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btex: hyperlinks on toc and index page

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This commit is contained in:
minjaesong
2024-05-18 17:30:25 +09:00
parent 82627a8ab4
commit 1cb70c4620
2 changed files with 43 additions and 31 deletions
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5
src/net/torvald/btex/BTeXDocument.kt
View File

@@ -349,13 +349,13 @@ data class BTeXClickable(
posX - HBPADH + doc.pageMarginH, posX - HBPADH + doc.pageMarginH,
posY - HBPADV + doc.pageMarginV, posY - HBPADV + doc.pageMarginV,
width + 2 * HBPADH, width + 2 * HBPADH,
doc.lineHeightInPx + 2 * HBPADV height + 2 * HBPADV
) )
} }
fun pointInHitbox(doc: BTeXDocument, x: Int, y: Int) = fun pointInHitbox(doc: BTeXDocument, x: Int, y: Int) =
(x in posX - HBPADH + doc.pageMarginH until posX - HBPADH + doc.pageMarginH + width + 2 * HBPADH && (x in posX - HBPADH + doc.pageMarginH until posX - HBPADH + doc.pageMarginH + width + 2 * HBPADH &&
y in posY - HBPADV + doc.pageMarginV until posY - HBPADV + doc.pageMarginV + doc.lineHeightInPx + 2 * HBPADV) y in posY - HBPADV + doc.pageMarginV until posY - HBPADV + doc.pageMarginV + height + 2 * HBPADV)
companion object { companion object {
private const val HBPADH = 0 private const val HBPADH = 0
@@ -460,6 +460,7 @@ abstract class BTeXBatchDrawCall(
class BTeXDrawCall( class BTeXDrawCall(
val doc: BTeXDocument, val doc: BTeXDocument,
val pageObject: BTeXPage,
var posX: Int, // position relative to the page start (excluding page margin) var posX: Int, // position relative to the page start (excluding page margin)
var posY: Int, // position relative to the page start (excluding page margin) var posY: Int, // position relative to the page start (excluding page margin)
val theme: String, val theme: String,

69
src/net/torvald/btex/BTeXParser.kt
View File

@@ -301,7 +301,7 @@ object BTeXParser {
elemOpeners["processElem$theTag"].let { elemOpeners["processElem$theTag"].let {
if (it == null) if (it == null)
System.err.println("Unknown tag: $theTag") // System.err.println("Unknown tag: $theTag")
else { else {
try { try {
it.call(this, this, doc, uri, attribs) it.call(this, this, doc, uri, attribs)
@@ -378,7 +378,7 @@ object BTeXParser {
if (currentHrefId != oldHrefTarget) { if (currentHrefId != oldHrefTarget) {
// rising edge // rising edge
if (currentHrefId != null) { if (currentHrefId != null) {
printdbg("Href IN($currentHrefId) \t\"$str\"") // printdbg("Href IN($currentHrefId) \t\"$str\"")
// put OBJ on every word, separated by whitespaces // put OBJ on every word, separated by whitespaces
// transform the word such that: // transform the word such that:
@@ -395,15 +395,15 @@ object BTeXParser {
} }
// falling edge // falling edge
else { else {
printdbg("Href OUT(null) \t\"$str\"") // printdbg("Href OUT(null) \t\"$str\"")
} }
} }
// hrefId held high // hrefId held high
else if (currentHrefId != null) { else if (currentHrefId != null) {
printdbg("Href($currentHrefId) \t\"$str\"") // printdbg("Href($currentHrefId) \t\"$str\"")
} }
else { else {
printdbg("String \t\"$str\"") // printdbg("String \t\"$str\"")
} }
@@ -1519,8 +1519,6 @@ object BTeXParser {
it.posY += yDelta it.posY += yDelta
it.deltaY += yDelta it.deltaY += yDelta
} }
println()
} }
// make sure page after the part always openright // make sure page after the part always openright
@@ -1632,8 +1630,8 @@ object BTeXParser {
// println("typeset par slugHeight=$slugHeight, remainder=$remainder, linesOut=$linesOut") // println("typeset par slugHeight=$slugHeight, remainder=$remainder, linesOut=$linesOut")
val textDrawCalls = textToDrawCall(handler, posYline, slugs, subset.first, subset.second) val textDrawCalls = textToDrawCall(doc.pages[pageNum], posYline, slugs, subset.first, subset.second)
