/////////////////////////////////////////////////////////////////////////////
-// 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.
// 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 <math.h>
#include <stdlib.h>
-#include "wx/string.h"
-#include "wx/dcscreen.h"
-#include "wx/sashwin.h"
+#include "wx/laywin.h"
+
+DEFINE_EVENT_TYPE(wxEVT_SASH_DRAGGED)
-#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxSashWindow, wxWindow)
IMPLEMENT_DYNAMIC_CLASS(wxSashEvent, wxCommandEvent)
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 = 10000;
- m_maximumPaneSizeY = 10000;
+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;
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
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);
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);
- newHeight=wxMax(newHeight,m_minimumPaneSizeY);
- newHeight=wxMin(newHeight,m_maximumPaneSizeY);
- 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;
- newHeight=wxMax(newHeight,m_minimumPaneSizeY);
- newHeight=wxMin(newHeight,m_maximumPaneSizeY);
- 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);
- newWidth=wxMax(newWidth,m_minimumPaneSizeX);
- newWidth=wxMin(newWidth,m_maximumPaneSizeX);
- 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;
- newWidth=wxMax(newWidth,m_minimumPaneSizeX);
- newWidth=wxMin(newWidth,m_maximumPaneSizeX);
- 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.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(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
{
- SetCursor(*wxSTANDARD_CURSOR);
+ 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)
{
}
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
}
case wxSASH_LEFT:
{
- if ((x >= GetEdgeMargin(position)) && (x >= 0))
+ if ((x <= GetEdgeMargin(position)) && (x >= 0))
return wxSASH_LEFT;
break;
}
wxPen lightShadowPen(m_lightShadowColour, 1, wxSOLID);
wxPen hilightPen(m_hilightColour, 1, wxSOLID);
- if ( GetWindowStyleFlag() & wxSP_3D )
+ if ( GetWindowStyleFlag() & wxSW_3DBORDER )
{
dc.SetPen(mediumShadowPen);
dc.DrawLine(0, 0, w-1, 0);
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);
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);
+ wxColour blackClr(0, 0, 0);
+ wxColour whiteClr(255, 255, 255);
+ wxPen blackPen(blackClr, 1, wxSOLID);
+ wxPen whitePen(whiteClr, 1, wxSOLID);
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));
}
}
}
wxPen sashTrackerPen(*wxBLACK, 2, wxSOLID);
- screenDC.SetLogicalFunction(wxXOR);
+ screenDC.SetLogicalFunction(wxINVERT);
screenDC.SetPen(sashTrackerPen);
screenDC.SetBrush(*wxTRANSPARENT_BRUSH);
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;
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);
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)
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
projects / wxWidgets.git / blobdiff