Gtk+-3.0实例1.带点击事件的简单按钮实现-创新互联
1. 实现说明
网站名称:Gtk+-3.0实例1.带点击事件的简单按钮实现-创新互联
本文路径:http://pwwzsj.com/article/djieeo.html
- 实现环境window10+msys2+gtk3+cb20.03+gcc12
- 源码来自于《GTK2编程范例》1.3节的Hello程序
- 解决了源代码中计数器不能自动加1的问题
- 解决了中文乱码的问题,增加了gbk2utf8编码转换函数
#include//中文字符串显示时的编码转换:GBK-to-UTF-8
char* gbk2utf8(char* c){return (g_locale_to_utf8(c,-1,0,0,0));
}
gint count=0;
void on_button_clicked(GtkWidget *bt,gpointer data){g_print(gbk2utf8("Button点击了"));
g_print(" %d ",count);
g_print(gbk2utf8("次!\n"));
count += 1;
}
int main(int argc, char *argv[]) {GtkWidget *window;
GtkWidget *button;
gtk_init(&argc, &argv);
g_print("<----About GTK+-3.0---->\n");
g_print(" GTK+ version: %d.%d.%d\n", gtk_major_version,
gtk_minor_version, gtk_micro_version);
g_print(" Glib version: %d.%d.%d\n", glib_major_version,
glib_minor_version, glib_micro_version);
g_print("<---------------------->\n");
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(window), gbk2utf8("按钮示例"));
gtk_window_set_default_size(GTK_WINDOW(window), 260, 50);
gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
gtk_container_set_border_width(GTK_CONTAINER(window),10);
g_signal_connect(G_OBJECT(window), "destroy", G_CALLBACK(gtk_main_quit), NULL);
button = gtk_button_new_with_label(gbk2utf8("点我试试!"));
g_signal_connect(G_OBJECT(button),"clicked", G_CALLBACK(on_button_clicked),NULL);
gtk_container_add(GTK_CONTAINER(window),button);
gtk_widget_show(button);
gtk_widget_show(window);
gtk_main();
return 0;
}
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改为了char const *
,原因是 ISO C++ 标准禁止a string constant
到char*
的转换 !运行结果如上图。
#include#includeusing namespace std;
//中文字符串显示时的编码转换:GBK-to-UTF-8
char const * gbk2utf8(char const * c){return (g_locale_to_utf8(c,-1,0,0,0));
}
gint count=0;
void on_button_clicked( ){g_print(gbk2utf8("Button点击了"));
g_print(" %d ",count);
g_print(gbk2utf8("次!\n"));
count += 1;
}
int main(int argc, char *argv[]) {GtkWidget *window;
GtkWidget *button;
gtk_init(&argc, &argv);
cout<< "<----About GTK+-3.0---->\n";
cout<< " GTK+ version: "<< gtk_major_version<< "."<< gtk_minor_version<< "."<< gtk_micro_version<\n";
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(window), gbk2utf8("按钮示例"));
gtk_window_set_default_size(GTK_WINDOW(window), 260, 50);
gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
gtk_container_set_border_width(GTK_CONTAINER(window),10);
g_signal_connect(G_OBJECT(window), "destroy", G_CALLBACK(gtk_main_quit), NULL);
button = gtk_button_new_with_label(gbk2utf8("点我试试!"));
g_signal_connect(G_OBJECT(button),"clicked", G_CALLBACK(on_button_clicked),NULL);
gtk_container_add(GTK_CONTAINER(window),button);
gtk_widget_show(button);
gtk_widget_show(window);
gtk_main();
return 0;
}
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网站名称:Gtk+-3.0实例1.带点击事件的简单按钮实现-创新互联
本文路径:http://pwwzsj.com/article/djieeo.html