Mac Catalyst - macOS 控件

頂部狀態(tài)欄菜單

(這里以QQ體驗版為例)


MacCatalyst - Menu Bar.png
// 在AppDelegate.m里實現(xiàn)以下方法

#if TARGET_OS_MACCATALYST
- (void)buildMenuWithBuilder:(id<UIMenuBuilder>)builder
{
    // 移除“顯示(View)”菜單
    [builder removeMenuForIdentifier:UIMenuView];
    // 移除“格式(Format)”菜單
    [builder removeMenuForIdentifier:UIMenuFormat];
    // 移除“服務(wù)(Services)”菜單
    [builder removeMenuForIdentifier:UIMenuServices];
    // 移除“新建(New)”菜單
    [builder removeMenuForIdentifier:UIMenuNewScene];
    
    // 添加"偏好設(shè)置",以下采用的是自定義的方案(后面再提供另一種自定義"偏好設(shè)置"菜單項的方法,免去翻譯的麻煩)
    [builder removeMenuForIdentifier:UIMenuPreferences];
    UIKeyCommand *preferencesItem =
    [UIKeyCommand commandWithTitle:@"偏好設(shè)置" // 或:@"Preferences…"
                             image:nil
                            action:@selector(orderFrontPreferencesPanel:)
                             input:@","
                     modifierFlags:UIKeyModifierCommand
                      propertyList:nil];
    UIMenu *preferencesMenu     =
    [UIMenu menuWithTitle:@"Preferences"
                    image:nil
               identifier:UIMenuPreferences
                  options:UIMenuOptionsDisplayInline
                 children:@[preferencesItem]];
    [builder insertSiblingMenu:preferencesMenu afterMenuForIdentifier:UIMenuAbout];
    //[builder insertChildMenu:preferencesMenu atEndOfMenuForIdentifier:UIMenuAbout];// 多級子菜單
    
    // 添加"應(yīng)用"菜單
    UIKeyCommand *newsItem =
    [UIKeyCommand commandWithTitle:@"動態(tài)"
                             image:nil
                            action:@selector(newsMenuItemClick:)
                             input:@"1"
                     modifierFlags:UIKeyModifierCommand
                      propertyList:nil];
    
    UIKeyCommand *createGroupsItem =
    [UIKeyCommand commandWithTitle:@"創(chuàng)建群聊"
                             image:nil
                            action:@selector(createGroupsMenuItemClick:)
                             input:@"2"
                     modifierFlags:UIKeyModifierCommand
                      propertyList:nil];
    
    UIKeyCommand *addFriendItem =
    [UIKeyCommand commandWithTitle:@"加好友/群"
                             image:nil
                            action:@selector(addFriendMenuItemClick:)
                             input:@"3"
                     modifierFlags:UIKeyModifierCommand
                      propertyList:nil];
    
    UIMenu *appMenu =
    [UIMenu menuWithTitle:@"應(yīng)用"
                    image:nil
               identifier:@"com.qq.menu.app"
                  options:UIMenuOptionsDestructive
                 children:@[newsItem,createGroupsItem,addFriendItem]];
    
    [builder insertSiblingMenu:appMenu afterMenuForIdentifier:UIMenuEdit];
}

- (void)orderFrontStandardAboutPanel:(UICommand *)sender 
{
    // 如果需要自定義"關(guān)于"窗口,就實現(xiàn)此方法
}

- (void)orderFrontPreferencesPanel:(UIKeyCommand *)sender
{
    // 點擊了"偏好設(shè)置"
}

// 其他Action方法不舉例了...
#endif

另一種自定義"偏好設(shè)置"菜單項的方法,可免去翻譯的麻煩:

File -> New -> File... (或Command + N)添加一個Settings Bundle

MacCatalyst - Settings Bundle.png

然后在AppDelegate.m里實現(xiàn)以下方法(不需要上面創(chuàng)建UIMenu的代碼)

- (void)orderFrontPreferencesPanel:(UIKeyCommand *)sender
{
    // 顯示自定義的"偏好設(shè)置"窗口
}
MacCatalyst - Preferences.png

生成的語言:

構(gòu)建菜單時,菜單使用的語言跟隨啟動時的系統(tǒng)語言(macOS原生只會生成英文的菜單),使用 [[UIMenuSystem mainSystem] setNeedsRebuild] 后菜單將重置并調(diào)用- (void)buildMenuWithBuilder:(id<UIMenuBuilder>)builder方法,但是應(yīng)用程序啟動時系統(tǒng)是什么語言,生成的菜單就是使用什么語言的,就算你切換了別的系統(tǒng)語言

繼承關(guān)系:

UIMenuElement < UIMenu

UIMenuElement < UICommand < UIKeyCommand(相比UICommand多了個非全局的快捷鍵功能)

