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This commit is contained in:
Camilla Berglund 2012-08-14 21:58:22 +02:00
parent 6399fb19fd
commit ac653761b9
1 changed files with 28 additions and 15 deletions
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43
src/cocoa_joystick.m
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@ -86,7 +86,7 @@ typedef struct
static _glfwJoystick _glfwJoysticks[GLFW_JOYSTICK_LAST + 1];
void GetElementsCFArrayHandler(const void* value, void* parameter);
void getElementsCFArrayHandler(const void* value, void* parameter);
//========================================================================
@ -112,7 +112,7 @@ static void addJoystickElement(_glfwJoystick* joystick, CFTypeRef refElement)
(elementType == kIOHIDElementTypeInput_Button) ||
(elementType == kIOHIDElementTypeInput_Misc))
{
switch (usagePage) /* only interested in kHIDPage_GenericDesktop and kHIDPage_Button */
switch (usagePage)
{
case kHIDPage_GenericDesktop:
{
@ -175,10 +175,10 @@ static void addJoystickElement(_glfwJoystick* joystick, CFTypeRef refElement)
if (refElementTop)
{
CFTypeID type = CFGetTypeID (refElementTop);
if (type == CFArrayGetTypeID()) /* if element is an array */
if (type == CFArrayGetTypeID())
{
CFRange range = {0, CFArrayGetCount (refElementTop)};
CFArrayApplyFunction(refElementTop, range, GetElementsCFArrayHandler, joystick);
CFArrayApplyFunction(refElementTop, range, getElementsCFArrayHandler, joystick);
}
}
}
@ -189,7 +189,7 @@ static void addJoystickElement(_glfwJoystick* joystick, CFTypeRef refElement)
// Adds an element to the specified joystick
//========================================================================
void GetElementsCFArrayHandler(const void* value, void* parameter)
static void getElementsCFArrayHandler(const void* value, void* parameter)
{
if (CFGetTypeID(value) == CFDictionaryGetTypeID())
addJoystickElement((_glfwJoystick*) parameter, (CFTypeRef) value);
@ -346,7 +346,7 @@ void _glfwInitJoysticks(void)
{
if (hidMatchDictionary)
CFRelease(hidMatchDictionary);
return;
}
@ -356,8 +356,11 @@ void _glfwInitJoysticks(void)
if (result != kIOReturnSuccess)
return;
if (!objectIterator) /* there are no joysticks */
if (!objectIterator)
{
// There are no joysticks
return;
}
while ((ioHIDDeviceObject = IOIteratorNext(objectIterator)))
{
@ -395,7 +398,7 @@ void _glfwInitJoysticks(void)
if (refCF)
{
CFNumberGetValue(refCF, kCFNumberLongType, &usage);
if ((usage != kHIDUsage_GD_Joystick &&
usage != kHIDUsage_GD_GamePad &&
usage != kHIDUsage_GD_MultiAxisController))
@ -459,7 +462,7 @@ void _glfwInitJoysticks(void)
CFRange range = { 0, CFArrayGetCount(refTopElement) };
CFArrayApplyFunction(refTopElement,
range,
GetElementsCFArrayHandler,
getElementsCFArrayHandler,
(void*) joystick);
}
@ -509,7 +512,8 @@ int _glfwPlatformGetJoystickParam(int joy, int param)
return (int) CFArrayGetCount(_glfwJoysticks[joy].axes);
case GLFW_BUTTONS:
return (int) CFArrayGetCount(_glfwJoysticks[joy].buttons) + ((int) CFArrayGetCount(_glfwJoysticks[joy].hats)) * 4;
return (int) CFArrayGetCount(_glfwJoysticks[joy].buttons) +
(int) CFArrayGetCount(_glfwJoysticks[joy].hats) * 4;
default:
break;
@ -597,19 +601,28 @@ int _glfwPlatformGetJoystickButtons(int joy, unsigned char* buttons,
// Virtual buttons - Inject data from hats
// Each hat is exposed as 4 buttons which exposes 8 directions with concurrent button presses
const int directions[9] = { 1, 3, 2, 6, 4, 12, 8, 9, 0 }; // Bit fields of button presses for each direction, including nil
// Bit fields of button presses for each direction, including nil
const int directions[9] = { 1, 3, 2, 6, 4, 12, 8, 9, 0 };
for (i = 0; i < joystick.numHats; i++)
{
_glfwJoystickElement* hat = (_glfwJoystickElement*) CFArrayGetValueAtIndex(joystick.hats, i);
int value = hat->value;
if (value < 0 || value > 8) value = 8;
for (j = 0; j < 4 && button < numbuttons; j++)
const int value = hat->value;
if (value < 0 || value > 8)
value = 8;
for (j = 0; j < 4 && button < numbuttons; j++)
{
buttons[button++] = directions[value] & (1 << j) ? GLFW_PRESS : GLFW_RELEASE;
if (directions[value] & (1 << j))
buttons[button = GLFW_PRESS;
else
buttons[button = GLFW_RELEASE;
button++;
}
}
return button;
}