diff options
| -rw-r--r-- | buffer.c | 34 | ||||
| -rw-r--r-- | util.c | 2 |
2 files changed, 19 insertions, 17 deletions
@@ -1840,6 +1840,22 @@ void buffer_redo(TextBuffer *buffer, i64 ntimes) { } } +// if you do: +// buffer_start_edit_chain(buffer) +// buffer_insert_text_at_pos(buffer, some position, "text1") +// buffer_insert_text_at_pos(buffer, another position, "text2") +// buffer_end_edit_chain(buffer) +// pressing ctrl+z will undo both the insertion of text1 and text2. +void buffer_start_edit_chain(TextBuffer *buffer) { + assert(!buffer->chaining_edits); + assert(!buffer->will_chain_edits); + buffer->will_chain_edits = true; +} + +void buffer_end_edit_chain(TextBuffer *buffer) { + buffer->chaining_edits = buffer->will_chain_edits = false; +} + void buffer_copy_or_cut(TextBuffer *buffer, bool cut) { if (buffer->selection) { BufferPos pos1 = buffer_pos_min(buffer->selection_pos, buffer->cursor_pos); @@ -1875,7 +1891,9 @@ void buffer_paste(TextBuffer *buffer) { if (text) { String32 str = str32_from_utf8(text); if (str.len) { + buffer_start_edit_chain(buffer); buffer_insert_text_at_cursor(buffer, str); + buffer_end_edit_chain(buffer); str32_free(&str); } SDL_free(text); @@ -2451,22 +2469,6 @@ void buffer_render(TextBuffer *buffer, Rect r) { } -// if you do: -// buffer_start_edit_chain(buffer) -// buffer_insert_text_at_pos(buffer, some position, "text1") -// buffer_insert_text_at_pos(buffer, another position, "text2") -// buffer_end_edit_chain(buffer) -// pressing ctrl+z will undo both the insertion of text1 and text2. -void buffer_start_edit_chain(TextBuffer *buffer) { - assert(!buffer->chaining_edits); - assert(!buffer->will_chain_edits); - buffer->will_chain_edits = true; -} - -void buffer_end_edit_chain(TextBuffer *buffer) { - buffer->chaining_edits = buffer->will_chain_edits = false; -} - void buffer_indent_lines(TextBuffer *buffer, u32 first_line, u32 last_line) { assert(first_line <= last_line); buffer_start_edit_chain(buffer); @@ -26,7 +26,7 @@ static u8 util_count_leading_zeroes32(u32 x) { #if UINT_MAX == 4294967295 return (u8)__builtin_clz(x); #else - #error "unsigned int isn't 32 bits. this function needs fixing to work on sytems like yours." + #error "unsigned int isn't 32 bits. this function needs fixing to work on systems like yours." #endif #elif _WIN32 return (u8)__lzcnt(x); |