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chorddiagram.kv
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chorddiagram.kv
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#: import cdm chorddiagram
<ChordDiagramBubble>:
orientation: 'horizontal'
BubbleButton:
text: "Select"
on_press: root.select()
BubbleButton:
text: "Delete"
background_color: (1, 0, 0, 0.5)
on_press: root.delete()
<ChordDiagram>:
# ChordDiagram is 27 wide by 28 tall; step_x is 3, step_y is 4.
# We start drawing at (step_x * 2, step_y), or (6, 4).
step_x: diagram.width / 9
step_y: diagram.height / 7
nut_height: diagram.height / 28
draw_x: diagram.x + self.step_x * 2 # draw_x, draw_y is bottom left of diagram (not pos of ChordDiagram)
draw_y: diagram.y + self.step_y
line_weight: diagram.width * 0.005
marker_radius: (self.step_x / 2) * 0.9
diagram: diagram
pos_hint: {'center': [0.5, 0.5]}
Widget:
id: diagram
size_hint: [None, None]
pos_hint: {'center': [0.5, 0.5]}
canvas:
# White background.
Color:
rgba: (1, 1, 1, 1)
Rectangle:
size: self.size
pos: self.pos
# Border
Color:
rgba: (0, 0, 0, 1)
Line:
rectangle:
(self.x + self.width * 0.0095, self.y + self.height * 0.0095,
self.width - self.width * 0.0095, self.height - self.height * 0.0095)
width: root.line_weight
# Strings.
Color:
rgba: (0, 0, 0, 1)
Line:
points:
(root.draw_x, root.draw_y, root.draw_x, root.draw_y + root.step_y * 4)
width: root.line_weight
Line:
points:
(root.draw_x + root.step_x * 1, root.draw_y, root.draw_x + root.step_x * 1, root.draw_y + root.step_y * 4)
width: root.line_weight
Line:
points:
(root.draw_x + root.step_x * 2, root.draw_y, root.draw_x + root.step_x * 2, root.draw_y + root.step_y * 4)
width: root.line_weight
Line:
points:
(root.draw_x + root.step_x * 3, root.draw_y, root.draw_x + root.step_x * 3, root.draw_y + root.step_y * 4)
width: root.line_weight
Line:
points:
(root.draw_x + root.step_x * 4, root.draw_y, root.draw_x + root.step_x * 4, root.draw_y + root.step_y * 4)
width: root.line_weight
Line:
points:
(root.draw_x + root.step_x * 5, root.draw_y, root.draw_x + root.step_x * 5, root.draw_y + root.step_y * 4)
width: root.line_weight
# Frets.
Line:
points:
(root.draw_x, root.draw_y, root.draw_x + root.step_x * 5, root.draw_y)
width: root.line_weight
Line:
points:
(root.draw_x, root.draw_y + root.step_y * 1, root.draw_x + root.step_x * 5, root.draw_y + root.step_y * 1)
width: root.line_weight
Line:
points:
(root.draw_x, root.draw_y + root.step_y * 2, root.draw_x + root.step_x * 5, root.draw_y + root.step_y * 2)
width: root.line_weight
Line:
points:
(root.draw_x, root.draw_y + root.step_y * 3, root.draw_x + root.step_x * 5, root.draw_y + root.step_y * 3)
width: root.line_weight
Line:
points:
(root.draw_x, root.draw_y + root.step_y * 4, root.draw_x + root.step_x * 5, root.draw_y + root.step_y * 4)
width: root.line_weight
# Nut.
Color:
rgba: (0, 0, 0, root.nut_opac)
Rectangle:
size: root.step_x * 5 + root.line_weight * 2, root.nut_height
pos: root.draw_x - root.line_weight, root.draw_y + root.step_y * 4
# Open Note O's.
Color:
rgba: (0, 0, 0, root.s6_open_mark_opac)
Line:
circle: (root.draw_x, root.draw_y + root.step_y * 4 + root.nut_height * 2, root.step_x * (1/4))
width: root.line_weight
Color:
rgba: (0, 0, 0, root.s5_open_mark_opac)
Line:
circle: (root.draw_x + root.step_x, root.draw_y + root.step_y * 4 + root.nut_height * 2, root.step_x * (1/4))
width: root.line_weight
Color:
rgba: (0, 0, 0, root.s4_open_mark_opac)
Line:
circle: (root.draw_x + root.step_x*2, root.draw_y + root.step_y * 4 + root.nut_height * 2, root.step_x * (1/4))
width: root.line_weight
Color:
rgba: (0, 0, 0, root.s3_open_mark_opac)
Line:
circle: (root.draw_x + root.step_x*3, root.draw_y + root.step_y * 4 + root.nut_height * 2, root.step_x * (1/4))
width: root.line_weight
Color:
rgba: (0, 0, 0, root.s2_open_mark_opac)
Line:
circle: (root.draw_x + root.step_x*4, root.draw_y + root.step_y * 4 + root.nut_height * 2, root.step_x * (1/4))
width: root.line_weight
Color:
rgba: (0, 0, 0, root.s1_open_mark_opac)
Line:
circle: (root.draw_x + root.step_x*5, root.draw_y + root.step_y * 4 + root.nut_height * 2, root.step_x * (1/4))
