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Align drag thumbnail to cursor on macOS

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This commit is contained in:
zhaolei 2026-03-24 14:42:04 +08:00
parent 7038857090
commit e78b7b1a99
1 changed files with 12 additions and 1 deletions
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13
glfw/cocoa_window.m
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@ -4209,11 +4209,22 @@ set_image_for_dragging_item(NSDraggingItem *draggingItem, const GLFWimage *thumb
if (!_glfw.ns.drag_image) { [imageRep release]; return ENOMEM; }
[_glfw.ns.drag_image addRepresentation:imageRep];
[imageRep release];
if (!_glfw.ns.drag_session) {
_GLFWwindow *glfw_window = _glfwWindowForId(_glfw.drag.window_id);
if (glfw_window && glfw_window->ns.view) {
NSRect contentRect = [glfw_window->ns.view frame];
NSPoint cursor = NSMakePoint(glfw_window->virtualCursorPosX,
contentRect.size.height - glfw_window->virtualCursorPosY);
[draggingItem setDraggingFrame:NSMakeRect(cursor.x, cursor.y, pointSize.width, pointSize.height) contents:nil];
} else {
[draggingItem setDraggingFrame:NSMakeRect(0, 0, pointSize.width, pointSize.height) contents:nil];
}
}
[draggingItem setImageComponentsProvider:^NSArray<NSDraggingImageComponent *> * _Nonnull{
NSDraggingImageComponent *icon = [NSDraggingImageComponent draggingImageComponentWithKey:NSDraggingImageComponentIconKey];
NSImage *image = _glfw.ns.drag_image;
icon.contents = image;
icon.frame = NSMakeRect(pointSize.width, pointSize.height, pointSize.width, pointSize.height);
icon.frame = NSMakeRect(0, 0, pointSize.width, pointSize.height);
return @[icon];
}];
}