The R Project SVN R-packages

/* RController */

#include <R.h>
#include <Rinternals.h>
#include "Rinit.h"
#include "Rcallbacks.h"
#include "IOStuff.h"
//#include <R_ext/Parse.h>
//#include <Parse.h>
#include <R_ext/eventloop.h>
#import <sys/types.h>

#import <Cocoa/Cocoa.h>
#import "History.h"
#import "ConnectionCache.h"

#define RToolbarIdentifier                       @"R Toolbar Identifier"
#define FontSizeToolbarItemIdentifier            @"Font Size Item Identifier"
#define NewEditWinToolbarItemIdentifier          @"New Edit Window Item Identifier"
#define SaveDocToolbarItemIdentifier             @"Save R ConsoleWindow Item Identifier"
#define SourceRCodeToolbarIdentifier             @"Source/Load R Code Identifier"
#define InterruptToolbarItemIdentifier           @"Interrupt Computation Item Identifier"
#define NewQuartzToolbarItemIdentifier           @"New Quartz Device Item Identifier"
#define LoadFileInEditorToolbarItemIdentifier    @"Load File in Editor Item Identifier"
#define AuthenticationToolbarItemIdentifier      @"Authentication Item Identifier"
#define ShowHistoryToolbarItemIdentifier         @"Show History Item Identifier"
#define QuitRToolbarItemIdentifier               @"Quit R Item Identifier"
#define X11ToolbarItemIdentifier                 @"X11 Item Identifier"
#define SetColorsToolbarItemIdentifier           @"SetColors Item Identifier"

#define backgColorKey @"Background Color"
#define inputColorKey @"Input Color"
#define outputColorKey @"Output Color"
#define stdoutColorKey @"Stdout Color"
#define stderrColorKey @"Stderr Color"
#define promptColorKey @"Prompt Color"
#define alphaValueKey  @"Alpha Value"
#define FontSizeKey    @"Console Font Size"

/* Preference keys */

@interface RController : NSObject <REPLHandler>
{
    IBOutlet NSTextView *RTextView;
    IBOutlet NSProgressIndicator *progressWheel;
    IBOutlet NSTableView *historyView;          /* TableView for the package manager */ 
    IBOutlet NSTextField *WDirView;             /* Mini-TextField for the working directory */
    IBOutlet NSSearchField *helpSearch;         /* help search  field */
    IBOutlet id clearHistory;
    IBOutlet id loadHistory;
    IBOutlet id saveHistory;
    IBOutlet NSDrawer *HistoryDrawer;   
    IBOutlet NSPanel *RColorPanel;
    id  RConsoleWindow;
    NSTimer *timer;
    NSTimer *RLtimer;
    NSTimer *Flushtimer;
    NSTimer *WDirtimer;
    History *hist;
    NSToolbar *toolbar;
    NSToolbarItem *toolbarStopItem;

    IBOutlet id fontSizeStepper;
    IBOutlet id fontSizeField;
    IBOutlet id fontSizeView;

    unsigned committedLength; // any text before this position cannot be edited by the user
    unsigned promptPosition;  // the last prompt is positioned at this position
    unsigned outputPosition;  // any output (stdxx or consWrite) is to be place here, if -1 then the text can be appended

    int stdoutFD;
    int stderrFD;
    int rootFD;
    
    pid_t childPID;

    BOOL runSystemAsRoot;
    BOOL busyRFlag;
    
    float currentSize;
    float currentFontSize;
    float currentConsoleWidth;

    NSColor *inputColor;
    NSColor *outputColor;
    NSColor *promptColor;
    NSColor *backgColor;
    NSColor *stderrColor;
    NSColor *stdoutColor;
    float alphaValue;
    
    id inputColorWell;
    id outputColorWell;
    id promptColorWell;
    id backgColorWell;
    id stderrColorWell;
    id stdoutColorWell;
    
    id defaultColorsButton;
    id alphaStepper;
    
    NSMutableArray *consoleInputQueue;
    NSString *currentConsoleInput;
    
    BOOL forceStdFlush;
    
    char *writeBuffer;
    char *writeBufferPos;
    int  writeBufferLen;    
}

- (void) showWindow;

/* process pending events. if blocking is set to YES then the method waits indefinitely for one event. otherwise only pending events are processed. */
- (void) doProcessEvents: (BOOL) blocking;

- (void) addChildProcess: (pid_t) pid;
- (void) rmChildProcess: (pid_t) pid;

- (void) setRootFlag: (BOOL) flag;
- (BOOL) getRootFlag;
- (void) setRootFD: (int) fd;

- (BOOL) textView:(NSTextView *)textView doCommandBySelector:(SEL)commandSelector;
- (BOOL) textView:(NSTextView *)textView shouldChangeTextInRange:(NSRange)affectedCharRange replacementString:(NSString *)replacementString;

