]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/combo.cpp
wxCoordRound() -> wxRound()
[wxWidgets.git] / src / msw / combo.cpp
index 401dc1033d282bd915cdca92743062afe770dfbe..e784c4a1cd87e77625bfd49d508dcc016a7627de 100644 (file)
     #include "wx/dcclient.h"
     #include "wx/settings.h"
     #include "wx/dialog.h"
+    #include "wx/stopwatch.h"
 #endif
 
 #include "wx/dcbuffer.h"
-
 #include "wx/combo.h"
 
-
+#include "wx/msw/registry.h"
 #include "wx/msw/uxtheme.h"
 
 // Change to #if 1 to include tmschema.h for easier testing of theme
 #define TEXTCTRLXADJUST_CLASSIC     1
 #define TEXTCTRLYADJUST_CLASSIC     2
 
+#define COMBOBOX_ANIMATION_RESOLUTION   10
+
+#define COMBOBOX_ANIMATION_DURATION     200  // In milliseconds
+
+#define wxMSW_DESKTOP_USERPREFERENCESMASK_COMBOBOXANIM    (1<<26)
+
 
 // ============================================================================
 // implementation
@@ -79,6 +85,7 @@
 BEGIN_EVENT_TABLE(wxComboCtrl, wxComboCtrlBase)
     EVT_PAINT(wxComboCtrl::OnPaintEvent)
     EVT_MOUSE_EVENTS(wxComboCtrl::OnMouseEvent)
+    EVT_TIMER(wxID_ANY, wxComboCtrl::OnTimerEvent)
 END_EVENT_TABLE()
 
 
@@ -135,7 +142,7 @@ bool wxComboCtrl::Create(wxWindow *parent,
     CreateTextCtrl( wxNO_BORDER, validator );
 
     // Add keyboard input handlers for main control and textctrl
-    InstallInputHandlers( true );
+    InstallInputHandlers();
 
     // Prepare background for double-buffering
     SetBackgroundStyle( wxBG_STYLE_CUSTOM );
@@ -239,7 +246,7 @@ static void wxMSWDrawFocusRect( wxDC& dc, const wxRect& rect )
 }
 
 // draw focus background on area in a way typical on platform
-void wxComboCtrl::DrawFocusBackground( wxDC& dc, const wxRect& rect, int flags ) const
+void wxComboCtrl::PrepareBackground( wxDC& dc, const wxRect& rect, int flags ) const
 {
     wxUxThemeEngine* theme = (wxUxThemeEngine*) NULL;
 
@@ -376,6 +383,11 @@ void wxComboCtrl::DrawFocusBackground( wxDC& dc, const wxRect& rect, int flags )
     if ( drawDottedEdge )
         wxMSWDrawFocusRect(dc,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-1,rect.height);
+    dc.SetClippingRegion(clipRect);
 }
 
 void wxComboCtrl::OnPaintEvent( wxPaintEvent& WXUNUSED(event) )
@@ -383,7 +395,7 @@ void wxComboCtrl::OnPaintEvent( wxPaintEvent& WXUNUSED(event) )
     // TODO: Convert drawing in this function to Windows API Code
 
     wxSize sz = GetClientSize();
-    wxBufferedPaintDC dc(this,GetBufferBitmap(sz));
+    wxAutoBufferedPaintDC dc(this);
 
     const wxRect& rectb = m_btnArea;
     wxRect rect = m_tcArea;
@@ -484,11 +496,10 @@ void wxComboCtrl::OnPaintEvent( wxPaintEvent& WXUNUSED(event) )
 
 void wxComboCtrl::OnMouseEvent( wxMouseEvent& event )
 {
-    bool isOnButtonArea = m_btnArea.Inside(event.m_x,event.m_y);
+    int mx = event.m_x;
+    bool isOnButtonArea = m_btnArea.Contains(mx,event.m_y);
     int handlerFlags = isOnButtonArea ? wxCC_MF_ON_BUTTON : 0;
 
-    // Preprocessing fabricates double-clicks and prevents
-    // (it may also do other common things in future)
     if ( PreprocessMouseEvent(event,isOnButtonArea) )
         return;
 
@@ -502,8 +513,11 @@ void wxComboCtrl::OnMouseEvent( wxMouseEvent& event )
     }
     else
     {
-        if ( isOnButtonArea || HasCapture() )
+        if ( isOnButtonArea || HasCapture() ||
+             (m_widthCustomPaint && mx < (m_tcArea.x+m_widthCustomPaint)) )
         {
+            handlerFlags |= wxCC_MF_ON_CLICK_AREA;
+
             if ( HandleButtonMouseEvent(event,handlerFlags) )
                 return;
         }
@@ -522,6 +536,113 @@ void wxComboCtrl::OnMouseEvent( wxMouseEvent& event )
 
