134 lines
4.0 KiB
C++
134 lines
4.0 KiB
C++
/*
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* CiderPress
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* Copyright (C) 2007 by faddenSoft, LLC. All Rights Reserved.
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* See the file LICENSE for distribution terms.
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*/
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/*
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* Miscellaneous utility classes.
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*/
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#ifndef UTIL_UTIL_H
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#define UTIL_UTIL_H
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/*
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* Gripper for a resizable window.
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*/
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class CGripper: public CScrollBar {
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protected:
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afx_msg LRESULT OnNcHitTest(CPoint point);
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DECLARE_MESSAGE_MAP()
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};
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/*
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* Transfer a buffer of data into a rich edit control.
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*/
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class RichEditXfer {
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public:
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RichEditXfer(const void* buf, long len) : fBuf((char*)buf), fLen(len)
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{}
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static DWORD CALLBACK EditStreamCallback(DWORD dwCookie, LPBYTE pbBuff,
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LONG cb, LONG* pcb);
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const char* fBuf;
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long fLen;
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};
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/*
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* Buffer that expands as data is added to it with stdio-style calls.
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*/
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class ExpandBuffer {
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public:
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ExpandBuffer(long initialSize = 65536) {
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ASSERT(initialSize > 0);
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fInitialSize = initialSize;
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fWorkBuf = NULL;
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fWorkCount = fWorkMax = 0;
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}
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virtual ~ExpandBuffer(void) {
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if (fWorkBuf != NULL) {
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LOGI("ExpandBuffer: fWorkBuf not seized; freeing");
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delete[] fWorkBuf;
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}
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}
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virtual int CreateWorkBuf(void);
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void Reset(void) {
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delete[] fWorkBuf;
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fWorkBuf = NULL;
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fWorkCount = fWorkMax = 0;
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}
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// Copy printf-formatted output into the output buffer.
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void Printf(const char* format, ...);
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// Write binary data to the buffer.
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void Write(const unsigned char* buf, long len);
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// Put a single character in.
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void Putc(char ch);
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// Seize control of the buffer. It will be the caller's duty to call
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// delete[] to free it.
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virtual void SeizeBuffer(char** ppBuf, long* pLen);
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protected:
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virtual int GrowWorkBuf(void);
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enum {
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kWorkBufMaxIncrement = 4*1024*1024, // limit increase to 4MB jumps
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};
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long fInitialSize; // initial size of the work buffer
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char* fWorkBuf; // work in progress
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long fWorkCount; // quantity of data in buffer
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long fWorkMax; // maximum size of buffer
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};
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/*
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* Windows helpers.
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*/
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void EnableControl(CDialog* pDlg, int id, bool enable=true);
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void MoveControl(CDialog* pDlg, int id, int deltaX, int deltaY,
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bool redraw = true);
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void StretchControl(CDialog* pDlg, int id, int deltaX, int deltaY,
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bool redraw = true);
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void MoveStretchControl(CDialog* pDlg, int id, int moveX, int moveY,
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int stretchX, int stretchY, bool redraw = true);
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HDWP MoveControl(HDWP hdwp, CDialog* pDlg, int id, int deltaX, int deltaY,
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bool redraw = true);
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HDWP StretchControl(HDWP hdwp, CDialog* pDlg, int id, int deltaX, int deltaY,
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bool redraw = true);
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HDWP MoveStretchControl(HDWP hdwp, CDialog* pDlg, int id, int moveX, int moveY,
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int stretchX, int stretchY, bool redraw = true);
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int GetDlgButtonCheck(CWnd* pWnd, int id);
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void SetDlgButtonCheck(CWnd* pWnd, int id, int checkVal);
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void CreateSimpleFont(CFont* pFont, CWnd* pWnd, const WCHAR* typeFace,
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int pointSize);
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void GetWin32ErrorString(DWORD err, CString* pStr);
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void ShowFailureMsg(CWnd* pWnd, const CString& msg, int titleStrID);
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BOOL ShowContextHelp(CWnd* pWnd, HELPINFO* lpHelpInfo);
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bool IsWin9x(void);
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/*
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* Miscellaneous functions.
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*/
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int GetPascalString(const uint8_t* buf, long maxLen, CString* pStr);
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void LogHexDump(const void* buf, long len);
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int ComputePercent(LONGLONG part, LONGLONG full);
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void FormatDate(time_t when, CString* pStr);
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const WCHAR* Stristr(const WCHAR* string1, const WCHAR* string2);
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void VectorizeString(WCHAR* mangle, WCHAR** argv, int* pArgc);
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void InjectLowercase(CString* pStr);
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bool MatchSemicolonList(const CString set, const CString match);
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char* StrcpyNew(const char* str);
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/* time_t values for bad dates */
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#define kDateNone ((time_t) -2)
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#define kDateInvalid ((time_t) -1) // should match return from mktime()
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#endif /*UTIL_UTIL_H*/
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