func (x *Imp) Edit(l, c uint) {
//
b := x.symbol
scr.Colours(x.cF, x.cB)
scr.Write1(b, l, c)
loop:
for {
scr.Warp(l, c, scr.Understroke)
b = kbd.Byte()
switch {
case ' ' <= b, b < 128, z.IsLatin1(b):
break loop
}
}
scr.Write1(b, l, c)
x.symbol = b
}
func (B *Imp) editNumber(imGraphikmodus bool, Text *string, x, y uint) {
//
var (
char byte
cursorshape scr.Shape
temp uint
firstTime bool
)
B.graphical = imGraphikmodus
// if B.usesMouse { scr.SwitchMouseCursor (true) }
Norm(Text, B.width)
B.overwritable = !Empty(*Text)
Move(Text, false)
B.index = 0
B.write(*Text, x, y)
B.index = B.width
if B.TRnumerical {
firstTime = true
edited = false
// Zahl beim ersten Lesen eines Zeichens zurücksetzen, s.u.
} else {
edited = true
}
for {
getStatus(Text)
if B.overwritable {
cursorshape = scr.Block
} else {
cursorshape = scr.Understroke
}
if B.graphical {
scr.WarpGr(x+scr.NX1()*B.index, y, cursorshape)
} else {
scr.Warp(y/scr.NY1(), x/scr.NX1()+B.index, cursorshape) // Off
}
for {
char, B.command, B.depth = kbd.Read()
switch char {
case 0: // Command
break
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
if B.TRnumerical {
if firstTime {
*Text = Clr(B.width)
status = start
firstTime = false
edited = true
}
}
if status == start {
status = bp
break
} else if status == ee {
if Contains(*Text, 'E', &temp) {
if temp >= B.width-3 { // not more than 2 digits after 'E'
break
}
}
} else {
break
}
case '-':
if B.TRnumerical {
kbd.DepositCommand(kbd.None)
kbd.DepositByte(char)
return
} else {
if Empty(*Text) || (*Text)[B.width-1] == 'E' {
break
}
}
case '.', ',':
if status == bp {
status = ap
break
}
case 'E':
if B.numerical || B.TRnumerical {
if status == ap && // noch Platz für zwei Zeichen
(*Text)[0] == space && (*Text)[1] == space {
status = ee
if B.numerical {
break
} else {
Rem(Text, B.width-2, 2)
*Text = *Text + "E+"
char = 0
break
}
}
}
case 'v':
char = 0
if B.TRnumerical { // || B.numerical {
if status == bp || status == ap {
temp = 0
for (*Text)[temp] == space {
temp++
}
if (*Text)[temp] == '-' {
Replace(Text, temp, '+')
break
} else if (*Text)[temp] == '+' {
Replace(Text, temp, '-')
break
} else if temp > 0 {
Replace(Text, temp-1, '-')
break
}
} else if status == ee {
if Contains(*Text, 'E', &temp) {
if (*Text)[temp+1] == '-' {
Replace(Text, temp+1, '+')
break
} else if (*Text)[temp+1] == '+' {
Replace(Text, temp+1, '-')
break
}
}
}
}
default:
if B.TRnumerical {
// >>> Besser wäre dies nur für den Fall, dass 'Zeichen' ein Funktionszeichen aus dem Zahlen-Modul ist:
kbd.DepositCommand(kbd.None)
kbd.DepositByte(char)
return
}
}
}
if B.graphical {
scr.WarpGr(x+scr.NX1()*B.index, y, scr.Off)
} else {
scr.Warp(y/scr.NY1(), x/scr.NX1()+B.index, scr.Off)
}
if B.command == kbd.None {
if B.index == B.width {
if B.overwritable {
B.overwritable = false
}
if char == 0 { // change of sign or exponent
temp = B.index
B.index = 0
B.write(*Text, x, y)
B.index = temp
} else if B.possibleNumerical(Text, x, y) {
temp = B.index
B.index = 0
B.write(*Text, x, y)
B.index = temp
Replace(Text, B.index-1, char)
scr.Lock()
scr.Colours(B.cF, B.cB)
if B.graphical {
scr.Write1Gr(char, int(x+scr.NX1()*(B.index-1)), int(y))
} else {
scr.Write1(char, y/scr.NY1(), x/scr.NX1()+B.index-1)
}
scr.Unlock()
} else {
}
} else {
// see editText
}
} else {
if B.doneNumerical(Text, x, y) {
break
}
}
}
// if B.usesMouse { scr.SwitchMouseCursor (false) }
}
func (B *Imp) editText(imGraphikmodus bool, Text *string, x, y uint) {
//
var char byte
var cursorshape scr.Shape
B.graphical = imGraphikmodus
// if B.usesMouse { scr.SwitchMouseCursor (true) }
Norm(Text, B.width)
B.overwritable = !Empty(*Text)
B.index = 0
B.write(*Text, x, y)
B.overwritable = !Empty(*Text)
B.write(*Text, x, y)
if B.start > 0 && B.start < B.width {
B.index = B.start
B.start = 0
} else {
B.index = 0
}
for {
if B.overwritable {
cursorshape = scr.Block
} else {
cursorshape = scr.Understroke
}
if B.graphical {
scr.WarpGr(x+scr.NX1()*B.index, y, cursorshape)
} else {
scr.Warp(y/scr.NY1(), x/scr.NX1()+B.index, cursorshape)
}
for {
char, B.command, B.depth = kbd.Read()
if B.command < kbd.Go {
break
}
}
edited = char != byte(0)
if B.graphical {
scr.WarpGr(x+scr.NX1()*B.index, y, scr.Off)
} else {
scr.Warp(y/scr.NY1(), x/scr.NX1()+B.index, scr.Off)
}
if B.command == kbd.None {
if B.index == B.width {
// see editNumber
} else {
if B.possible(Text, x, y) {
Replace(Text, B.index, char)
scr.Lock()
scr.Colours(B.cF, B.cB)
if B.graphical {
scr.Write1Gr(char, int(x+scr.NX1()*B.index), int(y))
} else {
scr.Write1(char, y/scr.NY1(), x/scr.NX1()+B.index)
}
scr.Unlock()
B.index++
}
}
} else {
if B.done(Text, x, y) {
break
}
}
}
// if B.usesMouse { scr.SwitchMouseCursor (false) }
}