0832aaafb8
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@33015 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
524 lines
15 KiB
C++
524 lines
15 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: gtk/filedlg.cpp
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// Purpose: native implementation of wxFileDialog
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// Author: Robert Roebling, Zbigniew Zagorski
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// Id: $Id$
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// Copyright: (c) 1998 Robert Roebling, 2004 Zbigniew Zagorski
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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#pragma implementation "filedlggtk.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#if wxUSE_FILEDLG
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#include "wx/filedlg.h"
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#include "wx/utils.h"
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#include "wx/intl.h"
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#include "wx/filename.h"
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#include "wx/msgdlg.h"
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#include "wx/log.h"
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#include <gtk/gtk.h>
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#ifdef __WXGTK24__
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#include "wx/gtk/private.h"
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//-----------------------------------------------------------------------------
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// idle system
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//-----------------------------------------------------------------------------
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extern void wxapp_install_idle_handler();
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extern bool g_isIdle;
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//-----------------------------------------------------------------------------
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// "clicked" for OK-button
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//-----------------------------------------------------------------------------
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extern "C" {
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static void gtk_filedialog_ok_callback(GtkWidget *widget, wxFileDialog *dialog)
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{
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int style = dialog->GetStyle();
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gchar* text = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget));
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wxString filename(wxGTK_CONV_BACK(text));
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if ( filename.empty() )
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{
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// this is totally lame but better than silent error
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wxLogWarning(_("This filename can't be used by wxWidgets because it contains invalid UTF-8 characters, please rename the file."));
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return;
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}
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if ((style & wxSAVE) && (style & wxOVERWRITE_PROMPT))
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{
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if (wxFileExists(filename))
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{
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wxString msg;
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msg.Printf(
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_("File '%s' already exists, do you really want to overwrite it?"),
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filename.c_str());
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wxMessageDialog dlg(dialog, msg, _("Confirm"),
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wxYES_NO | wxICON_QUESTION);
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if (dlg.ShowModal() != wxID_YES)
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return;
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}
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}
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else if ((style & wxOPEN) && ( style & wxFILE_MUST_EXIST))
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{
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if (!wxFileExists( filename ))
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{
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wxMessageDialog dlg(dialog,
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_("Please choose an existing file."),
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_("Error"), wxOK | wxICON_ERROR);
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dlg.ShowModal();
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return;
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}
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}
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// change to the directory where the user went if asked
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if (style & wxCHANGE_DIR)
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{
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wxString cwd;
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wxSplitPath(filename, &cwd, NULL, NULL);
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if (cwd != wxGetCwd())
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{
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wxSetWorkingDirectory(cwd);
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}
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}
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dialog->SetPath(filename);
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dialog->UpdateFromDialog();
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wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
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event.SetEventObject(dialog);
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dialog->GetEventHandler()->ProcessEvent(event);
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}
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}
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//-----------------------------------------------------------------------------
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// "clicked" for Cancel-button
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//-----------------------------------------------------------------------------
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extern "C" {
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static void gtk_filedialog_cancel_callback(GtkWidget *WXUNUSED(w),
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wxFileDialog *dialog)
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{
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wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
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event.SetEventObject(dialog);
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dialog->GetEventHandler()->ProcessEvent(event);
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}
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}
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extern "C" {
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static void gtk_filedialog_response_callback(GtkWidget *w,
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int response,
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wxFileDialog *dialog)
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{
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wxapp_install_idle_handler();
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if (response == GTK_RESPONSE_ACCEPT)
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gtk_filedialog_ok_callback(w, dialog);
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else if (response == GTK_RESPONSE_CANCEL)
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gtk_filedialog_cancel_callback(w, dialog);
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else // "delete"
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{
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gtk_filedialog_cancel_callback(w, dialog);
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dialog->m_destroyed_by_delete = true;
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}
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}
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}
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#endif // __WXGTK24__
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//-----------------------------------------------------------------------------
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// wxFileDialog
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//-----------------------------------------------------------------------------
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IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxGenericFileDialog)
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BEGIN_EVENT_TABLE(wxFileDialog,wxGenericFileDialog)
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EVT_BUTTON(wxID_OK, wxFileDialog::OnFakeOk)
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END_EVENT_TABLE()
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wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
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const wxString& defaultDir,
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const wxString& defaultFileName,
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const wxString& wildCard,
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long style, const wxPoint& pos)
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: wxGenericFileDialog(parent, message, defaultDir, defaultFileName,
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wildCard, style, pos, true )
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{
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#ifdef __WXGTK24__
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if (!gtk_check_version(2,4,0))
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{
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m_needParent = false;
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m_destroyed_by_delete = false;
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if (!PreCreation(parent, pos, wxDefaultSize) ||
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!CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
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wxDefaultValidator, wxT("filedialog")))
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{
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wxFAIL_MSG( wxT("wxFileDialog creation failed") );
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return;
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}
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bool multiple = (style & wxMULTIPLE) == wxMULTIPLE;
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GtkFileChooserAction gtk_action;
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GtkWindow* gtk_parent = NULL;
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if (parent)
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gtk_parent = GTK_WINDOW(parent->m_widget);
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gchar* ok_btn_stock;
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if ((style & wxSAVE) == wxSAVE)
