Perl Tk grid布局管理器<1>
发布时间:2020-12-15 23:48:32 所属栏目:大数据 来源:网络整理
导读:pre name="code" class="sql"#!/usr/local/bin/perluse Tk;#Global Variablesmy $age = 10;# Main Windowmy $mw = new MainWindow;#GUI Building Areamy $frm_name = $mw - Frame();my $lab = $frm_name - Label(-text="Name:");my $ent = $frm_name - Entry
<pre name="code" class="sql">#!/usr/local/bin/perl use Tk; #Global Variables my $age = 10; # Main Window my $mw = new MainWindow; #GUI Building Area my $frm_name = $mw -> Frame(); my $lab = $frm_name -> Label(-text=>"Name:"); my $ent = $frm_name -> Entry(); ###定义输入文本框 #Age my $scl = $mw -> Scale(-label=>"Age :",# Scale 通过用户输入的变量调整滚动条 -orient=>'v',-digit=>5,#-orient=>'v' 滚动条垂直布局 digit数字位数 -from=>10,-to=>50,#开始数字和结束数字 -variable=>$age,-tickinterval=>10); #-variable=>$age传入变量引用,-tickinterval=>10 刻度间隔20 my $but = $mw -> Button(-text=>"Push Me",-command =>&;push_button); ## 执行函数 push_button #Text Area my $textarea = $mw -> Frame(); my $txt = $textarea -> Text(-width=>50,-height=>10); my $srl_y = $textarea -> Scrollbar(-orient=>'v',-command=>[yview => $txt]); ##Scrollbar 滚动条垂直 my $srl_x = $textarea -> Scrollbar(-orient=>'h',-command=>[xview => $txt]); $txt -> configure(-yscrollcommand=>['set',$srl_y],##yscrollcommand文本部件和滚动条通讯 -xscrollcommand=>['set',$srl_x]); #Geometry Management $lab -> grid(-row=>1,-column=>1); ###文本框 $ent -> grid(-row=>1,-column=>2); ###入口 $scl -> grid(-row=>2,-column=>1); ##滚动条 ##-row=>1,-column=>1 表示插入的子控件占据了第N行从0开始,如果不支持这个选项,那么 ##子控件会被安排在相同行和先前的控件被grid布局,或者是空的是第一个子控件 row=>1 column=>1 第一行第一列 $frm_name -> grid(-row=>1,-column=>1,-columnspan=>100); #columnspan=>2 占据的列数 $but -> grid(-row=>4,-columnspan=>2); #$but2 -> grid(-row=>2,-column=>2,-columnspan=>2); $txt -> grid(-row=>1,-column=>1); $srl_y -> grid(-row=>1,-sticky=>"ns"); $srl_x -> grid(-row=>2,-sticky=>"ew"); $textarea -> grid(-row=>5,-columnspan=>2); MainLoop; ## Functions #This function will be exected when the button is pushed sub push_button { my $name = $ent -> get(); $txt -> insert('end',"$name is $age years old"); } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |