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turf.c
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turf.c
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/* See LICENSE file for copyright and license details.
*/
#undef GTK_DISABLE_SINGLE_INCLUDES
#include <string.h>
#include <stdlib.h>
#include <stdbool.h>
#include <gtk/gtk.h>
#include <gtk/gtkgl.h>
#include <gdk/gdkx.h>
#include <gdk/gdk.h>
#include <libgen.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <include/capi/cef_app_capi.h>
#include "arg.h"
char *argv0;
enum { AtomFind, AtomGo, AtomUri, AtomLast };
typedef union Arg Arg;
union Arg {
gboolean b;
gint i;
const void *v;
};
typedef struct Client {
GtkWidget *win, *vbox;
char *title;
struct Client *next;
const char *uri;
} Client;
static Display *dpy;
static Atom atoms[AtomLast];
static Client *clients = NULL;
static gboolean showxid = FALSE;
static GdkNativeWindow embed = 0;
static void cleanup(void);
static void destroyclient(Client *c);
static void destroywin(GtkWidget *w, Client *c);
static void die(const char *errstr, ...);
static void loaduri(Client *c, Arg *arg);
static void sigchld(int unused);
static void usage(void);
void
cleanup(void) {
while(clients)
destroyclient(clients);
}
void
destroyclient(Client *c) {
Client *p;
gtk_widget_destroy(c->win);
for(p = clients; p && p->next != c; p = p->next);
if(p) {
p->next = c->next;
} else {
clients = c->next;
}
free(c);
if(clients == NULL)
gtk_main_quit();
}
void
destroywin(GtkWidget *w, Client *c) {
destroyclient(c);
}
void
die(const char *errstr, ...) {
va_list ap;
va_start(ap, errstr);
vfprintf(stderr, errstr, ap);
va_end(ap);
exit(EXIT_FAILURE);
}
void
loaduri(Client *c, Arg *arg) {
}
void
sigchld(int unused) {
if(signal(SIGCHLD, sigchld) == SIG_ERR)
die("Can't install SIGCHLD handler");
while(0 < waitpid(-1, NULL, WNOHANG));
}
void
usage(void) {
die("usage: %s [-vx] [-e xid] [uri]\n", basename(argv0));
}
int
main(int argc, char *argv[]) {
Arg arg;
Client *c;
GdkGeometry hints = { 1, 1 };
memset(&arg, 0, sizeof(arg));
/* command line args */
ARGBEGIN {
case 'e':
embed = strtol(EARGF(usage()), NULL, 0);
break;
case 'v':
die("turf-"VERSION", ©2014 turf engineers, "
"see LICENSE for details\n");
case 'x':
showxid = TRUE;
break;
default:
usage();
} ARGEND;
if(argc > 0)
arg.v = argv[0];
sigchld(0);
gtk_init(NULL, NULL);
gtk_gl_init(NULL, NULL);
dpy = GDK_DISPLAY();
/* atoms */
atoms[AtomFind] = XInternAtom(dpy, "_TURF_FIND", False);
atoms[AtomGo] = XInternAtom(dpy, "_TURF_GO", False);
atoms[AtomUri] = XInternAtom(dpy, "_TURF_URI", False);
if(!(c = calloc(1, sizeof(Client))))
die("Cannot malloc!\n");
/* WIndow */
if(embed) {
c->win = gtk_plug_new(embed);
} else {
c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_wmclass(GTK_WINDOW(c->win), "turf", "Turf");
gtk_window_set_role(GTK_WINDOW(c->win), "Turf");
}
gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
g_signal_connect(G_OBJECT(c->win),
"destroy",
G_CALLBACK(destroywin), c);
c->vbox = gtk_vbox_new(FALSE, 0);
/* cef init */
cef_settings_t *settings;
if(!(settings = malloc(sizeof(cef_settings_t))))
die("Cannot malloc\n");
cef_initialize(NULL, settings, NULL);
/* cef set as child (vbox) */
gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
gtk_widget_show_all(GTK_WIDGET(c->win));
gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints,
GDK_HINT_MIN_SIZE);
gdk_window_set_events(GTK_WIDGET(c->win)->window, GDK_ALL_EVENTS_MASK);
/* process X events for window - aka AtomFind/AtomGo
* gdk_window_add_filter(GTK_WIDGET(c->win)->window, processx, c);
* setatom(c, AtomFind, "");
* setatom(c, AtomUri, "about:blank");
*/
c->title = NULL;
c->next = clients;
clients = c;
if(showxid) {
gdk_display_sync(gtk_widget_get_display(c->win));
printf("%u\n",
(guint)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
fflush(NULL);
if (fclose(stdout) != 0) {
die("Error closing stdout");
}
}
if(arg.v)
loaduri(clients, &arg);
gtk_main();
cleanup();
return EXIT_SUCCESS;
}