On 30/03/2019 12:09, David Faure wrote:
> On samedi 30 mars 2019 13:05:13 CET Colin Fletcher wrote:
>> On 30/03/2019 11:41, David Faure wrote:
>>> On samedi 30 mars 2019 12:37:57 CET Colin Fletcher via Rosegarden-devel
> wrote:
>>>> no known conversion for argument 2 from ‘std::nullptr_t’
>>>> to ‘QSharedPointer<Rosegarden::AudioPluginManager>’
>>>
>>> QSharedPtr only gained support for nullptr_t in Qt 5.8.
>>>
>>> Is your Qt version older than that?
>>
>> Ah, yes, debian stable here has Qt 5.7.1. That explains it: thank you!
>>
>> I'll be a little sad if it turns out that building Rosegarden on debian
>> stable isn't possible any more, but if I'm the last one left trying to
>> build it on a distro that doesn't have Qt 5.8, I'm willing to concede
>> that I'm just an old stick-in-the-mud and patch it myself locally.
>
> Nah, just change the code to use {} instead of nullptr.
> For the record, here's the patch of what I've done to get it to build: feel free to apply it if anyone else is interested in keeping Qt 5.7 compatibility; otherwise, don't worry about it. Cheers, Colin.
From 6383d97f25ff7515927c97498444ccbaab69ce4a Mon Sep 17 00:00:00 2001
From: Colin Fletcher <colin.m.fletc...@googlemail.com>
Date: Sat, 30 Mar 2019 13:00:05 +0000
Subject: Fix build with Qt 5.7.1 (don't use nullptr for QSharedPointer<>)
diff --git a/rosegarden/src/gui/application/RosegardenMainWindow.cpp b/rosegarden/src/gui/application/RosegardenMainWindow.cpp
index ec830d8a7..0b5d3a5fc 100644
--- a/rosegarden/src/gui/application/RosegardenMainWindow.cpp
+++ b/rosegarden/src/gui/application/RosegardenMainWindow.cpp
@@ -7945,7 +7945,7 @@ RosegardenMainWindow::slotImportStudioFromFile(const QString &file)
// We're only using this document temporarily, so we don't want to let it
// obliterate the command history!
bool clearCommandHistory = false, skipAutoload = true;
- RosegardenDocument *doc = new RosegardenDocument(this, nullptr, skipAutoload, clearCommandHistory, m_useSequencer);
+ RosegardenDocument *doc = new RosegardenDocument(this, QSharedPointer<Rosegarden::AudioPluginManager>(), skipAutoload, clearCommandHistory, m_useSequencer);
Studio &oldStudio = m_doc->getStudio();
Studio &newStudio = doc->getStudio();
diff --git a/rosegarden/src/gui/dialogs/ImportDeviceDialog.cpp b/rosegarden/src/gui/dialogs/ImportDeviceDialog.cpp
index 179cc3a9e..603dc46a9 100644
--- a/rosegarden/src/gui/dialogs/ImportDeviceDialog.cpp
+++ b/rosegarden/src/gui/dialogs/ImportDeviceDialog.cpp
@@ -341,7 +341,8 @@ bool
ImportDeviceDialog::importFromRG(QString fileName)
{
bool skipAutoload = true, clearCommandHistory = false;
- RosegardenDocument fileDoc(RosegardenMainWindow::self(), nullptr,
+ RosegardenDocument fileDoc(RosegardenMainWindow::self(),
+ QSharedPointer<Rosegarden::AudioPluginManager>(),
skipAutoload, clearCommandHistory);
if (!fileDoc.openDocument(fileName, false)) {
diff --git a/rosegarden/src/gui/editors/notation/SystemFont.cpp b/rosegarden/src/gui/editors/notation/SystemFont.cpp
index 582ad718e..c428f17ad 100644
--- a/rosegarden/src/gui/editors/notation/SystemFont.cpp
+++ b/rosegarden/src/gui/editors/notation/SystemFont.cpp
