Mercurial > projects > dynamin
annotate dynamin/gui/layout.d @ 100:4f2d709760eb
Change from individual fields to a static array for x, y, width, height, etc.
| author | Jordan Miner <jminer7@gmail.com> |
|---|---|
| date | Tue, 15 May 2012 15:17:24 -0500 |
| parents | 2e466b478c0b |
| children | 73060bc3f004 |
| rev | line source |
|---|---|
| 0 | 1 // Written in the D programming language |
| 2 // www.digitalmars.com/d/ | |
| 3 | |
| 4 /* | |
| 5 * The contents of this file are subject to the Mozilla Public License Version | |
| 6 * 1.1 (the "License"); you may not use this file except in compliance with | |
| 7 * the License. You may obtain a copy of the License at | |
| 8 * http://www.mozilla.org/MPL/ | |
| 9 * | |
| 10 * Software distributed under the License is distributed on an "AS IS" basis, | |
| 11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License | |
| 12 * for the specific language governing rights and limitations under the | |
| 13 * License. | |
| 14 * | |
| 15 * The Original Code is the Dynamin library. | |
| 16 * | |
| 17 * The Initial Developer of the Original Code is Jordan Miner. | |
| 18 * Portions created by the Initial Developer are Copyright (C) 2007-2009 | |
| 19 * the Initial Developer. All Rights Reserved. | |
| 20 * | |
| 21 * Contributor(s): | |
| 22 * Jordan Miner <jminer7@gmail.com> | |
| 23 * | |
| 24 */ | |
| 25 | |
| 26 module dynamin.gui.layout; | |
| 27 | |
| 28 import dynamin.all_gui; | |
| 29 import dynamin.gui.control; | |
| 30 import dynamin.all_painting; | |
| 31 import dynamin.core.string; | |
| 32 import tango.io.Stdout; | |
| 33 import dynamin.core.benchmark; | |
| 34 | |
| 35 // this is a temporary file to hold layout code until I figure out what | |
| 36 // files to put it in | |
| 37 | |
| 38 /* | |
| 39 Opera's find dialog: | |
| 40 | |
| 41 auto whatLabel = win.content.add(new Label("Find What")); | |
| 42 ... | |
| 43 | |
| 44 V( whatLabel | |
| 45 H( findBox findButton ) | |
| 46 H( V(wholeWordCheck caseCheck) ~ V(upRadio downRadio) ~) | |
| 47 H( ~ closeButton ) | |
| 48 ) | |
| 49 */ | |
| 50 | |
| 51 enum LayoutType { | |
| 52 None, Table, Control, Filler, Spacer | |
| 53 } | |
| 54 enum Elasticity { | |
| 55 No, Semi, Yes | |
| 56 } | |
| 57 struct LayoutGroup { | |
| 58 LayoutType type; | |
| 59 LayoutGroup* parent; | |
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60 LayoutGroup[] children; // used if type == LayoutType.Table |
| 0 | 61 Control control; // used if type == LayoutType.Control |
| 62 int numColumns; // used if type == LayoutType.Table | |
| 63 int numRows() { return children.length / numColumns; } | |
| 64 | |
| 65 bool cacheActive; | |
| 66 private Elasticity _elasticXCache, _elasticYCache; | |
| 67 private Size _bestSizeCache; | |
| 68 private int _baselineCache; | |
| 69 | |
| 70 // spacing variables | |
| 71 int spacing = 8; | |
| 72 static LayoutGroup opCall(LayoutType type, LayoutGroup* parent) { | |
| 73 LayoutGroup layout; | |
| 74 layout.type = type; | |
| 75 layout.parent = parent; | |
| 76 layout.children.length = 3; | |
| 77 layout.children.length = 0; | |
| 78 return layout; | |
| 79 } | |
| 80 | |
| 81 void setCache() { | |
| 82 for(int i = 0; i < children.length; ++i) // can't use foreach--copies | |
| 83 children[i].setCache(); | |
| 84 _elasticXCache = _elasticX; | |
| 85 _elasticYCache = _elasticY; | |
| 86 _bestSizeCache = _bestSize; | |
