/////////////////////////////////////////////////////////////////////////////
-// Name: filedlg.cpp
-// Purpose:
-// Author: Robert Roebling
-// Created: 01/02/97
-// Id:
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// Name: src/gtk/filedlg.cpp
+// Purpose: native implementation of wxFileDialog
+// Author: Robert Roebling, Zbigniew Zagorski, Mart Raudsepp
+// 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
#include "wx/filedlg.h"
-#include "wx/utils.h"
-#include "wx/intl.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/intl.h"
+ #include "wx/msgdlg.h"
+#endif
+
+#include <gtk/gtk.h>
+#include "wx/gtk/private.h"
+
+#ifdef __UNIX__
+#include <unistd.h> // chdir
+#endif
+
+#include "wx/filename.h" // wxFilename
+#include "wx/tokenzr.h" // wxStringTokenizer
+#include "wx/filefn.h" // ::wxGetCwd
+#include "wx/modalhook.h"
//-----------------------------------------------------------------------------
-// wxFileDialog
+// "clicked" for OK-button
+//-----------------------------------------------------------------------------
+
+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)));
+
+ // gtk version numbers must be identical with the one in ctor (that calls set_do_overwrite_confirmation)
+#ifndef __WXGTK3__
+#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::FromUTF8(filename));
+
+ wxMessageDialog dlg(dialog, msg, _("Confirm"),
+ wxYES_NO | wxICON_QUESTION);
+ if (dlg.ShowModal() != wxID_YES)
+ return;
+ }
+ }
+ }
+#endif
+
+ if (style & wxFD_FILE_MUST_EXIST)
+ {
+ if ( !g_file_test(filename, G_FILE_TEST_EXISTS) )
+ {
+ wxMessageDialog dlg( dialog, _("Please choose an existing file."),
+ _("Error"), wxOK| wxICON_ERROR);
+ dlg.ShowModal();
+ 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_BUTTON, wxID_OK);
+ event.SetEventObject(dialog);
+ dialog->HandleWindowEvent(event);
+}
+}
+
//-----------------------------------------------------------------------------
+// "clicked" for Cancel-button
+//-----------------------------------------------------------------------------
+
+extern "C"
+{
+
+static void
+gtk_filedialog_cancel_callback(GtkWidget * WXUNUSED(w), wxFileDialog *dialog)
+{
+ wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
+ event.SetEventObject(dialog);
+ dialog->HandleWindowEvent(event);
+}
+
+static void gtk_filedialog_response_callback(GtkWidget *w,
+ gint response,
+ wxFileDialog *dialog)
+{
+ 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);
+}
-void gtk_filedialog_ok_callback( GtkWidget *WXUNUSED(widget), gpointer data )
+static void gtk_filedialog_selchanged_callback(GtkFileChooser *chooser,
+ wxFileDialog *dialog)
{
- wxFileDialog *dialog = (wxFileDialog*)data;
- wxCommandEvent event(0);
- dialog->OnOk( event );
-};
+ wxGtkString filename(gtk_file_chooser_get_preview_filename(chooser));
-void gtk_filedialog_cancel_callback( GtkWidget *WXUNUSED(widget), gpointer data )
+ dialog->GTKSelectionChanged(wxString::FromUTF8(filename));
+}
+
+
+static void gtk_filedialog_update_preview_callback(GtkFileChooser *chooser,
+ gpointer user_data)
+{
+ 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);
+}
+
+} // extern "C"
+
+void wxFileDialog::AddChildGTK(wxWindowGTK* child)
{
- wxFileDialog *dialog = (wxFileDialog*)data;
- wxCommandEvent event(0);
- dialog->OnCancel( event );
-};
+ // allow dialog to be resized smaller horizontally
+ gtk_widget_set_size_request(
+ child->m_widget, child->GetMinWidth(), child->m_height);
+
+ gtk_file_chooser_set_extra_widget(
+ GTK_FILE_CHOOSER(m_widget), child->m_widget);
