2003-02-08 14:30:23 -05:00
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/*
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* Copyright (c) 2002 Lightweight Java Game Library Project
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2002-08-15 11:46:18 -04:00
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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2002-08-11 07:49:32 -04:00
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*
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2002-08-15 11:46:18 -04:00
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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2002-08-11 07:49:32 -04:00
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*
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2002-08-15 11:46:18 -04:00
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* * Neither the name of 'Light Weight Java Game Library' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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2003-02-08 14:30:23 -05:00
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* * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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2002-08-15 11:46:18 -04:00
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* $Id$
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2002-08-11 07:49:32 -04:00
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*
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2002-08-15 11:46:18 -04:00
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* Win32 mouse handling.
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2002-08-11 07:49:32 -04:00
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*
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2003-02-08 14:30:23 -05:00
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* @author Brian Matzon <brian@matzon.com>
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2002-08-15 11:46:18 -04:00
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* @version $Revision$
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2002-08-11 07:49:32 -04:00
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*/
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#define WIN32_LEAN_AND_MEAN
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#include "org_lwjgl_input_Mouse.h"
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2003-02-08 14:30:23 -05:00
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#include <windows.h>
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2002-08-11 07:49:32 -04:00
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#undef DIRECTINPUT_VERSION
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#define DIRECTINPUT_VERSION 0x0300
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2003-03-27 20:28:04 -05:00
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#include "Window.h"
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2002-08-11 07:49:32 -04:00
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#include <dinput.h>
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2003-05-16 14:39:46 -04:00
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static LPDIRECTINPUTDEVICE mDIDevice; // DI Device instance
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static int mButtoncount = 0; // Temporary buttoncount
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static bool mHaswheel; // Temporary wheel check
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static JNIEnv* mEnvironment; // JNIEnvironment copy
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2003-02-08 14:30:23 -05:00
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2003-05-16 14:39:46 -04:00
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static bool mCreate_success; // bool used to determine successfull creation
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static bool mFirstTimeInitialization = true; // boolean to determine first time initialization
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2003-02-08 14:30:23 -05:00
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// Cached fields of Mouse.java
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2003-05-16 14:39:46 -04:00
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static jclass clsMouse;
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static jfieldID fidMButtonCount;
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static jfieldID fidMButtons;
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static jfieldID fidMDX;
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static jfieldID fidMDY;
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static jfieldID fidMDWheel;
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static jfieldID fidMHasWheel;
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static POINT cursorPos;
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static RECT windowRect;
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static bool usingNativeCursor;
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2003-02-08 14:30:23 -05:00
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// Function prototypes (defined in the cpp file, since header file is generic across platforms
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void EnumerateMouseCapabilities();
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BOOL CALLBACK EnumMouseObjectsCallback(LPCDIDEVICEOBJECTINSTANCE lpddoi, LPVOID pvRef);
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void ShutdownMouse();
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void CreateMouse();
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void SetupMouse();
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void InitializeMouseFields();
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void CacheMouseFields();
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void UpdateMouseFields();
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void SetMouseCapabilities();
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2003-05-16 14:39:46 -04:00
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static void getScreenClientRect(RECT* clientRect, RECT* windowRect)
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{
