1 /** @file
2 * @brief SVG Fonts dialog - implementation
3 */
4 /* Authors:
5 * Felipe C. da S. Sanches <felipe.sanches@gmail.com>
6 *
7 * Copyright (C) 2008 Authors
8 * Released under GNU GPLv2 (or later). Read the file 'COPYING' for more information.
9 */
11 #ifdef HAVE_CONFIG_H
12 # include <config.h>
13 #endif
15 #ifdef ENABLE_SVG_FONTS
17 #include <gtkmm/notebook.h>
18 #include "svg-fonts-dialog.h"
19 #include <glibmm/i18n.h>
20 #include <string.h>
21 #include "xml/node.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 /*
63 Gtk::HBox* SvgFontsDialog::AttrEntry(gchar* lbl, const SPAttributeEnum attr){
64 Gtk::HBox* hbox = Gtk::manage(new Gtk::HBox());
65 hbox->add(* Gtk::manage(new Gtk::Label(lbl)) );
66 Gtk::Entry* entry = Gtk::manage(new Gtk::Entry());
67 hbox->add(* entry );
68 hbox->show_all();
70 entry->signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_attr_changed));
71 return hbox;
72 }
73 */
75 SvgFontsDialog::AttrEntry::AttrEntry(SvgFontsDialog* d, gchar* lbl, const SPAttributeEnum attr){
76 this->dialog = d;
77 this->attr = attr;
78 this->add(* Gtk::manage(new Gtk::Label(lbl)) );
79 this->add(entry);
80 this->show_all();
82 entry.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::AttrEntry::on_attr_changed));
83 }
85 void SvgFontsDialog::AttrEntry::on_attr_changed(){
86 g_warning("attr entry changed: %s", this->entry.get_text().c_str());
88 SPObject* o = NULL;
89 for(SPObject* node = this->dialog->get_selected_spfont()->children; node; node=node->next){
90 switch(this->attr){
91 case SP_PROP_FONT_FAMILY:
92 if (SP_IS_FONTFACE(node)){
93 o = node;
94 continue;
95 }
96 break;
97 default:
98 o = NULL;
99 }
100 }
102 const gchar* name = (const gchar*)sp_attribute_name(this->attr);
103 if(name && o) {
104 SP_OBJECT_REPR(o)->setAttribute((const gchar*) name, this->entry.get_text().c_str());
105 o->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
107 Glib::ustring undokey = "svgfonts:";
108 undokey += name;
109 sp_document_maybe_done(o->document, undokey.c_str(), SP_VERB_DIALOG_SVG_FONTS,
110 _("Set SVG Font attribute"));
111 }
113 }
115 Gtk::HBox* SvgFontsDialog::AttrCombo(gchar* lbl, const SPAttributeEnum attr){
116 Gtk::HBox* hbox = Gtk::manage(new Gtk::HBox());
117 hbox->add(* Gtk::manage(new Gtk::Label(lbl)) );
118 hbox->add(* Gtk::manage(new Gtk::ComboBox()) );
119 hbox->show_all();
120 return hbox;
121 }
123 /*
124 Gtk::HBox* SvgFontsDialog::AttrSpin(gchar* lbl){
125 Gtk::HBox* hbox = Gtk::manage(new Gtk::HBox());
126 hbox->add(* Gtk::manage(new Gtk::Label(lbl)) );
127 hbox->add(* Gtk::manage(new Gtk::SpinBox()) );
128 hbox->show_all();
129 return hbox;
130 }*/
132 /*** SvgFontsDialog ***/
134 GlyphComboBox::GlyphComboBox(){
135 }
137 void GlyphComboBox::update(SPFont* spfont){
138 if (spfont) {
139 this->clear();
140 for(SPObject* node = spfont->children; node; node=node->next){
141 if (SP_IS_GLYPH(node)){
142 this->append_text(((SPGlyph*)node)->unicode);
143 }
144 }
145 }
146 }
148 void SvgFontsDialog::on_kerning_changed(){
149 if (this->kerning_pair){
150 this->kerning_pair->k = kerning_spin.get_value();
151 kerning_preview.redraw();
152 _font_da.redraw();
153 }
154 }
156 void SvgFontsDialog::on_glyphs_changed(){
157 std::string str1(first_glyph.get_active_text());
158 std::string str2(second_glyph.get_active_text());
159 kerning_preview.set_text((gchar*) (str1+str2).c_str());
160 kerning_preview.redraw();
163 //look for this kerning pair on the currently selected font
164 this->kerning_pair = NULL;
165 for(SPObject* node = this->get_selected_spfont()->children; node; node=node->next){
166 if (SP_IS_HKERN(node) && ((SPGlyphKerning*)node)->u1->contains((gchar) first_glyph.get_active_text().c_str()[0])
167 && ((SPGlyphKerning*)node)->u2->contains((gchar) second_glyph.get_active_text().c_str()[0]) ){
