we do want arrows even in a read only text ctrl

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

diff --git a/src/msw/combobox.cpp b/src/msw/combobox.cpp
index 0d80dbcf05ffea495e4adfda56241866401437af..283eab16acd2a176cd1438de4604b4af38df0dd4 100644 (file)
--- a/src/msw/combobox.cpp
+++ b/src/msw/combobox.cpp
@@ -41,7 +41,7 @@
 #include "wx/msw/private.h"
 
 #if wxUSE_TOOLTIPS
 #include "wx/msw/private.h"
 
 #if wxUSE_TOOLTIPS

-    #ifndef __GNUWIN32_OLD__
+    #if !defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__)

         #include <commctrl.h>
     #endif
     #include "wx/tooltip.h"
         #include <commctrl.h>
     #endif
     #include "wx/tooltip.h"


@@ -87,20 +87,33 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd,
 
     switch ( message )
     {
 
     switch ( message )
     {

-        // forward some messages to the combobox
+        // forward some messages to the combobox to generate the appropriate
+        // wxEvents from them

         case WM_KEYUP:
         case WM_KEYDOWN:
         case WM_CHAR:
         case WM_KEYUP:
         case WM_KEYDOWN:
         case WM_CHAR:

+        case WM_SETFOCUS:
+        case WM_KILLFOCUS:

             {
                 wxComboBox *combo = wxDynamicCast(win, wxComboBox);
             {
                 wxComboBox *combo = wxDynamicCast(win, wxComboBox);

-                wxCHECK_MSG( combo, 0, _T("should have combo as parent") );
-
-                if ( combo->MSWProcessEditMsg(message, wParam, lParam) )
+                if ( !combo )
+                {
+                    // we can get WM_KILLFOCUS while our parent is already half
+                    // destroyed and hence doesn't look like a combobx any
+                    // longer, check for it to avoid bogus assert failures
+                    if ( !win->IsBeingDeleted() )
+                    {
+                        wxFAIL_MSG( _T("should have combo as parent") );
+                    }
+                }
+                else if ( combo->MSWProcessEditMsg(message, wParam, lParam) )
+                {
+                    // handled by parent

                     return 0;
                     return 0;

+                }

             }
             break;
 
             }
             break;
 

-#if 0

         case WM_GETDLGCODE:
             {
                 wxCHECK_MSG( win, 0, _T("should have a parent") );
         case WM_GETDLGCODE:
             {
                 wxCHECK_MSG( win, 0, _T("should have a parent") );


@@ -112,10 +125,9 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd,
                 }
             }
             break;
                 }
             }
             break;

-#endif // 0

 
         // deal with tooltips here
 
         // deal with tooltips here

-#if wxUSE_TOOLTIPS
+#if wxUSE_TOOLTIPS && defined(TTN_NEEDTEXT)

         case WM_NOTIFY:
             {
                 wxCHECK_MSG( win, 0, _T("should have a parent") );
         case WM_NOTIFY:
             {
                 wxCHECK_MSG( win, 0, _T("should have a parent") );


@@ -142,9 +154,16 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd,
 }
 
 WXHBRUSH wxComboBox::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
 }
 
 WXHBRUSH wxComboBox::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),

+#if wxUSE_CTL3D
+                               WXUINT message,
+                               WXWPARAM wParam,
+                               WXLPARAM lParam
+#else

                                WXUINT WXUNUSED(message),
                                WXWPARAM WXUNUSED(wParam),
                                WXUINT WXUNUSED(message),
                                WXWPARAM WXUNUSED(wParam),

-                               WXLPARAM WXUNUSED(lParam))
+                               WXLPARAM WXUNUSED(lParam)
+#endif
+    )

 {
 #if wxUSE_CTL3D
     if ( m_useCtl3D )
 {
 #if wxUSE_CTL3D
     if ( m_useCtl3D )


@@ -163,7 +182,7 @@ WXHBRUSH wxComboBox::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSE
     wxColour colBack = GetBackgroundColour();
 
     if (!IsEnabled())
     wxColour colBack = GetBackgroundColour();
 
     if (!IsEnabled())

-        colBack = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
+        colBack = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);

 
     ::SetBkColor(hdc, wxColourToRGB(colBack));
     ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
 
     ::SetBkColor(hdc, wxColourToRGB(colBack));
     ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));


@@ -183,12 +202,18 @@ bool wxComboBox::MSWProcessEditMsg(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam)
     {
         case WM_CHAR:
             return HandleChar(wParam, lParam, TRUE /* isASCII */);
     {
         case WM_CHAR:
             return HandleChar(wParam, lParam, TRUE /* isASCII */);

-                       
+

         case WM_KEYDOWN:
             return HandleKeyDown(wParam, lParam);
 
         case WM_KEYUP:
             return HandleKeyUp(wParam, lParam);
         case WM_KEYDOWN:
             return HandleKeyDown(wParam, lParam);
 
         case WM_KEYUP:
             return HandleKeyUp(wParam, lParam);

+
+        case WM_SETFOCUS:
+            return HandleSetFocus((WXHWND)wParam);
+
+        case WM_KILLFOCUS:
+            return HandleKillFocus((WXHWND)wParam);

     }
 
     return FALSE;
     }
 
     return FALSE;


@@ -223,11 +248,24 @@ bool wxComboBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
 
         case CBN_EDITCHANGE:
             {
 
         case CBN_EDITCHANGE:
             {

+                wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
+

                 // if sel != -1, value was initialized above (and we can't use
                 // GetValue() here as it would return the old selection and we
                 // want the new one)
                 // if sel != -1, value was initialized above (and we can't use
                 // GetValue() here as it would return the old selection and we
                 // want the new one)

-                wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
-                event.SetString(sel == -1 ? GetValue() : value);
+                if ( sel == -1 )
+                {
+                    value = GetValue();
+                }
+                else // we're synthesizing text updated event from sel change
+                {
+                    // we need to do this because the user code expects
+                    // wxComboBox::GetValue() to return the new value from
+                    // "text updated" handler but it hadn't been updated yet
+                    SetValue(value);
+                }
+
+                event.SetString(value);

                 event.SetEventObject(this);
                 ProcessCommand(event);
             }
                 event.SetEventObject(this);
                 ProcessCommand(event);
             }


@@ -266,6 +304,11 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
                         const wxValidator& validator,
                         const wxString& name)
 {
                         const wxValidator& validator,
                         const wxString& name)
 {

+    // pretend that wxComboBox is hidden while it is positioned and resized and
+    // show it only right before leaving this method because otherwise there is
+    // some noticeable flicker while the control rearranges itself
+    m_isShown = FALSE;
+

     // first create wxWin object
     if ( !CreateControl(parent, id, pos, size, style, validator, name) )
         return FALSE;
     // first create wxWin object
     if ( !CreateControl(parent, id, pos, size, style, validator, name) )
         return FALSE;


@@ -283,15 +326,17 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
     if ( style & wxCB_SORT )
         msStyle |= CBS_SORT;
 
     if ( style & wxCB_SORT )
         msStyle |= CBS_SORT;
 

+    if ( style & wxCLIP_SIBLINGS )
+        msStyle |= WS_CLIPSIBLINGS;
+
+

     // and now create the MSW control
     if ( !MSWCreateControl(_T("COMBOBOX"), msStyle) )
         return FALSE;
 
     // and now create the MSW control
     if ( !MSWCreateControl(_T("COMBOBOX"), msStyle) )
         return FALSE;
 

-    SetSize(pos.x, pos.y, size.x, size.y);
-

     // A choice/combobox normally has a white background (or other, depending
     // on global settings) rather than inheriting the parent's background colour.
     // A choice/combobox normally has a white background (or other, depending
     // on global settings) rather than inheriting the parent's background colour.

-    SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+    SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));

 
     for ( int i = 0; i < n; i++ )
     {
 
     for ( int i = 0; i < n; i++ )
     {


@@ -303,6 +348,10 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
         SetValue(value);
     }
 
         SetValue(value);
     }
 

+    // do this after appending the values to the combobox so that autosizing
+    // works correctly
+    SetSize(pos.x, pos.y, size.x, size.y);
+

     // a (not read only) combobox is, in fact, 2 controls: the combobox itself
     // and an edit control inside it and if we want to catch events from this
     // edit control, we must subclass it as well
     // a (not read only) combobox is, in fact, 2 controls: the combobox itself
     // and an edit control inside it and if we want to catch events from this
     // edit control, we must subclass it as well


@@ -316,6 +365,9 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
                                       );
     }
 
                                       );
     }
 

+    // and finally, show the control
+    Show(TRUE);
+

     return TRUE;
 }
 
     return TRUE;
 }
 


@@ -324,9 +376,9 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
 void wxComboBox::SetValue(const wxString& value)
 {
   // If newlines are denoted by just 10, must stick 13 in front.
 void wxComboBox::SetValue(const wxString& value)
 {
   // If newlines are denoted by just 10, must stick 13 in front.

-  int singletons = 0;
-  int len = value.Length();
-  int i;
+  size_t singletons = 0;
+  size_t len = value.Length();
+  size_t i;

   for (i = 0; i < len; i ++)
   {
     if ((i > 0) && (value[i] == 10) && (value[i-1] != 13))
   for (i = 0; i < len; i ++)
   {
     if ((i > 0) && (value[i] == 10) && (value[i-1] != 13))


@@ -334,8 +386,9 @@ void wxComboBox::SetValue(const wxString& value)
   }
   if (singletons > 0)
   {
   }
   if (singletons > 0)
   {

-    wxChar *tmp = new wxChar[len + singletons + 1];
-    int j = 0;
+    wxString tmp;
+    tmp.Alloc(len + singletons);
+    size_t j = 0;

     for (i = 0; i < len; i ++)
     {
       if ((i > 0) && (value[i] == 10) && (value[i-1] != 13))
     for (i = 0; i < len; i ++)
     {
       if ((i > 0) && (value[i] == 10) && (value[i-1] != 13))


@@ -346,12 +399,16 @@ void wxComboBox::SetValue(const wxString& value)
       tmp[j] = value[i];
       j ++;
     }
       tmp[j] = value[i];
       j ++;
     }

-    tmp[j] = 0;
-    SetWindowText(GetHwnd(), tmp);
-    delete[] tmp;
+    if (GetWindowStyle() & wxCB_READONLY)
+        SetStringSelection(tmp);
+    else
+        SetWindowText(GetHwnd(), tmp.c_str());

   }
   else
   }
   else

-    SetWindowText(GetHwnd(), value);
+    if (GetWindowStyle() & wxCB_READONLY)
+      SetStringSelection(value);
+    else
+      SetWindowText(GetHwnd(), value.c_str());

 }
 
 // Clipboard operations
 }
 
 // Clipboard operations


@@ -476,49 +533,6 @@ void wxComboBox::SetSelection(long from, long to)
     }
 }
 
     }
 }
 

-void wxComboBox::DoMoveWindow(int x, int y, int width, int height)
-{
-    // here is why this is necessary: if the width is negative, the combobox
-    // window proc makes the window of the size width*height instead of
-    // interpreting height in the usual manner (meaning the height of the drop
-    // down list - usually the height specified in the call to MoveWindow()
-    // will not change the height of combo box per se)
-    //
-    // this behaviour is not documented anywhere, but this is just how it is
-    // here (NT 4.4) and, anyhow, the check shouldn't hurt - however without
-    // the check, constraints/sizers using combos may break the height
-    // constraint will have not at all the same value as expected
-    if ( width < 0 )
-        return;
-
-    int cx, cy;
-    wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
-
-    // what should the height of the drop down list be? we choose 10 items by
-    // default and also 10 items max (if we always use n, the list will never
-    // have vertical scrollbar)
-    int n = GetCount();
-    if ( !n || (n > 10) )
-        n = 10;
-
-    height = (n + 1)* EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
-
-    wxControl::DoMoveWindow(x, y, width, height);
-}
-
-wxSize wxComboBox::DoGetBestSize() const
-{
-    // the choice calculates the horz size correctly, but not the vertical
-    // component: correct it
-    wxSize size = wxChoice::DoGetBestSize();
-
-    int cx, cy;
-    wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
-    size.y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
-
-    return size;
-}
-

 #endif
  // wxUSE_COMBOBOX
 
 #endif
  // wxUSE_COMBOBOX