#include /* * $Author: Aarian P. Aleahmad $ * $Date: 2016/02/18 14:33:00 $ * $Revision: 1.166 $ */ /* * Declare file local prototypes. */ static void CDKMentryCallBack (CDKMENTRY *mentry, chtype character); DeclareCDKObjects (MENTRY, Mentry, setCdk, String); /* * This creates a pointer to a multiple line entry widget. */ CDKMENTRY *newCDKMentry (CDKSCREEN *cdkscreen, int xplace, int yplace, const char *title, const char *label, chtype fieldAttr, chtype filler, EDisplayType dispType, int fWidth, int fRows, int logicalRows, int min, boolean Box, boolean shadow) { /* *INDENT-EQLS* */ CDKMENTRY *mentry = 0; int parentWidth = getmaxx (cdkscreen->window); int parentHeight = getmaxy (cdkscreen->window); int fieldWidth = fWidth; int fieldRows = fRows; int boxWidth = 0; int boxHeight = 0; int horizontalAdjust, oldWidth; int xpos = xplace; int ypos = yplace; int junk; if ((mentry = newCDKObject (CDKMENTRY, &my_funcs)) == 0) return (0); setCDKMentryBox (mentry, Box); /* * 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); /* * If the fieldRows is a negative value, the fieldRows will * be ROWS-fieldRows, otherwise, the fieldRows will be the * given height. */ fieldRows = setWidgetDimension (parentWidth, fieldRows, 0); boxHeight = fieldRows + 2; /* *INDENT-EQLS* Set some basic values of the mentry field. */ mentry->label = 0; mentry->labelLen = 0; mentry->labelWin = 0; /* We need to translate the char * label to a chtype * */ if (label != 0) { mentry->label = char2Chtype (label, &mentry->labelLen, &junk); } boxWidth = mentry->labelLen + fieldWidth + 2; oldWidth = boxWidth; boxWidth = setCdkTitle (ObjOf (mentry), title, boxWidth); horizontalAdjust = (boxWidth - oldWidth) / 2; boxHeight += TitleLinesOf (mentry); /* * Make sure we didn't extend beyond the parent window. */ boxWidth = (boxWidth > parentWidth ? parentWidth : boxWidth); boxHeight = (boxHeight > parentHeight ? parentHeight : boxHeight); fieldWidth = (fieldWidth > (boxWidth - mentry->labelLen - 2) ? (boxWidth - mentry->labelLen - 2) : fieldWidth); fieldRows = (fieldRows > (boxHeight - TitleLinesOf (mentry) - 2) ? (boxHeight - TitleLinesOf (mentry) - 2) : fieldRows); /* Rejustify the x and y positions if we need to. */ alignxy (cdkscreen->window, &xpos, &ypos, boxWidth, boxHeight); /* Make the label window. */ mentry->win = newwin (boxHeight, boxWidth, ypos, xpos); /* Is the window null??? */ if (mentry->win == 0) { destroyCDKObject (mentry); return (0); } /* Create the label window. */ if (mentry->label != 0) { mentry->labelWin = subwin (mentry->win, fieldRows, mentry->labelLen + 2, ypos + TitleLinesOf (mentry) + 1, xpos + horizontalAdjust + 1); } /* Make the field window. */ mentry->fieldWin = subwin (mentry->win, fieldRows, fieldWidth, ypos + TitleLinesOf (mentry) + 1, xpos + mentry->labelLen + horizontalAdjust + 1); /* Turn on the keypad. */ keypad (mentry->fieldWin, TRUE); keypad (mentry->win, TRUE); /* *INDENT-EQLS* Set up the rest of the structure. */ mentry->parent = cdkscreen->window; mentry->totalWidth = (fieldWidth * logicalRows) + 1; /* Create the info char * pointer. */ mentry->info = typeMallocN (char, mentry->totalWidth + 3); cleanChar (mentry->info, mentry->totalWidth + 3, '\0'); /* *INDENT-EQLS* Set up the rest of the widget information. */ ScreenOf (mentry) = cdkscreen; mentry->shadowWin = 0; mentry->fieldAttr = fieldAttr; mentry->fieldWidth = fieldWidth; mentry->rows = fieldRows; mentry->boxHeight = boxHeight; mentry->boxWidth = boxWidth; mentry->filler = filler; mentry->hidden = filler; ObjOf (mentry)->inputWindow = mentry->win; ObjOf (mentry)->acceptsFocus = TRUE; mentry->currentRow = 0; mentry->currentCol = 0; mentry->topRow = 0; mentry->shadow = shadow; mentry->dispType = dispType; mentry->min = min; mentry->logicalRows = logicalRows; initExitType (mentry); mentry->callbackfn = CDKMentryCallBack; /* Do we need to create a