Fixed a long-standing issue where wxSlider controls with a hardcoded size would mispl...

[wxWidgets.git] / src / msw / choice.cpp

diff --git a/src/msw/choice.cpp b/src/msw/choice.cpp
index 893d0ad9a2fa3ca6eeae2f31d8904e94a499d002..b7feab4c5bc490b52e47349a177a2a6abfbf6aac 100644 (file)
--- a/src/msw/choice.cpp
+++ b/src/msw/choice.cpp
@@ -28,7 +28,7 @@
     #pragma hdrstop
 #endif
 
-#if wxUSE_CHOICE
+#if wxUSE_CHOICE && !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
 
 #ifndef WX_PRECOMP
     #include "wx/choice.h"
@@ -333,10 +333,26 @@ int wxChoice::FindString(const wxString& s) const
 
     return wxNOT_FOUND;
 #else // !Watcom
-    int pos = (int)SendMessage(GetHwnd(), CB_FINDSTRINGEXACT,
-                               (WPARAM)-1, (LPARAM)s.c_str());
-
-    return pos == LB_ERR ? wxNOT_FOUND : pos;
+   //TODO:  Evidently some MSW versions (all?) don't like empty strings
+   //passed to SendMessage, so we have to do it ourselves in that case
+   if ( s.size() == 0 )
+   {
+     int count = GetCount();
+     for ( int i = 0; i < count; i++ )
+     {
+       if ( GetString(i).size() == 0 )
+           return i;
+     }
+
+     return wxNOT_FOUND;
+   }
+   else
+   {
+     int pos = (int)SendMessage(GetHwnd(), CB_FINDSTRINGEXACT,
+                                (WPARAM)-1, (LPARAM)s.c_str());
+ 
+     return pos == LB_ERR ? wxNOT_FOUND : pos;
+   }
 #endif // Watcom/!Watcom
 }
 
@@ -488,6 +504,23 @@ void wxChoice::DoSetSize(int x, int y,
         const int hItem = SendMessage(GetHwnd(), CB_GETITEMHEIGHT, 0, 0);
         height += hItem*(nItems + 1);
     }
+    else
+    {
+        // We cannot pass wxDefaultCoord as height to wxControl. wxControl uses
+        // wxGetWindowRect() to determine the current height of the combobox, 
+        // and then again sets the combobox's height to that value. Unfortunately, 
+        // wxGetWindowRect doesn't include the dropdown list's height (at least 
+        // on Win2K), so this would result in a combobox with dropdown height of 
+        // 1 pixel. We have to determine the default height ourselves and call
+        // wxControl with that value instead.
+        int w, h;
+        RECT r;
+        DoGetSize(&w, &h);
+        if (::SendMessage(GetHwnd(), CB_GETDROPPEDCONTROLRECT, 0, (LPARAM) &r) != 0)
+        {
+            height = h + r.bottom - r.top;       
+        }
+    }
 
     wxControl::DoSetSize(x, y, width, height, sizeFlags);
 
@@ -539,18 +572,38 @@ wxSize wxChoice::DoGetBestSize() const
 
 WXLRESULT wxChoice::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 {
-    if ( nMsg == WM_LBUTTONUP )
+    switch ( nMsg )
     {
-        int x = (int)LOWORD(lParam);
-        int y = (int)HIWORD(lParam);
-
-        // Ok, this is truly weird, but if a panel with a wxChoice loses the
-        // focus, then you get a *fake* WM_LBUTTONUP message with x = 65535 and
-        // y = 65535. Filter out this nonsense.
-        //
-        // VZ: I'd like to know how to reproduce this please...
-        if ( x == 65535 && y == 65535 )
-            return 0;
+        case WM_LBUTTONUP:
+            {
+                int x = (int)LOWORD(lParam);
+                int y = (int)HIWORD(lParam);
+
+                // Ok, this is truly weird, but if a panel with a wxChoice
+                // loses the focus, then you get a *fake* WM_LBUTTONUP message
+                // with x = 65535 and y = 65535. Filter out this nonsense.
+                //
+                // VZ: I'd like to know how to reproduce this please...
+                if ( x == 65535 && y == 65535 )
+                    return 0;
+            }
+            break;
+
+            // we have to handle both: one for the normal case and the other
+            // for readonly
+        case WM_CTLCOLOREDIT:
+        case WM_CTLCOLORLISTBOX:
+        case WM_CTLCOLORSTATIC:
+            {
+                WXHDC hdc;
+                WXHWND hwnd;
+                UnpackCtlColor(wParam, lParam, &hdc, &hwnd);
+
+                WXHBRUSH hbr = MSWControlColor((WXHDC)hdc);
+                if ( hbr )
+                    return (WXLRESULT)hbr;
+                //else: fall through to default window proc
+            }
     }
 
     return wxWindow::MSWWindowProc(nMsg, wParam, lParam);
@@ -581,24 +634,13 @@ bool wxChoice::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
     return true;
 }
 
-WXHBRUSH wxChoice::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
-                               WXUINT WXUNUSED(message),
-                               WXWPARAM WXUNUSED(wParam),
-                               WXLPARAM WXUNUSED(lParam)
-     )
+WXHBRUSH wxChoice::MSWControlColor(WXHDC hDC)
 {
-    HDC hdc = (HDC)pDC;
-    wxColour colBack = GetBackgroundColour();
+    if ( !IsEnabled() )
+        return MSWControlColorDisabled(hDC);
 
-    if (!IsEnabled())
-        colBack = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
-
-    ::SetBkColor(hdc, wxColourToRGB(colBack));
-    ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
-
-    wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID);
-
-    return (WXHBRUSH)brush->GetResourceHandle();
+    return wxChoiceBase::MSWControlColorSolid(hDC);
 }
 
-#endif // wxUSE_CHOICE
+#endif // wxUSE_CHOICE && !(__SMARTPHONE__ && __WXWINCE__)
+