<?php return [

    /**
     * Draw a box frame
     */
    'drawbox' => function ($term, $column, $line, $width, $height) {
        fprintf(STDERR, "drawbox: {%d,%d}+[%d,%d]\n", $column, $line, $width, $height);
        $oldpos = $term->getCursorPosition();

        $term->setCursor($line, $column);
        $term->write("\u{250c}" . str_repeat("\u{2500}", $width - 2) . "\u{2510}");

        $term->setCursor($line + $height, $column);
        $term->write("\u{2514}" . str_repeat("\u{2500}", $width - 2) . "\u{2518}");

        for ($l = $line + 1; $l < $line + $height; $l++) {
            $term->setCursor($l, $column);
            $term->write("\u{2502}");
            $term->setCursor($l, $column + $width - 1);
            $term->write("\u{2502}");
        }

        $term->setCursor($oldpos[0], $oldpos[1]);
    },

    /**
     * Draw a box and fill it
     */
    'drawfilledbox' => function ($term, $column, $line, $width, $height) {
        fprintf(STDERR, "drawbox: {%d,%d}+[%d,%d]\n", $column, $line, $width, $height);
        $oldpos = $term->getCursorPosition();

        $term->setCursor($line, $column);
        $term->write("\u{250c}" . str_repeat("\u{2500}", $width - 2) . "\u{2510}");

        $term->setCursor($line + $height, $column);
        $term->write("\u{2514}" . str_repeat("\u{2500}", $width - 2) . "\u{2518}");

        for ($l = $line + 1; $l < $line + $height; $l++) {
            $term->setCursor($l, $column);
            $term->write("\u{2502}" . str_repeat(" ", $width - 2) . "\u{2502}");
        }

        $term->setCursor($oldpos[0], $oldpos[1]);
    },

    /**
     * Draw a horizontal line
     */
    'drawhline' => function ($term, $line, $fromCol, $toCol) {

        $oldpos = $term->getCursorPosition();

        $term->setCursor($line, $fromCol);
        $term->write(str_repeat("\u{2500}", ($toCol-$fromCol)));

        $term->setCursor($oldpos[0], $oldpos[1]);

    },

    /**
     * Draw a vertical line
     */
    'drawvline' => function ($term, $column, $fromLine, $toLine) {

        $oldpos = $term->getCursorPosition();

        for ($l = $fromLine; $l <= $toLine; $l++) {
            $term->setCursor($l, $column);
            $term->write("\u{2502}");
        }

        $term->setCursor($oldpos[0], $oldpos[1]);

    }

];