removed the strange __WXMSW__ test in AddFile(bitmap) -- why should this function...

[wxWidgets.git] / src / common / wincmn.cpp

diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp
index 04ee2969608ff32e0f26ea107d6581ac311a6855..03e49a2a0c49e9461eb0cd78e6abbc223b5110a8 100644 (file)
--- a/src/common/wincmn.cpp
+++ b/src/common/wincmn.cpp
@@ -87,9 +87,9 @@
 WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows;
 
 // globals
 WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows;
 
 // globals

-#if wxUSE_MENUS_NATIVE
+#if wxUSE_MENUS

 wxMenu *wxCurrentPopupMenu = NULL;
 wxMenu *wxCurrentPopupMenu = NULL;

-#endif // wxUSE_MENUS_NATIVE
+#endif // wxUSE_MENUS

 
 // ----------------------------------------------------------------------------
 // static data
 
 // ----------------------------------------------------------------------------
 // static data


@@ -173,7 +173,6 @@ wxWindowBase::wxWindowBase()
     m_windowSizer = (wxSizer *) NULL;
     m_containingSizer = (wxSizer *) NULL;
     m_autoLayout = false;
     m_windowSizer = (wxSizer *) NULL;
     m_containingSizer = (wxSizer *) NULL;
     m_autoLayout = false;

-    m_freeId = false;

 
 #if wxUSE_DRAG_AND_DROP
     m_dropTarget = (wxDropTarget *)NULL;
 
 #if wxUSE_DRAG_AND_DROP
     m_dropTarget = (wxDropTarget *)NULL;


@@ -212,6 +211,8 @@ wxWindowBase::wxWindowBase()
 
     // VZ: this one shouldn't exist...
     m_isBeingDeleted = false;
 
     // VZ: this one shouldn't exist...
     m_isBeingDeleted = false;

+
+    m_freezeCount = 0;

 }
 
 // common part of window creation process
 }
 
 // common part of window creation process


@@ -245,9 +246,6 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent,
     if ( id == wxID_ANY )
     {
         m_windowId = NewControlId();
     if ( id == wxID_ANY )
     {
         m_windowId = NewControlId();

-
-        // remember to call ReleaseControlId() when this window is destroyed
-        m_freeId = true;

     }
     else // valid id specified
     {
     }
     else // valid id specified
     {


@@ -308,10 +306,6 @@ wxWindowBase::~wxWindowBase()
 {
     wxASSERT_MSG( GetCapture() != this, wxT("attempt to destroy window with mouse capture") );
 
 {
     wxASSERT_MSG( GetCapture() != this, wxT("attempt to destroy window with mouse capture") );
 

-    // mark the id as unused if we allocated it for this control
-    if ( m_freeId )
-        ReleaseControlId(m_windowId);
-

     // FIXME if these 2 cases result from programming errors in the user code
     //       we should probably assert here instead of silently fixing them
 
     // FIXME if these 2 cases result from programming errors in the user code
     //       we should probably assert here instead of silently fixing them
 


@@ -323,10 +317,12 @@ wxWindowBase::~wxWindowBase()
     // we weren't a dialog class
     wxTopLevelWindows.DeleteObject((wxWindow*)this);
 
     // we weren't a dialog class
     wxTopLevelWindows.DeleteObject((wxWindow*)this);
 

+#if wxUSE_MENUS

     // The associated popup menu can still be alive, disassociate from it in
     // this case
     if ( wxCurrentPopupMenu && wxCurrentPopupMenu->GetInvokingWindow() == this )
         wxCurrentPopupMenu->SetInvokingWindow(NULL);
     // The associated popup menu can still be alive, disassociate from it in
     // this case
     if ( wxCurrentPopupMenu && wxCurrentPopupMenu->GetInvokingWindow() == this )
         wxCurrentPopupMenu->SetInvokingWindow(NULL);

+#endif // wxUSE_MENUS

 
     wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") );
 
 
     wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") );
 


@@ -373,6 +369,20 @@ wxWindowBase::~wxWindowBase()
 #if wxUSE_ACCESSIBILITY
     delete m_accessible;
 #endif
 #if wxUSE_ACCESSIBILITY
     delete m_accessible;
 #endif

