Category : Tutorials + Patches
Archive : ZIP-3-3.ZIP
Filename : MOUSE2.C
Output of file : MOUSE2.C contained in archive : ZIP-3-3.ZIP
/* Graphic Buttons Demo */
/* by */
/* Ron Balewski */
/* */
/* Demonstrates the seek_button */
/* button selection routine */
/* */
/********************************/
#include
#include
#include
/* Set up button parameters */
int numbuttons = 11;
int buttons[11][4] = { { 10, 10, 60, 20},
{ 40, 25, 90, 35},
{ 70, 40, 120, 50},
{100, 55, 150, 65},
{130, 70, 180, 80},
{160, 85, 210, 95},
{190, 100, 240, 110},
{220, 115, 270, 125},
{250, 130, 300, 140},
{260, 145, 319, 155},
{ 20, 170, 60, 190} };
main()
{
int counter, buttoncode, exitcode;
char output[10];
int graphdriver, graphmode;
/* Set up graphics driver & font */
registerbgidriver(CGA_driver);
registerbgifont(small_font);
/* Start up the graphics mode */
graphdriver = CGA;
graphmode = CGAC1;
initgraph(&graphdriver, &graphmode, "");
/* Draw the buttons */
setcolor(3);
setlinestyle(SOLID_LINE, 0, NORM_WIDTH);
for (counter=0; counter<11; counter++)
rectangle(buttons[counter][0], buttons[counter][1],
buttons[counter][2], buttons[counter][3]);
/* Label the buttons */
setcolor(2);
settextstyle(SMALL_FONT, HORIZ_DIR, 4);
for (counter=0; counter<10; counter++)
{
sprintf(output, "Button %d", counter+1);
outtextxy(buttons[counter][0]+3, buttons[counter][1], output);
}
outtextxy(buttons[10][0]+5, buttons[10][1]+5, "-EXIT-");
/* Set text & fill styles for messages */
settextstyle(SMALL_FONT, HORIZ_DIR, 7);
setfillstyle(SOLID_FILL, 0);
/* Set up & turn on rodent */
init_mouse();
show_cursor();
/* Wait for & process left-button clicks */
exitcode = 0;
while (exitcode == 0)
{
buttoncode = check_left();
if (buttoncode != -1) /* Do if left button clicked */
{
hide_cursor();
switch(buttoncode)
{
case 1:
{
show_message("Pressed button 1");
break;
}
case 2:
{
show_message("Pressed button 2");
break;
}
case 3:
{
show_message("Pressed button 3");
break;
}
case 4:
{
show_message("Pressed button 4");
break;
}
case 5:
{
show_message("Pressed button 5");
break;
}
case 6:
{
show_message("Pressed button 6");
break;
}
case 7:
{
show_message("Pressed button 7");
break;
}
case 8:
{
show_message("Pressed button 8");
break;
}
case 9:
{
show_message("Pressed button 9");
break;
}
case 10:
{
show_message("Pressed button 10");
break;
}
case 11:
{
show_message("Good-bye!!");
sleep(2);
exitcode = 1;
}
default:
{
show_message("No button!");
break;
}
}
show_cursor();
}
}
closegraph();
}
show_message(char *text)
/* Print a graphic message in upper right corner of screen */
{
bar(80, 0, 319, 24);
outtextxy(90, 0, text);
}
int check_left()
/* Determine if the left mouse button was clicked and, if so, */
/* whether or not it was clicked on an 0n-screen button */
/* Returns: -1 for no left click */
/* 0 for a click, but not on a valid button */
/* Button number when clicked on a valid button */
{
union REGS r;
/* Check on left button */
r.x.ax = 5;
r.x.bx = 0;
int86(0x33, &r, &r);
/* if no button, return -1 */
if (r.x.bx == 0) return(-1);
/* NOTE: In CGA mode, the mouse driver will return a horizontal */
/* value between 0 & 640, EVEN IF YOU'RE IN THE 320x200 4-COLOR */
/* MODE!!! To get around that problem, we'll divide the */
/*horizontal co-ordinate by two with a shift-right command. */
r.x.cx >>= 1;
/* Check if click was on a button & return */
return(seek_button(r.x.cx, r.x.dx));
}
int seek_button(int horiz, int vert)
/* This useful little routine will take two numbers (horizontal */
/* & vertical co-ordinates) and check if tyet're on a valid button.*/
/* If so, it'll return the button number. If not, it'll return */
/* zero. */
{
int count;
for (count=0; count
if ( (horiz>buttons[count][0]) && (horiz
}
return (0);
}
init_mouse()
/* Initialize mouse */
{
union REGS r;
r.x.ax = 0;
int86(0x33, &r, &r);
}
show_cursor()
/* Turn on mouse cursor */
{
union REGS r;
r.x.ax = 1;
int86(0x33, &r, &r);
}
hide_cursor()
/* turn off mouse cursor */
{
union REGS r;
r.x.ax = 2;
int86(0x33,&r, &r);
}
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