gimppatheditor.c 15.6 KB
Newer Older
1 2 3 4
/* LIBGIMP - The GIMP Library 
 * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball                
 *
 * gimppatheditor.c
5
 * Copyright (C) 1999 Michael Natterer <mitch@gimp.org>
6 7
 *
 * This library is free software; you can redistribute it and/or
Marc Lehmann's avatar
Marc Lehmann committed
8
 * modify it under the terms of the GNU Lesser General Public
9 10 11 12 13 14 15 16
 * 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.
 *
Marc Lehmann's avatar
Marc Lehmann committed
17
 * You should have received a copy of the GNU Lesser General Public
18 19 20 21
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */
22 23
#include <string.h>

24 25 26 27 28 29 30 31 32 33
#include "gimppatheditor.h"

#include "libgimp/gimpfileselection.h"
#include "libgimp/gimpintl.h"

#include "pixmaps/new.xpm"
#include "pixmaps/delete.xpm"
#include "pixmaps/raise.xpm"
#include "pixmaps/lower.xpm"

34
/*  forward declaration  */
35
static void gimp_path_editor_realize          (GtkWidget *widget);
36 37 38 39 40 41
static void gimp_path_editor_select_callback  (GtkWidget *widget, gpointer data);
static void gimp_path_editor_deselect_callback (GtkWidget *widget,
						gpointer data);
static void gimp_path_editor_new_callback     (GtkWidget *widget, gpointer data);
static void gimp_path_editor_move_callback    (GtkWidget *widget, gpointer data);
static void gimp_path_editor_filesel_callback (GtkWidget *widget, gpointer data);
42
static void gimp_path_editor_delete_callback  (GtkWidget *widget, gpointer data);
43

44 45
enum
{
46
  PATH_CHANGED,
47 48 49
  LAST_SIGNAL
};

Sven Neumann's avatar
Sven Neumann committed
50
static guint gimp_path_editor_signals[LAST_SIGNAL] = { 0 };
51 52 53 54 55 56 57

static GtkVBoxClass *parent_class = NULL;

static void
gimp_path_editor_class_init (GimpPathEditorClass *class)
{
  GtkObjectClass *object_class;
58
  GtkWidgetClass *widget_class;
59

60 61
  object_class = (GtkObjectClass *) class;
  widget_class = (GtkWidgetClass *) class;
62 63 64

  parent_class = gtk_type_class (gtk_vbox_get_type ());

65
  gimp_path_editor_signals[PATH_CHANGED] = 
66 67 68 69 70 71
    gtk_signal_new ("path_changed",
		    GTK_RUN_FIRST,
		    object_class->type,
		    GTK_SIGNAL_OFFSET (GimpPathEditorClass,
				       path_changed),
		    gtk_signal_default_marshaller, GTK_TYPE_NONE, 0);
72

73 74 75
  gtk_object_class_add_signals (object_class, gimp_path_editor_signals, 
				LAST_SIGNAL);

76
  class->path_changed = NULL;
77 78

  widget_class->realize = gimp_path_editor_realize;
79 80 81 82 83 84 85 86 87 88 89 90
}

static void
gimp_path_editor_init (GimpPathEditor *gpe)
{
  GtkWidget *button_box;
  GtkWidget *scrolled_window;

  gpe->file_selection = NULL;
  gpe->selected_item = NULL;
  gpe->number_of_items = 0;

91
  gpe->upper_hbox = gtk_hbox_new (FALSE, 2);
92 93 94 95 96 97 98 99 100
  gtk_box_pack_start (GTK_BOX (gpe), gpe->upper_hbox, FALSE, TRUE, 0);
  gtk_widget_show (gpe->upper_hbox);

  button_box = gtk_hbox_new (TRUE, 0);
  gtk_box_pack_start (GTK_BOX (gpe->upper_hbox), button_box, FALSE, TRUE, 0);
  gtk_widget_show (button_box);

  gpe->new_button = gtk_button_new ();
  gtk_box_pack_start (GTK_BOX (button_box), gpe->new_button, TRUE, TRUE, 0);
101 102 103
  gtk_signal_connect (GTK_OBJECT (gpe->new_button), "clicked",
		      GTK_SIGNAL_FUNC (gimp_path_editor_new_callback),
		      gpe);
104 105 106 107

