/////////////////////////////////////////////////////////////////////////////
-// Name: src/common/window.cpp
+// Name: src/common/wincmn.cpp
// Purpose: common (to all ports) wxWindow functions
// Author: Julian Smart, Vadim Zeitlin
// Modified by:
// Created: 13/07/98
-// RCS-ID: $Id$
// Copyright: (c) wxWidgets team
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#endif
#include "wx/platinfo.h"
+#include "wx/recguard.h"
+#include "wx/private/window.h"
+
+#ifdef __WINDOWS__
+ #include "wx/msw/wrapwin.h"
+#endif
// Windows List
WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows;
wxMenu *wxCurrentPopupMenu = NULL;
#endif // wxUSE_MENUS
+extern WXDLLEXPORT_DATA(const char) wxPanelNameStr[] = "panel";
+
+namespace wxMouseCapture
+{
+
+// Check if the given window is in the capture stack.
+bool IsInCaptureStack(wxWindowBase* win);
+
+} // wxMouseCapture
+
// ----------------------------------------------------------------------------
// static data
// ----------------------------------------------------------------------------
// 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<wxWindowList::compatibility_iterator>( 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
// ----------------------------------------------------------------------------
// 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)
- if ( !wxTopLevelWindows.Find(this) ) // can't use IsTopLevel() from ctor
+ //
+ // note that we can't use IsTopLevel() from ctor
+ if ( size != wxDefaultSize && !wxTopLevelWindows.Find((wxWindow *)this) )
SetMinSize(size);
SetName(name);
// common clean up
wxWindowBase::~wxWindowBase()
{
- wxASSERT_MSG( GetCapture() != this, wxT("attempt to destroy window with mouse capture") );
+ wxASSERT_MSG( !wxMouseCapture::IsInCaptureStack(this),
+ "Destroying window before releasing mouse capture: this "
+ "will result in a crash later." );
// FIXME if these 2 cases result from programming errors in the user code
// we should probably assert here instead of silently fixing them
// 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
// 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
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;
// 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.
wxWindow *win = node->GetData();
if ( !win->IsTopLevel() && win->IsShown()
#if wxUSE_SCROLLBAR
- && !win->IsKindOf(CLASSINFO(wxScrollBar))
+ && !wxDynamicCast(win, wxScrollBar)
#endif
)
realChildCount ++;
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
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() )
// it to be used
wxSize size = DoGetBestClientSize();
if ( size != wxDefaultSize )
- {
size += DoGetBorderSize();
+ else
+ size = DoGetBestSize();
- CacheBestSize(size);
- return size;
- }
+ // 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 DoGetBestSize();
+ 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)
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:
wxSizeEvent event(GetSize(), GetId());
event.SetEventObject(this);
if ( flags & wxSEND_EVENT_POST )
- wxPostEvent(this, event);
+ wxPostEvent(GetEventHandler(), event);
else
HandleWindowEvent(event);
}
parent->SendSizeEvent(flags);
}
+bool wxWindowBase::CanScroll(int orient) const
+{
+ return (m_windowStyle &
+ (orient == wxHORIZONTAL ? wxHSCROLL : wxVSCROLL)) != 0;
+}
+
bool wxWindowBase::HasScrollbar(int orient) const
{
// if scrolling in the given direction is disabled, we can't have the
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).
+#ifndef wxHAS_NATIVE_ENABLED_MANAGEMENT
for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
node;
node = node->GetNext() )
if ( !child->IsTopLevel() && child->IsThisEnabled() )
child->NotifyWindowOnEnableChange(enabled);
}
+#endif // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
}
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);
}
// ----------------------------------------------------------------------------
-// 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") );
child->SetParent(NULL);
}
+void wxWindowBase::SetParent(wxWindowBase *parent)
+{
+ // This assert catches typos which may result in using "this" instead of
+ // "parent" when creating the window. This doesn't happen often but when it
+ // does the results are unpleasant because the program typically just
+ // crashes when due to a stack overflow or something similar and this
+ // assert doesn't cost much (OTOH doing a more general check that the
+ // parent is not one of our children would be more expensive and probably
+ // not worth it).
