X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f6bcfd974ef26faf6f91a62cac09827e09463fd1..5fa150e233fa449ee270ac26ecf074f5c40acb1e:/src/common/dlgcmn.cpp

diff --git a/src/common/dlgcmn.cpp b/src/common/dlgcmn.cpp
index d16c32fd0f..74af36254e 100644
--- a/src/common/dlgcmn.cpp
+++ b/src/common/dlgcmn.cpp
@@ -1,12 +1,12 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        common/dlgcmn.cpp
+// Name:        src/common/dlgcmn.cpp
 // Purpose:     common (to all ports) wxDialog functions
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     28.06.99
 // RCS-ID:      $Id$
 // Copyright:   (c) Vadim Zeitlin
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "dialogbase.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -28,125 +24,357 @@
     #pragma hdrstop
 #endif
 
+#include "wx/dialog.h"
+
 #ifndef WX_PRECOMP
     #include "wx/button.h"
-    #include "wx/dialog.h"
     #include "wx/dcclient.h"
     #include "wx/intl.h"
     #include "wx/settings.h"
     #include "wx/stattext.h"
     #include "wx/sizer.h"
-    #include "wx/button.h"
+    #include "wx/containr.h"
 #endif
 
-//--------------------------------------------------------------------------
+#include "wx/statline.h"
+#include "wx/sysopt.h"
+
+#if wxUSE_STATTEXT
+
+// ----------------------------------------------------------------------------
+// wxTextWrapper
+// ----------------------------------------------------------------------------
+
+// this class is used to wrap the text on word boundary: wrapping is done by
+// calling OnStartLine() and OnOutputLine() functions
+class wxTextWrapper
+{
+public:
+    wxTextWrapper() { m_eol = false; }
+
+    // win is used for getting the font, text is the text to wrap, width is the
+    // max line width or -1 to disable wrapping
+    void Wrap(wxWindow *win, const wxString& text, int widthMax);
+
+    // we don't need it, but just to avoid compiler warnings
+    virtual ~wxTextWrapper() { }
+
+protected:
+    // line may be empty
+    virtual void OnOutputLine(const wxString& line) = 0;
+
+    // called at the start of every new line (except the very first one)
+    virtual void OnNewLine() { }
+
+private:
+    // call OnOutputLine() and set m_eol to true
+    void DoOutputLine(const wxString& line)
+    {
+        OnOutputLine(line);
+
+        m_eol = true;
+    }
+
+    // this function is a destructive inspector: when it returns true it also
+    // resets the flag to false so calling it again woulnd't return true any
+    // more
+    bool IsStartOfNewLine()
+    {
+        if ( !m_eol )
+            return false;
+
+        m_eol = false;
+
+        return true;
+    }
+
+
+    bool m_eol;
+};
+
+#endif // wxUSE_STATTEXT
+
+// ----------------------------------------------------------------------------
 // wxDialogBase
-//--------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
 
-wxSizer *wxDialogBase::CreateTextSizer( const wxString &message )
+BEGIN_EVENT_TABLE(wxDialogBase, wxTopLevelWindow)
+    EVT_BUTTON(wxID_ANY, wxDialogBase::OnButton)
+
+    EVT_CLOSE(wxDialogBase::OnCloseWindow)
+
+    EVT_CHAR_HOOK(wxDialogBase::OnCharHook)
+
+    WX_EVENT_TABLE_CONTROL_CONTAINER(wxDialogBase)
+END_EVENT_TABLE()
+
+WX_DELEGATE_TO_CONTROL_CONTAINER(wxDialogBase, wxTopLevelWindow)
+
+void wxDialogBase::Init()
 {
-    wxBoxSizer *box = new wxBoxSizer( wxVERTICAL );
+    m_returnCode = 0;
+    m_affirmativeId = wxID_OK;
+    m_escapeId = wxID_ANY;
 
