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Cleanup previous PR

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Use a single wl_surface for the drag icon. Whther it is attached to the
top level drag or not is determined based on availability.
This commit is contained in:
Kovid Goyal
2026-02-22 15:36:10 +05:30
parent accee908aa
commit b737eaad65
10 changed files with 54 additions and 67 deletions
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2
glfw/cocoa_window.m
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@@ -4214,7 +4214,7 @@ _glfwPlatformFreeDragSourceData(void) {
}
int
_glfwPlatformChangeDragImage(const GLFWimage *thumbnail, int make_toplevel) {@autoreleasepool{
_glfwPlatformChangeDragImage(const GLFWimage *thumbnail) {@autoreleasepool{
(void)make_toplevel;
if (!_glfw.ns.drag_session || !_glfw.ns.drag_view) return 0;
_GLFWwindow *window = _glfwWindowForId(_glfw.drag.window_id);

2
glfw/input.c vendored
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@@ -1166,7 +1166,7 @@ glfwStartDrag(GLFWwindow* handle, const GLFWDragSourceItem *items, size_t item_c
assert(window != NULL);
_GLFW_REQUIRE_INIT_OR_RETURN(EINVAL);
if (operations == -1) return _glfwPlatformDragDataReady(items[0].mime_type);
if (operations == -2) return _glfwPlatformChangeDragImage(thumbnail, item_count);
if (operations == -2) return _glfwPlatformChangeDragImage(thumbnail);
_glfwFreeDragSourceData();
_glfw.drag.instance_id++;
if (!items || !item_count) return 0;

2
glfw/internal.h vendored
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@@ -837,7 +837,7 @@ void _glfwFreeDragSourceData(void);
void _glfwPlatformFreeDragSourceData(void);
void _glfwInputDragSourceRequest(_GLFWwindow* window, GLFWDragEvent *ev);
int _glfwPlatformDragDataReady(const char *mime_type);
int _glfwPlatformChangeDragImage(const GLFWimage *thumbnail, int make_toplevel);
int _glfwPlatformChangeDragImage(const GLFWimage *thumbnail);
void _glfwInputColorScheme(GLFWColorScheme, bool);

2
glfw/null_window.c vendored
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@@ -542,7 +542,7 @@ _glfwPlatformStartDrag(_GLFWwindow* window, const GLFWimage* thumbnail) {
}
void _glfwPlatformFreeDragSourceData(void) {}
int _glfwPlatformDragDataReady(const char *mime_type) { (void) mime_type; return 0; }
int _glfwPlatformChangeDragImage(const GLFWimage *thumbnail, int make_toplevel) { (void)thumbnail; (void)make_toplevel; return 0; }
int _glfwPlatformChangeDragImage(const GLFWimage *thumbnail) { (void)thumbnail; return 0; }
const char** _glfwPlatformGetDropMimeTypes(GLFWDropData* drop UNUSED, int* count)
{

1
glfw/wl_platform.h vendored
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@@ -418,7 +418,6 @@ typedef struct _GLFWlibraryWayland
struct wl_surface *drag_icon;
struct wp_viewport *drag_viewport;
struct xdg_toplevel_drag_v1 *toplevel_drag;
struct wl_surface *toplevel_surface;
struct xdg_surface *toplevel_xdg_surface;
struct xdg_toplevel *toplevel_xdg_toplevel;
struct wl_buffer *toplevel_buffer;

