1 files changed, 647 insertions, 0 deletions

diff --git a/src/ui/dialog/text-edit.cpp b/src/ui/dialog/text-edit.cpp
new file mode 100644
index 0000000..6b4a433
--- /dev/null
+++ b/src/ui/dialog/text-edit.cpp
@@ -0,0 +1,647 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/**
+ * @file
+ * Text editing dialog.
+ */
+/* Authors:
+ *   Lauris Kaplinski <lauris@ximian.com>
+ *   bulia byak <buliabyak@users.sf.net>
+ *   Johan Engelen <goejendaagh@zonnet.nl>
+ *   Abhishek Sharma
+ *   John Smith
+ *   Tavmjong Bah
+ *
+ * Copyright (C) 1999-2013 Authors
+ * Copyright (C) 2000-2001 Ximian, Inc.
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"  // only include where actually required!
+#endif
+
+#include "text-edit.h"
+
+#include <glibmm/i18n.h>
+#include <glibmm/markup.h>
+
+#include <gtkmm/box.h>
+#include <gtkmm/builder.h>
+#include <gtkmm/button.h>
+#include <gtkmm/buttonbox.h>
+#include <gtkmm/label.h>
+#include <gtkmm/notebook.h>
+#include <gtkmm/textbuffer.h>
+#include <gtkmm/textview.h>
+
+#ifdef WITH_GSPELL
+# include <gspell/gspell.h>
+#endif
+
+#include "desktop-style.h"
+#include "desktop.h"
+#include "dialog-notebook.h"
+#include "dialog-container.h"
+#include "document-undo.h"
+#include "document.h"
+#include "inkscape.h"
+#include "style.h"
+#include "text-editing.h"
+
+#include <libnrtype/font-factory.h>
+#include <libnrtype/font-instance.h>
+#include <libnrtype/font-lister.h>
+
+#include "object/sp-flowtext.h"
+#include "object/sp-text.h"
+
+#include "io/resource.h"
+#include "svg/css-ostringstream.h"
+#include "ui/icon-names.h"
+#include "ui/widget/font-selector.h"
+
+#include "util/units.h"
+
+namespace Inkscape {
+namespace UI {
+namespace Dialog {
+
+TextEdit::TextEdit()
+    : DialogBase("/dialogs/textandfont", "Text")
+    , blocked(false)
+      /*
+           TRANSLATORS: Test string used in text and font dialog (when no
+           * text has been entered) to get a preview of the font.  Choose
+           * some representative characters that users of your locale will be
+           * interested in.*/
+    , samplephrase(_("AaBbCcIiPpQq12369$\342\202\254\302\242?.;/()"))
+    , _undo{"doc.undo"}
+    , _redo{"doc.redo"}
+{
+    std::string gladefile = get_filename_string(Inkscape::IO::Resource::UIS, "dialog-text-edit.glade");
+    Glib::RefPtr<Gtk::Builder> builder;
+    try {
+        builder = Gtk::Builder::create_from_file(gladefile);
+    } catch (const Glib::Error &ex) {
+        g_warning("GtkBuilder file loading failed for save template dialog");
+        return;
+    }
+
+    Inkscape::FontCollections *font_collections = Inkscape::FontCollections::get();
+
+    Gtk::Box *contents;
+    Gtk::Notebook *notebook;
+    Gtk::Box *font_box;
+    Gtk::Box *feat_box;
+
+    builder->get_widget("contents", contents);
+    builder->get_widget("notebook", notebook);
+    builder->get_widget("font_box", font_box);
+    builder->get_widget("feat_box", feat_box);
+    builder->get_widget("preview_label", preview_label);
+    builder->get_widget("preview_label2", preview_label2);
+    builder->get_widget("text_view", text_view);
+    builder->get_widget("setasdefault_button", setasdefault_button);
+    builder->get_widget("apply_button", apply_button);
+
+    builder->get_widget("settings_and_filters_box", settings_and_filters_box);
+    builder->get_widget("filter_menu_button", filter_menu_button);
+    builder->get_widget("reset_button", reset_button);
+    builder->get_widget("search_entry", search_entry);
+    builder->get_widget("font_count_label", font_count_label);
+    builder->get_widget("filter_popover", filter_popover);
+    builder->get_widget("popover_box", popover_box);
+    builder->get_widget("frame", frame);
+    builder->get_widget("frame_label", frame_label);
+    builder->get_widget("collection_editor_button", collection_editor_button);
+    builder->get_widget("collections_list", collections_list);
+
+    text_buffer = Glib::RefPtr<Gtk::TextBuffer>::cast_static(builder->get_object("text_buffer"));
+
+    font_box->pack_start(font_selector, true, true);
+    font_box->reorder_child(font_selector, 2);
+    feat_box->pack_start(font_features, true, true);
+    feat_box->reorder_child(font_features, 1);
+
+    // filter_popover->set_modal(false); // Stay open until button clicked again.
