#pragma hdrstop
#endif
+#if wxUSE_PLOT
+
#ifndef WX_PRECOMP
#include "wx/object.h"
#include "wx/font.h"
#endif
#include "wx/generic/plot.h"
+#include "wx/bmpbuttn.h"
#include <math.h>
+// ----------------------------------------------------------------------------
+// XPMs
+// ----------------------------------------------------------------------------
+
+#if !defined(__WXMSW__) && !defined(__WXPM__)
+ #include "wx/generic/plot_enl.xpm"
+ #include "wx/generic/plot_shr.xpm"
+ #include "wx/generic/plot_zin.xpm"
+ #include "wx/generic/plot_zot.xpm"
+ #include "wx/generic/plot_up.xpm"
+ #include "wx/generic/plot_dwn.xpm"
+#endif
+
+// ----------------------------------------------------------------------------
+// accessor functions for the bitmaps (may return NULL, check for it!)
+// ----------------------------------------------------------------------------
+
+static wxBitmap *GetEnlargeBitmap();
+static wxBitmap *GetShrinkBitmap();
+static wxBitmap *GetZoomInBitmap();
+static wxBitmap *GetZoomOutBitmap();
+static wxBitmap *GetUpBitmap();
+static wxBitmap *GetDownBitmap();
+
+//-----------------------------------------------------------------------------
+// consts
+//-----------------------------------------------------------------------------
+
+#define wxPLOT_SCROLL_STEP 30
+
+//-----------------------------------------------------------------------------
+// wxPlotEvent
+//-----------------------------------------------------------------------------
+
+wxPlotEvent::wxPlotEvent( wxEventType commandType, int id )
+ : wxNotifyEvent( commandType, id )
+{
+ m_curve = (wxPlotCurve*) NULL;
+ m_zoom = 1.0;
+ m_position = 0;
+}
+
//-----------------------------------------------------------------------------
// wxPlotCurve
//-----------------------------------------------------------------------------
BEGIN_EVENT_TABLE(wxPlotArea, wxWindow)
EVT_PAINT( wxPlotArea::OnPaint)
EVT_LEFT_DOWN( wxPlotArea::OnMouse)
+ EVT_LEFT_DCLICK( wxPlotArea::OnMouse)
END_EVENT_TABLE()
wxPlotArea::wxPlotArea( wxPlotWindow *parent )
: wxWindow( parent, -1, wxDefaultPosition, wxDefaultSize, wxSIMPLE_BORDER, "plotarea" )
{
m_owner = parent;
+
+ m_zooming = FALSE;
SetBackgroundColour( *wxWHITE );
}
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;
double end = curve->GetEndY();
wxCoord offset_y = curve->GetOffsetY();
- double dy = (end - curve->GetY( x )) / 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))
{
- m_owner->SetCurrent( curve );
+ wxPlotEvent event1( event.ButtonDClick() ? wxEVT_PLOT_DOUBLECLICKED : wxEVT_PLOT_CLICKED, m_owner->GetId() );
+ event1.SetEventObject( m_owner );
+ event1.SetZoom( m_owner->GetZoom() );
+ event1.SetCurve( curve );
+ event1.SetPosition( (int)floor(x/m_owner->GetZoom()) );
+ m_owner->GetEventHandler()->ProcessEvent( event1 );
+
+ if (curve != m_owner->GetCurrent());
+ {
+ wxPlotEvent event2( wxEVT_PLOT_SEL_CHANGING, m_owner->GetId() );
+ event2.SetEventObject( m_owner );
+ event2.SetZoom( m_owner->GetZoom() );
+ event2.SetCurve( curve );
+ if (!m_owner->GetEventHandler()->ProcessEvent( event2 ) || event2.IsAllowed())
+ {
+ m_owner->SetCurrent( curve );
+ }
+ }
return;
}
}
}
-void wxPlotArea::OnPaint( wxPaintEvent &WXUNUSED(event) )
+void wxPlotArea::DeleteCurve( wxPlotCurve *curve, int from, int to )
{
+ wxClientDC dc(this);
+ m_owner->PrepareDC( dc );
+ dc.SetPen( *wxWHITE_PEN );
+ DrawCurve( &dc, curve, from, to );
+}
+
+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 *= 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++;
+
+ double double_client_height = (double)client_height;
+ double range = curve->GetEndY() - curve->GetStartY();
+ double end = curve->GetEndY();
+ wxCoord offset_y = curve->GetOffsetY();
+
+ wxCoord y=0,last_y=0;
+ for (int x = start_x; x < end_x; x++)
+ {
+ double dy = (end - curve->GetY( (wxInt32)(x/zoom) )) / range;
+ y = (wxCoord)(dy * double_client_height) - offset_y - 1;
+
+ if (x != start_x)
+ dc->DrawLine( x-1, last_y, x, y );
+
+ last_y = y;
+ }
+}
+
+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 );
if (curve == m_owner->GetCurrent())
dc.SetPen( *wxBLACK_PEN );
else
- dc.SetPen( *wxLIGHT_GREY_PEN );
+ dc.SetPen( *wxGREY_PEN );
+
+ DrawCurve( &dc, curve, update_x-1, update_x+update_width+2 );
- int start_x = wxMax( update_x-1, curve->GetStartX() );
- int end_x = wxMin( update_x+update_width+2, curve->GetEndX() );
-
- double double_client_height = (double)client_height;
- double range = curve->GetEndY() - curve->GetStartY();
- double end = curve->GetEndY();
- wxCoord offset_y = curve->GetOffsetY();
-
- wxCoord y=0,last_y=0;
- for (int x = start_x; x < end_x; x++)
- {
- double dy = (end - curve->GetY( x )) / range;
- y = (wxCoord)(dy * double_client_height) - offset_y - 1;
-
- if (x != start_x)
- dc.DrawLine( x-1, last_y, x, y );
-
- last_y = y;
- }
node = node->Next();
}
upd ++;
}
}
+void wxPlotArea::ScrollWindow( int dx, int dy, const wxRect *rect )
+{
+ wxWindow::ScrollWindow( dx, dy, rect );
+// m_owner->m_xaxis->ScrollWindow( dx, 0 );
+}
+
+//-----------------------------------------------------------------------------
+// wxPlotXAxisArea
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxPlotXAxisArea, wxWindow)
+
+BEGIN_EVENT_TABLE(wxPlotXAxisArea, wxWindow)
+ EVT_PAINT( wxPlotXAxisArea::OnPaint)
+ EVT_LEFT_DOWN( wxPlotXAxisArea::OnMouse)
+END_EVENT_TABLE()
+
+wxPlotXAxisArea::wxPlotXAxisArea( wxPlotWindow *parent )
+ : wxWindow( parent, -1, wxDefaultPosition, wxSize(-1,40), 0, "plotxaxisarea" )
+{
+ m_owner = parent;
+
+ SetBackgroundColour( *wxWHITE );
+ SetFont( *wxSMALL_FONT );
+}
+
+void wxPlotXAxisArea::OnMouse( wxMouseEvent &event )
+{
+ int client_width;
+ int client_height;
+ GetClientSize( &client_width, &client_height);
+ int view_x;
+ int view_y;
+ m_owner->GetViewStart( &view_x, &view_y );
+ view_x *= wxPLOT_SCROLL_STEP;
+ view_y *= wxPLOT_SCROLL_STEP;
+
+ wxCoord x = event.GetX();
+ wxCoord y = event.GetY();
+ x += view_x;
+ y += view_y;
+
+ /* do something here */
+}
+
+void wxPlotXAxisArea::OnPaint( wxPaintEvent &WXUNUSED(event) )
+{
+ int view_x;
+ int view_y;
+ m_owner->GetViewStart( &view_x, &view_y );
+ view_x *= wxPLOT_SCROLL_STEP;
+ view_y *= wxPLOT_SCROLL_STEP;
+
+ wxPaintDC dc( this );
+
+ int client_width;
+ int client_height;
+ GetClientSize( &client_width, &client_height);
+
+ double zoom = m_owner->GetZoom();
+
+ double ups = m_owner->GetUnitsPerValue() / zoom;
+
+ double start = view_x * ups;
+ double end = (view_x + client_width) * ups;
+ double range = end - start;
+
+ int int_log_range = (int)floor( log10( range ) );
+ double step = 1.0;
+ if (int_log_range > 0)
+ {
+ for (int i = 0; i < int_log_range; i++)
+ step *= 10;
+ }
+ if (int_log_range < 0)
+ {
+ for (int i = 0; i < -int_log_range; i++)
+ step /= 10;
+ }
+ double lower = ceil(start / step) * step;
+ double upper = floor(end / step) * step;
+
+ // if too few values, shrink size
+ if ((range/step) < 4)
+ {
+ step /= 2;
+ if (lower-step > start) lower -= step;
+ if (upper+step < end) upper += step;
+ }
+
+ // if still too few, again
+ if ((range/step) < 4)
+ {
+ step /= 2;
+ if (lower-step > start) lower -= step;
+ if (upper+step < end) upper += step;
+ }
+
+ dc.SetBrush( *wxWHITE_BRUSH );
+ dc.SetPen( *wxTRANSPARENT_PEN );
+ dc.DrawRectangle( 4, 5, client_width-14, 10 );
+ dc.DrawRectangle( 0, 20, client_width, 20 );
+ dc.SetPen( *wxBLACK_PEN );
+
+ double current = lower;
+ while (current < upper+(step/2))
+ {
+ int x = (int)ceil((current-start) / range * (double)client_width) - 1;
+ if ((x > 4) && (x < client_width-25))
+ {
+ dc.DrawLine( x, 5, x, 15 );
+ wxString label;
+ 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 );
+ }
+
+ current += step;
+ }
+
+ dc.DrawLine( 0, 15, client_width-8, 15 );
+ dc.DrawLine( client_width-4, 15, client_width-10, 10 );
+ dc.DrawLine( client_width-4, 15, client_width-10, 20 );
+}
+
+//-----------------------------------------------------------------------------
+// wxPlotYAxisArea
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxPlotYAxisArea, wxWindow)
+
+BEGIN_EVENT_TABLE(wxPlotYAxisArea, wxWindow)
+ EVT_PAINT( wxPlotYAxisArea::OnPaint)
+ EVT_LEFT_DOWN( wxPlotYAxisArea::OnMouse)
+END_EVENT_TABLE()
+
+wxPlotYAxisArea::wxPlotYAxisArea( wxPlotWindow *parent )
+ : wxWindow( parent, -1, wxDefaultPosition, wxSize(60,-1), 0, "plotyaxisarea" )
+{
+ m_owner = parent;
+
+ SetBackgroundColour( *wxWHITE );
+ SetFont( *wxSMALL_FONT );
+}
+
+void wxPlotYAxisArea::OnMouse( wxMouseEvent &WXUNUSED(event) )
+{
+ /* do something here */
+}
+
+void wxPlotYAxisArea::OnPaint( wxPaintEvent &WXUNUSED(event) )
+{
+ wxPaintDC dc( this );
+
+ wxPlotCurve *curve = m_owner->GetCurrent();
+
+ if (!curve) return;
+
+ int client_width;
+ int client_height;
+ GetClientSize( &client_width, &client_height);
+
+
+ double range = curve->GetEndY() - curve->GetStartY();
+ double offset = ((double) curve->GetOffsetY() / (double)client_height ) * range;
+ double start = curve->GetStartY() - offset;
+ double end = curve->GetEndY() - offset;
+
+ int int_log_range = (int)floor( log10( range ) );
+ double step = 1.0;
+ if (int_log_range > 0)
+ {
+ for (int i = 0; i < int_log_range; i++)
+ step *= 10;
+ }
+ if (int_log_range < 0)
+ {
+ for (int i = 0; i < -int_log_range; i++)
+ step /= 10;
+ }
+ double lower = ceil(start / step) * step;
+ double upper = floor(end / step) * step;
+
+ // if too few values, shrink size
+ if ((range/step) < 4)
+ {
+ step /= 2;
+ if (lower-step > start) lower -= step;
+ if (upper+step < end) upper += step;
+ }
+
+ // if still too few, again
+ if ((range/step) < 4)
+ {
+ step /= 2;
+ if (lower-step > start) lower -= step;
+ if (upper+step < end) upper += step;
+ }
+
+ dc.SetPen( *wxBLACK_PEN );
+
+ double current = lower;
+ while (current < upper+(step/2))
+ {
+ int y = (int)((curve->GetEndY()-current) / range * (double)client_height) - 1;
+ y -= curve->GetOffsetY();
+ if ((y > 10) && (y < client_height-7))
+ {
+ dc.DrawLine( client_width-15, y, client_width-7, y );
+ wxString label;
+ 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 );
+ }
+
+ current += step;
+ }
+
+ dc.DrawLine( client_width-15, 6, client_width-15, client_height );
+ dc.DrawLine( client_width-15, 2, client_width-20, 8 );
+ dc.DrawLine( client_width-15, 2, client_width-10, 8 );
+}
+
//-----------------------------------------------------------------------------
// wxPlotWindow
//-----------------------------------------------------------------------------
-#define ID_ENLARGE_100 1000
-#define ID_ENLARGE_50 1001
-#define ID_SHRINK_33 1002
-#define ID_SHRINK_50 1003
+#define ID_ENLARGE 1000
+#define ID_SHRINK 1002
#define ID_MOVE_UP 1006
#define ID_MOVE_DOWN 1007
+#define ID_ZOOM_IN 1010
+#define ID_ZOOM_OUT 1011
+
IMPLEMENT_DYNAMIC_CLASS(wxPlotWindow, wxScrolledWindow)
BEGIN_EVENT_TABLE(wxPlotWindow, wxScrolledWindow)
- EVT_PAINT( wxPlotWindow::OnPaint)
+ EVT_BUTTON( ID_MOVE_UP, wxPlotWindow::OnMoveUp)
+ EVT_BUTTON( ID_MOVE_DOWN, wxPlotWindow::OnMoveDown)
+
+ EVT_BUTTON( ID_ENLARGE, wxPlotWindow::OnEnlarge)
+ EVT_BUTTON( ID_SHRINK, wxPlotWindow::OnShrink)
+
+ EVT_BUTTON( ID_ZOOM_IN, wxPlotWindow::OnZoomIn)
+ EVT_BUTTON( ID_ZOOM_OUT, wxPlotWindow::OnZoomOut)
+
+ EVT_SCROLLWIN( wxPlotWindow::OnScroll2)
END_EVENT_TABLE()
wxPlotWindow::wxPlotWindow( wxWindow *parent, wxWindowID id, const wxPoint &pos, const wxSize &size, int flag )
: wxScrolledWindow( parent, id, pos, size, flag, "plotcanvas" )
{
- m_area = new wxPlotArea( this );
+ m_xUnitsPerValue = 1.0;
+ m_xZoom = 1.0;
+ m_enlargeAroundWindowCentre = FALSE;
+ m_scrollOnThumbRelease = FALSE;
+
+ m_area = new wxPlotArea( this );
wxBoxSizer *mainsizer = new wxBoxSizer( wxHORIZONTAL );
- wxBoxSizer *buttonlist = new wxBoxSizer( wxVERTICAL );
- buttonlist->Add( new wxButton( this, ID_ENLARGE_100, _("+ 100%") ), 0, wxEXPAND|wxALL, 5 );
- buttonlist->Add( new wxButton( this, ID_ENLARGE_50, _("+ 50%") ), 0, wxEXPAND|wxALL, 5 );
- buttonlist->Add( new wxButton( this, ID_SHRINK_33, _("- 33%") ), 0, wxEXPAND|wxALL, 5 );
- buttonlist->Add( new wxButton( this, ID_SHRINK_50, _("- 50%") ), 0, wxEXPAND|wxALL, 5 );
- buttonlist->Add( 20,20, 0 );
- buttonlist->Add( new wxButton( this, ID_MOVE_UP, _("Up") ), 0, wxEXPAND|wxALL, 5 );
- buttonlist->Add( new wxButton( this, ID_MOVE_DOWN, _("Down") ), 0, wxEXPAND|wxALL, 5 );
- buttonlist->Add( 20,20, 1 );
+ if ((GetWindowStyleFlag() & wxPLOT_BUTTON_ALL) != 0)
+ {
+ wxBoxSizer *buttonlist = new wxBoxSizer( wxVERTICAL );
+ if ((GetWindowStyleFlag() & wxPLOT_BUTTON_ENLARGE) != 0)
+ {
+ buttonlist->Add( new wxBitmapButton( this, ID_ENLARGE, *GetEnlargeBitmap() ), 0, wxEXPAND|wxALL, 2 );
+ buttonlist->Add( new wxBitmapButton( this, ID_SHRINK, *GetShrinkBitmap() ), 0, wxEXPAND|wxALL, 2 );
+ buttonlist->Add( 20,10, 0 );
+ }
+ if ((GetWindowStyleFlag() & wxPLOT_BUTTON_MOVE) != 0)
+ {
+ buttonlist->Add( new wxBitmapButton( this, ID_MOVE_UP, *GetUpBitmap() ), 0, wxEXPAND|wxALL, 2 );
+ buttonlist->Add( new wxBitmapButton( this, ID_MOVE_DOWN, *GetDownBitmap() ), 0, wxEXPAND|wxALL, 2 );
+ buttonlist->Add( 20,10, 0 );
+ }
+ if ((GetWindowStyleFlag() & wxPLOT_BUTTON_ZOOM) != 0)
+ {
+ buttonlist->Add( new wxBitmapButton( this, ID_ZOOM_IN, *GetZoomInBitmap() ), 0, wxEXPAND|wxALL, 2 );
+ buttonlist->Add( new wxBitmapButton( this, ID_ZOOM_OUT, *GetZoomOutBitmap() ), 0, wxEXPAND|wxALL, 2 );
+ }
+ mainsizer->Add( buttonlist, 0, wxEXPAND|wxALL, 4 );
+ }
+
+ wxBoxSizer *plotsizer = new wxBoxSizer( wxHORIZONTAL );
- mainsizer->Add( buttonlist, 0, wxEXPAND );
+ if ((GetWindowStyleFlag() & wxPLOT_Y_AXIS) != 0)
+ {
+ m_yaxis = new wxPlotYAxisArea( this );
+
+ wxBoxSizer *vert1 = new wxBoxSizer( wxVERTICAL );
+ plotsizer->Add( vert1, 0, wxEXPAND );
+ vert1->Add( m_yaxis, 1 );
+ if ((GetWindowStyleFlag() & wxPLOT_X_AXIS) != 0)
+ vert1->Add( 60, 40 );
+ }
+ else
+ {
+ m_yaxis = (wxPlotYAxisArea*) NULL;
+ }
- mainsizer->Add( m_area, 1, wxEXPAND|wxLEFT, 50 );
+ if ((GetWindowStyleFlag() & wxPLOT_X_AXIS) != 0)
+ {
+ m_xaxis = new wxPlotXAxisArea( this );
+
+ wxBoxSizer *vert2 = new wxBoxSizer( wxVERTICAL );
+ plotsizer->Add( vert2, 1, wxEXPAND );
+ vert2->Add( m_area, 1, wxEXPAND );
+ vert2->Add( m_xaxis, 0, wxEXPAND );
+ }
+ else
+ {
+ plotsizer->Add( m_area, 1, wxEXPAND );
+ m_xaxis = (wxPlotXAxisArea*) NULL;
+ }
+
+ mainsizer->Add( plotsizer, 1, wxEXPAND );
SetAutoLayout( TRUE );
SetSizer( mainsizer );
{
m_curves.Append( curve );
if (!m_current) m_current = curve;
+
+ ResetScrollbar();
}
size_t wxPlotWindow::GetCount()
m_current = current;
m_area->Refresh( FALSE );
- wxPoint pos( m_area->GetPosition() );
+ RedrawYAxis();
- int client_width;
- int client_height;
- GetClientSize( &client_width, &client_height);
- wxRect rect(pos.x-45,0,45,client_height);
- Refresh(TRUE,&rect);
+ wxPlotEvent event( wxEVT_PLOT_SEL_CHANGED, GetId() );
+ event.SetEventObject( this );
+ event.SetZoom( GetZoom() );
+ event.SetCurve( m_current );
+ 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;
}
-void wxPlotWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
+void wxPlotWindow::Move( wxPlotCurve* curve, int pixels_up )
{
- wxPaintDC dc( this );
+ m_area->DeleteCurve( curve );
+
+ curve->SetOffsetY( curve->GetOffsetY() + pixels_up );
+
+ m_area->Refresh( FALSE );
+
+ RedrawYAxis();
+}
+
+void wxPlotWindow::OnMoveUp( wxCommandEvent& WXUNUSED(event) )
+{
+ if (!m_current) return;
+ Move( m_current, 25 );
+}
+
+void wxPlotWindow::OnMoveDown( wxCommandEvent& WXUNUSED(event) )
+{
if (!m_current) return;
+ Move( m_current, -25 );
+}
+
