mirror of
https://github.com/thead-yocto-mirror/gfx-examples
synced 2026-06-21 08:52:37 +02:00
66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/*
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* Copyright © Jan Newmarch, jan@newmarch.name
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* https://jan.newmarch.name/Wayland/GTK/
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*/
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#include <gtk-3.0/gtk/gtk.h>
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gint count = 0;
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char buf[5];
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void increase(GtkWidget *widget, gpointer label) {
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count++;
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sprintf(buf, "%d", count);
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gtk_label_set_text(GTK_LABEL(label), buf);
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}
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void decrease(GtkWidget *widget, gpointer label) {
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count--;
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sprintf(buf, "%d", count);
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gtk_label_set_text(GTK_LABEL(label), buf);
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}
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int main(int argc, char **argv) {
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GtkWidget *label;
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GtkWidget *window;
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GtkWidget *frame;
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GtkWidget *plus;
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GtkWidget *minus;
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gtk_init(&argc, &argv);
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window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
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gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER_ALWAYS);
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gtk_window_set_default_size(GTK_WINDOW(window), 250, 180);
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gtk_window_set_title(GTK_WINDOW(window), "+-");
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frame = gtk_fixed_new();
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gtk_container_add(GTK_CONTAINER(window), frame);
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plus = gtk_button_new_with_label("+");
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gtk_widget_set_size_request(plus, 80, 35);
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gtk_fixed_put(GTK_FIXED(frame), plus, 50, 20);
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minus = gtk_button_new_with_label("-");
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gtk_widget_set_size_request(minus, 80, 35);
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gtk_fixed_put(GTK_FIXED(frame), minus, 50, 80);
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label = gtk_label_new("0");
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gtk_fixed_put(GTK_FIXED(frame), label, 190, 58);
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gtk_widget_show_all(window);
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g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
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g_signal_connect(plus, "clicked", G_CALLBACK(increase), label);
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g_signal_connect(minus, "clicked", G_CALLBACK(decrease), label);
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gtk_main();
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return 0;
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}
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