Fixed setting of proportional font in textgrids. Fixed text tag priorities, ticket #32
[projects/chimara/chimara.git] / 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         chimara_glk_update_style(glk);
256 }
257
258 void
259 on_toggle_center(GtkToggleButton *button, ChimaraGlk *glk) {
260         if( !gtk_toggle_button_get_active(button) )
261                 return;
262         g_object_set(current_tag, "justification", GTK_JUSTIFY_CENTER, "justification-set", TRUE, NULL);
263         chimara_glk_update_style(glk);
264 }
265
266 void
267 on_toggle_right(GtkToggleButton *button, ChimaraGlk *glk) {
268         if( !gtk_toggle_button_get_active(button) )
269                 return;
270         g_object_set(current_tag, "justification", GTK_JUSTIFY_RIGHT, "justification-set", TRUE, NULL);
271         chimara_glk_update_style(glk);
272 }
273
274 void
275 on_toggle_justify(GtkToggleButton *button, ChimaraGlk *glk) {
276         if( !gtk_toggle_button_get_active(button) )
277                 return;
278         g_object_set(current_tag, "justification", GTK_JUSTIFY_FILL, "justification-set", TRUE, NULL);
279         chimara_glk_update_style(glk);
280 }
281
282 void
283 on_toggle_bold(GtkToggleButton *button, ChimaraGlk *glk) {
284         if( gtk_toggle_button_get_active(button) )
285                 g_object_set(current_tag, "weight", PANGO_WEIGHT_BOLD, "weight-set", TRUE, NULL);
286         else
287                 g_object_set(current_tag, "weight", PANGO_WEIGHT_NORMAL, "weight-set", TRUE, NULL);
288
289         chimara_glk_update_style(glk);
290 }
291
292 void
293 on_toggle_italic(GtkToggleButton *button, ChimaraGlk *glk) {
294         if( gtk_toggle_button_get_active(button) )
295                 g_object_set(current_tag, "style", PANGO_STYLE_ITALIC, "style-set", TRUE, NULL);
296         else
297                 g_object_set(current_tag, "style", PANGO_STYLE_NORMAL, "style-set", TRUE, NULL);
298
299         chimara_glk_update_style(glk);
300 }
301
302 void
303 on_toggle_underline(GtkToggleButton *button, ChimaraGlk *glk) {
304         if( gtk_toggle_button_get_active(button) )
305                 g_object_set(current_tag, "underline", PANGO_UNDERLINE_SINGLE, "underline-set", TRUE, NULL);
306         else
307                 g_object_set(current_tag, "underline", PANGO_UNDERLINE_NONE, "underline-set", TRUE, NULL);
308
309         chimara_glk_update_style(glk);
310 }
311
312 void
313 on_foreground_color_set(GtkColorButton *button, ChimaraGlk *glk)
314 {
315         GdkColor color;
316     gtk_color_button_get_color(button, &color);
317         g_object_set(current_tag, "foreground-gdk", &color, "foreground-set", TRUE, NULL);
318         chimara_glk_update_style(glk);
319 }
320
321 void
322 on_background_color_set(GtkColorButton *button, ChimaraGlk *glk)
323 {
324         GdkColor color;
325     gtk_color_button_get_color(button, &color);
326         g_object_set(current_tag, "background-gdk", &color, "background-set", TRUE, NULL);
327         chimara_glk_update_style(glk);
328 }
329
330 void
331 on_font_set(GtkFontButton *button, ChimaraGlk *glk)
332 {
333         const gchar *font_name = gtk_font_button_get_font_name(button);
334         PangoFontDescription *font_description = pango_font_description_from_string(font_name);
335         g_object_set(current_tag, "font-desc", font_description, NULL);
336         chimara_glk_update_style(glk);
337 }
338
339 void
340 on_css_filechooser_file_set(GtkFileChooserButton *button, ChimaraGlk *glk)
341 {
342         GError *error = NULL;
343         extern GSettings *prefs_settings;
344         char *filename = gtk_file_chooser_get_filename( GTK_FILE_CHOOSER(button) );
345         if(!chimara_glk_set_css_from_file(glk, filename, &error)) {
346                 error_dialog(NULL, error, "There was a problem reading the CSS file: ");
347                 g_settings_set(prefs_settings, "css-file", "ms", NULL);
348         } else {
349                 g_settings_set(prefs_settings, "css-file", "ms", filename);
350         }
351         g_free(filename);
352 }
353
354 void
355 on_resource_file_set(GtkFileChooserButton *button, ChimaraGlk *glk)
356 {
357         extern GSettings *prefs_settings;
358         char *filename = gtk_file_chooser_get_filename( GTK_FILE_CHOOSER(button) );
359         g_settings_set(prefs_settings, "resource-path", "ms", filename);
360         g_free(filename);
361 }
362
363 void
364 on_interpreter_cell_changed(GtkCellRendererCombo *combo, char *path_string, GtkTreeIter *new_iter, ChimaraGlk *glk)
365 {
366         unsigned int format, interpreter;
367         format = (unsigned int)strtol(path_string, NULL, 10);
368         GtkTreeModel *combo_model;
369         g_object_get(combo, "model", &combo_model, NULL);
370         char *combo_string = gtk_tree_model_get_string_from_iter(combo_model, new_iter);
371         interpreter = (unsigned int)strtol(combo_string, NULL, 10);
372         g_free(combo_string);
373
374         chimara_if_set_preferred_interpreter(CHIMARA_IF(glk), format, interpreter);
375
376         /* Display the new setting in the list */
377         GtkTreeIter iter;
378         GtkTreePath *path = gtk_tree_path_new_from_string(path_string);
379         gtk_tree_model_get_iter(GTK_TREE_MODEL(preferred_list), &iter, path);
380         gtk_tree_path_free(path);
381         gtk_list_store_set(preferred_list, &iter,
382                 1, interpreter_to_display_string(interpreter),
383                 -1);
384
385         /* Save the new settings in the preferences file */
386         extern GSettings *prefs_settings;
387         GVariantBuilder *builder = g_variant_builder_new( G_VARIANT_TYPE("a{ss}") );
388         unsigned int count;
389         for(count = 0; count < CHIMARA_IF_NUM_FORMATS; count++) {
390                 g_variant_builder_add(builder, "{ss}",
391                         format_to_string(count),
392                         interpreter_to_string(chimara_if_get_preferred_interpreter(CHIMARA_IF(glk), count)));
393         }
394         g_settings_set(prefs_settings, "preferred-interpreters", "a{ss}", builder);
395         g_variant_builder_unref(builder);
396 }