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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:24:48 +0000
commitcca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch)
tree146f39ded1c938019e1ed42d30923c2ac9e86789 /src/ui/widget/stroke-style.cpp
parentInitial commit. (diff)
downloadinkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.tar.xz
inkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.zip
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--src/ui/widget/stroke-style.cpp1232
1 files changed, 1232 insertions, 0 deletions
diff --git a/src/ui/widget/stroke-style.cpp b/src/ui/widget/stroke-style.cpp
new file mode 100644
index 0000000..53b50dd
--- /dev/null
+++ b/src/ui/widget/stroke-style.cpp
@@ -0,0 +1,1232 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* Authors:
+ * Lauris Kaplinski <lauris@kaplinski.com>
+ * Bryce Harrington <brycehar@bryceharrington.org>
+ * bulia byak <buliabyak@users.sf.net>
+ * Maximilian Albert <maximilian.albert@gmail.com>
+ * Josh Andler <scislac@users.sf.net>
+ * Jon A. Cruz <jon@joncruz.org>
+ * Abhishek Sharma
+ *
+ * Copyright (C) 2001-2005 authors
+ * Copyright (C) 2001 Ximian, Inc.
+ * Copyright (C) 2004 John Cliff
+ * Copyright (C) 2008 Maximilian Albert (gtkmm-ification)
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#define noSP_SS_VERBOSE
+
+#include "stroke-style.h"
+
+#include "object/sp-marker.h"
+#include "object/sp-namedview.h"
+#include "object/sp-rect.h"
+#include "object/sp-stop.h"
+#include "object/sp-text.h"
+
+#include "svg/svg-color.h"
+
+#include "ui/icon-loader.h"
+#include "ui/widget/dash-selector.h"
+#include "ui/widget/marker-combo-box.h"
+#include "ui/widget/unit-menu.h"
+#include "ui/tools/marker-tool.h"
+#include "ui/dialog/dialog-base.h"
+
+#include "actions/actions-tools.h"
+
+#include "widgets/style-utils.h"
+
+using Inkscape::DocumentUndo;
+using Inkscape::Util::unit_table;
+
+/**
+ * Extract the actual name of the link
+ * e.g. get mTriangle from url(#mTriangle).
+ * \return Buffer containing the actual name, allocated from GLib;
+ * the caller should free the buffer when they no longer need it.
+ */
+SPObject* getMarkerObj(gchar const *n, SPDocument *doc)
+{
+ gchar const *p = n;
+ while (*p != '\0' && *p != '#') {
+ p++;
+ }
+
+ if (*p == '\0' || p[1] == '\0') {
+ return nullptr;
+ }
+
+ p++;
+ int c = 0;
+ while (p[c] != '\0' && p[c] != ')') {
+ c++;
+ }
+
+ if (p[c] == '\0') {
+ return nullptr;
+ }
+
+ gchar* b = g_strdup(p);
+ b[c] = '\0';
+
+ // FIXME: get the document from the object and let the caller pass it in
+ SPObject *marker = doc->getObjectById(b);
+
+ g_free(b);
+ return marker;
+}
+
+namespace Inkscape {
+namespace UI {
+namespace Widget {
+
+/**
+ * Construct a stroke-style radio button with a given icon
+ *
+ * \param[in] grp The Gtk::RadioButtonGroup to which to add the new button
+ * \param[in] icon The icon to use for the button
+ * \param[in] button_type The type of stroke-style radio button (join/cap)
+ * \param[in] stroke_style The style attribute to associate with the button
+ */
+StrokeStyle::StrokeStyleButton::StrokeStyleButton(Gtk::RadioButtonGroup &grp,
+ char const *icon,
+ StrokeStyleButtonType button_type,
+ gchar const *stroke_style)
+ :
+ Gtk::RadioButton(grp),
+ button_type(button_type),
+ stroke_style(stroke_style)
+{
+ show();
+ set_mode(false);
+
+ auto px = Gtk::manage(sp_get_icon_image(icon, Gtk::ICON_SIZE_LARGE_TOOLBAR));
+ g_assert(px != nullptr);
+ px->show();
+ add(*px);
+}
+
+std::vector<double> parse_pattern(const Glib::ustring& input) {
+ std::vector<double> output;
+ if (input.empty()) return output;
+
+ std::istringstream stream(input.c_str());
+ while (stream) {
+ double val;
+ stream >> val;
+ if (stream) {
+ output.push_back(val);
+ }
+ }
+
+ return output;
+}
+
+StrokeStyle::StrokeStyle() :
+ Gtk::Box(),
+ miterLimitSpin(),
+ widthSpin(),
+ unitSelector(),
+ joinMiter(),
+ joinRound(),
+ joinBevel(),
+ capButt(),
+ capRound(),
+ capSquare(),
+ dashSelector(),
+ update(false),
+ desktop(nullptr),
+ startMarkerConn(),
+ midMarkerConn(),
+ endMarkerConn(),
+ _old_unit(nullptr)
+{
+ set_name("StrokeSelector");
+ table = Gtk::manage(new Gtk::Grid());
+ table->set_border_width(4);
+ table->set_row_spacing(4);
+ table->set_hexpand(false);
+ table->set_halign(Gtk::ALIGN_CENTER);
+ table->show();
+ add(*table);
+
+ Gtk::Box *hb;
+ gint i = 0;
+
+ //spw_label(t, C_("Stroke width", "_Width:"), 0, i);
+
+ hb = spw_hbox(table, 3, 1, i);
+
+// TODO: when this is gtkmmified, use an Inkscape::UI::Widget::ScalarUnit instead of the separate
+// spinbutton and unit selector for stroke width. In sp_stroke_style_line_update, use
