c0ed460c2e
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1137 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
356 lines
9.6 KiB
C++
356 lines
9.6 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: layout.cpp
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// Purpose: Layout sample
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// Author: Julian Smart
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// Modified by:
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// Created: 04/01/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart and Markus Holzem
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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// For compilers that support precompilation, includes "wx/wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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#if !wxUSE_CONSTRAINTS
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#error You must set wxUSE_CONSTRAINTS to 1 in wx_setup.h!
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#endif
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#include <ctype.h>
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#include "layout.h"
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// Declare two frames
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MyFrame *frame = (MyFrame *) NULL;
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wxMenuBar *menu_bar = (wxMenuBar *) NULL;
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IMPLEMENT_APP(MyApp)
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MyApp::MyApp()
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{
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}
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bool MyApp::OnInit(void)
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{
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// Create the main frame window
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frame = new MyFrame((MyFrame *) NULL, (char *) "wxWindows Layout Demo", 0, 0, 550, 500);
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frame->SetAutoLayout(TRUE);
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// Give it a status line
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frame->CreateStatusBar(2);
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// Make a menubar
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wxMenu *file_menu = new wxMenu;
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file_menu->Append(LAYOUT_LOAD_FILE, "&Load file", "Load a text file");
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file_menu->Append(LAYOUT_TEST, "&Test sizers", "Test sizer code");
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file_menu->AppendSeparator();
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file_menu->Append(LAYOUT_QUIT, "E&xit", "Quit program");
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wxMenu *help_menu = new wxMenu;
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help_menu->Append(LAYOUT_ABOUT, "&About", "About layout demo");
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menu_bar = new wxMenuBar;
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menu_bar->Append(file_menu, "&File");
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menu_bar->Append(help_menu, "&Help");
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// Associate the menu bar with the frame
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frame->SetMenuBar(menu_bar);
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// Make a panel
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frame->panel = new wxPanel(frame, 0, 0, 1000, 500, wxTAB_TRAVERSAL);
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frame->panel->SetBackgroundColour(wxColour(192, 192, 192));
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// frame->panel->SetAutoLayout(TRUE);
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// Create some panel items
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wxButton *btn1 = new wxButton(frame->panel, -1, "A button (1)") ;
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wxLayoutConstraints *b1 = new wxLayoutConstraints;
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b1->centreX.SameAs (frame->panel, wxCentreX);
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b1->top.SameAs (frame->panel, wxTop, 5);
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b1->width.PercentOf (frame->panel, wxWidth, 80);
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b1->height.PercentOf (frame->panel, wxHeight, 10);
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btn1->SetConstraints(b1);
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wxListBox *list = new wxListBox(frame->panel, -1,
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wxPoint(-1, -1), wxSize(200, 100));
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list->Append("Apple");
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list->Append("Pear");
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list->Append("Orange");
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list->Append("Banana");
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list->Append("Fruit");
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wxLayoutConstraints *b2 = new wxLayoutConstraints;
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b2->top.Below (btn1, 5);
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b2->left.SameAs (frame->panel, wxLeft, 5);
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b2->width.PercentOf (frame->panel, wxWidth, 40);
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b2->bottom.SameAs (frame->panel, wxBottom, 5);
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list->SetConstraints(b2);
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wxTextCtrl *mtext = new wxTextCtrl(frame->panel, -1, "Some text",
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wxPoint(-1, -1), wxSize(150, 100));
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wxLayoutConstraints *b3 = new wxLayoutConstraints;
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b3->top.Below (btn1, 5);
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b3->left.RightOf (list, 5);
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b3->right.SameAs (frame->panel, wxRight, 5);
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b3->bottom.SameAs (frame->panel, wxBottom, 5);
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mtext->SetConstraints(b3);
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frame->canvas = new MyWindow(frame, 0, 0, 400, 400, wxRETAINED);
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// Give it scrollbars: the virtual canvas is 20 * 50 = 1000 pixels in each direction
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// canvas->SetScrollbars(20, 20, 50, 50, 4, 4);
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// Make a text window
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frame->text_window = new MyTextWindow(frame, 0, 250, 400, 250);
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// Set constraints for panel subwindow
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wxLayoutConstraints *c1 = new wxLayoutConstraints;
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c1->left.SameAs (frame, wxLeft);
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c1->top.SameAs (frame, wxTop);
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c1->right.PercentOf (frame, wxWidth, 50);
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c1->height.PercentOf (frame, wxHeight, 50);
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frame->panel->SetConstraints(c1);
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// Set constraints for canvas subwindow