+
+#if wxUSE_HELP
+    // NB: this has to be called unconditionally, because we don't know
+    //     whether this window has associated help text or not
+    wxHelpProvider *helpProvider = wxHelpProvider::Get();
+    if ( helpProvider )
+        helpProvider->RemoveHelp(this);
+#endif
+}
+
+bool wxWindowBase::IsBeingDeleted() const
+{
+    return m_isBeingDeleted ||
+            (!IsTopLevel() && m_parent && m_parent->IsBeingDeleted());

 }
 
 void wxWindowBase::SendDestroyEvent()
 }
 
 void wxWindowBase::SendDestroyEvent()


@@ -398,7 +408,7 @@ bool wxWindowBase::Close(bool force)
 
     // return false if window wasn't closed because the application vetoed the
     // close event
 
     // return false if window wasn't closed because the application vetoed the
     // close event

-    return GetEventHandler()->ProcessEvent(event) && !event.GetVeto();
+    return HandleWindowEvent(event) && !event.GetVeto();

 }
 
 bool wxWindowBase::DestroyChildren()
 }
 
 bool wxWindowBase::DestroyChildren()


@@ -717,6 +727,22 @@ wxPoint wxWindowBase::GetClientAreaOrigin() const
     return wxPoint(0,0);
 }
 
     return wxPoint(0,0);
 }
 

+wxSize wxWindowBase::ClientToWindowSize(const wxSize& size) const
+{
+    const wxSize diff(GetSize() - GetClientSize());
+
+    return wxSize(size.x == -1 ? -1 : size.x + diff.x,
+                  size.y == -1 ? -1 : size.y + diff.y);
+}
+
+wxSize wxWindowBase::WindowToClientSize(const wxSize& size) const
+{
+    const wxSize diff(GetSize() - GetClientSize());
+
+    return wxSize(size.x == -1 ? -1 : size.x - diff.x,
+                  size.y == -1 ? -1 : size.y - diff.y);
+}
+

 void wxWindowBase::SetWindowVariant( wxWindowVariant variant )
 {
     if ( m_windowVariant != variant )
 void wxWindowBase::SetWindowVariant( wxWindowVariant variant )
 {
     if ( m_windowVariant != variant )


@@ -821,6 +847,23 @@ void wxWindowBase::DoGetScreenPosition(int *x, int *y) const
     ClientToScreen(x, y);
 }
 
     ClientToScreen(x, y);
 }
 

+void wxWindowBase::SendSizeEvent(int flags)
+{
+    wxSizeEvent event(GetSize(), GetId());
+    event.SetEventObject(this);
+    if ( flags & wxSEND_EVENT_POST )
+        wxPostEvent(this, event);
+    else
+        HandleWindowEvent(event);
+}
+
+void wxWindowBase::SendSizeEventToParent(int flags)
+{
+    wxWindow * const parent = GetParent();
+    if ( parent && !parent->IsBeingDeleted() )
+        parent->SendSizeEvent(flags);
+}
+

 // ----------------------------------------------------------------------------
 // show/hide/enable/disable the window
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // show/hide/enable/disable the window
 // ----------------------------------------------------------------------------


@@ -908,6 +951,52 @@ bool wxWindowBase::IsTopLevel() const
     return false;
 }
 
     return false;
 }
 

+// ----------------------------------------------------------------------------
+// Freeze/Thaw
+// ----------------------------------------------------------------------------
+
+void wxWindowBase::Freeze()
+{
+    if ( !m_freezeCount++ )
+    {
+        // physically freeze this window:
+        DoFreeze();
+
+        // and recursively freeze all children:
+        for ( wxWindowList::iterator i = GetChildren().begin();
+              i != GetChildren().end(); ++i )
+        {
+            wxWindow *child = *i;
+            if ( child->IsTopLevel() )
+                continue;
+
+            child->Freeze();
+        }
+    }
+}
+
+void wxWindowBase::Thaw()
+{
+    wxASSERT_MSG( m_freezeCount, "Thaw() without matching Freeze()" );
+
+    if ( !--m_freezeCount )
+    {
+        // recursively thaw all children:
+        for ( wxWindowList::iterator i = GetChildren().begin();
+              i != GetChildren().end(); ++i )
+        {
+            wxWindow *child = *i;
+            if ( child->IsTopLevel() )
+                continue;
+
+            child->Thaw();
+        }
+
+        // physically thaw this window:
+        DoThaw();
+    }
+}
+

 // ----------------------------------------------------------------------------
 // reparenting the window
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // reparenting the window
 // ----------------------------------------------------------------------------


