void
editcmd_dialog_select_definition_show (WEdit * edit, char *match_expr, int max_len, int word_len,
etags_hash_t * def_hash, int num_lines)
{
int start_x, start_y, offset, i;
char *curr = NULL;
etags_hash_t *curr_def = NULL;
WDialog *def_dlg;
WListbox *def_list;
int def_dlg_h; /* dialog height */
int def_dlg_w; /* dialog width */
(void) word_len;
/* calculate the dialog metrics */
def_dlg_h = num_lines + 2;
def_dlg_w = max_len + 4;
start_x = edit->curs_col + edit->start_col - (def_dlg_w / 2) +
EDIT_TEXT_HORIZONTAL_OFFSET + (edit->fullscreen ? 0 : 1) + option_line_state_width;
start_y = edit->curs_row + EDIT_TEXT_VERTICAL_OFFSET + (edit->fullscreen ? 0 : 1) + 1;
if (start_x < 0)
start_x = 0;
if (def_dlg_w > COLS)
def_dlg_w = COLS;
if (def_dlg_h > LINES - 2)
def_dlg_h = LINES - 2;
offset = start_x + def_dlg_w - COLS;
if (offset > 0)
start_x -= offset;
offset = start_y + def_dlg_h - LINES;
if (offset > 0)
start_y -= (offset + 1);
/* create the dialog */
def_dlg = dlg_create (TRUE, start_y, start_x, def_dlg_h, def_dlg_w, WPOS_KEEP_DEFAULT, TRUE,
dialog_colors, NULL, NULL, "[Definitions]", match_expr);
/* create the listbox */
def_list = listbox_new (1, 1, def_dlg_h - 2, def_dlg_w - 2, FALSE, NULL);
/* add the dialog */
add_widget (def_dlg, def_list);
/* fill the listbox with the completions */
for (i = 0; i < num_lines; i++)
{
char *label_def;
label_def =
g_strdup_printf ("%s -> %s:%ld", def_hash[i].short_define, def_hash[i].filename,
def_hash[i].line);
listbox_add_item (def_list, LISTBOX_APPEND_AT_END, 0, label_def, &def_hash[i], FALSE);
g_free (label_def);
}
/* pop up the dialog and apply the chosen completion */
if (dlg_run (def_dlg) == B_ENTER)
{
char *tmp_curr_def = (char *) curr_def;
int do_moveto = 0;
listbox_get_current (def_list, &curr, (void **) &tmp_curr_def);
curr_def = (etags_hash_t *) tmp_curr_def;
if (edit->modified)
{
if (!edit_query_dialog2
(_("Warning"),
_("Current text was modified without a file save.\n"
"Continue discards these changes."), _("C&ontinue"), _("&Cancel")))
{
edit->force |= REDRAW_COMPLETELY;
do_moveto = 1;
}
}
else
{
do_moveto = 1;
}
if (curr && do_moveto)
{
if (edit_stack_iterator + 1 < MAX_HISTORY_MOVETO)
{
vfs_path_free (edit_history_moveto[edit_stack_iterator].filename_vpath);
if (edit->dir_vpath != NULL)
{
edit_history_moveto[edit_stack_iterator].filename_vpath =
vfs_path_append_vpath_new (edit->dir_vpath, edit->filename_vpath, NULL);
}
else
{
edit_history_moveto[edit_stack_iterator].filename_vpath =
vfs_path_clone (edit->filename_vpath);
}
edit_history_moveto[edit_stack_iterator].line = edit->start_line +
edit->curs_row + 1;
edit_stack_iterator++;
vfs_path_free (edit_history_moveto[edit_stack_iterator].filename_vpath);
edit_history_moveto[edit_stack_iterator].filename_vpath =
vfs_path_from_str ((char *) curr_def->fullpath);
edit_history_moveto[edit_stack_iterator].line = curr_def->line;
edit_reload_line (edit, edit_history_moveto[edit_stack_iterator].filename_vpath,
edit_history_moveto[edit_stack_iterator].line);
}
}
}
/* clear definition hash */
for (i = 0; i < MAX_DEFINITIONS; i++)
{
g_free (def_hash[i].filename);
}
/* destroy dialog before return */
dlg_destroy (def_dlg);
}
/* Tries to raise file lock
Returns 1 on success, 0 on failure, -1 if abort
Warning: Might do screen refresh and lose edit->force */
int
edit_lock_file (char *fname)
{
char *lockfname, *newlock, *msg, *lock;
struct stat statbuf;
struct lock_s *lockinfo;
/* Just to be sure (and don't lock new file) */
if (!fname || !*fname)
return 0;
/* Locking on VFS is not supported */
if (!vfs_file_is_local (fname))
return 0;
/* Check if already locked */
lockfname = g_strconcat (".#", fname, NULL);
if (lstat (lockfname, &statbuf) == 0) {
lock = lock_get_info (lockfname);
if (!lock) {
g_free (lockfname);
return 0;
}
lockinfo = lock_extract_info (lock);
/* Check if locking process alive, ask user if required */
if (!lockinfo->pid
|| !(kill (lockinfo->pid, 0) == -1 && errno == ESRCH)) {
msg =
g_strdup_printf (_
("File \"%s\" is already being edited\n"
"User: %s\nProcess ID: %d"), fname,
lockinfo->who, lockinfo->pid);
/* TODO: Implement "Abort" - needs to rewind undo stack */
switch (edit_query_dialog2
(_("File locked"), msg, _("&Grab lock"),
_("&Ignore lock"))) {
case 0:
break;
case 1:
case -1:
g_free (lockfname);
g_free (msg);
return 0;
}
g_free (msg);
}
unlink (lockfname);
}
/* Create lock symlink */
newlock = lock_build_name (fname);
if (symlink (newlock, lockfname) == -1) {
g_free (lockfname);
g_free (newlock);
return 0;
}
g_free (lockfname);
g_free (newlock);
return 1;
}