X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ff7b1510ea7f7855091df83d75a44415dc1cba18..83c5d35ff3f22735f483edd56956b7a3baa6a798:/src/gtk/filedlg.cpp

diff --git a/src/gtk/filedlg.cpp b/src/gtk/filedlg.cpp
index 65b95e2d6e..40085781d9 100644
--- a/src/gtk/filedlg.cpp
+++ b/src/gtk/filedlg.cpp
@@ -1,167 +1,524 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        filedlg.cpp
-// Purpose:
-// Author:      Robert Roebling
-// Created:     01/02/97
-// Id:
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
+// Name:        src/gtk/filedlg.cpp
+// Purpose:     native implementation of wxFileDialog
+// Author:      Robert Roebling, Zbigniew Zagorski, Mart Raudsepp
+// Id:          $Id$
+// Copyright:   (c) 1998 Robert Roebling, 2004 Zbigniew Zagorski, 2005 Mart Raudsepp
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "filedlg.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if wxUSE_FILEDLG && defined(__WXGTK24__)
 
 #include "wx/filedlg.h"
-#include "wx/utils.h"
-#include "wx/intl.h"
-#include "wx/generic/msgdlgg.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/intl.h"
+    #include "wx/msgdlg.h"
+#endif
+
+#include <gtk/gtk.h>
+#include "wx/gtk/private.h"
+
+#include <unistd.h> // chdir
+
+#include "wx/filename.h" // wxFilename
+#include "wx/tokenzr.h" // wxStringTokenizer
+#include "wx/filefn.h" // ::wxGetCwd
 
 //-----------------------------------------------------------------------------
-// wxFileDialog
+// idle system
 //-----------------------------------------------------------------------------
 
-void gtk_filedialog_ok_callback( GtkWidget *WXUNUSED(widget), gpointer data )
-{
-  wxFileDialog *dialog = (wxFileDialog*)data;
-  wxCommandEvent event(wxEVT_NULL);
-  int style;
+extern void wxapp_install_idle_handler();
 
-  style=dialog->GetStyle();
+//-----------------------------------------------------------------------------
+// "clicked" for OK-button
+//-----------------------------------------------------------------------------
 
-  if((style&wxSAVE)&&(style&wxOVERWRITE_PROMPT))
-	if(wxFileExists(gtk_file_selection_get_filename(GTK_FILE_SELECTION(dialog->m_widget) ))) {
-	  if(wxMessageBox(_("File exists. Overwrite?"),
-	                  _("Confirm"), wxYES_NO) != wxYES)
-		return;
-	}
+extern "C" {
+static void gtk_filedialog_ok_callback(GtkWidget *widget, wxFileDialog *dialog)
+{
+    int style = dialog->GetWindowStyle();
+    wxGtkString filename(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget)));
 
-  dialog->OnOK( event );
+    // gtk version numbers must be identical with the one in ctor (that calls set_do_overwrite_confirmation)
+#if GTK_CHECK_VERSION(2,7,3)
+    if(gtk_check_version(2,7,3) != NULL)
+#endif
+    if ((style & wxFD_SAVE) && (style & wxFD_OVERWRITE_PROMPT))
+    {
+        if ( g_file_test(filename, G_FILE_TEST_EXISTS) )
+        {
+            wxString msg;
+
+            msg.Printf(
+                _("File '%s' already exists, do you really want to overwrite it?"),
+                wxString(wxConvFileName->cMB2WX(filename)).c_str());
+
+            wxMessageDialog dlg(dialog, msg, _("Confirm"),
+                               wxYES_NO | wxICON_QUESTION);
+            if (dlg.ShowModal() != wxID_YES)
+                return;
+        }
+    }
+
+    // change to the directory where the user went if asked
+    if (style & wxFD_CHANGE_DIR)
+    {
+        // Use chdir to not care about filename encodings
+        wxGtkString folder(g_path_get_dirname(filename));
+        chdir(folder);
+    }
+
+    wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
+    event.SetEventObject(dialog);
+    dialog->GetEventHandler()->ProcessEvent(event);
+}
 }
 
-void gtk_filedialog_cancel_callback( GtkWidget *WXUNUSED(widget), gpointer data )
+//-----------------------------------------------------------------------------
+// "clicked" for Cancel-button
+//-----------------------------------------------------------------------------
+
+extern "C"
+{
+
+static void gtk_filedialog_cancel_callback(GtkWidget *w, wxFileDialog *dialog)
 {
-  wxFileDialog *dialog = (wxFileDialog*)data;
-  wxCommandEvent event(wxEVT_NULL);
-  dialog->OnCancel( event );
+    wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
+    event.SetEventObject(dialog);
+    dialog->GetEventHandler()->ProcessEvent(event);
 }
 
-IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxDialog)
+static void gtk_filedialog_response_callback(GtkWidget *w,
+                                             gint response,
+                                             wxFileDialog *dialog)
+{
+    wxapp_install_idle_handler();
+
+    if (response == GTK_RESPONSE_ACCEPT)
+        gtk_filedialog_ok_callback(w, dialog);
+    else    // GTK_RESPONSE_CANCEL or GTK_RESPONSE_NONE
+        gtk_filedialog_cancel_callback(w, dialog);
+}
 
-wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
-        const wxString& defaultDir, const wxString& defaultFileName,
-  const wxString& wildCard,
-        long style, const wxPoint& pos )
+static void gtk_filedialog_update_preview_callback(GtkFileChooser *chooser,
+                                                   gpointer user_data)
 {
-  m_needParent = FALSE;
+#if GTK_CHECK_VERSION(2,4,0)
+    GtkWidget *preview = GTK_WIDGET(user_data);
+
+    wxGtkString filename(gtk_file_chooser_get_preview_filename(chooser));
+
+    if ( !filename )
+        return;
+
+    GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file_at_size(filename, 128, 128, NULL);
+    gboolean have_preview = pixbuf != NULL;
+
+    gtk_image_set_from_pixbuf(GTK_IMAGE(preview), pixbuf);
+    if ( pixbuf )
+        g_object_unref (pixbuf);
+
+    gtk_file_chooser_set_preview_widget_active(chooser, have_preview);
+#else
+    wxUnusedVar(chooser);
+    wxUnusedVar(user_data);
+#endif // GTK+ 2.4+
+}
+
+} // extern "C"
+
 
-  PreCreation( parent, -1, pos, wxDefaultSize, style | wxDIALOG_MODAL, "filedialog" );
-  m_message = message;
-  m_path = "";
-  m_fileName = defaultFileName;
-  m_dir = defaultDir;
-  m_wildCard = wildCard;
-  m_dialogStyle = style;
-  m_filterIndex = 1;
+//-----------------------------------------------------------------------------
+// wxFileDialog
+//-----------------------------------------------------------------------------
 
-  m_widget = gtk_file_selection_new(_("File selection"));
-  
-  int x = (gdk_screen_width () - 400) / 2;
-  int y = (gdk_screen_height () - 400) / 2;
-  gtk_widget_set_uposition( m_widget, x, y );
-  
-  GtkFileSelection *sel = GTK_FILE_SELECTION(m_widget);
+IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxGenericFileDialog)
 
-  m_path.Append(m_dir);
-  if(! m_path.IsEmpty() && m_path.Last()!='/') m_path.Append('/');
-  m_path.Append(m_fileName);
+BEGIN_EVENT_TABLE(wxFileDialog,wxGenericFileDialog)
+    EVT_BUTTON(wxID_OK, wxFileDialog::OnFakeOk)
+END_EVENT_TABLE()
 
