got rid of 'src' folders in each sub-project

src/citra_qt/hotkeys.hxx

@@ -0,0 +1,50 @@
+#include <QShortcut>
+#include <QDialog>
+#include "ui_hotkeys.h"
+
+class QKeySequence;
+class QSettings;
+
+/**
+ * Register a hotkey.
+ *
+ * @param group General group this hotkey belongs to (e.g. "Main Window", "Debugger")
+ * @param action Name of the action (e.g. "Start Emulation", "Load Image")
+ * @param default_keyseq Default key sequence to assign if the hotkey wasn't present in the settings file before
+ * @param default_context Default context to assign if the hotkey wasn't present in the settings file before
+ * @warning Both the group and action strings will be displayed in the hotkey settings dialog
+ */
+void RegisterHotkey(const QString& group, const QString& action, const QKeySequence& default_keyseq = QKeySequence(), Qt::ShortcutContext default_context = Qt::WindowShortcut);
+
+/**
+ * Returns a QShortcut object whose activated() signal can be connected to other QObjects' slots.
+ *
+ * @param widget Parent widget of the returned QShortcut.
+ * @warning If multiple QWidgets' call this function for the same action, the returned QShortcut will be the same. Thus, you shouldn't rely on the caller really being the QShortcut's parent.
+ */
+QShortcut* GetHotkey(const QString& group, const QString& action, QWidget* widget);
+
+/**
+ * Saves all registered hotkeys to the settings file.
+ *
+ * @note Each hotkey group will be stored a settings group; For each hotkey inside that group, a settings group will be created to store the key sequence and the hotkey context.
+ */
+void SaveHotkeys(QSettings& settings);
+
+/**
+ * Loads hotkeys from the settings file.
+ *
+ * @note Yet unregistered hotkeys which are present in the settings will automatically be registered.
+ */
+void LoadHotkeys(QSettings& settings);
+
+class GHotkeysDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    GHotkeysDialog(QWidget* parent = NULL);
+
+private:
+    Ui::hotkeys ui;
+};