+}
+
+//-----------------------------------------------------------------------------
+// wxFileDialog
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxFileDialogBase)
-IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxDialog)
+BEGIN_EVENT_TABLE(wxFileDialog,wxFileDialogBase)
+ EVT_BUTTON(wxID_OK, wxFileDialog::OnFakeOk)
+ EVT_SIZE(wxFileDialog::OnSize)
+END_EVENT_TABLE()
wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
- const wxString& defaultDir, const wxString& defaultFileName,
- const wxString& wildCard,
- long style, const wxPoint& pos )
-{
- m_needParent = FALSE;
-
- PreCreation( parent, -1, pos, wxDefaultSize, style, "filedialog" );
- m_message = message;
- m_path = "";
- m_fileName = defaultFileName;
- m_dir = defaultDir;
- m_wildCard = wildCard;
- m_filterIndex = 1;
-
- m_widget = gtk_file_selection_new( "File selection" );
-
- GtkFileSelection *sel = GTK_FILE_SELECTION(m_widget);
-
- gtk_signal_connect( GTK_OBJECT(sel->ok_button), "clicked",
- GTK_SIGNAL_FUNC(gtk_filedialog_ok_callback), (gpointer*)this );
-
- gtk_signal_connect( GTK_OBJECT(sel->cancel_button), "clicked",
- GTK_SIGNAL_FUNC(gtk_filedialog_cancel_callback), (gpointer*)this );
-};
-
-int wxFileDialog::ShowModal(void)
-{
- int ret = wxDialog::ShowModal();
- 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;
-};
-
-
-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)
-{
- wxString filter2("");
- if ( defaultExtension && !filter )
- filter2 = wxString("*.") + wxString(defaultExtension) ;
- else if ( filter )
- filter2 = filter;
-
- wxString defaultDirString;
- if (defaultDir)
- defaultDirString = defaultDir;
- else
- defaultDirString = "";
-
- wxString defaultFilenameString;
- if (defaultFileName)
- defaultFilenameString = defaultFileName;
- else
- defaultFilenameString = "";
-
- wxFileDialog fileDialog(parent, title, defaultDirString, defaultFilenameString,
- filter2, flags, wxPoint(x, y));
-
- if ( fileDialog.ShowModal() == wxID_OK )
- {
- strcpy(wxBuffer, (const char *)fileDialog.GetPath());
- return wxBuffer;
- }
- else
- return NULL;
-};
-
-char* wxLoadFileSelector(const char *what, const char *extension, const char *default_name,
- wxWindow *parent )
-{
- char *ext = (char *)extension;
-
- char prompt[50];
- wxString str = _("Load %s file");
- sprintf(prompt, str, what);
-
- if (*ext == '.') ext++;
- char wild[60];
- sprintf(wild, "*.%s", ext);
-
- return wxFileSelector (prompt, NULL, default_name, ext, wild, 0, parent);
-};
-
-char* wxSaveFileSelector(const char *what, const char *extension, const char *default_name,
- wxWindow *parent )
-{
- char *ext = (char *)extension;
-
- char prompt[50];
- wxString str = _("Save %s file");
- sprintf(prompt, str, what);
-
- if (*ext == '.') ext++;
- char wild[60];
- sprintf(wild, "*.%s", ext);
-
- return wxFileSelector (prompt, NULL, default_name, ext, wild, 0, parent);
-};
+ const wxString& defaultDir,
+ const wxString& defaultFileName,
+ const wxString& wildCard,
+ long style, const wxPoint& pos,
+ const wxSize& sz,
+ const wxString& name)
+ : wxFileDialogBase()
+{
+ Create(parent, message, defaultDir, defaultFileName, wildCard, style, pos, sz, name);
+}
+
+bool wxFileDialog::Create(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)
+{
+ parent = GetParentForModalDialog(parent, style);
+
+ if (!wxFileDialogBase::Create(parent, message, defaultDir, defaultFileName,
+ wildCard, style, pos, sz, name))
+ {
+ return false;
+ }
+
+ if (!PreCreation(parent, pos, wxDefaultSize) ||
+ !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
+ wxDefaultValidator, wxT("filedialog")))
+ {
+ wxFAIL_MSG( wxT("wxFileDialog creation failed") );
+ return false;
+ }
+
+ 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);
+ g_object_ref(m_widget);
+ GtkFileChooser* file_chooser = GTK_FILE_CHOOSER(m_widget);
+
+ m_fc.SetWidget(file_chooser);
+
+ gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT);
+
+ if ( style & wxFD_MULTIPLE )
+ gtk_file_chooser_set_select_multiple(file_chooser, 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(m_widget,
+ "delete_event",
+ G_CALLBACK (gtk_widget_hide_on_delete),
+ 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);
+
+ g_signal_connect (m_widget, "selection-changed",
+ G_CALLBACK (gtk_filedialog_selchanged_callback), this);
+
+ // deal with extensions/filters
+ SetWildcard(wildCard);
+
+ wxString defaultFileNameWithExt = defaultFileName;
+ if ( !wildCard.empty() && !defaultFileName.empty() &&
+ !wxFileName(defaultFileName).HasExt() )
+ {
+ // append the default extension, if any, to the initial file name: GTK
+ // won't do it for us by default (unlike e.g. MSW)
+ const wxFileName fnWC(m_fc.GetCurrentWildCard());
+ if ( fnWC.HasExt() )
+ {
+ // Notice that we shouldn't append the extension if it's a wildcard
+ // because this is not useful: the user would need to change it to use
+ // some fixed extension anyhow.
+ const wxString& ext = fnWC.GetExt();
+ if ( ext.find_first_of("?*") == wxString::npos )
+ defaultFileNameWithExt << "." << ext;
+ }
+ }
+
+
+ // if defaultDir is specified it should contain the directory and
+ // defaultFileName should contain the default name of the file, however if
+ // directory is not given, defaultFileName contains both
+ wxFileName fn;
+ if ( defaultDir.empty() )
+ fn.Assign(defaultFileNameWithExt);
+ else if ( !defaultFileNameWithExt.empty() )
+ fn.Assign(defaultDir, defaultFileNameWithExt);
+ else
+ fn.AssignDir(defaultDir);
+
+ // set the initial file name and/or directory
+ fn.MakeAbsolute(); // GTK+ needs absolute path
+ const wxString dir = fn.GetPath();
+ if ( !dir.empty() )
+ {
+ gtk_file_chooser_set_current_folder(file_chooser, wxGTK_CONV_FN(dir));
+ }
+
+ const wxString fname = fn.GetFullName();
+ if ( style & wxFD_SAVE )
+ {
+ if ( !fname.empty() )
+ {
+ gtk_file_chooser_set_current_name(file_chooser, wxGTK_CONV_FN(fname));
+ }
+
+#if GTK_CHECK_VERSION(2,7,3)
+ if ((style & wxFD_OVERWRITE_PROMPT)
+#ifndef __WXGTK3__
+ && gtk_check_version(2,7,3) == NULL
+#endif
+ )
+ {
+ gtk_file_chooser_set_do_overwrite_confirmation(file_chooser, true);
+ }
+#endif
+ }
+ else // wxFD_OPEN
+ {
+ if ( !fname.empty() )
+ {
+ gtk_file_chooser_set_filename(file_chooser,
+ wxGTK_CONV_FN(fn.GetFullPath()));
+ }
+ }
+
+ if ( style & wxFD_PREVIEW )
+ {
+ GtkWidget *previewImage = gtk_image_new();
+
+ gtk_file_chooser_set_preview_widget(file_chooser, previewImage);
+ g_signal_connect(m_widget, "update-preview",
+ G_CALLBACK(gtk_filedialog_update_preview_callback),
+ previewImage);
+ }
+
+ return true;
+}
+
+wxFileDialog::~wxFileDialog()
+{
+ if (m_extraControl)
+ {
+ // get chooser to drop its reference right now, allowing wxWindow dtor
+ // to verify that ref count drops to zero
+ gtk_file_chooser_set_extra_widget(
+ GTK_FILE_CHOOSER(m_widget), NULL);
+ }
+}
+
+void wxFileDialog::OnFakeOk(wxCommandEvent& WXUNUSED(event))
+{
+ // Update the current directory from here, accessing it later may not work
+ // due to the strange way GtkFileChooser works.
+ wxGtkString
+ str(gtk_file_chooser_get_current_folder(GTK_FILE_CHOOSER(m_widget)));
+ m_dir = wxString::FromUTF8(str);
+
+ EndDialog(wxID_OK);
+}
+
+int wxFileDialog::ShowModal()
+{
+ WX_HOOK_MODAL_DIALOG();
+
+ CreateExtraControl();
+
+ return wxDialog::ShowModal();
+}
+
+void wxFileDialog::DoSetSize(int WXUNUSED(x), int WXUNUSED(y),
+ int WXUNUSED(width), int WXUNUSED(height),
+ int WXUNUSED(sizeFlags))
+{
+}
+
+void wxFileDialog::OnSize(wxSizeEvent&)
+{
+ // avoid calling DoLayout(), which will set the (wrong) size of
+ // m_extraControl, its size is managed by GtkFileChooser
+}
+
+wxString wxFileDialog::GetPath() const
+{
+ return m_fc.GetPath();
+}
+
+void wxFileDialog::GetFilenames(wxArrayString& files) const
+{
+ m_fc.GetFilenames( files );
+}
+
+void wxFileDialog::GetPaths(wxArrayString& paths) const
+{
+ m_fc.GetPaths( paths );
+}
+
+void wxFileDialog::SetMessage(const wxString& message)
+{
+ m_message = message;
+ SetTitle(message);
+}
+
+void wxFileDialog::SetPath(const wxString& path)
+{
+ wxFileDialogBase::SetPath(path);
+
+ // Don't do anything if no path is specified, in particular don't set the
+ // path to m_dir below as this would result in opening the dialog in the
+ // parent directory of this one instead of m_dir itself.
+ if ( path.empty() )
+ return;
+
+ // we need an absolute path for GTK native chooser so ensure that we have
+ // it: use the initial directory if it was set or just CWD otherwise (this
+ // is the default behaviour if m_dir is empty)
+ wxFileName fn(path);
+ fn.MakeAbsolute(m_dir);
+ m_fc.SetPath(fn.GetFullPath());
+}
+
+void wxFileDialog::SetDirectory(const wxString& dir)
+{
+ wxFileDialogBase::SetDirectory(dir);
+
+ m_fc.SetDirectory(dir);
+}
+
+void wxFileDialog::SetFilename(const wxString& name)
+{
+ wxFileDialogBase::SetFilename(name);
+
+ if (HasFdFlag(wxFD_SAVE))
+ {
+ gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget), wxGTK_CONV(name));
+ }
+
+ else
+ {
+ wxString path( GetDirectory() );
+ if (path.empty())
+ {
+ // SetPath() fires an assert if fed other than filepaths
+ return;
+ }
+ SetPath(wxFileName(path, name).GetFullPath());
+ }
+}
+
+wxString wxFileDialog::GetFilename() const
+{
+ wxString currentFilename( m_fc.GetFilename() );
+ if (currentFilename.empty())
+ {
+ // m_fc.GetFilename() will return empty until the dialog has been shown
+ // in which case use any previously provided value
+ currentFilename = m_fileName;
+ }
+ return currentFilename;
+}
+
+void wxFileDialog::SetWildcard(const wxString& wildCard)
+{
+ wxFileDialogBase::SetWildcard(wildCard);
+ m_fc.SetWildcard( GetWildcard() );
+}
+
+void wxFileDialog::SetFilterIndex(int filterIndex)
+{
+ m_fc.SetFilterIndex( filterIndex);
+}
+
+int wxFileDialog::GetFilterIndex() const
+{
+ return m_fc.GetFilterIndex();
+}
+
+void wxFileDialog::GTKSelectionChanged(const wxString& filename)
+{
+ m_currentlySelectedFilename = filename;
+ if (m_extraControl)
+ m_extraControl->UpdateWindowUI(wxUPDATE_UI_RECURSE);
+}
+#endif // wxUSE_FILEDLG
projects / wxWidgets.git / blobdiff