X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/cacc9daee943655de037c2140dd983a1d0987890..c6e7d14fa96da41236095a18ee8c1e3ad13d3dd0:/src/generic/plot.cpp

diff --git a/src/generic/plot.cpp b/src/generic/plot.cpp
index 9f91b67505..2ae40ff7ec 100644
--- a/src/generic/plot.cpp
+++ b/src/generic/plot.cpp
@@ -20,6 +20,8 @@
 #pragma hdrstop
 #endif
 
+#if wxUSE_PLOT
+
 #ifndef WX_PRECOMP
 #include "wx/object.h"
 #include "wx/font.h"
@@ -60,6 +62,12 @@ static wxBitmap *GetZoomOutBitmap();
 static wxBitmap *GetUpBitmap();
 static wxBitmap *GetDownBitmap();
 
+//-----------------------------------------------------------------------------
+// consts
+//-----------------------------------------------------------------------------
+
+#define wxPLOT_SCROLL_STEP  30
+
 //-----------------------------------------------------------------------------
 // wxPlotEvent
 //-----------------------------------------------------------------------------
@@ -85,6 +93,79 @@ wxPlotCurve::wxPlotCurve( int offsetY, double startY, double endY )
     m_endY = endY;
 }
 
+//-----------------------------------------------------------------------------
+// wxPlotOnOffCurve
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_CLASS(wxPlotOnOffCurve, wxObject)
+
+#include "wx/arrimpl.cpp"
+WX_DEFINE_OBJARRAY(wxArrayPlotOnOff);
+
+wxPlotOnOffCurve::wxPlotOnOffCurve( int offsetY )
+{
+    m_offsetY = offsetY;
+    m_minX = -1;
+    m_maxX = -1;
+}
+
+void wxPlotOnOffCurve::Add( wxInt32 on, wxInt32 off, void *clientData )
+{
+    wxASSERT_MSG( on > 0, wxT("plot index < 0") );
+    wxASSERT( on <= off );
+
+    if (m_minX == -1)
+        m_minX = on;
+    if (off > m_maxX)
+        m_maxX = off;
+    
+    wxPlotOnOff *v = new wxPlotOnOff;
+    v->m_on = on;
+    v->m_off = off;
+    v->m_clientData = clientData;
+    m_marks.Add( v );
+}
+
+size_t wxPlotOnOffCurve::GetCount()
+{
+    return m_marks.GetCount();
+}
+
+wxInt32 wxPlotOnOffCurve::GetOn( size_t index )
+{
+    wxPlotOnOff *v = &m_marks.Item( index );
+    return v->m_on;
+}
+
+wxInt32 wxPlotOnOffCurve::GetOff( size_t index )
+{
+    wxPlotOnOff *v = &m_marks.Item( index );
+    return v->m_off;
+}
+
+void* wxPlotOnOffCurve::GetClientData( size_t index )
+{
+    wxPlotOnOff *v = &m_marks.Item( index );
+    return v->m_clientData;
+}
+
+wxPlotOnOff *wxPlotOnOffCurve::GetAt( size_t index )
+{
+    return &m_marks.Item( index );
+}
+
+void wxPlotOnOffCurve::DrawOnLine( wxDC &dc, wxCoord y, wxCoord start, wxCoord end, void *WXUNUSED(clientData) )
+{
+    dc.DrawLine( start, y, start, y-30 );
+    dc.DrawLine( start, y-30, end, y-30 );
+    dc.DrawLine( end, y-30, end, y );
+}
+
+void wxPlotOnOffCurve::DrawOffLine( wxDC &dc, wxCoord y, wxCoord start, wxCoord end )
+{
+    dc.DrawLine( start, y, end, y );
+}
+
 //-----------------------------------------------------------------------------
 // wxPlotArea
 //-----------------------------------------------------------------------------
@@ -115,11 +196,11 @@ void wxPlotArea::OnMouse( wxMouseEvent &event )
     int view_x;
     int view_y;
     m_owner->GetViewStart( &view_x, &view_y );
-    view_x *= 10;
-    view_y *= 10;
+    view_x *= wxPLOT_SCROLL_STEP;
+    view_y *= wxPLOT_SCROLL_STEP;
     
