493 lines
17 KiB
C++
493 lines
17 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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#include "nel/gui/group_container.h"
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#include "nel/gui/group_header.h"
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#include "nel/gui/lua_ihm.h"
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#include "nel/gui/widget_manager.h"
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using namespace NLMISC;
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namespace NLGUI
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{
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//////////////////
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// CGroupHeader //
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//////////////////
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// *****************************************************************************************************************
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CGroupHeader::CGroupHeader(const TCtorParam ¶m) : CGroupList(param), _HeaderMaxSize(32767)
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{
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}
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// *****************************************************************************************************************
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void CGroupHeader::enlargeColumns(sint32 margin)
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{
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std::vector<CGroupHeaderEntry *> entries;
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getEntries(entries);
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sint32 totalWidth = 0;
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for (uint k = 0; k < entries.size(); ++k)
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{
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CInterfaceGroup *colEnclosing = entries[k]->getTargetColumn();
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if (colEnclosing && !colEnclosing->getGroups().empty())
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{
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CInterfaceGroup *col = colEnclosing->getGroups()[0];
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if (col)
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{
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// enlarge to the max to be able to measure the sub text (they may clamp themselves based
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// on their first non-"child resizing" parent (see CViewText::updateCoords)
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colEnclosing->setW(16384);
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colEnclosing->invalidateCoords();
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colEnclosing->updateCoords();
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// assume that first child is resizing from its children width (either 'child_resize_w=true' or a CGroupList)
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entries[k]->setW(std::max(entries[k]->getMinSize(), col->getW() + margin));
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entries[k]->invalidateCoords();
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totalWidth += entries[k]->getW();
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}
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}
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}
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// if total width bigger than allowed, reduce proportionnally
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if (totalWidth > _HeaderMaxSize)
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{
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while (totalWidth > _HeaderMaxSize)
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{
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bool adjusted = false;
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// stupid algo here, but ponctual ...
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for (uint k = 0; k < entries.size() && totalWidth > _HeaderMaxSize; ++k)
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{
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if (entries[k]->getW() > entries[k]->getMinSize())
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{
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entries[k]->setW(entries[k]->getW() - 1);
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entries[k]->invalidateCoords();
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--totalWidth;
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adjusted = true;
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}
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}
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// if all at min size, just exit ...
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if (!adjusted) break;
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}
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}
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else
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{
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// search first parent that limit size, if it is larger then enlarge to fit size
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CInterfaceGroup *limitingParent = getParent();
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while (limitingParent && (limitingParent->getResizeFromChildW() || dynamic_cast<CGroupList *>(limitingParent)))
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{
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// NB nico : the dynamic_cast for CGroupList is bad!!
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// can't avoid it for now, because, CGroupList implicitly does a "resize from child" in its update coords
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// ...
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limitingParent = limitingParent->getParent();
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}
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if (limitingParent && limitingParent->getWReal() > totalWidth)
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{
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while (limitingParent->getWReal() > totalWidth && totalWidth < _HeaderMaxSize)
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{
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// enlarge to matche parent size
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// stupid algo here, but ponctual ...
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for (uint k = 0; k < entries.size(); ++k)
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{
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entries[k]->setW(entries[k]->getW() + 1);
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entries[k]->invalidateCoords();
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++totalWidth;
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if (limitingParent->getWReal() <= totalWidth || totalWidth >= _HeaderMaxSize) break;
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}
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}
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}
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}
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invalidateCoords();
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}
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// *****************************************************************************************************************
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void CGroupHeader::resizeColumnsAndContainer(sint32 margin)
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{
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std::vector<CGroupHeaderEntry *> entries;
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getEntries(entries);
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sint32 totalWidth = 0;
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for (uint k = 0; k < entries.size(); ++k)
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{
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CInterfaceGroup *colEnclosing = entries[k]->getTargetColumn();
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if (colEnclosing && !colEnclosing->getGroups().empty())
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{
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CInterfaceGroup *col = colEnclosing->getGroups()[0];
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if (col)
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{
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// enlarge to the max to be able to measure the sub text (they may clamp themselves based
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// on their first non-"child resizing" parent (see CViewText::updateCoords)
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colEnclosing->setW(16384);
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colEnclosing->invalidateCoords();
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colEnclosing->updateCoords();
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// assume that first child is resizing from its children width (either 'child_resize_w=true' or a CGroupList)
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entries[k]->setW(std::max(entries[k]->getMinSize(), col->getW() + margin));
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entries[k]->invalidateCoords();
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totalWidth += entries[k]->getW();
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}
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}
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}
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// resize W
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if (totalWidth <= _HeaderMaxSize)
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{
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// search first parent that limit size, if it is larger then enlarge to fit size
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CInterfaceGroup *limitingParent = getParent();
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while (limitingParent && (limitingParent->getResizeFromChildW() || dynamic_cast<CGroupList *>(limitingParent)))
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{
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// NB nico : the dynamic_cast for CGroupList is bad!!
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// can't avoid it for now, because, CGroupList implicitly does a "resize from child" in its update coords
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// ...
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limitingParent = limitingParent->getParent();
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}
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getParentContainer()->setW(totalWidth + getParentContainer()->getWReal() - limitingParent->getWReal());
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}
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// resize H
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if(entries.size()>0)
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{
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CInterfaceGroup *colEnclosing = entries[0]->getTargetColumn();
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if (colEnclosing && !colEnclosing->getGroups().empty())
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{
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CInterfaceGroup *col = colEnclosing->getGroups()[0];
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if (col)
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{
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// search first parent that limit size, if it is larger then enlarge to fit size
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CInterfaceGroup *limitingParent = colEnclosing->getParent();
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while (limitingParent && (limitingParent->getResizeFromChildH() || dynamic_cast<CGroupList *>(limitingParent)))
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limitingParent = limitingParent->getParent();
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getParentContainer()->setH(col->getH() + getParentContainer()->getHReal() - limitingParent->getHReal());
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}
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}
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}
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invalidateCoords();
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}
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// *****************************************************************************************************************
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void CGroupHeader::getEntries(std::vector<CGroupHeaderEntry *> &dest)
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{
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dest.clear();
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const std::vector<CInterfaceGroup*> &groups = getGroups();
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for (uint k = 0; k < groups.size(); ++k)
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{
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CGroupHeaderEntry *entry = dynamic_cast<CGroupHeaderEntry *>(groups[k]);
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if (entry)
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{
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dest.push_back(entry);
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}
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}
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}
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// *****************************************************************************************************************
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int CGroupHeader::luaEnlargeColumns(CLuaState &ls)
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{
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const char *funcName = "enlargeColumns";
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CLuaIHM::checkArgCount(ls, funcName, 1);
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CLuaIHM::checkArgType(ls, funcName, 1, LUA_TNUMBER);
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enlargeColumns((sint32) ls.toNumber(1));
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return 0;
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}
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// *****************************************************************************************************************
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int CGroupHeader::luaResizeColumnsAndContainer(CLuaState &ls)
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{
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const char *funcName = "resizeColumnsAndContainer";
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CLuaIHM::checkArgCount(ls, funcName, 1);
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CLuaIHM::checkArgType(ls, funcName, 1, LUA_TNUMBER);
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resizeColumnsAndContainer((sint32) ls.toNumber(1));
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return 0;
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}
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std::string CGroupHeader::getProperty( const std::string &name ) const
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{
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if( name == "header_max_size" )
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{
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return toString( _HeaderMaxSize );
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}
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else
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return CGroupList::getProperty( name );
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}
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void CGroupHeader::setProperty( const std::string &name, const std::string &value )
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{
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if( name == "header_max_size" )
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{
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sint32 i;
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if( fromString( value, i ) )
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_HeaderMaxSize = i;
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return;
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}
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else
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return CGroupList::setProperty( name, value );
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}
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xmlNodePtr CGroupHeader::serialize( xmlNodePtr parentNode, const char *type ) const
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{
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xmlNodePtr node = CGroupList::serialize( parentNode, type );
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if( node == NULL )
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return NULL;
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xmlSetProp( node, BAD_CAST "type", BAD_CAST "header" );
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xmlSetProp( node, BAD_CAST "header_max_size", BAD_CAST toString( _HeaderMaxSize ).c_str() );
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return node;
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}
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// *****************************************************************************************************************
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bool CGroupHeader::parse(xmlNodePtr cur, CInterfaceGroup * parentGroup)
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{
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if(!CGroupList::parse(cur, parentGroup)) return false;
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CXMLAutoPtr prop((const char*) xmlGetProp( cur, (xmlChar*)"header_max_size" ));
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if (prop) fromString((const char*)prop, _HeaderMaxSize);
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return true;
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}
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/////////////////////////
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// CHeaderEntryResizer //
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/////////////////////////
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class CHeaderEntryResizer : public CCtrlBase
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{
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public:
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CHeaderEntryResizer(bool rightSide, sint32 wMin) : CCtrlBase(TCtorParam()),
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_RightSide(rightSide),
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_Moving(false),
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_StartX(0),
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_OffsetX(0),
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_WMin(wMin)
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{}
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void release()
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{
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if (CWidgetManager::getInstance()->getCapturePointerLeft() == this)
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{
