From 1485616a54cfd3569c6bcda4777f2b8f302c74fc Mon Sep 17 00:00:00 2001
From: Zach Hilman <zachhilman@gmail.com>
Date: Wed, 17 Oct 2018 21:29:15 -0400
Subject: [PATCH] game_list: Add custom HTMLDelegate to support strikethrough
 in game list

---
 src/yuzu/game_list.cpp | 57 ++++++++++++++++++++++++++++++++++++++++++
 src/yuzu/game_list.h   |  1 +
 src/yuzu/game_list_p.h |  2 +-
 3 files changed, 59 insertions(+), 1 deletion(-)

diff --git a/src/yuzu/game_list.cpp b/src/yuzu/game_list.cpp
index a5a4aa432b..391cf55bed 100644
--- a/src/yuzu/game_list.cpp
+++ b/src/yuzu/game_list.cpp
@@ -3,6 +3,7 @@
 // Refer to the license.txt file included.
 
 #include <regex>
+#include <QAbstractTextDocumentLayout>
 #include <QApplication>
 #include <QDir>
 #include <QFileInfo>
@@ -12,11 +13,15 @@
 #include <QJsonObject>
 #include <QKeyEvent>
 #include <QMenu>
+#include <QPainter>
+#include <QStyledItemDelegate>
+#include <QTextDocument>
 #include <QThreadPool>
 #include <fmt/format.h>
 #include "common/common_paths.h"
 #include "common/common_types.h"
 #include "common/logging/log.h"
+#include "core/file_sys/mode.h"
 #include "core/file_sys/patch_manager.h"
 #include "yuzu/compatibility_list.h"
 #include "yuzu/game_list.h"
@@ -25,6 +30,52 @@
 #include "yuzu/main.h"
 #include "yuzu/ui_settings.h"
 
+class HTMLDelegate : public QStyledItemDelegate {
+public:
+    void paint(QPainter* painter, const QStyleOptionViewItem& option,
+               const QModelIndex& index) const override;
+    QSize sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const override;
+};
+
+void HTMLDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option,
+                         const QModelIndex& index) const {
+    QStyleOptionViewItemV4 optionV4 = option;
+    initStyleOption(&optionV4, index);
+
+    QStyle* style = optionV4.widget ? optionV4.widget->style() : QApplication::style();
+
+    QTextDocument doc;
+    doc.setHtml(optionV4.text);
+
+    /// Painting item without text
+    optionV4.text = QString();
+    style->drawControl(QStyle::CE_ItemViewItem, &optionV4, painter);
+
+    QAbstractTextDocumentLayout::PaintContext ctx;
+
+    // Highlighting text if item is selected
+    if (optionV4.state & QStyle::State_Selected)
+        ctx.palette.setColor(QPalette::Text,
+                             optionV4.palette.color(QPalette::Active, QPalette::HighlightedText));
+
+    QRect textRect = style->subElementRect(QStyle::SE_ItemViewItemText, &optionV4);
+    painter->save();
+    painter->translate(textRect.topLeft());
+    painter->setClipRect(textRect.translated(-textRect.topLeft()));
+    doc.documentLayout()->draw(painter, ctx);
+    painter->restore();
+}
+
+QSize HTMLDelegate::sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const {
+    QStyleOptionViewItemV4 optionV4 = option;
+    initStyleOption(&optionV4, index);
+
+    QTextDocument doc;
+    doc.setHtml(optionV4.text);
+    doc.setTextWidth(optionV4.rect.width());
+    return QSize(doc.idealWidth(), doc.size().height());
+}
+
 GameListSearchField::KeyReleaseEater::KeyReleaseEater(GameList* gamelist) : gamelist{gamelist} {}
 
 // EventFilter in order to process systemkeys while editing the searchfield
@@ -214,6 +265,7 @@ GameList::GameList(FileSys::VirtualFilesystem vfs, GMainWindow* parent)
     tree_view->setEditTriggers(QHeaderView::NoEditTriggers);
     tree_view->setUniformRowHeights(true);
     tree_view->setContextMenuPolicy(Qt::CustomContextMenu);
+    tree_view->setItemDelegate(new HTMLDelegate);
 
     item_model->insertColumns(0, COLUMN_COUNT);
     item_model->setHeaderData(COLUMN_NAME, Qt::Horizontal, tr("Name"));
@@ -326,6 +378,8 @@ void GameList::PopupContextMenu(const QPoint& menu_location) {
     QAction* dump_romfs = context_menu.addAction(tr("Dump RomFS"));
     QAction* copy_tid = context_menu.addAction(tr("Copy Title ID to Clipboard"));
     QAction* navigate_to_gamedb_entry = context_menu.addAction(tr("Navigate to GameDB entry"));
+    context_menu.addSeparator();
+    QAction* properties = context_menu.addAction(tr("Properties"));
 
     open_save_location->setEnabled(program_id != 0);
     auto it = FindMatchingCompatibilityEntry(compatibility_list, program_id);
@@ -339,6 +393,9 @@ void GameList::PopupContextMenu(const QPoint& menu_location) {
     connect(copy_tid, &QAction::triggered, [&]() { emit CopyTIDRequested(program_id); });
     connect(navigate_to_gamedb_entry, &QAction::triggered,
             [&]() { emit NavigateToGamedbEntryRequested(program_id, compatibility_list); });
+    connect(properties, &QAction::triggered, [&]() {
+        emit OpenGamePropertiesDialogRequested(vfs->OpenFile(path, FileSys::Mode::Read));
+    });
 
     context_menu.exec(tree_view->viewport()->mapToGlobal(menu_location));
 }
diff --git a/src/yuzu/game_list.h b/src/yuzu/game_list.h
index 05e115e19f..d347f6acd5 100644
--- a/src/yuzu/game_list.h
+++ b/src/yuzu/game_list.h
@@ -68,6 +68,7 @@ signals:
     void OpenFolderRequested(u64 program_id, GameListOpenTarget target);
     void DumpRomFSRequested(u64 program_id, const std::string& game_path);
     void CopyTIDRequested(u64 program_id);
+    void OpenGamePropertiesDialogRequested(FileSys::VirtualFile file);
     void NavigateToGamedbEntryRequested(u64 program_id,
                                         const CompatibilityList& compatibility_list);
 
diff --git a/src/yuzu/game_list_p.h b/src/yuzu/game_list_p.h
index 3db0e90da9..a40ccba43f 100644
--- a/src/yuzu/game_list_p.h
+++ b/src/yuzu/game_list_p.h
@@ -95,7 +95,7 @@ public:
             if (row2.isEmpty())
                 return row1;
 
-            return row1 + "\n    " + row2;
+            return row1 + "<br>    " + row2;
         }
 
         return GameListItem::data(role);