src/cellrenderericon.c

   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 <stdlib.h>
  21 #include <gtk/gtk.h> /* To define GTK_CHECK_VERSION */
  22 #include "main.h"
  23 #include "cellrenderericon.h"
  24 #include "intl.h"
  25
  26
  27 #define FIXED_ICON_SIZE_MAX 512
  28
  29
  30 static void gqv_cell_renderer_icon_get_property(GObject         *object,
  31                                                 guint           param_id,
  32                                                 GValue          *value,
  33                                                 GParamSpec      *pspec);
  34 static void gqv_cell_renderer_icon_set_property(GObject         *object,
  35                                                 guint           param_id,
  36                                                 const GValue    *value,
  37                                                 GParamSpec      *pspec);
  38 static void gqv_cell_renderer_icon_init_wrapper(void *, void *);
  39 static void gqv_cell_renderer_icon_init(GQvCellRendererIcon *celltext);
  40 static void gqv_cell_renderer_icon_class_init_wrapper(void *, void *);
  41 static void gqv_cell_renderer_icon_class_init(GQvCellRendererIconClass *class);
  42 static void gqv_cell_renderer_icon_finalize(GObject *object);
  43 static void gqv_cell_renderer_icon_get_size(GtkCellRenderer    *cell,
  44                                             GtkWidget          *widget,
  45                                             const GdkRectangle *rectangle,
  46                                             gint               *x_offset,
  47                                             gint               *y_offset,
  48                                             gint               *width,
  49                                             gint               *height);
  50
  51 static void gqv_cell_renderer_icon_render(GtkCellRenderer *cell,
  52                                            cairo_t *cr,
  53                                            GtkWidget *widget,
  54                                            const GdkRectangle *background_area,
  55                                            const GdkRectangle *cell_area,
  56                                            GtkCellRendererState flags);
  57
  58 static gboolean gqv_cell_renderer_icon_activate(GtkCellRenderer      *cell,
  59                                                 GdkEvent             *event,
  60                                                 GtkWidget            *widget,
  61                                                 const gchar          *path,
  62                                                 const GdkRectangle   *background_area,
  63                                                 const GdkRectangle   *cell_area,
  64                                                 GtkCellRendererState  flags);
  65 enum {
  66   TOGGLED,
  67   LAST_SIGNAL
  68 };
  69
  70 enum {
  71         PROP_ZERO,
  72         PROP_PIXBUF,
  73         PROP_TEXT,
  74         PROP_BACKGROUND_GDK,
  75         PROP_FOREGROUND_GDK,
  76         PROP_FOCUSED,
  77         PROP_FIXED_WIDTH,
  78         PROP_FIXED_HEIGHT,
  79
  80         PROP_BACKGROUND_SET,
  81         PROP_FOREGROUND_SET,
  82         PROP_SHOW_TEXT,
  83         PROP_SHOW_MARKS,
  84         PROP_NUM_MARKS,
  85         PROP_MARKS,
  86         PROP_TOGGLED
  87 };
  88
  89 static guint toggle_cell_signals[LAST_SIGNAL] = { 0 };
  90
  91 static gpointer parent_class;
  92
  93 GType
  94 gqv_cell_renderer_icon_get_type(void)
  95 {
  96         static GType cell_icon_type = 0;
  97
  98         if (!cell_icon_type)
  99                 {
 100                 static const GTypeInfo cell_icon_info =
 101                         {
 102                         sizeof(GQvCellRendererIconClass), /* class_size */
 103                         NULL,           /* base_init */
 104                         NULL,           /* base_finalize */
 105                         (GClassInitFunc) gqv_cell_renderer_icon_class_init_wrapper, /* class_init */
 106                         NULL,           /* class_finalize */
 107                         NULL,           /* class_data */
 108                         sizeof(GQvCellRendererIcon), /* instance_size */
 109                         0,              /* n_preallocs */
 110                         (GInstanceInitFunc) gqv_cell_renderer_icon_init_wrapper, /* instance_init */
 111                         NULL,           /* value_table */
 112                         };
 113
 114                 cell_icon_type = g_type_register_static(GTK_TYPE_CELL_RENDERER,
 115                                                         "GQvCellRendererIcon",
 116                                                         &cell_icon_info, 0);
 117                 }
 118
 119         return cell_icon_type;
 120 }
 121
 122 static void
