42ed75321c
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@18239 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
513 lines
15 KiB
C++
513 lines
15 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: mdi.cpp
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// Purpose: MDI 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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// ===========================================================================
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// declarations
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// ===========================================================================
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// ---------------------------------------------------------------------------
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// headers
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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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#include "wx/mdi.h"
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#endif
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#include "wx/toolbar.h"
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#if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__)
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#include "mondrian.xpm"
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#endif
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#include "bitmaps/new.xpm"
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#include "bitmaps/open.xpm"
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#include "bitmaps/save.xpm"
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#include "bitmaps/copy.xpm"
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#include "bitmaps/cut.xpm"
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#include "bitmaps/paste.xpm"
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#include "bitmaps/print.xpm"
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#include "bitmaps/help.xpm"
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#include "mdi.h"
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IMPLEMENT_APP(MyApp)
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// ---------------------------------------------------------------------------
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// global variables
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// ---------------------------------------------------------------------------
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MyFrame *frame = (MyFrame *) NULL;
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wxList my_children;
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// For drawing lines in a canvas
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static long xpos = -1;
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static long ypos = -1;
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static int gs_nFrames = 0;
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// ---------------------------------------------------------------------------
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// event tables
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// ---------------------------------------------------------------------------
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BEGIN_EVENT_TABLE(MyFrame, wxMDIParentFrame)
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EVT_MENU(MDI_ABOUT, MyFrame::OnAbout)
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EVT_MENU(MDI_NEW_WINDOW, MyFrame::OnNewWindow)
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EVT_MENU(MDI_QUIT, MyFrame::OnQuit)
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EVT_CLOSE(MyFrame::OnClose)
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EVT_SIZE(MyFrame::OnSize)
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END_EVENT_TABLE()
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// Note that MDI_NEW_WINDOW and MDI_ABOUT commands get passed
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// to the parent window for processing, so no need to
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// duplicate event handlers here.
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BEGIN_EVENT_TABLE(MyChild, wxMDIChildFrame)
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EVT_MENU(MDI_CHILD_QUIT, MyChild::OnQuit)
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EVT_MENU(MDI_REFRESH, MyChild::OnRefresh)
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EVT_MENU(MDI_CHANGE_TITLE, MyChild::OnChangeTitle)
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EVT_MENU(MDI_CHANGE_POSITION, MyChild::OnChangePosition)
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EVT_MENU(MDI_CHANGE_SIZE, MyChild::OnChangeSize)
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EVT_SIZE(MyChild::OnSize)
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EVT_MOVE(MyChild::OnMove)
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EVT_CLOSE(MyChild::OnClose)
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END_EVENT_TABLE()
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BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
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EVT_MOUSE_EVENTS(MyCanvas::OnEvent)
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END_EVENT_TABLE()
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// ===========================================================================
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// implementation
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// ===========================================================================
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// ---------------------------------------------------------------------------
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// MyApp
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// ---------------------------------------------------------------------------
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// Initialise this in OnInit, not statically
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bool MyApp::OnInit()
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{
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// Create the main frame window
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frame = new MyFrame((wxFrame *)NULL, -1, _T("MDI Demo"),
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wxPoint(-1, -1), wxSize(500, 400),
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wxDEFAULT_FRAME_STYLE | wxHSCROLL | wxVSCROLL);
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#ifdef __WXMSW__
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#if 0
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// Experimental: change the window menu
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wxMenu* windowMenu = new wxMenu;
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windowMenu->Append(5000, _T("My menu item!"));
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frame->SetWindowMenu(windowMenu);
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#endif
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#endif
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// Give it an icon
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#ifdef __WXMSW__
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frame->SetIcon(wxIcon(_T("mdi_icn")));
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#else
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frame->SetIcon(wxIcon( mondrian_xpm ));
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#endif
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// Make a menubar
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wxMenu *file_menu = new wxMenu;
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file_menu->Append(MDI_NEW_WINDOW, _T("&New window\tCtrl-N"), _T("Create a new child window"));
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file_menu->Append(MDI_QUIT, _T("&Exit\tAlt-X"), _T("Quit the program"));
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wxMenu *help_menu = new wxMenu;
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help_menu->Append(MDI_ABOUT, _T("&About\tF1"));
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wxMenuBar *menu_bar = new wxMenuBar;
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menu_bar->Append(file_menu, _T("&File"));
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menu_bar->Append(help_menu, _T("&Help"));
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// Associate the menu bar with the frame
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frame->SetMenuBar(menu_bar);
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frame->CreateStatusBar();
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frame->Show(TRUE);
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SetTopWindow(frame);
