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wxTerminal.cpp
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wxTerminal.cpp
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/* This file implements the logo frame, which is the main frame that
contains the terminal, turtle graphics and the editor.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <iostream>
#ifdef __GNUG__
#pragma implementation "wxTerminal.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 (this file is usually all you
// need because it includes almost all "standard" wxWindows headers
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include <wx/timer.h>
extern std::string pathString;
#include <wx/stdpaths.h>
#include <ctype.h>
extern "C" int readingInstruction;
#include <wx/print.h>
#include "LogoFrame.h"
#include "wxGlobals.h"
#include <wx/clipbrd.h>
#include <wx/html/htmprint.h>
#include <wx/print.h>
#include <wx/printdlg.h>
#include <wx/dcbuffer.h> //buffered_DC
#include "wxTurtleGraphics.h"
#include "TextEditor.h"
#ifndef __WXMSW__
#include "config.h"
#endif
#ifdef __WXMAC__
#include "CoreFoundation/CFBundle.h"
#endif
#include "wxTerminal.h" /* must come after wxTurtleGraphics.h */
#include <wx/fontdlg.h>
// in Visual Studio 6.0, min and max are not defined up this point
#ifndef max
#define max(a,b) (((a) > (b)) ? (a) : (b))
#endif
#ifndef min
#define min(a,b) (((a) < (b)) ? (a) : (b))
#endif
using namespace std;
// ----------------------------------------------------------------------------
// Globals
// ----------------------------------------------------------------------------
// This is for the input for terminal-like behavior
char input_buffer [MAXINBUFF+1];
// How far into the input_buffer we are
int input_index = 0;
// Where the cursor is in the input_buffer
int input_current_pos = 0;
// Input mode in logo
enum LogoInputMode { LogoNormalInputMode, LogoCharInputMode, LogoLineInputMode };
LogoInputMode logo_input_mode;
extern "C" int reading_char_now;
// the terminal DC
wxFont old_font;
wxTextAttr old_style;
// when edit is called in logo
TextEditor * editWindow;
// the turtle graphics we are using
TurtleCanvas * turtleGraphics;
// this contains the previous 3 window
wxBoxSizer *topsizer;
LogoFrame *logoFrame;
LogoEventManager *logoEventManager;
// used to calculate where the cursor should be
int cur_x = 0, cur_y = 0;
int first = 1;
int last_logo_x = 0, last_logo_y = 0;
int last_input_x = 0, last_input_y = 0;
// the menu
wxMenuBar* menuBar;
extern "C" void wxTextScreen();
// This is for stopping logo asynchronously
#ifdef SIG_TAKES_ARG
extern "C" void logo_stop(int);
extern "C" void logo_pause(int);
#else
extern "C" void logo_stop();
extern "C" void logo_pause();
#endif
int logo_stop_flag = 0;
int logo_pause_flag = 0;
// this is a static reference to the main terminal
wxTerminal *wxTerminal::terminal;
// This is a static reference to the working directory
wxString originalWorkingDir;
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
enum
{
Menu_File = 200,
Menu_File_Save,
Menu_File_Save_As,
Menu_File_Load,
Menu_File_Page_Setup,
Menu_File_Print_Text,
Menu_File_Print_Text_Prev,
Menu_File_Print_Turtle,
Menu_File_Print_Turtle_Prev,
Menu_Edit = 300,
Menu_Edit_Copy,
Menu_Edit_Paste,
Menu_Logo = 400,
Menu_Logo_Stop,
