X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8cc208e39f61bca01cc23c339843891f099d47c5..64ea838d8f4d1853b7d850db93ee565e901d099a:/src/common/wincmn.cpp diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp index 2413ca4fa5..13370f51c6 100644 --- a/src/common/wincmn.cpp +++ b/src/common/wincmn.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: src/common/window.cpp +// Name: src/common/wincmn.cpp // Purpose: common (to all ports) wxWindow functions // Author: Julian Smart, Vadim Zeitlin // Modified by: @@ -73,6 +73,11 @@ #endif #include "wx/platinfo.h" +#include "wx/private/window.h" + +#ifdef __WINDOWS__ + #include "wx/msw/wrapwin.h" +#endif // Windows List WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows; @@ -82,6 +87,8 @@ WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows; wxMenu *wxCurrentPopupMenu = NULL; #endif // wxUSE_MENUS +extern WXDLLEXPORT_DATA(const char) wxPanelNameStr[] = "panel"; + // ---------------------------------------------------------------------------- // static data // ---------------------------------------------------------------------------- @@ -102,12 +109,145 @@ BEGIN_EVENT_TABLE(wxWindowBase, wxEvtHandler) EVT_HELP(wxID_ANY, wxWindowBase::OnHelp) #endif // wxUSE_HELP + EVT_SIZE(wxWindowBase::InternalOnSize) END_EVENT_TABLE() // ============================================================================ // implementation of the common functionality of the wxWindow class // ============================================================================ +// ---------------------------------------------------------------------------- +// XTI +// ---------------------------------------------------------------------------- + +#if wxUSE_EXTENDED_RTTI + +// windows that are created from a parent window during its Create method, +// eg. spin controls in a calendar controls must never been streamed out +// separately otherwise chaos occurs. Right now easiest is to test for negative ids, +// as windows with negative ids never can be recreated anyway + + +bool wxWindowStreamingCallback( const wxObject *object, wxObjectWriter *, + wxObjectWriterCallback *, const wxStringToAnyHashMap & ) +{ + const wxWindow * win = wx_dynamic_cast(const wxWindow*, object); + if ( win && win->GetId() < 0 ) + return false; + return true; +} + +wxIMPLEMENT_DYNAMIC_CLASS_XTI_CALLBACK(wxWindow, wxWindowBase, "wx/window.h", \ + wxWindowStreamingCallback) + +// make wxWindowList known before the property is used + +wxCOLLECTION_TYPE_INFO( wxWindow*, wxWindowList ); + +template<> void wxCollectionToVariantArray( wxWindowList const &theList, + wxAnyList &value) +{ + wxListCollectionToAnyList( theList, value ); +} + +wxDEFINE_FLAGS( wxWindowStyle ) + +wxBEGIN_FLAGS( wxWindowStyle ) +// new style border flags, we put them first to +// use them for streaming out + +wxFLAGS_MEMBER(wxBORDER_SIMPLE) +wxFLAGS_MEMBER(wxBORDER_SUNKEN) +wxFLAGS_MEMBER(wxBORDER_DOUBLE) +wxFLAGS_MEMBER(wxBORDER_RAISED) +wxFLAGS_MEMBER(wxBORDER_STATIC) +wxFLAGS_MEMBER(wxBORDER_NONE) + +// old style border flags +wxFLAGS_MEMBER(wxSIMPLE_BORDER) +wxFLAGS_MEMBER(wxSUNKEN_BORDER) +wxFLAGS_MEMBER(wxDOUBLE_BORDER) +wxFLAGS_MEMBER(wxRAISED_BORDER) +wxFLAGS_MEMBER(wxSTATIC_BORDER) +wxFLAGS_MEMBER(wxBORDER) + +// standard window styles +wxFLAGS_MEMBER(wxTAB_TRAVERSAL) +wxFLAGS_MEMBER(wxCLIP_CHILDREN) +wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) +wxFLAGS_MEMBER(wxWANTS_CHARS) +wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) +wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) +wxFLAGS_MEMBER(wxVSCROLL) +wxFLAGS_MEMBER(wxHSCROLL) + +wxEND_FLAGS( wxWindowStyle ) + +wxBEGIN_PROPERTIES_TABLE(wxWindow) +wxEVENT_PROPERTY( Close, wxEVT_CLOSE_WINDOW, wxCloseEvent) +wxEVENT_PROPERTY( Create, wxEVT_CREATE, wxWindowCreateEvent ) +wxEVENT_PROPERTY( Destroy, wxEVT_DESTROY, wxWindowDestroyEvent ) +// Always constructor Properties first + +wxREADONLY_PROPERTY( Parent,wxWindow*, GetParent, wxEMPTY_PARAMETER_VALUE, \ + 0 /*flags*/, wxT("Helpstring"), wxT("group")) +wxPROPERTY( Id,wxWindowID, SetId, GetId, -1 /*wxID_ANY*/, 0 /*flags*/, \ + wxT("Helpstring"), wxT("group") ) +wxPROPERTY( Position,wxPoint, SetPosition, GetPosition, wxDefaultPosition, \ + 0 /*flags*/, wxT("Helpstring"), wxT("group")) // pos +wxPROPERTY( Size,wxSize, SetSize, GetSize, wxDefaultSize, 0 /*flags*/, \ + wxT("Helpstring"), wxT("group")) // size +wxPROPERTY( WindowStyle, long, SetWindowStyleFlag, GetWindowStyleFlag, \ + wxEMPTY_PARAMETER_VALUE, 0 /*flags*/, wxT("Helpstring"), wxT("group")) // style +wxPROPERTY( Name,wxString, SetName, GetName, wxEmptyString, 0 /*flags*/, \ + wxT("Helpstring"), wxT("group") ) + +// Then all relations of the object graph + +wxREADONLY_PROPERTY_COLLECTION( Children, wxWindowList, wxWindowBase*, \ + GetWindowChildren, wxPROP_OBJECT_GRAPH /*flags*/, \ + wxT("Helpstring"), wxT("group")) + +// and finally all other properties + +wxPROPERTY( ExtraStyle, long, SetExtraStyle, GetExtraStyle, wxEMPTY_PARAMETER_VALUE, \ + 0 /*flags*/, wxT("Helpstring"), wxT("group")) // extstyle +wxPROPERTY( BackgroundColour, wxColour, SetBackgroundColour, GetBackgroundColour, \ + wxEMPTY_PARAMETER_VALUE, 0 /*flags*/, wxT("Helpstring"), wxT("group")) // bg +wxPROPERTY( ForegroundColour, wxColour, SetForegroundColour, GetForegroundColour, \ + wxEMPTY_PARAMETER_VALUE, 