/////////////////////////////////////////////////////////////////////////////
// Name: life.cpp
-// Purpose: The game of life, created by J. H. Conway
+// Purpose: The game of Life, created by J. H. Conway
// Author: Guillermo Rodriguez Garcia, <guille@iies.es>
// Modified by:
// Created: Jan/2000
#pragma implementation "life.h"
#endif
+// For compilers that support precompilation, includes "wx/wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+ #include "wx/wx.h"
+#endif
+
#include "wx/statline.h"
+#include "wx/wfstream.h"
+#include "wx/filedlg.h"
#include "life.h"
#include "game.h"
#include "dialogs.h"
+#include "reader.h"
// --------------------------------------------------------------------------
// resources
// --------------------------------------------------------------------------
#if defined(__WXGTK__) || defined(__WXMOTIF__)
- // the application icon
+ // application icon
#include "mondrian.xpm"
// bitmap buttons for the toolbar
#include "bitmaps/reset.xpm"
+ #include "bitmaps/open.xpm"
#include "bitmaps/play.xpm"
#include "bitmaps/stop.xpm"
#include "bitmaps/zoomin.xpm"
#include "bitmaps/zoomout.xpm"
+ #include "bitmaps/info.xpm"
+
+ // navigator
+ #include "bitmaps/north.xpm"
+ #include "bitmaps/south.xpm"
+ #include "bitmaps/east.xpm"
+ #include "bitmaps/west.xpm"
+ #include "bitmaps/center.xpm"
#endif
// --------------------------------------------------------------------------
// IDs for the controls and the menu commands
enum
{
- // menu items and toolbar buttons
- ID_RESET = 1001,
+ // timer
+ ID_TIMER = 1001,
+
+ // file menu
+ ID_NEW,
+ ID_OPEN,
ID_SAMPLES,
ID_ABOUT,
ID_EXIT,
+
+ // view menu
+ ID_SHOWNAV,
+ ID_ORIGIN,
ID_CENTER,
+ ID_NORTH,
+ ID_SOUTH,
+ ID_EAST,
+ ID_WEST,
+ ID_ZOOMIN,
+ ID_ZOOMOUT,
+ ID_INFO,
+
+ // game menu
ID_START,
ID_STEP,
ID_STOP,
- ID_ZOOMIN,
- ID_ZOOMOUT,
ID_TOPSPEED,
// speed selection slider
- ID_SLIDER
+ ID_SLIDER,
};
// --------------------------------------------------------------------------
// Event tables
BEGIN_EVENT_TABLE(LifeFrame, wxFrame)
+ EVT_MENU (ID_NEW, LifeFrame::OnMenu)
+ EVT_MENU (ID_OPEN, LifeFrame::OnOpen)
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_SHOWNAV, LifeFrame::OnMenu)
+ EVT_MENU (ID_ORIGIN, LifeFrame::OnNavigate)
+ EVT_BUTTON (ID_CENTER, LifeFrame::OnNavigate)
+ EVT_BUTTON (ID_NORTH, LifeFrame::OnNavigate)
+ EVT_BUTTON (ID_SOUTH, LifeFrame::OnNavigate)
+ EVT_BUTTON (ID_EAST, LifeFrame::OnNavigate)
+ EVT_BUTTON (ID_WEST, LifeFrame::OnNavigate)
+ EVT_MENU (ID_ZOOMIN, LifeFrame::OnZoom)
+ EVT_MENU (ID_ZOOMOUT, LifeFrame::OnZoom)
