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Added support for custom system cursors.

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This adds 3 functions to the GLFW API: glfwCreateCursor,
glfwDestroyCursor and glfwSetCursor.
This commit is contained in:
urraka
2013-12-04 10:19:22 -03:00
committed by Camilla Berglund
parent 30f86286f5
commit 40c04a7565
14 changed files with 836 additions and 12 deletions
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src/cocoa_window.m
+63 -1
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@@ -44,7 +44,12 @@ static void centerCursor(_GLFWwindow *window)
static void setModeCursor(_GLFWwindow* window)
{
if (window->cursorMode == GLFW_CURSOR_NORMAL)
[[NSCursor arrowCursor] set];
{
if (window->cursor)
[(NSCursor*) window->cursor->ns.handle set];
else
[[NSCursor arrowCursor] set];
}
else
[(NSCursor*) _glfw.ns.cursor set];
}
@@ -556,11 +561,13 @@ static int translateKey(unsigned int key)
- (void)mouseExited:(NSEvent *)event
{
window->ns.cursorInside = GL_FALSE;
_glfwInputCursorEnter(window, GL_FALSE);
}
- (void)mouseEntered:(NSEvent *)event
{
window->ns.cursorInside = GL_TRUE;
_glfwInputCursorEnter(window, GL_TRUE);
}
@@ -1194,6 +1201,61 @@ void _glfwPlatformApplyCursorMode(_GLFWwindow* window)
CGAssociateMouseAndMouseCursorPosition(true);
}
int _glfwPlatformCreateCursor(_GLFWcursor* cursor, int width, int height, int cx, int cy,
int format, const void* data)
{
NSImage* image;
NSBitmapImageRep* rep;
rep = [[NSBitmapImageRep alloc]
initWithBitmapDataPlanes:NULL
pixelsWide:width
pixelsHigh:height
bitsPerSample:8
samplesPerPixel:4
hasAlpha:YES
isPlanar:NO
colorSpaceName:NSCalibratedRGBColorSpace
bitmapFormat:NSAlphaNonpremultipliedBitmapFormat
bytesPerRow:width * 4
bitsPerPixel:32];
if (rep == nil)
return GL_FALSE;
memcpy([rep bitmapData], data, 4 * width * height);
image = [[NSImage alloc] initWithSize:NSMakeSize(width, height)];
[image addRepresentation: rep];
cursor->ns.handle = [[NSCursor alloc] initWithImage:image
hotSpot:NSMakePoint(cx, cy)];
[image release];
[rep release];
if (cursor->ns.handle == nil)
return GL_FALSE;
return GL_TRUE;
}
void _glfwPlatformDestroyCursor(_GLFWcursor* cursor)
{
[(NSCursor*) cursor->ns.handle release];
}
void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor)
{
if (window->cursorMode == GLFW_CURSOR_NORMAL && window->ns.cursorInside)
{
if (cursor)
[(NSCursor*) cursor->ns.handle set];
else
[[NSCursor arrowCursor] set];
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////