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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 "StereoMixerPluginGUI.h"
  19. #include <FL/fl_draw.h>
  20. #include <FL/fl_draw.H>
  21. static const int GUI_COLOUR = 179;
  22. static const int GUIBG_COLOUR = 144;
  23. static const int GUIBG2_COLOUR = 145;
  24. ////////////////////////////////////////////
  25. StereoMixerPluginGUI::StereoMixerPluginGUI(int w, int h,StereoMixerPlugin *o,const HostInfo *Info) :
  26. SpiralPluginGUI(w,h,o) {
  27. m_Plugin=o;
  28. int Width=20;
  29. int Height=100;
  30. for (int n=0; n<NUM_CHANNELS; n++) {
  31. Numbers[n]=n;
  32. m_Chan[n] = new Fl_Slider (20 + (2 + Width * 2) * n, 22, Width, Height, "");
  33. m_Chan[n]->type (4);
  34. m_Chan[n]->selection_color (GUI_COLOUR);
  35. m_Chan[n]->labelsize (10);
  36. m_Chan[n]->maximum (2);
  37. m_Chan[n]->step (0.01);
  38. m_Chan[n]->value (1.0);
  39. m_Chan[n]->callback ((Fl_Callback*)cb_Chan, (void*)&Numbers[n]);
  40. add (m_Chan[n]);
  41. m_Pan[n] = new Fl_Knob (10 + (2 + Width * 2) * n, 122, 40, 40, "Pan");
  42. m_Pan[n]->type (Fl_Knob::DOTLIN);
  43. m_Pan[n]->color (GUI_COLOUR);
  44. m_Pan[n]->labelsize (10);
  45. m_Pan[n]->maximum (1);
  46. m_Pan[n]->step (0.01);
  47. m_Pan[n]->value (0.5);
  48. m_Pan[n]->callback ((Fl_Callback*)cb_Pan, (void*)&Numbers[n]);
  49. // This line used to be
  50. // add (m_Chan[n]);
  51. // I'm guessing this an error, but I could be wrong there
  52. add (m_Pan[n]);
  53. }
  54. end();
  55. }
  56. void StereoMixerPluginGUI::UpdateValues () {
  57. for (int n=0; n<NUM_CHANNELS; n++) {
  58. m_Chan[n]->value (2.0f - m_Plugin->GetChannel (n));
  59. // This line used to be
  60. // m_Pan[n]->value (m_Plugin->GetChannel (n));
  61. // And that definately fixes the problem
  62. m_Pan[n]->value (m_Plugin->GetPan (n));
  63. }
  64. }
  65. inline void StereoMixerPluginGUI::cb_Chan_i(Fl_Slider* o, void* v) {
  66. m_Plugin->SetChannel(*(int*)(v),2.0f-o->value());
  67. }
  68. void StereoMixerPluginGUI::cb_Chan(Fl_Slider* o, void* v) {
  69. ((StereoMixerPluginGUI*)(o->parent()))->cb_Chan_i(o,v);
  70. }
  71. inline void StereoMixerPluginGUI::cb_Pan_i(Fl_Knob* o, void* v) {
  72. m_Plugin->SetPan(*(int*)(v),o->value());
  73. }
  74. void StereoMixerPluginGUI::cb_Pan(Fl_Knob* o, void* v) {
  75. ((StereoMixerPluginGUI*)(o->parent()))->cb_Pan_i(o,v);
  76. }