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{
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gtk_action = GTK_FILE_CHOOSER_ACTION_SAVE;
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ok_btn_stock = GTK_STOCK_SAVE;
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}
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else
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{
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gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN;
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ok_btn_stock = GTK_STOCK_OPEN;
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}
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m_widget = gtk_file_chooser_dialog_new(
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wxGTK_CONV(m_message),
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gtk_parent,
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gtk_action,
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GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
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ok_btn_stock, GTK_RESPONSE_ACCEPT,
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NULL);
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gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(m_widget), multiple);
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gtk_signal_connect(GTK_OBJECT(m_widget),
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"response",
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GTK_SIGNAL_FUNC(gtk_filedialog_response_callback),
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(gpointer*)this);
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m_path = m_dir;
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if (!m_path.empty() && m_path.Last() != wxT('/'))
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m_path += wxT('/');
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m_path += m_fileName;
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SetPath(m_path);
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SetWildcard(wildCard);
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SetFilterIndex(0);
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}
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else
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#endif
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wxGenericFileDialog::Create( parent, message, defaultDir, defaultFileName, wildCard, style, pos );
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}
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wxFileDialog::~wxFileDialog()
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{
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#ifdef __WXGTK24__
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if (!gtk_check_version(2,4,0))
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{
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if (m_destroyed_by_delete)
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m_widget = NULL;
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}
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#endif
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}
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void wxFileDialog::OnFakeOk( wxCommandEvent &event )
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{
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#ifdef __WXGTK24__
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if (!gtk_check_version(2,4,0))
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wxDialog::OnOK( event );
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else
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#endif
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wxGenericFileDialog::OnListOk( event );
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}
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int wxFileDialog::ShowModal()
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{
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#ifdef __WXGTK24__
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if (!gtk_check_version(2,4,0))
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return wxDialog::ShowModal();
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else
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#endif
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return wxGenericFileDialog::ShowModal();
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}
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bool wxFileDialog::Show( bool show )
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{
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#ifdef __WXGTK24__
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if (!gtk_check_version(2,4,0))
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return wxDialog::Show( show );
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else
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#endif
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return wxGenericFileDialog::Show( show );
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}
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void wxFileDialog::GetFilenames(wxArrayString& files) const
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{
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#ifdef __WXGTK24__
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if (!gtk_check_version(2,4,0))
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{
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GetPaths(files);
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for (size_t n = 0; n < files.GetCount(); n++ )
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{
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wxString name,ext;
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wxSplitPath(files[n], NULL, &name, &ext);
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if (!ext.empty())
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{
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name += wxT(".");
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name += ext;
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}
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files[n] = name;
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}
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}
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else
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#endif
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wxGenericFileDialog::GetFilenames( files );
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}
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void wxFileDialog::GetPaths(wxArrayString& paths) const
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{
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#ifdef __WXGTK24__
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if (!gtk_check_version(2,4,0))
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{
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paths.Empty();
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if (GetWindowStyle() & wxMULTIPLE)
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{
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GSList *gpathsi =
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gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(m_widget));
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GSList *gpaths = gpathsi;
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while (gpathsi)
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{
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wxString file = wxGTK_CONV_BACK((gchar*) gpathsi->data);
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paths.Add(file);
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g_free(gpathsi->data);
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gpathsi = gpathsi->next;
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}
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if (gpaths)
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g_slist_free(gpaths);
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}
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if ( paths.IsEmpty() )
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{
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paths.Add(m_fileName);
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}
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}
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else
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#endif
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wxGenericFileDialog::GetPaths( paths );
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}
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void wxFileDialog::SetMessage(const wxString& message)
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{
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#ifdef __WXGTK24__
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if (!gtk_check_version(2,4,0))
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{
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m_message = message;
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SetTitle(message);
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}
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else
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#endif
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wxGenericFileDialog::SetMessage( message );
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}
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void wxFileDialog::SetPath(const wxString& path)
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{
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#ifdef __WXGTK24__
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if (!gtk_check_version(2,4,0))
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{
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if (path.empty()) return;
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wxFileName fn(path);
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m_path = fn.GetFullPath();
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m_dir = fn.GetPath();
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m_fileName = fn.GetFullName();
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UpdateDialog();
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}
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else
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#endif
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wxGenericFileDialog::SetPath( path );
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}
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void wxFileDialog::SetDirectory(const wxString& dir)
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{
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#ifdef __WXGTK24__
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if (!gtk_check_version(2,4,0))
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{
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if (wxPathExists(dir))
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{
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m_dir = dir;
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m_path = wxFileName(m_dir, m_fileName).GetFullPath();
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UpdateDialog();
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}
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}
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else
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#endif
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wxGenericFileDialog::SetDirectory( dir );
