mouse_input.c File Reference
Works out which line of text the user clicked. More...
#include "white_interface.h"
Go to the source code of this file.
Functions | |
| void | poin_entry_Init () |
| VCC Init function. More... | |
| void | poin_entry_Run () |
| VCC Run function. More... | |
Detailed Description
Works out which line of text the user clicked.This block is a cut down version of the process_input part of the input module. It looks at where the user clicked and determines which line of text they selected on the lobby screen. Using this information, start_game.c can work out which player they chose as their opponent.
Definition in file mouse_input.c.
Function Documentation
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VCC Init function. This function runs when the VCC simulation is first started. Definition at line 19 of file mouse_input.c.
00020 {
00021 }
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VCC Run function. This runs whenever a message arrives at the mouse_in port. Definition at line 29 of file mouse_input.c.
00030 {
00031 int y, grid_line, screen_line;
00032 mouse_drag input;
00033
00034 /* When a mouse_drag message arrives, extract the y
00035 coordinate of where the user clicked. */
00036 if (mouse_in_Enabled())
00037 {
00038 input = *mouse_in_Value();
00039 y = input.down_y;
00040
00041 /* The lobby screen is a 10 line display, with
00042 each line 24 pixels high. The bottom line
00043 starts at the 80th pixel up the screen. */
00044
00045 /* get the number of pixels up the 10 line display
00046 that the user clicked on. */
00047 y = y - 80;
00048
00049 /* now work out how many lines up the display
00050 they clicked. */
00051 grid_line = y / 24;
00052
00053 /* convert this to the number of lines down
00054 the display they clicked, excluding a
00055 title line and spacing line at the top. */
00056 screen_line = grid_line - 8;
00057 screen_line = -screen_line;
00058
00059 /* as long as the user clicked on a valid
00060 area of the screen, output the line
00061 number to the start_game block. */
00062 if (screen_line > 0)
00063 {
00064 line_out_Post(screen_line);
00065 }
00066 }
00067 }
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Copyright © 2002 Andrew Bates
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Last Updated 04/04/02
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