scummvm/engines/wintermute/ui/ui_edit.cpp
2014-02-18 02:39:40 +01:00

953 lines
24 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/*
* This file is based on WME Lite.
* http://dead-code.org/redir.php?target=wmelite
* Copyright (c) 2011 Jan Nedoma
*/
#include "engines/wintermute/ui/ui_edit.h"
#include "engines/wintermute/ui/ui_object.h"
#include "engines/wintermute/ui/ui_tiled_image.h"
#include "engines/wintermute/utils/string_util.h"
#include "engines/wintermute/base/base_active_rect.h"
#include "engines/wintermute/base/base_file_manager.h"
#include "engines/wintermute/base/font/base_font.h"
#include "engines/wintermute/base/font/base_font_storage.h"
#include "engines/wintermute/base/base_keyboard_state.h"
#include "engines/wintermute/base/base_dynamic_buffer.h"
#include "engines/wintermute/base/base_parser.h"
#include "engines/wintermute/base/base_sprite.h"
#include "engines/wintermute/base/base_string_table.h"
#include "engines/wintermute/base/base_game.h"
#include "engines/wintermute/base/gfx/base_renderer.h"
#include "engines/wintermute/base/scriptables/script_value.h"
#include "engines/wintermute/base/scriptables/script_stack.h"
#include "engines/wintermute/base/scriptables/script.h"
#include "engines/wintermute/utils/utils.h"
#include "common/util.h"
#include "common/keyboard.h"
namespace Wintermute {
IMPLEMENT_PERSISTENT(UIEdit, false)
//////////////////////////////////////////////////////////////////////////
UIEdit::UIEdit(BaseGame *inGame) : UIObject(inGame) {
_type = UI_EDIT;
_fontSelected = nullptr;
_selStart = _selEnd = 10000;
_scrollOffset = 0;
_cursorChar = nullptr;
setCursorChar("|");
_cursorBlinkRate = 600;
_frameWidth = 0;
setText("");
_lastBlinkTime = 0;
_cursorVisible = true;
_maxLength = -1;
_canFocus = true;
}
//////////////////////////////////////////////////////////////////////////
UIEdit::~UIEdit() {
if (!_sharedFonts) {
if (_fontSelected) {
_gameRef->_fontStorage->removeFont(_fontSelected);
}
}
delete[] _cursorChar;
_cursorChar = nullptr;
}
//////////////////////////////////////////////////////////////////////////
bool UIEdit::loadFile(const char *filename) {
char *buffer = (char *)BaseFileManager::getEngineInstance()->readWholeFile(filename);
if (buffer == nullptr) {
_gameRef->LOG(0, "UIEdit::LoadFile failed for file '%s'", filename);
return STATUS_FAILED;
}
bool ret;
setFilename(filename);
if (DID_FAIL(ret = loadBuffer(buffer, true))) {
_gameRef->LOG(0, "Error parsing EDIT file '%s'", filename);
}
delete[] buffer;
return ret;
}
TOKEN_DEF_START
TOKEN_DEF(TEMPLATE)
TOKEN_DEF(DISABLED)
TOKEN_DEF(VISIBLE)
TOKEN_DEF(BACK)
TOKEN_DEF(IMAGE)
TOKEN_DEF(FONT_SELECTED)
TOKEN_DEF(FONT)
TOKEN_DEF(TEXT)
TOKEN_DEF(X)
TOKEN_DEF(Y)
TOKEN_DEF(WIDTH)
TOKEN_DEF(HEIGHT)
TOKEN_DEF(CURSOR_BLINK_RATE)
TOKEN_DEF(CURSOR)
TOKEN_DEF(FRAME_WIDTH)
TOKEN_DEF(NAME)
TOKEN_DEF(SCRIPT)
TOKEN_DEF(PARENT_NOTIFY)
TOKEN_DEF(MAX_LENGTH)
TOKEN_DEF(EDITOR_PROPERTY)
TOKEN_DEF(EDIT)
TOKEN_DEF(CAPTION)
TOKEN_DEF_END
//////////////////////////////////////////////////////////////////////////
bool UIEdit::loadBuffer(char *buffer, bool complete) {
TOKEN_TABLE_START(commands)
TOKEN_TABLE(TEMPLATE)
