ClangTools: Add diagnostic mark class

These marks can now be disabled.
This greys out the annotation color and the icon of the mark.

Change-Id: I5af4591db4baaaef55c986252f77d5d977427b56
Reviewed-by: Christian Stenger <[email protected]>

11 files changed, 258 insertions, 129 deletions

diff --git a/src/plugins/clangtools/CMakeLists.txt b/src/plugins/clangtools/CMakeLists.txt
index 702f622c5f8..4ac94e7c253 100644
--- a/src/plugins/clangtools/CMakeLists.txt
+++ b/src/plugins/clangtools/CMakeLists.txt
@@ -31,6 +31,7 @@ add_qtc_plugin(ClangTools
     clangtoolsutils.cpp clangtoolsutils.h
     clazychecks.ui
     diagnosticconfigswidget.cpp diagnosticconfigswidget.h
+    diagnosticmark.cpp diagnosticmark.h
     executableinfo.cpp executableinfo.h
     filterdialog.cpp filterdialog.h filterdialog.ui
     runsettingswidget.cpp runsettingswidget.h runsettingswidget.ui
diff --git a/src/plugins/clangtools/clangtools.pro b/src/plugins/clangtools/clangtools.pro
index 7abb6bc53b6..2d2c3b3c271 100644
--- a/src/plugins/clangtools/clangtools.pro
+++ b/src/plugins/clangtools/clangtools.pro
@@ -29,6 +29,7 @@ SOURCES += \
     clangtoolssettings.cpp \
     clangtoolsutils.cpp \
     diagnosticconfigswidget.cpp \
+    diagnosticmark.cpp \
     executableinfo.cpp \
     filterdialog.cpp \
     runsettingswidget.cpp \
@@ -54,6 +55,7 @@ HEADERS += \
     clangtoolssettings.h \
     clangtoolsutils.h \
     diagnosticconfigswidget.h \
+    diagnosticmark.h \
     executableinfo.h \
     filterdialog.h \
     runsettingswidget.h \
diff --git a/src/plugins/clangtools/clangtools.qbs b/src/plugins/clangtools/clangtools.qbs
index 2d353ab8262..eab5cd240c0 100644
--- a/src/plugins/clangtools/clangtools.qbs
+++ b/src/plugins/clangtools/clangtools.qbs
@@ -66,6 +66,8 @@ QtcPlugin {
         "clazychecks.ui",
         "diagnosticconfigswidget.cpp",
         "diagnosticconfigswidget.h",
+        "diagnosticmark.cpp",
+        "diagnosticmark.h",
         "executableinfo.cpp",
         "executableinfo.h",
         "filterdialog.cpp",
diff --git a/src/plugins/clangtools/clangtoolsdiagnostic.cpp b/src/plugins/clangtools/clangtoolsdiagnostic.cpp
index 1623d2f6b45..7fe7098c22f 100644
--- a/src/plugins/clangtools/clangtoolsdiagnostic.cpp
+++ b/src/plugins/clangtools/clangtoolsdiagnostic.cpp
@@ -25,6 +25,8 @@
 
 #include "clangtoolsdiagnostic.h"
 
+#include <utils/utilsicons.h>
+
 namespace ClangTools {
 namespace Internal {
 
@@ -47,6 +49,19 @@ bool Diagnostic::isValid() const
     return !description.isEmpty();
 }
 
+QIcon Diagnostic::icon() const
+{
+    if (type == "warning")
+        return Utils::Icons::CODEMODEL_WARNING.icon();
+    if (type == "error" || type == "fatal")
+        return Utils::Icons::CODEMODEL_ERROR.icon();
+    if (type == "note")
+        return Utils::Icons::INFO.icon();
+    if (type == "fix-it")
+        return Utils::Icons::CODEMODEL_FIXIT.icon();
+    return {};
+}
+
 quint32 qHash(const Diagnostic &diagnostic)
 {
     return qHash(diagnostic.name)
diff --git a/src/plugins/clangtools/clangtoolsdiagnostic.h b/src/plugins/clangtools/clangtoolsdiagnostic.h
index 5c41ec87162..e64d91a29f2 100644
--- a/src/plugins/clangtools/clangtoolsdiagnostic.h
+++ b/src/plugins/clangtools/clangtoolsdiagnostic.h
@@ -53,6 +53,7 @@ class Diagnostic
 {
 public:
     bool isValid() const;
+    QIcon icon() const;
 
