+//
+// ToolStripItem.cs
+//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
-// Copyright (c) 2006 Novell, Inc.
+// Copyright (c) 2006 Jonathan Pobst
+//
+// Authors:
+// Jonathan Pobst (monkey@jpobst.com)
//
#if NET_2_0
using System.Drawing;
using System.ComponentModel;
-namespace System.Windows.Forms {
-
- public class ToolStripItem : Component, IDropTarget, IComponent, IDisposable {
- string text, name;
- Image image;
- EventHandler onClick;
+namespace System.Windows.Forms
+{
+ [DefaultEvent ("Click")]
+ [DefaultProperty ("Text")]
+ [DesignTimeVisible (false)]
+ [ToolboxItem (false)]
+ public abstract class ToolStripItem : Component, IDropTarget, IComponent, IDisposable
+ {
+ #region Private Variables
+ private AccessibleObject accessibility_object;
+ private string accessible_default_action_description;
+ private ToolStripItemAlignment alignment;
+ private bool auto_size;
+ private bool auto_tool_tip;
+ private Color back_color;
+ private Image background_image;
+ private ImageLayout background_image_layout;
+ private Rectangle bounds;
+ private bool can_select;
+ private ToolStripItemDisplayStyle display_style;
+ private DockStyle dock;
+ private bool double_click_enabled;
+ private bool enabled;
+ private Size explicit_size;
+ private Font font;
+ private Color fore_color;
+ private Image image;
+ private ContentAlignment image_align;
+ private int image_index;
+ private ToolStripItemImageScaling image_scaling;
+ private Color image_transparent_color;
+ internal bool is_pressed;
+ private bool is_selected;
+ private Padding margin;
+ private string name;
private ToolStrip owner;
- internal bool is_selected;
+ internal ToolStripItem owner_item;
+ private Padding padding;
+ private Object tag;
+ private string text;
+ private ContentAlignment text_align;
+ private TextImageRelation text_image_relation;
+ private string tool_tip_text;
+ private bool visible;
+ private ToolStrip parent;
+ private Size text_size;
+ #endregion
+
+ #region Public Constructors
protected ToolStripItem ()
+ : this (String.Empty, null, null, String.Empty)
{
}
protected ToolStripItem (string text, Image image, EventHandler onClick)
+ : this (text, image, onClick, String.Empty)
{
- this.text = text;
- this.image = image;
- this.onClick = onClick;
}
protected ToolStripItem (string text, Image image, EventHandler onClick, string name)
{
- this.text = text;
+ this.alignment = ToolStripItemAlignment.Left;
+ this.auto_size = true;
+ this.auto_tool_tip = this.DefaultAutoToolTip;
+ this.back_color = Control.DefaultBackColor;
+ this.background_image_layout = ImageLayout.Tile;
+ this.can_select = true;
+ this.display_style = this.DefaultDisplayStyle;
+ this.dock = DockStyle.None;
+ this.enabled = true;
+ this.font = new Font ("Tahoma", 8.25f);
+ this.fore_color = Control.DefaultForeColor;
this.image = image;
- this.onClick = onClick;
+ this.image_align = ContentAlignment.MiddleCenter;
+ this.image_index = -1;
+ this.image_scaling = ToolStripItemImageScaling.SizeToFit;
+ this.image_transparent_color = Color.Empty;
+ this.margin = this.DefaultMargin;
this.name = name;
+ this.padding = this.DefaultPadding;
+ this.bounds.Size = this.DefaultSize;
+ this.text = text;
+ this.text_align = ContentAlignment.MiddleCenter;
+ this.text_image_relation = TextImageRelation.ImageBeforeText;
+ this.visible = true;
+
+ this.Click += onClick;
+ OnLayout (new LayoutEventArgs (null, string.Empty));
+ }
+ #endregion
+
+ #region Public Properties
+ [Browsable (false)]
+ [EditorBrowsable (EditorBrowsableState.Never)]
+ public AccessibleObject AccessibilityObject {
+ get {
+ if (this.accessibility_object == null)
+ this.accessibility_object = CreateAccessibilityInstance ();
+
+ return this.accessibility_object;
+ }
+ }
+
+ [Browsable (false)]
+ [EditorBrowsable (EditorBrowsableState.Never)]
+ public string AccessibleDefaultActionDescription {
+ get {
+ if (this.accessibility_object == null)
+ return null;
+
+ return this.accessible_default_action_description;
+ }
+ set { this.accessible_default_action_description = value; }
+ }
+
+ [Localizable (true)]
+ [DefaultValue (null)]
+ public string AccessibleDescription {
+ get {
+ if (this.accessibility_object == null)
+ return null;
+
+ return this.AccessibilityObject.Description;
+ }
+ set { this.AccessibilityObject.description = value; }
+ }
+
+ [Localizable (true)]
+ [DefaultValue (null)]
+ public string AccessibleName {
+ get {
+ if (this.accessibility_object == null)
+ return null;
+
+ return this.AccessibilityObject.Name;
+ }
+ set { this.AccessibilityObject.Name = value; }
+ }
+
+ [DefaultValue (AccessibleRole.Default)]
+ public AccessibleRole AccessibleRole {
+ get
+ {
+ if (this.accessibility_object == null)
+ return AccessibleRole.Default;
+
+ return this.AccessibilityObject.Role;
+ }
+ set { this.AccessibilityObject.role = value; }
+ }
+
+ [MonoTODO]
+ [DefaultValue (ToolStripItemAlignment.Left)]
+ public ToolStripItemAlignment Alignment {
+ get { return this.alignment; }
+ set {
+ if (!Enum.IsDefined (typeof (ToolStripItemAlignment), value))
+ throw new InvalidEnumArgumentException (string.Format ("Enum argument value '{0}' is not valid for ToolStripItemAlignment", value));
+
+ this.alignment = value;
+ }
+ }
+
+ [Localizable (true)]
+ [DefaultValue (true)]
+ public bool AutoSize {
+ get { return this.auto_size; }
+ set {
+ this.auto_size = value;
+ this.CalculateAutoSize ();
+ }
+ }
+
+ [MonoTODO ("Need 2.0 ToolTip to implement tool tips.")]
+ [DefaultValue (false)]
+ public bool AutoToolTip {
+ get { return this.auto_tool_tip; }
+ set { this.auto_tool_tip = value; }
+ }
+
+ [Browsable (false)]
+ public bool Available {
+ get { return this.visible; }
+ set {
+ if (this.visible != value) {
+ visible = value;
+
+ if (this.owner != null)
+ owner.PerformLayout ();
+
+ OnAvailableChanged (EventArgs.Empty);
+ OnVisibleChanged (EventArgs.Empty);
+ }
+ }
+ }
+
+ public virtual Color BackColor {
+ get { return this.back_color; }
+ set {
+ if (this.back_color != value) {
+ back_color = value;
+ OnBackColorChanged (EventArgs.Empty);
+ this.Invalidate ();
+ }
+ }
+ }
+
+ [Localizable (true)]
+ public virtual Image BackgroundImage {
+ get { return this.background_image; }
+ set {
+ if (this.background_image != value) {
+ this.background_image = value;
+ this.Invalidate ();
+ }
+ }
+ }
+
+ [Localizable (true)]
+ public virtual ImageLayout BackgroundImageLayout {
+ get { return this.background_image_layout; }
+ set {
+ if (this.background_image_layout != value) {
+ this.background_image_layout = value;
+ this.Invalidate ();
+ }
+ }
+ }
+
+ [Browsable (false)]
+ public virtual Rectangle Bounds {
+ get { return this.bounds; }
+ }
+
+ [Browsable (false)]
+ public virtual bool CanSelect {
+ get { return this.can_select; }
+ }
+
+ [Browsable (false)]
+ public Rectangle ContentRectangle {
+ get {
+ // ToolStripLabels don't have a border
+ if (this is ToolStripLabel)
+ return new Rectangle (0, 0, this.bounds.Width, this.bounds.Height);
+
+ if (this is ToolStripDropDownButton && (this as ToolStripDropDownButton).ShowDropDownArrow)
+ return new Rectangle (2, 2, this.bounds.Width - 13, this.bounds.Height - 4);
+
+ return new Rectangle (2, 2, this.bounds.Width - 4, this.bounds.Height - 4);
+ }
+ }
+
+ public virtual ToolStripItemDisplayStyle DisplayStyle {
+ get { return this.display_style; }
+ set {
+ if (this.display_style != value) {
+ this.display_style = value;
+ this.CalculateAutoSize ();
+ OnDisplayStyleChanged (EventArgs.Empty);
+ this.Invalidate ();
+ }
+ }
+ }
+
+ [Browsable (false)]
+ [DefaultValue (DockStyle.None)]
+ public DockStyle Dock {
+ get { return this.dock; }
+ set {
+ if (this.dock != value) {
+ if (!Enum.IsDefined (typeof (DockStyle), value))
+ throw new InvalidEnumArgumentException (string.Format ("Enum argument value '{0}' is not valid for DockStyle", value));
+
+ this.dock = value;
+ this.CalculateAutoSize ();
+ }
+ }
+ }
+
+ [DefaultValue (false)]
+ public bool DoubleClickEnabled {
+ get { return this.double_click_enabled; }
+ set { this.double_click_enabled = value; }
+ }
+
+ [Localizable (true)]
+ [DefaultValue (true)]
+ public virtual bool Enabled {
+ get { return enabled; }
+ set {
+ if (this.enabled != value) {
+ this.enabled = value;
+ OnEnabledChanged (EventArgs.Empty);
+ this.Invalidate ();
+ }
+ }
+ }
+
+ [Localizable (true)]
+ public virtual Font Font
+ {
+ get { return this.font; }
+ set {
+ if (this.font != value) {
+ this.font = value;
+ this.CalculateAutoSize ();
+ this.OnFontChanged (EventArgs.Empty);
+ this.Invalidate ();
+ }
+ }
+ }
+
+ public virtual Color ForeColor {
+ get { return this.fore_color; }
+ set {
+ if (this.fore_color != value) {
+ this.fore_color = value;
+ this.OnForeColorChanged (EventArgs.Empty);
+ this.Invalidate ();
+ }
+ }
+ }
+
+ [Browsable (false)]
+ [EditorBrowsable (EditorBrowsableState.Never)]
+ public int Height {
+ get { return this.Size.Height; }
+ set {
+ this.bounds.Height = value;
+ this.explicit_size.Height = value;
+ if (this.visible) {
+ this.CalculateAutoSize ();
+ this.OnBoundsChanged ();
+ this.Invalidate (); }
+ }
+ }
+
+ [Localizable (true)]
+ public virtual Image Image {
+ get { return this.image; }
+ set {
+ this.image = value;
+ this.CalculateAutoSize ();
+ this.Invalidate ();
+ }
+ }
+
+ [Localizable (true)]
+ [DefaultValue (ContentAlignment.MiddleCenter)]
+ public ContentAlignment ImageAlign {
+ get { return this.image_align; }
+ set {
+ if (!Enum.IsDefined (typeof (ContentAlignment), value))
+ throw new InvalidEnumArgumentException (string.Format ("Enum argument value '{0}' is not valid for ContentAlignment", value));
+
+ this.image_align = value;
+ this.Invalidate ();
+ }
+ }
+
+ [Localizable (true)]
+ [Browsable (false)]
