From d88e4e55e094b1205071b37b12dc3bfe6412e507 Mon Sep 17 00:00:00 2001
From: Petr Kraus <petr_kraus@email.cz>
Date: Wed, 23 Jan 2019 18:45:04 +0100
Subject: vkcube: Implement key events in Windows

---
 cube/cube.cpp | 29 +++++++++++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

(limited to 'cube/cube.cpp')

diff --git a/cube/cube.cpp b/cube/cube.cpp
index 5b90fd2e..a6ac4ff6 100644
--- a/cube/cube.cpp
+++ b/cube/cube.cpp
@@ -2400,7 +2400,7 @@ void Demo::run() {
     draw();
     curFrame++;
 
-    if (frameCount != INT_MAX && curFrame == frameCount) {
+    if (frameCount != UINT32_MAX && curFrame == frameCount) {
         PostQuitMessage(validation_error);
     }
 }
@@ -2837,7 +2837,7 @@ void Demo::run_display() {
         draw();
         curFrame++;
 
-        if (frameCount != INT32_MAX && curFrame == frameCount) {
+        if (frameCount != UINT32_MAX && curFrame == frameCount) {
             quit = true;
         }
     }
@@ -2874,6 +2874,22 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
                 demo.resize();
             }
             break;
+        case WM_KEYDOWN:
+            switch (wParam) {
+                case VK_ESCAPE:
+                    PostQuitMessage(validation_error);
+                    break;
+                case VK_LEFT:
+                    demo.spin_angle -= demo.spin_increment;
+                    break;
+                case VK_RIGHT:
+                    demo.spin_angle += demo.spin_increment;
+                    break;
+                case VK_SPACE:
+                    demo.pause = !demo.pause;
+                    break;
+            }
+            return 0;
         default:
             break;
     }
@@ -2944,6 +2960,15 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR pCmdLine,
 
     // main message loop
     while (!done) {
+        if (demo.pause) {
+            const BOOL succ = WaitMessage();
+
+            if (!succ) {
+                const auto &suppress_popups = demo.suppress_popups;
+                ERR_EXIT("WaitMessage() failed on paused demo", "event loop error");
+            }
+        }
+
         PeekMessage(&msg, nullptr, 0, 0, PM_REMOVE);
         if (msg.message == WM_QUIT)  // check for a quit message
         {
-- 
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