+// setHundredPercent to remember the averaged width corresponding to 100%. Then the
+// stroke_width_set_unit will be removed (because ScalarUnit takes care of conversions itself)
+ widthAdj = new Glib::RefPtr<Gtk::Adjustment>(Gtk::Adjustment::create(1.0, 0.0, 1000.0, 0.1, 10.0, 0.0));
+ widthSpin = new Inkscape::UI::Widget::SpinButton(*widthAdj, 0.1, 3);
+ widthSpin->set_tooltip_text(_("Stroke width"));
+ widthSpin->show();
+ spw_label(table, C_("Stroke width", "_Width:"), 0, i, widthSpin);
+
+ sp_dialog_defocus_on_enter_cpp(widthSpin);
+
+ hb->pack_start(*widthSpin, false, false, 0);
+ unitSelector = Gtk::manage(new Inkscape::UI::Widget::UnitMenu());
+ unitSelector->setUnitType(Inkscape::Util::UNIT_TYPE_LINEAR);
+ SPDesktop *desktop = SP_ACTIVE_DESKTOP;
+
+ unitSelector->addUnit(*unit_table.getUnit("%"));
+ unitSelector->append("hairline", _("Hairline"));
+ _old_unit = unitSelector->getUnit();
+ if (desktop) {
+ unitSelector->setUnit(desktop->getNamedView()->display_units->abbr);
+ _old_unit = desktop->getNamedView()->display_units;
+ }
+ widthSpin->setUnitMenu(unitSelector);
+ unitSelector->signal_changed().connect(sigc::mem_fun(*this, &StrokeStyle::unitChangedCB));
+ unitSelector->show();
+
+ hb->pack_start(*unitSelector, FALSE, FALSE, 0);
+ (*widthAdj)->signal_value_changed().connect(sigc::mem_fun(*this, &StrokeStyle::setStrokeWidth));
+
+ i++;
+
+ /* Dash */
+ spw_label(table, _("Dashes:"), 0, i, nullptr); //no mnemonic for now
+ //decide what to do:
+ // implement a set_mnemonic_source function in the
+ // Inkscape::UI::Widget::DashSelector class, so that we do not have to
+ // expose any of the underlying widgets?
+ dashSelector = Gtk::manage(new Inkscape::UI::Widget::DashSelector);
+ _pattern = Gtk::make_managed<Gtk::Entry>();
+
+ dashSelector->show();
+ dashSelector->set_hexpand();
+ dashSelector->set_halign(Gtk::ALIGN_FILL);
+ dashSelector->set_valign(Gtk::ALIGN_CENTER);
+ table->attach(*dashSelector, 1, i, 3, 1);
+ dashSelector->changed_signal.connect(sigc::mem_fun(*this, &StrokeStyle::setStrokeDash));
+
+ i++;
+
+ table->attach(*_pattern, 1, i, 4, 1);
+ _pattern_label = spw_label(table, _("_Pattern:"), 0, i, _pattern);
+ _pattern_label->set_tooltip_text(_("Repeating \"dash gap ...\" pattern"));
+ _pattern->set_no_show_all();
+ _pattern_label->set_no_show_all();
+ _pattern->signal_changed().connect([=](){
+ if (update || _editing_pattern) return;
+
+ auto pat = parse_pattern(_pattern->get_text());
+ _editing_pattern = true;
+ update = true;
+ dashSelector->set_dash(pat, dashSelector->get_offset());
+ update = false;
+ setStrokeDash();
+ _editing_pattern = false;
+ });
+ update_pattern(0, nullptr);
+
+ i++;
+
+ /* Drop down marker selectors*/
+ // TRANSLATORS: Path markers are an SVG feature that allows you to attach arbitrary shapes
+ // (arrowheads, bullets, faces, whatever) to the start, end, or middle nodes of a path.
+
+ spw_label(table, _("Markers:"), 0, i, nullptr);
+
+ hb = spw_hbox(table, 1, 1, i);
+ i++;
+
+ startMarkerCombo = Gtk::manage(new MarkerComboBox("marker-start", SP_MARKER_LOC_START));
+ startMarkerCombo->set_tooltip_text(_("Start Markers are drawn on the first node of a path or shape"));
+ startMarkerConn = startMarkerCombo->signal_changed().connect([=]() { markerSelectCB(startMarkerCombo, SP_MARKER_LOC_START); });
+ startMarkerCombo->edit_signal.connect([=] { enterEditMarkerMode(SP_MARKER_LOC_START); });
+ startMarkerCombo->show();
+
+ hb->pack_start(*startMarkerCombo, true, true, 0);
+
+ midMarkerCombo = Gtk::manage(new MarkerComboBox("marker-mid", SP_MARKER_LOC_MID));
+ midMarkerCombo->set_tooltip_text(_("Mid Markers are drawn on every node of a path or shape except the first and last nodes"));
+ midMarkerConn = midMarkerCombo->signal_changed().connect([=]() { markerSelectCB(midMarkerCombo, SP_MARKER_LOC_MID); });
+ midMarkerCombo->edit_signal.connect([=] { enterEditMarkerMode(SP_MARKER_LOC_MID); });
+ midMarkerCombo->show();
+
+ hb->pack_start(*midMarkerCombo, true, true, 0);
+
+ endMarkerCombo = Gtk::manage(new MarkerComboBox("marker-end", SP_MARKER_LOC_END));
+ endMarkerCombo->set_tooltip_text(_("End Markers are drawn on the last node of a path or shape"));
+ endMarkerConn = endMarkerCombo->signal_changed().connect([=]() { markerSelectCB(endMarkerCombo, SP_MARKER_LOC_END); });
+ endMarkerCombo->edit_signal.connect([=] { enterEditMarkerMode(SP_MARKER_LOC_END); });
+ endMarkerCombo->show();
+
+ hb->pack_start(*endMarkerCombo, true, true, 0);
+ i++;
+
+ /* Join type */
+ // TRANSLATORS: The line join style specifies the shape to be used at the
+ // corners of paths. It can be "miter", "round" or "bevel".
+ spw_label(table, _("Join:"), 0, i, nullptr);
+
+ hb = spw_hbox(table, 3, 1, i);
+
+ Gtk::RadioButtonGroup joinGrp;
+
+ joinBevel = makeRadioButton(joinGrp, INKSCAPE_ICON("stroke-join-bevel"),
+ hb, STROKE_STYLE_BUTTON_JOIN, "bevel");
+
+ // TRANSLATORS: Bevel join: joining lines with a blunted (flattened) corner.
+ // For an example, draw a triangle with a large stroke width and modify the
+ // "Join" option (in the Fill and Stroke dialog).
+ joinBevel->set_tooltip_text(_("Bevel join"));
+
+ joinRound = makeRadioButton(joinGrp, INKSCAPE_ICON("stroke-join-round"),
+ hb, STROKE_STYLE_BUTTON_JOIN, "round");
+
+ // TRANSLATORS: Round join: joining lines with a rounded corner.
+ // For an example, draw a triangle with a large stroke width and modify the
+ // "Join" option (in the Fill and Stroke dialog).
+ joinRound->set_tooltip_text(_("Round join"));
+
+ joinMiter = makeRadioButton(joinGrp, INKSCAPE_ICON("stroke-join-miter"),
+ hb, STROKE_STYLE_BUTTON_JOIN, "miter");
+
+ // TRANSLATORS: Miter join: joining lines with a sharp (pointed) corner.
+ // For an example, draw a triangle with a large stroke width and modify the
+ // "Join" option (in the Fill and Stroke dialog).
+ joinMiter->set_tooltip_text(_("Miter join"));
+
+ /* Miterlimit */
+ // TRANSLATORS: Miter limit: only for "miter join", this limits the length
+ // of the sharp "spike" when the lines connect at too sharp an angle.
+ // When two line segments meet at a sharp angle, a miter join results in a
+ // spike that extends well beyond the connection point. The purpose of the
+ // miter limit is to cut off such spikes (i.e. convert them into bevels)
+ // when they become too long.
+ //spw_label(t, _("Miter _limit:"), 0, i);
+ miterLimitAdj = new Glib::RefPtr<Gtk::Adjustment>(Gtk::Adjustment::create(4.0, 0.0, 100000.0, 0.1, 10.0, 0.0));
+ miterLimitSpin = new Inkscape::UI::Widget::SpinButton(*miterLimitAdj, 0.1, 2);
+ miterLimitSpin->set_tooltip_text(_("Maximum length of the miter (in units of stroke width)"));
+ miterLimitSpin->set_width_chars(6);
+ miterLimitSpin->show();
+ sp_dialog_defocus_on_enter_cpp(miterLimitSpin);
+
+ hb->pack_start(*miterLimitSpin, false, false, 0);
+ (*miterLimitAdj)->signal_value_changed().connect(sigc::mem_fun(*this, &StrokeStyle::setStrokeMiter));
+ i++;
+
+ /* Cap type */
+ // TRANSLATORS: cap type specifies the shape for the ends of lines
+ //spw_label(t, _("_Cap:"), 0, i);
+ spw_label(table, _("Cap:"), 0, i, nullptr);
+
+ hb = spw_hbox(table, 3, 1, i);
+
+ Gtk::RadioButtonGroup capGrp;
+
+ capButt = makeRadioButton(capGrp, INKSCAPE_ICON("stroke-cap-butt"),
+ hb, STROKE_STYLE_BUTTON_CAP, "butt");
+
+ // TRANSLATORS: Butt cap: the line shape does not extend beyond the end point
+ // of the line; the ends of the line are square
+ capButt->set_tooltip_text(_("Butt cap"));
+
+ capRound = makeRadioButton(capGrp, INKSCAPE_ICON("stroke-cap-round"),
+ hb, STROKE_STYLE_BUTTON_CAP, "round");
+
+ // TRANSLATORS: Round cap: the line shape extends beyond the end point of the
+ // line; the ends of the line are rounded
+ capRound->set_tooltip_text(_("Round cap"));
+
+ capSquare = makeRadioButton(capGrp, INKSCAPE_ICON("stroke-cap-square"),
+ hb, STROKE_STYLE_BUTTON_CAP, "square");
+
+ // TRANSLATORS: Square cap: the line shape extends beyond the end point of the
+ // line; the ends of the line are square
+ capSquare->set_tooltip_text(_("Square cap"));
+
+ i++;
+
+ /* Paint order */
+ // TRANSLATORS: Paint order determines the order the 'fill', 'stroke', and 'markers are painted.
+ spw_label(table, _("Order:"), 0, i, nullptr);
+
+ hb = spw_hbox(table, 4, 1, i);
+
+ Gtk::RadioButtonGroup paintOrderGrp;
+
+ paintOrderFSM = makeRadioButton(paintOrderGrp, INKSCAPE_ICON("paint-order-fsm"),
+ hb, STROKE_STYLE_BUTTON_ORDER, "normal");
+ paintOrderFSM->set_tooltip_text(_("Fill, Stroke, Markers"));
+
+ paintOrderSFM = makeRadioButton(paintOrderGrp, INKSCAPE_ICON("paint-order-sfm"),
+ hb, STROKE_STYLE_BUTTON_ORDER, "stroke fill markers");
+ paintOrderSFM->set_tooltip_text(_("Stroke, Fill, Markers"));
+
+ paintOrderFMS = makeRadioButton(paintOrderGrp, INKSCAPE_ICON("paint-order-fms"),
+ hb, STROKE_STYLE_BUTTON_ORDER, "fill markers stroke");
+ paintOrderFMS->set_tooltip_text(_("Fill, Markers, Stroke"));
+
+ i++;
+
+ hb = spw_hbox(table, 4, 1, i);
+
+ paintOrderMFS = makeRadioButton(paintOrderGrp, INKSCAPE_ICON("paint-order-mfs"),
+ hb, STROKE_STYLE_BUTTON_ORDER, "markers fill stroke");
+ paintOrderMFS->set_tooltip_text(_("Markers, Fill, Stroke"));
+
+ paintOrderSMF = makeRadioButton(paintOrderGrp, INKSCAPE_ICON("paint-order-smf"),
+ hb, STROKE_STYLE_BUTTON_ORDER, "stroke markers fill");
+ paintOrderSMF->set_tooltip_text(_("Stroke, Markers, Fill"));
+
+ paintOrderMSF = makeRadioButton(paintOrderGrp, INKSCAPE_ICON("paint-order-msf"),
+ hb, STROKE_STYLE_BUTTON_ORDER, "markers stroke fill");
+ paintOrderMSF->set_tooltip_text(_("Markers, Stroke, Fill"));
+
+ i++;
+}
+
+StrokeStyle::~StrokeStyle()
+{
+}
+
+void StrokeStyle::setDesktop(SPDesktop *desktop)
+{
+ if (this->desktop != desktop) {
+
+ if (this->desktop) {
+ _document_replaced_connection.disconnect();
+ }
+ this->desktop = desktop;
+
+ if (!desktop) {
+ return;
+ }
+
+ _document_replaced_connection =
+ desktop->connectDocumentReplaced(sigc::mem_fun(this, &StrokeStyle::_handleDocumentReplaced));
+
+ _handleDocumentReplaced(nullptr, desktop->getDocument());
+
+ updateLine();
+ }
+}
+
+void StrokeStyle::_handleDocumentReplaced(SPDesktop *, SPDocument *document)
+{
+ for (MarkerComboBox *combo : { startMarkerCombo, midMarkerCombo, endMarkerCombo }) {
+ combo->setDocument(document);
+ }
+}
+
+
+/**
+ * Helper function for creating stroke-style radio buttons.
