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#include <cdk_int.h>
/*
* $Author: tom $
* $Date: 2004/08/31 23:25:19 $
* $Revision: 1.203 $
*/
/*
* Declare file local prototypes.
*/
static void CDKEntryCallBack (CDKENTRY *entry, chtype character);
static void drawCDKEntryField (CDKENTRY *entry);
DeclareCDKObjects(ENTRY, Entry, setCdk, String);
/*
* This creates a pointer to an entry widget.
*/
CDKENTRY *newCDKEntry (CDKSCREEN *cdkscreen, int xplace, int yplace, char *title, char *label, chtype fieldAttr, chtype filler, EDisplayType dispType, int fWidth, int min, int max, boolean Box, boolean shadow)
{
CDKENTRY *entry = 0;
int parentWidth = getmaxx(cdkscreen->window);
int parentHeight = getmaxy(cdkscreen->window);
int fieldWidth = fWidth;
int boxWidth = 0;
int boxHeight;
int xpos = xplace;
int ypos = yplace;
int junk = 0;
int horizontalAdjust, oldWidth;
if ((entry = newCDKObject(CDKENTRY, &my_funcs)) == 0)
return (0);
setCDKEntryBox (entry, Box);
boxHeight = (BorderOf(entry) * 2) + 1;
/*
* If the fieldWidth is a negative value, the fieldWidth will
* be COLS-fieldWidth, otherwise, the fieldWidth will be the
* given width.
*/
fieldWidth = setWidgetDimension (parentWidth, fieldWidth, 0);
boxWidth = fieldWidth + 2 * BorderOf(entry);
/* Set some basic values of the entry field. */
entry->label = 0;
entry->labelLen = 0;
entry->labelWin = 0;
/* Translate the label char *pointer to a chtype pointer. */
if (label != 0)
{
entry->label = char2Chtype (label, &entry->labelLen, &junk);
boxWidth += entry->labelLen;
}
oldWidth = boxWidth;
boxWidth = setCdkTitle(ObjOf(entry), title, boxWidth);
horizontalAdjust = (boxWidth - oldWidth) / 2;
boxHeight += TitleLinesOf(entry);
/*
* Make sure we didn't extend beyond the dimensions of the window.
*/
boxWidth = (boxWidth > parentWidth ? parentWidth : boxWidth);
boxHeight = (boxHeight > parentHeight ? parentHeight : boxHeight);
fieldWidth = MINIMUM(fieldWidth, boxWidth - entry->labelLen - 2 * BorderOf(entry));
/* Rejustify the x and y positions if we need to. */
alignxy (cdkscreen->window, &xpos, &ypos, boxWidth, boxHeight);
/* Make the label window. */
entry->win = subwin (cdkscreen->window, boxHeight, boxWidth, ypos, xpos);
/* Is the window null? */
if (entry->win == 0)
{
destroyCDKObject (entry);
return (0);
}
keypad (entry->win, TRUE);
/* Make the field window. */
entry->fieldWin = subwin (entry->win, 1, fieldWidth,
ypos + TitleLinesOf(entry) + BorderOf(entry),
xpos + entry->labelLen + horizontalAdjust + BorderOf(entry));
keypad (entry->fieldWin, TRUE);
/* Make the label win, if we need to. */
if (label != 0)
{
entry->labelWin = subwin (entry->win, 1, entry->labelLen,
ypos + TitleLinesOf(entry) + BorderOf(entry),
xpos + horizontalAdjust + BorderOf(entry));
}
/* Make room for the info char * pointer. */
entry->info = typeMallocN(char, max + 3);
cleanChar (entry->info, max + 3, '\0');
entry->infoWidth = max + 3;
/* Set up the rest of the structure. */
ScreenOf(entry) = cdkscreen;
entry->parent = cdkscreen->window;
entry->shadowWin = 0;
entry->fieldAttr = fieldAttr;
entry->fieldWidth = fieldWidth;
entry->filler = filler;
entry->hidden = filler;
ObjOf(entry)->inputWindow = entry->fieldWin;
ObjOf(entry)->acceptsFocus = TRUE;
ReturnOf(entry) = NULL;
entry->shadow = shadow;
entry->screenCol = 0;
entry->leftChar = 0;
entry->min = min;
entry->max = max;
entry->boxWidth = boxWidth;
entry->boxHeight = boxHeight;
initExitType(entry);
entry->dispType = dispType;
entry->callbackfn = CDKEntryCallBack;
/* Do we want a shadow? */
if (shadow)
{
entry->shadowWin = subwin (cdkscreen->window, boxHeight, boxWidth, ypos+1, xpos+1);
}
/* Clean the key bindings. */
cleanCDKObjectBindings (vENTRY, entry);
/* Register this baby. */
registerCDKObject (cdkscreen, vENTRY, entry);
/* Return the pointer to the structure. */
return (entry);
}
/*
* This means you want to use the given entry field. It takes input
* from the keyboard, and when its done, it fills the entry info
* element of the structure with what was typed.
