]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/combocmn.cpp
Minor cleanup.
[wxWidgets.git] / src / common / combocmn.cpp
index b9792d8df82ce6f08038eb2aac335ff184e0af75..cb1ae22dfcef36cb39aae20f0d898eba1e29e70e 100644 (file)
@@ -140,7 +140,7 @@ class wxComboFrameEventHandler : public wxEvtHandler
 {
 public:
     wxComboFrameEventHandler( wxComboCtrlBase* pCb );
-    ~wxComboFrameEventHandler();
+    virtual ~wxComboFrameEventHandler();
 
     void OnPopup();
 
@@ -191,7 +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 (
@@ -386,7 +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(),
@@ -427,8 +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
 {
@@ -439,7 +438,7 @@ public:
     {
         m_combo = combo;
     }
-    ~wxComboBoxExtraInputHandler() { }
+    virtual ~wxComboBoxExtraInputHandler() { }
     void OnKey(wxKeyEvent& event);
     void OnFocus(wxFocusEvent& event);
 
@@ -459,44 +458,16 @@ END_EVENT_TABLE()
 
 void wxComboBoxExtraInputHandler::OnKey(wxKeyEvent& event)
 {
-    int keycode = event.GetKeyCode();
+    // Let the wxComboCtrl event handler have a go first.
+    wxComboCtrlBase* combo = m_combo;
+    wxObject* prevObj = event.GetEventObject();
 
-    if ( keycode == WXK_TAB && !m_combo->IsPopupShown() )
-    {
-        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();
-
-        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 )
-            )
-        {
-            popupInterface->OnComboKeyEvent(event);
-        }
-        else
-            event.Skip();
-    }
+    event.SetId(((wxWindow*)prevObj)->GetId());
+    event.SetEventObject(prevObj);
 }
 
 void wxComboBoxExtraInputHandler::OnFocus(wxFocusEvent& event)
@@ -511,17 +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();
 }
@@ -541,7 +510,7 @@ public:
         m_combo = combo;
         m_beenInside = false;
     }
-    ~wxComboPopupExtraEventHandler() { }
+    virtual ~wxComboPopupExtraEventHandler() { }
 
     void OnMouseEvent( wxMouseEvent& event );
 
@@ -633,6 +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()
@@ -652,7 +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;
 
@@ -718,17 +687,13 @@ bool wxComboCtrlBase::Create(wxWindow *parent,
     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
@@ -774,13 +739,10 @@ wxComboCtrlBase::~wxComboCtrlBase()
 
     DestroyPopup();
 
-    RemoveEventHandler(m_extraEvtHandler);
-
     if ( m_text )
         m_text->RemoveEventHandler(m_textEvtHandler);
 
     delete m_textEvtHandler;
-    delete m_extraEvtHandler;
 }
 
 
@@ -1074,8 +1036,9 @@ 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 ) const
+#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;
@@ -1144,7 +1107,19 @@ 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 )
 {
@@ -1380,6 +1355,15 @@ bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event,
     wxLongLong t = ::wxGetLocalTimeMillis();
     int evtType = event.GetEventType();
 
+#if !USE_TRANSIENT_POPUP
+    if ( m_isPopupShown &&
+         ( evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_RIGHT_DOWN ) )
+    {
+        HidePopup();
+        return true;
+    }
+#endif
+
     //
     // Generate our own double-clicks
     // (to allow on-focus dc-event on double-clicks instead of triple-clicks)
@@ -1476,23 +1460,68 @@ 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();
+        // 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 ( 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))
@@ -1534,13 +1563,13 @@ void wxComboCtrlBase::CreatePopup()
 // Destroy popup window and the child control
 void wxComboCtrlBase::DestroyPopup()
 {
+    HidePopup();
+
     if ( m_popup )
         m_popup->RemoveEventHandler(m_popupExtraHandler);
 
     delete m_popupExtraHandler;
 
-    HidePopup();
-
     delete m_popupInterface;
 
     if ( m_winPopup )
@@ -1796,7 +1825,7 @@ 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.