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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 ("Dialog Background", 238 / 255.0, 239 / 255.0, 243 / 255.0, 1); 107 Theme.set_default_color ("Menu Background", 222 / 255.0, 221 / 255.0, 226 / 255.0, 1); 108 Theme.set_default_color ("Default Background", 238 / 255.0, 239 / 255.0, 243 / 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 ("Text Foreground", 125 / 255.0, 130 / 255.0, 136 / 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", 173 / 255.0, 176 / 255.0, 188 / 255.0, 1); 142 Theme.set_default_color ("Button Background 1", 211 / 255.0, 212 / 255.0, 216 / 255.0, 1); 143 144 Theme.set_default_color ("Button Border 2", 173 / 255.0, 176 / 255.0, 188 / 255.0, 1); 145 Theme.set_default_color ("Button Background 2", 211 / 255.0, 212 / 255.0, 216 / 255.0, 1); 146 147 Theme.set_default_color ("Button Border 3", 173 / 255.0, 176 / 255.0, 188 / 255.0, 1); 148 Theme.set_default_color ("Button Background 3", 242 / 255.0, 246 / 255.0, 246 / 255.0, 1); 149 150 Theme.set_default_color ("Button Border 4", 173 / 255.0, 176 / 255.0, 188 / 255.0, 1); 151 Theme.set_default_color ("Button Background 4", 242 / 255.0, 246 / 255.0, 246 / 255.0, 1); 152 153 Theme.set_default_color ("Button Foreground", 125 / 255.0, 130 / 255.0, 136 / 255.0, 1); 154 Theme.set_default_color ("Selected Button Foreground", 125 / 255.0, 130 / 255.0, 136 / 255.0, 1); 155 156 Theme.set_default_color ("Tool Foreground", 125 / 255.0, 130 / 255.0, 136 / 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 ("Text Area Background", 101 / 255.0, 108 / 255.0, 116 / 255.0, 1); 160 161 Theme.set_default_color ("Selected Overview Item 1", 208 / 255.0, 208 / 255.0, 208 / 255.0, 1); 162 Theme.set_default_color ("Selected Overview Item 2", 229 / 255.0, 229 / 255.0, 229 / 255.0, 1); 163 164 Theme.set_default_color ("Overview Item 1", 236 / 255.0, 236 / 255.0, 236 / 255.0, 1); 165 Theme.set_default_color ("Overview Item 2", 246 / 255.0, 246 / 255.0, 246 / 255.0, 1); 166 167 Theme.set_default_color ("Overview Selected Foreground", 45 / 255.0, 45 / 255.0, 45 / 255.0, 1); 168 Theme.set_default_color ("Overview Foreground", 45 / 255.0, 45 / 255.0, 45 / 255.0, 1); 169 170 Theme.set_default_color ("Glyph Count Background", 211 / 255.0, 212 / 255.0, 216 / 255.0, 1); 171 172 Theme.set_default_color ("Dialog Shadow", 0, 0, 0, 0.3); 173 174 Theme.set_default_color ("Selected Active Cubic Control Point", 0, 0, 0, 1); 175 Theme.set_default_color ("Selected Cubic Control Point", 0, 0, 0, 1); 176 Theme.set_default_color ("Active Cubic Control Point", 70 / 255.0, 70 / 255.0, 70 / 255.0, 1); 177 Theme.set_default_color ("Cubic Control Point", 116 / 255.0, 116 / 255.0, 116 / 255.0, 1); 178 179 Theme.set_default_color ("Selected Active Quadratic Control Point", 0, 0, 0, 1); 180 Theme.set_default_color ("Selected Quadratic Control Point", 0, 0, 0, 1); 181 Theme.set_default_color ("Active Quadratic Control Point", 85 / 255.0, 115 / 255.0, 149 / 255.0, 1); 182 Theme.set_default_color ("Quadratic Control Point", 123 / 255.0, 151 / 255.0, 184 / 255.0, 1); 183 184 Theme.set_default_color ("Selected Control Point Handle", 0, 0, 0, 1); 185 Theme.set_default_color ("Active Control Point Handle", 81 / 255.0, 147 / 255.0, 90 / 255.0, 1); 186 Theme.set_default_color ("Control Point Handle", 81 / 255.0, 147 / 255.0, 90 / 255.0, 1); 187 188 Theme.set_default_color ("Merge", 167 / 255.0, 170 / 255.0, 178 / 255.0, 0.3); 189 190 Theme.set_default_color ("Spin Button", 164 / 255.0, 167 / 255.0, 175 / 255.0, 1); 191 Theme.set_default_color ("Active Spin Button", 104 / 255.0, 108 / 255.0, 119 / 255.0, 1); 192 193 if (BirdFont.has_argument ("--test")) { 194 current_theme = "generated_theme.theme"; 195 write_theme (); 196 197 t_("Stroke Color"); 198 t_("Handle Color"); 199 t_("Fill Color"); 200 t_("Selected Objects"); 201 202 t_("Background 1"); 203 t_("Dialog Background"); 204 t_("Menu Background"); 205 t_("Default Background"); 206 t_("Background 5"); 207 t_("Background 6"); 208 t_("Background 7"); 209 t_("Background 8"); 210 t_("Background 9"); 211 212 t_("Checkbox Background"); 213 214 t_("Foreground 1"); 215 t_("Text Foreground"); 216 t_("Foreground 3"); 217 t_("Foreground 4"); 218 t_("Foreground 5"); 219 t_("Foreground 6"); 220 t_("Foreground 7"); 221 t_("Foreground Inverted"); 222 t_("Menu Foreground"); 223 224 t_("Highlighted 1"); 225 t_("Highlighted Guide"); 226 227 t_("Grid"); 228 229 t_("Guide 1"); 230 t_("Guide 2"); 231 t_("Guide 3"); 232 233 t_("Button Border 1"); 234 t_("Button Background 1"); 235 t_("Button Border 2"); 236 t_("Button Background 2"); 237 t_("Button Border 3"); 238 t_("Button Background 3"); 239 t_("Button Border 4"); 240 t_("Button Background 4"); 241 242 t_("Button Foreground"); 243 t_("Selected Button Foreground"); 244 245 t_("Tool Foreground"); 246 t_("Selected Tool Foreground"); 247 248 t_("Text Area Background"); 249 250 t_("Selected Overview Item 1"); 251 t_("Selected Overview Item 2"); 252 253 t_("Overview Item 1"); 254 t_("Overview Item 2"); 255 256 t_("Overview Selected Foreground"); 257 t_("Overview Foreground"); 258 259 t_("Glyph Count Background"); 260 261 t_("Dialog Shadow"); 262 263 t_("Selected Active Cubic Control Point"); 264 t_("Selected Cubic Control Point"); 265 t_("Active Cubic Control Point"); 266 t_("Cubic Control Point"); 267 268 t_("Selected Active Quadratic Control Point"); 269 t_("Selected Quadratic Control Point"); 270 t_("Active Quadratic Control Point"); 271 t_("Cubic Quadratic Point"); 272 273 t_("Selected Control Point Handle"); 274 t_("Active Control Point Handle"); 275 t_("Control Point Handle"); 276 277 t_("Merge"); 278 t_("Spin Button"); 279 t_("Active Spin Button"); 280 } 281 } 282 283 static void add_theme_files () { 284 FileEnumerator enumerator; 285 FileInfo? file_info; 286 string file_name; 287 File dir; 288 289 dir = BirdFont.get_settings_directory (); 290 291 themes.clear (); 292 themes.add ("default.theme"); 293 themes.add ("high_contrast.theme"); 294 295 try { 296 enumerator = dir.enumerate_children (FileAttribute.STANDARD_NAME, 0); 297 while ((file_info = enumerator.next_file ()) != null) { 298 file_name = ((!) file_info).get_name (); 299 300 if (file_name.has_suffix (".theme")) { 301 themes.add (file_name); 302 } 303 } 304 } catch (Error e) { 305 warning (e.message); 306 } 307 } 308 309 public static void set_default_color (string name, double r, double g, double b, double a) { 310 color_list.add (name); 311 colors.set (name, new Color (r, g, b, a)); 312 } 313 314 public static void save_color (string name, double r, double g, double b, double a) { 315 colors.set (name, new Color (r, g, b, a)); 316 write_theme (); 317 } 318 319 public static void load_theme (string theme_file) { 320 File default_theme; 321 File user_theme; 322 323 user_theme = get_child (BirdFont.get_settings_directory (), theme_file); 324 if (user_theme.query_exists ()) { 325 current_theme = theme_file; 326 parse_theme (user_theme); 327 return; 328 } 329 330 default_theme = SearchPaths.find_file (null, theme_file); 331 if (default_theme.query_exists ()) { 332 current_theme = theme_file; 333 parse_theme (default_theme); 334 return; 335 } 336 337 warning (@"Theme not found: $theme_file"); 338 } 339 340 public static void write_theme () { 341 DataOutputStream os; 342 File file; 343 int i; 344 string base_name; 345 346 if (current_theme == "") { 347 warning ("No name for theme."); 