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wxWidgets/samples/widgets/spinbtn.cpp
Vadim Zeitlin 6ceb105f1e added test for EVT_TEXT handler for spin contorl 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@45189 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2007-03-31 15:11:02 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Program: wxWidgets Widgets Sample
// Name: spinbtn.cpp
// Purpose: Part of the widgets sample showing wxSpinButton
// Author: Vadim Zeitlin
// Created: 16.04.01
// Id: $Id$
// Copyright: (c) 2001 Vadim Zeitlin
// License: wxWindows license
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// for compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_SPINBTN
// for all others, include the necessary headers
#ifndef WX_PRECOMP
#include "wx/log.h"
#include "wx/bitmap.h"
#include "wx/button.h"
#include "wx/checkbox.h"
#include "wx/radiobox.h"
#include "wx/statbox.h"
#include "wx/textctrl.h"
#endif
#include "wx/spinbutt.h"
#include "wx/spinctrl.h"
#include "wx/sizer.h"
#include "widgets.h"
#include "icons/spinbtn.xpm"
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// control ids
enum
{
SpinBtnPage_Reset = wxID_HIGHEST,
SpinBtnPage_Clear,
SpinBtnPage_SetValue,
SpinBtnPage_SetMinAndMax,
SpinBtnPage_CurValueText,
SpinBtnPage_ValueText,
SpinBtnPage_MinText,
SpinBtnPage_MaxText,
SpinBtnPage_SpinBtn,
SpinBtnPage_SpinCtrl
};
// ----------------------------------------------------------------------------
// SpinBtnWidgetsPage
// ----------------------------------------------------------------------------
class SpinBtnWidgetsPage : public WidgetsPage
{
public:
SpinBtnWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
virtual ~SpinBtnWidgetsPage(){};
virtual wxControl *GetWidget() const { return m_spinbtn; }
virtual wxControl *GetWidget2() const { return m_spinctrl; }
virtual void RecreateWidget() { CreateSpin(); }
// lazy creation of the content
virtual void CreateContent();
protected:
// event handlers
void OnButtonReset(wxCommandEvent& event);
void OnButtonClear(wxCommandEvent& event);
void OnButtonSetValue(wxCommandEvent& event);
void OnButtonSetMinAndMax(wxCommandEvent& event);
void OnCheckOrRadioBox(wxCommandEvent& event);
void OnSpinBtn(wxSpinEvent& event);
void OnSpinBtnUp(wxSpinEvent& event);
void OnSpinBtnDown(wxSpinEvent& event);
void OnSpinCtrl(wxSpinEvent& event);
void OnSpinText(wxCommandEvent& event);
void OnUpdateUIValueButton(wxUpdateUIEvent& event);
void OnUpdateUIMinMaxButton(wxUpdateUIEvent& event);
void OnUpdateUIResetButton(wxUpdateUIEvent& event);
void OnUpdateUICurValueText(wxUpdateUIEvent& event);
// reset the spinbtn parameters
void Reset();
// (re)create the spinbtn
void CreateSpin();
// is this spinbtn value in range?
bool IsValidValue(int val) const
{ return (val >= m_min) && (val <= m_max); }
// the spinbtn range
int m_min, m_max;
// the controls
// ------------
// the check/radio boxes for styles
wxCheckBox *m_chkVert,
*m_chkWrap;
// the spinbtn and the spinctrl and the sizer containing them
wxSpinButton *m_spinbtn;
wxSpinCtrl *m_spinctrl;
wxSizer *m_sizerSpin;
// the text entries for set value/range
wxTextCtrl *m_textValue,
*m_textMin,
*m_textMax;
private:
DECLARE_EVENT_TABLE()
DECLARE_WIDGETS_PAGE(SpinBtnWidgetsPage)
};
// ----------------------------------------------------------------------------
// event tables
// ----------------------------------------------------------------------------
BEGIN_EVENT_TABLE(SpinBtnWidgetsPage, WidgetsPage)
EVT_BUTTON(SpinBtnPage_Reset, SpinBtnWidgetsPage::OnButtonReset)
EVT_BUTTON(SpinBtnPage_SetValue, SpinBtnWidgetsPage::OnButtonSetValue)
EVT_BUTTON(SpinBtnPage_SetMinAndMax, SpinBtnWidgetsPage::OnButtonSetMinAndMax)
EVT_UPDATE_UI(SpinBtnPage_SetValue, SpinBtnWidgetsPage::OnUpdateUIValueButton)
EVT_UPDATE_UI(SpinBtnPage_SetMinAndMax, SpinBtnWidgetsPage::OnUpdateUIMinMaxButton)
EVT_UPDATE_UI(SpinBtnPage_Reset, SpinBtnWidgetsPage::OnUpdateUIResetButton)
EVT_UPDATE_UI(SpinBtnPage_CurValueText, SpinBtnWidgetsPage::OnUpdateUICurValueText)
EVT_SPIN(SpinBtnPage_SpinBtn, SpinBtnWidgetsPage::OnSpinBtn)
EVT_SPIN_UP(SpinBtnPage_SpinBtn, SpinBtnWidgetsPage::OnSpinBtnUp)
EVT_SPIN_DOWN(SpinBtnPage_SpinBtn, SpinBtnWidgetsPage::OnSpinBtnDown)
EVT_SPINCTRL(SpinBtnPage_SpinCtrl, SpinBtnWidgetsPage::OnSpinCtrl)
EVT_TEXT(SpinBtnPage_SpinCtrl, SpinBtnWidgetsPage::OnSpinText)
EVT_CHECKBOX(wxID_ANY, SpinBtnWidgetsPage::OnCheckOrRadioBox)
EVT_RADIOBOX(wxID_ANY, SpinBtnWidgetsPage::OnCheckOrRadioBox)
END_EVENT_TABLE()
// ============================================================================
// implementation
// ============================================================================
#if defined(__WXUNIVERSAL__)
#define FAMILY_CTRLS UNIVERSAL_CTRLS
#else
#define FAMILY_CTRLS NATIVE_CTRLS
#endif
IMPLEMENT_WIDGETS_PAGE(SpinBtnWidgetsPage, _T("Spin"),
FAMILY_CTRLS | EDITABLE_CTRLS
);
SpinBtnWidgetsPage::SpinBtnWidgetsPage(WidgetsBookCtrl *book,
wxImageList *imaglist)
: WidgetsPage(book, imaglist, spinbtn_xpm)
{
m_chkVert = NULL;
m_chkWrap = NULL;
m_spinbtn = NULL;
m_spinctrl = NULL;
m_textValue = NULL;
m_textMin = NULL;
m_textMax = NULL;
// init everything
m_min = 0;
m_max = 10;
m_chkVert =
m_chkWrap = (wxCheckBox *)NULL;
m_spinbtn = (wxSpinButton *)NULL;
m_sizerSpin = (wxSizer *)NULL;
}
void SpinBtnWidgetsPage::CreateContent()
{
wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
// left pane
wxStaticBox *box = new wxStaticBox(this, wxID_ANY, _T("&Set style"));
wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
m_chkVert = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Vertical"));
m_chkWrap = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Wrap"));
sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer
wxButton *btn = new wxButton(this, SpinBtnPage_Reset, _T("&Reset"));
sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
// middle pane
wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY,
_T("&Change spinbtn value"));
wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
wxTextCtrl *text;
wxSizer *sizerRow = CreateSizerWithTextAndLabel(_T("Current value"),
SpinBtnPage_CurValueText,
&text);
text->SetEditable(false);
sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
sizerRow = CreateSizerWithTextAndButton(SpinBtnPage_SetValue,
_T("Set &value"),
SpinBtnPage_ValueText,
&m_textValue);
sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
sizerRow = CreateSizerWithTextAndButton(SpinBtnPage_SetMinAndMax,
_T("&Min and max"),
SpinBtnPage_MinText,
&m_textMin);
m_textMax = new wxTextCtrl(this, SpinBtnPage_MaxText, wxEmptyString);
sizerRow->Add(m_textMax, 1, wxLEFT | wxALIGN_CENTRE_VERTICAL, 5);
m_textMin->SetValue( wxString::Format(_T("%d"), m_min) );
m_textMax->SetValue( wxString::Format(_T("%d"), m_max) );
sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
// right pane
wxSizer *sizerRight = new wxBoxSizer(wxVERTICAL);
sizerRight->SetMinSize(150, 0);
m_sizerSpin = sizerRight; // save it to modify it later
Reset();
CreateSpin();
// the 3 panes panes compose the window
sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10);
sizerTop->Add(sizerMiddle, 0, wxGROW | wxALL, 10);
sizerTop->Add(sizerRight, 1, wxGROW | (wxALL & ~wxRIGHT), 10);
// final initializations
SetSizer(sizerTop);
}
// ----------------------------------------------------------------------------
// operations
// ----------------------------------------------------------------------------
void SpinBtnWidgetsPage::Reset()
{
m_chkVert->SetValue(true);
m_chkWrap->SetValue(false);
}
void SpinBtnWidgetsPage::CreateSpin()
{
