[gtk+/broadway: 3/71] Remove X based dnd
- From: Alexander Larsson <alexl src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk+/broadway: 3/71] Remove X based dnd
- Date: Thu, 25 Nov 2010 21:15:30 +0000 (UTC)
commit dffa6e0da7a0744ea4fd6ec1c0808d8866b5cb53
Author: Alexander Larsson <alexl redhat com>
Date: Fri Nov 12 23:00:52 2010 +0100
Remove X based dnd
gdk/broadway/gdkdnd-broadway.c | 3657 +---------------------------------------
1 files changed, 7 insertions(+), 3650 deletions(-)
---
diff --git a/gdk/broadway/gdkdnd-broadway.c b/gdk/broadway/gdkdnd-broadway.c
index b10d787..e49fad2 100644
--- a/gdk/broadway/gdkdnd-broadway.c
+++ b/gdk/broadway/gdkdnd-broadway.c
@@ -37,120 +37,23 @@
#include "gdkscreen-broadway.h"
#include "gdkdisplay-broadway.h"
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/Xatom.h>
-#include <X11/extensions/shape.h>
-#include <X11/extensions/Xcomposite.h>
-
#include <string.h>
typedef struct _GdkDragContextPrivateX11 GdkDragContextPrivateX11;
-typedef enum {
- GDK_DRAG_STATUS_DRAG,
- GDK_DRAG_STATUS_MOTION_WAIT,
- GDK_DRAG_STATUS_ACTION_WAIT,
- GDK_DRAG_STATUS_DROP
-} GtkDragStatus;
-
-typedef struct {
- guint32 xid;
- gint x, y, width, height;
- gboolean mapped;
- gboolean shape_selected;
- gboolean shape_valid;
- cairo_region_t *shape;
-} GdkCacheChild;
-
-typedef struct {
- GList *children;
- GHashTable *child_hash;
- guint old_event_mask;
- GdkScreen *screen;
-} GdkWindowCache;
-
/* Structure that holds information about a drag in progress.
* this is used on both source and destination sides.
*/
struct _GdkDragContextPrivateX11 {
GdkDragContext context;
-
- Atom motif_selection;
- guint ref_count;
-
- guint16 last_x; /* Coordinates from last event */
- guint16 last_y;
- GdkDragAction old_action; /* The last action we sent to the source */
- GdkDragAction old_actions; /* The last actions we sent to the source */
- GdkDragAction xdnd_actions; /* What is currently set in XdndActionList */
-
- Window dest_xid; /* The last window we looked up */
- Window drop_xid; /* The (non-proxied) window that is receiving drops */
- guint xdnd_targets_set : 1; /* Whether we've already set XdndTypeList */
- guint xdnd_actions_set : 1; /* Whether we've already set XdndActionList */
- guint xdnd_have_actions : 1; /* Whether an XdndActionList was provided */
- guint motif_targets_set : 1; /* Whether we've already set motif initiator info */
- guint drag_status : 4; /* current status of drag */
-
- guint drop_failed : 1; /* Whether the drop was unsuccessful */
- guint version; /* Xdnd protocol version */
-
- GSList *window_caches;
- GdkDevice *device;
};
#define PRIVATE_DATA(context) ((GdkDragContextPrivateX11 *) GDK_DRAG_CONTEXT (context)->windowing_data)
-/* Forward declarations */
-
-static void gdk_window_cache_destroy (GdkWindowCache *cache);
-
-static void motif_read_target_table (GdkDisplay *display);
-
-static GdkFilterReturn motif_dnd_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data);
-
-static GdkFilterReturn xdnd_enter_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data);
-static GdkFilterReturn xdnd_leave_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data);
-static GdkFilterReturn xdnd_position_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data);
-static GdkFilterReturn xdnd_status_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data);
-static GdkFilterReturn xdnd_finished_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data);
-static GdkFilterReturn xdnd_drop_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data);
-
-static void xdnd_manage_source_filter (GdkDragContext *context,
- GdkWindow *window,
- gboolean add_filter);
-
-static void gdk_drag_context_finalize (GObject *object);
+static void gdk_drag_context_finalize (GObject *object);
static GList *contexts;
-static const struct {
- const char *atom_name;
- GdkFilterFunc func;
-} xdnd_filters[] = {
- { "XdndEnter", xdnd_enter_filter },
- { "XdndLeave", xdnd_leave_filter },
- { "XdndPosition", xdnd_position_filter },
- { "XdndStatus", xdnd_status_filter },
- { "XdndFinished", xdnd_finished_filter },
- { "XdndDrop", xdnd_drop_filter },
-};
-
G_DEFINE_TYPE (GdkDragContext, gdk_drag_context, G_TYPE_OBJECT)
static void
@@ -158,10 +61,10 @@ gdk_drag_context_init (GdkDragContext *dragcontext)
{
GdkDragContextPrivateX11 *private;
- private = G_TYPE_INSTANCE_GET_PRIVATE (dragcontext,
- GDK_TYPE_DRAG_CONTEXT,
+ private = G_TYPE_INSTANCE_GET_PRIVATE (dragcontext,
+ GDK_TYPE_DRAG_CONTEXT,
GdkDragContextPrivateX11);
-
+
dragcontext->windowing_data = private;
contexts = g_list_prepend (contexts, dragcontext);
@@ -181,27 +84,7 @@ static void
gdk_drag_context_finalize (GObject *object)
{
GdkDragContext *context = GDK_DRAG_CONTEXT (object);
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
- GSList *tmp_list;
-
- g_list_free (context->targets);
-
- if (context->source_window)
- {
- if ((context->protocol == GDK_DRAG_PROTO_XDND) &&
- !context->is_source)
- xdnd_manage_source_filter (context, context->source_window, FALSE);
-
- g_object_unref (context->source_window);
- }
-
- if (context->dest_window)
- g_object_unref (context->dest_window);
- for (tmp_list = private->window_caches; tmp_list; tmp_list = tmp_list->next)
- gdk_window_cache_destroy (tmp_list->data);
- g_slist_free (private->window_caches);
-
contexts = g_list_remove (contexts, context);
G_OBJECT_CLASS (gdk_drag_context_parent_class)->finalize (object);
@@ -234,21 +117,8 @@ void
gdk_drag_context_set_device (GdkDragContext *context,
GdkDevice *device)
{
- GdkDragContextPrivateX11 *private;
-
g_return_if_fail (GDK_IS_DRAG_CONTEXT (context));
g_return_if_fail (GDK_IS_DEVICE (device));
-
- private = PRIVATE_DATA (context);
-
- if (private->device)
- {
- g_object_unref (private->device);
- private->device = NULL;
- }
-
- if (device)
- private->device = g_object_ref (device);
}
/**
@@ -262,2896 +132,11 @@ gdk_drag_context_set_device (GdkDragContext *context,
GdkDevice *
gdk_drag_context_get_device (GdkDragContext *context)
{
- GdkDragContextPrivateX11 *private;
-
g_return_val_if_fail (GDK_IS_DRAG_CONTEXT (context), NULL);
- private = PRIVATE_DATA (context);
-
- return private->device;
-}
-
-static GdkDragContext *
-gdk_drag_context_find (GdkDisplay *display,
- gboolean is_source,
- Window source_xid,
- Window dest_xid)
-{
- GList *tmp_list = contexts;
- GdkDragContext *context;
- GdkDragContextPrivateX11 *private;
- Window context_dest_xid;
-
- while (tmp_list)
- {
- context = (GdkDragContext *)tmp_list->data;
- private = PRIVATE_DATA (context);
-
- if ((context->source_window && gdk_window_get_display (context->source_window) != display) ||
- (context->dest_window && gdk_window_get_display (context->dest_window) != display))
- continue;
-
- context_dest_xid = context->dest_window ?
- (private->drop_xid ?
- private->drop_xid :
- GDK_DRAWABLE_XID (context->dest_window)) :
- None;
-
- if ((!context->is_source == !is_source) &&
- ((source_xid == None) || (context->source_window &&
- (GDK_DRAWABLE_XID (context->source_window) == source_xid))) &&
- ((dest_xid == None) || (context_dest_xid == dest_xid)))
- return context;
-
- tmp_list = tmp_list->next;
- }
-
return NULL;
}
-static void
-precache_target_list (GdkDragContext *context)
-{
- if (context->targets)
- {
- GPtrArray *targets = g_ptr_array_new ();
- GList *tmp_list;
- int i;
-
- for (tmp_list = context->targets; tmp_list; tmp_list = tmp_list->next)
- g_ptr_array_add (targets, gdk_atom_name (GDK_POINTER_TO_ATOM (tmp_list->data)));
-
- _gdk_x11_precache_atoms (GDK_WINDOW_DISPLAY (context->source_window),
- (const gchar **)targets->pdata,
- targets->len);
-
- for (i =0; i < targets->len; i++)
- g_free (targets->pdata[i]);
-
- g_ptr_array_free (targets, TRUE);
- }
-}
-
-/* Utility functions */
-
-static void
-free_cache_child (GdkCacheChild *child,
- GdkDisplay *display)
-{
- if (child->shape)
- cairo_region_destroy (child->shape);
-
- if (child->shape_selected && display)
- {
- GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
-
- XShapeSelectInput (display_x11->xdisplay, child->xid, 0);
- }
-
- g_free (child);
-}
-
-static void
-gdk_window_cache_add (GdkWindowCache *cache,
- guint32 xid,
- gint x, gint y, gint width, gint height,
- gboolean mapped)
-{
- GdkCacheChild *child = g_new (GdkCacheChild, 1);
-
- child->xid = xid;
- child->x = x;
- child->y = y;
- child->width = width;
- child->height = height;
- child->mapped = mapped;
- child->shape_selected = FALSE;
- child->shape_valid = FALSE;
- child->shape = NULL;
-
- cache->children = g_list_prepend (cache->children, child);
- g_hash_table_insert (cache->child_hash, GUINT_TO_POINTER (xid),
- cache->children);
-}
-
-static GdkFilterReturn
-gdk_window_cache_shape_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data)
-{
- XEvent *xevent = (XEvent *)xev;
- GdkWindowCache *cache = data;
-
- GdkDisplayX11 *display = GDK_DISPLAY_X11 (gdk_screen_get_display (cache->screen));
-
- if (display->have_shapes &&
- xevent->type == display->shape_event_base + ShapeNotify)
- {
- XShapeEvent *xse = (XShapeEvent*)xevent;
- GList *node;
-
- node = g_hash_table_lookup (cache->child_hash,
- GUINT_TO_POINTER (xse->window));
- if (node)
- {
- GdkCacheChild *child = node->data;
- child->shape_valid = FALSE;
- if (child->shape)
- {
- cairo_region_destroy (child->shape);
- child->shape = NULL;
- }
- }
-
- return GDK_FILTER_REMOVE;
- }
-
- return GDK_FILTER_CONTINUE;
-}
-
-static GdkFilterReturn
-gdk_window_cache_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data)
-{
- XEvent *xevent = (XEvent *)xev;
- GdkWindowCache *cache = data;
-
- switch (xevent->type)
- {
- case CirculateNotify:
- break;
- case ConfigureNotify:
- {
- XConfigureEvent *xce = &xevent->xconfigure;
- GList *node;
-
- node = g_hash_table_lookup (cache->child_hash,
- GUINT_TO_POINTER (xce->window));
- if (node)
- {
- GdkCacheChild *child = node->data;
- child->x = xce->x;
- child->y = xce->y;
- child->width = xce->width;
- child->height = xce->height;
- if (xce->above == None && (node->next))
- {
- GList *last = g_list_last (cache->children);
- cache->children = g_list_remove_link (cache->children, node);
- last->next = node;
- node->next = NULL;
- node->prev = last;
- }
- else
- {
- GList *above_node = g_hash_table_lookup (cache->child_hash,
- GUINT_TO_POINTER (xce->above));
- if (above_node && node->next != above_node)
- {
- /* Put the window above (before in the list) above_node
- */
- cache->children = g_list_remove_link (cache->children, node);
- node->prev = above_node->prev;
- if (node->prev)
- node->prev->next = node;
- else
- cache->children = node;
- node->next = above_node;
- above_node->prev = node;
- }
- }
- }
- break;
- }
- case CreateNotify:
- {
- XCreateWindowEvent *xcwe = &xevent->xcreatewindow;
-
- if (!g_hash_table_lookup (cache->child_hash,
- GUINT_TO_POINTER (xcwe->window)))
- gdk_window_cache_add (cache, xcwe->window,
- xcwe->x, xcwe->y, xcwe->width, xcwe->height,
- FALSE);
- break;
- }
- case DestroyNotify:
- {
- XDestroyWindowEvent *xdwe = &xevent->xdestroywindow;
- GList *node;
-
- node = g_hash_table_lookup (cache->child_hash,
- GUINT_TO_POINTER (xdwe->window));
- if (node)
- {
- GdkCacheChild *child = node->data;
-
- g_hash_table_remove (cache->child_hash,
- GUINT_TO_POINTER (xdwe->window));
- cache->children = g_list_remove_link (cache->children, node);
- /* window is destroyed, no need to disable ShapeNotify */
- free_cache_child (child, NULL);
- g_list_free_1 (node);
- }
- break;
- }
- case MapNotify:
- {
- XMapEvent *xme = &xevent->xmap;
- GList *node;
-
- node = g_hash_table_lookup (cache->child_hash,
- GUINT_TO_POINTER (xme->window));
- if (node)
- {
- GdkCacheChild *child = node->data;
- child->mapped = TRUE;
- }
- break;
- }
- case ReparentNotify:
- break;
- case UnmapNotify:
- {
- XMapEvent *xume = &xevent->xmap;
- GList *node;
-
- node = g_hash_table_lookup (cache->child_hash,
- GUINT_TO_POINTER (xume->window));
- if (node)
- {
- GdkCacheChild *child = node->data;
- child->mapped = FALSE;
- }
- break;
- }
- default:
- return GDK_FILTER_CONTINUE;
- }
- return GDK_FILTER_REMOVE;
-}
-
-static GdkWindowCache *
-gdk_window_cache_new (GdkScreen *screen)
-{
- XWindowAttributes xwa;
- Display *xdisplay = GDK_SCREEN_XDISPLAY (screen);
- GdkWindow *root_window = gdk_screen_get_root_window (screen);
- GdkChildInfoX11 *children;
- guint nchildren, i;
- Window cow;
-
- GdkWindowCache *result = g_new (GdkWindowCache, 1);
-
- result->children = NULL;
- result->child_hash = g_hash_table_new (g_direct_hash, NULL);
- result->screen = screen;
-
- XGetWindowAttributes (xdisplay, GDK_WINDOW_XWINDOW (root_window), &xwa);
- result->old_event_mask = xwa.your_event_mask;
-
- if (G_UNLIKELY (!GDK_DISPLAY_X11 (GDK_SCREEN_X11 (screen)->display)->trusted_client))
- {
- GList *toplevel_windows, *list;
- GdkWindow *window;
- gint x, y, width, height;
-
- toplevel_windows = gdk_screen_get_toplevel_windows (screen);
- for (list = toplevel_windows; list; list = list->next) {
- window = GDK_WINDOW (list->data);
- gdk_window_get_geometry (window, &x, &y, &width, &height, NULL);
- gdk_window_cache_add (result, GDK_WINDOW_XID (window),
- x, y, width, height,
- gdk_window_is_visible (window));
- }
- g_list_free (toplevel_windows);
- return result;
- }
-
- XSelectInput (xdisplay, GDK_WINDOW_XWINDOW (root_window),
- result->old_event_mask | SubstructureNotifyMask);
- gdk_window_add_filter (root_window, gdk_window_cache_filter, result);
- gdk_window_add_filter (NULL, gdk_window_cache_shape_filter, result);
-
- if (!_gdk_x11_get_window_child_info (gdk_screen_get_display (screen),
- GDK_WINDOW_XWINDOW (root_window),
- FALSE, NULL,
- &children, &nchildren))
- return result;
-
- for (i = 0; i < nchildren ; i++)
- {
- gdk_window_cache_add (result, children[i].window,
- children[i].x, children[i].y, children[i].width, children[i].height,
- children[i].is_mapped);
- }
-
- g_free (children);
-
-#ifdef HAVE_XCOMPOSITE
- /*
- * Add the composite overlay window to the cache, as this can be a reasonable
- * Xdnd proxy as well.
