| 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() |