Represents the information about the selected text in the control
Ejemplo n.º 1
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		private void ProcessMouseMoveForSelectTextTool(int page_index, int character_index)
		{
			if (_mousePressed)
			{
				if (character_index >= 0)
				{
					_selectInfo = new SelectInfo()
					{
						StartPage = _selectInfo.StartPage,
						EndPage = page_index,
						EndIndex = character_index,
						StartIndex = _selectInfo.StartIndex
					};
					_isShowSelection = true;
				}
				InvalidateVisual();
			}
		}
Ejemplo n.º 2
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		private void ProcessMouseDoubleClickForSelectTextTool(Point page_point, int page_index)
		{
			var page = Document.Pages[page_index];
			int si, ei;
			int ci = page.Text.GetCharIndexAtPos((float)page_point.X, (float)page_point.Y, 10.0f, 10.0f);
			if (GetWord(page.Text, ci, out si, out ei))
			{
				_selectInfo = new SelectInfo()
				{
					StartPage = page_index,
					EndPage = page_index,
					StartIndex = si,
					EndIndex = ei
				};
				_isShowSelection = true;
				if (_selectInfo.StartPage >= 0)
                    GenerateSelectedTextProperty();
                InvalidateVisual();
			}
		}
Ejemplo n.º 3
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		private void ProcessMouseDownForSelectTextTool(Point page_point, int page_index)
		{
			_selectInfo = new SelectInfo()
			{
				StartPage = page_index,
				EndPage = page_index,
				StartIndex = Document.Pages[page_index].Text.GetCharIndexAtPos((float)page_point.X, (float)page_point.Y, 10.0f, 10.0f),
				EndIndex = -1// Document.Pages[page_index].Text.GetCharIndexAtPos((float)page_point.X, (float)page_point.Y, 10.0f, 10.0f)
			};
			_isShowSelection = false;
			if (_selectInfo.StartPage >= 0)
                GenerateSelectedTextProperty();
        }
Ejemplo n.º 4
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		private SelectInfo NormalizeSelectionInfo()
		{
			var selTmp = _selectInfo;
			if (selTmp.StartPage >= 0 && selTmp.EndPage >= 0)
			{
				if (selTmp.StartPage > selTmp.EndPage)
				{
					selTmp = new SelectInfo()
					{
						StartPage = selTmp.EndPage,
						EndPage = selTmp.StartPage,
						StartIndex = selTmp.EndIndex,
						EndIndex = selTmp.StartIndex
					};
				}
				else if ((selTmp.StartPage == selTmp.EndPage) && (selTmp.StartIndex > selTmp.EndIndex))
				{
					selTmp = new SelectInfo()
					{
						StartPage = selTmp.StartPage,
						EndPage = selTmp.EndPage,
						StartIndex = selTmp.EndIndex,
						EndIndex = selTmp.StartIndex
					};
				}
			}
			return selTmp;
		}
Ejemplo n.º 5
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		/// <summary>
		/// Draws text selection
		/// </summary>
		/// <param name="drawingContext">The drawing instructions for a specific element. This context is provided to the layout system.</param>
		/// <param name="selInfo">Selection info</param>
		/// <param name="pageIndex">Page index to be drawn</param>
		/// <remarks>
		/// Full page rendering is performed in the following order:
		/// <list type="bullet">
		/// <item><see cref="DrawPageBackColor"/></item>
		/// <item><see cref="DrawPage"/> / <see cref="DrawLoadingIcon"/></item>
		/// <item><see cref="DrawFillForms"/></item>
		/// <item><see cref="DrawPageBorder"/></item>
		/// <item><see cref="DrawFillFormsSelection"/></item>
		/// <item><see cref="DrawTextHighlight"/></item>
		/// <item><see cref="DrawTextSelection"/></item>
		/// <item><see cref="DrawCurrentPageHighlight"/></item>
		/// <item><see cref="DrawPageSeparators"/></item>
		/// </list>
		/// </remarks>
		protected virtual void DrawTextSelection(DrawingContext drawingContext, SelectInfo selInfo, int pageIndex)
		{
			if (selInfo.StartPage < 0 || !_isShowSelection)
				return;

			if (pageIndex >= selInfo.StartPage && pageIndex <= selInfo.EndPage)
			{
				int s = 0;
				if (pageIndex == selInfo.StartPage)
					s = selInfo.StartIndex;

				int len = Document.Pages[pageIndex].Text.CountChars;
				if (pageIndex == selInfo.EndPage)
					len = (selInfo.EndIndex + 1) - s;

				var ti = Document.Pages[pageIndex].Text.GetTextInfo(s, len);
				foreach (var rc in ti.Rects)
				{
					var pt1 = PageToDevice(rc.left, rc.top, pageIndex);
					var pt2 = PageToDevice(rc.right, rc.bottom, pageIndex);

					double x = pt1.X < pt2.X ? pt1.X : pt2.X;
					double y = pt1.Y < pt2.Y ? pt1.Y : pt2.Y;
					double w = pt1.X > pt2.X ? pt1.X - pt2.X : pt2.X - pt1.X;
					double h = pt1.Y > pt2.Y ? pt1.Y - pt2.Y : pt2.Y - pt1.Y;

					Helpers.FillRectangle(drawingContext, _selectColorBrush, Helpers.CreateRect(x, y, w, h));
				}
			}
		}
Ejemplo n.º 6
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		/// <summary>
		/// Clear text selection
		/// </summary>
		public void DeselectText()
		{
			_selectInfo = new SelectInfo()
			{
				StartPage = -1,
			};
			InvalidateVisual();
            GenerateSelectedTextProperty();
        }
Ejemplo n.º 7
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		/// <summary>
		/// Selects the text contained in specified pages.
		/// </summary>
		/// <param name="startPage">Zero-based index of a starting page.</param>
		/// <param name="startIndex">Zero-based char index on a startPage.</param>
		/// <param name="endPage">Zero-based index of a ending page.</param>
		/// <param name="endIndex">Zero-based char index on a endPage.</param>
		public void SelectText(int startPage, int startIndex, int endPage, int endIndex)
		{
			if (Document == null)
				return;

			if (startPage > Document.Pages.Count - 1)
				startPage = Document.Pages.Count - 1;
			if (startPage < 0)
				startPage = 0;

			if (endPage > Document.Pages.Count - 1)
				endPage = Document.Pages.Count - 1;
			if (endPage < 0)
				endPage = 0;

			int startCnt = Document.Pages[startPage].Text.CountChars;
			int endCnt = Document.Pages[endPage].Text.CountChars;

			if (startIndex > startCnt - 1)
				startIndex = startCnt - 1;
			if (startIndex < 0)
				startIndex = 0;

			if (endIndex > endCnt - 1)
				endIndex = endCnt - 1;
			if (endIndex < 0)
				endIndex = 0;

			_selectInfo = new SelectInfo()
			{
				StartPage = startPage,
				StartIndex = startIndex,
				EndPage = endPage,
				EndIndex = endIndex
			};
			_isShowSelection = true;
			InvalidateVisual();
            GenerateSelectedTextProperty();
        }
Ejemplo n.º 8
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		/// <summary>
		/// Selects the text contained in specified pages.
		/// </summary>
		/// <param name="SelInfo"><see cref="SelectInfo"/> structure that describe text selection parameters.</param>
		public void SelectText(SelectInfo SelInfo)
		{
			SelectText(SelInfo.StartPage, SelInfo.StartIndex, SelInfo.EndPage, SelInfo.EndIndex);
		}