NetBSD/dist/cdk/examples/viewer_ex.c

162 lines
3.8 KiB
C

#include <cdk.h>
#ifdef HAVE_XCURSES
char *XCursesProgramName="viewer_ex";
#endif
void
doView (CDKSCREEN *cdkscreen, char *filename)
{
CDKVIEWER *example = 0;
char *info[MAX_LINES];
char *button[5], vTitle[256], *mesg[4], temp[256];
int selected, lines;
/* Create the viewer buttons. */
button[0] = "</5><OK><!5>";
button[1] = "</5><Cancel><!5>";
/* Create the file viewer to view the file selected.*/
example = newCDKViewer (cdkscreen, CENTER, CENTER, -2, -2,
button, 2, A_REVERSE, TRUE, TRUE);
/* Could we create the viewer widget? */
if (example == 0)
{
endCDK();
printf ("Oops. Can't seem to create viewer. Is the window too small?\n");
exit (1);
}
/* Open the file and read the contents. */
lines = readFile (filename, info, MAX_LINES);
if (lines == -1)
{
endCDK();
printf ("Could not open %s\n", filename);
exit (1);
}
/* Set up the viewer title, and the contents to the widget. */
sprintf (vTitle, "<C></B/21>Filename:<!21></22>%20s<!22!B>", filename);
setCDKViewer (example, vTitle, info, lines, A_REVERSE, TRUE, TRUE, TRUE);
/* Clean up. */
freeCharList (info, lines);
/* Activate the viewer widget. */
selected = activateCDKViewer (example, 0);
/* Check how the person exited from the widget.*/
if (example->exitType == vESCAPE_HIT)
{
mesg[0] = "<C>Escape hit. No Button selected.";
mesg[1] = "";
mesg[2] = "<C>Press any key to continue.";
popupLabel (cdkscreen, mesg, 3);
}
else if (example->exitType == vNORMAL)
{
sprintf (temp, "<C>You selected button %d", selected);
mesg[0] = copyChar (temp);
mesg[1] = "";
mesg[2] = "<C>Press any key to continue.";
popupLabel (cdkscreen, mesg, 3);
}
/* Clean up. */
destroyCDKViewer (example);
}
/*
* This program demonstrates the file selector and the viewer widget.
*/
int main (int argc, char **argv)
{
/* Declare variables. */
CDKSCREEN *cdkscreen = 0;
CDKFSELECT *fSelect = 0;
WINDOW *cursesWin = 0;
char *title = "<C>Pick a file.";
char *label = "File: ";
char *directory = ".";
char *filename, *mesg[4];
int ret;
/* Parse up the command line. */
filename = 0;
while (1)
{
ret = getopt (argc, argv, "d:f:");
if (ret == -1)
{
break;
}
switch (ret)
{
case 'd' :
directory = strdup (optarg);
break;
case 'f' :
filename = strdup (optarg);
break;
}
}
/* Set up CDK. */
cursesWin = initscr();
cdkscreen = initCDKScreen (cursesWin);
/* Start color. */
initCDKColor();
if (filename == 0)
{
/* Get the filename. */
fSelect = newCDKFselect (cdkscreen, CENTER, CENTER, 20, 65,
title, label, A_NORMAL, '_', A_REVERSE,
"</5>", "</48>", "</N>", "</N>", TRUE, TRUE);
/*
* Set the starting directory. This is not neccessary because when
* the file selector starts it uses the present directory as a default.
*/
setCDKFselect (fSelect, directory, A_NORMAL, '.', A_REVERSE,
"</5>", "</48>", "</N>", "</N>", ObjOf(fSelect)->box);
for (;;)
{
/* Activate the file selector. */
filename = activateCDKFselect (fSelect, 0);
/* Check how the person exited from the widget. */
if (fSelect->exitType == vESCAPE_HIT)
{
/* Pop up a message for the user. */
mesg[0] = "<C>Escape hit. No file selected.";
mesg[1] = "";
mesg[2] = "<C>Press any key to continue.";
popupLabel (cdkscreen, mesg, 3);
/* Exit CDK. */
destroyCDKFselect (fSelect);
break;
}
doView (cdkscreen, filename);
touchwin (fSelect->entryField->win);
touchwin (fSelect->scrollField->win);
}
}
else
{
doView (cdkscreen, filename);
}
/* Clean up. */
destroyCDKScreen (cdkscreen);
endCDK();
exit (0);
}