+    filter_popover->signal_show().connect([=](){
+        // update font collections checkboxes
+        display_font_collections();
+    }, false);
+
+    filter_menu_button->set_image_from_icon_name(INKSCAPE_ICON("font_collections"));
+    filter_menu_button->set_always_show_image(true);
+    filter_menu_button->set_label(_("Collections"));
+
+#ifdef WITH_GSPELL
+    /*
+       TODO: Use computed xml:lang attribute of relevant element, if present, to specify the
+       language (either as 2nd arg of gtkspell_new_attach, or with explicit
+       gtkspell_set_language call in; see advanced.c example in gtkspell docs).
+       onReadSelection looks like a suitable place.
+    */
+    GspellTextView *gspell_view = gspell_text_view_get_from_gtk_text_view(text_view->gobj());
+    gspell_text_view_basic_setup(gspell_view);
+#endif
+
+    add(*contents);
+
+    /* Signal handlers */
+    text_view->signal_key_press_event().connect(sigc::mem_fun(*this, &TextEdit::captureUndo));
+    text_buffer->signal_changed().connect([=](){ onChange(); });
+    setasdefault_button->signal_clicked().connect([=](){ onSetDefault(); });
+    apply_button->signal_clicked().connect([=](){ onApply(); });
+    fontChangedConn = font_selector.connectChanged(sigc::mem_fun(*this, &TextEdit::onFontChange));
+    fontFeaturesChangedConn = font_features.connectChanged([=](){ onChange(); });
+    notebook->signal_switch_page().connect(sigc::mem_fun(*this, &TextEdit::onFontFeatures));
+    search_entry->signal_search_changed().connect([=](){ on_search_entry_changed(); });
+    reset_button->signal_clicked().connect([=](){ on_reset_button_pressed(); });
+    collection_editor_button->signal_clicked().connect([=](){ on_fcm_button_clicked(); });
+    Inkscape::FontLister::get_instance()->connectUpdate(sigc::mem_fun(*this, &TextEdit::change_font_count_label));
+    fontCollectionsUpdate = font_collections->connect_update([=]() { display_font_collections(); });
+    fontCollectionsChangedSelection = font_collections->connect_selection_update([=]() { display_font_collections(); });
+
+    font_selector.set_name("TextEdit");
+    change_font_count_label();
+
+    show_all_children();
+}
+
+TextEdit::~TextEdit()
+{
+    selectModifiedConn.disconnect();
+    subselChangedConn.disconnect();
+    selectChangedConn.disconnect();
+    fontChangedConn.disconnect();
+    fontFeaturesChangedConn.disconnect();
+}
+
+bool TextEdit::captureUndo(GdkEventKey *key)
+{
+    if (_undo.isTriggeredBy(key) || _redo.isTriggeredBy(key)) {
+        /*
+         * TODO: Handle these events separately after switching to GTKMM4
+         * Fixes: https://gitlab.com/inkscape/inkscape/-/issues/744
+         */
+        return true;
+    }
+
+    return false;
+}
+
+void TextEdit::onReadSelection ( gboolean dostyle, gboolean /*docontent*/ )
+{
+    if (blocked)
+        return;
+
+    blocked = true;
+
+    SPItem *text = getSelectedTextItem ();
+
+    Glib::ustring phrase = samplephrase;
+
+    if (text)
+    {
+        guint items = getSelectedTextCount ();
+        bool has_one_item = items == 1;
+        text_view->set_sensitive(has_one_item);
+        apply_button->set_sensitive(false);
+        setasdefault_button->set_sensitive(true);
+
+        Glib::ustring str = sp_te_get_string_multiline(text);
+        if (!str.empty()) {
+            if (has_one_item) {
+                text_buffer->set_text(str);
+                text_buffer->set_modified(false);
+            }
+            phrase = str;
+
+        } else {
+            text_buffer->set_text("");
+        }
+
+        text->getRepr(); // was being called but result ignored. Check this.