-    // get line height for empty lines
-    int y = 0;
-    wxFont font( GetFont() );
-    if (!font.Ok())
-        font = *wxSWISS_FONT;
-    GetTextExtent(_T("H"), (int*)NULL, &y, (int*)NULL, (int*)NULL, &font);
+    // the dialogs have this flag on by default to prevent the events from the
+    // dialog controls from reaching the parent frame which is usually
+    // undesirable and can lead to unexpected and hard to find bugs
+    SetExtraStyle(GetExtraStyle() | wxWS_EX_BLOCK_EVENTS);
 
+    m_container.SetContainerWindow(this);
+}
+
+#if wxUSE_STATTEXT
+
+void wxTextWrapper::Wrap(wxWindow *win, const wxString& text, int widthMax)
+{
+    const wxChar *lastSpace = NULL;
     wxString line;
-    for (size_t pos = 0; pos < message.Len(); pos++)
+
+    const wxChar *lineStart = text.c_str();
+    for ( const wxChar *p = lineStart; ; p++ )
     {
-        if (message[pos] == wxT('\n'))
+        if ( IsStartOfNewLine() )
         {
-            if (!line.IsEmpty())
-            {
-                wxStaticText *s1 = new wxStaticText( this, -1, line );
-                box->Add( s1 );
-                line = wxT("");
-            }
-            else
+            OnNewLine();
+
+            lastSpace = NULL;
+            line.clear();
+            lineStart = p;
+        }
+
+        if ( *p == _T('\n') || *p == _T('\0') )
+        {
+            DoOutputLine(line);
+
+            if ( *p == _T('\0') )
+                break;
+        }
+        else // not EOL
+        {
+            if ( *p == _T(' ') )
+                lastSpace = p;
+
+            line += *p;
+
+            if ( widthMax >= 0 && lastSpace )
             {
-                box->Add( 5, y );
+                int width;
+                win->GetTextExtent(line, &width, NULL);
+
+                if ( width > widthMax )
+                {
+                    // remove the last word from this line
+                    line.erase(lastSpace - lineStart, p + 1 - lineStart);
+                    DoOutputLine(line);
+
+                    // go back to the last word of this line which we didn't
+                    // output yet
+                    p = lastSpace;
+                }
             }
+            //else: no wrapping at all or impossible to wrap
         }
-        else
+    }
+}
+
+class wxTextSizerWrapper : public wxTextWrapper
+{
+public:
+    wxTextSizerWrapper(wxWindow *win)
+    {
+        m_win = win;
+        m_hLine = 0;
+    }
+
+    wxSizer *CreateSizer(const wxString& text, int widthMax)
+    {
+        m_sizer = new wxBoxSizer(wxVERTICAL);
+        Wrap(m_win, text, widthMax);
+        return m_sizer;
+    }
+
+protected:
+    virtual void OnOutputLine(const wxString& line)
+    {
+        if ( !line.empty() )
         {
-            line += message[pos];
+            m_sizer->Add(new wxStaticText(m_win, wxID_ANY, line));
+        }
+        else // empty line, no need to create a control for it
+        {
+            if ( !m_hLine )
+                m_hLine = m_win->GetCharHeight();
+
+            m_sizer->Add(5, m_hLine);
         }
     }
 
-    // remaining text behind last '\n'
-    if (!line.IsEmpty())
+private:
+    wxWindow *m_win;
+    wxSizer *m_sizer;
+    int m_hLine;
+};
+
+wxSizer *wxDialogBase::CreateTextSizer(const wxString& message)
+{
+    // I admit that this is complete bogus, but it makes
+    // message boxes work for pda screens temporarily..
+    int widthMax = -1;
+    const bool is_pda = wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA;
+    if (is_pda)
     {
-        wxStaticText *s2 = new wxStaticText( this, -1, line );
-        box->Add( s2 );
+        widthMax = wxSystemSettings::GetMetric( wxSYS_SCREEN_X ) - 25;
     }
 
-    return box;
+    // '&' is used as accel mnemonic prefix in the wxWidgets controls but in
+    // the static messages created by CreateTextSizer() (used by wxMessageBox,
+    // for example), we don't want this special meaning, so we need to quote it
+    wxString text(message);
+    text.Replace(_T("&"), _T("&&"));
+
+    wxTextSizerWrapper wrapper(this);
+
+    return wrapper.CreateSizer(text, widthMax);
 }
 
-wxSizer *wxDialogBase::CreateButtonSizer( long flags )
+class wxLabelWrapper : public wxTextWrapper
 {
-    wxBoxSizer *box = new wxBoxSizer( wxHORIZONTAL );
+public:
+    void WrapLabel(wxWindow *text, int widthMax)
+    {
+        m_text.clear();
+        Wrap(text, text->GetLabel(), widthMax);
+        text->SetLabel(m_text);
+    }
+
+protected:
+    virtual void OnOutputLine(const wxString& line)
+    {
+        m_text += line;
+    }
 
-#if defined(__WXMSW__) || defined(__WXMAC__)
-    static const int margin = 6;
+    virtual void OnNewLine()
+    {
+        m_text += _T('\n');
+    }
+
+private:
+    wxString m_text;
+};
+
+// NB: don't "factor out" the scope operator, SGI MIPSpro 7.3 (but not 7.4)
+//     gets confused if it doesn't immediately follow the class name
+void
+#if defined(__WXGTK__) && !defined(__WXUNIVERSAL__)
+wxStaticText::
 #else
-    static const int margin = 10;
+wxStaticTextBase::
 #endif
+Wrap(int width)
+{
+    wxLabelWrapper wrapper;
+    wrapper.WrapLabel(this, width);
+}
 
-    wxButton *ok = (wxButton *) NULL;
-    wxButton *cancel = (wxButton *) NULL;
-    wxButton *yes = (wxButton *) NULL;
-    wxButton *no = (wxButton *) NULL;
+#endif // wxUSE_STATTEXT
 
-    // always show an OK button, unless only YES_NO is given
-    if ((flags & wxYES_NO) == 0) flags = flags | wxOK;
+wxSizer *wxDialogBase::CreateButtonSizer(long flags)
+{
+    wxSizer *sizer = NULL;
 
-    if (flags & wxYES_NO)
-    {
-        yes = new wxButton( this, wxID_YES, _("Yes") );
-        box->Add( yes, 0, wxLEFT|wxRIGHT, margin );
-        no = new wxButton( this, wxID_NO, _("No") );
-        box->Add( no, 0, wxLEFT|wxRIGHT, margin );
-    } else
-    if (flags & wxYES)
-    {
-        yes = new wxButton( this, wxID_YES, _("Yes") );
-        box->Add( yes, 0, wxLEFT|wxRIGHT, margin );
-    } else
-    if (flags & wxNO)
+#ifdef __SMARTPHONE__
+    wxDialog* dialog = (wxDialog*) this;
+    if ( flags & wxOK )
+        dialog->SetLeftMenu(wxID_OK);
+
+    if ( flags & wxCANCEL )
+        dialog->SetRightMenu(wxID_CANCEL);
+
+    if ( flags & wxYES )
+        dialog->SetLeftMenu(wxID_YES);
+
+    if ( flags & wxNO )
+        dialog->SetRightMenu(wxID_NO);
+#else // !__SMARTPHONE__
+
+#if wxUSE_BUTTON
+
+#ifdef __POCKETPC__
+    // PocketPC guidelines recommend for Ok/Cancel dialogs to use OK button
+    // located inside caption bar and implement Cancel functionality through
+    // Undo outside dialog. As native behaviour this will be default here but
+    // can be replaced with real wxButtons by setting the option below to 1
+    if ( (flags & ~(wxCANCEL|wxNO_DEFAULT)) != wxOK ||
+            wxSystemOptions::GetOptionInt(wxT("wince.dialog.real-ok-cancel")) )
+#endif // __POCKETPC__
     {
-        no = new wxButton( this, wxID_NO, _("No") );
-        box->Add( no, 0, wxLEFT|wxRIGHT, margin );
+        sizer = CreateStdDialogButtonSizer(flags);
     }
+#endif // wxUSE_BUTTON
+
+#endif // __SMARTPHONE__/!__SMARTPHONE__
+
+    return sizer;
+}
+
+wxSizer *wxDialogBase::CreateSeparatedButtonSizer(long flags)
+{
+    wxSizer *sizer = CreateButtonSizer(flags);
+    if ( !sizer )
+        return NULL;
+
+    // Mac Human Interface Guidelines recommend not to use static lines as
+    // grouping elements
+#if wxUSE_STATLINE && !defined(__WXMAC__)
+    wxBoxSizer *topsizer = new wxBoxSizer(wxVERTICAL);
+    topsizer->Add(new wxStaticLine(this),
+                   wxSizerFlags().Expand().DoubleBorder(wxBOTTOM));
+    topsizer->Add(sizer, wxSizerFlags().Expand());
+    sizer = topsizer;
+#endif // wxUSE_STATLINE
+
+    return sizer;
+}
+
+#if wxUSE_BUTTON
+
+wxStdDialogButtonSizer *wxDialogBase::CreateStdDialogButtonSizer( long flags )
+{
+    wxStdDialogButtonSizer *sizer = new wxStdDialogButtonSizer();
+
+    wxButton *ok = NULL;
+    wxButton *yes = NULL;
+    wxButton *no = NULL;
 