+ *
+ * \param[in] grp The Gtk::RadioButtonGroup in which to add the button
+ * \param[in] icon The icon for the button
+ * \param[in] hb The Gtk::Box container in which to add the button
+ * \param[in] button_type The type (join/cap) for the button
+ * \param[in] stroke_style The style attribute to associate with the button
+ *
+ * \details After instantiating the button, it is added to a container box and
+ * a handler for the toggle event is connected.
+ */
+StrokeStyle::StrokeStyleButton *
+StrokeStyle::makeRadioButton(Gtk::RadioButtonGroup &grp,
+ char const *icon,
+ Gtk::Box *hb,
+ StrokeStyleButtonType button_type,
+ gchar const *stroke_style)
+{
+ g_assert(icon != nullptr);
+ g_assert(hb != nullptr);
+
+ StrokeStyleButton *tb = new StrokeStyleButton(grp, icon, button_type, stroke_style);
+
+ hb->pack_start(*tb, false, false, 0);
+
+ tb->signal_toggled().connect(sigc::bind<StrokeStyleButton *, StrokeStyle *>(
+ sigc::ptr_fun(&StrokeStyle::buttonToggledCB), tb, this));
+
+ return tb;
+}
+
+void StrokeStyle::enterEditMarkerMode(SPMarkerLoc _editMarkerMode)
+{
+ SPDesktop *desktop = this->desktop;
+
+ if (desktop) {
+ set_active_tool(desktop, "Marker");
+ Inkscape::UI::Tools::MarkerTool *mt = dynamic_cast<Inkscape::UI::Tools::MarkerTool*>(desktop->event_context);
+
+ if(mt) {
+ mt->editMarkerMode = _editMarkerMode;
+ mt->selection_changed(desktop->getSelection());
+ }
+ }
+}
+
+
+bool StrokeStyle::areMarkersBeingUpdated()
+{
+ return startMarkerCombo->in_update() || midMarkerCombo->in_update() || endMarkerCombo->in_update();
+}
+
+/**
+ * Handles when user selects one of the markers from the marker combobox.
+ * Gets the marker uri string and applies it to all selected
+ * items in the current desktop.
+ */
+void StrokeStyle::markerSelectCB(MarkerComboBox *marker_combo, SPMarkerLoc const which)
+{
+ if (update || areMarkersBeingUpdated()) {
+ return;
+ }
+
+ SPDocument *document = desktop->getDocument();
+ if (!document) {
+ return;
+ }
+
+ // Get marker ID; could be empty (to remove marker)
+ std::string marker = marker_combo->get_active_marker_uri();
+
+ update = true;
+
+ SPCSSAttr *css = sp_repr_css_attr_new();
+ gchar const *combo_id = marker_combo->get_id();
+ sp_repr_css_set_property(css, combo_id, marker.c_str());
+
+ Inkscape::Selection *selection = desktop->getSelection();
+ auto itemlist= selection->items();
+ for(auto i=itemlist.begin();i!=itemlist.end();++i){
+ SPItem *item = *i;
+ if (!SP_IS_SHAPE(item)) {
+ continue;
+ }
+ Inkscape::XML::Node *selrepr = item->getRepr();
+ if (selrepr) {
+ sp_repr_css_change_recursive(selrepr, css, "style");
+ }
+
+ item->requestModified(SP_OBJECT_MODIFIED_FLAG);
+ item->requestDisplayUpdate(SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG);
+
+ DocumentUndo::done(document, _("Set markers"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+ }
+
+ /* edit marker mode - update */
+ SPDesktop *desktop = SP_ACTIVE_DESKTOP;
+
+ if (desktop) {
+ Inkscape::UI::Tools::MarkerTool *mt = dynamic_cast<Inkscape::UI::Tools::MarkerTool*>(desktop->event_context);
+
+ if(mt) {
+ mt->editMarkerMode = which;
+ mt->selection_changed(desktop->getSelection());
+ }
+ }
+
+ sp_repr_css_attr_unref(css);
+ css = nullptr;
+
+ update = false;
+};
+
+/**
+ * Callback for when UnitMenu widget is modified.
+ * Triggers update action.
+ */
+void StrokeStyle::unitChangedCB()
+{
+ Inkscape::Util::Unit const *new_unit = unitSelector->getUnit();
+
+ if (_old_unit == new_unit)
+ return;
+
+ // If the unit selector is set to hairline, don't do the normal conversion.
