SCROLLWIN instead of SCROLL again

[wxWidgets.git] / src / generic / plot.cpp

diff --git a/src/generic/plot.cpp b/src/generic/plot.cpp
index 0da3f4ec7950fac6a37592246b2586f8e6498d49..46ded83bd83690ec760cf4883c4afd4bd7540824 100644 (file)
--- a/src/generic/plot.cpp
+++ b/src/generic/plot.cpp
@@ -60,6 +60,12 @@ static wxBitmap *GetZoomOutBitmap();
 static wxBitmap *GetUpBitmap();
 static wxBitmap *GetDownBitmap();
 
 static wxBitmap *GetUpBitmap();
 static wxBitmap *GetDownBitmap();
 

+//-----------------------------------------------------------------------------
+// consts
+//-----------------------------------------------------------------------------
+
+#define wxPLOT_SCROLL_STEP  30
+

 //-----------------------------------------------------------------------------
 // wxPlotEvent
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // wxPlotEvent
 //-----------------------------------------------------------------------------


@@ -115,8 +121,8 @@ void wxPlotArea::OnMouse( wxMouseEvent &event )
     int view_x;
     int view_y;
     m_owner->GetViewStart( &view_x, &view_y );
     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();
     
     int x = event.GetX();
     int y = event.GetY();


@@ -176,7 +182,7 @@ void wxPlotArea::DrawCurve( wxDC *dc, wxPlotCurve *curve, int from, int to )
     int view_x;
     int view_y;
     m_owner->GetViewStart( &view_x, &view_y );
     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;
     
     if (from == -1)
         from = view_x;


@@ -187,6 +193,8 @@ void wxPlotArea::DrawCurve( wxDC *dc, wxPlotCurve *curve, int from, int to )
     
     if (to == -1)
         to = view_x + client_width;
     
     if (to == -1)
         to = view_x + client_width;

+        
+    to += 2;  // no idea why this is needed

 
     double zoom = m_owner->GetZoom();
 
 
     double zoom = m_owner->GetZoom();
 


@@ -219,8 +227,8 @@ void wxPlotArea::OnPaint( wxPaintEvent &WXUNUSED(event) )
     int view_x;
     int view_y;
     m_owner->GetViewStart( &view_x, &view_y );
     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 );
 
     wxPaintDC dc( this );
     m_owner->PrepareDC( dc );


@@ -286,6 +294,7 @@ wxPlotXAxisArea::wxPlotXAxisArea( wxPlotWindow *parent )
     m_owner = parent;
     
     SetBackgroundColour( *wxWHITE );
     m_owner = parent;
     
     SetBackgroundColour( *wxWHITE );

+    SetFont( *wxSMALL_FONT );

 }
 
 void wxPlotXAxisArea::OnMouse( wxMouseEvent &event )
 }
 
 void wxPlotXAxisArea::OnMouse( wxMouseEvent &event )


@@ -296,8 +305,8 @@ void wxPlotXAxisArea::OnMouse( wxMouseEvent &event )
     int view_x;
     int view_y;
     m_owner->GetViewStart( &view_x, &view_y );
     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();
     
     int x = event.GetX();
     int y = event.GetY();


@@ -312,8 +321,8 @@ void wxPlotXAxisArea::OnPaint( wxPaintEvent &WXUNUSED(event) )
     int view_x;
     int view_y;
     m_owner->GetViewStart( &view_x, &view_y );
     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 );
     
 
     wxPaintDC dc( this );
     


@@ -374,8 +383,14 @@ void wxPlotXAxisArea::OnPaint( wxPaintEvent &WXUNUSED(event) )
         {
             dc.DrawLine( x, 5, x, 15 );
             wxString label;
         {
             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 );
             else
                 label.Printf( wxT("%d"), (int)floor(current) );
             dc.DrawText( label, x-4, 20 );


@@ -406,6 +421,7 @@ wxPlotYAxisArea::wxPlotYAxisArea( wxPlotWindow *parent )
     m_owner = parent;
     
     SetBackgroundColour( *wxWHITE );
     m_owner = parent;
     
     SetBackgroundColour( *wxWHITE );

+    SetFont( *wxSMALL_FONT );

 }
 
 void wxPlotYAxisArea::OnMouse( wxMouseEvent &WXUNUSED(event) )
 }
 
 void wxPlotYAxisArea::OnMouse( wxMouseEvent &WXUNUSED(event) )


@@ -473,7 +489,16 @@ void wxPlotYAxisArea::OnPaint( wxPaintEvent &WXUNUSED(event) )
         {
             dc.DrawLine( client_width-15, y, client_width-7, y );
             wxString label;
         {
             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 );
         }
 
             dc.DrawText( label, 5, y-7 );
         }
 


@@ -519,6 +544,9 @@ wxPlotWindow::wxPlotWindow( wxWindow *parent, wxWindowID id, const wxPoint &pos,
 {
     m_xUnitsPerValue = 1.0;
     m_xZoom = 1.0;
 {
     m_xUnitsPerValue = 1.0;
     m_xZoom = 1.0;

+    
+    m_enlargeAroundWindowCentre = FALSE;
+    m_scrollOnThumbRelease = FALSE;

 
     m_area = new wxPlotArea( this );
     wxBoxSizer *mainsizer = new wxBoxSizer( wxHORIZONTAL );
 
     m_area = new wxPlotArea( this );
     wxBoxSizer *mainsizer = new wxBoxSizer( wxHORIZONTAL );


@@ -630,6 +658,17 @@ void wxPlotWindow::SetCurrent( wxPlotCurve* current )
     GetEventHandler()->ProcessEvent( event );
 }
 
     GetEventHandler()->ProcessEvent( event );
 }
 

+void wxPlotWindow::Delete( wxPlotCurve* curve )
+{
+    wxNode *node = m_curves.Find( curve );
+    if (!node) return;
+    
+    m_curves.DeleteObject( curve );
+    
+    m_area->DeleteCurve( curve );
+    m_area->Refresh( FALSE );
+}
+

 wxPlotCurve *wxPlotWindow::GetCurrent()
 {
     return m_current;
 wxPlotCurve *wxPlotWindow::GetCurrent()
 {
     return m_current;


@@ -664,11 +703,29 @@ void wxPlotWindow::Enlarge( wxPlotCurve *curve, double factor )
 {
     m_area->DeleteCurve( curve );
     
 {
     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();
     double range = curve->GetEndY() - curve->GetStartY();

+    offset *= range;
+    

     double new_range = range / factor;
     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();
     
     m_area->Refresh( FALSE );
     RedrawYAxis();


@@ -699,7 +756,10 @@ void wxPlotWindow::SetZoom( double zoom )
             max = curve->GetEndX();
         node = node->Next();
     }
             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 );
 
     RedrawXAxis();
     m_area->Refresh( TRUE );


@@ -717,7 +777,8 @@ void wxPlotWindow::ResetScrollbar()
         node = node->Next();
     }
     
         node = node->Next();
     }
     

-    SetScrollbars( 10, 10, ((max*m_xZoom)/10)+1, 0 );
+    SetScrollbars( wxPLOT_SCROLL_STEP, wxPLOT_SCROLL_STEP, 
+                   ((max*m_xZoom)/wxPLOT_SCROLL_STEP)+1, 0 );

 }
 
 void wxPlotWindow::RedrawXAxis()
 }
 
 void wxPlotWindow::RedrawXAxis()


@@ -767,9 +828,11 @@ void wxPlotWindow::OnShrink( wxCommandEvent& WXUNUSED(event) )
 
 void wxPlotWindow::OnScroll2( wxScrollWinEvent& event )
 {
 
 void wxPlotWindow::OnScroll2( wxScrollWinEvent& event )
 {

-    wxScrolledWindow::OnScroll( event );
-    
-    RedrawXAxis();
+    if ((!m_scrollOnThumbRelease) || (event.GetEventType() != wxEVT_SCROLLWIN_THUMBTRACK))
+    {
+        wxScrolledWindow::OnScroll( event );
+        RedrawXAxis();
+    }

