static void
line_set_props(Line *line, GPtrArray *props)
{
object_set_props_from_offsets(&line->connection.object,
line_offsets, props);
line_update_data(line);
}
static DiaObject *
line_copy(Line *line)
{
Line *newline;
Connection *conn, *newconn;
DiaObject *newobj;
int rcc = 0;
conn = &line->connection;
newline = g_malloc0(sizeof(Line));
newconn = &newline->connection;
newobj = &newconn->object;
connection_copy(conn, newconn);
newline->cpl = connpointline_copy(newobj,line->cpl,&rcc);
newline->line_color = line->line_color;
newline->line_width = line->line_width;
newline->line_style = line->line_style;
newline->line_caps = line->line_caps;
newline->dashlength = line->dashlength;
newline->start_arrow = line->start_arrow;
newline->end_arrow = line->end_arrow;
newline->absolute_start_gap = line->absolute_start_gap;
newline->absolute_end_gap = line->absolute_end_gap;
line_update_data(line);
return &newline->connection.object;
}
static ObjectChange *
line_apply_properties(Line *line)
{
ObjectState *old_state;
if (line != line_properties_dialog->line) {
printf("Dialog problem: %p != %p\n", line, line_properties_dialog->line);
line = line_properties_dialog->line;
}
old_state = (ObjectState *)line_get_state(line);
line->line_width = gtk_spin_button_get_value_as_float(line_properties_dialog->line_width);
dia_color_selector_get_color(line_properties_dialog->color, &line->line_color);
dia_line_style_selector_get_linestyle(line_properties_dialog->line_style,
&line->line_style, &line->dashlength);
line->start_arrow = dia_arrow_selector_get_arrow(line_properties_dialog->start_arrow);
line->end_arrow = dia_arrow_selector_get_arrow(line_properties_dialog->end_arrow);
line_update_data(line);
return new_object_state_change((Object *)line, old_state,
(GetStateFunc)line_get_state,
(SetStateFunc)line_set_state);
}
/*!
* \brief Remove a connection point from the line
*
* \memberof Line
*/
static ObjectChange *
line_remove_connpoint_callback(DiaObject *obj, Point *clicked, gpointer data)
{
ObjectChange *oc;
oc = connpointline_remove_point(((Line *)obj)->cpl,clicked);
line_update_data((Line *)obj);
return oc;
}
static void
line_move_handle(Line *line, Handle *handle,
Point *to, HandleMoveReason reason, ModifierKeys modifiers)
{
assert(line!=NULL);
assert(handle!=NULL);
assert(to!=NULL);
connection_move_handle(&line->connection, handle->id, to, reason);
line_update_data(line);
}
static void
line_set_state(Line *line, LineState *state)
{
line->line_color = state->line_color;
line->line_width = state->line_width;
line->line_style = state->line_style;
line->dashlength = state->dashlength;
line->start_arrow = state->start_arrow;
line->end_arrow = state->end_arrow;
g_free(state);
line_update_data(line);
}
static void
line_move(Line *line, Point *to)
{
Point start_to_end;
Point *endpoints = &line->connection.endpoints[0];
start_to_end = endpoints[1];
point_sub(&start_to_end, &endpoints[0]);
endpoints[1] = endpoints[0] = *to;
point_add(&endpoints[1], &start_to_end);
line_update_data(line);
}
static ObjectChange*
line_move_handle(Line *line, Handle *handle,
Point *to, ConnectionPoint *cp,
HandleMoveReason reason, ModifierKeys modifiers)
{
assert(line!=NULL);
assert(handle!=NULL);
assert(to!=NULL);
connection_move_handle(&line->connection, handle->id, to, cp, reason, modifiers);
line_update_data(line);
return NULL;
}
static DiaObject *
line_create(Point *startpoint,
void *user_data,
Handle **handle1,
Handle **handle2)
{
Line *line;
Connection *conn;
DiaObject *obj;
Point defaultlen = { 1.0, 1.0 };
line_init_defaults();
line = g_malloc0(sizeof(Line));
line->line_width = attributes_get_default_linewidth();
line->line_color = attributes_get_foreground();
line->absolute_start_gap = default_properties.absolute_start_gap;
line->absolute_end_gap = default_properties.absolute_end_gap;
conn = &line->connection;
conn->endpoints[0] = *startpoint;
conn->endpoints[1] = *startpoint;
point_add(&conn->endpoints[1], &defaultlen);
obj = &conn->object;
obj->type = &line_type;
obj->ops = &line_ops;
connection_init(conn, 2, 0);
line->cpl = connpointline_create(obj,1);
attributes_get_default_line_style(&line->line_style, &line->dashlength);
line->line_caps = LINECAPS_BUTT;
line->start_arrow = attributes_get_default_start_arrow();
line->end_arrow = attributes_get_default_end_arrow();
line_update_data(line);
*handle1 = obj->handles[0];
*handle2 = obj->handles[1];
return &line->connection.object;
}
static Object *
line_create(Point *startpoint,
void *user_data,
Handle **handle1,
Handle **handle2)
{
Line *line;
Connection *conn;
Object *obj;
Point defaultlen = { 1.0, 1.0 };
/*line_init_defaults();*/
line = g_malloc(sizeof(Line));
line->line_width = attributes_get_default_linewidth();
