Mercurial > projects > dwt-addons
annotate dwtx/ui/internal/forms/widgets/FormUtil.d @ 90:7ffeace6c47f
Update 3.4M7 to 3.4
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 06 Jul 2008 23:30:07 +0200 |
| parents | 4ac9946b9fb5 |
| children | 11e8159caf7a |
| rev | line source |
|---|---|
| 75 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2007 IBM Corporation and others. | |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Chriss Gross (schtoo@schtoo.com) - fix for 61670 | |
| 11 * Port to the D programming language: | |
| 12 * Frank Benoit <benoit@tionex.de> | |
| 13 *******************************************************************************/ | |
| 14 module dwtx.ui.internal.forms.widgets.FormUtil; | |
| 15 | |
| 16 | |
| 90 | 17 // import com.ibm.icu.text.BreakIterator; |
| 18 | |
| 75 | 19 import dwt.DWT; |
| 20 import dwt.custom.ScrolledComposite; | |
| 21 import dwt.events.MouseEvent; | |
| 22 import dwt.graphics.Device; | |
| 23 import dwt.graphics.FontMetrics; | |
| 24 import dwt.graphics.GC; | |
| 25 import dwt.graphics.Image; | |
| 26 import dwt.graphics.ImageData; | |
| 27 import dwt.graphics.Point; | |
| 28 import dwt.graphics.Rectangle; | |
| 29 import dwt.layout.GridData; | |
| 30 import dwt.widgets.Combo; | |
| 31 import dwt.widgets.Composite; | |
| 32 import dwt.widgets.Control; | |
| 33 import dwt.widgets.Label; | |
| 34 import dwt.widgets.Layout; | |
| 35 import dwt.widgets.ScrollBar; | |
| 36 import dwt.widgets.Text; | |
| 37 import dwtx.ui.forms.widgets.ColumnLayout; | |
| 38 import dwtx.ui.forms.widgets.Form; | |
| 39 import dwtx.ui.forms.widgets.FormText; | |
| 40 import dwtx.ui.forms.widgets.FormToolkit; | |
| 41 import dwtx.ui.forms.widgets.ILayoutExtension; | |
| 42 | |
| 43 import dwt.dwthelper.utils; | |
| 44 | |
| 90 | 45 import dwtx.dwtxhelper.BreakIterator; |
| 46 // import mango.icu.UString; | |
| 47 // import mango.icu.ULocale; | |
| 48 // import mango.icu.UBreakIterator; | |
| 49 | |
| 75 | 50 public class FormUtil { |
| 51 | |
| 52 public static const String PLUGIN_ID = "dwtx.ui.forms"; //$NON-NLS-1$ | |
| 53 | |
| 54 static const int H_SCROLL_INCREMENT = 5; | |
| 55 | |
| 56 static const int V_SCROLL_INCREMENT = 64; | |
| 57 | |
|
77
26c6c9dfd13c
ui.forms compile, just FormTextModel with xml reimpl left todo
Frank Benoit <benoit@tionex.de>
parents:
75
diff
changeset
|
58 public static const String DEBUG = PLUGIN_ID ~ "/debug"; //$NON-NLS-1$ |
| 75 | 59 |
|
77
26c6c9dfd13c
ui.forms compile, just FormTextModel with xml reimpl left todo
Frank Benoit <benoit@tionex.de>
parents:
75
diff
changeset
|
60 public static const String DEBUG_TEXT = DEBUG ~ "/text"; //$NON-NLS-1$ |
|
26c6c9dfd13c
ui.forms compile, just FormTextModel with xml reimpl left todo
Frank Benoit <benoit@tionex.de>
parents:
75
diff
changeset
|
61 public static const String DEBUG_TEXTSIZE = DEBUG ~ "/textsize"; //$NON-NLS-1$ |
| 75 | 62 |
|
77
26c6c9dfd13c
ui.forms compile, just FormTextModel with xml reimpl left todo
Frank Benoit <benoit@tionex.de>
parents:
75
diff
changeset
|
63 public static const String DEBUG_FOCUS = DEBUG ~ "/focus"; //$NON-NLS-1$ |
| 75 | 64 |
| 65 public static const String FOCUS_SCROLLING = "focusScrolling"; //$NON-NLS-1$ | |
| 66 | |
| 67 public static const String IGNORE_BODY = "__ignore_body__"; //$NON-NLS-1$ | |
| 68 | |
| 69 public static Text createText(Composite parent, String label, | |
| 70 FormToolkit factory) { | |
| 71 return createText(parent, label, factory, 1); | |
| 72 } | |
| 73 | |
| 74 public static Text createText(Composite parent, String label, | |
| 75 FormToolkit factory, int span) { | |
| 76 factory.createLabel(parent, label); | |
| 77 Text text = factory.createText(parent, ""); //$NON-NLS-1$ | |
| 78 int hfill = span is 1 ? GridData.FILL_HORIZONTAL | |
| 79 : GridData.HORIZONTAL_ALIGN_FILL; | |
| 80 GridData gd = new GridData(hfill | GridData.VERTICAL_ALIGN_CENTER); | |
| 81 gd.horizontalSpan = span; | |
| 82 text.setLayoutData(gd); | |
| 83 return text; | |
| 84 } | |
| 85 | |
| 86 public static Text createText(Composite parent, String label, | |
| 87 FormToolkit factory, int span, int style) { | |
| 88 Label l = factory.createLabel(parent, label); | |
| 89 if ((style & DWT.MULTI) !is 0) { | |
| 90 GridData gd = new GridData(GridData.VERTICAL_ALIGN_BEGINNING); | |
| 91 l.setLayoutData(gd); | |
| 92 } | |
| 93 Text text = factory.createText(parent, "", style); //$NON-NLS-1$ | |
| 94 int hfill = span is 1 ? GridData.FILL_HORIZONTAL | |
| 95 : GridData.HORIZONTAL_ALIGN_FILL; | |
| 96 GridData gd = new GridData(hfill | GridData.VERTICAL_ALIGN_CENTER); | |
| 97 gd.horizontalSpan = span; | |
| 98 text.setLayoutData(gd); | |
| 99 return text; | |
| 100 } | |
| 101 | |
| 102 public static Text createText(Composite parent, FormToolkit factory, | |
| 103 int span) { | |
| 104 Text text = factory.createText(parent, ""); //$NON-NLS-1$ | |
| 105 int hfill = span is 1 ? GridData.FILL_HORIZONTAL | |
| 106 : GridData.HORIZONTAL_ALIGN_FILL; | |
| 107 GridData gd = new GridData(hfill | GridData.VERTICAL_ALIGN_CENTER); | |
| 108 gd.horizontalSpan = span; | |
| 109 text.setLayoutData(gd); | |
| 110 return text; | |
| 111 } | |
| 112 | |
| 113 public static int computeMinimumWidth(GC gc, String text) { | |
| 90 | 114 auto wb = UBreakIterator.openWordIterator( ULocale.Default, text ); |
| 115 scope(exit) wb.close(); | |
| 75 | 116 int last = 0; |
| 117 int width = 0; | |
| 118 | |
| 90 | 119 for (int loc = wb.first(); loc !is UBreakIterator.DONE; loc = wb.next()) { |
| 75 | 120 String word = text.substring(last, loc); |
| 121 Point extent = gc.textExtent(word); | |
| 122 width = Math.max(width, extent.x); | |
| 123 last = loc; | |
| 124 } | |
| 125 String lastWord = text.substring(last); | |
| 126 Point extent = gc.textExtent(lastWord); | |
| 127 width = Math.max(width, extent.x); | |
| 128 return width; | |
| 129 } | |
| 130 | |
| 131 public static Point computeWrapSize(GC gc, String text, int wHint) { | |
| 90 | 132 auto wb = UBreakIterator.openWordIterator( ULocale.Default, text ); |