Menu_Logo_Pause,
Menu_Font = 500,
Menu_Font_Choose,
Menu_Font_Inc,
Menu_Font_Dec,
Menu_Help = 600,
Menu_Help_Man,
Edit_Menu_File = 700,
Edit_Menu_File_Close_Accept,
Edit_Menu_File_Close_Reject,
Edit_Menu_File_Page_Setup,
Edit_Menu_File_Print_Text,
Edit_Menu_Edit = 800,
Edit_Menu_Edit_Copy,
Edit_Menu_Edit_Paste,
Edit_Menu_Edit_Cut,
Edit_Menu_Edit_Find,
Edit_Menu_Edit_Find_Next
};
// ----------------------------------------------------------------------------
// misc functions
// ----------------------------------------------------------------------------
char *new_c_string_from_wx_string(wxString wxStr) {
char *cStr = (char *)malloc(sizeof(char) * (wxStr.length() + 1));
strncpy(cStr, (const char*)wxStr.mb_str(), wxStr.length());
cStr[wxStr.length()] = '\0';
return cStr;
}
// ----------------------------------------------------------------------------
// LogoApplication class
// ----------------------------------------------------------------------------
bool LogoApplication::OnInit()
{
// capture the original working directory for any later relative file loads
originalWorkingDir = wxGetCwd();
logoFrame = new LogoFrame
(_T("Berkeley Logo"));
logoFrame->Show(TRUE);
SetTopWindow(logoFrame);
#ifndef __WXMAC__
m_mainLoop = new wxEventLoop();
#endif
logoEventManager = new LogoEventManager(this);
return TRUE;
}
extern "C" int start (int, char **);
int LogoApplication::OnRun()
{
wxEventLoop::SetActive(m_mainLoop);
//SetExitOnFrameDelete(true);
wxSetWorkingDirectory(wxStandardPaths::Get().GetDocumentsDir());
// fix the working directory in mac
#ifdef __WXMAC__
char path[1024];
CFBundleRef mainBundle = CFBundleGetMainBundle();
assert( mainBundle );
CFURLRef mainBundleURL = CFBundleCopyBundleURL( mainBundle);
assert( mainBundleURL);
CFStringRef cfStringRef = CFURLCopyFileSystemPath( mainBundleURL, kCFURLPOSIXPathStyle);
assert( cfStringRef);
CFStringGetCString( cfStringRef, path, 1024, kCFStringEncodingASCII);
CFRelease( mainBundleURL);
CFRelease( cfStringRef);
//std::string pathString(path);
pathString = path;
pathString+="/Contents/Resources/";
// chdir(pathString.c_str());
#endif
// capture the command line arguments from wxWidgets for the interpreter
int argc = this->argc;
char **argv = (char **)malloc(sizeof(char *) * argc);
for(int i=0; i<argc; i++) {
argv[i] = new_c_string_from_wx_string(this->argv[i]);
}
// pass control to the interpreter
start(argc, argv);
// cleanup the captured command line arguments
for(int i=0; i<argc; i++) {
free(argv[i]);
}
free(argv);
return 0;
}
int LogoApplication::OnExit() {
return 0;
}
// ----------------------------------------------------------------------------
// LogoEventManager class
// ----------------------------------------------------------------------------
LogoEventManager::LogoEventManager(LogoApplication *logoApp)
{
m_logoApp = logoApp;
}
extern "C" void wx_refresh();
void LogoEventManager::ProcessEvents(int force_yield)
{
static int inside_yield = 0;
static int yield_delay = 500; // carefully tuned fudge factor
static int foo = yield_delay;
foo--;
if( m_logoApp->Pending() ) {
while( m_logoApp->Pending() )
m_logoApp->Dispatch();
}
else {
if(force_yield || foo == 0) {
if(!inside_yield) {
inside_yield++;
m_logoApp->ProcessIdle();
m_logoApp->Yield(TRUE);
inside_yield--;
}
}
}
if(foo == 0) {
wx_refresh();
foo = yield_delay;
}
}
// ----------------------------------------------------------------------------
// LogoFrame class
// ----------------------------------------------------------------------------
BEGIN_EVENT_TABLE (LogoFrame, wxFrame)
EVT_MENU(Menu_File_Save, LogoFrame::OnSave)
EVT_MENU(Menu_File_Save_As, LogoFrame::OnSaveAs)
EVT_MENU(Menu_File_Load, LogoFrame::OnLoad)
EVT_MENU(Menu_File_Page_Setup, TurtleCanvas::OnPageSetup)
EVT_MENU(Menu_File_Print_Text, LogoFrame::OnPrintText)
EVT_MENU(Menu_File_Print_Text_Prev, LogoFrame::OnPrintTextPrev)
EVT_MENU(Menu_File_Print_Turtle, TurtleCanvas::PrintTurtleWindow)
EVT_MENU(Menu_File_Print_Turtle_Prev, TurtleCanvas::TurtlePrintPreview)
EVT_MENU(wxID_EXIT, LogoFrame::OnQuit)
EVT_MENU(Menu_Edit_Copy, LogoFrame::DoCopy)
EVT_MENU(Menu_Edit_Paste, LogoFrame::DoPaste)
EVT_MENU(Menu_Logo_Pause, LogoFrame::DoPause)
EVT_MENU(Menu_Logo_Stop, LogoFrame::DoStop)
EVT_MENU(Menu_Font_Choose, LogoFrame::OnSelectFont)
EVT_MENU(Menu_Font_Inc, LogoFrame::OnIncreaseFont)
EVT_MENU(Menu_Font_Dec, LogoFrame::OnDecreaseFont)
EVT_MENU(Edit_Menu_File_Close_Accept, LogoFrame::OnEditCloseAccept)
EVT_MENU(Edit_Menu_File_Close_Reject, LogoFrame::OnEditCloseReject)
EVT_MENU(Edit_Menu_File_Page_Setup, TurtleCanvas::OnPageSetup)
EVT_MENU(Edit_Menu_File_Print_Text, LogoFrame::OnEditPrint)
EVT_MENU(Edit_Menu_Edit_Copy, LogoFrame::OnEditCopy)
EVT_MENU(Edit_Menu_Edit_Cut, LogoFrame::OnEditCut)
EVT_MENU(Edit_Menu_Edit_Paste, LogoFrame::OnEditPaste)
EVT_MENU(Edit_Menu_Edit_Find, LogoFrame::OnEditFind)
EVT_MENU(Edit_Menu_Edit_Find_Next, LogoFrame::OnEditFindNext)
EVT_CLOSE(LogoFrame::OnCloseWindow)
END_EVENT_TABLE()
#include "ucblogo.xpm"
extern "C" void wxSetTextColor(int fg, int bg);
//this should compute the size based on the chosen font!
LogoFrame::LogoFrame (const wxChar *title,
int xpos, int ypos,
int width, int height)
: wxFrame( (wxFrame *) NULL, -1, title,
wxPoint(xpos, ypos),
wxSize(width, height)) {
// the topsizer allows different resizeable segments in the main frame (i.e. for
// turtle graphics and the terminal displaying simultaneously)
SetMinSize(wxSize(100, 100));
SetIcon(wxIcon(ucblogo));
logoFrame = this;
topsizer = new wxBoxSizer( wxVERTICAL );
wxTerminal::terminal = new wxTerminal (this, -1, wxPoint(-1, -1),
TERM_COLS, TERM_ROWS, _T(""));
turtleGraphics = new TurtleCanvas( this );
wxFont f(FONT_CFG(wx_font_face, wx_font_size));
wxTerminal::terminal->SetFont(f);
AdjustSize();
wxSetTextColor(7+SPECIAL_COLORS, 0+SPECIAL_COLORS);
editWindow = new TextEditor( this, -1, _T(""), wxDefaultPosition,
wxSize(100,60), wxTE_MULTILINE|wxTE_RICH, f);
wxTerminal::terminal->isEditFile=0;
topsizer->Add(
editWindow,
1, // make vertically stretchable
wxEXPAND | // make horizontally stretchable
wxALL, // and make border all around
2 );
topsizer->Add(
turtleGraphics,
4, // make vertically stretchable
wxEXPAND | // make horizontally stretchable
wxALL, // and make border all around
2 );
topsizer->Add(
wxTerminal::terminal,
1, // make vertically stretchable
wxEXPAND | // make horizontally stretchable
wxALL, // and make border all around
2 );
topsizer->Layout();
topsizer->Show(wxTerminal::terminal, 1);
topsizer->Show(turtleGraphics, 0);
topsizer->Show(editWindow, 0);
SetSizer( topsizer );
//SetAutoLayout(true);
//topsizer->Fit(this);
//topsizer->SetSizeHints(this);
wxTerminal::terminal->SetFocus();
SetUpMenu();
}
extern "C" int wx_leave_mainloop;
void LogoFrame::OnCloseWindow(wxCloseEvent& event)
{
logo_stop_flag = 1;
wx_leave_mainloop++;
Destroy();
}
extern "C" int need_save;
void LogoFrame::OnQuit(wxCommandEvent& event)
{
if (need_save) {
wxMessageDialog dialog( NULL, _T("Save workspace before quitting?"),
_T("Quit Logo"), wxYES_DEFAULT|wxYES_NO|wxCANCEL);
switch ( dialog.ShowModal() ) {
case wxID_YES:
LogoFrame::OnSave(event);
/* falls through */
case wxID_NO:
Close(TRUE);
}
} else Close(TRUE);
}
void LogoFrame::SetUpMenu(){
int i;
if(!menuBar)
menuBar = new wxMenuBar( wxMB_DOCKABLE );
else
for(i=menuBar->GetMenuCount()-1;i>=0;i--)
delete menuBar->Remove(i);
wxMenu *fileMenu = new wxMenu;
fileMenu->Append( Menu_File_Load, _T("Load Logo Session \tCtrl-O"));
fileMenu->Append( Menu_File_Save, _T("Save Logo Session \tCtrl-S"));
fileMenu->Append( Menu_File_Save_As, _T("Save As..."));
fileMenu->AppendSeparator();
fileMenu->Append( Menu_File_Page_Setup, _T("Page Setup"));
fileMenu->Append( Menu_File_Print_Text, _T("Print Text Window"));
fileMenu->Append( Menu_File_Print_Text_Prev, _T("Print Preview Text Window"));
fileMenu->Append( Menu_File_Print_Turtle, _T("Print Turtle Graphics"));
fileMenu->Append( Menu_File_Print_Turtle_Prev, _T("Turtle Graphics Print Preview"));
fileMenu->AppendSeparator();
fileMenu->Append(wxID_EXIT, _T("Quit UCBLogo \tCtrl-Q"));
wxMenu *editMenu = new wxMenu;
menuBar->Append(fileMenu, _T("&File"));
menuBar->Append(editMenu, _T("&Edit"));
wxMenu *logoMenu = new wxMenu;
// #ifdef __WXMSW__
// editMenu->Append(Menu_Edit_Copy, _T("Copy \tCtrl-C"));
// editMenu->Append(Menu_Edit_Paste, _T("Paste \tCtrl-V"));
//
// logoMenu->Append(Menu_Logo_Pause, _T("Pause \tCtrl-P"));
// logoMenu->Append(Menu_Logo_Stop, _T("Stop \tCtrl-S"));
// #else
editMenu->Append(Menu_Edit_Copy, _T("Copy \tCtrl-C"));
editMenu->Append(Menu_Edit_Paste, _T("Paste \tCtrl-V"));
logoMenu->Append(Menu_Logo_Pause, _T("Pause \tAlt-P"));
logoMenu->Append(Menu_Logo_Stop, _T("Stop \tAlt-S"));
// #endif
menuBar->Append(logoMenu, _T("&Logo"));
wxMenu *fontMenu = new wxMenu;
fontMenu->Append(Menu_Font_Choose, _T("Select Font..."));
fontMenu->Append(Menu_Font_Inc, _T("Increase Font Size \tCtrl-+"));
fontMenu->Append(Menu_Font_Dec, _T("Decrease Font Size \tCtrl--"));
menuBar->Append(fontMenu, _T("&Font"));
/*wxMenu *helpMenu = new wxMenu;
helpMenu->Append(Menu_Help_Man, _T("Browse Online Manual"));
menuBar->Append(helpMenu, _T("&Help"));*/
SetMenuBar(menuBar);
}
void LogoFrame::DoCopy(wxCommandEvent& WXUNUSED(event)){
wxTerminal::terminal->DoCopy();
}
void LogoFrame::DoPaste(wxCommandEvent& WXUNUSED(event)){
wxTerminal::terminal->DoPaste();
}
extern "C" void new_line(FILE *);
int firstloadsave = 1;
extern "C" void *save_name;
void doSave(char * name);
void doLoad(char * name);
extern "C" void *cons(void*, void*);
extern "C" void lsave(void*);
void LogoFrame::OnSave(wxCommandEvent& event) {
if (save_name != NIL) {
lsave(cons(save_name, NIL));
} else {
OnSaveAs(event);
}
}
void LogoFrame::OnSaveAs(wxCommandEvent& WXUNUSED(event)) {
wxFileDialog dialog(this,
_T("Save Logo Workspace"),
(firstloadsave ?
