Initial community commit

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

@@ -0,0 +1,83 @@
+/*
+ * AboutDialog.h
+ * -------------
+ * Purpose: About dialog with credits, system information and a fancy demo effect.
+ * 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"
+
+OPENMPT_NAMESPACE_BEGIN
+
+class RawGDIDIB;
+
+class CRippleBitmap: public CWnd
+{
+
+public:
+
+	static constexpr DWORD UPDATE_INTERVAL = 15; // milliseconds
+
+protected:
+
+	BITMAPINFOHEADER m_bi;
+	std::unique_ptr<RawGDIDIB> m_bitmapSrc, m_bitmapTarget;
+	std::vector<int32> m_offset1, m_offset2;
+	int32 *m_frontBuf, *m_backBuf;
+	DWORD m_lastFrame = 0;	// Time of last frame
+	DWORD m_lastRipple = 0;	// Time of last added ripple
+	bool m_frame = false;		// Backbuffer toggle
+	bool m_damp = true;		// Ripple damping status
+	bool m_activity = true;	// There are actually some ripples
+	bool m_showMouse = true;
+
+public:
+
+	CRippleBitmap();
+	~CRippleBitmap();
+	bool Animate();
+
+protected:
+	void OnPaint();
+	BOOL OnEraseBkgnd(CDC *) { return TRUE; }
+
+	void OnMouseMove(UINT nFlags, CPoint point);
+	void OnMouseHover(UINT nFlags, CPoint point) { OnMouseMove(nFlags, point); }
+	void OnMouseLeave();
+
+	DECLARE_MESSAGE_MAP()
+};
+
+
+class CAboutDlg: public CDialog
+{
+protected:
+	CRippleBitmap m_bmp;
+	CTabCtrl m_Tab;
+	CEdit m_TabEdit;
+	UINT_PTR m_TimerID = 0;
+	static constexpr UINT_PTR TIMERID_ABOUT_DEFAULT = 3;
+
+public:
+	static CAboutDlg *instance;
+
+	~CAboutDlg();
+
+	// Implementation
+protected:
+	BOOL OnInitDialog() override;
+	void OnOK() override;
+	void OnCancel() override;
+	DECLARE_MESSAGE_MAP();
+	void DoDataExchange(CDataExchange* pDX) override;
+	afx_msg void OnTabChange(NMHDR *pNMHDR, LRESULT *pResult);
+	void OnTimer(UINT_PTR nIDEvent);
+public:
+	static mpt::ustring GetTabText(int tab);
+};
+
+OPENMPT_NAMESPACE_END