void wxSplitterWindow::OnMouseCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
{
if (m_dragMode != wxSPLIT_DRAG_DRAGGING)
return;
m_dragMode = wxSPLIT_DRAG_NONE;
SetCursor(* wxSTANDARD_CURSOR);
// Erase old tracker
if ( !IsLive(this) )
{
DrawSashTracker(m_oldX, m_oldY);
}
}
void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
{
int x = (int)event.GetX(),
y = (int)event.GetY();
if (GetWindowStyle() & wxSP_NOSASH)
return;
// with wxSP_LIVE_UPDATE style the splitter windows are always resized
// following the mouse movement while it drags the sash, without it we only
// draw the sash at the new position but only resize the windows when the
// dragging is finished
#if defined( __WXMAC__ ) && TARGET_API_MAC_OSX == 1
bool isLive = true ;
#else
bool isLive = (GetWindowStyleFlag() & wxSP_LIVE_UPDATE) != 0;
#endif
if (event.LeftDown())
{
if ( SashHitTest(x, y) )
{
// Start the drag now
m_dragMode = wxSPLIT_DRAG_DRAGGING;
// Capture mouse and set the cursor
CaptureMouse();
SetResizeCursor();
if ( !isLive )
{
// remember the initial sash position and draw the initial
// shadow sash
m_sashPositionCurrent = m_sashPosition;
DrawSashTracker(x, y);
}
m_oldX = x;
m_oldY = y;
SetResizeCursor();
return;
}
}
else if (event.LeftUp() && m_dragMode == wxSPLIT_DRAG_DRAGGING)
{
// We can stop dragging now and see what we've got.
m_dragMode = wxSPLIT_DRAG_NONE;
// Release mouse and unset the cursor
ReleaseMouse();
SetCursor(* wxSTANDARD_CURSOR);
// exit if unsplit after doubleclick
if ( !IsSplit() )
{
return;
}
// Erase old tracker
if ( !isLive )
{
DrawSashTracker(m_oldX, m_oldY);
}
// the position of the click doesn't exactly correspond to
// m_sashPosition, rather it changes it by the distance by which the
// mouse has moved
int diff = m_splitMode == wxSPLIT_VERTICAL ? x - m_oldX : y - m_oldY;
int posSashOld = isLive ? m_sashPosition : m_sashPositionCurrent;
int posSashNew = OnSashPositionChanging(posSashOld + diff);
if ( posSashNew == -1 )
{
// change not allowed
return;
}
if ( m_permitUnsplitAlways || m_minimumPaneSize == 0 )
{
// Deal with possible unsplit scenarios
if ( posSashNew == 0 )
{
// We remove the first window from the view
wxWindow *removedWindow = m_windowOne;
m_windowOne = m_windowTwo;
m_windowTwo = (wxWindow *) NULL;
OnUnsplit(removedWindow);
wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
event.m_data.win = removedWindow;
(void)DoSendEvent(event);
SetSashPositionAndNotify(0);
}
else if ( posSashNew == GetWindowSize() )
{
// We remove the second window from the view
wxWindow *removedWindow = m_windowTwo;
m_windowTwo = (wxWindow *) NULL;
OnUnsplit(removedWindow);
wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
event.m_data.win = removedWindow;
(void)DoSendEvent(event);
SetSashPositionAndNotify(0);
}
else
{
SetSashPositionAndNotify(posSashNew);
}
}
else
{
SetSashPositionAndNotify(posSashNew);
}
SizeWindows();
} // left up && dragging
else if ((event.Moving() || event.Leaving() || event.Entering()) && (m_dragMode == wxSPLIT_DRAG_NONE))
{
if ( event.Leaving() || !SashHitTest(x, y) )
OnLeaveSash();
else
OnEnterSash();
}
else if (event.Dragging() && (m_dragMode == wxSPLIT_DRAG_DRAGGING))
{
int diff = m_splitMode == wxSPLIT_VERTICAL ? x - m_oldX : y - m_oldY;
if ( !diff )
{
// nothing to do, mouse didn't really move far enough
return;
}
int posSashOld = isLive ? m_sashPosition : m_sashPositionCurrent;
int posSashNew = OnSashPositionChanging(posSashOld + diff);
if ( posSashNew == -1 )
{
// change not allowed
return;
}
if ( posSashNew == m_sashPosition )
return;
// Erase old tracker
if ( !isLive )
{
DrawSashTracker(m_oldX, m_oldY);
}
if (m_splitMode == wxSPLIT_VERTICAL)
x = posSashNew;
else
y = posSashNew;
// Remember old positions
m_oldX = x;
m_oldY = y;
#ifdef __WXMSW__
// As we captured the mouse, we may get the mouse events from outside
// our window - for example, negative values in x, y. This has a weird
// consequence under MSW where we use unsigned values sometimes and
// signed ones other times: the coordinates turn as big positive
// numbers and so the sash is drawn on the *right* side of the window
// instead of the left (or bottom instead of top). Correct this.
if ( (short)m_oldX < 0 )
m_oldX = 0;
if ( (short)m_oldY < 0 )
m_oldY = 0;
#endif // __WXMSW__
// Draw new one
if ( !isLive )
{
m_sashPositionCurrent = posSashNew;
DrawSashTracker(m_oldX, m_oldY);
}
else
{
DoSetSashPosition(posSashNew);
m_needUpdating = true;
}
}
else if ( event.LeftDClick() && m_windowTwo )
{
OnDoubleClickSash(x, y);
}
}
void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
{
int x = (int)event.GetX(),
y = (int)event.GetY();
if ( GetWindowStyle() & wxSP_NOSASH )
{
event.Skip();
return;
}
bool isLive = IsLive(this);
if (event.LeftDown())
{
if ( SashHitTest(x, y) )
{
// Start the drag now
m_dragMode = wxSPLIT_DRAG_DRAGGING;
// Capture mouse and set the cursor
CaptureMouse();
SetResizeCursor();
if ( !isLive )
{
// remember the initial sash position and draw the initial
// shadow sash
m_sashPositionCurrent = m_sashPosition;
m_oldX = (m_splitMode == wxSPLIT_VERTICAL ? m_sashPositionCurrent : x);
m_oldY = (m_splitMode != wxSPLIT_VERTICAL ? m_sashPositionCurrent : y);
DrawSashTracker(m_oldX, m_oldY);
}
m_ptStart = wxPoint(x,y);
m_sashStart = m_sashPosition;
return;
}
}
else if (event.LeftUp() && m_dragMode == wxSPLIT_DRAG_DRAGGING)
{
// We can stop dragging now and see what we've got.
m_dragMode = wxSPLIT_DRAG_NONE;
// Release mouse and unset the cursor
ReleaseMouse();
SetCursor(* wxSTANDARD_CURSOR);
// exit if unsplit after doubleclick
if ( !IsSplit() )
{
return;
}
// Erase old tracker
if ( !isLive )
{
DrawSashTracker(m_oldX, m_oldY);
}
// the position of the click doesn't exactly correspond to
// m_sashPosition, rather it changes it by the distance by which the
// mouse has moved
int diff = m_splitMode == wxSPLIT_VERTICAL ? x - m_ptStart.x : y - m_ptStart.y;
int posSashNew = OnSashPositionChanging(m_sashStart + diff);
if ( posSashNew == -1 )
{
// change not allowed
return;
}
if ( m_permitUnsplitAlways || m_minimumPaneSize == 0 )
{
// Deal with possible unsplit scenarios
if ( posSashNew == 0 )
{
// We remove the first window from the view
wxWindow *removedWindow = m_windowOne;
m_windowOne = m_windowTwo;
m_windowTwo = NULL;
OnUnsplit(removedWindow);
wxSplitterEvent eventUnsplit(wxEVT_SPLITTER_UNSPLIT, this);
eventUnsplit.m_data.win = removedWindow;
(void)DoSendEvent(eventUnsplit);
SetSashPositionAndNotify(0);
}
else if ( posSashNew == GetWindowSize() )
{
// We remove the second window from the view
wxWindow *removedWindow = m_windowTwo;
m_windowTwo = NULL;
OnUnsplit(removedWindow);
wxSplitterEvent eventUnsplit(wxEVT_SPLITTER_UNSPLIT, this);
eventUnsplit.m_data.win = removedWindow;
(void)DoSendEvent(eventUnsplit);
SetSashPositionAndNotify(0);
}
else
{
SetSashPositionAndNotify(posSashNew);
}
}
else
{
SetSashPositionAndNotify(posSashNew);
}
SizeWindows();
} // left up && dragging
else if ((event.Moving() || event.Leaving() || event.Entering()) && (m_dragMode == wxSPLIT_DRAG_NONE))
{
if ( event.Leaving() || !SashHitTest(x, y) )
OnLeaveSash();
else
OnEnterSash();
}
else if (event.Dragging() && (m_dragMode == wxSPLIT_DRAG_DRAGGING))
{
int diff = m_splitMode == wxSPLIT_VERTICAL ? x - m_ptStart.x : y - m_ptStart.y;
int posSashNew = OnSashPositionChanging(m_sashStart + diff);
if ( posSashNew == -1 )
{
// change not allowed
return;
}
if ( !isLive )
{
if ( posSashNew == m_sashPositionCurrent )
return;
m_sashPositionCurrent = posSashNew;
// Erase old tracker
DrawSashTracker(m_oldX, m_oldY);
m_oldX = (m_splitMode == wxSPLIT_VERTICAL ? m_sashPositionCurrent : x);
m_oldY = (m_splitMode != wxSPLIT_VERTICAL ? m_sashPositionCurrent : y);
#ifdef __WXMSW__
// As we captured the mouse, we may get the mouse events from outside
// our window - for example, negative values in x, y. This has a weird
// consequence under MSW where we use unsigned values sometimes and
// signed ones other times: the coordinates turn as big positive
// numbers and so the sash is drawn on the *right* side of the window
// instead of the left (or bottom instead of top). Correct this.
