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[tools/eficas.git] / Pmw / Pmw_1_2 / demos / ScrolledText_2.py
1 title = 'Pmw.ScrolledText demonstration'
2
3 # Import Pmw from this directory tree.
4 import sys
5 sys.path[:0] = ['../../..']
6
7 import os
8 import Tkinter
9 import Pmw
10
11 class Demo:
12     def __init__(self, parent):
13         # Create the ScrolledText.
14         self.st = Pmw.ScrolledText(parent,
15                 borderframe = 1,
16                 labelpos = 'n',
17                 label_text='ScrolledText.py',
18                 usehullsize = 1,
19                 hull_width = 400,
20                 hull_height = 300,
21                 text_padx = 10,
22                 text_pady = 10,
23                 text_wrap='none'
24         )
25
26         # Create a group widget to contain the scrollmode options.
27         w = Pmw.Group(parent, tag_text='Scroll mode')
28         w.pack(side = 'bottom', padx = 5, pady = 5)
29
30         hmode = Pmw.OptionMenu(w.interior(),
31                 labelpos = 'w',
32                 label_text = 'Horizontal:',
33                 items = ['none', 'static', 'dynamic'],
34                 command = self.sethscrollmode,
35                 menubutton_width = 8,
36         )
37         hmode.pack(side = 'left', padx = 5, pady = 5)
38         hmode.invoke('dynamic')
39
40         vmode = Pmw.OptionMenu(w.interior(),
41                 labelpos = 'w',
42                 label_text = 'Vertical:',
43                 items = ['none', 'static', 'dynamic'],
44                 command = self.setvscrollmode,
45                 menubutton_width = 8,
46         )
47         vmode.pack(side = 'left', padx = 5, pady = 5)
48         vmode.invoke('dynamic')
49
50         buttonBox = Pmw.ButtonBox(parent)
51         buttonBox.pack(side = 'bottom')
52         buttonBox.add('yview', text = 'Show\nyview', command = self.showYView)
53         buttonBox.add('scroll', text = 'Page\ndown', command = self.pageDown)
54         buttonBox.add('center', text = 'Center', command = self.centerPage)
55
56         # Pack this last so that the buttons do not get shrunk when
57         # the window is resized.
58         self.st.pack(padx = 5, pady = 5, fill = 'both', expand = 1)
59
60         # Read this file into the text widget.
61         head, tail = os.path.split(sys.argv[0])
62         self.st.importfile(os.path.join(head,'ScrolledText.py'))
63
64         self.st.insert('end', '\nThis demonstrates how to\n' +
65             'add a window to a text widget:  ')
66         counter = Pmw.Counter(self.st.component('text'),
67             entryfield_value = 9999)
68         self.st.window_create('end', window = counter)
69
70     def sethscrollmode(self, tag):
71         self.st.configure(hscrollmode = tag)
72
73     def setvscrollmode(self, tag):
74         self.st.configure(vscrollmode = tag)
75
76     def showYView(self):
77         print self.st.yview()
78
79     def pageDown(self):
80         self.st.yview('scroll', 1, 'page')
81
82     def centerPage(self):
83         top, bottom = self.st.yview()
84         size = bottom - top
85         middle = 0.5 - size / 2
86         self.st.yview('moveto', middle)
87
88 ######################################################################
89
90 # Create demo in root window for testing.
91 if __name__ == '__main__':
92     root = Tkinter.Tk()
93     Pmw.initialise(root)
94     root.title(title)
95
96     exitButton = Tkinter.Button(root, text = 'Exit', command = root.destroy)
97     exitButton.pack(side = 'bottom')
98     widget = Demo(root)
99     root.mainloop()