+    } else {
+        text_view->set_sensitive(false);
+        apply_button->set_sensitive(false);
+        setasdefault_button->set_sensitive(false);
+    }
+
+    if (dostyle && text) {
+        auto *desktop = getDesktop();
+
+        // create temporary style
+        SPStyle query(desktop->getDocument());
+
+        // Query style from desktop into it. This returns a result flag and fills query with the
+        // style of subselection, if any, or selection
+
+        int result_numbers = sp_desktop_query_style (desktop, &query, QUERY_STYLE_PROPERTY_FONTNUMBERS);
+
+        // If querying returned nothing, read the style from the text tool prefs (default style for new texts).
+        if (result_numbers == QUERY_STYLE_NOTHING) {
+            query.readFromPrefs("/tools/text");
+        }
+
+        Inkscape::FontLister* font_lister = Inkscape::FontLister::get_instance();
+
+        // Update family/style based on selection.
+        font_lister->selection_update();
+        Glib::ustring fontspec = font_lister->get_fontspec();
+
+        // Update Font Face.
+        font_selector.update_font ();
+
+        // Update Size.
+        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+        int unit = prefs->getInt("/options/font/unitType", SP_CSS_UNIT_PT);
+        double size = sp_style_css_size_px_to_units(query.font_size.computed, unit);
+        font_selector.update_size (size);
+        selected_fontsize = size;
+        // Update font features (variant) widget
+        //int result_features =
+        sp_desktop_query_style (desktop, &query, QUERY_STYLE_PROPERTY_FONTVARIANTS);
+        int result_features =
+            sp_desktop_query_style (desktop, &query, QUERY_STYLE_PROPERTY_FONTFEATURESETTINGS);
+        font_features.update( &query, result_features == QUERY_STYLE_MULTIPLE_DIFFERENT, fontspec );
+        Glib::ustring features = font_features.get_markup();
+
+        // Update Preview
+        setPreviewText (fontspec, features, phrase);
+    }
+
+    blocked = false;
+}
+
+
+void TextEdit::setPreviewText (Glib::ustring font_spec, Glib::ustring font_features, Glib::ustring phrase)
+{
+    if (font_spec.empty()) {
+        preview_label->set_markup("");
+        preview_label2->set_markup("");
+        return;
+    }
+
+    // Limit number of lines in preview to arbitrary amount to prevent Text and Font dialog
+    // from growing taller than a desktop
+    const int max_lines = 4;
+    // Ignore starting empty lines; they would show up as nothing
+    auto start_pos = phrase.find_first_not_of(" \n\r\t");
+    if (start_pos == Glib::ustring::npos) {
+        start_pos = 0;
+    }
+    // Now take up to max_lines
+    auto end_pos = Glib::ustring::npos;
+    auto from = start_pos;
+    for (int i = 0; i < max_lines; ++i) {
+        end_pos = phrase.find("\n", from);
+        if (end_pos == Glib::ustring::npos) { break; }
+        from = end_pos + 1;
+    }
+    Glib::ustring phrase_trimmed = phrase.substr(start_pos, end_pos != Glib::ustring::npos ? end_pos - start_pos : end_pos);
