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Refactor drag API to make it asynchronous

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Fixes #9477
This commit is contained in:
copilot-swe-agent[bot]
2026-02-05 15:00:53 +00:00
committed by Kovid Goyal
parent a7b8e880c9
commit 5ea35cbbfc
12 changed files with 856 additions and 271 deletions
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17
glfw/internal.h vendored
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@@ -106,6 +106,17 @@ struct GLFWDropData {
int x11_version; // Xdnd protocol version (X11)
};
// Drag source data structure for chunked writing of drag data
// Lifetime is managed by the backend - freed on end of data, error, drag cancellation, or exit
struct GLFWDragSourceData {
GLFWid window_id; // ID of window that initiated the drag (use _glfwWindowForId to get pointer)
char* mime_type; // MIME type being sent (owned, copied from request)
int write_fd; // File descriptor for writing data (Wayland/X11), -1 if not used
bool finished; // Whether data sending is complete (EOF or error)
int error_code; // POSIX error code if an error occurred, 0 otherwise
void* platform_data; // Platform-specific data
};
typedef void (* _GLFWmakecontextcurrentfun)(_GLFWwindow*);
typedef void (* _GLFWswapbuffersfun)(_GLFWwindow*);
typedef void (* _GLFWswapintervalfun)(int);
@@ -502,6 +513,7 @@ struct _GLFWwindow
GLFWdropfun drop;
GLFWliveresizefun liveResize;
GLFWdragfun drag;
GLFWdragsourcefun dragSource;
} callbacks;
// This is defined in the window API's platform.h
@@ -788,7 +800,9 @@ void _glfwPlatformSetWindowOpacity(_GLFWwindow* window, float opacity);
void _glfwPlatformUpdateIMEState(_GLFWwindow *w, const GLFWIMEUpdateEvent *ev);
void _glfwPlatformChangeCursorTheme(void);
int _glfwPlatformStartDrag(_GLFWwindow* window, const GLFWdragitem* items, int item_count, const GLFWimage* thumbnail, GLFWDragOperationType operation);
int _glfwPlatformStartDrag(_GLFWwindow* window, const char* const* mime_types, int mime_count, const GLFWimage* thumbnail, int operations);
ssize_t _glfwPlatformSendDragData(GLFWDragSourceData* source_data, const void* data, size_t size);
void _glfwPlatformCancelDrag(_GLFWwindow* window);
void _glfwPlatformUpdateDragState(_GLFWwindow* window);
void _glfwPlatformPollEvents(void);
@@ -845,6 +859,7 @@ void _glfwInputCursorPos(_GLFWwindow* window, double xpos, double ypos);
void _glfwInputCursorEnter(_GLFWwindow* window, bool entered);
void _glfwInputDrop(_GLFWwindow* window, GLFWDropData* drop);
int _glfwInputDragEvent(_GLFWwindow* window, int event, double xpos, double ypos, const char** mime_types, int* mime_count);
void _glfwInputDragSourceRequest(_GLFWwindow* window, const char* mime_type, GLFWDragSourceData* source_data);
// Platform functions for drop data reading
const char** _glfwPlatformGetDropMimeTypes(GLFWDropData* drop, int* count);