| 87 _baselineCache = _baseline; | |
| 88 cacheActive = true; | |
| 89 } | |
| 90 void clearCache() { | |
| 91 cacheActive = false; | |
| 92 for(int i = 0; i < children.length; ++i) // can't use foreach--copies | |
| 93 children[i].clearCache(); | |
| 94 } | |
| 95 Elasticity elasticX() { return cacheActive ? _elasticXCache : _elasticX; } | |
| 96 Elasticity elasticY() { return cacheActive ? _elasticYCache : _elasticY; } | |
| 97 Size bestSize() { return cacheActive ? _bestSizeCache : _bestSize; } | |
| 98 int baseline() { return cacheActive ? _baselineCache : _baseline; } | |
| 99 | |
| 100 //{{{ _elasticX() | |
| 101 private Elasticity _elasticX() { | |
| 102 switch(type) { | |
| 103 case LayoutType.Control: | |
| 104 return control.elasticX ? Elasticity.Yes : Elasticity.No; | |
| 105 case LayoutType.Table: | |
| 106 auto e = Elasticity.No; | |
| 107 foreach(layout; children) { | |
| 108 if(layout.elasticX > e) | |
| 109 e = layout.elasticX; | |
| 110 if(e == Elasticity.Yes) | |
| 111 return e; | |
| 112 } | |
| 113 return e; | |
| 114 case LayoutType.Filler: | |
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115 if(!parent || parent.numColumns > 1 || children.length == 1) |
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116 return Elasticity.Semi; |
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117 else |
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118 return Elasticity.No; |
| 0 | 119 case LayoutType.Spacer: |
| 120 return Elasticity.No; | |
| 121 } | |
| 122 } | |
| 123 //}}} | |
| 124 //{{{ _elasticY() | |
| 125 private Elasticity _elasticY() { | |
| 126 switch(type) { | |
| 127 case LayoutType.Control: | |
| 128 return control.elasticY ? Elasticity.Yes : Elasticity.No; | |
| 129 case LayoutType.Table: | |
| 130 auto e = Elasticity.No; | |
| 131 foreach(layout; children) { | |
| 132 if(layout.elasticY > e) | |
| 133 e = layout.elasticY; | |
| 134 if(e == Elasticity.Yes) | |
| 135 return e; | |
| 136 } | |
| 137 return e; | |
| 138 case LayoutType.Filler: | |
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139 if(!parent || parent.numRows > 1 || children.length == 1) |
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140 return Elasticity.Semi; |
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141 else |
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parents:
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142 return Elasticity.No; |
| 0 | 143 case LayoutType.Spacer: |
| 144 return Elasticity.No; | |
| 145 } | |
| 146 } | |
| 147 //}}} | |
| 148 | |
| 149 //{{{ _bestSize() | |
| 150 private Size _bestSize() { | |
| 151 switch(type) { | |
| 152 case LayoutType.Control: | |
| 153 return control.bestSize; | |
| 154 case LayoutType.Table: | |
| 155 scope colsInfo = new ColRowInfo[numColumns]; | |
| 156 scope rowsInfo = new ColRowInfo[numRows]; | |
| 157 TableInfo info; | |
| 158 getTableSizes(colsInfo, rowsInfo, info); | |
| 159 return info.bestSize; | |
| 160 case LayoutType.Filler: | |
| 161 case LayoutType.Spacer: | |
| 162 return Size(0, 0); | |
| 163 } | |
| 164 } | |
| 165 //}}} | |
| 166 //{{{ _baseline() | |
| 167 private int _baseline() { | |
| 168 switch(type) { | |
| 169 case LayoutType.Control: | |
| 170 return control.baseline; | |
| 171 case LayoutType.Table: | |
|
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Make horizontal layouts align along their baseline.