  gpe->up_button = gtk_button_new ();
  gtk_widget_set_sensitive (gpe->up_button, FALSE);
  gtk_box_pack_start (GTK_BOX (button_box), gpe->up_button, TRUE, TRUE, 0);
108 109 110
  gtk_signal_connect (GTK_OBJECT (gpe->up_button), "clicked",
		      GTK_SIGNAL_FUNC (gimp_path_editor_move_callback),
		      gpe);
111 112 113 114

  gpe->down_button = gtk_button_new ();
  gtk_widget_set_sensitive (gpe->down_button, FALSE);
  gtk_box_pack_start (GTK_BOX (button_box), gpe->down_button, TRUE, TRUE, 0);
115 116 117
  gtk_signal_connect (GTK_OBJECT (gpe->down_button), "clicked",
		      GTK_SIGNAL_FUNC (gimp_path_editor_move_callback),
		      gpe);
118

119 120 121
  gpe->delete_button = gtk_button_new ();
  gtk_widget_set_sensitive (gpe->delete_button, FALSE);
  gtk_box_pack_start (GTK_BOX (button_box), gpe->delete_button, TRUE, TRUE, 0);
122 123 124 125 126 127 128 129
  gtk_signal_connect (GTK_OBJECT (gpe->delete_button), "clicked",
		      GTK_SIGNAL_FUNC (gimp_path_editor_delete_callback),
		      gpe);

  scrolled_window = gtk_scrolled_window_new (NULL, NULL);
  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
                                  GTK_POLICY_AUTOMATIC,
                                  GTK_POLICY_ALWAYS);
130
  gtk_box_pack_start (GTK_BOX (gpe), scrolled_window, TRUE, TRUE, 2);
131 132 133 134 135 136 137 138 139
  gtk_widget_show (scrolled_window);

  gpe->dir_list = gtk_list_new ();
  gtk_list_set_selection_mode (GTK_LIST (gpe->dir_list), GTK_SELECTION_SINGLE);
  gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (scrolled_window),
					 gpe->dir_list);
  gtk_widget_show (gpe->dir_list);
}

140
GtkType
141
gimp_path_editor_get_type (void)
142
{
143
  static GtkType gpe_type = 0;
144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165

  if (!gpe_type)
    {
      GtkTypeInfo gpe_info =
      {
	"GimpPathEditor",
	sizeof (GimpPathEditor),
	sizeof (GimpPathEditorClass),
	(GtkClassInitFunc) gimp_path_editor_class_init,
	(GtkObjectInitFunc) gimp_path_editor_init,
	/* reserved_1 */ NULL,
	/* reserved_2 */ NULL,
        (GtkClassInitFunc) NULL
      };

      gpe_type = gtk_type_unique (gtk_vbox_get_type (), &gpe_info);
    }
  
  return gpe_type;
}


166
GtkWidget *
167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184
gimp_path_editor_new (gchar *filesel_title,
		      gchar *path)
{
  GimpPathEditor *gpe;
  GtkWidget      *list_item;
  GList          *directory_list;
  gchar          *directory;

  g_return_val_if_fail ((filesel_title != NULL), NULL);
  g_return_val_if_fail ((path != NULL), NULL);

  gpe = gtk_type_new (gimp_path_editor_get_type ());

  gpe->file_selection = gimp_file_selection_new (filesel_title, "", TRUE, TRUE);
  gtk_widget_set_sensitive (gpe->file_selection, FALSE);
  gtk_box_pack_start (GTK_BOX (gpe->upper_hbox), gpe->file_selection,
		      TRUE, TRUE, 0);
  gtk_signal_connect (GTK_OBJECT (gpe->file_selection), "filename_changed",
185 186
		      GTK_SIGNAL_FUNC (gimp_path_editor_filesel_callback),
		      gpe);
187 188 189 190 191
  gtk_widget_show (gpe->file_selection);

  directory_list = NULL;
  directory = path = g_strdup (path);

