public override TitleBarTab CreateTab()
{
TitleBarTab tab = new TitleBarTab(this);
tab.Content = new TabWindow();
Console.WriteLine("tab window is created");
return tab;
}
/// <summary>Constructor; initializes the window and constructs the tab thumbnail image to use when dragging.</summary>
/// <param name="tab">Tab that was torn out of its parent window.</param>
/// <param name="tabRenderer">Renderer instance to use when drawing the actual tab.</param>
public TornTabForm(TitleBarTab tab, BaseTabRenderer tabRenderer)
{
_layeredWindow = new LayeredWindow();
_initialized = false;
// Set drawing styles
SetStyle(ControlStyles.DoubleBuffer, true);
// This should show up as a semi-transparent borderless window
Opacity = 0.70;
ShowInTaskbar = false;
FormBorderStyle = FormBorderStyle.None;
// ReSharper disable DoNotCallOverridableMethodsInConstructor
BackColor = Color.Fuchsia;
// ReSharper restore DoNotCallOverridableMethodsInConstructor
TransparencyKey = Color.Fuchsia;
AllowTransparency = true;
Disposed += TornTabForm_Disposed;
// Get the tab thumbnail (full size) and then draw the actual representation of the tab onto it as well
Bitmap tabContents = tab.GetImage();
Bitmap contentsAndTab = new Bitmap(tabContents.Width, tabContents.Height + tabRenderer.TabHeight, tabContents.PixelFormat);
Graphics tabGraphics = Graphics.FromImage(contentsAndTab);
tabGraphics.DrawImage(tabContents, 0, tabRenderer.TabHeight);
bool oldShowAddButton = tabRenderer.ShowAddButton;
tabRenderer.ShowAddButton = false;
tabRenderer.Render(
new List<TitleBarTab>
{
tab
}, tabGraphics, new Point(0, 0), new Point(0, 0), true);
tabRenderer.ShowAddButton = oldShowAddButton;
// Scale the thumbnail down to half size
_tabThumbnail = new Bitmap(contentsAndTab.Width / 2, contentsAndTab.Height / 2, contentsAndTab.PixelFormat);
Graphics thumbnailGraphics = Graphics.FromImage(_tabThumbnail);
thumbnailGraphics.InterpolationMode = InterpolationMode.High;
thumbnailGraphics.CompositingQuality = CompositingQuality.HighQuality;
thumbnailGraphics.SmoothingMode = SmoothingMode.AntiAlias;
thumbnailGraphics.DrawImage(contentsAndTab, 0, 0, _tabThumbnail.Width, _tabThumbnail.Height);
Width = _tabThumbnail.Width - 1;
Height = _tabThumbnail.Height - 1;
_cursorOffset = new Point(tabRenderer.TabContentWidth / 4, tabRenderer.TabHeight / 4);
SetWindowPosition(Cursor.Position);
}
/// <summary>Checks to see if the <paramref name="cursor" /> is over the <see cref="TitleBarTab.CloseButtonArea" /> of the given <paramref name="tab" />.</summary>
/// <param name="tab">The tab whose <see cref="TitleBarTab.CloseButtonArea" /> we are to check to see if it contains <paramref name="cursor" />.</param>
/// <param name="cursor">Current position of the cursor.</param>
/// <returns>True if the <paramref name="tab" />'s <see cref="TitleBarTab.CloseButtonArea" /> contains <paramref name="cursor" />, false otherwise.</returns>
public virtual bool IsOverCloseButton(TitleBarTab tab, Point cursor)
{
if (!tab.ShowCloseButton || _wasTabRepositioning)
return false;
Rectangle absoluteCloseButtonArea = new Rectangle(
tab.Area.X + tab.CloseButtonArea.X, tab.Area.Y + tab.CloseButtonArea.Y, tab.CloseButtonArea.Width, tab.CloseButtonArea.Height);
return absoluteCloseButtonArea.Contains(cursor);
}
/// <summary>Tests whether the <paramref name="cursor" /> is hovering over the given <paramref name="tab" />.</summary>
/// <param name="tab">Tab that we are to see if the cursor is hovering over.</param>
/// <param name="cursor">Current location of the cursor.</param>
/// <returns>
/// True if the <paramref name="cursor" /> is within the <see cref="TitleBarTab.Area" /> of the <paramref name="tab" /> and is over a non- transparent
/// pixel of <see cref="TitleBarTab.TabImage" />, false otherwise.
