]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/combocmn.cpp
no real changes, just replaced a long preprocessor expression occuring in 2 places...
[wxWidgets.git] / src / common / combocmn.cpp
index 44b92449d44fa28466d226247dc8df53a902d825..deeff9218ac13b883a8d89feb29cd64e39d184e6 100644 (file)
 
 #if wxUSE_COMBOCTRL
 
+#include "wx/combobox.h"
+
 #ifndef WX_PRECOMP
     #include "wx/log.h"
-    #include "wx/combobox.h"
     #include "wx/dcclient.h"
     #include "wx/settings.h"
     #include "wx/dialog.h"
@@ -52,7 +53,7 @@
 
 #define BMP_BUTTON_MARGIN                       4
 
-#define DEFAULT_POPUP_HEIGHT                    200
+#define DEFAULT_POPUP_HEIGHT                    400
 
 #define DEFAULT_TEXT_INDENT                     3
 
@@ -139,7 +140,7 @@ class wxComboFrameEventHandler : public wxEvtHandler
 {
 public:
     wxComboFrameEventHandler( wxComboCtrlBase* pCb );
-    ~wxComboFrameEventHandler();
+    virtual ~wxComboFrameEventHandler();
 
     void OnPopup();
 
@@ -190,7 +191,7 @@ void wxComboFrameEventHandler::OnIdle( wxIdleEvent& event )
 {
     wxWindow* winFocused = ::wxWindow::FindFocus();
 
-    wxWindow* popup = m_combo->GetPopupControl();
+    wxWindow* popup = m_combo->GetPopupControl()->GetControl();
     wxWindow* winpopup = m_combo->GetPopupWindow();
 
     if (
@@ -385,7 +386,7 @@ void wxComboPopup::DefaultPaintComboControl( wxComboCtrlBase* combo,
 {
     if ( combo->GetWindowStyle() & wxCB_READONLY ) // ie. no textctrl
     {
-        combo->DrawFocusBackground(dc,rect,0);
+        combo->PrepareBackground(dc,rect,0);
 
         dc.DrawText( combo->GetValue(),
                      rect.x + combo->GetTextIndent(),
@@ -426,8 +427,7 @@ void wxComboPopup::Dismiss()
 // ----------------------------------------------------------------------------
 
 //
-// This is pushed to the event handler queue of either combo box
-// or its textctrl (latter if not readonly combo).
+// This is pushed to the event handler queue of the child textctrl.
 //
 class wxComboBoxExtraInputHandler : public wxEvtHandler
 {
@@ -438,7 +438,7 @@ public:
     {
         m_combo = combo;
     }
-    ~wxComboBoxExtraInputHandler() { }
+    virtual ~wxComboBoxExtraInputHandler() { }
     void OnKey(wxKeyEvent& event);
     void OnFocus(wxFocusEvent& event);
 
@@ -458,56 +458,16 @@ END_EVENT_TABLE()
 
 void wxComboBoxExtraInputHandler::OnKey(wxKeyEvent& event)
 {
-    int keycode = event.GetKeyCode();
-
-    if ( keycode == WXK_TAB )
-    {
-        wxNavigationKeyEvent evt;
-        evt.SetFlags(wxNavigationKeyEvent::FromTab|
-                     (!event.ShiftDown()?wxNavigationKeyEvent::IsForward:
-                                         wxNavigationKeyEvent::IsBackward));
-        evt.SetEventObject(m_combo);
-        m_combo->GetParent()->GetEventHandler()->AddPendingEvent(evt);
-        return;
-    }
-
-    if ( m_combo->IsPopupShown() )
-    {
-        // pass it to the popped up control
-        m_combo->GetPopupControl()->GetControl()->AddPendingEvent(event);
-    }
-    else // no popup
-    {
-        int comboStyle = m_combo->GetWindowStyle();
-        wxComboPopup* popupInterface = m_combo->GetPopupControl();
+    // Let the wxComboCtrl event handler have a go first.
+    wxComboCtrlBase* combo = m_combo;
+    wxObject* prevObj = event.GetEventObject();
 
-        if ( !popupInterface )
-        {
-            event.Skip();
-            return;
-        }
+    event.SetId(combo->GetId());
+    event.SetEventObject(combo);
+    combo->GetEventHandler()->ProcessEvent(event);
 
-        if ( (comboStyle & wxCB_READONLY) ||
-             ( keycode != WXK_RIGHT && keycode != WXK_LEFT )
-            )
-        {
-            // Alternate keys: UP and DOWN show the popup instead of cycling
-            if ( (comboStyle & wxCC_ALT_KEYS) )
-            {
-                if ( keycode == WXK_UP || keycode == WXK_DOWN )
-                {
-                    m_combo->OnButtonClick();
-                    return;
-                }
-                else
-                    event.Skip();
-            }
-            else
-                popupInterface->OnComboKeyEvent(event);
-        }
-        else
-            event.Skip();
-    }
+    event.SetId(((wxWindow*)prevObj)->GetId());
+    event.SetEventObject(prevObj);
 }
 
 void wxComboBoxExtraInputHandler::OnFocus(wxFocusEvent& event)
@@ -522,17 +482,15 @@ void wxComboBoxExtraInputHandler::OnFocus(wxFocusEvent& event)
             m_combo->SetSelection(-1,-1);
     }
 
-    if ( event.GetId() != m_combo->GetId() )
-    {
-        // Add textctrl set focus events as combo set focus events
-        // NOTE: Simply changing the event and skipping didn't seem
-        // to do the trick.
-        wxFocusEvent evt2(wxEVT_SET_FOCUS,m_combo->GetId());
-        evt2.SetEventObject(m_combo);
-        m_combo->GetEventHandler()->ProcessEvent(evt2);
-    }
-    else
-        event.Skip();
+    // Send focus indication to parent.
+    // NB: This is needed for cases where the textctrl gets focus
+    //     instead of its parent. While this may trigger multiple
+    //     wxEVT_SET_FOCUSes (since m_text->SetFocus is called
+    //     from combo's focus event handler), they should be quite
+    //     harmless.
+    wxFocusEvent evt2(wxEVT_SET_FOCUS,m_combo->GetId());
+    evt2.SetEventObject(m_combo);
+    m_combo->GetEventHandler()->ProcessEvent(evt2);
 
     event.Skip();
 }
@@ -552,7 +510,7 @@ public:
         m_combo = combo;
         m_beenInside = false;
     }
-    ~wxComboPopupExtraEventHandler() { }
+    virtual ~wxComboPopupExtraEventHandler() { }
 
     void OnMouseEvent( wxMouseEvent& event );
 
@@ -644,6 +602,7 @@ BEGIN_EVENT_TABLE(wxComboCtrlBase, wxControl)
     EVT_SET_FOCUS(wxComboCtrlBase::OnFocusEvent)
     EVT_KILL_FOCUS(wxComboCtrlBase::OnFocusEvent)
     //EVT_BUTTON(wxID_ANY,wxComboCtrlBase::OnButtonClickEvent)
+    EVT_KEY_DOWN(wxComboCtrlBase::OnKeyEvent)
     EVT_TEXT_ENTER(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
     EVT_SYS_COLOUR_CHANGED(wxComboCtrlBase::OnSysColourChanged)
 END_EVENT_TABLE()
@@ -663,7 +622,6 @@ void wxComboCtrlBase::Init()
     m_text = (wxTextCtrl*) NULL;
     m_popupInterface = (wxComboPopup*) NULL;
 
-    m_extraEvtHandler = (wxEvtHandler*) NULL;
     m_popupExtraHandler = (wxEvtHandler*) NULL;
     m_textEvtHandler = (wxEvtHandler*) NULL;
 
@@ -680,7 +638,8 @@ void wxComboCtrlBase::Init()
     m_btnState = 0;
     m_btnWidDefault = 0;
     m_blankButtonBg = false;
-    m_btnWid = m_btnHei = 0;
+    m_ignoreEvtText = 0;
+    m_btnWid = m_btnHei = -1;
     m_btnSide = wxRIGHT;
     m_btnSpacingX = 0;
 
@@ -688,7 +647,6 @@ void wxComboCtrlBase::Init()
     m_extRight = 0;
     m_absIndent = -1;
     m_iFlags = 0;
-    m_downReceived = false;
     m_timeCanAcceptClick = 0;
 }
 
