player/preferences.c

   1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
   2 /*
   3  * callbacks.c
   4  * Copyright (C) Philip en Marijn 2008 <>
   5  *
   6  * preferences.c is free software copyrighted by Philip en Marijn.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. Neither the name ``Philip en Marijn'' nor the name of any other
  17  *    contributor may be used to endorse or promote products derived
  18  *    from this software without specific prior written permission.
  19  *
  20  * preferences.c IS PROVIDED BY Philip en Marijn ``AS IS'' AND ANY EXPRESS
  21  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  22  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL Philip en Marijn OR ANY OTHER CONTRIBUTORS
  24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  27  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  28  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  29  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  30  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include <stdlib.h>
  34 #include <glib.h>
  35 #include <glib/gi18n.h>
  36 #include <gtk/gtk.h>
  37 #include <libchimara/chimara-glk.h>
  38 #include <libchimara/chimara-if.h>
  39 #include <config.h>
  40 #include "error.h"
  41
  42 GObject *load_object(const gchar *name);
  43 static GtkTextTag *current_tag;
  44 static GtkListStore *preferred_list;
  45
  46 static void style_tree_select_callback(GtkTreeSelection *selection, ChimaraGlk *glk);
  47
  48 /* Internal functions to convert from human-readable names in the config file
  49 to enums and back. Later: replace with plugin functions. */
  50 static ChimaraIFFormat
  51 parse_format(const char *format)
  52 {
  53         if(strcmp(format, "z5") == 0)
  54                 return CHIMARA_IF_FORMAT_Z5;
  55         if(strcmp(format, "z6") == 0)
  56                 return CHIMARA_IF_FORMAT_Z6;
  57         if(strcmp(format, "z8") == 0)
  58                 return CHIMARA_IF_FORMAT_Z8;
  59         if(strcmp(format, "zblorb") == 0)
  60                 return CHIMARA_IF_FORMAT_Z_BLORB;
  61         if(strcmp(format, "glulx") == 0)
  62                 return CHIMARA_IF_FORMAT_GLULX;
  63         if(strcmp(format, "gblorb") == 0)
  64                 return CHIMARA_IF_FORMAT_GLULX_BLORB;
  65         return CHIMARA_IF_FORMAT_NONE;
  66 }
  67
  68 static const char *format_strings[CHIMARA_IF_NUM_FORMATS] = {
  69         "z5", "z6", "z8", "zblorb", "glulx", "gblorb"
  70 };
  71
  72 static const char *format_to_string(ChimaraIFFormat format)
  73 {
  74         if(format >= 0 && format < CHIMARA_IF_NUM_FORMATS)
  75                 return format_strings[format];
  76         return "unknown";
  77 }
  78
  79 static const char *format_display_strings[CHIMARA_IF_NUM_FORMATS] = {
  80         N_("Z-machine version 5"),
  81         N_("Z-machine version 6"),
  82         N_("Z-machine version 8"),
  83         N_("Z-machine Blorb file"),
  84         N_("Glulx"),
  85         N_("Glulx Blorb file")
  86 };
  87
  88 static const char *
  89 format_to_display_string(ChimaraIFFormat format)
  90 {
  91         if(format >= 0 && format < CHIMARA_IF_NUM_FORMATS)
  92                 return gettext(format_display_strings[format]);
  93         return _("Unknown");
  94 }
  95
  96 static ChimaraIFInterpreter
  97 parse_interpreter(const char *interp)
  98 {
  99         if(strcmp(interp, "frotz") == 0)
 100                 return CHIMARA_IF_INTERPRETER_FROTZ;
 101         if(strcmp(interp, "nitfol") == 0)
 102                 return CHIMARA_IF_INTERPRETER_NITFOL;
 103         if(strcmp(interp, "glulxe") == 0)
 104                 return CHIMARA_IF_INTERPRETER_GLULXE;
 105         if(strcmp(interp, "git") == 0)
 106                 return CHIMARA_IF_INTERPRETER_GIT;
 107         return CHIMARA_IF_INTERPRETER_NONE;
 108 }
 109
 110 static const char *interpreter_strings[CHIMARA_IF_NUM_INTERPRETERS] = {
 111         "frotz", "nitfol", "glulxe", "git"
 112 };
 113
 114 static const char *
 115 interpreter_to_string(ChimaraIFInterpreter interp)
 116 {