@@ -101,7 +101,7 @@ SystemFont::loadSystemFont(const SystemFontSpec &spec)
}
NOTATION_DEBUG << "SystemFont::loadSystemFont[Qt]: Wrong family returned, failing";
- qFontMap[name] = nullptr;
+ qFontMap[name] = QSharedPointer<QFont>();
return nullptr;
}
diff --git a/rosegarden/src/gui/studio/AudioPluginManager.cpp b/rosegarden/src/gui/studio/AudioPluginManager.cpp
index ad0f9a3df..889c0f0a1 100644
--- a/rosegarden/src/gui/studio/AudioPluginManager.cpp
+++ b/rosegarden/src/gui/studio/AudioPluginManager.cpp
@@ -197,7 +197,7 @@ AudioPluginManager::getPlugin(int number)
awaitEnumeration();
if (number < 0 || number > (int(m_plugins.size()) - 1))
- return nullptr;
+ return QSharedPointer<Rosegarden::AudioPlugin>();
return m_plugins[number];
}
@@ -246,7 +246,7 @@ AudioPluginManager::getPluginByIdentifier(QString identifier)
return (*it);
}
- return nullptr;
+ return QSharedPointer<Rosegarden::AudioPlugin>();
}
QSharedPointer<AudioPlugin>
@@ -260,7 +260,7 @@ AudioPluginManager::getPluginByUniqueId(unsigned long uniqueId)
return (*it);
}
- return nullptr;
+ return QSharedPointer<Rosegarden::AudioPlugin>();
}
AudioPluginManager::iterator
diff --git a/rosegarden/test/lilypond/lilypond_export_test.cpp b/rosegarden/test/lilypond/lilypond_export_test.cpp
index c29acc98a..fba762e4c 100644
--- a/rosegarden/test/lilypond/lilypond_export_test.cpp
+++ b/rosegarden/test/lilypond/lilypond_export_test.cpp
@@ -86,7 +86,7 @@ void TestLilypondExport::init()
void TestLilypondExport::testEmptyDocument()
{
// GIVEN a document and a lilypond exporter
- RosegardenDocument doc(nullptr, nullptr, true /*skip autoload*/, true, false /*no sound*/);
+ RosegardenDocument doc(nullptr, QSharedPointer<Rosegarden::AudioPluginManager>(), true /*skip autoload*/, true, false /*no sound*/);
const QString fileName = "out.ly";
LilyPondExporter exporter(&doc, SegmentSelection(), qstrtostr(fileName));
@@ -188,7 +188,7 @@ void TestLilypondExport::testExamples()
settings.setValue("lilyexportbeamings", (options & ExportBeaming) ? true : false);
settings.endGroup();
- RosegardenDocument doc(nullptr, nullptr, true /*skip autoload*/, true, false /*no sequencer*/);
+ RosegardenDocument doc(nullptr, QSharedPointer<Rosegarden::AudioPluginManager>(), true /*skip autoload*/, true, false /*no sequencer*/);
doc.openDocument(input, false /*not permanent, i.e. don't create midi devices*/, true /*no progress dlg*/);
LilyPondExporter exporter(&doc, SegmentSelection(), qstrtostr(fileName));
diff --git a/rosegarden/test/test_notationview_selection.cpp b/rosegarden/test/test_notationview_selection.cpp
index 426ee4065..6bd1ec682 100644
--- a/rosegarden/test/test_notationview_selection.cpp
+++ b/rosegarden/test/test_notationview_selection.cpp
@@ -22,7 +22,7 @@ class TestNotationViewSelection : public QObject
public:
TestNotationViewSelection()
- : m_doc(nullptr, nullptr, true /*skip autoload*/, true, false /*no sound*/),
+ : m_doc(nullptr, QSharedPointer<Rosegarden::AudioPluginManager>(), true /*skip autoload*/, true, false /*no sound*/),
m_view(nullptr) {}
private Q_SLOTS:
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