/// </returns>
protected virtual bool IsOverTab(TitleBarTab tab, Point cursor)
{
return IsOverNonTransparentArea(tab.Area, tab.TabImage, cursor);
}
/// <summary>Hook callback to process <see cref="WM.WM_MOUSEMOVE" /> messages to highlight/un-highlight the close button on each tab.</summary>
/// <param name="nCode">The message being received.</param>
/// <param name="wParam">Additional information about the message.</param>
/// <param name="lParam">Additional information about the message.</param>
/// <returns>A zero value if the procedure processes the message; a nonzero value if the procedure ignores the message.</returns>
protected IntPtr MouseHookCallback(int nCode, IntPtr wParam, IntPtr lParam)
{
if (nCode >= 0 && (int) WM.WM_MOUSEMOVE == (int) wParam)
{
MSLLHOOKSTRUCT hookStruct = (MSLLHOOKSTRUCT) Marshal.PtrToStructure(lParam, typeof (MSLLHOOKSTRUCT));
Point cursorPosition = new Point(hookStruct.pt.x, hookStruct.pt.y);
bool reRender = false;
if (_tornTab != null)
{
// ReSharper disable ForCanBeConvertedToForeach
for (int i = 0; i < _dropAreas.Length; i++)
// ReSharper restore ForCanBeConvertedToForeach
{
// If the cursor is within the drop area, combine the tab for the window that belongs to that drop area
if (_dropAreas[i].Item2.Contains(cursorPosition))
{
lock (_tornTabLock)
{
if (_tornTab != null)
{
_dropAreas[i].Item1.TabRenderer.CombineTab(_tornTab, cursorPosition);
_tornTab = null;
_tornTabForm.Close();
_tornTabForm = null;
if (_parentForm.Tabs.Count == 0)
_parentForm.Close();
}
}
}
}
}
else if (!_parentForm.TabRenderer.IsTabRepositioning)
{
// If we were over a close button previously, check to see if the cursor is still over that tab's
// close button; if not, re-render
if (_isOverCloseButtonForTab != -1 &&
(_isOverCloseButtonForTab >= _parentForm.Tabs.Count ||
!_parentForm.TabRenderer.IsOverCloseButton(_parentForm.Tabs[_isOverCloseButtonForTab], GetRelativeCursorPosition(cursorPosition))))
{
reRender = true;
_isOverCloseButtonForTab = -1;
}
// Otherwise, see if any tabs' close button is being hovered over
else
{
// ReSharper disable ForCanBeConvertedToForeach
for (int i = 0; i < _parentForm.Tabs.Count; i++)
// ReSharper restore ForCanBeConvertedToForeach
{
if (_parentForm.TabRenderer.IsOverCloseButton(_parentForm.Tabs[i], GetRelativeCursorPosition(cursorPosition)))
{
_isOverCloseButtonForTab = i;
reRender = true;
break;
}
}
}
}
else
{
_wasDragging = true;
// When determining if a tab has been torn from the window while dragging, we take the drop area for this window and inflate it by the
// TabTearDragDistance setting
Rectangle dragArea = TabDropArea;
dragArea.Inflate(_parentForm.TabRenderer.TabTearDragDistance, _parentForm.TabRenderer.TabTearDragDistance);
// If the cursor is outside the tear area, tear it away from the current window
if (!dragArea.Contains(cursorPosition) && _tornTab == null)
{
lock (_tornTabLock)
{
if (_tornTab == null)
{
_parentForm.TabRenderer.IsTabRepositioning = false;
// Clear the event handler subscriptions from the tab and then create a thumbnail representation of it to use when dragging
_tornTab = _parentForm.SelectedTab;
_tornTab.ClearSubscriptions();
_tornTabForm = new TornTabForm(_tornTab, _parentForm.TabRenderer);
_parentForm.SelectedTabIndex = (_parentForm.SelectedTabIndex == _parentForm.Tabs.Count - 1
? _parentForm.SelectedTabIndex - 1
: _parentForm.SelectedTabIndex + 1);
_parentForm.Tabs.Remove(_tornTab);
// If this tab was the only tab in the window, hide the parent window
if (_parentForm.Tabs.Count == 0)
_parentForm.Hide();
_tornTabForm.Show();
_dropAreas = (from window in _parentForm.ApplicationContext.OpenWindows.Where(w => w.Tabs.Count > 0)
select new Tuple<TitleBarTabs, Rectangle>(window, window.TabDropArea)).ToArray();
}
}
}
}
OnMouseMove(new MouseEventArgs(MouseButtons.None, 0, cursorPosition.X, cursorPosition.Y, 0));
if (_parentForm.TabRenderer.IsTabRepositioning)
reRender = true;
if (reRender)
Render(cursorPosition, true);
}
else if (nCode >= 0 && (int) WM.WM_LBUTTONDOWN == (int) wParam)
_wasDragging = false;
else if (nCode >= 0 && (int) WM.WM_LBUTTONUP == (int) wParam)
