src/pan-view/pan-item.cc

   1 /*
   2  * Copyright (C) 2006 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: John Ellis
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "pan-item.h"
  23
  24 #include <algorithm>
  25 #include <cstring>
  26
  27 #include <glib-object.h>
  28 #include <gtk/gtk.h>
  29 #include <pango/pango.h>
  30
  31 #include "cache.h"
  32 #include "filedata.h"
  33 #include "image.h"
  34 #include "pan-types.h"
  35 #include "pixbuf-util.h"
  36 #include "ui-misc.h"
  37
  38 namespace
  39 {
  40
  41 constexpr gint PAN_OUTLINE_THICKNESS = 1;
  42 #define PAN_OUTLINE_ALPHA 180
  43 #define PAN_OUTLINE_COLOR_1 255, 255, 255, PAN_OUTLINE_ALPHA
  44 #define PAN_OUTLINE_COLOR_2 64, 64, 64, PAN_OUTLINE_ALPHA
  45
  46 /* popup info box */
  47 constexpr PanColor PAN_POPUP_TEXT_COLOR{0, 0, 0, 225};
  48
  49 } // namespace
  50
  51 /*
  52  *-----------------------------------------------------------------------------
  53  * item base functions
  54  *-----------------------------------------------------------------------------
  55  */
  56
  57 void pan_item_free(PanItem *pi)
  58 {
  59         if (!pi) return;
  60
  61         if (pi->pixbuf) g_object_unref(pi->pixbuf);
  62         if (pi->fd) file_data_unref(pi->fd);
  63         g_free(pi->text);
  64         g_free(pi->key);
  65         g_free(pi->data);
  66
  67         g_free(pi);
  68 }
  69
  70 void pan_item_set_key(PanItem *pi, const gchar *key)
  71 {
  72         gchar *tmp;
  73
  74         if (!pi) return;
  75
  76         tmp = pi->key;
  77         pi->key = g_strdup(key);
  78         g_free(tmp);
  79 }
  80
  81 void pan_item_added(PanWindow *pw, PanItem *pi)
  82 {
  83         if (!pi) return;
  84         image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
  85 }
  86
  87 void pan_item_remove(PanWindow *pw, PanItem *pi)
  88 {
  89         if (!pi) return;
  90
  91         if (pw->click_pi == pi) pw->click_pi = nullptr;
  92         if (pw->queue_pi == pi) pw->queue_pi = nullptr;
  93         if (pw->search_pi == pi) pw->search_pi = nullptr;
  94         pw->queue = g_list_remove(pw->queue, pi);
  95
  96         pw->list = g_list_remove(pw->list, pi);
  97         image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
  98         pan_item_free(pi);
  99 }
 100
 101 void pan_item_size_by_item(PanItem *pi, PanItem *child, gint border)
 102 {
 103         if (!pi || !child) return;
 104
 105         if (pi->x + pi->width < child->x + child->width + border)
 106                 pi->width = child->x + child->width + border - pi->x;
 107
 108         if (pi->y + pi->height < child->y + child->height + border)
 109                 pi->height = child->y + child->height + border - pi->y;
 110 }
 111
 112 void pan_item_size_coordinates(PanItem *pi, gint border, gint &w, gint &h)
 113 {
 114         if (!pi) return;
 115
 116         w = std::max(w, pi->x + pi->width + border);
 117         h = std::max(h, pi->y + pi->height + border);
 118 }
 119
 120
 121 /*
 122  *-----------------------------------------------------------------------------
 123  * item box type
 124  *-----------------------------------------------------------------------------
 125  */
 126
 127 PanItem *pan_item_box_new(PanWindow *pw, FileData *fd, gint x, gint y, gint width, gint height,
 128                           gint border_size, const PanColor &base, const PanColor &bord)
 129 {
 130         PanItem *pi;
 131
 132         pi = g_new0(PanItem, 1);
 133         pi->type = PAN_ITEM_BOX;
 134         pi->fd = fd;
 135         pi->x = x;
 136         pi->y = y;
 137         pi->width = width;
 138         pi->height = height;
 139
 140         pi->color = base;
 141
 142         pi->color2 = bord;
 143         pi->border = border_size;
 144
 145         pw->list = g_list_prepend(pw->list, pi);
 146
 147         return pi;
 148 }
 149
 150 void pan_item_box_shadow(PanItem *pi, gint offset, gint fade)
 151 {
 152         gint *shadow;
 153
 154         if (!pi || pi->type != PAN_ITEM_BOX) return;
 155
 156         shadow = static_cast<gint *>(pi->data);
 157         if (shadow)
 158                 {
 159                 pi->width -= shadow[0];
 160                 pi->height -= shadow[0];
 161                 }
 162
 163         shadow = g_new0(gint, 2);
 164         shadow[0] = offset;
 165         shadow[1] = fade;
 166
 167         pi->width += offset;
 168         pi->height += offset;
 169
 170         g_free(pi->data);
 171         pi->data = shadow;
 172 }
 173
 174 gint pan_item_box_draw(PanWindow *, PanItem *pi, GdkPixbuf *pixbuf, PixbufRenderer *,
 175                        gint x, gint y, gint width, gint height)
 176 {
 177         gint bw;
 178         gint bh;