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172 if(numRows != 1) |
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173 return 0; |
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174 scope colsInfo = new ColRowInfo[numColumns]; |
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175 scope rowsInfo = new ColRowInfo[numRows]; |
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176 TableInfo info; |
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177 getTableSizes(colsInfo, rowsInfo, info); |
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178 return cast(int)rowsInfo[0].baseline; |
| 0 | 179 case LayoutType.Filler: |
| 180 case LayoutType.Spacer: | |
| 181 return 0; | |
| 182 } | |
| 183 } | |
| 184 //}}} | |
| 185 | |
| 186 //{{{ layout() | |
| 187 void layout(Rect rect) { | |
| 188 switch(type) { | |
| 189 case LayoutType.Control: | |
| 190 control.location = Point(rect.x, rect.y); | |
| 191 control.size = Size(rect.width, rect.height); | |
| 192 return; | |
| 193 case LayoutType.Table: | |
| 194 scope colsInfo = new ColRowInfo[numColumns]; | |
| 195 scope rowsInfo = new ColRowInfo[numRows]; | |
| 196 TableInfo info; | |
| 197 getTableSizes(colsInfo, rowsInfo, info); | |
| 198 | |
| 199 real extraWidth = rect.width - bestSize.width; | |
| 200 real extraHeight = rect.height - bestSize.height; | |
| 201 | |
| 202 void distExtra(ref real extra, ref ColRowInfo info, | |
| 203 ref real totalElastic, ref int semis, Elasticity e) { | |
| 204 if(info.elastic == Elasticity.No || extra <= 0) | |
| 205 return; | |
| 206 if(e == Elasticity.Semi && | |
| 207 info.elastic == Elasticity.Semi) { | |
| 208 auto thisExtra = extra / semis; | |
| 209 extra -= thisExtra; | |
| 210 semis--; | |
| 211 info.bestSize += thisExtra; | |
| 212 } else if(e == Elasticity.Yes && | |
| 213 info.elastic == Elasticity.Yes) { | |
| 214 auto thisExtra = extra * info.bestSize/totalElastic; | |
| 215 extra -= thisExtra; | |
| 216 totalElastic -= info.bestSize; // subtract original size | |
| 217 info.bestSize += thisExtra; | |
| 218 } | |
| 219 } | |
| 220 real y = 0; | |
| 221 for(int row = 0; row < numRows; ++row) { // go over each row | |
| 222 distExtra(extraHeight, rowsInfo[row], info.elasticHeight, info.semiRows, elasticY); | |
| 223 | |
| 224 real x = 0; | |
| 225 for(int col = 0; col < numColumns; ++col) { | |
| 226 distExtra(extraWidth, colsInfo[col], info.elasticWidth, info.semiColumns, elasticX); | |
| 227 | |
| 228 auto layout = children[row * numColumns + col]; | |
| 229 | |
| 230 Rect r = Point(x, y) + layout.bestSize; | |
| 231 | |
| 232 if(layout.baseline > 0) | |
| 233 r.y = r.y + rowsInfo[row].baseline - layout.baseline; | |
| 234 if(layout.elasticX) | |
| 235 r.width = colsInfo[col].bestSize; | |
| 236 if(layout.elasticY) | |
| 237 r.height = rowsInfo[row].bestSize; | |
| 238 | |
| 239 layout.layout(r + Point(rect.x, rect.y)); | |
| 240 | |
| 241 x += colsInfo[col].bestSize + | |
| 242 (colsInfo[col].filler ? 0 : spacing); | |
| 243 } | |
| 244 y += rowsInfo[row].bestSize + | |
| 245 (rowsInfo[row].filler ? 0 : spacing); | |
| 246 } | |
| 247 return; | |
| 248 case LayoutType.Filler: | |
| 249 case LayoutType.Spacer: | |
| 250 return; | |
| 251 } | |
| 252 } | |
| 253 //}}} | |
| 254 | |
| 255 struct ColRowInfo { | |
| 256 real bestSize = 0; // large enough to hold the largest control | |
| 257 Elasticity elastic = Elasticity.No; | |
| 258 bool filler = true; // if the entire column/row is filler | |
| 259 real baseline; // only applies to rows: max baseline in row | |
| 260 } | |
| 261 struct TableInfo { | |
| 262 // number of semi-elastic columns/rows | |
| 263 int semiColumns = 0; int semiRows = 0; | |
| 264 // the sum of fully elastic width/height, not including semi | |
| 265 real elasticWidth = 0, elasticHeight = 0; | |
|
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parents:
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266 Size bestSize; |
| 0 | 267 } |
| 268 //{{{ getTableSizes() | |
| 269 // Fills in the passed in array with the column and row sizes, as well | |
| 270 // as whether they are elastic. The passed in arrays must be the right | |
| 271 // sizes. They may be stack allocated. The table best size does | |
| 272 // including spacing, but column and row best sizes do not. | |
| 273 private void getTableSizes(ColRowInfo[] colsInfo, ColRowInfo[] rowsInfo, ref TableInfo info) { | |
| 274 assert(children.length % numColumns == 0); | |
| 275 assert(type == LayoutType.Table); | |
| 276 | |
| 277 assert(colsInfo.length == numColumns); | |
| 278 assert(rowsInfo.length == numRows); | |
| 279 | |
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280 real max = 0; |
| 0 | 281 LayoutGroup* l; |
| 282 | |
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283 bool prevNonFiller = false; |
| 0 | 284 int sp = 0; |
| 285 for(int col = 0; col < numColumns; ++col) { // go down each column | |
| 286 for(int row = 0; row < numRows; ++row) { | |
| 287 l = &children[row * numColumns + col]; | |
| 288 max = l.bestSize.width > max ? l.bestSize.width : max; | |
