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 028a6f8d7820305bf4f0816615addd44f694ae72..5fbded43cc0d68629784ea749f13faf0ff0e9599 100644 (file)
--- a/src/generic/msgdlgg.cpp
+++ b/src/generic/msgdlgg.cpp
@@ -1,18 +1,13 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        msgdlgg.cpp
+// Name:        src/generic/msgdlgg.cpp

 // Purpose:     wxGenericMessageDialog
 // Purpose:     wxGenericMessageDialog

-// Author:      Julian Smart
+// Author:      Julian Smart, Robert Roebling

 // Modified by:
 // Created:     04/01/98
 // Modified by:
 // Created:     04/01/98

-// RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:    wxWindows license
+// Copyright:   (c) Julian Smart and Robert Roebling
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation "msgdlgg.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -20,167 +15,266 @@
 #pragma hdrstop
 #endif
 
 #pragma hdrstop
 #endif
 

+#if wxUSE_MSGDLG
+

 #ifndef WX_PRECOMP
 #ifndef WX_PRECOMP

-#include "wx/utils.h"
-#include "wx/dialog.h"
-#include "wx/listbox.h"
-#include "wx/button.h"
-#include "wx/stattext.h"
-#include "wx/layout.h"
-#include "wx/intl.h"
+    #include "wx/utils.h"
+    #include "wx/dialog.h"
+    #include "wx/button.h"
+    #include "wx/stattext.h"
+    #include "wx/statbmp.h"
+    #include "wx/layout.h"
+    #include "wx/intl.h"
+    #include "wx/icon.h"
+    #include "wx/sizer.h"
+    #include "wx/app.h"
+    #include "wx/settings.h"

 #endif
 
 #include <stdio.h>
 #include <string.h>
 
 #endif
 
 #include <stdio.h>
 #include <string.h>
 

-#include "wx/generic/msgdlgg.h"
+#define __WX_COMPILING_MSGDLGG_CPP__ 1
+#include "wx/msgdlg.h"
+#include "wx/artprov.h"
+#include "wx/textwrapper.h"
+#include "wx/modalhook.h"

 
 

-///////////////////////////////////////////////////////////////////
-// New dialog box implementations
+#if wxUSE_STATLINE
+    #include "wx/statline.h"
+#endif
+
+// ----------------------------------------------------------------------------
+// wxTitleTextWrapper: simple class to create wrapped text in "title font"
+// ----------------------------------------------------------------------------

 
 

-// Split message, using constraints to position controls
-void wxSplitMessage2(const wxChar *message, wxList *messageList, wxWindow *parent, wxRowColSizer *sizer)
+class wxTitleTextWrapper : public wxTextSizerWrapper

 {
 {

-  wxChar *copyMessage = copystring(message);
-  size_t i = 0;
-  size_t len = wxStrlen(copyMessage);
-  wxChar *currentMessage = copyMessage;
-
-//  wxWindow *lastWindow = parent;
-
-  while (i < len) {
-    while ((i < len) && (copyMessage[i] != _T('\n'))) i++;
-    if (i < len) copyMessage[i] = 0;
-    wxStaticText *mess = new wxStaticText(parent, -1, currentMessage);
-
-/*
-    wxLayoutConstraints *c = new wxLayoutConstraints;
-    c->left.SameAs             (parent, wxLeft, 10);
-    c->top.SameAs              (lastWindow, wxBottom, 5);
-    c->right.AsIs                      ();
-    c->height.AsIs                     ();
-
-    mess->SetConstraints(c);
-*/
-    sizer->AddSizerChild(mess);
-
-    messageList->Append(mess);
-
-    currentMessage = copyMessage + i + 1;
-  }
-  delete[] copyMessage;
-}
+public:
+    wxTitleTextWrapper(wxWindow *win)
+        : wxTextSizerWrapper(win)
+    {
+    }
+
+protected:
+    virtual wxWindow *OnCreateLine(const wxString& s)
+    {
+        wxWindow * const win = wxTextSizerWrapper::OnCreateLine(s);
+
+        win->SetFont(win->GetFont().Larger().MakeBold());
+
+        return win;
+    }
+};
+
+// ----------------------------------------------------------------------------
+// icons
+// ----------------------------------------------------------------------------

 
 

-#if !USE_SHARED_LIBRARY

 BEGIN_EVENT_TABLE(wxGenericMessageDialog, wxDialog)
 BEGIN_EVENT_TABLE(wxGenericMessageDialog, wxDialog)

-       EVT_BUTTON(wxID_YES, wxGenericMessageDialog::OnYes)
-       EVT_BUTTON(wxID_NO, wxGenericMessageDialog::OnNo)
-       EVT_BUTTON(wxID_CANCEL, wxGenericMessageDialog::OnCancel)
+        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()
 
 IMPLEMENT_CLASS(wxGenericMessageDialog, wxDialog)
 END_EVENT_TABLE()
 
 IMPLEMENT_CLASS(wxGenericMessageDialog, wxDialog)

-#endif

 
 