wxStandardPaths::Get().GetDocumentsDir() :
""),
wxEmptyString,
_T("Logo workspaces(*.lg)|*.lg|All files(*)|*"),
// "*",
wxFD_SAVE|wxFD_OVERWRITE_PROMPT|wxFD_CHANGE_DIR
);
// dialog.SetFilterIndex(1);
if (dialog.ShowModal() == wxID_OK)
{
doSave((char *)dialog.GetPath().char_str(wxConvUTF8));
new_line(stdout);
}
firstloadsave = 0;
}
void LogoFrame::OnLoad(wxCommandEvent& WXUNUSED(event)){
wxFileDialog dialog
(
this,
_T("Load Logo Workspace"),
(firstloadsave ?
wxStandardPaths::Get().GetDocumentsDir() :
""),
wxEmptyString,
_T("Logo workspaces(*.lg)|*.lg|All files(*)|*"),
// "*",
wxFD_OPEN|wxFD_FILE_MUST_EXIST|wxFD_CHANGE_DIR
);
if (dialog.ShowModal() == wxID_OK) {
doLoad((char *)dialog.GetPath().char_str(wxConvUTF8));
new_line(stdout);
}
firstloadsave = 0;
}
void LogoFrame::OnPrintText(wxCommandEvent& WXUNUSED(event)){
wxHtmlEasyPrinting *htmlPrinter=wxTerminal::terminal->htmlPrinter;
if(!htmlPrinter){
htmlPrinter = new wxHtmlEasyPrinting(_T(""), logoFrame);
int fontsizes[] = { 6, 8, 12, 14, 16, 20, 24 };
htmlPrinter->SetFonts(_T("Courier"),_T("Courier"), fontsizes);
}
wxString *textString = wxTerminal::terminal->get_text();
htmlPrinter->PrintText(*textString);
delete textString;
}
void LogoFrame::OnPrintTextPrev(wxCommandEvent& WXUNUSED(event)){
wxHtmlEasyPrinting *htmlPrinter=wxTerminal::terminal->htmlPrinter;
if(!htmlPrinter){
htmlPrinter = new wxHtmlEasyPrinting(_T(""), logoFrame);
int fontsizes[] = { 6, 8, 12, 14, 16, 20, 24 };
htmlPrinter->SetFonts(_T("Courier"),_T("Courier"), fontsizes);
}
wxString *textString = wxTerminal::terminal->get_text();
htmlPrinter->PreviewText(*textString,_T(""));
}
extern "C" void wxSetFont(char *fm, int sz);
void LogoFrame::OnSelectFont(wxCommandEvent& WXUNUSED(event)) {
wxFontData data;
data.SetInitialFont(wxTerminal::terminal->GetFont());
wxFontDialog dialog(this, data);
if ( dialog.ShowModal() == wxID_OK )
{
wxFontData retData = dialog.GetFontData();
wxFont font = retData.GetChosenFont();
wxSetFont((char *)font.GetFaceName().char_str(wxConvUTF8),
font.GetPointSize());
}
}
void LogoFrame::OnIncreaseFont(wxCommandEvent& WXUNUSED(event)){
int expected;
wxFont font = wxTerminal::terminal->GetFont();
expected = font.GetPointSize()+1;
// see that we have the font we are trying to use
// since for some fonts, the next size is +2
while(font.GetPointSize() != expected && expected <= 24){
expected++;
font.SetPointSize(expected);
}
wxSetFont(wx_font_face, expected);
}
void LogoFrame::OnDecreaseFont(wxCommandEvent& WXUNUSED(event)){
int expected;
wxFont font = wxTerminal::terminal->GetFont();
expected = font.GetPointSize()-1;
// see that we have the font we are trying to use
while(font.GetPointSize() != expected && expected >= 6){
expected--;
font.SetPointSize(expected);
}
wxSetFont(wx_font_face, expected);
}
extern "C" void *Unbound;
extern "C" void *IncreaseFont(void *) {
wxCommandEvent dummy;
logoFrame->OnIncreaseFont(dummy);
return Unbound;
}
extern "C" void *DecreaseFont(void *) {
