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gwt: get multitouch events

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This commit is contained in:
Hannes Janetzek
2013-06-30 08:50:20 +02:00
parent 099ab0e817
commit 5c1c634e85
1 changed files with 495 additions and 421 deletions
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196
vtm-gdx-html/src/org/oscim/gdx/emu/com/badlogic/gdx/backends/gwt/GwtInput.java
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@@ -26,10 +26,12 @@ import com.badlogic.gdx.backends.gwt.widgets.TextInputDialogBox;
import com.badlogic.gdx.backends.gwt.widgets.TextInputDialogBox.TextInputDialogListener;
import com.badlogic.gdx.utils.TimeUtils;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArray;
import com.google.gwt.dom.client.CanvasElement;
import com.google.gwt.dom.client.Document;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.NativeEvent;
import com.google.gwt.dom.client.Touch;
import com.google.gwt.event.dom.client.KeyCodes;
public class GwtInput implements Input {
@@ -73,7 +75,8 @@ public class GwtInput implements Input {
@Override
public int getX(int pointer) {
if (pointer != 0) return 0;
if (pointer != 0)
return 0;
return mouseX;
}
@@ -84,7 +87,8 @@ public class GwtInput implements Input {
@Override
public int getDeltaX(int pointer) {
if (pointer != 0) return 0;
if (pointer != 0)
return 0;
return deltaX;
}
@@ -95,7 +99,8 @@ public class GwtInput implements Input {
@Override
public int getY(int pointer) {
if (pointer != 0) return 0;
if (pointer != 0)
return 0;
return mouseY;
}
@@ -106,7 +111,8 @@ public class GwtInput implements Input {
@Override
public int getDeltaY(int pointer) {
if (pointer != 0) return 0;
if (pointer != 0)
return 0;
return deltaY;
}
@@ -122,7 +128,8 @@ public class GwtInput implements Input {
@Override
public boolean isTouched(int pointer) {
if (pointer != 0) return false;
if (pointer != 0)
return false;
return touched;
}
@@ -133,7 +140,8 @@ public class GwtInput implements Input {
@Override
public boolean isKeyPressed(int key) {
if (key == Keys.ANY_KEY) return pressedKeys.size() > 0;
if (key == Keys.ANY_KEY)
return pressedKeys.size() > 0;
return pressedKeys.contains(key);
}
@@ -239,12 +247,18 @@ public class GwtInput implements Input {
@Override
public boolean isPeripheralAvailable(Peripheral peripheral) {
if (peripheral == Peripheral.Accelerometer) return false;
if (peripheral == Peripheral.Compass) return false;
if (peripheral == Peripheral.HardwareKeyboard) return true;
if (peripheral == Peripheral.MultitouchScreen) return false;
if (peripheral == Peripheral.OnscreenKeyboard) return false;
if (peripheral == Peripheral.Vibrator) return false;
if (peripheral == Peripheral.Accelerometer)
return false;
if (peripheral == Peripheral.Compass)
return false;
if (peripheral == Peripheral.HardwareKeyboard)
return true;
if (peripheral == Peripheral.MultitouchScreen)
return false;
if (peripheral == Peripheral.OnscreenKeyboard)
return false;
if (peripheral == Peripheral.Vibrator)
return false;
return false;
}
@@ -258,8 +272,11 @@ public class GwtInput implements Input {
return Orientation.Landscape;
}
/** from https://github.com/toji/game-shim/blob/master/game-shim.js
* @return is Cursor catched */
/**
* from https://github.com/toji/game-shim/blob/master/game-shim.js
*
* @return is Cursor catched
*/
private native boolean isCursorCatchedJSNI() /*-{
if (!navigator.pointer) {
navigator.pointer = navigator.webkitPointer || navigator.mozPointer;
@@ -279,8 +296,11 @@ public class GwtInput implements Input {
return false;
}-*/;
/** from https://github.com/toji/game-shim/blob/master/game-shim.js
* @param element Canvas */
/**
* from https://github.com/toji/game-shim/blob/master/game-shim.js
*
* @param element Canvas
*/
private native void setCursorCatchedJSNI(CanvasElement element) /*-{
// Navigator pointer is not the right interface according to spec.
