// ToolStrips use the same FlowLayout, but is made up of ToolStripItems which
// are Components instead of Controls, so we have to duplicate this login for
// ToolStripItems.
private bool LayoutToolStrip(ToolStrip parent)
{
FlowLayoutSettings settings;
settings = (FlowLayoutSettings)parent.LayoutSettings;
// Nothing to layout, exit method
if (parent.Items.Count == 0)
{
return(false);
}
foreach (ToolStripItem tsi in parent.Items)
{
tsi.SetPlacement(ToolStripItemPlacement.Main);
}
// Use DisplayRectangle so that parent.Padding is honored.
Rectangle parentDisplayRectangle = parent.DisplayRectangle;
Point currentLocation;
// Set our starting point based on flow direction
switch (settings.FlowDirection)
{
case FlowDirection.BottomUp:
currentLocation = new Point(parentDisplayRectangle.Left, parentDisplayRectangle.Bottom);
break;
case FlowDirection.LeftToRight:
case FlowDirection.TopDown:
default:
currentLocation = parentDisplayRectangle.Location;
break;
case FlowDirection.RightToLeft:
currentLocation = new Point(parentDisplayRectangle.Right, parentDisplayRectangle.Top);
break;
}
bool forceFlowBreak = false;
List <ToolStripItem> rowControls = new List <ToolStripItem> ();
foreach (ToolStripItem c in parent.Items)
{
// Only apply layout to visible controls.
if (!c.Available)
{
continue;
}
// Resize any AutoSize controls to their preferred width
// (the height should fill the ToolStrip)
if (c.AutoSize == true)
{
Size preferred_size = c.GetPreferredSize(c.Size);
preferred_size.Height = parentDisplayRectangle.Height;
c.SetBounds(new Rectangle(c.Location, preferred_size));
}
switch (settings.FlowDirection)
{
case FlowDirection.BottomUp:
// Decide if it's time to start a new column
// - Our settings must be WrapContents, and we ran out of room or the previous control's FlowBreak == true
if (settings.WrapContents)
{
if ((currentLocation.Y) < (c.Height + c.Margin.Top + c.Margin.Bottom) || forceFlowBreak)
{
currentLocation.X = FinishColumn(rowControls);
currentLocation.Y = parentDisplayRectangle.Bottom;
forceFlowBreak = false;
rowControls.Clear();
}
}
// Offset the right margin and set the control to our point
currentLocation.Offset(0, c.Margin.Bottom * -1);
c.Location = new Point(currentLocation.X + c.Margin.Left, currentLocation.Y - c.Height);
// Update our location pointer
currentLocation.Y -= (c.Height + c.Margin.Top);
break;
case FlowDirection.LeftToRight:
default:
// Decide if it's time to start a new row
// - Our settings must be WrapContents, and we ran out of room or the previous control's FlowBreak == true
if (settings.WrapContents)
{
if ((parentDisplayRectangle.Width - currentLocation.X) < (c.Width + c.Margin.Left + c.Margin.Right) || forceFlowBreak)
{
currentLocation.Y = FinishRow(rowControls);
currentLocation.X = parentDisplayRectangle.Left;
forceFlowBreak = false;
rowControls.Clear();
}
}
// Offset the left margin and set the control to our point
currentLocation.Offset(c.Margin.Left, 0);
c.Location = new Point(currentLocation.X, currentLocation.Y + c.Margin.Top);
// Update our location pointer
currentLocation.X += c.Width + c.Margin.Right;
break;
case FlowDirection.RightToLeft:
// Decide if it's time to start a new row
// - Our settings must be WrapContents, and we ran out of room or the previous control's FlowBreak == true
if (settings.WrapContents)
{
if ((currentLocation.X) < (c.Width + c.Margin.Left + c.Margin.Right) || forceFlowBreak)
{
currentLocation.Y = FinishRow(rowControls);
currentLocation.X = parentDisplayRectangle.Right;
forceFlowBreak = false;
rowControls.Clear();
}
}
// Offset the right margin and set the control to our point
currentLocation.Offset(c.Margin.Right * -1, 0);
c.Location = new Point(currentLocation.X - c.Width, currentLocation.Y + c.Margin.Top);
// Update our location pointer
currentLocation.X -= (c.Width + c.Margin.Left);
break;
case FlowDirection.TopDown:
// Decide if it's time to start a new column
// - Our settings must be WrapContents, and we ran out of room or the previous control's FlowBreak == true
if (settings.WrapContents)
{
if ((parentDisplayRectangle.Height - currentLocation.Y) < (c.Height + c.Margin.Top + c.Margin.Bottom) || forceFlowBreak)
{
currentLocation.X = FinishColumn(rowControls);
currentLocation.Y = parentDisplayRectangle.Top;
forceFlowBreak = false;
rowControls.Clear();
}
}
// Offset the top margin and set the control to our point
currentLocation.Offset(0, c.Margin.Top);
c.Location = new Point(currentLocation.X + c.Margin.Left, currentLocation.Y);
// Update our location pointer
currentLocation.Y += c.Height + c.Margin.Bottom;
break;
}
// Add it to our list of things to adjust the second dimension of
rowControls.Add(c);
// If user set a flowbreak on this control, it will be the last one in this row/column
if (settings.GetFlowBreak(c))
{
forceFlowBreak = true;
}
}
int final_height = 0;
// Set the control heights/widths for the last row/column
if (settings.FlowDirection == FlowDirection.LeftToRight || settings.FlowDirection == FlowDirection.RightToLeft)
{
final_height = FinishRow(rowControls);
}
else
{
FinishColumn(rowControls);
}
if (final_height > 0)
{
parent.SetBoundsInternal(parent.Left, parent.Top, parent.Width, final_height + parent.Padding.Bottom, BoundsSpecified.None);
}
return(false);
}
// ToolStrips use the same FlowLayout, but is made up of ToolStripItems which
// are Components instead of Controls, so we have to duplicate this login for
// ToolStripItems.
private bool LayoutToolStrip (ToolStrip parent)
{
FlowLayoutSettings settings;
settings = (FlowLayoutSettings)parent.LayoutSettings;
// Nothing to layout, exit method
if (parent.Items.Count == 0) return false;
foreach (ToolStripItem tsi in parent.Items)
tsi.SetPlacement (ToolStripItemPlacement.Main);
// Use DisplayRectangle so that parent.Padding is honored.