     QString name;
     QString description;
diff --git a/src/plugins/clangtools/clangtoolsdiagnosticmodel.cpp b/src/plugins/clangtools/clangtoolsdiagnosticmodel.cpp
index 6cf881c1591..4320b760a00 100644
--- a/src/plugins/clangtools/clangtoolsdiagnosticmodel.cpp
+++ b/src/plugins/clangtools/clangtoolsdiagnosticmodel.cpp
@@ -28,6 +28,7 @@
 #include "clangtoolsdiagnosticview.h"
 #include "clangtoolsprojectsettings.h"
 #include "clangtoolsutils.h"
+#include "diagnosticmark.h"
 
 #include <coreplugin/fileiconprovider.h>
 #include <projectexplorer/project.h>
@@ -199,95 +200,11 @@ void ClangToolsDiagnosticModel::addWatchedPath(const QString &path)
     m_filesWatcher->addPath(path);
 }
 
-static QString fixitStatus(FixitStatus status)
-{
-    switch (status) {
-    case FixitStatus::NotAvailable:
-        return ClangToolsDiagnosticModel::tr("No Fixits");
-    case FixitStatus::NotScheduled:
-        return ClangToolsDiagnosticModel::tr("Not Scheduled");
-    case FixitStatus::Invalidated:
-        return ClangToolsDiagnosticModel::tr("Invalidated");
-    case FixitStatus::Scheduled:
-        return ClangToolsDiagnosticModel::tr("Scheduled");
-    case FixitStatus::FailedToApply:
-        return ClangToolsDiagnosticModel::tr("Failed to Apply");
-    case FixitStatus::Applied:
-        return ClangToolsDiagnosticModel::tr("Applied");
-    }
-    return QString();
-}
-
 static QString lineColumnString(const Debugger::DiagnosticLocation &location)
 {
     return QString("%1:%2").arg(QString::number(location.line), QString::number(location.column));
 }
 
-static QString createDiagnosticToolTipString(
-    const Diagnostic &diagnostic,
-    Utils::optional<FixitStatus> fixItStatus = Utils::nullopt,
-    bool showSteps = true)
-{
-    using StringPair = QPair<QString, QString>;
-    QList<StringPair> lines;
-
-    if (!diagnostic.category.isEmpty()) {
-        lines << qMakePair(
-                     QCoreApplication::translate("ClangTools::Diagnostic", "Category:"),
-                     diagnostic.category.toHtmlEscaped());
-    }
-
-    if (!diagnostic.type.isEmpty()) {
-        lines << qMakePair(
-                     QCoreApplication::translate("ClangTools::Diagnostic", "Type:"),
-                     diagnostic.type.toHtmlEscaped());
-    }
-
-    if (!diagnostic.description.isEmpty()) {
-        lines << qMakePair(
-                     QCoreApplication::translate("ClangTools::Diagnostic", "Description:"),
-                     diagnostic.description.toHtmlEscaped());
-    }
-
-    lines << qMakePair(
-        QCoreApplication::translate("ClangTools::Diagnostic", "Location:"),
-                createFullLocationString(diagnostic.location));
-
-    if (fixItStatus.has_value()) {
-        lines << qMakePair(QCoreApplication::translate("ClangTools::Diagnostic", "Fixit status:"),
-                           fixitStatus(fixItStatus.value()));
-    }
-
-    if (showSteps && !diagnostic.explainingSteps.isEmpty()) {
-        StringPair steps;
-        steps.first = QCoreApplication::translate("ClangTools::Diagnostic", "Steps:");
-        for (const ExplainingStep &step : diagnostic.explainingSteps) {
-            if (!steps.second.isEmpty())
-                steps.second += "<br>";
-            steps.second += QString("%1:%2: %3")
-                                .arg(step.location.filePath,
-                                     lineColumnString(step.location),
-                                     step.message);
-        }
-        lines << steps;
-    }
-
-    QString html = QLatin1String("<html>"
-                   "<head>"
-                   "<style>dt { font-weight:bold; } dd { font-family: monospace; }</style>\n"
-                   "<body><dl>");
-
-    foreach (const StringPair &pair, lines) {
-        html += QLatin1String("<dt>");
-        html += pair.first;
-        html += QLatin1String("</dt><dd>");
-        html += pair.second;
-        html += QLatin1String("</dd>\n");
-    }
-    html += QLatin1String("</dl></body></html>");
-    return html;
-}
-
 static QString createExplainingStepToolTipString(const ExplainingStep &step)
 {
     using StringPair = QPair<QString, QString>;
@@ -365,47 +282,17 @@ static QString fullText(const Diagnostic &diagnostic)
     return text;
 }
 
