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wxWidgets/samples/layout/layout.cpp
Robin Dunn bdbb07ede3 Use a panel 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31470 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2005-01-18 21:21:57 +00:00

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/////////////////////////////////////////////////////////////////////////////
// Name: layout.cpp
// Purpose: Layout sample
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "wx/sizer.h"
#include "wx/gbsizer.h"
#include "wx/statline.h"
#include "wx/notebook.h"
#include "layout.h"
// ----------------------------------------------------------------------------
// MyApp
// ----------------------------------------------------------------------------
IMPLEMENT_APP(MyApp)
bool MyApp::OnInit()
{
// Create the main frame window
MyFrame *frame = new MyFrame;
frame->Show(true);
return true;
}
// ----------------------------------------------------------------------------
// MyFrame
// ----------------------------------------------------------------------------
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(LAYOUT_ABOUT, MyFrame::OnAbout)
EVT_MENU(LAYOUT_QUIT, MyFrame::OnQuit)
EVT_MENU(LAYOUT_TEST_SIZER, MyFrame::TestFlexSizers)
EVT_MENU(LAYOUT_TEST_NB_SIZER, MyFrame::TestNotebookSizers)
EVT_MENU(LAYOUT_TEST_GB_SIZER, MyFrame::TestGridBagSizer)
END_EVENT_TABLE()
// Define my frame constructor
MyFrame::MyFrame()
: wxFrame(NULL, wxID_ANY, _T("wxWidgets Layout Demo"),
wxDefaultPosition, wxDefaultSize,
wxDEFAULT_FRAME_STYLE | wxNO_FULL_REPAINT_ON_RESIZE)
{
// Make a menubar
wxMenu *file_menu = new wxMenu;
file_menu->Append(LAYOUT_TEST_SIZER, _T("Test wx&FlexSizer"));
file_menu->Append(LAYOUT_TEST_NB_SIZER, _T("&Test notebook sizers"));
file_menu->Append(LAYOUT_TEST_GB_SIZER, _T("Test &gridbag sizer"));
file_menu->AppendSeparator();
file_menu->Append(LAYOUT_QUIT, _T("E&xit"), _T("Quit program"));
wxMenu *help_menu = new wxMenu;
help_menu->Append(LAYOUT_ABOUT, _T("&About"), _T("About layout demo"));
wxMenuBar *menu_bar = new wxMenuBar;
menu_bar->Append(file_menu, _T("&File"));
menu_bar->Append(help_menu, _T("&Help"));
// Associate the menu bar with the frame
SetMenuBar(menu_bar);
#if wxUSE_STATUSBAR
CreateStatusBar(2);
SetStatusText(_T("wxWidgets layout demo"));
#endif // wxUSE_STATUSBAR
wxPanel* p = new wxPanel(this, -1);
// we want to get a dialog that is stretchable because it
// has a text ctrl in the middle. at the bottom, we have
// two buttons which.
wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
// 1) top: create wxStaticText with minimum size equal to its default size
topsizer->Add(
new wxStaticText( p, wxID_ANY, _T("An explanation (wxALIGN_RIGHT).") ),
wxSizerFlags().Align(wxALIGN_RIGHT).Border(wxALL & ~wxBOTTOM, 5));
// 2) top: create wxTextCtrl with minimum size (100x60)
topsizer->Add(
new wxTextCtrl( p, wxID_ANY, _T("My text (wxEXPAND)."), wxDefaultPosition, wxSize(100,60), wxTE_MULTILINE),
wxSizerFlags(1).Expand().Border(wxALL, 5));
// 2.5) Gratuitous test of wxStaticBoxSizers
wxBoxSizer *statsizer = new wxStaticBoxSizer(
new wxStaticBox(p, wxID_ANY, _T("A wxStaticBoxSizer")), wxVERTICAL );
statsizer->Add(
new wxStaticText(p, wxID_ANY, _T("And some TEXT inside it")),
wxSizerFlags().Center().Border(wxALL, 30));
topsizer->Add(
statsizer,
wxSizerFlags(1).Expand().Border(wxALL, 10));
// 2.7) And a test of wxGridSizer
wxGridSizer *gridsizer = new wxGridSizer(2, 5, 5);
gridsizer->Add(new wxStaticText(p, wxID_ANY, _T("Label")),
wxSizerFlags().Align(wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL));
gridsizer->Add(new wxTextCtrl(p, wxID_ANY, _T("Grid sizer demo")),
wxSizerFlags(1).Align(wxGROW | wxALIGN_CENTER_VERTICAL));
gridsizer->Add(new wxStaticText(p, wxID_ANY, _T("Another label")),
wxSizerFlags().Align(wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL));
gridsizer->Add(new wxTextCtrl(p, wxID_ANY, _T("More text")),
wxSizerFlags(1).Align(wxGROW | wxALIGN_CENTER_VERTICAL));
gridsizer->Add(new wxStaticText(p, wxID_ANY, _T("Final label")),
wxSizerFlags().Align(wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL));
gridsizer->Add(new wxTextCtrl(p, wxID_ANY, _T("And yet more text")),
wxSizerFlags().Align(wxGROW | wxALIGN_CENTER_VERTICAL));
topsizer->Add(
gridsizer,
wxSizerFlags().Proportion(1).Expand().Border(wxALL, 10));
#if wxUSE_STATLINE
// 3) middle: create wxStaticLine with minimum size (3x3)
topsizer->Add(
new wxStaticLine( p, wxID_ANY, wxDefaultPosition, wxSize(3,3), wxHORIZONTAL),
wxSizerFlags().Expand());
#endif // wxUSE_STATLINE
// 4) bottom: create two centred wxButtons
wxBoxSizer *button_box = new wxBoxSizer( wxHORIZONTAL );
button_box->Add(
new wxButton( p, wxID_ANY, _T("Two buttons in a box") ),
wxSizerFlags().Border(wxALL, 7));
button_box->Add(
new wxButton( p, wxID_ANY, _T("(wxCENTER)") ),
wxSizerFlags().Border(wxALL, 7));
topsizer->Add(button_box, wxSizerFlags().Center());
p->SetSizer( topsizer );
// don't allow frame to get smaller than what the sizers tell it and also set
// the initial size as calculated by the sizers
topsizer->SetSizeHints( this );
}
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
{
Close(true);
}
void MyFrame::TestFlexSizers(wxCommandEvent& WXUNUSED(event) )
{
MyFlexSizerFrame *newFrame = new MyFlexSizerFrame(_T("Flex Sizer Test Frame"), 50, 50);
newFrame->Show(true);
}
void MyFrame::TestNotebookSizers(wxCommandEvent& WXUNUSED(event) )
{
MySizerDialog dialog( this, _T("Notebook Sizer Test Dialog") );
dialog.ShowModal();
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
{
(void)wxMessageBox(_T("wxWidgets GUI library layout demo\n"),
_T("About Layout Demo"), wxOK|wxICON_INFORMATION);
}
void MyFrame::TestGridBagSizer(wxCommandEvent& WXUNUSED(event) )
{
MyGridBagSizerFrame *newFrame = new
MyGridBagSizerFrame(_T("wxGridBagSizer Test Frame"), 50, 50);
newFrame->Show(true);
}
// ----------------------------------------------------------------------------
// MyFlexSizerFrame
// ----------------------------------------------------------------------------
void MyFlexSizerFrame::InitFlexSizer(wxFlexGridSizer *sizer, wxWindow* parent)
{
for ( int i = 0; i < 3; i++ )