     if (flags & wxOK)
     {
-        ok = new wxButton( this, wxID_OK, _("OK") );
-        box->Add( ok, 0, wxLEFT|wxRIGHT, margin );
+        ok = new wxButton(this, wxID_OK);
+        sizer->AddButton(ok);
     }
 
-    if (flags & wxFORWARD)
-        box->Add( new wxButton( this, wxID_FORWARD, _("Forward")  ), 0, wxLEFT|wxRIGHT, margin );
-
-    if (flags & wxBACKWARD)
-        box->Add( new wxButton( this, wxID_BACKWARD, _("Backward")  ), 0, wxLEFT|wxRIGHT, margin );
+    if (flags & wxCANCEL)
+    {
+        wxButton *cancel = new wxButton(this, wxID_CANCEL);
+        sizer->AddButton(cancel);
+    }
 
-    if (flags & wxSETUP)
-        box->Add( new wxButton( this, wxID_SETUP, _("Setup")  ), 0, wxLEFT|wxRIGHT, margin );
+    if (flags & wxYES)
+    {
+        yes = new wxButton(this, wxID_YES);
+        sizer->AddButton(yes);
+    }
 
-    if (flags & wxMORE)
-        box->Add( new wxButton( this, wxID_MORE, _("More...")  ), 0, wxLEFT|wxRIGHT, margin );
+    if (flags & wxNO)
+    {
+        no = new wxButton(this, wxID_NO);
+        sizer->AddButton(no);
+    }
 
     if (flags & wxHELP)
-        box->Add( new wxButton( this, wxID_HELP, _("Help")  ), 0, wxLEFT|wxRIGHT, margin );
-
-    if (flags & wxCANCEL)
     {
-        cancel = new wxButton( this, wxID_CANCEL, _("Cancel") );
-        box->Add( cancel, 0, wxLEFT|wxRIGHT, margin );
+        wxButton *help = new wxButton(this, wxID_HELP);
+        sizer->AddButton(help);
     }
 
     if (flags & wxNO_DEFAULT)
@@ -171,6 +399,164 @@ wxSizer *wxDialogBase::CreateButtonSizer( long flags )
         }
     }
 
-    return box;
+    if (flags & wxOK)
+        SetAffirmativeId(wxID_OK);
+    else if (flags & wxYES)
+        SetAffirmativeId(wxID_YES);
+
+    sizer->Realize();
+
+    return sizer;
+}
+
+#endif // wxUSE_BUTTON
+
+// ----------------------------------------------------------------------------
+// standard buttons handling
+// ----------------------------------------------------------------------------
+
+void wxDialogBase::EndDialog(int rc)
+{
+    if ( IsModal() )
+        EndModal(rc);
+    else
+        Hide();
+}
+
+void wxDialogBase::AcceptAndClose()
+{
+    if ( Validate() && TransferDataFromWindow() )
+    {
+        EndDialog(m_affirmativeId);
+    }
+}
+
+void wxDialogBase::SetAffirmativeId(int affirmativeId)
+{
+    m_affirmativeId = affirmativeId;
+}
+
+void wxDialogBase::SetEscapeId(int escapeId)
+{
+    m_escapeId = escapeId;
 }
 