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -787,7 +850,7 @@ static wxBitmap *GetEnlargeBitmap()
         s_loaded = TRUE; // set it to TRUE anyhow, we won't try again
 
         #if defined(__WXMSW__) || defined(__WXPM__)
         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
         #else
             s_bitmap = new wxBitmap( plot_enl_xpm );
         #endif


@@ -806,7 +869,7 @@ static wxBitmap *GetShrinkBitmap()
         s_loaded = TRUE; // set it to TRUE anyhow, we won't try again
 
         #if defined(__WXMSW__) || defined(__WXPM__)
         s_loaded = TRUE; // set it to TRUE anyhow, we won't try again
 
         #if defined(__WXMSW__) || defined(__WXPM__)

-            s_bitmap = new wxBitmap("plot_shr.bmp", wxBITMAP_TYPE_RESOURCE);
+            s_bitmap = new wxBitmap("plot_shr_bmp", wxBITMAP_TYPE_RESOURCE);

         #else
             s_bitmap = new wxBitmap( plot_shr_xpm );
         #endif
         #else
             s_bitmap = new wxBitmap( plot_shr_xpm );
         #endif


@@ -825,7 +888,7 @@ static wxBitmap *GetZoomInBitmap()
         s_loaded = TRUE; // set it to TRUE anyhow, we won't try again
 
         #if defined(__WXMSW__) || defined(__WXPM__)
         s_loaded = TRUE; // set it to TRUE anyhow, we won't try again
 
         #if defined(__WXMSW__) || defined(__WXPM__)

-            s_bitmap = new wxBitmap("plot_zin.bmp", wxBITMAP_TYPE_RESOURCE);
+            s_bitmap = new wxBitmap("plot_zin_bmp", wxBITMAP_TYPE_RESOURCE);

         #else
             s_bitmap = new wxBitmap( plot_zin_xpm );
         #endif
         #else
             s_bitmap = new wxBitmap( plot_zin_xpm );
         #endif


@@ -844,7 +907,7 @@ static wxBitmap *GetZoomOutBitmap()
         s_loaded = TRUE; // set it to TRUE anyhow, we won't try again
 
         #if defined(__WXMSW__) || defined(__WXPM__)
         s_loaded = TRUE; // set it to TRUE anyhow, we won't try again
 
         #if defined(__WXMSW__) || defined(__WXPM__)

-            s_bitmap = new wxBitmap("plot_zot.bmp", wxBITMAP_TYPE_RESOURCE);
+            s_bitmap = new wxBitmap("plot_zot_bmp", wxBITMAP_TYPE_RESOURCE);

         #else
             s_bitmap = new wxBitmap( plot_zot_xpm );
         #endif
         #else
             s_bitmap = new wxBitmap( plot_zot_xpm );
         #endif


@@ -863,7 +926,7 @@ static wxBitmap *GetUpBitmap()
         s_loaded = TRUE; // set it to TRUE anyhow, we won't try again
 
         #if defined(__WXMSW__) || defined(__WXPM__)
         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);
+            s_bitmap = new wxBitmap("plot_up_bmp", wxBITMAP_TYPE_RESOURCE);

         #else
             s_bitmap = new wxBitmap( plot_up_xpm );
         #endif
         #else
             s_bitmap = new wxBitmap( plot_up_xpm );
         #endif


@@ -882,7 +945,7 @@ static wxBitmap *GetDownBitmap()
         s_loaded = TRUE; // set it to TRUE anyhow, we won't try again
 
         #if defined(__WXMSW__) || defined(__WXPM__)
         s_loaded = TRUE; // set it to TRUE anyhow, we won't try again
 
         #if defined(__WXMSW__) || defined(__WXPM__)

-            s_bitmap = new wxBitmap("plot_dwn.bmp", wxBITMAP_TYPE_RESOURCE);
+            s_bitmap = new wxBitmap("plot_dwn_bmp", wxBITMAP_TYPE_RESOURCE);

         #else
             s_bitmap = new wxBitmap( plot_dwn_xpm );
         #endif
         #else
             s_bitmap = new wxBitmap( plot_dwn_xpm );
         #endif