 179         gint *shadow;
 180         gint rx;
 181         gint ry;
 182         gint rw;
 183         gint rh;
 184
 185         bw = pi->width;
 186         bh = pi->height;
 187
 188         shadow = static_cast<gint *>(pi->data);
 189         if (shadow)
 190                 {
 191                 bw -= shadow[0];
 192                 bh -= shadow[0];
 193
 194                 if (pi->color.a > 254)
 195                         {
 196                         pixbuf_draw_shadow(pixbuf, pi->x - x + bw, pi->y - y + shadow[0],
 197                                            shadow[0], bh - shadow[0],
 198                                            pi->x - x + shadow[0], pi->y - y + shadow[0], bw, bh,
 199                                            shadow[1],
 200                                            PAN_SHADOW_COLOR, PAN_SHADOW_ALPHA);
 201                         pixbuf_draw_shadow(pixbuf, pi->x - x + shadow[0], pi->y - y + bh,
 202                                            bw, shadow[0],
 203                                            pi->x - x + shadow[0], pi->y - y + shadow[0], bw, bh,
 204                                            shadow[1],
 205                                            PAN_SHADOW_COLOR, PAN_SHADOW_ALPHA);
 206                         }
 207                 else
 208                         {
 209                         gint a;
 210                         a = pi->color.a * PAN_SHADOW_ALPHA >> 8;
 211                         pixbuf_draw_shadow(pixbuf, pi->x - x + shadow[0], pi->y - y + shadow[0],
 212                                            bw, bh,
 213                                            pi->x - x + shadow[0], pi->y - y + shadow[0], bw, bh,
 214                                            shadow[1],
 215                                            PAN_SHADOW_COLOR, a);
 216                         }
 217                 }
 218
 219         if (util_clip_region(x, y, width, height,
 220                              pi->x, pi->y, bw, bh,
 221                              &rx, &ry, &rw, &rh))
 222                 {
 223                 pixbuf_draw_rect_fill(pixbuf,
 224                                       rx - x, ry - y, rw, rh,
 225                                       pi->color.r, pi->color.g, pi->color.b, pi->color.a);
 226                 }
 227         if (util_clip_region(x, y, width, height,
 228                              pi->x, pi->y, bw, pi->border,
 229                              &rx, &ry, &rw, &rh))
 230                 {
 231                 pixbuf_draw_rect_fill(pixbuf,
 232                                       rx - x, ry - y, rw, rh,
 233                                       pi->color2.r, pi->color2.g, pi->color2.b, pi->color2.a);
 234                 }
 235         if (util_clip_region(x, y, width, height,
 236                              pi->x, pi->y + pi->border, pi->border, bh - pi->border * 2,
 237                              &rx, &ry, &rw, &rh))
 238                 {
 239                 pixbuf_draw_rect_fill(pixbuf,
 240                                       rx - x, ry - y, rw, rh,
 241                                       pi->color2.r, pi->color2.g, pi->color2.b, pi->color2.a);
 242                 }
 243         if (util_clip_region(x, y, width, height,
 244                              pi->x + bw - pi->border, pi->y + pi->border,
 245                              pi->border, bh - pi->border * 2,
 246                              &rx, &ry, &rw, &rh))
 247                 {
 248                 pixbuf_draw_rect_fill(pixbuf,
 249                                       rx - x, ry - y, rw, rh,
 250                                       pi->color2.r, pi->color2.g, pi->color2.b, pi->color2.a);
 251                 }
 252         if (util_clip_region(x, y, width, height,
 253                              pi->x, pi->y + bh - pi->border,
 254                              bw,  pi->border,
 255                              &rx, &ry, &rw, &rh))
 256                 {
 257                 pixbuf_draw_rect_fill(pixbuf,
 258                                       rx - x, ry - y, rw, rh,
 259                                       pi->color2.r, pi->color2.g, pi->color2.b, pi->color2.a);
 260                 }
 261
 262         return FALSE;
 263 }
 264
 265
 266 /*
 267  *-----------------------------------------------------------------------------
 268  * item triangle type
 269  *-----------------------------------------------------------------------------
 270  */
 271
 272 PanItem *pan_item_tri_new(PanWindow *pw, FileData *, gint x, gint y, gint width, gint height,
 273                           gint x1, gint y1, gint x2, gint y2, gint x3, gint y3,
 274                           const PanColor &color)
 275 {
