Return NULL from wxWindow::GetCapture() when the capture is being lost.

[wxWidgets.git] / src / generic / msgdlgg.cpp

diff --git a/src/generic/msgdlgg.cpp b/src/generic/msgdlgg.cpp
index 9ba2ee10d89746e2360e2aeac56fbce435bf338a..5fbded43cc0d68629784ea749f13faf0ff0e9599 100644 (file)
--- a/src/generic/msgdlgg.cpp
+++ b/src/generic/msgdlgg.cpp
@@ -4,7 +4,6 @@
 // Author:      Julian Smart, Robert Roebling
 // Modified by:
 // Created:     04/01/98
-// RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart and Robert Roebling
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -39,6 +38,7 @@
 #include "wx/msgdlg.h"
 #include "wx/artprov.h"
 #include "wx/textwrapper.h"
+#include "wx/modalhook.h"
 
 #if wxUSE_STATLINE
     #include "wx/statline.h"
@@ -74,6 +74,7 @@ protected:
 BEGIN_EVENT_TABLE(wxGenericMessageDialog, wxDialog)
         EVT_BUTTON(wxID_YES, wxGenericMessageDialog::OnYes)
         EVT_BUTTON(wxID_NO, wxGenericMessageDialog::OnNo)
+        EVT_BUTTON(wxID_HELP, wxGenericMessageDialog::OnHelp)
         EVT_BUTTON(wxID_CANCEL, wxGenericMessageDialog::OnCancel)
 END_EVENT_TABLE()
 
@@ -133,6 +134,13 @@ wxSizer *wxGenericMessageDialog::CreateMsgDlgButtonSizer()
                 btnDef = yes;
         }
 
+        if ( m_dialogStyle & wxHELP )
+        {
+            wxButton * const
+                help = new wxButton(this, wxID_HELP, GetCustomHelpLabel());
+            sizerStd->AddButton(help);
+        }
+
         if ( btnDef )
         {
             btnDef->SetDefault();
@@ -148,7 +156,7 @@ wxSizer *wxGenericMessageDialog::CreateMsgDlgButtonSizer()
     // Use standard labels for all buttons
     return CreateSeparatedButtonSizer
            (
-                m_dialogStyle & (wxOK | wxCANCEL | wxYES_NO |
+                m_dialogStyle & (wxOK | wxCANCEL | wxHELP | wxYES_NO |
                                  wxNO_DEFAULT | wxCANCEL_DEFAULT)
            );
 }
@@ -157,8 +165,6 @@ void wxGenericMessageDialog::DoCreateMsgdialog()
 {
     wxDialog::Create(m_parent, wxID_ANY, m_caption, m_pos, wxDefaultSize, wxDEFAULT_DIALOG_STYLE);
 
-    bool is_pda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA);
-
     wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
 
     wxBoxSizer *icon_text = new wxBoxSizer( wxHORIZONTAL );
@@ -173,7 +179,7 @@ void wxGenericMessageDialog::DoCreateMsgdialog()
                                     wxID_ANY,
                                     wxArtProvider::GetMessageBoxIcon(m_dialogStyle)
                                    );
-        if (is_pda)
+        if ( wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA )
             topsizer->Add( icon, 0, wxTOP|wxLEFT|wxRIGHT | wxALIGN_LEFT, 10 );
         else
             icon_text->Add(icon, wxSizerFlags().Top().Border(wxRIGHT, 20));
@@ -205,7 +211,7 @@ void wxGenericMessageDialog::DoCreateMsgdialog()
     textsizer->Add(CreateTextSizer(lowerMessage));
 
     icon_text->Add(textsizer, 0, wxALIGN_CENTER, 10);
-    topsizer->Add( icon_text, 1, wxCENTER | wxLEFT|wxRIGHT|wxTOP, 10 );
+    topsizer->Add( icon_text, 1, wxLEFT|wxRIGHT|wxTOP, 10 );
 #endif // wxUSE_STATTEXT
 
     // 3) optional checkbox and detailed text
@@ -213,12 +219,9 @@ void wxGenericMessageDialog::DoCreateMsgdialog()
     AddMessageDialogDetails( topsizer );
 
     // 4) buttons
-    int center_flag = wxEXPAND;
-    if (m_dialogStyle & wxYES_NO)
-        center_flag = wxALIGN_CENTRE;
     wxSizer *sizerBtn = CreateMsgDlgButtonSizer();
     if ( sizerBtn )
-        topsizer->Add(sizerBtn, 0, center_flag | wxALL, 10 );
+        topsizer->Add(sizerBtn, 0, wxEXPAND | wxALL, 10 );
 
     SetAutoLayout( true );
     SetSizer( topsizer );
@@ -245,6 +248,11 @@ void wxGenericMessageDialog::OnNo(wxCommandEvent& WXUNUSED(event))
     EndModal( wxID_NO );
 }
 
+void wxGenericMessageDialog::OnHelp(wxCommandEvent& WXUNUSED(event))
+{
+    EndModal( wxID_HELP );
+}
+
 void wxGenericMessageDialog::OnCancel(wxCommandEvent& WXUNUSED(event))
 {
     // Allow cancellation via ESC/Close button except if
@@ -258,6 +266,8 @@ void wxGenericMessageDialog::OnCancel(wxCommandEvent& WXUNUSED(event))
 
 int wxGenericMessageDialog::ShowModal()
 {
+    WX_HOOK_MODAL_DIALOG();
+
     if ( !m_created )
     {
         m_created = true;