+ EVT_MENU (ID_INFO, 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_TIMER (ID_TIMER, LifeFrame::OnTimer)
EVT_CLOSE ( LifeFrame::OnClose)
END_EVENT_TABLE()
+BEGIN_EVENT_TABLE(LifeNavigator, wxMiniFrame)
+ EVT_CLOSE ( LifeNavigator::OnClose)
+END_EVENT_TABLE()
+
BEGIN_EVENT_TABLE(LifeCanvas, wxWindow)
EVT_PAINT ( LifeCanvas::OnPaint)
EVT_SCROLLWIN ( LifeCanvas::OnScroll)
EVT_SIZE ( LifeCanvas::OnSize)
- EVT_MOUSE_EVENTS ( LifeCanvas::OnMouse)
+ EVT_MOTION ( LifeCanvas::OnMouse)
+ EVT_LEFT_DOWN ( LifeCanvas::OnMouse)
+ EVT_LEFT_UP ( LifeCanvas::OnMouse)
+ EVT_LEFT_DCLICK ( LifeCanvas::OnMouse)
EVT_ERASE_BACKGROUND( LifeCanvas::OnEraseBackground)
END_EVENT_TABLE()
// ==========================================================================
// some shortcuts
-#define ADD_TOOL(id, bmp, tooltip, help) \
+#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())
// --------------------------------------------------------------------------
// LifeApp
frame->Show(TRUE);
SetTopWindow(frame);
+ // just for Motif
+#ifdef __WXMOTIF__
+ frame->UpdateInfoText();
+#endif
+
// enter the main message loop and run the app
return TRUE;
}
// --------------------------------------------------------------------------
// frame constructor
-LifeFrame::LifeFrame() : wxFrame((wxFrame *)0, -1, _("Life!"), wxPoint(50, 50))
+LifeFrame::LifeFrame() : wxFrame((wxFrame *)0, -1, _("Life!"), wxPoint(200, 200))
{
// frame icon
SetIcon(wxICON(mondrian));
// menu bar
wxMenu *menuFile = new wxMenu("", wxMENU_TEAROFF);
+ wxMenu *menuView = new wxMenu("", wxMENU_TEAROFF);
wxMenu *menuGame = new wxMenu("", wxMENU_TEAROFF);
- menuFile->Append(ID_RESET, _("Reset"), _("Start a new game"));
- menuFile->Append(ID_SAMPLES, _("Sample game..."), _("Select a sample configuration"));
+ menuFile->Append(ID_NEW, _("&New"), _("Start a new game"));
+ menuFile->Append(ID_OPEN, _("&Open..."), _("Open an existing Life pattern"));
+ 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_CENTER, _("Re¢er\tCtrl-C"), _("Go to (0, 0)"));
+ menuView->Append(ID_SHOWNAV, _("Navigation &toolbox"), _("Show or hide toolbox"), TRUE);
+ menuView->Check (ID_SHOWNAV, TRUE);
+ menuView->AppendSeparator();
+ menuView->Append(ID_ORIGIN, _("&Absolute origin"), _("Go to (0, 0)"));
+ menuView->Append(ID_CENTER, _("&Center of mass"), _("Find center of mass"));
+ menuView->Append(ID_NORTH, _("&North"), _("Find northernmost cell"));
+ menuView->Append(ID_SOUTH, _("&South"), _("Find southernmost cell"));
+ menuView->Append(ID_EAST, _("&East"), _("Find easternmost cell"));
+ menuView->Append(ID_WEST, _("&West"), _("Find westernmost cell"));
+ menuView->AppendSeparator();
