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;
 108         gint nb;
 109         gint nc;
 110
 111         layout_config_order_from_text(order, &na, &nb, &nc);
 112         layout_config_from_data(style, na, nb, nc, a, b, c);
 113 }
 114
 115 static void layout_config_list_order_set(LayoutConfig *lc, gint src, gint dest)
 116 {
 117         GtkListStore *store;
 118         GtkTreeIter iter;
 119         gboolean valid;
 120         gint n;
 121
 122         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(lc->listview)));
 123
 124         n = 0;
 125         valid = gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter);
 126         while (valid)
 127                 {
 128                 if (n == dest)
 129                         {
 130                         gtk_list_store_set(store, &iter, COLUMN_TEXT, _(layout_titles[src]), COLUMN_KEY, src, -1);
 131                         return;
 132                         }
 133                 n++;
 134                 valid = gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &iter);
 135                 }
 136 }
 137
 138 static gint layout_config_list_order_get(LayoutConfig *lc, gint n)
 139 {
 140         GtkTreeModel *store;
 141         GtkTreeIter iter;
 142         gboolean valid;
 143         gint c = 0;
 144
 145         store = gtk_tree_view_get_model(GTK_TREE_VIEW(lc->listview));
 146
 147         valid = gtk_tree_model_get_iter_first(store, &iter);
 148         while (valid)
 149                 {
 150                 if (c == n)
 151                         {
 152                         gint val;
 153                         gtk_tree_model_get(store, &iter, COLUMN_KEY, &val, -1);
 154                         return val;
 155                         }
 156                 c++;
 157                 valid = gtk_tree_model_iter_next(store, &iter);
 158                 }
 159         return 0;
 160 }
 161
 162 void layout_config_set(GtkWidget *widget, gint style, const gchar *order)
 163 {
 164         LayoutConfig *lc;
 165         GtkWidget *button;
 166         gint a;
 167         gint b;
 168         gint c;
 169
 170         lc = static_cast<LayoutConfig *>(g_object_get_data(G_OBJECT(widget), "layout_config"));
 171
 172         if (!lc) return;
 173
 174         style = CLAMP(style, 0, layout_config_style_count);
 175         button = static_cast<GtkWidget *>(g_list_nth_data(lc->style_widgets, style));
 176         if (!button) return;
 177
 178         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), TRUE);
 179
 180         layout_config_order_from_text(order, &a, &b, &c);
 181
 182         layout_config_list_order_set(lc, a, 0);
 183         layout_config_list_order_set(lc, b, 1);
 184         layout_config_list_order_set(lc, c, 2);
 185 }
 186
 187 gchar *layout_config_get(GtkWidget *widget, gint *style)
 188 {
 189         LayoutConfig *lc;
 190
 191         lc = static_cast<LayoutConfig *>(g_object_get_data(G_OBJECT(widget), "layout_config"));
 192
 193         /* this should not happen */
 194         if (!lc) return nullptr;
 195
 196         *style = lc->style;
 197
 198         lc->a = layout_config_list_order_get(lc, 0);
 199         lc->b = layout_config_list_order_get(lc, 1);
 200         lc->c = layout_config_list_order_get(lc, 2);
 201
 202         return layout_config_order_to_text(lc->a, lc->b, lc->c);
 203 }
 204
 205 static void layout_config_widget_click_cb(GtkWidget *widget, gpointer data)
 206 {
 207         LayoutConfig *lc;
 208
 209         lc = static_cast<LayoutConfig *>(g_object_get_data(G_OBJECT(widget), "layout_config"));
 210
 211         if (lc) lc->style = GPOINTER_TO_INT(data);
 212 }
 213
 214 static void layout_config_table_button(GtkWidget *table, LayoutLocation l, const gchar *text)
 215 {
 216         GtkWidget *button;
 217
 218         gint x1;
 219         gint y1;
 220         gint x2;
 221         gint y2;
 222
 223         x1 = 0;
 224         y1 = 0;
 225         x2 = 2;
 226         y2 = 2;
 227
 228         if (l & LAYOUT_LEFT) x2 = 1;
 229         if (l & LAYOUT_RIGHT) x1 = 1;
 230         if (l & LAYOUT_TOP) y2 = 1;
 231         if (l & LAYOUT_BOTTOM) y1 = 1;
 232
 233         button = gtk_button_new_with_label(text);
 234         gtk_widget_set_sensitive(button, FALSE);
 235         gtk_widget_set_can_focus(button, FALSE);
 236         gtk_grid_attach(GTK_GRID(table), button, x1, y1, x2 - x1, y2 - y1);
 237         gtk_widget_show(button);
 238 }
 239
 240 enum {
 241         LAYOUT_STYLE_SIZE = 48
 242 };
 243
 244 static GtkWidget *layout_config_widget(GtkWidget *group, GtkWidget *box, gint style, LayoutConfig *lc)
 245 {
 246         GtkWidget *table;
 247         LayoutStyle ls;
 248
 249         ls = layout_config_styles[style];
 250
 251         if (group)
 252                 {
 253 #ifdef HAVE_GTK4
 254                 group = gtk_toggle_button_new();
 255                 gtk_toggle_button_set_group(button, group);
 256 #else
 257                 group = gtk_radio_button_new(gtk_radio_button_get_group(GTK_RADIO_BUTTON(group)));
 258 #endif
 259                 }
 260         else
 261                 {
 262 #ifdef HAVE_GTK4
 263                 group = gtk_toggle_button_new();
 264 #else
 265                 group = gtk_radio_button_new(nullptr);
 266 #endif
 267                 }
 268         g_object_set_data(G_OBJECT(group), "layout_config", lc);
 269         g_signal_connect(G_OBJECT(group), "clicked",
 270                          G_CALLBACK(layout_config_widget_click_cb), GINT_TO_POINTER(style));
 271         gq_gtk_box_pack_start(GTK_BOX(box), group, FALSE, FALSE, 0);
 272
 273         table = gtk_grid_new();
 274
 275         layout_config_table_button(table, ls.a, "1");
 276         layout_config_table_button(table, ls.b, "2");
 277         layout_config_table_button(table, ls.c, "3");
 278
 279         gtk_widget_set_size_request(table, LAYOUT_STYLE_SIZE, LAYOUT_STYLE_SIZE);
 280         gq_gtk_container_add(GTK_WIDGET(group), table);
 281         gtk_widget_show(table);
 282
 283         gtk_widget_show(group);
 284
 285         return group;
 286 }
 287
 288 static void layout_config_number_cb(GtkTreeViewColumn *, GtkCellRenderer *cell,
 289                                     GtkTreeModel *store, GtkTreeIter *iter, gpointer)
 290 {
 291         GtkTreePath *tpath;
 292         gint *indices;
 293         gchar *buf;
 294
 295         tpath = gtk_tree_model_get_path(store, iter);
 296         indices = gtk_tree_path_get_indices(tpath);
 297         buf = g_strdup_printf("%d", indices[0] + 1);
 298         gtk_tree_path_free(tpath);
 299         g_object_set(G_OBJECT(cell), "text", buf, NULL);
 300         g_free(buf);
 301 }
 302
 303 GtkWidget *layout_config_new()
 304 {
 305         LayoutConfig *lc;
 306         GtkWidget *hbox;
 307         GtkWidget *group = nullptr;
 308         GtkWidget *scrolled;
 309         GtkListStore *store;
 310         GtkTreeViewColumn *column;
 311         GtkCellRenderer *renderer;
 312         gint i;
 313
 314         lc = g_new0(LayoutConfig, 1);
 315
 316         lc->box = gtk_box_new(GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
 317         g_object_set_data(G_OBJECT(lc->box), "layout_config", lc);
 318
 319         g_signal_connect(G_OBJECT(lc->box), "destroy",
 320                          G_CALLBACK(layout_config_destroy), lc);
 321
 322         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
 323         gq_gtk_box_pack_start(GTK_BOX(lc->box), hbox, FALSE, FALSE, 0);
 324         for (i = 0; i < layout_config_style_count; i++)
 325                 {
 326                 group = layout_config_widget(group, hbox, i, lc);
 327                 lc->style_widgets = g_list_append(lc->style_widgets, group);
 328                 }
 329         gtk_widget_show(hbox);
 330
 331         scrolled = gq_gtk_scrolled_window_new(nullptr, nullptr);
 332         gq_gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
 333         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
 334                                        GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 335         gq_gtk_box_pack_start(GTK_BOX(lc->box), scrolled, FALSE, FALSE, 0);
 336         gtk_widget_show(scrolled);
 337
 338         store = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
 339         lc->listview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
 340         g_object_unref(store);
 341
 342         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(lc->listview), FALSE);
 343         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(lc->listview), FALSE);
 344         gtk_tree_view_set_reorderable(GTK_TREE_VIEW(lc->listview), TRUE);
 345
 346         column = gtk_tree_view_column_new();
 347         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
 348
 349         renderer = gtk_cell_renderer_text_new();
 350         gtk_tree_view_column_pack_start(column, renderer, FALSE);
 351         gtk_tree_view_column_set_cell_data_func(column, renderer, layout_config_number_cb, lc, nullptr);
 352
 353         renderer = gtk_cell_renderer_text_new();
 354         gtk_tree_view_column_pack_start(column, renderer, TRUE);
 355         gtk_tree_view_column_add_attribute(column, renderer, "text", COLUMN_TEXT);
 356
 357         gtk_tree_view_append_column(GTK_TREE_VIEW(lc->listview), column);
 358
 359         for (i = 0; i < 3; i++)
 360                 {
 361                 GtkTreeIter iter;
 362
 363                 gtk_list_store_append(store, &iter);
 364                 gtk_list_store_set(store, &iter, COLUMN_TEXT, _(layout_titles[i]), COLUMN_KEY, i, -1);
 365                 }
 366
 367         gq_gtk_container_add(GTK_WIDGET(scrolled), lc->listview);
 368         gtk_widget_show(lc->listview);
 369
 370         pref_label_new(lc->box, _("(drag to change order)"));
 371
 372         return lc->box;
 373 }
 374
 375 static gchar num_to_text_char(gint n)
 376 {
 377         switch (n)
 378                 {
 379                 case 1:
 380                         return '2';
 381                         break;
 382                 case 2:
 383                         return '3';
 384                         break;
 385                 }
 386         return '1';
 387 }
 388
 389 gchar *layout_config_order_to_text(gint a, gint b, gint c)
 390 {
 391         gchar *text;
 392
 393         text = g_strdup("   ");
 394
 395         text[0] = num_to_text_char(a);
 396         text[1] = num_to_text_char(b);
 397         text[2] = num_to_text_char(c);
 398
 399         return text;
 400 }
 401
 402 static gint text_char_to_num(const gchar *text, gint n)
 403 {
 404         if (text[n] == '3') return 2;
 405         if (text[n] == '2') return 1;
 406         return 0;
 407 }
 408
 409 void layout_config_order_from_text(const gchar *text, gint *a, gint *b, gint *c)
 410 {
 411         if (!text || strlen(text) < 3)
 412                 {
 413                 *a = 0;
 414                 *b = 1;
 415                 *c = 2;
 416                 }
 417         else
 418                 {
 419                 *a = text_char_to_num(text, 0);
 420                 *b = text_char_to_num(text, 1);
 421                 *c = text_char_to_num(text, 2);
 422                 }
 423 }
 424 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */