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-rw-r--r--src/ui/toolbar/lpe-toolbar.cpp417
1 files changed, 417 insertions, 0 deletions
diff --git a/src/ui/toolbar/lpe-toolbar.cpp b/src/ui/toolbar/lpe-toolbar.cpp
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+// SPDX-License-Identifier: GPL-2.0-or-later
+/**
+ * @file
+ * LPE aux toolbar
+ */
+/* Authors:
+ * MenTaLguY <mental@rydia.net>
+ * Lauris Kaplinski <lauris@kaplinski.com>
+ * bulia byak <buliabyak@users.sf.net>
+ * Frank Felfe <innerspace@iname.com>
+ * John Cliff <simarilius@yahoo.com>
+ * David Turner <novalis@gnu.org>
+ * Josh Andler <scislac@scislac.com>
+ * Jon A. Cruz <jon@joncruz.org>
+ * Maximilian Albert <maximilian.albert@gmail.com>
+ * Tavmjong Bah <tavmjong@free.fr>
+ * Abhishek Sharma
+ * Kris De Gussem <Kris.DeGussem@gmail.com>
+ *
+ * Copyright (C) 2004 David Turner
+ * Copyright (C) 2003 MenTaLguY
+ * Copyright (C) 1999-2011 authors
+ * Copyright (C) 2001-2002 Ximian, Inc.
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "lpe-toolbar.h"
+
+#include <gtkmm/radiotoolbutton.h>
+#include <gtkmm/separatortoolitem.h>
+
+#include "live_effects/lpe-line_segment.h"
+
+#include "ui/dialog/dialog-container.h"
+#include "ui/icon-names.h"
+#include "ui/tools/lpe-tool.h"
+#include "ui/widget/combo-tool-item.h"
+#include "ui/widget/unit-tracker.h"
+
+using Inkscape::UI::Widget::UnitTracker;
+using Inkscape::Util::Unit;
+using Inkscape::Util::Quantity;
+using Inkscape::DocumentUndo;
+using Inkscape::UI::Tools::ToolBase;
+using Inkscape::UI::Tools::LpeTool;
+
+namespace Inkscape {
+namespace UI {
+namespace Toolbar {
+LPEToolbar::LPEToolbar(SPDesktop *desktop)
+ : Toolbar(desktop),
+ _tracker(new UnitTracker(Util::UNIT_TYPE_LINEAR)),
+ _freeze(false),
+ _currentlpe(nullptr),
+ _currentlpeitem(nullptr)
+{
+ _tracker->setActiveUnit(_desktop->getNamedView()->display_units);
+
+ auto unit = _tracker->getActiveUnit();
+ g_return_if_fail(unit != nullptr);
+
+ auto prefs = Inkscape::Preferences::get();
+ prefs->setString("/tools/lpetool/unit", unit->abbr);
+
+ /* Automatically create a list of LPEs that get added to the toolbar **/
+ {
+ Gtk::RadioToolButton::Group mode_group;
+
+ // The first toggle button represents the state that no subtool is active.
+ auto inactive_mode_btn = Gtk::manage(new Gtk::RadioToolButton(mode_group, _("All inactive")));
+ inactive_mode_btn->set_tooltip_text(_("No geometric tool is active"));
+ inactive_mode_btn->set_icon_name(INKSCAPE_ICON("draw-geometry-inactive"));
+ _mode_buttons.push_back(inactive_mode_btn);
+
+ Inkscape::LivePathEffect::EffectType type;
+ for (int i = 1; i < num_subtools; ++i) { // i == 0 ia INVALIDE_LPE.
+
+ type = lpesubtools[i].type;
+
+ auto btn = Gtk::manage(new Gtk::RadioToolButton(mode_group, Inkscape::LivePathEffect::LPETypeConverter.get_label(type)));
+ btn->set_tooltip_text(_(Inkscape::LivePathEffect::LPETypeConverter.get_label(type).c_str()));
+ btn->set_icon_name(lpesubtools[i].icon_name);
+ _mode_buttons.push_back(btn);
+ }
+
+ int btn_idx = 0;
+ for (auto btn : _mode_buttons) {
+ btn->set_sensitive(true);
+ add(*btn);
+ btn->signal_clicked().connect(sigc::bind(sigc::mem_fun(*this, &LPEToolbar::mode_changed), btn_idx++));
+ }
+
+ int mode = prefs->getInt("/tools/lpetool/mode", 0);
+ _mode_buttons[mode]->set_active();
+ }
+
+ add(* Gtk::manage(new Gtk::SeparatorToolItem()));
+
+ /* Show limiting bounding box */
+ {
+ _show_bbox_item = add_toggle_button(_("Show limiting bounding box"),
+ _("Show bounding box (used to cut infinite lines)"));
+ _show_bbox_item->set_icon_name(INKSCAPE_ICON("show-bounding-box"));
+ _show_bbox_item->signal_toggled().connect(sigc::mem_fun(*this, &LPEToolbar::toggle_show_bbox));
+ _show_bbox_item->set_active(prefs->getBool( "/tools/lpetool/show_bbox", true ));
+ }
+
+ /* Set limiting bounding box to bbox of current selection */
+ {
+ // TODO: Shouldn't this just be a button (not toggle button)?
+ _bbox_from_selection_item = add_toggle_button(_("Get limiting bounding box from selection"),
+ _("Set limiting bounding box (used to cut infinite lines) to the bounding box of current selection"));
+ _bbox_from_selection_item->set_icon_name(INKSCAPE_ICON("draw-geometry-set-bounding-box"));
+ _bbox_from_selection_item->signal_toggled().connect(sigc::mem_fun(*this, &LPEToolbar::toggle_set_bbox));
+ _bbox_from_selection_item->set_active(false);
+ }
+
+ add(* Gtk::manage(new Gtk::SeparatorToolItem()));
+
+ /* Combo box to choose line segment type */
+ {
+ UI::Widget::ComboToolItemColumns columns;
+ Glib::RefPtr<Gtk::ListStore> store = Gtk::ListStore::create(columns);
+
+ std::vector<gchar*> line_segment_dropdown_items_list = {
+ _("Closed"),
+ _("Open start"),
+ _("Open end"),
+ _("Open both")
+ };
+
+ for (auto item: line_segment_dropdown_items_list) {
+ Gtk::TreeModel::Row row = *(store->append());
+ row[columns.col_label ] = item;
+ row[columns.col_sensitive] = true;
+ }
+
+ _line_segment_combo = Gtk::manage(UI::Widget::ComboToolItem::create(_("Line Type"), _("Choose a line segment type"), "Not Used", store));
+ _line_segment_combo->use_group_label(false);
+
+ _line_segment_combo->set_active(0);
+
+ _line_segment_combo->signal_changed().connect(sigc::mem_fun(*this, &LPEToolbar::change_line_segment_type));
+ add(*_line_segment_combo);
+ }
+
+ add(* Gtk::manage(new Gtk::SeparatorToolItem()));
+
+ /* Display measuring info for selected items */
+ {
+ _measuring_item = add_toggle_button(_("Display measuring info"),
+ _("Display measuring info for selected items"));
+ _measuring_item->set_icon_name(INKSCAPE_ICON("draw-geometry-show-measuring-info"));
+ _measuring_item->signal_toggled().connect(sigc::mem_fun(*this, &LPEToolbar::toggle_show_measuring_info));
+ _measuring_item->set_active( prefs->getBool( "/tools/lpetool/show_measuring_info", true ) );
+ }
+
+ // Add the units menu
+ {
+ _units_item = _tracker->create_tool_item(_("Units"), ("") );
+ add(*_units_item);
+ _units_item->signal_changed_after().connect(sigc::mem_fun(*this, &LPEToolbar::unit_changed));
+ _units_item->set_sensitive( prefs->getBool("/tools/lpetool/show_measuring_info", true));
+ }
+
+ add(* Gtk::manage(new Gtk::SeparatorToolItem()));
+
+ /* Open LPE dialog (to adapt parameters numerically) */
+ {
+ // TODO: Shouldn't this be a regular Gtk::ToolButton (not toggle)?