{
// If we released the mouse button while we were dragging a torn tab, put that tab into a new window
if (_tornTab != null)
{
lock (_tornTabLock)
{
if (_tornTab != null)
{
TitleBarTabs newWindow = (TitleBarTabs) Activator.CreateInstance(_parentForm.GetType());
// Set the initial window position and state properly
if (newWindow.WindowState == FormWindowState.Maximized)
{
Screen screen = Screen.AllScreens.First(s => s.WorkingArea.Contains(Cursor.Position));
newWindow.StartPosition = FormStartPosition.Manual;
newWindow.WindowState = FormWindowState.Normal;
newWindow.Left = screen.WorkingArea.Left;
newWindow.Top = screen.WorkingArea.Top;
newWindow.Width = screen.WorkingArea.Width;
newWindow.Height = screen.WorkingArea.Height;
}
else
{
newWindow.Left = Cursor.Position.X;
newWindow.Top = Cursor.Position.Y;
}
_tornTab.Parent = newWindow;
_parentForm.ApplicationContext.OpenWindow(newWindow);
newWindow.Show();
newWindow.Tabs.Add(_tornTab);
newWindow.SelectedTabIndex = 0;
newWindow.ResizeTabContents();
_tornTab = null;
_tornTabForm.Close();
_tornTabForm = null;
if (_parentForm.Tabs.Count == 0)
_parentForm.Close();
}
}
}
OnMouseUp(new MouseEventArgs(MouseButtons.Left, 1, Cursor.Position.X, Cursor.Position.Y, 0));
}
return User32.CallNextHookEx(_hookId, nCode, wParam, lParam);
}
/// <summary>
/// Consumer method that processes mouse events in <see cref="_mouseEvents" /> that are recorded by <see cref="MouseHookCallback" />.
/// </summary>
protected void InterpretMouseEvents()
{
foreach (MouseEvent mouseEvent in _mouseEvents.GetConsumingEnumerable())
{
int nCode = mouseEvent.nCode;
IntPtr wParam = mouseEvent.wParam;
MSLLHOOKSTRUCT? hookStruct = mouseEvent.MouseData;
if (nCode >= 0 && (int) WM.WM_MOUSEMOVE == (int) wParam)
{
// ReSharper disable PossibleInvalidOperationException
Point cursorPosition = new Point(hookStruct.Value.pt.x, hookStruct.Value.pt.y);
// ReSharper restore PossibleInvalidOperationException
bool reRender = false;
if (_tornTab != null)
{
// ReSharper disable ForCanBeConvertedToForeach
for (int i = 0; i < _dropAreas.Length; i++)
// ReSharper restore ForCanBeConvertedToForeach
{
// If the cursor is within the drop area, combine the tab for the window that belongs to that drop area
if (_dropAreas[i].Item2.Contains(cursorPosition))
{
TitleBarTab tabToCombine = null;
lock (_tornTabLock)
{
if (_tornTab != null)
{
tabToCombine = _tornTab;
_tornTab = null;
}
}
if (tabToCombine != null)
{
int i1 = i;
// In all cases where we need to affect the UI, we call Invoke so that those changes are made on the main UI thread since
// we are on a separate processing thread in this case
Invoke(
new Action(
() =>
{
_dropAreas[i1].Item1.TabRenderer.CombineTab(tabToCombine, cursorPosition);
tabToCombine = null;
_tornTabForm.Close();
_tornTabForm = null;
if (_parentForm.Tabs.Count == 0)
_parentForm.Close();
}));
}
}
}
}
else if (!_parentForm.TabRenderer.IsTabRepositioning)
{
// If we were over a close button previously, check to see if the cursor is still over that tab's
// close button; if not, re-render
if (_isOverCloseButtonForTab != -1 &&
(_isOverCloseButtonForTab >= _parentForm.Tabs.Count ||
!_parentForm.TabRenderer.IsOverCloseButton(_parentForm.Tabs[_isOverCloseButtonForTab], GetRelativeCursorPosition(cursorPosition))))
{
reRender = true;
_isOverCloseButtonForTab = -1;
}
// Otherwise, see if any tabs' close button is being hovered over
else
{
// ReSharper disable ForCanBeConvertedToForeach
for (int i = 0; i < _parentForm.Tabs.Count; i++)
// ReSharper restore ForCanBeConvertedToForeach
{
if (_parentForm.TabRenderer.IsOverCloseButton(_parentForm.Tabs[i], GetRelativeCursorPosition(cursorPosition)))
{
_isOverCloseButtonForTab = i;
reRender = true;
break;
}
}
}
}
else
{
Invoke(
new Action(
() =>
{
_wasDragging = true;
// When determining if a tab has been torn from the window while dragging, we take the drop area for this window and inflate it by the
// TabTearDragDistance setting
Rectangle dragArea = TabDropArea;
dragArea.Inflate(_parentForm.TabRenderer.TabTearDragDistance, _parentForm.TabRenderer.TabTearDragDistance);
// If the cursor is outside the tear area, tear it away from the current window
if (!dragArea.Contains(cursorPosition) && _tornTab == null)
{
lock (_tornTabLock)
{
if (_tornTab == null)
{
_parentForm.TabRenderer.IsTabRepositioning = false;
// Clear the event handler subscriptions from the tab and then create a thumbnail representation of it to use when dragging
_tornTab = _parentForm.SelectedTab;
_tornTab.ClearSubscriptions();
_tornTabForm = new TornTabForm(_tornTab, _parentForm.TabRenderer);
}
}
if (_tornTab != null)
{
_parentForm.SelectedTabIndex = (_parentForm.SelectedTabIndex == _parentForm.Tabs.Count - 1
? _parentForm.SelectedTabIndex - 1
: _parentForm.SelectedTabIndex + 1);
_parentForm.Tabs.Remove(_tornTab);
// If this tab was the only tab in the window, hide the parent window
if (_parentForm.Tabs.Count == 0)
_parentForm.Hide();
_tornTabForm.Show();
_dropAreas = (from window in _parentForm.ApplicationContext.OpenWindows.Where(w => w.Tabs.Count > 0)
select new Tuple<TitleBarTabs, Rectangle>(window, window.TabDropArea)).ToArray();
}
}
}));
}
Invoke(new Action(() => OnMouseMove(new MouseEventArgs(MouseButtons.None, 0, cursorPosition.X, cursorPosition.Y, 0))));
if (_parentForm.TabRenderer.IsTabRepositioning)
reRender = true;
if (reRender)
Invoke(new Action(() => Render(cursorPosition, true)));
}
else if (nCode >= 0 && (int) WM.WM_LBUTTONDOWN == (int) wParam)
_wasDragging = false;
else if (nCode >= 0 && (int) WM.WM_LBUTTONUP == (int) wParam)
{
// If we released the mouse button while we were dragging a torn tab, put that tab into a new window
if (_tornTab != null)
{
TitleBarTab tabToRelease = null;
lock (_tornTabLock)
{
if (_tornTab != null)
{
tabToRelease = _tornTab;
_tornTab = null;
}
}
if (tabToRelease != null)
{
Invoke(
new Action(
() =>
{
TitleBarTabs newWindow = (TitleBarTabs) Activator.CreateInstance(_parentForm.GetType());
// Set the initial window position and state properly
if (newWindow.WindowState == FormWindowState.Maximized)
{
Screen screen = Screen.AllScreens.First(s => s.WorkingArea.Contains(Cursor.Position));
newWindow.StartPosition = FormStartPosition.Manual;
newWindow.WindowState = FormWindowState.Normal;
newWindow.Left = screen.WorkingArea.Left;
newWindow.Top = screen.WorkingArea.Top;
newWindow.Width = screen.WorkingArea.Width;
newWindow.Height = screen.WorkingArea.Height;
}
else
{
newWindow.Left = Cursor.Position.X;
newWindow.Top = Cursor.Position.Y;
}
tabToRelease.Parent = newWindow;
_parentForm.ApplicationContext.OpenWindow(newWindow);
newWindow.Show();
newWindow.Tabs.Add(tabToRelease);
newWindow.SelectedTabIndex = 0;
newWindow.ResizeTabContents();
_tornTabForm.Close();
_tornTabForm = null;
if (_parentForm.Tabs.Count == 0)
_parentForm.Close();
}));
}
}
Invoke(new Action(() => OnMouseUp(new MouseEventArgs(MouseButtons.Left, 1, Cursor.Position.X, Cursor.Position.Y, 0))));
}
}
}
/// <summary>Removes <paramref name="closingTab" /> from <see cref="Tabs" /> and selects the next applicable tab in the list.</summary>
/// <param name="closingTab">Tab that is being closed.</param>
protected virtual void CloseTab(TitleBarTab closingTab)
{
int removeIndex = Tabs.IndexOf(closingTab);
int selectedTabIndex = SelectedTabIndex;
Tabs.Remove(closingTab);
if (selectedTabIndex > removeIndex)
SelectedTabIndex = selectedTabIndex - 1;
else if (selectedTabIndex == removeIndex)
SelectedTabIndex = Math.Min(selectedTabIndex, Tabs.Count - 1);
else
SelectedTabIndex = selectedTabIndex;
if (_previews.ContainsKey(closingTab.Content))
{
_previews[closingTab.Content].Dispose();
_previews.Remove(closingTab.Content);
}
if (_previousActiveTab != null && closingTab.Content == _previousActiveTab.Content)
_previousActiveTab = null;
if (!closingTab.Content.IsDisposed && AeroPeekEnabled)
TaskbarManager.Instance.TabbedThumbnail.RemoveThumbnailPreview(closingTab.Content);
if (Tabs.Count == 0 && ExitOnLastTabClose)
Close();
}
/// <summary>
/// Handler method that's called when the user clicks the "Edit" menu item in the context menu that appears when the user right-clicks on a bookmark
/// in the list view. Opens the options window for the connection's protocol type.