@@ -716,40 +674,53 @@ bool wxComboCtrlBase::Create(wxWindow *parent,
     OnThemeChange();
     m_absIndent = GetNativeTextIndent();
 
+    m_iFlags |= wxCC_IFLAG_CREATED;
+
+    // If x and y indicate valid size, wxSizeEvent won't be
+    // emitted automatically, so we need to add artifical one.
+    if ( size.x > 0 && size.y > 0 )
+    {
+        wxSizeEvent evt(size,GetId());
+        GetEventHandler()->AddPendingEvent(evt);
+    }
+
     return true;
 }
 
-void wxComboCtrlBase::InstallInputHandlers( bool alsoTextCtrl )
+void wxComboCtrlBase::InstallInputHandlers()
 {
-    if ( m_text && alsoTextCtrl )
+    if ( m_text )
     {
         m_textEvtHandler = new wxComboBoxExtraInputHandler(this);
         m_text->PushEventHandler(m_textEvtHandler);
     }
-
-    wxComboBoxExtraInputHandler* inputHandler = new wxComboBoxExtraInputHandler(this);
-    PushEventHandler(inputHandler);
-    m_extraEvtHandler = inputHandler;
 }
 
-void wxComboCtrlBase::CreateTextCtrl( int extraStyle, const wxValidator& validator )
+void
+wxComboCtrlBase::CreateTextCtrl(int style, const wxValidator& validator)
 {
     if ( !(m_windowStyle & wxCB_READONLY) )
     {
-        m_text = new wxTextCtrl(this,
-                                wxID_ANY,
-                                m_valueString,
-                                wxDefaultPosition,
-                                wxDefaultSize,
-                                // wxTE_PROCESS_TAB is needed because on Windows, wxTAB_TRAVERSAL is
-                                // not used by the wxPropertyGrid and therefore the tab is
-                                // processed by looking at ancestors to see if they have
-                                // wxTAB_TRAVERSAL. The navigation event is then sent to
-                                // the wrong window.
-                                wxTE_PROCESS_TAB |
-                                wxTE_PROCESS_ENTER |
-                                extraStyle,
-                                validator);
+        // wxTE_PROCESS_TAB is needed because on Windows, wxTAB_TRAVERSAL is
+        // not used by the wxPropertyGrid and therefore the tab is processed by
+        // looking at ancestors to see if they have wxTAB_TRAVERSAL. The
+        // navigation event is then sent to the wrong window.
+        style |= wxTE_PROCESS_TAB;
+
+        if ( HasFlag(wxTE_PROCESS_ENTER) )
+            style |= wxTE_PROCESS_ENTER;
+
+        // Ignore EVT_TEXT generated by the constructor (but only
+        // if the event redirector already exists)
+        // NB: This must be " = 1" instead of "++";
+        if ( m_textEvtHandler )
+            m_ignoreEvtText = 1;
+        else
+            m_ignoreEvtText = 0;
+
+        m_text = new wxTextCtrl(this, wxID_ANY, m_valueString,
+                                wxDefaultPosition, wxDefaultSize,
+                                style, validator);
 
         // This is required for some platforms (GTK+ atleast)
         m_text->SetSizeHints(2,4);
@@ -774,23 +745,12 @@ wxComboCtrlBase::~wxComboCtrlBase()
     m_toplevEvtHandler = (wxEvtHandler*) NULL;
 #endif
 
-    if ( m_popup )
-        m_popup->RemoveEventHandler(m_popupExtraHandler);
-
-    delete m_popupExtraHandler;
-
-    HidePopup();
-
-    delete m_popupInterface;
-    delete m_winPopup;
-
-    RemoveEventHandler(m_extraEvtHandler);
+    DestroyPopup();
 
     if ( m_text )
         m_text->RemoveEventHandler(m_textEvtHandler);
 
     delete m_textEvtHandler;
-    delete m_extraEvtHandler;
 }
 
 
@@ -803,7 +763,6 @@ void wxComboCtrlBase::CalculateAreas( int btnWidth )
 {
     wxSize sz = GetClientSize();
     int customBorder = m_widthCustomBorder;
-    bool buttonOutside;
     int btnBorder; // border for button only
 
