0
有没有办法绘制全屏叠加,然后在上面画一个标签+文本框?如何在其上绘制全屏叠加和文本+文本字段?
我已经做了:
当用户点击按钮,屏幕应该被叠加覆盖。
在 AppDelegate.m按钮操作方法我写:
NSRect frame = [[NSScreen mainScreen] frame];
self.mainWindow = [[NSWindow alloc] initWithContentRect:frame styleMask:NSBorderlessWindowMask backing:NSBackingStoreBuffered defer:NO];
[self.mainWindow setAcceptsMouseMovedEvents:YES];
[self.mainWindow setOpaque:NO];
[self.mainWindow setLevel:CGShieldingWindowLevel()];
[self.mainWindow setBackgroundColor:[NSColor colorWithDeviceRed:0.0 green:0.0 blue:0.0 alpha:0.7]];
[self.mainWindow orderFrontRegardless];
NSApplicationPresentationOptions options = NSApplicationPresentationDisableProcessSwitching + NSApplicationPresentationHideDock + NSApplicationPresentationDisableForceQuit + NSApplicationPresentationDisableSessionTermination + NSApplicationPresentationDisableHideApplication;
[NSApp setPresentationOptions:options];
它的工作不错,但没有任何动画&我真的不知道如何绘制对象(标签/文本框)在它?
要么我应该将此方法移动到另一个类中吗?