private void UpdateDragPosition()
{
if (this._dragService == null)
{
this._dragService = new DragService(this);
this.SetIsDragging(true);
}
Point deviceDPI = this.TransformToDeviceDPI(Win32Helper.GetMousePosition());
this._dragService.UpdateMouseLocation(deviceDPI);
}
protected virtual IntPtr FilterMessage(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
bool flag;
handled = false;
if (msg <= 274)
{
if (msg != 6)
{
if (msg == 274)
{
int num = (int)wParam & 65520;
if (num == 61488 || num == 61728)
{
this.UpdateMaximizedState(num == 61488);
}
}
}
else if (((int)wParam & 65535) == 0 && lParam == this.GetParentWindowHandle())
{
Win32Helper.SetActiveWindow(this._hwndSrc.Handle);
handled = true;
}
}
else if (msg == 514)
{
if (this._dragService != null && Mouse.LeftButton == MouseButtonState.Released)
{
this._dragService.Abort();
this._dragService = null;
this.SetIsDragging(false);
}
}
else if (msg == 534)
{
this.UpdateDragPosition();
}
else if (msg == 562)
{
this.UpdatePositionAndSizeOfPanes();
if (this._dragService != null)
{
Point deviceDPI = this.TransformToDeviceDPI(Win32Helper.GetMousePosition());
this._dragService.Drop(deviceDPI, out flag);
this._dragService = null;
this.SetIsDragging(false);
if (flag)
{
this.InternalClose();
}
}
}
return(IntPtr.Zero);
}
private void UpdateDragPosition()
{
if (_dragService == null)
{
_dragService = new DragService(this);
SetIsDragging(true);
}
var mousePosition = this.TransformToDeviceDPI(Win32Helper.GetMousePosition());
_dragService.UpdateMouseLocation(mousePosition);
}
private void UpdateDragPosition()
{
if (_dragService == null) {
_dragService = new DragService(this);
SetIsDragging(true);
}
var mousePosition = this.TransformToDeviceDPI(Win32Helper.GetMousePosition());
_dragService.UpdateMouseLocation(mousePosition);
}
protected virtual IntPtr FilterMessage(
IntPtr hwnd,
int msg,
IntPtr wParam,
IntPtr lParam,
ref bool handled
)
{
handled = false;
switch (msg) {
case Win32Helper.WM_ACTIVATE:
if (((int)wParam & 0xFFFF) == Win32Helper.WA_INACTIVE) {
if (lParam == this.GetParentWindowHandle()) {
Win32Helper.SetActiveWindow(_hwndSrc.Handle);
handled = true;
}
}
break;
case Win32Helper.WM_EXITSIZEMOVE:
UpdatePositionAndSizeOfPanes();
if (_dragService != null) {
bool dropFlag;
var mousePosition = this.TransformToDeviceDPI(Win32Helper.GetMousePosition());
_dragService.Drop(mousePosition, out dropFlag);
_dragService = null;
SetIsDragging(false);
if (dropFlag)
InternalClose();
}
break;
case Win32Helper.WM_MOVING: {
UpdateDragPosition();
}
break;
case Win32Helper.WM_LBUTTONUP: //set as handled right button click on title area (after showing context menu)
if (_dragService != null && Mouse.LeftButton == MouseButtonState.Released) {
_dragService.Abort();
_dragService = null;
SetIsDragging(false);
}
break;
case Win32Helper.WM_SYSCOMMAND:
IntPtr wMaximize = new IntPtr(Win32Helper.SC_MAXIMIZE);
IntPtr wRestore = new IntPtr(Win32Helper.SC_RESTORE);
if (wParam == wMaximize || wParam == wRestore) {
UpdateMaximizedState(wParam == wMaximize);
}
break;
}
return IntPtr.Zero;
}
protected virtual IntPtr FilterMessage(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
handled = false;
switch (msg)
{
case Win32Helper.WM_ACTIVATE:
if ((( int )wParam & 0xFFFF) == Win32Helper.WA_INACTIVE)
{
if (lParam == this.GetParentWindowHandle())
{
Win32Helper.SetActiveWindow(_hwndSrc.Handle);
handled = true;
}
}
break;
case Win32Helper.WM_EXITSIZEMOVE:
UpdatePositionAndSizeOfPanes();
if (_dragService != null)
{
bool dropFlag;
