void FlowLayout::updateLayout(const MFUnrecComponentPtr* Components, const Component* ParentComponent) const
{
/*!
totalMajorAxis will hold the width of its container, and cumMajorAxis
will hold the width of all of the buttons. That way it will always know
when to move to the next line. In addition, maxMinorAxis keeps track of
the largest height so it knows how far down to move the next row. Also,
oneInRow is used to make sure that it places at least one component in
every row.
*/
UInt32 AxisIndex(0);
if(getOrientation() != HORIZONTAL_ORIENTATION ) AxisIndex = 1;
Vec2f gap(getHorizontalGap(), getVerticalGap());
UInt32 numGaps(0);
/*!
When finding the cumMinor Axis, the gap is included, because there is
no count for how many stacks there are. When finding cumMajor, the
gap isn't included because the total distance relies on how many
components there are in that row/column.
*/
Pnt2f borderTopLeft, borderBottomRight;
dynamic_cast<const ComponentContainer*>(ParentComponent)->getInsideInsetsBounds(borderTopLeft, borderBottomRight);
Vec2f borderSize(borderBottomRight-borderTopLeft);
Real64 totalMajorAxis(borderSize[AxisIndex]);
Real32 cumMajorAxis(0);
Real32 maxMinorAxis(0);
Real32 cumMinorAxis(0);
Real32 prevComponent(0);
Real64 offsetMajorAxis(0);
Real64 offsetMinorAxis(0);
Real64 offsetX(borderTopLeft.x());
Real64 offsetY(borderTopLeft.y());
bool firstOne = true;
for(UInt32 i=0 ; i<Components->size(); ++i)
{
}
for(UInt32 i=0 ; i<Components->size(); ++i)
{
// set the component to its preferred size
(*Components)[i]->setSize(getAppropriateComponentSize((*Components)[i]));
// if there is only one so far, then it can't draw it using cumMajorAxis
// because it hasn't been set yet
if (firstOne) // this one might draw it
{
firstOne = false;
// if this is the last component or it is already too big for the
// container, draw it centered on its line
if (i == Components->size() || (*Components)[i]->getSize()[AxisIndex] >= totalMajorAxis)
{
// find how far to translate to make it properly aligned
offsetMajorAxis = getMajorAxisAlignment()*(totalMajorAxis - (*Components)[i]->getSize()[AxisIndex]);
if (AxisIndex)
{
offsetY+= offsetMajorAxis;
}
else
{
offsetX += offsetMajorAxis;
}
(*Components)[i]->setPosition(Pnt2f(offsetX, offsetY));
// get to the next row
if (AxisIndex)
{
offsetX += (*Components)[i]->getSize()[(AxisIndex+1)%2]+gap[(AxisIndex+1)%2];
offsetY += -offsetMajorAxis;
}
else
{
offsetX += -offsetMajorAxis;
offsetY += (*Components)[i]->getSize()[(AxisIndex+1)%2]+gap[(AxisIndex+1)%2];
}
// update cumMinorAxis, other values should still be at 0
cumMinorAxis += (*Components)[i]->getSize()[(AxisIndex+1)%2];
if(i < Components->size()-1)
{
cumMinorAxis += gap[(AxisIndex+1)%2];
}
// update prevComponent
prevComponent++;
// next component is still just like the first one
firstOne = true;
}
else
{
// update the maxMinorAxis
maxMinorAxis = (*Components)[i]->getSize()[(AxisIndex+1)%2];
// update cumMajorAxis
cumMajorAxis += (*Components)[i]->getSize()[AxisIndex];
}
}
else if (cumMajorAxis + (*Components)[i]->getSize()[AxisIndex] + gap[AxisIndex]*(i-prevComponent) > totalMajorAxis) // this one draws up to i
{
// The numGaps is one less than the number of components being drawn, but it
// is actually translates once for each component, so it must be compensated
// when returning to the next row.
