/*
* Move the object to the location of the last drag rect
*/
int
abobj_move(
ABObj obj,
XEvent *event
)
{
short x_delta = 0;
short y_delta = 0;
if (!first_move)
{
first_move = True;
/* erase last box */
x_box_r(parent, &move_rect);
x_delta = move_rect.x - orig_rect.x;
y_delta = move_rect.y - orig_rect.y;
/*
* Before the move is performed, record undo information
*/
(void)abobj_set_undo(sel.list, sel.count, undo_move, AB_UNDO_MOVE);
abobj_nudge_selected(sel.list, sel.count, x_delta, y_delta, True);
util_free(sel.list);
return OK;
}
return ERROR;
}
/*
* rubberband_draw()
* Draws the rubber band box seen when the mouse is dragged
*/
static void
rubberband_draw(
Widget widget,
XEvent *event,
XtPointer client_data
)
{
short x,y;
if (event->type == ButtonPress)
{
x = (short)((XButtonEvent*)event)->x;
y = (short)((XButtonEvent*)event)->y;
}
else if (event->type == MotionNotify)
{
x = (short)((XMotionEvent*)event)->x;
y = (short)((XMotionEvent*)event)->y;
}
else
return;
if (rb_first_time)
{
rb_widget = widget;
rb_rect.x = x;
rb_rect.y = y;
rb_first_time = FALSE;
}
else
x_box_r(rb_widget, &rb_rect);
rb_rect.width = x - rb_rect.x;
rb_rect.height = y - rb_rect.y;
x_box_r(rb_widget, &rb_rect);
}
/*
* Rubberbanding has just finished.
* Finish up rubber banding:
* - erase last box drawn
* - call rubber band func
* - reset some state variables
*/
static void
rubberband_finish(
Widget widget,
XEvent *event,
XtPointer client_data
)
{
if (!rb_first_time)
{
/* erase last box */
x_box_r(rb_widget, &rb_rect);
/*
* If a rubber band func was supplied, call it
*/
if (rubberband_func)
rubberband_func(widget, event, &rb_rect, client_data);
rubberband_func = NULL;
rb_first_time = TRUE;
}
}
/*************************************************************************
** **
** Function Definitions **
** **
**************************************************************************/
int
abobjP_move_object_outline(
ABObj obj,
XMotionEvent *mevent
)
{
static XRectangle parent_rect;
static XRectangle last_rect;
static int x_offset, y_offset;
static Dimension border_w;
static Display *dpy;
XRectangle widget_rect;
int trans_x, trans_y;
/* First time: set up initial move variables */
if (first_move)
{
if (obj_is_item(obj))
obj = obj_get_parent(obj);
obj = obj_get_root(obj);
/* Multiple objects might be selected...*/
if (obj_is_control(obj) ||
obj_is_group(obj) ||
obj_is_pane(obj))
{
abobj_get_selected(obj_get_root(obj_get_parent(obj)), False, False, &sel);
}
else
{
sel.count = 1;
sel.list = (ABObj*)util_malloc(sizeof(ABObj));
sel.list[0] = obj;
}
xy_obj = objxm_comp_get_subobj(obj, AB_CFG_POSITION_OBJ);
xy_widget = (Widget)xy_obj->ui_handle;
if (xy_widget == NULL)
{
if (util_get_verbosity() > 2)
fprintf(stderr,"abobjP_move_object_outline: %s :no POSITION widget\n",
util_strsafe(obj_get_name(obj)));
return ERROR;
}
dpy = XtDisplay(xy_widget);
parent = XtParent(xy_widget);
x_get_widget_rect(xy_widget, &widget_rect);
x_get_widget_rect(parent, &parent_rect);
if (sel.count > 1)
{
abobj_get_rect_for_objects(sel.list, sel.count, &orig_rect);
}
else
{
orig_rect = widget_rect;
XtVaGetValues(xy_widget, XtNborderWidth, &border_w, NULL);
orig_rect.width += (2*border_w);
orig_rect.height += (2*border_w);
orig_rect.width--;
orig_rect.height--;
}
move_rect = orig_rect;
drag_init_rect.x = mevent->x - AB_drag_threshold;
drag_init_rect.y = mevent->y - AB_drag_threshold;
drag_init_rect.width = drag_init_rect.height = 2 * AB_drag_threshold;
x_offset = widget_rect.x - orig_rect.x + mevent->x;
y_offset = widget_rect.y - orig_rect.y + mevent->y;
first_move = False;
rect_zero_out(&last_rect);
}
/* Don't begin rendering move outline until pointer is out of
* the drag_init bounding box
*/
else if (!rect_includespoint(&drag_init_rect, mevent->x, mevent->y))
{
Window win;
/* event coords are relative to widget-must translate to parent */
XTranslateCoordinates(dpy, XtWindow(xy_widget), XtWindow(parent),
mevent->x, mevent->y, &trans_x, &trans_y, &win);
move_rect.x = trans_x - x_offset;
move_rect.y = trans_y - y_offset;
/* Ensure move outline is within the parent's rect */
if (move_rect.x < 0)
move_rect.x = 0;
else if ((move_rect.x + (short)move_rect.width + 1) >= (short)parent_rect.width)
move_rect.x = parent_rect.width - (move_rect.width + 1);
if (move_rect.y < 0)
move_rect.y = 0;
else if ((move_rect.y + (short)move_rect.height + 1) >= (short)parent_rect.height)
move_rect.y = parent_rect.height - (move_rect.height + 1);
/* If cursor has moved since last event, erase previous outline
* and render new one (using XOR function)
*/
if (!rect_equal(&move_rect, &last_rect))
{
if (!rect_isnull(&last_rect))
x_box_r(parent, &last_rect);
x_box_r(parent, &move_rect);
last_rect = move_rect;
}
}
return OK;
}
