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Theme.vala in libbirdfont

This file is a part of the Birdfont project.

Contributing

Send patches or pull requests to johan.mattsson.m@gmail.com.
Clone this repository: git clone https://github.com/johanmattssonm/birdfont.git

Revisions

View the latest version of libbirdfont/Theme.vala.
New color theme
1 /* 2 Copyright (C) 2015 Johan Mattsson 3 4 This library is free software; you can redistribute it and/or modify 5 it under the terms of the GNU Lesser General Public License as 6 published by the Free Software Foundation; either version 3 of the 7 License, or (at your option) any later version. 8 9 This library is distributed in the hope that it will be useful, but 10 WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 */ 14 15 using Bird; 16 using Cairo; 17 18 namespace BirdFont { 19 20 public class Theme : GLib.Object { 21 22 static Gee.HashMap<string, Color> colors; 23 public static Gee.ArrayList<string> color_list; 24 public static Gee.ArrayList<string> themes; 25 public static string current_theme; 26 27 public static void text_color (Text text, string name) { 28 Color c; 29 30 if (unlikely (!colors.has_key (name))) { 31 warning (@"Theme does not have a color for $name"); 32 return; 33 } 34 35 c = colors.get (name); 36 text.set_source_rgba (c.r, c.g, c.b, c.a); 37 } 38 39 public static void color (Context cr, string name) { 40 Color c; 41 42 if (unlikely (!colors.has_key (name))) { 43 warning (@"Theme does not have a color for $name"); 44 return; 45 } 46 47 c = colors.get (name); 48 cr.set_source_rgba (c.r, c.g, c.b, c.a); 49 } 50 51 public static void color_opacity (Context cr, string name, double opacity) { 52 Color c; 53 54 if (unlikely (!colors.has_key (name))) { 55 warning (@"Theme does not have a color for $name"); 56 return; 57 } 58 59 c = colors.get (name); 60 cr.set_source_rgba (c.r, c.g, c.b, opacity); 61 } 62 63 public static void gradient (Cairo.Pattern p, string name1, string name2) { 64 Color c1 = get_color (name1); 65 Color c2 = get_color (name2); 66 67 p.add_color_stop_rgba (1, c1.r, c1.g, c1.b, c1.a); 68 p.add_color_stop_rgba (0, c2.r, c2.g, c2.b, c2.a); 69 } 70 71 public static void text_color_opacity (Text text, string name, double opacity) { 72 Color c; 73 74 if (unlikely (!colors.has_key (name))) { 75 warning (@"Theme does not have a color for $name"); 76 return; 77 } 78 79 c = colors.get (name); 80 text.set_source_rgba (c.r, c.g, c.b, opacity); 81 } 82 83 public static Color get_color (string name) { 84 if (unlikely (!colors.has_key (name))) { 85 warning (@"Theme does not have a color for $name"); 86 return new Color (0, 0, 0, 1); 87 } 88 89 return colors.get (name); 90 } 91 92 public static void set_default_colors () { 93 current_theme = "default.theme"; 94 color_list = new Gee.ArrayList<string> (); 95 colors = new Gee.HashMap<string, Color> (); 96 themes = new Gee.ArrayList<string> (); 97 98 add_theme_files (); 99 100 Theme.set_default_color ("Stroke Color", 0, 0, 0, 1); 101 Theme.set_default_color ("Handle Color", 0, 0, 0, 1); 102 Theme.set_default_color ("Fill Color", 0.5, 0.5, 0.5, 1); 103 Theme.set_default_color ("Selected Objects", 35 / 255.0, 131 / 255.0, 194 / 255.0, 1); 104 105 Theme.set_default_color ("Background 1", 1, 1, 1, 1); 106 Theme.set_default_color ("Background 2", 101 / 255.0, 108 / 255.0, 116 / 255.0, 1); 107 Theme.set_default_color ("Background 3", 38 / 255.0, 39 / 255.0, 43 / 255.0, 1); 108 Theme.set_default_color ("Background 4", 51 / 255.0, 54 / 255.0, 59 / 255.0, 1); 109 Theme.set_default_color ("Background 5", 0.3, 0.3, 0.3, 1); 110 Theme.set_default_color ("Background 6", 224/255.0, 224/255.0, 224/255.0, 1); 111 Theme.set_default_color ("Background 7", 56 / 255.0, 59 / 255.0, 65 / 255.0, 1); 112 Theme.set_default_color ("Background 8", 55/255.0, 55/255.0, 55/255.0, 1); 113 Theme.set_default_color ("Background 9", 72/255.0, 72/255.0, 72/255.0, 1); 114 Theme.set_default_color ("Background 10", 223/255.0, 223/255.0, 223/255.0, 1); 115 116 Theme.set_default_color ("Checkbox Background", 101 / 255.0, 108 / 255.0, 116 / 255.0, 1); 117 118 Theme.set_default_color ("Foreground 1", 0, 0, 0, 1); 119 Theme.set_default_color ("Foreground 2", 101 / 255.0, 108 / 255.0, 116 / 255.0, 1); 120 Theme.set_default_color ("Foreground 3", 26 / 255.0, 30 / 255.0, 32 / 255.0, 1); 121 Theme.set_default_color ("Foreground 4", 40 / 255.0, 57 / 255.0, 65 / 255.0, 1); 122 Theme.set_default_color ("Foreground 5", 70 / 255.0, 77 / 255.0, 83 / 255.0, 1); 123 Theme.set_default_color ("Foreground 6", 45 / 255.0, 45 / 255.0, 45 / 255.0, 1); 124 Theme.set_default_color ("Foreground 7", 219 / 255.0, 221 / 255.0, 233 / 255.0, 1); 125 Theme.set_default_color ("Foreground Inverted Table", 1, 1, 1, 1); 126 127 Theme.set_default_color ("Foreground Inverted", 1, 1, 1, 1); 128 Theme.set_default_color ("Menu Foreground", 101 / 255.0, 108 / 255.0, 116 / 255.0, 1); 129 130 Theme.set_default_color ("Highlighted 1", 234 / 255.0, 77 / 255.0, 26 / 255.0, 1); 131 132 Theme.set_default_color ("Highlighted Guide", 0, 0, 0.3, 1); 133 Theme.set_default_color ("Guide 1", 0.7, 0.7, 0.8, 1); 134 Theme.set_default_color ("Guide 2", 0.7, 0, 0, 0.5); 135 Theme.set_default_color ("Guide 3", 120 / 255.0, 68 / 255.0, 120 / 255.0, 120 / 255.0); 136 137 Theme.set_default_color ("Grid",0.2, 0.6, 0.2, 0.2); 138 139 Theme.set_default_color ("Background Glyph", 0.2, 0.2, 0.2, 0.5); 140 141 Theme.set_default_color ("Button Border 1", 38 / 255.0, 39 / 255.0, 43 / 255.0, 1); 142 Theme.set_default_color ("Button Background 1", 14 / 255.0, 16 / 255.0, 17 / 255.0, 1); 143 144 Theme.set_default_color ("Button Border 2", 38 / 255.0, 39 / 255.0, 43 / 255.0, 1); 145 Theme.set_default_color ("Button Background 2", 26 / 255.0, 30 / 255.0, 32 / 255.0, 1); 146 147 Theme.set_default_color ("Button Border 3", 38 / 255.0, 39 / 255.0, 43 / 255.0, 1); 148 Theme.set_default_color ("Button Background 3", 44 / 255.0, 47 / 255.0, 51 / 255.0, 1); 149 150 Theme.set_default_color ("Button Border 4", 38 / 255.0, 39 / 255.0, 43 / 255.0, 1); 151 Theme.set_default_color ("Button Background 4", 33 / 255.0, 36 / 255.0, 39 / 255.0, 1); 152 153 Theme.set_default_color ("Button Foreground", 1, 1, 1, 1); 154 Theme.set_default_color ("Selected Button Foreground", 1, 1, 1, 1); 155 156 Theme.set_default_color ("Tool Foreground", 101 / 255.0, 108 / 255.0, 116 / 