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backported patch to optimize insertionPointsForLine

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Than Ngo 2018-10-25 11:42:48 +02:00
parent 4a376dc703
commit e56d897d9c
2 changed files with 108 additions and 0 deletions
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3
qt5-qtbase.spec
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@ -120,6 +120,7 @@ Patch69: qt5-qtbase-glibc.patch
## upstream patches
Patch500: qtbase-everywhere-src-5.11.2-rendering-issue.patch
Patch501: qtbase-everywhere-src-5.11.2-optimize-insertionPointsForLine.patch
# Do not check any files in %%{_qt5_plugindir}/platformthemes/ for requires.
# Those themes are there for platform integration. If the required libraries are
@ -378,6 +379,7 @@ Qt5 libraries used for drawing widgets and OpenGL items.
## upstream patches
%patch500 -p1 -b .rendering-issue
%patch501 -p1 -b .optimize-insertionPointsForLine
# move some bundled libs to ensure they're not accidentally used
pushd src/3rdparty
@ -988,6 +990,7 @@ fi
%changelog
* Thu Oct 25 2018 Than Ngo <than@redhat.com> - 5.11.2-3
- backported patch to fix selection rendering issues if rounding leads to left-out pixels
- backported patch to optimize insertionPointsForLine
* Thu Oct 11 2018 Rex Dieter <rdieter@fedoraproject.org> - 5.11.2-2
- -no-use-gold-linker (#1635973)

105
qtbase-everywhere-src-5.11.2-optimize-insertionPointsForLine.patch Normal file
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@ -0,0 +1,105 @@
diff -up qtbase-everywhere-src-5.11.2/src/gui/text/qtextengine.cpp.me qtbase-everywhere-src-5.11.2/src/gui/text/qtextengine.cpp
--- qtbase-everywhere-src-5.11.2/src/gui/text/qtextengine.cpp.me 2018-10-25 11:30:37.371800942 +0200
+++ qtbase-everywhere-src-5.11.2/src/gui/text/qtextengine.cpp 2018-10-25 11:36:24.496953609 +0200
@@ -3663,11 +3663,12 @@ int QTextEngine::lineNumberForTextPositi
return -1;
}
-void QTextEngine::insertionPointsForLine(int lineNum, QVector<int> &insertionPoints)
+std::vector<int> QTextEngine::insertionPointsForLine(int lineNum)
{
QTextLineItemIterator iterator(this, lineNum);
- insertionPoints.reserve(iterator.line.length);
+ std::vector<int> insertionPoints;
+ insertionPoints.reserve(size_t(iterator.line.length));
bool lastLine = lineNum >= lines.size() - 1;
@@ -3685,25 +3686,22 @@ void QTextEngine::insertionPointsForLine
insertionPoints.push_back(i);
}
}
+ return insertionPoints;
}
int QTextEngine::endOfLine(int lineNum)
{
- QVector<int> insertionPoints;
- insertionPointsForLine(lineNum, insertionPoints);
-
+ const auto insertionPoints = insertionPointsForLine(lineNum);
if (insertionPoints.size() > 0)
- return insertionPoints.constLast();
+ return insertionPoints.back();
return 0;
}
int QTextEngine::beginningOfLine(int lineNum)
{
- QVector<int> insertionPoints;
- insertionPointsForLine(lineNum, insertionPoints);
-
+ const auto insertionPoints = insertionPointsForLine(lineNum);
if (insertionPoints.size() > 0)
- return insertionPoints.constFirst();
+ return insertionPoints.front();
return 0;
}
@@ -3720,10 +3718,8 @@ int QTextEngine::positionAfterVisualMove
if (lineNum < 0)
return pos;
- QVector<int> insertionPoints;
- insertionPointsForLine(lineNum, insertionPoints);
- int i, max = insertionPoints.size();
- for (i = 0; i < max; i++)
+ const auto insertionPoints = insertionPointsForLine(lineNum);
+ for (size_t i = 0, max = insertionPoints.size(); i < max; ++i)
if (pos == insertionPoints[i]) {
if (moveRight) {
if (i + 1 < max)
diff -up qtbase-everywhere-src-5.11.2/src/gui/text/qtextengine_p.h.me qtbase-everywhere-src-5.11.2/src/gui/text/qtextengine_p.h
--- qtbase-everywhere-src-5.11.2/src/gui/text/qtextengine_p.h.me 2018-10-25 11:36:39.243002574 +0200
+++ qtbase-everywhere-src-5.11.2/src/gui/text/qtextengine_p.h 2018-10-25 11:37:45.966224143 +0200
@@ -74,6 +74,7 @@
#include <private/qunicodetools_p.h>
#include <stdlib.h>
+#include <vector>
QT_BEGIN_NAMESPACE
@@ -632,7 +633,7 @@ public:
int nextLogicalPosition(int oldPos) const;
int lineNumberForTextPosition(int pos);
int positionAfterVisualMovement(int oldPos, QTextCursor::MoveOperation op);
- void insertionPointsForLine(int lineNum, QVector<int> &insertionPoints);
+ std::vector<int> insertionPointsForLine(int lineNum);
void resetFontEngineCache();
void enableDelayDecorations(bool enable = true) { delayDecorations = enable; }
diff -up qtbase-everywhere-src-5.11.2/src/gui/text/qtextlayout.cpp.me qtbase-everywhere-src-5.11.2/src/gui/text/qtextlayout.cpp
--- qtbase-everywhere-src-5.11.2/src/gui/text/qtextlayout.cpp.me 2018-10-25 11:38:04.426285436 +0200
+++ qtbase-everywhere-src-5.11.2/src/gui/text/qtextlayout.cpp 2018-10-25 11:40:23.919748643 +0200
@@ -2841,9 +2841,7 @@ int QTextLine::xToCursor(qreal _x, Curso
bool rtl = eng->isRightToLeft();
eng->shapeLine(line);
- QVector<int> insertionPoints;
- if (visual && rtl)
- eng->insertionPointsForLine(lineNum, insertionPoints);
+ const auto insertionPoints = (visual && rtl) ? eng->insertionPointsForLine(lineNum) : std::vector<int>();
int nchars = 0;
for (int i = 0; i < nItems; ++i) {
int item = visualOrder[i]+firstItem;
@@ -2975,7 +2973,7 @@ int QTextLine::xToCursor(qreal _x, Curso
continue;
}
if (rtl && nchars > 0)
- return insertionPoints[lastLine ? nchars : nchars - 1];
+ return insertionPoints[size_t(lastLine ? nchars : nchars - 1)];
}
return eng->positionInLigature(&si, end, x, pos, -1,
cpos == QTextLine::CursorOnCharacter);