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GetClientRect(hwnd, clientRect);
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// transform clientRect to screen coordinates
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clientRect->top = -clientSize.top + windowRect->top;
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clientRect->left = -clientSize.left + windowRect->left;
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clientRect->bottom += clientRect->top;
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clientRect->right += clientRect->left;
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}
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2003-02-08 14:30:23 -05:00
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/**
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* Initializes any field ids
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2002-08-11 07:49:32 -04:00
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*/
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2003-02-08 14:30:23 -05:00
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JNIEXPORT void JNICALL Java_org_lwjgl_input_Mouse_initIDs(JNIEnv * env, jclass clazz) {
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mEnvironment = env;
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clsMouse = clazz;
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/* Cache fields in Mouse */
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CacheMouseFields();
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2002-08-11 07:49:32 -04:00
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}
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2003-02-08 14:30:23 -05:00
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/**
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* Called when the Mouse instance is to be created
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2002-08-11 07:49:32 -04:00
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*/
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2003-02-08 14:30:23 -05:00
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JNIEXPORT jboolean JNICALL Java_org_lwjgl_input_Mouse_nCreate(JNIEnv *env, jclass clazz) {
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2003-05-16 14:39:46 -04:00
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HRESULT hr;
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2003-03-18 11:38:31 -05:00
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2003-05-16 14:39:46 -04:00
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mEnvironment = env;
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clsMouse = clazz;
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2003-03-18 11:38:31 -05:00
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2003-05-20 08:20:13 -04:00
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ShowCursor(FALSE);
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2003-05-16 14:39:46 -04:00
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CacheMouseFields();
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2003-02-08 14:30:23 -05:00
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2003-05-16 14:39:46 -04:00
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/* skip enumeration, since we only want system mouse */
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CreateMouse();
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2003-02-09 14:18:31 -05:00
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2003-05-16 14:39:46 -04:00
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//check for first time initialization - need to detect capabilities
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if (mFirstTimeInitialization) {
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mFirstTimeInitialization = false;
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/* Enumerate capabilities of Mouse */
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EnumerateMouseCapabilities();
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if (!mCreate_success) {
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#if _DEBUG
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printf("EnumerateMouseCapabilities failed\n");
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#endif
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ShutdownMouse();
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return JNI_FALSE;
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}
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/* Do setup of Mouse */
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SetupMouse();
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2003-02-09 14:18:31 -05:00
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2003-05-16 14:39:46 -04:00
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/* Set capabilities */
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SetMouseCapabilities();
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} else {
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if(mCreate_success) {
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/* Do setup of Mouse */
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SetupMouse();
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}
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}
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/* Aquire the Mouse */
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hr = mDIDevice->Acquire();
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if(FAILED(hr)) {
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#if _DEBUG
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printf("Failed to acquire mouse\n");
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#endif
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}
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return mCreate_success ? JNI_TRUE : JNI_FALSE;
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}
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2003-02-09 14:18:31 -05:00
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2003-05-16 14:39:46 -04:00
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/*
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* Class: org_lwjgl_input_Mouse
