78b98bf00c
Detect using flags corresponding to the major sizer direction (which doesn't make sense as only the proportion governs the behaviour in this direction) and also combinations of alignment flags with wxEXPAND.
441 lines
14 KiB
C++
441 lines
14 KiB
C++
///////////////////////////////////////////////////////////////////////////////
|
|
// Name: tests/sizers/boxsizer.cpp
|
|
// Purpose: Unit tests for wxBoxSizer
|
|
// Author: Vadim Zeitlin
|
|
// Created: 2010-03-06
|
|
// Copyright: (c) 2010 Vadim Zeitlin <vadim@wxwidgets.org>
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// headers
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#include "testprec.h"
|
|
|
|
#ifdef __BORLANDC__
|
|
#pragma hdrstop
|
|
#endif
|
|
|
|
#ifndef WX_PRECOMP
|
|
#include "wx/app.h"
|
|
#include "wx/sizer.h"
|
|
#include "wx/listbox.h"
|
|
#endif // WX_PRECOMP
|
|
|
|
#include "asserthelper.h"
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// test class
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class BoxSizerTestCase : public CppUnit::TestCase
|
|
{
|
|
public:
|
|
BoxSizerTestCase() { }
|
|
|
|
virtual void setUp();
|
|
virtual void tearDown();
|
|
|
|
private:
|
|
CPPUNIT_TEST_SUITE( BoxSizerTestCase );
|
|
CPPUNIT_TEST( Size1 );
|
|
CPPUNIT_TEST( Size3 );
|
|
CPPUNIT_TEST( CalcMin );
|
|
CPPUNIT_TEST( BestSizeRespectsMaxSize );
|
|
CPPUNIT_TEST( RecalcSizesRespectsMaxSize1 );
|
|
CPPUNIT_TEST( RecalcSizesRespectsMaxSize2 );
|
|
CPPUNIT_TEST( IncompatibleFlags );
|
|
CPPUNIT_TEST_SUITE_END();
|
|
|
|
void Size1();
|
|
void Size3();
|
|
void CalcMin();
|
|
void BestSizeRespectsMaxSize();
|
|
void RecalcSizesRespectsMaxSize1();
|
|
void RecalcSizesRespectsMaxSize2();
|
|
void IncompatibleFlags();
|
|
|
|
wxWindow *m_win;
|
|
wxSizer *m_sizer;
|
|
|
|
DECLARE_NO_COPY_CLASS(BoxSizerTestCase)
|
|
};
|
|
|
|
// register in the unnamed registry so that these tests are run by default
|
|
CPPUNIT_TEST_SUITE_REGISTRATION( BoxSizerTestCase );
|
|
|
|
// also include in its own registry so that these tests can be run alone
|
|
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( BoxSizerTestCase, "BoxSizerTestCase" );
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// test initialization
|
|
// ----------------------------------------------------------------------------
|
|
|
|
void BoxSizerTestCase::setUp()
|
|
{
|
|
m_win = new wxWindow(wxTheApp->GetTopWindow(), wxID_ANY);
|
|
m_win->SetClientSize(127, 35);
|
|
|
|
m_sizer = new wxBoxSizer(wxHORIZONTAL);
|
|
m_win->SetSizer(m_sizer);
|
|
}
|
|
|
|
void BoxSizerTestCase::tearDown()
|
|
{
|
|
delete m_win;
|
|
m_win = NULL;
|
|
|
|
m_sizer = NULL;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// tests themselves
|
|
