protected override void OnMouseUp(MouseEventArgs e)
{
try
{
bool handled = this.HandleMenuGlipMouseUp(e);
handled |= this.HandleCloseButtonMouseUp(e);
handled |= this.HandleTabDetach(e);
// It is highly important to call this method after the above ones
// to avoid messing up the tab order.
this.HandleTablItemMouseUpActions(e);
if (!handled)
{
base.OnMouseUp(e);
}
}
catch (Exception exception)
{
Debug.WriteLine(exception);
}
finally
{
this.tabAtMouseDown = null;
this.mouseDownAtMenuGliph = false;
this.mouseDownAtCloseGliph = false;
this.movePreview.Hide();
}
}
private void OnCalcTabPage(Graphics g, TabControlItem currentItem)
{
Font currentFont = this.Font;
if (currentItem == this.SelectedItem)
{
currentFont = new Font(this.Font, FontStyle.Bold);
}
SizeF textSize = g.MeasureString(currentItem.Title, currentFont, new SizeF(200, 10), this.sf);
textSize.Width += 20;
if (this.RightToLeft == RightToLeft.No)
{
RectangleF buttonRect = new RectangleF(this.startPosition, 3, textSize.Width, 17);
currentItem.StripRect = buttonRect;
this.startPosition += (int)textSize.Width;
}
else
{
RectangleF buttonRect = new RectangleF(this.startPosition - textSize.Width + 1, 3, textSize.Width - 1, 17);
currentItem.StripRect = buttonRect;
this.startPosition -= (int)textSize.Width;
}
}
private void HandleMouseInTitle(MouseEventArgs e)
{
TabControlItem item = this.GetTabItemByPoint(e.Location);
if (item != null)
{
var inTitle = item.LocationIsInTitle(e.Location);
TabControlMouseOnTitleEventArgs args = new TabControlMouseOnTitleEventArgs(item);
if (inTitle)
{
this.OnTabControlMouseOnTitle(args);
if (!this.mouseEnteredTitle)
{
this.mouseEnteredTitle = true;
this.OnTabControlMouseEnteredTitle(args);
}
}
else if (this.mouseEnteredTitle)
{
this.mouseEnteredTitle = false;
this.OnTabControlMouseLeftTitle(args);
}
}
}
protected override void OnInsertComplete(int index, object item)
{
TabControlItem itm = item as TabControlItem;
itm.Changed += new EventHandler(this.OnItem_Changed);
this.OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Add, item));
}
public void Remove(TabControlItem item)
{
if (this.List.Contains(item))
{
this.List.Remove(item);
}
}
public void Add(TabControlItem item)
{
if (!this.List.Contains(item))
{
this.List.Add(item);
}
}
protected override void OnMouseDown(MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
this.mouseDownPoint = e.Location;
this.tabAtMouseDown = this.GetTabItemByPoint(this.mouseDownPoint);
// Show Tabs menu
if (this.MouseIsOnMenuGliph(e))
{
this.mouseDownAtMenuGliph = true;
}
// close by click on close button
if (this.MouseIsOnCloseButton(e))
{
this.mouseDownAtCloseGliph = true;
}
}
// custom handling
if (!this.mouseDownAtCloseGliph && !this.mouseDownAtMenuGliph && this.tabAtMouseDown == null)
{
base.OnMouseDown(e);
}
this.Invalidate();
}
private void SwapTabItems(int mouseX, TabControlItem upItem)
{
int downIndex = this.Items.IndexOf(this.tabAtMouseDown);
int newIndex = this.Items.IndexOf(upItem);
int upCentre = 48 + newIndex * 87;
if (downIndex < newIndex)
{
newIndex--;
upCentre += 10;
}
if (mouseX >= upCentre)
{
newIndex++;
}
if (newIndex > this.Items.Count - 1)
{
newIndex = this.Items.Count - 1;
}
if (newIndex <= 0)
{
newIndex = 0;
}
this.Items.Remove(this.tabAtMouseDown);
this.Items.Insert(newIndex, this.tabAtMouseDown);
}
protected override void OnRemove(int index, object item)
