tk: Implement mouse button up event

1 files changed, 23 insertions, 2 deletions

diff --git a/src/tk/grid.c b/src/tk/grid.c
index 5994929..67fa677 100644
--- a/src/tk/grid.c
+++ b/src/tk/grid.c
@@ -79,12 +79,33 @@ _mftk_grid_layout(struct mftk_widget *w)
 }
 
 static int
-_mftk_grid_event(struct mftk_widget *w, SDL_Event *e)
+_mftk_grid_event(struct mftk_widget *w, SDL_Event *e, int x, int y)
 {
-	struct mftk_grid *g = (struct mftk_grid *) w;
+	struct mftk_grid   *g = (struct mftk_grid *) w;
+	SDL_Point           p;
+	SDL_Rect            rect;
+	int                 r;
+	int                 c;
+	struct mftk_widget *child;
 
 	switch (e->type) {
 		case SDL_MOUSEBUTTONUP:
+			p.x = e->button.x;
+			p.y = e->button.y;
+			for (r = 0; r < g->rows; ++r) {
+				for (c = 0; c < g->cols; ++c) {
+					child = g->children[r * g->cols + c];
+					rect.x = x + g->children_x[c];
+					rect.y = y + g->children_y[r];
+					rect.w = child->w;
+					rect.h = child->h;
+					if (SDL_PointInRect(&p, &rect)
+							== SDL_TRUE) {
+						return mftk_widget_event(child,
+								e, x, y);
+					}
+				}
+			}
 			break;
 		default:
 			break;