-    int x = event.GetX();
-    int y = event.GetY();
+    wxCoord x = event.GetX();
+    wxCoord y = event.GetY();
     x += view_x;
     y += view_y;
     
@@ -133,7 +214,7 @@ void wxPlotArea::OnMouse( wxMouseEvent &event )
         double end = curve->GetEndY();
         wxCoord offset_y = curve->GetOffsetY();
             
-        double dy = (end - curve->GetY( x/m_owner->GetZoom() )) / range;
+        double dy = (end - curve->GetY( (wxInt32)(x/m_owner->GetZoom()) )) / range;
         wxCoord curve_y = (wxCoord)(dy * double_client_height) - offset_y - 1;
                 
         if ((y-curve_y < 4) && (y-curve_y > -4))
@@ -145,7 +226,7 @@ void wxPlotArea::OnMouse( wxMouseEvent &event )
             event1.SetPosition( (int)floor(x/m_owner->GetZoom()) );
             m_owner->GetEventHandler()->ProcessEvent( event1 );
             
-            if (curve != m_owner->GetCurrent());
+            if (curve != m_owner->GetCurrent())
             {
                 wxPlotEvent event2( wxEVT_PLOT_SEL_CHANGING, m_owner->GetId() );
                 event2.SetEventObject( m_owner );
@@ -176,7 +257,7 @@ void wxPlotArea::DrawCurve( wxDC *dc, wxPlotCurve *curve, int from, int to )
     int view_x;
     int view_y;
     m_owner->GetViewStart( &view_x, &view_y );
-    view_x *= 10;
+    view_x *= wxPLOT_SCROLL_STEP;
     
     if (from == -1)
         from = view_x;
@@ -187,7 +268,7 @@ void wxPlotArea::DrawCurve( wxDC *dc, wxPlotCurve *curve, int from, int to )
     
     if (to == -1)
         to = view_x + client_width;
-
+        
     double zoom = m_owner->GetZoom();
 
     int start_x = wxMax( from, (int)floor(curve->GetStartX()*zoom) );
@@ -196,6 +277,8 @@ void wxPlotArea::DrawCurve( wxDC *dc, wxPlotCurve *curve, int from, int to )
     start_x = wxMax( view_x, start_x );
     end_x = wxMin( view_x + client_width, end_x );
     
+    end_x++;
+
     double double_client_height = (double)client_height;
     double range = curve->GetEndY() - curve->GetStartY();
     double end = curve->GetEndY();
@@ -204,7 +287,7 @@ void wxPlotArea::DrawCurve( wxDC *dc, wxPlotCurve *curve, int from, int to )
     wxCoord y=0,last_y=0;
     for (int x = start_x; x < end_x; x++)
     {
-        double dy = (end - curve->GetY( x/zoom )) / range;
+        double dy = (end - curve->GetY( (wxInt32)(x/zoom) )) / range;
         y = (wxCoord)(dy * double_client_height) - offset_y - 1;
             
         if (x != start_x)
@@ -214,13 +297,73 @@ void wxPlotArea::DrawCurve( wxDC *dc, wxPlotCurve *curve, int from, int to )
     }
 }
 