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wxLayoutConstraints *c2 = new wxLayoutConstraints;
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c2->left.SameAs (frame->panel, wxRight);
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c2->top.SameAs (frame, wxTop);
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c2->right.SameAs (frame, wxRight);
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c2->height.PercentOf (frame, wxHeight, 50);
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frame->canvas->SetConstraints(c2);
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// Set constraints for text subwindow
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wxLayoutConstraints *c3 = new wxLayoutConstraints;
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c3->left.SameAs (frame, wxLeft);
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c3->top.Below (frame->panel);
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c3->right.SameAs (frame, wxRight);
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c3->bottom.SameAs (frame, wxBottom);
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frame->text_window->SetConstraints(c3);
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frame->Show(TRUE);
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frame->SetStatusText("wxWindows layout demo");
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SetTopWindow(frame);
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return TRUE;
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}
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// Define my frame constructor
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MyFrame::MyFrame(wxFrame *frame, char *title, int x, int y, int w, int h):
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wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h))
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{
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panel = (wxPanel *) NULL;
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text_window = (MyTextWindow *) NULL;
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canvas = (MyWindow *) NULL;
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}
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BEGIN_EVENT_TABLE(MyFrame, wxFrame)
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EVT_MENU(LAYOUT_LOAD_FILE, MyFrame::LoadFile)
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EVT_MENU(LAYOUT_QUIT, MyFrame::Quit)
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EVT_MENU(LAYOUT_TEST, MyFrame::TestSizers)
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EVT_MENU(LAYOUT_ABOUT, MyFrame::About)
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EVT_SIZE(MyFrame::OnSize)
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END_EVENT_TABLE()
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void MyFrame::LoadFile(wxCommandEvent& WXUNUSED(event) )
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{
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char *s = wxFileSelector("Load text file", (const char *) NULL, (const char *) NULL, (const char *) NULL, "*.txt");
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if (s)
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{
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#ifdef __WXMSW__
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frame->text_window->LoadFile(s);
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#endif
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}
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}
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void MyFrame::Quit(wxCommandEvent& WXUNUSED(event) )
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{
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this->Close(TRUE);
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}
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void MyFrame::TestSizers(wxCommandEvent& WXUNUSED(event) )
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{
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SizerFrame *newFrame = new SizerFrame((MyFrame *) NULL, (char *) "Sizer Test Frame", 50, 50, 500, 500);
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newFrame->Show(TRUE);
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}
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void MyFrame::About(wxCommandEvent& WXUNUSED(event) )
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{
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(void)wxMessageBox("wxWindows GUI library layout demo\n",
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"About Layout Demo", wxOK|wxCENTRE);
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}
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// Size the subwindows when the frame is resized
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void MyFrame::OnSize(wxSizeEvent& WXUNUSED(event) )
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{
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Layout();
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}
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void MyFrame::Draw(wxDC& dc, bool WXUNUSED(draw_bitmaps) )
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{
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dc.SetPen(* wxGREEN_PEN);
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dc.DrawLine(0, 0, 200, 200);
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dc.DrawLine(200, 0, 0, 200);
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dc.SetBrush(* wxCYAN_BRUSH);
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dc.SetPen(* wxRED_PEN);
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dc.DrawRectangle(100, 100, 100, 50);
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dc.DrawRoundedRectangle(150, 150, 100, 50, 20);
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dc.DrawEllipse(250, 250, 100, 50);
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dc.DrawSpline(50, 200, 50, 100, 200, 10);
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dc.DrawLine(50, 230, 200, 230);
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dc.SetPen(* wxBLACK_PEN);
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dc.DrawArc(50, 300, 100, 250, 100, 300 );
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}
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BEGIN_EVENT_TABLE(MyWindow, wxWindow)
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EVT_PAINT(MyWindow::OnPaint)
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END_EVENT_TABLE()
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// Define a constructor for my canvas
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MyWindow::MyWindow(wxFrame *frame, int x, int y, int w, int h, long style):
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wxWindow(frame, -1, wxPoint(x, y), wxSize(w, h), style)
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{
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}
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MyWindow::~MyWindow(void)
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{
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}
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// Define the repainting behaviour
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void MyWindow::OnPaint(wxPaintEvent& WXUNUSED(event) )
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{
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wxPaintDC dc(this);
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frame->Draw(dc,TRUE);
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}
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// Define the behaviour for the frame closing
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// - must delete all frames except for the main one.
