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| -rw-r--r-- | mktrayicon.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/mktrayicon.c b/mktrayicon.c new file mode 100644 index 0000000..d19f80a --- /dev/null +++ b/mktrayicon.c @@ -0,0 +1,177 @@ +/* + * @author Jon Gjengset <jon@tsp.io> + * @see http://blog.sacaluta.com/2007/08/gtk-system-tray-icon-example.html + */ +#include <gtk/gtk.h> +#include <glib.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <pthread.h> +#include <sys/stat.h> + +GtkStatusIcon *icon; +char *onclick = NULL; + +void tray_icon_on_click(GtkStatusIcon *status_icon, + gpointer user_data) +{ + if (onclick != NULL && fork() == 0) { + execl("/bin/sh", "sh", "-c", onclick, (char *) NULL); + } +} + +void tray_icon_on_menu(GtkStatusIcon *status_icon, guint button, + guint activate_time, gpointer user_data) +{ + printf("Popup menu\n"); +} + +gboolean set_tooltip(gpointer data) +{ + char *p = (char*)data; + printf("Setting tooltip to '%s'\n", p); + gtk_status_icon_set_tooltip_text(icon, p); + return FALSE; +} + +gboolean set_icon(gpointer data) +{ + char *p = (char*)data; + printf("Setting icon to '%s'\n", p); + gtk_status_icon_set_from_icon_name(icon, p); + return FALSE; +} + +gboolean set_visible(gpointer data) +{ + gtk_status_icon_set_visible(icon, data == 0 ? FALSE : TRUE); + return FALSE; +} + +gboolean do_quit(gpointer data) +{ + gtk_main_quit(); + return FALSE; +} + +void *watch_fifo(void *argv) +{ + char *buf = malloc(1024*sizeof(char)); + char *param; + char *read; + size_t len; + char *fifo_path = (char*)argv; + FILE *fifo; + struct stat fifo_st; + + while (1) { + if (stat(fifo_path, &fifo_st) != 0) { + perror("FIFO does not exist, exiting\n"); + g_main_context_invoke(NULL, do_quit, fifo); + } + + fifo = fopen(fifo_path, "r"); + + if (fifo == NULL) { + perror("FIFO went away, exiting\n"); + g_main_context_invoke(NULL, do_quit, fifo); + } + + read = fgets(buf, 1024 * sizeof(char), fifo); + + if (read == NULL || *buf == '\n') { + fprintf(stderr, "No data in pipe - did you send a command?\n"); + continue; + } + + /* get rid of trailing newline */ + len = strlen(buf); + buf[len-1] = '\0'; + len -= 1; + + /* only read from this if you *know* there are more arguments */ + param = buf + 2; + + switch (*buf) { + case 'q': + g_main_context_invoke(NULL, do_quit, param); + break; + case 't': /* tooltip */ + g_main_context_invoke(NULL, set_tooltip, param); + break; + case 'i': /* icon */ + g_main_context_invoke(NULL, set_icon, param); + break; + case 'h': /* hide */ + g_main_context_invoke(NULL, set_visible, (void *)0); + break; + case 's': /* show */ + g_main_context_invoke(NULL, set_visible, (void *)1); + break; + case 'c': /* click */ + if (onclick != NULL) { + free(onclick); + onclick = NULL; + } + + if (len < 3) { + printf("Removing onclick handler\n"); + break; + } + + onclick = malloc((len-2+1) * sizeof(char)); + strncpy(onclick, param, len-2+1); + printf("Setting onclick handler to '%s'\n", onclick); + break; + case 'm': /* menu */ + fprintf(stderr, "Menu command not yet implemented\n"); + break; + default: + fprintf(stderr, "Unknown command: '%c'\n", *buf); + } + + gdk_flush(); + } + return NULL; +} + +static GtkStatusIcon *create_tray_icon(char *start_icon) +{ + GtkStatusIcon *tray_icon; + + tray_icon = gtk_status_icon_new_from_icon_name(start_icon); + g_signal_connect(G_OBJECT(tray_icon), "activate", + G_CALLBACK(tray_icon_on_click), NULL); + g_signal_connect(G_OBJECT(tray_icon), + "popup-menu", + G_CALLBACK(tray_icon_on_menu), NULL); + gtk_status_icon_set_visible(tray_icon, TRUE); + + return tray_icon; +} + +int main(int argc, char **argv) +{ + char *start_icon = "image-missing"; + char *app = argv[0]; + FILE *fifo; + pthread_t reader; + + gtk_init(&argc, &argv); + + if (argc == 4 && strcmp(argv[1], "-i") == 0) { + start_icon = argv[2]; + } + + if (argc == 1) { + /* usage */ + return 0; + } + + icon = create_tray_icon(start_icon); + pthread_create(&reader, NULL, watch_fifo, argv[argc-1]); + gtk_main(); + return 0; +} |