/*
* diagram_show_save_as_dialog:
*
* Show a dialog for saving the diagram.
*/
static void
diagram_show_save_as_dialog (LdWindowMain *self)
{
GtkWidget *dialog;
g_return_if_fail (LD_IS_WINDOW_MAIN (self));
dialog = gtk_file_chooser_dialog_new (_("Save As..."), GTK_WINDOW (self),
GTK_FILE_CHOOSER_ACTION_SAVE,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
NULL);
g_object_set (dialog, "do-overwrite-confirmation", TRUE, NULL);
gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog),
diagram_get_file_filter ());
if (self->priv->filename)
gtk_file_chooser_set_filename (GTK_FILE_CHOOSER (dialog),
self->priv->filename);
while (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
{
gchar *filename;
filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
if (diagram_save (self, GTK_WINDOW (dialog), filename))
{
diagram_set_filename (self, filename);
break;
}
g_free (filename);
}
gtk_widget_destroy (dialog);
}
int
diagram_load_into(Diagram *diagram,
const char *filename,
DiaImportFilter *ifilter)
{
/* ToDo: move context further up in the callstack and to sth useful with it's content */
DiaContext *ctx = dia_context_new(_("Load Into"));
gboolean was_default = diagram->is_default;
if (!ifilter)
ifilter = filter_guess_import_filter(filename);
/* slightly hacked to avoid 'Not a Dia File' for .shape */
if (!ifilter && g_str_has_suffix (filename, ".shape"))
ifilter = filter_import_get_by_name ("dia-svg");
if (!ifilter) /* default to native format */
ifilter = &dia_import_filter;
dia_context_set_filename (ctx, filename);
if (ifilter->import_func(filename, diagram->data, ctx, ifilter->user_data)) {
if (ifilter != &dia_import_filter) {
/* When loading non-Dia files, change filename to reflect that saving
* will produce a Dia file. See bug #440093 */
if (strcmp (diagram->filename, filename) == 0) {
/* not a real load into but initial load */
gchar *old_filename = g_strdup (diagram->filename);
gchar *suffix_offset = g_utf8_strrchr(old_filename, -1, (gunichar)'.');
gchar *new_filename;
if (suffix_offset != NULL) {
new_filename = g_strndup(old_filename, suffix_offset - old_filename);
g_free(old_filename);
} else {
new_filename = old_filename;
}
old_filename = g_strconcat(new_filename, ".dia", NULL);
g_free(new_filename);
diagram_set_filename(diagram, old_filename);
g_free(old_filename);
diagram->unsaved = TRUE;
diagram_update_for_filename (diagram);
diagram_modified(diagram);
}
} else {
/* the initial diagram should have confirmed filename */
diagram->unsaved =
strcmp(filename, diagram->filename) == 0 ? FALSE : was_default;
}
diagram_set_modified(diagram, TRUE);
dia_context_release(ctx);
return TRUE;
} else {
dia_context_release(ctx);
return FALSE;
}
}
/*
* diagram_new:
*
* Create a new diagram.
*/
static void
diagram_new (LdWindowMain *self)
{
g_return_if_fail (LD_IS_WINDOW_MAIN (self));
if (!may_close_diagram (self, _("Save the changes to diagram \"%s\" before"
" closing it and creating a new one?")))
return;
ld_diagram_clear (self->priv->diagram);
ld_diagram_set_modified (self->priv->diagram, FALSE);
ld_diagram_view_set_x (self->priv->view, 0);
ld_diagram_view_set_y (self->priv->view, 0);
ld_diagram_view_set_zoom (self->priv->view, 1);
diagram_set_filename (self, NULL);
}
/*
* diagram_open:
*
* Open a diagram from a file.
*/
static gboolean
diagram_open (LdWindowMain *self, const gchar *filename)
{
GError *error;
error = NULL;
ld_diagram_load_from_file (self->priv->diagram, filename, &error);
if (error)
{
GtkWidget *message_dialog;
g_warning ("loading failed: %s", error->message);
message_dialog = gtk_message_dialog_new (GTK_WINDOW (self),
GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
_("Failed to open the file"));
if (error->domain != G_FILE_ERROR)
{
gchar *display_filename;
display_filename = g_filename_display_name (filename);
gtk_message_dialog_format_secondary_text
(GTK_MESSAGE_DIALOG (message_dialog),
_("Failed to open file `%s': Invalid contents."), filename);
g_free (display_filename);
}
else
gtk_message_dialog_format_secondary_text
(GTK_MESSAGE_DIALOG (message_dialog),
"%s", error->message);
gtk_dialog_run (GTK_DIALOG (message_dialog));
gtk_widget_destroy (message_dialog);
g_error_free (error);
return FALSE;
}
ld_diagram_set_modified (self->priv->diagram, FALSE);
diagram_set_filename (self, g_strdup (filename));
return TRUE;
}
/**
* Respond to a button press (also destroy) in the save as dialog.