192
  /*  split up the path  */
193 194 195 196 197 198 199 200 201 202 203 204 205 206
  while (strlen (directory))
    {
      gchar *current_dir;
      gchar *next_separator;

      next_separator = strchr (directory, G_SEARCHPATH_SEPARATOR);
      if (next_separator != NULL)
	*next_separator = '\0';

      current_dir = g_strdup (directory);

      list_item = gtk_list_item_new_with_label (current_dir);
      gtk_object_set_data_full (GTK_OBJECT (list_item), "gimp_path_editor",
				current_dir,
207
				(GtkDestroyNotify) g_free);
208 209
      directory_list = g_list_append (directory_list, list_item);
      gtk_signal_connect (GTK_OBJECT (list_item), "select",
210
			  GTK_SIGNAL_FUNC (gimp_path_editor_select_callback),
211 212
			  gpe);
      gtk_signal_connect (GTK_OBJECT (list_item), "deselect",
213
			  GTK_SIGNAL_FUNC (gimp_path_editor_deselect_callback),
214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232
			  gpe);
      gtk_widget_show (list_item);
      gpe->number_of_items++;

      if (next_separator != NULL)
	directory = next_separator + 1;
      else
	break;
    }

  g_free (path);

  if (directory_list)
    gtk_list_append_items (GTK_LIST (gpe->dir_list), directory_list);

  return GTK_WIDGET (gpe);
}

static void
233
gimp_path_editor_realize (GtkWidget *widget)
234 235 236 237 238 239 240 241
{
  GimpPathEditor *gpe;
  GtkStyle       *style;
  GdkPixmap      *pixmap;
  GdkBitmap      *mask;
  GtkWidget      *gtk_pixmap;
  /* GList          *list = NULL; */

242
  gpe = GIMP_PATH_EDITOR (widget);
243

244 245
  if (GTK_WIDGET_CLASS (parent_class)->realize)
    (* GTK_WIDGET_CLASS (parent_class)->realize) (widget);
246

247
  style = gtk_widget_get_style (widget);
248

249
  pixmap = gdk_pixmap_create_from_xpm_d (widget->window,
250 251 252 253 254 255 256 257
					 &mask,
					 &style->bg[GTK_STATE_NORMAL],
					 new_xpm);
  gtk_pixmap = gtk_pixmap_new (pixmap, mask);
  gtk_container_add (GTK_CONTAINER (gpe->new_button), gtk_pixmap);
  gtk_widget_show (gtk_pixmap);
  gtk_widget_show (gpe->new_button);

258 259 260
  gdk_pixmap_unref (pixmap);
  gdk_bitmap_unref (mask);

261
  pixmap = gdk_pixmap_create_from_xpm_d (widget->window,
262 263 264 265 266 267 268 269
					 &mask,
					 &style->bg[GTK_STATE_NORMAL],
					 raise_xpm);
  gtk_pixmap = gtk_pixmap_new (pixmap, mask);
  gtk_container_add (GTK_CONTAINER (gpe->up_button), gtk_pixmap);
  gtk_widget_show (gtk_pixmap);
  gtk_widget_show (gpe->up_button);

270 271 272
  gdk_pixmap_unref (pixmap);
  gdk_bitmap_unref (mask);

273
  pixmap = gdk_pixmap_create_from_xpm_d (widget->window,
274 275 276 277 278 279 280 281
					 &mask,
					 &style->bg[GTK_STATE_NORMAL],
					 lower_xpm);
  gtk_pixmap = gtk_pixmap_new (pixmap, mask);
  gtk_container_add (GTK_CONTAINER (gpe->down_button), gtk_pixmap);
  gtk_widget_show (gtk_pixmap);
  gtk_widget_show (gpe->down_button);

282 283 284
  gdk_pixmap_unref (pixmap);
  gdk_bitmap_unref (mask);

285
  pixmap = gdk_pixmap_create_from_xpm_d (widget->window,
286 287 288 289 290 291 292 293
					 &mask,
					 &style->bg[GTK_STATE_NORMAL],
					 delete_xpm);
  gtk_pixmap = gtk_pixmap_new (pixmap, mask);
  gtk_container_add (GTK_CONTAINER (gpe->delete_button), gtk_pixmap);
  gtk_widget_show (gtk_pixmap);
  gtk_widget_show (gpe->delete_button);

