{"id":560,"date":"2012-09-13T11:44:58","date_gmt":"2012-09-13T03:44:58","guid":{"rendered":"http:\/\/xujiwei.com\/blog\/?p=560"},"modified":"2016-12-27T17:02:54","modified_gmt":"2016-12-27T09:02:54","slug":"a-borderless-window-can-move-anywhere-in-mac-os-x","status":"publish","type":"post","link":"https:\/\/xujiwei.com\/blog\/2012\/09\/a-borderless-window-can-move-anywhere-in-mac-os-x\/","title":{"rendered":"Mac OS X \u4e2d\u5b9e\u73b0\u652f\u6301\u4efb\u610f\u4f4d\u7f6e\u62d6\u52a8\u7684\u4e0d\u89c4\u5219\u7a97\u4f53"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 ez-toc-wrap-right counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<p class=\"ez-toc-title\">\u6587\u7ae0\u76ee\u5f55<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69d576621d844\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: 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\u65f6\uff0c\u6839\u636e\u89c6\u89c9\u8bbe\u8ba1\u5e08\u7684\u9700\u8981\uff0c\u6709\u4e9b\u65f6\u5019\u4f1a\u8981\u5b9e\u73b0\u4e00\u4e9b\u4e0d\u89c4\u5219\u7684\u7a97\u53e3\u3002\u4e00\u822c\u4e0d\u89c4\u5219\u7a97\u53e3\u90fd\u4e0d\u5305\u542b Mac OS X \u6807\u51c6\u7a97\u53e3\u7684\u6807\u9898\u680f\uff0c\u8fd9\u6837\u7528\u6237\u5c31\u6ca1\u6709\u529e\u6cd5\u901a\u8fc7\u62d6\u52a8\u6807\u9898\u680f\u6765\u62d6\u52a8\u7a97\u53e3\u3002<\/p>\n<p>\u4e3a\u4e86\u80fd\u8ba9\u7528\u6237\u62d6\u52a8\u4e00\u4e2a\u65e0\u6807\u9898\u680f\u7684\u7a97\u53e3\uff0c\u6211\u4eec\u5c31\u9700\u8981\u81ea\u5df1\u53bb\u5904\u7406\u8fd9\u4e2a\u79fb\u52a8\u7a97\u53e3\u7684\u8fc7\u7a0b\u3002\u53e6\u5916\uff0c\u7531\u4e8e\u7a97\u53e3\u6709\u53ef\u80fd\u662f\u4e0d\u89c4\u5219\u7684\uff0c\u90a3\u4e48\u540c\u6837\u5c31\u6ca1\u6709\u529e\u6cd5\u62d6\u52a8\u7a97\u53e3\u8fb9\u7f18\u6765\u6539\u53d8\u7a97\u53e3\u5927\u5c0f\u4e86\uff0c\u540c\u6837\u9700\u8981\u81ea\u5df1\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<p>\u56e0\u4e3a\u8981\u5904\u7406\u9f20\u6807\u70b9\u51fb\u4e8b\u4ef6\uff0c\u56e0\u6b64\u6211\u4eec\u5148\u521b\u5efa\u4e00\u4e2a\u7ee7\u627f\u4e8e NSWindow \u7684\u7c7b JWBorderlessWindow\uff0c\u4ee5\u4e0b\u4ee3\u7801\u90fd\u662f\u6b64\u7c7b\u7684\u4ee3\u7801\u5b9e\u73b0\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E5%88%9D%E6%AD%A5%E5%AE%9E%E7%8E%B0\"><\/span>\u521d\u6b65\u5b9e\u73b0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<pre lang=\"objc\">\n\/\/\n\/\/  JWBorderlessWindow\n\/\/\n\/\/  Created by Xu Jiwei on 12-9-3.\n\/\/  Copyright (c) 2012 xujiwei.com. All rights reserved.\n\/\/\n\n@implementation JWBorderlessWindow\n\n- (BOOL)canBecomeKeyWindow {\n    return YES;\n}\n\n\n- (BOOL)canBecomeMainWindow {\n    return YES;\n}\n\n\n- (NSRect)resizeAreaRect {\n    const CGFloat resizeBoxSize = 20.0;\n    \n    \/\/ \u7a97\u53e3\u53f3\u4e0b\u89d2 20x20 \u7684\u533a\u57df\u4e3a\u6539\u53d8\u7a97\u53e3\u7684\u533a\u57df\n    NSRect frame = [self frame];\n    NSRect resizeRect = NSMakeRect(frame.size.width - resizeBoxSize, 0,\n                                   resizeBoxSize, resizeBoxSize);\n    \n    return resizeRect;\n}\n\n\n\/\/ \u5904\u7406\u9f20\u6807\u6309\u4e0b\u4e8b\u4ef6\n- (void)mouseDown:(NSEvent *)event {\n    NSPoint pointInView = [event locationInWindow];\n    \n    \/\/ \u5224\u65ad\u662f\u5426\u70b9\u51fb\u5728\u6539\u53d8\u7a97\u53e3\u5927\u5c0f\u533a\u57df\n    BOOL resize = NSPointInRect(pointInView, [self resizeAreaRect]);\n    \n    NSWindow *window = self;\n    NSPoint originalMouseLocation = [window convertBaseToScreen:[event locationInWindow]];\n    NSRect originalFrame = [window frame];\n    \n    while (YES) {\n        \/\/ \u6355\u83b7\u9f20\u6807\u62d6\u52a8\u6216\u9f20\u6807\u6309\u952e\u5f39\u8d77\u4e8b\u4ef6\n        NSEvent *newEvent = [window nextEventMatchingMask:(NSLeftMouseDraggedMask | NSLeftMouseUpMask)];\n        \n        if ([newEvent type] == NSLeftMouseUp) {\n            break;\n        }\n        \n        \/\/ \u8ba1\u7b97\u9f20\u6807\u79fb\u52a8\u7684\u504f\u79fb\n        NSPoint newMouseLocation = [window convertBaseToScreen:[newEvent locationInWindow]];\n        NSPoint delta = NSMakePoint(newMouseLocation.x - originalMouseLocation.x,\n                                    newMouseLocation.y - originalMouseLocation.y);\n        \n        NSRect newFrame = originalFrame;\n        \n        if (!resize) {\n            \/\/ \u79fb\u52a8\u7a97\u53e3\n            newFrame.origin.x += delta.x;\n            newFrame.origin.y += delta.y;\n            \n        } else {\n            NSSize maxSize = [window maxSize];\n            NSSize minSize = [window minSize];\n            \n            \/\/ \u6539\u53d8\u7a97\u53e3\u5927\u5c0f\n            newFrame.size.width += delta.x;\n            newFrame.size.height -= delta.y;\n            \n            \/\/ \u63a7\u5236\u7a97\u53e3\u5927\u5c0f\u5728\u9650\u5236\u8303\u56f4\u5185\n            newFrame.size.width = MIN(MAX(newFrame.size.width, minSize.width), maxSize.width);\n            newFrame.size.height = MIN(MAX(newFrame.size.height, minSize.height), maxSize.height);\n            newFrame.origin.y -= newFrame.size.height - originalFrame.size.height;\n        }\n        \n        [window setFrame:newFrame display:YES animate:NO];\n    }\n}\n\n@end\n<\/pre>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u501f\u9274\u81ea RoundWindow \u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n<p>\u8fd9\u4e9b\u4ee3\u7801\u5c31\u5b9e\u73b0\u4e86\u70b9\u51fb\u7a97\u53e3\u5c31\u53ef\u4ee5\u62d6\u52a8\u7a97\u53e3\uff0c\u70b9\u51fb resizeAreaRect \u6240\u8fd4\u56de\u7684\u533a\u57df\u5c31\u53ef\u4ee5\u6539\u53d8\u7a97\u53e3\u5927\u5c0f\u3002<\/p>\n<p>\u4f46\u662f\u5728\u7528\u7684\u65f6\u5019\uff0c\u4f1a\u53d1\u73b0\u4e00\u4e2a\u95ee\u9898\uff0c\u5982\u679c\u8fd9\u4e2a\u7a97\u53e3\u4e0a\u6709\u63a7\u4ef6\u7684\u8bdd\uff0c\u4f8b\u5982\u6709\u6309\u94ae\u3001\u6587\u672c\u6846\u7b49\u63a7\u4ef6\uff0c\u90a3\u4e48\u5c31\u9f20\u6807\u70b9\u51fb\u5728\u6309\u94ae\u4e0a\u65f6\uff0c\u5c31\u65e0\u6cd5\u62d6\u52a8\u8fd9\u4e2a\u7a97\u53e3\u4e86\u3002<\/p>\n<p>\u6709\u4e9b\u65f6\u5019\u53ef\u80fd\u6574\u4e2a\u7a97\u53e3\u662f\u4e00\u4e2a\u5217\u8868\uff0c\u6ca1\u6709\u7a7a\u4f59\u7684\u5730\u65b9\u9732\u51fa Window \u672c\u8eab\uff0c\u90a3\u60f3\u8981\u62d6\u52a8\u7a97\u53e3\u5c31\u4f1a\u53d8\u5f97\u5f88\u9ebb\u70e6\u4e86\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E5%AE%9E%E7%8E%B0%E4%BB%BB%E6%84%8F%E4%BD%8D%E7%BD%AE%E7%A7%BB%E5%8A%A8\"><\/span>\u5b9e\u73b0\u4efb\u610f\u4f4d\u7f6e\u79fb\u52a8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u56e0\u4e3a NSWindow \u7684 mouseDown: \u65b9\u6cd5\uff0c\u53ea\u4f1a\u5728\u70b9\u51fb\u5728\u7a97\u53e3\u672c\u8eab\u4e0a\u65f6\uff0c\u624d\u4f1a\u88ab\u8c03\u7528\uff0c\u800c\u5982\u679c\u70b9\u51fb\u5728\u4e86\u6309\u94ae\u6216\u8005\u6587\u672c\u6846\u4e0a\uff0c\u8fd9\u4e2a\u9f20\u6807\u4e8b\u4ef6\u5c31\u4e0d\u4f1a\u4f20\u9012\u5230 NSWindow \u4e0a\u3002<\/p>\n<p>\u6839\u636e\u300aCocoa Event Handling Guide\u300b\u53ef\u4ee5\u77e5\u9053\uff0c\u5982\u679c\u6709\u4e8b\u4ef6\u8fc7\u6765\uff0c\u4f1a\u7531 NSApp \u5206\u53d1\u5230 NSWindow\uff0c\u518d\u901a\u8fc7 NSWindow\uff0c\u4f7f\u7528 sendEvent: \u65b9\u6cd5\u6765\u5206\u53d1\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u53ef\u4ee5\u5728\u4e2a\u65b9\u6cd5\u4e2d\uff0c\u53bb\u6355\u83b7\u9f20\u6807\u70b9\u51fb\u4e8b\u4ef6\u3002<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/developer.apple.com\/library\/mac\/documentation\/Cocoa\/Conceptual\/EventOverview\/Art\/event_dispatch_mouse_2x.png\" alt=\"Path of a mouse event\" width=\"562\" height=\"236\" \/><br \/>\n<em>via Cocoa Event Handling Guide<\/em><\/p>\n<pre lang=\"objc\">\n\/\/\n\/\/  JWBorderlessWindow\n\/\/\n\/\/  Created by Xu Jiwei on 12-9-3.\n\/\/  Copyright (c) 2012 xujiwei.com. All rights reserved.\n\/\/\n\n@interface JWBorderlessWindow : NSWindow {\n    BOOL            mouseDraggedForMoveOrResize;\n    BOOL            mouseDownInResizeArea;\n    NSPoint         mouseDownLocation;\n    NSRect          mouseDownWindowFrame;\n}\n@end\n\n@implementation JWBorderlessWindow\n\n- (BOOL)canBecomeKeyWindow {\n    return YES;\n}\n\n\n- (BOOL)canBecomeMainWindow {\n    return YES;\n}\n\n\n- (NSRect)resizeAreaRect {\n    const CGFloat resizeBoxSize = 20.0;\n    \n    NSRect frame = [self frame];\n    NSRect resizeRect = NSMakeRect(frame.size.width - resizeBoxSize, 0,\n                                   resizeBoxSize, resizeBoxSize);\n    \n    return resizeRect;\n}\n\n\n- (void)handleMoveOrResize:(NSEvent *)event {\n    NSWindow *window = self;\n    \n    \/\/\n    \/\/ Work out how much the mouse has moved\n    \/\/\n    NSPoint newMouseLocation = [window convertBaseToScreen:[event locationInWindow]];\n    NSPoint delta = NSMakePoint(newMouseLocation.x - mouseDownLocation.x,\n                                newMouseLocation.y - mouseDownLocation.y);\n    \n    NSRect newFrame = mouseDownWindowFrame;\n    \n    if (!mouseDownInResizeArea) {\n        \/\/\n        \/\/ Alter the frame for a drag\n        \/\/\n        newFrame.origin.x += delta.x;\n        newFrame.origin.y += delta.y;\n        \n    } else {\n        NSSize maxSize = [window maxSize];\n        NSSize minSize = [window minSize];\n        \n        newFrame.size.width += delta.x;\n        newFrame.size.height -= delta.y;\n        \n        newFrame.size.width = MIN(MAX(newFrame.size.width, minSize.width), maxSize.width);\n        newFrame.size.height = MIN(MAX(newFrame.size.height, minSize.height), maxSize.height);\n        newFrame.origin.y -= newFrame.size.height - mouseDownWindowFrame.size.height;\n    }\n    \n    [window setFrame:newFrame display:YES animate:NO];\n}\n\n\n- (void)sendEvent:(NSEvent *)event {\n    \/\/ \u5904\u7406\u5355\u51fb\u4e8b\u4ef6\uff0c\u5b9e\u73b0\u5728\u7a97\u53e3\u4efb\u610f\u4f4d\u7f6e\u79fb\u52a8\u7a97\u53e3\n    if (event.type == NSLeftMouseDown) {\n        mouseDraggedForMoveOrResize = NO;\n        mouseDownLocation = [self convertBaseToScreen:[event locationInWindow]];\n        mouseDownWindowFrame = [self frame];\n        mouseDownInResizeArea = NSPointInRect([event locationInWindow], [self resizeAreaRect]);\n        \n        BOOL keepOn = YES;\n        \n        while (keepOn) {\n            NSEvent *newEvent = [self nextEventMatchingMask:(NSLeftMouseDraggedMask | NSLeftMouseUpMask)\n                                                  untilDate:[NSDate distantFuture]\n                                                     inMode:NSEventTrackingRunLoopMode\n                                                    dequeue:NO];\n            switch (newEvent.type) {\n                case NSLeftMouseDragged:\n                    \/\/ \u5904\u7406\u9f20\u6807\u79fb\u52a8\u4e8b\u4ef6\n                    [self handleMoveOrResize:newEvent];\n                    \/\/ \u628a\u4e8b\u4ef6\u4ece\u961f\u5217\u4e2d\u5220\u9664\n                    [self nextEventMatchingMask:(NSLeftMouseDraggedMask | NSLeftMouseUpMask)];\n                    mouseDraggedForMoveOrResize = YES;\n                    break;\n                    \n                case NSLeftMouseUp:\n                    \/\/ \u5982\u679c\u4e0d\u662f\u6b63\u5728\u79fb\u52a8\u7a97\u53e3\u6216\u6539\u53d8\u7a97\u53e3\u5927\u5c0f\uff0c\u5c31\u628a\u4e8b\u4ef6\u7ee7\u7eed\u5206\u53d1\n                    if (!mouseDraggedForMoveOrResize) {\n                        [super sendEvent:event];\n                    }\n                    keepOn = NO;\n                    break;\n                    \n                default:\n                    keepOn = NO;\n                    break;\n            }\n        }\n        \n    } else {\n        [super sendEvent:event];\n    }\n}\n\n@end\n<\/pre>\n<p>\u8fd9\u65f6\u5019\u53c8\u4f1a\u6709\u53e6\u5916\u4e00\u4e2a\u95ee\u9898\uff0c\u867d\u7136\u53ef\u4ee5\u5728\u7a97\u53e3\u4efb\u610f\u4f4d\u7f6e\u90fd\u53ef\u4ee5\u62d6\u52a8\u7a97\u53e3\uff0c\u4f46\u662f\u5728 NSTextField \u6216\u8005 NSTextView \u83b7\u53d6\u7126\u70b9\u65f6\uff0c\u5982\u679c\u60f3\u7528\u9f20\u6807\u62d6\u52a8\u5149\u6807\u6765\u9009\u62e9\u6587\u672c\uff0c\u662f\u6ca1\u529e\u6cd5\u505a\u5230\u7684\uff0c\u5728\u62d6\u52a8\u7684\u65f6\u5019\u53d8\u6210\u4e86\u5728\u62d6\u52a8\u6574\u4e2a\u7a97\u53e3\u3002<\/p>\n<p>\u597d\u5427\uff0c\u7ee7\u7eed\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E4%BF%AE%E6%AD%A3_NSTextField_%E5%8F%8A_NSTextView_%E5%85%BC%E5%AE%B9%E6%80%A7\"><\/span>\u4fee\u6b63 NSTextField \u53ca NSTextView \u517c\u5bb9\u6027<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<pre lang=\"objc\">\n- (void)sendEvent:(NSEvent *)event {\n    \/\/ \u5904\u7406\u5355\u51fb\u4e8b\u4ef6\uff0c\u5b9e\u73b0\u5728\u7a97\u53e3\u4efb\u610f\u4f4d\u7f6e\u79fb\u52a8\u7a97\u53e3\n    \/\/ \u5224\u65ad\u9f20\u6807\u70b9\u51fb\u6240\u5728\u4f4d\u7f6e\u7684 view\uff0c\u5982\u679c\u662f NSTextView\uff0c\u5c31\u4e0d\u5904\u7406\uff0c\u76f4\u63a5\u7ee7\u7eed\u4f20\u9012\u4e8b\u4ef6\n    NSView *targetView = [self.contentView hitTest:[event locationInWindow]];\n    if (event.type == NSLeftMouseDown && ![targetView isKindOfClass:[NSTextView class]]) {\n        \/\/ \u7701\u7565\uff0c\u4e0e\u524d\u4e00\u6bb5\u4ee3\u7801\u76f8\u540c\n        \n    } else {\n        [super sendEvent:event];\n    }\n}\n<\/pre>\n<p>\u5b8c\u6210\uff0c\u5728 NSTextField \u6216\u8005 NSTextView \u83b7\u5f97\u7126\u70b9\u65f6\uff0c\u53ef\u4ee5\u7528\u9f20\u6807\u6765\u62d6\u52a8\u9009\u4e2d\u5185\u5bb9\u4e86\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E7%BB%93%E8%AF%AD\"><\/span>\u7ed3\u8bed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4e0b\u8f7d\u6587\u4e2d\u793a\u4f8b\u7a0b\u5e8f\uff1a<a href=\"https:\/\/xujiwei.com\/blog\/wp-content\/uploads\/2012\/09\/JWBorderlessWindowTest.zip\">JWBorderlessWindowTest<\/a> (39KB)<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E5%8F%82%E8%80%83%E8%B5%84%E6%96%99\"><\/span>\u53c2\u8003\u8d44\u6599<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li>[http: \/\/cocoawithlove.com\/2008\/12\/drawing-custom-window-on-mac-os-x.html](http: \/\/cocoawithlove.com\/2008\/12\/drawing-custom-window-on-mac-os-x.html)<\/li>\n<li><a href=\"https:\/\/developer.apple.com\/library\/mac\/#documentation\/Cocoa\/Conceptual\/EventOverview\/EventArchitecture\/EventArchitecture.html#\/\/apple_ref\/doc\/uid\/10000060i-CH3-SW11\">Cocoa Event Handling Guide: Event Architecture - Event Dispatch<\/a><\/li>\n<\/ol>\n<p>--- EOF ---<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mac OS X \u4e2d\u5b9e\u73b0\u652f\u6301\u4efb\u610f\u4f4d\u7f6e\u62d6\u52a8\u7684\u4e0d\u89c4\u5219\u7a97\u4f53 \u5728\u5f00\u53d1 Mac OS Ap &hellip;<\/p>\n<p class=\"read-more\"><a href=\"https:\/\/xujiwei.com\/blog\/2012\/09\/a-borderless-window-can-move-anywhere-in-mac-os-x\/\">\u7ee7\u7eed\u9605\u8bfb &raquo;<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5,168],"tags":[144,208,216],"_links":{"self":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts\/560"}],"collection":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/comments?post=560"}],"version-history":[{"count":0,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts\/560\/revisions"}],"wp:attachment":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/media?parent=560"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/categories?post=560"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/tags?post=560"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}