130 lines
2.8 KiB
Go
130 lines
2.8 KiB
Go
/*
|
|
Copyright © Brian Buller <brian@bullercodeworks.com>
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
*/
|
|
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"math/rand"
|
|
"os"
|
|
|
|
"github.com/gdamore/tcell"
|
|
)
|
|
|
|
type Ui struct {
|
|
h, w int
|
|
|
|
running bool
|
|
tScreen tcell.Screen
|
|
style tcell.Style
|
|
|
|
screen *UiScreen
|
|
|
|
cursor int
|
|
}
|
|
|
|
func NewUi() *Ui {
|
|
a := Ui{}
|
|
err := a.init()
|
|
if err != nil {
|
|
fmt.Println(err.Error())
|
|
os.Exit(1)
|
|
}
|
|
return &a
|
|
}
|
|
|
|
func (ui *Ui) init() error {
|
|
var err error
|
|
if ui.tScreen, err = tcell.NewScreen(); err != nil {
|
|
return err
|
|
}
|
|
if err = ui.tScreen.Init(); err != nil {
|
|
return err
|
|
}
|
|
|
|
ui.style = tcell.StyleDefault
|
|
ui.tScreen.SetStyle(ui.style)
|
|
ui.tScreen.Clear()
|
|
|
|
ui.SetScreen(&UiScreen{})
|
|
|
|
return nil
|
|
}
|
|
|
|
func (ui *Ui) run() error {
|
|
ui.running = true
|
|
|
|
for {
|
|
if !ui.running {
|
|
return nil
|
|
}
|
|
|
|
ui.tScreen.Clear()
|
|
ui.screen.Draw()
|
|
|
|
ui.tScreen.Show()
|
|
|
|
// Poll Events
|
|
ev := ui.tScreen.PollEvent()
|
|
switch ev := ev.(type) {
|
|
case *tcell.EventResize:
|
|
ui.tScreen.Sync()
|
|
ui.w, ui.h = ev.Size()
|
|
ui.handleResize(ev)
|
|
|
|
case *tcell.EventKey:
|
|
if ev.Key() == tcell.KeyCtrlC {
|
|
ui.stop()
|
|
return nil
|
|
}
|
|
ui.screen.HandleKey(ev)
|
|
|
|
case *tcell.EventTime:
|
|
ui.screen.HandleTime(ev)
|
|
}
|
|
}
|
|
}
|
|
|
|
func (ui *Ui) handleResize(ev *tcell.EventResize) {
|
|
ui.w, ui.h = ev.Size()
|
|
ui.screen.HandleResize(ev)
|
|
}
|
|
|
|
func (ui *Ui) GetSize() (int, int) { return ui.tScreen.Size() }
|
|
func (ui *Ui) SetScreen(scr *UiScreen) {
|
|
ui.screen = scr
|
|
ui.screen.Init(ui)
|
|
ui.screen.HandleResize(tcell.NewEventResize(ui.GetSize()))
|
|
}
|
|
|
|
func (ui *Ui) stop() { ui.running = false }
|
|
func (ui *Ui) cleanup() { ui.tScreen.Fini() }
|
|
|
|
const letters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
|
|
|
|
func RandomString(n int) string {
|
|
b := make([]byte, n)
|
|
for i := range b {
|
|
b[i] = letters[rand.Intn(len(letters))]
|
|
}
|
|
return string(b)
|
|
}
|