diff options
Diffstat (limited to 'buffer.c')
| -rw-r--r-- | buffer.c | 35 |
1 files changed, 23 insertions, 12 deletions
@@ -2437,17 +2437,6 @@ void buffer_render(TextBuffer *buffer, Rect r) { text_render(font); if (ted->active_buffer == buffer) { - // render cursor - float time_on = settings->cursor_blink_time_on; - float time_off = settings->cursor_blink_time_off; - bool is_on = true; - if (time_off > 0) { - double absolute_time = time_get_seconds(); - float period = time_on + time_off; - // time in period - double t = fmod(absolute_time, period); - is_on = t < time_on; // are we in the "on" part of the period? - } // highlight matching brackets char32_t cursor_bracket = buffer_char_before_cursor(buffer); @@ -2477,11 +2466,33 @@ void buffer_render(TextBuffer *buffer, Rect r) { } } + // render cursor + float time_on = settings->cursor_blink_time_on; + float time_off = settings->cursor_blink_time_off; + double error_animation_duration = 1.0; + double error_animation_dt = time_get_seconds() - ted->cursor_error_time; + bool error_animation = ted->cursor_error_time > 0 && error_animation_dt < error_animation_duration; + + bool is_on = true; + if (!error_animation && time_off > 0) { + double absolute_time = time_get_seconds(); + float period = time_on + time_off; + // time in period + double t = fmod(absolute_time, period); + is_on = t < time_on; // are we in the "on" part of the period? + } if (is_on) { if (buffer_clip_rect(buffer, &cursor_rect)) { // draw cursor - gl_geometry_rect(cursor_rect, colors[buffer->view_only ? COLOR_VIEW_ONLY_CURSOR : COLOR_CURSOR]); + u32 color = colors[COLOR_CURSOR]; + if (buffer->view_only) + color = colors[COLOR_VIEW_ONLY_CURSOR]; + if (error_animation) { + color = color_interpolate(maxf(0, 2 * ((float)(error_animation_dt / error_animation_duration) - 0.5f)), colors[COLOR_CURSOR_ERROR], colors[COLOR_CURSOR]); + } + + gl_geometry_rect(cursor_rect, color); } } gl_geometry_draw(); |