70 lines
2.2 KiB
Go
70 lines
2.2 KiB
Go
package xrandr
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import (
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"encoding/json"
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"errors"
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"regexp"
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"strings"
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"git.milar.in/milarin/bufr"
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)
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var (
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displayConfig = regexp.MustCompile(`^(.*?-\d) (disconnected|connected)( primary)?(?: (\d*?)x(\d*?)\+(\d*?)\+(\d*?) )?(normal|inverted|left|right)?\s*?(X axis|Y axis|X and Y axis)?\s*?\(((?:normal |left |inverted |right |x axis |y axis )*(?:normal|left|inverted|right|x axis|y axis))\)(?: (\d*)mm x (\d*)mm)?$`)
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)
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type DisplayConfig struct {
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Port string `json:"port"`
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Connected bool `json:"connected"`
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Primary bool `json:"primary"`
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Resolution *Resolution `json:"resolution"`
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Position *Position `json:"position"`
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Rotation Rotation `json:"rotation"`
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Reflection Reflection `json:"reflection"`
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RecommendedMode *DisplayMode
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ActiveMode *DisplayMode
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Modes []DisplayMode `json:"modes"`
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DimensionsMillimeter *Resolution `json:"-"`
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}
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func parseDisplayConfig(r *bufr.Reader) (*DisplayConfig, error) {
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// bufcontent := reflect.ValueOf(r).Elem().FieldByName("buf").Elem().FieldByName("values")
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// bufcontent = reflect.NewAt(bufcontent.Type(), unsafe.Pointer(bufcontent.UnsafeAddr())).Elem()
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// fmt.Printf("%#v\n", string(bufcontent.Interface().([]rune)))
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line, err := r.StringUntil(isNewLine)
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if err != nil {
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return nil, err
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}
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matches := displayConfig.FindStringSubmatch(line)
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if matches == nil {
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return nil, errors.New("no data")
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}
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active, recommended, modes, err := parseDisplayModes(r)
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if err != nil {
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return nil, err
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}
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return &DisplayConfig{
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Port: matches[1],
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Connected: strings.TrimSpace(matches[2]) == "connected",
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Primary: strings.TrimSpace(matches[3]) == "primary",
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Resolution: NewResolutionFromString(matches[4], matches[5]),
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Position: NewPositionFromString(matches[6], matches[7]),
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Rotation: makeRotation(matches[8]),
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Reflection: MakeReflection(matches[9]),
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DimensionsMillimeter: NewResolutionFromString(matches[11], matches[12]),
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ActiveMode: active,
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RecommendedMode: recommended,
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Modes: modes,
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}, nil
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}
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func (c DisplayConfig) String() string {
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data, _ := json.MarshalIndent(c, "", "\t")
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return string(data)
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}
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