static void
draw_crosshair (render_priv *priv)
{
GdkWindow *window = gtk_widget_get_window (gport->drawing_area);
GtkStyle *style = gtk_widget_get_style (gport->drawing_area);
gint x, y;
static GdkGC *xor_gc;
static GdkColor cross_color;
if (gport->crosshair_x < 0 || ghidgui->creating || !gport->has_entered)
return;
if (!xor_gc)
{
xor_gc = gdk_gc_new (window);
gdk_gc_copy (xor_gc, style->white_gc);
gdk_gc_set_function (xor_gc, GDK_XOR);
gdk_gc_set_clip_origin (xor_gc, 0, 0);
set_clip (priv, xor_gc);
/* FIXME: when CrossColor changed from config */
ghid_map_color_string (Settings.CrossColor, &cross_color);
}
gdk_gc_set_foreground (xor_gc, &cross_color);
x = DRAW_X (gport->crosshair_x);
y = DRAW_Y (gport->crosshair_y);
draw_right_cross (xor_gc, x, y);
if (Crosshair.shape == Union_Jack_Crosshair_Shape)
draw_slanted_cross (xor_gc, x, y);
if (Crosshair.shape == Dozen_Crosshair_Shape)
draw_dozen_cross (xor_gc, x, y);
}
bool
ghid_pcb_to_event_coords (Coord pcb_x, Coord pcb_y, int *event_x, int *event_y)
{
*event_x = DRAW_X (pcb_x);
*event_y = DRAW_Y (pcb_y);
return true;
}
static void
show_crosshair (gboolean paint_new_location)
{
render_priv *priv = gport->render_priv;
GdkWindow *window = gtk_widget_get_window (gport->drawing_area);
GtkStyle *style = gtk_widget_get_style (gport->drawing_area);
gint x, y;
static gint x_prev = -1, y_prev = -1;
static GdkGC *xor_gc;
static GdkColor cross_color;
if (gport->crosshair_x < 0 || ghidgui->creating || !gport->has_entered)
return;
if (!xor_gc)
{
xor_gc = gdk_gc_new (window);
gdk_gc_copy (xor_gc, style->white_gc);
gdk_gc_set_function (xor_gc, GDK_XOR);
gdk_gc_set_clip_origin (xor_gc, 0, 0);
set_clip (priv, xor_gc);
/* FIXME: when CrossColor changed from config */
ghid_map_color_string (Settings.CrossColor, &cross_color);
}
x = DRAW_X (gport->crosshair_x);
y = DRAW_Y (gport->crosshair_y);
gdk_gc_set_foreground (xor_gc, &cross_color);
if (x_prev >= 0 && !paint_new_location)
draw_crosshair (xor_gc, x_prev, y_prev);
if (x >= 0 && paint_new_location)
{
draw_crosshair (xor_gc, x, y);
x_prev = x;
y_prev = y;
}
else
x_prev = y_prev = -1;
}
void
ghid_show_crosshair (gboolean show)
{
gint x, y;
static gint x_prev = -1, y_prev = -1;
static gboolean draw_markers, draw_markers_prev = FALSE;
static GdkGC *xor_gc;
static GdkColor cross_color;
if (gport->x_crosshair < 0 || ghidgui->creating || !gport->has_entered)
return;
if (!xor_gc)
{
xor_gc = gdk_gc_new (ghid_port.drawing_area->window);
gdk_gc_copy (xor_gc, ghid_port.drawing_area->style->white_gc);
gdk_gc_set_function (xor_gc, GDK_XOR);
/* FIXME: when CrossColor changed from config */
ghid_map_color_string (Settings.CrossColor, &cross_color);
}
x = DRAW_X (gport->x_crosshair);
y = DRAW_Y (gport->y_crosshair);
gdk_gc_set_foreground (xor_gc, &cross_color);
if (x_prev >= 0)
{
draw_crosshair (xor_gc, x_prev, y_prev);
if (draw_markers_prev)
{
gdk_draw_rectangle (gport->drawing_area->window, xor_gc, TRUE,
0, y_prev - VCD, VCD, VCW);
gdk_draw_rectangle (gport->drawing_area->window, xor_gc, TRUE,
gport->width - VCD, y_prev - VCD, VCD, VCW);
gdk_draw_rectangle (gport->drawing_area->window, xor_gc, TRUE,
x_prev - VCD, 0, VCW, VCD);
gdk_draw_rectangle (gport->drawing_area->window, xor_gc, TRUE,
x_prev - VCD, gport->height - VCD, VCW, VCD);
}
}
if (x >= 0 && show)
{
draw_crosshair (xor_gc, x, y);
draw_markers = ghidgui->auto_pan_on && have_crosshair_attachments ();
if (draw_markers)
{
gdk_draw_rectangle (gport->drawing_area->window, xor_gc, TRUE,
0, y - VCD, VCD, VCW);
gdk_draw_rectangle (gport->drawing_area->window, xor_gc, TRUE,
gport->width - VCD, y - VCD, VCD, VCW);
gdk_draw_rectangle (gport->drawing_area->window, xor_gc, TRUE,
x - VCD, 0, VCW, VCD);
gdk_draw_rectangle (gport->drawing_area->window, xor_gc, TRUE,
x - VCD, gport->height - VCD, VCW, VCD);
}
x_prev = x;
y_prev = y;
draw_markers_prev = draw_markers;
}
else
{
x_prev = y_prev = -1;
draw_markers_prev = FALSE;
}
}