294 295
  gdk_pixmap_unref (pixmap);
  gdk_bitmap_unref (mask);
296 297
}

298
gchar *
299 300 301 302 303 304 305 306 307 308 309 310
gimp_path_editor_get_path (GimpPathEditor *gpe)
{
  GList *list;
  gchar *path = NULL;

  g_return_val_if_fail (gpe != NULL, g_strdup (""));
  g_return_val_if_fail (GIMP_IS_PATH_EDITOR (gpe), g_strdup (""));

  for (list = GTK_LIST (gpe->dir_list)->children; list; list = list->next)
    {
      if (path == NULL)
	{
311 312 313
	  path =
	    g_strdup ((gchar *) gtk_object_get_data (GTK_OBJECT (list->data),
						     "gimp_path_editor"));
314 315 316 317 318 319 320 321
	}
      else
	{
	  gchar *newpath;

	  newpath =
	    g_strconcat (path,
			 G_SEARCHPATH_SEPARATOR_S,
322 323
			 (gchar *) gtk_object_get_data (GTK_OBJECT (list->data),
							"gimp_path_editor"),
324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342
			 NULL);

	  g_free (path);
	  path = newpath;
	}
    }

  return path;
}

static void
gimp_path_editor_select_callback (GtkWidget *widget,
				  gpointer   data)
{
  GimpPathEditor *gpe;
  gint            pos;
  gchar          *directory;

  gpe = GIMP_PATH_EDITOR (data);
343 344
  directory = (gchar *) gtk_object_get_data (GTK_OBJECT (widget),
					     "gimp_path_editor");
345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398

  gtk_signal_handler_block_by_data (GTK_OBJECT (gpe->file_selection), gpe);
  gimp_file_selection_set_filename (GIMP_FILE_SELECTION (gpe->file_selection),
				    directory);
  gtk_signal_handler_unblock_by_data (GTK_OBJECT (gpe->file_selection), gpe);
  gpe->selected_item = widget;

  pos = gtk_list_child_position (GTK_LIST (gpe->dir_list), gpe->selected_item);

  gtk_widget_set_sensitive (gpe->delete_button, TRUE);
  gtk_widget_set_sensitive (gpe->up_button, (pos > 0));
  gtk_widget_set_sensitive (gpe->down_button,
			    (pos < (gpe->number_of_items - 1)));
  gtk_widget_set_sensitive (gpe->file_selection, TRUE);
}

/*  the selected directory may never be deselected except by the 'new'
 *  button, so catch the "deselect" signal and reselect it
 */
static void
gimp_path_editor_deselect_callback (GtkWidget *widget,
				    gpointer   data)
{
  GimpPathEditor *gpe;

  gpe = GIMP_PATH_EDITOR (data);

  if (widget != gpe->selected_item)
    return;

  gtk_signal_handler_block_by_data (GTK_OBJECT (gpe->selected_item), gpe);
  gtk_list_select_child (GTK_LIST (gpe->dir_list), gpe->selected_item);
  gtk_signal_handler_unblock_by_data (GTK_OBJECT (gpe->selected_item), gpe);
}

static void
gimp_path_editor_new_callback (GtkWidget *widget,
			       gpointer   data)
{
  GimpPathEditor *gpe;

  gpe = GIMP_PATH_EDITOR (data);

  if (gpe->selected_item)
    {
      gtk_signal_handler_block_by_data (GTK_OBJECT (gpe->selected_item), gpe);
      gtk_list_unselect_child (GTK_LIST (gpe->dir_list), gpe->selected_item);
      gtk_signal_handler_unblock_by_data (GTK_OBJECT (gpe->selected_item), gpe);
    }
  gpe->selected_item = NULL;

  gtk_widget_set_sensitive (gpe->delete_button, FALSE);
  gtk_widget_set_sensitive (gpe->up_button, FALSE);
  gtk_widget_set_sensitive (gpe->down_button, FALSE);
399
  gtk_widget_set_sensitive (gpe->file_selection, TRUE);
400 401 402 403 404 405

  gtk_editable_set_position (GTK_EDITABLE (GIMP_FILE_SELECTION (gpe->file_selection)->entry), -1);
  /* gtk_editable_select_region (GTK_EDITABLE (gpe->entry), 0, -1); */
  gtk_widget_grab_focus (GTK_WIDGET (GIMP_FILE_SELECTION (gpe->file_selection)->entry));
}