{
base.OnRemove(index, item);
TabControlItem itm = item as TabControlItem;
itm.Changed -= new EventHandler(this.OnItem_Changed);
this.OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Remove, item));
}
public void Insert(int index, TabControlItem item)
{
if (this.Contains(item))
{
return;
}
this.List.Insert(index, item);
}
private void UpdateAttachedTabTitle(KeyValuePair <string, FavoriteConfigurationElement> updated)
{
TabControlItem attachedTab = this.FindAttachedTab(updated);
if (attachedTab != null)
{
attachedTab.Title = updated.Value.Name;
}
}
private void UpdateSize(TabControlItem tabControlItem)
{
RectangleF tabRectangle = tabControlItem.StripRect;
// two pixels to add right mergin
// tab doesnt have to be first, so include all on left side
int imageDistance = this.imageDetach.Width + 4;
this.Width = (int)(tabRectangle.Width + tabRectangle.Left) + imageDistance;
this.Height = (int)(tabRectangle.Height + tabRectangle.Top);
}
private void UpdateSize(TabControlItem tabControlItem)
{
RectangleF tabRectangle = tabControlItem.StripRect;
// two pixels to add right mergin
// tab doesnt have to be first, so include all on left side
int imageDistance = this.imageDetach.Width + 4;
this.Width = (int)(tabRectangle.Width + tabRectangle.Left) + imageDistance;
this.Height = (int)(tabRectangle.Height + tabRectangle.Top);
}
private void OnMenuItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
TabControlItem clickedItem = (TabControlItem)e.ClickedItem.Tag;
if (clickedItem != null)
{
this.SelectedItem = clickedItem;
this.Items.MoveTo(0, clickedItem);
}
}
public void AddTab(TabControlItem tabItem)
{
// Add a tabpage to the first position
if (Settings.InvertTabPageOrder)
this.Items.Insert(0, tabItem);
// Add a tabpage to the last position in the sequence
else
this.Items.Add(tabItem);
tabItem.Dock = DockStyle.Fill;
}
internal void Show(TabControlItem tabControlItem)
{
this.selectedTabItem = tabControlItem;
this.UpdateSize(tabControlItem);
if (!this.Visible)
{
this.Show(); // this grabs the fucus, which we have to return
Form parentForm = this.tabControl.FindForm();
if (parentForm != null)
parentForm.Focus();
}
}
private void SetDefaultSelected()
{
if (this.selectedItem == null && this.Items.Count > 0)
{
this.SelectedItem = this.Items[0];
}
for (int i = 0; i < this.Items.Count; i++)
{
TabControlItem itm = this.Items[i];
itm.Dock = DockStyle.Fill;
}
}
public TabControlItem MoveTo(int newIndex, TabControlItem item)
{
int currentIndex = this.List.IndexOf(item);
if (currentIndex >= 0)
{
this.RemoveAt(currentIndex);
this.Insert(newIndex, item);
return(item);
}
return(null);
}
internal void Show(TabControlItem tabControlItem)
{
this.selectedTabItem = tabControlItem;
this.UpdateSize(tabControlItem);
if (!this.Visible)
{
this.Show(); // this grabs the fucus, which we have to return
Form parentForm = this.tabControl.FindForm();
if (parentForm != null)
{
parentForm.Focus();
}
}
}
private void HandleTablItemMouseUpActions(MouseEventArgs e)
{
if (this.tabAtMouseDown != null)
{
TabControlItem upItem = this.GetTabItemByPoint(e.Location);
if (upItem != null && upItem == this.tabAtMouseDown)
{
this.SelectedItem = upItem;
}
else
{
this.SwapTabItems(e.X, upItem);
}
}
}
public void CloseTab(TabControlItem tabItem)
{
if (tabItem != null)
{
this.SelectedItem = tabItem;
TabControlItemClosingEventArgs args = new TabControlItemClosingEventArgs();
this.OnTabControlItemClosing(args);
if (this.SelectedItem != null && !args.Cancel && this.SelectedItem.CanClose)
{
this.RemoveTab(this.SelectedItem);
this.OnTabControlItemClosed(EventArgs.Empty);
}
}
}
public void AddTab(TabControlItem tabItem)
{
// Add a tabpage to the first position
if (Settings.InvertTabPageOrder)
{
this.Items.Insert(0, tabItem);
}
// Add a tabpage to the last position in the sequence
else
{
this.Items.Add(tabItem);
}
tabItem.Dock = DockStyle.Fill;
}
public TabControlItem GetTabItemByPoint(Point pt)
{
TabControlItem item = null;
for (int i = 0; i < this.Items.Count; i++)
{
TabControlItem current = this.Items[i];
if (current.StripRect.Contains(pt))
{
item = current;
}
}
return(item);
}
public void RemoveTab(TabControlItem tabItem)
{
int tabIndex = this.Items.IndexOf(tabItem);
bool wasSelected = tabItem.Selected;
if (tabIndex >= 0)
{
this.UnSelectItem(tabItem);
this.Items.Remove(tabItem);
}
if (wasSelected)
{
if (this.Items.Count > 0)
{
if (this.RightToLeft == RightToLeft.No)
{
if (this.Items[tabIndex - 1] != null)
{
this.SelectedItem = this.Items[tabIndex - 1];
}
else
{
this.SelectedItem = this.Items.FirstVisible;
}
}
else
{
if (this.Items[tabIndex + 1] != null)
{
this.SelectedItem = this.Items[tabIndex + 1];
}
else
{
this.SelectedItem = this.Items.LastVisible;
}
}
}
else
{
this.SelectedItem = null;
}
}
}
public void RemoveTab(TabControlItem tabItem)
{
int tabIndex = this.Items.IndexOf(tabItem);
bool wasSelected = tabItem.Selected;
if (tabIndex >= 0)
{
this.UnSelectItem(tabItem);
this.Items.Remove(tabItem);
}
if (wasSelected)
{
if (this.Items.Count > 0)
{
if (this.RightToLeft == RightToLeft.No)
{
if (this.Items[tabIndex - 1] != null)
{
this.SelectedItem = this.Items[tabIndex - 1];
}
else
{
this.SelectedItem = this.Items.FirstVisible;
}
}
else
{
if (this.Items[tabIndex + 1] != null)
{
this.SelectedItem = this.Items[tabIndex + 1];
}
else
{
this.SelectedItem = this.Items.LastVisible;
}
}
}
else
this.SelectedItem = null;
}
}
private bool AllowDraw(TabControlItem item)
{
bool result = true;
if (this.RightToLeft == RightToLeft.No)
{
if (item.StripRect.Right >= this.stripButtonRect.Width)
{
result = false;
}
}
else
{
if (item.StripRect.Left <= this.stripButtonRect.Left)
{
return(false);
}
}
return(result);
}
private void OnCollectionChanged(object sender, CollectionChangeEventArgs e)
{
TabControlItem itm = (TabControlItem)e.Element;
if (e.Action == CollectionChangeAction.Add)
{
this.Controls.Add(itm);
this.OnTabControlItemChanged(new TabControlItemChangedEventArgs(itm));
}
else if (e.Action == CollectionChangeAction.Remove)
{
this.Controls.Remove(itm);
this.OnTabControlItemChanged(new TabControlItemChangedEventArgs(itm));
}
else
{
this.OnTabControlItemChanged(new TabControlItemChangedEventArgs(itm));
}
this.UpdateLayout();
this.Invalidate();
}
private void OnMenuItemsLoad(EventArgs e)
{
this.Menu.RightToLeft = this.RightToLeft;
this.Menu.Items.Clear();
List <ToolStripMenuItem> list = new List <ToolStripMenuItem>();
for (int i = 0; i < this.Items.Count; i++)
{
TabControlItem item = this.Items[i];
if (!item.Visible)
{
continue;
}
ToolStripMenuItem tItem = new ToolStripMenuItem(item.Title);
tItem.Tag = item;
if (item.Selected)
{
tItem.Select();
}
list.Add(tItem);
}
// Sort by caption, else do nothing i.e. sorted by call sequence not by caption!!!!!
if (Terminals.Configuration.Files.Main.Settings.Settings.SortTabPagesByCaption)
{
list.Sort(CompareSortText);
}
this.Menu.Items.AddRange(list.ToArray());
this.OnMenuItemsLoaded(EventArgs.Empty);
}
public void CloseTab(TabControlItem tabItem)
{
if (tabItem != null)
{
this.SelectedItem = tabItem;
TabControlItemClosingEventArgs args = new TabControlItemClosingEventArgs();
this.OnTabControlItemClosing(args);
if (this.SelectedItem != null && !args.Cancel && this.SelectedItem.CanClose)
{
this.RemoveTab(this.SelectedItem);
this.OnTabControlItemClosed(EventArgs.Empty);
}
}
}
internal void OnDrawTabPage(Graphics g, TabControlItem currentItem)
{
bool isFirstTab = this.Items.IndexOf(currentItem) == 0;
Font currentFont = this.Font;
if (currentItem == this.SelectedItem)
currentFont = new Font(this.Font, FontStyle.Bold);
SizeF textSize = g.MeasureString(currentItem.Title, currentFont, new SizeF(200, 10), this.sf);
textSize.Width += 20;
RectangleF buttonRect = currentItem.StripRect;
GraphicsPath path = new GraphicsPath();
LinearGradientBrush brush = null;
const int mtop = 3;
#region Draw Not Right-To-Left Tab
if (this.RightToLeft == RightToLeft.No)
{
if (currentItem == this.SelectedItem || isFirstTab)
{
path.AddLine(buttonRect.Left - 10, buttonRect.Bottom - 1, buttonRect.Left + (buttonRect.Height / 2) - 4, mtop + 4);
}
else
{
path.AddLine(buttonRect.Left, buttonRect.Bottom - 1, buttonRect.Left, buttonRect.Bottom - (buttonRect.Height / 2) - 2);
path.AddLine(buttonRect.Left, buttonRect.Bottom - (buttonRect.Height / 2) - 3, buttonRect.Left + (buttonRect.Height / 2) - 4, mtop + 3);
}
path.AddLine(buttonRect.Left + (buttonRect.Height / 2) + 2, mtop, buttonRect.Right - 3, mtop);
path.AddLine(buttonRect.Right, mtop + 2, buttonRect.Right, buttonRect.Bottom - 1);
path.AddLine(buttonRect.Right - 4, buttonRect.Bottom - 1, buttonRect.Left, buttonRect.Bottom - 1);
path.CloseFigure();
try
{
if (currentItem == this.SelectedItem)
{
brush = new LinearGradientBrush(buttonRect, currentItem.TabColor, SystemColors.Window, LinearGradientMode.Vertical);
}
else
{
brush = new LinearGradientBrush(buttonRect, currentItem.TabColor, SystemColors.Window, LinearGradientMode.Vertical);
}
}
catch (Exception)
{
}
g.FillPath(brush, path);
Pen pen = SystemPens.ControlDark;
if (currentItem == this.SelectedItem)
{
pen = new Pen(this.ToolStripRenderer.ColorTable.MenuStripGradientBegin);
}
g.DrawPath(pen, path);
if (currentItem == this.SelectedItem)
{
pen.Dispose();
}
if (currentItem == this.SelectedItem)
{
g.DrawLine(new Pen(brush), buttonRect.Left - 9, buttonRect.Height + 2, buttonRect.Left + buttonRect.Width - 1, buttonRect.Height + 2);
}
PointF textLoc = new PointF(buttonRect.Left + buttonRect.Height - 4, buttonRect.Top + (buttonRect.Height / 2) - (textSize.Height / 2) - 3);
RectangleF textRect = buttonRect;
textRect.Location = textLoc;
textRect.Width = (float)buttonRect.Width - (textRect.Left - buttonRect.Left) - 4;
textRect.Height = textSize.Height + currentFont.Size / 2;
HeaderHeight = Convert.ToInt32(buttonRect.Height + buttonRect.Location.Y);
if (currentItem == this.SelectedItem)
{
//textRect.Y -= 2;
g.DrawString(currentItem.Title, currentFont, new SolidBrush(this.ForeColor), textRect, this.sf);
}
else
{
g.DrawString(currentItem.Title, currentFont, new SolidBrush(this.ForeColor), textRect, this.sf);
}
}
#endregion
#region Draw Right-To-Left Tab
if (this.RightToLeft == RightToLeft.Yes)
{
if (currentItem == this.SelectedItem || isFirstTab)
{
path.AddLine(buttonRect.Right + 10, buttonRect.Bottom - 1, buttonRect.Right - (buttonRect.Height / 2) + 4, mtop + 4);
}
else
{
path.AddLine(buttonRect.Right, buttonRect.Bottom - 1, buttonRect.Right, buttonRect.Bottom - (buttonRect.Height / 2) - 2);
path.AddLine(buttonRect.Right, buttonRect.Bottom - (buttonRect.Height / 2) - 3, buttonRect.Right - (buttonRect.Height / 2) + 4, mtop + 3);
}
path.AddLine(buttonRect.Right - (buttonRect.Height / 2) - 2, mtop, buttonRect.Left + 3, mtop);
path.AddLine(buttonRect.Left, mtop + 2, buttonRect.Left, buttonRect.Bottom - 1);
path.AddLine(buttonRect.Left + 4, buttonRect.Bottom - 1, buttonRect.Right, buttonRect.Bottom - 1);
path.CloseFigure();
if (currentItem == this.SelectedItem)
{
brush = new LinearGradientBrush(buttonRect, currentItem.TabColor, SystemColors.Window, LinearGradientMode.Vertical);
}
else
{
brush = new LinearGradientBrush(buttonRect, currentItem.TabColor, SystemColors.Window, LinearGradientMode.Vertical);
}
g.FillPath(brush, path);
g.DrawPath(SystemPens.ControlDark, path);
if (currentItem == this.SelectedItem)
{
g.DrawLine(new Pen(brush), buttonRect.Right + 9, buttonRect.Height + 2, buttonRect.Right - buttonRect.Width + 1, buttonRect.Height + 2);
}
PointF textLoc = new PointF(buttonRect.Left + 2, buttonRect.Top + (buttonRect.Height / 2) - (textSize.Height / 2) - 2);
RectangleF textRect = buttonRect;
textRect.Location = textLoc;
textRect.Width = (float)buttonRect.Width - (textRect.Left - buttonRect.Left) - 10;
textRect.Height = textSize.Height + currentFont.Size / 2;
HeaderHeight = Convert.ToInt32(buttonRect.Height + buttonRect.Location.Y);
if (currentItem == this.SelectedItem)
{
textRect.Y -= 1;
g.DrawString(currentItem.Title, currentFont, new SolidBrush(this.ForeColor), textRect, this.sf);
}
else
{
g.DrawString(currentItem.Title, currentFont, new SolidBrush(this.ForeColor), textRect, this.sf);
}
//g.FillRectangle(Brushes.Red, textRect);
}
#endregion
currentItem.IsDrawn = true;
}
internal void OnDrawTabPage(Graphics g, TabControlItem currentItem)
{
bool isFirstTab = this.Items.IndexOf(currentItem) == 0;
Font currentFont = this.Font;
if (currentItem == this.SelectedItem)
{
currentFont = new Font(this.Font, FontStyle.Bold);
}
SizeF textSize = g.MeasureString(currentItem.Title, currentFont, new SizeF(200, 10), this.sf);
textSize.Width += 20;
RectangleF buttonRect = currentItem.StripRect;
GraphicsPath path = new GraphicsPath();
LinearGradientBrush brush = null;
const int mtop = 3;
#region Draw Not Right-To-Left Tab
if (this.RightToLeft == RightToLeft.No)
{
if (currentItem == this.SelectedItem || isFirstTab)
{
path.AddLine(buttonRect.Left - 10, buttonRect.Bottom - 1, buttonRect.Left + (buttonRect.Height / 2) - 4, mtop + 4);
}
else
{
path.AddLine(buttonRect.Left, buttonRect.Bottom - 1, buttonRect.Left, buttonRect.Bottom - (buttonRect.Height / 2) - 2);
path.AddLine(buttonRect.Left, buttonRect.Bottom - (buttonRect.Height / 2) - 3, buttonRect.Left + (buttonRect.Height / 2) - 4, mtop + 3);
}
path.AddLine(buttonRect.Left + (buttonRect.Height / 2) + 2, mtop, buttonRect.Right - 3, mtop);
path.AddLine(buttonRect.Right, mtop + 2, buttonRect.Right, buttonRect.Bottom - 1);
path.AddLine(buttonRect.Right - 4, buttonRect.Bottom - 1, buttonRect.Left, buttonRect.Bottom - 1);
path.CloseFigure();
try
{
if (currentItem == this.SelectedItem)
{
brush = new LinearGradientBrush(buttonRect, currentItem.TabColor, SystemColors.Window, LinearGradientMode.Vertical);
}
else
{
brush = new LinearGradientBrush(buttonRect, currentItem.TabColor, SystemColors.Window, LinearGradientMode.Vertical);
}
}
catch (Exception)
{
}
g.FillPath(brush, path);
Pen pen = SystemPens.ControlDark;
if (currentItem == this.SelectedItem)
{
pen = new Pen(this.ToolStripRenderer.ColorTable.MenuStripGradientBegin);
}
g.DrawPath(pen, path);
if (currentItem == this.SelectedItem)
{
pen.Dispose();
}
if (currentItem == this.SelectedItem)
{
g.DrawLine(new Pen(brush), buttonRect.Left - 9, buttonRect.Height + 2, buttonRect.Left + buttonRect.Width - 1, buttonRect.Height + 2);
}
PointF textLoc = new PointF(buttonRect.Left + buttonRect.Height - 4, buttonRect.Top + (buttonRect.Height / 2) - (textSize.Height / 2) - 3);
RectangleF textRect = buttonRect;
textRect.Location = textLoc;
textRect.Width = (float)buttonRect.Width - (textRect.Left - buttonRect.Left) - 4;
textRect.Height = textSize.Height + currentFont.Size / 2;
HeaderHeight = Convert.ToInt32(buttonRect.Height + buttonRect.Location.Y);
if (currentItem == this.SelectedItem)
{
//textRect.Y -= 2;
g.DrawString(currentItem.Title, currentFont, new SolidBrush(this.ForeColor), textRect, this.sf);
}
else
{
g.DrawString(currentItem.Title, currentFont, new SolidBrush(this.ForeColor), textRect, this.sf);
}
}
#endregion
#region Draw Right-To-Left Tab
if (this.RightToLeft == RightToLeft.Yes)
{
if (currentItem == this.SelectedItem || isFirstTab)
{
path.AddLine(buttonRect.Right + 10, buttonRect.Bottom - 1, buttonRect.Right - (buttonRect.Height / 2) + 4, mtop + 4);
}
else
{
path.AddLine(buttonRect.Right, buttonRect.Bottom - 1, buttonRect.Right, buttonRect.Bottom - (buttonRect.Height / 2) - 2);
path.AddLine(buttonRect.Right, buttonRect.Bottom - (buttonRect.Height / 2) - 3, buttonRect.Right - (buttonRect.Height / 2) + 4, mtop + 3);
}
path.AddLine(buttonRect.Right - (buttonRect.Height / 2) - 2, mtop, buttonRect.Left + 3, mtop);
path.AddLine(buttonRect.Left, mtop + 2, buttonRect.Left, buttonRect.Bottom - 1);
path.AddLine(buttonRect.Left + 4, buttonRect.Bottom - 1, buttonRect.Right, buttonRect.Bottom - 1);
path.CloseFigure();
if (currentItem == this.SelectedItem)
{
brush = new LinearGradientBrush(buttonRect, currentItem.TabColor, SystemColors.Window, LinearGradientMode.Vertical);
}
else
{
brush = new LinearGradientBrush(buttonRect, currentItem.TabColor, SystemColors.Window, LinearGradientMode.Vertical);
}
g.FillPath(brush, path);
g.DrawPath(SystemPens.ControlDark, path);
if (currentItem == this.SelectedItem)
{
g.DrawLine(new Pen(brush), buttonRect.Right + 9, buttonRect.Height + 2, buttonRect.Right - buttonRect.Width + 1, buttonRect.Height + 2);
}
PointF textLoc = new PointF(buttonRect.Left + 2, buttonRect.Top + (buttonRect.Height / 2) - (textSize.Height / 2) - 2);
RectangleF textRect = buttonRect;
textRect.Location = textLoc;
textRect.Width = (float)buttonRect.Width - (textRect.Left - buttonRect.Left) - 10;
textRect.Height = textSize.Height + currentFont.Size / 2;
HeaderHeight = Convert.ToInt32(buttonRect.Height + buttonRect.Location.Y);
if (currentItem == this.SelectedItem)
{
textRect.Y -= 1;
g.DrawString(currentItem.Title, currentFont, new SolidBrush(this.ForeColor), textRect, this.sf);
}
else
{
g.DrawString(currentItem.Title, currentFont, new SolidBrush(this.ForeColor), textRect, this.sf);
}
//g.FillRectangle(Brushes.Red, textRect);
}
#endregion
currentItem.IsDrawn = true;
}
private void UnSelectItem(TabControlItem tabItem)
{
tabItem.Selected = false;
}
public void Add(TabControlItem item)
{
if (!this.List.Contains(item))
this.List.Add(item);
}
public int IndexOf(TabControlItem item)
{
return this.List.IndexOf(item);
}
private void SwapTabItems(int mouseX, TabControlItem upItem)
{
int downIndex = this.Items.IndexOf(this.tabAtMouseDown);
int newIndex = this.Items.IndexOf(upItem);
int upCentre = 48 + newIndex * 87;
if (downIndex < newIndex)
{
newIndex--;
upCentre += 10;
}
if (mouseX >= upCentre)
{
newIndex++;
}
if (newIndex > this.Items.Count - 1)
{
newIndex = this.Items.Count - 1;
}
if (newIndex <= 0)
{
newIndex = 0;
}
this.Items.Remove(this.tabAtMouseDown);
this.Items.Insert(newIndex, this.tabAtMouseDown);
}
private bool AllowDraw(TabControlItem item)
{
bool result = true;
if (this.RightToLeft == RightToLeft.No)
{
if (item.StripRect.Right >= this.stripButtonRect.Width)
result = false;
}
else
{
if (item.StripRect.Left <= this.stripButtonRect.Left)
return false;
}
return result;
}
private void SelectItem(TabControlItem tabItem)
{
tabItem.Dock = DockStyle.Fill;
tabItem.Visible = true;
tabItem.Selected = true;
}
private void CloseTabAtCurrentCursor()
{
TabControlItem selectedTab = this.GetTabItemByPoint(this.PointToClient(Cursor.Position));
this.CloseTab(selectedTab);
}
private void UnSelectItem(TabControlItem tabItem)
{
tabItem.Selected = false;
}
private void OnCalcTabPage(Graphics g, TabControlItem currentItem)
{
Font currentFont = this.Font;
if (currentItem == this.SelectedItem)
currentFont = new Font(this.Font, FontStyle.Bold);
SizeF textSize = g.MeasureString(currentItem.Title, currentFont, new SizeF(200, 10), this.sf);
textSize.Width += 20;
if (this.RightToLeft == RightToLeft.No)
{
RectangleF buttonRect = new RectangleF(this.startPosition, 3, textSize.Width, 17);
currentItem.StripRect = buttonRect;
this.startPosition += (int)textSize.Width;
}
else
{
RectangleF buttonRect = new RectangleF(this.startPosition - textSize.Width + 1, 3, textSize.Width - 1, 17);
currentItem.StripRect = buttonRect;
this.startPosition -= (int)textSize.Width;
}
}
protected override void OnPaint(PaintEventArgs e)
{
this.SetDefaultSelected();
if (this.showBorder)
{
Rectangle borderRc = base.ClientRectangle;
borderRc.Width--;
borderRc.Height--;
e.Graphics.DrawRectangle(SystemPens.ControlDark, borderRc);
}
this.startPosition = this.RightToLeft == RightToLeft.No ? 10 : this.stripButtonRect.Right;
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
#region Draw Pages
if (this.showTabs)
{
TabControlItem selectedTabItem = this.SelectedItem;
// todo bug 32353 - first calculate all, then identify ragne of tabs to draw, and finally paint them
for (int i = 0; i < this.Items.Count; i++)
{
TabControlItem currentItem = this.Items[i];
if (!currentItem.Visible && !this.DesignMode)
{
continue;
}
this.OnCalcTabPage(e.Graphics, currentItem);
currentItem.IsDrawn = false;
// delay drawing active item to the end
if (currentItem == selectedTabItem)
{
continue;
}
if (!this.AllowDraw(currentItem))
{
continue;
}
this.OnDrawTabPage(e.Graphics, currentItem);
}
if (selectedTabItem != null && this.AllowDraw(selectedTabItem))
{
try
{
this.OnDrawTabPage(e.Graphics, selectedTabItem);
}
catch (Exception)
{
//black hole this for now
}
}
}
#endregion
#region Draw UnderPage Line
if (this.showTabs && this.showBorder)
{
using (Pen pen = new Pen(this.ToolStripRenderer.ColorTable.MenuStripGradientBegin))
{
if (this.RightToLeft == RightToLeft.No)
{
if (this.Items.DrawnCount == 0 || this.Items.VisibleCount == 0)
{
e.Graphics.DrawLine(pen, new Point(0, DEF_HEADER_HEIGHT), new Point(this.ClientRectangle.Width, DEF_HEADER_HEIGHT));
}
else if (this.SelectedItem != null && this.SelectedItem.IsDrawn)
{
Point end = new Point((int)this.SelectedItem.StripRect.Left - 9, DEF_HEADER_HEIGHT);
e.Graphics.DrawLine(pen, new Point(0, DEF_HEADER_HEIGHT), end);
end.X += (int)this.SelectedItem.StripRect.Width + 10;
e.Graphics.DrawLine(pen, end, new Point(this.ClientRectangle.Width, DEF_HEADER_HEIGHT));
}
}
else
{
if (this.Items.DrawnCount == 0 || this.Items.VisibleCount == 0)
{
e.Graphics.DrawLine(SystemPens.ControlDark, new Point(0, DEF_HEADER_HEIGHT), new Point(this.ClientRectangle.Width, DEF_HEADER_HEIGHT));
}
else if (this.SelectedItem != null && this.SelectedItem.IsDrawn)
{
Point end = new Point((int)this.SelectedItem.StripRect.Left, DEF_HEADER_HEIGHT);
e.Graphics.DrawLine(pen, new Point(0, DEF_HEADER_HEIGHT), end);
end.X += (int)this.SelectedItem.StripRect.Width + 20;
e.Graphics.DrawLine(pen, end, new Point(this.ClientRectangle.Width, DEF_HEADER_HEIGHT));
}
}
}
}
#endregion
#region Draw Menu and Close Glyphs
if (this.showTabs)
{
if ((this.AlwaysShowMenuGlyph && this.Items.VisibleCount > 0) || this.Items.DrawnCount > this.Items.VisibleCount)
{
this.menuGlyph.DrawGlyph(e.Graphics);
}
if (this.AlwaysShowClose || (this.SelectedItem != null && this.SelectedItem.CanClose))
{
this.closeButton.DrawCross(e.Graphics);
}
}
#endregion
}
public TabControlMouseOnTitleEventArgs(TabControlItem item)
{
this.item = item;
}
protected override void OnMouseDown(MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
this.mouseDownPoint = e.Location;
this.tabAtMouseDown = this.GetTabItemByPoint(this.mouseDownPoint);
// Show Tabs menu
if (this.MouseIsOnMenuGliph(e))
this.mouseDownAtMenuGliph = true;
// close by click on close button
if (this.MouseIsOnCloseButton(e))
this.mouseDownAtCloseGliph = true;
}
// custom handling
if (!this.mouseDownAtCloseGliph && !this.mouseDownAtMenuGliph && this.tabAtMouseDown == null)
base.OnMouseDown(e);
this.Invalidate();
}
public TabControlMouseOnTitleEventArgs(TabControlItem item)
{
this.item = item;
}
protected override void OnMouseUp(MouseEventArgs e)
{
try
{
bool handled = this.HandleMenuGlipMouseUp(e);
handled |= this.HandleCloseButtonMouseUp(e);
handled |= this.HandleTabDetach(e);
// It is highly important to call this method after the above ones
// to avoid messing up the tab order.
this.HandleTablItemMouseUpActions(e);
if (!handled)
base.OnMouseUp(e);
}
catch (Exception exception)
{
Debug.WriteLine(exception);
}
finally
{
this.tabAtMouseDown = null;
this.mouseDownAtMenuGliph = false;
this.mouseDownAtCloseGliph = false;
this.movePreview.Hide();
}
}
public void Remove(TabControlItem item)
{
if (this.List.Contains(item))
this.List.Remove(item);
}
private void SelectItem(TabControlItem tabItem)
{
tabItem.Dock = DockStyle.Fill;
tabItem.Visible = true;
tabItem.Selected = true;
}
public bool Contains(TabControlItem item)
{
return this.List.Contains(item);
}
public void Insert(int index, TabControlItem item)
{
if (this.Contains(item)) return;
this.List.Insert(index, item);
}
public TabControlItem MoveTo(int newIndex, TabControlItem item)
{
int currentIndex = this.List.IndexOf(item);
if (currentIndex >= 0)
{
this.RemoveAt(currentIndex);
this.Insert(newIndex, item);
return item;
}
return null;
}
public TabControlItemChangedEventArgs(TabControlItem item)
{
this.item = item;
}