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khanat-code-old/code/ryzom/client/src/interface_v3/ctrl_scroll.cpp

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initial version
2010-05-06 00:08:41 +00:00
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "stdpch.h"
#include "interface_manager.h"
#include "ctrl_scroll.h"
#include "game_share/xml_auto_ptr.h"
#include "group_menu.h"
#include "lua_ihm.h"
using namespace NLMISC;
using namespace std;
NLMISC_REGISTER_OBJECT(CViewBase, CCtrlScroll, std::string, "scroll");
// ------------------------------------------------------------------------------------------------
CCtrlScroll::CCtrlScroll(const TCtorParam &param)
: CCtrlBase(param)
{
_Vertical = true;
_Aligned = 1;
_TrackPos = 0;
_TrackDispPos = 0;
_TrackSize = _TrackSizeMin = 16;
_Min = 0;
_Max = 100;
_Value = 0;
_InitialValue = 0;
_MouseDown = false;
_CallingAH = false;
_Cancelable = false;
_Target = NULL;
_Inverted = false;
_IsDBLink = false;
_LastTargetHReal = 0;
_LastTargetMaxHReal = 0;
_LastTargetWReal = 0;
_LastTargetMaxWReal = 0;
_LastTargetOfsX = 0;
_LastTargetOfsY = 0;
_ObserverOn = true;
_TargetStepX = 1;
_TargetStepY = 1;
_StepValue = 0;
_TileM = false;
_Frozen = false;
}
// ------------------------------------------------------------------------------------------------
void CCtrlScroll::runAH(const std::string &name, const std::string &params)
{
if (name.empty()) return;
if (_CallingAH) return; // avoid infinite loop
CInterfaceManager *pIM = CInterfaceManager::getInstance();
_CallingAH = true;
pIM->runActionHandler(name, this, params);
_CallingAH = false;
}
// ------------------------------------------------------------------------------------------------
CCtrlScroll::~CCtrlScroll()
{
if (_IsDBLink)
{
ICDBNode::CTextId textId;
_DBLink.getNodePtr()->removeObserver(this, textId);
}
}
// ------------------------------------------------------------------------------------------------
bool CCtrlScroll::parse(xmlNodePtr node, CInterfaceGroup * parentGroup)
{
if (!CCtrlBase::parse(node, parentGroup))
return false;
CXMLAutoPtr prop;
// Read textures
prop = (char*) xmlGetProp( node, (xmlChar*)"tx_bottomleft" );
if(prop) setTextureBottomOrLeft(string((const char*)prop));
else setTextureBottomOrLeft ("w_scroll_l0_b.tga");
prop = (char*) xmlGetProp( node, (xmlChar*)"tx_middle" );
if(prop) setTextureMiddle(string((const char*)prop));
else setTextureMiddle ("w_scroll_l0_m.tga");
prop = (char*) xmlGetProp( node, (xmlChar*)"tx_topright" );
if(prop) setTextureTopOrRight(string((const char*)prop));
else setTextureTopOrRight ("w_scroll_l0_t.tga");
// Read properties
prop = (char*) xmlGetProp( node, (xmlChar*)"vertical" );
if (prop) _Vertical = convertBool((const char*)prop);
prop = (char*) xmlGetProp (node, (xmlChar*)"align");
_Aligned = 1;
if (prop)
{
if (stricmp(prop, "T") == 0) _Aligned = 0;
else if (stricmp(prop, "B") == 0) _Aligned = 1;
else if (stricmp(prop, "L") == 0) _Aligned = 2;
else if (stricmp(prop, "R") == 0) _Aligned = 3;
}
prop = (char*) xmlGetProp( node, (xmlChar*)"min" );
if (prop) fromString((const char*)prop, _Min);
prop = (char*) xmlGetProp( node, (xmlChar*)"max" );
if (prop) fromString((const char*)prop, _Max);
prop = (char*) xmlGetProp( node, (xmlChar*)"value" );
if (prop)
{
if ( isdigit(*prop) || *prop=='-')
{
_IsDBLink = false;
fromString((const char*)prop, _Value);
}
else
{
_IsDBLink = true;
_DBLink.link(prop);
ICDBNode::CTextId textId;
_DBLink.getNodePtr()->addObserver(this, textId);
}
}
prop = (char*) xmlGetProp( node, (xmlChar*)"tracksize" );
if (prop) fromString((const char*)prop, _TrackSize);
// Read Action handlers
prop = (char*) xmlGetProp( node, (xmlChar*)"onscroll" );
if (prop) _AHOnScroll = NLMISC::strlwr(prop);
prop = (char*) xmlGetProp( node, (xmlChar*)"params" );
if (prop) _AHOnScrollParams = string((const char*)prop);
//
prop = (char*) xmlGetProp( node, (xmlChar*)"onscrollend" );