-static Utils::optional<QIcon> iconForType(const QString &type)
-{
-    if (type == "warning")
-        return Utils::Icons::CODEMODEL_WARNING.icon();
-    if (type == "error" || type == "fatal")
-        return Utils::Icons::CODEMODEL_ERROR.icon();
-    if (type == "note")
-        return Utils::Icons::INFO.icon();
-    if (type == "fix-it")
-        return Utils::Icons::CODEMODEL_FIXIT.icon();
-    return Utils::nullopt;
-}
-
-static TextEditor::TextMark *generateDiagnosticTextMark(const Diagnostic &diag)
-{
-    auto mark = new TextEditor::TextMark(Utils::FilePath::fromString(diag.location.filePath),
-                                         diag.location.line,
-                                         Utils::Id("ClangTool.DiagnosticMark"));
-    if (diag.type == "error" || diag.type == "fatal")
-        mark->setColor(Utils::Theme::CodeModel_Error_TextMarkColor);
-    else
-        mark->setColor(Utils::Theme::CodeModel_Warning_TextMarkColor);
-    mark->setPriority(TextEditor::TextMark::HighPriority);
-    mark->setIcon(iconForType(diag.type).value_or(Utils::Icons::CODEMODEL_WARNING.icon()));
-    mark->setToolTip(createDiagnosticToolTipString(diag));
-    mark->setLineAnnotation(diag.description);
-    return mark;
-}
-
 DiagnosticItem::DiagnosticItem(const Diagnostic &diag,
                                const OnFixitStatusChanged &onFixitStatusChanged,
                                ClangToolsDiagnosticModel *parent)
     : m_diagnostic(diag)
     , m_onFixitStatusChanged(onFixitStatusChanged)
     , m_parentModel(parent)
+    , m_mark(new DiagnosticMark(diag))
 {
     if (diag.hasFixits)
         m_fixitStatus = FixitStatus::NotScheduled;
 
-    m_mark = generateDiagnosticTextMark(diag);
-
     // Don't show explaining steps if they add no information.
     if (diag.explainingSteps.count() == 1) {
         const ExplainingStep &step = diag.explainingSteps.first();
@@ -434,10 +321,10 @@ Qt::ItemFlags DiagnosticItem::flags(int column) const
     return itemFlags;
 }
 
-static QVariant iconData(const QString &type)
+static QVariant iconData(const Diagnostic &diagnostic)
 {
-    Utils::optional<QIcon> icon = iconForType(type);
-    return icon.has_value() ? QVariant(*icon) : QVariant();
+    QIcon icon = diagnostic.icon();
+    return icon.isNull() ? QVariant() : QVariant(icon);
 }
 
 QVariant DiagnosticItem::data(int column, int role) const
@@ -485,7 +372,7 @@ QVariant DiagnosticItem::data(int column, int role) const
         case Qt::ToolTipRole:
             return createDiagnosticToolTipString(m_diagnostic, m_fixitStatus, false);
         case Qt::DecorationRole:
-            return iconData(m_diagnostic.type);
+            return iconData(m_diagnostic);
         default:
             return QVariant();
         }
diff --git a/src/plugins/clangtools/clangtoolsdiagnosticmodel.h b/src/plugins/clangtools/clangtoolsdiagnosticmodel.h
index fe93a6e1ce8..9f4e61ef55f 100644
--- a/src/plugins/clangtools/clangtoolsdiagnosticmodel.h
+++ b/src/plugins/clangtools/clangtoolsdiagnosticmodel.h
@@ -28,6 +28,7 @@
 #include "clangfixitsrefactoringchanges.h"
 #include "clangtoolsdiagnostic.h"
 #include "clangtoolsprojectsettings.h"
+#include "clangtoolsutils.h"
 
 #include <debugger/analyzer/detailederrorview.h>
 #include <utils/fileutils.h>
@@ -48,15 +49,6 @@ namespace ProjectExplorer { class Project; }
 namespace ClangTools {
 namespace Internal {
 
