src/cellrenderericon.cc

   1 /*
   2  * Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19
  20 #include "main.h"
  21 #include "cellrenderericon.h"
  22
  23 #define FIXED_ICON_SIZE_MAX 512
  24
  25
  26 static void gqv_cell_renderer_icon_get_property(GObject         *object,
  27                                                 guint           param_id,
  28                                                 GValue          *value,
  29                                                 GParamSpec      *pspec);
  30 static void gqv_cell_renderer_icon_set_property(GObject         *object,
  31                                                 guint           param_id,
  32                                                 const GValue    *value,
  33                                                 GParamSpec      *pspec);
  34 static void gqv_cell_renderer_icon_init_wrapper(void *, void *);
  35 static void gqv_cell_renderer_icon_init(GQvCellRendererIcon *celltext);
  36 static void gqv_cell_renderer_icon_class_init_wrapper(void *, void *);
  37 static void gqv_cell_renderer_icon_class_init(GQvCellRendererIconClass *icon_class);
  38 static void gqv_cell_renderer_icon_finalize(GObject *object);
  39 static void gqv_cell_renderer_icon_get_size(GtkCellRenderer    *cell,
  40                                             GtkWidget          *widget,
  41                                             const GdkRectangle *rectangle,
  42                                             gint               *x_offset,
  43                                             gint               *y_offset,
  44                                             gint               *width,
  45                                             gint               *height);
  46
  47 static void gqv_cell_renderer_icon_render(GtkCellRenderer *cell,
  48                                            cairo_t *cr,
  49                                            GtkWidget *widget,
  50                                            const GdkRectangle *background_area,
  51                                            const GdkRectangle *cell_area,
  52                                            GtkCellRendererState flags);
  53
  54 static gboolean gqv_cell_renderer_icon_activate(GtkCellRenderer      *cell,
  55                                                 GdkEvent             *event,
  56                                                 GtkWidget            *widget,
  57                                                 const gchar          *path,
  58                                                 const GdkRectangle   *background_area,
  59                                                 const GdkRectangle   *cell_area,
  60                                                 GtkCellRendererState  flags);
  61 enum {
  62   TOGGLED,
  63   LAST_SIGNAL
  64 };
  65
  66 enum {
  67         PROP_ZERO,
  68         PROP_PIXBUF,
  69         PROP_TEXT,
  70         PROP_BACKGROUND_GDK,
  71         PROP_FOREGROUND_GDK,
  72         PROP_FOCUSED,
  73         PROP_FIXED_WIDTH,
  74         PROP_FIXED_HEIGHT,
  75
  76         PROP_BACKGROUND_SET,
  77         PROP_FOREGROUND_SET,
  78         PROP_SHOW_TEXT,
  79         PROP_SHOW_MARKS,
  80         PROP_NUM_MARKS,
  81         PROP_MARKS,
  82         PROP_TOGGLED
  83 };
  84
  85 static guint toggle_cell_signals[LAST_SIGNAL] = { 0 };
  86
  87 static gpointer parent_class;
  88
  89 GType
  90 gqv_cell_renderer_icon_get_type(void)
  91 {
  92         static GType cell_icon_type = 0;
  93
  94         if (!cell_icon_type)
  95                 {
  96                 static const GTypeInfo cell_icon_info =
  97                         {
  98                         sizeof(GQvCellRendererIconClass), /* class_size */
  99                         NULL,           /* base_init */
 100                         NULL,           /* base_finalize */
 101                         (GClassInitFunc) gqv_cell_renderer_icon_class_init_wrapper, /* class_init */
 102                         NULL,           /* class_finalize */
 103                         NULL,           /* class_data */
 104                         sizeof(GQvCellRendererIcon), /* instance_size */
 105                         0,              /* n_preallocs */
 106                         (GInstanceInitFunc) gqv_cell_renderer_icon_init_wrapper, /* instance_init */
 107                         NULL,           /* value_table */
 108                         };
 109
 110                 cell_icon_type = g_type_register_static(GTK_TYPE_CELL_RENDERER,
 111                                                         "GQvCellRendererIcon",
 112                                                         &cell_icon_info, GTypeFlags(0));
 113                 }
 114
 115         return cell_icon_type;
 116 }
 117
 118 static void
 119 gqv_cell_renderer_icon_init_wrapper(void *data, void *UNUSED(user_data))
 120 {
 121         gqv_cell_renderer_icon_init(static_cast<GQvCellRendererIcon *>(data));
 122 }
 123
 124 static void
 125 gqv_cell_renderer_icon_init(GQvCellRendererIcon *cellicon)
 126 {
 127         g_object_set(G_OBJECT(cellicon), "mode", GTK_CELL_RENDERER_MODE_ACTIVATABLE, NULL);
 128         gtk_cell_renderer_set_padding(GTK_CELL_RENDERER(cellicon), 2, 2);
 129 }
 130
 131 static void
 132 gqv_cell_renderer_icon_class_init_wrapper(void *data, void *UNUSED(user_data))
 133 {
 134         gqv_cell_renderer_icon_class_init(static_cast<GQvCellRendererIconClass *>(data));
 135 }
 136
 137 static void
 138 gqv_cell_renderer_icon_class_init(GQvCellRendererIconClass *icon_class)
 139 {
 140         GObjectClass *object_class = G_OBJECT_CLASS(icon_class);
 141         GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS(icon_class);
 142
 143         parent_class = g_type_class_peek_parent(icon_class);
 144
 145         object_class->finalize = gqv_cell_renderer_icon_finalize;
 146
 147         object_class->get_property = gqv_cell_renderer_icon_get_property;
 148         object_class->set_property = gqv_cell_renderer_icon_set_property;
 149
 150         cell_class->get_size = gqv_cell_renderer_icon_get_size;
 151         cell_class->render = gqv_cell_renderer_icon_render;
 152         cell_class->activate = gqv_cell_renderer_icon_activate;
 153
 154         g_object_class_install_property(object_class,
 155                                         PROP_PIXBUF,
 156                                         g_param_spec_object("pixbuf",
 157                                                         "Pixbuf Object",
 158                                                         "The pixbuf to render",
 159                                                         GDK_TYPE_PIXBUF,
 160                                                         G_PARAM_READWRITE));
 161
 162         g_object_class_install_property(object_class,
 163                                         PROP_TEXT,
 164                                         g_param_spec_string("text",
 165                                                         "Text",
 166                                                         "Text to render",
 167                                                         NULL,
 168                                                         G_PARAM_READWRITE));
 169
 170         g_object_class_install_property(object_class,
 171                                         PROP_BACKGROUND_GDK,
 172                                         g_param_spec_boxed("background_gdk",
 173                                                         "Background color",
 174                                                         "Background color as a GdkColor",
 175                                                         GDK_TYPE_COLOR,
 176                                                         G_PARAM_READWRITE));
 177
 178         g_object_class_install_property(object_class,
 179                                         PROP_FOREGROUND_GDK,
 180                                         g_param_spec_boxed("foreground_gdk",
 181                                                         "Foreground color",
 182                                                         "Foreground color as a GdkColor",
 183                                                         GDK_TYPE_COLOR,
 184                                                         G_PARAM_READWRITE));
 185
 186         g_object_class_install_property(object_class,
 187                                         PROP_FOCUSED,
 188                                         g_param_spec_boolean("has_focus",
 189                                                         "Focus",
 190                                                         "Draw focus indicator",
 191                                                         FALSE,
 192                                                         G_PARAM_READWRITE));
 193
 194         g_object_class_install_property(object_class,
 195                                         PROP_FIXED_WIDTH,
 196                                         g_param_spec_int("fixed_width",
 197                                                         "Fixed width",
 198                                                         "Width of cell",
 199                                                         -1, FIXED_ICON_SIZE_MAX,
 200                                                         -1,
 201                                                         G_PARAM_READWRITE));
 202
 203         g_object_class_install_property(object_class,
 204                                         PROP_FIXED_HEIGHT,
 205                                         g_param_spec_int("fixed_height",
 206                                                         "Fixed height",
 207                                                         "Height of icon excluding text",