 276         PanItem *pi;
 277         gint *coord;
 278
 279         pi = g_new0(PanItem, 1);
 280         pi->type = PAN_ITEM_TRIANGLE;
 281         pi->x = x;
 282         pi->y = y;
 283         pi->width = width;
 284         pi->height = height;
 285
 286         pi->color = color;
 287
 288         coord = g_new0(gint, 6);
 289         coord[0] = x1;
 290         coord[1] = y1;
 291         coord[2] = x2;
 292         coord[3] = y2;
 293         coord[4] = x3;
 294         coord[5] = y3;
 295
 296         pi->data = coord;
 297
 298         pi->border = PAN_BORDER_NONE;
 299
 300         pw->list = g_list_prepend(pw->list, pi);
 301
 302         return pi;
 303 }
 304
 305 void pan_item_tri_border(PanItem *pi, gint borders, const PanColor &color)
 306 {
 307         if (!pi || pi->type != PAN_ITEM_TRIANGLE) return;
 308
 309         pi->border = borders;
 310
 311         pi->color2 = color;
 312 }
 313
 314 gint pan_item_tri_draw(PanWindow *, PanItem *pi, GdkPixbuf *pixbuf, PixbufRenderer *, gint x, gint y, gint width, gint height)
 315 {
 316         gint rx;
 317         gint ry;
 318         gint rw;
 319         gint rh;
 320
 321         if (util_clip_region(x, y, width, height,
 322                              pi->x, pi->y, pi->width, pi->height,
 323                              &rx, &ry, &rw, &rh) && pi->data)
 324                 {
 325                 auto coord = static_cast<gint *>(pi->data);
 326                 pixbuf_draw_triangle(pixbuf,
 327                                      rx - x, ry - y, rw, rh,
 328                                      coord[0] - x, coord[1] - y,
 329                                      coord[2] - x, coord[3] - y,
 330                                      coord[4] - x, coord[5] - y,
 331                                      pi->color.r, pi->color.g, pi->color.b, pi->color.a);
 332
 333                 if (pi->border & PAN_BORDER_1)
 334                         {
 335                         pixbuf_draw_line(pixbuf,
 336                                          rx - x, ry - y, rw, rh,
 337                                          coord[0] - x, coord[1] - y,
 338                                          coord[2] - x, coord[3] - y,
 339                                          pi->color2.r, pi->color2.g, pi->color2.b, pi->color2.a);
 340                         }
 341                 if (pi->border & PAN_BORDER_2)
 342                         {
 343                         pixbuf_draw_line(pixbuf,
 344                                          rx - x, ry - y, rw, rh,
 345                                          coord[2] - x, coord[3] - y,
 346                                          coord[4] - x, coord[5] - y,
 347                                          pi->color2.r, pi->color2.g, pi->color2.b, pi->color2.a);
 348                         }
 349                 if (pi->border & PAN_BORDER_3)
 350                         {
 351                         pixbuf_draw_line(pixbuf,
 352                                          rx - x, ry - y, rw, rh,
 353                                          coord[4] - x, coord[5] - y,
 354                                          coord[0] - x, coord[1] - y,
 355                                          pi->color2.r, pi->color2.g, pi->color2.b, pi->color2.a);
 356                         }
 357                 }
 358
 359         return FALSE;
 360 }
 361
 362
 363 /*
 364  *-----------------------------------------------------------------------------
 365  * item text type
 366  *-----------------------------------------------------------------------------
 367  */
 368
 369 static PangoLayout *pan_item_text_layout(PanItem *pi, GtkWidget *widget)
 370 {
 371         PangoLayout *layout;
 372
 373         layout = gtk_widget_create_pango_layout(widget, nullptr);
 374
 375         if (pi->text_attr & PAN_TEXT_ATTR_MARKUP)
 376                 {
 377                 pango_layout_set_markup(layout, pi->text, -1);
 378                 return layout;
 379                 }
 380
 381         if (pi->text_attr & PAN_TEXT_ATTR_BOLD ||
 382             pi->text_attr & PAN_TEXT_ATTR_HEADING)
 383                 {
 384                 PangoAttrList *pal;
 385                 PangoAttribute *pa;
 386
 387                 pal = pango_attr_list_new();
 388                 if (pi->text_attr & PAN_TEXT_ATTR_BOLD)
 389                         {
 390                         pa = pango_attr_weight_new(PANGO_WEIGHT_BOLD);
 391                         pa->start_index = 0;
 392                         pa->end_index = G_MAXINT;
 393                         pango_attr_list_insert(pal, pa);
 394                         }
 395                 if (pi->text_attr & PAN_TEXT_ATTR_HEADING)
 396                         {
