Add draft wxPlotWindow
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5483 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
278
src/generic/plot.cpp
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278
src/generic/plot.cpp
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/////////////////////////////////////////////////////////////////////////////
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// Name: plot.cpp
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// Purpose: wxPlotWindow
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// Author: Robert Roebling
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// Modified by:
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// Created: 12/01/2000
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// RCS-ID: $Id$
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// Copyright: (c) Robert Roebling
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "plot.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/object.h"
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#include "wx/font.h"
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#include "wx/colour.h"
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#include "wx/settings.h"
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#include "wx/sizer.h"
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#include "wx/log.h"
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#include "wx/intl.h"
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#include "wx/dcclient.h"
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#endif
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#include "wx/generic/plot.h"
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//-----------------------------------------------------------------------------
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// wxPlotCurve
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//-----------------------------------------------------------------------------
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IMPLEMENT_ABSTRACT_CLASS(wxPlotCurve, wxObject)
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wxPlotCurve::wxPlotCurve( int offsetY )
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{
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m_offsetY = offsetY;
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}
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//-----------------------------------------------------------------------------
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// wxPlotArea
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//-----------------------------------------------------------------------------
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IMPLEMENT_DYNAMIC_CLASS(wxPlotArea, wxWindow)
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BEGIN_EVENT_TABLE(wxPlotArea, wxWindow)
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EVT_PAINT( wxPlotArea::OnPaint)
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EVT_LEFT_DOWN( wxPlotArea::OnMouse)
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END_EVENT_TABLE()
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wxPlotArea::wxPlotArea( wxPlotWindow *parent )
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: wxWindow( parent, -1, wxDefaultPosition, wxDefaultSize, wxSIMPLE_BORDER, "plotarea" )
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{
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m_owner = parent;
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SetBackgroundColour( *wxWHITE );
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}
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void wxPlotArea::OnMouse( wxMouseEvent &event )
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{
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int client_width;
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int client_height;
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GetClientSize( &client_width, &client_height);
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int view_x;
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int view_y;
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m_owner->GetViewStart( &view_x, &view_y );
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view_x *= 10;
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view_y *= 10;
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int x = event.GetX();
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int y = event.GetY();
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x += view_x;
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y += view_y;
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wxNode *node = m_owner->m_curves.First();
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while (node)
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{
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wxPlotCurve *curve = (wxPlotCurve*)node->Data();
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wxCoord offset_y = client_height - curve->GetOffsetY();
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double dy = curve->GetY( x );
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int curve_y = (wxCoord)(-dy * 100) + offset_y - 1;
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if ((y-curve_y < 4) && (y-curve_y > -4))
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{
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m_owner->SetCurrent( curve );
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return;
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}
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node = node->Next();
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}
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}
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void wxPlotArea::OnPaint( wxPaintEvent &WXUNUSED(event) )
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{
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int client_width;
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int client_height;
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GetClientSize( &client_width, &client_height);
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int view_x;
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int view_y;
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m_owner->GetViewStart( &view_x, &view_y );
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view_x *= 10;
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view_y *= 10;
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wxPaintDC dc( this );
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m_owner->PrepareDC( dc );
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wxRegionIterator upd( GetUpdateRegion() );
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while (upd)
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{
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int update_x = upd.GetX();
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int update_y = upd.GetY();
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int update_width = upd.GetWidth();
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update_x += view_x;
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update_y += view_y;
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if (m_owner->m_current)
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{
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dc.SetPen( *wxLIGHT_GREY_PEN );
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int base_line = client_height - m_owner->m_current->GetOffsetY();
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dc.DrawLine( update_x-1, base_line-1, update_x+update_width+2, base_line-1 );
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}
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wxNode *node = m_owner->m_curves.First();
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while (node)
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{
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wxPlotCurve *curve = (wxPlotCurve*)node->Data();
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if (curve == m_owner->GetCurrent())
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dc.SetPen( *wxBLACK_PEN );
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else
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dc.SetPen( *wxLIGHT_GREY_PEN );
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wxCoord offset_y = client_height - curve->GetOffsetY();
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int start_x = wxMax( update_x-1, curve->GetStartX() );
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int end_x = wxMin( update_x+update_width+2, curve->GetEndX() );
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wxCoord y=0,last_y=0;
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for (int x = start_x; x < end_x; x++)
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{
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double dy = curve->GetY( x );
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y = (wxCoord)(-dy * 100) + offset_y - 1;
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if (x != start_x)
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dc.DrawLine( x-1, last_y, x, y );
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last_y = y;
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}
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node = node->Next();
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}
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upd ++;
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}
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}
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//-----------------------------------------------------------------------------
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// wxPlotWindow
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//-----------------------------------------------------------------------------
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#define ID_ENLARGE_100 1000
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#define ID_ENLARGE_50 1001
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#define ID_SHRINK_33 1002
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#define ID_SHRINK_50 1003
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#define ID_MOVE_UP 1006
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#define ID_MOVE_DOWN 1007
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IMPLEMENT_DYNAMIC_CLASS(wxPlotWindow, wxScrolledWindow)
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BEGIN_EVENT_TABLE(wxPlotWindow, wxScrolledWindow)
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EVT_PAINT( wxPlotWindow::OnPaint)
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END_EVENT_TABLE()
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wxPlotWindow::wxPlotWindow( wxWindow *parent, wxWindowID id, const wxPoint &pos, const wxSize &size, int flag )
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: wxScrolledWindow( parent, id, pos, size, flag, "plotcanvas" )
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{
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m_area = new wxPlotArea( this );
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wxBoxSizer *mainsizer = new wxBoxSizer( wxHORIZONTAL );
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wxBoxSizer *buttonlist = new wxBoxSizer( wxVERTICAL );
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buttonlist->Add( new wxButton( this, ID_ENLARGE_100, _("+ 100%") ), 0, wxEXPAND|wxALL, 5 );
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buttonlist->Add( new wxButton( this, ID_ENLARGE_50, _("+ 50%") ), 0, wxEXPAND|wxALL, 5 );
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buttonlist->Add( new wxButton( this, ID_SHRINK_33, _("- 33%") ), 0, wxEXPAND|wxALL, 5 );
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buttonlist->Add( new wxButton( this, ID_SHRINK_50, _("- 50%") ), 0, wxEXPAND|wxALL, 5 );
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buttonlist->Add( 20,20, 0 );
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buttonlist->Add( new wxButton( this, ID_MOVE_UP, _("Up") ), 0, wxEXPAND|wxALL, 5 );
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buttonlist->Add( new wxButton( this, ID_MOVE_DOWN, _("Down") ), 0, wxEXPAND|wxALL, 5 );
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buttonlist->Add( 20,20, 1 );
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mainsizer->Add( buttonlist, 0, wxEXPAND );
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mainsizer->Add( m_area, 1, wxEXPAND|wxLEFT, 50 );
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SetAutoLayout( TRUE );
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SetSizer( mainsizer );
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SetTargetWindow( m_area );
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SetBackgroundColour( *wxWHITE );
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m_current = (wxPlotCurve*) NULL;
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}
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wxPlotWindow::~wxPlotWindow()
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{
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}
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void wxPlotWindow::Add( wxPlotCurve *curve )
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{
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m_curves.Append( curve );
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if (!m_current) m_current = curve;
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}
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size_t wxPlotWindow::GetCount()
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{
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return m_curves.GetCount();
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}
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wxPlotCurve *wxPlotWindow::GetAt( size_t n )
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{
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wxNode *node = m_curves.Nth( n );
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if (!node)
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return (wxPlotCurve*) NULL;
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return (wxPlotCurve*) node->Data();
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}
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void wxPlotWindow::SetCurrent( wxPlotCurve* current )
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{
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m_current = current;
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m_area->Refresh( TRUE );
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wxPoint pos( m_area->GetPosition() );
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int client_width;
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int client_height;
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GetClientSize( &client_width, &client_height);
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wxRect rect(pos.x-40,0,40,client_height);
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Refresh(TRUE,&rect);
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}
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wxPlotCurve *wxPlotWindow::GetCurrent()
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{
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return m_current;
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}
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void wxPlotWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
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{
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wxPaintDC dc( this );
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if (!m_current) return;
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int client_width;
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int client_height;
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GetClientSize( &client_width, &client_height);
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dc.SetPen( *wxBLACK_PEN );
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wxPoint pos( m_area->GetPosition() );
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dc.DrawLine( pos.x-15, 5, pos.x-15, client_height-5 );
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dc.DrawLine( pos.x-19, 9, pos.x-15, 5 );
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dc.DrawLine( pos.x-10, 10, pos.x-15, 5 );
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int y = client_height - m_current->GetOffsetY() - 1;
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dc.DrawLine( pos.x-15, y, pos.x-7, y );
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}
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