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#include <stdlib.h>
#include <gtk/gtk.h>
struct apk_window {
GtkWidget *mainwin;
GtkWidget *vbox;
GtkWidget *progress;
GtkWidget *buttonbox;
GtkWidget *button;
};
static gboolean progress_io_cb(GIOChannel *io, GIOCondition condition, gpointer data)
{
GtkWidget *progress = data;
GError *err = NULL;
gchar *buf;
gsize len;
GIOStatus status;
status = g_io_channel_read_line(io, &buf, &len, NULL, &err);
if (buf != NULL) {
float done, total;
if (sscanf(buf, "%f/%f", &done, &total) == 2)
gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress), done/total);
g_free(buf);
}
return TRUE;
}
struct apk_window win;
struct apk_window *win_init(int progress_fd)
{
GIOChannel *io;
win.mainwin = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_container_set_border_width(GTK_CONTAINER(win.mainwin), 10);
g_signal_connect(win.mainwin, "destroy", G_CALLBACK(gtk_main_quit), NULL);
win.vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 10);
win.progress = gtk_progress_bar_new();
gtk_widget_set_size_request(win.progress, 300, -1);
gtk_box_pack_start(GTK_BOX(win.vbox), win.progress, FALSE, FALSE, 0);
gtk_widget_show(win.progress);
win.buttonbox = gtk_button_box_new(GTK_ORIENTATION_HORIZONTAL);
win.button = gtk_button_new_with_label("Close");
gtk_widget_set_sensitive(win.button, FALSE);
gtk_box_pack_start(GTK_BOX(win.buttonbox), win.button, FALSE, FALSE, 0);
g_signal_connect(win.button, "clicked", G_CALLBACK(gtk_main_quit), NULL);
gtk_box_pack_start(GTK_BOX(win.vbox), win.buttonbox, FALSE, FALSE, 0);
gtk_widget_show(win.buttonbox);
gtk_widget_show(win.button);
gtk_container_add(GTK_CONTAINER(win.mainwin), win.vbox);
gtk_widget_show(win.vbox);
gtk_widget_show(win.mainwin);
io = g_io_channel_unix_new(progress_fd);
g_printf("watching fd %i\n", progress_fd);
g_io_add_watch(io, G_IO_IN, progress_io_cb, win.progress);
return &win;
}
void child_setup(gpointer data)
{
int *fd = (int *)data;
close(*fd);
}
void child_watch_cb(GPid pid, gint status, gpointer data)
{
struct apk_window *win = (struct apk_window *)data;
gtk_widget_set_sensitive(win->button, TRUE);
g_spawn_close_pid(pid);
}
int main(int argc, char *argv[])
{
char **apk_argv;
int progress_pipe[2];
int i, n = 0;
char fd_str[32];
GError *err = NULL;
GPid child_pid;
gtk_init(&argc, &argv);
if (pipe(progress_pipe) < 0)
return 1;
apk_argv = g_malloc(sizeof(char *) * (argc + 4));
if (argv == NULL)
return 2;
apk_argv[n++] = "apk";
apk_argv[n++] = "--progress-fd";
snprintf(fd_str, sizeof(fd_str)-1, "%i", progress_pipe[1]);
apk_argv[n++] = fd_str;
apk_argv[n++] = "--no-progress";
for (i = 0; i< argc-1; i++)
apk_argv[i + n] = argv[i+1];
apk_argv[i + n] = NULL;
win_init(progress_pipe[0]);
g_spawn_async(NULL, apk_argv, NULL, G_SPAWN_LEAVE_DESCRIPTORS_OPEN
| G_SPAWN_SEARCH_PATH | G_SPAWN_CHILD_INHERITS_STDIN
| G_SPAWN_DO_NOT_REAP_CHILD, child_setup,
&progress_pipe[0], &child_pid, &err);
close(progress_pipe[1]);
g_child_watch_add(child_pid, child_watch_cb, &win);
gtk_main();
return 0;
}
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