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  1. /* SpiralPlugin
  2. * Copyleft (C) 2000 David Griffiths <dave@pawfal.org>
  3. *
  4. * This program is free software; you can redistribute it and/or modify
  5. * it under the terms of the GNU General Public License as published by
  6. * the Free Software Foundation; either version 2 of the License, or
  7. * (at your option) any later version.
  8. *
  9. * This program is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. * GNU General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU General Public License
  15. * along with this program; if not, write to the Free Software
  16. * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17. */
  18. #include "OscillatorPluginGUI.h"
  19. #include <FL/fl_draw.h>
  20. #include <FL/fl_draw.H>
  21. #include "../GUI/WS_Square.h"
  22. #include "../GUI/WS_Noise.h"
  23. #include "../GUI/WS_Saw.h"
  24. OscillatorPluginGUI::OscillatorPluginGUI (int w, int h, OscillatorPlugin *o, ChannelHandler *ch, const HostInfo *Info) :
  25. SpiralPluginGUI (w, h, o, ch),
  26. m_PixmapSquare (image_Square),
  27. m_PixmapNoise (image_Noise),
  28. m_PixmapSaw (image_Saw),
  29. m_FineFreq (0)
  30. {
  31. m_ShapeSquare = new Fl_LED_Button (2, 24, 23, 23);
  32. m_ShapeSquare->type (FL_RADIO_BUTTON);
  33. m_PixmapSquare.label (m_ShapeSquare);
  34. m_ShapeSquare->set();
  35. m_ShapeSquare->callback ((Fl_Callback*)cb_Square);
  36. add (m_ShapeSquare);
  37. m_ShapeSaw = new Fl_LED_Button (2, 58, 23, 23);
  38. m_ShapeSaw->type (FL_RADIO_BUTTON);
  39. m_PixmapSaw.label (m_ShapeSaw);
  40. m_ShapeSaw->callback ((Fl_Callback*)cb_Saw);
  41. add (m_ShapeSaw);
  42. m_ShapeNoise = new Fl_LED_Button (2, 92, 23, 23);
  43. m_ShapeNoise->type (FL_RADIO_BUTTON);
  44. m_PixmapNoise.label (m_ShapeNoise);
  45. m_ShapeNoise->callback ((Fl_Callback*)cb_Noise);
  46. add (m_ShapeNoise);
  47. m_Tabs = new Fl_Tabs (44, 10, 168, 124);
  48. m_Tabs->box (FL_PLASTIC_DOWN_BOX);
  49. m_Tabs->color (Info->GUI_COLOUR);
  50. add (m_Tabs);
  51. m_CtlGroup = new Fl_Group (44, 24, 168, 110, "Control");
  52. m_CtlGroup->labelsize (10);
  53. m_Tabs->add (m_CtlGroup);
  54. m_PulseWidth = new Fl_Slider (50, 32, 20, 86, "PW");
  55. m_PulseWidth->user_data ((void*)(this));
  56. m_PulseWidth->type (FL_VERT_NICE_SLIDER);
  57. m_PulseWidth->box (FL_PLASTIC_DOWN_BOX);
  58. m_PulseWidth->selection_color (Info->GUI_COLOUR);
  59. m_PulseWidth->labelsize (10);
  60. m_PulseWidth->maximum (1);
  61. m_PulseWidth->step (0.01);
  62. m_PulseWidth->value (0.5);
  63. m_PulseWidth->callback ((Fl_Callback*)cb_PulseWidth);
  64. m_CtlGroup->add (m_PulseWidth);
  65. m_SHLen = new Fl_Slider (74, 32, 20, 86, "SH");
  66. m_SHLen->user_data ((void*)(this));
  67. m_SHLen->type (FL_VERT_NICE_SLIDER);
  68. m_SHLen->box (FL_PLASTIC_DOWN_BOX);
  69. m_SHLen->selection_color (Info->GUI_COLOUR);
  70. m_SHLen->labelsize (10);
  71. m_SHLen->maximum (0.2);
  72. m_SHLen->step (0.001);
  73. m_SHLen->value (0.1);
  74. m_SHLen->callback ((Fl_Callback*)cb_SHLen);
  75. m_CtlGroup->add (m_SHLen);
  76. m_FineTune = new Fl_Knob (98, 32, 60, 60, "Fine Tune");
