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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.
Fix selection in overview
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 ("Headline Background", 110 / 255.0, 113 / 255.0, 130 / 255.0, 1); 110 Theme.set_default_color ("Empty Tool Box", 110 / 255.0, 113 / 255.0, 130 / 255.0, 1); 111 112 Theme.set_default_color ("Background 5", 0.3, 0.3, 0.3, 1); 113 Theme.set_default_color ("Background 6", 224/255.0, 224/255.0, 224/255.0, 1); 114 Theme.set_default_color ("Background 7", 56 / 255.0, 59 / 255.0, 65 / 255.0, 1); 115 Theme.set_default_color ("Background 8", 55/255.0, 55/255.0, 55/255.0, 1); 116 Theme.set_default_color ("Background 9", 72/255.0, 72/255.0, 72/255.0, 1); 117 Theme.set_default_color ("Background 10", 223/255.0, 223/255.0, 223/255.0, 1); 118 119 Theme.set_default_color ("Checkbox Background", 255 / 255.0, 255 / 255.0, 255 / 255.0, 1); 120 121 Theme.set_default_color ("Foreground 1", 0, 0, 0, 1); 122 Theme.set_default_color ("Text Foreground", 3 / 255.0, 16 / 255.0, 24 / 255.0, 1); 123 Theme.set_default_color ("Foreground 3", 26 / 255.0, 30 / 255.0, 32 / 255.0, 1); 124 Theme.set_default_color ("Foreground 4", 40 / 255.0, 57 / 255.0, 65 / 255.0, 1); 125 Theme.set_default_color ("Foreground 5", 70 / 255.0, 77 / 255.0, 83 / 255.0, 1); 126 Theme.set_default_color ("Foreground 6", 45 / 255.0, 45 / 255.0, 45 / 255.0, 1); 127 Theme.set_default_color ("Foreground 7", 219 / 255.0, 221 / 255.0, 233 / 255.0, 1); 128 129 Theme.set_default_color ("Table Background 1", 238 / 255.0, 239 / 255.0, 243 / 255.0, 1); 130 Theme.set_default_color ("Table Background 2", 210 / 255.0, 212 / 255.0, 223 / 255.0, 1); 131 132 Theme.set_default_color ("Selected Tab Foreground", 0, 0, 0, 1); 133 Theme.set_default_color ("Tab Separator", 207 / 255.0, 210 / 255.0, 215 / 255.0, 1); 134 135 Theme.set_default_color ("Foreground Inverted", 1, 1, 1, 1); 136 Theme.set_default_color ("Menu Foreground", 3 / 255.0, 16 / 255.0, 24 / 255.0, 1); 137 138 // FIXME: DELETE Theme.set_default_color ("Highlighted 1", 234 / 255.0, 77 / 255.0, 26 / 255.0, 1); 139 Theme.set_default_color ("Highlighted 1", 159 / 255.0, 165 / 255.0, 192 / 255.0, 1); 140 141 142 Theme.set_default_color ("Highlighted Guide", 0, 0, 0.3, 1); 143 Theme.set_default_color ("Guide 1", 0.7, 0.7, 0.8, 1); 144 Theme.set_default_color ("Guide 2", 0.7, 0, 0, 0.5); 145 Theme.set_default_color ("Guide 3", 120 / 255.0, 68 / 255.0, 120 / 255.0, 120 / 255.0); 146 147 Theme.set_default_color ("Grid",0.2, 0.6, 0.2, 0.2); 148 149 Theme.set_default_color ("Background Glyph", 0.2, 0.2, 0.2, 0.5); 150 151 Theme.set_default_color ("Button Border 1", 173 / 255.0, 176 / 255.0, 188 / 255.0, 1); 152 Theme.set_default_color ("Button Background 1", 211 / 255.0, 212 / 255.0, 216 / 255.0, 1); 153 154 Theme.set_default_color ("Button Border 2", 173 / 255.0, 176 / 255.0, 188 / 255.0, 1); 155 Theme.set_default_color ("Button Background 2", 211 / 255.0, 212 / 255.0, 216 / 255.0, 1); 156 157 Theme.set_default_color ("Button Border 3", 173 / 255.0, 176 / 255.0, 188 / 255.0, 1); 158 Theme.set_default_color ("Button Background 3", 242 / 255.0, 246 / 255.0, 246 / 255.0, 1); 159 160 Theme.set_default_color ("Button Border 4", 173 / 255.0, 176 / 255.0, 188 / 255.0, 1); 161 Theme.set_default_color ("Button Background 4", 242 / 255.0, 246 / 255.0, 246 / 255.0, 1); 162 163 Theme.set_default_color ("Button Foreground", 3 / 255.0, 16 / 255.0, 24 / 255.0, 1); 164 Theme.set_default_color ("Selected Button Foreground", 3 / 255.0, 16 / 255.0, 24 / 255.0, 1); 165 166 Theme.set_default_color ("Tool Foreground", 3 / 255.0, 16 / 255.0, 24 / 255.0, 1); 167 Theme.set_default_color ("Selected Tool Foreground", 3 / 255.0, 16 / 255.0, 24 / 255.0, 1); 168 169 Theme.set_default_color ("Text Area Background", 255 / 255.0, 255 / 255.0, 255 / 255.0, 1); 170 171 Theme.set_default_color ("Overview Item Border", 207 / 255.0, 210 / 255.0, 215 / 255.0, 1); 172 173 Theme.set_default_color ("Selected Overview Item", 211 / 255.0, 212 / 255.0, 216 / 255.0, 1); 174 Theme.set_default_color ("Overview Item 1", 236 / 255.0, 236 / 255.0, 236 / 255.0, 1); 175 Theme.set_default_color ("Overview Item 2", 246 / 255.0, 246 / 255.0, 246 / 255.0, 1); 176 177 Theme.set_default_color ("Overview Selected Foreground", 45 / 255.0, 45 / 255.0, 45 / 255.0, 1); 178 Theme.set_default_color ("Overview Foreground", 45 / 255.0, 45 / 255.0, 45 / 255.0, 1); 179 180 Theme.set_default_color ("Glyph Count Background 1", 255 / 255.0, 255 / 255.0, 255 / 255.0, 1); 181 Theme.set_default_color ("Glyph Count Background 2", 255 / 255.0, 255 / 255.0, 255 / 255.0, 1); 182 183 Theme.set_default_color ("Dialog Shadow", 0, 0, 0, 0.3); 184 185 Theme.set_default_color ("Selected Active Cubic Control Point", 0, 0, 0, 1); 186 Theme.set_default_color ("Selected Cubic Control Point", 0, 0, 0, 1); 187 Theme.set_default_color ("Active Cubic Control Point", 70 / 255.0, 70 / 255.0, 70 / 255.0, 1); 188 Theme.set_default_color ("Cubic Control Point", 116 / 255.0, 116 / 255.0, 116 / 255.0, 1); 189 190 Theme.set_default_color ("Selected Active Quadratic Control Point", 0, 0, 0, 1); 191 Theme.set_default_color ("Selected Quadratic Control Point", 0, 0, 0, 1); 192 Theme.set_default_color ("Active Quadratic Control Point", 85 / 255.0, 115 / 255.0, 149 / 255.0, 1); 193 Theme.set_default_color ("Quadratic Control Point", 123 / 255.0, 151 / 255.0, 184 / 255.0, 1); 194 195 Theme.set_default_color ("Selected Control Point Handle", 0, 0, 0, 1); 196 Theme.set_default_color ("Active Control Point Handle", 81 / 255.0, 147 / 255.0, 90 / 255.0, 1); 197 Theme.set_default_color ("Control Point Handle", 81 / 255.0, 147 / 255.0, 90 / 255.0, 1); 198 199 Theme.set_default_color ("Merge", 167 / 255.0, 170 / 255.0, 178 / 255.0, 0.3); 200 201 Theme.set_default_color ("Spin Button", 164 / 255.0, 167 / 255.0, 175 / 255.0, 1); 202 Theme.set_default_color ("Active Spin Button", 104 / 255.0, 108 / 255.0, 119 / 255.0, 1); 203 Theme.set_default_color ("Zoom Bar Border", 122 / 255.0, 131 / 255.0, 145 / 255.0, 1); 204 205 206 if (BirdFont.has_argument ("--test")) { 207 current_theme = "generated_theme.theme"; 208 write_theme (); 209 210 t_("Stroke Color"); 211 t_("Handle Color"); 212 t_("Fill Color"); 213 t_("Selected Objects"); 214 215 t_("Background 1"); 216 t_("Dialog Background"); 217 t_("Menu Background"); 218 t_("Default Background"); 219 t_("Background 5"); 220 t_("Background 6"); 221 t_("Background 7"); 222 t_("Background 8"); 223 t_("Background 9"); 224 225 t_("Checkbox Background"); 226 227 t_("Foreground 1"); 228 t_("Text Foreground"); 229 t_("Foreground 3"); 230 t_("Foreground 4"); 231 t_("Foreground 5"); 232 t_("Foreground 6"); 233 t_("Foreground 7"); 234 t_("Foreground Inverted"); 235 t_("Menu Foreground"); 236 t_("Selected Tab Foreground"); 237 t_("Tab Separator"); 