X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3417c2cd3d5cb05451270b5a09fe2355406158a3..740af654d1d20aaccad331e0eb73d113b5c0b02f:/samples/layout/layout.cpp diff --git a/samples/layout/layout.cpp b/samples/layout/layout.cpp index 1392d68921..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 -// Licence: wxWindows license +// 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" @@ -20,310 +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 + MyFrame *frame = new MyFrame; + + frame->Show(true); + + return true; } -bool MyApp::OnInit(void) -{ - // Create the main frame window - frame = new MyFrame((MyFrame *) NULL, (char *) "wxWindows Layout Demo", 0, 0, 550, 500); +// ---------------------------------------------------------------------------- +// MyFrame +// ---------------------------------------------------------------------------- - frame->SetAutoLayout(TRUE); +BEGIN_EVENT_TABLE(MyFrame, wxFrame) + EVT_MENU(LAYOUT_ABOUT, MyFrame::OnAbout) + EVT_MENU(LAYOUT_QUIT, MyFrame::OnQuit) - // Give it a status line - frame->CreateStatusBar(2); + 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_LOAD_FILE, "&Load file", "Load a text file"); - file_menu->Append(LAYOUT_TEST_NEW, "&Test new sizers", "Test new sizer code"); + 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, "E&xit", "Quit program"); + file_menu->Append(LAYOUT_QUIT, _T("E&xit"), _T("Quit program")); wxMenu *help_menu = new wxMenu; - help_menu->Append(LAYOUT_ABOUT, "&About", "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, "&File"); - menu_bar->Append(help_menu, "&Help"); + 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 - frame->panel = new wxPanel(frame, 0, 0, 1000, 500, wxTAB_TRAVERSAL); - frame->panel->SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); -// frame->panel->SetAutoLayout(TRUE); +#if wxUSE_STATUSBAR + CreateStatusBar(2); + SetStatusText(_T("wxWidgets layout demo")); +#endif // wxUSE_STATUSBAR - // Create some panel items - wxButton *btn1 = new wxButton(frame->panel, -1, "A button (1)") ; - - wxLayoutConstraints *b1 = new wxLayoutConstraints; - b1->centreX.SameAs (frame->panel, wxCentreX); - b1->top.SameAs (frame->panel, wxTop, 5); - b1->width.PercentOf (frame->panel, wxWidth, 80); - b1->height.PercentOf (frame->panel, wxHeight, 10); - btn1->SetConstraints(b1); - - wxListBox *list = new wxListBox(frame->panel, -1, - wxPoint(-1, -1), wxSize(200, 100)); - list->Append("Apple"); - list->Append("Pear"); - list->Append("Orange"); - list->Append("Banana"); - list->Append("Fruit"); - - wxLayoutConstraints *b2 = new wxLayoutConstraints; - b2->top.Below (btn1, 5); - b2->left.SameAs (frame->panel, wxLeft, 5); - b2->width.PercentOf (frame->panel, wxWidth, 40); - b2->bottom.SameAs (frame->panel, wxBottom, 5); - list->SetConstraints(b2); - - wxTextCtrl *mtext = new wxTextCtrl(frame->panel, -1, "Some text", - wxPoint(-1, -1), wxSize(150, 100)); + 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 *b3 = new wxLayoutConstraints; - b3->top.Below (btn1, 5); - b3->left.RightOf (list, 5); - b3->right.SameAs (frame->panel, wxRight, 5); - b3->bottom.SameAs (frame->panel, wxBottom, 5); - mtext->SetConstraints(b3); + wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL ); - frame->canvas = new MyWindow(frame, 0, 0, 400, 400, wxRETAINED); + // 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)); - // Give it scrollbars: the virtual canvas is 20 * 50 = 1000 pixels in each direction -// canvas->SetScrollbars(20, 20, 50, 50, 4, 4); + // 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 - // Make a text window - frame->text_window = new MyTextWindow(frame, 0, 250, 400, 250); - // Set constraints for panel subwindow - wxLayoutConstraints *c1 = new wxLayoutConstraints; + // 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)); - c1->left.SameAs (frame, wxLeft); - c1->top.SameAs (frame, wxTop); - c1->right.PercentOf (frame, wxWidth, 50); - c1->height.PercentOf (frame, wxHeight, 