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// SPDX-License-Identifier: GPL-2.0-or-later
/**
* @file
* Inkscape Snap toolbar
*
* @authors Inkscape Authors
* Copyright (C) 1999-2019 authors
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "snap-toolbar.h"
#include <glibmm/i18n.h>
#include "attributes.h"
#include "desktop.h"
#include "verbs.h"
#include "object/sp-namedview.h"
#include "ui/icon-names.h"
namespace Inkscape {
namespace UI {
namespace Toolbar {
SnapToolbar::SnapToolbar(SPDesktop *desktop)
: Toolbar(desktop),
_freeze(false)
{
// Global snapping control
{
auto snap_global_verb = Inkscape::Verb::get(SP_VERB_TOGGLE_SNAPPING);
_snap_global_item = add_toggle_button(snap_global_verb->get_name(),
snap_global_verb->get_tip());
_snap_global_item->set_icon_name(INKSCAPE_ICON("snap"));
_snap_global_item->signal_toggled().connect(sigc::bind(sigc::mem_fun(*this, &SnapToolbar::on_snap_toggled),
SP_ATTR_INKSCAPE_SNAP_GLOBAL));
}
add_separator();
// Snapping to bounding boxes
{
_snap_from_bbox_corner_item = add_toggle_button(_("Bounding box"),
_("Snap bounding boxes"));
_snap_from_bbox_corner_item->set_icon_name(INKSCAPE_ICON("snap"));
_snap_from_bbox_corner_item->signal_toggled().connect(sigc::bind(sigc::mem_fun(*this, &SnapToolbar::on_snap_toggled),
SP_ATTR_INKSCAPE_SNAP_BBOX));
}
{
_snap_to_bbox_path_item = add_toggle_button(_("Bounding box edges"),
_("Snap to edges of a bounding box"));
_snap_to_bbox_path_item->set_icon_name(INKSCAPE_ICON("snap-bounding-box-edges"));
_snap_to_bbox_path_item->signal_toggled().connect(sigc::bind(sigc::mem_fun(*this, &SnapToolbar::on_snap_toggled),
SP_ATTR_INKSCAPE_SNAP_BBOX_EDGE));
}
{
_snap_to_bbox_node_item = add_toggle_button(_("Bounding box corners"),
_("Snap bounding box corners"));
_snap_to_bbox_node_item->set_icon_name(INKSCAPE_ICON("snap-bounding-box-corners"));
_snap_to_bbox_node_item->signal_toggled().connect(sigc::bind(sigc::mem_fun(*this, &SnapToolbar::on_snap_toggled),
SP_ATTR_INKSCAPE_SNAP_BBOX_CORNER));
}
{
_snap_to_from_bbox_edge_midpoints_item = add_toggle_button(_("BBox Edge Midpoints"),
_("Snap midpoints of bounding box edges"));
_snap_to_from_bbox_edge_midpoints_item->set_icon_name(INKSCAPE_ICON("snap-bounding-box-midpoints"));
_snap_to_from_bbox_edge_midpoints_item->signal_toggled().connect(sigc::bind(sigc::mem_fun(*this, &SnapToolbar::on_snap_toggled),
SP_ATTR_INKSCAPE_SNAP_BBOX_EDGE_MIDPOINT));
}
{
_snap_to_from_bbox_edge_centers_item = add_toggle_button(_("BBox Centers"),
_("Snapping centers of bounding boxes"));
_snap_to_from_bbox_edge_centers_item->set_icon_name(INKSCAPE_ICON("snap-bounding-box-center"));
_snap_to_from_bbox_edge_centers_item->signal_toggled().connect(sigc::bind(sigc::mem_fun(*this, &SnapToolbar::on_snap_toggled),
SP_ATTR_INKSCAPE_SNAP_BBOX_MIDPOINT));
}
add_separator();
// Snapping to nodes, paths & handles
{
_snap_from_node_item = add_toggle_button(_("Nodes"),
_("Snap nodes, paths, and handles"));
_snap_from_node_item->set_icon_name(INKSCAPE_ICON("snap"));
_snap_from_node_item->signal_toggled().connect(sigc::bind(sigc::mem_fun(*this, &SnapToolbar::on_snap_toggled),
SP_ATTR_INKSCAPE_SNAP_NODE));
}
{
_snap_to_item_path_item = add_toggle_button(_("Paths"),
_("Snap to paths"));
_snap_to_item_path_item->set_icon_name(INKSCAPE_ICON("snap-nodes-path"));
_snap_to_item_path_item->signal_toggled().connect(sigc::bind(sigc::mem_fun(*this, &SnapToolbar::on_snap_toggled),
SP_ATTR_INKSCAPE_SNAP_PATH));
}
{
_snap_to_path_intersections_item = add_toggle_button(_("Path intersections"),
_("Snap to path intersections"));
_snap_to_path_intersections_item->set_icon_name(INKSCAPE_ICON("snap-nodes-intersection"));
_snap_to_path_intersections_item->signal_toggled().connect(sigc::bind(sigc::mem_fun(*this, &SnapToolbar::on_snap_toggled),
SP_ATTR_INKSCAPE_SNAP_PATH_INTERSECTION));
}
{
_snap_to_item_node_item = add_toggle_button(_("To nodes"),
_("Snap to cusp nodes, incl. rectangle corners"));
_snap_to_item_node_item->set_icon_name(INKSCAPE_ICON("snap-nodes-cusp"));
_snap_to_item_node_item->signal_toggled().connect(sigc::bind(sigc::mem_fun(*this, &SnapToolbar::on_snap_toggled),
SP_ATTR_INKSCAPE_SNAP_NODE_CUSP));
}
{
_snap_to_smooth_nodes_item = add_toggle_button(_("Smooth nodes"),
_("Snap smooth nodes, incl. quadrant points of ellipses"));
_snap_to_smooth_nodes_item->set_icon_name(INKSCAPE_ICON("snap-nodes-smooth"));
_snap_to_smooth_nodes_item->signal_toggled().connect(sigc::bind(sigc::mem_fun(*this, &SnapToolbar::on_snap_toggled),
SP_ATTR_INKSCAPE_SNAP_NODE_SMOOTH));
}
{
_snap_to_from_line_midpoints_item = add_toggle_button(_("Line Midpoints"),
_("Snap midpoints of line segments"));
_snap_to_from_line_midpoints_item->set_icon_name(INKSCAPE_ICON("snap-nodes-midpoint"));
_snap_to_from_line_midpoints_item->signal_toggled().connect(sigc::bind(sigc::mem_fun(*this, &SnapToolbar::on_snap_toggled),
SP_ATTR_INKSCAPE_SNAP_LINE_MIDPOINT));
}
add_separator();
{
_snap_from_others_item = add_toggle_button(_("Others"),
_("Snap other points (centers, guide origins, gradient handles, etc.)"));
_snap_from_others_item->set_icon_name(INKSCAPE_ICON("snap"));
_snap_from_others_item->signal_toggled().connect(sigc::bind(sigc::mem_fun(*this, &SnapToolbar::on_snap_toggled),
SP_ATTR_INKSCAPE_SNAP_OTHERS));
}
{
_snap_to_from_object_centers_item = add_toggle_button(_("Object Centers"),
_("Snap centers of objects"));
_snap_to_from_object_centers_item->set_icon_name(INKSCAPE_ICON("snap-nodes-center"));
_snap_to_from_object_centers_item->signal_toggled().connect(sigc::bind(sigc::mem_fun(*this, &SnapToolbar::on_snap_toggled),
SP_ATTR_INKSCAPE_SNAP_OBJECT_MIDPOINT));
}
{
_snap_to_from_rotation_center_item = add_toggle_button(_("Rotation Centers"),
_("Snap an item's rotation center"));
_snap_to_from_rotation_center_item->set_icon_name(INKSCAPE_ICON("snap-nodes-rotation-center"));
_snap_to_from_rotation_center_item->signal_toggled().connect(sigc::bind(sigc::mem_fun(*this, &SnapToolbar::on_snap_toggled),
SP_ATTR_INKSCAPE_SNAP_ROTATION_CENTER));
}
{
_snap_to_from_text_baseline_item = add_toggle_button(_("Text baseline"),
_("Snap text anchors and baselines"));
_snap_to_from_text_baseline_item->set_icon_name(INKSCAPE_ICON("snap-text-baseline"));