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_Moving = false;
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CWidgetManager::getInstance()->setCapturePointerLeft(NULL);
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}
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}
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virtual uint getDeltaDepth() const { return 100; }
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CInterfaceGroup *getTargetGroup()
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{
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if (_RightSide) return _Parent;
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if (getParent()->getParent() == _Parent->getParentPos()) return NULL; // leftmost header
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return dynamic_cast<CInterfaceGroup *>(getParent()->getParentPos());
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}
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bool handleEvent (const NLGUI::CEventDescriptor &event)
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{
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if (_Parent)
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{
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if (event.getType() == NLGUI::CEventDescriptor::system)
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{
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const NLGUI::CEventDescriptorSystem &eds = (const NLGUI::CEventDescriptorSystem &) event;
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if (eds.getEventTypeExtended() == NLGUI::CEventDescriptorSystem::setfocus)
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{
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const NLGUI::CEventDescriptorSetFocus &edsf = (const NLGUI::CEventDescriptorSetFocus &) eds;
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if (edsf.hasFocus() == false)
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{
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release();
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return CCtrlBase::handleEvent(event);
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}
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}
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}
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if (event.getType() == NLGUI::CEventDescriptor::mouse)
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{
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const NLGUI::CEventDescriptorMouse &eventDesc = (const NLGUI::CEventDescriptorMouse &)event;
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if (eventDesc.getEventTypeExtended() == NLGUI::CEventDescriptorMouse::mouseleftdown)
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{
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if (!this->isIn(eventDesc.getX(), eventDesc.getY())) return false;
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_TargetGroup = getTargetGroup();
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if (!_TargetGroup) return false;
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CWidgetManager::getInstance()->setCapturePointerLeft(this);
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_Moving = true;
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_OffsetX = _TargetGroup->getW() - eventDesc.getX();
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return true;
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}
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if (eventDesc.getEventTypeExtended() == NLGUI::CEventDescriptorMouse::mouseleftup)
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{
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release();
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}
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if (eventDesc.getEventTypeExtended() == NLGUI::CEventDescriptorMouse::mousemove)
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{
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if (_Moving && CWidgetManager::getInstance()->getCapturePointerLeft() == this)
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{
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if (!_TargetGroup)
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{
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release();
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return false;
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}
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sint32 newW = eventDesc.getX() + _OffsetX;
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// compute width of all header entries but this one
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CGroupHeader *header = dynamic_cast<CGroupHeader *>(getParent()->getParent());
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if (header)
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{
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sint32 w = 0;
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for (uint k = 0; k < header->getNumChildren(); ++k)
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{
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if (header->getChild(k) != _TargetGroup)
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{
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w += header->getChild(k)->getW();
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}
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}
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sint32 excess = w + newW - header->getHeaderMaxSize();
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if (excess)
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{
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// try to diminish the size of all headers starting from the last
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for (sint k = header->getNumChildren() - 1; k >= 0 && excess > 0; --k)
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{
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if (header->getChild(k) == _TargetGroup) break;
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CGroupHeaderEntry *ghe = dynamic_cast<CGroupHeaderEntry *>(header->getChild(k));
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sint32 wGain = std::min(excess, std::max((sint32) 0, ghe->getW() - ghe->getMinSize()));
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if (wGain > 0)
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{
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ghe->setW(ghe->getW() - wGain);
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ghe->invalidateCoords();
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excess -= wGain;
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}
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}
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}
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newW -= std::max((sint32) 0, excess);
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}
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_TargetGroup->setW(std::max(_WMin, newW));
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_TargetGroup->invalidateCoords();
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CGroupHeaderEntry *ghe = dynamic_cast<CGroupHeaderEntry *>((CInterfaceGroup *) _TargetGroup);
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if (ghe)
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{
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ghe->setW(_TargetGroup->getW());
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ghe->invalidateCoords();
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CAHManager::getInstance()->runActionHandler(ghe->getAHOnResize(), ghe, ghe->getAHOnResizeParams());
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}
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return true;
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}
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_Moving = false;
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}
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}
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}
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return CCtrlBase::handleEvent(event);
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}
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virtual void draw ()
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{
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// no-op
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}
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virtual bool getMouseOverShape(std::string &texName, uint8 &rot, NLMISC::CRGBA &col)
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{
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if (!getTargetGroup()) return false;
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texName = "curs_resize_LR.tga";
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rot = 0;
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col = CRGBA::White;
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return true;
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}
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private:
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NLMISC::CRefPtr<CInterfaceGroup> _TargetGroup; // group for which w is modified
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bool _RightSide; // right or left side mover ?
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bool _Moving;
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sint32 _StartX; // value to add to mouse to get local x pos of target group
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sint32 _OffsetX;
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sint32 _WMin;
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};
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// *****************************************************************************************************************
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CGroupHeaderEntry::CGroupHeaderEntry(const TCtorParam ¶m) : CInterfaceGroup(param)
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{
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_MinSize = 4;
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_ResizerSize = 4;
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}
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xmlNodePtr CGroupHeaderEntry::serialize( xmlNodePtr parentNode, const char *type ) const
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{
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xmlNodePtr node = CInterfaceGroup::serialize( parentNode, type );
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if( node == NULL )
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return NULL;
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xmlSetProp( node, BAD_CAST "wmin", BAD_CAST toString( _MinSize ).c_str() );
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xmlSetProp( node, BAD_CAST "resizer_size", BAD_CAST toString( _ResizerSize ).c_str() );
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xmlSetProp( node, BAD_CAST "target", BAD_CAST toString( _TargetColumnId ).c_str() );
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xmlSetProp( node, BAD_CAST "on_resize", BAD_CAST _AHOnResize.c_str() );
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xmlSetProp( node, BAD_CAST "on_resize_params", BAD_CAST _AHOnResizeParams.c_str() );
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return node;
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}
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// *****************************************************************************************************************
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bool CGroupHeaderEntry::parse(xmlNodePtr cur, CInterfaceGroup * parentGroup)
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{
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if (!CInterfaceGroup::parse(cur, parentGroup)) return false;
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// left mover
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CXMLAutoPtr prop((const char*) xmlGetProp( cur, (xmlChar*)"wmin" ));
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if (prop) fromString((const char*)prop, _MinSize);
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prop = (char*) xmlGetProp( cur, (xmlChar*)"resizer_size" );
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if (prop) fromString((const char*)prop, _ResizerSize);
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prop = (char*) xmlGetProp(cur, (xmlChar*) "target");
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if (prop) _TargetColumnId = (const char *) prop;
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prop = (char*) xmlGetProp(cur, (xmlChar*) "on_resize");
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if (prop) _AHOnResize = (const char *) prop;
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prop = (char*) xmlGetProp(cur, (xmlChar*) "on_resize_params");
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if (prop) _AHOnResizeParams = (const char *) prop;
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CHeaderEntryResizer *hm = new CHeaderEntryResizer(false, _MinSize);
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addCtrl(hm);
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hm->setW(_ResizerSize);
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hm->setSizeRef(2);
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hm->setParent(this);
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hm->setParentPosRef(Hotspot_TL);
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hm->setPosRef(Hotspot_TL);
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// right mover
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hm = new CHeaderEntryResizer(true, _MinSize);
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addCtrl(hm);
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hm->setW(_ResizerSize);
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hm->setSizeRef(2);
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hm->setParent(this);
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hm->setParentPosRef(Hotspot_TR);
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hm->setPosRef(Hotspot_TR);
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//
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return true;
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}
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// *****************************************************************************************************************
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CInterfaceGroup *CGroupHeaderEntry::getTargetColumn() const
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{
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return dynamic_cast<CInterfaceGroup*>(CWidgetManager::getInstance()->getElementFromId(_TargetColumnId));
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}
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// *****************************************************************************************************************
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void CGroupHeaderEntry::updateCoords()
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{
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CInterfaceGroup::updateCoords();
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CInterfaceGroup *targetColumn = getTargetColumn();
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if (targetColumn)
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{
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if (targetColumn->getW() != getW())
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{
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targetColumn->setW(getW());
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targetColumn->invalidateCoords();
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}
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}
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}
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NLMISC_REGISTER_OBJECT(CViewBase, CGroupHeader, std::string, "header");
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NLMISC_REGISTER_OBJECT(CViewBase, CGroupHeaderEntry, std::string, "header_entry");
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}
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