+
+    Glib::ustring font_spec_escaped = Glib::Markup::escape_text( font_spec );
+    Glib::ustring phrase_escaped = Glib::Markup::escape_text(phrase_trimmed);
+
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+    int unit = prefs->getInt("/options/font/unitType", SP_CSS_UNIT_PT);
+    double pt_size =
+        Inkscape::Util::Quantity::convert(
+            sp_style_css_size_units_to_px(font_selector.get_fontsize(), unit), "px", "pt");
+    pt_size = std::min(pt_size, 100.0);
+
+    // Pango font size is in 1024ths of a point
+    Glib::ustring size = std::to_string( int(pt_size * PANGO_SCALE) );
+    Glib::ustring markup = "<span font=\'" + font_spec_escaped +
+        "\' size=\'" + size + "\'";
+    if (!font_features.empty()) {
+        markup += " font_features=\'" + font_features + "\'";
+    }
+    markup += ">" + phrase_escaped + "</span>";
+
+    preview_label->set_markup (markup);
+    preview_label2->set_markup (markup);
+}
+
+
+SPItem *TextEdit::getSelectedTextItem ()
+{
+    if (!getDesktop())
+        return nullptr;
+
+    auto tmp= getDesktop()->getSelection()->items();
+	for(auto i=tmp.begin();i!=tmp.end();++i)
+    {
+        if (is<SPText>(*i) || is<SPFlowtext>(*i))
+            return *i;
+    }
+
+    return nullptr;
+}
+
+
+unsigned TextEdit::getSelectedTextCount ()
+{
+    if (!getDesktop())
+        return 0;
+
+    unsigned int items = 0;
+
+    auto tmp= getDesktop()->getSelection()->items();
+	for(auto i=tmp.begin();i!=tmp.end();++i)
+    {
+        if (is<SPText>(*i) || is<SPFlowtext>(*i))
+            ++items;
+    }
+
+    return items;
+}
+
+void TextEdit::documentReplaced()
+{
+    onReadSelection(true, true);
+}
+
+void TextEdit::selectionChanged(Selection *selection)
+{
+    onReadSelection(true, true);
+}
+
+void TextEdit::selectionModified(Selection *selection, guint flags)
+{
+    bool style = ((flags & (SP_OBJECT_CHILD_MODIFIED_FLAG |
+                            SP_OBJECT_STYLE_MODIFIED_FLAG  )) != 0 );
+    bool content = ((flags & (SP_OBJECT_CHILD_MODIFIED_FLAG |
+                              SP_TEXT_CONTENT_MODIFIED_FLAG  )) != 0 );
+    onReadSelection (style, content);
+}
+
+
+void TextEdit::updateObjectText ( SPItem *text )
+{
+    Gtk::TextIter start, end;
+
+    // write text
+    if (text_buffer->get_modified()) {
+        text_buffer->get_bounds(start, end);
+        Glib::ustring str = text_buffer->get_text(start, end);
+        sp_te_set_repr_text_multiline (text, str.c_str());
+        text_buffer->set_modified(false);
+    }
+}
+
+SPCSSAttr *TextEdit::fillTextStyle ()
+{
+        SPCSSAttr *css = sp_repr_css_attr_new ();
+
+        Glib::ustring fontspec = font_selector.get_fontspec();
+
+        if( !fontspec.empty() ) {
+
+            Inkscape::FontLister *fontlister = Inkscape::FontLister::get_instance();
+            fontlister->fill_css( css, fontspec );
+
+            // TODO, possibly move this to FontLister::set_css to be shared.
+            Inkscape::CSSOStringStream os;
+            Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+            int unit = prefs->getInt("/options/font/unitType", SP_CSS_UNIT_PT);
+            if (prefs->getBool("/options/font/textOutputPx", true)) {
+                os << sp_style_css_size_units_to_px(font_selector.get_fontsize(), unit)
+                   << sp_style_get_css_unit_string(SP_CSS_UNIT_PX);
+            } else {
+                os << font_selector.get_fontsize() << sp_style_get_css_unit_string(unit);
+            }
+            sp_repr_css_set_property (css, "font-size", os.str().c_str());
+        }
+
+        // Font features
+        font_features.fill_css( css );
+
+        return css;
+}
+
+void TextEdit::onSetDefault()
+{
+    SPCSSAttr *css = fillTextStyle ();
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+
+    blocked = true;
+    prefs->mergeStyle("/tools/text/style", css);
+    blocked = false;
+
+    sp_repr_css_attr_unref (css);
+
+    setasdefault_button->set_sensitive ( false );
+}
+
+void TextEdit::onApply()
+{
+    blocked = true;
+
+    SPDesktop *desktop = getDesktop();
+
+    unsigned items = 0;
+    auto item_list = desktop->getSelection()->items();
+    SPCSSAttr *css = fillTextStyle ();
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+    for(auto i=item_list.begin();i!=item_list.end();++i){
+        // apply style to the reprs of all text objects in the selection
+        if (is<SPText>(*i) || (is<SPFlowtext>(*i)) ) {
+            ++items;
+        }
+    }
+    if (items == 1) {
+        double factor = font_selector.get_fontsize() / selected_fontsize;
+        prefs->setDouble("/options/font/scaleLineHeightFromFontSIze", factor);
+    }
+    sp_desktop_set_style(desktop, css, true);
+
+    if (items == 0) {
+        // no text objects; apply style to prefs for new objects
+        prefs->mergeStyle("/tools/text/style", css);
+        setasdefault_button->set_sensitive ( false );
+
+    } else if (items == 1) {
+        // exactly one text object; now set its text, too
+        SPItem *item = desktop->getSelection()->singleItem();
+        if (is<SPText>(item) || is<SPFlowtext>(item)) {
+            updateObjectText (item);
+            SPStyle *item_style = item->style;
+            if (is<SPText>(item) && item_style->inline_size.value == 0) {
+                css = sp_css_attr_from_style(item_style, SP_STYLE_FLAG_IFSET);
+                sp_repr_css_unset_property(css, "inline-size");
+                item->changeCSS(css, "style");
+            }
+        }
+    }
+
+    // Update FontLister
+    Glib::ustring fontspec = font_selector.get_fontspec();
+    if( !fontspec.empty() ) {
+        Inkscape::FontLister *fontlister = Inkscape::FontLister::get_instance();
+        fontlister->set_fontspec( fontspec, false );
+    }
+
+    // complete the transaction
+    DocumentUndo::done(desktop->getDocument(), _("Set text style"), INKSCAPE_ICON("draw-text"));
+    apply_button->set_sensitive ( false );
+
+    sp_repr_css_attr_unref (css);
+    Inkscape::FontLister::get_instance()->update_font_list(desktop->getDocument());
+
+    blocked = false;
+}
+
+void TextEdit::display_font_collections()
+{
+    // std::cout << "TextEdit::display_font_collections()" << std::endl;
+
+    for (auto row : collections_list->get_children()) {
+        if (row) {
+            collections_list->remove(*row);
+        }
+    }
+
+    FontCollections *font_collections = Inkscape::FontCollections::get();
+
+    // Insert system collections.
+    for(auto const& col: font_collections->get_collections(true)) {
+        auto btn = Gtk::make_managed<Gtk::CheckButton>(col);
+        btn->set_margin_bottom(2);
+        btn->set_active(font_collections->is_collection_selected(col));
+        btn->signal_toggled().connect([=](){
+            // toggle font system collection
+            font_collections->update_selected_collections(col);
+        });
+// g_message("tag: %s", tag.display_name.c_str());
+        auto row = Gtk::make_managed<Gtk::ListBoxRow>();
+        row->set_can_focus(false);
+        row->add(*btn);
+        row->show_all();
+        collections_list->append(*row);
+    }
+
+    // Insert row separator.
