ipage2.htm

操作系统课程设计

<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">
<font size="2" color="#3D5063">&nbsp;&nbsp;&nbsp; GtkWidget *box1;</font></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">
<font size="2" color="#3D5063">&nbsp;&nbsp;&nbsp; </font></span></p>
<p class="MsoNormal" style="text-indent: 21.0pt">
<span lang="EN-US" style="font-family:宋体"><font size="2" color="#3D5063">
gtk_init (&amp;argc, &amp;argv);</font></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">
<font size="2" color="#3D5063">&nbsp;&nbsp;&nbsp; </font></span></p>
<p class="MsoNormal" style="text-indent: 21.0pt">
<span lang="EN-US" style="font-family:宋体"><font size="2" color="#3D5063">window 
= gtk_window_new (GTK_WINDOW_TOPLEVEL);</font></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">
<font size="2" color="#3D5063">&nbsp;&nbsp;&nbsp; gtk_window_set_title (GTK_WINDOW (window), 
&quot;Process3Bar&quot;);</font></span></p>
<p class="MsoNormal"><font color="#3D5063">
<span lang="EN-US" style="font-size:10.0pt;font-family:宋体">&nbsp;&nbsp; </span>
<span lang="EN-US" style="font-family: 宋体"><font size="2">&nbsp;g_signal_connect 
(G_OBJECT (window), &quot;delete_event&quot;,G_CALLBACK (delete_event), NULL);</font></span></font></p>
<p class="MsoNormal" style="text-indent:21.0pt">
<span lang="EN-US" style="font-family:宋体"><font size="2" color="#3D5063">
gtk_container_set_border_width (GTK_CONTAINER (window), 10);</font></span></p>
<p class="MsoNormal" style="text-indent:21.0pt">
<span lang="EN-US" style="font-family:宋体"><font size="2" color="#3D5063">box1 = 
gtk_hbox_new (FALSE, 0);</font></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">
<font size="2" color="#3D5063">&nbsp;&nbsp;&nbsp; gtk_container_add (GTK_CONTAINER (window), 
box1);</font></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">
<font size="2" color="#3D5063">&nbsp;&nbsp;&nbsp; button = gtk_button_new_with_label (&quot;Button 
1&quot;);</font></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">
<font size="2" color="#3D5063">&nbsp;&nbsp;&nbsp; </font></span></p>
<p class="MsoNormal" style="text-indent: 21.0pt"><font color="#3D5063">
<span lang="EN-US" style="font-family:宋体"><font size="2">/</font></span><span lang="EN-US" style="font-family: 宋体"><font size="2">*
</font></span><span style="font-family: 宋体"><font size="2">当按钮被按下时，调用<span lang="EN-US"> 
&quot;callback&quot; </span>函数，并将一个指向<span lang="EN-US"> &quot;button 1&quot; </span>的指针作为它的参数。</font><span lang="EN-US"><font size="2">*/</font></span></span></font></p>
<p class="MsoNormal"><font color="#3D5063">
<span lang="EN-US" style="font-family:宋体"><font size="2">&nbsp;&nbsp; </font></span>
<span lang="EN-US" style="font-family: 宋体"><font size="2">&nbsp;g_signal_connect 
(G_OBJECT (button), &quot;clicked&quot;,G_CALLBACK (callback), &quot;button 1&quot;);</font></span></font></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">
<font size="2" color="#3D5063">&nbsp;&nbsp;&nbsp; gtk_box_pack_start (GTK_BOX(box1), button, 
TRUE, TRUE, 0);</font></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">
<font size="2" color="#3D5063">&nbsp;&nbsp;&nbsp; gtk_widget_show (button);</font></span></p>
<p class="MsoNormal" style="text-indent: 21.0pt">
<span lang="EN-US" style="font-family:宋体"><font size="2" color="#3D5063">button 
= gtk_button_new_with_label (&quot;Button 2&quot;);</font></span></p>
<p class="MsoNormal"><font color="#3D5063">
<span lang="EN-US" style="font-family:宋体"><font size="2">&nbsp;&nbsp; </font></span>
<span lang="EN-US" style="font-family: 宋体"><font size="2">&nbsp;</font></span></font></p>
<p class="MsoNormal" style="text-indent: 18.0pt">
<span lang="EN-US" style="font-family: 宋体"><font size="2" color="#3D5063">
g_signal_connect (G_OBJECT (button), &quot;clicked&quot;,G_CALLBACK (callback), &quot;button 
2&quot;);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </font></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">
<font size="2" color="#3D5063">&nbsp;&nbsp;&nbsp; gtk_box_pack_start(GTK_BOX (box1), button, 
TRUE, TRUE, 0);</font></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">
<font size="2" color="#3D5063">&nbsp;&nbsp;&nbsp; </font></span></p>
<p class="MsoNormal" style="text-indent: 21.0pt">
<span lang="EN-US" style="font-family:宋体"><font size="2" color="#3D5063">
gtk_widget_show (button);</font></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">
<font size="2" color="#3D5063">&nbsp;&nbsp;&nbsp; gtk_widget_show (box1);</font></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">