- * This is only done when the screen is composited in order to avoid mapping
- * the COW. We assume that the CM is using the COW (which is true for pretty
- * much any CM currently in use).
- */
- if (gdk_screen_is_composited (screen))
- {
- cow = XCompositeGetOverlayWindow (xdisplay, GDK_WINDOW_XWINDOW (root_window));
- gdk_window_cache_add (result, cow, 0, 0, gdk_screen_get_width (screen), gdk_screen_get_height (screen), TRUE);
- XCompositeReleaseOverlayWindow (xdisplay, GDK_WINDOW_XWINDOW (root_window));
- }
-#endif
-
- return result;
-}
-
-static void
-gdk_window_cache_destroy (GdkWindowCache *cache)
-{
- GdkWindow *root_window = gdk_screen_get_root_window (cache->screen);
-
- XSelectInput (GDK_WINDOW_XDISPLAY (root_window),
- GDK_WINDOW_XWINDOW (root_window),
- cache->old_event_mask);
- gdk_window_remove_filter (root_window, gdk_window_cache_filter, cache);
- gdk_window_remove_filter (NULL, gdk_window_cache_shape_filter, cache);
-
- gdk_error_trap_push ();
-
- g_list_foreach (cache->children, (GFunc)free_cache_child,
- gdk_screen_get_display (cache->screen));
-
- gdk_error_trap_pop_ignored ();
-
- g_list_free (cache->children);
- g_hash_table_destroy (cache->child_hash);
-
- g_free (cache);
-}
-
-static gboolean
-is_pointer_within_shape (GdkDisplay *display,
- GdkCacheChild *child,
- gint x_pos,
- gint y_pos)
-{
- if (!child->shape_selected)
- {
- GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
-
- XShapeSelectInput (display_x11->xdisplay, child->xid, ShapeNotifyMask);
- child->shape_selected = TRUE;
- }
- if (!child->shape_valid)
- {
- GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
- cairo_region_t *input_shape;
-
- child->shape = _xwindow_get_shape (display_x11->xdisplay,
- child->xid, ShapeBounding);
-#ifdef ShapeInput
- input_shape = _xwindow_get_shape (display_x11->xdisplay,
- child->xid, ShapeInput);
- if (child->shape && input_shape)
- {
- cairo_region_intersect (child->shape, input_shape);
- cairo_region_destroy (input_shape);
- }
- else if (input_shape)
- {
- child->shape = input_shape;
- }
-#endif
-
- child->shape_valid = TRUE;
- }
-
- return child->shape == NULL ||
- cairo_region_contains_point (child->shape, x_pos, y_pos);
-}
-
-static Window
-get_client_window_at_coords_recurse (GdkDisplay *display,
- Window win,
- gboolean is_toplevel,
- gint x,
- gint y)
-{
- GdkChildInfoX11 *children;
- unsigned int nchildren;
- int i;
- gboolean found_child = FALSE;
- GdkChildInfoX11 child = { 0, };
- gboolean has_wm_state = FALSE;
-
- if (!_gdk_x11_get_window_child_info (display, win, TRUE,
- is_toplevel? &has_wm_state : NULL,
- &children, &nchildren))
- return None;
-
- if (has_wm_state)
- {
- g_free (children);
-
- return win;
- }
-
- for (i = nchildren - 1; (i >= 0) && !found_child; i--)
- {
- GdkChildInfoX11 *cur_child = &children[i];
-
- if ((cur_child->is_mapped) && (cur_child->window_class == InputOutput) &&
- (x >= cur_child->x) && (x < cur_child->x + cur_child->width) &&
- (y >= cur_child->y) && (y < cur_child->y + cur_child->height))
- {
- x -= cur_child->x;
- y -= cur_child->y;
- child = *cur_child;
- found_child = TRUE;
- }
- }
-
- g_free (children);
-
- if (found_child)
- {
- if (child.has_wm_state)
- return child.window;
- else
- return get_client_window_at_coords_recurse (display, child.window, FALSE, x, y);
- }
- else
- return None;
-}
-
-static Window
-get_client_window_at_coords (GdkWindowCache *cache,
- Window ignore,
- gint x_root,
- gint y_root)
-{
- GList *tmp_list;
- Window retval = None;
-
- gdk_error_trap_push ();
-
- tmp_list = cache->children;
-
- while (tmp_list && !retval)
- {
- GdkCacheChild *child = tmp_list->data;
-
- if ((child->xid != ignore) && (child->mapped))
- {
- if ((x_root >= child->x) && (x_root < child->x + child->width) &&
- (y_root >= child->y) && (y_root < child->y + child->height))
- {
- GdkDisplay *display = gdk_screen_get_display (cache->screen);
-
- if (!is_pointer_within_shape (display, child,
- x_root - child->x,
- y_root - child->y))
- {
- tmp_list = tmp_list->next;
- continue;
- }
-
- retval = get_client_window_at_coords_recurse (display,
- child->xid, TRUE,
- x_root - child->x,
- y_root - child->y);
- if (!retval)
- retval = child->xid;
- }
- }
- tmp_list = tmp_list->next;
- }
-
- gdk_error_trap_pop_ignored ();
-
- if (retval)
- return retval;
- else
- return GDK_WINDOW_XWINDOW (gdk_screen_get_root_window (cache->screen));
-}
-
-/*************************************************************
- ***************************** MOTIF *************************
- *************************************************************/
-
-/* values used in the message type for Motif DND */
-enum {
- XmTOP_LEVEL_ENTER,
- XmTOP_LEVEL_LEAVE,
- XmDRAG_MOTION,
- XmDROP_SITE_ENTER,
- XmDROP_SITE_LEAVE,
- XmDROP_START,
- XmDROP_FINISH,
- XmDRAG_DROP_FINISH,
- XmOPERATION_CHANGED
-};
-
-/* Values used to specify type of protocol to use */
-enum {
- XmDRAG_NONE,
- XmDRAG_DROP_ONLY,
- XmDRAG_PREFER_PREREGISTER,
- XmDRAG_PREREGISTER,
- XmDRAG_PREFER_DYNAMIC,
- XmDRAG_DYNAMIC,
- XmDRAG_PREFER_RECEIVER
-};
-
-/* Operation codes */
-enum {
- XmDROP_NOOP,
- XmDROP_MOVE = 0x01,
- XmDROP_COPY = 0x02,
- XmDROP_LINK = 0x04
-};
-
-/* Drop site status */
-enum {
- XmNO_DROP_SITE = 0x01,
- XmDROP_SITE_INVALID = 0x02,
- XmDROP_SITE_VALID = 0x03
-};
-
-/* completion status */
-enum {
- XmDROP,
- XmDROP_HELP,
- XmDROP_CANCEL,
- XmDROP_INTERRUPT
-};
-
-/* Byte swapping routines. The motif specification leaves it
- * up to us to save a few bytes in the client messages
- */
-static gchar local_byte_order = '\0';
-
-#ifdef G_ENABLE_DEBUG
-static void
-print_target_list (GList *targets)
-{
- while (targets)
- {
- gchar *name = gdk_atom_name (GDK_POINTER_TO_ATOM (targets->data));
- g_message ("\t%s", name);
- g_free (name);
- targets = targets->next;
- }
-}
-#endif /* G_ENABLE_DEBUG */
-
-static void
-init_byte_order (void)
-{
- guint32 myint = 0x01020304;
- local_byte_order = (*(gchar *)&myint == 1) ? 'B' : 'l';
-}
-
-static guint16
-card16_to_host (guint16 x, gchar byte_order) {
- if (byte_order == local_byte_order)
- return x;
- else
- return (x << 8) | (x >> 8);
-}
-
-static guint32
-card32_to_host (guint32 x, gchar byte_order) {
- if (byte_order == local_byte_order)
- return x;
- else
- return (x << 24) | ((x & 0xff00) << 8) | ((x & 0xff0000) >> 8) | (x >> 24);
-}
-
-/* Motif packs together fields of varying length into the
- * client message. We can't rely on accessing these
- * through data.s[], data.l[], etc, because on some architectures
- * (i.e., Alpha) these won't be valid for format == 8.
- */
-
-#define MOTIF_XCLIENT_BYTE(xevent,i) \
- (xevent)->xclient.data.b[i]
-#define MOTIF_XCLIENT_SHORT(xevent,i) \
- ((gint16 *)&((xevent)->xclient.data.b[0]))[i]
-#define MOTIF_XCLIENT_LONG(xevent,i) \
- ((gint32 *)&((xevent)->xclient.data.b[0]))[i]
-
-#define MOTIF_UNPACK_BYTE(xevent,i) MOTIF_XCLIENT_BYTE(xevent,i)
-#define MOTIF_UNPACK_SHORT(xevent,i) \
- card16_to_host (MOTIF_XCLIENT_SHORT(xevent,i), MOTIF_XCLIENT_BYTE(xevent, 1))
-#define MOTIF_UNPACK_LONG(xevent,i) \
- card32_to_host (MOTIF_XCLIENT_LONG(xevent,i), MOTIF_XCLIENT_BYTE(xevent, 1))
-
-/***** Dest side ***********/
-
-/* Property placed on source windows */
-typedef struct _MotifDragInitiatorInfo {
- guint8 byte_order;
- guint8 protocol_version;
- guint16 targets_index;
- guint32 selection_atom;
-} MotifDragInitiatorInfo;
-
-/* Header for target table on the drag window */
-typedef struct _MotifTargetTableHeader {
- guchar byte_order;
- guchar protocol_version;
- guint16 n_lists;
- guint32 total_size;
-} MotifTargetTableHeader;
-
-/* Property placed on target windows */
-typedef struct _MotifDragReceiverInfo {
- guint8 byte_order;
- guint8 protocol_version;
- guint8 protocol_style;
- guint8 pad;
- guint32 proxy_window;
- guint16 num_drop_sites;
- guint16 padding;
- guint32 total_size;
-} MotifDragReceiverInfo;
-
-/* Target table handling */
-
-static GdkFilterReturn
-motif_drag_window_filter (GdkXEvent *xevent,
- GdkEvent *event,
- gpointer data)
-{
- XEvent *xev = (XEvent *)xevent;
- GdkDisplay *display = GDK_WINDOW_DISPLAY (event->any.window);
- GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
-
- switch (xev->xany.type)
- {
- case DestroyNotify:
- display_x11->motif_drag_window = None;
- display_x11->motif_drag_gdk_window = NULL;
- break;
- case PropertyNotify:
- if (display_x11->motif_target_lists &&
- (xev->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (display, "_MOTIF_DRAG_TARGETS")))
- motif_read_target_table (display);
- break;
- }
- return GDK_FILTER_REMOVE;
-}
-
-static Window
-motif_lookup_drag_window (GdkDisplay *display,
- Display *lookup_xdisplay)
-{
- Window retval = None;
- gulong bytes_after, nitems;
- Atom type;
- gint format;
- guchar *data;
-
- XGetWindowProperty (lookup_xdisplay, RootWindow (lookup_xdisplay, 0),
- gdk_x11_get_xatom_by_name_for_display (display, "_MOTIF_DRAG_WINDOW"),
- 0, 1, FALSE,
- XA_WINDOW, &type, &format, &nitems, &bytes_after,
- &data);
-
- if ((format == 32) && (nitems == 1) && (bytes_after == 0))
- {
- retval = *(Window *)data;
- GDK_NOTE (DND,
- g_message ("Found drag window %#lx\n", GDK_DISPLAY_X11 (display)->motif_drag_window));
- }
-
- if (type != None)
- XFree (data);
-
- return retval;
-}
-
-/* Finds the window where global Motif drag information is stored.
- * If it doesn't exist and 'create' is TRUE, create one.
- */
-static Window
-motif_find_drag_window (GdkDisplay *display,
- gboolean create)
-{
- GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
-
- if (!display_x11->motif_drag_window)
- {
- Atom motif_drag_window_atom = gdk_x11_get_xatom_by_name_for_display (display, "_MOTIF_DRAG_WINDOW");
- display_x11->motif_drag_window = motif_lookup_drag_window (display, display_x11->xdisplay);
-
- if (!display_x11->motif_drag_window && create)
- {
- /* Create a persistant window. (Copied from LessTif) */
-
- Display *persistant_xdisplay;
- XSetWindowAttributes attr;
- persistant_xdisplay = XOpenDisplay (gdk_display_get_name (display));
- XSetCloseDownMode (persistant_xdisplay, RetainPermanent);
-
- XGrabServer (persistant_xdisplay);
-
- display_x11->motif_drag_window = motif_lookup_drag_window (display, persistant_xdisplay);
-
- if (!display_x11->motif_drag_window)
- {
- attr.override_redirect = True;
- attr.event_mask = PropertyChangeMask;
-
- display_x11->motif_drag_window =
- XCreateWindow (persistant_xdisplay,
- RootWindow (persistant_xdisplay, 0),
- -100, -100, 10, 10, 0, 0,
- InputOnly, (Visual *)CopyFromParent,
- (CWOverrideRedirect | CWEventMask), &attr);
-
- GDK_NOTE (DND,
- g_message ("Created drag window %#lx\n", display_x11->motif_drag_window));
-
- XChangeProperty (persistant_xdisplay,
- RootWindow (persistant_xdisplay, 0),
- motif_drag_window_atom, XA_WINDOW,
- 32, PropModeReplace,
- (guchar *)&motif_drag_window_atom, 1);
-
- }
- XUngrabServer (persistant_xdisplay);
- XCloseDisplay (persistant_xdisplay);
- }
-
- /* There is a miniscule race condition here if the drag window
- * gets destroyed exactly now.
