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 "bar-exif.h"
  23
  24 #include <cstring>
  25
  26 #include <gdk/gdk.h>
  27 #include <glib-object.h>
  28 #include <pango/pango.h>
  29
  30 #include <config.h>
  31
  32 #include "bar.h"
  33 #include "compat.h"
  34 #include "debug.h"
  35 #include "dnd.h"
  36 #include "exif.h"
  37 #include "filedata.h"
  38 #include "intl.h"
  39 #include "layout.h"
  40 #include "main-defines.h"
  41 #include "metadata.h"
  42 #include "misc.h"
  43 #include "rcfile.h"
  44 #include "typedefs.h"
  45 #include "ui-menu.h"
  46 #include "ui-misc.h"
  47 #include "ui-utildlg.h"
  48
  49 namespace
  50 {
  51
  52 constexpr gint MIN_HEIGHT = 25;
  53
  54 /*
  55  *-------------------------------------------------------------------
  56  * EXIF widget
  57  *-------------------------------------------------------------------
  58  */
  59
  60 struct PaneExifData;
  61
  62 struct ExifEntry
  63 {
  64         GtkWidget *ebox;
  65         GtkWidget *box;
  66         GtkWidget *title_label;
  67         GtkWidget *value_widget;
  68
  69         gchar *key;
  70         gchar *title;
  71         gboolean if_set;
  72         gboolean auto_title;
  73         gboolean editable;
  74
  75         PaneExifData *ped;
  76 };
  77
  78
  79 struct PaneExifData
  80 {
  81         PaneData pane;
  82         GtkWidget *vbox;
  83         GtkWidget *widget;
  84         GtkSizeGroup *size_group;
  85
  86         gint min_height;
  87
  88         gboolean all_hidden;
  89         gboolean show_all;
  90
  91         FileData *fd;
  92 };
  93
  94 struct ConfDialogData
  95 {
  96         GtkWidget *widget; /* pane or entry, devidet by presenceof "pane_data" or "entry_data" */
  97
  98         /* dialog parts */
  99         GenericDialog *gd;
 100         GtkWidget *key_entry;
 101         GtkWidget *title_entry;
 102         gboolean if_set;
 103         gboolean editable;
 104 };
 105
 106 void bar_pane_exif_entry_dnd_init(GtkWidget *entry);
 107 void bar_pane_exif_entry_update_title(ExifEntry *ee);
 108 void bar_pane_exif_update(PaneExifData *ped);
 109 gboolean bar_pane_exif_menu_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data);
 110 void bar_pane_exif_notify_cb(FileData *fd, NotifyType type, gpointer data);
 111 gboolean bar_pane_exif_copy_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data);
 112
 113 void bar_pane_exif_entry_changed(GtkEntry *, gpointer data)
 114 {
 115         auto ee = static_cast<ExifEntry *>(data);
 116         gchar *text;
 117         if (!ee->ped->fd) return;
 118
 119         text = text_widget_text_pull(ee->value_widget);
 120         metadata_write_string(ee->ped->fd, ee->key, text);
 121         g_free(text);
 122 }
 123
 124 void bar_pane_exif_entry_destroy(GtkWidget *, gpointer data)
 125 {
 126         auto ee = static_cast<ExifEntry *>(data);
 127
 128         g_free(ee->key);
 129         g_free(ee->title);
 130         g_free(ee);
 131 }
 132
 133 void bar_pane_exif_setup_entry_box(PaneExifData *ped, ExifEntry *ee)
 134 {
 135         gboolean horizontal = !ee->editable;
 136         gboolean editable = ee->editable;
 137
 138         if (ee->box)
 139                 {
 140                 gtk_container_remove(GTK_CONTAINER(gtk_widget_get_parent(ee->box)), ee->box);
 141                 }
 142
 143         ee->box = horizontal ? gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0) : gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 144         gq_gtk_container_add(GTK_WIDGET(ee->ebox), ee->box);
 145         gtk_widget_show(ee->box);
 146
 147         ee->title_label = gtk_label_new(nullptr);
 148         gtk_label_set_xalign(GTK_LABEL(ee->title_label), horizontal ? 1.0 : 0.0);
 149         gtk_label_set_yalign(GTK_LABEL(ee->title_label), 0.5);
 150         gtk_size_group_add_widget(ped->size_group, ee->title_label);
 151         gq_gtk_box_pack_start(GTK_BOX(ee->box), ee->title_label, FALSE, TRUE, 0);
 152         gtk_widget_show(ee->title_label);
 153
 154         if (editable)
 155                 {
 156                 ee->value_widget = gtk_entry_new();
 157                 g_signal_connect(G_OBJECT(ee->value_widget), "changed",
 158                          G_CALLBACK(bar_pane_exif_entry_changed), ee);
 159
 160                 }
 161         else
 162                 {
 163                 ee->value_widget = gtk_label_new(nullptr);
 164                 gtk_label_set_ellipsize(GTK_LABEL(ee->value_widget), PANGO_ELLIPSIZE_END);
 165                 gtk_label_set_xalign(GTK_LABEL(ee->value_widget), 0.0);
 166                 gtk_label_set_yalign(GTK_LABEL(ee->value_widget), 0.5);
 167                 }