if ( (short)m_oldX < 0 )
m_oldX = 0;
if ( (short)m_oldY < 0 )
m_oldY = 0;
#endif // __WXMSW__
// Draw new one
DrawSashTracker(m_oldX, m_oldY);
}
else
{
if ( posSashNew == m_sashPosition )
return;
DoSetSashPosition(posSashNew);
// in live mode, the new position is the actual sash position, clear requested position!
m_requestedSashPosition = INT_MAX;
m_needUpdating = true;
}
}
else if ( event.LeftDClick() && m_windowTwo )
{
OnDoubleClickSash(x, y);
}
else
{
event.Skip();
}
}
void wxSashWindow::OnMouseEvent(wxMouseEvent& event)
{
wxCoord x = 0, y = 0;
event.GetPosition(&x, &y);
wxSashEdgePosition sashHit = SashHitTest(x, y);
if (event.LeftDown())
{
CaptureMouse();
m_mouseCaptured = true;
if ( sashHit != wxSASH_NONE )
{
// Required for X to specify that
// that we wish to draw on top of all windows
// - and we optimise by specifying the area
// for creating the overlap window.
// Find the first frame or dialog and use this to specify
// the area to draw on.
wxWindow* parent = this;
while (parent && !parent->IsKindOf(CLASSINFO(wxDialog)) &&
!parent->IsKindOf(CLASSINFO(wxFrame)))
parent = parent->GetParent();
wxScreenDC::StartDrawingOnTop(parent);
// We don't say we're dragging yet; we leave that
// decision for the Dragging() branch, to ensure
// the user has dragged a little bit.
m_dragMode = wxSASH_DRAG_LEFT_DOWN;
m_draggingEdge = sashHit;
m_firstX = x;
m_firstY = y;
if ( (sashHit == wxSASH_LEFT) || (sashHit == wxSASH_RIGHT) )
{
if (m_currentCursor != m_sashCursorWE)
{
SetCursor(*m_sashCursorWE);
}
m_currentCursor = m_sashCursorWE;
}
else
{
if (m_currentCursor != m_sashCursorNS)
{
SetCursor(*m_sashCursorNS);
}
m_currentCursor = m_sashCursorNS;
}
}
}
else if ( event.LeftUp() && m_dragMode == wxSASH_DRAG_LEFT_DOWN )
{
// Wasn't a proper drag
if (m_mouseCaptured)
ReleaseMouse();
m_mouseCaptured = false;
wxScreenDC::EndDrawingOnTop();
m_dragMode = wxSASH_DRAG_NONE;
m_draggingEdge = wxSASH_NONE;
}
else if (event.LeftUp() && m_dragMode == wxSASH_DRAG_DRAGGING)
{
// We can stop dragging now and see what we've got.
m_dragMode = wxSASH_DRAG_NONE;
if (m_mouseCaptured)
ReleaseMouse();
m_mouseCaptured = false;
// Erase old tracker
DrawSashTracker(m_draggingEdge, m_oldX, m_oldY);
// End drawing on top (frees the window used for drawing
// over the screen)
wxScreenDC::EndDrawingOnTop();
int w, h;
GetSize(&w, &h);
int xp, yp;
GetPosition(&xp, &yp);
wxSashEdgePosition edge = m_draggingEdge;
m_draggingEdge = wxSASH_NONE;
wxRect dragRect;
wxSashDragStatus status = wxSASH_STATUS_OK;
// the new height and width of the window - if -1, it didn't change
int newHeight = wxDefaultCoord,
newWidth = wxDefaultCoord;
// NB: x and y may be negative and they're relative to the sash window
// upper left corner, while xp and yp are expressed in the parent
// window system of coordinates, so adjust them! After this
// adjustment, all coordinates are relative to the parent window.
