better handling of icons in list mode

shadPS4/gui/custom_table_widget_item.cpp

@@ -3,7 +3,7 @@
 #include <QDateTime>
 
 custom_table_widget_item::custom_table_widget_item(const std::string& text, int sort_role, const QVariant& sort_value)
-	: QTableWidgetItem(QString::fromStdString(text).simplified()) // simplified() forces single line text
+	: game_list_item(QString::fromStdString(text).simplified()) // simplified() forces single line text
 {
 	if (sort_role != Qt::DisplayRole)
 	{
@@ -12,7 +12,7 @@ custom_table_widget_item::custom_table_widget_item(const std::string& text, int
 }
 
 custom_table_widget_item::custom_table_widget_item(const QString& text, int sort_role, const QVariant& sort_value)
-	: QTableWidgetItem(text.simplified()) // simplified() forces single line text
+	: game_list_item(text.simplified()) // simplified() forces single line text
 {
 	if (sort_role != Qt::DisplayRole)
 	{

shadPS4/gui/custom_table_widget_item.h

@@ -1,7 +1,8 @@
 #pragma once
+#include "game_list_item.h"
 #include <QTableWidgetItem>
 
-class custom_table_widget_item : public QTableWidgetItem
+class custom_table_widget_item : public game_list_item
 {
 private:
 	int m_sort_role = Qt::DisplayRole;

shadPS4/gui/game_list_frame.cpp

@@ -1,8 +1,10 @@
 #include "game_list_frame.h"
 #include "gui_settings.h"
 #include "custom_table_widget_item.h"
+#include "qt_utils.h"
 #include "../emulator/fileFormat/PSF.h"
 #include <QPainter>
+#include <unordered_set>
 
 game_list_frame::game_list_frame(std::shared_ptr<gui_settings> gui_settings, QWidget* parent)
 	: QWidget(parent)
@@ -107,10 +109,19 @@ game_list_frame::game_list_frame(std::shared_ptr<gui_settings> gui_settings, QWi
 			configure->exec(m_game_list->horizontalHeader()->viewport()->mapToGlobal(pos));
 		});
 	connect(m_game_list->horizontalHeader(), &QHeaderView::sectionClicked, this, &game_list_frame::OnHeaderColumnClicked);
+	connect(&m_repaint_watcher, &QFutureWatcher<game_list_item*>::resultReadyAt, this, [this](int index)
+		{
+			if (!m_is_list_layout) return;
+			if (game_list_item* item = m_repaint_watcher.resultAt(index))
+			{
+				item->call_icon_func();
+			}
+		});
 
 	Refresh();//TODO remove when watchers added
 }
 game_list_frame::~game_list_frame() {
+	gui::utils::stop_future_watcher(m_repaint_watcher, true);
 	SaveSettings();
 }
 void game_list_frame::FixNarrowColumns() const
@@ -368,7 +379,7 @@ void game_list_frame::PopulateGameList()
 
 	int row = 0;
 	int index = -1;
-	RepaintIcons();//hackish
+	//RepaintIcons();//hackish
 	for (const auto& game : m_game_data)
 	{
 		index++;
@@ -376,7 +387,12 @@ void game_list_frame::PopulateGameList()
 
 		// Icon
 		custom_table_widget_item* icon_item = new custom_table_widget_item;
-		icon_item->setData(Qt::DecorationRole, game->pxmap);
+		game->item = icon_item;
+		icon_item->set_icon_func([this, icon_item, game](int)
+		{
+			icon_item->setData(Qt::DecorationRole, game->pxmap);
+			game->pxmap = {};
+		});
 		
 		icon_item->setData(Qt::UserRole, index, true);
 		icon_item->setData(gui::custom_roles::game_role, QVariant::fromValue(game));
@@ -448,12 +464,44 @@ std::string game_list_frame::CurrentSelectionPath()
 
 void game_list_frame::RepaintIcons(const bool& from_settings)
 {
-	for (auto& game : m_game_data)
+	gui::utils::stop_future_watcher(m_repaint_watcher, true);
+
+	if (from_settings)
 	{
-		game->icon.load(QString::fromStdString(game->info.icon_path));
+		//TODO m_icon_color = gui::utils::get_label_color("gamelist_icon_background_color");
-		game->pxmap = PaintedPixmap(game->icon);
 	}
 