0 /*flags*/, wxT("Helpstring"), wxT("group")) // fg +wxPROPERTY( Enabled, bool, Enable, IsEnabled, wxAny((bool)true), 0 /*flags*/, \ + wxT("Helpstring"), wxT("group")) +wxPROPERTY( Shown, bool, Show, IsShown, wxAny((bool)true), 0 /*flags*/, \ + wxT("Helpstring"), wxT("group")) + +#if 0 +// possible property candidates (not in xrc) or not valid in all subclasses +wxPROPERTY( Title,wxString, SetTitle, GetTitle, wxEmptyString ) +wxPROPERTY( Font, wxFont, SetFont, GetWindowFont , ) +wxPROPERTY( Label,wxString, SetLabel, GetLabel, wxEmptyString ) +// MaxHeight, Width, MinHeight, Width +// TODO switch label to control and title to toplevels + +wxPROPERTY( ThemeEnabled, bool, SetThemeEnabled, GetThemeEnabled, ) +//wxPROPERTY( Cursor, wxCursor, SetCursor, GetCursor, ) +// wxPROPERTY( ToolTip, wxString, SetToolTip, GetToolTipText, ) +wxPROPERTY( AutoLayout, bool, SetAutoLayout, GetAutoLayout, ) +#endif +wxEND_PROPERTIES_TABLE() + +wxEMPTY_HANDLERS_TABLE(wxWindow) + +wxCONSTRUCTOR_DUMMY(wxWindow) + +#else + +#ifndef __WXUNIVERSAL__ +IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase) +#endif + +#endif + // ---------------------------------------------------------------------------- // initialization // ---------------------------------------------------------------------------- @@ -153,7 +293,7 @@ wxWindowBase::wxWindowBase() m_exStyle = m_windowStyle = 0; - m_backgroundStyle = wxBG_STYLE_SYSTEM; + m_backgroundStyle = wxBG_STYLE_ERASE; #if wxUSE_CONSTRAINTS // no constraints whatsoever @@ -212,28 +352,16 @@ wxWindowBase::wxWindowBase() bool wxWindowBase::CreateBase(wxWindowBase *parent, wxWindowID id, const wxPoint& WXUNUSED(pos), - const wxSize& WXUNUSED(size), + const wxSize& size, long style, - const wxValidator& wxVALIDATOR_PARAM(validator), const wxString& name) { -#if wxUSE_STATBOX - // wxGTK doesn't allow to create controls with static box as the parent so - // this will result in a crash when the program is ported to wxGTK so warn - // the user about it - - // if you get this assert, the correct solution is to create the controls - // as siblings of the static box - wxASSERT_MSG( !parent || !wxDynamicCast(parent, wxStaticBox), - _T("wxStaticBox can't be used as a window parent!") ); -#endif // wxUSE_STATBOX - // ids are limited to 16 bits under MSW so if you care about portability, // it's not a good idea to use ids out of this range (and negative ids are // reserved for wxWidgets own usage) wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767) || (id >= wxID_AUTO_LOWEST && id <= wxID_AUTO_HIGHEST), - _T("invalid id value") ); + wxT("invalid id value") ); // generate a new id if the user doesn't care about it if ( id == wxID_ANY ) @@ -250,9 +378,32 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent, // flags by updating the window dynamically and we don't need this here m_windowStyle = style; + // assume the user doesn't want this window to shrink beneath its initial + // size, this worked like this in wxWidgets 2.8 and before and generally + // often makes sense for child windows (for top level ones it definitely + // does not as the user should be able to resize the window) + // + // note that we can't use IsTopLevel() from ctor + if ( size != wxDefaultSize && !wxTopLevelWindows.Find((wxWindow *)this) ) + SetMinSize(size); + SetName(name); SetParent(parent); + return true; +} + +bool wxWindowBase::CreateBase(wxWindowBase *parent, + wxWindowID id, + const wxPoint& pos, + const wxSize& size, + long style, + const wxValidator& wxVALIDATOR_PARAM(validator), + const wxString& name) +{ + if ( !CreateBase(parent, id, pos, size, style, name) ) + return false; + #if wxUSE_VALIDATORS SetValidator(validator); #endif // wxUSE_VALIDATORS @@ -270,7 +421,7 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent, bool wxWindowBase::ToggleWindowStyle(int flag) { - wxASSERT_MSG( flag, _T("flags with 0 value can't be toggled") ); + wxASSERT_MSG( flag, wxT("flags with 0 value can't be toggled") ); bool rc; long style = GetWindowStyleFlag(); @@ -310,6 +461,12 @@ wxWindowBase::~wxWindowBase() // we weren't a dialog class wxTopLevelWindows.DeleteObject((wxWindow*)this); + // Any additional event handlers should be popped before the window is + // deleted as otherwise the last handler will be left with a dangling + // pointer to this window result in a difficult to diagnose crash later on. + wxASSERT_MSG( GetEventHandler() == this, + wxT("any pushed event handlers must have been removed") ); + #if wxUSE_MENUS // The associated popup menu can still be alive, disassociate from it in // this case @@ -341,8 +498,7 @@ wxWindowBase::~wxWindowBase() // This removes any dangling pointers to this window in other windows' // constraintsInvolvedIn lists. UnsetConstraints(m_constraints); - delete m_constraints; - m_constraints = NULL; + wxDELETE(m_constraints); } #endif // wxUSE_CONSTRAINTS @@ -398,7 +554,14 @@ void wxWindowBase::SendDestroyEvent() bool wxWindowBase::Destroy() { - SendDestroyEvent(); + // If our handle is invalid, it means that this window has never been + // created, either because creating it failed or, more typically, because + // this wxWindow object was default-constructed and its Create() method had + // never been called. As we didn't send wxWindowCreateEvent in this case + // (which is sent after successful creation), don't send the matching + // wxWindowDestroyEvent neither. + if ( GetHandle() ) + SendDestroyEvent(); delete this; @@ -449,7 +612,7 @@ bool wxWindowBase::DestroyChildren() void wxWindowBase::DoCentre(int dir) { wxCHECK_RET( !