diff options
Diffstat (limited to 'libnautilus-private/nautilus-clipboard.c')
| -rw-r--r-- | libnautilus-private/nautilus-clipboard.c | 422 |
1 files changed, 0 insertions, 422 deletions
diff --git a/libnautilus-private/nautilus-clipboard.c b/libnautilus-private/nautilus-clipboard.c index dd6f9c040..d194cf346 100644 --- a/libnautilus-private/nautilus-clipboard.c +++ b/libnautilus-private/nautilus-clipboard.c @@ -33,428 +33,6 @@ #include <gtk/gtk.h> #include <string.h> -typedef struct _TargetCallbackData TargetCallbackData; - -typedef void (* SelectAllCallback) (gpointer target); -typedef void (* ConnectCallbacksFunc) (GObject *object, - TargetCallbackData *target_data); - -static void selection_changed_callback (GtkWidget *widget, - gpointer callback_data); -static void owner_change_callback (GtkClipboard *clipboard, - GdkEventOwnerChange *event, - gpointer callback_data); -struct _TargetCallbackData { - GtkUIManager *ui_manager; - GtkActionGroup *action_group; - gboolean shares_selection_changes; - - SelectAllCallback select_all_callback; - - ConnectCallbacksFunc connect_callbacks; - ConnectCallbacksFunc disconnect_callbacks; -}; - -static void -cut_callback (gpointer target) -{ - g_assert (target != NULL); - - g_signal_emit_by_name (target, "cut-clipboard"); -} - -static void -copy_callback (gpointer target) -{ - g_assert (target != NULL); - - g_signal_emit_by_name (target, "copy-clipboard"); -} - -static void -paste_callback (gpointer target) -{ - g_assert (target != NULL); - - g_signal_emit_by_name (target, "paste-clipboard"); -} - -static void -editable_select_all_callback (gpointer target) -{ - GtkEditable *editable; - - editable = GTK_EDITABLE (target); - g_assert (editable != NULL); - - gtk_editable_set_position (editable, -1); - gtk_editable_select_region (editable, 0, -1); -} - -static void -action_cut_callback (GtkAction *action, - gpointer callback_data) -{ - cut_callback (callback_data); -} - -static void -action_copy_callback (GtkAction *action, - gpointer callback_data) -{ - copy_callback (callback_data); -} - -static void -action_paste_callback (GtkAction *action, - gpointer callback_data) -{ - paste_callback (callback_data); -} - -static void -action_select_all_callback (GtkAction *action, - gpointer callback_data) -{ - TargetCallbackData *target_data; - - g_assert (callback_data != NULL); - - target_data = g_object_get_data (callback_data, "Nautilus:clipboard_target_data"); - g_assert (target_data != NULL); - - target_data->select_all_callback (callback_data); -} - -static void -received_clipboard_contents (GtkClipboard *clipboard, - GtkSelectionData *selection_data, - gpointer data) -{ - GtkActionGroup *action_group; - GtkAction *action; - - action_group = data; - - action = gtk_action_group_get_action (action_group, - "Paste"); - if (action != NULL) { - gtk_action_set_sensitive (action, - gtk_selection_data_targets_include_text (selection_data)); - } - - g_object_unref (action_group); -} - - -static void -set_paste_sensitive_if_clipboard_contains_data (GtkActionGroup *action_group) -{ - GtkAction *action; - if (gdk_display_supports_selection_notification (gdk_display_get_default ())) { - gtk_clipboard_request_contents (gtk_clipboard_get (GDK_SELECTION_CLIPBOARD), - gdk_atom_intern ("TARGETS", FALSE), - received_clipboard_contents, - g_object_ref (action_group)); - } else { - /* If selection notification isn't supported, always activate Paste */ - action = gtk_action_group_get_action (action_group, - "Paste"); - gtk_action_set_sensitive (action, TRUE); - } -} - -static void -set_clipboard_menu_items_sensitive (GtkActionGroup *action_group) -{ - GtkAction *action; - - action = gtk_action_group_get_action (action_group, - "Cut"); - gtk_action_set_sensitive (action, TRUE); - action = gtk_action_group_get_action (action_group, - "Copy"); - gtk_action_set_sensitive (action, TRUE); -} - -static void -set_clipboard_menu_items_insensitive (GtkActionGroup *action_group) -{ - GtkAction *action; - - action = gtk_action_group_get_action (action_group, - "Cut"); - gtk_action_set_sensitive (action, FALSE); - action = gtk_action_group_get_action (action_group, - "Copy"); - gtk_action_set_sensitive (action, FALSE); -} - -static gboolean -clipboard_items_are_merged_in (GtkWidget *widget) -{ - return GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget), - "Nautilus:clipboard_menu_items_merged")); -} - -static void -set_clipboard_items_are_merged_in (GObject *widget_as_object, - gboolean merged_in) -{ - g_object_set_data (widget_as_object, - "Nautilus:clipboard_menu_items_merged", - GINT_TO_POINTER (merged_in)); -} - -static void -editable_connect_callbacks (GObject *object, - TargetCallbackData *target_data) -{ - g_signal_connect_after (object, "selection-changed", - G_CALLBACK (selection_changed_callback), target_data); - selection_changed_callback (GTK_WIDGET (object), - target_data); -} - -static void -editable_disconnect_callbacks (GObject *object, - TargetCallbackData *target_data) -{ - g_signal_handlers_disconnect_matched (object, - G_SIGNAL_MATCH_FUNC | G_SIGNAL_MATCH_DATA, - 0, 0, NULL, - G_CALLBACK (selection_changed_callback), - target_data); -} - -static void -merge_in_clipboard_menu_items (GObject *widget_as_object, - TargetCallbackData *target_data) -{ - gboolean add_selection_callback; - - g_assert (target_data != NULL); - - add_selection_callback = target_data->shares_selection_changes; - - gtk_ui_manager_insert_action_group (target_data->ui_manager, - target_data->action_group, 0); - - set_paste_sensitive_if_clipboard_contains_data (target_data->action_group); - - g_signal_connect (gtk_clipboard_get (GDK_SELECTION_CLIPBOARD), "owner-change", - G_CALLBACK (owner_change_callback), target_data); - - if (add_selection_callback) { - target_data->connect_callbacks (widget_as_object, target_data); - } else { - /* If we don't use sensitivity, everything should be on */ - set_clipboard_menu_items_sensitive (target_data->action_group); - } - set_clipboard_items_are_merged_in (widget_as_object, TRUE); -} - -static void -merge_out_clipboard_menu_items (GObject *widget_as_object, - TargetCallbackData *target_data) - -{ - gboolean selection_callback_was_added; - - g_assert (target_data != NULL); - - gtk_ui_manager_remove_action_group (target_data->ui_manager, - target_data->action_group); - - g_signal_handlers_disconnect_matched (gtk_clipboard_get (GDK_SELECTION_CLIPBOARD), - G_SIGNAL_MATCH_FUNC | G_SIGNAL_MATCH_DATA, - 0, 0, NULL, - G_CALLBACK (owner_change_callback), - target_data); - - selection_callback_was_added = target_data->shares_selection_changes; - - if (selection_callback_was_added) { - target_data->disconnect_callbacks (widget_as_object, target_data); - } - set_clipboard_items_are_merged_in (widget_as_object, FALSE); -} - -static gboolean -focus_changed_callback (GtkWidget *widget, - GdkEventAny *event, - gpointer callback_data) -{ - /* Connect the component to the container if the widget has focus. */ - if (gtk_widget_has_focus (widget)) { - if (!clipboard_items_are_merged_in (widget)) { - merge_in_clipboard_menu_items (G_OBJECT (widget), callback_data); - } - } else { - if (clipboard_items_are_merged_in (widget)) { - merge_out_clipboard_menu_items (G_OBJECT (widget), callback_data); - } - } - - return FALSE; -} - -static void -selection_changed_callback (GtkWidget *widget, - gpointer callback_data) -{ - TargetCallbackData *target_data; - GtkEditable *editable; - int start, end; - - target_data = (TargetCallbackData *) callback_data; - g_assert (target_data != NULL); - - editable = GTK_EDITABLE (widget); - g_assert (editable != NULL); - - if (gtk_editable_get_selection_bounds (editable, &start, &end) && start != end) { - set_clipboard_menu_items_sensitive (target_data->action_group); - } else { - set_clipboard_menu_items_insensitive (target_data->action_group); - } -} - -static void -owner_change_callback (GtkClipboard *clipboard, - GdkEventOwnerChange *event, - gpointer callback_data) -{ - TargetCallbackData *target_data; - - g_assert (callback_data != NULL); - target_data = callback_data; - - set_paste_sensitive_if_clipboard_contains_data (target_data->action_group); -} - -static