*/
char *activateCDKEntry (CDKENTRY *entry, chtype *actions)
{
chtype input = 0;
char *ret = 0;
/* Draw the widget. */
drawCDKEntry (entry, ObjOf(entry)->box);
/* Check if 'actions' is null. */
if (actions == 0)
{
for (;;)
{
/* Get the input. */
input = getcCDKObject (ObjOf(entry));
/* Inject the character into the widget. */
ret = injectCDKEntry (entry, input);
if (entry->exitType != vEARLY_EXIT)
{
return ret;
}
}
}
else
{
int length = chlen (actions);
int x =0;
/* Inject each character one at a time. */
for (x=0; x < length; x++)
{
ret = injectCDKEntry (entry, actions[x]);
if (entry->exitType != vEARLY_EXIT)
{
return ret;
}
}
}
/* Make sure we return the correct info. */
if (entry->exitType == vNORMAL)
{
return entry->info;
}
else
{
return 0;
}
}
/*
* This injects a single character into the widget.
*/
static int _injectCDKEntry (CDKOBJS *object, chtype input)
{
CDKENTRY *entry = (CDKENTRY *)object;
int ppReturn = 1;
int temp, x, charCount, stringLen;
char holder;
char *ret = unknownString;
bool complete = FALSE;
/* Set the exit type. */
setExitType(entry, 0);
/* Refresh the entry field. */
drawCDKEntryField (entry);
/* Check if there is a pre-process function to be called. */
if (PreProcessFuncOf(entry) != 0)
{
/* Call the pre-process function. */
ppReturn = PreProcessFuncOf(entry) (vENTRY, entry, PreProcessDataOf(entry), input);
}
/* Should we continue? */
if (ppReturn != 0)
{
/* Check a predefined binding... */
if (checkCDKObjectBind (vENTRY, entry, input) != 0)
{
checkEarlyExit(entry);
complete = TRUE;
}
else
{
switch (input)
{
case KEY_UP : case KEY_DOWN :
Beep();
break;
case KEY_HOME :
entry->leftChar = 0;
entry->screenCol = 0;
drawCDKEntryField (entry);
break;
case CDK_TRANSPOSE :
stringLen = (int)strlen (entry->info);
temp = entry->leftChar + entry->screenCol;
if (temp >= stringLen-1)
{
Beep();
}
else
{
holder = entry->info[temp];
entry->info[temp] = entry->info[temp + 1];
entry->info[temp + 1] = holder;
drawCDKEntryField (entry);
}
break;
case KEY_END :
stringLen = (int)strlen (entry->info);
if (stringLen >= entry->fieldWidth)
{
charCount = (int)(entry->fieldWidth * .8);
entry->leftChar = stringLen - charCount;
entry->screenCol = charCount;
}
else
{
entry->leftChar = 0;
entry->screenCol = stringLen;
}
drawCDKEntryField (entry);
break;
case KEY_LEFT :
if (entry->screenCol == 0)
{
if (entry->leftChar == 0)
{
Beep();
}
else
{
/* Scroll left. */
entry->leftChar--;
drawCDKEntryField (entry);
}
}
else
{
wmove (entry->fieldWin, 0, --entry->screenCol);
wrefresh (entry->fieldWin);
}
break;
case KEY_RIGHT :
if (entry->screenCol == entry->fieldWidth-1)
{
temp = (int)strlen (entry->info);
if ((entry->leftChar + entry->screenCol + 1) == temp)
{
Beep();
}
else
{
/* Scroll to the right. */
entry->leftChar++;
drawCDKEntryField (entry);
}
}
else
{
/* Move right. */
temp = (int)strlen (entry->info);
if ((entry->leftChar + entry->screenCol) == temp)
{
Beep();
}
else
{
