diff options
Diffstat (limited to 'vis.c')
| -rw-r--r-- | vis.c | 54 |
1 files changed, 41 insertions, 13 deletions
@@ -755,12 +755,18 @@ void vis_free(Vis *vis) { } void vis_insert(Vis *vis, size_t pos, const char *data, size_t len) { - text_insert(vis->win->file->text, pos, data, len); - vis_window_invalidate(vis->win); + Win *win = vis->win; + if (!win) + return; + text_insert(win->file->text, pos, data, len); + vis_window_invalidate(win); } void vis_insert_key(Vis *vis, const char *data, size_t len) { - for (Selection *s = view_selections(vis->win->view); s; s = view_selections_next(s)) { + Win *win = vis->win; + if (!win) + return; + for (Selection *s = view_selections(win->view); s; s = view_selections_next(s)) { size_t pos = view_cursors_pos(s); vis_insert(vis, pos, data, len); view_cursors_scroll_to(s, pos + len); @@ -768,7 +774,10 @@ void vis_insert_key(Vis *vis, const char *data, size_t len) { } void vis_replace(Vis *vis, size_t pos, const char *data, size_t len) { - Text *txt = vis->win->file->text; + Win *win = vis->win; + if (!win) + return; + Text *txt = win->file->text; Iterator it = text_iterator_get(txt, pos); int chars = text_char_count(data, len); for (char c; chars-- > 0 && text_iterator_byte_get(&it, &c) && c != '\n'; ) @@ -779,7 +788,10 @@ void vis_replace(Vis *vis, size_t pos, const char *data, size_t len) { } void vis_replace_key(Vis *vis, const char *data, size_t len) { - for (Selection *s = view_selections(vis->win->view); s; s = view_selections_next(s)) { + Win *win = vis->win; + if (!win) + return; + for (Selection *s = view_selections(win->view); s; s = view_selections_next(s)) { size_t pos = view_cursors_pos(s); vis_replace(vis, pos, data, len); view_cursors_scroll_to(s, pos + len); @@ -787,8 +799,11 @@ void vis_replace_key(Vis *vis, const char *data, size_t len) { } void vis_delete(Vis *vis, size_t pos, size_t len) { - text_delete(vis->win->file->text, pos, len); - vis_window_invalidate(vis->win); + Win *win = vis->win; + if (!win) + return; + text_delete(win->file->text, pos, len); + vis_window_invalidate(win); } bool vis_action_register(Vis *vis, const KeyAction *action) { @@ -813,6 +828,8 @@ bool vis_interrupt_requested(Vis *vis) { void vis_do(Vis *vis) { Win *win = vis->win; + if (!win) + return; File *file = win->file; Text *txt = file->text; View *view = win->view; @@ -1497,7 +1514,9 @@ bool vis_macro_replay(Vis *vis, enum VisRegister id) { vis_cancel(vis); for (int i = 0; i < count; i++) macro_replay(vis, macro); - vis_file_snapshot(vis, vis->win->file); + Win *win = vis->win; + if (win) + vis_file_snapshot(vis, win->file); return true; } @@ -1526,7 +1545,9 @@ void vis_repeat(Vis *vis) { vis->action_prev = action_prev; } vis_cancel(vis); - vis_file_snapshot(vis, vis->win->file); + Win *win = vis->win; + if (win) + vis_file_snapshot(vis, win->file); } int vis_count_get(Vis *vis) { @@ -1571,15 +1592,18 @@ void vis_exit(Vis *vis, int status) { } void vis_insert_tab(Vis *vis) { + Win *win = vis->win; + if (!win) + return; if (!vis->expandtab) { vis_insert_key(vis, "\t", 1); return; } char spaces[9]; int tabwidth = MIN(vis->tabwidth, LENGTH(spaces) - 1); - for (Selection *s = view_selections(vis->win->view); s; s = view_selections_next(s)) { + for (Selection *s = view_selections(win->view); s; s = view_selections_next(s)) { size_t pos = view_cursors_pos(s); - int width = text_line_width_get(vis->win->file->text, pos); + int width = text_line_width_get(win->file->text, pos); int count = tabwidth - (width % tabwidth); for (int i = 0; i < count; i++) spaces[i] = ' '; @@ -1630,6 +1654,8 @@ size_t vis_text_insert_nl(Vis *vis, Text *txt, size_t pos) { void vis_insert_nl(Vis *vis) { Win *win = vis->win; + if (!win) + return; View *view = win->view; Text *txt = win->file->text; for (Selection *s = view_selections(view); s; s = view_selections_next(s)) { @@ -1936,11 +1962,13 @@ void vis_file_snapshot(Vis *vis, File *file) { } Text *vis_text(Vis *vis) { - return vis->win->file->text; + Win *win = vis->win; + return win ? win->file->text : NULL; } View *vis_view(Vis *vis) { - return vis->win->view; + Win *win = vis->win; + return win ? win->view : NULL; } Win *vis_window(Vis *vis) { |