+ public int ImageIndex {
+ get { return this.image_index; }
+ set {
+ // Lamespec: MSDN says ArgumentException, tests say otherwise
+ if (value < -1)
+ throw new ArgumentOutOfRangeException ("ImageIndex cannot be less than -1");
+
+ this.image_index = value;
+ this.CalculateAutoSize ();
+ this.Invalidate ();
+ }
+ }
+
+ [Localizable (true)]
+ [DefaultValue (ToolStripItemImageScaling.SizeToFit)]
+ public ToolStripItemImageScaling ImageScaling {
+ get { return this.image_scaling; }
+ set {
+ this.image_scaling = value;
+ this.CalculateAutoSize ();
+ this.Invalidate ();
+ }
+ }
+
+ [Localizable (true)]
+ [MonoTODO ("Stub, doesn't actually do anything yet.")]
+ public Color ImageTransparentColor {
+ get { return this.image_transparent_color; }
+ set { this.image_transparent_color = value; }
+ }
+
+ [Browsable (false)]
+ public bool IsOnDropDown {
+ get {
+ if (this.owner != null && this.owner is ToolStripDropDown)
+ return true;
+
+ return false;
+ }
+ }
+
+ public Padding Margin {
+ get { return this.margin; }
+ set {
+ this.margin = value;
+ this.CalculateAutoSize ();
+ }
+ }
+
+ [DefaultValue (null)]
+ [Browsable (false)]
+ public string Name {
+ get { return this.name; }
+ set { this.name = value; }
+ }
+
+ [Browsable (false)]
+ [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
+ public ToolStrip Owner {
+ get { return this.owner; }
+ set {
+ if (this.owner != value) {
+ this.owner = value;
+ this.CalculateAutoSize ();
+ OnOwnerChanged (EventArgs.Empty);
+ }
+ }
+ }
+
+ [Browsable (false)]
+ [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
+ public ToolStripItem OwnerItem {
+ get { return this.owner_item; }
+ }
+
+ public virtual Padding Padding {
+ get { return this.padding; }
+ set {
+ this.padding = value;
+ this.CalculateAutoSize ();
+ this.Invalidate ();
+ }
+ }
+
+ [Browsable (false)]
+ [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
+ public virtual bool Pressed { get { return this.is_pressed; } }
+
+ [Browsable (false)]
+ [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
+ public virtual bool Selected { get { return this.is_selected; } }
+
+ [Localizable (true)]
+ public virtual Size Size {
+ get {
+ if (this.explicit_size != Size.Empty)
+ return this.explicit_size;
+
+ return this.bounds.Size;
+ }
+ set {
+ this.bounds.Size = value;
+ this.explicit_size = value;
+
+ if (this.visible) {
+ this.CalculateAutoSize ();
+ OnBoundsChanged (); }
+ }
+ }
+
+ [Localizable (false)]
+ [Bindable (true)]
+ [DefaultValue (null)]
+ [TypeConverter (typeof (StringConverter))]
+ public Object Tag {
+ get { return this.tag; }
+ set { this.tag = value; }
+ }
+
+ [Localizable (true)]
+ [DefaultValue ("")]
+ public virtual string Text
+ {
+ get { return this.text; }
+ set {
+ if (this.text != value) {
+ this.text = value;
+ this.CalculateAutoSize ();
+ this.OnTextChanged (EventArgs.Empty);
+ this.Invalidate ();
+ }
+ }
+ }
+
+ [Localizable (true)]
+ [DefaultValue (ContentAlignment.MiddleCenter)]
+ public virtual ContentAlignment TextAlign {
+ get { return this.text_align; }
+ set {
+ if (!Enum.IsDefined (typeof (ContentAlignment), value))
+ throw new InvalidEnumArgumentException (string.Format ("Enum argument value '{0}' is not valid for ContentAlignment", value));
+ this.text_align = value;
+ this.Invalidate ();
+ }
+ }
+
+ [Localizable (true)]
+ [DefaultValue (TextImageRelation.ImageBeforeText)]
+ public TextImageRelation TextImageRelation {
+ get { return this.text_image_relation; }
+ set {
+ this.text_image_relation = value;
+ this.CalculateAutoSize ();
+ this.Invalidate ();
+ }
+ }
+
+ [Localizable (true)]
+ public string ToolTipText {
+ get { return this.tool_tip_text; }
+ set { this.tool_tip_text = value; }
+ }
+
+ [Localizable (true)]
+ public bool Visible {
+ get {
+ if (this.parent == null)
+ return false;
+
+ return this.visible && this.parent.Visible;
+ }
+ set {
+ if (this.visible != value) {
+ this.visible = value;
+ this.OnVisibleChanged (EventArgs.Empty);
+ this.Invalidate ();
+ }
+ }
+ }
+
+ [Browsable (false)]
+ [EditorBrowsable (EditorBrowsableState.Never)]
+ public int Width {
+ get { return this.Size.Width; }
+ set {
+ this.bounds.Width = value;
+ this.explicit_size.Width = value;
+ if (this.visible) {
+ this.CalculateAutoSize ();