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* Method: nIsNativeCursorSupported
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2003-05-20 08:20:13 -04:00
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* Signature: ()I
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2003-05-16 14:39:46 -04:00
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*/
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2003-05-20 08:20:13 -04:00
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JNIEXPORT jint JNICALL Java_org_lwjgl_input_Mouse_nGetNativeCursorCaps
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2003-05-16 14:39:46 -04:00
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(JNIEnv *env, jclass clazz)
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{
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2003-05-20 08:20:13 -04:00
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return org_lwjgl_input_Mouse_CURSOR_ONE_BIT_TRANSPARANCY;
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2003-05-16 14:39:46 -04:00
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}
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2003-02-08 14:30:23 -05:00
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2003-05-16 14:39:46 -04:00
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/*
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* Class: org_lwjgl_input_Mouse
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* Method: nSetNativeCursor
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* Signature: (I)V
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*/
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JNIEXPORT void JNICALL Java_org_lwjgl_input_Mouse_nSetNativeCursor
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(JNIEnv *env, jclass clazz, jint cursor_handle)
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{
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2003-06-24 08:24:55 -04:00
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if (cursor_handle != 0) {
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2003-05-16 14:39:46 -04:00
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if (mDIDevice == NULL)
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throwException(env, "null device!");
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mDIDevice->Unacquire();
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if(mDIDevice->SetCooperativeLevel(hwnd, DISCL_NONEXCLUSIVE | DISCL_FOREGROUND) != DI_OK) {
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2003-02-08 14:30:23 -05:00
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#if _DEBUG
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2003-05-16 14:39:46 -04:00
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printf("SetCooperativeLevel failed\n");
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2002-08-11 07:49:32 -04:00
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#endif
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2003-05-16 14:39:46 -04:00
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throwException(env, "Could not set the CooperativeLevel.");
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return;
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}
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HCURSOR cursor = (HCURSOR)cursor_handle;
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SetClassLong(hwnd, GCL_HCURSOR, (LONG)cursor);
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SetCursor(cursor);
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if (!usingNativeCursor) {
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/* Reset cursor position to 0, 0 */
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RECT clientRect;
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GetWindowRect(hwnd, &windowRect);
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getScreenClientRect(&clientRect, &windowRect);
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cursorPos.x = clientRect.left;
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2003-08-11 12:35:45 -04:00
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cursorPos.y = clientRect.bottom - 1;
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SetCursorPos(cursorPos.x, cursorPos.y);
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2003-05-20 08:20:13 -04:00
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ShowCursor(TRUE);
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2003-05-16 14:39:46 -04:00
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usingNativeCursor = true;
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}
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} else {
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2003-05-20 08:20:13 -04:00
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if (usingNativeCursor) {
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SetClassLong(hwnd, GCL_HCURSOR, (LONG)NULL);
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SetCursor(NULL);
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mDIDevice->Unacquire();
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if(mDIDevice->SetCooperativeLevel(hwnd, DISCL_EXCLUSIVE | DISCL_FOREGROUND) != DI_OK) {
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2003-05-16 14:39:46 -04:00
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#if _DEBUG
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2003-05-20 08:20:13 -04:00
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printf("SetCooperativeLevel failed\n");
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2003-05-16 14:39:46 -04:00
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#endif
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2003-05-20 08:20:13 -04:00
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throwException(env, "Could not set the CooperativeLevel.");
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return;
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}
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ShowCursor(FALSE);
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usingNativeCursor = false;
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2003-05-16 14:39:46 -04:00
