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fix: horizontal scrollbar calculations for C/C++ view

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- added msvc define NOMINMAX so we can use std::max
This commit is contained in:
Sen66
2026-03-05 12:46:55 +01:00
parent cd52451210
commit a46da4ee16
2 changed files with 17 additions and 0 deletions
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2
msvc/Reclass.vcxproj
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@@ -66,6 +66,7 @@
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
<ClCompile>
<AdditionalIncludeDirectories>..\third_party\fadec\;..\third_party\raw_pdb\src\;..\third_party\qscintilla\src\;..\src\</AdditionalIncludeDirectories>
<PreprocessorDefinitions>NOMINMAX;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile>
<Link>
<AdditionalDependencies>dwmapi.lib;dbghelp.lib;%(AdditionalDependencies)</AdditionalDependencies>
@@ -80,6 +81,7 @@
</Link>
<ClCompile>
<AdditionalIncludeDirectories>..\third_party\fadec\;..\third_party\raw_pdb\src\;..\third_party\qscintilla\src\;..\src\</AdditionalIncludeDirectories>
<PreprocessorDefinitions>NOMINMAX;%(PreprocessorDefinitions)</PreprocessorDefinitions>
</ClCompile>
<PostBuildEvent>
<Command>$(QtToolsPath)/windeployqt $(SolutionDir)$(Platform)\$(Configuration)\$(ProjectName).exe</Command>

15
src/main.cpp
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@@ -2263,6 +2263,21 @@ void MainWindow::updateRenderedView(TabState& tab, SplitPane& pane) {
// Set text
pane.rendered->setText(text);
// Set horizontal scroll width to match the longest line (ignoring trailing spaces)
{
int maxLen = 0;
const QStringList lines = text.split(QChar('\n'));
for (const auto& line : lines) {
int len = (int)line.size();
while (len > 0 && line[len - 1] == QChar(' ')) --len;
maxLen = std::max(maxLen, len);
}
QFontMetrics fm(pane.rendered->font());
int pixelWidth = fm.horizontalAdvance(QString(maxLen, QChar('0')));
pane.rendered->SendScintilla(QsciScintillaBase::SCI_SETSCROLLWIDTH,
(unsigned long)qMax(1, pixelWidth));
}
// Update margin width for line count
int lineCount = pane.rendered->lines();
QString marginStr = QString(QString::number(lineCount).size() + 2, '0');