|
static private SetActiveToolStrip ( |
||
| toolStrip | ||
| keyboard | bool | |
| Résultat | void | |
public void Show(Point position, ToolStripDropDownDirection direction)
{
this.PerformLayout();
Point show_point = CalculateShowPoint(position, direction, Size);
if (this.Location != show_point)
{
this.Location = show_point;
}
// Prevents recursion
if (Visible)
{
return;
}
CancelEventArgs e = new CancelEventArgs();
this.OnOpening(e);
if (e.Cancel)
{
return;
}
// The tracker lets us know when the form is clicked or loses focus
ToolStripManager.AppClicked += new EventHandler(ToolStripMenuTracker_AppClicked);
ToolStripManager.AppFocusChange += new EventHandler(ToolStripMenuTracker_AppFocusChange);
bool useNativeMenu = true;
foreach (var item in this.Items)
{
useNativeMenu &= item is ToolStripMenuItem || item is ToolStripSeparator;
}
if (useNativeMenu)
{
currentMenu = ToNSMenu();
((MonoMenuDelegate)currentMenu.Delegate).BeforePopup();
show_point = CalculateShowPoint(position, direction, new Size((int)currentMenu.Size.Width, (int)currentMenu.Size.Height));
NSApplication.SharedApplication.BeginInvokeOnMainThread(delegate {
Size displaySize;
XplatUI.GetDisplaySize(out displaySize);
currentMenu.PopUpMenu(null, new CGPoint(show_point.X, displaySize.Height - show_point.Y), null);
});
}
base.Show();
ToolStripManager.SetActiveToolStrip(this, ToolStripManager.ActivatedByKeyboard);
// Called from NSMenuDelegate for native menus
if (!useNativeMenu)
{
this.OnOpened(EventArgs.Empty);
}
}
internal override void Dismiss(ToolStripDropDownCloseReason reason)
{
this.Close(reason);
base.Dismiss(reason);
// ContextMenuStrip won't have a parent
if (this.OwnerItem == null)
{
return;
}
// Ensure Submenu loes keyboard capture when closing.
ToolStripManager.SetActiveToolStrip(null, false);
}
internal override bool ProcessArrowKey(Keys keyData)
{
switch (keyData)
{
case Keys.Down:
case Keys.Tab:
this.SelectNextToolStripItem(this.GetCurrentlySelectedItem(), true);
return(true);
case Keys.Up:
case Keys.Shift | Keys.Tab:
this.SelectNextToolStripItem(this.GetCurrentlySelectedItem(), false);
return(true);
case Keys.Right:
this.GetTopLevelToolStrip().SelectNextToolStripItem(this.TopLevelOwnerItem, true);
return(true);
case Keys.Left:
case Keys.Escape:
this.Dismiss(ToolStripDropDownCloseReason.Keyboard);
// ContextMenuStrip won't have a parent
if (this.OwnerItem == null)
{
return(true);
}
ToolStrip parent_strip = this.OwnerItem.Parent;
ToolStripManager.SetActiveToolStrip(parent_strip, true);
if (parent_strip is MenuStrip && keyData == Keys.Left)
{
parent_strip.SelectNextToolStripItem(this.TopLevelOwnerItem, false);
this.TopLevelOwnerItem.Invalidate();
}
else if (parent_strip is MenuStrip && keyData == Keys.Escape)
{
(parent_strip as MenuStrip).MenuDroppedDown = false;
this.TopLevelOwnerItem.Select();
}
return(true);
}
return(false);
}
internal override bool OnMenuKey()
{
// Set ourselves active and select our first item
ToolStripManager.SetActiveToolStrip(this, true);
ToolStripItem tsi = this.SelectNextToolStripItem(null, true);
if (tsi == null)
{
return(false);
}
if (tsi is MdiControlStrip.SystemMenuItem)
{
this.SelectNextToolStripItem(tsi, true);
}
return(true);
}
protected internal override bool ProcessMnemonic(char charCode)
{
if (!this.Selected)
{
this.Parent.ChangeSelection(this);
}
if (this.HasDropDownItems)
{
ToolStripManager.SetActiveToolStrip(this.Parent, true);
this.ShowDropDown();
this.DropDown.SelectNextToolStripItem(null, true);
}
else
{
this.PerformClick();
}
return(true);
}
public void Show(Point position, ToolStripDropDownDirection direction)
{
this.PerformLayout();
Point show_point = position;
Point max_screen = new Point(SystemInformation.VirtualScreen.Width, SystemInformation.VirtualScreen.Height);
if (this is ContextMenuStrip)
{
// If we are going to go offscreen, adjust our direction so we don't...
