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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. using namespace std;
  25. OscillatorPluginGUI::OscillatorPluginGUI (int w, int h, OscillatorPlugin *o, ChannelHandler *ch, const HostInfo *Info) :
  26. SpiralPluginGUI (w, h, o, ch),
  27. m_PixmapSquare (image_Square),
  28. m_PixmapNoise (image_Noise),
  29. m_PixmapSaw (image_Saw),
  30. m_FineFreq (0)
  31. {
  32. m_ShapeSquare = new Fl_LED_Button (2, 24, 23, 23);
  33. m_ShapeSquare->type (FL_RADIO_BUTTON);
  34. m_PixmapSquare.label (m_ShapeSquare);
  35. m_ShapeSquare->set();
  36. m_ShapeSquare->callback ((Fl_Callback*)cb_Square);
  37. add (m_ShapeSquare);
  38. m_ShapeSaw = new Fl_LED_Button (2, 58, 23, 23);
  39. m_ShapeSaw->type (FL_RADIO_BUTTON);
  40. m_PixmapSaw.label (m_ShapeSaw);
  41. m_ShapeSaw->callback ((Fl_Callback*)cb_Saw);
  42. add (m_ShapeSaw);
  43. m_ShapeNoise = new Fl_LED_Button (2, 92, 23, 23);
  44. m_ShapeNoise->type (FL_RADIO_BUTTON);
  45. m_PixmapNoise.label (m_ShapeNoise);
  46. m_ShapeNoise->callback ((Fl_Callback*)cb_Noise);
  47. add (m_ShapeNoise);
  48. m_Tabs = new Fl_Tabs (44, 10, 168, 124);
  49. m_Tabs->box (FL_PLASTIC_DOWN_BOX);
  50. m_Tabs->color (Info->GUI_COLOUR);
  51. add (m_Tabs);
  52. m_CtlGroup = new Fl_Group (44, 24, 168, 110, "Control");
  53. m_CtlGroup->labelsize (10);
  54. m_Tabs->add (m_CtlGroup);
  55. m_PulseWidth = new Fl_Slider (50, 32, 20, 86, "PW");
  56. m_PulseWidth->user_data ((void*)(this));
  57. m_PulseWidth->type (FL_VERT_NICE_SLIDER);
  58. m_PulseWidth->box (FL_PLASTIC_DOWN_BOX);
  59. m_PulseWidth->selection_color (Info->GUI_COLOUR);
  60. m_PulseWidth->labelsize (10);
  61. m_PulseWidth->maximum (1);
  62. m_PulseWidth->step (0.01);
  63. m_PulseWidth->value (0.5);
  64. m_PulseWidth->callback ((Fl_Callback*)cb_PulseWidth);
  65. m_CtlGroup->add (m_PulseWidth);
  66. m_SHLen = new Fl_Slider (74, 32, 20, 86, "SH");
  67. m_SHLen->user_data ((void*)(this));
  68. m_SHLen->type (FL_VERT_NICE_SLIDER);
  69. m_SHLen->box (FL_PLASTIC_DOWN_BOX);
  70. m_SHLen->selection_color (Info->GUI_COLOUR);
  71. m_SHLen->labelsize (10);
  72. m_SHLen->maximum (0.2);
  73. m_SHLen->step (0.001);
  74. m_SHLen->value (0.1);
  75. m_SHLen->callback ((Fl_Callback*)cb_SHLen);
  76. m_CtlGroup->add (m_SHLen);
  77. m_FineTune = new Fl_Knob (98, 32, 60, 60, "Fine Tune");
  78. m_FineTune->user_data ((void*)(this));
  79. m_FineTune->color (Info->GUI_COLOUR);
  80. m_FineTune->type (Fl_Knob::LINELIN);
  81. m_FineTune->labelsize (10);
  82. m_FineTune->scaleticks (20);
  83. m_FineTune->maximum (1.414);
  84. m_FineTune->step (0.000001);
  85. m_FineTune->value (1);
  86. m_FineTune->callback ((Fl_Callback*)cb_FineTune);
  87. m_CtlGroup->add (m_FineTune);
  88. m_Reset = new Fl_Button (108, 106, 40, 20, "Reset");
  89. m_Reset->user_data ((void*)(this));
  90. m_Reset->labelsize (10);
  91. m_Reset->box (FL_PLASTIC_UP_BOX);
  92. m_Reset->color (Info->GUI_COLOUR);
