tk: Implement mouse button up event

5 files changed, 32 insertions, 7 deletions

diff --git a/src/tk/button.c b/src/tk/button.c
index 0db91a9..ffac9de 100644
--- a/src/tk/button.c
+++ b/src/tk/button.c
@@ -42,7 +42,9 @@ _mftk_button_layout(struct mftk_widget *w)
 }
 
 static int
-_mftk_button_event(struct mftk_widget *w, SDL_Event *e)
+_mftk_button_event(struct mftk_widget *w, SDL_Event *e,
+		int x __attribute__((__unused__)),
+		int y __attribute__((__unused__)))
 {
 	struct mftk_button *b = (struct mftk_button *) w;
 
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;
diff --git a/src/tk/label.c b/src/tk/label.c
index ec4400a..1fcfd84 100644
--- a/src/tk/label.c
+++ b/src/tk/label.c
@@ -37,7 +37,9 @@ _mftk_label_layout(struct mftk_widget *w __attribute__((__unused__)))
 
 static int
 _mftk_label_event(struct mftk_widget *w __attribute__((__unused__)),
-		SDL_Event *e __attribute__((__unused__)))
+		SDL_Event *e __attribute__((__unused__)),
+		int x __attribute__((__unused__)),
+		int y __attribute__((__unused__)))
 {
 	/* No events */
 	return 0;
diff --git a/src/tk/widget.c b/src/tk/widget.c
index 1bf9407..ea4835e 100644
--- a/src/tk/widget.c
+++ b/src/tk/widget.c
@@ -61,9 +61,9 @@ mftk_widget_layout(struct mftk_widget *w)
 }
 
 int
-mftk_widget_event(struct mftk_widget *w, SDL_Event *e)
+mftk_widget_event(struct mftk_widget *w, SDL_Event *e, int x, int y)
 {
-	return w->event(w, e);
+	return w->event(w, e, x, y);
 }
 
 int
diff --git a/src/tk/widget.h b/src/tk/widget.h
index ae81553..4966749 100644
--- a/src/tk/widget.h
+++ b/src/tk/widget.h
@@ -28,7 +28,7 @@ struct mftk_widget {
 	int    vis;
 	int    can_focus;
 	void (*layout)(struct mftk_widget *);
-	int  (*event)(struct mftk_widget *, SDL_Event *);
+	int  (*event)(struct mftk_widget *, SDL_Event *, int, int);
 	int  (*render)(struct mftk_widget *, SDL_Renderer *, int, int);
 	void (*destroy)(struct mftk_widget *);
 };