Mercurial > projects > dwt-addons
annotate dwtx/jface/viewers/ColorCellEditor.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 | ea8ff534f622 |
| children |
| rev | line source |
|---|---|
| 10 | 1 /******************************************************************************* |
| 90 | 2 * Copyright (c) 2000, 2008 IBM Corporation and others. |
| 10 | 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 * Port to the D programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 module dwtx.jface.viewers.ColorCellEditor; | |
| 14 | |
| 15 import dwtx.jface.viewers.DialogCellEditor; | |
| 16 | |
| 17 import dwt.DWT; | |
| 18 import dwt.custom.TableTree; | |
| 19 import dwt.graphics.Color; | |
| 20 import dwt.graphics.FontMetrics; | |
| 21 import dwt.graphics.GC; | |
| 22 import dwt.graphics.Image; | |
| 23 import dwt.graphics.ImageData; | |
| 24 import dwt.graphics.PaletteData; | |
| 25 import dwt.graphics.Point; | |
| 26 import dwt.graphics.RGB; | |
| 27 import dwt.graphics.Rectangle; | |
| 28 import dwt.widgets.ColorDialog; | |
| 29 import dwt.widgets.Composite; | |
| 30 import dwt.widgets.Control; | |
| 31 import dwt.widgets.Label; | |
| 32 import dwt.widgets.Layout; | |
| 33 import dwt.widgets.Table; | |
| 34 import dwt.widgets.Tree; | |
| 35 | |
| 36 import dwt.dwthelper.utils; | |
| 37 import tango.text.convert.Format; | |
| 38 | |
| 39 /** | |
| 40 * A cell editor that manages a color field. | |
| 41 * The cell editor's value is the color (an DWT <code>RBG</code>). | |
| 42 * <p> | |
| 43 * This class may be instantiated; it is not intended to be subclassed. | |
| 44 * </p> | |
| 90 | 45 * @noextend This class is not intended to be subclassed by clients. |
| 10 | 46 */ |
| 47 public class ColorCellEditor : DialogCellEditor { | |
| 48 | |
| 49 /** | |
| 50 * The default extent in pixels. | |
| 51 */ | |
| 52 private static const int DEFAULT_EXTENT = 16; | |
| 53 | |
| 54 /** | |
| 55 * Gap between between image and text in pixels. | |
| 56 */ | |
| 57 private static const int GAP = 6; | |
| 58 | |
| 59 /** | |
| 60 * The composite widget containing the color and RGB label widgets | |
| 61 */ | |
| 62 private Composite composite; | |
| 63 | |
| 64 /** | |
| 65 * The label widget showing the current color. | |
| 66 */ | |
| 67 private Label colorLabel; | |
| 68 | |
| 69 /** | |
| 70 * The label widget showing the RGB values. | |
| 71 */ | |
| 72 private Label rgbLabel; | |
| 73 | |
| 74 /** | |
| 75 * The image. | |
| 76 */ | |
| 77 private Image image; | |
| 78 | |
| 79 /** | |
| 80 * Internal class for laying out this cell editor. | |
| 81 */ | |
| 82 private class ColorCellLayout : Layout { | |
|
43
ea8ff534f622
Fix override and super aliases
Frank Benoit <benoit@tionex.de>
parents:
10
diff
changeset
|
83 public override Point computeSize(Composite editor, int wHint, int hHint, |
| 10 | 84 bool force) { |
| 85 if (wHint !is DWT.DEFAULT && hHint !is DWT.DEFAULT) { | |
| 86 return new Point(wHint, hHint); | |
| 87 } | |
| 88 Point colorSize = colorLabel.computeSize(DWT.DEFAULT, DWT.DEFAULT, | |
| 89 force); | |
| 90 Point rgbSize = rgbLabel.computeSize(DWT.DEFAULT, DWT.DEFAULT, | |
