X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/341287bf49066e5dd84e971bd508ee3919ff4b46..9d5cfd0e64a2c09d957517405758de680806e674:/src/generic/sashwin.cpp diff --git a/src/generic/sashwin.cpp b/src/generic/sashwin.cpp index f64ebd1805..aab0b33b90 100644 --- a/src/generic/sashwin.cpp +++ b/src/generic/sashwin.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: sashwin.cpp +// Name: src/generic/sashwin.cpp // Purpose: wxSashWindow implementation. A sash window has an optional // sash on each edge, allowing it to be dragged. An event // is generated when the sash is released. @@ -8,32 +8,35 @@ // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) Julian Smart -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "sashwin.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif +#if wxUSE_SASH + +#include "wx/sashwin.h" + #ifndef WX_PRECOMP -#include "wx/wx.h" + #include "wx/dialog.h" + #include "wx/frame.h" + #include "wx/settings.h" + #include "wx/dcclient.h" + #include "wx/dcscreen.h" + #include "wx/math.h" #endif -#include #include -#include "wx/string.h" -#include "wx/dcscreen.h" -#include "wx/sashwin.h" +#include "wx/laywin.h" + +wxDEFINE_EVENT( wxEVT_SASH_DRAGGED, wxSashEvent ); -#if !USE_SHARED_LIBRARY IMPLEMENT_DYNAMIC_CLASS(wxSashWindow, wxWindow) IMPLEMENT_DYNAMIC_CLASS(wxSashEvent, wxCommandEvent) @@ -41,31 +44,25 @@ BEGIN_EVENT_TABLE(wxSashWindow, wxWindow) EVT_PAINT(wxSashWindow::OnPaint) EVT_SIZE(wxSashWindow::OnSize) EVT_MOUSE_EVENTS(wxSashWindow::OnMouseEvent) +#if defined( __WXMSW__ ) || defined( __WXMAC__) + EVT_SET_CURSOR(wxSashWindow::OnSetCursor) +#endif // __WXMSW__ || __WXMAC__ + END_EVENT_TABLE() -#endif -wxSashWindow::wxSashWindow() +bool wxSashWindow::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, + const wxSize& size, long style, const wxString& name) { - m_draggingEdge = wxSASH_NONE; - m_dragMode = wxSASH_DRAG_NONE; - m_oldX = 0; - m_oldY = 0; - m_firstX = 0; - m_firstY = 0; - m_borderSize = 3 ; - m_extraBorderSize = 0; - m_sashCursorWE = NULL; - m_sashCursorNS = NULL; + return wxWindow::Create(parent, id, pos, size, style, name); +} - m_minimumPaneSizeX = 0; - m_minimumPaneSizeY = 0; - m_maximumPaneSizeX = 0; - m_maximumPaneSizeY = 0; +wxSashWindow::~wxSashWindow() +{ + delete m_sashCursorWE; + delete m_sashCursorNS; } -wxSashWindow::wxSashWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, - const wxSize& size, long style, const wxString& name) - :wxWindow(parent, id, pos, size, style, name) +void wxSashWindow::Init() { m_draggingEdge = wxSASH_NONE; m_dragMode = wxSASH_DRAG_NONE; @@ -77,51 +74,52 @@ wxSashWindow::wxSashWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, m_extraBorderSize = 0; m_minimumPaneSizeX = 0; m_minimumPaneSizeY = 0; - m_maximumPaneSizeX = 0; - m_maximumPaneSizeY = 0; + m_maximumPaneSizeX = 10000; + m_maximumPaneSizeY = 10000; m_sashCursorWE = new wxCursor(wxCURSOR_SIZEWE); m_sashCursorNS = new wxCursor(wxCURSOR_SIZENS); + m_mouseCaptured = false; + m_currentCursor = NULL; // Eventually, we'll respond to colour change messages InitColours(); } -wxSashWindow::~wxSashWindow() -{ - delete m_sashCursorWE; - delete m_sashCursorNS; -} - void wxSashWindow::OnPaint(wxPaintEvent& WXUNUSED(event)) { wxPaintDC dc(this); -#if 0 - if ( m_borderSize > 0 ) - DrawBorders(dc); -#endif - + DrawBorders(dc); DrawSashes(dc); } void wxSashWindow::OnMouseEvent(wxMouseEvent& event) { - long x, y; - event.Position(&x, &y); + wxCoord x = 0, y = 0; + event.GetPosition(&x, &y); wxSashEdgePosition sashHit = SashHitTest(x, y); - if (event.LeftDown()) - { + if (event.LeftDown()) + { + CaptureMouse(); + m_mouseCaptured = true; + if ( sashHit != wxSASH_NONE ) { - 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. + // Find the first frame or dialog and use this to specify + // the area to draw on. + wxWindow* parent = this; + + while (parent && !parent->IsKindOf(CLASSINFO(wxDialog)) && + !parent->IsKindOf(CLASSINFO(wxFrame))) + parent = parent->GetParent(); - // 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); + wxScreenDC::StartDrawingOnTop(parent); // We don't say we're dragging yet; we leave that // decision for the Dragging() branch, to ensure @@ -130,23 +128,44 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event) m_draggingEdge = sashHit; m_firstX = x; m_firstY = y; + + if ( (sashHit == wxSASH_LEFT) || (sashHit == wxSASH_RIGHT) ) + { + if (m_currentCursor != m_sashCursorWE) + { + SetCursor(*m_sashCursorWE); + } + m_currentCursor = m_sashCursorWE; + } + else + { + if (m_currentCursor != m_sashCursorNS) + { + SetCursor(*m_sashCursorNS); + } + m_currentCursor = m_sashCursorNS; + } } - } + } else if ( event.LeftUp() && m_dragMode == wxSASH_DRAG_LEFT_DOWN ) { // Wasn't a proper drag - ReleaseMouse(); + if (m_mouseCaptured) + ReleaseMouse(); + m_mouseCaptured = false; + wxScreenDC::EndDrawingOnTop(); m_dragMode = wxSASH_DRAG_NONE; m_draggingEdge = wxSASH_NONE; - - SetCursor(*wxSTANDARD_CURSOR); } - else if (event.LeftUp() && m_dragMode == wxSASH_DRAG_DRAGGING) - { + else if (event.LeftUp() && m_dragMode == wxSASH_DRAG_DRAGGING) + { // We can stop dragging now and see what we've got. m_dragMode = wxSASH_DRAG_NONE; - ReleaseMouse(); + if (m_mouseCaptured) + ReleaseMouse(); + m_mouseCaptured = false; + // Erase old tracker DrawSashTracker(m_draggingEdge, m_oldX, m_oldY); @@ -155,92 +174,169 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event) wxScreenDC::EndDrawingOnTop(); int w, h; - GetSize(&w, &h); + GetSize(&w, &h); int xp, yp; - GetPosition(&xp, &yp); + GetPosition(&xp, &yp); wxSashEdgePosition edge = m_draggingEdge; m_draggingEdge = wxSASH_NONE; wxRect dragRect; wxSashDragStatus status = wxSASH_STATUS_OK; + + // the new height and width of the window - if -1, it didn't change + int newHeight = wxDefaultCoord, + newWidth = wxDefaultCoord; + + // NB: x and y may be negative and they're relative to the sash window + // upper left corner, while xp and yp are expressed in the parent + // window system of coordinates, so adjust them! After this + // adjustment, all coordinates are relative to the parent window. + y += yp; + x += xp; + switch (edge) { case wxSASH_TOP: - { - if (y > (yp + h)) + if ( y > yp + h ) + { + // top sash shouldn't get below the bottom one status = wxSASH_STATUS_OUT_OF_RANGE; - int newHeight = (h - y); - dragRect = wxRect(xp, (yp + h) - newHeight, w, newHeight); + } + else + { + newHeight = h - (y - yp); + } break; - } + case wxSASH_BOTTOM: - { - if (y < 0) + if ( y < yp ) + { + // bottom sash shouldn't get above the top one status = wxSASH_STATUS_OUT_OF_RANGE; - int newHeight = y; - dragRect = wxRect(xp, yp, w, newHeight); + } + else + { + newHeight = y - yp; + } break; - } + case wxSASH_LEFT: - { - if (x > (xp + w)) + if ( x > xp + w ) + { + // left sash shouldn't get beyond the right one status = wxSASH_STATUS_OUT_OF_RANGE; - int newWidth = (w - x); - dragRect = wxRect((xp + w) - newWidth, yp, newWidth, h); + } + else + { + newWidth = w - (x - xp); + } break; - } + case wxSASH_RIGHT: - { - if (x < 0) + if ( x < xp ) + { + // and the right sash, finally, shouldn't be beyond the + // left one status = wxSASH_STATUS_OUT_OF_RANGE; - int newWidth = x; - dragRect = wxRect(xp, yp, newWidth, h); + } + else + { + newWidth = x - xp; + } + break; + + case wxSASH_NONE: + // can this happen at all? break; - } - case wxSASH_NONE: - { - break; - } } - wxSashEvent event(GetId(), edge); - event.SetEventObject(this); - event.SetDragStatus(status); - event.SetDragRect(dragRect); - GetEventHandler()->ProcessEvent(event); - } - else if (event.Moving() && !event.Dragging()) - { + if ( newHeight == wxDefaultCoord ) + { + // didn't change + newHeight = h; + } + else + { + // make sure it's in m_minimumPaneSizeY..m_maximumPaneSizeY range + newHeight = wxMax(newHeight, m_minimumPaneSizeY); + newHeight = wxMin(newHeight, m_maximumPaneSizeY); + } + + if ( newWidth == wxDefaultCoord ) + { + // didn't change + newWidth = w; + } + else + { + // make sure it's in m_minimumPaneSizeY..m_maximumPaneSizeY range + newWidth = wxMax(newWidth, m_minimumPaneSizeX); + newWidth = wxMin(newWidth, m_maximumPaneSizeX); + } + + dragRect = wxRect(x, y, newWidth, newHeight); + + wxSashEvent eventSash(GetId(), edge); + eventSash.SetEventObject(this); + eventSash.SetDragStatus(status); + eventSash.SetDragRect(dragRect); + GetEventHandler()->ProcessEvent(eventSash); + } + else if ( event.LeftUp() ) + { + if (m_mouseCaptured) + ReleaseMouse(); + m_mouseCaptured = false; + } + else if ((event.Moving() || event.Leaving()) && !event.Dragging()) + { // Just change the cursor if required if ( sashHit != wxSASH_NONE ) { - if ( (sashHit == wxSASH_LEFT) || (sashHit == wxSASH_RIGHT) ) + if ( (sashHit == wxSASH_LEFT) || (sashHit == wxSASH_RIGHT) ) + { + if (m_currentCursor != m_sashCursorWE) { - SetCursor(*m_sashCursorWE); + SetCursor(*m_sashCursorWE); } - else + m_currentCursor = m_sashCursorWE; + } + else + { + if (m_currentCursor != m_sashCursorNS) { - SetCursor(*m_sashCursorNS); + SetCursor(*m_sashCursorNS); } + m_currentCursor = m_sashCursorNS; + } } else { - SetCursor(*wxSTANDARD_CURSOR); + SetCursor(wxNullCursor); + m_currentCursor = NULL; + } + } + else if ( event.Dragging() && + ((m_dragMode == wxSASH_DRAG_DRAGGING) || + (m_dragMode == wxSASH_DRAG_LEFT_DOWN)) ) + { + if ( (m_draggingEdge == wxSASH_LEFT) || (m_draggingEdge == wxSASH_RIGHT) ) + { + if (m_currentCursor != m_sashCursorWE) + { + SetCursor(*m_sashCursorWE); + } + m_currentCursor = m_sashCursorWE; + } + else + { + if (m_currentCursor != m_sashCursorNS) + { + SetCursor(*m_sashCursorNS); + } + m_currentCursor = m_sashCursorNS; } - } - else if ( event.Dragging() && - ((m_dragMode == wxSASH_DRAG_DRAGGING) || (m_dragMode == wxSASH_DRAG_LEFT_DOWN)) - ) - { - if ( (m_draggingEdge == wxSASH_LEFT) || (m_draggingEdge == wxSASH_RIGHT) ) - { - SetCursor(*m_sashCursorWE); - } - else - { - SetCursor(*m_sashCursorNS); - } if (m_dragMode == wxSASH_DRAG_LEFT_DOWN) { @@ -249,18 +345,18 @@ void wxSashWindow::OnMouseEvent(wxMouseEvent& event) } else { - if ( m_dragMode == wxSASH_DRAG_DRAGGING ) - { - // Erase old tracker - DrawSashTracker(m_draggingEdge, m_oldX, m_oldY); + if ( m_dragMode == wxSASH_DRAG_DRAGGING ) + { + // Erase old tracker + DrawSashTracker(m_draggingEdge, m_oldX, m_oldY); - // Draw new one - DrawSashTracker(m_draggingEdge, x, y); - } + // Draw new one + DrawSashTracker(m_draggingEdge, x, y); + } } m_oldX = x; m_oldY = y; - } + } else if ( event.LeftDClick() ) { // Nothing @@ -310,7 +406,7 @@ wxSashEdgePosition wxSashWindow::SashHitTest(int x, int y, int WXUNUSED(toleranc } case wxSASH_LEFT: { - if ((x >= GetEdgeMargin(position)) && (x >= 0)) + if ((x <= GetEdgeMargin(position)) && (x >= 0)) return wxSASH_LEFT; break; } @@ -330,12 +426,12 @@ void wxSashWindow::DrawBorders(wxDC& dc) int w, h; GetClientSize(&w, &h); - wxPen