wmove (entry->fieldWin, 0, ++entry->screenCol);
}
wrefresh (entry->fieldWin);
}
break;
case KEY_BACKSPACE : case KEY_DC :
if (entry->dispType == vVIEWONLY)
{
Beep();
}
else
{
/* Get the length of the widget information. */
int infoLength = (int)strlen (entry->info);
if ((entry->leftChar + entry->screenCol) < infoLength)
{
/* We are deleting from inside the string. */
int currPos = entry->screenCol + entry->leftChar;
for (x=currPos; x < infoLength; x++)
{
entry->info[x] = entry->info[x + 1];
}
entry->info[infoLength] = '\0';
/* Update the widget. */
drawCDKEntryField (entry);
}
else
{
/* We are deleting from the end of the string. */
if (infoLength > 0)
{
/* Update the character pointer. */
entry->info[infoLength-1] = '\0';
infoLength--;
/* Adjust the cursor. */
if (entry->screenCol > 0)
{
entry->screenCol--;
}
/*
* If we deleted the last character on the
* screen and the information has scrolled,
* adjust the entry field to show the info.
*/
if (entry->leftChar > 0 && entry->screenCol == 1)
{
if (infoLength < entry->fieldWidth-1)
{
entry->leftChar = 0;
entry->screenCol = infoLength;
}
else
{
entry->leftChar -= (entry->fieldWidth-3);
entry->screenCol = entry->fieldWidth-2;
}
}
/* Update the widget. */
drawCDKEntryField (entry);
}
else
{
Beep();
}
}
}
break;
case KEY_ESC :
setExitType(entry, input);
complete = TRUE;
break;
case CDK_ERASE :
if ((int)strlen(entry->info) != 0)
{
cleanCDKEntry (entry);
drawCDKEntryField (entry);
}
break;
case CDK_CUT:
if ((int)strlen(entry->info) != 0)
{
freeChar (GPasteBuffer);
GPasteBuffer = copyChar (entry->info);
cleanCDKEntry (entry);
drawCDKEntryField (entry);
}
else
{
Beep();
}
break;
case CDK_COPY:
if ((int)strlen(entry->info) != 0)
{
freeChar (GPasteBuffer);
GPasteBuffer = copyChar (entry->info);
}
else
{
Beep();
}
break;
case CDK_PASTE:
if (GPasteBuffer != 0)
{
setCDKEntryValue (entry, GPasteBuffer);
drawCDKEntryField (entry);
}
else
{
Beep();
}
break;
case KEY_TAB : case KEY_ENTER :
if ((int)strlen (entry->info) >= entry->min)
{
setExitType(entry, input);
ret = (entry->info);
complete = TRUE;
}
else
{
Beep();
}
break;
case CDK_REFRESH :
eraseCDKScreen (ScreenOf(entry));
refreshCDKScreen (ScreenOf(entry));
break;
default :
(entry->callbackfn)(entry, input);
break;
}
}
/* Should we do a post-process? */
if (!complete && (PostProcessFuncOf(entry) != 0))
{
PostProcessFuncOf(entry) (vENTRY, entry, PostProcessDataOf(entry), input);
}
}
if (!complete) {
setExitType(entry, 0);
}
ResultOf(entry).valueString = ret;
return (ret != unknownString);
}
/*
* This moves the entry field to the given location.
*/
static void _moveCDKEntry (CDKOBJS *object, int xplace, int yplace, boolean relative, boolean refresh_flag)
{
CDKENTRY *entry = (CDKENTRY *)object;
int currentX = getbegx(entry->win);
int currentY = getbegy(entry->win);
int xpos = xplace;
int ypos = yplace;
int xdiff = 0;
int ydiff = 0;
/*
* If this is a relative move, then we will adjust where we want
* to move to.
