src/bar-exif.cc

   1 /*
   2  * Copyright (C) 2004 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: Vladimir Nadvornik
   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 "main.h"
  23 #include "bar-exif.h"
  24
  25 #include "bar.h"
  26 #include "dnd.h"
  27 #include "exif.h"
  28 #include "filedata.h"
  29 #include "layout.h"
  30 #include "metadata.h"
  31 #include "misc.h"
  32 #include "rcfile.h"
  33 #include "ui-menu.h"
  34 #include "ui-misc.h"
  35 #include "ui-utildlg.h"
  36
  37 #define MIN_HEIGHT 25
  38 /*
  39  *-------------------------------------------------------------------
  40  * EXIF widget
  41  *-------------------------------------------------------------------
  42  */
  43
  44 struct PaneExifData;
  45
  46 struct ExifEntry
  47 {
  48         GtkWidget *ebox;
  49         GtkWidget *box;
  50         GtkWidget *title_label;
  51         GtkWidget *value_widget;
  52
  53         gchar *key;
  54         gchar *title;
  55         gboolean if_set;
  56         gboolean auto_title;
  57         gboolean editable;
  58
  59         PaneExifData *ped;
  60 };
  61
  62
  63 struct PaneExifData
  64 {
  65         PaneData pane;
  66         GtkWidget *vbox;
  67         GtkWidget *widget;
  68         GtkSizeGroup *size_group;
  69
  70         gint min_height;
  71
  72         gboolean all_hidden;
  73         gboolean show_all;
  74
  75         FileData *fd;
  76 };
  77
  78 struct ConfDialogData
  79 {
  80         GtkWidget *widget; /* pane or entry, devidet by presenceof "pane_data" or "entry_data" */
  81
  82         /* dialog parts */
  83         GenericDialog *gd;
  84         GtkWidget *key_entry;
  85         GtkWidget *title_entry;
  86         gboolean if_set;
  87         gboolean editable;
  88 };
  89
  90 static void bar_pane_exif_entry_dnd_init(GtkWidget *entry);
  91 static void bar_pane_exif_entry_update_title(ExifEntry *ee);
  92 static void bar_pane_exif_update(PaneExifData *ped);
  93 static gboolean bar_pane_exif_menu_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data);
  94 static void bar_pane_exif_notify_cb(FileData *fd, NotifyType type, gpointer data);
  95 static gboolean bar_pane_exif_copy_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data);
  96
  97 static void bar_pane_exif_entry_changed(GtkEntry *, gpointer data)
  98 {
  99         auto ee = static_cast<ExifEntry *>(data);
 100         gchar *text;
 101         if (!ee->ped->fd) return;
 102
 103         text = text_widget_text_pull(ee->value_widget);
 104         metadata_write_string(ee->ped->fd, ee->key, text);
 105         g_free(text);
 106 }
 107
 108 static void bar_pane_exif_entry_destroy(GtkWidget *, gpointer data)
 109 {
 110         auto ee = static_cast<ExifEntry *>(data);
 111
 112         g_free(ee->key);
 113         g_free(ee->title);
 114         g_free(ee);
 115 }
 116
 117 static void bar_pane_exif_setup_entry_box(PaneExifData *ped, ExifEntry *ee)
 118 {
 119         gboolean horizontal = !ee->editable;
 120         gboolean editable = ee->editable;
 121
 122         if (ee->box) g_object_unref(ee->box);
 123
 124         ee->box = horizontal ? gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0) : gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 125         gq_gtk_container_add(GTK_WIDGET(ee->ebox), ee->box);
 126         gtk_widget_show(ee->box);
 127
 128         ee->title_label = gtk_label_new(nullptr);
 129         gtk_label_set_xalign(GTK_LABEL(ee->title_label), horizontal ? 1.0 : 0.0);
 130         gtk_label_set_yalign(GTK_LABEL(ee->title_label), 0.5);
 131         gtk_size_group_add_widget(ped->size_group, ee->title_label);
 132         gq_gtk_box_pack_start(GTK_BOX(ee->box), ee->title_label, FALSE, TRUE, 0);
 133         gtk_widget_show(ee->title_label);
 134
 135         if (editable)
 136                 {
 137                 ee->value_widget = gtk_entry_new();
 138                 g_signal_connect(G_OBJECT(ee->value_widget), "changed",
 139                          G_CALLBACK(bar_pane_exif_entry_changed), ee);
 140
 141                 }
 142         else
 143                 {
 144                 ee->value_widget = gtk_label_new(nullptr);
 145                 gtk_label_set_ellipsize(GTK_LABEL(ee->value_widget), PANGO_ELLIPSIZE_END);
 146                 gtk_label_set_xalign(GTK_LABEL(ee->value_widget), 0.0);
 147                 gtk_label_set_yalign(GTK_LABEL(ee->value_widget), 0.5);
 148                 }
 149
 150         gq_gtk_box_pack_start(GTK_BOX(ee->box), ee->value_widget, TRUE, TRUE, 1);
 151         gtk_widget_show(ee->value_widget);
 152 }
 153