99
glfw/wl_window.c vendored
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@@ -3083,12 +3083,12 @@ static void
drag_toplevel_xdg_surface_configure(void *data UNUSED, struct xdg_surface *surface, uint32_t serial) {
xdg_surface_ack_configure(surface, serial);
if (_glfw.wl.drag.toplevel_buffer) {
wl_surface_attach(_glfw.wl.drag.toplevel_surface, _glfw.wl.drag.toplevel_buffer, 0, 0);
wl_surface_damage(_glfw.wl.drag.toplevel_surface, 0, 0, INT32_MAX, INT32_MAX);
wl_surface_attach(_glfw.wl.drag.drag_icon, _glfw.wl.drag.toplevel_buffer, 0, 0);
wl_surface_damage(_glfw.wl.drag.drag_icon, 0, 0, INT32_MAX, INT32_MAX);
wl_buffer_destroy(_glfw.wl.drag.toplevel_buffer);
_glfw.wl.drag.toplevel_buffer = NULL;
}
if (_glfw.wl.drag.toplevel_surface) wl_surface_commit(_glfw.wl.drag.toplevel_surface);
if (_glfw.wl.drag.drag_icon) wl_surface_commit(_glfw.wl.drag.drag_icon);
}
static const struct xdg_surface_listener drag_toplevel_xdg_surface_listener = {
@@ -3226,30 +3226,8 @@ add_drag_watch(int fd) {
}
int
_glfwPlatformChangeDragImage(const GLFWimage *thumbnail, int make_toplevel) {
if (make_toplevel && _glfw.wl.drag.toplevel_drag && !_glfw.wl.drag.toplevel_surface
&& _glfw.wl.wmBase && thumbnail && thumbnail->pixels) {
_glfw.wl.drag.toplevel_surface = wl_compositor_create_surface(_glfw.wl.compositor);
if (_glfw.wl.drag.toplevel_surface) {
_glfw.wl.drag.toplevel_xdg_surface = xdg_wm_base_get_xdg_surface(
_glfw.wl.wmBase, _glfw.wl.drag.toplevel_surface);
if (_glfw.wl.drag.toplevel_xdg_surface) {
xdg_surface_add_listener(_glfw.wl.drag.toplevel_xdg_surface,
&drag_toplevel_xdg_surface_listener, NULL);
_glfw.wl.drag.toplevel_xdg_toplevel = xdg_surface_get_toplevel(
_glfw.wl.drag.toplevel_xdg_surface);
if (_glfw.wl.drag.toplevel_xdg_toplevel) {
xdg_toplevel_add_listener(_glfw.wl.drag.toplevel_xdg_toplevel,
&drag_toplevel_listener, NULL);
_glfw.wl.drag.toplevel_buffer = createShmBuffer(thumbnail, false, true);
xdg_toplevel_drag_v1_attach(_glfw.wl.drag.toplevel_drag,
_glfw.wl.drag.toplevel_xdg_toplevel, 0, 0);
wl_surface_commit(_glfw.wl.drag.toplevel_surface);
}
}
}
}
if (!_glfw.wl.drag.drag_icon || !thumbnail || !thumbnail->pixels) return 0;
_glfwPlatformChangeDragImage(const GLFWimage *thumbnail) {
if (!thumbnail || !thumbnail->pixels) return 0;
struct wl_buffer* icon_buffer = createShmBuffer(thumbnail, false, true);
if (!icon_buffer) return ENOMEM;
_GLFWwindow *window = _glfwWindowForId(_glfw.drag.window_id);
@@ -3364,12 +3342,11 @@ static const struct wl_data_source_listener drag_source_listener = {
void
_glfwPlatformFreeDragSourceData(void) {
if (_glfw.wl.drag.drag_viewport) wp_viewport_destroy(_glfw.wl.drag.drag_viewport);
if (_glfw.wl.drag.drag_icon) wl_surface_destroy(_glfw.wl.drag.drag_icon);
if (_glfw.wl.drag.toplevel_drag) xdg_toplevel_drag_v1_destroy(_glfw.wl.drag.toplevel_drag);
if (_glfw.wl.drag.toplevel_buffer) wl_buffer_destroy(_glfw.wl.drag.toplevel_buffer);
if (_glfw.wl.drag.toplevel_xdg_toplevel) xdg_toplevel_destroy(_glfw.wl.drag.toplevel_xdg_toplevel);
if (_glfw.wl.drag.toplevel_xdg_surface) xdg_surface_destroy(_glfw.wl.drag.toplevel_xdg_surface);
if (_glfw.wl.drag.toplevel_surface) wl_surface_destroy(_glfw.wl.drag.toplevel_surface);
if (_glfw.wl.drag.drag_icon) wl_surface_destroy(_glfw.wl.drag.drag_icon);
if (_glfw.wl.drag.source) wl_data_source_destroy(_glfw.wl.drag.source);
if (_glfw.wl.drag.data_requests) {
for (size_t i = 0; i < _glfw.wl.drag.count; i++) {
@@ -3416,37 +3393,49 @@ _glfwPlatformStartDrag(_GLFWwindow* window, const GLFWimage* thumbnail) {
wl_data_source_add_listener(_glfw.wl.drag.source, &drag_source_listener, NULL);
// Set up the drag icon surface if thumbnail is provided
_glfw.wl.drag.drag_icon = wl_compositor_create_surface(_glfw.wl.compositor);