TOKEN_TABLE(DISABLED)
TOKEN_TABLE(VISIBLE)
TOKEN_TABLE(BACK)
TOKEN_TABLE(IMAGE)
TOKEN_TABLE(FONT_SELECTED)
TOKEN_TABLE(FONT)
TOKEN_TABLE(TEXT)
TOKEN_TABLE(X)
TOKEN_TABLE(Y)
TOKEN_TABLE(WIDTH)
TOKEN_TABLE(HEIGHT)
TOKEN_TABLE(CURSOR_BLINK_RATE)
TOKEN_TABLE(CURSOR)
TOKEN_TABLE(FRAME_WIDTH)
TOKEN_TABLE(NAME)
TOKEN_TABLE(SCRIPT)
TOKEN_TABLE(PARENT_NOTIFY)
TOKEN_TABLE(MAX_LENGTH)
TOKEN_TABLE(EDITOR_PROPERTY)
TOKEN_TABLE(EDIT)
TOKEN_TABLE(CAPTION)
TOKEN_TABLE_END
char *params;
int cmd = 2;
BaseParser parser;
if (complete) {
if (parser.getCommand(&buffer, commands, &params) != TOKEN_EDIT) {
_gameRef->LOG(0, "'EDIT' keyword expected.");
return STATUS_FAILED;
}
buffer = params;
}
while (cmd > 0 && (cmd = parser.getCommand(&buffer, commands, &params)) > 0) {
switch (cmd) {
case TOKEN_TEMPLATE:
if (DID_FAIL(loadFile(params))) {
cmd = PARSERR_GENERIC;
}
break;
case TOKEN_NAME:
setName(params);
break;
case TOKEN_BACK:
delete _back;
_back = new UITiledImage(_gameRef);
if (!_back || DID_FAIL(_back->loadFile(params))) {
delete _back;
_back = nullptr;
cmd = PARSERR_GENERIC;
}
break;
case TOKEN_IMAGE:
delete _image;
_image = new BaseSprite(_gameRef);
if (!_image || DID_FAIL(_image->loadFile(params))) {
delete _image;
_image = nullptr;
cmd = PARSERR_GENERIC;
}
break;
case TOKEN_FONT:
if (_font) {
_gameRef->_fontStorage->removeFont(_font);
}
_font = _gameRef->_fontStorage->addFont(params);
if (!_font) {
cmd = PARSERR_GENERIC;
}
break;
case TOKEN_FONT_SELECTED:
if (_fontSelected) {
_gameRef->_fontStorage->removeFont(_fontSelected);
}
_fontSelected = _gameRef->_fontStorage->addFont(params);
if (!_fontSelected) {
cmd = PARSERR_GENERIC;
}
break;
case TOKEN_TEXT:
setText(params);
_gameRef->expandStringByStringTable(&_text);
break;
case TOKEN_X:
parser.scanStr(params, "%d", &_posX);
break;
case TOKEN_Y:
parser.scanStr(params, "%d", &_posY);
break;
case TOKEN_WIDTH:
parser.scanStr(params, "%d", &_width);
break;
case TOKEN_HEIGHT:
parser.scanStr(params, "%d", &_height);
break;
case TOKEN_MAX_LENGTH:
parser.scanStr(params, "%d", &_maxLength);
break;
case TOKEN_CAPTION:
setCaption(params);
break;
case TOKEN_CURSOR:
delete _cursor;
_cursor = new BaseSprite(_gameRef);
if (!_cursor || DID_FAIL(_cursor->loadFile(params))) {
delete _cursor;
_cursor = nullptr;
cmd = PARSERR_GENERIC;
}
break;
case TOKEN_CURSOR_BLINK_RATE:
parser.scanStr(params, "%d", &_cursorBlinkRate);
break;
case TOKEN_FRAME_WIDTH:
parser.scanStr(params, "%d", &_frameWidth);
break;
case TOKEN_SCRIPT:
addScript(params);
break;
case TOKEN_PARENT_NOTIFY:
parser.scanStr(params, "%b", &_parentNotify);
break;
case TOKEN_DISABLED:
parser.scanStr(params, "%b", &_disable);
break;
case TOKEN_VISIBLE:
parser.scanStr(params, "%b", &_visible);
break;
case TOKEN_EDITOR_PROPERTY:
parseEditorProperty(params, false);
break;
}
}
if (cmd == PARSERR_TOKENNOTFOUND) {
_gameRef->LOG(0, "Syntax error in EDIT definition");
return STATUS_FAILED;
}
if (cmd == PARSERR_GENERIC) {
_gameRef->LOG(0, "Error loading EDIT definition");
return STATUS_FAILED;
}
correctSize();
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
bool UIEdit::saveAsText(BaseDynamicBuffer *buffer, int indent) {