| 289 if(l.elasticX > colsInfo[col].elastic) | |
| 290 colsInfo[col].elastic = l.elasticX; | |
| 291 if(l.type != LayoutType.Filler) | |
| 292 colsInfo[col].filler = false; | |
| 293 } | |
| 294 colsInfo[col].bestSize = max; | |
| 295 if(colsInfo[col].elastic == Elasticity.Yes) | |
| 296 info.elasticWidth += max; | |
| 297 else if(colsInfo[col].elastic == Elasticity.Semi) | |
| 298 info.semiColumns++; | |
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299 // this won't add spacing to the first non-filler |
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parents:
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300 sp = (!colsInfo[col].filler && prevNonFiller) ? spacing : 0; |
| 0 | 301 info.bestSize.width = info.bestSize.width + sp + max; |
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parents:
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diff
changeset
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302 prevNonFiller = !colsInfo[col].filler ? true : prevNonFiller ; |
| 0 | 303 max = 0; |
| 304 } | |
| 305 | |
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parents:
38
diff
changeset
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306 prevNonFiller = false; |
| 0 | 307 real maxBl = 0; |
| 308 sp = 0; | |
| 309 for(int row = 0; row < numRows; ++row) { // go over each row | |
| 310 for(int col = 0; col < numColumns; ++col) { | |
| 311 l = &children[row * numColumns + col]; | |
| 312 max = l.bestSize.height > max ? l.bestSize.height : max; | |
| 313 maxBl = l.baseline > maxBl ? l.baseline : maxBl; | |
| 314 if(l.elasticY > rowsInfo[row].elastic) | |
| 315 rowsInfo[row].elastic = l.elasticY; | |
| 316 if(l.type != LayoutType.Filler) | |
| 317 rowsInfo[row].filler = false; | |
| 318 } | |
| 319 rowsInfo[row].bestSize = max; | |
| 320 rowsInfo[row].baseline = maxBl; | |
| 321 if(rowsInfo[row].elastic == Elasticity.Yes) | |
| 322 info.elasticHeight += max; | |
| 323 else if(rowsInfo[row].elastic == Elasticity.Semi) | |
| 324 info.semiRows++; | |
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parents:
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diff
changeset
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325 // this won't add spacing to the first non-filler |
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04d2867d335c
Fix possible incorrect extra space after the last control in a layout.
Jordan Miner <jminer7@gmail.com>
parents:
38
diff
changeset
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326 sp = (!rowsInfo[row].filler && prevNonFiller) ? spacing : 0; |
| 0 | 327 info.bestSize.height = info.bestSize.height + sp + max; |
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parents:
38
diff
changeset
|
328 prevNonFiller = !rowsInfo[row].filler ? true : prevNonFiller ; |
| 0 | 329 max = maxBl = 0; |
| 330 } | |
| 331 } | |
| 332 //}}} | |
| 333 } | |
| 334 | |
| 335 //{{{ LayoutPanel class | |
| 336 class LayoutPanel : Panel { | |
| 337 LayoutGroup root; | |
| 338 LayoutGroup* current; | |
| 339 void startLayout(int ncolumns) { | |
| 340 if(current is null) { | |
| 341 root = LayoutGroup(LayoutType.Table, null); | |
| 342 root.numColumns = ncolumns; | |
| 343 current = &root; | |
| 344 return; | |
| 345 } | |
| 346 current.children.length = current.children.length+1; | |
| 347 current.children[$-1] = LayoutGroup(LayoutType.Table, current); | |
| 348 current.children[$-1].numColumns = ncolumns; | |
| 349 current = ¤t.children[$-1]; | |
| 350 } | |
| 351 void endLayout() { | |
| 352 current = current.parent; | |
| 353 } | |
| 354 override void add(Control c) { | |
| 355 if(current is null) | |
| 356 throw new Exception("Cannot add a control until a layout is started"); | |
| 357 current.children.length = current.children.length+1; | |
| 358 current.children[$-1] = LayoutGroup(LayoutType.Control, current); | |
| 359 current.children[$-1].control = c; | |
| 360 super.add(c); | |
| 361 } | |
| 362 void addFiller() { | |
| 363 current.children.length = current.children.length+1; | |
| 364 current.children[$-1] = LayoutGroup(LayoutType.Filler, current); | |
| 365 } | |
| 366 void addSpacer() { | |
| 367 current.children.length = current.children.length+1; | |
| 368 current.children[$-1] = LayoutGroup(LayoutType.Spacer, current); | |
| 369 } | |
| 370 | |
| 371 override Size bestSize() { | |
| 372 return root.bestSize + Size(root.spacing*2, root.spacing*2); | |
| 373 } | |
| 374 override bool elasticX() { return root.elasticX == Elasticity.Yes; } | |
| 375 override bool elasticY() { return root.elasticY == Elasticity.Yes; } | |
| 376 override void layout() { | |
| 377 //benchmarkAndWrite("layout", { | |
| 378 root.setCache(); | |
| 379 int sp = root.spacing; | |
| 380 root.layout(Rect(sp, sp, width-2*sp, height-2*sp)); | |
| 381 root.clearCache(); | |
| 382 //}); | |
| 383 } | |
| 384 } | |
| 385 //}}} | |
| 386 | |
| 387 //{{{ createLayout() etc. | |
| 388 /** | |
| 389 * Note: if you do this: | |
| 390 * ----- | |
| 391 * char[] s = createLayout("V( b1 H(b2 b3) )"); | |
