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Make wxWrapSizer demo in the layout sample more dynamic.

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Allow adding checkboxes to and removing them from the wrap sizer to
demonstrate how it adjusts to its contents dynamically.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72536 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2012-09-22 16:16:30 +00:00
parent 3e8cba9f8e
commit 73eb7ca93f
2 changed files with 65 additions and 28 deletions
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82
samples/layout/layout.cpp
View File

@ -681,54 +681,80 @@ MyNestedSizerFrame::MyNestedSizerFrame(const wxString &title, int x, int y )
// MyWrapSizerFrame
// ----------------------------------------------------------------------------
BEGIN_EVENT_TABLE(MyWrapSizerFrame, wxFrame)
EVT_MENU(wxID_ADD, MyWrapSizerFrame::OnAddCheckbox)
EVT_MENU(wxID_REMOVE, MyWrapSizerFrame::OnRemoveCheckbox)
END_EVENT_TABLE()
MyWrapSizerFrame::MyWrapSizerFrame(const wxString &title, int x, int y )
: wxFrame( NULL, wxID_ANY, title, wxPoint(x, y), wxSize(200,-1) )
{
wxMenu *menu = new wxMenu;
menu->Append(wxID_ABOUT, "Do nothing");
menu->Append(wxID_ADD, "&Add a checkbox\tCtrl-+");
menu->Append(wxID_REMOVE, "&Remove a checkbox\tCtrl--");
wxMenuBar *menu_bar = new wxMenuBar;
menu_bar->Append(menu, "&File");
menu_bar->Append(menu, "&Wrap sizer");
SetMenuBar( menu_bar );
wxBoxSizer *root = new wxBoxSizer( wxVERTICAL );
#if 0
wxSizer *row = new wxWrapSizer;
int i;
for (i = 0; i < 4; i++)
row->Add( new wxButton( this, -1, "Hello" ), 0, wxALL, 10 );
root->Add( row, 0, wxGROW );
wxStaticBoxSizer *topSizer = new wxStaticBoxSizer( wxVERTICAL, this, "Wrapping check-boxes" );
m_checkboxParent = topSizer->GetStaticBox();
m_wrapSizer = new wxWrapSizer(wxHORIZONTAL);
row = new wxWrapSizer;
for (i = 0; i < 4; i++)
row->Add( new wxButton( this, -1, "Hello" ) );
root->Add( row, 0, wxGROW );
#else
// A number of checkboxes inside a wrap sizer
wxSizer *ps_mid = new wxStaticBoxSizer( wxVERTICAL, this, "Wrapping check-boxes" );
wxSizer *ps_mid_wrap = new wxWrapSizer(wxHORIZONTAL);
ps_mid->Add( ps_mid_wrap, 100, wxEXPAND );
for( int ix=0; ix<6; ix++ )
ps_mid_wrap->Add( new wxCheckBox(this,wxID_ANY,wxString::Format("Option %d",ix+1)), 0, wxALIGN_CENTRE|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
root->Add( ps_mid, 0, wxEXPAND | wxALL, 5 );
for( int i = 0; i < 6; i++ )
DoAddCheckbox();
topSizer->Add( m_wrapSizer, wxSizerFlags(1).Expand());
root->Add( topSizer, wxSizerFlags().Expand().Border());
// A shaped item inside a box sizer
wxSizer *ps_bottom = new wxStaticBoxSizer( wxVERTICAL, this, "With wxSHAPED item" );
wxSizer *ps_bottom_box = new wxBoxSizer(wxHORIZONTAL);
ps_bottom->Add( ps_bottom_box, 100, wxEXPAND );
ps_bottom_box->Add( new wxListBox(this,wxID_ANY,wxPoint(0,0),wxSize(70,70)), 0, wxEXPAND|wxSHAPED );
ps_bottom_box->Add( 10,10 );
ps_bottom_box->Add( new wxCheckBox(this,wxID_ANY,"A much longer option..."), 100, 0, 5 );
wxSizer *bottomSizer = new wxStaticBoxSizer( wxVERTICAL, this, "With wxSHAPED item" );
wxSizer *horzBoxSizer = new wxBoxSizer(wxHORIZONTAL);
bottomSizer->Add( horzBoxSizer, 100, wxEXPAND );
horzBoxSizer->Add( new wxListBox(this,wxID_ANY,wxPoint(0,0),wxSize(70,70)), 0, wxEXPAND|wxSHAPED );
horzBoxSizer->Add( 10,10 );
horzBoxSizer->Add( new wxCheckBox(this,wxID_ANY,"A much longer option..."), 100, 0, 5 );
root->Add( ps_bottom, 1, wxEXPAND | wxALL, 5 );
#endif
root->Add( bottomSizer, 1, wxEXPAND | wxALL, 5 );
// Set sizer for window
SetSizerAndFit( root );
}
void MyWrapSizerFrame::DoAddCheckbox()
{
m_wrapSizer->Add(new wxCheckBox
(
m_checkboxParent,
wxID_ANY,
wxString::Format
(
"Option %d",
(int)m_wrapSizer->GetItemCount() + 1
)
),
wxSizerFlags().Centre().Border());
}
void MyWrapSizerFrame::OnAddCheckbox(wxCommandEvent& WXUNUSED(event))
{
DoAddCheckbox();
Layout();
}
void MyWrapSizerFrame::OnRemoveCheckbox(wxCommandEvent& WXUNUSED(event))
{
if ( m_wrapSizer->IsEmpty() )
{
wxLogStatus(this, "No more checkboxes to remove.");
return;
}
delete m_wrapSizer->GetItem(m_wrapSizer->GetItemCount() - 1)->GetWindow();
Layout();
}

11
samples/layout/layout.h
View File

@ -133,6 +133,17 @@ class MyWrapSizerFrame: public wxFrame
{
public:
MyWrapSizerFrame(const wxString &title, int x, int y );
private:
void OnAddCheckbox(wxCommandEvent& event);
void OnRemoveCheckbox(wxCommandEvent& event);
void DoAddCheckbox();
wxWindow* m_checkboxParent;
wxSizer* m_wrapSizer;
DECLARE_EVENT_TABLE()
};
// controls and menu constants