src/bar.c

   1 /*
   2  * Geeqie
   3  * (C) 2004 John Ellis
   4  * Copyright (C) 2008 - 2009 The Geeqie Team
   5  *
   6  * Author: Vladimir Nadvornik
   7  *
   8  * This software is released under the GNU General Public License (GNU GPL).
   9  * Please read the included file COPYING for more information.
  10  * This software comes with no warranty of any kind, use at your own risk!
  11  */
  12
  13
  14 #include "main.h"
  15 #include "bar.h"
  16
  17 #include "filedata.h"
  18 #include "history_list.h"
  19 #include "metadata.h"
  20 #include "misc.h"
  21 #include "ui_fileops.h"
  22 #include "ui_misc.h"
  23 #include "ui_utildlg.h"
  24
  25 #include "ui_menu.h"
  26 #include "bar_comment.h"
  27 #include "bar_keywords.h"
  28 #include "bar_exif.h"
  29 #include "bar_histogram.h"
  30 #include "histogram.h"
  31 #include "rcfile.h"
  32
  33 //#define BAR_SIZE_INCREMENT 48
  34 //#define BAR_ARROW_SIZE 7
  35
  36
  37 typedef struct _BarData BarData;
  38 struct _BarData
  39 {
  40         GtkWidget *widget;
  41         GtkWidget *vbox;
  42         FileData *fd;
  43         GtkWidget *label_file_name;
  44
  45         GList *(*list_func)(gpointer);
  46         gpointer list_data;
  47         gint width;
  48 };
  49
  50 static void bar_expander_move(GtkWidget *widget, gpointer data, gboolean up)
  51 {
  52         GtkWidget *expander = data;
  53         GtkWidget *box;
  54         gint pos;
  55         if (!expander) return;
  56         box = gtk_widget_get_ancestor(expander, GTK_TYPE_BOX);
  57         if (!box) return;
  58
  59         gtk_container_child_get(GTK_CONTAINER(box), expander, "position", &pos, NULL);
  60
  61         pos = up ? (pos - 1) : (pos + 1);
  62         if (pos < 0) pos = 0;
  63
  64         gtk_box_reorder_child(GTK_BOX(box), expander, pos);
  65 }
  66
  67
  68 static void bar_expander_move_up_cb(GtkWidget *widget, gpointer data)
  69 {
  70         bar_expander_move(widget, data, TRUE);
  71 }
  72
  73 static void bar_expander_move_down_cb(GtkWidget *widget, gpointer data)
  74 {
  75         bar_expander_move(widget, data, FALSE);
  76 }
  77
  78
  79 static void bar_expander_menu_popup(GtkWidget *data)
  80 {
  81         GtkWidget *menu;
  82
  83         menu = popup_menu_short_lived();
  84
  85         menu_item_add_stock(menu, _("Move _up"), GTK_STOCK_GO_UP, G_CALLBACK(bar_expander_move_up_cb), data);
  86         menu_item_add_stock(menu, _("Move _down"), GTK_STOCK_GO_DOWN, G_CALLBACK(bar_expander_move_down_cb), data);
  87         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, data, 0, GDK_CURRENT_TIME);
  88 }
  89
  90
  91 static gboolean bar_expander_menu_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
  92 {
  93         if (bevent->button == MOUSE_BUTTON_RIGHT)
  94                 {
  95                 bar_expander_menu_popup(widget);
  96                 return TRUE;
  97                 }
  98         return FALSE;
  99 }
 100
 101
 102 void bar_pane_set_fd_cb(GtkWidget *expander, gpointer data)
 103 {
 104         GtkWidget *widget = gtk_bin_get_child(GTK_BIN(expander));
 105         PaneData *pd = g_object_get_data(G_OBJECT(widget), "pane_data");
 106         if (!pd) return;
 107         if (pd->pane_set_fd) pd->pane_set_fd(widget, data);
 108 }
 109
 110 void bar_set_fd(GtkWidget *bar, FileData *fd)
 111 {
 112         BarData *bd;
 113         bd = g_object_get_data(G_OBJECT(bar), "bar_data");
 114         if (!bd) return;
 115
 116         file_data_unref(bd->fd);
 117         bd->fd = file_data_ref(fd);
 118
 119         gtk_container_foreach(GTK_CONTAINER(bd->vbox), bar_pane_set_fd_cb, fd);
 120
 121         gtk_label_set_text(GTK_LABEL(bd->label_file_name), (bd->fd) ? bd->fd->name : "");
 122
 123 }
 124
 125 gint bar_event(GtkWidget *bar, GdkEvent *event)
 126 {
 127         BarData *bd;
 128         GList *list, *work;
 129         gint ret = FALSE;
 130         bd = g_object_get_data(G_OBJECT(bar), "bar_data");
 131         if (!bd) return FALSE;
 132
 133         list = gtk_container_get_children(GTK_CONTAINER(bd->vbox));
 134
 135         work = list;
 136         while (work)
 137                 {
 138                 GtkWidget *widget = gtk_bin_get_child(GTK_BIN(work->data));
 139                 PaneData *pd = g_object_get_data(G_OBJECT(widget), "pane_data");
 140                 if (!pd) continue;
 141
 142                 if (pd->pane_event && pd->pane_event(widget, event))
 143                         {
 144                         ret = TRUE;
 145                         break;
 146                         }
 147                 work = work->next;
 148                 }
 149         g_list_free(list);
 150         return ret;
 151 }
 152
 153 void bar_write_config(GtkWidget *bar, GString *outstr, gint indent)
 154 {
 155         BarData *bd;
 156         GList *list, *work;
 157         if (!bar) return;
 158         bd = g_object_get_data(G_OBJECT(bar), "bar_data");
 159         if (!bd) return;
 160
 161         WRITE_STRING("<bar\n");
 162         indent++;
 163         write_bool_option(outstr, indent, "enabled", GTK_WIDGET_VISIBLE(bar));
 164         write_uint_option(outstr, indent, "width", bd->width);
 165         indent--;
 166         WRITE_STRING(">\n");
 167
 168         list = gtk_container_get_children(GTK_CONTAINER(bd->vbox));
 169         work = list;
 170         while (work)
 171                 {
 172                 GtkWidget *expander = work->data;
 173                 GtkWidget *widget = gtk_bin_get_child(GTK_BIN(expander));
 174                 PaneData *pd = g_object_get_data(G_OBJECT(widget), "pane_data");
 175                 if (!pd) continue;
 176
 177                 pd->expanded = gtk_expander_get_expanded(GTK_EXPANDER(expander));
 178
 179                 if (pd->pane_write_config)
 180                         pd->pane_write_config(widget, outstr, indent + 1);
 181
 182                 work = work->next;
 183                 }
 184         g_list_free(list);
 185
 186         WRITE_STRING("</bar>\n");
 187 }
 188
 189
 190 void bar_pane_set_selection_func(GtkWidget *pane, GList *(*list_func)(gpointer data), gpointer data)
 191 {
 192         PaneData *pd;
 193
 194         pd = g_object_get_data(G_OBJECT(pane), "pane_data");
 195         if (!pd) return;
 196
 197         pd->list_func = list_func;
 198         pd->list_data = data;
 199 }
 200
 201 void bar_set_selection_func(GtkWidget *bar, GList *(*list_func)(gpointer data), gpointer data)
 202 {
 203         BarData *bd;
 204         GList *list, *work;
 205         bd = g_object_get_data(G_OBJECT(bar), "bar_data");
 206         if (!bd) return;
 207
 208         bd->list_func = list_func;
 209         bd->list_data = data;
 210
 211         list = gtk_container_get_children(GTK_CONTAINER(bd->vbox));
 212
 213         work = list;
 214         while (work)
 215                 {
 216                 GtkWidget *widget = gtk_bin_get_child(GTK_BIN(work->data));
 217
 218                 bar_pane_set_selection_func(widget, list_func, data);
 219
 220                 work = work->next;
 221                 }
 222         g_list_free(list);
 223         return;
 224 }
 225
 226 void bar_add(GtkWidget *bar, GtkWidget *pane)
 227 {
 228         GtkWidget *expander;
 229         BarData *bd = g_object_get_data(G_OBJECT(bar), "bar_data");
 230         PaneData *pd = g_object_get_data(G_OBJECT(pane), "pane_data");
 231
 232
 233         if (!bd) return;
 234
 235         expander = gtk_expander_new(NULL);
 236         if (pd && pd->title)
 237                 {
 238                 gtk_expander_set_label_widget(GTK_EXPANDER(expander), pd->title);
 239                 gtk_widget_show(pd->title);
 240                 pref_label_bold(pd->title, TRUE, FALSE);
 241                 }
 242
 243         gtk_box_pack_start(GTK_BOX(bd->vbox), expander, FALSE, TRUE, 0);
 244
 245         g_signal_connect(expander, "button_press_event", G_CALLBACK(bar_expander_menu_cb), bd);
 246
 247         gtk_container_add(GTK_CONTAINER(expander), pane);
 248
 249         gtk_expander_set_expanded(GTK_EXPANDER(expander), pd->expanded);
 250
 251         gtk_widget_show(expander);
 252
 253         if (bd->list_func) bar_pane_set_selection_func(pane, bd->list_func, bd->list_data);
 254         if (bd->fd && pd && pd->pane_set_fd) pd->pane_set_fd(pane, bd->fd);
 255
 256 }
 257
 258 static void bar_populate_default(GtkWidget *bar)
 259 {
 260         GtkWidget *widget;
 261         widget = bar_pane_histogram_new(_("Histogram"), 80, TRUE, HCHAN_RGB, 0);
 262         bar_add(bar, widget);
 263
 264         widget = bar_pane_comment_new(_("Title"), "Xmp.dc.title", TRUE, 40);
 265         bar_add(bar, widget);
 266
 267         widget = bar_pane_keywords_new(_("Keywords"), KEYWORD_KEY, TRUE);
 268         bar_add(bar, widget);
 269
 270         widget = bar_pane_comment_new(_("Comment"), "Xmp.dc.description", TRUE, 150);
 271         bar_add(bar, widget);
 272
 273         widget = bar_pane_exif_new(_("Exif"), TRUE, TRUE);
 274         bar_add(bar, widget);
 275 }
 276
 277 static void bar_size_allocate(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
 278 {
 279         BarData *bd = data;
 280
 281         bd->width = allocation->width;
 282 }
 283
 284 gint bar_get_width(GtkWidget *bar)
 285 {
 286         BarData *bd = g_object_get_data(G_OBJECT(bar), "bar_data");
 287         if (!bd) return 0;
 288         return bd->width;
 289 }
 290
 291 void bar_close(GtkWidget *bar)
 292 {
 293         BarData *bd;
 294
 295         bd = g_object_get_data(G_OBJECT(bar), "bar_data");
 296         if (!bd) return;
 297
 298         gtk_widget_destroy(bd->widget);
 299 }
 300
 301 static void bar_destroy(GtkWidget *widget, gpointer data)
 302 {
 303         BarData *bd = data;
 304
 305         file_data_unref(bd->fd);
 306         g_free(bd);
 307 }
 308
 309 GtkWidget *bar_new(GtkWidget *bounding_widget)
 310 {
 311         BarData *bd;
 312         GtkWidget *box;
 313         GtkWidget *sizer;
 314         GtkWidget *button;
 315         GtkWidget *arrow;
 316         GtkWidget *scrolled;
 317
 318         bd = g_new0(BarData, 1);
 319
 320         bd->widget = gtk_vbox_new(FALSE, PREF_PAD_GAP);
 321         g_object_set_data(G_OBJECT(bd->widget), "bar_data", bd);
 322         g_signal_connect(G_OBJECT(bd->widget), "destroy",
 323                          G_CALLBACK(bar_destroy), bd);
 324
 325         g_signal_connect(G_OBJECT(bd->widget), "size-allocate",
 326                          G_CALLBACK(bar_size_allocate), bd);
 327
 328         bd->width = SIDEBAR_DEFAULT_WIDTH;
 329         gtk_widget_set_size_request(bd->widget, bd->width, -1);
 330
 331         box = gtk_hbox_new(FALSE, 0);
 332
 333         bd->label_file_name = gtk_label_new("");
 334         gtk_label_set_ellipsize(GTK_LABEL(bd->label_file_name), PANGO_ELLIPSIZE_END);
 335         gtk_label_set_selectable(GTK_LABEL(bd->label_file_name), TRUE);
 336         gtk_misc_set_alignment(GTK_MISC(bd->label_file_name), 0.5, 0.5);
 337         gtk_box_pack_start(GTK_BOX(box), bd->label_file_name, TRUE, TRUE, 0);
 338         gtk_widget_show(bd->label_file_name);
 339
 340         gtk_box_pack_start(GTK_BOX(bd->widget), box, FALSE, FALSE, 0);
 341         gtk_widget_show(box);
 342
 343         scrolled = gtk_scrolled_window_new(NULL, NULL);
 344         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
 345                 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
 346         gtk_box_pack_start(GTK_BOX(bd->widget), scrolled, TRUE, TRUE, 0);
 347         gtk_widget_show(scrolled);
 348
 349
 350         bd->vbox = gtk_vbox_new(FALSE, 0);
 351         gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scrolled), bd->vbox);
 352         gtk_viewport_set_shadow_type(GTK_VIEWPORT(gtk_bin_get_child(GTK_BIN(scrolled))), GTK_SHADOW_NONE);
 353
 354         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_NONE);
 355         gtk_widget_show(bd->vbox);
 356         return bd->widget;
 357 }
 358
 359 GtkWidget *bar_new_default(GtkWidget *bounding_widget)
 360 {
 361         GtkWidget *bar = bar_new(bounding_widget);
 362
 363         bar_populate_default(bar);
 364
 365         gtk_widget_show(bar);
 366
 367         return bar;
 368 }
 369
 370 GtkWidget *bar_new_from_config(GtkWidget *bounding_widget, const gchar **attribute_names, const gchar **attribute_values)
 371 {
 372         GtkWidget *bar = bar_new(bounding_widget);
 373
 374         gboolean enabled = TRUE;
 375         gint width = SIDEBAR_DEFAULT_WIDTH;
 376
 377         while (*attribute_names)
 378                 {
 379                 const gchar *option = *attribute_names++;
 380                 const gchar *value = *attribute_values++;
 381
 382                 if (READ_BOOL_FULL("enabled", enabled)) continue;
 383                 if (READ_INT_FULL("width", width)) continue;
 384
 385
 386                 DEBUG_1("unknown attribute %s = %s", option, value);
 387                 }
 388
 389         gtk_widget_set_size_request(bar, width, -1);
 390         if (enabled) gtk_widget_show(bar);
 391         return bar;
 392 }
 393
 394
 395 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */