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-rw-r--r--backends/wininput.c65
1 files changed, 61 insertions, 4 deletions
diff --git a/backends/wininput.c b/backends/wininput.c
index 3175171..71e9855 100644
--- a/backends/wininput.c
+++ b/backends/wininput.c
@@ -61,6 +61,7 @@ static struct {
int virtual_x, virtual_y, virtual_width, virtual_height;
long mouse_x, mouse_y;
size_t requests;
+ //sorted in _start
wininput_request* request;
uint32_t interval;
} cfg = {
@@ -95,6 +96,24 @@ MM_PLUGIN_API int init(){
return 0;
}
+static int request_comparator(const void * raw_a, const void * raw_b){
+ wininput_request* a = (wininput_request*) raw_a, *b = (wininput_request*) raw_b;
+
+ //sort by type first
+ if(a->ident.fields.type != b->ident.fields.type){
+ return a->ident.fields.type - b->ident.fields.type;
+ }
+
+ //joysticks need to be sorted by controller id first so we can query them once
+ if(a->ident.fields.type == joystick){
+ //joystick id is in the upper bits of control and we dont actually care about anything else
+ return a->ident.fields.control - b->ident.fields.control;
+ }
+
+ //the rest doesnt actually need to be sorted at all
+ return 0;
+}
+
static uint32_t wininput_interval(){
return cfg.interval;
}
@@ -252,6 +271,7 @@ static uint64_t wininput_channel_joystick(instance* inst, char* spec, uint8_t fl
LOGPF("Invalid joystick specification %s", spec);
return 0;
}
+ token++;
if(strlen(token) == 1 || !strcmp(token, "pov")){
if(strchr(axes, token[0])){
@@ -270,11 +290,12 @@ static uint64_t wininput_channel_joystick(instance* inst, char* spec, uint8_t fl
LOGPF("Button index out of range for specification %s", token);
return 0;
}
+ ident.fields.channel = button;
ident.fields.control |= (controller << 8);
return ident.label;
}
- printf("Invalid joystick control %s", spec);
+ LOGPF("Invalid joystick control %s", spec);
return 0;
}
@@ -419,10 +440,11 @@ static int wininput_handle(size_t num, managed_fd* fds){
channel_value val = {
.normalised = 0
};
- uint8_t mouse_updated = 0, synthesize_off = 0, push_event = 0;
+ uint8_t mouse_updated = 0, synthesize_off = 0, push_event = 0, current_joystick = 0;
uint16_t key_state = 0;
- POINT cursor_position;
size_t u = 0, n;
+ POINT cursor_position;
+ JOYINFOEX joy_info;
for(u = 0; u < cfg.requests; u++){
synthesize_off = 0;
@@ -473,6 +495,32 @@ static int wininput_handle(size_t num, managed_fd* fds){
push_event = 1;
}
}
+ else if(cfg.request[u].ident.fields.type == joystick){
+ if(cfg.request[u].ident.fields.control >> 8 != current_joystick){
+ joy_info.dwSize = sizeof(joy_info);
+ joy_info.dwFlags = JOY_RETURNALL;
+ if(joyGetPosEx((cfg.request[u].ident.fields.control >> 8) - 1, &joy_info) != JOYERR_NOERROR){
+ LOGPF("Failed to query joystick %d", cfg.request[u].ident.fields.control >> 8);
+ //early exit because other joystick probably won't be connected either (though this may be wrong)
+ //else we would need to think of a way to mark the data invalid for subsequent requests on the same joystick
+ return 0;
+ }
+ current_joystick = cfg.request[u].ident.fields.control >> 8;
+ }
+
+ if(cfg.request[u].ident.fields.channel == button){
+ //button query
+ if(joy_info.dwFlags & JOY_RETURNBUTTONS){
+ //TODO handle button requests
+ }
+ else{
+ LOGPF("No button data received for joystick %d", cfg.request[u].ident.fields.control >> 8);
+ }
+ }
+ else{
+ //TODO handle axis requests
+ }
+ }
if(push_event){
//push current value to all channels
@@ -498,6 +546,7 @@ static int wininput_start(size_t n, instance** inst){
size_t u;
POINT cursor_position;
JOYINFOEX joy_info;
+ JOYCAPS joy_caps;
//if no input requested, don't request polling
if(!cfg.requests){
@@ -509,7 +558,12 @@ static int wininput_start(size_t n, instance** inst){
joy_info.dwSize = sizeof(joy_info);
joy_info.dwFlags = 0;
if(joyGetPosEx(u, &joy_info) == JOYERR_NOERROR){
- LOGPF("Joystick %" PRIsize_t " is available for input", u + 1);
+ if(joyGetDevCaps(u, &joy_caps, sizeof(joy_caps)) == JOYERR_NOERROR){
+ LOGPF("Joystick %" PRIsize_t " (%s) is available for input", u + 1, joy_caps.szPname ? joy_caps.szPname : "unknown model");
+ }
+ else{
+ LOGPF("Joystick %" PRIsize_t " available for input, but no capabilities reported", u + 1);
+ }
}
}
@@ -520,6 +574,9 @@ static int wininput_start(size_t n, instance** inst){
cfg.virtual_y = GetSystemMetrics(SM_YVIRTUALSCREEN);
DBGPF("Virtual screen is %dx%d with offset %dx%d", cfg.virtual_width, cfg.virtual_height, cfg.virtual_x, cfg.virtual_y);
+ //sort requests to allow querying each joystick only once
+ qsort(cfg.request, cfg.requests, sizeof(wininput_request), request_comparator);
+
//initialize mouse position
if(!GetCursorPos(&cursor_position)){
LOG("Failed to read initial mouse position");