| 91 force); | |
| 92 return new Point(colorSize.x + GAP + rgbSize.x, Math.max( | |
| 93 colorSize.y, rgbSize.y)); | |
| 94 } | |
| 95 | |
|
43
ea8ff534f622
Fix override and super aliases
Frank Benoit <benoit@tionex.de>
parents:
10
diff
changeset
|
96 public override void layout(Composite editor, bool force) { |
| 10 | 97 Rectangle bounds = editor.getClientArea(); |
| 98 Point colorSize = colorLabel.computeSize(DWT.DEFAULT, DWT.DEFAULT, | |
| 99 force); | |
| 100 Point rgbSize = rgbLabel.computeSize(DWT.DEFAULT, DWT.DEFAULT, | |
| 101 force); | |
| 102 int ty = (bounds.height - rgbSize.y) / 2; | |
| 103 if (ty < 0) { | |
| 104 ty = 0; | |
| 105 } | |
| 106 colorLabel.setBounds(-1, 0, colorSize.x, colorSize.y); | |
| 107 rgbLabel.setBounds(colorSize.x + GAP - 1, ty, bounds.width | |
| 108 - colorSize.x - GAP, bounds.height); | |
| 109 } | |
| 110 } | |
| 111 | |
| 112 /** | |
| 113 * Creates a new color cell editor parented under the given control. | |
| 114 * The cell editor value is black (<code>RGB(0,0,0)</code>) initially, and has no | |
| 115 * validator. | |
| 116 * | |
| 117 * @param parent the parent control | |
| 118 */ | |
| 119 public this(Composite parent) { | |
| 120 this(parent, DWT.NONE); | |
| 121 } | |
| 122 | |
| 123 /** | |
| 124 * Creates a new color cell editor parented under the given control. | |
| 125 * The cell editor value is black (<code>RGB(0,0,0)</code>) initially, and has no | |
| 126 * validator. | |
| 127 * | |
| 128 * @param parent the parent control | |
| 129 * @param style the style bits | |
| 130 * @since 2.1 | |
| 131 */ | |
| 132 public this(Composite parent, int style) { | |
| 133 super(parent, style); | |
| 134 doSetValue(new RGB(0, 0, 0)); | |
| 135 } | |
| 136 | |
| 137 /** | |
| 138 * Creates and returns the color image data for the given control | |
| 139 * and RGB value. The image's size is either the control's item extent | |
| 140 * or the cell editor's default extent, which is 16 pixels square. | |
| 141 * | |
| 142 * @param w the control | |
| 143 * @param color the color | |
| 144 */ | |
| 145 private ImageData createColorImage(Control w, RGB color) { | |
| 146 | |
| 147 GC gc = new GC(w); | |
| 148 FontMetrics fm = gc.getFontMetrics(); | |
| 149 int size = fm.getAscent(); | |
| 150 gc.dispose(); | |
| 151 | |
| 152 int indent = 6; | |
| 153 int extent = DEFAULT_EXTENT; | |
| 154 if ( auto i = cast(Table)w ) { | |
| 155 extent = i.getItemHeight() - 1; | |
| 156 } else if ( auto i = cast(Tree)w ) { | |
| 157 extent = i.getItemHeight() - 1; | |
| 158 } else if ( auto i = cast(TableTree)w ) { | |
| 159 extent = i.getItemHeight() - 1; | |
| 160 } | |
| 161 | |
| 162 if (size > extent) { | |
| 163 size = extent; | |
| 164 } | |
| 165 | |
| 166 int width = indent + size; | |
| 167 int height = extent; | |
| 168 | |
| 169 int xoffset = indent; | |
| 170 int yoffset = (height - size) / 2; | |
| 171 | |
| 172 RGB black = new RGB(0, 0, 0); | |
| 173 PaletteData dataPalette = new PaletteData([ black, black, | |
| 174 color ]); | |
| 175 ImageData data = new ImageData(width, height, 4, dataPalette); | |
| 176 data.transparentPixel = 0; | |
| 177 | |
