[wxWidgets.git] / samples / drawing / drawing.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        drawing.cpp
// Purpose:     shows and tests wxDC features
// Author:      Robert Roebling
// Modified by:
// Created:     04/01/98
// RCS-ID:      $Id$
// Copyright:   (c) Robert Roebling
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
    #pragma implementation "drawing.cpp"
    #pragma interface "drawing.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/colordlg.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);
    void OnPaint(wxPaintEvent &event);
    void OnOption(wxCommandEvent &event);
    void OnMouseMove(wxMouseEvent &event);

    wxColour SelectColour();
    void PrepareDC(wxDC& dc);

protected:
    int      m_backgroundMode;
    int      m_mapMode;
    double   m_xUserScale;
    double   m_yUserScale;
    int      m_xLogicalOrigin;
    int      m_yLogicalOrigin;
    bool     m_xAxisReversed,
             m_yAxisReversed;
    wxColour m_colourForeground,    // these are _text_ colours
             m_colourBackground;
    wxBrush  m_backgroundBrush;

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,

    MenuOption_First,

    MapMode_Text = MenuOption_First,
    MapMode_Lometric,
    MapMode_Twips,
    MapMode_Points,
    MapMode_Metric,

    UserScale_StretchHoriz,
    UserScale_ShrinkHoriz,
    UserScale_StretchVertic,
    UserScale_ShrinkVertic,
    UserScale_Restore,

    AxisMirror_Horiz,
    AxisMirror_Vertic,

    LogicalOrigin_MoveDown,
    LogicalOrigin_MoveUp,
    LogicalOrigin_MoveLeft,
    LogicalOrigin_MoveRight,

    Colour_TextForeground,
    Colour_TextBackground,
    Colour_Background,
    Colour_BackgroundMode,

    MenuOption_Last = Colour_BackgroundMode
};

// ----------------------------------------------------------------------------
// 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_MOTION (MyFrame::OnMouseMove)
    EVT_PAINT  (MyFrame::OnPaint)

    EVT_MENU(Minimal_Quit,  MyFrame::OnQuit)
    EVT_MENU(Minimal_About, MyFrame::OnAbout)

    EVT_MENU_RANGE(MenuOption_First, MenuOption_Last, MyFrame::OnOption)
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("Drawing sample",
                                 wxPoint(50, 50), wxSize(450, 340));

    // Show it and tell the application that it's our main window
    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));

    wxMenu *menuFile = new wxMenu;
    menuFile->Append(Minimal_About, "&About...\tCtrl-A", "Show about dialog");
    menuFile->AppendSeparator();
    menuFile->Append(Minimal_Quit, "E&xit\tAlt-X", "Quit this program");

    wxMenu *menuMapMode = new wxMenu;
    menuMapMode->Append( MapMode_Text, "&TEXT map mode" );
    menuMapMode->Append( MapMode_Lometric, "&LOMETRIC map mode" );
    menuMapMode->Append( MapMode_Twips, "T&WIPS map mode" );
    menuMapMode->Append( MapMode_Points, "&POINTS map mode" );
    menuMapMode->Append( MapMode_Metric, "&METRIC map mode" );

    wxMenu *menuUserScale = new wxMenu;
    menuUserScale->Append( UserScale_StretchHoriz, "Stretch horizontally\tCtrl-H" );
    menuUserScale->Append( UserScale_ShrinkHoriz, "Shrink  horizontally\tCtrl-G" );
    menuUserScale->Append( UserScale_StretchVertic, "Stretch vertically\tCtrl-V" );
    menuUserScale->Append( UserScale_ShrinkVertic, "Shrink vertically\tCtrl-W" );
    menuUserScale->AppendSeparator();
    menuUserScale->Append( UserScale_Restore, "Restore to normal\tCtrl-0" );

    wxMenu *menuAxis = new wxMenu;
    menuAxis->Append( AxisMirror_Horiz, "Mirror horizontally\tCtrl-M", "", TRUE );
    menuAxis->Append( AxisMirror_Vertic, "Mirror vertically\tCtrl-N", "", TRUE );

