Audio plugin host https://kx.studio/carla
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  1. #!/usr/bin/env python3
  2. # -*- coding: utf-8 -*-
  3. # LED Button, a custom Qt4 widget
  4. # Copyright (C) 2011-2014 Filipe Coelho <falktx@falktx.com>
  5. #
  6. # This program is free software; you can redistribute it and/or
  7. # modify it under the terms of the GNU General Public License as
  8. # published by the Free Software Foundation; either version 2 of
  9. # the License, or any later version.
  10. #
  11. # This program is distributed in the hope that it will be useful,
  12. # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. # GNU General Public License for more details.
  15. #
  16. # For a full copy of the GNU General Public License see the doc/GPL.txt file.
  17. # ------------------------------------------------------------------------------------------------------------
  18. # Imports (Config)
  19. from carla_config import *
  20. # ------------------------------------------------------------------------------------------------------------
  21. # Imports (Global)
  22. if config_UseQt5:
  23. from PyQt5.QtCore import QRectF
  24. from PyQt5.QtGui import QPainter, QPixmap
  25. from PyQt5.QtWidgets import QPushButton
  26. else:
  27. from PyQt4.QtCore import QRectF
  28. from PyQt4.QtGui import QPainter, QPixmap, QPushButton
  29. # ------------------------------------------------------------------------------------------------------------
  30. # Widget Class
  31. class LEDButton(QPushButton):
  32. # normal
  33. OFF = 0
  34. BLUE = 1
  35. GREEN = 2
  36. RED = 3
  37. YELLOW = 4
  38. # extra
  39. CALF = 5
  40. def __init__(self, parent):
  41. QPushButton.__init__(self, parent)
  42. self.fPixmap = QPixmap()
  43. self.fPixmapRect = QRectF(0, 0, 0, 0)
  44. self.setCheckable(True)
  45. self.setText("")
  46. self.fLastColor = self.OFF
  47. self.fPixmap.load(":/bitmaps/led_off.png")
  48. self.setColor(self.BLUE)
  49. def setColor(self, color):
  50. self.fColor = color
  51. self._loadPixmapNow()
  52. # Fix calf off
  53. if color == self.CALF:
  54. self.fPixmap.load(":/bitmaps/led_calf_off.png")
  55. size = self.fPixmap.width()
  56. self.fPixmapRect = QRectF(0, 0, size, size)
  57. self.setMinimumSize(size, size)
  58. self.setMaximumSize(size, size)
  59. def paintEvent(self, event):
  60. painter = QPainter(self)
  61. event.accept()
  62. self._loadPixmapNow()
  63. painter.drawPixmap(self.fPixmapRect, self.fPixmap, self.fPixmapRect)
  64. def _loadPixmapNow(self):
  65. if self.isChecked():
  66. if self.fLastColor != self.fColor:
  67. if self.fColor == self.OFF:
  68. self.fPixmap.load(":/bitmaps/led_off.png")
  69. elif self.fColor == self.BLUE:
  70. self.fPixmap.load(":/bitmaps/led_blue.png")
  71. elif self.fColor == self.GREEN:
  72. self.fPixmap.load(":/bitmaps/led_green.png")
  73. elif self.fColor == self.RED:
  74. self.fPixmap.load(":/bitmaps/led_red.png")
  75. elif self.fColor == self.YELLOW:
  76. self.fPixmap.load(":/bitmaps/led_yellow.png")
  77. elif self.fColor == self.CALF:
  78. self.fPixmap.load(":/bitmaps/led_calf_on.png")
  79. else:
  80. return
  81. self.fLastColor = self.fColor
  82. elif self.fLastColor != self.OFF:
  83. self.fPixmap.load(":/bitmaps/led_calf_off.png" if self.fColor == self.CALF else ":/bitmaps/led_off.png")
  84. self.fLastColor = self.OFF