close packs when clearing search path

[xonotic/darkplaces.git] / vid_agl.c

diff --git a/vid_agl.c b/vid_agl.c
index 4ecbd2ee4b0a1ee74ead33481d4322b01847cb58..194b41538113d1374a51ae047bc47e26443a12b5 100644 (file)
--- a/vid_agl.c
+++ b/vid_agl.c
@@ -26,6 +26,9 @@
 #include <AGL/agl.h>
 #include <OpenGL/OpenGL.h>
 #include <Carbon/Carbon.h>
+#include <IOKit/hidsystem/IOHIDLib.h>
+#include <IOKit/hidsystem/IOHIDParameter.h>
+#include <IOKit/hidsystem/event_status_driver.h>
 #include "vid_agl_mackeys.h" // this is SDL/src/video/maccommon/SDL_mackeys.h
 #include "quakedef.h"
 
@@ -66,11 +69,34 @@ static qboolean sound_active = true;
 
 static int scr_width, scr_height;
 
-static cvar_t apple_multithreadedgl = {CVAR_SAVE, "apple_multithreadedgl", "0", "makes use of a second thread for the OpenGL driver (if possible) rather than using the engine thread (note: this is done automatically on most other operating systems)"};
+static cvar_t apple_multithreadedgl = {CVAR_SAVE, "apple_multithreadedgl", "1", "makes use of a second thread for the OpenGL driver (if possible) rather than using the engine thread (note: this is done automatically on most other operating systems)"};
+static cvar_t apple_mouse_noaccel = {CVAR_SAVE, "apple_mouse_noaccel", "1", "disables mouse acceleration while DarkPlaces is active"};
 
 static AGLContext context;
 static WindowRef window;
 
+static double originalMouseSpeed = -1.0;
+
+io_connect_t IN_GetIOHandle()
+{
+       io_connect_t iohandle = MACH_PORT_NULL;
+       kern_return_t status;
+       io_service_t iohidsystem = MACH_PORT_NULL;
+       mach_port_t masterport;
+
+       status = IOMasterPort(MACH_PORT_NULL, &masterport);
+       if(status != KERN_SUCCESS)
+               return 0;
+
+       iohidsystem = IORegistryEntryFromPath(masterport, kIOServicePlane ":/IOResources/IOHIDSystem");
+       if(!iohidsystem)
+               return 0;
+
+       status = IOServiceOpen(iohidsystem, mach_task_self(), kIOHIDParamConnectType, &iohandle);
+       IOObjectRelease(iohidsystem);
+
+       return iohandle;
+}
 
 void VID_GetWindowSize (int *x, int *y, int *width, int *height)
 {
@@ -100,6 +126,36 @@ static void IN_Activate( qboolean grab )
                        // Lock the mouse pointer at its current position
                        CGAssociateMouseAndMouseCursorPosition(false);
 
+                       // Save the status of mouse acceleration
+                       originalMouseSpeed = -1.0; // in case of error
+                       if(apple_mouse_noaccel.integer)
+                       {
+                               io_connect_t mouseDev = IN_GetIOHandle();
+                               if(mouseDev != 0)
+                               {
+                                       if(IOHIDGetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), &originalMouseSpeed) == kIOReturnSuccess)
+                                       {
+                                               Con_DPrintf("previous mouse acceleration: %f\n", originalMouseSpeed);
+                                               if(IOHIDSetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), -1.0) != kIOReturnSuccess)
+                                               {
+                                                       Con_Print("Could not disable mouse acceleration (failed at IOHIDSetAccelerationWithKey).\n");
+                                                       Cvar_SetValueQuick(&apple_mouse_noaccel, 0);
+                                               }
+                                       }
+                                       else
+                                       {
+                                               Con_Print("Could not disable mouse acceleration (failed at IOHIDGetAccelerationWithKey).\n");
+                                               Cvar_SetValueQuick(&apple_mouse_noaccel, 0);
+                                       }
+                                       IOServiceClose(mouseDev);
+                               }
+                               else
+                               {
+                                       Con_Print("Could not disable mouse acceleration (failed at IO_GetIOHandle).\n");
+                                       Cvar_SetValueQuick(&apple_mouse_noaccel, 0);
+                               }
+                       }
+
                        mouse_x = mouse_y = 0;
                        vid_usingmouse = true;
                }
@@ -108,6 +164,20 @@ static void IN_Activate( qboolean grab )
        {
                if (vid_usingmouse)
                {
+                       if(originalMouseSpeed != -1.0)
+                       {
+                               io_connect_t mouseDev = IN_GetIOHandle();
+                               if(mouseDev != 0)
+                               {
+                                       Con_DPrintf("restoring mouse acceleration to: %f\n", originalMouseSpeed);
+                                       if(IOHIDSetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), originalMouseSpeed) != kIOReturnSuccess)
+                                               Con_Print("Could not re-enable mouse acceleration (failed at IOHIDSetAccelerationWithKey).\n");
+                                       IOServiceClose(mouseDev);
+                               }
+                               else
+                                       Con_Print("Could not re-enable mouse acceleration (failed at IO_GetIOHandle).\n");
+                       }
+
                        CGAssociateMouseAndMouseCursorPosition(true);
                        CGDisplayShowCursor(CGMainDisplayID());
 
@@ -275,6 +345,7 @@ void VID_Init(void)
 {
        InitSig(); // trap evil signals
        Cvar_RegisterVariable(&apple_multithreadedgl);
+       Cvar_RegisterVariable(&apple_mouse_noaccel);
 // COMMANDLINEOPTION: Input: -nomouse disables mouse support (see also vid_mouse cvar)
        if (COM_CheckParm ("-nomouse"))
                mouse_avail = false;