+ _open_lpe_dialog_item = add_toggle_button(_("Open LPE dialog"),
+ _("Open LPE dialog (to adapt parameters numerically)"));
+ _open_lpe_dialog_item->set_icon_name(INKSCAPE_ICON("dialog-geometry"));
+ _open_lpe_dialog_item->signal_toggled().connect(sigc::mem_fun(*this, &LPEToolbar::open_lpe_dialog));
+ _open_lpe_dialog_item->set_active(false);
+ }
+
+ desktop->connectEventContextChanged(sigc::mem_fun(*this, &LPEToolbar::watch_ec));
+
+ show_all();
+}
+
+void
+LPEToolbar::set_mode(int mode)
+{
+ _mode_buttons[mode]->set_active();
+}
+
+GtkWidget *
+LPEToolbar::create(SPDesktop *desktop)
+{
+ auto toolbar = new LPEToolbar(desktop);
+ return GTK_WIDGET(toolbar->gobj());
+}
+
+// this is called when the mode is changed via the toolbar (i.e., one of the subtool buttons is pressed)
+void
+LPEToolbar::mode_changed(int mode)
+{
+ using namespace Inkscape::LivePathEffect;
+
+ ToolBase *ec = _desktop->event_context;
+ if (!SP_IS_LPETOOL_CONTEXT(ec)) {
+ return;
+ }
+
+ // only take action if run by the attr_changed listener
+ if (!_freeze) {
+ // in turn, prevent listener from responding
+ _freeze = true;
+
+ EffectType type = lpesubtools[mode].type;
+
+ LpeTool *lc = SP_LPETOOL_CONTEXT(_desktop->event_context);
+ bool success = lpetool_try_construction(lc, type);
+ if (success) {
+ // since the construction was already performed, we set the state back to inactive
+ _mode_buttons[0]->set_active();
+ mode = 0;
+ } else {
+ // switch to the chosen subtool
+ SP_LPETOOL_CONTEXT(_desktop->event_context)->mode = type;
+ }
+
+ if (DocumentUndo::getUndoSensitive(_desktop->getDocument())) {
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ prefs->setInt( "/tools/lpetool/mode", mode );
+ }
+
+ _freeze = false;
+ }
+}
+
+void
+LPEToolbar::toggle_show_bbox() {
+ auto prefs = Inkscape::Preferences::get();
+
+ bool show = _show_bbox_item->get_active();
+ prefs->setBool("/tools/lpetool/show_bbox", show);
+
+ LpeTool *lc = dynamic_cast<LpeTool *>(_desktop->event_context);
+ if (lc) {
+ lpetool_context_reset_limiting_bbox(lc);
+ }
+}
+
+void
+LPEToolbar::toggle_set_bbox()
+{
+ auto selection = _desktop->selection;
+
+ auto bbox = selection->visualBounds();
+
+ if (bbox) {
+ Geom::Point A(bbox->min());
+ Geom::Point B(bbox->max());
+
+ A *= _desktop->doc2dt();
+ B *= _desktop->doc2dt();
+
+ // TODO: should we provide a way to store points in prefs?
+ auto prefs = Inkscape::Preferences::get();
+ prefs->setDouble("/tools/lpetool/bbox_upperleftx", A[Geom::X]);
+ prefs->setDouble("/tools/lpetool/bbox_upperlefty", A[Geom::Y]);
+ prefs->setDouble("/tools/lpetool/bbox_lowerrightx", B[Geom::X]);
+ prefs->setDouble("/tools/lpetool/bbox_lowerrighty", B[Geom::Y]);
+
+ lpetool_context_reset_limiting_bbox(SP_LPETOOL_CONTEXT(_desktop->event_context));
+ }
+
+ _bbox_from_selection_item->set_active(false);
+}
+
+void
+LPEToolbar::change_line_segment_type(int mode)
+{
+ using namespace Inkscape::LivePathEffect;
+
+ // quit if run by the attr_changed listener
+ if (_freeze) {
+ return;
+ }
+
+ // in turn, prevent listener from responding
+ _freeze = true;
+ auto line_seg = dynamic_cast<LPELineSegment *>(_currentlpe);
+
+ if (_currentlpeitem && line_seg) {
+ line_seg->end_type.param_set_value(static_cast<Inkscape::LivePathEffect::EndType>(mode));