     // check if button should really be outside the border: we'll do it it if
@@ -812,15 +771,13 @@ void wxComboCtrlBase::CalculateAreas( int btnWidth )
     if ( ( (m_iFlags & wxCC_BUTTON_OUTSIDE_BORDER) ||
                 (m_bmpNormal.Ok() && m_blankButtonBg) ) &&
          m_btnSpacingX == 0 &&
-         m_btnHei == 0 )
+         m_btnHei <= 0 )
     {
-        buttonOutside = true;
         m_iFlags |= wxCC_IFLAG_BUTTON_OUTSIDE;
         btnBorder = 0;
     }
     else
     {
-        buttonOutside = false;
         m_iFlags &= ~(wxCC_IFLAG_BUTTON_OUTSIDE);
         btnBorder = customBorder;
     }
@@ -839,20 +796,32 @@ void wxComboCtrlBase::CalculateAreas( int btnWidth )
     if ( butWidth <= 0 )
         return;
 
+    int butHeight = sz.y - btnBorder*2;
+
     // Adjust button width
-    if ( m_btnWid < 0 )
-        butWidth += m_btnWid;
-    else if ( m_btnWid > 0 )
+    if ( m_btnWid > 0 )
         butWidth = m_btnWid;
+    else
+    {
+        // Adjust button width to match aspect ratio
+        // (but only if control is smaller than best size).
+        int bestHeight = GetBestSize().y;
+        int height = GetSize().y;
 
-    int butHeight = sz.y;
-
-    butHeight -= btnBorder*2;
+        if ( height < bestHeight )
+        {
+            // Make very small buttons square, as it makes
+            // them accommodate arrow image better and still
+            // looks decent.
+            if ( height > 18 )
+                butWidth = (height*butWidth)/bestHeight;
+            else
+                butWidth = butHeight;
+        }
+    }
 
     // Adjust button height
-    if ( m_btnHei < 0 )
-        butHeight += m_btnHei;
-    else if ( m_btnHei > 0 )
+    if ( m_btnHei > 0 )
         butHeight = m_btnHei;
 
     // Use size of normal bitmap if...
@@ -880,7 +849,7 @@ void wxComboCtrlBase::CalculateAreas( int btnWidth )
         if ( (sz.y-(customBorder*2)) < butHeight && btnWidth == 0 )
         {
             int newY = butHeight+(customBorder*2);
-            SetClientSize(-1,newY);
+            SetClientSize(wxDefaultCoord,newY);
             sz.y = newY;
         }
     }
@@ -998,14 +967,6 @@ wxSize wxComboCtrlBase::DoGetBestSize() const
     return ret;
 }
 
-void wxComboCtrlBase::DoMoveWindow(int x, int y, int width, int height)
-{
-    // SetSize is called last in create, so it marks the end of creation
-    m_iFlags |= wxCC_IFLAG_CREATED;
-
-    wxControl::DoMoveWindow(x, y, width, height);
-}
-
 void wxComboCtrlBase::OnSizeEvent( wxSizeEvent& event )
 {
     if ( !IsCreated() )
@@ -1083,8 +1044,9 @@ void wxComboCtrlBase::DoSetToolTip(wxToolTip *tooltip)
 // painting
 // ----------------------------------------------------------------------------
 
-// draw focus background on area in a way typical on platform
-void wxComboCtrlBase::DrawFocusBackground( wxDC& dc, const wxRect& rect, int flags )
+#if (!defined(__WXMSW__)) || defined(__WXUNIVERSAL__)
+// prepare combo box background on area in a way typical on platform
+void wxComboCtrlBase::PrepareBackground( wxDC& dc, const wxRect& rect, int flags ) const
 {
     wxSize sz = GetClientSize();
     bool isEnabled;
@@ -1118,8 +1080,14 @@ void wxComboCtrlBase::DrawFocusBackground( wxDC& dc, const wxRect& rect, int fla
     wxRect selRect(rect);
     selRect.y += focusSpacingY;
     selRect.height -= (focusSpacingY*2);
-    selRect.x += m_widthCustomPaint + focusSpacingX;
-    selRect.width -= m_widthCustomPaint + (focusSpacingX*2);
+
+    int wcp = 0;
+
+    if ( !(flags & wxCONTROL_ISSUBMENU) )
+        wcp += m_widthCustomPaint;
+
+    selRect.x += wcp + focusSpacingX;
+    selRect.width -= wcp + (focusSpacingX*2);
 
     wxColour bgCol;
 
