mirror of
https://github.com/reactos/reactos.git
synced 2024-10-30 11:35:58 +00:00
612 lines
16 KiB
C
612 lines
16 KiB
C
/*
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* ReactOS kernel
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* Copyright (C) 2004 ReactOS Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS text-mode setup
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* FILE: base/setup/usetup/genlist.c
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* PURPOSE: Generic list functions
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* PROGRAMMER: Christoph von Wittich <christoph at reactos.org>
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*/
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/* INCLUDES *****************************************************************/
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#include "usetup.h"
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#define NDEBUG
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#include <debug.h>
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/* FUNCTIONS ****************************************************************/
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VOID
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InitGenericListUi(
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IN OUT PGENERIC_LIST_UI ListUi,
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IN PGENERIC_LIST List,
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IN PGET_ENTRY_DESCRIPTION GetEntryDescriptionProc)
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{
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ListUi->List = List;
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ListUi->FirstShown = NULL;
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ListUi->LastShown = NULL;
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ListUi->BackupEntry = NULL;
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ListUi->GetEntryDescriptionProc = GetEntryDescriptionProc;
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ListUi->Left = 0;
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ListUi->Top = 0;
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ListUi->Right = 0;
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ListUi->Bottom = 0;
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ListUi->Redraw = TRUE;
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ListUi->CurrentItemText[0] = ANSI_NULL;
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/* SaveGenericListUiState(ListUi); */
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ListUi->BackupEntry = ListUi->List->CurrentEntry;
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}
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VOID
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RestoreGenericListUiState(
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IN PGENERIC_LIST_UI ListUi)
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{
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ListUi->List->CurrentEntry = ListUi->BackupEntry;
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}
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static
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VOID
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DrawListFrame(
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IN PGENERIC_LIST_UI ListUi)
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{
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COORD coPos;
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DWORD Written;
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SHORT i;
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/* Draw upper left corner */
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coPos.X = ListUi->Left;
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coPos.Y = ListUi->Top;
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FillConsoleOutputCharacterA(StdOutput,
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0xDA, // '+',
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1,
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coPos,
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&Written);
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/* Draw upper edge */
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coPos.X = ListUi->Left + 1;
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coPos.Y = ListUi->Top;
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FillConsoleOutputCharacterA(StdOutput,
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0xC4, // '-',
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ListUi->Right - ListUi->Left - 1,
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coPos,
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&Written);
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/* Draw upper right corner */
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coPos.X = ListUi->Right;
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coPos.Y = ListUi->Top;
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FillConsoleOutputCharacterA(StdOutput,
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0xBF, // '+',
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1,
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coPos,
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&Written);
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/* Draw left and right edge */
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for (i = ListUi->Top + 1; i < ListUi->Bottom; i++)
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{
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coPos.X = ListUi->Left;
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coPos.Y = i;
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FillConsoleOutputCharacterA(StdOutput,
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0xB3, // '|',
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1,
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coPos,
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&Written);
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coPos.X = ListUi->Right;
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FillConsoleOutputCharacterA(StdOutput,
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0xB3, //'|',
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1,
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coPos,
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&Written);
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}
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/* Draw lower left corner */
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coPos.X = ListUi->Left;
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coPos.Y = ListUi->Bottom;
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FillConsoleOutputCharacterA(StdOutput,
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0xC0, // '+',
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1,
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coPos,
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&Written);
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/* Draw lower edge */
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coPos.X = ListUi->Left + 1;
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coPos.Y = ListUi->Bottom;
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FillConsoleOutputCharacterA(StdOutput,
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0xC4, // '-',
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ListUi->Right - ListUi->Left - 1,
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coPos,
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&Written);
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/* Draw lower right corner */
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coPos.X = ListUi->Right;
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coPos.Y = ListUi->Bottom;
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FillConsoleOutputCharacterA(StdOutput,
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0xD9, // '+',
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1,
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coPos,
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&Written);
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}
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static
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VOID
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DrawListEntries(
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IN PGENERIC_LIST_UI ListUi)
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{
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PGENERIC_LIST List = ListUi->List;
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PGENERIC_LIST_ENTRY ListEntry;
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PLIST_ENTRY Entry;
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COORD coPos;
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DWORD Written;
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USHORT Width;
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coPos.X = ListUi->Left + 1;
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coPos.Y = ListUi->Top + 1;
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Width = ListUi->Right - ListUi->Left - 1;
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Entry = ListUi->FirstShown;
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while (Entry != &List->ListHead)
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{
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ListEntry = CONTAINING_RECORD(Entry, GENERIC_LIST_ENTRY, Entry);
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if (coPos.Y == ListUi->Bottom)
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break;
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ListUi->LastShown = Entry;
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ListUi->CurrentItemText[0] = ANSI_NULL;
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if (ListUi->GetEntryDescriptionProc)
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{
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ListUi->GetEntryDescriptionProc(ListEntry,
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ListUi->CurrentItemText,
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ARRAYSIZE(ListUi->CurrentItemText));
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}
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FillConsoleOutputAttribute(StdOutput,
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(List->CurrentEntry == ListEntry) ?
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FOREGROUND_BLUE | BACKGROUND_WHITE :
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FOREGROUND_WHITE | BACKGROUND_BLUE,
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Width,
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coPos,
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&Written);
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FillConsoleOutputCharacterA(StdOutput,
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' ',
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Width,
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coPos,
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&Written);
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coPos.X++;
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WriteConsoleOutputCharacterA(StdOutput,
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ListUi->CurrentItemText,
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min(strlen(ListUi->CurrentItemText), (SIZE_T)Width - 2),
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coPos,
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&Written);
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coPos.X--;
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coPos.Y++;
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Entry = Entry->Flink;
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}
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while (coPos.Y < ListUi->Bottom)
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{
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FillConsoleOutputAttribute(StdOutput,
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FOREGROUND_WHITE | BACKGROUND_BLUE,
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Width,
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coPos,
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&Written);
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FillConsoleOutputCharacterA(StdOutput,
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' ',
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Width,
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coPos,
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&Written);
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coPos.Y++;
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}
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}
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static
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VOID
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DrawScrollBarGenericList(
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IN PGENERIC_LIST_UI ListUi)
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{
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PGENERIC_LIST List = ListUi->List;
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COORD coPos;
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DWORD Written;
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coPos.X = ListUi->Right + 1;
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coPos.Y = ListUi->Top;
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if (ListUi->FirstShown != List->ListHead.Flink)
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{
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FillConsoleOutputCharacterA(StdOutput,
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'\x18',
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1,
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coPos,
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&Written);
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}
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else
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{
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FillConsoleOutputCharacterA(StdOutput,
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' ',
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1,
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coPos,
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&Written);
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}
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coPos.Y = ListUi->Bottom;
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if (ListUi->LastShown != List->ListHead.Blink)
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{
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FillConsoleOutputCharacterA(StdOutput,
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'\x19',
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1,
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coPos,
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&Written);
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}
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else
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{
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FillConsoleOutputCharacterA(StdOutput,
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' ',
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1,
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coPos,
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&Written);
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}
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}
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static
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VOID
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CenterCurrentListItem(
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IN PGENERIC_LIST_UI ListUi)
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{
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PGENERIC_LIST List = ListUi->List;
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PLIST_ENTRY Entry;
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ULONG MaxVisibleItems, ItemCount, i;
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if ((ListUi->Top == 0 && ListUi->Bottom == 0) ||
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IsListEmpty(&List->ListHead) ||
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List->CurrentEntry == NULL)
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{
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return;
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}
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MaxVisibleItems = (ULONG)(ListUi->Bottom - ListUi->Top - 1);
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/*****************************************
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ItemCount = 0;
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Entry = List->ListHead.Flink;
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while (Entry != &List->ListHead)
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{
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ItemCount++;
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Entry = Entry->Flink;
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}
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*****************************************/
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ItemCount = List->NumOfEntries; // GetNumberOfListEntries(List);
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if (ItemCount > MaxVisibleItems)
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{
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Entry = &List->CurrentEntry->Entry;
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for (i = 0; i < MaxVisibleItems / 2; i++)
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{
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if (Entry->Blink != &List->ListHead)
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Entry = Entry->Blink;
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}
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ListUi->FirstShown = Entry;
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for (i = 0; i < MaxVisibleItems; i++)
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{
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if (Entry->Flink != &List->ListHead)
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Entry = Entry->Flink;
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}
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ListUi->LastShown = Entry;
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}
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}
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VOID
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DrawGenericList(
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IN PGENERIC_LIST_UI ListUi,
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IN SHORT Left,
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IN SHORT Top,
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IN SHORT Right,
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IN SHORT Bottom)
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{
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PGENERIC_LIST List = ListUi->List;
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ListUi->FirstShown = List->ListHead.Flink;
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ListUi->Left = Left;
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ListUi->Top = Top;
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ListUi->Right = Right;
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ListUi->Bottom = Bottom;
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DrawListFrame(ListUi);
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if (IsListEmpty(&List->ListHead))
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return;
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CenterCurrentListItem(ListUi);
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DrawListEntries(ListUi);
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DrawScrollBarGenericList(ListUi);
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}
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VOID
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DrawGenericListCurrentItem(
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IN PGENERIC_LIST List,
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IN PGET_ENTRY_DESCRIPTION GetEntryDescriptionProc,
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IN SHORT Left,
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IN SHORT Top)
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{
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CHAR CurrentItemText[256];
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if (GetEntryDescriptionProc &&
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GetNumberOfListEntries(List) > 0)
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{
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GetEntryDescriptionProc(GetCurrentListEntry(List),
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CurrentItemText,
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ARRAYSIZE(CurrentItemText));
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CONSOLE_SetTextXY(Left, Top, CurrentItemText);
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}
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else
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{
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CONSOLE_SetTextXY(Left, Top, "");
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}
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}
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VOID
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ScrollDownGenericList(
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IN PGENERIC_LIST_UI ListUi)
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{
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PGENERIC_LIST List = ListUi->List;
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PLIST_ENTRY Entry;
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if (List->CurrentEntry == NULL)
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return;
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if (List->CurrentEntry->Entry.Flink != &List->ListHead)
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{
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Entry = List->CurrentEntry->Entry.Flink;
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if (ListUi->LastShown == &List->CurrentEntry->Entry)
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{
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ListUi->FirstShown = ListUi->FirstShown->Flink;
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ListUi->LastShown = ListUi->LastShown->Flink;
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}
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List->CurrentEntry = CONTAINING_RECORD(Entry, GENERIC_LIST_ENTRY, Entry);
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if (ListUi->Redraw)
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{
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DrawListEntries(ListUi);
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DrawScrollBarGenericList(ListUi);
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}
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}
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}
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VOID
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ScrollUpGenericList(
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IN PGENERIC_LIST_UI ListUi)
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{
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PGENERIC_LIST List = ListUi->List;
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PLIST_ENTRY Entry;
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if (List->CurrentEntry == NULL)
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return;
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if (List->CurrentEntry->Entry.Blink != &List->ListHead)
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{
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Entry = List->CurrentEntry->Entry.Blink;
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if (ListUi->FirstShown == &List->CurrentEntry->Entry)
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{
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ListUi->FirstShown = ListUi->FirstShown->Blink;
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ListUi->LastShown = ListUi->LastShown->Blink;
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}
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List->CurrentEntry = CONTAINING_RECORD(Entry, GENERIC_LIST_ENTRY, Entry);
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if (ListUi->Redraw)
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{
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DrawListEntries(ListUi);
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DrawScrollBarGenericList(ListUi);
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}
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}
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}
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VOID
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ScrollPageDownGenericList(
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IN PGENERIC_LIST_UI ListUi)
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{
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SHORT i;
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/* Suspend auto-redraw */
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ListUi->Redraw = FALSE;
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for (i = ListUi->Top + 1; i < ListUi->Bottom - 1; i++)
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{
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ScrollDownGenericList(ListUi);
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}
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/* Update user interface */
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DrawListEntries(ListUi);
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DrawScrollBarGenericList(ListUi);
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/* Re enable auto-redraw */
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ListUi->Redraw = TRUE;
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}
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VOID
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ScrollPageUpGenericList(
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IN PGENERIC_LIST_UI ListUi)
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{
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SHORT i;
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/* Suspend auto-redraw */
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ListUi->Redraw = FALSE;
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for (i = ListUi->Bottom - 1; i > ListUi->Top + 1; i--)
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{
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ScrollUpGenericList(ListUi);
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}
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/* Update user interface */
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DrawListEntries(ListUi);
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DrawScrollBarGenericList(ListUi);
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/* Re enable auto-redraw */
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ListUi->Redraw = TRUE;
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}
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VOID
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ScrollToPositionGenericList(
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IN PGENERIC_LIST_UI ListUi,
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IN ULONG uIndex)
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{
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PGENERIC_LIST List = ListUi->List;
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PLIST_ENTRY Entry;
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ULONG uCount = 0;
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if (List->CurrentEntry == NULL || uIndex == 0)
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return;
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do
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{
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if (List->CurrentEntry->Entry.Flink != &List->ListHead)
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{
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Entry = List->CurrentEntry->Entry.Flink;
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if (ListUi->LastShown == &List->CurrentEntry->Entry)
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{
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ListUi->FirstShown = ListUi->FirstShown->Flink;
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ListUi->LastShown = ListUi->LastShown->Flink;
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}
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List->CurrentEntry = CONTAINING_RECORD(Entry, GENERIC_LIST_ENTRY, Entry);
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}
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uCount++;
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}
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while (uIndex != uCount);
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if (ListUi->Redraw)
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{
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DrawListEntries(ListUi);
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DrawScrollBarGenericList(ListUi);
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}
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}
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VOID
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RedrawGenericList(
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IN PGENERIC_LIST_UI ListUi)
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{
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if (ListUi->List->CurrentEntry == NULL)
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return;
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if (ListUi->Redraw)
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{
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DrawListEntries(ListUi);
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DrawScrollBarGenericList(ListUi);
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}
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}
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VOID
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GenericListKeyPress(
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IN PGENERIC_LIST_UI ListUi,
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IN CHAR AsciiChar)
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{
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PGENERIC_LIST List = ListUi->List;
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PGENERIC_LIST_ENTRY ListEntry;
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PGENERIC_LIST_ENTRY OldListEntry;
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BOOLEAN Flag = FALSE;
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ListEntry = List->CurrentEntry;
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OldListEntry = List->CurrentEntry;
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ListUi->Redraw = FALSE;
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ListUi->CurrentItemText[0] = ANSI_NULL;
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if (ListUi->GetEntryDescriptionProc)
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{
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ListUi->GetEntryDescriptionProc(ListEntry,
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ListUi->CurrentItemText,
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ARRAYSIZE(ListUi->CurrentItemText));
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}
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if ((strlen(ListUi->CurrentItemText) > 0) && (tolower(ListUi->CurrentItemText[0]) == AsciiChar) &&
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(List->CurrentEntry->Entry.Flink != &List->ListHead))
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{
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ScrollDownGenericList(ListUi);
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ListEntry = List->CurrentEntry;
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ListUi->CurrentItemText[0] = ANSI_NULL;
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if (ListUi->GetEntryDescriptionProc)
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{
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ListUi->GetEntryDescriptionProc(ListEntry,
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ListUi->CurrentItemText,
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ARRAYSIZE(ListUi->CurrentItemText));
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}
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if ((strlen(ListUi->CurrentItemText) > 0) && (tolower(ListUi->CurrentItemText[0]) == AsciiChar))
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goto End;
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}
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while (List->CurrentEntry->Entry.Blink != &List->ListHead)
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ScrollUpGenericList(ListUi);
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ListEntry = List->CurrentEntry;
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for (;;)
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{
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ListUi->CurrentItemText[0] = ANSI_NULL;
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if (ListUi->GetEntryDescriptionProc)
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{
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ListUi->GetEntryDescriptionProc(ListEntry,
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ListUi->CurrentItemText,
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ARRAYSIZE(ListUi->CurrentItemText));
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}
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if ((strlen(ListUi->CurrentItemText) > 0) && (tolower(ListUi->CurrentItemText[0]) == AsciiChar))
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{
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Flag = TRUE;
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break;
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}
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if (List->CurrentEntry->Entry.Flink == &List->ListHead)
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break;
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ScrollDownGenericList(ListUi);
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ListEntry = List->CurrentEntry;
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}
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if (!Flag)
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{
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while (List->CurrentEntry->Entry.Blink != &List->ListHead)
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{
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if (List->CurrentEntry != OldListEntry)
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ScrollUpGenericList(ListUi);
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else
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break;
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}
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}
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End:
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|
DrawListEntries(ListUi);
|
|
DrawScrollBarGenericList(ListUi);
|
|
|
|
ListUi->Redraw = TRUE;
|
|
}
|
|
|
|
/* EOF */
|