 154 static GtkWidget *bar_pane_exif_add_entry(PaneExifData *ped, const gchar *key, const gchar *title, gboolean if_set, gboolean editable)
 155 {
 156         auto ee = g_new0(ExifEntry, 1);
 157
 158         ee->key = g_strdup(key);
 159         if (title && title[0])
 160                 {
 161                 ee->title = g_strdup(title);
 162                 }
 163         else
 164                 {
 165                 ee->title = exif_get_description_by_key(key);
 166                 ee->auto_title = TRUE;
 167                 }
 168
 169         ee->if_set = if_set;
 170         ee->editable = editable;
 171
 172         ee->ped = ped;
 173
 174         ee->ebox = gtk_event_box_new();
 175         g_object_set_data(G_OBJECT(ee->ebox), "entry_data", ee);
 176         g_signal_connect_after(G_OBJECT(ee->ebox), "destroy",
 177                                G_CALLBACK(bar_pane_exif_entry_destroy), ee);
 178
 179         gq_gtk_box_pack_start(GTK_BOX(ped->vbox), ee->ebox, FALSE, FALSE, 0);
 180
 181         bar_pane_exif_entry_dnd_init(ee->ebox);
 182         g_signal_connect(ee->ebox, "button_release_event", G_CALLBACK(bar_pane_exif_menu_cb), ped);
 183         g_signal_connect(ee->ebox, "button_press_event", G_CALLBACK(bar_pane_exif_copy_cb), ped);
 184
 185         bar_pane_exif_setup_entry_box(ped, ee);
 186
 187         bar_pane_exif_entry_update_title(ee);
 188         bar_pane_exif_update(ped);
 189
 190         return ee->ebox;
 191 }
 192
 193 static void bar_pane_exif_reparent_entry(GtkWidget *entry, GtkWidget *pane)
 194 {
 195         auto ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 196         PaneExifData *old_ped;
 197         auto ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(entry), "entry_data"));
 198
 199         if (!ped || !ee) return;
 200
 201         old_ped = ee->ped;
 202
 203         g_object_ref(entry);
 204
 205         gtk_size_group_remove_widget(old_ped->size_group, ee->title_label);
 206         gtk_container_remove(GTK_CONTAINER(old_ped->vbox), entry);
 207
 208         ee->ped = ped;
 209         gtk_size_group_add_widget(ped->size_group, ee->title_label);
 210         gq_gtk_box_pack_start(GTK_BOX(ped->vbox), entry, FALSE, FALSE, 0);
 211 }
 212
 213 static void bar_pane_exif_entry_update_title(ExifEntry *ee)
 214 {
 215         gchar *markup;
 216
 217         markup = g_markup_printf_escaped("<span size='small'>%s:</span>", (ee->title) ? ee->title : _("<empty label, fixme>"));
 218         gtk_label_set_markup(GTK_LABEL(ee->title_label), markup);
 219         g_free(markup);
 220 }
 221
 222 static void bar_pane_exif_update_entry(PaneExifData *ped, GtkWidget *entry, gboolean update_title)
 223 {
 224         gchar *text;
 225         auto ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(entry), "entry_data"));
 226         gshort rating;
 227
 228         if (!ee) return;
 229         if (g_strcmp0(ee->key, "Xmp.xmp.Rating") == 0)
 230                 {
 231                 rating = metadata_read_int(ee->ped->fd, ee->key, 0);
 232                 text = g_strdup_printf("%d", rating);
 233                 }
 234         else
 235                 {
 236                 text = metadata_read_string(ped->fd, ee->key, ee->editable ? METADATA_PLAIN : METADATA_FORMATTED);
 237                 }
 238
 239         if (!ped->show_all && ee->if_set && !ee->editable && (!text || !*text))
 240                 {
 241                 gtk_label_set_text(GTK_LABEL(ee->value_widget), nullptr);
 242                 gtk_widget_hide(entry);
 243                 }
 244         else
 245                 {
 246                 if (ee->editable)
 247                         {
 248                         g_signal_handlers_block_by_func(ee->value_widget, (gpointer *)bar_pane_exif_entry_changed, ee);
 249                         gq_gtk_entry_set_text(GTK_ENTRY(ee->value_widget), text ? text : "");
 250                         g_signal_handlers_unblock_by_func(ee->value_widget, (gpointer)bar_pane_exif_entry_changed, ee);
 251                         gtk_widget_set_tooltip_text(ee->box, nullptr);
 252                         }
 253                 else
 254                         {
 255                         gtk_label_set_text(GTK_LABEL(ee->value_widget), text);
 256                         gtk_widget_set_tooltip_text(ee->box, text);
 257                         }
 258                 gtk_widget_show(entry);
 259                 ped->all_hidden = FALSE;
 260                 }
 261
 262         g_free(text);
 263
 264         if (update_title) bar_pane_exif_entry_update_title(ee);
 265 }
 266
 267 static void bar_pane_exif_update(PaneExifData *ped)
 268 {
 269         GList *list, *work;
