X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/00a32dc1fb3c436c02f7c75573ed5fe4630fe178..41b78190adf985fa6e91a34aba76b1693a8ffc72:/src/generic/splitter.cpp diff --git a/src/generic/splitter.cpp b/src/generic/splitter.cpp index 6ff6aa9b62..1e51050540 100644 --- a/src/generic/splitter.cpp +++ b/src/generic/splitter.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: splitter.cpp +// Name: src/generic/splitter.cpp // Purpose: wxSplitterWindow implementation // Author: Julian Smart // Modified by: // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ @@ -21,18 +21,22 @@ #endif #ifndef WX_PRECOMP + #include "wx/string.h" + #include "wx/utils.h" + #include "wx/log.h" + + #include "wx/dcscreen.h" + #include "wx/window.h" #include "wx/dialog.h" #include "wx/frame.h" -#endif -#include + #include "wx/settings.h" +#endif -#include "wx/string.h" #include "wx/splitter.h" -#include "wx/dcscreen.h" -#include "wx/settings.h" -#include "wx/log.h" + +#include DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGED) DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPLITTER_SASH_POS_CHANGING) @@ -40,7 +44,7 @@ DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPLITTER_DOUBLECLICKED) DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPLITTER_UNSPLIT) IMPLEMENT_DYNAMIC_CLASS(wxSplitterWindow, wxWindow) -IMPLEMENT_DYNAMIC_CLASS(wxSplitterEvent, wxCommandEvent) +IMPLEMENT_DYNAMIC_CLASS(wxSplitterEvent, wxNotifyEvent) BEGIN_EVENT_TABLE(wxSplitterWindow, wxWindow) EVT_PAINT(wxSplitterWindow::OnPaint) @@ -48,22 +52,24 @@ BEGIN_EVENT_TABLE(wxSplitterWindow, wxWindow) EVT_IDLE(wxSplitterWindow::OnIdle) EVT_MOUSE_EVENTS(wxSplitterWindow::OnMouseEvent) +#if defined( __WXMSW__ ) || defined( __WXMAC__) EVT_SET_CURSOR(wxSplitterWindow::OnSetCursor) +#endif // wxMSW - 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) + WX_EVENT_TABLE_CONTROL_CONTAINER(wxSplitterWindow) END_EVENT_TABLE() +WX_DELEGATE_TO_CONTROL_CONTAINER(wxSplitterWindow); + bool wxSplitterWindow::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style, const wxString& name) { + // allow TABbing from one window to the other + style |= wxTAB_TRAVERSAL; + if (!wxWindow::Create(parent, id, pos, size, style, name)) return FALSE; @@ -81,11 +87,20 @@ bool wxSplitterWindow::Create(wxWindow *parent, wxWindowID id, else m_borderSize = 0; +#ifdef __WXMAC__ + int major,minor; + wxGetOsVersion( &major, &minor ); + if (major >= 10) + m_windowStyle |= wxSP_SASH_AQUA; +#endif + return TRUE; } void wxSplitterWindow::Init() { + m_container.SetContainerWindow(this); + m_splitMode = wxSPLIT_VERTICAL; m_permitUnsplitAlways = TRUE; m_windowOne = (wxWindow *) NULL; @@ -95,12 +110,12 @@ void wxSplitterWindow::Init() m_oldY = 0; m_firstX = 0; m_firstY = 0; - m_sashSize = 7; - m_borderSize = 2; - m_sashPosition = 0; + m_sashSize = 3; + m_borderSize = 0; + m_sashPosition = m_requestedSashPosition = 0; m_minimumPaneSize = 0; - m_sashCursorWE = new wxCursor(wxCURSOR_SIZEWE); - m_sashCursorNS = new wxCursor(wxCURSOR_SIZENS); + m_sashCursorWE = wxCursor(wxCURSOR_SIZEWE); + m_sashCursorNS = wxCursor(wxCURSOR_SIZENS); m_sashTrackerPen = new wxPen(*wxBLACK, 2, wxSOLID); m_lightShadowPen = (wxPen *) NULL; m_mediumShadowPen = (wxPen *) NULL; @@ -109,9 +124,6 @@ void wxSplitterWindow::Init() m_facePen = (wxPen *) NULL; m_hilightPen = (wxPen *) NULL; - m_borderSize = 0; - m_sashSize = 3; - InitColours(); m_needUpdating = FALSE; @@ -119,8 +131,6 @@ void wxSplitterWindow::Init() wxSplitterWindow::~wxSplitterWindow() { - delete m_sashCursorWE; - delete m_sashCursorNS; delete m_sashTrackerPen; delete m_lightShadowPen; delete m_darkShadowPen; @@ -130,6 +140,12 @@ wxSplitterWindow::~wxSplitterWindow() delete m_faceBrush; } +void wxSplitterWindow::SetResizeCursor() +{ + SetCursor(m_splitMode == wxSPLIT_VERTICAL ? m_sashCursorWE + : m_sashCursorNS); +} + void wxSplitterWindow::OnPaint(wxPaintEvent& WXUNUSED(event)) { wxPaintDC dc(this); @@ -149,44 +165,46 @@ void wxSplitterWindow::OnIdle(wxIdleEvent& event) void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event) { - wxCoord x = (wxCoord)event.GetX(), - y = (wxCoord)event.GetY(); + int x = (int)event.GetX(), + y = (int)event.GetY(); - // reset the cursor -#ifdef __WXMOTIF__ - SetCursor(* wxSTANDARD_CURSOR); -#endif -#ifdef __WXMSW__ - SetCursor(wxCursor()); +#if defined(__WXMSW__) + // SetCursor(wxCursor()); // Is this required? #endif if (GetWindowStyle() & wxSP_NOSASH) 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; + if (event.LeftDown()) { if ( SashHitTest(x, y) ) { - CaptureMouse(); - + // Start the drag now m_dragMode = wxSPLIT_DRAG_DRAGGING; + + // Capture mouse and set the cursor + CaptureMouse(); + SetResizeCursor(); - if ((GetWindowStyleFlag() & wxSP_LIVE_UPDATE) == 0) + if ( !isLive ) { + // remember the initial sash position and draw the initial + // shadow sash + m_sashPositionCurrent = m_sashPosition; + DrawSashTracker(x, y); } m_oldX = x; m_oldY = y; - if ( m_splitMode == wxSPLIT_VERTICAL ) - { - SetCursor(*m_sashCursorWE); - } - else - { - SetCursor(*m_sashCursorNS); - } + SetResizeCursor(); return; } } @@ -194,140 +212,106 @@ 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); + + // exit if unsplit after doubleclick + if ( !IsSplit() ) + { + return; + } // Erase old tracker - if ((GetWindowStyleFlag() & wxSP_LIVE_UPDATE) == 0) + if ( !isLive ) { 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); - 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) ) + // 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 posSashOld = isLive ? m_sashPosition : m_sashPositionCurrent; + int posSashNew = OnSashPositionChanging(posSashOld + diff); + if ( posSashNew == -1 ) { - new_sash_position = eventSplitter.GetSashPosition(); - if ( new_sash_position == -1 ) - { - // change not allowed - return; - } + // change not allowed + return; } if ( m_permitUnsplitAlways || m_minimumPaneSize == 0 ) { // Deal with possible unsplit scenarios - if ( new_sash_position == 0 ) + if ( posSashNew == 0 ) { // We remove the first window from the view wxWindow *removedWindow = m_windowOne; m_windowOne = m_windowTwo; m_windowTwo = (wxWindow *) NULL; - SendUnsplitEvent(removedWindow); - m_sashPosition = 0; + OnUnsplit(removedWindow); + SetSashPositionAndNotify(0); } - else if ( new_sash_position == window_size ) + else if ( posSashNew == GetWindowSize() ) { // We remove the second window from the view wxWindow *removedWindow = m_windowTwo; m_windowTwo = (wxWindow *) NULL; - SendUnsplitEvent(removedWindow); - m_sashPosition = 0; + OnUnsplit(removedWindow); + SetSashPositionAndNotify(0); } else { - m_sashPosition = new_sash_position; + SetSashPositionAndNotify(posSashNew); } } else { - m_sashPosition = new_sash_position; + SetSashPositionAndNotify(posSashNew); } SizeWindows(); } // left up && dragging else if (event.Moving() && !event.Dragging()) { - // Just change the cursor if required + // Just change the cursor as required if ( SashHitTest(x, y) ) - { - if ( m_splitMode == wxSPLIT_VERTICAL ) - { - SetCursor(*m_sashCursorWE); - } - else - { - SetCursor(*m_sashCursorNS); - } - } -#if defined(__WXGTK__) || defined(__WXMSW__) + SetResizeCursor(); else - { - // We must set the normal cursor in MSW, because - // if the child window doesn't have a cursor, the - // parent's (splitter window) will be used, and this - // must be the standard cursor. - - // where else do we unset the cursor? SetCursor(* wxSTANDARD_CURSOR); - } -#endif // __WXGTK__ } else if (event.Dragging() && (m_dragMode == wxSPLIT_DRAG_DRAGGING)) { -#ifdef __WXMSW__ - // Otherwise, the cursor sometimes reverts to the normal cursor - // during dragging. - if ( m_splitMode == wxSPLIT_VERTICAL ) - { - SetCursor(*m_sashCursorWE); - } - else + int diff = m_splitMode == wxSPLIT_VERTICAL ? x - m_oldX : y - m_oldY; + if ( !diff ) { - SetCursor(*m_sashCursorNS); + // nothing to do, mouse didn't really move far enough + return; } -#endif - // 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) ) + int posSashOld = isLive ? m_sashPosition : m_sashPositionCurrent; + int posSashNew = OnSashPositionChanging(posSashOld + diff); + if ( posSashNew == -1 ) { - new_sash_position = eventSplitter.GetSashPosition(); - if ( new_sash_position == -1 ) - { - // change not allowed - return; - } + // change not allowed + return; } - if (new_sash_position == m_sashPosition) + if ( posSashNew == m_sashPosition ) return; // Erase old tracker - if ((GetWindowStyleFlag() & wxSP_LIVE_UPDATE) == 0) + if ( !isLive ) { DrawSashTracker(m_oldX, m_oldY); } if (m_splitMode == wxSPLIT_VERTICAL) - x = new_sash_position; + x = posSashNew; else - y = new_sash_position; + y = posSashNew; // Remember old positions m_oldX = x; @@ -347,24 +331,21 @@ void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event) #endif // __WXMSW__ // Draw new one - if ((GetWindowStyleFlag() & wxSP_LIVE_UPDATE) == 0) + if ( !isLive ) { + m_sashPositionCurrent = posSashNew; + DrawSashTracker(m_oldX, m_oldY); } else { - m_sashPosition = new_sash_position; + SetSashPositionAndNotify(posSashNew); m_needUpdating = TRUE; } } - else if ( event.LeftDClick() ) + else if ( event.LeftDClick() && m_windowTwo ) { - wxSplitterEvent eventSplitter(wxEVT_COMMAND_SPLITTER_DOUBLECLICKED, - this); - eventSplitter.m_data.pt.x = x; - eventSplitter.m_data.pt.y = y; - - (void)GetEventHandler()->ProcessEvent(eventSplitter); + OnDoubleClickSash(x, y); } } @@ -380,42 +361,50 @@ void wxSplitterWindow::OnSize(wxSizeEvent& event) } bool iconized = FALSE; - wxFrame *frame = wxDynamicCast(parent, wxFrame); - if ( frame ) - iconized = frame->IsIconized(); + + // wxMotif doesn't yet have a wxTopLevelWindow implementation +#ifdef __WXMOTIF__ + wxFrame *winTop = wxDynamicCast(parent, wxFrame); +#else + wxTopLevelWindow *winTop = wxDynamicCast(parent, wxTopLevelWindow); +#endif + if ( winTop ) + { + iconized = winTop->IsIconized(); + } +#ifndef __WXMOTIF__ else { - wxDialog *dialog = wxDynamicCast(parent, wxDialog); - if ( dialog ) - iconized = dialog->IsIconized(); - else - wxFAIL_MSG(wxT("should have a top level frame or dialog parent!")); + wxFAIL_MSG(wxT("should have a top level parent!")); + + iconized = FALSE; } +#endif if ( iconized ) { event.Skip(); + + return; } - else + + int cw, ch; + GetClientSize( &cw, &ch ); + if ( m_windowTwo ) { - int cw, ch; - GetClientSize( &cw, &ch ); - if ( m_windowTwo ) + if ( m_splitMode == wxSPLIT_VERTICAL ) { - if ( m_splitMode == wxSPLIT_VERTICAL ) - { - if ( m_sashPosition >= (cw - 5) ) - m_sashPosition = wxMax(10, cw - 40); - } - if ( m_splitMode == wxSPLIT_HORIZONTAL ) - { - if ( m_sashPosition >= (ch - 5) ) - m_sashPosition = wxMax(10, ch - 40); - } + if ( m_sashPosition >= (cw - 5) ) + SetSashPositionAndNotify(wxMax(10, cw - 40)); + } + else // m_splitMode == wxSPLIT_HORIZONTAL + { + if ( m_sashPosition >= (ch - 5) ) + SetSashPositionAndNotify(wxMax(10, ch - 40)); } - - SizeWindows(); } + + SizeWindows(); } bool wxSplitterWindow::SashHitTest(int x, int y, int tolerance) @@ -499,7 +488,11 @@ void wxSplitterWindow::DrawSash(wxDC& dc) if ( m_splitMode == wxSPLIT_VERTICAL ) { dc.SetPen(*m_facePen); - dc.SetBrush(*m_faceBrush); + + if (HasFlag( wxSP_SASH_AQUA )) + dc.SetBrush(*wxWHITE_BRUSH); + else + dc.SetBrush(*m_faceBrush); dc.DrawRectangle(m_sashPosition + 2, 0 , m_sashSize - 4, h ); dc.SetBrush(*wxTRANSPARENT_BRUSH); @@ -511,11 +504,16 @@ void wxSplitterWindow::DrawSash(wxDC& dc) dc.SetPen(*m_hilightPen); dc.DrawLine(m_sashPosition+1, m_borderSize - 2, m_sashPosition+1, h - m_borderSize+2); - dc.SetPen(*m_mediumShadowPen); - int yMedium = m_borderSize ? h-m_borderSize+1 : h ; + if (!HasFlag( wxSP_SASH_AQUA )) + dc.SetPen(*m_mediumShadowPen); + + int yMedium = m_borderSize ? h-m_borderSize+1 : h ; dc.DrawLine(m_sashPosition+m_sashSize-2, xShadow, m_sashPosition+m_sashSize-2, yMedium); - dc.SetPen(*m_darkShadowPen); + if (HasFlag( wxSP_SASH_AQUA )) + dc.SetPen(*m_lightShadowPen); + else + dc.SetPen(*m_darkShadowPen); dc.DrawLine(m_sashPosition+m_sashSize-1, m_borderSize, m_sashPosition+m_sashSize-1, h-m_borderSize ); // Draw the top and bottom edges of the sash, if requested @@ -530,10 +528,13 @@ void wxSplitterWindow::DrawSash(wxDC& dc) dc.DrawLine(m_sashPosition+1, h-m_borderSize-1, m_sashPosition+m_sashSize-1, h-m_borderSize-1); } } - else + else // wxSPLIT_HORIZONTAL { dc.SetPen(*m_facePen); - dc.SetBrush(*m_faceBrush); + if (HasFlag( wxSP_SASH_AQUA )) + dc.SetBrush(*wxWHITE_BRUSH); + else + dc.SetBrush(*m_faceBrush); dc.DrawRectangle( m_borderSize-2, m_sashPosition + 2, w-m_borderSize+2, m_sashSize - 4); dc.SetBrush(*wxTRANSPARENT_BRUSH); @@ -544,10 +545,14 @@ void wxSplitterWindow::DrawSash(wxDC& dc) dc.SetPen(*m_hilightPen); dc.DrawLine(m_borderSize-2, m_sashPosition+1, w-m_borderSize+1, m_sashPosition+1); - dc.SetPen(*m_mediumShadowPen); + if (!HasFlag( wxSP_SASH_AQUA )) + dc.SetPen(*m_mediumShadowPen); dc.DrawLine(m_borderSize-1, m_sashPosition+m_sashSize-2, w-m_borderSize+1, m_sashPosition+m_sashSize-2); - dc.SetPen(*m_darkShadowPen); + if (HasFlag( wxSP_SASH_AQUA )) + dc.SetPen(*m_lightShadowPen); + else + dc.SetPen(*m_darkShadowPen); dc.DrawLine(m_borderSize, m_sashPosition+m_sashSize-1, w-m_borderSize, m_sashPosition+m_sashSize-1); // Draw the left and right edges of the sash, if requested @@ -563,12 +568,12 @@ void wxSplitterWindow::DrawSash(wxDC& dc) } } } - else + else // !wxSP_3DSASH { + dc.SetPen(*wxTRANSPARENT_PEN); + dc.SetBrush(*m_faceBrush); if ( m_splitMode == wxSPLIT_VERTICAL ) { - dc.SetPen(*wxBLACK_PEN); - dc.SetBrush(*wxBLACK_BRUSH); int h1 = h-1; int y1 = 0; if ( (GetWindowStyleFlag() & wxSP_BORDER) != wxSP_BORDER && (GetWindowStyleFlag() & wxSP_3DBORDER) != wxSP_3DBORDER ) @@ -579,10 +584,8 @@ void wxSplitterWindow::DrawSash(wxDC& dc) } dc.DrawRectangle(m_sashPosition, y1, m_sashSize, h1); } - else + else // wxSPLIT_HORIZONTAL { - dc.SetPen(*wxBLACK_PEN); - dc.SetBrush(*wxBLACK_BRUSH); int w1 = w-1; int x1 = 0; if ( (GetWindowStyleFlag() & wxSP_BORDER) != wxSP_BORDER && (GetWindowStyleFlag() & wxSP_3DBORDER) != wxSP_3DBORDER ) @@ -593,7 +596,6 @@ void wxSplitterWindow::DrawSash(wxDC& dc) } dc.DrawRectangle(x1, m_sashPosition, w1, m_sashSize); } - } dc.SetPen(wxNullPen); @@ -656,18 +658,105 @@ void wxSplitterWindow::DrawSashTracker(int x, int y) screenDC.SetBrush(wxNullBrush); } +int wxSplitterWindow::GetWindowSize() const +{ + wxSize size = GetClientSize(); + + return m_splitMode == wxSPLIT_VERTICAL ? size.x : size.y; +} + +int wxSplitterWindow::AdjustSashPosition(int sashPos) const +{ + int window_size = GetWindowSize(); + + wxWindow *win; + + win = GetWindow1(); + if ( win ) + { + // the window shouldn't be smaller than its own minimal size nor + // smaller than the minimual pane size specified for this splitter + int minSize = m_splitMode == wxSPLIT_VERTICAL ? win->GetMinWidth() + : win->GetMinHeight(); + + if ( minSize == -1 || m_minimumPaneSize > minSize ) + minSize = m_minimumPaneSize; + + minSize += GetBorderSize(); + + if ( sashPos < minSize ) + sashPos = minSize; + } + + win = GetWindow2(); + if ( win ) + { + int minSize = m_splitMode == wxSPLIT_VERTICAL ? win->GetMinWidth() + : win->GetMinHeight(); + + if ( minSize == -1 || m_minimumPaneSize > minSize ) + minSize = m_minimumPaneSize; + + int maxSize = window_size - minSize - GetBorderSize(); + if ( sashPos > maxSize ) + sashPos = maxSize; + } + + return sashPos; +} + +bool wxSplitterWindow::DoSetSashPosition(int sashPos) +{ + int newSashPosition = AdjustSashPosition(sashPos); + + if ( newSashPosition == m_sashPosition ) + return FALSE; + + m_sashPosition = newSashPosition; + + 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; + + (void)DoSendEvent(event); + } +} + // Position and size subwindows. // Note that the border size applies to each subwindow, not // including the edges next to the sash. void wxSplitterWindow::SizeWindows() { + // check if we have delayed setting the real sash position + if ( m_requestedSashPosition != INT_MAX ) + { + int newSashPosition = ConvertSashPosition(m_requestedSashPosition); + if ( newSashPosition != m_sashPosition ) + { + DoSetSashPosition(newSashPosition); + } + + if ( newSashPosition <= m_sashPosition + && newSashPosition >= m_sashPosition - GetBorderSize() ) + { + // don't update it any more + m_requestedSashPosition = INT_MAX; + } + } + int w, h; GetClientSize(&w, &h); if ( GetWindow1() && !GetWindow2() ) { - GetWindow1()->SetSize(GetBorderSize(), GetBorderSize(), w - 2*GetBorderSize(), h - 2*GetBorderSize()); - + GetWindow1()->SetSize(GetBorderSize(), GetBorderSize(), + w - 2*GetBorderSize(), h - 2*GetBorderSize()); } else if ( GetWindow1() && GetWindow2() ) { @@ -705,61 +794,63 @@ void wxSplitterWindow::SizeWindows() // 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!") ); + m_windowOne = window; m_windowTwo = (wxWindow *) NULL; - m_sashPosition = 0; + 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. -bool wxSplitterWindow::SplitVertically(wxWindow *window1, wxWindow *window2, int sashPosition) +bool wxSplitterWindow::DoSplit(wxSplitMode mode, + wxWindow *window1, wxWindow *window2, + int sashPosition) { if ( IsSplit() ) return FALSE; - int w, h; - GetClientSize(&w, &h); + wxCHECK_MSG( window1 && window2, FALSE, + _T("can not split with NULL window(s)") ); - m_splitMode = wxSPLIT_VERTICAL; + wxCHECK_MSG( window1->GetParent() == this && window2->GetParent() == this, FALSE, + _T("windows in the splitter should have it as parent!") ); + + m_splitMode = mode; m_windowOne = window1; m_windowTwo = window2; - if ( sashPosition > 0 ) - m_sashPosition = sashPosition; - else if ( sashPosition < 0 ) - m_sashPosition = w + sashPosition; // It's negative so adding is subtracting - else // default - m_sashPosition = w/2; + + // 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; } -bool wxSplitterWindow::SplitHorizontally(wxWindow *window1, wxWindow *window2, int sashPosition) +int wxSplitterWindow::ConvertSashPosition(int sashPosition) const { - if ( IsSplit() ) - return FALSE; - - int w, h; - GetClientSize(&w, &h); - - m_splitMode = wxSPLIT_HORIZONTAL; - m_windowOne = window1; - m_windowTwo = window2; if ( sashPosition > 0 ) - m_sashPosition = sashPosition; + { + return sashPosition; + } else if ( sashPosition < 0 ) - m_sashPosition = h + sashPosition; // It's negative so adding is subtracting - else // default - m_sashPosition = h/2; - - SizeWindows(); - - return TRUE; + { + // It's negative so adding is subtracting + return GetWindowSize() + sashPosition; + } + else // sashPosition == 0 + { + // default, put it in the centre + return GetWindowSize() / 2; + } } - // Remove the specified (or second) window from the view // Doesn't actually delete the window. bool wxSplitterWindow::Unsplit(wxWindow *toRemove) @@ -786,8 +877,8 @@ bool wxSplitterWindow::Unsplit(wxWindow *toRemove) return FALSE; } - SendUnsplitEvent(win); - m_sashPosition = 0; + win->Show(FALSE); + DoSetSashPosition(0); SizeWindows(); return TRUE; @@ -819,9 +910,15 @@ bool wxSplitterWindow::ReplaceWindow(wxWindow *winOld, wxWindow *winNew) return TRUE; } +void wxSplitterWindow::SetMinimumPaneSize(int