// Author: Julian Smart
// Modified by:
// Created: 01/02/97
-// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include <stdlib.h>
-wxDEFINE_EVENT( wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED, wxSplitterEvent );
-wxDEFINE_EVENT( wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGING, wxSplitterEvent );
-wxDEFINE_EVENT( wxEVT_COMMAND_SPLITTER_DOUBLECLICKED, wxSplitterEvent );
-wxDEFINE_EVENT( wxEVT_COMMAND_SPLITTER_UNSPLIT, wxSplitterEvent );
+wxDEFINE_EVENT( wxEVT_SPLITTER_SASH_POS_CHANGED, wxSplitterEvent );
+wxDEFINE_EVENT( wxEVT_SPLITTER_SASH_POS_CHANGING, wxSplitterEvent );
+wxDEFINE_EVENT( wxEVT_SPLITTER_DOUBLECLICKED, wxSplitterEvent );
+wxDEFINE_EVENT( wxEVT_SPLITTER_UNSPLIT, wxSplitterEvent );
IMPLEMENT_DYNAMIC_CLASS(wxSplitterWindow, wxWindow)
EVT_PAINT(wxSplitterWindow::OnPaint)
EVT_SIZE(wxSplitterWindow::OnSize)
EVT_MOUSE_EVENTS(wxSplitterWindow::OnMouseEvent)
+ EVT_MOUSE_CAPTURE_LOST(wxSplitterWindow::OnMouseCaptureLost)
#if defined( __WXMSW__ ) || defined( __WXMAC__)
EVT_SET_CURSOR(wxSplitterWindow::OnSetCursor)
#endif // wxMSW
-
- WX_EVENT_TABLE_CONTROL_CONTAINER(wxSplitterWindow)
END_EVENT_TABLE()
-WX_DELEGATE_TO_CONTROL_CONTAINER(wxSplitterWindow, wxWindow)
+static bool IsLive(wxSplitterWindow* wnd)
+{
+ // 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__ ) && defined(TARGET_API_MAC_OSX) && TARGET_API_MAC_OSX == 1
+ return true; // Mac can't paint outside paint event - always need live mode
+#else
+ return wnd->HasFlag(wxSP_LIVE_UPDATE);
+#endif
+}
bool wxSplitterWindow::Create(wxWindow *parent, wxWindowID id,
const wxPoint& pos,
// allow TABbing from one window to the other
style |= wxTAB_TRAVERSAL;
- // we draw our border ourselves to blend the sash with it
- style &= ~wxBORDER_MASK;
- style |= wxBORDER_NONE;
-
-#ifdef __WXMAC__
- // CoreGraphics can't paint sash feedback
- style |= wxSP_LIVE_UPDATE;
-#endif
-
if ( !wxWindow::Create(parent, id, pos, size, style, name) )
return false;
- if (size.x >= 0)
- m_lastSize.x = size.x;
- if (size.y >= 0)
- m_lastSize.y = size.y;
+ m_lastSize = GetClientSize();
m_permitUnsplitAlways = (style & wxSP_PERMIT_UNSPLIT) != 0;
void wxSplitterWindow::Init()
{
- WX_INIT_CONTROL_CONTAINER();
-
m_splitMode = wxSPLIT_VERTICAL;
m_permitUnsplitAlways = true;
m_windowOne = NULL;
m_dragMode = wxSPLIT_DRAG_NONE;
m_oldX = 0;
m_oldY = 0;
- m_firstX = 0;
- m_firstY = 0;
- m_sashPosition = m_requestedSashPosition = 0;
+ m_sashStart = 0;
+ m_sashPosition = 0;
+ m_requestedSashPosition = INT_MAX;
m_sashGravity = 0.0;
- m_sashSize = -1; // -1 means use the native sash size
m_lastSize = wxSize(0,0);
- m_checkRequestedSashPosition = false;
m_minimumPaneSize = 0;
m_sashCursorWE = wxCursor(wxCURSOR_SIZEWE);
m_sashCursorNS = wxCursor(wxCURSOR_SIZENS);
void wxSplitterWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
{
wxPaintDC dc(this);
+#ifdef __WXOSX__
+ // as subpanels might have a transparent background we must erase the background
+ // at least on OSX, otherwise traces of the sash will remain
+ // test with: splitter sample->replace right window
+ dc.Clear();
+#endif
DrawSash(dc);
}
{
wxWindow::OnInternalIdle();
- // if this is the first idle time after a sash position has potentially
- // been set, allow SizeWindows to check for a requested size.
