1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465 |
- /*
- * Copyright © Jan Newmarch, jan@newmarch.name
- * https://jan.newmarch.name/Wayland/GTK/
- */
- #include <gtk-3.0/gtk/gtk.h>
- gint count = 0;
- char buf[5];
- void increase(GtkWidget *widget, gpointer label) {
- count++;
- sprintf(buf, "%d", count);
- gtk_label_set_text(GTK_LABEL(label), buf);
- }
- void decrease(GtkWidget *widget, gpointer label) {
- count--;
- sprintf(buf, "%d", count);
- gtk_label_set_text(GTK_LABEL(label), buf);
- }
- int main(int argc, char **argv) {
- GtkWidget *label;
- GtkWidget *window;
- GtkWidget *frame;
- GtkWidget *plus;
- GtkWidget *minus;
- gtk_init(&argc, &argv);
- window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
- gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER_ALWAYS);
- gtk_window_set_default_size(GTK_WINDOW(window), 250, 180);
- gtk_window_set_title(GTK_WINDOW(window), "+-");
- 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, 80);
- label = gtk_label_new("0");
- gtk_fixed_put(GTK_FIXED(frame), label, 190, 58);
- gtk_widget_show_all(window);
- g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
- g_signal_connect(plus, "clicked", G_CALLBACK(increase), label);
- g_signal_connect(minus, "clicked", G_CALLBACK(decrease), label);
- gtk_main();
- return 0;
- }
|