+ if (isHairlineSelected()) {
+ // Force update in setStrokeWidth
+ _old_unit = new_unit;
+ _last_width = -1;
+ setStrokeWidth();
+ return;
+ }
+
+ if (new_unit->type == Inkscape::Util::UNIT_TYPE_DIMENSIONLESS) {
+ // Prevent update in setStrokeWidth
+ _last_width = 100.0;
+ widthSpin->set_value(100);
+ } else {
+ // Remove the non-scaling-stroke effect and the hairline extensions
+ if (!update) {
+ SPCSSAttr *css = sp_repr_css_attr_new();
+ sp_repr_css_unset_property(css, "vector-effect");
+ sp_repr_css_unset_property(css, "-inkscape-stroke");
+ sp_desktop_set_style(desktop, css);
+ sp_repr_css_attr_unref(css);
+ css = nullptr;
+ DocumentUndo::done(desktop->getDocument(), _("Remove hairline stroke"),
+ INKSCAPE_ICON("dialog-fill-and-stroke"));
+ }
+ if (_old_unit->type == Inkscape::Util::UNIT_TYPE_DIMENSIONLESS) {
+ // Prevent update of unit (inf-loop) in updateLine
+ _old_unit = new_unit;
+ // Going from % to any other unit means our widthSpin is completely invalid.
+ updateLine();
+ } else {
+ // Scale the value and record the old_unit
+ widthSpin->set_value(Inkscape::Util::Quantity::convert(widthSpin->get_value(), _old_unit, new_unit));
+ }
+ }
+ _old_unit = new_unit;
+}
+
+/**
+ * Callback for when stroke style widget is modified.
+ * Triggers update action.
+ */
+void
+StrokeStyle::selectionModifiedCB(guint flags)
+{
+ // We care deeply about only updating when the style is updated
+ // if we update on other flags, we slow inkscape down when dragging
+ if (flags & (SP_OBJECT_STYLE_MODIFIED_FLAG)) {
+ updateLine();
+ }
+}
+
+/**
+ * Callback for when stroke style widget is changed.
+ * Triggers update action.
+ */
+void
+StrokeStyle::selectionChangedCB()
+{
+ updateLine();
+}
+
+/**
+ * Get a dash array and offset from the style.
+ *
+ * Both values are de-scaled by the style's width if needed.
+ */
+std::vector<double>
+StrokeStyle::getDashFromStyle(SPStyle *style, double &offset)
+{
+ auto prefs = Inkscape::Preferences::get();
+
+ std::vector<double> ret;
+ size_t len = style->stroke_dasharray.values.size();
+
+ double scaledash = 1.0;
+ if (prefs->getBool("/options/dash/scale", true) && style->stroke_width.computed) {
+ scaledash = style->stroke_width.computed;
+ }
+
+ offset = style->stroke_dashoffset.value / scaledash;
+ for (unsigned i = 0; i < len; i++) {
+ ret.push_back(style->stroke_dasharray.values[i].value / scaledash);
+ }
+ return ret;
+}
+
+/**
+ * Sets selector widgets' dash style from an SPStyle object.
+ */
+void
+StrokeStyle::setDashSelectorFromStyle(Inkscape::UI::Widget::DashSelector *dsel, SPStyle *style)
+{
+ double offset = 0;
+ auto d = getDashFromStyle(style, offset);
+ if (!d.empty()) {
+ dsel->set_dash(d, offset);
+ update_pattern(d.size(), d.data());
+ } else {
+ dsel->set_dash(std::vector<double>(), 0.0);
+ update_pattern(0, nullptr);
+ }
+}
+
+void StrokeStyle::update_pattern(int ndash, const double* pattern) {
+ if (_editing_pattern || _pattern->has_focus()) return;
+
+ std::ostringstream ost;
+ for (int i = 0; i < ndash; ++i) {
+ ost << pattern[i] << ' ';
+ }
+ _pattern->set_text(ost.str().c_str());
+ if (ndash > 0) {
+ _pattern_label->show();
+ _pattern->show();
+ }
+ else {
+ _pattern_label->hide();
+ _pattern->hide();
+ }
+}
+
+/**
+ * Sets the join type for a line, and updates the stroke style widget's buttons
+ */
+void
+StrokeStyle::setJoinType (unsigned const jointype)
+{
+ Gtk::RadioButton *tb = nullptr;
+ switch (jointype) {
+ case SP_STROKE_LINEJOIN_MITER:
+ tb = joinMiter;
+ break;
+ case SP_STROKE_LINEJOIN_ROUND:
+ tb = joinRound;
+ break;
+ case SP_STROKE_LINEJOIN_BEVEL:
+ tb = joinBevel;
+ break;
+ default:
+ // Should not happen
+ std::cerr << "StrokeStyle::setJoinType(): Invalid value: " << jointype << std::endl;
+ tb = joinMiter;
+ break;
+ }
+ setJoinButtons(tb);
+}
+
+/**
+ * Sets the cap type for a line, and updates the stroke style widget's buttons
+ */
+void
+StrokeStyle::setCapType (unsigned const captype)
+{
+ Gtk::RadioButton *tb = nullptr;
+ switch (captype) {
+ case SP_STROKE_LINECAP_BUTT:
+ tb = capButt;
+ break;
+ case SP_STROKE_LINECAP_ROUND:
+ tb = capRound;
+ break;
+ case SP_STROKE_LINECAP_SQUARE:
+ tb = capSquare;
+ break;
+ default:
+ // Should not happen
+ std::cerr << "StrokeStyle::setCapType(): Invalid value: " << captype << std::endl;
+ tb = capButt;
+ break;
+ }
+ setCapButtons(tb);
+}
+
+/**
+ * Sets the cap type for a line, and updates the stroke style widget's buttons
+ */
+void
+StrokeStyle::setPaintOrder (gchar const *paint_order)
+{
+ Gtk::RadioButton *tb = paintOrderFSM;
+
+ SPIPaintOrder temp;
+ temp.read( paint_order );
+
+ if (temp.layer[0] != SP_CSS_PAINT_ORDER_NORMAL) {
+
+ if (temp.layer[0] == SP_CSS_PAINT_ORDER_FILL) {
+ if (temp.layer[1] == SP_CSS_PAINT_ORDER_STROKE) {
+ tb = paintOrderFSM;
+ } else {
+ tb = paintOrderFMS;
+ }
+ } else if (temp.layer[0] == SP_CSS_PAINT_ORDER_STROKE) {
+ if (temp.layer[1] == SP_CSS_PAINT_ORDER_FILL) {
+ tb = paintOrderSFM;
+ } else {
+ tb = paintOrderSMF;
+ }
+ } else {
+ if (temp.layer[1] == SP_CSS_PAINT_ORDER_STROKE) {
+ tb = paintOrderMSF;
+ } else {
+ tb = paintOrderMFS;
+ }
+ }
+
+ }
+ setPaintOrderButtons(tb);
+}
+
+/**
+ * Callback for when stroke style widget is updated, including markers, cap type,
+ * join type, etc.