    wxMenu *menuLogical = new wxMenu;
    menuLogical->Append( LogicalOrigin_MoveDown, "Move &down\tCtrl-D" );
    menuLogical->Append( LogicalOrigin_MoveUp, "Move &up\tCtrl-U" );
    menuLogical->Append( LogicalOrigin_MoveLeft, "Move &right\tCtrl-L" );
    menuLogical->Append( LogicalOrigin_MoveRight, "Move &left\tCtrl-R" );

    wxMenu *menuColour = new wxMenu;
    menuColour->Append( Colour_TextForeground, "Text foreground..." );
    menuColour->Append( Colour_TextBackground, "Text background..." );
    menuColour->Append( Colour_Background, "Background colour..." );
    menuColour->Append( Colour_BackgroundMode, "Opaque/transparent\tCtrl-B", "", TRUE );

    // now append the freshly created menu to the menu bar...
    wxMenuBar *menuBar = new wxMenuBar;
    menuBar->Append(menuFile, "&File");
    menuBar->Append(menuMapMode, "&MapMode");
    menuBar->Append(menuUserScale, "&UserScale");
    menuBar->Append(menuAxis, "&Axis");
    menuBar->Append(menuLogical, "&LogicalOrigin");
    menuBar->Append(menuColour, "&Colours");

    // ... and attach this menu bar to the frame
    SetMenuBar(menuBar);

    // create a status bar just for fun (by default with 1 pane only)
    CreateStatusBar(2);
    SetStatusText("Welcome to wxWindows!");

    m_mapMode = wxMM_TEXT;
    m_xUserScale = 1.0;
    m_yUserScale = 1.0;
    m_xLogicalOrigin = 0;
    m_yLogicalOrigin = 0;
    m_xAxisReversed =
    m_yAxisReversed = FALSE;
    m_backgroundMode = wxSOLID;
}


// 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 the drawing sample.\n")
                _T("Copyright (c) Robert Roebling 1999")
              );

    wxMessageBox(msg, "About Drawing", wxOK | wxICON_INFORMATION, this);
}

void MyFrame::OnOption(wxCommandEvent &event)
{
    switch (event.GetInt())
    {
        case MapMode_Text:
            m_mapMode = wxMM_TEXT;
            break;
        case MapMode_Lometric:
            m_mapMode = wxMM_LOMETRIC;
            break;
        case MapMode_Twips:
            m_mapMode = wxMM_TWIPS;
            break;
        case MapMode_Points:
            m_mapMode = wxMM_POINTS;
            break;
        case MapMode_Metric:
            m_mapMode = wxMM_METRIC;
            break;

        case LogicalOrigin_MoveDown:
            m_yLogicalOrigin += 10;
            break;
        case LogicalOrigin_MoveUp:
            m_yLogicalOrigin -= 10;
            break;
        case LogicalOrigin_MoveLeft:
            m_xLogicalOrigin += 10;
            break;
        case LogicalOrigin_MoveRight:
            m_xLogicalOrigin -= 10;
            break;

        case UserScale_StretchHoriz:
            m_xUserScale *= 1.10;
            break;
        case UserScale_ShrinkHoriz:
            m_xUserScale /= 1.10;
            break;
        case UserScale_StretchVertic:
            m_yUserScale *= 1.10;
            break;
        case UserScale_ShrinkVertic:
            m_yUserScale /= 1.10;
            break;
        case UserScale_Restore:
            m_xUserScale =
            m_yUserScale = 1.0;
            break;

        case AxisMirror_Vertic:
            m_yAxisReversed = !m_yAxisReversed;
            break;
        case AxisMirror_Horiz:
            m_xAxisReversed = !m_xAxisReversed;
            break;

        case Colour_TextForeground:
            m_colourForeground = SelectColour();
            break;
        case Colour_TextBackground:
            m_colourBackground = SelectColour();
            break;
        case Colour_Background:
            {
                wxColour col = SelectColour();
                if ( col.Ok() )
                {
                    m_backgroundBrush.SetColour(col);
                }
            }
            break;
        case Colour_BackgroundMode:
            m_backgroundMode = m_backgroundMode == wxSOLID ? wxTRANSPARENT
                                                           : wxSOLID;
            break;

        default:
            // skip Refresh()
            return;
    }

    Refresh();
}

void MyFrame::PrepareDC(wxDC& dc)
{
    dc.SetMapMode( m_mapMode );
    dc.SetUserScale( m_xUserScale, m_yUserScale );
    dc.SetLogicalOrigin( m_xLogicalOrigin, m_yLogicalOrigin );
    dc.SetAxisOrientation( !m_xAxisReversed, m_yAxisReversed );
}

void MyFrame::OnPaint(wxPaintEvent &WXUNUSED(event) )
{
    wxPaintDC dc(this);
    PrepareDC(dc);

    dc.SetBackgroundMode( m_backgroundMode );
    if ( m_backgroundBrush.Ok() )
        dc.SetBackground( m_backgroundBrush );
    if ( m_colourForeground.Ok() )
        dc.SetTextForeground( m_colourForeground );
    if ( m_colourBackground.Ok() )
        dc.SetTextBackground( m_colourBackground );

    // mark the origin
    dc.DrawCircle(0, 0, 10);
#ifndef __WXGTK__   // not implemented in wxGTK :-(
    dc.FloodFill(0, 0, wxColour(255, 0, 0));
#endif // __WXGTK__

    dc.DrawRectangle( 10, 10, 90, 90 );
    dc.DrawRoundedRectangle( 110, 10, 90, 90, 5 );
    
    dc.SetPen( *wxWHITE_PEN );
    dc.DrawLine( 10, 110, 100, 110 );
    dc.SetPen( *wxBLACK_PEN );
    dc.DrawLine( 100, 110, 100, 200 );
    dc.SetPen( *wxWHITE_PEN );
    dc.DrawLine( 100, 200, 10, 200 );
    dc.SetPen( *wxBLACK_PEN );
    dc.DrawLine( 10, 200, 10, 110 );
    
    wxPen white_butt( "white", 1, wxSOLID );
    white_butt.SetCap( wxCAP_BUTT );
    wxPen black_butt( "black", 1, wxSOLID );
    black_butt.SetCap( wxCAP_BUTT );
    
    dc.SetPen( white_butt );
    dc.DrawLine( 110, 110, 200, 110 );
    dc.SetPen( black_butt );
    dc.DrawLine( 200, 110, 200, 200 );
    dc.SetPen( white_butt );
    dc.DrawLine( 200, 200, 110, 200 );
    dc.SetPen( black_butt );
    dc.DrawLine( 110, 200, 110, 110 );
    
    wxPen white_miter( "white", 1, wxSOLID );
    white_miter.SetJoin( wxJOIN_MITER );
    wxPen black_miter( "black", 1, wxSOLID );
    black_miter.SetJoin( wxJOIN_MITER );
    
    dc.SetPen( white_miter );
    dc.DrawLine( 210, 110, 300, 110 );
    dc.SetPen( black_miter );
    dc.DrawLine( 300, 110, 300, 200 );
    dc.SetPen( white_miter );
    dc.DrawLine( 300, 200, 210, 200 );
    dc.SetPen( black_miter );
    dc.DrawLine( 210, 200, 210, 110 );
    

    dc.DrawText( "This is text\n(on multiple lines)", 110, 10 );

    dc.DrawIcon( wxICON(mondrian), 110, 40 );
}

void MyFrame::OnMouseMove(wxMouseEvent &event)
{
    wxClientDC dc(this);
    PrepareDC(dc);

    wxPoint pos = event.GetPosition();
    long x = dc.DeviceToLogicalX( pos.x );
    long y = dc.DeviceToLogicalY( pos.y );
    wxString str;
    str.Printf( "Current mouse position: %d,%d", (int)x, (int)y );
    SetStatusText( str );
}

wxColour MyFrame::SelectColour()
{
    wxColour col;
    wxColourData data;
    wxColourDialog dialog(this, &data);

    if ( dialog.ShowModal() == wxID_OK )
    {
        col = dialog.GetColourData().GetColour();
    }

    return col;
}
Commit	Line	Data
aba99005 RR	1	/////////////////////////////////////////////////////////////////////////////
aba99005 RR	2	// Name: drawing.cpp
0f0c61d0	3	// Purpose: shows and tests wxDC features
aba99005 RR	4	// Author: Robert Roebling
	5	// Modified by:
	6	// Created: 04/01/98
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Robert Roebling
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	// ============================================================================
	13	// declarations
	14	// ============================================================================
	15
	16	// ----------------------------------------------------------------------------
	17	// headers
	18	// ----------------------------------------------------------------------------
	19	#ifdef __GNUG__
0f0c61d0 VZ	20	#pragma implementation "drawing.cpp"
0f0c61d0 VZ	21	#pragma interface "drawing.cpp"
aba99005 RR	22	#endif
	23
	24	// For compilers that support precompilation, includes "wx/wx.h".
	25	#include "wx/wxprec.h"
	26
	27	#ifdef __BORLANDC__
	28	#pragma hdrstop
	29	#endif
	30
	31	// for all others, include the necessary headers (this file is usually all you
	32	// need because it includes almost all "standard" wxWindows headers
	33	#ifndef WX_PRECOMP
	34	#include "wx/wx.h"
	35	#endif
	36
0f0c61d0 VZ	37	#include "wx/colordlg.h"
0f0c61d0 VZ	38
aba99005 RR	39	// ----------------------------------------------------------------------------
	40	// ressources
	41	// ----------------------------------------------------------------------------
	42	// the application icon
	43	#if defined(__WXGTK__) \|\| defined(__WXMOTIF__)
	44	#include "mondrian.xpm"
	45	#endif
	46
	47	// ----------------------------------------------------------------------------
	48	// private classes
	49	// ----------------------------------------------------------------------------
	50
	51	// Define a new application type, each program should derive a class from wxApp
	52	class MyApp : public wxApp
	53	{
	54	public:
	55	// override base class virtuals
	56	// ----------------------------
	57
	58	// this one is called on application startup and is a good place for the app
	59	// initialization (doing it here and not in the ctor allows to have an error
	60	// return: if OnInit() returns false, the application terminates)
	61	virtual bool OnInit();
	62	};
	63
	64	// Define a new frame type: this is going to be our main frame
	65	class MyFrame : public wxFrame
	66	{
	67	public:
	68	// ctor(s)
	69	MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
	70
	71	// event handlers (these functions should _not_ be virtual)
	72	void OnQuit(wxCommandEvent& event);
	73	void OnAbout(wxCommandEvent& event);
	74	void OnPaint(wxPaintEvent &event);
	75	void OnOption(wxCommandEvent &event);
	76	void OnMouseMove(wxMouseEvent &event);
	77
220af862 VZ	78	wxColour SelectColour();
220af862 VZ	79	void PrepareDC(wxDC& dc);
0f0c61d0 VZ	80
	81	protected:
	82	int m_backgroundMode;
aba99005 RR	83	int m_mapMode;
	84	double m_xUserScale;
	85	double m_yUserScale;
	86	int m_xLogicalOrigin;
