#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__)
+#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"
// constants
// --------------------------------------------------------------------------
-// IDs for the controls and the menu commands
+// IDs for the controls and the menu commands. Exluding those already defined
+// by wxWindows, such as wxID_NEW.
enum
{
// timer
- ID_TIMER = 1001,
+ ID_TIMER = wxID_HIGHEST,
- // menu items and toolbar buttons
- ID_RESET,
+ // file menu
ID_SAMPLES,
- ID_ABOUT,
- ID_EXIT,
- ID_START,
- ID_STEP,
- ID_STOP,
- ID_ZOOMIN,
- ID_ZOOMOUT,
- ID_TOPSPEED,
- // speed selection slider
- ID_SLIDER,
-
- // navigation
+ // view menu
ID_SHOWNAV,
ID_ORIGIN,
ID_CENTER,
ID_SOUTH,
ID_EAST,
ID_WEST,
+ ID_ZOOMIN,
+ ID_ZOOMOUT,
+ ID_INFO,
+
+ // game menu
+ ID_START,
+ ID_STEP,
+ ID_STOP,
+ ID_TOPSPEED,
+
+ // speed selection slider
+ ID_SLIDER
};
// --------------------------------------------------------------------------
// 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_START, LifeFrame::OnMenu)
- EVT_MENU (ID_STEP, LifeFrame::OnMenu)
- EVT_MENU (ID_STOP, LifeFrame::OnMenu)
- EVT_MENU (ID_TOPSPEED, 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_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_TOPSPEED, LifeFrame::OnMenu)
EVT_COMMAND_SCROLL (ID_SLIDER, LifeFrame::OnSlider)
EVT_TIMER (ID_TIMER, LifeFrame::OnTimer)
EVT_CLOSE ( LifeFrame::OnClose)
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) \
- 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, -1, -1, (wxObject *)0, tooltip, help)
// --------------------------------------------------------------------------
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;
}
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
// frame constructor
-LifeFrame::LifeFrame() : wxFrame((wxFrame *)0, -1, _("Life!"), wxPoint(200, 200))
+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 *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->AppendSeparator();
- menuFile->Append(ID_ABOUT, _("&About...\tCtrl-A"), _("Show about dialog"));
+ 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_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"), TRUE);
- menuView->Check (ID_SHOWNAV, TRUE);
+ 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->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"));
- menuView->Append(ID_ZOOMOUT, _("Zoom &out\tCtrl-O"));
+ 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->Enable(ID_STOP, false);
menuGame->AppendSeparator();
- menuGame->Append(ID_TOPSPEED, _("Top speed!"), _("Go as fast as possible"));
+ 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);
// game and timer
m_life = new Life();
m_timer = new wxTimer(this, ID_TIMER);
- m_running = FALSE;
- m_topspeed = FALSE;
+ m_running = false;
+ m_topspeed = false;
m_interval = 500;
m_tics = 0;
// 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);
+ 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, -1,
+ m_text = new wxStaticText(panel2, wxID_ANY,
wxEmptyString,
wxDefaultPosition,
wxDefaultSize,
wxBoxSizer *sizer2 = new wxBoxSizer(wxVERTICAL);
wxBoxSizer *sizer3 = new wxBoxSizer(wxVERTICAL);
- sizer1->Add( new wxStaticLine(panel1, -1), 0, wxGROW );
+ sizer1->Add( new wxStaticLine(panel1, wxID_ANY), 0, wxGROW );
sizer1->Add( m_canvas, 1, wxGROW | wxALL, 2 );
- sizer1->Add( new wxStaticLine(panel1, -1), 0, wxGROW );
+ sizer1->Add( new wxStaticLine(panel1, wxID_ANY), 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
// start / stop
GetToolBar()->EnableTool(ID_START, !m_running);
GetToolBar()->EnableTool(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);
+ 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()->GetMenu(1)->Enable(ID_ZOOMIN, cellsize < 32);
- GetMenuBar()->GetMenu(1)->Enable(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_START : OnStart(); break;
- case ID_STEP : OnStep(); break;
- case ID_STOP : OnStop(); break;
- case ID_SHOWNAV :
+ case wxID_NEW:
+ {
+ // stop if it was running
+ OnStop();
+ m_life->Clear();
+ m_canvas->Recenter(0, 0);
+ m_tics = 0;
+ UpdateInfoText();
+ break;
+ }
+ case wxID_ABOUT:
+ {
+ LifeAboutDialog dialog(this);
+ dialog.ShowModal();
+ break;
+ }
+ case wxID_EXIT:
+ {
+ // true is to force the frame to close
+ Close(true);
+ break;
+ }
+ case ID_SHOWNAV:
{
bool checked = GetMenuBar()->GetMenu(1)->IsChecked(ID_SHOWNAV);
m_navigator->Show(checked);
break;
}
+ case ID_INFO:
+ {
+ 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;
- m_topspeed = TRUE;
+ m_running = true;
+ m_topspeed = true;
UpdateUI();
- while (m_running && m_topspeed)
