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@@ -2,7 +2,7 @@ |
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# -*- coding: utf-8 -*- |
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# Pixmap Keyboard, a custom Qt4 widget |
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# Copyright (C) 2011-2013 Filipe Coelho <falktx@falktx.com> |
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# Copyright (C) 2011-2014 Filipe Coelho <falktx@falktx.com> |
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# |
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# This program is free software; you can redistribute it and/or |
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# modify it under the terms of the GNU General Public License as |
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@@ -25,33 +25,33 @@ from PyQt4.QtGui import QColor, QFont, QPainter, QPixmap, QScrollArea, QWidget |
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# ------------------------------------------------------------------------------------------------------------ |
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kMidiKey2RectMapHorizontal = { |
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'0': QRectF(0, 0, 18, 64), # C |
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'1': QRectF(13, 0, 11, 42), # C# |
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'2': QRectF(18, 0, 25, 64), # D |
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'3': QRectF(37, 0, 11, 42), # D# |
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'4': QRectF(42, 0, 18, 64), # E |
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'5': QRectF(60, 0, 18, 64), # F |
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'6': QRectF(73, 0, 11, 42), # F# |
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'7': QRectF(78, 0, 25, 64), # G |
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'8': QRectF(97, 0, 11, 42), # G# |
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'9': QRectF(102, 0, 25, 64), # A |
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'10': QRectF(121, 0, 11, 42), # A# |
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'11': QRectF(126, 0, 18, 64) # B |
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'0': QRectF(0, 0, 17, 59), # C |
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'1': QRectF(13, 0, 8, 41), # C# |
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'2': QRectF(17, 0, 17, 59), # D |
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'3': QRectF(31, 0, 8, 41), # D# |
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'4': QRectF(34, 0, 17, 59), # E |
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'5': QRectF(51, 0, 17, 59), # F |
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'6': QRectF(63, 0, 8, 41), # F# |
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'7': QRectF(68, 0, 17, 59), # G |
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'8': QRectF(81, 0, 8, 41), # G# |
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'9': QRectF(85, 0, 17, 59), # A |
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'10': QRectF(99, 0, 8, 41), # A# |
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'11': QRectF(102, 0, 17, 59) # B |
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} |
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kMidiKey2RectMapVertical = { |
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'11': QRectF(0, 0, 64, 18), # B |
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'10': QRectF(0, 14, 42, 7), # A# |
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'9': QRectF(0, 18, 64, 24), # A |
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'8': QRectF(0, 38, 42, 7), # G# |
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'7': QRectF(0, 42, 64, 24), # G |
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'6': QRectF(0, 62, 42, 7), # F# |
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'5': QRectF(0, 66, 64, 18), # F |
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'4': QRectF(0, 84, 64, 18), # E |
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'3': QRectF(0, 98, 42, 7), # D# |
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'2': QRectF(0, 102, 64, 24), # D |
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'1': QRectF(0, 122, 42, 7), # C# |
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'0': QRectF(0, 126, 64, 18) # C |
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'11': QRectF(0, 0, 59, 17), # B |
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'10': QRectF(0, 11, 41, 8), # A# |
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'9': QRectF(0, 16, 59, 17), # A |
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'8': QRectF(0, 29, 41, 8), # G# |
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'7': QRectF(0, 33, 59, 18), # G |
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'6': QRectF(0, 47, 41, 8), # F# |
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'5': QRectF(0, 50, 59, 17), # F |
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'4': QRectF(0, 67, 59, 17), # E |
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'3': QRectF(0, 79, 41, 8), # D# |
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'2': QRectF(0, 84, 59, 17), # D |
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'1': QRectF(0, 97, 41, 8), # C# |
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'0': QRectF(0, 101, 59, 17) # C |
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} |
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kMidiKeyboard2KeyMap = { |
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@@ -89,10 +89,6 @@ kBlackNotes = (1, 3, 6, 8, 10) |
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# MIDI Keyboard, using a pixmap for painting |
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class PixmapKeyboard(QWidget): |
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# enum Color |
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COLOR_CLASSIC = 0 |
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COLOR_ORANGE = 1 |
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# enum Orientation |
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HORIZONTAL = 0 |
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VERTICAL = 1 |
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@@ -149,29 +145,21 @@ class PixmapKeyboard(QWidget): |
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if len(self.fEnabledKeys) == 0: |
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self.notesOff.emit() |
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def setMode(self, mode, color=COLOR_ORANGE): |
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if color == self.COLOR_CLASSIC: |
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self.fColorStr = "classic" |
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elif color == self.COLOR_ORANGE: |
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self.fColorStr = "orange" |
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else: |
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qCritical("PixmapKeyboard::setMode(%i, %i) - invalid color" % (mode, color)) |
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return self.setMode(mode) |
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def setMode(self, mode): |
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if mode == self.HORIZONTAL: |
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self.fMidiMap = kMidiKey2RectMapHorizontal |
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self.fPixmap.load(":/bitmaps/kbd_h_%s.png" % self.fColorStr) |
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self.fPixmap.load(":/bitmaps/kbd_h_dark.png") |
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self.fPixmapMode = self.HORIZONTAL |
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self.fWidth = self.fPixmap.width() |
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self.fHeight = self.fPixmap.height() / 2 |
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elif mode == self.VERTICAL: |
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self.fMidiMap = kMidiKey2RectMapVertical |
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self.fPixmap.load(":/bitmaps/kbd_v_%s.png" % self.fColorStr) |
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self.fPixmap.load(":/bitmaps/kbd_v_dark.png") |
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self.fPixmapMode = self.VERTICAL |
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self.fWidth = self.fPixmap.width() / 2 |
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self.fHeight = self.fPixmap.height() |
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else: |
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qCritical("PixmapKeyboard::setMode(%i, %i) - invalid mode" % (mode, color)) |
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qCritical("PixmapKeyboard::setMode(%i) - invalid mode" % mode) |
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return self.setMode(self.HORIZONTAL) |
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self.setOctaves(self.fOctaves) |
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@@ -195,17 +183,15 @@ class PixmapKeyboard(QWidget): |
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def handleMousePos(self, pos): |
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if self.fPixmapMode == self.HORIZONTAL: |
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if pos.x() < 0 or pos.x() > self.fOctaves * 144: |
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if pos.x() < 0 or pos.x() > self.fOctaves * 119: |
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return |
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posX = pos.x() - 1 |
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octave = int(posX / self.fWidth) |
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keyPos = QPointF(posX % self.fWidth, pos.y()) |
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octave = int(pos.x() / self.fWidth) |
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keyPos = QPointF(pos.x() % self.fWidth, pos.y()) |
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elif self.fPixmapMode == self.VERTICAL: |
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if pos.y() < 0 or pos.y() > self.fOctaves * 144: |
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if pos.y() < 0 or pos.y() > self.fOctaves * 119: |
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return |
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posY = pos.y() - 1 |
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octave = int(self.fOctaves - posY / self.fHeight) |
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keyPos = QPointF(pos.x(), posY % self.fHeight) |
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octave = int(self.fOctaves - pos.y() / self.fHeight) |
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keyPos = QPointF(pos.x(), (pos.y()-1) % self.fHeight) |
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else: |
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return |
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@@ -236,6 +222,8 @@ class PixmapKeyboard(QWidget): |
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else: |
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note = -1 |
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print(keyPos, note, octave) |
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if note != -1: |
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note += octave * 12 |
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@@ -439,9 +427,9 @@ class PixmapKeyboard(QWidget): |
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for i in range(self.fOctaves): |
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if self.fPixmapMode == self.HORIZONTAL: |
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painter.drawText(i * 144, 48, 18, 18, Qt.AlignCenter, "C%i" % (i-1)) |
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painter.drawText(i * 119 + (2 if i == 0 else 1), 45, 16, 16, Qt.AlignCenter, "C%i" % (i-1)) |
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elif self.fPixmapMode == self.VERTICAL: |
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painter.drawText(45, (self.fOctaves * 144) - (i * 144) - 16, 18, 18, Qt.AlignCenter, "C%i" % (i-1)) |
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painter.drawText(44, (self.fOctaves * 119) - (i * 119) - 16, 16, 16, Qt.AlignCenter, "C%i" % (i-1)) |
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def _isNoteBlack(self, note): |
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baseNote = note % 12 |
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@@ -464,7 +452,7 @@ class PixmapKeyboardHArea(QScrollArea): |
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self.keyboard = PixmapKeyboard(self) |
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self.keyboard.setOctaves(10) |
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self.setFixedHeight(self.keyboard.height() + self.horizontalScrollBar().height()/2 + 1) |
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self.setFixedHeight(self.keyboard.height() + self.horizontalScrollBar().height()/2 + 2) |
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self.setWidget(self.keyboard) |
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self.setEnabled(False) |
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@@ -478,3 +466,20 @@ class PixmapKeyboardHArea(QScrollArea): |
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@pyqtSlot() |
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def slot_initScrollbarValue(self): |
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self.horizontalScrollBar().setValue(self.horizontalScrollBar().maximum()/2) |
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# ------------------------------------------------------------------------------------------------------------ |
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# Main Testing |
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if __name__ == '__main__': |
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import sys |
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from PyQt4.QtGui import QApplication |
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import resources_rc |
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app = QApplication(sys.argv) |
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gui = PixmapKeyboard(None) |
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gui.setMode(gui.VERTICAL) |
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gui.setEnabled(True) |
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gui.show() |
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sys.exit(app.exec_()) |