+ menuView->Append(ID_ZOOMIN, _("Zoom &in\tCtrl-I"), _("Zoom in"));
+ menuView->Append(ID_ZOOMOUT, _("Zoom &out\tCtrl-O"), _("Zoom out"));
+ menuView->Append(ID_INFO, _("&Description...\tCtrl-D"), _("View pattern description"));
+
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_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"));
+ menuGame->Append(ID_TOPSPEED, _("T&op speed!"), _("Go as fast as possible"));
wxMenuBar *menuBar = new wxMenuBar();
menuBar->Append(menuFile, _("&File"));
+ menuBar->Append(menuView, _("&View"));
menuBar->Append(menuGame, _("&Game"));
SetMenuBar(menuBar);
// tool bar
- wxBitmap tbBitmaps[5];
+ wxBitmap tbBitmaps[7];
tbBitmaps[0] = wxBITMAP(reset);
- tbBitmaps[1] = wxBITMAP(play);
- tbBitmaps[2] = wxBITMAP(stop);
- tbBitmaps[3] = wxBITMAP(zoomin);
- tbBitmaps[4] = wxBITMAP(zoomout);
+ tbBitmaps[1] = wxBITMAP(open);
+ tbBitmaps[2] = wxBITMAP(zoomin);
+ tbBitmaps[3] = wxBITMAP(zoomout);
+ tbBitmaps[4] = wxBITMAP(info);
+ tbBitmaps[5] = wxBITMAP(play);
+ tbBitmaps[6] = wxBITMAP(stop);
wxToolBar *toolBar = CreateToolBar();
toolBar->SetMargins(5, 5);
toolBar->SetToolBitmapSize(wxSize(16, 16));
- 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"));
+
+ ADD_TOOL(ID_NEW, tbBitmaps[0], _("New"), _("Start a new game"));
+ ADD_TOOL(ID_OPEN, tbBitmaps[1], _("Open"), _("Open an existing Life pattern"));
+ toolBar->AddSeparator();
+ ADD_TOOL(ID_ZOOMIN, tbBitmaps[2], _("Zoom in"), _("Zoom in"));
+ ADD_TOOL(ID_ZOOMOUT, tbBitmaps[3], _("Zoom out"), _("Zoom out"));
+ ADD_TOOL(ID_INFO, tbBitmaps[4], _("Description"), _("Show description"));
toolBar->AddSeparator();
- ADD_TOOL(ID_ZOOMIN, tbBitmaps[3], _("Zoom in"), _("Zoom in"));
- ADD_TOOL(ID_ZOOMOUT, tbBitmaps[4], _("Zoom out"), _("Zoom out"));
+ ADD_TOOL(ID_START, tbBitmaps[5], _("Start"), _("Start"));
+ ADD_TOOL(ID_STOP, tbBitmaps[6], _("Stop"), _("Stop"));
+
toolBar->Realize();
toolBar->EnableTool(ID_STOP, FALSE); // must be after Realize() !
CreateStatusBar(2);
SetStatusText(_("Welcome to Life!"));
- // game and canvas
- wxPanel *panel = new wxPanel(this, -1);
- 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();
+ // game and timer
+ m_life = new Life();
+ m_timer = new wxTimer(this, ID_TIMER);
+ m_running = FALSE;
+ m_topspeed = FALSE;
+ m_interval = 500;
+ m_tics = 0;
- // speed selection slider
- wxSlider *slider = new wxSlider(panel, ID_SLIDER,
+ // We use two different panels to reduce flicker in wxGTK, because
+ // some widgets (like wxStaticText) don't have their own X11 window,
+ // and thus updating the text would result in a refresh of the canvas
+ // if they belong to the same parent.