// Here for backwards compatibility only
@@ -290,9 +310,8 @@ public class GwtInput implements Input {
// element.requestPointerLock
if (!element.requestPointerLock) {
element.requestPointerLock = (function() {
return element.webkitRequestPointerLock ||
element.mozRequestPointerLock ||
function(){
return element.webkitRequestPointerLock
|| element.mozRequestPointerLock || function() {
if (navigator.pointer) {
navigator.pointer.lock(element);
}
@@ -306,9 +325,8 @@ public class GwtInput implements Input {
private native void exitCursorCatchedJSNI() /*-{
if (!$doc.exitPointerLock) {
$doc.exitPointerLock = (function() {
return $doc.webkitExitPointerLock ||
$doc.mozExitPointerLock ||
function(){
return $doc.webkitExitPointerLock || $doc.mozExitPointerLock
|| function() {
if (navigator.pointer) {
var elem = this;
navigator.pointer.unlock();
@@ -318,22 +336,31 @@ public class GwtInput implements Input {
}
}-*/;
/** from https://github.com/toji/game-shim/blob/master/game-shim.js
/**
* from https://github.com/toji/game-shim/blob/master/game-shim.js
*
* @param event JavaScript Mouse Event
* @return movement in x direction */
* @return movement in x direction
*/
private native float getMovementXJSNI(NativeEvent event) /*-{
return event.movementX || event.webkitMovementX || 0;
}-*/;
/** from https://github.com/toji/game-shim/blob/master/game-shim.js
/**
* from https://github.com/toji/game-shim/blob/master/game-shim.js
*
* @param event JavaScript Mouse Event
* @return movement in y direction */
* @return movement in y direction
*/
private native float getMovementYJSNI(NativeEvent event) /*-{
return event.movementY || event.webkitMovementY || 0;
}-*/;
/** works only for Chrome > Version 18 with enabled Mouse Lock enable in about:flags or start Chrome with the
* --enable-pointer-lock flag */
/**
* works only for Chrome > Version 18 with enabled Mouse Lock enable in
* about:flags or start Chrome with the
* --enable-pointer-lock flag
*/
@Override
public void setCursorCatched(boolean catched) {
if (catched)
@@ -353,7 +380,8 @@ public class GwtInput implements Input {
}
// kindly borrowed from our dear playn friends...
static native void addEventListener (JavaScriptObject target, String name, GwtInput handler, boolean capture) /*-{
static native void addEventListener(JavaScriptObject target, String name, GwtInput handler,
boolean capture) /*-{
target
.addEventListener(
name,
@@ -404,12 +432,14 @@ public class GwtInput implements Input {
/** Kindly borrowed from PlayN. **/
protected static float getRelativeX(NativeEvent e, Element target) {
return e.getClientX() - target.getAbsoluteLeft() + target.getScrollLeft() + target.getOwnerDocument().getScrollLeft();
return e.getClientX() - target.getAbsoluteLeft() + target.getScrollLeft()
+ target.getOwnerDocument().getScrollLeft();
}
/** Kindly borrowed from PlayN. **/
protected static float getRelativeY(NativeEvent e, Element target) {
return e.getClientY() - target.getAbsoluteTop() + target.getScrollTop() + target.getOwnerDocument().getScrollTop();
return e.getClientY() - target.getAbsoluteTop() + target.getScrollTop()
+ target.getOwnerDocument().getScrollTop();
}
private void hookEvents() {
@@ -423,22 +453,71 @@ public class GwtInput implements Input {
addEventListener(Document.get(), "keydown", this, false);
addEventListener(Document.get(), "keyup", this, false);
addEventListener(Document.get(), "keypress", this, false);
addEventListener(canvas, "touchstart", this, true);
addEventListener(Document.get(), "touchstart", this, true);
addEventListener(canvas, "touchend", this, true);
addEventListener(Document.get(), "touchend", this, true);
addEventListener(canvas, "touchmove", this, true);
addEventListener(Document.get(), "touchmove", this, true);
}
private int getButton(int button) {
if (button == NativeEvent.BUTTON_LEFT) return Buttons.LEFT;
if (button == NativeEvent.BUTTON_RIGHT) return Buttons.RIGHT;
if (button == NativeEvent.BUTTON_MIDDLE) return Buttons.MIDDLE;
if (button == NativeEvent.BUTTON_LEFT)
return Buttons.LEFT;
if (button == NativeEvent.BUTTON_RIGHT)
return Buttons.RIGHT;
if (button == NativeEvent.BUTTON_MIDDLE)
return Buttons.MIDDLE;
return Buttons.LEFT;
}
