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- #include "gtk/gtk.h"
- int count = 0;
- char buf[5];
- GdkPixbuf *create_pixbuf(const char * filename)
- {
- GdkPixbuf *pixbuf;
- GError *error = NULL;
- pixbuf = gdk_pixbuf_new_from_file(filename,&error);
- if(!pixbuf)
- {
- fprintf(stderr,"%s\n", error ->message);
- g_error_free(error);
- }
- return pixbuf;
- }
- void increase(GtkWidget *widget, GtkLabel *label)
- {
- count++;
- sprintf(buf,"%d",count);
- gtk_label_set_text(label,buf);
- }
- void decrease(GtkWidget *widget, GtkLabel *label)
- {
- count--;
- sprintf(buf,"%d",count);
- gtk_label_set_text(label,buf);
- }
- int main(int argc, char** argv)
- {
- GtkWidget *window;
- GtkWidget *label;
- GtkWidget *frame;
- GtkWidget *plus;
- GtkWidget *minus;
- gtk_init(&argc,&argv);
- window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
- gtk_window_set_default_size(GTK_WINDOW(window), 250, 400 );
- gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
- gtk_window_set_title(GTK_WINDOW(window), "Center");
- gtk_window_set_icon(GTK_WINDOW(window), create_pixbuf("penguin.png"));
- frame = gtk_fixed_new();
- gtk_container_add(GTK_CONTAINER(window), frame);
- plus = gtk_button_new_with_label("+");
- gtk_widget_set_size_request(plus,80,35);
- gtk_fixed_put(GTK_FIXED(frame), plus, 50, 20);
- minus = gtk_button_new_with_label("-");
- gtk_widget_set_size_request(minus,80,35);
- gtk_fixed_put(GTK_FIXED(frame), minus, 50, 50);
- label = gtk_label_new("0");
- gtk_fixed_put(GTK_FIXED(frame), label, 190, 58);
- gtk_widget_show_all(window);
- g_signal_connect(plus, "clicked", G_CALLBACK(increase), label);
- g_signal_connect(minus, "clicked", G_CALLBACK(decrease), label);
- g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
- gtk_main();
- return 0;
- }
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