From e11f4c9afb9f18cb342668addf8e8444df708564 Mon Sep 17 00:00:00 2001
From: terminx <terminx@1a8010ca-5511-0410-912e-c29ae57300e0>
Date: Fri, 8 Dec 2006 16:45:12 +0000
Subject: [PATCH] Better alt-tab support for fullscreen OpenGL on win32

git-svn-id: https://svn.eduke32.com/eduke32@391 1a8010ca-5511-0410-912e-c29ae57300e0
---
 polymer/build/src/winlayer.c  | 24 ++++++++++++++++++++++--
 polymer/eduke32/source/anim.c | 10 +++-------
 polymer/eduke32/source/game.c |  4 ++++
 3 files changed, 29 insertions(+), 9 deletions(-)

diff --git a/polymer/build/src/winlayer.c b/polymer/build/src/winlayer.c
index 04d942ac8..5115ad9aa 100644
--- a/polymer/build/src/winlayer.c
+++ b/polymer/build/src/winlayer.c
@@ -114,7 +114,7 @@ char videomodereset = 0;
 
 // input and events
 char inputdevices=0;
-char quitevent=0, appactive=1;
+char quitevent=0, appactive=1, realfs=0;
 long mousex=0, mousey=0, mouseb=0;
 static unsigned long mousewheel[2] = { 0,0 };
 #define MouseWheelFakePressTime (25)	// getticks() is a 1000Hz timer, and the button press is faked for 100ms
@@ -3504,12 +3504,32 @@ static LRESULT CALLBACK WndProcCallback(HWND hWnd, UINT uMsg, WPARAM wParam, LPA
         break;
 
     case WM_ACTIVATEAPP:
+    {
         appactive = wParam;
+#if defined(POLYMOST) && defined(USE_OPENGL)
+        if (hGLWindow)
+        {
+            if (!appactive && fullscreen)
+            {
+                realfs = fullscreen;
+                setvideomode(xdim,ydim,bpp,!fullscreen);
+                ShowWindow(hWindow, SW_MINIMIZE);
+            }
+            else if (appactive && realfs)
+            {    
+                ShowWindow(hWindow, SW_SHOWNORMAL);
+                SetForegroundWindow(hWindow);
+                SetFocus(hWindow);
+                setvideomode(xdim,ydim,bpp,realfs);
+                realfs = 0;
+            }
+        }
+#endif
         if (backgroundidle)
             SetPriorityClass( GetCurrentProcess(),
                               appactive ? NORMAL_PRIORITY_CLASS : IDLE_PRIORITY_CLASS );
         break;
-
+    }
     case WM_ACTIVATE:
         if (desktopbpp <= 8) {
             if (appactive) {
diff --git a/polymer/eduke32/source/anim.c b/polymer/eduke32/source/anim.c
index deeb8fbc5..8c4f88dc9 100644
--- a/polymer/eduke32/source/anim.c
+++ b/polymer/eduke32/source/anim.c
@@ -235,13 +235,6 @@ void playanm(char *fn,char t)
     palptr = ANIM_GetPalette();
     for (i=0;i<256;i++)
     {
-        /*
-        j = (i<<2); k = j-i;
-        tempbuf[j+0] = (palptr[k+2]>>2);
-        tempbuf[j+1] = (palptr[k+1]>>2);
-        tempbuf[j+2] = (palptr[k+0]>>2);
-        tempbuf[j+3] = 0;
-        */
         j = i*3;
         animpal[j+0] = (palptr[j+0]>>2);
         animpal[j+1] = (palptr[j+1]>>2);
@@ -264,7 +257,10 @@ void playanm(char *fn,char t)
             handleevents();
             getpackets();
             if (restorepalette == 1)
+            {
                 setgamepalette(&ps[myconnectindex],animpal,2);
+                restorepalette = 0;
+            }
         }
 
         if (t == 10) ototalclock += 14;
diff --git a/polymer/eduke32/source/game.c b/polymer/eduke32/source/game.c
index dfb7c7129..9f1084d4b 100644
--- a/polymer/eduke32/source/game.c
+++ b/polymer/eduke32/source/game.c
@@ -9603,6 +9603,10 @@ void app_main(int argc,char **argv)
     }
 #endif
 
+#ifdef RENDERTYPEWIN
+    backgroundidle = 0;
+#endif
+
     OSD_SetLogFile("eduke32.log");
 
     wm_setapptitle(HEAD2);