- */
- if (display_x11->motif_drag_window)
- {
- display_x11->motif_drag_gdk_window =
- gdk_window_foreign_new_for_display (display, display_x11->motif_drag_window);
- gdk_window_add_filter (display_x11->motif_drag_gdk_window,
- motif_drag_window_filter,
- NULL);
- }
- }
-
- return display_x11->motif_drag_window;
-}
-
-static void
-motif_read_target_table (GdkDisplay *display)
-{
- GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
- gulong bytes_after, nitems;
- Atom type;
- gint format;
- gint i, j;
-
- Atom motif_drag_targets_atom = gdk_x11_get_xatom_by_name_for_display (display, "_MOTIF_DRAG_TARGETS");
-
- if (display_x11->motif_target_lists)
- {
- for (i=0; i<display_x11->motif_n_target_lists; i++)
- g_list_free (display_x11->motif_target_lists[i]);
-
- g_free (display_x11->motif_target_lists);
- display_x11->motif_target_lists = NULL;
- display_x11->motif_n_target_lists = 0;
- }
-
- if (motif_find_drag_window (display, FALSE))
- {
- guchar *data;
- MotifTargetTableHeader *header = NULL;
- guchar *target_bytes = NULL;
- guchar *p;
- gboolean success = FALSE;
-
- gdk_error_trap_push ();
- XGetWindowProperty (display_x11->xdisplay,
- display_x11->motif_drag_window,
- motif_drag_targets_atom,
- 0, (sizeof(MotifTargetTableHeader)+3)/4, FALSE,
- motif_drag_targets_atom,
- &type, &format, &nitems, &bytes_after,
- &data);
-
- if (gdk_error_trap_pop () || (format != 8) || (nitems < sizeof (MotifTargetTableHeader)))
- goto error;
-
- header = (MotifTargetTableHeader *)data;
-
- header->n_lists = card16_to_host (header->n_lists, header->byte_order);
- header->total_size = card32_to_host (header->total_size, header->byte_order);
-
- gdk_error_trap_push ();
- XGetWindowProperty (display_x11->xdisplay,
- display_x11->motif_drag_window,
- motif_drag_targets_atom,
- (sizeof(MotifTargetTableHeader)+3)/4,
- (header->total_size + 3)/4 - (sizeof(MotifTargetTableHeader) + 3)/4,
- FALSE,
- motif_drag_targets_atom, &type, &format, &nitems,
- &bytes_after, &target_bytes);
-
- if (gdk_error_trap_pop () || (format != 8) || (bytes_after != 0) ||
- (nitems != header->total_size - sizeof(MotifTargetTableHeader)))
- goto error;
-
- display_x11->motif_n_target_lists = header->n_lists;
- display_x11->motif_target_lists = g_new0 (GList *, display_x11->motif_n_target_lists);
-
- p = target_bytes;
- for (i=0; i<header->n_lists; i++)
- {
- gint n_targets;
- guint32 *targets;
-
- if (p + sizeof(guint16) - target_bytes > nitems)
- goto error;
-
- n_targets = card16_to_host (*(gushort *)p, header->byte_order);
-
- /* We need to make a copy of the targets, since it may
- * be unaligned
- */
- targets = g_new (guint32, n_targets);
- memcpy (targets, p + sizeof(guint16), sizeof(guint32) * n_targets);
-
- p += sizeof(guint16) + n_targets * sizeof(guint32);
- if (p - target_bytes > nitems)
- goto error;
-
- for (j=0; j<n_targets; j++)
- display_x11->motif_target_lists[i] =
- g_list_prepend (display_x11->motif_target_lists[i],
- GUINT_TO_POINTER (card32_to_host (targets[j],
- header->byte_order)));
- g_free (targets);
- display_x11->motif_target_lists[i] = g_list_reverse (display_x11->motif_target_lists[i]);
- }
-
- success = TRUE;
-
- error:
- if (header)
- XFree (header);
-
- if (target_bytes)
- XFree (target_bytes);
-
- if (!success)
- {
- if (display_x11->motif_target_lists)
- {
- g_free (display_x11->motif_target_lists);
- display_x11->motif_target_lists = NULL;
- display_x11->motif_n_target_lists = 0;
- }
- g_warning ("Error reading Motif target table\n");
- }
- }
-}
-
-static gint
-targets_sort_func (gconstpointer a, gconstpointer b)
-{
- return (GPOINTER_TO_UINT (a) < GPOINTER_TO_UINT (b)) ?
- -1 : ((GPOINTER_TO_UINT (a) > GPOINTER_TO_UINT (b)) ? 1 : 0);
-}
-
-/* Check if given (sorted) list is in the targets table */
-static gint
-motif_target_table_check (GdkDisplay *display,
- GList *sorted)
-{
- GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
- GList *tmp_list1, *tmp_list2;
- gint i;
-
- for (i=0; i<display_x11->motif_n_target_lists; i++)
- {
- tmp_list1 = display_x11->motif_target_lists[i];
- tmp_list2 = sorted;
-
- while (tmp_list1 && tmp_list2)
- {
- if (tmp_list1->data != tmp_list2->data)
- break;
-
- tmp_list1 = tmp_list1->next;
- tmp_list2 = tmp_list2->next;
- }
- if (!tmp_list1 && !tmp_list2) /* Found it */
- return i;
- }
-
- return -1;
-}
-
-static gint
-motif_add_to_target_table (GdkDisplay *display,
- GList *targets) /* targets is list of GdkAtom */
-{
- GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
- GList *sorted = NULL;
- gint index = -1;
- gint i;
- GList *tmp_list;
-
- /* make a sorted copy of the list */
-
- while (targets)
- {
- Atom xatom = gdk_x11_atom_to_xatom_for_display (display, GDK_POINTER_TO_ATOM (targets->data));
- sorted = g_list_insert_sorted (sorted, GUINT_TO_POINTER (xatom), targets_sort_func);
- targets = targets->next;
- }
-
- /* First check if it is there already */
-
- if (display_x11->motif_target_lists)
- index = motif_target_table_check (display, sorted);
-
- /* We need to grab the server while doing this, to ensure
- * atomiticity. Ugh
- */
-
- if (index < 0)
- {
- /* We need to make sure that it exists _before_ we grab the
- * server, since we can't open a new connection after we
- * grab the server.
- */
- motif_find_drag_window (display, TRUE);
-
- gdk_x11_display_grab (display);
- motif_read_target_table (display);
-
- /* Check again, in case it was added in the meantime */
-
- if (display_x11->motif_target_lists)
- index = motif_target_table_check (display, sorted);
-
- if (index < 0)
- {
- guint32 total_size = 0;
- guchar *data;
- guchar *p;
- guint16 *p16;
- MotifTargetTableHeader *header;
-
- if (!display_x11->motif_target_lists)
- {
- display_x11->motif_target_lists = g_new (GList *, 1);
- display_x11->motif_n_target_lists = 1;
- }
- else
- {
- display_x11->motif_n_target_lists++;
- display_x11->motif_target_lists = g_realloc (display_x11->motif_target_lists,
- sizeof(GList *) * display_x11->motif_n_target_lists);
- }
- display_x11->motif_target_lists[display_x11->motif_n_target_lists - 1] = sorted;
- sorted = NULL;
- index = display_x11->motif_n_target_lists - 1;
-
- total_size = sizeof (MotifTargetTableHeader);
- for (i = 0; i < display_x11->motif_n_target_lists ; i++)
- total_size += sizeof(guint16) + sizeof(guint32) * g_list_length (display_x11->motif_target_lists[i]);
-
- data = g_malloc (total_size);
-
- header = (MotifTargetTableHeader *)data;
- p = data + sizeof(MotifTargetTableHeader);
-
- header->byte_order = local_byte_order;
- header->protocol_version = 0;
- header->n_lists = display_x11->motif_n_target_lists;
- header->total_size = total_size;
-
- for (i = 0; i < display_x11->motif_n_target_lists ; i++)
- {
- guint16 n_targets = g_list_length (display_x11->motif_target_lists[i]);
- guint32 *targets = g_new (guint32, n_targets);
- guint32 *p32 = targets;
-
- tmp_list = display_x11->motif_target_lists[i];
- while (tmp_list)
- {
- *p32 = GPOINTER_TO_UINT (tmp_list->data);
-
- tmp_list = tmp_list->next;
- p32++;
- }
-
- p16 = (guint16 *)p;
- p += sizeof(guint16);
-
- memcpy (p, targets, n_targets * sizeof(guint32));
-
- *p16 = n_targets;
- p += sizeof(guint32) * n_targets;
- g_free (targets);
- }
-
- XChangeProperty (display_x11->xdisplay,
- display_x11->motif_drag_window,
- gdk_x11_get_xatom_by_name_for_display (display, "_MOTIF_DRAG_TARGETS"),
- gdk_x11_get_xatom_by_name_for_display (display, "_MOTIF_DRAG_TARGETS"),
- 8, PropModeReplace,
- data, total_size);
- }
- gdk_x11_display_ungrab (display);
- }
-
- g_list_free (sorted);
- return index;
-}
-
-/* Translate flags */
-
-static void
-motif_dnd_translate_flags (GdkDragContext *context, guint16 flags)
-{
- guint recommended_op = flags & 0x000f;
- guint possible_ops = (flags & 0x0f0) >> 4;
-
- switch (recommended_op)
- {
- case XmDROP_MOVE:
- context->suggested_action = GDK_ACTION_MOVE;
- break;
- case XmDROP_COPY:
- context->suggested_action = GDK_ACTION_COPY;
- break;
- case XmDROP_LINK:
- context->suggested_action = GDK_ACTION_LINK;
- break;
- default:
- context->suggested_action = GDK_ACTION_COPY;
- break;
- }
-
- context->actions = 0;
- if (possible_ops & XmDROP_MOVE)
- context->actions |= GDK_ACTION_MOVE;
- if (possible_ops & XmDROP_COPY)
- context->actions |= GDK_ACTION_COPY;
- if (possible_ops & XmDROP_LINK)
- context->actions |= GDK_ACTION_LINK;
-}
-
-static guint16
-motif_dnd_get_flags (GdkDragContext *context)
-{
- guint16 flags = 0;
-
- switch (context->suggested_action)
- {
- case GDK_ACTION_MOVE:
- flags = XmDROP_MOVE;
- break;
- case GDK_ACTION_COPY:
- flags = XmDROP_COPY;
- break;
- case GDK_ACTION_LINK:
- flags = XmDROP_LINK;
- break;
- default:
- flags = XmDROP_NOOP;
- break;
- }
-
- if (context->actions & GDK_ACTION_MOVE)
- flags |= XmDROP_MOVE << 8;
- if (context->actions & GDK_ACTION_COPY)
- flags |= XmDROP_COPY << 8;
- if (context->actions & GDK_ACTION_LINK)
- flags |= XmDROP_LINK << 8;
-
- return flags;
-}
-
-/* Source Side */
-
-static void
-motif_set_targets (GdkDragContext *context)
-{
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
- MotifDragInitiatorInfo info;
- gint i;
- GdkDisplay *display = GDK_WINDOW_DISPLAY (context->source_window);
-
- info.byte_order = local_byte_order;
- info.protocol_version = 0;
-
- info.targets_index = motif_add_to_target_table (display, context->targets);
-
- for (i=0; ; i++)
- {
- gchar buf[20];
- g_snprintf(buf, 20, "_GDK_SELECTION_%d", i);
-
- private->motif_selection = gdk_x11_get_xatom_by_name_for_display (display, buf);
- if (!XGetSelectionOwner (GDK_DISPLAY_XDISPLAY (display), private->motif_selection))
- break;
- }
-
- info.selection_atom = private->motif_selection;
-
- XChangeProperty (GDK_DRAWABLE_XDISPLAY (context->source_window),
- GDK_DRAWABLE_XID (context->source_window),
- private->motif_selection,
- gdk_x11_get_xatom_by_name_for_display (display, "_MOTIF_DRAG_INITIATOR_INFO"),
- 8, PropModeReplace,
- (guchar *)&info, sizeof (info));
-
- private->motif_targets_set = 1;
-}
-
-static guint32
-motif_check_dest (GdkDisplay *display,
- Window win)
-{
- gboolean retval = FALSE;
- guchar *data;
- MotifDragReceiverInfo *info;
- Atom type = None;
- int format;
- unsigned long nitems, after;
- Atom motif_drag_receiver_info_atom = gdk_x11_get_xatom_by_name_for_display (display, "_MOTIF_DRAG_RECEIVER_INFO");
-
- gdk_error_trap_push ();
- XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), win,
- motif_drag_receiver_info_atom,
- 0, (sizeof(*info)+3)/4, False, AnyPropertyType,
- &type, &format, &nitems, &after,
- &data);
-
- if (gdk_error_trap_pop() == 0)
- {
- if (type != None)
- {
- info = (MotifDragReceiverInfo *)data;
-
- if ((format == 8) && (nitems == sizeof(*info)))
- {
- if ((info->protocol_version == 0) &&
- ((info->protocol_style == XmDRAG_PREFER_PREREGISTER) ||
- (info->protocol_style == XmDRAG_PREFER_DYNAMIC) ||
- (info->protocol_style == XmDRAG_DYNAMIC)))
- retval = TRUE;
- }
- else
- {
- GDK_NOTE (DND,
- g_warning ("Invalid Motif drag receiver property on window %ld\n", win));
- }
-
- XFree (info);
- }
- }
-
- return retval ? win : None;
-}
-
-static void
-motif_send_enter (GdkDragContext *context,
- guint32 time)
-{
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
- GdkDisplay *display = GDK_WINDOW_DISPLAY (context->source_window);
- XEvent xev;
-
- if (!G_LIKELY (GDK_DISPLAY_X11 (display)->trusted_client))
- return; /* Motif Dnd requires getting properties on the root window */
-
- xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "_MOTIF_DRAG_AND_DROP_MESSAGE");
- xev.xclient.format = 8;
- xev.xclient.window = GDK_DRAWABLE_XID (context->dest_window);
-
- MOTIF_XCLIENT_BYTE (&xev, 0) = XmTOP_LEVEL_ENTER;
- MOTIF_XCLIENT_BYTE (&xev, 1) = local_byte_order;
- MOTIF_XCLIENT_SHORT (&xev, 1) = 0;
- MOTIF_XCLIENT_LONG (&xev, 1) = time;
- MOTIF_XCLIENT_LONG (&xev, 2) = GDK_DRAWABLE_XID (context->source_window);
-
- if (!private->motif_targets_set)
- motif_set_targets (context);
-
- MOTIF_XCLIENT_LONG (&xev, 3) = private->motif_selection;
- MOTIF_XCLIENT_LONG (&xev, 4) = 0;
-
- if (!_gdk_send_xevent (display,
- GDK_DRAWABLE_XID (context->dest_window),
- FALSE, 0, &xev))
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->dest_window)));
-}
-
-static void
-motif_send_leave (GdkDragContext *context,
- guint32 time)
-{
- GdkDisplay *display = GDK_WINDOW_DISPLAY (context->source_window);
- XEvent xev;
-
- xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "_MOTIF_DRAG_AND_DROP_MESSAGE");
- xev.xclient.format = 8;
- xev.xclient.window = GDK_DRAWABLE_XID (context->dest_window);
-
- MOTIF_XCLIENT_BYTE (&xev, 0) = XmTOP_LEVEL_LEAVE;
- MOTIF_XCLIENT_BYTE (&xev, 1) = local_byte_order;
- MOTIF_XCLIENT_SHORT (&xev, 1) = 0;
- MOTIF_XCLIENT_LONG (&xev, 1) = time;
- MOTIF_XCLIENT_LONG (&xev, 2) = 0;
- MOTIF_XCLIENT_LONG (&xev, 3) = 0;
- MOTIF_XCLIENT_LONG (&xev, 4) = 0;
-
- if (!_gdk_send_xevent (display,
- GDK_DRAWABLE_XID (context->dest_window),
- FALSE, 0, &xev))
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->dest_window)));
-}
-
-static gboolean
-motif_send_motion (GdkDragContext *context,
- gint x_root,
- gint y_root,
- GdkDragAction action,
- guint32 time)
-{
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
- GdkDisplay *display = GDK_WINDOW_DISPLAY (context->source_window);
- gboolean retval;
- XEvent xev;
-
- xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "_MOTIF_DRAG_AND_DROP_MESSAGE");
- xev.xclient.format = 8;
- xev.xclient.window = GDK_DRAWABLE_XID (context->dest_window);
-
- MOTIF_XCLIENT_BYTE (&xev, 1) = local_byte_order;
- MOTIF_XCLIENT_SHORT (&xev, 1) = motif_dnd_get_flags (context);
- MOTIF_XCLIENT_LONG (&xev, 1) = time;
- MOTIF_XCLIENT_LONG (&xev, 3) = 0;
- MOTIF_XCLIENT_LONG (&xev, 4) = 0;
-
- if ((context->suggested_action != private->old_action) ||
- (context->actions != private->old_actions))
- {
- MOTIF_XCLIENT_BYTE (&xev, 0) = XmOPERATION_CHANGED;
-
- /* private->drag_status = GDK_DRAG_STATUS_ACTION_WAIT; */
- retval = TRUE;
- }
- else
- {
- MOTIF_XCLIENT_BYTE (&xev, 0) = XmDRAG_MOTION;
-
- MOTIF_XCLIENT_SHORT (&xev, 4) = x_root;
- MOTIF_XCLIENT_SHORT (&xev, 5) = y_root;
-
- private->drag_status = GDK_DRAG_STATUS_MOTION_WAIT;
- retval = FALSE;
- }
-
- if (!_gdk_send_xevent (display,
- GDK_DRAWABLE_XID (context->dest_window),
- FALSE, 0, &xev))
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->dest_window)));
-
- return retval;
-}
-
-static void
-motif_send_drop (GdkDragContext *context, guint32 time)
-{
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
- GdkDisplay *display = GDK_WINDOW_DISPLAY (context->source_window);
- XEvent xev;
-
- xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "_MOTIF_DRAG_AND_DROP_MESSAGE");
- xev.xclient.format = 8;
- xev.xclient.window = GDK_DRAWABLE_XID (context->dest_window);
-
- MOTIF_XCLIENT_BYTE (&xev, 0) = XmDROP_START;
- MOTIF_XCLIENT_BYTE (&xev, 1) = local_byte_order;
- MOTIF_XCLIENT_SHORT (&xev, 1) = motif_dnd_get_flags (context);
- MOTIF_XCLIENT_LONG (&xev, 1) = time;
-
- MOTIF_XCLIENT_SHORT (&xev, 4) = private->last_x;
- MOTIF_XCLIENT_SHORT (&xev, 5) = private->last_y;
-
- MOTIF_XCLIENT_LONG (&xev, 3) = private->motif_selection;
- MOTIF_XCLIENT_LONG (&xev, 4) = GDK_DRAWABLE_XID (context->source_window);
-
- if (!_gdk_send_xevent (display,
- GDK_DRAWABLE_XID (context->dest_window),
- FALSE, 0, &xev))
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->dest_window)));
-}
-
-/* Target Side */
-
-static gboolean
-motif_read_initiator_info (GdkDisplay *display,
- Window source_window,
- Atom atom,
- GList **targets,
- Atom *selection)
-{
- GList *tmp_list;
- Atom type;
- gint format;
- gulong nitems;
- gulong bytes_after;
- guchar *data;
- MotifDragInitiatorInfo *initiator_info;
-
- GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
-
- gdk_error_trap_push ();
- XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), source_window, atom,
- 0, sizeof(*initiator_info), FALSE,
- gdk_x11_get_xatom_by_name_for_display (display, "_MOTIF_DRAG_INITIATOR_INFO"),
- &type, &format, &nitems, &bytes_after,
- &data);
-
- if (gdk_error_trap_pop () || (format != 8) || (nitems != sizeof (MotifDragInitiatorInfo)) || (bytes_after != 0))
- {
- g_warning ("Error reading initiator info\n");
- return FALSE;
- }
-
- initiator_info = (MotifDragInitiatorInfo *)data;
-
- motif_read_target_table (display);
-
- initiator_info->targets_index =
- card16_to_host (initiator_info->targets_index, initiator_info->byte_order);
- initiator_info->selection_atom =
- card32_to_host (initiator_info->selection_atom, initiator_info->byte_order);
-
- if (initiator_info->targets_index >= display_x11->motif_n_target_lists)
- {
- g_warning ("Invalid target index in TOP_LEVEL_ENTER MESSAGE");
- XFree (initiator_info);
- return FALSE;
- }
-
- tmp_list = g_list_last (display_x11->motif_target_lists[initiator_info->targets_index]);
-
- *targets = NULL;
- while (tmp_list)
- {
- GdkAtom atom = gdk_x11_xatom_to_atom_for_display (display, GPOINTER_TO_UINT (tmp_list->data));
- *targets = g_list_prepend (*targets, GDK_ATOM_TO_POINTER (atom));
- tmp_list = tmp_list->prev;
- }
-
-#ifdef G_ENABLE_DEBUG
- if (_gdk_debug_flags & GDK_DEBUG_DND)
- print_target_list (*targets);
-#endif /* G_ENABLE_DEBUG */
-
- *selection = initiator_info->selection_atom;
-
- XFree (initiator_info);
-
- return TRUE;
-}
-
-static GdkDragContext *
-motif_drag_context_new (GdkWindow *dest_window,
- guint32 timestamp,
- guint32 source_window,
- guint32 atom)
-{
- GdkDragContext *new_context;
- GdkDragContextPrivateX11 *private;
- GdkDisplay *display = GDK_WINDOW_DISPLAY (dest_window);
- GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
-
- /* FIXME, current_dest_drag really shouldn't be NULL'd
- * if we error below.
- */
- if (display_x11->current_dest_drag != NULL)
- {
- if (timestamp >= display_x11->current_dest_drag->start_time)
- {
- g_object_unref (display_x11->current_dest_drag);
- display_x11->current_dest_drag = NULL;
- }
- else
- return NULL;
- }
-
- new_context = gdk_drag_context_new ();
- private = PRIVATE_DATA (new_context);
-
- new_context->protocol = GDK_DRAG_PROTO_MOTIF;
- new_context->is_source = FALSE;
-
- new_context->source_window = gdk_window_lookup_for_display (display, source_window);
- if (new_context->source_window)
- g_object_ref (new_context->source_window);
- else
- {
- new_context->source_window = gdk_window_foreign_new_for_display (display, source_window);
- if (!new_context->source_window)
- {
- g_object_unref (new_context);
- return NULL;
- }
- }
-
- new_context->dest_window = dest_window;
- g_object_ref (dest_window);
- new_context->start_time = timestamp;
-
- if (!motif_read_initiator_info (GDK_WINDOW_DISPLAY (dest_window),
- source_window,
- atom,
- &new_context->targets,
- &private->motif_selection))
- {
- g_object_unref (new_context);
- return NULL;
- }
-
- return new_context;
-}
-
-/*
- * The MOTIF drag protocol has no real provisions for distinguishing
- * multiple simultaneous drops. If the sources grab the pointer
- * when doing drags, that shouldn't happen, in any case. If it
- * does, we can't do much except hope for the best.
- */
-
-static GdkFilterReturn
-motif_top_level_enter (GdkEvent *event,
- guint16 flags,
- guint32 timestamp,
- guint32 source_window,
- guint32 atom)
-{
- GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (GDK_WINDOW_DISPLAY (event->any.window));
- GdkDragContext *new_context;
-
- GDK_NOTE(DND, g_message ("Motif DND top level enter: flags: %#4x time: %d source_widow: %#4x atom: %d",
- flags, timestamp, source_window, atom));
-
- new_context = motif_drag_context_new (event->any.window, timestamp, source_window, atom);
- if (!new_context)
- return GDK_FILTER_REMOVE;
-
- event->dnd.type = GDK_DRAG_ENTER;
- event->dnd.context = new_context;
- g_object_ref (new_context);
-
- display_x11->current_dest_drag = new_context;
-
- return GDK_FILTER_TRANSLATE;
-}
-
-static GdkFilterReturn
-motif_top_level_leave (GdkEvent *event,
- guint16 flags,
- guint32 timestamp)
-{
- GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (GDK_WINDOW_DISPLAY (event->any.window));
-
- GDK_NOTE(DND, g_message ("Motif DND top level leave: flags: %#4x time: %d",
- flags, timestamp));
-
- if ((display_x11->current_dest_drag != NULL) &&
- (display_x11->current_dest_drag->protocol == GDK_DRAG_PROTO_MOTIF) &&
- (timestamp >= display_x11->current_dest_drag->start_time))
- {
- event->dnd.type = GDK_DRAG_LEAVE;
- /* Pass ownership of context to the event */
- event->dnd.context = display_x11->current_dest_drag;
-
- display_x11->current_dest_drag = NULL;
-
- return GDK_FILTER_TRANSLATE;
- }
- else
- return GDK_FILTER_REMOVE;
-}
-
-static GdkFilterReturn
-motif_motion (GdkEvent *event,
- guint16 flags,
- guint32 timestamp,
- gint16 x_root,
- gint16 y_root)
-{
- GdkDragContextPrivateX11 *private;
- GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (GDK_WINDOW_DISPLAY (event->any.window));
-
- GDK_NOTE(DND, g_message ("Motif DND motion: flags: %#4x time: %d (%d, %d)",
- flags, timestamp, x_root, y_root));
-
- if ((display_x11->current_dest_drag != NULL) &&
- (display_x11->current_dest_drag->protocol == GDK_DRAG_PROTO_MOTIF) &&
- (timestamp >= display_x11->current_dest_drag->start_time))
- {
- private = PRIVATE_DATA (display_x11->current_dest_drag);
-
- event->dnd.type = GDK_DRAG_MOTION;
- event->dnd.context = display_x11->current_dest_drag;
- g_object_ref (display_x11->current_dest_drag);
-
- event->dnd.time = timestamp;
-
- motif_dnd_translate_flags (display_x11->current_dest_drag, flags);
-
- event->dnd.x_root = x_root;
- event->dnd.y_root = y_root;
-
- private->last_x = x_root;
- private->last_y = y_root;
-
- private->drag_status = GDK_DRAG_STATUS_MOTION_WAIT;
-
- return GDK_FILTER_TRANSLATE;
- }
-
- return GDK_FILTER_REMOVE;
-}
-
-static GdkFilterReturn
-motif_operation_changed (GdkEvent *event,
- guint16 flags,
- guint32 timestamp)
-{
- GdkDragContextPrivateX11 *private;
- GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (GDK_WINDOW_DISPLAY (event->any.window));
- GDK_NOTE(DND, g_message ("Motif DND operation changed: flags: %#4x time: %d",
- flags, timestamp));
-
- if ((display_x11->current_dest_drag != NULL) &&
- (display_x11->current_dest_drag->protocol == GDK_DRAG_PROTO_MOTIF) &&
- (timestamp >= display_x11->current_dest_drag->start_time))
- {
- event->dnd.type = GDK_DRAG_MOTION;
- event->dnd.send_event = FALSE;
- event->dnd.context = display_x11->current_dest_drag;
- g_object_ref (display_x11->current_dest_drag);
-
- event->dnd.time = timestamp;
- private = PRIVATE_DATA (display_x11->current_dest_drag);
-
- motif_dnd_translate_flags (display_x11->current_dest_drag, flags);
-
- event->dnd.x_root = private->last_x;
- event->dnd.y_root = private->last_y;
-
- private->drag_status = GDK_DRAG_STATUS_ACTION_WAIT;
-
- return GDK_FILTER_TRANSLATE;
- }
-
- return GDK_FILTER_REMOVE;
-}
-
-static GdkFilterReturn
-motif_drop_start (GdkEvent *event,
- guint16 flags,
- guint32 timestamp,
- guint32 source_window,
- guint32 atom,
- gint16 x_root,
- gint16 y_root)
-{
- GdkDragContext *new_context;
- GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (GDK_WINDOW_DISPLAY (event->any.window));
-
- GDK_NOTE(DND, g_message ("Motif DND drop start: flags: %#4x time: %d (%d, %d) source_widow: %#4x atom: %d",
- flags, timestamp, x_root, y_root, source_window, atom));
-
- new_context = motif_drag_context_new (event->any.window, timestamp, source_window, atom);
- if (!new_context)
- return GDK_FILTER_REMOVE;
-
- motif_dnd_translate_flags (new_context, flags);
-
- event->dnd.type = GDK_DROP_START;
- event->dnd.context = new_context;
- event->dnd.time = timestamp;
- event->dnd.x_root = x_root;
- event->dnd.y_root = y_root;
-
- gdk_x11_window_set_user_time (event->any.window, timestamp);
-
- g_object_ref (new_context);
- display_x11->current_dest_drag = new_context;
-
- return GDK_FILTER_TRANSLATE;
-}
-
-static GdkFilterReturn
-motif_drag_status (GdkEvent *event,
- guint16 flags,
- guint32 timestamp)
-{
- GdkDragContext *context;
- GdkDisplay *display;
-
- GDK_NOTE (DND,
- g_message ("Motif status message: flags %x", flags));
-
- display = gdk_window_get_display (event->any.window);
- if (!display)
- return GDK_FILTER_REMOVE;
-
- context = gdk_drag_context_find (display, TRUE, GDK_DRAWABLE_XID (event->any.window), None);
-
- if (context)
- {
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
- if ((private->drag_status == GDK_DRAG_STATUS_MOTION_WAIT) ||
- (private->drag_status == GDK_DRAG_STATUS_ACTION_WAIT))
- private->drag_status = GDK_DRAG_STATUS_DRAG;
-
- event->dnd.type = GDK_DRAG_STATUS;
- event->dnd.send_event = FALSE;
- event->dnd.context = context;
- g_object_ref (context);
-
- event->dnd.time = timestamp;
-
- if ((flags & 0x00f0) >> 4 == XmDROP_SITE_VALID)
- {
- switch (flags & 0x000f)
- {
- case XmDROP_NOOP:
- context->action = 0;
- break;
- case XmDROP_MOVE:
- context->action = GDK_ACTION_MOVE;
- break;
- case XmDROP_COPY:
- context->action = GDK_ACTION_COPY;
- break;
- case XmDROP_LINK:
- context->action = GDK_ACTION_LINK;
- break;
- }
- }
- else
- context->action = 0;
-
- return GDK_FILTER_TRANSLATE;
- }
- return GDK_FILTER_REMOVE;
-}
-
-static GdkFilterReturn
-motif_dnd_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data)
-{
- XEvent *xevent = (XEvent *)xev;
-
- guint8 reason;
- guint16 flags;
- guint32 timestamp;
- guint32 source_window;
- Atom atom;
- gint16 x_root, y_root;
- gboolean is_reply;
-
- if (!event->any.window ||
- gdk_window_get_window_type (event->any.window) == GDK_WINDOW_FOREIGN)
- return GDK_FILTER_CONTINUE; /* Not for us */
-
- /* First read some fields common to all Motif DND messages */
-
- reason = MOTIF_UNPACK_BYTE (xevent, 0);
- flags = MOTIF_UNPACK_SHORT (xevent, 1);
- timestamp = MOTIF_UNPACK_LONG (xevent, 1);
-
- is_reply = ((reason & 0x80) != 0);
-
- switch (reason & 0x7f)
- {
- case XmTOP_LEVEL_ENTER:
- source_window = MOTIF_UNPACK_LONG (xevent, 2);
- atom = MOTIF_UNPACK_LONG (xevent, 3);
- return motif_top_level_enter (event, flags, timestamp, source_window, atom);
- case XmTOP_LEVEL_LEAVE:
- return motif_top_level_leave (event, flags, timestamp);
-
- case XmDRAG_MOTION:
- x_root = MOTIF_UNPACK_SHORT (xevent, 4);
- y_root = MOTIF_UNPACK_SHORT (xevent, 5);
-
- if (!is_reply)
- return motif_motion (event, flags, timestamp, x_root, y_root);
- else
- return motif_drag_status (event, flags, timestamp);
-
- case XmDROP_SITE_ENTER:
- return motif_drag_status (event, flags, timestamp);
-
- case XmDROP_SITE_LEAVE:
- return motif_drag_status (event,
- XmNO_DROP_SITE << 8 | XmDROP_NOOP,
- timestamp);
- case XmDROP_START:
- x_root = MOTIF_UNPACK_SHORT (xevent, 4);
- y_root = MOTIF_UNPACK_SHORT (xevent, 5);
- atom = MOTIF_UNPACK_LONG (xevent, 3);
- source_window = MOTIF_UNPACK_LONG (xevent, 4);
-
- if (!is_reply)
- return motif_drop_start (event, flags, timestamp, source_window, atom, x_root, y_root);
-
- break;
- case XmOPERATION_CHANGED:
- if (!is_reply)
- return motif_operation_changed (event, flags, timestamp);
- else
- return motif_drag_status (event, flags, timestamp);
-
- break;
- /* To the best of my knowledge, these next two messages are
- * not part of the protocol, though they are defined in
- * the header files.
