wxWidgets/tests/events/keyboard.cpp
2014-09-23 17:40:15 +00:00

375 lines
11 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: tests/events/keyboard.cpp
// Purpose: Test keyboard events
// Author: Vadim Zeitlin
// Created: 2010-09-05
// Copyright: (c) 2010 Vadim Zeitlin <vadim@wxwidgets.org>
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// FIXME: As all the other tests involving wxUIActionSimulator, this one is
// broken under OS X, the test window siply never gets any events.
#if wxUSE_UIACTIONSIMULATOR && !defined(__WXOSX__)
#ifndef WX_PRECOMP
#include "wx/app.h"
#include "wx/event.h"
#include "wx/window.h"
#endif // WX_PRECOMP
#include "wx/uiaction.h"
#include "wx/vector.h"
namespace
{
// ----------------------------------------------------------------------------
// test window verifying the event generation
// ----------------------------------------------------------------------------
class KeyboardTestWindow : public wxWindow
{
public:
KeyboardTestWindow(wxWindow *parent)
: wxWindow(parent, wxID_ANY, wxPoint(0, 0), parent->GetClientSize())
{
Connect(wxEVT_KEY_DOWN, wxKeyEventHandler(KeyboardTestWindow::OnKeyDown));
Connect(wxEVT_CHAR, wxKeyEventHandler(KeyboardTestWindow::OnChar));
Connect(wxEVT_KEY_UP, wxKeyEventHandler(KeyboardTestWindow::OnKeyUp));
}
unsigned GetKeyDownCount() const { return m_keyDownEvents.size(); }
unsigned GetCharCount() const { return m_charEvents.size(); }
unsigned GetKeyUpCount() const { return m_keyUpEvents.size(); }
const wxKeyEvent& GetKeyDownEvent(unsigned n = 0) const
{
return m_keyDownEvents[n];
}
const wxKeyEvent& GetCharEvent(unsigned n = 0) const
{
return m_charEvents[n];
}
const wxKeyEvent& GetKeyUpEvent(unsigned n = 0) const
{
return m_keyUpEvents[n];
}
void ClearEvents()
{
m_keyDownEvents =
m_charEvents =
m_keyUpEvents = wxVector<wxKeyEvent>();
}
private:
void OnKeyDown(wxKeyEvent& event)
{
m_keyDownEvents.push_back(event);
event.Skip();
}
void OnChar(wxKeyEvent& event)
{
m_charEvents.push_back(event);
event.Skip();
}
void OnKeyUp(wxKeyEvent& event)
{
m_keyUpEvents.push_back(event);
event.Skip();
}
wxVector<wxKeyEvent> m_keyDownEvents,
m_charEvents,
m_keyUpEvents;
wxDECLARE_NO_COPY_CLASS(KeyboardTestWindow);
};
// Object describing the (main fields of) keyboard event.
struct KeyDesc
{
KeyDesc(int keycode, int mods = 0)
: m_keycode(keycode),
m_mods(mods)
{
}
int m_keycode;
int m_mods;
};
// Helper for ModKeyDown().
int GetModForKey(int keycode)
{
switch ( keycode )
{
case WXK_CONTROL: return wxMOD_CONTROL;
case WXK_SHIFT: return wxMOD_SHIFT;
case WXK_ALT: return wxMOD_ALT;
default:
wxFAIL_MSG( "Unknown modifier key" );
}
return wxMOD_NONE;
}
// Helper function to allow writing just ModKeyDown(WXK_CONTROL) instead of
// more verbose KeyDesc(WXK_CONTROL, wxMOD_CONTROL).
KeyDesc ModKeyDown(int keycode)
{
return KeyDesc(keycode, GetModForKey(keycode));
}
// Another helper provided for symmetry with ModKeyDown() only.
KeyDesc ModKeyUp(int keycode)
{
return KeyDesc(keycode);
}
// Verify that the event object corresponds to our idea of what it should be.
void TestEvent(int line, const wxKeyEvent& ev, const KeyDesc& desc)
{
// Construct the message we'll display if an assert fails.
std::string msg;
const wxEventType t = ev.GetEventType();
if ( t == wxEVT_KEY_DOWN )
msg = "key down";
else if ( t == wxEVT_CHAR )
msg = "char";
else if ( t == wxEVT_KEY_UP )
msg = "key up";
else
CPPUNIT_FAIL( "unknown event type" );
msg += " event at line ";
msg += wxString::Format("%d", line).mb_str();
CPPUNIT_ASSERT_EQUAL_MESSAGE( "wrong key code in " + msg,
desc.m_keycode,
ev.GetKeyCode() );
#if wxUSE_UNICODE
if ( desc.m_keycode < WXK_START )
{
// For Latin-1 our key code is the same as Unicode character value.
CPPUNIT_ASSERT_EQUAL_MESSAGE( "wrong Unicode key in " + msg,
(char)desc.m_keycode,
(char)ev.GetUnicodeKey() );
}
else // Special key
{
// Key codes above WXK_START don't correspond to printable characters.
CPPUNIT_ASSERT_EQUAL_MESSAGE( "wrong non-zero Unicode key in " + msg,
0,
(int)ev.GetUnicodeKey() );
}
#endif // wxUSE_UNICODE
CPPUNIT_ASSERT_EQUAL_MESSAGE( "wrong modifiers in " + msg,
desc.m_mods,
ev.GetModifiers() );
}
// Call TestEvent() passing it the line number from where it was called: this
// is useful for interpreting the assert failure messages.
#define ASSERT_KEY_EVENT_IS( ev, desc ) TestEvent(__LINE__, ev, desc)
} // anonymous namespace
// --------------------------------------------------------------------------
// test class
// --------------------------------------------------------------------------
class KeyboardEventTestCase : public CppUnit::TestCase
{
public:
KeyboardEventTestCase() {}
virtual void setUp();
virtual void tearDown();
private:
CPPUNIT_TEST_SUITE( KeyboardEventTestCase );
// FIXME: this test will cause test_gui segmentation fault. Disable it for now.
#if !defined(__WXUNIVERSAL__) && !defined (__WXX11__)
CPPUNIT_TEST( NormalLetter );
CPPUNIT_TEST( NormalSpecial );
CPPUNIT_TEST( CtrlLetter );
CPPUNIT_TEST( CtrlSpecial );
CPPUNIT_TEST( ShiftLetter );
CPPUNIT_TEST( ShiftSpecial );
#endif
CPPUNIT_TEST_SUITE_END();
void NormalLetter();
void NormalSpecial();
void CtrlLetter();
void CtrlSpecial();
void ShiftLetter();
void ShiftSpecial();
KeyboardTestWindow *m_win;
wxDECLARE_NO_COPY_CLASS(KeyboardEventTestCase);
};
wxREGISTER_UNIT_TEST(KeyboardEvent);
void KeyboardEventTestCase::setUp()
{
m_win = new KeyboardTestWindow(wxTheApp->GetTopWindow());
m_win->SetFocus();
wxYield(); // needed to show the new window
// The window might get some key up events when it's being shown if the key
// was pressed when the program was started and released after the window
// was shown, e.g. this does happen in practice when launching the test
// from command line. Simply discard all the spurious events so far.
m_win->ClearEvents();
}
void KeyboardEventTestCase::tearDown()
{
m_win->Destroy();
}
void KeyboardEventTestCase::NormalLetter()
{
wxUIActionSimulator sim;
sim.Char('a');
wxYield();
CPPUNIT_ASSERT_EQUAL( 1, m_win->GetKeyDownCount() );
ASSERT_KEY_EVENT_IS( m_win->GetKeyDownEvent(), 'A' );
CPPUNIT_ASSERT_EQUAL( 1, m_win->GetCharCount() );
ASSERT_KEY_EVENT_IS( m_win->GetCharEvent(), 'a' );
CPPUNIT_ASSERT_EQUAL( 1, m_win->GetKeyUpCount() );
ASSERT_KEY_EVENT_IS( m_win->GetKeyUpEvent(), 'A' );
}
void KeyboardEventTestCase::NormalSpecial()
{
wxUIActionSimulator sim;
sim.Char(WXK_END);
wxYield();
CPPUNIT_ASSERT_EQUAL( 1, m_win->GetKeyDownCount() );
ASSERT_KEY_EVENT_IS( m_win->GetKeyDownEvent(), WXK_END );
CPPUNIT_ASSERT_EQUAL( 1, m_win->GetCharCount() );
