752 lines
28 KiB
Java
752 lines
28 KiB
Java
/*
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* Copyright (c) 2002-2004 LWJGL Project
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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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*
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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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*
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* * Neither the name of 'LWJGL' 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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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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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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package org.lwjgl.d3d;
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/**
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* This is the Display implementation interface. Display delegates
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* to implementors of this interface. There is one DisplayImplementation
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* for each supported platform.
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* @author elias_naur
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*/
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import java.nio.ByteBuffer;
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import java.nio.FloatBuffer;
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import java.nio.IntBuffer;
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import org.lwjgl.LWJGLException;
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import org.lwjgl.LWJGLUtil;
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import org.lwjgl.BufferUtils;
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import org.lwjgl.input.Cursor;
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final class WindowsDisplay implements DisplayImplementation {
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private final static int GAMMA_LENGTH = 256;
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private final static int WM_MOUSEMOVE = 0x0200;
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private final static int WM_LBUTTONDOWN = 0x0201;
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private final static int WM_LBUTTONUP = 0x0202;
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private final static int WM_LBUTTONDBLCLK = 0x0203;
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private final static int WM_RBUTTONDOWN = 0x0204;
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private final static int WM_RBUTTONUP = 0x0205;
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private final static int WM_RBUTTONDBLCLK = 0x0206;
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private final static int WM_MBUTTONDOWN = 0x0207;
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private final static int WM_MBUTTONUP = 0x0208;
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private final static int WM_MBUTTONDBLCLK = 0x0209;
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private final static int WM_MOUSEWHEEL = 0x020A;
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private final static int WM_KEYDOWN = 256;
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private final static int WM_KEYUP = 257;
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private final static int WM_SYSKEYUP = 261;
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private final static int WM_SYSKEYDOWN = 260;
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private final static int WM_CHAR = 258;
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private final static int WM_QUIT = 0x0012;
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private final static int WM_CLOSE = 0x0010;
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private final static int WM_DESTROY = 0x0002;
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private final static int WM_SYSCOMMAND = 0x0112;
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private final static int WM_PAINT = 0x000F;
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private final static int SC_SIZE = 0xF000;
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private final static int SC_MOVE = 0xF010;
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private final static int SC_MINIMIZE = 0xF020;
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private final static int SC_MAXIMIZE = 0xF030;
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private final static int SC_NEXTWINDOW = 0xF040;
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private final static int SC_PREVWINDOW = 0xF050;
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private final static int SC_CLOSE = 0xF060;
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private final static int SC_VSCROLL = 0xF070;
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private final static int SC_HSCROLL = 0xF080;
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private final static int SC_MOUSEMENU = 0xF090;
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private final static int SC_KEYMENU = 0xF100;
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private final static int SC_ARRANGE = 0xF110;
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private final static int SC_RESTORE = 0xF120;
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private final static int SC_TASKLIST = 0xF130;
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private final static int SC_SCREENSAVE = 0xF140;
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private final static int SC_HOTKEY = 0xF150;
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private final static int SC_DEFAULT = 0xF160;
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private final static int SC_MONITORPOWER = 0xF170;
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private final static int SC_CONTEXTHELP = 0xF180;
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private final static int SC_SEPARATOR = 0xF00F;
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final static int SM_CXCURSOR = 13;
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final static int SM_CYCURSOR = 14;
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final static int SM_CMOUSEBUTTONS = 43;
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final static int SM_MOUSEWHEELPRESENT = 75;
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private final static int SIZE_RESTORED = 0;
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private final static int SIZE_MINIMIZED = 1;
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private final static int SIZE_MAXIMIZED = 2;
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private final static int WM_SIZE = 0x0005;
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private final static int WM_ACTIVATE = 0x0006;
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private final static int WA_INACTIVE = 0;
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private final static int WA_ACTIVE = 1;
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private final static int WA_CLICKACTIVE = 2;
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private final static int SW_SHOWMINNOACTIVE = 7;
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private final static int SW_SHOWDEFAULT = 10;
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private final static int SW_RESTORE = 9;
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private final static IntBuffer rect_buffer = BufferUtils.createIntBuffer(4);
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private final static Rect rect = new Rect();
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private final static Rect rect2 = new Rect();
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private static WindowsDisplay current_display;
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private static boolean cursor_clipped;
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private WindowsDisplayPeerInfo peer_info;
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private Object current_cursor;
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private WindowsKeyboard keyboard;
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private WindowsMouse mouse;
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private boolean close_requested;
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private boolean is_dirty;
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private ByteBuffer current_gamma;
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private ByteBuffer saved_gamma;
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private DisplayMode current_mode;
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private boolean mode_set;
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private boolean isFullscreen;
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private boolean isMinimized;
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private boolean isFocused;