 }
 
+#if wxUSE_COMBOCTRL_POPUP_ANIMATION
+static wxUint32 GetUserPreferencesMask()
+{
+    static wxUint32 userPreferencesMask = 0;
+    static bool valueSet = false;
+
+    if ( valueSet )
+        return userPreferencesMask;
+
+    wxRegKey key(wxRegKey::HKCU, wxT("Control Panel\\Desktop"));
+    if( key.Open(wxRegKey::Read) )
+    {
+        wxMemoryBuffer buf;
+        if ( key.QueryValue(wxT("UserPreferencesMask"), buf) )
+        {
+            if ( buf.GetDataLen() >= 4 )
+            {
+                wxByte* p = (wxByte*) buf.GetData();
+                userPreferencesMask = p[3] + (p[2]<<8) + (p[1]<<16) + (p[0]<<24);
+            }
+        }
+    }
+
+    valueSet = true;
+
+    return userPreferencesMask;
+}
+#endif
+
+#if wxUSE_COMBOCTRL_POPUP_ANIMATION
+void wxComboCtrl::OnTimerEvent( wxTimerEvent& WXUNUSED(event) )
+{
+    bool stopTimer = false;
+
+    wxWindow* popup = GetPopupControl()->GetControl();
+
+    // Popup was hidden before it was fully shown?
+    if ( IsPopupWindowState(Hidden) )
+    {
+        stopTimer = true;
+    }
+    else
+    {
+        wxLongLong t = ::wxGetLocalTimeMillis();
+        const wxRect& rect = m_animRect;
+        wxWindow* win = GetPopupWindow();
+
+        int pos = (int) (t-m_animStart).GetLo();
+        if ( pos < COMBOBOX_ANIMATION_DURATION )
+        {
+            int height = rect.height;
+            //int h0 = rect.height;
+            int h = (((pos*256)/COMBOBOX_ANIMATION_DURATION)*height)/256;
+            int y = (height - h);
+            if ( y < 0 )
+                y = 0;
+
+            if ( m_animFlags & ShowAbove )
+            {
+                win->SetSize( rect.x, rect.y + height - h, rect.width, h );
+            }
+            else
+            {
+                popup->Move( 0, -y );
+                win->SetSize( rect.x, rect.y, rect.width, h );
+            }
+        }
+        else
+        {
+            stopTimer = true;
+        }
+    }
+
+    if ( stopTimer )
+    {
+        popup->Move( 0, 0 );
+        m_animTimer.Stop();
+        DoShowPopup( m_animRect, m_animFlags );
+    }
+}
+#endif
+
+#if wxUSE_COMBOCTRL_POPUP_ANIMATION
+bool wxComboCtrl::AnimateShow( const wxRect& rect, int flags )
+{
+    if ( GetUserPreferencesMask() & wxMSW_DESKTOP_USERPREFERENCESMASK_COMBOBOXANIM )
+    {
+        m_animStart = ::wxGetLocalTimeMillis();
+        m_animRect = rect;
+        m_animFlags = flags;
+
+        wxWindow* win = GetPopupWindow();
+        win->SetSize( rect.x, rect.y, rect.width, 0 );
+        win->Show();
+
+        m_animTimer.SetOwner( this, wxID_ANY );
+        m_animTimer.Start( COMBOBOX_ANIMATION_RESOLUTION, wxTIMER_CONTINUOUS );
+
+        OnTimerEvent(*((wxTimerEvent*)NULL));  // Event is never used, so we can give NULL
+
+        return false;
+    }
+
+    return true;
+}
+#endif
+
 wxCoord wxComboCtrl::GetNativeTextIndent() const
 {
     if ( wxUxThemeEngine::GetIfActive() )
@@ -529,5 +650,39 @@ wxCoord wxComboCtrl::GetNativeTextIndent() const
     return NATIVE_TEXT_INDENT_CLASSIC;
 }
 
+bool wxComboCtrl::IsKeyPopupToggle(const wxKeyEvent& event) const
+{
+    const bool isPopupShown = IsPopupShown();
+
+    switch ( event.GetKeyCode() )
+    {
+        case WXK_F4:
+            // F4 toggles the popup in the native comboboxes, so emulate them
+            if ( !event.AltDown() )
+                return true;
+            break;
+
+        case WXK_ESCAPE:
+            if ( isPopupShown )
+                return true;
+            break;
+
+        case WXK_DOWN:
+        case WXK_UP:
+            // On XP or with writable combo in Classic, arrows don't open the
+            // popup but Alt-arrow does
+            if ( event.AltDown() ||
+                    ( !isPopupShown &&
+                      HasFlag(wxCB_READONLY) &&
+                      !wxUxThemeEngine::GetIfActive()
+                    ) )
+            {
+                return true;
+            }
+            break;
+    }
+
+    return false;
+}
 
 #endif // wxUSE_COMBOCTRL