+ */
+void
+StrokeStyle::updateLine()
+{
+ if (update) {
+ return;
+ }
+
+ auto *widg = get_parent()->get_parent()->get_parent()->get_parent();
+ auto dialogbase = dynamic_cast<Inkscape::UI::Dialog::DialogBase*>(widg);
+ if (dialogbase && !dialogbase->getShowing()) {
+ return;
+ }
+
+ update = true;
+
+ Inkscape::Selection *sel = desktop ? desktop->getSelection() : nullptr;
+
+ if (!sel || sel->isEmpty()) {
+ // Nothing selected, grey-out all controls in the stroke-style dialog
+ table->set_sensitive(false);
+
+ update = false;
+
+ return;
+ }
+
+ FillOrStroke kind = STROKE;
+
+ // create temporary style
+ SPStyle query(SP_ACTIVE_DOCUMENT);
+ // query into it
+ int result_sw = sp_desktop_query_style(desktop, &query, QUERY_STYLE_PROPERTY_STROKEWIDTH);
+ int result_ml = sp_desktop_query_style(desktop, &query, QUERY_STYLE_PROPERTY_STROKEMITERLIMIT);
+ int result_cap = sp_desktop_query_style(desktop, &query, QUERY_STYLE_PROPERTY_STROKECAP);
+ int result_join = sp_desktop_query_style(desktop, &query, QUERY_STYLE_PROPERTY_STROKEJOIN);
+ int result_order = sp_desktop_query_style(desktop, &query, QUERY_STYLE_PROPERTY_PAINTORDER);
+
+ SPIPaint &targPaint = *query.getFillOrStroke(kind == FILL);
+
+ {
+ table->set_sensitive(true);
+ widthSpin->set_sensitive(true);
+
+ if (result_sw == QUERY_STYLE_MULTIPLE_AVERAGED) {
+ unitSelector->setUnit("%");
+ } else if (query.stroke_extensions.hairline) {
+ unitSelector->set_active_id("hairline");
+ } else {
+ // same width, or only one object; no sense to keep percent, switch to absolute
+ Inkscape::Util::Unit const *tempunit = unitSelector->getUnit();
+ if (tempunit->type != Inkscape::Util::UNIT_TYPE_LINEAR) {
+ unitSelector->setUnit(desktop->getNamedView()->display_units->abbr);
+ }
+ }
+
+ Inkscape::Util::Unit const *unit = unitSelector->getUnit();
+
+ if (query.stroke_extensions.hairline) {
+ widthSpin->set_sensitive(false);
+ (*widthAdj)->set_value(1);
+ } else if (unit->type == Inkscape::Util::UNIT_TYPE_LINEAR) {
+ double avgwidth = Inkscape::Util::Quantity::convert(query.stroke_width.computed, "px", unit);
+ (*widthAdj)->set_value(avgwidth);
+ } else {
+ (*widthAdj)->set_value(100);
+ }
+
+ // if none of the selected objects has a stroke, than quite some controls should be disabled
+ // These options should also be disabled for hairlines, since they don't make sense for
+ // 0-width lines.
+ // The markers might still be shown though, so marker and stroke-width widgets stay enabled
+ bool is_enabled = (result_sw != QUERY_STYLE_NOTHING) && !targPaint.isNoneSet()
+ && !query.stroke_extensions.hairline;
+ joinMiter->set_sensitive(is_enabled);
+ joinRound->set_sensitive(is_enabled);
+ joinBevel->set_sensitive(is_enabled);
+
+ miterLimitSpin->set_sensitive(is_enabled);
+
+ capButt->set_sensitive(is_enabled);
+ capRound->set_sensitive(is_enabled);
+ capSquare->set_sensitive(is_enabled);
+
+ dashSelector->set_sensitive(is_enabled);
+ _pattern->set_sensitive(is_enabled);
+ }
+
+ if (result_ml != QUERY_STYLE_NOTHING)
+ (*miterLimitAdj)->set_value(query.stroke_miterlimit.value); // TODO: reflect averagedness?
+
+ using Inkscape::is_query_style_updateable;
+ if (! is_query_style_updateable(result_join)) {
+ setJoinType(query.stroke_linejoin.value);
+ } else {
+ setJoinButtons(nullptr);
+ }
+
+ if (! is_query_style_updateable(result_cap)) {
+ setCapType (query.stroke_linecap.value);
+ } else {
+ setCapButtons(nullptr);
+ }
+
+ if (! is_query_style_updateable(result_order)) {
+ setPaintOrder (query.paint_order.value);
+ } else {
+ setPaintOrder (nullptr);
+ }
+
+ std::vector<SPItem*> const objects(sel->items().begin(), sel->items().end());
+ if (objects.size()) {
+ SPObject *const object = objects[0];
+ SPStyle *const style = object->style;
+ /* Markers */
+ updateAllMarkers(objects, true); // FIXME: make this desktop query too
+
+ /* Dash */
+ setDashSelectorFromStyle(dashSelector, style); // FIXME: make this desktop query too
+ }
+ table->set_sensitive(true);
+
+ update = false;
+}
+
+/**
+ * Sets a line's dash properties in a CSS style object.