@@ -923,12 +1012,25 @@ void wxWindowBase::AddChild(wxWindowBase *child)
 
     GetChildren().Append((wxWindow*)child);
     child->SetParent(this);
 
     GetChildren().Append((wxWindow*)child);
     child->SetParent(this);

+
+    // adding a child while frozen will assert when thawed, so freeze it as if
+    // it had been already present when we were frozen
+    if ( IsFrozen() && !child->IsTopLevel() )
+        child->Freeze();

 }
 
 void wxWindowBase::RemoveChild(wxWindowBase *child)
 {
     wxCHECK_RET( child, wxT("can't remove a NULL child") );
 
 }
 
 void wxWindowBase::RemoveChild(wxWindowBase *child)
 {
     wxCHECK_RET( child, wxT("can't remove a NULL child") );
 

+    // removing a child while frozen may result in permanently frozen window
+    // if used e.g. from Reparent(), so thaw it
+    //
+    // NB: IsTopLevel() doesn't return true any more when a TLW child is being
+    //     removed from its ~wxWindowBase, so check for IsBeingDeleted() too
+    if ( IsFrozen() && !child->IsBeingDeleted() && !child->IsTopLevel() )
+        child->Thaw();
+

     GetChildren().DeleteObject((wxWindow *)child);
     child->SetParent(NULL);
 }
     GetChildren().DeleteObject((wxWindow *)child);
     child->SetParent(NULL);
 }


@@ -1323,7 +1425,7 @@ void wxWindowBase::ClearBackground()
     // wxGTK uses its own version, no need to add never used code
 #ifndef __WXGTK__
     wxClientDC dc((wxWindow *)this);
     // wxGTK uses its own version, no need to add never used code
 #ifndef __WXGTK__
     wxClientDC dc((wxWindow *)this);

-    wxBrush brush(GetBackgroundColour(), wxSOLID);
+    wxBrush brush(GetBackgroundColour(), wxBRUSHSTYLE_SOLID);

     dc.SetBackground(brush);
     dc.Clear();
 #endif // __WXGTK__
     dc.SetBackground(brush);
     dc.Clear();
 #endif // __WXGTK__


@@ -1619,6 +1721,7 @@ void wxWindowBase::SetHelpText(const wxString& text)
     }
 }
 
     }
 }
 

+#if WXWIN_COMPATIBILITY_2_8

 // associate this help text with all windows with the same id as this
 // one
 void wxWindowBase::SetHelpTextForId(const wxString& text)
 // associate this help text with all windows with the same id as this
 // one
 void wxWindowBase::SetHelpTextForId(const wxString& text)


@@ -1629,6 +1732,7 @@ void wxWindowBase::SetHelpTextForId(const wxString& text)
         helpProvider->AddHelp(GetId(), text);
     }
 }
         helpProvider->AddHelp(GetId(), text);
     }
 }

+#endif // WXWIN_COMPATIBILITY_2_8

 
 // get the help string associated with this window (may be empty)
 // default implementation forwards calls to the help provider
 
 // get the help string associated with this window (may be empty)
 // default implementation forwards calls to the help provider


@@ -1652,7 +1756,29 @@ void wxWindowBase::OnHelp(wxHelpEvent& event)
     wxHelpProvider *helpProvider = wxHelpProvider::Get();
     if ( helpProvider )
     {
     wxHelpProvider *helpProvider = wxHelpProvider::Get();
     if ( helpProvider )
     {

-        if ( helpProvider->ShowHelpAtPoint(this, event.GetPosition(), event.GetOrigin()) )
+        wxPoint pos = event.GetPosition();
+        const wxHelpEvent::Origin origin = event.GetOrigin();
+        if ( origin == wxHelpEvent::Origin_Keyboard )
+        {
+            // if the help event was generated from keyboard it shouldn't
+            // appear at the mouse position (which is still the only position
+            // associated with help event) if the mouse is far away, although
+            // we still do use the mouse position if it's over the window
+            // because we suppose the user looks approximately at the mouse
+            // already and so it would be more convenient than showing tooltip
+            // at some arbitrary position which can be quite far from it
+            const wxRect rectClient = GetClientRect();
+            if ( !rectClient.Contains(ScreenToClient(pos)) )
+            {
+                // position help slightly under and to the right of this window
+                pos = ClientToScreen(wxPoint(
+                        2*GetCharWidth(),
+                        rectClient.height + GetCharHeight()
+                      ));
+            }
+        }
+
+        if ( helpProvider->ShowHelpAtPoint(this, pos, origin) )