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}
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}
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}
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/*
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* Class: org_lwjgl_input_Mouse
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* Method: nGetMaxCursorSize
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* Signature: ()I
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*/
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JNIEXPORT jint JNICALL Java_org_lwjgl_input_Mouse_nGetMaxCursorSize
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(JNIEnv *env, jclass clazz)
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{
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return GetSystemMetrics(SM_CXCURSOR);
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}
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2003-02-09 14:18:31 -05:00
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2003-05-16 14:39:46 -04:00
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/*
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* Class: org_lwjgl_input_Mouse
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* Method: nGetMaxCursorSize
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* Signature: ()I
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*/
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JNIEXPORT jint JNICALL Java_org_lwjgl_input_Mouse_nGetMinCursorSize
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(JNIEnv *env, jclass clazz)
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{
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return GetSystemMetrics(SM_CXCURSOR);
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2002-08-11 07:49:32 -04:00
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}
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/*
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* Class: org_lwjgl_input_Mouse
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* Method: nDestroy
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* Signature: ()V
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*/
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2003-02-08 14:30:23 -05:00
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JNIEXPORT void JNICALL Java_org_lwjgl_input_Mouse_nDestroy(JNIEnv *env, jclass clazz) {
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2003-05-20 08:20:13 -04:00
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mEnvironment = env;
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clsMouse = clazz;
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2003-07-24 05:09:24 -04:00
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ShowCursor(TRUE);
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2003-05-20 08:20:13 -04:00
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ShutdownMouse();
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2002-08-11 07:49:32 -04:00
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}
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/*
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2003-02-08 14:30:23 -05:00
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* Class: org_lwjgl_input_Controller
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2002-08-11 07:49:32 -04:00
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* Method: nPoll
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* Signature: ()V
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*/
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2003-02-08 14:30:23 -05:00
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JNIEXPORT void JNICALL Java_org_lwjgl_input_Mouse_nPoll(JNIEnv * env, jclass clazz) {
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2003-03-01 16:39:31 -05:00
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mDIDevice->Acquire();
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2003-03-18 11:38:31 -05:00
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mEnvironment = env;
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clsMouse = clazz;
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2003-02-08 14:30:23 -05:00
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UpdateMouseFields();
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}
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/**
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* Shutdown DI
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*/
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void ShutdownMouse() {
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// release device
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if (mDIDevice != NULL) {
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mDIDevice->Unacquire();
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mDIDevice->Release();
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2003-03-23 15:00:28 -05:00
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mDIDevice = NULL;
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2003-02-08 14:30:23 -05:00
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}
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}
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/**
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* Enumerates the capabilities of the Mouse attached to the system
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*/
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void EnumerateMouseCapabilities() {
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2003-05-16 14:39:46 -04:00
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HRESULT hr;
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hr = mDIDevice->EnumObjects(EnumMouseObjectsCallback, NULL, DIDFT_ALL);
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if FAILED(hr) {
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2003-02-08 14:30:23 -05:00
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#if _DEBUG
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2003-05-16 14:39:46 -04:00
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printf("EnumObjects failed\n");