if (prop) _AHOnScrollEnd = NLMISC::strlwr(prop);
prop = (char*) xmlGetProp( node, (xmlChar*)"end_params" );
if (prop) _AHOnScrollEndParams = string((const char*)prop);
//
prop = (char*) xmlGetProp( node, (xmlChar*)"onscrollcancel" );
if (prop) _AHOnScrollCancel = NLMISC::strlwr(prop);
prop = (char*) xmlGetProp( node, (xmlChar*)"cancel_params" );
if (prop) _AHOnScrollCancelParams = string((const char*)prop);
// auto-target
prop = (char*) xmlGetProp( node, (xmlChar*)"target" );
if (prop)
{
CInterfaceManager *pIM= CInterfaceManager::getInstance();
CInterfaceGroup *group = dynamic_cast<CInterfaceGroup*>(pIM->getElementFromId(prop));
if(group == NULL)
group = dynamic_cast<CInterfaceGroup*>(pIM->getElementFromId(this->getId(), prop));
if(group != NULL)
setTarget (group);
}
// auto-step
prop = (char*) xmlGetProp( node, (xmlChar*)"target_stepx" );
if(prop) fromString((const char*)prop, _TargetStepX);
prop = (char*) xmlGetProp( node, (xmlChar*)"target_stepy" );
if(prop) fromString((const char*)prop, _TargetStepY);
_TargetStepX= max((sint32)1, _TargetStepX);
_TargetStepY= max((sint32)1, _TargetStepY);
// Scroll Step
prop = (char*) xmlGetProp( node, (xmlChar*)"step_value" );
if(prop) fromString((const char*)prop, _StepValue);
prop = (char*) xmlGetProp( node, (xmlChar*)"cancelable" );
if (prop) _Cancelable = convertBool(prop);
prop= (char*) xmlGetProp (node, (xmlChar*)"frozen");
_Frozen = false;
if (prop)
_Frozen = convertBool(prop);
return true;
}
// ------------------------------------------------------------------------------------------------
int CCtrlScroll::luaSetTarget(CLuaState &ls)
{
const char *funcName = "setTarget";
CLuaIHM::checkArgCount(ls, funcName, 1);
CLuaIHM::checkArgType(ls, funcName, 1, LUA_TSTRING);
std::string targetId = ls.toString(1);
CInterfaceManager *pIM= CInterfaceManager::getInstance();
CInterfaceGroup *group = dynamic_cast<CInterfaceGroup*>(pIM->getElementFromId(targetId));
if(group != NULL)
{
setTarget (group);
}
return 0;
}
void CCtrlScroll::updateCoords()
{
if (_Target)
{
// update only if visible
if (_Target->getActive())
{
CInterfaceManager *pIM = CInterfaceManager::getInstance();
CViewRenderer &rVR = pIM->getViewRenderer();
sint32 w, h;
rVR.getTextureSizeFromId (_TxIdB, w, h);
if (_Vertical)
{
_W = w;
_H = _Target->getMaxHReal();
}
else
{
_W = _Target->getMaxWReal();
_H = h;
}
CCtrlBase::updateCoords ();
if (_Vertical)
{
if(_Target->getHReal()!=_LastTargetHReal || _Target->getMaxHReal()!=_LastTargetMaxHReal ||
_Target->getOfsY() != _LastTargetOfsY
)
{
_LastTargetHReal= _Target->getHReal();
_LastTargetMaxHReal= _Target->getMaxHReal();
_LastTargetOfsY = _Target->getOfsY();
// Activate only if needed
setActive(_Target->getHReal() > _Target->getMaxHReal());
CCtrlBase::updateCoords();
// Calculate size of the track button
if ((_Target->getHReal() <= _Target->getMaxHReal()) || (_Target->getHReal() == 0))
{
_TrackSize = _Target->getMaxHReal();
}
else
{
float factor = (float)_Target->getMaxHReal() / (float)_Target->getHReal();
factor = _TrackSizeMin + factor * (this->getHReal() - _TrackSizeMin);
_TrackSize = (sint32)factor;
}
// Calculate pos of the track button
if (_Target->getHReal() <= _Target->getMaxHReal())
{
if (_Aligned == 1) // BOTTOM
_TrackPos = 0;
else // TOP
_TrackPos = getHReal()-_TrackSize;
}
else
{
if (_Aligned == 1) // BOTTOM
{
float factor = ((float)_Target->getHReal() - (float)_Target->getMaxHReal());
factor = -(float)_Target->getOfsY() / factor;
if (factor < 0.0f) factor = 0.0f;
if (factor > 1.0f) factor = 1.0f;
factor = factor * (getHReal()-_TrackSize);
_TrackPos = (sint32)factor;
}
else // TOP
{
float factor = ((float)_Target->getHReal() - (float)_Target->getMaxHReal());
factor = (float)_Target->getOfsY() / factor;
if (factor < 0.0f) factor = 0.0f;
if (factor > 1.0f) factor = 1.0f;
sint32 hreal = getHReal();
factor = (1.0f-factor) * (hreal - _TrackSize);
_TrackPos = (sint32)factor;
}
}
// invalidate coords.
