gtkclist.c

gtk是linux一款强大的夸平台的图形化开发工具

/* Misc */
static gboolean title_focus           (GtkCList  *clist,
			               gint       dir);
static void real_row_move             (GtkCList  *clist,
			               gint       source_row,
			               gint       dest_row);
static gint column_title_passive_func (GtkWidget *widget, 
				       GdkEvent  *event,
				       gpointer   data);
static void drag_dest_cell            (GtkCList         *clist,
				       gint              x,
				       gint              y,
				       GtkCListDestInfo *dest_info);



static GtkContainerClass *parent_class = NULL;
static guint clist_signals[LAST_SIGNAL] = {0};

static GtkTargetEntry clist_target_table = { "gtk-clist-drag-reorder", 0, 0};

GtkType
gtk_clist_get_type (void)
{
  static GtkType clist_type = 0;

  if (!clist_type)
    {
      static const GtkTypeInfo clist_info =
      {
	"GtkCList",
	sizeof (GtkCList),
	sizeof (GtkCListClass),
	(GtkClassInitFunc) gtk_clist_class_init,
	(GtkObjectInitFunc) gtk_clist_init,
	/* reserved_1 */ NULL,
	/* reserved_2 */ NULL,
	(GtkClassInitFunc) NULL,
      };

      clist_type = gtk_type_unique (GTK_TYPE_CONTAINER, &clist_info);
    }

  return clist_type;
}

static void
gtk_clist_class_init (GtkCListClass *klass)
{
  GtkObjectClass *object_class;
  GtkWidgetClass *widget_class;
  GtkContainerClass *container_class;
  GtkBindingSet *binding_set;

  object_class = (GtkObjectClass *) klass;
  widget_class = (GtkWidgetClass *) klass;
  container_class = (GtkContainerClass *) klass;

  parent_class = gtk_type_class (GTK_TYPE_CONTAINER);

  gtk_object_add_arg_type ("GtkCList::n_columns",
			   GTK_TYPE_UINT,
			   GTK_ARG_READWRITE | GTK_ARG_CONSTRUCT_ONLY,
			   ARG_N_COLUMNS);
  gtk_object_add_arg_type ("GtkCList::shadow_type",
			   GTK_TYPE_SHADOW_TYPE,
			   GTK_ARG_READWRITE,
			   ARG_SHADOW_TYPE);
  gtk_object_add_arg_type ("GtkCList::selection_mode",
			   GTK_TYPE_SELECTION_MODE,
			   GTK_ARG_READWRITE,
			   ARG_SELECTION_MODE);
  gtk_object_add_arg_type ("GtkCList::row_height",
			   GTK_TYPE_UINT,
			   GTK_ARG_READWRITE,
			   ARG_ROW_HEIGHT);
  gtk_object_add_arg_type ("GtkCList::reorderable",
			   GTK_TYPE_BOOL,
			   GTK_ARG_READWRITE,
			   ARG_REORDERABLE);
  gtk_object_add_arg_type ("GtkCList::titles_active",
			   GTK_TYPE_BOOL,
			   GTK_ARG_READWRITE,
			   ARG_TITLES_ACTIVE);
  gtk_object_add_arg_type ("GtkCList::use_drag_icons",
			   GTK_TYPE_BOOL,
			   GTK_ARG_READWRITE,
			   ARG_USE_DRAG_ICONS);
  gtk_object_add_arg_type ("GtkCList::sort_type",
			   GTK_TYPE_SORT_TYPE,
			   GTK_ARG_READWRITE,
			   ARG_SORT_TYPE);  
  object_class->set_arg = gtk_clist_set_arg;
  object_class->get_arg = gtk_clist_get_arg;
  object_class->destroy = gtk_clist_destroy;
  object_class->finalize = gtk_clist_finalize;


  widget_class->set_scroll_adjustments_signal =
    gtk_signal_new ("set_scroll_adjustments",
		    GTK_RUN_LAST,
		    object_class->type,
		    GTK_SIGNAL_OFFSET (GtkCListClass, set_scroll_adjustments),
		    gtk_marshal_NONE__POINTER_POINTER,
		    GTK_TYPE_NONE, 2, GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT);

