Add more standard cursors

This adds the standard cursors for diagonal and omnidirectional
resize/move and operation-not-allowed.  It also adds new (better?) names
for the horizontal and vertical resize/move and pointing hand cursors.

References:
 - https://developer.apple.com/documentation/appkit/nscursor
 - https://stackoverflow.com/questions/10733228/
 - https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-setsystemcursor
 - https://freedesktop.org/wiki/Specifications/cursor-spec/
 - https://tronche.com/gui/x/xlib/appendix/b/

Related to #427.
This commit is contained in:
Camilla Löwy
2019-05-07 20:40:37 +02:00
parent 80fde12fda
commit 7dbdd2e6a5
14 changed files with 393 additions and 119 deletions
+40 -14
View File
@@ -1603,23 +1603,49 @@ int _glfwPlatformCreateStandardCursor(_GLFWcursor* cursor, int shape)
{
@autoreleasepool {
if (shape == GLFW_ARROW_CURSOR)
cursor->ns.object = [NSCursor arrowCursor];
else if (shape == GLFW_IBEAM_CURSOR)
cursor->ns.object = [NSCursor IBeamCursor];
else if (shape == GLFW_CROSSHAIR_CURSOR)
cursor->ns.object = [NSCursor crosshairCursor];
else if (shape == GLFW_HAND_CURSOR)
cursor->ns.object = [NSCursor pointingHandCursor];
else if (shape == GLFW_HRESIZE_CURSOR)
cursor->ns.object = [NSCursor resizeLeftRightCursor];
else if (shape == GLFW_VRESIZE_CURSOR)
cursor->ns.object = [NSCursor resizeUpDownCursor];
SEL cursorSelector = NULL;
// HACK: Try to use a private message
if (shape == GLFW_RESIZE_EW_CURSOR)
cursorSelector = @selector(_windowResizeEastWestCursor);
else if (shape == GLFW_RESIZE_NS_CURSOR)
cursorSelector = @selector(_windowResizeNorthSouthCursor);
else if (shape == GLFW_RESIZE_NWSE_CURSOR)
cursorSelector = @selector(_windowResizeNorthWestSouthEastCursor);
else if (shape == GLFW_RESIZE_NESW_CURSOR)
cursorSelector = @selector(_windowResizeNorthEastSouthWestCursor);
if (cursorSelector && [NSCursor respondsToSelector:cursorSelector])
{
id object = [NSCursor performSelector:cursorSelector];
if ([object isKindOfClass:[NSCursor class]])
cursor->ns.object = object;
}
if (!cursor->ns.object)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Cocoa: Failed to retrieve standard cursor");
if (shape == GLFW_ARROW_CURSOR)
cursor->ns.object = [NSCursor arrowCursor];
else if (shape == GLFW_IBEAM_CURSOR)
cursor->ns.object = [NSCursor IBeamCursor];
else if (shape == GLFW_CROSSHAIR_CURSOR)
cursor->ns.object = [NSCursor crosshairCursor];
else if (shape == GLFW_POINTING_HAND_CURSOR)
cursor->ns.object = [NSCursor pointingHandCursor];
else if (shape == GLFW_RESIZE_EW_CURSOR)
cursor->ns.object = [NSCursor resizeLeftRightCursor];
else if (shape == GLFW_RESIZE_NS_CURSOR)
cursor->ns.object = [NSCursor resizeUpDownCursor];
else if (shape == GLFW_RESIZE_ALL_CURSOR)
cursor->ns.object = [NSCursor closedHandCursor];
else if (shape == GLFW_NOT_ALLOWED_CURSOR)
cursor->ns.object = [NSCursor operationNotAllowedCursor];
}
if (!cursor->ns.object)
{
_glfwInputError(GLFW_CURSOR_UNAVAILABLE,
"Cocoa: Standard cursor shape unavailable");
return GLFW_FALSE;
}