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return TRUE;
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}
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// ---------------------------------------------------------------------------
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// MyFrame
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// ---------------------------------------------------------------------------
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// Define my frame constructor
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MyFrame::MyFrame(wxWindow *parent,
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const wxWindowID id,
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const wxString& title,
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const wxPoint& pos,
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const wxSize& size,
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const long style)
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: wxMDIParentFrame(parent, id, title, pos, size,
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style | wxNO_FULL_REPAINT_ON_RESIZE)
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{
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textWindow = new wxTextCtrl(this, -1, _T("A help window"),
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wxDefaultPosition, wxDefaultSize,
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wxTE_MULTILINE | wxSUNKEN_BORDER);
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CreateToolBar(wxNO_BORDER | wxTB_FLAT | wxTB_HORIZONTAL);
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InitToolBar(GetToolBar());
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// Accelerators
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wxAcceleratorEntry entries[3];
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entries[0].Set(wxACCEL_CTRL, (int) 'N', MDI_NEW_WINDOW);
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entries[1].Set(wxACCEL_CTRL, (int) 'X', MDI_QUIT);
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entries[2].Set(wxACCEL_CTRL, (int) 'A', MDI_ABOUT);
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wxAcceleratorTable accel(3, entries);
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SetAcceleratorTable(accel);
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}
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void MyFrame::OnClose(wxCloseEvent& event)
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{
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if ( event.CanVeto() && (gs_nFrames > 0) )
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{
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wxString msg;
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msg.Printf(_T("%d windows still open, close anyhow?"), gs_nFrames);
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if ( wxMessageBox(msg, _T("Please confirm"),
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wxICON_QUESTION | wxYES_NO) != wxYES )
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{
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event.Veto();
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return;
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}
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}
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event.Skip();
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}
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void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
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{
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Close();
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}
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void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
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{
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(void)wxMessageBox(_T("wxWindows 2.0 MDI Demo\n")
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_T("Author: Julian Smart (c) 1997\n")
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_T("Usage: mdi.exe"), _T("About MDI Demo"));
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}
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void MyFrame::OnNewWindow(wxCommandEvent& WXUNUSED(event) )
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{
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// Make another frame, containing a canvas
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MyChild *subframe = new MyChild(frame, _T("Canvas Frame"),
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wxPoint(-1, -1), wxSize(-1, -1),
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wxDEFAULT_FRAME_STYLE);
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wxString title;
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title.Printf(_T("Canvas Frame %d"), ++gs_nFrames);
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subframe->SetTitle(title);
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// Give it an icon
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#ifdef __WXMSW__
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subframe->SetIcon(wxIcon(_T("chrt_icn")));
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#else
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subframe->SetIcon(wxIcon( mondrian_xpm ));
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#endif
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// Make a menubar
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wxMenu *file_menu = new wxMenu;
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file_menu->Append(MDI_NEW_WINDOW, _T("&New window"));
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file_menu->Append(MDI_CHILD_QUIT, _T("&Close child"), _T("Close this window"));
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file_menu->Append(MDI_QUIT, _T("&Exit"));
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wxMenu *option_menu = new wxMenu;
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option_menu->Append(MDI_REFRESH, _T("&Refresh picture"));
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option_menu->Append(MDI_CHANGE_TITLE, _T("Change &title...\tCtrl-T"));
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option_menu->AppendSeparator();
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option_menu->Append(MDI_CHANGE_POSITION, _T("Move frame\tCtrl-M"));
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option_menu->Append(MDI_CHANGE_SIZE, _T("Resize frame\tCtrl-S"));
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wxMenu *help_menu = new wxMenu;
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help_menu->Append(MDI_ABOUT, _T("&About"));
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wxMenuBar *menu_bar = new wxMenuBar;
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menu_bar->Append(file_menu, _T("&File"));
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menu_bar->Append(option_menu, _T("&Child"));
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menu_bar->Append(help_menu, _T("&Help"));
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// Associate the menu bar with the frame
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subframe->SetMenuBar(menu_bar);
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subframe->CreateStatusBar();
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subframe->SetStatusText(title);
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int width, height;
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subframe->GetClientSize(&width, &height);
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MyCanvas *canvas = new MyCanvas(subframe, wxPoint(0, 0), wxSize(width, height));
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canvas->SetCursor(wxCursor(wxCURSOR_PENCIL));
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subframe->canvas = canvas;
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// Give it scrollbars
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canvas->SetScrollbars(20, 20, 50, 50);
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subframe->Show(TRUE);
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}
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void MyFrame::OnSize(wxSizeEvent& event)
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{
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int w, h;
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GetClientSize(&w, &h);
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textWindow->SetSize(0, 0, 200, h);
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GetClientWindow()->SetSize(200, 0, w - 200, h);
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// FIXME: On wxX11, we need the MDI frame to process this
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// event, but on other platforms this should not
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// be done.
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#ifdef __WXUNIVERSAL__
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event.Skip();
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#endif
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}
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void MyFrame::InitToolBar(wxToolBar* toolBar)
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{
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wxBitmap* bitmaps[8];
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bitmaps[0] = new wxBitmap( new_xpm );
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bitmaps[1] = new wxBitmap( open_xpm );
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bitmaps[2] = new wxBitmap( save_xpm );
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bitmaps[3] = new wxBitmap( copy_xpm );
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bitmaps[4] = new wxBitmap( cut_xpm );
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bitmaps[5] = new wxBitmap( paste_xpm );
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bitmaps[6] = new wxBitmap( print_xpm );
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bitmaps[7] = new wxBitmap( help_xpm );
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int width = 24;
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int currentX = 5;
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toolBar->AddTool( MDI_NEW_WINDOW, *(bitmaps[0]), wxNullBitmap, FALSE, currentX, -1, (wxObject *) NULL, _T("New file"));
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currentX += width + 5;
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toolBar->AddTool(1, *bitmaps[1], wxNullBitmap, FALSE, currentX, -1, (wxObject *) NULL, _T("Open file"));
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currentX += width + 5;
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toolBar->AddTool(2, *bitmaps[2], wxNullBitmap, FALSE, currentX, -1, (wxObject *) NULL, _T("Save file"));
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currentX += width + 5;
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toolBar->AddSeparator();
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toolBar->AddTool(3, *bitmaps[3], wxNullBitmap, FALSE, currentX, -1, (wxObject *) NULL, _T("Copy"));
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currentX += width + 5;
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toolBar->AddTool(4, *bitmaps[4], wxNullBitmap, FALSE, currentX, -1, (wxObject *) NULL, _T("Cut"));
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currentX += width + 5;
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toolBar->AddTool(5, *bitmaps[5], wxNullBitmap, FALSE, currentX, -1, (wxObject *) NULL, _T("Paste"));
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currentX += width + 5;
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toolBar->AddSeparator();
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toolBar->AddTool(6, *bitmaps[6], wxNullBitmap, FALSE, currentX, -1, (wxObject *) NULL, _T("Print"));
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currentX += width + 5;
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toolBar->AddSeparator();
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toolBar->AddTool(7, *bitmaps[7], wxNullBitmap, TRUE, currentX, -1, (wxObject *) NULL, _T("Help"));
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toolBar->Realize();
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int i;
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for (i = 0; i < 8; i++)
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delete bitmaps[i];
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}
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// ---------------------------------------------------------------------------
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// MyCanvas
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// ---------------------------------------------------------------------------
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// Define a constructor for my canvas
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MyCanvas::MyCanvas(wxWindow *parent, const wxPoint& pos, const wxSize& size)
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: wxScrolledWindow(parent, -1, pos, size,
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wxSUNKEN_BORDER |
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wxNO_FULL_REPAINT_ON_RESIZE |
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wxVSCROLL | wxHSCROLL)
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{
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SetBackgroundColour(wxColour(_T("WHITE")));
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m_dirty = FALSE;
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}
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// Define the repainting behaviour
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void MyCanvas::OnDraw(wxDC& dc)
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{
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dc.SetFont(*wxSWISS_FONT);
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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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#if wxUSE_SPLINES
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dc.DrawSpline(50, 200, 50, 100, 200, 10);
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#endif // wxUSE_SPLINES
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dc.DrawLine(50, 230, 200, 230);
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dc.DrawText(_T("This is a test string"), 50, 230);
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wxPoint points[3];
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points[0].x = 200; points[0].y = 300;
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points[1].x = 100; points[1].y = 400;
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points[2].x = 300; points[2].y = 400;
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dc.DrawPolygon(3, points);
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}
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// This implements a tiny doodling program! Drag the mouse using the left
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// button.