 123 gqv_cell_renderer_icon_init_wrapper(void *data, void *UNUSED(user_data))
 124 {
 125         gqv_cell_renderer_icon_init(data);
 126 }
 127
 128 static void
 129 gqv_cell_renderer_icon_init(GQvCellRendererIcon *cellicon)
 130 {
 131         g_object_set(G_OBJECT(cellicon), "mode", GTK_CELL_RENDERER_MODE_ACTIVATABLE, NULL);
 132         gtk_cell_renderer_set_padding(GTK_CELL_RENDERER(cellicon), 2, 2);
 133 }
 134
 135 static void
 136 gqv_cell_renderer_icon_class_init_wrapper(void *data, void *UNUSED(user_data))
 137 {
 138         gqv_cell_renderer_icon_class_init(data);
 139 }
 140
 141 static void
 142 gqv_cell_renderer_icon_class_init(GQvCellRendererIconClass *class)
 143 {
 144         GObjectClass *object_class = G_OBJECT_CLASS(class);
 145         GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS(class);
 146
 147         parent_class = g_type_class_peek_parent(class);
 148
 149         object_class->finalize = gqv_cell_renderer_icon_finalize;
 150
 151         object_class->get_property = gqv_cell_renderer_icon_get_property;
 152         object_class->set_property = gqv_cell_renderer_icon_set_property;
 153
 154         cell_class->get_size = gqv_cell_renderer_icon_get_size;
 155         cell_class->render = gqv_cell_renderer_icon_render;
 156         cell_class->activate = gqv_cell_renderer_icon_activate;
 157
 158         g_object_class_install_property(object_class,
 159                                         PROP_PIXBUF,
 160                                         g_param_spec_object("pixbuf",
 161                                                         "Pixbuf Object",
 162                                                         "The pixbuf to render",
 163                                                         GDK_TYPE_PIXBUF,
 164                                                         G_PARAM_READWRITE));
 165
 166         g_object_class_install_property(object_class,
 167                                         PROP_TEXT,
 168                                         g_param_spec_string("text",
 169                                                         "Text",
 170                                                         "Text to render",
 171                                                         NULL,
 172                                                         G_PARAM_READWRITE));
 173
 174         g_object_class_install_property(object_class,
 175                                         PROP_BACKGROUND_GDK,
 176                                         g_param_spec_boxed("background_gdk",
 177                                                         "Background color",
 178                                                         "Background color as a GdkColor",
 179                                                         GDK_TYPE_COLOR,
 180                                                         G_PARAM_READWRITE));
 181
 182         g_object_class_install_property(object_class,
 183                                         PROP_FOREGROUND_GDK,
 184                                         g_param_spec_boxed("foreground_gdk",
 185                                                         "Foreground color",
 186                                                         "Foreground color as a GdkColor",
 187                                                         GDK_TYPE_COLOR,
 188                                                         G_PARAM_READWRITE));
 189
 190         g_object_class_install_property(object_class,
 191                                         PROP_FOCUSED,
 192                                         g_param_spec_boolean("has_focus",
 193                                                         "Focus",
 194                                                         "Draw focus indicator",
 195                                                         FALSE,
 196                                                         G_PARAM_READWRITE));
 197
 198         g_object_class_install_property(object_class,
 199                                         PROP_FIXED_WIDTH,
 200                                         g_param_spec_int("fixed_width",
 201                                                         "Fixed width",
 202                                                         "Width of cell",
 203                                                         -1, FIXED_ICON_SIZE_MAX,
 204                                                         -1,
 205                                                         G_PARAM_READWRITE));
 206
 207         g_object_class_install_property(object_class,
 208                                         PROP_FIXED_HEIGHT,
 209                                         g_param_spec_int("fixed_height",
 210                                                         "Fixed height",
 211                                                         "Height of icon excluding text",