buffer->putTextIndent(indent, "EDIT\n");
buffer->putTextIndent(indent, "{\n");
buffer->putTextIndent(indent + 2, "NAME=\"%s\"\n", getName());
buffer->putTextIndent(indent + 2, "CAPTION=\"%s\"\n", getCaption());
buffer->putTextIndent(indent + 2, "\n");
if (_back && _back->getFilename()) {
buffer->putTextIndent(indent + 2, "BACK=\"%s\"\n", _back->getFilename());
}
if (_image && _image->getFilename()) {
buffer->putTextIndent(indent + 2, "IMAGE=\"%s\"\n", _image->getFilename());
}
if (_font && _font->getFilename()) {
buffer->putTextIndent(indent + 2, "FONT=\"%s\"\n", _font->getFilename());
}
if (_fontSelected && _fontSelected->getFilename()) {
buffer->putTextIndent(indent + 2, "FONT_SELECTED=\"%s\"\n", _fontSelected->getFilename());
}
if (_cursor && _cursor->getFilename()) {
buffer->putTextIndent(indent + 2, "CURSOR=\"%s\"\n", _cursor->getFilename());
}
buffer->putTextIndent(indent + 2, "\n");
if (_text) {
buffer->putTextIndent(indent + 2, "TEXT=\"%s\"\n", _text);
}
buffer->putTextIndent(indent + 2, "\n");
buffer->putTextIndent(indent + 2, "X=%d\n", _posX);
buffer->putTextIndent(indent + 2, "Y=%d\n", _posY);
buffer->putTextIndent(indent + 2, "WIDTH=%d\n", _width);
buffer->putTextIndent(indent + 2, "HEIGHT=%d\n", _height);
buffer->putTextIndent(indent + 2, "MAX_LENGTH=%d\n", _maxLength);
buffer->putTextIndent(indent + 2, "CURSOR_BLINK_RATE=%d\n", _cursorBlinkRate);
buffer->putTextIndent(indent + 2, "FRAME_WIDTH=%d\n", _frameWidth);
buffer->putTextIndent(indent + 2, "DISABLED=%s\n", _disable ? "TRUE" : "FALSE");
buffer->putTextIndent(indent + 2, "VISIBLE=%s\n", _visible ? "TRUE" : "FALSE");
buffer->putTextIndent(indent + 2, "PARENT_NOTIFY=%s\n", _parentNotify ? "TRUE" : "FALSE");
// scripts
for (uint32 i = 0; i < _scripts.size(); i++) {
buffer->putTextIndent(indent + 2, "SCRIPT=\"%s\"\n", _scripts[i]->_filename);
}
buffer->putTextIndent(indent + 2, "\n");
// editor properties
BaseClass::saveAsText(buffer, indent + 2);
buffer->putTextIndent(indent, "}\n");
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
// high level scripting interface
//////////////////////////////////////////////////////////////////////////
bool UIEdit::scCallMethod(ScScript *script, ScStack *stack, ScStack *thisStack, const char *name) {
//////////////////////////////////////////////////////////////////////////
// SetSelectedFont
//////////////////////////////////////////////////////////////////////////
if (strcmp(name, "SetSelectedFont") == 0) {
stack->correctParams(1);
if (_fontSelected) {
_gameRef->_fontStorage->removeFont(_fontSelected);
}
_fontSelected = _gameRef->_fontStorage->addFont(stack->pop()->getString());
stack->pushBool(_fontSelected != nullptr);
return STATUS_OK;
} else {
return UIObject::scCallMethod(script, stack, thisStack, name);
}
}
//////////////////////////////////////////////////////////////////////////
ScValue *UIEdit::scGetProperty(const Common::String &name) {
_scValue->setNULL();
//////////////////////////////////////////////////////////////////////////
// Type
//////////////////////////////////////////////////////////////////////////
if (name == "Type") {
_scValue->setString("editor");
return _scValue;
}
