Use icons and default tool tips in text mark popup

Change-Id: I4487d642e066479e8e344ed77e539de92fbca651
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>

src/plugins/clangcodemodel/clangtextmark.cpp

@@ -31,7 +31,6 @@
 #include <utils/icon.h>
 #include <utils/theme/theme.h>
 
-#include <QLayout>
 #include <QString>
 
 namespace ClangCodeModel {
@@ -83,9 +82,10 @@ void ClangTextMark::setIcon(ClangBackEnd::DiagnosticSeverity severity)
         TextMark::setIcon(errorIcon);
 }
 
-void ClangTextMark::addToToolTipLayout(QLayout *target)
+bool ClangTextMark::addToolTipContent(QLayout *target)
 {
     Internal::addToolTipToLayout(m_diagnostic, target);
+    return true;
 }
 
 } // namespace ClangCodeModel

src/plugins/clangcodemodel/clangtextmark.h

@@ -38,7 +38,7 @@ public:
     ClangTextMark(const QString &fileName, const ClangBackEnd::DiagnosticContainer &diagnostic);
 
 private:
-    void addToToolTipLayout(QLayout *target);
+    bool addToolTipContent(QLayout *target);
     void setIcon(ClangBackEnd::DiagnosticSeverity severity);
 
     ClangBackEnd::DiagnosticContainer m_diagnostic;

src/plugins/projectexplorer/taskhub.cpp

@@ -147,6 +147,7 @@ void TaskHub::addTask(Task task)
         auto mark = new TaskMark(task.taskId, task.file.toString(), task.line, task.type, !task.icon.isNull());
         mark->setIcon(task.icon);
         mark->setPriority(TextEditor::TextMark::LowPriority);
+        mark->setToolTip(task.description);
         task.setMark(mark);
     }
     emit m_instance->taskAdded(task);

src/plugins/texteditor/texteditor.cpp

@@ -91,6 +91,7 @@
 #include <QClipboard>
 #include <QCoreApplication>
 #include <QDebug>
+#include <QGridLayout>
 #include <QKeyEvent>
 #include <QMenu>
 #include <QMessageBox>
@@ -111,7 +112,6 @@
 #include <QTimeLine>
 #include <QTimer>
 #include <QToolBar>
-#include <QVBoxLayout>
 
 //#define DO_FOO
 
@@ -5122,7 +5122,7 @@ void TextEditorWidget::extraAreaMouseEvent(QMouseEvent *e)
                     if (data->marks().isEmpty()) {
                         ToolTip::hide();
                     } else {
-                        auto layout = new QVBoxLayout;
+                        auto layout = new QGridLayout;
                         layout->setContentsMargins(0, 0, 0, 0);
                         layout->setSpacing(2);
                         foreach (TextMark *mark, data->marks())

src/plugins/texteditor/textmark.cpp

@@ -33,7 +33,7 @@
 #include <coreplugin/documentmanager.h>
 #include <utils/qtcassert.h>
 
-#include <QLayout>
+#include <QGridLayout>
 
 using namespace Core;
 using namespace Utils;
@@ -114,6 +114,11 @@ void TextMark::setIcon(const QIcon &icon)
     m_icon = icon;
 }
 
+const QIcon &TextMark::icon() const
+{
+    return m_icon;
+}
+
 Theme::Color TextMark::categoryColor(Id category)
 {
     return TextEditorPlugin::baseTextMarkRegistry()->categoryColor(category);
@@ -195,10 +200,37 @@ void TextMark::dragToLine(int lineNumber)
     Q_UNUSED(lineNumber);
 }
 
-void TextMark::addToToolTipLayout(QLayout *target)
+void TextMark::addToToolTipLayout(QGridLayout *target)
 {
-    if (!m_toolTip.isEmpty())
-        target->addWidget(new QLabel(m_toolTip));
+    auto *contentLayout = new QVBoxLayout;
+    addToolTipContent(contentLayout);
+    if (contentLayout->count() > 0) {
+        const int row = target->rowCount();
+        if (!m_icon.isNull()) {
+            auto iconLabel = new QLabel;
+            iconLabel->setPixmap(m_icon.pixmap(16, 16));
+            target->addWidget(iconLabel, row, 0, Qt::AlignTop | Qt::AlignHCenter);
+        }
+        target->addLayout(contentLayout, row, 1);
+    }
+}
+
+bool TextMark::addToolTipContent(QLayout *target)
+{
+    QString text = m_toolTip;
+    if (text.isEmpty()) {
+        text = TextEditorPlugin::baseTextMarkRegistry()->defaultToolTip(m_category);
+        if (text.isEmpty())
+            return false;
+    }
+
+    auto textLabel = new QLabel;
+    textLabel->setText(text);
+    // Differentiate between tool tips that where explicitly set and default tool tips.
+    textLabel->setEnabled(!m_toolTip.isEmpty());
+    target->addWidget(textLabel);
+
+    return true;
 }
 
 TextDocument *TextMark::baseTextDocument() const

src/plugins/texteditor/textmark.h

@@ -33,6 +33,7 @@
 #include <QIcon>
 
 QT_BEGIN_NAMESPACE
+class QGridLayout;
 class QLayout;
 class QPainter;
 class QRect;
@@ -74,13 +75,15 @@ public:
     virtual void clicked();
     virtual bool isDraggable() const;
     virtual void dragToLine(int lineNumber);
-    virtual void addToToolTipLayout(QLayout *target);
+    void addToToolTipLayout(QGridLayout *target);
+    virtual bool addToolTipContent(QLayout *target);
 
     static Utils::Theme::Color categoryColor(Core::Id category);
     static bool categoryHasColor(Core::Id category);
     static void setCategoryColor(Core::Id category, Utils::Theme::Color color);
     static void setDefaultToolTip(Core::Id category, const QString &toolTip);
     void setIcon(const QIcon &icon);
+    const QIcon &icon() const;
     // call this if the icon has changed.
     void updateMarker();
     Priority priority() const;