numGaps = i-prevComponent-1;
// find how far to translate to make it properly aligned
offsetMajorAxis = getMajorAxisAlignment()*(totalMajorAxis - (cumMajorAxis+numGaps*gap[AxisIndex]));
if (AxisIndex){
offsetY += offsetMajorAxis;
}
else
{
offsetX += offsetMajorAxis;
}
for (int j = prevComponent; j < i; j++)
{
// find how far to translate to make this button properly aligned
offsetMinorAxis = (maxMinorAxis-(*Components)[j]->getSize()[(AxisIndex+1)%2])*getComponentAlignment();
// translate to make it properly aligned
if (AxisIndex)
{
offsetX += offsetMinorAxis;
}
else
{
offsetY += offsetMinorAxis;
}
(*Components)[j]->setPosition(Pnt2f(offsetX, offsetY));
// translate to next button
if (AxisIndex)
{
offsetX+=-(Real64)offsetMinorAxis;
offsetY+= (*Components)[j]->getSize()[AxisIndex] + gap[AxisIndex];
}
else
{
offsetX+=(*Components)[j]->getSize()[AxisIndex] + gap[AxisIndex];
offsetY+= -offsetMinorAxis;
}
}
// translate to the next row
if (AxisIndex)
{
offsetX += maxMinorAxis+gap[(AxisIndex+1)%2];
offsetY += -(offsetMajorAxis+cumMajorAxis+(numGaps+1)*gap[AxisIndex]);
}
else
{
offsetX += -(offsetMajorAxis+cumMajorAxis+(numGaps+1)*gap[AxisIndex]);
offsetY += maxMinorAxis+gap[(AxisIndex+1)%2];
}
cumMinorAxis += maxMinorAxis + gap[(AxisIndex+1)%2];
maxMinorAxis = (*Components)[i]->getSize()[(AxisIndex+1)%2];
prevComponent = i;
cumMajorAxis = (*Components)[i]->getSize()[AxisIndex];
}
else
{
// update the maxMinorAxis
if ((*Components)[i]->getSize()[(AxisIndex+1)%2] > maxMinorAxis)
maxMinorAxis = (*Components)[i]->getSize()[(AxisIndex+1)%2];
// update cumMajorAxis
cumMajorAxis += (*Components)[i]->getSize()[AxisIndex];
}
if (i+1 == Components->size() && !firstOne) // if on the last one, draw the last buttons
{
numGaps = i-prevComponent;
// find how far to translate to make it properly aligned
offsetMajorAxis = getMajorAxisAlignment()*(totalMajorAxis - (cumMajorAxis+numGaps*gap[AxisIndex]));
if (AxisIndex)
{
offsetY += offsetMajorAxis;
}
else
{
offsetX += offsetMajorAxis;
}
for (int j = prevComponent; j < i+1; j++)
{
// find how far to translate to make this button properly aligned
offsetMinorAxis = (maxMinorAxis-(*Components)[j]->getSize()[(AxisIndex+1)%2])*getComponentAlignment();
// translate to make it properly aligned
if (AxisIndex)
{
offsetX += offsetMinorAxis;
}
else
{
offsetY += offsetMinorAxis;
}
(*Components)[j]->setPosition(Pnt2f(offsetX, offsetY));
if (AxisIndex)
{
offsetX += -(Real64)offsetMinorAxis;
offsetY += (*Components)[j]->getSize()[AxisIndex] + gap[AxisIndex];
}
else
{
offsetX += (*Components)[j]->getSize()[AxisIndex] + gap[AxisIndex];
offsetY+= -(Real64)offsetMinorAxis;
}
}
// translate to the next row
if (AxisIndex)
{
offsetX += maxMinorAxis+gap[(AxisIndex+1)%2];
offsetY += -(offsetMajorAxis+cumMajorAxis+(numGaps+1)*gap[AxisIndex]);
}
else
{
offsetX += -(offsetMajorAxis+cumMajorAxis+(numGaps+1)*gap[AxisIndex]);
offsetY += maxMinorAxis+gap[(AxisIndex+1)%2];
}
cumMinorAxis += maxMinorAxis;
}
}
//Minor Axis Alignment
Real32 displacement(borderSize[(AxisIndex+1)%2]-cumMinorAxis);
Pnt2f offset;
displacement *= getMinorAxisAlignment();
for (UInt32 i = 0; i < Components->size(); ++i)
{
offset = (*Components)[i]->getPosition();
offset[(AxisIndex+1)%2] += displacement;
(*Components)[i]->setPosition(offset);
}
for(UInt32 i=0 ; i<Components->size(); ++i)
{
}
}
void TabPanel::updateLayout(void)
{
Pnt2f InsideInsetsTopLeft,InsideInsetsBottomRight;
getInsideInsetsBounds(InsideInsetsTopLeft,InsideInsetsBottomRight);
UInt16 AxisIndex(0);
if (getTabPlacement() == PLACEMENT_EAST || getTabPlacement() == PLACEMENT_WEST)
{
AxisIndex=1;
}
Real32 largestMinorAxis(0.0f);
Real32 cumMajorAxis(0.0f);
Pnt2f alignOffset(0.0f,0.0f);
Vec2f offset(0.0f,0.0f);
Vec2f TabBorderTopLeftWidth, TabBorderBottomRightWidth;
calculateMaxTabBorderLengths(TabBorderTopLeftWidth[0], TabBorderBottomRightWidth[0],TabBorderTopLeftWidth[1], TabBorderBottomRightWidth[1]);
// first layout all of the tabs
// naturally the alignments and such is necessary
// on the first sweep, get the maximum size and cumLength
const Real32 TabMajorAxisSpacing(5.0f);
Vec2f TabReqSize;
for (UInt32 i=0; i < getMFTabs()->size(); ++i)
{
TabReqSize = getTabs(i)->getRequestedSize() + Vec2f(getTabBorderInsets().x() + getTabBorderInsets().y(),
getTabBorderInsets().z() + getTabBorderInsets().w());
cumMajorAxis += TabReqSize[AxisIndex];
if (TabReqSize[(AxisIndex+1)%2] > largestMinorAxis)
{
largestMinorAxis = TabReqSize[(AxisIndex+1)%2];
}
}
cumMajorAxis += TabMajorAxisSpacing * 2.0f * getMFTabs()->size();
cumMajorAxis += static_cast<Real32>(getMFTabs()->size()) * (TabBorderTopLeftWidth[AxisIndex] + TabBorderBottomRightWidth[AxisIndex]);
largestMinorAxis += (TabBorderTopLeftWidth[(AxisIndex+1)%2] + TabBorderBottomRightWidth[(AxisIndex+1)%2]);
// set up the alignment and offset
Vec2f TabSize;
TabSize[AxisIndex] = cumMajorAxis;
TabSize[(AxisIndex+1)%2] = largestMinorAxis;
Vec2f Alignment;
Alignment[(AxisIndex+1)%2] = getTabAlignment();
switch(getTabPlacement())
{
case PLACEMENT_SOUTH:
case PLACEMENT_EAST:
Alignment[AxisIndex] = 1.0;
break;
case PLACEMENT_NORTH:
case PLACEMENT_WEST:
Alignment[AxisIndex] = 0.0;
break;
}
alignOffset = calculateAlignment(InsideInsetsTopLeft, (InsideInsetsBottomRight-InsideInsetsTopLeft),TabSize,Alignment.x(),Alignment.y());
offset = Vec2f(InsideInsetsTopLeft);
offset[(AxisIndex+1)%2] += TabBorderTopLeftWidth[(AxisIndex+1)%2];
// set sizes and positions of all tabs
Vec2f Size;
Pnt2f Pos;
for (UInt32 i=0; i < getMFTabs()->size(); ++i)
{
offset[AxisIndex] += TabBorderTopLeftWidth[AxisIndex];
Size = getTabs(i)->getRequestedSize() + Vec2f(getTabBorderInsets().x() + getTabBorderInsets().y(),
getTabBorderInsets().z() + getTabBorderInsets().w());
if(getTabs(i)->getSize() != Size)
{
getTabs(i)->setSize(Size);
}
Pos = alignOffset + offset;
if(getTabs(i)->getPosition() != Pos)
{
getTabs(i)->setPosition(Pos);
}
offset[AxisIndex] += getTabs(i)->getSize()[AxisIndex] + TabBorderBottomRightWidth[AxisIndex];
}
if((getSelectedIndex()+1) > getMFTabContents()->size())
{
setSelectedIndex(getMFTabContents()->size()-1);
}
if(getMFTabContents()->size() > 0 && getSelectedIndex() != -1)
{
Vec2f ContentBorderTopLeftWidth, ContentBorderBottomRightWidth;
calculateContentBorderLengths(getContentBorder(), ContentBorderTopLeftWidth[0], ContentBorderBottomRightWidth[0],ContentBorderTopLeftWidth[1], ContentBorderBottomRightWidth[1]);
// now set size and position of the active tab's contents
offset = Vec2f(InsideInsetsTopLeft);
if (getTabPlacement() == PLACEMENT_NORTH || getTabPlacement() == PLACEMENT_WEST)
{
offset[(AxisIndex+1)%2] += largestMinorAxis;
}
Size = InsideInsetsBottomRight-InsideInsetsTopLeft-(ContentBorderTopLeftWidth + ContentBorderBottomRightWidth);
Size[(AxisIndex+1)%2] -= TabSize[(AxisIndex+1)%2];
if(getTabContents(getSelectedIndex())->getSize() != Size)
{
getTabContents(getSelectedIndex())->setSize(Size);
}
Pos = Pnt2f(0.0f,0.0f) + offset + ContentBorderTopLeftWidth;
if(getTabContents(getSelectedIndex())->getPosition() != Pos)
{
getTabContents(getSelectedIndex())->setPosition(Pos);
}
}
}
