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561 lines
14 KiB
C++
561 lines
14 KiB
C++
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
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// Copyright (C) 2010 Winch Gate Property Limited
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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 Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef CL_GROUP_HTML_H
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#define CL_GROUP_HTML_H
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#define CURL_STATICLIB 1
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#include <curl/curl.h>
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#include "nel/misc/types_nl.h"
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#include "interface_group.h"
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#include "group_scrolltext.h"
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#include "group_tree.h"
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#include "ctrl_button.h"
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#include "group_table.h"
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extern "C"
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{
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#include "WWWInit.h"
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}
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class CGroupList;
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class CCtrlScroll;
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class CCtrlButton;
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class CDBGroupComboBox;
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class CGroupParagraph;
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// HTML group
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/**
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* Widget to have a resizable scrolltext and its scrollbar
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* \author Cyril 'Hulud' Corvazier
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* \author Nevrax France
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* \date 2002
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*/
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class CGroupHTML : public CGroupScrollText
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{
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public:
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friend void TextAdd (struct _HText *me, const char * buf, int len);
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friend void TextBeginElement (_HText *me, int element_number, const BOOL *present, const char ** value);
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friend void TextEndElement (_HText *me, int element_number);
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friend void TextLink (struct _HText *me, int element_number, int attribute_number, struct _HTChildAnchor *anchor, const BOOL *present, const char **value);
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friend void TextBuild (HText * me, HTextStatus status);
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friend void TextBeginUnparsedElement(HText *me, const char *buffer, int length);
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friend void TextEndUnparsedElement(HText *me, const char *buffer, int length);
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friend int requestTerminater (HTRequest * request, HTResponse * response, void * param, int status);
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// Constructor
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CGroupHTML(const TCtorParam ¶m);
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~CGroupHTML();
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// CInterfaceGroup Interface
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virtual bool parse (xmlNodePtr cur, CInterfaceGroup *parentGroup);
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virtual void draw ();
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// Events
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virtual bool handleEvent (const CEventDescriptor& eventDesc);
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// Browse
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virtual void browse (const char *url);
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// Refresh
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void refresh();
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// submit form
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void submitForm (uint formId, const char *submitButtonName);
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// Browse error
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void browseError (const char *msg);
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// stop browse
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void stopBrowse ();
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bool isBrowsing();
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void clean() { stopBrowse(); updateRefreshButton(); removeContent(); }
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// Update coords
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void updateCoords();
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// New paragraph
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void newParagraph(uint beginSpace);
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// End of the paragraph
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void endParagraph();
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// Timeout
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void setTimeout(float tm) {_TimeoutValue= std::max(0.f, tm);}
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float getTimeout() const {return (float)_TimeoutValue;}
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// Some constants
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NLMISC::CRGBA BgColor;
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NLMISC::CRGBA ErrorColor;
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NLMISC::CRGBA LinkColor;
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NLMISC::CRGBA TextColor;
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NLMISC::CRGBA H1Color;
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NLMISC::CRGBA H2Color;
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NLMISC::CRGBA H3Color;
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NLMISC::CRGBA H4Color;
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NLMISC::CRGBA H5Color;
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NLMISC::CRGBA H6Color;
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bool ErrorColorGlobalColor;
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bool LinkColorGlobalColor;
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bool TextColorGlobalColor;
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bool H1ColorGlobalColor;
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bool H2ColorGlobalColor;
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bool H3ColorGlobalColor;
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bool H4ColorGlobalColor;
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bool H5ColorGlobalColor;
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bool H6ColorGlobalColor;
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uint TextFontSize;
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uint H1FontSize;
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uint H2FontSize;
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uint H3FontSize;
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uint H4FontSize;
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uint H5FontSize;
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uint H6FontSize;
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uint TDBeginSpace;
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uint PBeginSpace;
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uint LIBeginSpace;
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uint ULBeginSpace;
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uint LIIndent;
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uint ULIndent;
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float LineSpaceFontFactor;
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std::string DefaultButtonGroup;
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std::string DefaultFormTextGroup;
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std::string DefaultFormTextAreaGroup;
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std::string DefaultFormSelectGroup;
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std::string DefaultCheckBoxBitmapNormal;
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std::string DefaultCheckBoxBitmapPushed;
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std::string DefaultCheckBoxBitmapOver;
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std::string DefaultBackgroundBitmapView;
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// Browser home
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std::string Home;
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// Undo browse: Browse the precedent url browsed. no op if none
