src/layout-config.cc

   1 /*
   2  * Copyright (C) 2004 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: John Ellis
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "main.h"
  23 #include "layout-config.h"
  24
  25 #include "ui-misc.h"
  26
  27
  28 enum {
  29         COLUMN_TEXT = 0,
  30         COLUMN_KEY
  31 };
  32
  33
  34 struct LayoutStyle
  35 {
  36         LayoutLocation a, b, c;
  37 };
  38
  39 struct LayoutConfig
  40 {
  41         GtkWidget *box;
  42
  43         GList *style_widgets;
  44
  45         GtkWidget *listview;
  46
  47         gint style;
  48         gint a, b, c;
  49 };
  50
  51
  52 static LayoutStyle layout_config_styles[] = {
  53         /* 1, 2, 3 */
  54         { static_cast<LayoutLocation>(LAYOUT_LEFT | LAYOUT_TOP), static_cast<LayoutLocation>(LAYOUT_LEFT | LAYOUT_BOTTOM), LAYOUT_RIGHT },
  55         { static_cast<LayoutLocation>(LAYOUT_LEFT | LAYOUT_TOP), static_cast<LayoutLocation>(LAYOUT_RIGHT | LAYOUT_TOP), LAYOUT_BOTTOM },
  56         { LAYOUT_LEFT, static_cast<LayoutLocation>(LAYOUT_RIGHT | LAYOUT_TOP), static_cast<LayoutLocation>(LAYOUT_RIGHT | LAYOUT_BOTTOM) },
  57         { LAYOUT_TOP, static_cast<LayoutLocation>(LAYOUT_LEFT | LAYOUT_BOTTOM), static_cast<LayoutLocation>(LAYOUT_RIGHT | LAYOUT_BOTTOM) }
  58 };
  59
  60 static gint layout_config_style_count = sizeof(layout_config_styles) / sizeof(LayoutStyle);
  61
  62 static const gchar *layout_titles[] = { N_("Tools"), N_("Files"), N_("Image") };
  63
  64
  65 static void layout_config_destroy(GtkWidget *, gpointer data)
  66 {
  67         auto lc = static_cast<LayoutConfig *>(data);
  68
  69         g_list_free(lc->style_widgets);
  70         g_free(lc);
  71 }
  72
  73 static void layout_config_set_order(LayoutLocation l, gint n,
  74                                     LayoutLocation *a, LayoutLocation *b, LayoutLocation *c)
  75 {
  76         switch (n)
  77                 {
  78                 case 0:
  79                         *a = l;
  80                         break;
  81                 case 1:
  82                         *b = l;
  83                         break;
  84                 case 2: default:
  85                         *c = l;
  86                         break;
  87                 }
  88 }
  89
  90 static void layout_config_from_data(gint style, gint oa, gint ob, gint oc,
  91                                     LayoutLocation *la, LayoutLocation *lb, LayoutLocation *lc)
  92 {
  93         LayoutStyle ls;
  94
  95         style = CLAMP(style, 0, layout_config_style_count);
  96
  97         ls = layout_config_styles[style];
  98
  99         layout_config_set_order(ls.a, oa, la, lb, lc);
 100         layout_config_set_order(ls.b, ob, la, lb, lc);
 101         layout_config_set_order(ls.c, oc, la, lb, lc);
 102 }
 103
 104 void layout_config_parse(gint style, const gchar *order,
 105                          LayoutLocation *a, LayoutLocation *b, LayoutLocation *c)
 106 {
 107         gint na, nb, nc;
 108
 109         layout_config_order_from_text(order, &na, &nb, &nc);
 110         layout_config_from_data(style, na, nb, nc, a, b, c);
 111 }
 112
 113 static void layout_config_list_order_set(LayoutConfig *lc, gint src, gint dest)
 114 {
 115         GtkListStore *store;
 116         GtkTreeIter iter;
 117         gboolean valid;
 118         gint n;
 119
 120         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(lc->listview)));
 121
 122         n = 0;
 123         valid = gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter);
 124         while (valid)
 125                 {
 126                 if (n == dest)
 127                         {
 128                         gtk_list_store_set(store, &iter, COLUMN_TEXT, _(layout_titles[src]), COLUMN_KEY, src, -1);
 129                         return;
 130                         }
 131                 n++;
 132                 valid = gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &iter);
 133                 }
 134 }
 135
 136 static gint layout_config_list_order_get(LayoutConfig *lc, gint n)
 137 {
 138         GtkTreeModel *store;
 139         GtkTreeIter iter;
 140         gboolean valid;
 141         gint c = 0;
 142
 143         store = gtk_tree_view_get_model(GTK_TREE_VIEW(lc->listview));
 144
 145         valid = gtk_tree_model_get_iter_first(store, &iter);
 146         while (valid)
 147                 {
 148                 if (c == n)
 149                         {
 150                         gint val;
 151                         gtk_tree_model_get(store, &iter, COLUMN_KEY, &val, -1);
 152                         return val;
 153                         }
 154                 c++;
 155                 valid = gtk_tree_model_iter_next(store, &iter);
 156                 }
 157         return 0;
 158 }
 159
 160 void layout_config_set(GtkWidget *widget, gint style, const gchar *order)
 161 {
 162         LayoutConfig *lc;
 163         GtkWidget *button;
 164         gint a, b, c;
 165
 166         lc = static_cast<LayoutConfig *>(g_object_get_data(G_OBJECT(widget), "layout_config"));
 167
 168         if (!lc) return;
 169
 170         style = CLAMP(style, 0, layout_config_style_count);
 171         button = static_cast<GtkWidget *>(g_list_nth_data(lc->style_widgets, style));
 172         if (!button) return;
 173
 174         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), TRUE);
 175
 176         layout_config_order_from_text(order, &a, &b, &c);
 177
 178         layout_config_list_order_set(lc, a, 0);
 179         layout_config_list_order_set(lc, b, 1);
 180         layout_config_list_order_set(lc, c, 2);
 181 }
 182
 183 gchar *layout_config_get(GtkWidget *widget, gint *style)
 184 {
 185         LayoutConfig *lc;
 186
 187         lc = static_cast<LayoutConfig *>(g_object_get_data(G_OBJECT(widget), "layout_config"));
 188
 189         /* this should not happen */
 190         if (!lc) return nullptr;
 191
 192         *style = lc->style;
 193
 194         lc->a = layout_config_list_order_get(lc, 0);
 195         lc->b = layout_config_list_order_get(lc, 1);
 196         lc->c = layout_config_list_order_get(lc, 2);
 197
 198         return layout_config_order_to_text(lc->a, lc->b, lc->c);
 199 }
 200
 201 static void layout_config_widget_click_cb(GtkWidget *widget, gpointer data)
 202 {
 203         LayoutConfig *lc;
 204
 205         lc = static_cast<LayoutConfig *>(g_object_get_data(G_OBJECT(widget), "layout_config"));
 206
 207         if (lc) lc->style = GPOINTER_TO_INT(data);
 208 }
 209
 210 static void layout_config_table_button(GtkWidget *table, LayoutLocation l, const gchar *text)
 211 {
 212         GtkWidget *button;
 213
 214         gint x1, y1;
 215         gint x2, y2;
 216
 217         x1 = 0;
 218         y1 = 0;
 219         x2 = 2;
 220         y2 = 2;
 221
 222         if (l & LAYOUT_LEFT) x2 = 1;
 223         if (l & LAYOUT_RIGHT) x1 = 1;
 224         if (l & LAYOUT_TOP) y2 = 1;
 225         if (l & LAYOUT_BOTTOM) y1 = 1;
 226
 227         button = gtk_button_new_with_label(text);
 228         gtk_widget_set_sensitive(button, FALSE);
 229         gtk_widget_set_can_focus(button, FALSE);
 230         gtk_table_attach_defaults(GTK_TABLE(table), button, x1, x2, y1, y2);
 231         gtk_widget_show(button);
 232 }
 233
 234 #define LAYOUT_STYLE_SIZE 48
 235
 236 static GtkWidget *layout_config_widget(GtkWidget *group, GtkWidget *box, gint style, LayoutConfig *lc)
 237 {
 238         GtkWidget *table;
 239         LayoutStyle ls;
 240
 241         ls = layout_config_styles[style];
 242
 243         if (group)
 244                 {
 245                 group = gtk_radio_button_new(gtk_radio_button_get_group(GTK_RADIO_BUTTON(group)));
 246                 }
 247         else
 248                 {
 249                 group = gtk_radio_button_new(nullptr);
 250                 }
 251         g_object_set_data(G_OBJECT(group), "layout_config", lc);
 252         g_signal_connect(G_OBJECT(group), "clicked",
 253                          G_CALLBACK(layout_config_widget_click_cb), GINT_TO_POINTER(style));
 254         gtk_box_pack_start(GTK_BOX(box), group, FALSE, FALSE, 0);
 255
 256         table = gtk_table_new(2, 2, TRUE);
 257
 258         layout_config_table_button(table, ls.a, "1");
 259         layout_config_table_button(table, ls.b, "2");
 260         layout_config_table_button(table, ls.c, "3");
 261
 262         gtk_widget_set_size_request(table, LAYOUT_STYLE_SIZE, LAYOUT_STYLE_SIZE);
 263         gtk_container_add(GTK_CONTAINER(group), table);
 264         gtk_widget_show(table);
 265
 266         gtk_widget_show(group);
 267
 268         return group;
 269 }
 270
 271 static void layout_config_number_cb(GtkTreeViewColumn *, GtkCellRenderer *cell,
 272                                     GtkTreeModel *store, GtkTreeIter *iter, gpointer)
 273 {
 274         GtkTreePath *tpath;
 275         gint *indices;
 276         gchar *buf;
 277
 278         tpath = gtk_tree_model_get_path(store, iter);
 279         indices = gtk_tree_path_get_indices(tpath);
 280         buf = g_strdup_printf("%d", indices[0] + 1);
 281         gtk_tree_path_free(tpath);
 282         g_object_set(G_OBJECT(cell), "text", buf, NULL);
 283         g_free(buf);
 284 }
 285
 286 GtkWidget *layout_config_new()
 287 {
 288         LayoutConfig *lc;
 289         GtkWidget *hbox;
 290         GtkWidget *group = nullptr;
 291         GtkWidget *scrolled;
 292         GtkListStore *store;
 293         GtkTreeViewColumn *column;
 294         GtkCellRenderer *renderer;
 295         gint i;
 296
 297         lc = g_new0(LayoutConfig, 1);
 298
 299         lc->box = gtk_box_new(GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
 300         g_object_set_data(G_OBJECT(lc->box), "layout_config", lc);
 301
 302         g_signal_connect(G_OBJECT(lc->box), "destroy",
 303                          G_CALLBACK(layout_config_destroy), lc);
 304
 305         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
 306         gtk_box_pack_start(GTK_BOX(lc->box), hbox, FALSE, FALSE, 0);
 307         for (i = 0; i < layout_config_style_count; i++)
 308                 {
 309                 group = layout_config_widget(group, hbox, i, lc);
 310                 lc->style_widgets = g_list_append(lc->style_widgets, group);
 311                 }
 312         gtk_widget_show(hbox);
 313
 314         scrolled = gtk_scrolled_window_new(nullptr, nullptr);
 315         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
 316         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
 317                                        GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 318         gtk_box_pack_start(GTK_BOX(lc->box), scrolled, FALSE, FALSE, 0);
 319         gtk_widget_show(scrolled);
 320
 321         store = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
 322         lc->listview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
 323         g_object_unref(store);
 324
 325         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(lc->listview), FALSE);
 326         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(lc->listview), FALSE);
 327         gtk_tree_view_set_reorderable(GTK_TREE_VIEW(lc->listview), TRUE);
 328
 329         column = gtk_tree_view_column_new();
 330         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
 331
 332         renderer = gtk_cell_renderer_text_new();
 333         gtk_tree_view_column_pack_start(column, renderer, FALSE);
 334         gtk_tree_view_column_set_cell_data_func(column, renderer, layout_config_number_cb, lc, nullptr);
 335
 336         renderer = gtk_cell_renderer_text_new();
 337         gtk_tree_view_column_pack_start(column, renderer, TRUE);
 338         gtk_tree_view_column_add_attribute(column, renderer, "text", COLUMN_TEXT);
 339
 340         gtk_tree_view_append_column(GTK_TREE_VIEW(lc->listview), column);
 341
 342         for (i = 0; i < 3; i++)
 343                 {
 344                 GtkTreeIter iter;
 345
 346                 gtk_list_store_append(store, &iter);
 347                 gtk_list_store_set(store, &iter, COLUMN_TEXT, _(layout_titles[i]), COLUMN_KEY, i, -1);
 348                 }
 349
 350         gtk_container_add(GTK_CONTAINER(scrolled), lc->listview);
 351         gtk_widget_show(lc->listview);
 352
 353         pref_label_new(lc->box, _("(drag to change order)"));
 354
 355         return lc->box;
 356 }
 357
 358 static gchar num_to_text_char(gint n)
 359 {
 360         switch (n)
 361                 {
 362                 case 1:
 363                         return '2';
 364                         break;
 365                 case 2:
 366                         return '3';
 367                         break;
 368                 }
 369         return '1';
 370 }
 371
 372 gchar *layout_config_order_to_text(gint a, gint b, gint c)
 373 {
 374         gchar *text;
 375
 376         text = g_strdup("   ");
 377
 378         text[0] = num_to_text_char(a);
 379         text[1] = num_to_text_char(b);
 380         text[2] = num_to_text_char(c);
 381
 382         return text;
 383 }
 384
 385 static gint text_char_to_num(const gchar *text, gint n)
 386 {
 387         if (text[n] == '3') return 2;
 388         if (text[n] == '2') return 1;
 389         return 0;
 390 }
 391
 392 void layout_config_order_from_text(const gchar *text, gint *a, gint *b, gint *c)
 393 {
 394         if (!text || strlen(text) < 3)
 395                 {
 396                 *a = 0;
 397                 *b = 1;
 398                 *c = 2;
 399                 }
 400         else
 401                 {
 402                 *a = text_char_to_num(text, 0);
 403                 *b = text_char_to_num(text, 1);
 404                 *c = text_char_to_num(text, 2);
 405                 }
 406 }
 407 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */