Files
clr-installer/gui/gui.go
T
2020-04-24 14:53:17 -07:00

127 lines
3.2 KiB
Go

// Copyright © 2020 Intel Corporation
//
// SPDX-License-Identifier: GPL-3.0-only
package gui
import (
"fmt"
"path/filepath"
"github.com/gotk3/gotk3/gdk"
"github.com/gotk3/gotk3/gtk"
"github.com/clearlinux/clr-installer/args"
"github.com/clearlinux/clr-installer/log"
"github.com/clearlinux/clr-installer/model"
"github.com/clearlinux/clr-installer/utils"
)
const (
// ContentViewRequired is defined to map to the Required contentview
ContentViewRequired = true
// ContentViewAdvanced is defined to map to the Advanced contentview
ContentViewAdvanced = false
// styleFile contains the style information of the installer
styleFile = "style.css"
)
// Gui is the main gui data struct and holds data about the higher level data for this
// front end, it also implements the Frontend interface
type Gui struct {
// TODO: Technically there need NOT be a separate Window struct. Its contents can be in this Gui struct.
window *Window
}
// New creates a new Gui frontend instance
func New() *Gui {
return &Gui{}
}
// MustRun is part of the Frontend interface implementation and tells the core that this
// frontend wants/must run.
func (gui *Gui) MustRun(args *args.Args) bool {
if args.ForceTUI {
msg := "Incompatible flag '--tui' for the graphical installer"
fmt.Println(msg)
log.Error(msg)
return false
}
// Can graphics be initialized?
if gtk.InitCheck(nil) == nil {
return true
} else if args.ForceGUI {
fmt.Println("Error: Could not initialize graphics.")
return false
} else {
return false
}
}
// Run is part of the Frontend interface implementation and is the gui frontend main entry point
func (gui *Gui) Run(md *model.SystemInstall, rootDir string, options args.Args) (bool, error) {
if err := md.InteractiveOptionsValid(); err != nil {
fmt.Println(err)
log.Error(err.Error())
return false, nil
}
// When using the Interactive Installer we always want to copy network
// configurations to the target system
md.CopyNetwork = options.CopyNetwork
// When using the Interactive Installer we want to copy configurations
// from /etc/swupd by default to the target system
if !options.CopySwupdSet {
md.CopySwupd = true
}
// Use dark theming if available to differentiate from other apps
st, err := gtk.SettingsGetDefault()
if err != nil {
return false, err
}
if err := st.SetProperty("gtk-application-prefer-dark-theme", true); err != nil {
return false, err
}
sc, err := gtk.CssProviderNew()
if err != nil {
return false, err
}
themeDir, err := utils.LookupThemeDir()
if err != nil {
return false, err
}
if err := sc.LoadFromPath(filepath.Join(themeDir, styleFile)); err != nil {
return false, err
}
screen, err := gdk.ScreenGetDefault()
if err != nil {
return false, err
}
gtk.AddProviderForScreen(screen, sc, gtk.STYLE_PROVIDER_PRIORITY_APPLICATION)
// Construct window
gui.window, err = NewWindow(md, rootDir, options)
if err != nil {
// NOTE: Error popup dialog i.e Panic() should not be called for crashes during initial window creation
// as gtk.Main() is not running at this point. Such errors are only logged.
return false, err
}
// Configure the Gnome proxy function
SetupGnomeProxy()
// Main loop
gtk.Main()
return false, nil
}