Qt: Initial hotkey implementation

src/duckstation-qt/hotkeysettingswidget.cpp

@@ -0,0 +1,63 @@
+#include "hotkeysettingswidget.h"
+#include "core/controller.h"
+#include "core/settings.h"
+#include "inputbindingwidgets.h"
+#include "qthostinterface.h"
+#include "qtutils.h"
+#include <QtCore/QTimer>
+#include <QtGui/QKeyEvent>
+#include <QtWidgets/QGridLayout>
+#include <QtWidgets/QLabel>
+
+HotkeySettingsWidget::HotkeySettingsWidget(QtHostInterface* host_interface, QWidget* parent /* = nullptr */)
+  : QWidget(parent), m_host_interface(host_interface)
+{
+  createUi();
+}
+
+HotkeySettingsWidget::~HotkeySettingsWidget() = default;
+
+void HotkeySettingsWidget::createUi()
+{
+  QGridLayout* layout = new QGridLayout(this);
+
+  m_tab_widget = new QTabWidget(this);
+
+  createButtons();
+
+  layout->addWidget(m_tab_widget, 0, 0, 1, 1);
+
+  setLayout(layout);
+}
+
+void HotkeySettingsWidget::createButtons()
+{
+  std::vector<QtHostInterface::HotkeyInfo> hotkeys = m_host_interface->getHotkeyList();
+
+  for (const QtHostInterface::HotkeyInfo& hi : hotkeys)
+  {
+    auto iter = m_categories.find(hi.category);
+    if (iter == m_categories.end())
+    {
+      QWidget* container = new QWidget(m_tab_widget);
+      QVBoxLayout* vlayout = new QVBoxLayout(container);
+      QGridLayout* layout = new QGridLayout();
+      layout->setContentsMargins(0, 0, 0, 0);
+      vlayout->addLayout(layout);
+      vlayout->addStretch(1);
+      iter = m_categories.insert(hi.category, Category{container, layout});
+      m_tab_widget->addTab(container, hi.category);
+    }
+
+    QWidget* container = iter->container;
+    QGridLayout* layout = iter->layout;
+    const int layout_count = layout->count() / 2;
+    const int target_column = (layout_count / ROWS_PER_COLUMN) * 2;
+    const int target_row = layout_count % ROWS_PER_COLUMN;
+
+    const QString setting_name = QStringLiteral("Hotkeys/%1").arg(hi.name);
+    layout->addWidget(new QLabel(hi.display_name, container), target_row, target_column);
+    layout->addWidget(new InputButtonBindingWidget(m_host_interface, setting_name, container), target_row,
+                      target_column + 1);
+  }
+}