// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "splitter.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
-#if wxUSE_SPLITTER
-
#ifdef __BORLANDC__
#pragma hdrstop
#endif
+#if wxUSE_SPLITTER
+
+#include "wx/splitter.h"
+
#ifndef WX_PRECOMP
#include "wx/string.h"
#include "wx/utils.h"
#include "wx/log.h"
+ #include "wx/dcclient.h"
#include "wx/dcscreen.h"
#include "wx/window.h"
#include "wx/renderer.h"
-#include "wx/splitter.h"
-
#include <stdlib.h>
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGING)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPLITTER_DOUBLECLICKED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPLITTER_UNSPLIT)
+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 );
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);
+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;
-
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_permitUnsplitAlways = (style & wxSP_PERMIT_UNSPLIT) != 0;
+ // FIXME: with this line the background is not erased at all under GTK1,
+ // so temporary avoid it there
+#if !defined(__WXGTK__) || defined(__WXGTK20__)
+ // don't erase the splitter background, it's pointless as we overwrite it
+ // anyhow
+ SetBackgroundStyle(wxBG_STYLE_CUSTOM);
+#endif
+
return true;
}
void wxSplitterWindow::Init()
{
- m_container.SetContainerWindow(this);
-
m_splitMode = wxSPLIT_VERTICAL;
m_permitUnsplitAlways = true;
- m_windowOne = (wxWindow *) NULL;
- m_windowTwo = (wxWindow *) NULL;
+ m_windowOne = NULL;
+ m_windowTwo = NULL;
m_dragMode = wxSPLIT_DRAG_NONE;
m_oldX = 0;
m_oldY = 0;
- m_firstX = 0;
- m_firstY = 0;
+ m_sashStart = 0;
m_sashPosition = m_requestedSashPosition = 0;
+ m_sashGravity = 0.0;
+ m_lastSize = wxSize(0,0);
m_checkRequestedSashPosition = false;
m_minimumPaneSize = 0;
m_sashCursorWE = wxCursor(wxCURSOR_SIZEWE);
m_sashCursorNS = wxCursor(wxCURSOR_SIZENS);
- m_sashTrackerPen = new wxPen(*wxBLACK, 2, wxSOLID);
+ m_sashTrackerPen = new wxPen(*wxBLACK, 2, wxPENSTYLE_SOLID);
m_needUpdating = false;
m_isHot = false;
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);
}
int x = (int)event.GetX(),
y = (int)event.GetY();
- if (GetWindowStyle() & wxSP_NOSASH)
+ if ( GetWindowStyle() & wxSP_NOSASH )
+ {
+ event.Skip();
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
- bool isLive = (GetWindowStyleFlag() & wxSP_LIVE_UPDATE) != 0;
+ bool isLive = IsLive(this);
if (event.LeftDown())
{
// 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
// We remove the first window from the view
wxWindow *removedWindow = m_windowOne;
m_windowOne = m_windowTwo;
- m_windowTwo = (wxWindow *) NULL;
+ m_windowTwo = NULL;
OnUnsplit(removedWindow);
- wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
- event.m_data.win = removedWindow;
- (void)DoSendEvent(event);
+ wxSplitterEvent eventUnsplit(wxEVT_COMMAND_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 = (wxWindow *) NULL;
+ m_windowTwo = NULL;
OnUnsplit(removedWindow);
- wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
- event.m_data.win = removedWindow;
- (void)DoSendEvent(event);
+ wxSplitterEvent eventUnsplit(wxEVT_COMMAND_SPLITTER_UNSPLIT, this);
+ eventUnsplit.m_data.win = removedWindow;
+ (void)DoSendEvent(eventUnsplit);
SetSashPositionAndNotify(0);
}
else
}
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;
- // Remember old positions
- m_oldX = x;
- m_oldY = y;
+ // 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;
+ // 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
{
- SetSashPositionAndNotify(posSashNew);
+ 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;
}
}
{
OnDoubleClickSash(x, y);
}
+ else
+ {
+ event.Skip();
+ }
+}
+
+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)
if ( iconized )
{
+ m_lastSize = wxSize(0,0);
+
event.Skip();
return;
GetClientSize(&w, &h);
int size = m_splitMode == wxSPLIT_VERTICAL ? w : h;
+
+ int old_size = m_splitMode == wxSPLIT_VERTICAL ? m_lastSize.x : m_lastSize.y;
+ if ( old_size != 0 )
+ {
+ int delta = (int) ( (size - old_size)*m_sashGravity );
+ if ( delta != 0 )
+ {
+ int 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);
}
SizeWindows();
}
+void wxSplitterWindow::SetSashGravity(double gravity)
+{
+ wxCHECK_RET( gravity >= 0. && gravity <= 1.,
+ wxT("invalid gravity value") );
+
+ m_sashGravity = gravity;
+}
+
bool wxSplitterWindow::SashHitTest(int x, int y, int tolerance)
{
if ( m_windowTwo == NULL || m_sashPosition == 0)
m_sashPosition,
m_splitMode == wxSPLIT_VERTICAL ? wxVERTICAL
: wxHORIZONTAL,
- m_isHot ? wxCONTROL_CURRENT : 0
+ m_isHot ? (int)wxCONTROL_CURRENT : 0
);
}
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);
int wxSplitterWindow::AdjustSashPosition(int sashPos) const
{
- int window_size = GetWindowSize();
-
wxWindow *win;
win = GetWindow1();
if ( minSize == -1 || m_minimumPaneSize > minSize )
minSize = m_minimumPaneSize;
- int maxSize = window_size - minSize - GetBorderSize();
- if ( sashPos > maxSize )
+ int maxSize = GetWindowSize() - minSize - GetBorderSize() - GetSashSize();
+ if ( maxSize > 0 && sashPos > maxSize && maxSize >= m_minimumPaneSize)
sashPos = maxSize;
}
void wxSplitterWindow::SetSashPositionAndNotify(int sashPos)
{
- if ( DoSetSashPosition(sashPos) )
- {
- wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED, this);
- event.m_data.pos = m_sashPosition;
+ // 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;
- (void)DoSendEvent(event);
- }
+ // note that we must send the event in any case, i.e. even if the sash
+ // position hasn't changed and DoSetSashPosition() returns false because we
+ // must generate a CHANGED event at the end of resizing
+ DoSetSashPosition(sashPos);
+
+ wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED, this);
+ event.m_data.pos = m_sashPosition;
+
+ (void)DoSendEvent(event);
}
// Position and size subwindows.
{
w1 = size1;
w2 = w - 2*border - sash - w1;
- h1 =
+ if (w2 < 0)
+ w2 = 0;
h2 = h - 2*border;
+ if (h2 < 0)
+ h2 = 0;
+ h1 = h2;
x2 = size2;
y2 = border;
}
else // horz splitter
{
- w1 =
w2 = w - 2*border;
+ if (w2 < 0)
+ w2 = 0;
+ w1 = w2;
h1 = size1;
h2 = h - 2*border - sash - h1;
+ if (h2 < 0)
+ h2 = 0;
x2 = border;
y2 = size2;
}
- GetWindow1()->SetSize(border, border, w1, h1);
GetWindow2()->SetSize(x2, y2, w2, h2);
+ GetWindow1()->SetSize(border, border, w1, h1);
}
wxClientDC dc(this);
// Set pane for unsplit window
void wxSplitterWindow::Initialize(wxWindow *window)
{
- wxASSERT_MSG( (!window || (window && window->GetParent() == this)),
- _T("windows in the splitter should have it as parent!") );
+ wxASSERT_MSG( (!window || window->GetParent() == this),
+ wxT("windows in the splitter should have it as parent!") );
+
+ if (window && !window->IsShown())
+ window->Show();
m_windowOne = window;
- m_windowTwo = (wxWindow *) NULL;
+ m_windowTwo = NULL;
DoSetSashPosition(0);
}
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();
+ if (! window2->IsShown())
+ window2->Show();
m_splitMode = mode;
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;
}
if ( toRemove == NULL || toRemove == m_windowTwo)
{
win = m_windowTwo ;
- m_windowTwo = (wxWindow *) NULL;
+ m_windowTwo = NULL;
}
else if ( toRemove == m_windowOne )
{
win = m_windowOne ;
m_windowOne = m_windowTwo;
- m_windowTwo = (wxWindow *) NULL;
+ m_windowTwo = NULL;
}
else
{
return !GetEventHandler()->ProcessEvent(event) || event.IsAllowed();
}
+wxSize wxSplitterWindow::DoGetBestSize() const
+{
+ // get best sizes of subwindows
+ wxSize size1, size2;
+ if ( m_windowOne )
+ size1 = m_windowOne->GetEffectiveMinSize();
+ if ( m_windowTwo )
+ size2 = m_windowTwo->GetEffectiveMinSize();
+
+ // sum them
+ //
+ // pSash points to the size component to which sash size must be added
+ int *pSash;
+ wxSize sizeBest;
+ if ( m_splitMode == wxSPLIT_VERTICAL )
+ {
+ sizeBest.y = wxMax(size1.y, size2.y);
+ sizeBest.x = wxMax(size1.x, m_minimumPaneSize) +
+ wxMax(size2.x, m_minimumPaneSize);
+
+ pSash = &sizeBest.x;
+ }
+ else // wxSPLIT_HORIZONTAL
+ {
+ sizeBest.x = wxMax(size1.x, size2.x);
+ sizeBest.y = wxMax(size1.y, m_minimumPaneSize) +
+ wxMax(size2.y, m_minimumPaneSize);
+
+ pSash = &sizeBest.y;
+ }
+
+ // 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();
+ sizeBest.x += border;
+ sizeBest.y += border;
+
+ return sizeBest;
+}
+
// ---------------------------------------------------------------------------
// wxSplitterWindow virtual functions: they now just generate the events
// ---------------------------------------------------------------------------
{
// 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
//
projects / wxWidgets.git / blobdiff