// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "splitter.h"
#endif
IMPLEMENT_DYNAMIC_CLASS(wxSplitterWindow, wxWindow)
/*
- TODO PROPERTIES
- style wxSP_3D
- sashpos (long , 0 )
- minsize (long -1 )
- object, object_ref
- orientation
+ TODO PROPERTIES
+ style wxSP_3D
+ sashpos (long , 0 )
+ minsize (long -1 )
+ object, object_ref
+ orientation
*/
IMPLEMENT_DYNAMIC_CLASS(wxSplitterEvent, wxNotifyEvent)
style &= ~wxBORDER_MASK;
style |= wxBORDER_NONE;
- // we don't need to be completely repainted after resize and doing it
- // results in horrible flicker
- style |= wxNO_FULL_REPAINT_ON_RESIZE;
-
if ( !wxWindow::Create(parent, id, pos, size, style, name) )
- return FALSE;
+ return false;
m_permitUnsplitAlways = (style & wxSP_PERMIT_UNSPLIT) != 0;
- return TRUE;
+ return true;
}
void wxSplitterWindow::Init()
m_container.SetContainerWindow(this);
m_splitMode = wxSPLIT_VERTICAL;
- m_permitUnsplitAlways = TRUE;
+ m_permitUnsplitAlways = true;
m_windowOne = (wxWindow *) NULL;
m_windowTwo = (wxWindow *) NULL;
m_dragMode = wxSPLIT_DRAG_NONE;
m_firstX = 0;
m_firstY = 0;
m_sashPosition = m_requestedSashPosition = 0;
+ m_checkRequestedSashPosition = false;
m_minimumPaneSize = 0;
m_sashCursorWE = wxCursor(wxCURSOR_SIZEWE);
m_sashCursorNS = wxCursor(wxCURSOR_SIZENS);
m_sashTrackerPen = new wxPen(*wxBLACK, 2, wxSOLID);
- m_needUpdating = FALSE;
+ m_needUpdating = false;
m_isHot = false;
}
void wxSplitterWindow::OnInternalIdle()
{
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)
+ {
+ m_checkRequestedSashPosition = true;
+ SizeWindows();
+ return; // it won't needUpdating in this case
+ }
+
if (m_needUpdating)
SizeWindows();
}
{
// Start the drag now
m_dragMode = wxSPLIT_DRAG_DRAGGING;
-
+
// Capture mouse and set the cursor
CaptureMouse();
SetResizeCursor();
{
// 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);
else
{
SetSashPositionAndNotify(posSashNew);
- m_needUpdating = TRUE;
+ m_needUpdating = true;
}
}
else if ( event.LeftDClick() && m_windowTwo )
// only process this message if we're not iconized - otherwise iconizing
// and restoring a window containing the splitter has a funny side effect
// of changing the splitter position!
- wxWindow *parent = GetParent();
- while ( parent && !parent->IsTopLevel() )
- {
- parent = parent->GetParent();
- }
-
- bool iconized = FALSE;
+ wxWindow *parent = wxGetTopLevelParent(this);
+ bool iconized;
wxTopLevelWindow *winTop = wxDynamicCast(parent, wxTopLevelWindow);
if ( winTop )
{
wxFAIL_MSG(wxT("should have a top level parent!"));
- iconized = FALSE;
+ iconized = false;
}
if ( iconized )
bool wxSplitterWindow::SashHitTest(int x, int y, int tolerance)
{
if ( m_windowTwo == NULL || m_sashPosition == 0)
- return FALSE; // No sash
+ return false; // No sash
int z = m_splitMode == wxSPLIT_VERTICAL ? x : y;
+ int hitMin = m_sashPosition - tolerance;
+ int hitMax = m_sashPosition + GetSashSize() + tolerance;
- return z >= m_sashPosition - tolerance &&
- z <= m_sashPosition + GetSashSize() + tolerance;
+ return z >= hitMin && z <= hitMax;
}
int wxSplitterWindow::GetSashSize() const
int newSashPosition = AdjustSashPosition(sashPos);
if ( newSashPosition == m_sashPosition )
- return FALSE;
+ return false;
m_sashPosition = newSashPosition;
- return TRUE;
+ return true;
}
void wxSplitterWindow::SetSashPositionAndNotify(int sashPos)
{
+ // we must reset the request here, otherwise the sash would be stuck at
+ // old position if the user attempted to move the sash after invalid
+ // (e.g. smaller than minsize) sash position was requested using
+ // SetSashPosition():
+ m_requestedSashPosition = INT_MAX;
+
if ( DoSetSashPosition(sashPos) )
{
wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED, this);
void wxSplitterWindow::SizeWindows()
{
// check if we have delayed setting the real sash position
- if ( m_requestedSashPosition != INT_MAX )
+ if ( m_checkRequestedSashPosition && m_requestedSashPosition != INT_MAX )
{
int newSashPosition = ConvertSashPosition(m_requestedSashPosition);
if ( newSashPosition != m_sashPosition )
wxClientDC dc(this);
DrawSash(dc);
- SetNeedUpdating(FALSE);
+ SetNeedUpdating(false);
}
// Set pane for unsplit window
void wxSplitterWindow::Initialize(wxWindow *window)
{
- wxASSERT_MSG( window && window->GetParent() == this,
+ wxASSERT_MSG( (!window || (window && window->GetParent() == this)),
_T("windows in the splitter should have it as parent!") );
m_windowOne = window;
// Associates the given window with window 2, drawing the appropriate sash
// and changing the split mode.