/// </summary>
/// <param name="sender">Object from which this event originated.</param>
/// <param name="e">Arguments associated with this event.</param>
private void _editBookmarkMenuItem_Click(object sender, EventArgs e)
{
ListViewItem selectedItem = _bookmarksListView.SelectedItems[0];
TitleBarTab optionsTab = new TitleBarTab(ParentTabs)
{
Content = new OptionsWindow(ParentTabs)
{
OptionsForms = new List<Form>
{
ConnectionFactory.CreateOptionsForm(_listViewConnections[selectedItem])
},
Text = "Options for " + _listViewConnections[selectedItem].DisplayName
}
};
// When the options form is closed, update the second column in the list view with the updated host for the connection
optionsTab.Content.FormClosed += (o, args) => selectedItem.SubItems[1].Text = _listViewConnections[selectedItem].Host;
ParentTabs.Tabs.Add(optionsTab);
ParentTabs.ResizeTabContents(optionsTab);
ParentTabs.SelectedTab = optionsTab;
}
/// <summary>
/// Handler method that's called when the user clicks on the "Properties..." menu item in the context menu that appears when the user right-clicks on
/// a history entry; opens up the options for the connection in a new tab.
/// </summary>
/// <param name="sender">Object from which this event originated.</param>
/// <param name="e">Argument associated with this event.</param>
private void propertiesMenuItem_Click(object sender, EventArgs e)
{
// Get the options form for the connection type and open it in a new tab
Form optionsWindow = ConnectionFactory.CreateOptionsForm(_connections[_historyListView.SelectedItems[0]].Connection);
TitleBarTab optionsTab = new TitleBarTab(_applicationForm)
{
Content = optionsWindow
};
_applicationForm.Tabs.Add(optionsTab);
_applicationForm.SelectedTab = optionsTab;
}
/// <summary>
/// Callback for the <see cref="TabSelected" /> event. Called when a <see cref="TitleBarTab" /> gains focus. Sets the active window in Aero Peek via a
/// call to <see cref="TabbedThumbnailManager.SetActiveTab(Control)" />.
/// </summary>
/// <param name="e">Arguments associated with the event.</param>
protected void OnTabSelected(TitleBarTabEventArgs e)
{
if (SelectedTabIndex != -1 && _previews.ContainsKey(SelectedTab.Content) && AeroPeekEnabled)
TaskbarManager.Instance.TabbedThumbnail.SetActiveTab(SelectedTab.Content);
_previousActiveTab = SelectedTab;
if (TabSelected != null)
TabSelected(this, e);
}
/// <summary>Generate a new thumbnail image for <paramref name="tab" />.</summary>
/// <param name="tab">Tab that we need to generate a thumbnail for.</param>
protected void UpdateTabThumbnail(TitleBarTab tab)
{
TabbedThumbnail preview = TaskbarManager.Instance.TabbedThumbnail.GetThumbnailPreview(tab.Content);
if (preview == null)
return;
Bitmap bitmap = TabbedThumbnailScreenCapture.GrabWindowBitmap(tab.Content.Handle, tab.Content.Size);
preview.SetImage(bitmap);
// If we already had a preview image for the tab, dispose of it
if (_previews.ContainsKey(tab.Content) && _previews[tab.Content] != null)
_previews[tab.Content].Dispose();
_previews[tab.Content] = bitmap;
}
/// <summary>
/// Handler method that's called when a tab is clicked on. This is different from the <see cref="TitleBarTabs.TabSelected"/> event handler in that
/// this is called even if the tab is currently active. This is used to show the toolbar for <see cref="ConnectionWindow"/> instances that
/// automatically hide their toolbars when the connection's UI is focused on.