  93. m_Reset->selection_color (Info->GUI_COLOUR);
  94. m_Reset->callback ((Fl_Callback*)cb_Reset);
  95. m_CtlGroup->add (m_Reset);
  96. m_Octave = new Fl_Knob (160, 27, 40, 40, "Octave");
  97. m_Octave->user_data ((void*)(this));
  98. m_Octave->color (Info->GUI_COLOUR);
  99. m_Octave->type (Fl_Knob::LINELIN);
  100. m_Octave->labelsize (10);
  101. m_Octave->maximum (6);
  102. m_Octave->step (1);
  103. m_Octave->value (3);
  104. m_Octave->scaleticks (6);
  105. m_Octave->cursor (50);
  106. m_Octave->callback ((Fl_Callback*)cb_Octave);
  107. m_CtlGroup->add (m_Octave);
  108. m_ModAmount = new Fl_Knob (160, 79, 40, 40, "Mod Depth");
  109. m_ModAmount->user_data ((void*)(this));
  110. m_ModAmount->color (Info->GUI_COLOUR);
  111. m_ModAmount->type (Fl_Knob::LINELIN);
  112. m_ModAmount->labelsize (10);
  113. m_ModAmount->maximum (2.0f);
  114. m_ModAmount->step (0.001);
  115. m_ModAmount->value (1.0);
  116. m_ModAmount->callback ((Fl_Callback*)cb_ModAmount);
  117. m_CtlGroup->add (m_ModAmount);
  118. m_NumGroup = new Fl_Group (44, 24, 168, 110, "Numbers");
  119. m_NumGroup->labelsize (10);
  120. m_Tabs->add (m_NumGroup);
  121. m_NumPulseWidth = new Fl_Counter (54, 32, 55, 20, "PW (%)");
  122. m_NumPulseWidth->user_data ((void*)(this));
  123. m_NumPulseWidth->type (FL_SIMPLE_COUNTER);
  124. m_NumPulseWidth->box (FL_PLASTIC_UP_BOX);
  125. m_NumPulseWidth->color (Info->GUI_COLOUR);
  126. m_NumPulseWidth->labelsize (10);
  127. m_NumPulseWidth->textsize (10);
  128. m_NumPulseWidth->minimum (0);
  129. m_NumPulseWidth->maximum (100);
  130. m_NumPulseWidth->step (1);
  131. m_NumPulseWidth->value (m_PulseWidth->value() * 100);
  132. m_NumPulseWidth->callback ((Fl_Callback*)cb_NumPulseWidth);
  133. m_NumGroup->add (m_NumPulseWidth);
  134. m_NumSHLen = new Fl_Counter (54, 98, 55, 20, "S&H (Secs)");
  135. m_NumSHLen->user_data ((void*)(this));
  136. m_NumSHLen->type (FL_SIMPLE_COUNTER);
  137. m_NumSHLen->box (FL_PLASTIC_UP_BOX);
  138. m_NumSHLen->color (Info->GUI_COLOUR);
  139. m_NumSHLen->labelsize (10);
  140. m_NumSHLen->textsize (10);
  141. m_NumSHLen->minimum (0);
  142. m_NumSHLen->maximum (0.2f);
  143. m_NumSHLen->step (.001);
  144. //m_NumSHLen->lstep (.1);
  145. m_NumSHLen->value (0.2f - m_SHLen->value());
  146. m_NumSHLen->callback ((Fl_Callback*)cb_NumSHLen);
  147. m_NumGroup->add (m_NumSHLen);
  148. m_NumFreq = new Fl_Counter (114, 32, 90, 20, "Freq (Hz)");
  149. m_NumFreq->user_data ((void*)(this));
  150. m_NumFreq->box (FL_PLASTIC_UP_BOX);
  151. m_NumFreq->color (Info->GUI_COLOUR);
  152. m_NumFreq->labelsize (10);
  153. m_NumFreq->textsize (10);
  154. m_NumFreq->minimum (0);
  155. m_NumFreq->step (0.1);
  156. m_NumFreq->lstep (10);
  157. m_NumFreq->callback ((Fl_Callback*)cb_NumFreq);
  158. m_NumGroup->add (m_NumFreq);
  159. m_NumOctave = new Fl_Counter (128, 66, 64, 20, "Octave");
  160. m_NumOctave->user_data ((void*)(this));
  161. m_NumOctave->type (FL_SIMPLE_COUNTER);
  162. m_NumOctave->box (FL_PLASTIC_UP_BOX);
  163. m_NumOctave->color (Info->GUI_COLOUR);
  164. m_NumOctave->labelsize (10);
  165. m_NumOctave->textsize (10);
  166. m_NumOctave->minimum (-3);
  167. m_NumOctave->maximum (3);
  168. m_NumOctave->step (1);
  169. m_NumOctave->value (0);
  170. m_NumOctave->callback ((Fl_Callback*)cb_NumOctave);
  171. m_NumGroup->add (m_NumOctave);
  172. m_NumModAmount = new Fl_Counter (128, 98, 64, 20, "Mod (%)");
  173. m_NumModAmount->user_data ((void*)(this));
  174. m_NumModAmount->type (FL_SIMPLE_COUNTER);
  175. m_NumModAmount->box (FL_PLASTIC_UP_BOX);
  176. m_NumModAmount->color (Info->GUI_COLOUR);
  177. m_NumModAmount->labelsize (10);
  178. m_NumModAmount->textsize (10);
  179. m_NumModAmount->minimum (0);
  180. m_NumModAmount->maximum (200);
  181. m_NumModAmount->step (1);
  182. m_NumModAmount->value (m_ModAmount->value() * 100);
  183. m_NumModAmount->callback ((Fl_Callback*)cb_NumModAmount);
  184. m_NumGroup->add (m_NumModAmount);
  185. end();
  186. UpdateFreq();
  187. }
  188. void OscillatorPluginGUI::UpdateValues (SpiralPlugin *o) {
  189. float val;
  190. OscillatorPlugin *Plugin = (OscillatorPlugin*)o;
  191. m_ShapeSquare->value(0);
  192. m_ShapeNoise->value(0);
  193. m_ShapeSaw->value(0);
  194. switch (Plugin->GetType()) {
  195. case OscillatorPlugin::SQUARE : m_ShapeSquare->value(1); break;
  196. case OscillatorPlugin::NOISE : m_ShapeNoise->value(1); break;
  197. case OscillatorPlugin::SAW : m_ShapeSaw->value(1); break;
  198. case OscillatorPlugin::NONE : break;
  199. }
  200. val = Plugin->GetPulseWidth();
  201. m_PulseWidth->value (val);
  202. m_NumPulseWidth->value (val * 100);
  203. val = 0.2f - Plugin->GetSHLen();
  204. m_SHLen->value (val);
  205. m_NumSHLen->value (val);
  206. val = Plugin->GetModAmount();
  207. m_ModAmount->value (val);
  208. m_NumModAmount->value (val * 100);
  209. m_NumOctave->value (Plugin->GetOctave());
  210. m_Octave->value ((int)m_NumOctave->value() + 3);
  211. m_FineTune->value (sqrt (Plugin->GetFineFreq()));
  212. UpdateFreq();
  213. }
  214. // Utility functions
  215. float OscillatorPluginGUI::CalcFineFreq (float Fine) {
  216. int oct = (int)m_NumOctave->value();
  217. m_FineFreq = Fine * Fine;
  218. float fr = 110.0f * m_FineFreq;
  219. if (oct > 0) fr *= 1 << oct;
  220. if (oct < 0) fr /= 1 << (-oct);
  221. return fr;
  222. }
  223. void OscillatorPluginGUI::UpdateFreq (void) {
  224. // always do max first - CalcFineFreq leaves a value in m_FineFreq
  225. m_NumFreq->maximum (CalcFineFreq (m_FineTune->maximum()));
  226. m_NumFreq->value (CalcFineFreq (m_FineTune->value()));
  227. }
  228. // Callbacks - Controls outside the tabs
  229. inline void OscillatorPluginGUI::cb_Square_i (Fl_LED_Button* o, void* v) {
  230. m_GUICH->Set ("Type", (char)OscillatorPlugin::SQUARE);
  231. }
  232. void OscillatorPluginGUI::cb_Square (Fl_LED_Button* o, void* v) {
  233. ((OscillatorPluginGUI*)(o->parent()))->cb_Square_i (o, v);