| 178 int end = size - 1; | |
| 179 for (int y = 0; y < size; y++) { | |
| 180 for (int x = 0; x < size; x++) { | |
| 181 if (x is 0 || y is 0 || x is end || y is end) { | |
| 182 data.setPixel(x + xoffset, y + yoffset, 1); | |
| 183 } else { | |
| 184 data.setPixel(x + xoffset, y + yoffset, 2); | |
| 185 } | |
| 186 } | |
| 187 } | |
| 188 | |
| 189 return data; | |
| 190 } | |
| 191 | |
| 192 /* (non-Javadoc) | |
| 193 * Method declared on DialogCellEditor. | |
| 194 */ | |
|
43
ea8ff534f622
Fix override and super aliases
Frank Benoit <benoit@tionex.de>
parents:
10
diff
changeset
|
195 protected override Control createContents(Composite cell) { |
| 10 | 196 Color bg = cell.getBackground(); |
| 197 composite = new Composite(cell, getStyle()); | |
| 198 composite.setBackground(bg); | |
| 199 composite.setLayout(new ColorCellLayout()); | |
| 200 colorLabel = new Label(composite, DWT.LEFT); | |
| 201 colorLabel.setBackground(bg); | |
| 202 rgbLabel = new Label(composite, DWT.LEFT); | |
| 203 rgbLabel.setBackground(bg); | |
| 204 rgbLabel.setFont(cell.getFont()); | |
| 205 return composite; | |
| 206 } | |
| 207 | |
| 208 /* (non-Javadoc) | |
| 209 * Method declared on CellEditor. | |
| 210 */ | |
|
43
ea8ff534f622
Fix override and super aliases
Frank Benoit <benoit@tionex.de>
parents:
10
diff
changeset
|
211 public override void dispose() { |
| 10 | 212 if (image !is null) { |
| 213 image.dispose(); | |
| 214 image = null; | |
| 215 } | |
| 216 super.dispose(); | |
| 217 } | |
| 218 | |
| 219 /* (non-Javadoc) | |
| 220 * Method declared on DialogCellEditor. | |
| 221 */ | |
|
43
ea8ff534f622
Fix override and super aliases
Frank Benoit <benoit@tionex.de>
parents:
10
diff
changeset
|
222 protected override Object openDialogBox(Control cellEditorWindow) { |
| 10 | 223 ColorDialog dialog = new ColorDialog(cellEditorWindow.getShell()); |
| 224 Object value = getValue(); | |
| 225 if (value !is null) { | |
| 226 dialog.setRGB(cast(RGB) value); | |
| 227 } | |
| 228 value = dialog.open(); | |
| 229 return dialog.getRGB(); | |
| 230 } | |
| 231 | |
| 232 /* (non-Javadoc) | |
| 233 * Method declared on DialogCellEditor. | |
| 234 */ | |
|
43
ea8ff534f622
Fix override and super aliases
Frank Benoit <benoit@tionex.de>
parents:
10
diff
changeset
|
235 protected override void updateContents(Object value) { |
| 10 | 236 RGB rgb = cast(RGB) value; |
| 237 // XXX: We don't have a value the first time this method is called". | |
| 238 if (rgb is null) { | |
| 239 rgb = new RGB(0, 0, 0); | |
| 240 } | |
| 241 // XXX: Workaround for 1FMQ0P3: DWT:ALL - TableItem.setImage doesn't work if using the identical image." | |
| 242 if (image !is null) { | |
| 243 image.dispose(); | |
| 244 } | |
| 245 | |
| 246 ImageData id = createColorImage(colorLabel.getParent().getParent(), rgb); | |
| 247 ImageData mask = id.getTransparencyMask(); | |
| 248 image = new Image(colorLabel.getDisplay(), id, mask); | |
| 249 colorLabel.setImage(image); | |
| 250 | |
| 251 rgbLabel | |
| 252 .setText( Format( "({},{},{})", rgb.red, rgb.green, rgb.blue));//$NON-NLS-4$//$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$ | |
| 253 } | |
| 254 } |