/// <summary>
/// Calculates bars and active bar's items location,sizes,... .
/// </summary>
private void CalculateBarInfo()
{
int barTop = 1;
using (Graphics g = this.CreateGraphics()){
//--- Calculate visible Bar's client rectangle
int visibleBarClientHeight = this.ClientSize.Height - (CalculateBarsHeight(g)) - 2 - 1;
//--- loop through all bars ------//
for (int i = 0; i < m_pBars.Count; i++)
{
Bar bar = this.Bars[i];
bar.BarClientRect = new Rectangle(0, 0, 0, 0);
//--- Calculate text rect Height
SizeF bSize = g.MeasureString(bar.Caption, bar.Font, this.ClientSize.Width - 2);
int barTextHeight = (int)(Math.Ceiling(bSize.Height));
int barHeight = barTextHeight + m_DefaultTextSpacing * 2;
//--- If upper bars ---------
if (i < m_ActiveBarIndex + 1)
{
bar.BarRect = new Rectangle(1, barTop, this.ClientSize.Width - 3, barHeight);
//--- If active bar
if (i == m_ActiveBarIndex)
{
bar.BarClientRect = new Rectangle(1, bar.BarRect.Bottom, this.Width - 2, visibleBarClientHeight);
m_ActiveBarClientRect = new Rectangle(1, bar.BarRect.Bottom, this.Width - 2, visibleBarClientHeight);
int top = bar.BarRect.Bottom + 3;
//--- Calculate items rect --------------------------//
for (int it = bar.FirstVisibleIndex; it < bar.Items.Count; it++)
{
Item item = bar.Items[it];
int itemWidth = this.Width - 3;
//--- Look if multiline text, if is add extra Height to item.
SizeF iSize = g.MeasureString(item.Caption, bar.ItemsFont, itemWidth);
int itemTextHeight = (int)(Math.Ceiling(iSize.Height));
item.Bounds = new Rectangle(1, top, itemWidth, 43 + itemTextHeight);
top += 43 + itemTextHeight + 1;
}
//---------------------------------------------------//
}
}
//--- If lower bars
else
{
bar.BarRect = new Rectangle(1, barTop + visibleBarClientHeight, this.Width - 3, barHeight);
}
barTop += barHeight + 1;
}
//--------------------------------//
}
}
protected override void OnMouseUp(System.Windows.Forms.MouseEventArgs e)
{
base.OnMouseUp(e);
if (e.Button != MouseButtons.Left)
{
return;
}
HitInfo hitInfo = new HitInfo(new Point(e.X, e.Y), this);
//--- If hitted bar is different than activeBar, set hittedBar as activeBar.
if (hitInfo.HittedObject == HittedObject.Bar && hitInfo.HittedBar.Index != m_ActiveBarIndex)
{
m_ActiveBarIndex = hitInfo.HittedBar.Index;
this.UpdateAll();
return;
}
//--- If item clicked
if (hitInfo.HittedObject == HittedObject.Item)
{
if (hitInfo.HittedItem.AllowStuck)
{
if (!hitInfo.HittedItem.Equals(m_StuckenItem))
{
Item oldItem = m_StuckenItem;
m_StuckenItem = hitInfo.HittedItem;
//--- Redraw old stucken item
if (oldItem != null && oldItem.Bar.IsItemVisible(oldItem))
{
using (Graphics g = this.CreateGraphics()){
g.SetClip(this.ActiveBar.BarClientRect);
DrawItem(g, oldItem, oldItem.Bar, false, false);
}
}
OnItemClicked(hitInfo.HittedItem);
}
}
else
{
OnItemClicked(hitInfo.HittedItem);
this.Invalidate();
}
}
//--- If up scroll button clicked
Bar activeBar = this.ActiveBar;
if (hitInfo.HittedObject == HittedObject.UpScrollButton)
{
activeBar.FirstVisibleIndex--;
this.UpdateAll();
return;
}
//--- If down scroll button clicked
if (hitInfo.HittedObject == HittedObject.DownScrollButton)
{
activeBar.FirstVisibleIndex++;
this.UpdateAll();
return;
}
// By default, redraw last hitted object
DrawObject(hitInfo, false);
}
private void DrawItem(Graphics g, Item item, Bar bar, bool hot, bool pressed)
{
SolidBrush textBrush = new SolidBrush(hot ? m_ViewStyle.BarItemHotTextColor : m_ViewStyle.BarItemTextColor);
if (hot || item.Equals(m_StuckenItem))
{
Rectangle iRect = new Rectangle(item.Bounds.Location, item.Bounds.Size);
ItemsStyle itemStyle = bar.ItemsStyle;
//--- If must use default item style ---------//
//--- First load from ViewStyle
if (bar.ItemsStyle == ItemsStyle.UseDefault)
{
itemStyle = m_ViewStyle.BarItemsStyle;
}
//--- If ViewStyle retuned UseDefault, set IconSelect as default
if (itemStyle == ItemsStyle.UseDefault)
{
itemStyle = ItemsStyle.IconSelect;
}
//-------------------------------------------//
//--- If item style is IconSelect
if (itemStyle == ItemsStyle.IconSelect)
{
iRect = new Rectangle(((this.Width - 32) / 2) - 1, item.Bounds.Y + 2, 34, 34);
}
//------- Draw item -----------------------------------------------------------//
//--- if not stucken(selected) item
if (!item.Equals(m_StuckenItem))
{
if (pressed)
{
g.FillRectangle(new SolidBrush(m_ViewStyle.BarItemPressedColor), iRect);
}
else
{
g.FillRectangle(new SolidBrush(m_ViewStyle.BarItemHotColor), iRect);
}
}
else //---- If stucken(selected) item
{
g.FillRectangle(new SolidBrush(m_ViewStyle.BarItemSelectedColor), iRect);
textBrush = new SolidBrush(m_ViewStyle.BarItemSelectedTextColor);
}
// Draw border
g.DrawRectangle(new Pen(m_ViewStyle.BarItemBorderHotColor), iRect);
//----------------------------------------------------------------------------//
}
else
{
g.FillRectangle(new SolidBrush(m_ViewStyle.BarClientAreaColor), item.Bounds.X, item.Bounds.Y, item.Bounds.Width + 1, item.Bounds.Height + 1);
}
//---- Draw image ---------------------------//
Rectangle imgRect = new Rectangle((this.Width - 32) / 2, item.Bounds.Y + 4, 32, 32);
if (item.ImageIndex > -1 && this.ImageList != null && item.ImageIndex < this.ImageList.Images.Count)
{
g.DrawImage(ImageList.Images[item.ImageIndex], imgRect);
}
//--------------------------------------------//
//---- Draw items text ---------------------------------------------------------------//
Rectangle txtRect = new Rectangle(item.Bounds.X + 2, imgRect.Bottom + 3, item.Bounds.Width, item.Bounds.Bottom - imgRect.Bottom + 3);
g.DrawString(item.Caption, bar.ItemsFont, textBrush, txtRect, bar.ItemsStringFormat);
//-------------------------------------------------------------------------------------//
}