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 typedef struct _LayoutStyle LayoutStyle;
  35 struct _LayoutStyle
  36 {
  37         LayoutLocation a, b, c;
  38 };
  39
  40 typedef struct _LayoutConfig LayoutConfig;
  41 struct _LayoutConfig
  42 {
  43         GtkWidget *box;
  44
  45         GList *style_widgets;
  46
  47         GtkWidget *listview;
  48
  49         gint style;
  50         gint a, b, c;
  51 };
  52
  53
  54 static LayoutStyle layout_config_styles[] = {
  55         /* 1, 2, 3 */
  56         { static_cast<LayoutLocation>(LAYOUT_LEFT | LAYOUT_TOP), static_cast<LayoutLocation>(LAYOUT_LEFT | LAYOUT_BOTTOM), LAYOUT_RIGHT },
  57         { static_cast<LayoutLocation>(LAYOUT_LEFT | LAYOUT_TOP), static_cast<LayoutLocation>(LAYOUT_RIGHT | LAYOUT_TOP), LAYOUT_BOTTOM },
  58         { LAYOUT_LEFT, static_cast<LayoutLocation>(LAYOUT_RIGHT | LAYOUT_TOP), static_cast<LayoutLocation>(LAYOUT_RIGHT | LAYOUT_BOTTOM) },
  59         { LAYOUT_TOP, static_cast<LayoutLocation>(LAYOUT_LEFT | LAYOUT_BOTTOM), static_cast<LayoutLocation>(LAYOUT_RIGHT | LAYOUT_BOTTOM) }
  60 };
  61
  62 static gint layout_config_style_count = sizeof(layout_config_styles) / sizeof(LayoutStyle);
  63
  64 static const gchar *layout_titles[] = { N_("Tools"), N_("Files"), N_("Image") };
  65
  66
  67 static void layout_config_destroy(GtkWidget *UNUSED(widget), gpointer data)
  68 {
  69         LayoutConfig * lc = static_cast<LayoutConfig *>(data);
  70
  71         g_list_free(lc->style_widgets);
  72         g_free(lc);
  73 }
  74
  75 static void layout_config_set_order(LayoutLocation l, gint n,
  76                                     LayoutLocation *a, LayoutLocation *b, LayoutLocation *c)
  77 {
  78         switch (n)
  79                 {
  80                 case 0:
  81                         *a = l;
  82                         break;
  83                 case 1:
  84                         *b = l;
  85                         break;
  86                 case 2: default:
  87                         *c = l;
  88                         break;
  89                 }
  90 }
  91
  92 static void layout_config_from_data(gint style, gint oa, gint ob, gint oc,
  93                                     LayoutLocation *la, LayoutLocation *lb, LayoutLocation *lc)
  94 {
  95         LayoutStyle ls;
  96
  97         style = CLAMP(style, 0, layout_config_style_count);
  98
  99         ls = layout_config_styles[style];
 100
 101         layout_config_set_order(ls.a, oa, la, lb, lc);
 102         layout_config_set_order(ls.b, ob, la, lb, lc);
 103         layout_config_set_order(ls.c, oc, la, lb, lc);
 104 }
 105
 106 void layout_config_parse(gint style, const gchar *order,
 107                          LayoutLocation *a, LayoutLocation *b, LayoutLocation *c)
 108 {
 109         gint na, nb, 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, b, c;
 167
 168         lc = static_cast<LayoutConfig *>(g_object_get_data(G_OBJECT(widget), "layout_config"));
 169
 170         if (!lc) return;
 171
 172         style = CLAMP(style, 0, layout_config_style_count);
 173         button = static_cast<GtkWidget *>(g_list_nth_data(lc->style_widgets, style));
 174         if (!button) return;
 175
 176         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), TRUE);
 177
 178         layout_config_order_from_text(order, &a, &b, &c);
 179
 180         layout_config_list_order_set(lc, a, 0);
 181         layout_config_list_order_set(lc, b, 1);
 182         layout_config_list_order_set(lc, c, 2);
 183 }
 184
 185 gchar *layout_config_get(GtkWidget *widget, gint *style)
 186 {
 187         LayoutConfig *lc;
 188
 189         lc = static_cast<LayoutConfig *>(g_object_get_data(G_OBJECT(widget), "layout_config"));
 190
 191         /* this should not happen */
 192         if (!lc) return NULL;
 193
 194         *style = lc->style;
 195
 196         lc->a = layout_config_list_order_get(lc, 0);
 197         lc->b = layout_config_list_order_get(lc, 1);
 198         lc->c = layout_config_list_order_get(lc, 2);
 199
 200         return layout_config_order_to_text(lc->a, lc->b, lc->c);
 201 }
 202
 203 static void layout_config_widget_click_cb(GtkWidget *widget, gpointer data)
 204 {
 205         LayoutConfig *lc;
 206
 207         lc = static_cast<LayoutConfig *>(g_object_get_data(G_OBJECT(widget), "layout_config"));
 208
 209         if (lc) lc->style = GPOINTER_TO_INT(data);
 210 }
 211
 212 static void layout_config_table_button(GtkWidget *table, LayoutLocation l, const gchar *text)
 213 {
 214         GtkWidget *button;
 215
 216         gint x1, y1;
 217         gint x2, y2;
 218
 219         x1 = 0;
 220         y1 = 0;
 221         x2 = 2;
 222         y2 = 2;
 223
 224         if (l & LAYOUT_LEFT) x2 = 1;
 225         if (l & LAYOUT_RIGHT) x1 = 1;
 226         if (l & LAYOUT_TOP) y2 = 1;
 227         if (l & LAYOUT_BOTTOM) y1 = 1;
 228
 229         button = gtk_button_new_with_label(text);
 230         gtk_widget_set_sensitive(button, FALSE);
 231         gtk_widget_set_can_focus(button, FALSE);
 232         gtk_table_attach_defaults(GTK_TABLE(table), button, x1, x2, y1, y2);
 233         gtk_widget_show(button);
 234 }
 235
 236 #define LAYOUT_STYLE_SIZE 48
 237
 238 static GtkWidget *layout_config_widget(GtkWidget *group, GtkWidget *box, gint style, LayoutConfig *lc)
 239 {
 240         GtkWidget *table;
 241         LayoutStyle ls;
 242
 243         ls = layout_config_styles[style];
 244
 245         if (group)
 246                 {
 247                 group = gtk_radio_button_new(gtk_radio_button_get_group(GTK_RADIO_BUTTON(group)));
 248                 }
 249         else
 250                 {
 251                 group = gtk_radio_button_new(NULL);
 252                 }
 253         g_object_set_data(G_OBJECT(group), "layout_config", lc);
 254         g_signal_connect(G_OBJECT(group), "clicked",
 255                          G_CALLBACK(layout_config_widget_click_cb), GINT_TO_POINTER(style));
 256         gtk_box_pack_start(GTK_BOX(box), group, FALSE, FALSE, 0);
 257
 258         table = gtk_table_new(2, 2, TRUE);
 259
 260         layout_config_table_button(table, ls.a, "1");
 261         layout_config_table_button(table, ls.b, "2");
 262         layout_config_table_button(table, ls.c, "3");
 263
 264         gtk_widget_set_size_request(table, LAYOUT_STYLE_SIZE, LAYOUT_STYLE_SIZE);
 265         gtk_container_add(GTK_CONTAINER(group), table);
 266         gtk_widget_show(table);
 267
 268         gtk_widget_show(group);
 269
 270         return group;
 271 }
 272
 273 static void layout_config_number_cb(GtkTreeViewColumn *UNUSED(tree_column), GtkCellRenderer *cell,
 274                                     GtkTreeModel *store, GtkTreeIter *iter, gpointer UNUSED(data))
 275 {
 276         GtkTreePath *tpath;
 277         gint *indices;
 278         gchar *buf;
 279
 280         tpath = gtk_tree_model_get_path(store, iter);
 281         indices = gtk_tree_path_get_indices(tpath);
 282         buf = g_strdup_printf("%d", indices[0] + 1);
 283         gtk_tree_path_free(tpath);
 284         g_object_set(G_OBJECT(cell), "text", buf, NULL);
 285         g_free(buf);
 286 }
 287
 288 GtkWidget *layout_config_new(void)
 289 {
 290         LayoutConfig *lc;
 291         GtkWidget *hbox;
 292         GtkWidget *group = NULL;
 293         GtkWidget *scrolled;
 294         GtkListStore *store;
 295         GtkTreeViewColumn *column;
 296         GtkCellRenderer *renderer;
 297         gint i;
 298
 299         lc = g_new0(LayoutConfig, 1);
 300
 301         lc->box = gtk_box_new(GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
 302         g_object_set_data(G_OBJECT(lc->box), "layout_config", lc);
 303
 304         g_signal_connect(G_OBJECT(lc->box), "destroy",
 305                          G_CALLBACK(layout_config_destroy), lc);
 306
 307         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
 308         gtk_box_pack_start(GTK_BOX(lc->box), hbox, FALSE, FALSE, 0);
 309         for (i = 0; i < layout_config_style_count; i++)
 310                 {
 311                 group = layout_config_widget(group, hbox, i, lc);
 312                 lc->style_widgets = g_list_append(lc->style_widgets, group);
 313                 }
 314         gtk_widget_show(hbox);
 315
 316         scrolled = gtk_scrolled_window_new(NULL, NULL);
 317         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
 318         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
 319                                        GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 320         gtk_box_pack_start(GTK_BOX(lc->box), scrolled, FALSE, FALSE, 0);
 321         gtk_widget_show(scrolled);
 322
 323         store = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
 324         lc->listview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
 325         g_object_unref(store);
 326
 327         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(lc->listview), FALSE);
 328         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(lc->listview), FALSE);
 329         gtk_tree_view_set_reorderable(GTK_TREE_VIEW(lc->listview), TRUE);
 330
 331         column = gtk_tree_view_column_new();
 332         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
 333
 334         renderer = gtk_cell_renderer_text_new();
 335         gtk_tree_view_column_pack_start(column, renderer, FALSE);
 336         gtk_tree_view_column_set_cell_data_func(column, renderer, layout_config_number_cb, lc, NULL);
 337
 338         renderer = gtk_cell_renderer_text_new();
 339         gtk_tree_view_column_pack_start(column, renderer, TRUE);
 340         gtk_tree_view_column_add_attribute(column, renderer, "text", COLUMN_TEXT);
 341
 342         gtk_tree_view_append_column(GTK_TREE_VIEW(lc->listview), column);
 343
 344         for (i = 0; i < 3; i++)
 345                 {
 346                 GtkTreeIter iter;
 347
 348                 gtk_list_store_append(store, &iter);
 349                 gtk_list_store_set(store, &iter, COLUMN_TEXT, _(layout_titles[i]), COLUMN_KEY, i, -1);
 350                 }
 351
 352         gtk_container_add(GTK_CONTAINER(scrolled), lc->listview);
 353         gtk_widget_show(lc->listview);
 354
 355         pref_label_new(lc->box, _("(drag to change order)"));
 356
 357         return lc->box;
 358 }
 359
 360 static gchar num_to_text_char(gint n)
 361 {
 362         switch (n)
 363                 {
 364                 case 1:
 365                         return '2';
 366                         break;
 367                 case 2:
 368                         return '3';
 369                         break;
 370                 }
 371         return '1';
 372 }
 373
 374 gchar *layout_config_order_to_text(gint a, gint b, gint c)
 375 {
 376         gchar *text;
 377
 378         text = g_strdup("   ");
 379
 380         text[0] = num_to_text_char(a);
 381         text[1] = num_to_text_char(b);
 382         text[2] = num_to_text_char(c);
 383
 384         return text;
 385 }
 386
 387 static gint text_char_to_num(const gchar *text, gint n)
 388 {
 389         if (text[n] == '3') return 2;
 390         if (text[n] == '2') return 1;
 391         return 0;
 392 }
 393
 394 void layout_config_order_from_text(const gchar *text, gint *a, gint *b, gint *c)
 395 {
 396         if (!text || strlen(text) < 3)
 397                 {
 398                 *a = 0;
 399                 *b = 1;
 400                 *c = 2;
 401                 }
 402         else
 403                 {
 404                 *a = text_char_to_num(text, 0);
 405                 *b = text_char_to_num(text, 1);
 406                 *c = text_char_to_num(text, 2);
 407                 }
 408 }
 409 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */