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625 lines
18 KiB
C++
625 lines
18 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: spinctld.h
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// Author: John Labenski
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// Created: 11/05/02
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// Copyright: John Labenski, 2002
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// License: wxWidgets
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/////////////////////////////////////////////////////////////////////////////
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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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#pragma implementation "spinctld.h"
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#endif
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// For compilers that support precompilation, includes "wx/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/valtext.h" // for wxTextValidator
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#include "wx/textctrl.h"
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#endif // WX_PRECOMP
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#include "wx/things/spinctld.h"
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#include <math.h>
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#if wxCHECK_VERSION(2,5,0)
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#include "wx/math.h"
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#else
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#if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
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#include <float.h>
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#define wxFinite(x) _finite(x)
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#elif defined(__GNUG__)||defined(__GNUWIN32__)||defined(__DJGPP__)|| \
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defined(__SGI_CC__)||defined(__SUNCC__)||defined(__XLC__)|| \
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defined(__HPUX__)||defined(__MWERKS__)
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#define wxFinite(x) finite(x)
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#else
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#define wxFinite(x) ((x) == (x))
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#endif
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#endif // wxCHECK_VERSION(2,5,0)
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// NOTES : if the textctrl is focused and the program is ending, a killfocus
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// event is sent in MSW, this is why m_textCtrl is set to NULL in it's
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// destructor and there's so many checks for it not being NULL
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//----------------------------------------------------------------------------
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// wxSpinCtrlDbl
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//----------------------------------------------------------------------------
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// the textctrl used for the wxSpinCtrlDbl, needed for keypresses
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class wxSpinCtrlDblTextCtrl : public wxTextCtrl
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{
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public:
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wxSpinCtrlDblTextCtrl( wxWindow *parent, wxWindowID id,
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const wxString &value = wxEmptyString,
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const wxPoint &pos = wxDefaultPosition,
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const wxSize &size = wxDefaultSize,
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long style = 0,
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const wxValidator& validator = wxDefaultValidator,
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const wxString &name = wxTextCtrlNameStr);
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// MSW sends extra kill focus event
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virtual ~wxSpinCtrlDblTextCtrl()
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{
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if (m_parent) m_parent->m_textCtrl = NULL;
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m_parent = NULL;
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}
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wxSpinCtrlDbl *m_parent;
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void OnChar( wxKeyEvent &event ); // pass chars to wxSpinCtrlDbl
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void OnKillFocus( wxFocusEvent &event ); // sync the spin to textctrl
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private:
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DECLARE_EVENT_TABLE()
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};
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BEGIN_EVENT_TABLE(wxSpinCtrlDblTextCtrl,wxTextCtrl)
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// EVT_TEXT_ENTER( wxID_ANY, wxSpinCtrlDblTextCtrl::OnTextEnter ) // get them from spinctrldbl
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// EVT_TEXT( wxID_ANY, wxSpinCtrlDblTextCtrl::OnTextUpdate ) // get them from spinctrldbl
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EVT_CHAR( wxSpinCtrlDblTextCtrl::OnChar )
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EVT_KILL_FOCUS( wxSpinCtrlDblTextCtrl::OnKillFocus )
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END_EVENT_TABLE()
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wxSpinCtrlDblTextCtrl::wxSpinCtrlDblTextCtrl( wxWindow *parent, wxWindowID id,
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const wxString &value,
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const wxPoint &pos, const wxSize &size,
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long style,
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const wxValidator& validator,
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const wxString &name)
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:wxTextCtrl( parent, id, value, pos, size, style,
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validator, name)
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{
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m_parent = (wxSpinCtrlDbl*)parent;
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}
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void wxSpinCtrlDblTextCtrl::OnChar( wxKeyEvent &event )
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{
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if (m_parent) m_parent->OnChar( event );
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}
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void wxSpinCtrlDblTextCtrl::OnKillFocus( wxFocusEvent &event )
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{
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if (m_parent) m_parent->SyncSpinToText(true);
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event.Skip();
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}
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//----------------------------------------------------------------------------
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// wxSpinCtrlDbl
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//----------------------------------------------------------------------------
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IMPLEMENT_DYNAMIC_CLASS( wxSpinCtrlDbl, wxControl )
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BEGIN_EVENT_TABLE(wxSpinCtrlDbl,wxControl)
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EVT_SPIN_UP ( wxID_ANY, wxSpinCtrlDbl::OnSpinUp )
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EVT_SPIN_DOWN ( wxID_ANY, wxSpinCtrlDbl::OnSpinDown )
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EVT_TEXT_ENTER( wxID_ANY, wxSpinCtrlDbl::OnTextEnter )
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//EVT_TEXT ( wxID_ANY, wxSpinCtrlDbl::OnText )
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EVT_SET_FOCUS ( wxSpinCtrlDbl::OnFocus )
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EVT_KILL_FOCUS( wxSpinCtrlDbl::OnKillFocus )
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END_EVENT_TABLE()
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void wxSpinCtrlDbl::Init()
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{
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m_min = 0;
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m_max = 100;
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m_value = 0;
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m_default_value = 0;
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m_increment = 1;
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m_digits = wxSPINCTRLDBL_AUTODIGITS;
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m_snap_ticks = false;
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m_spinButton = NULL;
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m_textCtrl = NULL;
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}
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bool wxSpinCtrlDbl::Create( wxWindow *parent, wxWindowID id,
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const wxString& value,
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const wxPoint& pos, const wxSize& size,
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long style,
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double min, double max,
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double initial,
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double increment, int digits,
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const wxString& name)
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{
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if (!wxControl::Create(parent, id, pos, size, style|wxNO_BORDER,
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wxDefaultValidator, name))
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return false;
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wxControl::SetLabel(name);
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wxControl::SetBackgroundColour(parent->GetBackgroundColour());
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wxControl::SetForegroundColour(parent->GetForegroundColour());
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int width = size.GetWidth(), height = size.GetHeight();
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wxSize best_size( DoGetBestSize() );
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if (width == -1) width = best_size.GetWidth();
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if (height == -1) height = best_size.GetHeight();
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// Create a validator for numbers, +-, and eE for exponential
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wxTextValidator validator(wxFILTER_INCLUDE_CHAR_LIST);
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#if wxCHECK_VERSION(2, 5, 4)
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wxArrayString list;
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wxString valid_chars(wxT(" 0123456789+-.eE"));
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size_t len = valid_chars.Length();
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for (size_t i=0; i<len; i++)
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list.Add(wxString(valid_chars.GetChar(i)));
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validator.SetIncludes(list);
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#else
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wxStringList list;
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wxString valid_chars(wxT(" 0123456789+-.eE"));
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size_t len = valid_chars.Length();
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for (size_t i=0; i<len; i++)
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list.Add(wxString(valid_chars.GetChar(i)));
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validator.SetIncludeList(list);
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#endif // wxCHECK_VER(2, 5, 4)
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m_spinButton = new wxSpinButton( this, id, wxPoint(0,0), wxSize(-1, height),
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wxSP_ARROW_KEYS|wxSP_VERTICAL|wxSP_WRAP);
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m_textCtrl = new wxSpinCtrlDblTextCtrl( this, id, value,
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wxPoint(0,0),
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wxSize(width-m_spinButton->GetSize().GetWidth(), height),
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wxTE_NOHIDESEL|wxTE_PROCESS_ENTER, validator);
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DoSetSize( pos.x, pos.y, width, height );
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SetBestSize(wxSize(width, height));
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m_min = min;
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m_max = max;
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m_value = initial;
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m_default_value = initial;
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m_increment = increment;
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SetDigits( digits );
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// set the value here without generating an event
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if (!value.IsEmpty())
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m_textCtrl->SetValue(value);
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else
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m_textCtrl->SetValue(wxString::Format(m_textFormat.c_str(), initial));
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return true;
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}
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wxSpinCtrlDbl::~wxSpinCtrlDbl()
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{
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if (m_textCtrl) // null this since MSW sends KILL_FOCUS on deletion
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{
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m_textCtrl->m_parent = NULL;
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wxSpinCtrlDblTextCtrl *text = m_textCtrl;
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m_textCtrl = NULL;
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delete text;
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}
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delete m_spinButton;
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m_spinButton = NULL;
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}
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#define wxSPINCTRLDBL_SPIN_WIDTH 15
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#define wxSPINCTRLDBL_SPIN_HEIGHT 22
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void wxSpinCtrlDbl::DoSetSize(int x, int y, int width, int height, int sizeFlags)
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{
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//wxPrintf(wxT("DoSetSize %d, %d %d %d %d %d\n"), GetId(), x, y, width, height, sizeFlags);
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wxSize bestSize( DoGetBestSize() );
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if (width < 0) width = bestSize.GetWidth();
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if (height < 0) height = bestSize.GetHeight();
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wxWindow::DoSetSize(x, y, width, height, sizeFlags);
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int spinwidth = wxSPINCTRLDBL_SPIN_WIDTH;
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int spinheight = wxSPINCTRLDBL_SPIN_HEIGHT;
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if (m_spinButton)
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m_spinButton->GetSize( &spinwidth, &spinheight );
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#ifdef __WIN95__ // humm... these used to be different
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if (m_textCtrl) m_textCtrl->SetSize( 0, 0, width - spinwidth, height );
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if (m_spinButton) m_spinButton->SetSize( width-spinwidth-2, 0, -1, height );
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//m_textCtrl->SetSize( -3, -3, width - spinwidth, height ); // old wxWin < 2.3.2
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//m_spinButton->SetSize( width-spinwidth-4, -3, -1, height-1 );
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#else
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if (m_textCtrl) m_textCtrl->SetSize( 0, 0, width - spinwidth, height );
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if (m_spinButton) m_spinButton->SetSize( width-spinwidth, 0, -1, height );
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#endif
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}
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static wxSize s_spinctrl_bestSize(-999,-999);
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wxSize wxSpinCtrlDbl::DoGetBestSize() const
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{
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//wxPrintf(wxT("GetBestSize %d\n"), GetId());
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if (s_spinctrl_bestSize.x == -999)
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{
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wxSpinCtrl spin((wxWindow*)this, wxID_ANY);
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s_spinctrl_bestSize = spin.GetBestSize();
