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09e4bcc464
20221218:
- Examples for reading from the keyboard have been added to the manual.
- In src/read_me.txt and src/read_me.htm the description "compiling
Seed7 under windows with cl from MSVC" has been improved. The
description of possible C compiler warnings has also been improved.
- Support for the ternary operator ?: has been added to the types
bitset, color, duration and time.
- The graphic keyboard test program gkbd.sd7 has been improved to
support super/windows keys.
- Definitions of KEY_SUPER, KEY_LEFT_SUPER and KEY_RIGHT_SUPER have
been added to the libraries keybd.s7i and keydescr.s7i.
- The tls.s7i library has been improved to reopen a socket if the
old session cannot be reused.
- In gif.s7i a small error in reading a GIF header has been fixed.
- The compiler (s7c.sd7) has been improved:
- Unsupported Seed7 compiler options trigger a warning now.
- Better optimizations for abs(), mdiv and mod are done.
- More integer overflow checks of abs(), <<, *, div, mdiv, mod and
rem are optimized away (with option -oc3).
- More division by zero checks are optimized away.
- Computing the range of possible integer results for abs(),
bitLength(), log2(), log10(), sqrt() +, -, <<, >>, - (negate), *
and ?: (ternary operator) has been improved. This also helps in
reducing the number of integer overflow checks.
- The statistics about integer overflow checks and division checks
have been improved.
- A warning is written at a catch of otherwise when checks for an
exception have been suppressed (this is done with -w2).
- The code coverage of the integer tests in chkint.sd7 and
chkovf.sd7 has been increased. Now, all code in comp/int_act.s7i
is tested (except code for non-twos-complement computers).
- Several tests in chkint.sd7 have been refactored to avoid
optimizations that skip tests (Expressions are compared with
intExpr(value) instead of just value).
- Documentation comments have been improved in time.s7i.
- The graphic driver for windows (drw_win.c) has been improved:
- Windows are now created with a size that includes decorations.
- The windows class is registered with with RegisterClassExW() now.
This triggers the creation of Unicode windows (where keypresses
return Unicode characters).
- A function to draw filled chords (drwPFArcChord) under windows has
been added.
- An empty window is just created once on initialization and stored
globally.
- The graphic keyboard driver for windows (gkb_win.c) has been
improved:
- The function getc(GRAPH_KEYBOARD) now returns Unicode characters.
- Dead keys are returned directly and are not combined with the next
character pressed (this combining can be done by the program).
- Holding down a windows/super key and pressing a cursor key is
supported now (this resizes and moves the current active window).
In this case the program now receives KEY_RESIZE characters (if
they have been requested with selectInput()).
- Combinations of CTRL + ALT + letter are now recognized correctly
(CTRL is preferred over ALT in combinations with a letter).
- The combination of cursor, function and mouse keys with modifier
keys now prefers SHIFT over the other modifiers and CTRL over ALT.
- The recognition of button presses in gkbButtonPressed() has been
improved to also work for Unicode characters.
- Now wide char functions (CreateWindowW(), CreateWindowExW(),
MapVirtualKeyW(), PeekMessageW(), GetMessageW()) are used and only
correctly received messages are processed.
- The lowest four bits of a system command (wParam of WM_SYSCOMMAND
message) are ignored now.
- Macros are used to recognize mouse wheel and xbuttons.
- Macro definitions have been added, as some C compilers do not
provide them.
- The graphic keyboard drivers (gkb_win.c and gkb_x11.c) have been
improved to support super/windows keys.
- The support for the unused action CHR_CONV has been removed.
- The number of C compiler warnings has been reduced.
- Unnecessary initialisations and assignments have been removed in
several C files.
- Usages of strcpy() and wcscpy() have been reduced.
- In hshlib.c the hash table for-loops have been adjusted to process
the elements in the same succession as in compiled programs. The
code has also been simplified.
- The program chkccomp.c has been improved:
- Now, a backup copy of the source file (e.g. ctest123.cbak) is
created if a test program fails.
- Now, an empty output of a test program is recognized and the test
is repeated (Some anti-virus software of Windows may trigger this).
- Now, it considers wasm files for an Emscripten build.
- The macros os_setmode, os_fdopen and os_fileno are determined.
- Usages of isatty(), fdopen() and fileno() have been replaced by
os_isatty(), os_fdopen() and os_fileno() respectively.
- Some fixes for Emscripten have been done:
- The files mk_emccl.mak and mk_emccw.mak have been adjusted for the
newest version of Emscripten. Now, there is source information in a
stack trace, and the stack size used by Emscipten has been
increased.
- In chkccomp.c wasm files are considered now.
- The size of functions has been reduced in chkchr.sd7, chkint.sd7
and chkstr.sd7. This avoids a stack overflow in Node.js.
- Logging functions have been added or improved in drw_win.c,
gkb_win.c, gkb_x11.c and intlib.c.
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