diff options
Diffstat (limited to 'src/ui/dialog/text-edit.cpp')
| -rw-r--r-- | src/ui/dialog/text-edit.cpp | 512 |
1 files changed, 512 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..b8d258b --- /dev/null +++ b/src/ui/dialog/text-edit.cpp @@ -0,0 +1,512 @@ +// 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 "document-undo.h" +#include "document.h" +#include "inkscape.h" +#include "style.h" +#include "text-editing.h" + +#include <libnrtype/FontFactory.h> +#include <libnrtype/font-instance.h> +#include <libnrtype/font-lister.h> + +#include "object/sp-flowtext.h" +#include "object/sp-text.h" +#include "object/sp-textpath.h" + +#include "io/resource.h" +#include "svg/css-ostringstream.h" +#include "ui/icon-names.h" +#include "ui/toolbar/text-toolbar.h" +#include "ui/widget/font-selector.h" + +#include "util/units.h" + + +namespace Inkscape { +namespace UI { +namespace Dialog { + +TextEdit::TextEdit() + : DialogBase("/dialogs/textandfont", "Text"), + selectChangedConn(), + subselChangedConn(), + selectModifiedConn(), + 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?.;/()")) +{ + + 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; + } + + 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); + + 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, 0); + feat_box->pack_start(font_features, true, true); + feat_box->reorder_child(font_features, 0); + +#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_buffer->signal_changed().connect(sigc::mem_fun(*this, &TextEdit::onChange)); + setasdefault_button->signal_clicked().connect(sigc::mem_fun(*this, &TextEdit::onSetDefault)); + apply_button->signal_clicked().connect(sigc::mem_fun(*this, &TextEdit::onApply)); + fontChangedConn = font_selector.connectChanged(sigc::mem_fun(*this, &TextEdit::onFontChange)); + fontFeaturesChangedConn = font_features.connectChanged(sigc::mem_fun(*this, &TextEdit::onChange)); + notebook->signal_switch_page().connect(sigc::mem_fun(*this, &TextEdit::onFontFeatures)); + + font_selector.set_name("TextEdit"); + + show_all_children(); +} + +TextEdit::~TextEdit() +{ + selectModifiedConn.disconnect(); + subselChangedConn.disconnect(); + selectChangedConn.disconnect(); + fontChangedConn.disconnect(); + fontFeaturesChangedConn.disconnect(); +} + +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 (SP_IS_TEXT(*i) || SP_IS_FLOWTEXT(*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 (SP_IS_TEXT(*i) || SP_IS_FLOWTEXT(*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 (SP_IS_TEXT (*i) || (SP_IS_FLOWTEXT (*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 (SP_IS_TEXT (item) || SP_IS_FLOWTEXT(item)) { + updateObjectText (item); + SPStyle *item_style = item->style; + if (SP_IS_TEXT(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* font_lister = Inkscape::FontLister::get_instance(); + font_lister->update_font_list(desktop->getDocument()); + + blocked = false; +} + +void TextEdit::onFontFeatures(Gtk::Widget * widgt, int pos) +{ + if (pos == 1) { + Glib::ustring fontspec = font_selector.get_fontspec(); + if (!fontspec.empty()) { + font_instance *res = font_factory::Default()->FaceFromFontSpecification(fontspec.c_str()); + if (res && !res->fulloaded) { + res->InitTheFace(true); + font_features.update_opentype(fontspec); + } + } + } +} + +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 : |