1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
|
import pygtk
pygtk.require( '2.0' )
import gtk
from Framework.Constants import Constants
from GUI.GUIConstants import GUIConstants
from BackgroundView import SELECTNOTES
from NoteView import NoteView
#----------------------------------------------------------------------
# This view class is used to show the contents of a NoteTrack
# i.e. a Collection of Note objects
#----------------------------------------------------------------------
class TrackView:
#-----------------------------------
# initialization functions
#-----------------------------------
def __init__( self, trackID, beatsPerPageAdjustment ):
self.trackID = trackID
self.beatsPerPageAdjustment = beatsPerPageAdjustment
self.noteViews = []
self.posOffset = (0,0)
self.selectedNotes = []
def getID( self ):
return self.trackID
#-----------------------------------
# modification methods
#-----------------------------------
def setNotes( self, notes ):
self.clearNotes()
lineW = self.getBorderWidth()
for note in notes:
noteView = NoteView( note, self, self.beatsPerPageAdjustment )
self.noteViews.append( noteView )
noteView.setPositionOffset( (self.posOffset[0]+lineW, self.posOffset[1]+lineW ) )
self.updateNoteTransforms()
def clearNotes( self ):
del self.noteViews
self.noteViews = []
self.selectedNotes = []
def selectNotes( self, mode, which ):
if mode == SELECTNOTES.ALL:
for note in self.noteViews: note.setSelected( True )
self.selectedNotes = self.noteViews[:]
elif mode == SELECTNOTES.NONE:
for note in self.noteViews: note.setSelected( False )
self.selectedNotes = []
elif mode == SELECTNOTES.ADD:
for note in which:
if note.setSelected( True ):
self.selectedNotes.insert( 0, note )
elif mode == SELECTNOTES.REMOVE:
for note in which:
if note.setSelected( False ):
self.selectedNotes.remove( note )
elif mode == SELECTNOTES.EXCLUSIVE:
for note in self.noteViews:
if note in which:
if note.setSelected( True ):
self.selectedNotes.insert( 0, note )
else:
if note.setSelected( False ):
self.selectedNotes.remove( note )
def updateDragLimits( self, dragLimits ):
if not len(self.selectedNotes): return # no selected notes here
leftBound = 0
maxRightBound = round( self.beatsPerPageAdjustment.value, 0 ) * Constants.TICKS_PER_BEAT
last = len(self.noteViews)-1
for i in range(0,last):
if not self.noteViews[i].getSelected():
leftBound = self.noteViews[i].getEndTick()
else:
if not self.noteViews[i+1].getSelected():
rightBound = min( self.noteViews[i+1].getStartTick(), maxRightBound )
widthBound = rightBound
else:
rightBound = maxRightBound
widthBound = min( self.noteViews[i+1].getStartTick(), maxRightBound )
self.noteViews[i].updateDragLimits( dragLimits, leftBound, rightBound, widthBound )
if self.noteViews[last].getSelected():
self.noteViews[last].updateDragLimits( dragLimits, leftBound, maxRightBound, maxRightBound )
def getNotesByBar( self, beatCount, startX, stopX ):
beatWidth = self.getBeatLineSpacing( beatCount )
beatStart = self.getBeatLineStart()
while beatStart+beatWidth <= startX:
beatStart += beatWidth
beatStop = beatStart + beatWidth
while beatStop+beatWidth < stopX:
beatStop += beatWidth
notes = []
for note in self.noteViews:
if note.checkX( beatStart, beatStop ):
notes.insert(0,note)
return notes
#-----------------------------------
# event methods
#-----------------------------------
def handleButtonPress( self, emitter, event ):
eX = event.x - self.posOffset[0]
eY = event.y - self.posOffset[1]
if eX < 0 or eX > self.width or eY < 0 or eY > self.height:
return False
for note in self.noteViews:
handled = note.handleButtonPress( emitter, event )
if handled: return handled
return False
def handleButtonRelease( self, emitter, event, buttonPressCount ):
eX = event.x - self.posOffset[0]
eY = event.y - self.posOffset[1]
if eX < 0 or eX > self.width or eY < 0 or eY > self.height:
return False
if event.button == 1:
if buttonPressCount == 1: emitter.toggleTrack( self.trackID, False )
else: emitter.toggleTrack( self.trackID, True )
return True
def handleMarqueeSelect( self, emitter, start, stop ):
intersectionY = [ max(start[1],self.posOffset[1]), min(stop[1],self.posOffset[1]+self.height) ]
if intersectionY[0] > intersectionY[1]:
return False
intersectionX = [ max(start[0],self.posOffset[0]), min(stop[0],self.posOffset[0]+self.width) ]
if intersectionX[0] > intersectionX[1]:
return False
hits = []
for note in self.noteViews:
hit = note.handleMarqueeSelect( emitter,
[ intersectionX[0], intersectionY[0] ], \
[ intersectionX[1], intersectionY[1] ] )
if hit: hits.insert(0,note)
if len(hits): return hits
return False
def noteDrag( self, emitter, dx, dy, dw ):
for note in self.selectedNotes:
note.noteDrag( emitter, dx, dy, dw )
def doneNoteDrag( self, emitter ):
for note in self.selectedNotes:
note.doneNoteDrag( emitter )
#-----------------------------------
# drawing methods
#-----------------------------------
def getBorderWidth( self ): #should return a constant value, otherwise we have to recalculate sizing and positioning everyframe!
return GUIConstants.BORDER_SIZE
def getBeatLineWidth( self ):
return GUIConstants.BEAT_LINE_SIZE #should return a constant value, otherwise we have to recalculate sizing and positioning everyframe!
def getBeatLineSpacing( self, beatCount ):
return (self.width - 2*self.getBorderWidth() + self.getBeatLineWidth())/beatCount
def getBeatLineStart( self ):
return self.posOffset[0] + self.getBorderWidth() - self.getBeatLineWidth()/2.0
def setPositionOffset( self, offset ):
self.posOffset = offset
lineW = self.getBorderWidth()
for note in self.noteViews:
note.setPositionOffset( ( self.posOffset[0]+lineW, self.posOffset[1]+lineW ) )
def draw( self, context, beatCount, selected ):
#if selected: lineW = GUIConstants.SELECTED_BORDER_SIZE
#else: lineW = GUIConstants.BORDER_SIZE
lineW = self.getBorderWidth()
context.set_line_width( lineW )
lineWDIV2 = lineW/2.0
context.move_to( self.posOffset[0] + lineWDIV2, self.posOffset[1] + lineWDIV2 )
context.rel_line_to( self.width - lineW, 0 )
context.rel_line_to( 0, self.height - lineW )
context.rel_line_to( -self.width + lineW, 0 )
context.close_path()
#draw the background
context.set_source_rgb( 0.75, 0.75, 0.75 )
context.fill_preserve()
#draw the border
if selected: context.set_source_rgb( 1, 1, 1 )
else: context.set_source_rgb( 0, 0, 0 )
context.stroke()
#draw the beat lines
beatLineWidth = self.getBeatLineWidth()
context.set_line_width( beatLineWidth )
beatWidth = self.getBeatLineSpacing( beatCount )
beatStart = self.getBeatLineStart()
context.set_source_rgb( 0, 0, 0 )
for i in range(1,beatCount):
context.move_to( beatStart + i*beatWidth, self.posOffset[1] + lineW )
context.rel_line_to( 0, self.height - 2*lineW )
context.stroke()
#draw the notes
for note in self.noteViews:
note.draw( context )
#-----------------------------------
# sizing methods
#-----------------------------------
def updateNoteTransforms( self ):
width = self.width - 2*self.getBorderWidth()
height = self.height - 2*self.getBorderWidth() # adjust for actual note drawing area
for noteView in self.noteViews:
noteView.updateTransform( (width, height) )
def set_size_request( self, width, height ):
self.width = width
self.height = height
self.updateNoteTransforms()
#unused for now...
class NoteViewPool:
def __init__( self, parentContainer, beatsPerPageAdjustment ):
self.parentContainer = parentContainer
self.beatsPerPageAdjustment = beatsPerPageAdjustment
self.pool = []
def addNoteView( self, noteView ):
#noteView.hide()
self.pool.append( noteView )
def addNoteViews( self, noteViews ):
for noteView in noteViews:
self.addNoteView( noteView )
def getNoteView( self ):
poolSize = len( pool )
if poolSize != 0:
return pool.pop( poolSize )
return NoteView( None, self.parentContainer, self.beatsPerPageAdjustment )
|
