sashakoshka/mathpan
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mathpan
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Make use of new stone fixes

This commit is contained in:
Sasha Koshka 2022-11-22 00:28:26 -05:00
parent 3c2cf76df2
commit fec0f3372e
3 changed files with 15 additions and 29 deletions
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2
go.mod
View File

@ -2,7 +2,7 @@ module git.tebibyte.media/sashakoshka/mathpan
go 1.19
require git.tebibyte.media/sashakoshka/stone v0.0.0-20221119230047-9a37fbf04a0d
require git.tebibyte.media/sashakoshka/stone v0.0.0-20221122052135-ae514f5ae2db
require (
github.com/BurntSushi/freetype-go v0.0.0-20160129220410-b763ddbfe298 // indirect

4
go.sum
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@ -1,5 +1,5 @@
git.tebibyte.media/sashakoshka/stone v0.0.0-20221119230047-9a37fbf04a0d h1:JLX1/Pvt+oWohUn6wlZgOdO+uf6ps410ynRowLvErao=
git.tebibyte.media/sashakoshka/stone v0.0.0-20221119230047-9a37fbf04a0d/go.mod h1:ISnqmX6xvItOot3eW3YWLcNFeJrGpKetQGQniAjnU2A=
git.tebibyte.media/sashakoshka/stone v0.0.0-20221122052135-ae514f5ae2db h1:2llsOVwxK5oK4E/RX21tzafQBc6N+H6MwRSQykCb6ss=
git.tebibyte.media/sashakoshka/stone v0.0.0-20221122052135-ae514f5ae2db/go.mod h1:ISnqmX6xvItOot3eW3YWLcNFeJrGpKetQGQniAjnU2A=
github.com/BurntSushi/freetype-go v0.0.0-20160129220410-b763ddbfe298 h1:1qlsVAQJXZHsaM8b6OLVo6muQUQd4CwkH/D3fnnbHXA=
github.com/BurntSushi/freetype-go v0.0.0-20160129220410-b763ddbfe298/go.mod h1:D+QujdIlUNfa0igpNMk6UIvlb6C252URs4yupRUV4lQ=
github.com/BurntSushi/graphics-go v0.0.0-20160129215708-b43f31a4a966 h1:lTG4HQym5oPKjL7nGs+csTgiDna685ZXjxijkne828g=

38
main.go
View File

@ -16,10 +16,6 @@ var expressionRoot Expression
var inputBuffer stone.DamageBuffer
var showLeftColumn bool
var inputState struct {
alt bool
}
func main () {
application.SetTitle("MathPan")
application.SetSize(64, 10)
@ -31,13 +27,12 @@ func main () {
application.OnStart(onStart)
application.OnResize(redraw)
application.OnPress(onPress)
application.OnRelease(onRelease)
err = application.Run()
if err != nil { panic(err) }
}
func onPress (button stone.Button) {
func onPress (button stone.Button, modifiers stone.Modifiers) {
switch button {
case stone.KeyUp:
if selectedExpression == nil { break }
@ -72,11 +67,8 @@ func onPress (button stone.Button) {
redraw()
application.Draw()
case stone.KeyLeftAlt, stone.KeyRightAlt:
inputState.alt = true
case '[':
insertGeneric(&Operation { })
insertGeneric(&Operation { }, modifiers.Alt)
redraw()
application.Draw()
@ -84,7 +76,7 @@ func onPress (button stone.Button) {
'+', '-', '*', '/', 'p', 'r', '%', '|', '~', '&', '^', 'm',
'<', '>':
insertOperation(rune(button))
insertOperation(rune(button), modifiers.Alt)
redraw()
application.Draw()
@ -142,7 +134,9 @@ func onPress (button stone.Button) {
application.Draw()
case ' ':
insertGeneric(&IntegerLiteral { displayRadix: 10 })
insertGeneric (
&IntegerLiteral { displayRadix: 10 },
modifiers.Alt)
redraw()
application.Draw()
@ -163,7 +157,7 @@ func onPress (button stone.Button) {
insertGeneric (&IntegerLiteral {
displayRadix: 10,
value: int64(value),
})
}, modifiers.Alt)
case *IntegerLiteral:
integer := selectedExpression.(*IntegerLiteral)
@ -214,15 +208,7 @@ func onPress (button stone.Button) {
}
}
func onRelease (button stone.Button) {
switch button {
case stone.KeyLeftAlt, stone.KeyRightAlt:
inputState.alt = false
println("alt up")
}
}
func insertOperation (symbol rune) {
func insertOperation (symbol rune, swap bool) {
var opcode Opcode
switch (symbol) {
case '+': opcode = OpcodeAdd
@ -243,17 +229,17 @@ func insertOperation (symbol rune) {
operation, isOperation := selectedExpression.(*Operation)
if isOperation {
if operation.opcode == OpcodeUnknown || inputState.alt {
if operation.opcode == OpcodeUnknown || swap {
operation.opcode = opcode
return
}
}
newExpression := &Operation { opcode: opcode }
insertGeneric(newExpression)
insertGeneric(newExpression, swap)
}
func insertGeneric (expression Expression) {
func insertGeneric (expression Expression, swap bool) {
defer func () {
selectedExpression = expression
} ()
@ -267,7 +253,7 @@ func insertGeneric (expression Expression) {
parent := selectedExpression.Parent()
if inputState.alt {
if swap {
// if alt is held, swap the selected expression for the new one
if parent == nil {
expressionRoot = expression