 270
 271         ped->all_hidden = TRUE;
 272
 273         list = gtk_container_get_children(GTK_CONTAINER(ped->vbox));
 274         work = list;
 275         while (work)
 276                 {
 277                 auto entry = static_cast<GtkWidget *>(work->data);
 278                 work = work->next;
 279
 280                 bar_pane_exif_update_entry(ped, entry, FALSE);
 281                 }
 282         g_list_free(list);
 283
 284         gtk_widget_set_sensitive(ped->pane.title, !ped->all_hidden);
 285 }
 286
 287 static void bar_pane_exif_set_fd(GtkWidget *widget, FileData *fd)
 288 {
 289         PaneExifData *ped;
 290
 291         ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(widget), "pane_data"));
 292         if (!ped) return;
 293
 294         file_data_unref(ped->fd);
 295         ped->fd = file_data_ref(fd);
 296
 297         bar_pane_exif_update(ped);
 298 }
 299
 300 static gint bar_pane_exif_event(GtkWidget *bar, GdkEvent *event)
 301 {
 302         PaneExifData *ped;
 303         gboolean ret = FALSE;
 304         GList *list, *work;
 305
 306         ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(bar), "pane_data"));
 307         if (!ped) return FALSE;
 308
 309         list = gtk_container_get_children(GTK_CONTAINER(ped->vbox));
 310         work = list;
 311         while (!ret && work)
 312                 {
 313                 auto entry = static_cast<GtkWidget *>(work->data);
 314                 auto ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(entry), "entry_data"));
 315                 work = work->next;
 316
 317                 if (ee->editable && gtk_widget_has_focus(ee->value_widget)) ret = gtk_widget_event(ee->value_widget, event);
 318                 }
 319         g_list_free(list);
 320         return ret;
 321 }
 322
 323 static void bar_pane_exif_notify_cb(FileData *fd, NotifyType type, gpointer data)
 324 {
 325         auto ped = static_cast<PaneExifData *>(data);
 326         if ((type & (NOTIFY_REREAD | NOTIFY_CHANGE | NOTIFY_METADATA)) && fd == ped->fd)
 327                 {
 328                 DEBUG_1("Notify pane_exif: %s %04x", fd->path, type);
 329                 bar_pane_exif_update(ped);
 330                 }
 331 }
 332
 333
 334 /*
 335  *-------------------------------------------------------------------
 336  * dnd
 337  *-------------------------------------------------------------------
 338  */
 339
 340 static GtkTargetEntry bar_pane_exif_drag_types[] = {
 341         { const_cast<gchar *>(TARGET_APP_EXIF_ENTRY_STRING), GTK_TARGET_SAME_APP, TARGET_APP_EXIF_ENTRY },
 342         { const_cast<gchar *>("text/plain"), 0, TARGET_TEXT_PLAIN }
 343 };
 344 static gint n_exif_entry_drag_types = 2;
 345
 346 static GtkTargetEntry bar_pane_exif_drop_types[] = {
 347         { const_cast<gchar *>(TARGET_APP_EXIF_ENTRY_STRING), GTK_TARGET_SAME_APP, TARGET_APP_EXIF_ENTRY },
 348         { const_cast<gchar *>("text/plain"), 0, TARGET_TEXT_PLAIN }
 349 };
 350 static gint n_exif_entry_drop_types = 2;
 351
 352
 353 static void bar_pane_exif_entry_dnd_get(GtkWidget *entry, GdkDragContext *,
 354                                      GtkSelectionData *selection_data, guint info,
 355                                      guint, gpointer)
 356 {
 357         auto ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(entry), "entry_data"));
 358
 359         switch (info)
 360                 {
 361                 case TARGET_APP_EXIF_ENTRY:
 362                         gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
 363                                                8, reinterpret_cast<const guchar *>(&entry), sizeof(entry));
 364                         break;
 365
 366                 case TARGET_TEXT_PLAIN:
 367                 default:
 368                         gtk_selection_data_set_text(selection_data, ee->key, -1);
 369                         break;
 370                 }
 371
 372 }
 373
 374 static void bar_pane_exif_dnd_receive(GtkWidget *pane, GdkDragContext *,
 375                                           gint x, gint y,
 376                                           GtkSelectionData *selection_data, guint info,
 377                                           guint, gpointer)
 378 {
 379         PaneExifData *ped;
 380         GList *work, *list;
 381         gint pos;
 382         GtkWidget *new_entry = nullptr;
 383
 384         ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 385         if (!ped) return;
 386
 387         switch (info)
 388                 {
 389                 case TARGET_APP_EXIF_ENTRY:
 390                         new_entry = GTK_WIDGET(*(gpointer *)gtk_selection_data_get_data(selection_data));
