The R Project SVN R

/*
 *  R : A Computer Langage for Statistical Data Analysis
 *  Copyright (C) 1995, 1996  Robert Gentleman and Ross Ihaka
 *  Copyright (C) 1998--2003  Robert Gentleman, Ross Ihaka and the
 *                            R Development Core Team
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef __AQUA_HSEARCH_
#define __AQUA_HSEARCH_


#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <Defn.h>

#include <R.h>
#include <R_ext/Boolean.h>
#include <R_ext/Rdynload.h>
#include <Rdefines.h>
#include <Rinternals.h>

#include "Print.h"

#ifdef HAVE_AQUA
#define __DEBUGGING__

# include <Carbon/Carbon.h>

#include <limits.h>


#ifndef kDataBrowserListViewAppendColumn
#define kDataBrowserListViewAppendColumn ULONG_MAX
#endif

extern void Raqua_ProcessEvents(void);

static void ConfigureHelpSearchBrowser(ControlRef);
static void CreateHelpSearchBrowser(WindowRef, ControlRef*);
static ControlRef GetDataBrowserFromWindow(WindowRef window);
static void InstallHelpSearchBrowserCallbacks(ControlRef);

static pascal OSStatus hsGetSetItemData(ControlRef browser, 
    DataBrowserItemID itemID, DataBrowserPropertyID property, 
    DataBrowserItemDataRef itemData, Boolean changeValue);
    
static pascal void hsItemNotification(
    ControlRef browser, 
    DataBrowserItemID itemID, 
    DataBrowserItemNotification message);


pascal OSStatus hsEventHandler(EventHandlerCallRef, EventRef, void*);
    
    
Boolean OpenHelpSearchBrowser(void);
void CloseHelpSearchBrowser(void);


WindowRef HelpSearchBrowserWindow = NULL;
ControlRef HelpSearchBrowserControl = NULL;


#define MaxRows  65000
#define MaxCols  65000 
static int NumOfDSets=0;
static DataBrowserItemID *DSetID;
static Boolean *InstallDSet;

extern bool     HelpSearchBrowserFinished;

extern TXNControlTag    RReadOnlyTag[];
extern TXNControlData   RReadOnlyData[];

extern TXNObject    RConsoleInObject;


static SEXP dsets, pkg, desc, wtitle;


#ifndef max
#define max(a, b) (((a)>(b))?(a):(b))
#endif
#ifndef min
#define min(a, b) (((a)<(b))?(a):(b))
#endif



Rect hsBounds = { 400, 400, 600, 800 };

void EmptyHelpSearchBrowser(void);

static const EventTypeSpec  RCloseWinEvent[] = 
{
        { kEventClassWindow, kEventWindowClose }        
};

extern OSStatus DoCloseHandler( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData );




Boolean OpenHelpSearchBrowser(void)
{
    OSStatus err = noErr;
    int i,j,k;
        Rect    bounds;
         EventTypeSpec hsEvents[] = {
        { kEventClassCommand,   kEventCommandProcess }, 
        { kEventClassCommand,   kEventCommandUpdateStatus }, 
        { kEventClassWindow,    kEventWindowGetIdealSize },
        { kEventClassWindow,    kEventWindowBoundsChanged }, 
        { kEventClassWindow,    kEventWindowGetClickActivation }
            };
  
    
     CreateNewWindow(kDocumentWindowClass,  kWindowStandardHandlerAttribute |
            kWindowStandardDocumentAttributes, &hsBounds, &HelpSearchBrowserWindow);

    if(HelpSearchBrowserWindow == NULL)
     return(FALSE);
     
        
     InstallWindowEventHandler(HelpSearchBrowserWindow, 
            NewEventHandlerUPP(hsEventHandler), 
            sizeof(hsEvents)/sizeof(EventTypeSpec), hsEvents, NULL, NULL);
     
     InstallWindowEventHandler( HelpSearchBrowserWindow, NewEventHandlerUPP(DoCloseHandler), 
                                          1,
                                          RCloseWinEvent, (void *)HelpSearchBrowserWindow, NULL);
                    
 
     SetWindowTitleWithCFString(HelpSearchBrowserWindow,
                CFStringCreateWithCString(CFAllocatorGetDefault(), 
                              CHAR(STRING_ELT(wtitle,0)),
                              kCFStringEncodingMacRoman));
     
