src/bar.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.h"
  23
  24 #include <cstring>
  25
  26 #include <glib-object.h>
  27 #include <pango/pango.h>
  28
  29 #include <config.h>
  30
  31 #include "compat.h"
  32 #include "debug.h"
  33 #include "filedata.h"
  34 #include "intl.h"
  35 #include "layout.h"
  36 #include "main-defines.h"
  37 #include "metadata.h"
  38 #include "rcfile.h"
  39 #include "typedefs.h"
  40 #include "ui-menu.h"
  41 #include "ui-misc.h"
  42
  43
  44 namespace
  45 {
  46
  47 constexpr gint SIDEBAR_DEFAULT_WIDTH = 250;
  48
  49 void remove_child_from_parent(gpointer data)
  50 {
  51         gtk_container_remove(GTK_CONTAINER(gtk_widget_get_parent(GTK_WIDGET(data))), GTK_WIDGET(data));
  52 }
  53
  54 } // namespace
  55
  56 struct KnownPanes
  57 {
  58         PaneType type;
  59         const gchar *id;
  60         const gchar *title;
  61         const gchar *config;
  62 };
  63
  64 static const gchar default_config_histogram[] =
  65 "<gq>"
  66 "    <layout id = '_current_'>"
  67 "        <bar>"
  68 "            <pane_histogram id = 'histogram' expanded = 'true' histogram_channel = '4' histogram_mode = '0' />"
  69 "        </bar>"
  70 "    </layout>"
  71 "</gq>";
  72
  73 static const gchar default_config_title[] =
  74 "<gq>"
  75 "    <layout id = '_current_'>"
  76 "        <bar>"
  77 "            <pane_comment id = 'title' expanded = 'true' key = 'Xmp.dc.title' height = '40' />"
  78 "        </bar>"
  79 "    </layout>"
  80 "</gq>";
  81
  82 static const gchar default_config_headline[] =
  83 "<gq>"
  84 "    <layout id = '_current_'>"
  85 "        <bar>"
  86 "            <pane_comment id = 'headline' expanded = 'true' key = 'Xmp.photoshop.Headline'  height = '40' />"
  87 "        </bar>"
  88 "    </layout>"
  89 "</gq>";
  90
  91 static const gchar default_config_keywords[] =
  92 "<gq>"
  93 "    <layout id = '_current_'>"
  94 "        <bar>"
  95 "            <pane_keywords id = 'keywords' expanded = 'true' key = '" KEYWORD_KEY "' />"
  96 "        </bar>"
  97 "    </layout>"
  98 "</gq>";
  99
 100 static const gchar default_config_comment[] =
 101 "<gq>"
 102 "    <layout id = '_current_'>"
 103 "        <bar>"
 104 "            <pane_comment id = 'comment' expanded = 'true' key = '" COMMENT_KEY "' height = '150' />"
 105 "        </bar>"
 106 "    </layout>"
 107 "</gq>";
 108 static const gchar default_config_rating[] =
 109 "<gq>"
 110 "    <layout id = '_current_'>"
 111 "        <bar>"
 112 "            <pane_rating id = 'rating' expanded = 'true' />"
 113 "        </bar>"
 114 "    </layout>"
 115 "</gq>";
 116
 117 static const gchar default_config_exif[] =
 118 "<gq>"
 119 "    <layout id = '_current_'>"
 120 "        <bar>"
 121 "            <pane_exif id = 'exif' expanded = 'true' >"
 122 "                <entry key = 'formatted.Camera' if_set = 'true' editable = 'false' />"
 123 "                <entry key = 'formatted.DateTime' if_set = 'true' editable = 'false' />"
 124 "                <entry key = 'formatted.localtime' if_set = 'true' editable = 'false' />"
 125 "                <entry key = 'formatted.ShutterSpeed' if_set = 'true' editable = 'false' />"
 126 "                <entry key = 'formatted.Aperture' if_set = 'true' editable = 'false' />"
 127 "                <entry key = 'formatted.ExposureBias' if_set = 'true' editable = 'false' />"
 128 "                <entry key = 'formatted.ISOSpeedRating' if_set = 'true' editable = 'false' />"
 129 "                <entry key = 'formatted.FocalLength' if_set = 'true' editable = 'false' />"
 130 "                <entry key = 'formatted.FocalLength35mmFilm' if_set = 'true' editable = 'false' />"
 131 "                <entry key = 'formatted.Flash' if_set = 'true' editable = 'false' />"
 132 "                <entry key = 'Exif.Photo.ExposureProgram' if_set = 'true' editable = 'false' />"
 133 "                <entry key = 'Exif.Photo.MeteringMode' if_set = 'true' editable = 'false' />"
 134 "                <entry key = 'Exif.Photo.LightSource' if_set = 'true' editable = 'false' />"
 135 "                <entry key = 'formatted.ColorProfile' if_set = 'true' editable = 'false' />"
 136 "                <entry key = 'formatted.SubjectDistance' if_set = 'true' editable = 'false' />"
 137 "                <entry key = 'formatted.Resolution' if_set = 'true' editable = 'false' />"
 138 "                <entry key = '" ORIENTATION_KEY "' if_set = 'true' editable = 'false' />"
 139 "                <entry key = 'formatted.star_rating' if_set = 'true' editable = 'false' />"
 140 "            </pane_exif>"
 141 "        </bar>"
 142 "    </layout>"
 143 "</gq>";
 144
 145 static const gchar default_config_file_info[] =
 146 "<gq>"
 147 "    <layout id = '_current_'>"
 148 "        <bar>"
 149 "            <pane_exif id = 'file_info' expanded = 'true' >"
 150 "                <entry key = 'file.mode' if_set = 'false' editable = 'false' />"
 151 "                <entry key = 'file.date' if_set = 'false' editable = 'false' />"
 152 "                <entry key = 'file.size' if_set = 'false' editable = 'false' />"
 153 "                <entry key = 'file.owner' if_set = 'false' editable = 'false' />"
 154 "                <entry key = 'file.group' if_set = 'false' editable = 'false' />"
 155 "                <entry key = 'file.class' if_set = 'false' editable = 'false' />"
 156 "                <entry key = 'file.link' if_set = 'false' editable = 'false' />"
 157 "            </pane_exif>"
 158 "        </bar>"
 159 "    </layout>"
 160 "</gq>";
 161
 162 static const gchar default_config_location[] =
 163 "<gq>"
 164 "    <layout id = '_current_'>"
 165 "        <bar>"
 166 "            <pane_exif id = 'location' expanded = 'true' >"
 167 "                <entry key = 'formatted.GPSPosition' if_set = 'true' editable = 'false' />"
 168 "                <entry key = 'formatted.GPSAltitude' if_set = 'true' editable = 'false' />"
 169 "                <entry key = 'formatted.timezone' if_set = 'true' editable = 'false' />"
 170 "                <entry key = 'Xmp.photoshop.Country' if_set = 'false' editable = 'true' />"
 171 "                <entry key = 'Xmp.iptc.CountryCode' if_set = 'false' editable = 'true' />"
 172 "                <entry key = 'Xmp.photoshop.State' if_set = 'false' editable = 'true' />"
 173 "                <entry key = 'Xmp.photoshop.City' if_set = 'false' editable = 'true' />"
 174 "                <entry key = 'Xmp.iptc.Location' if_set = 'false' editable = 'true' />"
 175 "            </pane_exif>"
 176 "        </bar>"
 177 "    </layout>"
 178 "</gq>";
 179
 180 static const gchar default_config_copyright[] =
 181 "<gq>"
 182 "    <layout id = '_current_'>"
 183 "        <bar>"
 184 "            <pane_exif id = 'copyright' expanded = 'true' >"
 185 "                <entry key = 'Xmp.dc.creator' if_set = 'true' editable = 'false' />"
 186 "                <entry key = 'Xmp.dc.contributor' if_set = 'true' editable = 'false' />"
 187 "                <entry key = 'Xmp.dc.rights' if_set = 'false' editable = 'false' />"
 188 "            </pane_exif>"
 189 "        </bar>"
 190 "    </layout>"
 191 "</gq>";
 192
 193 #if HAVE_LIBCHAMPLAIN && HAVE_LIBCHAMPLAIN_GTK
 194 static const gchar default_config_gps[] =
 195 "<gq>"
 196 "    <layout id = '_current_'>"
 197 "        <bar>"
 198 "            <pane_gps id = 'gps' expanded = 'true'"
 199 "                      map-id = 'osm-mapnik'"
 200 "                      zoom-level = '8'"
 201 "                      latitude = '50116666'"
 202 "                      longitude = '8683333' />"
 203 "        </bar>"
 204 "    </layout>"
 205 "</gq>";
 206 #endif
 207
 208 static const KnownPanes known_panes[] = {
 209 /* default sidebar */
 210         {PANE_HISTOGRAM,        "histogram",    N_("Histogram"),        default_config_histogram},
 211         {PANE_COMMENT,          "title",        N_("Title"),            default_config_title},
 212         {PANE_KEYWORDS,         "keywords",     N_("Keywords"),         default_config_keywords},
 213         {PANE_COMMENT,          "comment",      N_("Comment"),          default_config_comment},
 214         {PANE_RATING,           "rating",       N_("Star Rating"),      default_config_rating},
 215         {PANE_COMMENT,          "headline",     N_("Headline"),         default_config_headline},
 216         {PANE_EXIF,             "exif",         N_("Exif"),             default_config_exif},
 217 /* other pre-configured panes */
 218         {PANE_EXIF,             "file_info",    N_("File info"),        default_config_file_info},