Rectangle parentDisplayRectangle = parent.DisplayRectangle;
Point currentLocation;
// Set our starting point based on flow direction
switch (settings.FlowDirection) {
case FlowDirection.BottomUp:
currentLocation = new Point (parentDisplayRectangle.Left, parentDisplayRectangle.Bottom);
break;
case FlowDirection.LeftToRight:
case FlowDirection.TopDown:
default:
currentLocation = parentDisplayRectangle.Location;
break;
case FlowDirection.RightToLeft:
currentLocation = new Point (parentDisplayRectangle.Right, parentDisplayRectangle.Top);
break;
}
bool forceFlowBreak = false;
List<ToolStripItem> rowControls = new List<ToolStripItem> ();
foreach (ToolStripItem c in parent.Items) {
// Only apply layout to visible controls.
if (!c.Available) { continue; }
// Resize any AutoSize controls to their preferred size
if (c.AutoSize == true)
c.SetBounds (new Rectangle (c.Location, c.GetPreferredSize (c.Size)));
switch (settings.FlowDirection) {
case FlowDirection.BottomUp:
// Decide if it's time to start a new column
// - Our settings must be WrapContents, and we ran out of room or the previous control's FlowBreak == true
if (settings.WrapContents)
if ((currentLocation.Y) < (c.Height + c.Margin.Top + c.Margin.Bottom) || forceFlowBreak) {
currentLocation.X = FinishColumn (rowControls);
currentLocation.Y = parentDisplayRectangle.Bottom;
forceFlowBreak = false;
rowControls.Clear ();
}
// Offset the right margin and set the control to our point
currentLocation.Offset (0, c.Margin.Bottom * -1);
c.Location = new Point (currentLocation.X + c.Margin.Left, currentLocation.Y - c.Height);
// Update our location pointer
currentLocation.Y -= (c.Height + c.Margin.Top);
break;
case FlowDirection.LeftToRight:
default:
// Decide if it's time to start a new row
// - Our settings must be WrapContents, and we ran out of room or the previous control's FlowBreak == true
if (settings.WrapContents)
if ((parentDisplayRectangle.Width - currentLocation.X) < (c.Width + c.Margin.Left + c.Margin.Right) || forceFlowBreak) {
currentLocation.Y = FinishRow (rowControls);
currentLocation.X = parentDisplayRectangle.Left;
forceFlowBreak = false;
rowControls.Clear ();
}
// Offset the left margin and set the control to our point
currentLocation.Offset (c.Margin.Left, 0);
c.Location = new Point (currentLocation.X, currentLocation.Y + c.Margin.Top);
// Update our location pointer
currentLocation.X += c.Width + c.Margin.Right;
break;
case FlowDirection.RightToLeft:
// Decide if it's time to start a new row
// - Our settings must be WrapContents, and we ran out of room or the previous control's FlowBreak == true
if (settings.WrapContents)
if ((currentLocation.X) < (c.Width + c.Margin.Left + c.Margin.Right) || forceFlowBreak) {
currentLocation.Y = FinishRow (rowControls);
currentLocation.X = parentDisplayRectangle.Right;
forceFlowBreak = false;
rowControls.Clear ();
}
// Offset the right margin and set the control to our point
currentLocation.Offset (c.Margin.Right * -1, 0);
c.Location = new Point (currentLocation.X - c.Width, currentLocation.Y + c.Margin.Top);
// Update our location pointer
currentLocation.X -= (c.Width + c.Margin.Left);
break;
case FlowDirection.TopDown:
// Decide if it's time to start a new column
// - Our settings must be WrapContents, and we ran out of room or the previous control's FlowBreak == true
if (settings.WrapContents)
if ((parentDisplayRectangle.Height - currentLocation.Y) < (c.Height + c.Margin.Top + c.Margin.Bottom) || forceFlowBreak) {
currentLocation.X = FinishColumn (rowControls);
currentLocation.Y = parentDisplayRectangle.Top;
forceFlowBreak = false;
rowControls.Clear ();
}
// Offset the top margin and set the control to our point
currentLocation.Offset (0, c.Margin.Top);
c.Location = new Point (currentLocation.X + c.Margin.Left, currentLocation.Y);
// Update our location pointer
currentLocation.Y += c.Height + c.Margin.Bottom;
break;
}
// Add it to our list of things to adjust the second dimension of
rowControls.Add (c);
// If user set a flowbreak on this control, it will be the last one in this row/column
if (settings.GetFlowBreak (c))
forceFlowBreak = true;
}
int final_height = 0;
// Set the control heights/widths for the last row/column
if (settings.FlowDirection == FlowDirection.LeftToRight || settings.FlowDirection == FlowDirection.RightToLeft)
final_height = FinishRow (rowControls);
else
FinishColumn (rowControls);
if (final_height > 0)
parent.SetBoundsInternal (parent.Left, parent.Top, parent.Width, final_height + parent.Padding.Bottom, BoundsSpecified.None);
return false;
}
