NetBSD/dist/cdk/buttonbox.c

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#include <cdk.h>
/*
* $Author: garbled $
* $Date: 2001/01/09 18:41:53 $
* $Revision: 1.3 $
*/
DeclareCDKObjects(my_funcs,Buttonbox);
/*
* This returns a CDK buttonbox widget pointer.
*/
CDKBUTTONBOX *newCDKButtonbox (CDKSCREEN *cdkscreen, int xPos, int yPos, int height, int width, char *title, int rows, int cols, char **buttons, int buttonCount, chtype highlight, boolean Box, boolean shadow)
{
/* Declare local variables. */
CDKBUTTONBOX *buttonbox = newCDKObject(CDKBUTTONBOX, &my_funcs);
int parentWidth = getmaxx(cdkscreen->window);
int parentHeight = getmaxy(cdkscreen->window);
int boxWidth = 0;
int boxHeight = 0;
int maxColWidth = INT_MIN;
int maxWidth = INT_MIN;
int colWidth = 0;
int xpos = xPos;
int ypos = yPos;
int currentButton = 0;
chtype *holder = 0;
char **temp = 0;
int x, y, len, junk;
/* Set some default values for the widget. */
buttonbox->rowAdjust = 0;
buttonbox->colAdjust = 0;
/*
* If the height is a negative value, the height will
* be ROWS-height, otherwise, the height will be the
* given height.
*/
boxHeight = setWidgetDimension (parentHeight, height, rows + 1);
/*
* If the width is a negative value, the width will
* be COLS-width, otherwise, the width will be the
* given width.
*/
boxWidth = setWidgetDimension (parentWidth, width, 0);
/* Translate the char * items to chtype * */
if (title != 0)
{
/* We need to split the title on \n. */
temp = CDKsplitString (title, '\n');
buttonbox->titleLines = CDKcountStrings (temp);
/* We need to determine the widest title line. */
for (x=0; x < buttonbox->titleLines; x++)
{
holder = char2Chtype (temp[x], &len, &junk);
maxWidth = MAXIMUM (maxWidth, len);
freeChtype (holder);
}
boxWidth = MAXIMUM (boxWidth, maxWidth + 2);
/* For each line in the title, convert from char * to chtype * */
for (x=0; x < buttonbox->titleLines; x++)
{
buttonbox->title[x] = char2Chtype (temp[x], &buttonbox->titleLen[x], &buttonbox->titlePos[x]);
buttonbox->titlePos[x] = justifyString (boxWidth - 2, buttonbox->titleLen[x], buttonbox->titlePos[x]);
}
CDKfreeStrings(temp);
}
else
{
/* No title? Set the required variables. */
buttonbox->titleLines = 0;
}
boxHeight += buttonbox->titleLines;
/* Translate the buttons char * to a chtype * */
for (x = 0; x < buttonCount; x++)
{
buttonbox->button[x] = char2Chtype (buttons[x], &buttonbox->buttonLen[x], &junk);
}
/* Set the button positions. */
for (x=0; x < cols; x++)
{
maxColWidth = INT_MIN;
/* Look for the widest item in this column. */
for (y=0; y < rows; y++)
{
if (currentButton < buttonCount)
{
maxColWidth = MAXIMUM (buttonbox->buttonLen[currentButton], maxColWidth);
currentButton++;
}
}
/* Keep the maximum column width for this column. */
buttonbox->columnWidths[x] = maxColWidth;
colWidth += maxColWidth;
}
/*
* Make sure we didn't extend beyond the dimensions of the window.
