http://code.google.com/p/rpcs3/source/detail?r=44

wxWidgets/src/common/filepickercmn.cpp

@@ -0,0 +1,224 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        src/common/filepickercmn.cpp
+// Purpose:     wxFilePickerCtrl class implementation
+// Author:      Francesco Montorsi (readapted code written by Vadim Zeitlin)
+// Modified by:
+// Created:     15/04/2006
+// RCS-ID:      $Id: filepickercmn.cpp 42219 2006-10-21 19:53:05Z PC $
+// Copyright:   (c) Vadim Zeitlin, Francesco Montorsi
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#if wxUSE_FILEPICKERCTRL || wxUSE_DIRPICKERCTRL
+
+#include "wx/filepicker.h"
+#include "wx/filename.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/textctrl.h"
+#endif
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+const wxChar wxFilePickerCtrlNameStr[] = wxT("filepicker");
+const wxChar wxFilePickerWidgetNameStr[] = wxT("filepickerwidget");
+const wxChar wxDirPickerCtrlNameStr[] = wxT("dirpicker");
+const wxChar wxDirPickerWidgetNameStr[] = wxT("dirpickerwidget");
+const wxChar wxFilePickerWidgetLabel[] = wxT("Browse");
+const wxChar wxDirPickerWidgetLabel[] = wxT("Browse");
+
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_FILEPICKER_CHANGED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_DIRPICKER_CHANGED)
+IMPLEMENT_DYNAMIC_CLASS(wxFileDirPickerEvent, wxCommandEvent)
+
+// ----------------------------------------------------------------------------
+// wxFileDirPickerCtrlBase
+// ----------------------------------------------------------------------------
+
+bool wxFileDirPickerCtrlBase::CreateBase(wxWindow *parent,
+                                         wxWindowID id,
+                                         const wxString &path,
+                                         const wxString &message,
+                                         const wxString &wildcard,
+                                         const wxPoint &pos,
+                                         const wxSize &size,
+                                         long style,
+                                         const wxValidator& validator,
+                                         const wxString &name )
+{
+    wxASSERT_MSG(path.empty() || CheckPath(path), wxT("Invalid initial path!"));
+
+    if (!wxPickerBase::CreateBase(parent, id, path, pos, size,
+                                   style, validator, name))
+        return false;
+
+    if (!HasFlag(wxFLP_OPEN) && !HasFlag(wxFLP_SAVE))
+        m_windowStyle |= wxFLP_OPEN;     // wxFD_OPEN is the default
+
+    // check that the styles are not contradictory
+    wxASSERT_MSG( !(HasFlag(wxFLP_SAVE) && HasFlag(wxFLP_OPEN)),
+                  _T("can't specify both wxFLP_SAVE and wxFLP_OPEN at once") );
+
+    wxASSERT_MSG( !HasFlag(wxFLP_SAVE) || !HasFlag(wxFLP_FILE_MUST_EXIST),
+                   _T("wxFLP_FILE_MUST_EXIST can't be used with wxFLP_SAVE" ) );
+
+    wxASSERT_MSG( !HasFlag(wxFLP_OPEN) || !HasFlag(wxFLP_OVERWRITE_PROMPT),
+                  _T("wxFLP_OVERWRITE_PROMPT can't be used with wxFLP_OPEN") );
+
+    // create a wxFilePickerWidget or a wxDirPickerWidget...
+    m_pickerIface = CreatePicker(this, path, message, wildcard);
+    if ( !m_pickerIface )
+        return false;
+    m_picker = m_pickerIface->AsControl();
+
+    // complete sizer creation
+    wxPickerBase::PostCreation();
+
+    m_picker->Connect(GetEventType(),
+            wxFileDirPickerEventHandler(wxFileDirPickerCtrlBase::OnFileDirChange),
+            NULL, this);
+
+    // default's wxPickerBase textctrl limit is too small for this control:
+    // make it bigger
+    if (m_text) m_text->SetMaxLength(512);
+
+    return true;
+}
+
+wxString wxFileDirPickerCtrlBase::GetPath() const
+{
+    return m_pickerIface->GetPath();
+}
+
+void wxFileDirPickerCtrlBase::SetPath(const wxString &path)
+{
+    m_pickerIface->SetPath(path);
+    UpdateTextCtrlFromPicker();
+}
+
+void wxFileDirPickerCtrlBase::UpdatePickerFromTextCtrl()
+{
+    wxASSERT(m_text);
+
+    if (m_bIgnoreNextTextCtrlUpdate)
+    {
+        // ignore this update
+        m_bIgnoreNextTextCtrlUpdate = false;
+        return;
+    }
+
+    // remove the eventually present path-separator from the end of the textctrl
+    // string otherwise we would generate a wxFileDirPickerEvent when changing
+    // from e.g. /home/user to /home/user/ and we want to avoid it !
