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 "layout-config.h"
  23
  24 #include <cstring>
  25
  26 #include <glib-object.h>
  27
  28 #include <config.h>
  29
  30 #include "compat.h"
  31 #include "intl.h"
  32 #include "ui-misc.h"
  33
  34 namespace
  35 {
  36
  37 enum {
  38         COLUMN_TEXT = 0,
  39         COLUMN_KEY
  40 };
  41
  42 struct LayoutStyle
  43 {
  44         LayoutLocation a, b, c;
  45 };
  46
  47 struct LayoutConfig
  48 {
  49         GtkWidget *box;
  50
  51         GList *style_widgets;
  52
  53         GtkWidget *listview;
  54
  55         gint style;
  56         gint a, b, c;
  57 };
  58
  59 constexpr gint LAYOUT_STYLE_SIZE = 48;
  60
  61 // @todo Use std::array
  62 constexpr LayoutStyle layout_config_styles[] = {
  63         /* 1, 2, 3 */
  64         { static_cast<LayoutLocation>(LAYOUT_LEFT | LAYOUT_TOP), static_cast<LayoutLocation>(LAYOUT_LEFT | LAYOUT_BOTTOM), LAYOUT_RIGHT },
  65         { static_cast<LayoutLocation>(LAYOUT_LEFT | LAYOUT_TOP), static_cast<LayoutLocation>(LAYOUT_RIGHT | LAYOUT_TOP), LAYOUT_BOTTOM },
  66         { LAYOUT_LEFT, static_cast<LayoutLocation>(LAYOUT_RIGHT | LAYOUT_TOP), static_cast<LayoutLocation>(LAYOUT_RIGHT | LAYOUT_BOTTOM) },
  67         { LAYOUT_TOP, static_cast<LayoutLocation>(LAYOUT_LEFT | LAYOUT_BOTTOM), static_cast<LayoutLocation>(LAYOUT_RIGHT | LAYOUT_BOTTOM) }
  68 };
  69
  70 constexpr gint layout_config_style_count = sizeof(layout_config_styles) / sizeof(LayoutStyle);
  71
  72 const gchar *layout_titles[] = { N_("Tools"), N_("Files"), N_("Image") };
  73
  74
  75 void layout_config_destroy(GtkWidget *, gpointer data)
  76 {
  77         auto lc = static_cast<LayoutConfig *>(data);
  78
  79         g_list_free(lc->style_widgets);
  80         g_free(lc);
  81 }
  82
  83 void layout_config_set_order(LayoutLocation l, gint n,
  84                                     LayoutLocation *a, LayoutLocation *b, LayoutLocation *c)
  85 {
  86         switch (n)
  87                 {
  88                 case 0:
  89                         *a = l;
  90                         break;
  91                 case 1:
  92                         *b = l;
  93                         break;
  94                 case 2: default:
  95                         *c = l;
  96                         break;
  97                 }
  98 }
  99
 100 void layout_config_from_data(gint style, gint oa, gint ob, gint oc,
 101                                     LayoutLocation *la, LayoutLocation *lb, LayoutLocation *lc)
 102 {
 103         LayoutStyle ls;
 104
 105         style = CLAMP(style, 0, layout_config_style_count);
 106
 107         ls = layout_config_styles[style];
 108
 109         layout_config_set_order(ls.a, oa, la, lb, lc);
 110         layout_config_set_order(ls.b, ob, la, lb, lc);
 111         layout_config_set_order(ls.c, oc, la, lb, lc);
 112 }
 113
 114 void layout_config_list_order_set(LayoutConfig *lc, gint src, gint dest)
 115 {
 116         GtkListStore *store;
 117         GtkTreeIter iter;
 118         gboolean valid;
 119         gint n;
 120
 121         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(lc->listview)));
 122
 123         n = 0;
 124         valid = gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter);
 125         while (valid)
 126                 {
 127                 if (n == dest)
 128                         {
 129                         gtk_list_store_set(store, &iter, COLUMN_TEXT, _(layout_titles[src]), COLUMN_KEY, src, -1);
 130                         return;
 131                         }
 132                 n++;
 133                 valid = gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &iter);
 134                 }
 135 }
 136
 137 gint layout_config_list_order_get(LayoutConfig *lc, gint n)
 138 {
 139         GtkTreeModel *store;
 140         GtkTreeIter iter;
 141         gboolean valid;
 142         gint c = 0;
 143
 144         store = gtk_tree_view_get_model(GTK_TREE_VIEW(lc->listview));
 145
 146         valid = gtk_tree_model_get_iter_first(store, &iter);
 147         while (valid)
 148                 {
 149                 if (c == n)
 150                         {
 151                         gint val;
 152                         gtk_tree_model_get(store, &iter, COLUMN_KEY, &val, -1);
 153                         return val;
 154                         }
 155                 c++;
 156                 valid = gtk_tree_model_iter_next(store, &iter);
 157                 }
 158         return 0;
 159 }
 160
 161 void layout_config_widget_click_cb(GtkWidget *widget, gpointer data)
 162 {
 163         LayoutConfig *lc;
 164
 165         lc = static_cast<LayoutConfig *>(g_object_get_data(G_OBJECT(widget), "layout_config"));
 166
 167         if (lc) lc->style = GPOINTER_TO_INT(data);
 168 }
 169
 170 void layout_config_table_button(GtkWidget *table, LayoutLocation l, const gchar *text)
 171 {
 172         GtkWidget *button;
 173
 174         gint x1;
 175         gint y1;
 176         gint x2;
 177         gint y2;
 178
 179         x1 = 0;
 180         y1 = 0;
 181         x2 = 2;
 182         y2 = 2;
 183
 184         if (l & LAYOUT_LEFT) x2 = 1;
 185         if (l & LAYOUT_RIGHT) x1 = 1;
 186         if (l & LAYOUT_TOP) y2 = 1;
 187         if (l & LAYOUT_BOTTOM) y1 = 1;
 188
 189         button = gtk_button_new_with_label(text);
 190         gtk_widget_set_sensitive(button, FALSE);
 191         gtk_widget_set_can_focus(button, FALSE);
 192         gtk_grid_attach(GTK_GRID(table), button, x1, y1, x2 - x1, y2 - y1);
 193         gtk_widget_show(button);
 194 }
 195
 196 GtkWidget *layout_config_widget(GtkWidget *group, GtkWidget *box, gint style, LayoutConfig *lc)
 197 {
 198         GtkWidget *table;
 199         LayoutStyle ls;
 200
 201         ls = layout_config_styles[style];
 202
 203         if (group)
 204                 {
 205 #if HAVE_GTK4
 206                 group = gtk_toggle_button_new();
 207                 gtk_toggle_button_set_group(button, group);
 208 #else
 209                 group = gtk_radio_button_new(gtk_radio_button_get_group(GTK_RADIO_BUTTON(group)));
 210 #endif
 211                 }
 212         else
 213                 {
 214 #if HAVE_GTK4
 215                 group = gtk_toggle_button_new();
 216 #else
 217                 group = gtk_radio_button_new(nullptr);
 218 #endif
 219                 }
 220         g_object_set_data(G_OBJECT(group), "layout_config", lc);
 221         g_signal_connect(G_OBJECT(group), "clicked",
 222                          G_CALLBACK(layout_config_widget_click_cb), GINT_TO_POINTER(style));
 223         gq_gtk_box_pack_start(GTK_BOX(box), group, FALSE, FALSE, 0);
 224
 225         table = gtk_grid_new();
 226
 227         layout_config_table_button(table, ls.a, "1");
 228         layout_config_table_button(table, ls.b, "2");
 229         layout_config_table_button(table, ls.c, "3");
 230
 231         gtk_widget_set_size_request(table, LAYOUT_STYLE_SIZE, LAYOUT_STYLE_SIZE);
 232         gq_gtk_container_add(GTK_WIDGET(group), table);
 233         gtk_widget_show(table);
 234
 235         gtk_widget_show(group);
 236
 237         return group;
 238 }
 239
 240 void layout_config_number_cb(GtkTreeViewColumn *, GtkCellRenderer *cell,
 241                     GtkTreeModel *store, GtkTreeIter *iter, gpointer)
 242 {
 243         GtkTreePath *tpath;
 244         gint *indices;
 245         gchar *buf;
 246
 247         tpath = gtk_tree_model_get_path(store, iter);
 248         indices = gtk_tree_path_get_indices(tpath);
 249         buf = g_strdup_printf("%d", indices[0] + 1);
 250         gtk_tree_path_free(tpath);
 251         g_object_set(G_OBJECT(cell), "text", buf, NULL);
 252         g_free(buf);
 253 }
 254
 255 gchar num_to_text_char(gint n)
 256 {
 257         switch (n)
 258                 {
 259                 case 1:
 260                         return '2';
 261                         break;
 262                 case 2:
 263                         return '3';
 264                         break;
 265                 }
 266         return '1';
 267 }
 268
 269 gchar *layout_config_order_to_text(gint a, gint b, gint c)
 270 {
 271         gchar *text;
 272
 273         text = g_strdup("   ");
 274
 275         text[0] = num_to_text_char(a);
 276         text[1] = num_to_text_char(b);
 277         text[2] = num_to_text_char(c);
 278
 279         return text;
 280 }
 281
 282 gint text_char_to_num(const gchar *text, gint n)
 283 {
 284         if (text[n] == '3') return 2;
 285         if (text[n] == '2') return 1;
 286         return 0;
 287 }
 288
 289 void layout_config_order_from_text(const gchar *text, gint *a, gint *b, gint *c)
 290 {
 291         if (!text || strlen(text) < 3)
 292                 {
 293                 *a = 0;
 294                 *b = 1;
 295                 *c = 2;
 296                 }
 297         else
 298                 {
 299                 *a = text_char_to_num(text, 0);
 300                 *b = text_char_to_num(text, 1);
 301                 *c = text_char_to_num(text, 2);
 302                 }
 303 }
 304
 305 } // namespace
 306
 307 void layout_config_parse(gint style, const gchar *order,
 308                          LayoutLocation *a, LayoutLocation *b, LayoutLocation *c)
 309 {
 310         gint na;
 311         gint nb;
 312         gint nc;
 313
 314         layout_config_order_from_text(order, &na, &nb, &nc);
 315         layout_config_from_data(style, na, nb, nc, a, b, c);
 316 }
 317
 318 void layout_config_set(GtkWidget *widget, gint style, const gchar *order)
 319 {
 320         LayoutConfig *lc;
 321         GtkWidget *button;
 322         gint a;
 323         gint b;
 324         gint c;
 325
 326         lc = static_cast<LayoutConfig *>(g_object_get_data(G_OBJECT(widget), "layout_config"));
 327
 328         if (!lc) return;
 329
 330         style = CLAMP(style, 0, layout_config_style_count);
 331         button = static_cast<GtkWidget *>(g_list_nth_data(lc->style_widgets, style));
 332         if (!button) return;
 333
 334         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), TRUE);
 335
 336         layout_config_order_from_text(order, &a, &b, &c);
 337
 338         layout_config_list_order_set(lc, a, 0);
 339         layout_config_list_order_set(lc, b, 1);
 340         layout_config_list_order_set(lc, c, 2);
 341 }
 342
 343 gchar *layout_config_get(GtkWidget *widget, gint *style)
 344 {
 345         LayoutConfig *lc;
 346
 347         lc = static_cast<LayoutConfig *>(g_object_get_data(G_OBJECT(widget), "layout_config"));
 348
 349         /* this should not happen */
 350         if (!lc) return nullptr;
 351
 352         *style = lc->style;
 353
 354         lc->a = layout_config_list_order_get(lc, 0);
 355         lc->b = layout_config_list_order_get(lc, 1);
 356         lc->c = layout_config_list_order_get(lc, 2);
 357
 358         return layout_config_order_to_text(lc->a, lc->b, lc->c);
 359 }
 360
 361 GtkWidget *layout_config_new()
 362 {
 363         LayoutConfig *lc;
 364         GtkWidget *hbox;
 365         GtkWidget *group = nullptr;
 366         GtkWidget *scrolled;
 367         GtkListStore *store;
 368         GtkTreeViewColumn *column;
 369         GtkCellRenderer *renderer;
 370         gint i;
 371
 372         lc = g_new0(LayoutConfig, 1);
 373
 374         lc->box = gtk_box_new(GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
 375         g_object_set_data(G_OBJECT(lc->box), "layout_config", lc);
 376
 377         g_signal_connect(G_OBJECT(lc->box), "destroy",
 378                          G_CALLBACK(layout_config_destroy), lc);
 379
 380         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
 381         gq_gtk_box_pack_start(GTK_BOX(lc->box), hbox, FALSE, FALSE, 0);
 382         for (i = 0; i < layout_config_style_count; i++)
 383                 {
 384                 group = layout_config_widget(group, hbox, i, lc);
 385                 lc->style_widgets = g_list_append(lc->style_widgets, group);
 386                 }
 387         gtk_widget_show(hbox);
 388
 389         scrolled = gq_gtk_scrolled_window_new(nullptr, nullptr);
 390         gq_gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
 391         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
 392                                        GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 393         gq_gtk_box_pack_start(GTK_BOX(lc->box), scrolled, FALSE, FALSE, 0);
 394         gtk_widget_show(scrolled);
 395
 396         store = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
 397         lc->listview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
 398         g_object_unref(store);
 399
 400         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(lc->listview), FALSE);
 401         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(lc->listview), FALSE);
 402         gtk_tree_view_set_reorderable(GTK_TREE_VIEW(lc->listview), TRUE);
 403
 404         column = gtk_tree_view_column_new();
 405         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
 406
 407         renderer = gtk_cell_renderer_text_new();
 408         gtk_tree_view_column_pack_start(column, renderer, FALSE);
 409         gtk_tree_view_column_set_cell_data_func(column, renderer, layout_config_number_cb, lc, nullptr);
 410
 411         renderer = gtk_cell_renderer_text_new();
 412         gtk_tree_view_column_pack_start(column, renderer, TRUE);
 413         gtk_tree_view_column_add_attribute(column, renderer, "text", COLUMN_TEXT);
 414
 415         gtk_tree_view_append_column(GTK_TREE_VIEW(lc->listview), column);
 416
 417         for (i = 0; i < 3; i++)
 418                 {
 419                 GtkTreeIter iter;
 420
 421                 gtk_list_store_append(store, &iter);
 422                 gtk_list_store_set(store, &iter, COLUMN_TEXT, _(layout_titles[i]), COLUMN_KEY, i, -1);
 423                 }
 424
 425         gq_gtk_container_add(GTK_WIDGET(scrolled), lc->listview);
 426         gtk_widget_show(lc->listview);
 427
 428         pref_label_new(lc->box, _("(drag to change order)"));
 429
 430         return lc->box;
 431 }
 432 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */