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_grid_attach(GTK_GRID(table), button, x1, y1, x2 - x1, y2 - y1);
 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 #ifdef HAVE_GTK4
 246                 group = gtk_toggle_button_new();
 247                 gtk_toggle_button_set_group(button, group);
 248 #else
 249                 group = gtk_radio_button_new(gtk_radio_button_get_group(GTK_RADIO_BUTTON(group)));
 250 #endif
 251                 }
 252         else
 253                 {
 254 #ifdef HAVE_GTK4
 255                 group = gtk_toggle_button_new();
 256 #else
 257                 group = gtk_radio_button_new(nullptr);
 258 #endif
 259                 }
 260         g_object_set_data(G_OBJECT(group), "layout_config", lc);
 261         g_signal_connect(G_OBJECT(group), "clicked",
 262                          G_CALLBACK(layout_config_widget_click_cb), GINT_TO_POINTER(style));
 263         gq_gtk_box_pack_start(GTK_BOX(box), group, FALSE, FALSE, 0);
 264
 265         table = gtk_grid_new();
 266
 267         layout_config_table_button(table, ls.a, "1");
 268         layout_config_table_button(table, ls.b, "2");
 269         layout_config_table_button(table, ls.c, "3");
 270
 271         gtk_widget_set_size_request(table, LAYOUT_STYLE_SIZE, LAYOUT_STYLE_SIZE);
 272         gq_gtk_container_add(GTK_WIDGET(group), table);
 273         gtk_widget_show(table);
 274
 275         gtk_widget_show(group);
 276
 277         return group;
 278 }
 279
 280 static void layout_config_number_cb(GtkTreeViewColumn *, GtkCellRenderer *cell,
 281                                     GtkTreeModel *store, GtkTreeIter *iter, gpointer)
 282 {
 283         GtkTreePath *tpath;
 284         gint *indices;
 285         gchar *buf;
 286
 287         tpath = gtk_tree_model_get_path(store, iter);
 288         indices = gtk_tree_path_get_indices(tpath);
 289         buf = g_strdup_printf("%d", indices[0] + 1);
 290         gtk_tree_path_free(tpath);
 291         g_object_set(G_OBJECT(cell), "text", buf, NULL);
 292         g_free(buf);
 293 }
 294
 295 GtkWidget *layout_config_new()
 296 {
 297         LayoutConfig *lc;
 298         GtkWidget *hbox;
 299         GtkWidget *group = nullptr;
 300         GtkWidget *scrolled;
 301         GtkListStore *store;
 302         GtkTreeViewColumn *column;
 303         GtkCellRenderer *renderer;
 304         gint i;
 305
 306         lc = g_new0(LayoutConfig, 1);
 307
 308         lc->box = gtk_box_new(GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
 309         g_object_set_data(G_OBJECT(lc->box), "layout_config", lc);
 310
 311         g_signal_connect(G_OBJECT(lc->box), "destroy",
 312                          G_CALLBACK(layout_config_destroy), lc);
 313
 314         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
 315         gq_gtk_box_pack_start(GTK_BOX(lc->box), hbox, FALSE, FALSE, 0);
 316         for (i = 0; i < layout_config_style_count; i++)
 317                 {
 318                 group = layout_config_widget(group, hbox, i, lc);
 319                 lc->style_widgets = g_list_append(lc->style_widgets, group);
 320                 }
 321         gtk_widget_show(hbox);
 322
 323         scrolled = gq_gtk_scrolled_window_new(nullptr, nullptr);
 324         gq_gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
 325         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
 326                                        GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 327         gq_gtk_box_pack_start(GTK_BOX(lc->box), scrolled, FALSE, FALSE, 0);
 328         gtk_widget_show(scrolled);
 329
 330         store = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
 331         lc->listview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
 332         g_object_unref(store);
 333
 334         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(lc->listview), FALSE);
 335         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(lc->listview), FALSE);
 336         gtk_tree_view_set_reorderable(GTK_TREE_VIEW(lc->listview), TRUE);
 337
 338         column = gtk_tree_view_column_new();
 339         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
 340
 341         renderer = gtk_cell_renderer_text_new();
 342         gtk_tree_view_column_pack_start(column, renderer, FALSE);
 343         gtk_tree_view_column_set_cell_data_func(column, renderer, layout_config_number_cb, lc, nullptr);
 344
 345         renderer = gtk_cell_renderer_text_new();
 346         gtk_tree_view_column_pack_start(column, renderer, TRUE);
 347         gtk_tree_view_column_add_attribute(column, renderer, "text", COLUMN_TEXT);
 348
 349         gtk_tree_view_append_column(GTK_TREE_VIEW(lc->listview), column);
 350
 351         for (i = 0; i < 3; i++)
 352                 {
 353                 GtkTreeIter iter;
 354
 355                 gtk_list_store_append(store, &iter);
 356                 gtk_list_store_set(store, &iter, COLUMN_TEXT, _(layout_titles[i]), COLUMN_KEY, i, -1);
 357                 }
 358
 359         gq_gtk_container_add(GTK_WIDGET(scrolled), lc->listview);
 360         gtk_widget_show(lc->listview);
 361
 362         pref_label_new(lc->box, _("(drag to change order)"));
 363
 364         return lc->box;
 365 }
 366
 367 static gchar num_to_text_char(gint n)
 368 {
 369         switch (n)
 370                 {
 371                 case 1:
 372                         return '2';
 373                         break;
 374                 case 2:
 375                         return '3';
 376                         break;
 377                 }
 378         return '1';
 379 }
 380
 381 gchar *layout_config_order_to_text(gint a, gint b, gint c)
 382 {
 383         gchar *text;
 384
 385         text = g_strdup("   ");
 386
 387         text[0] = num_to_text_char(a);
 388         text[1] = num_to_text_char(b);
 389         text[2] = num_to_text_char(c);
 390
 391         return text;
 392 }
 393
 394 static gint text_char_to_num(const gchar *text, gint n)
 395 {
 396         if (text[n] == '3') return 2;
 397         if (text[n] == '2') return 1;
 398         return 0;
 399 }
 400
 401 void layout_config_order_from_text(const gchar *text, gint *a, gint *b, gint *c)
 402 {
 403         if (!text || strlen(text) < 3)
 404                 {
 405                 *a = 0;
 406                 *b = 1;
 407                 *c = 2;
 408                 }
 409         else
 410                 {
 411                 *a = text_char_to_num(text, 0);
 412                 *b = text_char_to_num(text, 1);
 413                 *c = text_char_to_num(text, 2);
 414                 }
 415 }
 416 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */