/// <summary>
/// obtenir l'index du sous la souris
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <returns></returns>
public int GetTabUnderMouse(int x, int y)
{
if (TabOrientation == TabOrientation.Right)
{
int oldX = x;
x = y;
y = this.ClientRectangle.Width - oldX;
}
else if (TabOrientation == TabOrientation.Left)
{
int oldY = y;
y = x;
x = this.ClientRectangle.Height - oldY;
}
if (SelectedIndex >= 0 && SelectedIndex < Tabs.Count)
{
GeniusTab tab = Tabs[SelectedIndex];
if (tab.PathOffset != null && tab.PathOffset.IsVisible(x, y))
{
return(SelectedIndex);
}
}
for (int index = StartIndex; x >= 0 && index < Tabs.Count; index++)
{
GeniusTab tab = Tabs[index];
if (tab.PathOffset != null && tab.PathOffset.IsVisible(x, y))
{
return(index);
}
}
return(-1);
}
private void RecalcTabPath(GeniusTab aTab)
{
if (aTab != null)
{
using (Graphics g = this.CreateGraphics())
{
string sText = aTab.Text;
SizeF size = g.MeasureString(sText, this.Font);
aTab.Path = TabPath(Hauteur, Size.Truncate(size).Width + 3);
}
}
else
{
foreach (GeniusTab tab in Tabs)
{
RecalcTabPath(tab);
}
}
}
private void DrawTab(GeniusTab tab, Graphics g, int hauteur, bool isSelected)
{
//pas de dessin du tab, s'il n'est pas entier, sauf pour le premier
if (tab.PathOffset == null || (tab.PathOffset.GetBounds().Right > GetRight && tab != Tabs[StartIndex]))
{
return;
}
string sText = tab.Text;
SizeF size = g.MeasureString(sText, this.Font);
RectangleF r = Rectangle.Empty;
r = tab.PathOffset.GetBounds();
Color unselectedColor = FUnSelectedColor;
if (FUseTabColor)
{
unselectedColor = tab.Color;
}
using (Pen p = new Pen(isSelected ? FSelectedColor : unselectedColor))
{
using (Brush b = new SolidBrush(isSelected ? FSelectedColor : unselectedColor))
{
g.FillPath(b, tab.PathOffset);
g.DrawLine(p, r.Left, r.Bottom, r.Right, r.Bottom);
}
}
using (Pen p = new Pen(isSelected ? FSelectedLineColor : FUnSelectedLineColor))
{
g.DrawPath(p, tab.PathOffset);
if (isSelected)
{
g.DrawLine(p, 0, r.Bottom, r.Left, r.Bottom);
g.DrawLine(p, r.Right, r.Bottom, GetRight, r.Bottom);
}
}
using (var brush = new SolidBrush(this.ForeColor))
{
g.DrawString(sText, this.Font, brush, r.Left + hauteur, (GetHeight - size.Height) / 2);
}
}
private void RecalcTabRect()
{
if (Tabs.Count == 0)
{
return;
}
GeniusTab tab = Tabs[StartIndex];
if (tab.Path == null)
{
return;
}
tab.PathOffset = (GraphicsPath)tab.Path.Clone();
using (Matrix m = new Matrix())
{
m.Translate(0, FTopMargin);
tab.PathOffset.Transform(m);
}
int hauteur = Hauteur;
float w = tab.Width - hauteur / 2;
for (int i = StartIndex - 1; i > 0; i--)
{
Tabs[i].PathOffset = null;
}
for (int i = StartIndex + 1; i < Tabs.Count; i++)
{
tab = Tabs[i];
tab.PathOffset = (GraphicsPath)tab.Path.Clone();
using (Matrix m = new Matrix())
{
m.Translate(w, FTopMargin);
tab.PathOffset.Transform(m);
}
w += tab.Width - hauteur / 2;
}
}
/// <summary>
/// ajout d'un tab
/// </summary>
/// <param name="aTab"></param>
/// <returns></returns>
public int Add(GeniusTab aTab)
{
return(this.InnerList.Add(aTab));
}
/// <summary>
/// dessin des tabs
/// </summary>
/// <param name="e"></param>
protected override void OnPaint(PaintEventArgs e)
{
try
{
bool recalcPathOffset = false;
if (this.Count <= 0)
{
return;
}
int hauteur = Hauteur;
//calcul du path
foreach (GeniusTab tab in this.Tabs)
{
if (tab.DocTabs == null)
{
tab.DocTabs = this;
}
if (tab.Path == null)
{
RecalcTabPath(tab);
recalcPathOffset = true;
}
}
if (recalcPathOffset)
{
RecalcTabRect();
}
if (FOrientation == TabOrientation.Right)
{
using (Matrix m = new Matrix())
{
m.Translate(this.ClientRectangle.Width, 0);
m.Rotate(90);
e.Graphics.Transform = m;
}
}
else if (FOrientation == TabOrientation.Left)
{
using (Matrix m = new Matrix())
{
m.Translate(0, this.ClientRectangle.Height);
m.Rotate(270);
e.Graphics.Transform = m;
}
}
for (int i = Tabs.Count - 1; i >= StartIndex; i--)
{
GeniusTab tab = Tabs[i];
if (i == SelectedIndex)
{
continue;
}
DrawTab(Tabs[i], e.Graphics, hauteur, false);
}
if (SelectedIndex >= 0)
{
GeniusTab tab = Tabs[SelectedIndex];
DrawTab(tab, e.Graphics, hauteur, true);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.ToString());
Trace.TraceError("OnPaint error : {0}", ex);
}
}