  77. m_FineTune->user_data ((void*)(this));
  78. m_FineTune->color (Info->GUI_COLOUR);
  79. m_FineTune->type (Fl_Knob::LINELIN);
  80. m_FineTune->labelsize (10);
  81. m_FineTune->scaleticks (20);
  82. m_FineTune->maximum (1.414);
  83. m_FineTune->step (0.000001);
  84. m_FineTune->value (1);
  85. m_FineTune->callback ((Fl_Callback*)cb_FineTune);
  86. m_CtlGroup->add (m_FineTune);
  87. m_Reset = new Fl_Button (108, 106, 40, 20, "Reset");
  88. m_Reset->user_data ((void*)(this));
  89. m_Reset->labelsize (10);
  90. m_Reset->box (FL_PLASTIC_UP_BOX);
  91. m_Reset->color (Info->GUI_COLOUR);
  92. m_Reset->selection_color (Info->GUI_COLOUR);
  93. m_Reset->callback ((Fl_Callback*)cb_Reset);
  94. m_CtlGroup->add (m_Reset);
  95. m_Octave = new Fl_Knob (160, 27, 40, 40, "Octave");
  96. m_Octave->user_data ((void*)(this));
  97. m_Octave->color (Info->GUI_COLOUR);
  98. m_Octave->type (Fl_Knob::LINELIN);
  99. m_Octave->labelsize (10);
  100. m_Octave->maximum (6);
  101. m_Octave->step (1);
  102. m_Octave->value (3);
  103. m_Octave->scaleticks (6);
  104. m_Octave->cursor (50);
  105. m_Octave->callback ((Fl_Callback*)cb_Octave);
  106. m_CtlGroup->add (m_Octave);
  107. m_ModAmount = new Fl_Knob (160, 79, 40, 40, "Mod Depth");
  108. m_ModAmount->user_data ((void*)(this));
  109. m_ModAmount->color (Info->GUI_COLOUR);
  110. m_ModAmount->type (Fl_Knob::LINELIN);
  111. m_ModAmount->labelsize (10);
  112. m_ModAmount->maximum (2.0f);
  113. m_ModAmount->step (0.001);
  114. m_ModAmount->value (1.0);
  115. m_ModAmount->callback ((Fl_Callback*)cb_ModAmount);
  116. m_CtlGroup->add (m_ModAmount);
  117. m_NumGroup = new Fl_Group (44, 24, 168, 110, "Numbers");
  118. m_NumGroup->labelsize (10);
  119. m_Tabs->add (m_NumGroup);
  120. m_NumPulseWidth = new Fl_Counter (54, 32, 55, 20, "PW (%)");
  121. m_NumPulseWidth->user_data ((void*)(this));
  122. m_NumPulseWidth->type (FL_SIMPLE_COUNTER);
  123. m_NumPulseWidth->box (FL_PLASTIC_UP_BOX);
  124. m_NumPulseWidth->color (Info->GUI_COLOUR);
  125. m_NumPulseWidth->labelsize (10);
  126. m_NumPulseWidth->textsize (10);
  127. m_NumPulseWidth->minimum (0);
  128. m_NumPulseWidth->maximum (100);
  129. m_NumPulseWidth->step (1);
  130. m_NumPulseWidth->value (m_PulseWidth->value() * 100);
  131. m_NumPulseWidth->callback ((Fl_Callback*)cb_NumPulseWidth);
  132. m_NumGroup->add (m_NumPulseWidth);
  133. m_NumSHLen = new Fl_Counter (54, 98, 55, 20, "S&H (Secs)");
  134. m_NumSHLen->user_data ((void*)(this));
  135. m_NumSHLen->type (FL_SIMPLE_COUNTER);
  136. m_NumSHLen->box (FL_PLASTIC_UP_BOX);
  137. m_NumSHLen->color (Info->GUI_COLOUR);
  138. m_NumSHLen->labelsize (10);
  139. m_NumSHLen->textsize (10);
  140. m_NumSHLen->minimum (0);
  141. m_NumSHLen->maximum (0.2f);
  142. m_NumSHLen->step (.001);
  143. //m_NumSHLen->lstep (.1);
  144. m_NumSHLen->value (0.2f - m_SHLen->value());
  145. m_NumSHLen->callback ((Fl_Callback*)cb_NumSHLen);
  146. m_NumGroup->add (m_NumSHLen);
  147. m_NumFreq = new Fl_Counter (114, 32, 90, 20, "Freq (Hz)");
  148. m_NumFreq->user_data ((void*)(this));
