public void TestRowColumnSizes11 ()
{
// AutoSize Columns/Rows, and column-spanning controls, but
// no control starts in column 1.
// Mono's old behavior was for column 1 to have a zero width.
TableLayoutPanel p = new TableLayoutPanel ();
Control c1 = new Button ();
Control c2 = new Button ();
Control c3 = new Button ();
c1.Size = new Size (150, 25);
c2.Size = new Size (75, 25);
c3.Size = new Size (150, 25);
p.ColumnCount = 4;
p.RowCount = 3;
p.RowStyles.Add (new RowStyle (SizeType.AutoSize));
p.RowStyles.Add (new RowStyle (SizeType.AutoSize));
p.RowStyles.Add (new RowStyle (SizeType.AutoSize));
p.ColumnStyles.Add (new ColumnStyle (SizeType.AutoSize));
p.ColumnStyles.Add (new ColumnStyle (SizeType.AutoSize));
p.ColumnStyles.Add (new ColumnStyle (SizeType.AutoSize));
p.ColumnStyles.Add (new ColumnStyle (SizeType.AutoSize));
p.SetColumnSpan (c1, 2);
p.SetColumnSpan (c3, 2);
p.Controls.Add (c1, 0, 0);
p.Controls.Add (c2, 0, 1);
p.Controls.Add (c3, 1, 1);
// The bug fix gets Mono to behave very closely to .NET,
// but not exactly...3 pixels off somewhere...
Assert.AreEqual (31, p.GetRowHeights ()[0], "D1");
Assert.AreEqual (31, p.GetRowHeights ()[1], "D2");
Assert.AreEqual (81, p.GetColumnWidths ()[0], "D3");
Assert.LessOrEqual (75, p.GetColumnWidths ()[1], "D4");
Assert.GreaterOrEqual (78, p.GetColumnWidths ()[1], "D5");
Assert.LessOrEqual (78, p.GetColumnWidths ()[2], "D6");
Assert.GreaterOrEqual (81, p.GetColumnWidths ()[2], "D7");
}
public void TestRowColumnSizes9 ()
{
// 1 Absolute and 2 Percent Columns/Rows (with total percents > 100)
TableLayoutPanel p = new TableLayoutPanel ();
Control c1 = new Button ();
Control c2 = new Button ();
Control c3 = new Button ();
p.ColumnCount = 3;
p.RowCount = 3;
p.RowStyles.Add (new RowStyle (SizeType.Absolute, 50));
p.RowStyles.Add (new RowStyle (SizeType.Percent, 80));
p.RowStyles.Add (new RowStyle (SizeType.Percent, 40));
p.ColumnStyles.Add (new ColumnStyle (SizeType.Absolute, 50));
p.ColumnStyles.Add (new ColumnStyle (SizeType.Percent, 80));
p.ColumnStyles.Add (new ColumnStyle (SizeType.Percent, 40));
p.Controls.Add (c1);
p.Controls.Add (c2);
p.Controls.Add (c3);
Assert.AreEqual (50, p.GetRowHeights ()[0], "D1");
Assert.AreEqual (33, p.GetRowHeights ()[1], "D2");
Assert.AreEqual (17, p.GetRowHeights ()[2], "D3");
Assert.AreEqual (50, p.GetColumnWidths ()[0], "D4");
Assert.AreEqual (100, p.GetColumnWidths ()[1], "D5");
Assert.AreEqual (50, p.GetColumnWidths ()[2], "D6");
}
public void TestRowColumnSizes10 ()
{
// 2 AutoSize Columns/Rows
TableLayoutPanel p = new TableLayoutPanel ();
Control c1 = new Button ();
Control c2 = new Button ();
Control c3 = new Button ();
p.ColumnCount = 2;
p.RowCount = 2;
p.RowStyles.Add (new RowStyle (SizeType.AutoSize));
p.RowStyles.Add (new RowStyle (SizeType.AutoSize));
p.ColumnStyles.Add (new ColumnStyle (SizeType.AutoSize));
p.ColumnStyles.Add (new ColumnStyle (SizeType.AutoSize));
p.Controls.Add (c1);
p.Controls.Add (c2);
p.Controls.Add (c3);
Assert.AreEqual (29, p.GetRowHeights ()[0], "D1");
Assert.AreEqual (71, p.GetRowHeights ()[1], "D2");
Assert.AreEqual (81, p.GetColumnWidths ()[0], "D3");
Assert.AreEqual (119, p.GetColumnWidths ()[1], "D4");
}
public void TestRowColumnSizes6 ()
{
// 2 50% Columns/Rows
TableLayoutPanel p = new TableLayoutPanel ();
Control c1 = new Button ();
Control c2 = new Button ();
Control c3 = new Button ();
p.ColumnCount = 2;
p.RowCount = 2;
p.RowStyles.Add (new RowStyle (SizeType.Percent, 50));
p.RowStyles.Add (new RowStyle (SizeType.Percent, 50));
p.ColumnStyles.Add (new ColumnStyle (SizeType.Percent, 50));
p.ColumnStyles.Add (new ColumnStyle (SizeType.Percent, 50));
p.Controls.Add (c1);
p.Controls.Add (c2);
p.Controls.Add (c3);
Assert.AreEqual (50, p.GetRowHeights ()[0], "D1");
Assert.AreEqual (50, p.GetRowHeights ()[1], "D2");
Assert.AreEqual (100, p.GetColumnWidths ()[0], "D3");
Assert.AreEqual (100, p.GetColumnWidths ()[1], "D4");
}
public void XamarinBug18638 ()
{
// Spanning items should not have their entire width assigned to the first column in the span.
