#include "wx/wx.h"
#endif
-#include <math.h>
#include <stdlib.h>
#include "wx/string.h"
#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxSplitterWindow, wxWindow)
+IMPLEMENT_DYNAMIC_CLASS(wxSplitterEvent, wxCommandEvent)
BEGIN_EVENT_TABLE(wxSplitterWindow, wxWindow)
EVT_PAINT(wxSplitterWindow::OnPaint)
EVT_SIZE(wxSplitterWindow::OnSize)
EVT_MOUSE_EVENTS(wxSplitterWindow::OnMouseEvent)
+
+ EVT_SPLITTER_SASH_POS_CHANGED(-1, wxSplitterWindow::OnSashPosChanged)
+ // NB: we borrow OnSashPosChanged for purposes of
+ // EVT_SPLITTER_SASH_POS_CHANGING since default implementation is identical
+ EVT_SPLITTER_SASH_POS_CHANGING(-1, wxSplitterWindow::OnSashPosChanged)
+ EVT_SPLITTER_DCLICK(-1, wxSplitterWindow::OnDoubleClick)
+ EVT_SPLITTER_UNSPLIT(-1, wxSplitterWindow::OnUnsplitEvent)
END_EVENT_TABLE()
#endif
wxSplitterWindow::wxSplitterWindow()
{
m_splitMode = wxSPLIT_VERTICAL;
+ m_permitUnsplitAlways = FALSE;
m_windowOne = (wxWindow *) NULL;
m_windowTwo = (wxWindow *) NULL;
m_dragMode = wxSPLIT_DRAG_NONE;
: wxWindow(parent, id, pos, size, style, name)
{
m_splitMode = wxSPLIT_VERTICAL;
+ m_permitUnsplitAlways = (style & wxSP_PERMIT_UNSPLIT) != 0;
m_windowOne = (wxWindow *) NULL;
m_windowTwo = (wxWindow *) NULL;
m_dragMode = wxSPLIT_DRAG_NONE;
DrawSash(dc);
}
+
void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event)
{
- long x, y;
- event.Position(&x, &y);
+ long x = event.GetX();
+ long y = event.GetY();
// reset the cursor
+#ifdef __WXMOTIF__
+ SetCursor(* wxSTANDARD_CURSOR);
+#endif
+#ifdef __WXMSW__
SetCursor(wxCursor());
+#endif
+
+ // under wxGTK the method above causes the mouse
+ // to flicker so we set the standard cursor only
+ // when leaving the window and when moving over
+ // non-sash parts of the window. this should work
+ // on the other platforms as well, but who knows.
+#ifdef __WXGTK__
+ if (event.Leaving())
+ SetCursor(* wxSTANDARD_CURSOR);
+#endif
if (event.LeftDown())
{
// Erase old tracker
DrawSashTracker(m_oldX, m_oldY);
+ // Obtain window size. We are only interested in the dimension the sash
+ // splits up
int w, h;
GetClientSize(&w, &h);
- if ( m_splitMode == wxSPLIT_VERTICAL )
+ int window_size = (m_splitMode == wxSPLIT_VERTICAL ? w : h );
+ int new_sash_position =
+ (int) ( m_splitMode == wxSPLIT_VERTICAL ? x : y );
+
+ wxSplitterEvent eventSplitter(wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED,
+ this);
+ eventSplitter.m_data.pos = new_sash_position;
+ if ( GetEventHandler()->ProcessEvent(eventSplitter) )
{
- if ( !OnSashPositionChange(x) )
+ new_sash_position = eventSplitter.GetSashPosition();
+ if ( new_sash_position == -1 )
+ {
+ // change not allowed
return;
+ }
+ }
- if ( x <= 4 )
+ if ( m_permitUnsplitAlways
+ || m_minimumPaneSize == 0 )
+ {
+ // Deal with possible unsplit scenarios
+ if ( new_sash_position == 0 )
{
// We remove the first window from the view
wxWindow *removedWindow = m_windowOne;
m_windowOne = m_windowTwo;
m_windowTwo = (wxWindow *) NULL;
-
- OnUnsplit(removedWindow);
+ SendUnsplitEvent(removedWindow);
m_sashPosition = 0;
}
- else if ( x >= (w - 4) )
+ else if ( new_sash_position == window_size )
{
// We remove the second window from the view
wxWindow *removedWindow = m_windowTwo;
m_windowTwo = (wxWindow *) NULL;
- OnUnsplit(removedWindow);
+ SendUnsplitEvent(removedWindow);
m_sashPosition = 0;
}
else
{
- m_sashPosition = x;
+ m_sashPosition = new_sash_position;
}
}
- else // m_splitMode == wxSPLIT_VERTICAL
+ else
{
- if ( !OnSashPositionChange(y) )
- return;
-
- if ( y <= 4 )
- {
- // We remove the first window from the view
- wxWindow *removedWindow = m_windowOne;
- m_windowOne = m_windowTwo;
- m_windowTwo = (wxWindow *) NULL;
+ m_sashPosition = new_sash_position;
+ }
- OnUnsplit(removedWindow);
- m_sashPosition = 0;
- }
- else if ( y >= (h - 4) )
- {
- // We remove the second window from the view
- wxWindow *removedWindow = m_windowTwo;
- m_windowTwo = (wxWindow *) NULL;
- OnUnsplit(removedWindow);
- m_sashPosition = 0;
- }
- else
- {
- m_sashPosition = y;
- }
- } // m_splitMode == wxSPLIT_VERTICAL
SizeWindows();
} // left up && dragging
else if (event.Moving() && !event.Dragging())
SetCursor(*m_sashCursorNS);
}
}
+#ifdef __WXGTK__
+ else
+ {
+ // where else do we unset the cursor?