 117         if(interp >= 0 && interp < CHIMARA_IF_NUM_INTERPRETERS)
 118                 return interpreter_strings[interp];
 119         return "unknown";
 120 }
 121
 122 static const char *interpreter_display_strings[CHIMARA_IF_NUM_INTERPRETERS] = {
 123         N_("Frotz"),
 124         N_("Nitfol"),
 125         N_("Glulxe"),
 126         N_("Git")
 127 };
 128
 129 static const char *
 130 interpreter_to_display_string(ChimaraIFInterpreter interp)
 131 {
 132         if(interp >= 0 && interp < CHIMARA_IF_NUM_INTERPRETERS)
 133                 return gettext(interpreter_display_strings[interp]);
 134         return _("Unknown");
 135 }
 136
 137 /* Create the preferences dialog. */
 138 void
 139 preferences_create(ChimaraGlk *glk)
 140 {
 141         /* Initialize the tree of style names */
 142         GtkTreeStore *style_list = GTK_TREE_STORE( load_object("style-list") );
 143         GtkTreeIter buffer, grid, buffer_child, grid_child;
 144
 145         gtk_tree_store_append(style_list, &buffer, NULL);
 146         gtk_tree_store_append(style_list, &grid, NULL);
 147         gtk_tree_store_set(style_list, &buffer, 0, "Text buffer", -1);
 148         gtk_tree_store_set(style_list, &grid, 0, "Text grid", -1);
 149
 150         int i;
 151         unsigned int num_tags;
 152         const gchar **tag_names = chimara_glk_get_tag_names(glk, &num_tags);
 153         for(i=0; i<num_tags; i++) {
 154                 gtk_tree_store_append(style_list, &buffer_child, &buffer);
 155                 gtk_tree_store_append(style_list, &grid_child, &grid);
 156                 gtk_tree_store_set(style_list, &buffer_child, 0, tag_names[i], -1);
 157                 gtk_tree_store_set(style_list, &grid_child, 0, tag_names[i], -1);
 158         }
 159
 160         /* Set selection mode to single select */
 161         GtkTreeView *view = GTK_TREE_VIEW( load_object("style-treeview") );
 162         GtkTreeSelection *selection = gtk_tree_view_get_selection(view);
 163         gtk_tree_selection_set_mode(selection, GTK_SELECTION_SINGLE);
 164         g_signal_connect(selection, "changed", G_CALLBACK(style_tree_select_callback), glk);
 165
 166         /* Bind the preferences to the entries in the preferences file */
 167         extern GSettings *prefs_settings;
 168         GObject *flep = G_OBJECT( load_object("flep") );
 169         g_settings_bind(prefs_settings, "flep", flep, "active", G_SETTINGS_BIND_DEFAULT);
 170         GtkFileChooser *blorb_chooser = GTK_FILE_CHOOSER( load_object("blorb_file_chooser") );
 171         GtkFileChooser *css_chooser = GTK_FILE_CHOOSER( load_object("css-filechooser") );
 172         char *filename;
 173         g_settings_get(prefs_settings, "resource-path", "ms", &filename);
 174         if(filename) {
 175                 gtk_file_chooser_set_filename(blorb_chooser, filename);
 176                 g_free(filename);
 177         }
 178         g_settings_get(prefs_settings, "css-file", "ms", &filename);
 179         if(filename) {
 180                 if(!chimara_glk_set_css_from_file(glk, filename, NULL)) {
 181                         /* If the setting didn't point to a CSS file, fail silently and
 182                          null the setting */
 183                         g_settings_set(prefs_settings, "css-file", "ms", NULL);
 184                 } else {
 185                         gtk_file_chooser_set_filename(css_chooser, filename);
 186                 }
 187                 g_free(filename);
 188         }
 189
 190         /* Populate the list of available interpreters */
 191         GtkListStore *interp_list = GTK_LIST_STORE( load_object("available_interpreters") );
 192         unsigned int count;
 193         GtkTreeIter tree_iter;
 194         for(count = 0; count < CHIMARA_IF_NUM_INTERPRETERS; count++) {
 195                 gtk_list_store_append(interp_list, &tree_iter);
 196                 gtk_list_store_set(interp_list, &tree_iter,
 197                         0, interpreter_to_display_string(count),
 198                         -1);
 199         }
 200
 201         /* Get the list of preferred interpreters from the preferences */