TableLayoutPanel tlp = new TableLayoutPanel ();
tlp.SuspendLayout ();
tlp.Size = new Size(291, 100);
tlp.AutoSize = true;
tlp.ColumnStyles.Add (new ColumnStyle (SizeType.Absolute, 60));
tlp.ColumnStyles.Add (new ColumnStyle (SizeType.Percent, 100));
tlp.ColumnStyles.Add (new ColumnStyle (SizeType.Absolute, 45));
tlp.ColumnCount = 3;
tlp.RowStyles.Add (new RowStyle (SizeType.AutoSize));
var label1 = new Label {AutoSize = true, Text = @"This line spans all three columns in the table!"};
tlp.Controls.Add (label1, 0, 0);
tlp.SetColumnSpan (label1, 3);
tlp.RowStyles.Add (new RowStyle (SizeType.AutoSize));
tlp.RowCount = 1;
var label2 = new Label {AutoSize = true, Text = @"This line spans columns two and three."};
tlp.Controls.Add (label2, 1, 1);
tlp.SetColumnSpan (label2, 2);
tlp.RowCount = 2;
AddTableRow (tlp, "First Row", "This is a test");
AddTableRow (tlp, "Row 2", "This is another test");
tlp.ResumeLayout ();
var widths = tlp.GetColumnWidths ();
Assert.AreEqual (4, tlp.RowCount, "X18638-1");
Assert.AreEqual (3, tlp.ColumnCount, "X18638-2");
Assert.AreEqual (60, widths[0], "X18638-3");
Assert.Greater (label2.Width, widths[1], "X18638-5");
Assert.AreEqual (45, widths[2], "X18638-4");
}
Point? GetRowColIndex(TableLayoutPanel tlp, Point point)
{
if (point.X > tlp.Width || point.Y > tlp.Height)
return null;
int w = tlp.Width;
int h = tlp.Height;
int[] widths = tlp.GetColumnWidths();
int i;
for (i = widths.Length - 1; i >= 0 && point.X < w; i--)
w -= widths[i];
int col = i + 1;
int[] heights = tlp.GetRowHeights();
for (i = heights.Length - 1; i >= 0 && point.Y < h; i--)
h -= heights[i];
int row = i + 1;
return new Point(col, row);
}
//The method to get the position of the cell under the mouse.
private TableLayoutPanelCellPosition GetCellPosition(TableLayoutPanel panel)
{
//mouse position
System.Drawing.Point p = panel.PointToClient(Control.MousePosition);
Debug.Assert(p.X >= 0);
Debug.Assert(p.Y >= 0);
//Cell position
TableLayoutPanelCellPosition pos = new TableLayoutPanelCellPosition(0, 0);
//Panel size.
Size size = panel.Size;
//average cell size.
SizeF cellAutoSize = new SizeF(size.Width / panel.ColumnCount, size.Height / panel.RowCount);
//Get the cell row.
//y coordinate
float y = 0;
for (int i = 0; i < panel.RowCount; i++)
{
//Calculate the summary of the row heights.
SizeType type = panel.RowStyles[i].SizeType;
float height = panel.RowStyles[i].Height;
switch (type)
{
case SizeType.Absolute:
y += height;
break;
case SizeType.Percent:
y += height / 100 * size.Height;
break;
case SizeType.AutoSize:
y += cellAutoSize.Height;
break;
}
//Check the mouse position to decide if the cell is in current row.
if ((int)y > p.Y)
{
pos.Row = i;
break;
}
}
//Get the cell column.
//x coordinate
float x = 0;
for (int i = 0; i < panel.ColumnCount; i++)
{
//Calculate the summary of the row widths.
SizeType type = panel.ColumnStyles[i].SizeType;
float width = panel.GetColumnWidths()[i];
switch (type)
{
case SizeType.Absolute:
x += width;
break;
case SizeType.Percent:
x += width / 100 * size.Width;
break;
case SizeType.AutoSize:
x += cellAutoSize.Width;
break;
}
//Check the mouse position to decide if the cell is in current column.
if ((int)x > p.X)
{
pos.Column = i;
break;
}
}
//return the mouse position.
return pos;
}
/// <summary>
/// Resizes editor controls to fit the last column
/// </summary>
/// <param name="tablePanel"></param>
private static void ResizeEditorControls(TableLayoutPanel tablePanel)
{
tablePanel.SuspendLayout();
try
{
// Make editors small
for (int row = 0; row < tablePanel.RowCount; ++row)
{
Control editorControl = tablePanel.GetControlFromPosition(tablePanel.ColumnCount - 1, row);
Option o = (editorControl != null) ? editorControl.Tag as Option : null;
if ((o == null) || (editorControl is Label))
{
continue;
}
// Change
editorControl.Anchor = AnchorStyles.None;
editorControl.Width = 5;
}
// Layout once
tablePanel.ResumeLayout(true);
tablePanel.SuspendLayout();
// Size now
int[] colWidths = tablePanel.GetColumnWidths();
for (int row = 0; row < tablePanel.RowCount; ++row)
{
Control editorControl = tablePanel.GetControlFromPosition(tablePanel.ColumnCount - 1, row);
Option o = (editorControl != null) ? editorControl.Tag as Option : null;
if ((o == null) || (editorControl is Label))
{
continue;
}
// Change
int colWidth = 0;
for (int col = 0; col < tablePanel.GetColumnSpan(editorControl); col++)
{
colWidth += colWidths[colWidths.Length - 1 - col];
}
editorControl.Width = colWidth - 10;
editorControl.Anchor = AnchorStyles.Left | AnchorStyles.Top;
}
}
finally
{
tablePanel.ResumeLayout(true);
}
}