/* write to the console bypassing any cache buffers - for internal use only! */
- (void) writeConsoleDirectly: (NSString*) text withColor: (NSColor*) color;

/* sendInput is an alias for "consoleInput: text interactive: YES" */
- (void) sendInput: (NSString*) text;

/* replace the current console input with the "cmd" string. if "inter" is set to YES, then the input is immediatelly committed, otherwise it is only written to the input area, but not committed. Int tje interactive mode an optimization is made to not display the content before commit, because the lines are displayed as they are processed anyway. */
- (void) consoleInput: (NSString*) cmd interactive: (BOOL) inter;

- (IBAction)otherEventLoops:(id)sender;
- (IBAction)runRELP:(id)sender;
- (IBAction)flushconsole:(id)sender;

-(IBAction) fontSizeBigger:(id)sender;
-(IBAction) fontSizeSmaller:(id)sender;
-(IBAction) changeFontSize:(id)sender;

-(IBAction) getWorkingDir:(id)sender;
-(IBAction) resetWorkingDir:(id)sender;
-(IBAction) setWorkingDir:(id)sender;
-(IBAction) showWorkingDir:(id)sender;
-(IBAction) runX11:(id)sender;
-(IBAction) openColors:(id)sender;
-(IBAction) checkForUpdates:(id)sender;

- (int) numberOfRowsInTableView: (NSTableView *)tableView;
- (id) tableView: (NSTableView *)tableView
        objectValueForTableColumn: (NSTableColumn *)tableColumn
        row: (int)row;

- (IBAction)doClearHistory:(id)sender;
- (IBAction)doLoadHistory:(id)sender;
- (IBAction)doSaveHistory:(id)sender;
- (IBAction)historyDoubleClick:(id)sender;

- (IBAction)newQuartzDevice:(id)sender;
- (IBAction)breakR:(id)sender;
- (IBAction)quitR:(id)sender;
- (IBAction)toggleHistory:(id)sender;
- (IBAction)toggleAuthentication:(id)sender;

- (IBAction)installFromBinary:(id)sender;
- (IBAction)installFromDir:(id)sender;
- (IBAction)installFromSource:(id)sender;

- (IBAction)togglePackageInstaller:(id)sender;

- (IBAction)newDocument:(id)sender;
- (IBAction)openDocument:(id)sender;
    
- (IBAction)loadWorkSpace:(id)sender;
- (IBAction)loadWorkSpaceFile:(id)sender;
- (IBAction)saveWorkSpace:(id)sender;
- (IBAction)saveWorkSpaceFile:(id)sender;
- (IBAction)clearWorkSpace:(id)sender;
- (IBAction)showWorkSpace:(id)sender;

- (IBAction)togglePackageManager:(id)sender;
- (IBAction)toggleDataManager:(id)sender;
- (IBAction)toggleWSBrowser:(id)sender;
- (IBAction)performHelpSearch:(id)sender;

- (IBAction)sourceFile:(id)sender;

- (IBAction)makeConsoleKey:(id)sender;

- (void) shouldClearWS:(NSWindow *)sheet returnCode:(int)returnCode contextInfo:(void *)contextInfo;

- (void) addConnectionLog;

- (void) writeLogsWithBytes: (char*) buf length: (int) len type: (int) outputType;
- (void) openHelpFor: (char*) topic;

- (void)setupToolbar;

- (int) isImageData:(char *)fname;
- (void) loadFile:(char *)fname;

- (void) RConsoleDidResize: (NSNotification *)notification;
- (void) setOptionWidth:(BOOL)force;

- (IBAction) changeInputColor:(id)sender;
- (IBAction) changeOutputColor:(id)sender;
- (IBAction) changePromptColor:(id)sender;
- (IBAction) changeStdoutColor:(id)sender;
- (IBAction) changeStderrColor:(id)sender;
- (IBAction) changeBackGColor:(id)sender;
- (IBAction) changeAlphaColor:(id)sender;
- (IBAction) setDefaultColors:(id)sender;

- (void) setInputColor:(NSColor *)newColor;
- (void) setOutputColor:(NSColor *)newColor;
- (void) setPromptColor:(NSColor *)newColor;
- (void) setBackGColor:(NSColor *)newColor;
- (void) setStderrColor:(NSColor *)newColor;
- (void) setStdoutColor:(NSColor *)newColor;
- (void) setAlphaValue:(float)f;

- (void) readDefaults;

+ (RController*) getRController;

- (void) flushROutput;
- (void) flushTimerHook: (NSTimer*) source; // hook for flush timer

- (void) handleWriteConsole: (NSString *)txt;
- (void) handleWritePrompt: (NSString *)prompt;
- (void) handleProcessEvents;
- (void) handleFlushConsole;
- (void) handleBusy: (BOOL)i;
- (int)  handleChooseFile: (char *)buf len:(int)len isNew:(int)isNew;   

- (NSFont*) currentFont;

@end