 397                         pa = pango_attr_scale_new(PANGO_SCALE_LARGE);
 398                         pa->start_index = 0;
 399                         pa->end_index = G_MAXINT;
 400                         pango_attr_list_insert(pal, pa);
 401                         }
 402                 pango_layout_set_attributes(layout, pal);
 403                 pango_attr_list_unref(pal);
 404                 }
 405
 406         pango_layout_set_text(layout, pi->text, -1);
 407         return layout;
 408 }
 409
 410 static void pan_item_text_compute_size(PanItem *pi, GtkWidget *widget)
 411 {
 412         PangoLayout *layout;
 413
 414         if (!pi || !pi->text || !widget) return;
 415
 416         layout = pan_item_text_layout(pi, widget);
 417         pango_layout_get_pixel_size(layout, &pi->width, &pi->height);
 418         g_object_unref(G_OBJECT(layout));
 419
 420         pi->width += pi->border * 2;
 421         pi->height += pi->border * 2;
 422 }
 423
 424 PanItem *pan_item_text_new(PanWindow *pw, gint x, gint y, const gchar *text,
 425                            PanTextAttrType attr, PanBorderType border, const PanColor &color)
 426 {
 427         PanItem *pi;
 428
 429         pi = g_new0(PanItem, 1);
 430         pi->type = PAN_ITEM_TEXT;
 431         pi->x = x;
 432         pi->y = y;
 433         pi->text = g_strdup(text);
 434         pi->text_attr = attr;
 435
 436         pi->color = color;
 437
 438         pi->border = border;
 439
 440         pan_item_text_compute_size(pi, pw->imd->pr);
 441
 442         pw->list = g_list_prepend(pw->list, pi);
 443
 444         return pi;
 445 }
 446
 447 gint pan_item_text_draw(PanWindow *, PanItem *pi, GdkPixbuf *pixbuf, PixbufRenderer *pr, gint x, gint y, gint, gint)
 448 {
 449         PangoLayout *layout;
 450
 451         layout = pan_item_text_layout(pi, reinterpret_cast<GtkWidget *>(pr));
 452         pixbuf_draw_layout(pixbuf, layout, reinterpret_cast<GtkWidget *>(pr),
 453                            pi->x - x + pi->border, pi->y - y + pi->border,
 454                            pi->color.r, pi->color.g, pi->color.b, pi->color.a);
 455         g_object_unref(G_OBJECT(layout));
 456
 457         return FALSE;
 458 }
 459
 460
 461 /*
 462  *-----------------------------------------------------------------------------
 463  * item thumbnail type
 464  *-----------------------------------------------------------------------------
 465  */
 466
 467 PanItem *pan_item_thumb_new(PanWindow *pw, FileData *fd, gint x, gint y)
 468 {
 469         PanItem *pi;
 470
 471         pi = g_new0(PanItem, 1);
 472
 473         pi->type = PAN_ITEM_THUMB;
 474         pi->fd = fd;
 475         pi->x = x;
 476         pi->y = y;
 477         pi->width = PAN_THUMB_SIZE + PAN_SHADOW_OFFSET * 2;
 478         pi->height = PAN_THUMB_SIZE + PAN_SHADOW_OFFSET * 2;
 479
 480         pw->list = g_list_prepend(pw->list, pi);
 481
 482         return pi;
 483 }
 484
 485 gint pan_item_thumb_draw(PanWindow *pw, PanItem *pi, GdkPixbuf *pixbuf, PixbufRenderer *, gint x, gint y, gint width, gint height)
 486 {
 487         gint tx;
 488         gint ty;
 489         gint tw;
 490         gint th;
 491         gint rx;
 492         gint ry;
 493         gint rw;
 494         gint rh;
 495
 496         if (pi->pixbuf)
 497                 {
 498                 tw = gdk_pixbuf_get_width(pi->pixbuf);
 499                 th = gdk_pixbuf_get_height(pi->pixbuf);
 500
 501                 tx = pi->x + (pi->width - tw) / 2;
 502                 ty = pi->y + (pi->height - th) / 2;
 503
 504                 if (gdk_pixbuf_get_has_alpha(pi->pixbuf))
 505                         {
 506                         if (util_clip_region(x, y, width, height,
 507                                              tx + PAN_SHADOW_OFFSET, ty + PAN_SHADOW_OFFSET, tw, th,
 508                                              &rx, &ry, &rw, &rh))
 509                                 {
 510                                 pixbuf_draw_shadow(pixbuf,
 511                                                    rx - x, ry - y, rw, rh,
 512                                                    tx + PAN_SHADOW_OFFSET - x, ty + PAN_SHADOW_OFFSET - y, tw, th,
 513                                                    PAN_SHADOW_FADE,
 514                                                    PAN_SHADOW_COLOR, PAN_SHADOW_ALPHA);
 515                                 }
 516                         }
 517                 else
 518                         {
 519                         if (util_clip_region(x, y, width, height,
 520                                              tx + tw, ty + PAN_SHADOW_OFFSET,
 521                                              PAN_SHADOW_OFFSET, th - PAN_SHADOW_OFFSET,
