X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/066f1b7a9580fc6c487efa753d61e3683de61407..a0e3430a7943d13cbb03f103366db2caa13d9b07:/src/generic/splitter.cpp?ds=sidebyside diff --git a/src/generic/splitter.cpp b/src/generic/splitter.cpp index 46e4c888f5..1db5638513 100644 --- a/src/generic/splitter.cpp +++ b/src/generic/splitter.cpp @@ -9,24 +9,23 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ - #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" @@ -38,24 +37,22 @@ #include "wx/renderer.h" -#include "wx/splitter.h" - #include -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) /* - 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) @@ -64,15 +61,25 @@ BEGIN_EVENT_TABLE(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, @@ -83,42 +90,44 @@ bool wxSplitterWindow::Create(wxWindow *parent, wxWindowID id, // 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; - - // 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_lastSize = GetClientSize(); m_permitUnsplitAlways = (style & wxSP_PERMIT_UNSPLIT) != 0; - return TRUE; + // 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_permitUnsplitAlways = true; + m_windowOne = NULL; + m_windowTwo = 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_lastSize = wxSize(0,0); 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_needUpdating = false; m_isHot = false; } @@ -170,6 +179,12 @@ void wxSplitterWindow::SetResizeCursor() 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); } @@ -177,9 +192,22 @@ void wxSplitterWindow::OnPaint(wxPaintEvent& WXUNUSED(event)) void wxSplitterWindow::OnInternalIdle() { wxWindow::OnInternalIdle(); - - if (m_needUpdating) - SizeWindows(); + + // 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_needUpdating = false; + } + else if ( m_requestedSashPosition == INT_MAX ) + { + // We don't need to resize the children. + return; + } + + SizeWindows(); } void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event) @@ -187,14 +215,13 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event) 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()) { @@ -202,7 +229,7 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event) { // Start the drag now m_dragMode = wxSPLIT_DRAG_DRAGGING; - + // Capture mouse and set the cursor CaptureMouse(); SetResizeCursor(); @@ -213,13 +240,13 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event) // 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; } } @@ -227,7 +254,7 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event) { // 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); @@ -247,10 +274,9 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event) // 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 @@ -265,22 +291,22 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event) // 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 @@ -304,69 +330,80 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event) } 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 { - SetSashPositionAndNotify(posSashNew); - m_needUpdating = TRUE; + 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 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) @@ -374,13 +411,8 @@ void wxSplitterWindow::OnSize(wxSizeEvent& event) // 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 ) @@ -391,41 +423,90 @@ void wxSplitterWindow::OnSize(wxSizeEvent& event) { wxFAIL_MSG(wxT("should have a top level parent!")); - iconized = FALSE; + iconized = false; } if ( iconized ) { + m_lastSize = wxSize(0,0); + event.Skip(); return; } - if ( m_windowTwo ) + const wxSize curSize = event.GetSize(); + + // 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 w, h; - GetClientSize(&w, &h); + int size = m_splitMode == wxSPLIT_VERTICAL ? curSize.x : curSize.y; + + int old_size = m_splitMode == wxSPLIT_VERTICAL ? m_lastSize.x : m_lastSize.y; + + // Don't do anything if the size didn't really change. + if ( size != old_size ) + { + int newPosition = -1; - int size = m_splitMode == wxSPLIT_VERTICAL ? w : h; - if ( m_sashPosition >= size - 5 ) - SetSashPositionAndNotify(wxMax(10, size - 40)); + // Apply gravity if we use it. + int delta = (int) ( (size - old_size)*m_sashGravity ); + if ( delta != 0 ) + { + newPosition = m_sashPosition + delta; + if( newPosition < m_minimumPaneSize ) + newPosition = m_minimumPaneSize; + } + + // 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(); } -bool wxSplitterWindow::SashHitTest(int x, int y, int tolerance) +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) { if ( m_windowTwo == NULL || m_sashPosition == 0) - return FALSE; // No sash + return false; // No sash int z = m_splitMode == wxSPLIT_VERTICAL ? x : y; + int hitMax = m_sashPosition + GetSashSize() - 1; - return z >= m_sashPosition - tolerance && - z <= m_sashPosition + GetSashSize() + tolerance; + return z >= m_sashPosition && z <= hitMax; +} + +void wxSplitterWindow::SetSashInvisible(bool invisible) +{ + if ( IsSashInvisible() != invisible ) + ToggleWindowStyle(wxSP_NOSASH); } int wxSplitterWindow::GetSashSize() const +{ + return IsSashInvisible() ? 