{
for ( int j = 0; j < 3; j++ )
{
sizer->Add(new wxStaticText
(
parent,
wxID_ANY,
wxString::Format(_T("(%d, %d)"), i + 1, j + 1),
wxDefaultPosition,
wxDefaultSize,
wxALIGN_CENTER
),
0, wxEXPAND | wxALIGN_CENTER_VERTICAL | wxALL, 3);
}
}
}
MyFlexSizerFrame::MyFlexSizerFrame(const wxChar *title, int x, int y )
: wxFrame(NULL, wxID_ANY, title, wxPoint(x, y) )
{
wxFlexGridSizer *sizerFlex;
wxPanel* p = new wxPanel(this, -1);
// consttuct the first column
wxSizer *sizerCol1 = new wxBoxSizer(wxVERTICAL);
sizerCol1->Add(new wxStaticText(p, wxID_ANY, _T("Ungrowable:")), 0, wxCENTER | wxTOP, 20);
sizerFlex = new wxFlexGridSizer(3, 3);
InitFlexSizer(sizerFlex, p);
sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
sizerCol1->Add(new wxStaticText(p, wxID_ANY, _T("Growable middle column:")), 0, wxCENTER | wxTOP, 20);
sizerFlex = new wxFlexGridSizer(3, 3);
InitFlexSizer(sizerFlex, p);
sizerFlex->AddGrowableCol(1);
sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
sizerCol1->Add(new wxStaticText(p, wxID_ANY, _T("Growable middle row:")), 0, wxCENTER | wxTOP, 20);
sizerFlex = new wxFlexGridSizer(3, 3);
InitFlexSizer(sizerFlex, p);
sizerFlex->AddGrowableRow(1);
sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
sizerCol1->Add(new wxStaticText(p, wxID_ANY, _T("All growable columns:")), 0, wxCENTER | wxTOP, 20);
sizerFlex = new wxFlexGridSizer(3, 3);
InitFlexSizer(sizerFlex, p);
sizerFlex->AddGrowableCol(0, 1);
sizerFlex->AddGrowableCol(1, 2);
sizerFlex->AddGrowableCol(2, 3);
sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
// the second one
wxSizer *sizerCol2 = new wxBoxSizer(wxVERTICAL);
sizerCol2->Add(new wxStaticText(p, wxID_ANY, _T("Growable middle row and column:")), 0, wxCENTER | wxTOP, 20);
sizerFlex = new wxFlexGridSizer(3, 3);
InitFlexSizer(sizerFlex, p);
sizerFlex->AddGrowableCol(1);
sizerFlex->AddGrowableRow(1);
sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
sizerCol2->Add(new wxStaticText(p, wxID_ANY, _T("Same with horz flex direction")), 0, wxCENTER | wxTOP, 20);
sizerFlex = new wxFlexGridSizer(3, 3);
InitFlexSizer(sizerFlex, p);
sizerFlex->AddGrowableCol(1);
sizerFlex->AddGrowableRow(1);
sizerFlex->SetFlexibleDirection(wxHORIZONTAL);
sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
sizerCol2->Add(new wxStaticText(p, wxID_ANY, _T("Same with grow mode == \"none\"")), 0, wxCENTER | wxTOP, 20);
sizerFlex = new wxFlexGridSizer(3, 3);
InitFlexSizer(sizerFlex, p);
sizerFlex->AddGrowableCol(1);
sizerFlex->AddGrowableRow(1);
sizerFlex->SetFlexibleDirection(wxHORIZONTAL);
sizerFlex->SetNonFlexibleGrowMode(wxFLEX_GROWMODE_NONE);
sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
sizerCol2->Add(new wxStaticText(p, wxID_ANY, _T("Same with grow mode == \"all\"")), 0, wxCENTER | wxTOP, 20);
sizerFlex = new wxFlexGridSizer(3, 3);
InitFlexSizer(sizerFlex, p);
sizerFlex->AddGrowableCol(1);
sizerFlex->AddGrowableRow(1);
sizerFlex->SetFlexibleDirection(wxHORIZONTAL);
sizerFlex->SetNonFlexibleGrowMode(wxFLEX_GROWMODE_ALL);
sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
// add both columns to grid sizer
wxGridSizer *sizerTop = new wxGridSizer(2, 0, 20);
sizerTop->Add(sizerCol1, 1, wxEXPAND);
sizerTop->Add(sizerCol2, 1, wxEXPAND);
p->SetSizer(sizerTop);
sizerTop->SetSizeHints(this);
}
// ----------------------------------------------------------------------------
// MySizerDialog
// ----------------------------------------------------------------------------
MySizerDialog::MySizerDialog(wxWindow *parent, const wxChar *title)
: wxDialog(parent, wxID_ANY, wxString(title))
{
// Begin with first hierarchy: a notebook at the top and
// and OK button at the bottom.
wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
wxNotebook *notebook = new wxNotebook( this, wxID_ANY );
topsizer->Add( notebook, 1, wxGROW );
wxButton *button = new wxButton( this, wxID_OK, _T("OK") );
topsizer->Add( button, 0, wxALIGN_RIGHT | wxALL, 10 );
// First page: one big text ctrl
wxTextCtrl *multi = new wxTextCtrl( notebook, wxID_ANY, _T("TextCtrl."), wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE );
notebook->AddPage( multi, _T("Page One") );
// Second page: a text ctrl and a button
wxPanel *panel = new wxPanel( notebook, wxID_ANY );
notebook->AddPage( panel, _T("Page Two") );
wxSizer *panelsizer = new wxBoxSizer( wxVERTICAL );
wxTextCtrl *text = new wxTextCtrl( panel, wxID_ANY, _T("TextLine 1."), wxDefaultPosition, wxSize(250,-1) );
panelsizer->Add( text, 0, wxGROW|wxALL, 30 );
text = new wxTextCtrl( panel, wxID_ANY, _T("TextLine 2."), wxDefaultPosition, wxSize(250,-1) );
panelsizer->Add( text, 0, wxGROW|wxALL, 30 );
wxButton *button2 = new wxButton( panel, wxID_ANY, _T("Hallo") );
panelsizer->Add( button2, 0, wxALIGN_RIGHT | wxLEFT|wxRIGHT|wxBOTTOM, 30 );
panel->SetAutoLayout( true );
panel->SetSizer( panelsizer );
// Tell dialog to use sizer
SetSizer( topsizer );
topsizer->SetSizeHints( this );
}
// ----------------------------------------------------------------------------
// MyGridBagSizerFrame
// ----------------------------------------------------------------------------
// some simple macros to help make the sample code below more clear
#define TEXTCTRL(text) new wxTextCtrl(p, wxID_ANY, _T(text))
#define MLTEXTCTRL(text) new wxTextCtrl(p, wxID_ANY, _T(text), wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE)
#define POS(r, c) wxGBPosition(r,c)
#define SPAN(r, c) wxGBSpan(r,c)
wxChar* gbsDescription =_T("\
The wxGridBagSizer is similar to the wxFlexGridSizer except the items are explicitly positioned\n\
in a virtual cell of the layout grid, and column or row spanning is allowed. For example, this\n\
static text is positioned at (0,0) and it spans 7 columns.");
// Some IDs
enum {
GBS_HIDE_BTN = 1212,
GBS_SHOW_BTN,
GBS_MOVE_BTN1,
GBS_MOVE_BTN2,
GBS_MAX,
};
BEGIN_EVENT_TABLE(MyGridBagSizerFrame, wxFrame)
EVT_BUTTON( GBS_HIDE_BTN, MyGridBagSizerFrame::OnHideBtn)
EVT_BUTTON( GBS_SHOW_BTN, MyGridBagSizerFrame::OnShowBtn)
EVT_BUTTON( GBS_MOVE_BTN1, MyGridBagSizerFrame::OnMoveBtn)
EVT_BUTTON( GBS_MOVE_BTN2, MyGridBagSizerFrame::OnMoveBtn)
END_EVENT_TABLE()
MyGridBagSizerFrame::MyGridBagSizerFrame(const wxChar *title, int x, int y )
: wxFrame( NULL, wxID_ANY, title, wxPoint(x, y) )
{
wxPanel* p = new wxPanel(this, wxID_ANY);
m_panel = p;
m_gbs = new wxGridBagSizer();
m_gbs->Add( new wxStaticText(p, wxID_ANY, gbsDescription),
POS(0,0), SPAN(1, 7),
wxALIGN_CENTER | wxALL, 5);
m_gbs->Add( TEXTCTRL("pos(1,0)"), POS(1,0) );
m_gbs->Add( TEXTCTRL("pos(1,1)"), POS(1,1) );
m_gbs->Add( TEXTCTRL("pos(2,0)"), POS(2,0) );
m_gbs->Add( TEXTCTRL("pos(2,1)"), POS(2,1) );
m_gbs->Add( MLTEXTCTRL("pos(3,2), span(1,2)\nthis row and col are growable"),
POS(3,2), SPAN(1,2), wxEXPAND );
m_gbs->Add( MLTEXTCTRL("pos(4,3)\nspan(3,1)"),
POS(4,3), SPAN(3,1), wxEXPAND );
m_gbs->Add( TEXTCTRL("pos(5,4)"), POS(5,4), wxDefaultSpan, wxEXPAND );
m_gbs->Add( TEXTCTRL("pos(6,5)"), POS(6,5), wxDefaultSpan, wxEXPAND );
m_gbs->Add( TEXTCTRL("pos(7,6)"), POS(7,6) );
//m_gbs->Add( TEXTCTRL("bad position"), POS(4,3) ); // Test for assert
//m_gbs->Add( TEXTCTRL("bad position"), POS(5,3) ); // Test for assert
m_moveBtn1 = new wxButton(p, GBS_MOVE_BTN1, _T("Move this to (3,6)"));
m_moveBtn2 = new wxButton(p, GBS_MOVE_BTN2, _T("Move this to (3,6)"));
m_gbs->Add( m_moveBtn1, POS(10,2) );
m_gbs->Add( m_moveBtn2, POS(10,3) );
m_hideBtn = new wxButton(p, GBS_HIDE_BTN, _T("Hide this item -->"));
m_gbs->Add(m_hideBtn, POS(12, 3));
m_hideTxt = new wxTextCtrl(p, wxID_ANY, _T("pos(12,4), size(150, -1)"),
wxDefaultPosition, wxSize(150,-1));
m_gbs->Add( m_hideTxt, POS(12,4) );
m_showBtn = new wxButton(p, GBS_SHOW_BTN, _T("<-- Show it again"));
m_gbs->Add(m_showBtn, POS(12, 5));
m_showBtn->Disable();
m_gbs->Add(10,10, POS(14,0));
m_gbs->AddGrowableRow(3);
m_gbs->AddGrowableCol(2);
p->SetSizerAndFit(m_gbs);
SetClientSize(p->GetSize());
}
void MyGridBagSizerFrame::OnHideBtn(wxCommandEvent&)
{
m_gbs->Hide(m_hideTxt);
m_hideBtn->Disable();
m_showBtn->Enable();
m_gbs->Layout();
}
void MyGridBagSizerFrame::OnShowBtn(wxCommandEvent&)
{
m_gbs->Show(m_hideTxt);
m_hideBtn->Enable();
m_showBtn->Disable();
m_gbs->Layout();
}
void MyGridBagSizerFrame::OnMoveBtn(wxCommandEvent& event)
{
wxButton* btn = (wxButton*)event.GetEventObject();
wxGBPosition curPos = m_gbs->GetItemPosition(btn);
// if it's already at the "other" spot then move it back
if (curPos == wxGBPosition(3,6))
{
m_gbs->SetItemPosition(btn, m_lastPos);
btn->SetLabel(_T("Move this to (3,6)"));
}
else
{
if ( m_gbs->CheckForIntersection(wxGBPosition(3,6), wxGBSpan(1,1)) )
wxMessageBox(
_T("wxGridBagSizer will not allow items to be in the same cell as\n\
another item, so this operation will fail. You will also get an assert\n\
when compiled in debug mode."), _T("Warning"), wxOK | wxICON_INFORMATION);
if ( m_gbs->SetItemPosition(btn, wxGBPosition(3,6)) )
{
m_lastPos = curPos;
btn->SetLabel(_T("Move it back"));
}
}
m_gbs->Layout();
}
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