Life! version 2
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5912 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
@@ -10,29 +10,13 @@
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
// ==========================================================================
|
||||
// declarations
|
||||
// headers, declarations, constants
|
||||
// ==========================================================================
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
// headers
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
#ifdef __GNUG__
|
||||
#pragma implementation "life.h"
|
||||
#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
|
||||
#ifndef WX_PRECOMP
|
||||
#include "wx/wx.h"
|
||||
#endif
|
||||
|
||||
#include "wx/statline.h"
|
||||
|
||||
#include "life.h"
|
||||
@@ -51,6 +35,8 @@
|
||||
#include "bitmaps/reset.xpm"
|
||||
#include "bitmaps/play.xpm"
|
||||
#include "bitmaps/stop.xpm"
|
||||
#include "bitmaps/zoomin.xpm"
|
||||
#include "bitmaps/zoomout.xpm"
|
||||
#endif
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
@@ -61,15 +47,17 @@
|
||||
enum
|
||||
{
|
||||
// menu items and toolbar buttons
|
||||
ID_NEWGAME = 1001,
|
||||
ID_RESET = 1001,
|
||||
ID_SAMPLES,
|
||||
ID_ABOUT,
|
||||
ID_EXIT,
|
||||
ID_CLEAR,
|
||||
ID_CENTER,
|
||||
ID_START,
|
||||
ID_STEP,
|
||||
ID_STOP,
|
||||
ID_WRAP,
|
||||
ID_ZOOMIN,
|
||||
ID_ZOOMOUT,
|
||||
ID_TOPSPEED,
|
||||
|
||||
// speed selection slider
|
||||
ID_SLIDER
|
||||
@@ -81,44 +69,49 @@ enum
|
||||
|
||||
// Event tables
|
||||
BEGIN_EVENT_TABLE(LifeFrame, wxFrame)
|
||||
EVT_MENU (ID_NEWGAME, LifeFrame::OnNewGame)
|
||||
EVT_MENU (ID_SAMPLES, LifeFrame::OnSamples)
|
||||
EVT_MENU (ID_ABOUT, LifeFrame::OnMenu)
|
||||
EVT_MENU (ID_EXIT, LifeFrame::OnMenu)
|
||||
EVT_MENU (ID_CLEAR, LifeFrame::OnMenu)
|
||||
EVT_MENU (ID_START, LifeFrame::OnMenu)
|
||||
EVT_MENU (ID_STEP, LifeFrame::OnMenu)
|
||||
EVT_MENU (ID_STOP, LifeFrame::OnMenu)
|
||||
EVT_MENU (ID_WRAP, LifeFrame::OnMenu)
|
||||
EVT_COMMAND_SCROLL (ID_SLIDER, LifeFrame::OnSlider)
|
||||
EVT_MENU (ID_SAMPLES, LifeFrame::OnSamples)
|
||||
EVT_MENU (ID_RESET, LifeFrame::OnMenu)
|
||||
EVT_MENU (ID_ABOUT, LifeFrame::OnMenu)
|
||||
EVT_MENU (ID_EXIT, LifeFrame::OnMenu)
|
||||
EVT_MENU (ID_CENTER, LifeFrame::OnMenu)
|
||||
EVT_MENU (ID_START, LifeFrame::OnMenu)
|
||||
EVT_MENU (ID_STEP, LifeFrame::OnMenu)
|
||||
EVT_MENU (ID_STOP, LifeFrame::OnMenu)
|
||||
EVT_MENU (ID_ZOOMIN, LifeFrame::OnMenu)
|
||||
EVT_MENU (ID_ZOOMOUT, LifeFrame::OnMenu)
|
||||
EVT_MENU (ID_TOPSPEED, LifeFrame::OnMenu)
|
||||
EVT_COMMAND_SCROLL (ID_SLIDER, LifeFrame::OnSlider)
|
||||
EVT_CLOSE ( LifeFrame::OnClose)
|
||||
END_EVENT_TABLE()
|
||||
|
||||
BEGIN_EVENT_TABLE(LifeCanvas, wxScrolledWindow)
|
||||
EVT_PAINT ( LifeCanvas::OnPaint)
|
||||
EVT_SIZE ( LifeCanvas::OnSize)
|
||||
EVT_MOUSE_EVENTS ( LifeCanvas::OnMouse)
|
||||
BEGIN_EVENT_TABLE(LifeCanvas, wxWindow)
|
||||
EVT_PAINT ( LifeCanvas::OnPaint)
|
||||
EVT_SCROLLWIN ( LifeCanvas::OnScroll)
|
||||
EVT_SIZE ( LifeCanvas::OnSize)
|
||||
EVT_MOUSE_EVENTS ( LifeCanvas::OnMouse)
|
||||
EVT_ERASE_BACKGROUND( LifeCanvas::OnEraseBackground)
|
||||
END_EVENT_TABLE()
|
||||
|
||||
|
||||
// Create a new application object
|
||||
IMPLEMENT_APP(LifeApp)
|
||||
|
||||
|
||||
// ==========================================================================
|
||||
// implementation
|
||||
// ==========================================================================
|
||||
|
||||
// some shortcuts
|
||||
#define ADD_TOOL(a, b, c, d) \
|
||||