 168
 169         gq_gtk_box_pack_start(GTK_BOX(ee->box), ee->value_widget, TRUE, TRUE, 1);
 170         gtk_widget_show(ee->value_widget);
 171 }
 172
 173 GtkWidget *bar_pane_exif_add_entry(PaneExifData *ped, const gchar *key, const gchar *title, gboolean if_set, gboolean editable)
 174 {
 175         auto ee = g_new0(ExifEntry, 1);
 176
 177         ee->key = g_strdup(key);
 178         if (title && title[0])
 179                 {
 180                 ee->title = g_strdup(title);
 181                 }
 182         else
 183                 {
 184                 ee->title = exif_get_description_by_key(key);
 185                 ee->auto_title = TRUE;
 186                 }
 187
 188         ee->if_set = if_set;
 189         ee->editable = editable;
 190
 191         ee->ped = ped;
 192
 193         ee->ebox = gtk_event_box_new();
 194         g_object_set_data(G_OBJECT(ee->ebox), "entry_data", ee);
 195         g_signal_connect_after(G_OBJECT(ee->ebox), "destroy",
 196                                G_CALLBACK(bar_pane_exif_entry_destroy), ee);
 197
 198         gq_gtk_box_pack_start(GTK_BOX(ped->vbox), ee->ebox, FALSE, FALSE, 0);
 199
 200         bar_pane_exif_entry_dnd_init(ee->ebox);
 201         g_signal_connect(ee->ebox, "button_release_event", G_CALLBACK(bar_pane_exif_menu_cb), ped);
 202         g_signal_connect(ee->ebox, "button_press_event", G_CALLBACK(bar_pane_exif_copy_cb), ped);
 203
 204         bar_pane_exif_setup_entry_box(ped, ee);
 205
 206         bar_pane_exif_entry_update_title(ee);
 207         bar_pane_exif_update(ped);
 208
 209         return ee->ebox;
 210 }
 211
 212 void bar_pane_exif_reparent_entry(GtkWidget *entry, GtkWidget *pane)
 213 {
 214         auto ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 215         PaneExifData *old_ped;
 216         auto ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(entry), "entry_data"));
 217
 218         if (!ped || !ee) return;
 219
 220         old_ped = ee->ped;
 221
 222         g_object_ref(entry);
 223
 224         gtk_size_group_remove_widget(old_ped->size_group, ee->title_label);
 225         gtk_container_remove(GTK_CONTAINER(old_ped->vbox), entry);
 226
 227         ee->ped = ped;
 228         gtk_size_group_add_widget(ped->size_group, ee->title_label);
 229         gq_gtk_box_pack_start(GTK_BOX(ped->vbox), entry, FALSE, FALSE, 0);
 230 }
 231
 232 void bar_pane_exif_entry_update_title(ExifEntry *ee)
 233 {
 234         gchar *markup;
 235
 236         markup = g_markup_printf_escaped("<span size='small'>%s:</span>", (ee->title) ? ee->title : _("<empty label, fixme>"));
 237         gtk_label_set_markup(GTK_LABEL(ee->title_label), markup);
 238         g_free(markup);
 239 }
 240
 241 void bar_pane_exif_update_entry(PaneExifData *ped, GtkWidget *entry, gboolean update_title)
 242 {
 243         gchar *text;
 244         auto ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(entry), "entry_data"));
 245         gshort rating;
 246
 247         if (!ee) return;
 248         if (g_strcmp0(ee->key, "Xmp.xmp.Rating") == 0)
 249                 {
 250                 rating = metadata_read_int(ee->ped->fd, ee->key, 0);
 251                 text = g_strdup_printf("%d", rating);
 252                 }
 253         else
 254                 {
 255                 text = metadata_read_string(ped->fd, ee->key, ee->editable ? METADATA_PLAIN : METADATA_FORMATTED);
 256                 }
 257
 258         if (!ped->show_all && ee->if_set && !ee->editable && (!text || !*text))
 259                 {
 260                 gtk_label_set_text(GTK_LABEL(ee->value_widget), nullptr);
 261                 gtk_widget_hide(entry);
 262                 }
 263         else
 264                 {
 265                 if (ee->editable)
 266                         {
 267                         g_signal_handlers_block_by_func(ee->value_widget, (gpointer *)bar_pane_exif_entry_changed, ee);
 268                         gq_gtk_entry_set_text(GTK_ENTRY(ee->value_widget), text ? text : "");
 269                         g_signal_handlers_unblock_by_func(ee->value_widget, (gpointer)bar_pane_exif_entry_changed, ee);
 270                         gtk_widget_set_tooltip_text(ee->box, nullptr);
 271                         }
 272                 else
 273                         {
 274                         gtk_label_set_text(GTK_LABEL(ee->value_widget), text);
 275                         gtk_widget_set_tooltip_text(ee->box, text);
 276                         }
 277                 gtk_widget_show(entry);
 278                 ped->all_hidden = FALSE;
 279                 }
 280
 281         g_free(text);
 282
 283         if (update_title) bar_pane_exif_entry_update_title(ee);
