void mdiClient_ControlAdded(object sender, ControlEventArgs e)
{
MetroWindow mw = e.Control as MetroWindow;
if (mw == null)
{
throw new ArgumentException("Si possono aggiungere solo finestre di tipo MetroWindow");
}
MDITab tab = new MDITab();
tab.AssociateForm = mw;
tab.State = MDITab.EMDITabState.NORMAL;
tab.CloseButtonState = MDITab.EMDITabCloseButtonState.NORMAL;
Rectangle lastTabRect = new Rectangle();
Rectangle newTabRect = new Rectangle();
if (_mdiTabs.Count > 0)
{
lastTabRect = _mdiTabs[_mdiTabs.Count - 1].TabRect;
}
Graphics g = CreateGraphics();
if (g == null)
{
throw new NullReferenceException();
}
MetroWindow p = ParentForm as MetroWindow;
if (p == null)
{
throw new Exception("Il form padre deve essere una finestra di tipo MetroWindow");
}
MetroVisualManager vm = p.VisualManager();
int width = (int)(g.MeasureString(mw.Text, vm.MDITabFont).Width + 30);
newTabRect.Location = new Point(lastTabRect.Location.X + lastTabRect.Width, 0);
newTabRect.Size = new Size(width, 21);
tab.TabRect = newTabRect;
_mdiTabs.Add(tab);
_dropDownFileList.AddItem(mw.Text);
}
protected virtual void OnUpdateMDITabsCloses(Point point)
{
bool bInvalidate = false;
Rectangle rc = _tabsRectangle;
rc = ParentForm.RectangleToScreen(rc);
if (!rc.Contains(point))
{
ResetMDITabsState();
return;
}
MetroWindow formToClose = null;
for (int i = 0; i < _mdiTabs.Count; i++)
{
MDITab tab = _mdiTabs[i];
rc = tab.CloseTabRect;
rc = ParentForm.RectangleToScreen(rc);
if (rc.Contains(point))
{
formToClose = tab.AssociateForm;
bInvalidate = true;
}
}
if (formToClose != null)
{
formToClose.Close();
}
if (bInvalidate)
{
UpdateColors();
}
}
protected virtual void OnUpdateMDITabsState(IntPtr handle)
{
MetroWindow wnd = MetroWindow.FromHandle(handle) as MetroWindow;
if (wnd == null)
{
throw new ArgumentException("Child form must be a MetroWindow derived class");
}
for (int i = 0; i < _mdiTabs.Count; i++)
{
MDITab tab = _mdiTabs[i];
if (tab.AssociateForm == wnd)
{
tab.State = MDITab.EMDITabState.SELECTED;
}
else
{
tab.State = MDITab.EMDITabState.NORMAL;
}
}
}
protected virtual void OnUpdateMDITabsSelection(Point point)
{
bool bInvalidate = false;
bool bFoundCloseButtonPress = false;
Rectangle rc = _tabsRectangle;
rc = ParentForm.RectangleToScreen(rc);
if (!rc.Contains(point))
{
ResetMDITabsState();
return;
}
for (int i = 0; i < _mdiTabs.Count; i++)
{
MDITab tab = _mdiTabs[i];
rc = tab.CloseTabRect;
rc = ParentForm.RectangleToScreen(rc);
if (rc.Contains(point))
{
if (tab.CloseButtonState != MDITab.EMDITabCloseButtonState.PRESSED)
{
tab.CloseButtonState = MDITab.EMDITabCloseButtonState.PRESSED;
bFoundCloseButtonPress = true;
bInvalidate = true;
}
}
else if (tab.CloseButtonState != MDITab.EMDITabCloseButtonState.NORMAL)
{
tab.CloseButtonState = MDITab.EMDITabCloseButtonState.NORMAL;
bInvalidate = true;
}
}
if (!bFoundCloseButtonPress)
{
MetroWindow formToActivate = null;
for (int i = 0; i < _mdiTabs.Count; i++)
{
MDITab tab = _mdiTabs[i];
if (tab.State != MDITab.EMDITabState.SELECTED)
{
rc = tab.TabRect;
rc = ParentForm.RectangleToScreen(rc);
if (rc.Contains(rc))
{
formToActivate = tab.AssociateForm;
tab.State = MDITab.EMDITabState.SELECTED;
bInvalidate = true;
}
else
{
tab.State = MDITab.EMDITabState.NORMAL;
bInvalidate = true;
}
}
}
if (formToActivate != null)
{
formToActivate.Activate();
}
}
if (bInvalidate)
{
UpdateColors();
}
}
protected virtual void OnUpdateMDITabsState(Point point)
{
bool bInvalidate = false;
Rectangle rc = _tabsRectangle;
rc = ParentForm.RectangleToScreen(rc);
if (!rc.Contains(point))
{
ResetMDITabsState();
return;
}
for (int i = 0; i < _mdiTabs.Count; i++)
{
MDITab tab = _mdiTabs[i];
if (tab.State != MDITab.EMDITabState.SELECTED)
{
rc = tab.TabRect;
rc = ParentForm.RectangleToScreen(rc);
if (rc.Contains(point))
{
if (tab.State != MDITab.EMDITabState.HOVER)
{
tab.State = MDITab.EMDITabState.HOVER;
bInvalidate = true;
}
}
else
{
if (tab.State != MDITab.EMDITabState.NORMAL)
{
tab.State = MDITab.EMDITabState.NORMAL;
bInvalidate = true;
}
}
}
rc = tab.CloseTabRect;
rc = ParentForm.RectangleToScreen(rc);
if (rc.Contains(point))
{
if (tab.CloseButtonState == MDITab.EMDITabCloseButtonState.NORMAL)
{
tab.CloseButtonState = MDITab.EMDITabCloseButtonState.HOVER;
bInvalidate = true;
}
}
else if (tab.CloseButtonState != MDITab.EMDITabCloseButtonState.NORMAL)
{
tab.CloseButtonState = MDITab.EMDITabCloseButtonState.NORMAL;
bInvalidate = true;
}
}
if (bInvalidate)
{
UpdateColors();
}
}