406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427
static void
gimp_path_editor_move_callback (GtkWidget *widget,
				gpointer   data)
{
  GimpPathEditor *gpe = GIMP_PATH_EDITOR (data);
  GList          *move_list = NULL;
  gint            pos;
  gint            distance;

  if (gpe->selected_item == NULL)
    return;

  pos = gtk_list_child_position (GTK_LIST (gpe->dir_list), gpe->selected_item);
  distance = (widget == gpe->up_button) ? - 1 : 1;
  move_list = g_list_append (move_list, gpe->selected_item);

  gtk_signal_handler_block_by_data (GTK_OBJECT (gpe->selected_item), gpe);
  gtk_list_remove_items_no_unref (GTK_LIST (gpe->dir_list), move_list);
  gtk_signal_handler_unblock_by_data (GTK_OBJECT (gpe->selected_item), gpe);
  gtk_list_insert_items (GTK_LIST (gpe->dir_list), move_list, pos + distance);
  gtk_list_select_item (GTK_LIST (gpe->dir_list), pos + distance);

428
  gtk_signal_emit (GTK_OBJECT (gpe), gimp_path_editor_signals[PATH_CHANGED]);
429 430
}

431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463
static void
gimp_path_editor_delete_callback (GtkWidget *widget,
				  gpointer   data)
{
  GimpPathEditor *gpe = GIMP_PATH_EDITOR (data);
  GList          *delete_list = NULL;
  gint            pos;

  if (gpe->selected_item == NULL)
    return;

  pos = gtk_list_child_position (GTK_LIST (gpe->dir_list), gpe->selected_item);
  delete_list = g_list_append (delete_list, gpe->selected_item);

  gtk_list_remove_items (GTK_LIST (gpe->dir_list), delete_list);
  gpe->number_of_items--;

  if (gpe->number_of_items == 0)
    {
      gpe->selected_item = NULL;
      gtk_signal_handler_block_by_data (GTK_OBJECT (gpe->file_selection), gpe);
      gimp_file_selection_set_filename (GIMP_FILE_SELECTION (gpe->file_selection), "");
      gtk_signal_handler_unblock_by_data (GTK_OBJECT (gpe->file_selection), gpe);
      gtk_widget_set_sensitive (gpe->delete_button, FALSE);
      gtk_widget_set_sensitive (GIMP_FILE_SELECTION (gpe->file_selection)->entry, FALSE);
      gtk_widget_set_sensitive (GIMP_FILE_SELECTION (gpe->file_selection)->browse_button, FALSE);
      return;
    }

  if ((pos == gpe->number_of_items) && (pos > 0))
    pos--;
  gtk_list_select_item (GTK_LIST (gpe->dir_list), pos);

464
  gtk_signal_emit (GTK_OBJECT (gpe), gimp_path_editor_signals[PATH_CHANGED]);
465 466 467 468 469 470 471 472 473 474 475 476
}

static void
gimp_path_editor_filesel_callback (GtkWidget *widget,
				   gpointer   data)
{
  GimpPathEditor *gpe = GIMP_PATH_EDITOR (data);
  GList          *append_list = NULL;
  GtkWidget      *list_item = NULL;
  gchar          *directory;

  directory = gimp_file_selection_get_filename (GIMP_FILE_SELECTION (widget));
477 478
  if (strcmp (directory, "") == 0)
    return;
479 480 481 482 483 484

  if (gpe->selected_item == NULL)
    {
      list_item = gtk_list_item_new_with_label (directory);
      gtk_object_set_data_full (GTK_OBJECT (list_item), "gimp_path_editor",
				directory,
485
				(GtkDestroyNotify) g_free);
486 487
      append_list = g_list_append (append_list, list_item);
      gtk_signal_connect (GTK_OBJECT (list_item), "select",
488
			  GTK_SIGNAL_FUNC (gimp_path_editor_select_callback),
489 490
			  gpe);
      gtk_signal_connect (GTK_OBJECT (list_item), "deselect",
491
			  GTK_SIGNAL_FUNC (gimp_path_editor_deselect_callback),
492 493 494 495 496 497 498 499 500 501 502 503 504
			  gpe);
      gtk_widget_show (list_item);
      gpe->number_of_items++;
      gtk_list_append_items (GTK_LIST (gpe->dir_list), append_list);
      gtk_list_select_item (GTK_LIST (gpe->dir_list), gpe->number_of_items - 1);
    }
  else
    {
      gtk_label_set_text (GTK_LABEL (GTK_BIN (gpe->selected_item)->child),
			  directory);
      gtk_object_set_data_full (GTK_OBJECT (gpe->selected_item),
				"gimp_path_editor",
				directory,
505
				(GtkDestroyNotify) g_free);
506 507
    }

508
  gtk_signal_emit (GTK_OBJECT (gpe), gimp_path_editor_signals[PATH_CHANGED]);
509
}