1.8创建不同标签.cpp

gtk+ 编程

//多种样式的标签 label.c
#include<gtk/gtk.h>
int main( int argc,char* argv[])
{
    GtkWidget* window;
    GtkWidget* box;
    GtkWidget* label1;
    GtkWidget* label2;
    GtkWidget* label3;
    GtkWidget* label4;
    GtkWidget* frame1;
    GtkWidget* frame2;
    GtkWidget* frame3;
    GtkWidget* frame4;
    gchar* title;
    gtk_init(&argc,&argv);
    window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_window_set_title(GTK_WINDOW(window),"all kinds of label" );
    g_signal_connect(G_OBJECT(window),"destroy",
             G_CALLBACK(gtk_main_quit),NULL);
    box = gtk_vbox_new(FALSE,0);
    gtk_container_add(GTK_CONTAINER(window),box);
    frame1 = gtk_frame_new("label");
    label1 = gtk_label_new(" first label ,left");
    gtk_container_add(GTK_CONTAINER(frame1),label1);
    gtk_label_set_justify(GTK_LABEL(label1),GTK_JUSTIFY_LEFT);
    gtk_box_pack_start(GTK_BOX(box),frame1,FALSE,FALSE,5);
    
    frame2 = gtk_frame_new("label2");
    label2 = gtk_label_new("second label right ");
    gtk_container_add(GTK_CONTAINER(frame2),label2);
    gtk_label_set_justify(GTK_LABEL(label2),GTK_JUSTIFY_FILL);
    gtk_box_pack_start(GTK_BOX(box),frame2,FALSE,FALSE,5);
    
    frame3 = gtk_frame_new("label3");
    label3 = gtk_label_new(NULL);
    title = "<span foreground=\"red\"><big><i>this is third label</i></big></span>";
    gtk_label_set_markup(GTK_LABEL(label3),title);
    gtk_container_add(GTK_CONTAINER(frame3),label3);
    gtk_box_pack_start(GTK_BOX(box),frame3,FALSE,FALSE,5);
    
    frame4 = gtk_frame_new("label4");
    label4 = gtk_label_new("forth label with a different change line way,if you wanna know check it");
    gtk_container_add(GTK_CONTAINER(frame4),label4);
    gtk_label_set_line_wrap(GTK_LABEL(label4),TRUE);
    gtk_box_pack_start(GTK_BOX(box),frame4,FALSE,FALSE,0);
    gtk_widget_show_all(window);
    gtk_main();
    return FALSE;
}