| 133 scope(exit) wb.close(); | |
| 75 | 134 FontMetrics fm = gc.getFontMetrics(); |
| 135 int lineHeight = fm.getHeight(); | |
| 136 | |
| 137 int saved = 0; | |
| 138 int last = 0; | |
| 139 int height = lineHeight; | |
| 140 int maxWidth = 0; | |
| 90 | 141 for (int loc = wb.first(); loc !is UBreakIterator.DONE; loc = wb.next()) { |
| 75 | 142 String word = text.substring(saved, loc); |
| 143 Point extent = gc.textExtent(word); | |
| 144 if (extent.x > wHint) { | |
| 145 // overflow | |
| 146 saved = last; | |
| 147 height += extent.y; | |
| 148 // switch to current word so maxWidth will accommodate very long single words | |
| 149 word = text.substring(last, loc); | |
| 150 extent = gc.textExtent(word); | |
| 151 } | |
| 152 maxWidth = Math.max(maxWidth, extent.x); | |
| 153 last = loc; | |
| 154 } | |
| 155 /* | |
| 156 * Correct the height attribute in case it was calculated wrong due to wHint being less than maxWidth. | |
| 157 * The recursive call proved to be the only thing that worked in all cases. Some attempts can be made | |
| 158 * to estimate the height, but the algorithm needs to be run again to be sure. | |
| 159 */ | |
| 160 if (maxWidth > wHint) | |
| 161 return computeWrapSize(gc, text, maxWidth); | |
| 162 return new Point(maxWidth, height); | |
| 163 } | |
| 164 | |
| 165 public static void paintWrapText(GC gc, String text, Rectangle bounds) { | |
| 166 paintWrapText(gc, text, bounds, false); | |
| 167 } | |
| 168 | |
| 169 public static void paintWrapText(GC gc, String text, Rectangle bounds, | |
| 170 bool underline) { | |
| 90 | 171 auto wb = UBreakIterator.openWordIterator( ULocale.Default, text ); |
| 172 scope(exit) wb.close(); | |
| 75 | 173 FontMetrics fm = gc.getFontMetrics(); |
| 174 int lineHeight = fm.getHeight(); | |
| 175 int descent = fm.getDescent(); | |
| 176 | |
| 177 int saved = 0; | |
| 178 int last = 0; | |
| 179 int y = bounds.y; | |
| 180 int width = bounds.width; | |
| 181 | |
| 90 | 182 for (int loc = wb.first(); loc !is UBreakIterator.DONE; loc = wb.next()) { |
| 75 | 183 String line = text.substring(saved, loc); |
| 184 Point extent = gc.textExtent(line); | |
| 185 | |
| 186 if (extent.x > width) { | |
| 187 // overflow | |
| 188 String prevLine = text.substring(saved, last); | |
| 189 gc.drawText(prevLine, bounds.x, y, true); | |
| 190 if (underline) { | |
| 191 Point prevExtent = gc.textExtent(prevLine); | |
| 192 int lineY = y + lineHeight - descent + 1; | |
| 193 gc | |
| 194 .drawLine(bounds.x, lineY, bounds.x + prevExtent.x, | |
| 195 lineY); | |
| 196 } | |
| 197 | |
| 198 saved = last; | |
| 199 y += lineHeight; | |
| 200 } | |
| 201 last = loc; | |
| 202 } | |
| 203 // paint the last line | |
| 204 String lastLine = text.substring(saved, last); | |
| 205 gc.drawText(lastLine, bounds.x, y, true); | |
| 206 if (underline) { | |
| 207 int lineY = y + lineHeight - descent + 1; | |
| 208 Point lastExtent = gc.textExtent(lastLine); | |
| 209 gc.drawLine(bounds.x, lineY, bounds.x + lastExtent.x, lineY); | |
| 210 } | |
| 211 } | |
| 212 | |
| 213 public static ScrolledComposite getScrolledComposite(Control c) { | |
| 214 Composite parent = c.getParent(); | |
| 215 | |
| 216 while (parent !is null) { | |
| 217 if ( auto sc = cast(ScrolledComposite)parent ) { | |
| 218 return sc; | |
| 219 } | |
| 220 parent = parent.getParent(); | |
| 221 } | |
| 222 return null; | |
| 223 } | |
| 224 | |
| 225 public static void ensureVisible(Control c) { | |
| 226 ScrolledComposite scomp = getScrolledComposite(c); | |
| 227 if (scomp !is null) { | |
| 228 Object data = scomp.getData(FOCUS_SCROLLING); | |
|
77
26c6c9dfd13c
ui.forms compile, just FormTextModel with xml reimpl left todo
Frank Benoit <benoit@tionex.de>
parents:
75
diff
changeset
|
229 if (data is null || !data.opEquals(Boolean.FALSE)) |
| 75 | 230 FormUtil.ensureVisible(scomp, c); |
| 231 } | |
| 232 } | |
| 233 | |
| 234 public static void ensureVisible(ScrolledComposite scomp, Control control) { | |
| 235 // if the control is a FormText we do not need to scroll since it will | |
| 236 // ensure visibility of its segments as necessary | |
| 237 if ( auto ft = cast(FormText)control ) | |
| 238 return; | |
| 239 Point controlSize = control.getSize(); | |
| 240 Point controlOrigin = getControlLocation(scomp, control); | |
| 241 ensureVisible(scomp, controlOrigin, controlSize); | |
| 242 } | |
| 243 | |
| 244 public static void ensureVisible(ScrolledComposite scomp, | |
| 245 Point controlOrigin, Point controlSize) { | |
| 246 Rectangle area = scomp.getClientArea(); | |
| 247 Point scompOrigin = scomp.getOrigin(); | |
| 248 | |
| 249 int x = scompOrigin.x; | |
| 250 int y = scompOrigin.y; | |
| 251 | |
| 252 // horizontal right, but only if the control is smaller | |
| 253 // than the client area | |
| 254 if (controlSize.x < area.width | |
| 255 && (controlOrigin.x + controlSize.x > scompOrigin.x | |
| 256 + area.width)) { | |
| 257 x = controlOrigin.x + controlSize.x - area.width; | |
| 258 } | |
| 259 // horizontal left - make sure the left edge of | |
| 260 // the control is showing | |
| 261 if (controlOrigin.x < x) { | |
| 262 if (controlSize.x < area.width) | |
| 263 x = controlOrigin.x + controlSize.x - area.width; | |
| 264 else | |
| 265 x = controlOrigin.x; | |
| 266 } | |
| 267 // vertical bottom | |
| 268 if (controlSize.y < area.height | |
| 269 && (controlOrigin.y + controlSize.y > scompOrigin.y | |
| 270 + area.height)) { | |
| 271 y = controlOrigin.y + controlSize.y - area.height; | |
| 272 } | |
| 273 // vertical top - make sure the top of | |
| 274 // the control is showing | |
| 275 if (controlOrigin.y < y) { | |
| 276 if (controlSize.y < area.height) | |
| 277 y = controlOrigin.y + controlSize.y - area.height; | |
| 278 else | |
| 279 y = controlOrigin.y; | |
| 280 } | |
| 281 | |
| 282 if (scompOrigin.x !is x || scompOrigin.y !is y) { | |
| 283 // scroll to reveal | |
| 284 scomp.setOrigin(x, y); | |
| 285 } | |
| 286 } | |
| 287 | |
| 288 public static void ensureVisible(ScrolledComposite scomp, Control control, | |
| 289 MouseEvent e) { | |
| 290 Point controlOrigin = getControlLocation(scomp, control); | |
| 291 int rX = controlOrigin.x + e.x; | |
| 292 int rY = controlOrigin.y + e.y; | |
| 293 Rectangle area = scomp.getClientArea(); | |
| 294 Point scompOrigin = scomp.getOrigin(); | |
| 295 | |
| 296 int x = scompOrigin.x; | |
| 297 int y = scompOrigin.y; | |
| 298 // System.out.println("Ensure: area="+area+", origin="+scompOrigin+", | |
| 299 // cloc="+controlOrigin+", csize="+controlSize+", x="+x+", y="+y); | |
| 300 | |
| 301 // horizontal right | |
| 302 if (rX > scompOrigin.x + area.width) { | |
| 303 x = rX - area.width; | |
| 304 } | |
| 305 // horizontal left | |
| 306 else if (rX < x) { | |
| 307 x = rX; | |
| 308 } | |
| 309 // vertical bottom | |
| 310 if (rY > scompOrigin.y + area.height) { | |
| 311 y = rY - area.height; | |
| 312 } | |
| 313 // vertical top | |
| 314 else if (rY < y) { | |
| 315 y = rY; | |
| 316 } | |
| 317 | |
| 318 if (scompOrigin.x !is x || scompOrigin.y !is y) { | |
| 319 // scroll to reveal | |
| 320 scomp.setOrigin(x, y); | |
| 321 } | |
| 322 } | |
| 323 | |
| 324 public static Point getControlLocation(ScrolledComposite scomp, | |
| 325 Control control) { | |
| 326 int x = 0; | |
| 327 int y = 0; | |
| 328 Control content = scomp.getContent(); | |
| 329 Control currentControl = control; | |
| 330 for (;;) { | |
| 331 if (currentControl is content) | |
| 332 break; | |
| 333 Point location = currentControl.getLocation(); | |
| 334 // if (location.x > 0) | |
| 335 // x += location.x; | |
| 336 // if (location.y > 0) | |
| 337 // y += location.y; | |
| 338 x += location.x; | |
| 339 y += location.y; | |
| 340 currentControl = currentControl.getParent(); | |
| 341 } | |
| 342 return new Point(x, y); | |
| 343 } | |
| 344 | |
| 345 static void scrollVertical(ScrolledComposite scomp, bool up) { | |
| 346 scroll(scomp, 0, up ? -V_SCROLL_INCREMENT : V_SCROLL_INCREMENT); | |
| 347 } | |
| 348 | |
| 349 static void scrollHorizontal(ScrolledComposite scomp, bool left) { | |
| 350 scroll(scomp, left ? -H_SCROLL_INCREMENT : H_SCROLL_INCREMENT, 0); | |
| 351 } | |
| 352 | |
| 353 static void scrollPage(ScrolledComposite scomp, bool up) { | |
| 354 Rectangle clientArea = scomp.getClientArea(); | |
| 355 int increment = up ? -clientArea.height : clientArea.height; | |
| 356 scroll(scomp, 0, increment); | |
| 357 } | |
| 358 | |
| 359 static void scroll(ScrolledComposite scomp, int xoffset, int yoffset) { | |
| 360 Point origin = scomp.getOrigin(); | |
| 361 Point contentSize = scomp.getContent().getSize(); | |
| 362 int xorigin = origin.x + xoffset; | |
| 363 int yorigin = origin.y + yoffset; | |
| 364 xorigin = Math.max(xorigin, 0); | |
| 365 xorigin = Math.min(xorigin, contentSize.x - 1); | |
| 366 yorigin = Math.max(yorigin, 0); | |
| 367 yorigin = Math.min(yorigin, contentSize.y - 1); | |
| 368 scomp.setOrigin(xorigin, yorigin); | |
| 369 } | |
| 370 | |
| 371 public static void updatePageIncrement(ScrolledComposite scomp) { | |
| 372 ScrollBar vbar = scomp.getVerticalBar(); | |
| 373 if (vbar !is null) { | |
| 374 Rectangle clientArea = scomp.getClientArea(); | |
| 375 int increment = clientArea.height - 5; | |
| 376 vbar.setPageIncrement(increment); | |
| 377 } | |
| 378 ScrollBar hbar = scomp.getHorizontalBar(); | |
| 379 if (hbar !is null) { | |
| 380 Rectangle clientArea = scomp.getClientArea(); | |
| 381 int increment = clientArea.width - 5; | |
| 382 hbar.setPageIncrement(increment); | |
| 383 } | |
| 384 } | |
| 385 | |
| 386 public static void processKey(int keyCode, Control c) { | |
| 387 ScrolledComposite scomp = FormUtil.getScrolledComposite(c); | |
| 388 if (scomp !is null) { | |
| 389 if (null !is cast(Combo)c ) | |
| 390 return; | |
| 391 switch (keyCode) { | |
| 392 case DWT.ARROW_DOWN: | |
| 393 if (scomp.getData("novarrows") is null) //$NON-NLS-1$ | |
| 394 FormUtil.scrollVertical(scomp, false); | |
| 395 break; | |
| 396 case DWT.ARROW_UP: | |
| 397 if (scomp.getData("novarrows") is null) //$NON-NLS-1$ | |
| 398 FormUtil.scrollVertical(scomp, true); | |
| 399 break; | |
| 400 case DWT.ARROW_LEFT: | |
| 401 FormUtil.scrollHorizontal(scomp, true); | |
| 402 break; | |
| 403 case DWT.ARROW_RIGHT: | |
| 404 FormUtil.scrollHorizontal(scomp, false); | |
| 405 break; | |
| 406 case DWT.PAGE_UP: | |
| 407 FormUtil.scrollPage(scomp, true); | |
| 408 break; | |
| 409 case DWT.PAGE_DOWN: | |
| 410 FormUtil.scrollPage(scomp, false); | |
| 411 break; | |
| 78 | 412 default: |
| 75 | 413 } |
| 414 } | |
| 415 } | |
| 416 | |
| 417 public static bool isWrapControl(Control c) { | |
| 418 if ((c.getStyle() & DWT.WRAP) !is 0) | |
| 419 return true; | |
| 420 if (auto comp = cast(Composite)c ) { | |
| 421 return ( null !is cast(ILayoutExtension)( comp.getLayout() )); | |
| 422 } | |
| 423 return false; | |
| 424 } | |
| 425 | |
| 426 public static int getWidthHint(int wHint, Control c) { | |
| 427 bool wrap = isWrapControl(c); | |
| 428 return wrap ? wHint : DWT.DEFAULT; | |
| 429 } | |
| 430 | |
| 431 public static int getHeightHint(int hHint, Control c) { | |
| 432 if ( auto comp = cast(Composite)c ) { | |
| 433 Layout layout = comp.getLayout(); | |
| 434 if (null !is cast(ColumnLayout)layout ) | |
| 435 return hHint; | |
| 436 } | |
| 437 return DWT.DEFAULT; | |
| 438 } | |
| 439 | |
| 440 public static int computeMinimumWidth(Control c, bool changed) { | |
| 441 if ( auto comp = cast(Composite)c ) { | |
| 442 Layout layout = comp.getLayout(); | |
| 443 if ( auto le = cast(ILayoutExtension)layout ) | |
| 444 return le.computeMinimumWidth( | |
| 445 comp, changed); | |
| 446 } | |
| 447 return c.computeSize(FormUtil.getWidthHint(5, c), DWT.DEFAULT, changed).x; | |
| 448 } | |
| 449 | |
| 450 public static int computeMaximumWidth(Control c, bool changed) { | |
| 451 if ( auto comp = cast(Composite)c ) { | |
| 452 Layout layout = comp.getLayout(); | |
| 453 if ( auto le = cast(ILayoutExtension)layout ) | |
| 454 return le.computeMaximumWidth( | |
| 455 comp, changed); | |
| 456 } | |
| 457 return c.computeSize(DWT.DEFAULT, DWT.DEFAULT, changed).x; | |
| 458 } | |
| 459 | |
| 460 public static Form getForm(Control c) { | |
| 461 Composite parent = c.getParent(); | |
| 462 while (parent !is null) { | |
| 463 if ( auto frm = cast(Form)parent ) { | |
| 464 return frm; | |
| 465 } | |
| 466 parent = parent.getParent(); | |
| 467 } | |
| 468 return null; | |
| 469 } | |
| 470 | |
| 471 public static Image createAlphaMashImage(Device device, Image srcImage) { | |
| 472 Rectangle bounds = srcImage.getBounds(); | |
| 473 int alpha = 0; | |
| 474 int calpha = 0; | |
| 475 ImageData data = srcImage.getImageData(); | |
| 476 // Create a new image with alpha values alternating | |
| 477 // between fully transparent (0) and fully opaque (255). | |
| 478 // This image will show the background through the | |
| 479 // transparent pixels. | |
| 480 for (int i = 0; i < bounds.height; i++) { | |
| 481 // scan line | |
| 482 alpha = calpha; | |
| 483 for (int j = 0; j < bounds.width; j++) { | |
| 484 // column | |
| 485 data.setAlpha(j, i, alpha); | |
| 486 alpha = alpha is 255 ? 0 : 255; | |
| 487 } | |
| 488 calpha = calpha is 255 ? 0 : 255; | |
| 489 } | |
| 490 return new Image(device, data); | |
| 491 } | |
| 492 | |
|
77
26c6c9dfd13c
ui.forms compile, just FormTextModel with xml reimpl left todo
Frank Benoit <benoit@tionex.de>
parents:
75
diff
changeset
|
493 public static bool mnemonicMatch(String text, dchar key) { |
| 75 | 494 char mnemonic = findMnemonic(text); |
| 495 if (mnemonic is '\0') | |
| 496 return false; | |
|
77
26c6c9dfd13c
ui.forms compile, just FormTextModel with xml reimpl left todo
Frank Benoit <benoit@tionex.de>
parents:
75
diff
changeset
|
497 return CharacterToUpper(key) is CharacterToUpper(mnemonic); |
| 75 | 498 } |
| 499 | |
| 500 private static char findMnemonic(String string) { | |
| 501 int index = 0; | |
|
77
26c6c9dfd13c
ui.forms compile, just FormTextModel with xml reimpl left todo
Frank Benoit <benoit@tionex.de>
parents:
75
diff
changeset
|
502 int length = string.length; |
| 75 | 503 do { |
| 504 while (index < length && string.charAt(index) !is '&') | |
| 505 index++; | |
| 506 if (++index >= length) | |
| 507 return '\0'; | |
| 508 if (string.charAt(index) !is '&') | |
| 509 return string.charAt(index); | |
| 510 index++; | |
| 511 } while (index < length); | |
| 512 return '\0'; | |
| 513 } | |
| 514 | |
| 515 public static void setFocusScrollingEnabled(Control c, bool enabled) { | |
| 516 ScrolledComposite scomp = null; | |
| 517 | |
| 518 if ( auto sc = cast(ScrolledComposite)c ) | |
| 519 scomp = sc; | |
| 520 else | |
| 521 scomp = getScrolledComposite(c); | |
| 522 if (scomp !is null) | |
| 523 scomp.setData(FormUtil.FOCUS_SCROLLING, enabled ? null : Boolean.FALSE); | |
| 524 } | |
| 525 | |
| 526 public static void setAntialias(GC gc, int style) { | |
| 527 if (!gc.getAdvanced()) { | |
| 528 gc.setAdvanced(true); | |
| 529 if (!gc.getAdvanced()) | |
| 530 return; | |
| 531 } | |
| 532 gc.setAntialias(style); | |
| 533 } | |
| 534 } |