val objectDrawCalls = parseAndGetObjDrawCalls(textDrawCalls[0], font, handler, posYline, slugs, subset.first, subset.second) val objectDrawCalls = parseAndGetObjDrawCalls(textDrawCalls[0], font, doc.pages[pageNum], posYline, slugs, subset.first, subset.second)
(textDrawCalls + objectDrawCalls).let { (textDrawCalls + objectDrawCalls).let {
it.forEach { it.forEach {
doc.appendDrawCall(doc.pages[pageNum], it); drawCalls.add(it) doc.appendDrawCall(doc.pages[pageNum], it); drawCalls.add(it)
@@ -1648,8 +1646,8 @@ object BTeXParser {
// get width of "word" // get width of "word"
val searchStrs = slugs.typesettedSlugs.subList(subset.first, subset.first + subset.second) val searchStrs = slugs.typesettedSlugs.subList(subset.first, subset.first + subset.second)
searchStrs.forEach { str -> searchStrs.forEach { str ->
printdbg("1HREF searchStr: ${str.toReadable()}") // printdbg("1HREF searchStr: ${str.toReadable()}")
printdbg("1HREF object: ${objSeq.toReadable()} (id=${hrefDict[objSeq.toReadable()]})") // printdbg("1HREF object: ${objSeq.toReadable()} (id=${hrefDict[objSeq.toReadable()]})")
val indexOfSequence = str.indexOfSequence(objSeq) val indexOfSequence = str.indexOfSequence(objSeq)
@@ -1666,8 +1664,8 @@ object BTeXParser {
} }
val substr = CodepointSequence(str.subList(wordOffset + 1, wordEnd)) val substr = CodepointSequence(str.subList(wordOffset + 1, wordEnd))
printdbg("1HREF word: ${substr.toReadable()}") // printdbg("1HREF word: ${substr.toReadable()}")
printdbg("1HREF hrefObj: ${hrefObj}") // printdbg("1HREF hrefObj: ${hrefObj}")
val hrefX = if (objectIsSplit) 0 else hrefObj.x val hrefX = if (objectIsSplit) 0 else hrefObj.x
var hrefY = hrefObj.y; if (objectIsSplit) hrefY += doc.lineHeightInPx var hrefY = hrefObj.y; if (objectIsSplit) hrefY += doc.lineHeightInPx
@@ -1681,12 +1679,12 @@ object BTeXParser {
} }
// target word is on the next line (probably) // target word is on the next line (probably)
else { else {
printdbg("1HREF object was cut off by the linebreak") // printdbg("1HREF object was cut off by the linebreak")
objectIsSplit = true objectIsSplit = true
} }
} }
printdbg(" ") // printdbg(" ")
} }
} }
// >>> HREF code ends here!! <<< // >>> HREF code ends here!! <<<
@@ -1703,8 +1701,8 @@ object BTeXParser {
val subset = linesOut to remainder val subset = linesOut to remainder
val posYline = doc.linesPrintedOnPage[pageNum] val posYline = doc.linesPrintedOnPage[pageNum]
val textDrawCalls = textToDrawCall(handler, posYline, slugs, subset.first, subset.second) val textDrawCalls = textToDrawCall(doc.pages[pageNum], posYline, slugs, subset.first, subset.second)
val objectDrawCalls = parseAndGetObjDrawCalls(textDrawCalls[0], font, handler, posYline, slugs, subset.first, subset.second) val objectDrawCalls = parseAndGetObjDrawCalls(textDrawCalls[0], font, doc.pages[pageNum], posYline, slugs, subset.first, subset.second)
(textDrawCalls + objectDrawCalls).let { (textDrawCalls + objectDrawCalls).let {
it.forEach { it.forEach {
doc.appendDrawCall(doc.pages[pageNum], it); drawCalls.add(it) doc.appendDrawCall(doc.pages[pageNum], it); drawCalls.add(it)
@@ -1719,8 +1717,8 @@ object BTeXParser {
// get width of "word" // get width of "word"
val searchStrs = slugs.typesettedSlugs.subList(subset.first, subset.first + subset.second) val searchStrs = slugs.typesettedSlugs.subList(subset.first, subset.first + subset.second)
searchStrs.forEach { str -> searchStrs.forEach { str ->
printdbg("2HREF searchStr: ${str.toReadable()}") // printdbg("2HREF searchStr: ${str.toReadable()}")
printdbg("2HREF object: ${objSeq.toReadable()} (id=${hrefDict[objSeq.toReadable()]})") // printdbg("2HREF object: ${objSeq.toReadable()} (id=${hrefDict[objSeq.toReadable()]})")
val indexOfSequence = str.indexOfSequence(objSeq) val indexOfSequence = str.indexOfSequence(objSeq)
@@ -1741,8 +1739,8 @@ object BTeXParser {