*/
if (relative)
{
xpos = getbegx(entry->win) + xplace;
ypos = getbegy(entry->win) + yplace;
}
/* Adjust the window if we need to. */
alignxy (WindowOf(entry), &xpos, &ypos, entry->boxWidth, entry->boxHeight);
/* Get the difference. */
xdiff = currentX - xpos;
ydiff = currentY - ypos;
/* Move the window to the new location. */
moveCursesWindow(entry->win, -xdiff, -ydiff);
moveCursesWindow(entry->fieldWin, -xdiff, -ydiff);
moveCursesWindow(entry->labelWin, -xdiff, -ydiff);
moveCursesWindow(entry->shadowWin, -xdiff, -ydiff);
/* Touch the windows so they 'move'. */
refreshCDKWindow (WindowOf(entry));
/* Redraw the window, if they asked for it. */
if (refresh_flag)
{
touchwin (entry->win);
touchwin (entry->labelWin);
touchwin (entry->fieldWin);
drawCDKEntry (entry, ObjOf(entry)->box);
}
}
/*
* This is a generic character parser for the entry field. It is used as a
* callback function, so any personal modifications can be made by creating
* a new function and calling the activation with its name.
*/
static void CDKEntryCallBack (CDKENTRY *entry, chtype character)
{
int plainchar = CharOf(character);
unsigned temp, x;
/* Start checking the input. */
if (!isChar(character))
{
Beep();
}
else if ((entry->dispType == vINT ||
entry->dispType ==vHINT) &&
!isdigit(CharOf(plainchar)))
{
Beep();
}
else if ((entry->dispType == vCHAR ||
entry->dispType == vUCHAR ||
entry->dispType == vLCHAR ||
entry->dispType == vUHCHAR ||
entry->dispType == vLHCHAR) &&
isdigit(CharOf(plainchar)))
{
Beep();
}
else if (entry->dispType == vVIEWONLY)
{
Beep();
}
else if ((int)strlen (entry->info) == entry->max)
{
Beep();
}
else
{
/* We will make any adjustments to the case of the character. */
if ((entry->dispType == vUCHAR ||
entry->dispType == vUHCHAR ||
entry->dispType == vUMIXED ||
entry->dispType == vUHMIXED)
&& !isdigit(CharOf(plainchar)))
{
plainchar = toupper (plainchar);
}
else if ((entry->dispType == vLCHAR ||
entry->dispType == vLHCHAR ||
entry->dispType == vLMIXED ||
entry->dispType == vLHMIXED) &&
!isdigit(CharOf(plainchar)))
{
plainchar = tolower (plainchar);
}
/* Update the screen and pointer. */
if (entry->screenCol != entry->fieldWidth-1)
{
/* Update the character pointer. */
temp = strlen (entry->info);
for (x=temp; (int) x > entry->screenCol + entry->leftChar; x--)
{
entry->info[x] = entry->info[x-1];
}
entry->info[entry->screenCol + entry->leftChar] = plainchar;
entry->screenCol++;
}
else
{
/* Update the character pointer. */
temp = strlen (entry->info);
entry->info[temp] = plainchar;
entry->info[temp + 1] = '\0';
/* Do not update the pointer if it's the last character */
if ((int)(temp + 1) < entry->max)
entry->leftChar++;
}
/* Update the entry field. */
drawCDKEntryField (entry);
}
}
/*
* This erases the information in the entry field
* and redraws a clean and empty entry field.
*/
void cleanCDKEntry (CDKENTRY *entry)
{
int width = entry->fieldWidth;
/* Erase the information in the character pointer. */
cleanChar (entry->info, entry->infoWidth, '\0');
/* Clean the entry screen field. */
mvwhline(entry->fieldWin, 0, 0, entry->filler, width);
/* Reset some variables. */
entry->screenCol = 0;
entry->leftChar = 0;
/* Refresh the entry field. */
wrefresh (entry->fieldWin);
}
/*
* This draws the entry field.
*/
static void _drawCDKEntry (CDKOBJS *object, boolean Box)
{
CDKENTRY *entry = (CDKENTRY *)object;
/* Did we ask for a shadow? */
if (entry->shadowWin != 0)
{
drawShadow (entry->shadowWin);
}
/* Box the widget if asked. */
if (Box)
{
drawObjBox (entry->win, ObjOf(entry));
}
drawCdkTitle (entry->win, object);
/* Refresh the window. */
refreshCDKWindow (entry->win);
/* Draw in the label to the widget. */
if (entry->labelWin != 0)
{
writeChtype (entry->labelWin, 0, 0, entry->label, HORIZONTAL, 0, entry->labelLen);
refreshCDKWindow (entry->labelWin);
}
/* Redraw the entry field. */
drawCDKEntryField (entry);
}
/*
* This redraws the entry field.