  234. }
  235. inline void OscillatorPluginGUI::cb_Saw_i (Fl_LED_Button* o, void* v) {
  236. m_GUICH->Set ("Type", (char)OscillatorPlugin::SAW);
  237. }
  238. void OscillatorPluginGUI::cb_Saw (Fl_LED_Button* o, void* v) {
  239. ((OscillatorPluginGUI*)(o->parent()))->cb_Saw_i (o, v);
  240. }
  241. inline void OscillatorPluginGUI::cb_Noise_i (Fl_LED_Button* o, void* v) {
  242. m_GUICH->Set ("Type",(char)OscillatorPlugin::NOISE);
  243. }
  244. void OscillatorPluginGUI::cb_Noise (Fl_LED_Button* o, void* v) {
  245. ((OscillatorPluginGUI*)(o->parent()))->cb_Noise_i (o, v);
  246. }
  247. // Callbacks - Control Group
  248. inline void OscillatorPluginGUI::cb_PulseWidth_i (Fl_Slider* o, void* v) {
  249. float val = o->value();
  250. m_GUICH->Set ("PulseWidth", val);
  251. m_NumPulseWidth->value (val * 100);
  252. }
  253. void OscillatorPluginGUI::cb_PulseWidth (Fl_Slider* o, void* v) {
  254. ((OscillatorPluginGUI*)(o->user_data()))->cb_PulseWidth_i (o, v);
  255. }
  256. inline void OscillatorPluginGUI::cb_SHLen_i (Fl_Slider* o, void* v) {
  257. float val = 0.2f - o->value();
  258. m_GUICH->Set ("SHLen", val);
  259. m_NumSHLen->value (val);
  260. }
  261. void OscillatorPluginGUI::cb_SHLen (Fl_Slider* o, void* v) {
  262. ((OscillatorPluginGUI*)(o->user_data()))->cb_SHLen_i (o, v);
  263. }
  264. inline void OscillatorPluginGUI::cb_FineTune_i (Fl_Knob* o, void* v) {
  265. UpdateFreq();
  266. m_GUICH->Set ("FineFreq", m_FineFreq);
  267. }
  268. void OscillatorPluginGUI::cb_FineTune (Fl_Knob* o, void* v) {
  269. ((OscillatorPluginGUI*)(o->user_data()))->cb_FineTune_i (o, v);
  270. }
  271. inline void OscillatorPluginGUI::cb_Reset_i (Fl_Button* o, void* v) {
  272. m_FineTune->value (1);
  273. UpdateFreq();
  274. m_GUICH->Set ("FineFreq", m_FineFreq);
  275. }
  276. void OscillatorPluginGUI::cb_Reset (Fl_Button* o, void* v) {
  277. ((OscillatorPluginGUI*)(o->user_data()))->cb_Reset_i (o, v);
  278. }
  279. inline void OscillatorPluginGUI::cb_Octave_i (Fl_Knob* o, void* v) {
  280. m_NumOctave->value ((int)m_Octave->value() - 3);
  281. UpdateFreq();
  282. m_GUICH->Set ("Octave", (int)m_NumOctave->value ());
  283. }
  284. void OscillatorPluginGUI::cb_Octave (Fl_Knob* o, void* v) {
  285. ((OscillatorPluginGUI*)(o->user_data()))->cb_Octave_i (o, v);
  286. }
  287. inline void OscillatorPluginGUI::cb_ModAmount_i (Fl_Knob* o, void* v) {
  288. float val = o->value();
  289. m_GUICH->Set ("ModAmount", val);
  290. m_NumModAmount->value (val * 100);
  291. }
  292. void OscillatorPluginGUI::cb_ModAmount (Fl_Knob* o, void* v) {
  293. ((OscillatorPluginGUI*)(o->user_data()))->cb_ModAmount_i (o, v);
  294. }
  295. // Callbacks - Number Group
  296. inline void OscillatorPluginGUI::cb_NumPulseWidth_i (Fl_Counter* o, void* v) {
  297. float val = o->value() / 100;
  298. m_GUICH->Set ("PulseWidth", val);
  299. m_PulseWidth->value (val);
  300. }
