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Nimetu 2015-12-06 16:38:52 +02:00
parent f81fc44305
commit 29e5b70825
4 changed files with 69 additions and 24 deletions
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2
code/nel/include/nel/gui/ctrl_scroll.h
View file

@ -147,7 +147,7 @@ namespace NLGUI
sint32 _Aligned; // 0-Top 1-Bottom 2-Left 3-Right
sint32 _TrackDispPos;
sint32 _TrackPos;
float _TrackPos;
sint32 _TrackSize;
sint32 _TrackSizeMin;

5
code/nel/include/nel/gui/group_scrolltext.h
View file

@ -66,6 +66,8 @@ namespace NLGUI
// from CCtrlBase
virtual void elementCaptured(CCtrlBase *capturedElement);
// setup vertical scrolling event
void smoothScrollY (sint32 dy);
REFLECT_EXPORT_START(CGroupScrollText, CInterfaceGroup)
REFLECT_EXPORT_END
@ -78,6 +80,9 @@ namespace NLGUI
bool _Settuped;
bool _InvertScrollBar;
sint32 _ListHeight;
bool _Scrolling;
float _ScrollDistance;
bool _ClockMsgEventRegistered;
protected:
void setup();
void updateScrollBar();

32
code/nel/src/gui/ctrl_scroll.cpp
View file

@ -653,8 +653,7 @@ namespace NLGUI
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;
_TrackPos = factor * (getHReal()-_TrackSize);
}
else // TOP
{
@ -663,8 +662,7 @@ namespace NLGUI
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;
_TrackPos = (1.0f-factor) * (hreal - _TrackSize);
}
}
@ -712,8 +710,7 @@ namespace NLGUI
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;
_TrackPos = factor * (getWReal()-_TrackSize);
}
else // RIGHT
{
@ -722,8 +719,7 @@ namespace NLGUI
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;
_TrackPos = (1.0f-factor) * (hreal - _TrackSize);
}
}
@ -930,8 +926,8 @@ namespace NLGUI
if ((getWReal()-_TrackSize) <= 0)
return 0;
sint32 newtpos;
sint32 tpos = _TrackPos;
float newtpos;
float tpos = _TrackPos;
sint32 tsize = _TrackSize;
// Limit the scroller to the defined area
@ -998,8 +994,8 @@ namespace NLGUI
if ((getHReal()-_TrackSize) <= 0)
return 0;
sint32 newtpos;
sint32 tpos = _TrackPos;
float newtpos;
float tpos = _TrackPos;
sint32 tsize = _TrackSize;
// Limit the scroller to the defined area
@ -1202,16 +1198,14 @@ namespace NLGUI
float factor = (float)(wReal-maxWReal);
factor = -(float)ofsX / factor;
clamp(factor, 0.f, 1.f);
factor = factor * (getWReal()-_TrackSize);
_TrackPos = (sint32)factor;
_TrackPos = factor * (getWReal()-_TrackSize);
}
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;
_TrackPos = (1.0f-factor) * (getWReal() - _TrackSize);
}
// invalidate only position. 1 pass is sufficient
@ -1240,8 +1234,7 @@ namespace NLGUI
float factor = (float)(hReal-maxHReal);
factor = -(float)ofsY / factor;
clamp(factor, 0.f, 1.f);
factor = factor * (getHReal()-_TrackSize);
_TrackPos = (sint32)factor;
_TrackPos = factor * (getHReal()-_TrackSize);
}
else // TOP
{
@ -1250,8 +1243,7 @@ namespace NLGUI
float factor = (float)(hReal-maxHReal);
factor = (float)ofsY / factor;
clamp(factor, 0.f, 1.f);
factor = (1.0f-factor) * (getHReal() - _TrackSize);
_TrackPos = (sint32)factor;
_TrackPos = (1.0f-factor) * (getHReal() - _TrackSize);
}
// invalidate only position. 1 pass is sufficient

52
code/nel/src/gui/group_scrolltext.cpp
View file

@ -40,6 +40,9 @@ namespace NLGUI
_Settuped(false),
_InvertScrollBar(true),
_ListHeight(0),
_Scrolling(false),
_ScrollDistance(0),
_ClockMsgEventRegistered(false),
_StartHeight(0),
_EllapsedTime(0)
{
@ -166,18 +169,63 @@ namespace NLGUI
{
if (isIn(eventDesc.getX(), eventDesc.getY()))
{
sint32 h = _List->getMaxHReal() / 2;
// limit scroll to 100px with single wheel event
sint32 h = std::min(100, _List->getMaxHReal() / 2);
if (h == 0) h = 1;
_ScrollBar->moveTargetY(- eventDesc.getWheel() * h);
smoothScrollY(- eventDesc.getWheel() * h);
return true;
}
}
}
}
if (event.getType() == NLGUI::CEventDescriptor::system)
{
if (_Scrolling && _ScrollBar)
{
float dy = _ScrollDistance / 4;
if ((sint32) dy != 0)
{
_ScrollBar->moveTargetY(dy);
_ScrollDistance -= dy;
}
else
{
_Scrolling = false;
if (_ClockMsgEventRegistered)
{
_ClockMsgEventRegistered = false;
CWidgetManager::getInstance()->unregisterClockMsgTarget(this);
}
}
}
}
if (CInterfaceGroup::handleEvent(event)) return true;
return false;
}
//========================================================================
void CGroupScrollText::smoothScrollY(sint32 dy)
{
if (!_Scrolling)
{
_Scrolling = true;
_ScrollDistance = 0;
// register for clock tick event if not already done
CWidgetManager *pWM = CWidgetManager::getInstance();
if (!pWM->isClockMsgTarget(this))
{
pWM->registerClockMsgTarget(this);
_ClockMsgEventRegistered = true;
}
}
_ScrollDistance += dy;
}
//========================================================================
void CGroupScrollText::setup()
{