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use qtextboundary finder to rainbowify. (not working for unicode chars yet)

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This commit is contained in:
LordMZTE 2021-03-27 14:16:40 +01:00
parent 947b8c0291
commit a898abcecb
1 changed files with 13 additions and 5 deletions
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18
src/Utils.cpp
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@ -20,6 +20,7 @@
#include <bits/c++config.h>
#include <cmath>
#include <fmt/core.h>
#include <qtextboundaryfinder.h>
#include <variant>
#include <cmark.h>
@ -27,6 +28,7 @@
#include "Cache.h"
#include "Config.h"
#include "EventAccessors.h"
#include "Logging.h"
#include "MatrixClient.h"
#include "UserSettingsPage.h"
@ -510,9 +512,15 @@ utils::markdownToHtml(const QString &text, bool rainbowify)
std::string nodeText(tmp_buf);
// create buffer to append rainbow text to
std::string buf;
for (std::size_t i = 0; i < nodeText.length(); i++) {
int boundaryStart = 0;
int boundaryEnd = 0;
QTextBoundaryFinder tbf(QTextBoundaryFinder::BoundaryType::Grapheme, QString::fromStdString(nodeText));
while ((boundaryEnd = tbf.toNextBoundary()) != -1) {
nhlog::ui()->info("from {} to {}", boundaryStart, boundaryEnd);
auto curChar = nodeText.substr(boundaryStart, boundaryEnd - boundaryEnd + 1);
boundaryStart = boundaryEnd;
// Don't rainbowify spaces
if (nodeText.at(i) == ' ') {
if (curChar == " ") {
buf.push_back(' ');
continue;
}
@ -522,11 +530,11 @@ utils::markdownToHtml(const QString &text, bool rainbowify)
// format color for HTML
auto colorString = color.name(QColor::NameFormat::HexRgb);
// create HTML element for current char
auto curChar = fmt::format("<font color=\"{}\">{}</font>",
auto curCharColored = fmt::format("<font color=\"{}\">{}</font>",
colorString.toStdString(),
nodeText.at(i));
curChar);
// append colored HTML element to buffer
buf.append(curChar);
buf.append(curCharColored);
charIdx++;
}