void IGUIScrollBar::UpdatePosBoundaries()
{
if (m_Pos < 0.f ||
m_ScrollRange < m_ScrollSpace) // <= scrolling not applicable
m_Pos = 0.f;
else
if (m_Pos > GetMaxPos())
m_Pos = GetMaxPos();
}
void CGUIScrollBarVertical::SetPosFromMousePos(const CPos &mouse)
{
if (!GetStyle())
return;
/**
* Calculate the position for the top of the item being scrolled
*/
m_Pos = m_PosWhenPressed + GetMaxPos() * (mouse.y - m_BarPressedAtPos.y) / (m_Length - GetStyle()->m_Width * 2 - m_BarSize);
}
void InsertItem(int o,int L,int R,int u,int v,long long a,long long b)
{
if ((u<=L)&&(R<=v))
if (!Tree[o].has_item)
{
Tree[o].has_item=true;
Tree[o].a1=a+(long long)(L-u)*b;Tree[o].b1=b;
return;
}
else
{
long long new_max,old_max;
new_max=(long long)(R-u)*b+a;
old_max=(long long)(R-L)*Tree[o].b1+Tree[o].a1;
if (Tree[o].a1>=a+(long long)(L-u)*b)
{
if (old_max>=new_max) return;
int new_u=GetMaxPos(L,R,Tree[o].a1,Tree[o].b1,a+(long long)(L-u)*b,b,0)+1;
a=(long long)(new_u-u)*b+a;
u=new_u;
} else
if (old_max>=new_max)
{
v=GetMaxPos(L,R,Tree[o].a1,Tree[o].b1,a+(long long)(L-u)*b,b,1);
} else
{
Tree[o].a1=a+(long long)(L-u)*b;
Tree[o].b1=b;
return;
}
}
int mid=(L+R)/2;
if (u<=mid)
{
if (Tree[o].left==0) Tree[o].left=CreateNewNode();
InsertItem(Tree[o].left,L,mid,u,v,a,b);
}
if (v>mid)
{
if (Tree[o].right==0) Tree[o].right=CreateNewNode();
InsertItem(Tree[o].right,mid+1,R,u,v,a,b);
}
}
UInt32 TextInputMenu::SeekPosition(UInt32 fromPos, bool bBackwards, bool bSeekWordStart) const
{
if ((fromPos <= GetMinPos() && bBackwards) || (fromPos > GetMaxPos() && !bBackwards))
return fromPos; //bounds check
char curChar = bBackwards ? m_inputText[fromPos - 1] : m_inputText[fromPos];
if (bSeekWordStart || curChar == '<' || curChar == '>')
return FindWordBoundary(fromPos, bBackwards);
return fromPos + (bBackwards ? -1 : 1);
}
void CGUIScrollBarVertical::SetPosFromMousePos(const CPos& mouse)
{
if (!GetStyle())
return;
/**
* Calculate the position for the top of the item being scrolled
*/
float emptyBackground = m_Length - m_BarSize;
if (GetStyle()->m_UseEdgeButtons)
emptyBackground -= GetStyle()->m_Width * 2;
m_Pos = m_PosWhenPressed + GetMaxPos() * (mouse.y - m_BarPressedAtPos.y) / emptyBackground;
}
//returns -1 if code not handled, otherwise returns new insertion pos
UInt32 TextInputJournal::ResolveControlCode(UInt8 controlCode, UInt32 insertPos)
{
if (IsFull())
return -1;
UInt32 newPos = insertPos;
switch (controlCode)
{
case DIK_RETURN: //line break
newPos = InsertText(insertPos, kTagStrings[kHTMLTag_BR].c_str());
break;
case DIK_UP: //move to end of previous line
newPos = FindLineStart(insertPos);
if (newPos > GetMinPos())
newPos = SeekPosition(newPos, true, true);
break;
case DIK_DOWN: //move to start of next line
newPos = FindLineEnd(insertPos);
if (newPos <= GetMaxPos())
newPos = SeekPosition(newPos, false, true);
break;
case DIK_C: //align center
newPos = SetLineStartingTag(insertPos, kHTMLTag_DIV_Center);
break;
case DIK_L: //align left
newPos = SetLineStartingTag(insertPos, kHTMLTag_DIV_Left);
break;
case DIK_R: //align right
newPos = SetLineStartingTag(insertPos, kHTMLTag_DIV_Right);
break;
case DIK_1:
case DIK_2:
case DIK_3:
case DIK_4:
case DIK_5: //Change font
{
char fontNum = controlCode - DIK_1 + '1';
m_inputText[12] = fontNum;
break;
}
default:
newPos = -1;
}
return newPos;
}
UInt32 TextInputMenu::FindLineEnd(UInt32 fromPos) const
{
if (fromPos >= GetMaxPos())
return GetInputLength();
UInt32 lBracPos = fromPos;
while ( (lBracPos = m_inputText.find('<', lBracPos)) != std::string::npos )
{
if (GetHTMLTagType(lBracPos) != kHTMLTag_Other)
return lBracPos;
lBracPos++;
}
return GetInputLength();
}
UInt32 TextInputMenu::FindHTMLMatchedBracket(UInt32 startBracketPos, bool bBackwards) const
{
UInt32 endBracketPos;
if (bBackwards)
{
endBracketPos = m_inputText.rfind('<', startBracketPos);
if (endBracketPos == std::string::npos)
endBracketPos = m_minPos;
}
else
{
endBracketPos = m_inputText.find('>', startBracketPos);
if (endBracketPos == std::string::npos)
endBracketPos = GetMaxPos();
}
return endBracketPos;
}
CRect CGUIScrollBarVertical::GetBarRect() const
{
CRect ret;
if (!GetStyle())
return ret;
// Get from where the scroll area begins to where it ends
float from = m_Y;
float to = m_Y + m_Length - m_BarSize;
if (GetStyle()->m_UseEdgeButtons)
{
from += GetStyle()->m_Width;
to -= GetStyle()->m_Width;
}
// Setup rectangle
ret.top = from + (to - from) * (m_Pos / GetMaxPos());
ret.bottom = ret.top + m_BarSize;
ret.right = m_X + ((m_RightAligned)?(0.f):(GetStyle()->m_Width));
ret.left = ret.right - GetStyle()->m_Width;
return ret;
}
void CGUIScrollBarVertical::Draw()
{
if (!GetStyle())
{
LOGWARNING(L"Attempt to draw scrollbar without a style.");
return;
}
// Only draw the scrollbar if the GUI exists and there is something to scroll.
if (GetGUI() && GetMaxPos() != 1)
{
CRect outline = GetOuterRect();
// Draw background
GetGUI()->DrawSprite(GetStyle()->m_SpriteBackVertical,
0,
m_Z+0.1f,
CRect(outline.left,
outline.top+(m_UseEdgeButtons?GetStyle()->m_Width:0),
outline.right,
outline.bottom-(m_UseEdgeButtons?GetStyle()->m_Width:0))
);
if (m_UseEdgeButtons)
{
// Get Appropriate sprites
const CGUISpriteInstance *button_top, *button_bottom;
// figure out what sprite to use for top button
if (m_ButtonMinusHovered)
{
if (m_ButtonMinusPressed)
button_top = &GUI<>::FallBackSprite(GetStyle()->m_SpriteButtonTopPressed, GetStyle()->m_SpriteButtonTop);
else
button_top = &GUI<>::FallBackSprite(GetStyle()->m_SpriteButtonTopOver, GetStyle()->m_SpriteButtonTop);
}
else button_top = &GetStyle()->m_SpriteButtonTop;
// figure out what sprite to use for bottom button
if (m_ButtonPlusHovered)
{
if (m_ButtonPlusPressed)
button_bottom = &GUI<>::FallBackSprite(GetStyle()->m_SpriteButtonBottomPressed, GetStyle()->m_SpriteButtonBottom);
else
button_bottom = &GUI<>::FallBackSprite(GetStyle()->m_SpriteButtonBottomOver, GetStyle()->m_SpriteButtonBottom);
}
else button_bottom = &GetStyle()->m_SpriteButtonBottom;
// Draw top button
GetGUI()->DrawSprite(*button_top,
0,
m_Z+0.2f,
CRect(outline.left,
outline.top,
outline.right,
outline.top+GetStyle()->m_Width)
);
// Draw bottom button
GetGUI()->DrawSprite(*button_bottom,
0,
m_Z+0.2f,
CRect(outline.left,
outline.bottom-GetStyle()->m_Width,
outline.right,
outline.bottom)
);
}
// Draw bar
GetGUI()->DrawSprite(GetStyle()->m_SpriteBarVertical,
0,
m_Z + 0.2f,
GetBarRect());
}
}
