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/*
* Copyright (c) 2010, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package com.sun.glass.ui.win;
import com.sun.glass.ui.Cursor;
import com.sun.glass.ui.Pixels;
import com.sun.glass.ui.Screen;
import com.sun.glass.ui.View;
import com.sun.glass.ui.Window;
/**
* MS Windows platform implementation class for Window.
*/
class WinWindow extends Window {
public static final int RESIZE_DISABLE = 0;
public static final int RESIZE_AROUND_ANCHOR = 1;
public static final int RESIZE_TO_FX_ORIGIN = 2;
public static final long ANCHOR_NO_CAPTURE = (1L << 63);
float fxReqWidth;
float fxReqHeight;
int pfReqWidth;
int pfReqHeight;
private native static void _initIDs();
static {
_initIDs();
}
protected WinWindow(Window owner, Screen screen, int styleMask) {
super(owner, screen, styleMask);
}
@Override
public void setBounds(float x, float y, boolean xSet, boolean ySet,
float w, float h, float cw, float ch,
float xGravity, float yGravity)
{
if (xSet || ySet || w > 0 || h > 0 || cw > 0 || ch > 0) {
long insets = _getInsets(getRawHandle());
int iLft = (int) (insets >> 48) & 0xffff;
int iTop = (int) (insets >> 32) & 0xffff;
int iRgt = (int) (insets >> 16) & 0xffff;
int iBot = (int) (insets ) & 0xffff;
int px, py;
if (xSet || ySet) {
// If an origin coordinate is set we need to translate it to the
// best platform location we can so we can do proper monitor
// and scale updating.
// To properly translate to platform space we need a pair of
// FX coordinates to search for which screen they are on.
// We know we have at least one FX coordinate available, but
// we might not have both so we need to reverse calculate the
// one that is missing in that case.
// Then we find the best screen for those FX coordinates and
// use that to calculate accurate platform coordinates, but
// only for the coordinates that are being set - the other
// coordinate will be kept from the existing location...
if (xSet) {
px = screen.toPlatformX(x);
} else {
px = this.x;
x = screen.fromPlatformX(px);
}
if (ySet) {
py = screen.toPlatformY(y);
} else {
py = this.y;
y = screen.fromPlatformY(py);
}
} else {
px = this.x;
py = this.y;
}
float fx_cw, fx_ch;
int pw, ph;
if (w > 0) {
fx_cw = w - (iLft + iRgt) / platformScaleX;
pw = (int) Math.ceil(w * platformScaleX);
} else {
fx_cw = (cw > 0) ? cw : fxReqWidth;
pw = iLft + iRgt + (int) Math.ceil(fx_cw * platformScaleX);
}
fxReqWidth = fx_cw;
if (h > 0) {
fx_ch = h - (iTop + iBot) / platformScaleY;
ph = (int) Math.ceil(h * platformScaleY);
} else {
fx_ch = (ch > 0) ? ch : fxReqHeight;
ph = iTop + iBot + (int) Math.ceil(fx_ch * platformScaleY);
}
fxReqHeight = fx_ch;
long anchor = _getAnchor(getRawHandle());
int resizeMode = (anchor == ANCHOR_NO_CAPTURE)
? RESIZE_TO_FX_ORIGIN
: RESIZE_AROUND_ANCHOR;
int anchorX = (int) (anchor >> 32);
int anchorY = (int) (anchor);
int overrideDims[] = notifyMoving(px, py, pw, ph,
x, y, anchorX, anchorY, resizeMode,
iLft, iTop, iRgt, iBot);
if (overrideDims != null) {
px = overrideDims[0];
py = overrideDims[1];
pw = overrideDims[2];
ph = overrideDims[3];
}
// The origin could have changed either due to the actions of
// the notifyMoving method or by our code to map a single incoming
// origin coordinate above. If they don't match the previously
// recorded location, then we need to make sure to send the new
// value to the platform code...