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private boolean did_maximize;
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private boolean inAppActivate;
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public WindowsDisplay() {
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current_display = this;
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}
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public void createWindow(DisplayMode mode, boolean fullscreen, int x, int y) throws LWJGLException {
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close_requested = false;
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is_dirty = false;
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isFullscreen = fullscreen;
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isMinimized = false;
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isFocused = false;
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did_maximize = false;
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nCreateWindow(mode, fullscreen, x, y);
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// peer_info.initDC();
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showWindow(getHwnd(), SW_SHOWDEFAULT);
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setForegroundWindow(getHwnd());
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setFocus(getHwnd());
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}
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private native void nCreateWindow(DisplayMode mode, boolean fullscreen, int x, int y) throws LWJGLException;
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public void destroyWindow() {
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nDestroyWindow();
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resetCursorClipping();
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}
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private static native void nDestroyWindow();
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static void resetCursorClipping() {
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if (cursor_clipped) {
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try {
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clipCursor(0, null);
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} catch (LWJGLException e) {
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LWJGLUtil.log("Failed to reset cursor clipping: " + e);
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}
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cursor_clipped = false;
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}
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}
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private static void getGlobalClientRect(long hwnd, Rect rect) {
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rect_buffer.put(0, 0).put(1, 0);
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clientToScreen(hwnd, rect_buffer);
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int offset_x = rect_buffer.get(0);
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int offset_y = rect_buffer.get(1);
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getClientRect(hwnd, rect_buffer);
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rect.copyFromBuffer(rect_buffer);
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rect.offset(offset_x, offset_y);
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}
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static WindowsDirectInput createDirectInput() throws LWJGLException {
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try {
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return new WindowsDirectInput8(getDllInstance());
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} catch (LWJGLException e) {
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LWJGLUtil.log("Failed to create DirectInput 8 interface, falling back to DirectInput 3");
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return new WindowsDirectInput3(getDllInstance());
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}
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}
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static void setupCursorClipping(long hwnd) throws LWJGLException {
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cursor_clipped = true;
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getGlobalClientRect(hwnd, rect);
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rect.copyToBuffer(rect_buffer);
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clipCursor(hwnd, rect_buffer);
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}
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private static native void clipCursor(long hwnd, IntBuffer rect) throws LWJGLException;
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public void switchDisplayMode(DisplayMode mode) throws LWJGLException {
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nSwitchDisplayMode(mode);
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current_mode = mode;
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mode_set = true;
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}
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private static native void nSwitchDisplayMode(DisplayMode mode) throws LWJGLException;
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/*
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* Called when the application is alt-tabbed to or from
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*/
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private void appActivate(boolean active) {
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if (inAppActivate) {
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return;
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}
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inAppActivate = true;
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isFocused = active;
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if (active) {
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if (isFullscreen) {
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restoreDisplayMode();
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}
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showWindow(getHwnd(), SW_RESTORE);
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setForegroundWindow(getHwnd());
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setFocus(getHwnd());
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did_maximize = true;
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} else if (isFullscreen) {
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showWindow(getHwnd(), SW_SHOWMINNOACTIVE);
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resetDisplayMode();
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}
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inAppActivate = false;
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}
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private static native void showWindow(long hwnd, int mode);
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private static native void setForegroundWindow(long hwnd);
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private static native void setFocus(long hwnd);
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private void restoreDisplayMode() {
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try {
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doSetGammaRamp(current_gamma);
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} catch (LWJGLException e) {
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LWJGLUtil.log("Failed to restore gamma: " + e.getMessage());
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}
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if (!mode_set) {
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mode_set = true;
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try {
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nSwitchDisplayMode(current_mode);
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} catch (LWJGLException e) {
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LWJGLUtil.log("Failed to restore display mode: " + e.getMessage());
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}
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}
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}
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public void resetDisplayMode() {
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try {
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doSetGammaRamp(saved_gamma);
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} catch (LWJGLException e) {
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LWJGLUtil.log("Failed to reset gamma ramp: " + e.getMessage());
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}
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current_gamma = saved_gamma;
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if (mode_set) {
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mode_set = false;
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nResetDisplayMode();
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}
