/*
** Demo program for mouse usage.
** Supports the C64/C128/CBM510/Atari/Apple2.
**
** 2001-09-13, Ullrich von Bassewitz
** 2013-09-05, Greg King
**
*/
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <mouse.h>
#include <pen.h>
#include <conio.h>
#include <ctype.h>
#include <dbg.h>
#include <cc65.h>
#define max(a,b) (((a) > (b)) ? (a) : (b))
#define min(a,b) (((a) < (b)) ? (a) : (b))
#ifdef MOUSE_DRIVER
/* A statically linked driver was named on the compiler's command line.
** Make sure that it is used instead of a dynamic one.
*/
# undef DYN_DRV
# define DYN_DRV 0
#else
/* Use a dynamically loaded driver, by default. */
# ifndef DYN_DRV
# define DYN_DRV 1
# endif
#endif
#ifdef __CBM__
/* Set dark-on-light colors. */
const unsigned char mouse_def_pointercolor = COLOR_BLACK;
#endif
static void __fastcall__ CheckError (const char* S, unsigned char Error)
{
if (Error != MOUSE_ERR_OK) {
cprintf ("\n%s: %s(%u)\r\n", S, mouse_geterrormsg (Error), Error);
/* Wait for a key-press, so that some platforms can show the error
** message before they remove the current screen.
*/
if (doesclrscrafterexit ()) {
cgetc ();
}
exit (EXIT_FAILURE);
}
}
#if DYN_DRV
/* Points to the dynamic driver's name. */
static const char *mouse_name;
static void DoWarning (void)
/* Warn the user that a driver is needed for this program. */
{
cprintf ("Warning: This program needs\r\n"
"the driver with the name\r\n"
" %s\r\n"
"on a disk! Press 'y' if you have it;\r\n"
"or, any other key to exit.\r\n", mouse_stddrv);
if (tolower (cgetc ()) != 'y') {
exit (EXIT_SUCCESS);
}
cprintf ("OK. Please wait patiently...\r\n");
}
#endif
static void __fastcall__ ShowState (unsigned char Jailed, unsigned char Invisible)
/* Display jail and cursor states. */
{
cclearxy (0, 7, 32);
gotoxy (0, 7);
cprintf ("Pointer is %svisible%s.", Invisible? "in" : "", Jailed? " and jailed" : "");
}
#if DYN_DRV
int main (int argc, char *argv[])
#else
int main (void)
#endif
{
struct mouse_info info;
struct mouse_box full_box, small_box;
unsigned char width, height;
char C;
bool Invisible = true, Done = false, Jailed = false;
/* Initialize the debugger */
DbgInit (0);
/* Set dark-on-light colors. Clear the screen. */
#ifdef __CBM__
(void) bordercolor (COLOR_GRAY2);
(void) bgcolor (COLOR_WHITE);
(void) textcolor (COLOR_GRAY1);
#else
(void) bordercolor (COLOR_BLUE);
(void) bgcolor (COLOR_WHITE);
(void) textcolor (COLOR_BLACK);
#endif
cursor (0);
clrscr ();
/* If a lightpen driver is installed, then it can get a calibration value
** from this file (if it exists). Or, the user can adjust the pen; and,
** the value will be put into this file, for the next time.
** (Other drivers will ignore this.)
*/
#if defined(__C64__) || defined(__C128__) || defined(__CBM510__)
pen_adjust ("pen.dat");
#endif
#if DYN_DRV
/* If a dynamically loadable driver is named on the command line,
** then use that driver instead of the standard one.
*/
if (argc > 1) {
mouse_name = argv[1];
} else {
/* Output a warning about the standard driver that is needed. */
DoWarning ();
mouse_name = mouse_stddrv;
}
/* Load and install the driver. */
CheckError ("mouse_load_driver",
mouse_load_driver (&mouse_def_callbacks, mouse_name));
#else
/* Install the driver. */
CheckError ("mouse_install",
mouse_install (&mouse_def_callbacks,
# ifdef MOUSE_DRIVER
MOUSE_DRIVER
# else
mouse_static_stddrv
# endif
));
#endif
/* Get the initial bounding box. */
mouse_getbox (&full_box);
screensize (&width, &height);
top:
clrscr ();
/* Print a help line */
cputs (" d)ebug h)ide q)uit s)how j)ail");
/* Put a cross at the center of the screen. */
gotoxy (width / 2 - 3, height / 2 - 1);
#if defined(__CBM__)
cprintf ("%3u,%3u\r\n%*s\xDB", width / 2 * 8 + 4, height / 2 * 8 + 4,
width / 2, "");
#else
cprintf ("%3u,%3u\r\n%*s+", width / 2 * 8 + 4, height / 2 * 8 + 4,
width / 2, "");
#endif
/* Test loop */
ShowState (Jailed, Invisible);
do {
/* Get the current co-ordinates and button states; and, print them. */
mouse_info (&info);
gotoxy (0, 2);
cprintf (" X = %3d\r\n", info.pos.x);
cprintf (" Y = %3d\r\n", info.pos.y);
cprintf (" B1 = %c\r\n", (info.buttons & MOUSE_BTN_LEFT) ?
#ifdef __CBM__
0x5F
#else
'v'
#endif
: '^');
cprintf (" B2 = %c", (info.buttons & MOUSE_BTN_RIGHT) ?
#ifdef __CBM__
0x5F
#else
'v'
#endif
: '^');
/* Handle user input */
if (kbhit ()) {
cclearxy (1, 9, 23);
switch (tolower (C = cgetc ())) {
case 'd':
BREAK();
/* The debugger might have changed the colors.
** Restore them.
*/
#ifdef __CBM__
(void) bordercolor (COLOR_GRAY2);
(void) bgcolor (COLOR_WHITE);
(void) textcolor (COLOR_GRAY1);
#else
(void) bordercolor (COLOR_BLUE);
(void) bgcolor (COLOR_WHITE);
(void) textcolor (COLOR_BLACK);
#endif
/* The debugger changed the screen; restore it. */
goto top;
case 'h':
mouse_hide ();
ShowState (Jailed, ++Invisible);
break;
case 'j':
if (Jailed) {
mouse_setbox (&full_box);
Jailed = false;
} else {
small_box.minx = max (info.pos.x - 10, full_box.minx);
small_box.miny = max (info.pos.y - 10, full_box.miny);
small_box.maxx = min (info.pos.x + 10, full_box.maxx);
small_box.maxy = min (info.pos.y + 10, full_box.maxy);
mouse_setbox (&small_box);
Jailed = true;
}
ShowState (Jailed, Invisible);
break;
case 's':
mouse_show ();
if (Invisible) {
ShowState (Jailed, --Invisible);
}
break;
case 'q':
Done = true;
break;
default:
gotoxy (1, 9);
cprintf ("Spurious character: $%02X", C);
}
}
} while (!Done);
#if DYN_DRV
/* Uninstall and unload the driver. */
CheckError ("mouse_unload", mouse_unload ());
#else
/* Uninstall the static driver. */
CheckError ("mouse_uninstall", mouse_uninstall ());
#endif
/* Say goodbye */
cputsxy (0, height / 2 + 3, "Goodbye!");
return EXIT_SUCCESS;
}