smooth v0.9.7

smooth alpha 0.9.7

• backendcocoa.mm
  • added support for opening registered file types on macOS
• screenxlib.cpp
  • improved multi-monitor support for X11 based systems
• surfacecocoa.mm
  • fixed popup windows appearing black on older versions of macOS
• backendxlib.cpp
  • fixed issues querying GTK theme colors
• window.cpp
  • fixed drawing issues on KDE systems
• arrows.cpp
  • fixed unintentional wrap-around when going below zero value
• cursor.cpp
  • avoid sending two onInput signals when replacing selected text
• semaphoreposix.cpp
  • use custom semaphore implementation based on condition variable

Other changes

• added support for building for Apple Silicon Macs
• implemented alpha-blending for drawing bitmaps with alpha channel
• upgraded libcurl to version 7.73.0
• upgraded libcpuid to version 0.5.0