ccb4dba6510de413fc05afb1e9d0bb79e4ed6435
[terminatorX.git] / src / tX_global.c
1 /*
2     terminatorX - realtime audio scratching software
3     Copyright (C) 1999-2016  Alexander K├Ânig
4  
5     This program is free software; you can redistribute it and/or modify
6     it under the terms of the GNU General Public License as published by
7     the Free Software Foundation; either version 2 of the License, or
8     (at your option) any later version.
9  
10     This program is distributed in the hope that it will be useful,
11     but WITHOUT ANY WARRANTY; without even the implied warranty of
12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13     GNU General Public License for more details.
14  
15     You should have received a copy of the GNU General Public License
16     along with this program.  If not, see <http://www.gnu.org/licenses/>.
17  
18     File: tX_global.c
19  
20     Description:  This file contains the routines for handling the
21                   "globals" block. Intializing, reading setup from
22                   disk and storing it.
23 */    
24
25 #include <config.h>
26 #include <stdio.h>
27 #include <stdlib.h>
28 #include "tX_types.h"
29 #include "tX_global.h"
30 #include "string.h"
31 #include <libxml/xmlmemory.h>
32 #include <libxml/parser.h>
33 #include <libxml/encoding.h>
34
35
36 #define TX_XML_RC_VERSION "1.0"
37
38 tx_global globals;
39 int _store_compress_xml=0;
40
41 #ifdef USE_ALSA_MIDI_IN
42 extern void tX_midiin_store_connections(FILE *rc, char *indent);
43 extern void tX_midiin_restore_connections(xmlNodePtr node);
44 #endif
45
46 void get_rc_name(char *buffer, int length)
47 {
48         strncpy(buffer,"", length);
49         if (globals.alternate_rc) {
50                 strncpy(buffer, globals.alternate_rc, length);
51         } else {
52                 if (getenv("HOME")) {
53                         strncpy(buffer, getenv("HOME"), length-16);
54                         if (buffer[strlen(buffer)-1]!='/')
55                         strcat(buffer, "/");
56                 }
57                 strcat(buffer, ".terminatorXrc");
58         }
59 }
60
61 void set_global_defaults() {
62         globals.startup_set = 0;
63         globals.store_globals = 1;
64         globals.no_gui = 0;
65         globals.alternate_rc = 0;
66         
67         strcpy(globals.xinput_device, "");
68         globals.xinput_enable=0;
69         
70         globals.update_idle=14;
71         globals.update_delay=1;
72         
73         strcpy(globals.oss_device, "/dev/dsp");
74         globals.oss_buff_no=2;
75         globals.oss_buff_size=9;
76         globals.oss_samplerate=44100;
77
78         strcpy(globals.alsa_device_id, "hw:0,0");       
79         globals.alsa_buffer_time=80000;
80         globals.alsa_period_time=20000;
81         globals.alsa_samplerate=44100;
82
83         globals.pulse_buffer_length=320;
84
85         globals.sense_cycles=80;
86         
87         globals.mouse_speed=0.8;
88         
89         globals.width=800;
90         globals.height=440;     
91         
92         globals.tooltips=1;
93         
94         globals.use_stdout=0;
95         globals.use_stdout_from_conf_file=0;
96         
97         globals.show_nag=1;
98         globals.input_fallback_warning=1;
99         globals.prelis=1;
100         
101         strcpy(globals.last_fn,"");
102         
103         globals.pitch=1.0;
104         globals.volume=1.0;
105         globals.gui_wrap=3;
106         
107         globals.flash_response=0.95;
108         globals.knob_size_override=0;
109         
110         globals.button_type=BUTTON_TYPE_BOTH;
111                 
112         globals.true_block_size=0;
113         
114         strcpy(globals.tables_filename, "");
115         strcpy(globals.record_filename, "tX_record.wav");
116         strcpy(globals.file_editor, "");
117
118 #ifdef USE_PULSE
119         globals.audiodevice_type=ALSA;
120 #else   
121 #ifdef USE_ALSA
122         globals.audiodevice_type=ALSA;
123 #else
124 #ifdef USE_OSS
125         globals.audiodevice_type=OSS;
126 #endif  
127 #endif  
128 #endif
129         globals.use_stdout_cmdline=0;
130         strcpy(globals.current_path, "");
131         strcpy(globals.lrdf_path, "/usr/share/ladspa/rdf:/usr/local/share/ladspa/rdf");
132         globals.fullscreen_enabled=0;
133         globals.confirm_events=0;
134         globals.compress_set_files=0;
135         
136         globals.vtt_inertia=10.0;
137         
138         globals.alsa_free_hwstats=0;
139         globals.filename_length=20;
140         globals.restore_midi_connections=1;
141         
142         strcpy(globals.wav_display_bg_focus, "#00004C");
143         strcpy(globals.wav_display_bg_no_focus, "#000000");
144
145         strcpy(globals.wav_display_fg_focus, "#FFFF00");
146         strcpy(globals.wav_display_fg_no_focus, "#00FF00");
147
148         strcpy(globals.wav_display_cursor, "#FF6666");
149         strcpy(globals.wav_display_cursor_mute, "#FFFFFF");     
150         
151         strcpy(globals.vu_meter_bg, "#000000");
152         strcpy(globals.vu_meter_loud, "#FF0000");
153         strcpy(globals.vu_meter_normal, "#00FF00");     
154         globals.vu_meter_border_intensity=0.7;
155         globals.quit_confirm=1;
156         globals.use_realtime=1;
