107 lines
2.2 KiB
C
107 lines
2.2 KiB
C
#include <SDL.h>
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#include "input.h"
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#include <strings.h>
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#include <stdio.h>
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void push_user_event(void (*p) (void*), void *data)
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{
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SDL_Event event;
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SDL_UserEvent uevent;
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uevent.type = SDL_USEREVENT;
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uevent.code = 0;
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event.type = SDL_USEREVENT;
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uevent.data1 = p;
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uevent.data2 = data;
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event.user = uevent;
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SDL_PushEvent(&event);
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}
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int input_init(void)
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{
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SDL_EnableKeyRepeat(500, 30);
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return 0;
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}
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void input_clear(void)
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{
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SDL_Event event;
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while (SDL_PollEvent(&event));
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return;
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}
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int input(struct inp_event *inp, int wait)
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{
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int rc;
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SDL_Event event;
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SDL_Event peek;
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memset(&event, 0, sizeof(event));
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memset(&peek, 0, sizeof(peek));
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if (wait) {
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rc = SDL_WaitEvent(&event);
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} else
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rc = SDL_PollEvent(&event);
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if (!rc)
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return 0;
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inp->sym = NULL;
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inp->type = 0;
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inp->count = 1;
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switch(event.type){
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case SDL_USEREVENT: {
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void (*p) (void*) = event.user.data1;
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p(event.user.data2);
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return AGAIN;
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}
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case SDL_QUIT:
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return -1;
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case SDL_KEYDOWN: //A key has been pressed
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inp->type = KEY_DOWN;
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inp->code = event.key.keysym.scancode;
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inp->sym = SDL_GetKeyName(event.key.keysym.sym);
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break;
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case SDL_KEYUP:
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inp->type = KEY_UP;
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inp->code = event.key.keysym.scancode;
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inp->sym = SDL_GetKeyName(event.key.keysym.sym);
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break;
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case SDL_MOUSEMOTION:
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inp->type = MOUSE_MOTION;
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inp->x = event.button.x;
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inp->y = event.button.y;
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while (SDL_PeepEvents(&peek, 1, SDL_GETEVENT, SDL_EVENTMASK (SDL_MOUSEMOTION)) > 0) {
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inp->x = peek.button.x;
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inp->y = peek.button.y;
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}
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break;
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case SDL_MOUSEBUTTONUP:
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inp->type = MOUSE_UP;
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inp->x = event.button.x;
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inp->y = event.button.y;
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if (event.button.button == 4)
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inp->type = 0;
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else if (event.button.button == 5)
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inp->type = 0;
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break;
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case SDL_MOUSEBUTTONDOWN:
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inp->type = MOUSE_DOWN;
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inp->x = event.button.x;
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inp->y = event.button.y;
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if (event.button.button == 4)
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inp->type = MOUSE_WHEEL_UP;
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else if (event.button.button == 5)
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inp->type = MOUSE_WHEEL_DOWN;
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while (SDL_PeepEvents(&peek, 1, SDL_GETEVENT, SDL_EVENTMASK (SDL_MOUSEBUTTONDOWN)) > 0) {
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if (!((event.button.button == 4 &&
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inp->type == MOUSE_WHEEL_UP) ||
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(event.button.button == 5 &&
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inp->type == MOUSE_WHEEL_DOWN)))
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break;
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inp->count ++;
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}
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break;
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}
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return 1;
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}
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