238 239 t_("Highlighted 1"); 240 t_("Highlighted Guide"); 241 242 t_("Grid"); 243 244 t_("Guide 1"); 245 t_("Guide 2"); 246 t_("Guide 3"); 247 248 t_("Button Border 1"); 249 t_("Button Background 1"); 250 t_("Button Border 2"); 251 t_("Button Background 2"); 252 t_("Button Border 3"); 253 t_("Button Background 3"); 254 t_("Button Border 4"); 255 t_("Button Background 4"); 256 257 t_("Button Foreground"); 258 t_("Selected Button Foreground"); 259 260 t_("Tool Foreground"); 261 t_("Selected Tool Foreground"); 262 263 t_("Text Area Background"); 264 265 t_("Overview Item Border"); 266 267 t_("Selected Overview Item"); 268 t_("Overview Item 1"); 269 t_("Overview Item 2"); 270 271 t_("Overview Selected Foreground"); 272 t_("Overview Foreground"); 273 274 t_("Glyph Count Background 1"); 275 t_("Glyph Count Background 2"); 276 277 t_("Dialog Shadow"); 278 279 t_("Selected Active Cubic Control Point"); 280 t_("Selected Cubic Control Point"); 281 t_("Active Cubic Control Point"); 282 t_("Cubic Control Point"); 283 284 t_("Selected Active Quadratic Control Point"); 285 t_("Selected Quadratic Control Point"); 286 t_("Active Quadratic Control Point"); 287 t_("Cubic Quadratic Point"); 288 289 t_("Selected Control Point Handle"); 290 t_("Active Control Point Handle"); 291 t_("Control Point Handle"); 292 293 t_("Merge"); 294 t_("Spin Button"); 295 t_("Active Spin Button"); 296 t_("Zoom Bar Border"); 297 } 298 } 299 300 static void add_theme_files () { 301 FileEnumerator enumerator; 302 FileInfo? file_info; 303 string file_name; 304 File dir; 305 306 dir = BirdFont.get_settings_directory (); 307 308 themes.clear (); 309 themes.add ("default.theme"); 310 themes.add ("high_contrast.theme"); 311 312 try { 313 enumerator = dir.enumerate_children (FileAttribute.STANDARD_NAME, 0); 314 while ((file_info = enumerator.next_file ()) != null) { 315 file_name = ((!) file_info).get_name (); 316 317 if (file_name.has_suffix (".theme")) { 318 themes.add (file_name); 319 } 320 } 321 } catch (Error e) { 322 warning (e.message); 323 } 324 } 325 326 public static void set_default_color (string name, double r, double g, double b, double a) { 327 color_list.add (name); 328 colors.set (name, new Color (r, g, b, a)); 329 } 330 331 public static void save_color (string name, double r, double g, double b, double a) { 332 colors.set (name, new Color (r, g, b, a)); 333 write_theme (); 334 } 335 336 public static void load_theme (string theme_file) { 337 File default_theme; 338 File user_theme; 339 340 user_theme = get_child (BirdFont.get_settings_directory (), theme_file); 341 if (user_theme.query_exists ()) { 342 current_theme = theme_file; 343 parse_theme (user_theme); 344 return; 345 } 346 347 default_theme = SearchPaths.find_file (null, theme_file); 348 if (default_theme.query_exists ()) { 349 current_theme = theme_file; 350 parse_theme (default_theme); 351 return; 352 } 353 354 warning (@"Theme not found: $theme_file"); 355 } 356 357 public static void write_theme () { 358 DataOutputStream os; 359 File file; 360 int i; 361 string base_name; 362 363 if (current_theme == "") { 364 warning ("No name for theme."); 365 return; 366 } 367 368 if (current_theme == "default.theme" || current_theme == "high_contrast.theme") { 369 current_theme = "custom.theme"; 370 371 file = get_child (BirdFont.get_settings_directory (), current_theme); 372 i = 2; 373 base_name = "custom"; 374 while (file.query_exists ()) { 375 current_theme = @"$(base_name)_theme_$(i).theme"; 376 file = get_child (BirdFont.get_settings_directory (), current_theme); 377 i++; 378 } 379 } 380 381 file = get_child (BirdFont.get_settings_directory (), current_theme); 382 383 try { 384 if (file.query_exists ()) { 385 file.delete (); 386 } 387 } catch (GLib.Error e) { 388 warning (e.message); 389 } 390 391 try { 392 os = new DataOutputStream (file.create (FileCreateFlags.REPLACE_DESTINATION)); 393 os.put_string ("""<?xml version="1.0" encoding="utf-8" standalone="yes"?>"""); 394 os.put_string ("\n"); 395 396 os.put_string ("<theme>\n"); 397 foreach (string name in colors.keys) { 398 Color color = colors.get (name); 399 400 os.put_string ("\t<color "); 401 402 os.put_string (@"name=\"$(Markup.escape_text (name))\" "); 403 os.put_string (@"red=\"$(color.r)\" "); 404 os.put_string (@"green=\"$(color.g)\" "); 405 os.put_string (@"blue=\"$(color.b)\" "); 406 os.put_string (@"alpha=\"$(color.a)\""); 407 408 os.put_string ("/>\n"); 409 } 410 os.put_string ("</theme>\n"); 411 412 os.close (); 413 } catch (GLib.Error e) { 414 warning (e.message); 415 } 416 417 add_theme_files (); 418 } 419 420 static void parse_theme (File f) { 421 string xml_data; 422 XmlParser parser; 423 424 try { 425 FileUtils.get_contents((!) f.get_path (), out xml_data); 426 parser = new XmlParser (xml_data); 427 parse_colors (parser.get_root_tag ()); 428 } catch (GLib.Error e) { 429 warning (e.message); 430 } 431 } 432 433 static void parse_colors (Tag tag) { 434 foreach (Tag t in tag) { 435 if (t.get_name () == "color") { 436 parse_color (t.get_attributes ()); 437 } 438 } 439 } 440 441 static void parse_color (Attributes attributes) { 442 string name = ""; 443 double r = 0; 444 double g = 0; 445 double b = 0; 446 double a = 1; 447 448 foreach (Attribute attr in attributes) { 449 if (attr.get_name () == "name") { 450 name = attr.get_content (); 451 } 452 453 if (attr.get_name () == "red") { 454 r = double.parse (attr.get_content ()); 455 } 456 457 if (attr.get_name () == "green") { 458 g = double.parse (attr.get_content ()); 459 } 460 461 if (attr.get_name () == "blue") { 462 b = double.parse (attr.get_content ()); 463 } 464 465 if (attr.get_name () == "alpha") { 466 a = double.parse (attr.get_content ()); 467 } 468 } 469 470 colors.set (name, new Color (r, g, b, a)); 471 } 472 473 public static void add_new_theme (SettingsDisplay d) { 474 TextListener listener; 475 476 listener = new TextListener (t_("New theme"), "", t_("Set")); 477 478 listener.signal_text_input.connect ((text) => { 479 if (text != "") { 480 current_theme = text + ".theme"; 481 themes.add (current_theme); 482 } 483 }); 484 485 listener.signal_submit.connect (() => { 486 TabContent.hide_text_input (); 487 write_theme (); 488 d.create_setting_items (); 489 }); 490 491 TabContent.show_text_input (listener); 492 } 493 494 public static string get_icon_file () { 495 string icons; 496 File f; 497 498 return_val_if_fail (!is_null (current_theme), "icons.bf".dup ()); 499 return_val_if_fail (current_theme != "", "icons.bf".dup ()); 500 501 if (current_theme == "default.theme" || current_theme == "high_contrast.theme") { 502 return "icons.bf".dup (); 503 } 504 505 icons = current_theme.replace (".theme", ".bf"); 506 f = SearchPaths.search_file (null, icons); 507 508 if (f.query_exists ()) { 509 return icons; 510 } 511 512 return "icons.bf".dup (); 513 } 514 } 515 516 } 517