 391
 392                         if (gtk_widget_get_parent(new_entry) && gtk_widget_get_parent(new_entry) != ped->vbox) bar_pane_exif_reparent_entry(new_entry, pane);
 393
 394                         break;
 395                 default:
 396                         /** @FIXME this needs a check for valid exif keys */
 397                         new_entry = bar_pane_exif_add_entry(ped, reinterpret_cast<const gchar *>(gtk_selection_data_get_data(selection_data)), nullptr, TRUE, FALSE);
 398                         break;
 399                 }
 400
 401         list = gtk_container_get_children(GTK_CONTAINER(ped->vbox));
 402         work = list;
 403         pos = 0;
 404         while (work)
 405                 {
 406                 gint nx, ny;
 407                 auto entry = static_cast<GtkWidget *>(work->data);
 408                 GtkAllocation allocation;
 409                 work = work->next;
 410
 411                 if (entry == new_entry) continue;
 412
 413                 gtk_widget_get_allocation(entry, &allocation);
 414
 415                 if (gtk_widget_is_drawable(entry) &&
 416                     gtk_widget_translate_coordinates(pane, entry, x, y, &nx, &ny) &&
 417                     ny < allocation.height / 2) break;
 418                 pos++;
 419                 }
 420         g_list_free(list);
 421
 422         gtk_box_reorder_child(GTK_BOX(ped->vbox), new_entry, pos);
 423 }
 424
 425 static void bar_pane_exif_entry_dnd_begin(GtkWidget *entry, GdkDragContext *context, gpointer)
 426 {
 427         auto ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(entry), "entry_data"));
 428
 429         if (!ee) return;
 430         dnd_set_drag_label(entry, context, ee->key);
 431 }
 432
 433 static void bar_pane_exif_entry_dnd_end(GtkWidget *, GdkDragContext *, gpointer)
 434 {
 435 }
 436
 437 static void bar_pane_exif_entry_dnd_init(GtkWidget *entry)
 438 {
 439         auto ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(entry), "entry_data"));
 440
 441         gtk_drag_source_set(entry, static_cast<GdkModifierType>(GDK_BUTTON1_MASK | GDK_BUTTON2_MASK),
 442                             bar_pane_exif_drag_types, n_exif_entry_drag_types,
 443                             static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
 444         g_signal_connect(G_OBJECT(entry), "drag_data_get",
 445                          G_CALLBACK(bar_pane_exif_entry_dnd_get), ee);
 446
 447         g_signal_connect(G_OBJECT(entry), "drag_begin",
 448                          G_CALLBACK(bar_pane_exif_entry_dnd_begin), ee);
 449         g_signal_connect(G_OBJECT(entry), "drag_end",
 450                          G_CALLBACK(bar_pane_exif_entry_dnd_end), ee);
 451 }
 452
 453 static void bar_pane_exif_dnd_init(GtkWidget *pane)
 454 {
 455         gtk_drag_dest_set(pane,
 456                           static_cast<GtkDestDefaults>(GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_HIGHLIGHT | GTK_DEST_DEFAULT_DROP),
 457                           bar_pane_exif_drop_types, n_exif_entry_drop_types,
 458                           static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE));
 459         g_signal_connect(G_OBJECT(pane), "drag_data_received",
 460                          G_CALLBACK(bar_pane_exif_dnd_receive), NULL);
 461 }
 462
 463 static void bar_pane_exif_edit_close_cb(GtkWidget *, gpointer data)
 464 {
 465         auto gd = static_cast<GenericDialog *>(data);
 466         generic_dialog_close(gd);
 467 }
 468
 469 static void bar_pane_exif_edit_destroy_cb(GtkWidget *, gpointer data)
 470 {
 471         auto cdd = static_cast<ConfDialogData *>(data);
 472         g_signal_handlers_disconnect_by_func(cdd->widget, (gpointer)(bar_pane_exif_edit_close_cb), cdd->gd);
 473         g_free(cdd);
 474 }
 475
 476 static void bar_pane_exif_edit_cancel_cb(GenericDialog *, gpointer)
 477 {
 478 }
 479
 480 static void bar_pane_exif_edit_ok_cb(GenericDialog *, gpointer data)
 481 {
 482         auto cdd = static_cast<ConfDialogData *>(data);
 483
 484         /* either one or the other */
 485         auto ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(cdd->widget), "pane_data"));
 486         auto ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(cdd->widget), "entry_data"));
 487
 488         if (ped)
 489                 {
 490                 bar_pane_exif_add_entry(ped,
 491                                         gq_gtk_entry_get_text(GTK_ENTRY(cdd->key_entry)),
 492                                         gq_gtk_entry_get_text(GTK_ENTRY(cdd->title_entry)),
 493                                         cdd->if_set, cdd->editable);
 494                 }
 495
 496         if (ee)
 497                 {
 498                 const gchar *title;
 499                 GtkWidget *pane = gtk_widget_get_parent(cdd->widget);
 500
 501                 while (pane)
 502                         {
 503                         ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 504                         if (ped) break;
 505                         pane = gtk_widget_get_parent(pane);
 506                         }
 507
 508                 if (!pane) return;
 509
 510                 g_free(ee->key);
 511                 ee->key = g_strdup(gq_gtk_entry_get_text(GTK_ENTRY(cdd->key_entry)));
 512                 title = gq_gtk_entry_get_text(GTK_ENTRY(cdd->title_entry));
 513                 if (!title || strlen(title) == 0)
 514                         {
 515                         g_free(ee->title);
 516                         ee->title = exif_get_description_by_key(ee->key);
 517                         ee->auto_title = TRUE;
 518                         }
 519                 else if (!ee->title || strcmp(ee->title, title) != 0)
 520                         {
 521                         g_free(ee->title);
 522                         ee->title = g_strdup(title);
 523                         ee->auto_title = FALSE;
 524                         }
 525
 526                 ee->if_set = cdd->if_set;
 527                 ee->editable = cdd->editable;
 528
 529                 bar_pane_exif_setup_entry_box(ped, ee);
 530
 531                 bar_pane_exif_entry_update_title(ee);
 532                 bar_pane_exif_update(ped);
 533                 }
 534 }
 535
 536 static void bar_pane_exif_conf_dialog(GtkWidget *widget)
 537 {
 538         ConfDialogData *cdd;
 539         GenericDialog *gd;
 540         GtkWidget *table;
 541
 542         /* the widget can be either ExifEntry (for editing) or Pane (for new entry)
 543            we can decide it by the attached data */
 544         auto ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(widget), "entry_data"));
 545
 546         cdd = g_new0(ConfDialogData, 1);
 547
 548         cdd->widget = widget;
 549
 550
 551         cdd->if_set = ee ? ee->if_set : TRUE;
 552         cdd->editable = ee ? ee->editable : FALSE;
 553
 554         cdd->gd = gd = generic_dialog_new(ee ? _("Configure entry") : _("Add entry"), "exif_entry_edit",
 555                                 widget, TRUE,
 556                                 bar_pane_exif_edit_cancel_cb, cdd);
 557         g_signal_connect(G_OBJECT(gd->dialog), "destroy",
 558                          G_CALLBACK(bar_pane_exif_edit_destroy_cb), cdd);
 559
 560         /* in case the entry is deleted during editing */
 561         g_signal_connect(G_OBJECT(widget), "destroy",
 562                          G_CALLBACK(bar_pane_exif_edit_close_cb), gd);
 563
 564         generic_dialog_add_message(gd, nullptr, ee ? _("Configure entry") : _("Add entry"), nullptr, FALSE);
 565
 566         generic_dialog_add_button(gd, GQ_ICON_OK, "OK",
 567                                   bar_pane_exif_edit_ok_cb, TRUE);
 568
 569         table = pref_table_new(gd->vbox, 3, 2, FALSE, TRUE);
 570         pref_table_label(table, 0, 0, _("Key:"), GTK_ALIGN_END);
 571
 572         cdd->key_entry = gtk_entry_new();
 573         gtk_widget_set_size_request(cdd->key_entry, 300, -1);
 574         if (ee) gq_gtk_entry_set_text(GTK_ENTRY(cdd->key_entry), ee->key);
 575         gq_gtk_grid_attach_default(GTK_GRID(table), cdd->key_entry, 1, 2, 0, 1);
 576         generic_dialog_attach_default(gd, cdd->key_entry);
 577         gtk_widget_show(cdd->key_entry);
 578
 579         pref_table_label(table, 0, 1, _("Title:"), GTK_ALIGN_END);
 580
 581         cdd->title_entry = gtk_entry_new();
 582         gtk_widget_set_size_request(cdd->title_entry, 300, -1);
 583         if (ee) gq_gtk_entry_set_text(GTK_ENTRY(cdd->title_entry), ee->title);
 584         gq_gtk_grid_attach_default(GTK_GRID(table), cdd->title_entry, 1, 2, 1, 2);
 585         generic_dialog_attach_default(gd, cdd->title_entry);
 586         gtk_widget_show(cdd->title_entry);
 587
 588         pref_checkbox_new_int(gd->vbox, _("Show only if set"), cdd->if_set, &cdd->if_set);
 589         pref_checkbox_new_int(gd->vbox, _("Editable (supported only for XMP)"), cdd->editable, &cdd->editable);
 590
 591         gtk_widget_show(gd->dialog);
 592 }
 593
 594 static void bar_pane_exif_conf_dialog_cb(GtkWidget *, gpointer data)
 595 {
 596         auto widget = static_cast<GtkWidget *>(data);
 597         bar_pane_exif_conf_dialog(widget);
 598 }
 599
