PSCompletions

3.1.1

core/ui/ui.ps1

$PSCompletions.ui.ui = $Host.UI.RawUI
$PSCompletions.ui.style_h = 2
. $PSScriptRoot\config.ps1
. $PSScriptRoot\utils.ps1

$PSCompletions.ui | Add-Member -MemberType ScriptMethod show {
    $filter_list = [array]$filter_list

    $PSCompletions.ui.layout = @{}

    $res = foreach ($i in $filter_list) {
        $cmd = $completions.$i[0]
        if ($cmd.length -gt $PSCompletions.ui.layout.cmd_max_w) {
            $PSCompletions.ui.layout.cmd_max_w = $cmd.length
        }
        @{
            CompletionText = $cmd
            ListItemText   = $cmd
        }
    }
    $PSCompletions.ui.layout.list_w = $PSCompletions.ui.layout.cmd_max_w + 4 + $PSCompletions.ui.config.list_margin_right

    if ($PSCompletions.ui.config.fllow_cursor) {
        $PSCompletions.ui.layout.tip_max_w = $PSCompletions.ui.ui.WindowSize.Width - $PSCompletions.ui.ui.CursorPosition.X - $PSCompletions.ui.layout.list_w - 5 + $PSCompletions.ui.config.tip_margin_right
    }
    else {
        $PSCompletions.ui.layout.tip_max_w = $PSCompletions.ui.ui.WindowSize.Width - $PSCompletions.ui.layout.list_w - 5 + $PSCompletions.ui.config.tip_margin_right
    }
    $max = @(0, 0, $filter_list.Count)
    $PSCompletions.completion = @{}
    foreach ($i in $filter_list) {
        $tool_tip = $PSCompletions.fn_replace($completions.$i[1]) -split "`n"
        if ($tool_tip.Count -eq 1) {
            $tool_tip += ' '
        }
        foreach ($item in $tool_tip) {
            $len = $PSCompletions.ui.get_length($item)
            if ($len -gt $max[0]) {
                $max[0] = $len
            }
        }
        function _do($str, $len) {
            while ($str.Length -gt $len) {
                $str.Substring(0, $len)
                $str = $str.Substring($len)
            }
            $str
        }
        if ($PSCompletions.lang -eq 'zh-CN') {
            $tool_tip = for ($j = 0; $j -lt $tool_tip.Count; $j++) {
                $len = $PSCompletions.ui.get_length($tool_tip[$j])
                if ($len -lt $PSCompletions.ui.layout.tip_max_w) {
                    $tool_tip[$j]
                    continue
                }
                $tip = $tool_tip[$j]
                $tip_max_w = $PSCompletions.ui.layout.tip_max_w - 1
                function _get_pos($str) {
                    $len = $str.Length - 1
                    while ($PSCompletions.ui.get_length($str) -ge $tip_max_w) {
                        $str = $str.Substring(0, $len)
                        $len--
                    }
                    return $len + 1
                }
                while ($PSCompletions.ui.get_length($tip) -gt $tip_max_w) {
                    $split_pos = _get_pos $tip
                    $tip.Substring(0, $split_pos)
                    $tip = $tip.Substring($split_pos)
                    if ($PSCompletions.ui.get_length($tip) -lt $tip_max_w) {
                        $tip
                    }
                }
            }
        }
        else {
            $tool_tip = foreach ($j in $tool_tip) {
                _do $j ($PSCompletions.ui.layout.tip_max_w - 5 + $PSCompletions.ui.config.tip_margin_right + 1)
            }
        }

        if ($tool_tip.Count -gt $max[1]) { $max[1] = $tool_tip.Count }
        $PSCompletions.completion.$($completions.$i[0]) = $tool_tip
    }

    $PSCompletions.completion_max = $max

    if ($PSCompletions.completion_max[0] -gt $PSCompletions.ui.layout.tip_max_w) {
        $PSCompletions.completion_max[0] = $PSCompletions.ui.layout.tip_max_w
    }

    $available_h = [System.Console]::WindowHeight - [System.Console]::CursorTop

    if ([System.Console]::CursorTop -eq 1) {
        $PSCompletions.ui.style_h = [System.Console]::CursorTop
    }

    if ([System.Console]::WindowHeight -le 5) {
        ''
        [Microsoft.PowerShell.PSConsoleReadLine]::UndoAll()
        [Microsoft.PowerShell.PSConsoleReadLine]::Insert($PSCompletions.json.min_area)
        return
    }

    if (($available_h -gt $PSCompletions.completion_max[1] + 3 -or [System.Console]::CursorTop - $PSCompletions.ui.style_h -gt $PSCompletions.completion_max[1] + 3) -and $PSCompletions.ui.config.enable_ui) {
        ''
        for () {
            $repeat = $false
            $replace = $PSCompletions.ui.get_list($res, ([ref]$repeat))
            $PSCompletions.ui.layout.Above = $null
            # apply the completion
            if ($replace) {
                $replace = $replace -replace ('^' + [regex]::Escape($word_to_complete)), ''
                [Microsoft.PowerShell.PSConsoleReadLine]::Replace($cursor_position, 0, $replace)
            }
            if (!$repeat) { break }
        }
        return
    }
    complete_by_old
}