gtktreeview.c 232 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
/* gtktreeview.c
 * Copyright (C) 2000  Red Hat, Inc.,  Jonathan Blandford <jrb@redhat.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */


#include "gtktreeview.h"
#include "gtkrbtree.h"
Havoc Pennington's avatar
Havoc Pennington committed
23
#include "gtktreednd.h"
24 25 26 27 28 29 30
#include "gtktreeprivate.h"
#include "gtkcellrenderer.h"
#include "gtksignal.h"
#include "gtkmain.h"
#include "gtkbutton.h"
#include "gtkalignment.h"
#include "gtklabel.h"
Havoc Pennington's avatar
Havoc Pennington committed
31 32
#include "gtkhbox.h"
#include "gtkarrow.h"
33
#include "gtkintl.h"
34
#include "gtkbindings.h"
35 36 37

#include <gdk/gdkkeysyms.h>

Jonathan Blandford's avatar
Jonathan Blandford committed
38 39 40 41 42 43 44 45 46 47
#if defined (GDK_WINDOWING_X11)
#include "x11/gdkx.h"
#elif defined (GDK_WINDOWING_WIN32)
#include "win32/gdkwin32.h"
#elif defined(GDK_WINDOWING_FB)
#include "linux-fb/gdkfb.h"
#elif defined (GDK_WINDOWING_NANOX)
#include "nanox/gdkprivate-nanox.h"
#endif

48

49
#define SCROLL_EDGE_SIZE 15
50 51


Havoc Pennington's avatar
Havoc Pennington committed
52 53 54 55 56 57
/* The "background" areas of all rows/cells add up to cover the entire tree.
 * The background includes all inter-row and inter-cell spacing.
 * The "cell" areas are the cell_area passed in to gtk_cell_renderer_render(),
 * i.e. just the cells, no spacing.
 */
#define BACKGROUND_FIRST_PIXEL(tree_view,tree,node) (_gtk_rbtree_node_find_offset ((tree), (node)) + TREE_VIEW_HEADER_HEIGHT ((tree_view)))
58
#define CELL_FIRST_PIXEL(tree_view,tree,node,separator) (BACKGROUND_FIRST_PIXEL (tree_view,tree,node) + separator/2)
Havoc Pennington's avatar
Havoc Pennington committed
59 60

#define BACKGROUND_HEIGHT(node) (GTK_RBNODE_GET_HEIGHT (node))
61
#define CELL_HEIGHT(node, separator) (BACKGROUND_HEIGHT (node) - separator);
Havoc Pennington's avatar
Havoc Pennington committed
62 63 64

#define TREE_WINDOW_Y_TO_RBTREE_Y(tree_view,y) ((y) - TREE_VIEW_HEADER_HEIGHT (tree_view))
#define RBTREE_Y_TO_TREE_WINDOW_Y(tree_view,y) ((y) + TREE_VIEW_HEADER_HEIGHT (tree_view))
65 66


67
typedef struct _GtkTreeViewChild GtkTreeViewChild;
68 69 70 71 72 73 74
struct _GtkTreeViewChild
{
  GtkWidget *widget;
  gint x;
  gint y;
};

Jonathan Blandford's avatar
Jonathan Blandford committed
75

76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92
typedef struct _TreeViewDragInfo TreeViewDragInfo;
struct _TreeViewDragInfo
{
  GdkModifierType start_button_mask;
  GtkTargetList *source_target_list;
  GdkDragAction source_actions;
  GClosure *row_draggable_closure;

  GtkTargetList *dest_target_list;
  GClosure *location_droppable_closure;

  guint source_set : 1;
  guint dest_set : 1;
};


/* Signals */
93 94 95
enum
{
  ROW_ACTIVATED,
96 97
  EXPAND_ROW,
  COLLAPSE_ROW,
98
  COLUMNS_CHANGED,
99 100 101 102
  BEGIN_EXTENDED_SELECTION,
  END_EXTENDED_SELECTION,
  BEGIN_FREE_MOTION,
  END_FREE_MOTION,
103
  MOVE_CURSOR,
104
  SELECT_CURSOR_ROW,
105 106 107
  TOGGLE_CURSOR_ROW,
  EXPAND_COLLAPSE_CURSOR_ROW,
  SELECT_CURSOR_PARENT,
108 109 110
  LAST_SIGNAL
};

111
/* Properties */
112 113 114 115 116 117 118 119
enum {
  PROP_0,
  PROP_MODEL,
  PROP_HADJUSTMENT,
  PROP_VADJUSTMENT,
  PROP_HEADERS_VISIBLE,
  PROP_HEADERS_CLICKABLE,
  PROP_EXPANDER_COLUMN,
120
  PROP_REORDERABLE,
121 122
  PROP_RULES_HINT
};
123 124

static void     gtk_tree_view_class_init           (GtkTreeViewClass *klass);
125 126 127 128
static void     gtk_tree_view_init                 (GtkTreeView      *tree_view);

/* object signals */
static void     gtk_tree_view_finalize             (GObject          *object);
129 130 131
static void     gtk_tree_view_set_property         (GObject         *object,
						    guint            prop_id,
						    const GValue    *value,
Jonathan Blandford's avatar
Jonathan Blandford committed
132
						    GParamSpec      *pspec);
133 134 135
static void     gtk_tree_view_get_property         (GObject         *object,
						    guint            prop_id,
						    GValue          *value,
Jonathan Blandford's avatar
Jonathan Blandford committed
136
						    GParamSpec      *pspec);
137

138
/* gtkobject signals */
Jonathan Blandford's avatar
Jonathan Blandford committed
139 140
static void     gtk_tree_view_destroy              (GtkObject        *object);

141
/* gtkwidget signals */
142
static void     gtk_tree_view_setup_model          (GtkTreeView      *tree_view);
143 144 145 146 147 148 149 150 151
static void     gtk_tree_view_realize              (GtkWidget        *widget);
static void     gtk_tree_view_unrealize            (GtkWidget        *widget);
static void     gtk_tree_view_map                  (GtkWidget        *widget);
static void     gtk_tree_view_size_request         (GtkWidget        *widget,
						    GtkRequisition   *requisition);
static void     gtk_tree_view_size_allocate        (GtkWidget        *widget,
						    GtkAllocation    *allocation);
static gboolean gtk_tree_view_expose               (GtkWidget        *widget,
						    GdkEventExpose   *event);
152 153
static gboolean gtk_tree_view_key_press            (GtkWidget        *widget,
						    GdkEventKey      *event);
154 155 156 157 158 159 160 161 162 163
static gboolean gtk_tree_view_motion               (GtkWidget        *widget,
						    GdkEventMotion   *event);
static gboolean gtk_tree_view_enter_notify         (GtkWidget        *widget,
						    GdkEventCrossing *event);
static gboolean gtk_tree_view_leave_notify         (GtkWidget        *widget,
						    GdkEventCrossing *event);
static gboolean gtk_tree_view_button_press         (GtkWidget        *widget,
						    GdkEventButton   *event);
static gboolean gtk_tree_view_button_release       (GtkWidget        *widget,
						    GdkEventButton   *event);
164 165
static void     gtk_tree_view_set_focus_child      (GtkContainer     *container,
						    GtkWidget        *child);
166 167 168 169 170
static void     gtk_tree_view_draw_focus           (GtkWidget        *widget);
static gint     gtk_tree_view_focus_in             (GtkWidget        *widget,
						    GdkEventFocus    *event);
static gint     gtk_tree_view_focus_out            (GtkWidget        *widget,
						    GdkEventFocus    *event);
171
static gint     gtk_tree_view_focus                (GtkWidget        *widget,
172 173 174 175 176 177 178 179 180 181
						    GtkDirectionType  direction);

