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mirror of https://github.com/cookiengineer/audacity synced 2025-06-09 08:32:31 +02:00
audacity/lib-src/FileDialog/gtk/FileDialogPrivate.cpp

590 lines
18 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: gtk/filedlg.cpp
// Purpose: native implementation of FileDialog
// Author: Robert Roebling, Zbigniew Zagorski, Mart Raudsepp
// Id: $Id: FileDialogPrivate.cpp,v 1.7 2009-05-25 11:10:00 llucius Exp $
// Copyright: (c) 1998 Robert Roebling, 2004 Zbigniew Zagorski, 2005 Mart Raudsepp
// Licence: wxWindows licence
//
// Modified for Audacity to support an additional button on Save dialogs
//
/////////////////////////////////////////////////////////////////////////////
// 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"
#include "../FileDialog.h"
#if defined(__WXGTK24__) && (!defined(__WXGPE__))
#include <gtk/gtk.h>
#include "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
#include "wx/version.h"
//-----------------------------------------------------------------------------
// idle system
//-----------------------------------------------------------------------------
extern void wxapp_install_idle_handler();
//-----------------------------------------------------------------------------
// Open expanders on the dialog (really only the "Browser for other folders")
//-----------------------------------------------------------------------------
extern "C" {
static void SetExpanded(GtkWidget *widget, gpointer data)
{
if (GTK_IS_EXPANDER(widget))
{
gtk_expander_set_expanded(GTK_EXPANDER(widget), true);
}
else if (GTK_IS_CONTAINER(widget))
{
gtk_container_forall(GTK_CONTAINER(widget), SetExpanded, data);
}
return;
}
static void gtk_filedialog_show_callback(GtkWidget *widget, FileDialog *dialog)
{
gtk_container_forall(GTK_CONTAINER(widget), SetExpanded, NULL);
}
}
//-----------------------------------------------------------------------------
// "clicked" for OK-button
//-----------------------------------------------------------------------------
extern "C" {
static void gtk_filedialog_ok_callback(GtkWidget *widget, FileDialog *dialog)
{
int style = dialog->GetWindowStyle();
gchar* filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget));
// 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
gchar* folder = g_path_get_dirname(filename);
chdir(folder);
g_free(folder);
}
g_free(filename);
wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
event.SetEventObject(dialog);
dialog->GetEventHandler()->ProcessEvent(event);
}
}
//-----------------------------------------------------------------------------
// "clicked" for Cancel-button
//-----------------------------------------------------------------------------
extern "C" {
static void gtk_filedialog_cancel_callback(GtkWidget *WXUNUSED(w),
FileDialog *dialog)
{
wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
event.SetEventObject(dialog);
dialog->GetEventHandler()->ProcessEvent(event);
}
}
extern "C" {
static void gtk_filedialog_response_callback(GtkWidget *w,
gint response,
FileDialog *dialog)
{
wxapp_install_idle_handler();
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;
}
}
}
//-----------------------------------------------------------------------------
// "clicked" for extra-button
//-----------------------------------------------------------------------------
extern "C" {
static void gtk_filedialog_extra_callback(GtkWidget *WXUNUSED(w),
FileDialog *dialog)
{
dialog->ClickButton(dialog->GetFilterIndex());
}
}
#endif // __WXGTK24__
//-----------------------------------------------------------------------------
// FileDialog
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(FileDialog,wxGenericFileDialog)
BEGIN_EVENT_TABLE(FileDialog,wxGenericFileDialog)
EVT_BUTTON(wxID_OK, FileDialog::OnFakeOk)
END_EVENT_TABLE()
FileDialog::FileDialog(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,
#if wxCHECK_VERSION(2,8,0)
wxDefaultSize,
wxFileDialogNameStr,
#endif
true )
{
#if defined(__WXGTK24__) && (!defined(__WXGPE__))
if (!gtk_check_version(2,4,0))
{
wxASSERT_MSG( !( (style & wxFD_SAVE) && (style & wxFD_MULTIPLE) ), wxT("FileDialog - wxFD_MULTIPLE 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")))
{
wxFAIL_MSG( wxT("FileDialog 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);
// Allow pressing "Enter" key for default action
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);
// 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);
g_signal_connect(G_OBJECT(m_widget), "show",
GTK_SIGNAL_FUNC(gtk_filedialog_show_callback), (gpointer)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),