  149. m_NumFreq->box (FL_PLASTIC_UP_BOX);
  150. m_NumFreq->color (Info->GUI_COLOUR);
  151. m_NumFreq->labelsize (10);
  152. m_NumFreq->textsize (10);
  153. m_NumFreq->minimum (0);
  154. m_NumFreq->step (0.1);
  155. m_NumFreq->lstep (10);
  156. m_NumFreq->callback ((Fl_Callback*)cb_NumFreq);
  157. m_NumGroup->add (m_NumFreq);
  158. m_NumOctave = new Fl_Counter (128, 66, 64, 20, "Octave");
  159. m_NumOctave->user_data ((void*)(this));
  160. m_NumOctave->type (FL_SIMPLE_COUNTER);
  161. m_NumOctave->box (FL_PLASTIC_UP_BOX);
  162. m_NumOctave->color (Info->GUI_COLOUR);
  163. m_NumOctave->labelsize (10);
  164. m_NumOctave->textsize (10);
  165. m_NumOctave->minimum (-3);
  166. m_NumOctave->maximum (3);
  167. m_NumOctave->step (1);
  168. m_NumOctave->value (0);
  169. m_NumOctave->callback ((Fl_Callback*)cb_NumOctave);
  170. m_NumGroup->add (m_NumOctave);
  171. m_NumModAmount = new Fl_Counter (128, 98, 64, 20, "Mod (%)");
  172. m_NumModAmount->user_data ((void*)(this));
  173. m_NumModAmount->type (FL_SIMPLE_COUNTER);
  174. m_NumModAmount->box (FL_PLASTIC_UP_BOX);
  175. m_NumModAmount->color (Info->GUI_COLOUR);
  176. m_NumModAmount->labelsize (10);
  177. m_NumModAmount->textsize (10);
  178. m_NumModAmount->minimum (0);
  179. m_NumModAmount->maximum (200);
  180. m_NumModAmount->step (1);
  181. m_NumModAmount->value (m_ModAmount->value() * 100);
  182. m_NumModAmount->callback ((Fl_Callback*)cb_NumModAmount);
  183. m_NumGroup->add (m_NumModAmount);
  184. end();
  185. UpdateFreq();
  186. }
  187. void OscillatorPluginGUI::UpdateValues (SpiralPlugin *o) {
  188. float val;
  189. OscillatorPlugin *Plugin = (OscillatorPlugin*)o;
  190. m_ShapeSquare->value(0);
  191. m_ShapeNoise->value(0);
  192. m_ShapeSaw->value(0);
  193. switch (Plugin->GetType()) {
  194. case OscillatorPlugin::SQUARE : m_ShapeSquare->value(1); break;
  195. case OscillatorPlugin::NOISE : m_ShapeNoise->value(1); break;
  196. case OscillatorPlugin::SAW : m_ShapeSaw->value(1); break;
  197. case OscillatorPlugin::NONE : break;
  198. }
  199. val = Plugin->GetPulseWidth();
  200. m_PulseWidth->value (val);
  201. m_NumPulseWidth->value (val * 100);
  202. val = Plugin->GetModAmount();
  203. m_ModAmount->value (val);
  204. m_NumModAmount->value (val * 100);
  205. val = 0.2f - Plugin->GetSHLen();
  206. m_SHLen->value (val);
  207. m_NumSHLen->value (val);
  208. m_NumOctave->value (Plugin->GetOctave());
  209. m_Octave->value ((int)m_NumOctave->value() + 3);
  210. m_FineTune->value (sqrt (Plugin->GetFineFreq()));
  211. UpdateFreq();
  212. }
  213. // Utility functions
  214. float OscillatorPluginGUI::CalcFineFreq (float Fine) {
  215. int oct = (int)m_NumOctave->value();
  216. m_FineFreq = Fine * Fine;
  217. float fr = 110.0f * m_FineFreq;
  218. if (oct > 0) fr *= 1 << oct;
  219. if (oct < 0) fr /= 1 << (-oct);
  220. return fr;
  221. }
  222. void OscillatorPluginGUI::UpdateFreq (void) {
  223. // always do max first - CalcFineFreq leaves a value in m_FineFreq
  224. m_NumFreq->maximum (CalcFineFreq (m_FineTune->maximum()));
  225. m_NumFreq->value (CalcFineFreq (m_FineTune->value()));
  226. }
  227. // Callbacks - Controls outside the tabs
  228. inline void OscillatorPluginGUI::cb_Square_i (Fl_LED_Button* o, void* v) {
  229. m_GUICH->Set ("Type", (char)OscillatorPlugin::SQUARE);
  230. }
  231. void OscillatorPluginGUI::cb_Square (Fl_LED_Button* o, void* v) {
  232. ((OscillatorPluginGUI*)(o->parent()))->cb_Square_i (o, v);
  233. }
  234. inline void OscillatorPluginGUI::cb_Saw_i (Fl_LED_Button* o, void* v) {
  235. m_GUICH->Set ("Type", (char)OscillatorPlugin::SAW);
  236. }
  237. void OscillatorPluginGUI::cb_Saw (Fl_LED_Button* o, void* v) {
  238. ((OscillatorPluginGUI*)(o->parent()))->cb_Saw_i (o, v);
  239. }
  240. inline void OscillatorPluginGUI::cb_Noise_i (Fl_LED_Button* o, void* v) {
  241. m_GUICH->Set ("Type",(char)OscillatorPlugin::NOISE);
  242. }
  243. void OscillatorPluginGUI::cb_Noise (Fl_LED_Button* o, void* v) {
  244. ((OscillatorPluginGUI*)(o->parent()))->cb_Noise_i (o, v);
  245. }
  246. // Callbacks - Control Group
  247. inline void OscillatorPluginGUI::cb_PulseWidth_i (Fl_Slider* o, void* v) {
  248. float val = o->value();
  249. m_GUICH->Set ("PulseWidth", val);
  250. m_NumPulseWidth->value (val * 100);
  251. }
  252. void OscillatorPluginGUI::cb_PulseWidth (Fl_Slider* o, void* v) {
  253. ((OscillatorPluginGUI*)(o->user_data()))->cb_PulseWidth_i (o, v);
  254. }
  255. inline void OscillatorPluginGUI::cb_SHLen_i (Fl_Slider* o, void* v) {
  256. float val = 0.2f - o->value();
  257. m_GUICH->Set ("SHLen", val);
  258. m_NumSHLen->value (val);
  259. }
  260. void OscillatorPluginGUI::cb_SHLen (Fl_Slider* o, void* v) {
  261. ((OscillatorPluginGUI*)(o->user_data()))->cb_SHLen_i (o, v);
  262. }
  263. inline void OscillatorPluginGUI::cb_FineTune_i (Fl_Knob* o, void* v) {
  264. UpdateFreq();
  265. m_GUICH->Set ("FineFreq", m_FineFreq);
  266. }
  267. void OscillatorPluginGUI::cb_FineTune (Fl_Knob* o, void* v) {
  268. ((OscillatorPluginGUI*)(o->user_data()))->cb_FineTune_i (o, v);
  269. }
  270. inline void OscillatorPluginGUI::cb_Reset_i (Fl_Button* o, void* v) {
  271. m_FineTune->value (1);
  272. UpdateFreq();
  273. m_GUICH->Set ("FineFreq", m_FineFreq);
  274. }
  275. void OscillatorPluginGUI::cb_Reset (Fl_Button* o, void* v) {
  276. ((OscillatorPluginGUI*)(o->user_data()))->cb_Reset_i (o, v);
  277. }
  278. inline void OscillatorPluginGUI::cb_Octave_i (Fl_Knob* o, void* v) {
  279. m_NumOctave->value ((int)m_Octave->value() - 3);
  280. UpdateFreq();
  281. m_GUICH->Set ("Octave", (int)m_NumOctave->value ());
  282. }
  283. void OscillatorPluginGUI::cb_Octave (Fl_Knob* o, void* v) {
  284. ((OscillatorPluginGUI*)(o->user_data()))->cb_Octave_i (o, v);
  285. }
  286. inline void OscillatorPluginGUI::cb_ModAmount_i (Fl_Knob* o, void* v) {
  287. float val = o->value();
  288. m_GUICH->Set ("ModAmount", val);
  289. m_NumModAmount->value (val * 100);
  290. }
  291. void OscillatorPluginGUI::cb_ModAmount (Fl_Knob* o, void* v) {
  292. ((OscillatorPluginGUI*)(o->user_data()))->cb_ModAmount_i (o, v);
  293. }
  294. // Callbacks - Number Group
  295. inline void OscillatorPluginGUI::cb_NumPulseWidth_i (Fl_Counter* o, void* v) {