+ wxASSERT_MSG( parent != this, wxS("Can't use window as its own parent") );
+
+ m_parent = (wxWindow *)parent;
+}
+
bool wxWindowBase::Reparent(wxWindowBase *newParent)
{
wxWindow *oldParent = GetParent();
"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;
// 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();
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;
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;
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 )
m_inheritBgCol = m_hasBgCol;
m_backgroundColour = colour;
- SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.Ok() );
+ SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.IsOk() );
return true;
}
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;
}
for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
{
wxWindowBase *child = node->GetData();
+
+ // As usual, don't recurse into child dialogs, finding a button in a
+ // child dialog when looking in this window would be unexpected.
+ if ( child->IsTopLevel() )
+ continue;
+
res = child->FindWindow( id );
}
for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
{
wxWindow *child = node->GetData();
+
+ // As in FindWindow() overload above, never recurse into child dialogs.
+ if ( child->IsTopLevel() )
+ continue;
+
res = child->FindWindow(name);
}
// dialog oriented functions
// ----------------------------------------------------------------------------
+#if WXWIN_COMPATIBILITY_2_8
void wxWindowBase::MakeModal(bool modal)
{
// Disable all other windows
}
}
}
+#endif // WXWIN_COMPATIBILITY_2_8
+
+#if wxUSE_VALIDATORS
+
+namespace
+{
+
+// This class encapsulates possibly recursive iteration on window children done
+// by Validate() and TransferData{To,From}Window() and allows to avoid code
+// duplication in all three functions.
+class ValidationTraverserBase
+{
+public:
+ wxEXPLICIT ValidationTraverserBase(wxWindowBase* win)
+ : m_win(static_cast<wxWindow*>(win))
+ {
+ }
+
+ // Traverse all the direct children calling OnDo() on them and also all
+ // grandchildren if wxWS_EX_VALIDATE_RECURSIVELY is used, calling
+ // OnRecurse() for them.
+ bool DoForAllChildren()
+ {
+ const bool recurse = m_win->HasExtraStyle(wxWS_EX_VALIDATE_RECURSIVELY);
+
+ wxWindowList& children = m_win->GetChildren();
+ for ( wxWindowList::iterator i = children.begin();
+ i != children.end();
+ ++i )
+ {
+ wxWindow* const child = static_cast<wxWindow*>(*i);
+ wxValidator* const validator = child->GetValidator();
+ if ( validator && !OnDo(validator) )
+ {
+ return false;
+ }
+
+ // Notice that validation should never recurse into top level
+ // children, e.g. some other dialog which might happen to be
+ // currently shown.
+ if ( recurse && !child->IsTopLevel() && !OnRecurse(child) )
+ {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ // Give it a virtual dtor just to suppress gcc warnings about a class with
+ // virtual methods but non-virtual dtor -- even if this is completely safe
+ // here as we never use the objects of this class polymorphically.
+ virtual ~ValidationTraverserBase() { }
+
+protected:
+ // Called for each child, validator is guaranteed to be non-NULL.
+ virtual bool OnDo(wxValidator* validator) = 0;
+
+ // Called for each child if we need to recurse into its children.
+ virtual bool OnRecurse(wxWindow* child) = 0;
+
+
+ // The window whose children we're traversing.