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// oops something went wrong, set to reasonable value
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if (s_spinctrl_bestSize.GetWidth() < 20)
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s_spinctrl_bestSize.SetWidth(95);
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if (s_spinctrl_bestSize.GetHeight() < 10)
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s_spinctrl_bestSize.SetHeight(wxSPINCTRLDBL_SPIN_HEIGHT);
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}
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return s_spinctrl_bestSize;
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}
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void wxSpinCtrlDbl::DoSendEvent()
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{
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wxCommandEvent event( wxEVT_COMMAND_SPINCTRL_UPDATED, GetId() );
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event.SetEventObject( this );
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event.SetInt( (int)(m_value+0.5) );
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if (m_textCtrl) event.SetString( m_textCtrl->GetValue() );
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GetEventHandler()->ProcessEvent( event );
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}
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void wxSpinCtrlDbl::OnSpinUp( wxSpinEvent &WXUNUSED(event) )
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{
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if (m_textCtrl && m_textCtrl->IsModified() )
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SyncSpinToText(false);
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if ( InRange(m_value + m_increment) )
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{
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m_value += m_increment;
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SetValue( m_value );
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DoSendEvent();
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}
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}
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void wxSpinCtrlDbl::OnSpinDown( wxSpinEvent &WXUNUSED(event) )
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{
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if (m_textCtrl && m_textCtrl->IsModified() )
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SyncSpinToText(false);
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if ( InRange(m_value - m_increment) )
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{
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m_value -= m_increment;
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SetValue( m_value );
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DoSendEvent();
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}
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}
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void wxSpinCtrlDbl::OnTextEnter( wxCommandEvent &event )
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{
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SyncSpinToText(true);
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event.Skip();
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}
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void wxSpinCtrlDbl::OnText( wxCommandEvent &event )
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{
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//wxPrintf(wxT("Text '%s'\n"), event.GetString()); fflush(stdout);
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event.Skip();
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}
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void wxSpinCtrlDbl::OnChar( wxKeyEvent &event )
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{
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double modifier = 1.0;
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if ( event.m_shiftDown ) modifier = 2.0;
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if ( event.m_controlDown ) modifier *= 10.0;
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if ( event.m_altDown ) modifier *= 100.0;
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switch ( event.GetKeyCode() )
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{
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case WXK_UP :
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{
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if (m_textCtrl && m_textCtrl->IsModified()) SyncSpinToText(false);
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SetValue( m_value + m_increment * modifier );
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DoSendEvent();
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break;
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}
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case WXK_DOWN :
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{
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if (m_textCtrl && m_textCtrl->IsModified()) SyncSpinToText(false);
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SetValue( m_value - m_increment * modifier );
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DoSendEvent();
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break;
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}
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case WXK_PRIOR : // pg-up
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{
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if (m_textCtrl && m_textCtrl->IsModified()) SyncSpinToText(false);
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SetValue( m_value + m_increment * 10.0 * modifier );
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DoSendEvent();
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break;
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}
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case WXK_NEXT : // pg-down
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{
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if (m_textCtrl && m_textCtrl->IsModified()) SyncSpinToText(false);
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SetValue( m_value - m_increment * 10.0 * modifier );
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DoSendEvent();
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break;
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}
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case WXK_SPACE :
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{
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SetValue(m_value);
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event.Skip(false);
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break;
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}
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case WXK_ESCAPE :
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{
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SetDefaultValue();
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DoSendEvent();
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break;
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}
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case WXK_TAB :
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{
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wxNavigationKeyEvent new_event;
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new_event.SetEventObject( GetParent() );
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new_event.SetDirection( !event.ShiftDown() );
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// CTRL-TAB changes the (parent) window, i.e. switch notebook page
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new_event.SetWindowChange( event.ControlDown() );
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new_event.SetCurrentFocus( this );
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GetParent()->GetEventHandler()->ProcessEvent( new_event );
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break;
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}
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default : event.Skip(); break;
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}
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}
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void wxSpinCtrlDbl::SetValue( double value )
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{
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if (!m_textCtrl || !InRange(value))
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return;
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if ( m_snap_ticks && (m_increment != 0) )
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{
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double snap_value = (value - m_default_value) / m_increment;
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if (wxFinite(snap_value)) // FIXME what to do about a failure?
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{
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if (snap_value - floor(snap_value) < ceil(snap_value) - snap_value)
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value = m_default_value + floor(snap_value) * m_increment;
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else
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value = m_default_value + ceil(snap_value) * m_increment;
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}
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}
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wxString str(wxString::Format(m_textFormat.c_str(), value));
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if ((value != m_value) || (str != m_textCtrl->GetValue()))
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{
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m_textCtrl->SetValue( str );
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m_textCtrl->DiscardEdits();
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m_value = value;
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str.ToDouble( &m_value ); // wysiwyg for textctrl
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}
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}
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void wxSpinCtrlDbl::SetValue( const wxString& text, bool force )
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{
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if (!m_textCtrl) return;
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double value;
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if ( text.ToDouble(&value) )
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SetValue( value );
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else if (force)
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{
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m_textCtrl->SetValue( text );
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m_textCtrl->DiscardEdits();
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}
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}
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void wxSpinCtrlDbl::SetRange( double min_val, double max_val )
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{
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//wxCHECK_RET(max_val > min_val, wxT("invalid spinctrl range"));
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m_min = min_val;
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m_max = max_val;
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if (HasRange())
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{
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if (m_value > m_max)
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SetValue(m_max);
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else if (m_value < m_min)
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SetValue(m_min);
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}
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}
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void wxSpinCtrlDbl::SetIncrement( double increment )
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{
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m_increment = increment;
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SetValue(m_value);
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}
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void wxSpinCtrlDbl::SetDigits( int digits, formatType fmt )
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{
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wxCHECK_RET(digits >= -1, wxT("invalid spinctrl format"));
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if ((digits == wxSPINCTRLDBL_AUTODIGITS) && (fmt != lg_fmt))
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{
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wxString wxstr;
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int lastplace = -1, extra_digits = 0;
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if (fmt == le_fmt)
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{
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wxstr.Printf(wxT("%le"), m_increment );
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wxstr.LowerCase();
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lastplace = wxstr.Find(wxT('e')) - 2;
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long places;
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if (wxstr.AfterFirst(wxT('e')).ToLong(&places))
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extra_digits = int(labs(places));
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}
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else if (fmt == lf_fmt)
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{
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wxstr.Printf(wxT("%lf"), m_increment );
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lastplace = wxstr.Len()-1;
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}
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int decimalplace = wxstr.Find(wxT('.'));