- if (!m_checkRequestedSashPosition)
+ // We may need to update the children sizes in two cases: either because
+ // we're in the middle of a live update as indicated by m_needUpdating or
+ // because we have a requested but not yet set sash position as indicated
+ // by m_requestedSashPosition having a valid value.
+ if ( m_needUpdating )
{
- m_checkRequestedSashPosition = true;
- SizeWindows();
- return; // it won't needUpdating in this case
+ m_needUpdating = false;
+ }
+ else if ( m_requestedSashPosition == INT_MAX )
+ {
+ // We don't need to resize the children.
+ return;
}
- if (m_needUpdating)
- SizeWindows();
+ SizeWindows();
}
void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
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__ )
- // FIXME : this should be usable also with no live update, but then this
- // currently is not visible
- bool isLive = true;
-#else
- bool isLive = HasFlag(wxSP_LIVE_UPDATE);
-#endif
+ bool isLive = IsLive(this);
+
if (event.LeftDown())
{
if ( SashHitTest(x, y) )
// shadow sash
m_sashPositionCurrent = m_sashPosition;
- DrawSashTracker(x, y);
+ m_oldX = (m_splitMode == wxSPLIT_VERTICAL ? m_sashPositionCurrent : x);
+ m_oldY = (m_splitMode != wxSPLIT_VERTICAL ? m_sashPositionCurrent : y);
+ DrawSashTracker(m_oldX, m_oldY);
}
- m_oldX = x;
- m_oldY = y;
-
- SetResizeCursor();
+ m_ptStart = wxPoint(x,y);
+ m_sashStart = m_sashPosition;
return;
}
}
// 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 diff = m_splitMode == wxSPLIT_VERTICAL ? x - m_ptStart.x : y - m_ptStart.y;
- int posSashOld = isLive ? m_sashPosition : m_sashPositionCurrent;
- int posSashNew = OnSashPositionChanging(posSashOld + diff);
+ int posSashNew = OnSashPositionChanging(m_sashStart + diff);
if ( posSashNew == -1 )
{
// change not allowed
m_windowOne = m_windowTwo;
m_windowTwo = NULL;
OnUnsplit(removedWindow);
- wxSplitterEvent eventUnsplit(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
+ wxSplitterEvent eventUnsplit(wxEVT_SPLITTER_UNSPLIT, this);
eventUnsplit.m_data.win = removedWindow;
(void)DoSendEvent(eventUnsplit);
SetSashPositionAndNotify(0);
wxWindow *removedWindow = m_windowTwo;
m_windowTwo = NULL;
OnUnsplit(removedWindow);
- wxSplitterEvent eventUnsplit(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
+ wxSplitterEvent eventUnsplit(wxEVT_SPLITTER_UNSPLIT, this);
eventUnsplit.m_data.win = removedWindow;
(void)DoSendEvent(eventUnsplit);
SetSashPositionAndNotify(0);
}
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 diff = m_splitMode == wxSPLIT_VERTICAL ? x - m_ptStart.x : y - m_ptStart.y;
- int posSashOld = isLive ? m_sashPosition : m_sashPositionCurrent;
- int posSashNew = OnSashPositionChanging(posSashOld + diff);
+ int posSashNew = OnSashPositionChanging(m_sashStart + diff);
if ( posSashNew == -1 )
{
// change not allowed
return;
}
- if ( posSashNew == m_sashPosition )
- return;
-
- // Erase old tracker
if ( !isLive )
{
- DrawSashTracker(m_oldX, m_oldY);
- }
+ if ( posSashNew == m_sashPositionCurrent )
+ return;
- if (m_splitMode == wxSPLIT_VERTICAL)
- x = posSashNew;
- else
- y = posSashNew;
+ m_sashPositionCurrent = posSashNew;
+
+ // Erase old tracker
+ DrawSashTracker(m_oldX, m_oldY);
- // Remember old positions
- m_oldX = x;
- m_oldY = y;
+ 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;
+ // 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;
-
+ // 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;
}
}
}
}
+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::OnSize(wxSizeEvent& event)
{
// only process this message if we're not iconized - otherwise iconizing
return;
}
- if ( m_windowTwo )
- {
- int w, h;
- GetClientSize(&w, &h);
+ const wxSize curSize = event.GetSize();
- int size = m_splitMode == wxSPLIT_VERTICAL ? w : h;
+ // Update the sash position if needed.
+ //
+ // Notice that we shouldn't do this if the sash position requested by user
+ // couldn't be set yet as it would never be taken into account at all if we
+ // modified it before this happens.
+ if ( m_windowTwo && m_requestedSashPosition == INT_MAX )
+ {
+ int size = m_splitMode == wxSPLIT_VERTICAL ? curSize.x : curSize.y;
int old_size = m_splitMode == wxSPLIT_VERTICAL ? m_lastSize.x : m_lastSize.y;
- if ( old_size != 0 )
+
+ // Don't do anything if the size didn't really change.
+ if ( size != old_size )
{
+ int newPosition = -1;
+
+ // Apply gravity if we use it.
int delta = (int) ( (size - old_size)*m_sashGravity );
if ( delta != 0 )
{
- int newPosition = m_sashPosition + delta;
+ newPosition = m_sashPosition + delta;
if( newPosition < m_minimumPaneSize )
newPosition = m_minimumPaneSize;
- SetSashPositionAndNotify(newPosition);
}
- }
- if ( m_sashPosition >= size - 5 )
- SetSashPositionAndNotify(wxMax(10, size - 40));
- m_lastSize = wxSize(w,h);
+ // Also check if the second window became too small.
+ newPosition = AdjustSashPosition(newPosition == -1
+ ? m_sashPosition
+ : newPosition);
+ if ( newPosition != m_sashPosition )
+ SetSashPositionAndNotify(newPosition);
+ }
}
+ m_lastSize = curSize;
+
SizeWindows();
}
void wxSplitterWindow::SetSashGravity(double gravity)
{
wxCHECK_RET( gravity >= 0. && gravity <= 1.,
- _T("invalid gravity value") );
+ wxT("invalid gravity value") );
m_sashGravity = gravity;
}
-bool wxSplitterWindow::SashHitTest(int x, int y, int tolerance)
+bool wxSplitterWindow::SashHitTest(int x, int y)
{
if ( m_windowTwo == NULL || m_sashPosition == 0)
return false; // No sash
int z = m_splitMode == wxSPLIT_VERTICAL ? x : y;
- int hitMin = m_sashPosition - tolerance;
- int hitMax = m_sashPosition + GetSashSize() + tolerance;
+ int hitMax = m_sashPosition + GetSashSize() - 1;
- return z >= hitMin && z <= hitMax;
+ return z >= m_sashPosition && z <= hitMax;
+}
+
+void wxSplitterWindow::SetSashInvisible(bool invisible)
+{
+ if ( IsSashInvisible() != invisible )
+ ToggleWindowStyle(wxSP_NOSASH);
}
int wxSplitterWindow::GetSashSize() const
{
- return m_sashSize > -1 ? m_sashSize : wxRendererNative::Get().GetSplitterParams(this).widthSash;
+ return IsSashInvisible() ? 0 : GetDefaultSashSize();
+}
+
+int wxSplitterWindow::GetDefaultSashSize() const
+{
+ return wxRendererNative::Get().GetSplitterParams(this).widthSash;
}
int wxSplitterWindow::GetBorderSize() const
return;
// nor if we're configured to not show it
- if ( HasFlag(wxSP_NOSASH) )
+ if ( IsSashInvisible() )
return;
wxRendererNative::Get().DrawSplitterSash
if ( m_splitMode == wxSPLIT_VERTICAL )
{
- x1 = x; y1 = 2;
- x2 = x; y2 = h-2;
-
- if ( x1 > w )
- {
- x1 = w; x2 = w;
- }
- else if ( x1 < 0 )
- {
- x1 = 0; x2 = 0;
- }
+ x1 = x2 = wxClip(x, 0, w) + m_sashTrackerPen->GetWidth()/2;
+ y1 = 2;
+ y2 = h-2;
}
else
{
- x1 = 2; y1 = y;
- x2 = w-2; y2 = y;
-
- if ( y1 > h )
- {
- y1 = h;
- y2 = h;
- }
- else if ( y1 < 0 )
- {
- y1 = 0;
- y2 = 0;
- }
+ y1 = y2 = wxClip(y, 0, h) + m_sashTrackerPen->GetWidth()/2;
+ x1 = 2;
+ x2 = w-2;
}
ClientToScreen(&x1, &y1);
minSize = m_minimumPaneSize;
int maxSize = GetWindowSize() - minSize - GetBorderSize() - GetSashSize();
- if ( maxSize > 0 && sashPos > maxSize )
+ if ( maxSize > 0 && sashPos > maxSize && maxSize >= m_minimumPaneSize)
sashPos = maxSize;
}
// must generate a CHANGED event at the end of resizing
DoSetSashPosition(sashPos);
- wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED, this);
+ wxSplitterEvent event(wxEVT_SPLITTER_SASH_POS_CHANGED, this);
event.m_data.pos = m_sashPosition;
(void)DoSendEvent(event);
void wxSplitterWindow::SizeWindows()
{
// check if we have delayed setting the real sash position
- if ( m_checkRequestedSashPosition && m_requestedSashPosition != INT_MAX )
+ if ( m_requestedSashPosition != INT_MAX )
{
int newSashPosition = ConvertSashPosition(m_requestedSashPosition);
if ( newSashPosition != m_sashPosition )
wxClientDC dc(this);
DrawSash(dc);
-
