CFont uses a few function calls which aren't supported by anything older than Windows Vista, while QB64 otherwise works all the way back to Windows XP. Since there's no desire to make us lose functionality with older systems and obsolute them to oblivion, the code has been commented out and replaced with a stub as default. Users of older machines can simply use it "as is", as can folks who don't care about console functionality. Users with versions of Windows from Vista up, can simply uncomment the code (comment out the placeholder stub), and then purge libqb so we automatically rebuild our library to make use of the routine.
It seemed the easiest way to keep it in there, more or less, so that people who wanted to use it can, while not bothering the rest of the user base. There just needs to be a short note wrote up in the documention on how to "enable the command", but it's not a hard process (uncomment a few lines, comment a few others, and run a batch file -- if a programmer can't handle that much, then they don't need the command to start with...).
Window's CONSOLE support has been extended so that:
CSRLIN support added.
POS(0) support added.
LOCATE support added. (Works with optional parameters.)
COLOR support added.
SCREEN support added to get both character and color information of any point on the console.
tab() glitch fixed. (Which could cause an endless loop when printing with comma spaced text/numbers.)
_WIDTH support added.
_HEIGHT support added.
WIDTH support added, with 2 new parameters added so we can set the buffer width and buffer height also.
CLS support semi-added. (Doesn't accept colored backgrounds; it clears the screen black. I'm getting tired of working up console stuff which I probably won't ever use myself...)
SLEEP support added.
END support added so we now end with any keypress and not just enter.
_CONSOLEINPUT added, so we can tell the difference in mouse and keyboard input.
_CINP(toggle) support added, which allows us to get single character keystrokes from the console.
_CONSOLEFONT FontName, FontSize support added, which allows us to change the font and font size we use for the console.
_CONSOLECURSOR _SHOW|_HIDE, cursorsize support added, which allows us to show or hide the cursor in the console, and to change its size (from 0 to 100), as desired.
New keyboard commands added:
_CAPSLOCK -- returns 1 if caps lock is on, 0 if it isn't.
_NUMLOCK -- as above, but for num lock
_SCROLLOCK -- as above, but for scroll lock
_TOGGLE_CAPSLOCK -- toggles the caps lock state for us.
_TOGGLE_NUMLOCK -- same, but for num lock
_TOGGLE_SCROLLOCK -- same, but for scroll lock
Two new keywords added:
FUNCTION _INFLATE$ (text$)
FUNCTION _DEFLATE$ (text$)
Use of these commands can compress and decompress strings using the ZLIB library.
Move $COLOR commands so they process after the precompile commands (such as $LET), otherwise they may not be included/excluded properly when between $IF blocks.
Made statement $COLOR:0 or $COLOR:32 so color names could be used in
either screen 0 or 32-bit screens, as the user desired.
Made routines only callable once. Multiple references will result in
error messages being given now.
CONST has more options than what the internal math routine itself
handles; it doesn't need to toss an error message whenever those pop up;
just when it's an actual math style message. This fixes that.
- Windows: cursor returns to top-left of console screen buffer
- Non-Windows: isatty(stdout) check to prevent CLS from working when
stdout is redirected