// ----------------------------------------------------------------------------
|
|
|
|
void BoxSizerTestCase::Size1()
|
|
{
|
|
const wxSize sizeTotal = m_win->GetClientSize();
|
|
const wxSize sizeChild = sizeTotal / 2;
|
|
|
|
wxWindow * const
|
|
child = new wxWindow(m_win, wxID_ANY, wxDefaultPosition, sizeChild);
|
|
m_sizer->Add(child);
|
|
m_win->Layout();
|
|
CPPUNIT_ASSERT_EQUAL( sizeChild, child->GetSize() );
|
|
|
|
m_sizer->Clear();
|
|
m_sizer->Add(child, wxSizerFlags(1));
|
|
m_win->Layout();
|
|
CPPUNIT_ASSERT_EQUAL( wxSize(sizeTotal.x, sizeChild.y), child->GetSize() );
|
|
|
|
m_sizer->Clear();
|
|
m_sizer->Add(child, wxSizerFlags(1).Expand());
|
|
m_win->Layout();
|
|
CPPUNIT_ASSERT_EQUAL( sizeTotal, child->GetSize() );
|
|
|
|
m_sizer->Clear();
|
|
m_sizer->Add(child, wxSizerFlags());
|
|
m_sizer->SetItemMinSize(child, sizeTotal*2);
|
|
m_win->Layout();
|
|
CPPUNIT_ASSERT_EQUAL( sizeTotal, child->GetSize() );
|
|
|
|
m_sizer->Clear();
|
|
m_sizer->Add(child, wxSizerFlags().Expand());
|
|
m_sizer->SetItemMinSize(child, sizeTotal*2);
|
|
m_win->Layout();
|
|
CPPUNIT_ASSERT_EQUAL( sizeTotal, child->GetSize() );
|
|
}
|
|
|
|
void BoxSizerTestCase::Size3()
|
|
{
|
|
// check that various combinations of minimal sizes and proportions work as
|
|
// expected for different window sizes
|
|
static const struct LayoutTestData
|
|
{
|
|
// proportions of the elements
|
|
int prop[3];
|
|
|
|
// minimal sizes of the elements in the sizer direction
|
|
int minsize[3];
|
|
|
|
// total size and the expected sizes of the elements
|
|
int x,
|
|
sizes[3];
|
|
|
|
// if true, don't try the permutations of our test data
|
|
bool dontPermute;
|
|
|
|
|
|
// Add the given window to the sizer with the corresponding parameters
|
|
void AddToSizer(wxSizer *sizer, wxWindow *win, int n) const
|
|
{
|
|
sizer->Add(win, wxSizerFlags(prop[n]));
|
|
sizer->SetItemMinSize(win, wxSize(minsize[n], -1));
|
|
}
|
|
|
|
} layoutTestData[] =
|
|
{
|
|
// some really simple cases (no need to permute those, they're
|
|
// symmetrical anyhow)
|
|
{ { 1, 1, 1, }, { 50, 50, 50, }, 150, { 50, 50, 50, }, true },
|
|
{ { 2, 2, 2, }, { 50, 50, 50, }, 600, { 200, 200, 200, }, true },
|
|
|
|
// items with different proportions and min sizes when there is enough
|
|
// space to lay them out
|
|
{ { 1, 2, 3, }, { 0, 0, 0, }, 600, { 100, 200, 300, } },
|
|
{ { 1, 2, 3, }, { 100, 100, 100, }, 600, { 100, 200, 300, } },
|
|
{ { 1, 2, 3, }, { 100, 50, 50, }, 600, { 100, 200, 300, } },
|
|
{ { 0, 1, 1, }, { 200, 100, 100, }, 600, { 200, 200, 200, } },
|
|
{ { 0, 1, 2, }, { 300, 100, 100, }, 600, { 300, 100, 200, } },
|
|
{ { 0, 1, 1, }, { 100, 50, 50, }, 300, { 100, 100, 100, } },
|
|
{ { 0, 1, 2, }, { 100, 50, 50, }, 400, { 100, 100, 200, } },
|
|
|
|
// cases when there is not enough space to lay out the items correctly
|
|
// while still respecting their min sizes
|
|
{ { 0, 1, 1, }, { 100, 150, 50, }, 300, { 100, 150, 50, } },
|
|
{ { 1, 2, 3, }, { 100, 100, 100, }, 300, { 100, 100, 100, } },
|
|
{ { 1, 2, 3, }, { 100, 50, 50, }, 300, { 100, 80, 120, } },
|
|
{ { 1, 2, 3, }, { 100, 10, 10, }, 150, { 100, 20, 30, } },
|
|
|
|
// cases when there is not enough space even for the min sizes (don't
|
|
// permute in these cases as the layout does depend on the item order
|
|
// because the first ones have priority)
|
|
{ { 1, 2, 3, }, { 100, 50, 50, }, 150, { 100, 50, 0, }, true },
|
|
{ { 1, 2, 3, }, { 100, 100, 100, }, 200, { 100, 100, 0, }, true },
|
|
{ { 1, 2, 3, }, { 100, 100, 100, }, 150, { 100, 50, 0, }, true },
|
|
{ { 1, 2, 3, }, { 100, 100, 100, }, 50, { 50, 0, 0, }, true },
|
|
{ { 1, 2, 3, }, { 100, 100, 100, }, 0, { 0, 0, 0, }, true },
|
|
};
|
|
|
|
wxWindow *child[3];
|
|
child[0] = new wxWindow(m_win, wxID_ANY);
|
|
child[1] = new wxWindow(m_win, wxID_ANY);
|
|
child[2] = new wxWindow(m_win, wxID_ANY);
|
|
|
|
for ( unsigned i = 0; i < WXSIZEOF(layoutTestData); i++ )
|
|
{
|
|
LayoutTestData ltd = layoutTestData[i];
|
|
|
|
// the results shouldn't depend on the order of items except in the
|
|
// case when there is not enough space for even the fixed width items
|
|
// (in which case the first ones might get enough of it but not the
|
|
// last ones) so test a couple of permutations of test data unless
|
|
// specifically disabled for this test case
|
|
for ( unsigned p = 0; p < 3; p++)
|
|
{
|
|
switch ( p )
|
|
{
|
|
case 0:
|
|
// nothing to do, use original data
|
|
break;
|
|
|
|
case 1:
|
|
// exchange first and last elements
|
|
wxSwap(ltd.prop[0], ltd.prop[2]);
|
|
wxSwap(ltd.minsize[0], ltd.minsize[2]);
|
|
wxSwap(ltd.sizes[0], ltd.sizes[2]);
|
|
break;
|
|
|
|
case 2:
|
|
// exchange the original third and second elements
|
|
wxSwap(ltd.prop[0], ltd.prop[1]);
|
|
wxSwap(ltd.minsize[0], ltd.minsize[1]);
|
|
wxSwap(ltd.sizes[0], ltd.sizes[1]);
|
|
break;
|
|
}
|
|
|
|
m_sizer->Clear();
|
|
|
|
unsigned j;
|
|
for ( j = 0; j < WXSIZEOF(child); j++ )
|
|
ltd.AddToSizer(m_sizer, child[j], j);
|
|
|
|
m_win->SetClientSize(ltd.x, -1);
|
|
m_win->Layout();
|
|
|
|
for ( j = 0; j < WXSIZEOF(child); j++ )
|
|
{
|
|
WX_ASSERT_EQUAL_MESSAGE
|
|
(
|
|
(
|
|
"test %lu, permutation #%lu: wrong size for child #%d "
|
|
"for total size %d",
|
|
static_cast<unsigned long>(i),
|
|
static_cast<unsigned long>(p),
|
|
j,
|
|
ltd.x
|
|
),
|
|
ltd.sizes[j], child[j]->GetSize().x
|
|
);
|
|
}
|
|
|
|
// don't try other permutations if explicitly disabled
|
|
if ( ltd.dontPermute )
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void BoxSizerTestCase::CalcMin()