- */
- case XmDROP_FINISH:
- case XmDRAG_DROP_FINISH:
- break;
- }
-
- return GDK_FILTER_REMOVE;
-}
-
-/*************************************************************
- ***************************** XDND **************************
- *************************************************************/
-
-/* Utility functions */
-
-static struct {
- const gchar *name;
- GdkAtom atom;
- GdkDragAction action;
-} xdnd_actions_table[] = {
- { "XdndActionCopy", None, GDK_ACTION_COPY },
- { "XdndActionMove", None, GDK_ACTION_MOVE },
- { "XdndActionLink", None, GDK_ACTION_LINK },
- { "XdndActionAsk", None, GDK_ACTION_ASK },
- { "XdndActionPrivate", None, GDK_ACTION_COPY },
- };
-
-static const gint xdnd_n_actions = sizeof(xdnd_actions_table) / sizeof(xdnd_actions_table[0]);
-static gboolean xdnd_actions_initialized = FALSE;
-
-static void
-xdnd_initialize_actions (void)
-{
- gint i;
-
- xdnd_actions_initialized = TRUE;
- for (i=0; i < xdnd_n_actions; i++)
- xdnd_actions_table[i].atom = gdk_atom_intern_static_string (xdnd_actions_table[i].name);
-}
-
-static GdkDragAction
-xdnd_action_from_atom (GdkDisplay *display,
- Atom xatom)
-{
- GdkAtom atom;
- gint i;
-
- if (xatom == None)
- return 0;
-
- atom = gdk_x11_xatom_to_atom_for_display (display, xatom);
-
- if (!xdnd_actions_initialized)
- xdnd_initialize_actions();
-
- for (i=0; i<xdnd_n_actions; i++)
- if (atom == xdnd_actions_table[i].atom)
- return xdnd_actions_table[i].action;
-
- return 0;
-}
-
-static Atom
-xdnd_action_to_atom (GdkDisplay *display,
- GdkDragAction action)
-{
- gint i;
-
- if (!xdnd_actions_initialized)
- xdnd_initialize_actions();
-
- for (i=0; i<xdnd_n_actions; i++)
- if (action == xdnd_actions_table[i].action)
- return gdk_x11_atom_to_xatom_for_display (display, xdnd_actions_table[i].atom);
-
- return None;
-}
-
-/* Source side */
-
-static GdkFilterReturn
-xdnd_status_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data)
-{
- GdkDisplay *display;
- XEvent *xevent = (XEvent *)xev;
- guint32 dest_window = xevent->xclient.data.l[0];
- guint32 flags = xevent->xclient.data.l[1];
- Atom action = xevent->xclient.data.l[4];
- GdkDragContext *context;
-
- if (!event->any.window ||
- gdk_window_get_window_type (event->any.window) == GDK_WINDOW_FOREIGN)
- return GDK_FILTER_CONTINUE; /* Not for us */
-
- GDK_NOTE (DND,
- g_message ("XdndStatus: dest_window: %#x action: %ld",
- dest_window, action));
-
- display = gdk_window_get_display (event->any.window);
- context = gdk_drag_context_find (display, TRUE, xevent->xclient.window, dest_window);
-
- if (context)
- {
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
- if (private->drag_status == GDK_DRAG_STATUS_MOTION_WAIT)
- private->drag_status = GDK_DRAG_STATUS_DRAG;
-
- event->dnd.send_event = FALSE;
- event->dnd.type = GDK_DRAG_STATUS;
- event->dnd.context = context;
- gdk_event_set_device (event, gdk_drag_context_get_device (context));
- g_object_ref (context);
-
- event->dnd.time = GDK_CURRENT_TIME; /* FIXME? */
- if (!(action != 0) != !(flags & 1))
- {
- GDK_NOTE (DND,
- g_warning ("Received status event with flags not corresponding to action!\n"));
- action = 0;
- }
-
- context->action = xdnd_action_from_atom (display, action);
-
- return GDK_FILTER_TRANSLATE;
- }
-
- return GDK_FILTER_REMOVE;
-}
-
-static GdkFilterReturn
-xdnd_finished_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data)
-{
- GdkDisplay *display;
- XEvent *xevent = (XEvent *)xev;
- guint32 dest_window = xevent->xclient.data.l[0];
- GdkDragContext *context;
- GdkDragContextPrivateX11 *private;
-
- if (!event->any.window ||
- gdk_window_get_window_type (event->any.window) == GDK_WINDOW_FOREIGN)
- return GDK_FILTER_CONTINUE; /* Not for us */
-
- GDK_NOTE (DND,
- g_message ("XdndFinished: dest_window: %#x", dest_window));
-
- display = gdk_window_get_display (event->any.window);
- context = gdk_drag_context_find (display, TRUE, xevent->xclient.window, dest_window);
-
- if (context)
- {
- private = PRIVATE_DATA (context);
- if (private->version == 5)
- private->drop_failed = xevent->xclient.data.l[1] == 0;
-
- event->dnd.type = GDK_DROP_FINISHED;
- event->dnd.context = context;
- gdk_event_set_device (event, gdk_drag_context_get_device (context));
- g_object_ref (context);
-
- event->dnd.time = GDK_CURRENT_TIME; /* FIXME? */
-
- return GDK_FILTER_TRANSLATE;
- }
-
- return GDK_FILTER_REMOVE;
-}
-
-static void
-xdnd_set_targets (GdkDragContext *context)
-{
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
- Atom *atomlist;
- GList *tmp_list = context->targets;
- gint i;
- gint n_atoms = g_list_length (context->targets);
- GdkDisplay *display = GDK_WINDOW_DISPLAY (context->source_window);
-
- atomlist = g_new (Atom, n_atoms);
- i = 0;
- while (tmp_list)
- {
- atomlist[i] = gdk_x11_atom_to_xatom_for_display (display, GDK_POINTER_TO_ATOM (tmp_list->data));
- tmp_list = tmp_list->next;
- i++;
- }
-
- XChangeProperty (GDK_DRAWABLE_XDISPLAY (context->source_window),
- GDK_DRAWABLE_XID (context->source_window),
- gdk_x11_get_xatom_by_name_for_display (display, "XdndTypeList"),
- XA_ATOM, 32, PropModeReplace,
- (guchar *)atomlist, n_atoms);
-
- g_free (atomlist);
-
- private->xdnd_targets_set = 1;
-}
-
-static void
-xdnd_set_actions (GdkDragContext *context)
-{
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
- Atom *atomlist;
- gint i;
- gint n_atoms;
- guint actions;
- GdkDisplay *display = GDK_WINDOW_DISPLAY (context->source_window);
-
- if (!xdnd_actions_initialized)
- xdnd_initialize_actions();
-
- actions = context->actions;
- n_atoms = 0;
- for (i=0; i<xdnd_n_actions; i++)
- {
- if (actions & xdnd_actions_table[i].action)
- {
- actions &= ~xdnd_actions_table[i].action;
- n_atoms++;
- }
- }
-
- atomlist = g_new (Atom, n_atoms);
-
- actions = context->actions;
- n_atoms = 0;
- for (i=0; i<xdnd_n_actions; i++)
- {
- if (actions & xdnd_actions_table[i].action)
- {
- actions &= ~xdnd_actions_table[i].action;
- atomlist[n_atoms] = gdk_x11_atom_to_xatom_for_display (display, xdnd_actions_table[i].atom);
- n_atoms++;
- }
- }
-
- XChangeProperty (GDK_DRAWABLE_XDISPLAY (context->source_window),
- GDK_DRAWABLE_XID (context->source_window),
- gdk_x11_get_xatom_by_name_for_display (display, "XdndActionList"),
- XA_ATOM, 32, PropModeReplace,
- (guchar *)atomlist, n_atoms);
-
- g_free (atomlist);
-
- private->xdnd_actions_set = TRUE;
- private->xdnd_actions = context->actions;
-}
-
-static void
-send_client_message_async_cb (Window window,
- gboolean success,
- gpointer data)
-{
- GdkDragContext *context = data;
- GDK_NOTE (DND,
- g_message ("Got async callback for #%lx, success = %d",
- window, success));
-
- /* On failure, we immediately continue with the protocol
- * so we don't end up blocking for a timeout
- */
- if (!success &&
- context->dest_window &&
- window == GDK_WINDOW_XID (context->dest_window))
- {
- GdkEvent *temp_event;
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
-
- g_object_unref (context->dest_window);
- context->dest_window = NULL;
- context->action = 0;
-
- private->drag_status = GDK_DRAG_STATUS_DRAG;
-
- temp_event = gdk_event_new (GDK_DRAG_STATUS);
- temp_event->dnd.window = g_object_ref (context->source_window);
- temp_event->dnd.send_event = TRUE;
- temp_event->dnd.context = g_object_ref (context);
- temp_event->dnd.time = GDK_CURRENT_TIME;
- gdk_event_set_device (temp_event, gdk_drag_context_get_device (context));
-
- gdk_event_put (temp_event);
-
- gdk_event_free (temp_event);
- }
-
- g_object_unref (context);
-}
-
-
-static GdkDisplay *
-gdk_drag_context_get_display (GdkDragContext *context)
-{
- if (context->source_window)
- return GDK_WINDOW_DISPLAY (context->source_window);
- else if (context->dest_window)
- return GDK_WINDOW_DISPLAY (context->dest_window);
-
- g_assert_not_reached ();
- return NULL;
-}
-
-static void
-send_client_message_async (GdkDragContext *context,
- Window window,
- gboolean propagate,
- glong event_mask,
- XClientMessageEvent *event_send)
-{
- GdkDisplay *display = gdk_drag_context_get_display (context);
-
- g_object_ref (context);
-
- _gdk_x11_send_client_message_async (display, window,
- propagate, event_mask, event_send,
- send_client_message_async_cb, context);
-}
-
-static gboolean
-xdnd_send_xevent (GdkDragContext *context,
- GdkWindow *window,
- gboolean propagate,
- XEvent *event_send)
-{
- GdkDisplay *display = gdk_drag_context_get_display (context);
- Window xwindow;
- glong event_mask;
-
- g_assert (event_send->xany.type == ClientMessage);
-
- /* We short-circuit messages to ourselves */
- if (gdk_window_get_window_type (window) != GDK_WINDOW_FOREIGN)
- {
- gint i;
-
- for (i = 0; i < G_N_ELEMENTS (xdnd_filters); i++)
- {
- if (gdk_x11_get_xatom_by_name_for_display (display, xdnd_filters[i].atom_name) ==
- event_send->xclient.message_type)
- {
- GdkEvent *temp_event;
-
- temp_event = gdk_event_new (GDK_NOTHING);
- temp_event->any.window = g_object_ref (window);
-
- if ((*xdnd_filters[i].func) (event_send, temp_event, NULL) == GDK_FILTER_TRANSLATE)
- {
- gdk_event_put (temp_event);
- gdk_event_free (temp_event);
- }
-
- return TRUE;
- }
- }
- }
-
- xwindow = GDK_WINDOW_XWINDOW (window);
-
- if (_gdk_x11_display_is_root_window (display, xwindow))
- event_mask = ButtonPressMask;
- else
- event_mask = 0;
-
- send_client_message_async (context, xwindow, propagate, event_mask,
- &event_send->xclient);
-
- return TRUE;
-}
-
-static void
-xdnd_send_enter (GdkDragContext *context)
-{
- XEvent xev;
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
- GdkDisplay *display = GDK_WINDOW_DISPLAY (context->dest_window);
-
- xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "XdndEnter");
- xev.xclient.format = 32;
- xev.xclient.window = private->drop_xid ?
- private->drop_xid :
- GDK_DRAWABLE_XID (context->dest_window);
- xev.xclient.data.l[0] = GDK_DRAWABLE_XID (context->source_window);
- xev.xclient.data.l[1] = (private->version << 24); /* version */
- xev.xclient.data.l[2] = 0;
- xev.xclient.data.l[3] = 0;
- xev.xclient.data.l[4] = 0;
-
- GDK_NOTE(DND,
- g_message ("Sending enter source window %#lx XDND protocol version %d\n",
- GDK_DRAWABLE_XID (context->source_window), private->version));
- if (g_list_length (context->targets) > 3)
- {
- if (!private->xdnd_targets_set)
- xdnd_set_targets (context);
- xev.xclient.data.l[1] |= 1;
- }
- else
- {
- GList *tmp_list = context->targets;
- gint i = 2;
-
- while (tmp_list)
- {
- xev.xclient.data.l[i] = gdk_x11_atom_to_xatom_for_display (display,
- GDK_POINTER_TO_ATOM (tmp_list->data));
- tmp_list = tmp_list->next;
- i++;
- }
- }
-
- if (!xdnd_send_xevent (context, context->dest_window,
- FALSE, &xev))
- {
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->dest_window)));
- g_object_unref (context->dest_window);
- context->dest_window = NULL;
- }
-}
-
-static void
-xdnd_send_leave (GdkDragContext *context)
-{
- GdkDisplay *display = GDK_WINDOW_DISPLAY (context->source_window);
- XEvent xev;
-
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
-
- xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "XdndLeave");
- xev.xclient.format = 32;
- xev.xclient.window = private->drop_xid ?
