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some little fixes

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svn path=/trunk/; revision=9778
This commit is contained in:
Thomas Bluemel
2004-06-20 22:52:39 +00:00
parent b24bc6c8de
commit 77ea00dd50
1 changed files with 256 additions and 15 deletions
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reactos/subsys/system/regedit/hexedit.c
+256 -15
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@@ -35,16 +35,29 @@ typedef struct
DWORD ColumnsPerLine;
DWORD nLines;
DWORD nVisibleLines;
INT Position;
INT LineHeight;
INT CharWidth;
HFONT hFont;
INT LeftMargin;
INT TopMargin;
INT AddressSpacing;
INT SplitSpacing;
BOOL EditingField;
INT CaretCol;
INT CaretLine;
} HEXEDIT_DATA, *PHEXEDIT_DATA;
/* hit test codes */
#define HEHT_LEFTMARGIN (0x1)
#define HEHT_ADDRESS (0x2)
#define HEHT_ADDRESSSPACING (0x3)
#define HEHT_HEXDUMP (0x4)
#define HEHT_HEXDUMPSPACING (0x5)
#define HEHT_ASCIIDUMP (0x6)
#define HEHT_RIGHTMARGIN (0x7)
LRESULT WINAPI HexEditWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
ATOM
@@ -55,7 +68,7 @@ RegisterHexEditorClass(HINSTANCE hInstance)
ZeroMemory(&WndClass, sizeof(WNDCLASSEX));
WndClass.cbSize = sizeof(WNDCLASSEX);
WndClass.style = CS_DBLCLKS;// | CS_PARENTDC;
WndClass.style = CS_DBLCLKS;
WndClass.lpfnWndProc = (WNDPROC)HexEditWndProc;
WndClass.cbWndExtra = sizeof(PHEXEDIT_DATA);
WndClass.hInstance = hInstance;
@@ -76,10 +89,33 @@ UnregisterHexEditorClass(HINSTANCE hInstance)
/*** Helper functions *********************************************************/
static VOID
HEXEDIT_MoveCaret(PHEXEDIT_DATA hed, INT Col, INT Line)
HEXEDIT_MoveCaret(PHEXEDIT_DATA hed, INT Line, INT Column, BOOL HexDump)
{
/* FIXME - include the scroll position */
SetCaretPos(hed->LeftMargin + (Col * hed->CharWidth), hed->TopMargin + (Line * hed->LineHeight));
SCROLLINFO si;
si.cbSize = sizeof(SCROLLINFO);
si.fMask = SIF_POS;
GetScrollInfo(hed->hWndSelf, SB_VERT, &si);
if(si.nPos > Line)
{
si.nPos = Line;
SetScrollInfo(hed->hWndSelf, SB_VERT, &si, TRUE);
GetScrollInfo(hed->hWndSelf, SB_VERT, &si);
InvalidateRect(hed->hWndSelf, NULL, TRUE);
}
else if((Line - si.nPos) > hed->nVisibleLines)
{
si.nPos += (Line - si.nPos);
SetScrollInfo(hed->hWndSelf, SB_VERT, &si, TRUE);
GetScrollInfo(hed->hWndSelf, SB_VERT, &si);
InvalidateRect(hed->hWndSelf, NULL, TRUE);
}
if(HexDump)
SetCaretPos(hed->LeftMargin + ((4 + hed->AddressSpacing) * hed->CharWidth) - 2, (Line - si.nPos) * hed->LineHeight);
else
SetCaretPos(hed->LeftMargin + ((4 + hed->AddressSpacing + hed->SplitSpacing + (3 * hed->ColumnsPerLine)) * hed->CharWidth) - 2, (Line - si.nPos) * hed->LineHeight);
}
static VOID
@@ -136,6 +172,7 @@ HEXEDIT_PaintLines(PHEXEDIT_DATA hed, HDC hDC, DWORD ScrollPos, DWORD First, DWO
PBYTE buf, current, end, line;
UINT bufsize;
TCHAR hex[3], addr[17];
RECT rct;
if(hed->hBuffer)
{
@@ -157,24 +194,35 @@ HEXEDIT_PaintLines(PHEXEDIT_DATA hed, HDC hDC, DWORD ScrollPos, DWORD First, DWO
current = buf + linestart;
Last = min(hed->nLines - ScrollPos, Last);
for(; First <= Last && current < end; First++)
while(First <= Last && current < end)
{
int slen;
DWORD dh;
dx = hed->LeftMargin;
/* draw address */
_stprintf(addr, _T("%04X"), linestart);
TextOut(hDC, dx, dy, addr, 4);
dx += (4 + hed->AddressSpacing) * hed->CharWidth;
dx += ((4 + hed->AddressSpacing) * hed->CharWidth);
dh = (3 * hed->CharWidth);
rct.left = dx;
rct.top = dy;
rct.right = rct.left + dh;
rct.bottom = dy + hed->LineHeight;
/* draw hex map */
dx += (hed->CharWidth / 2);
line = current;
for(x = 0; x < hed->ColumnsPerLine && current < end; x++)
{
rct.left += dh;
rct.right += dh;
_stprintf(hex, _T("%02X"), *(current++));
TextOut(hDC, dx, dy, hex, 2);
dx += (3 * hed->CharWidth);
ExtTextOut(hDC, dx, dy, ETO_OPAQUE, &rct, hex, 2, NULL);
dx += dh;
}
/* draw ascii map */
@@ -183,19 +231,117 @@ HEXEDIT_PaintLines(PHEXEDIT_DATA hed, HDC hDC, DWORD ScrollPos, DWORD First, DWO
for(x = 0; x < hed->ColumnsPerLine && current < end; x++)
{
_stprintf(hex, _T("%C"), *(current++));
hex[0] = ((hex[0] & _T('\x007f')) > _T(' ') ? hex[0] : _T('.'));
hex[0] = ((hex[0] & _T('\x007f')) >= _T(' ') ? hex[0] : _T('.'));
TextOut(hDC, dx, dy, hex, 1);
dx += hed->CharWidth;
}
dy += hed->LineHeight;
linestart += hed->ColumnsPerLine;
First++;
}
}
LocalUnlock(hed->hBuffer);
}
static DWORD
HEXEDIT_HitRegionTest(PHEXEDIT_DATA hed, POINTS pt, POINTS *ptClient)
{
WINDOWINFO wi;
int d, x;
wi.cbSize = sizeof(WINDOWINFO);
GetWindowInfo(hed->hWndSelf, &wi);
x = pt.x - wi.rcClient.left;
if(ptClient)
{
ptClient->x = x;
ptClient->y = pt.y - wi.rcClient.top;
}
if(x <= hed->LeftMargin)
{
return HEHT_LEFTMARGIN;
}
x -= hed->LeftMargin;
d = (4 * hed->CharWidth);
if(x <= d)
{
return HEHT_ADDRESS;
}
x -= d;
d = (hed->AddressSpacing * hed->CharWidth);
if(x <= d)
{
return HEHT_ADDRESSSPACING;
}
x -= d;
d = (3 * hed->ColumnsPerLine * hed->CharWidth);
if(x <= d)
{
return HEHT_HEXDUMP;
}
x -= d;
d = (hed->SplitSpacing * hed->CharWidth);
if(x <= d)
{
return HEHT_HEXDUMPSPACING;
}
x -= d;
d = (hed->ColumnsPerLine * hed->CharWidth);
if(x <= d)
{
return HEHT_ASCIIDUMP;
}
return HEHT_RIGHTMARGIN;
}
static DWORD
HEXEDIT_PositionFromPoint(PHEXEDIT_DATA hed, POINTS pt, DWORD *Hit)
{
SCROLLINFO si;
POINTS ptClient;
DWORD Line;
*Hit = HEXEDIT_HitRegionTest(hed, pt, &ptClient);
si.cbSize = sizeof(SCROLLINFO);
si.fMask = SIF_POS;
GetScrollInfo(hed->hWndSelf, SB_VERT, &si);
if(hed->LineHeight > 0)
{
Line = min(si.nPos + (ptClient.y / hed->LineHeight), hed->nLines);
}
else
return 0;
switch(*Hit)
{
case HEHT_LEFTMARGIN:
case HEHT_ADDRESS:
case HEHT_ADDRESSSPACING:
return Line * hed->ColumnsPerLine;
case HEHT_HEXDUMP:
return 0;
case HEHT_ASCIIDUMP:
return 0;
case HEHT_RIGHTMARGIN:
return (Line + 1) * hed->ColumnsPerLine;
}
}
/*** Control specific messages ************************************************/
static LRESULT
@@ -222,6 +368,7 @@ HEXEDIT_HEM_LOADBUFFER(PHEXEDIT_DATA hed, PVOID Buffer, DWORD Size)
else
{
hed->hBuffer = LocalFree(hed->hBuffer);
hed->Position = 0;
HEXEDIT_Update(hed);
return 0;
@@ -244,11 +391,13 @@ HEXEDIT_HEM_LOADBUFFER(PHEXEDIT_DATA hed, PVOID Buffer, DWORD Size)
LocalUnlock(hed->hBuffer);
}
hed->Position = 0;