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void browseUndo ();
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// Redo browse: Browse the precedent url undoed. no op if none
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void browseRedo ();
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// clear undo/redo
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void clearUndoRedo();
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std::string getURL() const { return _URL; }
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void setURL(const std::string &url);
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int luaBrowse(CLuaState &ls);
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int luaRefresh(CLuaState &ls);
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REFLECT_EXPORT_START(CGroupHTML, CGroupScrollText)
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REFLECT_LUA_METHOD("browse", luaBrowse)
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REFLECT_LUA_METHOD("refresh", luaRefresh)
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REFLECT_STRING("url", getURL, setURL)
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REFLECT_FLOAT("timeout", getTimeout, setTimeout)
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REFLECT_EXPORT_END
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protected :
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// \name callback from libwww
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// Begin of the parsing of a HTML document
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virtual void beginBuild ();
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// End of the parsing of a HTML document
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virtual void endBuild ();
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// A new text block has been parsed
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virtual void addText (const char * buf, int len);
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// A link has been parsed
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virtual void addLink (uint element_number, uint attribute_number, HTChildAnchor *anchor, const BOOL *present, const char **value);
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// A new begin HTML element has been parsed (<IMG> for exemple)
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virtual void beginElement (uint element_number, const BOOL *present, const char **value);
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// A new end HTML element has been parsed (</IMG> for exemple)
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virtual void endElement (uint element_number);
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// A new begin unparsed element has been found
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virtual void beginUnparsedElement(const char *buffer, int length);
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// A new end unparsed element has been found
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virtual void endUnparsedElement(const char *buffer, int length);
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// Add GET params to the url
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virtual void addHTTPGetParams (std::string &url);
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// Add POST params to the libwww list
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virtual void addHTTPPostParams (HTAssocList *formfields);
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// the current request is terminated
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virtual void requestTerminated(HTRequest *request);
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// Get Home URL
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virtual std::string home();
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// Handle some work at each pass
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virtual void handle ();
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// \name internal methods
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// Add a group in the current parent group
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void addGroup (CInterfaceGroup *group, uint beginSpace);
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// Get the current parent group
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CInterfaceGroup *getCurrentGroup();
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// Update current paragraph dependent data
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void paragraphChange ();
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// Clear the contexts info
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void clearContext();
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// Translate a char
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bool translateChar(ucchar &output, ucchar input, ucchar lastChar) const;
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// Add a string in the current paragraph
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void addString(const ucstring &str);
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// Add an image in the current paragraph
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void addImage(const char *image, bool globalColor);
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// Add a text area in the current paragraph
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CInterfaceGroup *addTextArea (const std::string &templateName, const char *name, uint rows, uint cols, bool multiLine, const ucstring &content);
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// Add a combo box in the current paragraph
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CDBGroupComboBox *addComboBox(const std::string &templateName, const char *name);
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// Add a button in the current paragraph. actionHandler, actionHandlerParams and tooltip can be NULL.
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CCtrlButton *addButton(CCtrlButton::EType type, const std::string &name, const std::string &normalBitmap, const std::string &pushedBitmap,
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const std::string &overBitmap, bool useGlobalColor, const char *actionHandler, const char *actionHandlerParams, const char *tooltip);
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// Set the background color
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void setBackgroundColor (const NLMISC::CRGBA &bgcolor);
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// Force the current string to be in a single string
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void flushString();
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// Set the title
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void setTitle (const ucstring &title);
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// Lookup a url in local file system
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bool lookupLocalFile (std::string &result, const char *url, bool isUrl);
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// Delete page content and prepare next page
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void removeContent ();
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// Current URL
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std::string _URL;
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// Title prefix
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ucstring _TitlePrefix;
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// Title string
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ucstring _TitleString;
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// Need to browse next update coords..
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bool _BrowseNextTime;
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bool _PostNextTime;
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uint _PostFormId;
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std::string _PostFormSubmitButton;
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// Browsing..
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bool _Browsing;
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bool _Connecting;
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double _TimeoutValue; // the timeout in seconds
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double _ConnectingTimeout;
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// minimal embeded lua script support
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// Note : any embeded script is executed immediately after the closing
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// element has been found
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// True when the <lua> element has been encountered
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bool _ParsingLua;
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// the script to execute
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std::string _LuaScript;
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// Someone is conecting. We got problem with libwww : 2 connection requests can deadlock the client.
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static CGroupHTML *_ConnectingLock;
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// LibWWW data
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class CLibWWWData *_LibWWW;
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// Current paragraph
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CGroupParagraph* _Paragraph;
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inline CGroupParagraph *getParagraph()
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{
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return _Paragraph;
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/*if (_Paragraph.empty())
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return NULL;
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return _Paragraph.back();*/
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}
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// PRE mode
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std::vector<bool> _PRE;
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inline bool getPRE() const
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{
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if (_PRE.empty())
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return false;
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return _PRE.back();
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}
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// UL mode
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std::vector<bool> _UL;
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inline bool getUL() const
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{
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if (_UL.empty())
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return false;
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return _UL.back();
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}
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// A mode
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std::vector<bool> _A;
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inline bool getA() const
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{
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if (_A.empty())
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return false;
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return _A.back();
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}
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// IL mode
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bool _LI;
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// Current text color
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std::vector<NLMISC::CRGBA> _TextColor;
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inline const NLMISC::CRGBA &getTextColor() const
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{
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if (_TextColor.empty())
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return TextColor;
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return _TextColor.back();
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}
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// Current global color flag
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std::vector<bool> _GlobalColor;
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inline bool getGlobalColor() const
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{
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if (_GlobalColor.empty())
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return false;
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return _GlobalColor.back();
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}
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// Current font size
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std::vector<uint> _FontSize;
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inline uint getFontSize() const
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{
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if (_FontSize.empty())
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return TextFontSize;
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return _FontSize.back();
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}
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// Current link
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std::vector<std::string> _Link;
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inline const char *getLink() const
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{
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if (_Link.empty())
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return "";
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return _Link.back().c_str();
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}
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// Tables
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std::vector<class CGroupTable*> _Tables;
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inline CGroupTable *getTable() const
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{
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if (_Tables.empty())
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return NULL;
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return _Tables.back();
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}
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// Cells
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std::vector<class CGroupCell*> _Cells;
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// TR
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std::vector<bool> _TR;
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inline bool getTR() const
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{
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if (_TR.empty())
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return false;
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return _TR.back();
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}
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// Forms
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class CForm
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{
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public:
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class CEntry
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{
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public:
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CEntry ()
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{
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TextArea = NULL;
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Checkbox = NULL;
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ComboBox = NULL;
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InitialSelection = 0;
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}
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// Variable name
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std::string Name;
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// Variable value
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ucstring Value;
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// Text area group
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CInterfaceGroup *TextArea;
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// Checkbox
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CCtrlButton *Checkbox;
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// Combobox group
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CDBGroupComboBox *ComboBox;
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// select values (for the <select> tag)
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std::vector<std::string> SelectValues;
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sint InitialSelection; // initial selection for the combo box
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};
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// The action the form has to perform
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std::string Action;
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// The text area associated with the form
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std::vector<CEntry> Entries;
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};
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std::vector<CForm> _Forms;
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// Cells parameters
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class CCellParams
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{
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public:
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CCellParams () : BgColor(0,0,0,0)
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{
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Align = CGroupCell::Left;
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VAlign = CGroupCell::Top;
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LeftMargin = 0;
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NoWrap = false;
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}
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NLMISC::CRGBA BgColor;
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CGroupCell::TAlign Align;
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CGroupCell::TVAlign VAlign;
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sint32 LeftMargin;
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bool NoWrap;
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};
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std::vector<CCellParams> _CellParams;
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// Indentation
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uint _Indent;
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// Current node is a title
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bool _Title;
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// Current node must be localized
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bool _Localize;
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// Current node is a text area
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bool _TextArea;
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std::string _TextAreaTemplate;
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ucstring _TextAreaContent;
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std::string _TextAreaName;
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uint _TextAreaRow;
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uint _TextAreaCols;
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// current mode is in select option
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bool _SelectOption;
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ucstring _SelectOptionStr;
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// Get last char
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ucchar getLastChar() const;
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// Current link view
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class CViewLink *_CurrentViewLink;
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class CViewBitmap *_CurrentViewImage;
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// Current group table
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class CGroupCell *_CurrentCell;
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// The main group
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class CGroupListAdaptor *_GroupListAdaptor;
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// For auto selecting the node in a BrowseTree bound to this HTML web page
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std::string _BrowseTree;
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// select the tree node that has the correct url
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const std::string &selectTreeNodeRecurs(CGroupTree::SNode *node, const std::string &url);
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// search if the action / params match the url. look recurs into procedures
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bool actionLaunchUrlRecurs(const std::string &ah, const std::string ¶ms, const std::string &url);
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// Browse undo and redo
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enum {MaxUrlUndoRedo= 256};
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std::string _BrowseUndoButton;
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std::string _BrowseRedoButton;
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std::string _BrowseRefreshButton;
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// _BrowseUrl is different from _URL, in that _URL may change in handle()
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std::string _AskedUrl;
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std::deque<std::string> _BrowseUndo;
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std::deque<std::string> _BrowseRedo;
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void pushUrlUndoRedo(const std::string &url);
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void doBrowse(const char *url);
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void updateUndoRedoButtons();
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void updateRefreshButton();
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// For Killing request. Associate each CGroupHTML object with a unique ID.
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uint32 _GroupHtmlUID;
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static uint32 _GroupHtmlUIDPool;
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typedef std::map<uint32, NLMISC::CRefPtr<CGroupHTML> > TGroupHtmlByUIDMap;
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static TGroupHtmlByUIDMap _GroupHtmlByUID;
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private:
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// decode all HTML entities
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static ucstring decodeHTMLEntities(const ucstring &str);
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// ImageDownload system
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struct CImageDownload
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{
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CImageDownload(CURL *c, const std::string &u, FILE *f, CViewBase *i) : curl(c), url(u), fp(f) { imgs.push_back(i); }
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CURL *curl;
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std::string url;
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FILE *fp;
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std::vector<CViewBase *> imgs;
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};
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std::vector<CImageDownload> Curls;
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CURLM *MultiCurl;
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int RunningCurls;
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void initImageDownload();
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void releaseImageDownload();
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void checkImageDownload();
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void addImageDownload(const std::string &url, CViewBase *img);
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std::string localImageName(const std::string &url);
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};
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// adapter group that store y offset for inputs inside an html form
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class CGroupHTMLInputOffset : public CInterfaceGroup
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{
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public:
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sint32 Offset;
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CGroupHTMLInputOffset(const TCtorParam ¶m);
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virtual bool parse (xmlNodePtr cur, CInterfaceGroup *parentGroup);
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};
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#endif
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