find.c File Reference

#include "precomp.h"

Go to the source code of this file.

Defines
#define	SEARCH_STRING_LENGTH   (80)
Functions
USHORT	SearchForString (IN PSCREEN_INFORMATION ScreenInfo, IN PWSTR SearchString, IN USHORT StringLength, IN BOOLEAN IgnoreCase, IN BOOLEAN Reverse, OUT PCOORD StringPosition)
INT_PTR	FindDialogProc (HWND hWnd, UINT Message, WPARAM wParam, LPARAM lParam)
VOID	DoFind (IN PCONSOLE_INFORMATION Console)

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Define Documentation

#define SEARCH_STRING_LENGTH   (80)

Definition at line 25 of file find.c. Referenced by FindDialogProc(), and SearchForString().

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Function Documentation

VOID DoFind (  IN PCONSOLE_INFORMATION  Console  )

Definition at line 268 of file find.c. References FindDialogProc(), ghInstance, and ID_FINDDLG. Referenced by ConsoleWindowProc(). { DialogBoxParam(ghInstance, MAKEINTRESOURCE(ID_FINDDLG), Console->hWnd, FindDialogProc, (LPARAM)Console); }

INT_PTR FindDialogProc (  HWND  hWnd, UINT  Message, WPARAM  wParam, LPARAM  lParam )

Definition at line 171 of file find.c. References ARRAY_SIZE, CheckRadioButton(), ClearSelection(), CONSOLE_MOUSE_SELECTION, CONSOLE_SELECTING, CONSOLE_SELECTION_NOT_EMPTY, CONSOLE_WINDOW_SIZE_X, CONSOLE_WINDOW_SIZE_Y, _CONSOLE_INFORMATION::CurrentScreenBuffer, EndDialog(), FALSE, _CONSOLE_INFORMATION::Flags, GetDlgItemText(), GetWindowLongPtr(), hWnd, ID_FINDCASE, ID_FINDDOWN, ID_FINDSTR, ID_FINDUP, IsDlgButtonChecked(), msgSelectMode, MyInvert(), SEARCH_STRING_LENGTH, SearchForString(), _CONSOLE_INFORMATION::SelectionAnchor, _CONSOLE_INFORMATION::SelectionFlags, _CONSOLE_INFORMATION::SelectionRect, SendDlgItemMessage(), SetWindowLongPtr(), SetWindowOrigin(), SetWinText(), StringLength(), TRUE, USHORT, and _SCREEN_INFORMATION::Window. Referenced by DoFind(). { PCONSOLE_INFORMATION Console; PSCREEN_INFORMATION ScreenInfo; USHORT StringLength; USHORT ColumnWidth; WCHAR szBuf[SEARCH_STRING_LENGTH + 1]; COORD Position; BOOLEAN IgnoreCase; BOOLEAN Reverse; switch (Message) { case WM_INITDIALOG: SetWindowLongPtr(hWnd, DWLP_USER, lParam); SendDlgItemMessage(hWnd, ID_FINDSTR, EM_LIMITTEXT, ARRAY_SIZE(szBuf)-1, 0); CheckRadioButton(hWnd, ID_FINDUP, ID_FINDDOWN, ID_FINDDOWN); return TRUE; case WM_COMMAND: switch (LOWORD(wParam)) { case IDOK: StringLength = (USHORT)GetDlgItemText(hWnd, ID_FINDSTR, szBuf, ARRAY_SIZE(szBuf)); if (StringLength == 0) { break; } IgnoreCase = IsDlgButtonChecked(hWnd, ID_FINDCASE) == 0; Reverse = IsDlgButtonChecked(hWnd, ID_FINDDOWN) == 0; Console = (PCONSOLE_INFORMATION)GetWindowLongPtr(hWnd, DWLP_USER); ScreenInfo = Console->CurrentScreenBuffer; if ((ColumnWidth = SearchForString(ScreenInfo, szBuf, StringLength, IgnoreCase, Reverse, &Position)) != 0) { // // Clear any old selections // if (Console->Flags & CONSOLE_SELECTING) { ClearSelection(Console); } // // Make the new selection // Console->Flags |= CONSOLE_SELECTING; Console->SelectionFlags = CONSOLE_MOUSE_SELECTION | CONSOLE_SELECTION_NOT_EMPTY; Console->SelectionAnchor = Position; Console->SelectionRect.Left = Console->SelectionAnchor.X; Console->SelectionRect.Right = Console->SelectionRect.Left + ColumnWidth - 1; Console->SelectionRect.Top = Console->SelectionRect.Bottom = Console->SelectionAnchor.Y; MyInvert(Console,&Console->SelectionRect); SetWinText(Console,msgSelectMode,TRUE); // // Make sure the hilited text will be visible // if (Console->SelectionRect.Left < ScreenInfo->Window.Left) { Position.X = Console->SelectionRect.Left; } else if (Console->SelectionRect.Right > ScreenInfo->Window.Right) { Position.X = Console->SelectionRect.Right - CONSOLE_WINDOW_SIZE_X(ScreenInfo) + 1; } else { Position.X = ScreenInfo->Window.Left; } if (Console->SelectionRect.Top < ScreenInfo->Window.Top) { Position.Y = Console->SelectionRect.Top; } else if (Console->SelectionRect.Bottom > ScreenInfo->Window.Bottom) { Position.Y = Console->SelectionRect.Bottom - CONSOLE_WINDOW_SIZE_Y(ScreenInfo) + 1; } else { Position.Y = ScreenInfo->Window.Top; } SetWindowOrigin(ScreenInfo, TRUE, Position); return TRUE; } else { // // The string wasn't found // Beep(800, 200); } break; case IDCANCEL: EndDialog(hWnd, 0); return TRUE; } break; default: break; } return FALSE; }

USHORT SearchForString (  IN PSCREEN_INFORMATION  ScreenInfo, IN PWSTR  SearchString, IN USHORT  StringLength, IN BOOLEAN  IgnoreCase, IN BOOLEAN  Reverse, OUT PCOORD  StringPosition )

Definition at line 28 of file find.c. References ARRAY_SIZE, ASSERT, BOOL, _ROW::CharRow, _CHAR_ROW::Chars, CONSOLE_SELECTING, _CONSOLE_INFORMATION::CP, FALSE, _CONSOLE_INFORMATION::Flags, _CONSOLE_INFORMATION::hDC, L, MyStringCompareW(), SEARCH_STRING_LENGTH, _CONSOLE_INFORMATION::SelectionAnchor, SHORT, StringLength(), TRUE, and USHORT. Referenced by FindDialogProc(). { PCONSOLE_INFORMATION Console; COORD MaxPosition; COORD EndPosition; COORD Position; BOOL RecomputeRow; SHORT RowIndex; PROW Row; USHORT ColumnWidth; WCHAR SearchString2[SEARCH_STRING_LENGTH * 2 + 1]; // search string buffer PWSTR pStr; Console = ScreenInfo->Console; MaxPosition.X = ScreenInfo->ScreenBufferSize.X - StringLength; MaxPosition.Y = ScreenInfo->ScreenBufferSize.Y - 1; // // calculate starting position // if (Console->Flags & CONSOLE_SELECTING) { Position.X = Console->SelectionAnchor.X; Position.Y = Console->SelectionAnchor.Y; } else if (Reverse) { Position.X = 0; Position.Y = 0; } else { Position.X = MaxPosition.X; Position.Y = MaxPosition.Y; } // // prepare search string // // Raid #113599 CMD:Find(Japanese strings) does not work correctly // ASSERT(StringLength == wcslen(SearchString) && StringLength < ARRAY_SIZE(SearchString2)); pStr = SearchString2; while (*SearchString) { *pStr++ = *SearchString; #if defined(CON_TB_MARK) // // On the screen, one FarEast "FullWidth" character occupies two columns (double width), // so we have to share two screen buffer elements for one DBCS character. // For example, if the screen shows "AB[DBC]CD", the screen buffer will be, // [L'A'] [L'B'] [DBC(Unicode)] [CON_TB_MARK] [L'C'] [L'D'] // (DBC:: Double Byte Character) // CON_TB_MARK is used to indicate that the column is the trainling byte. // // Before comparing the string with the screen buffer, we need to modify the search // string to match the format of the screen buffer. // If we find a FullWidth character in the search string, put CON_TB_MARK // right after it so that we're able to use NLS functions. // #else // // If KAttribute is used, the above example will look like: // CharRow.Chars: [L'A'] [L'B'] [DBC(Unicode)] [DBC(Unicode)] [L'C'] [L'D'] // CharRow.KAttrs: 0 0 LEADING_BYTE TRAILING_BYTE 0 0 // #endif if (IsConsoleFullWidth(Console->hDC, Console->CP, *SearchString)) { #if defined(CON_TB_MARK) *pStr++ = CON_TB_MARK; #else *pStr++ = *SearchString; #endif } ++SearchString; } *pStr = L'\0'; ColumnWidth = (USHORT)(pStr - SearchString2); SearchString = SearchString2; // // set the string length in byte // StringLength = ColumnWidth * sizeof(WCHAR); // // search for the string // RecomputeRow = TRUE; EndPosition = Position; do { #if !defined(CON_TB_MARK) #if DBG int nLoop = 0; #endif recalc: #endif if (Reverse) { if (--Position.X < 0) { Position.X = MaxPosition.X; if (--Position.Y < 0) { Position.Y = MaxPosition.Y; } RecomputeRow = TRUE; } } else { if (++Position.X > MaxPosition.X) { Position.X = 0; if (++Position.Y > MaxPosition.Y) { Position.Y = 0; } RecomputeRow = TRUE; } } if (RecomputeRow) { RowIndex = (ScreenInfo->BufferInfo.TextInfo.FirstRow + Position.Y) % ScreenInfo->ScreenBufferSize.Y; Row = &ScreenInfo->BufferInfo.TextInfo.Rows[RowIndex]; RecomputeRow = FALSE; } #if !defined(CON_TB_MARK) ASSERT(nLoop++ < 2); if (Row->CharRow.KAttrs && (Row->CharRow.KAttrs[Position.X] & ATTR_TRAILING_BYTE)) { goto recalc; } #endif if (!MyStringCompareW(SearchString, &Row->CharRow.Chars[Position.X], StringLength, IgnoreCase)) { *StringPosition = Position; return ColumnWidth; } } while (!(Position.X == EndPosition.X && Position.Y == EndPosition.Y)); return 0; // the string was not found }

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