wxCommandEvent dummy;
logoFrame->OnDecreaseFont(dummy);
return Unbound;
}
void LogoFrame::AdjustSize() {
int char_width, char_height;
wxTerminal::terminal->GetCharSize(&char_width, &char_height);
wxSize sz(char_width * TERM_COLS, char_height * TERM_ROWS + 5 );
SetClientSize(sz);
//Layout();
}
void LogoFrame::DoStop(wxCommandEvent& WXUNUSED(event)){
logo_stop_flag = 1;
}
void LogoFrame::DoPause(wxCommandEvent& WXUNUSED(event)){
logo_pause_flag = 1;
}
void LogoFrame::OnEditCloseAccept(wxCommandEvent& WXUNUSED(event)){
editWindow->OnCloseAccept();
}
void LogoFrame::OnEditCloseReject(wxCommandEvent& WXUNUSED(event)){
editWindow->OnCloseReject();
}
void LogoFrame::OnEditPrint(wxCommandEvent& WXUNUSED(event)){
editWindow->DoPrint();
}
void LogoFrame::OnEditCopy(wxCommandEvent& WXUNUSED(event)){
editWindow->DoCopy();
}
void LogoFrame::OnEditCut(wxCommandEvent& WXUNUSED(event)){
editWindow->DoCut();
}
void LogoFrame::OnEditPaste(wxCommandEvent& WXUNUSED(event)){
editWindow->Paste();
}
void LogoFrame::OnEditFind(wxCommandEvent& WXUNUSED(event)){
editWindow->OnFind();
}
void LogoFrame::OnEditFindNext(wxCommandEvent& WXUNUSED(event)){
editWindow->OnFindNext();
}
void LogoFrame::OnEditSave(wxCommandEvent& WXUNUSED(event)){
editWindow->OnSave();
}
void LogoFrame::SetUpEditMenu(){
int i;
for(i=menuBar->GetMenuCount()-1;i>=0;i--)
delete menuBar->Remove(i);
wxMenu *fileMenu = new wxMenu;
fileMenu->Append( Edit_Menu_File_Close_Accept, _T("Close and Accept Changes \tAlt-A"));
fileMenu->Append( Edit_Menu_File_Close_Reject, _T("Close and Revert Changes \tAlt-R"));
fileMenu->AppendSeparator();
fileMenu->Append( Edit_Menu_File_Page_Setup, _T("Page Setup"));
fileMenu->Append( Edit_Menu_File_Print_Text, _T("Print... \tCtrl-P"));
wxMenu *editMenu = new wxMenu;
menuBar->Append(fileMenu, _T("&File"));
menuBar->Append(editMenu, _T("&Edit"));
editMenu->Append(Edit_Menu_Edit_Cut, _T("Cut \tCtrl-X"));
editMenu->Append(Edit_Menu_Edit_Copy, _T("Copy \tCtrl-C"));
editMenu->Append(Edit_Menu_Edit_Paste, _T("Paste \tCtrl-V"));
editMenu->AppendSeparator();
editMenu->Append(Edit_Menu_Edit_Find, _T("Find... \tCtrl-F"));
editMenu->Append(Edit_Menu_Edit_Find_Next, _T("Find Next \tCtrl-G"));
wxMenu *fontMenu = new wxMenu;
fontMenu->Append(Menu_Font_Choose, _T("Select Font..."));
fontMenu->Append(Menu_Font_Inc, _T("Increase Font Size \tCtrl-+"));
fontMenu->Append(Menu_Font_Dec, _T("Decrease Font Size \tCtrl--"));
menuBar->Append(fontMenu, _T("&Font"));
logoFrame->SetMenuBar(menuBar);
}
// ----------------------------------------------------------------------------
// wxTerminal
// ----------------------------------------------------------------------------
BEGIN_DECLARE_EVENT_TYPES()
DECLARE_EVENT_TYPE(wxEVT_MY_CUSTOM_COMMAND, 7777)
END_DECLARE_EVENT_TYPES()
DEFINE_EVENT_TYPE(wxEVT_MY_CUSTOM_COMMAND)
#define EVT_MY_CUSTOM_COMMAND(id, fn) \
DECLARE_EVENT_TABLE_ENTRY( \
wxEVT_MY_CUSTOM_COMMAND, id, -1, \
(wxObjectEventFunction)(wxEventFunction)(wxCommandEventFunction)&fn, \
