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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/x11_window.c
+57 -1
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@@ -394,7 +394,14 @@ static void disableCursor(_GLFWwindow* window)
static void restoreCursor(_GLFWwindow* window)
{
XUngrabPointer(_glfw.x11.display, CurrentTime);
XUndefineCursor(_glfw.x11.display, window->x11.handle);
if (window->cursor)
{
XDefineCursor(_glfw.x11.display, window->x11.handle,
window->cursor->x11.handle);
}
else
XUndefineCursor(_glfw.x11.display, window->x11.handle);
}
// Enter fullscreen mode
@@ -1349,6 +1356,55 @@ void _glfwPlatformApplyCursorMode(_GLFWwindow* window)
}
}
int _glfwPlatformCreateCursor(_GLFWcursor* cursor, int width, int height, int cx, int cy,
int format, const void* data)
{
XcursorImage* cursorImage;
XcursorPixel* buffer;
unsigned char* image = (unsigned char*) data;
int i, size = width * height;
cursorImage = XcursorImageCreate(width, height);
if (cursorImage == NULL)
return GL_FALSE;
cursorImage->xhot = cx;
cursorImage->yhot = cy;
buffer = cursorImage->pixels;
for (i = 0; i < size; i++, buffer++, image += 4)
*buffer = (image[3] << 24) | (image[0] << 16) | (image[1] << 8) | image[2];
cursor->x11.handle = XcursorImageLoadCursor(_glfw.x11.display, cursorImage);
XcursorImageDestroy(cursorImage);
if (cursor->x11.handle == None)
return GL_FALSE;
return GL_TRUE;
}
void _glfwPlatformDestroyCursor(_GLFWcursor* cursor)
{
XFreeCursor(_glfw.x11.display, cursor->x11.handle);
}
void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor)
{
if (window->cursorMode == GLFW_CURSOR_NORMAL)
{
if (cursor)
XDefineCursor(_glfw.x11.display, window->x11.handle, cursor->x11.handle);
else
XUndefineCursor(_glfw.x11.display, window->x11.handle);
XFlush(_glfw.x11.display);
}
}
//////////////////////////////////////////////////////////////////////////
////// GLFW native API //////