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Implement source_actions for X11 and cocoa DnD backends

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Co-authored-by: kovidgoyal <1308621+kovidgoyal@users.noreply.github.com>
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copilot-swe-agent[bot] 2026-05-14 05:46:21 +00:00 • committed by GitHub
parent 6d4371f596
commit 077f402bee
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4 changed files with 33 additions and 0 deletions
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10
glfw/cocoa_window.m
View file

@ -1581,6 +1581,11 @@ reset_drop_copy_mimes(_GLFWDropData *d) {
window->ns.drop_data.mimes = mime_array;
window->ns.drop_data.mimes_count = mime_count;
bool from_self = ([sender draggingSource] != nil);
NSDragOperation src_ops = [sender draggingSourceOperationMask];
window->drop_operation.source_actions = GLFW_DRAG_OPERATION_NONE;
if (src_ops & NSDragOperationCopy) window->drop_operation.source_actions |= GLFW_DRAG_OPERATION_COPY;
if (src_ops & NSDragOperationMove) window->drop_operation.source_actions |= GLFW_DRAG_OPERATION_MOVE;
if (src_ops & NSDragOperationGeneric) window->drop_operation.source_actions |= GLFW_DRAG_OPERATION_GENERIC;
_GLFWDropData *d = &window->ns.drop_data;
if (reset_drop_copy_mimes(d)) {
size_t accepted_count = _glfwInputDropEvent(window, GLFW_DROP_ENTER, xpos, ypos, d->copy_mimes, d->copy_mimes_count, from_self);
@ -1598,6 +1603,11 @@ reset_drop_copy_mimes(_GLFWDropData *d) {
double ypos = contentRect.size.height - pos.y;
bool from_self = ([sender draggingSource] != nil);
NSDragOperation src_ops = [sender draggingSourceOperationMask];
window->drop_operation.source_actions = GLFW_DRAG_OPERATION_NONE;
if (src_ops & NSDragOperationCopy) window->drop_operation.source_actions |= GLFW_DRAG_OPERATION_COPY;
if (src_ops & NSDragOperationMove) window->drop_operation.source_actions |= GLFW_DRAG_OPERATION_MOVE;
if (src_ops & NSDragOperationGeneric) window->drop_operation.source_actions |= GLFW_DRAG_OPERATION_GENERIC;
_GLFWDropData *d = &window->ns.drop_data;
if (reset_drop_copy_mimes(d)) {
size_t accepted_count = _glfwInputDropEvent(window, GLFW_DROP_MOVE, xpos, ypos, d->copy_mimes, d->copy_mimes_count, from_self);

2
glfw/x11_init.c vendored
View file

@ -520,6 +520,8 @@ static bool initExtensions(void)
_glfw.x11.XdndFinished = XInternAtom(_glfw.x11.display, "XdndFinished", False);
_glfw.x11.XdndSelection = XInternAtom(_glfw.x11.display, "XdndSelection", False);
_glfw.x11.XdndTypeList = XInternAtom(_glfw.x11.display, "XdndTypeList", False);
_glfw.x11.XdndActionList = XInternAtom(_glfw.x11.display, "XdndActionList", False);
_glfw.x11.XdndActionAsk = XInternAtom(_glfw.x11.display, "XdndActionAsk", False);
_glfw.x11.XdndLeave = XInternAtom(_glfw.x11.display, "XdndLeave", False);
_glfw.x11.XdndProxy = XInternAtom(_glfw.x11.display, "XdndProxy", False);

2
glfw/x11_platform.h vendored
View file

@ -327,6 +327,8 @@ typedef struct _GLFWlibraryX11
Atom XdndFinished;
Atom XdndSelection;
Atom XdndTypeList;
Atom XdndActionList;
Atom XdndActionAsk;
Atom XdndLeave;
Atom XdndProxy;

19
glfw/x11_window.c vendored
View file

@ -1691,6 +1691,24 @@ _glfwPlatformEndDrop(GLFWwindow *w, GLFWDragOperationType op) {
}
static void
update_drop_source_actions(_GLFWwindow *window) {
window->drop_operation.source_actions = GLFW_DRAG_OPERATION_NONE;
Atom *actions = NULL;
unsigned long count = _glfwGetWindowPropertyX11(dnd.source, _glfw.x11.XdndActionList, XA_ATOM, (unsigned char**)&actions);
if (actions) {
for (unsigned long i = 0; i < count; i++) {
if (actions[i] == _glfw.x11.XdndActionCopy) window->drop_operation.source_actions |= GLFW_DRAG_OPERATION_COPY;
else if (actions[i] == _glfw.x11.XdndActionMove) window->drop_operation.source_actions |= GLFW_DRAG_OPERATION_MOVE;
else if (actions[i] == _glfw.x11.XdndActionAsk) window->drop_operation.source_actions |= GLFW_DRAG_OPERATION_GENERIC;
}
XFree(actions);
} else {
// XdndActionList not present; default to copy only
window->drop_operation.source_actions = GLFW_DRAG_OPERATION_COPY;
}
}
static void
drop_start(_GLFWwindow *window, XEvent *event) {
// A drag operation has entered the window
@ -1703,6 +1721,7 @@ drop_start(_GLFWwindow *window, XEvent *event) {
dnd.format_priority = 0;
update_dnd_mimes(event);
dnd.from_self = _glfw.x11.drag.source_window != None && dnd.source == _glfw.x11.drag.source_window;
update_drop_source_actions(window);
// Position is not known yet at enter time, will be updated with XdndPosition
if (reset_dnd_copy_mimes()) {
size_t accepted_count = _glfwInputDropEvent(