/// <summary>
/// Render the caret.
/// </summary>
/// <param name="textArea"></param>
protected void CacheCaretImagery(Rectf textArea)
{
var w = (MultiLineEditbox)Window;
var fnt = w.GetFont();
// require a font so that we can calculate caret position.
if (fnt != null)
{
// get line that caret is in
var caretLine = w.GetLineNumberFromIndex(w.GetCaretIndex());
var lines = w.GetFormattedLines();
// if caret line is valid.
if (caretLine < lines.Count)
{
// calculate pixel offsets to where caret should be drawn
var caretLineIdx = w.GetCaretIndex() - lines[caretLine].d_startIdx;
var ypos = caretLine * fnt.GetLineSpacing();
var xpos = fnt.GetTextAdvance(w.GetText().CEGuiSubstring(lines[caretLine].d_startIdx, caretLineIdx));
//// get base offset to target layer for cursor.
//Renderer* renderer = System::getSingleton().getRenderer();
//float baseZ = renderer->getZLayer(7) - renderer->getCurrentZ();
// get WidgetLookFeel for the assigned look.
var wlf = GetLookNFeel();
// get caret imagery
var caretImagery = wlf.GetImagerySection("Caret");
// calculate finat destination area for caret
var caretArea = new Rectf
{
Left = textArea.Left + xpos,
Top = textArea.Top + ypos,
Width = caretImagery.GetBoundingRect(w).Size.Width,
Height = fnt.GetLineSpacing()
};
caretArea.Offset(new Lunatics.Mathematics.Vector2(-w.GetHorzScrollbar().GetScrollPosition(),
-w.GetVertScrollbar().GetScrollPosition()));
// Create the render geometry for the caret image
caretImagery.Render(w, caretArea, null, textArea);
}
}
}
public override void CreateRenderGeometry()
{
var w = (ListHeaderSegment)Window;
// get WidgetLookFeel for the assigned look.
var wlf = GetLookNFeel();
StateImagery imagery;
// get imagery for main state.
if (w.IsEffectiveDisabled())
{
imagery = wlf.GetStateImagery("Disabled");
}
else if ((w.IsSegmentHovering() != w.IsSegmentPushed()) && !w.IsSplitterHovering() && w.IsClickable())
{
imagery = wlf.GetStateImagery("Hover");
}
else if (w.IsSplitterHovering())
{
imagery = wlf.GetStateImagery("SplitterHover");
}
else
{
imagery = wlf.GetStateImagery("Normal");
}
// do main rendering
imagery.Render(w);
// Render sorting icon as needed
var sortDir = w.GetSortDirection();
if (sortDir == ListHeaderSegment.SortDirection.Ascending)
{
imagery = wlf.GetStateImagery("AscendingSortIcon");
imagery.Render(w);
}
else if (sortDir == ListHeaderSegment.SortDirection.Descending)
{
imagery = wlf.GetStateImagery("DescendingSortIcon");
imagery.Render(w);
}
// draw ghost copy if the segment is being dragged.
if (w.IsBeingDragMoved())
{
var pixelSize = w.GetPixelSize();
var targetArea = new Rectf(0, 0, pixelSize.Width, pixelSize.Height);
targetArea.Offset(w.GetDragMoveOffset());
imagery = wlf.GetStateImagery("DragGhost");
imagery.Render(w, targetArea);
// Render sorting icon as needed
if (sortDir == ListHeaderSegment.SortDirection.Ascending)
{
imagery = wlf.GetStateImagery("GhostAscendingSortIcon");
imagery.Render(w, targetArea);
}
else if (sortDir == ListHeaderSegment.SortDirection.Descending)
{
imagery = wlf.GetStateImagery("GhostDescendingSortIcon");
imagery.Render(w, targetArea);
}
}
}
