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Diffstat (limited to 'src/ui/widget/style-swatch.cpp')
| -rw-r--r-- | src/ui/widget/style-swatch.cpp | 386 |
1 files changed, 386 insertions, 0 deletions
diff --git a/src/ui/widget/style-swatch.cpp b/src/ui/widget/style-swatch.cpp new file mode 100644 index 0000000..a79f9d9 --- /dev/null +++ b/src/ui/widget/style-swatch.cpp @@ -0,0 +1,386 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/** + * @file + * Static style swatch (fill, stroke, opacity). + */ +/* Authors: + * buliabyak@gmail.com + * Krzysztof Kosiński <tweenk.pl@gmail.com> + * + * Copyright (C) 2005-2008 Authors + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#include "style-swatch.h" + +#include <glibmm/i18n.h> +#include <gtkmm/grid.h> + +#include "inkscape.h" +#include "style.h" + +#include "actions/actions-tools.h" // Open tool preferences. + +#include "object/sp-linear-gradient.h" +#include "object/sp-pattern.h" +#include "object/sp-radial-gradient.h" + +#include "ui/widget/color-preview.h" +#include "util/units.h" + +#include "widgets/spw-utilities.h" + +#include "xml/sp-css-attr.h" +#include "xml/attribute-record.h" + +enum { + SS_FILL, + SS_STROKE +}; + +namespace Inkscape { +namespace UI { +namespace Widget { + +/** + * Watches whether the tool uses the current style. + */ +class StyleSwatch::ToolObserver : public Inkscape::Preferences::Observer { +public: + ToolObserver(Glib::ustring const &path, StyleSwatch &ss) : + Observer(path), + _style_swatch(ss) + {} + void notify(Inkscape::Preferences::Entry const &val) override; +private: + StyleSwatch &_style_swatch; +}; + +/** + * Watches for changes in the observed style pref. + */ +class StyleSwatch::StyleObserver : public Inkscape::Preferences::Observer { +public: + StyleObserver(Glib::ustring const &path, StyleSwatch &ss) : + Observer(path), + _style_swatch(ss) + { + Inkscape::Preferences *prefs = Inkscape::Preferences::get(); + this->notify(prefs->getEntry(path)); + } + void notify(Inkscape::Preferences::Entry const &val) override { + SPCSSAttr *css = val.getInheritedStyle(); + _style_swatch.setStyle(css); + sp_repr_css_attr_unref(css); + } +private: + StyleSwatch &_style_swatch; +}; + +void StyleSwatch::ToolObserver::notify(Inkscape::Preferences::Entry const &val) +{ + bool usecurrent = val.getBool(); + + Inkscape::Preferences *prefs = Inkscape::Preferences::get(); + if (_style_swatch._style_obs) delete _style_swatch._style_obs; + + if (usecurrent) { + _style_swatch._style_obs = new StyleObserver("/desktop/style", _style_swatch); + + // If desktop's last-set style is empty, a tool uses its own fixed style even if set to use + // last-set (so long as it's empty). To correctly show this, we get the tool's style + // if the desktop's style is empty. + SPCSSAttr *css = prefs->getStyle("/desktop/style"); + const auto & al = css->attributeList(); + if (al.empty()) { + SPCSSAttr *css2 = prefs->getInheritedStyle(_style_swatch._tool_path + "/style"); + _style_swatch.setStyle(css2); + sp_repr_css_attr_unref(css2); + } + sp_repr_css_attr_unref(css); + } else { + _style_swatch._style_obs = new StyleObserver(_style_swatch._tool_path + "/style", _style_swatch); + } + prefs->addObserver(*_style_swatch._style_obs); +} + +StyleSwatch::StyleSwatch(SPCSSAttr *css, gchar const *main_tip) + : Gtk::Box(Gtk::ORIENTATION_HORIZONTAL), + _desktop(nullptr), + _css(nullptr), + _tool_obs(nullptr), + _style_obs(nullptr), + _table(Gtk::manage(new Gtk::Grid())), + _sw_unit(nullptr), + _stroke(Gtk::ORIENTATION_HORIZONTAL) +{ + set_name("StyleSwatch"); + _label[SS_FILL].set_markup(_("Fill:")); + _label[SS_STROKE].set_markup(_("Stroke:")); + + for (int i = SS_FILL; i <= SS_STROKE; i++) { + _label[i].set_halign(Gtk::ALIGN_START); + _label[i].set_valign(Gtk::ALIGN_CENTER); + _label[i].set_margin_top(0); + _label[i].set_margin_bottom(0); + _label[i].set_margin_start(0); + _label[i].set_margin_end(0); + + _color_preview[i] = new Inkscape::UI::Widget::ColorPreview (0); + } + + _opacity_value.set_halign(Gtk::ALIGN_START); + _opacity_value.set_valign(Gtk::ALIGN_CENTER); + _opacity_value.set_margin_top(0); + _opacity_value.set_margin_bottom(0); + _opacity_value.set_margin_start(0); + _opacity_value.set_margin_end(0); + + _table->set_column_spacing(2); + _table->set_row_spacing(0); + + _stroke.pack_start(_place[SS_STROKE]); + _stroke_width_place.add(_stroke_width); + _stroke.pack_start(_stroke_width_place, Gtk::PACK_SHRINK); + + _opacity_place.add(_opacity_value); + + _table->attach(_label[SS_FILL], 0, 0, 1, 1); + _table->attach(_label[SS_STROKE], 0, 1, 1, 1); + _table->attach(_place[SS_FILL], 1, 0, 1, 1); + _table->attach(_stroke, 1, 1, 1, 1); + _table->attach(_empty_space, 2, 0, 1, 2); + _table->attach(_opacity_place, 2, 0, 1, 2); + _swatch.add(*_table); + pack_start(_swatch, true, true, 0); + + set_size_request (STYLE_SWATCH_WIDTH, -1); + + setStyle (css); + + _swatch.signal_button_press_event().connect(sigc::mem_fun(*this, &StyleSwatch::on_click)); + + if (main_tip) + { + _swatch.set_tooltip_text(main_tip); + } +} + +void StyleSwatch::setToolName(const Glib::ustring& tool_name) { + _tool_name = tool_name; +} + +void StyleSwatch::setDesktop(SPDesktop *desktop) { + _desktop = desktop; +} + +bool +StyleSwatch::on_click(GdkEventButton */*event*/) +{ + if (_desktop && !_tool_name.empty()) { + auto win = _desktop->getInkscapeWindow(); + open_tool_preferences(win, _tool_name); + return true; + } + return false; +} + +StyleSwatch::~StyleSwatch() +{ + if (_css) + sp_repr_css_attr_unref (_css); + + for (int i = SS_FILL; i <= SS_STROKE; i++) { + delete _color_preview[i]; + } + + if (_style_obs) delete _style_obs; + if (_tool_obs) delete _tool_obs; +} + +void +StyleSwatch::setWatchedTool(const char *path, bool synthesize) +{ + Inkscape::Preferences *prefs = Inkscape::Preferences::get(); + + if (_tool_obs) { + delete _tool_obs; + _tool_obs = nullptr; + } + + if (path) { + _tool_path = path; + _tool_obs = new ToolObserver(_tool_path + "/usecurrent", *this); + prefs->addObserver(*_tool_obs); + } else { + _tool_path = ""; + } + + // hack until there is a real synthesize events function for prefs, + // which shouldn't be hard to write once there is sufficient need for it + if (synthesize && _tool_obs) { + _tool_obs->notify(prefs->getEntry(_tool_path + "/usecurrent")); + } +} + + +void StyleSwatch::setStyle(SPCSSAttr *css) +{ + if (_css) + sp_repr_css_attr_unref (_css); + + if (!css) + return; + + _css = sp_repr_css_attr_new(); + sp_repr_css_merge(_css, css); + + Glib::ustring css_string; + sp_repr_css_write_string (_css, css_string); + + SPStyle style(_desktop ? _desktop->getDocument() : nullptr); + if (!css_string.empty()) { + style.mergeString(css_string.c_str()); + } + setStyle (&style); +} + +void StyleSwatch::setStyle(SPStyle *query) +{ + _place[SS_FILL].remove(); + _place[SS_STROKE].remove(); + + bool has_stroke = true; + + for (int i = SS_FILL; i <= SS_STROKE; i++) { + Gtk::EventBox *place = &(_place[i]); + + SPIPaint *paint; + if (i == SS_FILL) { + paint = &(query->fill); + } else { + paint = &(query->stroke); + } + + if (paint->set && paint->isPaintserver()) { + SPPaintServer *server = (i == SS_FILL)? SP_STYLE_FILL_SERVER (query) : SP_STYLE_STROKE_SERVER (query); + + if (SP_IS_LINEARGRADIENT (server)) { + _value[i].set_markup(_("L Gradient")); + place->add(_value[i]); + place->set_tooltip_text((i == SS_FILL)? (_("Linear gradient (fill)")) : (_("Linear gradient (stroke)"))); + } else if (SP_IS_RADIALGRADIENT (server)) { + _value[i].set_markup(_("R Gradient")); + place->add(_value[i]); + place->set_tooltip_text((i == SS_FILL)? (_("Radial gradient (fill)")) : (_("Radial gradient (stroke)"))); + } else if (SP_IS_PATTERN (server)) { + _value[i].set_markup(_("Pattern")); + place->add(_value[i]); + place->set_tooltip_text((i == SS_FILL)? (_("Pattern (fill)")) : (_("Pattern (stroke)"))); + } + + } else if (paint->set && paint->isColor()) { + guint32 color = paint->value.color.toRGBA32( SP_SCALE24_TO_FLOAT ((i == SS_FILL)? query->fill_opacity.value : query->stroke_opacity.value) ); + ((Inkscape::UI::Widget::ColorPreview*)_color_preview[i])->setRgba32 (color); + _color_preview[i]->show_all(); + place->add(*_color_preview[i]); + gchar *tip; + if (i == SS_FILL) { + tip = g_strdup_printf (_("Fill: %06x/%.3g"), color >> 8, SP_RGBA32_A_F(color)); + } else { + tip = g_strdup_printf (_("Stroke: %06x/%.3g"), color >> 8, SP_RGBA32_A_F(color)); + } + place->set_tooltip_text(tip); + g_free (tip); + } else if (paint->set && paint->isNone()) { + _value[i].set_markup(C_("Fill and stroke", "<i>None</i>")); + place->add(_value[i]); + place->set_tooltip_text((i == SS_FILL)? (C_("Fill and stroke", "No fill")) : (C_("Fill and stroke", "No stroke"))); + if (i == SS_STROKE) has_stroke = false; + } else if (!paint->set) { + _value[i].set_markup(_("<b>Unset</b>")); + place->add(_value[i]); + place->set_tooltip_text((i == SS_FILL)? (_("Unset fill")) : (_("Unset stroke"))); + if (i == SS_STROKE) has_stroke = false; + } + } + +// Now query stroke_width + if (has_stroke) { + if (query->stroke_extensions.hairline) { + Glib::ustring swidth = "<small>"; + swidth += _("Hairline"); + swidth += "</small>"; + _stroke_width.set_markup(swidth.c_str()); + auto str = Glib::ustring::compose(_("Stroke width: %1"), _("Hairline")); + _stroke_width_place.set_tooltip_text(str); + } else { + double w; + if (_sw_unit) { + w = Inkscape::Util::Quantity::convert(query->stroke_width.computed, "px", _sw_unit); + } else { + w = query->stroke_width.computed; + } + + { + gchar *str = g_strdup_printf(" %.3g", w); + Glib::ustring swidth = "<small>"; + swidth += str; + swidth += "</small>"; + _stroke_width.set_markup(swidth.c_str()); + g_free (str); + } + { + gchar *str = g_strdup_printf(_("Stroke width: %.5g%s"), + w, + _sw_unit? _sw_unit->abbr.c_str() : "px"); + _stroke_width_place.set_tooltip_text(str); + g_free (str); + } + } + } else { + _stroke_width_place.set_tooltip_text(""); + _stroke_width.set_markup(""); + _stroke_width.set_has_tooltip(false); + } + + gdouble op = SP_SCALE24_TO_FLOAT(query->opacity.value); + if (op != 1) { + { + gchar *str; + str = g_strdup_printf(_("O: %2.0f"), (op*100.0)); + Glib::ustring opacity = "<small>"; + opacity += str; + opacity += "</small>"; + _opacity_value.set_markup (opacity.c_str()); + g_free (str); + } + { + gchar *str = g_strdup_printf(_("Opacity: %2.1f %%"), (op*100.0)); + _opacity_place.set_tooltip_text(str); + g_free (str); + } + } else { + _opacity_place.set_tooltip_text(""); + _opacity_value.set_markup(""); + _opacity_value.set_has_tooltip(false); + } + + show_all(); +} + +} // 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 : |