/*! \private
* \brief Get a property
*
* \param [in] object
* \param [in] param_id
* \param [in,out] value
* \param [in] pspec
*/
static void
get_property (GObject *object, guint param_id, GValue *value, GParamSpec *pspec)
{
GschemOptions *options = GSCHEM_OPTIONS (object);
switch (param_id) {
case PROP_GRID_MODE:
g_value_set_int (value, gschem_options_get_grid_mode (options));
break;
case PROP_MAGNETIC_NET_MODE:
g_value_set_boolean (value, gschem_options_get_magnetic_net_mode (options));
break;
case PROP_NET_RUBBER_BAND_MODE:
g_value_set_boolean (value, gschem_options_get_net_rubber_band_mode (options));
break;
case PROP_SNAP_MODE:
g_value_set_int (value, gschem_options_get_snap_mode (options));
break;
case PROP_SNAP_SIZE:
g_value_set_int (value, gschem_options_get_snap_size (options));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
}
}
/*! \private
* \brief Update the net rubber band mode widget with the current value
*
* \param [in,out] widget This widget
*/
static void
update_magnetic_net_mode_widget (GschemOptionsWidget *widget)
{
g_return_if_fail (widget != NULL);
if (widget->options != NULL) {
GschemToplevel *w_current;
g_object_get (widget, "gschem-toplevel", &w_current, NULL);
g_return_if_fail (w_current != NULL);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget->magnetic_net_widget),
gschem_options_get_magnetic_net_mode (w_current->options));
}
}
/*! \brief callback function to draw a net marker in magnetic mode
* \par Function Description
* If the mouse is moved, this function is called to update the
* position of the magnetic marker.
* If the controllkey is pressed the magnetic marker follows the mouse.
*/
void o_net_start_magnetic(GschemToplevel *w_current, int w_x, int w_y)
{
if (!(gschem_options_get_magnetic_net_mode (w_current->options))) {
return;
}
o_net_invalidate_rubber (w_current);
if (w_current->CONTROLKEY) {
w_current->magnetic_wx = w_x;
w_current->magnetic_wy = w_y;
}
else {
o_net_find_magnetic(w_current, w_x, w_y);
}
o_net_invalidate_rubber (w_current);
w_current->rubber_visible = 1;
}
/*! \todo Finish function documentation!!!
* \brief
* \par Function Description
*
*/
void o_net_invalidate_rubber (GschemToplevel *w_current)
{
int size = 0, magnetic_halfsize;
int magnetic_x, magnetic_y;
gboolean magnetic_net_mode;
g_return_if_fail (w_current != NULL);
GschemPageView *page_view = gschem_toplevel_get_current_page_view (w_current);
g_return_if_fail (page_view != NULL);
gschem_page_view_WORLDtoSCREEN (page_view,
w_current->magnetic_wx, w_current->magnetic_wy,
&magnetic_x, &magnetic_y);
size = gschem_page_view_SCREENabs (page_view, NET_WIDTH);
magnetic_net_mode = gschem_options_get_magnetic_net_mode (w_current->options);
if (magnetic_net_mode) {
if (w_current->magnetic_wx != -1 && w_current->magnetic_wy != -1) {
magnetic_halfsize = max (4 * size, MAGNETIC_HALFSIZE);
o_invalidate_rect (w_current, magnetic_x - magnetic_halfsize,
magnetic_y - magnetic_halfsize,
magnetic_x + magnetic_halfsize,
magnetic_y + magnetic_halfsize);
}
}
gschem_page_view_invalidate_world_rect (page_view,
w_current->first_wx,
w_current->first_wy,
w_current->second_wx,
w_current->second_wy);
gschem_page_view_invalidate_world_rect (page_view,
w_current->second_wx,
w_current->second_wy,
w_current->third_wx,
w_current->third_wy);
}
/*! \brief draw rubbernet lines to the gc
* \par Function Description
* This function draws the rubbernets to the graphic context
