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Revert to imgui editor for now, till rewrite

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This commit is contained in:
bloeys
2023-02-03 04:37:28 +04:00
parent cf20686a43
commit 967c9815a0
1 changed files with 68 additions and 46 deletions
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114
editor.go
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@ -6,18 +6,21 @@ import (
"path/filepath"
"github.com/bloeys/gopad/settings"
"github.com/bloeys/nmage/input"
"github.com/inkyblackness/imgui-go/v4"
"github.com/veandco/go-sdl2/sdl"
)
// hello there my friend
const (
linesPerNode = 100
textPadding = 10
)
type Line struct {
// @TODO: This will explode on long lines.
// We can use the same strategy of line nodes here, where a line is something like
// type Line struct {
// Line [RunesPerLine]rune
// Next *Line
// }
chars []rune
}
@ -105,56 +108,70 @@ func (e *Editor) UpdateAndDraw(drawStartPos, winSize *imgui.Vec2, newRunes []run
imgui.PushStyleColor(imgui.StyleColorFrameBg, settings.EditorBgColor)
imgui.PushStyleColor(imgui.StyleColorTextSelectedBg, settings.TextSelectionColor)
//Add padding to text
drawStartPos.X += textPadding
drawStartPos.Y += textPadding
paddedDrawStartPos := *drawStartPos
//Make edits
posInfo := e.getPositions(&paddedDrawStartPos)
e.Insert(&posInfo, newRunes)
if input.KeyClicked(sdl.K_LEFT) {
e.MoveMouseXByChars(-1, &posInfo)
} else if input.KeyClicked(sdl.K_RIGHT) {
e.MoveMouseXByChars(1, &posInfo)
imgui.SetNextItemWidth(winSize.X)
if imgui.InputTextMultilineV("", &e.FileContents, imgui.Vec2{X: winSize.X - winSize.X*0.02, Y: winSize.Y - winSize.Y*0.02}, imgui.InputTextFlagsNone, nil) {
e.IsModified = true
}
if input.KeyClicked(sdl.K_UP) {
e.MoveMouseYByLines(-1, &posInfo)
} else if input.KeyClicked(sdl.K_DOWN) {
e.MoveMouseYByLines(1, &posInfo)
}
// @NOTE: Commented out until rewrite that doesn't use imgui as an editor is complete
// //Draw window
// imgui.SetNextWindowPos(*drawStartPos)
// imgui.SetNextWindowSize(*winSize)
// imgui.BeginV("editorText", nil, imgui.WindowFlagsNoCollapse|imgui.WindowFlagsNoDecoration|imgui.WindowFlagsNoMove)
if input.KeyClicked(sdl.K_BACKSPACE) {
e.Delete(&posInfo, 1)
}
// imgui.PushStyleColor(imgui.StyleColorFrameBg, settings.EditorBgColor)
// imgui.PushStyleColor(imgui.StyleColorTextSelectedBg, settings.TextSelectionColor)
//Draw text
dl := imgui.WindowDrawList()
linesToDraw := int(winSize.Y / e.LineHeight)
startLine := clampInt(int(e.StartPos), 0, e.LineCount)
for i := startLine; i < startLine+linesToDraw; i++ {
dl.AddText(*drawStartPos, imgui.PackedColorFromVec4(imgui.Vec4{X: 1, Y: 1, Z: 1, W: 1}), string(e.GetLine(0+i).chars))
drawStartPos.Y += e.LineHeight
}
// //Add padding to text
// drawStartPos.X += textPadding
// drawStartPos.Y += textPadding
// paddedDrawStartPos := *drawStartPos
tabCount, charsToOffsetBy := getTabs(posInfo.Line, posInfo.GridXEditor)
textWidth := float32(len(posInfo.Line.chars)-tabCount+tabCount*settings.TabSize) * e.CharWidth
lineX := clampF32(float32(posInfo.GridXGlobal)+float32(charsToOffsetBy)*e.CharWidth, 0, paddedDrawStartPos.X+textWidth)
// //Make edits
// posInfo := e.getPositions(&paddedDrawStartPos)
// e.Insert(&posInfo, newRunes)
lineStart := imgui.Vec2{
X: lineX,
Y: paddedDrawStartPos.Y + float32(posInfo.GridYEditor)*e.LineHeight - e.LineHeight*0.25,
}
lineEnd := imgui.Vec2{
X: lineX,
Y: paddedDrawStartPos.Y + float32(posInfo.GridYEditor)*e.LineHeight + e.LineHeight*0.75,
}
dl.AddLineV(lineStart, lineEnd, imgui.PackedColorFromVec4(settings.CursorColor), settings.CursorWidthFactor*e.CharWidth)
// if input.KeyClicked(sdl.K_LEFT) {
// e.MoveMouseXByChars(-1, &posInfo)
// } else if input.KeyClicked(sdl.K_RIGHT) {
// e.MoveMouseXByChars(1, &posInfo)
// }
// charAtCursor := getCharFromCursor(clickedLine, clickedColGridXEditor)
// println("Chars:", "'"+charAtCursor+"'", ";", clickedColGridXEditor)
// if input.KeyClicked(sdl.K_UP) {
// e.MoveMouseYByLines(-1, &posInfo)
// } else if input.KeyClicked(sdl.K_DOWN) {
// e.MoveMouseYByLines(1, &posInfo)
// }
// if input.KeyClicked(sdl.K_BACKSPACE) {
// e.Delete(&posInfo, 1)
// }
// //Draw text
// dl := imgui.WindowDrawList()
// linesToDraw := int(winSize.Y / e.LineHeight)
// startLine := clampInt(int(e.StartPos), 0, e.LineCount)
// for i := startLine; i < startLine+linesToDraw; i++ {
// dl.AddText(*drawStartPos, imgui.PackedColorFromVec4(imgui.Vec4{X: 1, Y: 1, Z: 1, W: 1}), string(e.GetLine(0+i).chars))
// drawStartPos.Y += e.LineHeight
// }
// tabCount, charsToOffsetBy := getTabs(posInfo.Line, posInfo.GridXEditor)
// textWidth := float32(len(posInfo.Line.chars)-tabCount+tabCount*settings.TabSize) * e.CharWidth
// lineX := clampF32(float32(posInfo.GridXGlobal)+float32(charsToOffsetBy)*e.CharWidth, 0, paddedDrawStartPos.X+textWidth)
// lineStart := imgui.Vec2{
// X: lineX,
// Y: paddedDrawStartPos.Y + float32(posInfo.GridYEditor)*e.LineHeight - e.LineHeight*0.25,
// }
// lineEnd := imgui.Vec2{
// X: lineX,
// Y: paddedDrawStartPos.Y + float32(posInfo.GridYEditor)*e.LineHeight + e.LineHeight*0.75,
// }
// dl.AddLineV(lineStart, lineEnd, imgui.PackedColorFromVec4(settings.CursorColor), settings.CursorWidthFactor*e.CharWidth)
// // charAtCursor := getCharFromCursor(clickedLine, clickedColGridXEditor)
// // println("Chars:", "'"+charAtCursor+"'", ";", clickedColGridXEditor)
}
func (e *Editor) Insert(posInfo *MousePosInfo, rs []rune) {
@ -400,12 +417,17 @@ func (e *Editor) GetLineCharCount(lineNum int) int {
func ParseLines(fileContents string) (*LinesNode, int) {
head := NewLineNode()
if len(fileContents) == 0 {
return head, 0
}
lineCount := 0
start := 0
end := 0
currLine := 0
currNode := head
// @PERF: Would be a lot faster to use something like bytes index
for i := 0; i < len(fileContents); i++ {
if fileContents[i] != '\n' {