X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/22a35096a0a9c3fe4d3d32b8d68a361126ef9677..be38a31d378be07b10c97786074e8f813ddf6fcb:/src/msw/combo.cpp

diff --git a/src/msw/combo.cpp b/src/msw/combo.cpp
index 3c28925719..e784c4a1cd 100644
--- a/src/msw/combo.cpp
+++ b/src/msw/combo.cpp
@@ -31,13 +31,13 @@
     #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
@@ -70,6 +70,12 @@
 #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()
 
 
@@ -388,7 +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;
@@ -489,11 +496,10 @@ void wxComboCtrl::OnPaintEvent( wxPaintEvent& WXUNUSED(event) )
 
 void wxComboCtrl::OnMouseEvent( wxMouseEvent& event )
 {
-    bool isOnButtonArea = m_btnArea.Contains(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;
 
@@ -507,8 +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;
         }
@@ -527,6 +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() )