- private->drop_xid :
- GDK_DRAWABLE_XID (context->dest_window);
- xev.xclient.data.l[0] = GDK_DRAWABLE_XID (context->source_window);
- xev.xclient.data.l[1] = 0;
- xev.xclient.data.l[2] = 0;
- xev.xclient.data.l[3] = 0;
- xev.xclient.data.l[4] = 0;
-
- if (!xdnd_send_xevent (context, context->dest_window,
- FALSE, &xev))
- {
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->dest_window)));
- g_object_unref (context->dest_window);
- context->dest_window = NULL;
- }
-}
-
-static void
-xdnd_send_drop (GdkDragContext *context, guint32 time)
-{
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
- GdkDisplay *display = GDK_WINDOW_DISPLAY (context->source_window);
- XEvent xev;
-
- xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "XdndDrop");
- xev.xclient.format = 32;
- xev.xclient.window = private->drop_xid ?
- private->drop_xid :
- GDK_DRAWABLE_XID (context->dest_window);
- xev.xclient.data.l[0] = GDK_DRAWABLE_XID (context->source_window);
- xev.xclient.data.l[1] = 0;
- xev.xclient.data.l[2] = time;
- xev.xclient.data.l[3] = 0;
- xev.xclient.data.l[4] = 0;
-
- if (!xdnd_send_xevent (context, context->dest_window,
- FALSE, &xev))
- {
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->dest_window)));
- g_object_unref (context->dest_window);
- context->dest_window = NULL;
- }
-}
-
-static void
-xdnd_send_motion (GdkDragContext *context,
- gint x_root,
- gint y_root,
- GdkDragAction action,
- guint32 time)
-{
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
- GdkDisplay *display = GDK_WINDOW_DISPLAY (context->source_window);
- XEvent xev;
-
- xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "XdndPosition");
- xev.xclient.format = 32;
- xev.xclient.window = private->drop_xid ?
- private->drop_xid :
- GDK_DRAWABLE_XID (context->dest_window);
- xev.xclient.data.l[0] = GDK_DRAWABLE_XID (context->source_window);
- xev.xclient.data.l[1] = 0;
- xev.xclient.data.l[2] = (x_root << 16) | y_root;
- xev.xclient.data.l[3] = time;
- xev.xclient.data.l[4] = xdnd_action_to_atom (display, action);
-
- if (!xdnd_send_xevent (context, context->dest_window,
- FALSE, &xev))
- {
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->dest_window)));
- g_object_unref (context->dest_window);
- context->dest_window = NULL;
- }
- private->drag_status = GDK_DRAG_STATUS_MOTION_WAIT;
-}
-
-static guint32
-xdnd_check_dest (GdkDisplay *display,
- Window win,
- guint *xdnd_version)
-{
- gboolean retval = FALSE;
- Atom type = None;
- int format;
- unsigned long nitems, after;
- guchar *data;
- Atom *version;
- Window *proxy_data;
- Window proxy;
- Atom xdnd_proxy_atom = gdk_x11_get_xatom_by_name_for_display (display, "XdndProxy");
- Atom xdnd_aware_atom = gdk_x11_get_xatom_by_name_for_display (display, "XdndAware");
-
- proxy = None;
-
- gdk_error_trap_push ();
-
- if (XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), win,
- xdnd_proxy_atom, 0,
- 1, False, AnyPropertyType,
- &type, &format, &nitems, &after,
- &data) == Success)
- {
- if (type != None)
- {
- proxy_data = (Window *)data;
-
- if ((format == 32) && (nitems == 1))
- {
- proxy = *proxy_data;
- }
- else
- GDK_NOTE (DND,
- g_warning ("Invalid XdndProxy "
- "property on window %ld\n", win));
-
- XFree (proxy_data);
- }
-
- if ((XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), proxy ? proxy : win,
- xdnd_aware_atom, 0,
- 1, False, AnyPropertyType,
- &type, &format, &nitems, &after,
- &data) == Success) &&
- type != None)
- {
- version = (Atom *)data;
-
- if ((format == 32) && (nitems == 1))
- {
- if (*version >= 3)
- retval = TRUE;
- if (xdnd_version)
- *xdnd_version = *version;
- }
- else
- GDK_NOTE (DND,
- g_warning ("Invalid XdndAware "
- "property on window %ld\n", win));
-
- XFree (version);
- }
- }
-
- gdk_error_trap_pop_ignored ();
-
- return retval ? (proxy ? proxy : win) : None;
-}
-
-/* Target side */
-
-static void
-xdnd_read_actions (GdkDragContext *context)
-{
- GdkDisplay *display = GDK_WINDOW_DISPLAY (context->source_window);
- Atom type;
- int format;
- gulong nitems, after;
- guchar *data;
- Atom *atoms;
-
- gint i;
-
- PRIVATE_DATA (context)->xdnd_have_actions = FALSE;
-
- if (gdk_window_get_window_type (context->source_window) == GDK_WINDOW_FOREIGN)
- {
- /* Get the XdndActionList, if set */
-
- gdk_error_trap_push ();
-
- if (XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display),
- GDK_DRAWABLE_XID (context->source_window),
- gdk_x11_get_xatom_by_name_for_display (display, "XdndActionList"),
- 0, 65536,
- False, XA_ATOM, &type, &format, &nitems,
- &after, &data) == Success &&
- type == XA_ATOM)
- {
- atoms = (Atom *)data;
-
- context->actions = 0;
-
- for (i=0; i<nitems; i++)
- context->actions |= xdnd_action_from_atom (display, atoms[i]);
-
- PRIVATE_DATA (context)->xdnd_have_actions = TRUE;
-
-#ifdef G_ENABLE_DEBUG
- if (_gdk_debug_flags & GDK_DEBUG_DND)
- {
- GString *action_str = g_string_new (NULL);
- if (context->actions & GDK_ACTION_MOVE)
- g_string_append(action_str, "MOVE ");
- if (context->actions & GDK_ACTION_COPY)
- g_string_append(action_str, "COPY ");
- if (context->actions & GDK_ACTION_LINK)
- g_string_append(action_str, "LINK ");
- if (context->actions & GDK_ACTION_ASK)
- g_string_append(action_str, "ASK ");
-
- g_message("Xdnd actions = %s", action_str->str);
- g_string_free (action_str, TRUE);
- }
-#endif /* G_ENABLE_DEBUG */
-
- }
-
- if (data)
- XFree (data);
-
- gdk_error_trap_pop_ignored ();
- }
- else
- {
- /* Local drag
- */
- GdkDragContext *source_context;
-
- source_context = gdk_drag_context_find (display, TRUE,
- GDK_DRAWABLE_XID (context->source_window),
- GDK_DRAWABLE_XID (context->dest_window));
-
- if (source_context)
- {
- context->actions = source_context->actions;
- PRIVATE_DATA (context)->xdnd_have_actions = TRUE;
- }
- }
-}
-
-/* We have to make sure that the XdndActionList we keep internally
- * is up to date with the XdndActionList on the source window
- * because we get no notification, because Xdnd wasn't meant
- * to continually send actions. So we select on PropertyChangeMask
- * and add this filter.
- */
-static GdkFilterReturn
-xdnd_source_window_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer cb_data)
-{
- XEvent *xevent = (XEvent *)xev;
- GdkDragContext *context = cb_data;
- GdkDisplay *display = GDK_WINDOW_DISPLAY(event->any.window);
-
- if ((xevent->xany.type == PropertyNotify) &&
- (xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (display, "XdndActionList")))
- {
- xdnd_read_actions (context);
-
- return GDK_FILTER_REMOVE;
- }
-
- return GDK_FILTER_CONTINUE;
-}
-
-static void
-xdnd_manage_source_filter (GdkDragContext *context,
- GdkWindow *window,
- gboolean add_filter)
-{
- if (!GDK_WINDOW_DESTROYED (window) &&
- gdk_window_get_window_type (window) == GDK_WINDOW_FOREIGN)
- {
- gdk_error_trap_push ();
-
- if (add_filter)
- {
- gdk_window_set_events (window,
- gdk_window_get_events (window) |
- GDK_PROPERTY_CHANGE_MASK);
- gdk_window_add_filter (window, xdnd_source_window_filter, context);
- }
- else
- {
- gdk_window_remove_filter (window,
- xdnd_source_window_filter,
- context);
- /* Should we remove the GDK_PROPERTY_NOTIFY mask?
- * but we might want it for other reasons. (Like
- * INCR selection transactions).
- */
- }
-
- gdk_error_trap_pop_ignored ();
- }
-}
-
-static void
-base_precache_atoms (GdkDisplay *display)
-{
- GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
-
- if (!display_x11->base_dnd_atoms_precached)
- {
- static const char *const precache_atoms[] = {
- "ENLIGHTENMENT_DESKTOP",
- "WM_STATE",
- "XdndAware",
- "XdndProxy",
- "_MOTIF_DRAG_RECEIVER_INFO"
- };
-
- _gdk_x11_precache_atoms (display,
- precache_atoms, G_N_ELEMENTS (precache_atoms));
-
- display_x11->base_dnd_atoms_precached = TRUE;
- }
-}
-
-static void
-xdnd_precache_atoms (GdkDisplay *display)
-{
- GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
-
- if (!display_x11->xdnd_atoms_precached)
- {
- static const char *const precache_atoms[] = {
- "XdndActionAsk",
- "XdndActionCopy",
- "XdndActionLink",
- "XdndActionList",
- "XdndActionMove",
- "XdndActionPrivate",
- "XdndDrop",
- "XdndEnter",
- "XdndFinished",
- "XdndLeave",
- "XdndPosition",
- "XdndSelection",
- "XdndStatus",
- "XdndTypeList"
- };
-
- _gdk_x11_precache_atoms (display,
- precache_atoms, G_N_ELEMENTS (precache_atoms));
-
- display_x11->xdnd_atoms_precached = TRUE;
- }
-}
-
-static GdkFilterReturn
-xdnd_enter_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer cb_data)
-{
- GdkDeviceManager *device_manager;
- GdkDisplay *display;
- GdkDisplayX11 *display_x11;
- XEvent *xevent = (XEvent *)xev;
- GdkDragContext *new_context;
- gint i;
-
- Atom type;
- int format;
- gulong nitems, after;
- guchar *data;
- Atom *atoms;
-
- guint32 source_window;
- gboolean get_types;
- gint version;
-
- if (!event->any.window ||
- gdk_window_get_window_type (event->any.window) == GDK_WINDOW_FOREIGN)
- return GDK_FILTER_CONTINUE; /* Not for us */
-
- source_window = xevent->xclient.data.l[0];
- get_types = ((xevent->xclient.data.l[1] & 1) != 0);
- version = (xevent->xclient.data.l[1] & 0xff000000) >> 24;
-
- display = GDK_WINDOW_DISPLAY (event->any.window);
- display_x11 = GDK_DISPLAY_X11 (display);
-
- xdnd_precache_atoms (display);
-
- GDK_NOTE (DND,
- g_message ("XdndEnter: source_window: %#x, version: %#x",
- source_window, version));
-
- if (version < 3)
- {
- /* Old source ignore */
- GDK_NOTE (DND, g_message ("Ignored old XdndEnter message"));
- return GDK_FILTER_REMOVE;
- }
-
- if (display_x11->current_dest_drag != NULL)
- {
- g_object_unref (display_x11->current_dest_drag);
- display_x11->current_dest_drag = NULL;
- }
-
- new_context = gdk_drag_context_new ();
- new_context->protocol = GDK_DRAG_PROTO_XDND;
- PRIVATE_DATA(new_context)->version = version;
-
- /* FIXME: Should extend DnD protocol to have device info */
- device_manager = gdk_display_get_device_manager (display);
- gdk_drag_context_set_device (new_context, gdk_device_manager_get_client_pointer (device_manager));
-
- new_context->source_window = gdk_window_lookup_for_display (display, source_window);
- if (new_context->source_window)
- g_object_ref (new_context->source_window);
- else
- {
- new_context->source_window = gdk_window_foreign_new_for_display (display, source_window);
- if (!new_context->source_window)
- {
- g_object_unref (new_context);
- return GDK_FILTER_REMOVE;
- }
- }
- new_context->dest_window = event->any.window;
- g_object_ref (new_context->dest_window);
-
- new_context->targets = NULL;
- if (get_types)
- {
- gdk_error_trap_push ();
- XGetWindowProperty (GDK_DRAWABLE_XDISPLAY (event->any.window),
- source_window,
- gdk_x11_get_xatom_by_name_for_display (display, "XdndTypeList"),
- 0, 65536,
- False, XA_ATOM, &type, &format, &nitems,
- &after, &data);
-
- if (gdk_error_trap_pop () || (format != 32) || (type != XA_ATOM))
- {
- g_object_unref (new_context);
-
- if (data)
- XFree (data);
-
- return GDK_FILTER_REMOVE;
- }
-
- atoms = (Atom *)data;
-
- for (i=0; i<nitems; i++)
- new_context->targets =
- g_list_append (new_context->targets,
- GDK_ATOM_TO_POINTER (gdk_x11_xatom_to_atom_for_display (display,
- atoms[i])));
-
- XFree(atoms);
- }
- else
- {
- for (i=0; i<3; i++)
- if (xevent->xclient.data.l[2+i])
- new_context->targets =
- g_list_append (new_context->targets,
- GDK_ATOM_TO_POINTER (gdk_x11_xatom_to_atom_for_display (display,
- xevent->xclient.data.l[2+i])));
- }
-
-#ifdef G_ENABLE_DEBUG
- if (_gdk_debug_flags & GDK_DEBUG_DND)
- print_target_list (new_context->targets);
-#endif /* G_ENABLE_DEBUG */
-
- xdnd_manage_source_filter (new_context, new_context->source_window, TRUE);
- xdnd_read_actions (new_context);
-
- event->dnd.type = GDK_DRAG_ENTER;
- event->dnd.context = new_context;
- gdk_event_set_device (event, gdk_drag_context_get_device (new_context));
- g_object_ref (new_context);
-
- display_x11->current_dest_drag = new_context;
-
- return GDK_FILTER_TRANSLATE;
-}
-
-static GdkFilterReturn
-xdnd_leave_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data)
-{
- XEvent *xevent = (XEvent *)xev;
- guint32 source_window = xevent->xclient.data.l[0];