	87	int m_yLogicalOrigin;
0f0c61d0 VZ	88	bool m_xAxisReversed,
	89	m_yAxisReversed;
	90	wxColour m_colourForeground, // these are _text_ colours
	91	m_colourBackground;
	92	wxBrush m_backgroundBrush;
aba99005 RR	93
	94	private:
	95	// any class wishing to process wxWindows events must use this macro
	96	DECLARE_EVENT_TABLE()
	97	};
	98
	99	// ----------------------------------------------------------------------------
	100	// constants
	101	// ----------------------------------------------------------------------------
	102
	103	// IDs for the controls and the menu commands
	104	enum
	105	{
	106	// menu items
	107	Minimal_Quit = 1,
	108	Minimal_About,
0f0c61d0 VZ	109
	110	MenuOption_First,
	111
	112	MapMode_Text = MenuOption_First,
aba99005 RR	113	MapMode_Lometric,
	114	MapMode_Twips,
	115	MapMode_Points,
	116	MapMode_Metric,
0f0c61d0	117
aba99005 RR	118	UserScale_StretchHoriz,
	119	UserScale_ShrinkHoriz,
	120	UserScale_StretchVertic,
	121	UserScale_ShrinkVertic,
0f0c61d0 VZ	122	UserScale_Restore,
0f0c61d0 VZ	123
aba99005 RR	124	AxisMirror_Horiz,
aba99005 RR	125	AxisMirror_Vertic,
0f0c61d0	126
aba99005 RR	127	LogicalOrigin_MoveDown,
	128	LogicalOrigin_MoveUp,
	129	LogicalOrigin_MoveLeft,
	130	LogicalOrigin_MoveRight,
0f0c61d0 VZ	131
	132	Colour_TextForeground,
	133	Colour_TextBackground,
	134	Colour_Background,
	135	Colour_BackgroundMode,
	136
	137	MenuOption_Last = Colour_BackgroundMode
aba99005 RR	138	};
	139
	140	// ----------------------------------------------------------------------------
	141	// event tables and other macros for wxWindows
	142	// ----------------------------------------------------------------------------
	143
	144	// the event tables connect the wxWindows events with the functions (event
	145	// handlers) which process them. It can be also done at run-time, but for the
	146	// simple menu events like this the static method is much simpler.
	147	BEGIN_EVENT_TABLE(MyFrame, wxFrame)
	148
	149	EVT_MOTION (MyFrame::OnMouseMove)
	150	EVT_PAINT (MyFrame::OnPaint)
0f0c61d0	151
aba99005 RR	152	EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
aba99005 RR	153	EVT_MENU(Minimal_About, MyFrame::OnAbout)
0f0c61d0 VZ	154
0f0c61d0 VZ	155	EVT_MENU_RANGE(MenuOption_First, MenuOption_Last, MyFrame::OnOption)
aba99005 RR	156	END_EVENT_TABLE()
	157
	158	// Create a new application object: this macro will allow wxWindows to create
	159	// the application object during program execution (it's better than using a
	160	// static object for many reasons) and also declares the accessor function
	161	// wxGetApp() which will return the reference of the right type (i.e. MyApp and
	162	// not wxApp)
	163	IMPLEMENT_APP(MyApp)
	164
	165	// ============================================================================
	166	// implementation
	167	// ============================================================================
	168
	169	// ----------------------------------------------------------------------------
	170	// the application class
	171	// ----------------------------------------------------------------------------
	172
	173	// `Main program' equivalent: the program execution "starts" here
	174	bool MyApp::OnInit()
	175	{
	176	// Create the main application window