int flags = ms_defaultFlags;
bool isVert = m_chkVert->GetValue();
if ( isVert )
flags |= wxSP_VERTICAL;
else
flags |= wxSP_HORIZONTAL;
if ( m_chkWrap->GetValue() )
flags |= wxSP_WRAP;
int val = m_min;
if ( m_spinbtn )
{
int valOld = m_spinbtn->GetValue();
if ( !IsValidValue(valOld) )
{
val = valOld;
}
m_sizerSpin->Detach( m_spinbtn );
m_sizerSpin->Detach( m_spinctrl );
// there are 3 spacers left
m_sizerSpin->Remove( 0 );
m_sizerSpin->Remove( 0 );
m_sizerSpin->Remove( 0 );
delete m_spinbtn;
delete m_spinctrl;
}
m_spinbtn = new wxSpinButton(this, SpinBtnPage_SpinBtn,
wxDefaultPosition, wxDefaultSize,
flags);
m_spinbtn->SetValue(val);
m_spinbtn->SetRange(m_min, m_max);
m_spinctrl = new wxSpinCtrl(this, SpinBtnPage_SpinCtrl,
wxString::Format(_T("%d"), val),
wxDefaultPosition, wxDefaultSize,
flags,
m_min, m_max, val);
m_sizerSpin->Add(0, 0, 1);
m_sizerSpin->Add(m_spinbtn, 0, wxALIGN_CENTRE | wxALL, 5);
m_sizerSpin->Add(0, 0, 1);
m_sizerSpin->Add(m_spinctrl, 0, wxALIGN_CENTRE | wxALL, 5);
m_sizerSpin->Add(0, 0, 1);
m_sizerSpin->Layout();
}
// ----------------------------------------------------------------------------
// event handlers
// ----------------------------------------------------------------------------
void SpinBtnWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
{
Reset();
CreateSpin();
}
void SpinBtnWidgetsPage::OnButtonSetMinAndMax(wxCommandEvent& WXUNUSED(event))
{
long minNew,
maxNew = 0; // init to suppress compiler warning
if ( !m_textMin->GetValue().ToLong(&minNew) ||
!m_textMax->GetValue().ToLong(&maxNew) ||
minNew > maxNew )
{
wxLogWarning(_T("Invalid min/max values for the spinbtn."));
return;
}
m_min = minNew;
m_max = maxNew;
m_spinbtn->SetRange(minNew, maxNew);
m_spinctrl->SetRange(minNew, maxNew);
}
void SpinBtnWidgetsPage::OnButtonSetValue(wxCommandEvent& WXUNUSED(event))
{
long val;
if ( !m_textValue->GetValue().ToLong(&val) || !IsValidValue(val) )
{
wxLogWarning(_T("Invalid spinbtn value."));
return;
}
m_spinbtn->SetValue(val);
m_spinctrl->SetValue(val);
}
void SpinBtnWidgetsPage::OnUpdateUIValueButton(wxUpdateUIEvent& event)
{
long val;
event.Enable( m_textValue->GetValue().ToLong(&val) && IsValidValue(val) );
}
void SpinBtnWidgetsPage::OnUpdateUIMinMaxButton(wxUpdateUIEvent& event)
{
long mn, mx;
event.Enable( m_textMin->GetValue().ToLong(&mn) &&
m_textMax->GetValue().ToLong(&mx) &&
mn <= mx);
}
void SpinBtnWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
{
event.Enable( !m_chkVert->GetValue() || m_chkWrap->GetValue() );
}
void SpinBtnWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))
{
CreateSpin();
}
void SpinBtnWidgetsPage::OnUpdateUICurValueText(wxUpdateUIEvent& event)
{
event.SetText( wxString::Format(_T("%d"), m_spinbtn->GetValue()));
}
void SpinBtnWidgetsPage::OnSpinBtn(wxSpinEvent& event)
{
int value = event.GetInt();
wxASSERT_MSG( value == m_spinbtn->GetValue(),
_T("spinbtn value should be the same") );
wxLogMessage(_T("Spin button value changed, now %d"), value);
}
void SpinBtnWidgetsPage::OnSpinBtnUp(wxSpinEvent& event)
{
wxLogMessage( _T("Spin button value incremented, will be %d (was %d)"),
event.GetInt(), m_spinbtn->GetValue() );
}
void SpinBtnWidgetsPage::OnSpinBtnDown(wxSpinEvent& event)
{
wxLogMessage( _T("Spin button value decremented, will be %d (was %d)"),
event.GetInt(), m_spinbtn->GetValue() );
}
void SpinBtnWidgetsPage::OnSpinCtrl(wxSpinEvent& event)
{
int value = event.GetInt();
wxASSERT_MSG( value == m_spinctrl->GetValue(),
_T("spinctrl value should be the same") );
wxLogMessage(_T("Spin control value changed, now %d"), value);
}
void SpinBtnWidgetsPage::OnSpinText(wxCommandEvent& event)
{
wxLogMessage(_T("Text changed in spin control, now \"%s\""),
event.GetString().c_str());
}
#endif // wxUSE_SPINBTN
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