min) +{ + m_minimumPaneSize = min; + SetSashPosition(m_sashPosition); // re-check limits +} + void wxSplitterWindow::SetSashPosition(int position, bool redraw) { - m_sashPosition = position; + DoSetSashPosition(position); if ( redraw ) { @@ -841,20 +938,20 @@ void wxSplitterWindow::InitColours() // Shadow colours #ifndef __WIN16__ - wxColour faceColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); + wxColour faceColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)); m_facePen = new wxPen(faceColour, 1, wxSOLID); m_faceBrush = new wxBrush(faceColour, wxSOLID); - wxColour mediumShadowColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DSHADOW)); + wxColour mediumShadowColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW)); m_mediumShadowPen = new wxPen(mediumShadowColour, 1, wxSOLID); - wxColour darkShadowColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DDKSHADOW)); + wxColour darkShadowColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW)); m_darkShadowPen = new wxPen(darkShadowColour, 1, wxSOLID); - wxColour lightShadowColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT)); + wxColour lightShadowColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT)); m_lightShadowPen = new wxPen(lightShadowColour, 1, wxSOLID); - wxColour hilightColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DHILIGHT)); + wxColour hilightColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DHILIGHT)); m_hilightPen = new wxPen(hilightColour, 1, wxSOLID); #else m_facePen = new wxPen("LIGHT GREY", 1, wxSOLID); @@ -866,33 +963,38 @@ void wxSplitterWindow::InitColours() #endif // __WIN16__ } -void wxSplitterWindow::SendUnsplitEvent(wxWindow *winRemoved) +bool wxSplitterWindow::DoSendEvent(wxSplitterEvent& event) { - wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_UNSPLIT, this); - event.m_data.win = winRemoved; - - (void)GetEventHandler()->ProcessEvent(event); + return !GetEventHandler()->ProcessEvent(event) || event.IsAllowed(); } // --------------------------------------------------------------------------- -// splitter event handlers +// wxSplitterWindow virtual functions: they now just generate the events // --------------------------------------------------------------------------- -void wxSplitterWindow::OnSashPosChanged(wxSplitterEvent& event) +bool wxSplitterWindow::OnSashPositionChange(int WXUNUSED(newSashPosition)) +{ + // always allow by default + return TRUE; +} + +int wxSplitterWindow::OnSashPositionChanging(int newSashPosition) { // If within UNSPLIT_THRESHOLD from edge, set to edge to cause closure. const int UNSPLIT_THRESHOLD = 4; - int newSashPosition = event.GetSashPosition(); + // first of all, check if OnSashPositionChange() doesn't forbid this change + if ( !OnSashPositionChange(newSashPosition) ) + { + // it does + return -1; + } // Obtain relevant window dimension for bottom / right threshold check - int w, h; - GetClientSize(&w, &h); - int window_size = (m_splitMode == wxSPLIT_VERTICAL) ? w : h ; + int window_size = GetWindowSize(); bool unsplit_scenario = FALSE; - if ( m_permitUnsplitAlways - || m_minimumPaneSize == 0 ) + if ( m_permitUnsplitAlways || m_minimumPaneSize == 0 ) { // Do edge detection if unsplit premitted if ( newSashPosition <= UNSPLIT_THRESHOLD ) @@ -912,10 +1014,7 @@ void wxSplitterWindow::OnSashPosChanged(wxSplitterEvent& event) 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; + newSashPosition = AdjustSashPosition(newSashPosition); } // If the result is out of bounds it means minimum size is too big, @@ -923,50 +1022,65 @@ void wxSplitterWindow::OnSashPosChanged(wxSplitterEvent& event) if ( newSashPosition < 0 || newSashPosition > window_size ) newSashPosition = window_size / 2; - // for compatibility, call the virtual function - if ( !OnSashPositionChange(newSashPosition) ) + // 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); + event.m_data.pos = newSashPosition; + + if ( !DoSendEvent(event) ) { + // the event handler vetoed the change newSashPosition = -1; } + else + { + // it could have been changed by it + newSashPosition = event.GetSashPosition(); + } - event.SetSashPosition(newSashPosition); + return 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) +void wxSplitterWindow::OnDoubleClickSash(int x, int y) { - // for compatibility, call the virtual function - OnDoubleClickSash(event.GetX(), event.GetY()); + wxCHECK_RET(m_windowTwo, wxT("splitter: no window to remove")); - if ( GetMinimumPaneSize() == 0 || m_permitUnsplitAlways ) + // new code should handle events instead of using the virtual functions + wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_DOUBLECLICKED, this); + event.m_data.pt.x = x; + event.m_data.pt.y = y; + if ( DoSendEvent(event) ) { - Unsplit(); + if ( GetMinimumPaneSize() == 0 || m_permitUnsplitAlways ) + { + wxWindow* win = m_windowTwo; + if (Unsplit(win)) + OnUnsplit(win); + } } + //else: blocked by user } -void wxSplitterWindow::OnUnsplitEvent(wxSplitterEvent& event) +void wxSplitterWindow::OnUnsplit(wxWindow *winRemoved) { - wxWindow *win = event.GetWindowBeingRemoved(); + // do it before calling the event handler which may delete the window + winRemoved->Show(FALSE); - // do it before calling OnUnsplit() which may delete the window - win->Show(FALSE); + wxSplitterEvent event(wxEVT_COMMAND_SPLITTER_UNSPLIT, this); + event.m_data.win = winRemoved; - // for compatibility, call the virtual function - OnUnsplit(win); + (void)DoSendEvent(event); } -#if defined(__WXMSW__) - #define WXUNUSED_UNLESS_MSW(identifier) identifier -#else - #define WXUNUSED_UNLESS_MSW(identifier) WXUNUSED(identifier) -#endif +#if defined( __WXMSW__ ) || defined( __WXMAC__) -void wxSplitterWindow::OnSetCursor(wxSetCursorEvent& WXUNUSED_UNLESS_MSW(event)) +// this is currently called (and needed) under MSW only... +void wxSplitterWindow::OnSetCursor(wxSetCursorEvent& event) { - // this is currently called (and needed) under MSW only... -#ifdef __WXMSW__ - // if we don't do it, the resizing cursor might be set for child window: // and like this we explicitly say that our cursor should not be used for // children windows which overlap us @@ -977,5 +1091,7 @@ void wxSplitterWindow::OnSetCursor(wxSetCursorEvent& WXUNUSED_UNLESS_MSW(event)) event.Skip(); } //else: do nothing, in particular, don't call Skip() -#endif // wxMSW } + +#endif // wxMSW +