func (slct *Select) keyResponse() xevent.KeyPressFun {
f := func(X *xgbutil.XUtil, ev xevent.KeyPressEvent) {
if !slct.showing {
return
}
beforeLen := len(slct.input.Text)
mods, kc := keybind.DeduceKeyInfo(ev.State, ev.Detail)
slct.input.Add(mods, kc)
switch {
case keybind.KeyMatch(X, slct.config.BackspaceKey, mods, kc):
slct.input.Remove()
case keybind.KeyMatch(X, slct.config.CancelKey, mods, kc):
slct.Hide()
return
case keybind.KeyMatch(X, slct.config.ConfirmKey, mods, kc):
if slct.selected >= 0 && slct.selected < len(slct.items) {
slct.items[slct.selected].choose()
slct.Hide()
} else if len(slct.items) == 1 {
slct.items[0].choose()
slct.Hide()
}
return
case keybind.KeyMatch(X, "Tab", mods, kc) ||
keybind.KeyMatch(X, "ISO_Left_Tab", mods, kc):
if len(slct.items) == 0 {
break
}
if mods&xproto.ModMaskShift > 0 {
if slct.selected == -1 {
slct.selected++
}
slct.selected = misc.Mod(slct.selected-1, len(slct.items))
} else {
slct.selected = misc.Mod(slct.selected+1, len(slct.items))
}
slct.highlight()
}
// If the length of the input changed, then re-evaluate completion
if beforeLen != len(slct.input.Text) {
slct.FilterItems(string(slct.input.Text))
slct.selected = -1
slct.highlight()
}
}
return xevent.KeyPressFun(f)
}
func (hds *Heads) PrevWorkspace() *workspace.Workspace {
if cur := hds.GlobalIndex(hds.ActiveWorkspace()); cur > -1 {
// I f*****g hate Go's modulo operator. WTF.
prev := misc.Mod(cur-1, len(hds.Workspaces.Wrks))
return hds.Workspaces.Get(prev)
}
panic("bug")
}
// Prev will highlight the previous choice in the dialog.
func (cycle *Cycle) Prev() {
if !cycle.showing {
return
}
if cycle.selected == -1 {
cycle.selected = len(cycle.items) - 1
} else {
cycle.selected--
}
cycle.selected = misc.Mod(cycle.selected, len(cycle.items))
cycle.highlight()
}
// Next will highlight the next choice in the dialog.
func (cycle *Cycle) Next() {
if !cycle.showing {
return
}
if cycle.selected == -1 {
if len(cycle.items) > 1 {
cycle.selected = 1
} else {
cycle.selected = 0
}
} else {
cycle.selected++
}
cycle.selected = misc.Mod(cycle.selected, len(cycle.items))
cycle.highlight()
}