src/layout_config.c

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