X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/42ed75321c19f7e77a62a451726c0c2131d8933a..ad6791377de800999ced90ec48d780c3e7152ec0:/samples/layout/layout.cpp diff --git a/samples/layout/layout.cpp b/samples/layout/layout.cpp index c849af51ae..1b00cbbeeb 100644 --- a/samples/layout/layout.cpp +++ b/samples/layout/layout.cpp @@ -2,13 +2,18 @@ // Name: layout.cpp // Purpose: Layout sample // Author: Julian Smart -// Modified by: +// Modified by: Robin Dunn, Vadim Zeitlin // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem +// Copyright: (c) 1998 Julian Smart +// 2005 Vadim Zeitlin // Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + // For compilers that support precompilation, includes "wx/wx.h". #include "wx/wxprec.h" @@ -20,352 +25,518 @@ #include "wx/wx.h" #endif -#if !wxUSE_CONSTRAINTS -#error You must set wxUSE_CONSTRAINTS to 1 in setup.h! -#endif - -#include - #include "wx/sizer.h" +#include "wx/gbsizer.h" #include "wx/statline.h" #include "wx/notebook.h" +#include "wx/spinctrl.h" #include "layout.h" -// Declare two frames -MyFrame *frame = (MyFrame *) NULL; -wxMenuBar *menu_bar = (wxMenuBar *) NULL; +// ---------------------------------------------------------------------------- +// MyApp +// ---------------------------------------------------------------------------- IMPLEMENT_APP(MyApp) -MyApp::MyApp() -{ -} - bool MyApp::OnInit() { // Create the main frame window - frame = new MyFrame(NULL, _T("wxWindows Layout Demo"), -1, -1, 400, 300); + MyFrame *frame = new MyFrame; - frame->SetAutoLayout(TRUE); + frame->Show(true); - // Give it a status line - frame->CreateStatusBar(2); + return true; +} +// ---------------------------------------------------------------------------- +// MyFrame +// ---------------------------------------------------------------------------- + +BEGIN_EVENT_TABLE(MyFrame, wxFrame) + EVT_MENU(LAYOUT_ABOUT, MyFrame::OnAbout) + EVT_MENU(LAYOUT_QUIT, MyFrame::OnQuit) + + EVT_MENU(LAYOUT_TEST_PROPORTIONS, MyFrame::TestProportions) + 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 sizers"), _T("Test sizer")); - file_menu->Append(LAYOUT_TEST_NB, _T("&Test notebook sizers"), _T("Test notebook sizer")); + file_menu->Append(LAYOUT_TEST_PROPORTIONS, _T("&Proportions demo...\tF1")); + file_menu->Append(LAYOUT_TEST_SIZER, _T("Test wx&FlexSizer...\tF2")); + file_menu->Append(LAYOUT_TEST_NB_SIZER, _T("Test ¬ebook sizers...\tF3")); + file_menu->Append(LAYOUT_TEST_GB_SIZER, _T("Test &gridbag sizer...\tF4")); file_menu->AppendSeparator(); - file_menu->Append(LAYOUT_QUIT, _T("E&xit"), _T("Quit program")); + 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")); + help_menu->Append(LAYOUT_ABOUT, _T("&About"), _T("About layout demo...")); - menu_bar = new wxMenuBar; + 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 - frame->SetMenuBar(menu_bar); + SetMenuBar(menu_bar); - // Make a panel - wxPanel *panel = new wxPanel(frame); +#if wxUSE_STATUSBAR + CreateStatusBar(2); + SetStatusText(_T("wxWidgets layout demo")); +#endif // wxUSE_STATUSBAR - // Create some panel items - wxButton *btn1 = new wxButton(panel, -1, _T("A button (1)")) ; + 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. - 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); + wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL ); - 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")); + // 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)); - 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); + // 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)); - wxTextCtrl *mtext = new wxTextCtrl(panel, -1, _T("Some text")); + // 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)); - 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); + // 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 - MyWindow *canvas = new MyWindow(frame, 0, 0, 400, 400, wxRETAINED); - // Make a text window - MyTextWindow *text_window = new MyTextWindow(frame, 0, 250, 400, 150); + // 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)); - // Set constraints for panel subwindow - wxLayoutConstraints *c1 = new wxLayoutConstraints; + topsizer->Add(button_box, wxSizerFlags().Center()); - c1->left.SameAs (frame, wxLeft); - c1->top.SameAs (frame, wxTop); - c1->right.PercentOf (frame, wxWidth, 50); - c1->height.PercentOf (frame, wxHeight, 50); + 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 ); +} - panel->SetConstraints(c1); +void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) +{ + Close(true); +} - // Set constraints for canvas subwindow - wxLayoutConstraints *c2 = new