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
|
import skin
from HTMLComponent import HTMLComponent
from GUIComponent import GUIComponent
from enigma import eLabel, eWidget, eSlider, fontRenderClass, ePoint, eSize
class ScrollLabel(HTMLComponent, GUIComponent):
def __init__(self, text=""):
GUIComponent.__init__(self)
self.message = text
self.instance = None
self.long_text = None
self.scrollbar = None
self.pages = None
self.total = None
def applySkin(self, desktop):
ret = False
if self.skinAttributes is not None:
skin.applyAllAttributes(self.long_text, desktop, self.skinAttributes)
widget_attribs = [ ]
scrollbar_attribs = [ ]
for (attrib, value) in self.skinAttributes:
if attrib.find("borderColor") != -1 or attrib.find("borderWidth") != -1:
scrollbar_attribs.append((attrib,value))
if attrib.find("transparent") != -1 or attrib.find("backgroundColor") != -1:
widget_attribs.append((attrib,value))
skin.applyAllAttributes(self.instance, desktop, widget_attribs)
skin.applyAllAttributes(self.scrollbar, desktop, scrollbar_attribs+widget_attribs)
ret = True
s = self.long_text.size()
self.instance.move(self.long_text.position())
lineheight=fontRenderClass.getInstance().getLineHeight( self.long_text.getFont() )
lines = (int)(s.height() / lineheight)
self.pageHeight = (int)(lines * lineheight)
self.instance.resize(eSize(s.width(), self.pageHeight+(int)(lineheight/6)))
self.scrollbar.move(ePoint(s.width()-20,0))
self.scrollbar.resize(eSize(20,self.pageHeight+(int)(lineheight/6)))
self.scrollbar.setOrientation(eSlider.orVertical);
self.scrollbar.setRange(0,100)
self.scrollbar.setBorderWidth(1)
self.long_text.move(ePoint(0,0))
self.long_text.resize(eSize(s.width()-30, self.pageHeight*16))
self.setText(self.message)
return ret
def setText(self, text):
self.message = text
if self.long_text is not None and self.pageHeight:
self.long_text.move(ePoint(0,0))
self.long_text.setText(self.message)
text_height=self.long_text.calculateSize().height()
total=self.pageHeight
pages=1
while total < text_height:
total=total+self.pageHeight
pages=pages+1
if pages > 1:
self.scrollbar.show()
self.total = total
self.pages = pages
self.updateScrollbar()
else:
self.scrollbar.hide()
self.total = None
self.pages = None
def appendText(self, text):
old_text = self.getText()
if len(str(old_text)) >0:
self.message += text
else:
self.message = text
if self.long_text is not None:
self.long_text.setText(self.message)
text_height=self.long_text.calculateSize().height()
total=self.pageHeight
pages=1
while total < text_height:
total=total+self.pageHeight
pages=pages+1
if pages > 1:
self.scrollbar.show()
self.total = total
self.pages = pages
self.updateScrollbar()
else:
self.scrollbar.hide()
self.total = None
self.pages = None
def updateScrollbar(self):
start = -self.long_text.position().y() * 100 / self.total
vis = self.pageHeight * 100 / self.total;
self.scrollbar.setStartEnd(start, start+vis)
def getText(self):
return self.message
def GUIcreate(self, parent):
self.instance = eWidget(parent)
self.scrollbar = eSlider(self.instance)
self.long_text = eLabel(self.instance)
def GUIdelete(self):
self.long_text = None
self.scrollbar = None
self.instance = None
def pageUp(self):
if self.total is not None:
curPos = self.long_text.position()
if curPos.y() < 0:
self.long_text.move( ePoint( curPos.x(), curPos.y() + self.pageHeight ) )
self.updateScrollbar()
def pageDown(self):
if self.total is not None:
curPos = self.long_text.position()
if self.total-self.pageHeight >= abs( curPos.y() - self.pageHeight ):
self.long_text.move( ePoint( curPos.x(), curPos.y() - self.pageHeight ) )
self.updateScrollbar()
def lastPage(self):
i=1
while i < self.pages:
self.pageDown()
i += 1
self.updateScrollbar()
def produceHTML(self):
return self.getText()
|