(dir & wxCENTRE_ON_SCREEN) && GetParent(), - _T("this method only implements centering child windows") ); + wxT("this method only implements centering child windows") ); SetSize(GetRect().CentreIn(GetParent()->GetClientSize(), dir)); } @@ -457,24 +620,17 @@ void wxWindowBase::DoCentre(int dir) // fits the window around the children void wxWindowBase::Fit() { - if ( !GetChildren().empty() ) - { - SetSize(GetBestSize()); - } - //else: do nothing if we have no children + SetSize(GetBestSize()); } // fits virtual size (ie. scrolled area etc.) around children void wxWindowBase::FitInside() { - if ( GetChildren().GetCount() > 0 ) - { - SetVirtualSize( GetBestVirtualSize() ); - } + SetVirtualSize( GetBestVirtualSize() ); } // On Mac, scrollbars are explicitly children. -#ifdef __WXMAC__ +#if defined( __WXMAC__ ) && !defined(__WXUNIVERSAL__) static bool wxHasRealChildren(const wxWindowBase* win) { int realChildCount = 0; @@ -484,7 +640,11 @@ static bool wxHasRealChildren(const wxWindowBase* win) node = node->GetNext() ) { wxWindow *win = node->GetData(); - if ( !win->IsTopLevel() && win->IsShown() && !win->IsKindOf(CLASSINFO(wxScrollBar))) + if ( !win->IsTopLevel() && win->IsShown() +#if wxUSE_SCROLLBAR + && !wxDynamicCast(win, wxScrollBar) +#endif + ) realChildCount ++; } return (realChildCount > 0); @@ -550,7 +710,7 @@ wxSize wxWindowBase::DoGetBestSize() const } #endif // wxUSE_CONSTRAINTS else if ( !GetChildren().empty() -#ifdef __WXMAC__ +#if defined( __WXMAC__ ) && !defined(__WXUNIVERSAL__) && wxHasRealChildren(this) #endif ) @@ -599,19 +759,14 @@ wxSize wxWindowBase::DoGetBestSize() const } else // ! has children { - // for a generic window there is no natural best size so, if the - // minimal size is not set, use the current size but take care to - // remember it as minimal size for the next time because our best size - // should be constant: otherwise we could get into a situation when the - // window is initially at some size, then expanded to a larger size and - // then, when the containing window is shrunk back (because our initial - // best size had been used for computing the parent min size), we can't - // be shrunk back any more because our best size is now bigger wxSize size = GetMinSize(); if ( !size.IsFullySpecified() ) { - size.SetDefaults(GetSize()); - wxConstCast(this, wxWindowBase)->SetMinSize(size); + // if the window doesn't define its best size we assume that it can + // be arbitrarily small -- usually this is not the case, of course, + // but we have no way to know what the limit is, it should really + // override DoGetBestClientSize() itself to tell us + size.SetDefaults(wxSize(1, 1)); } // return as-is, unadjusted by the client size difference. @@ -650,7 +805,7 @@ static int wxGetMetricOrDefault(wxSystemMetric what, const wxWindowBase* win) break; default: - wxFAIL_MSG( _T("unexpected wxGetMetricOrDefault() argument") ); + wxFAIL_MSG( wxT("unexpected wxGetMetricOrDefault() argument") ); rc = 0; } } @@ -690,7 +845,7 @@ wxSize wxWindowBase::GetWindowBorderSize() const break; default: - wxFAIL_MSG(_T("Unknown border style.")); + wxFAIL_MSG(wxT("Unknown border style.")); break; } @@ -698,6 +853,16 @@ wxSize wxWindowBase::GetWindowBorderSize() const return size*2; } +bool +wxWindowBase::InformFirstDirection(int direction, + int size, + int availableOtherDir) +{ + return GetSizer() && GetSizer()->InformFirstDirection(direction, + size, + availableOtherDir); +} + wxSize wxWindowBase::GetEffectiveMinSize() const { // merge the best size with the min size, giving priority to the min size @@ -713,24 +878,74 @@ wxSize wxWindowBase::GetEffectiveMinSize() const return min; } +wxSize wxWindowBase::DoGetBorderSize() const +{ + // there is one case in which we can implement it for all ports easily + if ( GetBorder() == wxBORDER_NONE ) + return wxSize(0, 0); + + // otherwise use the difference between the real size and the client size + // as a fallback: notice that this is incorrect in general as client size + // also doesn't take the scrollbars into account + return GetSize() - GetClientSize(); +} + wxSize wxWindowBase::GetBestSize() const { - if ((!m_windowSizer) && (m_bestSizeCache.IsFullySpecified())) + if ( !m_windowSizer && m_bestSizeCache.IsFullySpecified() ) return m_bestSizeCache; - return DoGetBestSize(); + // call DoGetBestClientSize() first, if a derived class overrides it wants + // it to be used + wxSize size = DoGetBestClientSize(); + if ( size != wxDefaultSize ) + size += DoGetBorderSize(); + else + size = DoGetBestSize(); + + // Ensure that the best size is at least as large as min size. + size.IncTo(GetMinSize()); + + // And not larger than max size. + size.DecToIfSpecified(GetMaxSize()); + + // Finally cache result and return. + CacheBestSize(size); + return size; +} + +int wxWindowBase::GetBestHeight(int width) const +{ + const int height = DoGetBestClientHeight(width); + + return height == wxDefaultCoord + ? GetBestSize().y + : height + DoGetBorderSize().y; +} + +int wxWindowBase::GetBestWidth(int height) const +{ + const int width = DoGetBestClientWidth(height); + + return width == wxDefaultCoord + ? GetBestSize().x + : width + DoGetBorderSize().x; } void wxWindowBase::SetMinSize(const wxSize& minSize) { m_minWidth = minSize.x; m_minHeight = minSize.y; + + InvalidateBestSize(); } void wxWindowBase::SetMaxSize(const wxSize& maxSize) { m_maxWidth = maxSize.x; m_maxHeight = maxSize.y; + + InvalidateBestSize(); } void wxWindowBase::SetInitialSize(const wxSize& size) @@ -792,22 +1007,19 @@ void wxWindowBase::DoSetWindowVariant( wxWindowVariant variant ) break; case wxWINDOW_VARIANT_SMALL: - size *= 3; - size /= 4; + size = wxRound(size * 3.0 / 4.0); break; case wxWINDOW_VARIANT_MINI: - size *= 2; - size /= 3; + size = wxRound(size * 2.0 / 3.0); break; case wxWINDOW_VARIANT_LARGE: - size *= 5; - size /= 4; + size = wxRound(size * 5.0 / 4.0); break; default: - wxFAIL_MSG(_T("unexpected window variant")); + wxFAIL_MSG(wxT("unexpected window variant")); break; } @@ -821,7 +1033,7 @@ void wxWindowBase::DoSetSizeHints( int minW, int minH, { wxCHECK_RET( (minW == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) && (minH == wxDefaultCoord || maxH == wxDefaultCoord || minH <= maxH), - _T("min width/height must be less than max width/height!") ); + wxT("min width/height must be less than max width/height!") ); m_minWidth = minW; m_maxWidth = maxW; @@ -879,7 +1091,7 @@ void wxWindowBase::SendSizeEvent(int flags) wxSizeEvent event(GetSize(), GetId()); event.SetEventObject(this); if ( flags & wxSEND_EVENT_POST ) - wxPostEvent(this, event); + wxPostEvent(GetEventHandler(), event); else HandleWindowEvent(event); } @@ -891,6 +1103,20 @@ void wxWindowBase::SendSizeEventToParent(int flags) parent->SendSizeEvent(flags); } +bool wxWindowBase::HasScrollbar(int orient) const +{ + // if scrolling in the given direction is disabled, we can't have the + // corresponding scrollbar no matter what + if ( !CanScroll(orient) ) + return false; + + const wxSize sizeVirt = GetVirtualSize(); + const wxSize sizeClient = GetClientSize(); + + return orient == wxHORIZONTAL ? sizeVirt.x > sizeClient.x + : sizeVirt.y > sizeClient.y; +} + // ---------------------------------------------------------------------------- // show/hide/enable/disable the window // ---------------------------------------------------------------------------- @@ -916,18 +1142,33 @@ bool wxWindowBase::IsEnabled() const void wxWindowBase::NotifyWindowOnEnableChange(bool enabled) { + // Under some platforms there is no need to update the window state + // explicitly, it will become disabled when its parent is. On other ones we + // do need to disable all windows recursively though. #ifndef wxHAS_NATIVE_ENABLED_MANAGEMENT DoEnable(enabled); #endif // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT) OnEnabled(enabled); - // If we are top-level then the logic doesn't apply - otherwise - // showing a modal dialog would result in total greying out (and ungreying - // out later) of everything which would be really ugly - if ( IsTopLevel() ) + // Disabling a top level window is typically done when showing a modal + // dialog and we don't need to disable its children in this case, they will + // be logically disabled anyhow (i.e. their IsEnabled() will return false) + // and the TLW won't accept any input for them. Moreover, explicitly + // disabling them would look ugly as the entire TLW would be greyed out + // whenever a modal dialog is shown and no native applications under any + // platform behave like this. + if ( IsTopLevel() && !enabled ) return; + // When disabling (or enabling back) a non-TLW window we need to + // recursively propagate the change of the state to its children, otherwise + // they would still show as enabled even though they wouldn't actually + // accept any input (at least under MSW where children don't accept input + // if any of the windows in their parent chain is enabled). + // + // Notice that we must do this even for wxHAS_NATIVE_ENABLED_MANAGEMENT + // platforms as we still need to call the children OnEnabled() recursively. for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); node; node = node->GetNext() ) @@ -945,14 +1186,10 @@ bool wxWindowBase::Enable(bool enable) m_isEnabled = enable; + // If we call DoEnable() from NotifyWindowOnEnableChange(), we don't need + // to do it from here. #ifdef wxHAS_NATIVE_ENABLED_MANAGEMENT DoEnable(enable); -#else // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT) - wxWindowBase * const parent = GetParent(); - if( !IsTopLevel() && parent && !parent->IsEnabled() ) - { - return true; - } #endif // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT) NotifyWindowOnEnableChange(enable); @@ -1025,9 +1262,27 @@ void wxWindowBase::Thaw() } // ---------------------------------------------------------------------------- -// reparenting the window +// Dealing with parents and children. // ---------------------------------------------------------------------------- +bool wxWindowBase::IsDescendant(wxWindowBase* win) const +{ + // Iterate until we find this window in the parent chain or exhaust it. + while ( win ) + { + if ( win == this ) + return true; + + // Stop iterating on reaching the top level window boundary. + if ( win->IsTopLevel() ) + break; + + win = win->GetParent(); + } + + return false; +} + void wxWindowBase::AddChild(wxWindowBase *child) { wxCHECK_RET( child, wxT("can't add a NULL child") ); @@ -1035,7 +1290,7 @@ void wxWindowBase::AddChild(wxWindowBase *child) // this should never happen and it will lead to a crash later if it does // because RemoveChild() will remove only one node from the children list // and the other(s) one(s) will be left with dangling pointers in them - wxASSERT_MSG( !GetChildren().Find((wxWindow*)child), _T("AddChild() called twice") ); + wxASSERT_MSG( !GetChildren().Find((wxWindow*)child), wxT("AddChild() called twice") ); GetChildren().Append((wxWindow*)child); child->SetParent(this); @@ -1152,19 +1407,22 @@ void wxWindowBase::PushEventHandler(wxEvtHandler *handlerToPush) SetEventHandler(handlerToPush); -#ifdef __WXDEBUG__ +#if wxDEBUG_LEVEL // final checks of the operations done above: wxASSERT_MSG( handlerToPush->GetPreviousHandler() == NULL, - "the first handler of the wxWindow stack should have no previous handlers set" ); + "the first handler of the wxWindow stack should " + "have no previous handlers set" ); wxASSERT_MSG( handlerToPush->GetNextHandler() != NULL, - "the first handler of the wxWindow stack should have non-NULL next handler" ); + "the first handler of the wxWindow stack should " + "have non-NULL next handler" ); wxEvtHandler* pLast = handlerToPush; - while (pLast && pLast != this) + while ( pLast && pLast != this ) pLast = pLast->GetNextHandler(); wxASSERT_MSG( pLast->GetNextHandler() == NULL, - "the last handler of the wxWindow stack should have this window as next handler" ); -#endif + "the last handler of the wxWindow stack should " + "have this window as next handler" ); +#endif // wxDEBUG_LEVEL } wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler) @@ -1182,15 +1440,18 @@ wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler) "the first handler of the wxWindow stack should have non-NULL next handler" ); firstHandler->SetNextHandler(NULL); - secondHandler->SetPreviousHandler(NULL); + + // It is harmless but useless to unset the previous handler of the window + // itself as it's always NULL anyhow, so don't do this. + if ( secondHandler != this ) + secondHandler->SetPreviousHandler(NULL); // now firstHandler is completely unlinked; set secondHandler as the new window event handler SetEventHandler(secondHandler); if ( deleteHandler ) { - delete firstHandler; - firstHandler = NULL; + wxDELETE(firstHandler); } return firstHandler; @@ -1210,7 +1471,7 @@ bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handlerToRemove) // NOTE: the wxWindow event handler list is always terminated with "this" handler wxEvtHandler *handlerCur = GetEventHandler()->GetNextHandler(); - while ( handlerCur != this ) + while ( handlerCur != this && handlerCur ) { wxEvtHandler *handlerNext = handlerCur->GetNextHandler(); @@ -1226,7 +1487,7 @@ bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handlerToRemove) handlerCur = handlerNext; } - wxFAIL_MSG( _T("where has the event handler gone?") ); + wxFAIL_MSG( wxT("where has the event handler gone?") ); return false; } @@ -1299,17 +1560,17 @@ wxColour wxWindowBase::GetBackgroundColour() const { if ( !m_backgroundColour.IsOk() ) { - wxASSERT_MSG( !m_hasBgCol, _T("we have invalid explicit bg colour?") ); + wxASSERT_MSG( !m_hasBgCol, wxT("we have invalid explicit bg colour?") ); // get our default background colour wxColour colBg = GetDefaultAttributes().colBg; // we must return some valid colour to avoid redoing this every time - // and also to avoid surprizing the applications written for older + // and also to avoid surprising the applications written for older // wxWidgets versions where GetBackgroundColour() always returned // something -- so give them something even if it doesn't make sense // for this window (e.g. it has a themed background) - if ( !colBg.Ok() ) + if ( !colBg.IsOk() ) colBg = GetClassDefaultAttributes().colBg; return colBg; @@ -1321,7 +1582,7 @@ wxColour wxWindowBase::GetBackgroundColour() const wxColour wxWindowBase::GetForegroundColour() const { // logic is the same as above - if ( !m_hasFgCol && !m_foregroundColour.Ok() ) + if ( !m_hasFgCol && !m_foregroundColour.IsOk() ) { wxColour colFg = GetDefaultAttributes().colFg; @@ -1334,18 +1595,49 @@ wxColour wxWindowBase::GetForegroundColour() const return m_foregroundColour; } +bool wxWindowBase::SetBackgroundStyle(wxBackgroundStyle style) +{ + // The checks below shouldn't be triggered if we're not really changing the + // style. + if ( style == m_backgroundStyle ) + return true; + + // Transparent background style can be only set before creation because of + // wxGTK limitation. + wxCHECK_MSG( (style != wxBG_STYLE_TRANSPARENT) || !GetHandle(), + false, + "wxBG_STYLE_TRANSPARENT style can only be set before " + "Create()-ing the window." ); + + // And once it is set, wxBG_STYLE_TRANSPARENT can't be unset. + wxCHECK_MSG( (m_backgroundStyle != wxBG_STYLE_TRANSPARENT) || + (style == wxBG_STYLE_TRANSPARENT), + false, + "wxBG_STYLE_TRANSPARENT can't be unset once it was set." ); + + m_backgroundStyle = style; + + return true; +} + +bool wxWindowBase::IsTransparentBackgroundSupported(wxString *reason) const +{ + if ( reason ) + *reason = _("This platform does not support background transparency."); + + return false; +} + bool wxWindowBase::SetBackgroundColour( const wxColour &colour ) { if ( colour == m_backgroundColour ) return false; m_hasBgCol = colour.IsOk(); - if ( m_backgroundStyle != wxBG_STYLE_CUSTOM ) - m_backgroundStyle = m_hasBgCol ? wxBG_STYLE_COLOUR : wxBG_STYLE_SYSTEM; m_inheritBgCol = m_hasBgCol; m_backgroundColour = colour; - SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.Ok() ); + SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.IsOk() ); return true; } @@ -1357,7 +1649,7 @@ bool wxWindowBase::SetForegroundColour( const wxColour &colour ) m_hasFgCol = colour.IsOk(); m_inheritFgCol = m_hasFgCol; m_foregroundColour = colour; - SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.Ok() ); + SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.IsOk() ); return true; } @@ -1381,7 +1673,7 @@ wxFont wxWindowBase::GetFont() const // logic is the same as in GetBackgroundColour() if ( !m_font.IsOk() ) { - wxASSERT_MSG( !m_hasFont, _T("we have invalid explicit font?") ); + wxASSERT_MSG( !m_hasFont, wxT("we have invalid explicit font?") ); wxFont font = GetDefaultAttributes().font; if ( !font.IsOk() ) @@ -1666,6 +1958,7 @@ wxWindowBase::FindWindowById( long id, const wxWindow* parent ) // dialog oriented functions // ---------------------------------------------------------------------------- +#if WXWIN_COMPATIBILITY_2_8 void wxWindowBase::MakeModal(bool modal) { // Disable all other windows @@ -1682,6 +1975,7 @@ void wxWindowBase::MakeModal(bool modal) } } } +#endif // WXWIN_COMPATIBILITY_2_8 bool wxWindowBase::Validate() { @@ -1872,6 +2166,11 @@ void wxWindowBase::OnHelp(wxHelpEvent& event) #if wxUSE_TOOLTIPS +wxString wxWindowBase::GetToolTipText() const +{ + return m_tooltip ? m_tooltip->GetTip() : wxString(); +} + void wxWindowBase::SetToolTip( const wxString &tip ) { // don't create the new tooltip if we already have one @@ -1899,6 +2198,13 @@ void wxWindowBase::DoSetToolTip(wxToolTip *tooltip) } } +bool wxWindowBase::CopyToolTip(wxToolTip *tip) +{ + SetToolTip(tip ? new wxToolTip(tip->GetTip()) : NULL); + + return tip != NULL; +} + #endif // wxUSE_TOOLTIPS // ---------------------------------------------------------------------------- @@ -2008,8 +2314,7 @@ void wxWindowBase::DeleteRelatedConstraints() node = next; } - delete m_constraintsInvolvedIn; - m_constraintsInvolvedIn = NULL; + wxDELETE(m_constraintsInvolvedIn); } } @@ -2051,7 +2356,7 @@ void wxWindowBase::SetContainingSizer(wxSizer* sizer) // associated wxSizerItem we're going to dereference a dangling // pointer; so try to detect this as early as possible wxASSERT_MSG( !sizer || m_containingSizer != sizer, - _T("Adding a window to the same sizer twice?") ); + wxT("Adding a window to the same sizer twice?") ); m_containingSizer = sizer; } @@ -2103,6 +2408,14 @@ bool wxWindowBase::Layout() return true; } +void wxWindowBase::InternalOnSize(wxSizeEvent& event) +{ + if ( GetAutoLayout() ) + Layout(); + + event.Skip(); +} + #if wxUSE_CONSTRAINTS // first phase of the constraints evaluation: set our own constraints @@ -2221,7 +2534,9 @@ void wxWindowBase::SetConstraintSizes(bool recurse) if ( (constr->width.GetRelationship() != wxAsIs ) || (constr->height.GetRelationship() != wxAsIs) ) { - SetSize(x, y, w, h); + // We really shouldn't set negative sizes for the windows so make + // them at least of 1*1 size + SetSize(x, y, w > 0 ? w : 1, h > 0 ? h : 1); } else { @@ -2336,17 +2651,12 @@ void wxWindowBase::GetPositionConstraint(int *x, int *y) const 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 ) { - wxWindow *parent = GetParent(); - if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent ) - { - wxPoint pt(parent->GetClientAreaOrigin()); - x += pt.x; - y += pt.y; - } + wxPoint pt(parent->GetClientAreaOrigin()); + x += pt.x; + y += pt.y; } } @@ -2386,32 +2696,101 @@ void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event) Show(event.GetShown()); } +// ---------------------------------------------------------------------------- +// Idle processing +// ---------------------------------------------------------------------------- + +// Send idle event to window and all subwindows +bool wxWindowBase::SendIdleEvents(wxIdleEvent& event) +{ + bool needMore = false; + + OnInternalIdle(); + + // should we send idle event to this window? + if (wxIdleEvent::GetMode() == wxIDLE_PROCESS_ALL || + HasExtraStyle(wxWS_EX_PROCESS_IDLE)) + { + event.SetEventObject(this); + HandleWindowEvent(event); + + if (event.MoreRequested()) + needMore = true; + } + wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); + for (; node; node = node->GetNext()) + { + wxWindow* child = node->GetData(); + if (child->SendIdleEvents(event)) + needMore = true; + } + + return needMore; +} + +void wxWindowBase::OnInternalIdle() +{ + if ( wxUpdateUIEvent::CanUpdate(this) ) + UpdateWindowUI(wxUPDATE_UI_FROMIDLE); +} + // ---------------------------------------------------------------------------- // dialog units translations // ---------------------------------------------------------------------------- -wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt) +// Windows' computes dialog units using average character width over upper- +// and lower-case ASCII alphabet and not using the average character width +// metadata stored in the font; see +// http://support.microsoft.com/default.aspx/kb/145994 for detailed discussion. +// It's important that we perform the conversion