 212                                                         -1, FIXED_ICON_SIZE_MAX,
 213                                                         -1,
 214                                                         G_PARAM_READWRITE));
 215
 216         g_object_class_install_property(object_class,
 217                                         PROP_BACKGROUND_SET,
 218                                         g_param_spec_boolean("background_set",
 219                                                         "Background set",
 220                                                         "Whether this tag affects the background color",
 221                                                         FALSE,
 222                                                         G_PARAM_READWRITE));
 223
 224         g_object_class_install_property(object_class,
 225                                         PROP_FOREGROUND_SET,
 226                                         g_param_spec_boolean("foreground_set",
 227                                                         "Foreground set",
 228                                                         "Whether this tag affects the foreground color",
 229                                                         FALSE,
 230                                                         G_PARAM_READWRITE));
 231
 232         g_object_class_install_property(object_class,
 233                                         PROP_SHOW_TEXT,
 234                                         g_param_spec_boolean("show_text",
 235                                                         "Show text",
 236                                                         "Whether the text is displayed",
 237                                                         TRUE,
 238                                                         G_PARAM_READWRITE));
 239
 240         g_object_class_install_property(object_class,
 241                                         PROP_SHOW_MARKS,
 242                                         g_param_spec_boolean("show_marks",
 243                                                         "Show marks",
 244                                                         "Whether the marks are displayed",
 245                                                         TRUE,
 246                                                         G_PARAM_READWRITE));
 247
 248         g_object_class_install_property(object_class,
 249                                         PROP_NUM_MARKS,
 250                                         g_param_spec_int("num_marks",
 251                                                         "Number of marks",
 252                                                         "Number of marks",
 253                                                         0, 32,
 254                                                         6,
 255                                                         G_PARAM_READWRITE));
 256
 257         g_object_class_install_property(object_class,
 258                                         PROP_MARKS,
 259                                         g_param_spec_uint("marks",
 260                                                         "Marks",
 261                                                         "Marks bit array",
 262                                                         0, 0xffffffff,
 263                                                         0,
 264                                                         G_PARAM_READWRITE));
 265
 266         g_object_class_install_property(object_class,
 267                                         PROP_TOGGLED,
 268                                         g_param_spec_uint("toggled_mark",
 269                                                         "Toggled mark",
 270                                                         "Toggled mark",
 271                                                         0, 32,
 272                                                         0,
 273                                                         G_PARAM_READWRITE));
 274         toggle_cell_signals[TOGGLED] =
 275                 g_signal_new("toggled",
 276                 G_OBJECT_CLASS_TYPE (object_class),
 277                 G_SIGNAL_RUN_LAST,
 278                 G_STRUCT_OFFSET (GQvCellRendererIconClass, toggled),
 279                 NULL, NULL,
 280                 g_cclosure_marshal_VOID__STRING,
 281                 G_TYPE_NONE, 1,
 282                 G_TYPE_STRING);
 283
 284 }
 285
 286 static void
 287 gqv_cell_renderer_icon_finalize(GObject *object)
 288 {
 289         GQvCellRendererIcon *cellicon = GQV_CELL_RENDERER_ICON(object);
 290
 291         if (cellicon->pixbuf) g_object_unref(cellicon->pixbuf);
 292
 293         g_free(cellicon->text);
 294
 295         (*(G_OBJECT_CLASS(parent_class))->finalize)(object);