<font size="2" color="#3D5063">&nbsp;&nbsp;&nbsp; gtk_widget_show (window);&nbsp;&nbsp;&nbsp; </font></span>
</p>
<p class="MsoNormal" style="text-indent:21.0pt">
<span lang="EN-US" style="font-family:宋体"><font size="2" color="#3D5063">
gtk_main ();&nbsp;&nbsp; </font></span></p>
<p class="MsoNormal" style="text-indent: 15.75pt">
<span lang="EN-US" style="font-family:宋体"><font size="2" color="#3D5063">&nbsp;</font></span></p>
<p class="MsoNormal" style="text-indent: 26.25pt">
<span lang="EN-US" style="font-family:宋体"><font size="2" color="#3D5063">return 
0;</font></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">
<font size="2" color="#3D5063">}</font></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">
<font size="2" color="#3D5063">&nbsp;</font></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">
<font size="2" color="#3D5063">&nbsp;</font></span></p>
<p class="MsoNormal" style="text-indent: 21.0pt"><span style="font-family:宋体">
<font size="2" color="#3D5063">以上三个<span lang="EN-US">gtk</span>程序用到<span lang="EN-US">gtk+</span>函数，应该包含<span lang="EN-US">gtk/gtk.h</span>文件，此外，还需连接若干库。</font></span></p>
<p class="MsoNormal"><span style="font-family:宋体">
<font size="2" color="#3D5063">它们的编译及执行命令如下：</font></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">
<font size="2" color="#3D5063">&nbsp;</font></span></p>
<p class="MsoNormal" style="text-indent:21.0pt">
<span lang="EN-US" style="font-family:宋体"><font size="2" color="#3D5063">clock.c</font></span></p>
<p class="MsoNormal" style="text-indent:21.0pt"><font color="#3D5063">
<span lang="EN-US" style="font-family:宋体"><font size="2">&nbsp;&nbsp;&nbsp; </font></span>
<span style="font-family:宋体"><font size="2">编译命令：</font><span lang="EN-US"><font size="2">gcc 
–o clock clock.c `pkg-config –cflags –libs gtk+-2.0`</font></span></span></font></p>
<p class="MsoNormal" style="text-indent:21.0pt"><font color="#3D5063">
<span lang="EN-US" style="font-family:宋体"><font size="2">&nbsp;&nbsp;&nbsp; </font></span>
<span style="font-family:宋体"><font size="2">执行命令：</font><span lang="EN-US"><font size="2">./clock</font></span></span></font></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">
<font size="2" color="#3D5063">&nbsp;</font></span></p>
<p class="MsoNormal" style="text-indent:21.0pt">
<span lang="EN-US" style="font-family:宋体"><font size="2" color="#3D5063">pro.c</font></span></p>
<p class="MsoNormal" style="text-indent:21.0pt"><font color="#3D5063">
<span lang="EN-US" style="font-family:宋体"><font size="2">&nbsp;&nbsp;&nbsp; </font></span>
<span style="font-family:宋体"><font size="2">编译命令：</font><span lang="EN-US"><font size="2">gcc 
–o pro pro.c `pkg-config –cflags –libs gtk+-2.0`</font></span></span></font></p>
<p class="MsoNormal" style="text-indent:21.0pt"><font color="#3D5063">
<span lang="EN-US" style="font-family:宋体"><font size="2">&nbsp;&nbsp;&nbsp; </font></span>
<span style="font-family:宋体"><font size="2">执行命令：</font><span lang="EN-US"><font size="2">./pro</font></span></span></font></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">
<font size="2" color="#3D5063">&nbsp;</font></span></p>
<p class="MsoNormal" style="text-indent:21.0pt">
<span lang="EN-US" style="font-family:宋体"><font size="2" color="#3D5063">
helloworld.c</font></span></p>
<p class="MsoNormal" style="text-indent:21.0pt"><font color="#3D5063">
<span lang="EN-US" style="font-family:宋体"><font size="2">&nbsp;&nbsp;&nbsp; </font></span>
<span style="font-family:宋体"><font size="2">编译命令：</font></span><span lang="EN-US" style="font-family: 宋体"><font size="2">gcc 
–o helloworld helloworld.c `pkg-config –cflags –libs gtk+-2.0`</font></span></font></p>
<p class="MsoNormal" style="text-indent:21.0pt"><font color="#3D5063">
<span lang="EN-US" style="font-family:宋体"><font size="2">&nbsp;&nbsp;&nbsp; </font></span>
<span style="font-family:宋体"><font size="2">执行命令：</font><span lang="EN-US"><font size="2">./helloworld</font></span></span></font></p>
<p class="MsoNormal" style="text-indent:21.0pt">　</p>
<p class="MsoNormal" style="text-indent: 10.5pt"><span style="font-family:宋体">
编译完成后，用<span lang="EN-US">./main</span>执行可得到下面的运行结果</span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">&nbsp;</span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:宋体">&nbsp;</span></p>
<p class="MsoNormal" style="text-indent:21.0pt">　</p>
<font size="2" color="#3D5063">&nbsp;&nbsp;&nbsp; </font></TD></TR>
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