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bool MyFrame::OnClose(void)
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{
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Show(FALSE);
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return TRUE;
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}
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SizerFrame::SizerFrame(wxFrame *frame, char *title, int x, int y, int w, int h):
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wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h))
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{
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panel = new wxPanel(this, -1, wxPoint(0, 0), wxSize(-1, -1), wxTAB_TRAVERSAL);
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panel->SetBackgroundColour(wxColour(192, 192, 192));
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// A sizer to fit the whole panel, plus two sizers, one
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// above the other. A button is centred on the lower
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// sizer; a rowcol containing 3 buttons is centred on the upper
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// sizer.
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wxSizer *expandSizer = new wxSizer(panel, wxSizerExpand);
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expandSizer->SetName("expandSizer");
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wxLayoutConstraints *c;
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/////// TOP OF PANEL
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///////
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wxSizer *topSizer = new wxSizer(expandSizer);
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topSizer->SetName("topSizer");
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// Specify constraints for the top sizer
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c = new wxLayoutConstraints;
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c->left.SameAs (expandSizer, wxLeft);
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c->top.SameAs (expandSizer, wxTop);
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c->right.SameAs (expandSizer, wxRight);
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c->height.PercentOf (expandSizer, wxHeight, 50);
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topSizer->SetConstraints(c);
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/*
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* Add a row-col sizer and some buttons
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*/
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// Default is layout by rows, 20 columns per row, shrink to fit.
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wxRowColSizer *rowCol = new wxRowColSizer(topSizer);
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rowCol->SetName("rowCol");
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wxButton *button = new wxButton(panel, -1, "Button 1");
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rowCol->AddSizerChild(button);
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button = new wxButton(panel, -1, "Button 2");
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rowCol->AddSizerChild(button);
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button = new wxButton(panel, -1, "Button 3");
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rowCol->AddSizerChild(button);
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// Centre the rowcol in the middle of the upper sizer
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c = new wxLayoutConstraints;
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c->centreX.SameAs (topSizer, wxCentreX);
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c->centreY.SameAs (topSizer, wxCentreY);
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c->width.AsIs();
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c->height.AsIs();
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rowCol->SetConstraints(c);
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/////// BOTTOM OF PANEL
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///////
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wxSizer *bottomSizer = new wxSizer(expandSizer);
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// Specify constraints for the bottom sizer
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c = new wxLayoutConstraints;
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c->left.SameAs (expandSizer, wxLeft);
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c->top.PercentOf (expandSizer, wxHeight, 50);
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c->right.SameAs (expandSizer, wxRight);
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c->height.PercentOf (expandSizer, wxHeight, 50);
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bottomSizer->SetConstraints(c);
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wxButton *button2 = new wxButton(panel, -1, "Test button");
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// The button should be a child of the bottom sizer
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bottomSizer->AddSizerChild(button2);
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// Centre the button on the sizer
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c = new wxLayoutConstraints;
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c->centreX.SameAs (bottomSizer, wxCentreX);
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c->centreY.SameAs (bottomSizer, wxCentreY);
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c->width.PercentOf (bottomSizer, wxWidth, 20);
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c->height.PercentOf (bottomSizer, wxHeight, 20);
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button2->SetConstraints(c);
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}
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BEGIN_EVENT_TABLE(SizerFrame, wxFrame)
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EVT_SIZE(SizerFrame::OnSize)
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END_EVENT_TABLE()
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// Size the subwindows when the frame is resized
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void SizerFrame::OnSize(wxSizeEvent& event)
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{
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wxFrame::OnSize(event);
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panel->Layout();
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}
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bool SizerFrame::OnClose(void)
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{
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Show(FALSE);
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return TRUE;
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}
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