 522                                              &rx, &ry, &rw, &rh))
 523                                 {
 524                                 pixbuf_draw_shadow(pixbuf,
 525                                                    rx - x, ry - y, rw, rh,
 526                                                    tx + PAN_SHADOW_OFFSET - x, ty + PAN_SHADOW_OFFSET - y, tw, th,
 527                                                    PAN_SHADOW_FADE,
 528                                                    PAN_SHADOW_COLOR, PAN_SHADOW_ALPHA);
 529                                 }
 530                         if (util_clip_region(x, y, width, height,
 531                                              tx + PAN_SHADOW_OFFSET, ty + th, tw, PAN_SHADOW_OFFSET,
 532                                              &rx, &ry, &rw, &rh))
 533                                 {
 534                                 pixbuf_draw_shadow(pixbuf,
 535                                                    rx - x, ry - y, rw, rh,
 536                                                    tx + PAN_SHADOW_OFFSET - x, ty + PAN_SHADOW_OFFSET - y, tw, th,
 537                                                    PAN_SHADOW_FADE,
 538                                                    PAN_SHADOW_COLOR, PAN_SHADOW_ALPHA);
 539                                 }
 540                         }
 541
 542                 if (util_clip_region(x, y, width, height,
 543                                      tx, ty, tw, th,
 544                                      &rx, &ry, &rw, &rh))
 545                         {
 546                         gdk_pixbuf_composite(pi->pixbuf, pixbuf, rx - x, ry - y, rw, rh,
 547                                              static_cast<gdouble>(tx) - x,
 548                                              static_cast<gdouble>(ty) - y,
 549                                              1.0, 1.0, GDK_INTERP_NEAREST,
 550                                              255);
 551                         }
 552
 553                 if (util_clip_region(x, y, width, height,
 554                                      tx, ty, tw, PAN_OUTLINE_THICKNESS,
 555                                      &rx, &ry, &rw, &rh))
 556                         {
 557                         pixbuf_draw_rect_fill(pixbuf,
 558                                               rx - x, ry - y, rw, rh,
 559                                               PAN_OUTLINE_COLOR_1);
 560                         }
 561                 if (util_clip_region(x, y, width, height,
 562                                      tx, ty, PAN_OUTLINE_THICKNESS, th,
 563                                      &rx, &ry, &rw, &rh))
 564                         {
 565                         pixbuf_draw_rect_fill(pixbuf,
 566                                               rx - x, ry - y, rw, rh,
 567                                               PAN_OUTLINE_COLOR_1);
 568                         }
 569                 if (util_clip_region(x, y, width, height,
 570                                      tx + tw - PAN_OUTLINE_THICKNESS, ty +  PAN_OUTLINE_THICKNESS,
 571                                      PAN_OUTLINE_THICKNESS, th - PAN_OUTLINE_THICKNESS,
 572                                      &rx, &ry, &rw, &rh))
 573                         {
 574                         pixbuf_draw_rect_fill(pixbuf,
 575                                               rx - x, ry - y, rw, rh,
 576                                               PAN_OUTLINE_COLOR_2);
 577                         }
 578                 if (util_clip_region(x, y, width, height,
 579                                      tx +  PAN_OUTLINE_THICKNESS, ty + th - PAN_OUTLINE_THICKNESS,
 580                                      tw - PAN_OUTLINE_THICKNESS * 2, PAN_OUTLINE_THICKNESS,
 581                                      &rx, &ry, &rw, &rh))
 582                         {
 583                         pixbuf_draw_rect_fill(pixbuf,
 584                                               rx - x, ry - y, rw, rh,
 585                                               PAN_OUTLINE_COLOR_2);
 586                         }
 587                 }
 588         else
 589                 {
 590                 tw = pi->width - PAN_SHADOW_OFFSET * 2;
 591                 th = pi->height - PAN_SHADOW_OFFSET * 2;
 592                 tx = pi->x + PAN_SHADOW_OFFSET;
 593                 ty = pi->y + PAN_SHADOW_OFFSET;
 594
 595                 if (util_clip_region(x, y, width, height,
 596                                      tx, ty, tw, th,
 597                                      &rx, &ry, &rw, &rh))
 598                         {
 599                         gint d;
 600
 601                         d = (pw->size <= PAN_IMAGE_SIZE_THUMB_NONE) ? 2 : 8;