void -target_destroy_callback (GtkWidget *object, - gpointer callback_data) -{ - g_assert (callback_data != NULL); - - if (clipboard_items_are_merged_in (object)) { - merge_out_clipboard_menu_items (G_OBJECT (object), callback_data); - } -} - -static void -target_data_free (TargetCallbackData *target_data) -{ - g_object_unref (target_data->action_group); - g_free (target_data); -} - -static const GtkActionEntry clipboard_entries[] = { - /* name, stock id */ { "Cut", NULL, - /* label, accelerator */ N_("Cu_t"), "<control>X", - /* tooltip */ N_("Cut the selected text to the clipboard"), - G_CALLBACK (action_cut_callback) }, - /* name, stock id */ { "Copy", NULL, - /* label, accelerator */ N_("_Copy"), "<control>C", - /* tooltip */ N_("Copy the selected text to the clipboard"), - G_CALLBACK (action_copy_callback) }, - /* name, stock id */ { "Paste", NULL, - /* label, accelerator */ N_("_Paste"), "<control>V", - /* tooltip */ N_("Paste the text stored on the clipboard"), - G_CALLBACK (action_paste_callback) }, - /* name, stock id */ { "Select All", NULL, - /* label, accelerator */ N_("Select _All"), "<control>A", - /* tooltip */ N_("Select all the text in a text field"), - G_CALLBACK (action_select_all_callback) }, -}; - -static TargetCallbackData * -initialize_clipboard_component_with_callback_data (GtkEditable *target, - GtkUIManager *ui_manager, - gboolean shares_selection_changes, - SelectAllCallback select_all_callback, - ConnectCallbacksFunc connect_callbacks, - ConnectCallbacksFunc disconnect_callbacks) -{ - GtkActionGroup *action_group; - TargetCallbackData *target_data; - - action_group = gtk_action_group_new ("ClipboardActions"); - gtk_action_group_set_translation_domain (action_group, GETTEXT_PACKAGE); - gtk_action_group_add_actions (action_group, - clipboard_entries, G_N_ELEMENTS (clipboard_entries), - target); - - /* Do the actual connection of the UI to the container at - * focus time, and disconnect at both focus and destroy - * time. - */ - target_data = g_new (TargetCallbackData, 1); - target_data->ui_manager = ui_manager; - target_data->action_group = action_group; - target_data->shares_selection_changes = shares_selection_changes; - target_data->select_all_callback = select_all_callback; - target_data->connect_callbacks = connect_callbacks; - target_data->disconnect_callbacks = disconnect_callbacks; - - return target_data; -} - -static void -nautilus_clipboard_real_set_up (gpointer target, - GtkUIManager *ui_manager, - gboolean shares_selection_changes, - SelectAllCallback select_all_callback, - ConnectCallbacksFunc connect_callbacks, - ConnectCallbacksFunc disconnect_callbacks) -{ - TargetCallbackData *target_data; - - if (g_object_get_data (G_OBJECT (target), "Nautilus:clipboard_target_data") != NULL) { - return; - } - - target_data = initialize_clipboard_component_with_callback_data - (target, - ui_manager, - shares_selection_changes, - select_all_callback, - connect_callbacks, - disconnect_callbacks); - - g_signal_connect (target, "focus-in-event", - G_CALLBACK (focus_changed_callback), target_data); - g_signal_connect (target, "focus-out-event", - G_CALLBACK (focus_changed_callback), target_data); - g_signal_connect (target, "destroy", - G_CALLBACK (target_destroy_callback), target_data); - - g_object_set_data_full (G_OBJECT (target), "Nautilus:clipboard_target_data", - target_data, (GDestroyNotify) target_data_free); - - /* Call the focus changed callback once to merge if the window is - * already in focus. - */ - focus_changed_callback (GTK_WIDGET (target), NULL, target_data); -} - -void -nautilus_clipboard_set_up_editable (GtkEditable *target, - GtkUIManager *ui_manager, - gboolean shares_selection_changes) -{ - g_return_if_fail (GTK_IS_EDITABLE (target)); - g_return_if_fail (GTK_IS_UI_MANAGER (ui_manager)); - - nautilus_clipboard_real_set_up (target, ui_manager, - shares_selection_changes, - editable_select_all_callback, - editable_connect_callbacks, - editable_disconnect_callbacks); -} - static GList * convert_lines_to_str_list (char **lines, gboolean *cut) { |