// John Sohn jsohn@columbus.rr.com
//
-// COMPLETE
-
#undef DebugRecreate
#undef DebugFocus
// State
bool is_created; // true if OnCreateControl has been sent
- internal bool has_focus; // true if control has focus
- internal bool is_visible; // true if control is visible
- internal bool is_entered; // is the mouse inside the control?
- internal bool is_enabled; // true if control is enabled (usable/not grayed out)
+ internal bool has_focus; // true if control has focus
+ internal bool is_visible; // true if control is visible
+ internal bool is_entered; // is the mouse inside the control?
+ internal bool is_enabled; // true if control is enabled (usable/not grayed out)
bool is_accessible; // true if the control is visible to accessibility applications
bool is_captured; // tracks if the control has captured the mouse
internal bool is_toplevel; // tracks if the control is a toplevel window
bool is_recreating; // tracks if the handle for the control is being recreated
bool causes_validation; // tracks if validation is executed on changes
bool is_focusing; // tracks if Focus has been called on the control and has not yet finished
- bool container_selected; // true if Select() or Focus() is called on a container, to prevent child controls from raising their GotFocus event
- int tab_index; // position in tab order of siblings
+ bool container_selected; // true if Select() or Focus() is called on a container, to prevent child controls from raising their GotFocus event
+ int tab_index; // position in tab order of siblings
bool tab_stop; // is the control a tab stop?
bool is_disposed; // has the window already been disposed?
Size client_size; // size of the client area (window excluding decorations)
Rectangle client_rect; // rectangle with the client area (window excluding decorations)
ControlStyles control_style; // rather win32-specific, style bits for control
ImeMode ime_mode;
- bool layout_pending; // true if our parent needs to re-layout us
object control_tag; // object that contains data about our control
internal int mouse_clicks; // Counter for mouse clicks
Cursor cursor; // Cursor for the window
internal BorderStyle border_style; // Border style of control
// Layout
+ internal enum LayoutType {
+ Anchor,
+ Dock
+ }
Layout.LayoutEngine layout_engine;
- int layout_suspended;
- internal AnchorStyles anchor_style; // anchoring requirements for our control
- internal DockStyle dock_style; // docking requirements for our control (supercedes anchoring)
-
- // Please leave the next 4 as internal until DefaultLayout (2.0) is rewritten
- internal int dist_left; // distance to the left border of the parent
- internal int dist_top; // distance to the top border of the parent
+ int layout_suspended;
+ bool layout_pending; // true if our parent needs to re-layout us
+ internal AnchorStyles anchor_style; // anchoring requirements for our control
+ internal DockStyle dock_style; // docking requirements for our control
+ LayoutType layout_type;
+
+ // Please leave the next 2 as internal until DefaultLayout (2.0) is rewritten
internal int dist_right; // distance to the right border of the parent
internal int dist_bottom; // distance to the bottom border of the parent
ContextMenu context_menu; // Context menu associated with the control
// double buffering
- Graphics backbuffer_dc;
- object backbuffer;
- Region invalid_region;
+ DoubleBuffer backbuffer;
+
+ // to implement DeviceContext without depending on double buffering
+ Bitmap bmp;
+ Graphics bmp_g;
ControlBindingsCollection data_bindings;
#endregion // ControlAccessibleObject Public Instance Methods
}
+ private class DoubleBuffer : IDisposable
+ {
+ public Region InvalidRegion;
+ private Stack real_graphics;
+ private object back_buffer;
+ private Control parent;
+ private bool pending_disposal;
+
+ public DoubleBuffer (Control parent)
+ {
+ this.parent = parent;
+ real_graphics = new Stack ();
+ int width = parent.Width;
+ int height = parent.Height;
+
+ if (width < 1) width = 1;
+ if (height < 1) height = 1;
+
+ XplatUI.CreateOffscreenDrawable (parent.Handle, width, height, out back_buffer);
+ Invalidate ();
+ }
+
+ public void Blit (PaintEventArgs pe)
+ {
+ Graphics buffered_graphics;
+ buffered_graphics = XplatUI.GetOffscreenGraphics (back_buffer);
+ XplatUI.BlitFromOffscreen (parent.Handle, pe.Graphics, back_buffer, buffered_graphics, pe.ClipRectangle);
+ buffered_graphics.Dispose ();
+ }
+
+ public void Start (PaintEventArgs pe)
+ {
+ // We need to get the graphics for every paint.
+ real_graphics.Push(pe.SetGraphics (XplatUI.GetOffscreenGraphics (back_buffer)));
+ }
+
+ public void End (PaintEventArgs pe)
+ {
+ Graphics buffered_graphics;
+ buffered_graphics = pe.SetGraphics ((Graphics) real_graphics.Pop ());
+
+ if (pending_disposal)
+ Dispose ();
+ else {
+ XplatUI.BlitFromOffscreen (parent.Handle, pe.Graphics, back_buffer, buffered_graphics, pe.ClipRectangle);
+ InvalidRegion.Exclude (pe.ClipRectangle);
+ }
+ buffered_graphics.Dispose ();
+ }
+
+ public void Invalidate ()
+ {
+ if (InvalidRegion != null)
+ InvalidRegion.Dispose ();
+ InvalidRegion = new Region (parent.ClientRectangle);
+ }
+
+ public void Dispose ()
+ {
+ if (real_graphics.Count > 0) {
+ pending_disposal = true;
+ return;
+ }
+
+ XplatUI.DestroyOffscreenDrawable (back_buffer);
+
+ if (InvalidRegion != null)
+ InvalidRegion.Dispose ();
+ InvalidRegion = null;
+ back_buffer = null;
+ GC.SuppressFinalize (this);
+ }
+
+ #region IDisposable Members
+ void IDisposable.Dispose ()
+ {
+ Dispose ();
+ }
+ #endregion
+
+ ~DoubleBuffer ()
+ {
+ Dispose ();
+ }
+ }
+
+ [ListBindable (false)]
#if NET_2_0
[ComVisible (false)]
+ public class ControlCollection : Layout.ArrangedElementCollection, IList, ICollection, ICloneable, IEnumerable {
#else
[DesignerSerializer("System.Windows.Forms.Design.ControlCollectionCodeDomSerializer, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.Serialization.CodeDomSerializer, " + Consts.AssemblySystem_Design)]
-#endif
- [ListBindable(false)]
public class ControlCollection : IList, ICollection, ICloneable, IEnumerable {
+#endif
#region ControlCollection Local Variables
+#if !NET_2_0
ArrayList list;
+#endif
ArrayList impl_list;
Control[] all_controls;
Control owner;
#region ControlCollection Public Constructor
public ControlCollection(Control owner) {
this.owner=owner;
+#if !NET_2_0
this.list=new ArrayList();
+#endif
}
#endregion
#region ControlCollection Public Instance Properties
+ int ICollection.Count {
+ get { return Count; }
+ }
+
+
+#if !NET_2_0
public int Count {
- get {
- return list.Count;
- }
+ get { return list.Count; }
}
+#endif
- public bool IsReadOnly {
+#if NET_2_0
+ bool IList.IsReadOnly
+#else
+ public bool IsReadOnly
+#endif
+ {
get {
return list.IsReadOnly;
}
}
+#if NET_2_0
+ public Control Owner { get { return this.owner; } }
+
+ public virtual Control this[string key] {
+ get {
+ int index = IndexOfKey (key);
+
+ if (index >= 0)
+ return this[index];
+
+ return null;
+ }
+ }
+
+ new
+#endif
public virtual Control this[int index] {
get {
if (index < 0 || index >= list.Count) {
}
return (Control)list[index];
}
+
+
}
#endregion // ControlCollection Public Instance Properties
- #region ControlCollection Private Instance Methods
+ #region ControlCollection Instance Methods
public virtual void Add (Control value)
{
if (value == null)
}
}
+#if NET_2_0
+ new
+#endif
public virtual void Clear ()
{
all_controls = null;
return Contains (value) || ImplicitContains (value);
}
+#if NET_2_0
+ public virtual bool ContainsKey (string key)
+ {
+ return IndexOfKey (key) >= 0;
+ }
+#endif
+
+ void ICollection.CopyTo (Array array, int index)
+ {
+ CopyTo (array, index);
+ }
+
+#if !NET_2_0
public void CopyTo (Array array, int index)
{
list.CopyTo(array, index);
}
- public override bool Equals(object other) {
+ public override bool Equals (object other)
+ {
if (other is ControlCollection && (((ControlCollection)other).owner==this.owner)) {
return(true);
} else {
return(false);
}
}
+#endif
+
+#if NET_2_0
+ // LAMESPEC: MSDN says AE, MS implementation throws ANE
+ public Control[] Find (string key, bool searchAllChildren)
+ {
+ if (string.IsNullOrEmpty (key))
+ throw new ArgumentNullException ("key");
+
+ ArrayList al = new ArrayList ();
+
+ foreach (Control c in list) {
+ if (c.Name.Equals (key, StringComparison.CurrentCultureIgnoreCase))
+ al.Add (c);
+
+ if (searchAllChildren)
+ al.AddRange (c.Controls.Find (key, true));
+ }
+
+ return (Control[])al.ToArray (typeof (Control));
+ }
+#endif
public int GetChildIndex(Control child) {
return GetChildIndex(child, false);
}
- public int GetChildIndex(Control child, bool throwException) {
+#if NET_2_0
+ public virtual int
+#else
+ public int
+#endif
+ GetChildIndex(Control child, bool throwException) {
int index;
index=list.IndexOf(child);
return index;
}
- public IEnumerator GetEnumerator() {
+#if NET_2_0
+ public override IEnumerator
+#else
+ public IEnumerator
+#endif
+ GetEnumerator ()
+ {
return list.GetEnumerator();
}
return all_controls;
}
- public override int GetHashCode() {
+#if !NET_2_0
+ public override int GetHashCode()
+ {
return base.GetHashCode();
}
+#endif
- public int IndexOf(Control control) {
+ public int IndexOf(Control control)
+ {
return list.IndexOf(control);
}
- public virtual void Remove(Control value) {
+#if NET_2_0
+ public virtual int IndexOfKey (string key)
+ {
+ if (string.IsNullOrEmpty (key))
+ return -1;
+
+ for (int i = 0; i < list.Count; i++)
+ if (((Control)list[i]).Name.Equals (key, StringComparison.CurrentCultureIgnoreCase))
+ return i;
+
+ return -1;
+ }
+#endif
+
+ public virtual void Remove(Control value)
+ {
if (value == null)
return;
owner.UpdateChildrenZOrder ();
}
- public void RemoveAt(int index) {
+#if NET_2_0
+ new
+#endif
+ public void RemoveAt(int index)
+ {
if (index < 0 || index >= list.Count) {
throw new ArgumentOutOfRangeException("index", index, "ControlCollection does not have that many controls");
}
Remove ((Control)list[index]);
}
- public void SetChildIndex(Control child, int newIndex) {
+#if NET_2_0
+ public virtual void RemoveByKey (string key)
+ {
+ int index = IndexOfKey (key);
+
+ if (index >= 0)
+ RemoveAt (index);
+ }
+
+ public virtual void
+#else
+ public void
+#endif
+ SetChildIndex(Control child, int newIndex)
+ {
if (child == null)
throw new ArgumentNullException ("child");
#region Public Constructors
public Control()
{
+ layout_type = LayoutType.Anchor;
anchor_style = AnchorStyles.Top | AnchorStyles.Left;
is_created = false;
right_to_left = RightToLeft.Inherit;
border_style = BorderStyle.None;
background_color = Color.Empty;
- dist_left = 0;
dist_right = 0;
- dist_top = 0;
dist_bottom = 0;
tab_stop = true;
ime_mode = ImeMode.Inherit;
- layout_engine = this.LayoutEngine;
- if (layout_engine == null)
- layout_engine = new Layout.DefaultLayout ();
#if NET_2_0
backgroundimage_layout = ImageLayout.Tile;
use_compatible_text_rendering = Application.use_compatible_text_rendering;
child_controls = CreateControlsInstance();
client_size = new Size(DefaultSize.Width, DefaultSize.Height);
client_rect = new Rectangle(0, 0, DefaultSize.Width, DefaultSize.Height);
- XplatUI.CalculateWindowRect(ref client_rect, CreateParams.Style, CreateParams.ExStyle, null, out bounds);
+ bounds.Size = SizeFromClientSize (client_size);
+
if ((CreateParams.Style & (int)WindowStyles.WS_CHILD) == 0) {
bounds.X=-1;
bounds.Y=-1;
DisposeBackBuffer ();
- if (invalid_region!=null) {
- invalid_region.Dispose();
- invalid_region=null;
+ if (bmp != null) {
+ bmp.Dispose ();
+ bmp = null;
+ }
+ if (bmp_g != null) {
+ bmp_g.Dispose ();
+ bmp_g = null;
}
+
if (this.InvokeRequired) {
if (Application.MessageLoop) {
this.BeginInvokeInternal(new MethodInvoker(DestroyHandle), null, true);
#endregion // Public Constructors
#region Internal Properties
+ internal bool VisibleInternal {
+ get { return is_visible; }
+ }
+
+ internal LayoutType ControlLayoutType {
+ get { return layout_type; }
+ }
+
internal BorderStyle InternalBorderStyle {
get {
return border_style;
border_style = value;
if (IsHandleCreated) {
- XplatUI.SetBorderStyle(window.Handle, (FormBorderStyle)border_style);
- Refresh();
+ XplatUI.SetBorderStyle (window.Handle, (FormBorderStyle)border_style);
+ RecreateHandle ();
+ Refresh ();
}
}
}
}
internal Graphics DeviceContext {
- get { return Hwnd.bmp_g; }
+ get {
+ if (bmp_g == null) {
+ bmp = new Bitmap(1, 1, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
+ bmp_g = Graphics.FromImage (bmp);
+ }
+ return bmp_g;
+ }
}
private void InvalidateBackBuffer ()
{
- if (invalid_region != null)
- invalid_region.Dispose();
- invalid_region = new Region (ClientRectangle);
+ if (backbuffer != null)
+ backbuffer.Invalidate ();
}
- private void CreateBackBuffer ()
+ private DoubleBuffer GetBackBuffer ()
{
- if (backbuffer != null)
- return;
-
- int width = Width;
- int height = Height;
-
- if (width < 1) width = 1;
- if (height < 1) height = 1;
-
- XplatUI.CreateOffscreenDrawable (Handle, width, height, out backbuffer, out backbuffer_dc);
- InvalidateBackBuffer ();
+ if (backbuffer == null)
+ backbuffer = new DoubleBuffer (this);
+ return backbuffer;
}
private void DisposeBackBuffer ()
{
- if (backbuffer == null)
- return;
-
- XplatUI.DestroyOffscreenDrawable (backbuffer, backbuffer_dc);
- backbuffer = null;
- backbuffer_dc = null;
-
-
- if (invalid_region != null)
- invalid_region.Dispose ();
- invalid_region = null;
+ if (backbuffer != null) {
+ backbuffer.Dispose ();
+ backbuffer = null;
+ }
}
internal static void SetChildColor(Control parent) {
}
container = GetContainerControl();
- if (container != null) {
+ if (container != null && (Control)container != control) {
container.ActiveControl = control;
}
if (control.IsHandleCreated) {
OnRightToLeftChanged(EventArgs.Empty);
}
- if ((new_parent != null) && new_parent.Created && !Created) {
+ if ((new_parent != null) && new_parent.Created && is_visible && !Created) {
CreateControl();
}
private void UpdateDistances() {
if (parent != null) {
- dist_left = bounds.X;
- dist_top = bounds.Y;
- dist_right = parent.ClientSize.Width - bounds.X - bounds.Width;
- dist_bottom = parent.ClientSize.Height - bounds.Y - bounds.Height;
+ if (bounds.Width > 0)
+ dist_right = parent.ClientSize.Width - bounds.X - bounds.Width;
+ if (bounds.Height > 0)
+ dist_bottom = parent.ClientSize.Height - bounds.Y - bounds.Height;
+ }
+ }
+
+ private bool UseDoubleBuffering {
+ get {
+ if (!ThemeEngine.Current.DoubleBufferingSupported)
+ return false;
+
+#if NET_2_0
+ if (DoubleBuffered)
+ return true;
+#endif
+ return (control_style & ControlStyles.DoubleBuffer) != 0;
}
}
#endregion // Private & Internal Methods
}
set {
+ layout_type = LayoutType.Anchor;
+
anchor_style=value;
- if (parent != null) {
- parent.PerformLayout(this, "Parent");
- }
+ UpdateDistances ();
+
+ if (parent != null)
+ parent.PerformLayout(this, "Anchor");
}
}
[Browsable (false)]
[EditorBrowsable (EditorBrowsableState.Never)]
[DefaultValue (false)]
+ [MonoTODO("This method currently does nothing")]
public virtual bool AutoSize {
- get {
- //Console.Error.WriteLine("Unimplemented: Control::get_AutoSize()");
- return auto_size;
- }
+ get { return auto_size; }
set {
- Console.Error.WriteLine("Unimplemented: Control::set_AutoSize(bool)");
- auto_size = value;
+ if (this.auto_size != value) {
+ auto_size = value;
+ OnAutoSizeChanged (EventArgs.Empty);
+ }
}
}
+#if NET_2_0
+ [AmbientValue ("{Width=0, Height=0}")]
+#else
[AmbientValue (typeof(Size), "0, 0")]
+#endif
public virtual Size MaximumSize {
get {
return maximum_size;
return minimum_size;
}
set {
- minimum_size = value;
+ if (minimum_size != value) {
+ minimum_size = value;
+ PerformLayout ();
+ }
}
}
#endif // NET_2_0
if (value != backgroundimage_layout) {
backgroundimage_layout = value;
Invalidate ();
+ OnBackgroundImageLayoutChanged (EventArgs.Empty);
}
}
set {
this.SetClientSizeCore(value.Width, value.Height);
+#if NET_2_0
+ this.OnClientSizeChanged (EventArgs.Empty);
+#endif
}
}
}
}
- internal bool ContainerSelected {
- get { return container_selected; }
- set { container_selected = value; }
- }
+ internal bool ContainerSelected {
+ get { return container_selected; }
+ set { container_selected = value; }
+ }
[EditorBrowsable(EditorBrowsableState.Advanced)]
[Browsable(false)]
}
#if NET_2_0
+ [DefaultValue (null)]
public virtual ContextMenuStrip ContextMenuStrip {
get { return this.context_menu_strip; }
set {
}
set {
+ layout_type = LayoutType.Dock;
+
if (dock_style == value) {
return;
}
}
if (parent != null) {
- parent.PerformLayout(this, "Parent");
+ parent.PerformLayout(this, "Dock");
}
OnDockChanged(EventArgs.Empty);
#if NET_2_0
protected virtual bool DoubleBuffered {
get {
- return (control_style & ControlStyles.DoubleBuffer) != 0;
+ return (control_style & ControlStyles.OptimizedDoubleBuffer) != 0;
}
set {
- SetStyle (ControlStyles.DoubleBuffer, value);
+ if (value == DoubleBuffered)
+ return;
+ if (value) {
+ SetStyle (ControlStyles.OptimizedDoubleBuffer | ControlStyles.AllPaintingInWmPaint, true);
+ } else {
+ SetStyle (ControlStyles.OptimizedDoubleBuffer, false);
+ }
+
}
}
#endif
}
set {
+ if (this.is_enabled != value) {
+ bool old_value = is_enabled;
- bool old_value = is_enabled;
-
- is_enabled = value;
- if (old_value != value && !value && this.has_focus)
- SelectNextControl(this, true, true, true, true);
+ is_enabled = value;
+ if (old_value != value && !value && this.has_focus)
+ SelectNextControl(this, true, true, true, true);
- OnEnabledChanged (EventArgs.Empty);
+ OnEnabledChanged (EventArgs.Empty);
+ }
}
}
font = value;
Invalidate();
OnFontChanged (EventArgs.Empty);
+ PerformLayout ();
}
}
public virtual
#endif
Layout.LayoutEngine LayoutEngine {
- get { return new Layout.DefaultLayout (); }
- }
+ get {
+ if (layout_engine == null)
+ layout_engine = new Layout.DefaultLayout ();
+ return layout_engine;
+ }
+ }
[EditorBrowsable(EditorBrowsableState.Always)]
[Browsable(false)]
[Localizable (true)]
public Padding Margin {
get { return this.margin; }
- set { this.margin = value; }
+ set {
+ if (this.margin != value) {
+ this.margin = value;
+ OnMarginChanged (EventArgs.Empty);
+ }
+ }
}
#endif
}
set {
- padding = value;
- OnPaddingChanged (EventArgs.Empty);
+ if (padding != value) {
+ padding = value;
+ OnPaddingChanged (EventArgs.Empty);
+ PerformLayout ();
+ }
}
}
#endif
}
set {
- if (value != null && IsHandleCreated) {
- XplatUI.SetClipRegion(Handle, value);
+ if (clip_region != value) {
+ if (value != null && IsHandleCreated)
+ XplatUI.SetClipRegion(Handle, value);
+
+ clip_region = value;
+#if NET_2_0
+ OnRegionChanged (EventArgs.Empty);
+#endif
}
- clip_region = value;
}
}
if (value != right_to_left) {
right_to_left = value;
OnRightToLeftChanged(EventArgs.Empty);
+ PerformLayout ();
}
}
}
}
}
+#if NET_2_0
+ protected virtual Cursor DefaultCursor { get { return Cursors.Default; } }
+#endif
+
protected virtual ImeMode DefaultImeMode {
get {
return ImeMode.Inherit;
protected virtual Padding DefaultMargin {
get { return new Padding (3); }
}
+
+ protected virtual Size DefaultMaximumSize { get { return new Size (); } }
+ protected virtual Size DefaultMinimumSize { get { return new Size (); } }
+ protected virtual Padding DefaultPadding { get { return new Padding (); } }
#endif
protected virtual Size DefaultSize {
return false;
}
- public void CreateControl() {
+ public void CreateControl ()
+ {
if (is_disposed) {
throw new ObjectDisposedException(GetType().FullName.ToString());
}
Control [] controls = child_controls.GetAllControls ();
for (int i=0; i<controls.Length; i++) {
- controls [i].CreateControl ();
+ if (controls [i].is_visible)
+ controls [i].CreateControl ();
}
UpdateChildrenZOrder();
}
public void Invalidate(System.Drawing.Rectangle rc, bool invalidateChildren) {
- if (!IsHandleCreated || !Visible || rc.Width == 0 || rc.Height == 0) {
+ // Win32 invalidates control including when Width and Height is equal 0
+ // or is not visible, only Paint event must be care about this.
+ if (!IsHandleCreated)
return;
- }
- NotifyInvalidate(rc);
+ if (rc.Width > 0 && rc.Height > 0) {
- XplatUI.Invalidate(Handle, rc, false);
+ NotifyInvalidate(rc);
- if (invalidateChildren) {
- Control [] controls = child_controls.GetAllControls ();
- for (int i=0; i<controls.Length; i++)
- controls [i].Invalidate ();
+ XplatUI.Invalidate(Handle, rc, false);
+
+ if (invalidateChildren) {
+ Control [] controls = child_controls.GetAllControls ();
+ for (int i=0; i<controls.Length; i++)
+ controls [i].Invalidate ();
+ }
}
OnInvalidated(new InvalidateEventArgs(rc));
}
// Perform all Dock and Anchor calculations
try {
- layout_engine.Layout(this, levent);
-
- // Let everyone know
OnLayout(levent);
}
return new Rectangle(PointToScreen(r.Location), r.Size);
}
- public virtual void Refresh() {
- if (IsHandleCreated == true) {
+ public virtual void Refresh() {
+ if (IsHandleCreated) {
Invalidate();
XplatUI.UpdateWindow(window.Handle);
}
if (layout_suspended == 0) {
- Control [] controls = child_controls.GetAllControls ();
if (performLayout && layout_pending) {
PerformLayout();
}
#endif
public void Select() {
- if (this is ContainerControl)
- ContainerSelected = true;
- else {
- Control c = this.Parent;
- while (c != null) {
- c.ContainerSelected = false;
- c = c.Parent;
- }
- }
+ if (this is ContainerControl)
+ ContainerSelected = true;
+ else {
+ Control c = this.Parent;
+ while (c != null) {
+ c.ContainerSelected = false;
+ c = c.Parent;
+ }
+ }
Select(false, false);
- }
+ }
#if DebugFocus
private void printTree(Control c, string t) {
}
}
- public void Show() {
+ public void Show ()
+ {
if (!is_created) {
this.CreateControl();
}
IContainerControl container;
container = GetContainerControl();
- if (container != null)
- container.ActiveControl = this;
+ if (container != null && (Control)container != this)
+ if (!this.Parent.ContainerSelected)
+ container.ActiveControl = this;
}
[EditorBrowsable(EditorBrowsableState.Advanced)]
[EditorBrowsable(EditorBrowsableState.Advanced)]
protected virtual void SetClientSizeCore(int x, int y) {
- // Calculate the actual window size from the client size (it usually stays the same or grows)
- Rectangle ClientRect;
- Rectangle WindowRect;
- CreateParams cp;
-
- ClientRect = new Rectangle(0, 0, x, y);
- cp = this.CreateParams;
-
- if (XplatUI.CalculateWindowRect(ref ClientRect, cp.Style, cp.ExStyle, null, out WindowRect)==false) {
- return;
- }
-
- SetBounds(bounds.X, bounds.Y, WindowRect.Width, WindowRect.Height, BoundsSpecified.Size);
+ Size NewSize = SizeFromClientSize (new Size (x, y));
+
+ if (NewSize != Size.Empty)
+ SetBounds (bounds.X, bounds.Y, NewSize.Width, NewSize.Height, BoundsSpecified.Size);
}
[EditorBrowsable(EditorBrowsableState.Advanced)]
protected void SetTopLevel(bool value) {
if ((GetTopLevel() != value) && (parent != null)) {
- throw new Exception();
+ throw new ArgumentException ("Cannot change toplevel style of a parented control.");
}
if (this is Form) {
}
} else {
if (Visible) {
- Visible = false;
+ Visible = false;
}
}
}
protected virtual void SetVisibleCore(bool value) {
if (value!=is_visible) {
- if (value && (window.Handle == IntPtr.Zero) || !is_created) {
+ if (value && ((window.Handle == IntPtr.Zero) || !is_created)) {
CreateControl();
}
if (parent != null) {
parent.PerformLayout(this, "visible");
} else {
- PerformLayout(this, "visible");
+ if (is_visible)
+ PerformLayout(this, "visible");
}
}
}
-
+
+#if NET_2_0
+ protected
+#else
+ internal
+#endif
+ virtual Size SizeFromClientSize (Size clientSize)
+ {
+ Rectangle ClientRect;
+ Rectangle WindowRect;
+ CreateParams cp;
+
+ ClientRect = new Rectangle (0, 0, clientSize.Width, clientSize.Height);
+ cp = this.CreateParams;
+
+ if (XplatUI.CalculateWindowRect (ref ClientRect, cp.Style, cp.ExStyle, null, out WindowRect))
+ return new Size (WindowRect.Width, WindowRect.Height);
+
+ return Size.Empty;
+ }
+
[EditorBrowsable(EditorBrowsableState.Advanced)]
protected void UpdateBounds() {
int x;
if (resized) {
OnSizeChanged(EventArgs.Empty);
+#if NET_2_0
+ OnClientSizeChanged (EventArgs.Empty);
+#endif
}
}
if (paint_event == null) {
return;
}
-
- if (invalid_region != null && !invalid_region.IsVisible (paint_event.ClipRectangle)) {
-
- // Just blit the previous image
- XplatUI.BlitFromOffscreen (Handle, paint_event.Graphics, backbuffer, backbuffer_dc, paint_event.ClipRectangle);
- XplatUI.PaintEventEnd (Handle, true);
- return;
- }
-
- Graphics dc = null;
- Graphics back_dc = null;
- object back = null;
- if (ThemeEngine.Current.DoubleBufferingSupported) {
- if ((control_style & ControlStyles.DoubleBuffer) != 0) {
- CreateBackBuffer ();
- back = backbuffer;
- back_dc = backbuffer_dc;
- dc = paint_event.SetGraphics (back_dc);
+ DoubleBuffer current_buffer = null;
+ if (UseDoubleBuffering) {
+ current_buffer = GetBackBuffer ();
+ if (!current_buffer.InvalidRegion.IsVisible (paint_event.ClipRectangle)) {
+ // Just blit the previous image
+ current_buffer.Blit (paint_event);
+ XplatUI.PaintEventEnd (Handle, true);
+ return;
}
+ current_buffer.Start (paint_event);
}
-
+
if (!GetStyle(ControlStyles.Opaque)) {
OnPaintBackground(paint_event);
}
OnPaint(paint_event);
}
- if (ThemeEngine.Current.DoubleBufferingSupported)
- if ((control_style & ControlStyles.DoubleBuffer) != 0) {
- XplatUI.BlitFromOffscreen (Handle, dc, back, back_dc, paint_event.ClipRectangle);
- paint_event.SetGraphics (dc);
- invalid_region.Exclude (paint_event.ClipRectangle);
+ if (current_buffer != null) {
+ current_buffer.End (paint_event);
+ }
- if (back != backbuffer)
- XplatUI.DestroyOffscreenDrawable (back, back_dc);
- }
XplatUI.PaintEventEnd(Handle, true);
}
case Msg.WM_SETFOCUS: {
- if (!has_focus) {
- this.has_focus = true;
+ if (!has_focus) {
if (this.Parent != null && this.Parent.ContainerSelected)
return;
- OnGotFocusInternal (EventArgs.Empty);
+ this.has_focus = true;
+ OnGotFocusInternal (EventArgs.Empty);
}
return;
}
#endregion // Public Instance Methods
#region OnXXX methods
- [EditorBrowsable(EditorBrowsableState.Advanced)]
+#if NET_2_0
+ protected virtual void OnAutoSizeChanged (EventArgs e)
+ {
+ EventHandler eh = (EventHandler)(Events[AutoSizeChangedEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+#endif
+
+ [EditorBrowsable (EditorBrowsableState.Advanced)]
protected virtual void OnBackColorChanged(EventArgs e) {
EventHandler eh = (EventHandler)(Events [BackColorChangedEvent]);
if (eh != null)
for (int i=0; i<child_controls.Count; i++) child_controls[i].OnParentBackgroundImageChanged(e);
}
+#if NET_2_0
+ [EditorBrowsable (EditorBrowsableState.Advanced)]
+ protected virtual void OnBackgroundImageLayoutChanged (EventArgs e)
+ {
+ EventHandler eh = (EventHandler)(Events[BackgroundImageLayoutChangedEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+#endif
+
[EditorBrowsable(EditorBrowsableState.Advanced)]
protected virtual void OnBindingContextChanged(EventArgs e) {
CheckDataBindings ();
eh (this, e);
}
+#if NET_2_0
+ [EditorBrowsable (EditorBrowsableState.Advanced)]
+ protected virtual void OnClientSizeChanged (EventArgs e)
+ {
+ EventHandler eh = (EventHandler)(Events[ClientSizeChangedEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+#endif
+
[EditorBrowsable(EditorBrowsableState.Advanced)]
protected virtual void OnContextMenuChanged(EventArgs e) {
EventHandler eh = (EventHandler)(Events [ContextMenuChangedEvent]);
eh (this, e);
}
+ internal void RaiseHelpRequested (HelpEventArgs hevent)
+ {
+ OnHelpRequested (hevent);
+ }
+
[EditorBrowsable(EditorBrowsableState.Advanced)]
protected virtual void OnHelpRequested(HelpEventArgs hevent) {
HelpEventHandler eh = (HelpEventHandler)(Events [HelpRequestedEvent]);
[EditorBrowsable(EditorBrowsableState.Advanced)]
protected virtual void OnInvalidated(InvalidateEventArgs e) {
- if (ThemeEngine.Current.DoubleBufferingSupported)
- if ((control_style & ControlStyles.DoubleBuffer) != 0) {
- // should this block be here? seems like it
- // would be more at home in
- // NotifyInvalidated..
- if (e.InvalidRect == ClientRectangle) {
- InvalidateBackBuffer ();
- }
- else {
- // we need this Inflate call here so
- // that the border of the rectangle is
- // considered Visible (the
- // invalid_region.IsVisible call) in
- // the WM_PAINT handling below.
- Rectangle r = Rectangle.Inflate(e.InvalidRect, 1,1);
- if (invalid_region == null)
- invalid_region = new Region (r);
- else
- invalid_region.Union (r);
- }
+ if (UseDoubleBuffering) {
+ // should this block be here? seems like it
+ // would be more at home in
+ // NotifyInvalidated..
+ if (e.InvalidRect == ClientRectangle) {
+ InvalidateBackBuffer ();
+ } else if (backbuffer != null){
+ // we need this Inflate call here so
+ // that the border of the rectangle is
+ // considered Visible (the
+ // invalid_region.IsVisible call) in
+ // the WM_PAINT handling below.
+ Rectangle r = Rectangle.Inflate(e.InvalidRect, 1,1);
+ backbuffer.InvalidRegion.Union (r);
}
+ }
InvalidateEventHandler eh = (InvalidateEventHandler)(Events [InvalidatedEvent]);
if (eh != null)
LayoutEventHandler eh = (LayoutEventHandler)(Events [LayoutEvent]);
if (eh != null)
eh (this, levent);
+
+ LayoutEngine.Layout (this, levent);
}
[EditorBrowsable(EditorBrowsableState.Advanced)]
}
#if NET_2_0
+ protected virtual void OnMarginChanged (EventArgs e)
+ {
+ EventHandler eh = (EventHandler)(Events[MarginChangedEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+
[EditorBrowsable (EditorBrowsableState.Advanced)]
protected virtual void OnMouseCaptureChanged (EventArgs e)
{
eh (this, e);
}
+#if NET_2_0
+ [EditorBrowsable (EditorBrowsableState.Advanced)]
+ protected virtual void OnRegionChanged (EventArgs e)
+ {
+ EventHandler eh = (EventHandler)(Events[RegionChangedEvent]);
+ if (eh != null)
+ eh (this, e);
+ }
+#endif
+
[EditorBrowsable(EditorBrowsableState.Advanced)]
protected virtual void OnResize(EventArgs e) {
+ PerformLayout(this, "Bounds");
+
EventHandler eh = (EventHandler)(Events [ResizeEvent]);
if (eh != null)
eh (this, e);
-
- PerformLayout(this, "bounds");
-
- if (parent != null) {
- parent.PerformLayout();
- }
}
[EditorBrowsable(EditorBrowsableState.Advanced)]
static object VisibleChangedEvent = new object ();
#if NET_2_0
+ [Browsable (false)]
+ [EditorBrowsable (EditorBrowsableState.Never)]
public event EventHandler AutoSizeChanged {
add { Events.AddHandler (AutoSizeChangedEvent, value);}
remove {Events.RemoveHandler (AutoSizeChangedEvent, value);}
}
#if NET_2_0
- public event EventHandler PreviewKeyDown {
+ public event PreviewKeyDownEventHandler PreviewKeyDown {
add { Events.AddHandler (PreviewKeyDownEvent, value); }
remove { Events.RemoveHandler (PreviewKeyDownEvent, value); }
}
projects / mono.git / blobdiff