+ wxWindow* const m_win;
+
+ wxDECLARE_NO_COPY_CLASS(ValidationTraverserBase);
+};
+
+} // anonymous namespace
+
+#endif // wxUSE_VALIDATORS
bool wxWindowBase::Validate()
{
#if wxUSE_VALIDATORS
- bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
-
- wxWindowList::compatibility_iterator node;
- for ( node = m_children.GetFirst(); node; node = node->GetNext() )
+ class ValidateTraverser : public ValidationTraverserBase
{
- wxWindowBase *child = node->GetData();
- wxValidator *validator = child->GetValidator();
- if ( validator && !validator->Validate((wxWindow *)this) )
+ public:
+ wxEXPLICIT ValidateTraverser(wxWindowBase* win)
+ : ValidationTraverserBase(win)
{
- return false;
}
- if ( recurse && !child->Validate() )
+ virtual bool OnDo(wxValidator* validator)
{
- return false;
+ return validator->Validate(m_win);
}
- }
-#endif // wxUSE_VALIDATORS
+ virtual bool OnRecurse(wxWindow* child)
+ {
+ return child->Validate();
+ }
+ };
+
+ return ValidateTraverser(this).DoForAllChildren();
+#else // !wxUSE_VALIDATORS
return true;
+#endif // wxUSE_VALIDATORS/!wxUSE_VALIDATORS
}
bool wxWindowBase::TransferDataToWindow()
{
#if wxUSE_VALIDATORS
- bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
-
- wxWindowList::compatibility_iterator node;
- for ( node = m_children.GetFirst(); node; node = node->GetNext() )
+ class DataToWindowTraverser : public ValidationTraverserBase
{
- wxWindowBase *child = node->GetData();
- wxValidator *validator = child->GetValidator();
- if ( validator && !validator->TransferToWindow() )
+ public:
+ wxEXPLICIT DataToWindowTraverser(wxWindowBase* win)
+ : ValidationTraverserBase(win)
{
- wxLogWarning(_("Could not transfer data to window"));
-#if wxUSE_LOG
- wxLog::FlushActive();
-#endif // wxUSE_LOG
-
- return false;
}
- if ( recurse )
+ virtual bool OnDo(wxValidator* validator)
{
- if ( !child->TransferDataToWindow() )
+ if ( !validator->TransferToWindow() )
{
- // warning already given
+ wxLogWarning(_("Could not transfer data to window"));
+#if wxUSE_LOG
+ wxLog::FlushActive();
+#endif // wxUSE_LOG
+
return false;
}
+
+ return true;
}
- }
-#endif // wxUSE_VALIDATORS
+ virtual bool OnRecurse(wxWindow* child)
+ {
+ return child->TransferDataToWindow();
+ }
+ };
+
+ return DataToWindowTraverser(this).DoForAllChildren();
+#else // !wxUSE_VALIDATORS
return true;
+#endif // wxUSE_VALIDATORS/!wxUSE_VALIDATORS
}
bool wxWindowBase::TransferDataFromWindow()
{
#if wxUSE_VALIDATORS
- bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
-
- wxWindowList::compatibility_iterator node;
- for ( node = m_children.GetFirst(); node; node = node->GetNext() )
+ class DataFromWindowTraverser : public ValidationTraverserBase
{
- wxWindow *child = node->GetData();
- wxValidator *validator = child->GetValidator();
- if ( validator && !validator->TransferFromWindow() )
+ public:
+ DataFromWindowTraverser(wxWindowBase* win)
+ : ValidationTraverserBase(win)
{
- // nop warning here because the application is supposed to give
- // one itself - we don't know here what might have gone wrongly
+ }
- return false;
+ virtual bool OnDo(wxValidator* validator)
+ {
+ return validator->TransferFromWindow();
}
- if ( recurse )
+ virtual bool OnRecurse(wxWindow* child)
{
- if ( !child->TransferDataFromWindow() )
- {
- // warning already given
- return false;
- }
+ return child->TransferDataFromWindow();
}
- }
-#endif // wxUSE_VALIDATORS
+ };
+ return DataFromWindowTraverser(this).DoForAllChildren();
+#else // !wxUSE_VALIDATORS
return true;
+#endif // wxUSE_VALIDATORS/!wxUSE_VALIDATORS
}
void wxWindowBase::InitDialog()
}
}
+bool wxWindowBase::CopyToolTip(wxToolTip *tip)
+{
+ SetToolTip(tip ? new wxToolTip(tip->GetTip()) : NULL);
+
+ return tip != NULL;
+}
+
#endif // wxUSE_TOOLTIPS
// ----------------------------------------------------------------------------
{
if ( c )
{
- if ( c->left.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
+ if ( c->left.GetOtherWindow() && (c->left.GetOtherWindow() != this) )
c->left.GetOtherWindow()->RemoveConstraintReference(this);
if ( c->top.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
c->top.GetOtherWindow()->RemoveConstraintReference(this);
node = next;
}
- delete m_constraintsInvolvedIn;
- m_constraintsInvolvedIn = NULL;
+ wxDELETE(m_constraintsInvolvedIn);
}
}
wxLayoutConstraints *constr = GetConstraints();
if ( constr && constr->AreSatisfied() )
{
+ ChildrenRepositioningGuard repositionGuard(this);
+
int x = constr->left.GetValue();
int y = constr->top.GetValue();
int w = constr->width.GetValue();
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
{
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;
}
}
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
{
- int charWidth = GetCharWidth();
- int charHeight = GetCharHeight();
+ 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
+{
+ 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;
}
// ----------------------------------------------------------------------------
// 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 )
if ( !win->IsTopLevel() )
{
wxSysColourChangedEvent event2;
- event.SetEventObject(win);
+ event2.SetEventObject(win);
win->GetEventHandler()->ProcessEvent(event2);
}
{
wxCHECK_MSG( menu, false, "can't popup NULL menu" );
+ wxMenuInvokingWindowSetter
+ setInvokingWin(*menu, static_cast<wxWindow *>(this));
+
wxCurrentPopupMenu = menu;
const bool rc = DoPopupMenu(menu, x, y);
wxCurrentPopupMenu = NULL;
{
gs_popupMenuSelection = wxID_NONE;
- Connect(wxEVT_COMMAND_MENU_SELECTED,
+ Connect(wxEVT_MENU,
wxCommandEventHandler(wxWindowBase::InternalOnPopupMenu),
NULL,
this);
wxUpdateUIEventHandler(wxWindowBase::InternalOnPopupMenuUpdate),
NULL,
this);
- Disconnect(wxEVT_COMMAND_MENU_SELECTED,
+ Disconnect(wxEVT_MENU,
wxCommandEventHandler(wxWindowBase::InternalOnPopupMenu),
NULL,
this);
else
#endif // __WXDEBUG__
{
+#if wxUSE_MSGDLG
// just Ctrl-Alt-middle click shows information about wx version
::wxInfoMessageBox((wxWindow*)this);
+#endif // wxUSE_MSGDLG
}
}
else
// 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
// mouse capture
// ----------------------------------------------------------------------------
-struct WXDLLEXPORT wxWindowNext
+// Private data used for mouse capture tracking.
+namespace wxMouseCapture
+{
+
+// Stack of the windows which previously had the capture, the top most element
+// is the window that has the mouse capture now.
+//
+// NB: We use wxVector and not wxStack to be able to examine all of the stack
+// elements for debug checks, but only the stack operations should be
+// performed with this vector.
+wxVector<wxWindow*> stack;
+
+// Flag preventing reentrancy in {Capture,Release}Mouse().
+wxRecursionGuardFlag changing;
+
+bool IsInCaptureStack(wxWindowBase* win)
{
- wxWindow *win;
- wxWindowNext *next;
-} *wxWindowBase::ms_winCaptureNext = NULL;
-wxWindow *wxWindowBase::ms_winCaptureCurrent = NULL;
-bool wxWindowBase::ms_winCaptureChanging = false;
+ for ( wxVector<wxWindow*>::const_iterator it = stack.begin();
+ it != stack.end();
+ ++it )
+ {
+ if ( *it == win )
+ return true;
+ }
+
+ return false;
+}
+
+} // wxMouseCapture
void wxWindowBase::CaptureMouse()
{
wxLogTrace(wxT("mousecapture"), wxT("CaptureMouse(%p)"), static_cast<void*>(this));
- wxASSERT_MSG( !ms_winCaptureChanging, wxT("recursive CaptureMouse call?") );
+ wxRecursionGuard guard(wxMouseCapture::changing);
+ wxASSERT_MSG( !guard.IsInside(), wxT("recursive CaptureMouse call?") );
- ms_winCaptureChanging = true;
+ wxASSERT_MSG( !wxMouseCapture::IsInCaptureStack(this),
+ "Recapturing the mouse in the same window?" );
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();
- ms_winCaptureCurrent = (wxWindow*)this;
- ms_winCaptureChanging = false;
+ wxMouseCapture::stack.push_back(static_cast<wxWindow*>(this));