+
+ wxPanel *panel1 = new wxPanel(this, -1);
+ wxPanel *panel2 = new wxPanel(this, -1);
+
+ // canvas
+ m_canvas = new LifeCanvas(panel1, m_life);
+
+ // info panel
+ m_text = new wxStaticText(panel2, -1,
+ wxEmptyString,
+ wxDefaultPosition,
+ wxDefaultSize,
+ wxALIGN_CENTER | wxST_NO_AUTORESIZE);
+
+ wxSlider *slider = new wxSlider(panel2, ID_SLIDER,
5, 1, 10,
wxDefaultPosition,
wxSize(200, -1),
wxSL_HORIZONTAL | wxSL_AUTOTICKS);
+ UpdateInfoText();
+
// component layout
- wxBoxSizer *sizer = new wxBoxSizer(wxVERTICAL);
- sizer->Add(new wxStaticLine(panel, -1), 0, wxGROW | wxCENTRE);
- sizer->Add(m_canvas, 1, wxGROW | wxCENTRE | wxALL, 5);
- sizer->Add(new wxStaticLine(panel, -1), 0, wxGROW | wxCENTRE);
- sizer->Add(m_text, 0, wxCENTRE | wxTOP, 5);
- sizer->Add(slider, 0, wxCENTRE | wxALL, 5);
- panel->SetSizer(sizer);
- panel->SetAutoLayout(TRUE);
- sizer->Fit(this);
- sizer->SetSizeHints(this);
+ wxBoxSizer *sizer1 = new wxBoxSizer(wxVERTICAL);
+ wxBoxSizer *sizer2 = new wxBoxSizer(wxVERTICAL);
+ wxBoxSizer *sizer3 = new wxBoxSizer(wxVERTICAL);
+
+ sizer1->Add( new wxStaticLine(panel1, -1), 0, wxGROW );
+ sizer1->Add( m_canvas, 1, wxGROW | wxALL, 2 );
+ sizer1->Add( new wxStaticLine(panel1, -1), 0, wxGROW );
+ panel1->SetSizer( sizer1 );
+ panel1->SetAutoLayout( TRUE );
+ sizer1->Fit( panel1 );
+
+ sizer2->Add( m_text, 0, wxGROW | wxTOP, 4 );
+ sizer2->Add( slider, 0, wxCENTRE | wxALL, 4 );
+
+ panel2->SetSizer( sizer2 );
+ panel2->SetAutoLayout( TRUE );
+ sizer2->Fit( panel2 );
+
+ sizer3->Add( panel1, 1, wxGROW );
+ sizer3->Add( panel2, 0, wxGROW );
+ SetSizer( sizer3 );
+ SetAutoLayout( TRUE );
+ sizer3->Fit( this );
+
+ // set minimum frame size
+ sizer3->SetSizeHints( this );
+
+ // navigator frame
+ m_navigator = new LifeNavigator(this);
}
LifeFrame::~LifeFrame()
{
wxString msg;
- msg.Printf(_(" Generation: %u (T: %u ms), Population: %u "),
+ msg.Printf(_(" Generation: %u (T: %u ms), Population: %u "),
m_tics,
m_topspeed? 0 : m_interval,
m_life->GetNumCells());
// way to do this.
void LifeFrame::UpdateUI()
{
+ // start / stop
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);
+ GetMenuBar()->GetMenu(2)->Enable(ID_START, !m_running);
+ GetMenuBar()->GetMenu(2)->Enable(ID_STEP, !m_running);
+ GetMenuBar()->GetMenu(2)->Enable(ID_STOP, m_running);
+
+ // zooming
+ int cellsize = m_canvas->GetCellSize();
+ GetToolBar()->EnableTool(ID_ZOOMIN, cellsize < 32);
+ GetToolBar()->EnableTool(ID_ZOOMOUT, cellsize > 1);
+ GetMenuBar()->GetMenu(1)->Enable(ID_ZOOMIN, cellsize < 32);
+ GetMenuBar()->GetMenu(1)->Enable(ID_ZOOMOUT, cellsize > 1);
}
-// event handlers
+// Event handlers -----------------------------------------------------------
+
+// OnMenu handles all events which don't have their own event handler
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_ZOOMIN :
+ case ID_NEW:
+ {
+ // stop if it was running
+ OnStop();
+ m_life->Clear();
+ m_canvas->Recenter(0, 0);
+ m_tics = 0;
+ UpdateInfoText();
+ break;
+ }
+ case ID_ABOUT:
+ {
+ LifeAboutDialog dialog(this);
+ dialog.ShowModal();
+ break;
+ }
+ case ID_EXIT:
+ {
+ // TRUE is to force the frame to close
+ Close(TRUE);
+ break;
+ }
+ case ID_SHOWNAV :
{
- int cellsize = m_canvas->GetCellSize();
- if (cellsize < 32)
- m_canvas->SetCellSize(cellsize * 2);
+ bool checked = GetMenuBar()->GetMenu(1)->IsChecked(ID_SHOWNAV);
+ m_navigator->Show(checked);
break;
}
- case ID_ZOOMOUT :
+ case ID_INFO:
{
- int cellsize = m_canvas->GetCellSize();
- if (cellsize > 1)
- m_canvas->SetCellSize(cellsize / 2);
+ wxString desc = m_life->GetDescription();
+
+ if ( desc.IsEmpty() )
+ desc = _("Not available");
+
+ // should we make the description editable here?
+ wxMessageBox(desc, _("Description"), wxOK | wxICON_INFORMATION);
+
break;
}
+ case ID_START : OnStart(); break;
+ case ID_STEP : OnStep(); break;
+ case ID_STOP : OnStop(); break;
case ID_TOPSPEED:
{
m_running = TRUE;
UpdateUI();
while (m_running && m_topspeed)
{
- OnTimer();
+ OnStep();
wxYield();
}
break;
}
- case ID_RESET:
+ }
+}
+
+void LifeFrame::OnOpen(wxCommandEvent& WXUNUSED(event))
+{
+ wxFileDialog filedlg(this,
+ _("Choose a file to open"),
+ _(""),
+ _(""),
+ _("Life patterns (*.lif)|*.lif|All files (*.*)|*.*"),
+ wxOPEN | wxFILE_MUST_EXIST);
+
+ if (filedlg.ShowModal() == wxID_OK)
+ {
+ wxFileInputStream stream(filedlg.GetFilename());
+ LifeReader reader(stream);
+
+ // the reader handles errors itself, no need to do anything here
+ if (reader.IsOk())
{
- // stop if it was running
+ // stop if running and put the pattern
OnStop();
m_life->Clear();
+ m_life->SetPattern(reader.GetPattern());
+
+ // recenter canvas
m_canvas->Recenter(0, 0);
m_tics = 0;
UpdateInfoText();
- break;
- }
- case ID_ABOUT:
- {
- LifeAboutDialog dialog(this);
- dialog.ShowModal();
- break;
- }
- case ID_EXIT :
- {
- // TRUE is to force the frame to close
- Close(TRUE);
- break;
}
}
}
-void LifeFrame::OnClose(wxCloseEvent& WXUNUSED(event))
-{
- // 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();
- Destroy();
-}
-
void LifeFrame::OnSamples(wxCommandEvent& WXUNUSED(event))
{
// stop if it was running
// dialog box
LifeSamplesDialog dialog(this);
- // new game?
if (dialog.ShowModal() == wxID_OK)
{
- const LifeShape shape = dialog.GetShape();
+ const LifePattern pattern = dialog.GetPattern();
- // put the shape
+ // put the pattern
m_life->Clear();
- m_life->SetShape(shape);
+ m_life->SetPattern(pattern);
// recenter canvas
m_canvas->Recenter(0, 0);
}
}
+void LifeFrame::OnZoom(wxCommandEvent& event)
+{
+ int cellsize = m_canvas->GetCellSize();
+
+ if ((event.GetId() == ID_ZOOMIN) && cellsize < 32)
+ {
+ m_canvas->SetCellSize(cellsize * 2);
+ UpdateUI();
+ }
+ else if ((event.GetId() == ID_ZOOMOUT) && cellsize > 1)
+ {
+ m_canvas->SetCellSize(cellsize / 2);
+ UpdateUI();
+ }
+}
+
+void LifeFrame::OnNavigate(wxCommandEvent& event)
+{
+ Cell c;
+
+ switch (event.GetId())
+ {
+ case ID_NORTH: c = m_life->FindNorth(); break;
+ case ID_SOUTH: c = m_life->FindSouth(); break;
+ case ID_WEST: c = m_life->FindWest(); break;
+ case ID_EAST: c = m_life->FindEast(); break;
+ case ID_CENTER: c = m_life->FindCenter(); break;
+ case ID_ORIGIN: c.i = c.j = 0; break;