+void wxPlotArea::DrawOnOffCurve( wxDC *dc, wxPlotOnOffCurve *curve, int from, int to )
+{
+    int view_x;
+    int view_y;
+    m_owner->GetViewStart( &view_x, &view_y );
+    view_x *= wxPLOT_SCROLL_STEP;
+    
+    if (from == -1)
+        from = view_x;
+
+    int client_width;
+    int client_height;
+    GetClientSize( &client_width, &client_height);
+    
+    if (to == -1)
+        to = view_x + client_width;
+        
+    double zoom = m_owner->GetZoom();
+
+    int start_x = wxMax( from, (int)floor(curve->GetStartX()*zoom) );
+    int end_x = wxMin( to, (int)floor(curve->GetEndX()*zoom) );
+
+    start_x = wxMax( view_x, start_x );
+    end_x = wxMin( view_x + client_width, end_x );
+    
+    end_x++;
+
+    wxCoord offset_y = curve->GetOffsetY();
+    wxCoord last_off = -5;
+    
+    if (curve->GetCount() == 0)
+        return;
+    
+    for (size_t index = 0; index < curve->GetCount(); index++)
+    {
+        wxPlotOnOff *p = curve->GetAt( index );
+        
+        wxCoord on = (wxCoord)(p->m_on*zoom);
+        wxCoord off = (wxCoord)(p->m_off*zoom);
+
+        if (end_x < on)
+        {
+            curve->DrawOffLine( *dc, client_height-offset_y, last_off, on );
+            break;
+        }
+        
+        if (off >= start_x)
+        {
+            curve->DrawOffLine( *dc, client_height-offset_y, last_off, on );
+            curve->DrawOnLine( *dc, client_height-offset_y, on, off, p->m_clientData );
+        }
+        last_off = off;
+    }
+    
+    wxPlotOnOff *p = curve->GetAt( curve->GetCount()-1 );
+    wxCoord off = (wxCoord)(p->m_off*zoom);
+    if (off < end_x)
+        curve->DrawOffLine( *dc, client_height-offset_y, off, to );
+}
+
 void wxPlotArea::OnPaint( wxPaintEvent &WXUNUSED(event) )
 {
     int view_x;
     int view_y;
     m_owner->GetViewStart( &view_x, &view_y );
-    view_x *= 10;
-    view_y *= 10;
+    view_x *= wxPLOT_SCROLL_STEP;
+    view_y *= wxPLOT_SCROLL_STEP;
 
     wxPaintDC dc( this );
     m_owner->PrepareDC( dc );
@@ -248,7 +391,7 @@ void wxPlotArea::OnPaint( wxPaintEvent &WXUNUSED(event) )
         wxNode *node = m_owner->m_curves.First();
         while (node)
         {
-            wxPlotCurve *curve = (wxPlotCurve*)node->Data();
+            wxPlotCurve *curve = (wxPlotCurve*) node->Data();
             
             if (curve == m_owner->GetCurrent())
                 dc.SetPen( *wxBLACK_PEN );
@@ -259,6 +402,19 @@ void wxPlotArea::OnPaint( wxPaintEvent &WXUNUSED(event) )
 
             node = node->Next();
         }
+        
+        dc.SetPen( *wxRED_PEN );
+        
+        node = m_owner->m_onOffCurves.First();
+        while (node)
+        {
+            wxPlotOnOffCurve *curve = (wxPlotOnOffCurve*) node->Data();
+            
+            DrawOnOffCurve( &dc, curve, update_x-1, update_x+update_width+2 );
+            
+            node = node->Next();
+        }
+        
         upd ++;
     }
 }
@@ -286,6 +442,7 @@ wxPlotXAxisArea::wxPlotXAxisArea( wxPlotWindow *parent )
     m_owner = parent;
     
     SetBackgroundColour( *wxWHITE );
+    SetFont( *wxSMALL_FONT );
 }
 
 void wxPlotXAxisArea::OnMouse( wxMouseEvent &event )
@@ -296,11 +453,11 @@ void wxPlotXAxisArea::OnMouse( wxMouseEvent &event )
     int view_x;
     int view_y;
     m_owner->GetViewStart( &view_x, &view_y );
-    view_x *= 10;
-    view_y *= 10;
+    view_x *= wxPLOT_SCROLL_STEP;
+    view_y *= wxPLOT_SCROLL_STEP;
     
-    int x = event.GetX();
-    int y = event.GetY();
+    wxCoord x = event.GetX();
+    wxCoord y = event.GetY();
     x += view_x;
     y += view_y;
     
@@ -312,8 +469,8 @@ void wxPlotXAxisArea::OnPaint( wxPaintEvent &WXUNUSED(event) )
     int view_x;
     int view_y;
     m_owner->GetViewStart( &view_x, &view_y );
-    view_x *= 10;
-    view_y *= 10;
+    view_x *= wxPLOT_SCROLL_STEP;
+    view_y *= wxPLOT_SCROLL_STEP;
 
     wxPaintDC dc( this );
     
