+/////////////////////////////////////////////////////////////////////////////
+// Name: plot.cpp
+// Purpose: wxPlotWindow
+// Author: Robert Roebling
+// Modified by:
+// Created: 12/01/2000
+// RCS-ID: $Id$
+// Copyright: (c) Robert Roebling
+// Licence: wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma implementation "plot.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+#include "wx/object.h"
+#include "wx/font.h"
+#include "wx/colour.h"
+#include "wx/settings.h"
+#include "wx/sizer.h"
+#include "wx/log.h"
+#include "wx/intl.h"
+#include "wx/dcclient.h"
+#endif
+
+#include "wx/generic/plot.h"
+
+//-----------------------------------------------------------------------------
+// wxPlotCurve
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_ABSTRACT_CLASS(wxPlotCurve, wxObject)
+
+wxPlotCurve::wxPlotCurve( int offsetY )
+{
+ m_offsetY = offsetY;
+}
+
+//-----------------------------------------------------------------------------
+// wxPlotArea
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxPlotArea, wxWindow)
+
+BEGIN_EVENT_TABLE(wxPlotArea, wxWindow)
+ EVT_PAINT( wxPlotArea::OnPaint)
+ EVT_LEFT_DOWN( wxPlotArea::OnMouse)
+END_EVENT_TABLE()
+
+wxPlotArea::wxPlotArea( wxPlotWindow *parent )
+ : wxWindow( parent, -1, wxDefaultPosition, wxDefaultSize, wxSIMPLE_BORDER, "plotarea" )
+{
+ m_owner = parent;
+
+ SetBackgroundColour( *wxWHITE );
+}
+
+void wxPlotArea::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 *= 10;
+ view_y *= 10;
+
+ int x = event.GetX();
+ int y = event.GetY();
+ x += view_x;
+ y += view_y;
+
+ wxNode *node = m_owner->m_curves.First();
+ while (node)
+ {
+ wxPlotCurve *curve = (wxPlotCurve*)node->Data();
+
+ wxCoord offset_y = client_height - curve->GetOffsetY();
+
+ double dy = curve->GetY( x );
+ int curve_y = (wxCoord)(-dy * 100) + offset_y - 1;
+ if ((y-curve_y < 4) && (y-curve_y > -4))
+ {
+ m_owner->SetCurrent( curve );
+ return;
+ }
+
+ node = node->Next();
+ }
+}
+
+void wxPlotArea::OnPaint( wxPaintEvent &WXUNUSED(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 *= 10;
+ view_y *= 10;
+
+ wxPaintDC dc( this );
+ m_owner->PrepareDC( dc );
+
+ wxRegionIterator upd( GetUpdateRegion() );
+
+ while (upd)
+ {
+ int update_x = upd.GetX();
+ int update_y = upd.GetY();
+ int update_width = upd.GetWidth();
+
+ update_x += view_x;
+ update_y += view_y;
+
+ if (m_owner->m_current)
+ {
+ dc.SetPen( *wxLIGHT_GREY_PEN );
+ int base_line = client_height - m_owner->m_current->GetOffsetY();
+ dc.DrawLine( update_x-1, base_line-1, update_x+update_width+2, base_line-1 );
+ }
+
+ wxNode *node = m_owner->m_curves.First();
+ while (node)
+ {
+ wxPlotCurve *curve = (wxPlotCurve*)node->Data();
+
+ if (curve == m_owner->GetCurrent())
+ dc.SetPen( *wxBLACK_PEN );
+ else
+ dc.SetPen( *wxLIGHT_GREY_PEN );
+ wxCoord offset_y = client_height - curve->GetOffsetY();
+
+ int start_x = wxMax( update_x-1, curve->GetStartX() );
+ int end_x = wxMin( update_x+update_width+2, curve->GetEndX() );
+
+ wxCoord y=0,last_y=0;
+ for (int x = start_x; x < end_x; x++)
+ {
+ double dy = curve->GetY( x );
+ y = (wxCoord)(-dy * 100) + offset_y - 1;
+
+ if (x != start_x)
+ dc.DrawLine( x-1, last_y, x, y );
+
+ last_y = y;
+ }
+ node = node->Next();
+ }
+ upd ++;
+ }
+}
+
+//-----------------------------------------------------------------------------
+// wxPlotWindow
+//-----------------------------------------------------------------------------
+
+#define ID_ENLARGE_100 1000
+#define ID_ENLARGE_50 1001
+#define ID_SHRINK_33 1002
+#define ID_SHRINK_50 1003
+
+#define ID_MOVE_UP 1006
+#define ID_MOVE_DOWN 1007
+
+
+IMPLEMENT_DYNAMIC_CLASS(wxPlotWindow, wxScrolledWindow)
+
+BEGIN_EVENT_TABLE(wxPlotWindow, wxScrolledWindow)
+ EVT_PAINT( wxPlotWindow::OnPaint)
+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 );
+
+ 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 );
+
+ mainsizer->Add( buttonlist, 0, wxEXPAND );
+
+ mainsizer->Add( m_area, 1, wxEXPAND|wxLEFT, 50 );
+
+ SetAutoLayout( TRUE );
+ SetSizer( mainsizer );
+
+ SetTargetWindow( m_area );
+
+ SetBackgroundColour( *wxWHITE );
+
+ m_current = (wxPlotCurve*) NULL;
+}
+
+wxPlotWindow::~wxPlotWindow()
+{
+}
+
+void wxPlotWindow::Add( wxPlotCurve *curve )
+{
+ m_curves.Append( curve );
+ if (!m_current) m_current = curve;
+}
+
+size_t wxPlotWindow::GetCount()
+{
+ return m_curves.GetCount();
+}
+
+wxPlotCurve *wxPlotWindow::GetAt( size_t n )
+{
+ wxNode *node = m_curves.Nth( n );
+ if (!node)
+ return (wxPlotCurve*) NULL;
+
+ return (wxPlotCurve*) node->Data();
+}
+
+void wxPlotWindow::SetCurrent( wxPlotCurve* current )
+{
+ m_current = current;
+ m_area->Refresh( TRUE );
+
+ wxPoint pos( m_area->GetPosition() );
+
+ int client_width;
+ int client_height;
+ GetClientSize( &client_width, &client_height);
+ wxRect rect(pos.x-40,0,40,client_height);
+ Refresh(TRUE,&rect);
+}
+
+wxPlotCurve *wxPlotWindow::GetCurrent()
+{
+ return m_current;
+}
+
+void wxPlotWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
+{
+ wxPaintDC dc( this );
+
+ if (!m_current) return;
+
+ int client_width;
+ int client_height;
+ GetClientSize( &client_width, &client_height);
+
+ dc.SetPen( *wxBLACK_PEN );
+
+ wxPoint pos( m_area->GetPosition() );
+
+ 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 );
+
+ int y = client_height - m_current->GetOffsetY() - 1;
+ dc.DrawLine( pos.x-15, y, pos.x-7, y );
+}
+
projects / wxWidgets.git / commitdiff
