X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/34138703c3997ce676a1e713d9ff9eb020640da7..66b6b04535cf261b7bae7da77332835b242abd04:/src/generic/splitter.cpp diff --git a/src/generic/splitter.cpp b/src/generic/splitter.cpp index 9b23bbff8f..31aea495e1 100644 --- a/src/generic/splitter.cpp +++ b/src/generic/splitter.cpp @@ -6,47 +6,56 @@ // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ -#pragma implementation "splitter.h" -// #pragma interface + #pragma implementation "splitter.h" #endif // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif #ifndef WX_PRECOMP -#include "wx/wx.h" + #include "wx/window.h" + #include "wx/dialog.h" + #include "wx/frame.h" #endif -#include #include #include "wx/string.h" #include "wx/splitter.h" #include "wx/dcscreen.h" +#include "wx/settings.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_IDLE(wxSplitterWindow::OnIdle) 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(void) +wxSplitterWindow::wxSplitterWindow() { m_splitMode = wxSPLIT_VERTICAL; - m_windowOne = NULL; - m_windowTwo = NULL; + m_permitUnsplitAlways = FALSE; + m_windowOne = (wxWindow *) NULL; + m_windowTwo = (wxWindow *) NULL; m_dragMode = wxSPLIT_DRAG_NONE; m_oldX = 0; m_oldY = 0; @@ -55,25 +64,30 @@ wxSplitterWindow::wxSplitterWindow(void) m_sashSize = 7; m_borderSize = 2; m_sashPosition = 0; - m_sashCursorWE = NULL; - m_sashCursorNS = NULL; - m_sashTrackerPen = NULL; - m_lightShadowPen = NULL; - m_mediumShadowPen = NULL; - m_darkShadowPen = NULL; - m_faceBrush = NULL; - m_facePen = NULL; - m_hilightPen = NULL; + m_sashCursorWE = (wxCursor *) NULL; + m_sashCursorNS = (wxCursor *) NULL; + m_sashTrackerPen = (wxPen *) NULL; + m_lightShadowPen = (wxPen *) NULL; + m_mediumShadowPen = (wxPen *) NULL; + m_darkShadowPen = (wxPen *) NULL; + m_faceBrush = (wxBrush *) NULL; + m_facePen = (wxPen *) NULL; + m_hilightPen = (wxPen *) NULL; m_minimumPaneSize = 0; + m_needUpdating = FALSE; } -wxSplitterWindow::wxSplitterWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, - const wxSize& size, long style, const wxString& name) - :wxWindow(parent, id, pos, size, style, name) +wxSplitterWindow::wxSplitterWindow(wxWindow *parent, wxWindowID id, + const wxPoint& pos, + const wxSize& size, + long style, + const wxString& name) + : wxWindow(parent, id, pos, size, style, name) { m_splitMode = wxSPLIT_VERTICAL; - m_windowOne = NULL; - m_windowTwo = NULL; + m_permitUnsplitAlways = (style & wxSP_PERMIT_UNSPLIT) != 0; + m_windowOne = (wxWindow *) NULL; + m_windowTwo = (wxWindow *) NULL; m_dragMode = wxSPLIT_DRAG_NONE; m_oldX = 0; m_oldY = 0; @@ -86,12 +100,12 @@ wxSplitterWindow::wxSplitterWindow(wxWindow *parent, wxWindowID id, const wxPoin m_sashCursorWE = new wxCursor(wxCURSOR_SIZEWE); m_sashCursorNS = new wxCursor(wxCURSOR_SIZENS); m_sashTrackerPen = new wxPen(*wxBLACK, 2, wxSOLID); - m_lightShadowPen = NULL; - m_mediumShadowPen = NULL; - m_darkShadowPen = NULL; - m_faceBrush = NULL; - m_facePen = NULL; - m_hilightPen = NULL; + m_lightShadowPen = (wxPen *) NULL; + m_mediumShadowPen = (wxPen *) NULL; + m_darkShadowPen = (wxPen *) NULL; + m_faceBrush = (wxBrush *) NULL; + m_facePen = (wxPen *) NULL; + m_hilightPen = (wxPen *) NULL; if ( style & wxSP_3D ) { @@ -114,9 +128,11 @@ wxSplitterWindow::wxSplitterWindow(wxWindow *parent, wxWindowID id, const wxPoin // For debugging purposes, to see the background. // SetBackground(wxBLUE_BRUSH); + + m_needUpdating = FALSE; } -wxSplitterWindow::~wxSplitterWindow(void) +wxSplitterWindow::~wxSplitterWindow() { delete m_sashCursorWE; delete m_sashCursorNS; @@ -138,196 +154,253 @@ void wxSplitterWindow::OnPaint(wxPaintEvent& WXUNUSED(event)) DrawSash(dc); } +void wxSplitterWindow::OnIdle(wxIdleEvent& WXUNUSED(event)) +{ + if (m_needUpdating) + SizeWindows(); +} + void wxSplitterWindow::OnMouseEvent(wxMouseEvent& event) { - long x, y; - event.Position(&x, &y); + wxCoord x = (wxCoord)event.GetX(), + y = (wxCoord)event.GetY(); + + // reset the cursor +#ifdef __WXMOTIF__ + SetCursor(* wxSTANDARD_CURSOR); +#endif +#ifdef __WXMSW__ + SetCursor(wxCursor()); +#endif + - if (event.LeftDown()) - { + if (event.LeftDown()) + { if ( SashHitTest(x, y) ) { - CaptureMouse(); - - // Required for X to specify that - // that we wish to draw on top of all windows - // - and we optimise by specifying the area - // for creating the overlap window. - wxScreenDC::StartDrawingOnTop(this); - - // We don't say we're dragging yet; we leave that - // decision for the Dragging() branch, to ensure - // the user has dragged a little bit. - m_dragMode = wxSPLIT_DRAG_LEFT_DOWN; - m_firstX = x; - m_firstY = y; - } - } - else if ( event.LeftUp() && m_dragMode == wxSPLIT_DRAG_LEFT_DOWN ) - { - // Wasn't a proper drag - ReleaseMouse(); - wxScreenDC::EndDrawingOnTop(); - m_dragMode = wxSPLIT_DRAG_NONE; + CaptureMouse(); + + m_dragMode = wxSPLIT_DRAG_DRAGGING; - SetCursor(*wxSTANDARD_CURSOR); + if ((GetWindowStyleFlag() & wxSP_LIVE_UPDATE) == 0) + { + DrawSashTracker(x, y); + } + + m_oldX = x; + m_oldY = y; + return; + } } - else if (event.LeftUp() && m_dragMode == wxSPLIT_DRAG_DRAGGING) - { + else if (event.LeftUp() && m_dragMode == wxSPLIT_DRAG_DRAGGING) + { // We can stop dragging now and see what we've got. m_dragMode = wxSPLIT_DRAG_NONE; - ReleaseMouse(); - // Erase old tracker - DrawSashTracker(m_oldX, m_oldY); + ReleaseMouse(); - // End drawing on top (frees the window used for drawing - // over the screen) - wxScreenDC::EndDrawingOnTop(); + // Erase old tracker + if ((GetWindowStyleFlag() & wxSP_LIVE_UPDATE) == 0) + { + 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 ) + 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) ) { - // First check if we should veto this resize because - // the pane size is too small - if ( wxMax(x, 0) < m_minimumPaneSize || wxMax((w - x), 0) < m_minimumPaneSize) + 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 = NULL; - - OnUnsplit(removedWindow); + m_windowTwo = (wxWindow *) NULL; + 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 = NULL; - OnUnsplit(removedWindow); + m_windowTwo = (wxWindow *) NULL; + SendUnsplitEvent(removedWindow); m_sashPosition = 0; } else { - m_sashPosition = x; + m_sashPosition = new_sash_position; } } else { - // First check if we should veto this resize because - // the pane size is too small - if ( wxMax(y, 0) < m_minimumPaneSize || wxMax((h - y), 0) < m_minimumPaneSize) - return; - - if ( y <= 4 ) - { - // We remove the first window from the view - wxWindow *removedWindow = m_windowOne; - m_windowOne = m_windowTwo; - m_windowTwo = NULL; - - OnUnsplit(removedWindow); - m_sashPosition = 0; - } - else if ( y >= (h - 4) ) - { - // We remove the second window from the view - wxWindow *removedWindow = m_windowTwo; - m_windowTwo = NULL; - OnUnsplit(removedWindow); - m_sashPosition = 0; - } - else - { - m_sashPosition = y; - } + m_sashPosition = new_sash_position; } + SizeWindows(); - } - else if (event.Moving() && !event.Dragging()) - { + } // left up && dragging + else if (event.Moving() && !event.Dragging()) + { // Just change the cursor if required if ( SashHitTest(x, y) ) { - if ( m_splitMode == wxSPLIT_VERTICAL ) + if ( m_splitMode == wxSPLIT_VERTICAL ) { - SetCursor(*m_sashCursorWE); + SetCursor(*m_sashCursorWE); } else { - SetCursor(*m_sashCursorNS); + SetCursor(*m_sashCursorNS); } } +#ifdef __WXGTK__ else { - SetCursor(*wxSTANDARD_CURSOR); + // where else do we unset the cursor? + SetCursor(* wxSTANDARD_CURSOR); } - } - else if ( (event.Dragging() && (m_dragMode == wxSPLIT_DRAG_DRAGGING)) || - (event.Dragging() && SashHitTest(x, y, 4)) ) - { - if ( m_splitMode == wxSPLIT_VERTICAL ) - { - SetCursor(*m_sashCursorWE); - } - else - { - SetCursor(*m_sashCursorNS); - } - - // Detect that this is really a drag: we've moved more than 1 pixel either way - if ((m_dragMode == wxSPLIT_DRAG_LEFT_DOWN) && -// (abs((int)x - m_firstX) > 1 || abs((int)y - m_firstY) > 1) ) - (abs((int)x - m_firstX) > 0 || abs((int)y - m_firstY) > 1) ) +#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) ) { - m_dragMode = wxSPLIT_DRAG_DRAGGING; - DrawSashTracker(x, y); + new_sash_position = eventSplitter.GetSashPosition(); + if ( new_sash_position == -1 ) + { + // change not allowed + return; + } } - else + + // Erase old tracker + if ((GetWindowStyleFlag() & wxSP_LIVE_UPDATE) == 0) { - if ( m_dragMode == wxSPLIT_DRAG_DRAGGING ) - { - // Erase old tracker DrawSashTracker(m_oldX, m_oldY); + } + + 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; + } - // Draw new one - DrawSashTracker(x, 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__ + + // Draw new one + if ((GetWindowStyleFlag() & wxSP_LIVE_UPDATE) == 0) + { + DrawSashTracker(m_oldX, m_oldY); + } + else + { + m_sashPosition = new_sash_position; + m_needUpdating = TRUE; } - m_oldX = x; - m_oldY = y; - } + } 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); } +} + +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; + wxFrame *frame = wxDynamicCast(parent, wxFrame); + if ( frame ) + iconized = frame->IsIconized(); else { + wxDialog *dialog = wxDynamicCast(parent, wxDialog); + if ( dialog ) + iconized = dialog->IsIconized(); + else + wxFAIL_MSG(wxT("should have a top level frame or dialog parent!")); } -} -void wxSplitterWindow::OnSize(wxSizeEvent& WXUNUSED(event)) -{ - int cw, ch; - GetClientSize( &cw, &ch ); - if ( m_windowTwo ) + if ( iconized ) { - if ( m_splitMode == wxSPLIT_VERTICAL ) - { - if ( m_sashPosition >= (cw - 5) ) - m_sashPosition = wxMax(10, cw - 40); - } - if ( m_splitMode == wxSPLIT_HORIZONTAL ) + event.Skip(); + } + else + { + int cw, ch; + GetClientSize( &cw, &ch ); + if ( m_windowTwo ) { - if ( m_sashPosition >= (ch - 5) ) - m_sashPosition = wxMax(10, ch - 40); + 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); + } } + + SizeWindows(); } - SizeWindows(); } bool wxSplitterWindow::SashHitTest(int x, int y, int tolerance) @@ -349,8 +422,6 @@ bool wxSplitterWindow::SashHitTest(int x, int y, int tolerance) else return FALSE; } - - return FALSE; } // Draw 3D effect borders @@ -361,22 +432,30 @@ void wxSplitterWindow::DrawBorders(wxDC& dc) if ( GetWindowStyleFlag() & wxSP_3D ) { + + dc.SetPen(*m_facePen); + dc.SetBrush(*m_faceBrush); + dc.DrawRectangle(1, 1 , w-1, m_borderSize-2 ); //high + dc.DrawRectangle(1, m_borderSize-2 , m_borderSize-2, h-1 ); // left + dc.DrawRectangle(w-m_borderSize+2, m_borderSize-2 , w-1, h-1 ); // right + dc.DrawRectangle(m_borderSize-2, h-m_borderSize+2 , w-m_borderSize+2, h-1 ); //bottom + dc.SetPen(*m_mediumShadowPen); - dc.DrawLine(0, 0, w-1, 0); - dc.DrawLine(0, 0, 0, h - 1); + dc.DrawLine(m_borderSize-2, m_borderSize-2, w-m_borderSize+1, m_borderSize-2); + dc.DrawLine(m_borderSize-2, m_borderSize-2, m_borderSize-2, h-m_borderSize+1); dc.SetPen(*m_darkShadowPen); - dc.DrawLine(1, 1, w-2, 1); - dc.DrawLine(1, 1, 1, h-2); + dc.DrawLine(m_borderSize-1, m_borderSize-1, w-m_borderSize, m_borderSize-1); + dc.DrawLine(m_borderSize-1, m_borderSize-1, m_borderSize-1, h-m_borderSize); dc.SetPen(*m_hilightPen); - dc.DrawLine(0, h-1, w-1, h-1); - dc.DrawLine(w-1, 0, w-1, h); // Surely the maximum y pos. should be h - 1. + dc.DrawLine(m_borderSize - 2, h-m_borderSize+1, w-m_borderSize+1, h-m_borderSize+1); + dc.DrawLine(w-m_borderSize+1, m_borderSize - 2, w-m_borderSize+1, h-m_borderSize+2); // Surely the maximum y pos. should be h - 1. /// Anyway, h is required for MSW. dc.SetPen(*m_lightShadowPen); - dc.DrawLine(w-2, 1, w-2, h-2); // Right hand side - dc.DrawLine(1, h-2, w-1, h-2); // Bottom + dc.DrawLine(w-m_borderSize, m_borderSize-1, w-m_borderSize, h-m_borderSize); // Right hand side + dc.DrawLine(m_borderSize-1, h-m_borderSize, w-m_borderSize+1, h-m_borderSize); // Bottom } else if ( GetWindowStyleFlag() & wxSP_BORDER ) { @@ -404,41 +483,43 @@ void wxSplitterWindow::DrawSash(wxDC& dc) { dc.SetPen(*m_facePen); dc.SetBrush(*m_faceBrush); - dc.DrawRectangle(m_sashPosition + 2, 0, m_sashSize - 4, h); + dc.DrawRectangle(m_sashPosition + 2, 0 , m_sashSize - 4, h ); dc.SetBrush(*wxTRANSPARENT_BRUSH); dc.SetPen(*m_lightShadowPen); - dc.DrawLine(m_sashPosition, 1, m_sashPosition, h-2); + int xShadow = m_borderSize ? m_borderSize - 1 : 0 ; + dc.DrawLine(m_sashPosition, xShadow , m_sashPosition, h-m_borderSize); dc.SetPen(*m_hilightPen); - dc.DrawLine(m_sashPosition+1, 0, m_sashPosition+1, h); + dc.DrawLine(m_sashPosition+1, m_borderSize - 2, m_sashPosition+1, h - m_borderSize+2); dc.SetPen(*m_mediumShadowPen); - dc.DrawLine(m_sashPosition+m_sashSize-2, 1, m_sashPosition+m_sashSize-2, h-1); + 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); - dc.DrawLine(m_sashPosition+m_sashSize-1, 2, m_sashPosition+m_sashSize-1, h-2); - } + dc.DrawLine(m_sashPosition+m_sashSize-1, m_borderSize, m_sashPosition+m_sashSize-1, h-m_borderSize ); + } else { dc.SetPen(*m_facePen); dc.SetBrush(*m_faceBrush); - dc.DrawRectangle(0, m_sashPosition + 2, w, m_sashSize - 4); + dc.DrawRectangle( m_borderSize-2, m_sashPosition + 2, w-m_borderSize+2, m_sashSize - 4); dc.SetBrush(*wxTRANSPARENT_BRUSH); dc.SetPen(*m_lightShadowPen); - dc.DrawLine(1, m_sashPosition, w-2, m_sashPosition); + dc.DrawLine(m_borderSize-1, m_sashPosition, w-m_borderSize, m_sashPosition); dc.SetPen(*m_hilightPen); - dc.DrawLine(0, m_sashPosition+1, w, m_sashPosition+1); + dc.DrawLine(m_borderSize-2, m_sashPosition+1, w-m_borderSize+1, m_sashPosition+1); dc.SetPen(*m_mediumShadowPen); - dc.DrawLine(1, m_sashPosition+m_sashSize-2, w-1, m_sashPosition+m_sashSize-2); + dc.DrawLine(m_borderSize-1, m_sashPosition+m_sashSize-2, w-m_borderSize+1, m_sashPosition+m_sashSize-2); dc.SetPen(*m_darkShadowPen); - dc.DrawLine(2, m_sashPosition+m_sashSize-1, w-2, m_sashPosition+m_sashSize-1); + dc.DrawLine(m_borderSize, m_sashPosition+m_sashSize-1, w-m_borderSize, m_sashPosition+m_sashSize-1); } } else @@ -513,7 +594,7 @@ void wxSplitterWindow::DrawSashTracker(int x, int y) ClientToScreen(&x1, &y1); ClientToScreen(&x2, &y2); - screenDC.SetLogicalFunction(wxXOR); + screenDC.SetLogicalFunction(wxINVERT); screenDC.SetPen(*m_sashTrackerPen); screenDC.SetBrush(*wxTRANSPARENT_BRUSH); @@ -528,7 +609,7 @@ void wxSplitterWindow::DrawSashTracker(int x, int y) // Position and size subwindows. // Note that the border size applies to each subwindow, not // including the edges next to the sash. -void wxSplitterWindow::SizeWindows(void) +void wxSplitterWindow::SizeWindows() { int w, h; GetClientSize(&w, &h); @@ -536,6 +617,7 @@ void wxSplitterWindow::SizeWindows(void) if ( m_windowOne && !m_windowTwo ) { m_windowOne->SetSize(m_borderSize, m_borderSize, w - 2*m_borderSize, h - 2*m_borderSize); + } else if ( m_windowOne && m_windowTwo ) { @@ -551,10 +633,9 @@ void wxSplitterWindow::SizeWindows(void) int w2 = w - 2*m_borderSize - m_sashSize - w1; int h2 = h - 2*m_borderSize; - m_windowOne->SetSize(x1, y1, - w1, h1); - m_windowTwo->SetSize(x2, y2, - w2, h2); + m_windowOne->SetSize(x1, y1, w1, h1); + m_windowTwo->SetSize(x2, y2, w2, h2); + } else { @@ -562,10 +643,12 @@ void wxSplitterWindow::SizeWindows(void) 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)); + } } wxClientDC dc(this); - DrawBorders(dc); + if ( m_borderSize > 0 ) + DrawBorders(dc); DrawSash(dc); } @@ -573,7 +656,7 @@ void wxSplitterWindow::SizeWindows(void) void wxSplitterWindow::Initialize(wxWindow *window) { m_windowOne = window; - m_windowTwo = NULL; + m_windowTwo = (wxWindow *) NULL; m_sashPosition = 0; } @@ -585,13 +668,18 @@ bool wxSplitterWindow::SplitVertically(wxWindow *window1, wxWindow *window2, int if ( IsSplit() ) return FALSE; + int w, h; + GetClientSize(&w, &h); + m_splitMode = wxSPLIT_VERTICAL; m_windowOne = window1; m_windowTwo = window2; - if ( sashPosition == -1 ) - m_sashPosition = 100; - else + if ( sashPosition > 0 ) m_sashPosition = sashPosition; + else if ( sashPosition < 0 ) + m_sashPosition = w - sashPosition; + else // default + m_sashPosition = w/2; SizeWindows(); @@ -603,13 +691,18 @@ bool wxSplitterWindow::SplitHorizontally(wxWindow *window1, wxWindow *window2, i if ( IsSplit() ) return FALSE; + int w, h; + GetClientSize(&w, &h); + m_splitMode = wxSPLIT_HORIZONTAL; m_windowOne = window1; m_windowTwo = window2; - if ( sashPosition == -1 ) - m_sashPosition = 100; - else + if ( sashPosition > 0 ) m_sashPosition = sashPosition; + else if ( sashPosition < 0 ) + m_sashPosition = h - sashPosition; + else // default + m_sashPosition = h/2; SizeWindows(); @@ -624,95 +717,191 @@ bool wxSplitterWindow::Unsplit(wxWindow *toRemove) if ( ! IsSplit() ) return FALSE; + wxWindow *win = NULL; if ( toRemove == NULL || toRemove == m_windowTwo) { - wxWindow *win = m_windowTwo ; - m_windowTwo = NULL; - m_sashPosition = 0; - OnUnsplit(win); - SizeWindows(); + win = m_windowTwo ; + m_windowTwo = (wxWindow *) NULL; } else if ( toRemove == m_windowOne ) { - wxWindow *win = m_windowOne ; + win = m_windowOne ; m_windowOne = m_windowTwo; - m_windowTwo = NULL; - m_sashPosition = 0; - OnUnsplit(win); - SizeWindows(); + m_windowTwo = (wxWindow *) NULL; } else + { + wxFAIL_MSG(wxT("splitter: attempt to remove a non-existent window")); + return FALSE; + } + + SendUnsplitEvent(win); + m_sashPosition = 0; + SizeWindows(); return TRUE; } -void wxSplitterWindow::SetSashPosition(int position, bool redraw) +// Replace a window with another one +bool wxSplitterWindow::ReplaceWindow(wxWindow *winOld, wxWindow *winNew) { - m_sashPosition = position; + wxCHECK_MSG( winOld, FALSE, wxT("use one of Split() functions instead") ); + wxCHECK_MSG( winNew, FALSE, wxT("use Unsplit() functions instead") ); - if ( redraw ) + if ( winOld == m_windowTwo ) { - SizeWindows(); + m_windowTwo = winNew; + } + else if ( winOld == m_windowOne ) + { + m_windowOne = winNew; } + else + { + wxFAIL_MSG(wxT("splitter: attempt to replace a non-existent window")); + + return FALSE; + } + + SizeWindows(); + + 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) ) +void wxSplitterWindow::SetSashPosition(int position, bool redraw) { - if ( GetMinimumPaneSize() == 0 ) + m_sashPosition = position; + + if ( redraw ) { - Unsplit(); + SizeWindows(); } } // Initialize colours -void wxSplitterWindow::InitColours(void) +void wxSplitterWindow::InitColours() { - if ( m_facePen ) - delete m_facePen; - if ( m_faceBrush ) - delete m_faceBrush; - if ( m_mediumShadowPen ) - delete m_mediumShadowPen; - if ( m_darkShadowPen ) - delete m_darkShadowPen; - if ( m_lightShadowPen ) - delete m_lightShadowPen; - if ( m_hilightPen ) - delete m_hilightPen; + wxDELETE( m_facePen ); + wxDELETE( m_faceBrush ); + wxDELETE( m_mediumShadowPen ); + wxDELETE( m_darkShadowPen ); + wxDELETE( m_lightShadowPen ); + wxDELETE( m_hilightPen ); // Shadow colours #if defined(__WIN95__) -// COLORREF ref = ::GetSysColor(COLOR_3DFACE); // Normally light grey wxColour faceColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); m_facePen = new wxPen(faceColour, 1, wxSOLID); m_faceBrush = new wxBrush(faceColour, wxSOLID); -// ref = ::GetSysColor(COLOR_3DSHADOW); // Normally dark grey wxColour mediumShadowColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DSHADOW)); m_mediumShadowPen = new wxPen(mediumShadowColour, 1, wxSOLID); -// ref = ::GetSysColor(COLOR_3DDKSHADOW); // Normally black wxColour darkShadowColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DDKSHADOW)); m_darkShadowPen = new wxPen(darkShadowColour, 1, wxSOLID); -// ref = ::GetSysColor(COLOR_3DLIGHT); // Normally light grey wxColour lightShadowColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT)); m_lightShadowPen = new wxPen(lightShadowColour, 1, wxSOLID); -// ref = ::GetSysColor(COLOR_3DHILIGHT); // Normally white wxColour hilightColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DHILIGHT)); m_hilightPen = new wxPen(hilightColour, 1, wxSOLID); -#else +#else // !Win32 m_facePen = new wxPen("LIGHT GREY", 1, wxSOLID); m_faceBrush = new wxBrush("LIGHT GREY", wxSOLID); m_mediumShadowPen = new wxPen("GREY", 1, wxSOLID); m_darkShadowPen = new wxPen("BLACK", 1, wxSOLID); m_lightShadowPen = new wxPen("LIGHT GREY", 1, wxSOLID); m_hilightPen = new wxPen("WHITE", 1, wxSOLID); -#endif +#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(); + + // do it before calling OnUnsplit() which may delete the window + win->Show(FALSE); + + // for compatibility, call the virtual function + OnUnsplit(win); +}