internal void SendFocusToActiveChild()
{
Form active = this.ActiveMdiChild;
if (active == null)
{
ParentForm.SendControlFocus(this);
}
else
{
active.SendControlFocus(active);
ParentForm.ActiveControl = active;
}
}
internal void ActivateChild(Form form)
{
if (Controls.Count < 1)
{
return;
}
if (ParentForm.is_changing_visible_state > 0)
{
return;
}
Form current = (Form)Controls [0];
bool raise_deactivate = ParentForm.ActiveControl == current;
// We want to resize the new active form before it is
// made active to avoid flickering. Can't do it in the
// normal way (form.WindowState = Maximized) since it's not
// active yet and everything would just return to before.
// We also won't suspend layout, this way the layout will
// happen before the form is made active (and in many cases
// before it is visible, which avoids flickering as well).
MdiWindowManager wm = (MdiWindowManager)form.WindowManager;
if (current.WindowState == FormWindowState.Maximized && form.WindowState != FormWindowState.Maximized && form.Visible)
{
FormWindowState old_state = form.window_state;
SetWindowState(form, old_state, FormWindowState.Maximized, true);
wm.was_minimized = form.window_state == FormWindowState.Minimized;
form.window_state = FormWindowState.Maximized;
SetParentText(false);
}
form.BringToFront();
form.SendControlFocus(form);
SetWindowStates(wm);
if (current != form)
{
form.has_focus = false;
if (current.IsHandleCreated)
{
XplatUI.InvalidateNC(current.Handle);
}
if (form.IsHandleCreated)
{
XplatUI.InvalidateNC(form.Handle);
}
if (raise_deactivate)
{
MdiWindowManager current_wm = (MdiWindowManager)current.window_manager;
current_wm.RaiseDeactivate();
}
}
active_child = (Form)Controls [0];
if (active_child.Visible)
{
bool raise_activated = ParentForm.ActiveControl != active_child;
ParentForm.ActiveControl = active_child;
if (raise_activated)
{
MdiWindowManager active_wm = (MdiWindowManager)active_child.window_manager;
active_wm.RaiseActivated();
}
}
}
internal void ActivateChild (Form form)
{
if (Controls.Count < 1)
return;
if (ParentForm.is_changing_visible_state > 0)
return;
Form current = (Form) Controls [0];
bool raise_deactivate = ParentForm.ActiveControl == current;
// We want to resize the new active form before it is
// made active to avoid flickering. Can't do it in the
// normal way (form.WindowState = Maximized) since it's not
// active yet and everything would just return to before.
// We also won't suspend layout, this way the layout will
// happen before the form is made active (and in many cases
// before it is visible, which avoids flickering as well).
MdiWindowManager wm = (MdiWindowManager)form.WindowManager;
if (current.WindowState == FormWindowState.Maximized && form.WindowState != FormWindowState.Maximized && form.Visible) {
FormWindowState old_state = form.window_state;
SetWindowState (form, old_state, FormWindowState.Maximized, true);
wm.was_minimized = form.window_state == FormWindowState.Minimized;
form.window_state = FormWindowState.Maximized;
SetParentText (false);
}
form.BringToFront ();
form.SendControlFocus (form);
SetWindowStates (wm);
if (current != form) {
form.has_focus = false;
if (current.IsHandleCreated)
XplatUI.InvalidateNC (current.Handle);
if (form.IsHandleCreated)
XplatUI.InvalidateNC (form.Handle);
if (raise_deactivate) {
MdiWindowManager current_wm = (MdiWindowManager) current.window_manager;
current_wm.RaiseDeactivate ();
}
}
active_child = (Form) Controls [0];
if (active_child.Visible) {
bool raise_activated = ParentForm.ActiveControl != active_child;
ParentForm.ActiveControl = active_child;
if (raise_activated) {
MdiWindowManager active_wm = (MdiWindowManager) active_child.window_manager;
active_wm.RaiseActivated ();
}
}
}