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 <gtkmm/notebook.h>
19 #include "svg-fonts-dialog.h"
20 #include <glibmm/i18n.h>
21 #include <string.h>
23 SvgFontDrawingArea::SvgFontDrawingArea(){
24 this->text = "";
25 this->svgfont = NULL;
26 }
28 void SvgFontDrawingArea::set_svgfont(SvgFont* svgfont){
29 this->svgfont = svgfont;
30 }
32 void SvgFontDrawingArea::set_text(Glib::ustring text){
33 this->text = text;
34 }
36 void SvgFontDrawingArea::set_size(int x, int y){
37 this->x = x;
38 this->y = y;
39 ((Gtk::Widget*) this)->set_size_request(x, y);
40 }
42 void SvgFontDrawingArea::redraw(){
43 ((Gtk::Widget*) this)->queue_draw();
44 }
46 bool SvgFontDrawingArea::on_expose_event (GdkEventExpose *event){
47 if (this->svgfont){
48 Glib::RefPtr<Gdk::Window> window = get_window();
49 Cairo::RefPtr<Cairo::Context> cr = window->create_cairo_context();
50 cr->set_font_face( Cairo::RefPtr<Cairo::FontFace>(new Cairo::FontFace(this->svgfont->get_font_face(), false /* does not have reference */)) );
51 cr->set_font_size (this->y-20);
52 cr->move_to (10, 10);
53 cr->show_text (this->text.c_str());
54 }
55 return TRUE;
56 }
58 namespace Inkscape {
59 namespace UI {
60 namespace Dialog {
62 Gtk::HBox* SvgFontsDialog::AttrEntry(gchar* lbl){
63 Gtk::HBox* hbox = Gtk::manage(new Gtk::HBox());
64 hbox->add(* Gtk::manage(new Gtk::Label(lbl)) );
65 hbox->add(* Gtk::manage(new Gtk::Entry()) );
66 hbox->show_all();
67 return hbox;
68 }
70 Gtk::HBox* SvgFontsDialog::AttrCombo(gchar* lbl){
71 Gtk::HBox* hbox = Gtk::manage(new Gtk::HBox());
72 hbox->add(* Gtk::manage(new Gtk::Label(lbl)) );
73 hbox->add(* Gtk::manage(new Gtk::ComboBox()) );
74 hbox->show_all();
75 return hbox;
76 }
78 /*
79 Gtk::HBox* SvgFontsDialog::AttrSpin(gchar* lbl){
80 Gtk::HBox* hbox = Gtk::manage(new Gtk::HBox());
81 hbox->add(* Gtk::manage(new Gtk::Label(lbl)) );
82 hbox->add(* Gtk::manage(new Gtk::SpinBox()) );
83 hbox->show_all();
84 return hbox;
85 }*/
87 /*** SvgFontsDialog ***/
89 GlyphComboBox::GlyphComboBox(){
90 }
92 void GlyphComboBox::update(SPFont* spfont){
93 if (spfont) {
94 this->clear();
95 for(SPObject* node = spfont->children; node; node=node->next){
96 if (SP_IS_GLYPH(node)){
97 this->append_text(((SPGlyph*)node)->unicode);
98 }
99 }
100 }
101 }
103 void SvgFontsDialog::on_kerning_changed(){
104 if (this->kerning_pair){
105 this->kerning_pair->k = kerning_spin.get_value();
106 kerning_preview.redraw();
107 _font_da.redraw();
108 }
109 }
111 void SvgFontsDialog::on_glyphs_changed(){
112 std::string str1(first_glyph.get_active_text());
113 std::string str2(second_glyph.get_active_text());
114 kerning_preview.set_text((gchar*) (str1+str2).c_str());
115 kerning_preview.redraw();
118 //look for this kerning pair on the currently selected font
119 this->kerning_pair = NULL;
120 for(SPObject* node = this->get_selected_spfont()->children; node; node=node->next){
121 if (SP_IS_HKERN(node) && ((SPGlyphKerning*)node)->u1->contains((gchar) first_glyph.get_active_text().c_str()[0])
122 && ((SPGlyphKerning*)node)->u2->contains((gchar) second_glyph.get_active_text().c_str()[0]) ){
123 this->kerning_pair = (SPGlyphKerning*)node;
124 continue;
125 }
126 }
128 //TODO:
129 //if not found,
130 //create new kern node
131 if (this->kerning_pair)
132 kerning_spin.set_value(this->kerning_pair->k);
133 }
135 /* Add all fonts in the document to the combobox. */
136 void SvgFontsDialog::update_fonts()
137 {
138 SPDesktop* desktop = this->getDesktop();
139 SPDocument* document = sp_desktop_document(desktop);
140 const GSList* fonts = sp_document_get_resource_list(document, "font");
142 _model->clear();
143 for(const GSList *l = fonts; l; l = l->next) {
144 Gtk::TreeModel::Row row = *_model->append();
145 SPFont* f = (SPFont*)l->data;
146 row[_columns.spfont] = f;
147 row[_columns.svgfont] = new SvgFont(f);
148 const gchar* lbl = f->label();
149 const gchar* id = SP_OBJECT_ID(f);
150 row[_columns.label] = lbl ? lbl : (id ? id : "font");
151 }
152 }
154 void SvgFontsDialog::on_preview_text_changed(){
155 _font_da.set_text((gchar*) _preview_entry.get_text().c_str());
156 _font_da.set_text(_preview_entry.get_text());
157 _font_da.redraw();
158 }
160 void SvgFontsDialog::on_font_selection_changed(){
161 SPFont* spfont = this->get_selected_spfont();
162 SvgFont* svgfont = this->get_selected_svgfont();
163 first_glyph.update(spfont);
164 second_glyph.update(spfont);
165 kerning_preview.set_svgfont(svgfont);
166 _font_da.set_svgfont(svgfont);
167 _font_da.redraw();
169 int steps = 50;
170 double set_width = spfont->horiz_adv_x;
171 setwidth_spin.set_value(set_width);
173 kerning_spin.set_range(0,set_width);
174 kerning_spin.set_increments(int(set_width/steps),2*int(set_width/steps));
175 kerning_spin.set_value(0);
176 }
178 void SvgFontsDialog::on_setwidth_changed(){
179 SPFont* spfont = this->get_selected_spfont();
180 if (spfont){
181 spfont->horiz_adv_x = setwidth_spin.get_value();
182 //TODO: tell cairo that the glyphs cache has to be invalidated
183 }
184 }
186 SvgFont* SvgFontsDialog::get_selected_svgfont()
187 {
188 Gtk::TreeModel::iterator i = _font_list.get_selection()->get_selected();
189 if(i)
190 return (*i)[_columns.svgfont];
191 return NULL;
192 }
194 SPFont* SvgFontsDialog::get_selected_spfont()
195 {
196 Gtk::TreeModel::iterator i = _font_list.get_selection()->get_selected();
197 if(i)
198 return (*i)[_columns.spfont];
199 return NULL;
200 }
202 Gtk::VBox* SvgFontsDialog::global_settings_tab(){
203 Gtk::VBox* global_vbox = Gtk::manage(new Gtk::VBox());
205 global_vbox->add(*AttrEntry((gchar*) "Family Name"));
206 global_vbox->add(*AttrCombo((gchar*) "Style"));
207 global_vbox->add(*AttrCombo((gchar*) "Variant"));
208 global_vbox->add(*AttrCombo((gchar*) "Weight"));
210 //Set Width (horiz_adv_x):
211 Gtk::HBox* setwidth_hbox = Gtk::manage(new Gtk::HBox());
212 setwidth_hbox->add(*Gtk::manage(new Gtk::Label(_("Set width:"))));
213 setwidth_hbox->add(setwidth_spin);
215 setwidth_spin.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_setwidth_changed));
216 setwidth_spin.set_range(0, 4096);
217 setwidth_spin.set_increments(10, 100);
218 global_vbox->add(*setwidth_hbox);
220 return global_vbox;
221 }
223 Gtk::VBox* SvgFontsDialog::glyphs_tab(){