         {
             // skip the event.Skip() below
             return;
         {
             // skip the event.Skip() below
             return;


@@ -2311,7 +2437,7 @@ static void DrawBorder(wxWindowBase *win, const wxRect& rect, bool fill = false)
 {
     wxClientDC dc((wxWindow *)win);
     dc.SetPen(*wxRED_PEN);
 {
     wxClientDC dc((wxWindow *)win);
     dc.SetPen(*wxRED_PEN);

-    dc.SetBrush(fill ? wxBrush(*wxRED, wxCROSSDIAG_HATCH): *wxTRANSPARENT_BRUSH);
+    dc.SetBrush(fill ? wxBrush(*wxRED, wxBRUSHSTYLE_CROSSDIAG_HATCH) : *wxTRANSPARENT_BRUSH);

     dc.DrawRectangle(rect.Deflate(1, 1));
 }
 
     dc.DrawRectangle(rect.Deflate(1, 1));
 }
 


@@ -2521,7 +2647,10 @@ void wxWindowBase::ReleaseMouse()
 
     wxASSERT_MSG( !ms_winCaptureChanging, _T("recursive ReleaseMouse call?") );
 
 
     wxASSERT_MSG( !ms_winCaptureChanging, _T("recursive ReleaseMouse call?") );
 

-    wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") );
+    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" );

 
     ms_winCaptureChanging = true;
 
 
     ms_winCaptureChanging = true;
 


@@ -2618,8 +2747,8 @@ bool wxWindowBase::TryValidator(wxEvent& wxVALIDATOR_PARAM(event))
     // is receiving the event
     if ( event.GetEventObject() == this )
     {
     // is receiving the event
     if ( event.GetEventObject() == this )
     {

-        wxValidator *validator = GetValidator();
-        if ( validator && validator->ProcessEvent(event) )
+        wxValidator * const validator = GetValidator();
+        if ( validator && validator->ProcessEventHere(event) )

         {
             return true;
         }
         {
             return true;
         }


@@ -2688,12 +2817,33 @@ bool wxWindowBase::DoNavigateIn(int flags)
     return false;
 #else // !wxHAS_NATIVE_TAB_TRAVERSAL
     wxNavigationKeyEvent eventNav;
     return false;
 #else // !wxHAS_NATIVE_TAB_TRAVERSAL
     wxNavigationKeyEvent eventNav;

+    wxWindow *focused = FindFocus();
+    eventNav.SetCurrentFocus(focused);
+    eventNav.SetEventObject(focused);

     eventNav.SetFlags(flags);
     eventNav.SetFlags(flags);

-    eventNav.SetEventObject(FindFocus());

     return GetEventHandler()->ProcessEvent(eventNav);
 #endif // wxHAS_NATIVE_TAB_TRAVERSAL/!wxHAS_NATIVE_TAB_TRAVERSAL
 }
 
     return GetEventHandler()->ProcessEvent(eventNav);
 #endif // wxHAS_NATIVE_TAB_TRAVERSAL/!wxHAS_NATIVE_TAB_TRAVERSAL
 }
 

+bool wxWindowBase::HandleAsNavigationKey(const wxKeyEvent& event)
+{
+    if ( event.GetKeyCode() != WXK_TAB )
+        return false;
+
+    int flags = wxNavigationKeyEvent::FromTab;
+
+    if ( event.ShiftDown() )
+        flags |= wxNavigationKeyEvent::IsBackward;
+    else
+        flags |= wxNavigationKeyEvent::IsForward;
+
+    if ( event.ControlDown() )
+        flags |= wxNavigationKeyEvent::WinChange;
+
+    Navigate(flags);
+    return true;
+}
+

 void wxWindowBase::DoMoveInTabOrder(wxWindow *win, WindowOrder move)
 {
     // check that we're not a top level window
 void wxWindowBase::DoMoveInTabOrder(wxWindow *win, WindowOrder move)
 {
     // check that we're not a top level window


@@ -2739,6 +2889,13 @@ void wxWindowBase::DoMoveInTabOrder(wxWindow *win, WindowOrder move)
     return win ? win->GetMainWindowOfCompositeControl() : NULL;
 }
 
     return win ? win->GetMainWindowOfCompositeControl() : NULL;
 }
 

+bool wxWindowBase::HasFocus() const
+{
+    wxWindowBase *win = DoFindFocus();
+    return win == this ||
+           win == wxConstCast(this, wxWindowBase)->GetMainWindowOfCompositeControl();
+}
+