if (thumbnail && thumbnail->pixels) {
_glfw.wl.drag.drag_icon = wl_compositor_create_surface(_glfw.wl.compositor);
if (!_glfw.wl.drag.drag_icon) return ENOMEM;
struct wl_buffer* icon_buffer = NULL;
if (_glfw.wl.drag.drag_icon) {
icon_buffer = createShmBuffer(thumbnail, false, true);
if (icon_buffer) {
if (_glfw.wl.wp_viewporter) {
double f_scale = _glfwWaylandWindowScale(window);
int logical_width = (int)(thumbnail->width / f_scale);
int logical_height = (int)(thumbnail->height / f_scale);
_glfw.wl.drag.drag_viewport = wp_viewporter_get_viewport(
_glfw.wl.wp_viewporter, _glfw.wl.drag.drag_icon);
wp_viewport_set_destination(_glfw.wl.drag.drag_viewport, logical_width, logical_height);
} else {
int scale = _glfwWaylandIntegerWindowScale(window);
wl_surface_set_buffer_scale(_glfw.wl.drag.drag_icon, scale);
}
wl_surface_attach(_glfw.wl.drag.drag_icon, icon_buffer, 0, 0);
wl_surface_commit(_glfw.wl.drag.drag_icon);
wl_buffer_destroy(icon_buffer);
}
icon_buffer = createShmBuffer(thumbnail, false, true);
if (!icon_buffer) return ENOMEM;
if (_glfw.wl.wp_viewporter) {
double f_scale = _glfwWaylandWindowScale(window);
int logical_width = (int)(thumbnail->width / f_scale);
int logical_height = (int)(thumbnail->height / f_scale);
_glfw.wl.drag.drag_viewport = wp_viewporter_get_viewport(
_glfw.wl.wp_viewporter, _glfw.wl.drag.drag_icon);
wp_viewport_set_destination(_glfw.wl.drag.drag_viewport, logical_width, logical_height);
} else {
int scale = _glfwWaylandIntegerWindowScale(window);
wl_surface_set_buffer_scale(_glfw.wl.drag.drag_icon, scale);
}
}
// Create xdg_toplevel_drag_v1 before starting the drag (must precede start_drag)
if (_glfw.wl.xdg_toplevel_drag_manager_v1) {
_glfw.wl.drag.toplevel_drag = xdg_toplevel_drag_manager_v1_get_xdg_toplevel_drag(
_glfw.wl.xdg_toplevel_drag_manager_v1, _glfw.wl.drag.source);
if (_glfw.wl.xdg_toplevel_drag_manager_v1) {
_glfw.wl.drag.toplevel_drag = xdg_toplevel_drag_manager_v1_get_xdg_toplevel_drag(
_glfw.wl.xdg_toplevel_drag_manager_v1, _glfw.wl.drag.source);
if (!_glfw.wl.drag.toplevel_drag) return ENOMEM;
_glfw.wl.drag.toplevel_xdg_surface = xdg_wm_base_get_xdg_surface(
_glfw.wl.wmBase, _glfw.wl.drag.drag_icon);
if (!_glfw.wl.drag.toplevel_xdg_surface) return ENOMEM;
xdg_surface_add_listener(_glfw.wl.drag.toplevel_xdg_surface,
&drag_toplevel_xdg_surface_listener, NULL);
_glfw.wl.drag.toplevel_xdg_toplevel = xdg_surface_get_toplevel(
_glfw.wl.drag.toplevel_xdg_surface);
if (!_glfw.wl.drag.toplevel_xdg_toplevel) return ENOMEM;
xdg_toplevel_add_listener(_glfw.wl.drag.toplevel_xdg_toplevel, &drag_toplevel_listener, NULL);
_glfw.wl.drag.toplevel_buffer = icon_buffer; icon_buffer = NULL;
xdg_toplevel_drag_v1_attach(_glfw.wl.drag.toplevel_drag,
_glfw.wl.drag.toplevel_xdg_toplevel, 0, 0);
} else wl_surface_attach(_glfw.wl.drag.drag_icon, icon_buffer, 0, 0);
wl_surface_commit(_glfw.wl.drag.drag_icon);
if (icon_buffer) wl_buffer_destroy(icon_buffer);
}
// Start the drag operation
wl_data_device_start_drag(_glfw.wl.dataDevice, _glfw.wl.drag.source, window->wl.surface, _glfw.wl.drag.drag_icon,
_glfw.wl.pointer_serial);
wl_data_device_start_drag(
_glfw.wl.dataDevice, _glfw.wl.drag.source, window->wl.surface,
_glfw.wl.xdg_toplevel_drag_manager_v1 ? NULL : _glfw.wl.drag.drag_icon,
_glfw.wl.pointer_serial);
return 0;
}

3
glfw/x11_window.c vendored
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@@ -4471,8 +4471,7 @@ _glfwPlatformFreeDragSourceData(void) {
}
int
_glfwPlatformChangeDragImage(const GLFWimage *thumbnail, int make_toplevel) {
(void)make_toplevel;
_glfwPlatformChangeDragImage(const GLFWimage *thumbnail) {
if (!_glfw.x11.drag.active) return 0;
if (!thumbnail || !thumbnail->pixels || thumbnail->width <= 0 || thumbnail->height <= 0) return 0;