 0, @@ -476,6 +535,11 @@ wxSize wxWindowBase::DoGetBestSize() const maxY = wy + wh; } + // for compatibility with the old versions and because it really looks + // slightly more pretty like this, add a pad + maxX += 7; + maxY += 14; + return wxSize(maxX, maxY); } else @@ -503,6 +567,40 @@ void wxWindowBase::SetSizeHints(int minW, int minH, m_maxHeight = maxH; } +void wxWindowBase::SetVirtualSizeHints( int minW, int minH, + int maxW, int maxH ) +{ + m_minVirtualWidth = minW; + m_maxVirtualWidth = maxW; + m_minVirtualHeight = minH; + m_maxVirtualHeight = maxH; + + SetVirtualSize( GetClientSize() ); +} + +void wxWindowBase::DoSetVirtualSize( int x, int y ) +{ + if( m_minVirtualWidth != -1 && m_minVirtualWidth > x ) x = m_minVirtualWidth; + if( m_maxVirtualWidth != -1 && m_maxVirtualWidth < x ) x = m_maxVirtualWidth; + if( m_minVirtualHeight != -1 && m_minVirtualHeight > y ) y = m_minVirtualHeight; + if( m_maxVirtualHeight != -1 && m_maxVirtualHeight < y ) y = m_maxVirtualHeight; + + m_virtualSize.SetWidth( x ); + m_virtualSize.SetHeight( y ); +} + +wxSize wxWindowBase::DoGetVirtualSize() const +{ + wxSize s( GetClientSize() ); + + if( m_virtualSize.GetWidth() != -1 ) + s.SetWidth( m_virtualSize.GetWidth() ); + if( m_virtualSize.GetHeight() != -1 ) + s.SetHeight( m_virtualSize.GetHeight() ); + + return s; +} + // ---------------------------------------------------------------------------- // show/hide/enable/disable the window // ---------------------------------------------------------------------------- @@ -628,6 +726,41 @@ wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler) return handlerA; } +bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler) +{ + wxCHECK_MSG( handler, FALSE, _T("RemoveEventHandler(NULL) called") ); + + wxEvtHandler *handlerPrev = NULL, + *handlerCur = GetEventHandler(); + while ( handlerCur ) + { + wxEvtHandler *handlerNext = handlerCur->GetNextHandler(); + + if ( handlerCur == handler ) + { + if ( handlerPrev ) + { + handlerPrev->SetNextHandler(handlerNext); + } + else + { + SetEventHandler(handlerNext); + } + + handler->SetNextHandler(NULL); + + return TRUE; + } + + handlerPrev = handlerCur; + handlerCur = handlerNext; + } + + wxFAIL_MSG( _T("where has the event handler gone?") ); + + return FALSE; +} + // ---------------------------------------------------------------------------- // cursors, fonts &c // ---------------------------------------------------------------------------- @@ -639,6 +772,8 @@ bool wxWindowBase::SetBackgroundColour( const wxColour &colour ) m_backgroundColour = colour; + m_hasBgCol = TRUE; + return TRUE; } @@ -649,6 +784,8 @@ bool wxWindowBase::SetForegroundColour( const wxColour &colour ) m_foregroundColour = colour; + m_hasFgCol = TRUE; + return TRUE; } @@ -680,9 +817,36 @@ bool wxWindowBase::SetFont(const wxFont& font) m_font = fontOk; + m_hasFont = TRUE; + return TRUE; } +#if wxUSE_PALETTE + +void wxWindowBase::SetPalette(const wxPalette& pal) +{ + m_hasCustomPalette = TRUE; + m_palette = pal; + + // VZ: can anyone explain me what do we do here? + wxWindowDC d((wxWindow *) this); + d.SetPalette(pal); +} + +wxWindow *wxWindowBase::GetAncestorWithCustomPalette() const +{ + wxWindow *win = (wxWindow *)this; + while ( win && !win->HasCustomPalette() ) + { + win = win->GetParent(); + } + + return win; +} + +#endif // wxUSE_PALETTE + #if wxUSE_CARET void wxWindowBase::SetCaret(wxCaret *caret) { @@ -745,7 +909,7 @@ bool wxWindowBase::IsExposed(int x, int y, int w, int h) const } // ---------------------------------------------------------------------------- -// find window by id or name +// find child window by id or name // ---------------------------------------------------------------------------- wxWindow *wxWindowBase::FindWindow( long id ) @@ -780,6 +944,125 @@ wxWindow *wxWindowBase::FindWindow( const wxString& name ) return (wxWindow *)res; } + +// find any window by id or name or label: If parent is non-NULL, look through +// children for a label or title matching the specified string. If NULL, look +// through all top-level windows. +// +// to avoid duplicating code we reuse the same helper function but with +// different comparators + +typedef bool (*wxFindWindowCmp)(const wxWindow *win, + const wxString& label, long id); + +static +bool wxFindWindowCmpLabels(const wxWindow *win, const wxString& label, + long WXUNUSED(id)) +{ + return win->GetLabel() == label; +} + +static +bool wxFindWindowCmpNames(const wxWindow *win, const wxString& label, + long WXUNUSED(id)) +{ + return win->GetName() == label; +} + +static +bool wxFindWindowCmpIds(const wxWindow *win, const wxString& WXUNUSED(label), + long id) +{ + return win->GetId() == id; +} + +// recursive helper for the FindWindowByXXX() functions +static +wxWindow *wxFindWindowRecursively(const wxWindow *parent, + const wxString& label, + long id, + wxFindWindowCmp cmp) +{ + if ( parent ) + { + // see if this is the one we're looking for + if ( (*cmp)(parent, label, id) ) + return (wxWindow *)parent; + + // It wasn't, so check all its children + for ( wxWindowList::Node * node = parent->GetChildren().GetFirst(); + node; + node = node->GetNext() ) + { + // recursively check each child + wxWindow *win = (wxWindow *)node->GetData(); + wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp); + if (retwin) + return retwin; + } + } + + // Not found + return NULL; +} + +// helper for FindWindowByXXX() +static +wxWindow *wxFindWindowHelper(const wxWindow *parent, + const wxString& label, + long id, + wxFindWindowCmp cmp) +{ + if ( parent ) + { + // just check parent and all its children + return wxFindWindowRecursively(parent, label, id, cmp); + } + + // start at very top of wx's windows + for ( wxWindowList::Node * node = wxTopLevelWindows.GetFirst(); + node; + node = node->GetNext() ) + { + // recursively check each window & its children + wxWindow *win = node->GetData(); + wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp); + if (retwin) + return retwin; + } + + return NULL; +} + +/* static */ +wxWindow * +wxWindowBase::FindWindowByLabel(const wxString& title, const wxWindow *parent) +{ + return wxFindWindowHelper(parent, title, 0, wxFindWindowCmpLabels); +} + +/* static */ +wxWindow * +wxWindowBase::FindWindowByName(const wxString& title, const wxWindow *parent) +{ + wxWindow *win = wxFindWindowHelper(parent, title, 0, wxFindWindowCmpNames); + + if ( !win ) + { + // fall back to the label + win = FindWindowByLabel(title, parent); + } + + return win; +} + +/* static */ +wxWindow * +wxWindowBase::FindWindowById( long id, const wxWindow* parent ) +{ + return wxFindWindowHelper(parent, _T(""), id, wxFindWindowCmpIds); +} + // ---------------------------------------------------------------------------- // dialog oriented functions // ---------------------------------------------------------------------------- @@ -956,7 +1239,7 @@ void wxWindowBase::OnHelp(wxHelpEvent& event) #endif // wxUSE_HELP // ---------------------------------------------------------------------------- -// tooltips +// tooltipsroot.Replace("\\", "/"); // ---------------------------------------------------------------------------- #if wxUSE_TOOLTIPS @@ -1099,112 +1382,144 @@ void wxWindowBase::DeleteRelatedConstraints() } } -void wxWindowBase::SetSizer(wxSizer *sizer) +#endif // wxUSE_CONSTRAINTS + +void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld) { - if (m_windowSizer) delete m_windowSizer; + if ( deleteOld ) + delete m_windowSizer; m_windowSizer = sizer; + + SetAutoLayout( sizer != NULL ); +} + +void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld) +{ + SetSizer( sizer, deleteOld ); + sizer->SetSizeHints( (wxWindow*) this ); } +#if wxUSE_CONSTRAINTS + +void wxWindowBase::SatisfyConstraints() +{ + wxLayoutConstraints *constr = GetConstraints(); + bool wasOk = constr && constr->AreSatisfied(); + + ResetConstraints(); // Mark all constraints as unevaluated + + int noChanges = 1; + + // if we're a top level panel (i.e. our parent is frame/dialog), our + // own constraints will never be satisfied any more unless we do it + // here + if ( wasOk ) + { + while ( noChanges > 0 ) + { + LayoutPhase1(&noChanges); + } + } + + LayoutPhase2(&noChanges); +} + +#endif // wxUSE_CONSTRAINTS + bool wxWindowBase::Layout() { // If there is a sizer, use it instead of the constraints if ( GetSizer() ) { int w, h; - GetClientSize(&w, &h); - + GetVirtualSize(&w, &h); GetSizer()->SetDimension( 0, 0, w, h ); } +#if wxUSE_CONSTRAINTS else { - wxLayoutConstraints *constr = GetConstraints(); - bool wasOk = constr && constr->AreSatisfied(); - - ResetConstraints(); // Mark all constraints as unevaluated - - // if we're a top level panel (i.e. our parent is frame/dialog), our - // own constraints will never be satisfied any more unless we do it - // here - if ( wasOk ) - { - int noChanges = 1; - while ( noChanges > 0 ) - { - constr->SatisfyConstraints(this, &noChanges); - } - } - - DoPhase(1); // Layout children - DoPhase(2); // Layout grand children + SatisfyConstraints(); // Find the right constraints values SetConstraintSizes(); // Recursively set the real window sizes } +#endif return TRUE; } +#if wxUSE_CONSTRAINTS -// Do a phase of evaluating constraints: the default behaviour. wxSizers may -// do a similar thing, but also impose their own 'constraints' and order the -// evaluation differently. +// first phase of the constraints evaluation: set our own constraints bool wxWindowBase::LayoutPhase1(int *noChanges) { wxLayoutConstraints *constr = GetConstraints(); - if ( constr ) - { - return constr->SatisfyConstraints(this, noChanges); - } - else - return TRUE; + + return !constr || constr->SatisfyConstraints(this, noChanges); } +// second phase: set the constraints for our children bool wxWindowBase::LayoutPhase2(int *noChanges) { *noChanges = 0; // Layout children DoPhase(1); + + // Layout grand children DoPhase(2); + return TRUE; } // Do a phase of evaluating child constraints bool wxWindowBase::DoPhase(int phase) { - int noIterations = 0; - int maxIterations = 500; - int noChanges = 1; - int noFailures = 0; + // the list containing the children for which the constraints are already + // set correctly wxWindowList succeeded; - while ((noChanges > 0) && (noIterations < maxIterations)) + + // the max number of iterations we loop before concluding that we can't set + // the constraints + static const int maxIterations = 500; + + for ( int noIterations = 0; noIterations < maxIterations; noIterations++ ) { - noChanges = 0; - noFailures = 0; - wxWindowList::Node *node = GetChildren().GetFirst(); - while (node) + int noChanges = 0; + + // loop over all children setting their constraints + for ( wxWindowList::Node *node = GetChildren().GetFirst(); + node; + node = node->GetNext() ) { wxWindow *child = node->GetData(); - if ( !child->IsTopLevel() ) + if ( child->IsTopLevel() ) { - wxLayoutConstraints *constr = child->GetConstraints(); - if ( constr ) - { - if ( !succeeded.Find(child) ) - { - int tempNoChanges = 0; - bool success = ( (phase == 1) ? child->LayoutPhase1(&tempNoChanges) : child->LayoutPhase2(&tempNoChanges) ) ; - noChanges += tempNoChanges; - if ( success ) - { - succeeded.Append(child); - } - } - } + // top level children are not inside our client area + continue; + } + + if ( !child->GetConstraints() || succeeded.Find(child) ) + { + // this one is either already ok or nothing we can do about it + continue; + } + + int tempNoChanges = 0; + bool success = phase == 1 ? child->LayoutPhase1(&tempNoChanges) + : child->LayoutPhase2(&tempNoChanges); + noChanges += tempNoChanges; + + if ( success ) + { + succeeded.Append(child); } - node = node->GetNext(); } - noIterations++; + if ( !noChanges ) + { + // constraints are set + break; + } } return TRUE; @@ -1271,7 +1586,7 @@ void wxWindowBase::SetConstraintSizes(bool recurse) while (node) { wxWindow *win = node->GetData(); - if ( !win->IsTopLevel() ) + if ( !win->IsTopLevel() && win->GetConstraints() ) win->SetConstraintSizes(); node = node->GetNext(); } @@ -1363,6 +1678,22 @@ void wxWindowBase::GetPositionConstraint(int *x, int *y) const #endif // wxUSE_CONSTRAINTS +void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const +{ + // don't do it for the dialogs/frames - they float independently of their + // parent + if ( !IsTopLevel() ) + { + wxWindow *parent = GetParent(); + if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent ) + { + wxPoint pt(parent->GetClientAreaOrigin()); + x += pt.x; + y += pt.y; + } + } +} + // ---------------------------------------------------------------------------- // do Update UI processing for child controls // ---------------------------------------------------------------------------- @@ -1448,51 +1779,6 @@ wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt) return