shadow. */ if (shadow) { mentry->shadowWin = newwin (boxHeight, boxWidth, ypos + 1, xpos + 1); } /* Register this baby. */ registerCDKObject (cdkscreen, vMENTRY, mentry); /* Return the pointer to the structure. */ return (mentry); } /* * This actually manages the mentry widget... */ char *activateCDKMentry (CDKMENTRY *mentry, chtype *actions) { chtype input = 0; boolean functionKey; char *ret = 0; /* Draw the mentry widget. */ drawCDKMentry (mentry, ObjOf (mentry)->box); if (actions == 0) { for (;;) { input = (chtype)getchCDKObject (ObjOf (mentry), &functionKey); /* Inject this character into the widget. */ ret = injectCDKMentry (mentry, input); if (mentry->exitType != vEARLY_EXIT) { return ret; } } } else { int length = chlen (actions); int x; /* Inject each character one at a time. */ for (x = 0; x < length; x++) { ret = injectCDKMentry (mentry, actions[x]); if (mentry->exitType != vEARLY_EXIT) { return ret; } } } /* Set the exit type and exit. */ setExitType (mentry, 0); return 0; } static bool setTopRow (CDKMENTRY *widget, int row) { if (widget->topRow != row) { widget->topRow = row; return TRUE; } return FALSE; } static bool setCurPos (CDKMENTRY *widget, int row, int col) { if (widget->currentRow != row || widget->currentCol != col) { widget->currentRow = row; widget->currentCol = col; return TRUE; } return FALSE; } static bool handle_KEY_LEFT (CDKMENTRY *mentry, bool *moved, bool *redraw) { bool result = TRUE; if (mentry->currentCol != 0) { *moved = setCurPos (mentry, mentry->currentRow, mentry->currentCol - 1); } else if (mentry->currentRow == 0) { if (mentry->topRow != 0) { *moved = setCurPos (mentry, mentry->currentRow, mentry->fieldWidth - 1); *redraw = setTopRow (mentry, mentry->topRow - 1); } } else { *moved = setCurPos (mentry, mentry->currentRow - 1, mentry->fieldWidth - 1); } if (!*moved && !*redraw) { Beep (); result = FALSE; } return result; } static int getCursorPos (CDKMENTRY *mentry) { return (((mentry->currentRow + mentry->topRow) * mentry->fieldWidth) + mentry->currentCol); } /* * This injects a character into the widget. */ static int _injectCDKMentry (CDKOBJS *object, chtype input) { CDKMENTRY *widget = (CDKMENTRY *)object; /* *INDENT-EQLS */ int cursorPos = getCursorPos (widget); int ppReturn = 1; int x, fieldCharacters; char holder; char *ret = unknownString; bool complete = FALSE; /* Set the exit type. */ setExitType (widget, 0); /* Refresh the field. */ drawCDKMentryField (widget); /* Check if there is a pre-process function to be called. */ if (PreProcessFuncOf (widget) != 0) { /* Call the pre-process function. */ ppReturn = PreProcessFuncOf (widget) (vMENTRY, widget, PreProcessDataOf (widget), input); } /* Should we continue? */ if (ppReturn != 0) { /* Check for a key binding... */ if (checkCDKObjectBind (vMENTRY, widget, input) != 0) { checkEarlyExit (widget); complete = TRUE; } else { bool moved = FALSE; bool redraw = FALSE; int infoLength = (int)strlen (widget->info); switch (input) { case KEY_HOME: moved = setCurPos (widget, 0, 0); redraw = setTopRow (widget, 0); break; case KEY_END: fieldCharacters = widget->rows * widget->fieldWidth; if (infoLength < fieldCharacters) { redraw = setTopRow (widget, 0); moved = setCurPos (widget, infoLength / widget->fieldWidth, infoLength % widget->fieldWidth); } else { redraw = setTopRow (widget, (infoLength / widget->fieldWidth) - widget->rows + 1); moved = setCurPos (widget, widget->rows - 1, infoLength % widget->fieldWidth); } break; case KEY_LEFT: handle_KEY_LEFT (widget, &moved, &redraw); break; case KEY_RIGHT: if (widget->currentCol < (widget->fieldWidth - 1)) { if ((getCursorPos (widget) + 1) <= infoLength) { moved = setCurPos (widget, widget->currentRow, widget->currentCol + 1); } } else if (widget->currentRow == widget->rows - 1) { if ((widget->topRow + widget->currentRow + 1) <= widget->logicalRows) { moved = setCurPos (widget, widget->currentRow, 0); redraw = setTopRow (widget, widget->topRow + 1); } } else { moved = setCurPos (widget, widget->currentRow + 1, 0); } if (!moved && !redraw) Beep (); break; case KEY_DOWN: if (widget->currentRow != (widget->rows - 1)) { if ((getCursorPos (widget) + widget->fieldWidth + 1) <= infoLength) { moved = setCurPos (widget, widget->currentRow + 1, widget->currentCol); } } else if (widget->topRow < widget->logicalRows - widget->rows) { if (((widget->topRow + widget->currentRow + 1) * widget->fieldWidth) <= infoLength) { redraw = setTopRow (widget, widget->topRow + 1); } } if (!moved && !redraw) Beep (); break; case KEY_UP: if (widget->currentRow != 0) { moved = setCurPos (widget, widget->currentRow - 1, widget->currentCol); } else if (widget->topRow != 0) { redraw = setTopRow (widget, widget->topRow - 1); } if (!moved && !redraw) Beep (); break; case KEY_BACKSPACE: case KEY_DC: if (widget->dispType == vVIEWONLY) { Beep (); } else if (infoLength == 0) { Beep (); } else if (input == KEY_DC || handle_KEY_LEFT (widget, &moved, &redraw)) { cursorPos = getCursorPos (widget); if (widget->info[cursorPos] != '\0') { for (x = cursorPos; x < infoLength; x++) { widget->info[x] = widget->info[x + 1]; } widget->info[--infoLength] = '\0'; drawCDKMentryField (widget); } else { Beep (); } } break; case CDK_TRANSPOSE: if (cursorPos >= infoLength - 1) { Beep (); } else { holder = widget->info[cursorPos]; widget->info[cursorPos] = widget->info[cursorPos + 1]; widget->info[cursorPos + 1] = holder; drawCDKMentryField (widget); } break; case CDK_ERASE: if (infoLength != 0) { cleanCDKMentry (widget); drawCDKMentryField (widget); } break; case CDK_CUT: if (infoLength == 0) { Beep (); } else { freeChar (GPasteBuffer); GPasteBuffer = copyChar (widget->info); cleanCDKMentry (widget); drawCDKMentryField (widget); } break; case CDK_COPY: if (infoLength == 0) { Beep (); } else { freeChar (GPasteBuffer); GPasteBuffer = copyChar (widget->info); } break; case CDK_PASTE: if (GPasteBuffer == 0) { Beep (); } else { setCDKMentryValue (widget, GPasteBuffer); drawCDKMentry (widget, ObjOf (widget)->box); } break; case KEY_TAB: case KEY_ENTER: if (infoLength < widget->min + 1) { Beep (); } else { setExitType (widget, input); ret = (widget->info); complete = TRUE; } break; case KEY_ERROR: setExitType (widget, input); complete = TRUE; break; case KEY_ESC: setExitType (widget, input); complete = TRUE; break; case CDK_REFRESH: eraseCDKScreen (ScreenOf (widget)); refreshCDKScreen (ScreenOf (widget)); break; default: if (widget->dispType == vVIEWONLY || infoLength >= widget->totalWidth) { Beep (); } else { (widget->callbackfn) (widget, input); } break; } if (redraw) { drawCDKMentryField (widget); } else if (moved) { wmove (widget->fieldWin, widget->currentRow, widget->currentCol); wrefresh (widget->fieldWin); } } /* Should we do a post-process? */ if (!complete && (PostProcessFuncOf (widget) != 0)) { PostProcessFuncOf (widget) (vMENTRY, widget, PostProcessDataOf (widget), input); } } if (!complete) { setExitType (widget, 0); } ResultOf (widget).valueString = ret; return (ret != unknownString); } /* * This moves the mentry field to the given location. */ static void _moveCDKMentry (CDKOBJS *object, int xplace, int yplace, boolean relative, boolean refresh_flag) { CDKMENTRY *mentry = (CDKMENTRY *)object; /* *INDENT-EQLS* */ int currentX = getbegx (mentry->win); int currentY = getbegy (mentry->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 (mentry->win) + xplace; ypos = getbegy (mentry->win) + yplace; } /* Adjust the window if we need to. */ alignxy (WindowOf (mentry), &xpos, &ypos, mentry->boxWidth, mentry->boxHeight); /* Get the difference. */ xdiff = currentX - xpos; ydiff = currentY - ypos; /* Move the window to the new location. */ moveCursesWindow (mentry->win, -xdiff, -ydiff); moveCursesWindow (mentry->fieldWin, -xdiff, -ydiff); moveCursesWindow (mentry->labelWin, -xdiff, -ydiff); moveCursesWindow (mentry->shadowWin, -xdiff, -ydiff); /* Touch the windows so they 'move'. */ refreshCDKWindow (WindowOf (mentry)); /* Redraw the window, if they asked for it. */ if (refresh_flag) { drawCDKMentry (mentry, ObjOf (mentry)->box); } } /* * This function redraws the multiple line entry field. */ void drawCDKMentryField (CDKMENTRY *mentry) { /* *INDENT-EQLS* */ int currchar = (mentry->fieldWidth * mentry->topRow); int length = 0; int lastpos = 0; int x, y; /* Check the value of info. */ if (mentry->info == 0) { return; } drawCdkTitle (mentry->win, ObjOf (mentry)); wrefresh (mentry->win); /* The information isn't null, redraw the field. */ length = (int)strlen (mentry->info); lastpos = ((chtype)mentry->info[length] == (chtype)mentry->filler ? length - 1 : length); /* Set background color and attributes of the entry field */ wbkgd(mentry->fieldWin, mentry->fieldAttr); /* Start redrawing the fields. */ for (x = 0; x < mentry->rows; x++) { for (y = 0; y < mentry->fieldWidth; y++) { if (currchar < lastpos) { if (isHiddenDisplayType (mentry->dispType)) { (void)mvwaddch (mentry->fieldWin, x, y, mentry->hidden | mentry->fieldAttr); } else { (void)mvwaddch (mentry->fieldWin, x, y, CharOf (mentry->info[currchar++]) | mentry->fieldAttr); } } else { (void)mvwhline (mentry->fieldWin, x, y, mentry->filler | mentry->fieldAttr, mentry->fieldWidth - y); break; } } } /* Refresh the screen. */ wmove (mentry->fieldWin, mentry->currentRow, mentry->currentCol); wrefresh (mentry->fieldWin); } /* * This is a generic character parser for the mentry field. It is used as a * callback function, so any personal modifications can be made by creating * a new function and calling that one the mentry activation. */ static void CDKMentryCallBack (CDKMENTRY *mentry, chtype character) { /* *INDENT-EQLS* */ int cursorPos = getCursorPos (mentry); int infoLength = (int)strlen (mentry->info); char newchar = (char)filterByDisplayType (mentry->dispType, character); int x; if (newchar == ERR) { Beep (); } else { for (x = infoLength + 1; x > cursorPos; x--) { mentry->info[x] = mentry->info[x - 1]; } mentry->info[cursorPos] = newchar; mentry->currentCol++; drawCDKMentryField (mentry); /* Have we gone out of bounds. */ if (mentry->currentCol >= mentry->fieldWidth) { /* Update the row and col values. */ mentry->currentCol = 0; mentry->currentRow++; /* * If we have gone outside of the visual boundaries, we * need to scroll the window. */ if (mentry->currentRow == mentry->rows) { /* We have to redraw the screen. */ mentry->currentRow--; mentry->topRow++; drawCDKMentryField (mentry); } wmove (mentry->fieldWin, mentry->currentRow, mentry->currentCol); wrefresh (mentry->fieldWin); } } } /* * This function draws the multiple line entry field. */ static void _drawCDKMentry (CDKOBJS *object, boolean Box) { CDKMENTRY *mentry = (CDKMENTRY *)object; /* Box the widget if asked. */ if (Box) { drawObjBox (mentry->win, ObjOf (mentry)); wrefresh (mentry->win); } /* Do we need to draw in the shadow??? */ if (mentry->shadowWin != 0) { drawShadow (mentry->shadowWin); } /* Draw in the label to the widget. */ if (mentry->labelWin != 0) { writeChtype (mentry->labelWin, 0, 0, mentry->label, HORIZONTAL, 0, mentry->labelLen); wrefresh (mentry->labelWin); } /* Draw the mentry field. */ drawCDKMentryField (mentry); } /* * This sets the background attribute of the widget. */ static void _setBKattrMentry (CDKOBJS *object, chtype attrib) { if (object != 0) { CDKMENTRY *widget = (CDKMENTRY *)object; wbkgd (widget->win, attrib); wbkgd (widget->fieldWin, attrib); if (widget->labelWin != 0) { wbkgd (widget->labelWin, attrib); } } } /* * This function erases the multiple line entry field from the screen. */ static void _eraseCDKMentry (CDKOBJS *object) { if (validCDKObject (object)) { CDKMENTRY *mentry = (CDKMENTRY *)object; eraseCursesWindow (mentry->fieldWin); eraseCursesWindow (mentry->labelWin); eraseCursesWindow (mentry->win); eraseCursesWindow (mentry->shadowWin); } } /* * This function destroys a multiple line entry field widget. */ static void _destroyCDKMentry (CDKOBJS *object) { if (object != 0) { CDKMENTRY *mentry = (CDKMENTRY *)object; cleanCdkTitle (object); freeChtype (mentry->label); freeChar (mentry->info); /* Clean up the windows. */ deleteCursesWindow (mentry->fieldWin); deleteCursesWindow (mentry->labelWin); deleteCursesWindow (mentry->shadowWin); deleteCursesWindow (mentry->win); /* Clean the key bindings. */ cleanCDKObjectBindings (vMENTRY, mentry); /* Unregister this object. */ unregisterCDKObject (vMENTRY, mentry); } } /* * This sets multiple attributes of the widget. */ void setCDKMentry (CDKMENTRY *mentry, const char *value, int min, boolean Box) { setCDKMentryValue (mentry, value); setCDKMentryMin (mentry, min); setCDKMentryBox (mentry, Box); } /* * This removes the old information in the entry field and keeps the * new information given. */ void setCDKMentryValue (CDKMENTRY *mentry, const char *newValue) { /* *INDENT-EQLS* */ int fieldCharacters = mentry->rows * mentry->fieldWidth; int len = 0; int copychars = 0; int rowsUsed; /* 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 (mentry->info, mentry->totalWidth, '\0'); return; } /* Determine how many characters we need to copy. */ len = (int)strlen (newValue); copychars = (len < mentry->totalWidth ? len : mentry->totalWidth); /* OK, erase the old value, and copy in the new value. */ cleanChar (mentry->info, mentry->totalWidth, '\0'); strncpy (mentry->info, newValue, (size_t) copychars); /* Set the cursor/row info. */ if (len < fieldCharacters) { mentry->topRow = 0; mentry->currentRow = len / mentry->fieldWidth; mentry->currentCol = len % mentry->fieldWidth; } else { /* *INDENT-EQLS* */ rowsUsed = len / mentry->fieldWidth; mentry->topRow = rowsUsed - mentry->rows + 1; mentry->currentRow = mentry->rows - 1; mentry->currentCol = len % mentry->fieldWidth; } /* Redraw the widget. */ drawCDKMentryField (mentry); } char *getCDKMentryValue (CDKMENTRY *mentry) { return mentry->info; } /* * This sets the filler character to use when drawing the widget. */ void setCDKMentryFillerChar (CDKMENTRY *mentry, chtype filler) { mentry->filler = filler; } chtype getCDKMentryFillerChar (CDKMENTRY *mentry) { return mentry->filler; } /* * This sets the character to use when a hidden character type is used. */ void setCDKMentryHiddenChar (CDKMENTRY *mentry, chtype character) { mentry->hidden = character; } chtype getCDKMentryHiddenChar (CDKMENTRY *mentry) { return mentry->hidden; } /* * This sets the minimum length of the widget. */ void setCDKMentryMin (CDKMENTRY *mentry, int min) { mentry->min = min; } int getCDKMentryMin (CDKMENTRY *mentry) { return mentry->min; } /* * This sets the widgets box attribute. */ void setCDKMentryBox (CDKMENTRY *mentry, boolean Box) { ObjOf (mentry)->box = Box; ObjOf (mentry)->borderSize = Box ? 1 : 0; } boolean getCDKMentryBox (CDKMENTRY *mentry) { return ObjOf (mentry)->box; } /* * This erases the information in the multiple line entry widget. */ void cleanCDKMentry (CDKMENTRY *mentry) { cleanChar (mentry->info, mentry->totalWidth, '\0'); /* *INDENT-EQLS* */ mentry->currentRow = 0; mentry->currentCol = 0; mentry->topRow = 0; } /* * This sets the callback function. */ void setCDKMentryCB (CDKMENTRY *mentry, MENTRYCB callback) { mentry->callbackfn = callback; } static void _focusCDKMentry (CDKOBJS *object) { CDKMENTRY *mentry = (CDKMENTRY *)object; wmove (mentry->fieldWin, 0, mentry->currentCol); wrefresh (mentry->fieldWin); } static void _unfocusCDKMentry (CDKOBJS *object) { CDKMENTRY *mentry = (CDKMENTRY *)object; wrefresh (mentry->fieldWin); } dummyRefreshData (Mentry) dummySaveData (Mentry)