+ while (m_running && m_topspeed)
{
OnStep();
wxYield();
}
break;
}
- case ID_RESET:
+ }
+}
+
+void LifeFrame::OnOpen(wxCommandEvent& WXUNUSED(event))
+{
+ 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 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
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::OnNavigate(wxCommandEvent& event)
{
- Cell c;
+ LifeCell c;
switch (event.GetId())
{
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;
}
OnStop();
OnStart();
}
-
+
UpdateInfoText();
}
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();
}
}
if (m_running)
{
m_timer->Stop();
- m_running = FALSE;
- m_topspeed = FALSE;
+ m_running = false;
+ m_topspeed = false;
UpdateUI();
}
}
// --------------------------------------------------------------------------
LifeNavigator::LifeNavigator(wxWindow *parent)
- : wxMiniFrame(parent, -1,
+ : wxMiniFrame(parent, wxID_ANY,
_("Navigation"),
wxDefaultPosition,
wxDefaultSize,
wxCAPTION | wxSIMPLE_BORDER)
{
- wxPanel *panel = new wxPanel(this, -1);
+ 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),
+ bmpw = wxBITMAP(west),
bmpc = wxBITMAP(center),
- bmpe = wxBITMAP(east),
+ bmpe = wxBITMAP(east),
bmps = wxBITMAP(south);
-#ifdef __WXMSW__
+#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));
+ bmpe.SetMask(new wxMask(bmpe, *wxLIGHT_GREY));
bmps.SetMask(new wxMask(bmps, *wxLIGHT_GREY));
#endif
sizer1->Add( sizer2 );
sizer1->Add( bs, 0, wxCENTRE | wxSOUTH, 4 );
- // set the miniframe size
+ // set the panel and miniframe size
panel->SetSizer(sizer1);
- panel->SetAutoLayout(TRUE);
- sizer1->Fit(this);
- sizer1->SetSizeHints(this);
+
+ 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();
Move(x, y);
// done
- Show(TRUE);
+ Show(true);
}
void LifeNavigator::OnClose(wxCloseEvent& event)
{
+ // avoid if we can
if (event.CanVeto())
event.Veto();
else
// 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;
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
m_viewportY = j - m_viewportH / 2;
// redraw everything
- Refresh(FALSE);
+ Refresh(false);
}
// set the cell size and refresh display
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;
m_thumbX = m_viewportW;
m_thumbY = m_viewportH;
}
-
- Refresh(FALSE);
+
+ Refresh(false);
}
// draw a cell
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();
if (m_cellsize == 1)
}
// event handlers
-void LifeCanvas::OnPaint(wxPaintEvent& event)
+void LifeCanvas::OnPaint(wxPaintEvent& WXUNUSED(event))
{
wxPaintDC dc(this);
wxRect rect = GetUpdateRegion().GetBox();
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();
msg.Printf(_("Cell: (%d, %d)"), i, j);
((LifeFrame *) wxGetApp().GetTopWindow())->SetStatusText(msg, 1);
- // button pressed?
+ // 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.
+
+ // is the button down?
if (!event.LeftIsDown())
{
m_status = MOUSE_NOACTION;
return;
}
- // button just pressed?
- if (m_status == MOUSE_NOACTION)
+ // was it pressed just now?
+ if (event.LeftDown())
{
- // yes, update status and toggle this cell
+ // 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);
}
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
ii = m_mi;
jj = m_mj;
-
+
if (ai > aj)
{
// iterate over i
- d = aj - (ai >> 1);
-
+ d = aj - (ai >> 1);
+
while (ii != i)
{
m_life->SetCell(ii, jj, alive);
if (d >= 0)
{
jj += sj;
- d -= ai;
+ d -= ai;
}
ii += si;
d += aj;
if (d >= 0)
{
ii += si;
- d -= aj;
+ d -= aj;
}
jj += sj;
d += ai;
// calculate scroll increment
int scrollinc = 0;
- switch (type)
+ 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;
- 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 (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 = pos - m_thumbX;
- m_thumbX = pos;
- }
- else
- {
- scrollinc = pos - m_thumbY;
- m_thumbY = pos;
- }
- break;
+ scrollinc = pos - m_thumbX;
+ m_thumbX = pos;
}
- case wxEVT_SCROLLWIN_THUMBRELEASE:
+ else
{
- m_thumbX = m_viewportW;
- m_thumbY = m_viewportH;
+ scrollinc = pos - m_thumbY;
+ m_thumbY = pos;
}
}
+ else
+ if (type == wxEVT_SCROLLWIN_THUMBRELEASE)
+ {
+ m_thumbX = m_viewportW;
+ m_thumbY = m_viewportH;
+ }
-#if defined(__WXGTK__) || defined(__WXMOTIF__) // what about Motif?
- // wxGTK updates the thumb automatically (wxMSW doesn't); reset it back
+#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);
#endif
if (scrollinc == 0) return;
-
+
// scroll the window and adjust the viewport
if (orient == wxHORIZONTAL)
{
}
else
{
- m_viewportY += scrollinc;
+ m_viewportY += scrollinc;
ScrollWindow( 0, -m_cellsize * scrollinc, (const wxRect *) NULL);
}
}
projects / wxWidgets.git / blobdiff