*/
static void
file_save_as_response_callback(GtkWidget *fs,
gint response,
gpointer user_data)
{
char *filename;
Diagram *dia;
struct stat stat_struct;
if (response == GTK_RESPONSE_ACCEPT) {
dia = g_object_get_data (G_OBJECT(fs), "user_data");
filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(fs));
if (!filename) {
/* Not getting a filename looks like a contract violation in Gtk+ to me.
* Still Dia would be crashing (bug #651949) - instead simply go back to the dialog. */
gtk_window_present (GTK_WINDOW (fs));
return;
}
if (g_stat(filename, &stat_struct) == 0) {
GtkWidget *dialog = NULL;
char *utf8filename = NULL;
if (!g_utf8_validate(filename, -1, NULL)) {
utf8filename = g_filename_to_utf8(filename, -1, NULL, NULL, NULL);
if (utf8filename == NULL) {
message_warning(_("Some characters in the filename are neither UTF-8\n"
"nor your local encoding.\nSome things will break."));
}
}
if (utf8filename == NULL) utf8filename = g_strdup(filename);
dialog = gtk_message_dialog_new (GTK_WINDOW(fs),
GTK_DIALOG_MODAL, GTK_MESSAGE_QUESTION,
GTK_BUTTONS_YES_NO,
_("File already exists"));
gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog),
_("The file '%s' already exists.\n"
"Do you want to overwrite it?"), utf8filename);
g_free(utf8filename);
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_YES);
if (gtk_dialog_run (GTK_DIALOG (dialog)) != GTK_RESPONSE_YES) {
/* don't hide/destroy the dialog, but simply go back to it */
gtk_window_present (GTK_WINDOW (fs));
gtk_widget_destroy(dialog);
g_free (filename);
return;
}
gtk_widget_destroy(dialog);
}
dia->data->is_compressed = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(user_data));
diagram_update_extents(dia);
{
DiaContext *ctx = dia_context_new (_("Save as"));
diagram_set_filename(dia, filename);
dia_context_set_filename (ctx, filename);
if (diagram_save(dia, filename, ctx))
recent_file_history_add(filename);
dia_context_release (ctx);
}
g_free (filename);
}
/* if we have our own reference, drop it before destroy */
if ((dia = g_object_get_data (G_OBJECT(fs), "user_data")) != NULL) {
g_object_set_data (G_OBJECT(fs), "user_data", NULL);
g_object_unref (dia);
}
/* if we destroy it gtk_dialog_run wont give the response */
if (!g_object_get_data (G_OBJECT(fs), "dont-destroy"))
gtk_widget_destroy(GTK_WIDGET(fs));
}
static void
ld_window_main_init (LdWindowMain *self)
{
LdWindowMainPrivate *priv;
GError *error;
self->priv = priv = G_TYPE_INSTANCE_GET_PRIVATE
(self, LD_TYPE_WINDOW_MAIN, LdWindowMainPrivate);
/* Construct menu and toolbar. */
priv->ui_manager = gtk_ui_manager_new ();
g_signal_connect (priv->ui_manager, "connect-proxy",
G_CALLBACK (on_ui_proxy_connected), self);
g_signal_connect (priv->ui_manager, "disconnect-proxy",
G_CALLBACK (on_ui_proxy_disconnected), self);
priv->action_group = gtk_action_group_new ("MainActions");
gtk_action_group_set_translation_domain
(priv->action_group, GETTEXT_DOMAIN);
gtk_action_group_add_actions
(priv->action_group, wm_action_entries,
G_N_ELEMENTS (wm_action_entries), self);
gtk_action_group_add_toggle_actions
(priv->action_group, wm_toggle_action_entries,
G_N_ELEMENTS (wm_toggle_action_entries), self);
gtk_ui_manager_insert_action_group (priv->ui_manager,
priv->action_group, 0);
error = NULL;
gtk_ui_manager_add_ui_from_file
(priv->ui_manager, PROJECT_SHARE_DIR "gui/window-main.ui", &error);
if (error)
{
g_message ("building UI failed: %s", error->message);
g_error_free (error);
}
priv->menu = gtk_ui_manager_get_widget (priv->ui_manager, "/MenuBar");
priv->toolbar = gtk_ui_manager_get_widget (priv->ui_manager, "/Toolbar");
/* Create the remaining widgets. */
priv->library_view = ld_category_tree_view_new (NULL);
priv->view = LD_DIAGRAM_VIEW (ld_diagram_view_new ());
priv->scrolled_window = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->scrolled_window),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_container_add (GTK_CONTAINER (priv->scrolled_window),
GTK_WIDGET (priv->view));
priv->statusbar = gtk_statusbar_new ();
priv->statusbar_menu_context_id = gtk_statusbar_get_context_id
(GTK_STATUSBAR (priv->statusbar), "menu");