 219         {PANE_EXIF,             "location",     N_("Location and GPS"), default_config_location},
 220         {PANE_EXIF,             "copyright",    N_("Copyright"),        default_config_copyright},
 221 #if HAVE_LIBCHAMPLAIN && HAVE_LIBCHAMPLAIN_GTK
 222         {PANE_GPS,              "gps",  N_("GPS Map"),  default_config_gps},
 223 #endif
 224         {PANE_UNDEF,            nullptr,                nullptr,                        nullptr}
 225 };
 226
 227 struct BarData
 228 {
 229         GtkWidget *widget;
 230         GtkWidget *vbox;
 231         FileData *fd;
 232         GtkWidget *label_file_name;
 233         GtkWidget *add_button;
 234
 235         LayoutWindow *lw;
 236         gint width;
 237 };
 238
 239 static const gchar *bar_pane_get_default_config(const gchar *id);
 240
 241 static void bar_expander_move(GtkWidget *, gpointer data, gboolean up, gboolean single_step)
 242 {
 243         auto expander = static_cast<GtkWidget *>(data);
 244         GtkWidget *box;
 245         gint pos;
 246
 247         if (!expander) return;
 248         box = gtk_widget_get_ancestor(expander, GTK_TYPE_BOX);
 249         if (!box) return;
 250
 251         gtk_container_child_get(GTK_CONTAINER(box), expander, "position", &pos, NULL);
 252
 253         if (single_step)
 254                 {
 255                 pos = up ? (pos - 1) : (pos + 1);
 256                 if (pos < 0) pos = 0;
 257                 }
 258         else
 259                 {
 260                 pos = up ? 0 : -1;
 261                 }
 262
 263         gtk_box_reorder_child(GTK_BOX(box), expander, pos);
 264 }
 265
 266
 267 static void bar_expander_move_up_cb(GtkWidget *widget, gpointer data)
 268 {
 269         bar_expander_move(widget, data, TRUE, TRUE);
 270 }
 271
 272 static void bar_expander_move_down_cb(GtkWidget *widget, gpointer data)
 273 {
 274         bar_expander_move(widget, data, FALSE, TRUE);
 275 }
 276
 277 static void bar_expander_move_top_cb(GtkWidget *widget, gpointer data)
 278 {
 279         bar_expander_move(widget, data, TRUE, FALSE);
 280 }
 281
 282 static void bar_expander_move_bottom_cb(GtkWidget *widget, gpointer data)
 283 {
 284         bar_expander_move(widget, data, FALSE, FALSE);
 285 }
 286
 287 static void height_spin_changed_cb(GtkSpinButton *spin, gpointer data)
 288 {
 289
 290         gtk_widget_set_size_request(GTK_WIDGET(data), -1, gtk_spin_button_get_value_as_int(spin));
 291 }
 292
 293 static void height_spin_key_press_cb(GtkEventControllerKey *, gint keyval, guint, GdkModifierType, gpointer data)
 294 {
 295         if ((keyval == GDK_KEY_Return || keyval == GDK_KEY_Escape))
 296                 {
 297                 gq_gtk_widget_destroy(GTK_WIDGET(data));
 298                 }
 299 }
 300
 301 static void expander_height_cb(GtkWindow *widget, GdkEvent *, gpointer)
 302 {
 303         gq_gtk_widget_destroy(GTK_WIDGET(widget));
 304 }
 305
 306 static void bar_expander_height_cb(GtkWidget *, gpointer data)
 307 {
 308         auto expander = static_cast<GtkWidget *>(data);
 309         GtkWidget *spin;
 310         GtkWidget *window;
 311         GtkWidget *data_box;
 312         GList *list;
 313         gint x;
 314         gint y;
 315         gint w;
 316         gint h;
 317         GdkDisplay *display;
 318         GdkSeat *seat;
 319         GdkDevice *device;
 320         GtkEventController *controller;
 321
 322         display = gdk_display_get_default();
 323         seat = gdk_display_get_default_seat(display);
 324         device = gdk_seat_get_pointer(seat);
 325         gdk_device_get_position(device, nullptr, &x, &y);
 326
 327         list = gtk_container_get_children(GTK_CONTAINER(expander));
 328         data_box = static_cast<GtkWidget *>(list->data);
 329
 330 #if HAVE_GTK4
 331         window = gtk_window_new();
 332 #else
 333         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 334 #endif
 335
 336         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 337         gtk_window_set_decorated(GTK_WINDOW(window), FALSE);
 338         gq_gtk_window_set_keep_above(GTK_WINDOW(window), TRUE);
 339         gtk_window_set_default_size(GTK_WINDOW(window), 50, 30); //** @FIXME set these values in a more sensible way */
 340         g_signal_connect(window, "key-press-event", G_CALLBACK(expander_height_cb), nullptr);