- GdkDisplay *display;
- GdkDisplayX11 *display_x11;
-
- if (!event->any.window ||
- gdk_window_get_window_type (event->any.window) == GDK_WINDOW_FOREIGN)
- return GDK_FILTER_CONTINUE; /* Not for us */
-
- GDK_NOTE (DND,
- g_message ("XdndLeave: source_window: %#x",
- source_window));
-
- display = GDK_WINDOW_DISPLAY (event->any.window);
- display_x11 = GDK_DISPLAY_X11 (display);
-
- xdnd_precache_atoms (display);
-
- if ((display_x11->current_dest_drag != NULL) &&
- (display_x11->current_dest_drag->protocol == GDK_DRAG_PROTO_XDND) &&
- (GDK_DRAWABLE_XID (display_x11->current_dest_drag->source_window) == source_window))
- {
- event->dnd.type = GDK_DRAG_LEAVE;
- /* Pass ownership of context to the event */
- event->dnd.context = display_x11->current_dest_drag;
- gdk_event_set_device (event, gdk_drag_context_get_device (event->dnd.context));
-
- display_x11->current_dest_drag = NULL;
-
- return GDK_FILTER_TRANSLATE;
- }
- else
- return GDK_FILTER_REMOVE;
-}
-
-static GdkFilterReturn
-xdnd_position_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data)
-{
- XEvent *xevent = (XEvent *)xev;
- guint32 source_window = xevent->xclient.data.l[0];
- gint16 x_root = xevent->xclient.data.l[2] >> 16;
- gint16 y_root = xevent->xclient.data.l[2] & 0xffff;
- guint32 time = xevent->xclient.data.l[3];
- Atom action = xevent->xclient.data.l[4];
-
- GdkDisplay *display;
- GdkDisplayX11 *display_x11;
-
- if (!event->any.window ||
- gdk_window_get_window_type (event->any.window) == GDK_WINDOW_FOREIGN)
- return GDK_FILTER_CONTINUE; /* Not for us */
-
- GDK_NOTE (DND,
- g_message ("XdndPosition: source_window: %#x position: (%d, %d) time: %d action: %ld",
- source_window, x_root, y_root, time, action));
-
- display = GDK_WINDOW_DISPLAY (event->any.window);
- display_x11 = GDK_DISPLAY_X11 (display);
-
- xdnd_precache_atoms (display);
-
- if ((display_x11->current_dest_drag != NULL) &&
- (display_x11->current_dest_drag->protocol == GDK_DRAG_PROTO_XDND) &&
- (GDK_DRAWABLE_XID (display_x11->current_dest_drag->source_window) == source_window))
- {
- event->dnd.type = GDK_DRAG_MOTION;
- event->dnd.context = display_x11->current_dest_drag;
- gdk_event_set_device (event, gdk_drag_context_get_device (event->dnd.context));
- g_object_ref (display_x11->current_dest_drag);
-
- event->dnd.time = time;
-
- display_x11->current_dest_drag->suggested_action = xdnd_action_from_atom (display, action);
-
- if (!(PRIVATE_DATA (display_x11->current_dest_drag))->xdnd_have_actions)
- display_x11->current_dest_drag->actions = display_x11->current_dest_drag->suggested_action;
-
- event->dnd.x_root = x_root;
- event->dnd.y_root = y_root;
-
- (PRIVATE_DATA (display_x11->current_dest_drag))->last_x = x_root;
- (PRIVATE_DATA (display_x11->current_dest_drag))->last_y = y_root;
-
- return GDK_FILTER_TRANSLATE;
- }
-
- return GDK_FILTER_REMOVE;
-}
-
-static GdkFilterReturn
-xdnd_drop_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data)
-{
- XEvent *xevent = (XEvent *)xev;
- guint32 source_window = xevent->xclient.data.l[0];
- guint32 time = xevent->xclient.data.l[2];
- GdkDisplay *display;
- GdkDisplayX11 *display_x11;
-
- if (!event->any.window ||
- gdk_window_get_window_type (event->any.window) == GDK_WINDOW_FOREIGN)
- return GDK_FILTER_CONTINUE; /* Not for us */
-
- GDK_NOTE (DND,
- g_message ("XdndDrop: source_window: %#x time: %d",
- source_window, time));
-
- display = GDK_WINDOW_DISPLAY (event->any.window);
- display_x11 = GDK_DISPLAY_X11 (display);
-
- xdnd_precache_atoms (display);
-
- if ((display_x11->current_dest_drag != NULL) &&
- (display_x11->current_dest_drag->protocol == GDK_DRAG_PROTO_XDND) &&
- (GDK_DRAWABLE_XID (display_x11->current_dest_drag->source_window) == source_window))
- {
- GdkDragContextPrivateX11 *private;
- private = PRIVATE_DATA (display_x11->current_dest_drag);
-
- event->dnd.type = GDK_DROP_START;
-
- event->dnd.context = display_x11->current_dest_drag;
- gdk_event_set_device (event, gdk_drag_context_get_device (event->dnd.context));
- g_object_ref (display_x11->current_dest_drag);
-
- event->dnd.time = time;
- event->dnd.x_root = private->last_x;
- event->dnd.y_root = private->last_y;
-
- gdk_x11_window_set_user_time (event->any.window, time);
-
- return GDK_FILTER_TRANSLATE;
- }
-
- return GDK_FILTER_REMOVE;
-}
-
-/*************************************************************
- ************************** Public API ***********************
- *************************************************************/
-void
-_gdk_dnd_init (GdkDisplay *display)
-{
- int i;
- init_byte_order ();
-
- gdk_display_add_client_message_filter (
- display,
- gdk_atom_intern_static_string ("_MOTIF_DRAG_AND_DROP_MESSAGE"),
- motif_dnd_filter, NULL);
-
- for (i = 0; i < G_N_ELEMENTS (xdnd_filters); i++)
- {
- gdk_display_add_client_message_filter (
- display,
- gdk_atom_intern_static_string (xdnd_filters[i].atom_name),
- xdnd_filters[i].func, NULL);
- }
-}
-
-/* Source side */
-
-static void
-gdk_drag_do_leave (GdkDragContext *context, guint32 time)
-{
- if (context->dest_window)
- {
- switch (context->protocol)
- {
- case GDK_DRAG_PROTO_MOTIF:
- motif_send_leave (context, time);
- break;
- case GDK_DRAG_PROTO_XDND:
- xdnd_send_leave (context);
- break;
- case GDK_DRAG_PROTO_ROOTWIN:
- case GDK_DRAG_PROTO_NONE:
- default:
- break;
- }
-
- g_object_unref (context->dest_window);
- context->dest_window = NULL;
- }
-}
-
/**
* gdk_drag_begin:
* @window: the source window for this drag.
@@ -3169,139 +154,15 @@ gdk_drag_begin (GdkWindow *window,
GList *targets)
{
GdkDragContext *new_context;
- GdkDisplay *display;
- GdkDevice *device;
- GdkDeviceManager *device_manager;
g_return_val_if_fail (window != NULL, NULL);
g_return_val_if_fail (GDK_WINDOW_IS_X11 (window), NULL);
new_context = gdk_drag_context_new ();
- new_context->is_source = TRUE;
- new_context->source_window = window;
- g_object_ref (window);
-
- new_context->targets = g_list_copy (targets);
- precache_target_list (new_context);
-
- new_context->actions = 0;
-
- display = gdk_window_get_display (window);
- device_manager = gdk_display_get_device_manager (display);
- device = gdk_device_manager_get_client_pointer (device_manager);
- gdk_drag_context_set_device (new_context, device);
return new_context;
}
-static GdkNativeWindow
-_gdk_drag_get_protocol_for_display (GdkDisplay *display,
- GdkNativeWindow xid,
- GdkDragProtocol *protocol,
- guint *version)
-
-{
- GdkWindow *window;
- GdkNativeWindow retval;
- g_return_val_if_fail (GDK_IS_DISPLAY (display), None);
-
- base_precache_atoms (display);
-
- /* Check for a local drag
- */
- window = gdk_window_lookup_for_display (display, xid);
- if (window &&
- gdk_window_get_window_type (window) != GDK_WINDOW_FOREIGN)
- {
- if (g_object_get_data (G_OBJECT (window), "gdk-dnd-registered") != NULL)
- {
- *protocol = GDK_DRAG_PROTO_XDND;
- *version = 5;
- xdnd_precache_atoms (display);
- GDK_NOTE (DND, g_message ("Entering local Xdnd window %#x\n", xid));
- return xid;
- }
- else if (_gdk_x11_display_is_root_window (display, (Window) xid))
- {
- *protocol = GDK_DRAG_PROTO_ROOTWIN;
- GDK_NOTE (DND, g_message ("Entering root window\n"));
- return xid;
- }
- }
- else if ((retval = xdnd_check_dest (display, xid, version)))
- {
- *protocol = GDK_DRAG_PROTO_XDND;
- xdnd_precache_atoms (display);
- GDK_NOTE (DND, g_message ("Entering Xdnd window %#x\n", xid));
- return retval;
- }
- else if ((retval = motif_check_dest (display, xid)))
- {
- *protocol = GDK_DRAG_PROTO_MOTIF;
- GDK_NOTE (DND, g_message ("Entering motif window %#x\n", xid));
- return retval;
- }
- else
- {
- /* Check if this is a root window */
-
- gboolean rootwin = FALSE;
- Atom type = None;
- int format;
- unsigned long nitems, after;
- unsigned char *data;
-
- if (_gdk_x11_display_is_root_window (display, (Window) xid))
- rootwin = TRUE;
-
- gdk_error_trap_push ();
-
- if (!rootwin)
- {
- if (XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), xid,
- gdk_x11_get_xatom_by_name_for_display (display, "ENLIGHTENMENT_DESKTOP"),
- 0, 0, False, AnyPropertyType,
- &type, &format, &nitems, &after, &data) == Success &&
- type != None)
- {
- XFree (data);
- rootwin = TRUE;
- }
- }
-
- /* Until I find out what window manager the next one is for,
- * I'm leaving it commented out. It's supported in the
- * xscreensaver sources, though.
- */
-#if 0
- if (!rootwin)
- {
- if (XGetWindowProperty (gdk_display, win,
- gdk_x11_get_xatom_by_name ("__SWM_VROOT"),
- 0, 0, False, AnyPropertyType,
- &type, &format, &nitems, &data) &&
- type != None)
- {
- XFree (data);
- rootwin = TRUE;
- }
- }
-#endif
-
- gdk_error_trap_pop_ignored ();
-
- if (rootwin)
- {
- GDK_NOTE (DND, g_message ("Entering root window\n"));
- *protocol = GDK_DRAG_PROTO_ROOTWIN;
- return xid;
- }
- }
-
- *protocol = GDK_DRAG_PROTO_NONE;
-
- return 0; /* a.k.a. None */
-}
/**
* gdk_drag_get_protocol_for_display:
@@ -3321,28 +182,7 @@ gdk_drag_get_protocol_for_display (GdkDisplay *display,
GdkNativeWindow xid,
GdkDragProtocol *protocol)
{
- return _gdk_drag_get_protocol_for_display (display, xid, protocol, NULL);
-}
-
-static GdkWindowCache *
-drag_context_find_window_cache (GdkDragContext *context,
- GdkScreen *screen)
-{
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
- GSList *tmp_list;
- GdkWindowCache *cache;
-
- for (tmp_list = private->window_caches; tmp_list; tmp_list = tmp_list->next)
- {
- cache = tmp_list->data;
- if (cache->screen == screen)
- return cache;
- }
-
- cache = gdk_window_cache_new (screen);
- private->window_caches = g_slist_prepend (private->window_caches, cache);
-
- return cache;
+ return 0;
}
/**
@@ -3373,54 +213,7 @@ gdk_drag_find_window_for_screen (GdkDragContext *context,
GdkWindow **dest_window,
GdkDragProtocol *protocol)
{
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
- GdkWindowCache *window_cache;
- GdkDisplay *display;
- Window dest;
-
g_return_if_fail (context != NULL);
-
- display = GDK_WINDOW_DISPLAY (context->source_window);
-
- window_cache = drag_context_find_window_cache (context, screen);
-
- dest = get_client_window_at_coords (window_cache,
- drag_window && GDK_WINDOW_IS_X11 (drag_window) ?
- GDK_DRAWABLE_XID (drag_window) : None,
- x_root, y_root);
-
- if (private->dest_xid != dest)
- {
- Window recipient;
- private->dest_xid = dest;
-
- /* Check if new destination accepts drags, and which protocol */
-
- /* There is some ugliness here. We actually need to pass
- * _three_ pieces of information to drag_motion - dest_window,
- * protocol, and the XID of the unproxied window. The first
- * two are passed explicitely, the third implicitly through
- * protocol->dest_xid.
- */
- if ((recipient = _gdk_drag_get_protocol_for_display (display, dest,
- protocol, &private->version)))
- {
- *dest_window = gdk_window_lookup_for_display (display, recipient);
- if (*dest_window)
- g_object_ref (*dest_window);
- else
- *dest_window = gdk_window_foreign_new_for_display (display, recipient);
- }
- else
- *dest_window = NULL;
- }
- else
- {
- *dest_window = context->dest_window;
- if (*dest_window)
- g_object_ref (*dest_window);
- *protocol = context->protocol;
- }
}
/**
@@ -3452,188 +245,9 @@ gdk_drag_motion (GdkDragContext *context,
GdkDragAction possible_actions,
guint32 time)
{
- GdkDragContextPrivateX11 *private = PRIVATE_DATA (context);
-
g_return_val_if_fail (context != NULL, FALSE);
g_return_val_if_fail (dest_window == NULL || GDK_WINDOW_IS_X11 (dest_window), FALSE);
- private->old_actions = context->actions;
- context->actions = possible_actions;
-
- if (private->old_actions != possible_actions)
- private->xdnd_actions_set = FALSE;
-
- if (protocol == GDK_DRAG_PROTO_XDND && private->version == 0)
- {
- /* This ugly hack is necessary since GTK+ doesn't know about
- * the XDND protocol version, and in particular doesn't know
- * that gdk_drag_find_window_for_screen() has the side-effect
- * of setting private->version, and therefore sometimes call
- * gdk_drag_motion() without a prior call to
- * gdk_drag_find_window_for_screen(). This happens, e.g.
- * when GTK+ is proxying DND events to embedded windows.
- */
- if (dest_window)
- {
- GdkDisplay *display = GDK_WINDOW_DISPLAY (dest_window);
-
- xdnd_check_dest (display,
- GDK_DRAWABLE_XID (dest_window),
- &private->version);
- }
- }
-
- /* When we have a Xdnd target, make sure our XdndActionList
- * matches the current actions;
- */
- if (protocol == GDK_DRAG_PROTO_XDND && !private->xdnd_actions_set)
- {
- if (dest_window)
- {
- if (gdk_window_get_window_type (dest_window) == GDK_WINDOW_FOREIGN)
- xdnd_set_actions (context);
- else if (context->dest_window == dest_window)
- {
- GdkDisplay *display = GDK_WINDOW_DISPLAY (dest_window);
- GdkDragContext *dest_context;
-
- dest_context = gdk_drag_context_find (display, FALSE,
- GDK_DRAWABLE_XID (context->source_window),
- GDK_DRAWABLE_XID (dest_window));
-
- if (dest_context)
- {
- dest_context->actions = context->actions;
- PRIVATE_DATA (dest_context)->xdnd_have_actions = TRUE;
- }
- }
- }
- }
-
- if (context->dest_window != dest_window)
- {
- GdkEvent *temp_event;
-
- /* Send a leave to the last destination */
- gdk_drag_do_leave (context, time);
- private->drag_status = GDK_DRAG_STATUS_DRAG;
-
- /* Check if new destination accepts drags, and which protocol */
-
- if (dest_window)
- {
- context->dest_window = dest_window;
- private->drop_xid = private->dest_xid;
- g_object_ref (context->dest_window);
- context->protocol = protocol;
-
- switch (protocol)
- {
- case GDK_DRAG_PROTO_MOTIF:
- motif_send_enter (context, time);
- break;
-
- case GDK_DRAG_PROTO_XDND:
- xdnd_send_enter (context);
- break;
-
- case GDK_DRAG_PROTO_ROOTWIN:
- case GDK_DRAG_PROTO_NONE:
- default:
- break;
- }
- private->old_action = suggested_action;
- context->suggested_action = suggested_action;
- private->old_actions = possible_actions;
- }
- else
- {
- context->dest_window = NULL;
- private->drop_xid = None;
- context->action = 0;
- }
-
- /* Push a status event, to let the client know that
- * the drag changed
- */
- temp_event = gdk_event_new (GDK_DRAG_STATUS);
- temp_event->dnd.window = g_object_ref (context->source_window);
- /* We use this to signal a synthetic status. Perhaps
- * we should use an extra field...
- */
- temp_event->dnd.send_event = TRUE;
-
- temp_event->dnd.context = g_object_ref (context);
- temp_event->dnd.time = time;
- gdk_event_set_device (temp_event, gdk_drag_context_get_device (context));
-
- gdk_event_put (temp_event);
- gdk_event_free (temp_event);
- }
- else
- {
- private->old_action = context->suggested_action;
- context->suggested_action = suggested_action;
- }
-
- /* Send a drag-motion event */
-
- private->last_x = x_root;
- private->last_y = y_root;
-
- if (context->dest_window)
- {
- if (private->drag_status == GDK_DRAG_STATUS_DRAG)
- {
- switch (context->protocol)
- {
- case GDK_DRAG_PROTO_MOTIF:
- motif_send_motion (context, x_root, y_root, suggested_action, time);
- break;
-
- case GDK_DRAG_PROTO_XDND:
- xdnd_send_motion (context, x_root, y_root, suggested_action, time);
- break;
-
- case GDK_DRAG_PROTO_ROOTWIN:
- {
- GdkEvent *temp_event;
- /* GTK+ traditionally has used application/x-rootwin-drop,
- * but the XDND spec specifies x-rootwindow-drop.
- */
- GdkAtom target1 = gdk_atom_intern_static_string ("application/x-rootwindow-drop");
- GdkAtom target2 = gdk_atom_intern_static_string ("application/x-rootwin-drop");
-
- if (g_list_find (context->targets,
- GDK_ATOM_TO_POINTER (target1)) ||
- g_list_find (context->targets,
- GDK_ATOM_TO_POINTER (target2)))
- context->action = context->suggested_action;
- else
- context->action = 0;
-
- temp_event = gdk_event_new (GDK_DRAG_STATUS);
- temp_event->dnd.window = g_object_ref (context->source_window);
- temp_event->dnd.send_event = FALSE;
- temp_event->dnd.context = g_object_ref (context);
- temp_event->dnd.time = time;
- gdk_event_set_device (temp_event, gdk_drag_context_get_device (context));
-
- gdk_event_put (temp_event);
- gdk_event_free (temp_event);
- }
- break;
- case GDK_DRAG_PROTO_NONE:
- g_warning ("GDK_DRAG_PROTO_NONE is not valid in gdk_drag_motion()");
- break;
- default:
- break;
- }
- }
- else
- return TRUE;
- }
-
return FALSE;
}
@@ -3651,30 +265,6 @@ gdk_drag_drop (GdkDragContext *context,
guint32 time)
{
g_return_if_fail (context != NULL);
-
- if (context->dest_window)
- {
- switch (context->protocol)
- {
- case GDK_DRAG_PROTO_MOTIF:
- motif_send_leave (context, time);
- motif_send_drop (context, time);
- break;
-
- case GDK_DRAG_PROTO_XDND:
- xdnd_send_drop (context, time);
- break;
-
- case GDK_DRAG_PROTO_ROOTWIN:
- g_warning ("Drops for GDK_DRAG_PROTO_ROOTWIN must be handled internally");
- break;
- case GDK_DRAG_PROTO_NONE:
- g_warning ("GDK_DRAG_PROTO_NONE is not valid in gdk_drag_drop()");
- break;
- default:
- break;
- }
- }
}
/**
@@ -3691,8 +281,6 @@ gdk_drag_abort (GdkDragContext *context,
guint32 time)
{
g_return_if_fail (context != NULL);
-
- gdk_drag_do_leave (context, time);
}
/* Destination side */
@@ -3714,114 +302,7 @@ gdk_drag_status (GdkDragContext *context,
GdkDragAction action,
guint32 time)
{
- GdkDragContextPrivateX11 *private;
- XEvent xev;
- GdkDisplay *display;
-
g_return_if_fail (context != NULL);
-
- private = PRIVATE_DATA (context);
- display = GDK_WINDOW_DISPLAY (context->source_window);
-
- context->action = action;
-
- if (context->protocol == GDK_DRAG_PROTO_MOTIF)
- {
- gboolean need_coords = FALSE;
-
- xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display,
- "_MOTIF_DRAG_AND_DROP_MESSAGE");
- xev.xclient.format = 8;
- xev.xclient.window = GDK_DRAWABLE_XID (context->source_window);
-
- if (private->drag_status == GDK_DRAG_STATUS_ACTION_WAIT)
- {
- MOTIF_XCLIENT_BYTE (&xev, 0) = XmOPERATION_CHANGED | 0x80;
- }
- else
- {
- if ((action != 0) != (private->old_action != 0))
- {
- if (action != 0)
- {
- MOTIF_XCLIENT_BYTE (&xev, 0) = XmDROP_SITE_ENTER | 0x80;
- need_coords = TRUE;
- }
- else
- MOTIF_XCLIENT_BYTE (&xev, 0) = XmDROP_SITE_LEAVE | 0x80;
- }
- else
- {
- MOTIF_XCLIENT_BYTE (&xev, 0) = XmDRAG_MOTION | 0x80;
- need_coords = TRUE;
- }
- }
-
- MOTIF_XCLIENT_BYTE (&xev, 1) = local_byte_order;
-
- switch (action)
- {
- case GDK_ACTION_MOVE:
- MOTIF_XCLIENT_SHORT (&xev, 1) = XmDROP_MOVE;
- break;
- case GDK_ACTION_COPY:
- MOTIF_XCLIENT_SHORT (&xev, 1) = XmDROP_COPY;
- break;
- case GDK_ACTION_LINK:
- MOTIF_XCLIENT_SHORT (&xev, 1) = XmDROP_LINK;
- break;
- default:
- MOTIF_XCLIENT_SHORT (&xev, 1) = XmDROP_NOOP;
- break;
- }
-
- if (action)
- MOTIF_XCLIENT_SHORT (&xev, 1) |= (XmDROP_SITE_VALID << 4);
- else
- MOTIF_XCLIENT_SHORT (&xev, 1) |= (XmNO_DROP_SITE << 4);
-
- MOTIF_XCLIENT_LONG (&xev, 1) = time;
-
- if (need_coords)
- {
- MOTIF_XCLIENT_SHORT (&xev, 4) = private->last_x;
- MOTIF_XCLIENT_SHORT (&xev, 5) = private->last_y;
- }
- else
- MOTIF_XCLIENT_LONG (&xev, 2) = 0;
-
- MOTIF_XCLIENT_LONG (&xev, 3) = 0;
- MOTIF_XCLIENT_LONG (&xev, 4) = 0;
-
- if (!_gdk_send_xevent (display,
- GDK_DRAWABLE_XID (context->source_window),
- FALSE, 0, &xev))
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->source_window)));
- }
- else if (context->protocol == GDK_DRAG_PROTO_XDND)
- {
- xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "XdndStatus");
- xev.xclient.format = 32;
- xev.xclient.window = GDK_DRAWABLE_XID (context->source_window);
-
- xev.xclient.data.l[0] = GDK_DRAWABLE_XID (context->dest_window);
- xev.xclient.data.l[1] = (action != 0) ? (2 | 1) : 0;
- xev.xclient.data.l[2] = 0;
- xev.xclient.data.l[3] = 0;
- xev.xclient.data.l[4] = xdnd_action_to_atom (display, action);
-
- if (!xdnd_send_xevent (context, context->source_window,
- FALSE, &xev))
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->source_window)));
- }
-
- private->old_action = action;
}
/**
@@ -3840,44 +321,7 @@ gdk_drop_reply (GdkDragContext *context,
gboolean ok,
guint32 time)
{
- GdkDragContextPrivateX11 *private;
-
g_return_if_fail (context != NULL);
-
- private = PRIVATE_DATA (context);
-
- if (context->protocol == GDK_DRAG_PROTO_MOTIF)
- {
- GdkDisplay *display = GDK_WINDOW_DISPLAY (context->source_window);
- XEvent xev;
-
- xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display,
- "_MOTIF_DRAG_AND_DROP_MESSAGE");
- xev.xclient.format = 8;
-
- MOTIF_XCLIENT_BYTE (&xev, 0) = XmDROP_START | 0x80;
- MOTIF_XCLIENT_BYTE (&xev, 1) = local_byte_order;
- if (ok)
- MOTIF_XCLIENT_SHORT (&xev, 1) = XmDROP_COPY |
- (XmDROP_SITE_VALID << 4) |
- (XmDROP_NOOP << 8) |
- (XmDROP << 12);
- else
- MOTIF_XCLIENT_SHORT (&xev, 1) = XmDROP_NOOP |
- (XmNO_DROP_SITE << 4) |
- (XmDROP_NOOP << 8) |
- (XmDROP_CANCEL << 12);
- MOTIF_XCLIENT_SHORT (&xev, 2) = private->last_x;
- MOTIF_XCLIENT_SHORT (&xev, 3) = private->last_y;
- MOTIF_XCLIENT_LONG (&xev, 2) = 0;
- MOTIF_XCLIENT_LONG (&xev, 3) = 0;
- MOTIF_XCLIENT_LONG (&xev, 4) = 0;
-
- _gdk_send_xevent (display,
- GDK_DRAWABLE_XID (context->source_window),
- FALSE, 0, &xev);
- }
}
/**
@@ -3896,38 +340,6 @@ gdk_drop_finish (GdkDragContext *context,
guint32 time)
{
g_return_if_fail (context != NULL);
-
- if (context->protocol == GDK_DRAG_PROTO_XDND)
- {
- GdkDisplay *display = GDK_WINDOW_DISPLAY (context->source_window);
- XEvent xev;
-
- xev.xclient.type = ClientMessage;
- xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "XdndFinished");
- xev.xclient.format = 32;
- xev.xclient.window = GDK_DRAWABLE_XID (context->source_window);
-
- xev.xclient.data.l[0] = GDK_DRAWABLE_XID (context->dest_window);
- if (success)
- {
- xev.xclient.data.l[1] = 1;
- xev.xclient.data.l[2] = xdnd_action_to_atom (display,
- context->action);
- }
- else
- {
- xev.xclient.data.l[1] = 0;
- xev.xclient.data.l[2] = None;
- }
- xev.xclient.data.l[3] = 0;
- xev.xclient.data.l[4] = 0;
-
- if (!xdnd_send_xevent (context, context->source_window,
- FALSE, &xev))
- GDK_NOTE (DND,
- g_message ("Send event to %lx failed",
- GDK_DRAWABLE_XID (context->source_window)));
- }
}
@@ -3940,51 +352,6 @@ gdk_drop_finish (GdkDragContext *context,
void
gdk_window_register_dnd (GdkWindow *window)
{
- static const gulong xdnd_version = 5;
- MotifDragReceiverInfo info;
- Atom motif_drag_receiver_info_atom;
- GdkDisplay *display = gdk_window_get_display (window);
-
- g_return_if_fail (window != NULL);
-
- if (gdk_window_get_window_type (window) == GDK_WINDOW_OFFSCREEN)
- return;
-
- base_precache_atoms (display);
-
- if (g_object_get_data (G_OBJECT (window), "gdk-dnd-registered") != NULL)
- return;
- else
- g_object_set_data (G_OBJECT (window), "gdk-dnd-registered", GINT_TO_POINTER (TRUE));
-
- /* Set Motif drag receiver information property */
-
- motif_drag_receiver_info_atom = gdk_x11_get_xatom_by_name_for_display (display,
- "_MOTIF_DRAG_RECEIVER_INFO");
- /* initialize to zero to avoid writing uninitialized data to socket */
- memset(&info, 0, sizeof(info));
- info.byte_order = local_byte_order;
- info.protocol_version = 0;
- info.protocol_style = XmDRAG_DYNAMIC;
- info.proxy_window = None;
- info.num_drop_sites = 0;
- info.total_size = sizeof(info);
-
- XChangeProperty (GDK_DISPLAY_XDISPLAY (display), GDK_DRAWABLE_XID (window),
- motif_drag_receiver_info_atom,
- motif_drag_receiver_info_atom,
- 8, PropModeReplace,
- (guchar *)&info,
- sizeof (info));
-
- /* Set XdndAware */
-
- /* The property needs to be of type XA_ATOM, not XA_INTEGER. Blech */
- XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
- GDK_DRAWABLE_XID (window),
- gdk_x11_get_xatom_by_name_for_display (display, "XdndAware"),
- XA_ATOM, 32, PropModeReplace,
- (guchar *)&xdnd_version, 1);
}
/**
@@ -4000,13 +367,7 @@ gdk_drag_get_selection (GdkDragContext *context)
{
g_return_val_if_fail (context != NULL, GDK_NONE);
- if (context->protocol == GDK_DRAG_PROTO_MOTIF)
- return gdk_x11_xatom_to_atom_for_display (GDK_WINDOW_DISPLAY (context->source_window),
- (PRIVATE_DATA (context))->motif_selection);
- else if (context->protocol == GDK_DRAG_PROTO_XDND)
- return gdk_atom_intern_static_string ("XdndSelection");
- else
- return GDK_NONE;
+ return GDK_NONE;
}
/**
@@ -4025,11 +386,7 @@ gdk_drag_get_selection (GdkDragContext *context)
gboolean
gdk_drag_drop_succeeded (GdkDragContext *context)
{
- GdkDragContextPrivateX11 *private;
-
g_return_val_if_fail (context != NULL, FALSE);
- private = PRIVATE_DATA (context);
-
- return !private->drop_failed;
+ return FALSE;
}
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