func dialogAskBackend() {
// Need to keep the string as it is for translation.
str := "OpenGL allows you to use the hardware acceleration, reducing the CPU load to the minimum.\nIt also allows some pretty visual effects similar to Compiz.\nHowever, some cards and/or their drivers don't fully support it, which may prevent the dock from running correctly.\nDo you want to activate OpenGL ?\n (To not show this dialog, launch the dock from the Application menu,\n or with the -o option to force OpenGL and -c to force cairo.)"
dialog := newgtk.Dialog()
dialog.SetTitle(tran.Slate("Use OpenGL in Cairo-Dock"))
dialog.AddButton(tran.Slate("Yes"), gtk.RESPONSE_YES)
dialog.AddButton(tran.Slate("No"), gtk.RESPONSE_NO)
labelTxt := newgtk.Label(tran.Slate(str))
content, _ := dialog.GetContentArea()
content.PackStart(labelTxt, false, false, 0)
askBox := newgtk.Box(gtk.ORIENTATION_HORIZONTAL, 3)
content.PackStart(askBox, false, false, 0)
labelSave := newgtk.Label(tran.Slate("Remember this choice"))
check := newgtk.CheckButton()
askBox.PackEnd(check, false, false, 0)
askBox.PackEnd(labelSave, false, false, 0)
dialog.ShowAll()
answer := dialog.Run() // has its own main loop, so we can call it before gtk_main.
remember := check.GetActive()
dialog.Destroy()
if answer == int(gtk.RESPONSE_NO) {
gldi.GLBackendDeactivate()
}
if remember { // save user choice to file.
value := ternary.String(gtk.ResponseType(answer) == gtk.RESPONSE_YES, "opengl", "cairo")
updateHiddenFile("default backend", value)
}
}
// Init is the first step to initialize the dock.
//
func (settings *DockSettings) Init() {
confdir := cdglobal.ConfigDirDock(settings.UserDefinedDataDir)
settings.isFirstLaunch = !files.IsExist(confdir) // TODO: need test is dir.
hidden := loadHidden(confdir)
settings.isNewVersion = hidden.LastVersion != globals.Version()
settings.sessionWasUsed = hidden.SessionWasUsed
// MISSING
// //\___________________ build the command line used to respawn, and check if we have been launched from another life.
// mute all output messages if CD is not launched from a terminal
// if (getenv("TERM") == NULL) /// why not isatty(stdout) ?...
// g_set_print_handler(PrintMuteFunc);
gldi.DbusGThreadInit() // it's a wrapper: it will use dbus_threads_init_default ();
gtk.Init(nil)
//\___________________ C dock log.
if settings.Verbosity != "" {
gldi.LogSetLevelFromName(settings.Verbosity)
}
if settings.ForceColor {
gldi.LogForceUseColor()
}
//\___________________ delay the startup if specified.
if settings.Delay > 0 {
<-time.After(time.Duration(settings.Delay) * time.Second)
}
//\___________________ initialize libgldi.
var rendering gldi.RenderingMethod
switch {
case settings.ForceOpenGL:
rendering = gldi.RenderingOpenGL
case settings.ForceCairo:
rendering = gldi.RenderingCairo
default:
rendering = gldi.RenderingDefault
}
gldi.Init(int(rendering))
//\___________________ set custom user options.
if settings.KeepAbove {
gldi.ForceDocksAbove()
}
if settings.NoSticky {
gldi.SetContainersNonSticky()
}
if settings.MetacityWorkaround {
gldi.DisableContainersOpacity()
}
env := DesktopEnvironment(settings.Env)
if env != gldi.DeskEnvUnknown {
gldi.FMForceDeskEnv(env)
}
if settings.IndirectOpenGL {
gldi.GLBackendForceIndirectRendering()
}
if settings.ThemeServer == "" {
settings.ThemeServer = cdglobal.DownloadServerURL
}
gldi.SetPaths(confdir, // will later be available as DirDockData (g_cCairoDockDataDir)
cdglobal.ConfigDirExtras,
cdglobal.ConfigDirDockThemes,
cdglobal.ConfigDirCurrentTheme,
cdglobal.CairoDockShareThemesDir,
cdglobal.DockThemeServerTag,
settings.ThemeServer)
about.Img = globals.DirShareData(cdglobal.ConfigDirDockImages, cdglobal.FileCairoDockLogo)
//\___________________ Check that OpenGL is safely usable, if not ask the user what to do.
// Unsafe OpenGL requires to be confirmed to use (need forced in conf or user validation).
if settings.AskBackend || (gldi.GLBackendIsUsed() && !gldi.GLBackendIsSafe() && !settings.ForceOpenGL && !settings.IndirectOpenGL) {
if settings.AskBackend || hidden.DefaultBackend == "" { // no backend defined.
dialogAskBackend()
} else if hidden.DefaultBackend != "opengl" { // disable opengl if unused, revert to cairo.
gldi.GLBackendDeactivate()
}
}
// Remove excluded applets.
for _, name := range settings.Exclude {
cdtype.Applets.Unregister(name)
}
//\___________________ load plug-ins (must be done after everything is initialized).
if !settings.SafeMode {
err := gldi.ModulesNewFromDirectory("")
log.Err(err, "no module will be available")
if settings.ModulesDir != "" {
err := gldi.ModulesNewFromDirectory(settings.ModulesDir)
log.Err(err, "no additionnal module will be available")
}
}
}