168 this->kerning_pair = (SPGlyphKerning*)node;
169 continue;
170 }
171 }
173 //TODO:
174 //if not found,
175 //create new kern node
176 if (this->kerning_pair)
177 kerning_spin.set_value(this->kerning_pair->k);
178 }
180 /* Add all fonts in the document to the combobox. */
181 void SvgFontsDialog::update_fonts()
182 {
183 SPDesktop* desktop = this->getDesktop();
184 SPDocument* document = sp_desktop_document(desktop);
185 const GSList* fonts = sp_document_get_resource_list(document, "font");
187 _model->clear();
188 for(const GSList *l = fonts; l; l = l->next) {
189 Gtk::TreeModel::Row row = *_model->append();
190 SPFont* f = (SPFont*)l->data;
191 row[_columns.spfont] = f;
192 row[_columns.svgfont] = new SvgFont(f);
193 const gchar* lbl = f->label();
194 const gchar* id = SP_OBJECT_ID(f);
195 row[_columns.label] = lbl ? lbl : (id ? id : "font");
196 }
197 }
199 void SvgFontsDialog::on_preview_text_changed(){
200 _font_da.set_text((gchar*) _preview_entry.get_text().c_str());
201 _font_da.set_text(_preview_entry.get_text());
202 _font_da.redraw();
203 }
205 void SvgFontsDialog::on_font_selection_changed(){
206 SPFont* spfont = this->get_selected_spfont();
207 SvgFont* svgfont = this->get_selected_svgfont();
208 first_glyph.update(spfont);
209 second_glyph.update(spfont);
210 kerning_preview.set_svgfont(svgfont);
211 _font_da.set_svgfont(svgfont);
212 _font_da.redraw();
214 int steps = 50;
215 double set_width = spfont->horiz_adv_x;
216 setwidth_spin.set_value(set_width);
218 kerning_spin.set_range(0,set_width);
219 kerning_spin.set_increments(int(set_width/steps),2*int(set_width/steps));
220 kerning_spin.set_value(0);
221 }
223 void SvgFontsDialog::on_setwidth_changed(){
224 SPFont* spfont = this->get_selected_spfont();
225 if (spfont){
226 spfont->horiz_adv_x = setwidth_spin.get_value();
227 //TODO: tell cairo that the glyphs cache has to be invalidated
228 }
229 }
231 SvgFont* SvgFontsDialog::get_selected_svgfont()
232 {
233 Gtk::TreeModel::iterator i = _font_list.get_selection()->get_selected();
234 if(i)
235 return (*i)[_columns.svgfont];
236 return NULL;
237 }
239 SPFont* SvgFontsDialog::get_selected_spfont()
240 {
241 Gtk::TreeModel::iterator i = _font_list.get_selection()->get_selected();
242 if(i)
243 return (*i)[_columns.spfont];
244 return NULL;
245 }
247 Gtk::VBox* SvgFontsDialog::global_settings_tab(){
248 Gtk::VBox* global_vbox = Gtk::manage(new Gtk::VBox());
250 AttrEntry* familyname;
251 familyname = new AttrEntry(this, (gchar*) _("Family Name:"), SP_PROP_FONT_FAMILY);
253 global_vbox->add(*familyname);
254 global_vbox->add(*AttrCombo((gchar*) _("Style:"), SP_PROP_FONT_STYLE));
255 global_vbox->add(*AttrCombo((gchar*) _("Variant:"), SP_PROP_FONT_VARIANT));
256 global_vbox->add(*AttrCombo((gchar*) _("Weight:"), SP_PROP_FONT_WEIGHT));
258 //Set Width (horiz_adv_x):
259 Gtk::HBox* setwidth_hbox = Gtk::manage(new Gtk::HBox());
260 setwidth_hbox->add(*Gtk::manage(new Gtk::Label(_("Set width:"))));
261 setwidth_hbox->add(setwidth_spin);
263 setwidth_spin.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_setwidth_changed));
264 setwidth_spin.set_range(0, 4096);
265 setwidth_spin.set_increments(10, 100);
266 global_vbox->add(*setwidth_hbox);
268 return global_vbox;
269 }
271 Gtk::VBox* SvgFontsDialog::glyphs_tab(){
272 Gtk::VBox* glyphs_vbox = Gtk::manage(new Gtk::VBox());
273 glyphs_vbox->add(*new SvgFontsDialog::AttrEntry(this, (gchar*) _("Glyph Name:"), SP_ATTR_GLYPH_NAME));
274 glyphs_vbox->add(*new SvgFontsDialog::AttrEntry(this, (gchar*) _("Unicode:"), SP_ATTR_UNICODE));
275 //glyphs_vbox->add(*AttrSpin((gchar*) "Horizontal Advance"), SP_ATTR_HORIZ_ADV_X);
276 //glyphs_vbox->add(*AttrCombo((gchar*) "Missing Glyph"), SP_ATTR_); ?