*/
static void drawCDKEntryField (CDKENTRY *entry)
{
int infoLength = 0;
int x = 0;
/* Draw in the filler characters.*/
mvwhline(entry->fieldWin, 0, x, entry->filler, entry->fieldWidth);
/* If there is information in the field. Then draw it in. */
if (entry->info != 0)
{
infoLength = (int)strlen (entry->info);
/* Redraw the field. */
if (entry->dispType == vHINT ||
entry->dispType == vHCHAR ||
entry->dispType == vHMIXED ||
entry->dispType == vUHCHAR ||
entry->dispType == vLHCHAR ||
entry->dispType == vUHMIXED ||
entry->dispType == vLHMIXED)
{
for (x=entry->leftChar; x < infoLength; x++)
{
mvwaddch (entry->fieldWin, 0, x - entry->leftChar, entry->hidden);
}
}
else
{
for (x=entry->leftChar; x < infoLength; x++)
{
mvwaddch (entry->fieldWin, 0, x - entry->leftChar, CharOf(entry->info[x]) | entry->fieldAttr);
}
}
wmove (entry->fieldWin, 0, entry->screenCol);
}
/* Refresh the field. */
refreshCDKWindow (entry->fieldWin);
}
/*
* This erases an entry widget from the screen.
*/
static void _eraseCDKEntry (CDKOBJS *object)
{
if (validCDKObject (object))
{
CDKENTRY *entry = (CDKENTRY *)object;
eraseCursesWindow (entry->fieldWin);
eraseCursesWindow (entry->labelWin);
eraseCursesWindow (entry->win);
eraseCursesWindow (entry->shadowWin);
}
}
/*
* This destroys an entry widget.
*/
static void _destroyCDKEntry (CDKOBJS *object)
{
if (object != 0)
{
CDKENTRY *entry = (CDKENTRY *)object;
cleanCdkTitle (object);
freeChtype (entry->label);
freeChar (entry->info);
/* Delete the windows. */
deleteCursesWindow (entry->fieldWin);
deleteCursesWindow (entry->labelWin);
deleteCursesWindow (entry->shadowWin);
deleteCursesWindow (entry->win);
/* Unregister this object. */
unregisterCDKObject (vENTRY, entry);
}
}
/*
* This sets specific attributes of the entry field.
*/
void setCDKEntry (CDKENTRY *entry, char *value, int min, int max, boolean Box GCC_UNUSED)
{
setCDKEntryValue (entry, value);
setCDKEntryMin (entry, min);
setCDKEntryMax (entry, max);
}
/*
* This removes the old information in the entry field and keeps the
* new information given.
*/
void setCDKEntryValue (CDKENTRY *entry, char *newValue)
{
int copychars = 0;
int stringLen = 0;
int charCount = 0;
/* If the pointer sent in is the same pointer as before, do nothing. */
if (entry->info == newValue)
{
return;
}
/* Just to be sure, if lets make sure the new value isn't null. */
if (newValue == 0)
{
/* Then we want to just erase the old value. */
cleanChar (entry->info, entry->infoWidth, '\0');
/* Set the pointers back to zero. */
entry->leftChar = 0;
entry->screenCol = 0;
return;
}
/* Determine how many characters we need to copy. */
copychars = MINIMUM ((int)strlen(newValue), entry->max);
/* OK, erase the old value, and copy in the new value. */
cleanChar (entry->info, entry->max, '\0');
strncpy (entry->info, newValue, (unsigned) copychars);
stringLen = (int)strlen (entry->info);
/* Now determine the values of leftChar and screenCol. */
if (stringLen >= entry->fieldWidth)
{
charCount = (int)(entry->fieldWidth * .8);
entry->leftChar = stringLen - charCount;
entry->screenCol = charCount;
}
else
{
entry->leftChar = 0;
entry->screenCol = stringLen;
}
}
char *getCDKEntryValue (CDKENTRY *entry)
{
return entry->info;
}
/*
* This sets the maximum length of the string that will be accepted.