// X direction
switch (direction)
{
case ToolStripDropDownDirection.AboveLeft:
if (show_point.X - this.Width < 0)
{
direction = ToolStripDropDownDirection.AboveRight;
}
break;
case ToolStripDropDownDirection.BelowLeft:
if (show_point.X - this.Width < 0)
{
direction = ToolStripDropDownDirection.BelowRight;
}
break;
case ToolStripDropDownDirection.Left:
if (show_point.X - this.Width < 0)
{
direction = ToolStripDropDownDirection.Right;
}
break;
case ToolStripDropDownDirection.AboveRight:
if (show_point.X + this.Width > max_screen.X)
{
direction = ToolStripDropDownDirection.AboveLeft;
}
break;
case ToolStripDropDownDirection.BelowRight:
case ToolStripDropDownDirection.Default:
if (show_point.X + this.Width > max_screen.X)
{
direction = ToolStripDropDownDirection.BelowLeft;
}
break;
case ToolStripDropDownDirection.Right:
if (show_point.X + this.Width > max_screen.X)
{
direction = ToolStripDropDownDirection.Left;
}
break;
}
// Y direction
switch (direction)
{
case ToolStripDropDownDirection.AboveLeft:
if (show_point.Y - this.Height < 0)
{
direction = ToolStripDropDownDirection.BelowLeft;
}
break;
case ToolStripDropDownDirection.AboveRight:
if (show_point.Y - this.Height < 0)
{
direction = ToolStripDropDownDirection.BelowRight;
}
break;
case ToolStripDropDownDirection.BelowLeft:
if (show_point.Y + this.Height > max_screen.Y && show_point.Y - this.Height > 0)
{
direction = ToolStripDropDownDirection.AboveLeft;
}
break;
case ToolStripDropDownDirection.BelowRight:
case ToolStripDropDownDirection.Default:
if (show_point.Y + this.Height > max_screen.Y && show_point.Y - this.Height > 0)
{
direction = ToolStripDropDownDirection.AboveRight;
}
break;
case ToolStripDropDownDirection.Left:
if (show_point.Y + this.Height > max_screen.Y && show_point.Y - this.Height > 0)
{
direction = ToolStripDropDownDirection.AboveLeft;
}
break;
case ToolStripDropDownDirection.Right:
if (show_point.Y + this.Height > max_screen.Y && show_point.Y - this.Height > 0)
{
direction = ToolStripDropDownDirection.AboveRight;
}
break;
}
}
switch (direction)
{
case ToolStripDropDownDirection.AboveLeft:
show_point.Y -= this.Height;
show_point.X -= this.Width;
break;
case ToolStripDropDownDirection.AboveRight:
show_point.Y -= this.Height;
break;
case ToolStripDropDownDirection.BelowLeft:
show_point.X -= this.Width;
break;
case ToolStripDropDownDirection.Left:
show_point.X -= this.Width;
break;
case ToolStripDropDownDirection.Right:
break;
}
// Fix offscreen horizontal positions
if ((show_point.X + this.Width) > max_screen.X)
{
show_point.X = max_screen.X - this.Width;
}
if (show_point.X < 0)
{
show_point.X = 0;
}
// Fix offscreen vertical positions
if ((show_point.Y + this.Height) > max_screen.Y)
{
show_point.Y = max_screen.Y - this.Height;
}
if (show_point.Y < 0)
{
show_point.Y = 0;
}
if (this.Location != show_point)
{
this.Location = show_point;
}
CancelEventArgs e = new CancelEventArgs();
this.OnOpening(e);
if (e.Cancel)
{
return;
}
// The tracker lets us know when the form is clicked or loses focus
ToolStripManager.AppClicked += new EventHandler(ToolStripMenuTracker_AppClicked);
ToolStripManager.AppFocusChange += new EventHandler(ToolStripMenuTracker_AppFocusChange);
base.Show();
ToolStripManager.SetActiveToolStrip(this, ToolStripManager.ActivatedByKeyboard);
this.OnOpened(EventArgs.Empty);
}
private void ShowInternal(Control control, Point screenPosition, ToolStripDropDownDirection direction)
{
this.PerformLayout();
Point show_point = CalculateShowPoint(screenPosition, direction, Size);
if (this.Location != show_point)
{
this.Location = show_point;
}
// Prevents recursion
if (Visible)
{
return;
}
SetSourceControl(control);
CancelEventArgs e = new CancelEventArgs();
this.OnOpening(e);
if (e.Cancel)
{
return;
}
// The tracker lets us know when the form is clicked or loses focus
ToolStripManager.AppClicked += new EventHandler(ToolStripMenuTracker_AppClicked);
ToolStripManager.AppFocusChange += new EventHandler(ToolStripMenuTracker_AppFocusChange);
bool useNativeMenu = true;
foreach (var item in this.Items)
{
useNativeMenu &= item is ToolStripMenuItem || item is ToolStripSeparator;
}
// Prevent closing native menus by the Application object - it would be too early, in MouseDown.
// Native menus will close automatically, *after MouseUp*. This way, we can handle both
// ways of selecting the item: mouse_down-move-mouse_up and click-move-click.
ToolStripManager.DismissingHandledNatively = useNativeMenu;
#if XAMARINMAC
if (useNativeMenu)
{
currentMenu = ToNSMenu();
((MonoMenuDelegate)currentMenu.Delegate).BeforePopup();
show_point = CalculateShowPoint(screenPosition, direction, new Size((int)currentMenu.Size.Width, (int)currentMenu.Size.Height));
PostMouseUp(control, show_point);
NSApplication.SharedApplication.BeginInvokeOnMainThread(delegate {
if (control != null)
{
var winPosition = control.PointToClient(show_point);
currentMenu.PopUpMenu(null, new CGPoint(winPosition.X, winPosition.Y), control.Handle.ToNSView());
}
else
{
Size displaySize;
XplatUI.GetDisplaySize(out displaySize);
currentMenu.PopUpMenu(null, new CGPoint(show_point.X, displaySize.Height - show_point.Y), null);
}
});
}
#endif
base.Show();
ToolStripManager.SetActiveToolStrip(this, ToolStripManager.ActivatedByKeyboard);
// Called from NSMenuDelegate for native menus
if (!useNativeMenu)
{
this.OnOpened(EventArgs.Empty);
}
}
