591 lines
18 KiB
Java
591 lines
18 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.opengl;
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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.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_QUIT = 0x0012;
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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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private final static int SM_CXCURSOR = 13;
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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_RESTORE = 9;
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private static WindowsDisplay current_display;
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private WindowsDisplayPeerInfo peer_info;
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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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}
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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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if (isFullscreen)
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resetCursorClipping();
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}
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private static native void nDestroyWindow();
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private static native void resetCursorClipping();
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private static native void setupCursorClipping(long hwnd) 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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return nGetVersion(driver);
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else
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return null;
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}
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private native String 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(PixelFormat pixel_format) throws LWJGLException {
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peer_info = new WindowsDisplayPeerInfo(pixel_format);
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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.getContext().isCurrent())
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Display.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(createDirectInput(), getHwnd());
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}
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public void destroyMouse() {
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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);
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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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nSetCursorPosition(x, y, isFullscreen);
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}
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private static native void nSetCursorPosition(int x, int y, boolean fullscreen);
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public native void setNativeCursor(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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public native int getSystemMetrics(int index);
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private static native long getDllInstance();
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private static native long getHwnd();
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/* Keyboard */
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public void createKeyboard() throws LWJGLException {
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keyboard = new WindowsKeyboard(createDirectInput(), 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 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 nCreateCursor(width, height, xHotspot, yHotspot, numImages, images, images.position(), delays, delays != null ? delays.position() : -1);
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}
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public native void destroyCursor(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);
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return 0;
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}
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}
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private native int nGetPbufferCapabilities(PixelFormat format) throws LWJGLException;
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public boolean isBufferLost(PeerInfo handle) {
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return ((WindowsPbufferPeerInfo)handle).isBufferLost();
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}
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public PeerInfo createPbuffer(int width, int height, PixelFormat pixel_format,
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IntBuffer pixelFormatCaps,
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IntBuffer pBufferAttribs) throws LWJGLException {
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return new WindowsPbufferPeerInfo(width, height, pixel_format, pixelFormatCaps, pBufferAttribs);
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}
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public void setPbufferAttrib(PeerInfo handle, int attrib, int value) {
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((WindowsPbufferPeerInfo)handle).setPbufferAttrib(attrib, value);
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}
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public void bindTexImageToPbuffer(PeerInfo handle, int buffer) {
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((WindowsPbufferPeerInfo)handle).bindTexImageToPbuffer(buffer);
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}
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public void releaseTexImageFromPbuffer(PeerInfo handle, int buffer) {
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((WindowsPbufferPeerInfo)handle).releaseTexImageFromPbuffer(buffer);
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}
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/**
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* Sets one or more icons for the Display.
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* <ul>
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* <li>On Windows you should supply at least one 16x16 icon and one 32x32.</li>
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* <li>Linux (and similar platforms) expect one 32x32 icon.</li>
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* <li>Mac OS X should be supplied one 128x128 icon</li>
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* </ul>
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* The implementation will use the supplied ByteBuffers with image data in RGBA and perform any conversions nescesarry for the specific platform.
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*
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* @param icons Array of icons in RGBA mode
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* @return number of icons used.
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*/
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public int setIcon(ByteBuffer[] icons) {
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boolean done16 = false;
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boolean done32 = false;
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int used = 0;
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for (int i=0;i<icons.length;i++) {
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int size = icons[i].limit() / 4;
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if ((((int) Math.sqrt(size)) == 16) && (!done16)) {
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nSetWindowIcon16(icons[i].asIntBuffer());
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used++;
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done16 = true;
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}
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if ((((int) Math.sqrt(size)) == 32) && (!done32)) {
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nSetWindowIcon32(icons[i].asIntBuffer());
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used++;
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done32 = true;
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}
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}
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return used;
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}
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private static native int nSetWindowIcon16(IntBuffer icon);
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private static native int nSetWindowIcon32(IntBuffer icon);
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private void handleMouseButton(int button, int state, long millis) {
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if (mouse != null)
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mouse.handleMouseButton((byte)button, (byte)state, millis);
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}
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private void handleMouseMoved(int x, int y, long millis) {
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if (mouse != null)
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mouse.handleMouseMoved(x, y, millis);
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}
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private void handleMouseScrolled(int amount, long millis) {
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if (mouse != null)
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mouse.handleMouseScrolled(amount, millis);
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}
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private static native int transformY(long hwnd, int y);
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private static boolean handleMessage(long hwnd, int msg, long wParam, long lParam, long millis) {
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if (current_display != null)
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return current_display.doHandleMessage(hwnd, msg, wParam, lParam, millis);
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else
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return false;
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}
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private boolean doHandleMessage(long hwnd, int msg, long wParam, long lParam, long millis) {
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if (isFullscreen && !isMinimized && isFocused) {
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try {
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setupCursorClipping(getHwnd());
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} catch (LWJGLException e) {
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LWJGLUtil.log("setupCursorClipping failed: " + e.getMessage());
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}
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}
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switch (msg) {
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// disable screen saver and monitor power down messages which wreak havoc
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case WM_ACTIVATE:
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switch ((int)wParam) {
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case WA_ACTIVE:
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case WA_CLICKACTIVE:
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appActivate(true);
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break;
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case WA_INACTIVE:
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appActivate(false);
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break;
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}
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return true;
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case WM_SIZE:
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switch ((int)wParam) {
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case SIZE_RESTORED:
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case SIZE_MAXIMIZED:
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isMinimized = false;
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break;
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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_QUIT:
|
|
close_requested = true;
|
|
return true;
|
|
case WM_SYSCOMMAND:
|
|
switch ((int)wParam) {
|
|
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;
|
|
}
|
|
}
|
|
|
|
private static WindowsDirectInput createDirectInput() throws LWJGLException {
|
|
try {
|
|
return new WindowsDirectInput8(getDllInstance());
|
|
} catch (LWJGLException e) {
|
|
LWJGLUtil.log("Failed to create DirectInput 8 interface, falling back to DirectInput 3");
|
|
return new WindowsDirectInput3(getDllInstance());
|
|
}
|
|
}
|
|
}
|