wxLayoutConstraints; +void MyFrame::TestProportions(wxCommandEvent& WXUNUSED(event)) +{ + (new MyProportionsFrame(this))->Show(); +} - c2->left.SameAs (panel, wxRight); - c2->top.SameAs (frame, wxTop); - c2->right.SameAs (frame, wxRight); - c2->height.PercentOf (frame, wxHeight, 50); +void MyFrame::TestFlexSizers(wxCommandEvent& WXUNUSED(event) ) +{ + MyFlexSizerFrame *newFrame = new MyFlexSizerFrame(_T("Flex Sizer Test Frame"), 50, 50); + newFrame->Show(true); +} - canvas->SetConstraints(c2); +void MyFrame::TestNotebookSizers(wxCommandEvent& WXUNUSED(event) ) +{ + MySizerDialog dialog( this, _T("Notebook Sizer Test Dialog") ); - // Set constraints for text subwindow - wxLayoutConstraints *c3 = new wxLayoutConstraints; - c3->left.SameAs (frame, wxLeft); - c3->top.Below (panel); - c3->right.SameAs (frame, wxRight); - c3->bottom.SameAs (frame, wxBottom); + dialog.ShowModal(); +} - text_window->SetConstraints(c3); - frame->Show(TRUE); +void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) ) +{ + (void)wxMessageBox(_T("wxWidgets GUI library layout demo\n"), + _T("About Layout Demo"), wxOK|wxICON_INFORMATION); +} - frame->SetStatusText(_T("wxWindows layout demo")); +void MyFrame::TestGridBagSizer(wxCommandEvent& WXUNUSED(event) ) +{ + MyGridBagSizerFrame *newFrame = new + MyGridBagSizerFrame(_T("wxGridBagSizer Test Frame"), 50, 50); + newFrame->Show(true); +} - SetTopWindow(frame); +// ---------------------------------------------------------------------------- +// MyProportionsFrame +// ---------------------------------------------------------------------------- - return TRUE; +MyProportionsFrame::MyProportionsFrame(wxFrame *parent) + : wxFrame(parent, wxID_ANY, _T("Box Sizer Proportions Demo")) +{ + size_t n; + + // create the controls + wxPanel *panel = new wxPanel(this, wxID_ANY); + for ( n = 0; n < WXSIZEOF(m_spins); n++ ) + { + m_spins[n] = new wxSpinCtrl(panel); + m_spins[n]->SetValue(n); + } + + // lay them out + m_sizer = new wxStaticBoxSizer(wxHORIZONTAL, panel, + _T("Try changing elements proportions and resizing the window")); + for ( n = 0; n < WXSIZEOF(m_spins); n++ ) + m_sizer->Add(m_spins[n], wxSizerFlags().Border()); + + // put everything together + panel->SetSizer(m_sizer); + wxSizer *sizerTop = new wxBoxSizer(wxVERTICAL); + sizerTop->Add(panel, wxSizerFlags(1).Expand().Border()); + UpdateProportions(); + SetSizerAndFit(sizerTop); + + // and connect the events + Connect(wxEVT_COMMAND_TEXT_UPDATED, + wxCommandEventHandler(MyProportionsFrame::OnProportionUpdated)); + Connect(wxEVT_COMMAND_SPINCTRL_UPDATED, + wxSpinEventHandler(MyProportionsFrame::OnProportionChanged)); } -//----------------------------------------------------------------- -// MyFrame -//----------------------------------------------------------------- - -// Define my frame constructor -MyFrame::MyFrame(wxFrame *frame, const wxChar *title, int x, int y, int w, int h) - : wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h)) +void MyProportionsFrame::UpdateProportions() { + for ( size_t n = 0; n < WXSIZEOF(m_spins); n++ ) + { + m_sizer->GetItem(n)->SetProportion(m_spins[n]->GetValue()); + } + + m_sizer->Layout(); } -BEGIN_EVENT_TABLE(MyFrame, wxFrame) - EVT_MENU(LAYOUT_QUIT, MyFrame::OnQuit) - EVT_MENU(LAYOUT_TEST_SIZER, MyFrame::TestSizers) - EVT_MENU(LAYOUT_TEST_NB, MyFrame::TestNotebookSizers) - EVT_MENU(LAYOUT_ABOUT, MyFrame::About) -END_EVENT_TABLE() +void MyProportionsFrame::OnProportionUpdated(wxCommandEvent& WXUNUSED(event)) +{ + UpdateProportions(); +} -void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) ) +void MyProportionsFrame::OnProportionChanged(wxSpinEvent& WXUNUSED(event)) { - Close(TRUE); + UpdateProportions(); } -void MyFrame::TestSizers(wxCommandEvent& WXUNUSED(event) ) +// ---------------------------------------------------------------------------- +// MyFlexSizerFrame +// ---------------------------------------------------------------------------- + +void MyFlexSizerFrame::InitFlexSizer(wxFlexGridSizer *sizer, wxWindow* parent) { - MySizerFrame *newFrame = new MySizerFrame(NULL, _T("Sizer Test Frame"), 50, 50); - newFrame->Show(TRUE); + 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); + } + } } -void MyFrame::TestNotebookSizers(wxCommandEvent& WXUNUSED(event) ) +MyFlexSizerFrame::MyFlexSizerFrame(const wxChar *title, int x, int y ) + : wxFrame(NULL, wxID_ANY, title, wxPoint(x, y) ) { - wxDialog dialog( this, -1, wxString(_T("Notebook Sizer Test Dialog")) ); + 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( &dialog, -1 ); - wxNotebookSizer *nbs = new