mediumShadowPen(m_mediumShadowColour, 1, wxSOLID); - wxPen darkShadowPen(m_darkShadowColour, 1, wxSOLID); - wxPen lightShadowPen(m_lightShadowColour, 1, wxSOLID); - wxPen hilightPen(m_hilightColour, 1, wxSOLID); + wxPen mediumShadowPen(m_mediumShadowColour, 1, wxPENSTYLE_SOLID); + wxPen darkShadowPen(m_darkShadowColour, 1, wxPENSTYLE_SOLID); + wxPen lightShadowPen(m_lightShadowColour, 1, wxPENSTYLE_SOLID); + wxPen hilightPen(m_hilightColour, 1, wxPENSTYLE_SOLID); - if ( GetWindowStyleFlag() & wxSP_3D ) + if ( GetWindowStyleFlag() & wxSW_3DBORDER ) { dc.SetPen(mediumShadowPen); dc.DrawLine(0, 0, w-1, 0); @@ -354,7 +450,7 @@ void wxSashWindow::DrawBorders(wxDC& dc) dc.DrawLine(w-2, 1, w-2, h-2); // Right hand side dc.DrawLine(1, h-2, w-1, h-2); // Bottom } - else if ( GetWindowStyleFlag() & wxSP_BORDER ) + else if ( GetWindowStyleFlag() & wxSW_BORDER ) { dc.SetBrush(*wxTRANSPARENT_BRUSH); dc.SetPen(*wxBLACK_PEN); @@ -379,72 +475,66 @@ void wxSashWindow::DrawSash(wxSashEdgePosition edge, wxDC& dc) int w, h; GetClientSize(&w, &h); - wxPen facePen(m_faceColour, 1, wxSOLID); - wxBrush faceBrush(m_faceColour, wxSOLID); - wxPen mediumShadowPen(m_mediumShadowColour, 1, wxSOLID); - wxPen darkShadowPen(m_darkShadowColour, 1, wxSOLID); - wxPen lightShadowPen(m_lightShadowColour, 1, wxSOLID); - wxPen hilightPen(m_hilightColour, 1, wxSOLID); - wxPen blackPen(wxColour(0, 0, 0), 1, wxSOLID); - wxPen whitePen(wxColour(255, 255, 255), 1, wxSOLID); + wxPen facePen(m_faceColour, 1, wxPENSTYLE_SOLID); + wxBrush faceBrush(m_faceColour, wxBRUSHSTYLE_SOLID); + wxPen mediumShadowPen(m_mediumShadowColour, 1, wxPENSTYLE_SOLID); + wxPen darkShadowPen(m_darkShadowColour, 1, wxPENSTYLE_SOLID); + wxPen lightShadowPen(m_lightShadowColour, 1, wxPENSTYLE_SOLID); + wxPen hilightPen(m_hilightColour, 1, wxPENSTYLE_SOLID); + wxColour blackClr(0, 0, 0); + wxColour whiteClr(255, 255, 255); + wxPen blackPen(blackClr, 1, wxPENSTYLE_SOLID); + wxPen whitePen(whiteClr, 1, wxPENSTYLE_SOLID); if ( edge == wxSASH_LEFT || edge == wxSASH_RIGHT ) { - int sashPosition = 0; - if (edge == wxSASH_LEFT) - sashPosition = 0; - else - sashPosition = w - GetEdgeMargin(edge); + int sashPosition = (edge == wxSASH_LEFT) ? 0 : ( w - GetEdgeMargin(edge) ); dc.SetPen(facePen); dc.SetBrush(faceBrush); dc.DrawRectangle(sashPosition, 0, GetEdgeMargin(edge), h); - if (GetWindowStyleFlag() & wxSW_3D) + if (GetWindowStyleFlag() & wxSW_3DSASH) { if (edge == wxSASH_LEFT) { - // Draw a black line on the left to indicate that the + // Draw a dark grey line on the left to indicate that the // sash is raised - dc.SetPen(blackPen); + dc.SetPen(mediumShadowPen); dc.DrawLine(GetEdgeMargin(edge), 0, GetEdgeMargin(edge), h); } else { - // Draw a white line on the right to indicate that the + // Draw a highlight line on the right to indicate that the // sash is raised - dc.SetPen(whitePen); + dc.SetPen(hilightPen); dc.DrawLine(w - GetEdgeMargin(edge), 0, w - GetEdgeMargin(edge), h); } } } else // top or bottom { - int sashPosition = 0; - if (edge == wxSASH_TOP) - sashPosition = 0; - else - sashPosition = h - GetEdgeMargin(edge); + int sashPosition = (edge == wxSASH_TOP) ? 0 : ( h - GetEdgeMargin(edge) ); dc.SetPen(facePen); dc.SetBrush(faceBrush); dc.DrawRectangle(0, sashPosition, w, GetEdgeMargin(edge)); - if (GetWindowStyleFlag() & wxSW_3D) + if (GetWindowStyleFlag() & wxSW_3DSASH) { if (edge == wxSASH_BOTTOM) { - // Draw a black line on the bottom to indicate that the + // Draw a highlight line on the bottom to indicate that the // sash is raised - dc.SetPen(blackPen); + dc.SetPen(hilightPen); dc.DrawLine(0, h - GetEdgeMargin(edge), w, h - GetEdgeMargin(edge)); } else { - // Draw a white line on the top to indicate that the + // Draw a drak grey line on the top to indicate that the // sash is raised - dc.SetPen(whitePen); - dc.DrawLine(0, GetEdgeMargin(edge), w, GetEdgeMargin(edge)); + dc.SetPen(mediumShadowPen); + dc.DrawLine(1, GetEdgeMargin(edge), w-1, GetEdgeMargin(edge)); } } } @@ -497,9 +587,9 @@ void wxSashWindow::DrawSashTracker(wxSashEdgePosition edge, int x, int y) ClientToScreen(&x1, &y1); ClientToScreen(&x2, &y2); - wxPen sashTrackerPen(*wxBLACK, 2, wxSOLID); + wxPen sashTrackerPen(*wxBLACK, 2, wxPENSTYLE_SOLID); - screenDC.SetLogicalFunction(wxXOR); + screenDC.SetLogicalFunction(wxINVERT); screenDC.SetPen(sashTrackerPen); screenDC.SetBrush(*wxTRANSPARENT_BRUSH); @@ -519,9 +609,9 @@ void wxSashWindow::SizeWindows() int cw, ch; GetClientSize(&cw, &ch); - if (GetChildren()->Number() > 0) + if (GetChildren().GetCount() == 1) { - wxWindow* child = (wxWindow*) (GetChildren()->First()->Data()); + wxWindow* child = GetChildren().GetFirst()->GetData(); int x = 0; int y = 0; @@ -560,6 +650,16 @@ void wxSashWindow::SizeWindows() child->SetSize(x, y, width, height); } + else if (GetChildren().GetCount() > 1) + { + // Perhaps multiple children are themselves sash windows. + // TODO: this doesn't really work because the subwindows sizes/positions + // must be set to leave a gap for the parent's sash (hit-test and decorations). + // Perhaps we can allow for this within LayoutWindow, testing whether the parent + // is a sash window, and if so, allowing some space for the edges. + wxLayoutAlgorithm layout; + layout.LayoutWindow(this); + } wxClientDC dc(this); DrawBorders(dc); @@ -570,19 +670,11 @@ void wxSashWindow::SizeWindows() void wxSashWindow::InitColours() { // Shadow colours -#if defined(__WIN95__) - m_faceColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE); - m_mediumShadowColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DSHADOW); - m_darkShadowColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DDKSHADOW); - m_lightShadowColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT); - m_hilightColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DHILIGHT); -#else - m_faceColour = *(wxTheColourDatabase->FindColour("LIGHT GREY")); - m_mediumShadowColour = *(wxTheColourDatabase->FindColour("GREY")); - m_darkShadowColour = *(wxTheColourDatabase->FindColour("BLACK")); - m_lightShadowColour = *(wxTheColourDatabase->FindColour("LIGHT GREY")); - m_hilightColour = *(wxTheColourDatabase->FindColour("WHITE")); -#endif + m_faceColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE); + m_mediumShadowColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW); + m_darkShadowColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW); + m_lightShadowColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT); + m_hilightColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DHILIGHT); } void wxSashWindow::SetSashVisible(wxSashEdgePosition edge, bool sash) @@ -594,3 +686,23 @@ void wxSashWindow::SetSashVisible(wxSashEdgePosition edge, bool sash) m_sashes[edge].m_margin = 0; } +#if defined( __WXMSW__ ) || defined( __WXMAC__) + +// this is currently called (and needed) under MSW only... +void wxSashWindow::OnSetCursor(wxSetCursorEvent& event) +{ + // 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 + + if ( SashHitTest(event.GetX(), event.GetY()) != wxSASH_NONE) + { + // default processing is ok + event.Skip(); + } + //else: do nothing, in particular, don't call Skip() +} + +#endif // __WXMSW__ || __WXMAC__ + +#endif // wxUSE_SASH