+    auto sep = Gtk::make_managed<Gtk::Separator>();
+    sep->set_margin_bottom(2);
+    auto sep_row = Gtk::make_managed<Gtk::ListBoxRow>();
+    sep_row->set_can_focus(false);
+    sep_row->add(*sep);
+    sep_row->show_all();
+    collections_list->append(*sep_row);
+
+    // Insert user collections.
+    for (auto const& col: font_collections->get_collections()) {
+        auto btn = Gtk::make_managed<Gtk::CheckButton>(col);
+        btn->set_margin_bottom(2);
+        btn->set_active(font_collections->is_collection_selected(col));
+        btn->signal_toggled().connect([=](){
+            // toggle font collection
+            font_collections->update_selected_collections(col);
+        });
+// g_message("tag: %s", tag.display_name.c_str());
+        auto row = Gtk::make_managed<Gtk::ListBoxRow>();
+        row->set_can_focus(false);
+        row->add(*btn);
+        row->show_all();
+        collections_list->append(*row);
+    }
+}
+
+void TextEdit::onFontFeatures(Gtk::Widget * widgt, int pos)
+{
+    if (pos == 1) {
+        Glib::ustring fontspec = font_selector.get_fontspec();
+        if (!fontspec.empty()) {
+            auto res = FontFactory::get().FaceFromFontSpecification(fontspec.c_str());
+            if (res) {
+                font_features.update_opentype(fontspec);
+            }
+        }
+    }
+}
+
+void TextEdit::on_search_entry_changed()
+{
+    auto search_txt = search_entry->get_text();
+    font_selector.unset_model();
+    Inkscape::FontLister *font_lister = Inkscape::FontLister::get_instance();
+    font_lister->show_results(search_txt);
+    font_selector.set_model();
+}
+
+void TextEdit::on_reset_button_pressed()
+{
+    FontCollections *font_collections = Inkscape::FontCollections::get();
+    search_entry->set_text("");
+
+    // Un-select all the selected font collections.
+    font_collections->clear_selected_collections();
+
+    Inkscape::FontLister *font_lister = Inkscape::FontLister::get_instance();
+    font_lister->init_font_families();
+    font_lister->init_default_styles();
+    SPDocument *document = getDesktop()->getDocument();
+    font_lister->add_document_fonts_at_top(document);
+}
+
+void TextEdit::change_font_count_label()
+{
+    auto label = Inkscape::FontLister::get_instance()->get_font_count_label();
+    font_count_label->set_label(label);
+}
+
+void TextEdit::on_fcm_button_clicked()
+{
+    // Inkscape::UI::Dialog::FontCollectionsManager::getInstance();
+    if(auto desktop = SP_ACTIVE_DESKTOP) {
+        if (auto container = desktop->getContainer()) {
+            container->new_floating_dialog("FontCollections");
+        }
+    }
+}
+
+void TextEdit::onChange()
+{
+    if (blocked) {
+        return;
+    }
+
+    Gtk::TextIter start, end;
+    text_buffer->get_bounds(start, end);
+    Glib::ustring str = text_buffer->get_text(start, end);
+
+    Glib::ustring fontspec = font_selector.get_fontspec();
+    Glib::ustring features = font_features.get_markup();
+    const Glib::ustring& phrase = str.empty() ? samplephrase : str;
+    setPreviewText(fontspec, features, phrase);
+
+    SPItem *text = getSelectedTextItem();
+    if (text) {
+        apply_button->set_sensitive ( true );
+    }
+
+    setasdefault_button->set_sensitive ( true);
+}
+
+void TextEdit::onFontChange(Glib::ustring fontspec)
+{
+    // Is not necessary update open type features this done when user click on font features tab
+    onChange();
+}
+
+} //namespace Dialog
+} //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 :