if (!xSet) xSet = (px != this.x);
if (!ySet) ySet = (py != this.y);
pfReqWidth = (int) Math.ceil(fxReqWidth * platformScaleX);
pfReqHeight = (int) Math.ceil(fxReqHeight * platformScaleY);
_setBounds(getRawHandle(), px, py, xSet, ySet, pw, ph, 0, 0, xGravity, yGravity);
}
}
protected int[] notifyMoving(int x, int y, int w, int h,
float fx_x, float fx_y,
int anchorX, int anchorY,
int resizeMode,
int iLft, int iTop, int iRgt, int iBot)
{
if (screen == null || !screen.containsPlatformRect(x, y, w, h)) {
float bestPortion = (screen == null) ? 0.0f
: screen.portionIntersectsPlatformRect(x, y, w, h);
if (bestPortion < 0.5f) {
float relAnchorX = anchorX / platformScaleX;
float relAnchorY = anchorY / platformScaleY;
Screen bestScreen = screen;
int bestx = x;
int besty = y;
int bestw = w;
int besth = h;
for (Screen scr : Screen.getScreens()) {
if (scr == screen) continue;
int newx, newy, neww, newh;
if (resizeMode == RESIZE_DISABLE) {
newx = x;
newy = y;
neww = w;
newh = h;
} else {
int newcw = (int) Math.ceil(fxReqWidth * scr.getPlatformScaleX());
int newch = (int) Math.ceil(fxReqHeight * scr.getPlatformScaleY());
neww = newcw + iLft + iRgt;
newh = newch + iTop + iBot;
if (resizeMode == RESIZE_AROUND_ANCHOR) {
newx = x + anchorX - Math.round(relAnchorX * scr.getPlatformScaleX());
newy = y + anchorY - Math.round(relAnchorY * scr.getPlatformScaleY());
} else {
newx = scr.toPlatformX(fx_x);
newy = scr.toPlatformY(fx_y);
}
}
float portion = scr.portionIntersectsPlatformRect(newx, newy, neww, newh);
if (screen == null || portion > 0.6f && portion > bestPortion) {
bestPortion = portion;
bestScreen = scr;
bestx = newx;
besty = newy;
bestw = neww;
besth = newh;
}
}
if (bestScreen != screen) {
notifyMoveToAnotherScreen(bestScreen);
notifyScaleChanged(bestScreen.getPlatformScaleX(),
bestScreen.getPlatformScaleY(),
bestScreen.getRecommendedOutputScaleX(),
bestScreen.getRecommendedOutputScaleY());
if (view != null) {
view.updateLocation();
}
if (resizeMode == RESIZE_DISABLE) {
return null;
} else {
return new int[] { bestx, besty, bestw, besth };
}
}
}
}
return null;
}
@Override
protected void notifyResize(int type, int width, int height) {
float oldScaleX = platformScaleX;
float oldScaleY = platformScaleY;
long insets = _getInsets(getRawHandle());
int iLft = (int) (insets >> 48) & 0xffff;
int iTop = (int) (insets >> 32) & 0xffff;
int iRgt = (int) (insets >> 16) & 0xffff;
int iBot = (int) (insets ) & 0xffff;
int pcw = (width - iLft - iRgt);
int pch = (height - iTop - iBot);
if (pcw != pfReqWidth || oldScaleX != platformScaleX) {
fxReqWidth = pcw / platformScaleX;
pfReqWidth = pcw;
}
if (pch != pfReqHeight || oldScaleY != platformScaleY) {
fxReqHeight = pch / platformScaleY;
pfReqHeight = pch;
}
super.notifyResize(type, width, height);
}
native protected boolean _setBackground2(long ptr, float r, float g, float b);
@Override
protected boolean _setBackground(long ptr, float r, float g, float b) {
// Revert to old behavior for standalone application on Windows as the
// call to setBackground causes flickering when resizing window.
// For more details see JDK-8171852: JavaFX Stage flickers on resize on
// Windows platforms
return true;
}
native private long _getInsets(long ptr);
native private long _getAnchor(long ptr);
@Override native protected long _createWindow(long ownerPtr, long screenPtr, int mask);
@Override native protected boolean _close(long ptr);
@Override native protected boolean _setView(long ptr, View view);
@Override native protected boolean _setMenubar(long ptr, long menubarPtr);
@Override native protected boolean _minimize(long ptr, boolean minimize);
@Override native protected boolean _maximize(long ptr, boolean maximize, boolean wasMaximized);
@Override native protected void _setBounds(long ptr, int x, int y, boolean xSet, boolean ySet, int w, int h, int cw, int ch, float xGravity, float yGravity);
@Override native protected boolean _setVisible(long ptr, boolean visible);
@Override native protected boolean _setResizable(long ptr, boolean resizable);
@Override native protected boolean _requestFocus(long ptr, int event);
@Override native protected void _setFocusable(long ptr, boolean isFocusable);
@Override native protected boolean _setTitle(long ptr, String title);
@Override native protected void _setLevel(long ptr, int level);
@Override native protected void _setAlpha(long ptr, float alpha);
@Override native protected void _setEnabled(long ptr, boolean enabled);
@Override native protected boolean _setMinimumSize(long ptr, int width, int height);
@Override native protected boolean _setMaximumSize(long ptr, int width, int height);
@Override native protected void _setIcon(long ptr, Pixels pixels);
@Override native protected void _toFront(long ptr);
@Override native protected void _toBack(long ptr);
@Override native protected void _enterModal(long ptr);
@Override native protected void _enterModalWithWindow(long dialog, long window);
@Override native protected void _exitModal(long ptr);
@Override native protected boolean _grabFocus(long ptr);
@Override native protected void _ungrabFocus(long ptr);
@Override native protected void _setCursor(long ptr, Cursor cursor);
@Override
protected void _requestInput(long ptr, String text, int type, double width, double height,
double Mxx, double Mxy, double Mxz, double Mxt,
double Myx, double Myy, double Myz, double Myt,
double Mzx, double Mzy, double Mzz, double Mzt) {
throw new UnsupportedOperationException("Not supported yet.");
}
@Override
protected void _releaseInput(long ptr) {
throw new UnsupportedOperationException("Not supported yet.");
}
private boolean deferredClosing = false;
private boolean closingRequested = false;
/**
* Defer destroying the window to avoid a crash when using a native dialog
* (like a file chooser).
*/
void setDeferredClosing(boolean dc) {
deferredClosing = dc;
if (!deferredClosing && closingRequested) {
close();
}
}
@Override public void close() {
if (!deferredClosing) {
super.close();
} else {
closingRequested = true;
setVisible(false);
}
}
}
