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📜 Tk-Mega Widgets
📅 最后修改于: 2020-10-16 06:34:46 🧑 作者: Mango
Mega小部件包括许多大型Tk应用程序中经常需要的许多复杂的小部件。可用的大型小部件列表如下所示-
| Sr.No. | Widget & Description |
|---|---|
| 1 | Dialog
Widget for displaying dialog boxes. |
| 2 | Spinbox
Widget that allows users to choose numbers. |
| 3 | Combobox
Widget that combines an entry with a list of choices available to the use. |
| 4 | Notebook
Tabbed widget that helps to switch between one of several pages, using an index tab. |
| 5 | Progressbar
Widget to provide visual feedback to the progress of a long operation like file upload. |
| 6 | Treeview
Widget to display and allow browsing through a hierarchy of items more in form of tree. |
| 7 | Scrollbar
Scrolling widgets without a text or canvas widgets. |
| 8 | Scale
Scale widget to choose a numeric value through sliders. |
下面显示了一个简单的Tk示例，其中使用了一些大型小部件。
#!/usr/bin/wish
ttk::treeview .tree -columns "Creator Year" -displaycolumns "Year Creator"
.tree heading Creator -text "Creator" -anchor center
.tree heading Year -text "Year" -anchor center
pack .tree
.tree insert {} end -id Languages -text "Languages"
.tree insert Languages end -text C -values [list "Dennis Ritchie" "1990"]
proc scaleMe {mywidget scaleValue} {
$mywidget configure -length $scaleValue
}
pack [scale .s2 -from 100.0 -to 200.0 -length 100 -background yellow -borderwidth 5
-font{Helvetica -18 bold} -foreground red -width 40 -relief ridge -orien horizontal
-variable a -command "scaleMe .s2" ]
pack [ttk::progressbar .p1 -orient horizontal -length 200 -mode indeterminate -value 90]
pack [ttk::progressbar .p2 -orient horizontal -length 200 -mode determinate -variable a
-maximum 75 -value 20]
当我们运行上面的程序时，我们将获得以下输出-
