projects / OpenSPARC-T2-DV / blame
| Commit | Line | Data |
|---|---|---|
| 86530b38 AT |
1 | title = 'Pmw.ScrolledFrame demonstration' |
| 2 | ||
| 3 | # Import Pmw from this directory tree. | |
| 4 | import sys | |
| 5 | sys.path[:0] = ['../../..'] | |
| 6 | ||
| 7 | import Tkinter | |
| 8 | import Pmw | |
| 9 | ||
| 10 | class Demo: | |
| 11 | def __init__(self, parent): | |
| 12 | # Create the ScrolledFrame. | |
| 13 | self.sf = Pmw.ScrolledFrame(parent, | |
| 14 | labelpos = 'n', label_text = 'ScrolledFrame', | |
| 15 | usehullsize = 1, | |
| 16 | hull_width = 400, | |
| 17 | hull_height = 220, | |
| 18 | ) | |
| 19 | ||
| 20 | # Create a group widget to contain the flex options. | |
| 21 | w = Pmw.Group(parent, tag_text='Flex') | |
| 22 | w.pack(side = 'bottom', padx = 5, pady = 3) | |
| 23 | ||
| 24 | hflex = Pmw.OptionMenu(w.interior(), | |
| 25 | labelpos = 'w', | |
| 26 | label_text = 'Horizontal:', | |
| 27 | items = ['fixed', 'expand', 'shrink', 'elastic'], | |
| 28 | command = self.sethflex, | |
| 29 | menubutton_width = 8, | |
| 30 | ) | |
| 31 | hflex.pack(side = 'left', padx = 5, pady = 3) | |
| 32 | hflex.invoke('fixed') | |
| 33 | ||
| 34 | vflex = Pmw.OptionMenu(w.interior(), | |
| 35 | labelpos = 'w', | |
| 36 | label_text = 'Vertical:', | |
| 37 | items = ['fixed', 'expand', 'shrink', 'elastic'], | |
| 38 | command = self.setvflex, | |
| 39 | menubutton_width = 8, | |
| 40 | ) | |
| 41 | vflex.pack(side = 'left', padx = 5, pady = 3) | |
| 42 | vflex.invoke('fixed') | |
| 43 | ||
| 44 | # Create a group widget to contain the scrollmode options. | |
| 45 | w = Pmw.Group(parent, tag_text='Scroll mode') | |
| 46 | w.pack(side = 'bottom', padx = 5, pady = 0) | |
| 47 | ||
| 48 | hmode = Pmw.OptionMenu(w.interior(), | |
| 49 | labelpos = 'w', | |
| 50 | label_text = 'Horizontal:', | |
| 51 | items = ['none', 'static', 'dynamic'], | |
| 52 | command = self.sethscrollmode, | |
| 53 | menubutton_width = 8, | |
| 54 | ) | |
| 55 | hmode.pack(side = 'left', padx = 5, pady = 3) | |
| 56 | hmode.invoke('dynamic') | |
| 57 | ||
| 58 | vmode = Pmw.OptionMenu(w.interior(), | |
| 59 | labelpos = 'w', | |
| 60 | label_text = 'Vertical:', | |
| 61 | items = ['none', 'static', 'dynamic'], | |
| 62 | command = self.setvscrollmode, | |
| 63 | menubutton_width = 8, | |
| 64 | ) | |
| 65 | vmode.pack(side = 'left', padx = 5, pady = 3) | |
| 66 | vmode.invoke('dynamic') | |
| 67 | ||
| 68 | self.radio = Pmw.RadioSelect(parent, selectmode = 'multiple', | |
| 69 | command = self.radioSelected) | |
| 70 | self.radio.add('center', text = 'Keep centered vertically') | |
| 71 | self.radio.pack(side = 'bottom') | |
| 72 | ||
| 73 | buttonBox = Pmw.ButtonBox(parent) | |
| 74 | buttonBox.pack(side = 'bottom') | |
| 75 | buttonBox.add('add', text = 'Add a button', command = self.addButton) | |
| 76 | buttonBox.add('yview', text = 'Show yview', command = self.showYView) | |
| 77 | buttonBox.add('scroll', text = 'Page down', command = self.pageDown) | |
| 78 | ||
| 79 | # Pack this last so that the buttons do not get shrunk when | |
| 80 | # the window is resized. | |
| 81 | self.sf.pack(padx = 5, pady = 3, fill = 'both', expand = 1) | |
| 82 | ||
| 83 | self.frame = self.sf.interior() | |
| 84 | ||
| 85 | self.row = 0 | |
| 86 | self.col = 0 | |
| 87 | ||
| 88 | for count in range(15): | |
| 89 | self.addButton() | |
| 90 | ||
| 91 | def sethscrollmode(self, tag): | |
| 92 | self.sf.configure(hscrollmode = tag) | |
| 93 | ||
| 94 | def setvscrollmode(self, tag): | |
| 95 | self.sf.configure(vscrollmode = tag) | |
| 96 | ||
| 97 | def sethflex(self, tag): | |
| 98 | self.sf.configure(horizflex = tag) | |
| 99 | ||
| 100 | def setvflex(self, tag): | |
| 101 | self.sf.configure(vertflex = tag) | |
| 102 | ||
| 103 | def addButton(self): | |
| 104 | button = Tkinter.Button(self.frame, | |
| 105 | text = '(%d,%d)' % (self.col, self.row)) | |
| 106 | button.grid(row = self.row, column = self.col, sticky = 'nsew') | |
| 107 | ||
| 108 | self.frame.grid_rowconfigure(self.row, weight = 1) | |
| 109 | self.frame.grid_columnconfigure(self.col, weight = 1) | |
| 110 | if self.sf.cget('horizflex') == 'expand' or \ | |
| 111 | self.sf.cget('vertflex') == 'expand': | |
| 112 | self.sf.reposition() | |
| 113 | ||
| 114 | if 'center' in self.radio.getcurselection(): | |
| 115 | self.sf.update_idletasks() | |
| 116 | self.centerPage() | |
| 117 | ||
| 118 | if self.col == self.row: | |
| 119 | self.col = 0 | |
| 120 | self.row = self.row + 1 | |
| 121 | else: | |
| 122 | self.col = self.col + 1 | |
| 123 | ||
| 124 | def showYView(self): | |
| 125 | print self.sf.yview() | |
| 126 | ||
| 127 | def pageDown(self): | |
| 128 | self.sf.yview('scroll', 1, 'page') | |
| 129 | ||
| 130 | def radioSelected(self, name, state): | |
| 131 | if state: | |
| 132 | self.centerPage() | |
| 133 | ||
| 134 | def centerPage(self): | |
| 135 | # Example of how to use the yview() method of Pmw.ScrolledFrame. | |
| 136 | top, bottom = self.sf.yview() | |
| 137 | size = bottom - top | |
| 138 | middle = 0.5 - size / 2 | |
| 139 | self.sf.yview('moveto', middle) | |
| 140 | ||
| 141 | ###################################################################### | |
| 142 | ||
| 143 | # Create demo in root window for testing. | |
| 144 | if __name__ == '__main__': | |
| 145 | import os | |
| 146 | if os.name == 'nt': | |
| 147 | size = 16 | |
| 148 | else: | |
| 149 | size = 12 | |
| 150 | root = Tkinter.Tk() | |
| 151 | Pmw.initialise(root, size = size, fontScheme = 'pmw2') | |
| 152 | root.title(title) | |
| 153 | ||
| 154 | exitButton = Tkinter.Button(root, text = 'Exit', command = root.destroy) | |
| 155 | exitButton.pack(side = 'bottom') | |
| 156 | widget = Demo(root) | |
| 157 | root.mainloop() |