priv->statusbar_symbol_context_id = gtk_statusbar_get_context_id
(GTK_STATUSBAR (priv->statusbar), "symbol");
priv->statusbar_hint_context_id = gtk_statusbar_get_context_id
(GTK_STATUSBAR (priv->statusbar), "hint");
priv->lv_viewport = gtk_viewport_new (NULL, NULL);
gtk_viewport_set_shadow_type
(GTK_VIEWPORT (priv->lv_viewport), GTK_SHADOW_NONE);
gtk_container_add (GTK_CONTAINER (priv->lv_viewport), priv->library_view);
priv->lv_window = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->lv_window),
GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
gtk_container_add (GTK_CONTAINER (priv->lv_window), priv->lv_viewport);
priv->paned = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL);
gtk_paned_pack1 (GTK_PANED (priv->paned),
priv->lv_window, FALSE, FALSE);
gtk_paned_pack2 (GTK_PANED (priv->paned),
priv->scrolled_window, TRUE, TRUE);
gtk_paned_set_position (GTK_PANED (priv->paned), 180);
/* Pack all widgets into the window. */
priv->vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_box_pack_start (GTK_BOX (priv->vbox), priv->menu, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (priv->vbox), priv->toolbar, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (priv->vbox), priv->paned, TRUE, TRUE, 0);
gtk_box_pack_end (GTK_BOX (priv->vbox), priv->statusbar, FALSE, FALSE, 0);
gtk_container_add (GTK_CONTAINER (self), priv->vbox);
/* Configure the window. */
g_signal_connect (self, "delete-event", G_CALLBACK (on_delete), NULL);
gtk_window_add_accel_group (GTK_WINDOW (self),
gtk_ui_manager_get_accel_group (priv->ui_manager));
gtk_window_set_default_size (GTK_WINDOW (self), 640, 440);
gtk_window_set_position (GTK_WINDOW (self), GTK_WIN_POS_CENTER);
/* Initialize the backend. */
priv->diagram = ld_diagram_new ();
g_signal_connect_after (priv->diagram, "changed",
G_CALLBACK (on_diagram_changed), self);
g_signal_connect (priv->diagram, "notify::can-undo",
G_CALLBACK (on_diagram_history_changed), self);
g_signal_connect (priv->diagram, "notify::can-redo",
G_CALLBACK (on_diagram_history_changed), self);
g_signal_connect_after (priv->diagram, "selection-changed",
G_CALLBACK (on_diagram_selection_changed), self);
priv->library = ld_library_new ();
load_library_directories (priv->library);
ld_diagram_view_set_diagram (priv->view, priv->diagram);
ld_diagram_view_set_library (priv->view, priv->library);
ld_category_view_set_category (LD_CATEGORY_VIEW (priv->library_view),
ld_library_get_root (priv->library));
g_signal_connect_after (priv->library_view, "symbol-selected",
G_CALLBACK (on_symbol_selected), self);
g_signal_connect_after (priv->library_view, "symbol-deselected",
G_CALLBACK (on_symbol_deselected), self);
diagram_set_filename (self, NULL);
priv->statusbar_hint_drag = gtk_statusbar_push
(GTK_STATUSBAR (priv->statusbar), priv->statusbar_hint_context_id,
_("Drag symbols from the library pane to add them to the diagram."));
priv->zoom_label = gtk_label_new ("");
gtk_label_set_single_line_mode (GTK_LABEL (priv->zoom_label), TRUE);
gtk_box_pack_end (GTK_BOX (gtk_statusbar_get_message_area
(GTK_STATUSBAR (priv->statusbar))), priv->zoom_label, FALSE, FALSE, 0);
g_signal_connect (priv->view, "notify::zoom",
G_CALLBACK (on_view_zoom_changed), self);
g_object_notify (G_OBJECT (priv->view), "zoom");
action_set_sensitive (self, "Undo", FALSE);
action_set_sensitive (self, "Redo", FALSE);
action_set_sensitive (self, "Delete", FALSE);
action_set_sensitive (self, "NormalSize", FALSE);
gtk_widget_grab_focus (GTK_WIDGET (priv->view));
/* Realize the window. */
gtk_widget_show_all (GTK_WIDGET (self));
/* Set up GSettings. */
priv->settings = g_settings_new ("org." PROJECT_NAME);
g_settings_bind (priv->settings, "show-main-toolbar",
gtk_action_group_get_action (priv->action_group,
"MainToolbar"), "active", G_SETTINGS_BIND_DEFAULT);
g_settings_bind (priv->settings, "show-library-pane",
gtk_action_group_get_action (priv->action_group,
"LibraryPane"), "active", G_SETTINGS_BIND_DEFAULT);
g_settings_bind (priv->settings, "show-grid",
gtk_action_group_get_action (priv->action_group,
"ShowGrid"), "active", G_SETTINGS_BIND_DEFAULT);
}