| 392 * ----- | |
| 393 * Then the program will crash when compiled with the -release flag. (I am | |
| 394 * pretty sure it is a DMD bug, but I don't have time to make a testcase | |
| 395 * for a bug that does not bother me.) This will work correctly: | |
| 396 * ----- | |
| 397 * const char[] s = createLayout("V( b1 H(b2 b3) )"); | |
| 398 * ----- | |
| 399 * Because then the function is interpreted at compile time with CTFE. | |
| 400 */ | |
| 401 string createLayout(string layout) { | |
| 402 string code = "delegate LayoutPanel() {\n"; | |
| 403 code ~= "auto panel = new LayoutPanel;\n"; | |
| 404 assert(getToken(layout) == "H" || getToken(layout) == "V" || | |
| 405 getToken(layout) == "T", "layout type 'H', 'V', or 'T' expected"); | |
| 406 code ~= parseLayout(layout); | |
| 407 code ~= "return panel;\n"; | |
| 408 code ~= "}()"; | |
| 409 return code; | |
| 410 } | |
| 411 | |
| 412 void skipWS(ref string str) { | |
| 413 int i = 0; | |
| 414 while(" \t\n\r\v\f".contains(str[i])) | |
| 415 i++; | |
| 416 str = str[i..$]; | |
| 417 } | |
| 418 // advances to the next token and returns it | |
| 419 string nextToken(ref string str) { | |
| 420 skipWS(str); | |
| 421 str = str[getToken(str).length..$]; | |
| 422 return getToken(str); | |
| 423 } | |
| 424 // returns H or V or ( or ) or myControl | |
| 425 // gets the current token | |
| 426 string getToken(string str) { | |
| 427 string idChars = | |
| 428 "_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; | |
| 429 | |
| 430 // TODO: // for line comments? | |
| 431 skipWS(str); | |
|
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Change layout language to use * for filler and ~ for spacing. Ticket #24
Jordan Miner <jminer7@gmail.com>
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432 if("()[]*~".contains(str[0])) { |
| 0 | 433 return str[0..1]; |
| 434 } else if(idChars.contains(str[0])) { | |
| 435 int i = 1; | |
| 436 while(idChars.contains(str[i])) | |
| 437 i++; | |
| 438 return str[0..i]; | |
| 439 } else { | |
| 440 assert(0, "unknown character: " ~ str[0]); | |
| 441 } | |
| 442 } | |
| 443 | |
| 444 // {{{ copied from Phobos | |
| 445 char[] ctfeUintToString(uint u) { | |
| 446 char[uint.sizeof * 3] buffer = void; | |
| 447 int ndigits; | |
| 448 char[] result; | |
| 449 char[] digits = "0123456789"; | |
| 450 | |
| 451 ndigits = 0; | |
| 452 if (u < 10) | |
| 453 // Avoid storage allocation for simple stuff | |
| 454 result = digits[u .. u + 1]; | |
| 455 else | |
| 456 { | |
| 457 while (u) | |
| 458 { | |
| 459 uint c = (u % 10) + '0'; | |
| 460 u /= 10; | |
| 461 ndigits++; | |
| 462 buffer[buffer.length - ndigits] = cast(char)c; | |
| 463 } | |
| 464 result = new char[ndigits]; | |
| 465 result[] = buffer[buffer.length - ndigits .. buffer.length]; | |
| 466 } | |
| 467 return result; | |
| 468 } | |
| 469 uint ctfeStringToUint(char[] s) | |
| 470 { | |
| 471 int length = s.length; | |
| 472 | |
| 473 if (!length) | |
| 474 return 0; | |
| 475 | |
| 476 uint v = 0; | |
| 477 | |
| 478 for (int i = 0; i < length; i++) | |
| 479 { | |
| 480 char c = s[i]; | |
| 481 if (c >= '0' && c <= '9') | |
| 482 { | |
| 483 if (v < uint.max/10 || (v == uint.max/10 && c <= '5')) | |
| 484 v = v * 10 + (c - '0'); | |
| 485 else | |
| 486 return 0; | |
| 487 } | |
| 488 else | |
| 489 return 0; | |
| 490 } | |
| 491 return v; | |
| 492 } | |
| 493 //}}} | |
| 494 | |
| 495 uint parseBody(ref string layout, ref string bcode) { | |
| 496 uint count = 0; | |
| 497 assert(nextToken(layout) == "(", "open parenthesis expected"); | |
| 498 while(nextToken(layout) != ")") { | |
|
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499 if(getToken(layout) == "*") |
| 0 | 500 bcode = bcode ~ "panel.addFiller();\n"; |
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501 else if(getToken(layout) == "~") |
| 0 | 502 bcode = bcode ~ "panel.addSpacer();\n"; |
| 503 else | |
| 504 bcode = bcode ~ parseLayout(layout); | |
| 505 count++; | |
| 506 } | |
| 507 bcode = bcode ~ "panel.endLayout();\n"; | |
| 508 return count; | |
| 509 } | |
| 510 | |
| 511 string parseLayout(ref string layout) { | |
| 512 string code = ""; | |
| 513 | |
| 514 if(getToken(layout) == "H") { | |
| 515 string bodyCode; | |
| 516 auto count = parseBody(layout, bodyCode); | |
| 517 code ~= "panel.startLayout(" ~ ctfeUintToString(count) ~ ");\n"; | |
| 518 code ~= bodyCode; | |
| 519 } else if(getToken(layout) == "V") { | |
| 520 code ~= "panel.startLayout(1);\n"; | |
| 521 parseBody(layout, code); | |
| 522 } else if(getToken(layout) == "T") { | |
| 523 assert(nextToken(layout) == "[", "open bracket expected"); | |
| 524 nextToken(layout); | |
| 525 assert("0123456789".contains(getToken(layout)[0]), | |
| 526 "number of table columns expected"); | |
| 527 uint columns = ctfeStringToUint(getToken(layout)); | |
| 528 code ~= "panel.startLayout(" ~ getToken(layout) ~ ");\n"; | |
| 529 assert(nextToken(layout) == "]", "close bracket expected"); | |
| 530 assert(parseBody(layout, code) % columns == 0, | |