+ */
+void
+StrokeStyle::setScaledDash(SPCSSAttr *css,
+ int ndash, const double *dash, double offset,
+ double scale)
+{
+ if (ndash > 0) {
+ Inkscape::CSSOStringStream osarray;
+ for (int i = 0; i < ndash; i++) {
+ osarray << dash[i] * scale;
+ if (i < (ndash - 1)) {
+ osarray << ",";
+ }
+ }
+ sp_repr_css_set_property(css, "stroke-dasharray", osarray.str().c_str());
+
+ Inkscape::CSSOStringStream osoffset;
+ osoffset << offset * scale;
+ sp_repr_css_set_property(css, "stroke-dashoffset", osoffset.str().c_str());
+ } else {
+ sp_repr_css_set_property(css, "stroke-dasharray", "none");
+ sp_repr_css_set_property(css, "stroke-dashoffset", nullptr);
+ }
+}
+
+static inline double calcScaleLineWidth(const double width_typed, SPItem *const item, Inkscape::Util::Unit const *const unit)
+{
+ if (unit->abbr == "%") {
+ auto scale = item->i2doc_affine().descrim();;
+ const gdouble old_w = item->style->stroke_width.computed;
+ return (old_w * width_typed / 100) * scale;
+ } else if (unit->type == Inkscape::Util::UNIT_TYPE_LINEAR) {
+ return Inkscape::Util::Quantity::convert(width_typed, unit, "px");
+ }
+ return width_typed;
+}
+
+/**
+ * Set the stroke width and adjust the dash pattern if needed.
+ */
+void StrokeStyle::setStrokeWidth()
+{
+ double width_typed = (*widthAdj)->get_value();
+
+ // Don't change the selection if an update is happening,
+ // but also store the value for later comparison.
+ if (update || fabs(_last_width - width_typed) < 1E-6) {
+ _last_width = width_typed;
+ return;
+ }
+ update = true;
+
+ auto prefs = Inkscape::Preferences::get();
+ auto unit = unitSelector->getUnit();
+
+ SPCSSAttr *css = sp_repr_css_attr_new();
+ if (isHairlineSelected()) {
+ /* For renderers that don't understand -inkscape-stroke:hairline, fall back to 1px non-scaling */
+ width_typed = 1;
+ sp_repr_css_set_property(css, "vector-effect", "non-scaling-stroke");
+ sp_repr_css_set_property(css, "-inkscape-stroke", "hairline");
+ } else {
+ sp_repr_css_unset_property(css, "vector-effect");
+ sp_repr_css_unset_property(css, "-inkscape-stroke");
+ }
+
+ for (auto item : desktop->getSelection()->items()) {
+ const double width = calcScaleLineWidth(width_typed, item, unit);
+ sp_repr_css_set_property_double(css, "stroke-width", width);
+
+ if (prefs->getBool("/options/dash/scale", true)) {
+ // This will read the old stroke-width to un-scale the pattern.
+ double offset = 0;
+ auto dash = getDashFromStyle(item->style, offset);
+ setScaledDash(css, dash.size(), dash.data(), offset, width);
+ }
+ sp_desktop_apply_css_recursive (item, css, true);
+ }
+ sp_desktop_set_style (desktop, css, false);
+
+ sp_repr_css_attr_unref(css);
+ DocumentUndo::done(desktop->getDocument(), _("Set stroke width"),
+ INKSCAPE_ICON("dialog-fill-and-stroke"));
+
+ if (unit->abbr == "%") {
+ // reset to 100 percent
+ _last_width = 100.0;
+ (*widthAdj)->set_value(100.0);
+ } else {
+ _last_width = width_typed;
+ }
+ update = false;
+}
+
+/**
+ * Set the stroke dash pattern, scale to the existing width if needed
+ */
+void StrokeStyle::setStrokeDash()
+{
+ if (update) return;
+ update = true;
+
+ auto document = desktop->getDocument();
+ auto prefs = Inkscape::Preferences::get();
+
+ double offset = 0;
+ const auto& dash = dashSelector->get_dash(&offset);
+ update_pattern(dash.size(), dash.data());
+
+ SPCSSAttr *css = sp_repr_css_attr_new();
+ for (auto item : desktop->getSelection()->items()) {
+ double scale = item->i2doc_affine().descrim();
+ if(prefs->getBool("/options/dash/scale", true)) {
+ scale = item->style->stroke_width.computed * scale;
+ }
+
+ setScaledDash(css, dash.size(), dash.data(), offset, scale);
+ sp_desktop_apply_css_recursive (item, css, true);
+ }
+ sp_desktop_set_style (desktop, css, false);
+
+ sp_repr_css_attr_unref(css);
+ DocumentUndo::done(document, _("Set stroke dash"),
+ INKSCAPE_ICON("dialog-fill-and-stroke"));
+ update = false;
+}
+
+/**
+ * Set the Miter Limit value only.
+ */
+void StrokeStyle::setStrokeMiter()
+{
+ if (update) return;
+ update = true;
+
+ SPCSSAttr *css = sp_repr_css_attr_new();
+ auto value = (*miterLimitAdj)->get_value();
+ sp_repr_css_set_property_double(css, "stroke-miterlimit", value);
+
+ for (auto item : desktop->getSelection()->items()) {
+ sp_desktop_apply_css_recursive(item, css, true);
+ }
+ sp_desktop_set_style (desktop, css, false);
+ sp_repr_css_attr_unref(css);
+ DocumentUndo::done(desktop->getDocument(), _("Set stroke miter"),
+ INKSCAPE_ICON("dialog-fill-and-stroke"));
+ update = false;
+}
+
+/**
+ * Returns whether the currently selected stroke width is "hairline"
+ *
+ */
+bool
+StrokeStyle::isHairlineSelected() const
+{
+ return unitSelector->get_active_id() == "hairline";
+}
+
+
+/**
+ * This routine handles toggle events for buttons in the stroke style dialog.