*/
boxWidth = MINIMUM (boxWidth, parentWidth);
boxHeight = MINIMUM (boxHeight, parentHeight);
/* Now we have to readjust the x and y positions. */
alignxy (cdkscreen->window, &xpos, &ypos, boxWidth, boxHeight);
/* Set up the buttonbox box attributes. */
ScreenOf(buttonbox) = cdkscreen;
buttonbox->parent = cdkscreen->window;
buttonbox->win = newwin (boxHeight + !!shadow, boxWidth + !!shadow, ypos, xpos);
buttonbox->buttonCount = buttonCount;
buttonbox->currentButton = 0;
buttonbox->rows = rows;
buttonbox->cols = (buttonCount < cols ? buttonCount : cols);
buttonbox->boxHeight = boxHeight;
buttonbox->boxWidth = boxWidth;
buttonbox->highlight = highlight;
buttonbox->exitType = vNEVER_ACTIVATED;
ObjOf(buttonbox)->box = Box;
buttonbox->shadow = shadow;
buttonbox->ULChar = ACS_ULCORNER;
buttonbox->URChar = ACS_URCORNER;
buttonbox->LLChar = ACS_LLCORNER;
buttonbox->LRChar = ACS_LRCORNER;
buttonbox->HChar = ACS_HLINE;
buttonbox->VChar = ACS_VLINE;
buttonbox->BoxAttrib = A_NORMAL;
buttonbox->preProcessFunction = 0;
buttonbox->preProcessData = 0;
buttonbox->postProcessFunction = 0;
buttonbox->postProcessData = 0;
/* Set up the row adjustment. */
if (boxHeight - rows - buttonbox->titleLines > 0)
{
buttonbox->rowAdjust = (int)((boxHeight-rows-buttonbox->titleLines) / buttonbox->rows);
}
/* Set the col adjustment. */
if (boxWidth - colWidth > 0)
{
buttonbox->colAdjust = (int)((boxWidth-colWidth) / buttonbox->cols);
}
/* If we couldn't create the window, we should return a null value. */
if (buttonbox->win == 0)
{
/* Couldn't create the window. Clean up used memory. */
for (x=0; x < buttonbox->buttonCount; x++)
{
freeChtype (buttonbox->button[x]);
}
/* Remove the memory used by the buttonbox pointer. */
free (buttonbox);
/* Return a null buttonbox box. */
return (0);
}
keypad (buttonbox->win, TRUE);
leaveok (buttonbox->win, TRUE);
if (buttonbox->titleLines > 0)
{
/* Make the title window. */
buttonbox->titleWin = subwin (buttonbox->win,
buttonbox->titleLines, boxWidth - 2,
ypos + 1, xpos + 1);
}
/* Empty the key bindings. */
cleanCDKObjectBindings (vBUTTONBOX, buttonbox);
/* Register this baby. */
registerCDKObject (cdkscreen, vBUTTONBOX, buttonbox);
/* Return the buttonbox box pointer. */
return (buttonbox);
}
/*
* This activates the widget.
*/
int activateCDKButtonbox (CDKBUTTONBOX *buttonbox, chtype *actions)
{
/* Declare local variables. */
chtype input = 0;
int ret;
/* Draw the buttonbox box. */
drawCDKButtonbox (buttonbox, ObjOf(buttonbox)->box);
/* Check if actions is null. */
if (actions == 0)
{
for (;;)
{
/* Get the input. */
wrefresh (buttonbox->win);
input = wgetch (buttonbox->win);
/* Inject the character into the widget. */
ret = injectCDKButtonbox (buttonbox, input);
if (buttonbox->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 = injectCDKButtonbox (buttonbox, actions[x]);
if (buttonbox->exitType != vEARLY_EXIT)
{
return ret;
}
}
}
/* Set the exit type and exit. */
buttonbox->exitType = vEARLY_EXIT;
return -1;
}
/*
* This injects a single character into the widget.
*/
int injectCDKButtonbox (CDKBUTTONBOX *buttonbox, chtype input)
{
int firstButton = 0;
int lastButton = buttonbox->buttonCount - 1;
int ppReturn = 1;
/* Set the exit type. */
buttonbox->exitType = vEARLY_EXIT;
/* Check if there is a pre-process function to be called. */
if (buttonbox->preProcessFunction != 0)
{
ppReturn = ((PROCESSFN)(buttonbox->preProcessFunction)) (vBUTTONBOX, buttonbox, buttonbox->preProcessData, input);
}
/* Should we continue? */
if (ppReturn != 0)
{
/* Check for a key binding. */
if (checkCDKObjectBind (vBUTTONBOX, buttonbox, input) != 0)
{
return -1;
}
else
{
switch (input)
{
case KEY_LEFT : case CDK_PREV :
if ((buttonbox->currentButton-buttonbox->rows) < firstButton)
{
buttonbox->currentButton = lastButton;
}
else
{
buttonbox->currentButton -= buttonbox->rows;
}
break;
case KEY_RIGHT : case CDK_NEXT : case KEY_TAB : case ' ' :
if ((buttonbox->currentButton + buttonbox->rows) > lastButton)
{
buttonbox->currentButton = firstButton;
}
else
{
buttonbox->currentButton += buttonbox->rows;
}
break;
case KEY_UP :
if ((buttonbox->currentButton-1) < firstButton)
{
buttonbox->currentButton = lastButton;
}
else
{
buttonbox->currentButton--;
}
break;
case KEY_DOWN :
if ((buttonbox->currentButton + 1) > lastButton)
{
buttonbox->currentButton = firstButton;
}
else
{
buttonbox->currentButton++;
}
break;
case KEY_ESC :
buttonbox->exitType = vESCAPE_HIT;
return -1;
case KEY_RETURN : case KEY_ENTER : case KEY_CR :
buttonbox->exitType = vNORMAL;
return buttonbox->currentButton;
case CDK_REFRESH :
eraseCDKScreen (ScreenOf(buttonbox));
refreshCDKScreen (ScreenOf(buttonbox));
break;
default :
Beep();
break;
}
}
/* Should we call a post-process? */
if (buttonbox->postProcessFunction != 0)
{
((PROCESSFN)(buttonbox->postProcessFunction)) (vBUTTONBOX, buttonbox, buttonbox->postProcessData, input);
}
}
/* Redraw the buttons. */
drawCDKButtonboxButtons (buttonbox);
/* Exit the buttonbox box. */
buttonbox->exitType = vEARLY_EXIT;
return -1;
}
/*
* This sets multiple attributes of the widget.
*/
void setCDKButtonbox (CDKBUTTONBOX *buttonbox, chtype highlight, boolean Box)
{
setCDKButtonboxHighlight (buttonbox, highlight);
setCDKButtonboxBox (buttonbox, Box);
}
/*
* This sets the highlight attribute for the buttonboxs.
*/
void setCDKButtonboxHighlight (CDKBUTTONBOX *buttonbox, chtype highlight)
{
buttonbox->highlight = highlight;
}
chtype getCDKButtonboxHighlight (CDKBUTTONBOX *buttonbox)
{
return (chtype)buttonbox->highlight;
}
/*
* This sets the box attribute of the widget.
*/
void setCDKButtonboxBox (CDKBUTTONBOX *buttonbox, boolean Box)
{
ObjOf(buttonbox)->box = Box;
}
boolean getCDKButtonboxBox (CDKBUTTONBOX *buttonbox)
{
return ObjOf(buttonbox)->box;
}
/*
* This sets the background color of the widget.
*/
void setCDKButtonboxBackgroundColor (CDKBUTTONBOX *buttonbox, char *color)
{
chtype *holder = 0;
int junk1, junk2;
/* Make sure the color isn't null. */
if (color == 0)
{
return;
}
/* Convert the value of the environment variable to a chtype. */
holder = char2Chtype (color, &junk1, &junk2);
/* Set the widgets background color. */
wbkgd (buttonbox->win, holder[0]);
/* Clean up. */
freeChtype (holder);
}
/*
* This draws the buttonbox box widget.
*/
void _drawCDKButtonbox (CDKOBJS *object, boolean Box)
{
CDKBUTTONBOX *buttonbox = (CDKBUTTONBOX *)object;
int x = 0;
/* Box the widget if they asked. */
if (Box)
{
attrbox (buttonbox->win,
buttonbox->ULChar, buttonbox->URChar,
buttonbox->LLChar, buttonbox->LRChar,
buttonbox->HChar, buttonbox->VChar,
buttonbox->BoxAttrib,
buttonbox->shadow);
}
if (buttonbox->titleLines > 0)
{
/* Draw in the title if there is one. */
for (x=0; x < buttonbox->titleLines; x++)
{
writeChtype (buttonbox->titleWin,
buttonbox->titlePos[x], x,
buttonbox->title[x],
HORIZONTAL, 0,
buttonbox->titleLen[x]);
}
wnoutrefresh (buttonbox->titleWin);
}
/* Draw in the buttons. */
drawCDKButtonboxButtons (buttonbox);
}
/*
* This draws the buttons on the button box widget.
*/
void drawCDKButtonboxButtons (CDKBUTTONBOX *buttonbox)
{
int row = buttonbox->titleLines + 1;
int col = (int)(buttonbox->colAdjust / 2);
int currentButton = 0;
int x, y;
/* Draw the buttons. */
while (currentButton < buttonbox->buttonCount)
{
for (x=0; x < buttonbox->cols; x++)
{
row = buttonbox->titleLines + 1;
for (y=0; y < buttonbox->rows; y++)
{
if (currentButton == buttonbox->currentButton)
{
writeChtypeAttrib (buttonbox->win,
col, row,
buttonbox->button[currentButton],
buttonbox->highlight,
HORIZONTAL, 0,
buttonbox->buttonLen[currentButton]);
}
else
{
writeChtype (buttonbox->win,
col, row,
buttonbox->button[currentButton],
HORIZONTAL, 0,
buttonbox->buttonLen[currentButton]);
}
row += (1 + buttonbox->rowAdjust);
currentButton++;
}
col += buttonbox->columnWidths[x] + buttonbox->colAdjust + 1;
}
}
/* Refresh the window. */
wnoutrefresh (buttonbox->win);
}
/*
* This erases the buttonbox box from the screen.
