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Overview
| Comment: | + CONTEXT - stub for drawing methods + simple test of NCURSES library + initialization/termination NCURSES + starting/finishing drawing + changing cursor position + overriding 'display' for printing to a current position + some SCREEN constants (such as WIDTH, HEIGHT, RECT) |
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| Timelines: | family | ancestors | descendants | both | tui |
| Files: | files | file ages | folders |
| SHA1: | 2c644b7544131b44e899f27bee1618c24ed3359d |
| User & Date: | vasalvit 2011-11-07 07:21:06 |
Context
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2011-11-08
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| 04:50 | + POINT is wrapper aroung internal structure _POINT_ + using ASSERT for checking input parameters * make-point function can work with two parameters (X Y) and fourth (x: X y: Y) check-in: cfa2ad8a2f user: vasalvit tags: tui | |
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2011-11-07
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| 07:21 | + CONTEXT - stub for drawing methods + simple test of NCURSES library + initialization/termination NCURSES + starting/finishing drawing + changing cursor position + overriding 'display' for printing to a current position + some SCREEN constants (such as WIDTH, HEIGHT, RECT) check-in: 2c644b7544 user: vasalvit tags: tui | |
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2011-11-03
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| 19:50 | + POINT structure and tests + SIZE structure and tests + RECT structure and tests check-in: f16685f30e user: vasalvit tags: tui | |
Changes
Added sources/libraries/tui/context.scm.
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; ; CONTEXT ; Contains methods for drawing information on a screen. ; CREATOR vasavit, 05.11.2011 (require-extension defstruct) (require-extension ncurses) (require-extension ports) (load "primitives.scm") ; SCREEN-WIDTH ; SCREEN-HEIGHT ; SCREEN-RECT ; Width and Height of the screen (r/o). (define _screen-width_ #f) (define _screen-height_ #f) (define _screen-rect_ #f) (define (screen-width) _screen-width_) (define (screen-height) _screen-height_) (define (screen-rect) _screen-rect_) ; SCREEN-INIT ; SCREEN-TERM ; Initialization and termination the screen. (define _screen_ #f) (define (screen-init) (initscr) (cbreak) (nonl) (noecho) (set! _screen_ (stdscr)) (set! _screen-width_ (COLS)) (set! _screen-height_ (LINES)) (set! _screen-rect_ (make-rect origin: (make-point 0 0) size: (make-size (screen-width) (screen-height)))) (graph-begin) (graph-finish)) (define (screen-term) (nl) (nocbreak) (endwin) (set! _screen_ #f) (set! _screen-width_ #f) (set! _screen-height_ #f) (set! _screen-rect_ empty-rect)) ; GRAPH-BEGIN ; GRAPH-FINISH ; Start/stop drawing process. (define (graph-begin) (wclear _screen_)) (define (graph-finish) (wrefresh _screen_)) ; GOTOXY ; Move cursor to specified position. (define (gotoxy pos) (wmove _screen_ (point-y pos) (point-x pos))) ; DISPLAY ; Overrided function for printing value to a display. (define _display_ display) (define display (case-lambda [(value) (cond [(not _screen_) (_display_ value)] [else (wprintw _screen_ (call-with-output-string (lambda (port) (_display_ value port))))] )] [(value port) (_display_ value port)])) |
Added sources/libraries/tui/tests/context-tests.scm.
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; ; CONTEXT-TESTS ; Test for CONTEXT module. ; CREATOR vasalvit, 05.11.2011 (require-extension srfi-78) (load "context.scm") ; Testing screen initialization (let* () (display "SCREEN") (newline) (screen-init) (graph-begin) (gotoxy (make-point x: 8 y: 2)) (display "width=") (display (screen-width)) (gotoxy (make-point x: 8 y: 3)) (display "height=") (display (screen-height)) (graph-finish) (screen-term) ) |