HEXEDIT_Update(hed);
return Size;
}
else if(hed->hBuffer)
{
hed->Position = 0;
hed->hBuffer = LocalFree(hed->hBuffer);
HEXEDIT_Update(hed);
}
@@ -318,9 +467,9 @@ HEXEDIT_WM_NCCREATE(HWND hWnd, CREATESTRUCT *cs)
hed->ColumnsPerLine = 8;
hed->LeftMargin = 2;
hed->TopMargin = 2;
hed->AddressSpacing = 2;
hed->SplitSpacing = 2;
hed->EditingField = TRUE; /* in hexdump field */
SetWindowLong(hWnd, 0, (LONG)hed);
@@ -351,8 +500,8 @@ HEXEDIT_WM_CREATE(PHEXEDIT_DATA hed)
static LRESULT
HEXEDIT_WM_SETFOCUS(PHEXEDIT_DATA hed)
{
CreateCaret(hed->hWndSelf, 0, 2, hed->LineHeight);
HEXEDIT_MoveCaret(hed, 0, 0);
CreateCaret(hed->hWndSelf, 0, 1, hed->LineHeight);
HEXEDIT_MoveCaret(hed, hed->CaretLine, hed->CaretCol, hed->EditingField);
ShowCaret(hed->hWndSelf);
return 0;
}
@@ -471,6 +620,7 @@ HEXEDIT_WM_PAINT(PHEXEDIT_DATA hed)
DWORD nLines, nFirst;
HFONT hOldFont;
HDC hTempDC;
DWORD height;
if(GetUpdateRect(hed->hWndSelf, &rc, FALSE) && (hed->LineHeight > 0))
{
@@ -479,7 +629,12 @@ HEXEDIT_WM_PAINT(PHEXEDIT_DATA hed)
si.fMask = SIF_POS;
GetScrollInfo(hed->hWndSelf, SB_VERT, &si);
nLines = (rc.bottom - rc.top) / hed->LineHeight;
height = (rc.bottom - rc.top);
nLines = height / hed->LineHeight;
if((height % hed->LineHeight) > 0)
{
nLines++;
}
if(nLines > hed->nLines - si.nPos)
{
nLines = hed->nLines - si.nPos;
@@ -543,6 +698,86 @@ HEXEDIT_WM_MOUSEWHEEL(PHEXEDIT_DATA hed, int cyMoveLines, WORD ButtonsDown, LPPO
return 0;
}
static LRESULT
HEXEDIT_WM_SETCURSOR(PHEXEDIT_DATA hed)
{
POINTS pt;
DWORD Hit, Pos;
Pos = GetMessagePos();
pt = MAKEPOINTS(Pos);
Hit = HEXEDIT_HitRegionTest(hed, pt, NULL);
switch(Hit)
{
case HEHT_HEXDUMP:
case HEHT_HEXDUMPSPACING:
case HEHT_ASCIIDUMP:
SetCursor(LoadCursor(0, MAKEINTRESOURCE(IDC_IBEAM)));
break;
default:
SetCursor(LoadCursor(0, MAKEINTRESOURCE(IDC_ARROW)));
break;
}
return TRUE;
}
static BOOL
HEXEDIT_WM_KEYDOWN(PHEXEDIT_DATA hed, INT VkCode)
{
DWORD bufsize;
BOOL shift, control, handled;
if(GetKeyState(VK_MENU) & 0x8000)
{
return FALSE;
}
shift = GetKeyState(VK_SHIFT) & 0x8000;
control = GetKeyState(VK_CONTROL) & 0x8000;
bufsize = (hed->hBuffer ? LocalSize(hed->hBuffer) : 0);
handled = FALSE;
switch(VkCode)
{
case VK_LEFT:MessageBox(0, L"", L"", 0);
if(hed->Position > 0)
{
if(--hed->CaretCol < 0)
{
hed->CaretLine--;
hed->CaretCol = hed->ColumnsPerLine;
}
else
hed->Position--;
HEXEDIT_MoveCaret(hed, hed->CaretLine, hed->CaretCol, hed->EditingField);
}
handled = TRUE;
break;
case VK_RIGHT:
if(hed->Position < bufsize)
{
if(++hed->CaretCol > hed->ColumnsPerLine)
{
hed->CaretLine = 0;
hed->CaretLine++;
}
else
hed->Position++;
HEXEDIT_MoveCaret(hed, hed->CaretLine, hed->CaretCol, hed->EditingField);
}
handled = TRUE;
break;
}
return FALSE;
}
LRESULT
WINAPI
HexEditWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
@@ -558,6 +793,12 @@ HexEditWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
case WM_PAINT:
return HEXEDIT_WM_PAINT(hed);
case WM_SETCURSOR:
return HEXEDIT_WM_SETCURSOR(hed);
case WM_KEYDOWN:
return HEXEDIT_WM_KEYDOWN(hed, (INT)wParam);
case WM_VSCROLL:
return HEXEDIT_WM_VSCROLL(hed, HIWORD(wParam), LOWORD(wParam));