NetBSD/dist/cdk/draw.c

595 lines
14 KiB
C

#include <cdk.h>
/*
* $Author: garbled $
* $Date: 2001/01/04 20:15:30 $
* $Revision: 1.2 $
*/
/*
* This sets up a basic set of color pairs. These can be redefined
* if wanted...
*/
void initCDKColor (void)
{
#ifdef HAVE_START_COLOR
/* Declare local variables. */
int color[] = {
COLOR_WHITE, COLOR_RED, COLOR_GREEN,
COLOR_YELLOW, COLOR_BLUE, COLOR_MAGENTA,
COLOR_CYAN, COLOR_BLACK
};
int pair = 1;
int x, y;
/* Start color first. */
start_color();
/* Create the color pairs. */
for (x=0; x < 8; x++)
{
for (y=0; y < 8; y++)
{
init_pair (pair++, color[x], color[y]);
}
}
#endif
}
/*
* This prints out a box around a window with attributes
*/
void boxWindow (WINDOW *window, chtype attr)
{
/* Set some variables. */
int tlx = 0;
int tly = 0;
int brx = getmaxx(window) - 1;
int bry = getmaxy(window) - 1;
/* Draw horizontal lines. */
mvwhline (window, tly, tlx, ACS_HLINE | attr, brx-tlx+1);
mvwhline (window, bry, tlx, ACS_HLINE | attr, brx-tlx+1);
/* Draw vertical lines. */
mvwvline (window, tly, tlx, ACS_VLINE | attr, bry-tly+1);
mvwvline (window, tly, brx, ACS_VLINE | attr, bry-tly+1);
/* Draw in the corners. */
mvwaddch (window, tly, tlx, ACS_ULCORNER | attr);
mvwaddch (window, tly, brx, ACS_URCORNER | attr);
mvwaddch (window, bry, tlx, ACS_LLCORNER | attr);
mvwaddch (window, bry, brx, ACS_LRCORNER | attr);
}
/*
* This draws a box with attributes and lets the user define
* each element of the box.
*/
void attrbox (WINDOW *win, chtype tlc, chtype trc, chtype blc, chtype brc, chtype horz, chtype vert, chtype attr, int shadow)
{
/* Set the coordinates. */
int x1 = 0;
int y1 = 0;
int x2 = getmaxx(win) - 1;
int y2 = getmaxy(win) - 1;
int count = 0;
if (shadow)
{
drawShadow(win);
x2--;
y2--;
}
/* Draw horizontal lines. */
if (horz != 0)
{
mvwhline (win, y1, x1, horz | attr, x2-x1+1);
mvwhline (win, y2, x1, horz | attr, x2-x1+1);
count++;
}
/* Draw vertical lines. */
if (vert != 0)
{
mvwvline (win, y1, x1, vert | attr, y2-y1+1);
mvwvline (win, y1, x2, vert | attr, y2-y1+1);
count++;
}
/* Draw in the corners. */
if (tlc != 0)
{
mvwaddch (win, y1, x1, tlc | attr);
count++;
}
if (trc != 0)
{
mvwaddch (win, y1, x2, trc | attr);
count++;
}
if (blc != 0)
{
mvwaddch (win, y2, x1, blc | attr);
count++;
}
if (brc != 0)
{
mvwaddch (win, y2, x2, brc | attr);
count++;
}
}
/*
* This draws a line on the given window. (odd angle lines not working yet)
*/
void drawLine (WINDOW *window, int startx, int starty, int endx, int endy, chtype line)
{
/* De=clare some local vars. */
int xdiff = endx - startx;
int ydiff = endy - starty;
int x = 0;
int y = 0;
/* Determine if we are drawing a horizontal or vertical line. */
if (ydiff == 0)
{
/* Horizontal line. <--------- X --------> */
mvwhline (window, starty, startx, line, xdiff);
}
else if (xdiff == 0)
{
/* Vertical line. */
mvwvline (window, starty, startx, line, ydiff);
}
else
{
/* We need to determine the angle of the line. */
int height = xdiff;
int width = ydiff;
int xratio = (height > width ? 1 : (width / height));
int yratio = (width > height ? (width / height) : 1);
int xadj = 0;
int yadj = 0;
/* Set the vars. */
x = startx;
y = starty;
while (x != endx && y != endy)
{
/* Add the char to the window. */
mvwaddch (window, y, x, line);
/* Make the x and y adjustments. */
if (xadj != xratio)
{
x = (xdiff < 0 ? x-1 : x+1);
xadj++;
}
else
{
xadj = 0;
}
if (yadj != yratio)
{
y = (ydiff < 0 ? y-1 : y+1);
yadj++;
}
else
{
yadj = 0;
}
}
}
}
/*
* This draws a shadow around a window.
*/
void drawShadow (WINDOW *shadowWin)
{
if (shadowWin != 0)
{
int x_hi = getmaxx(shadowWin) - 1;
int y_hi = getmaxy(shadowWin) - 1;
/* Draw the line on the bottom. */
mvwhline (shadowWin, y_hi, 2, ACS_HLINE | A_DIM, x_hi-1);
/* Draw the line on the right. */
mvwvline (shadowWin, 2, x_hi, ACS_VLINE | A_DIM, y_hi-1);
mvwaddch (shadowWin, 1, x_hi, ACS_URCORNER | A_DIM);
mvwaddch (shadowWin, y_hi, 1, ACS_LLCORNER | A_DIM);
mvwaddch (shadowWin, y_hi, x_hi, ACS_LRCORNER | A_DIM);
}
}
/*
* This writes out a char * string with no attributes.
*/
void writeChar (WINDOW *window, int xpos, int ypos, char *string, int align, int start, int end)
{
/* Declare local variables. */
int display = end - start;
int x;
/* Check the alignment of the message. */
if (align == HORIZONTAL)
{
/* Draw the message on a horizontal axis. */
display = MINIMUM (display, getmaxx(window) - xpos);
for (x=0; x < display ; x++)
{
mvwaddch (window, ypos, xpos+x, (string[x+start] & A_CHARTEXT) | A_NORMAL);
}
}
else
{
/* Draw the message on a vertical axis. */
display = MINIMUM (display, getmaxy(window) - ypos);
for (x=0; x < display ; x++)
{
mvwaddch (window, ypos+x, xpos, (string[x+start] & A_CHARTEXT) | A_NORMAL);
}
}
}
/*
* This writes out a char * string with attributes.
*/
void writeCharAttrib (WINDOW *window, int xpos, int ypos, char *string, chtype attr, int align, int start, int end)
{
/* Declare local variables. */
int display = end - start;
int x;
/* Check the alignment of the message. */
if (align == HORIZONTAL)
{
/* Draw the message on a horizontal axis. */
display = MINIMUM(display,getmaxx(window)-1);
for (x=0; x < display ; x++)
{
mvwaddch (window, ypos, xpos+x, (string[x+start] & A_CHARTEXT) | attr);
}
}
else
{
/* Draw the message on a vertical axis. */
display = MINIMUM(display,getmaxy(window)-1);
for (x=0; x < display ; x++)
{
mvwaddch (window, ypos+x, xpos, (string[x+start] & A_CHARTEXT) | attr);
}
}
}
/*
* This writes out a chtype * string.
*/
void writeChtype (WINDOW *window, int xpos, int ypos, chtype *string, int align, int start, int end)
{
/* Declare local variables. */
int diff, display, x;
/* Determine how much we need to display. */
diff = MAXIMUM (0, end - start);
/* Check the alignment of the message. */
if (align == HORIZONTAL)
{
/* Draw the message on a horizontal axis. */
display = MINIMUM (diff, getmaxx(window) - xpos);
for (x=0; x < display; x++)
{
mvwaddch (window, ypos, xpos+x, string[x+start]);
}
}
else
{
/* Draw the message on a vertical axis. */
display = MINIMUM (diff, getmaxy(window) - ypos);
for (x=0; x < display; x++)
{
mvwaddch (window, ypos+x, xpos, string[x+start]);
}
}
}
/*
* This writes out a chtype * string forcing the chtype string
* to be printed out with the given attributes instead.