  clist_signals[SELECT_ROW] =
    gtk_signal_new ("select_row",
		    GTK_RUN_FIRST,
		    object_class->type,
		    GTK_SIGNAL_OFFSET (GtkCListClass, select_row),
		    gtk_marshal_NONE__INT_INT_POINTER,
		    GTK_TYPE_NONE, 3,
		    GTK_TYPE_INT,
		    GTK_TYPE_INT,
		    GTK_TYPE_GDK_EVENT);
  clist_signals[UNSELECT_ROW] =
    gtk_signal_new ("unselect_row",
		    GTK_RUN_FIRST,
		    object_class->type,
		    GTK_SIGNAL_OFFSET (GtkCListClass, unselect_row),
		    gtk_marshal_NONE__INT_INT_POINTER,
		    GTK_TYPE_NONE, 3, GTK_TYPE_INT,
		    GTK_TYPE_INT, GTK_TYPE_GDK_EVENT);
  clist_signals[ROW_MOVE] =
    gtk_signal_new ("row_move",
		    GTK_RUN_LAST,
		    object_class->type,
		    GTK_SIGNAL_OFFSET (GtkCListClass, row_move),
		    gtk_marshal_NONE__INT_INT,
		    GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT);
  clist_signals[CLICK_COLUMN] =
    gtk_signal_new ("click_column",
		    GTK_RUN_FIRST,
		    object_class->type,
		    GTK_SIGNAL_OFFSET (GtkCListClass, click_column),
		    gtk_marshal_NONE__INT,
		    GTK_TYPE_NONE, 1, GTK_TYPE_INT);
  clist_signals[RESIZE_COLUMN] =
    gtk_signal_new ("resize_column",
		    GTK_RUN_LAST,
		    object_class->type,
		    GTK_SIGNAL_OFFSET (GtkCListClass, resize_column),
		    gtk_marshal_NONE__INT_INT,
		    GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT);

  clist_signals[TOGGLE_FOCUS_ROW] =
    gtk_signal_new ("toggle_focus_row",
                    GTK_RUN_LAST | GTK_RUN_ACTION,
                    object_class->type,
                    GTK_SIGNAL_OFFSET (GtkCListClass, toggle_focus_row),
                    gtk_marshal_NONE__NONE,
                    GTK_TYPE_NONE, 0);
  clist_signals[SELECT_ALL] =
    gtk_signal_new ("select_all",
                    GTK_RUN_LAST | GTK_RUN_ACTION,
                    object_class->type,
                    GTK_SIGNAL_OFFSET (GtkCListClass, select_all),
                    gtk_marshal_NONE__NONE,
                    GTK_TYPE_NONE, 0);
  clist_signals[UNSELECT_ALL] =
    gtk_signal_new ("unselect_all",
                    GTK_RUN_LAST | GTK_RUN_ACTION,
                    object_class->type,
                    GTK_SIGNAL_OFFSET (GtkCListClass, unselect_all),
                    gtk_marshal_NONE__NONE,
                    GTK_TYPE_NONE, 0);
  clist_signals[UNDO_SELECTION] =
    gtk_signal_new ("undo_selection",
		    GTK_RUN_LAST | GTK_RUN_ACTION,
		    object_class->type,
		    GTK_SIGNAL_OFFSET (GtkCListClass, undo_selection),
		    gtk_marshal_NONE__NONE,
		    GTK_TYPE_NONE, 0);
  clist_signals[START_SELECTION] =
    gtk_signal_new ("start_selection",
		    GTK_RUN_LAST | GTK_RUN_ACTION,
		    object_class->type,
		    GTK_SIGNAL_OFFSET (GtkCListClass, start_selection),
		    gtk_marshal_NONE__NONE,
		    GTK_TYPE_NONE, 0);
  clist_signals[END_SELECTION] =
    gtk_signal_new ("end_selection",
		    GTK_RUN_LAST | GTK_RUN_ACTION,
		    object_class->type,
		    GTK_SIGNAL_OFFSET (GtkCListClass, end_selection),
		    gtk_marshal_NONE__NONE,
		    GTK_TYPE_NONE, 0);
  clist_signals[TOGGLE_ADD_MODE] =
    gtk_signal_new ("toggle_add_mode",
		    GTK_RUN_LAST | GTK_RUN_ACTION,
		    object_class->type,
		    GTK_SIGNAL_OFFSET (GtkCListClass, toggle_add_mode),
		    gtk_marshal_NONE__NONE,
		    GTK_TYPE_NONE, 0);
  clist_signals[EXTEND_SELECTION] =
    gtk_signal_new ("extend_selection",
                    GTK_RUN_LAST | GTK_RUN_ACTION,
                    object_class->type,
                    GTK_SIGNAL_OFFSET (GtkCListClass, extend_selection),
                    gtk_marshal_NONE__ENUM_FLOAT_BOOL,
                    GTK_TYPE_NONE, 3,
		    GTK_TYPE_SCROLL_TYPE, GTK_TYPE_FLOAT, GTK_TYPE_BOOL);
  clist_signals[SCROLL_VERTICAL] =
    gtk_signal_new ("scroll_vertical",
                    GTK_RUN_LAST | GTK_RUN_ACTION,
                    object_class->type,
                    GTK_SIGNAL_OFFSET (GtkCListClass, scroll_vertical),
                    gtk_marshal_NONE__ENUM_FLOAT,
                    GTK_TYPE_NONE, 2, GTK_TYPE_SCROLL_TYPE, GTK_TYPE_FLOAT);
  clist_signals[SCROLL_HORIZONTAL] =
    gtk_signal_new ("scroll_horizontal",
                    GTK_RUN_LAST | GTK_RUN_ACTION,
                    object_class->type,
                    GTK_SIGNAL_OFFSET (GtkCListClass, scroll_horizontal),
                    gtk_marshal_NONE__ENUM_FLOAT,
                    GTK_TYPE_NONE, 2, GTK_TYPE_SCROLL_TYPE, GTK_TYPE_FLOAT);
  clist_signals[ABORT_COLUMN_RESIZE] =
    gtk_signal_new ("abort_column_resize",
                    GTK_RUN_LAST | GTK_RUN_ACTION,
                    object_class->type,
                    GTK_SIGNAL_OFFSET (GtkCListClass, abort_column_resize),
                    gtk_marshal_NONE__NONE,
                    GTK_TYPE_NONE, 0);
  gtk_object_class_add_signals (object_class, clist_signals, LAST_SIGNAL);

  widget_class->realize = gtk_clist_realize;
  widget_class->unrealize = gtk_clist_unrealize;
  widget_class->map = gtk_clist_map;
  widget_class->unmap = gtk_clist_unmap;
  widget_class->draw = gtk_clist_draw;
  widget_class->button_press_event = gtk_clist_button_press;
  widget_class->button_release_event = gtk_clist_button_release;
  widget_class->motion_notify_event = gtk_clist_motion;
  widget_class->expose_event = gtk_clist_expose;
  widget_class->size_request = gtk_clist_size_request;
  widget_class->size_allocate = gtk_clist_size_allocate;
  widget_class->key_press_event = gtk_clist_key_press;
  widget_class->focus_in_event = gtk_clist_focus_in;
  widget_class->focus_out_event = gtk_clist_focus_out;
  widget_class->draw_focus = gtk_clist_draw_focus;
  widget_class->style_set = gtk_clist_style_set;
  widget_class->drag_begin = gtk_clist_drag_begin;
  widget_class->drag_end = gtk_clist_drag_end;
  widget_class->drag_motion = gtk_clist_drag_motion;
  widget_class->drag_leave = gtk_clist_drag_leave;
  widget_class->drag_drop = gtk_clist_drag_drop;
  widget_class->drag_data_get = gtk_clist_drag_data_get;
  widget_class->drag_data_received = gtk_clist_drag_data_received;