(wxObject *) NULL \
),
BEGIN_DECLARE_EVENT_TYPES()
DECLARE_EVENT_TYPE(wxEVT_TERM_CUSTOM_COMMAND, 7777)
END_DECLARE_EVENT_TYPES()
DEFINE_EVENT_TYPE(wxEVT_TERM_CUSTOM_COMMAND)
#define wxEVT_TERM_CUSTOM_COMMAND(id, fn) \
DECLARE_EVENT_TABLE_ENTRY( \
wxEVT_TERM_CUSTOM_COMMAND, id, -1, \
(wxObjectEventFunction)(wxEventFunction)(wxCommandEventFunction)&fn, \
(wxObject *) NULL \
),
BEGIN_EVENT_TABLE(wxTerminal, wxWindow)
EVT_ERASE_BACKGROUND(wxTerminal::OnEraseBackground)
EVT_PAINT(wxTerminal::OnPaint)
EVT_CHAR(wxTerminal::OnChar)
EVT_LEFT_DOWN(wxTerminal::OnLeftDown)
EVT_LEFT_UP(wxTerminal::OnLeftUp)
EVT_MOTION(wxTerminal::OnMouseMove)
//EVT_MY_CUSTOM_COMMAND(-1, wxTerminal::Flush)
EVT_SIZE(wxTerminal::OnSize)
EVT_KILL_FOCUS(wxTerminal::LoseFocus)
END_EVENT_TABLE()
wxCommandEvent * haveInputEvent = new wxCommandEvent(wxEVT_MY_CUSTOM_COMMAND);
extern "C" void color_init(void);
wxTerminal::wxTerminal(wxWindow* parent, wxWindowID id,
const wxPoint& pos,
int width, int height,
const wxString& name) :
wxScrolledWindow(parent, id, pos, wxSize(-1, -1), wxWANTS_CHARS|wxVSCROLL, name)
// wxScrolledWindow(parent, id, pos, wxSize(-1, -1), wxWANTS_CHARS, name)
{
//allocating char structures.
term_chars = (wxterm_char_buffer *) malloc(sizeof(wxterm_char_buffer));
memset(term_chars, '\0', sizeof(wxterm_char_buffer));
term_lines = (wxterm_line_buffer *) malloc(sizeof(wxterm_line_buffer));
memset(term_lines, 0, sizeof(wxterm_line_buffer));
term_chars->next = 0;
term_lines->next = 0;
//initializations
curr_line_pos.buf = term_lines;
curr_line_pos.offset = 0;
line_of(curr_line_pos).buf = term_chars;
line_of(curr_line_pos).offset = 0;
curr_char_pos.buf = term_chars;
curr_char_pos.offset = 0;
//curr_char_pos line_length not used!
//initializing history
m_command_history = new wxCommandHistory(HIST_MAX);
m_width = width;
m_height = height;
m_currMode = 0;
y_max = 0;
x_max = m_width - 1;
// start us out not in char mode
logo_input_mode = LogoNormalInputMode;
// For printing the text
htmlPrinter = 0;
// set_mode_flag(DESTRUCTBS);
wxTerminal::terminal = this;
int
i;
m_selecting = FALSE;
m_selx1 = m_sely1 = m_selx2 = m_sely2 = 0;
m_seloldx1 = m_seloldy1= m_seloldx2 = m_seloldy2 = 0;
//m_marking = FALSE;
m_curX = -1;
m_curY = -1;
// m_boldStyle = FONT;
GetColors(m_colors);
color_init();
SetBackgroundStyle(wxBG_STYLE_CUSTOM);
SetBackgroundColour(TurtleCanvas::colors[m_curBG]);
SetMinSize(wxSize(50, 50));
for(i = 0; i < 16; i++)
m_colorPens[i] = wxPen(m_colors[i], 1, wxPENSTYLE_SOLID);
m_printerFN = 0;
m_printerName = 0;
wxClientDC
dc(this);
GetCharSize(&m_charWidth, &m_charHeight);
//dc.GetTextExtent("M", &m_charWidth, &m_charHeight);
// m_charWidth--;
m_inputReady = FALSE;
m_inputLines = 0;
// int x, y;
//GetSize(&x, &y);
// parent->SetSize(-1,-1, m_charWidth * width, m_charHeight * height + 1);
// SetScrollbars(m_charWidth, m_charHeight, 0, 30);
//SetScrollRate(0, m_charHeight);
