Qt: Implement search

Source/Core/DolphinQt2/CMakeLists.txt

@@ -26,6 +26,7 @@ set(SRCS
   MenuBar.cpp
   RenderWidget.cpp
   Resources.cpp
+  SearchBar.cpp
   Settings.cpp
   ToolBar.cpp
   Translation.cpp

Source/Core/DolphinQt2/DolphinQt2.vcxproj

@@ -122,6 +122,7 @@
     <QtMoc Include="QtUtils\WrapInScrollArea.h" />
     <QtMoc Include="QtUtils\AspectRatioWidget.h" />
     <QtMoc Include="RenderWidget.h" />
+    <QtMoc Include="SearchBar.h" />
     <QtMoc Include="Settings.h" />
     <QtMoc Include="Settings\AdvancedPane.h" />
     <QtMoc Include="Settings\GeneralPane.h" />
@@ -188,6 +189,7 @@
     <ClCompile Include="$(QtMocOutPrefix)DoubleClickEventFilter.cpp" />
     <ClCompile Include="$(QtMocOutPrefix)RegisterWidget.cpp" />
     <ClCompile Include="$(QtMocOutPrefix)RenderWidget.cpp" />
+    <ClCompile Include="$(QtMocOutPrefix)SearchBar.cpp" />
     <ClCompile Include="$(QtMocOutPrefix)Settings.cpp" />
     <ClCompile Include="$(QtMocOutPrefix)SettingsWindow.cpp" />
     <ClCompile Include="$(QtMocOutPrefix)SoftwareRendererWidget.cpp" />
@@ -280,6 +282,7 @@
     <ClCompile Include="QtUtils\AspectRatioWidget.cpp" />
     <ClCompile Include="RenderWidget.cpp" />
     <ClCompile Include="Resources.cpp" />
+    <ClCompile Include="SearchBar.cpp" />
     <ClCompile Include="Settings.cpp" />
     <ClCompile Include="Settings\AdvancedPane.cpp" />
     <ClCompile Include="Settings\AudioPane.cpp" />

Source/Core/DolphinQt2/GameList/GameList.cpp

@@ -521,3 +521,11 @@ void GameList::OnHeaderViewChanged()
   QSettings().setValue(QStringLiteral("tableheader/state"),
                        m_list->horizontalHeader()->saveState());
 }
+
+void GameList::SetSearchTerm(const QString& term)
+{
+  m_model->SetSearchTerm(term);
+
+  m_list_proxy->invalidate();
+  m_grid_proxy->invalidate();
+}

Source/Core/DolphinQt2/GameList/GameList.h

@@ -27,9 +27,10 @@ public:
   void SetListView() { SetPreferredView(true); }
   void SetGridView() { SetPreferredView(false); }
   void SetViewColumn(int col, bool view) { m_list->setColumnHidden(col, !view); }
+  void SetSearchTerm(const QString& term);
+
   void OnColumnVisibilityToggled(const QString& row, bool visible);
   void OnGameListVisibilityChanged();
-
 signals:
   void GameSelected();
   void NetPlayHost(const QString& game_id);

Source/Core/DolphinQt2/GameList/GameListModel.cpp

@@ -150,6 +150,10 @@ bool GameListModel::ShouldDisplayGameListItem(int index) const
 {
   const UICommon::GameFile& game = *m_games[index];
 
+  if (!m_term.isEmpty() &&
+      !QString::fromStdString(game.GetName()).contains(m_term, Qt::CaseInsensitive))
+    return false;
+
   const bool show_platform = [&game] {
     switch (game.GetPlatform())
     {
@@ -244,3 +248,8 @@ int GameListModel::FindGame(const std::string& path) const
   }
   return -1;
 }
+
+void GameListModel::SetSearchTerm(const QString& term)
+{
+  m_term = term;
+}

Source/Core/DolphinQt2/GameList/GameListModel.h

@@ -36,6 +36,8 @@ public:
     return QString::fromStdString(m_games[index]->GetUniqueIdentifier());
   }
   bool ShouldDisplayGameListItem(int index) const;
+  void SetSearchTerm(const QString& term);
+
   enum
   {
     COL_PLATFORM = 0,
@@ -60,4 +62,5 @@ private:
 
   GameTracker m_tracker;
   QList<std::shared_ptr<const UICommon::GameFile>> m_games;
+  QString m_term;
 };

Source/Core/DolphinQt2/MainWindow.cpp

@@ -15,6 +15,7 @@
 #include <QMessageBox>
 #include <QMimeData>
 #include <QProgressDialog>
+#include <QVBoxLayout>
 