-wxGenericMessageDialog::wxGenericMessageDialog(wxWindow *parent, const wxString& message, const wxString& caption,
-        long style, const wxPoint& pos):
-       wxDialog(parent, -1, caption, pos,
-#ifdef __WXMOTIF_
-           wxSize(400, 300),
-#else
-           wxDefaultSize,
-#endif
-           wxDEFAULT_DIALOG_STYLE|wxDIALOG_MODAL)
+wxGenericMessageDialog::wxGenericMessageDialog( wxWindow *parent,
+                                                const wxString& message,
+                                                const wxString& caption,
+                                                long style,
+                                                const wxPoint& pos)
+                      : wxMessageDialogBase(GetParentForModalDialog(parent, style),
+                                            message,
+                                            caption,
+                                            style),
+                        m_pos(pos)

 {
 {

-    m_dialogStyle = style;
-
-    wxBeginBusyCursor();
-
-    wxSizer *topSizer = new wxSizer(this, wxSizerShrink);
-    topSizer->SetBorder(10, 10);
-
-    // message sizer at the top
-    wxRowColSizer *messageSizer = new wxRowColSizer(topSizer, wxSIZER_COLS, 100);
-    messageSizer->SetName(_T("messageSizer"));
-
-//    bool centre = ((style & wxCENTRE) == wxCENTRE);
-
-    wxList messageList;
-    wxSplitMessage2(message, &messageList, this, messageSizer);
-
-    // spacer size in the middle
-    wxSpacingSizer *spacingSizer = new wxSpacingSizer(topSizer, wxBelow, messageSizer, 20);
-
-    // row size at the bottom
-    wxRowColSizer *buttonSizer = new wxRowColSizer(topSizer, wxSIZER_ROWS );
-    buttonSizer->SetName(_T("buttonSizer"));
-    buttonSizer->SetSpacing(12,0);
-
-    // Specify constraints for the button sizer
-    wxLayoutConstraints *c = new wxLayoutConstraints;
-    c->width.AsIs              ();
-    c->height.AsIs             ();
-    c->top.Below               (spacingSizer);
-    c->left.Absolute            (10);
-//    c->centreX.SameAs        (spacingSizer, wxCentreX);
-    buttonSizer->SetConstraints(c);
-    
-    wxButton *ok = (wxButton *) NULL;
-    wxButton *cancel = (wxButton *) NULL;
-    wxButton *yes = (wxButton *) NULL;
-    wxButton *no = (wxButton *) NULL;
-
-    if (style & wxYES_NO) {
-       yes = new wxButton(this, wxID_YES, _("Yes"), wxDefaultPosition, wxSize(75,-1) );
-       no = new wxButton(this, wxID_NO, _("No"), wxDefaultPosition, wxSize(75,-1) );
-
-       buttonSizer->AddSizerChild(yes);
-       buttonSizer->AddSizerChild(no);
-    }
+    m_created = false;
+}

 
 

-    if (style & wxOK) {
-        ok = new wxButton(this, wxID_OK, _("OK"), wxDefaultPosition, wxSize(75,-1) );
-        buttonSizer->AddSizerChild(ok);
+wxSizer *wxGenericMessageDialog::CreateMsgDlgButtonSizer()
+{
+#ifndef __SMARTPHONE__
+    if ( HasCustomLabels() )
+    {
+        wxStdDialogButtonSizer * const sizerStd = new wxStdDialogButtonSizer;
+
+        wxButton *btnDef = NULL;
+
+        if ( m_dialogStyle & wxOK )
+        {
+            btnDef = new wxButton(this, wxID_OK, GetCustomOKLabel());
+            sizerStd->AddButton(btnDef);
+        }
+
+        if ( m_dialogStyle & wxCANCEL )
+        {
+            wxButton * const
+                cancel = new wxButton(this, wxID_CANCEL, GetCustomCancelLabel());
+            sizerStd->AddButton(cancel);
+
+            if ( m_dialogStyle & wxCANCEL_DEFAULT )
+                btnDef = cancel;
+        }
+
+        if ( m_dialogStyle & wxYES_NO )
+        {
+            wxButton * const
+                yes = new wxButton(this, wxID_YES, GetCustomYesLabel());
+            sizerStd->AddButton(yes);
+
+            wxButton * const
+                no = new wxButton(this, wxID_NO, GetCustomNoLabel());
+            sizerStd->AddButton(no);
+            if ( m_dialogStyle & wxNO_DEFAULT )
+                btnDef = no;
+            else if ( !btnDef )
+                btnDef = yes;
+        }
+
+        if ( m_dialogStyle & wxHELP )
+        {
+            wxButton * const
+                help = new wxButton(this, wxID_HELP, GetCustomHelpLabel());
+            sizerStd->AddButton(help);
+        }
+
+        if ( btnDef )
+        {
+            btnDef->SetDefault();
+            btnDef->SetFocus();
+        }
+
+        sizerStd->Realize();
+
+        return CreateSeparatedSizer(sizerStd);