line->line_color = attributes_get_foreground();
conn = &line->connection;
conn->endpoints[0] = *startpoint;
conn->endpoints[1] = *startpoint;
point_add(&conn->endpoints[1], &defaultlen);
obj = (Object *) line;
obj->type = &line_type;
obj->ops = &line_ops;
connection_init(conn, 2, 1);
obj->connections[0] = &line->middle_point;
line->middle_point.object = obj;
line->middle_point.connected = NULL;
attributes_get_default_line_style(&line->line_style, &line->dashlength);
line->start_arrow = attributes_get_default_start_arrow();
line->end_arrow = attributes_get_default_end_arrow();
line_update_data(line);
*handle1 = obj->handles[0];
*handle2 = obj->handles[1];
return (Object *)line;
}
static DiaObject *
line_load(ObjectNode obj_node, int version, DiaContext *ctx)
{
Line *line;
Connection *conn;
DiaObject *obj;
AttributeNode attr;
line = g_malloc0(sizeof(Line));
conn = &line->connection;
obj = &conn->object;
obj->type = &line_type;
obj->ops = &line_ops;
connection_load(conn, obj_node, ctx);
line->line_color = color_black;
attr = object_find_attribute(obj_node, "line_color");
if (attr != NULL)
data_color(attribute_first_data(attr), &line->line_color, ctx);
line->line_width = 0.1;
attr = object_find_attribute(obj_node, PROP_STDNAME_LINE_WIDTH);
if (attr != NULL)
line->line_width = data_real(attribute_first_data(attr), ctx);
line->line_style = LINESTYLE_SOLID;
attr = object_find_attribute(obj_node, "line_style");
if (attr != NULL)
line->line_style = data_enum(attribute_first_data(attr), ctx);
line->line_caps = LINECAPS_BUTT;
attr = object_find_attribute(obj_node, "line_caps");
if (attr != NULL)
line->line_caps = data_enum(attribute_first_data(attr), ctx);
load_arrow(obj_node, &line->start_arrow,
"start_arrow", "start_arrow_length", "start_arrow_width", ctx);
load_arrow(obj_node, &line->end_arrow,
"end_arrow", "end_arrow_length", "end_arrow_width", ctx);
line->absolute_start_gap = 0.0;
attr = object_find_attribute(obj_node, "absolute_start_gap");
if (attr != NULL)
line->absolute_start_gap = data_real(attribute_first_data(attr), ctx);
line->absolute_end_gap = 0.0;
attr = object_find_attribute(obj_node, "absolute_end_gap");
if (attr != NULL)
line->absolute_end_gap = data_real(attribute_first_data(attr), ctx);
line->dashlength = DEFAULT_LINESTYLE_DASHLEN;
attr = object_find_attribute(obj_node, "dashlength");
if (attr != NULL)
line->dashlength = data_real(attribute_first_data(attr), ctx);
connection_init(conn, 2, 0);
line->cpl = connpointline_load(obj,obj_node,"numcp",1,NULL, ctx);
line_update_data(line);
return &line->connection.object;
}
static Object *
line_load(ObjectNode obj_node, int version, const char *filename)
{
Line *line;
Connection *conn;
Object *obj;
AttributeNode attr;
line = g_malloc(sizeof(Line));
conn = &line->connection;
obj = (Object *) line;
obj->type = &line_type;
obj->ops = &line_ops;
connection_load(conn, obj_node);
line->line_color = color_black;
attr = object_find_attribute(obj_node, "line_color");
if (attr != NULL)
data_color(attribute_first_data(attr), &line->line_color);
line->line_width = 0.1;
attr = object_find_attribute(obj_node, "line_width");
if (attr != NULL)
line->line_width = data_real(attribute_first_data(attr));
line->line_style = LINESTYLE_SOLID;
attr = object_find_attribute(obj_node, "line_style");
if (attr != NULL)
line->line_style = data_enum(attribute_first_data(attr));
line->start_arrow.type = ARROW_NONE;
line->start_arrow.length = 0.8;
line->start_arrow.width = 0.8;
attr = object_find_attribute(obj_node, "start_arrow");
if (attr != NULL)
line->start_arrow.type = data_enum(attribute_first_data(attr));
attr = object_find_attribute(obj_node, "start_arrow_length");
if (attr != NULL)
line->start_arrow.length = data_real(attribute_first_data(attr));
attr = object_find_attribute(obj_node, "start_arrow_width");
if (attr != NULL)
line->start_arrow.width = data_real(attribute_first_data(attr));
line->end_arrow.type = ARROW_NONE;
line->end_arrow.length = 0.8;
line->end_arrow.width = 0.8;
attr = object_find_attribute(obj_node, "end_arrow");
if (attr != NULL)
line->end_arrow.type = data_enum(attribute_first_data(attr));
attr = object_find_attribute(obj_node, "end_arrow_length");
if (attr != NULL)
line->end_arrow.length = data_real(attribute_first_data(attr));
attr = object_find_attribute(obj_node, "end_arrow_width");
if (attr != NULL)
line->end_arrow.width = data_real(attribute_first_data(attr));
line->dashlength = DEFAULT_LINESTYLE_DASHLEN;
attr = object_find_attribute(obj_node, "dashlength");
if (attr != NULL)
line->dashlength = data_real(attribute_first_data(attr));
connection_init(conn, 2, 1);
obj->connections[0] = &line->middle_point;
line->middle_point.object = obj;
line->middle_point.connected = NULL;
line_update_data(line);
return (Object *)line;
}