Calcium 1.4.0

By @NriotHrreion

Add

• Take mouse point as the center when zooming in or out & change the spacing when zooming
• Moving won't stop when the mouse goes out of the canvas or the whole page
• Function editor dialog
• Animations for function items
• Function editing
• LambertW $W_0(x)$ function
• Allow uppercase letter to be variable name
• Function list in mobile clients
• Icons for items in unit converting dialog
• Sash resizer
• Icon for back button in dialogs

Improve

• Create a new thread for function calculating
• $P_n^r$ and $C_n^r$ calculating

Change

• Remove text background in graphing mode

Fix

• Cannot use the scrollbar by wheeling in seniority dialog
• Buggy zooming in / out in graphing mode
• Low FPS due to the deduplication of list objects
• Unexpected appearance of tofrac button in Safari
• Unexpected displaying of sidebar
• Broken mask-repeat: no-repeat; (less/less.js#4253) (Less.js is not to blame for this)
• Warning onAfterSetupMiddleware and onBeforeSetupMiddleware are deprecated when launching the app
• Browserlist warning caniuse-lite is outdated when launching the app
• Number box choosing doesn't work
• Unexpected input when pressing enter button with nothing inputed in input box
• Unexpected input of LambertW
• Displaying line height of LambertW text is not aligned
• Broken sidebar in mobile clients
• Keypad tabs in programming mode are not applied styles
• Firefox adaptation issues (details)
• Unexpected displaying position of line number in graphing mode