| 531 "number of controls must be a multiple of number of columns"); | |
| 532 } else { | |
| 533 code ~= "panel.add(" ~ getToken(layout) ~ ");\n"; | |
| 534 } | |
| 535 | |
| 536 return code; | |
| 537 } | |
| 538 | |
| 539 //{{{ parser tests | |
| 540 static assert(createLayout("H()") != "not evaluatable at compile time"); | |
| 541 //pragma(msg, createLayout("V()")); | |
| 542 | |
| 543 static assert(createLayout("V(c1 c2)") == | |
| 544 `delegate LayoutPanel() { | |
| 545 auto panel = new LayoutPanel; | |
| 546 panel.startLayout(1); | |
| 547 panel.add(c1); | |
| 548 panel.add(c2); | |
| 549 panel.endLayout(); | |
| 550 return panel; | |
| 551 }()`); | |
|
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552 static assert(createLayout("V(c1 * c2 H(c3 ~) c4)") == |
| 0 | 553 `delegate LayoutPanel() { |
| 554 auto panel = new LayoutPanel; | |
| 555 panel.startLayout(1); | |
| 556 panel.add(c1); | |
| 557 panel.addFiller(); | |
| 558 panel.add(c2); | |
| 559 panel.startLayout(2); | |
| 560 panel.add(c3); | |
| 561 panel.addSpacer(); | |
| 562 panel.endLayout(); | |
| 563 panel.add(c4); | |
| 564 panel.endLayout(); | |
| 565 return panel; | |
| 566 }()`); | |
| 567 static assert(createLayout("V( c1 T[2](c2 c3) c4 )") == | |
| 568 `delegate LayoutPanel() { | |
| 569 auto panel = new LayoutPanel; | |
| 570 panel.startLayout(1); | |
| 571 panel.add(c1); | |
| 572 panel.startLayout(2); | |
| 573 panel.add(c2); | |
| 574 panel.add(c3); | |
| 575 panel.endLayout(); | |
| 576 panel.add(c4); | |
| 577 panel.endLayout(); | |
| 578 return panel; | |
| 579 }()`); | |
| 580 //}}} | |
| 581 | |
| 582 //}}} | |
| 583 | |
| 584 unittest { | |
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585 class FakeButton : Control { |
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586 Size bestSize() { return Size(80, 30); } |
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587 bool elasticX() { return false; } |
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588 bool elasticY() { return false; } |
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589 int baseline() { return 20; } |
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590 } |
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591 class FakeTextBox : Control { |
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592 Size bestSize() { return Size(100, 20); } |
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593 bool elasticX() { return true; } |
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594 bool elasticY() { return false; } |
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595 int baseline() { return 18; } |
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596 } |
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597 class FakeListBox : Control { |
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598 Size bestSize() { return Size(100, 300); } |
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599 bool elasticX() { return false; } |
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600 bool elasticY() { return true; } |
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601 int baseline() { return 15; } |
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602 } |
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603 class FakeLabel : Control { |
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604 Size bestSize() { return Size(70, 15); } |
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605 bool elasticX() { return false; } |
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606 bool elasticY() { return false; } |
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607 int baseline() { return 13; } |
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608 } |
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609 auto button1 = new FakeButton(); |
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610 auto tb1 = new FakeTextBox(); |
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611 auto tb2 = new FakeTextBox(); |
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612 auto lb1 = new FakeListBox(); |
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613 auto label1 = new FakeLabel(); |
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614 auto label2 = new FakeLabel(); |
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615 |
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616 Panel panel; |
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617 auto sp = 8; // TODO: get from same place as layout |
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618 |
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619 // vertical layout |
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620 panel = mixin(createLayout(`V( label1 button1 )`)); |
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621 assert(panel.bestSize == Size(80+sp*2, 30+15+sp*3)); |
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622 assert(panel.elasticX == false); |
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623 assert(panel.elasticY == false); |
