Source Code for Module pyforms.gui.Controls.ControlEventTimeline.TimelinePointer

 1  #!/usr/bin/python 
 2  # -*- coding: utf-8 -*- 
 3   
 4  """ pyforms.gui.Controls.ControlEventTimeline.TimelinePointer 
 5   
 6  """ 
 7   
 8  from PyQt4 import QtGui, QtCore 
 9   
10  __author__ = ["Ricardo Ribeiro", "Hugo Cachitas"] 
11  __credits__ = ["Ricardo Ribeiro", "Hugo Cachitas"] 
12  __license__ = "MIT" 
13  __version__ = "0.0" 
14  __maintainer__ = "Ricardo Ribeiro" 
15  __email__ = "ricardojvr@gmail.com" 
16  __status__ = "Development" 
17   
18   
19 -class TimelinePointer(object): 
20   
21 -    def __init__(self, position, parent): 
22          self._position = position 
23          self._parent = parent 
24   
25 -    def draw(self, painter, showvalues=False): 
26          painter.setPen(QtGui.QColor(0, 255, 0)) 
27          painter.setBrush(QtGui.QColor(0, 255, 0)) 
28          painter.drawLine( 
29              self.position, 8, self.position, self._parent.height()) 
30          painter.drawEllipse(QtCore.QPoint(self.position, 8), 5, 5) 
31          painter.drawText(self.position + 8, 8 + 4, str(self._position)) 
32   
33      ########################################################################## 
34      #### HELPERS/FUNCTIONS ################################################### 
35      ########################################################################## 
36   
37 -    def moveEvent(self): 
38          pass 
39   
40 -    def collide(self, x, y): 
41          return (self.position - 5) <= x <= (self.position + 5) and 3 <= y <= 11 
42   
43 -    def canSlideBegin(self, x, y): 
44          return False 
45   
46 -    def canSlideEnd(self, x, y): 
47          return False 
48   
49 -    def move(self, x, y): 
50          x = int(round(x / self._parent._scale)) 
51          if (self._position - x) >= 0 and (self._position - x) <= (self._parent.width() / self._parent._scale): 
52              self._position += x 
53              self.moveEvent() 
54   
55      ########################################################################## 
56      #### PROPERTIES ########################################################## 
57      ########################################################################## 
58   
59      @property 
60 -    def position(self): return self._position * self._parent._scale 
61   
62      @position.setter 
63 -    def position(self, value): 
64          self._position = int(round(value / self._parent._scale)) 
65          self.moveEvent() 
66   
67      @property 
68 -    def frame(self): return self._position 
69