*/
void
o_net_draw_rubber(GschemToplevel *w_current, EdaRenderer *renderer)
{
int size = NET_WIDTH, w_magnetic_halfsize;
cairo_t *cr = eda_renderer_get_cairo_context (renderer);
GArray *color_map = eda_renderer_get_color_map (renderer);
int flags = eda_renderer_get_cairo_flags (renderer);
gboolean magnetic_net_mode;
g_return_if_fail (w_current != NULL);
GschemPageView *page_view = gschem_toplevel_get_current_page_view (w_current);
g_return_if_fail (page_view != NULL);
eda_cairo_set_source_color (cr, SELECT_COLOR, color_map);
magnetic_net_mode = gschem_options_get_magnetic_net_mode (w_current->options);
if (magnetic_net_mode) {
if (w_current->magnetic_wx != -1 && w_current->magnetic_wy != -1) {
w_magnetic_halfsize = max (4 * size,
gschem_page_view_WORLDabs (page_view, MAGNETIC_HALFSIZE));
eda_cairo_arc (cr, flags, size,
w_current->magnetic_wx, w_current->magnetic_wy,
w_magnetic_halfsize, 0, 360);
}
}
/* Primary line */
eda_cairo_line (cr, flags, END_NONE, size,
w_current->first_wx, w_current->first_wy,
w_current->second_wx, w_current->second_wy);
/* Secondary line */
eda_cairo_line (cr, flags, END_NONE, size,
w_current->second_wx, w_current->second_wy,
w_current->third_wx, w_current->third_wy);
eda_cairo_stroke (cr, flags, TYPE_SOLID, END_NONE, size, -1, -1);
}
/*! \brief erase and redraw the rubber lines when drawing a net
* \par Function Description
* This function draws the rubbernet lines when drawing a net.
*/
void o_net_motion (GschemToplevel *w_current, int w_x, int w_y)
{
int ortho, horizontal, quadrant;
gboolean magnetic_net_mode;
g_return_if_fail (w_current != NULL);
g_assert( w_current->inside_action != 0 );
magnetic_net_mode = gschem_options_get_magnetic_net_mode (w_current->options);
/* Orthognal mode enabled when Control Key is NOT pressed or
if we are using magnetic mode */
ortho = !w_current->CONTROLKEY || magnetic_net_mode;
if (w_current->rubber_visible)
o_net_invalidate_rubber (w_current);
if (magnetic_net_mode) {
if (w_current->CONTROLKEY) {
/* set the magnetic marker position to current xy if the
controlkey is pressed. Thus the net will not connect to
the closest net if we finish the net drawing */
w_current->magnetic_wx = w_x;
w_current->magnetic_wy = w_y;
}
else {
o_net_find_magnetic(w_current, w_x, w_y);
}
}
w_current->second_wx = w_x;
w_current->second_wy = w_y;
/* In orthogonal mode secondary line is the same as the first */
if (!ortho) {
w_current->third_wx = w_current->second_wx;
w_current->third_wy = w_current->second_wy;
}
/* If you press the control key then you can draw non-ortho nets */
else {
if (w_current->second_wy > w_current->first_wy)
quadrant = w_current->second_wx > w_current->first_wx ? QUADRANT1: QUADRANT2;
else
quadrant = w_current->second_wx > w_current->first_wx ? QUADRANT4: QUADRANT3;
horizontal = w_current->net_direction & quadrant;
if (!w_current->SHIFTKEY)
horizontal = !horizontal;
/* calculate the co-ordinates necessary to draw the lines*/
/* Pressing the shift key will cause the vertical and horizontal lines to switch places */
if ( horizontal ) {
w_current->second_wy = w_current->first_wy;
w_current->third_wx = w_current->second_wx;
w_current->third_wy = w_y;
} else {
w_current->second_wx = w_current->first_wx;
w_current->third_wx = w_x;
w_current->third_wy = w_current->second_wy;
}
}
o_net_invalidate_rubber (w_current);
w_current->rubber_visible = 1;
}
