unity自定义ios原生键盘

最新推荐文章于 2024-01-05 22:30:18 发布

wglsdg

最新推荐文章于 2024-01-05 22:30:18 发布

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文章标签： unity ios 游戏引擎

本文链接：https://blog.csdn.net/wglsdg/article/details/126719587

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操作主要在positionInput中进行注意根据不同版本来自行定义；

#include "Keyboard.h"
#include "DisplayManager.h"
#include "UnityForwardDecls.h"
#include <string>

#ifndef FILTER_EMOJIS_IOS_KEYBOARD
#define FILTER_EMOJIS_IOS_KEYBOARD 1
#endif



static KeyboardDelegate*    _keyboard = nil;

static bool                 _shouldHideInput = false;
static bool                 _shouldHideInputChanged = false;
static const unsigned       kToolBarHeight = 40;

@implementation KeyboardDelegate
{
    UIView *_rootView;
    

    // UI handling
    // in case of single line we use UITextField inside UIToolbar
    // in case of multi-line input we use UITextView with UIToolbar as accessory view
    // toolbar buttons are kept around to prevent releasing them
    // tvOS does not support multiline input thus only UITextField option is implemented
#if UNITY_IOS
    UITextView*     textView;

    UIToolbar*      viewToolbar;
    NSArray*        viewToolbarItems;
#endif

    UITextField*    textField;

    // keep toolbar items for both single- and multi- line edit in NSArray to make sure they are kept around
#if UNITY_IOS
    UIToolbar*      fieldToolbar;
    NSArray*        fieldToolbarItems;
#endif

    // inputView is view used for actual input (it will be responder): UITextField [single-line] or UITextView [multi-line]
    // editView is the "root" view for keyboard: UIToolbar [single-line] or UITextView [multi-line]
    UIView*         inputView;
    UIView*         editView;


    CGRect          _area;
    NSString*       initialText;

    UIKeyboardType  keyboardType;

    BOOL            _multiline;
    BOOL            _inputHidden;
    BOOL            _active;
    BOOL            _done;
    BOOL            _canceled;

    // not pretty but seems like easiest way to keep "we are rotating" status
    BOOL            _rotating;
}

@synthesize area;
@synthesize active      = _active;
@synthesize done        = _done;
@synthesize canceled    = _canceled;
@synthesize text;
@synthesize selection;

-(void) getRootView:(UIView *_Nonnull)rootView{
    _rootView = rootView;
    
}

- (BOOL)textFieldShouldReturn:(UITextField*)textFieldObj
{
    [self hide];
    return YES;
}

- (void)textInputDone:(id)sender
{
    [self hide];
}

- (void)textInputCancel:(id)sender
{
    _canceled = true;
    [self hide];
}

- (BOOL)textViewShouldBeginEditing:(UITextView*)view
{
#if !UNITY_TVOS
    view.inputAccessoryView = viewToolbar;
#endif
    return YES;
}

#if UNITY_IOS
- (void)keyboardDidShow:(NSNotification*)notification
{
    if (notification.userInfo == nil || inputView == nil)
        return;

    CGRect srcRect  = [[notification.userInfo objectForKey: UIKeyboardFrameEndUserInfoKey] CGRectValue];
    CGRect rect     = [UnityGetGLView() convertRect: srcRect fromView: nil];

    [self positionInput: rect x: rect.origin.x y: rect.origin.y];
    _active = YES;
}

- (void)keyboardWillHide:(NSNotification*)notification
{
    [self systemHideKeyboard];
}

- (void)keyboardDidChangeFrame:(NSNotification*)notification
{
    _active = true;

    CGRect srcRect  = [[notification.userInfo objectForKey: UIKeyboardFrameEndUserInfoKey] CGRectValue];
    CGRect rect     = [UnityGetGLView() convertRect: srcRect fromView: nil];

    if (rect.origin.y >= [UnityGetGLView() bounds].size.height)
        [self systemHideKeyboard];
    else
        [self positionInput: rect x: rect.origin.x y: rect.origin.y];
}

#endif

+ (void)Initialize
{
    NSAssert(_keyboard == nil, @"[KeyboardDelegate Initialize] called after creating keyboard");
    if (!_keyboard)
        _keyboard = [[KeyboardDelegate alloc] init];
    
    
}

+ (KeyboardDelegate*)Instance
{
    if (!_keyboard)
        _keyboard = [[KeyboardDelegate alloc] init];

    return _keyboard;
}

#if UNITY_IOS
struct CreateToolbarResult
{
    UIToolbar*  toolbar;
    NSArray*    items;
};
- (CreateToolbarResult)createToolbarWithView:(UIView*)view
{
    UIToolbar* toolbar = [[UIToolbar alloc] initWithFrame: CGRectMake(0, 160, 320, kToolBarHeight)];
    UnitySetViewTouchProcessing(toolbar, touchesIgnored);
    toolbar.hidden = NO;

    UIBarButtonItem* inputItem  = view ? [[UIBarButtonItem alloc] initWithCustomView: view] : nil;
    UIBarButtonItem* doneItem   = [[UIBarButtonItem alloc] initWithBarButtonSystemItem: UIBarButtonSystemItemDone target: self action: @selector(textInputDone:)];
    UIBarButtonItem* cancelItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem: UIBarButtonSystemItemCancel target: self action: @selector(textInputCancel:)];

    NSArray* items = view ? @[inputItem, doneItem, cancelItem] : @[doneItem, cancelItem];
    toolbar.items = items;

    inputItem = nil;
    doneItem = nil;
    cancelItem = nil;
    
    //[view bringSubviewToFront:editView];
    //view.alpha = 0;
    

    CreateToolbarResult ret = {toolbar, items};
    return ret;
}

#endif

- (id)init
{
    NSAssert(_keybo