TextEditor: Support tooltips for buttons in text mark tooltips

In case users don't find the icon self-explanatory.

Task-number: QTCREATORBUG-25150
Change-Id: I481b1ea7f510f065f83badcb91e127ac1c81f5a1
Reviewed-by: David Schulz <david.schulz@qt.io>
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

src/plugins/clangcodemodel/clangtextmark.cpp

@@ -237,6 +237,7 @@ ClangTextMark::ClangTextMark(const FilePath &fileName,
     QVector<QAction *> actions;
     QAction *action = new QAction();
     action->setIcon(QIcon::fromTheme("edit-copy", Icons::COPY.icon()));
+    action->setToolTip(tr("Copy to Clipboard"));
     QObject::connect(action, &QAction::triggered, [diagnostic]() {
         const QString text = ClangDiagnosticWidget::createText({diagnostic},
                                                                ClangDiagnosticWidget::InfoBar);
@@ -249,6 +250,7 @@ ClangTextMark::ClangTextMark(const FilePath &fileName,
     if (project && isDiagnosticConfigChangable(project, diagnostic)) {
         action = new QAction();
         action->setIcon(Icons::BROKEN.icon());
+        action->setToolTip(tr("Disable Diagnostic in Current Project"));
         QObject::connect(action, &QAction::triggered, [diagnostic]() {
             disableDiagnosticInCurrentProjectConfig(diagnostic);
         });

src/plugins/clangtools/diagnosticmark.cpp

@@ -59,6 +59,7 @@ DiagnosticMark::DiagnosticMark(const Diagnostic &diagnostic)
     QVector<QAction *> actions;
     QAction *action = new QAction();
     action->setIcon(QIcon::fromTheme("edit-copy", Utils::Icons::COPY.icon()));
+    action->setToolTip(tr("Copy to Clipboard"));
     QObject::connect(action, &QAction::triggered, [diagnostic]() {
         const QString text = createFullLocationString(diagnostic.location)
                              + ": "

src/plugins/texteditor/textmark.cpp

@@ -310,6 +310,7 @@ void TextMark::addToToolTipLayout(QGridLayout *target) const
             QTC_ASSERT(!action->icon().isNull(), continue);
             auto button = new QToolButton;
             button->setIcon(action->icon());
+            button->setToolTip(action->toolTip());
             QObject::connect(button, &QToolButton::clicked, action, &QAction::triggered);
             QObject::connect(button, &QToolButton::clicked, []() {
                 Utils::ToolTip::hideImmediately();
@@ -398,6 +399,7 @@ void TextMark::setSettingsPage(Id settingsPage)
     delete m_settingsAction;
     m_settingsAction = new QAction;
     m_settingsAction->setIcon(Utils::Icons::SETTINGS_TOOLBAR.icon());
+    m_settingsAction->setToolTip(tr("Show Diagnostic Settings"));
     QObject::connect(m_settingsAction, &QAction::triggered, [this, settingsPage] {
         Core::ICore::showOptionsDialog(settingsPage);
     });

src/plugins/texteditor/textmark.h

@@ -32,6 +32,7 @@
 #include <utils/optional.h>
 #include <utils/theme/theme.h>
 
+#include <QCoreApplication>
 #include <QIcon>
 #include <QVector>
 
@@ -50,6 +51,7 @@ class TextDocument;
 
 class TEXTEDITOR_EXPORT TextMark
 {
+    Q_DECLARE_TR_FUNCTIONS(TextEditor::TextMark)
 public:
     TextMark(const Utils::FilePath &fileName,
              int lineNumber,