255.0, 1); 157 Theme.set_default_color ("Selected Tool Foreground", 101 / 255.0, 108 / 255.0, 116 / 255.0, 1); 158 159 Theme.set_default_color ("Selected Tool Foreground", 101 / 255.0, 108 / 255.0, 116 / 255.0, 1); 160 161 Theme.set_default_color ("Text Area Background", 101 / 255.0, 108 / 255.0, 116 / 255.0, 1); 162 163 Theme.set_default_color ("Selected Overview Item 1", 208 / 255.0, 208 / 255.0, 208 / 255.0, 1); 164 Theme.set_default_color ("Selected Overview Item 2", 229 / 255.0, 229 / 255.0, 229 / 255.0, 1); 165 166 Theme.set_default_color ("Overview Item 1", 236 / 255.0, 236 / 255.0, 236 / 255.0, 1); 167 Theme.set_default_color ("Overview Item 2", 246 / 255.0, 246 / 255.0, 246 / 255.0, 1); 168 169 Theme.set_default_color ("Overview Selected Foreground", 45 / 255.0, 45 / 255.0, 45 / 255.0, 1); 170 Theme.set_default_color ("Overview Foreground", 45 / 255.0, 45 / 255.0, 45 / 255.0, 1); 171 172 Theme.set_default_color ("Glyph Count Background", 101 / 255.0, 108 / 255.0, 116 / 255.0, 1); 173 174 Theme.set_default_color ("Dialog Shadow", 0, 0, 0, 0.3); 175 176 Theme.set_default_color ("Selected Active Cubic Control Point", 0, 0, 0, 1); 177 Theme.set_default_color ("Selected Cubic Control Point", 0, 0, 0, 1); 178 Theme.set_default_color ("Active Cubic Control Point", 70 / 255.0, 70 / 255.0, 70 / 255.0, 1); 179 Theme.set_default_color ("Cubic Control Point", 116 / 255.0, 116 / 255.0, 116 / 255.0, 1); 180 181 Theme.set_default_color ("Selected Active Quadratic Control Point", 0, 0, 0, 1); 182 Theme.set_default_color ("Selected Quadratic Control Point", 0, 0, 0, 1); 183 Theme.set_default_color ("Active Quadratic Control Point", 85 / 255.0, 115 / 255.0, 149 / 255.0, 1); 184 Theme.set_default_color ("Quadratic Control Point", 123 / 255.0, 151 / 255.0, 184 / 255.0, 1); 185 186 Theme.set_default_color ("Selected Control Point Handle", 0, 0, 0, 1); 187 Theme.set_default_color ("Active Control Point Handle", 81 / 255.0, 147 / 255.0, 90 / 255.0, 1); 188 Theme.set_default_color ("Control Point Handle", 81 / 255.0, 147 / 255.0, 90 / 255.0, 1); 189 190 Theme.set_default_color ("Merge", 101 / 255.0, 108 / 255.0, 116 / 255.0, 0.3); 191 192 if (BirdFont.has_argument ("--test")) { 193 current_theme = "generated_theme.theme"; 194 write_theme (); 195 196 t_("Stroke Color"); 197 t_("Handle Color"); 198 t_("Fill Color"); 199 t_("Selected Objects"); 200 201 t_("Background 1"); 202 t_("Background 2"); 203 t_("Background 3"); 204 t_("Background 4"); 205 t_("Background 5"); 206 t_("Background 6"); 207 t_("Background 7"); 208 t_("Background 8"); 209 t_("Background 9"); 210 211 t_("Checkbox Background"); 212 213 t_("Foreground 1"); 214 t_("Foreground 2"); 215 t_("Foreground 3"); 216 t_("Foreground 4"); 217 t_("Foreground 5"); 218 t_("Foreground 6"); 219 t_("Foreground 7"); 220 t_("Foreground Inverted"); 221 t_("Menu Foreground"); 222 223 t_("Highlighted 1"); 224 t_("Highlighted Guide"); 225 226 t_("Grid"); 227 228 t_("Guide 1"); 229 t_("Guide 2"); 230 t_("Guide 3"); 231 232 t_("Button Border 1"); 233 t_("Button Background 1"); 234 t_("Button Border 2"); 235 t_("Button Background 2"); 236 t_("Button Border 3"); 237 t_("Button Background 3"); 238 t_("Button Border 4"); 239 t_("Button Background 4"); 240 241 t_("Button Foreground"); 242 t_("Selected Button Foreground"); 243 244 t_("Tool Foreground"); 245 t_("Selected Tool Foreground"); 246 247 t_("Text Area Background"); 248 249 t_("Selected Overview Item 1"); 250 t_("Selected Overview Item 2"); 251 252 t_("Overview Item 1"); 253 t_("Overview Item 2"); 254 255 t_("Overview Selected Foreground"); 256 t_("Overview Foreground"); 257 258 t_("Glyph Count Background"); 259 260 t_("Dialog Shadow"); 261 262 t_("Selected Active Cubic Control Point"); 263 t_("Selected Cubic Control Point"); 264 t_("Active Cubic Control Point"); 265 t_("Cubic Control Point"); 266 267 t_("Selected Active Quadratic Control Point"); 268 t_("Selected Quadratic Control Point"); 269 t_("Active Quadratic Control Point"); 270 t_("Cubic Quadratic Point"); 271 272 t_("Selected Control Point Handle"); 273 t_("Active Control Point Handle"); 274 t_("Control Point Handle"); 275 276 t_("Merge"); 277 } 278 } 279 280 static void add_theme_files () { 281 FileEnumerator enumerator; 282 FileInfo? file_info; 283 string file_name; 284 File dir; 285 286 dir = BirdFont.get_settings_directory (); 287 288 themes.clear (); 289 themes.add ("default.theme"); 290 themes.add ("high_contrast.theme"); 291 292 try { 293 enumerator = dir.enumerate_children (FileAttribute.STANDARD_NAME, 0); 294 while ((file_info = enumerator.next_file ()) != null) { 295 file_name = ((!) file_info).get_name (); 296 297 if (file_name.has_suffix (".theme")) { 298 themes.add (file_name); 299 } 300 } 301 } catch (Error e) { 302 warning (e.message); 303 } 304 } 305 306 public static void set_default_color (string name, double r, double g, double b, double a) { 307 color_list.add (name); 308 colors.set (name, new Color (r, g, b, a)); 309 } 310 311 public static void save_color (string name, double r, double g, double b, double a) { 312 colors.set (name, new Color (r, g, b, a)); 313 write_theme (); 314 } 315 316 public static void load_theme (string theme_file) { 317 File default_theme; 318 File user_theme; 319 320 user_theme = get_child (BirdFont.get_settings_directory (), theme_file); 321 if (user_theme.query_exists ()) { 322 current_theme = theme_file; 323 parse_theme (user_theme); 324 return; 325 } 326 327 default_theme = SearchPaths.find_file (null, theme_file); 328 if (default_theme.query_exists ()) { 329 current_theme = theme_file; 330 parse_theme (default_theme); 331 return; 332 } 333 334 warning (@"Theme not found: $theme_file"); 335 } 336 337 public static void write_theme () { 338 DataOutputStream os; 339 File file; 340 int i; 341 string base_name; 342 343 if (current_theme == "") { 344 warning ("No name for theme."); 345 return; 346 } 347 348 if (current_theme == "default.theme" || current_theme == "high_contrast.theme") { 349 current_theme = "custom.theme"; 350 351 file = get_child (BirdFont.get_settings_directory (), current_theme); 352 i = 2; 353 base_name = "custom"; 354 while (file.query_exists ()) { 355 current_theme = @"$(base_name)_theme_$(i).theme"; 356 file = get_child (BirdFont.get_settings_directory (), current_theme); 357 i++; 358 } 359 } 360 361 file = get_child (BirdFont.get_settings_directory (), current_theme); 362 363 try { 364 if (file.query_exists ()) { 365 file.delete (); 366 } 367 } catch (GLib.Error e) { 368 warning (e.message); 369 } 370 371 try { 372 os = new DataOutputStream (file.create (FileCreateFlags.REPLACE_DESTINATION)); 373 os.put_string ("""<?xml version="1.0" encoding="utf-8" standalone="yes"?