//////////////////////////////////////////////////////////////////////////
// SelStart
//////////////////////////////////////////////////////////////////////////
else if (name == "SelStart") {
_scValue->setInt(_selStart);
return _scValue;
}
//////////////////////////////////////////////////////////////////////////
// SelEnd
//////////////////////////////////////////////////////////////////////////
else if (name == "SelEnd") {
_scValue->setInt(_selEnd);
return _scValue;
}
//////////////////////////////////////////////////////////////////////////
// CursorBlinkRate
//////////////////////////////////////////////////////////////////////////
else if (name == "CursorBlinkRate") {
_scValue->setInt(_cursorBlinkRate);
return _scValue;
}
//////////////////////////////////////////////////////////////////////////
// CursorChar
//////////////////////////////////////////////////////////////////////////
else if (name == "CursorChar") {
_scValue->setString(_cursorChar);
return _scValue;
}
//////////////////////////////////////////////////////////////////////////
// FrameWidth
//////////////////////////////////////////////////////////////////////////
else if (name == "FrameWidth") {
_scValue->setInt(_frameWidth);
return _scValue;
}
//////////////////////////////////////////////////////////////////////////
// MaxLength
//////////////////////////////////////////////////////////////////////////
else if (name == "MaxLength") {
_scValue->setInt(_maxLength);
return _scValue;
}
//////////////////////////////////////////////////////////////////////////
// Text
//////////////////////////////////////////////////////////////////////////
else if (name == "Text") {
if (_gameRef->_textEncoding == TEXT_UTF8) {
WideString wstr = StringUtil::ansiToWide(_text);
_scValue->setString(StringUtil::wideToUtf8(wstr).c_str());
} else {
_scValue->setString(_text);
}
return _scValue;
} else {
return UIObject::scGetProperty(name);
}
}
//////////////////////////////////////////////////////////////////////////
bool UIEdit::scSetProperty(const char *name, ScValue *value) {
//////////////////////////////////////////////////////////////////////////
// SelStart
//////////////////////////////////////////////////////////////////////////
if (strcmp(name, "SelStart") == 0) {
_selStart = value->getInt();
_selStart = MAX<int32>(_selStart, 0);
_selStart = (int)MIN((size_t)_selStart, strlen(_text));
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
// SelEnd
//////////////////////////////////////////////////////////////////////////
else if (strcmp(name, "SelEnd") == 0) {
_selEnd = value->getInt();
_selEnd = MAX<int32>(_selEnd, 0);
_selEnd = (int)MIN((size_t)_selEnd, strlen(_text));
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
// CursorBlinkRate
//////////////////////////////////////////////////////////////////////////
else if (strcmp(name, "CursorBlinkRate") == 0) {
_cursorBlinkRate = (uint32)value->getInt();
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
// CursorChar
//////////////////////////////////////////////////////////////////////////
else if (strcmp(name, "CursorChar") == 0) {
setCursorChar(value->getString());
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
// FrameWidth
//////////////////////////////////////////////////////////////////////////
else if (strcmp(name, "FrameWidth") == 0) {
_frameWidth = value->getInt();
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
// MaxLength
//////////////////////////////////////////////////////////////////////////
else if (strcmp(name, "MaxLength") == 0) {
_maxLength = value->getInt();
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
// Text
//////////////////////////////////////////////////////////////////////////
else if (strcmp(name, "Text") == 0) {
if (_gameRef->_textEncoding == TEXT_UTF8) {
WideString wstr = StringUtil::utf8ToWide(value->getString());
setText(StringUtil::wideToAnsi(wstr).c_str());
} else {
setText(value->getString());
}
return STATUS_OK;
} else {
return UIObject::scSetProperty(name, value);
}
}
//////////////////////////////////////////////////////////////////////////
const char *UIEdit::scToString() {
return "[edit]";
}
//////////////////////////////////////////////////////////////////////////
void UIEdit::setCursorChar(const char *character) {
if (!character) {
return;
}
delete[] _cursorChar;
_cursorChar = new char [strlen(character) + 1];
if (_cursorChar) {
strcpy(_cursorChar, character);
}
}
//////////////////////////////////////////////////////////////////////////
bool UIEdit::display(int offsetX, int offsetY) {
if (!_visible) {
return STATUS_OK;
}
// hack!
TTextEncoding OrigEncoding = _gameRef->_textEncoding;
_gameRef->_textEncoding = TEXT_ANSI;
if (_back) {
_back->display(offsetX + _posX, offsetY + _posY, _width, _height);
}
if (_image) {
_image->draw(offsetX + _posX, offsetY + _posY, nullptr);
}
// prepare fonts
BaseFont *font;
BaseFont *sfont;
if (_font) {
font = _font;
} else {
font = _gameRef->getSystemFont();
}
if (_fontSelected) {
sfont = _fontSelected;
} else {
sfont = font;
}
bool focused = isFocused();
_selStart = MAX<int32>(_selStart, 0);
_selEnd = MAX<int32>(_selEnd, 0);
_selStart = (int)MIN((size_t)_selStart, strlen(_text));
_selEnd = (int)MIN((size_t)_selEnd, strlen(_text));
//int CursorWidth = font->GetCharWidth(_cursorChar[0]);
int cursorWidth = font->getTextWidth((byte *)_cursorChar);
int32 s1, s2;
bool curFirst;
// modify scroll offset
if (_selStart >= _selEnd) {
while (font->getTextWidth((byte *)_text + _scrollOffset, MAX<int32>(0, _selEnd - _scrollOffset)) > _width - cursorWidth - 2 * _frameWidth) {
_scrollOffset++;
if (_scrollOffset >= (int)strlen(_text)) {
break;
}
}
_scrollOffset = MIN(_scrollOffset, _selEnd);
s1 = _selEnd;
s2 = _selStart;
curFirst = true;
} else {
while (font->getTextWidth((byte *)_text + _scrollOffset, MAX<int32>(0, _selStart - _scrollOffset)) +
sfont->getTextWidth((byte *)(_text + MAX<int32>(_scrollOffset, _selStart)), _selEnd - MAX(_scrollOffset, _selStart))
> _width - cursorWidth - 2 * _frameWidth) {
_scrollOffset++;
if (_scrollOffset >= (int)strlen(_text)) {
break;
}
}
_scrollOffset = MIN(_scrollOffset, _selEnd);
s1 = _selStart;
s2 = _selEnd;
curFirst = false;
}
int alignOffset = 0;
for (int count = 0; count < 2; count++) {
// draw text
int xxx, yyy, width, height;
xxx = _posX + _frameWidth + offsetX;
yyy = _posY + _frameWidth + offsetY;
width = _posX + _width + offsetX - _frameWidth;
height = MAX(font->getLetterHeight(), sfont->getLetterHeight());
if (_gameRef->_textRTL) {
xxx += alignOffset;
}
TTextAlign align = TAL_LEFT;
// unselected 1
if (s1 > _scrollOffset) {
if (count) {
font->drawText((byte *)_text + _scrollOffset, xxx, yyy, width - xxx, align, height, s1 - _scrollOffset);
}
xxx += font->getTextWidth((byte *)_text + _scrollOffset, s1 - _scrollOffset);
alignOffset += font->getTextWidth((byte *)_text + _scrollOffset, s1 - _scrollOffset);
}
// cursor
if (focused && curFirst) {
if (count) {
if (g_system->getMillis() - _lastBlinkTime >= _cursorBlinkRate) {
_lastBlinkTime = g_system->getMillis();
_cursorVisible = !_cursorVisible;
}
if (_cursorVisible) {
font->drawText((byte *)_cursorChar, xxx, yyy, width - xxx, align, height, 1);
}
}
xxx += cursorWidth;
alignOffset += cursorWidth;
}
// selected
int s3 = MAX(s1, _scrollOffset);
if (s2 - s3 > 0) {
if (count) {
sfont->drawText((byte *)_text + s3, xxx, yyy, width - xxx, align, height, s2 - s3);
}
xxx += sfont->getTextWidth((byte *)_text + s3, s2 - s3);
alignOffset += sfont->getTextWidth((byte *)_text + s3, s2 - s3);
}
// cursor
if (focused && !curFirst) {
if (count) {
if (g_system->getMillis() - _lastBlinkTime >= _cursorBlinkRate) {
_lastBlinkTime = g_system->getMillis();
_cursorVisible = !_cursorVisible;
}
if (_cursorVisible) {
font->drawText((byte *)_cursorChar, xxx, yyy, width - xxx, align, height, 1);
}
}
xxx += cursorWidth;
alignOffset += cursorWidth;
}
// unselected 2
if (count) {
font->drawText((byte *)_text + s2, xxx, yyy, width - xxx, align, height);
}
alignOffset += font->getTextWidth((byte *)_text + s2);
alignOffset = (_width - 2 * _frameWidth) - alignOffset;
if (alignOffset < 0) {
alignOffset = 0;
}
}
_gameRef->_renderer->addRectToList(new BaseActiveRect(_gameRef, this, nullptr, offsetX + _posX, offsetY + _posY, _width, _height, 100, 100, false));
_gameRef->_textEncoding = OrigEncoding;
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
bool UIEdit::handleKeypress(Common::Event *event, bool printable) {
bool handled = false;
if (event->type == Common::EVENT_KEYDOWN && !printable) {
switch (event->kbd.keycode) {
case Common::KEYCODE_ESCAPE:
case Common::KEYCODE_TAB:
case Common::KEYCODE_RETURN:
return false;
// ctrl+A
case Common::KEYCODE_a:
if (BaseKeyboardState::isControlDown()) {
_selStart = 0;
_selEnd = strlen(_text);
handled = true;
}
break;
case Common::KEYCODE_BACKSPACE:
if (_selStart == _selEnd) {
if (_gameRef->_textRTL) {
deleteChars(_selStart, _selStart + 1);
} else {
deleteChars(_selStart - 1, _selStart);
}
} else {
deleteChars(_selStart, _selEnd);
}
if (_selEnd >= _selStart) {
_selEnd -= MAX<int32>(1, _selEnd - _selStart);
}
_selStart = _selEnd;
handled = true;
break;
case Common::KEYCODE_LEFT:
case Common::KEYCODE_UP:
_selEnd--;
if (!BaseKeyboardState::isShiftDown()) {
_selStart = _selEnd;
}
handled = true;
break;
case Common::KEYCODE_RIGHT:
case Common::KEYCODE_DOWN:
_selEnd++;
if (!BaseKeyboardState::isShiftDown()) {
_selStart = _selEnd;
}
handled = true;
break;
case Common::KEYCODE_HOME:
if (_gameRef->_textRTL) {
_selEnd = strlen(_text);
if (!BaseKeyboardState::isShiftDown()) {
_selStart = _selEnd;
}
} else {
_selEnd = 0;
if (!BaseKeyboardState::isShiftDown()) {
_selStart = _selEnd;
}
}
handled = true;
break;
case Common::KEYCODE_END:
if (_gameRef->_textRTL) {
_selEnd = 0;
if (!BaseKeyboardState::isShiftDown()) {
_selStart = _selEnd;
}
} else {
_selEnd = strlen(_text);
if (!BaseKeyboardState::isShiftDown()) {
_selStart = _selEnd;
}
}
handled = true;
break;
case Common::KEYCODE_DELETE:
if (_selStart == _selEnd) {
if (_gameRef->_textRTL) {
deleteChars(_selStart - 1, _selStart);
_selEnd--;
if (_selEnd < 0) {
_selEnd = 0;
}
} else {
deleteChars(_selStart, _selStart + 1);
}
} else {
deleteChars(_selStart, _selEnd);
}
if (_selEnd > _selStart) {
_selEnd -= (_selEnd - _selStart);
}
_selStart = _selEnd;
handled = true;
break;
default:
break;
}
return handled;
} else if (event->type == Common::EVENT_KEYDOWN && printable) {
if (_selStart != _selEnd) {
deleteChars(_selStart, _selEnd);
}
//WideString wstr = StringUtil::Utf8ToWide(event->kbd.ascii);
WideString wstr;
wstr += (char)event->kbd.ascii;
_selEnd += insertChars(_selEnd, (const byte *)StringUtil::wideToAnsi(wstr).c_str(), 1);
if (_gameRef->_textRTL) {
_selEnd = _selStart;
} else {
_selStart = _selEnd;
}
return true;
}
return false;
}
//////////////////////////////////////////////////////////////////////////
int UIEdit::deleteChars(int start, int end) {
if (start > end) {
BaseUtils::swap(&start, &end);
}
start = MAX(start, (int)0);
end = MIN((size_t)end, strlen(_text));
char *str = new char[strlen(_text) - (end - start) + 1];
if (str) {
if (start > 0) {
memcpy(str, _text, start);
}
memcpy(str + MAX(0, start), _text + end, strlen(_text) - end + 1);
delete[] _text;
_text = str;
}
if (_parentNotify && _parent) {
_parent->applyEvent(getName());
}
return end - start;
}
//////////////////////////////////////////////////////////////////////////
int UIEdit::insertChars(int pos, const byte *chars, int num) {
if ((int)strlen(_text) + num > _maxLength) {
num -= (strlen(_text) + num - _maxLength);
}
pos = MAX(pos, (int)0);
pos = MIN((size_t)pos, strlen(_text));
char *str = new char[strlen(_text) + num + 1];
if (str) {
if (pos > 0) {
memcpy(str, _text, pos);
}
memcpy(str + pos + num, _text + pos, strlen(_text) - pos + 1);
memcpy(str + pos, chars, num);
delete[] _text;
_text = str;
}
if (_parentNotify && _parent) {
_parent->applyEvent(getName());
}
return num;
}
//////////////////////////////////////////////////////////////////////////
bool UIEdit::persist(BasePersistenceManager *persistMgr) {
UIObject::persist(persistMgr);
persistMgr->transferUint32(TMEMBER(_cursorBlinkRate));
persistMgr->transferCharPtr(TMEMBER(_cursorChar));
persistMgr->transferPtr(TMEMBER_PTR(_fontSelected));
persistMgr->transferSint32(TMEMBER(_frameWidth));
persistMgr->transferSint32(TMEMBER(_maxLength));
persistMgr->transferSint32(TMEMBER(_scrollOffset));
persistMgr->transferSint32(TMEMBER(_selEnd));
persistMgr->transferSint32(TMEMBER(_selStart));
if (!persistMgr->getIsSaving()) {
_cursorVisible = false;
_lastBlinkTime = 0;
}
return STATUS_OK;
}
} // End of namespace Wintermute