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package uitcell
import (
"fmt"
"strings"
"github.com/gdamore/tcell"
"github.com/prodhe/poe/editor"
)
// Window is a tagline and a body with an optional underlying file on disk. It is the main component and handles all events apart from the system wide shortcuts.
type Window struct {
x, y, w, h int
bufid int64
body *View
tagline *View
col *Column // reference to the column where in
collapsed bool // not implemented
qcnt int // quit count
}
// NewWindow returns a fresh window associated with the given filename. For special case filenames, look at the package constants.
func NewWindow(id int64) *Window {
win := &Window{
bufid: id,
body: &View{
text: ed.Buffer(id),
what: ViewBody,
style: bodyStyle,
cursorStyle: bodyCursorStyle,
hilightStyle: bodyHilightStyle,
tabstop: 4,
focused: true,
},
tagline: &View{
text: &editor.Buffer{},
what: ViewTagline,
style: tagStyle,
cursorStyle: tagCursorStyle,
hilightStyle: tagHilightStyle,
tabstop: 4,
},
}
fmt.Fprintf(win.tagline, "%s ",
win.TagName(),
)
return win
}
func AllWindows() []*Window {
var ws []*Window
for _, col := range workspace.cols {
ws = append(ws, col.windows...)
}
return ws
}
// FindWindow searches for the given name in current windows and returns a pointer if one already exists. Nil otherwise. Name assumes to be an absolute path.
func FindWindow(name string) *Window {
for _, win := range AllWindows() {
if win.Name() == name {
return win
}
}
return nil
}
// Resize will set new values for position and width height. Meant to be used on a resize event for proper recalculation during the Draw().
func (win *Window) Resize(x, y, w, h int) {
win.x, win.y, win.w, win.h = x, y, w, h
win.tagline.Resize(win.x+3, win.y, win.w-3, 1) // 3 for tagbox
win.body.Resize(win.x, win.y+1, win.w, win.h-1)
}
func (win *Window) Focus() {
win.body.focused = true
//win.tagline.focused = true
}
func (win *Window) UnFocus() {
win.body.focused = false
win.tagline.focused = false
}
func (win *Window) Name() string {
return win.body.text.Name()
}
func (win *Window) TagName() string {
return strings.TrimPrefix(win.body.text.Name(), ed.WorkDir())
}
func (win *Window) Dir() string {
d := win.body.text.WorkDir()
if d == "." {
return ed.WorkDir() // base path for program
}
return d
}
func (win *Window) Flags() [2]rune {
flags := [2]rune{' ', '-'}
if win.body.Dirty() {
flags[0] = '\''
}
if win.collapsed {
flags[1] = '+'
}
return flags
}
func (win *Window) HandleEvent(ev tcell.Event) {
switch ev := ev.(type) {
case *tcell.EventMouse:
_, my := ev.Position()
// Set focus to either tagline or body
if my > win.tagline.y+win.tagline.h-1 {
win.tagline.focused = false
} else {
win.tagline.focused = true
}
case *tcell.EventKey:
switch ev.Key() {
case tcell.KeyCtrlS: // save
_, err := win.body.text.SaveFile()
if err != nil {
printMsg("%s\n", err)
}
return
}
}
// Pass along the event down to current view, if we have not already done something and returned in the switch above.
if win.tagline.focused {
win.tagline.HandleEvent(ev)
} else {
win.body.HandleEvent(ev)
}
}
func (win *Window) Draw() {
flags := win.Flags()
screen.SetContent(win.x, win.y, flags[0], nil, win.tagline.style)
screen.SetContent(win.x+1, win.y, flags[1], nil, win.tagline.style)
screen.SetContent(win.x+2, win.y, ' ', nil, win.tagline.style)
// Tagline
win.tagline.Draw()
// Main text buffer
win.body.Draw()
}
func (win *Window) CanClose() bool {
if win.body.what == ViewScratch {
return true
}
ok := (!win.body.Dirty() || win.qcnt > 0)
if !ok {
name := win.Name()
if name == FnEmptyWin {
name = "unnamed buffer"
}
printMsg("%s modified\n", name)
win.qcnt++
}
return ok
}
func (win *Window) Close() {
if !win.CanClose() {
return
}
ed.CloseBuffer(win.bufid)
win.col.CloseWindow(win)
}
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