y += yp;
x += xp;
switch (edge)
{
case wxSASH_TOP:
if ( y > yp + h )
{
// top sash shouldn't get below the bottom one
status = wxSASH_STATUS_OUT_OF_RANGE;
}
else
{
newHeight = h - (y - yp);
}
break;
case wxSASH_BOTTOM:
if ( y < yp )
{
// bottom sash shouldn't get above the top one
status = wxSASH_STATUS_OUT_OF_RANGE;
}
else
{
newHeight = y - yp;
}
break;
case wxSASH_LEFT:
if ( x > xp + w )
{
// left sash shouldn't get beyond the right one
status = wxSASH_STATUS_OUT_OF_RANGE;
}
else
{
newWidth = w - (x - xp);
}
break;
case wxSASH_RIGHT:
if ( x < xp )
{
// and the right sash, finally, shouldn't be beyond the
// left one
status = wxSASH_STATUS_OUT_OF_RANGE;
}
else
{
newWidth = x - xp;
}
break;
case wxSASH_NONE:
// can this happen at all?
break;
}
if ( newHeight == wxDefaultCoord )
{
// didn't change
newHeight = h;
}
else
{
// make sure it's in m_minimumPaneSizeY..m_maximumPaneSizeY range
newHeight = wxMax(newHeight, m_minimumPaneSizeY);
newHeight = wxMin(newHeight, m_maximumPaneSizeY);
}
if ( newWidth == wxDefaultCoord )
{
// didn't change
newWidth = w;
}
else
{
// make sure it's in m_minimumPaneSizeY..m_maximumPaneSizeY range
newWidth = wxMax(newWidth, m_minimumPaneSizeX);
newWidth = wxMin(newWidth, m_maximumPaneSizeX);
}
dragRect = wxRect(x, y, newWidth, newHeight);
wxSashEvent eventSash(GetId(), edge);
eventSash.SetEventObject(this);
eventSash.SetDragStatus(status);
eventSash.SetDragRect(dragRect);
GetEventHandler()->ProcessEvent(eventSash);
}
else if ( event.LeftUp() )
{
if (m_mouseCaptured)
ReleaseMouse();
m_mouseCaptured = false;
}
else if ((event.Moving() || event.Leaving()) && !event.Dragging())
{
// Just change the cursor if required
if ( sashHit != wxSASH_NONE )
{
if ( (sashHit == wxSASH_LEFT) || (sashHit == wxSASH_RIGHT) )
{
if (m_currentCursor != m_sashCursorWE)
{
SetCursor(*m_sashCursorWE);
}
m_currentCursor = m_sashCursorWE;
}
else
{
if (m_currentCursor != m_sashCursorNS)
{
SetCursor(*m_sashCursorNS);
}
m_currentCursor = m_sashCursorNS;
}
}
else
{
SetCursor(wxNullCursor);
m_currentCursor = NULL;
}
}
else if ( event.Dragging() &&
((m_dragMode == wxSASH_DRAG_DRAGGING) ||
(m_dragMode == wxSASH_DRAG_LEFT_DOWN)) )
{
if ( (m_draggingEdge == wxSASH_LEFT) || (m_draggingEdge == wxSASH_RIGHT) )
{
if (m_currentCursor != m_sashCursorWE)
{
SetCursor(*m_sashCursorWE);
}
m_currentCursor = m_sashCursorWE;
}
else
{
if (m_currentCursor != m_sashCursorNS)
{
SetCursor(*m_sashCursorNS);
}
m_currentCursor = m_sashCursorNS;
}
if (m_dragMode == wxSASH_DRAG_LEFT_DOWN)
{
m_dragMode = wxSASH_DRAG_DRAGGING;
DrawSashTracker(m_draggingEdge, x, y);
}
else
{
if ( m_dragMode == wxSASH_DRAG_DRAGGING )
{
// Erase old tracker
DrawSashTracker(m_draggingEdge, m_oldX, m_oldY);
// Draw new one
DrawSashTracker(m_draggingEdge, x, y);
}
}
m_oldX = x;
m_oldY = y;
}
else if ( event.LeftDClick() )
{
// Nothing
}
else
{
}
}