    
    /* Create the DataBrowser */
     CreateHelpSearchBrowser(HelpSearchBrowserWindow, &HelpSearchBrowserControl);
    /* Configure the DataBrowser */
    
    ConfigureHelpSearchBrowser(HelpSearchBrowserControl);
    err = SetDataBrowserTarget(HelpSearchBrowserControl, 1);
    
    /* Set the keyboard focus */
    SetKeyboardFocus(HelpSearchBrowserWindow, HelpSearchBrowserControl, kControlDataBrowserPart);
    
    /* Store DB as a window property */
    SetWindowProperty(HelpSearchBrowserWindow,'RMAC', 'HSBR',sizeof(HelpSearchBrowserControl), &HelpSearchBrowserControl);

    InstallHelpSearchBrowserCallbacks(HelpSearchBrowserControl);

    
    
    if(HelpSearchBrowserControl == NULL){              
     CloseHelpSearchBrowser();   
     return;
    }
    
    
   NumOfDSets = LENGTH(dsets);  
   DSetID = (DataBrowserItemID*)malloc(NumOfDSets * sizeof(DataBrowserItemID));
   InstallDSet = (Boolean*)malloc(NumOfDSets * sizeof(Boolean));
   for(i=1;i<=NumOfDSets;i++){
    DSetID[i-1] = i;
    InstallDSet[i-1] = false;
   }
  AddDataBrowserItems(HelpSearchBrowserControl, kDataBrowserNoItem, 
                NumOfDSets, DSetID, kDataBrowserItemNoProperty);

  

    ShowWindow(HelpSearchBrowserWindow);

    GetPortBounds(GetWindowPort(HelpSearchBrowserWindow), &bounds);
    SizeControl(HelpSearchBrowserControl, bounds.right - bounds.left, bounds.bottom - bounds.top);


}



void EmptyHelpSearchBrowser(void)
{
  RemoveDataBrowserItems (HelpSearchBrowserControl, kDataBrowserNoItem, 0, 
          NULL, kDataBrowserItemNoProperty);
} 

void CloseHelpSearchBrowser(void)
{
    if(HelpSearchBrowserWindow){
     if( GetWindowBounds(HelpSearchBrowserWindow,kWindowStructureRgn,&hsBounds) != noErr)
      SetRect(&hsBounds, 400, 400, 600, 800);
    }
    else 
     SetRect(&hsBounds, 400, 400, 600, 800);

    DisposeWindow(HelpSearchBrowserWindow);
    HelpSearchBrowserWindow = NULL;
    
    
    HelpSearchBrowserControl = NULL;
    if(DSetID)
     free(DSetID);
   } 

static void CreateHelpSearchBrowser(WindowRef window, ControlRef *browser)
{
    Rect bounds;
    Boolean frameAndFocus = false;
    
    /* Create a DataBrowser */
    GetWindowBounds(window, kWindowContentRgn, &bounds);

    bounds.top = bounds.left = 0;
    bounds.right = bounds.right - bounds.left;
    bounds.bottom = bounds.bottom - bounds.top;
    
    CreateDataBrowserControl(window, 
        &bounds, kDataBrowserListView, browser);

    /* Turn off DB's focus frame */
    SetControlData(
        *browser, kControlNoPart, 
        kControlDataBrowserIncludesFrameAndFocusTag,
        sizeof(frameAndFocus), &frameAndFocus);
}

char *hsNames[] = { "Show help?", "Topic", "Package", "Description"};


static void ConfigureHelpSearchBrowser(ControlRef browser)
{
    Rect insetRect;
    DataBrowserViewStyle viewStyle;
        int i;
        
    GetDataBrowserViewStyle(browser, &viewStyle);
    
    GetDataBrowserScrollBarInset(browser, &insetRect);
    
    insetRect.right = 16 - 1;
    SetDataBrowserScrollBarInset(browser, &insetRect);

    switch (viewStyle)
    {
        case kDataBrowserListView:
        {   DataBrowserListViewColumnDesc columnDesc;
            
                        columnDesc.headerBtnDesc.titleOffset = 0;
            
            columnDesc.headerBtnDesc.version = 
                kDataBrowserListViewLatestHeaderDesc;
                
            columnDesc.headerBtnDesc.btnFontStyle.flags = 
                kControlUseFontMask | kControlUseJustMask;
            
            columnDesc.headerBtnDesc.btnContentInfo.contentType = kControlNoContent;
            
                        columnDesc.headerBtnDesc.minimumWidth = 50;
            columnDesc.headerBtnDesc.maximumWidth = 150;
            
            columnDesc.headerBtnDesc.btnFontStyle.just = teFlushLeft;
            
            columnDesc.headerBtnDesc.btnFontStyle.font = kControlFontViewSystemFont;
            columnDesc.headerBtnDesc.btnFontStyle.style = normal;
        
            columnDesc.propertyDesc.propertyType = kDataBrowserCheckboxType;
                        
                        
                        columnDesc.propertyDesc.propertyID = 10000;
            
                        
                        columnDesc.headerBtnDesc.titleString = CFStringCreateWithCString(
                CFAllocatorGetDefault(),hsNames[0], kCFStringEncodingMacRoman);
                        
                        columnDesc.propertyDesc.propertyFlags = kDataBrowserPropertyIsMutable;
            AddDataBrowserListViewColumn(browser, 
                &columnDesc, kDataBrowserListViewAppendColumn);
        
                        
                        columnDesc.headerBtnDesc.titleOffset = 0;
            
            columnDesc.headerBtnDesc.version = 
                kDataBrowserListViewLatestHeaderDesc;
                
            columnDesc.headerBtnDesc.btnFontStyle.flags = 
                kControlUseFontMask | kControlUseJustMask;
            
            columnDesc.headerBtnDesc.btnContentInfo.contentType = kControlNoContent;
            
                        columnDesc.headerBtnDesc.minimumWidth = 30;
            columnDesc.headerBtnDesc.maximumWidth = 200;
            
            columnDesc.headerBtnDesc.btnFontStyle.just = teFlushLeft;
            
            columnDesc.headerBtnDesc.btnFontStyle.font = kControlFontViewSystemFont;
            columnDesc.headerBtnDesc.btnFontStyle.style = normal;
        
            columnDesc.propertyDesc.propertyType = kDataBrowserTextType;
                        
            columnDesc.propertyDesc.propertyFlags = kDataBrowserPropertyIsMutable |                                         kDataBrowserListViewDefaultColumnFlags;
            for(i=1;i<=3;i++){
                     
            columnDesc.propertyDesc.propertyID = i*1000;
            if(i==3){
                         columnDesc.headerBtnDesc.minimumWidth = 100;
             columnDesc.headerBtnDesc.maximumWidth = 600;
                        }
        
        
                        
                        columnDesc.headerBtnDesc.titleString = CFStringCreateWithCString(
                CFAllocatorGetDefault(),hsNames[i], kCFStringEncodingMacRoman);
                        
                        
            AddDataBrowserListViewColumn(browser, 
                &columnDesc, kDataBrowserListViewAppendColumn);
            
                        
            SetDataBrowserListViewDisclosureColumn(browser, columnDesc.propertyDesc.propertyID, false);
                        }
                        
        }   break;
    }
       }


static ControlRef GetDataBrowserFromWindow(WindowRef window)
{
    ControlRef browser = NULL;
    
    if (window != NULL)
        GetWindowProperty(window, 'RMAC', 
        'HSBR', sizeof(browser), NULL, &browser);
    
    return browser;
}


void InstallHelpSearchBrowserCallbacks(ControlRef browser)
{
    DataBrowserCallbacks myCallbacks;
    

    myCallbacks.version = kDataBrowserLatestCallbacks;
    InitDataBrowserCallbacks(&myCallbacks);
    
    myCallbacks.u.v1.itemDataCallback = 
        NewDataBrowserItemDataUPP(hsGetSetItemData);
    

    myCallbacks.u.v1.itemNotificationCallback = 
        NewDataBrowserItemNotificationUPP(hsItemNotification);
     