var mousePosition = this.TransformToDeviceDPI(Win32Helper.GetMousePosition());
_dragService.Drop(mousePosition, out dropFlag);
_dragService = null;
SetIsDragging(false);
if (dropFlag)
{
InternalClose();
}
}
break;
case Win32Helper.WM_MOVING:
{
UpdateDragPosition();
if (this.IsMaximized)
{
this.UpdateMaximizedState(false);
}
}
break;
case Win32Helper.WM_LBUTTONUP: //set as handled right button click on title area (after showing context menu)
if (_dragService != null && Mouse.LeftButton == MouseButtonState.Released)
{
_dragService.Abort();
_dragService = null;
SetIsDragging(false);
}
break;
case Win32Helper.WM_SYSCOMMAND:
int command = ( int )wParam & 0xFFF0;
if (command == Win32Helper.SC_MAXIMIZE || command == Win32Helper.SC_RESTORE)
{
UpdateMaximizedState(command == Win32Helper.SC_MAXIMIZE);
}
break;
}
return(IntPtr.Zero);
}
protected virtual IntPtr FilterMessage(
IntPtr hwnd,
int msg,
IntPtr wParam,
IntPtr lParam,
ref bool handled
)
{
handled = false;
switch (msg)
{
case Win32Helper.WM_ACTIVATE:
if (((int)wParam & 0xFFFF) == Win32Helper.WA_INACTIVE)
{
if (lParam == this.GetParentWindowHandle())
{
Win32Helper.SetActiveWindow(_hwndSrc.Handle);
handled = true;
}
}
break;
case Win32Helper.WM_EXITSIZEMOVE:
UpdatePositionAndSizeOfPanes();
if (_dragService != null)
{
bool dropFlag;
var mousePosition = this.TransformToDeviceDPI(Win32Helper.GetMousePosition());
var manager = _model.Root.Manager;
_dragService.Drop(mousePosition, out dropFlag);
_dragService = null;
SetIsDragging(false);
if (dropFlag)
{
InternalClose();
if (manager != null)
{
manager.OnLayoutConfigurationChanged();
}
}
else
{
var floatingWindow = Model as LayoutDocumentFloatingWindow;
if (floatingWindow != null)
{
floatingWindow.RootDocument.Dock();
}
}
}
break;
case Win32Helper.WM_MOVING:
{
UpdateDragPosition();
}
break;
case Win32Helper.WM_LBUTTONUP: //set as handled right button click on title area (after showing context menu)
if (_dragService != null && Mouse.LeftButton == MouseButtonState.Released)
{
_dragService.Abort();
_dragService = null;
SetIsDragging(false);
}
break;
case Win32Helper.WM_SYSCOMMAND:
IntPtr wMaximize = new IntPtr(Win32Helper.SC_MAXIMIZE);
IntPtr wRestore = new IntPtr(Win32Helper.SC_RESTORE);
if (wParam == wMaximize || wParam == wRestore)
{
UpdateMaximizedState(wParam == wMaximize);
}
break;
}
return(IntPtr.Zero);
}
protected virtual IntPtr FilterMessage(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
handled = false;
switch (msg)
{
case Win32Helper.NCCALCSIZE:
if (wParam != IntPtr.Zero)
{
handled = true;
var client = (RECT)Marshal.PtrToStructure(lParam, typeof(RECT));
client.Bottom -= 1;
Marshal.StructureToPtr(client, lParam, false);
}
break;
//case Win32Helper.WM_NCHITTEST:
// {
// handled = true;
// //var htLocation = DefWindowProc( hwnd, msg, wParam, lParam ).ToInt32();
// //switch( htLocation )
// //{
// // case (int)HitTestResult.HTBOTTOM:
// // case (int)HitTestResult.HTBOTTOMLEFT:
// // case (int)HitTestResult.HTBOTTOMRIGHT:
// // case (int)HitTestResult.HTLEFT:
// // case (int)HitTestResult.HTRIGHT:
// // case (int)HitTestResult.HTTOP:
// // case (int)HitTestResult.HTTOPLEFT:
// // case (int)HitTestResult.HTTOPRIGHT:
// // htLocation = (int)HitTestResult.HTBORDER;
// }
// break;
case Win32Helper.WM_ACTIVATE:
if (((int)wParam & 0xFFFF) == Win32Helper.WA_INACTIVE)
{
if (lParam == this.GetParentWindowHandle())
{
Win32Helper.SetActiveWindow(_hwndSrc.Handle);
handled = true;
}
}
break;
case Win32Helper.WM_EXITSIZEMOVE:
UpdatePositionAndSizeOfPanes();
if (_dragService != null)
{
bool dropFlag;