50); + topsizer->Add(button_box, wxSizerFlags().Center()); - frame->panel->SetConstraints(c1); + 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 ); +} - // Set constraints for canvas subwindow - wxLayoutConstraints *c2 = new wxLayoutConstraints; +void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) +{ + Close(true); +} - c2->left.SameAs (frame->panel, wxRight); - c2->top.SameAs (frame, wxTop); - c2->right.SameAs (frame, wxRight); - c2->height.PercentOf (frame, wxHeight, 50); +void MyFrame::TestProportions(wxCommandEvent& WXUNUSED(event)) +{ + (new MyProportionsFrame(this))->Show(); +} - frame->canvas->SetConstraints(c2); +void MyFrame::TestFlexSizers(wxCommandEvent& WXUNUSED(event) ) +{ + MyFlexSizerFrame *newFrame = new MyFlexSizerFrame(_T("Flex Sizer Test Frame"), 50, 50); + newFrame->Show(true); +} - // Set constraints for text subwindow - wxLayoutConstraints *c3 = new wxLayoutConstraints; - c3->left.SameAs (frame, wxLeft); - c3->top.Below (frame->panel); - c3->right.SameAs (frame, wxRight); - c3->bottom.SameAs (frame, wxBottom); +void MyFrame::TestNotebookSizers(wxCommandEvent& WXUNUSED(event) ) +{ + MySizerDialog dialog( this, _T("Notebook Sizer Test Dialog") ); - frame->text_window->SetConstraints(c3); + dialog.ShowModal(); +} - frame->Show(TRUE); - frame->SetStatusText("wxWindows layout demo"); +void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) ) +{ + (void)wxMessageBox(_T("wxWidgets GUI library layout demo\n"), + _T("About Layout Demo"), wxOK|wxICON_INFORMATION); +} - SetTopWindow(frame); - return TRUE; +void MyFrame::TestGridBagSizer(wxCommandEvent& WXUNUSED(event) ) +{ + MyGridBagSizerFrame *newFrame = new + MyGridBagSizerFrame(_T("wxGridBagSizer Test Frame"), 50, 50); + newFrame->Show(true); } -//----------------------------------------------------------------- -// MyFrame -//----------------------------------------------------------------- +// ---------------------------------------------------------------------------- +// MyProportionsFrame +// ---------------------------------------------------------------------------- -// Define my frame constructor -MyFrame::MyFrame(wxFrame *frame, char *title, int x, int y, int w, int h): - wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h)) +MyProportionsFrame::MyProportionsFrame(wxFrame *parent) + : wxFrame(parent, wxID_ANY, _T("Box Sizer Proportions Demo")) { - panel = (wxPanel *) NULL; - text_window = (MyTextWindow *) NULL; - canvas = (MyWindow *) NULL; + 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)); } -BEGIN_EVENT_TABLE(MyFrame, wxFrame) - EVT_MENU(LAYOUT_LOAD_FILE, MyFrame::LoadFile) - EVT_MENU(LAYOUT_QUIT, MyFrame::Quit) - EVT_MENU(LAYOUT_TEST_NEW, MyFrame::TestNewSizers) - EVT_MENU(LAYOUT_ABOUT, MyFrame::About) - EVT_SIZE(MyFrame::OnSize) -END_EVENT_TABLE() - -void MyFrame::LoadFile(wxCommandEvent& WXUNUSED(event) ) +void MyProportionsFrame::UpdateProportions() { - wxString s = wxFileSelector( _T("Load text file"), (const wxChar *) NULL, - (const wxChar *) NULL, (const wxChar *) NULL, _T("*.txt") ); - if (s != "") - { -#ifdef __WXMSW__ - frame->text_window->LoadFile(s); -#endif - } + for ( size_t n = 0; n < WXSIZEOF(m_spins); n++ ) + { + m_sizer->GetItem(n)->SetProportion(m_spins[n]->GetValue()); + } + + m_sizer->Layout(); } -void MyFrame::Quit(wxCommandEvent& WXUNUSED(event) ) +void MyProportionsFrame::OnProportionUpdated(wxCommandEvent& WXUNUSED(event)) { - this->Close(TRUE); + UpdateProportions(); } -void MyFrame::TestNewSizers(wxCommandEvent& WXUNUSED(event) ) +void MyProportionsFrame::OnProportionChanged(wxSpinEvent& WXUNUSED(event)) { - NewSizerFrame *newFrame = new NewSizerFrame((MyFrame *) NULL, "Sizer Test Frame", 50, 50 ); - newFrame->Show(TRUE); + UpdateProportions(); } -void MyFrame::About(wxCommandEvent& WXUNUSED(event) ) +// ---------------------------------------------------------------------------- +// MyFlexSizerFrame +// ---------------------------------------------------------------------------- + +void MyFlexSizerFrame::InitFlexSizer(wxFlexGridSizer *sizer, wxWindow* parent) { - (void)wxMessageBox("wxWindows GUI library layout demo\n", - "About Layout Demo", wxOK|wxCENTRE); + 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); + } + } } -// Size the subwindows when the frame is resized -void MyFrame::OnSize(wxSizeEvent& WXUNUSED(event) ) +MyFlexSizerFrame::MyFlexSizerFrame(const wxChar *title, int x, int y ) + : wxFrame(NULL, wxID_ANY, title, wxPoint(x, y) ) { - Layout(); + 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); } -void MyFrame::Draw(wxDC& dc, bool WXUNUSED(draw_bitmaps) ) +// ---------------------------------------------------------------------------- +// MySizerDialog +// ---------------------------------------------------------------------------- + +MySizerDialog::MySizerDialog(wxWindow *parent, const wxChar *title) + : wxDialog(parent, wxID_ANY, wxString(title)) { - dc.SetPen(* wxGREEN_PEN); - dc.DrawLine(0, 0, 200, 200); - dc.DrawLine(200, 0, 0, 200); + // 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") ); - dc.SetBrush(* wxCYAN_BRUSH); - dc.SetPen(* wxRED_PEN); + wxSizer *panelsizer = new wxBoxSizer( wxVERTICAL ); - dc.DrawRectangle(100, 100, 100, 50); - dc.DrawRoundedRectangle(150, 150, 100, 50, 20); + 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 ); - dc.DrawEllipse(250, 250, 100, 50); - dc.DrawSpline(50, 200, 50, 100, 200, 10); - dc.DrawLine(50, 230, 200, 230); + panel->SetAutoLayout( true ); + panel->SetSizer( panelsizer ); - dc.SetPen(* wxBLACK_PEN); - dc.DrawArc(50, 300, 100, 250, 100, 300 ); + // Tell dialog to use sizer + SetSizer( topsizer ); + topsizer->SetSizeHints( this ); } -//----------------------------------------------------------------- -// MyWindow -//----------------------------------------------------------------- +// ---------------------------------------------------------------------------- +// 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) + +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."); + + +// Some IDs +enum { + GBS_HIDE_BTN = 1212, + GBS_SHOW_BTN, + GBS_MOVE_BTN1, + GBS_MOVE_BTN2, + + GBS_MAX, +}; -BEGIN_EVENT_TABLE(MyWindow, wxWindow) - EVT_PAINT(MyWindow::OnPaint) + +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() -// 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(void) +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(); -// Define the repainting behaviour -void MyWindow::OnPaint(wxPaintEvent& WXUNUSED(event) ) -{ - wxPaintDC dc(this); - frame->Draw(dc,TRUE); -} -//----------------------------------------------------------------- -// NewSizerFrame -//----------------------------------------------------------------- + m_gbs->Add( new wxStaticText(p, wxID_ANY, gbsDescription), + POS(0,0), SPAN(1, 7), + wxALIGN_CENTER | wxALL, 5); -NewSizerFrame::NewSizerFrame(wxFrame *frame, char *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( 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) ); - wxBox *topsizer = new wxBox( wxVERTICAL ); - - // 1) top: create wxStaticText with minimum size equal to its default size - topsizer->Add( - new wxStaticText( this, -1, "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, "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 + 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) ); - // 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 - wxBox *button_box = new wxBox( wxHORIZONTAL ); - button_box->Add( - new wxButton( this, -1, "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, "(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 + m_hideBtn = new wxButton(p, GBS_HIDE_BTN, _T("Hide this item -->")); + m_gbs->Add(m_hideBtn, POS(12, 3)); - - // set frame to minimum size - topsizer->Fit( this ); - - // don't allow frame to get smaller than what the sizers tell ye - topsizer->SetSizeHints( this ); - - SetSizer( topsizer ); - - SetAutoLayout( TRUE ); + 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(); +}