Files
puzzles/gtk.c
Simon Tatham a87bb05760 General further development. Sketched out the mid-end, added more
GTK code, rudiments of event passing.

[originally from svn r4141]
2004-04-25 20:15:22 +00:00

111 lines
2.5 KiB
C

/*
* gtk.c: GTK front end for my puzzle collection.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <gtk/gtk.h>
#include "puzzles.h"
/* ----------------------------------------------------------------------
* Error reporting functions used elsewhere.
*/
void fatal(char *fmt, ...)
{
va_list ap;
fprintf(stderr, "fatal error: ");
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
fprintf(stderr, "\n");
exit(1);
}
/* ----------------------------------------------------------------------
* GTK front end to puzzles.
*/
/*
* This structure holds all the data relevant to a single window.
* In principle this would allow us to open multiple independent
* puzzle windows, although I can't currently see any real point in
* doing so. I'm just coding cleanly because there's no
* particularly good reason not to.
*/
struct window_data {
GtkWidget *window;
GtkWidget *area;
midend_data *me;
};
static void destroy(GtkWidget *widget, gpointer data)
{
gtk_main_quit();
}
gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
{
struct window_data *wdata = (struct window_data *)data;
IGNORE(wdata);
if (!midend_process_key(wdata->me, 0, 0, event->keyval))
gtk_widget_destroy(wdata->window);
return TRUE;
}
gint button_event(GtkWidget *widget, GdkEventButton *event, gpointer data)
{
struct window_data *wdata = (struct window_data *)data;
IGNORE(wdata);
return TRUE;
}
static struct window_data *new_window(void)
{
struct window_data *wdata;
int x, y;
wdata = snew(struct window_data);
wdata->me = midend_new();
midend_new_game(wdata->me, NULL);
wdata->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
wdata->area = gtk_drawing_area_new();
midend_size(wdata->me, &x, &y);
gtk_drawing_area_size(GTK_DRAWING_AREA(wdata->area), x, y);
gtk_container_add(GTK_CONTAINER(wdata->window), wdata->area);
gtk_widget_show(wdata->area);
gtk_signal_connect(GTK_OBJECT(wdata->window), "destroy",
GTK_SIGNAL_FUNC(destroy), wdata);
gtk_signal_connect(GTK_OBJECT(wdata->window), "key_press_event",
GTK_SIGNAL_FUNC(key_event), wdata);
gtk_signal_connect(GTK_OBJECT(wdata->area), "button_press_event",
GTK_SIGNAL_FUNC(button_event), wdata);
gtk_widget_show(wdata->window);
return wdata;
}
int main(int argc, char **argv)
{
gtk_init(&argc, &argv);
(void) new_window();
gtk_main();
return 0;
}