@@ -1147,7 +1115,19 @@ void wxComboCtrlBase::DrawFocusBackground( wxDC& dc, const wxRect& rect, int fla
     dc.SetBrush( bgCol );
     dc.SetPen( bgCol );
     dc.DrawRectangle( selRect );
+
+    // Don't clip exactly to the selection rectangle so we can draw
+    // to the non-selected area in front of it.
+    wxRect clipRect(rect.x,rect.y,
+                    (selRect.x+selRect.width)-rect.x,rect.height);
+    dc.SetClippingRegion(clipRect);
 }
+#else
+// Save the library size a bit for platforms that re-implement this.
+void wxComboCtrlBase::PrepareBackground( wxDC&, const wxRect&, int ) const
+{
+}
+#endif
 
 void wxComboCtrlBase::DrawButton( wxDC& dc, const wxRect& rect, bool paintBg )
 {
@@ -1277,8 +1257,20 @@ wxBitmap& wxComboCtrlBase::GetBufferBitmap( const wxSize& sz ) const
 
 void wxComboCtrlBase::OnTextCtrlEvent(wxCommandEvent& event)
 {
-    // Change event id and relay it forward
+    if ( event.GetEventType() == wxEVT_COMMAND_TEXT_UPDATED )
+    {
+        if ( m_ignoreEvtText > 0 )
+        {
+            m_ignoreEvtText--;
+            return;
+        }
+    }
+
+    // Change event id, object and string before relaying it forward
     event.SetId(GetId());
+    wxString s = event.GetString();
+    event.SetEventObject(this);
+    event.SetString(s);
     event.Skip();
 }
 
@@ -1371,56 +1363,21 @@ bool wxComboCtrlBase::HandleButtonMouseEvent( wxMouseEvent& event,
     return true;
 }
 
-// Conversion to double-clicks and some basic filtering
 // returns true if event was consumed or filtered
-//bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event, bool isOnButtonArea )
 bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event,
-                                               int flags )
+                                            int WXUNUSED(flags) )
 {
     wxLongLong t = ::wxGetLocalTimeMillis();
     int evtType = event.GetEventType();
 
-    //
-    // Generate our own double-clicks
-    // (to allow on-focus dc-event on double-clicks instead of triple-clicks)
-    if ( (m_windowStyle & wxCC_SPECIAL_DCLICK) &&
-         !m_isPopupShown &&
-         //!(handlerFlags & wxCC_MF_ON_BUTTON) )
-         !(flags & wxCC_MF_ON_BUTTON) )
+#if !USE_TRANSIENT_POPUP
+    if ( m_isPopupShown &&
+         ( evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_RIGHT_DOWN ) )
     {
-        if ( evtType == wxEVT_LEFT_DOWN )
-        {
-            // Set value to avoid up-events without corresponding downs
-            m_downReceived = true;
-        }
-        else if ( evtType == wxEVT_LEFT_DCLICK )
-        {
-            // We'll make our own double-clicks
-            //evtType = 0;
-            event.SetEventType(0);
-            return true;
-        }
-        else if ( evtType == wxEVT_LEFT_UP )
-        {
-            if ( m_downReceived || m_timeLastMouseUp == 1 )
-            {
-                wxLongLong timeFromLastUp = (t-m_timeLastMouseUp);
-
-                if ( timeFromLastUp < DOUBLE_CLICK_CONVERSION_TRESHOLD )
-                {
-                    //type = wxEVT_LEFT_DCLICK;
-                    event.SetEventType(wxEVT_LEFT_DCLICK);
-                    m_timeLastMouseUp = 1;
-                }
-                else
-                {
-                    m_timeLastMouseUp = t;
-                }
-
-                //m_downReceived = false;
-            }
-        }
+        HidePopup();
+        return true;
     }
+#endif
 
     // Filter out clicks on button immediately after popup dismiss (Windows like behaviour)
     if ( evtType == wxEVT_LEFT_DOWN && t < m_timeCanAcceptClick )
@@ -1476,23 +1433,62 @@ void wxComboCtrlBase::HandleNormalMouseEvent( wxMouseEvent& event )
         event.Skip();
 }
 
