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Dispatch HTML5 window resize if parent element is resized

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This commit is contained in:
Joshua Granick
2017-02-21 15:41:20 -08:00
parent f1e5d40b8e
commit 40f5e63341
2 changed files with 123 additions and 90 deletions
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17
lime/_backend/html5/HTML5Application.hx
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@@ -224,6 +224,12 @@ class HTML5Application {
private function handleApplicationEvent (?__):Void {
if (parent.window != null) {
parent.window.backend.updateSize ();
}
updateGameDevices ();
currentUpdate = Date.now ().getTime ();
@@ -337,16 +343,7 @@ class HTML5Application {
case "resize":
var cacheWidth = parent.window.width;
var cacheHeight = parent.window.height;
parent.window.backend.handleResize ();
if (parent.window.width != cacheWidth || parent.window.height != cacheHeight) {
parent.window.onResize.dispatch (parent.window.width, parent.window.height);
}
parent.window.backend.handleResizeEvent (event);
case "beforeunload":

196
lime/_backend/html5/HTML5Window.hx
View File

@@ -43,6 +43,8 @@ class HTML5Window {
public var stats:Dynamic;
#end
private var cacheElementHeight:Float;
private var cacheElementWidth:Float;
private var cacheMouseX:Float;
private var cacheMouseY:Float;
private var currentTouches = new Map<Int, Touch> ();
@@ -156,6 +158,9 @@ class HTML5Window {
}
cacheElementWidth = parent.width;
cacheElementHeight = parent.height;
parent.fullscreen = true;
}
@@ -175,7 +180,7 @@ class HTML5Window {
}
handleResize ();
updateSize ();
if (element != null) {
@@ -463,87 +468,10 @@ class HTML5Window {
}
private function handleResize ():Void {
private function handleResizeEvent (event:js.html.Event):Void {
primaryTouch = null;
var stretch = parent.fullscreen || (setWidth == 0 && setHeight == 0);
if (element != null && (div == null || (div != null && stretch))) {
if (stretch) {
if (parent.width != element.clientWidth || parent.height != element.clientHeight) {
parent.width = element.clientWidth;
parent.height = element.clientHeight;
if (canvas != null) {
if (element != cast canvas) {
canvas.width = Math.round (element.clientWidth * scale);
canvas.height = Math.round (element.clientHeight * scale);
canvas.style.width = element.clientWidth + "px";
canvas.style.height = element.clientHeight + "px";
}
} else {
div.style.width = element.clientWidth + "px";
div.style.height = element.clientHeight + "px";
}
}
} else {
var scaleX = (setWidth != 0) ? (element.clientWidth / setWidth) : 1;
var scaleY = (setHeight != 0) ? (element.clientHeight / setHeight) : 1;
var targetWidth = element.clientWidth;
var targetHeight = element.clientHeight;
var marginLeft = 0;
var marginTop = 0;
if (scaleX < scaleY) {
targetHeight = Math.floor (setHeight * scaleX);
marginTop = Math.floor ((element.clientHeight - targetHeight) / 2);
} else {
targetWidth = Math.floor (setWidth * scaleY);
marginLeft = Math.floor ((element.clientWidth - targetWidth) / 2);
}
if (canvas != null) {
if (element != cast canvas) {
canvas.style.width = targetWidth + "px";
canvas.style.height = targetHeight + "px";
canvas.style.marginLeft = marginLeft + "px";
canvas.style.marginTop = marginTop + "px";
}
} else {
div.style.width = targetWidth + "px";
div.style.height = targetHeight + "px";
div.style.marginLeft = marginLeft + "px";
div.style.marginTop = marginTop + "px";
}
}
}
updateSize ();
}
@@ -871,4 +799,112 @@ class HTML5Window {
}
private function updateSize ():Void {
var elementWidth, elementHeight;
if (element != null) {
elementWidth = element.clientWidth;
elementHeight = element.clientHeight;
} else {
elementWidth = Browser.window.innerWidth;
elementHeight = Browser.window.innerHeight;
}
trace (elementWidth, elementHeight);
if (elementWidth != cacheElementWidth || elementHeight != cacheElementHeight) {
cacheElementWidth = elementWidth;
cacheElementHeight = elementHeight;
var stretch = parent.fullscreen || (setWidth == 0 && setHeight == 0);
if (element != null && (div == null || (div != null && stretch))) {
if (stretch) {
if (parent.width != elementWidth || parent.height != elementHeight) {
parent.width = elementWidth;
parent.height = elementHeight;
if (canvas != null) {
if (element != cast canvas) {
canvas.width = Math.round (elementWidth * scale);
canvas.height = Math.round (elementHeight * scale);
canvas.style.width = elementWidth + "px";
canvas.style.height = elementHeight + "px";
}
} else {
div.style.width = elementWidth + "px";
div.style.height = elementHeight + "px";
}
parent.onResize.dispatch (elementWidth, elementHeight);
}
} else {
var scaleX = (setWidth != 0) ? (elementWidth / setWidth) : 1;
var scaleY = (setHeight != 0) ? (elementHeight / setHeight) : 1;
var targetWidth = elementWidth;
var targetHeight = elementHeight;
var marginLeft = 0;
var marginTop = 0;
if (scaleX < scaleY) {
targetHeight = Math.floor (setHeight * scaleX);
marginTop = Math.floor ((elementHeight - targetHeight) / 2);
} else {
targetWidth = Math.floor (setWidth * scaleY);
marginLeft = Math.floor ((elementWidth - targetWidth) / 2);
}
if (canvas != null) {
if (element != cast canvas) {
canvas.style.width = targetWidth + "px";
canvas.style.height = targetHeight + "px";
canvas.style.marginLeft = marginLeft + "px";
canvas.style.marginTop = marginTop + "px";
}
} else {
div.style.width = targetWidth + "px";
div.style.height = targetHeight + "px";
div.style.marginLeft = marginLeft + "px";
div.style.marginTop = marginTop + "px";
}
}
}
}
}
}