注意菜單項的propertyList(可以看作菜單項的唯一標識符)為空時action是不可以一樣的,否則報錯:

inserted menu has duplicate submenu, command or key command, or a key command is missing input or action

UIMenuBuilder協(xié)議:

// (待補充)
@property (nonatomic, readonly) UIMenuSystem *system;
// 獲取菜單項,字符串枚舉在UIMenu.h里
- (nullable UIMenu *)menuForIdentifier:(UIMenuIdentifier)identifier NS_SWIFT_NAME(menu(for:));
// (待補充)
- (nullable UIAction *)actionForIdentifier:(UIActionIdentifier)identifier NS_SWIFT_NAME(action(for:));
// 通過action或propertyList查找菜單項
- (nullable UICommand *)commandForAction:(SEL)action propertyList:(nullable id)propertyList NS_REFINED_FOR_SWIFT;
// 替換菜單
- (void)replaceMenuForIdentifier:(UIMenuIdentifier)replacedIdentifier withMenu:(UIMenu *)replacementMenu NS_SWIFT_NAME(replace(menu:with:));
// 遍歷子菜單
- (void)replaceChildrenOfMenuForIdentifier:(UIMenuIdentifier)parentIdentifier
                         fromChildrenBlock:(NSArray<UIMenuElement *> *(NS_NOESCAPE ^)(NSArray<UIMenuElement *> *))childrenBlock NS_SWIFT_NAME(replaceChildren(ofMenu:from:));
// 以展開的形式把菜單插入到指定位置(詳情見下圖)
- (void)insertSiblingMenu:(UIMenu *)siblingMenu beforeMenuForIdentifier:(UIMenuIdentifier)siblingIdentifier NS_SWIFT_NAME(insertSibling(_:beforeMenu:));
- (void)insertSiblingMenu:(UIMenu *)siblingMenu afterMenuForIdentifier:(UIMenuIdentifier)siblingIdentifier NS_SWIFT_NAME(insertSibling(_:afterMenu:));
// 以收起的形式把菜單插入到指定位置(詳情見下圖)
- (void)insertChildMenu:(UIMenu *)childMenu atStartOfMenuForIdentifier:(UIMenuIdentifier)parentIdentifier NS_SWIFT_NAME(insertChild(_:atStartOfMenu:));
- (void)insertChildMenu:(UIMenu *)childMenu atEndOfMenuForIdentifier:(UIMenuIdentifier)parentIdentifier NS_SWIFT_NAME(insertChild(_:atEndOfMenu:));
// 移除指定菜單,字符串枚舉在UIMenu.h里
- (void)removeMenuForIdentifier:(UIMenuIdentifier)removedIdentifier NS_SWIFT_NAME(remove(menu:));

Sibling Menu和Child Menu的區(qū)別(代碼示例)

UICommand *children1 =
[UICommand commandWithTitle:@"Children 1"
                      image:nil
                     action:@selector(children1Click:)
               propertyList:nil];
UICommand *children2 =
[UICommand commandWithTitle:@"Children 2"
                      image:nil
                     action:@selector(children2Click:)
               propertyList:nil];
UIMenu *menu    =
[UIMenu menuWithTitle:@"Menu"
                image:nil
           identifier:@"com.qq.menu.testMenu"
              options:UIMenuOptionsDisplayInline
             children:@[children1,children2]];
//[builder insertSiblingMenu:menu afterMenuForIdentifier:UIMenuAbout]; // Sibling Menu
//[builder insertChildMenu:menu atEndOfMenuForIdentifier:UIMenuAbout]; // Child Menu

Sibling Menu:

MacCatalyst - Sibling Menu.png

Child Menu:

MacCatalyst - Child Menu.png

UIMenuElement/UICommand/UIKeyCommand:

// 標題
@property (nonatomic, copy) NSString *title API_AVAILABLE(ios(13.0));
// 顯示在標題左邊的圖標
@property (nullable, nonatomic, copy) UIImage *image API_AVAILABLE(ios(13.0));
// 鼠標在上面停留一會后出現(xiàn)的文本提示(效果見下圖Discoverability Title)
@property (nullable, nonatomic, copy) NSString *discoverabilityTitle API_AVAILABLE(ios(9.0));
// 菜單項的propertyList為空時action是不可以一樣的
@property (nullable, nonatomic, readonly) SEL action;
// 快捷鍵(a~Z、1~9...)
@property (nullable, nonatomic, readonly) NSString *input;
// 快捷鍵的修飾鍵(Command、Shift、Option...)
@property (nonatomic, readonly) UIKeyModifierFlags modifierFlags;
// 假如action是一樣的時候,使用此屬性來區(qū)分命令,可看作為標識符
@property (nullable, nonatomic, readonly) id propertyList API_AVAILABLE(ios(13.0));
// 狀態(tài)(效果見下圖UIMenuElementAttributes)
@property (nonatomic) UIMenuElementAttributes attributes API_AVAILABLE(ios(13.0));
// 標題左邊的狀態(tài)圖標(效果見下圖UIMenuElementState)
@property (nonatomic) UIMenuElementState state API_AVAILABLE(ios(13.0));

Discoverability Title(例:discoverabilityTitle = @"Discoverability Title";)

MacCatalyst - Discoverability Title.png

UIMenuElementAttributes(UIMenuElementAttributesHidden變?yōu)椴豢梢娏耍?/p>

MacCatalyst - UIMenuElementAttributes.png

UIMenuElementState:

MacCatalyst - UIMenuElementState.png
// 快捷方式使用不同的修飾鍵執(zhí)行不同的方法,比如Command + 1執(zhí)行A方法,Command + Shift + 1執(zhí)行B方法
@property (nonatomic, readonly) NSArray<UICommandAlternate *> *alternates API_AVAILABLE(ios(13.0));

// 在上面的例子的基礎(chǔ)上修改:

// 添加"應(yīng)用"菜單
NSMutableArray *alternates = NSMutableArray.new;
[alternates addObject:[UICommandAlternate alternateWithTitle:@"動態(tài)1"
                                                      action:@selector(newsMenuItemClick1:)
                                               modifierFlags:UIKeyModifierShift]];
[alternates addObject:[UICommandAlternate alternateWithTitle:@"動態(tài)2"
                                                      action:@selector(newsMenuItemClick2:)
                                               modifierFlags:UIKeyModifierControl]];

UIKeyCommand *newsItem =
[UIKeyCommand commandWithTitle:@"動態(tài)"
                         image:nil
                        action:@selector(newsMenuItemClick:)
                         input:@"1"
                 modifierFlags:UIKeyModifierCommand
                  propertyList:nil
                    alternates:alternates];

默認情況(快捷方式:Command + 1):

MacCatalyst - Key Command Alternates Defalut.png

按下Shift鍵(快捷方式:Command + Shift + 1):

MacCatalyst - Key Command Alternates Shift.png

按下Control鍵(快捷方式:Command + Control + 1):

MacCatalyst - Key Command Alternates Control.png

鼠標跟蹤

UIHoverGestureRecognizer * hover = [[UIHoverGestureRecognizer alloc]initWithTarget:self action:@selector(hoveringWithRecognizer:)];
[View addGestureRecognizer:hover];

- (void)hoveringWithRecognizer:(UIHoverGestureRecognizer *)recognizer
{
    switch (recognizer.state) {
        case (UIGestureRecognizerStateBegan):
            NSLog(@"鼠標進入了區(qū)域");
            break;
        case (UIGestureRecognizerStateEnded):
            NSLog(@"鼠標離開了區(qū)域");
            break;
        default:
            break;
    }
}

窗口設(shè)置

- (void)scene:(UIScene *)scene willConnectToSession:(UISceneSession *)session options:(UISceneConnectionOptions *)connectionOptions API_AVAILABLE(ios(13.0)){
    
#if TARGET_OS_MACCATALYST
    UIWindowScene *windowScene  = (UIWindowScene *)scene;
    // 需要乘以1.3才是實際顯示在桌面上的大小
    // minimumSize不能少于515 × 370(需要乘以1.3)
    // 但能通過設(shè)置maximumSize無視不能小于515 × 370(需要乘以1.3)的限制
    windowScene.sizeRestrictions.minimumSize =
    windowScene.sizeRestrictions.maximumSize = CGSizeMake(200 * 1.3, 130 * 1.3);
    
    UITitlebar *titlebar        = windowScene.titlebar;
    // 不要顯示窗口工具欄的標題
    titlebar.titleVisibility    = UITitlebarTitleVisibilityHidden;
    // 不要顯示窗口頂部的工具欄,需隱藏窗口工具欄的標題才能生效
    titlebar.toolbar.visible    = NO;
#endif
}
MacCatalyst - Toolbar Hidden.png

工具欄

需要先導(dǎo)入AppKit框架

#if TARGET_OS_MACCATALYST
#import <AppKit/AppKit.h>
#endif

遵循<NSToolbarDelegate>協(xié)議

#if TARGET_OS_MACCATALYST
@interface SceneDelegate () <NSToolbarDelegate>
#else
@interface SceneDelegate ()
#endif

然后在Scene Delegate里添加代碼,例:

- (void)scene:(UIScene *)scene willConnectToSession:(UISceneSession *)session options:(UISceneConnectionOptions *)connectionOptions API_AVAILABLE(ios(13.0)) {

#if TARGET_OS_MACCATALYST
    UITitlebar *titlebar        = self.window.windowScene.titlebar;
    NSToolbar *toolbar          = [[NSToolbar alloc] initWithIdentifier:@"DefaultToolbar"];
    titlebar.toolbar            = toolbar;
    toolbar.delegate            = self;
    toolbar.displayMode         = NSToolbarDisplayModeIconOnly;
#endif
}

#if TARGET_OS_MACCATALYST
-(NSArray<NSToolbarItemIdentifier> *)toolbarAllowedItemIdentifiers:(NSToolbar *)toolbar{
    return @[@"ToolbarAddItem",@"ToolbarRemoveItem"];
}

-(NSArray<NSToolbarItemIdentifier> *)toolbarDefaultItemIdentifiers:(NSToolbar *)toolbar{
    return @[@"ToolbarAddItem",@"ToolbarRemoveItem"];
}

- (NSToolbarItem *)toolbar:(NSToolbar *)toolbar itemForItemIdentifier:(NSString *)itemIdentifier willBeInsertedIntoToolbar:(BOOL)flag {
    
    // 根據(jù)item標識返回每個具體的NSToolbarItem對象實例(設(shè)置title或image后target需要重新設(shè)置,否則出現(xiàn)不能點擊的問題)
    NSToolbarItem *toolbarItem  = [[NSToolbarItem alloc] initWithItemIdentifier:itemIdentifier];
    toolbarItem.bordered        = YES;
    
    if ([itemIdentifier isEqualToString:@"ToolbarAddItem"]) {
        toolbarItem.title       = @"添加";
        toolbarItem.target      = self;
        toolbarItem.action      = @selector(toolbarAddItemClicked:);
        
    } else if ([itemIdentifier isEqualToString:@"ToolbarRemoveItem"]) {
        toolbarItem.title       = @"移除";
        toolbarItem.target      = self;
        toolbarItem.action      = @selector(toolbarRemoveItemClicked:);
        
    } else {
        toolbarItem             = nil;
    }
    return toolbarItem;
}

- (void)toolbarAddItemClicked:(NSToolbarItem *)sender{
    NSLog(@"點擊了 %@",sender.title);
}

- (void)toolbarRemoveItemClicked:(NSToolbarItem *)sender{
    NSLog(@"點擊了 %@",sender.title);
}
#endif
MacCatalyst - Toolbar.png

右鍵菜單

需要遵循<UIContextMenuInteractionDelegate>協(xié)議,且在視圖對象初始化時調(diào)用-addInteraction:方法

UIContextMenuInteraction *interaction = [[UIContextMenuInteraction alloc] initWithDelegate:self];
[view addInteraction:interaction];

然后實現(xiàn)此方法

- (UIContextMenuConfiguration *)contextMenuInteraction:(UIContextMenuInteraction *)interaction configurationForMenuAtLocation:(CGPoint)location;

例子:

@interface ViewController ()<UITableViewDelegate,UITableViewDataSource,UIContextMenuInteractionDelegate>

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.tableview.delegate = self;
    self.tableview.dataSource = self;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return 10;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"1"];
    if (cell == nil) {
        cell = [[UITableViewCell alloc] initWithStyle:0 reuseIdentifier:@"1"];
        // 視圖對象初始化時調(diào)用
        if (@available(iOS 13.0, *)) {
            UIContextMenuInteraction *interaction = [[UIContextMenuInteraction alloc] initWithDelegate:self];
            [cell addInteraction:interaction];
        }
    }
    cell.textLabel.text = [NSString stringWithFormat:@"Row = %ld",indexPath.row];
    
    return cell;
}

- (UIContextMenuConfiguration *)contextMenuInteraction:(UIContextMenuInteraction *)interaction configurationForMenuAtLocation:(CGPoint)location API_AVAILABLE(ios(13.0)) 
{
    return [UIContextMenuConfiguration configurationWithIdentifier:nil previewProvider:nil actionProvider:^UIMenu * _Nullable(NSArray<UIMenuElement *> * _Nonnull suggestedActions) {
        
        // 一般使用UIAction或UICommand對象
        NSMutableArray <UIMenuElement *>*children = NSMutableArray.new;
        
        [children addObject:[UIAction actionWithTitle:@"菜單項1" image:nil identifier:nil handler:^(__kindof UIAction * _Nonnull action) {
            NSLog(@"點擊了菜單項1");
        }]];
        
        [children addObject:[UICommand commandWithTitle:@"菜單項2" image:nil action:@selector(menuItem2Clicked:) propertyList:nil]];
        
        return [UIMenu menuWithTitle:@"Menu" children:children];
    }];
}

- (void)menuItem2Clicked:(UICommand *)sender API_AVAILABLE(ios(13.0)) 
{
    NSLog(@"點擊了菜單項2");
}

@end
MacCatalyst - Mouse Right Menu.png

示例代碼:https://github.com/LeungKinKeung/MacCatalyst

如果需要使用更多AppKit的控件,請參閱《Mac Catalyst - macOS AppKit 插件》

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