 296 }
 297
 298 static void
 299 gqv_cell_renderer_icon_get_property(GObject     *object,
 300                                     guint       param_id,
 301                                     GValue      *value,
 302                                     GParamSpec  *pspec)
 303 {
 304         GQvCellRendererIcon *cellicon = GQV_CELL_RENDERER_ICON(object);
 305
 306         switch (param_id)
 307         {
 308         case PROP_PIXBUF:
 309                 g_value_set_object(value, cellicon->pixbuf ? G_OBJECT(cellicon->pixbuf) : NULL);
 310                 break;
 311         case PROP_TEXT:
 312                 g_value_set_string(value, cellicon->text);
 313                 break;
 314         case PROP_BACKGROUND_GDK:
 315                 {
 316                 GdkColor color;
 317
 318                 color.red = cellicon->background.red;
 319                 color.green = cellicon->background.green;
 320                 color.blue = cellicon->background.blue;
 321
 322                 g_value_set_boxed(value, &color);
 323                 }
 324                 break;
 325         case PROP_FOREGROUND_GDK:
 326                 {
 327                 GdkColor color;
 328
 329                 color.red = cellicon->foreground.red;
 330                 color.green = cellicon->foreground.green;
 331                 color.blue = cellicon->foreground.blue;
 332
 333                 g_value_set_boxed(value, &color);
 334                 }
 335                 break;
 336         case PROP_FOCUSED:
 337                 g_value_set_boolean(value, cellicon->focused);
 338                 break;
 339         case PROP_FIXED_WIDTH:
 340                 g_value_set_int(value, cellicon->fixed_width);
 341                 break;
 342         case PROP_FIXED_HEIGHT:
 343                 g_value_set_int(value, cellicon->fixed_height);
 344                 break;
 345         case PROP_BACKGROUND_SET:
 346                 g_value_set_boolean(value, cellicon->background_set);
 347                 break;
 348         case PROP_FOREGROUND_SET:
 349                 g_value_set_boolean(value, cellicon->foreground_set);
 350                 break;
 351         case PROP_SHOW_TEXT:
 352                 g_value_set_boolean(value, cellicon->show_text);
 353                 break;
 354         case PROP_SHOW_MARKS:
 355                 g_value_set_boolean(value, cellicon->show_marks);
 356                 break;
 357         case PROP_NUM_MARKS:
 358                 g_value_set_int(value, cellicon->num_marks);
 359                 break;
 360         case PROP_MARKS:
 361                 g_value_set_uint(value, cellicon->marks);
 362                 break;
 363         case PROP_TOGGLED:
 364                 g_value_set_uint(value, cellicon->toggled_mark);
 365                 break;
 366         default:
 367                 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec);
 368                 break;
 369         }
 370 }
 371
 372 static void
 373 set_bg_color(GQvCellRendererIcon *cellicon,
 374              GdkColor             *color)
 375 {
 376         if (color)
 377                 {
 378                 if (!cellicon->background_set)
 379                         {
 380                         cellicon->background_set = TRUE;
 381                         g_object_notify(G_OBJECT(cellicon), "background_set");
 382                         }
 383
 384                 cellicon->background.red = color->red;
 385                 cellicon->background.green = color->green;
 386                 cellicon->background.blue = color->blue;
 387                 }
 388         else
 389                 {
 390                 if (cellicon->background_set)
 391                         {
 392                         cellicon->background_set = FALSE;
 393                         g_object_notify(G_OBJECT(cellicon), "background_set");
 394                         }
 395                 }
 396 }
 397
 398 static void set_fg_color(GQvCellRendererIcon *cellicon,
 399                          GdkColor             *color)
 400 {
 401         if (color)
 402                 {
 403                 if (!cellicon->foreground_set)
 404                         {
 405                         cellicon->foreground_set = TRUE;
 406                         g_object_notify(G_OBJECT(cellicon), "foreground_set");
 407                         }
 408
 409                 cellicon->foreground.red = color->red;
 410                 cellicon->foreground.green = color->green;
 411                 cellicon->foreground.blue = color->blue;
 412                 }
 413         else
 414                 {
 415                 if (cellicon->foreground_set)
 416                         {
 417                         cellicon->foreground_set = FALSE;
 418                         g_object_notify(G_OBJECT(cellicon), "foreground_set");
 419                         }