toolBar->AddTool(a, b, wxNullBitmap, FALSE, -1, -1, (wxObject *)0, c, d)
|
||||
#define ADD_TOOL(id, bmp, tooltip, help) \
|
||||
toolBar->AddTool(id, bmp, wxNullBitmap, FALSE, -1, -1, (wxObject *)0, tooltip, help)
|
||||
|
||||
#define GET_FRAME() \
|
||||
((LifeFrame *) wxGetApp().GetTopWindow())
|
||||
#define GET_FRAME() ((LifeFrame *) wxGetApp().GetTopWindow())
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
// LifeApp
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
// `Main program' equivalent: the program execution "starts" here
|
||||
// 'Main program' equivalent: the program execution "starts" here
|
||||
bool LifeApp::OnInit()
|
||||
{
|
||||
// create the main application window
|
||||
@@ -146,21 +139,23 @@ LifeFrame::LifeFrame() : wxFrame((wxFrame *)0, -1, _("Life!"), wxPoint(50, 50))
|
||||
wxMenu *menuFile = new wxMenu("", wxMENU_TEAROFF);
|
||||
wxMenu *menuGame = new wxMenu("", wxMENU_TEAROFF);
|
||||
|
||||
menuFile->Append(ID_NEWGAME, _("New game..."), _("Start a new game"));
|
||||
menuFile->Append(ID_RESET, _("Reset"), _("Start a new game"));
|
||||
menuFile->Append(ID_SAMPLES, _("Sample game..."), _("Select a sample configuration"));
|
||||
menuFile->AppendSeparator();
|
||||
menuFile->Append(ID_ABOUT, _("&About...\tCtrl-A"), _("Show about dialog"));
|
||||
menuFile->AppendSeparator();
|
||||
menuFile->Append(ID_EXIT, _("E&xit\tAlt-X"), _("Quit this program"));
|
||||
|
||||
menuGame->Append(ID_CLEAR, _("&Clear\tCtrl-C"), _("Clear game field"));
|
||||
menuGame->Append(ID_CENTER, _("Re¢er\tCtrl-C"), _("Go to (0, 0)"));
|
||||
menuGame->Append(ID_START, _("&Start\tCtrl-S"), _("Start"));
|
||||
menuGame->Append(ID_STEP, _("&Next\tCtrl-N"), _("Single step"));
|
||||
menuGame->Append(ID_STOP, _("S&top\tCtrl-T"), _("Stop"));
|
||||
menuGame->Enable(ID_STOP, FALSE);
|
||||
menuGame->AppendSeparator();
|
||||
menuGame->Append(ID_WRAP, _("&Wraparound\tCtrl-W"), _("Wrap around borders"), TRUE);
|
||||
menuGame->Check (ID_WRAP, TRUE);
|
||||
menuGame->Append(ID_TOPSPEED, _("Top speed!"), _("Go as fast as possible"));
|
||||
menuGame->AppendSeparator();
|
||||
menuGame->Append(ID_ZOOMIN, _("Zoom &in\tCtrl-I"));
|
||||
menuGame->Append(ID_ZOOMOUT, _("Zoom &out\tCtrl-O"));
|
||||
|
||||
wxMenuBar *menuBar = new wxMenuBar();
|
||||
menuBar->Append(menuFile, _("&File"));
|
||||
@@ -168,36 +163,43 @@ LifeFrame::LifeFrame() : wxFrame((wxFrame *)0, -1, _("Life!"), wxPoint(50, 50))
|
||||
SetMenuBar(menuBar);
|
||||
|
||||
// tool bar
|
||||
wxBitmap tbBitmaps[3];
|
||||
wxBitmap tbBitmaps[5];
|
||||
|
||||
tbBitmaps[0] = wxBITMAP(reset);
|
||||
tbBitmaps[1] = wxBITMAP(play);
|
||||
tbBitmaps[2] = wxBITMAP(stop);
|
||||
tbBitmaps[3] = wxBITMAP(zoomin);
|
||||
tbBitmaps[4] = wxBITMAP(zoomout);
|
||||
|
||||
wxToolBar *toolBar = CreateToolBar();
|
||||
toolBar->SetMargins(5, 5);
|
||||
toolBar->SetToolBitmapSize(wxSize(16, 16));
|
||||
ADD_TOOL(ID_CLEAR, tbBitmaps[0], _("Clear"), _("Clear game board"));
|
||||
ADD_TOOL(ID_START, tbBitmaps[1], _("Start"), _("Start"));
|
||||
ADD_TOOL(ID_STOP , tbBitmaps[2], _("Stop"), _("Stop"));
|
||||
toolBar->EnableTool(ID_STOP, FALSE);
|
||||
ADD_TOOL(ID_RESET, tbBitmaps[0], _("Reset"), _("Start a new game"));
|
||||
ADD_TOOL(ID_START, tbBitmaps[1], _("Start"), _("Start"));
|
||||
ADD_TOOL(ID_STOP, tbBitmaps[2], _("Stop"), _("Stop"));
|
||||
toolBar->AddSeparator();
|
||||
ADD_TOOL(ID_ZOOMIN, tbBitmaps[3], _("Zoom in"), _("Zoom in"));
|
||||
ADD_TOOL(ID_ZOOMOUT, tbBitmaps[4], _("Zoom out"), _("Zoom out"));
|
||||
toolBar->Realize();
|
||||
toolBar->EnableTool(ID_STOP, FALSE); // must be after Realize() !
|
||||
|
||||
// status bar
|
||||
CreateStatusBar(2);
|
||||
SetStatusText(_("Welcome to Life!"));
|
||||
|
||||
// game
|
||||
// game and canvas
|
||||
wxPanel *panel = new wxPanel(this, -1);
|
||||
m_life = new Life(20, 20);
|
||||
m_life = new Life();
|
||||
m_canvas = new LifeCanvas(panel, m_life);
|
||||
m_timer = new LifeTimer();
|
||||
m_running = FALSE;
|
||||
m_topspeed = FALSE;
|
||||
m_interval = 500;
|
||||
m_tics = 0;
|
||||
m_text = new wxStaticText(panel, -1, "");
|
||||
UpdateInfoText();
|
||||
|
||||
// slider
|
||||
// speed selection slider
|
||||
wxSlider *slider = new wxSlider(panel, ID_SLIDER,
|
||||
5, 1, 10,
|
||||
wxDefaultPosition,
|
||||
@@ -220,49 +222,80 @@ LifeFrame::LifeFrame() : wxFrame((wxFrame *)0, -1, _("Life!"), wxPoint(50, 50))
|
||||
LifeFrame::~LifeFrame()
|
||||
{
|
||||
delete m_timer;
|
||||
delete m_life;
|
||||
}
|
||||
|
||||
void LifeFrame::UpdateInfoText()
|
||||
{
|
||||
wxString msg;
|
||||
|
||||
msg.Printf(_("Generation: %u, Interval: %u ms"), m_tics, m_interval);
|
||||
msg.Printf(_(" Generation: %u (T: %u ms), Population: %u "),
|
||||
m_tics,
|
||||
m_topspeed? 0 : m_interval,
|
||||
m_life->GetNumCells());
|
||||
m_text->SetLabel(msg);
|
||||
}
|
||||
|
||||
// Enable or disable tools and menu entries according to the current
|
||||
// state. See also wxEVT_UPDATE_UI events for a slightly different
|
||||
// way to do this.
|
||||
void LifeFrame::UpdateUI()
|
||||
{
|
||||
GetToolBar()->EnableTool(ID_START, !m_running);
|
||||
GetToolBar()->EnableTool(ID_STOP, m_running);
|
||||
GetMenuBar()->GetMenu(1)->Enable(ID_START, !m_running);
|
||||
GetMenuBar()->GetMenu(1)->Enable(ID_STEP, !m_running);
|
||||
GetMenuBar()->GetMenu(1)->Enable(ID_STOP, m_running);
|
||||
}
|
||||
|
||||
// event handlers
|
||||
void LifeFrame::OnMenu(wxCommandEvent& event)
|
||||
{
|
||||
switch (event.GetId())
|
||||
{
|
||||
case ID_CENTER : m_canvas->Recenter(0, 0); break;
|
||||
case ID_START : OnStart(); break;
|
||||
case ID_STEP : OnTimer(); break;
|
||||
case ID_STOP : OnStop(); break;
|
||||
case ID_WRAP :
|
||||
case ID_ZOOMIN :
|
||||
{
|
||||
bool checked = GetMenuBar()->GetMenu(1)->IsChecked(ID_WRAP);
|
||||
m_life->SetBorderWrap(checked);
|
||||
int cellsize = m_canvas->GetCellSize();
|
||||
if (cellsize < 32)
|
||||
m_canvas->SetCellSize(cellsize * 2);
|
||||
break;
|
||||
}
|
||||
case ID_CLEAR :
|
||||
case ID_ZOOMOUT :
|
||||
{
|
||||
int cellsize = m_canvas->GetCellSize();
|
||||
if (cellsize > 1)
|
||||
m_canvas->SetCellSize(cellsize / 2);
|
||||
break;
|
||||
}
|
||||
case ID_TOPSPEED:
|
||||
{
|
||||
m_running = TRUE;
|
||||
m_topspeed = TRUE;
|
||||
UpdateUI();
|
||||
while (m_running && m_topspeed)
|
||||
{
|
||||
OnTimer();
|
||||
wxYield();
|
||||
}
|
||||
break;
|
||||
}
|
||||
case ID_RESET:
|
||||
{
|
||||
// stop if it was running
|
||||
OnStop();
|
||||
m_life->Clear();
|
||||
m_canvas->DrawEverything(TRUE);
|
||||
m_canvas->Refresh(FALSE);
|
||||
m_canvas->Recenter(0, 0);
|
||||
m_tics = 0;
|
||||
UpdateInfoText();
|
||||
break;
|
||||
}
|
||||
case ID_ABOUT :
|
||||
case ID_ABOUT:
|
||||
{
|
||||
wxMessageBox(
|
||||
_("This is the about dialog of the Life! sample.\n"
|
||||
"(c) 2000 Guillermo Rodriguez Garcia"),
|
||||
_("About Life!"),
|
||||
wxOK | wxICON_INFORMATION,
|
||||
this);
|
||||
LifeAboutDialog dialog(this);
|
||||
dialog.ShowModal();
|
||||
break;
|
||||
}
|
||||
case ID_EXIT :
|
||||
@@ -274,42 +307,14 @@ void LifeFrame::OnMenu(wxCommandEvent& event)
|
||||
}
|
||||
}
|
||||
|
||||
void LifeFrame::OnNewGame(wxCommandEvent& WXUNUSED(event))
|
||||
void LifeFrame::OnClose(wxCloseEvent& WXUNUSED(event))
|
||||
{
|
||||
int w = m_life->GetWidth();
|
||||
int h = m_life->GetHeight();
|
||||
|
||||
// stop if it was running
|
||||
// Stop if it was running; this is absolutely needed because
|
||||
// the frame won't be actually destroyed until there are no
|
||||
// more pending events, and this in turn won't ever happen
|
||||
// if the timer is running faster than the window can redraw.
|
||||
OnStop();
|
||||
|
||||
// dialog box
|
||||
LifeNewGameDialog dialog(this, &w, &h);
|
||||
|
||||
// new game?
|
||||
if (dialog.ShowModal() == wxID_OK)
|
||||
{
|
||||
// check dimensions
|
||||
if (w >= LIFE_MIN && w <= LIFE_MAX &&
|
||||
h >= LIFE_MIN && h <= LIFE_MAX)
|
||||
{
|
||||
// resize game field
|
||||
m_life->Destroy();
|
||||
m_life->Create(w, h);
|
||||
|
||||
// tell the canvas
|
||||
m_canvas->Reset();
|
||||
m_canvas->Refresh();
|
||||
m_tics = 0;
|
||||
UpdateInfoText();
|
||||
}
|
||||
else
|
||||
{
|
||||
wxString msg;
|
||||
msg.Printf(_("Both dimensions must be within %u and %u.\n"),
|
||||
LIFE_MIN, LIFE_MAX);
|
||||
wxMessageBox(msg, _("Error!"), wxOK | wxICON_EXCLAMATION, this);
|
||||
}
|
||||
}
|
||||
Destroy();
|
||||
}
|
||||
|
||||
void LifeFrame::OnSamples(wxCommandEvent& WXUNUSED(event))
|
||||
@@ -323,40 +328,14 @@ void LifeFrame::OnSamples(wxCommandEvent& WXUNUSED(event))
|
||||
// new game?
|
||||
if (dialog.ShowModal() == wxID_OK)
|
||||
{
|
||||
int result = dialog.GetValue();
|
||||
|
||||
if (result == -1)
|
||||
return;
|
||||
|
||||
int gw = g_shapes[result].m_fieldWidth;
|
||||
int gh = g_shapes[result].m_fieldHeight;
|
||||
int wrap = g_shapes[result].m_wrap;
|
||||
|
||||
// set wraparound (don't ask the user)
|
||||
m_life->SetBorderWrap(wrap);
|
||||
GetMenuBar()->GetMenu(1)->Check(ID_WRAP, wrap);
|
||||
|
||||
// need to resize the game field?
|
||||
if (gw > m_life->GetWidth() || gh > m_life->GetHeight())
|
||||
{
|
||||
wxString s;
|
||||
s.Printf(_("Your game field is too small for this configuration.\n"
|
||||
"It is recommended to resize it to %u x %u. Proceed?\n"),
|
||||
gw, gh);
|
||||
|
||||
if (wxMessageBox(s, _("Question"), wxYES_NO | wxICON_QUESTION, this) == wxYES)
|
||||
{
|
||||
m_life->Destroy();
|
||||
m_life->Create(gw, gh);
|
||||
}
|
||||
}
|
||||
const LifeShape shape = dialog.GetShape();
|
||||
|
||||
// put the shape
|
||||
m_life->SetShape(g_shapes[result]);
|
||||
m_life->Clear();
|
||||
m_life->SetShape(shape);
|
||||
|
||||
// tell the canvas about the change
|
||||
m_canvas->Reset();
|
||||
m_canvas->Refresh();
|
||||
// recenter canvas
|
||||
m_canvas->Recenter(0, 0);
|
||||
m_tics = 0;
|
||||
UpdateInfoText();
|
||||
}
|
||||
@@ -366,14 +345,9 @@ void LifeFrame::OnStart()
|
||||
{
|
||||
if (!m_running)
|
||||
{
|
||||
GetToolBar()->EnableTool(ID_START, FALSE);
|
||||
GetToolBar()->EnableTool(ID_STOP, TRUE);
|
||||
GetMenuBar()->GetMenu(1)->Enable(ID_START, FALSE);
|
||||
GetMenuBar()->GetMenu(1)->Enable(ID_STEP, FALSE);
|
||||
GetMenuBar()->GetMenu(1)->Enable(ID_STOP, TRUE);
|
||||
|
||||
m_timer->Start(m_interval);
|
||||
m_running = TRUE;
|
||||
UpdateUI();
|
||||
}
|
||||
}
|
||||
|
||||
@@ -381,14 +355,10 @@ void LifeFrame::OnStop()
|
||||
{
|
||||
if (m_running)
|
||||
{
|
||||
GetToolBar()->EnableTool(ID_START, TRUE);
|
||||
GetToolBar()->EnableTool(ID_STOP, FALSE);
|
||||
GetMenuBar()->GetMenu(1)->Enable(ID_START, TRUE);
|
||||
GetMenuBar()->GetMenu(1)->Enable(ID_STEP, TRUE);
|
||||
GetMenuBar()->GetMenu(1)->Enable(ID_STOP, FALSE);
|
||||
|
||||
m_timer->Stop();
|
||||
m_running = FALSE;
|
||||
m_topspeed = FALSE;
|
||||
UpdateUI();
|
||||
}
|
||||
}
|
||||
|
||||
@@ -399,22 +369,20 @@ void LifeFrame::OnTimer()
|
||||
else
|
||||
OnStop();
|
||||
|
||||
m_canvas->DrawChanged();
