Qt: Added option to Remove from recent files list

Change-Id: If87e1bf4796d45582bc2490720683e4072971f56
Reviewed-on: https://code.wireshark.org/review/17804
Petri-Dish: Stig Bjørlykke <stig@bjorlykke.org>
Reviewed-by: Gerald Combs <gerald@wireshark.org>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Stig Bjørlykke <stig@bjorlykke.org>

ui/qt/main_welcome.cpp

@@ -404,7 +404,7 @@ void MainWelcome::updateRecentFiles() {
     }
 
     int row = recent_files_->count();
-    while (row > 0 && row > (int) prefs.gui_recent_files_count_max) {
+    while (row > 0 && (row > (int) prefs.gui_recent_files_count_max || row > rfRow)) {
         row--;
         delete recent_files_->item(row);
     }
@@ -464,8 +464,8 @@ void MainWelcome::showRecentContextMenu(QPoint pos)
     recent_ctx_menu_->clear();
 
     QString cf_path = li->data(Qt::UserRole).toString();
-    QAction *show_action = recent_ctx_menu_->addAction(show_in_str_);
 
+    QAction *show_action = recent_ctx_menu_->addAction(show_in_str_);
     show_action->setData(cf_path);
     connect(show_action, SIGNAL(triggered(bool)), this, SLOT(showRecentFolder()));
 
@@ -473,6 +473,12 @@ void MainWelcome::showRecentContextMenu(QPoint pos)
     copy_action->setData(cf_path);
     connect(copy_action, SIGNAL(triggered(bool)), this, SLOT(copyRecentPath()));
 
+    recent_ctx_menu_->addSeparator();
+
+    QAction *remove_action = recent_ctx_menu_->addAction(tr("Remove"));
+    remove_action->setData(cf_path);
+    connect(remove_action, SIGNAL(triggered(bool)), this, SLOT(removeRecentPath()));
+
     recent_ctx_menu_->exec(recent_files_->mapToGlobal(pos));
 }
 
@@ -496,6 +502,17 @@ void MainWelcome::copyRecentPath()
     wsApp->clipboard()->setText(cf_path);
 }
 
+void MainWelcome::removeRecentPath()
+{
+    QAction *ria = qobject_cast<QAction*>(sender());
+    if (!ria) return;
+
+    QString cf_path = ria->data().toString();
+    if (cf_path.isEmpty()) return;
+
+    wsApp->removeRecentItem(cf_path);
+}
+
 /*
  * Editor modelines
  *

ui/qt/main_welcome.h

@@ -88,6 +88,7 @@ private slots:
     void showRecentContextMenu(QPoint pos);
     void showRecentFolder();
     void copyRecentPath();
+    void removeRecentPath();
 };
 
 #endif // MAIN_WELCOME_H

ui/qt/wireshark_application.cpp

@@ -1052,6 +1052,33 @@ void WiresharkApplication::addRecentItem(const QString filename, qint64 size, bo
     itemStatusFinished(filename, size, accessible);
 }
 
+void WiresharkApplication::removeRecentItem(const QString &filename)
+{
+    QMutableListIterator<recent_item_status *> rii(recent_items_);
+
+    while (rii.hasNext()) {
+        recent_item_status *ri = rii.next();
+#ifdef _WIN32
+        /* Do a case insensitive compare on win32 */
+        if (ri->filename.compare(filename, Qt::CaseInsensitive) == 0) {
+#else
+        /* Do a case sensitive compare on UN*Xes.
+         *
+         * XXX - on UN*Xes such as macOS, where you can use pathconf()
+         * to check whether a given file system is case-sensitive or
+         * not, we should check whether this particular file system
+         * is case-sensitive and do the appropriate comparison.
+         */
+        if (ri->filename.compare(filename) == 0) {
+#endif
+            rii.remove();
+            delete(ri);
+        }
+    }
+
+    emit updateRecentItemStatus(NULL, 0, false);
+}
+
 static void switchTranslator(QTranslator& myTranslator, const QString& filename,
     const QString& searchPath)
 {

ui/qt/wireshark_application.h

@@ -98,6 +98,7 @@ public:
     struct _e_prefs * readConfigurationFiles(char **gdp_path, char **dp_path, bool reset);
     QList<recent_item_status *> recentItems() const;
     void addRecentItem(const QString filename, qint64 size, bool accessible);
+    void removeRecentItem(const QString &filename);
     QDir lastOpenDir();
     void setLastOpenDir(const char *dir_name);
     void setLastOpenDir(QString *dir_str);