//SetVirtualSize(m_charWidth * width, 2 * m_charHeight); //1 row (nothing displayed yet)
// ResizeTerminal(width, height);
}
wxTerminal::~wxTerminal()
{
delete m_command_history;
//clean up the buffers
wxTerminal::terminal = 0;
}
void wxTerminal::deferUpdate(int flag) {
if (flag)
set_mode_flag(DEFERUPDATE);
else
clear_mode_flag(DEFERUPDATE);
}
void wxTerminal::set_mode_flag(int flag) {
m_currMode |= flag;
}
void wxTerminal::clear_mode_flag(int flag) {
m_currMode &= ~flag;
}
bool
wxTerminal::SetFont(const wxFont& font)
{
wxWindow::SetFont(font);
m_normalFont = font;
m_underlinedFont = font;
m_underlinedFont.SetUnderlined(TRUE);
m_boldFont = font;
m_boldFont.SetWeight(wxFONTWEIGHT_BOLD);
m_boldUnderlinedFont = m_boldFont;
m_boldUnderlinedFont.SetUnderlined(TRUE);
GetCharSize(&m_charWidth, &m_charHeight);
// wxClientDC
// dc(this);
// dc.GetTextExtent("M", &m_charWidth, &m_charHeight);
// m_charWidth--;
ResizeTerminal(m_width, m_height);
if(!(m_currMode & DEFERUPDATE)) {
Refresh();
}
return TRUE;
}
void
wxTerminal::GetCharSize(int *cw, int *ch) {
wxClientDC
dc(this);
//int dummy;
//dc.GetTextExtent("M", cw, &dummy);
//dc.GetTextExtent("(", &dummy, ch);
int descent, extlead;
dc.GetTextExtent(wxString("M", wxConvUTF8, wxString::npos), cw, ch, &descent, &extlead);
//for the tails of g's and y's, if needed.
#ifdef __WXMSW__
*ch += descent + extlead + 1;
#endif
}
void
wxTerminal::GetColors(wxColour colors[16] /*, wxTerminal::BOLDSTYLE boldStyle*/)
{
colors[0] = wxColour(0, 0, 0); // black
colors[1] = wxColour(255, 0, 0); // red
colors[2] = wxColour(0, 255, 0); // green
colors[3] = wxColour(255, 0, 255); // yellow
colors[4] = wxColour(0, 0, 255); // blue
colors[5] = wxColour(255, 255, 0); // magenta
colors[6] = wxColour(0, 255, 255); // cyan
colors[7] = wxColour(255, 255, 255); // white
colors[8] = wxColour(0, 0, 0); // black
colors[9] = wxColour(255, 0, 0); // red
colors[10] = wxColour(0, 255, 0); // green
colors[11] = wxColour(255, 0, 255); // yellow
colors[12] = wxColour(0, 0, 255); // blue
colors[13] = wxColour(255, 255, 0); // magenta
colors[14] = wxColour(0, 255, 255); // cyan
colors[15] = wxColour(255, 255, 255); // white
}
/*
* ProcessInput()
*
* passes input to logo, one line at a time
* and prints to terminal as well
*
* assumes cursor is set at last logo position already
*/
void wxTerminal::ProcessInput() {
//pass input up to newline.
int i;
for(i = 0; i < input_index; i++) {
if(input_buffer[i] == '\n') break;
}
PassInputToTerminal(i+1,input_buffer); //include '\n'
last_logo_x = cursor_x;
last_logo_y = cursor_y;
PassInputToInterp();
m_inputLines--;
if(!m_inputLines) m_inputReady = FALSE;
}
/*
* Flush()
*
* Handles output from logo
*/
void wxTerminal::Flush (){
set_mode_flag(BOLD);
if(output_index == 0) {
clear_mode_flag(BOLD);
return;
}
bool cursor_moved = FALSE;
if(input_index != 0){
// set the cursor in the proper place
setCursor(last_logo_x, last_logo_y);
// scroll_region(last_logo_y, last_logo_y + 1, -1);
cursor_moved = TRUE;