From 661e24116757c6f0c85d401e0a0378ecf7ead360 Mon Sep 17 00:00:00 2001
From: Nikita Prokopov <niki@tonsky.me>
Date: Fri, 21 May 2021 00:05:23 +0200
Subject: [PATCH] WindowMac::move, WindowMac::resize

---
 examples/Example.java     |  3 +++
 macos/cc/WindowMac.hh     |  2 ++
 macos/cc/WindowMac.mm     | 27 ++++++++++++++++++++++++++-
 macos/java/WindowMac.java |  8 ++------
 4 files changed, 33 insertions(+), 7 deletions(-)

diff --git a/examples/Example.java b/examples/Example.java
index 4470f070..33975bd2 100644
--- a/examples/Example.java
+++ b/examples/Example.java
@@ -32,6 +32,9 @@ public Example() {
         _window = App.makeWindow();
         _window.setEventListener(this);
         changeLayer();
+        var scale = _window.getScale();
+        _window.move((int) (100 * scale), (int) (100 * scale));
+        _window.resize((int) (800 * scale), (int) (600 * scale));
         _window.show();
         _window.requestFrame();
     }
diff --git a/macos/cc/WindowMac.hh b/macos/cc/WindowMac.hh
index af1eff77..be2e6a3c 100644
--- a/macos/cc/WindowMac.hh
+++ b/macos/cc/WindowMac.hh
@@ -13,6 +13,8 @@ namespace jwm {
         void show();
         void reconfigure();
         float getScale() const;
+        void move(int left, int top);
+        void resize(int width, int height);
         void requestFrame();
         void close();
 
diff --git a/macos/cc/WindowMac.mm b/macos/cc/WindowMac.mm
index 41ff87fd..c0ae03ee 100644
--- a/macos/cc/WindowMac.mm
+++ b/macos/cc/WindowMac.mm
@@ -88,6 +88,19 @@ static CVReturn displayLinkCallback(CVDisplayLinkRef displayLink, const CVTimeSt
     return (fNSWindow.screen ?: [NSScreen mainScreen]).backingScaleFactor;
 }
 
+void jwm::WindowMac::move(int left, int top) {
+  auto screen = fNSWindow.screen ?: [NSScreen mainScreen];
+  auto scale = screen.backingScaleFactor;
+  NSPoint point {(CGFloat) left / scale, screen.frame.size.height - (CGFloat) top / scale};
+  [fNSWindow setFrameTopLeftPoint:point];
+}
+
+void jwm::WindowMac::resize(int width, int height) {
+  auto scale = getScale();
+  NSSize size {(CGFloat) width / scale, (CGFloat) height / scale};
+  [fNSWindow setContentSize:size];
+}
+
 void jwm::WindowMac::requestFrame() {
     fFrameRequested = true;
     if (!CVDisplayLinkIsRunning(fDisplayLink))
@@ -149,10 +162,22 @@ static CVReturn displayLinkCallback(CVDisplayLinkRef displayLink, const CVTimeSt
     return instance->getScale();
 }
 
+extern "C" JNIEXPORT void JNICALL Java_org_jetbrains_jwm_WindowMac_move
+  (JNIEnv* env, jobject obj, int left, int top) {
+    jwm::WindowMac* instance = reinterpret_cast<jwm::WindowMac*>(jwm::classes::Native::fromJava(env, obj));
+    instance->move(left, top);
+}
+
+extern "C" JNIEXPORT void JNICALL Java_org_jetbrains_jwm_WindowMac_resize
+  (JNIEnv* env, jobject obj, int width, int height) {
+    jwm::WindowMac* instance = reinterpret_cast<jwm::WindowMac*>(jwm::classes::Native::fromJava(env, obj));
+    instance->resize(width, height);
+}
+
 extern "C" JNIEXPORT void JNICALL Java_org_jetbrains_jwm_WindowMac_requestFrame
   (JNIEnv* env, jobject obj) {
     jwm::WindowMac* instance = reinterpret_cast<jwm::WindowMac*>(jwm::classes::Native::fromJava(env, obj));
-    return instance->requestFrame();
+    instance->requestFrame();
 }
 
 extern "C" JNIEXPORT void JNICALL Java_org_jetbrains_jwm_WindowMac__1nClose
diff --git a/macos/java/WindowMac.java b/macos/java/WindowMac.java
index 21913a66..2e24f6bc 100644
--- a/macos/java/WindowMac.java
+++ b/macos/java/WindowMac.java
@@ -31,14 +31,10 @@ public WindowMac() {
     public native float getScale();
 
     @Override
-    public void move(int left, int top) {
-        throw new UnsupportedOperationException("Not implemented");
-    }
+    public native void move(int left, int top);
 
     @Override
-    public void resize(int width, int height)  {
-        throw new UnsupportedOperationException("Not implemented");
-    }
+    public native void resize(int width, int height);
 
     @Override
     public native void requestFrame();