 420                 }
 421 }
 422
 423 static void
 424 gqv_cell_renderer_icon_set_property(GObject             *object,
 425                                     guint               param_id,
 426                                     const GValue        *value,
 427                                     GParamSpec          *pspec)
 428 {
 429         GQvCellRendererIcon *cellicon = GQV_CELL_RENDERER_ICON(object);
 430
 431         switch (param_id)
 432         {
 433         case PROP_PIXBUF:
 434                 {
 435                 GdkPixbuf *pixbuf;
 436
 437                 pixbuf = (GdkPixbuf *) g_value_get_object(value);
 438                 if (pixbuf) g_object_ref(pixbuf);
 439                 if (cellicon->pixbuf) g_object_unref(cellicon->pixbuf);
 440                 cellicon->pixbuf = pixbuf;
 441                 }
 442                 break;
 443         case PROP_TEXT:
 444                 {
 445                 gchar *text;
 446
 447                 text = cellicon->text;
 448                 cellicon->text = g_strdup(g_value_get_string(value));
 449                 g_free(text);
 450
 451                 g_object_notify(object, "text");
 452                 }
 453                 break;
 454         case PROP_BACKGROUND_GDK:
 455                 set_bg_color(cellicon, g_value_get_boxed(value));
 456                 break;
 457         case PROP_FOREGROUND_GDK:
 458                 set_fg_color(cellicon, g_value_get_boxed(value));
 459                 break;
 460         case PROP_FOCUSED:
 461                 cellicon->focused = g_value_get_boolean(value);
 462                 break;
 463         case PROP_FIXED_WIDTH:
 464                 cellicon->fixed_width = g_value_get_int(value);
 465                 break;
 466         case PROP_FIXED_HEIGHT:
 467                 cellicon->fixed_height = g_value_get_int(value);
 468                 break;
 469         case PROP_BACKGROUND_SET:
 470                 cellicon->background_set = g_value_get_boolean(value);
 471                 break;
 472         case PROP_FOREGROUND_SET:
 473                 cellicon->foreground_set = g_value_get_boolean(value);
 474                 break;
 475         case PROP_SHOW_TEXT:
 476                 cellicon->show_text = g_value_get_boolean(value);
 477                 break;
 478         case PROP_SHOW_MARKS:
 479                 cellicon->show_marks = g_value_get_boolean(value);
 480                 break;
 481         case PROP_NUM_MARKS:
 482                 cellicon->num_marks = g_value_get_int(value);
 483                 break;
 484         case PROP_MARKS:
 485                 cellicon->marks = g_value_get_uint(value);
 486                 break;
 487         default:
 488                 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, param_id, pspec);
 489                 break;
 490         }
 491 }
 492
 493 static PangoLayout *
 494 gqv_cell_renderer_icon_get_layout(GQvCellRendererIcon *cellicon, GtkWidget *widget, gboolean will_render)
 495 {
 496         PangoLayout *layout;
 497         gint width;
 498
 499         width = (cellicon->fixed_width > 0) ? cellicon->fixed_width * PANGO_SCALE : -1;
 500
 501         layout = gtk_widget_create_pango_layout(widget, cellicon->text);
 502         pango_layout_set_width(layout, width);
 503         pango_layout_set_alignment(layout, PANGO_ALIGN_CENTER);
 504         pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR);
 505
 506         if (will_render)
 507                 {
 508                 PangoAttrList *attr_list;
 509
 510                 attr_list = pango_attr_list_new();
 511
 512                 if (cellicon->foreground_set)
 513                         {
 514                         PangoColor color;
 515                         PangoAttribute *attr;
 516
 517                         color = cellicon->foreground;
 518
 519                         attr = pango_attr_foreground_new(color.red, color.green, color.blue);
 520
 521                         attr->start_index = 0;
 522                         attr->end_index = G_MAXINT;
 523                         pango_attr_list_insert(attr_list, attr);
 524                         }
 525
 526                 pango_layout_set_attributes(layout, attr_list);
 527                 pango_attr_list_unref(attr_list);
 528                 }
 529
 530         return layout;
 531 }
 532
 533 /**
 534  * gqv_cell_renderer_icon_new:
 535  *
 536  * Creates a new #GQvCellRendererIcon. Adjust rendering
 537  * parameters using object properties. Object properties can be set
 538  * globally (with g_object_set()). Also, with #GtkTreeViewColumn, you
 539  * can bind a property to a value in a #GtkTreeModel. For example, you
 540  * can bind the "pixbuf" property on the cell renderer to a pixbuf value
 541  * in the model, thus rendering a different image in each row of the
 542  * #GtkTreeView.
