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