 284 }
 285
 286 void bar_pane_exif_update(PaneExifData *ped)
 287 {
 288         GList *list;
 289         GList *work;
 290
 291         ped->all_hidden = TRUE;
 292
 293         list = gtk_container_get_children(GTK_CONTAINER(ped->vbox));
 294         work = list;
 295         while (work)
 296                 {
 297                 auto entry = static_cast<GtkWidget *>(work->data);
 298                 work = work->next;
 299
 300                 bar_pane_exif_update_entry(ped, entry, FALSE);
 301                 }
 302         g_list_free(list);
 303
 304         gtk_widget_set_sensitive(ped->pane.title, !ped->all_hidden);
 305 }
 306
 307 void bar_pane_exif_set_fd(GtkWidget *widget, FileData *fd)
 308 {
 309         PaneExifData *ped;
 310
 311         ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(widget), "pane_data"));
 312         if (!ped) return;
 313
 314         file_data_unref(ped->fd);
 315         ped->fd = file_data_ref(fd);
 316
 317         bar_pane_exif_update(ped);
 318 }
 319
 320 gint bar_pane_exif_event(GtkWidget *bar, GdkEvent *event)
 321 {
 322         PaneExifData *ped;
 323         gboolean ret = FALSE;
 324         GList *list;
 325         GList *work;
 326
 327         ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(bar), "pane_data"));
 328         if (!ped) return FALSE;
 329
 330         list = gtk_container_get_children(GTK_CONTAINER(ped->vbox));
 331         work = list;
 332         while (!ret && work)
 333                 {
 334                 auto entry = static_cast<GtkWidget *>(work->data);
 335                 auto ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(entry), "entry_data"));
 336                 work = work->next;
 337
 338                 if (ee->editable && gtk_widget_has_focus(ee->value_widget)) ret = gtk_widget_event(ee->value_widget, event);
 339                 }
 340         g_list_free(list);
 341         return ret;
 342 }
 343
 344 void bar_pane_exif_notify_cb(FileData *fd, NotifyType type, gpointer data)
 345 {
 346         auto ped = static_cast<PaneExifData *>(data);
 347         if ((type & (NOTIFY_REREAD | NOTIFY_CHANGE | NOTIFY_METADATA)) && fd == ped->fd)
 348                 {
 349                 DEBUG_1("Notify pane_exif: %s %04x", fd->path, type);
 350                 bar_pane_exif_update(ped);
 351                 }
 352 }
 353
 354
 355 /*
 356  *-------------------------------------------------------------------
 357  * dnd
 358  *-------------------------------------------------------------------
 359  */
 360
 361 // @todo Use std::array
 362 constexpr GtkTargetEntry bar_pane_exif_drag_types[] = {
 363         { const_cast<gchar *>(TARGET_APP_EXIF_ENTRY_STRING), GTK_TARGET_SAME_APP, TARGET_APP_EXIF_ENTRY },
 364         { const_cast<gchar *>("text/plain"), 0, TARGET_TEXT_PLAIN }
 365 };
 366 constexpr gint n_exif_entry_drag_types = 2;
 367
 368 // @todo Use std::array
 369 constexpr GtkTargetEntry bar_pane_exif_drop_types[] = {
 370         { const_cast<gchar *>(TARGET_APP_EXIF_ENTRY_STRING), GTK_TARGET_SAME_APP, TARGET_APP_EXIF_ENTRY },
 371         { const_cast<gchar *>("text/plain"), 0, TARGET_TEXT_PLAIN }
 372 };
 373 constexpr gint n_exif_entry_drop_types = 2;
 374
 375
 376 void bar_pane_exif_entry_dnd_get(GtkWidget *entry, GdkDragContext *,
 377                                      GtkSelectionData *selection_data, guint info,
 378                                      guint, gpointer)
 379 {
 380         auto ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(entry), "entry_data"));
 381
 382         switch (info)
 383                 {
 384                 case TARGET_APP_EXIF_ENTRY:
 385                         gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
 386                                                8, reinterpret_cast<const guchar *>(&entry), sizeof(entry));
 387                         break;
 388
 389                 case TARGET_TEXT_PLAIN:
 390                 default:
 391                         gtk_selection_data_set_text(selection_data, ee->key, -1);
 392                         break;
 393                 }
 394
 395 }
 396
 397 void bar_pane_exif_dnd_receive(GtkWidget *pane, GdkDragContext *,
 398                                           gint x, gint y,
 399                                           GtkSelectionData *selection_data, guint info,
 400                                           guint, gpointer)
 401 {
 402         PaneExifData *ped;
 403         GList *work;
 404         GList *list;
 405         gint pos;
 406         GtkWidget *new_entry = nullptr;
 407
 408         ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 409         if (!ped) return;