0 : GetDefaultSashSize(); +} + +int wxSplitterWindow::GetDefaultSashSize() const { return wxRendererNative::Get().GetSplitterParams(this).widthSash; } @@ -451,7 +532,7 @@ void wxSplitterWindow::DrawSash(wxDC& dc) return; // nor if we're configured to not show it - if ( HasFlag(wxSP_NOSASH) ) + if ( IsSashInvisible() ) return; wxRendererNative::Get().DrawSplitterSash @@ -462,7 +543,7 @@ void wxSplitterWindow::DrawSash(wxDC& dc) m_sashPosition, m_splitMode == wxSPLIT_VERTICAL ? wxVERTICAL : wxHORIZONTAL, - m_isHot ? wxCONTROL_CURRENT : 0 + m_isHot ? (int)wxCONTROL_CURRENT : 0 ); } @@ -478,33 +559,15 @@ void wxSplitterWindow::DrawSashTracker(int x, int y) 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); @@ -528,8 +591,6 @@ int wxSplitterWindow::GetWindowSize() const int wxSplitterWindow::AdjustSashPosition(int sashPos) const { - int window_size = GetWindowSize(); - wxWindow *win; win = GetWindow1(); @@ -558,8 +619,8 @@ int wxSplitterWindow::AdjustSashPosition(int sashPos) const 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; } @@ -571,22 +632,30 @@ bool wxSplitterWindow::DoSetSashPosition(int sashPos) int newSashPosition = AdjustSashPosition(sashPos); if ( newSashPosition == m_sashPosition ) - return FALSE; + return false; m_sashPosition = newSashPosition; - return TRUE; + return true; } 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. @@ -632,71 +701,79 @@ void wxSplitterWindow::SizeWindows() { 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); 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!") ); + 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); } // 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, + wxT("cannot split with NULL window(s)") ); - wxCHECK_MSG( window1 && window2, FALSE, - _T("can not split with NULL window(s)") ); + wxCHECK_MSG( window1->GetParent() == this && window2->GetParent() == this, false, + wxT("windows in the splitter should have it as parent!") ); - wxCHECK_MSG( window1->GetParent() == this && window2->GetParent() == this, FALSE, - _T("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; - - DoSetSashPosition(ConvertSashPosition(sashPosition)); - - SizeWindows(); - return TRUE; + SetSashPosition(sashPosition, true); + return true; } int wxSplitterWindow::ConvertSashPosition(int sashPosition) const @@ -722,39 +799,39 @@ 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 ; - 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 { 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 ) { @@ -768,23 +845,28 @@ bool wxSplitterWindow::ReplaceWindow(wxWindow *winOld, wxWindow *winNew) { 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; + + DoSetSashPosition(ConvertSashPosition(position)); if ( redraw ) { @@ -792,11 +874,62 @@ void wxSplitterWindow::SetSashPosition(int position, bool 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() +{ + SizeWindows(); +} + bool wxSplitterWindow::DoSendEvent(wxSplitterEvent& event) { 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 // --------------------------------------------------------------------------- @@ -804,7 +937,7 @@ bool wxSplitterWindow::DoSendEvent(wxSplitterEvent& event) bool wxSplitterWindow::OnSashPositionChange(int WXUNUSED(newSashPosition)) { // always allow by default - return TRUE; + return true; } int wxSplitterWindow::OnSashPositionChanging(int newSashPosition) @@ -822,7 +955,7 @@ 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 @@ -830,13 +963,13 @@ int wxSplitterWindow::OnSashPositionChanging(int newSashPosition) { // 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; } } @@ -844,12 +977,12 @@ int wxSplitterWindow::OnSashPositionChanging(int newSashPosition) { // 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 // @@ -901,7 +1034,7 @@ void wxSplitterWindow::OnDoubleClickSash(int x, int y) 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__)