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cc65/samples/mousedemo.c
ol.sc c45442692c Fixed messed up line endings.
git-svn-id: svn://svn.cc65.org/cc65/trunk@4305 b7a2c559-68d2-44c3-8de9-860c34a00d81
2009-10-02 20:15:14 +00:00

225 lines
5.1 KiB
C

/*
* Demo program for mouse usage. Will work for the C64/C128/CBM510/Atari/Apple2
*
* Ullrich von Bassewitz, 13.09.2001
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <mouse.h>
#include <conio.h>
#include <ctype.h>
#include <dbg.h>
#if defined(__C64__) || defined(__C128__)
/* Address of data for sprite 0 */
#if defined(__C64__)
# define SPRITE0_DATA 0x0340
# define SPRITE0_PTR 0x07F8
#elif defined(__C128__)
# define SPRITE0_DATA 0x0E00
# define SPRITE0_PTR 0x07F8
#endif
/* The mouse sprite (an arrow) */
static const unsigned char MouseSprite[64] = {
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x0F, 0xE0, 0x00,
0x0F, 0xC0, 0x00,
0x0F, 0x80, 0x00,
0x0F, 0xC0, 0x00,
0x0D, 0xE0, 0x00,
0x08, 0xF0, 0x00,
0x00, 0x78, 0x00,
0x00, 0x3C, 0x00,
0x00, 0x1E, 0x00,
0x00, 0x0F, 0x00,
0x00, 0x07, 0x80,
0x00, 0x03, 0x80,
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x00
};
#endif /* __C64__ or __C128__ */
#define max(a,b) (((a) > (b)) ? (a) : (b))
#define min(a,b) (((a) < (b)) ? (a) : (b))
static void CheckError (const char* S, unsigned char Error)
{
if (Error != MOUSE_ERR_OK) {
printf ("%s: %s(%d)\n", S, mouse_geterrormsg (Error), Error);
exit (EXIT_FAILURE);
}
}
static void DoWarning (void)
/* Warn the user that a mouse driver is needed for this program */
{
printf ("Warning: This program needs the mouse\n"
"driver with the name\n"
" %s\n"
"on disk! Press 'y' if you have it or\n"
"any other key to exit.\n", mouse_stddrv);
if (tolower (cgetc ()) != 'y') {
exit (EXIT_SUCCESS);
}
printf ("Ok. Please wait patiently...\n");
}
static void ShowState (unsigned char Jailed, unsigned char Invisible)
/* Display jail and cursor state */
{
gotoxy (0, 6);
cclear (40);
gotoxy (0, 6);
cprintf ("Mouse cursor %svisible%s", Invisible? "in" : "", Jailed? ", jailed" : "");
}
int main (void)
{
struct mouse_info info;
struct mouse_box full_box;
struct mouse_box small_box;
unsigned char Invisible;
unsigned char Done;
unsigned char Jailed;
/* Initialize the debugger */
DbgInit (0);
/* Output a warning about the driver that is needed */
DoWarning ();
/* Clear the screen, set white on black */
(void) bordercolor (COLOR_BLACK);
(void) bgcolor (COLOR_BLACK);
(void) textcolor (COLOR_GRAY3);
cursor (0);
clrscr ();
#if defined(__C64__) || defined(__C128__) || defined(__CBM510__)
/* Copy the sprite data */
memcpy ((void*) SPRITE0_DATA, MouseSprite, sizeof (MouseSprite));
/* Set the VIC sprite pointer */
*(unsigned char*)SPRITE0_PTR = SPRITE0_DATA / 64;
/* Set the color of sprite 0 */
#ifdef __CBM510__
pokebsys ((unsigned) &VIC.spr0_color, COLOR_WHITE);
#else
VIC.spr0_color = COLOR_WHITE;
#endif
#endif
/* Load and install the mouse driver */
CheckError ("mouse_load_driver",
mouse_load_driver (&mouse_def_callbacks, mouse_stddrv));
/* Get the initial mouse bounding box */
mouse_getbox (&full_box);
/* Print a help line */
revers (1);
cputsxy (0, 0, "d)ebug h)ide q)uit s)how j)ail ");
revers (0);
/* Test loop */
Done = 0;
Jailed = 0;
Invisible = 1;
ShowState (Jailed, Invisible);
while (!Done) {
/* Get the current mouse coordinates and button states and print them */
mouse_info (&info);
gotoxy (0, 2);
cprintf ("X = %3d", info.pos.x);
gotoxy (0, 3);
cprintf ("Y = %3d", info.pos.y);
gotoxy (0, 4);
cprintf ("LB = %c", (info.buttons & MOUSE_BTN_LEFT)? '1' : '0');
gotoxy (0, 5);
cprintf ("RB = %c", (info.buttons & MOUSE_BTN_RIGHT)? '1' : '0');
/* Handle user input */
if (kbhit ()) {
switch (tolower (cgetc ())) {
case 'd':
BREAK();
break;
case 'h':
ShowState (Jailed, ++Invisible);
mouse_hide ();
break;
case 'j':
if (Jailed) {
Jailed = 0;
mouse_setbox (&full_box);
} else {
Jailed = 1;
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);
}
ShowState (Jailed, Invisible);
break;
case 's':
if (Invisible) {
ShowState (Jailed, --Invisible);
mouse_show ();
}
break;
case 'q':
Done = 1;
break;
}
}
}
/* Uninstall and unload the mouse driver */
CheckError ("mouse_unload", mouse_unload ());
/* Say goodbye */
clrscr ();
cputs ("Goodbye!\r\n");
return EXIT_SUCCESS;
}