|
||||
UpdateInfoText();
|
||||
m_canvas->DrawEverything();
|
||||
m_canvas->Refresh(FALSE);
|
||||
}
|
||||
|
||||
void LifeFrame::OnSlider(wxScrollEvent& event)
|
||||
{
|
||||
m_interval = event.GetPosition() * 100;
|
||||
|
||||
// restart timer if running, to set the new interval
|
||||
if (m_running)
|
||||
{
|
||||
m_timer->Stop();
|
||||
m_timer->Start(m_interval);
|
||||
OnStop();
|
||||
OnStart();
|
||||
}
|
||||
|
||||
|
||||
UpdateInfoText();
|
||||
}
|
||||
|
||||
@@ -433,129 +401,209 @@ void LifeTimer::Notify()
|
||||
|
||||
// canvas constructor
|
||||
LifeCanvas::LifeCanvas(wxWindow *parent, Life *life, bool interactive)
|
||||
: wxScrolledWindow(parent, -1, wxPoint(0, 0), wxSize(100, 100))
|
||||
: wxWindow(parent, -1, wxPoint(0, 0), wxSize(100, 100),
|
||||
wxSUNKEN_BORDER)
|
||||
{
|
||||
m_life = life;
|
||||
m_interactive = interactive;
|
||||
m_cellsize = 8;
|
||||
m_bmp = NULL;
|
||||
Reset();
|
||||
m_status = MOUSE_NOACTION;
|
||||
m_viewportX = 0;
|
||||
m_viewportY = 0;
|
||||
m_viewportH = 0;
|
||||
m_viewportW = 0;
|
||||
|
||||
if (m_interactive)
|
||||
SetCursor(*wxCROSS_CURSOR);
|
||||
|
||||
// reduce flicker if wxEVT_ERASE_BACKGROUND is not available
|
||||
SetBackgroundColour(*wxWHITE);
|
||||
}
|
||||
|
||||
LifeCanvas::~LifeCanvas()
|
||||
{
|
||||
delete m_bmp;
|
||||
delete m_life;
|
||||
}
|
||||
|
||||
void LifeCanvas::Reset()
|
||||
// recenter at the given position
|
||||
void LifeCanvas::Recenter(wxInt32 i, wxInt32 j)
|
||||
{
|
||||
if (m_bmp)
|
||||
delete m_bmp;
|
||||
|
||||
m_status = MOUSE_NOACTION;
|
||||
m_width = CellToCoord(m_life->GetWidth()) + 1;
|
||||
m_height = CellToCoord(m_life->GetHeight()) + 1;
|
||||
m_bmp = new wxBitmap(m_width, m_height);
|
||||
wxCoord w = GetClientSize().GetX();
|
||||
wxCoord h = GetClientSize().GetY();
|
||||
m_xoffset = (w > m_width)? ((w - m_width) / 2) : 0;
|
||||
m_yoffset = (h > m_height)? ((h - m_height) / 2) : 0;
|
||||
m_viewportX = i - m_viewportW / 2;
|
||||
m_viewportY = j - m_viewportH / 2;
|
||||
|
||||
// redraw everything
|
||||
DrawEverything(TRUE);
|
||||
SetScrollbars(10, 10, (m_width + 9) / 10, (m_height + 9) / 10);
|
||||
Refresh(FALSE);
|
||||
}
|
||||
|
||||
void LifeCanvas::DrawEverything(bool force)
|
||||
// set the cell size and refresh display
|
||||
void LifeCanvas::SetCellSize(int cellsize)
|
||||
{
|
||||
wxMemoryDC dc;
|
||||
m_cellsize = cellsize;
|
||||
|
||||
dc.SelectObject(*m_bmp);
|
||||
dc.BeginDrawing();
|
||||
// find current center
|
||||
wxInt32 cx = m_viewportX + m_viewportW / 2;
|
||||
wxInt32 cy = m_viewportY + m_viewportH / 2;
|
||||
|
||||
// draw cells
|
||||
const CellArray *cells =
|
||||
force? m_life->GetCells() : m_life->GetChangedCells();
|
||||
// get current canvas size and adjust viewport accordingly
|
||||
wxCoord w, h;
|
||||
GetClientSize(&w, &h);
|
||||
m_viewportW = (w + m_cellsize - 1) / m_cellsize;
|
||||
m_viewportH = (h + m_cellsize - 1) / m_cellsize;
|
||||
|
||||
// recenter
|
||||
m_viewportX = cx - m_viewportW / 2;
|
||||
m_viewportY = cy - m_viewportH / 2;
|
||||
|
||||
for (unsigned i = 0; i < cells->GetCount(); i++)
|
||||
DrawCell(cells->Item(i), dc);
|
||||
|
||||
// bounding rectangle (always drawn - better than clipping region)
|
||||
dc.SetPen(*wxBLACK_PEN);
|
||||
dc.SetBrush(*wxTRANSPARENT_BRUSH);
|
||||
dc.DrawRectangle(0, 0, m_width, m_height);
|
||||
|
||||
dc.EndDrawing();
|
||||
dc.SelectObject(wxNullBitmap);
|
||||
}
|
||||
|
||||
void LifeCanvas::DrawCell(Cell c)
|
||||
{
|
||||
wxMemoryDC dc;
|
||||
|
||||
dc.SelectObject(*m_bmp);
|
||||
dc.BeginDrawing();
|
||||
|
||||
dc.SetClippingRegion(1, 1, m_width - 2, m_height - 2);
|
||||
DrawCell(c, dc);
|
||||
|
||||
dc.EndDrawing();
|
||||
dc.SelectObject(wxNullBitmap);
|
||||
}
|
||||
|
||||
void LifeCanvas::DrawCell(Cell c, wxDC &dc)
|
||||
{
|
||||
if (m_life->IsAlive(c))
|
||||
// adjust scrollbars
|
||||
if (m_interactive)
|
||||
{
|
||||
SetScrollbar(wxHORIZONTAL, m_viewportW, m_viewportW, 3 * m_viewportW);
|
||||
SetScrollbar(wxVERTICAL, m_viewportH, m_viewportH, 3 * m_viewportH);
|
||||
m_thumbX = m_viewportW;
|
||||
m_thumbY = m_viewportH;
|
||||
}
|
||||
|
||||
Refresh(FALSE);
|
||||
}
|
||||
|
||||
// draw a cell
|
||||
void LifeCanvas::DrawCell(wxInt32 i, wxInt32 j, bool alive)
|
||||
{
|
||||
wxClientDC dc(this);
|
||||
|
||||
dc.SetPen(alive? *wxBLACK_PEN : *wxWHITE_PEN);
|
||||
dc.SetBrush(alive? *wxBLACK_BRUSH : *wxWHITE_BRUSH);
|
||||
|
||||
dc.BeginDrawing();
|
||||
DrawCell(i, j, dc);
|
||||
dc.EndDrawing();
|
||||
}
|
||||
|
||||
void LifeCanvas::DrawCell(wxInt32 i, wxInt32 j, wxDC &dc)
|
||||
{
|
||||
wxCoord x = CellToX(i);
|
||||
wxCoord y = CellToY(j);
|
||||
|
||||
// if cellsize is 1 or 2, there will be no grid
|
||||
switch (m_cellsize)
|
||||
{
|
||||
case 1:
|
||||
dc.DrawPoint(x, y);
|
||||
break;
|
||||
case 2:
|
||||
dc.DrawRectangle(x, y, 2, 2);
|
||||
break;
|
||||
default:
|
||||
dc.DrawRectangle(x + 1, y + 1, m_cellsize - 1, m_cellsize - 1);
|
||||
}
|
||||
}
|
||||
|
||||
// draw all changed cells
|
||||
void LifeCanvas::DrawChanged()
|
||||
{
|
||||
wxClientDC dc(this);
|
||||
|
||||
size_t ncells;
|
||||
Cell *cells;
|
||||
bool done = FALSE;
|
||||
|
||||
m_life->BeginFind(m_viewportX,
|
||||
m_viewportY,
|
||||
m_viewportX + m_viewportW,
|
||||
m_viewportY + m_viewportH,
|
||||
TRUE);
|
||||
|
||||
dc.BeginDrawing();
|
||||
dc.SetLogicalFunction(wxINVERT);
|
||||
|
||||
if (m_cellsize == 1)
|
||||
{
|
||||
// drawn using DrawPoint
|
||||
dc.SetPen(*wxBLACK_PEN);
|
||||
dc.SetBrush(*wxBLACK_BRUSH);
|
||||
dc.DrawRectangle(CellToCoord( m_life->GetX(c) ),
|
||||
CellToCoord( m_life->GetY(c) ),
|
||||
m_cellsize,
|
||||
m_cellsize);
|
||||
}
|
||||
else
|
||||
{
|
||||
dc.SetPen(*wxLIGHT_GREY_PEN);
|
||||
dc.SetBrush(*wxTRANSPARENT_BRUSH);
|
||||
dc.DrawRectangle(CellToCoord( m_life->GetX(c) ),
|
||||
CellToCoord( m_life->GetY(c) ),
|
||||
m_cellsize,
|
||||
m_cellsize);
|
||||
dc.SetPen(*wxWHITE_PEN);
|
||||
dc.SetBrush(*wxWHITE_BRUSH);
|
||||
dc.DrawRectangle(CellToCoord( m_life->GetX(c) ) + 1,
|
||||
CellToCoord( m_life->GetY(c) ) + 1,
|
||||
m_cellsize - 1,
|
||||
m_cellsize - 1);
|
||||
// drawn using DrawRectangle
|
||||
dc.SetPen(*wxTRANSPARENT_PEN);
|
||||
dc.SetBrush(*wxBLACK_BRUSH);
|
||||
}
|
||||
|
||||
while (!done)
|
||||
{
|
||||
done = m_life->FindMore(&cells, &ncells);
|
||||
|
||||
for (size_t m = 0; m < ncells; m++)
|
||||
DrawCell(cells[m].i, cells[m].j, dc);
|
||||
}
|
||||
dc.EndDrawing();
|
||||
}
|
||||
|
||||
// event handlers
|
||||
void LifeCanvas::OnPaint(wxPaintEvent& event)
|
||||
{
|
||||
wxPaintDC dc(this);
|
||||
wxMemoryDC memdc;
|
||||