  /* container_class->add = NULL; use the default GtkContainerClass warning */
  /* container_class->remove=NULL; use the default GtkContainerClass warning */

  container_class->forall = gtk_clist_forall;
  container_class->focus = gtk_clist_focus;
  container_class->set_focus_child = gtk_clist_set_focus_child;

  klass->set_scroll_adjustments = gtk_clist_set_scroll_adjustments;
  klass->refresh = clist_refresh;
  klass->select_row = real_select_row;
  klass->unselect_row = real_unselect_row;
  klass->row_move = real_row_move;
  klass->undo_selection = real_undo_selection;
  klass->resync_selection = resync_selection;
  klass->selection_find = selection_find;
  klass->click_column = NULL;
  klass->resize_column = real_resize_column;
  klass->draw_row = draw_row;
  klass->draw_drag_highlight = draw_drag_highlight;
  klass->insert_row = real_insert_row;
  klass->remove_row = real_remove_row;
  klass->clear = real_clear;
  klass->sort_list = real_sort_list;
  klass->select_all = real_select_all;
  klass->unselect_all = real_unselect_all;
  klass->fake_unselect_all = fake_unselect_all;
  klass->scroll_horizontal = scroll_horizontal;
  klass->scroll_vertical = scroll_vertical;
  klass->extend_selection = extend_selection;
  klass->toggle_focus_row = toggle_focus_row;
  klass->toggle_add_mode = toggle_add_mode;
  klass->start_selection = start_selection;
  klass->end_selection = end_selection;
  klass->abort_column_resize = abort_column_resize;
  klass->set_cell_contents = set_cell_contents;
  klass->cell_size_request = cell_size_request;

  binding_set = gtk_binding_set_by_class (klass);
  gtk_binding_entry_add_signal (binding_set, GDK_Up, 0,
				"scroll_vertical", 2,
				GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
				GTK_TYPE_FLOAT, 0.0);
  gtk_binding_entry_add_signal (binding_set, GDK_Down, 0,
				"scroll_vertical", 2,
				GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
				GTK_TYPE_FLOAT, 0.0);
  gtk_binding_entry_add_signal (binding_set, GDK_Page_Up, 0,
				"scroll_vertical", 2,
				GTK_TYPE_ENUM, GTK_SCROLL_PAGE_BACKWARD,
				GTK_TYPE_FLOAT, 0.0);
  gtk_binding_entry_add_signal (binding_set, GDK_Page_Down, 0,
				"scroll_vertical", 2,
				GTK_TYPE_ENUM, GTK_SCROLL_PAGE_FORWARD,
				GTK_TYPE_FLOAT, 0.0);
  gtk_binding_entry_add_signal (binding_set, GDK_Home, GDK_CONTROL_MASK,
				"scroll_vertical", 2,
				GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
				GTK_TYPE_FLOAT, 0.0);
  gtk_binding_entry_add_signal (binding_set, GDK_End, GDK_CONTROL_MASK,
				"scroll_vertical", 2,
				GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
				GTK_TYPE_FLOAT, 1.0);

  gtk_binding_entry_add_signal (binding_set, GDK_Up, GDK_SHIFT_MASK,
				"extend_selection", 3,
				GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
				GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
  gtk_binding_entry_add_signal (binding_set, GDK_Down, GDK_SHIFT_MASK,
				"extend_selection", 3,
				GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
				GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
  gtk_binding_entry_add_signal (binding_set, GDK_Page_Up, GDK_SHIFT_MASK,
				"extend_selection", 3,
				GTK_TYPE_ENUM, GTK_SCROLL_PAGE_BACKWARD,
				GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
  gtk_binding_entry_add_signal (binding_set, GDK_Page_Down, GDK_SHIFT_MASK,
				"extend_selection", 3,
				GTK_TYPE_ENUM, GTK_SCROLL_PAGE_FORWARD,
				GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
  gtk_binding_entry_add_signal (binding_set, GDK_Home,
				GDK_SHIFT_MASK | GDK_CONTROL_MASK,
				"extend_selection", 3,
				GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
				GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE);
  gtk_binding_entry_add_signal (binding_set, GDK_End,
				GDK_SHIFT_MASK | GDK_CONTROL_MASK,
				"extend_selection", 3,
				GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
				GTK_TYPE_FLOAT, 1.0, GTK_TYPE_BOOL, TRUE);