computeTargetOfsFromPos();
}
}
else // Horizontal Tracker
{
if(_Target->getWReal()!=_LastTargetWReal || _Target->getMaxWReal()!=_LastTargetMaxWReal ||
_Target->getOfsX() != _LastTargetOfsX)
{
_LastTargetWReal= _Target->getWReal();
_LastTargetMaxWReal= _Target->getMaxWReal();
_LastTargetOfsX = _Target->getOfsX();
// Activate only if needed
setActive(_Target->getWReal() > _Target->getMaxWReal());
CCtrlBase::updateCoords();
// Calculate size of the track button
if ((_Target->getWReal() <= _Target->getMaxWReal()) || (_Target->getWReal() == 0))
{
_TrackSize = _Target->getMaxWReal();
}
else
{
float factor = (float)_Target->getMaxWReal() / (float)_Target->getWReal();
factor = _TrackSizeMin + factor * (this->getWReal() - _TrackSizeMin);
_TrackSize = (sint32)factor;
}
// Calculate pos of the track button
if (_Target->getWReal() <= _Target->getMaxWReal())
{
if (_Aligned == 2) // LEFT
_TrackPos = 0;
else // RIGHT
_TrackPos = getWReal()-_TrackSize;
}
else
{
if (_Aligned == 2) // LEFT
{
float factor = ((float)_Target->getWReal() - (float)_Target->getMaxWReal());
factor = -(float)_Target->getOfsX() / factor;
if (factor < 0.0f) factor = 0.0f;
if (factor > 1.0f) factor = 1.0f;
factor = factor * (getWReal()-_TrackSize);
_TrackPos = (sint32)factor;
}
else // RIGHT
{
float factor = ((float)_Target->getWReal() - (float)_Target->getMaxWReal());
factor = (float)_Target->getOfsX() / factor;
if (factor < 0.0f) factor = 0.0f;
if (factor > 1.0f) factor = 1.0f;
sint32 hreal = getWReal();
factor = (1.0f-factor) * (hreal - _TrackSize);
_TrackPos = (sint32)factor;
}
}
// invalidate coords.
