X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/846e1424e2f563b699e7fcb81d10cf6f2246487f..7c1cb261228c78cac34ee9f0b08e2674b07c37ee:/src/generic/plot.cpp diff --git a/src/generic/plot.cpp b/src/generic/plot.cpp index 6cace8f2eb..9d363e9880 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" @@ -32,9 +34,52 @@ #endif #include "wx/generic/plot.h" +#include "wx/bmpbuttn.h" #include +// ---------------------------------------------------------------------------- +// 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 //----------------------------------------------------------------------------- @@ -57,12 +102,15 @@ IMPLEMENT_DYNAMIC_CLASS(wxPlotArea, wxWindow) 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 ); } @@ -75,11 +123,11 @@ 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; @@ -93,12 +141,29 @@ void wxPlotArea::OnMouse( wxMouseEvent &event ) 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; } @@ -106,16 +171,66 @@ void wxPlotArea::OnMouse( wxMouseEvent &event ) } } -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 ); @@ -148,72 +263,352 @@ void wxPlotArea::OnPaint( wxPaintEvent &WXUNUSED(event) ) 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 ); @@ -233,6 +628,8 @@ void wxPlotWindow::Add( wxPlotCurve *curve ) { m_curves.Append( curve ); if (!m_current) m_current = curve; + + ResetScrollbar(); } size_t wxPlotWindow::GetCount() @@ -254,13 +651,24 @@ void wxPlotWindow::SetCurrent( wxPlotCurve* current ) 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() @@ -268,64 +676,284 @@ 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