ed43910d	177	MyFrame *frame = new MyFrame("Drawing sample",
aba99005 RR	178	wxPoint(50, 50), wxSize(450, 340));
	179
	180	// Show it and tell the application that it's our main window
aba99005 RR	181	frame->Show(TRUE);
	182	SetTopWindow(frame);
	183
	184	// success: wxApp::OnRun() will be called which will enter the main message
	185	// loop and the application will run. If we returned FALSE here, the
	186	// application would exit immediately.
	187	return TRUE;
	188	}
	189
	190	// ----------------------------------------------------------------------------
	191	// main frame
	192	// ----------------------------------------------------------------------------
	193
	194	// frame constructor
	195	MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
	196	: wxFrame((wxFrame *)NULL, -1, title, pos, size)
	197	{
	198	// set the frame icon
	199	SetIcon(wxICON(mondrian));
	200
	201	wxMenu *menuFile = new wxMenu;
	202	menuFile->Append(Minimal_About, "&About...\tCtrl-A", "Show about dialog");
	203	menuFile->AppendSeparator();
	204	menuFile->Append(Minimal_Quit, "E&xit\tAlt-X", "Quit this program");
0f0c61d0	205
aba99005 RR	206	wxMenu *menuMapMode = new wxMenu;
	207	menuMapMode->Append( MapMode_Text, "&TEXT map mode" );
	208	menuMapMode->Append( MapMode_Lometric, "&LOMETRIC map mode" );
	209	menuMapMode->Append( MapMode_Twips, "T&WIPS map mode" );
	210	menuMapMode->Append( MapMode_Points, "&POINTS map mode" );
	211	menuMapMode->Append( MapMode_Metric, "&METRIC map mode" );
0f0c61d0	212
aba99005	213	wxMenu *menuUserScale = new wxMenu;
ed43910d RR	214	menuUserScale->Append( UserScale_StretchHoriz, "Stretch horizontally\tCtrl-H" );
	215	menuUserScale->Append( UserScale_ShrinkHoriz, "Shrink horizontally\tCtrl-G" );
	216	menuUserScale->Append( UserScale_StretchVertic, "Stretch vertically\tCtrl-V" );
	217	menuUserScale->Append( UserScale_ShrinkVertic, "Shrink vertically\tCtrl-W" );
0f0c61d0 VZ	218	menuUserScale->AppendSeparator();
	219	menuUserScale->Append( UserScale_Restore, "Restore to normal\tCtrl-0" );
	220
aba99005	221	wxMenu *menuAxis = new wxMenu;
220af862 VZ	222	menuAxis->Append( AxisMirror_Horiz, "Mirror horizontally\tCtrl-M", "", TRUE );
220af862 VZ	223	menuAxis->Append( AxisMirror_Vertic, "Mirror vertically\tCtrl-N", "", TRUE );
0f0c61d0	224
aba99005 RR	225	wxMenu *menuLogical = new wxMenu;
	226	menuLogical->Append( LogicalOrigin_MoveDown, "Move &down\tCtrl-D" );
	227	menuLogical->Append( LogicalOrigin_MoveUp, "Move &up\tCtrl-U" );
	228	menuLogical->Append( LogicalOrigin_MoveLeft, "Move &right\tCtrl-L" );
	229	menuLogical->Append( LogicalOrigin_MoveRight, "Move &left\tCtrl-R" );
	230
0f0c61d0 VZ	231	wxMenu *menuColour = new wxMenu;
	232	menuColour->Append( Colour_TextForeground, "Text foreground..." );
	233	menuColour->Append( Colour_TextBackground, "Text background..." );
	234	menuColour->Append( Colour_Background, "Background colour..." );
	235	menuColour->Append( Colour_BackgroundMode, "Opaque/transparent\tCtrl-B", "", TRUE );
	236
aba99005 RR	237	// now append the freshly created menu to the menu bar...
	238	wxMenuBar *menuBar = new wxMenuBar;
	239	menuBar->Append(menuFile, "&File");
	240	menuBar->Append(menuMapMode, "&MapMode");
