153 lines
5.0 KiB
C++
153 lines
5.0 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Program: wxWidgets Widgets Sample
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// Name: activityindicator.cpp
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// Purpose: Part of the widgets sample showing wxActivityIndicator
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// Author: Vadim Zeitlin
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// Created: 2015-03-06
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// Copyright: (c) 2015 wxWindows team
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// Licence: wxWindows licence
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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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#if wxUSE_ACTIVITYINDICATOR
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// for all others, include the necessary headers
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#ifndef WX_PRECOMP
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#include "wx/button.h"
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#include "wx/sizer.h"
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#include "wx/stattext.h"
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#endif
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#include "wx/activityindicator.h"
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#include "widgets.h"
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#include "icons/activityindicator.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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ActivityIndicator_Start = wxID_HIGHEST,
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ActivityIndicator_Stop,
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ActivityIndicator_IsRunning
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};
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// ----------------------------------------------------------------------------
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// ActivityIndicatorWidgetsPage
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// ----------------------------------------------------------------------------
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class ActivityIndicatorWidgetsPage : public WidgetsPage
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{
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public:
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ActivityIndicatorWidgetsPage(WidgetsBookCtrl *book, wxImageList *imaglist)
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: WidgetsPage(book, imaglist, activityindicator_xpm)
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{
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m_indicator = NULL;
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m_sizerIndicator = NULL;
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}
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virtual wxWindow *GetWidget() const wxOVERRIDE { return m_indicator; }
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virtual void RecreateWidget() wxOVERRIDE;
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// lazy creation of the content
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virtual void CreateContent() wxOVERRIDE;
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protected:
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void OnButtonStart(wxCommandEvent&) { m_indicator->Start(); }
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void OnButtonStop(wxCommandEvent&) { m_indicator->Stop(); }
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void OnUpdateIsRunning(wxUpdateUIEvent& event)
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{
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event.SetText(m_indicator && m_indicator->IsRunning()
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? "Indicator is running"
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: "Indicator is stopped");
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}
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// the indicator itself and the sizer it is in
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wxActivityIndicator *m_indicator;
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wxSizer *m_sizerIndicator;
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private:
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wxDECLARE_EVENT_TABLE();
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DECLARE_WIDGETS_PAGE(ActivityIndicatorWidgetsPage)
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};
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// ----------------------------------------------------------------------------
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// event tables
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// ----------------------------------------------------------------------------
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wxBEGIN_EVENT_TABLE(ActivityIndicatorWidgetsPage, WidgetsPage)
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EVT_BUTTON(ActivityIndicator_Start,
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ActivityIndicatorWidgetsPage::OnButtonStart)
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EVT_BUTTON(ActivityIndicator_Stop,
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ActivityIndicatorWidgetsPage::OnButtonStop)
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EVT_UPDATE_UI(ActivityIndicator_IsRunning,
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ActivityIndicatorWidgetsPage::OnUpdateIsRunning)
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wxEND_EVENT_TABLE()
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// ============================================================================
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// implementation
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// ============================================================================
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IMPLEMENT_WIDGETS_PAGE(ActivityIndicatorWidgetsPage,
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"ActivityIndicator", NATIVE_CTRLS);
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void ActivityIndicatorWidgetsPage::CreateContent()
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{
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wxSizer* const sizerOper = new wxStaticBoxSizer(wxVERTICAL, this,
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"&Operations");
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sizerOper->Add(new wxButton(this, ActivityIndicator_Start, "&Start"),
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wxSizerFlags().Expand().Border());
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sizerOper->Add(new wxButton(this, ActivityIndicator_Stop, "&Stop"),
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wxSizerFlags().Expand().Border());
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sizerOper->Add(new wxStaticText(this, ActivityIndicator_IsRunning,
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"Indicator is initializing..."),
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wxSizerFlags().Expand().Border());
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m_sizerIndicator = new wxStaticBoxSizer(wxHORIZONTAL, this,
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"Activity Indicator");
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RecreateWidget();
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wxSizer* const sizerTop = new wxBoxSizer(wxHORIZONTAL);
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sizerTop->Add(sizerOper, wxSizerFlags().Expand().DoubleBorder());
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sizerTop->Add(m_sizerIndicator, wxSizerFlags(1).Expand().DoubleBorder());
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SetSizer(sizerTop);
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}
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void ActivityIndicatorWidgetsPage::RecreateWidget()
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{
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m_sizerIndicator->Clear(true /* delete windows */);
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m_indicator = new wxActivityIndicator(this, wxID_ANY,
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wxDefaultPosition, wxDefaultSize,
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GetAttrs().m_defaultFlags);
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m_sizerIndicator->AddStretchSpacer();
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m_sizerIndicator->Add(m_indicator, wxSizerFlags().Centre());
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m_sizerIndicator->AddStretchSpacer();
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m_sizerIndicator->Layout();
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}
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#endif // wxUSE_ACTIVITYINDICATOR
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