|
|
{
|
|
static const unsigned NUM_TEST_ITEM = 3;
|
|
|
|
static const struct CalcMinTestData
|
|
{
|
|
// proportions of the elements, if one of them is -1 it means to not
|
|
// use this window at all in this test
|
|
int prop[NUM_TEST_ITEM];
|
|
|
|
// minimal sizes of the elements in the sizer direction
|
|
int minsize[NUM_TEST_ITEM];
|
|
|
|
// the expected minimal sizer size
|
|
int total;
|
|
} calcMinTestData[] =
|
|
{
|
|
{ { 1, 1, -1 }, { 30, 50, 0 }, 100 },
|
|
{ { 1, 1, 0 }, { 30, 50, 20 }, 120 },
|
|
{ { 10, 10, -1 }, { 30, 50, 0 }, 100 },
|
|
{ { 1, 2, 2 }, { 50, 50, 80 }, 250 },
|
|
{ { 1, 2, 2 }, { 100, 50, 80 }, 500 },
|
|
};
|
|
|
|
unsigned n;
|
|
wxWindow *child[NUM_TEST_ITEM];
|
|
for ( n = 0; n < NUM_TEST_ITEM; n++ )
|
|
child[n] = new wxWindow(m_win, wxID_ANY);
|
|
|
|
for ( unsigned i = 0; i < WXSIZEOF(calcMinTestData); i++ )
|
|
{
|
|
m_sizer->Clear();
|
|
|
|
const CalcMinTestData& cmtd = calcMinTestData[i];
|
|
for ( n = 0; n < NUM_TEST_ITEM; n++ )
|
|
{
|
|
if ( cmtd.prop[n] != -1 )
|
|
{
|
|
child[n]->SetInitialSize(wxSize(cmtd.minsize[n], -1));
|
|
m_sizer->Add(child[n], wxSizerFlags(cmtd.prop[n]));
|
|
}
|
|
}
|
|
|
|
WX_ASSERT_EQUAL_MESSAGE
|
|
(
|
|
("In test #%u", i),
|
|
cmtd.total, m_sizer->CalcMin().x
|
|
);
|
|
}
|
|
}
|
|
|
|
void BoxSizerTestCase::BestSizeRespectsMaxSize()
|
|
{
|
|
m_sizer->Clear();
|
|
|
|
const int maxWidth = 100;
|
|
|
|
wxSizer* sizer = new wxBoxSizer(wxVERTICAL);
|
|
wxListBox* listbox = new wxListBox(m_win, wxID_ANY);
|
|
listbox->Append("some very very very very very very very very very very very long string");
|
|
listbox->SetMaxSize(wxSize(maxWidth, -1));
|
|
sizer->Add(listbox);
|
|
|
|
m_sizer->Add(sizer);
|
|
m_win->Layout();
|
|
|
|
CPPUNIT_ASSERT_EQUAL(maxWidth, listbox->GetSize().GetWidth());
|
|
}
|
|
|
|
void BoxSizerTestCase::RecalcSizesRespectsMaxSize1()
|
|
{
|
|
m_sizer->Clear();
|
|
|
|
const int maxWidth = 100;
|
|
|
|
m_win->SetClientSize(300, 300);
|
|
|
|
wxSizer* sizer1 = new wxBoxSizer(wxVERTICAL);
|
|
m_sizer->Add(sizer1);
|
|
|
|
wxListBox* listbox1 = new wxListBox(m_win, wxID_ANY);
|
|
listbox1->Append("some very very very very very very very very very very very long string");
|
|
sizer1->Add(listbox1);
|
|
|
|
wxSizer* sizer2 = new wxBoxSizer(wxHORIZONTAL);
|
|
sizer1->Add(sizer2, wxSizerFlags().Expand());
|
|
|
|
wxListBox* listbox2 = new wxListBox(m_win, wxID_ANY);
|
|
listbox2->Append("some string");
|
|
listbox2->SetMaxSize(wxSize(100, -1));
|
|
sizer2->Add(listbox2, wxSizerFlags().Proportion(1));
|
|
|
|
m_win->Layout();
|
|
|
|
CPPUNIT_ASSERT_EQUAL(maxWidth, listbox2->GetSize().GetWidth());
|
|
}
|
|
|
|
void BoxSizerTestCase::RecalcSizesRespectsMaxSize2()
|
|
{
|
|
m_sizer->Clear();
|
|
|
|
m_win->SetClientSize(300, 300);
|
|
|
|
wxSizer* sizer1 = new wxBoxSizer(wxVERTICAL);
|
|
m_sizer->Add(sizer1, wxSizerFlags().Expand());
|
|
|
|
wxWindow* child1 = new wxWindow(m_win, wxID_ANY);
|
|
sizer1->Add(child1, wxSizerFlags().Proportion(1));
|
|
|
|
wxWindow* child2 = new wxWindow(m_win, wxID_ANY);
|
|
child2->SetMaxSize(wxSize(-1, 50));
|
|
sizer1->Add(child2, wxSizerFlags().Proportion(1));
|
|
|
|
wxWindow* child3 = new wxWindow(m_win, wxID_ANY);
|
|
sizer1->Add(child3, wxSizerFlags().Proportion(1));
|
|
|
|
m_win->Layout();
|
|
|
|
CPPUNIT_ASSERT_EQUAL(125, child1->GetSize().GetHeight());
|
|
CPPUNIT_ASSERT_EQUAL(50, child2->GetSize().GetHeight());
|
|
CPPUNIT_ASSERT_EQUAL(125, child3->GetSize().GetHeight());
|
|
}
|
|
|
|
void BoxSizerTestCase::IncompatibleFlags()
|
|
{
|
|
#define ASSERT_SIZER_INVALID_FLAGS(f, msg) \
|
|
WX_ASSERT_FAILS_WITH_ASSERT_MESSAGE( \
|
|
"Expected assertion not generated for " msg, \
|
|
m_sizer->Add(10, 10, 0, f) \
|
|
)
|
|
|
|
#define ASSERT_SIZER_INCOMPATIBLE_FLAGS(f1, f2) \
|
|
ASSERT_SIZER_INVALID_FLAGS(f1 | f2, \
|
|
"using incompatible flags " #f1 " and " #f2 \
|
|
)
|
|
|
|
// In horizontal sizers alignment is only used in vertical direction.
|
|
ASSERT_SIZER_INVALID_FLAGS(
|
|
wxALIGN_RIGHT,
|
|
"using wxALIGN_RIGHT in a horizontal sizer"
|
|
);
|
|
|
|
ASSERT_SIZER_INVALID_FLAGS(
|
|
wxALIGN_CENTRE_HORIZONTAL,
|
|
"using wxALIGN_CENTRE_HORIZONTAL in a horizontal sizer"
|
|
);
|
|
|
|
// However using wxALIGN_CENTRE_HORIZONTAL together with
|
|
// wxALIGN_CENTRE_VERTICAL as done by wxSizerFlags::Centre() should work.
|
|
m_sizer->Add(10, 10, wxSizerFlags().Centre());
|
|
|
|
// Combining two vertical alignment flags doesn't make sense.
|
|
ASSERT_SIZER_INCOMPATIBLE_FLAGS(wxALIGN_BOTTOM, wxALIGN_CENTRE_VERTICAL);
|
|
|
|
// Combining wxEXPAND with vertical alignment doesn't make sense neither.
|
|
ASSERT_SIZER_INCOMPATIBLE_FLAGS(wxEXPAND, wxALIGN_CENTRE_VERTICAL);
|
|
ASSERT_SIZER_INCOMPATIBLE_FLAGS(wxEXPAND, wxALIGN_BOTTOM);
|
|
|
|
|
|
// And now exactly the same thing in the other direction.
|
|
delete m_sizer;
|
|
m_sizer = new wxBoxSizer(wxVERTICAL);
|
|
|
|
ASSERT_SIZER_INVALID_FLAGS(
|
|
wxALIGN_BOTTOM,
|
|
"using wxALIGN_BOTTOM in a vertical sizer"
|
|
);
|
|
|
|
ASSERT_SIZER_INVALID_FLAGS(
|
|
wxALIGN_CENTRE_VERTICAL,
|
|
"using wxALIGN_CENTRE_VERTICAL in a vertical sizer"
|
|
);
|
|
|
|
m_sizer->Add(10, 10, wxSizerFlags().Centre());
|
|
|
|
ASSERT_SIZER_INCOMPATIBLE_FLAGS(wxALIGN_RIGHT, wxALIGN_CENTRE_HORIZONTAL);
|
|
ASSERT_SIZER_INCOMPATIBLE_FLAGS(wxEXPAND, wxALIGN_CENTRE_HORIZONTAL);
|
|
ASSERT_SIZER_INCOMPATIBLE_FLAGS(wxEXPAND, wxALIGN_RIGHT);
|
|
|
|
#undef ASSERT_SIZER_INCOMPATIBLE_FLAGS
|
|
#undef ASSERT_SIZER_INVALID_FLAGS
|
|
}
|