+ SetCursor(* wxSTANDARD_CURSOR);
+ }
+#endif // __WXGTK__
}
else if (event.Dragging() && (m_dragMode == wxSPLIT_DRAG_DRAGGING))
{
+ // Obtain window size. We are only interested in the dimension the sash
+ // splits up
+ int new_sash_position =
+ (int) ( m_splitMode == wxSPLIT_VERTICAL ? x : y );
+
+ wxSplitterEvent eventSplitter(wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGING,
+ this);
+ eventSplitter.m_data.pos = new_sash_position;
+ if ( GetEventHandler()->ProcessEvent(eventSplitter) )
+ {
+ new_sash_position = eventSplitter.GetSashPosition();
+ if ( new_sash_position == -1 )
+ {
+ // change not allowed
+ return;
+ }
+ }
+
// Erase old tracker
DrawSashTracker(m_oldX, m_oldY);
- // Draw new one
- DrawSashTracker(x, y);
+ if (m_splitMode == wxSPLIT_VERTICAL)
+ x = new_sash_position;
+ else
+ y = new_sash_position;
+
+ if (new_sash_position != -1)
+ {
+ // Only modify if permitted
+ 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__
- m_oldX = x;
- m_oldY = y;
+ // Draw new one
+ DrawSashTracker(m_oldX, m_oldY);
}
else if ( event.LeftDClick() )
{
- OnDoubleClickSash(x, y);
+ wxSplitterEvent eventSplitter(wxEVT_COMMAND_SPLITTER_DOUBLECLICKED,
+ this);
+ eventSplitter.m_data.pt.x = x;
+ eventSplitter.m_data.pt.y = y;
+
+ (void)GetEventHandler()->ProcessEvent(eventSplitter);
}
}
ClientToScreen(&x1, &y1);
ClientToScreen(&x2, &y2);
- screenDC.SetLogicalFunction(wxXOR);
+ screenDC.SetLogicalFunction(wxINVERT);
screenDC.SetPen(*m_sashTrackerPen);
screenDC.SetBrush(*wxTRANSPARENT_BRUSH);
if ( m_windowOne && !m_windowTwo )
{
m_windowOne->SetSize(m_borderSize, m_borderSize, w - 2*m_borderSize, h - 2*m_borderSize);
+
+ if (m_windowOne->GetAutoLayout())
+ m_windowOne->Layout();
}
else if ( m_windowOne && m_windowTwo )
{
m_windowOne->SetSize(x1, y1, w1, h1);
m_windowTwo->SetSize(x2, y2, w2, h2);
+
+ if (m_windowOne->GetAutoLayout())
+ m_windowOne->Layout();
+ if (m_windowTwo->GetAutoLayout())
+ m_windowTwo->Layout();
}
else
{
w - 2*m_borderSize, m_sashPosition - m_borderSize);
m_windowTwo->SetSize(m_borderSize, m_sashPosition + m_sashSize,
w - 2*m_borderSize, h - 2*m_borderSize - m_sashSize - (m_sashPosition - m_borderSize));
+
+ if (m_windowOne->GetAutoLayout())
+ m_windowOne->Layout();
+ if (m_windowTwo->GetAutoLayout())
+ m_windowTwo->Layout();
}
}
wxClientDC dc(this);
}
else
{
- wxFAIL_MSG("splitter: attempt to remove a non-existent window");
+ wxFAIL_MSG(_T("splitter: attempt to remove a non-existent window"));
return FALSE;
}
- OnUnsplit(win);
+ SendUnsplitEvent(win);
m_sashPosition = 0;
SizeWindows();
// Replace a window with another one
bool wxSplitterWindow::ReplaceWindow(wxWindow *winOld, wxWindow *winNew)
{
- wxCHECK_MSG( winOld, FALSE, "use one of Split() functions instead" );
- wxCHECK_MSG( winNew, FALSE, "use Unsplit() functions instead" );
+ wxCHECK_MSG( winOld, FALSE, _T("use one of Split() functions instead") );
+ wxCHECK_MSG( winNew, FALSE, _T("use Unsplit() functions instead") );
if ( winOld == m_windowTwo )
{
}
else
{
- wxFAIL_MSG("splitter: attempt to replace a non-existent window");
+ wxFAIL_MSG(_T("splitter: attempt to replace a non-existent window"));
return FALSE;
}
}
}
-bool wxSplitterWindow::OnSashPositionChange(int newSashPosition)
-{
- // is the left/upper pane too small?
