Enable drop file events

README.md

@@ -1,3 +1,3 @@
-# SDL Boilerplate
+# Compositor test
 
-Boilerplate for setting up a simple SDL program that creates a window and a renderer and handles the quit event.
+Test for building a basic node-based compositing application

include/window.h

@@ -10,6 +10,7 @@
 typedef struct point point_t;
 typedef struct line line_t;
 typedef struct triangle triangle_t;
+typedef struct rect rect_t;
 typedef struct window window_t;
 
 struct point {
@@ -28,6 +29,12 @@ struct triangle {
   point_t p2;
 };
 
+struct rect {
+  point_t topleft;
+  i32 w;
+  i32 h;
+};
+
 struct window {
   u64 width;
   u64 height;
@@ -52,5 +59,6 @@ void draw_point(const window_t *wnd, point_t p, colour_t colour);
 void draw_line(const window_t *wnd, const line_t *ln, colour_t colour);
 void draw_triangle(const window_t *wnd, const triangle_t *triangle,
                    colour_t colour);
+void draw_rect(const window_t *wnd, const rect_t *rect, colour_t colour);
 
 #endif // !WINDOW_H

src/compositor.c

@@ -36,6 +36,8 @@ i32 run_main_loop(void) {
 
   comp.running = true;
 
+  SDL_EventState(SDL_DROPFILE, SDL_ENABLE);
+
   colour_t bg_colour = {.abgr = 0xffffffff};
   colour_t fg_colour = {.abgr = 0xff000000};
 

src/window.c

@@ -1,7 +1,8 @@
 #include "window.h"
-#include "SDL_render.h"
-#include "SDL_video.h"
 #include "aliases/aliases.h"
+#include <SDL2/SDL_rect.h>
+#include <SDL2/SDL_render.h>
+#include <SDL2/SDL_video.h>
 #include <stdbool.h>
 
 bool init_window(window_t *wnd, const char *title, u64 width, u64 height) {
@@ -72,3 +73,11 @@ void draw_triangle(const window_t *wnd, const triangle_t *triangle,
   draw_line(wnd, &ln1, colour);
   draw_line(wnd, &ln2, colour);
 }
+
+void draw_rect(const window_t *wnd, const rect_t *rect, colour_t colour) {
+  set_colour(wnd, colour);
+
+  SDL_Rect dst = {rect->topleft.x, rect->topleft.y, rect->w, rect->h};
+
+  SDL_RenderDrawRect(wnd->renderer, &dst);
+}