+void wxPlotWindow::Enlarge( wxPlotCurve *curve, double factor )
+{
+ m_area->DeleteCurve( curve );
+
int client_width;
int client_height;
- GetClientSize( &client_width, &client_height);
-
- dc.SetPen( *wxBLACK_PEN );
+ m_area->GetClientSize( &client_width, &client_height);
+ double offset = (double)curve->GetOffsetY() / (double)client_height;
- wxPoint pos( m_area->GetPosition() );
+ double range = curve->GetEndY() - curve->GetStartY();
+ offset *= range;
- double range = m_current->GetEndY() - m_current->GetStartY();
- double offset = ((double) m_current->GetOffsetY() / (double)client_height ) * range;
- double start = m_current->GetStartY() - offset;
- double end = m_current->GetEndY() - offset;
- int int_log_range = (int)floor( log10( range ) );
- double step = 1.0;
- if (int_log_range > 0)
- {
- for (int i = 0; i < int_log_range; i++)
- step *= 10;
- }
- if (int_log_range < 0)
+ double new_range = range / factor;
+ double new_offset = offset / factor;
+
+ if (m_enlargeAroundWindowCentre)
{
- for (int i = 0; i < -int_log_range; i++)
- step /= 10;
+ double middle = curve->GetStartY() - offset + range/2;
+
+ curve->SetStartY( middle - new_range / 2 + new_offset );
+ curve->SetEndY( middle + new_range / 2 + new_offset );
}
- double lower = ceil(start / step) * step;
- double upper = floor(end / step) * step;
- int steps = (int)ceil((upper-lower)/step);
- if (steps < 3)
+ else
{
- step /= 2;
- if (lower-step > start) lower -= step;
+ curve->SetStartY( (curve->GetStartY() - offset)/factor + new_offset );
+ curve->SetEndY( (curve->GetEndY() - offset)/factor + new_offset );
}
- double current = lower;
- while (current < upper+(step/2))
+ m_area->Refresh( FALSE );
+ RedrawYAxis();
+}
+
+void wxPlotWindow::SetUnitsPerValue( double upv )
+{
+ m_xUnitsPerValue = upv;
+
+ RedrawXAxis();
+}
+
+void wxPlotWindow::SetZoom( double zoom )
+{
+ double old_zoom = m_xZoom;
+ m_xZoom = zoom;
+
+ int view_x = 0;
+ int view_y = 0;
+ GetViewStart( &view_x, &view_y );
+
+ wxInt32 max = 0;
+ wxNode *node = m_curves.First();
+ while (node)
{
- int y = (int)((m_current->GetEndY()-current) / range * (double)client_height) - 1;
- y -= m_current->GetOffsetY();
- if ((y > 10) && (y < client_height-7))
- {
- dc.DrawLine( pos.x-15, y, pos.x-7, y );
- wxString label;
- label.Printf( "%.1f", current );
- dc.DrawText( label, pos.x-45, y-7 );
- }
+ wxPlotCurve *curve = (wxPlotCurve*) node->Data();
+ if (curve->GetEndX() > max)
+ max = curve->GetEndX();
+ node = node->Next();
+ }
+ SetScrollbars( wxPLOT_SCROLL_STEP, wxPLOT_SCROLL_STEP,
+ (int)((max*m_xZoom)/wxPLOT_SCROLL_STEP)+1, 0,
+ (int)(view_x*zoom/old_zoom), 0,
+ TRUE );
- current += step;
+ RedrawXAxis();
+ m_area->Refresh( TRUE );
+}
+
+void wxPlotWindow::ResetScrollbar()
+{
+ wxInt32 max = 0;
+ wxNode *node = m_curves.First();
+ while (node)
+ {
+ wxPlotCurve *curve = (wxPlotCurve*) node->Data();
+ if (curve->GetEndX() > max)
+ max = curve->GetEndX();
+ node = node->Next();
}
- dc.DrawLine( pos.x-15, 5, pos.x-15, client_height-5 );
- dc.DrawLine( pos.x-19, 9, pos.x-15, 5 );
- dc.DrawLine( pos.x-10, 10, pos.x-15, 5 );
