Qt: Add search box to hotkey settings

src/duckstation-qt/hotkeysettingswidget.cpp

@@ -1,14 +1,18 @@
-// SPDX-FileCopyrightText: 2019-2024 Connor McLaughlin <stenzek@gmail.com>
+// SPDX-FileCopyrightText: 2019-2025 Connor McLaughlin <stenzek@gmail.com>
 // SPDX-License-Identifier: CC-BY-NC-ND-4.0
 
 #include "hotkeysettingswidget.h"
 #include "controllersettingswindow.h"
-#include "util/input_manager.h"
 #include "inputbindingwidgets.h"
 #include "qtutils.h"
 #include "settingwidgetbinder.h"
+
+#include "util/input_manager.h"
+
+#include <QtGui/QResizeEvent>
 #include <QtWidgets/QGridLayout>
 #include <QtWidgets/QLabel>
+#include <QtWidgets/QLineEdit>
 #include <QtWidgets/QMessageBox>
 #include <QtWidgets/QScrollArea>
 
@@ -20,13 +24,36 @@ HotkeySettingsWidget::HotkeySettingsWidget(QWidget* parent, ControllerSettingsWi
 
 HotkeySettingsWidget::~HotkeySettingsWidget() = default;
 
+HotkeySettingsWidget::Container::Container(QWidget* parent) : QWidget(parent)
+{
+  m_search = new QLineEdit(this);
+  m_search->setPlaceholderText(tr("Search..."));
+}
+
+HotkeySettingsWidget::Container::~Container() = default;
+
+void HotkeySettingsWidget::Container::resizeEvent(QResizeEvent* event)
+{
+  QWidget::resizeEvent(event);
+  repositionSearchBox();
+}
+
+void HotkeySettingsWidget::Container::repositionSearchBox()
+{
+  constexpr int box_width = 300;
+  constexpr int box_padding = 8;
+  const int x = std::max(width() - box_width - box_padding, 0);
+  const int h = m_search->height();
+  m_search->setGeometry(x, box_padding, box_width, h);
+}
+
 void HotkeySettingsWidget::createUi()
 {
   QGridLayout* layout = new QGridLayout(this);
   layout->setContentsMargins(0, 0, 0, 0);
 
   m_scroll_area = new QScrollArea(this);
-  m_container = new QWidget(m_scroll_area);
+  m_container = new Container(m_scroll_area);
   m_layout = new QVBoxLayout(m_container);
   m_scroll_area->setWidget(m_container);
   m_scroll_area->setWidgetResizable(true);
@@ -38,6 +65,9 @@ void HotkeySettingsWidget::createUi()
   layout->addWidget(m_scroll_area, 0, 0, 1, 1);
 
   setLayout(layout);
+
+  m_container->searchBox()->raise();
+  connect(m_container->searchBox(), &QLineEdit::textChanged, this, &HotkeySettingsWidget::setFilter);
 }
 
 void HotkeySettingsWidget::createButtons()
@@ -48,27 +78,35 @@ void HotkeySettingsWidget::createButtons()
     const QString category(qApp->translate("Hotkeys", hotkey->category));
 
     auto iter = m_categories.find(category);
+    int target_row = 0;
     if (iter == m_categories.end())
     {
-      QLabel* label = new QLabel(category, m_container);
-      QFont label_font(label->font());
+      CategoryWidgets cw;
+      cw.label = new QLabel(category, m_container);
+      QFont label_font(cw.label->font());
       label_font.setPointSizeF(14.0f);
-      label->setFont(label_font);
-      m_layout->addWidget(label);
+      cw.label->setFont(label_font);
+      m_layout->addWidget(cw.label);
 
-      QLabel* line = new QLabel(m_container);
-      line->setFrameShape(QFrame::HLine);
-      line->setFixedHeight(4);
-      m_layout->addWidget(line);
+      cw.line = new QLabel(m_container);
+      cw.line->setFrameShape(QFrame::HLine);
+      cw.line->setFixedHeight(4);
+      m_layout->addWidget(cw.line);
 
-      QGridLayout* layout = new QGridLayout();
-      layout->setContentsMargins(0, 0, 0, 0);
-      m_layout->addLayout(layout);
-      iter = m_categories.insert(category, layout);
+      cw.layout = new QGridLayout();
+      cw.layout->setContentsMargins(0, 0, 0, 0);
+      m_layout->addLayout(cw.layout);
+      iter = m_categories.insert(category, cw);
+
+      // row count starts at 1 for some reason
+      target_row = 0;
+    }
+    else
+    {
+      target_row = iter->layout->rowCount();
     }
 
-    QGridLayout* layout = *iter;
-    const int target_row = layout->count() / 2;
+    QGridLayout* layout = iter->layout;
 
     QLabel* label = new QLabel(qApp->translate("Hotkeys", hotkey->display_name), m_container);
     layout->addWidget(label, target_row, 0);
@@ -79,3 +117,28 @@ void HotkeySettingsWidget::createButtons()
     layout->addWidget(bind, target_row, 1);
   }
 }
+
+void HotkeySettingsWidget::setFilter(const QString& filter)
+{
+  for (const CategoryWidgets& cw : m_categories)
+  {
+    const int row_count = cw.layout->rowCount();
+    int visible_row_count = 0;
+    for (int i = 0; i < row_count; i++)
+    {
+      QLabel* label = qobject_cast<QLabel*>(cw.layout->itemAtPosition(i, 0)->widget());
+      InputBindingWidget* bind = qobject_cast<InputBindingWidget*>(cw.layout->itemAtPosition(i, 1)->widget());
+      if (!label || !bind)
+        continue;
+
+      const bool visible = (filter.isEmpty() || label->text().indexOf(filter, 0, Qt::CaseInsensitive) >= 0);
+      label->setVisible(visible);
+      bind->setVisible(visible);
+      visible_row_count += static_cast<int>(visible);
+    }
+
+    const bool heading_visible = (visible_row_count > 0);
+    cw.label->setVisible(heading_visible);
+    cw.line->setVisible(heading_visible);
+  }
+}

src/duckstation-qt/hotkeysettingswidget.h

@@ -1,13 +1,16 @@
-// SPDX-FileCopyrightText: 2019-2024 Connor McLaughlin <stenzek@gmail.com>
+// SPDX-FileCopyrightText: 2019-2025 Connor McLaughlin <stenzek@gmail.com>
 // SPDX-License-Identifier: CC-BY-NC-ND-4.0
 
 #pragma once
 
 #include <QtCore/QMap>
 #include <QtWidgets/QWidget>
+
 #include <array>
 #include <vector>
 
+class QLabel;
+class QLineEdit;
 class QScrollArea;
 class QGridLayout;
 class QVBoxLayout;
@@ -23,13 +26,41 @@ public:
   ~HotkeySettingsWidget();
 
 private:
+  struct CategoryWidgets
+  {
+    QLabel* label;
+    QLabel* line;
+    QGridLayout* layout;
+  };
+
+  class Container final : public QWidget
+  {
+  public:
+    Container(QWidget* parent);
+    ~Container() override;
+
+    QLineEdit* searchBox() const { return m_search; }
+
+    void resizeEvent(QResizeEvent* event) override;
+
+  private:
+    void repositionSearchBox();
+
+    QLineEdit* m_search;
+  };
+
   void createUi();
   void createButtons();
 
+private Q_SLOTS:
+  void setFilter(const QString& filter);
+
+private:
   ControllerSettingsWindow* m_dialog;
   QScrollArea* m_scroll_area = nullptr;
-  QWidget* m_container = nullptr;
+  Container* m_container = nullptr;
   QVBoxLayout* m_layout = nullptr;
+  QLineEdit* m_search = nullptr;
 
-  QMap<QString, QGridLayout*> m_categories;
+  QMap<QString, CategoryWidgets> m_categories;
 };

src/duckstation-qt/inputbindingwidgets.cpp

@@ -87,8 +87,10 @@ void InputBindingWidget::updateText()
     // fix up accelerators, and if it's too long, ellipsise it
     if (binding_text.contains('&'))
       binding_text = binding_text.replace(QStringLiteral("&"), QStringLiteral("&&"));
-    if (binding_text.length() > 35)
-      binding_text = binding_text.left(35).append(QStringLiteral("..."));
+
+    const int max_length = (width() < 300) ? 35 : 60;
+    if (binding_text.length() > max_length)
+      binding_text = binding_text.left(max_length).append(QStringLiteral("..."));
     setText(binding_text);
     setToolTip(QStringLiteral("%1\n\n%2\n%3").arg(binding_text).arg(tr(help_text)).arg(tr(help_clear_text)));
   }