+	if (m_is_list_layout)
+	{
+		QPixmap placeholder(m_icon_size);
+		placeholder.fill(Qt::transparent);
+
+		for (auto& game : m_game_data)
+		{
+			game->pxmap = placeholder;
+		}
+
+		// Fixate vertical header and row height
+		m_game_list->verticalHeader()->setMinimumSectionSize(m_icon_size.height());
+		m_game_list->verticalHeader()->setMaximumSectionSize(m_icon_size.height());
+
+		// Resize the icon column
+		m_game_list->resizeColumnToContents(gui::column_icon);
+
+		// Shorten the last section to remove horizontal scrollbar if possible
+		m_game_list->resizeColumnToContents(gui::column_count - 1);
+	}
+
+	const std::function func = [this](const game_info& game) -> game_list_item*
+	{
+		if (game->icon.isNull() && (game->info.icon_path.empty() || !game->icon.load(QString::fromStdString(game->info.icon_path))))
+		{
+			//TODO added warning message if no found
+		}
+		game->pxmap = PaintedPixmap(game->icon);
+		return game->item;
+	};
+	m_repaint_watcher.setFuture(QtConcurrent::mapped(m_game_data, func));
 }
 
 QPixmap game_list_frame::PaintedPixmap(const QPixmap& icon) const

shadPS4/gui/game_list_frame.h

@@ -3,11 +3,13 @@
 #include "game_list_table.h"
 #include "shadps4gui.h"
 #include "game_list_grid.h"
-
+#include "game_list_item.h"
 #include <QHeaderView>
 #include <QScrollbar>
 #include <QWidget>
 #include <deque>
+#include <QFutureWatcher>
+#include <QtConcurrent>
 
 class game_list_frame : public QWidget
 {
@@ -60,6 +62,7 @@ private:
 	QList<game_info> m_game_data;
 	std::vector<std::string> m_path_list;
 	std::deque<game_info> m_games;
+	QFutureWatcher<game_list_item*> m_repaint_watcher;
 
 	// Icons
 	QSize m_icon_size;

shadPS4/gui/game_list_grid.cpp

@@ -1,6 +1,6 @@
 #include "game_list_grid.h"
 #include "game_list_grid_delegate.h"
-
+#include "game_list_item.h"
 #include <QHeaderView>
 #include <QScrollBar>
 
@@ -58,45 +58,47 @@ void game_list_grid::setIconSize(const QSize& size) const
 
 QTableWidgetItem* game_list_grid::addItem(const game_info& app, const QString& name, const QString& movie_path, const int& row, const int& col)
 {
-	const qreal device_pixel_ratio = devicePixelRatioF();
+	game_list_item* item = new game_list_item;
-
+	item->set_icon_func([this, app, item](int)
-	// define size of expanded image, which is raw image size + margins
-	QSizeF exp_size_f;
-	if (m_text_enabled)
 	{
-		exp_size_f = m_icon_size + QSizeF(m_icon_size.width() * m_margin_factor * 2, m_icon_size.height() * m_margin_factor * (m_text_factor + 1));
+		const qreal device_pixel_ratio = devicePixelRatioF();
-	}
-	else
-	{
-		exp_size_f = m_icon_size + m_icon_size * m_margin_factor * 2;
-	}
 
-	// define offset for raw image placement
+		// define size of expanded image, which is raw image size + margins
-	QPoint offset(m_icon_size.width() * m_margin_factor, m_icon_size.height() * m_margin_factor);
+		QSizeF exp_size_f;
-	const QSize exp_size = (exp_size_f * device_pixel_ratio).toSize();
+		if (m_text_enabled)
+		{
+			exp_size_f = m_icon_size + QSizeF(m_icon_size.width() * m_margin_factor * 2, m_icon_size.height() * m_margin_factor * (m_text_factor + 1));
+		}
+		else
+		{
+			exp_size_f = m_icon_size + m_icon_size * m_margin_factor * 2;
+		}
 
-	// create empty canvas for expanded image
+		// define offset for raw image placement
-	QImage exp_img(exp_size, QImage::Format_ARGB32);
+		QPoint offset(m_icon_size.width() * m_margin_factor, m_icon_size.height() * m_margin_factor);
-	exp_img.setDevicePixelRatio(device_pixel_ratio);
+		const QSize exp_size = (exp_size_f * device_pixel_ratio).toSize();
-	exp_img.fill(Qt::transparent);
 
-	// create background for image
+		// create empty canvas for expanded image
-	QImage bg_img(app->pxmap.size(), QImage::Format_ARGB32);
+		QImage exp_img(exp_size, QImage::Format_ARGB32);
-	bg_img.setDevicePixelRatio(device_pixel_ratio);
+		exp_img.setDevicePixelRatio(device_pixel_ratio);
-	bg_img.fill(m_icon_color);
+		exp_img.fill(Qt::transparent);
 
-	// place raw image inside expanded image
+		// create background for image
-	QPainter painter(&exp_img);
+		QImage bg_img(app->pxmap.size(), QImage::Format_ARGB32);
-	painter.setRenderHint(QPainter::SmoothPixmapTransform);
+		bg_img.setDevicePixelRatio(device_pixel_ratio);
-	painter.drawImage(offset, bg_img);
+		bg_img.fill(m_icon_color);
-	painter.drawPixmap(offset, app->pxmap);
-	app->pxmap = {};
-	painter.end();
 
-	// create item with expanded image, title and position
+		// place raw image inside expanded image
-	QTableWidgetItem* item = new QTableWidgetItem();
+		QPainter painter(&exp_img);
-	item->setData(Qt::ItemDataRole::DecorationRole, QPixmap::fromImage(exp_img));
+		painter.setRenderHint(QPainter::SmoothPixmapTransform);
+		painter.drawImage(offset, bg_img);
+		painter.drawPixmap(offset, app->pxmap);
+		app->pxmap = {};
+		painter.end();
 
+		// create item with expanded image, title and position
+		item->setData(Qt::ItemDataRole::DecorationRole, QPixmap::fromImage(exp_img));
+	});
 	if (m_text_enabled)
 	{
 		item->setData(Qt::ItemDataRole::DisplayRole, name);

shadPS4/gui/game_list_item.h

@@ -0,0 +1,44 @@
+#pragma once
+
+#include <QTableWidgetItem>
+#include <QObject>
+
+#include <functional>
+
+using icon_callback_t = std::function<void(int)>;
+
+class game_list_item : public QTableWidgetItem
+{
+public:
+	game_list_item() : QTableWidgetItem()
+	{
+	}
+	game_list_item(const QString& text, int type = Type) : QTableWidgetItem(text, type)
+	{
+	}
+	game_list_item(const QIcon& icon, const QString& text, int type = Type) : QTableWidgetItem(icon, text, type)
+	{
+	}
+
+	~game_list_item()
+	{
+
+	}
+
+	void call_icon_func() const
+	{
+		if (m_icon_callback)
+		{
+			m_icon_callback(0);
+		}
+	}
+
+	void set_icon_func(const icon_callback_t& func)
+	{
+		m_icon_callback = func;
+		call_icon_func();
+	}
+
+private:
+	icon_callback_t m_icon_callback = nullptr;
+};

shadPS4/gui/game_list_table.h

@@ -3,12 +3,14 @@
 #include <QTableWidget>
 #include <QMouseEvent>
 #include "../emulator/gameInfo.h"
+#include "game_list_item.h"
 
 struct gui_game_info
 {
 	GameInfo info{};
 	QPixmap icon;
 	QPixmap pxmap;
+	game_list_item* item = nullptr;
 };
 
 typedef std::shared_ptr<gui_game_info> game_info;

shadPS4/gui/qt_utils.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <QFutureWatcher>
+
+namespace gui
+{
+	namespace utils
+	{
+		template <typename T>
+		void stop_future_watcher(QFutureWatcher<T>& watcher, bool cancel)
+		{
+			if (watcher.isStarted() || watcher.isRunning())
+			{
+				if (cancel)
+				{
+					watcher.cancel();
+				}
+				watcher.waitForFinished();
+			}
+		}
+	} // utils
+} // gui
+

shadPS4/shadPS4.vcxproj

@@ -45,10 +45,12 @@
     <QtMoc Include="gui\game_list_grid.h" />
     <QtMoc Include="gui\game_list_frame.h" />
     <ClInclude Include="gui\game_list_grid_delegate.h" />
+    <ClInclude Include="gui\game_list_item.h" />
     <ClInclude Include="gui\game_list_table.h" />
     <ClInclude Include="gui\gui_save.h" />
     <QtMoc Include="gui\gui_settings.h" />
     <QtMoc Include="gui\settings.h" />
+    <ClInclude Include="gui\qt_utils.h" />
     <ClInclude Include="Types.h" />
   </ItemGroup>
   <PropertyGroup Label="Globals">
@@ -73,12 +75,12 @@
   </ImportGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'" Label="QtSettings">
     <QtInstall>6.4.2</QtInstall>
-    <QtModules>core;gui;widgets</QtModules>
+    <QtModules>core;gui;widgets;concurrent</QtModules>
     <QtBuildConfig>debug</QtBuildConfig>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'" Label="QtSettings">
     <QtInstall>6.4.2</QtInstall>
-    <QtModules>core;gui;widgets</QtModules>
+    <QtModules>core;gui;widgets;concurrent</QtModules>
     <QtBuildConfig>release</QtBuildConfig>
   </PropertyGroup>
   <Target Name="QtMsBuildNotFound" BeforeTargets="CustomBuild;ClCompile" Condition="!Exists('$(QtMsBuild)\qt.targets') or !Exists('$(QtMsBuild)\qt.props')">