+ }
+
+ m_canvas->Recenter(c.i, c.j);
+}
+
+void LifeFrame::OnSlider(wxScrollEvent& event)
+{
+ m_interval = event.GetPosition() * 100;
+
+ if (m_running)
+ {
+ OnStop();
+ OnStart();
+ }
+
+ UpdateInfoText();
+}
+
+void LifeFrame::OnTimer(wxTimerEvent& WXUNUSED(event))
+{
+ OnStep();
+}
+
+void LifeFrame::OnClose(wxCloseEvent& WXUNUSED(event))
+{
+ // 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();
+ Destroy();
+}
+
void LifeFrame::OnStart()
{
if (!m_running)
}
}
-void LifeFrame::OnTimer()
+void LifeFrame::OnStep()
{
if (m_life->NextTic())
m_tics++;
UpdateInfoText();
}
-void LifeFrame::OnSlider(wxScrollEvent& event)
-{
- m_interval = event.GetPosition() * 100;
-
- if (m_running)
- {
- OnStop();
- OnStart();
- }
-
- UpdateInfoText();
-}
// --------------------------------------------------------------------------
-// LifeTimer
+// LifeNavigator miniframe
// --------------------------------------------------------------------------
-void LifeTimer::Notify()
+LifeNavigator::LifeNavigator(wxWindow *parent)
+ : wxMiniFrame(parent, -1,
+ _("Navigation"),
+ wxDefaultPosition,
+ wxDefaultSize,
+ wxCAPTION | wxSIMPLE_BORDER)
{
- GET_FRAME()->OnTimer();
-};
+ wxPanel *panel = new wxPanel(this, -1);
+ wxBoxSizer *sizer1 = new wxBoxSizer(wxVERTICAL);
+ wxBoxSizer *sizer2 = new wxBoxSizer(wxHORIZONTAL);
+
+ // create bitmaps and masks for the buttons
+ wxBitmap
+ bmpn = wxBITMAP(north),
+ bmpw = wxBITMAP(west),
+ bmpc = wxBITMAP(center),
+ bmpe = wxBITMAP(east),
+ bmps = wxBITMAP(south);
+
+#if !defined(__WXGTK__) && !defined(__WXMOTIF__)
+ bmpn.SetMask(new wxMask(bmpn, *wxLIGHT_GREY));
+ bmpw.SetMask(new wxMask(bmpw, *wxLIGHT_GREY));
+ bmpc.SetMask(new wxMask(bmpc, *wxLIGHT_GREY));
+ bmpe.SetMask(new wxMask(bmpe, *wxLIGHT_GREY));
+ bmps.SetMask(new wxMask(bmps, *wxLIGHT_GREY));
+#endif
+
+ // create the buttons and attach tooltips to them
+ wxBitmapButton
+ *bn = new wxBitmapButton(panel, ID_NORTH, bmpn),
+ *bw = new wxBitmapButton(panel, ID_WEST , bmpw),
+ *bc = new wxBitmapButton(panel, ID_CENTER, bmpc),
+ *be = new wxBitmapButton(panel, ID_EAST , bmpe),
+ *bs = new wxBitmapButton(panel, ID_SOUTH, bmps);
+
+#if wxUSE_TOOLTIPS
+ bn->SetToolTip(_("Find northernmost cell"));
+ bw->SetToolTip(_("Find westernmost cell"));
+ bc->SetToolTip(_("Find center of mass"));
+ be->SetToolTip(_("Find easternmost cell"));
+ bs->SetToolTip(_("Find southernmost cell"));
+#endif
+
+ // add buttons to sizers
+ sizer2->Add( bw, 0, wxCENTRE | wxWEST, 4 );
