Initial community commit

Src/external_dependencies/openmpt-trunk/mptrack/InputHandler.h

@@ -0,0 +1,84 @@
+/*
+ * InputHandler.h
+ * --------------
+ * Purpose: Implementation of keyboard input handling, keymap loading, ...
+ * Notes  : (currently none)
+ * Authors: OpenMPT Devs
+ * The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
+ */
+
+
+#pragma once
+
+#include "openmpt/all/BuildSettings.hpp"
+
+#include "CommandSet.h"
+
+OPENMPT_NAMESPACE_BEGIN
+
+// Hook codes
+enum
+{
+	HC_MIDI = 0x8000,
+};
+
+class CInputHandler
+{
+protected:
+	CWnd *m_pMainFrm;
+	KeyMap m_keyMap;
+	FlagSet<Modifiers> m_modifierMask = ModNone;
+	int m_bypassCount = 0;
+	bool m_bInterceptWindowsKeys : 1, m_bInterceptNumLock : 1, m_bInterceptCapsLock : 1, m_bInterceptScrollLock : 1;
+
+public:
+	std::unique_ptr<CCommandSet> m_activeCommandSet;
+
+	std::array<CommandID, 10> m_lastCommands;
+	size_t m_lastCommandPos = 0;
+
+public:
+	CInputHandler(CWnd *mainframe);
+	CommandID GeneralKeyEvent(InputTargetContext context, int code, WPARAM wParam , LPARAM lParam);
+	CommandID KeyEvent(InputTargetContext context, UINT &nChar, UINT &nRepCnt, UINT &nFlags, KeyEventType keyEventType, CWnd *pSourceWnd = nullptr);
+	static KeyEventType GetKeyEventType(UINT nFlags);
+	bool IsKeyPressHandledByTextBox(DWORD wparam, HWND hWnd) const;
+	CommandID HandleMIDIMessage(InputTargetContext context, uint32 message);
+
+	int GetKeyListSize(CommandID cmd) const;
+
+protected:
+	void LogModifiers();
+	bool CatchModifierChange(WPARAM wParam, KeyEventType keyEventType, int scancode);
+	bool InterceptSpecialKeys(UINT nChar, UINT nFlags, bool generateMsg);
+	void SetupSpecialKeyInterception();
+	CommandID SendCommands(CWnd *wnd, const KeyMapRange &cmd);
+
+public:
+	bool ShiftPressed() const;
+	bool SelectionPressed() const;
+	bool CtrlPressed() const;
+	bool AltPressed() const;
+	bool IsBypassed() const;
+	void Bypass(bool);
+	FlagSet<Modifiers> GetModifierMask() const;
+	void SetModifierMask(FlagSet<Modifiers> mask);
+	CString GetKeyTextFromCommand(CommandID c, const TCHAR *prependText = nullptr) const;
+	CString GetMenuText(UINT id) const;
+	void UpdateMainMenu();
+	void SetNewCommandSet(const CCommandSet *newSet);
+	bool SetEffectLetters(const CModSpecifications &modSpecs);
+};
+
+
+// RAII object for temporarily bypassing the input handler
+class BypassInputHandler
+{
+private:
+	bool bypassed = false;
+public:
+	BypassInputHandler();
+	~BypassInputHandler();
+};
+
+OPENMPT_NAMESPACE_END