@@ -374,8 +531,14 @@ void wxPlotXAxisArea::OnPaint( wxPaintEvent &WXUNUSED(event) )
         {
             dc.DrawLine( x, 5, x, 15 );
             wxString label;
-            if (range < 10)
-                label.Printf( wxT("%.1f"), current );
+            if (range < 50)
+            {
+                label.Printf( wxT("%f"), current );
+                while (label.Last() == wxT('0')) 
+                    label.RemoveLast();
+                if ((label.Last() == wxT('.')) || (label.Last() == wxT(',')))
+                    label.Append( wxT('0') );
+            }
             else
                 label.Printf( wxT("%d"), (int)floor(current) );
             dc.DrawText( label, x-4, 20 );
@@ -406,6 +569,7 @@ wxPlotYAxisArea::wxPlotYAxisArea( wxPlotWindow *parent )
     m_owner = parent;
     
     SetBackgroundColour( *wxWHITE );
+    SetFont( *wxSMALL_FONT );
 }
 
 void wxPlotYAxisArea::OnMouse( wxMouseEvent &WXUNUSED(event) )
@@ -473,7 +637,16 @@ void wxPlotYAxisArea::OnPaint( wxPaintEvent &WXUNUSED(event) )
         {
             dc.DrawLine( client_width-15, y, client_width-7, y );
             wxString label;
-            label.Printf( wxT("%.1f"), current );
+            if (range < 50)
+            {
+                label.Printf( wxT("%f"), current );
+                while (label.Last() == wxT('0')) 
+                    label.RemoveLast();
+                if ((label.Last() == wxT('.')) || (label.Last() == wxT(',')))
+                    label.Append( wxT('0') );
+            }
+            else
+                label.Printf( wxT("%d"), (int)floor(current) );
             dc.DrawText( label, 5, y-7 );
         }
 
@@ -519,6 +692,9 @@ wxPlotWindow::wxPlotWindow( wxWindow *parent, wxWindowID id, const wxPoint &pos,
 {
     m_xUnitsPerValue = 1.0;
     m_xZoom = 1.0;
+    
+    m_enlargeAroundWindowCentre = FALSE;
+    m_scrollOnThumbRelease = FALSE;
 
     m_area = new wxPlotArea( this );
     wxBoxSizer *mainsizer = new wxBoxSizer( wxHORIZONTAL );
@@ -646,6 +822,33 @@ wxPlotCurve *wxPlotWindow::GetCurrent()
     return m_current;
 }
 
+void wxPlotWindow::Add( wxPlotOnOffCurve *curve )
+{
+    m_onOffCurves.Append( curve );
+}
+
+void wxPlotWindow::Delete( wxPlotOnOffCurve* curve )
+{
+    wxNode *node = m_onOffCurves.Find( curve );
+    if (!node) return;
+    
+    m_onOffCurves.DeleteObject( curve );
+}
+
+size_t wxPlotWindow::GetOnOffCurveCount()
+{
+    return m_onOffCurves.GetCount();
+}
+
+wxPlotOnOffCurve *wxPlotWindow::GetOnOffCurveAt( size_t n )
+{
+    wxNode *node = m_onOffCurves.Nth( n );
+    if (!node)
+        return (wxPlotOnOffCurve*) NULL;
+        
+    return (wxPlotOnOffCurve*) node->Data();
+}
+
 void wxPlotWindow::Move( wxPlotCurve* curve, int pixels_up )
 {
     m_area->DeleteCurve( curve );
@@ -675,11 +878,29 @@ void wxPlotWindow::Enlarge( wxPlotCurve *curve, double factor )
 {
     m_area->DeleteCurve( curve );
     
+    int client_width;
+    int client_height;
+    m_area->GetClientSize( &client_width, &client_height);
+    double offset = (double)curve->GetOffsetY() / (double)client_height;
+    
     double range = curve->GetEndY() - curve->GetStartY();
+    offset *= range;
+    
     double new_range = range / factor;
-    double middle = curve->GetEndY() - range/2;
-    curve->SetStartY( middle - new_range / 2 );
-    curve->SetEndY( middle + new_range / 2 );
+    double new_offset = offset / factor;
+    
+    if (m_enlargeAroundWindowCentre)
+    {
+        double middle = curve->GetStartY() - offset + range/2;
+    
+        curve->SetStartY( middle - new_range / 2 + new_offset );
+        curve->SetEndY( middle + new_range / 2 + new_offset  );
+    }
+    else
+    {
+        curve->SetStartY( (curve->GetStartY() - offset)/factor + new_offset );
+        curve->SetEndY( (curve->GetEndY() - offset)/factor + new_offset );
+    }
     
     m_area->Refresh( FALSE );
     RedrawYAxis();
@@ -710,7 +931,10 @@ void wxPlotWindow::SetZoom( double zoom )
             max = curve->GetEndX();
         node = node->Next();
     }
-    SetScrollbars( 10, 10, (int)((max*m_xZoom)/10)+1, 0, (int)view_x*zoom/old_zoom, 0 );
+    SetScrollbars( wxPLOT_SCROLL_STEP, wxPLOT_SCROLL_STEP, 
+                   (int)((max*m_xZoom)/wxPLOT_SCROLL_STEP)+1, 0, 
+                   (int)(view_x*zoom/old_zoom), 0, 
+                   TRUE );
 
     RedrawXAxis();
     m_area->Refresh( TRUE );
@@ -728,7 +952,8 @@ void wxPlotWindow::ResetScrollbar()
         node = node->Next();
     }
     
-    SetScrollbars( 10, 10, ((max*m_xZoom)/10)+1, 0 );
+    SetScrollbars( wxPLOT_SCROLL_STEP, wxPLOT_SCROLL_STEP, 
+                   (int)(((max*m_xZoom)/wxPLOT_SCROLL_STEP)+1), 0 );
 }
 
 void wxPlotWindow::RedrawXAxis()
@@ -778,9 +1003,11 @@ void wxPlotWindow::OnShrink( wxCommandEvent& WXUNUSED(event) )
 
 void wxPlotWindow::OnScroll2( wxScrollWinEvent& event )
 {
-    wxScrolledWindow::OnScroll( event );
-    
-    RedrawXAxis();
+    if ((!m_scrollOnThumbRelease) || (event.GetEventType() != wxEVT_SCROLLWIN_THUMBTRACK))
+    {
+        wxScrolledWindow::OnScroll( event );
+        RedrawXAxis();
+    }
 }
 
 // ----------------------------------------------------------------------------
@@ -798,7 +1025,7 @@ static wxBitmap *GetEnlargeBitmap()
         s_loaded = TRUE; // set it to TRUE anyhow, we won't try again
 
         #if defined(__WXMSW__) || defined(__WXPM__)
-	    s_bitmap = new wxBitmap("plot_enl_bmp", wxBITMAP_TYPE_RESOURCE);
+            s_bitmap = new wxBitmap("plot_enl_bmp", wxBITMAP_TYPE_RESOURCE);
         #else
             s_bitmap = new wxBitmap( plot_enl_xpm );
         #endif
@@ -874,8 +1101,8 @@ static wxBitmap *GetUpBitmap()
         s_loaded = TRUE; // set it to TRUE anyhow, we won't try again
 
         #if defined(__WXMSW__) || defined(__WXPM__)
-	    s_bitmap = new wxBitmap("plot_up_bmp", wxBITMAP_TYPE_RESOURCE);
-        #else                               
+            s_bitmap = new wxBitmap("plot_up_bmp", wxBITMAP_TYPE_RESOURCE);
+        #else
             s_bitmap = new wxBitmap( plot_up_xpm );
         #endif
     }
@@ -901,3 +1128,5 @@ static wxBitmap *GetDownBitmap()
 
     return s_bitmap;
 }
+
+#endif // wxUSE_PLOT