wxConvFileName->cWX2MB(defaultFileName));
#if GTK_CHECK_VERSION(2,7,3)
if (!gtk_check_version(2,7,3))
gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(m_widget), FALSE);
#endif
}
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 );
}
FileDialog::~FileDialog()
{
#if defined(__WXGTK24__) && (!defined(__WXGPE__))
if (!gtk_check_version(2,4,0))
{
if (m_destroyed_by_delete)
m_widget = NULL;
}
#endif
}
void FileDialog::OnFakeOk( wxCommandEvent &event )
{
#if defined(__WXGTK24__) && (!defined(__WXGPE__))
if (!gtk_check_version(2,4,0))
{
if (Validate() && TransferDataFromWindow())
EndModal(wxID_OK);
} else
#endif
wxGenericFileDialog::OnListOk( event );
}
int FileDialog::ShowModal()
{
if ( !m_buttonlabel.IsEmpty() )
{
GtkWidget *widget;
wxString label = m_buttonlabel;
label.Replace(wxT("&"), wxT("_"));
widget = gtk_button_new_with_mnemonic(wxGTK_CONV(label));
gtk_file_chooser_set_extra_widget(GTK_FILE_CHOOSER(m_widget), widget);
g_signal_connect(G_OBJECT(widget), "clicked",
GTK_SIGNAL_FUNC(gtk_filedialog_extra_callback), (gpointer)this);
}
#if defined(__WXGTK24__) && (!defined(__WXGPE__))
if (!gtk_check_version(2,4,0))
return wxDialog::ShowModal();
else
#endif
return wxGenericFileDialog::ShowModal();
}
bool FileDialog::Show( bool show )
{
#if defined(__WXGTK24__) && (!defined(__WXGPE__))
if (!gtk_check_version(2,4,0))
return wxDialog::Show( show );
else
#endif
return wxGenericFileDialog::Show( show );
}
void FileDialog::DoSetSize(int x, int y, int width, int height, int sizeFlags )
{
if (!m_wxwindow)
return;
else
wxGenericFileDialog::DoSetSize( x, y, width, height, sizeFlags );
}
wxString FileDialog::GetPath() const
{
#if defined(__WXGTK24__) && (!defined(__WXGPE__))
if (!gtk_check_version(2,4,0)) {
char *f = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget));
wxString path = wxConvFileName->cMB2WX(f);
g_free(f);
return path;
}
else
#endif
return wxGenericFileDialog::GetPath();
}
void FileDialog::GetFilenames(wxArrayString& files) const
{
#if defined(__WXGTK24__) && (!defined(__WXGPE__))
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 );
}
void FileDialog::GetPaths(wxArrayString& paths) const
{
#if defined(__WXGTK24__) && (!defined(__WXGPE__))
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 );
}
void FileDialog::SetMessage(const wxString& message)
{
#if defined(__WXGTK24__) && (!defined(__WXGPE__))
if (!gtk_check_version(2,4,0))
{
m_message = message;
SetTitle(message);
}
else
#endif
wxGenericFileDialog::SetMessage( message );
}
void FileDialog::SetPath(const wxString& path)
{
#if defined(__WXGTK24__) && (!defined(__WXGPE__))
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
#endif
wxGenericFileDialog::SetPath( path );
}
void FileDialog::SetDirectory(const wxString& dir)
{
#if defined(__WXGTK24__) && (!defined(__WXGPE__))
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 );
}
wxString FileDialog::GetDirectory() const
{
#if defined(__WXGTK24__) && (!defined(__WXGPE__))
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();
}
void FileDialog::SetFilename(const wxString& name)
{
#if defined(__WXGTK24__) && (!defined(__WXGPE__))
if (!gtk_check_version(2,4,0))
{
if (GetWindowStyle() & wxFD_SAVE)
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 );
}
wxString FileDialog::GetFilename() const
{
#if defined(__WXGTK24__) && (!defined(__WXGPE__))
if (!gtk_check_version(2,4,0)) {
char *f = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget));
wxFileName name(wxConvFileName->cMB2WX(f));
g_free(f);
return name.GetFullName();
}
else
#endif
return wxGenericFileDialog::GetFilename();
}
void FileDialog::SetWildcard(const wxString& wildCard)
{
#if defined(__WXGTK24__) && (!defined(__WXGPE__))
if (!gtk_check_version(2,4,0))
{
// parse filters
wxArrayString wildDescriptions, wildFilters;
if (!wxParseCommonDialogsFilter(wildCard, wildDescriptions, wildFilters))
{
wxFAIL_MSG( wxT("FileDialog::SetWildCard - bad wildcard string") );
}
else
{
// Parsing went fine. Set m_wildCard to be returned by FileDialogBase::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 FileDialog::SetFilterIndex(int filterIndex)
{
#if defined(__WXGTK24__) && (!defined(__WXGPE__))
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("FileDialog::SetFilterIndex - bad filter index") );
}
g_slist_free(filters);
}
else
#endif
wxGenericFileDialog::SetFilterIndex( filterIndex );
}
int FileDialog::GetFilterIndex() const
{
#if defined(__WXGTK24__) && (!defined(__WXGPE__))
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("FileDialog::GetFilterIndex - bad filter index returned by gtk+") );
return 0;
}
else
return index;
}
else
#endif
return wxGenericFileDialog::GetFilterIndex();
}