in identical way, because +// dialog units natively exist only on Windows and Windows HIG is expressed +// using them. +wxSize wxWindowBase::GetDlgUnitBase() const +{ + const wxWindowBase * const parent = wxGetTopLevelParent((wxWindow*)this); + + wxCHECK_MSG( parent, wxDefaultSize, wxS("Must have TLW parent") ); + + if ( !parent->m_font.IsOk() ) + { + // Default GUI font is used. This is the most common case, so + // cache the results. + static wxSize s_defFontSize; + if ( s_defFontSize.x == 0 ) + s_defFontSize = wxPrivate::GetAverageASCIILetterSize(*parent); + return s_defFontSize; + } + else + { + // Custom font, we always need to compute the result + return wxPrivate::GetAverageASCIILetterSize(*parent); + } +} + +wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt) const { - int charWidth = GetCharWidth(); - int charHeight = GetCharHeight(); + const wxSize base = GetDlgUnitBase(); + + // NB: wxMulDivInt32() is used, because it correctly rounds the result + wxPoint pt2 = wxDefaultPosition; if (pt.x != wxDefaultCoord) - pt2.x = (int) ((pt.x * 4) / charWidth); + pt2.x = wxMulDivInt32(pt.x, 4, base.x); if (pt.y != wxDefaultCoord) - pt2.y = (int) ((pt.y * 8) / charHeight); + pt2.y = wxMulDivInt32(pt.y, 8, base.y); return pt2; } -wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt) +wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt) const { - int charWidth = GetCharWidth(); - int charHeight = GetCharHeight(); + const wxSize base = GetDlgUnitBase(); + wxPoint pt2 = wxDefaultPosition; if (pt.x != wxDefaultCoord) - pt2.x = (int) ((pt.x * charWidth) / 4); + pt2.x = wxMulDivInt32(pt.x, base.x, 4); if (pt.y != wxDefaultCoord) - pt2.y = (int) ((pt.y * charHeight) / 8); + pt2.y = wxMulDivInt32(pt.y, base.y, 8); return pt2; } @@ -2421,7 +2800,7 @@ wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt) // ---------------------------------------------------------------------------- // propagate the colour change event to the subwindows -void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event) +void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event)) { wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); while ( node ) @@ -2431,7 +2810,7 @@ void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event) if ( !win->IsTopLevel() ) { wxSysColourChangedEvent event2; - event.SetEventObject(win); + event2.SetEventObject(win); win->GetEventHandler()->ProcessEvent(event2); } @@ -2462,6 +2841,9 @@ bool wxWindowBase::PopupMenu(wxMenu *menu, int x, int y) { wxCHECK_MSG( menu, false, "can't popup NULL menu" ); + wxMenuInvokingWindowSetter + setInvokingWin(*menu, static_cast(this)); + wxCurrentPopupMenu = menu; const bool rc = DoPopupMenu(menu, x, y); wxCurrentPopupMenu = NULL; @@ -2525,8 +2907,11 @@ wxWindowBase::DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y) #endif // wxUSE_MENUS -// methods for drawing the sizers in a visible way -#ifdef __WXDEBUG__ +// methods for drawing the sizers in a visible way: this is currently only +// enabled for "full debug" builds with wxDEBUG_LEVEL==2 as it doesn't work +// that well and also because we don't want to leave it enabled in default +// builds used for production +#if wxDEBUG_LEVEL > 1 static void DrawSizers(wxWindowBase *win); @@ -2608,22 +2993,27 @@ static void DrawSizers(wxWindowBase *win) } } -#endif // __WXDEBUG__ +#endif // wxDEBUG_LEVEL // process special middle clicks void wxWindowBase::OnMiddleClick( wxMouseEvent& event ) { if ( event.ControlDown() && event.AltDown() ) { -#ifdef __WXDEBUG__ +#if wxDEBUG_LEVEL > 1 // Ctrl-Alt-Shift-mclick makes the sizers visible in debug builds if ( event.ShiftDown() ) { DrawSizers(this); - return; } + else #endif // __WXDEBUG__ - ::wxInfoMessageBox((wxWindow*)this); + { +#if wxUSE_MSGDLG + // just Ctrl-Alt-middle click shows information about wx version + ::wxInfoMessageBox((wxWindow*)this); +#endif // wxUSE_MSGDLG + } } else { @@ -2665,19 +3055,19 @@ wxAccessible* wxWindowBase::CreateAccessible() // list classes implementation // ---------------------------------------------------------------------------- -#if wxUSE_STL +#if wxUSE_STD_CONTAINERS #include "wx/listimpl.cpp" WX_DEFINE_LIST(wxWindowList) -#else // !wxUSE_STL +#else // !wxUSE_STD_CONTAINERS void wxWindowListNode::DeleteData() { delete (wxWindow *)GetData(); } -#endif // wxUSE_STL/!wxUSE_STL +#endif // wxUSE_STD_CONTAINERS/!wxUSE_STD_CONTAINERS // ---------------------------------------------------------------------------- // borders @@ -2737,9 +3127,9 @@ bool wxWindowBase::ms_winCaptureChanging = false; void wxWindowBase::CaptureMouse() { - wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), static_cast(this)); + wxLogTrace(wxT("mousecapture"), wxT("CaptureMouse(%p)"), static_cast(this)); - wxASSERT_MSG( !ms_winCaptureChanging, _T("recursive CaptureMouse call?") ); + wxASSERT_MSG( !ms_winCaptureChanging, wxT("recursive CaptureMouse call?") ); ms_winCaptureChanging = true; @@ -2764,9 +3154,9 @@ void wxWindowBase::CaptureMouse() void wxWindowBase::ReleaseMouse() { - wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), static_cast(this)); + wxLogTrace(wxT("mousecapture"), wxT("ReleaseMouse(%p)"), static_cast(this)); - wxASSERT_MSG( !ms_winCaptureChanging, _T("recursive ReleaseMouse call?") ); + wxASSERT_MSG( !ms_winCaptureChanging, wxT("recursive