-// Does nothing and returns FALSE if the window is already split.
+// Does nothing and returns false if the window is already split.
bool wxSplitterWindow::DoSplit(wxSplitMode mode,
wxWindow *window1, wxWindow *window2,
int sashPosition)
{
if ( IsSplit() )
- return FALSE;
+ return false;
- wxCHECK_MSG( window1 && window2, FALSE,
+ wxCHECK_MSG( window1 && window2, false,
_T("can not split with NULL window(s)") );
- wxCHECK_MSG( window1->GetParent() == this && window2->GetParent() == this, FALSE,
+ wxCHECK_MSG( window1->GetParent() == this && window2->GetParent() == this, false,
_T("windows in the splitter should have it as parent!") );
m_splitMode = mode;
// 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();
- return TRUE;
+ return true;
}
int wxSplitterWindow::ConvertSashPosition(int sashPosition) const
bool wxSplitterWindow::Unsplit(wxWindow *toRemove)
{
if ( ! IsSplit() )
- return FALSE;
+ return false;
- wxWindow *win = NULL;
+ wxWindow *win;
if ( toRemove == NULL || toRemove == m_windowTwo)
{
win = m_windowTwo ;
{
wxFAIL_MSG(wxT("splitter: attempt to remove a non-existent window"));
- return FALSE;
+ return false;
}
OnUnsplit(win);
DoSetSashPosition(0);
SizeWindows();
- return TRUE;
+ return true;
}
// Replace a window with another one
bool wxSplitterWindow::ReplaceWindow(wxWindow *winOld, wxWindow *winNew)
{
- wxCHECK_MSG( winOld, FALSE, wxT("use one of Split() functions instead") );
- wxCHECK_MSG( winNew, FALSE, wxT("use Unsplit() functions instead") );
+ wxCHECK_MSG( winOld, false, wxT("use one of Split() functions instead") );
+ wxCHECK_MSG( winNew, false, wxT("use Unsplit() functions instead") );
if ( winOld == m_windowTwo )
{
{
wxFAIL_MSG(wxT("splitter: attempt to replace a non-existent window"));
- return FALSE;
+ return false;
}
SizeWindows();
- return TRUE;
+ return true;
}
void wxSplitterWindow::SetMinimumPaneSize(int min)
{
m_minimumPaneSize = min;
- SetSashPosition(m_sashPosition); // re-check limits
+ int pos = m_requestedSashPosition != INT_MAX ? m_requestedSashPosition : m_sashPosition;
+ SetSashPosition(pos); // re-check limits
}
void wxSplitterWindow::SetSashPosition(int position, bool redraw)
{
- DoSetSashPosition(position);
+ // 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));
if ( redraw )
{
}
}
+// Make sure the child window sizes are updated. This is useful
+// for reducing flicker by updating the sizes before a
+// 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)
{
return !GetEventHandler()->ProcessEvent(event) || event.IsAllowed();
bool wxSplitterWindow::OnSashPositionChange(int WXUNUSED(newSashPosition))
{
// always allow by default
- return TRUE;
+ return true;
}
int wxSplitterWindow::OnSashPositionChanging(int newSashPosition)
// Obtain relevant window dimension for bottom / right threshold check
int window_size = GetWindowSize();
- bool unsplit_scenario = FALSE;
+ bool unsplit_scenario = false;
if ( m_permitUnsplitAlways || m_minimumPaneSize == 0 )
{
// Do edge detection if unsplit premitted
{
// threshold top / left check
newSashPosition = 0;
- unsplit_scenario = TRUE;
+ unsplit_scenario = true;
}
if ( newSashPosition >= window_size - UNSPLIT_THRESHOLD )
{
// threshold bottom/right check
newSashPosition = window_size;
- unsplit_scenario = TRUE;
+ unsplit_scenario = true;
}
}
void wxSplitterWindow::OnUnsplit(wxWindow *winRemoved)
{
// call this before calling the event handler which may delete the window
- winRemoved->Show(FALSE);
+ winRemoved->Show(false);
}
#if defined( __WXMSW__ ) || defined( __WXMAC__)
// 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()) )
+ if ( SashHitTest(event.GetX(), event.GetY(), 0) )
{
// default processing is ok
event.Skip();
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