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resetCursorClipping();
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}
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private static native void nResetDisplayMode();
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public int getGammaRampLength() {
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return GAMMA_LENGTH;
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}
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public void setGammaRamp(FloatBuffer gammaRamp) throws LWJGLException {
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doSetGammaRamp(convertToNativeRamp(gammaRamp));
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}
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private static native ByteBuffer convertToNativeRamp(FloatBuffer gamma_ramp) throws LWJGLException;
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private static native ByteBuffer getCurrentGammaRamp() throws LWJGLException;
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private void doSetGammaRamp(ByteBuffer native_gamma) throws LWJGLException {
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nSetGammaRamp(native_gamma);
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current_gamma = native_gamma;
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}
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private static native void nSetGammaRamp(ByteBuffer native_ramp) throws LWJGLException;
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public String getAdapter() {
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try {
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String adapter_string = WindowsRegistry.queryRegistrationKey(
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WindowsRegistry.HKEY_LOCAL_MACHINE,
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"HARDWARE\\DeviceMap\\Video",
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"\\Device\\Video0");
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String root_key = "\\registry\\machine\\";
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if (adapter_string.toLowerCase().startsWith(root_key)) {
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String driver_value = WindowsRegistry.queryRegistrationKey(
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WindowsRegistry.HKEY_LOCAL_MACHINE,
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adapter_string.substring(root_key.length()),
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"InstalledDisplayDrivers");
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return driver_value;
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}
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} catch (LWJGLException e) {
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LWJGLUtil.log("Exception occurred while querying registry: " + e);
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}
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return null;
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}
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public String getVersion() {
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String driver = getAdapter();
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if (driver != null) {
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WindowsFileVersion version = nGetVersion(driver + ".dll");
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if (version != null)
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return version.toString();
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}
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return null;
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}
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private native WindowsFileVersion nGetVersion(String driver);
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public DisplayMode init() throws LWJGLException {
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current_gamma = saved_gamma = getCurrentGammaRamp();
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return current_mode = getCurrentDisplayMode();
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}
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private static native DisplayMode getCurrentDisplayMode() throws LWJGLException;
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public native void setTitle(String title);
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public boolean isCloseRequested() {
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boolean saved = close_requested;
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close_requested = false;
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return saved;
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}
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public boolean isVisible() {
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return !isMinimized;
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}
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public boolean isActive() {
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return isFocused;
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}
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public boolean isDirty() {
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boolean saved = is_dirty;
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is_dirty = false;
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return saved;
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}
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public PeerInfo createPeerInfo() throws LWJGLException {
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peer_info = new WindowsDisplayPeerInfo();
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return peer_info;
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}
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public void update() {
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nUpdate();
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if (did_maximize) {
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did_maximize = false;
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/**
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* WORKAROUND:
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* Making the context current (redundantly) when the window
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* is maximized helps some gfx recover from fullscreen
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*/
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try {
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if (Display.getDrawable().getContext() != null && Display.getDrawable().getContext().isCurrent())
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Display.getDrawable().getContext().makeCurrent();
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} catch (LWJGLException e) {
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LWJGLUtil.log("Exception occurred while trying to make context current: " + e);
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}
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}
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}
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private static native void nUpdate();
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public void reshape(int x, int y, int width, int height) {
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if (!isFullscreen)
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nReshape(getHwnd(), x, y, width, height);
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}
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private static native void nReshape(long hwnd, int x, int y, int width, int height);
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public native DisplayMode[] getAvailableDisplayModes() throws LWJGLException;
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/* Mouse */
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public boolean hasWheel() {
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return mouse.hasWheel();
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}
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public int getButtonCount() {
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return mouse.getButtonCount();
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}
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public void createMouse() throws LWJGLException {
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mouse = new WindowsMouse(getHwnd());
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}
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public void destroyMouse() {
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if (mouse != null)
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mouse.destroy();
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mouse = null;
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}
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public void pollMouse(IntBuffer coord_buffer, ByteBuffer buttons) {
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update();
