wxwidgets/samples/widgets/activityindicator.cpp
PB a69fabecb1 Fix using wxStaticBoxSizer in samples
If a control is contained in a wxStaticBoxSizer or its child sizer,
wxStaticBoxSizer::GetStaticBox() should be used as the control's parent.

However, widgets and dialogs samples did not do that, which resulted in
flooding the message log in widgets sample with warnings about this; in
dialogs sample the warnings were shown in the debug output.

Fix this by always using the static box as the control's parent when the
control is contained (directly or indirectly) in a wxStaticBoxSizer.

Closes #23967.
2023-10-22 01:27:55 +02:00

154 lines
5.2 KiB
C++

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