348 return; 349 } 350 351 if (current_theme == "default.theme" || current_theme == "high_contrast.theme") { 352 current_theme = "custom.theme"; 353 354 file = get_child (BirdFont.get_settings_directory (), current_theme); 355 i = 2; 356 base_name = "custom"; 357 while (file.query_exists ()) { 358 current_theme = @"$(base_name)_theme_$(i).theme"; 359 file = get_child (BirdFont.get_settings_directory (), current_theme); 360 i++; 361 } 362 } 363 364 file = get_child (BirdFont.get_settings_directory (), current_theme); 365 366 try { 367 if (file.query_exists ()) { 368 file.delete (); 369 } 370 } catch (GLib.Error e) { 371 warning (e.message); 372 } 373 374 try { 375 os = new DataOutputStream (file.create (FileCreateFlags.REPLACE_DESTINATION)); 376 os.put_string ("""<?xml version="1.0" encoding="utf-8" standalone="yes"?>"""); 377 os.put_string ("\n"); 378 379 os.put_string ("<theme>\n"); 380 foreach (string name in colors.keys) { 381 Color color = colors.get (name); 382 383 os.put_string ("\t<color "); 384 385 os.put_string (@"name=\"$(Markup.escape_text (name))\" "); 386 os.put_string (@"red=\"$(color.r)\" "); 387 os.put_string (@"green=\"$(color.g)\" "); 388 os.put_string (@"blue=\"$(color.b)\" "); 389 os.put_string (@"alpha=\"$(color.a)\""); 390 391 os.put_string ("/>\n"); 392 } 393 os.put_string ("</theme>\n"); 394 395 os.close (); 396 } catch (GLib.Error e) { 397 warning (e.message); 398 } 399 400 add_theme_files (); 401 } 402 403 static void parse_theme (File f) { 404 string xml_data; 405 XmlParser parser; 406 407 try { 408 FileUtils.get_contents((!) f.get_path (), out xml_data); 409 parser = new XmlParser (xml_data); 410 parse_colors (parser.get_root_tag ()); 411 } catch (GLib.Error e) { 412 warning (e.message); 413 } 414 } 415 416 static void parse_colors (Tag tag) { 417 foreach (Tag t in tag) { 418 if (t.get_name () == "color") { 419 parse_color (t.get_attributes ()); 420 } 421 } 422 } 423 424 static void parse_color (Attributes attributes) { 425 string name = ""; 426 double r = 0; 427 double g = 0; 428 double b = 0; 429 double a = 1; 430 431 foreach (Attribute attr in attributes) { 432 if (attr.get_name () == "name") { 433 name = attr.get_content (); 434 } 435 436 if (attr.get_name () == "red") { 437 r = double.parse (attr.get_content ()); 438 } 439 440 if (attr.get_name () == "green") { 441 g = double.parse (attr.get_content ()); 442 } 443 444 if (attr.get_name () == "blue") { 445 b = double.parse (attr.get_content ()); 446 } 447 448 if (attr.get_name () == "alpha") { 449 a = double.parse (attr.get_content ()); 450 } 451 } 452 453 colors.set (name, new Color (r, g, b, a)); 454 } 455 456 public static void add_new_theme (SettingsDisplay d) { 457 TextListener listener; 458 459 listener = new TextListener (t_("New theme"), "", t_("Set")); 460 461 listener.signal_text_input.connect ((text) => { 462 if (text != "") { 463 current_theme = text + ".theme"; 464 themes.add (current_theme); 465 } 466 }); 467 468 listener.signal_submit.connect (() => { 469 TabContent.hide_text_input (); 470 write_theme (); 471 d.create_setting_items (); 472 }); 473 474 TabContent.show_text_input (listener); 475 } 476 477 public static string get_icon_file () { 478 string icons; 479 File f; 480 481 return_val_if_fail (!is_null (current_theme), "icons.bf".dup ()); 482 return_val_if_fail (current_theme != "", "icons.bf".dup ()); 483 484 if (current_theme == "default.theme" || current_theme == "high_contrast.theme") { 485 return "icons.bf".dup (); 486 } 487 488 icons = current_theme.replace (".theme", ".bf"); 489 f = SearchPaths.search_file (null, icons); 490 491 if (f.query_exists ()) { 492 return icons; 493 } 494 495 return "icons.bf".dup (); 496 } 497 } 498 499 } 500