  296. float val = o->value() / 100;
  297. m_GUICH->Set ("PulseWidth", val);
  298. m_PulseWidth->value (val);
  299. }
  300. void OscillatorPluginGUI::cb_NumPulseWidth (Fl_Counter* o, void* v) {
  301. ((OscillatorPluginGUI*)(o->user_data()))->cb_NumPulseWidth_i (o, v);
  302. }
  303. inline void OscillatorPluginGUI::cb_NumSHLen_i (Fl_Counter* o, void* v) {
  304. float val = o->value();
  305. m_GUICH->Set ("SHLen", val);
  306. m_SHLen->value (0.2f - val);
  307. }
  308. void OscillatorPluginGUI::cb_NumSHLen (Fl_Counter* o, void* v) {
  309. ((OscillatorPluginGUI*)(o->user_data()))->cb_NumSHLen_i (o, v);
  310. }
  311. inline void OscillatorPluginGUI::cb_NumFreq_i (Fl_Counter* o, void* v) {
  312. int oct = (int)m_NumOctave->value();
  313. float fr = o->value ();
  314. if (oct > 0) fr /= 1 << oct;
  315. if (oct < 0) fr *= 1 << (-oct);
  316. m_FineFreq = fr / 110.0f;
  317. m_GUICH->Set ("FineFreq", m_FineFreq);
  318. m_FineTune->value (sqrt (m_FineFreq));
  319. }
  320. void OscillatorPluginGUI::cb_NumOctave (Fl_Counter* o, void* v) {
  321. ((OscillatorPluginGUI*)(o->user_data()))->cb_NumOctave_i (o, v);
  322. }
  323. inline void OscillatorPluginGUI::cb_NumOctave_i (Fl_Counter* o, void* v) {
  324. m_Octave->value ((int)m_NumOctave->value() + 3);
  325. UpdateFreq();
  326. m_GUICH->Set ("Octave", (int)m_NumOctave->value ());
  327. }
  328. void OscillatorPluginGUI::cb_NumFreq (Fl_Counter* o, void* v) {
  329. ((OscillatorPluginGUI*)(o->user_data()))->cb_NumFreq_i (o, v);
  330. }
  331. inline void OscillatorPluginGUI::cb_NumModAmount_i (Fl_Counter* o, void* v) {
  332. float val = o->value() / 100;
  333. m_GUICH->Set ("ModAmount", val);
  334. m_ModAmount->value (val);
  335. }
  336. void OscillatorPluginGUI::cb_NumModAmount (Fl_Counter* o, void* v) {
  337. ((OscillatorPluginGUI*)(o->user_data()))->cb_NumModAmount_i (o, v);
  338. }
  339. // Help Text
  340. const string OscillatorPluginGUI::GetHelpText(const string &loc){
  341. return string("")
  342. + "The Oscillator generates raw waveforms from CV controls. Three wave \n"
  343. + "shapes are included, Square wave, Triangle wave and white noise.\n\n"
  344. + "In the square and triangle shapes, the Frequency CV controls the pitch \n"
  345. + "of the signal generated, and the pulse-width turns the squarewave into \n"
  346. + "a pulse wave of varying harmonics, and the triangle wave into a sawtooth,\n"
  347. + "or reverse sawtooth wave.\n\n"
  348. + "The sample & hold CV changes the time between samples with the white noise.\n"
  349. + "This is usful for making the Oscillator into a random CV generator.\n\n"
  350. + "The plugin window allows you to select the wave shape, set the octave and\n"
  351. + "fine tune the frequency (use the reset button to reset the frequency back\n"
  352. + "to it's default value). There are also controls to set the pulse-width,\n"
  353. + "sample and hold manually, and control the modulation depth of the input CV's.\n\n"
  354. + "The frequency can be set extremely low on this oscillator, so you can use\n"
  355. + "it as an LFO for controlling other plugins.";
  356. }