diff options
Diffstat (limited to 'mcs/class/Managed.Windows.Forms/System.Windows.Forms/UpDownBase.cs')
| -rw-r--r-- | mcs/class/Managed.Windows.Forms/System.Windows.Forms/UpDownBase.cs | 680 |
1 files changed, 680 insertions, 0 deletions
diff --git a/mcs/class/Managed.Windows.Forms/System.Windows.Forms/UpDownBase.cs b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/UpDownBase.cs new file mode 100644 index 00000000000..cc71a16d4d7 --- /dev/null +++ b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/UpDownBase.cs @@ -0,0 +1,680 @@ +// 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 +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to +// permit persons to whom the Software is furnished to do so, subject to +// the following conditions: +// +// The above copyright notice and this permission notice shall be +// included in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +// 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) 2005 Novell, Inc. +// +// Authors: +// Jonathan Gilbert <logic@deltaq.org> +// +// Integration into MWF: +// Peter Bartok <pbartok@novell.com> +// + +// COMPLETE + +using System; +using System.Collections; +using System.ComponentModel; +using System.Drawing; +using System.Runtime.InteropServices; +using System.Windows.Forms; + +namespace System.Windows.Forms +{ + [Designer("System.Windows.Forms.Design.UpDownBaseDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")] + public abstract class UpDownBase : System.Windows.Forms.ContainerControl { + #region UpDownSpinner Sub-class + internal sealed class UpDownSpinner : Control { + #region Local Variables + private const int InitialRepeatDelay = 50; + private UpDownBase owner; + private Timer tmrRepeat; + private Rectangle top_button_rect; + private Rectangle bottom_button_rect; + private int mouse_pressed; + private int mouse_x; + private int mouse_y; + private int repeat_delay; + private int repeat_counter; + #endregion // Local Variables + + #region Constructors + public UpDownSpinner(UpDownBase owner) { + this.owner = owner; + + mouse_pressed = 0; + + this.SetStyle(ControlStyles.AllPaintingInWmPaint, true); + this.SetStyle(ControlStyles.DoubleBuffer, true); + this.SetStyle(ControlStyles.Opaque, true); + this.SetStyle(ControlStyles.ResizeRedraw, true); + this.SetStyle(ControlStyles.UserPaint, true); + this.SetStyle(ControlStyles.Selectable, false); + + tmrRepeat = new Timer(); + + tmrRepeat.Enabled = false; + tmrRepeat.Interval = 10; + tmrRepeat.Tick += new EventHandler(tmrRepeat_Tick); + + compute_rects(); + } + #endregion // Constructors + + #region Private & Internal Methods + private void compute_rects() { + int top_button_height; + int bottom_button_height; + + top_button_height = ClientSize.Height / 2; + bottom_button_height = ClientSize.Height - top_button_height; + + top_button_rect = new Rectangle(0, 0, ClientSize.Width, top_button_height); + bottom_button_rect = new Rectangle(0, top_button_height, ClientSize.Width, bottom_button_height); + } + + private void redraw(Graphics graphics) { + ButtonState top_button_state; + ButtonState bottom_button_state; + + top_button_state = bottom_button_state = ButtonState.Normal; + + if (mouse_pressed != 0) { + if ((mouse_pressed == 1) && top_button_rect.Contains(mouse_x, mouse_y)) { + top_button_state = ButtonState.Pushed; + } + + if ((mouse_pressed == 2) && bottom_button_rect.Contains(mouse_x, mouse_y)) { + bottom_button_state = ButtonState.Pushed; + } + } + + ControlPaint.DrawScrollButton(graphics, top_button_rect, ScrollButton.Up, top_button_state); + ControlPaint.DrawScrollButton(graphics, bottom_button_rect, ScrollButton.Down, bottom_button_state); + } + + private void tmrRepeat_Tick(object sender, EventArgs e) { + if (repeat_delay > 1) { + repeat_counter++; + + if (repeat_counter < repeat_delay) { + return; + } + + repeat_counter = 0; + repeat_delay = (repeat_delay * 3 / 4); + } + + if (mouse_pressed == 0) { + tmrRepeat.Enabled = false; + } + + if ((mouse_pressed == 1) && top_button_rect.Contains(mouse_x, mouse_y)) { + owner.UpButton(); + } + + if ((mouse_pressed == 2) && bottom_button_rect.Contains(mouse_x, mouse_y)) { + owner.DownButton(); + } + } + #endregion // Private & Internal Methods + + #region Protected Instance Methods + protected override void OnMouseDown(MouseEventArgs e) { + this.Select(owner.txtView); + + if (e.Button != MouseButtons.Left) { + return; + } + + if (top_button_rect.Contains(e.X, e.Y)) { + mouse_pressed = 1; + owner.UpButton(); + } else if (bottom_button_rect.Contains(e.X, e.Y)) { + mouse_pressed = 2; + owner.DownButton(); + } + + mouse_x = e.X; + mouse_y = e.Y; + Capture = true; + + tmrRepeat.Enabled = true; + repeat_counter = 0; + repeat_delay = InitialRepeatDelay; + + using (Graphics g = CreateGraphics()) { + redraw(g); + } + } + + protected override void OnMouseMove(MouseEventArgs e) { + ButtonState before, after; + + before = ButtonState.Normal; + if ((mouse_pressed == 1) && top_button_rect.Contains(mouse_x, mouse_y)) + before = ButtonState.Pushed; + if ((mouse_pressed == 2) && bottom_button_rect.Contains(mouse_x, mouse_y)) + before = ButtonState.Pushed; + + mouse_x = e.X; + mouse_y = e.Y; + + after = ButtonState.Normal; + if ((mouse_pressed == 1) && top_button_rect.Contains(mouse_x, mouse_y)) + after = ButtonState.Pushed; + if ((mouse_pressed == 2) && bottom_button_rect.Contains(mouse_x, mouse_y)) + after = ButtonState.Pushed; + + if (before != after) { + if (after == ButtonState.Pushed) { + tmrRepeat.Enabled = true; + repeat_counter = 0; + repeat_delay = InitialRepeatDelay; + + // fire off one right now too for good luck + if (mouse_pressed == 1) + owner.UpButton(); + if (mouse_pressed == 2) + owner.DownButton(); + } + else + tmrRepeat.Enabled = false; + + using (Graphics g = CreateGraphics()) { + redraw(g); + } + } + } + + protected override void OnMouseUp(MouseEventArgs e) { + mouse_pressed = 0; + Capture = false; + + using (Graphics g = CreateGraphics()) { + redraw(g); + } + } + + protected override void OnMouseWheel(MouseEventArgs e) { + if (e.Delta > 0) + owner.UpButton(); + else if (e.Delta < 0) + owner.DownButton(); + } + + protected override void OnPaint(PaintEventArgs e) { + redraw(e.Graphics); + } + + protected override void OnResize(EventArgs e) { + base.OnResize(e); + compute_rects(); + } + #endregion // Protected Instance Methods + } + #endregion // UpDownSpinner Sub-class + + #region Local Variables + internal TextBox txtView; + private UpDownSpinner spnSpinner; + private bool _InterceptArrowKeys = true; + private LeftRightAlignment _UpDownAlign; + private bool changing_text; + private bool user_edit; + #endregion // Local Variables + + #region Public Constructors + public UpDownBase() { + _UpDownAlign = LeftRightAlignment.Right; + border_style = BorderStyle.Fixed3D; + + spnSpinner = new UpDownSpinner(this); + + txtView = new TextBox(); + txtView.ModifiedChanged += new EventHandler(OnChanged); + txtView.AcceptsReturn = true; + txtView.AutoSize = false; + txtView.BorderStyle = BorderStyle.None; + txtView.Location = new System.Drawing.Point(17, 17); + txtView.TabIndex = 0; + + SuspendLayout (); + Controls.AddImplicit (txtView); + Controls.AddImplicit (spnSpinner); + ResumeLayout (); + + this.ActiveControl = txtView; + + Height = PreferredHeight; + base.BackColor = txtView.BackColor; + + txtView.MouseWheel += new MouseEventHandler(txtView_MouseWheel); + + txtView.KeyDown += new KeyEventHandler(OnTextBoxKeyDown); + txtView.KeyPress += new KeyPressEventHandler(OnTextBoxKeyPress); + txtView.LostFocus += new EventHandler(OnTextBoxLostFocus); + txtView.Resize += new EventHandler(OnTextBoxResize); + txtView.TextChanged += new EventHandler(OnTextBoxTextChanged); + + txtView.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right; + this.Paint +=new PaintEventHandler(UpDownBase_Paint); + + SetStyle(ControlStyles.FixedHeight, true); + + UpdateEditText(); + } + #endregion + + #region Private Methods + void reseat_controls() { + int text_displacement = 0; + + int spinner_width = 16; + //int spinner_width = ClientSize.Height; + + if (_UpDownAlign == LeftRightAlignment.Left) { + spnSpinner.Bounds = new Rectangle(0, 0, spinner_width, ClientSize.Height); + text_displacement = spnSpinner.Width; + + spnSpinner.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left; + } else { + spnSpinner.Bounds = new Rectangle(ClientSize.Width - spinner_width, 0, spinner_width, ClientSize.Height); + + spnSpinner.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Right; + } + + txtView.Bounds = new Rectangle(text_displacement, 0, ClientSize.Width - spinner_width, Height); + } + + private void txtView_MouseWheel(object sender, MouseEventArgs e) { + if (e.Delta > 0) { + UpButton(); + } else if (e.Delta < 0) { + DownButton(); + } + } + + + private void UpDownBase_Paint(object sender, PaintEventArgs e) { + e.Graphics.FillRectangle(ThemeEngine.Current.ResPool.GetSolidBrush(BackColor), ClientRectangle); + } + #endregion // Private Methods + + #region Public Instance Properties + [Browsable(false)] + [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)] + [EditorBrowsable(EditorBrowsableState.Never)] + public override bool AutoScroll { + get { + return base.AutoScroll; + } + + set { + base.AutoScroll = value; + } + } + + [Browsable(false)] + [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)] + [EditorBrowsable(EditorBrowsableState.Never)] + public Size AutoScrollMargin { + get { + return base.AutoScrollMargin; + } + + set { + base.AutoScrollMargin = value; + } + } + + [Browsable(false)] + [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)] + [EditorBrowsable(EditorBrowsableState.Never)] + public Size AutoScrollMinSize { + get { + return base.AutoScrollMinSize; + } + + set { + base.AutoScrollMinSize = value; + } + } + + public override Color BackColor { + get { + return base.BackColor; + } + + set { + base.BackColor = value; + txtView.BackColor = value; + } + } + + [Browsable(false)] + [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)] + [EditorBrowsable(EditorBrowsableState.Never)] + public override Image BackgroundImage { + get { + return base.BackgroundImage; + } + set { + base.BackgroundImage = value; + txtView.BackgroundImage = value; + } + } + + + [DefaultValue(BorderStyle.Fixed3D)] + [DispId(-504)] + public BorderStyle BorderStyle { + get { return InternalBorderStyle; } + set { InternalBorderStyle = value; } + } + + public override ContextMenu ContextMenu { + get { + return base.ContextMenu; + } + set { + base.ContextMenu = value; + txtView.ContextMenu = value; + spnSpinner.ContextMenu = value; + } + } + + [Browsable(false)] + [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)] + [EditorBrowsable(EditorBrowsableState.Never)] + public DockPaddingEdges DockPadding { + get { + return base.DockPadding; + } + } + + [Browsable(false)] + [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)] + public override bool Focused { + get { + return txtView.Focused; + } + } + + public override Color ForeColor { + get { + return base.ForeColor; + } + set { + base.ForeColor = value; + txtView.ForeColor = value; + } + } + + [DefaultValue(true)] + public bool InterceptArrowKeys { + get { + return _InterceptArrowKeys; + } + set { + _InterceptArrowKeys = value; + } + } + + [Browsable(false)] + [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)] + [EditorBrowsable(EditorBrowsableState.Advanced)] + public int PreferredHeight { + get { + // For some reason, the TextBox's PreferredHeight does not + // change when the Font property is assigned. Without a + // border, it will always be Font.Height anyway. + //int text_box_preferred_height = (txtView != null) ? txtView.PreferredHeight : Font.Height; + int text_box_preferred_height = Font.Height; + + switch (border_style) { + case BorderStyle.FixedSingle: + case BorderStyle.Fixed3D: + text_box_preferred_height += 3; // magic number? :-) + + return text_box_preferred_height + 4; + + case BorderStyle.None: + default: + return text_box_preferred_height; + } + } + } + + [DefaultValue(false)] + public bool ReadOnly { + get { + return txtView.ReadOnly; + } + set { + txtView.ReadOnly = value; + } + } + + [Localizable(true)] + public override string Text { + get { + return txtView.Text; + } + set { + bool suppress_validation = changing_text; + + txtView.Text = value; + + if (!suppress_validation) + ValidateEditText(); + } + } + + [DefaultValue(HorizontalAlignment.Left)] + [Localizable(true)] + public HorizontalAlignment TextAlign { + get { + return txtView.TextAlign; + } + set{ + txtView.TextAlign = value; + } + } + + [DefaultValue(LeftRightAlignment.Right)] + [Localizable(true)] + public LeftRightAlignment UpDownAlign { + get { + return _UpDownAlign; + } + set { + _UpDownAlign = value; + + reseat_controls(); + } + } + #endregion // Public Instance Properties + + #region Protected Instance Properties + protected bool ChangingText { + get { + return changing_text; + } + set { + changing_text = value; + } + } + + protected override CreateParams CreateParams { + get { + return base.CreateParams; + } + } + + protected override Size DefaultSize { + get { + return new Size(120, this.PreferredHeight); + } + } + + protected bool UserEdit { + get { + return user_edit; + } + set { + user_edit = value; + } + } + #endregion // Protected Instance Properties + + #region Public Instance Methods + public abstract void DownButton(); + public void Select(int start, int length) { + txtView.Select(start, length); + } + + public abstract void UpButton(); + #endregion // Public Instance Methods + + #region Protected Instance Methods + protected override void Dispose(bool disposing) { + if (disposing) { + txtView.Dispose(); + txtView = null; + + spnSpinner.Dispose(); + spnSpinner = null; + } + base.Dispose (disposing); + } + + [MonoTODO] + protected virtual void OnChanged(object source, EventArgs e) { + // FIXME + } + + protected override void OnFontChanged(EventArgs e) { + txtView.Font = this.Font; + Height = PreferredHeight; + } + + protected override void OnHandleCreated(EventArgs e) { + base.OnHandleCreated (e); + } + + protected override void OnLayout(LayoutEventArgs e) { + base.OnLayout(e); + } + + protected override void OnMouseWheel(MouseEventArgs e) { + // prevent this event from firing twice for the same mouse action! + if (GetChildAtPoint(new Point(e.X, e.Y)) == null) + txtView_MouseWheel(null, e); + } + + protected virtual void OnTextBoxKeyDown(object source, KeyEventArgs e) { + if (_InterceptArrowKeys) { + if ((e.KeyCode == Keys.Up) || (e.KeyCode == Keys.Down)) { + e.Handled = true; + + if (e.KeyCode == Keys.Up) + UpButton(); + if (e.KeyCode == Keys.Down) + DownButton(); + } + } + + OnKeyDown(e); + } + + protected virtual void OnTextBoxKeyPress(object source, KeyPressEventArgs e) { + if (e.KeyChar == '\r') { + e.Handled = true; + ValidateEditText(); + } + OnKeyPress(e); + } + + protected virtual void OnTextBoxLostFocus(object source, EventArgs e) { + if (user_edit) { + ValidateEditText(); + } + } + + protected virtual void OnTextBoxResize(object source, EventArgs e) { + // compute the new height, taking the border into account + Height = PreferredHeight; + + // let anchoring reposition the controls + } + + protected virtual void OnTextBoxTextChanged(object source, EventArgs e) { + if (changing_text) { + ChangingText = false; + } else { + UserEdit = true; + } + + OnTextChanged(e); + } + + protected override void SetBoundsCore(int x, int y, int width, int height, BoundsSpecified specified) { + base.SetBoundsCore(x, y, width, height, specified); + + if ((specified & BoundsSpecified.Size) != BoundsSpecified.None) { + reseat_controls(); + } + } + + protected abstract void UpdateEditText(); + + protected virtual void ValidateEditText() { + // to be overridden by subclassers + } + + [EditorBrowsable(EditorBrowsableState.Advanced)] + protected override void WndProc(ref Message m) { + base.WndProc (ref m); + } + #endregion // Protected Instance Methods + + #region Events + [Browsable(false)] + [EditorBrowsable(EditorBrowsableState.Never)] + public new event EventHandler BackgroundImageChanged; + + [Browsable(false)] + [EditorBrowsable(EditorBrowsableState.Never)] + public new event EventHandler MouseEnter; + + [Browsable(false)] + [EditorBrowsable(EditorBrowsableState.Never)] + public new event EventHandler MouseHover; + + [Browsable(false)] + [EditorBrowsable(EditorBrowsableState.Never)] + public new event EventHandler MouseLeave; + + [Browsable(false)] + [EditorBrowsable(EditorBrowsableState.Never)] + public new event MouseEventHandler MouseMove; + #endregion // Events + } +} |