_snap_to_from_text_baseline_item->signal_toggled().connect(sigc::bind(sigc::mem_fun(*this, &SnapToolbar::on_snap_toggled),
SP_ATTR_INKSCAPE_SNAP_TEXT_BASELINE));
}
add_separator();
{
_snap_to_page_border_item = add_toggle_button(_("Page border"),
_("Snap to the page border"));
_snap_to_page_border_item->set_icon_name(INKSCAPE_ICON("snap-page"));
_snap_to_page_border_item->signal_toggled().connect(sigc::bind(sigc::mem_fun(*this, &SnapToolbar::on_snap_toggled),
SP_ATTR_INKSCAPE_SNAP_PAGE_BORDER));
}
{
_snap_to_grids_item = add_toggle_button(_("Grids"),
_("Snap to grids"));
_snap_to_grids_item->set_icon_name(INKSCAPE_ICON("grid-rectangular"));
_snap_to_grids_item->signal_toggled().connect(sigc::bind(sigc::mem_fun(*this, &SnapToolbar::on_snap_toggled),
SP_ATTR_INKSCAPE_SNAP_GRID));
}
{
_snap_to_guides_item = add_toggle_button(_("Guides"),
_("Snap guides"));
_snap_to_guides_item->set_icon_name(INKSCAPE_ICON("guides"));
_snap_to_guides_item->signal_toggled().connect(sigc::bind(sigc::mem_fun(*this, &SnapToolbar::on_snap_toggled),
SP_ATTR_INKSCAPE_SNAP_GUIDE));
}
show_all();
}
GtkWidget *
SnapToolbar::create(SPDesktop *desktop)
{
auto tb = Gtk::manage(new SnapToolbar(desktop));
return GTK_WIDGET(tb->gobj());
}
void
SnapToolbar::update(SnapToolbar *tb)
{
auto nv = tb->_desktop->getNamedView();
if (nv == nullptr) {
g_warning("Namedview cannot be retrieved (in updateSnapToolbox)!");
return;
}
// The ..._set_active calls below will toggle the buttons, but this shouldn't lead to
// changes in our document because we're only updating the UI;
// Setting the "freeze" parameter to true will block the code in toggle_snap_callback()
tb->_freeze = true;
bool const c1 = nv->snap_manager.snapprefs.getSnapEnabledGlobally();
tb->_snap_global_item->set_active(c1);
bool const c2 = nv->snap_manager.snapprefs.isTargetSnappable(SNAPTARGET_BBOX_CATEGORY);
tb->_snap_from_bbox_corner_item->set_active(c2);
tb->_snap_from_bbox_corner_item->set_sensitive(c1);
tb->_snap_to_bbox_path_item->set_active(nv->snap_manager.snapprefs.isSnapButtonEnabled(SNAPTARGET_BBOX_EDGE));
tb->_snap_to_bbox_path_item->set_sensitive(c1 && c2);
tb->_snap_to_bbox_node_item->set_active(nv->snap_manager.snapprefs.isSnapButtonEnabled(SNAPTARGET_BBOX_CORNER));
tb->_snap_to_bbox_node_item->set_sensitive(c1 && c2);
tb->_snap_to_from_bbox_edge_midpoints_item->set_active(nv->snap_manager.snapprefs.isSnapButtonEnabled(SNAPTARGET_BBOX_EDGE_MIDPOINT));
tb->_snap_to_from_bbox_edge_midpoints_item->set_sensitive(c1 && c2);
tb->_snap_to_from_bbox_edge_centers_item->set_active(nv->snap_manager.snapprefs.isSnapButtonEnabled(SNAPTARGET_BBOX_MIDPOINT));
tb->_snap_to_from_bbox_edge_centers_item->set_sensitive(c1 && c2);
bool const c3 = nv->snap_manager.snapprefs.isTargetSnappable(SNAPTARGET_NODE_CATEGORY);
tb->_snap_from_node_item->set_active(c3);
tb->_snap_from_node_item->set_sensitive(c1);
tb->_snap_to_item_path_item->set_active(nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_PATH));
tb->_snap_to_item_path_item->set_sensitive(c1 && c3);
tb->_snap_to_path_intersections_item->set_active(nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_PATH_INTERSECTION));
tb->_snap_to_path_intersections_item->set_sensitive(c1 && c3);
tb->_snap_to_item_node_item->set_active(nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_NODE_CUSP));
tb->_snap_to_item_node_item->set_sensitive(c1 && c3);
tb->_snap_to_smooth_nodes_item->set_active(nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_NODE_SMOOTH));
tb->_snap_to_smooth_nodes_item->set_sensitive(c1 && c3);
tb->_snap_to_from_line_midpoints_item->set_active(nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_LINE_MIDPOINT));
tb->_snap_to_from_line_midpoints_item->set_sensitive(c1 && c3);
bool const c5 = nv->snap_manager.snapprefs.isTargetSnappable(SNAPTARGET_OTHERS_CATEGORY);
tb->_snap_from_others_item->set_active(c5);
tb->_snap_from_others_item->set_sensitive(c1);
tb->_snap_to_from_object_centers_item->set_active(nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_OBJECT_MIDPOINT));
tb->_snap_to_from_object_centers_item->set_sensitive(c1 && c5);
tb->_snap_to_from_rotation_center_item->set_active(nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_ROTATION_CENTER));
tb->_snap_to_from_rotation_center_item->set_sensitive(c1 && c5);
tb->_snap_to_from_text_baseline_item->set_active(nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_TEXT_BASELINE));
tb->_snap_to_from_text_baseline_item->set_sensitive(c1 && c5);
tb->_snap_to_page_border_item->set_active(nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_PAGE_BORDER));
tb->_snap_to_page_border_item->set_sensitive(c1);
tb->_snap_to_grids_item->set_active(nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_GRID));
tb->_snap_to_grids_item->set_sensitive(c1);
tb->_snap_to_guides_item->set_active(nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_GUIDE));
tb->_snap_to_guides_item->set_sensitive(c1);
tb->_freeze = false;
}
void
SnapToolbar::on_snap_toggled(SPAttributeEnum attr)
{
if(_freeze) return;
auto dt = _desktop;
auto nv = dt->getNamedView();
if(!nv) {
g_warning("No namedview specified in toggle-snap callback");
return;
}
auto doc = nv->document;
auto repr = nv->getRepr();
if(!repr) {
g_warning("This namedview doesn't have an XML representation attached!");
return;
}
DocumentUndo::ScopedInsensitive _no_undo(doc);
bool v = false;
switch (attr) {
case SP_ATTR_INKSCAPE_SNAP_GLOBAL:
dt->toggleSnapGlobal();
break;
case SP_ATTR_INKSCAPE_SNAP_BBOX:
v = nv->snap_manager.snapprefs.isTargetSnappable(Inkscape::SNAPTARGET_BBOX_CATEGORY);
sp_repr_set_boolean(repr, "inkscape:snap-bbox", !v);
break;
case SP_ATTR_INKSCAPE_SNAP_BBOX_EDGE:
v = nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_BBOX_EDGE);
sp_repr_set_boolean(repr, "inkscape:bbox-paths", !v);
break;
case SP_ATTR_INKSCAPE_SNAP_BBOX_CORNER:
v = nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_BBOX_CORNER);
sp_repr_set_boolean(repr, "inkscape:bbox-nodes", !v);
break;
case SP_ATTR_INKSCAPE_SNAP_NODE:
v = nv->snap_manager.snapprefs.isTargetSnappable(Inkscape::SNAPTARGET_NODE_CATEGORY);
sp_repr_set_boolean(repr, "inkscape:snap-nodes", !v);
break;
case SP_ATTR_INKSCAPE_SNAP_PATH:
v = nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_PATH);
sp_repr_set_boolean(repr, "inkscape:object-paths", !v);
break;
case SP_ATTR_INKSCAPE_SNAP_PATH_CLIP:
v = nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_PATH_CLIP);
sp_repr_set_boolean(repr, "inkscape:snap-path-clip", !v);
break;
case SP_ATTR_INKSCAPE_SNAP_PATH_MASK:
v = nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_PATH_MASK);
sp_repr_set_boolean(repr, "inkscape:snap-path-mask", !v);
break;
case SP_ATTR_INKSCAPE_SNAP_NODE_CUSP:
v = nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_NODE_CUSP);
sp_repr_set_boolean(repr, "inkscape:object-nodes", !v);
break;
case SP_ATTR_INKSCAPE_SNAP_NODE_SMOOTH:
v = nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_NODE_SMOOTH);
sp_repr_set_boolean(repr, "inkscape:snap-smooth-nodes", !v);
break;
case SP_ATTR_INKSCAPE_SNAP_PATH_INTERSECTION:
v = nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_PATH_INTERSECTION);
sp_repr_set_boolean(repr, "inkscape:snap-intersection-paths", !v);
break;
case SP_ATTR_INKSCAPE_SNAP_OTHERS:
v = nv->snap_manager.snapprefs.isTargetSnappable(Inkscape::SNAPTARGET_OTHERS_CATEGORY);
sp_repr_set_boolean(repr, "inkscape:snap-others", !v);
break;
case SP_ATTR_INKSCAPE_SNAP_ROTATION_CENTER:
v = nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_ROTATION_CENTER);
sp_repr_set_boolean(repr, "inkscape:snap-center", !v);
break;
case SP_ATTR_INKSCAPE_SNAP_GRID:
v = nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_GRID);
sp_repr_set_boolean(repr, "inkscape:snap-grids", !v);
break;
case SP_ATTR_INKSCAPE_SNAP_GUIDE:
v = nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_GUIDE);
sp_repr_set_boolean(repr, "inkscape:snap-to-guides", !v);
break;
case SP_ATTR_INKSCAPE_SNAP_PAGE_BORDER:
v = nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_PAGE_BORDER);
sp_repr_set_boolean(repr, "inkscape:snap-page", !v);
break;
case SP_ATTR_INKSCAPE_SNAP_LINE_MIDPOINT:
v = nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_LINE_MIDPOINT);
sp_repr_set_boolean(repr, "inkscape:snap-midpoints", !v);
break;
case SP_ATTR_INKSCAPE_SNAP_OBJECT_MIDPOINT:
v = nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_OBJECT_MIDPOINT);
sp_repr_set_boolean(repr, "inkscape:snap-object-midpoints", !v);
break;
case SP_ATTR_INKSCAPE_SNAP_TEXT_BASELINE:
v = nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_TEXT_BASELINE);
sp_repr_set_boolean(repr, "inkscape:snap-text-baseline", !v);
break;
case SP_ATTR_INKSCAPE_SNAP_BBOX_EDGE_MIDPOINT:
v = nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_BBOX_EDGE_MIDPOINT);
sp_repr_set_boolean(repr, "inkscape:snap-bbox-edge-midpoints", !v);
break;
case SP_ATTR_INKSCAPE_SNAP_BBOX_MIDPOINT:
v = nv->snap_manager.snapprefs.isSnapButtonEnabled(Inkscape::SNAPTARGET_BBOX_MIDPOINT);
sp_repr_set_boolean(repr, "inkscape:snap-bbox-midpoints", !v);
break;
default:
g_warning("toggle_snap_callback has been called with an ID for which no action has been defined");
break;
}
doc->setModifiedSinceSave();
}
}
}
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
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