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#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <string.h>
#include "gdkx.h"
#include "gdk.h"
/* Nothing much here now, but we have to make a start some time ;-) */
void
gdk_dnd_set_drag_cursors(GdkCursor *default_cursor, GdkCursor *goahead_cursor)
{
gdk_dnd.c->gdk_cursor_dragdefault =
((GdkCursorPrivate *)default_cursor)->xcursor;
gdk_dnd.c->gdk_cursor_dragok = ((GdkCursorPrivate *)goahead_cursor)->xcursor;
if(gdk_dnd.dnd_grabbed)
{
if(gdk_dnd.c->drag_pm_default)
/* We were displaying pixmaps for the drag */
{
gdk_window_hide(gdk_dnd.c->drag_pm_default);
gdk_window_unref(gdk_dnd.c->drag_pm_default);
if(gdk_dnd.c->drag_pm_ok)
{
gdk_window_hide(gdk_dnd.c->drag_pm_ok);
gdk_window_unref(gdk_dnd.c->drag_pm_ok);
}
gdk_dnd.c->drag_pm_default = gdk_dnd.c->drag_pm_ok = NULL;
g_list_free(gdk_dnd.c->xids);
gdk_dnd.c->xids = NULL;
}
gdk_dnd_display_drag_cursor(-1, -1,
gdk_dnd.dnd_drag_target?TRUE:FALSE,
TRUE);
}
}
void
gdk_dnd_set_drag_shape(GdkWindow *default_pixmapwin,
GdkPoint *default_hotspot,
GdkWindow *goahead_pixmapwin,
GdkPoint *goahead_hotspot)
{
g_return_if_fail(default_pixmapwin != NULL);
g_list_free(gdk_dnd.c->xids); gdk_dnd.c->xids = NULL;
if(gdk_dnd.c->drag_pm_default)
{
gdk_window_hide(gdk_dnd.c->drag_pm_default);
gdk_window_unref(gdk_dnd.c->drag_pm_default);
}
if(gdk_dnd.c->drag_pm_ok)
{
gdk_window_hide(gdk_dnd.c->drag_pm_ok);
gdk_window_unref(gdk_dnd.c->drag_pm_ok);
}
gdk_dnd.c->drag_pm_ok = NULL;
gdk_window_ref(default_pixmapwin);
gdk_dnd.c->drag_pm_default = default_pixmapwin;
gdk_dnd.c->default_hotspot = *default_hotspot;
gdk_dnd.c->xids = g_list_append(gdk_dnd.c->xids, (gpointer)(glong)((GdkWindowPrivate *)default_pixmapwin)->xwindow);
if(goahead_pixmapwin)
{
gdk_window_ref(goahead_pixmapwin);
gdk_dnd.c->xids = g_list_append(gdk_dnd.c->xids, (gpointer)(glong)((GdkWindowPrivate *)goahead_pixmapwin)->xwindow);
gdk_dnd.c->drag_pm_ok = goahead_pixmapwin;
gdk_dnd.c->ok_hotspot = *goahead_hotspot;
}
if(gdk_dnd.dnd_grabbed)
{
gdk_dnd_display_drag_cursor(-1, -1,
gdk_dnd.dnd_drag_target?TRUE:FALSE,
TRUE);
XChangeActivePointerGrab (gdk_display,
ButtonMotionMask |
ButtonPressMask |
ButtonReleaseMask |
EnterWindowMask | LeaveWindowMask,
None,
CurrentTime);
}
}
void
gdk_dnd_display_drag_cursor(gint x, gint y, gboolean drag_ok,
gboolean change_made)
{
if(!gdk_dnd.dnd_grabbed)
return;
if(gdk_dnd.c->drag_pm_default)
{
/* We're doing pixmaps here... */
GdkWindow *mypix, *opix;
GdkPoint *myhotspot;
gint itmp;
guint masktmp;
Window wtmp;
if(x == -2 && y == -2) /* Hide the cursors */
{
gdk_window_hide(gdk_dnd.c->drag_pm_ok);
gdk_window_hide(gdk_dnd.c->drag_pm_default);
GDK_NOTE(DND, g_print("Hiding both drag cursors\n"));
return;
}
if(x == -1 && y == -1) /* We're supposed to find it out for ourselves */
XQueryPointer(gdk_display, gdk_root_window,
&wtmp, &wtmp, &x, &y, &itmp, &itmp, &masktmp);
if(drag_ok)
{
GDK_NOTE(DND, g_print("Switching to drag_ok cursor\n"));
mypix = gdk_dnd.c->drag_pm_ok;
opix = gdk_dnd.c->drag_pm_default;
myhotspot = &gdk_dnd.c->ok_hotspot;
}
else
{
GDK_NOTE(DND, g_print("Switching to drag_default cursor\n"));
mypix = gdk_dnd.c->drag_pm_default;
opix = gdk_dnd.c->drag_pm_ok;
myhotspot = &gdk_dnd.c->default_hotspot;
}
gdk_window_move(mypix, x - myhotspot->x, y - myhotspot->y);
if(change_made)
{
GDK_NOTE(DND, g_print("Cursors switched, hide & show\n"));
gdk_window_hide(opix);
}
gdk_window_move(mypix, x - myhotspot->x, y - myhotspot->y);
if (change_made)
{
gdk_window_show(mypix); /* There ought to be a way to know if
a window is already mapped etc. */
}
}
else if(change_made)
{
Cursor c;
/* Move cursors around */
if(drag_ok)
c = gdk_dnd.c->gdk_cursor_dragok;
else
c = gdk_dnd.c->gdk_cursor_dragdefault;
XChangeActivePointerGrab (gdk_display,
ButtonMotionMask |
ButtonPressMask |
ButtonReleaseMask |
EnterWindowMask | LeaveWindowMask,
c,
CurrentTime);
}
}
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