+    wxString newpath(GetTextCtrlValue());
+    if (!CheckPath(newpath))
+        return;       // invalid user input
+
+    if (m_pickerIface->GetPath() != newpath)
+    {
+        m_pickerIface->SetPath(newpath);
+
+        // update current working directory, if necessary
+        // NOTE: the path separator is required because if newpath is "C:"
+        //       then no change would happen
+        if (IsCwdToUpdate())
+            wxSetWorkingDirectory(newpath);
+
+        // fire an event
+        wxFileDirPickerEvent event(GetEventType(), this, GetId(), newpath);
+        GetEventHandler()->ProcessEvent(event);
+    }
+}
+
+void wxFileDirPickerCtrlBase::UpdateTextCtrlFromPicker()
+{
+    if (!m_text)
+        return;     // no textctrl to update
+
+    // NOTE: this SetValue() will generate an unwanted wxEVT_COMMAND_TEXT_UPDATED
+    //       which will trigger a unneeded UpdateFromTextCtrl(); thus before using
+    //       SetValue() we set the m_bIgnoreNextTextCtrlUpdate flag...
+    m_bIgnoreNextTextCtrlUpdate = true;
+    m_text->SetValue(m_pickerIface->GetPath());
+}
+
+
+
+// ----------------------------------------------------------------------------
+// wxFileDirPickerCtrlBase - event handlers
+// ----------------------------------------------------------------------------
+
+void wxFileDirPickerCtrlBase::OnFileDirChange(wxFileDirPickerEvent &ev)
+{
+    UpdateTextCtrlFromPicker();
+
+    // the wxFilePickerWidget sent us a colour-change notification.
+    // forward this event to our parent
+    wxFileDirPickerEvent event(GetEventType(), this, GetId(), ev.GetPath());
+    GetEventHandler()->ProcessEvent(event);
+}
+
+#endif  // wxUSE_FILEPICKERCTRL || wxUSE_DIRPICKERCTRL
+
+// ----------------------------------------------------------------------------
+// wxFileDirPickerCtrl
+// ----------------------------------------------------------------------------
+
+#if wxUSE_FILEPICKERCTRL
+
+IMPLEMENT_DYNAMIC_CLASS(wxFilePickerCtrl, wxPickerBase)
+
+bool wxFilePickerCtrl::CheckPath(const wxString& path) const
+{
+    // if wxFLP_SAVE was given or wxFLP_FILE_MUST_EXIST has NOT been given we
+    // must accept any path
+    return HasFlag(wxFLP_SAVE) ||
+            !HasFlag(wxFLP_FILE_MUST_EXIST) ||
+                wxFileName::FileExists(path);
+}
+
+wxString wxFilePickerCtrl::GetTextCtrlValue() const
+{
+    // filter it through wxFileName to remove any spurious path separator
+    return wxFileName(m_text->GetValue()).GetFullPath();
+}
+
+#endif // wxUSE_FILEPICKERCTRL
+
+// ----------------------------------------------------------------------------
+// wxDirPickerCtrl
+// ----------------------------------------------------------------------------
+
+#if wxUSE_DIRPICKERCTRL
+IMPLEMENT_DYNAMIC_CLASS(wxDirPickerCtrl, wxPickerBase)
+
+bool wxDirPickerCtrl::CheckPath(const wxString& path) const
+{
+    // if wxDIRP_DIR_MUST_EXIST has NOT been given we must accept any path
+    return !HasFlag(wxDIRP_DIR_MUST_EXIST) || wxFileName::DirExists(path);
+}
+
+wxString wxDirPickerCtrl::GetTextCtrlValue() const
+{
+    // filter it through wxFileName to remove any spurious path separator
+    return wxFileName::DirName(m_text->GetValue()).GetPath();
+}
+
+#endif // wxUSE_DIRPICKERCTRL