+ *
+ * When activated, this routine gets the data for the various widgets, and then
+ * calls the respective routines to update css properties, etc.
+ *
+ */
+void StrokeStyle::buttonToggledCB(StrokeStyleButton *tb, StrokeStyle *spw)
+{
+ if (spw->update) {
+ return;
+ }
+
+ if (tb->get_active()) {
+ if (tb->get_button_type() == STROKE_STYLE_BUTTON_JOIN) {
+ spw->miterLimitSpin->set_sensitive(!strcmp(tb->get_stroke_style(), "miter"));
+ }
+
+ /* TODO: Create some standardized method */
+ SPCSSAttr *css = sp_repr_css_attr_new();
+
+ switch (tb->get_button_type()) {
+ case STROKE_STYLE_BUTTON_JOIN:
+ sp_repr_css_set_property(css, "stroke-linejoin", tb->get_stroke_style());
+ sp_desktop_set_style (spw->desktop, css);
+ spw->setJoinButtons(tb);
+ break;
+ case STROKE_STYLE_BUTTON_CAP:
+ sp_repr_css_set_property(css, "stroke-linecap", tb->get_stroke_style());
+ sp_desktop_set_style (spw->desktop, css);
+ spw->setCapButtons(tb);
+ break;
+ case STROKE_STYLE_BUTTON_ORDER:
+ sp_repr_css_set_property(css, "paint-order", tb->get_stroke_style());
+ sp_desktop_set_style (spw->desktop, css);
+ //spw->setPaintButtons(tb);
+ }
+
+ sp_repr_css_attr_unref(css);
+ css = nullptr;
+
+ DocumentUndo::done(spw->desktop->getDocument(), _("Set stroke style"), INKSCAPE_ICON("dialog-fill-and-stroke"));
+ }
+}
+
+/**
+ * Updates the join style toggle buttons
+ */
+void
+StrokeStyle::setJoinButtons(Gtk::ToggleButton *active)
+{
+ joinMiter->set_active(active == joinMiter);
+ miterLimitSpin->set_sensitive(active == joinMiter && !isHairlineSelected());
+ joinRound->set_active(active == joinRound);
+ joinBevel->set_active(active == joinBevel);
+}
+
+/**
+ * Updates the cap style toggle buttons
+ */
+void
+StrokeStyle::setCapButtons(Gtk::ToggleButton *active)
+{
+ capButt->set_active(active == capButt);
+ capRound->set_active(active == capRound);
+ capSquare->set_active(active == capSquare);
+}
+
+
+/**
+ * Updates the paint order style toggle buttons
+ */
+void
+StrokeStyle::setPaintOrderButtons(Gtk::ToggleButton *active)
+{
+ paintOrderFSM->set_active(active == paintOrderFSM);
+ paintOrderSFM->set_active(active == paintOrderSFM);
+ paintOrderFMS->set_active(active == paintOrderFMS);
+ paintOrderMFS->set_active(active == paintOrderMFS);
+ paintOrderSMF->set_active(active == paintOrderSMF);
+ paintOrderMSF->set_active(active == paintOrderMSF);
+}
+
+
+/**
+ * Recursively builds a simple list from an arbitrarily complex selection
+ * of items and grouped items
+ */
+static void buildGroupedItemList(SPObject *element, std::vector<SPObject*> &simple_list)
+{
+ if (SP_IS_GROUP(element)) {
+ for (SPObject *i = element->firstChild(); i; i = i->getNext()) {
+ buildGroupedItemList(i, simple_list);
+ }
+ } else {
+ simple_list.push_back(element);
+ }
+}
+
+
+/**
+ * Updates the marker combobox to highlight the appropriate marker and scroll to
+ * that marker.
+ */
+void
+StrokeStyle::updateAllMarkers(std::vector<SPItem*> const &objects, bool skip_undo)
+{
+ struct { MarkerComboBox *key; int loc; } const keyloc[] = {
+ { startMarkerCombo, SP_MARKER_LOC_START },
+ { midMarkerCombo, SP_MARKER_LOC_MID },
+ { endMarkerCombo, SP_MARKER_LOC_END }
+ };
+
+ bool all_texts = true;
+
+ auto simplified_list = std::vector<SPObject *>();
+ for (SPItem *item : objects) {
+ buildGroupedItemList(item, simplified_list);
+ }
+
+ for (SPObject *object : simplified_list) {
+ if (!SP_IS_TEXT(object)) {
+ all_texts = false;
+ break;
+ }
+ }
+
+ // We show markers of the last object in the list only
+ // FIXME: use the first in the list that has the marker of each type, if any
+
+ for (auto const &markertype : keyloc) {
+ // For all three marker types,
+
+ // find the corresponding combobox item
+ MarkerComboBox *combo = markertype.key;
+
+ // Quit if we're in update state
+ if (combo->in_update()) {
+ return;
+ }
+
+ // Per SVG spec, text objects cannot have markers; disable combobox if only texts are selected
+ // They should also be disabled for hairlines, since scaling against a 0-width line doesn't
+ // make sense.
+ combo->set_sensitive(!all_texts && !isHairlineSelected());
+
+ SPObject *marker = nullptr;
+
+ if (!all_texts && !isHairlineSelected()) {
+ for (SPObject *object : simplified_list) {
+ char const *value = object->style->marker_ptrs[markertype.loc]->value();
+
+ // If the object has this type of markers,
+ if (value == nullptr)
+ continue;
+
+ // Extract the name of the marker that the object uses
+ marker = getMarkerObj(value, object->document);
+ }
+ }
+
+ // Scroll the combobox to that marker
+ combo->set_current(marker);
+ }
+
+}
+
+} // namespace Widget
+} // namespace UI
+} // namespace Inkscape
+
+
+/*
+ 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:textwidth=99 :