  301. void OscillatorPluginGUI::cb_NumPulseWidth (Fl_Counter* o, void* v) {
  302. ((OscillatorPluginGUI*)(o->user_data()))->cb_NumPulseWidth_i (o, v);
  303. }
  304. inline void OscillatorPluginGUI::cb_NumSHLen_i (Fl_Counter* o, void* v) {
  305. float val = o->value();
  306. m_GUICH->Set ("SHLen", val);
  307. m_SHLen->value (0.2f - val);
  308. }
  309. void OscillatorPluginGUI::cb_NumSHLen (Fl_Counter* o, void* v) {
  310. ((OscillatorPluginGUI*)(o->user_data()))->cb_NumSHLen_i (o, v);
  311. }
  312. inline void OscillatorPluginGUI::cb_NumFreq_i (Fl_Counter* o, void* v) {
  313. int oct = (int)m_NumOctave->value();
  314. float fr = o->value ();
  315. if (oct > 0) fr /= 1 << oct;
  316. if (oct < 0) fr *= 1 << (-oct);
  317. m_FineFreq = fr / 110.0f;
  318. m_GUICH->Set ("FineFreq", m_FineFreq);
  319. m_FineTune->value (sqrt (m_FineFreq));
  320. }
  321. void OscillatorPluginGUI::cb_NumOctave (Fl_Counter* o, void* v) {
  322. ((OscillatorPluginGUI*)(o->user_data()))->cb_NumOctave_i (o, v);
  323. }
  324. inline void OscillatorPluginGUI::cb_NumOctave_i (Fl_Counter* o, void* v) {
  325. m_Octave->value ((int)m_NumOctave->value() + 3);
  326. UpdateFreq();
  327. m_GUICH->Set ("Octave", (int)m_NumOctave->value ());
  328. }
  329. void OscillatorPluginGUI::cb_NumFreq (Fl_Counter* o, void* v) {
  330. ((OscillatorPluginGUI*)(o->user_data()))->cb_NumFreq_i (o, v);
  331. }
  332. inline void OscillatorPluginGUI::cb_NumModAmount_i (Fl_Counter* o, void* v) {
  333. float val = o->value() / 100;
  334. m_GUICH->Set ("ModAmount", val);
  335. m_ModAmount->value (val);
  336. }
  337. void OscillatorPluginGUI::cb_NumModAmount (Fl_Counter* o, void* v) {
  338. ((OscillatorPluginGUI*)(o->user_data()))->cb_NumModAmount_i (o, v);
  339. }
  340. // Help Text
  341. const string OscillatorPluginGUI::GetHelpText(const string &loc){
  342. return string("")
  343. + "The Oscillator generates raw waveforms from CV controls. Three wave \n"
  344. + "shapes are included, Square wave, Triangle wave and white noise.\n\n"
  345. + "In the square and triangle shapes, the Frequency CV controls the pitch \n"
  346. + "of the signal generated, and the pulse-width turns the squarewave into \n"
  347. + "a pulse wave of varying harmonics, and the triangle wave into a sawtooth,\n"
  348. + "or reverse sawtooth wave.\n\n"
  349. + "The sample & hold CV changes the time between samples with the white noise.\n"
  350. + "This is usful for making the Oscillator into a random CV generator.\n\n"
  351. + "The plugin window allows you to select the wave shape, set the octave and\n"
  352. + "fine tune the frequency (use the reset button to reset the frequency back\n"
  353. + "to it's default value). There are also controls to set the pulse-width,\n"
  354. + "sample and hold manually, and control the modulation depth of the input CV's.\n\n"
  355. + "The frequency can be set extremely low on this oscillator, so you can use\n"
  356. + "it as an LFO for controlling other plugins.";
  357. }