///////////////////////////////////////////////////////////////////////////// // Name: layout.cpp // Purpose: Layout sample // Author: Julian Smart // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem // Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// // 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 #include "wx/sizer.h" #include "wx/statline.h" #include "layout.h" // Declare two frames MyFrame *frame = (MyFrame *) NULL; wxMenuBar *menu_bar = (wxMenuBar *) NULL; IMPLEMENT_APP(MyApp) MyApp::MyApp() { } bool MyApp::OnInit(void) { // Create the main frame window frame = new MyFrame((MyFrame *) NULL, (char *) "wxWindows Layout Demo", 0, 0, 550, 500); frame->SetAutoLayout(TRUE); // Give it a status line frame->CreateStatusBar(2); // 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->AppendSeparator(); file_menu->Append(LAYOUT_QUIT, "E&xit", "Quit program"); wxMenu *help_menu = new wxMenu; help_menu->Append(LAYOUT_ABOUT, "&About", "About layout demo"); menu_bar = new wxMenuBar; menu_bar->Append(file_menu, "&File"); menu_bar->Append(help_menu, "&Help"); // Associate the menu bar with the frame frame->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); // 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)); 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); frame->canvas = new MyWindow(frame, 0, 0, 400, 400, wxRETAINED); // Give it scrollbars: the virtual canvas is 20 * 50 = 1000 pixels in each direction // canvas->SetScrollbars(20, 20, 50, 50, 4, 4); // Make a text window frame->text_window = new MyTextWindow(frame, 0, 250, 400, 250); // Set constraints for panel subwindow wxLayoutConstraints *c1 = new wxLayoutConstraints; c1->left.SameAs (frame, wxLeft); c1->top.SameAs (frame, wxTop); c1->right.PercentOf (frame, wxWidth, 50); c1->height.PercentOf (frame, wxHeight, 50); frame->panel->SetConstraints(c1); // Set constraints for canvas subwindow wxLayoutConstraints *c2 = new wxLayoutConstraints; c2->left.SameAs (frame->panel, wxRight); c2->top.SameAs (frame, wxTop); c2->right.SameAs (frame, wxRight); c2->height.PercentOf (frame, wxHeight, 50); frame->canvas->SetConstraints(c2); // 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); frame->text_window->SetConstraints(c3); frame->Show(TRUE); frame->SetStatusText("wxWindows layout demo"); SetTopWindow(frame); return TRUE; } //----------------------------------------------------------------- // MyFrame //----------------------------------------------------------------- // 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)) { panel = (wxPanel *) NULL; text_window = (MyTextWindow *) NULL; canvas = (MyWindow *) NULL; } 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) ) { 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 } } void MyFrame::Quit(wxCommandEvent& WXUNUSED(event) ) { this->Close(TRUE); } void MyFrame::TestNewSizers(wxCommandEvent& WXUNUSED(event) ) { NewSizerFrame *newFrame = new NewSizerFrame((MyFrame *) NULL, "Sizer Test Frame", 50, 50 ); newFrame->Show(TRUE); } void MyFrame::About(wxCommandEvent& WXUNUSED(event) ) { (void)wxMessageBox("wxWindows GUI library layout demo\n", "About Layout Demo", wxOK|wxCENTRE); } // Size the subwindows when the frame is resized void MyFrame::OnSize(wxSizeEvent& WXUNUSED(event) ) { Layout(); } void MyFrame::Draw(wxDC& dc, bool WXUNUSED(draw_bitmaps) ) { dc.SetPen(* wxGREEN_PEN); dc.DrawLine(0, 0, 200, 200); dc.DrawLine(200, 0, 0, 200); dc.SetBrush(* wxCYAN_BRUSH); dc.SetPen(* wxRED_PEN); dc.DrawRectangle(100, 100, 100, 50); dc.DrawRoundedRectangle(150, 150, 100, 50, 20); dc.DrawEllipse(250, 250, 100, 50); dc.DrawSpline(50, 200, 50, 100, 200, 10); dc.DrawLine(50, 230, 200, 230); dc.SetPen(* wxBLACK_PEN); dc.DrawArc(50, 300, 100, 250, 100, 300 ); } //----------------------------------------------------------------- // MyWindow //----------------------------------------------------------------- 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(void) { } // Define the repainting behaviour void MyWindow::OnPaint(wxPaintEvent& WXUNUSED(event) ) { wxPaintDC dc(this); frame->Draw(dc,TRUE); } //----------------------------------------------------------------- // NewSizerFrame //----------------------------------------------------------------- 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. wxBoxSizer *topsizer = new wxBoxSizer( 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 // 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 // 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, "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 // 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 ); }