>"""); 374 os.put_string ("\n"); 375 376 os.put_string ("<theme>\n"); 377 foreach (string name in colors.keys) { 378 Color color = colors.get (name); 379 380 os.put_string ("\t<color "); 381 382 os.put_string (@"name=\"$(Markup.escape_text (name))\" "); 383 os.put_string (@"red=\"$(color.r)\" "); 384 os.put_string (@"green=\"$(color.g)\" "); 385 os.put_string (@"blue=\"$(color.b)\" "); 386 os.put_string (@"alpha=\"$(color.a)\""); 387 388 os.put_string ("/>\n"); 389 } 390 os.put_string ("</theme>\n"); 391 392 os.close (); 393 } catch (GLib.Error e) { 394 warning (e.message); 395 } 396 397 add_theme_files (); 398 } 399 400 static void parse_theme (File f) { 401 string xml_data; 402 XmlParser parser; 403 404 try { 405 FileUtils.get_contents((!) f.get_path (), out xml_data); 406 parser = new XmlParser (xml_data); 407 parse_colors (parser.get_root_tag ()); 408 } catch (GLib.Error e) { 409 warning (e.message); 410 } 411 } 412 413 static void parse_colors (Tag tag) { 414 foreach (Tag t in tag) { 415 if (t.get_name () == "color") { 416 parse_color (t.get_attributes ()); 417 } 418 } 419 } 420 421 static void parse_color (Attributes attributes) { 422 string name = ""; 423 double r = 0; 424 double g = 0; 425 double b = 0; 426 double a = 1; 427 428 foreach (Attribute attr in attributes) { 429 if (attr.get_name () == "name") { 430 name = attr.get_content (); 431 } 432 433 if (attr.get_name () == "red") { 434 r = double.parse (attr.get_content ()); 435 } 436 437 if (attr.get_name () == "green") { 438 g = double.parse (attr.get_content ()); 439 } 440 441 if (attr.get_name () == "blue") { 442 b = double.parse (attr.get_content ()); 443 } 444 445 if (attr.get_name () == "alpha") { 446 a = double.parse (attr.get_content ()); 447 } 448 } 449 450 colors.set (name, new Color (r, g, b, a)); 451 } 452 453 public static void add_new_theme (SettingsDisplay d) { 454 TextListener listener; 455 456 listener = new TextListener (t_("New theme"), "", t_("Set")); 457 458 listener.signal_text_input.connect ((text) => { 459 if (text != "") { 460 current_theme = text + ".theme"; 461 themes.add (current_theme); 462 } 463 }); 464 465 listener.signal_submit.connect (() => { 466 TabContent.hide_text_input (); 467 write_theme (); 468 d.create_setting_items (); 469 }); 470 471 TabContent.show_text_input (listener); 472 } 473 474 public static string get_icon_file () { 475 string icons; 476 File f; 477 478 return_val_if_fail (!is_null (current_theme), "icons.bf".dup ()); 479 return_val_if_fail (current_theme != "", "icons.bf".dup ()); 480 481 if (current_theme == "default.theme" || current_theme == "high_contrast.theme") { 482 return "icons.bf".dup (); 483 } 484 485 icons = current_theme.replace (".theme", ".bf"); 486 f = SearchPaths.search_file (null, icons); 487 488 if (f.query_exists ()) { 489 return icons; 490 } 491 492 return "icons.bf".dup (); 493 } 494 } 495 496 } 497