GTK+获取字符ASCII码值的程序(支持多字符) 作者：AlimysoYang

#include <gtk/gtk.h>

GtkWidget *wnd;
GtkWidget *hbox1,*hbox2,*hbox3,*vbox;
GtkWidget *lbchars,*lbasciivalue;
GtkWidget *etchars,*etasciivalue;
GtkWidget *btnascii;

void ui_init()
{
    wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_window_set_title(GTK_WINDOW(wnd),"ASCII转换");
    gtk_window_set_position(GTK_WINDOW(wnd),GTK_WIN_POS_CENTER);
    
    lbchars = gtk_label_new("请输入");
    etchars = gtk_entry_new();
    hbox1 = gtk_hbox_new(FALSE,2);
    gtk_box_pack_start(GTK_BOX(hbox1),lbchars,FALSE,TRUE,2);
    gtk_box_pack_start(GTK_BOX(hbox1),etchars,TRUE,TRUE,2);
    
    lbasciivalue = gtk_label_new("ASCII值");
    etasciivalue = gtk_entry_new();
    hbox2 = gtk_hbox_new(FALSE,2);
    gtk_box_pack_start(GTK_BOX(hbox2),lbasciivalue,FALSE,TRUE,2);
    gtk_box_pack_start(GTK_BOX(hbox2),etasciivalue,TRUE,TRUE,2);
    
    btnascii = gtk_button_new_with_label("ASCII码转换");
    hbox3 = gtk_hbox_new(FALSE,0);
    gtk_box_pack_start(GTK_BOX(hbox3),btnascii,TRUE,TRUE,0);
    
    vbox = gtk_vbox_new(TRUE,2);
    gtk_box_pack_start(GTK_BOX(vbox),hbox1,TRUE,TRUE,2);
    gtk_box_pack_start(GTK_BOX(vbox),hbox2,TRUE,TRUE,2);
    gtk_box_pack_start(GTK_BOX(vbox),hbox3,TRUE,TRUE,2);
    
    gtk_container_add(GTK_CONTAINER(wnd),vbox);
    gtk_widget_show_all(wnd);
}

int chartoascii(gchar c)
{
    int i = c;
    return i;
}

void btnascii_clicked(GtkButton *button,gpointer user_data)
{
    gtk_entry_set_text(GTK_ENTRY(etasciivalue),"");
    const gchar *str = gtk_entry_get_text(GTK_ENTRY(etchars));
    if (str!=NULL)
    {
        gchar *c;
        c = &(*str);
        const gchar *result = "";
        int i,ir,len;
        len = strlen(str);
        for (i = 0;i<len;i++)
        {
            ir = chartoascii(*c);
            c++;
            result = g_strdup_printf("%d ",ir);
            gtk_entry_append_text(GTK_ENTRY(etasciivalue),result);
        }
    }
}

int main(int argc,char *argv[])
{
    gtk_init(&argc,&argv);
    
    ui_init();
    
    g_signal_connect(G_OBJECT(wnd),"destroy",G_CALLBACK(gtk_main_quit),NULL);
    g_signal_connect(G_OBJECT(btnascii),"clicked",G_CALLBACK(btnascii_clicked),NULL);
    gtk_main();
    return 0;
}

 

 

 

 

 

 

 

 

 

好像个警告，运行结果：