 543  *
 544  * Return value: the new cell renderer
 545  **/
 546 GtkCellRenderer *
 547 gqv_cell_renderer_icon_new(void)
 548 {
 549         return g_object_new(GQV_TYPE_CELL_RENDERER_ICON, NULL);
 550 }
 551
 552 static void gqv_cell_renderer_icon_get_size(GtkCellRenderer    *cell,
 553                                             GtkWidget          *widget,
 554                                             const GdkRectangle *cell_area,
 555                                             gint               *x_offset,
 556                                             gint               *y_offset,
 557                                             gint               *width,
 558                                             gint               *height)
 559 {
 560         GQvCellRendererIcon *cellicon = (GQvCellRendererIcon *) cell;
 561         gint calc_width;
 562         gint calc_height;
 563         gint xpad, ypad;
 564         gfloat xalign, yalign;
 565
 566         gtk_cell_renderer_get_padding(cell, &xpad, &ypad);
 567         gtk_cell_renderer_get_alignment(cell, &xalign, &yalign);
 568
 569         if (cellicon->fixed_width > 0)
 570                 {
 571                 calc_width = cellicon->fixed_width;
 572                 }
 573         else
 574                 {
 575                 calc_width = (cellicon->pixbuf) ? gdk_pixbuf_get_width(cellicon->pixbuf) : 0;
 576                 }
 577
 578         if (cellicon->fixed_height > 0)
 579                 {
 580                 calc_height = cellicon->fixed_height;
 581                 }
 582         else
 583                 {
 584                 calc_height = (cellicon->pixbuf) ? gdk_pixbuf_get_height(cellicon->pixbuf) : 0;
 585                 }
 586
 587         if (cellicon->show_text && cellicon->text)
 588                 {
 589                 PangoLayout *layout;
 590                 PangoRectangle rect;
 591
 592                 layout = gqv_cell_renderer_icon_get_layout(cellicon, widget, FALSE);
 593                 pango_layout_get_pixel_extents(layout, NULL, &rect);
 594                 g_object_unref(layout);
 595
 596                 calc_width = MAX(calc_width, rect.width);
 597                 calc_height += rect.height;
 598                 }
 599
 600         if (cellicon->show_marks)
 601                 {
 602                 calc_height += TOGGLE_SPACING;
 603                 calc_width = MAX(calc_width, TOGGLE_SPACING * cellicon->num_marks);
 604                 }
 605
 606         calc_width += xpad * 2;
 607         calc_height += ypad * 2;
 608
 609         if (x_offset) *x_offset = 0;
 610         if (y_offset) *y_offset = 0;
 611
 612         if (cell_area && calc_width > 0 && calc_height > 0)
 613                 {
 614                 if (x_offset)
 615                         {
 616                         *x_offset = (xalign * (cell_area->width - calc_width - 2 * xpad));
 617                         *x_offset = MAX(*x_offset, 0) + xpad;
 618                         }
 619                 if (y_offset)
 620                         {
 621                         *y_offset = (yalign * (cell_area->height - calc_height - 2 * ypad));
 622                         *y_offset = MAX(*y_offset, 0) + ypad;
 623                         }
 624                 }
 625
 626         if (width) *width = calc_width;
 627         if (height) *height = calc_height;
 628 }
 629
 630 static void gqv_cell_renderer_icon_render(GtkCellRenderer *cell,
 631                                            cairo_t *cr,
 632                                            GtkWidget *widget,
 633                                            const GdkRectangle *UNUSED(background_area),
 634                                            const GdkRectangle *cell_area,
 635                                            GtkCellRendererState flags)
 636
 637 {
 638         GtkStyleContext *context = gtk_widget_get_style_context(widget);
 639         GQvCellRendererIcon *cellicon = (GQvCellRendererIcon *) cell;
 640         GdkPixbuf *pixbuf;
 641         const gchar *text;
 642         GdkRectangle cell_rect;
 643         GtkStateFlags state;
 644         gint xpad, ypad;
 645
 646
 647         pixbuf = cellicon->pixbuf;
 648         text = cellicon->text;
