// The mouse is clicked on the panel. Change the selection.
// Show the popup menu if appropriate.
private void descriptionPanel_MouseDown(object sender, MouseEventArgs e)
{
HitTestResult hitTest = renderer.HitTest(e.Location);
if (hitTest.firstLine < 0)
{
return; // clicked outside the description.
}
bool alreadySelected = (hitTest.firstLine == firstSelectedLine);
if (!alreadySelected)
{
// Move the selected line.
SetSelection(hitTest.firstLine, hitTest.lastLine);
if (SelectedIndexChange != null)
{
SelectedIndexChange(this, EventArgs.Empty);
}
}
// If the left-click the selected line, or right-click anywhere, then possible show a popup menu.
if ((e.Button == MouseButtons.Right || alreadySelected) && hitTest.kind != HitTestKind.None)
{
// Clicked on the selected line, in a potentially interesting place. Show a menu (maybe).
PopupMenu(hitTest);
}
}
void CheckHitTest(DescriptionRenderer renderer, Point pt, HitTestKind expectedKind, int expectedFirstLine, int expectedLastLine, int expectedBox, RectangleF expectedRect)
{
HitTestResult result;
result = renderer.HitTest(pt);
Assert.AreEqual(expectedKind, result.kind);
Assert.AreEqual(expectedFirstLine, result.firstLine);
Assert.AreEqual(expectedLastLine, result.lastLine);
Assert.AreEqual(expectedBox, result.box);
Assert.AreEqual(expectedRect, result.rect);
}
private void pictureBoxDescription_MouseDown(object sender, MouseEventArgs e)
{
hitTest = descriptionRenderer.HitTest(e.Location);
labelPoint.Text = string.Format("Location: ({0},{1})", e.X, e.Y);
labelHitTestKind.Text = string.Format("Hit: {0}", hitTest.kind);
labelHitTestCol.Text = string.Format("Box: {0}", hitTest.box);
labelHitTestLine.Text = string.Format("Line: {0}-{1}", hitTest.firstLine, hitTest.lastLine);
labelHitTestRect.Text = string.Format("Rect: ({0},{1}) wid={2} hgt={3}", hitTest.rect.Left, hitTest.rect.Top, hitTest.rect.Width, hitTest.rect.Height);
this.Invalidate(true);
/*
*
* int column = (int) ((e.X - descriptionRenderer.Margin) / descriptionRenderer.CellSize);
* int line = (int)((e.Y - descriptionRenderer.Margin) / descriptionRenderer.CellSize);
*
* if (column >= 0 && column <= 7) {
* ShowDropDown((char)('A' + column), line, new Point((int)((e.X - descriptionRenderer.Margin) / descriptionRenderer.CellSize + 1) * (int)descriptionRenderer.CellSize - 11, (int)((e.Y - descriptionRenderer.Margin) / descriptionRenderer.CellSize + 1) * (int)descriptionRenderer.CellSize - 5));
* }
*/
}
void CheckHitTest(DescriptionRenderer renderer, Point pt, HitTestKind expectedKind, int expectedFirstLine, int expectedLastLine, int expectedBox, RectangleF expectedRect)
{
HitTestResult result;
result = renderer.HitTest(pt);
Assert.AreEqual(expectedKind, result.kind);
Assert.AreEqual(expectedFirstLine, result.firstLine);
Assert.AreEqual(expectedLastLine, result.lastLine);
Assert.AreEqual(expectedBox, result.box);
Assert.AreEqual(expectedRect, result.rect);
}