/// </summary>
/// <param name="sender">Object from which this event originated.</param>
/// <param name="e">Arguments associated with this event.</param>
private void MainForm_TabClicked(object sender, TitleBarTabEventArgs e)
{
// Only show the toolbar if the user clicked on an already-selected tab
if (e.Tab.Content is ConnectionWindow && e.Tab == _previouslyClickedTab && !e.WasDragging)
(e.Tab.Content as ConnectionWindow).ShowToolbar();
_previouslyClickedTab = e.Tab;
}
/// <summary>
/// Creates a new tab to hold <paramref name="form"/>.
/// </summary>
/// <param name="form">Form instance that we are to open in a new tab.</param>
protected void ShowInEmptyTab(Form form)
{
// If we're opening the form from an unconnected ConnectionWindow, just replace its content with the new form
if (SelectedTab != null && SelectedTab.Content is ConnectionWindow && !(SelectedTab.Content as ConnectionWindow).IsConnected)
{
Form oldWindow = SelectedTab.Content;
SelectedTab.Content = form;
ResizeTabContents();
oldWindow.Close();
}
// Otherwise, create a new tab associated with the form
else
{
TitleBarTab newTab = new TitleBarTab(this)
{
Content = form
};
Tabs.Add(newTab);
ResizeTabContents(newTab);
SelectedTabIndex = _tabs.Count - 1;
}
form.Show();
if (_overlay != null)
_overlay.Render(true);
}
/// <summary>
/// Method to create a new tab when the add button in the title bar is clicked; creates a new <see cref="ConnectionWindow"/>.
/// </summary>
/// <returns>Tab for a new <see cref="ConnectionWindow"/> instance.</returns>
public override TitleBarTab CreateTab()
{
_previouslyClickedTab = new TitleBarTab(this)
{
Content = new ConnectionWindow()
};
return _previouslyClickedTab;
}
/// <summary>
/// Opens a new tab for <paramref name="connection"/>.
/// </summary>
/// <param name="connection">Connection that we are to open a new tab for.</param>
/// <param name="focusNewTab">Flag indicating whether we should focus on the new tab.</param>
/// <returns>Tab that was created for <paramref name="connection"/>.</returns>
public TitleBarTab Connect(IConnection connection, bool focusNewTab)
{
ConnectionWindow connectionWindow = new ConnectionWindow(connection);
TitleBarTab newTab = new TitleBarTab(this)
{
Content = connectionWindow
};
Tabs.Insert(SelectedTabIndex + 1, newTab);
ResizeTabContents(newTab);
if (focusNewTab)
{
SelectedTab = newTab;
_previouslyClickedTab = newTab;
}
connectionWindow.Connect();
return newTab;
}
/// <summary>Internal method for rendering an individual <paramref name="tab" /> to the screen.</summary>
/// <param name="graphicsContext">Graphics context to use when rendering the tab.</param>
/// <param name="tab">Individual tab that we are to render.</param>
/// <param name="area">Area of the screen that the tab should be rendered to.</param>
/// <param name="cursor">Current position of the cursor.</param>
protected virtual void Render(Graphics graphicsContext, TitleBarTab tab, Rectangle area, Point cursor)
{
if (_suspendRendering)
return;
// If we need to redraw the tab image
if (tab.TabImage == null)
{
// We render the tab to an internal property so that we don't necessarily have to redraw it in every rendering pass, only if its width or
// status have changed
tab.TabImage = new Bitmap(
area.Width, tab.Active
? _activeCenterImage.Height
: _inactiveCenterImage.Height);
using (Graphics tabGraphicsContext = Graphics.FromImage(tab.TabImage))
{
// Draw the left, center, and right portions of the tab
tabGraphicsContext.DrawImage(
tab.Active
? _activeLeftSideImage
: _inactiveLeftSideImage, new Rectangle(
0, 0, tab.Active
? _activeLeftSideImage
.Width
: _inactiveLeftSideImage
.Width,
tab.Active
? _activeLeftSideImage.
Height
: _inactiveLeftSideImage
.Height), 0, 0,
tab.Active
? _activeLeftSideImage.Width
: _inactiveLeftSideImage.Width, tab.Active
? _activeLeftSideImage.Height
: _inactiveLeftSideImage.Height,
GraphicsUnit.Pixel);
tabGraphicsContext.DrawImage(
tab.Active
? _activeCenterImage
: _inactiveCenterImage, new Rectangle(
(tab.Active
? _activeLeftSideImage.
Width
: _inactiveLeftSideImage
.Width), 0,
_tabContentWidth, tab.Active
? _activeCenterImage
.
Height
: _inactiveCenterImage
.
Height),
0, 0, _tabContentWidth, tab.Active
? _activeCenterImage.Height
: _inactiveCenterImage.Height,
GraphicsUnit.Pixel);
tabGraphicsContext.DrawImage(
tab.Active
? _activeRightSideImage
: _inactiveRightSideImage, new Rectangle(
(tab.Active
? _activeLeftSideImage
.Width
: _inactiveLeftSideImage
.Width) +
_tabContentWidth, 0,
tab.Active
? _activeRightSideImage
.Width
: _inactiveRightSideImage
.Width,
tab.Active
? _activeRightSideImage
.Height
: _inactiveRightSideImage
.Height), 0, 0,
tab.Active
? _activeRightSideImage.Width
: _inactiveRightSideImage.Width, tab.Active
? _activeRightSideImage.Height
: _inactiveRightSideImage.
Height,
GraphicsUnit.Pixel);
// Draw the close button
if (tab.ShowCloseButton)
{
Image closeButtonImage = IsOverCloseButton(tab, cursor)
? _closeButtonHoverImage
: _closeButtonImage;
tab.CloseButtonArea = new Rectangle(
area.Width - (tab.Active
? _activeRightSideImage.Width
: _inactiveRightSideImage.Width) -
CloseButtonMarginRight - closeButtonImage.Width,
CloseButtonMarginTop, closeButtonImage.Width,
closeButtonImage.Height);
tabGraphicsContext.DrawImage(
closeButtonImage, tab.CloseButtonArea, 0, 0,
closeButtonImage.Width, closeButtonImage.Height,
GraphicsUnit.Pixel);
}
}
tab.Area = area;
}
// Render the tab's saved image to the screen
graphicsContext.DrawImage(
tab.TabImage, area, 0, 0, tab.TabImage.Width, tab.TabImage.Height,
GraphicsUnit.Pixel);
// Render the icon for the tab's content, if it exists and there's room for it in the tab's content area
if (tab.Content.ShowIcon && _tabContentWidth > 16 + IconMarginLeft + (tab.ShowCloseButton
? CloseButtonMarginLeft +
tab.CloseButtonArea.Width +
CloseButtonMarginRight
: 0))
{
graphicsContext.DrawIcon(
new Icon(tab.Content.Icon, 16, 16),
new Rectangle(area.X + OverlapWidth + IconMarginLeft, IconMarginTop + area.Y, 16, 16));
}
// Render the caption for the tab's content if there's room for it in the tab's content area
if (_tabContentWidth > (tab.Content.ShowIcon
? 16 + IconMarginLeft + IconMarginRight
: 0) + CaptionMarginLeft + CaptionMarginRight + (tab.ShowCloseButton
? CloseButtonMarginLeft +
tab.CloseButtonArea.Width +
CloseButtonMarginRight
: 0))
{
graphicsContext.DrawString(
tab.Caption, SystemFonts.CaptionFont, Brushes.Black,
new Rectangle(
area.X + OverlapWidth + CaptionMarginLeft + (tab.Content.ShowIcon
? IconMarginLeft +
16 +
IconMarginRight
: 0),
CaptionMarginTop + area.Y,
_tabContentWidth - (tab.Content.ShowIcon
? IconMarginLeft + 16 + IconMarginRight
: 0) - (tab.ShowCloseButton
? _closeButtonImage.Width +
CloseButtonMarginRight +
CloseButtonMarginLeft
: 0), tab.TabImage.Height),
new StringFormat(StringFormatFlags.NoWrap)
{
Trimming = StringTrimming.EllipsisCharacter
});
}
}
/// <summary>
/// Called when a torn tab is dragged into the <see cref="TitleBarTabs.TabDropArea" /> of <see cref="_parentWindow" />. Places the tab in the list and
/// sets <see cref="IsTabRepositioning" /> to true to simulate the user continuing to drag the tab around in the window.
/// </summary>
/// <param name="tab">Tab that was dragged into this window.</param>
/// <param name="cursorLocation">Location of the user's cursor.</param>
internal virtual void CombineTab(TitleBarTab tab, Point cursorLocation)
{
// Stop rendering to prevent weird stuff from happening like the wrong tab being focused
_suspendRendering = true;
// Find out where to insert the tab in the list
int dropIndex = _parentWindow.Tabs.FindIndex(t => t.Area.Left <= cursorLocation.X && t.Area.Right >= cursorLocation.X);
// Simulate the user having clicked in the middle of the tab when they started dragging it so that the tab will move correctly within the window
// when the user continues to move the mouse
_tabClickOffset = _parentWindow.Tabs.First().Area.Width / 2;
IsTabRepositioning = true;
tab.Parent = _parentWindow;
if (dropIndex == -1)
{
_parentWindow.Tabs.Add(tab);
dropIndex = _parentWindow.Tabs.Count - 1;
}
else
_parentWindow.Tabs.Insert(dropIndex, tab);
// Resume rendering
_suspendRendering = false;
_parentWindow.SelectedTabIndex = dropIndex;
_parentWindow.ResizeTabContents();
}
/// <summary>Resizes the <see cref="TitleBarTab.Content" /> form of the <paramref name="tab" /> to match the size of the client area for this window.</summary>
/// <param name="tab">Tab whose <see cref="TitleBarTab.Content" /> form we should resize; if not specified, we default to
/// <see cref="SelectedTab" />.</param>
public void ResizeTabContents(TitleBarTab tab = null)
{
if (tab == null)
tab = SelectedTab;
if (tab != null)
{
tab.Content.Location = new Point(0, Padding.Top - 1);
tab.Content.Size = new Size(ClientRectangle.Width, ClientRectangle.Height - Padding.Top + 1);
}
}
/// <summary>
/// Creates a new thumbnail for <paramref name="tab" /> when the application is initially enabled for AeroPeek or when it is turned on sometime during
/// execution.
/// </summary>
/// <param name="tab">Tab that we are to create the thumbnail for.</param>
/// <returns>Thumbnail created for <paramref name="tab" />.</returns>
protected virtual TabbedThumbnail CreateThumbnailPreview(TitleBarTab tab)
{
TabbedThumbnail preview = new TabbedThumbnail(Handle, tab.Content)
{
Title = tab.Content.Text,
Tooltip = tab.Content.Text
};
preview.SetWindowIcon(tab.Content.Icon);
preview.TabbedThumbnailActivated += preview_TabbedThumbnailActivated;
preview.TabbedThumbnailClosed += preview_TabbedThumbnailClosed;
preview.TabbedThumbnailBitmapRequested += preview_TabbedThumbnailBitmapRequested;
preview.PeekOffset = new Vector(Padding.Left, Padding.Top - 1);
TaskbarManager.Instance.TabbedThumbnail.AddThumbnailPreview(preview);
return preview;
}
/// <summary>
/// Handler method that's called after the user finishes renaming an item in <see cref="_bookmarksListView"/>. Sets the <see cref="IConnection.Name"/>
/// or <see cref="BookmarksFolder.Name"/> property and, if the user is setting the name for a newly-created bookmark, opens the option window for that
/// bookmark.
/// </summary>
/// <param name="sender">Object from which this event originated, <see cref="_bookmarksListView"/> in this case.</param>
/// <param name="e">Item being edited and its new label.</param>
private void _bookmarksListView_AfterLabelEdit(object sender, LabelEditEventArgs e)
{
if (e.CancelEdit || String.IsNullOrEmpty(e.Label))
return;
if (_listViewConnections.ContainsKey(_bookmarksListView.Items[e.Item]))
{
IConnection connection = _listViewConnections[_bookmarksListView.Items[e.Item]];
connection.Name = e.Label;
// If this is a new connection (no Host property set) and the item label doesn't contain spaces, we default the host name for the connection to
// the label name
if (String.IsNullOrEmpty(connection.Host) && !e.Label.Contains(" "))
{
connection.Host = e.Label;
_bookmarksListView.Items[e.Item].SubItems[1].Text = e.Label;
}
}
else
_listViewFolders[_bookmarksListView.Items[e.Item]].Name = e.Label;
Save();
if (_showOptionsAfterItemLabelEdit)
{
// Open the options window for the new bookmark if its name was set for the first time
ListViewItem selectedItem = _bookmarksListView.SelectedItems[0];
TitleBarTab optionsTab = new TitleBarTab(ParentTabs)
{
Content = new OptionsWindow(ParentTabs)
{
OptionsForms = new List<Form>
{
ConnectionFactory.CreateOptionsForm(_listViewConnections[selectedItem])
}
}
};
// When the options window is closed, update the value in the host column to what was supplied by the user
optionsTab.Content.FormClosed += (o, args) => selectedItem.SubItems[1].Text = _listViewConnections[selectedItem].Host;
ParentTabs.Tabs.Add(optionsTab);
ParentTabs.ResizeTabContents(optionsTab);
ParentTabs.SelectedTab = optionsTab;
_showOptionsAfterItemLabelEdit = false;
}
_bookmarksListView.BeginInvoke(new Action(_bookmarksListView.Sort));
}