/* container signals */
static void     gtk_tree_view_remove               (GtkContainer     *container,
						    GtkWidget        *widget);
static void     gtk_tree_view_forall               (GtkContainer     *container,
						    gboolean          include_internals,
						    GtkCallback       callback,
						    gpointer          callback_data);

Havoc Pennington's avatar
Havoc Pennington committed
182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216
/* Source side drag signals */
static void gtk_tree_view_drag_begin       (GtkWidget        *widget,
                                            GdkDragContext   *context);
static void gtk_tree_view_drag_end         (GtkWidget        *widget,
                                            GdkDragContext   *context);
static void gtk_tree_view_drag_data_get    (GtkWidget        *widget,
                                            GdkDragContext   *context,
                                            GtkSelectionData *selection_data,
                                            guint             info,
                                            guint             time);
static void gtk_tree_view_drag_data_delete (GtkWidget        *widget,
                                            GdkDragContext   *context);

/* Target side drag signals */
static void     gtk_tree_view_drag_leave         (GtkWidget        *widget,
                                                  GdkDragContext   *context,
                                                  guint             time);
static gboolean gtk_tree_view_drag_motion        (GtkWidget        *widget,
                                                  GdkDragContext   *context,
                                                  gint              x,
                                                  gint              y,
                                                  guint             time);
static gboolean gtk_tree_view_drag_drop          (GtkWidget        *widget,
                                                  GdkDragContext   *context,
                                                  gint              x,
                                                  gint              y,
                                                  guint             time);
static void     gtk_tree_view_drag_data_received (GtkWidget        *widget,
                                                  GdkDragContext   *context,
                                                  gint              x,
                                                  gint              y,
                                                  GtkSelectionData *selection_data,
                                                  guint             info,
                                                  guint             time);

217
/* tree_model signals */
218 219 220
static void gtk_tree_view_set_adjustments                 (GtkTreeView     *tree_view,
							   GtkAdjustment   *hadj,
							   GtkAdjustment   *vadj);
221 222 223 224
static void gtk_tree_view_real_begin_extended_selection   (GtkTreeView     *tree_view);
static void gtk_tree_view_real_end_extended_selection     (GtkTreeView     *tree_view);
static void gtk_tree_view_real_begin_free_motion          (GtkTreeView     *tree_view);
static void gtk_tree_view_real_end_free_motion            (GtkTreeView     *tree_view);
225 226
static void gtk_tree_view_real_move_cursor                (GtkTreeView     *tree_view,
							   GtkMovementStep  step,
227
							   gint             count);
228
static void gtk_tree_view_real_select_cursor_row          (GtkTreeView     *tree_view);
229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259
static void gtk_tree_view_real_toggle_cursor_row          (GtkTreeView     *tree_view);
static void gtk_tree_view_real_expand_collapse_cursor_row (GtkTreeView     *tree_view,
							   gboolean         logical,
							   gboolean         expand,
							   gboolean         open_all);
static void gtk_tree_view_real_select_cursor_parent       (GtkTreeView     *tree_view);
static void gtk_tree_view_range_changed                   (GtkTreeModel    *model,
							   GtkTreePath     *path,
							   GtkTreeIter     *iter,
							   GtkTreePath     *end_path,
							   GtkTreeIter     *end_iter,
							   gpointer         data);
static void gtk_tree_view_inserted                        (GtkTreeModel    *model,
							   GtkTreePath     *path,
							   GtkTreeIter     *iter,
							   gpointer         data);
static void gtk_tree_view_has_child_toggled               (GtkTreeModel    *model,
							   GtkTreePath     *path,
							   GtkTreeIter     *iter,
							   gpointer         data);
static void gtk_tree_view_deleted                         (GtkTreeModel    *model,
							   GtkTreePath     *path,
							   gpointer         data);
static void gtk_tree_view_reordered                       (GtkTreeModel    *model,
							   GtkTreePath     *parent,
							   GtkTreeIter     *iter,
							   gint            *new_order,
							   gpointer         data);



260
/* Internal functions */
261 262 263 264 265 266

static void     gtk_tree_view_add_move_binding     (GtkBindingSet    *binding_set,
						    guint             keyval,
						    guint             modmask,
						    GtkMovementStep   step,
						    gint              count);
267 268
static void     gtk_tree_view_unref_tree           (GtkTreeView      *tree_view,
						    GtkRBTree        *tree);
269 270 271 272
static void     gtk_tree_view_queue_draw_node      (GtkTreeView      *tree_view,
						    GtkRBTree        *tree,
						    GtkRBNode        *node,
						    GdkRectangle     *clip_rect);
Havoc Pennington's avatar
Havoc Pennington committed
273 274 275
static void     gtk_tree_view_queue_draw_path      (GtkTreeView      *tree_view,
                                                    GtkTreePath      *path,
                                                    GdkRectangle     *clip_rect);
276
static void     gtk_tree_view_draw_arrow           (GtkTreeView      *tree_view,
Havoc Pennington's avatar
Havoc Pennington committed
277
                                                    GtkRBTree        *tree,
278 279 280
						    GtkRBNode        *node,
						    gint              x,
						    gint              y);
Havoc Pennington's avatar
Havoc Pennington committed
281 282
static void     gtk_tree_view_get_arrow_xrange     (GtkTreeView      *tree_view,
                                                    gint              *x1,
Havoc Pennington's avatar
Havoc Pennington committed
283
                                                    gint              *x2);
284 285 286
static gint     gtk_tree_view_new_column_width     (GtkTreeView      *tree_view,
						    gint              i,
						    gint             *x);
287 288
static void     gtk_tree_view_ensure_scroll_timeout(GtkTreeView      *tree_view,
						    GFunc             func);
289 290
static void     gtk_tree_view_adjustment_changed   (GtkAdjustment    *adjustment,
						    GtkTreeView      *tree_view);
291
static gint     gtk_tree_view_insert_iter_height   (GtkTreeView      *tree_view,
292
						    GtkRBTree        *tree,
293
						    GtkTreeIter      *iter,
294 295 296
						    gint              depth);
static void     gtk_tree_view_build_tree           (GtkTreeView      *tree_view,
						    GtkRBTree        *tree,
297
						    GtkTreeIter      *iter,
298 299 300 301 302
						    gint              depth,
						    gboolean          recurse,
						    gboolean          calc_bounds);
static void     gtk_tree_view_calc_size            (GtkTreeView      *priv,
						    GtkRBTree        *tree,
303
						    GtkTreeIter      *iter,
304
						    gint              depth);
305 306
static gboolean gtk_tree_view_discover_dirty_iter  (GtkTreeView      *tree_view,
						    GtkTreeIter      *iter,
307 308 309 310
						    gint              depth,
						    gint             *height);
static void     gtk_tree_view_discover_dirty       (GtkTreeView      *tree_view,
						    GtkRBTree        *tree,
311
						    GtkTreeIter      *iter,
312 313 314 315 316
						    gint              depth);
static void     gtk_tree_view_check_dirty          (GtkTreeView      *tree_view);
static void     gtk_tree_view_clamp_node_visible   (GtkTreeView      *tree_view,
						    GtkRBTree        *tree,
						    GtkRBNode        *node);
Havoc Pennington's avatar
Havoc Pennington committed
317 318
static gboolean gtk_tree_view_maybe_begin_dragging_row (GtkTreeView      *tree_view,
                                                        GdkEventMotion   *event);
319
static void     _gtk_tree_view_update_col_width    (GtkTreeView      *tree_view);
320 321