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int i = 0;
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for ( i=lastplace; i>decimalplace; i-- )
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{
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if ( wxstr.GetChar(i) != wxT('0') )
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{
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m_digits = extra_digits + i-decimalplace;
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switch (fmt)
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{
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case le_fmt : m_textFormat.Printf(wxT("%%.%dle"), m_digits ); break;
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case lf_fmt :
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default : m_textFormat.Printf(wxT("%%.%dlg"), m_digits ); break;
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}
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SetValue(m_value);
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return;
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}
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}
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m_digits = 0; // no digits, I guess
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}
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else
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m_digits = digits;
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switch (fmt)
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{
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case le_fmt : m_textFormat.Printf(wxT("%%.%dle"), m_digits ); break;
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case lg_fmt :
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{
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if (m_digits == -1)
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m_textFormat.Printf(wxT("%%lg") );
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else
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m_textFormat.Printf(wxT("%%.%dlg"), m_digits );
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break;
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}
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case lf_fmt :
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|
default : m_textFormat.Printf(wxT("%%.%dlf"), m_digits ); break;
|
|
}
|
|
|
|
SetValue(m_value);
|
|
}
|
|
|
|
void wxSpinCtrlDbl::SetFormat( const wxString& format )
|
|
{
|
|
wxString wxstr;
|
|
if ( wxstr.Printf(format.c_str(), 123456.123456) > 0 )
|
|
m_textFormat = format;
|
|
|
|
SetValue(m_value);
|
|
}
|
|
|
|
void wxSpinCtrlDbl::SetDefaultValue( double default_value )
|
|
{
|
|
if ( InRange(default_value) )
|
|
{
|
|
m_default_value = default_value;
|
|
SetDefaultValue();
|
|
}
|
|
}
|
|
|
|
void wxSpinCtrlDbl::SetSnapToTicks(bool forceTicks)
|
|
{
|
|
if (m_snap_ticks != forceTicks)
|
|
{
|
|
m_snap_ticks = forceTicks;
|
|
SetValue( m_value );
|
|
}
|
|
}
|
|
|
|
void wxSpinCtrlDbl::OnFocus( wxFocusEvent &event )
|
|
{
|
|
if (m_textCtrl)
|
|
m_textCtrl->SetFocus(); // this is to pass TAB navigation
|
|
|
|
event.Skip();
|
|
}
|
|
|
|
void wxSpinCtrlDbl::OnKillFocus( wxFocusEvent &event )
|
|
{
|
|
SyncSpinToText(true);
|
|
event.Skip();
|
|
}
|
|
|
|
void wxSpinCtrlDbl::SyncSpinToText(bool send_event, bool force_valid)
|
|
{
|
|
if (!m_textCtrl)
|
|
return;
|
|
|
|
double txt_value;
|
|
if ( m_textCtrl->GetValue().ToDouble( &txt_value ) )
|
|
{
|
|
if ( force_valid || !HasRange() || InRange(txt_value) )
|
|
{
|
|
if (force_valid && HasRange())
|
|
{
|
|
if (txt_value > GetMax())
|
|
txt_value = GetMax();
|
|
else if (txt_value < GetMin())
|
|
txt_value = GetMin();
|
|
}
|
|
|
|
if (m_value != txt_value)
|
|
{
|
|
SetValue( txt_value );
|
|
if (send_event) DoSendEvent();
|
|
}
|
|
}
|
|
}
|
|
else if (force_valid)
|
|
{
|
|
// textctrl is out of sync, discard and reset
|
|
SetValue(GetValue());
|
|
}
|
|
}
|
|
|
|
bool wxSpinCtrlDbl::SetFont( const wxFont &font )
|
|
{
|
|
if (!m_textCtrl) return false;
|
|
return m_textCtrl->SetFont( font );
|
|
}
|
|
wxFont wxSpinCtrlDbl::GetFont() const
|
|
{
|
|
if (!m_textCtrl) return GetFont();
|
|
return m_textCtrl->GetFont();
|
|
}
|
|
|
|
bool wxSpinCtrlDbl::SetBackgroundColour(const wxColour& colour)
|
|
{
|
|
if (!m_textCtrl) return wxControl::SetBackgroundColour(colour);
|
|
bool ret = false;
|
|
ret = m_textCtrl->SetBackgroundColour(colour);
|
|
m_textCtrl->Refresh(); // FIXME is this necessary in GTK/OSX
|
|
return ret;
|
|
}
|
|
wxColour wxSpinCtrlDbl::GetBackgroundColour() const
|
|
{
|
|
if (!m_textCtrl) return wxControl::GetBackgroundColour();
|
|
return m_textCtrl->GetBackgroundColour();
|
|
}
|
|
|
|
bool wxSpinCtrlDbl::SetForegroundColour(const wxColour& colour)
|
|
{
|
|
if (!m_textCtrl) return wxControl::SetForegroundColour(colour);
|
|
bool ret = false;
|
|
ret = m_textCtrl->SetForegroundColour(colour);
|
|
m_textCtrl->Refresh();
|
|
return ret;
|
|
}
|
|
wxColour wxSpinCtrlDbl::GetForegroundColour() const
|
|
{
|
|
if (!m_textCtrl) return wxControl::GetForegroundColour();
|
|
return m_textCtrl->GetForegroundColour();
|
|
}
|