+ this.OnBoundsChanged(); }
+ }
+ }
+ #endregion
+
+ #region Protected Properties
+ protected virtual bool DefaultAutoToolTip { get { return false; } }
+ protected virtual ToolStripItemDisplayStyle DefaultDisplayStyle { get { return ToolStripItemDisplayStyle.ImageAndText; } }
+ protected internal virtual Padding DefaultMargin { get { return new Padding (0, 1, 0, 2); } }
+ protected virtual Padding DefaultPadding { get { return new Padding (); } }
+ protected virtual Size DefaultSize { get { return new Size (23, 23); } }
+ protected internal virtual bool DismissWhenClicked { get { return true; } }
+ [Browsable (false)]
+ [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
+ protected internal ToolStrip Parent {
+ get { return this.parent; }
+ set {
+ ToolStrip old_parent = this.parent;
+ this.parent = value;
+ OnParentChanged(old_parent, this.parent);
+ }
+ }
+ protected internal virtual bool ShowKeyboardCues { get { return false; } }
+ #endregion
+
+ #region Public Methods
+ public ToolStrip GetCurrentParent ()
+ {
+ return this.parent;
+ }
+
+ public virtual Size GetPreferredSize (Size constrainingSize)
+ {
+ return this.CalculatePreferredSize (constrainingSize);
+ }
+
+ public void Invalidate ()
+ {
+ if (owner != null)
+ owner.Invalidate (this.bounds);
+ }
+
+ public void Invalidate (Rectangle r)
+ {
+ if (owner != null)
+ owner.Invalidate (r);
+ }
+
+ public void OnDragDrop (DragEventArgs e)
+ {
+ // XXX
+ }
+
+ public void OnDragEnter (DragEventArgs e)
+ {
+ // XXX
+ }
+
+ public void OnDragLeave (EventArgs e)
+ {
+ // XXX
+ }
+
+ public void OnDragOver (DragEventArgs e)
+ {
+ // XXX
+ }
+
+ public void PerformClick ()
+ {
+ this.OnClick (EventArgs.Empty);
+ }
+
+ [EditorBrowsable (EditorBrowsableState.Never)]
+ public virtual void ResetBackColor () { this.BackColor = Control.DefaultBackColor; }
+
+ [EditorBrowsable (EditorBrowsableState.Never)]
+ public virtual void ResetDisplayStyle () { this.display_style = this.DefaultDisplayStyle; }
+
+ [EditorBrowsable (EditorBrowsableState.Never)]
+ public virtual void ResetFont () { this.font = new Font ("Tahoma", 8.25f); }
+
+ [EditorBrowsable (EditorBrowsableState.Never)]
+ public virtual void ResetForeColor () { this.ForeColor = Control.DefaultForeColor; }
+
+ [EditorBrowsable (EditorBrowsableState.Never)]
+ public virtual void ResetImage () { this.image = null; }
+
+ [EditorBrowsable (EditorBrowsableState.Never)]
+ public void ResetMargin () { this.margin = this.DefaultMargin; }
+
+ [EditorBrowsable (EditorBrowsableState.Never)]
+ public void ResetPadding () { this.padding = this.DefaultPadding; }
+
+ public void Select ()
+ {
+ if (this.CanSelect) {
+ this.is_selected = true;
+ this.Invalidate ();
+ }
+ }
+
+ public override string ToString ()
+ {
+ return this.text;
+ }
+ #endregion
+
+ #region Protected Methods
+ [EditorBrowsable (EditorBrowsableState.Advanced)]
+ protected virtual AccessibleObject CreateAccessibilityInstance ()
+ {
+ return new ToolStripItemAccessibleObject (this);
+ }
+
+ protected override void Dispose (bool disposing)
+ {
+ base.Dispose (disposing);
+ }
+
+ protected virtual void OnAvailableChanged (EventArgs e)
+ {
+ EventHandler eh = (EventHandler)(Events [AvailableChangedEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+
+ [EditorBrowsable (EditorBrowsableState.Advanced)]
+ protected virtual void OnBackColorChanged (EventArgs e)
+ {
+ EventHandler eh = (EventHandler)(Events [BackColorChangedEvent]);
+ if (eh != null)
+ eh (this, e);
}
- public ToolStrip Owner
+ protected virtual void OnBoundsChanged ()
{
- get { return owner; }
- set { owner = value; }
+ OnLayout (new LayoutEventArgs(null, ""));
}
+ protected virtual void OnClick (EventArgs e)
+ {
+ EventHandler eh = (EventHandler)(Events [ClickEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+
+ [EditorBrowsable (EditorBrowsableState.Advanced)]
+ protected virtual void OnDisplayStyleChanged (EventArgs e)
+ {
+ EventHandler eh = (EventHandler)(Events [DisplayStyleChangedEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+
+ protected virtual void OnDoubleClick (EventArgs e)
+ {
+ EventHandler eh = (EventHandler)(Events [DoubleClickEvent]);
+ if (eh != null)
+ eh (this, e);
+
+ if (!double_click_enabled)
+ OnClick (e);
+ }
+
+ protected virtual void OnEnabledChanged (EventArgs e)
+ {
+ EventHandler eh = (EventHandler)(Events [EnabledChangedEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+
+ [EditorBrowsable (EditorBrowsableState.Advanced)]
+ protected virtual void OnFontChanged (EventArgs e)
+ {
+ }
+
+ [EditorBrowsable (EditorBrowsableState.Advanced)]
+ protected virtual void OnForeColorChanged (EventArgs e)
+ {
+ EventHandler eh = (EventHandler)(Events [ForeColorChangedEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+
+ protected virtual void OnLayout (LayoutEventArgs e)
+ {
+ }
+
+ protected virtual void OnLocationChanged (EventArgs e)
+ {
+ EventHandler eh = (EventHandler)(Events [LocationChangedEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+
+ protected virtual void OnMouseDown (MouseEventArgs e)
+ {
+ if (this.Enabled) {
+ this.is_pressed = true;
+ this.Invalidate ();
+
+ MouseEventHandler eh = (MouseEventHandler)(Events [MouseDownEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+ }
+
+ protected virtual void OnMouseEnter (EventArgs e)
+ {
+ if (this.CanSelect) {
+ this.is_selected = true;
+ this.Invalidate ();
+ }
+
+ EventHandler eh = (EventHandler)(Events [MouseEnterEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+
+ protected virtual void OnMouseHover (EventArgs e)
+ {
+ if (this.Enabled) {
+ EventHandler eh = (EventHandler)(Events [MouseHoverEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+ }
+
+ protected virtual void OnMouseLeave (EventArgs e)
+ {
+ if (this.CanSelect) {
+ this.is_selected = false;
+ this.is_pressed = false;
+ this.Invalidate ();
+ }
+
+ EventHandler eh = (EventHandler)(Events [MouseLeaveEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+
+ protected virtual void OnMouseMove (MouseEventArgs e)
+ {
+ if (this.Enabled) {
+ MouseEventHandler eh = (MouseEventHandler)(Events [MouseMoveEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+ }
+
+ protected virtual void OnMouseUp (MouseEventArgs e)
+ {
+ if (this.Enabled) {
+ this.is_pressed = false;
+ this.Invalidate ();
+
+ MouseEventHandler eh = (MouseEventHandler)(Events [MouseUpEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+ }
+
+ protected virtual void OnOwnerChanged (EventArgs e)
+ {
+ EventHandler eh = (EventHandler)(Events [OwnerChangedEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+
+ protected virtual void OnPaint (PaintEventArgs e)
+ {
+ if (this.Owner != null)
+ this.Owner.Renderer.DrawItemBackground (new ToolStripItemRenderEventArgs (e.Graphics, this));
+
+ PaintEventHandler eh = (PaintEventHandler)(Events [PaintEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+
+ protected virtual void OnParentChanged (ToolStrip oldParent, ToolStrip newParent)
+ {
+ }
+
+ [EditorBrowsable (EditorBrowsableState.Advanced)]
+ protected virtual void OnTextChanged (EventArgs e)
+ {
+ EventHandler eh = (EventHandler)(Events [TextChangedEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+
+ protected virtual void OnVisibleChanged (EventArgs e)
+ {
+ EventHandler eh = (EventHandler)(Events [VisibleChangedEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+
+ protected internal virtual void SetBounds (Rectangle bounds)
+ {
+ if (this.bounds != bounds) {
+ this.bounds = bounds;
+ OnBoundsChanged ();
+ }
+ }
+ #endregion
+
+ #region Public Events
+ static object AvailableChangedEvent = new object ();
+ static object BackColorChangedEvent = new object ();
+ static object ClickEvent = new object ();
+ static object DisplayStyleChangedEvent = new object ();
+ static object DoubleClickEvent = new object ();
+ static object EnabledChangedEvent = new object ();
+ static object ForeColorChangedEvent = new object ();
+ static object LocationChangedEvent = new object ();
+ static object MouseDownEvent = new object ();
+ static object MouseEnterEvent = new object ();
+ static object MouseHoverEvent = new object ();
+ static object MouseLeaveEvent = new object ();
+ static object MouseMoveEvent = new object ();
+ static object MouseUpEvent = new object ();
+ static object OwnerChangedEvent = new object ();
+ static object PaintEvent = new object ();
+ static object TextChangedEvent = new object ();
+ static object VisibleChangedEvent = new object ();
+
+ [Browsable (false)]
+ public event EventHandler AvailableChanged {
+ add { Events.AddHandler (AvailableChangedEvent, value); }
+ remove {Events.RemoveHandler (AvailableChangedEvent, value); }
+ }
+
+ public event EventHandler BackColorChanged {
+ add { Events.AddHandler (BackColorChangedEvent, value); }
+ remove {Events.RemoveHandler (BackColorChangedEvent, value); }
+ }
+
+ public event EventHandler Click {
+ add { Events.AddHandler (ClickEvent, value); }
+ remove {Events.RemoveHandler (ClickEvent, value); }
+ }
+
+ public event EventHandler DisplayStyleChanged {
+ add { Events.AddHandler (DisplayStyleChangedEvent, value); }
+ remove {Events.RemoveHandler (DisplayStyleChangedEvent, value); }
+ }
+
+ public event EventHandler DoubleClick {
+ add { Events.AddHandler (DoubleClickEvent, value); }
+ remove {Events.RemoveHandler (DoubleClickEvent, value); }
+ }
+
+ public event EventHandler EnabledChanged {
+ add { Events.AddHandler (EnabledChangedEvent, value); }
+ remove {Events.RemoveHandler (EnabledChangedEvent, value); }
+ }
+
+ public event EventHandler ForeColorChanged {
+ add { Events.AddHandler (ForeColorChangedEvent, value); }
+ remove {Events.RemoveHandler (ForeColorChangedEvent, value); }
+ }
+
+ public event EventHandler LocationChanged {
+ add { Events.AddHandler (LocationChangedEvent, value); }
+ remove {Events.RemoveHandler (LocationChangedEvent, value); }
+ }
+
+ public event MouseEventHandler MouseDown {
+ add { Events.AddHandler (MouseDownEvent, value); }
+ remove {Events.RemoveHandler (MouseDownEvent, value); }
+ }
+
+ public event EventHandler MouseEnter {
+ add { Events.AddHandler (MouseEnterEvent, value); }
+ remove {Events.RemoveHandler (MouseEnterEvent, value); }
+ }
+
+ public event EventHandler MouseHover {
+ add { Events.AddHandler (MouseHoverEvent, value); }
+ remove {Events.RemoveHandler (MouseHoverEvent, value); }
+ }
+
+ public event EventHandler MouseLeave {
+ add { Events.AddHandler (MouseLeaveEvent, value); }
+ remove {Events.RemoveHandler (MouseLeaveEvent, value); }
+ }
+
+ public event MouseEventHandler MouseMove {
+ add { Events.AddHandler (MouseMoveEvent, value); }
+ remove {Events.RemoveHandler (MouseMoveEvent, value); }
+ }
+
+ public event MouseEventHandler MouseUp {
+ add { Events.AddHandler (MouseUpEvent, value); }
+ remove {Events.RemoveHandler (MouseUpEvent, value); }
+ }
+
+ public event EventHandler OwnerChanged {
+ add { Events.AddHandler (OwnerChangedEvent, value); }
+ remove {Events.RemoveHandler (OwnerChangedEvent, value); }
+ }
+
+ public event PaintEventHandler Paint {
+ add { Events.AddHandler (PaintEvent, value); }
+ remove {Events.RemoveHandler (PaintEvent, value); }
+ }
+
+ public event EventHandler TextChanged {
+ add { Events.AddHandler (TextChangedEvent, value); }
+ remove {Events.RemoveHandler (TextChangedEvent, value); }
+ }
+
+ public event EventHandler VisibleChanged {
+ add { Events.AddHandler (VisibleChangedEvent, value); }
+ remove {Events.RemoveHandler (VisibleChangedEvent, value); }
+ }
+ #endregion
+
+ #region Internal Methods
+ internal Rectangle AlignInRectangle (Rectangle outer, Size inner, ContentAlignment align)
+ {
+ int x = 0;
+ int y = 0;
+
+ if (align == ContentAlignment.BottomLeft || align == ContentAlignment.MiddleLeft || align == ContentAlignment.TopLeft)
+ x = outer.X;
+ else if (align == ContentAlignment.BottomCenter || align == ContentAlignment.MiddleCenter || align == ContentAlignment.TopCenter)
+ x = Math.Max (outer.X + ((outer.Width - inner.Width) / 2), outer.Left);
+ else if (align == ContentAlignment.BottomRight || align == ContentAlignment.MiddleRight || align == ContentAlignment.TopRight)
+ x = outer.Right - inner.Width;
+ if (align == ContentAlignment.TopCenter || align == ContentAlignment.TopLeft || align == ContentAlignment.TopRight)
+ y = outer.Y;
+ else if (align == ContentAlignment.MiddleCenter || align == ContentAlignment.MiddleLeft || align == ContentAlignment.MiddleRight)
+ y = outer.Y + (outer.Height - inner.Height) / 2;
+ else if (align == ContentAlignment.BottomCenter || align == ContentAlignment.BottomRight || align == ContentAlignment.BottomLeft)
+ y = outer.Bottom - inner.Height;
+
+ return new Rectangle (x, y, Math.Min (inner.Width, outer.Width), Math.Min (inner.Height, outer.Height));
+ }
+
+ internal void CalculateAutoSize ()
+ {
+ if (!this.auto_size || this is ToolStripControlHost)
+ return;
+
+ this.text_size = TextRenderer.MeasureText (this.Text == null ? string.Empty: this.text, this.Font, Size.Empty, TextFormatFlags.HidePrefix);
+ //this.text_size.Width += 6;
+
+ Size final_size = this.CalculatePreferredSize (Size.Empty);
+
+ if (final_size != this.Size) {
+ this.bounds.Size = final_size;
+ if (this.owner != null)
+ this.owner.PerformLayout ();
+ }
+ }
+
+ internal Size CalculatePreferredSize (Size constrainingSize)
+ {
+ Size preferred_size = this.DefaultSize;
+
+ switch (this.display_style) {
+ case ToolStripItemDisplayStyle.Text:
+ int width = text_size.Width + this.padding.Horizontal;
+ int height = text_size.Height + this.padding.Vertical;
+ preferred_size = new Size (width, height);
+ break;
+ case ToolStripItemDisplayStyle.Image:
+ if (this.image == null)
+ preferred_size = this.DefaultSize;
+ else {
+ switch (this.image_scaling) {
+ case ToolStripItemImageScaling.None:
+ preferred_size = this.image.Size;
+ break;
+ case ToolStripItemImageScaling.SizeToFit:
+ if (this.owner == null)
+ preferred_size = this.image.Size;
+ else
+ preferred_size = this.owner.ImageScalingSize;
+ break;
+ }
+ }
+ break;
+ case ToolStripItemDisplayStyle.ImageAndText:
+ int width2 = text_size.Width + this.padding.Horizontal;
+ int height2 = text_size.Height + this.padding.Vertical;
+
+ if (this.image != null) {
+ switch (this.text_image_relation) {
+ case TextImageRelation.Overlay:
+ width2 = Math.Max (width2, this.image.Width);
+ height2 = Math.Max (height2, this.image.Height);
+ break;
+ case TextImageRelation.ImageAboveText:
+ case TextImageRelation.TextAboveImage:
+ width2 = Math.Max (width2, this.image.Width);
+ height2 += this.image.Height;
+ break;
+ case TextImageRelation.ImageBeforeText:
+ case TextImageRelation.TextBeforeImage:
+ height2 = Math.Max (height2, this.image.Height);
+ width2 += this.image.Width;
+ break;
+ }
+ }
+
+ preferred_size = new Size (width2, height2);
+ break;
+ }
+
+ if (!(this is ToolStripLabel)) { // Everything but labels have a border
+ preferred_size.Height += 4;
+ preferred_size.Width += 4;
+ }
+
+ // Account for ToolStripDropDownButton's drop down arrow
+ if (this is ToolStripDropDownButton && (this as ToolStripDropDownButton).ShowDropDownArrow)
+ preferred_size.Width += 9;
+
+ return preferred_size;
+ }
+
+ internal void CalculateTextAndImageRectangles (out Rectangle text_rect, out Rectangle image_rect)
+ {
+ this.CalculateTextAndImageRectangles (this.ContentRectangle, out text_rect, out image_rect);
+ }
+
+ internal void CalculateTextAndImageRectangles (Rectangle contentRectangle, out Rectangle text_rect, out Rectangle image_rect)
+ {
+ text_rect = Rectangle.Empty;
+ image_rect = Rectangle.Empty;
+
+ switch (this.display_style) {
+ case ToolStripItemDisplayStyle.None:
+ break;
+ case ToolStripItemDisplayStyle.Text:
+ if (this.text != string.Empty)
+ text_rect = AlignInRectangle (contentRectangle, this.text_size, this.text_align);
+ break;
+ case ToolStripItemDisplayStyle.Image:
+ if (this.image != null)
+ image_rect = AlignInRectangle (contentRectangle, this.image.Size, this.image_align);
+ break;
+ case ToolStripItemDisplayStyle.ImageAndText:
+ if (this.text != string.Empty && this.image == null)
+ text_rect = AlignInRectangle (contentRectangle, this.text_size, this.text_align);
+ else if (this.text == string.Empty && this.image != null)
+ image_rect = AlignInRectangle (contentRectangle, this.image.Size, this.image_align);
+ else if (this.text == string.Empty && this.image == null)
+ break;
+ else {
+ Rectangle text_area;
+ Rectangle image_area;
+
+ switch (this.text_image_relation) {
+ case TextImageRelation.Overlay:
+ text_rect = AlignInRectangle (contentRectangle, this.text_size, this.text_align);
+ image_rect = AlignInRectangle (contentRectangle, this.image.Size, this.image_align);
+ break;
+ case TextImageRelation.ImageAboveText:
+ text_area = new Rectangle (contentRectangle.Left, contentRectangle.Bottom - (text_size.Height - 4), contentRectangle.Width, text_size.Height - 4);
+ image_area = new Rectangle (contentRectangle.Left, contentRectangle.Top, contentRectangle.Width, contentRectangle.Height - text_area.Height);
+
+ text_rect = AlignInRectangle (text_area, this.text_size, this.text_align);
+ image_rect = AlignInRectangle (image_area, this.image.Size, this.image_align);
+ break;
+ case TextImageRelation.TextAboveImage:
+ text_area = new Rectangle (contentRectangle.Left, contentRectangle.Top, contentRectangle.Width, text_size.Height - 4);
+ image_area = new Rectangle (contentRectangle.Left, text_area.Bottom, contentRectangle.Width, contentRectangle.Height - text_area.Height);
+
+ text_rect = AlignInRectangle (text_area, this.text_size, this.text_align);
+ image_rect = AlignInRectangle (image_area, this.image.Size, this.image_align);
+ break;
+ case TextImageRelation.ImageBeforeText:
+ text_area = new Rectangle (contentRectangle.Right - this.text_size.Width, contentRectangle.Top, this.text_size.Width, contentRectangle.Height);
+ image_area = new Rectangle (contentRectangle.Left, contentRectangle.Top, text_area.Left - contentRectangle.Left, contentRectangle.Height);
+
+ text_rect = AlignInRectangle (text_area, this.text_size, this.text_align);
+ image_rect = AlignInRectangle (image_area, this.image.Size, this.image_align);
+ break;
+ case TextImageRelation.TextBeforeImage:
+ text_area = new Rectangle (contentRectangle.Left, contentRectangle.Top, this.text_size.Width, contentRectangle.Height);
+ image_area = new Rectangle (text_area.Right, contentRectangle.Top, contentRectangle.Width - text_area.Width, contentRectangle.Height);
+
+ text_rect = AlignInRectangle (text_area, this.text_size, this.text_align);
+ image_rect = AlignInRectangle (image_area, this.image.Size, this.image_align);
+ break;
+ }
+ }
+ break;
+ }
+ }
+
+ internal void FireEvent (EventArgs e, ToolStripItemEventType met)
+ {
+ switch (met) {
+ case ToolStripItemEventType.MouseUp:
+ this.OnMouseUp ((MouseEventArgs)e);
+ this.OnClick ((MouseEventArgs)e);
+ break;
+ case ToolStripItemEventType.MouseDown:
+ this.OnMouseDown ((MouseEventArgs)e);
+ break;
+ case ToolStripItemEventType.MouseEnter:
+ this.OnMouseEnter (e);
+ break;
+ case ToolStripItemEventType.MouseHover:
+ this.OnMouseHover (e);
+ break;
+ case ToolStripItemEventType.MouseLeave:
+ this.OnMouseLeave (e);
+ break;
+ case ToolStripItemEventType.MouseMove:
+ this.OnMouseMove ((MouseEventArgs)e);
+ break;
+ case ToolStripItemEventType.Paint:
+ this.OnPaint ((PaintEventArgs)e);
+ break;
+ }
+ }
+ #endregion
+
+ public class ToolStripItemAccessibleObject : AccessibleObject
+ {
+ private ToolStripItem owner;
+
+ public ToolStripItemAccessibleObject (ToolStripItem ownerItem)
+ {
+ if (ownerItem == null)
+ throw new ArgumentNullException ("ownerItem");
+
+ this.owner = ownerItem;
+ base.default_action = string.Empty;
+ base.keyboard_shortcut = string.Empty;
+ base.name = string.Empty;
+ base.value = string.Empty;
+ }
+
+ #region Public Properties
+ public override Rectangle Bounds {
+ get {
+ return owner.Visible ? owner.Bounds : Rectangle.Empty;
+ }
+ }
+
+ public override string DefaultAction {
+ get { return base.DefaultAction; }
+ }
+
+ public override string Description {
+ get { return base.Description; }
+ }
+
+ public override string Help {
+ get { return base.Help; }
+ }
+
+ public override string KeyboardShortcut {
+ get { return base.KeyboardShortcut; }
+ }
+
+ public override string Name {
+ get {
+ if (base.name == string.Empty)
+ return owner.Text;
+
+ return base.Name;
+ }
+ set { base.Name = value; }
+ }
+
+ public override AccessibleObject Parent {
+ get { return base.Parent; }
+ }
+
+ public override AccessibleRole Role {
+ get { return base.Role; }
+ }
+
+ public override AccessibleStates State {
+ get { return base.State; }
+ }
+ #endregion
+
+ #region Public Methods
+ public void AddState (AccessibleStates state)
+ {
+ base.state = state;
+ }
+
+ public override void DoDefaultAction ()
+ {
+ base.DoDefaultAction ();
+ }
+
+ public override int GetHelpTopic (out string FileName)
+ {
+ return base.GetHelpTopic (out FileName);
+ }
+
+ public override AccessibleObject Navigate (AccessibleNavigation navdir)
+ {
+ return base.Navigate (navdir);
+ }
+
+ public override string ToString ()
+ {
+ return string.Format ("ToolStripItemAccessibleObject: Owner = {0}", owner.ToString());
+ }
+ #endregion
+ }
}
}
#endif