322
static void gtk_tree_view_focus_to_cursor          (GtkTreeView *tree_view);
323
static void gtk_tree_view_move_cursor_up_down      (GtkTreeView *tree_view,
324
						    gint         count);
325
static void gtk_tree_view_move_cursor_page_up_down (GtkTreeView *tree_view,
326
						    gint         count);
327 328 329
static void gtk_tree_view_move_cursor_left_right   (GtkTreeView *tree_view,
						    gint         count);
static void gtk_tree_view_move_cursor_start_end    (GtkTreeView *tree_view,
330
						    gint         count);
331 332 333 334 335 336 337 338 339
static gboolean gtk_tree_view_real_collapse_row (GtkTreeView *tree_view,
						 GtkTreePath *path,
						 GtkRBTree   *tree,
						 GtkRBNode   *node);
static gboolean gtk_tree_view_real_expand_row (GtkTreeView *tree_view,
					       GtkTreePath *path,
					       GtkRBTree   *tree,
					       GtkRBNode   *node,
					       gboolean     open_all);
340 341 342
static void gtk_tree_view_real_set_cursor (GtkTreeView *tree_view,
					   GtkTreePath *path,
					   gboolean     clear_and_select);
343

344 345

static GtkContainerClass *parent_class = NULL;
346
static guint tree_view_signals[LAST_SIGNAL] = { 0 };
347

348 349 350 351 352


/* GType Methods
 */

353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372
GtkType
gtk_tree_view_get_type (void)
{
  static GtkType tree_view_type = 0;

  if (!tree_view_type)
    {
      static const GTypeInfo tree_view_info =
      {
        sizeof (GtkTreeViewClass),
	NULL,		/* base_init */
	NULL,		/* base_finalize */
        (GClassInitFunc) gtk_tree_view_class_init,
	NULL,		/* class_finalize */
	NULL,		/* class_data */
        sizeof (GtkTreeView),
	0,              /* n_preallocs */
        (GInstanceInitFunc) gtk_tree_view_init
      };

373
      tree_view_type = g_type_register_static (GTK_TYPE_CONTAINER, "GtkTreeView", &tree_view_info, 0);
374 375 376 377 378 379 380 381
    }

  return tree_view_type;
}

static void
gtk_tree_view_class_init (GtkTreeViewClass *class)
{
382
  GObjectClass *o_class;
383 384 385
  GtkObjectClass *object_class;
  GtkWidgetClass *widget_class;
  GtkContainerClass *container_class;
386
  GtkBindingSet *binding_set;
387

388
  parent_class = g_type_class_peek_parent (class);
389
  binding_set = gtk_binding_set_by_class (class);
390

391 392 393 394 395
  o_class = (GObjectClass *) class;
  object_class = (GtkObjectClass *) class;
  widget_class = (GtkWidgetClass *) class;
  container_class = (GtkContainerClass *) class;

396
  /* GObject signals */
397 398
  o_class->set_property = gtk_tree_view_set_property;
  o_class->get_property = gtk_tree_view_get_property;
399
  o_class->finalize = gtk_tree_view_finalize;
400

401
  /* GtkObject signals */
Jonathan Blandford's avatar
Jonathan Blandford committed
402
  object_class->destroy = gtk_tree_view_destroy;
403

404 405
  /* GtkWidget signals */
  widget_class->map = gtk_tree_view_map;
406 407 408 409
  widget_class->realize = gtk_tree_view_realize;
  widget_class->unrealize = gtk_tree_view_unrealize;
  widget_class->size_request = gtk_tree_view_size_request;
  widget_class->size_allocate = gtk_tree_view_size_allocate;
410 411
  widget_class->button_press_event = gtk_tree_view_button_press;
  widget_class->button_release_event = gtk_tree_view_button_release;
412
  widget_class->motion_notify_event = gtk_tree_view_motion;
413
  widget_class->expose_event = gtk_tree_view_expose;
414
  widget_class->key_press_event = gtk_tree_view_key_press;
415 416 417 418
  widget_class->enter_notify_event = gtk_tree_view_enter_notify;
  widget_class->leave_notify_event = gtk_tree_view_leave_notify;
  widget_class->focus_in_event = gtk_tree_view_focus_in;
  widget_class->focus_out_event = gtk_tree_view_focus_out;
Havoc Pennington's avatar
Havoc Pennington committed
419 420 421 422 423 424 425 426
  widget_class->drag_begin = gtk_tree_view_drag_begin;
  widget_class->drag_end = gtk_tree_view_drag_end;
  widget_class->drag_data_get = gtk_tree_view_drag_data_get;
  widget_class->drag_data_delete = gtk_tree_view_drag_data_delete;
  widget_class->drag_leave = gtk_tree_view_drag_leave;
  widget_class->drag_motion = gtk_tree_view_drag_motion;
  widget_class->drag_drop = gtk_tree_view_drag_drop;
  widget_class->drag_data_received = gtk_tree_view_drag_data_received;
427 428
  widget_class->focus = gtk_tree_view_focus;
  
429
  /* GtkContainer signals */
430
  container_class->remove = gtk_tree_view_remove;
431 432
  container_class->forall = gtk_tree_view_forall;
  container_class->set_focus_child = gtk_tree_view_set_focus_child;
433 434

  class->set_scroll_adjustments = gtk_tree_view_set_adjustments;
435 436 437 438
  class->begin_extended_selection = gtk_tree_view_real_begin_extended_selection;
  class->end_extended_selection = gtk_tree_view_real_end_extended_selection;
  class->begin_free_motion = gtk_tree_view_real_begin_free_motion;
  class->end_free_motion = gtk_tree_view_real_end_free_motion;
439
  class->move_cursor = gtk_tree_view_real_move_cursor;
440
  class->select_cursor_row = gtk_tree_view_real_select_cursor_row;
441 442 443 444
  class->toggle_cursor_row = gtk_tree_view_real_toggle_cursor_row;
  class->expand_collapse_cursor_row = gtk_tree_view_real_expand_collapse_cursor_row;
  class->select_cursor_parent = gtk_tree_view_real_select_cursor_parent;

445
  /* Properties */
446

447 448
  g_object_class_install_property (o_class,
                                   PROP_MODEL,
Tim Janik's avatar
Tim Janik committed
449 450 451 452 453
                                   g_param_spec_object ("model",
							_("TreeView Model"),
							_("The model for the tree view"),
							GTK_TYPE_TREE_MODEL,
							G_PARAM_READWRITE));
Jonathan Blandford's avatar
Jonathan Blandford committed
454

455 456 457 458
  g_object_class_install_property (o_class,
                                   PROP_HADJUSTMENT,
                                   g_param_spec_object ("hadjustment",
							_("Horizontal Adjustment"),
Jonathan Blandford's avatar
Jonathan Blandford committed
459
                                                        _("Horizontal Adjustment for the widget"),
460 461 462 463 464 465 466
                                                        GTK_TYPE_ADJUSTMENT,
                                                        G_PARAM_READWRITE));

  g_object_class_install_property (o_class,
                                   PROP_VADJUSTMENT,
                                   g_param_spec_object ("vadjustment",
							_("Vertical Adjustment"),
Jonathan Blandford's avatar
Jonathan Blandford committed
467
                                                        _("Vertical Adjustment for the widget"),
468 469 470 471 472 473 474
                                                        GTK_TYPE_ADJUSTMENT,
                                                        G_PARAM_READWRITE));

  g_object_class_install_property (o_class,
                                   PROP_HEADERS_VISIBLE,
                                   g_param_spec_boolean ("headers_visible",
							 _("Visible"),
Jonathan Blandford's avatar
Jonathan Blandford committed
475
							 _("Show the column header buttons"),
476 477 478 479 480 481 482
							 FALSE,
							 G_PARAM_READWRITE));

  g_object_class_install_property (o_class,
                                   PROP_HEADERS_CLICKABLE,
                                   g_param_spec_boolean ("headers_clickable",
							 _("Headers Clickable"),
Jonathan Blandford's avatar
Jonathan Blandford committed
483
							 _("Column headers respond to click events"),
484
							 FALSE,
485
							 G_PARAM_WRITABLE));
486 487 488 489 490 491 492 493 494 495 496

  g_object_class_install_property (o_class,
                                   PROP_EXPANDER_COLUMN,
                                   g_param_spec_uint ("expander_column",
						      _("Expand Column"),
						      _("Set the column number for the expander column"),
						      0,
						      G_MAXINT,
						      0,
						      G_PARAM_READWRITE));

497 498 499 500 501 502 503 504
  g_object_class_install_property (o_class,
                                   PROP_REORDERABLE,
                                   g_param_spec_boolean ("reorderable",
							 _("Reorderable"),
							 _("View is reorderable"),
							 FALSE,
							 G_PARAM_READWRITE));

505 506 507 508
  g_object_class_install_property (o_class,
                                   PROP_RULES_HINT,
                                   g_param_spec_boolean ("rules_hint",
							 _("Rules Hint"),
Jonathan Blandford's avatar
Jonathan Blandford committed
509
							 _("Set a hint to the theme engine to draw rows in alternating colors"),
510 511 512
							 FALSE,
							 G_PARAM_READWRITE));

513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556
  /* Style properties */
  /* the width of the column resize windows */
#define _TREE_VIEW_EXPANDER_WIDTH 14
#define _TREE_VIEW_EXPANDER_HEIGHT 14
#define _TREE_VIEW_VERTICAL_SEPARATOR 2
#define _TREE_VIEW_HORIZONTAL_SEPARATOR 0

  gtk_widget_class_install_style_property (widget_class,
					   g_param_spec_int ("expander_width",
							     _("Expander Width"),
							     _("Width of the expander arrow"),
							     0,
							     G_MAXINT,
							     _TREE_VIEW_EXPANDER_WIDTH,
							     G_PARAM_READABLE));

  gtk_widget_class_install_style_property (widget_class,
					   g_param_spec_int ("expander_height",
							     _("Expander Height"),
							     _("Height of the expander arrow"),
							     4,
							     G_MAXINT,
							     _TREE_VIEW_EXPANDER_HEIGHT,
							     G_PARAM_READABLE));

    gtk_widget_class_install_style_property (widget_class,
					   g_param_spec_int ("vertical_separator",
							     _("Vertical Separator Width"),
							     _("Vertical space between cells"),
							     0,
							     G_MAXINT,
							     _TREE_VIEW_VERTICAL_SEPARATOR,
							     G_PARAM_READABLE));

    gtk_widget_class_install_style_property (widget_class,
					   g_param_spec_int ("horizontal_separator",
							     _("Horizontal Separator Width"),
							     _("Horizontal space between cells"),
							     0,
							     G_MAXINT,
							     _TREE_VIEW_HORIZONTAL_SEPARATOR,
							     G_PARAM_READABLE));

  /* Signals */
557 558 559 560 561
  widget_class->set_scroll_adjustments_signal =
    gtk_signal_new ("set_scroll_adjustments",
		    GTK_RUN_LAST,
		    GTK_CLASS_TYPE (object_class),
		    GTK_SIGNAL_OFFSET (GtkTreeViewClass, set_scroll_adjustments),
Tim Janik's avatar
Tim Janik committed
562
		    gtk_marshal_VOID__OBJECT_OBJECT,
563
		    GTK_TYPE_NONE, 2,
564
		    GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT);
565

566 567 568 569 570 571 572 573 574
  tree_view_signals[ROW_ACTIVATED] =
    gtk_signal_new ("row_activated",
		    GTK_RUN_LAST | GTK_RUN_ACTION,
		    GTK_CLASS_TYPE (object_class),
		    GTK_SIGNAL_OFFSET (GtkTreeViewClass, row_activated),
		    gtk_marshal_VOID__BOXED_OBJECT,
		    GTK_TYPE_NONE, 2,
		    GTK_TYPE_TREE_PATH,
		    GTK_TYPE_TREE_VIEW_COLUMN);
575

576 577 578 579 580 581 582 583 584 585
  tree_view_signals[EXPAND_ROW] =
    g_signal_newc ("expand_row",
		   G_TYPE_FROM_CLASS (object_class),
		   G_SIGNAL_RUN_LAST,
		   G_STRUCT_OFFSET (GtkTreeViewClass, expand_row),
		   _gtk_boolean_handled_accumulator, NULL,
		    gtk_marshal_BOOLEAN__BOXED_BOXED,
		   G_TYPE_BOOLEAN, 2,
		   GTK_TYPE_TREE_ITER,
		   GTK_TYPE_TREE_PATH);
586

587 588 589 590 591 592 593 594 595 596
  tree_view_signals[COLLAPSE_ROW] =
    g_signal_newc ("collapse_row",
		   G_TYPE_FROM_CLASS (object_class),
		   G_SIGNAL_RUN_LAST,
		   G_STRUCT_OFFSET (GtkTreeViewClass, collapse_row),
		   _gtk_boolean_handled_accumulator, NULL,
		    gtk_marshal_BOOLEAN__BOXED_BOXED,
		   G_TYPE_BOOLEAN, 2,
		   GTK_TYPE_TREE_ITER,
		   GTK_TYPE_TREE_PATH);
597

598 599 600 601 602 603 604 605 606
  tree_view_signals[COLUMNS_CHANGED] =
    g_signal_newc ("columns_changed",
		   G_TYPE_FROM_CLASS (object_class),
		   G_SIGNAL_RUN_LAST,
		   G_STRUCT_OFFSET (GtkTreeViewClass, columns_changed),
		   NULL, NULL,
		   gtk_marshal_NONE__NONE,
		   G_TYPE_NONE, 0);

607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642
  tree_view_signals[BEGIN_EXTENDED_SELECTION] =
    g_signal_newc ("begin_extended_selection",
		   G_TYPE_FROM_CLASS (object_class),
		   G_SIGNAL_RUN_LAST | GTK_RUN_ACTION,
		   G_STRUCT_OFFSET (GtkTreeViewClass, begin_extended_selection),
		   NULL, NULL,
		   gtk_marshal_NONE__NONE,
		   G_TYPE_NONE, 0);

  tree_view_signals[END_EXTENDED_SELECTION] =
    g_signal_newc ("end_extended_selection",
		   G_TYPE_FROM_CLASS (object_class),
		   G_SIGNAL_RUN_LAST | GTK_RUN_ACTION,
		   G_STRUCT_OFFSET (GtkTreeViewClass, end_extended_selection),
		   NULL, NULL,
		   gtk_marshal_NONE__NONE,
		   G_TYPE_NONE, 0);

  tree_view_signals[BEGIN_FREE_MOTION] =
    g_signal_newc ("begin_free_motion",
		   G_TYPE_FROM_CLASS (object_class),
		   G_SIGNAL_RUN_LAST | GTK_RUN_ACTION,
		   G_STRUCT_OFFSET (GtkTreeViewClass, begin_free_motion),
		   NULL, NULL,
		   gtk_marshal_NONE__NONE,
		   G_TYPE_NONE, 0);

  tree_view_signals[END_FREE_MOTION] =
    g_signal_newc ("end_free_motion",
		   G_TYPE_FROM_CLASS (object_class),
		   G_SIGNAL_RUN_LAST | GTK_RUN_ACTION,
		   G_STRUCT_OFFSET (GtkTreeViewClass, end_free_motion),
		   NULL, NULL,
		   gtk_marshal_NONE__NONE,
		   G_TYPE_NONE, 0);

643 644 645 646 647 648
  tree_view_signals[MOVE_CURSOR] =
    g_signal_newc ("move_cursor",
		   G_TYPE_FROM_CLASS (object_class),
 		   G_SIGNAL_RUN_LAST | GTK_RUN_ACTION,
		   G_STRUCT_OFFSET (GtkTreeViewClass, move_cursor),
		   NULL, NULL,
649 650
		   gtk_marshal_VOID__ENUM_INT,
		   GTK_TYPE_NONE, 2, GTK_TYPE_MOVEMENT_STEP, GTK_TYPE_INT);
651

652 653 654 655 656 657 658 659 660
  tree_view_signals[SELECT_CURSOR_ROW] =
    g_signal_newc ("select_cursor_row",
		   G_TYPE_FROM_CLASS (object_class),
 		   G_SIGNAL_RUN_LAST | GTK_RUN_ACTION,
		   G_STRUCT_OFFSET (GtkTreeViewClass, select_cursor_row),
		   NULL, NULL,
		   gtk_marshal_NONE__NONE,
		   GTK_TYPE_NONE, 0);

661 662 663 664 665 666 667 668
  tree_view_signals[TOGGLE_CURSOR_ROW] =
    g_signal_newc ("toggle_cursor_row",
		   G_TYPE_FROM_CLASS (object_class),
 		   G_SIGNAL_RUN_LAST | GTK_RUN_ACTION,
		   G_STRUCT_OFFSET (GtkTreeViewClass, toggle_cursor_row),
		   NULL, NULL,
		   gtk_marshal_NONE__NONE,
		   GTK_TYPE_NONE, 0);
669

670 671 672 673 674 675 676 677
  tree_view_signals[EXPAND_COLLAPSE_CURSOR_ROW] =
    g_signal_newc ("expand_collapse_cursor_row",
		   G_TYPE_FROM_CLASS (object_class),
 		   G_SIGNAL_RUN_LAST | GTK_RUN_ACTION,
		   G_STRUCT_OFFSET (GtkTreeViewClass, expand_collapse_cursor_row),
		   NULL, NULL,
		   gtk_marshal_VOID__BOOLEAN_BOOLEAN_BOOLEAN,
		   GTK_TYPE_NONE, 3, GTK_TYPE_BOOL, GTK_TYPE_BOOL, GTK_TYPE_BOOL);
678

679 680 681 682 683 684 685 686
  tree_view_signals[SELECT_CURSOR_PARENT] =
    g_signal_newc ("select_cursor_parent",
		   G_TYPE_FROM_CLASS (object_class),
 		   G_SIGNAL_RUN_LAST | GTK_RUN_ACTION,
		   G_STRUCT_OFFSET (GtkTreeViewClass, select_cursor_parent),
		   NULL, NULL,
		   gtk_marshal_NONE__NONE,
		   GTK_TYPE_NONE, 0);
687

688
  /* Key bindings */
689 690 691 692 693 694 695 696 697
  gtk_binding_entry_add_signal (binding_set, GDK_Shift_L, 0, "begin_extended_selection", 0);
  gtk_binding_entry_add_signal (binding_set, GDK_Shift_L, GDK_SHIFT_MASK | GDK_RELEASE_MASK, "end_extended_selection", 0);
  gtk_binding_entry_add_signal (binding_set, GDK_Control_L, 0, "begin_free_motion", 0);
  gtk_binding_entry_add_signal (binding_set, GDK_Control_L, GDK_CONTROL_MASK | GDK_RELEASE_MASK, "end_free_motion", 0);
  gtk_binding_entry_add_signal (binding_set, GDK_Shift_R, 0, "begin_extended_selection", 0);
  gtk_binding_entry_add_signal (binding_set, GDK_Shift_R, GDK_SHIFT_MASK | GDK_RELEASE_MASK, "end_extended_selection", 0);
  gtk_binding_entry_add_signal (binding_set, GDK_Control_R, 0, "begin_free_motion", 0);
  gtk_binding_entry_add_signal (binding_set, GDK_Control_R, GDK_CONTROL_MASK | GDK_RELEASE_MASK, "end_free_motion", 0);

698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720
  gtk_tree_view_add_move_binding (binding_set, GDK_Up, 0,
				  GTK_MOVEMENT_DISPLAY_LINES, -1);

  gtk_tree_view_add_move_binding (binding_set, GDK_Down, 0,
				  GTK_MOVEMENT_DISPLAY_LINES, 1);

  gtk_tree_view_add_move_binding (binding_set, GDK_p, GDK_CONTROL_MASK,
				  GTK_MOVEMENT_DISPLAY_LINES, -1);

  gtk_tree_view_add_move_binding (binding_set, GDK_n, GDK_CONTROL_MASK,
				  GTK_MOVEMENT_DISPLAY_LINES, 1);

  gtk_tree_view_add_move_binding (binding_set, GDK_Home, 0,
				  GTK_MOVEMENT_BUFFER_ENDS, -1);

  gtk_tree_view_add_move_binding (binding_set, GDK_End, 0,
				  GTK_MOVEMENT_BUFFER_ENDS, 1);

  gtk_tree_view_add_move_binding (binding_set, GDK_Page_Up, 0,
				  GTK_MOVEMENT_PAGES, -1);

  gtk_tree_view_add_move_binding (binding_set, GDK_Page_Down, 0,
				  GTK_MOVEMENT_PAGES, 1);
721

722 723 724 725 726 727 728
  gtk_binding_entry_add_signal (binding_set, GDK_Right, 0, "move_cursor", 2,
				GTK_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS,
				GTK_TYPE_INT, 1);
				
  gtk_binding_entry_add_signal (binding_set, GDK_Left, 0, "move_cursor", 2,
				GTK_TYPE_ENUM, GTK_MOVEMENT_VISUAL_POSITIONS,
				GTK_TYPE_INT, -1);
729

730
  gtk_binding_entry_add_signal (binding_set, GDK_f, GDK_CONTROL_MASK, "move_cursor", 2,
731
				GTK_TYPE_ENUM, GTK_MOVEMENT_LOGICAL_POSITIONS,
732
				GTK_TYPE_INT, 1);
733

734
  gtk_binding_entry_add_signal (binding_set, GDK_b, GDK_CONTROL_MASK, "move_cursor", 2,
735
				GTK_TYPE_ENUM, GTK_MOVEMENT_LOGICAL_POSITIONS,
736
				GTK_TYPE_INT, -1);
737 738 739

  gtk_binding_entry_add_signal (binding_set, GDK_space, GDK_CONTROL_MASK, "toggle_cursor_row", 0);