 600 static void bar_pane_exif_delete_entry_cb(GtkWidget *, gpointer data)
 601 {
 602         auto entry = static_cast<GtkWidget *>(data);
 603         g_object_unref(entry);
 604 }
 605
 606 #ifdef HAVE_GTK4
 607 static void bar_pane_exif_copy_entry_cb(GtkWidget *, gpointer data)
 608 {
 609 /* @FIXME GTK4 stub */
 610 }
 611 #else
 612 static void bar_pane_exif_copy_entry_cb(GtkWidget *, gpointer data)
 613 {
 614         auto widget = static_cast<GtkWidget *>(data);
 615         GtkClipboard *clipboard;
 616         const gchar *value;
 617         ExifEntry *ee;
 618
 619         ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(widget), "entry_data"));
 620         value = gtk_label_get_text(GTK_LABEL(ee->value_widget));
 621         clipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
 622         gtk_clipboard_set_text(clipboard, value, -1);
 623 }
 624 #endif
 625
 626 static void bar_pane_exif_toggle_show_all_cb(GtkWidget *, gpointer data)
 627 {
 628         auto ped = static_cast<PaneExifData *>(data);
 629         ped->show_all = !ped->show_all;
 630         bar_pane_exif_update(ped);
 631 }
 632
 633 static void bar_pane_exif_menu_popup(GtkWidget *widget, PaneExifData *ped)
 634 {
 635         GtkWidget *menu;
 636         /* the widget can be either ExifEntry (for editing) or Pane (for new entry)
 637            we can decide it by the attached data */
 638         auto ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(widget), "entry_data"));
 639
 640         menu = popup_menu_short_lived();
 641
 642         if (ee)
 643                 {
 644                 /* for the entry */
 645                 gchar *conf = g_strdup_printf(_("Configure \"%s\""), ee->title);
 646                 gchar *del = g_strdup_printf(_("Remove \"%s\""), ee->title);
 647                 gchar *copy = g_strdup_printf(_("Copy \"%s\""), ee->title);
 648
 649                 menu_item_add_icon(menu, conf, GQ_ICON_EDIT, G_CALLBACK(bar_pane_exif_conf_dialog_cb), widget);
 650                 menu_item_add_icon(menu, del, GQ_ICON_DELETE, G_CALLBACK(bar_pane_exif_delete_entry_cb), widget);
 651                 menu_item_add_icon(menu, copy, GQ_ICON_COPY, G_CALLBACK(bar_pane_exif_copy_entry_cb), widget);
 652                 menu_item_add_divider(menu);
 653
 654                 g_free(conf);
 655                 g_free(del);
 656                 }
 657
 658         /* for the pane */
 659         menu_item_add_icon(menu, _("Add entry"), GQ_ICON_ADD, G_CALLBACK(bar_pane_exif_conf_dialog_cb), ped->widget);
 660         menu_item_add_check(menu, _("Show hidden entries"), ped->show_all, G_CALLBACK(bar_pane_exif_toggle_show_all_cb), ped);
 661
 662         gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
 663 }
 664
 665 static gboolean bar_pane_exif_menu_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
 666 {
 667         auto ped = static_cast<PaneExifData *>(data);
 668         if (bevent->button == MOUSE_BUTTON_RIGHT)
 669                 {
 670                 bar_pane_exif_menu_popup(widget, ped);
 671                 return TRUE;
 672                 }
 673         return FALSE;
 674 }
 675
 676 #ifdef HAVE_GTK4
 677 static gboolean bar_pane_exif_copy_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer)
 678 {
 679 /* @FIXME GTK4 stub */
 680         return FALSE;
 681 }
 682 #else
 683 static gboolean bar_pane_exif_copy_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer)
 684 {
 685         const gchar *value;
 686         GtkClipboard *clipboard;
 687         ExifEntry *ee;
 688
 689         if (bevent->button == MOUSE_BUTTON_LEFT)
 690                 {
 691                 ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(widget), "entry_data"));
 692                 value = gtk_label_get_text(GTK_LABEL(ee->value_widget));
 693                 clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 694                 gtk_clipboard_set_text(clipboard, value, -1);
 695
 696                 return TRUE;
 697                 }
 698
 699         return FALSE;
 700 }
 701 #endif
 702
 703 static void bar_pane_exif_entry_write_config(GtkWidget *entry, GString *outstr, gint indent)
 704 {
 705         auto ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(entry), "entry_data"));
 706         if (!ee) return;
 707
 708         WRITE_NL(); WRITE_STRING("<entry ");
 709         WRITE_CHAR(*ee, key);
 710         if (!ee->auto_title) WRITE_CHAR(*ee, title);
 711         WRITE_BOOL(*ee, if_set);
 712         WRITE_BOOL(*ee, editable);
 713         WRITE_STRING("/>");
 714 }
 715
 716 static void bar_pane_exif_write_config(GtkWidget *pane, GString *outstr, gint indent)
 717 {
 718         PaneExifData *ped;
 719         GList *work, *list;
 720
 721         ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 722         if (!ped) return;
 723
 724         WRITE_NL(); WRITE_STRING("<pane_exif ");
 725         write_char_option(outstr, indent, "id", ped->pane.id);
 726         write_char_option(outstr, indent, "title", gtk_label_get_text(GTK_LABEL(ped->pane.title)));
 727         WRITE_BOOL(ped->pane, expanded);
 728         WRITE_BOOL(*ped, show_all);
 729         WRITE_STRING(">");
 730         indent++;
 731
 732         list = gtk_container_get_children(GTK_CONTAINER(ped->vbox));
 733         work = list;
 734         while (work)
 735                 {
 736                 auto entry = static_cast<GtkWidget *>(work->data);
 737                 work = work->next;
 738
 739                 bar_pane_exif_entry_write_config(entry, outstr, indent);
 740                 }
 741         g_list_free(list);
 742         indent--;
 743         WRITE_NL(); WRITE_STRING("</pane_exif>");
 744 }
 745
 746 GList * bar_pane_exif_list()
 747 {
 748         PaneExifData *ped;
 749         GList *list;
 750         GList *work_windows;
 751         GList *exif_list = nullptr;
 752         LayoutWindow *lw;
 753         GtkWidget *bar;
 754         GtkWidget *pane;
 755         GtkWidget *entry;
 756         ExifEntry *ee;
 757
 758         work_windows = layout_window_list;
 759         lw = static_cast<LayoutWindow *>(work_windows->data);
 760         bar = lw->bar;
 761         pane = bar_find_pane_by_id(bar, PANE_EXIF, "exif");
 762         if (pane)
 763                 {
 764                 ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 765
 766                 list = gtk_container_get_children(GTK_CONTAINER(ped->vbox));
 767                 GList *work = list;
 768                 while (work)
 769                         {
 770                         entry = static_cast<GtkWidget *>(work->data);
 771                         work = work->next;
 772                         ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(entry), "entry_data"));
 773                         exif_list = g_list_append(exif_list, g_strdup(ee->title));
 774                         exif_list = g_list_append(exif_list, g_strdup(ee->key));
 775                         }
 776
 777                 g_list_free(list);
 778                 }
 779         return exif_list;
 780 }
 781
 782 #pragma GCC diagnostic push
 783 #pragma GCC diagnostic ignored "-Wunused-function"
 784 void bar_pane_exif_close_unused(GtkWidget *widget)
 785 {
 786         PaneExifData *ped;
 787
 788         ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(widget), "pane_data"));
 789         if (!ped) return;
 790
 791         g_object_unref(ped->vbox);
 792 }
 793 #pragma GCC diagnostic pop
 794
 795 static void bar_pane_exif_destroy(GtkWidget *, gpointer data)
 796 {
 797         auto ped = static_cast<PaneExifData *>(data);
 798
 799         file_data_unregister_notify_func(bar_pane_exif_notify_cb, ped);
 800         g_object_unref(ped->size_group);
 801         file_data_unref(ped->fd);
 802         g_free(ped->pane.id);
 803         g_free(ped);
 804 }
 805
 806 #pragma GCC diagnostic push
 807 #pragma GCC diagnostic ignored "-Wunused-function"
 808 static void bar_pane_exif_size_request_unused(GtkWidget *, GtkRequisition *requisition, gpointer data)
 809 {
 810         PaneExifData *ped = static_cast<PaneExifData *>(data);
 811         if (requisition->height < ped->min_height)
 812                 {
 813                 requisition->height = ped->min_height;
 814                 }
 815 }
 816 #pragma GCC diagnostic pop
 817
 818 static void bar_pane_exif_size_allocate(GtkWidget *, GtkAllocation *alloc, gpointer data)
 819 {
 820         auto ped = static_cast<PaneExifData *>(data);
 821         ped->min_height = alloc->height;
 822         gtk_widget_set_size_request(ped->widget, -1, ped->min_height);
 823 }
 824
 825 static GtkWidget *bar_pane_exif_new(const gchar *id, const gchar *title, gboolean expanded, gboolean show_all)
 826 {
 827         PaneExifData *ped;
 828
 829         ped = g_new0(PaneExifData, 1);
 830
 831         ped->pane.pane_set_fd = bar_pane_exif_set_fd;
 832         ped->pane.pane_write_config = bar_pane_exif_write_config;
 833         ped->pane.pane_event = bar_pane_exif_event;
 834         ped->pane.title = bar_pane_expander_title(title);
 835         ped->pane.id = g_strdup(id);
 836         ped->pane.expanded = expanded;
 837         ped->pane.type = PANE_EXIF;
 838         ped->show_all = show_all;
 839
 840         ped->size_group = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
 841         ped->widget = gtk_event_box_new();
 842         ped->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
 843         gq_gtk_container_add(GTK_WIDGET(ped->widget), ped->vbox);
 844         gtk_widget_show(ped->vbox);
 845
 846         ped->min_height = MIN_HEIGHT;
 847         g_object_set_data(G_OBJECT(ped->widget), "pane_data", ped);
 848         g_signal_connect_after(G_OBJECT(ped->widget), "destroy",
 849                                G_CALLBACK(bar_pane_exif_destroy), ped);
 850         gtk_widget_set_size_request(ped->widget, -1, ped->min_height);
 851         g_signal_connect(G_OBJECT(ped->widget), "size-allocate",
 852                          G_CALLBACK(bar_pane_exif_size_allocate), ped);
 853
 854         bar_pane_exif_dnd_init(ped->widget);
 855         g_signal_connect(ped->widget, "button_release_event", G_CALLBACK(bar_pane_exif_menu_cb), ped);
 856
 857         file_data_register_notify_func(bar_pane_exif_notify_cb, ped, NOTIFY_PRIORITY_LOW);
 858
 859         gtk_widget_show(ped->widget);
 860
 861         return ped->widget;
 862 }
 863
 864 GtkWidget *bar_pane_exif_new_from_config(const gchar **attribute_names, const gchar **attribute_values)
 865 {
 866         gchar *title = nullptr;
 867         gchar *id = g_strdup("exif");
 868         gboolean expanded = TRUE;
 869         gboolean show_all = FALSE;
 870         GtkWidget *ret;
 871
 872         while (*attribute_names)
 873                 {
 874                 const gchar *option = *attribute_names++;
 875                 const gchar *value = *attribute_values++;
 876
 877                 if (READ_CHAR_FULL("id", id)) continue;
 878                 if (READ_CHAR_FULL("title", title)) continue;
 879                 if (READ_BOOL_FULL("expanded", expanded)) continue;
 880                 if (READ_BOOL_FULL("show_all", show_all)) continue;
 881
 882                 log_printf("unknown attribute %s = %s\n", option, value);
 883                 }
 884
 885         bar_pane_translate_title(PANE_EXIF, id, &title);
 886         ret = bar_pane_exif_new(id, title, expanded, show_all);
 887         g_free(title);
 888         g_free(id);
 889         return ret;
 890 }
 891
 892 void bar_pane_exif_update_from_config(GtkWidget *pane, const gchar **attribute_names, const gchar **attribute_values)
 893 {
 894         PaneExifData *ped;
 895         gchar *title = nullptr;
 896
 897         ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 898         if (!ped) return;
 899
 900         while (*attribute_names)
 901                 {
 902                 const gchar *option = *attribute_names++;
 903                 const gchar *value = *attribute_values++;
 904
 905                 if (READ_CHAR_FULL("title", title)) continue;
 906                 if (READ_BOOL_FULL("expanded", ped->pane.expanded)) continue;
 907                 if (READ_BOOL_FULL("show_all", ped->show_all)) continue;
 908                 if (READ_CHAR_FULL("id", ped->pane.id)) continue;
 909
 910
 911                 log_printf("unknown attribute %s = %s\n", option, value);
 912                 }
 913
 914         if (title)
 915                 {
 916                 bar_pane_translate_title(PANE_EXIF, ped->pane.id, &title);
 917                 gtk_label_set_text(GTK_LABEL(ped->pane.title), title);
 918                 g_free(title);
 919                 }
 920
 921         bar_update_expander(pane);
 922         bar_pane_exif_update(ped);
 923 }
 924
 925
 926 void bar_pane_exif_entry_add_from_config(GtkWidget *pane, const gchar **attribute_names, const gchar **attribute_values)
 927 {
 928         PaneExifData *ped;
 929         gchar *key = nullptr;
 930         gchar *title = nullptr;
 931         gboolean if_set = TRUE;
 932         gboolean editable = FALSE;
 933
 934         ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 935         if (!ped) return;
 936
 937         while (*attribute_names)
 938                 {
 939                 const gchar *option = *attribute_names++;
 940                 const gchar *value = *attribute_values++;
 941
 942                 if (READ_CHAR_FULL("key", key)) continue;
 943                 if (READ_CHAR_FULL("title", title)) continue;
 944                 if (READ_BOOL_FULL("if_set", if_set)) continue;
 945                 if (READ_BOOL_FULL("editable", editable)) continue;
 946
 947                 log_printf("unknown attribute %s = %s\n", option, value);
 948                 }
 949
 950         if (key && key[0]) bar_pane_exif_add_entry(ped, key, title, if_set, editable);
 951 }
 952
 953
 954 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */