scummvm/engines/wintermute/ui/ui_text.cpp
2012-08-13 03:42:30 +02:00

523 lines
14 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/base/base_dynamic_buffer.h"
#include "engines/wintermute/ui/ui_text.h"
#include "engines/wintermute/ui/ui_tiled_image.h"
#include "engines/wintermute/base/base_game.h"
#include "engines/wintermute/base/base_parser.h"
#include "engines/wintermute/base/scriptables/script_value.h"
#include "engines/wintermute/base/font/base_font.h"
#include "engines/wintermute/base/font/base_font_storage.h"
#include "engines/wintermute/base/base_string_table.h"
#include "engines/wintermute/base/scriptables/script.h"
#include "engines/wintermute/base/scriptables/script_stack.h"
#include "engines/wintermute/base/base_sprite.h"
#include "engines/wintermute/base/base_file_manager.h"
#include "engines/wintermute/platform_osystem.h"
namespace Wintermute {
IMPLEMENT_PERSISTENT(UIText, false)
//////////////////////////////////////////////////////////////////////////
UIText::UIText(BaseGame *inGame) : UIObject(inGame) {
_textAlign = TAL_LEFT;
_verticalAlign = VAL_CENTER;
_type = UI_STATIC;
_canFocus = false;
}
//////////////////////////////////////////////////////////////////////////
UIText::~UIText() {
}
//////////////////////////////////////////////////////////////////////////
bool UIText::display(int offsetX, int offsetY) {
if (!_visible) {
return STATUS_OK;
}
BaseFont *font = _font;
if (!font) {
font = _gameRef->_systemFont;
}
if (_back) {
_back->display(offsetX + _posX, offsetY + _posY, _width, _height);
}
if (_image) {
_image->draw(offsetX + _posX, offsetY + _posY, NULL);
}
if (font && _text) {
int textOffset;
switch (_verticalAlign) {
case VAL_TOP:
textOffset = 0;
break;
case VAL_BOTTOM:
textOffset = _height - font->getTextHeight((byte *)_text, _width);
break;
default:
textOffset = (_height - font->getTextHeight((byte *)_text, _width)) / 2;
}
font->drawText((byte *)_text, offsetX + _posX, offsetY + _posY + textOffset, _width, _textAlign, _height);
}
//_gameRef->_renderer->_rectList.add(new BaseActiveRect(_gameRef, this, NULL, OffsetX + _posX, OffsetY + _posY, _width, _height, 100, 100, false));
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
bool UIText::loadFile(const char *filename) {
byte *buffer = BaseFileManager::getEngineInstance()->readWholeFile(filename);
if (buffer == NULL) {
_gameRef->LOG(0, "UIText::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 STATIC file '%s'", filename);
}
delete[] buffer;
return ret;
}
TOKEN_DEF_START
TOKEN_DEF(STATIC)
TOKEN_DEF(TEMPLATE)
TOKEN_DEF(DISABLED)
TOKEN_DEF(VISIBLE)
TOKEN_DEF(BACK)
TOKEN_DEF(IMAGE)
TOKEN_DEF(FONT)
TOKEN_DEF(TEXT_ALIGN)
TOKEN_DEF(VERTICAL_ALIGN)
TOKEN_DEF(TEXT)
TOKEN_DEF(X)
TOKEN_DEF(Y)
TOKEN_DEF(WIDTH)
TOKEN_DEF(HEIGHT)
TOKEN_DEF(CURSOR)
TOKEN_DEF(NAME)
TOKEN_DEF(SCRIPT)
TOKEN_DEF(CAPTION)
TOKEN_DEF(PARENT_NOTIFY)
TOKEN_DEF(EDITOR_PROPERTY)
TOKEN_DEF_END
//////////////////////////////////////////////////////////////////////////
bool UIText::loadBuffer(byte *buffer, bool complete) {
TOKEN_TABLE_START(commands)
TOKEN_TABLE(STATIC)
TOKEN_TABLE(TEMPLATE)
TOKEN_TABLE(DISABLED)
TOKEN_TABLE(VISIBLE)
TOKEN_TABLE(BACK)
TOKEN_TABLE(IMAGE)
TOKEN_TABLE(FONT)
TOKEN_TABLE(TEXT_ALIGN)
TOKEN_TABLE(VERTICAL_ALIGN)
TOKEN_TABLE(TEXT)
TOKEN_TABLE(X)
TOKEN_TABLE(Y)
TOKEN_TABLE(WIDTH)
TOKEN_TABLE(HEIGHT)
TOKEN_TABLE(CURSOR)
TOKEN_TABLE(NAME)
TOKEN_TABLE(SCRIPT)
TOKEN_TABLE(CAPTION)
TOKEN_TABLE(PARENT_NOTIFY)
TOKEN_TABLE(EDITOR_PROPERTY)
TOKEN_TABLE_END
byte *params;
int cmd = 2;
BaseParser parser;
if (complete) {
if (parser.getCommand((char **)&buffer, commands, (char **)&params) != TOKEN_STATIC) {
_gameRef->LOG(0, "'STATIC' keyword expected.");
return STATUS_FAILED;
}
buffer = params;
}
while (cmd > 0 && (cmd = parser.getCommand((char **)&buffer, commands, (char **)&params)) > 0) {
switch (cmd) {
case TOKEN_TEMPLATE:
if (DID_FAIL(loadFile((char *)params))) {
cmd = PARSERR_GENERIC;
}
break;
case TOKEN_NAME:
setName((char *)params);
break;
case TOKEN_CAPTION:
setCaption((char *)params);
break;
case TOKEN_BACK:
delete _back;
_back = new UITiledImage(_gameRef);
if (!_back || DID_FAIL(_back->loadFile((char *)params))) {
delete _back;
_back = NULL;
cmd = PARSERR_GENERIC;
}
break;
case TOKEN_IMAGE:
delete _image;
_image = new BaseSprite(_gameRef);
if (!_image || DID_FAIL(_image->loadFile((char *)params))) {
delete _image;
_image = NULL;
cmd = PARSERR_GENERIC;
}
break;
case TOKEN_FONT:
if (_font) {
_gameRef->_fontStorage->removeFont(_font);
}
_font = _gameRef->_fontStorage->addFont((char *)params);
if (!_font) {
cmd = PARSERR_GENERIC;
}
break;
case TOKEN_TEXT:
setText((char *)params);
_gameRef->_stringTable->expand(&_text);
break;
case TOKEN_TEXT_ALIGN:
if (scumm_stricmp((char *)params, "left") == 0) {
_textAlign = TAL_LEFT;
} else if (scumm_stricmp((char *)params, "right") == 0) {
_textAlign = TAL_RIGHT;
} else {
_textAlign = TAL_CENTER;
}
break;
case TOKEN_VERTICAL_ALIGN:
if (scumm_stricmp((char *)params, "top") == 0) {
_verticalAlign = VAL_TOP;
} else if (scumm_stricmp((char *)params, "bottom") == 0) {
_verticalAlign = VAL_BOTTOM;
} else {
_verticalAlign = VAL_CENTER;
}
break;
case TOKEN_X:
parser.scanStr((char *)params, "%d", &_posX);
break;
case TOKEN_Y:
parser.scanStr((char *)params, "%d", &_posY);
break;
case TOKEN_WIDTH:
parser.scanStr((char *)params, "%d", &_width);
break;
case TOKEN_HEIGHT:
parser.scanStr((char *)params, "%d", &_height);
break;
case TOKEN_CURSOR:
delete _cursor;
_cursor = new BaseSprite(_gameRef);
if (!_cursor || DID_FAIL(_cursor->loadFile((char *)params))) {
delete _cursor;
_cursor = NULL;
cmd = PARSERR_GENERIC;
}
break;
case TOKEN_SCRIPT:
addScript((char *)params);
break;
case TOKEN_PARENT_NOTIFY:
parser.scanStr((char *)params, "%b", &_parentNotify);
break;
case TOKEN_DISABLED:
parser.scanStr((char *)params, "%b", &_disable);
break;
case TOKEN_VISIBLE:
parser.scanStr((char *)params, "%b", &_visible);
break;
case TOKEN_EDITOR_PROPERTY:
parseEditorProperty(params, false);
break;
}
}
if (cmd == PARSERR_TOKENNOTFOUND) {
_gameRef->LOG(0, "Syntax error in STATIC definition");
return STATUS_FAILED;
}
if (cmd == PARSERR_GENERIC) {
_gameRef->LOG(0, "Error loading STATIC definition");
return STATUS_FAILED;
}
correctSize();
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
bool UIText::saveAsText(BaseDynamicBuffer *buffer, int indent) {
buffer->putTextIndent(indent, "STATIC\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 (_cursor && _cursor->getFilename()) {
buffer->putTextIndent(indent + 2, "CURSOR=\"%s\"\n", _cursor->getFilename());
}
if (_text) {
buffer->putTextIndent(indent + 2, "TEXT=\"%s\"\n", _text);
}
switch (_textAlign) {
case TAL_LEFT:
buffer->putTextIndent(indent + 2, "TEXT_ALIGN=\"%s\"\n", "left");
break;
case TAL_RIGHT:
buffer->putTextIndent(indent + 2, "TEXT_ALIGN=\"%s\"\n", "right");
break;
case TAL_CENTER:
buffer->putTextIndent(indent + 2, "TEXT_ALIGN=\"%s\"\n", "center");
break;
default:
error("UIText::SaveAsText - Unhandled enum");
break;
}
switch (_verticalAlign) {
case VAL_TOP:
buffer->putTextIndent(indent + 2, "VERTICAL_ALIGN=\"%s\"\n", "top");
break;
case VAL_BOTTOM:
buffer->putTextIndent(indent + 2, "VERTICAL_ALIGN=\"%s\"\n", "bottom");
break;
case VAL_CENTER:
buffer->putTextIndent(indent + 2, "VERTICAL_ALIGN=\"%s\"\n", "center");
break;
default:
error("UIText::SaveAsText - Unhandled enum value: NUM_VERTICAL_ALIGN");
}
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, "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");
buffer->putTextIndent(indent + 2, "\n");
// scripts
for (int i = 0; i < _scripts.getSize(); 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 UIText::scCallMethod(ScScript *script, ScStack *stack, ScStack *thisStack, const char *name) {
//////////////////////////////////////////////////////////////////////////
// SizeToFit
//////////////////////////////////////////////////////////////////////////
if (strcmp(name, "SizeToFit") == 0) {
stack->correctParams(0);
sizeToFit();
stack->pushNULL();
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
// HeightToFit
//////////////////////////////////////////////////////////////////////////
else if (strcmp(name, "HeightToFit") == 0) {
stack->correctParams(0);
if (_font && _text) {
_height = _font->getTextHeight((byte *)_text, _width);
}
stack->pushNULL();
return STATUS_OK;
} else {
return UIObject::scCallMethod(script, stack, thisStack, name);
}
}
//////////////////////////////////////////////////////////////////////////
ScValue *UIText::scGetProperty(const char *name) {
_scValue->setNULL();
//////////////////////////////////////////////////////////////////////////
// Type
//////////////////////////////////////////////////////////////////////////
if (strcmp(name, "Type") == 0) {
_scValue->setString("static");
return _scValue;
}
//////////////////////////////////////////////////////////////////////////
// TextAlign
//////////////////////////////////////////////////////////////////////////
else if (strcmp(name, "TextAlign") == 0) {
_scValue->setInt(_textAlign);
return _scValue;
}
//////////////////////////////////////////////////////////////////////////
// VerticalAlign
//////////////////////////////////////////////////////////////////////////
else if (strcmp(name, "VerticalAlign") == 0) {
_scValue->setInt(_verticalAlign);
return _scValue;
} else {
return UIObject::scGetProperty(name);
}
}
//////////////////////////////////////////////////////////////////////////
bool UIText::scSetProperty(const char *name, ScValue *value) {
//////////////////////////////////////////////////////////////////////////
// TextAlign
//////////////////////////////////////////////////////////////////////////
if (strcmp(name, "TextAlign") == 0) {
int i = value->getInt();
if (i < 0 || i >= NUM_TEXT_ALIGN) {
i = 0;
}
_textAlign = (TTextAlign)i;
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
// VerticalAlign
//////////////////////////////////////////////////////////////////////////
else if (strcmp(name, "VerticalAlign") == 0) {
int i = value->getInt();
if (i < 0 || i >= NUM_VERTICAL_ALIGN) {
i = 0;
}
_verticalAlign = (TVerticalAlign)i;
return STATUS_OK;
} else {
return UIObject::scSetProperty(name, value);
}
}
//////////////////////////////////////////////////////////////////////////
const char *UIText::scToString() {
return "[static]";
}
//////////////////////////////////////////////////////////////////////////
bool UIText::persist(BasePersistenceManager *persistMgr) {
UIObject::persist(persistMgr);
persistMgr->transfer(TMEMBER_INT(_textAlign));
persistMgr->transfer(TMEMBER_INT(_verticalAlign));
return STATUS_OK;
}
//////////////////////////////////////////////////////////////////////////
bool UIText::sizeToFit() {
if (_font && _text) {
_width = _font->getTextWidth((byte *)_text);
_height = _font->getTextHeight((byte *)_text, _width);
}
return STATUS_OK;
}
} // end of namespace Wintermute