c6ba246b98
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@44977 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
470 lines
13 KiB
C++
470 lines
13 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Program: wxWidgets Widgets Sample
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// Name: gauge.cpp
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// Purpose: Part of the widgets sample showing wxGauge
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// Author: Vadim Zeitlin
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// Created: 27.03.01
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// Id: $Id$
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// Copyright: (c) 2001 Vadim Zeitlin
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// License: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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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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// for all others, include the necessary headers
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#ifndef WX_PRECOMP
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#include "wx/log.h"
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#include "wx/timer.h"
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#include "wx/bitmap.h"
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#include "wx/button.h"
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#include "wx/checkbox.h"
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#include "wx/combobox.h"
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#include "wx/gauge.h"
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#include "wx/radiobox.h"
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#include "wx/statbox.h"
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#include "wx/textctrl.h"
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#endif
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#include "wx/sizer.h"
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#include "widgets.h"
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#if wxUSE_GAUGE
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#include "icons/gauge.xpm"
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// control ids
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enum
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{
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GaugePage_Reset = wxID_HIGHEST,
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GaugePage_Progress,
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GaugePage_IndeterminateProgress,
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GaugePage_Clear,
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GaugePage_SetValue,
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GaugePage_SetRange,
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GaugePage_CurValueText,
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GaugePage_ValueText,
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GaugePage_RangeText,
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GaugePage_Timer,
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GaugePage_IndeterminateTimer,
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GaugePage_Gauge
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};
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// ----------------------------------------------------------------------------
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// GaugeWidgetsPage
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// ----------------------------------------------------------------------------
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class GaugeWidgetsPage : public WidgetsPage
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{
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public:
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GaugeWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist);
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virtual ~GaugeWidgetsPage();
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virtual wxControl *GetWidget() const { return m_gauge; }
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virtual void RecreateWidget() { CreateGauge(); }
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// lazy creation of the content
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virtual void CreateContent();
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protected:
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// event handlers
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void OnButtonReset(wxCommandEvent& event);
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void OnButtonProgress(wxCommandEvent& event);
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void OnButtonIndeterminateProgress(wxCommandEvent& event);
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void OnButtonClear(wxCommandEvent& event);
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void OnButtonSetValue(wxCommandEvent& event);
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void OnButtonSetRange(wxCommandEvent& event);
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void OnCheckOrRadioBox(wxCommandEvent& event);
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void OnUpdateUIValueButton(wxUpdateUIEvent& event);
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void OnUpdateUIRangeButton(wxUpdateUIEvent& event);
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void OnUpdateUIResetButton(wxUpdateUIEvent& event);
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void OnUpdateUICurValueText(wxUpdateUIEvent& event);
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void OnProgressTimer(wxTimerEvent& event);
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void OnIndeterminateProgressTimer(wxTimerEvent& event);
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// reset the gauge parameters
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void Reset();
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// (re)create the gauge
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void CreateGauge();
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// start progress timer
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void StartTimer(wxButton*);
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// stop the progress timer
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void StopTimer(wxButton*);
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// the gauge range
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unsigned long m_range;
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// the controls
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// ------------
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// the checkboxes for styles
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wxCheckBox *m_chkVert,
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*m_chkSmooth;
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// the gauge itself and the sizer it is in
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wxGauge *m_gauge;
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wxSizer *m_sizerGauge;
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// the text entries for set value/range
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wxTextCtrl *m_textValue,
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*m_textRange;
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// the timer for simulating gauge progress
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wxTimer *m_timer;
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private:
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DECLARE_EVENT_TABLE()
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DECLARE_WIDGETS_PAGE(GaugeWidgetsPage)
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};
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// ----------------------------------------------------------------------------
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// event tables
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// ----------------------------------------------------------------------------
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BEGIN_EVENT_TABLE(GaugeWidgetsPage, WidgetsPage)
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EVT_BUTTON(GaugePage_Reset, GaugeWidgetsPage::OnButtonReset)
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EVT_BUTTON(GaugePage_Progress, GaugeWidgetsPage::OnButtonProgress)
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EVT_BUTTON(GaugePage_IndeterminateProgress, GaugeWidgetsPage::OnButtonIndeterminateProgress)
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EVT_BUTTON(GaugePage_Clear, GaugeWidgetsPage::OnButtonClear)
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EVT_BUTTON(GaugePage_SetValue, GaugeWidgetsPage::OnButtonSetValue)
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EVT_BUTTON(GaugePage_SetRange, GaugeWidgetsPage::OnButtonSetRange)
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EVT_UPDATE_UI(GaugePage_SetValue, GaugeWidgetsPage::OnUpdateUIValueButton)
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EVT_UPDATE_UI(GaugePage_SetRange, GaugeWidgetsPage::OnUpdateUIRangeButton)
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EVT_UPDATE_UI(GaugePage_Reset, GaugeWidgetsPage::OnUpdateUIResetButton)
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EVT_UPDATE_UI(GaugePage_CurValueText, GaugeWidgetsPage::OnUpdateUICurValueText)
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EVT_CHECKBOX(wxID_ANY, GaugeWidgetsPage::OnCheckOrRadioBox)
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EVT_RADIOBOX(wxID_ANY, GaugeWidgetsPage::OnCheckOrRadioBox)
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EVT_TIMER(GaugePage_Timer, GaugeWidgetsPage::OnProgressTimer)
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EVT_TIMER(GaugePage_IndeterminateTimer, GaugeWidgetsPage::OnIndeterminateProgressTimer)
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END_EVENT_TABLE()
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// ============================================================================
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// implementation
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// ============================================================================
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#if defined(__WXUNIVERSAL__)
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#define FAMILY_CTRLS UNIVERSAL_CTRLS
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#else
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#define FAMILY_CTRLS NATIVE_CTRLS
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#endif
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IMPLEMENT_WIDGETS_PAGE(GaugeWidgetsPage, _T("Gauge"), FAMILY_CTRLS );
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GaugeWidgetsPage::GaugeWidgetsPage(WidgetsBookCtrl *book,
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wxImageList *imaglist)
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:WidgetsPage(book, imaglist, gauge_xpm)
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{
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// init everything
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m_range = 100;
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m_timer = (wxTimer *)NULL;
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m_chkVert =
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m_chkSmooth = (wxCheckBox *)NULL;
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m_gauge = (wxGauge *)NULL;
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m_sizerGauge = (wxSizer *)NULL;
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}
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void GaugeWidgetsPage::CreateContent()
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{
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wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
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// left pane
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wxStaticBox *box = new wxStaticBox(this, wxID_ANY, _T("&Set style"));
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wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
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m_chkVert = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Vertical"));
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m_chkSmooth = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Smooth"));
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sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer
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wxButton *btn = new wxButton(this, GaugePage_Reset, _T("&Reset"));
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sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
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// middle pane
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wxStaticBox *box2 = new wxStaticBox(this, wxID_ANY, _T("&Change gauge value"));
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wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
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wxTextCtrl *text;
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wxSizer *sizerRow = CreateSizerWithTextAndLabel(_T("Current value"),
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GaugePage_CurValueText,
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&text);
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text->SetEditable(false);
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sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
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sizerRow = CreateSizerWithTextAndButton(GaugePage_SetValue,
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_T("Set &value"),
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GaugePage_ValueText,
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&m_textValue);
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sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
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sizerRow = CreateSizerWithTextAndButton(GaugePage_SetRange,
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_T("Set &range"),
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GaugePage_RangeText,
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&m_textRange);
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m_textRange->SetValue( wxString::Format(_T("%lu"), m_range) );
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sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
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btn = new wxButton(this, GaugePage_Progress, _T("Simulate &progress"));
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sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
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btn = new wxButton(this, GaugePage_IndeterminateProgress,
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_T("Simulate &indeterminate job"));
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sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
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btn = new wxButton(this, GaugePage_Clear, _T("&Clear"));
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sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
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// right pane
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wxSizer *sizerRight = new wxBoxSizer(wxHORIZONTAL);
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m_gauge = new wxGauge(this, GaugePage_Gauge, m_range);
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sizerRight->Add(m_gauge, 1, wxCENTRE | wxALL, 5);
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sizerRight->SetMinSize(150, 0);
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m_sizerGauge = sizerRight; // save it to modify it later
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// the 3 panes panes compose the window
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sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10);
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sizerTop->Add(sizerMiddle, 1, wxGROW | wxALL, 10);
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sizerTop->Add(sizerRight, 1, wxGROW | (wxALL & ~wxRIGHT), 10);
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// final initializations
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Reset();
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SetSizer(sizerTop);
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}
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GaugeWidgetsPage::~GaugeWidgetsPage()
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{
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delete m_timer;
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}
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// ----------------------------------------------------------------------------
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// operations
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// ----------------------------------------------------------------------------
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void GaugeWidgetsPage::Reset()
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{
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m_chkVert->SetValue(false);
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m_chkSmooth->SetValue(false);
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}
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void GaugeWidgetsPage::CreateGauge()
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{
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int flags = ms_defaultFlags;
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if ( m_chkVert->GetValue() )
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flags |= wxGA_VERTICAL;
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else
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flags |= wxGA_HORIZONTAL;
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if ( m_chkSmooth->GetValue() )
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flags |= wxGA_SMOOTH;
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int val = 0;
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if ( m_gauge )
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{
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val = m_gauge->GetValue();
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m_sizerGauge->Detach( m_gauge );
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delete m_gauge;
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}
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m_gauge = new wxGauge(this, GaugePage_Gauge, m_range,
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wxDefaultPosition, wxDefaultSize,
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flags);
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m_gauge->SetValue(val);
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if ( flags & wxGA_VERTICAL )
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m_sizerGauge->Add(m_gauge, 0, wxGROW | wxALL, 5);
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else
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m_sizerGauge->Add(m_gauge, 1, wxCENTRE | wxALL, 5);
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m_sizerGauge->Layout();
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}