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}
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void wxFileDialog::SetFilename(const wxString& name)
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{
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#ifdef __WXGTK24__
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if (!gtk_check_version(2,4,0))
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{
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m_fileName = name;
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m_path = wxFileName(m_dir, m_fileName).GetFullPath();
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UpdateDialog();
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}
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else
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#endif
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wxGenericFileDialog::SetFilename( name );
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}
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void wxFileDialog::SetWildcard(const wxString& wildCard)
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{
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#ifdef __WXGTK24__
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if (!gtk_check_version(2,4,0))
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{
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m_wildCard = wildCard;
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GtkFileChooser* chooser = GTK_FILE_CHOOSER(m_widget);
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// empty current filter list:
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GSList* ifilters = gtk_file_chooser_list_filters(chooser);
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GSList* filters = ifilters;
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while (ifilters)
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{
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gtk_file_chooser_remove_filter(chooser,GTK_FILE_FILTER(ifilters->data));
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ifilters = ifilters->next;
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}
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g_slist_free(filters);
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// parse filters
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wxArrayString wildDescriptions, wildFilters;
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if (!wxParseCommonDialogsFilter(m_wildCard, wildDescriptions, wildFilters))
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{
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wxFAIL_MSG( wxT("Wrong file type description") );
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}
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else
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{
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// add parsed to GtkChooser
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for (size_t n = 0; n < wildFilters.GetCount(); n++)
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{
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GtkFileFilter* filter = gtk_file_filter_new();
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gtk_file_filter_set_name(filter,wxGTK_CONV(wildDescriptions[n]));
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wxString after = wildFilters[n];
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do
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{
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wxString ext = after.BeforeFirst(wxT(';'));
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gtk_file_filter_add_pattern(filter,wxGTK_CONV(ext));
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if (after.Find(wxT(';')) == wxNOT_FOUND)
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break;
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after = after.AfterLast(wxT(';'));
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}
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while (!after.empty());
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gtk_file_chooser_add_filter(chooser, filter);
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}
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}
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}
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else
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#endif
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wxGenericFileDialog::SetWildcard( wildCard );
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}
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void wxFileDialog::SetFilterIndex(int filterIndex)
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{
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#ifdef __WXGTK24__
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if (!gtk_check_version(2,4,0))
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{
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m_filterIndex = filterIndex;
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GtkFileChooser *chooser = GTK_FILE_CHOOSER(m_widget);
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GSList *fnode = gtk_file_chooser_list_filters(chooser);
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GSList *filters = fnode;
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int i = 0;
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while (fnode)
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{
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if (i == filterIndex)
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{
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gtk_file_chooser_set_filter(chooser, GTK_FILE_FILTER(fnode->data));
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m_filterIndex = i;
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break;
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}
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i++;
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fnode = fnode->next;
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}
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g_slist_free(filters);
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}
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else
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#endif
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wxGenericFileDialog::SetFilterIndex( filterIndex );
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}
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void wxFileDialog::UpdateDialog()
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{
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#ifdef __WXGTK24__
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// set currently selected directory to match the path:
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if (!m_dir.empty() && wxPathExists(m_dir))
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{
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// NB: This is important -- if we set directory only and not the path,
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// then dialog will still remember old path set using previous
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// call to gtk_chooser_set_filename. If the previous directory
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// was a subdirectory of the directory we want to select now,
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// the dialog would still contain directory selector controls
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// for the subdirectory (with the parent directory selected),
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// instead of showing only the parent directory as expected.
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// This way, we force GtkFileChooser to really change the
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// directory. Finally, it doesn't have to be done if filename
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// is not empty because of the code that sets the filename below.
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if (m_fileName.empty())
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gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget),
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wxGTK_CONV(m_dir));
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gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget),
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wxGTK_CONV(m_dir));
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}
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// if the user set only the directory (e.g. by calling SetDirectory)
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// and not the default filename, then we don't want to set the filename:
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if (!m_fileName.empty())
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{
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gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget),
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wxGTK_CONV(m_path));
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// pre-fill the filename when saving, too (there's no text entry
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// control when opening a file, so it doesn't make sense to
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// do this when opening files):
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if (GetWindowStyle() & wxSAVE)
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{
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gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget),
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wxGTK_CONV(m_fileName));
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}
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}
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#endif
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}
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void wxFileDialog::UpdateFromDialog()
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{
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#ifdef __WXGTK24__
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// update filterIndex
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GSList *fnode = gtk_file_chooser_list_filters(GTK_FILE_CHOOSER(m_widget));
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GSList *filters = fnode;
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GtkFileFilter *current =
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gtk_file_chooser_get_filter(GTK_FILE_CHOOSER(m_widget));
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int i = 0;
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m_filterIndex = 0;
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while (fnode)
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{
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if (fnode->data == (gpointer)current)
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{
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m_filterIndex = i;
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break;
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}
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i++;
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fnode = fnode->next;
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}
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g_slist_free(filters);
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#endif
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}
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#endif // wxUSE_FILEDLG
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