-enum class FixitStatus {
-    NotAvailable,
-    NotScheduled,
-    Scheduled,
-    Applied,
-    FailedToApply,
-    Invalidated,
-};
-
 class ClangToolsDiagnosticModel;
 
 class FilePathItem : public Utils::TreeItem
diff --git a/src/plugins/clangtools/clangtoolsutils.cpp b/src/plugins/clangtools/clangtoolsutils.cpp
index c7f7cac4232..6c394aebc0c 100644
--- a/src/plugins/clangtools/clangtoolsutils.cpp
+++ b/src/plugins/clangtools/clangtoolsutils.cpp
@@ -43,13 +43,102 @@
 #include <QFileInfo>
 
 #include <cpptools/clangdiagnosticconfigsmodel.h>
-#include <cpptools/clangdiagnosticconfigsmodel.h>
 
 using namespace CppTools;
 
 namespace ClangTools {
 namespace Internal {
 
+static QString lineColumnString(const Debugger::DiagnosticLocation &location)
+{
+    return QString("%1:%2").arg(QString::number(location.line), QString::number(location.column));
+}
+
+static QString fixitStatus(FixitStatus status)
+{
+    switch (status) {
+    case FixitStatus::NotAvailable:
+        return QCoreApplication::translate("ClangToolsDiagnosticModel", "No Fixits");
+    case FixitStatus::NotScheduled:
+        return QCoreApplication::translate("ClangToolsDiagnosticModel", "Not Scheduled");
+    case FixitStatus::Invalidated:
+        return QCoreApplication::translate("ClangToolsDiagnosticModel", "Invalidated");
+    case FixitStatus::Scheduled:
+        return QCoreApplication::translate("ClangToolsDiagnosticModel", "Scheduled");
+    case FixitStatus::FailedToApply:
+        return QCoreApplication::translate("ClangToolsDiagnosticModel", "Failed to Apply");
+    case FixitStatus::Applied:
+        return QCoreApplication::translate("ClangToolsDiagnosticModel", "Applied");
+    }
+    return QString();
+}
+
+QString createDiagnosticToolTipString(
+    const Diagnostic &diagnostic,
+    Utils::optional<FixitStatus> status,
+    bool showSteps)
+{
+    using StringPair = QPair<QString, QString>;
+    QList<StringPair> lines;
+
+    if (!diagnostic.category.isEmpty()) {
+        lines << qMakePair(
+                     QCoreApplication::translate("ClangTools::Diagnostic", "Category:"),
+                     diagnostic.category.toHtmlEscaped());
+    }
+
+    if (!diagnostic.type.isEmpty()) {
+        lines << qMakePair(
+                     QCoreApplication::translate("ClangTools::Diagnostic", "Type:"),
+                     diagnostic.type.toHtmlEscaped());
+    }
+
+    if (!diagnostic.description.isEmpty()) {
+        lines << qMakePair(
+                     QCoreApplication::translate("ClangTools::Diagnostic", "Description:"),
+                     diagnostic.description.toHtmlEscaped());
+    }
+
+    lines << qMakePair(
+                 QCoreApplication::translate("ClangTools::Diagnostic", "Location:"),
+                 createFullLocationString(diagnostic.location));
+
+    if (status) {
+        lines << qMakePair(QCoreApplication::translate("ClangTools::Diagnostic", "Fixit status:"),
+                           fixitStatus(*status));
+    }
+
+    if (showSteps && !diagnostic.explainingSteps.isEmpty()) {
+        StringPair steps;
+        steps.first = QCoreApplication::translate("ClangTools::Diagnostic", "Steps:");
+        for (const ExplainingStep &step : diagnostic.explainingSteps) {
+            if (!steps.second.isEmpty())
+                steps.second += "<br>";
+            steps.second += QString("%1:%2: %3")
+                    .arg(step.location.filePath,
+                         lineColumnString(step.location),
+                         step.message);
+        }
+        lines << steps;
+    }
+
+    QString html = QLatin1String("<html>"
+                                 "<head>"
+                                 "<style>dt { font-weight:bold; } dd { font-family: monospace; }</style>"
+                                 "</head>\n"
+                                 "<body><dl>");
+
+    for (const StringPair &pair : qAsConst(lines)) {
+        html += QLatin1String("<dt>");
+        html += pair.first;
+        html += QLatin1String("</dt><dd>");
+        html += pair.second;
+        html += QLatin1String("</dd>\n");
+    }
+    html += QLatin1String("</dl></body></html>");
+    return html;
+}
+
 QString createFullLocationString(const Debugger::DiagnosticLocation &location)
 {
     return location.filePath + QLatin1Char(':') + QString::number(location.line)
diff --git a/src/plugins/clangtools/clangtoolsutils.h b/src/plugins/clangtools/clangtoolsutils.h
index a9a1e3ce934..4aa6f7eac98 100644
--- a/src/plugins/clangtools/clangtoolsutils.h
+++ b/src/plugins/clangtools/clangtoolsutils.h
@@ -27,6 +27,8 @@
 
