///////////////////////////////////////////////////////////////////////////// // 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 #if !wxUSE_CONSTRAINTS #error You must set wxUSE_CONSTRAINTS to 1 in setup.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) MyApp::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_CONSTRAINTS, MyFrame::TestConstraints) 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, -1, _T("wxWindows 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_CONSTRAINTS, _T("Test &constraints")); 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); CreateStatusBar(2); SetStatusText(_T("wxWindows layout demo")); // 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( this, -1, _T("An explanation (wxALIGN_RIGHT).") ), 0, // make vertically unstretchable wxALIGN_RIGHT | // right align text wxTOP | wxLEFT | wxRIGHT, // make border all around except wxBOTTOM 5 ); // set border width to 5 // 2) top: create wxTextCtrl with minimum size (100x60) topsizer->Add( new wxTextCtrl( this, -1, _T("My text (wxEXPAND)."), wxDefaultPosition, wxSize(100,60), wxTE_MULTILINE), 1, // make vertically stretchable wxEXPAND | // make horizontally stretchable wxALL, // and make border all around 5 ); // set border width to 5 // 2.5) Gratuitous test of wxStaticBoxSizers wxBoxSizer *statsizer = new wxStaticBoxSizer( new wxStaticBox(this, -1, _T("A wxStaticBoxSizer")), wxVERTICAL ); statsizer->Add( new wxStaticText(this, -1, _T("And some TEXT inside it")), 0, wxCENTER | wxALL, 30); topsizer->Add(statsizer, 1, wxEXPAND | wxALL, 10); // 2.7) And a test of wxGridSizer wxGridSizer *gridsizer = new wxGridSizer(2, 5, 5); gridsizer->Add(new wxStaticText(this, -1, _T("Label")), 0, wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL); gridsizer->Add(new wxTextCtrl(this, -1, _T("Grid sizer demo")), 1, wxGROW | wxALIGN_CENTER_VERTICAL); gridsizer->Add(new wxStaticText(this, -1, _T("Another label")), 0, wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL); gridsizer->Add(new wxTextCtrl(this, -1, _T("More text")), 1, wxGROW | wxALIGN_CENTER_VERTICAL); gridsizer->Add(new wxStaticText(this, -1, _T("Final label")), 0, wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL); gridsizer->Add(new wxTextCtrl(this, -1, _T("And yet more text")), 1, wxGROW | wxALIGN_CENTER_VERTICAL); topsizer->Add(gridsizer, 1, wxGROW | wxALL, 10); // 3) middle: create wxStaticLine with minimum size (3x3) topsizer->Add( new wxStaticLine( this, -1, wxDefaultPosition, wxSize(3,3), wxHORIZONTAL), 0, // make vertically unstretchable wxEXPAND | // make horizontally stretchable wxALL, // and make border all around 5 ); // set border width to 5 // 4) bottom: create two centred wxButtons wxBoxSizer *button_box = new wxBoxSizer( wxHORIZONTAL ); button_box->Add( new wxButton( this, -1, _T("Two buttons in a box") ), 0, // make horizontally unstretchable wxALL, // make border all around 7 ); // set border width to 7 button_box->Add( new wxButton( this, -1, _T("(wxCENTER)") ), 0, // make horizontally unstretchable wxALL, // make border all around 7 ); // set border width to 7 topsizer->Add( button_box, 0, // make vertically unstretchable wxCENTER ); // no border and centre horizontally // 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 ); SetSizer( topsizer ); } void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) ) { Close(TRUE); } void MyFrame::TestConstraints(wxCommandEvent& WXUNUSED(event) ) { MyConstraintsFrame * newFrame = new MyConstraintsFrame(_T("Constraints Test Frame"), 100, 100); newFrame->Show(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("wxWindows 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); } // ---------------------------------------------------------------------------- // MyConstraintsFrame // ---------------------------------------------------------------------------- MyConstraintsFrame::MyConstraintsFrame(const wxChar *title, int x, int y) : wxFrame(NULL, -1, title, wxPoint(x, y) ) { // Make a panel wxPanel *panel = new wxPanel(this); // Create some panel items wxButton *btn1 = new wxButton(panel, -1, _T("A button (1)")) ; wxLayoutConstraints *b1 = new wxLayoutConstraints; b1->centreX.SameAs (panel, wxCentreX); b1->top.SameAs (panel, wxTop, 5); b1->width.PercentOf (panel, wxWidth, 80); b1->height.AsIs (); btn1->SetConstraints(b1); wxListBox *list = new wxListBox(panel, -1, wxPoint(-1, -1), wxSize(200, 100)); list->Append(_T("Apple")); list->Append(_T("Pear")); list->Append(_T("Orange")); list->Append(_T("Banana")); list->Append(_T("Fruit")); wxLayoutConstraints *b2 = new wxLayoutConstraints; b2->top.Below (btn1, 5); b2->left.SameAs (panel, wxLeft, 5); b2->width.PercentOf (panel, wxWidth, 40); b2->bottom.SameAs (panel, wxBottom, 5); list->SetConstraints(b2); wxTextCtrl *mtext = new wxTextCtrl(panel, -1, _T("This frame is laid out using\nconstraints, but the preferred\nlayout mechanism now are sizers."), wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE); wxLayoutConstraints *b3 = new wxLayoutConstraints; b3->top.Below (btn1, 5); b3->left.RightOf (list, 5); b3->right.SameAs (panel, wxRight, 5); b3->bottom.SameAs (panel, wxBottom, 5); mtext->SetConstraints(b3); wxTextCtrl *canvas = new wxTextCtrl(this, -1, _T("yet another window")); // Make a text window wxTextCtrl *text_window = new wxTextCtrl(this, -1, _T(""), wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE); // Set constraints for panel subwindow wxLayoutConstraints *c1 = new wxLayoutConstraints; c1->left.SameAs (this, wxLeft); c1->top.SameAs (this, wxTop); c1->right.PercentOf (this, wxWidth, 50); c1->height.PercentOf (this, wxHeight, 50); panel->SetConstraints(c1); // Set constraints for canvas subwindow wxLayoutConstraints *c2 = new wxLayoutConstraints; c2->left.SameAs (panel, wxRight); c2->top.SameAs (this, wxTop); c2->right.SameAs (this, wxRight); c2->height.PercentOf (this, wxHeight, 50); canvas->SetConstraints(c2); // Set constraints for text subwindow wxLayoutConstraints *c3 = new wxLayoutConstraints; c3->left.SameAs (this, wxLeft); c3->top.Below (panel); c3->right.SameAs (this, wxRight); c3->bottom.SameAs (this, wxBottom); text_window->SetConstraints(c3); SetAutoLayout(TRUE); } // ---------------------------------------------------------------------------- // MyFlexSizerFrame // ---------------------------------------------------------------------------- void MyFlexSizerFrame::InitFlexSizer(wxFlexGridSizer *sizer) { for ( int i = 0; i < 3; i++ ) { for ( int j = 0; j < 3; j++ ) { sizer->Add(new wxStaticText ( this, -1, 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, -1, title, wxPoint(x, y) ) { wxFlexGridSizer *sizerFlex; // consttuct the first column wxSizer *sizerCol1 = new wxBoxSizer(wxVERTICAL); sizerCol1->Add(new wxStaticText(this, -1, _T("Ungrowable:")), 0, wxCENTER | wxTOP, 20); sizerFlex = new wxFlexGridSizer(3, 3); InitFlexSizer(sizerFlex); sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10); sizerCol1->Add(new wxStaticText(this, -1, _T("Growable middle column:")), 0, wxCENTER | wxTOP, 20); sizerFlex = new wxFlexGridSizer(3, 3); InitFlexSizer(sizerFlex); sizerFlex->AddGrowableCol(1); sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10); sizerCol1->Add(new wxStaticText(this, -1, _T("Growable middle row:")), 0, wxCENTER | wxTOP, 20); sizerFlex = new wxFlexGridSizer(3, 3); InitFlexSizer(sizerFlex); sizerFlex->AddGrowableRow(1); sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10); sizerCol1->Add(new wxStaticText(this, -1, _T("All growable columns:")), 0, wxCENTER | wxTOP, 20); sizerFlex = new wxFlexGridSizer(3, 3); InitFlexSizer(sizerFlex); 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(this, -1, _T("Growable middle row and column:")), 0, wxCENTER | wxTOP, 20); sizerFlex = new wxFlexGridSizer(3, 3); InitFlexSizer(sizerFlex); sizerFlex->AddGrowableCol(1); sizerFlex->AddGrowableRow(1); sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10); sizerCol2->Add(new wxStaticText(this, -1, _T("Same with horz flex direction")), 0, wxCENTER | wxTOP, 20); sizerFlex = new wxFlexGridSizer(3, 3); InitFlexSizer(sizerFlex); sizerFlex->AddGrowableCol(1); sizerFlex->AddGrowableRow(1); sizerFlex->SetFlexibleDirection(wxHORIZONTAL); sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10); sizerCol2->Add(new wxStaticText(this, -1, _T("Same with grow mode == \"none\"")), 0, wxCENTER | wxTOP, 20); sizerFlex = new wxFlexGridSizer(3, 3); InitFlexSizer(sizerFlex); 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(this, -1, _T("Same with grow mode == \"all\"")), 0, wxCENTER | wxTOP, 20); sizerFlex = new wxFlexGridSizer(3, 3); InitFlexSizer(sizerFlex); 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); SetSizer(sizerTop); sizerTop->SetSizeHints(this); } // ---------------------------------------------------------------------------- // MySizerDialog // ---------------------------------------------------------------------------- MySizerDialog::MySizerDialog(wxWindow *parent, const wxChar *title) : wxDialog(parent, -1, 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, -1 ); wxNotebookSizer *nbs = new wxNotebookSizer( notebook ); topsizer->Add( nbs, 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, -1, _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, -1 ); notebook->AddPage( panel, _T("Page Two") ); wxSizer *panelsizer = new wxBoxSizer( wxVERTICAL ); wxTextCtrl *text = new wxTextCtrl( panel, -1, _T("TextLine 1."), wxDefaultPosition, wxSize(250,-1) ); panelsizer->Add( text, 0, wxGROW|wxALL, 30 ); text = new wxTextCtrl( panel, -1, _T("TextLine 2."), wxDefaultPosition, wxSize(250,-1) ); panelsizer->Add( text, 0, wxGROW|wxALL, 30 ); wxButton *button2 = new wxButton( panel, -1, _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, -1, _T(text)) #define MLTEXTCTRL(text) new wxTextCtrl(p, -1, _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, -1, title, wxPoint(x, y) ) { wxPanel* p = new wxPanel(this, -1); m_panel = p; m_gbs = new wxGridBagSizer(); m_gbs->Add( new wxStaticText(p, -1, 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, -1, _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(); }