55acd85e71
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@989 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
260 lines
8.6 KiB
C++
260 lines
8.6 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: minimal.cpp
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// Purpose: Minimal wxWindows 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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#ifdef __GNUG__
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#pragma implementation "minimal.cpp"
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#pragma interface "minimal.cpp"
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#endif
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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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// for all others, include the necessary headers (this file is usually all you
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// need because it includes almost all "standard" wxWindows headers
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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#include "wx/helpbase.h"
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#include "wx/help.h"
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// ----------------------------------------------------------------------------
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// ressources
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// ----------------------------------------------------------------------------
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// the application icon
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#if defined(__WXGTK__) || defined(__WXMOTIF__)
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#include "mondrian.xpm"
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#endif
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// ----------------------------------------------------------------------------
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// private classes
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// ----------------------------------------------------------------------------
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// Define a new application type, each program should derive a class from wxApp
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class MyApp : public wxApp
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{
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public:
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// override base class virtuals
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// ----------------------------
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// this one is called on application startup and is a good place for the app
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// initialization (doing it here and not in the ctor allows to have an error
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// return: if OnInit() returns false, the application terminates)
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virtual bool OnInit();
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};
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// Define a new frame type: this is going to be our main frame
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class MyFrame : public wxFrame
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{
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public:
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// ctor(s)
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MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
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// event handlers (these functions should _not_ be virtual)
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void OnQuit(wxCommandEvent& event);
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void OnHelp(wxCommandEvent& event);
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private:
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wxHelpController help;
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// any class wishing to process wxWindows events must use this macro
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DECLARE_EVENT_TABLE()
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};
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// IDs for the controls and the menu commands
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enum
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{
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// menu items
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Minimal_Quit = 1,
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Minimal_Help_Index,
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Minimal_Help_Classes,
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Minimal_Help_Functions,
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Minimal_Help_Help,
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Minimal_Help_KDE,
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Minimal_Help_GNOME,
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Minimal_Help_Netscape,
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Minimal_Help_Search,
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// controls start here (the numbers are, of course, arbitrary)
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Minimal_Text = 1000,
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};
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// ----------------------------------------------------------------------------
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// event tables and other macros for wxWindows
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// ----------------------------------------------------------------------------
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// the event tables connect the wxWindows events with the functions (event
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// handlers) which process them. It can be also done at run-time, but for the
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// simple menu events like this the static method is much simpler.
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BEGIN_EVENT_TABLE(MyFrame, wxFrame)
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EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
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EVT_MENU(Minimal_Help_Index, MyFrame::OnHelp)
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EVT_MENU(Minimal_Help_Classes, MyFrame::OnHelp)
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EVT_MENU(Minimal_Help_Functions, MyFrame::OnHelp)
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EVT_MENU(Minimal_Help_Help, MyFrame::OnHelp)
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EVT_MENU(Minimal_Help_KDE, MyFrame::OnHelp)
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EVT_MENU(Minimal_Help_GNOME, MyFrame::OnHelp)
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EVT_MENU(Minimal_Help_Netscape, MyFrame::OnHelp)
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EVT_MENU(Minimal_Help_Search, MyFrame::OnHelp)
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END_EVENT_TABLE()
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// Create a new application object: this macro will allow wxWindows to create
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// the application object during program execution (it's better than using a
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// static object for many reasons) and also declares the accessor function
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// wxGetApp() which will return the reference of the right type (i.e. MyApp and
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// not wxApp)
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IMPLEMENT_APP(MyApp)
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// the application class
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// ----------------------------------------------------------------------------
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// `Main program' equivalent: the program execution "starts" here
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bool MyApp::OnInit()
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{
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// Create the main application window
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MyFrame *frame = new MyFrame("Minimal wxWindows App",
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wxPoint(50, 50), wxSize(450, 340));
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// Show it and tell the application that it's our main window
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// @@@ what does it do exactly, in fact? is it necessary here?
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frame->Show(TRUE);
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SetTopWindow(frame);
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// success: wxApp::OnRun() will be called which will enter the main message
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// loop and the application will run. If we returned FALSE here, the
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// application would exit immediately.
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return TRUE;
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}
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// ----------------------------------------------------------------------------
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// main frame
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// ----------------------------------------------------------------------------
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// frame constructor
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MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
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: wxFrame((wxFrame *)NULL, -1, title, pos, size)
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{
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// set the frame icon
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SetIcon(wxICON(mondrian));
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// create a menu bar
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wxMenu *menuFile = new wxMenu;
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menuFile->Append(Minimal_Help_Index, "&Help Index...");
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menuFile->Append(Minimal_Help_Classes, "&Help on Classes...");
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menuFile->Append(Minimal_Help_Functions, "&Help on Functions...");
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menuFile->Append(Minimal_Help_Help, "&About wxExtHelpController...");
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menuFile->AppendSeparator();
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menuFile->Append(Minimal_Help_Search, "&Search help...");
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if(help.IsKindOf(CLASSINFO(wxExtHelpController)))
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{
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menuFile->AppendSeparator();
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menuFile->Append(Minimal_Help_KDE, "Use &KDE");
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menuFile->Append(Minimal_Help_GNOME, "Use &GNOME");
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menuFile->Append(Minimal_Help_Netscape, "Use &Netscape");
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}
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menuFile->AppendSeparator();
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menuFile->Append(Minimal_Quit, "E&xit");
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// now append the freshly created menu to the menu bar...
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wxMenuBar *menuBar = new wxMenuBar;
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menuBar->Append(menuFile, "&File");
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// ... and attach this menu bar to the frame
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SetMenuBar(menuBar);
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// create a status bar just for fun (by default with 1 pane only)
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CreateStatusBar();
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SetStatusText("Welcome to wxWindows!");
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// now create some controls
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// a panel first - if there were several controls, it would allow us to
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// navigate between them from the keyboard
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wxPanel *panel = new wxPanel(this, -1, wxPoint(0, 0), wxSize(400, 200));
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// and a static control whose parent is the panel
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(void)new wxStaticText(panel, -1, "Hello, world!", wxPoint(10, 10));
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// initialise the help system
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help.Initialize("doc");
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}
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// event handlers
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void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
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{
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// TRUE is to force the frame to close
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Close(TRUE);
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}
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void MyFrame::OnHelp(wxCommandEvent& event)
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{
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switch(event.GetId())
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{
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case Minimal_Help_Classes:
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help.DisplaySection(1);
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break;
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case Minimal_Help_Functions:
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help.DisplaySection(2);
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break;
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case Minimal_Help_Help:
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help.DisplaySection(5);
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break;
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case Minimal_Help_KDE:
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if(help.IsKindOf(CLASSINFO(wxExtHelpController)))
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((wxExtHelpController *)&help)->SetBrowser("kdehelp");
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break;
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case Minimal_Help_GNOME:
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if(help.IsKindOf(CLASSINFO(wxExtHelpController)))
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((wxExtHelpController *)&help)->SetBrowser("gnome-help-browser");
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break;
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case Minimal_Help_Netscape:
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if(help.IsKindOf(CLASSINFO(wxExtHelpController)))
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((wxExtHelpController *)&help)->SetBrowser("netscape",TRUE);
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break;
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case Minimal_Help_Search:
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{
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wxString key = wxGetTextFromUser("Search for?",
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"Search help for keyword",
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"",
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this);
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if(! key.IsEmpty())
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help.KeywordSearch(key);
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}
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break;
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case Minimal_Help_Index:
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default:
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help.DisplayContents();
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break;
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}
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}
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