 // ----------------------------------------------------------------------------
 // global functions
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // global functions
 // ----------------------------------------------------------------------------


@@ -3193,125 +3350,4 @@ wxWindowBase::AdjustForLayoutDirection(wxCoord x,
     return x;
 }
 
     return x;
 }
 

-// ----------------------------------------------------------------------------
-// Window (and menu items) identifiers management
-// ----------------------------------------------------------------------------
-
-namespace
-{
-
-// this array contains, in packed form, the "in use" flags for the entire
-// auto-generated ids range: N-th element of the array contains the flags for
-// ids in [wxID_AUTO_LOWEST + 8*N, wxID_AUTO_LOWEST + 8*N + 7] range
-//
-// initially no ids are in use and we allocate them consecutively, but after we
-// exhaust the entire range, we wrap around and reuse the ids freed in the
-// meanwhile
-wxByte gs_autoIdsInUse[(wxID_AUTO_HIGHEST - wxID_AUTO_LOWEST + 1)/8 + 1] = { 0 };
-
-// this is an optimization used until we wrap around wxID_AUTO_HIGHEST: if this
-// value is < wxID_AUTO_HIGHEST we know that we haven't wrapped yet and so can
-// allocate the ids simply by incrementing it
-static wxWindowID gs_nextControlId = wxID_AUTO_LOWEST;
-
-void MarkAutoIdUsed(wxWindowID id)
-{
-    id -= wxID_AUTO_LOWEST;
-
-    const int theByte = id / 8;
-    const int theBit = id % 8;
-
-    gs_autoIdsInUse[theByte] |= 1 << theBit;
-}
-
-void FreeAutoId(wxWindowID id)
-{
-    id -= wxID_AUTO_LOWEST;
-
-    const int theByte = id / 8;
-    const int theBit = id % 8;
-
-    gs_autoIdsInUse[theByte] &= ~(1 << theBit);
-}

 
 

-bool IsAutoIdInUse(wxWindowID id)
-{
-    id -= wxID_AUTO_LOWEST;
-
-    const int theByte = id / 8;
-    const int theBit = id % 8;
-
-    return (gs_autoIdsInUse[theByte] & (1 << theBit)) != 0;
-}
-
-} // anonymous namespace
-
-
-/* static */
-bool wxWindowBase::IsAutoGeneratedId(wxWindowID id)
-{
-    if ( id < wxID_AUTO_LOWEST || id > wxID_AUTO_HIGHEST )
-        return false;
-
-    // we shouldn't have any stray ids in this range
-    wxASSERT_MSG( IsAutoIdInUse(id), "unused automatically generated id?" );
-
-    return true;
-}
-
-wxWindowID wxWindowBase::NewControlId(int count)
-{
-    wxASSERT_MSG( count > 0, "can't allocate less than 1 id" );
-
-    if ( gs_nextControlId + count - 1 <= wxID_AUTO_HIGHEST )
-    {
-        // we haven't wrapped yet, so we can just grab the next count ids
-        wxWindowID id = gs_nextControlId;
-
-        while ( count-- )
-            MarkAutoIdUsed(gs_nextControlId++);
-
-        return id;
-    }
-    else // we've already wrapped or are now going to
-    {
-        // brute-force search for the id values
-
-        // number of consecutive free ids found so far
-        int found = 0;
-
-        for ( wxWindowID id = wxID_AUTO_LOWEST; id <= wxID_AUTO_HIGHEST; id++ )
-        {
-            if ( !IsAutoIdInUse(id) )
-            {
-                // found another consecutive available id
-                found++;
-                if ( found == count )
-                {
-                    // mark all count consecutive free ids we found as being in
-                    // use now and rewind back to the start of available range
-                    // in the process
-                    while ( count-- )
-                        MarkAutoIdUsed(id--);
-
-                    return id;
-                }
-            }
-            else // this id is in use
-            {
-                // reset the number of consecutive free values found
-                found = 0;
-            }
-        }
-    }
-
-    // if we get here, there are not enough consecutive free ids
-    return wxID_NONE;
-}
-
-void wxWindowBase::ReleaseControlId(wxWindowID id)
-{
-    wxCHECK_RET( IsAutoGeneratedId(id), "can't release non auto-generated id" );
-
-    FreeAutoId(id);
-}