740 741
  gtk_binding_entry_add_signal (binding_set, GDK_space, 0, "select_cursor_row", 0);

742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791
  /* expand and collapse rows */
  gtk_binding_entry_add_signal (binding_set, GDK_plus, 0, "expand_collapse_cursor_row", 3,
				GTK_TYPE_BOOL, FALSE,
				GTK_TYPE_BOOL, TRUE,
				GTK_TYPE_BOOL, FALSE);
  /* Not doable on US keyboards */
  gtk_binding_entry_add_signal (binding_set, GDK_plus, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3,
				GTK_TYPE_BOOL, FALSE,
				GTK_TYPE_BOOL, TRUE,
				GTK_TYPE_BOOL, TRUE);
  gtk_binding_entry_add_signal (binding_set, GDK_KP_Add, 0, "expand_collapse_cursor_row", 3,
				GTK_TYPE_BOOL, FALSE,
				GTK_TYPE_BOOL, TRUE,
				GTK_TYPE_BOOL, FALSE);
  gtk_binding_entry_add_signal (binding_set, GDK_KP_Add, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3,
				GTK_TYPE_BOOL, FALSE,
				GTK_TYPE_BOOL, TRUE,
				GTK_TYPE_BOOL, TRUE);
  gtk_binding_entry_add_signal (binding_set, GDK_KP_Add, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3,
				GTK_TYPE_BOOL, FALSE,
				GTK_TYPE_BOOL, TRUE,
				GTK_TYPE_BOOL, TRUE);
  gtk_binding_entry_add_signal (binding_set, GDK_Right, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3,
				GTK_TYPE_BOOL, TRUE,
				GTK_TYPE_BOOL, TRUE,
				GTK_TYPE_BOOL, TRUE);

  gtk_binding_entry_add_signal (binding_set, GDK_minus, 0, "expand_collapse_cursor_row", 3,
				GTK_TYPE_BOOL, FALSE,
				GTK_TYPE_BOOL, FALSE,
				GTK_TYPE_BOOL, FALSE);
  gtk_binding_entry_add_signal (binding_set, GDK_minus, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3,
				GTK_TYPE_BOOL, FALSE,
				GTK_TYPE_BOOL, FALSE,
				GTK_TYPE_BOOL, TRUE);
  gtk_binding_entry_add_signal (binding_set, GDK_KP_Subtract, 0, "expand_collapse_cursor_row", 3,
				GTK_TYPE_BOOL, FALSE,
				GTK_TYPE_BOOL, FALSE,
				GTK_TYPE_BOOL, FALSE);
  gtk_binding_entry_add_signal (binding_set, GDK_KP_Subtract, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3,
				GTK_TYPE_BOOL, FALSE,
				GTK_TYPE_BOOL, FALSE,
				GTK_TYPE_BOOL, TRUE);
  gtk_binding_entry_add_signal (binding_set, GDK_Left, GDK_SHIFT_MASK, "expand_collapse_cursor_row", 3,
				GTK_TYPE_BOOL, FALSE,
				GTK_TYPE_BOOL, FALSE,
				GTK_TYPE_BOOL, TRUE);

  gtk_binding_entry_add_signal (binding_set, GDK_BackSpace, 0, "select_cursor_parent", 0);

792 793 794 795 796 797 798 799 800 801
}

static void
gtk_tree_view_init (GtkTreeView *tree_view)
{
  tree_view->priv = g_new0 (GtkTreeViewPrivate, 1);

  GTK_WIDGET_SET_FLAGS (tree_view, GTK_CAN_FOCUS);

  tree_view->priv->flags = GTK_TREE_VIEW_IS_LIST | GTK_TREE_VIEW_SHOW_EXPANDERS | GTK_TREE_VIEW_DRAW_KEYFOCUS | GTK_TREE_VIEW_HEADERS_VISIBLE;
802
  gtk_widget_style_get (GTK_WIDGET (tree_view), "expander_width", &tree_view->priv->tab_offset, NULL);
803
  tree_view->priv->n_columns = 0;
804 805 806
  tree_view->priv->header_height = 1;
  tree_view->priv->x_drag = 0;
  tree_view->priv->drag_pos = -1;
807
  tree_view->priv->header_has_focus = FALSE;
Havoc Pennington's avatar
Havoc Pennington committed
808 809 810
  tree_view->priv->pressed_button = -1;
  tree_view->priv->press_start_x = -1;
  tree_view->priv->press_start_y = -1;
811
  tree_view->priv->reorderable = FALSE;
812
  gtk_tree_view_set_adjustments (tree_view, NULL, NULL);
813
  tree_view->priv->selection = _gtk_tree_selection_new_with_tree_view (tree_view);
814
  _gtk_tree_view_update_size (tree_view);
815

816 817
}

818

819

820
/* GObject Methods
821 822
 */

823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852
static void
gtk_tree_view_set_property (GObject         *object,
			    guint            prop_id,
			    const GValue    *value,
			    GParamSpec      *pspec)
{
  GtkTreeView *tree_view;

  tree_view = GTK_TREE_VIEW (object);

  switch (prop_id)
    {
    case PROP_MODEL:
      gtk_tree_view_set_model (tree_view, GTK_TREE_MODEL (g_value_get_object (value)));
      break;
    case PROP_HADJUSTMENT:
      gtk_tree_view_set_hadjustment (tree_view, GTK_ADJUSTMENT (g_value_get_object (value)));
      break;
    case PROP_VADJUSTMENT:
      gtk_tree_view_set_vadjustment (tree_view, GTK_ADJUSTMENT (g_value_get_object (value)));
      break;
    case PROP_HEADERS_VISIBLE:
      gtk_tree_view_set_headers_visible (tree_view, g_value_get_boolean (value));
      break;
    case PROP_HEADERS_CLICKABLE:
      gtk_tree_view_set_headers_clickable (tree_view, g_value_get_boolean (value));
      break;
    case PROP_EXPANDER_COLUMN:
      gtk_tree_view_set_expander_column (tree_view, g_value_get_uint (value));
      break;
853 854 855
    case PROP_REORDERABLE:
      gtk_tree_view_set_reorderable (tree_view, g_value_get_boolean (value));
      break;
856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890
    case PROP_RULES_HINT:
      gtk_tree_view_set_rules_hint (tree_view, g_value_get_boolean (value));
      break;
    default:
      break;
    }
}

static void
gtk_tree_view_get_property (GObject         *object,
			    guint            prop_id,
			    GValue          *value,
			    GParamSpec      *pspec)
{
  GtkTreeView *tree_view;

  tree_view = GTK_TREE_VIEW (object);

  switch (prop_id)
    {
    case PROP_MODEL:
      g_value_set_object (value, G_OBJECT (tree_view->priv->model));
      break;
    case PROP_HADJUSTMENT:
      g_value_set_object (value, G_OBJECT (tree_view->priv->hadjustment));
      break;
    case PROP_VADJUSTMENT:
      g_value_set_object (value, G_OBJECT (tree_view->priv->vadjustment));
      break;
    case PROP_HEADERS_VISIBLE:
      g_value_set_boolean (value, gtk_tree_view_get_headers_visible (tree_view));
      break;
    case PROP_EXPANDER_COLUMN:
      g_value_set_uint (value, tree_view->priv->expander_column);
      break;
891 892 893
    case PROP_REORDERABLE:
      g_value_set_boolean (value, tree_view->priv->reorderable);
      break;
894 895 896 897 898 899 900 901 902
    case PROP_RULES_HINT:
      g_value_set_boolean (value, tree_view->priv->has_rules);
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
    }
}

