4 files changed, 49 insertions, 12 deletions

diff --git a/include/saffron_api.h b/include/saffron_api.h
index a993ae6..c2e6c9c 100644
--- a/include/saffron_api.h
+++ b/include/saffron_api.h
@@ -16,5 +16,6 @@ SaffronWindow* saffron_window_new(const char* title, int w, int h);
 void saffron_window_free(SaffronWindow* window);
 void saffron_window_show(SaffronWindow* window);
 void saffron_window_main(SaffronWindow* window);
+SaffronWidget* saffron_widget_hit_test(SaffronWidget* widget, int x, int y);
 
 #endif
diff --git a/src/saffron_widget.c b/src/saffron_widget.c
index 85b2013..932b7a5 100644
--- a/src/saffron_widget.c
+++ b/src/saffron_widget.c
@@ -1,8 +1,7 @@
 #include <SDL3/SDL.h>
+#include <stdio.h>
 #include <stdlib.h>
-#include <saffron_widget.h>
-#include <saffron_api.h>
-#include <saffron_window.h>
+#include <saffron.h>
 
 SaffronWidget* saffron_widget_new(void) {
 	/* This function is a generic primitive for creating widgets. You wouldn't want to do this manually unless you're a lunatic. It is meant to be wrapped around by other functions that change the default parameters, for example, what sane person makes a widget 0x0x0x0? you LUNATIC! */
@@ -57,3 +56,26 @@ void saffron_widget_add_child(SaffronWidget *parent, SaffronWidget *child) {
 	parent->child_count++;
 }
 
+SaffronWidget* saffron_widget_hit_test(SaffronWidget* widget, int x, int y) {
+	if (!widget) {
+		printf("[saffron] hit test: widget is NULL!\n");
+		return NULL;
+	}
+	if (x < widget->x || x > widget->x + widget->w) {
+		printf("[saffron] hit test: widget failed X bounds check!\n");
+		return NULL;
+	}
+	if (y < widget->y || y > widget->y + widget->h) {
+		printf("[saffron] hit test: widget failed Y bounds check!\n");
+		return NULL;
+	}
+
+	// check children front to back
+	for (int i = widget->child_count - 1; i >= 0; i--) {
+		printf("[saffron] recursing to child (%i)\n", i);
+		SaffronWidget* hit = saffron_widget_hit_test(widget->children[i], x, y);
+		if (hit) return hit;
+	}
+
+	return widget;
+}
diff --git a/src/saffron_window.c b/src/saffron_window.c
index 4bdae76..a25fa0e 100644
--- a/src/saffron_window.c
+++ b/src/saffron_window.c
@@ -1,17 +1,16 @@
+#include <stdio.h>
 #include <SDL3/SDL_events.h>
 #include <stdlib.h>
 #include <SDL3/SDL.h>
 #include <SDL3_ttf/SDL_ttf.h>
-#include <saffron_api.h>
-#include <saffron_widget.h>
-#include <saffron_window.h>
+#include <saffron.h>
 
 SaffronWindow* saffron_window_new(const char* title, int w, int h) {
 	SaffronWindow* window = malloc(sizeof(SaffronWindow));
 	window->root = saffron_widget_new(); // frick, need to implement this.
 	window->title = title;
-	window->w = w;
-	window->h = h;
+	window->w = window->root->w = w;
+	window->h = window->root->h = h;
 	window->sdl_window = SDL_CreateWindow(title, w, h, SDL_WINDOW_RESIZABLE);
 	window->renderer = SDL_CreateRenderer(window->sdl_window, NULL);
 	return window;
@@ -35,7 +34,15 @@ void saffron_window_main(SaffronWindow *window) {
 			if (event.type == SDL_EVENT_QUIT) {
 				running = false;
 			}
-			// TODO: send events to widgets and stuff
+			if (event.type == SDL_EVENT_MOUSE_BUTTON_DOWN) {
+				printf("[saffron] mouse down!\n");
+				if (event.button.button == SDL_BUTTON_LEFT) {
+					printf("[saffron] left click at %f, %f!\n", event.button.x, event.button.y);
+					printf("[saffron] calling hit test at coordinates\n");
+					SaffronWidget* hit = saffron_widget_hit_test(window->root, (int)event.button.x, (int)event.button.y);
+					if (hit && hit->on_click) hit->on_click(hit);
+				}
+			}
 		}
 
 		SDL_SetRenderDrawColor(window->renderer, 0, 0, 0, 255);
diff --git a/tests/test_main.c b/tests/test_main.c
index c171192..5bef6d5 100644
--- a/tests/test_main.c
+++ b/tests/test_main.c
@@ -1,10 +1,10 @@
+#include <stdio.h>
+#include <saffron.h>
 #include <SDL3/SDL.h>
-#include <saffron_api.h>
 #include <SDL3/SDL_rect.h>
 #include <SDL3/SDL_render.h>
-#include <saffron.h>
 
-/* PLEASE don't do this in production
+/* PLEASE don't do this in production!
  * when wrappers are implemented,
  * THEY will make draw functions for you
  * THIS IS A BAD IDEA */
@@ -17,6 +17,12 @@ void my_test_draw(SaffronWidget* self, SDL_Renderer* renderer) {
 	SDL_RenderRect(renderer, &rect);
 }
 
+/* YET AGAIN DONT DO THIS IN PROD PLEASE
+ * this is very lunatic */
+void my_test_onclick(SaffronWidget* self) {
+	printf("clicked!\n");
+}
+
 int main(void) {
 	saffron_init();
 
@@ -30,6 +36,7 @@ int main(void) {
 	test->w = 200;
 	test->h = 150;
 	test->draw = my_test_draw;
+	test->on_click = my_test_onclick;
 
 	/* lunatic method 2 */
 	SaffronWidget* test2 = saffron_widget_new();