}
void wxWindowBase::ReleaseMouse()
{
wxLogTrace(wxT("mousecapture"), wxT("ReleaseMouse(%p)"), static_cast<void*>(this));
- wxASSERT_MSG( !ms_winCaptureChanging, wxT("recursive ReleaseMouse call?") );
-
- wxASSERT_MSG( GetCapture() == this,
- "attempt to release mouse, but this window hasn't captured it" );
- wxASSERT_MSG( ms_winCaptureCurrent == this,
- "attempt to release mouse, but this window hasn't captured it" );
+ wxRecursionGuard guard(wxMouseCapture::changing);
+ wxASSERT_MSG( !guard.IsInside(), wxT("recursive ReleaseMouse call?") );
- ms_winCaptureChanging = true;
+#if wxDEBUG_LEVEL
+ wxWindow* const winCapture = GetCapture();
+ if ( !winCapture )
+ {
+ wxFAIL_MSG
+ (
+ wxString::Format
+ (
+ "Releasing mouse in %p(%s) but it is not captured",
+ this, GetClassInfo()->GetClassName()
+ )
+ );
+ }
+ else if ( winCapture != this )
+ {
+ wxFAIL_MSG
+ (
+ wxString::Format
+ (
+ "Releasing mouse in %p(%s) but it is captured by %p(%s)",
+ this, GetClassInfo()->GetClassName(),
+ winCapture, winCapture->GetClassInfo()->GetClassName()
+ )
+ );
+ }
+#endif // wxDEBUG_LEVEL
DoReleaseMouse();
- ms_winCaptureCurrent = NULL;
- if ( ms_winCaptureNext )
- {
- ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse();
- ms_winCaptureCurrent = ms_winCaptureNext->win;
+ wxCHECK_RET( !wxMouseCapture::stack.empty(),
+ "Releasing mouse capture but capture stack empty?" );
+ wxCHECK_RET( wxMouseCapture::stack.back() == this,
+ "Window releasing mouse capture not top of capture stack?" );
- wxWindowNext *item = ms_winCaptureNext;
- ms_winCaptureNext = item->next;
- delete item;
- }
- //else: stack is empty, no previous capture
+ wxMouseCapture::stack.pop_back();
- ms_winCaptureChanging = false;
+ // Restore the capture to the previous window, if any.
+ if ( !wxMouseCapture::stack.empty() )
+ {
+ ((wxWindowBase*)wxMouseCapture::stack.back())->DoCaptureMouse();
+ }
wxLogTrace(wxT("mousecapture"),
- (const wxChar *) wxT("After ReleaseMouse() mouse is captured by %p"),
+ wxT("After ReleaseMouse() mouse is captured by %p"),
static_cast<void*>(GetCapture()));
}
{
// don't do anything if capture lost was expected, i.e. resulted from
// a wx call to ReleaseMouse or CaptureMouse:
- if ( ms_winCaptureChanging )
+ wxRecursionGuard guard(wxMouseCapture::changing);
+ if ( guard.IsInside() )
return;
// if the capture was lost unexpectedly, notify every window that has
// capture (on stack or current) about it and clear the stack:
-
- if ( ms_winCaptureCurrent )
+ while ( !wxMouseCapture::stack.empty() )
{
- DoNotifyWindowAboutCaptureLost(ms_winCaptureCurrent);
- ms_winCaptureCurrent = NULL;
- }
+ DoNotifyWindowAboutCaptureLost(wxMouseCapture::stack.back());
- while ( ms_winCaptureNext )
- {
- wxWindowNext *item = ms_winCaptureNext;
- ms_winCaptureNext = item->next;
-
- DoNotifyWindowAboutCaptureLost(item->win);
-
- delete item;
+ wxMouseCapture::stack.pop_back();
}
}
if ( event.GetEventObject() == this )
{
wxValidator * const validator = GetValidator();
- if ( validator && validator->ProcessEventHere(event) )
+ if ( validator && validator->ProcessEventLocally(event) )
{
return true;
}
wxWindow *parent = GetParent();
if ( parent && !parent->IsBeingDeleted() )
{
- wxPropagateOnce propagateOnce(event);
+ wxPropagateOnce propagateOnce(event, this);
return parent->GetEventHandler()->ProcessEvent(event);
}
wxWindowList::compatibility_iterator i = siblings.Find(win);
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 )
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());
}
// ----------------------------------------------------------------------------
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;
}
// 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
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
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
projects / wxWidgets.git / blobdiff