ASSERT_KEY_EVENT_IS( m_win->GetCharEvent(), WXK_END );
CPPUNIT_ASSERT_EQUAL( 1, m_win->GetKeyUpCount() );
ASSERT_KEY_EVENT_IS( m_win->GetKeyUpEvent(), WXK_END );
}
void KeyboardEventTestCase::CtrlLetter()
{
wxUIActionSimulator sim;
sim.Char('z', wxMOD_CONTROL);
wxYield();
CPPUNIT_ASSERT_EQUAL( 2, m_win->GetKeyDownCount() );
ASSERT_KEY_EVENT_IS( m_win->GetKeyDownEvent(0),
ModKeyDown(WXK_CONTROL) );
ASSERT_KEY_EVENT_IS( m_win->GetKeyDownEvent(1),
KeyDesc('Z', wxMOD_CONTROL) );
CPPUNIT_ASSERT_EQUAL( 1, m_win->GetCharCount() );
ASSERT_KEY_EVENT_IS( m_win->GetCharEvent(),
KeyDesc('\x1a', wxMOD_CONTROL) );
CPPUNIT_ASSERT_EQUAL( 2, m_win->GetKeyUpCount() );
ASSERT_KEY_EVENT_IS( m_win->GetKeyUpEvent(0),
KeyDesc('Z', wxMOD_CONTROL) );
ASSERT_KEY_EVENT_IS( m_win->GetKeyUpEvent(1),
ModKeyUp(WXK_CONTROL) );
}
void KeyboardEventTestCase::CtrlSpecial()
{
wxUIActionSimulator sim;
sim.Char(WXK_PAGEUP, wxMOD_CONTROL);
wxYield();
CPPUNIT_ASSERT_EQUAL( 2, m_win->GetKeyDownCount() );
ASSERT_KEY_EVENT_IS( m_win->GetKeyDownEvent(0),
ModKeyDown(WXK_CONTROL) );
ASSERT_KEY_EVENT_IS( m_win->GetKeyDownEvent(1),
KeyDesc(WXK_PAGEUP, wxMOD_CONTROL) );
CPPUNIT_ASSERT_EQUAL( 1, m_win->GetCharCount() );
ASSERT_KEY_EVENT_IS( m_win->GetCharEvent(),
KeyDesc(WXK_PAGEUP, wxMOD_CONTROL) );
CPPUNIT_ASSERT_EQUAL( 2, m_win->GetKeyUpCount() );
ASSERT_KEY_EVENT_IS( m_win->GetKeyUpEvent(0),
KeyDesc(WXK_PAGEUP, wxMOD_CONTROL) );
ASSERT_KEY_EVENT_IS( m_win->GetKeyUpEvent(1),
ModKeyUp(WXK_CONTROL) );
}
void KeyboardEventTestCase::ShiftLetter()
{
wxUIActionSimulator sim;
sim.Char('Q', wxMOD_SHIFT);
wxYield();
CPPUNIT_ASSERT_EQUAL( 2, m_win->GetKeyDownCount() );
ASSERT_KEY_EVENT_IS( m_win->GetKeyDownEvent(0),
ModKeyDown(WXK_SHIFT) );
ASSERT_KEY_EVENT_IS( m_win->GetKeyDownEvent(1),
KeyDesc('Q', wxMOD_SHIFT) );
CPPUNIT_ASSERT_EQUAL( 1, m_win->GetCharCount() );
ASSERT_KEY_EVENT_IS( m_win->GetCharEvent(),
KeyDesc('Q', wxMOD_SHIFT) );
CPPUNIT_ASSERT_EQUAL( 2, m_win->GetKeyUpCount() );
ASSERT_KEY_EVENT_IS( m_win->GetKeyUpEvent(0),
KeyDesc('Q', wxMOD_SHIFT) );
ASSERT_KEY_EVENT_IS( m_win->GetKeyUpEvent(1),
ModKeyUp(WXK_SHIFT) );
}
void KeyboardEventTestCase::ShiftSpecial()
{
wxUIActionSimulator sim;
sim.Char(WXK_F3, wxMOD_SHIFT);
wxYield();
CPPUNIT_ASSERT_EQUAL( 2, m_win->GetKeyDownCount() );
ASSERT_KEY_EVENT_IS( m_win->GetKeyDownEvent(0),
ModKeyDown(WXK_SHIFT) );
ASSERT_KEY_EVENT_IS( m_win->GetKeyDownEvent(1),
KeyDesc(WXK_F3, wxMOD_SHIFT) );
CPPUNIT_ASSERT_EQUAL( 1, m_win->GetCharCount() );
ASSERT_KEY_EVENT_IS( m_win->GetCharEvent(),
KeyDesc(WXK_F3, wxMOD_SHIFT) );
CPPUNIT_ASSERT_EQUAL( 2, m_win->GetKeyUpCount() );
ASSERT_KEY_EVENT_IS( m_win->GetKeyUpEvent(0),
KeyDesc(WXK_F3, wxMOD_SHIFT) );
ASSERT_KEY_EVENT_IS( m_win->GetKeyUpEvent(1),
ModKeyUp(WXK_SHIFT) );
}
#endif // wxUSE_UIACTIONSIMULATOR