150 lines
4.6 KiB
Go
150 lines
4.6 KiB
Go
/*
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Copyright © Brian Buller <brian@bullercodeworks.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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package widgets
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import (
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wh "git.bullercodeworks.com/brian/tcell-widgets/helpers"
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"github.com/gdamore/tcell"
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)
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// TopMenuLayout is a greedy widget and will consume all of the space you
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// give it
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type TopMenuLayout struct {
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id string
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style tcell.Style
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x, y int
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w, h int
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menu *Menu
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widget Widget
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active bool
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visible bool
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}
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var _ Widget = (*TopMenuLayout)(nil)
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func NewTopMenuLayout(id string, s tcell.Style) *TopMenuLayout {
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ret := &TopMenuLayout{}
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ret.Init(id, s)
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return ret
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}
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func (w *TopMenuLayout) Init(id string, s tcell.Style) {
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w.id = id
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w.style = s
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w.visible = true
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w.menu = NewMenu("mainmenu", tcell.StyleDefault)
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w.menu.SetActive(false)
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w.menu.SetType(MenuTypeH)
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w.menu.SetTabbable(false)
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}
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func (w *TopMenuLayout) Id() string { return w.id }
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func (w *TopMenuLayout) HandleResize(ev *tcell.EventResize) {
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w.w, w.h = ev.Size()
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availW, availH := w.w, w.h
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if w.menu != nil {
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w.menu.SetPos(Coord{X: 0, Y: 0})
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w.menu.SetSize(Coord{X: w.w, Y: 1})
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availH = w.h - 1
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}
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if w.widget != nil {
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w.widget.SetPos(Coord{X: 0, Y: 1})
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w.widget.HandleResize(tcell.NewEventResize(availW-1, availH-1))
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}
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}
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func (w *TopMenuLayout) HandleKey(ev *tcell.EventKey) bool {
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if !w.active {
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return false
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}
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if ev.Key() == tcell.KeyEscape && w.menu != nil {
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w.menu.SetActive(!w.menu.Active())
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return true
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}
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if w.menu.HandleKey(ev) {
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return true
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}
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// Pass the key through to the main widget
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if w.widget != nil {
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return w.widget.HandleKey(ev)
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}
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return false
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}
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func (w *TopMenuLayout) HandleTime(ev *tcell.EventTime) {
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w.menu.HandleTime(ev)
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w.widget.HandleTime(ev)
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}
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func (w *TopMenuLayout) Draw(screen tcell.Screen) {
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if !w.visible {
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return
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}
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p := w.GetPos()
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if w.menu != nil {
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w.menu.DrawOffset(p, screen)
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}
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if w.widget != nil {
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w.widget.DrawOffset(p, screen)
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}
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}
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func (w *TopMenuLayout) DrawOffset(c Coord, screen tcell.Screen) {
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p := w.GetPos()
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w.SetPos(p.Add(c))
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w.Draw(screen)
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w.SetPos(p)
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}
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func (w *TopMenuLayout) Active() bool { return w.active }
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func (w *TopMenuLayout) SetActive(a bool) { w.active = a }
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func (w *TopMenuLayout) Visible() bool { return w.visible }
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func (w *TopMenuLayout) SetVisible(a bool) { w.visible = a }
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func (w *TopMenuLayout) SetX(x int) { w.x = x }
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func (w *TopMenuLayout) SetY(y int) { w.y = y }
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func (w *TopMenuLayout) GetX() int { return w.x }
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func (w *TopMenuLayout) GetY() int { return w.y }
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func (w *TopMenuLayout) GetPos() Coord { return Coord{X: w.x, Y: w.y} }
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func (w *TopMenuLayout) SetPos(c Coord) { w.x, w.y = c.X, c.Y }
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func (w *TopMenuLayout) SetW(x int) { w.w = x }
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func (w *TopMenuLayout) SetH(y int) { w.h = y }
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func (w *TopMenuLayout) GetW() int { return w.w }
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func (w *TopMenuLayout) GetH() int { return w.y }
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func (w *TopMenuLayout) SetSize(c Coord) { w.w, w.h = c.X, c.Y }
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func (w *TopMenuLayout) Focusable() bool { return true }
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func (w *TopMenuLayout) SetTabbable(b bool) {}
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func (w *TopMenuLayout) Tabbable() bool { return true }
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func (w *TopMenuLayout) WantW() int { return wh.MaxInt }
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func (w *TopMenuLayout) WantH() int { return wh.MaxInt }
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func (w *TopMenuLayout) MinW() int { return 0 }
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func (w *TopMenuLayout) MinH() int { return 0 }
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func (w *TopMenuLayout) Menu() *Menu { return w.menu }
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func (w *TopMenuLayout) AddMenuItems(iL ...*MenuItem) { w.menu.AddItems(iL...) }
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func (w *TopMenuLayout) RemoveMenuItems(iL ...*MenuItem) { w.menu.RemoveItems(iL...) }
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func (w *TopMenuLayout) SetWidget(wd Widget) { w.widget = wd }
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