var mousePosition = this.TransformToDeviceDPI(Win32Helper.GetMousePosition());
_dragService.Drop(mousePosition, out dropFlag);
_dragService = null;
SetIsDragging(false);
if (dropFlag)
{
InternalClose();
}
}
break;
case Win32Helper.WM_MOVING:
{
UpdateDragPosition();
if (this.IsMaximized)
{
this.UpdateMaximizedState(false);
}
}
break;
case Win32Helper.WM_LBUTTONUP: //set as handled right button click on title area (after showing context menu)
if (_dragService != null && Mouse.LeftButton == MouseButtonState.Released)
{
_dragService.Abort();
_dragService = null;
SetIsDragging(false);
}
break;
case Win32Helper.WM_SYSCOMMAND:
int command = (int)wParam & 0xFFF0;
if (command == Win32Helper.SC_MAXIMIZE || command == Win32Helper.SC_RESTORE)
{
UpdateMaximizedState(command == Win32Helper.SC_MAXIMIZE);
}
break;
}
return(IntPtr.Zero);
}
public void UpdateMouseLocation(Point dragPosition)
{
Func <IDropTarget, bool> func2 = null;
ILayoutElement model = this._floatingWindow.Model;
IOverlayWindowHost overlayWindowHost = this._overlayWindowHosts.FirstOrDefault <IOverlayWindowHost>((IOverlayWindowHost oh) => oh.HitTest(dragPosition));
if (this._currentHost != null || this._currentHost != overlayWindowHost)
{
if (this._currentHost != null && !this._currentHost.HitTest(dragPosition) || this._currentHost != overlayWindowHost)
{
if (this._currentDropTarget != null)
{
this._currentWindow.DragLeave(this._currentDropTarget);
}
this._currentDropTarget = null;
this._currentWindowAreas.ForEach((IDropArea a) => this._currentWindow.DragLeave(a));
this._currentWindowAreas.Clear();
if (this._currentWindow != null)
{
this._currentWindow.DragLeave(this._floatingWindow);
}
if (this._currentHost != null)
{
this._currentHost.HideOverlayWindow();
}
this._currentHost = null;
}
if (this._currentHost != overlayWindowHost)
{
this._currentHost = overlayWindowHost;
this._currentWindow = this._currentHost.ShowOverlayWindow(this._floatingWindow);
this._currentWindow.DragEnter(this._floatingWindow);
}
}
if (this._currentHost == null)
{
return;
}
if (this._currentDropTarget != null && !this._currentDropTarget.HitTest(dragPosition))
{
this._currentWindow.DragLeave(this._currentDropTarget);
this._currentDropTarget = null;
}
List <IDropArea> dropAreas = new List <IDropArea>();
this._currentWindowAreas.ForEach((IDropArea a) => {
if (!a.DetectionRect.Contains(dragPosition))
{
this._currentWindow.DragLeave(a);
dropAreas.Add(a);
}
});
dropAreas.ForEach((IDropArea a) => this._currentWindowAreas.Remove(a));
List <IDropArea> list = this._currentHost.GetDropAreas(this._floatingWindow).Where <IDropArea>((IDropArea cw) => {
if (this._currentWindowAreas.Contains(cw))
{
return(false);
}
return(cw.DetectionRect.Contains(dragPosition));
}).ToList <IDropArea>();
this._currentWindowAreas.AddRange(list);
list.ForEach((IDropArea a) => this._currentWindow.DragEnter(a));
if (this._currentDropTarget == null)
{
this._currentWindowAreas.ForEach((IDropArea wa) => {
if (this._currentDropTarget != null)
{
return;
}
DragService u003cu003e4_this = this;
IEnumerable <IDropTarget> targets = this._currentWindow.GetTargets();
Func <IDropTarget, bool> u003cu003e9_7 = func2;
if (u003cu003e9_7 == null)
{
Func <IDropTarget, bool> func = (IDropTarget dt) => dt.HitTest(dragPosition);
Func <IDropTarget, bool> func1 = func;
func2 = func;
u003cu003e9_7 = func1;
}
u003cu003e4_this._currentDropTarget = targets.FirstOrDefault <IDropTarget>(u003cu003e9_7);
if (this._currentDropTarget == null)
{
return;
}
this._currentWindow.DragEnter(this._currentDropTarget);
});
}
}