-  if(m_path.Length()>1) gtk_file_selection_set_filename(sel,m_path);
+wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
+                           const wxString& defaultDir,
+                           const wxString& defaultFileName,
+                           const wxString& wildCard,
+                           long style, const wxPoint& pos,
+                           const wxSize& sz,
+                           const wxString& name)
+    : wxGenericFileDialog(parent, message, defaultDir, defaultFileName,
+                          wildCard, style, pos, sz, name, true )
+{
+    if (gtk_check_version(2,4,0))
+    {
+        wxGenericFileDialog::Create( parent, message, defaultDir,
+                                     defaultFileName, wildCard, style, pos );
+        return;
+    }
+
+    m_needParent = false;
+
+    if (!PreCreation(parent, pos, wxDefaultSize) ||
+        !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
+                wxDefaultValidator, wxT("filedialog")))
+    {
+        wxFAIL_MSG( wxT("wxFileDialog creation failed") );
+        return;
+    }
+
+    GtkFileChooserAction gtk_action;
+    GtkWindow* gtk_parent = NULL;
+    if (parent)
+        gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
+
+    const gchar* ok_btn_stock;
+    if ( style & wxFD_SAVE )
+    {
+        gtk_action = GTK_FILE_CHOOSER_ACTION_SAVE;
+        ok_btn_stock = GTK_STOCK_SAVE;
+    }
+    else
+    {
+        gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN;
+        ok_btn_stock = GTK_STOCK_OPEN;
+    }
+
+    m_widget = gtk_file_chooser_dialog_new(
+                   wxGTK_CONV(m_message),
+                   gtk_parent,
+                   gtk_action,
+                   GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+                   ok_btn_stock, GTK_RESPONSE_ACCEPT,
+                   NULL);
+
+    gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT);
+
+    if ( style & wxFD_MULTIPLE )
+        gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(m_widget), true);
+
+    // gtk_widget_hide_on_delete is used here to avoid that Gtk automatically destroys
+    // the dialog when the user press ESC on the dialog: in that case a second call to
+    // ShowModal() would result in a bunch of Gtk-CRITICAL errors...
+    g_signal_connect (G_OBJECT(m_widget),
+                    "delete_event",
+                    G_CALLBACK (gtk_widget_hide_on_delete),
+                    (gpointer)this);
+
+    // local-only property could be set to false to allow non-local files to be loaded.
+    // In that case get/set_uri(s) should be used instead of get/set_filename(s) everywhere
+    // and the GtkFileChooserDialog should probably also be created with a backend,
+    // e.g "gnome-vfs", "default", ... (gtk_file_chooser_dialog_new_with_backend).
+    // Currently local-only is kept as the default - true:
+    // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
+
+    g_signal_connect (m_widget, "response",
+        G_CALLBACK (gtk_filedialog_response_callback), this);
+
+    SetWildcard(wildCard);
+
+    if ( style & wxFD_SAVE )
+    {
+        if ( !defaultDir.empty() )
+            gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget),
+            wxConvFileName->cWX2MB(defaultDir));
+
+        gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget),
+            wxGTK_CONV(defaultFileName));
+
+#if GTK_CHECK_VERSION(2,7,3)
+        if ((style & wxFD_OVERWRITE_PROMPT) && !gtk_check_version(2,7,3))
+            gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(m_widget), TRUE);
+#endif
+    }
+    else // wxFD_OPEN
+    {
+        if ( !defaultFileName.empty() )
+        {
+            wxString dir;
+            if ( defaultDir.empty() )
+                dir = ::wxGetCwd();
+            else
+                dir = defaultDir;
+
+            gtk_file_chooser_set_filename(
+                GTK_FILE_CHOOSER(m_widget),
+                wxConvFileName->cWX2MB( wxFileName(dir, defaultFileName).GetFullPath() ) );
+        }
+        else if ( !defaultDir.empty() )
+        {
+            gtk_file_chooser_set_current_folder( GTK_FILE_CHOOSER(m_widget),
+                wxConvFileName->cWX2MB(defaultDir) );
+        }
+    }
+
+#if GTK_CHECK_VERSION(2,4,0)
+    if ( style & wxFD_PREVIEW )
+    {
+        GtkWidget *previewImage = gtk_image_new();
+
+        gtk_file_chooser_set_preview_widget(GTK_FILE_CHOOSER(m_widget),
+                                            previewImage);
+        g_signal_connect(m_widget, "update-preview",
+                         G_CALLBACK(gtk_filedialog_update_preview_callback),
+                         previewImage);
+    }
+#endif // GTK+ 2.4+
+}
 
-  gtk_signal_connect( GTK_OBJECT(sel->ok_button), "clicked",
-    GTK_SIGNAL_FUNC(gtk_filedialog_ok_callback), (gpointer*)this );
+void wxFileDialog::OnFakeOk( wxCommandEvent &event )
+{
+    if (!gtk_check_version(2,4,0))
+        EndDialog(wxID_OK);
+    else
+        wxGenericFileDialog::OnListOk( event );
+}
 
-  gtk_signal_connect( GTK_OBJECT(sel->cancel_button), "clicked",
-    GTK_SIGNAL_FUNC(gtk_filedialog_cancel_callback), (gpointer*)this );
+int wxFileDialog::ShowModal()
+{
+    if (!gtk_check_version(2,4,0))
+        return wxDialog::ShowModal();
+    else
+        return wxGenericFileDialog::ShowModal();
 }
 
-int wxFileDialog::ShowModal(void)
+bool wxFileDialog::Show( bool show )
 {
-  int ret = wxDialog::ShowModal();
+    if (!gtk_check_version(2,4,0))
+        return wxDialog::Show( show );
+    else
+        return wxGenericFileDialog::Show( show );
+}
 
-  if (ret == wxID_OK)
-  {
-    m_fileName = gtk_file_selection_get_filename( GTK_FILE_SELECTION(m_widget) );
-    m_path = gtk_file_selection_get_filename( GTK_FILE_SELECTION(m_widget) );
-  }
-  return ret;
+void wxFileDialog::DoSetSize(int x, int y, int width, int height, int sizeFlags )
+{
+    if (!m_wxwindow)
+        return;
+    else
+        wxGenericFileDialog::DoSetSize( x, y, width, height, sizeFlags );
 }
 
+wxString wxFileDialog::GetPath() const
+{
+    if (!gtk_check_version(2,4,0))
+    {
+        wxGtkString str(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget)));
+        return wxConvFileName->cMB2WX(str);
+    }
+
+    return wxGenericFileDialog::GetPath();
+}
 
-char *wxFileSelector(const char *title,
-                     const char *defaultDir, const char *defaultFileName,
-                     const char *defaultExtension, const char *filter, int flags,
-                     wxWindow *parent, int x, int y)
+void wxFileDialog::GetFilenames(wxArrayString& files) const
 {
-  wxString filter2("");
-  if ( defaultExtension && !filter )
-    filter2 = wxString("*.") + wxString(defaultExtension) ;
-  else if ( filter )
-    filter2 = filter;
+    if (!gtk_check_version(2,4,0))
+    {
+        GetPaths(files);
+        for (size_t n = 0; n < files.GetCount(); ++n )
+        {
+            wxFileName file(files[n]);
+            files[n] = file.GetFullName();
+        }
+    }
+    else
+        wxGenericFileDialog::GetFilenames( files );
+}
 
-  wxString defaultDirString;
-  if (defaultDir)
-    defaultDirString = defaultDir;
-  else
-    defaultDirString = "";
+void wxFileDialog::GetPaths(wxArrayString& paths) const
+{
+    if (!gtk_check_version(2,4,0))
+    {
+        paths.Empty();
+        if (gtk_file_chooser_get_select_multiple(GTK_FILE_CHOOSER(m_widget)))
+        {
+            GSList *gpathsi = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(m_widget));
+            GSList *gpaths = gpathsi;
+            while (gpathsi)
+            {
+                wxString file(wxConvFileName->cMB2WX((gchar*) gpathsi->data));
+                paths.Add(file);
+                g_free(gpathsi->data);
+                gpathsi = gpathsi->next;
+            }
+
+            g_slist_free(gpaths);
+        }
+        else
+            paths.Add(GetPath());
+    }
+    else
+        wxGenericFileDialog::GetPaths( paths );
+}
 
-  wxString defaultFilenameString;
-  if (defaultFileName)
-    defaultFilenameString = defaultFileName;
-  else
-    defaultFilenameString = "";
+void wxFileDialog::SetMessage(const wxString& message)
+{
+    if (!gtk_check_version(2,4,0))
+    {
+        m_message = message;
+        SetTitle(message);
+    }
+    else
+        wxGenericFileDialog::SetMessage( message );
+}
 
-  wxFileDialog fileDialog(parent, title, defaultDirString, defaultFilenameString,
-    filter2, flags, wxPoint(x, y));
+void wxFileDialog::SetPath(const wxString& path)
+{
+    if (!gtk_check_version(2,4,0))
+    {
+        if (path.empty()) return;
+
+        gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(path));
+    }
+    else
+        wxGenericFileDialog::SetPath( path );
+}
 
-  if ( fileDialog.ShowModal() == wxID_OK )
-  {
-    strcpy(wxBuffer, (const char *)fileDialog.GetPath());
-    return wxBuffer;
-  }
-  else
-    return NULL;
+void wxFileDialog::SetDirectory(const wxString& dir)
+{
+    if (!gtk_check_version(2,4,0))
+    {
+        if (wxDirExists(dir))
+        {
+            gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(dir));
+        }
+    }
+    else
+        wxGenericFileDialog::SetDirectory( dir );
 }
 
-char* wxLoadFileSelector(const char *what, const char *extension, const char *default_name,
-         wxWindow *parent )
+wxString wxFileDialog::GetDirectory() const
 {
-  char *ext = (char *)extension;
+    if (!gtk_check_version(2,4,0))
+    {
+        wxGtkString str(gtk_file_chooser_get_current_folder(GTK_FILE_CHOOSER(m_widget)));
+        return wxConvFileName->cMB2WX(str);
+    }
 
-  char prompt[50];
-  wxString str = _("Load %s file");
-  sprintf(prompt, str, what);
+    return wxGenericFileDialog::GetDirectory();
+}
 
-  if (*ext == '.') ext++;
-  char wild[60];
-  sprintf(wild, "*.%s", ext);
+void wxFileDialog::SetFilename(const wxString& name)
+{
+    if (!gtk_check_version(2,4,0))
+    {
+        if (HasFdFlag(wxFD_SAVE))
+            gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget), wxGTK_CONV(name));
+        else
+            SetPath(wxFileName(GetDirectory(), name).GetFullPath());
+    }
+    else
+        wxGenericFileDialog::SetFilename( name );
+}
 