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void GaugeWidgetsPage::StartTimer(wxButton *clicked)
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{
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static const int INTERVAL = 300;
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wxLogMessage(_T("Launched progress timer (interval = %d ms)"), INTERVAL);
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m_timer = new wxTimer(this,
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clicked->GetId() == GaugePage_Progress ? GaugePage_Timer : GaugePage_IndeterminateTimer);
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m_timer->Start(INTERVAL);
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clicked->SetLabel(_T("&Stop timer"));
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if (clicked->GetId() == GaugePage_Progress)
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FindWindow(GaugePage_IndeterminateProgress)->Disable();
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else
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FindWindow(GaugePage_Progress)->Disable();
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}
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void GaugeWidgetsPage::StopTimer(wxButton *clicked)
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{
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wxCHECK_RET( m_timer, _T("shouldn't be called") );
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m_timer->Stop();
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delete m_timer;
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m_timer = NULL;
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if (clicked->GetId() == GaugePage_Progress)
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{
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clicked->SetLabel(_T("Simulate &progress"));
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FindWindow(GaugePage_IndeterminateProgress)->Enable();
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}
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else
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{
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clicked->SetLabel(_T("Simulate indeterminate job"));
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FindWindow(GaugePage_Progress)->Enable();
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}
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wxLogMessage(_T("Progress finished."));
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}
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// ----------------------------------------------------------------------------
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// event handlers
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// ----------------------------------------------------------------------------
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void GaugeWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
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{
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Reset();
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CreateGauge();
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}
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void GaugeWidgetsPage::OnButtonProgress(wxCommandEvent& event)
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{
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wxButton *b = (wxButton *)event.GetEventObject();
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if ( !m_timer )
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{
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StartTimer(b);
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}
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else // stop the running timer
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{
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StopTimer(b);
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wxLogMessage(_T("Stopped the timer."));
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}
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}
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void GaugeWidgetsPage::OnButtonIndeterminateProgress(wxCommandEvent& event)
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{
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wxButton *b = (wxButton *)event.GetEventObject();
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if ( !m_timer )
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{
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StartTimer(b);
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}
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else // stop the running timer
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{
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StopTimer(b);
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wxLogMessage(_T("Stopped the timer."));
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}
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}
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void GaugeWidgetsPage::OnButtonClear(wxCommandEvent& WXUNUSED(event))
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{
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m_gauge->SetValue(0);
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}
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void GaugeWidgetsPage::OnButtonSetRange(wxCommandEvent& WXUNUSED(event))
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{
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unsigned long val;
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if ( !m_textRange->GetValue().ToULong(&val) )
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return;
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m_range = val;
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m_gauge->SetRange(val);
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}
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void GaugeWidgetsPage::OnButtonSetValue(wxCommandEvent& WXUNUSED(event))
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{
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unsigned long val;
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if ( !m_textValue->GetValue().ToULong(&val) )
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return;
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m_gauge->SetValue(val);
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}
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void GaugeWidgetsPage::OnUpdateUIValueButton(wxUpdateUIEvent& event)
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{
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unsigned long val;
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event.Enable( m_textValue->GetValue().ToULong(&val) && (val <= m_range) );
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}
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void GaugeWidgetsPage::OnUpdateUIRangeButton(wxUpdateUIEvent& event)
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{
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unsigned long val;
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event.Enable( m_textRange->GetValue().ToULong(&val) );
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}
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void GaugeWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
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{
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event.Enable( m_chkVert->GetValue() || m_chkSmooth->GetValue() );
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}
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void GaugeWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& WXUNUSED(event))
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{
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CreateGauge();
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}
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void GaugeWidgetsPage::OnProgressTimer(wxTimerEvent& WXUNUSED(event))
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{
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int val = m_gauge->GetValue();
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if ( (unsigned)val < m_range )
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{
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m_gauge->SetValue(val + 1);
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}
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else // reached the end
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{
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wxButton *btn = (wxButton *)FindWindow(GaugePage_Progress);
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wxCHECK_RET( btn, _T("no progress button?") );
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StopTimer(btn);
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}
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}
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void GaugeWidgetsPage::OnIndeterminateProgressTimer(wxTimerEvent& WXUNUSED(event))
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{
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m_gauge->Pulse();
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}
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void GaugeWidgetsPage::OnUpdateUICurValueText(wxUpdateUIEvent& event)
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{
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event.SetText( wxString::Format(_T("%d"), m_gauge->GetValue()));
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}
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#endif
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// wxUSE_GAUGE
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