Old API deprecated. Source cleaning.

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

diff --git a/src/msw/choice.cpp b/src/msw/choice.cpp
index 7faa959c51f06e78cbb7a15aff3729407ef048ab..95632e70576aa67eb8efd093428e8a29e8665514 100644 (file)
--- a/src/msw/choice.cpp
+++ b/src/msw/choice.cpp
@@ -28,7 +28,7 @@
     #pragma hdrstop
 #endif
 
-#if wxUSE_CHOICE && !defined(__SMARTPHONE__)
+#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
 }
 
@@ -489,8 +505,24 @@ void wxChoice::DoSetSize(int x, int y,
         height += hItem*(nItems + 1);
     }
 
+    // To work around a Windows bug (see "Bug in Windows Combobox" thread in Google Groups)
+    // we have to reset the selection if it was accidentally selected in the size.
+    DWORD oldSelStart = 0;
+    DWORD oldSelEnd = 0;
+    DWORD newSelStart = 0;
+    DWORD newSelEnd = 0;
+
+    ::SendMessage(GetHwnd(), CB_GETEDITSEL, (WPARAM) & oldSelStart, (LPARAM) & oldSelEnd);
+
     wxControl::DoSetSize(x, y, width, height, sizeFlags);
 
+    ::SendMessage(GetHwnd(), CB_GETEDITSEL, (WPARAM) & newSelStart, (LPARAM) & newSelEnd);
+
+    if (oldSelStart != newSelStart || oldSelEnd != newSelEnd)
+    {
+        ::SendMessage(GetHwnd(), CB_SETEDITSEL, (WPARAM) 0, (LPARAM) MAKELPARAM(oldSelStart, oldSelEnd));
+    }
+
     // I'm commenting this out since the code appears to make choices
     // and comboxes too high when they have associated sizers. I'm sure this
     // is not the end of the story, which is why I'm leaving it #if'ed out for
@@ -539,18 +571,38 @@ 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 +633,13 @@ 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())
-        colBack = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
-
-    ::SetBkColor(hdc, wxColourToRGB(colBack));
-    ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
+    if ( !IsEnabled() )
+        return MSWControlColorDisabled(hDC);
 
-    wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID);
-
-    return (WXHBRUSH)brush->GetResourceHandle();
+    return wxChoiceBase::MSWControlColorSolid(hDC);
 }
 
-#endif // wxUSE_CHOICE && !__SMARTPHONE__
+#endif // wxUSE_CHOICE && !(__SMARTPHONE__ && __WXWINCE__)
+