224 Gtk::VBox* glyphs_vbox = Gtk::manage(new Gtk::VBox());
225 glyphs_vbox->add(*AttrEntry((gchar*) "Glyph Name"));
226 glyphs_vbox->add(*AttrEntry((gchar*) "Unicode"));
227 //glyphs_vbox->add(*AttrSpin((gchar*) "Horizontal Advance"));
228 //glyphs_vbox->add(*AttrCombo((gchar*) "Missing Glyph"));
229 return glyphs_vbox;
230 }
232 Gtk::VBox* SvgFontsDialog::kerning_tab(){
234 //kerning setup:
235 Gtk::VBox* kernvbox = Gtk::manage(new Gtk::VBox());
237 //Kerning Setup:
238 kernvbox->add(*Gtk::manage(new Gtk::Label(_("Kerning Setup:"))));
239 Gtk::HBox* kerning_selector = Gtk::manage(new Gtk::HBox());
240 kerning_selector->add(*Gtk::manage(new Gtk::Label(_("1st Glyph:"))));
241 kerning_selector->add(first_glyph);
242 kerning_selector->add(*Gtk::manage(new Gtk::Label(_("2nd Glyph:"))));
243 kerning_selector->add(second_glyph);
244 first_glyph.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_glyphs_changed));
245 second_glyph.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_glyphs_changed));
246 kerning_spin.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_kerning_changed));
248 kernvbox->add(*kerning_selector);
249 kernvbox->add((Gtk::Widget&) kerning_preview);
251 Gtk::HBox* kerning_amount_hbox = Gtk::manage(new Gtk::HBox());
252 kernvbox->add(*kerning_amount_hbox);
253 kerning_amount_hbox->add(*Gtk::manage(new Gtk::Label(_("Kerning value:"))));
254 kerning_amount_hbox->add(kerning_spin);
256 kerning_preview.set_size(300 + 20, 150 + 20);
257 _font_da.set_size(150 + 20, 50 + 20);
259 return kernvbox;
260 }
262 SvgFontsDialog::SvgFontsDialog()
263 : UI::Widget::Panel("", "dialogs.svgfonts", SP_VERB_DIALOG_SVG_FONTS)
264 {
265 Gtk::HBox* hbox = Gtk::manage(new Gtk::HBox());
266 hbox->add(_font_list);
267 hbox->add(_font_settings);
268 _getContents()->add(*hbox);
270 //List of SVGFonts declared in a document:
271 _model = Gtk::ListStore::create(_columns);
272 _font_list.set_model(_model);
273 _font_list.append_column_editable(_("_Font"), _columns.label);
274 _font_list.get_selection()->signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_font_selection_changed));
276 this->update_fonts();
278 Gtk::Notebook *tabs = Gtk::manage(new Gtk::Notebook());
279 tabs->set_scrollable();
281 tabs->append_page(*global_settings_tab(), _("_Global Settings"), true);
282 tabs->append_page(*glyphs_tab(), _("_Glyphs"), true);
283 tabs->append_page(*kerning_tab(), _("_Kerning"), true);
285 _font_settings.add(*tabs);
287 //Text Preview:
288 _preview_entry.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_preview_text_changed));
289 _getContents()->add((Gtk::Widget&) _font_da);
290 _preview_entry.set_text("Sample Text");
291 _font_da.set_text("Sample Text");
293 Gtk::HBox* preview_entry_hbox = Gtk::manage(new Gtk::HBox());
294 _getContents()->add(*preview_entry_hbox);
295 preview_entry_hbox->add(*Gtk::manage(new Gtk::Label(_("Preview Text:"))));
296 preview_entry_hbox->add(_preview_entry);
298 _getContents()->show_all();
299 }
301 SvgFontsDialog::~SvgFontsDialog(){}
303 } // namespace Dialog
304 } // namespace UI
305 } // namespace Inkscape
307 #endif //#ifdef ENABLE_SVG_FONTS