*/
void _eraseCDKButtonbox (CDKOBJS *object)
{
CDKBUTTONBOX *buttonbox = (CDKBUTTONBOX *)object;
eraseCursesWindow (buttonbox->win);
}
/*
* This moves the buttonbox box to a new screen location.
*/
void _moveCDKButtonbox (CDKOBJS *object, int xplace, int yplace, boolean relative, boolean refresh_flag)
{
CDKBUTTONBOX *buttonbox = (CDKBUTTONBOX *)object;
/*
* If this is a relative move, then we will adjust where we want
* to move to.
*/
if (relative)
{
xplace += getbegx(buttonbox->win);
yplace += getbegy(buttonbox->win);
}
/* Adjust the window if we need to. */
alignxy (WindowOf(buttonbox), &xplace, &yplace, buttonbox->boxWidth, buttonbox->boxHeight);
/* Move the window to the new location. */
moveCursesWindow(buttonbox->win, xplace, yplace);
/* Redraw the window, if they asked for it. */
if (refresh_flag)
{
drawCDKButtonbox (buttonbox, ObjOf(buttonbox)->box);
}
}
/*
* This destroys the widget and all the memory associated with it.
*/
void destroyCDKButtonbox (CDKBUTTONBOX *buttonbox)
{
int x;
/* Erase the widget. */
eraseCDKButtonbox (buttonbox);
/* Free up some memory. */
for (x=0; x < buttonbox->titleLines; x++)
{
freeChtype (buttonbox->title[x]);
}
for (x=0; x < buttonbox->buttonCount; x++)
{
freeChtype (buttonbox->button[x]);
}
/* Delete the windows. */
deleteCursesWindow (buttonbox->win);
/* Unregister this object. */
unregisterCDKObject (vBUTTONBOX, buttonbox);
/* Finish cleaning up. */
free (buttonbox);
}
/*
* These functions set the drawing characters of the widget.
*/
void setCDKButtonboxULChar (CDKBUTTONBOX *buttonbox, chtype character)
{
buttonbox->ULChar = character;
}
void setCDKButtonboxURChar (CDKBUTTONBOX *buttonbox, chtype character)
{
buttonbox->URChar = character;
}
void setCDKButtonboxLLChar (CDKBUTTONBOX *buttonbox, chtype character)
{
buttonbox->LLChar = character;
}
void setCDKButtonboxLRChar (CDKBUTTONBOX *buttonbox, chtype character)
{
buttonbox->LRChar = character;
}
void setCDKButtonboxVerticalChar (CDKBUTTONBOX *buttonbox, chtype character)
{
buttonbox->VChar = character;
}
void setCDKButtonboxHorizontalChar (CDKBUTTONBOX *buttonbox, chtype character)
{
buttonbox->HChar = character;
}
void setCDKButtonboxBoxAttribute (CDKBUTTONBOX *buttonbox, chtype character)
{
buttonbox->BoxAttrib = character;
}
/*
* These set the pre/post process functions of the buttonbox widget.
*/
void setCDKButtonboxPreProcess (CDKBUTTONBOX *buttonbox, PROCESSFN callback, void *data)
{
buttonbox->preProcessFunction = callback;
buttonbox->preProcessData = data;
}
void setCDKButtonboxPostProcess (CDKBUTTONBOX *buttonbox, PROCESSFN callback, void *data)
{
buttonbox->postProcessFunction = callback;
buttonbox->postProcessData = data;
}
/*
*
*/
void setCDKButtonboxCurrentButton (CDKBUTTONBOX *buttonbox, int button)
{
if ((button >= 0) && (button < buttonbox->buttonCount))
{
buttonbox->currentButton = button;
}
}
int getCDKButtonboxCurrentButton (CDKBUTTONBOX *buttonbox)
{
return buttonbox->currentButton;
}
int getCDKButtonboxButtonCount (CDKBUTTONBOX *buttonbox)
{
return buttonbox->buttonCount;
}