 208                                                         -1, FIXED_ICON_SIZE_MAX,
 209                                                         -1,
 210                                                         G_PARAM_READWRITE));
 211
 212         g_object_class_install_property(object_class,
 213                                         PROP_BACKGROUND_SET,
 214                                         g_param_spec_boolean("background_set",
 215                                                         "Background set",
 216                                                         "Whether this tag affects the background color",
 217                                                         FALSE,
 218                                                         G_PARAM_READWRITE));
 219
 220         g_object_class_install_property(object_class,
 221                                         PROP_FOREGROUND_SET,
 222                                         g_param_spec_boolean("foreground_set",
 223                                                         "Foreground set",
 224                                                         "Whether this tag affects the foreground color",
 225                                                         FALSE,
 226                                                         G_PARAM_READWRITE));
 227
 228         g_object_class_install_property(object_class,
 229                                         PROP_SHOW_TEXT,
 230                                         g_param_spec_boolean("show_text",
 231                                                         "Show text",
 232                                                         "Whether the text is displayed",
 233                                                         TRUE,
 234                                                         G_PARAM_READWRITE));
 235
 236         g_object_class_install_property(object_class,
 237                                         PROP_SHOW_MARKS,
 238                                         g_param_spec_boolean("show_marks",
 239                                                         "Show marks",
 240                                                         "Whether the marks are displayed",
 241                                                         TRUE,
 242                                                         G_PARAM_READWRITE));
 243
 244         g_object_class_install_property(object_class,
 245                                         PROP_NUM_MARKS,
 246                                         g_param_spec_int("num_marks",
 247                                                         "Number of marks",
 248                                                         "Number of marks",
 249                                                         0, 32,
 250                                                         6,
 251                                                         G_PARAM_READWRITE));
 252
 253         g_object_class_install_property(object_class,
 254                                         PROP_MARKS,
 255                                         g_param_spec_uint("marks",
 256                                                         "Marks",
 257                                                         "Marks bit array",
 258                                                         0, 0xffffffff,
 259                                                         0,
 260                                                         G_PARAM_READWRITE));
 261
 262         g_object_class_install_property(object_class,
 263                                         PROP_TOGGLED,
 264                                         g_param_spec_uint("toggled_mark",
 265                                                         "Toggled mark",
 266                                                         "Toggled mark",
 267                                                         0, 32,
 268                                                         0,
 269                                                         G_PARAM_READWRITE));
 270         toggle_cell_signals[TOGGLED] =
 271                 g_signal_new("toggled",
 272                 G_OBJECT_CLASS_TYPE (object_class),
 273                 G_SIGNAL_RUN_LAST,
 274                 G_STRUCT_OFFSET (GQvCellRendererIconClass, toggled),
 275                 NULL, NULL,
 276                 g_cclosure_marshal_VOID__STRING,
 277                 G_TYPE_NONE, 1,
 278                 G_TYPE_STRING);
 279
 280 }
 281
 282 static void
 283 gqv_cell_renderer_icon_finalize(GObject *object)
 284 {
 285         GQvCellRendererIcon *cellicon = GQV_CELL_RENDERER_ICON(object);
 286
 287         if (cellicon->pixbuf) g_object_unref(cellicon->pixbuf);
 288
 289         g_free(cellicon->text);
 290
 291         (*(G_OBJECT_CLASS(parent_class))->finalize)(object);
 292 }
 293
 294 static void
 295 gqv_cell_renderer_icon_get_property(GObject     *object,
 296                                     guint       param_id,
 297                                     GValue      *value,
 298                                     GParamSpec  *pspec)
 299 {
 300         GQvCellRendererIcon *cellicon = GQV_CELL_RENDERER_ICON(object);
 301
 302         switch (param_id)
 303         {
 304         case PROP_PIXBUF:
 305                 g_value_set_object(value, cellicon->pixbuf ? G_OBJECT(cellicon->pixbuf) : NULL);
 306                 break;
 307         case PROP_TEXT:
 308                 g_value_set_string(value, cellicon->text);
 309                 break;
 310         case PROP_BACKGROUND_GDK:
 311                 {
 312                 GdkColor color;
 313
 314                 color.red = cellicon->background.red;
 315                 color.green = cellicon->background.green;
 316                 color.blue = cellicon->background.blue;
 317
 318                 g_value_set_boxed(value, &color);
 319                 }
 320                 break;
 321         case PROP_FOREGROUND_GDK:
 322                 {
 323                 GdkColor color;
 324
 325                 color.red = cellicon->foreground.red;
 326                 color.green = cellicon->foreground.green;
 327                 color.blue = cellicon->foreground.blue;
 328
 329                 g_value_set_boxed(value, &color);
 330                 }
 331                 break;
 332         case PROP_FOCUSED:
 333                 g_value_set_boolean(value, cellicon->focused);
 334                 break;
 335         case PROP_FIXED_WIDTH:
 336                 g_value_set_int(value, cellicon->fixed_width);
 337                 break;
 338         case PROP_FIXED_HEIGHT:
 339                 g_value_set_int(value, cellicon->fixed_height);
 340                 break;
 341         case PROP_BACKGROUND_SET:
 342                 g_value_set_boolean(value, cellicon->background_set);
 343                 break;
 344         case PROP_FOREGROUND_SET:
 345                 g_value_set_boolean(value, cellicon->foreground_set);
 346                 break;
 347         case PROP_SHOW_TEXT:
 348                 g_value_set_boolean(value, cellicon->show_text);
 349                 break;
 350         case PROP_SHOW_MARKS:
 351                 g_value_set_boolean(value, cellicon->show_marks);
 352                 break;
 353         case PROP_NUM_MARKS:
 354                 g_value_set_int(value, cellicon->num_marks);
 355                 break;
 356         case PROP_MARKS:
 357                 g_value_set_uint(value, cellicon->marks);
 358                 break;
 359         case PROP_TOGGLED:
 360                 g_value_set_uint(value, cellicon->toggled_mark);
 361                 break;
 362         default:
 363                 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec);
 364                 break;
 365         }
 366 }
 367
 368 static void
 369 set_bg_color(GQvCellRendererIcon *cellicon,
 370              GdkColor             *color)
 371 {
 372         if (color)
 373                 {
 374                 if (!cellicon->background_set)
 375                         {
 376                         cellicon->background_set = TRUE;
 377                         g_object_notify(G_OBJECT(cellicon), "background_set");
 378                         }
 379
 380                 cellicon->background.red = color->red;
 381                 cellicon->background.green = color->green;
 382                 cellicon->background.blue = color->blue;
 383                 }
 384         else
 385                 {
 386                 if (cellicon->background_set)
 387                         {
 388                         cellicon->background_set = FALSE;
 389                         g_object_notify(G_OBJECT(cellicon), "background_set");
 390                         }
 391                 }
 392 }
 393
 394 static void set_fg_color(GQvCellRendererIcon *cellicon,
 395                          GdkColor             *color)
 396 {
 397         if (color)
 398                 {
 399                 if (!cellicon->foreground_set)
 400                         {
 401                         cellicon->foreground_set = TRUE;
 402                         g_object_notify(G_OBJECT(cellicon), "foreground_set");
 403                         }
 404
 405                 cellicon->foreground.red = color->red;
 406                 cellicon->foreground.green = color->green;
 407                 cellicon->foreground.blue = color->blue;
 408                 }
 409         else
 410                 {
 411                 if (cellicon->foreground_set)
 412                         {
 413                         cellicon->foreground_set = FALSE;
 414                         g_object_notify(G_OBJECT(cellicon), "foreground_set");
 415                         }
 416                 }
 417 }
 418
 419 static void
 420 gqv_cell_renderer_icon_set_property(GObject             *object,
 421                                     guint               param_id,
 422                                     const GValue        *value,
 423                                     GParamSpec          *pspec)
 424 {
 425         GQvCellRendererIcon *cellicon = GQV_CELL_RENDERER_ICON(object);
 426
 427         switch (param_id)
 428         {
 429         case PROP_PIXBUF:
 430                 {
 431                 GdkPixbuf *pixbuf;
 432
 433                 pixbuf = (GdkPixbuf *) g_value_get_object(value);
 434                 if (pixbuf) g_object_ref(pixbuf);
 435                 if (cellicon->pixbuf) g_object_unref(cellicon->pixbuf);
 436                 cellicon->pixbuf = pixbuf;
 437                 }
 438                 break;
 439         case PROP_TEXT:
 440                 {
 441                 gchar *text;
 442
 443                 text = cellicon->text;
 444                 cellicon->text = g_strdup(g_value_get_string(value));
 445                 g_free(text);
 446
 447                 g_object_notify(object, "text");
 448                 }
 449                 break;
 450         case PROP_BACKGROUND_GDK:
 451                 set_bg_color(cellicon, static_cast<GdkColor *>(g_value_get_boxed(value)));
 452                 break;
 453         case PROP_FOREGROUND_GDK:
 454                 set_fg_color(cellicon, static_cast<GdkColor *>(g_value_get_boxed(value)));
 455                 break;
 456         case PROP_FOCUSED:
 457                 cellicon->focused = g_value_get_boolean(value);
 458                 break;
 459         case PROP_FIXED_WIDTH:
 460                 cellicon->fixed_width = g_value_get_int(value);
 461                 break;
 462         case PROP_FIXED_HEIGHT:
 463                 cellicon->fixed_height = g_value_get_int(value);
 464                 break;
 465         case PROP_BACKGROUND_SET:
 466                 cellicon->background_set = g_value_get_boolean(value);
 467                 break;
 468         case PROP_FOREGROUND_SET:
 469                 cellicon->foreground_set = g_value_get_boolean(value);
 470                 break;
 471         case PROP_SHOW_TEXT:
 472                 cellicon->show_text = g_value_get_boolean(value);
 473                 break;
 474         case PROP_SHOW_MARKS:
 475                 cellicon->show_marks = g_value_get_boolean(value);
 476                 break;
 477         case PROP_NUM_MARKS:
 478                 cellicon->num_marks = g_value_get_int(value);
 479                 break;
 480         case PROP_MARKS:
 481                 cellicon->marks = g_value_get_uint(value);
 482                 break;
 483         default:
 484                 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec);
 485                 break;
 486         }
 487 }
 488
 489 static PangoLayout *
 490 gqv_cell_renderer_icon_get_layout(GQvCellRendererIcon *cellicon, GtkWidget *widget, gboolean will_render)
 491 {
 492         PangoLayout *layout;
 493         gint width;
 494
 495         width = (cellicon->fixed_width > 0) ? cellicon->fixed_width * PANGO_SCALE : -1;
 496
 497         layout = gtk_widget_create_pango_layout(widget, cellicon->text);
 498         pango_layout_set_width(layout, width);
 499         pango_layout_set_alignment(layout, PANGO_ALIGN_CENTER);
 500         pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR);
 501
 502         if (will_render)
 503                 {
 504                 PangoAttrList *attr_list;
 505
 506                 attr_list = pango_attr_list_new();
 507
 508                 if (cellicon->foreground_set)
 509                         {
 510                         PangoColor color;
 511                         PangoAttribute *attr;
 512
 513                         color = cellicon->foreground;
 514
 515                         attr = pango_attr_foreground_new(color.red, color.green, color.blue);
 516
 517                         attr->start_index = 0;
 518                         attr->end_index = G_MAXINT;
 519                         pango_attr_list_insert(attr_list, attr);
 520                         }
 521
 522                 pango_layout_set_attributes(layout, attr_list);
 523                 pango_attr_list_unref(attr_list);
 524                 }
 525
 526         return layout;
 527 }
 528
 529 /**
 530  * gqv_cell_renderer_icon_new:
 531  *
 532  * Creates a new #GQvCellRendererIcon. Adjust rendering
 533  * parameters using object properties. Object properties can be set
 534  * globally (with g_object_set()). Also, with #GtkTreeViewColumn, you
 535  * can bind a property to a value in a #GtkTreeModel. For example, you
 536  * can bind the "pixbuf" property on the cell renderer to a pixbuf value
 537  * in the model, thus rendering a different image in each row of the
 538  * #GtkTreeView.
 539  *
 540  * Return value: the new cell renderer
 541  **/
 542 GtkCellRenderer *
 543 gqv_cell_renderer_icon_new(void)
 544 {
 545         return static_cast<GtkCellRenderer *>(g_object_new(GQV_TYPE_CELL_RENDERER_ICON, NULL));
 546 }
 547
 548 static void gqv_cell_renderer_icon_get_size(GtkCellRenderer    *cell,
 549                                             GtkWidget          *widget,
 550                                             const GdkRectangle *cell_area,
 551                                             gint               *x_offset,
 552                                             gint               *y_offset,
 553                                             gint               *width,
 554                                             gint               *height)
 555 {
 556         GQvCellRendererIcon *cellicon = (GQvCellRendererIcon *) cell;
 557         gint calc_width;
 558         gint calc_height;
 559         gint xpad, ypad;
 560         gfloat xalign, yalign;
 561
 562         gtk_cell_renderer_get_padding(cell, &xpad, &ypad);
 563         gtk_cell_renderer_get_alignment(cell, &xalign, &yalign);
 564
 565         if (cellicon->fixed_width > 0)
 566                 {
 567                 calc_width = cellicon->fixed_width;
 568                 }
 569         else
 570                 {
 571                 calc_width = (cellicon->pixbuf) ? gdk_pixbuf_get_width(cellicon->pixbuf) : 0;
 572                 }
 573
 574         if (cellicon->fixed_height > 0)
 575                 {
 576                 calc_height = cellicon->fixed_height;
 577                 }
 578         else
 579                 {
 580                 calc_height = (cellicon->pixbuf) ? gdk_pixbuf_get_height(cellicon->pixbuf) : 0;
 581                 }
 582
 583         if (cellicon->show_text && cellicon->text)
 584                 {
 585                 PangoLayout *layout;
 586                 PangoRectangle rect;
 587
 588                 layout = gqv_cell_renderer_icon_get_layout(cellicon, widget, FALSE);
 589                 pango_layout_get_pixel_extents(layout, NULL, &rect);
 590                 g_object_unref(layout);
 591
 592                 calc_width = MAX(calc_width, rect.width);
 593                 calc_height += rect.height;
 594                 }
 595
 596         if (cellicon->show_marks)
 597                 {
 598                 calc_height += TOGGLE_SPACING;
 599                 calc_width = MAX(calc_width, TOGGLE_SPACING * cellicon->num_marks);
 600                 }
 601
 602         calc_width += xpad * 2;
 603         calc_height += ypad * 2;
 604
 605         if (x_offset) *x_offset = 0;
 606         if (y_offset) *y_offset = 0;
 607
 608         if (cell_area && calc_width > 0 && calc_height > 0)
 609                 {
 610                 if (x_offset)
 611                         {
 612                         *x_offset = (xalign * (cell_area->width - calc_width - 2 * xpad));
 613                         *x_offset = MAX(*x_offset, 0) + xpad;
 614                         }
 615                 if (y_offset)
 616                         {
 617                         *y_offset = (yalign * (cell_area->height - calc_height - 2 * ypad));
 618                         *y_offset = MAX(*y_offset, 0) + ypad;
 619                         }
 620                 }
 621
 622         if (width) *width = calc_width;
 623         if (height) *height = calc_height;
 624 }
 625
 626 static void gqv_cell_renderer_icon_render(GtkCellRenderer *cell,
 627                                            cairo_t *cr,
 628                                            GtkWidget *widget,
 629                                            const GdkRectangle *UNUSED(background_area),
 630                                            const GdkRectangle *cell_area,
 631                                            GtkCellRendererState flags)
 632
 633 {
 634         GtkStyleContext *context = gtk_widget_get_style_context(widget);
 635         GQvCellRendererIcon *cellicon = (GQvCellRendererIcon *) cell;
 636         GdkPixbuf *pixbuf;
 637         const gchar *text;
 638         GdkRectangle cell_rect;
 639         GtkStateFlags state;
 640         gint xpad, ypad;
 641
 642
 643         pixbuf = cellicon->pixbuf;
 644         text = cellicon->text;
 645         if (!pixbuf && !text)
 646                 {
 647                 return;
 648                 }
 649
 650         gtk_cell_renderer_get_padding(cell, &xpad, &ypad);
 651
 652         gqv_cell_renderer_icon_get_size(cell, widget, cell_area,
 653                                         &cell_rect.x, &cell_rect.y,
 654                                         &cell_rect.width, &cell_rect.height);
 655
 656         cell_rect.x += xpad;
 657         cell_rect.y += ypad;
 658         cell_rect.width -= xpad * 2;
 659         cell_rect.height -= ypad * 2;
 660
 661         if ((flags & GTK_CELL_RENDERER_SELECTED) == GTK_CELL_RENDERER_SELECTED)
 662                 {
 663                 if (gtk_widget_has_focus(widget))
 664                         state = GTK_STATE_FLAG_SELECTED;
 665                 else
 666                         state = GTK_STATE_FLAG_ACTIVE;
 667                 }
 668         else
 669                 {
 670                 if (gtk_widget_get_state(widget) == GTK_STATE_INSENSITIVE)
 671                         state = GTK_STATE_FLAG_INSENSITIVE;
 672                 else
 673                         state = GTK_STATE_FLAG_NORMAL;
 674                 }
 675         gtk_style_context_set_state(context, state);
 676
 677         if (pixbuf)
 678                 {
 679                 GdkRectangle pix_rect;
 680                 GdkRectangle draw_rect;
 681
 682                 pix_rect.width = gdk_pixbuf_get_width(pixbuf);
 683                 pix_rect.height = gdk_pixbuf_get_height(pixbuf);
 684
 685                 pix_rect.x = cell_area->x + (cell_area->width - pix_rect.width) / 2;
 686
 687                 if (cellicon->fixed_height > 0)
 688                         {
 689                         pix_rect.y = cell_area->y + ypad + (cellicon->fixed_height - pix_rect.height) / 2;
 690                         }
 691                 else
 692                         {
 693                         pix_rect.y = cell_area->y + cell_rect.y;
 694                         }
 695
 696                 if (gdk_rectangle_intersect(cell_area, &pix_rect, &draw_rect))
 697                         {
 698                         gdk_cairo_set_source_pixbuf(cr, pixbuf, pix_rect.x, pix_rect.y);
 699                         cairo_rectangle (cr,
 700                                         draw_rect.x,
 701                                         draw_rect.y,
 702                                         draw_rect.width,
 703                                         draw_rect.height);
 704
 705                         cairo_fill (cr);
 706                         }
 707                 }
 708
 709         if (cellicon->show_text && text)
 710                 {
 711                 PangoLayout *layout;
 712                 PangoRectangle text_rect;
 713                 GdkRectangle pix_rect;
 714                 GdkRectangle draw_rect;
 715                 layout = gqv_cell_renderer_icon_get_layout(cellicon, widget, TRUE);
 716                 pango_layout_get_pixel_extents(layout, NULL, &text_rect);
 717
 718                 pix_rect.width = text_rect.width;
 719                 pix_rect.height = text_rect.height;
 720                 pix_rect.x = cell_area->x + xpad + (cell_rect.width - text_rect.width + 1) / 2;
 721                 pix_rect.y = cell_area->y + ypad + (cell_rect.height - text_rect.height);
 722
 723                 if (cellicon->show_marks)
 724                         {
 725                         pix_rect.y -= TOGGLE_SPACING;
 726                         }
 727
 728                 if (gdk_rectangle_intersect(cell_area, &pix_rect, &draw_rect))
 729                         {
 730                         gtk_render_layout(context, cr, pix_rect.x - text_rect.x, pix_rect.y, layout);
 731                         }
 732                 g_object_unref(layout);
 733                 }
 734
 735         if (cellicon->show_marks)
 736                 {
 737                 GdkRectangle pix_rect;
 738                 GdkRectangle draw_rect;
 739                 gint i;
 740
 741                 pix_rect.width = TOGGLE_SPACING * cellicon->num_marks;
 742                 pix_rect.height = TOGGLE_SPACING;
 743                 pix_rect.x = cell_area->x + xpad + (cell_rect.width - pix_rect.width + 1) / 2 + (TOGGLE_SPACING - TOGGLE_WIDTH) / 2;
 744                 pix_rect.y = cell_area->y + ypad + (cell_rect.height - pix_rect.height) + (TOGGLE_SPACING - TOGGLE_WIDTH) / 2;
 745
 746                 if (gdk_rectangle_intersect(cell_area, &pix_rect, &draw_rect))
 747                         {
 748                         for (i = 0; i < cellicon->num_marks; i++)
 749                                 {
 750                                 state = static_cast<GtkStateFlags>(state & ~GTK_STATE_FLAG_CHECKED);
 751
 752                                 if ((cellicon->marks & (1 << i)))
 753                                         state = static_cast<GtkStateFlags>(state | GTK_STATE_FLAG_CHECKED);
 754                                 cairo_save (cr);
 755
 756                                 cairo_rectangle(cr,
 757                                                 pix_rect.x + i * TOGGLE_SPACING + (TOGGLE_WIDTH - TOGGLE_SPACING) / 2,
 758                                                 pix_rect.y,
 759                                                 TOGGLE_WIDTH, TOGGLE_WIDTH);
 760                                 cairo_clip (cr);
 761
 762                                 gtk_style_context_save(context);
 763                                 gtk_style_context_set_state(context, state);
 764
 765                                 gtk_style_context_add_class(context, GTK_STYLE_CLASS_CHECK);
 766
 767                                 gtk_style_context_add_class(context, "marks");
 768                                 GtkStyleProvider *provider;
 769                                 provider = (GtkStyleProvider *)gtk_css_provider_new();
 770                                 gtk_css_provider_load_from_data(GTK_CSS_PROVIDER(provider),
 771                                                 ".marks {\n"
 772                                                 "border-color: #808080;\n"
 773                                                 "border-style: solid;\n"
 774                                                 "border-width: 1px;\n"
 775                                                 "border-radius: 0px;\n"
 776                                                 "}\n"
 777                                                 ,-1, NULL);
 778                                 gtk_style_context_add_provider(context, provider,
 779                                                         GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
 780
 781                                 if (state & GTK_STATE_FLAG_CHECKED)
 782                                         {
 783                                         gtk_render_check(context, cr,
 784                                                 pix_rect.x + i * TOGGLE_SPACING + (TOGGLE_WIDTH - TOGGLE_SPACING) / 2,
 785                                                 pix_rect.y,
 786                                                 TOGGLE_WIDTH, TOGGLE_WIDTH);
 787                                         }
 788                                 gtk_render_frame(context, cr,
 789                                          pix_rect.x + i * TOGGLE_SPACING + (TOGGLE_WIDTH - TOGGLE_SPACING) / 2,
 790                                          pix_rect.y,
 791                                          TOGGLE_WIDTH, TOGGLE_WIDTH);
 792
 793                                 if (cellicon->focused && gtk_widget_has_focus(widget))
 794                                         {
 795                                         gtk_render_focus(context, cr,
 796                                                 pix_rect.x + i * TOGGLE_SPACING + (TOGGLE_WIDTH - TOGGLE_SPACING) / 2,
 797                                                 pix_rect.y, TOGGLE_WIDTH, TOGGLE_WIDTH);
 798                                         }
 799                                 gtk_style_context_restore(context);
 800                                 cairo_restore(cr);
 801                                 gtk_style_context_remove_provider(context, provider);
 802                                 g_object_unref(provider);
 803                                 }
 804                         }
 805                 }
 806 }
 807
 808 static gboolean gqv_cell_renderer_icon_activate(GtkCellRenderer      *cell,
 809                                                 GdkEvent             *event,
 810                                                 GtkWidget            *widget,
 811                                                 const gchar          *path,
 812                                                 const GdkRectangle   *UNUSED(background_area),
 813                                                 const GdkRectangle   *cell_area,
 814                                                 GtkCellRendererState  UNUSED(flags))
 815 {
 816         GQvCellRendererIcon *cellicon = (GQvCellRendererIcon *) cell;
 817         GdkEventButton *bevent = &event->button;
 818
 819         if (cellicon->show_marks &&
 820             event->type == GDK_BUTTON_PRESS &&
 821             !(bevent->state & GDK_SHIFT_MASK ) &&
 822             !(bevent->state & GDK_CONTROL_MASK ))
 823                 {
 824                 GdkRectangle rect;
 825                 GdkRectangle cell_rect;
 826                 gint i;
 827                 gint xpad, ypad;
 828
 829                 gtk_cell_renderer_get_padding(cell, &xpad, &ypad);
 830
 831                 gqv_cell_renderer_icon_get_size(cell, widget, cell_area,
 832                                                 &cell_rect.x, &cell_rect.y,
 833                                                 &cell_rect.width, &cell_rect.height);
 834
 835                 cell_rect.x += xpad;
 836                 cell_rect.y += ypad;
 837                 cell_rect.width -= xpad * 2;
 838                 cell_rect.height -= ypad * 2;
 839
 840                 rect.width = TOGGLE_WIDTH;
 841                 rect.height = TOGGLE_WIDTH;
 842                 rect.y = cell_area->y + ypad + (cell_rect.height - TOGGLE_SPACING) + (TOGGLE_SPACING - TOGGLE_WIDTH) / 2;
 843                 for (i = 0; i < cellicon->num_marks; i++)
 844                         {
 845                         rect.x = cell_area->x + xpad + (cell_rect.width - TOGGLE_SPACING * cellicon->num_marks + 1) / 2 + i * TOGGLE_SPACING;
 846
 847                         if (bevent->x >= rect.x && bevent->x < rect.x + rect.width &&
 848                             bevent->y >= rect.y && bevent->y < rect.y + rect.height)
 849                                 {
 850                                 cellicon->toggled_mark = i;
 851                                 g_signal_emit(cell, toggle_cell_signals[TOGGLED], 0, path);
 852                                 break;
 853                                 }
 854                         }
 855                 }
 856         return FALSE;
 857 }
 858 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */