commit e844a62d20ad98f76a9ea07a7553ca213717370f
parent 9f299b0cd42e436d4d9459f7bbd682b606f0fd64
Author: Alexey Kutepov <reximkut@gmail.com>
Date: Wed, 7 Jul 2021 16:51:42 +0700
Merge pull request #22 from nonvegan/master
(#18) Fix mouse coordinate mapping for opengl renderer
Diffstat:
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/src/main.c b/src/main.c
@@ -428,8 +428,20 @@ int main(int argc, char **argv)
break;
case SDL_MOUSEBUTTONDOWN: {
- // TODO(#18): mouse click is broken, because the coordinates need to be mapped differently
- // The feature was initially introduced in #14
+ const Vec2f mouse_pos = vec2f((float) event.button.x, (float) event.button.y);
+ switch(event.button.button) {
+ case SDL_BUTTON_LEFT: {
+ const Vec2f click_pos =
+ vec2f_add(mouse_pos, vec2f_sub(vec2f(camera_pos.x, -camera_pos.y + FONT_CHAR_HEIGHT * FONT_SCALE),
+ vec2f_mul(window_size(window), vec2fs(0.5f))));
+
+ if(click_pos.x > 0.0f && click_pos.y > 0.0f) {
+ editor.cursor_col = (size_t) floorf(click_pos.x / ((float) FONT_CHAR_WIDTH * FONT_SCALE));
+ editor.cursor_row = (size_t) floorf(click_pos.y / ((float) FONT_CHAR_HEIGHT * FONT_SCALE));
+ }
+ }
+ break;
+ }
}
break;
}
