macos-darkmode | 易学教程

How can I emulate prefers-color-scheme media query in Chrome?

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问题 Chrome 76 has added support for prefers-color-scheme media query (a.k.a. "dark mode"). But how can I test my webpage in both color schemes easily, without toggling the system dark mode on and off? Here is the same question for Firefox, but I can't find similar settings in Chrome & Chrome DevTools. 回答1: Since Chrome version 79 you can toggle between prefers-color-scheme: dark and prefers-color-scheme: light from the Rendering panel Open Developer tools (otherwise the key combination below

How can I emulate prefers-color-scheme media query in Chrome?

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How can I emulate prefers-color-scheme media query in Chrome?

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macOS Dark Mode UI bugs with NSPredicateEditor in a Sheet

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来源： https://stackoverflow.com/questions/53345734/macos-dark-mode-ui-bugs-with-nspredicateeditor-in-a-sheet

NSColor systemColor not changing when dark/light mode switched

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问题 I'm trying to change the colour of an image with the switching of dark/light mode in an NSViewController . I'm using this code for changing the colour of the image: - (NSImage *)image:(NSImage *)image withColour:(NSColor *)colour { NSImage *img = image.copy; [img lockFocus]; [colour set]; NSRect imageRect = NSMakeRect(0, 0, img.size.width, img.size.height); NSRectFillUsingOperation(imageRect, NSCompositingOperationSourceAtop); [img unlockFocus]; return img; } I've tried calling this method

Mimic JavaFX's ColorAdjust brightness using pure Java

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问题 I'm attempting to convert a color image to a useable monochrome image, but without the "jagged" edges. From a similar question asking to convert an image from color to black and white, one of the accepted answers provides a simple trick from JavaFX's ColorAdjust class using a setBrightness(-1) technique. This technique has the benefit of maintaining the soft edges between black and white, such as supporting a high-contrast theme without creating all-new icons set . Note: I do understand the

How do I create a template image-based and PDF-based icons for MacOS?

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问题 Summary I'd like to create a template image-based and/or PDF-based icon for a keyboard layout that would switch colors according to dark/light mode in MacOS Mojave when displayed in the menu bar. Background I've created a customized keyboard layout using Ukelele. I've based it on a native keyboard layout, allowing Ukelele to extract the icon from the original layout. I didn't touch the icon. Yet when I switch to dark mode, my layout's icon remains black, whereas in the original layout, it

Python - Tkinter not support MacOS Mojave Dark Mode

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问题 I have a problem with the support of Dark Mode on MacOS in python Tkinter. I used python 3.6 with ActiveTlc 8.5 and the Dark Mode works fine, the window titlebar was dark, it's fine for me... but there were some problems with the <MouseWheel> support, then I upgraded python to 3.7.1 and the version of tlc is updated to 8.6 . But now the Dark Mode didn't work, and it's strange, why this is happening? This is an example code: from tkinter import * if __name__ == '__main__': root = Tk() hero

Detect dark mode using JavaScript

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问题 Windows and macOS now have dark mode. For CSS I can use: @media (prefers-dark-interface) { color: white; background: black } But I am using the Stripe ELements API, which puts colors in JavaScript For example: const stripeElementStyles = { base: { color: COLORS.darkGrey, fontFamily: `-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"`, fontSize: '18px',

Is there a way to toggle Dark Mode on/off for individual apps in MacOs Mojave?

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Is there a way in Terminal to toggle Dark Mode On/Off for an individual app without affecting the rest of the environment? I use calendar on my Mac, and the appearance is dreadful. The rest of the apps look great in Dark Mode. I want to disable it JUST for that one app. From Terminal , run this command: defaults write com.apple.iCal NSRequiresAquaSystemAppearance true To revert the change: defaults write com.apple.iCal NSRequiresAquaSystemAppearance false 来源： https://stackoverflow.com/questions/52562383/is-there-a-way-to-toggle-dark-mode-on-off-for-individual-apps-in-macos-mojave