X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/cc61d2eb40205fa64e7b8c647fd1fbd2be8b6a15..85ac8ca017a0409e9762ed305ccc1d32a7c28fa7:/src/msw/choice.cpp

diff --git a/src/msw/choice.cpp b/src/msw/choice.cpp
index 0afb34b36d..e75bef72bd 100644
--- a/src/msw/choice.cpp
+++ b/src/msw/choice.cpp
@@ -52,7 +52,7 @@ wxBEGIN_FLAGS( wxChoiceStyle )
     wxFLAGS_MEMBER(wxBORDER_RAISED)
     wxFLAGS_MEMBER(wxBORDER_STATIC)
     wxFLAGS_MEMBER(wxBORDER_NONE)
-    
+
     // old style border flags
     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
@@ -76,26 +76,26 @@ wxEND_FLAGS( wxChoiceStyle )
 IMPLEMENT_DYNAMIC_CLASS_XTI(wxChoice, wxControl,"wx/choice.h")
 
 wxBEGIN_PROPERTIES_TABLE(wxChoice)
-	wxEVENT_PROPERTY( Select , wxEVT_COMMAND_CHOICE_SELECTED , wxCommandEvent )
+    wxEVENT_PROPERTY( Select , wxEVT_COMMAND_CHOICE_SELECTED , wxCommandEvent )
 
-    wxPROPERTY( Font , wxFont , SetFont , GetFont  , , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY( Font , wxFont , SetFont , GetFont  , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
     wxPROPERTY_COLLECTION( Choices , wxArrayString , wxString , AppendString , GetStrings , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-	wxPROPERTY( Selection ,int, SetSelection, GetSelection, , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-    wxPROPERTY_FLAGS( WindowStyle , wxChoiceStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+    wxPROPERTY( Selection ,int, SetSelection, GetSelection, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY_FLAGS( WindowStyle , wxChoiceStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
 wxEND_PROPERTIES_TABLE()
 
 wxBEGIN_HANDLERS_TABLE(wxChoice)
 wxEND_HANDLERS_TABLE()
 
-wxCONSTRUCTOR_4( wxChoice , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size ) 
+wxCONSTRUCTOR_4( wxChoice , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size )
 #else
 IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
 #endif
 /*
-	TODO PROPERTIES
-		selection (long)
-		content (list)
-			item
+    TODO PROPERTIES
+        selection (long)
+        content (list)
+            item
 */
 
 // ============================================================================
@@ -130,36 +130,12 @@ bool wxChoice::Create(wxWindow *parent,
 bool wxChoice::CreateAndInit(wxWindow *parent,
                              wxWindowID id,
                              const wxPoint& pos,
-                             const wxSize& sizeOrig,
+                             const wxSize& size,
                              int n, const wxString choices[],
                              long style,
                              const wxValidator& validator,
                              const wxString& name)
 {
-    // this is a bit hackish but we want to prevent MSWCreateControl() from
-    // calling SetBestSize() (which it would do if any of the size components
-    // is not given) because it wouldn't calculate it correctly if we have any
-    // strings as they're not yet added to the control when it is called
-    //
-    // so: if we have any strings, we fudge the size parameter so that
-    // SetBestSize() is not called by MSWCreateControl() but then we do call it
-    // manually below
-    bool autoSize = false;
-    wxSize size = sizeOrig;
-    if ( n )
-    {
-        if ( size.x < 0 )
-        {
-            size.x = 1;
-            autoSize = true;
-        }
-        if ( size.y < 0 )
-        {
-            size.y = 1;
-            autoSize = true;
-        }
-    }
-
     // initialize wxControl
     if ( !CreateControl(parent, id, pos, size, style, validator, name) )
         return FALSE;
@@ -180,10 +156,7 @@ bool wxChoice::CreateAndInit(wxWindow *parent,
     }
 
     // and now we may finally size the control properly (if needed)
-    if ( autoSize )
-    {
-        SetBestSize(sizeOrig);
-    }
+    SetBestSize(size);
 
     return TRUE;
 }
@@ -202,6 +175,22 @@ bool wxChoice::Create(wxWindow *parent,
                   style, validator, name);
 }
 