*/
void setCDKEntryMax (CDKENTRY *entry, int max)
{
entry->max = max;
}
int getCDKEntryMax (CDKENTRY *entry)
{
return entry->max;
}
/*
* This sets the minimum length of the string that will
* be accepted.
*/
void setCDKEntryMin (CDKENTRY *entry, int min)
{
entry->min = min;
}
int getCDKEntryMin (CDKENTRY *entry)
{
return entry->min;
}
/*
* This sets the filler character to be used in the entry field.
*/
void setCDKEntryFillerChar (CDKENTRY *entry, chtype fillerCharacter)
{
entry->filler = fillerCharacter;
}
chtype getCDKEntryFillerChar (CDKENTRY *entry)
{
return entry->filler;
}
/*
* This sets the character to use when a hidden type is used.
*/
void setCDKEntryHiddenChar (CDKENTRY *entry, chtype hiddenCharacter)
{
entry->hidden = hiddenCharacter;
}
chtype getCDKEntryHiddenChar (CDKENTRY *entry)
{
return entry->hidden;
}
/*
* This sets the widgets box attribute.
*/
void setCDKEntryBox (CDKENTRY *entry, boolean Box)
{
ObjOf(entry)->box = Box;
ObjOf(entry)->borderSize = Box ? 1 : 0;
}
boolean getCDKEntryBox (CDKENTRY *entry)
{
return ObjOf(entry)->box;
}
/*
* This sets the background attribute of the widget.
*/
static void _setBKattrEntry (CDKOBJS *object, chtype attrib)
{
if (object != 0)
{
CDKENTRY *widget = (CDKENTRY *)object;
wbkgd (widget->win, attrib);
wbkgd (widget->fieldWin, attrib);
if (widget->labelWin != 0)
{
wbkgd (widget->labelWin, attrib);
}
}
}
/*
* This sets the attribute of the entry field.
*/
void setCDKEntryHighlight (CDKENTRY *entry, chtype highlight, boolean cursor)
{
wbkgd (entry->fieldWin, highlight);
entry->fieldAttr = highlight;
curs_set (cursor);
/*
* FIXME - if (cursor) { move the cursor to this widget }
*/
}
/*
* This sets the entry field callback function.
*/
void setCDKEntryCB (CDKENTRY *entry, ENTRYCB callback)
{
entry->callbackfn = callback;
}
static void _focusCDKEntry(CDKOBJS *object)
{
CDKENTRY *entry = (CDKENTRY *)object;
wmove (entry->fieldWin, 0, entry->screenCol);
wrefresh (entry->fieldWin);
}
static void _unfocusCDKEntry(CDKOBJS *object)
{
CDKENTRY *entry = (CDKENTRY *)object;
drawCDKEntry (entry, ObjOf(entry)->box);
wrefresh (entry->fieldWin);
}
#if 0
static void _refreshDataCDKEntry(CDKOBJS *object)
{
CDKENTRY *entry = (CDKENTRY *)object;
if (ReturnOf(entry))
{
switch (DataTypeOf(entry))
{
default:
case DataTypeString:
strcpy(entry->info, (char *)ReturnOf(entry));
break;
case DataTypeInt:
sprintf(entry->info, "%d", *((int*)ReturnOf(entry)));
break;
case DataTypeFloat:
sprintf(entry->info, "%g", *((float*)ReturnOf(entry)));
break;
case DataTypeDouble:
sprintf(entry->info, "%g", *((double*)ReturnOf(entry)));
break;
}
entry->screenCol = strlen(entry->info);
drawCDKEntryField(entry);
}
}
static void _saveDataCDKEntry(CDKOBJS *object)
{
CDKENTRY *entry = (CDKENTRY *)object;
if (ReturnOf(entry))
{
switch (DataTypeOf(entry))
{
default:
case DataTypeString:
strcpy((char *)ReturnOf(entry), entry->info);
break;
case DataTypeInt:
*((int*)ReturnOf(entry)) = atoi(entry->info);
break;
case DataTypeFloat:
*((float*)ReturnOf(entry)) = atof(entry->info);
break;
case DataTypeDouble:
*((double*)ReturnOf(entry)) = atof(entry->info);
break;
}
}
}
#else
dummyRefreshData(Entry)
dummySaveData(Entry)
#endif
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