 341
 342         gq_gtk_window_move(GTK_WINDOW(window), x, y);
 343         gtk_widget_show(window);
 344
 345         gtk_widget_get_size_request(GTK_WIDGET(data_box), &w, &h);
 346
 347         spin = gtk_spin_button_new_with_range(1, 1000, 1);
 348         g_signal_connect(G_OBJECT(spin), "value-changed", G_CALLBACK(height_spin_changed_cb), data_box);
 349         controller = gtk_event_controller_key_new(spin);
 350         g_signal_connect(controller, "key-pressed", G_CALLBACK(height_spin_key_press_cb), window);
 351
 352         gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin), h);
 353         gq_gtk_container_add(GTK_WIDGET(window), spin);
 354         gtk_widget_show(spin);
 355         gtk_widget_grab_focus(GTK_WIDGET(spin));
 356
 357         g_list_free(list);
 358 }
 359
 360 static void bar_expander_delete_cb(GtkWidget *, gpointer data)
 361 {
 362         auto expander = static_cast<GtkWidget *>(data);
 363         gtk_container_remove(GTK_CONTAINER(gtk_widget_get_parent(expander)), expander);
 364 }
 365
 366 static void bar_expander_add_cb(GtkWidget *widget, gpointer)
 367 {
 368         const KnownPanes *pane = known_panes;
 369         auto id = static_cast<const gchar *>(g_object_get_data(G_OBJECT(widget), "pane_add_id"));
 370         const gchar *config;
 371
 372         if (!id) return;
 373
 374         while (pane->id)
 375                 {
 376                 if (strcmp(pane->id, id) == 0) break;
 377                 pane++;
 378                 }
 379         if (!pane->id) return;
 380
 381         config = bar_pane_get_default_config(id);
 382         if (config) load_config_from_buf(config, strlen(config), FALSE);
 383
 384 }
 385
 386
 387 static void bar_menu_popup(GtkWidget *widget)
 388 {
 389         GtkWidget *menu;
 390         GtkWidget *bar;
 391         GtkWidget *expander;
 392         BarData *bd;
 393         gboolean display_height_option = FALSE;
 394         gchar const *label;
 395
 396         label = gtk_expander_get_label(GTK_EXPANDER(widget));
 397         display_height_option = (g_strcmp0(label, "Comment") == 0) ||
 398                                                         (g_strcmp0(label, "Rating") == 0) ||
 399                                                         (g_strcmp0(label, "Title") == 0) ||
 400                                                         (g_strcmp0(label, "Headline") == 0) ||
 401                                                         (g_strcmp0(label, "Keywords") == 0) ||
 402                                                         (g_strcmp0(label, "GPS Map") == 0);
 403
 404         bd = static_cast<BarData *>(g_object_get_data(G_OBJECT(widget), "bar_data"));
 405         if (bd)
 406                 {
 407                 expander = nullptr;
 408                 bar = widget;
 409                 }
 410         else
 411                 {
 412                 expander = widget;
 413                 bar = gtk_widget_get_parent(widget);
 414                 while (bar && !g_object_get_data(G_OBJECT(bar), "bar_data"))
 415                         bar = gtk_widget_get_parent(bar);
 416                 if (!bar) return;
 417                 }
 418
 419         menu = popup_menu_short_lived();
 420
 421         if (expander)
 422                 {
 423                 menu_item_add_icon(menu, _("Move to _top"), GQ_ICON_GO_TOP, G_CALLBACK(bar_expander_move_top_cb), expander);
 424                 menu_item_add_icon(menu, _("Move _up"), GQ_ICON_GO_UP, G_CALLBACK(bar_expander_move_up_cb), expander);
 425                 menu_item_add_icon(menu, _("Move _down"), GQ_ICON_GO_DOWN, G_CALLBACK(bar_expander_move_down_cb), expander);
 426                 menu_item_add_icon(menu, _("Move to _bottom"), GQ_ICON_GO_BOTTOM, G_CALLBACK(bar_expander_move_bottom_cb), expander);
 427                 menu_item_add_divider(menu);
 428
 429                 if (gtk_expander_get_expanded(GTK_EXPANDER(expander)) && display_height_option)
 430                         {
 431                         menu_item_add_icon(menu, _("Height..."), GQ_ICON_PREFERENCES, G_CALLBACK(bar_expander_height_cb), expander);
 432                         menu_item_add_divider(menu);
 433                         }
 434
 435                 menu_item_add_icon(menu, _("Remove"), GQ_ICON_DELETE, G_CALLBACK(bar_expander_delete_cb), expander);
 436                 menu_item_add_divider(menu);
 437                 }
 438
 439         gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
 440 }
 441
 442 static void bar_menu_add_popup(GtkWidget *widget)
 443 {
 444         GtkWidget *menu;
 445         GtkWidget *bar;
 446         const KnownPanes *pane = known_panes;
 447
 448         bar = widget;
 449
 450         menu = popup_menu_short_lived();
 451
 452         while (pane->id)
 453                 {
 454                 GtkWidget *item;
 455                 item = menu_item_add_icon(menu, _(pane->title), GQ_ICON_ADD, G_CALLBACK(bar_expander_add_cb), bar);
 456                 g_object_set_data(G_OBJECT(item), "pane_add_id", const_cast<gchar *>(pane->id));
 457                 pane++;
 458                 }
 459
 460         gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
 461 }
 462
 463
 464 static gboolean bar_menu_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer)
 465 {
 466         if (bevent->button == MOUSE_BUTTON_RIGHT)
 467                 {
 468                 bar_menu_popup(widget);
 469                 return TRUE;
 470                 }
 471         return FALSE;
 472 }
 473
 474 static void bar_expander_cb(GObject *object, GParamSpec *, gpointer)
 475 {
 476         GtkExpander *expander;
 477         GtkWidget *child;
 478
 479         expander = GTK_EXPANDER(object);
 480         child = gtk_bin_get_child(GTK_BIN(expander));
 481
 482         if (gtk_expander_get_expanded(expander))
 483                 {
 484                 gq_gtk_widget_show_all(child);
 485                 }
 486         else
 487                 {
 488                 gtk_widget_hide(child);
 489                 }
 490 }
 491
 492 static gboolean bar_menu_add_cb(GtkWidget *widget, GdkEventButton *, gpointer)
 493 {
 494         bar_menu_add_popup(widget);
 495         return TRUE;
 496 }
 497
 498
 499 static void bar_pane_set_fd_cb(GtkWidget *expander, gpointer data)
 500 {
 501         GtkWidget *widget = gtk_bin_get_child(GTK_BIN(expander));
 502         auto pd = static_cast<PaneData *>(g_object_get_data(G_OBJECT(widget), "pane_data"));
 503         if (!pd) return;
 504         if (pd->pane_set_fd) pd->pane_set_fd(widget, static_cast<FileData *>(data));
 505 }
 506
 507 void bar_set_fd(GtkWidget *bar, FileData *fd)
 508 {
 509         BarData *bd;
 510         bd = static_cast<BarData *>(g_object_get_data(G_OBJECT(bar), "bar_data"));
 511         if (!bd) return;
 512
 513         file_data_unref(bd->fd);
 514         bd->fd = file_data_ref(fd);
 515
 516         gtk_container_foreach(GTK_CONTAINER(bd->vbox), bar_pane_set_fd_cb, fd);
 517
 518         gtk_label_set_text(GTK_LABEL(bd->label_file_name), (bd->fd) ? bd->fd->name : "");
 519
 520 }
 521
 522 static void bar_pane_notify_selection_cb(GtkWidget *expander, gpointer data)
 523 {
 524         GtkWidget *widget = gtk_bin_get_child(GTK_BIN(expander));
 525         auto pd = static_cast<PaneData *>(g_object_get_data(G_OBJECT(widget), "pane_data"));
 526         if (!pd) return;
 527         if (pd->pane_notify_selection) pd->pane_notify_selection(widget, GPOINTER_TO_INT(data));
 528 }
 529
 530 void bar_notify_selection(GtkWidget *bar, gint count)
 531 {
 532         BarData *bd;
 533         bd = static_cast<BarData *>(g_object_get_data(G_OBJECT(bar), "bar_data"));
 534         if (!bd) return;
 535
 536         gtk_container_foreach(GTK_CONTAINER(bd->vbox), bar_pane_notify_selection_cb, GINT_TO_POINTER(count));
 537 }
 538
 539 gboolean bar_event(GtkWidget *bar, GdkEvent *event)
 540 {
 541         BarData *bd;
 542         GList *list;
 543         GList *work;
 544         gboolean ret = FALSE;
 545
 546         bd = static_cast<BarData *>(g_object_get_data(G_OBJECT(bar), "bar_data"));
 547         if (!bd) return FALSE;
 548
 549         list = gtk_container_get_children(GTK_CONTAINER(bd->vbox));
 550
 551         work = list;
 552         while (work)
 553                 {
 554                 GtkWidget *widget = gtk_bin_get_child(GTK_BIN(work->data));
 555                 auto pd = static_cast<PaneData *>(g_object_get_data(G_OBJECT(widget), "pane_data"));
 556                 if (!pd) continue;
 557
 558                 if (pd->pane_event && pd->pane_event(widget, event))
 559                         {
 560                         ret = TRUE;
 561                         break;
 562                         }
 563                 work = work->next;
 564                 }
 565         g_list_free(list);
 566         return ret;
 567 }
 568
 569 GtkWidget *bar_find_pane_by_id(GtkWidget *bar, PaneType type, const gchar *id)
 570 {
 571         BarData *bd;
 572         GList *list;
 573         GList *work;
 574         GtkWidget *ret = nullptr;
 575
 576         if (!id || !id[0]) return nullptr;
 577
 578         bd = static_cast<BarData *>(g_object_get_data(G_OBJECT(bar), "bar_data"));
 579         if (!bd) return nullptr;
 580
 581         list = gtk_container_get_children(GTK_CONTAINER(bd->vbox));
 582
 583         work = list;
 584         while (work)
 585                 {
 586                 GtkWidget *widget = gtk_bin_get_child(GTK_BIN(work->data));
 587                 auto pd = static_cast<PaneData *>(g_object_get_data(G_OBJECT(widget), "pane_data"));
 588                 if (!pd) continue;
 589
 590                 if (type == pd->type && strcmp(id, pd->id) == 0)
 591                         {
 592                         ret = widget;
 593                         break;
 594                         }
 595                 work = work->next;
 596                 }
 597         g_list_free(list);
 598         return ret;
 599 }
 600
 601 void bar_clear(GtkWidget *bar)
 602 {
 603         BarData *bd;
 604         GList *list;
 605
 606         bd = static_cast<BarData *>(g_object_get_data(G_OBJECT(bar), "bar_data"));
 607         if (!bd) return;
 608
 609         list = gtk_container_get_children(GTK_CONTAINER(bd->vbox));
 610
 611         g_list_free_full(list, reinterpret_cast<GDestroyNotify>(remove_child_from_parent));
 612 }
 613
 614 void bar_write_config(GtkWidget *bar, GString *outstr, gint indent)
 615 {
 616         BarData *bd;
 617         GList *list;
 618         GList *work;
 619
 620         if (!bar) return;
 621
 622         bd = static_cast<BarData *>(g_object_get_data(G_OBJECT(bar), "bar_data"));
 623         if (!bd) return;
 624
 625         WRITE_NL(); WRITE_STRING("<bar ");
 626         write_bool_option(outstr, indent, "enabled", gtk_widget_get_visible(bar));
 627         write_uint_option(outstr, indent, "width", bd->width);
 628         WRITE_STRING(">");
 629
 630         indent++;
 631         WRITE_NL(); WRITE_STRING("<clear/>");
 632
 633         list = gtk_container_get_children(GTK_CONTAINER(bd->vbox));
 634         work = list;
 635         while (work)
 636                 {
 637                 auto expander = static_cast<GtkWidget *>(work->data);
 638                 GtkWidget *widget = gtk_bin_get_child(GTK_BIN(expander));
 639                 auto pd = static_cast<PaneData *>(g_object_get_data(G_OBJECT(widget), "pane_data"));
 640                 if (!pd) continue;
 641
 642                 pd->expanded = gtk_expander_get_expanded(GTK_EXPANDER(expander));
 643
 644                 if (pd->pane_write_config)
 645                         pd->pane_write_config(widget, outstr, indent);
 646
 647                 work = work->next;
 648                 }
 649         g_list_free(list);
 650         indent--;
 651         WRITE_NL(); WRITE_STRING("</bar>");
 652 }
 653
 654 void bar_update_expander(GtkWidget *pane)
 655 {
 656         auto pd = static_cast<PaneData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 657         GtkWidget *expander;
 658
 659         if (!pd) return;
 660
 661         expander = gtk_widget_get_parent(pane);
 662
 663         gtk_expander_set_expanded(GTK_EXPANDER(expander), pd->expanded);
 664 }
 665
 666 void bar_add(GtkWidget *bar, GtkWidget *pane)
 667 {
 668         GtkWidget *expander;
 669         auto bd = static_cast<BarData *>(g_object_get_data(G_OBJECT(bar), "bar_data"));
 670         auto pd = static_cast<PaneData *>(g_object_get_data(G_OBJECT(pane), "pane_data"));
 671
 672         if (!bd) return;
 673
 674         pd->lw = bd->lw;
 675         pd->bar = bar;
 676
 677         expander = gtk_expander_new(nullptr);
 678         DEBUG_NAME(expander);
 679         if (pd && pd->title)
 680                 {
 681                 gtk_expander_set_label_widget(GTK_EXPANDER(expander), pd->title);
 682                 gtk_widget_show(pd->title);
 683                 }
 684
 685         gq_gtk_box_pack_start(GTK_BOX(bd->vbox), expander, FALSE, TRUE, 0);
 686
 687         g_signal_connect(expander, "button_release_event", G_CALLBACK(bar_menu_cb), bd);
 688         g_signal_connect(expander, "notify::expanded", G_CALLBACK(bar_expander_cb), pd);
 689
 690         gq_gtk_container_add(GTK_WIDGET(expander), pane);
 691
 692         gtk_expander_set_expanded(GTK_EXPANDER(expander), pd->expanded);
 693
 694         gtk_widget_show(expander);
 695
 696         if (bd->fd && pd && pd->pane_set_fd) pd->pane_set_fd(pane, bd->fd);
 697
 698 }
 699
 700 void bar_populate_default(GtkWidget *)
 701 {
 702         const gchar *populate_id[] = {"histogram", "title", "keywords", "comment", "rating", "exif", nullptr};
 703         const gchar **id = populate_id;
 704
 705         while (*id)
 706                 {
 707                 const gchar *config = bar_pane_get_default_config(*id);
 708                 if (config) load_config_from_buf(config, strlen(config), FALSE);
 709                 id++;
 710                 }
 711 }
 712
 713 static void bar_size_allocate(GtkWidget *, GtkAllocation *, gpointer data)
 714 {
 715         auto bd = static_cast<BarData *>(data);
 716
 717         bd->width = gtk_paned_get_position(GTK_PANED(bd->lw->utility_paned));
 718 }
 719
 720 #pragma GCC diagnostic push
 721 #pragma GCC diagnostic ignored "-Wunused-function"
 722 gint bar_get_width_unused(GtkWidget *bar)
 723 {
 724         BarData *bd;
 725
 726         bd = static_cast<BarData *>(g_object_get_data(G_OBJECT(bar), "bar_data"));
 727         if (!bd) return 0;
 728
 729         return bd->width;
 730 }
 731 #pragma GCC diagnostic pop
 732
 733 void bar_close(GtkWidget *bar)
 734 {
 735         BarData *bd;
 736
 737         bd = static_cast<BarData *>(g_object_get_data(G_OBJECT(bar), "bar_data"));
 738         if (!bd) return;
 739
 740         /* @FIXME This causes a g_object_unref failed error on exit */
 741         gq_gtk_widget_destroy(bd->widget);
 742 }
 743
 744 static void bar_destroy(GtkWidget *, gpointer data)
 745 {
 746         auto bd = static_cast<BarData *>(data);
 747
 748         file_data_unref(bd->fd);
 749         g_free(bd);
 750 }
 751
 752 #if HAVE_LIBCHAMPLAIN_GTK
 753 /**
 754    @FIXME this is an ugly hack that works around this bug:
 755    https://bugzilla.gnome.org/show_bug.cgi?id=590692
 756    http://bugzilla.openedhand.com/show_bug.cgi?id=1751
 757    it should be removed as soon as a better solution exists
 758 */
 759
 760 static void bar_unrealize_clutter_fix_cb(GtkWidget *widget, gpointer)
 761 {
 762         GtkWidget *child = gtk_bin_get_child(GTK_BIN(widget));
 763         if (child) gtk_widget_unrealize(child);
 764 }
 765 #endif
 766
 767 GtkWidget *bar_new(LayoutWindow *lw)
 768 {
 769         BarData *bd;
 770         GtkWidget *box;
 771         GtkWidget *scrolled;
 772         GtkWidget *tbar;
 773         GtkWidget *add_box;
 774
 775         bd = g_new0(BarData, 1);
 776
 777         bd->lw = lw;
 778
 779         bd->widget = gtk_box_new(GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
 780         DEBUG_NAME(bd->widget);
 781         g_object_set_data(G_OBJECT(bd->widget), "bar_data", bd);
 782         g_signal_connect(G_OBJECT(bd->widget), "destroy",
 783                          G_CALLBACK(bar_destroy), bd);
 784
 785         g_signal_connect(G_OBJECT(bd->widget), "size-allocate",
 786                          G_CALLBACK(bar_size_allocate), bd);
 787
 788         g_signal_connect(G_OBJECT(bd->widget), "button_release_event", G_CALLBACK(bar_menu_cb), bd);
 789
 790         bd->width = SIDEBAR_DEFAULT_WIDTH;
 791
 792         box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 793         DEBUG_NAME(box);
 794
 795         bd->label_file_name = gtk_label_new("");
 796         gtk_label_set_ellipsize(GTK_LABEL(bd->label_file_name), PANGO_ELLIPSIZE_END);
 797         gtk_label_set_selectable(GTK_LABEL(bd->label_file_name), TRUE);
 798         gtk_label_set_xalign(GTK_LABEL(bd->label_file_name), 0.5);
 799         gtk_label_set_yalign(GTK_LABEL(bd->label_file_name), 0.5);
 800
 801         gq_gtk_box_pack_start(GTK_BOX(box), bd->label_file_name, TRUE, TRUE, 0);
 802         gtk_widget_show(bd->label_file_name);
 803
 804         gq_gtk_box_pack_start(GTK_BOX(bd->widget), box, FALSE, FALSE, 0);
 805         gtk_widget_show(box);
 806
 807         scrolled = gq_gtk_scrolled_window_new(nullptr, nullptr);
 808         DEBUG_NAME(scrolled);
 809         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
 810                 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 811         gq_gtk_box_pack_start(GTK_BOX(bd->widget), scrolled, TRUE, TRUE, 0);
 812         gtk_widget_show(scrolled);
 813
 814
 815         bd->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 816         gq_gtk_container_add(GTK_WIDGET(scrolled), bd->vbox);
 817         gtk_viewport_set_shadow_type(GTK_VIEWPORT(gtk_bin_get_child(GTK_BIN(scrolled))), GTK_SHADOW_NONE);
 818
 819         add_box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 820         DEBUG_NAME(add_box);
 821         gq_gtk_box_pack_end(GTK_BOX(bd->widget), add_box, FALSE, FALSE, 0);
 822         tbar = pref_toolbar_new(add_box);
 823         bd->add_button = pref_toolbar_button(tbar, GQ_ICON_ADD, _("Add"), FALSE,
 824                                              _("Add Pane"), G_CALLBACK(bar_menu_add_cb), bd);
 825         gtk_widget_show(add_box);
 826
 827 #if HAVE_LIBCHAMPLAIN_GTK
 828         g_signal_connect(G_OBJECT(gtk_bin_get_child(GTK_BIN(scrolled))), "unrealize", G_CALLBACK(bar_unrealize_clutter_fix_cb), NULL);
 829 #endif
 830
 831         gq_gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_NONE);
 832         gtk_widget_show(bd->vbox);
 833         return bd->widget;
 834 }
 835
 836
 837 GtkWidget *bar_update_from_config(GtkWidget *bar, const gchar **attribute_names, const gchar **attribute_values, LayoutWindow *lw, gboolean startup)
 838 {
 839         gboolean enabled = TRUE;
 840         gint width = SIDEBAR_DEFAULT_WIDTH;
 841
 842         while (*attribute_names)
 843                 {
 844                 const gchar *option = *attribute_names++;
 845                 const gchar *value = *attribute_values++;
 846
 847                 if (READ_BOOL_FULL("enabled", enabled)) continue;
 848                 if (READ_INT_FULL("width", width)) continue;
 849
 850
 851                 log_printf("unknown attribute %s = %s\n", option, value);
 852                 }
 853
 854         if (startup)
 855                 {
 856                 gtk_paned_set_position(GTK_PANED(lw->utility_paned), width);
 857                 }
 858
 859         if (enabled)
 860                 {
 861                 gtk_widget_show(bar);
 862                 }
 863         else
 864                 {
 865                 gtk_widget_hide(bar);
 866                 }
 867         return bar;
 868 }
 869
 870 GtkWidget *bar_new_from_config(LayoutWindow *lw, const gchar **attribute_names, const gchar **attribute_values)
 871 {
 872         GtkWidget *bar = bar_new(lw);
 873         return bar_update_from_config(bar, attribute_names, attribute_values, lw, TRUE);
 874 }
 875
 876 GtkWidget *bar_pane_expander_title(const gchar *title)
 877 {
 878         GtkWidget *widget = gtk_label_new(title);
 879
 880         pref_label_bold(widget, TRUE, FALSE);
 881         gtk_label_set_ellipsize(GTK_LABEL(widget), PANGO_ELLIPSIZE_END);
 882
 883         return widget;
 884 }
 885
 886 gboolean bar_pane_translate_title(PaneType type, const gchar *id, gchar **title)
 887 {
 888         const KnownPanes *pane = known_panes;
 889
 890         if (!title) return FALSE;
 891         while (pane->id)
 892                 {
 893                 if (pane->type == type && strcmp(pane->id, id) == 0) break;
 894                 pane++;
 895                 }
 896         if (!pane->id) return FALSE;
 897
 898         if (*title && **title && strcmp(pane->title, *title) != 0) return FALSE;
 899
 900         g_free(*title);
 901         *title = g_strdup(_(pane->title));
 902         return TRUE;
 903 }
 904
 905 static const gchar *bar_pane_get_default_config(const gchar *id)
 906 {
 907         const KnownPanes *pane = known_panes;
 908
 909         while (pane->id)
 910                 {
 911                 if (strcmp(pane->id, id) == 0) break;
 912                 pane++;
 913                 }
 914         if (!pane->id) return nullptr;
 915         return pane->config;
 916 }
 917
 918 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */