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能正确输入中文

master
杨栋梁 2 years ago
parent
39b23ced91
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99dcb3dbca
1 changed files with 265 additions and 226 deletions
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  1. 113
      Assets/ZFBrowser/Scripts/BrowserInput.cs

113
Assets/ZFBrowser/Scripts/BrowserInput.cs
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@ -9,28 +9,34 @@ using System.Collections.Generic;
using System.Runtime.InteropServices;
using UnityEngine;
namespace ZenFulcrum.EmbeddedBrowser {
namespace ZenFulcrum.EmbeddedBrowser
{
/** Helper class for reading data from an IUIHandler, converting it, and feeding it to the native backend. */
internal class BrowserInput {
internal class BrowserInput
{
private readonly Browser browser;
public BrowserInput(Browser browser) {
public BrowserInput(Browser browser)
{
this.browser = browser;
}
private bool kbWasFocused = false;
private bool mouseWasFocused = false;
public void HandleInput() {
public void HandleInput()
{
browser.UIHandler.InputUpdate();
bool focusChanged = false;
if (browser.UIHandler.MouseHasFocus || mouseWasFocused) {
if (browser.UIHandler.MouseHasFocus || mouseWasFocused)
{
HandleMouseInput();
}
if (browser.UIHandler.MouseHasFocus != mouseWasFocused) {
if (browser.UIHandler.MouseHasFocus != mouseWasFocused)
{
browser.UIHandler.BrowserCursor.HasMouse = browser.UIHandler.MouseHasFocus;
focusChanged = true;
}
@ -40,18 +46,24 @@ internal class BrowserInput {
if (kbWasFocused != browser.UIHandler.KeyboardHasFocus) focusChanged = true;
if (browser.UIHandler.KeyboardHasFocus) {
if (!kbWasFocused) {
if (browser.UIHandler.KeyboardHasFocus)
{
if (!kbWasFocused)
{
BrowserNative.zfb_setFocused(browser.browserId, kbWasFocused = true);
}
HandleKeyInput();
} else {
if (kbWasFocused) {
}
else
{
if (kbWasFocused)
{
BrowserNative.zfb_setFocused(browser.browserId, kbWasFocused = false);
}
}
if (focusChanged) {
if (focusChanged)
{
browser._RaiseFocusEvent(browser.UIHandler.MouseHasFocus, browser.UIHandler.KeyboardHasFocus);
}
}
@ -62,24 +74,29 @@ internal class BrowserInput {
private MouseButton prevButtons = 0;
private Vector2 prevPos;
private class ButtonHistory {
private class ButtonHistory
{
public float lastPressTime;
public int repeatCount;
public Vector3 lastPosition;
public void ButtonPress(Vector3 mousePos, IBrowserUI uiHandler, Vector2 browserSize) {
public void ButtonPress(Vector3 mousePos, IBrowserUI uiHandler, Vector2 browserSize)
{
var now = Time.realtimeSinceStartup;
if (now - lastPressTime > uiHandler.InputSettings.multiclickSpeed) {
if (now - lastPressTime > uiHandler.InputSettings.multiclickSpeed)
{
//too long ago? forget the past
repeatCount = 0;
}
if (repeatCount > 0) {
if (repeatCount > 0)
{
//close enough to be a multiclick?
var p1 = Vector2.Scale(mousePos, browserSize);
var p2 = Vector2.Scale(lastPosition, browserSize);
if (Vector2.Distance(p1, p2) > uiHandler.InputSettings.multiclickTolerance) {
if (Vector2.Distance(p1, p2) > uiHandler.InputSettings.multiclickTolerance)
{
repeatCount = 0;
}
}
@ -93,14 +110,16 @@ internal class BrowserInput {
private readonly ButtonHistory leftClickHistory = new ButtonHistory();
private void HandleMouseInput() {
private void HandleMouseInput()
{
var handler = browser.UIHandler;
var mousePos = handler.MousePosition;
var currentButtons = handler.MouseButtons;
var mouseScroll = handler.MouseScroll;
if (mousePos != prevPos) {
if (mousePos != prevPos)
{
BrowserNative.zfb_mouseMove(browser.browserId, mousePos.x, 1 - mousePos.y);
}
@ -113,20 +132,23 @@ internal class BrowserInput {
var rightChange = (prevButtons & MouseButton.Right) != (currentButtons & MouseButton.Right);
var rightDown = (currentButtons & MouseButton.Right) == MouseButton.Right;
if (leftChange) {
if (leftChange)
{
if (leftDown) leftClickHistory.ButtonPress(mousePos, handler, browser.Size);
BrowserNative.zfb_mouseButton(
browser.browserId, BrowserNative.MouseButton.MBT_LEFT, leftDown,
leftDown ? leftClickHistory.repeatCount : 0
);
}
if (middleChange) {
if (middleChange)
{
//no double-clicks, to be consistent with other browsers
BrowserNative.zfb_mouseButton(
browser.browserId, BrowserNative.MouseButton.MBT_MIDDLE, middleDown, 1
);
}
if (rightChange) {
if (rightChange)
{
//no double-clicks, to be consistent with other browsers
BrowserNative.zfb_mouseButton(
browser.browserId, BrowserNative.MouseButton.MBT_RIGHT, rightDown, 1
@ -152,20 +174,25 @@ internal class BrowserInput {
/// to prevent the backend from getting choked up and taking forever to execute the requests.
/// </summary>
/// <param name="mouseScroll"></param>
private void FeedScrolling(Vector2 mouseScroll, float scrollSpeed) {
private void FeedScrolling(Vector2 mouseScroll, float scrollSpeed)
{
accumulatedScroll += mouseScroll * scrollSpeed;
if (accumulatedScroll.sqrMagnitude != 0 && Time.realtimeSinceStartup > lastScrollEvent + maxScrollEventRate) {
if (accumulatedScroll.sqrMagnitude != 0 && Time.realtimeSinceStartup > lastScrollEvent + maxScrollEventRate)
{
//Debug.Log("Do scroll: " + accumulatedScroll);
//The backend seems to have trouble coping with horizontal AND vertical scroll. So only do one at a time.
//(And if we do both at once, vertical appears to get priority and horizontal gets ignored.)
if (Mathf.Abs(accumulatedScroll.x) > Mathf.Abs(accumulatedScroll.y)) {
if (Mathf.Abs(accumulatedScroll.x) > Mathf.Abs(accumulatedScroll.y))
{
BrowserNative.zfb_mouseScroll(browser.browserId, (int)accumulatedScroll.x, 0);
accumulatedScroll.x = 0;
accumulatedScroll.y = Mathf.Round(accumulatedScroll.y * .5f);//reduce the thing we weren't doing so it's less likely to accumulate strange
} else {
}
else
{
BrowserNative.zfb_mouseScroll(browser.browserId, 0, (int)accumulatedScroll.y);
accumulatedScroll.x = Mathf.Round(accumulatedScroll.x * .5f);
accumulatedScroll.y = 0;
@ -175,27 +202,32 @@ internal class BrowserInput {
}
}
private void HandleKeyInput() {
private void HandleKeyInput()
{
var keyEvents = browser.UIHandler.KeyEvents;
if (keyEvents.Count > 0) HandleKeyInput(keyEvents);
if (extraEventsToInject.Count > 0) {
if (extraEventsToInject.Count > 0)
{
HandleKeyInput(extraEventsToInject);
extraEventsToInject.Clear();
}
}
private void HandleKeyInput(List<Event> keyEvents) {
private void HandleKeyInput(List<Event> keyEvents)
{
#if ZF_OSX
ReconstructInputs(keyEvents);
#endif
foreach (var ev in keyEvents) {
foreach (var ev in keyEvents)
{
var keyCode = KeyMappings.GetWindowsKeyCode(ev);
if (ev.character == '\n') ev.character = '\r';//'cuz that's what Chromium expects
if (ev.character == 0) {
if (ev.character == 0)
{
if (ev.type == EventType.KeyDown) keysToReleaseOnFocusLoss.Add(ev.keyCode);
else keysToReleaseOnFocusLoss.Remove(ev.keyCode);
}
@ -208,23 +240,28 @@ internal class BrowserInput {
FireCommands(ev);
if (ev.character != 0 && ev.type == EventType.KeyDown) {
if (ev.character != 0 && ev.type == EventType.KeyDown)
{
#if ZF_LINUX
//It seems, on Linux, we don't get keydown, keypress, keyup, we just get a keypress, keyup.
//So, fire the keydown just before the keypress.
BrowserNative.zfb_keyEvent(browser.browserId, true, keyCode);
//Thanks for being consistent, Unity.
#endif
Input.imeCompositionMode = IMECompositionMode.On;
BrowserNative.zfb_characterEvent(browser.browserId, ev.character, keyCode);
} else {
}
else
{
BrowserNative.zfb_keyEvent(browser.browserId, ev.type == EventType.KeyDown, keyCode);
}
}
}
public void HandleFocusLoss() {
foreach (var keyCode in keysToReleaseOnFocusLoss) {
public void HandleFocusLoss()
{
foreach (var keyCode in keysToReleaseOnFocusLoss)
{
//Debug.Log("Key " + keyCode + " is held, release");
var wCode = KeyMappings.GetWindowsKeyCode(new Event() { keyCode = keyCode });
BrowserNative.zfb_keyEvent(browser.browserId, false, wCode);
@ -289,7 +326,8 @@ internal class BrowserInput {
*
* Also, ctrl+A stopped working with CEF at some point on Windows.
*/
protected void FireCommands(Event ev) {
protected void FireCommands(Event ev)
{
#if ZF_OSX
if (ev.type != EventType.KeyDown || ev.character != 0 || !ev.command) return;
@ -322,7 +360,8 @@ internal class BrowserInput {
//mmm, yeah. I guess Unity doesn't send us the keydown on a ctrl+a keystroke anymore.
if (ev.type != EventType.KeyUp || !ev.control) return;
switch (ev.keyCode) {
switch (ev.keyCode)
{
case KeyCode.A:
browser.SendFrameCommand(BrowserNative.FrameCommand.SelectAll);
break;

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