Merge pull request #52 from greenfork/is-focused

Author: bakpakin

src/core.h

@@ -33,6 +33,12 @@ static Janet cfun_IsWindowMinimized(int32_t argc, Janet *argv) {
     return janet_wrap_boolean(IsWindowMinimized());
 }
 
+static Janet cfun_IsWindowFocused(int32_t argc, Janet *argv) {
+    (void) argv;
+    janet_fixarity(argc, 0);
+    return janet_wrap_boolean(IsWindowFocused());
+}
+
 static Janet cfun_IsWindowResized(int32_t argc, Janet *argv) {
     (void) argv;
     janet_fixarity(argc, 0);
@@ -930,6 +936,10 @@ static JanetReg core_cfuns[] = {
         "(window-minimized?)\n\n" 
         "Check if window is currently minimized"
     },
+    {"window-focused?", cfun_IsWindowFocused, 
+        "(window-focused?)\n\n" 
+        "Check if window is currently focused"
+    },
     {"window-resized?", cfun_IsWindowResized, 
         "(window-resized?)\n\n" 
         "Check if window has been resized last frame"