C指针原理(25)-gtk

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GTK+3开发

GTK+3可以运行在WIN下和LINUX下。

#include <gtk/gtk.h>

int main( int argc, char *argv[])
{
  GtkWidget *window;
  GtkWidget *fixed;
  GtkWidget *button;

  gtk_init(&argc, &argv);

  window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  gtk_window_set_title(GTK_WINDOW(window), "你好");
  gtk_window_set_default_size(GTK_WINDOW(window), 230, 150);
  gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);

  fixed = gtk_fixed_new();
  gtk_container_add(GTK_CONTAINER(window), fixed);

  button = gtk_button_new_with_label("退出");

  gtk_fixed_put(GTK_FIXED(fixed), button, 50, 50);
  gtk_widget_set_size_request(button, 80, 35);

  g_signal_connect(G_OBJECT(button), "clicked",
      G_CALLBACK(gtk_main_quit), G_OBJECT(window));

  g_signal_connect_swapped(G_OBJECT(window), "destroy",
      G_CALLBACK(gtk_main_quit), NULL);

  gtk_widget_show_all(window);

  gtk_main();

  return 0;
}

windows下配置gtk+3与codeblocks的开发环境如下:

选择all-in-one bundle下载后安装。

Then add the bin folder to your PATH. Make sure you have no other

versions of GTK+ in PATH. Run:

pkg-config --cflags gtk+-3.0

and verify that it prints out something reasonable. Prepare Pango :

pango-querymodules > c:\gtk\etc\pango\pango.modules

Prepare GDK-Pixbuf :

gdk-pixbuf-query-loaders > c:\gtk\lib\gdk-pixbuf-2.0\2.10.0\loaders.cache

Prepare GTK±IMModules :

gtk-query-immodules-3.0 > c:\gtk\lib\gtk-3.0\3.0.0\immodules.cache

Run:

gtk3-demo

and verify that it works.

J:>pkg-config --libs gtk±3.0 > libs.txt

J:>pkg-config --cflags gtk±3.0 > cflags.txt

Codeblocks 建立empty project

#include <gtk/gtk.h>

static void destroy(GtkWidget window,gpointer data){
    printf("%s",gtk_label_get_text(data));
    gtk_main_quit();
}
static gboolean delete_event(GtkWindow window,GdkEvent *event,gpointer data){
    return FALSE;
}

int main( int argc, char argv[])
{
  GtkWidget window;
  char markup;
  char str="hello,world";

  gtk_init(&argc, &argv);

  window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  gtk_window_set_title(GTK_WINDOW(window), "你好");
  gtk_container_set_border_width(GTK_CONTAINER(window),10);
  gtk_window_set_default_size(GTK_WINDOW(window), 130, 150);
  gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);

  GtkWidget * label=gtk_label_new("");
  markup = g_markup_printf_escaped ("<span style=\"italic\">%s</span>",str );
  gtk_label_set_markup (GTK_LABEL (label), markup);
  gtk_label_set_selectable(GTK_LABEL(label),TRUE);
  g_signal_connect(G_OBJECT(window), "destroy",G_CALLBACK(destroy),(gpointer)label);

  g_signal_connect(G_OBJECT(window), "delete _event",G_CALLBACK(delete_event),NULL);

  gtk_container_add(GTK_CONTAINER(window),label);
  gtk_widget_show_all(window);
  gtk_main();
  g_free (markup);
  return 0;
}

在windows下配置远程登录UNIX/LINUX服务器,执行图形程序

在Putty上有X的转发功能,可以将Linux主机的X程序通过SSH通道转发到客户端,交给在本地Windows系统下运行的X Server来管理和显示。 提供X server和SSH服务的软件有很多,可以使用Putty和Xming

 Putty 下载地址:http://www.putty.org/
 Xming 下载地址:http://xming.softpedia.com/

Xming与putty一起实现Linux X11在本地显示的方法如下:

putty上设置:Connection->SSH->X11->Enable X11 forwarding

然后在本地 Windows 系统上启动一个 Xwindow 服务,如 Xming. 这时就可以远程输入命令启动图形界面的程序了,启动后程序的界面将显示在本地的 Windows 桌面上。

Xming的主页:
http://www.straightrunning.com/XmingNotes/
Xming的SourceForge页面:
http://sourceforge.net/projects/xming/

第一次运行时使用开始菜单里面的XLaunch来启动,产生一个初始的配置文件。对于简单的使用来说,不需要任何特殊的配置,一切使用默认即可。Xming的具体配置和使用可以参考http://www.straightrunning.com/XmingNotes/xmingrc.php

运行PuTTY,在配置界面,选择“Connection-SSh-X11”,选中“Enable X11forwarding”,“X display location”中填上上一步中“Display number”中的数字(此处就是“localhost:0”)。

下面测试一下,编写一段简单的关于GTK+的C代码文件:

dp@dp:~/gtklearn % vim test1.c

#include <gtk/gtk.h>

int main (int argc,char *argv[]){
          GtkWidget *window;
          gtk_init (&argc,&argv);
          window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
          g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
          gtk_widget_show (window);
          gtk_main ();
          return 0;
}

然后,编译运行

gcc pkg-config --cflags gtk±3.0 -o window-default tset1.c pkg-config --libs gtk±3.0

给窗口加上标题

dp@dp:~/gtklearn % vim test1.c

#include <gtk/gtk.h>
int main (int argc,char *argv[]){
          GtkWidget *window;
          gtk_init (&argc,&argv);
          window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
          g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
          gtk_window_set_title(GTK_WINDOW(window), "hello,world");
          gtk_widget_show (window);
          gtk_main ();
          return 0;
}

~
dp@dp:~/gtklearn % gcc pkg-config --cflags gtk±3.0 -o window-default test1.c pkg-config --libs gtk±3.0
dp@dp:~/gtklearn % ./window-default

Xming-fonts的安装
http://xming-fonts.software.informer.com/download/
双击Xming-fonts-7-4-0-3-setup.exe安装Xming-fonts, 安装路径为默认的C:\Program Files\Xming, 则安装字体之后的字体路径就是C:\Program Files\Xming\fonts.

这是windows客户端的显示

下面是在虚拟上安装的freebsd的显示

启动xorg

startx

然后运行程序

如下图

我们也可以选择xmanger,相对xming来说,更加强大,使用xmanger后,为正常显示中文,需要下载字体文件安装

http://www.netsarang.com/download/font.html

同时在freebsd/linux端指定编码为utf-8格式,最后需要调整xshell的参数

下面是上述程序在xmanger的运行画面

dp@dp:~/gtklearn % vim test1.c
#include <gtk/gtk.h>
int main (int argc,char *argv[]){
        GtkWidget *window;
        gtk_init (&argc,&argv);
        window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
        g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
        gtk_window_set_title(GTK_WINDOW(window), "你好,世界");
        gtk_widget_show (window);
        gtk_main ();
        return 0;
}

这是在xfce4中运行的界面:

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转载自blog.csdn.net/AI_LX/article/details/89363269
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