277 return glyphs_vbox;
278 }
280 Gtk::VBox* SvgFontsDialog::kerning_tab(){
282 //kerning setup:
283 Gtk::VBox* kernvbox = Gtk::manage(new Gtk::VBox());
285 //Kerning Setup:
286 kernvbox->add(*Gtk::manage(new Gtk::Label(_("Kerning Setup:"))));
287 Gtk::HBox* kerning_selector = Gtk::manage(new Gtk::HBox());
288 kerning_selector->add(*Gtk::manage(new Gtk::Label(_("1st Glyph:"))));
289 kerning_selector->add(first_glyph);
290 kerning_selector->add(*Gtk::manage(new Gtk::Label(_("2nd Glyph:"))));
291 kerning_selector->add(second_glyph);
292 first_glyph.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_glyphs_changed));
293 second_glyph.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_glyphs_changed));
294 kerning_spin.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_kerning_changed));
296 kernvbox->add(*kerning_selector);
297 kernvbox->add((Gtk::Widget&) kerning_preview);
299 Gtk::HBox* kerning_amount_hbox = Gtk::manage(new Gtk::HBox());
300 kernvbox->add(*kerning_amount_hbox);
301 kerning_amount_hbox->add(*Gtk::manage(new Gtk::Label(_("Kerning value:"))));
302 kerning_amount_hbox->add(kerning_spin);
304 kerning_preview.set_size(300 + 20, 150 + 20);
305 _font_da.set_size(150 + 20, 50 + 20);
307 return kernvbox;
308 }
310 SvgFontsDialog::SvgFontsDialog()
311 : UI::Widget::Panel("", "/dialogs/svgfonts", SP_VERB_DIALOG_SVG_FONTS)
312 {
313 Gtk::HBox* hbox = Gtk::manage(new Gtk::HBox());
314 hbox->add(_font_list);
315 hbox->add(_font_settings);
316 _getContents()->add(*hbox);
318 //List of SVGFonts declared in a document:
319 _model = Gtk::ListStore::create(_columns);
320 _font_list.set_model(_model);
321 _font_list.append_column_editable(_("_Font"), _columns.label);
322 _font_list.get_selection()->signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_font_selection_changed));
324 this->update_fonts();
326 Gtk::Notebook *tabs = Gtk::manage(new Gtk::Notebook());
327 tabs->set_scrollable();
329 tabs->append_page(*global_settings_tab(), _("_Global Settings"), true);
330 tabs->append_page(*glyphs_tab(), _("_Glyphs"), true);
331 tabs->append_page(*kerning_tab(), _("_Kerning"), true);
333 _font_settings.add(*tabs);
335 //Text Preview:
336 _preview_entry.signal_changed().connect(sigc::mem_fun(*this, &SvgFontsDialog::on_preview_text_changed));
337 _getContents()->add((Gtk::Widget&) _font_da);
338 _preview_entry.set_text("Sample Text");
339 _font_da.set_text("Sample Text");
341 Gtk::HBox* preview_entry_hbox = Gtk::manage(new Gtk::HBox());
342 _getContents()->add(*preview_entry_hbox);
343 preview_entry_hbox->add(*Gtk::manage(new Gtk::Label(_("Preview Text:"))));
344 preview_entry_hbox->add(_preview_entry);
346 _getContents()->show_all();
347 }
349 SvgFontsDialog::~SvgFontsDialog(){}
351 } // namespace Dialog
352 } // namespace UI
353 } // namespace Inkscape
355 #endif //#ifdef ENABLE_SVG_FONTS