1 /**
2 * \brief SVG Fonts dialog
3 *
4 * Authors:
5 * Felipe C. da S. Sanches <felipe.sanches@gmail.com>
6 *
7 * Copyright (C) 2008 Authors
8 *
9 * Released under GNU GPLv2 (or later). Read the file 'COPYING' for more information.
10 */
12 #ifdef HAVE_CONFIG_H
13 # include <config.h>
14 #endif
16 #ifdef ENABLE_SVG_FONTS
18 #include "svg-fonts-dialog.h"
19 #include <string.h>
21 SvgFontDrawingArea::SvgFontDrawingArea(){
22 this->text = "";
23 this->svgfont = NULL;
24 ((Gtk::Widget*) this)->set_size_request(150, 50);
25 }
27 void SvgFontDrawingArea::set_svgfont(SvgFont* svgfont){
28 this->svgfont = svgfont;
29 }
31 void SvgFontDrawingArea::set_text(Glib::ustring text){
32 this->text = text;
33 }
35 void SvgFontDrawingArea::redraw(){
36 ((Gtk::Widget*) this)->queue_draw();
37 }
39 bool SvgFontDrawingArea::on_expose_event (GdkEventExpose *event){
40 if (this->svgfont){
41 Glib::RefPtr<Gdk::Window> window = get_window();
42 Cairo::RefPtr<Cairo::Context> cr = window->create_cairo_context();
43 cr->set_font_face( Cairo::RefPtr<Cairo::FontFace>(new Cairo::FontFace(this->svgfont->get_font_face(), false /* does not have reference */)) );
44 cr->set_font_size (20);
45 cr->move_to (20, 20);
46 cr->show_text (this->text.c_str());
47 }
48 return TRUE;
49 }
51 namespace Inkscape {
52 namespace UI {
53 namespace Dialog {
55 /*** SvgFontsDialog ***/
57 GlyphComboBox::GlyphComboBox(){
58 }
60 void GlyphComboBox::update(SPFont* spfont){
61 if (spfont) {
62 this->clear();
63 for(SPObject* node = spfont->children; node; node=node->next){
64 if (SP_IS_GLYPH(node)){
65 this->append_text(((SPGlyph*)node)->unicode);
66 }
67 }
68 }
69 }
71 void SvgFontsDialog::on_kerning_changed(){
72 //set kerning value = spin.value()
73 this->kerning_pair->k = kerning_spin.get_value();
74 kerning_preview.redraw();
75 _font_da.redraw();
76 }
78 void SvgFontsDialog::on_glyphs_changed(){
79 std::string str1(first_glyph.get_active_text());
80 std::string str2(second_glyph.get_active_text());
81 kerning_preview.set_text((gchar*) (str1+str2).c_str());
82 kerning_preview.redraw();
85 //look for this kerning pair on the currently selected font
86 this->kerning_pair = NULL;
87 for(SPObject* node = this->get_selected_spfont()->children; node; node=node->next){
88 if (SP_IS_HKERN(node) && ((SPGlyphKerning*)node)->u1->contains((gchar) first_glyph.get_active_text().c_str()[0])
89 && ((SPGlyphKerning*)node)->u2->contains((gchar) second_glyph.get_active_text().c_str()[0]) ){
90 this->kerning_pair = (SPGlyphKerning*)node;
91 continue;
92 }
93 }
95 //TODO:
96 //if not found,
97 //create new kern node
98 }
100 /* Add all fonts in the document to the combobox. */
101 void SvgFontsDialog::update_fonts()
102 {
103 SPDesktop* desktop = this->getDesktop();
104 SPDocument* document = sp_desktop_document(desktop);
105 const GSList* fonts = sp_document_get_resource_list(document, "font");
107 _model->clear();
108 for(const GSList *l = fonts; l; l = l->next) {
109 Gtk::TreeModel::Row row = *_model->append();
110 SPFont* f = (SPFont*)l->data;
111 row[_columns.spfont] = f;
112 row[_columns.svgfont] = new SvgFont(f);
113 const gchar* lbl = f->label();
114 const gchar* id = SP_OBJECT_ID(f);
115 row[_columns.label] = lbl ? lbl : (id ? id : "font");
116 }
117 }
119 void SvgFontsDialog::on_preview_text_changed(){
120 _font_da.set_text((gchar*) _preview_entry.get_text().c_str());
121 _font_da.set_text(_preview_entry.get_text());
122 _font_da.redraw();
123 }
125 void SvgFontsDialog::on_font_selection_changed(){
126 first_glyph.update(this->get_selected_spfont());
127 second_glyph.update(this->get_selected_spfont());
128 kerning_preview.set_svgfont(this->get_selected_svgfont());
129 _font_da.set_svgfont(this->get_selected_svgfont());
130 _font_da.redraw();
131 }
133 SvgFont* SvgFontsDialog::get_selected_svgfont()
134 {
135 Gtk::TreeModel::iterator i = _font_list.get_selection()->get_selected();
136 if(i)
137 return (*i)[_columns.svgfont];
138 return NULL;
139 }
141 SPFont* SvgFontsDialog::get_selected_spfont()
142 {
143 Gtk::TreeModel::iterator i = _font_list.get_selection()->get_selected();
144 if(i)
145 return (*i)[_columns.spfont];
146 return NULL;
147 }
149 SvgFontsDialog::SvgFontsDialog()
150 : UI::Widget::Panel("", "dialogs.svgfonts", SP_VERB_DIALOG_SVG_FONTS)
151 {
152 Gtk::HBox* hbox = Gtk::manage(new Gtk::HBox());
153 hbox->add(_font_list);
154 hbox->add(_font_settings);
155 _getContents()->add(*hbox);
157 //List of SVGFonts declared in a document:
158 _model = Gtk::ListStore::create(_columns);
159 _font_list.set_model(_model);
160 _font_list.append_column_editable("_Font", _columns.label);
161 _font_list.get_selection()->signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_font_selection_changed));
163 this->update_fonts();
165 //kerning setup:
166 Gtk::VBox* kernvbox = Gtk::manage(new Gtk::VBox());
167 _font_settings.add(*kernvbox);
168 kernvbox->add(*Gtk::manage(new Gtk::Label("Kerning Setup:")));
169 Gtk::HBox* kerning_selector = Gtk::manage(new Gtk::HBox());
170 kerning_selector->add(first_glyph);
171 kerning_selector->add(second_glyph);
172 kerning_spin.set_range(0,1000);
173 kerning_spin.set_increments(10,20);
174 first_glyph.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_glyphs_changed));
175 second_glyph.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_glyphs_changed));
176 kerning_spin.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_kerning_changed));
178 kernvbox->add(*kerning_selector);
179 kernvbox->add((Gtk::Widget&) kerning_preview);
180 kernvbox->add(kerning_spin);
182 //Text Preview:
183 _preview_entry.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_preview_text_changed));
184 _getContents()->add(*Gtk::manage(new Gtk::Label("Preview Text:")));
185 _getContents()->add((Gtk::Widget&) _font_da);
186 _preview_entry.set_text("Sample Text");
187 _font_da.set_text("Sample Text");
188 _getContents()->add(_preview_entry);
189 _getContents()->show_all();
190 }
192 SvgFontsDialog::~SvgFontsDialog(){}
194 } // namespace Dialog
195 } // namespace UI
196 } // namespace Inkscape
198 #endif //#ifdef ENABLE_SVG_FONTS