     }
     }

+#endif // !__SMARTPHONE__
+
+    // Use standard labels for all buttons
+    return CreateSeparatedButtonSizer
+           (
+                m_dialogStyle & (wxOK | wxCANCEL | wxHELP | wxYES_NO |
+                                 wxNO_DEFAULT | wxCANCEL_DEFAULT)
+           );
+}
+
+void wxGenericMessageDialog::DoCreateMsgdialog()
+{
+    wxDialog::Create(m_parent, wxID_ANY, m_caption, m_pos, wxDefaultSize, wxDEFAULT_DIALOG_STYLE);
+
+    wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );

 
 

-    if (style & wxCANCEL) {
-        cancel = new wxButton(this, wxID_CANCEL, _("Cancel"), wxDefaultPosition, wxSize(75,-1) );
-        buttonSizer->AddSizerChild(cancel);
+    wxBoxSizer *icon_text = new wxBoxSizer( wxHORIZONTAL );
+
+#if wxUSE_STATBMP
+    // 1) icon
+    if (m_dialogStyle & wxICON_MASK)
+    {
+        wxStaticBitmap *icon = new wxStaticBitmap
+                                   (
+                                    this,
+                                    wxID_ANY,
+                                    wxArtProvider::GetMessageBoxIcon(m_dialogStyle)
+                                   );
+        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));

     }
     }

+#endif // wxUSE_STATBMP
+
+#if wxUSE_STATTEXT
+    // 2) text

 
 

-    if (ok)
+    wxBoxSizer * const textsizer = new wxBoxSizer(wxVERTICAL);
+
+    // We want to show the main message in a different font to make it stand
+    // out if the extended message is used as well. This looks better and is
+    // more consistent with the native dialogs under MSW and GTK.
+    wxString lowerMessage;
+    if ( !m_extendedMessage.empty() )

     {
     {

-      ok->SetDefault();
-      ok->SetFocus();
+        wxTitleTextWrapper titleWrapper(this);
+        textsizer->Add(CreateTextSizer(GetMessage(), titleWrapper),
+                       wxSizerFlags().Border(wxBOTTOM, 20));
+
+        lowerMessage = GetExtendedMessage();

     }
     }

-    else if (yes)
+    else // no extended message

     {
     {

-      yes->SetDefault();
-      yes->SetFocus();
+        lowerMessage = GetMessage();

     }
 
     }
 

-    Layout();
-    
-    Centre(wxBOTH);
+    textsizer->Add(CreateTextSizer(lowerMessage));
+
+    icon_text->Add(textsizer, 0, wxALIGN_CENTER, 10);
+    topsizer->Add( icon_text, 1, wxLEFT|wxRIGHT|wxTOP, 10 );
+#endif // wxUSE_STATTEXT
+
+    // 3) optional checkbox and detailed text
+    AddMessageDialogCheckBox( topsizer );
+    AddMessageDialogDetails( topsizer );
+
+    // 4) buttons
+    wxSizer *sizerBtn = CreateMsgDlgButtonSizer();
+    if ( sizerBtn )
+        topsizer->Add(sizerBtn, 0, wxEXPAND | wxALL, 10 );
+
+    SetAutoLayout( true );
+    SetSizer( topsizer );
+
+    topsizer->SetSizeHints( this );
+    topsizer->Fit( this );
+    wxSize size( GetSize() );
+    if (size.x < size.y*3/2)
+    {
+        size.x = size.y*3/2;
+        SetSize( size );
+    }

 
 

-    wxEndBusyCursor();
+    Centre( wxBOTH | wxCENTER_FRAME);

 }
 
 void wxGenericMessageDialog::OnYes(wxCommandEvent& WXUNUSED(event))
 {
 }
 
 void wxGenericMessageDialog::OnYes(wxCommandEvent& WXUNUSED(event))
 {

-    EndModal(wxID_YES);
+    EndModal( wxID_YES );

 }
 
 void wxGenericMessageDialog::OnNo(wxCommandEvent& WXUNUSED(event))
 {
 }
 
 void wxGenericMessageDialog::OnNo(wxCommandEvent& WXUNUSED(event))
 {

-    EndModal(wxID_NO);
+    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
     // only YES and NO are specified.
 }
 
 void wxGenericMessageDialog::OnCancel(wxCommandEvent& WXUNUSED(event))
 {
     // Allow cancellation via ESC/Close button except if
     // only YES and NO are specified.

-    if ( (m_dialogStyle & wxYES_NO) != wxYES_NO || (m_dialogStyle & wxCANCEL) )
-        EndModal(wxID_CANCEL);
+    const long style = GetMessageDialogStyle();
+    if ( (style & wxYES_NO) != wxYES_NO || (style & wxCANCEL) )
+    {
+        EndModal( wxID_CANCEL );
+    }

 }
 
 }
 

+int wxGenericMessageDialog::ShowModal()
+{
+    WX_HOOK_MODAL_DIALOG();
+
+    if ( !m_created )
+    {
+        m_created = true;
+        DoCreateMsgdialog();
+    }
+
+    return wxMessageDialogBase::ShowModal();
+}

 
 

+#endif // wxUSE_MSGDLG