pt2; } -// ---------------------------------------------------------------------------- -// client data -// ---------------------------------------------------------------------------- - -void wxWindowBase::DoSetClientObject( wxClientData *data ) -{ - wxASSERT_MSG( m_clientDataType != wxClientData_Void, - wxT("can't have both object and void client data") ); - - if ( m_clientObject ) - delete m_clientObject; - - m_clientObject = data; - m_clientDataType = wxClientData_Object; -} - -wxClientData *wxWindowBase::DoGetClientObject() const -{ - // it's not an error to call GetClientObject() on a window which doesn't - // have client data at all - NULL will be returned - wxASSERT_MSG( m_clientDataType != wxClientData_Void, - wxT("this window doesn't have object client data") ); - - return m_clientObject; -} - -void wxWindowBase::DoSetClientData( void *data ) -{ - wxASSERT_MSG( m_clientDataType != wxClientData_Object, - wxT("can't have both object and void client data") ); - - m_clientData = data; - m_clientDataType = wxClientData_Void; -} - -void *wxWindowBase::DoGetClientData() const -{ - // it's not an error to call GetClientData() on a window which doesn't have - // client data at all - NULL will be returned - wxASSERT_MSG( m_clientDataType != wxClientData_Object, - wxT("this window doesn't have void client data") ); - - return m_clientData; -} - // ---------------------------------------------------------------------------- // event handlers // ---------------------------------------------------------------------------- @@ -1530,10 +1816,16 @@ void wxWindowBase::OnMiddleClick( wxMouseEvent& event ) { // don't translate these strings wxString port; + +#ifdef __WXUNIVERSAL__ + port = _T("Univ/"); +#endif // __WXUNIVERSAL__ + switch ( wxGetOsVersion() ) { case wxMOTIF_X: port = _T("Motif"); break; - case wxMACINTOSH: port = _T("Mac"); break; + case wxMAC: + case wxMAC_DARWIN: port = _T("Mac"); break; case wxBEOS: port = _T("BeOS"); break; case wxGTK: case wxGTK_WIN32: @@ -1556,14 +1848,19 @@ void wxWindowBase::OnMiddleClick( wxMouseEvent& event ) wxMessageBox(wxString::Format( _T( - " wxWindows Library (%s port)\nVersion %u.%u.%u, compiled at %s %s\n Copyright (c) 1995-2000 wxWindows team" + " wxWindows Library (%s port)\nVersion %u.%u.%u%s, compiled at %s %s\n Copyright (c) 1995-2002 wxWindows team" ), port.c_str(), wxMAJOR_VERSION, wxMINOR_VERSION, wxRELEASE_NUMBER, - __DATE__, - __TIME__ +#if wxUSE_UNICODE + L" (Unicode)", +#else + "", +#endif + __TDATE__, + __TTIME__ ), _T("wxWindows information"), wxICON_INFORMATION | wxOK, @@ -1625,3 +1922,68 @@ wxHitTest wxWindowBase::DoHitTest(wxCoord x, wxCoord y) const return outside ? wxHT_WINDOW_OUTSIDE : wxHT_WINDOW_INSIDE; } +// ---------------------------------------------------------------------------- +// mouse capture +// ---------------------------------------------------------------------------- + +struct WXDLLEXPORT wxWindowNext +{ + wxWindow *win; + wxWindowNext *next; +} *wxWindowBase::ms_winCaptureNext = NULL; + +void wxWindowBase::CaptureMouse() +{ + wxLogTrace(_T("mousecapture"), _T("CaptureMouse(0x%08x)"), this); + + wxWindow *winOld = GetCapture(); + if ( winOld ) + { + ((wxWindowBase*) winOld)->DoReleaseMouse(); + + // save it on stack + wxWindowNext *item = new wxWindowNext; + item->win = winOld; + item->next = ms_winCaptureNext; + ms_winCaptureNext = item; + } + //else: no mouse capture to save + + DoCaptureMouse(); +} + +void wxWindowBase::ReleaseMouse() +{ + wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(0x%08x)"), this); + + wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") ) + + DoReleaseMouse(); + + if ( ms_winCaptureNext ) + { + ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse(); + + wxWindowNext *item = ms_winCaptureNext; + ms_winCaptureNext = item->next; + delete item; + } + //else: stack is empty, no previous capture + + wxLogTrace(_T("mousecapture"), + _T("After ReleaseMouse() mouse is captured by 0x%08x"), + GetCapture()); +} + +// ---------------------------------------------------------------------------- +// global functions +// ---------------------------------------------------------------------------- + +wxWindow* wxGetTopLevelParent(wxWindow *win) +{ + while ( win && !win->IsTopLevel() ) + win = win->GetParent(); + + return win; +} +