width: root.line_weight
# Open note X's.
Color:
rgba: (0, 0, 0, root.s6_x_mark_opac)
Line:
points:
(root.draw_x - root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 - root.step_x * (1/4),
root.draw_x + root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 + root.step_x * (1/4))
width: root.line_weight
Line:
points:
(root.draw_x + root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 - root.step_x * (1/4),
root.draw_x - root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 + root.step_x * (1/4))
width: root.line_weight
Color:
rgba: (0, 0, 0, root.s5_x_mark_opac)
Line:
points:
(root.draw_x + root.step_x * 1 + root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 - root.step_x * (1/4),
root.draw_x + root.step_x * 1 - root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 + root.step_x * (1/4))
width: root.line_weight
Line:
points:
(root.draw_x + root.step_x * 1 - root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 - root.step_x * (1/4),
root.draw_x + root.step_x * 1 + root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 + root.step_x * (1/4))
width: root.line_weight
Color:
rgba: (0, 0, 0, root.s4_x_mark_opac)
Line:
points:
(root.draw_x + root.step_x * 2 + root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 - root.step_x * (1/4),
root.draw_x + root.step_x * 2 - root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 + root.step_x * (1/4))
width: root.line_weight
Line:
points:
(root.draw_x + root.step_x * 2 - root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 - root.step_x * (1/4),
root.draw_x + root.step_x * 2 + root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 + root.step_x * (1/4))
width: root.line_weight
Color:
rgba: (0, 0, 0, root.s3_x_mark_opac)
Line:
points:
(root.draw_x + root.step_x * 3 + root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 - root.step_x * (1/4),
root.draw_x + root.step_x * 3 - root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 + root.step_x * (1/4))
width: root.line_weight
Line:
points:
(root.draw_x + root.step_x * 3 - root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 - root.step_x * (1/4),
root.draw_x + root.step_x * 3 + root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 + root.step_x * (1/4))
width: root.line_weight
Color:
rgba: (0, 0, 0, root.s2_x_mark_opac)
Line:
points:
(root.draw_x + root.step_x * 4 + root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 - root.step_x * (1/4),
root.draw_x + root.step_x * 4 - root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 + root.step_x * (1/4))
width: root.line_weight
Line:
points:
(root.draw_x + root.step_x * 4 - root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 - root.step_x * (1/4),
root.draw_x + root.step_x * 4 + root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 + root.step_x * (1/4))
width: root.line_weight
Color:
rgba: (0, 0, 0, root.s1_x_mark_opac)
Line:
points:
(root.draw_x + root.step_x * 5 + root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 - root.step_x * (1/4),
root.draw_x + root.step_x * 5 - root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 + root.step_x * (1/4))
width: root.line_weight
Line:
points:
(root.draw_x + root.step_x * 5 - root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 - root.step_x * (1/4),
root.draw_x + root.step_x * 5 + root.step_x * 0.25,
root.draw_y + root.step_y * 4 + root.nut_height * 2 + root.step_x * (1/4))
width: root.line_weight
# Fret Markers.
Color:
rgba: (root.s6_red, 0, 0, root.s6_marker_opac)
Ellipse:
size: root.marker_radius * 2, root.marker_radius * 2
pos: root.draw_x - root.marker_radius, root.draw_y - root.marker_radius + root.step_y / 2 + root.s6_fret_y
Color:
rgba: (root.s5_red, 0, 0, root.s5_marker_opac)
Ellipse:
size: root.marker_radius * 2, root.marker_radius * 2
pos: root.draw_x + root.step_x - root.marker_radius, root.draw_y + root.step_y / 2 - root.marker_radius + root.s5_fret_y
Color:
rgba: (root.s4_red, 0, 0, root.s4_marker_opac)
Ellipse:
size: root.marker_radius * 2, root.marker_radius * 2
pos: root.draw_x + root.step_x * 2 - root.marker_radius, root.draw_y + root.step_y / 2 - root.marker_radius + root.s4_fret_y
Color:
rgba: (root.s3_red, 0, 0, root.s3_marker_opac)
Ellipse:
size: root.marker_radius * 2, root.marker_radius * 2
pos: root.draw_x + root.step_x * 3 - root.marker_radius, root.draw_y + root.step_y / 2 - root.marker_radius + root.s3_fret_y
Color:
rgba: (root.s2_red, 0, 0, root.s2_marker_opac)
Ellipse:
size: root.marker_radius * 2, root.marker_radius * 2
pos: root.draw_x + root.step_x * 4 - root.marker_radius, root.draw_y + root.step_y / 2 - root.marker_radius + root.s2_fret_y
Color:
rgba: (root.s1_red, 0, 0, root.s1_marker_opac)
Ellipse:
size: root.marker_radius * 2, root.marker_radius * 2
pos: root.draw_x + root.step_x * 5 - root.marker_radius, root.draw_y + root.step_y / 2 - root.marker_radius + root.s1_fret_y
canvas.after:
# Disabled overlay.
Color:
rgba: (0.6, 0.6, 0.6, root.disable_opac)
Rectangle:
size: self.size
pos: self.pos
Label:
size_hint: [None, None]
size: root.step_x * 5, root.step_y
pos: root.draw_x, root.draw_y + root.step_y * 5
text: root.chrom_scale[root.note_idx] + " " + root.chord_name
font_name: "./fonts/Arial"
color: (0, 0, 0, 1)
font_size: self.height * 0.75
Label:
id: fret_label
size_hint: [None, None]
size: root.step_x * 2, root.step_y
pos: diagram.x, diagram.y + root.step_y * 4
text: '1'
halign: 'center'
valign: 'center'
color: (0, 0, 0, 1)
font_size: self.height * 0.75
Label:
size_hint: [None, None]
size: root.step_x * 2, root.step_y
pos: diagram.x, diagram.y + root.step_y
text: str(int(fret_label.text) + 3) if fret_label.text else '4'
halign: 'center'
valign: 'center'
color: (0, 0, 0, 1)
font_size: self.height * 0.75
<ChordDiagramMain>:
chord_diagram: cd
ChordDiagram:
id: cd
chord_num: root.chord_num
note_idx: root.note_idx
root_note_idx: root.root_note_idx
mode_filter: root.mode_filter
display: root.display
chord_name: root.chord_name