	241	menuBar->Append(menuUserScale, "&UserScale");
	242	menuBar->Append(menuAxis, "&Axis");
	243	menuBar->Append(menuLogical, "&LogicalOrigin");
0f0c61d0	244	menuBar->Append(menuColour, "&Colours");
aba99005 RR	245
	246	// ... and attach this menu bar to the frame
	247	SetMenuBar(menuBar);
	248
	249	// create a status bar just for fun (by default with 1 pane only)
	250	CreateStatusBar(2);
	251	SetStatusText("Welcome to wxWindows!");
0f0c61d0	252
aba99005 RR	253	m_mapMode = wxMM_TEXT;
	254	m_xUserScale = 1.0;
	255	m_yUserScale = 1.0;
	256	m_xLogicalOrigin = 0;
	257	m_yLogicalOrigin = 0;
0f0c61d0 VZ	258	m_xAxisReversed =
	259	m_yAxisReversed = FALSE;
	260	m_backgroundMode = wxSOLID;
aba99005 RR	261	}
	262
	263
	264	// event handlers
	265
	266	void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
	267	{
	268	// TRUE is to force the frame to close
	269	Close(TRUE);
	270	}
	271
	272	void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
	273	{
	274	wxString msg;
	275	msg.Printf( _T("This is the about dialog of the drawing sample.\n")
ed43910d	276	_T("Copyright (c) Robert Roebling 1999")
aba99005 RR	277	);
	278
	279	wxMessageBox(msg, "About Drawing", wxOK \| wxICON_INFORMATION, this);
	280	}
	281
	282	void MyFrame::OnOption(wxCommandEvent &event)
	283	{
	284	switch (event.GetInt())
	285	{
	286	case MapMode_Text:
b9857632	287	m_mapMode = wxMM_TEXT;
0f0c61d0	288	break;
aba99005 RR	289	case MapMode_Lometric:
aba99005 RR	290	m_mapMode = wxMM_LOMETRIC;
0f0c61d0 VZ	291	break;
0f0c61d0 VZ	292	case MapMode_Twips:
aba99005	293	m_mapMode = wxMM_TWIPS;
0f0c61d0 VZ	294	break;
0f0c61d0 VZ	295	case MapMode_Points:
aba99005	296	m_mapMode = wxMM_POINTS;
0f0c61d0 VZ	297	break;
0f0c61d0 VZ	298	case MapMode_Metric:
aba99005	299	m_mapMode = wxMM_METRIC;
0f0c61d0 VZ	300	break;
	301
	302	case LogicalOrigin_MoveDown:
	303	m_yLogicalOrigin += 10;
	304	break;
	305	case LogicalOrigin_MoveUp:
	306	m_yLogicalOrigin -= 10;
	307	break;
	308	case LogicalOrigin_MoveLeft:
	309	m_xLogicalOrigin += 10;
	310	break;
	311	case LogicalOrigin_MoveRight:
	312	m_xLogicalOrigin -= 10;
	313	break;
	314
	315	case UserScale_StretchHoriz:
	316	m_xUserScale *= 1.10;
	317	break;
	318	case UserScale_ShrinkHoriz:
	319	m_xUserScale /= 1.10;
	320	break;
	321	case UserScale_StretchVertic:
	322	m_yUserScale *= 1.10;
	323	break;
	324	case UserScale_ShrinkVertic:
	325	m_yUserScale /= 1.10;
	326	break;
	327	case UserScale_Restore:
	328	m_xUserScale =
	329	m_yUserScale = 1.0;
	330	break;
	331
	332	case AxisMirror_Vertic:
	333	m_yAxisReversed = !m_yAxisReversed;
	334	break;
	335	case AxisMirror_Horiz:
	336	m_xAxisReversed = !m_xAxisReversed;
	337	break;
	338
	339	case Colour_TextForeground:
	340	m_colourForeground = SelectColour();
	341	break;
	342	case Colour_TextBackground:
	343	m_colourBackground = SelectColour();
	344	break;
	345	case Colour_Background:
	346	{
	347	wxColour col = SelectColour();
	348	if ( col.Ok() )
	349	{
	350	m_backgroundBrush.SetColour(col);
	351	}
	352	}
	353	break;
	354	case Colour_BackgroundMode:
	355	m_backgroundMode = m_backgroundMode == wxSOLID ? wxTRANSPARENT
	356	: wxSOLID;
	357	break;
	358
	359	default:
	360	// skip Refresh()
	361	return;
aba99005	362	}