computeTargetOfsFromPos();
}
}
}
// reset cache
else
{
_LastTargetHReal= 0;
_LastTargetMaxHReal= 0;
_LastTargetWReal= 0;
_LastTargetMaxWReal= 0;
_LastTargetOfsX = 0;
_LastTargetOfsY = 0;
setActive(false);
}
}
else
{
CCtrlBase::updateCoords ();
if (_IsDBLink)
_Value = _DBLink.getSInt32();
if (_Vertical)
{
float factor;
if (_Aligned == 1) // BOTTOM
factor = ((float)_Value-_Min) / (_Max-_Min);
else // TOP
factor = 1.0f - ((float)_Value-_Min) / (_Max-_Min);
factor *= (this->getHReal() - _TrackSize);
_TrackDispPos = (sint32)factor;
}
else
{
float factor;
if (_Aligned == 2) // LEFT
factor = ((float)_Value-_Min) / (_Max-_Min);
else // RIGHT
factor = 1.0f - ((float)_Value-_Min) / (_Max-_Min);
factor *= (this->getWReal() - _TrackSize);
_TrackDispPos = (sint32)factor;
}
}
CCtrlBase::updateCoords ();
}
// ------------------------------------------------------------------------------------------------
void CCtrlScroll::draw()
{
CInterfaceManager *pIM = CInterfaceManager::getInstance();
CViewRenderer &rVR = pIM->getViewRenderer();
CRGBA col = pIM->getGlobalColorForContent();
if (_Target)
{
if (_Vertical)
{
rVR.drawRotFlipBitmap (_RenderLayer, _XReal, _YReal+_TrackPos, _WReal, 4, 0, false, _TxIdB, col );
if (_TileM == 0)
rVR.drawRotFlipBitmap (_RenderLayer, _XReal, _YReal+_TrackPos+4, _WReal, _TrackSize-8, 0, false, _TxIdM, col );
else
rVR.drawRotFlipBitmapTiled (_RenderLayer, _XReal, _YReal+_TrackPos+4, _WReal, _TrackSize-8, 0, false, _TxIdM, _TileM-1, col );
rVR.drawRotFlipBitmap (_RenderLayer, _XReal, _YReal+_TrackPos+_TrackSize-4, _WReal, 4, 0, false, _TxIdT, col );
}
else
{
rVR.drawRotFlipBitmap (_RenderLayer, _XReal+_TrackPos, _YReal, 4, _HReal, 0, false, _TxIdB, col );
if (_TileM == 0)
rVR.drawRotFlipBitmap (_RenderLayer, _XReal+_TrackPos+4, _YReal, _TrackSize-8, _HReal, 0, false, _TxIdM, col );
else
rVR.drawRotFlipBitmapTiled (_RenderLayer, _XReal+_TrackPos+4, _YReal, _TrackSize-8, _HReal, 0, false, _TxIdM, _TileM-1, col );
rVR.drawRotFlipBitmap (_RenderLayer, _XReal+_TrackPos+_TrackSize-4, _YReal, 4, _HReal, 0, false, _TxIdT, col );
}
}
else
{
if (_Vertical)
{
rVR.drawRotFlipBitmap (_RenderLayer, _XReal, _YReal+_TrackDispPos, _WReal, 4, 0, false, _TxIdB, col );
if (_TileM == 0)
rVR.drawRotFlipBitmap (_RenderLayer, _XReal, _YReal+_TrackDispPos+4, _WReal, _TrackSize-8, 0, false, _TxIdM, col );
else
rVR.drawRotFlipBitmapTiled (_RenderLayer, _XReal, _YReal+_TrackDispPos+4, _WReal, _TrackSize-8, 0, false, _TxIdM, _TileM-1, col );
rVR.drawRotFlipBitmap (_RenderLayer, _XReal, _YReal+_TrackDispPos+_TrackSize-4, _WReal, 4, 0, false, _TxIdT, col );
}
else
{
rVR.drawRotFlipBitmap (_RenderLayer, _XReal+_TrackDispPos, _YReal, 4, _HReal, 0, false, _TxIdB, col );
if (_TileM == 0)
rVR.drawRotFlipBitmap (_RenderLayer, _XReal+_TrackDispPos+4, _YReal, _TrackSize-8, _HReal, 0, false, _TxIdM, col );
else
rVR.drawRotFlipBitmapTiled (_RenderLayer, _XReal+_TrackDispPos+4, _YReal, _TrackSize-8, _HReal, 0, false, _TxIdM, _TileM-1, col );
rVR.drawRotFlipBitmap (_RenderLayer, _XReal+_TrackDispPos+_TrackSize-4, _YReal, 4, _HReal, 0, false, _TxIdT, col );
}
}
}
// ------------------------------------------------------------------------------------------------
bool CCtrlScroll::handleEvent (const CEventDescriptor &event)
{
if (CCtrlBase::handleEvent(event)) return true;
if (!_Active || _Frozen)
return false;
if (event.getType() == CEventDescriptor::mouse)
{
const CEventDescriptorMouse &eventDesc = (const CEventDescriptorMouse &)event;
if ((CInterfaceManager::getInstance()->getCapturePointerLeft() != this) &&
(!((eventDesc.getX() >= _XReal) &&
(eventDesc.getX() < (_XReal + _WReal))&&
(eventDesc.getY() > _YReal) &&
(eventDesc.getY() <= (_YReal+ _HReal)))))
return false;
if (eventDesc.getEventTypeExtended() == CEventDescriptorMouse::mouseleftdown)
{
_MouseDown = true;
_InitialValue = getValue();
if (!_Target)
_TrackPos = _TrackDispPos;
_MouseDownOffsetX = eventDesc.getX() - (getXReal() + (_Vertical ? 0 : _TrackPos));
_MouseDownOffsetY = eventDesc.getY() - (getYReal() + (_Vertical ? _TrackPos : 0));
// if target is a menu, hidde its sub menus
if(_Target && _Target->getParent())
{
CGroupSubMenu * menu = dynamic_cast<CGroupSubMenu*>(_Target->getParent());
if(menu)
menu->hideSubMenus();
}
return true;
}
if (eventDesc.getEventTypeExtended() == CEventDescriptorMouse::mouseleftup)
{
_MouseDown = false;
runAH(_AHOnScrollEnd, _AHOnScrollEndParams.empty() ? _AHOnScrollParams : _AHOnScrollEndParams); // backward compatibility
return true;
}
if (eventDesc.getEventTypeExtended() == CEventDescriptorMouse::mouserightdown && _MouseDown && _Cancelable)
{
_MouseDown = false;
setValue(_InitialValue);
runAH(_AHOnScrollCancel, _AHOnScrollCancelParams); // backward compatibility
return true;
}
if (eventDesc.getEventTypeExtended() == CEventDescriptorMouse::mousemove)
{
if (_MouseDown)
{
sint32 dx = eventDesc.getX() - (getXReal() + (_Vertical ? 0 : _TrackPos) + _MouseDownOffsetX);
sint32 dy = eventDesc.getY() - (getYReal() + (_Vertical ? _TrackPos : 0 ) + _MouseDownOffsetY);
if (dx != 0) moveTrackX (dx);
if (dy != 0) moveTrackY (dy);
}
return true;
}
if (eventDesc.getEventTypeExtended() == CEventDescriptorMouse::mousewheel && _Vertical)
{
moveTrackY (eventDesc.getWheel() * 12);
return true;
}
}
return false;
}
// ------------------------------------------------------------------------------------------------
void CCtrlScroll::setTarget (CInterfaceGroup *pIG)
{
_Target = pIG;
if (_Vertical)
{
if (_Target->getPosRef()&Hotspot_Tx)
_Aligned = 0;
else
_Aligned = 1;
if (_Target->getPosRef()&Hotspot_Tx)
_Inverted = true;
else
_Inverted = true;
}
else
{
if (_Target->getPosRef()&Hotspot_xL)
_Aligned = 2;
else
_Aligned = 3;
if (_Target->getPosRef()&Hotspot_xL)
_Inverted = true;
else
_Inverted = true;
}
}
// ------------------------------------------------------------------------------------------------
sint32 CCtrlScroll::moveTrackX (sint32 dx)
{
if (_Vertical)
return 0;
if ((getWReal()-_TrackSize) <= 0)
return 0;
sint32 newtpos;
sint32 tpos = _TrackPos;
sint32 tsize = _TrackSize;
// Limit the scroller to the defined area
newtpos = tpos + dx;
if (newtpos < 0) newtpos = 0;
if (newtpos > (getWReal()-tsize)) newtpos = (getWReal()-tsize);
dx = newtpos - tpos;
if (_Target)
{
_TrackPos = newtpos;
computeTargetOfsFromPos();
}
else // This is a number scroller
{
float factor = (float)(_Max - _Min);
if (_Aligned == 2) // LEFT
factor = -factor * newtpos / (float)(getWReal()-tsize) - _Min;
else // RIGHT
factor = factor * (1.0f-(newtpos / (float)(getWReal()-tsize))) + _Min;
_TrackPos = newtpos;
if (_Aligned == 2) // LEFT
_Value = (sint32) (_Inverted ? factor : -factor);
else // RIGHT
_Value = (sint32) (_Inverted ? factor : -factor);
// step and clamp value
normalizeValue(_Value);
{
float factor;
if (_Aligned == 2) // LEFT
factor = ((float)_Value-_Min) / (_Max-_Min);
else // RIGHT
factor = 1.0f - ((float)_Value-_Min) / (_Max-_Min);
factor *= (this->getWReal() - _TrackSize);
_TrackDispPos = (sint32)factor;
}
if (_IsDBLink)
{
_ObserverOn = false;
_DBLink.setSInt32 (_Value);
_ObserverOn = true;
}
}
// Launch the scroller event if any
runAH(_AHOnScroll, _AHOnScrollParams);
return dx;
}
// ------------------------------------------------------------------------------------------------
sint32 CCtrlScroll::moveTrackY (sint32 dy)
{
if (!_Vertical)
return 0;
if ((getHReal()-_TrackSize) <= 0)
return 0;
sint32 newtpos;
sint32 tpos = _TrackPos;
sint32 tsize = _TrackSize;
// Limit the scroller to the defined area
newtpos = tpos + dy;
if (newtpos < 0) newtpos = 0;
if (newtpos > (getHReal()-tsize)) newtpos = (getHReal()-tsize);
dy = newtpos - tpos;
if (_Target)
{
_TrackPos = newtpos;
computeTargetOfsFromPos();
}
else // This is a number scroller
{
float factor = (float)(_Max - _Min);
if (_Aligned == 1) // BOTTOM
factor = -factor * newtpos / (float)(getHReal()-tsize) - _Min;
else // TOP
factor = factor * (1.0f-(newtpos / (float)(getHReal()-tsize))) + _Min;
_TrackPos = newtpos;
if (_Aligned == 1) // BOTTOM
_Value = (sint32) (_Inverted ? factor : -factor);
else // TOP
_Value = (sint32) (_Inverted ? factor : -factor);
// step and clamp value
normalizeValue(_Value);
{
float factor;
if (_Aligned == 1) // BOTTOM
factor = ((float)_Value-_Min) / (_Max-_Min);
else // TOP
factor = 1.0f - ((float)_Value-_Min) / (_Max-_Min);
factor *= (this->getHReal() - _TrackSize);
_TrackDispPos = (sint32)factor;
}
if (_IsDBLink)
{
_ObserverOn = false;
_DBLink.setSInt32 (_Value);
_ObserverOn = true;
}
}
// Launch the scroller event if any
runAH(_AHOnScroll, _AHOnScrollParams);
return dy;
}
// ------------------------------------------------------------------------------------------------
void CCtrlScroll::setTextureBottomOrLeft (const std::string &txName)
{
CInterfaceManager *pIM = CInterfaceManager::getInstance();
CViewRenderer &rVR = pIM->getViewRenderer();
_TxIdB = rVR.getTextureIdFromName(txName);
}
// ------------------------------------------------------------------------------------------------
void CCtrlScroll::setTextureMiddle (const std::string &txName)
{
CInterfaceManager *pIM = CInterfaceManager::getInstance();
CViewRenderer &rVR = pIM->getViewRenderer();
_TxIdM = rVR.getTextureIdFromName(txName);
}
// ------------------------------------------------------------------------------------------------
void CCtrlScroll::setTextureTopOrRight (const std::string &txName)
{
CInterfaceManager *pIM = CInterfaceManager::getInstance();
CViewRenderer &rVR = pIM->getViewRenderer();
_TxIdT = rVR.getTextureIdFromName(txName);
}
// ------------------------------------------------------------------------------------------------
void CCtrlScroll::setValue(sint32 value)
{
normalizeValue(value);
if (_IsDBLink)
{
_ObserverOn = false;
_DBLink.setSInt32(value);
_ObserverOn = true;
}
else
{
_Value = value;
}
invalidateCoords();
}
// ------------------------------------------------------------------------------------------------
void CCtrlScroll::setTrackPos(sint32 pos)
{
if (_Vertical)
{
moveTrackY(pos - _TrackPos);
}
else
{
moveTrackX(pos - _TrackPos);
}
invalidateCoords();
}
// ------------------------------------------------------------------------------------------------
void CCtrlScroll::computeTargetOfsFromPos()
{
if(_Vertical)
{
float factor = ((float)_Target->getHReal() - (float)_Target->getMaxHReal());
if (_Aligned == 1) // BOTTOM
factor = -factor * _TrackPos / favoid0((float)(getHReal()-_TrackSize));
else // TOP
factor = factor * (1.0f-(_TrackPos / favoid0((float)(getHReal()-_TrackSize))));
// Compute Steped target
sint32 nexOfsY= (sint32) (_Inverted ? factor : -factor);
if(_TargetStepY>1)
nexOfsY= ((nexOfsY+_TargetStepY/2)/_TargetStepY) * _TargetStepY;
_Target->setOfsY (nexOfsY);
_LastTargetOfsY = nexOfsY;
// invalidate only XReal/YReal, doing only 1 pass
_Target->invalidateCoords(1);
}
else
{
float factor = ((float)_Target->getWReal() - (float)_Target->getMaxWReal());
if (_Aligned == 2) // LEFT
factor = -factor * _TrackPos / favoid0((float)(getWReal()-_TrackSize));
else // RIGHT
factor = factor * (1.0f-(_TrackPos / favoid0((float)(getWReal()-_TrackSize))));
// Compute Steped target
sint32 nexOfsX= (sint32) (_Inverted ? factor : -factor);
if(_TargetStepX>1)
nexOfsX= ((nexOfsX+_TargetStepX/2)/_TargetStepX) * _TargetStepX;
_Target->setOfsX (nexOfsX);
_LastTargetOfsX = nexOfsX;
// invalidate only XReal/YReal, doing only 1 pass
_Target->invalidateCoords(1);
}
}
// ------------------------------------------------------------------------------------------------
void CCtrlScroll::update(ICDBNode * /* node */)
{
if (!_ObserverOn) return;
_Value = _DBLink.getSInt32();
// the value in the db changed
invalidateCoords(1);
if (_Target) _Target->invalidateCoords(1);
}
// ***************************************************************************
void CCtrlScroll::moveTargetX (sint32 dx)
{
if(!_Target)
return;
sint32 maxWReal= _Target->getMaxWReal();
sint32 wReal= _Target->getWReal();
if(wReal <= maxWReal)
return;
// compute the new ofsX.
sint32 ofsX= _Target->getOfsX();
ofsX+= dx;
clamp(ofsX, 0, wReal-maxWReal);
_Target->setOfsX(ofsX);
// compute new trackPos.
if (_Aligned == 2) // LEFT
{
float factor = (float)(wReal-maxWReal);
factor = -(float)ofsX / factor;
clamp(factor, 0.f, 1.f);
factor = factor * (getWReal()-_TrackSize);
_TrackPos = (sint32)factor;
}
else // RIGHT
{
float factor = (float)(wReal-maxWReal);
factor = (float)ofsX / factor;
clamp(factor, 0.f, 1.f);
factor = (1.0f-factor) * (getWReal() - _TrackSize);
_TrackPos = (sint32)factor;
}
// invlidate only position. 1 pass is sufficient
invalidateCoords(1);
}
// ***************************************************************************
void CCtrlScroll::moveTargetY (sint32 dy)
{
if(!_Target)
return;
sint32 maxHReal= _Target->getMaxHReal();
sint32 hReal= _Target->getHReal();
if(hReal <= maxHReal)
return;
// compute the new ofsY.
sint32 ofsY= _Target->getOfsY();
ofsY+= dy;
// compute new trackPos.
if (_Aligned == 1) // BOTTOM
{
clamp(ofsY, maxHReal - hReal, 0);
_Target->setOfsY(ofsY);
float factor = (float)(hReal-maxHReal);
factor = -(float)ofsY / factor;
clamp(factor, 0.f, 1.f);
factor = factor * (getHReal()-_TrackSize);
_TrackPos = (sint32)factor;
}
else // TOP
{
clamp(ofsY, 0, hReal-maxHReal);
_Target->setOfsY(ofsY);
float factor = (float)(hReal-maxHReal);
factor = (float)ofsY / factor;
clamp(factor, 0.f, 1.f);
factor = (1.0f-factor) * (getHReal() - _TrackSize);
_TrackPos = (sint32)factor;
}
// invlidate only position. 1 pass is sufficient
invalidateCoords(1);
}
// ***************************************************************************
void CCtrlScroll::normalizeValue(sint32 &value)
{
// if, 0 no step
if(_StepValue==0 || _StepValue==1)
return;
// if interval is null, force min!
if(_Max==_Min)
{
value= _Min;
return;
}
// get range of possible position
// sint32 size= _Max - _Min;
// step (round)
sint32 val= (value + (_StepValue/2) -_Min) / _StepValue;
val= _Min + val * _StepValue;
clamp(val, _Min, _Max);
value= val;
}
// ***************************************************************************
void CCtrlScroll::setFrozen (bool state)
{
_Frozen = state;
if (_Frozen)
{
_Value = 0;
}
}
// ------------------------------------------------------------------------------------------------
int CCtrlScroll::luaEnsureVisible(CLuaState &ls)
{
const char *funcName = "ensureVisible";
CLuaIHM::checkArgCount(ls, funcName, 3);
CLuaIHM::checkArgTypeUIElement(ls, funcName, 1);
CLuaIHM::checkArgType(ls, funcName, 2, LUA_TSTRING);
CLuaIHM::checkArgType(ls, funcName, 3, LUA_TSTRING);
THotSpot hs[2];
std::string hsStr[] = { ls.toString(2), ls.toString(3) };
//
for (uint hsIndex = 0; hsIndex < 2; ++ hsIndex)
{
if (_Vertical)
{
if (NLMISC::nlstricmp(hsStr[hsIndex], "T") == 0)
{
hs[hsIndex] = Hotspot_Tx;
}
else
if (NLMISC::nlstricmp(hsStr[hsIndex], "M") == 0)
{
hs[hsIndex] = Hotspot_Mx;
}
else
if (NLMISC::nlstricmp(hsStr[hsIndex], "B") == 0)
{
hs[hsIndex] = Hotspot_Bx;
}
else
{
CLuaIHM::fails(ls, "%s : couldn't parse hotspot for vertical scrollbar", funcName);
}
}
else
{
if (NLMISC::nlstricmp(hsStr[hsIndex], "L") == 0)
{
hs[hsIndex] = Hotspot_xL;
}
else
if (NLMISC::nlstricmp(hsStr[hsIndex], "M") == 0)
{
hs[hsIndex] = Hotspot_xM;
}
else
if (NLMISC::nlstricmp(hsStr[hsIndex], "R") == 0)
{
hs[hsIndex] = Hotspot_xR;
}
else
{
CLuaIHM::fails(ls, "%s : couldn't parse hotspot for horizontal scrollbar", funcName);
}
}
}
ensureVisible(CLuaIHM::getUIOnStack(ls, 1), hs[0], hs[1]);
return 0;
}
// ------------------------------------------------------------------------------------------------
void CCtrlScroll::ensureVisible(CInterfaceElement *childElement, THotSpot childHotSpot, THotSpot parentHotSpot)
{
if (!_Target) return; // not connected to a target yet
if (!childElement) return;
// compute corners of interest for enclosed element & enclosing group
sint32 childX, childY;
childElement->getCorner(childX, childY, childHotSpot);
if (_Vertical)
{
sint32 maxHReal= _Target->getMaxHReal();
sint32 hReal= _Target->getHReal();
if(hReal > maxHReal)
{
sint enclosingDY;
switch (parentHotSpot)
{
case Hotspot_Bx:
enclosingDY = maxHReal;
break;
case Hotspot_Mx:
enclosingDY = maxHReal / 2;
break;
case Hotspot_Tx:
enclosingDY = 0;
break;
default:
nlassert(0);
break;
}
if (_Aligned == 0)
{
// Top aligned case
sint32 offsetY = (_Target->getYReal() + _Target->getHReal() - childY) - enclosingDY;
NLMISC::clamp(offsetY, 0, hReal - maxHReal);
_Target->setOfsY(offsetY);
_Target->invalidateCoords();
}
else if (_Aligned == 1)
{
// Bottom aligned case
sint32 offsetY = (maxHReal - enclosingDY) - (childY - _Target->getYReal());
NLMISC::clamp(offsetY, maxHReal - hReal, 0);
_Target->setOfsY(offsetY);
_Target->invalidateCoords();
}
}
// else, ... fully visible (not occluded by parent group)
}
else
{
sint32 maxWReal= _Target->getMaxWReal();
sint32 wReal= _Target->getWReal();
if(wReal > maxWReal)
{
sint enclosingDX;
switch (parentHotSpot)
{
case Hotspot_xL:
enclosingDX = maxWReal;
break;
case Hotspot_xM:
enclosingDX = maxWReal / 2;
break;
case Hotspot_xR:
enclosingDX = 0;
break;
default:
nlassert(0);
break;
}
if (_Aligned == 3)
{
// right aligned case
sint32 offsetX = (_Target->getXReal() + _Target->getWReal() - childX) - enclosingDX;
NLMISC::clamp(offsetX, 0, wReal - maxWReal);
_Target->setOfsX(offsetX);
_Target->invalidateCoords();
}
else if (_Aligned == 2)
{
// Left aligned case
sint32 offsetX = (maxWReal - enclosingDX) - (childX - _Target->getXReal());
NLMISC::clamp(offsetX, maxWReal - wReal, 0);
_Target->setOfsX(offsetX);
_Target->invalidateCoords();
}
}
// else, ... fully visible (not occluded by parent group)
}
}
Reference in a new issue Copy permalink