+bool wxDialogBase::EmulateButtonClickIfPresent(int id)
+{
+#if wxUSE_BUTTON
+    wxButton *btn = wxDynamicCast(FindWindow(id), wxButton);
+
+    if ( !btn || !btn->IsEnabled() || !btn->IsShown() )
+        return false;
+
+    wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, id);
+    event.SetEventObject(btn);
+    btn->GetEventHandler()->ProcessEvent(event);
+
+    return true;
+#else // !wxUSE_BUTTON
+    wxUnusedVar(id);
+    return false;
+#endif // wxUSE_BUTTON/!wxUSE_BUTTON
+}
+
+bool wxDialogBase::IsEscapeKey(const wxKeyEvent& event)
+{
+    // for most platforms, Esc key is used to close the dialogs
+    return event.GetKeyCode() == WXK_ESCAPE &&
+                event.GetModifiers() == wxMOD_NONE;
+}
+
+void wxDialogBase::OnCharHook(wxKeyEvent& event)
+{
+    if ( event.GetKeyCode() == WXK_ESCAPE )
+    {
+        int idCancel = GetEscapeId();
+        switch ( idCancel )
+        {
+            case wxID_NONE:
+                // don't handle Esc specially at all
+                break;
+
+            case wxID_ANY:
+                // this value is special: it means translate Esc to wxID_CANCEL
+                // but if there is no such button, then fall back to wxID_OK
+                if ( EmulateButtonClickIfPresent(wxID_CANCEL) )
+                    return;
+                idCancel = GetAffirmativeId();
+                // fall through
+
+            default:
+                // translate Esc to button press for the button with given id
+                if ( EmulateButtonClickIfPresent(idCancel) )
+                    return;
+        }
+    }
+
+    event.Skip();
+}
+
+void wxDialogBase::OnButton(wxCommandEvent& event)
+{
+    const int id = event.GetId();
+    if ( id == GetAffirmativeId() )
+    {
+        AcceptAndClose();
+    }
+    else if ( id == wxID_APPLY )
+    {
+        if ( Validate() )
+            TransferDataFromWindow();
+
+        // TODO: disable the Apply button until things change again
+    }
+    else if ( id == GetEscapeId() ||
+                (id == wxID_CANCEL && GetEscapeId() == wxID_ANY) )
+    {
+        EndDialog(wxID_CANCEL);
+    }
+    else // not a standard button
+    {
+        event.Skip();
+    }
+}
+
+// ----------------------------------------------------------------------------
+// other event handlers
+// ----------------------------------------------------------------------------
+
+void wxDialogBase::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
+{
+    // We'll send a Cancel message by default, which may close the dialog.
+    // Check for looping if the Cancel event handler calls Close().
+
+    // Note that if a cancel button and handler aren't present in the dialog,
+    // nothing will happen when you close the dialog via the window manager, or
+    // via Close(). We wouldn't want to destroy the dialog by default, since
+    // the dialog may have been created on the stack. However, this does mean
+    // that calling dialog->Close() won't delete the dialog unless the handler
+    // for wxID_CANCEL does so. So use Destroy() if you want to be sure to
+    // destroy the dialog. The default OnCancel (above) simply ends a modal
+    // dialog, and hides a modeless dialog.
+
+    // VZ: this is horrible and MT-unsafe. Can't we reuse some of these global
+    //     lists here? don't dare to change it now, but should be done later!
+    static wxList closing;
+
+    if ( closing.Member(this) )
+        return;
+
+    closing.Append(this);
+
+    wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
+    cancelEvent.SetEventObject( this );
+    GetEventHandler()->ProcessEvent(cancelEvent); // This may close the dialog
+
+    closing.DeleteObject(this);
+}
+
+void wxDialogBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
+{
+  SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
+  Refresh();
+}