+ sp_lpe_item_update_patheffect(_currentlpeitem, true, true);
+ }
+
+ _freeze = false;
+}
+
+void
+LPEToolbar::toggle_show_measuring_info()
+{
+ LpeTool *lc = dynamic_cast<LpeTool *>(_desktop->event_context);
+ if (!lc) {
+ return;
+ }
+
+ bool show = _measuring_item->get_active();
+
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ prefs->setBool("/tools/lpetool/show_measuring_info", show);
+
+ lpetool_show_measuring_info(lc, show);
+
+ _units_item->set_sensitive( show );
+}
+
+void
+LPEToolbar::unit_changed(int /* NotUsed */)
+{
+ Unit const *unit = _tracker->getActiveUnit();
+ g_return_if_fail(unit != nullptr);
+ Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+ prefs->setString("/tools/lpetool/unit", unit->abbr);
+
+ if (SP_IS_LPETOOL_CONTEXT(_desktop->event_context)) {
+ LpeTool *lc = SP_LPETOOL_CONTEXT(_desktop->event_context);
+ lpetool_delete_measuring_items(lc);
+ lpetool_create_measuring_items(lc);
+ }
+}
+
+void
+LPEToolbar::open_lpe_dialog()
+{
+ if (dynamic_cast<LpeTool *>(_desktop->event_context)) {
+ _desktop->getContainer()->new_dialog("LivePathEffect");
+ } else {
+ std::cerr << "LPEToolbar::open_lpe_dialog: LPEToolbar active but current tool is not LPE tool!" << std::endl;
+ }
+ _open_lpe_dialog_item->set_active(false);
+}
+
+void
+LPEToolbar::watch_ec(SPDesktop* desktop, Inkscape::UI::Tools::ToolBase* ec)
+{
+ if (SP_IS_LPETOOL_CONTEXT(ec)) {
+ // Watch selection
+ c_selection_modified = desktop->getSelection()->connectModified(sigc::mem_fun(*this, &LPEToolbar::sel_modified));
+ c_selection_changed = desktop->getSelection()->connectChanged(sigc::mem_fun(*this, &LPEToolbar::sel_changed));
+ sel_changed(desktop->getSelection());
+ } else {
+ if (c_selection_modified)
+ c_selection_modified.disconnect();
+ if (c_selection_changed)
+ c_selection_changed.disconnect();
+ }
+}
+
+void
+LPEToolbar::sel_modified(Inkscape::Selection *selection, guint /*flags*/)
+{
+ ToolBase *ec = selection->desktop()->event_context;
+ if (SP_IS_LPETOOL_CONTEXT(ec)) {
+ lpetool_update_measuring_items(SP_LPETOOL_CONTEXT(ec));
+ }
+}
+
+void
+LPEToolbar::sel_changed(Inkscape::Selection *selection)
+{
+ using namespace Inkscape::LivePathEffect;
+ ToolBase *ec = selection->desktop()->event_context;
+ if (!SP_IS_LPETOOL_CONTEXT(ec)) {
+ return;
+ }
+ LpeTool *lc = SP_LPETOOL_CONTEXT(ec);
+
+ lpetool_delete_measuring_items(lc);
+ lpetool_create_measuring_items(lc, selection);
+
+ // activate line segment combo box if a single item with LPELineSegment is selected
+ SPItem *item = selection->singleItem();
+ if (item && SP_IS_LPE_ITEM(item) && lpetool_item_has_construction(lc, item)) {
+
+ SPLPEItem *lpeitem = SP_LPE_ITEM(item);
+ Effect* lpe = lpeitem->getCurrentLPE();
+ if (lpe && lpe->effectType() == LINE_SEGMENT) {
+ LPELineSegment *lpels = static_cast<LPELineSegment*>(lpe);
+ _currentlpe = lpe;
+ _currentlpeitem = lpeitem;
+ _line_segment_combo->set_sensitive(true);
+ _line_segment_combo->set_active( lpels->end_type.get_value() );
+ } else {
+ _currentlpe = nullptr;
+ _currentlpeitem = nullptr;
+ _line_segment_combo->set_sensitive(false);
+ }
+
+ } else {
+ _currentlpe = nullptr;
+ _currentlpeitem = nullptr;
+ _line_segment_combo->set_sensitive(false);
+ }
+}
+
+}
+}
+}
+
+/*
+ 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:fileencoding=utf-8 :