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
|
import pygtk
pygtk.require( '2.0' )
import gtk
import Config
import random
class Block():
WIDTH = 100
HEIGHT = 100
WIDTH_DIV2 = WIDTH//2
HEIGHT_DIV2 = HEIGHT//2
def __init__( self, owner, graphics_context ):
self.owner = owner
self.gc = graphics_context
self.type = Block
self.parent = None
self.canChild = False
self.child = None
self.canParent = False
self.dragging = False
self.placed = False
self.x = -1
self.y = -1
# TEMP
self.color = random.choice( [ "tempBlock1", "tempBlock2", "tempBlock3", "tempBlock4", "tempBlock5" ] )
def destroy( self ):
if self.child:
self.child.destroy()
self.child = None
def getLoc( self ):
return ( self.x, self.y )
def setLoc( self, x, y ):
if x == self.x and y == self.y: return
if self.placed:
self.invalidate_rect( not self.dragging )
else:
self.placed = True
self.x = x
self.y = y
self.endX = x + self.type.WIDTH
self.endY = y + self.type.HEIGHT
self.invalidate_rect( not self.dragging )
if self.child:
self.child.setLoc( self.endX, y )
def testChild( self, loc ):
if not self.canParent:
return False
if self.child:
handled = self.child.testChild( loc )
if handled: return handled
elif abs( self.endX - loc[0] ) < 10 and abs( self.y - loc[1] ) < 10:
return self
return False
def addChild( self, child ):
self.child = child
child._addParent( self )
child.setLoc( self.endX, self.y )
def removeChild( self ):
self.child._removeParent()
self.child = None
def _addParent( self, parent ):
self.parent = parent
def _removeParent( self ):
self.parent = None
def getRoot( self ):
if self.parent: return self.parent.getRoot()
return self
def button_press( self, event ):
if event.y < self.y or event.y > self.endY:
return False
return self._button_pressB( event )
def _button_pressB( self, event ):
if event.x < self.x:
return False
if self.child:
handled = self.child._button_pressB( event )
if handled: return handled
if event.x > self.endX:
return False
self.dragOffset = ( event.x - self.x, event.y - self.y )
self._doButtonPress( event )
return self
def _doButtonPress( self, event ):
pass # override in subclasses
def button_release( self, event ):
if self.dragging:
self.dragging = False
self.invalidateBranch()
def motion_notify( self, event ):
removeFromBlocks = not self.dragging and not self.parent
if not self.dragging:
self.dragging = True
self.invalidate_rect()
if self.parent:
self.parent.removeChild()
self.setLoc( event.x - self.dragOffset[0], event.y - self.dragOffset[1] )
return removeFromBlocks
def _beginDrag( self ):
self.dragging = True
self.dragOffset = ( self.type.WIDTH_DIV2, self.type.HEIGHT_DIV2 )
def invalidateBranch( self, base = True ):
self.invalidate_rect( base )
if self.child:
self.child.invalidateBranch( base )
def invalidate_rect( self, base = True ):
self.owner.invalidate_rect( self.x, self.y, self.type.WIDTH, self.type.HEIGHT, base )
def draw( self, startX, startY, stopX, stopY, pixmap ):
if stopY < self.y or startY > self.endY:
return False
self._drawB( startX, startY, stopX, stopY, pixmap )
def _drawB( self, startX, startY, stopX, stopY, pixmap ):
if stopX < self.x:
return False
if self.child:
self.child._drawB( startX, startY, stopX, stopX, pixmap )
if startX > self.endX:
return False
self._doDraw( startX, startY, stopX, stopY, pixmap )
return True
def _doDraw( self, startX, startY, stopX, stopY, pixmap ):
# TEMP
self.gc.foreground = self.owner.colors[self.color]
pixmap.draw_rectangle( self.gc, True, self.x, self.y, self.type.WIDTH, self.type.HEIGHT )
pass # override in subclasses
def drawHighlight( self, startX, startY, stopX, stopY, pixmap ):
# TEMP
self.gc.foreground = self.owner.colors["tempWhite"]
pixmap.draw_rectangle( self.gc, False, self.x, self.y, self.type.WIDTH-1, self.type.HEIGHT-1 )
class Instrument(Block):
WIDTH = Block.WIDTH
HEIGHT = Block.HEIGHT
WIDTH_DIV2 = WIDTH//2
HEIGHT_DIV2 = HEIGHT//2
def __init__( self, owner, graphics_context ):
Block.__init__( self, owner, graphics_context )
self.type = Instrument
self.canParent = True
self.canChild = True
def _doButtonPress( self, event ): # we were hit with a button press
pass
|