157         globals.auto_assign_midi=0;
158         
159         globals.verbose_plugin_loading=0;
160         globals.force_nonrt_plugins=0;  
161 }
162
163 int load_globals_xml() {
164         char rc_name[PATH_MAX]="";      
165         char device_type[16]="oss";
166         xmlDocPtr doc;
167         xmlNodePtr cur;
168         int elementFound;
169         double dvalue;
170         char tmp_xml_buffer[4096];
171         
172         get_rc_name(rc_name, sizeof(rc_name));
173         
174         doc = xmlParseFile(rc_name);
175         
176         if (doc == NULL ) {
177                 fprintf(stderr, "tX: err: Error parsing terminatorXrc.\n");
178                 return 1;
179         }
180         
181         cur = xmlDocGetRootElement(doc);
182         
183         if (cur == NULL) {
184                 fprintf(stderr,"tX: err: terminatorXrc contains no elements.\n");
185                 xmlFreeDoc(doc);
186                 return 2;
187         }
188         
189         if (xmlStrcmp(cur->name, (const xmlChar *) "terminatorXrc")) {
190                 fprintf(stderr,"tX: err: This terminatorXrc is not a terminatorXrc.");
191                 xmlFreeDoc(doc);
192                 return 3;
193         }
194                 
195         for (cur=cur->xmlChildrenNode; cur != NULL; cur = cur->next) {
196                 if (cur->type == XML_ELEMENT_NODE) {                    
197                         elementFound=0;
198
199                         restore_int("store_globals", globals.store_globals);
200
201                         restore_string("audio_driver", device_type);
202                         
203                         restore_string("oss_device", globals.oss_device);
204                         restore_int("oss_buff_no", globals.oss_buff_no);
205                         restore_int("oss_buff_size", globals.oss_buff_size);
206                         restore_int("oss_samplerate", globals.oss_samplerate);
207
208                         restore_string("alsa_device_id", globals.alsa_device_id);
209                         restore_int("alsa_buffer_time", globals.alsa_buffer_time);
210                         restore_int("alsa_period_time", globals.alsa_period_time);
211                         restore_int("alsa_samplerate", globals.alsa_samplerate);
212                         restore_int("alsa_free_hwstats", globals.alsa_free_hwstats);
213                         
214                         restore_int("pulse_buffer_length", globals.pulse_buffer_length);
215
216                         restore_string("xinput_device", globals.xinput_device);
217                         restore_int("xinput_enable", globals.xinput_enable);
218                         restore_int("update_idle", globals.update_idle);
219                         restore_int("update_delay", globals.update_delay);
220                         restore_int("sense_cycles", globals.sense_cycles);
221                         restore_float("mouse_speed", globals.mouse_speed);
222                         restore_int("width", globals.width);
223                         restore_int("height", globals.height);
224                         restore_int("filename_length", globals.filename_length);
225                         restore_int("tooltips", globals.tooltips);
226                         restore_int("use_stdout", globals.use_stdout);
227                         restore_int("show_nag", globals.show_nag);
228                         restore_int("input_fallback_warning", globals.input_fallback_warning);
229                         restore_int("prelis", globals.prelis);
230                         restore_string("last_fn", globals.last_fn);
231                         restore_float("pitch", globals.pitch);
232                         restore_float("volume", globals.volume);
233                         restore_float("flash_response", globals.flash_response);
234                         restore_int("knob_size_override", globals.knob_size_override);
235                         restore_int("button_type", globals.button_type);
236                         restore_string("tables_filename", globals.tables_filename);
237                         restore_string("record_filename", globals.record_filename);
238                         restore_string("file_editor", globals.file_editor);
239                         restore_string("lrdf_path", globals.lrdf_path);
240                         restore_string("last_path", globals.current_path);
241                         
242                         restore_int("compress_set_files", globals.compress_set_files);
243                         restore_int("fullscreen_enabled", globals.fullscreen_enabled);
244                         restore_int("confirm_events", globals.confirm_events);
245                         restore_float("vtt_inertia", globals.vtt_inertia);
246                         restore_int("restore_midi_connections", globals.restore_midi_connections);
247                         
248                         restore_string("wav_display_bg_focus", globals.wav_display_bg_focus);
249                         restore_string("wav_display_bg_no_focus", globals.wav_display_bg_no_focus);
250                         restore_string("wav_display_fg_focus", globals.wav_display_fg_focus);
251                         restore_string("wav_display_fg_no_focus", globals.wav_display_fg_no_focus);
252                         restore_string("wav_display_cursor", globals.wav_display_cursor);
253                         restore_string("wav_display_cursor_mute", globals.wav_display_cursor_mute);
254                         
255                         restore_string("vu_meter_bg", globals.vu_meter_bg);
256                         restore_string("vu_meter_normal", globals.vu_meter_normal);
257                         restore_string("vu_meter_loud", globals.vu_meter_loud);
258                         
259                         restore_float("vu_meter_border_intensity", globals.vu_meter_border_intensity);
260
261                         restore_int("quit_confirm", globals.quit_confirm);
262                         restore_int("use_realtime", globals.use_realtime);
263                         restore_int("auto_assign_midi", globals.auto_assign_midi);
264                         restore_int("force_nonrt_plugins", globals.force_nonrt_plugins);
265                         restore_int("verbose_plugin_loading", globals.verbose_plugin_loading);
266
267 #ifdef USE_ALSA_MIDI_IN
268                         if (!elementFound && (xmlStrcmp(cur->name, (xmlChar *) "midi_connections")==0)) {
269                                 if (globals.restore_midi_connections) {
270                                         tX_midiin_restore_connections(cur);
271                                 }
272                                 elementFound=1;
273                         }
274 #endif                  
275
276                         if (!elementFound) {
277                                 fprintf(stderr, "tX: Unhandled XML element: \"%s\"\n", cur->name);
278                         }
279                 }
280         }
281
282         xmlFreeDoc(doc);
283         
284         if (strcmp(device_type, "alsa")==0) { globals.audiodevice_type=ALSA; }
285         else if (strcmp(device_type, "jack")==0) { globals.audiodevice_type=JACK; }
286         else if (strcmp(device_type, "pulse")==0) { globals.audiodevice_type=PULSE; }
287         else globals.audiodevice_type=OSS;
288         
289         return 0;
290 }
291
292 void store_globals() {
293         char rc_name[PATH_MAX+256]="";
294         char device_type[16];
295         char indent[32]="\t";
296         FILE *rc=NULL;
297         gzFile rz=NULL;
298         char tmp_xml_buffer[4096];
299         _store_compress_xml=0;
300         
301         get_rc_name(rc_name, sizeof(rc_name));
302
303         rc=fopen(rc_name, "w");
304         
305         switch (globals.audiodevice_type) {
306                 case PULSE:
307                         strcpy(device_type, "pulse");
308                         break;
309                 case JACK:
310                         strcpy(device_type, "jack");
311                         break;
312                 case ALSA:
313                         strcpy(device_type, "alsa");
314                         break;
315                 case OSS:
316                 default:
317                         strcpy(device_type, "oss");
318         }
319         
320         if (rc) {               
321                 fprintf(rc, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n\n");
322                 fprintf(rc, "<!-- Warning: this file will be rewritten by terminatorX on exit!\n     Don\'t waste your time adding comments - they will be erased -->\n\n" );
323                 fprintf(rc, "<terminatorXrc version=\"%s\">\n", TX_XML_RC_VERSION);
324
325                 store_int("store_globals", globals.store_globals);
326
327                 store_string("audio_driver", device_type);
328                 
329                 store_string("oss_device", globals.oss_device);
330                 store_int("oss_buff_no", globals.oss_buff_no);
331                 store_int("oss_buff_size", globals.oss_buff_size);
332                 store_int("oss_samplerate", globals.oss_samplerate);
333
334                 store_string("alsa_device_id", globals.alsa_device_id);
335                 store_int("alsa_buffer_time", globals.alsa_buffer_time);
336                 store_int("alsa_period_time", globals.alsa_period_time);
337                 store_int("alsa_samplerate", globals.alsa_samplerate);          
338                 store_int("alsa_free_hwstats", globals.alsa_free_hwstats);
339                 
340                 store_int("pulse_buffer_length", globals.pulse_buffer_length);
341
342                 store_string("xinput_device", globals.xinput_device);
343                 store_int("xinput_enable", globals.xinput_enable);
344                 store_int("update_idle", globals.update_idle);
345                 store_int("update_delay", globals.update_delay);
346                 store_int("sense_cycles", globals.sense_cycles);
347                 store_float("mouse_speed", globals.mouse_speed);
348                 store_int("width", globals.width);
349                 store_int("height", globals.height);
350                 store_int("filename_length", globals.filename_length);
351                 store_int("tooltips", globals.tooltips);
352                 store_int("use_stdout", globals.use_stdout);
353                 // globals.use_stdout_from_conf_file=0; What the heck is this?