wxRect rect = GetUpdateRegion().GetBox();
|
||||
wxCoord x, y, w, h;
|
||||
wxInt32 i0, j0, i1, j1;
|
||||
|
||||
wxRegionIterator upd(GetUpdateRegion());
|
||||
wxCoord x, y, w, h, xx, yy;
|
||||
// find damaged area
|
||||
x = rect.GetX();
|
||||
y = rect.GetY();
|
||||
w = rect.GetWidth();
|
||||
h = rect.GetHeight();
|
||||
|
||||
i0 = XToCell(x);
|
||||
j0 = YToCell(y);
|
||||
i1 = XToCell(x + w - 1);
|
||||
j1 = YToCell(y + h - 1);
|
||||
|
||||
size_t ncells;
|
||||
Cell *cells;
|
||||
bool done = FALSE;
|
||||
|
||||
m_life->BeginFind(i0, j0, i1, j1, FALSE);
|
||||
done = m_life->FindMore(&cells, &ncells);
|
||||
|
||||
// erase all damaged cells and draw the grid
|
||||
dc.BeginDrawing();
|
||||
memdc.SelectObject(*m_bmp);
|
||||
dc.SetBrush(*wxWHITE_BRUSH);
|
||||
|
||||
while(upd)
|
||||
if (m_cellsize <= 2)
|
||||
{
|
||||
x = upd.GetX();
|
||||
y = upd.GetY();
|
||||
w = upd.GetW();
|
||||
h = upd.GetH();
|
||||
CalcUnscrolledPosition(x, y, &xx, &yy);
|
||||
// no grid
|
||||
dc.SetPen(*wxWHITE_PEN);
|
||||
dc.DrawRectangle(x, y, w, h);
|
||||
}
|
||||
else
|
||||
{
|
||||
x = CellToX(i0);
|
||||
y = CellToY(j0);
|
||||
w = CellToX(i1 + 1) - x + 1;
|
||||
h = CellToY(j1 + 1) - y + 1;
|
||||
|
||||
dc.Blit(x, y, w, h, &memdc, xx - m_xoffset, yy - m_yoffset);
|
||||
upd++;
|
||||
dc.SetPen(*wxLIGHT_GREY_PEN);
|
||||
for (wxInt32 yy = y; yy <= (y + h - m_cellsize); yy += m_cellsize)
|
||||
dc.DrawRectangle(x, yy, w, m_cellsize + 1);
|
||||
for (wxInt32 xx = x; xx <= (x + w - m_cellsize); xx += m_cellsize)
|
||||
dc.DrawLine(xx, y, xx, y + h);
|
||||
}
|
||||
|
||||
memdc.SelectObject(wxNullBitmap);
|
||||
// draw all alive cells
|
||||
dc.SetPen(*wxBLACK_PEN);
|
||||
dc.SetBrush(*wxBLACK_BRUSH);
|
||||
|
||||
while (!done)
|
||||
{
|
||||
for (size_t m = 0; m < ncells; m++)
|
||||
DrawCell(cells[m].i, cells[m].j, dc);
|
||||
|
||||
done = m_life->FindMore(&cells, &ncells);
|
||||
}
|
||||
|
||||
// last set
|
||||
for (size_t m = 0; m < ncells; m++)
|
||||
DrawCell(cells[m].i, cells[m].j, dc);
|
||||
|
||||
dc.EndDrawing();
|
||||
}
|
||||
|
||||
@@ -564,42 +612,21 @@ void LifeCanvas::OnMouse(wxMouseEvent& event)
|
||||
if (!m_interactive)
|
||||
return;
|
||||
|
||||
int x, y, xx, yy, i, j;
|
||||
|
||||
// which cell are we pointing at?
|
||||
x = event.GetX();
|
||||
y = event.GetY();
|
||||
CalcUnscrolledPosition(x, y, &xx, &yy);
|
||||
i = CoordToCell( xx - m_xoffset );
|
||||
j = CoordToCell( yy - m_yoffset );
|
||||
wxInt32 i = XToCell( event.GetX() );
|
||||
wxInt32 j = YToCell( event.GetY() );
|
||||
|
||||
// adjust x, y to point to the upper left corner of the cell
|
||||
CalcScrolledPosition( CellToCoord(i) + m_xoffset,
|
||||
CellToCoord(j) + m_yoffset,
|
||||
&x, &y );
|
||||
|
||||
// set cursor shape and statusbar text
|
||||
if (i < 0 || i >= m_life->GetWidth() ||
|
||||
j < 0 || j >= m_life->GetHeight())
|
||||
{
|
||||
GET_FRAME()->SetStatusText(wxEmptyString, 1);
|
||||
SetCursor(*wxSTANDARD_CURSOR);
|
||||
}
|
||||
else
|
||||
{
|
||||
wxString msg;
|
||||
msg.Printf(_("Cell: (%u, %u)"), i, j);
|
||||
GET_FRAME()->SetStatusText(msg, 1);
|
||||
SetCursor(*wxCROSS_CURSOR);
|
||||
}
|
||||
// set statusbar text
|
||||
wxString msg;
|
||||
msg.Printf(_("Cell: (%d, %d)"), i, j);
|
||||
GET_FRAME()->SetStatusText(msg, 1);
|
||||
|
||||
// button pressed?
|
||||
if (!event.LeftIsDown())
|
||||
{
|
||||
m_status = MOUSE_NOACTION;
|
||||
}
|
||||
else if (i >= 0 && i < m_life->GetWidth() &&
|
||||
j >= 0 && j < m_life->GetHeight())
|
||||
else
|
||||
{
|
||||
bool alive = m_life->IsAlive(i, j);
|
||||
|
||||
@@ -611,20 +638,124 @@ void LifeCanvas::OnMouse(wxMouseEvent& event)
|
||||
if (((m_status == MOUSE_ERASING) && alive) ||
|
||||
((m_status == MOUSE_DRAWING) && !alive))
|
||||
{
|
||||
wxRect rect(x, y, m_cellsize + 1, m_cellsize + 1);
|
||||
DrawCell( m_life->SetCell(i, j, !alive) );
|
||||
Refresh(FALSE, &rect);
|
||||
m_life->SetCell(i, j, !alive);
|
||||
DrawCell(i, j, !alive);
|
||||
GET_FRAME()->UpdateInfoText();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void LifeCanvas::OnSize(wxSizeEvent& event)
|
||||
{
|
||||
// find center
|
||||
wxInt32 cx = m_viewportX + m_viewportW / 2;
|
||||
wxInt32 cy = m_viewportY + m_viewportH / 2;
|
||||
|
||||
// get new size
|
||||
wxCoord w = event.GetSize().GetX();
|
||||
wxCoord h = event.GetSize().GetY();
|
||||
m_xoffset = (w > m_width)? ((w - m_width) / 2) : 0;
|
||||
m_yoffset = (h > m_height)? ((h - m_height) / 2) : 0;
|
||||
m_viewportW = (w + m_cellsize - 1) / m_cellsize;
|
||||
m_viewportH = (h + m_cellsize - 1) / m_cellsize;
|
||||
|
||||
// recenter
|
||||
m_viewportX = cx - m_viewportW / 2;
|
||||
m_viewportY = cy - m_viewportH / 2;
|
||||
|
||||
// scrollbars
|
||||
if (m_interactive)
|
||||
{
|
||||
SetScrollbar(wxHORIZONTAL, m_viewportW, m_viewportW, 3 * m_viewportW);
|
||||
SetScrollbar(wxVERTICAL, m_viewportH, m_viewportH, 3 * m_viewportH);
|
||||
m_thumbX = m_viewportW;
|
||||
m_thumbY = m_viewportH;
|
||||
}
|
||||
|
||||
// allow default processing
|
||||
event.Skip();
|
||||
}
|
||||
|
||||
void LifeCanvas::OnScroll(wxScrollWinEvent& event)
|
||||
{
|
||||
WXTYPE type = event.GetEventType();
|
||||
int pos = event.GetPosition();
|
||||
int orient = event.GetOrientation();
|
||||
bool scrolling = event.IsScrolling();
|
||||
int scrollinc = 0;
|
||||
|
||||
// calculate scroll increment
|
||||
switch (type)
|
||||
{
|
||||
case wxEVT_SCROLLWIN_TOP:
|
||||
{
|
||||
if (orient == wxHORIZONTAL)
|
||||
scrollinc = -m_viewportW;
|
||||
else
|
||||
scrollinc = -m_viewportH;
|
||||
break;
|
||||
}
|
||||
case wxEVT_SCROLLWIN_BOTTOM:
|
||||
{
|
||||
if (orient == wxHORIZONTAL)
|
||||
scrollinc = m_viewportW;
|
||||
else
|
||||
scrollinc = m_viewportH;
|
||||
break;
|
||||
}
|
||||
case wxEVT_SCROLLWIN_LINEUP: scrollinc = -1; break;
|
||||
case wxEVT_SCROLLWIN_LINEDOWN: scrollinc = +1; break;
|
||||
case wxEVT_SCROLLWIN_PAGEUP: scrollinc = -10; break;
|
||||
case wxEVT_SCROLLWIN_PAGEDOWN: scrollinc = +10; break;
|
||||
case wxEVT_SCROLLWIN_THUMBTRACK:
|
||||
{
|
||||
if (scrolling)
|
||||
{
|
||||
// user is dragging the thumb in the scrollbar
|
||||
if (orient == wxHORIZONTAL)
|
||||
{
|
||||
scrollinc = pos - m_thumbX;
|
||||
m_thumbX = pos;
|
||||
}
|
||||
else
|
||||
{
|
||||
scrollinc = pos - m_thumbY;
|
||||
m_thumbY = pos;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// user released the thumb after dragging
|
||||
m_thumbX = m_viewportW;
|
||||
m_thumbY = m_viewportH;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef __WXGTK__ // what about Motif?
|
||||
// wxGTK updates the thumb automatically (wxMSW doesn't); reset it back
|
||||
if ((type != wxEVT_SCROLLWIN_THUMBTRACK) || !scrolling)
|
||||
{
|
||||
SetScrollbar(wxHORIZONTAL, m_viewportW, m_viewportW, 3 * m_viewportW);
|
||||
SetScrollbar(wxVERTICAL, m_viewportH, m_viewportH, 3 * m_viewportH);
|
||||
}
|
||||
#endif
|
||||
|
||||
if (scrollinc == 0) return;
|
||||
|
||||
// scroll the window and adjust the viewport
|
||||
if (orient == wxHORIZONTAL)
|
||||
{
|
||||
m_viewportX += scrollinc;
|
||||
ScrollWindow( -m_cellsize * scrollinc, 0, (const wxRect *) NULL);
|
||||
}
|
||||
else
|
||||
{
|
||||
m_viewportY += scrollinc;
|
||||
ScrollWindow( 0, -m_cellsize * scrollinc, (const wxRect *) NULL);
|
||||
}
|
||||
}
|
||||
|
||||
void LifeCanvas::OnEraseBackground(wxEraseEvent& WXUNUSED(event))
|
||||
{
|
||||
// do nothing. I just don't want the background to be erased, you know.
|
||||
}
|
||||
|
Reference in New Issue
Block a user