+ sizer2->Add( bc, 0, wxCENTRE);
+ sizer2->Add( be, 0, wxCENTRE | wxEAST, 4 );
+ sizer1->Add( bn, 0, wxCENTRE | wxNORTH, 4 );
+ sizer1->Add( sizer2 );
+ sizer1->Add( bs, 0, wxCENTRE | wxSOUTH, 4 );
+
+ // set the miniframe size
+ panel->SetSizer(sizer1);
+ panel->SetAutoLayout(TRUE);
+ sizer1->Fit(this);
+ sizer1->SetSizeHints(this);
+
+ // move it to a sensible position
+ wxRect parentRect = parent->GetRect();
+ wxSize childSize = GetSize();
+ int x = parentRect.GetX() +
+ parentRect.GetWidth();
+ int y = parentRect.GetY() +
+ (parentRect.GetHeight() - childSize.GetHeight()) / 4;
+ Move(x, y);
+
+ // done
+ Show(TRUE);
+}
+
+void LifeNavigator::OnClose(wxCloseEvent& event)
+{
+ // avoid if we can
+ if (event.CanVeto())
+ event.Veto();
+ else
+ Destroy();
+}
+
// --------------------------------------------------------------------------
// LifeCanvas
wxInt32 cy = m_viewportY + m_viewportH / 2;
// get current canvas size and adjust viewport accordingly
- wxCoord w, h;
+ int w, h;
GetClientSize(&w, &h);
m_viewportW = (w + m_cellsize - 1) / m_cellsize;
m_viewportH = (h + m_cellsize - 1) / m_cellsize;
TRUE);
dc.BeginDrawing();
- dc.SetLogicalFunction(wxINVERT);
if (m_cellsize == 1)
{
- // drawn using DrawPoint
dc.SetPen(*wxBLACK_PEN);
}
else
{
- // drawn using DrawRectangle
dc.SetPen(*wxTRANSPARENT_PEN);
dc.SetBrush(*wxBLACK_BRUSH);
}
+ dc.SetLogicalFunction(wxINVERT);
while (!done)
{
// set statusbar text
wxString msg;
msg.Printf(_("Cell: (%d, %d)"), i, j);
- GET_FRAME()->SetStatusText(msg, 1);
+ ((LifeFrame *) wxGetApp().GetTopWindow())->SetStatusText(msg, 1);
+
+ // NOTE that wxMouseEvent::LeftDown() and wxMouseEvent::LeftIsDown()
+ // have different semantics. The first one is used to signal that the
+ // button was just pressed (i.e., in "button down" events); the second
+ // one just describes the current status of the button, independently
+ // of the mouse event type. LeftIsDown is typically used in "mouse
+ // move" events, to test if the button is _still_ pressed.
- // button pressed?
+ // is the button down?
if (!event.LeftIsDown())
{
m_status = MOUSE_NOACTION;
+ return;
}
- else
- {
- bool alive = m_life->IsAlive(i, j);
-
- // if just pressed, update status
- if (m_status == MOUSE_NOACTION)
- m_status = (alive? MOUSE_ERASING : MOUSE_DRAWING);
- // toggle cell and refresh if needed
- if (((m_status == MOUSE_ERASING) && alive) ||
- ((m_status == MOUSE_DRAWING) && !alive))
+ // was it pressed just now?
+ if (event.LeftDown())
+ {
+ // yes: start a new action and toggle this cell
+ m_status = (m_life->IsAlive(i, j)? MOUSE_ERASING : MOUSE_DRAWING);
+
+ m_mi = i;
+ m_mj = j;
+ m_life->SetCell(i, j, m_status == MOUSE_DRAWING);
+ DrawCell(i, j, m_status == MOUSE_DRAWING);
+ }
+ else if ((m_mi != i) || (m_mj != j))
+ {
+ // no: continue ongoing action
+ bool alive = (m_status == MOUSE_DRAWING);
+
+ // prepare DC and pen + brush to optimize drawing
+ wxClientDC dc(this);
+ dc.SetPen(alive? *wxBLACK_PEN : *wxWHITE_PEN);
+ dc.SetBrush(alive? *wxBLACK_BRUSH : *wxWHITE_BRUSH);
+ dc.BeginDrawing();
+
+ // draw a line of cells using Bresenham's algorithm
+ wxInt32 d, ii, jj, di, ai, si, dj, aj, sj;
+ di = i - m_mi;
+ ai = abs(di) << 1;
+ si = (di < 0)? -1 : 1;
+ dj = j - m_mj;
+ aj = abs(dj) << 1;
+ sj = (dj < 0)? -1 : 1;
+
+ ii = m_mi;
+ jj = m_mj;
+
+ if (ai > aj)
{
- m_life->SetCell(i, j, !alive);
- DrawCell(i, j, !alive);
- GET_FRAME()->UpdateInfoText();
+ // iterate over i
+ d = aj - (ai >> 1);
+
+ while (ii != i)
+ {
+ m_life->SetCell(ii, jj, alive);
+ DrawCell(ii, jj, dc);
+ if (d >= 0)
+ {
+ jj += sj;
+ d -= ai;
+ }
+ ii += si;
+ d += aj;
+ }
+ }
+ else
+ {
+ // iterate over j
+ d = ai - (aj >> 1);
+
+ while (jj != j)
+ {
+ m_life->SetCell(ii, jj, alive);
+ DrawCell(ii, jj, dc);
+ if (d >= 0)
+ {
+ ii += si;
+ d -= aj;
+ }
+ jj += sj;
+ d += ai;
+ }
}
+
+ // last cell
+ m_life->SetCell(ii, jj, alive);
+ DrawCell(ii, jj, dc);
+ m_mi = ii;
+ m_mj = jj;
+
+ dc.EndDrawing();
}
+
+ ((LifeFrame *) wxGetApp().GetTopWindow())->UpdateInfoText();
}
void LifeCanvas::OnSize(wxSizeEvent& event)
WXTYPE type = event.GetEventType();
int pos = event.GetPosition();
int orient = event.GetOrientation();
- bool scrolling = event.IsScrolling();
- int scrollinc = 0;
// calculate scroll increment
+ int scrollinc = 0;
switch (type)
{
case wxEVT_SCROLLWIN_TOP:
case wxEVT_SCROLLWIN_PAGEDOWN: scrollinc = +10; break;
case wxEVT_SCROLLWIN_THUMBTRACK:
{
- if (scrolling)
+ if (orient == wxHORIZONTAL)
{
- // 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;
- }
+ scrollinc = pos - m_thumbX;
+ m_thumbX = pos;
}
else
{
- // user released the thumb after dragging
- m_thumbX = m_viewportW;
- m_thumbY = m_viewportH;
+ scrollinc = pos - m_thumbY;
+ m_thumbY = pos;
}
break;
}
+ case wxEVT_SCROLLWIN_THUMBRELEASE:
+ {
+ m_thumbX = m_viewportW;
+ m_thumbY = m_viewportH;
+ }
}
-#ifdef __WXGTK__ // what about Motif?
- // wxGTK updates the thumb automatically (wxMSW doesn't); reset it back
- if ((type != wxEVT_SCROLLWIN_THUMBTRACK) || !scrolling)
+#if defined(__WXGTK__) || defined(__WXMOTIF__)
+ // wxGTK and wxMotif update the thumb automatically (wxMSW doesn't);
+ // so reset it back as we always want it to be in the same position.
+ if (type != wxEVT_SCROLLWIN_THUMBTRACK)
{
SetScrollbar(wxHORIZONTAL, m_viewportW, m_viewportW, 3 * m_viewportW);
SetScrollbar(wxVERTICAL, m_viewportH, m_viewportH, 3 * m_viewportH);
{
// do nothing. I just don't want the background to be erased, you know.
}
+
+
projects / wxWidgets.git / blobdiff