wxWidgets/samples/propsize/propsize.cpp

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/////////////////////////////////////////////////////////////////////////////
// Name: propsize.cpp
// Purpose: Minimal wxWindows sample
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
#pragma implementation "propsize.cpp"
#pragma interface "propsize.cpp"
#endif
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// for all others, include the necessary headers (this file is usually all you
// need because it includes almost all "standard" wxWindows headers
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "wx/statline.h"
// ----------------------------------------------------------------------------
// ressources
// ----------------------------------------------------------------------------
// the application icon
#if defined(__WXGTK__) || defined(__WXMOTIF__)
#include "mondrian.xpm"
#endif
// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------
// Define a new application type, each program should derive a class from wxApp
class MyApp : public wxApp
{
public:
// override base class virtuals
// ----------------------------
// this one is called on application startup and is a good place for the app
// initialization (doing it here and not in the ctor allows to have an error
// return: if OnInit() returns false, the application terminates)
virtual bool OnInit();
};
// Define a new frame type: this is going to be our main frame
class MyFrame : public wxFrame
{
public:
// ctor(s)
MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
// event handlers (these functions should _not_ be virtual)
void OnQuit(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
private:
// any class wishing to process wxWindows events must use this macro
DECLARE_EVENT_TABLE()
};
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// IDs for the controls and the menu commands
enum
{
// menu items
Minimal_Quit = 1,
Minimal_About
};
// ----------------------------------------------------------------------------
// event tables and other macros for wxWindows
// ----------------------------------------------------------------------------
// the event tables connect the wxWindows events with the functions (event
// handlers) which process them. It can be also done at run-time, but for the
// simple menu events like this the static method is much simpler.
BEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
EVT_MENU(Minimal_About, MyFrame::OnAbout)
END_EVENT_TABLE()
// Create a new application object: this macro will allow wxWindows to create
// the application object during program execution (it's better than using a
// static object for many reasons) and also declares the accessor function
// wxGetApp() which will return the reference of the right type (i.e. MyApp and
// not wxApp)
IMPLEMENT_APP(MyApp)
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// the application class
// ----------------------------------------------------------------------------
// `Main program' equivalent: the program execution "starts" here
bool MyApp::OnInit()
{
// Create the main application window
MyFrame *frame = new MyFrame("Proportional resize",
wxPoint(50, 50), wxSize(450, 340));
// Show it and tell the application that it's our main window
// @@@ what does it do exactly, in fact? is it necessary here?
frame->Show(TRUE);
SetTopWindow(frame);
// success: wxApp::OnRun() will be called which will enter the main message
// loop and the application will run. If we returned FALSE here, the
// application would exit immediately.
return TRUE;
}
// ----------------------------------------------------------------------------
// main frame
// ----------------------------------------------------------------------------
// frame constructor
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
: wxFrame((wxFrame *)NULL, -1, title, pos, size)
{
// set the frame icon
SetIcon(wxICON(mondrian));
// create a menu bar
wxMenu *menuFile = new wxMenu("", wxMENU_TEAROFF);
menuFile->Append(Minimal_About, "&About...\tCtrl-A", "Show about dialog");
menuFile->AppendSeparator();
menuFile->Append(Minimal_Quit, "E&xit\tAlt-X", "Quit this program");
// now append the freshly created menu to the menu bar...
wxMenuBar *menuBar = new wxMenuBar();
menuBar->Append(menuFile, "&File");
// ... and attach this menu bar to the frame
SetMenuBar(menuBar);
#if wxUSE_STATUSBAR
// create a status bar just for fun (by default with 1 pane only)
CreateStatusBar(1);
SetStatusText("Resize the frame to see how controls react");
#endif // wxUSE_STATUSBAR
#define AddLine(orient) \
Add( new wxStaticLine( this, -1, wxDefaultPosition, wxSize(2,2), orient), \
0, wxEXPAND)
#define AddButton(label,align) Add( \
new wxButton( this, -1, label, wxDefaultPosition, wxSize(100,50)), \
1, wxSHAPED | align)
wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
// top row -- top-aligned
wxBoxSizer *hsizer1 = new wxBoxSizer( wxHORIZONTAL );
hsizer1->AddButton( "one", wxALIGN_LEFT | wxALIGN_TOP);
hsizer1->AddLine(wxVERTICAL);
hsizer1->AddButton( "two", wxALIGN_CENTER_HORIZONTAL | wxALIGN_TOP);
hsizer1->AddLine(wxVERTICAL);
hsizer1->AddButton( "three", wxALIGN_RIGHT | wxALIGN_TOP);
topsizer->Add(hsizer1, 1, wxEXPAND);
topsizer->AddLine(wxHORIZONTAL);
wxBoxSizer *hsizer2 = new wxBoxSizer( wxHORIZONTAL );
hsizer2->AddButton( "four", wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL);
hsizer2->AddLine(wxVERTICAL);
// sizer that preserves it's shape
wxBoxSizer *vsizer = new wxBoxSizer( wxVERTICAL );
vsizer->Add(
new wxButton( this, -1, "up", wxDefaultPosition, wxSize(100,25)), \
1, wxEXPAND);
vsizer->Add(
new wxButton( this, -1, "down", wxDefaultPosition, wxSize(100,25)), \
1, wxEXPAND);
hsizer2->Add(vsizer, 1, wxSHAPED | wxALIGN_CENTER);
hsizer2->AddLine(wxVERTICAL);
hsizer2->AddButton( "six", wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL);
topsizer->Add(hsizer2, 1, wxEXPAND);
topsizer->AddLine(wxHORIZONTAL);
wxBoxSizer *hsizer3 = new wxBoxSizer( wxHORIZONTAL );
hsizer3->AddButton( "seven", wxALIGN_LEFT | wxALIGN_BOTTOM);
hsizer3->AddLine(wxVERTICAL);
hsizer3->AddButton( "eight", wxALIGN_CENTER_HORIZONTAL | wxALIGN_BOTTOM);
hsizer3->AddLine(wxVERTICAL);
// wxEXPAND should have no effect
hsizer3->AddButton( "nine", wxEXPAND | wxALIGN_RIGHT | wxALIGN_BOTTOM);
topsizer->Add(hsizer3, 1, wxEXPAND);
// 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 );
}
// event handlers
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
// TRUE is to force the frame to close
Close(TRUE);
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
wxString msg;
msg.Printf( _T("This is the about dialog of proportional sizer test.\n")
_T("Welcome to %s")
#ifdef wxBETA_NUMBER
_T(" (beta %d)!")
#endif // wxBETA_NUMBER
, wxVERSION_STRING
#ifdef wxBETA_NUMBER
, wxBETA_NUMBER
#endif // wxBETA_NUMBER
);
wxMessageBox(msg, "About Shaped Sizer", wxOK | wxICON_INFORMATION, this);
}