wxNotebookSizer( notebook ); - topsizer->Add( nbs, 1, wxGROW ); + wxNotebook *notebook = new wxNotebook( this, wxID_ANY ); + topsizer->Add( notebook, 1, wxGROW ); - wxButton *button = new wxButton( &dialog, wxID_OK, _T("OK") ); + 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 ); + 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, -1 ); + wxPanel *panel = new wxPanel( notebook, wxID_ANY ); notebook->AddPage( panel, _T("Page Two") ); wxSizer *panelsizer = new wxBoxSizer( wxVERTICAL ); - wxTextCtrl *text = new wxTextCtrl( panel, -1, _T("TextLine 1."), wxDefaultPosition, wxSize(250,-1) ); + 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, -1, _T("TextLine 2."), wxDefaultPosition, wxSize(250,-1) ); + 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, -1, _T("Hallo") ); + wxButton *button2 = new wxButton( panel, wxID_ANY, _T("Hallo") ); panelsizer->Add( button2, 0, wxALIGN_RIGHT | wxLEFT|wxRIGHT|wxBOTTOM, 30 ); - panel->SetAutoLayout( TRUE ); + panel->SetAutoLayout( true ); panel->SetSizer( panelsizer ); // Tell dialog to use sizer - - dialog.SetAutoLayout( TRUE ); - dialog.SetSizer( topsizer ); - topsizer->Fit( &dialog ); - topsizer->SetSizeHints( &dialog ); - - dialog.ShowModal(); + SetSizer( topsizer ); + topsizer->SetSizeHints( this ); } +// ---------------------------------------------------------------------------- +// MyGridBagSizerFrame +// ---------------------------------------------------------------------------- -void MyFrame::About(wxCommandEvent& WXUNUSED(event) ) -{ - (void)wxMessageBox(_T("wxWindows GUI library layout demo\n"), - _T("About Layout Demo"), wxOK|wxCENTRE); -} +// 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) -//----------------------------------------------------------------- -// MyWindow -//----------------------------------------------------------------- +const 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."); -BEGIN_EVENT_TABLE(MyWindow, wxWindow) - EVT_PAINT(MyWindow::OnPaint) -END_EVENT_TABLE() -// Define a constructor for my canvas -MyWindow::MyWindow(wxFrame *frame, int x, int y, int w, int h, long style) - : wxWindow(frame, -1, wxPoint(x, y), wxSize(w, h), style) -{ -} - -MyWindow::~MyWindow() -{ -} +// Some IDs +enum { + GBS_HIDE_BTN = 1212, + GBS_SHOW_BTN, + GBS_MOVE_BTN1, + GBS_MOVE_BTN2, -// Define the repainting behaviour -void MyWindow::OnPaint(wxPaintEvent& WXUNUSED(event) ) -{ - wxPaintDC dc(this); - dc.SetPen(* wxGREEN_PEN); - dc.DrawLine(0, 0, 200, 200); - dc.DrawLine(200, 0, 0, 200); + GBS_MAX, +}; - dc.SetBrush(* wxCYAN_BRUSH); - dc.SetPen(* wxRED_PEN); - dc.DrawRectangle(100, 100, 100, 50); - dc.DrawRoundedRectangle(150, 150, 100, 50, 20); +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() - dc.DrawEllipse(250, 250, 100, 50); -#if wxUSE_SPLINES - dc.DrawSpline(50, 200, 50, 100, 200, 10); -#endif // wxUSE_SPLINES - dc.DrawLine(50, 230, 200, 230); - dc.SetPen(* wxBLACK_PEN); - dc.DrawArc(50, 300, 100, 250, 100, 300 ); -} +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(); -//----------------------------------------------------------------- -// MySizerFrame -//----------------------------------------------------------------- -MySizerFrame::MySizerFrame(wxFrame *frame, wxChar *title, int x, int y ) - : wxFrame(frame, -1, title, wxPoint(x, y) ) -{ - // 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. + m_gbs->Add( new wxStaticText(p, wxID_ANY, gbsDescription), + POS(0,0), SPAN(1, 7), + wxALIGN_CENTER | wxALL, 5); - wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL ); + 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) ); - // 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 + //m_gbs->Add( TEXTCTRL("bad position"), POS(4,3) ); // Test for assert + //m_gbs->Add( TEXTCTRL("bad position"), POS(5,3) ); // Test for assert - // 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); + 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) ); - // 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); + 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) ); - // 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 + 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)); - // 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 + m_gbs->AddGrowableRow(3); + m_gbs->AddGrowableCol(2); - topsizer->Add( - button_box, - 0, // make vertically unstretchable - wxCENTER ); // no border and centre horizontally + p->SetSizerAndFit(m_gbs); + SetClientSize(p->GetSize()); +} - // 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 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(); +}