- if ( newSashPosition < m_minimumPaneSize )
- return NULL;
-
- // is the right/lower pane too small?
- int w, h;
- GetClientSize(&w, &h);
-
- if ( m_splitMode == wxSPLIT_VERTICAL )
- {
- if ( w - newSashPosition < m_minimumPaneSize )
- return FALSE;
- }
- else // m_splitMode = wxSPLIT_HORIZONTAL
- {
- if ( h - newSashPosition < m_minimumPaneSize )
- return FALSE;
- }
-
- // it's ok to move sash
- return TRUE;
-}
-
-// Called when the sash is double-clicked.
-// The default behaviour is to remove the sash if the
-// minimum pane size is zero.
-void wxSplitterWindow::OnDoubleClickSash(int WXUNUSED(x), int WXUNUSED(y) )
-{
- if ( GetMinimumPaneSize() == 0 )
- {
- Unsplit();
- }
-}
-
// Initialize colours
void wxSplitterWindow::InitColours()
{
#endif // Win32/!Win32
}
+void wxSplitterWindow::SendUnsplitEvent(wxWindow *winRemoved)
+{
+ wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
+ event.m_data.win = winRemoved;
+
+ (void)GetEventHandler()->ProcessEvent(event);
+}
+
+// ---------------------------------------------------------------------------
+// splitter event handlers
+// ---------------------------------------------------------------------------
+
+void wxSplitterWindow::OnSashPosChanged(wxSplitterEvent& event)
+{
+ // If within UNSPLIT_THRESHOLD from edge, set to edge to cause closure.
+ const int UNSPLIT_THRESHOLD = 4;
+
+ int newSashPosition = event.GetSashPosition();
+
+ // Obtain relevant window dimension for bottom / right threshold check
+ int w, h;
+ GetClientSize(&w, &h);
+ int window_size = (m_splitMode == wxSPLIT_VERTICAL) ? w : h ;
+
+ bool unsplit_scenario = FALSE;
+ if ( m_permitUnsplitAlways
+ || m_minimumPaneSize == 0 )
+ {
+ // Do edge detection if unsplit premitted
+ if ( newSashPosition <= UNSPLIT_THRESHOLD )
+ {
+ // threshold top / left check
+ newSashPosition = 0;
+ unsplit_scenario = TRUE;
+ }
+ if ( newSashPosition >= window_size - UNSPLIT_THRESHOLD )
+ {
+ // threshold bottom/right check
+ newSashPosition = window_size;
+ unsplit_scenario = TRUE;
+ }
+ }
+
+ if ( !unsplit_scenario )
+ {
+ // If resultant pane would be too small, enlarge it
+ if ( newSashPosition < m_minimumPaneSize )
+ newSashPosition = m_minimumPaneSize;
+ if ( newSashPosition > window_size - m_minimumPaneSize )
+ newSashPosition = window_size - m_minimumPaneSize;
+ }
+
+ // 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;
+
+ // for compatibility, call the virtual function
+ if ( !OnSashPositionChange(newSashPosition) )
+ {
+ newSashPosition = -1;
+ }
+
+ event.SetSashPosition(newSashPosition);
+}
+
+// Called when the sash is double-clicked. The default behaviour is to remove
+// the sash if the minimum pane size is zero.
+void wxSplitterWindow::OnDoubleClick(wxSplitterEvent& event)
+{
+ // for compatibility, call the virtual function
+ OnDoubleClickSash(event.GetX(), event.GetY());
+
+ if ( GetMinimumPaneSize() == 0
+ || m_permitUnsplitAlways)
+ {
+ Unsplit();
+ }
+}
+
+void wxSplitterWindow::OnUnsplitEvent(wxSplitterEvent& event)
+{
+ wxWindow *win = event.GetWindowBeingRemoved();
+
+ // for compatibility, call the virtual function
+ OnUnsplit(win);
+
+ win->Show(FALSE);
+}
projects / wxWidgets.git / blobdiff