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/**
* Copyright 2023-2024 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package com.jogamp.graph.ui;
import com.jogamp.common.os.Clock;
import com.jogamp.graph.curve.Region;
import com.jogamp.graph.curve.opengl.GLRegion;
import com.jogamp.graph.curve.opengl.RegionRenderer;
import com.jogamp.math.Vec2f;
import com.jogamp.math.Vec3f;
import com.jogamp.math.Vec4f;
import com.jogamp.math.geom.AABBox;
import com.jogamp.math.util.PMVMatrix4f;
import com.jogamp.opengl.GL2ES2;
import com.jogamp.opengl.GLProfile;
import com.jogamp.opengl.util.texture.TextureSequence;
/** A HUD tooltip for {@link Shape}, see {@link Shape#setToolTip(Tooltip)}. */
public abstract class Tooltip {
/** Default tooltip delay is {@value}ms */
public static final long DEFAULT_DELAY = 1000;
/** Delay in ms, zero implies no time based alarm */
private final long delayMS;
/** Alarm t1, time to show tooltip, i.e. t0 + delayMS, if delayMS > 0 */
private volatile long alarmT1;
/** Toggle for forced tooltip display */
private volatile boolean forced;
/** Shape 'tool' owning this tooltip. */
private Shape tool;
/** Graph's {@link Region} render modes, see {@link GLRegion#create(GLProfile, int, TextureSequence) create(..)}. */
protected final int renderModes;
protected final Vec4f backColor = new Vec4f(1, 1, 1, 0.9f);
protected final Vec4f frontColor = new Vec4f(0.2f, 0.2f, 0.2f, 1);
@Override
public String toString() {
return "Tooltip[d "+delayMS+", next "+alarmT1+", forced "+forced+"]";
}
/**
*
* @param backColor optional HUD tip background color, if null a slightly transparent white background is used
* @param frontColor optional HUD tip front color, if null an opaque almost-black is used
* @param delayMS delay until HUD tip is visible after timer start (mouse moved), zero implies no time based alarm
* @param renderModes Graph's {@link Region} render modes, see {@link GLRegion#create(GLProfile, int, TextureSequence) create(..)}.
*/
protected Tooltip(final Vec4f backColor, final Vec4f frontColor, final long delayMS, final int renderModes) {
this.delayMS = delayMS;
this.alarmT1 = 0;
this.forced = false;
this.tool = null;
this.renderModes = renderModes;
if( null != backColor ) {
this.backColor.set(backColor);
}
if( null != frontColor ) {
this.frontColor.set(frontColor);
}
}
/* pp */ final void setTool(final Shape tool) { this.tool = tool; }
/** Returns {@link Shape} 'tool' owning this tooltip, set after {@link Shape#setToolTip(Tooltip)}. */
public final Shape getTool() {
return tool;
}
/**
* Stops the timer if not enforced via {@link #now()} or {@code clearForced} is true.
* @param clearForced if true, also clears enforced flag set by {@link #now()}
* @return true if timer has been stopped, otherwise false
*/
public final boolean stop(final boolean clearForced) {
if( clearForced ) {
this.alarmT1 = 0;
this.forced = false;
return true;
} else if( !this.forced ) {
this.alarmT1 = 0;
return true;
} else {
return false;
}
}
/** Starts the timer. */
public final void start() {
if( !this.forced && delayMS > 0 ) {
this.alarmT1 = Clock.currentMillis() + delayMS;
}
}
/** Enforce tooltip display with next {@link #tick()}. */
public final void now() {
this.forced = true;
this.alarmT1 = Clock.currentMillis() - 1;
}
/** Returns true if display is enforced via {@link #now()}. */
public final boolean forced() {
return forced;
}
/**
* Send tick to this tooltip
* @return true if {@link #start() started} timer has been reached or is enforced via {@link #now()} to {@link #createTip(PMVMatrix4f)}, otherwise false
*/
public final boolean tick() {
if( 0 == alarmT1 ) {
return false;
}
if( Clock.currentMillis() < alarmT1 ) {
return false;
}
this.alarmT1 = 0;
this.forced = false;
return true;
}
/**
* Little helper for {@link #createTip(Scene, AABBox)} returning the Mv {@link AABBox} of the tool within {@link Scene} Mv space.
* <p>
* Method uses {@link #getTool()}
* <pre>
* return getTool().getBounds().transform(pmv.getMv(), new AABBox());
* </pre>
* </p>
*/
public AABBox getToolMvBounds(final PMVMatrix4f pmv) {
return getTool().getBounds().transform(pmv.getMv(), new AABBox());
}
/** Little helper for {@link #createTip(Scene, AABBox)} returning the Mv position of the tip within {@link Scene} Mv space. */
public Vec2f getTipMvPosition(final Scene scene, final PMVMatrix4f pmv, final float tipWidth, final float tipHeight) {
return getTipMvPosition(scene, getToolMvBounds(pmv), tipWidth, tipHeight);
}
/** Little helper for {@link #createTip(Scene, AABBox)} returning the Mv position of the tip @ center within {@link Scene} Mv space. */
public Vec2f getTipMvPosition(final Scene scene, final AABBox toolMvBounds, final float tipWidth, final float tipHeight) {
final AABBox sceneAABox = scene.getBounds();
final Vec2f pos = new Vec2f();
if( toolMvBounds.getCenter().x() - tipWidth/2 < sceneAABox.getLow().x() ) {
pos.setX( sceneAABox.getLow().x() );
} else if( toolMvBounds.getCenter().x() + tipWidth/2 > sceneAABox.getHigh().x() ) {
pos.setX( sceneAABox.getHigh().x() - tipWidth);
} else {
pos.setX( toolMvBounds.getCenter().x()-tipWidth/2 );
}
if( toolMvBounds.getCenter().y() + tipHeight <= sceneAABox.getHigh().y() ) {
pos.setY( toolMvBounds.getCenter().y() );
} else if( toolMvBounds.getHigh().y() >= tipHeight ) {
pos.setY( toolMvBounds.getHigh().y() - tipHeight );
} else {
pos.setY( sceneAABox.getHigh().y() - tipHeight );
}
return pos;
}
/** Little helper for {@link #createTip(Scene, AABBox)} returning the Mv position of the tip @ center within {@link Scene} Mv space. */
public Vec2f getTipMvPosition(final Scene scene, final Vec3f toolMvPos, final float tipWidth, final float tipHeight) {
final AABBox sceneAABox = scene.getBounds();
final Vec2f pos = new Vec2f();
if( toolMvPos.x() - tipWidth/2 < sceneAABox.getLow().x() ) {
pos.setX( sceneAABox.getLow().x() );
} else if( toolMvPos.x() + tipWidth/2 > sceneAABox.getHigh().x() ) {
pos.setX( sceneAABox.getHigh().x() - tipWidth);
} else {
pos.setX( toolMvPos.x()-tipWidth/2 );
}
if( toolMvPos.y() + tipHeight <= sceneAABox.getHigh().y() ) {
pos.setY( toolMvPos.y() );
} else {
pos.setY( sceneAABox.getHigh().y() - tipHeight );
}
return pos;
}
/**
* Create a new HUD tip shape, usually called by {@link Scene}
* @param scene the {@link Scene} caller for which this HUD tip shape is created
* @param toolMvBounds {@link AABBox} of the {@link #getTool()} in model-view (Mv) space of the given {@link Scene}
* @return newly created HUD tip shape
* @see #destroyTip(GL2ES2, RegionRenderer, Shape)
*/
public abstract Shape createTip(final Scene scene, AABBox toolMvBounds);
/**
* Destroy a {@link #createTip(Scene, AABBox) created} HUD tip.
* <p>
* Called after {@link Scene#removeShape(Shape)}, allowing implementation to perform certain
* resource cleanup tasks. Even keeping the {@link Shape} tip alive is possible.
* </p>
* <p>
* This default implementation simply calls {@link Shape#destroy(GL2ES2, RegionRenderer)}.
* </p>
* @param gl current {@link GL2ES2}
* @param renderModes Graph's {@link Region} render modes, see {@link GLRegion#create(GLProfile, int, TextureSequence) create(..)}.
* @param tip created tip {@link Shape} via {@link #createTip(Scene, AABBox)}
* @see #createTip(Scene, AABBox)
*/
public void destroyTip(final GL2ES2 gl, final RegionRenderer renderer, final Shape tip) {
tip.destroy(gl, renderer);
}
}
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