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2002-08-11 07:49:32 -04:00
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#endif
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2003-05-16 14:39:46 -04:00
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mCreate_success = false;
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return;
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}
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2003-03-23 15:00:28 -05:00
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2003-05-16 14:39:46 -04:00
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//check for > 4 buttons - need to clamp since we're using dx 5
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if(mButtoncount > 4) {
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mButtoncount = 4;
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2003-03-23 15:00:28 -05:00
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#ifdef _DEBUG
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2003-05-16 14:39:46 -04:00
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printf("WARNING: Clamping to 4 mouse buttons\n");
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2003-03-23 15:00:28 -05:00
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#endif
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2003-05-16 14:39:46 -04:00
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}
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2003-03-23 15:00:28 -05:00
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2003-05-16 14:39:46 -04:00
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mCreate_success = true;
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2003-02-08 14:30:23 -05:00
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}
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/**
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* Callback from EnumObjects. Called for each "object" on the Mouse.
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*/
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BOOL CALLBACK EnumMouseObjectsCallback(LPCDIDEVICEOBJECTINSTANCE lpddoi, LPVOID pvRef) {
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#if _DEBUG
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printf("found %s\n", lpddoi->tszName);
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#endif
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if(lpddoi->guidType == GUID_Button) {
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mButtoncount++;
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} else if(lpddoi->guidType == GUID_XAxis) {
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} else if(lpddoi->guidType == GUID_YAxis) {
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} else if(lpddoi->guidType == GUID_ZAxis) {
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mHaswheel = true;
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#if _DEBUG
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} else {
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printf("Unhandled object found: %s\n", lpddoi->tszName);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
return DIENUM_CONTINUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Creates the specified device as a Mouse
|
|
|
|
*/
|
|
|
|
void CreateMouse() {
|
|
|
|
HRESULT hr;
|
|
|
|
hr = lpdi->CreateDevice(GUID_SysMouse, &mDIDevice, NULL);
|
|
|
|
if FAILED(hr) {
|
|
|
|
#if _DEBUG
|
|
|
|
printf("CreateDevice failed\n");
|
|
|
|
#endif
|
|
|
|
mCreate_success = false;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
mCreate_success = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Sets up the Mouse properties
|
|
|
|
*/
|
|
|
|
void SetupMouse() {
|
|
|
|
// set Mouse data format
|
|
|
|
if(mDIDevice->SetDataFormat(&c_dfDIMouse) != DI_OK) {
|
|
|
|
#if _DEBUG
|
|
|
|
printf("SetDataFormat failed\n");
|
|
|
|
#endif
|
|
|
|
mCreate_success = false;
|
|
|
|
return;
|
|
|
|
}
|
2002-08-11 07:49:32 -04:00
|
|
|
|
2003-02-08 14:30:23 -05:00
|
|
|
// set the cooperative level
|
|
|
|
if(mDIDevice->SetCooperativeLevel(hwnd, DISCL_EXCLUSIVE | DISCL_FOREGROUND) != DI_OK) {
|
|
|
|
#if _DEBUG
|
|
|
|
printf("SetCooperativeLevel failed\n");
|
|
|
|
#endif
|
|
|
|
mCreate_success = false;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
mCreate_success = true;
|
|
|
|
}
|
|
|
|
|
2003-08-11 12:35:45 -04:00
|
|
|
static int cap(int val, int min, int max) {
|
|
|
|
if (val < min)
|
|
|
|
return min;
|
|
|
|
else if (val > max)
|
|
|
|
return max;
|
|
|
|
else
|
|
|
|
return val;
|
|
|
|
}
|
|
|
|
|
2003-05-16 14:39:46 -04:00
|
|
|
static void getGDICursorDelta(int* return_dx, int* return_dy) {
|
|
|
|
int dx = 0;
|
|
|
|
int dy = 0;
|
|
|
|
|
|
|
|
POINT newCursorPos;
|
|
|
|
GetCursorPos(&newCursorPos);
|
|
|
|
RECT clientRect;
|
|
|
|
RECT newWindowRect;
|
|
|
|
GetWindowRect(hwnd, &newWindowRect);
|
|
|
|
cursorPos.x += newWindowRect.left - windowRect.left;
|
|
|
|
cursorPos.y += newWindowRect.top - windowRect.top;
|
|
|
|
windowRect = newWindowRect;
|
|
|
|
getScreenClientRect(&clientRect, &windowRect);
|
|
|
|
// Clip the position to the client rect
|
2003-08-11 12:35:45 -04:00
|
|
|
newCursorPos.x = cap(newCursorPos.x, clientRect.left, clientRect.right - 1);
|
|
|
|
newCursorPos.y = cap(newCursorPos.y, clientRect.top, clientRect.bottom - 1);
|
|
|
|
dx = newCursorPos.x - cursorPos.x;
|
|
|
|
dy = newCursorPos.y - cursorPos.y;
|
|
|
|
cursorPos.x += dx;
|
|
|
|
cursorPos.y += dy;
|
2003-05-16 14:39:46 -04:00
|
|
|
*return_dx = dx;
|
|
|
|
*return_dy = dy;
|
|
|
|
}
|
|
|
|
|
2003-02-08 14:30:23 -05:00
|
|
|
/**
|
|
|
|
* Updates the fields on the Mouse
|
|
|
|
*/
|
|
|
|
void UpdateMouseFields() {
|
2003-05-16 14:39:46 -04:00
|
|
|
HRESULT hRes;
|
|
|
|
DIMOUSESTATE diMouseState; // State of Mouse
|
|
|
|
int dx, dy;
|
|
|
|
|
|
|
|
// get data from the Mouse
|
|
|
|
hRes = mDIDevice->GetDeviceState(sizeof(DIMOUSESTATE), &diMouseState);
|
|
|
|
if (hRes != DI_OK) {
|
|
|
|
// Don't allow the mouse to drift when failed
|
|
|
|
diMouseState.lX = 0;
|
|
|
|
diMouseState.lY = 0;
|
|
|
|
diMouseState.lZ = 0;
|
|
|
|
// did the read fail because we lost input for some reason?
|
|
|
|
// if so, then attempt to reacquire.
|
|
|
|
if(hRes == DIERR_INPUTLOST || hRes == DIERR_NOTACQUIRED) {
|
|
|
|
mDIDevice->Acquire();
|
2003-02-08 14:30:23 -05:00
|
|
|
#if _DEBUG
|
2003-06-07 15:28:53 -04:00
|
|
|
//printf("DIERR_INPUTLOST, reaquiring input : mCreate_success=%d\n", mCreate_success);
|
2003-02-08 14:30:23 -05:00
|
|
|
#endif
|
2003-05-16 14:39:46 -04:00
|
|
|
} else {
|
2003-02-08 14:30:23 -05:00
|
|
|
#if _DEBUG
|
2003-05-16 14:39:46 -04:00
|
|
|
printf("Error getting mouse state: %d\n", hRes);
|
2003-02-08 14:30:23 -05:00
|
|
|
#endif
|
2003-05-16 14:39:46 -04:00
|
|
|
}
|
2003-06-07 08:49:55 -04:00
|
|
|
|
|
|
|
// Leave anyway and come back next time
|
|
|
|
return;
|
2003-05-16 14:39:46 -04:00
|
|
|
}
|
|
|
|
|
|
|
|
if (usingNativeCursor) {
|
|
|
|
getGDICursorDelta(&dx, &dy);
|
|
|
|
} else {
|
|
|
|
dx = diMouseState.lX;
|
|
|
|
dy = diMouseState.lY;
|
|
|
|
}
|
2003-08-11 12:35:45 -04:00
|
|
|
dy = -dy;
|
2003-02-08 14:30:23 -05:00
|
|
|
|
2003-05-16 14:39:46 -04:00
|
|
|
mEnvironment->SetStaticIntField(clsMouse, fidMDX, (jint)dx);
|
|
|
|
mEnvironment->SetStaticIntField(clsMouse, fidMDY, (jint)dy);
|
|
|
|
mEnvironment->SetStaticIntField(clsMouse, fidMDWheel, (jint)diMouseState.lZ);
|
2003-02-08 14:30:23 -05:00
|
|
|
|
2003-05-16 14:39:46 -04:00
|
|
|
for (int i = 0; i < mButtoncount; i++) {
|
|
|
|
if (diMouseState.rgbButtons[i] != 0) {
|
|
|
|
diMouseState.rgbButtons[i] = JNI_TRUE;
|
|
|
|
} else {
|
|
|
|
diMouseState.rgbButtons[i] = JNI_FALSE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
jbooleanArray mButtonsArray = (jbooleanArray) mEnvironment->GetStaticObjectField(clsMouse, fidMButtons);
|
|
|
|
mEnvironment->SetBooleanArrayRegion(mButtonsArray, 0, mButtoncount, diMouseState.rgbButtons);
|
2003-02-08 14:30:23 -05:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Sets the capabilities of the Mouse
|
|
|
|
*/
|
|
|
|
void SetMouseCapabilities() {
|
|
|
|
//set buttoncount
|
|
|
|
mEnvironment->SetStaticIntField(clsMouse, fidMButtonCount, mButtoncount);
|
|
|
|
|
|
|
|
//set wheel
|
|
|
|
mEnvironment->SetStaticBooleanField(clsMouse, fidMHasWheel, mHaswheel);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Caches the field ids for quicker access
|
|
|
|
*/
|
|
|
|
void CacheMouseFields() {
|
|
|
|
fidMButtonCount = mEnvironment->GetStaticFieldID(clsMouse, "buttonCount", "I");
|
|
|
|
fidMHasWheel = mEnvironment->GetStaticFieldID(clsMouse, "hasWheel", "Z");
|
|
|
|
fidMButtons = mEnvironment->GetStaticFieldID(clsMouse, "buttons", "[Z");
|
|
|
|
fidMDX = mEnvironment->GetStaticFieldID(clsMouse, "dx", "I");
|
|
|
|
fidMDY = mEnvironment->GetStaticFieldID(clsMouse, "dy", "I");
|
|
|
|
fidMDWheel = mEnvironment->GetStaticFieldID(clsMouse, "dwheel", "I");
|
2003-03-23 15:08:49 -05:00
|
|
|
}
|