 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 &= ~(GTK_STATE_FLAG_CHECKED);
 751
 752                                 if ((cellicon->marks & (1 << i)))
 753                                         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                                 gtk_render_check(context, cr,
 782                                          pix_rect.x + i * TOGGLE_SPACING + (TOGGLE_WIDTH - TOGGLE_SPACING) / 2,
 783                                          pix_rect.y,
 784                                          TOGGLE_WIDTH, TOGGLE_WIDTH);
 785                                 gtk_render_frame(context, cr,
 786                                          pix_rect.x + i * TOGGLE_SPACING + (TOGGLE_WIDTH - TOGGLE_SPACING) / 2,
 787                                          pix_rect.y,
 788                                          TOGGLE_WIDTH, TOGGLE_WIDTH);
 789
 790                                 if (cellicon->focused && gtk_widget_has_focus(widget))
 791                                         {
 792                                         gtk_render_focus(context, cr,
 793                                                 pix_rect.x + i * TOGGLE_SPACING + (TOGGLE_WIDTH - TOGGLE_SPACING) / 2,
 794                                                 pix_rect.y, TOGGLE_WIDTH, TOGGLE_WIDTH);
 795                                         }
 796                                 gtk_style_context_restore(context);
 797                                 cairo_restore(cr);
 798                                 }
 799                         }
 800                 }
 801 }
 802
 803 static gboolean gqv_cell_renderer_icon_activate(GtkCellRenderer      *cell,
 804                                                 GdkEvent             *event,
 805                                                 GtkWidget            *widget,
 806                                                 const gchar          *path,
 807                                                 const GdkRectangle   *UNUSED(background_area),
 808                                                 const GdkRectangle   *cell_area,
 809                                                 GtkCellRendererState  UNUSED(flags))
 810 {
 811         GQvCellRendererIcon *cellicon = (GQvCellRendererIcon *) cell;
 812         GdkEventButton *bevent = &event->button;
 813
 814         if (cellicon->show_marks &&
 815             event->type == GDK_BUTTON_PRESS &&
 816             !(bevent->state & GDK_SHIFT_MASK ) &&
 817             !(bevent->state & GDK_CONTROL_MASK ))
 818                 {
 819                 GdkRectangle rect;
 820                 GdkRectangle cell_rect;
 821                 gint i;
 822                 gint xpad, ypad;
 823
 824                 gtk_cell_renderer_get_padding(cell, &xpad, &ypad);
 825
 826                 gqv_cell_renderer_icon_get_size(cell, widget, cell_area,
 827                                                 &cell_rect.x, &cell_rect.y,
 828                                                 &cell_rect.width, &cell_rect.height);
 829
 830                 cell_rect.x += xpad;
 831                 cell_rect.y += ypad;
 832                 cell_rect.width -= xpad * 2;
 833                 cell_rect.height -= ypad * 2;
 834
 835                 rect.width = TOGGLE_WIDTH;
 836                 rect.height = TOGGLE_WIDTH;
 837                 rect.y = cell_area->y + ypad + (cell_rect.height - TOGGLE_SPACING) + (TOGGLE_SPACING - TOGGLE_WIDTH) / 2;
 838                 for (i = 0; i < cellicon->num_marks; i++)
 839                         {
 840                         rect.x = cell_area->x + xpad + (cell_rect.width - TOGGLE_SPACING * cellicon->num_marks + 1) / 2 + i * TOGGLE_SPACING;
 841
 842                         if (bevent->x >= rect.x && bevent->x < rect.x + rect.width &&
 843                             bevent->y >= rect.y && bevent->y < rect.y + rect.height)
 844                                 {
 845                                 cellicon->toggled_mark = i;
 846                                 g_signal_emit(cell, toggle_cell_signals[TOGGLED], 0, path);
 847                                 break;
 848                                 }
 849                         }
 850                 }
 851         return FALSE;
 852 }
 853 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */