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This commit is contained in:
John Jenko
2009-06-16 14:23:01 +00:00
parent 368c85c98b
commit a17a98fe57
3 changed files with 154 additions and 19 deletions
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150
PROMS/Volian.Controls.Library/StepRTB.cs
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@@ -13,6 +13,9 @@ using VEPROMS.CSLA.Library;
namespace Volian.Controls.Library
{
public delegate void StepRTBEvent(object sender, EventArgs args);
public delegate void StepRTBCursorKeysEvent(object sender, KeyEventArgs args);
public delegate void StepRTBCursorMovementEvent(object sender, StepRTBCursorMovementEventArgs args);
//public delegate void StepRTBMouseWheelEvent(object sender, MouseEventArgs args);
public partial class StepRTB : RichTextBox , IStepRTB
{
#region Events
@@ -31,6 +34,22 @@ namespace Volian.Controls.Library
{
if (RTBRangeStatusChanged != null) RTBRangeStatusChanged(sender, args);
}
public event StepRTBCursorKeysEvent CursorKeyPress;
private void OnCursorKeyPress(object sender, KeyEventArgs args)
{
if (CursorKeyPress != null) CursorKeyPress(sender, args);
}
public event StepRTBCursorMovementEvent CursorMovement;
private void OnCursorMovement(object sender, StepRTBCursorMovementEventArgs args)
{
if (CursorMovement != null) CursorMovement(sender, args);
}
//public event StepRTBMouseWheelEvent MouseWheel;
//private void OnMouseWheel(object sender, MouseEventArgs args)
//{
// if (MouseWheel != null) MouseWheel(sender, args);
//}
/// <summary>
/// This event is not raised during all the in-between changes for link deletions
/// </summary>
@@ -166,10 +185,15 @@ namespace Volian.Controls.Library
get { return RTBAPI.GetScrollLocation(this); }
set { RTBAPI.SetScrollLocation(this, value); }
}
private Rectangle _ContentsRectangle;
private Rectangle _ContentsRectangle = new Rectangle(0,0,0,0);
public Rectangle ContentsRectangle
{
get { return _ContentsRectangle; }
get
{
if (_ContentsRectangle.X == 0 && _ContentsRectangle.Y == 0 && _ContentsRectangle.Width == 0 && _ContentsRectangle.Height == 0)
_ContentsRectangle = this.ClientRectangle;
return _ContentsRectangle;
}
set
{
_ContentsRectangle = value;
@@ -180,7 +204,7 @@ namespace Volian.Controls.Library
{
get { return _ContentsRectangle.Size; }
}
private Size _AdjustSize; // if 0,0 puts text right next to bottom of box.
private Size _AdjustSize = new Size(0,0); // if 0,0 puts text right next to bottom of box.
public Size AdjustSize
{
get { return _AdjustSize; }
@@ -232,14 +256,16 @@ namespace Volian.Controls.Library
_Container = container;
SetUp();
}
protected override void OnMouseWheel(MouseEventArgs e)
{
_MyStepItem.MyStepPanel.MouseWheel(e);
//base.OnMouseWheel(e);
}
//protected override void OnMouseWheel(MouseEventArgs e)
//{
// //_MyStepItem.MyStepPanel.MouseWheel(e);
// OnMouseWheel(this,e);
// //base.OnMouseWheel(e);
//}
private void SetUp()
{
BorderStyle = System.Windows.Forms.BorderStyle.None;
this.ScrollBars = RichTextBoxScrollBars.None;
this.DetectUrls = true;
ContentsResized += new ContentsResizedEventHandler(StepRTB_ContentsResized);
this.LinkClicked += new LinkClickedEventHandler(StepRTB_LinkClicked);
@@ -274,7 +300,8 @@ namespace Volian.Controls.Library
void StepRTB_MouseUp(object sender, MouseEventArgs e)
{
_MouseDown = false;
HandleSelectionChange();
if(this.Focused) // Only HandleSelectionChange if this control has focus.
HandleSelectionChange();
}
#endregion
#region ApplicationSupport
@@ -574,11 +601,79 @@ namespace Volian.Controls.Library
}
private void AdjustSizeForContents()
{
// The client size should match the new rectangle.
// First, determine the offset
Size offset = Size - ClientSize;
this.Size = ContentsSize + offset + AdjustSize;
OnHeightChanged(this, new EventArgs());
int widthNew = ContentsSize.Width + offset.Width + AdjustSize.Width;
int heightNew = ContentsSize.Height + offset.Height + AdjustSize.Height;
Size szNew = new Size(widthNew,heightNew);
if (this.Size != szNew)
{
this.Size = szNew;
OnHeightChanged(this, new EventArgs());
}
}
private float GetStringWidth(string strMeasureString)
{
using (Graphics g = Graphics.FromHwnd(Handle))
{
return g.MeasureString(strMeasureString, Font).Width;
}
}
private int Ceiling(float f)
{
return (int)(Math.Ceiling(f));
}
public void AdjustWidthForContent()
{
int widthNL = Ceiling(GetStringWidth("\n"));
int widthMax = 0;
int widthMaxWW = 0;
int indexStart = 0;
int lineCountFromLines = Lines.Length;
int lineCountFromGet = GetLineFromCharIndex(TextLength)+1;
for (int i = 0; i < Lines.Length; i++)
{
int lineStart = GetLineFromCharIndex(indexStart);
int indexEnd = indexStart + Lines[i].Length;
int lineEnd = GetLineFromCharIndex(indexEnd);
Point pointStart = GetPositionFromCharIndex(indexStart);
Point pointEnd = GetPositionFromCharIndex(indexEnd);
int indexEndPos = GetCharIndexFromPosition(pointEnd);
if (indexEndPos + 1 < indexEnd) // This indicates that the text is wider than the Rich Text Box
{
int w = pointEnd.X + (indexEnd - indexEndPos) * widthNL;
if (w > widthMaxWW)
{
widthMaxWW = w;
}
}
if (lineEnd > lineStart)// this indicates that there was word-wrap on this line.
{
int w = pointEnd.X + Width * (lineEnd - lineStart);
if (w > widthMaxWW)
widthMaxWW = w;
}
else
{
if (pointEnd.X > widthMax)
widthMax = pointEnd.X;
}
indexStart = indexEnd + 1;
}
if (widthMaxWW == 0)
{
int widthBorder = Width - ClientSize.Width;
int w = widthMax + widthNL + widthBorder;
if (Width != w)
{
Width = w;
AdjustWidthForContent();// Try one more time
}
}
else
{
Width = widthMaxWW;
AdjustWidthForContent();
}
}
public int CalculateHeight()
{
@@ -1129,17 +1224,20 @@ namespace Volian.Controls.Library
if (MyItemInfo.IsProcedure || MyItemInfo.IsSection) return;
// Cursor moves out of box only if control is pressed too - otherwise key is
// handled in rtb.
if (keyargs.Control)_MyStepItem.MyStepPanel.StepCursorKeys(this, keyargs);
//if (keyargs.Control)_MyStepItem.MyStepPanel.StepCursorKeys(this, keyargs); // Replaced with an event
if (keyargs.Control) OnCursorKeyPress(this, keyargs);
}
private void StepRTB_PageKeyPressed(KeyEventArgs keyargs)
{
if (MyItemInfo.IsProcedure || MyItemInfo.IsSection) return;
_MyStepItem.MyStepPanel.StepCursorKeys(this, keyargs);
//_MyStepItem.MyStepPanel.StepCursorKeys(this, keyargs); Replaced with an event
OnCursorKeyPress(this, keyargs);
}
private void StepRTB_ArrowPressed(E_ArrowKeys key)
{
Point cp = PointToClient(Cursor.Position);
_MyStepItem.MyStepPanel.CursorMovement(this, cp, key);
//_MyStepItem.MyStepPanel.CursorMovement(this, cp, key); Replaced with an event
OnCursorMovement(this, new StepRTBCursorMovementEventArgs(cp, key));
}
private void StepRTB_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
{
@@ -1698,6 +1796,26 @@ namespace Volian.Controls.Library
}
#endregion
}
public class StepRTBCursorMovementEventArgs
{
private Point _CursorLocation;
public Point CursorLocation
{
get { return _CursorLocation; }
set { _CursorLocation = value; }
}
private E_ArrowKeys _Key;
public E_ArrowKeys Key
{
get { return _Key; }
set { _Key = value; }
}
public StepRTBCursorMovementEventArgs(Point pt, E_ArrowKeys key)
{
_CursorLocation = pt;
_Key = key;
}
}
#region LinkLocation Class
public class LinkLocation
{