 410
 411         switch (info)
 412                 {
 413                 case TARGET_APP_EXIF_ENTRY:
 414                         new_entry = GTK_WIDGET(*(gpointer *)gtk_selection_data_get_data(selection_data));
 415
 416                         if (gtk_widget_get_parent(new_entry) && gtk_widget_get_parent(new_entry) != ped->vbox) bar_pane_exif_reparent_entry(new_entry, pane);
 417
 418                         break;
 419                 default:
 420                         /** @FIXME this needs a check for valid exif keys */
 421                         new_entry = bar_pane_exif_add_entry(ped, reinterpret_cast<const gchar *>(gtk_selection_data_get_data(selection_data)), nullptr, TRUE, FALSE);
 422                         break;
 423                 }
 424
 425         list = gtk_container_get_children(GTK_CONTAINER(ped->vbox));
 426         work = list;
 427         pos = 0;
 428         while (work)
 429                 {
 430                 gint nx;
 431                 gint ny;
 432                 auto entry = static_cast<GtkWidget *>(work->data);
 433                 GtkAllocation allocation;
 434                 work = work->next;
 435
 436                 if (entry == new_entry) continue;
 437
 438                 gtk_widget_get_allocation(entry, &allocation);
 439
 440                 if (gtk_widget_is_drawable(entry) &&
 441                     gtk_widget_translate_coordinates(pane, entry, x, y, &nx, &ny) &&
 442                     ny < allocation.height / 2) break;
 443                 pos++;
 444                 }
 445         g_list_free(list);
 446
 447         gtk_box_reorder_child(GTK_BOX(ped->vbox), new_entry, pos);
 448 }
 449
 450 void bar_pane_exif_entry_dnd_begin(GtkWidget *entry, GdkDragContext *context, gpointer)
 451 {
 452         auto ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(entry), "entry_data"));
 453
 454         if (!ee) return;
 455         dnd_set_drag_label(entry, context, ee->key);
 456 }
 457
 458 void bar_pane_exif_entry_dnd_end(GtkWidget *, GdkDragContext *, gpointer)
 459 {
 460 }
 461
 462 void bar_pane_exif_entry_dnd_init(GtkWidget *entry)
 463 {
 464         auto ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(entry), "entry_data"));
 465
 466         gtk_drag_source_set(entry, static_cast<GdkModifierType>(GDK_BUTTON1_MASK | GDK_BUTTON2_MASK),
 467                             bar_pane_exif_drag_types, n_exif_entry_drag_types,
 468                             static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
 469         g_signal_connect(G_OBJECT(entry), "drag_data_get",
 470                          G_CALLBACK(bar_pane_exif_entry_dnd_get), ee);
 471
 472         g_signal_connect(G_OBJECT(entry), "drag_begin",
 473                          G_CALLBACK(bar_pane_exif_entry_dnd_begin), ee);
 474         g_signal_connect(G_OBJECT(entry), "drag_end",
 475                          G_CALLBACK(bar_pane_exif_entry_dnd_end), ee);
 476 }
 477
 478 void bar_pane_exif_dnd_init(GtkWidget *pane)
 479 {
 480         gtk_drag_dest_set(pane,
 481                           static_cast<GtkDestDefaults>(GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_HIGHLIGHT | GTK_DEST_DEFAULT_DROP),
 482                           bar_pane_exif_drop_types, n_exif_entry_drop_types,
 483                           static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE));
 484         g_signal_connect(G_OBJECT(pane), "drag_data_received",
 485                          G_CALLBACK(bar_pane_exif_dnd_receive), NULL);
 486 }
 487
 488 void bar_pane_exif_edit_close_cb(GtkWidget *, gpointer data)
 489 {
 490         auto gd = static_cast<GenericDialog *>(data);
 491         generic_dialog_close(gd);
 492 }
 493
 494 void bar_pane_exif_edit_destroy_cb(GtkWidget *, gpointer data)
 495 {
 496         auto cdd = static_cast<ConfDialogData *>(data);
 497         g_signal_handlers_disconnect_by_func(cdd->widget, (gpointer)(bar_pane_exif_edit_close_cb), cdd->gd);
 498         g_free(cdd);
 499 }
 500
 501 void bar_pane_exif_edit_cancel_cb(GenericDialog *, gpointer)
 502 {
 503 }
 504
 505 void bar_pane_exif_edit_ok_cb(GenericDialog *, gpointer data)
 506 {
 507         auto cdd = static_cast<ConfDialogData *>(data);
 508
 509         /* either one or the other */
 510         auto ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(cdd->widget), "pane_data"));
 511         auto ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(cdd->widget), "entry_data"));
 512
 513         if (ped)
 514                 {
 515                 bar_pane_exif_add_entry(ped,
 516                                         gq_gtk_entry_get_text(GTK_ENTRY(cdd->key_entry)),
 517                                         gq_gtk_entry_get_text(GTK_ENTRY(cdd->title_entry)),
 518                                         cdd->if_set, cdd->editable);
 519                 }
 520
 521         if (ee)
 522                 {
 523                 const gchar *title;
 524                 GtkWidget *pane = gtk_widget_get_parent(cdd->widget);
 525
 526                 while (pane)
 527                         {
 528                         ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 529                         if (ped) break;
 530                         pane = gtk_widget_get_parent(pane);
 531                         }
 532
 533                 if (!pane) return;
 534
 535                 g_free(ee->key);
 536                 ee->key = g_strdup(gq_gtk_entry_get_text(GTK_ENTRY(cdd->key_entry)));
 537                 title = gq_gtk_entry_get_text(GTK_ENTRY(cdd->title_entry));
 538                 if (!title || strlen(title) == 0)
 539                         {
 540                         g_free(ee->title);
 541                         ee->title = exif_get_description_by_key(ee->key);
 542                         ee->auto_title = TRUE;
 543                         }
 544                 else if (!ee->title || strcmp(ee->title, title) != 0)
 545                         {
 546                         g_free(ee->title);
 547                         ee->title = g_strdup(title);
 548                         ee->auto_title = FALSE;
 549                         }
 550
 551                 ee->if_set = cdd->if_set;
 552                 ee->editable = cdd->editable;
 553
 554                 bar_pane_exif_setup_entry_box(ped, ee);
 555
 556                 bar_pane_exif_entry_update_title(ee);
 557                 bar_pane_exif_update(ped);
 558                 }
 559 }
 560
 561 void bar_pane_exif_conf_dialog(GtkWidget *widget)
 562 {
 563         ConfDialogData *cdd;
 564         GenericDialog *gd;
 565         GtkWidget *table;
 566
 567         /* the widget can be either ExifEntry (for editing) or Pane (for new entry)
 568            we can decide it by the attached data */
 569         auto ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(widget), "entry_data"));
 570
 571         cdd = g_new0(ConfDialogData, 1);
 572
 573         cdd->widget = widget;
 574
 575
 576         cdd->if_set = ee ? ee->if_set : TRUE;
 577         cdd->editable = ee ? ee->editable : FALSE;
 578
 579         cdd->gd = gd = generic_dialog_new(ee ? _("Configure entry") : _("Add entry"), "exif_entry_edit",
 580                                 widget, TRUE,
 581                                 bar_pane_exif_edit_cancel_cb, cdd);
 582         g_signal_connect(G_OBJECT(gd->dialog), "destroy",
 583                          G_CALLBACK(bar_pane_exif_edit_destroy_cb), cdd);
 584
 585         /* in case the entry is deleted during editing */
 586         g_signal_connect(G_OBJECT(widget), "destroy",
 587                          G_CALLBACK(bar_pane_exif_edit_close_cb), gd);
 588
 589         generic_dialog_add_message(gd, nullptr, ee ? _("Configure entry") : _("Add entry"), nullptr, FALSE);
 590
 591         generic_dialog_add_button(gd, GQ_ICON_OK, "OK",
 592                                   bar_pane_exif_edit_ok_cb, TRUE);
 593
 594         table = pref_table_new(gd->vbox, 3, 2, FALSE, TRUE);
 595         pref_table_label(table, 0, 0, _("Key:"), GTK_ALIGN_END);
 596
 597         cdd->key_entry = gtk_entry_new();
 598         gtk_widget_set_size_request(cdd->key_entry, 300, -1);
 599         if (ee) gq_gtk_entry_set_text(GTK_ENTRY(cdd->key_entry), ee->key);
 600         gq_gtk_grid_attach_default(GTK_GRID(table), cdd->key_entry, 1, 2, 0, 1);
 601         generic_dialog_attach_default(gd, cdd->key_entry);
 602         gtk_widget_show(cdd->key_entry);
 603
 604         pref_table_label(table, 0, 1, _("Title:"), GTK_ALIGN_END);
 605
 606         cdd->title_entry = gtk_entry_new();
 607         gtk_widget_set_size_request(cdd->title_entry, 300, -1);
 608         if (ee) gq_gtk_entry_set_text(GTK_ENTRY(cdd->title_entry), ee->title);
 609         gq_gtk_grid_attach_default(GTK_GRID(table), cdd->title_entry, 1, 2, 1, 2);
 610         generic_dialog_attach_default(gd, cdd->title_entry);
 611         gtk_widget_show(cdd->title_entry);
 612
 613         pref_checkbox_new_int(gd->vbox, _("Show only if set"), cdd->if_set, &cdd->if_set);
 614         pref_checkbox_new_int(gd->vbox, _("Editable (supported only for XMP)"), cdd->editable, &cdd->editable);
 615
 616         gtk_widget_show(gd->dialog);
 617 }
 618
 619 void bar_pane_exif_conf_dialog_cb(GtkWidget *, gpointer data)
 620 {
 621         auto widget = static_cast<GtkWidget *>(data);
 622         bar_pane_exif_conf_dialog(widget);
 623 }
 624
 625 void bar_pane_exif_delete_entry_cb(GtkWidget *, gpointer data)
 626 {
 627         auto entry = static_cast<GtkWidget *>(data);
 628         gtk_container_remove(GTK_CONTAINER(gtk_widget_get_parent(entry)), entry);
 629 }
 630
 631 #if HAVE_GTK4
 632 void bar_pane_exif_copy_entry_cb(GtkWidget *, gpointer data)
 633 {
 634 /* @FIXME GTK4 stub */
 635 }
 636 #else
 637 void bar_pane_exif_copy_entry_cb(GtkWidget *, gpointer data)
 638 {
 639         auto widget = static_cast<GtkWidget *>(data);
 640         GtkClipboard *clipboard;
 641         const gchar *value;
 642         ExifEntry *ee;
 643
 644         ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(widget), "entry_data"));
 645         value = gtk_label_get_text(GTK_LABEL(ee->value_widget));
 646         clipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
 647         gtk_clipboard_set_text(clipboard, value, -1);
 648 }
 649 #endif
 650
 651 void bar_pane_exif_toggle_show_all_cb(GtkWidget *, gpointer data)
 652 {
 653         auto ped = static_cast<PaneExifData *>(data);
 654         ped->show_all = !ped->show_all;
 655         bar_pane_exif_update(ped);
 656 }
 657
 658 void bar_pane_exif_menu_popup(GtkWidget *widget, PaneExifData *ped)
 659 {
 660         GtkWidget *menu;
 661         /* the widget can be either ExifEntry (for editing) or Pane (for new entry)
 662            we can decide it by the attached data */
 663         auto ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(widget), "entry_data"));
 664
 665         menu = popup_menu_short_lived();
 666
 667         if (ee)
 668                 {
 669                 /* for the entry */
 670                 gchar *conf = g_strdup_printf(_("Configure \"%s\""), ee->title);
 671                 gchar *del = g_strdup_printf(_("Remove \"%s\""), ee->title);
 672                 gchar *copy = g_strdup_printf(_("Copy \"%s\""), ee->title);
 673
 674                 menu_item_add_icon(menu, conf, GQ_ICON_EDIT, G_CALLBACK(bar_pane_exif_conf_dialog_cb), widget);
 675                 menu_item_add_icon(menu, del, GQ_ICON_DELETE, G_CALLBACK(bar_pane_exif_delete_entry_cb), widget);
 676                 menu_item_add_icon(menu, copy, GQ_ICON_COPY, G_CALLBACK(bar_pane_exif_copy_entry_cb), widget);
 677                 menu_item_add_divider(menu);
 678
 679                 g_free(conf);
 680                 g_free(del);
 681                 }
 682
 683         /* for the pane */
 684         menu_item_add_icon(menu, _("Add entry"), GQ_ICON_ADD, G_CALLBACK(bar_pane_exif_conf_dialog_cb), ped->widget);
 685         menu_item_add_check(menu, _("Show hidden entries"), ped->show_all, G_CALLBACK(bar_pane_exif_toggle_show_all_cb), ped);
 686
 687         gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
 688 }
 689
 690 gboolean bar_pane_exif_menu_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
 691 {
 692         auto ped = static_cast<PaneExifData *>(data);
 693         if (bevent->button == MOUSE_BUTTON_RIGHT)
 694                 {
 695                 bar_pane_exif_menu_popup(widget, ped);
 696                 return TRUE;
 697                 }
 698         return FALSE;
 699 }
 700
 701 #if HAVE_GTK4
 702 gboolean bar_pane_exif_copy_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer)
 703 {
 704 /* @FIXME GTK4 stub */
 705         return FALSE;
 706 }
 707 #else
 708 gboolean bar_pane_exif_copy_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer)
 709 {
 710         const gchar *value;
 711         GtkClipboard *clipboard;
 712         ExifEntry *ee;
 713
 714         if (bevent->button == MOUSE_BUTTON_LEFT)
 715                 {
 716                 ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(widget), "entry_data"));
 717                 value = gtk_label_get_text(GTK_LABEL(ee->value_widget));
 718                 clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 719                 gtk_clipboard_set_text(clipboard, value, -1);
 720
 721                 return TRUE;
 722                 }
 723
 724         return FALSE;
 725 }
 726 #endif
 727
 728 void bar_pane_exif_entry_write_config(GtkWidget *entry, GString *outstr, gint indent)
 729 {
 730         auto ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(entry), "entry_data"));
 731         if (!ee) return;
 732
 733         WRITE_NL(); WRITE_STRING("<entry ");
 734         WRITE_CHAR(*ee, key);
 735         if (!ee->auto_title) WRITE_CHAR(*ee, title);
 736         WRITE_BOOL(*ee, if_set);
 737         WRITE_BOOL(*ee, editable);
 738         WRITE_STRING("/>");
 739 }
 740
 741 void bar_pane_exif_write_config(GtkWidget *pane, GString *outstr, gint indent)
 742 {
 743         PaneExifData *ped;
 744         GList *work;
 745         GList *list;
 746
 747         ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 748         if (!ped) return;
 749
 750         WRITE_NL(); WRITE_STRING("<pane_exif ");
 751         write_char_option(outstr, indent, "id", ped->pane.id);
 752         write_char_option(outstr, indent, "title", gtk_label_get_text(GTK_LABEL(ped->pane.title)));
 753         WRITE_BOOL(ped->pane, expanded);
 754         WRITE_BOOL(*ped, show_all);
 755         WRITE_STRING(">");
 756         indent++;
 757
 758         list = gtk_container_get_children(GTK_CONTAINER(ped->vbox));
 759         work = list;
 760         while (work)
 761                 {
 762                 auto entry = static_cast<GtkWidget *>(work->data);
 763                 work = work->next;
 764
 765                 bar_pane_exif_entry_write_config(entry, outstr, indent);
 766                 }
 767         g_list_free(list);
 768         indent--;
 769         WRITE_NL(); WRITE_STRING("</pane_exif>");
 770 }
 771
 772 void bar_pane_exif_destroy(GtkWidget *, gpointer data)
 773 {
 774         auto ped = static_cast<PaneExifData *>(data);
 775
 776         file_data_unregister_notify_func(bar_pane_exif_notify_cb, ped);
 777         g_object_unref(ped->size_group);
 778         file_data_unref(ped->fd);
 779         g_free(ped->pane.id);
 780         g_free(ped);
 781 }
 782
 783 #pragma GCC diagnostic push
 784 #pragma GCC diagnostic ignored "-Wunused-function"
 785 void bar_pane_exif_size_request_unused(GtkWidget *, GtkRequisition *requisition, gpointer data)
 786 {
 787         auto *ped = static_cast<PaneExifData *>(data);
 788         if (requisition->height < ped->min_height)
 789                 {
 790                 requisition->height = ped->min_height;
 791                 }
 792 }
 793 #pragma GCC diagnostic pop
 794
 795 void bar_pane_exif_size_allocate(GtkWidget *, GtkAllocation *alloc, gpointer data)
 796 {
 797         auto ped = static_cast<PaneExifData *>(data);
 798         ped->min_height = alloc->height;
 799         gtk_widget_set_size_request(ped->widget, -1, ped->min_height);
 800 }
 801
 802 GtkWidget *bar_pane_exif_new(const gchar *id, const gchar *title, gboolean expanded, gboolean show_all)
 803 {
 804         PaneExifData *ped;
 805
 806         ped = g_new0(PaneExifData, 1);
 807
 808         ped->pane.pane_set_fd = bar_pane_exif_set_fd;
 809         ped->pane.pane_write_config = bar_pane_exif_write_config;
 810         ped->pane.pane_event = bar_pane_exif_event;
 811         ped->pane.title = bar_pane_expander_title(title);
 812         ped->pane.id = g_strdup(id);
 813         ped->pane.expanded = expanded;
 814         ped->pane.type = PANE_EXIF;
 815         ped->show_all = show_all;
 816
 817         ped->size_group = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
 818         ped->widget = gtk_event_box_new();
 819         ped->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
 820         gq_gtk_container_add(GTK_WIDGET(ped->widget), ped->vbox);
 821         gtk_widget_show(ped->vbox);
 822
 823         ped->min_height = MIN_HEIGHT;
 824         g_object_set_data(G_OBJECT(ped->widget), "pane_data", ped);
 825         g_signal_connect_after(G_OBJECT(ped->widget), "destroy",
 826                                G_CALLBACK(bar_pane_exif_destroy), ped);
 827         gtk_widget_set_size_request(ped->widget, -1, ped->min_height);
 828         g_signal_connect(G_OBJECT(ped->widget), "size-allocate",
 829                          G_CALLBACK(bar_pane_exif_size_allocate), ped);
 830
 831         bar_pane_exif_dnd_init(ped->widget);
 832         g_signal_connect(ped->widget, "button_release_event", G_CALLBACK(bar_pane_exif_menu_cb), ped);
 833
 834         file_data_register_notify_func(bar_pane_exif_notify_cb, ped, NOTIFY_PRIORITY_LOW);
 835
 836         gtk_widget_show(ped->widget);
 837
 838         return ped->widget;
 839 }
 840
 841 } // namespace
 842
 843 GList * bar_pane_exif_list()
 844 {
 845         PaneExifData *ped;
 846         GList *list;
 847         GList *work_windows;
 848         GList *exif_list = nullptr;
 849         LayoutWindow *lw;
 850         GtkWidget *bar;
 851         GtkWidget *pane;
 852         GtkWidget *entry;
 853         ExifEntry *ee;
 854
 855         work_windows = layout_window_list;
 856         lw = static_cast<LayoutWindow *>(work_windows->data);
 857         bar = lw->bar;
 858         pane = bar_find_pane_by_id(bar, PANE_EXIF, "exif");
 859         if (pane)
 860                 {
 861                 ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 862
 863                 list = gtk_container_get_children(GTK_CONTAINER(ped->vbox));
 864                 GList *work = list;
 865                 while (work)
 866                         {
 867                         entry = static_cast<GtkWidget *>(work->data);
 868                         work = work->next;
 869                         ee = static_cast<ExifEntry *>(g_object_get_data(G_OBJECT(entry), "entry_data"));
 870                         exif_list = g_list_append(exif_list, g_strdup(ee->title));
 871                         exif_list = g_list_append(exif_list, g_strdup(ee->key));
 872                         }
 873
 874                 g_list_free(list);
 875                 }
 876         return exif_list;
 877 }
 878
 879 #pragma GCC diagnostic push
 880 #pragma GCC diagnostic ignored "-Wunused-function"
 881 void bar_pane_exif_close_unused(GtkWidget *widget)
 882 {
 883         PaneExifData *ped;
 884
 885         ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(widget), "pane_data"));
 886         if (!ped) return;
 887
 888         g_object_unref(ped->vbox);
 889 }
 890 #pragma GCC diagnostic pop
 891
 892 GtkWidget *bar_pane_exif_new_from_config(const gchar **attribute_names, const gchar **attribute_values)
 893 {
 894         gchar *title = nullptr;
 895         gchar *id = g_strdup("exif");
 896         gboolean expanded = TRUE;
 897         gboolean show_all = FALSE;
 898         GtkWidget *ret;
 899
 900         while (*attribute_names)
 901                 {
 902                 const gchar *option = *attribute_names++;
 903                 const gchar *value = *attribute_values++;
 904
 905                 if (READ_CHAR_FULL("id", id)) continue;
 906                 if (READ_CHAR_FULL("title", title)) continue;
 907                 if (READ_BOOL_FULL("expanded", expanded)) continue;
 908                 if (READ_BOOL_FULL("show_all", show_all)) continue;
 909
 910                 log_printf("unknown attribute %s = %s\n", option, value);
 911                 }
 912
 913         bar_pane_translate_title(PANE_EXIF, id, &title);
 914         ret = bar_pane_exif_new(id, title, expanded, show_all);
 915         g_free(title);
 916         g_free(id);
 917         return ret;
 918 }
 919
 920 void bar_pane_exif_update_from_config(GtkWidget *pane, const gchar **attribute_names, const gchar **attribute_values)
 921 {
 922         PaneExifData *ped;
 923         gchar *title = nullptr;
 924
 925         ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 926         if (!ped) return;
 927
 928         while (*attribute_names)
 929                 {
 930                 const gchar *option = *attribute_names++;
 931                 const gchar *value = *attribute_values++;
 932
 933                 if (READ_CHAR_FULL("title", title)) continue;
 934                 if (READ_BOOL_FULL("expanded", ped->pane.expanded)) continue;
 935                 if (READ_BOOL_FULL("show_all", ped->show_all)) continue;
 936                 if (READ_CHAR_FULL("id", ped->pane.id)) continue;
 937
 938
 939                 log_printf("unknown attribute %s = %s\n", option, value);
 940                 }
 941
 942         if (title)
 943                 {
 944                 bar_pane_translate_title(PANE_EXIF, ped->pane.id, &title);
 945                 gtk_label_set_text(GTK_LABEL(ped->pane.title), title);
 946                 g_free(title);
 947                 }
 948
 949         bar_update_expander(pane);
 950         bar_pane_exif_update(ped);
 951 }
 952
 953
 954 void bar_pane_exif_entry_add_from_config(GtkWidget *pane, const gchar **attribute_names, const gchar **attribute_values)
 955 {
 956         PaneExifData *ped;
 957         gchar *key = nullptr;
 958         gchar *title = nullptr;
 959         gboolean if_set = TRUE;
 960         gboolean editable = FALSE;
 961
 962         ped = static_cast<PaneExifData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 963         if (!ped) return;
 964
 965         while (*attribute_names)
 966                 {
 967                 const gchar *option = *attribute_names++;
 968                 const gchar *value = *attribute_values++;
 969
 970                 if (READ_CHAR_FULL("key", key)) continue;
 971                 if (READ_CHAR_FULL("title", title)) continue;
 972                 if (READ_BOOL_FULL("if_set", if_set)) continue;
 973                 if (READ_BOOL_FULL("editable", editable)) continue;
 974
 975                 log_printf("unknown attribute %s = %s\n", option, value);
 976                 }
 977
 978         if (key && key[0]) bar_pane_exif_add_entry(ped, key, title, if_set, editable);
 979 }
 980
 981
 982 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */