Avoid core dumps when SetImageList is used.

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

diff --git a/src/msw/checkbox.cpp b/src/msw/checkbox.cpp
index 252bd5220fa944886b987f9d8d73d5a9e75c80c2..494819949d801d1b08ba06b299b0cd1d727f060c 100644 (file)
--- a/src/msw/checkbox.cpp
+++ b/src/msw/checkbox.cpp
@@ -39,10 +39,18 @@
 
 #include "wx/msw/private.h"
 
+#ifndef BST_UNCHECKED
+    #define BST_UNCHECKED 0x0000
+#endif
+
 #ifndef BST_CHECKED
     #define BST_CHECKED 0x0001
 #endif
 
+#ifndef BST_INDETERMINATE
+    #define BST_INDETERMINATE 0x0002
+#endif
+
 // ============================================================================
 // implementation
 // ============================================================================
@@ -50,51 +58,51 @@
 #if wxUSE_EXTENDED_RTTI
 WX_DEFINE_FLAGS( wxCheckBoxStyle )
 
-WX_BEGIN_FLAGS( wxCheckBoxStyle )
+wxBEGIN_FLAGS( wxCheckBoxStyle )
     // new style border flags, we put them first to
     // use them for streaming out
-    WX_FLAGS_MEMBER(wxBORDER_SIMPLE)
-    WX_FLAGS_MEMBER(wxBORDER_SUNKEN)
-    WX_FLAGS_MEMBER(wxBORDER_DOUBLE)
-    WX_FLAGS_MEMBER(wxBORDER_RAISED)
-    WX_FLAGS_MEMBER(wxBORDER_STATIC)
-    WX_FLAGS_MEMBER(wxBORDER_NONE)
+    wxFLAGS_MEMBER(wxBORDER_SIMPLE)
+    wxFLAGS_MEMBER(wxBORDER_SUNKEN)
+    wxFLAGS_MEMBER(wxBORDER_DOUBLE)
+    wxFLAGS_MEMBER(wxBORDER_RAISED)
+    wxFLAGS_MEMBER(wxBORDER_STATIC)
+    wxFLAGS_MEMBER(wxBORDER_NONE)
     
     // old style border flags
-    WX_FLAGS_MEMBER(wxSIMPLE_BORDER)
-    WX_FLAGS_MEMBER(wxSUNKEN_BORDER)
-    WX_FLAGS_MEMBER(wxDOUBLE_BORDER)
-    WX_FLAGS_MEMBER(wxRAISED_BORDER)
-    WX_FLAGS_MEMBER(wxSTATIC_BORDER)
-    WX_FLAGS_MEMBER(wxNO_BORDER)
+    wxFLAGS_MEMBER(wxSIMPLE_BORDER)
+    wxFLAGS_MEMBER(wxSUNKEN_BORDER)
+    wxFLAGS_MEMBER(wxDOUBLE_BORDER)
+    wxFLAGS_MEMBER(wxRAISED_BORDER)
+    wxFLAGS_MEMBER(wxSTATIC_BORDER)
+    wxFLAGS_MEMBER(wxNO_BORDER)
 
     // standard window styles
-    WX_FLAGS_MEMBER(wxTAB_TRAVERSAL)
-    WX_FLAGS_MEMBER(wxCLIP_CHILDREN)
-    WX_FLAGS_MEMBER(wxTRANSPARENT_WINDOW)
-    WX_FLAGS_MEMBER(wxWANTS_CHARS)
-    WX_FLAGS_MEMBER(wxNO_FULL_REPAINT_ON_RESIZE)
-    WX_FLAGS_MEMBER(wxALWAYS_SHOW_SB )
-    WX_FLAGS_MEMBER(wxVSCROLL)
-    WX_FLAGS_MEMBER(wxHSCROLL)
+    wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
+    wxFLAGS_MEMBER(wxCLIP_CHILDREN)
+    wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
+    wxFLAGS_MEMBER(wxWANTS_CHARS)
+    wxFLAGS_MEMBER(wxNO_FULL_REPAINT_ON_RESIZE)
+    wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
+    wxFLAGS_MEMBER(wxVSCROLL)
+    wxFLAGS_MEMBER(wxHSCROLL)
 
-WX_END_FLAGS( wxCheckBoxStyle )
+wxEND_FLAGS( wxCheckBoxStyle )
 
 IMPLEMENT_DYNAMIC_CLASS_XTI(wxCheckBox, wxControl,"wx/checkbox.h")
 
-WX_BEGIN_PROPERTIES_TABLE(wxCheckBox)
-       WX_EVENT_PROPERTY( Click , wxEVT_COMMAND_CHECKBOX_CLICKED , wxCommandEvent )
+wxBEGIN_PROPERTIES_TABLE(wxCheckBox)
+       wxEVENT_PROPERTY( Click , wxEVT_COMMAND_CHECKBOX_CLICKED , wxCommandEvent )
 
-       WX_PROPERTY( Font , wxFont , SetFont , GetFont  , , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-       WX_PROPERTY( Label,wxString, SetLabel, GetLabel, wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-       WX_PROPERTY( Value ,bool, SetValue, GetValue, , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-    WX_PROPERTY_FLAGS( WindowStyle , wxCheckBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
-WX_END_PROPERTIES_TABLE()
+       wxPROPERTY( Font , wxFont , SetFont , GetFont  , , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+       wxPROPERTY( Label,wxString, SetLabel, GetLabel, wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+       wxPROPERTY( Value ,bool, SetValue, GetValue, , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY_FLAGS( WindowStyle , wxCheckBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+wxEND_PROPERTIES_TABLE()
 
-WX_BEGIN_HANDLERS_TABLE(wxCheckBox)
-WX_END_HANDLERS_TABLE()
+wxBEGIN_HANDLERS_TABLE(wxCheckBox)
+wxEND_HANDLERS_TABLE()
 
-WX_CONSTRUCTOR_6( wxCheckBox , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle ) 
+wxCONSTRUCTOR_6( wxCheckBox , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle ) 
 #else
 IMPLEMENT_DYNAMIC_CLASS(wxCheckBox, wxControl)
 #endif
@@ -107,9 +115,20 @@ IMPLEMENT_DYNAMIC_CLASS(wxCheckBox, wxControl)
 bool wxCheckBox::MSWCommand(WXUINT WXUNUSED(param), WXWORD WXUNUSED(id))
 {
     wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, m_windowId);
-    event.SetInt(GetValue());
+    wxCheckBoxState state = Get3StateValue();
+
+    // If the style flag to allow the user setting the undetermined state
+    // is not set, then skip the undetermined state and set it to unchecked.
+    if ( state == wxCHK_UNDETERMINED && !Is3rdStateAllowedForUser() )
+    {
+        state = wxCHK_UNCHECKED;
+        Set3StateValue(state);
+    }
+
+    event.SetInt(state);
     event.SetEventObject(this);
     ProcessCommand(event);
+
     return TRUE;
 }
 
@@ -124,9 +143,24 @@ bool wxCheckBox::Create(wxWindow *parent,
     if ( !CreateControl(parent, id, pos, size, style, validator, name) )
         return FALSE;
 
-    long msStyle = BS_AUTOCHECKBOX | WS_TABSTOP;
+    long msStyle = WS_TABSTOP;
+
+    if ( style & wxCHK_3STATE )
+    {
+        msStyle |= BS_AUTO3STATE;
+    }
+    else
+    {
+        wxASSERT_MSG( !Is3rdStateAllowedForUser(),
+            wxT("Using wxCH_ALLOW_3RD_STATE_FOR_USER")
+            wxT(" style flag for a 2-state checkbox is useless") );
+        msStyle |= BS_AUTOCHECKBOX;
+    }
+
     if ( style & wxALIGN_RIGHT )
+    {
         msStyle |= BS_LEFTTEXT;
+    }
 
     return MSWCreateControl(wxT("BUTTON"), msStyle, pos, size, label, 0);
 }
@@ -170,18 +204,50 @@ wxSize wxCheckBox::DoGetBestSize() const
 
 void wxCheckBox::SetValue(bool val)
 {
-    SendMessage(GetHwnd(), BM_SETCHECK, val, 0);
+    if (val)
+    {
+        Set3StateValue(wxCHK_CHECKED);
+    }
+    else
+    {
+        Set3StateValue(wxCHK_UNCHECKED);
+    }
 }
 
 bool wxCheckBox::GetValue() const
 {
-    return (SendMessage(GetHwnd(), BM_GETCHECK, 0, 0) & BST_CHECKED) != 0;
+    return (Get3StateValue() != 0);
 }
 
 void wxCheckBox::Command(wxCommandEvent& event)
 {
-    SetValue(event.GetInt() != 0);
+    int state = event.GetInt();
+    wxCHECK_RET( (state == wxCHK_UNCHECKED) || (state == wxCHK_CHECKED)
+        || (state == wxCHK_UNDETERMINED),
+        wxT("event.GetInt() returned an invalid checkbox state") );
+
+    Set3StateValue((wxCheckBoxState) state);
     ProcessCommand(event);
 }
 
+wxCOMPILE_TIME_ASSERT(wxCHK_UNCHECKED == BST_UNCHECKED
+    && wxCHK_CHECKED == BST_CHECKED
+    && wxCHK_UNDETERMINED == BST_INDETERMINATE, EnumValuesIncorrect);
+
+void wxCheckBox::DoSet3StateValue(wxCheckBoxState state)
+{
+    ::SendMessage(GetHwnd(), BM_SETCHECK, (WPARAM) state, 0);
+}
+
+wxCheckBoxState wxCheckBox::DoGet3StateValue() const
+{
+#ifdef __WIN32__
+    return (wxCheckBoxState) ::SendMessage(GetHwnd(), BM_GETCHECK, 0, 0);
+#else
+    return (wxCheckBoxState) ((::SendMessage(GetHwnd(), BM_GETCHECK, 0, 0)
+        & 0x001) == 0x001);
+#endif
+
+}
+
 #endif // wxUSE_CHECKBOX