+ SetScrollbars( wxPLOT_SCROLL_STEP, wxPLOT_SCROLL_STEP,
+ (int)(((max*m_xZoom)/wxPLOT_SCROLL_STEP)+1), 0 );
+}
+
+void wxPlotWindow::RedrawXAxis()
+{
+ if (m_xaxis)
+ m_xaxis->Refresh( FALSE );
+}
+
+void wxPlotWindow::RedrawYAxis()
+{
+ if (m_yaxis)
+ m_yaxis->Refresh( TRUE );
+}
+
+void wxPlotWindow::RedrawEverything()
+{
+ if (m_xaxis)
+ m_xaxis->Refresh( TRUE );
+ if (m_yaxis)
+ m_yaxis->Refresh( TRUE );
+ m_area->Refresh( TRUE );
+}
+
+void wxPlotWindow::OnZoomIn( wxCommandEvent& WXUNUSED(event) )
+{
+ SetZoom( m_xZoom * 1.5 );
+}
+
+void wxPlotWindow::OnZoomOut( wxCommandEvent& WXUNUSED(event) )
+{
+ SetZoom( m_xZoom * 0.6666 );
+}
+
+void wxPlotWindow::OnEnlarge( wxCommandEvent& WXUNUSED(event) )
+{
+ if (!m_current) return;
+ Enlarge( m_current, 1.5 );
+}
+
+void wxPlotWindow::OnShrink( wxCommandEvent& WXUNUSED(event) )
+{
+ if (!m_current) return;
+
+ Enlarge( m_current, 0.6666666 );
+}
+
+void wxPlotWindow::OnScroll2( wxScrollWinEvent& event )
+{
+ if ((!m_scrollOnThumbRelease) || (event.GetEventType() != wxEVT_SCROLLWIN_THUMBTRACK))
+ {
+ wxScrolledWindow::OnScroll( event );
+ RedrawXAxis();
+ }
+}
+
+// ----------------------------------------------------------------------------
+// global functions
+// ----------------------------------------------------------------------------
+
+// FIXME MT-UNSAFE
+static wxBitmap *GetEnlargeBitmap()
+{
+ static wxBitmap* s_bitmap = (wxBitmap *) NULL;
+ static bool s_loaded = FALSE;
+
+ if ( !s_loaded )
+ {
+ 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);
+ #else
+ s_bitmap = new wxBitmap( plot_enl_xpm );
+ #endif
+ }
+
+ return s_bitmap;
+}
+
+static wxBitmap *GetShrinkBitmap()
+{
+ static wxBitmap* s_bitmap = (wxBitmap *) NULL;
+ static bool s_loaded = FALSE;
+
+ if ( !s_loaded )
+ {
+ 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);
+ #else
+ s_bitmap = new wxBitmap( plot_shr_xpm );
+ #endif
+ }
+
+ return s_bitmap;
+}
+
+static wxBitmap *GetZoomInBitmap()
+{
+ static wxBitmap* s_bitmap = (wxBitmap *) NULL;
+ static bool s_loaded = FALSE;
+
+ if ( !s_loaded )
+ {
+ 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);
+ #else
+ s_bitmap = new wxBitmap( plot_zin_xpm );
+ #endif
+ }
+
+ return s_bitmap;
+}
+
+static wxBitmap *GetZoomOutBitmap()
+{
+ static wxBitmap* s_bitmap = (wxBitmap *) NULL;
+ static bool s_loaded = FALSE;
+
+ if ( !s_loaded )
+ {
+ 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);
+ #else
+ s_bitmap = new wxBitmap( plot_zot_xpm );
+ #endif
+ }
+
+ return s_bitmap;
+}
+
+static wxBitmap *GetUpBitmap()
+{
+ static wxBitmap* s_bitmap = (wxBitmap *) NULL;
+ static bool s_loaded = FALSE;
+
+ if ( !s_loaded )
+ {
+ 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_xpm );
+ #endif
+ }
+
+ return s_bitmap;
+}
+
+static wxBitmap *GetDownBitmap()
+{
+ static wxBitmap* s_bitmap = (wxBitmap *) NULL;
+ static bool s_loaded = FALSE;
+
+ if ( !s_loaded )
+ {
+ 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);
+ #else
+ s_bitmap = new wxBitmap( plot_dwn_xpm );
+ #endif
+ }
+
+ return s_bitmap;
}
+#endif // wxUSE_PLOT
projects / wxWidgets.git / blobdiff