MSVC rejects declarations with initializers directly under a case label
(C2360/C2361: initialization skipped by case/default labels), while
GCC/Clang accept them. Wrap the declaring case bodies in braces.
- add and delete some actions in action manager.
- rename "fit to view" to "fit to screen".
- update main window right click menu and toolbar.
- use special state update slot in action manager instead of function located in main window.
- change default dark theme to light
- disable dark mode on windows 10 because Qt's windows 11 theme has bad support on windows 10 (icon display error)
- level required minimum qt version up to 6.5 for color schema.
yyc12345
blumia
Gary Wang