diff options
author | Frederik Gladhorn <frederik.gladhorn@digia.com> | 2013-11-26 22:30:27 +0100 |
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committer | Frederik Gladhorn <frederik.gladhorn@digia.com> | 2013-11-26 22:35:48 +0100 |
commit | 4a8273a6fc2e741e811cf5dabc9a3c240306cf7f (patch) | |
tree | 2148abc88f8543eecdc0b97b2dd92594836af9b2 /src/corelib/tools/qcommandlineparser.cpp | |
parent | 036c5db468164297d213764c59a4b59daa76d90a (diff) | |
parent | 1c2be58fecaff1de5f2849192eb712984ebd59bd (diff) |
Merge remote-tracking branch 'origin/stable' into dev
For the conflicts in msvc_nmake.cpp the ifdefs are extended since we
need to support windows phone in the target branch while it is not there
in the current stable branch (as of Qt 5.2).
Conflicts:
configure
qmake/generators/win32/msvc_nmake.cpp
src/3rdparty/angle/src/libEGL/Surface.cpp
src/angle/src/common/common.pri
src/corelib/global/qglobal.h
src/corelib/io/qstandardpaths.cpp
src/plugins/platforms/qnx/qqnxintegration.cpp
src/plugins/platforms/qnx/qqnxscreeneventhandler.h
src/plugins/platforms/xcb/qglxintegration.h
src/widgets/kernel/win.pri
tests/auto/corelib/thread/qreadwritelock/tst_qreadwritelock.cpp
tests/auto/corelib/tools/qdatetime/tst_qdatetime.cpp
tests/auto/gui/text/qtextdocument/tst_qtextdocument.cpp
tools/configure/configureapp.cpp
Change-Id: I00b579eefebaf61d26ab9b00046d2b5bd5958812
Diffstat (limited to 'src/corelib/tools/qcommandlineparser.cpp')
-rw-r--r-- | src/corelib/tools/qcommandlineparser.cpp | 49 |
1 files changed, 44 insertions, 5 deletions
diff --git a/src/corelib/tools/qcommandlineparser.cpp b/src/corelib/tools/qcommandlineparser.cpp index 8054542333..5463e4f0c1 100644 --- a/src/corelib/tools/qcommandlineparser.cpp +++ b/src/corelib/tools/qcommandlineparser.cpp @@ -845,11 +845,50 @@ static QString wrapText(const QString &names, int longestOptionNameString, const { const QLatin1Char nl('\n'); QString text = QStringLiteral(" ") + names.leftJustified(longestOptionNameString) + QLatin1Char(' '); - const int leftColumnWidth = text.length(); - const int rightColumnWidth = 79 - leftColumnWidth; - text += description.left(rightColumnWidth) + nl; - for (int n = rightColumnWidth; n < description.length(); n += rightColumnWidth) - text += QStringLiteral(" ").repeated(leftColumnWidth) + description.mid(n, rightColumnWidth) + nl; + const int indent = text.length(); + int lineStart = 0; + int lastBreakable = -1; + const int max = 79 - indent; + int x = 0; + const int len = description.length(); + + for (int i = 0; i < len; ++i) { + ++x; + const QChar c = description.at(i); + if (c.isSpace()) + lastBreakable = i; + + int breakAt = -1; + int nextLineStart = -1; + if (x > max && lastBreakable != -1) { + // time to break and we know where + breakAt = lastBreakable; + nextLineStart = lastBreakable + 1; + } else if ((x > max - 1 && lastBreakable == -1) || i == len - 1) { + // time to break but found nowhere [-> break here], or end of last line + breakAt = i + 1; + nextLineStart = breakAt; + } else if (c == nl) { + // forced break + breakAt = i; + nextLineStart = i + 1; + } + + if (breakAt != -1) { + const int numChars = breakAt - lineStart; + //qDebug() << "breakAt=" << description.at(breakAt) << "breakAtSpace=" << breakAtSpace << lineStart << "to" << breakAt << description.mid(lineStart, numChars); + if (lineStart > 0) + text += QString(indent, QLatin1Char(' ')); + text += description.midRef(lineStart, numChars) + nl; + x = 0; + lastBreakable = -1; + lineStart = nextLineStart; + if (lineStart < len && description.at(lineStart).isSpace()) + ++lineStart; // don't start a line with a space + i = lineStart; + } + } + return text; } |