-void wxComboCtrlBase::OnFocusEvent( wxFocusEvent& )
+void wxComboCtrlBase::OnKeyEvent(wxKeyEvent& event)
 {
-    // First click is the first part of double-click
-    // Some platforms don't generate down-less mouse up-event
-    // (Windows does, GTK+2 doesn't), so that's why we have
-    // to do this.
-    m_timeLastMouseUp = ::wxGetLocalTimeMillis();
+    if ( IsPopupShown() )
+    {
+        // pass it to the popped up control
+        GetPopupControl()->GetControl()->AddPendingEvent(event);
+    }
+    else // no popup
+    {
+        int keycode = event.GetKeyCode();
 
-    if ( m_text )
+        if ( keycode == WXK_TAB )
+        {
+            wxNavigationKeyEvent evt;
+            evt.SetFlags(wxNavigationKeyEvent::FromTab|
+                         (!event.ShiftDown() ? wxNavigationKeyEvent::IsForward
+                                             : wxNavigationKeyEvent::IsBackward));
+            evt.SetEventObject(this);
+            GetParent()->GetEventHandler()->AddPendingEvent(evt);
+            return;
+        }
+
+        if ( IsKeyPopupToggle(event) )
+        {
+            OnButtonClick();
+            return;
+        }
+
+        int comboStyle = GetWindowStyle();
+        wxComboPopup* popupInterface = GetPopupControl();
+
+        if ( !popupInterface )
+        {
+            event.Skip();
+            return;
+        }
+
+        if ( (comboStyle & wxCB_READONLY) ||
+             (keycode != WXK_RIGHT && keycode != WXK_LEFT) )
+        {
+            popupInterface->OnComboKeyEvent(event);
+        }
+        else
+            event.Skip();
+    }
+}
+
+void wxComboCtrlBase::OnFocusEvent( wxFocusEvent& event )
+{
+    if ( event.GetEventType() == wxEVT_SET_FOCUS )
     {
-        m_text->SetFocus();
+        if ( m_text && m_text != ::wxWindow::FindFocus() )
+            m_text->SetFocus();
     }
-    else
-        // no need to check for m_widthCustomPaint - that
-        // area never gets special handling when selected
-        // (in writable mode, that is)
-        Refresh();
+
+    Refresh();
 }
 
 void wxComboCtrlBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
@@ -1531,19 +1527,39 @@ void wxComboCtrlBase::CreatePopup()
     popupInterface->m_iFlags |= wxCP_IFLAG_CREATED;
 }
 
-void wxComboCtrlBase::SetPopupControl( wxComboPopup* iface )
+// Destroy popup window and the child control
+void wxComboCtrlBase::DestroyPopup()
 {
-    wxCHECK_RET( iface, wxT("no popup interface set for wxComboCtrl") );
+    HidePopup();
+
+    if ( m_popup )
+        m_popup->RemoveEventHandler(m_popupExtraHandler);
+
+    delete m_popupExtraHandler;
 
     delete m_popupInterface;
-    delete m_winPopup;
+
+    if ( m_winPopup )
+        m_winPopup->Destroy();
+
+    m_popupExtraHandler = (wxEvtHandler*) NULL;
+    m_popupInterface = (wxComboPopup*) NULL;
+    m_winPopup = (wxWindow*) NULL;
+    m_popup = (wxWindow*) NULL;
+}
+
+void wxComboCtrlBase::DoSetPopupControl(wxComboPopup* iface)
+{
+    wxCHECK_RET( iface, wxT("no popup interface set for wxComboCtrl") );
+
+    DestroyPopup();
 
     iface->InitBase(this);
     iface->Init();
 
     m_popupInterface = iface;
 
-    if ( !iface->LazyCreate() || m_winPopup )
+    if ( !iface->LazyCreate() )
     {
         CreatePopup();
     }
@@ -1653,15 +1669,45 @@ void wxComboCtrlBase::ShowPopup()
     int popupX;
     int popupY = scrPos.y + ctrlSz.y;
 