- SetNeedUpdating(false);
}
// Set pane for unsplit window
void wxSplitterWindow::Initialize(wxWindow *window)
{
wxASSERT_MSG( (!window || window->GetParent() == this),
- _T("windows in the splitter should have it as parent!") );
+ wxT("windows in the splitter should have it as parent!") );
if (window && !window->IsShown())
window->Show();
return false;
wxCHECK_MSG( window1 && window2, false,
- _T("can not split with NULL window(s)") );
+ wxT("cannot split with NULL window(s)") );
wxCHECK_MSG( window1->GetParent() == this && window2->GetParent() == this, false,
- _T("windows in the splitter should have it as parent!") );
+ wxT("windows in the splitter should have it as parent!") );
if (! window1->IsShown())
window1->Show();
m_windowOne = window1;
m_windowTwo = window2;
- // remember the sash position we want to set for later if we can't set it
- // right now (e.g. because the window is too small)
- m_requestedSashPosition = sashPosition;
- m_checkRequestedSashPosition = false;
-
- DoSetSashPosition(ConvertSashPosition(sashPosition));
-
- SizeWindows();
+ SetSashPosition(sashPosition, true);
return true;
}
// remember the sash position we want to set for later if we can't set it
// right now (e.g. because the window is too small)
m_requestedSashPosition = position;
- m_checkRequestedSashPosition = false;
DoSetSashPosition(ConvertSashPosition(position));
// window is shown, if you know the overall size is correct.
void wxSplitterWindow::UpdateSize()
{
- m_checkRequestedSashPosition = true;
SizeWindows();
- m_checkRequestedSashPosition = false;
}
bool wxSplitterWindow::DoSendEvent(wxSplitterEvent& event)
pSash = &sizeBest.y;
}
- // account for the border and the sash
+ // account for the sash if the window is actually split
+ if ( m_windowOne && m_windowTwo )
+ *pSash += GetSashSize();
+
+ // account for the border too
int border = 2*GetBorderSize();
- *pSash += GetSashSize();
sizeBest.x += border;
sizeBest.y += border;
{
// If resultant pane would be too small, enlarge it
newSashPosition = AdjustSashPosition(newSashPosition);
- }
- // If the result is out of bounds it means minimum size is too big,
- // so split window in half as best compromise.
- if ( newSashPosition < 0 || newSashPosition > window_size )
- newSashPosition = window_size / 2;
+ // If the result is out of bounds it means minimum size is too big,
+ // so split window in half as best compromise.
+ if ( newSashPosition < 0 || newSashPosition > window_size )
+ newSashPosition = window_size / 2;
+ }
// now let the event handler have it
//
// FIXME: shouldn't we do it before the adjustments above so as to ensure
// that the sash position is always reasonable?
- wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGING, this);
+ wxSplitterEvent event(wxEVT_SPLITTER_SASH_POS_CHANGING, this);
event.m_data.pos = newSashPosition;
if ( !DoSendEvent(event) )
wxCHECK_RET(m_windowTwo, wxT("splitter: no window to remove"));
// new code should handle events instead of using the virtual functions
- wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_DOUBLECLICKED, this);
+ wxSplitterEvent event(wxEVT_SPLITTER_DOUBLECLICKED, this);
event.m_data.pt.x = x;
event.m_data.pt.y = y;
if ( DoSendEvent(event) )
wxWindow* win = m_windowTwo;
if ( Unsplit(win) )
{
- wxSplitterEvent unsplitEvent(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
+ wxSplitterEvent unsplitEvent(wxEVT_SPLITTER_UNSPLIT, this);
unsplitEvent.m_data.win = win;
(void)DoSendEvent(unsplitEvent);
}
// and like this we explicitly say that our cursor should not be used for
// children windows which overlap us
- if ( SashHitTest(event.GetX(), event.GetY(), 0) )
+ if ( SashHitTest(event.GetX(), event.GetY()) )
{
// default processing is ok
event.Skip();
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