0f0c61d0	363
aba99005 RR	364	Refresh();
	365	}
	366
220af862	367	void MyFrame::PrepareDC(wxDC& dc)
aba99005	368	{
0f0c61d0 VZ	369	dc.SetMapMode( m_mapMode );
	370	dc.SetUserScale( m_xUserScale, m_yUserScale );
	371	dc.SetLogicalOrigin( m_xLogicalOrigin, m_yLogicalOrigin );
428db2ea	372	dc.SetAxisOrientation( !m_xAxisReversed, m_yAxisReversed );
220af862 VZ	373	}
	374
	375	void MyFrame::OnPaint(wxPaintEvent &WXUNUSED(event) )
	376	{
	377	wxPaintDC dc(this);
	378	PrepareDC(dc);
0f0c61d0 VZ	379
	380	dc.SetBackgroundMode( m_backgroundMode );
	381	if ( m_backgroundBrush.Ok() )
	382	dc.SetBackground( m_backgroundBrush );
	383	if ( m_colourForeground.Ok() )
	384	dc.SetTextForeground( m_colourForeground );
	385	if ( m_colourBackground.Ok() )
	386	dc.SetTextBackground( m_colourBackground );
	387
220af862 VZ	388	// mark the origin
	389	dc.DrawCircle(0, 0, 10);
	390	#ifndef __WXGTK__ // not implemented in wxGTK :-(
	391	dc.FloodFill(0, 0, wxColour(255, 0, 0));
	392	#endif // __WXGTK__
	393
0f0c61d0	394	dc.DrawRectangle( 10, 10, 90, 90 );
c17bcb84 RR	395	dc.DrawRoundedRectangle( 110, 10, 90, 90, 5 );
	396
	397	dc.SetPen( *wxWHITE_PEN );
	398	dc.DrawLine( 10, 110, 100, 110 );
	399	dc.SetPen( *wxBLACK_PEN );
	400	dc.DrawLine( 100, 110, 100, 200 );
	401	dc.SetPen( *wxWHITE_PEN );
	402	dc.DrawLine( 100, 200, 10, 200 );
	403	dc.SetPen( *wxBLACK_PEN );
	404	dc.DrawLine( 10, 200, 10, 110 );
	405
	406	wxPen white_butt( "white", 1, wxSOLID );
	407	white_butt.SetCap( wxCAP_BUTT );
	408	wxPen black_butt( "black", 1, wxSOLID );
	409	black_butt.SetCap( wxCAP_BUTT );
	410
	411	dc.SetPen( white_butt );
	412	dc.DrawLine( 110, 110, 200, 110 );
	413	dc.SetPen( black_butt );
	414	dc.DrawLine( 200, 110, 200, 200 );
	415	dc.SetPen( white_butt );
	416	dc.DrawLine( 200, 200, 110, 200 );
	417	dc.SetPen( black_butt );
	418	dc.DrawLine( 110, 200, 110, 110 );
	419
	420	wxPen white_miter( "white", 1, wxSOLID );
	421	white_miter.SetJoin( wxJOIN_MITER );
	422	wxPen black_miter( "black", 1, wxSOLID );
	423	black_miter.SetJoin( wxJOIN_MITER );
	424
	425	dc.SetPen( white_miter );
	426	dc.DrawLine( 210, 110, 300, 110 );
	427	dc.SetPen( black_miter );
	428	dc.DrawLine( 300, 110, 300, 200 );
	429	dc.SetPen( white_miter );
	430	dc.DrawLine( 300, 200, 210, 200 );
	431	dc.SetPen( black_miter );
	432	dc.DrawLine( 210, 200, 210, 110 );
	433
0f0c61d0 VZ	434
	435	dc.DrawText( "This is text\n(on multiple lines)", 110, 10 );
	436
	437	dc.DrawIcon( wxICON(mondrian), 110, 40 );
aba99005 RR	438	}
	439
	440	void MyFrame::OnMouseMove(wxMouseEvent &event)
	441	{
0f0c61d0	442	wxClientDC dc(this);
220af862	443	PrepareDC(dc);
0f0c61d0 VZ	444
	445	wxPoint pos = event.GetPosition();
	446	long x = dc.DeviceToLogicalX( pos.x );
	447	long y = dc.DeviceToLogicalY( pos.y );
	448	wxString str;
	449	str.Printf( "Current mouse position: %d,%d", (int)x, (int)y );
	450	SetStatusText( str );
	451	}
	452
220af862	453	wxColour MyFrame::SelectColour()
0f0c61d0 VZ	454	{
	455	wxColour col;
	456	wxColourData data;
	457	wxColourDialog dialog(this, &data);
	458
	459	if ( dialog.ShowModal() == wxID_OK )
	460	{
428db2ea	461	col = dialog.GetColourData().GetColour();
0f0c61d0 VZ	462	}
	463
	464	return col;
aba99005	465	}