mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-09-20 13:22:19 +02:00
105 lines
2.4 KiB
Go
105 lines
2.4 KiB
Go
// Copyright 2020 The Ebiten Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// +build dragonfly freebsd linux netbsd openbsd solaris
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// +build !js
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// +build !android
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package devicescale
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import (
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"encoding/xml"
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"os"
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"os/exec"
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"path/filepath"
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"strconv"
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)
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type xmlBool bool
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func (b *xmlBool) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
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var s string
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if err := d.DecodeElement(&s, &start); err != nil {
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return err
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}
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*b = xmlBool(s == "yes")
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return nil
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}
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func cinnamonScaleFromXML() (float64, error) {
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type cinnamonMonitors struct {
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XMLName xml.Name `xml:"monitors"`
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Version string `xml:"version,attr"`
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Configuration struct {
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BaseScale float64 `xml:"base_scale"`
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Output []struct {
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Scale float64 `xml:"scale"`
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Primary xmlBool `xml:"primary"`
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} `xml:"output"`
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} `xml:"configuration"`
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}
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home, err := os.UserHomeDir()
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if err != nil {
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return 0, err
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}
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f, err := os.Open(filepath.Join(home, ".config", "cinnamon-monitors.xml"))
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if err != nil {
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return 0, err
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}
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defer f.Close()
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d := xml.NewDecoder(f)
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var monitors cinnamonMonitors
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if err = d.Decode(&monitors); err != nil {
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return 0, err
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}
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scale := monitors.Configuration.BaseScale
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for _, v := range monitors.Configuration.Output {
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// TODO: Get the monitor at the specified position.
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if v.Primary {
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if v.Scale != 0.0 {
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scale = v.Scale
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}
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break
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}
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}
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return scale, nil
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}
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func cinnamonScale() float64 {
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if s, err := cinnamonScaleFromXML(); err == nil && s > 0 {
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return s
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}
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out, err := exec.Command("gsettings", "get", "org.cinnamon.desktop.interface", "scaling-factor").Output()
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if err != nil {
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if err == exec.ErrNotFound {
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return 0
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}
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if _, ok := err.(*exec.ExitError); ok {
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return 0
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}
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panic(err)
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}
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m := gsettingsRe.FindStringSubmatch(string(out))
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s, err := strconv.Atoi(m[1])
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if err != nil {
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return 0
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}
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return float64(s)
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}
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