+    // Default anchor is wxLEFT
     int anchorSide = m_anchorSide;
     if ( !anchorSide )
-        anchorSide = m_btnSide;
+        anchorSide = wxLEFT;
+
+    int rightX = scrPos.x + ctrlSz.x + m_extRight - szp.x;
+    int leftX = scrPos.x - m_extLeft;
+    int screenWidth = wxSystemSettings::GetMetric( wxSYS_SCREEN_X );
 
-    // Anchor popup to the side the dropbutton is on
+    // If there is not enough horizontal space, anchor on the other side.
+    // If there is no space even then, place the popup at x 0.
     if ( anchorSide == wxRIGHT )
-        popupX = scrPos.x + ctrlSz.x + m_extRight- szp.x;
+    {
+        if ( rightX < 0 )
+        {
+            if ( (leftX+szp.x) < screenWidth )
+                anchorSide = wxLEFT;
+            else
+                anchorSide = 0;
+        }
+    }
     else
-        popupX = scrPos.x - m_extLeft;
+    {
+        if ( (leftX+szp.x) >= screenWidth )
+        {
+            if ( rightX >= 0 )
+                anchorSide = wxRIGHT;
+            else
+                anchorSide = 0;
+        }
+    }
+
+    // Select x coordinate according to the anchor side
+    if ( anchorSide == wxRIGHT )
+        popupX = rightX;
+    else if ( anchorSide == wxLEFT )
+        popupX = leftX;
+    else
+        popupX = 0;
 
     if ( spaceBelow < szp.y )
     {
@@ -1746,7 +1792,7 @@ void wxComboCtrlBase::OnPopupDismiss()
 
     // If cursor not on dropdown button, then clear its state
     // (technically not required by all ports, but do it for all just in case)
-    if ( !m_btnArea.Inside(ScreenToClient(::wxGetMousePosition())) )
+    if ( !m_btnArea.Contains(ScreenToClient(::wxGetMousePosition())) )
         m_btnState = 0;
 
     // Return parent's tab traversal flag.
@@ -1791,7 +1837,7 @@ void wxComboCtrlBase::HidePopup()
 // ----------------------------------------------------------------------------
 
 void wxComboCtrlBase::SetButtonPosition( int width, int height,
-                                            int side, int spacingX )
+                                         int side, int spacingX )
 {
     m_btnWid = width;
     m_btnHei = height;
@@ -1801,6 +1847,25 @@ void wxComboCtrlBase::SetButtonPosition( int width, int height,
     RecalcAndRefresh();
 }
 
+wxSize wxComboCtrlBase::GetButtonSize()
+{
+    if ( m_btnSize.x > 0 )
+        return m_btnSize;
+
+    wxSize retSize(m_btnWid,m_btnHei);
+
+    // Need to call CalculateAreas now if button size is
+    // is not explicitly specified.
+    if ( retSize.x <= 0 || retSize.y <= 0)
+    {
+        OnResize();
+
+        retSize = m_btnSize;
+    }
+
+    return retSize;
+}
+
 void wxComboCtrlBase::SetButtonBitmaps( const wxBitmap& bmpNormal,
                                            bool blankButtonBg,
                                            const wxBitmap& bmpPressed,
@@ -1877,10 +1942,13 @@ wxString wxComboCtrlBase::GetValue() const
     return m_valueString;
 }
 
-void wxComboCtrlBase::SetValue(const wxString& value)
+void wxComboCtrlBase::SetValueWithEvent(const wxString& value, bool withEvent)
 {
     if ( m_text )
     {
+        if ( !withEvent )
+            m_ignoreEvtText++;
+
         m_text->SetValue(value);
         if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
             m_text->SelectAll();
@@ -1898,6 +1966,11 @@ void wxComboCtrlBase::SetValue(const wxString& value)
     }
 }
 
+void wxComboCtrlBase::SetValue(const wxString& value)
+{
+    SetValueWithEvent(value, false);
+}
+
 // In this SetValue variant wxComboPopup::SetStringValue is not called
 void wxComboCtrlBase::SetText(const wxString& value)
 {
@@ -1907,6 +1980,12 @@ void wxComboCtrlBase::SetText(const wxString& value)
 
     m_valueString = value;
 
+    if ( m_text )
+    {
+        m_ignoreEvtText++;
+        m_text->SetValue( value );
+    }
+
     Refresh();
 }