903 904 905 906 907 908
static void
gtk_tree_view_finalize (GObject *object)
{
  GtkTreeView *tree_view = (GtkTreeView *) object;

  g_free (tree_view->priv);
909

910 911 912 913
  if (G_OBJECT_CLASS (parent_class)->finalize)
    (* G_OBJECT_CLASS (parent_class)->finalize) (object);
}

914 915 916 917 918


/* GtkObject Methods
 */

Jonathan Blandford's avatar
Jonathan Blandford committed
919 920 921 922 923 924 925
static void
gtk_tree_view_destroy (GtkObject *object)
{
  GtkTreeView *tree_view = (GtkTreeView *) object;
  GList *list;


926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952
  if (tree_view->priv->tree != NULL)
    {
      gtk_tree_view_unref_tree (tree_view, tree_view->priv->tree);
      _gtk_rbtree_free (tree_view->priv->tree);
      tree_view->priv->tree = NULL;
    }

  if (tree_view->priv->model != NULL)
    {
      g_object_unref (G_OBJECT (tree_view->priv->model));
      tree_view->priv->model = NULL;
    }

  if (tree_view->priv->columns != NULL)
    {
      for (list = tree_view->priv->columns; list; list = list->next)
	g_object_unref (G_OBJECT (list->data));
      g_list_free (tree_view->priv->columns);
      tree_view->priv->columns = NULL;
    }

  if (tree_view->priv->selection != NULL)
    {
      _gtk_tree_selection_set_tree_view (tree_view->priv->selection, NULL);
      g_object_unref (tree_view->priv->selection);
      tree_view->priv->selection = NULL;
    }
Jonathan Blandford's avatar
Jonathan Blandford committed
953

954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977
  if (tree_view->priv->anchor != NULL)
    {
      gtk_tree_row_reference_free (tree_view->priv->anchor);
      tree_view->priv->anchor = NULL;
    }

  if (tree_view->priv->scroll_to_path != NULL)
    {
      gtk_tree_path_free (tree_view->priv->scroll_to_path);
      tree_view->priv->scroll_to_path = NULL;
    }

  if (tree_view->priv->drag_dest_row != NULL)
    {
      gtk_tree_row_reference_free (tree_view->priv->drag_dest_row);
      tree_view->priv->drag_dest_row = NULL;
    }

  if (tree_view->priv->cursor)
    {
      gtk_tree_row_reference_free (tree_view->priv->cursor);
      tree_view->priv->cursor = NULL;
    }

978 979 980 981 982 983 984
  if (tree_view->priv->column_drop_func_data &&
      tree_view->priv->column_drop_func_data_destroy)
    {
      (* tree_view->priv->column_drop_func_data_destroy) (tree_view->priv->column_drop_func_data);
      tree_view->priv->column_drop_func_data = NULL;
    }

985 986
  if (GTK_OBJECT_CLASS (parent_class)->destroy)
    (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
Jonathan Blandford's avatar
Jonathan Blandford committed
987 988
}

989 990 991


/* GtkWidget Methods
992 993
 */

994
/* GtkWidget::map helper */
995
static void
996
gtk_tree_view_map_buttons (GtkTreeView *tree_view)
997
{
998
  GList *list;
999

1000
  g_return_if_fail (GTK_WIDGET_MAPPED (tree_view));
1001

1002
  if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE))
1003
    {
1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026
      GtkTreeViewColumn *column;

      for (list = tree_view->priv->columns; list; list = list->next)
	{
	  column = list->data;
          if (GTK_WIDGET_VISIBLE (column->button) &&
              !GTK_WIDGET_MAPPED (column->button))
            gtk_widget_map (column->button);
	}
      for (list = tree_view->priv->columns; list; list = list->next)
	{
	  column = list->data;
	  if (column->visible == FALSE)
	    continue;
	  if (column->column_type == GTK_TREE_VIEW_COLUMN_RESIZEABLE)
	    {
	      gdk_window_raise (column->window);
	      gdk_window_show (column->window);
	    }
	  else
	    gdk_window_hide (column->window);
	}
      gdk_window_show (tree_view->priv->header_window);
1027 1028 1029 1030
    }
}

static void
1031
gtk_tree_view_map (GtkWidget *widget)
1032
{
1033
  GList *tmp_list;
1034 1035
  GtkTreeView *tree_view;

1036
  g_return_if_fail (GTK_IS_TREE_VIEW (widget));
Jonathan Blandford's avatar
Jonathan Blandford committed
1037

1038 1039 1040 1041 1042 1043
  tree_view = GTK_TREE_VIEW (widget);

  GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);

  tmp_list = tree_view->priv->children;
  while (tmp_list)
1044
    {
1045 1046 1047 1048 1049 1050 1051 1052
      GtkTreeViewChild *child = tmp_list->data;
      tmp_list = tmp_list->next;

      if (GTK_WIDGET_VISIBLE (child->widget))
	{
	  if (!GTK_WIDGET_MAPPED (child->widget))
	    gtk_widget_map (child->widget);
	}
1053
    }
1054
  gdk_window_show (tree_view->priv->bin_window);
1055

1056 1057 1058 1059
  gtk_tree_view_map_buttons (tree_view);

  gdk_window_show (widget->window);
}
1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153

static void
gtk_tree_view_realize (GtkWidget *widget)
{
  GList *tmp_list;
  GtkTreeView *tree_view;
  GdkGCValues values;
  GdkWindowAttr attributes;
  gint attributes_mask;

  g_return_if_fail (widget != NULL);
  g_return_if_fail (GTK_IS_TREE_VIEW (widget));

  tree_view = GTK_TREE_VIEW (widget);

  gtk_tree_view_check_dirty (GTK_TREE_VIEW (widget));
  GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);

  /* Make the main, clipping window */
  attributes.window_type = GDK_WINDOW_CHILD;
  attributes.x = widget->allocation.x;
  attributes.y = widget->allocation.y;
  attributes.width = widget->allocation.width;
  attributes.height = widget->allocation.height;
  attributes.wclass = GDK_INPUT_OUTPUT;
  attributes.visual = gtk_widget_get_visual (widget);
  attributes.colormap = gtk_widget_get_colormap (widget);
  attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK;

  attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;

  widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
				   &attributes, attributes_mask);
  gdk_window_set_user_data (widget->window, widget);

  /* Make the window for the tree */
  attributes.x = 0;
  attributes.y = 0;
  attributes.width = tree_view->priv->width;
  attributes.height = tree_view->priv->height + TREE_VIEW_HEADER_HEIGHT (tree_view);
  attributes.event_mask = GDK_EXPOSURE_MASK |
    GDK_SCROLL_MASK |
    GDK_POINTER_MOTION_MASK |
    GDK_ENTER_NOTIFY_MASK |
    GDK_LEAVE_NOTIFY_MASK |
    GDK_BUTTON_PRESS_MASK |
    GDK_BUTTON_RELEASE_MASK |
    gtk_widget_get_events (widget);

  tree_view->priv->bin_window = gdk_window_new (widget->window,
						&attributes, attributes_mask);
  gdk_window_set_user_data (tree_view->priv->bin_window, widget);