    SetDataBrowserCallbacks(browser, &myCallbacks);
}







static pascal OSStatus hsGetSetItemData(ControlRef browser, 
    DataBrowserItemID itemID, DataBrowserPropertyID property, 
    DataBrowserItemDataRef itemData, Boolean changeValue)
{
#pragma unused (browser)
    Str255 pascalString;
    OSStatus err = noErr;
        CFStringRef text,value;
    SEXP tmp;
        int i,col,row;
        char buf[1000];

      if(property>=1000){
          row = itemID;
         }

        if(!changeValue) {
       
         if(property>=1000 & property<10000 & row>0 & row<=NumOfDSets){  
            switch(property)
            {
          
                case 1000:
                    strcpy( buf, CHAR(STRING_ELT(dsets, row-1)) );
                break;
                case 2000:
                    strcpy( buf, CHAR(STRING_ELT(pkg, row-1)) );
                break;
                case 3000:
                    strcpy( buf, CHAR(STRING_ELT(desc, row-1)) );
                break;
                default:
                break;
          }       
          CopyCStringToPascal(buf,pascalString);
          text = CFStringCreateWithPascalString(CFAllocatorGetDefault(), pascalString, kCFStringEncodingMacRoman);
          err = SetDataBrowserItemDataText(itemData, text); 
          CFRelease(text); 
         }
                   
         
        } else {
        
        if(property == 10000){
      InstallDSet[row-1] = !InstallDSet[row-1];
      err = SetDataBrowserItemDataBooleanValue(itemData, InstallDSet[row-1]);
      SetWindowModified(HelpSearchBrowserWindow, true);
        }
        else 
      err = errDataBrowserPropertyNotSupported;
    }
        
    return err;
}
 
 

 
 static pascal void hsItemNotification(
    ControlRef browser, 
    DataBrowserItemID itemID, 
    DataBrowserItemNotification message)
{
    UInt32 i;
    UInt32 numSelectedItems;
    UInt16 j;
        OSStatus err;
        DataBrowserItemID tempid;
         CFMutableStringRef text;
         char buf[1000];
               
    switch (message)
    {
        case kDataBrowserItemSelected:
        {   Handle handle = NewHandle(0);
            GetDataBrowserItems(browser, 
                kDataBrowserNoItem, true, kDataBrowserItemIsSelected, handle);
            numSelectedItems = GetHandleSize(handle)/sizeof(DataBrowserItemID);
                }   
                break;
                
          
    }
}

pascal OSStatus hsEventHandler(
    EventHandlerCallRef a, EventRef inEvent, void*b)
{
    OSStatus result = noErr;

    switch (GetEventClass(inEvent))
    {
        default:
        {   result = eventNotHandledErr;
        }   break;
        

        
        case kEventClassWindow:
        {
            WindowRef window = NULL;
            GetEventParameter(inEvent, 
                kEventParamDirectObject, typeWindowRef, 
                NULL, sizeof(window), NULL, &window);

            switch (GetEventKind(inEvent))
            {
                default:
                {   result = eventNotHandledErr;
                }   break;
                
                
                        case kEventWindowBoundsChanged:
                {   ControlRef browser = GetDataBrowserFromWindow(window);
                    Rect bounds; GetPortBounds(GetWindowPort(window), &bounds);
                    SizeControl(browser, bounds.right - bounds.left, bounds.bottom - bounds.top);
                }   break;
                
                            
                 
            }
        }   break;
    }
       
    return result;
}


SEXP Raqua_helpsearchbrowser(SEXP call, SEXP op, SEXP args, SEXP env)
{
  char *vm;
  SEXP ans; 
  int i;
  checkArity(op, args);

  vm = vmaxget();
  dsets = CAR(args); args = CDR(args);
  pkg = CAR(args); args = CDR(args);
  desc = CAR(args); args = CDR(args);
  wtitle = CAR(args);
  
  

   
  if(!isString(dsets) | !isString(pkg) | !isString(desc) )
    errorcall(call, "invalid arguments");
   
  TXNSetTXNObjectControls(RConsoleInObject, false, 1, RReadOnlyTag, RReadOnlyData);
  HelpSearchBrowserFinished = false;
  OpenHelpSearchBrowser();
  while(!HelpSearchBrowserFinished)
   Raqua_ProcessEvents();

  PROTECT(ans = NEW_LOGICAL(NumOfDSets));
  for(i=1;i<=NumOfDSets;i++)
   LOGICAL(ans)[i-1] = InstallDSet[i-1];
   
  vmaxset(vm);
  
  if(InstallDSet)
     free(InstallDSet);
  UNPROTECT(1);
  return ans;
}





#endif  /* HAVE_AQUA */

#endif /* __AQUA_HSEARCH_ */