X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e0a4029251c1d80d50f9cb0bd152d1fca7914bc4..e1366cdb2a2c3fdbce35d6ef3207d01c288c8bfa:/demos/life/life.cpp diff --git a/demos/life/life.cpp b/demos/life/life.cpp index b65451f8b5..2419db242f 100644 --- a/demos/life/life.cpp +++ b/demos/life/life.cpp @@ -1,6 +1,6 @@ ///////////////////////////////////////////////////////////////////////////// // 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, // Modified by: // Created: Jan/2000 @@ -17,46 +17,81 @@ #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 +#if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__) || defined(__WXX11__) + // 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 // -------------------------------------------------------------------------- // constants // -------------------------------------------------------------------------- -// IDs for the controls and the menu commands +// IDs for the controls and the menu commands. Exluding those already defined +// by wxWidgets, such as wxID_NEW. enum { - // menu items and toolbar buttons - ID_RESET = 1001, + // timer + ID_TIMER = wxID_HIGHEST, + + // file menu 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 @@ -64,31 +99,47 @@ enum }; // -------------------------------------------------------------------------- -// event tables and other macros for wxWindows +// event tables and other macros for wxWidgets // -------------------------------------------------------------------------- // Event tables BEGIN_EVENT_TABLE(LifeFrame, wxFrame) + EVT_MENU (wxID_NEW, LifeFrame::OnMenu) + EVT_MENU (wxID_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 (wxID_ABOUT, LifeFrame::OnMenu) + EVT_MENU (wxID_EXIT, 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() @@ -102,10 +153,9 @@ IMPLEMENT_APP(LifeApp) // ========================================================================== // some shortcuts -#define ADD_TOOL(id, bmp, tooltip, help) \ - toolBar->AddTool(id, bmp, wxNullBitmap, FALSE, -1, -1, (wxObject *)0, tooltip, help) +#define ADD_TOOL(id, bmp, tooltip, help) \ + toolBar->AddTool(id, bmp, wxNullBitmap, false, wxDefaultPosition.x, wxDefaultPosition.y, (wxObject *)NULL, tooltip, help) -#define GET_FRAME() ((LifeFrame *) wxGetApp().GetTopWindow()) // -------------------------------------------------------------------------- // LifeApp @@ -118,11 +168,16 @@ bool LifeApp::OnInit() LifeFrame *frame = new LifeFrame(); // show it and tell the application that it's our main window - frame->Show(TRUE); + frame->Show(true); SetTopWindow(frame); + // just for Motif +#ifdef __WXMOTIF__ + frame->UpdateInfoText(); +#endif + // enter the main message loop and run the app - return TRUE; + return true; } // -------------------------------------------------------------------------- @@ -130,93 +185,147 @@ bool LifeApp::OnInit() // -------------------------------------------------------------------------- // frame constructor -LifeFrame::LifeFrame() : wxFrame((wxFrame *)0, -1, _("Life!"), wxPoint(50, 50)) +LifeFrame::LifeFrame() : wxFrame( (wxFrame *) NULL, wxID_ANY, + _("Life!"), wxPoint(200, 200) ) { // frame icon SetIcon(wxICON(mondrian)); // menu bar - wxMenu *menuFile = 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")); + wxMenu *menuFile = new wxMenu(wxMENU_TEAROFF); + wxMenu *menuView = new wxMenu(wxMENU_TEAROFF); + wxMenu *menuGame = new wxMenu(wxMENU_TEAROFF); + wxMenu *menuHelp = new wxMenu(wxMENU_TEAROFF); + + menuFile->Append(wxID_NEW, _("&New"), _("Start a new game")); + menuFile->Append(wxID_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")); + menuFile->Append(wxID_EXIT, _("E&xit\tAlt-X"), _("Quit this program")); + + menuView->Append(ID_SHOWNAV, _("Navigation &toolbox"), _("Show or hide toolbox"), wxITEM_CHECK); + 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_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_TOPSPEED, _("Top speed!"), _("Go as fast as possible")); + menuGame->Enable(ID_STOP, false); 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")); + + menuHelp->Append(wxID_ABOUT, _("&About\tCtrl-A"), _("Show about dialog")); wxMenuBar *menuBar = new wxMenuBar(); menuBar->Append(menuFile, _("&File")); + menuBar->Append(menuView, _("&View")); menuBar->Append(menuGame, _("&Game")); + menuBar->Append(menuHelp, _("&Help")); 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(wxID_NEW, tbBitmaps[0], _("New"), _("Start a new game")); + ADD_TOOL(wxID_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() ! + toolBar->EnableTool(ID_STOP, false); // must be after Realize() ! // status bar 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, wxID_ANY); + wxPanel *panel2 = new wxPanel(this, wxID_ANY); + + // canvas + m_canvas = new LifeCanvas(panel1, m_life); + + // info panel + m_text = new wxStaticText(panel2, wxID_ANY, + wxEmptyString, + wxDefaultPosition, + wxDefaultSize, + wxALIGN_CENTER | wxST_NO_AUTORESIZE); + + wxSlider *slider = new wxSlider(panel2, ID_SLIDER, 5, 1, 10, wxDefaultPosition, - wxSize(200, -1), + wxSize(200, wxDefaultSize.y), 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, wxID_ANY), 0, wxGROW ); + sizer1->Add( m_canvas, 1, wxGROW | wxALL, 2 ); + sizer1->Add( new wxStaticLine(panel1, wxID_ANY), 0, wxGROW ); + panel1->SetSizer( sizer1 ); + sizer1->Fit( panel1 ); + + sizer2->Add( m_text, 0, wxGROW | wxTOP, 4 ); + sizer2->Add( slider, 0, wxCENTRE | wxALL, 4 ); + + panel2->SetSizer( sizer2 ); + sizer2->Fit( panel2 ); + + sizer3->Add( panel1, 1, wxGROW ); + sizer3->Add( panel2, 0, wxGROW ); + SetSizer( sizer3 ); + sizer3->Fit( this ); + + // set minimum frame size + sizer3->SetSizeHints( this ); + + // navigator frame + m_navigator = new LifeNavigator(this); } LifeFrame::~LifeFrame() @@ -228,7 +337,7 @@ void LifeFrame::UpdateInfoText() { 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()); @@ -240,81 +349,115 @@ void LifeFrame::UpdateInfoText() // 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()->Enable(ID_START, !m_running); + GetMenuBar()->Enable(ID_STEP, !m_running); + GetMenuBar()->Enable(ID_STOP, m_running); + GetMenuBar()->Enable(ID_TOPSPEED, !m_topspeed); + + // zooming + int cellsize = m_canvas->GetCellSize(); + GetToolBar()->EnableTool(ID_ZOOMIN, cellsize < 32); + GetToolBar()->EnableTool(ID_ZOOMOUT, cellsize > 1); + GetMenuBar()->Enable(ID_ZOOMIN, cellsize < 32); + GetMenuBar()->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 wxID_NEW: { - int cellsize = m_canvas->GetCellSize(); - if (cellsize < 32) - m_canvas->SetCellSize(cellsize * 2); + // stop if it was running + OnStop(); + m_life->Clear(); + m_canvas->Recenter(0, 0); + m_tics = 0; + UpdateInfoText(); break; } - case ID_ZOOMOUT : + case wxID_ABOUT: { - int cellsize = m_canvas->GetCellSize(); - if (cellsize > 1) - m_canvas->SetCellSize(cellsize / 2); + LifeAboutDialog dialog(this); + dialog.ShowModal(); break; } - case ID_TOPSPEED: + case wxID_EXIT: { - m_running = TRUE; - m_topspeed = TRUE; - UpdateUI(); - while (m_running && m_topspeed) - { - OnTimer(); - wxYield(); - } + // true is to force the frame to close + Close(true); break; } - case ID_RESET: + case ID_SHOWNAV: { - // stop if it was running - OnStop(); - m_life->Clear(); - m_canvas->Recenter(0, 0); - m_tics = 0; - UpdateInfoText(); + bool checked = GetMenuBar()->GetMenu(1)->IsChecked(ID_SHOWNAV); + m_navigator->Show(checked); break; } - case ID_ABOUT: + case ID_INFO: { - LifeAboutDialog dialog(this); - dialog.ShowModal(); + 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_EXIT : + case ID_START : OnStart(); break; + case ID_STEP : OnStep(); break; + case ID_STOP : OnStop(); break; + case ID_TOPSPEED: { - // TRUE is to force the frame to close - Close(TRUE); + m_running = true; + m_topspeed = true; + UpdateUI(); + while (m_running && m_topspeed) + { + OnStep(); + wxYield(); + } break; } } } -void LifeFrame::OnClose(wxCloseEvent& WXUNUSED(event)) +void LifeFrame::OnOpen(wxCommandEvent& 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(); + wxFileDialog filedlg(this, + _("Choose a file to open"), + wxEmptyString, + wxEmptyString, + _("Life patterns (*.lif)|*.lif|All files (*.*)|*.*"), + wxOPEN | wxFILE_MUST_EXIST); + + if (filedlg.ShowModal() == wxID_OK) + { + wxFileInputStream stream(filedlg.GetPath()); + LifeReader reader(stream); + + // the reader handles errors itself, no need to do anything here + if (reader.IsOk()) + { + // 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(); + } + } } void LifeFrame::OnSamples(wxCommandEvent& WXUNUSED(event)) @@ -325,14 +468,13 @@ void LifeFrame::OnSamples(wxCommandEvent& WXUNUSED(event)) // 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); @@ -341,12 +483,76 @@ void LifeFrame::OnSamples(wxCommandEvent& WXUNUSED(event)) } } +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) +{ + LifeCell 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; + default : + wxFAIL; + // Fall through! + 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) { m_timer->Start(m_interval); - m_running = TRUE; + m_running = true; UpdateUI(); } } @@ -356,13 +562,13 @@ void LifeFrame::OnStop() if (m_running) { m_timer->Stop(); - m_running = FALSE; - m_topspeed = FALSE; + m_running = false; + m_topspeed = false; UpdateUI(); } } -void LifeFrame::OnTimer() +void LifeFrame::OnStep() { if (m_life->NextTic()) m_tics++; @@ -373,27 +579,92 @@ void LifeFrame::OnTimer() 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, wxID_ANY, + _("Navigation"), + wxDefaultPosition, + wxDefaultSize, + wxCAPTION | wxSIMPLE_BORDER) { - GET_FRAME()->OnTimer(); -}; + wxPanel *panel = new wxPanel(this, wxID_ANY); + 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__) && !defined(__WXMAC__) + 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 panel and miniframe size + panel->SetSizer(sizer1); + + sizer1->Fit(panel); + SetClientSize(panel->GetSize()); + wxSize sz = GetSize(); + SetSizeHints(sz.x, sz.y, sz.x, sz.y); + + // 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 @@ -401,8 +672,8 @@ void LifeTimer::Notify() // canvas constructor LifeCanvas::LifeCanvas(wxWindow *parent, Life *life, bool interactive) - : wxWindow(parent, -1, wxPoint(0, 0), wxSize(100, 100), - wxSUNKEN_BORDER) + : wxWindow(parent, wxID_ANY, wxDefaultPosition, wxSize(100, 100), + wxSUNKEN_BORDER|wxFULL_REPAINT_ON_RESIZE) { m_life = life; m_interactive = interactive; @@ -417,12 +688,12 @@ LifeCanvas::LifeCanvas(wxWindow *parent, Life *life, bool interactive) SetCursor(*wxCROSS_CURSOR); // reduce flicker if wxEVT_ERASE_BACKGROUND is not available - SetBackgroundColour(*wxWHITE); + SetBackgroundColour(*wxWHITE); } LifeCanvas::~LifeCanvas() { - delete m_life; + delete m_life; } // recenter at the given position @@ -432,7 +703,7 @@ void LifeCanvas::Recenter(wxInt32 i, wxInt32 j) m_viewportY = j - m_viewportH / 2; // redraw everything - Refresh(FALSE); + Refresh(false); } // set the cell size and refresh display @@ -445,11 +716,11 @@ void LifeCanvas::SetCellSize(int cellsize) 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; - + // recenter m_viewportX = cx - m_viewportW / 2; m_viewportY = cy - m_viewportH / 2; @@ -462,8 +733,8 @@ void LifeCanvas::SetCellSize(int cellsize) m_thumbX = m_viewportW; m_thumbY = m_viewportH; } - - Refresh(FALSE); + + Refresh(false); } // draw a cell @@ -504,29 +775,27 @@ void LifeCanvas::DrawChanged() wxClientDC dc(this); size_t ncells; - Cell *cells; - bool done = FALSE; + LifeCell *cells; + bool done = false; m_life->BeginFind(m_viewportX, m_viewportY, m_viewportX + m_viewportW, m_viewportY + m_viewportH, - TRUE); - + 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) { @@ -539,7 +808,7 @@ void LifeCanvas::DrawChanged() } // event handlers -void LifeCanvas::OnPaint(wxPaintEvent& event) +void LifeCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) { wxPaintDC dc(this); wxRect rect = GetUpdateRegion().GetBox(); @@ -558,11 +827,10 @@ void LifeCanvas::OnPaint(wxPaintEvent& event) j1 = YToCell(y + h - 1); size_t ncells; - Cell *cells; - bool done = FALSE; + LifeCell *cells; - m_life->BeginFind(i0, j0, i1, j1, FALSE); - done = m_life->FindMore(&cells, &ncells); + m_life->BeginFind(i0, j0, i1, j1, false); + bool done = m_life->FindMore(&cells, &ncells); // erase all damaged cells and draw the grid dc.BeginDrawing(); @@ -619,30 +887,103 @@ void LifeCanvas::OnMouse(wxMouseEvent& event) // 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 + + // was it pressed just now? + if (event.LeftDown()) { - bool alive = m_life->IsAlive(i, j); + // yes: start a new action and toggle this cell + m_status = (m_life->IsAlive(i, j)? MOUSE_ERASING : MOUSE_DRAWING); - // if just pressed, update status - if (m_status == MOUSE_NOACTION) - m_status = (alive? 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) + { + // iterate over i + d = aj - (ai >> 1); - // toggle cell and refresh if needed - if (((m_status == MOUSE_ERASING) && alive) || - ((m_status == MOUSE_DRAWING) && !alive)) + 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 { - m_life->SetCell(i, j, !alive); - DrawCell(i, j, !alive); - GET_FRAME()->UpdateInfoText(); + // 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) @@ -679,61 +1020,69 @@ 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) + int scrollinc = 0; + if (type == wxEVT_SCROLLWIN_TOP) { - 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; + } + else + if (type == wxEVT_SCROLLWIN_BOTTOM) + { + if (orient == wxHORIZONTAL) + scrollinc = m_viewportW; + else + scrollinc = m_viewportH; + } + else + if (type == wxEVT_SCROLLWIN_LINEUP) + { + scrollinc = -1; + } + else + if (type == wxEVT_SCROLLWIN_LINEDOWN) + { + scrollinc = +1; + } + else + if (type == wxEVT_SCROLLWIN_PAGEUP) + { + scrollinc = -10; + } + else + if (type == wxEVT_SCROLLWIN_PAGEDOWN) + { + scrollinc = +10; + } + else + if (type == wxEVT_SCROLLWIN_THUMBTRACK) + { + if (orient == wxHORIZONTAL) { - if (orient == wxHORIZONTAL) - scrollinc = m_viewportW; - else - scrollinc = m_viewportH; - break; + scrollinc = pos - m_thumbX; + m_thumbX = pos; } - 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: + else { - 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; + scrollinc = pos - m_thumbY; + m_thumbY = pos; } } + else + if (type == 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); @@ -741,7 +1090,7 @@ void LifeCanvas::OnScroll(wxScrollWinEvent& event) #endif if (scrollinc == 0) return; - + // scroll the window and adjust the viewport if (orient == wxHORIZONTAL) { @@ -750,7 +1099,7 @@ void LifeCanvas::OnScroll(wxScrollWinEvent& event) } else { - m_viewportY += scrollinc; + m_viewportY += scrollinc; ScrollWindow( 0, -m_cellsize * scrollinc, (const wxRect *) NULL); } } @@ -759,3 +1108,5 @@ void LifeCanvas::OnEraseBackground(wxEraseEvent& WXUNUSED(event)) { // do nothing. I just don't want the background to be erased, you know. } + +