-  return wxFileSelector (prompt, NULL, default_name, ext, wild, 0, parent);
+wxString wxFileDialog::GetFilename() const
+{
+    if (!gtk_check_version(2,4,0))
+        return wxFileName(GetPath()).GetFullName();
+    else
+        return wxGenericFileDialog::GetFilename();
 }
 
-char* wxSaveFileSelector(const char *what, const char *extension, const char *default_name,
-         wxWindow *parent )
+void wxFileDialog::SetWildcard(const wxString& wildCard)
 {
-  char *ext = (char *)extension;
+    if (!gtk_check_version(2,4,0))
+    {
+        // parse filters
+        wxArrayString wildDescriptions, wildFilters;
+        if (!wxParseCommonDialogsFilter(wildCard, wildDescriptions, wildFilters))
+        {
+            wxFAIL_MSG( wxT("wxFileDialog::SetWildCard - bad wildcard string") );
+        }
+        else
+        {
+            // Parsing went fine. Set m_wildCard to be returned by wxFileDialogBase::GetWildcard
+            m_wildCard = wildCard;
+
+            GtkFileChooser* chooser = GTK_FILE_CHOOSER(m_widget);
+
+            // empty current filter list:
+            GSList* ifilters = gtk_file_chooser_list_filters(chooser);
+            GSList* filters = ifilters;
+
+            while (ifilters)
+            {
+                gtk_file_chooser_remove_filter(chooser,GTK_FILE_FILTER(ifilters->data));
+                ifilters = ifilters->next;
+            }
+            g_slist_free(filters);
+
+            // add parsed to GtkChooser
+            for (size_t n = 0; n < wildFilters.GetCount(); ++n)
+            {
+                GtkFileFilter* filter = gtk_file_filter_new();
+                gtk_file_filter_set_name(filter, wxGTK_CONV(wildDescriptions[n]));
+
+                wxStringTokenizer exttok(wildFilters[n], wxT(";"));
+                while (exttok.HasMoreTokens())
+                {
+                    wxString token = exttok.GetNextToken();
+                    gtk_file_filter_add_pattern(filter, wxGTK_CONV(token));
+                }
+
+                gtk_file_chooser_add_filter(chooser, filter);
+            }
+
+            // Reset the filter index
+            SetFilterIndex(0);
+        }
+    }
+    else
+        wxGenericFileDialog::SetWildcard( wildCard );
+}
 
-  char prompt[50];
-  wxString str = _("Save %s file");
-  sprintf(prompt, str, what);
+void wxFileDialog::SetFilterIndex(int filterIndex)
+{
 
-  if (*ext == '.') ext++;
-  char wild[60];
-  sprintf(wild, "*.%s", ext);
+    if (!gtk_check_version(2,4,0))
+    {
+        gpointer filter;
+        GtkFileChooser *chooser = GTK_FILE_CHOOSER(m_widget);
+        GSList *filters = gtk_file_chooser_list_filters(chooser);
+
+        filter = g_slist_nth_data(filters, filterIndex);
+
+        if (filter != NULL)
+        {
+            gtk_file_chooser_set_filter(chooser, GTK_FILE_FILTER(filter));
+        }
+        else
+        {
+            wxFAIL_MSG( wxT("wxFileDialog::SetFilterIndex - bad filter index") );
+        }
+
+        g_slist_free(filters);
+    }
+    else
+        wxGenericFileDialog::SetFilterIndex( filterIndex );
+}
 
-  return wxFileSelector (prompt, NULL, default_name, ext, wild, 0, parent);
+int wxFileDialog::GetFilterIndex() const
+{
+    if (!gtk_check_version(2,4,0))
+    {
+        GtkFileChooser *chooser = GTK_FILE_CHOOSER(m_widget);
+        GtkFileFilter *filter = gtk_file_chooser_get_filter(chooser);
+        GSList *filters = gtk_file_chooser_list_filters(chooser);
+        gint index = g_slist_index(filters, filter);
+        g_slist_free(filters);
+
+        if (index == -1)
+        {
+            wxFAIL_MSG( wxT("wxFileDialog::GetFilterIndex - bad filter index returned by gtk+") );
+            return 0;
+        }
+        else
+            return index;
+    }
+    else
+                return wxGenericFileDialog::GetFilterIndex();
 }
 
+#endif // wxUSE_FILEDLG &&  __WXGTK24__