 202         GVariantIter *iter;
 203         char *format, *plugin;
 204         g_settings_get(prefs_settings, "preferred-interpreters", "a{ss}", &iter);
 205         while(g_variant_iter_loop(iter, "{ss}", &format, &plugin)) {
 206                 ChimaraIFFormat format_num = parse_format(format);
 207                 if(format_num == CHIMARA_IF_FORMAT_NONE)
 208                         continue;
 209                 ChimaraIFInterpreter interp_num = parse_interpreter(plugin);
 210                 if(interp_num == CHIMARA_IF_INTERPRETER_NONE)
 211                         continue;
 212                 chimara_if_set_preferred_interpreter(CHIMARA_IF(glk), format_num, interp_num);
 213         }
 214         g_variant_iter_free(iter);
 215
 216         /* Display it all in the list */
 217         preferred_list = GTK_LIST_STORE( load_object("interpreters") );
 218         for(count = 0; count < CHIMARA_IF_NUM_FORMATS; count++) {
 219                 gtk_list_store_append(preferred_list, &tree_iter);
 220                 gtk_list_store_set(preferred_list, &tree_iter,
 221                         0, format_to_display_string(count),
 222                         1, interpreter_to_display_string(chimara_if_get_preferred_interpreter(CHIMARA_IF(glk), count)),
 223                         -1);
 224         }
 225 }
 226
 227 static void
 228 style_tree_select_callback(GtkTreeSelection *selection, ChimaraGlk *glk)
 229 {
 230         GtkTreeIter child, parent;
 231         gchar *child_name, *parent_name;
 232         GtkTreeModel *model;
 233
 234         if( !gtk_tree_selection_get_selected(selection, &model, &child) )
 235                 return;
 236
 237         gtk_tree_model_get(model, &child, 0, &child_name, -1);
 238
 239         if( !gtk_tree_model_iter_parent(model, &parent, &child) )
 240                 return;
 241
 242         gtk_tree_model_get(model, &parent, 0, &parent_name, -1);
 243         if( !strcmp(parent_name, "Text buffer") )
 244                 current_tag = chimara_glk_get_tag(glk, CHIMARA_GLK_TEXT_BUFFER, child_name);
 245         else
 246                 current_tag = chimara_glk_get_tag(glk, CHIMARA_GLK_TEXT_GRID, child_name);
 247 }
 248
 249 void
 250 on_toggle_left(GtkToggleButton *button, ChimaraGlk *glk) {
 251         /* No nothing if the button is deactivated */
 252         if( !gtk_toggle_button_get_active(button) )
 253                 return;
 254         g_object_set(current_tag, "justification", GTK_JUSTIFY_LEFT, "justification-set", TRUE, NULL);
 255 }
 256
 257 void
 258 on_toggle_center(GtkToggleButton *button, ChimaraGlk *glk) {
 259         if( !gtk_toggle_button_get_active(button) )
 260                 return;
 261         g_object_set(current_tag, "justification", GTK_JUSTIFY_CENTER, "justification-set", TRUE, NULL);
 262 }
 263
 264 void
 265 on_toggle_right(GtkToggleButton *button, ChimaraGlk *glk) {
 266         if( !gtk_toggle_button_get_active(button) )
 267                 return;
 268         g_object_set(current_tag, "justification", GTK_JUSTIFY_RIGHT, "justification-set", TRUE, NULL);
 269 }
 270
 271 void
 272 on_toggle_justify(GtkToggleButton *button, ChimaraGlk *glk) {
 273         if( !gtk_toggle_button_get_active(button) )
 274                 return;
 275         g_object_set(current_tag, "justification", GTK_JUSTIFY_FILL, "justification-set", TRUE, NULL);
 276 }
 277
 278 void
 279 on_toggle_bold(GtkToggleButton *button, ChimaraGlk *glk) {
 280         if( gtk_toggle_button_get_active(button) )
 281                 g_object_set(current_tag, "weight", PANGO_WEIGHT_BOLD, "weight-set", TRUE, NULL);
 282         else
 283                 g_object_set(current_tag, "weight", PANGO_WEIGHT_NORMAL, "weight-set", TRUE, NULL);
 284 }
 285
 286 void
 287 on_toggle_italic(GtkToggleButton *button, ChimaraGlk *glk) {
 288         if( gtk_toggle_button_get_active(button) )
 289                 g_object_set(current_tag, "style", PANGO_STYLE_ITALIC, "style-set", TRUE, NULL);
 290         else
 291                 g_object_set(current_tag, "style", PANGO_STYLE_NORMAL, "style-set", TRUE, NULL);
 292 }
 293
 294 void
 295 on_toggle_underline(GtkToggleButton *button, ChimaraGlk *glk) {
 296         if( gtk_toggle_button_get_active(button) )
 297                 g_object_set(current_tag, "underline", PANGO_UNDERLINE_SINGLE, "underline-set", TRUE, NULL);
 298         else
 299                 g_object_set(current_tag, "underline", PANGO_UNDERLINE_NONE, "underline-set", TRUE, NULL);
 300 }
 301
 302 void
 303 on_foreground_color_set(GtkColorButton *button, ChimaraGlk *glk)
 304 {
 305         GdkColor color;
 306     gtk_color_button_get_color(button, &color);
 307         g_object_set(current_tag, "foreground-gdk", &color, "foreground-set", TRUE, NULL);
 308 }
 309
 310 void
 311 on_background_color_set(GtkColorButton *button, ChimaraGlk *glk)
 312 {
 313         GdkColor color;
 314     gtk_color_button_get_color(button, &color);
 315         g_object_set(current_tag, "background-gdk", &color, "background-set", TRUE, NULL);
 316 }
 317
 318 void
 319 on_font_set(GtkFontButton *button, ChimaraGlk *glk)
 320 {
 321         const gchar *font_name = gtk_font_button_get_font_name(button);
 322         PangoFontDescription *font_description = pango_font_description_from_string(font_name);
 323         g_object_set(current_tag, "font-desc", font_description, NULL);
 324 }
 325
 326 void
 327 on_css_filechooser_file_set(GtkFileChooserButton *button, ChimaraGlk *glk)
 328 {
 329         GError *error = NULL;
 330         extern GSettings *prefs_settings;
 331         char *filename = gtk_file_chooser_get_filename( GTK_FILE_CHOOSER(button) );
 332         if(!chimara_glk_set_css_from_file(glk, filename, &error)) {
 333                 error_dialog(NULL, error, "There was a problem reading the CSS file: ");
 334                 g_settings_set(prefs_settings, "css-file", "ms", NULL);
 335         } else {
 336                 g_settings_set(prefs_settings, "css-file", "ms", filename);
 337         }
 338         g_free(filename);
 339 }
 340
 341 void
 342 on_resource_file_set(GtkFileChooserButton *button, ChimaraGlk *glk)
 343 {
 344         extern GSettings *prefs_settings;
 345         char *filename = gtk_file_chooser_get_filename( GTK_FILE_CHOOSER(button) );
 346         g_settings_set(prefs_settings, "resource-path", "ms", filename);
 347         g_free(filename);
 348 }
 349
 350 void
 351 on_interpreter_cell_changed(GtkCellRendererCombo *combo, char *path_string, GtkTreeIter *new_iter, ChimaraGlk *glk)
 352 {
 353         unsigned int format, interpreter;
 354         format = (unsigned int)strtol(path_string, NULL, 10);
 355         GtkTreeModel *combo_model;
 356         g_object_get(combo, "model", &combo_model, NULL);
 357         char *combo_string = gtk_tree_model_get_string_from_iter(combo_model, new_iter);
 358         interpreter = (unsigned int)strtol(combo_string, NULL, 10);
 359         g_free(combo_string);
 360
 361         chimara_if_set_preferred_interpreter(CHIMARA_IF(glk), format, interpreter);
 362
 363         /* Display the new setting in the list */
 364         GtkTreeIter iter;
 365         GtkTreePath *path = gtk_tree_path_new_from_string(path_string);
 366         gtk_tree_model_get_iter(GTK_TREE_MODEL(preferred_list), &iter, path);
 367         gtk_tree_path_free(path);
 368         gtk_list_store_set(preferred_list, &iter,
 369                 1, interpreter_to_display_string(interpreter),
 370                 -1);
 371
 372         /* Save the new settings in the preferences file */
 373         extern GSettings *prefs_settings;
 374         GVariantBuilder *builder = g_variant_builder_new( G_VARIANT_TYPE("a{ss}") );
 375         unsigned int count;
 376         for(count = 0; count < CHIMARA_IF_NUM_FORMATS; count++) {
 377                 g_variant_builder_add(builder, "{ss}",
 378                         format_to_string(count),
 379                         interpreter_to_string(chimara_if_get_preferred_interpreter(CHIMARA_IF(glk), count)));
 380         }
 381         g_settings_set(prefs_settings, "preferred-interpreters", "a{ss}", builder);
 382         g_variant_builder_unref(builder);
 383 }