*/
void writeChtypeAttrib (WINDOW *window, int xpos, int ypos, chtype *string, chtype attr, int align, int start, int end)
{
/* Declare local variables. */
int diff, display, x;
chtype plain;
/* Determine how much we need to display. */
diff = MAXIMUM (0, end - start);
/* Check the alignment of the message. */
if (align == HORIZONTAL)
{
/* Draw the message on a horizontal axis. */
display = MINIMUM (diff, getmaxx(window) - xpos);
for (x=0; x < display; x++)
{
plain = string[x+start] & A_CHARTEXT;
mvwaddch (window, ypos, xpos+x, plain | attr);
}
}
else
{
/* Draw the message on a vertical axis. */
display = MINIMUM (diff, getmaxy(window) - ypos);
for (x=0; x < display; x++)
{
plain = string[x+start] & A_CHARTEXT;
mvwaddch (window, ypos+x, xpos, plain | attr);
}
}
}
/*
* This pops up a message.
*/
void popupLabel (CDKSCREEN *screen, char **mesg, int count)
{
/* Declare local variables. */
CDKLABEL *popup = 0;
/* Create the label. */
popup = newCDKLabel (screen, CENTER, CENTER, mesg, count, TRUE, FALSE);
/* Draw it on the screen. */
drawCDKLabel (popup, TRUE);
/* Wait for some input. */
waitCDKLabel (popup, 0);
/* Kill it. */
destroyCDKLabel (popup);
/* Clean the screen. */
eraseCDKScreen (screen);
refreshCDKScreen (screen);
}
/*
* This pops up a dialog box.
*/
int popupDialog (CDKSCREEN *screen, char **mesg, int mesgCount, char **buttons, int buttonCount)
{
/* Declare local variables. */
CDKDIALOG *popup = 0;
int choice;
/* Create the dialog box. */
popup = newCDKDialog (screen, CENTER, CENTER,
mesg, mesgCount,
buttons, buttonCount,
A_REVERSE, TRUE,
TRUE, FALSE);
/* Activate the dialog box */
drawCDKDialog (popup, TRUE);
/* Get the choice. */
choice = activateCDKDialog (popup, 0);
/* Destroy the dialog box. */
destroyCDKDialog (popup);
/* Clean the screen. */
eraseCDKScreen (screen);
refreshCDKScreen (screen);
/* Return the choice. */
return choice;
}
/*
* This returns the a selected value in a list.
*/
int getListIndex (CDKSCREEN *screen, char *title, char **list, int listSize, boolean numbers)
{
CDKSCROLL *scrollp = 0;
int selected = -1;
int height = 10;
int width = -1;
int len = 0;
int x;
/* Determine the height of the list. */
if (listSize < 10)
{
height = listSize + (title == 0 ? 2 : 3);
}
/* Determine the width of the list. */
for (x=0; x < listSize; x++)
{
int temp = strlen (list[x]) + 10;
width = MAXIMUM (width, temp);
}
if (title != 0)
{
len = strlen (title);
}
width = MAXIMUM (width, len);
width += 5;
/* Create the scrolling list. */
scrollp = newCDKScroll (screen, CENTER, CENTER, RIGHT,
height, width, title,
list, listSize, numbers,
A_REVERSE, TRUE, FALSE);
/* Check if we made the list. */
if (scrollp == 0)
{
refreshCDKScreen (screen);
return -1;
}
/* Let the user play. */
selected = activateCDKScroll (scrollp, 0);
/* Check how they exited. */
if (scrollp->exitType != vNORMAL)
{
selected = -1;
}
/* Clean up. */
destroyCDKScroll (scrollp);
refreshCDKScreen (screen);
return selected;
}
/*
* This gets information from a user.
*/
char *getString (CDKSCREEN *screen, char *title, char *label, char *initValue)
{
CDKENTRY *widget = 0;
char *value = 0;
/* Create the widget. */
widget = newCDKEntry (screen, CENTER, CENTER, title, label,
A_NORMAL, '.', vMIXED, 40, 0,
5000, TRUE, FALSE);
/* Set the default value. */
setCDKEntryValue (widget, initValue);
/* Get the string. */
value = activateCDKEntry (widget, 0);
/* Make sure they exited normally. */
if (widget->exitType != vNORMAL)
{
destroyCDKEntry (widget);
return 0;
}
/* Return a copy of the string typed in. */
value = copyChar (getCDKEntryValue (widget));
destroyCDKEntry (widget);
return value;
}
/*
* This allows the user to view a file.
*/
int viewFile (CDKSCREEN *screen, char *title, char *filename, char **buttons, int buttonCount)
{
CDKVIEWER *viewer = 0;
int selected = -1;
int lines = 0;
char *info[MAX_LINES];
/* Open the file and read the contents. */
lines = readFile (filename, info, MAX_LINES);
/* If we couldn't read the file, return an error. */
if (lines == -1)
{
return (lines);
}
/* Create the file viewer to view the file selected.*/
viewer = newCDKViewer (screen, CENTER, CENTER, -6, -16,
buttons, buttonCount,
A_REVERSE, TRUE, TRUE);
/* Set up the viewer title, and the contents to the widget. */
setCDKViewer (viewer, title, info, lines, A_REVERSE, TRUE, TRUE, TRUE);
/* Activate the viewer widget. */
selected = activateCDKViewer (viewer, 0);
/* Clean up. */
freeCharList (info, lines);
/* Make sure they exited normally. */
if (viewer->exitType != vNORMAL)
{
destroyCDKViewer (viewer);
return (-1);
}
/* Clean up and return the button index selected. */
destroyCDKViewer (viewer);
return selected;
}
/*
* This allows the user to view information.
*/
int viewInfo (CDKSCREEN *screen, char *title, char **info, int count, char **buttons, int buttonCount, boolean interpret)
{
CDKVIEWER *viewer = 0;
int selected = -1;
/* Create the file viewer to view the file selected.*/
viewer = newCDKViewer (screen, CENTER, CENTER, -6, -16,
buttons, buttonCount,
A_REVERSE, TRUE, TRUE);
/* Set up the viewer title, and the contents to the widget. */
setCDKViewer (viewer, title, info, count, A_REVERSE, interpret, TRUE, TRUE);
/* Activate the viewer widget. */
selected = activateCDKViewer (viewer, 0);
/* Make sure they exited normally. */
if (viewer->exitType != vNORMAL)
{
destroyCDKViewer (viewer);
return (-1);
}
/* Clean up and return the button index selected. */
destroyCDKViewer (viewer);
return selected;
}
/*
* This allows a person to select a file.
*/
char *selectFile (CDKSCREEN *screen, char *title)
{
CDKFSELECT *fselect = 0;
char *filename = 0;
char *holder = 0;
/* Create the file selector. */
fselect = newCDKFselect (screen, CENTER, CENTER, -4, -20,
title, "File: ",
A_NORMAL, '_', A_REVERSE,
"</5>", "</48>", "</N>", "</N>",
TRUE, FALSE);
/* Let the user play. */
holder = activateCDKFselect (fselect, 0);
/* Check the way the user exited the selector. */
if (fselect->exitType != vNORMAL)
{
destroyCDKFselect (fselect);
refreshCDKScreen (screen);
return (0);
}
/* Otherwise... */
filename = strdup (holder);
destroyCDKFselect (fselect);
refreshCDKScreen (screen);
return (filename);
}