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624 panel.size = [1000, 1000]; |
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625 assert(label1.location == Point(sp, sp)); |
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626 assert(label1.size == label1.bestSize); |
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627 assert(button1.location == Point(sp, 15+sp*2)); |
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628 assert(button1.size == button1.bestSize); |
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629 |
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630 // horizontal layout |
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631 panel = mixin(createLayout(`H( label1 button1 * )`)); |
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632 assert(panel.bestSize == Size(80+70+sp*3, 30+sp*2)); |
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633 assert(panel.elasticX == false); |
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634 assert(panel.elasticY == false); |
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635 panel.size = [1000, 1000]; |
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636 assert(label1.location == Point(sp, 20-13+sp)); |
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637 assert(label1.size == label1.bestSize); |
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638 assert(button1.location == Point(70+sp*2, sp)); |
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639 assert(button1.size == button1.bestSize); |
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640 |
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641 // filler is last priority |
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642 panel = mixin(createLayout(`H( * label1 tb1 )`)); |
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643 assert(panel.bestSize == Size(70+100+sp*3, 20+sp*2)); |
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644 assert(panel.elasticX == true); |
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645 assert(panel.elasticY == false); |
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646 panel.size = [500, 1000]; |
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647 assert(label1.location == Point(sp, 18-13+sp)); |
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648 assert(label1.size == label1.bestSize); |
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649 assert(tb1.location == Point(70+sp*2, sp)); |
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650 assert(tb1.size == Size(panel.width-70-sp*3, tb1.bestSize.height)); |
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651 |
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652 // extra space is distributed evenly between elastic controls |
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653 panel = mixin(createLayout(`V( H( tb1 label1 tb2 ) H( * label2 button1) )`)); |
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654 assert(panel.bestSize == Size(270+sp*4, 20+30+sp*3)); |
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655 assert(panel.elasticX == true); |
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656 assert(panel.elasticY == false); |
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657 panel.size = [500, 1000]; |
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658 assert(tb1.location == Point(sp, sp)); |
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659 assert(tb1.size == Size((panel.width-70-sp*4) / 2, 20)); |
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660 assert(label1.location == Point(tb1.width+sp*2, 18-13+sp)); |
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661 assert(label1.size == label1.bestSize); |
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662 assert(tb2.location == Point(tb1.width+70+sp*3, sp)); |
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663 assert(tb2.size == Size(tb1.width, 20)); |
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664 assert(label2.location == Point(panel.width-80-70-sp*2, 20+(20-13)+sp*2)); |
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665 assert(label2.size == label2.bestSize); |
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666 assert(button1.location == Point(panel.width-80-sp, 20+sp*2)); |
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667 assert(button1.size == button1.bestSize); |
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668 |
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669 // extra space is distributed evenly between filler |
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670 panel = mixin(createLayout(`V( * label1 * label2 * )`)); |
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671 assert(panel.bestSize == Size(70+sp*2, 15+15+sp*3)); |
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672 assert(panel.elasticX == false); |
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673 assert(panel.elasticY == false); |
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674 panel.size = [500, 120]; |