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mouse.poll(coord_buffer, buttons);
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}
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public void readMouse(ByteBuffer buffer) {
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update();
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mouse.read(buffer);
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}
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public void grabMouse(boolean grab) {
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mouse.grab(grab, shouldGrab());
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try {
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updateCursor();
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} catch (LWJGLException e) {
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LWJGLUtil.log("Failed to update cursor: " + e);
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}
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}
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public int getNativeCursorCapabilities() {
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return Cursor.CURSOR_ONE_BIT_TRANSPARENCY;
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}
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public void setCursorPosition(int x, int y) {
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getGlobalClientRect(getHwnd(), rect);
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int transformed_x = rect.left + x;
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int transformed_y = rect.bottom - 1 - y;
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nSetCursorPosition(transformed_x, transformed_y);
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setMousePosition(x, y);
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}
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private static native void nSetCursorPosition(int x, int y);
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public void setNativeCursor(Object handle) throws LWJGLException {
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current_cursor = handle;
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updateCursor();
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}
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private void updateCursor() throws LWJGLException {
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if (mouse != null && mouse.isGrabbed())
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nSetNativeCursor(getHwnd(), mouse.getBlankCursor());
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else
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nSetNativeCursor(getHwnd(), current_cursor);
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}
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static native void nSetNativeCursor(long hwnd, Object handle) throws LWJGLException;
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public int getMinCursorSize() {
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return getSystemMetrics(SM_CXCURSOR);
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}
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public int getMaxCursorSize() {
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return getSystemMetrics(SM_CXCURSOR);
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}
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static native int getSystemMetrics(int index);
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private static native long getDllInstance();
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public static native long getHwnd();
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private static native long getDesktopWindow();
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static void centerCursor(long hwnd) {
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getGlobalClientRect(getHwnd(), rect);
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int local_offset_x = rect.left;
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int local_offset_y = rect.top;
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getGlobalClientRect(getDesktopWindow(), rect2);
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Rect.intersect(rect, rect2, rect);
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int center_x = (rect.left + rect.right)/2;
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int center_y = (rect.top + rect.bottom)/2;
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nSetCursorPosition(center_x, center_y);
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int local_x = center_x - local_offset_x;
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int local_y = center_y - local_offset_y;
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if (current_display != null)
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current_display.setMousePosition(local_x, transformY(getHwnd(), local_y));
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}
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private void setMousePosition(int x, int y) {
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if (mouse != null)
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mouse.setPosition(x, y);
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}
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/* Keyboard */
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public void createKeyboard() throws LWJGLException {
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keyboard = new WindowsKeyboard(getHwnd());
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}
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public void destroyKeyboard() {
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keyboard.destroy();
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keyboard = null;
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}
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public void pollKeyboard(ByteBuffer keyDownBuffer) {
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update();
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keyboard.poll(keyDownBuffer);
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}
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public void readKeyboard(ByteBuffer buffer) {
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update();
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keyboard.read(buffer);
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}
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// public native int isStateKeySet(int key);
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public static native ByteBuffer nCreateCursor(int width, int height, int xHotspot, int yHotspot, int numImages, IntBuffer images, int images_offset, IntBuffer delays, int delays_offset) throws LWJGLException;
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public Object createCursor(int width, int height, int xHotspot, int yHotspot, int numImages, IntBuffer images, IntBuffer delays) throws LWJGLException {
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return doCreateCursor(width, height, xHotspot, yHotspot, numImages, images, delays);
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}
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static Object doCreateCursor(int width, int height, int xHotspot, int yHotspot, int numImages, IntBuffer images, IntBuffer delays) throws LWJGLException {
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return nCreateCursor(width, height, xHotspot, yHotspot, numImages, images, images.position(), delays, delays != null ? delays.position() : -1);
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}
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public void destroyCursor(Object cursorHandle) {
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doDestroyCursor(cursorHandle);
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}
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static native void doDestroyCursor(Object cursorHandle);
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// public int getPbufferCapabilities() {
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// try {
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// // Return the capabilities of a minimum pixel format
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// return nGetPbufferCapabilities(new PixelFormat(0, 0, 0, 0, 0, 0, 0, 0, false));
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// } catch (LWJGLException e) {
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// LWJGLUtil.log("Exception occurred while determining pbuffer capabilities: " + e);
|
|
// return 0;
|
|
// }
|
|
// }
|
|
// private native int nGetPbufferCapabilities(PixelFormat format) throws LWJGLException;
|
|
|
|
/**
|
|
* Sets one or more icons for the Display.
|
|
* <ul>
|
|
* <li>On Windows you should supply at least one 16x16 icon and one 32x32.</li>
|
|
* <li>Linux (and similar platforms) expect one 32x32 icon.</li>
|
|
* <li>Mac OS X should be supplied one 128x128 icon</li>
|
|
* </ul>
|
|
* The implementation will use the supplied ByteBuffers with image data in RGBA and perform any conversions nescesarry for the specific platform.
|
|
*
|
|
* @param icons Array of icons in RGBA mode
|
|
* @return number of icons used.
|
|
*/
|
|
public int setIcon(ByteBuffer[] icons) {
|
|
boolean done16 = false;
|
|
boolean done32 = false;
|
|
int used = 0;
|
|
|
|
for (int i=0;i<icons.length;i++) {
|
|
int size = icons[i].limit() / 4;
|
|
|
|
if ((((int) Math.sqrt(size)) == 16) && (!done16)) {
|
|
nSetWindowIcon16(icons[i].asIntBuffer());
|
|
used++;
|
|
done16 = true;
|
|
}
|
|
if ((((int) Math.sqrt(size)) == 32) && (!done32)) {
|
|
nSetWindowIcon32(icons[i].asIntBuffer());
|
|
used++;
|
|
done32 = true;
|
|
}
|
|
}
|
|
|
|
return used;
|
|
}
|
|
|
|
private static native int nSetWindowIcon16(IntBuffer icon);
|
|
|
|
private static native int nSetWindowIcon32(IntBuffer icon);
|
|
|
|
private void handleMouseButton(int button, int state, long millis) {
|
|
if (mouse != null)
|
|
mouse.handleMouseButton((byte)button, (byte)state, millis);
|
|
}
|
|
|
|
private boolean shouldGrab() {
|
|
return !isMinimized && isFocused;
|
|
}
|
|
|
|
private void handleMouseMoved(int x, int y, long millis) {
|
|
if (mouse != null)
|
|
mouse.handleMouseMoved(x, y, millis, shouldGrab());
|
|
}
|
|
|
|
private void handleMouseScrolled(int amount, long millis) {
|
|
if (mouse != null)
|
|
mouse.handleMouseScrolled(amount, millis);
|
|
}
|
|
|
|
private static native void getClientRect(long hwnd, IntBuffer rect);
|
|
|
|
private void handleChar(long wParam, long lParam, long millis) {
|
|
byte previous_state = (byte)((lParam >>> 30) & 0x1);
|
|
byte state = (byte)(1 - ((lParam >>> 31) & 0x1));
|
|
boolean repeat = state == previous_state;
|
|
if (keyboard != null)
|
|
keyboard.handleChar((int)(wParam & 0xFF), millis, repeat);
|
|
}
|
|
|
|
private void handleKeyButton(long wParam, long lParam, long millis) {
|
|
byte previous_state = (byte)((lParam >>> 30) & 0x1);
|
|
byte state = (byte)(1 - ((lParam >>> 31) & 0x1));
|
|
boolean repeat = state == previous_state; // Repeat message
|
|
byte extended = (byte)((lParam >>> 24) & 0x1);
|
|
int scan_code = (int)((lParam >>> 16) & 0xFF);
|
|
if (keyboard != null)
|
|
keyboard.handleKey((int)wParam, scan_code, extended != 0, state, millis, repeat);
|
|
}
|
|
|
|
private static int transformY(long hwnd, int y) {
|
|
getClientRect(hwnd, rect_buffer);
|
|
rect.copyFromBuffer(rect_buffer);
|
|
return (rect.bottom - rect.top) - 1 - y;
|
|
}
|
|
|
|
private static native void clientToScreen(long hwnd, IntBuffer point);
|
|
|
|
private static boolean handleMessage(long hwnd, int msg, long wParam, long lParam, long millis) {
|
|
if (current_display != null)
|
|
return current_display.doHandleMessage(hwnd, msg, wParam, lParam, millis);
|
|
else
|
|
return false;
|
|
}
|
|
|
|
private boolean doHandleMessage(long hwnd, int msg, long wParam, long lParam, long millis) {
|
|
if ((isFullscreen || (mouse != null && mouse.isGrabbed())) && !isMinimized && isFocused) {
|
|
try {
|
|
setupCursorClipping(getHwnd());
|
|
} catch (LWJGLException e) {
|
|
LWJGLUtil.log("setupCursorClipping failed: " + e.getMessage());
|
|
}
|
|
} else {
|
|
resetCursorClipping();
|
|
}
|
|
switch (msg) {
|
|
// disable screen saver and monitor power down messages which wreak havoc
|
|
case WM_ACTIVATE:
|
|
switch ((int)wParam) {
|
|
case WA_ACTIVE:
|
|
case WA_CLICKACTIVE:
|
|
appActivate(true);
|
|
break;
|
|
case WA_INACTIVE:
|
|
appActivate(false);
|
|
break;
|
|
}
|
|
return true;
|
|
case WM_SIZE:
|
|
switch ((int)wParam) {
|
|
case SIZE_RESTORED:
|
|
case SIZE_MAXIMIZED:
|
|
isMinimized = false;
|
|
break;
|
|
case SIZE_MINIMIZED:
|
|
isMinimized = true;
|
|
break;
|
|
}
|
|
return false;
|
|
case WM_MOUSEMOVE:
|
|
int xPos = (int)(short)(lParam & 0xFFFF);
|
|
int yPos = transformY(getHwnd(), (int)(short)((lParam >> 16) & 0xFFFF));
|
|
handleMouseMoved(xPos, yPos, millis);
|
|
return true;
|
|
case WM_MOUSEWHEEL:
|
|
int dwheel = (int)(short)((wParam >> 16) & 0xFFFF);
|
|
handleMouseScrolled(dwheel, millis);
|
|
return true;
|
|
case WM_LBUTTONDOWN:
|
|
handleMouseButton(0, 1, millis);
|
|
return true;
|
|
case WM_LBUTTONUP:
|
|
handleMouseButton(0, 0, millis);
|
|
return true;
|
|
case WM_RBUTTONDOWN:
|
|
handleMouseButton(1, 1, millis);
|
|
return true;
|
|
case WM_RBUTTONUP:
|
|
handleMouseButton(1, 0, millis);
|
|
return true;
|
|
case WM_MBUTTONDOWN:
|
|
handleMouseButton(2, 1, millis);
|
|
return true;
|
|
case WM_MBUTTONUP:
|
|
handleMouseButton(2, 0, millis);
|
|
return true;
|
|
case WM_CHAR:
|
|
handleChar(wParam, lParam, millis);
|
|
return true;
|
|
case WM_SYSKEYDOWN: /* Fall through */
|
|
case WM_SYSKEYUP: /* Fall through */
|
|
case WM_KEYUP: /* Fall through */
|
|
case WM_KEYDOWN:
|
|
handleKeyButton(wParam, lParam, millis);
|
|
return false;
|
|
case WM_DESTROY:
|
|
case WM_CLOSE:
|
|
case WM_QUIT:
|
|
close_requested = true;
|
|
return true;
|
|
case WM_SYSCOMMAND:
|
|
switch ((int)(wParam & 0xfff0)) {
|
|
case SC_KEYMENU:
|
|
case SC_MOUSEMENU:
|
|
case SC_SCREENSAVE:
|
|
case SC_MONITORPOWER:
|
|
return true;
|
|
case SC_CLOSE:
|
|
close_requested = true;
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
return false;
|
|
case WM_PAINT:
|
|
is_dirty = true;
|
|
return false;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public int getWidth() {
|
|
return Display.getDisplayMode().getWidth();
|
|
}
|
|
|
|
public int getHeight() {
|
|
return Display.getDisplayMode().getHeight();
|
|
}
|
|
|
|
private static final class Rect {
|
|
public int top;
|
|
public int bottom;
|
|
public int left;
|
|
public int right;
|
|
|
|
public void copyToBuffer(IntBuffer buffer) {
|
|
buffer.put(0, top).put(1, bottom).put(2, left).put(3, right);
|
|
}
|
|
|
|
public void copyFromBuffer(IntBuffer buffer) {
|
|
top = buffer.get(0);
|
|
bottom = buffer.get(1);
|
|
left = buffer.get(2);
|
|
right = buffer.get(3);
|
|
}
|
|
|
|
public void offset(int offset_x, int offset_y) {
|
|
left += offset_x;
|
|
right += offset_x;
|
|
top += offset_y;
|
|
bottom += offset_y;
|
|
}
|
|
|
|
public static void intersect(Rect r1, Rect r2, Rect dst) {
|
|
dst.top = Math.max(r1.top, r2.top);
|
|
dst.bottom = Math.min(r1.bottom, r2.bottom);
|
|
dst.left = Math.max(r1.left, r2.left);
|
|
dst.right = Math.min(r1.right, r2.right);
|
|
}
|
|
|
|
public String toString() {
|
|
return "Rect: top = " + top + " bottom = " + bottom + " left = " + left + " right = " + right;
|
|
}
|
|
}
|
|
}
|