private void handleEvent(NativeEvent e) {
if (e.getType().equals("mousedown")) {
double r = GwtGraphics.getDevicePixelRatioJSNI();
if (e.getType().equals("touchstart")) {
this.justTouched = true;
this.deltaX = 0;
this.deltaY = 0;
this.currentEventTimeStamp = TimeUtils.nanoTime();
if (processor != null) {
e.preventDefault();
JsArray<Touch> ts = e.getChangedTouches();
for (int i = 0, n = ts.length(); i < n; i++) {
Touch t = ts.get(i);
processor.touchDown((int)(r * t.getClientX()), (int) (r * t.getClientY()), t.getIdentifier(),
Buttons.LEFT);
}
}
} else if (e.getType().equals("touchend")) {
this.currentEventTimeStamp = TimeUtils.nanoTime();
if (processor != null) {
e.preventDefault();
JsArray<Touch> ts = e.getChangedTouches();
for (int i = 0, n = ts.length(); i < n; i++) {
Touch t = ts.get(i);
processor.touchUp((int)(r * t.getClientX()), (int) (r * t.getClientY()), t.getIdentifier(),
Buttons.LEFT);
}
}
} else if (e.getType().equals("touchmove")) {
this.currentEventTimeStamp = TimeUtils.nanoTime();
if (processor != null) {
e.preventDefault();
JsArray<Touch> ts = e.getChangedTouches();
for (int i = 0, n = ts.length(); i < n; i++) {
Touch t = ts.get(i);
processor.touchDragged((int)(r * t.getClientX()), (int) (r * t.getClientY()), t.getIdentifier());
}
}
} else if (e.getType().equals("mousedown")) {
if (!e.getEventTarget().equals(canvas) || touched) {
float mouseX = (int) getRelativeX(e, canvas);
float mouseY = (int) getRelativeY(e, canvas);
if (mouseX < 0 || mouseX > Gdx.graphics.getWidth() || mouseY < 0 || mouseY > Gdx.graphics.getHeight()) {
if (mouseX < 0 || mouseX > Gdx.graphics.getWidth() || mouseY < 0
|| mouseY > Gdx.graphics.getHeight()) {
hasFocus = false;
}
return;
@@ -457,10 +536,9 @@ public class GwtInput implements Input {
this.mouseY = (int) getRelativeY(e, canvas);
}
this.currentEventTimeStamp = TimeUtils.nanoTime();
if (processor != null) processor.touchDown(mouseX, mouseY, 0, getButton(e.getButton()));
}
if (e.getType().equals("mousemove")) {
if (processor != null)
processor.touchDown(mouseX, mouseY, 0, getButton(e.getButton()));
} else if (e.getType().equals("mousemove")) {
if (isCursorCatched()) {
this.deltaX = (int) getMovementXJSNI(e);
this.deltaY = (int) getMovementYJSNI(e);
@@ -479,10 +557,9 @@ public class GwtInput implements Input {
else
processor.mouseMoved(mouseX, mouseY);
}
}
if (e.getType().equals("mouseup")) {
if (!touched) return;
} else if (e.getType().equals("mouseup")) {
if (!touched)
return;
this.pressedButtons.remove(getButton(e.getButton()));
this.touched = pressedButtons.size() > 0;
if (isCursorCatched()) {
@@ -498,10 +575,9 @@ public class GwtInput implements Input {
}
this.currentEventTimeStamp = TimeUtils.nanoTime();
this.touched = false;
if (processor != null) processor.touchUp(mouseX, mouseY, 0, getButton(e.getButton()));
}
if (e.getType().equals("keydown") && hasFocus) {
if (processor != null)
processor.touchUp(mouseX, mouseY, 0, getButton(e.getButton()));
} else if (e.getType().equals("keydown") && hasFocus) {
System.out.println("keydown");
int code = keyForCode(e.getKeyCode());
if (code == 67) {
@@ -512,27 +588,25 @@ public class GwtInput implements Input {
}
} else {
this.pressedKeys.add(code);
if (processor != null) processor.keyDown(code);
if (processor != null)
processor.keyDown(code);
}
}
if (e.getType().equals("keypress") && hasFocus) {
} else if (e.getType().equals("keypress") && hasFocus) {
System.out.println("keypress");
char c = (char) e.getCharCode();
if (processor != null) processor.keyTyped(c);
}
if (e.getType().equals("keyup") && hasFocus) {
if (processor != null)
processor.keyTyped(c);
} else if (e.getType().equals("keyup") && hasFocus) {
System.out.println("keyup");
int code = keyForCode(e.getKeyCode());
this.pressedKeys.remove(code);
if (processor != null) processor.keyUp(code);
}
if (e.getType().equals("mousewheel") ||e.getType().equals("DOMMouseScroll")){
if (processor != null)
processor.keyUp(code);
} else if (e.getType().equals("mousewheel") || e.getType().equals("DOMMouseScroll")) {
float dir = getMouseWheelVelocity(e);
if (dir != 0 && processor != null) processor.scrolled(dir > 0 ? 1 : -1);
if (dir != 0 && processor != null)
processor.scrolled(dir > 0 ? 1 : -1);
}