  /* Make the column header window */
  attributes.x = 0;
  attributes.y = 0;
  attributes.width = MAX (tree_view->priv->width, widget->allocation.width);
  attributes.height = tree_view->priv->header_height;
  attributes.event_mask = (GDK_EXPOSURE_MASK |
			   GDK_SCROLL_MASK |
			   GDK_BUTTON_PRESS_MASK |
			   GDK_BUTTON_RELEASE_MASK |
			   GDK_KEY_PRESS_MASK |
			   GDK_KEY_RELEASE_MASK) |
    gtk_widget_get_events (widget);

  tree_view->priv->header_window = gdk_window_new (widget->window,
						   &attributes, attributes_mask);
  gdk_window_set_user_data (tree_view->priv->header_window, widget);


  values.foreground = (widget->style->white.pixel==0 ?
		       widget->style->black:widget->style->white);
  values.function = GDK_XOR;
  values.subwindow_mode = GDK_INCLUDE_INFERIORS;
  tree_view->priv->xor_gc = gdk_gc_new_with_values (widget->window,
						    &values,
						    GDK_GC_FOREGROUND |
						    GDK_GC_FUNCTION |
						    GDK_GC_SUBWINDOW);
  /* Add them all up. */
  widget->style = gtk_style_attach (widget->style, widget->window);
  gdk_window_set_background (widget->window, &widget->style->base[widget->state]);
  gdk_window_set_background (tree_view->priv->bin_window, &widget->style->base[widget->state]);
  gtk_style_set_background (widget->style, tree_view->priv->header_window, GTK_STATE_NORMAL);

  tmp_list = tree_view->priv->children;
  while (tmp_list)
    {
      GtkTreeViewChild *child = tmp_list->data;
      tmp_list = tmp_list->next;

      gtk_widget_set_parent_window (child->widget, tree_view->priv->bin_window);
    }
1154 1155 1156 1157

  for (tmp_list = tree_view->priv->columns; tmp_list; tmp_list = tmp_list->next)
    _gtk_tree_view_column_realize_button (GTK_TREE_VIEW_COLUMN (tmp_list->data));

1158
  _gtk_tree_view_update_size (GTK_TREE_VIEW (widget));
1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174

  if (tree_view->priv->scroll_to_path != NULL ||
      tree_view->priv->scroll_to_column != NULL)
    {
      gtk_tree_view_scroll_to_cell (tree_view,
				    tree_view->priv->scroll_to_path,
				    tree_view->priv->scroll_to_column,
				    tree_view->priv->scroll_to_row_align,
				    tree_view->priv->scroll_to_col_align);
      if (tree_view->priv->scroll_to_path)
	{
	  gtk_tree_path_free (tree_view->priv->scroll_to_path);
	  tree_view->priv->scroll_to_path = NULL;
	}
      tree_view->priv->scroll_to_column = NULL;
    }
1175 1176 1177 1178 1179 1180
}

static void
gtk_tree_view_unrealize (GtkWidget *widget)
{
  GtkTreeView *tree_view;
1181
  GList *list;
1182 1183 1184 1185 1186

  g_return_if_fail (GTK_IS_TREE_VIEW (widget));

  tree_view = GTK_TREE_VIEW (widget);

Havoc Pennington's avatar
Havoc Pennington committed
1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197
  if (tree_view->priv->scroll_timeout != 0)
    {
      gtk_timeout_remove (tree_view->priv->scroll_timeout);
      tree_view->priv->scroll_timeout = 0;
    }

  if (tree_view->priv->open_dest_timeout != 0)
    {
      gtk_timeout_remove (tree_view->priv->open_dest_timeout);
      tree_view->priv->open_dest_timeout = 0;
    }
1198 1199 1200 1201

  for (list = tree_view->priv->columns; list; list = list->next)
    _gtk_tree_view_column_unrealize_button (GTK_TREE_VIEW_COLUMN (list->data));

1202 1203 1204 1205 1206 1207 1208 1209
  gdk_window_set_user_data (tree_view->priv->bin_window, NULL);
  gdk_window_destroy (tree_view->priv->bin_window);
  tree_view->priv->bin_window = NULL;

  gdk_window_set_user_data (tree_view->priv->header_window, NULL);
  gdk_window_destroy (tree_view->priv->header_window);
  tree_view->priv->header_window = NULL;

1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223
  if (tree_view->priv->drag_window)
    {
      gdk_window_set_user_data (tree_view->priv->drag_window, NULL);
      gdk_window_destroy (tree_view->priv->drag_window);
      tree_view->priv->drag_window = NULL;
    }

  if (tree_view->priv->drag_highlight_window)
    {
      gdk_window_set_user_data (tree_view->priv->drag_highlight_window, NULL);
      gdk_window_destroy (tree_view->priv->drag_highlight_window);
      tree_view->priv->drag_highlight_window = NULL;
    }

1224 1225 1226 1227 1228
  if (tree_view->priv->cursor_drag)
    {
      gdk_cursor_destroy (tree_view->priv->cursor_drag);
      tree_view->priv->cursor_drag = NULL;
    }
Jonathan Blandford's avatar
Jonathan Blandford committed
1229

1230 1231 1232 1233 1234
  if (tree_view->priv->xor_gc)
    {
      gdk_gc_destroy (tree_view->priv->xor_gc);
      tree_view->priv->xor_gc = NULL;
    }
Jonathan Blandford's avatar
Jonathan Blandford committed
1235

1236
  /* GtkWidget::unrealize destroys children and widget->window */
1237 1238 1239 1240
  if (GTK_WIDGET_CLASS (parent_class)->unrealize)
    (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
}

1241
/* GtkWidget::size_request helper */
1242
static void
1243
gtk_tree_view_size_request_buttons (GtkTreeView *tree_view)
1244 1245 1246
{
  GList *list;

1247
  tree_view->priv->header_height = 1;
Jonathan Blandford's avatar
Jonathan Blandford committed
1248

1249
  if (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_MODEL_SETUP))
1250
    {
1251 1252 1253
      for (list = tree_view->priv->columns; list; list = list->next)
        {
          GtkRequisition requisition;
1254 1255 1256 1257
          GtkTreeViewColumn *column = list->data;

	  if (column->button == NULL)
	    continue;
Jonathan Blandford's avatar
Jonathan Blandford committed
1258

1259
          column = list->data;
Jonathan Blandford's avatar
Jonathan Blandford committed
1260

1261
          gtk_widget_size_request (column->button, &requisition);
Jonathan Blandford's avatar
Jonathan Blandford committed
1262

1263
          _gtk_tree_view_column_set_width (column, MAX (column->width, requisition.width));
1264 1265
          tree_view->priv->header_height = MAX (tree_view->priv->header_height, requisition.height);
        }
1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279
    }
}

static void
gtk_tree_view_size_request (GtkWidget      *widget,
			    GtkRequisition *requisition)
{
  GtkTreeView *tree_view;
  GList *tmp_list;

  g_return_if_fail (GTK_IS_TREE_VIEW (widget));

  tree_view = GTK_TREE_VIEW (widget);

1280 1281
  requisition->width = tree_view->priv->width;
  requisition->height = tree_view->priv->height + tree_view->priv->header_height;
1282 1283 1284 1285 1286 1287 1288 1289 1290 1291

  tmp_list = tree_view->priv->children;

  while (tmp_list)
    {
      GtkTreeViewChild *child = tmp_list->data;
      GtkRequisition child_requisition;

      tmp_list = tmp_list->next;

1292 1293
      if (GTK_WIDGET_VISIBLE (child->widget))
        gtk_widget_size_request (child->widget