354                 store_int("show_nag", globals.show_nag);
355                 store_int("input_fallback_warning", globals.input_fallback_warning);
356                 store_int("prelis", globals.prelis);
357                 store_string("last_fn", globals.last_fn);
358                 store_float("pitch", globals.pitch);
359                 store_float("volume", globals.volume);
360                 store_float("flash_response", globals.flash_response);
361                 store_int("knob_size_override", globals.knob_size_override);
362                 store_int("button_type", globals.button_type);
363                 store_string("tables_filename", globals.tables_filename);
364                 store_string("record_filename", globals.record_filename);
365                 store_string("file_editor", globals.file_editor);
366                 store_string("lrdf_path", globals.lrdf_path);
367                 store_int("compress_set_files", globals.compress_set_files);
368                 store_int("fullscreen_enabled", globals.fullscreen_enabled);
369                 store_int("confirm_events", globals.confirm_events);
370                 store_float("vtt_inertia", globals.vtt_inertia);
371
372                 store_string("last_path", globals.current_path);
373                 store_int("restore_midi_connections", globals.restore_midi_connections);
374
375                 store_string("wav_display_bg_focus", globals.wav_display_bg_focus);
376                 store_string("wav_display_bg_no_focus", globals.wav_display_bg_no_focus);
377                 store_string("wav_display_fg_focus", globals.wav_display_fg_focus);
378                 store_string("wav_display_fg_no_focus", globals.wav_display_fg_no_focus);
379                 store_string("wav_display_cursor", globals.wav_display_cursor);
380                 store_string("wav_display_cursor_mute", globals.wav_display_cursor_mute);
381
382                 store_string("vu_meter_bg", globals.vu_meter_bg);
383                 store_string("vu_meter_normal", globals.vu_meter_normal);
384                 store_string("vu_meter_loud", globals.vu_meter_loud);
385                         
386                 store_float("vu_meter_border_intensity", globals.vu_meter_border_intensity);
387
388                 store_int("quit_confirm", globals.quit_confirm);
389                 store_int("use_realtime", globals.use_realtime);
390                 store_int("auto_assign_midi", globals.auto_assign_midi);
391                 
392                 store_int("verbose_plugin_loading", globals.verbose_plugin_loading);
393                 store_int("force_nonrt_plugins", globals.force_nonrt_plugins);
394
395 #ifdef USE_ALSA_MIDI_IN
396                 tX_midiin_store_connections(rc, indent);
397 #endif          
398
399                 fprintf(rc,"</terminatorXrc>\n");
400         }
401 }
402
403 #ifdef ENABLE_TX_LEGACY
404 extern void load_globals_old();
405 #endif
406
407 void load_globals() {
408         set_global_defaults();
409
410         if (load_globals_xml()!=0) {
411                 fprintf(stderr, "tX: Failed loading terminatorXrc - trying to load old binary rc.\n");
412 #ifdef ENABLE_TX_LEGACY         
413                 load_globals_old();
414 #endif          
415         }
416 }
417
418 char *encode_xml(char *dest, const char *src) {
419         int i, t, max;
420         char tmp[4096];
421         int outlen=4096;
422         int inlen;
423         int res;
424         
425         tmp[0]=0;
426         t=0;
427         max=strlen(src);
428         
429         for (i=0; i<max; i++) {
430                 switch (src[i]) {
431                         case '<': tmp[t]=0; strcat(tmp, "&lt;"); t+=4; break;
432                         case '>': tmp[t]=0; strcat(tmp, "&gt;"); t+=4; break;
433                         case '&': tmp[t]=0; strcat(tmp, "&amp;"); t+=5; break;
434                         case '"': tmp[t]=0; strcat(tmp, "&quot;"); t+=6; break;
435                         case '\'': strcat(tmp, "&apos;"); t+=7; break;
436                         default: tmp[t]=src[i]; t++;
437                 }
438         }
439         tmp[t]=0;
440
441         inlen=t;
442         res=isolat1ToUTF8((unsigned char *) dest, &outlen, (unsigned char *) tmp, &inlen);
443         dest[outlen]=0;
444         if (res<0) {
445                 tX_error("failed to encode string (%s) to UTF-8.", src);
446         }
447         
448         return dest;
449 }
450
451 char *decode_xml(char *dest, const char *src) {
452         int inlen=strlen(src);
453         int outlen=4096;
454         
455         int res=UTF8Toisolat1((unsigned char *) dest, &outlen, (const unsigned char *) src, &inlen);
456         dest[outlen]=0;
457         
458         if (res<0) {
459                 tX_error("failed to decode UTF-8 string (%s).", src);
460         }
461         
462         return dest;
463 }