 #include <cpptools/clangdiagnosticconfig.h>
 
+#include <utils/optional.h>
+
 #include <QtGlobal>
 
 QT_BEGIN_NAMESPACE
@@ -39,6 +41,22 @@ namespace Debugger { class DiagnosticLocation; }
 namespace ClangTools {
 namespace Internal {
 
+class Diagnostic;
+
+enum class FixitStatus {
+    NotAvailable,
+    NotScheduled,
+    Scheduled,
+    Applied,
+    FailedToApply,
+    Invalidated,
+};
+
+QString createDiagnosticToolTipString(
+    const Diagnostic &diagnostic,
+    Utils::optional<FixitStatus> status = Utils::nullopt,
+    bool showSteps = true);
+
 QString createFullLocationString(const Debugger::DiagnosticLocation &location);
 
 QString hintAboutBuildBeforeAnalysis();
diff --git a/src/plugins/clangtools/diagnosticmark.cpp b/src/plugins/clangtools/diagnosticmark.cpp
new file mode 100644
index 00000000000..127c091f274
--- /dev/null
+++ b/src/plugins/clangtools/diagnosticmark.cpp
@@ -0,0 +1,72 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#include "diagnosticmark.h"
+
+#include "clangtoolsutils.h"
+
+#include <utils/utilsicons.h>
+
+namespace ClangTools {
+namespace Internal {
+
+DiagnosticMark::DiagnosticMark(const Diagnostic &diagnostic)
+    : TextEditor::TextMark(Utils::FilePath::fromString(diagnostic.location.filePath),
+                           diagnostic.location.line,
+                           Utils::Id("ClangTool.DiagnosticMark"))
+    , m_diagnostic(diagnostic)
+{
+    if (diagnostic.type == "error" || diagnostic.type == "fatal")
+        setColor(Utils::Theme::CodeModel_Error_TextMarkColor);
+    else
+        setColor(Utils::Theme::CodeModel_Warning_TextMarkColor);
+    setPriority(TextEditor::TextMark::HighPriority);
+    QIcon markIcon = diagnostic.icon();
+    setIcon(markIcon.isNull() ? Utils::Icons::CODEMODEL_WARNING.icon() : markIcon);
+    setToolTip(createDiagnosticToolTipString(diagnostic, Utils::nullopt,  true));
+    setLineAnnotation(diagnostic.description);
+}
+
+void DiagnosticMark::disable()
+{
+    if (!m_enabled)
+        return;
+    m_enabled = false;
+    if (m_diagnostic.type == "error" || m_diagnostic.type == "fatal")
+        setIcon(Utils::Icons::CODEMODEL_DISABLED_ERROR.icon());
+    else
+        setIcon(Utils::Icons::CODEMODEL_DISABLED_WARNING.icon());
+    setColor(Utils::Theme::Color::IconsDisabledColor);
+    updateMarker();
+}
+
+bool DiagnosticMark::enabled() const
+{
+    return m_enabled;
+}
+
+} // namespace Internal
+} // namespace ClangTools
+
diff --git a/src/plugins/clangtools/diagnosticmark.h b/src/plugins/clangtools/diagnosticmark.h
new file mode 100644
index 00000000000..040ce16adcf
--- /dev/null
+++ b/src/plugins/clangtools/diagnosticmark.h
@@ -0,0 +1,50 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#pragma once
+
+#include "clangtoolsdiagnostic.h"
+
+#include <texteditor/textmark.h>
+
+namespace ClangTools {
+namespace Internal {
+
+
+class DiagnosticMark : public TextEditor::TextMark
+{
+public:
+    explicit DiagnosticMark(const Diagnostic &diagnostic);
+
+    void disable();
+    bool enabled() const;
+
+private:
+    const Diagnostic m_diagnostic;
+    bool m_enabled = true;
+};
+
+} // namespace Internal
+} // namespace ClangTools