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void MyCanvas::OnEvent(wxMouseEvent& event)
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{
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wxClientDC dc(this);
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PrepareDC(dc);
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wxPoint pt(event.GetLogicalPosition(dc));
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if (xpos > -1 && ypos > -1 && event.Dragging())
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{
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dc.SetPen(*wxBLACK_PEN);
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dc.DrawLine(xpos, ypos, pt.x, pt.y);
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m_dirty = TRUE;
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}
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xpos = pt.x;
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ypos = pt.y;
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}
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// ---------------------------------------------------------------------------
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// MyChild
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// ---------------------------------------------------------------------------
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MyChild::MyChild(wxMDIParentFrame *parent, const wxString& title,
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const wxPoint& pos, const wxSize& size,
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const long style)
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: wxMDIChildFrame(parent, -1, title, pos, size,
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style | wxNO_FULL_REPAINT_ON_RESIZE)
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{
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canvas = (MyCanvas *) NULL;
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my_children.Append(this);
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// this should work for MDI frames as well as for normal ones
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SetSizeHints(100, 100);
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}
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MyChild::~MyChild()
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{
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my_children.DeleteObject(this);
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}
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void MyChild::OnQuit(wxCommandEvent& WXUNUSED(event))
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{
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Close(TRUE);
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}
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void MyChild::OnRefresh(wxCommandEvent& WXUNUSED(event))
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{
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if ( canvas )
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canvas->Refresh();
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}
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void MyChild::OnChangePosition(wxCommandEvent& WXUNUSED(event))
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{
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Move(10, 10);
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}
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void MyChild::OnChangeSize(wxCommandEvent& WXUNUSED(event))
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{
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SetClientSize(100, 100);
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}
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void MyChild::OnChangeTitle(wxCommandEvent& WXUNUSED(event))
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{
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//#if wxUSE_TEXTDLG
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static wxString s_title = _T("Canvas Frame");
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wxString title = wxGetTextFromUser(_T("Enter the new title for MDI child"),
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_T("MDI sample question"),
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s_title,
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GetParent()->GetParent());
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if ( !title )
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return;
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s_title = title;
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SetTitle(s_title);
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//#endif
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}
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void MyChild::OnActivate(wxActivateEvent& event)
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{
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if ( event.GetActive() && canvas )
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canvas->SetFocus();
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}
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void MyChild::OnMove(wxMoveEvent& event)
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{
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// VZ: here everything is totally wrong under MSW, the positions are
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// different and both wrong (pos2 is off by 2 pixels for me which seems
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// to be the width of the MDI canvas border)
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wxPoint pos1 = event.GetPosition(),
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pos2 = GetPosition();
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wxLogStatus(wxT("position from event: (%d, %d), from frame (%d, %d)"),
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pos1.x, pos1.y, pos2.x, pos2.y);
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event.Skip();
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}
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void MyChild::OnSize(wxSizeEvent& event)
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{
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// VZ: under MSW the size event carries the client size (quite
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// unexpectedly) *except* for the very first one which has the full
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// size... what should it really be? TODO: check under wxGTK
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wxSize size1 = event.GetSize(),
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size2 = GetSize(),
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size3 = GetClientSize();
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wxLogStatus(wxT("size from event: %dx%d, from frame %dx%d, client %dx%d"),
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size1.x, size1.y, size2.x, size2.y, size3.x, size3.y);
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event.Skip();
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}
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void MyChild::OnClose(wxCloseEvent& event)
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{
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if ( canvas && canvas->IsDirty() )
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{
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if ( wxMessageBox(_T("Really close?"), _T("Please confirm"),
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wxICON_QUESTION | wxYES_NO) != wxYES )
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{
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event.Veto();
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return;
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}
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}
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gs_nFrames--;
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event.Skip();
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}
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