ReleaseMouse call?") ); wxASSERT_MSG( GetCapture() == this, "attempt to release mouse, but this window hasn't captured it" ); @@ -2791,8 +3181,8 @@ void wxWindowBase::ReleaseMouse() ms_winCaptureChanging = false; - wxLogTrace(_T("mousecapture"), - (const wxChar *) _T("After ReleaseMouse() mouse is captured by %p"), + wxLogTrace(wxT("mousecapture"), + (const wxChar *) wxT("After ReleaseMouse() mouse is captured by %p"), static_cast(GetCapture())); } @@ -2806,7 +3196,7 @@ static void DoNotifyWindowAboutCaptureLost(wxWindow *win) // correctly if it loses capture unexpectedly; see the discussion here: // http://sourceforge.net/tracker/index.php?func=detail&aid=1153662&group_id=9863&atid=109863 // http://article.gmane.org/gmane.comp.lib.wxwidgets.devel/82376 - wxFAIL_MSG( _T("window that captured the mouse didn't process wxEVT_MOUSE_CAPTURE_LOST") ); + wxFAIL_MSG( wxT("window that captured the mouse didn't process wxEVT_MOUSE_CAPTURE_LOST") ); } } @@ -2869,7 +3259,7 @@ bool wxWindowBase::TryBefore(wxEvent& event) if ( event.GetEventObject() == this ) { wxValidator * const validator = GetValidator(); - if ( validator && validator->ProcessEventHere(event) ) + if ( validator && validator->ProcessEventLocally(event) ) { return true; } @@ -2911,11 +3301,11 @@ bool wxWindowBase::TryAfter(wxEvent& event) wxWindow *wxWindowBase::DoGetSibling(WindowOrder order) const { wxCHECK_MSG( GetParent(), NULL, - _T("GetPrev/NextSibling() don't work for TLWs!") ); + wxT("GetPrev/NextSibling() don't work for TLWs!") ); wxWindowList& siblings = GetParent()->GetChildren(); wxWindowList::compatibility_iterator i = siblings.Find((wxWindow *)this); - wxCHECK_MSG( i, NULL, _T("window not a child of its parent?") ); + wxCHECK_MSG( i, NULL, wxT("window not a child of its parent?") ); if ( order == OrderBefore ) i = i->GetPrevious(); @@ -2969,7 +3359,7 @@ void wxWindowBase::DoMoveInTabOrder(wxWindow *win, WindowOrder move) { // check that we're not a top level window wxCHECK_RET( GetParent(), - _T("MoveBefore/AfterInTabOrder() don't work for TLWs!") ); + wxT("MoveBefore/AfterInTabOrder() don't work for TLWs!") ); // detect the special case when we have nothing to do anyhow and when the // code below wouldn't work @@ -2979,10 +3369,10 @@ void wxWindowBase::DoMoveInTabOrder(wxWindow *win, WindowOrder move) // find the target window in the siblings list wxWindowList& siblings = GetParent()->GetChildren(); wxWindowList::compatibility_iterator i = siblings.Find(win); - wxCHECK_RET( i, _T("MoveBefore/AfterInTabOrder(): win is not a sibling") ); + wxCHECK_RET( i, wxT("MoveBefore/AfterInTabOrder(): win is not a sibling") ); - // unfortunately, when wxUSE_STL == 1 DetachNode() is not implemented so we - // can't just move the node around + // unfortunately, when wxUSE_STD_CONTAINERS == 1 DetachNode() is not + // implemented so we can't just move the node around wxWindow *self = (wxWindow *)this; siblings.DeleteObject(self); if ( move == OrderAfter ) @@ -3012,9 +3402,9 @@ void wxWindowBase::DoMoveInTabOrder(wxWindow *win, WindowOrder move) bool wxWindowBase::HasFocus() const { - wxWindowBase *win = DoFindFocus(); - return win == this || - win == wxConstCast(this, wxWindowBase)->GetMainWindowOfCompositeControl(); + wxWindowBase* const win = DoFindFocus(); + return win && + (this == win || this == win->GetMainWindowOfCompositeControl()); } // ---------------------------------------------------------------------------- @@ -3124,7 +3514,7 @@ wxAccStatus wxWindowAccessible::GetLocation(wxRect& rect, int elementId) if (win) { rect = win->GetRect(); - if (win->GetParent() && !win->IsKindOf(CLASSINFO(wxTopLevelWindow))) + if (win->GetParent() && !wxDynamicCast(win, wxTopLevelWindow)) rect.SetPosition(win->GetParent()->ClientToScreen(rect.GetPosition())); return wxACC_OK; } @@ -3243,7 +3633,7 @@ wxAccStatus wxWindowAccessible::GetName(int childId, wxString* name) // accessible classes, one for each kind of wxWidgets // control or window. #if wxUSE_BUTTON - if (GetWindow()->IsKindOf(CLASSINFO(wxButton))) + if (wxDynamicCast(GetWindow(), wxButton)) title = ((wxButton*) GetWindow())->GetLabel(); else #endif @@ -3402,14 +3792,14 @@ wxAccStatus wxWindowAccessible::GetRole(int childId, wxAccRole* role) if (childId > 0) return wxACC_NOT_IMPLEMENTED; - if (GetWindow()->IsKindOf(CLASSINFO(wxControl))) + if (wxDynamicCast(GetWindow(), wxControl)) return wxACC_NOT_IMPLEMENTED; #if wxUSE_STATUSBAR - if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar))) + if (wxDynamicCast(GetWindow(), wxStatusBar)) return wxACC_NOT_IMPLEMENTED; #endif #if wxUSE_TOOLBAR - if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar))) + if (wxDynamicCast(GetWindow(), wxToolBar)) return wxACC_NOT_IMPLEMENTED; #endif @@ -3434,15 +3824,15 @@ wxAccStatus wxWindowAccessible::GetState(int childId, long* state) if (childId > 0) return wxACC_NOT_IMPLEMENTED; - if (GetWindow()->IsKindOf(CLASSINFO(wxControl))) + if (wxDynamicCast(GetWindow(), wxControl)) return wxACC_NOT_IMPLEMENTED; #if wxUSE_STATUSBAR - if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar))) + if (wxDynamicCast(GetWindow(), wxStatusBar)) return wxACC_NOT_IMPLEMENTED; #endif #if wxUSE_TOOLBAR - if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar))) + if (wxDynamicCast(GetWindow(), wxToolBar)) return wxACC_NOT_IMPLEMENTED; #endif