 #include <future>
 #include <optional>
@@ -65,6 +66,7 @@
 #include "DolphinQt2/QtUtils/RunOnObject.h"
 #include "DolphinQt2/QtUtils/WindowActivationEventFilter.h"
 #include "DolphinQt2/Resources.h"
+#include "DolphinQt2/SearchBar.h"
 #include "DolphinQt2/Settings.h"
 #include "DolphinQt2/TAS/GCTASInputWindow.h"
 #include "DolphinQt2/TAS/WiiTASInputWindow.h"
@@ -164,6 +166,7 @@ void MainWindow::CreateComponents()
 {
   m_menu_bar = new MenuBar(this);
   m_tool_bar = new ToolBar(this);
+  m_search_bar = new SearchBar(this);
   m_game_list = new GameList(this);
   m_render_widget = new RenderWidget;
   m_stack = new QStackedWidget(this);
@@ -275,6 +278,8 @@ void MainWindow::ConnectMenuBar()
   // View
   connect(m_menu_bar, &MenuBar::ShowList, m_game_list, &GameList::SetListView);
   connect(m_menu_bar, &MenuBar::ShowGrid, m_game_list, &GameList::SetGridView);
+  connect(m_menu_bar, &MenuBar::ToggleSearch, m_search_bar, &SearchBar::Toggle);
+
   connect(m_menu_bar, &MenuBar::ColumnVisibilityToggled, m_game_list,
           &GameList::OnColumnVisibilityToggled);
 
@@ -372,7 +377,16 @@ void MainWindow::ConnectRenderWidget()
 
 void MainWindow::ConnectStack()
 {
-  m_stack->addWidget(m_game_list);
+  auto* widget = new QWidget;
+  auto* layout = new QVBoxLayout;
+  widget->setLayout(layout);
+
+  layout->addWidget(m_game_list);
+  layout->addWidget(m_search_bar);
+
+  connect(m_search_bar, &SearchBar::Search, m_game_list, &GameList::SetSearchTerm);
+
+  m_stack->addWidget(widget);
 
   setCentralWidget(m_stack);
 

Source/Core/DolphinQt2/MainWindow.h

@@ -30,6 +30,7 @@ class NetPlayClient;
 class NetPlayDialog;
 class NetPlayServer;
 class NetPlaySetupDialog;
+class SearchBar;
 class SettingsWindow;
 class ControllersWindow;
 class DragEnterEvent;
@@ -137,6 +138,7 @@ private:
   QStackedWidget* m_stack;
   ToolBar* m_tool_bar;
   MenuBar* m_menu_bar;
+  SearchBar* m_search_bar;
   GameList* m_game_list;
   RenderWidget* m_render_widget;
   bool m_rendering_to_main;

Source/Core/DolphinQt2/MenuBar.cpp

@@ -357,6 +357,10 @@ void MenuBar::AddViewMenu()
   view_menu->addSeparator();
   AddShowPlatformsMenu(view_menu);
   AddShowRegionsMenu(view_menu);
+
+  view_menu->addSeparator();
+  AddAction(view_menu, tr("Search"), this, &MenuBar::ToggleSearch,
+            QKeySequence(QStringLiteral("Ctrl+F")));
 }
 
 void MenuBar::AddOptionsMenu()

Source/Core/DolphinQt2/MenuBar.h

@@ -82,6 +82,7 @@ signals:
   // View
   void ShowList();
   void ShowGrid();
+  void ToggleSearch();
   void ColumnVisibilityToggled(const QString& row, bool visible);
   void GameListPlatformVisibilityToggled(const QString& row, bool visible);
   void GameListRegionVisibilityToggled(const QString& row, bool visible);

Source/Core/DolphinQt2/SearchBar.cpp

@@ -0,0 +1,54 @@
+// Copyright 2018 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include "DolphinQt2/SearchBar.h"
+
+#include <QCheckBox>
+#include <QHBoxLayout>
+#include <QLineEdit>
+#include <QPushButton>
+
+SearchBar::SearchBar(QWidget* parent) : QWidget(parent)
+{
+  CreateWidgets();
+  ConnectWidgets();
+
+  setFixedHeight(32);
+
+  setHidden(true);
+}
+
+void SearchBar::CreateWidgets()
+{
+  m_search_edit = new QLineEdit;
+  m_close_button = new QPushButton(tr("Close"));
+
+  m_search_edit->setPlaceholderText(tr("Type your search term here"));
+
+  auto* layout = new QHBoxLayout;
+
+  layout->addWidget(m_search_edit);
+  layout->addWidget(m_close_button);
+  layout->setMargin(0);
+
+  setLayout(layout);
+}
+
+void SearchBar::Toggle()
+{
+  m_search_edit->clear();
+
+  setHidden(isVisible());
+
+  if (isVisible())
+    m_search_edit->setFocus();
+  else
+    m_search_edit->clearFocus();
+}
+
+void SearchBar::ConnectWidgets()
+{
+  connect(m_search_edit, &QLineEdit::textChanged, this, &SearchBar::Search);
+  connect(m_close_button, &QPushButton::pressed, this, &SearchBar::Toggle);
+}

Source/Core/DolphinQt2/SearchBar.h

@@ -0,0 +1,31 @@
+// Copyright 2018 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <QWidget>
+
+class QCheckBox;
+class QLineEdit;
+class QPushButton;
+
+class SearchBar : public QWidget
+{
+  Q_OBJECT
+public:
+  explicit SearchBar(QWidget* parent = nullptr);
+
+  void Toggle();
+signals:
+  void Search(const QString& serach);
+
+private:
+  void CreateWidgets();
+  void ConnectWidgets();
+
+  QLineEdit* m_search_edit;
+  QCheckBox* m_wii_check;
+  QCheckBox* m_gc_check;
+  QPushButton* m_close_button;
+};