summaryrefslogtreecommitdiff
path: root/buffer.c
diff options
context:
space:
mode:
Diffstat (limited to 'buffer.c')
-rw-r--r--buffer.c54
1 files changed, 28 insertions, 26 deletions
diff --git a/buffer.c b/buffer.c
index 7c468b8..776c9dd 100644
--- a/buffer.c
+++ b/buffer.c
@@ -1133,6 +1133,33 @@ i64 buffer_cursor_move_right_words(TextBuffer *buffer, i64 nwords) {
return ret;
}
+// Returns a string of word characters (see is_word) around the position,
+// or an empty string if neither of the characters to the left and right of the cursor are word characters.
+// NOTE: The string is invalidated when the buffer is changed!!!
+String32 buffer_word_at_pos(TextBuffer *buffer, BufferPos pos) {
+ buffer_pos_validate(buffer, &pos);
+ Line *line = &buffer->lines[pos.line];
+ char32_t *str = line->str;
+ i64 word_start, word_end;
+ for (word_start = pos.index; word_start > 0; --word_start) {
+ if (!is_word(str[word_start - 1]))
+ break;
+ }
+ for (word_end = pos.index; word_end < line->len; ++word_end) {
+ if (!is_word(str[word_end]))
+ break;
+ }
+ u32 len = (u32)(word_end - word_start);
+ if (len == 0)
+ return str32(NULL, 0);
+ else
+ return str32(str + word_start, len);
+}
+
+String32 buffer_word_at_cursor(TextBuffer *buffer) {
+ return buffer_word_at_pos(buffer, buffer->cursor_pos);
+}
+
// Returns the position corresponding to the start of the given line.
BufferPos buffer_pos_start_of_line(TextBuffer *buffer, u32 line) {
(void)buffer;
@@ -2087,37 +2114,12 @@ void buffer_render(TextBuffer *buffer, Rect r) {
buffer->x1 = x1; buffer->y1 = y1; buffer->x2 = x2; buffer->y2 = y2;
+
if (buffer->center_cursor_next_frame) {
buffer_center_cursor(buffer);
buffer->center_cursor_next_frame = false;
}
- // handle mouse clicks
- for (u32 i = 0; i < ted->nmouse_clicks[SDL_BUTTON_LEFT]; ++i) {
- v2 point = ted->mouse_clicks[SDL_BUTTON_LEFT][i];
- u8 times = ted->mouse_click_times[SDL_BUTTON_LEFT][i];
- BufferPos pos;
- if (buffer_pixels_to_pos(buffer, point, &pos)) {
- // user clicked on buffer
- if (!ted->menu)
- ted->active_buffer = buffer;
- if (buffer == ted->active_buffer) {
- buffer_cursor_move_to_pos(buffer, pos);
-
- switch ((times - 1) % 3) {
- case 0: break; // single-click
- case 1: // double-click: select word
- buffer_select_word(buffer);
- break;
- case 2: // triple-click: select line
- buffer_select_line(buffer);
- break;
- }
- ted->drag_buffer = buffer;
- }
- }
- }
-
if (rect_contains_point(rect4(x1, y1, x2, y2), ted->mouse_pos)) {
// scroll with mouse wheel
double scroll_speed = 2.5;