 602                         pixbuf_draw_rect_fill(pixbuf,
 603                                               rx - x, ry - y, rw, rh,
 604                                               PAN_SHADOW_COLOR,
 605                                               PAN_SHADOW_ALPHA / d);
 606                         }
 607                 }
 608
 609         return (pi->pixbuf == nullptr);
 610 }
 611
 612
 613 /*
 614  *-----------------------------------------------------------------------------
 615  * item image type
 616  *-----------------------------------------------------------------------------
 617  */
 618
 619 static void pan_item_image_find_size(PanWindow *pw, PanItem *pi, gint w, gint h)
 620 {
 621         GList *work;
 622
 623         pi->width = w;
 624         pi->height = h;
 625
 626         if (!pi->fd) return;
 627
 628         work = pw->cache_list;
 629         while (work)
 630                 {
 631                 PanCacheData *pc;
 632
 633                 pc = static_cast<PanCacheData *>(work->data);
 634                 work = work->next;
 635
 636                 if (pc->cd && pc->cd->dimensions &&
 637                     pc->fd && pc->fd == pi->fd)
 638                         {
 639                         pi->width = MAX(1, pc->cd->width * pw->image_size / 100);
 640                         pi->height = MAX(1, pc->cd->height * pw->image_size / 100);
 641
 642                         pw->cache_list = g_list_remove(pw->cache_list, pc);
 643                         cache_sim_data_free(pc->cd);
 644                         file_data_unref(pc->fd);
 645                         g_free(pc);
 646                         return;
 647                         }
 648                 }
 649 }
 650
 651 PanItem *pan_item_image_new(PanWindow *pw, FileData *fd, gint x, gint y, gint w, gint h)
 652 {
 653         PanItem *pi;
 654
 655         pi = g_new0(PanItem, 1);
 656         pi->type = PAN_ITEM_IMAGE;
 657         pi->fd = fd;
 658         pi->x = x;
 659         pi->y = y;
 660
 661         pi->color.a = 255;
 662
 663         pi->color2.r = 0;
 664         pi->color2.g = 0;
 665         pi->color2.b = 0;
 666         pi->color2.a = PAN_SHADOW_ALPHA / 2;
 667
 668         pan_item_image_find_size(pw, pi, w, h);
 669
 670         pw->list = g_list_prepend(pw->list, pi);
 671
 672         return pi;
 673 }
 674
 675 gint pan_item_image_draw(PanWindow *, PanItem *pi, GdkPixbuf *pixbuf, PixbufRenderer *, gint x, gint y, gint width, gint height)
 676 {
 677         gint rx;
 678         gint ry;
 679         gint rw;
 680         gint rh;
 681
 682         if (util_clip_region(x, y, width, height,
 683                              pi->x, pi->y, pi->width, pi->height,
 684                              &rx, &ry, &rw, &rh))
 685                 {
 686                 if (pi->pixbuf)
 687                         {
 688                         gdk_pixbuf_composite(pi->pixbuf, pixbuf, rx - x, ry - y, rw, rh,
 689                                              static_cast<gdouble>(pi->x) - x,
 690                                              static_cast<gdouble>(pi->y) - y,
 691                                              1.0, 1.0, GDK_INTERP_NEAREST,
 692                                              pi->color.a);
 693                         }
 694                 else
 695                         {
 696                         pixbuf_draw_rect_fill(pixbuf,
 697                                               rx - x, ry - y, rw, rh,
 698                                               pi->color2.r, pi->color2.g, pi->color2.b, pi->color2.a);
 699                         }
 700                 }
 701
 702         return (pi->pixbuf == nullptr);
 703 }
 704
 705
 706 /*
 707  *-----------------------------------------------------------------------------
 708  * item lookup/search
 709  *-----------------------------------------------------------------------------
 710  */
 711
 712 PanItem *pan_item_find_by_key(PanWindow *pw, PanItemType type, const gchar *key)
 713 {
 714         GList *work;
 715
 716         if (!key) return nullptr;
 717
 718         work = g_list_last(pw->list);
 719         while (work)
 720                 {
 721                 PanItem *pi;
 722
 723                 pi = static_cast<PanItem *>(work->data);
 724                 if ((pi->type == type || type == PAN_ITEM_NONE) &&
 725                      pi->key && strcmp(pi->key, key) == 0)
 726                         {
 727                         return pi;
 728                         }
 729                 work = work->prev;
 730                 }
 731         work = g_list_last(pw->list_static);
 732         while (work)
 733                 {
 734                 PanItem *pi;
 735
 736                 pi = static_cast<PanItem *>(work->data);
 737                 if ((pi->type == type || type == PAN_ITEM_NONE) &&
 738                      pi->key && strcmp(pi->key, key) == 0)
 739                         {
 740                         return pi;
 741                         }
 742                 work = work->prev;
 743                 }
 744
 745         return nullptr;
 746 }
 747
 748 /* when ignore_case and partial are TRUE, path should be converted to lower case */
 749 static GList *pan_item_find_by_path_l(GList *list, GList *search_list,
 750                                       PanItemType type, const gchar *path,
 751                                       gboolean ignore_case, gboolean partial)
 752 {
 753         GList *work;
 754
 755         work = g_list_last(search_list);
 756         while (work)
 757                 {
 758                 PanItem *pi;
 759
 760                 pi = static_cast<PanItem *>(work->data);
 761                 if ((pi->type == type || type == PAN_ITEM_NONE) && pi->fd)
 762                         {
 763                         gboolean match = FALSE;
 764
 765                         if (path[0] == G_DIR_SEPARATOR)
 766                                 {
 767                                 if (pi->fd->path && strcmp(path, pi->fd->path) == 0) match = TRUE;
 768                                 }
 769                         else if (pi->fd->name)
 770                                 {
 771                                 if (partial)
 772                                         {
 773                                         if (ignore_case)
 774                                                 {
 775                                                 gchar *haystack;
 776
 777                                                 haystack = g_utf8_strdown(pi->fd->name, -1);
 778                                                 match = (strstr(haystack, path) != nullptr);
 779                                                 g_free(haystack);
 780                                                 }
 781                                         else
 782                                                 {
 783                                                 if (strstr(pi->fd->name, path)) match = TRUE;
 784                                                 }
 785                                         }
 786                                 else if (ignore_case)
 787                                         {
 788                                         if (g_ascii_strcasecmp(path, pi->fd->name) == 0) match = TRUE;
 789                                         }
 790                                 else
 791                                         {
 792                                         if (strcmp(path, pi->fd->name) == 0) match = TRUE;
 793                                         }
 794                                 }
 795
 796                         if (match) list = g_list_prepend(list, pi);
 797                         }
 798                 work = work->prev;
 799                 }
 800
 801         return list;
 802 }
 803
 804 /* when ignore_case and partial are TRUE, path should be converted to lower case */
 805 GList *pan_item_find_by_path(PanWindow *pw, PanItemType type, const gchar *path,
 806                              gboolean ignore_case, gboolean partial)
 807 {
 808         GList *list = nullptr;
 809
 810         if (!path) return nullptr;
 811         if (partial && path[0] == G_DIR_SEPARATOR) return nullptr;
 812
 813         list = pan_item_find_by_path_l(list, pw->list_static, type, path, ignore_case, partial);
 814         list = pan_item_find_by_path_l(list, pw->list, type, path, ignore_case, partial);
 815
 816         return g_list_reverse(list);
 817 }
 818
 819 GList *pan_item_find_by_fd(PanWindow *pw, PanItemType type, FileData *fd,
 820                            gboolean ignore_case, gboolean partial)
 821 {
 822         if (!fd) return nullptr;
 823         return pan_item_find_by_path(pw, type, fd->path, ignore_case, partial);
 824 }
 825
 826
 827 static PanItem *pan_item_find_by_coord_l(GList *list, PanItemType type, gint x, gint y, const gchar *key)
 828 {
 829         GList *work;
 830
 831         work = list;
 832         while (work)
 833                 {
 834                 PanItem *pi;
 835
 836                 pi = static_cast<PanItem *>(work->data);
 837                 if ((pi->type == type || type == PAN_ITEM_NONE) &&
 838                      x >= pi->x && x < pi->x + pi->width &&
 839                      y >= pi->y && y < pi->y + pi->height &&
 840                     (!key || (pi->key && strcmp(pi->key, key) == 0)))
 841                         {
 842                         return pi;
 843                         }
 844                 work = work->next;
 845                 }
 846
 847         return nullptr;
 848 }
 849
 850 PanItem *pan_item_find_by_coord(PanWindow *pw, PanItemType type,
 851                                 gint x, gint y, const gchar *key)
 852 {
 853         PanItem *pi;
 854
 855         pi = pan_item_find_by_coord_l(pw->list, type, x, y, key);
 856         if (pi) return pi;
 857
 858         return pan_item_find_by_coord_l(pw->list_static, type, x, y, key);
 859 }
 860
 861
 862 /*
 863  *-----------------------------------------------------------------------------
 864  * text alignments
 865  *-----------------------------------------------------------------------------
 866  */
 867
 868 PanTextAlignment *pan_text_alignment_new(PanWindow *pw, gint x, gint y, const gchar *key)
 869 {
 870         PanTextAlignment *ta;
 871
 872         ta = g_new0(PanTextAlignment, 1);
 873
 874         ta->pw = pw;
 875         ta->x = x;
 876         ta->y = y;
 877         ta->key = g_strdup(key);
 878
 879         return ta;
 880 }
 881
 882 void pan_text_alignment_free(PanTextAlignment *ta)
 883 {
 884         if (!ta) return;
 885
 886         g_list_free(ta->column1);
 887         g_list_free(ta->column2);
 888         g_free(ta->key);
 889         g_free(ta);
 890 }
 891
 892 PanItem *pan_text_alignment_add(PanTextAlignment *ta, const gchar *label, const gchar *text)
 893 {
 894         PanItem *item;
 895
 896         if (label)
 897                 {
 898                 item = pan_item_text_new(ta->pw, ta->x, ta->y, label,
 899                                          PAN_TEXT_ATTR_BOLD, PAN_BORDER_NONE, PAN_POPUP_TEXT_COLOR);
 900                 pan_item_set_key(item, ta->key);
 901                 }
 902         else
 903                 {
 904                 item = nullptr;
 905                 }
 906         ta->column1 = g_list_append(ta->column1, item);
 907
 908         if (text)
 909                 {
 910                 item = pan_item_text_new(ta->pw, ta->x, ta->y, text,
 911                                          PAN_TEXT_ATTR_NONE, PAN_BORDER_NONE, PAN_POPUP_TEXT_COLOR);
 912                 pan_item_set_key(item, ta->key);
 913                 }
 914         else
 915                 {
 916                 item = nullptr;
 917                 }
 918         ta->column2 = g_list_append(ta->column2, item);
 919
 920         return item;
 921 }
 922
 923 void pan_text_alignment_calc(PanTextAlignment *ta, PanItem *box)
 924 {
 925         gint cw1;
 926         gint cw2;
 927         gint x;
 928         gint y;
 929         GList *work1;
 930         GList *work2;
 931
 932         cw1 = 0;
 933         cw2 = 0;
 934
 935         work1 = ta->column1;
 936         while (work1)
 937                 {
 938                 PanItem *p;
 939
 940                 p = static_cast<PanItem *>(work1->data);
 941                 work1 = work1->next;
 942
 943                 if (p && p->width > cw1) cw1 = p->width;
 944                 }
 945
 946         work2 = ta->column2;
 947         while (work2)
 948                 {
 949                 PanItem *p;
 950
 951                 p = static_cast<PanItem *>(work2->data);
 952                 work2 = work2->next;
 953
 954                 if (p && p->width > cw2) cw2 = p->width;
 955                 }
 956
 957         x = ta->x;
 958         y = ta->y;
 959         work1 = ta->column1;
 960         work2 = ta->column2;
 961         while (work1 && work2)
 962                 {
 963                 PanItem *p1;
 964                 PanItem *p2;
 965                 gint height = 0;
 966
 967                 p1 = static_cast<PanItem *>(work1->data);
 968                 p2 = static_cast<PanItem *>(work2->data);
 969                 work1 = work1->next;
 970                 work2 = work2->next;
 971
 972                 if (p1)
 973                         {
 974                         p1->x = x;
 975                         p1->y = y;
 976                         pan_item_size_by_item(box, p1, PREF_PAD_BORDER);
 977                         height = p1->height;
 978                         }
 979                 if (p2)
 980                         {
 981                         p2->x = x + cw1 + PREF_PAD_SPACE;
 982                         p2->y = y;
 983                         pan_item_size_by_item(box, p2, PREF_PAD_BORDER);
 984                         if (height < p2->height) height = p2->height;
 985                         }
 986
 987                 if (!p1 && !p2) height = PREF_PAD_GROUP;
 988
 989                 y += height;
 990                 }
 991 }
 992 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */