X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/903f689bf7c3c379cba45881373aa9bdd15d6e70..14722c43c30918cd8fbba956b50ac3426d2fe339:/src/gtk/filedlg.cpp diff --git a/src/gtk/filedlg.cpp b/src/gtk/filedlg.cpp index 42278d6605..09508a9f6e 100644 --- a/src/gtk/filedlg.cpp +++ b/src/gtk/filedlg.cpp @@ -1,167 +1,470 @@ ///////////////////////////////////////////////////////////////////////////// -// 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 #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 +#include "wx/gtk/private.h" + +#ifdef __UNIX__ +#include // chdir +#endif + +#include "wx/filename.h" // wxFilename +#include "wx/tokenzr.h" // wxStringTokenizer +#include "wx/filefn.h" // ::wxGetCwd //----------------------------------------------------------------------------- -// wxFileDialog +// "clicked" for OK-button //----------------------------------------------------------------------------- -void gtk_filedialog_ok_callback( GtkWidget *WXUNUSED(widget), gpointer data ) +extern "C" { +static void gtk_filedialog_ok_callback(GtkWidget *widget, wxFileDialog *dialog) { - wxFileDialog *dialog = (wxFileDialog*)data; - wxCommandEvent event(wxEVT_NULL); - int style; + 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 - style=dialog->GetStyle(); + 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_COMMAND_BUTTON_CLICKED, wxID_OK); + event.SetEventObject(dialog); + dialog->HandleWindowEvent(event); +} +} - 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; - } +//----------------------------------------------------------------------------- +// "clicked" for Cancel-button +//----------------------------------------------------------------------------- - dialog->OnOK( event ); -}; +extern "C" +{ -void gtk_filedialog_cancel_callback( GtkWidget *WXUNUSED(widget), gpointer data ) +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) { - wxFileDialog *dialog = (wxFileDialog*)data; - wxCommandEvent event(wxEVT_NULL); - dialog->OnCancel( event ); -}; + 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); +} + +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) +{ + // 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 | wxDIALOG_MODAL, "filedialog" ); - m_message = message; - m_path = ""; - m_fileName = defaultFileName; - m_dir = defaultDir; - m_wildCard = wildCard; - m_dialogStyle = style; - m_filterIndex = 1; - - 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); - - m_path.Append(m_dir); - if(! m_path.IsEmpty() && m_path.Last()!='/') m_path.Append('/'); - m_path.Append(m_fileName); - - if(m_path.Length()>1) gtk_file_selection_set_filename(sel,m_path); - - 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 ) + const wxString& defaultDir, + const wxString& defaultFileName, + const wxString& wildCard, + long style, const wxPoint& pos, + const wxSize& sz, + const wxString& name) + : wxFileDialogBase() { - 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); + 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); + + + // deal with extensions/filters + SetWildcard(wildCard); + + wxString defaultFileNameWithExt = defaultFileName; + if ( !wildCard.empty() && !defaultFileName.empty() && + !wxFileName(defaultFileName).HasExt() ) + { + // append the default extension to the initial file name: GTK won't do + // it for us by default (unlike e.g. MSW) + const wxString defaultExt = m_fc.GetCurrentWildCard().AfterFirst('.'); + if ( defaultExt.find_first_of("?*") == wxString::npos ) + defaultFileNameWithExt += "." + defaultExt; + } + + + // 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)) +{ + EndDialog(wxID_OK); +} + +int wxFileDialog::ShowModal() +{ + 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); +} - return wxFileSelector (prompt, NULL, default_name, ext, wild, 0, parent); -}; +void wxFileDialog::SetPath(const wxString& 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) +{ + if (m_fc.SetDirectory( dir )) + { + // Cache the dir, as gtk_file_chooser_get_current_folder() + // doesn't return anything until the dialog has been shown + m_dir = dir; + } +} + +wxString wxFileDialog::GetDirectory() const +{ + wxString currentDir( m_fc.GetDirectory() ); + if (currentDir.empty()) + { + // m_fc.GetDirectory() will return empty until the dialog has been shown + // in which case use any previously provided value + currentDir = m_dir; + } + return currentDir; +} + +void wxFileDialog::SetFilename(const wxString& name) +{ + if (HasFdFlag(wxFD_SAVE)) + { + gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget), wxGTK_CONV(name)); + m_fileName = name; + } + + else + { + wxString path( GetDirectory() ); + if (path.empty()) + { + // SetPath() fires an assert if fed other than filepaths + return; + } + SetPath(wxFileName(path, name).GetFullPath()); + m_fileName = name; + } +} + +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(); +} +#endif // wxUSE_FILEDLG