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675 assert(label1.location == Point(sp, 30)); |
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676 assert(label1.size == label1.bestSize); |
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677 assert(label2.location == Point(sp, 75)); |
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678 assert(label2.size == label2.bestSize); |
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679 |
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680 // spacing |
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681 panel = mixin(createLayout(`H( ~ label1 ~ button1 ~ )`)); |
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682 assert(panel.bestSize == Size(70+80+sp*6, 30+sp*2)); |
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Add a few layout tests (with decent coverage).
Jordan Miner <jminer7@gmail.com>
parents:
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683 assert(panel.elasticX == false); |
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Add a few layout tests (with decent coverage).
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parents:
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684 assert(panel.elasticY == false); |
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Add a few layout tests (with decent coverage).
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parents:
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685 panel.size = [500, 500]; |
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Add a few layout tests (with decent coverage).
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parents:
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686 assert(label1.location == Point(sp*2, 20-13+sp)); |
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Add a few layout tests (with decent coverage).
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parents:
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687 assert(button1.location == Point(70+sp*4, sp)); |
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Add a few layout tests (with decent coverage).
Jordan Miner <jminer7@gmail.com>
parents:
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688 |
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Add a few layout tests (with decent coverage).
Jordan Miner <jminer7@gmail.com>
parents:
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689 // semielastic |
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Add a few layout tests (with decent coverage).
Jordan Miner <jminer7@gmail.com>
parents:
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690 panel = mixin(createLayout(`T[2]( H(*label1) tb1 H(*button1) tb2 )`)); |
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691 assert(panel.bestSize == Size(80+100+sp*3, 20+30+sp*3)); |
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692 assert(panel.elasticX == true); |
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Add a few layout tests (with decent coverage).
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parents:
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693 assert(panel.elasticY == false); |
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Add a few layout tests (with decent coverage).
Jordan Miner <jminer7@gmail.com>
parents:
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694 panel.size = [500, 500]; |
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Add a few layout tests (with decent coverage).
Jordan Miner <jminer7@gmail.com>
parents:
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695 assert(label1.location == Point(10+sp, 18-13+sp)); |
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Add a few layout tests (with decent coverage).
Jordan Miner <jminer7@gmail.com>
parents:
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696 assert(label1.size == label1.bestSize); |
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c25e8b83c5b8
Add a few layout tests (with decent coverage).
Jordan Miner <jminer7@gmail.com>
parents:
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697 assert(button1.location == Point(sp, 20+sp*2)); |
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c25e8b83c5b8
Add a few layout tests (with decent coverage).
Jordan Miner <jminer7@gmail.com>
parents:
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698 assert(button1.size == button1.bestSize); |
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c25e8b83c5b8
Add a few layout tests (with decent coverage).
Jordan Miner <jminer7@gmail.com>
parents:
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699 |
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Jordan Miner <jminer7@gmail.com>
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700 //assert(.location == Point()); |
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701 //assert(.size == Size()); |
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702 //Stdout("1:")(panel.bestSize).newline; |
| 0 | 703 } |
| 704 |