2005-11-19 14:02:36 +01:00
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <libgnome/libgnome.h>
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#include <stdlib.h>
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#include "gm-external-view.h"
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2006-01-10 01:39:05 +01:00
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#include "gm-debug.h"
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#include "gm-app.h"
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#include "gm-options.h"
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2005-11-19 14:02:36 +01:00
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void on_gm_external_view_exited(GPid pid, gint status, GmExternalView *view);
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void on_gm_external_view_file_changed(GnomeVFSMonitorHandle *handle,
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const gchar *monitor_uri, const gchar *info_uri,
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GnomeVFSMonitorEventType event_type, GmExternalView *view);
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void
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gm_external_view_destroy(GmExternalView *view) {
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struct stat buf;
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if (view->monitor) {
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gnome_vfs_monitor_cancel(view->monitor);
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}
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g_source_remove(view->child_watch);
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g_spawn_close_pid(view->pid);
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if (GM_IS_EDITOR(view->editor)) {
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if (stat(view->filename, &buf) != -1) {
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if (buf.st_mtime > view->last_modified) {
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gm_editor_save(view->editor);
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}
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}
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}
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if (view->filename) {
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unlink(view->filename);
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g_free(view->filename);
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}
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}
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void
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gm_external_view_update_last_modified(GmExternalView *view) {
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struct stat buf;
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if (stat(view->filename, &buf) != -1) {
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view->last_modified = buf.st_mtime;
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}
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}
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gboolean
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gm_external_view_spawn(GmExternalView *view, gchar **argv) {
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GError *err = NULL;
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g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH |
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G_SPAWN_DO_NOT_REAP_CHILD, NULL, NULL, &(view->pid), &err);
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if (err) {
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gm_debug_msg(DEBUG_DEFAULT, "GmExternalView.Spawn: couldn't spawn "
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"editor: %s", err->message);
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g_error_free(err);
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return FALSE;
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} else {
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return TRUE;
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}
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}
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GmExternalView *
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gm_external_view_new(GmWorld *world, GmEditor *editor) {
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GmExternalView *obj = g_new0(GmExternalView, 1);
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gchar *spawn_command[4] = {NULL, NULL, NULL, NULL};
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gchar **av, *command;
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gint an;
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GmOptions *options = gm_app_options(gm_app_instance());
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obj->world = world;
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obj->editor = editor;
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obj->filename = gm_editor_write_lines(editor);
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gm_external_view_update_last_modified(obj);
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gnome_vfs_monitor_add(&(obj->monitor), obj->filename,
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GNOME_VFS_MONITOR_FILE,
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(GnomeVFSMonitorCallback)on_gm_external_view_file_changed, obj);
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command = g_strconcat(gm_options_get(options, "editor_alternative"),
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" ", obj->filename, NULL);
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if (gm_options_get_int(options, "editor_needs_terminal")) {
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spawn_command[0] = getenv("TERM");
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if (spawn_command[0] == NULL) {
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spawn_command[0] = "xterm";
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}
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spawn_command[1] = "-e";
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spawn_command[2] = command;
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gm_external_view_spawn(obj, spawn_command);
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} else {
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g_shell_parse_argv(command, &an, &av, NULL);
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gm_external_view_spawn(obj, av);
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}
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g_free(command);
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obj->child_watch = g_child_watch_add(obj->pid,
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(GChildWatchFunc)on_gm_external_view_exited, obj);
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return obj;
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}
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/* Callbacks */
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void
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on_gm_external_view_exited(GPid pid, gint status, GmExternalView *view) {
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gm_editor_close(view->editor);
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}
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void
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on_gm_external_view_file_changed(GnomeVFSMonitorHandle *handle,
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const gchar *monitor_uri, const gchar *info_uri,
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GnomeVFSMonitorEventType event_type, GmExternalView *view) {
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switch (event_type) {
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case GNOME_VFS_MONITOR_EVENT_CHANGED:
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case GNOME_VFS_MONITOR_EVENT_CREATED:
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gm_debug_msg(DEBUG_DEFAULT, "GmExternalView.OnFileChanged: "
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"change event detected!");
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gm_editor_set_lines_from_file(view->editor,
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view->filename);
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gm_editor_save(view->editor);
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gm_external_view_update_last_modified(view);
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break;
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default:
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break;
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}
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}
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