+bool wxChoice::MSWShouldPreProcessMessage(WXMSG *pMsg)
+{
+    MSG *msg = (MSG *) pMsg;
+
+    // don't preprocess "ESC" if combobox is dropped down
+    if ( msg->message == WM_KEYDOWN && msg->wParam == VK_ESCAPE )
+    {
+        if (::SendMessage(GetHwndOf(this), CB_GETDROPPEDSTATE, 0, 0))
+        {
+            return false;
+        }
+    }
+
+    return wxControl::MSWShouldPreProcessMessage(pMsg);
+}
+
 WXDWORD wxChoice::MSWGetStyle(long style, WXDWORD *exstyle) const
 {
     // we never have an external border
@@ -233,7 +222,7 @@ wxChoice::~wxChoice()
 
 int wxChoice::DoAppend(const wxString& item)
 {
-    int n = (int)SendMessage(GetHwnd(), CB_ADDSTRING, 0, (LONG)item.c_str());
+    int n = (int)SendMessage(GetHwnd(), CB_ADDSTRING, 0, (LPARAM)item.c_str());
     if ( n == CB_ERR )
     {
         wxLogLastError(wxT("SendMessage(CB_ADDSTRING)"));
@@ -253,7 +242,7 @@ int wxChoice::DoInsert(const wxString& item, int pos)
     wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list"));
     wxCHECK_MSG((pos>=0) && (pos<=GetCount()), -1, wxT("invalid index"));
 
-    int n = (int)SendMessage(GetHwnd(), CB_INSERTSTRING, pos, (LONG)item.c_str());
+    int n = (int)SendMessage(GetHwnd(), CB_INSERTSTRING, pos, (LPARAM)item.c_str());
     if ( n == CB_ERR )
     {
         wxLogLastError(wxT("SendMessage(CB_INSERTSTRING)"));
@@ -438,15 +427,10 @@ wxClientData* wxChoice::DoGetItemClientObject( int n ) const
 // wxMSW specific helpers
 // ----------------------------------------------------------------------------
 
-int wxChoice::GetVisibleHeight() const
-{
-    return ::SendMessage(GetHwnd(), CB_GETITEMHEIGHT, (WPARAM)-1, 0);
-}
-
 void wxChoice::UpdateVisibleHeight()
 {
     // be careful to not change the width here
-    DoSetSize(-1, -1, -1, GetVisibleHeight(), wxSIZE_USE_EXISTING);
+    DoSetSize(-1, -1, -1, GetSize().y, wxSIZE_USE_EXISTING);
 }
 
 void wxChoice::DoMoveWindow(int x, int y, int width, int height)
@@ -469,13 +453,11 @@ void wxChoice::DoMoveWindow(int x, int y, int width, int height)
 
 void wxChoice::DoGetSize(int *w, int *h) const
 {
+    // this is weird: sometimes, the height returned by Windows is clearly the
+    // total height of the control including the drop down list -- but only
+    // sometimes, and normally it isn't... I have no idea about what to do with
+    // this
     wxControl::DoGetSize(w, h);
-
-    // we need to return only the height of the visible part, not the entire
-    // height in the Windows sense which includes the height of the drop down
-    // list as well
-    if ( h )
-        *h = GetVisibleHeight();
 }
 
 void wxChoice::DoSetSize(int x, int y,
@@ -509,10 +491,11 @@ void wxChoice::DoSetSize(int x, int y,
     // as it is not affected by normal WM_SETSIZE
     if ( height != -1 )
     {
-        const int hVisibleCurrent = GetVisibleHeight();
-        if ( hVisibleCurrent != heightOrig )
+        const int delta = heightOrig - GetSize().y;
+        if ( delta )
         {
-            SendMessage(GetHwnd(), CB_SETITEMHEIGHT, (WPARAM)-1, heightOrig);
+            int h = ::SendMessage(GetHwnd(), CB_GETITEMHEIGHT, (WPARAM)-1, 0);
+            SendMessage(GetHwnd(), CB_SETITEMHEIGHT, (WPARAM)-1, h + delta);
         }
     }
 }
@@ -538,10 +521,10 @@ wxSize wxChoice::DoGetBestSize() const
     // the combobox should be slightly larger than the widest string
     wChoice += 5*GetCharWidth();
 
-    return wxSize(wChoice, GetVisibleHeight());
+    return wxSize(wChoice, EDIT_HEIGHT_FROM_CHAR_HEIGHT(GetCharHeight()));
 }
 
-long wxChoice::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+WXLRESULT wxChoice::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 {
     if ( nMsg == WM_LBUTTONUP )
     {