当前位置: 首页>>代码示例>>C#>>正文


C# Gdk.Rectangle.Offset方法代码示例

本文整理汇总了C#中Gdk.Rectangle.Offset方法的典型用法代码示例。如果您正苦于以下问题:C# Gdk.Rectangle.Offset方法的具体用法?C# Gdk.Rectangle.Offset怎么用?C# Gdk.Rectangle.Offset使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Gdk.Rectangle的用法示例。


在下文中一共展示了Gdk.Rectangle.Offset方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: OnDrawingareaExposeEvent

        protected void OnDrawingareaExposeEvent(object o, Gtk.ExposeEventArgs args)
        {
            Gdk.EventExpose expose = args.Args[0] as Gdk.EventExpose;
             Gdk.Window win = expose.Window;
             int width, height;
             win.GetSize(out width, out height);
             Gdk.Rectangle exposeRect = expose.Area;
             bool fulldraw = width == exposeRect.Width && height == exposeRect.Height;

             win.DrawRectangle(Style.LightGC(StateType.Normal), true, exposeRect);
             if (GetContentDelegate == null)
            return; // todo: an error message could be displayed

             int offset = (int)vscrollbar1.Value;
             if (fulldraw)
             {
            TopVisibleRow = offset;
            BottomVisibleRow = offset;
             }

             if (ConstantHeight == 0)
             {
            DetermineLayout();
            if (ConstantHeight == 0)
               return; // should never happen
             }

             int maxHScrollRange = 0;
             int dy = exposeRect.Top;
             offset += dy / ConstantHeight;
             dy -= dy % ConstantHeight;

             Gdk.GC background = new Gdk.GC((Gdk.Drawable)base.GdkWindow);
             Gdk.GC text = new Gdk.GC((Gdk.Drawable)base.GdkWindow);

             ColumnControl.Column[] columns = mColumnControl.GetVisibleColumnsInDrawOrder();

             for (int row = offset; row < RowCount; row++)
             {
            int dx = -(int)hscrollbar1.Value;
            Gdk.Rectangle rect = new Gdk.Rectangle(dx, dy, 0, ConstantHeight);

            System.Drawing.Color backColor = System.Drawing.Color.WhiteSmoke;
            System.Drawing.Color textColor = System.Drawing.Color.Black;

            if (row == CurrentRow)
               backColor = System.Drawing.Color.DarkGray;

            else if (m_Selection.Contains(row))
               backColor = System.Drawing.Color.LightGray;

            else if (GetColorDelegate != null)
               GetColorDelegate(row, ref backColor, ref textColor);

            background.RgbFgColor = new Gdk.Color(backColor.R, backColor.G, backColor.B);
            text.RgbFgColor = new Gdk.Color(textColor.R, textColor.G, textColor.B);
            int totalwidth = 0;
            for (int c = 0; c < columns.Length; c++)
            {
               ColumnControl.Column column = columns[c];
               int columnIndex = column.SortOrder;
               int xwidth = column.Width;
               rect = new Gdk.Rectangle(rect.Left, rect.Top, xwidth + mColumnControl.GripperWidth, ConstantHeight);
               if (c == columns.Length - 1)
                  rect.Width = Math.Max(rect.Width, exposeRect.Right - rect.Left + 1);
               object content = GetContentDelegate(row, columnIndex);
               if (content is Gdk.Pixbuf)
               {
                  Gdk.Pixbuf image = (Gdk.Pixbuf)content;
                  win.DrawRectangle(background, true, rect);
                  dx += 2;
                  image.RenderToDrawable(win, text, 0, 0, dx, dy, image.Width, image.Height, Gdk.RgbDither.Normal, 0, 0);
                  dx += xwidth + mColumnControl.GripperWidth - 2;
                  rect.Offset(xwidth + mColumnControl.GripperWidth, 0);
                  totalwidth += 2 + rect.Width;
               }
               else
               {
                  column.LineLayout.SetText(content.ToString());
                  win.DrawRectangle(background, true, rect);
                  dx += 2;
                  win.DrawLayout(text, dx, dy, column.LineLayout);
                  dx += xwidth + mColumnControl.GripperWidth - 2;
                  rect.Offset(xwidth + mColumnControl.GripperWidth, 0);

                  int dwidth, dheight;
                  column.LineLayout.GetPixelSize(out dwidth, out dheight);
                  totalwidth += 2 + mColumnControl.GripperWidth + dwidth;
               }
            }
            maxHScrollRange = Math.Max(maxHScrollRange, totalwidth);
            dy += ConstantHeight;
            if (dy > exposeRect.Bottom)
               break;
            if (fulldraw && exposeRect.Height - dy >= ConstantHeight)
               BottomVisibleRow++;
             }

             if (fulldraw)
             {
//.........这里部分代码省略.........
开发者ID:Michael--,项目名称:DockingFramework,代码行数:101,代码来源:VirtualListView.cs


注:本文中的Gdk.Rectangle.Offset方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。