// retrieve the actual word // retrieve the actual word
val substr = CodepointSequence(str.subList(wordOffset + 1, wordEnd)) val substr = CodepointSequence(str.subList(wordOffset + 1, wordEnd))
printdbg("2HREF word: ${substr.toReadable()}") // printdbg("2HREF word: ${substr.toReadable()}")
printdbg("2HREF hrefObj: ${hrefObj}") // printdbg("2HREF hrefObj: ${hrefObj}")
val hrefX = if (objectIsSplit) 0 else hrefObj.x val hrefX = if (objectIsSplit) 0 else hrefObj.x
var hrefY = hrefObj.y; if (objectIsSplit) hrefY += doc.lineHeightInPx var hrefY = hrefObj.y; if (objectIsSplit) hrefY += doc.lineHeightInPx
@@ -1756,12 +1754,12 @@ object BTeXParser {
} }
// target word is on the next line (probably) // target word is on the next line (probably)
else { else {
printdbg("2HREF object was cut off by the linebreak") // printdbg("2HREF object was cut off by the linebreak")
objectIsSplit = true objectIsSplit = true
} }
} }
printdbg(" ") // printdbg(" ")
} }
} }
// >>> HREF code ends here!! <<< // >>> HREF code ends here!! <<<
@@ -1780,10 +1778,10 @@ object BTeXParser {
return drawCalls to clickables return drawCalls to clickables
} }
private fun textToDrawCall(handler: BTeXHandler, posYline: Int, slugs: MovableType, lineStart: Int, lineCount: Int): List<BTeXDrawCall> { private fun textToDrawCall(page: BTeXPage, posYline: Int, slugs: MovableType, lineStart: Int, lineCount: Int): List<BTeXDrawCall> {
return listOf( return listOf(
BTeXDrawCall( BTeXDrawCall(
doc, 0, posYline * doc.lineHeightInPx, currentTheme, doc, page, 0, posYline * doc.lineHeightInPx, currentTheme,
TypesetDrawCall(slugs, lineStart, lineCount) TypesetDrawCall(slugs, lineStart, lineCount)
) )
) )
@@ -1792,7 +1790,7 @@ object BTeXParser {
private fun parseAndGetObjDrawCalls( private fun parseAndGetObjDrawCalls(
textDrawCall: BTeXDrawCall, textDrawCall: BTeXDrawCall,
font: TerrarumSansBitmap, font: TerrarumSansBitmap,
handler: BTeXHandler, page: BTeXPage,
posYline: Int, posYline: Int,
slugs: MovableType, slugs: MovableType,
lineStart: Int, lineStart: Int,
@@ -1818,7 +1816,7 @@ object BTeXParser {
if (idbuf.isNotBlank() && !idbuf.startsWith("HREF@")) { if (idbuf.isNotBlank() && !idbuf.startsWith("HREF@")) {
out.add(BTeXDrawCall( out.add(BTeXDrawCall(
doc, x, y, currentTheme, doc, page, x, y, currentTheme,
cmd = objDict[idbuf.toString()]?.invoke(textDrawCall) cmd = objDict[idbuf.toString()]?.invoke(textDrawCall)
?: throw NullPointerException("No OBJ with id '$idbuf' exists"), ?: throw NullPointerException("No OBJ with id '$idbuf' exists"),
font = font, font = font,
@@ -1869,8 +1867,8 @@ object BTeXParser {
return out return out
} }
private fun typesetTOCline(heading: String, name: String, pageNum: Int, handler: BTeXHandler, indentation: Int = 0, pageToWrite: Int? = null) { private fun typesetTOCline(heading: String, name: String, pageNumInt: Int, handler: BTeXHandler, indentation: Int = 0, pageToWrite: Int? = null) {
val pageNum = pageNum.plus(1).toString() val pageNum = pageNumInt.plus(1).toString()
val pageNumWidth = getFont().getWidth(pageNum) val pageNumWidth = getFont().getWidth(pageNum)
val typeWidth = doc.textWidth - indentation val typeWidth = doc.textWidth - indentation
val dotGap = 10 val dotGap = 10
@@ -1921,6 +1919,19 @@ object BTeXParser {
font.drawToPixmap(pixmap, "$ccDefault$pageNum", x + typeWidth - pageNumWidth, y) font.drawToPixmap(pixmap, "$ccDefault$pageNum", x + typeWidth - pageNumWidth, y)
} }
// create and add hyperlinks to the page
if (call.text?.getText() != null) {
val boxh = call.text.getText().size * doc.lineHeightInPx
val boxw = doc.textWidth
val boxx = call.posX - indentation
val boxy = call.posY
val target = pageNumInt
val thePage = call.pageObject
thePage.appendClickable(BTeXClickable(boxx, boxy, boxw, boxh) { it.gotoPage(target) })
}
} }
} }
} }