put everything in a class

Makefile

@@ -12,13 +12,13 @@ LIB_OBJ := $(LIB_SRC:.c=.o)
 
 .PHONY: all clean
 
-all: libwaymini.a example waymini
+all: libwaymini.a test waymini
 
 libwaymini.a: $(LIB_OBJ)
 	ar rcs $@ $^
 
-example: example.c libwaymini.a
-	$(CC) $(CFLAGS) -o $@ example.c -L. -lwaymini $(LDFLAGS)
+test: test.cpp libwaymini.a
+	g++ $(CFLAGS) -o $@ test.cpp -L. -lwaymini $(LDFLAGS)
 
 waymini: waymini_standalone.c waymini.c xdg-shell-client-protocol.c
 	$(CC) $(CFLAGS) -o $@ waymini_standalone.c waymini.c xdg-shell-client-protocol.c $(LDFLAGS)
@@ -27,7 +27,7 @@ waymini: waymini_standalone.c waymini.c xdg-shell-client-protocol.c
 	$(CC) $(CFLAGS) -c -o $@ $<
 
 clean:
-	rm -f $(LIB_OBJ) libwaymini.a example waymini
+	rm -f $(LIB_OBJ) libwaymini.a test waymini
 
 xdg-shell-client-protocol.c xdg-shell-client-protocol.h: gen-protocols.sh
 	bash gen-protocols.sh

test.cpp

@@ -0,0 +1,82 @@
+/* Example program that links against the waymini library.
+ * No external dependencies beyond waymini itself and the C standard library.
+ */
+
+#include "waymini.h"
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+static void on_key(void *user, uint32_t keycode, uint32_t state) {
+  (void)user;
+  const char *label = state ? "down" : "up  ";
+  printf("key %s: %u\n", label, keycode);
+  fflush(stdout);
+}
+
+namespace UwU {
+  class Draw {
+    public:
+      struct waymini* wm;
+      uint32_t width;
+      uint32_t height;
+      uint32_t stride;
+      uint8_t *pixels;
+      
+      Draw(uint32_t width, uint32_t height, waymini_key_cb on_key) {
+        this->wm = waymini_create(width, height, on_key, NULL);
+        if (!this->wm) exit(1);
+        
+        this->width = waymini_get_width(this->wm);
+        this->height = waymini_get_height(this->wm);
+        this->stride = waymini_get_stride(this->wm);
+        printf("surface: %ux%u stride=%u\n", this->width, this->height, this->stride);
+      
+        this->pixels = (uint8_t *)waymini_get_pixels(this->wm);
+        if (!this->pixels) {
+          waymini_destroy(this->wm);
+          exit(1);
+        }
+      }
+      
+      // Draw a rectangle (duh)
+      void rectangle(uint32_t x0, uint32_t y0, uint32_t x1, uint32_t y1, uint8_t r, uint8_t g, uint8_t b) {
+        return;
+      }
+
+      // Fill a simple gradient. Each row is stride bytes.
+      void rainbow() {
+        for (uint32_t y = 0; y < this->height; y++) {
+          for (uint32_t x = 0; x < this->width; x++) {
+            size_t i = (size_t)y * waymini_get_stride(this->wm) + (size_t)x * 4;
+            this->pixels[i + 0] = (uint8_t)(y * 255 / this->height);     /* B */
+            this->pixels[i + 1] = 0x00;                       /* G */
+            this->pixels[i + 2] = (uint8_t)(x * 255 / this->width);     /* R */
+            this->pixels[i + 3] = 0xFF;                       /* A (ignored for XRGB) */
+          }
+        }
+      }
+    };
+  }
+
+int main(void) {
+  uint32_t w = 800, h = 480;
+
+  // struct waymini *wm = waymini_create(w, h, on_key, NULL);
+  UwU::Draw draw = UwU::Draw(w, h, on_key);
+
+  draw.rainbow();
+
+  waymini_present(draw.wm);
+  draw.pixels[200001] = 255;
+
+  while (!waymini_should_close(draw.wm)) {
+    if (waymini_dispatch(draw.wm) < 0) break;
+  }
+
+  waymini_destroy(draw.wm);
+  return 0;
+}