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Fix memory leak when a spacer is added, and crash when a window is added before wxSiz...
[wxWidgets.git] / src / gtk1 / filedlg.cpp
diff --git a/src/gtk1/filedlg.cpp b/src/gtk1/filedlg.cpp
index b28750152af75c763e54c2b2c75fef3d8b1e5708..61925cde04bf84eb4764f15b1f8c91f54538b1ca 100644 (file)
--- a/src/gtk1/filedlg.cpp
+++ b/src/gtk1/filedlg.cpp
@@ -1,22 +1,38 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        gtk/filedlg.cpp
 /////////////////////////////////////////////////////////////////////////////
 // Name:        gtk/filedlg.cpp
-// Purpose:
-// Author:      Robert Roebling
+// Purpose:     native implementation of wxFileDialog
+// Author:      Robert Roebling, Zbigniew Zagorski, Mart Raudsepp
 // Id:          $Id$
 // Id:          $Id$
-// Copyright:   (c) 1998 Robert Roebling
+// Copyright:   (c) 1998 Robert Roebling, 2004 Zbigniew Zagorski, 2005 Mart Raudsepp
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "filedlg.h"
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+#pragma implementation "filedlggtk.h"
 #endif
 
 #endif
 
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+// Include setup.h to get wxUSE flags for compilers that do not support precompilation of headers
+#include "wx/setup.h"
+
+#if wxUSE_FILEDLG
+
 #include "wx/filedlg.h"
 #include "wx/filedlg.h"
-#include "wx/utils.h"
-#include "wx/intl.h"
-#include "wx/generic/msgdlgg.h"
+
+#ifdef __WXGTK24__
 
 #include <gtk/gtk.h>
 
 #include <gtk/gtk.h>
+#include "wx/gtk/private.h"
+
+#include <unistd.h> // chdir
+
+#include "wx/intl.h"
+#include "wx/filename.h" // wxFilename
+#include "wx/tokenzr.h" // wxStringTokenizer
+#include "wx/filefn.h" // ::wxGetCwd
+#include "wx/msgdlg.h" // wxMessageDialog
 
 //-----------------------------------------------------------------------------
 // idle system
 
 //-----------------------------------------------------------------------------
 // idle system
@@ -26,161 +42,468 @@ extern void wxapp_install_idle_handler();
 extern bool g_isIdle;
 
 //-----------------------------------------------------------------------------
 extern bool g_isIdle;
 
 //-----------------------------------------------------------------------------
-// "delete_event"
+// "clicked" for OK-button
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 
-static
-bool gtk_filedialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win )
+extern "C" {
+static void gtk_filedialog_ok_callback(GtkWidget *widget, wxFileDialog *dialog)
 {
 {
-    if (g_isIdle) wxapp_install_idle_handler();
+    int style = dialog->GetStyle();
+    gchar* filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget));
+
+    if ((style & wxSAVE) && (style & wxOVERWRITE_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;
+        }
+    }
 
 
-/*
-    printf( "OnDelete from " );
-    if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
-        printf( win->GetClassInfo()->GetClassName() );
-    printf( ".\n" );
-*/
+    // change to the directory where the user went if asked
+    if (style & wxCHANGE_DIR)
+    {
+        // Use chdir to not care about filename encodings
+        gchar* folder = g_path_get_dirname(filename);
+        chdir(folder);
+        g_free(folder);
+    }
 
 
-    win->Close();
+    g_free(filename);
 
 
-    return TRUE;
+    wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
+    event.SetEventObject(dialog);
+    dialog->GetEventHandler()->ProcessEvent(event);
+}
 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------
-// "clicked" for OK-button
+// "clicked" for Cancel-button
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 
-static
-void gtk_filedialog_ok_callback( GtkWidget *WXUNUSED(widget), wxFileDialog *dialog )
+extern "C" {
+static void gtk_filedialog_cancel_callback(GtkWidget *WXUNUSED(w),
+                                           wxFileDialog *dialog)
 {
 {
-    if (g_isIdle) wxapp_install_idle_handler();
+    wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
+    event.SetEventObject(dialog);
+    dialog->GetEventHandler()->ProcessEvent(event);
+}
+}
 
 
-    int style = dialog->GetStyle();
+extern "C" {
+static void gtk_filedialog_response_callback(GtkWidget *w,
+                                             gint response,
+                                             wxFileDialog *dialog)
+{
+    wxapp_install_idle_handler();
 
 
-    GtkFileSelection *filedlg = GTK_FILE_SELECTION(dialog->m_widget);
-    char *filename = gtk_file_selection_get_filename(filedlg);
+    if (response == GTK_RESPONSE_ACCEPT)
+        gtk_filedialog_ok_callback(w, dialog);
+    else if (response == GTK_RESPONSE_CANCEL)
+        gtk_filedialog_cancel_callback(w, dialog);
+    else // "delete"
+    {
+        gtk_filedialog_cancel_callback(w, dialog);
+        dialog->m_destroyed_by_delete = true;
+    }
+}
+}
+
+#endif // __WXGTK24__
 
 
-    if ( (style & wxSAVE) && ( style & wxOVERWRITE_PROMPT ) )
+//-----------------------------------------------------------------------------
+// wxFileDialog
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxGenericFileDialog)
+
+BEGIN_EVENT_TABLE(wxFileDialog,wxGenericFileDialog)
+    EVT_BUTTON(wxID_OK, wxFileDialog::OnFakeOk)
+END_EVENT_TABLE()
+
+wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
+                           const wxString& defaultDir,
+                           const wxString& defaultFileName,
+                           const wxString& wildCard,
+                           long style, const wxPoint& pos)
+    : wxGenericFileDialog(parent, message, defaultDir, defaultFileName,
+                       wildCard, style, pos, true )
+{
+#ifdef __WXGTK24__
+    if (!gtk_check_version(2,4,0))
     {
     {
-        if (wxFileExists( filename ))
+        wxASSERT_MSG( !( (style & wxSAVE) && (style & wxMULTIPLE) ), wxT("wxFileDialog - wxMULTIPLE used on a save dialog" ) );
+        m_needParent = false;
+        m_destroyed_by_delete = false;
+
+        if (!PreCreation(parent, pos, wxDefaultSize) ||
+            !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
+                    wxDefaultValidator, wxT("filedialog")))
         {
         {
-            wxString msg;
-            msg.Printf( _("File '%s' already exists, do you really want to "
-                         "overwrite it?"), filename);
+            wxFAIL_MSG( wxT("wxFileDialog creation failed") );
+            return;
+        }
 
 
-            if (wxMessageBox(msg, _("Confirm"), wxYES_NO) != wxYES)
-                return;
+        GtkFileChooserAction gtk_action;
+        GtkWindow* gtk_parent = NULL;
+        if (parent)
+            gtk_parent = GTK_WINDOW(parent->m_widget);
+
+        gchar* ok_btn_stock;
+        if ( style & wxSAVE )
+        {
+            gtk_action = GTK_FILE_CHOOSER_ACTION_SAVE;
+            ok_btn_stock = GTK_STOCK_SAVE;
         }
         }
-    }
-    else if ( (style & wxOPEN) && ( style & wxFILE_MUST_EXIST) )
-    {
-        if ( !wxFileExists( filename ) )
+        else
         {
         {
-            wxMessageBox(_("Please choose an existing file."), _("Error"), wxOK);
-
-            return;
+            gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN;
+            ok_btn_stock = GTK_STOCK_OPEN;
         }
         }
-    }
 
 
-    // change to the directory where the user went if asked
-    if ( style & wxCHANGE_DIR )
-    {
-        wxString cwd;
-        wxSplitPath(filename, &cwd, NULL, NULL);
+        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);
 
 
-        if ( cwd != wxGetWorkingDirectory() )
+        if ( style & wxMULTIPLE )
+            gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(m_widget), true);
+
+        // 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(G_OBJECT(m_widget), "response",
+            GTK_SIGNAL_FUNC(gtk_filedialog_response_callback), (gpointer)this);
+
+        SetWildcard(wildCard);
+
+        if ( style & wxSAVE )
         {
         {
-            wxSetWorkingDirectory(cwd);
+            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),
+                wxConvFileName->cWX2MB(defaultFileName));
+        }
+        else
+        {
+            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) );
         }
     }
         }
     }
+    else
+#endif
+        wxGenericFileDialog::Create( parent, message, defaultDir, defaultFileName, wildCard, style, pos );
+}
 
 
-    dialog->SetPath( filename );
-
-    wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
-    event.SetEventObject( dialog );
-    dialog->GetEventHandler()->ProcessEvent( event );
+wxFileDialog::~wxFileDialog()
+{
+#ifdef __WXGTK24__
+    if (!gtk_check_version(2,4,0))
+    {
+        if (m_destroyed_by_delete)
+            m_widget = NULL;
+    }
+#endif
 }
 
 }
 
-//-----------------------------------------------------------------------------
-// "clicked" for Cancel-button
-//-----------------------------------------------------------------------------
+void wxFileDialog::OnFakeOk( wxCommandEvent &event )
+{
+#ifdef __WXGTK24__
+    if (!gtk_check_version(2,4,0))
+        wxDialog::OnOK( event );
+    else
+#endif
+        wxGenericFileDialog::OnListOk( event );
+}
 
 
-static
-void gtk_filedialog_cancel_callback( GtkWidget *WXUNUSED(w), wxFileDialog *dialog )
+int wxFileDialog::ShowModal()
 {
 {
-    if (g_isIdle) wxapp_install_idle_handler();
+#ifdef __WXGTK24__
+    if (!gtk_check_version(2,4,0))
+        return wxDialog::ShowModal();
+    else
+#endif
+        return wxGenericFileDialog::ShowModal();
+}
 
 
-    wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
-    event.SetEventObject( dialog );
-    dialog->GetEventHandler()->ProcessEvent( event );
+bool wxFileDialog::Show( bool show )
+{
+#ifdef __WXGTK24__
+    if (!gtk_check_version(2,4,0))
+        return wxDialog::Show( show );
+    else
+#endif
+        return wxGenericFileDialog::Show( show );
 }
 
 }
 
-//-----------------------------------------------------------------------------
-// wxFileDialog
-//-----------------------------------------------------------------------------
+wxString wxFileDialog::GetPath() const
+{
+#ifdef __WXGTK24__
+    if (!gtk_check_version(2,4,0))
+        return wxConvFileName->cMB2WX(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget)));
+    else
+#endif
+        return wxGenericFileDialog::GetPath();
+}
 
 
-IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxFileDialogBase)
+void wxFileDialog::GetFilenames(wxArrayString& files) const
+{
+#ifdef __WXGTK24__
+    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
+#endif
+        wxGenericFileDialog::GetFilenames( files );
+}
 
 
-wxFileDialog::wxFileDialog( wxWindow *parent, const wxString& message,
-                            const wxString& defaultDir, const wxString& defaultFileName,
-                            const wxString& wildCard,
-                            long style, const wxPoint& pos )
-             :wxFileDialogBase(parent, message, defaultDir, defaultFileName, wildCard, style, pos)
+void wxFileDialog::GetPaths(wxArrayString& paths) const
 {
 {
-    m_needParent = FALSE;
+#ifdef __WXGTK24__
+    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
+#endif
+        wxGenericFileDialog::GetPaths( paths );
+}
 
 
-    if (!PreCreation( parent, pos, wxDefaultSize ) ||
-        !CreateBase( parent, -1, pos, wxDefaultSize, style | wxDIALOG_MODAL, wxDefaultValidator, wxT("filedialog") ))
+void wxFileDialog::SetMessage(const wxString& message)
+{
+#ifdef __WXGTK24__
+    if (!gtk_check_version(2,4,0))
     {
     {
-        wxFAIL_MSG( wxT("wxXX creation failed") );
-        return;
+        m_message = message;
+        SetTitle(message);
     }
     }
+    else
+#endif
+        wxGenericFileDialog::SetMessage( message );
+}
 
 
-    m_widget = gtk_file_selection_new( m_message.mbc_str() );
+void wxFileDialog::SetPath(const wxString& path)
+{
+#ifdef __WXGTK24__
+    if (!gtk_check_version(2,4,0))
+    {
+        if (path.empty()) return;
 
 
-    int x = (gdk_screen_width () - 400) / 2;
-    int y = (gdk_screen_height () - 400) / 2;
-    gtk_widget_set_uposition( m_widget, x, y );
+        gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(path));
+    }
+    else
+#endif
+        wxGenericFileDialog::SetPath( path );
+}
 
 
-    GtkFileSelection *sel = GTK_FILE_SELECTION(m_widget);
-    gtk_file_selection_hide_fileop_buttons( sel ); // they don't work anyway
+void wxFileDialog::SetDirectory(const wxString& dir)
+{
+#ifdef __WXGTK24__
+    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
+#endif
+        wxGenericFileDialog::SetDirectory( dir );
+}
 
 
-    m_path.Append(m_dir);
-    if( ! m_path.IsEmpty() && m_path.Last()!=wxT('/') )
-        m_path.Append('/');
-    m_path.Append(m_fileName);
+wxString wxFileDialog::GetDirectory() const
+{
+#ifdef __WXGTK24__
+    if (!gtk_check_version(2,4,0))
+        return wxConvFileName->cMB2WX(
+            gtk_file_chooser_get_current_folder( GTK_FILE_CHOOSER(m_widget) ) );
+    else
+#endif
+        return wxGenericFileDialog::GetDirectory();
+}
 
 
-    if(m_path.Length()>1) gtk_file_selection_set_filename(sel,m_path.mbc_str());
+void wxFileDialog::SetFilename(const wxString& name)
+{
+#ifdef __WXGTK24__
+    if (!gtk_check_version(2,4,0))
+    {
+        if (GetStyle() & wxSAVE)
+            gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(name));
+        else
+            SetPath(wxFileName(GetDirectory(), name).GetFullPath());
+    }
+    else
+#endif
+        wxGenericFileDialog::SetFilename( name );
+}
 
 
-    gtk_signal_connect( GTK_OBJECT(sel->ok_button), "clicked",
-      GTK_SIGNAL_FUNC(gtk_filedialog_ok_callback), (gpointer*)this );
+wxString wxFileDialog::GetFilename() const
+{
+#ifdef __WXGTK24__
+    if (!gtk_check_version(2,4,0))
+        return wxFileName(
+            wxConvFileName->cMB2WX(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget))) ).GetFullName();
+    else
+#endif
+        return wxGenericFileDialog::GetFilename();
+}
 
 
-    // strange way to internationalize
-    gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->ok_button)->child ), wxConvCurrent->cWX2MB(_("OK")) );
+void wxFileDialog::SetWildcard(const wxString& wildCard)
+{
+#ifdef __WXGTK24__
+    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
+#endif
+        wxGenericFileDialog::SetWildcard( wildCard );
+}
+
+void wxFileDialog::SetFilterIndex(int filterIndex)
+{
+#ifdef __WXGTK24__
+    if (!gtk_check_version(2,4,0))
+    {
+        gpointer filter;
+        GtkFileChooser *chooser = GTK_FILE_CHOOSER(m_widget);
+        GSList *filters = gtk_file_chooser_list_filters(chooser);
 
 
-    gtk_signal_connect( GTK_OBJECT(sel->cancel_button), "clicked",
-      GTK_SIGNAL_FUNC(gtk_filedialog_cancel_callback), (gpointer*)this );
+        filter = g_slist_nth_data(filters, filterIndex);
 
 
-    // strange way to internationalize
-    gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->cancel_button)->child ), wxConvCurrent->cWX2MB(_("Cancel")) );
+        if (filter != NULL)
+        {
+            gtk_file_chooser_set_filter(chooser, GTK_FILE_FILTER(filter));
+        }
+        else
+        {
+            wxFAIL_MSG( wxT("wxFileDialog::SetFilterIndex - bad filter index") );
+        }
 
 
-    gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
-        GTK_SIGNAL_FUNC(gtk_filedialog_delete_callback), (gpointer)this );
+        g_slist_free(filters);
+    }
+    else
+#endif
+        wxGenericFileDialog::SetFilterIndex( filterIndex );
 }
 
 }
 
-void wxFileDialog::SetPath(const wxString& path)
+int wxFileDialog::GetFilterIndex() const
 {
 {
-    // not only set the full path but also update filename and dir
-    m_path = path;
-    if ( !!path )
+#ifdef __WXGTK24__
+    if (!gtk_check_version(2,4,0))
     {
     {
-        wxString ext;
-        wxSplitPath(path, &m_dir, &m_fileName, &ext);
-        if (!ext.IsEmpty())
+        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)
         {
         {
-            m_fileName += wxT(".");
-            m_fileName += ext;
+            wxFAIL_MSG( wxT("wxFileDialog::GetFilterIndex - bad filter index returned by gtk+") );
+            return 0;
         }
         }
+        else
+            return index;
     }
     }
+    else
+#endif
+                return wxGenericFileDialog::GetFilterIndex();
 }
 
 }
 
+#endif // wxUSE_FILEDLG
wxWidgets (Impactor)