GTK+ 的gtk_dialog_run 返回值备注

http://developer.gnome.org/gtk/2.24/GtkDialog.html

enum GtkResponseType

typedef enum {
  /* GTK returns this if a response widget has no response_id,
   * or if the dialog gets programmatically hidden or destroyed.
   */
  GTK_RESPONSE_NONE = -1,

  /* GTK won't return these unless you pass them in
   * as the response for an action widget. They are
   * for your convenience.
   */
  GTK_RESPONSE_REJECT = -2,
  GTK_RESPONSE_ACCEPT = -3,

  /* If the dialog is deleted. */
  GTK_RESPONSE_DELETE_EVENT = -4,

  /* These are returned from GTK dialogs, and you can also use them
   * yourself if you like.
   */
  GTK_RESPONSE_OK     = -5,
  GTK_RESPONSE_CANCEL = -6,
  GTK_RESPONSE_CLOSE  = -7,
  GTK_RESPONSE_YES    = -8,
  GTK_RESPONSE_NO     = -9,
  GTK_RESPONSE_APPLY  = -10,
  GTK_RESPONSE_HELP   = -11
} GtkResponseType;

Predefined values for use as response ids in gtk_dialog_add_button(). All predefined values are negative, GTK+ leaves positive values for application-defined response ids.

GTK_RESPONSE_NONE	Returned if an action widget has no response id, or if the dialog gets programmatically hidden or destroyed.
GTK_RESPONSE_REJECT	Generic response id, not used by GTK+ dialogs.
GTK_RESPONSE_ACCEPT	Generic response id, not used by GTK+ dialogs.
GTK_RESPONSE_DELETE_EVENT	Returned if the dialog is deleted.
GTK_RESPONSE_OK	Returned by OK buttons in GTK+ dialogs.
GTK_RESPONSE_CANCEL	Returned by Cancel buttons in GTK+ dialogs.
GTK_RESPONSE_CLOSE	Returned by Close buttons in GTK+ dialogs.
GTK_RESPONSE_YES	Returned by Yes buttons in GTK+ dialogs.
GTK_RESPONSE_NO	Returned by No buttons in GTK+ dialogs.
GTK_RESPONSE_APPLY	Returned by Apply buttons in GTK+ dialogs.
GTK_RESPONSE_HELP	Returned by Help buttons in GTK+ dialogs.