  gtk_binding_entry_add_signal (binding_set, GDK_Left, 0,
				"scroll_horizontal", 2,
				GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD,
				GTK_TYPE_FLOAT, 0.0);
  gtk_binding_entry_add_signal (binding_set, GDK_Right, 0,
				"scroll_horizontal", 2,
				GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD,
				GTK_TYPE_FLOAT, 0.0);
  gtk_binding_entry_add_signal (binding_set, GDK_Home, 0,
				"scroll_horizontal", 2,
				GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
				GTK_TYPE_FLOAT, 0.0);
  gtk_binding_entry_add_signal (binding_set, GDK_End, 0,
				"scroll_horizontal", 2,
				GTK_TYPE_ENUM, GTK_SCROLL_JUMP,
				GTK_TYPE_FLOAT, 1.0);

  gtk_binding_entry_add_signal (binding_set, GDK_Escape, 0,
				"undo_selection", 0);
  gtk_binding_entry_add_signal (binding_set, GDK_Escape, 0,
				"abort_column_resize", 0);
  gtk_binding_entry_add_signal (binding_set, GDK_space, 0,
				"toggle_focus_row", 0);
  gtk_binding_entry_add_signal (binding_set, GDK_space, GDK_CONTROL_MASK,
				"toggle_add_mode", 0);
  gtk_binding_entry_add_signal (binding_set, '/', GDK_CONTROL_MASK,
				"select_all", 0);
  gtk_binding_entry_add_signal (binding_set, '\\', GDK_CONTROL_MASK,
				"unselect_all", 0);
  gtk_binding_entry_add_signal (binding_set, GDK_Shift_L,
				GDK_RELEASE_MASK | GDK_SHIFT_MASK,
				"end_selection", 0);
  gtk_binding_entry_add_signal (binding_set, GDK_Shift_R,
				GDK_RELEASE_MASK | GDK_SHIFT_MASK,
				"end_selection", 0);
  gtk_binding_entry_add_signal (binding_set, GDK_Shift_L,
				GDK_RELEASE_MASK | GDK_SHIFT_MASK |
				GDK_CONTROL_MASK,
				"end_selection", 0);
  gtk_binding_entry_add_signal (binding_set, GDK_Shift_R,
				GDK_RELEASE_MASK | GDK_SHIFT_MASK |
				GDK_CONTROL_MASK,
				"end_selection", 0);
}

static void
gtk_clist_set_arg (GtkObject      *object,
		   GtkArg         *arg,
		   guint           arg_id)
{
  GtkCList *clist;

  clist = GTK_CLIST (object);

  switch (arg_id)
    {
    case ARG_N_COLUMNS: /* construct-only arg, only set when !GTK_CONSTRUCTED */
      gtk_clist_construct (clist, MAX (1, GTK_VALUE_UINT (*arg)), NULL);
      break;
    case ARG_SHADOW_TYPE:
      gtk_clist_set_shadow_type (clist, GTK_VALUE_ENUM (*arg));
      break;
    case ARG_SELECTION_MODE:
      gtk_clist_set_selection_mode (clist, GTK_VALUE_ENUM (*arg));
      break;
    case ARG_ROW_HEIGHT:
      gtk_clist_set_row_height (clist, GTK_VALUE_UINT (*arg));
      break;
    case ARG_REORDERABLE:
      gtk_clist_set_reorderable (clist, GTK_VALUE_BOOL (*arg));
      break;
    case ARG_TITLES_ACTIVE:
      if (GTK_VALUE_BOOL (*arg))
	gtk_clist_column_titles_active (clist);
      else
	gtk_clist_column_titles_passive (clist);
      break;
    case ARG_USE_DRAG_ICONS:
      gtk_clist_set_use_drag_icons (clist, GTK_VALUE_BOOL (*arg));
      break;
    case ARG_SORT_TYPE:
      gtk_clist_set_sort_type (clist, GTK_VALUE_ENUM (*arg));
      break;
    }
}

static void
gtk_clist_get_arg (GtkObject      *object,
		   GtkArg         *arg,
		   guint           arg_id)
{
  GtkCList *clist;

  clist = GTK_CLIST (object);

  switch (arg_id)
    {
      guint i;