#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/select.h>
+#include <sys/inotify.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
typedef struct sGuiContext
{
int manager;
+ int autohide;
Device *devices;
+ GtkWidget *window;
GtkWidget *list;
GtkWidget *button;
char *post_mount_command;
+ int inotify_fd;
+ int dev_wd;
+ GIOChannel *inotify_channel;
+ int refresh_pending;
} GuiContext;
int verbosity = 0;
return n_listed;
}
+/**
+Handles an automatic refresh of the device list in response to inotify events.
+*/
+gboolean refresh_devices_idle(gpointer data)
+{
+ GuiContext *context = (GuiContext *)data;
+ int n_listed;
+
+ n_listed = refresh_devices(context, -1);
+ context->refresh_pending = 0;
+
+ if(context->autohide)
+ {
+ if(n_listed)
+ gtk_widget_show_all(context->window);
+ else
+ gtk_widget_hide(context->window);
+ }
+
+ return FALSE;
+}
+
/**
Callback for selection in the device list changing. Updates the action button
label according to device status.
return FALSE;
}
+/**
+Callback for inotify events.
+*/
+gboolean inotify_event_available(GIOChannel *source, GIOCondition condition, gpointer user_data)
+{
+ GuiContext *context = (GuiContext *)user_data;
+ int fd;
+ char eventbuf[sizeof(struct inotify_event)+NAME_MAX+1];
+ int len;
+
+ fd = g_io_channel_unix_get_fd(source);
+ len = read(fd, eventbuf, sizeof(eventbuf));
+ if(len>=(int)sizeof(struct inotify_event))
+ {
+ if(!context->refresh_pending)
+ {
+ g_timeout_add(500, &refresh_devices_idle, context);
+ context->refresh_pending = 1;
+ }
+ }
+
+ (void)condition;
+
+ return TRUE;
+}
+
void show_help(void)
{
printf("pmount-gui\n"
" -u Unmount a device (default is mount)\n"
" -r Run a command after mounting\n"
" -m Start a persistent mount manager\n"
+ " -M Like -m, but hide the window if there are no devices\n"
" -h Display this help\n");
}
int main(int argc, char **argv)
{
GuiContext context;
- GtkWidget *window;
GtkWidget *box;
GtkWidget *viewport;
GtkListStore *store;
int n_listed;
context.manager = 0;
+ context.autohide = 0;
context.devices = NULL;
context.post_mount_command = NULL;
+ context.inotify_fd = -1;
+ context.dev_wd = -1;
+ context.inotify_channel = NULL;
+ context.refresh_pending = 0;
gtk_init(&argc, &argv);
- while((opt = getopt(argc, argv, "vur:mh"))!=-1) switch(opt)
+ while((opt = getopt(argc, argv, "vur:mMh"))!=-1) switch(opt)
{
case 'v':
++verbosity;
break;
case 'm':
context.manager = 1;
+ context.autohide = 0;
+ break;
+ case 'M':
+ context.manager = 1;
+ context.autohide = 1;
break;
case 'h':
show_help();
return 0;
}
- window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
- gtk_container_set_border_width(GTK_CONTAINER(window), 5);
- g_signal_connect(window, "destroy", G_CALLBACK(>k_main_quit), NULL);
- g_signal_connect(window, "key-press-event", G_CALLBACK(&key_press), NULL);
+ context.window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+ gtk_container_set_border_width(GTK_CONTAINER(context.window), 5);
+ g_signal_connect(context.window, "destroy", G_CALLBACK(>k_main_quit), NULL);
+ g_signal_connect(context.window, "key-press-event", G_CALLBACK(&key_press), NULL);
box = gtk_vbox_new(FALSE, 5);
- gtk_container_add(GTK_CONTAINER(window), box);
+ gtk_container_add(GTK_CONTAINER(context.window), box);
viewport = gtk_viewport_new(NULL, NULL);
gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_IN);
gtk_tree_view_column_add_attribute(mounted_column, mount_point_renderer, "text", 3);
gtk_tree_view_insert_column(GTK_TREE_VIEW(context.list), mounted_column, -1);
+
+ context.inotify_fd = inotify_init();
+ if(context.inotify_fd>=0)
+ {
+ context.dev_wd = inotify_add_watch(context.inotify_fd, "/dev/disk/by-id", IN_CREATE|IN_DELETE);
+
+ context.inotify_channel = g_io_channel_unix_new(context.inotify_fd);
+ g_io_add_watch(context.inotify_channel, G_IO_IN, &inotify_event_available, &context);
+ }
+ else
+ printf("Warning: Unable to initialize inotify\n");
+
+ umount = -1;
}
selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(context.list));
n_listed = refresh_devices(&context, umount);
- if(n_listed || context.manager)
- gtk_widget_show_all(window);
- else
+ if(n_listed || (context.manager && !context.autohide))
+ gtk_widget_show_all(context.window);
+ else if(!context.manager)
{
GtkWidget *dialog;
gtk_main();
free_devices(context.devices);
+ if(context.inotify_fd>=0)
+ close(context.inotify_fd);
return 0;
}