Mercurial > projects > dwt-linux
annotate dwt/widgets/ToolTip.d @ 255:5a30aa9820f3
removed tango.stdc.stringz imports and allow null for arrays and string arguments.
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 15 Jun 2008 22:32:20 +0200 |
| parents | ce446666f5a2 |
| children | c0d810de7093 |
| rev | line source |
|---|---|
| 72 | 1 /******************************************************************************* |
| 47 | 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 | |
| 72 | 10 * Port to the D programming language: |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 47 | 12 *******************************************************************************/ |
| 13 module dwt.widgets.ToolTip; | |
| 14 | |
| 238 | 15 import dwt.dwthelper.utils; |
| 16 | |
| 47 | 17 import dwt.widgets.Widget; |
| 18 import dwt.widgets.TrayItem; | |
| 19 import dwt.widgets.Shell; | |
| 71 | 20 import dwt.DWT; |
| 47 | 21 //import dwt.internal.*; |
| 22 import dwt.internal.gtk.OS; | |
| 23 import dwt.graphics.Point; | |
| 24 import dwt.graphics.Color; | |
| 25 import dwt.events.SelectionListener; | |
| 26 import dwt.events.SelectionEvent; | |
| 27 import dwt.widgets.TypedListener; | |
| 28 import dwt.widgets.Event; | |
| 29 import dwt.widgets.Display; | |
| 30 | |
| 31 /** | |
| 32 * Instances of this class represent popup windows that are used | |
| 33 * to inform or warn the user. | |
| 34 * <p> | |
| 35 * <dl> | |
| 36 * <dt><b>Styles:</b></dt> | |
| 37 * <dd>BALLOON, ICON_ERROR, ICON_INFORMATION, ICON_WARNING</dd> | |
| 38 * <dt><b>Events:</b></dt> | |
| 39 * <dd>Selection</dd> | |
| 40 * </dl> | |
| 41 * </p><p> | |
| 42 * Note: Only one of the styles ICON_ERROR, ICON_INFORMATION, | |
| 43 * and ICON_WARNING may be specified. | |
| 44 * </p><p> | |
| 45 * IMPORTANT: This class is intended to be subclassed <em>only</em> | |
| 71 | 46 * within the DWT implementation. |
| 47 | 47 * </p> |
| 48 * | |
| 49 * @since 3.2 | |
| 50 */ | |
| 51 public class ToolTip : Widget { | |
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52 Shell parent; |
| 238 | 53 String text, message; |
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54 TrayItem item; |
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55 int x, y, timerId; |
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56 void* layoutText, layoutMessage; |
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57 int [] borderPolygon; |
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58 bool spikeAbove, autohide; |
| 47 | 59 CallbackData timerProcCallbackData; |
| 60 | |
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61 static final int BORDER = 5; |
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62 static final int PADDING = 5; |
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63 static final int INSET = 4; |
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64 static final int TIP_HEIGHT = 20; |
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65 static final int IMAGE_SIZE = 16; |
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66 static final int DELAY = 8000; |
| 47 | 67 |
| 68 /** | |
| 69 * Constructs a new instance of this class given its parent | |
| 70 * and a style value describing its behavior and appearance. | |
| 71 * <p> | |
| 72 * The style value is either one of the style constants defined in | |
| 71 | 73 * class <code>DWT</code> which is applicable to instances of this |
| 47 | 74 * class, or must be built by <em>bitwise OR</em>'ing together |
| 75 * (that is, using the <code>int</code> "|" operator) two or more | |
| 71 | 76 * of those <code>DWT</code> style constants. The class description |
| 47 | 77 * lists the style constants that are applicable to the class. |
| 78 * Style bits are also inherited from superclasses. | |
| 79 * </p> | |
| 80 * | |
| 81 * @param parent a composite control which will be the parent of the new instance (cannot be null) | |
| 82 * @param style the style of control to construct | |
| 83 * | |
| 84 * @exception IllegalArgumentException <ul> | |
| 85 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 86 * </ul> | |
| 71 | 87 * @exception DWTException <ul> |
| 47 | 88 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
| 89 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 90 * </ul> | |
| 91 * | |
| 71 | 92 * @see DWT#ICON_ERROR |
| 93 * @see DWT#ICON_INFORMATION | |
| 94 * @see DWT#ICON_WARNING | |
| 47 | 95 * @see Widget#checkSubclass |
| 96 * @see Widget#getStyle | |
| 97 */ | |
| 98 public this (Shell parent, int style) { | |
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99 super (parent, checkStyle (style)); |
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100 this.parent = parent; |
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101 createWidget (0); |
| 47 | 102 } |
| 103 | |
| 104 static int checkStyle (int style) { | |
| 71 | 105 int mask = DWT.ICON_ERROR | DWT.ICON_INFORMATION | DWT.ICON_WARNING; |
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106 if ((style & mask) is 0) return style; |
| 71 | 107 return checkBits (style, DWT.ICON_INFORMATION, DWT.ICON_WARNING, DWT.ICON_ERROR, 0, 0, 0); |
| 47 | 108 } |
| 109 | |
| 110 /** | |
| 111 * Adds the listener to the collection of listeners who will | |
| 112 * be notified when the receiver is selected by the user, by sending | |
| 113 * it one of the messages defined in the <code>SelectionListener</code> | |
| 114 * interface. | |
| 115 * <p> | |
| 116 * <code>widgetSelected</code> is called when the receiver is selected. | |
| 117 * <code>widgetDefaultSelected</code> is not called. | |
| 118 * </p> | |
| 119 * | |
| 120 * @param listener the listener which should be notified when the receiver is selected by the user | |
| 121 * | |
| 122 * @exception IllegalArgumentException <ul> | |
| 123 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 124 * </ul> | |
| 71 | 125 * @exception DWTException <ul> |
| 47 | 126 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 127 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 128 * </ul> | |
| 129 * | |
| 130 * @see SelectionListener | |
| 131 * @see #removeSelectionListener | |
| 132 * @see SelectionEvent | |
| 133 */ | |
| 134 public void addSelectionListener (SelectionListener listener) { | |
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135 checkWidget (); |
| 71 | 136 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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137 TypedListener typedListener = new TypedListener (listener); |
| 71 | 138 addListener (DWT.Selection,typedListener); |
| 139 addListener (DWT.DefaultSelection,typedListener); | |
| 47 | 140 } |
| 141 | |
| 142 void configure () { | |
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143 auto screen = OS.gdk_screen_get_default (); |
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144 OS.gtk_widget_realize (handle); |
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145 int monitorNumber = OS.gdk_screen_get_monitor_at_window (screen, OS.GTK_WIDGET_WINDOW (handle)); |
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146 GdkRectangle* dest = new GdkRectangle (); |
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147 OS.gdk_screen_get_monitor_geometry (screen, monitorNumber, dest); |
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148 Point point = getSize (dest.width / 4); |
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149 int w = point.x; |
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150 int h = point.y; |
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151 point = getLocation (); |
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152 int x = point.x; |
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153 int y = point.y; |
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154 OS.gtk_window_resize (cast(GtkWindow*)handle, w, h + TIP_HEIGHT); |
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155 int[] polyline; |
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156 spikeAbove = dest.height >= y + h + TIP_HEIGHT; |
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157 if (dest.width >= x + w) { |
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158 if (dest.height >= y + h + TIP_HEIGHT) { |
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159 int t = TIP_HEIGHT; |
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160 polyline = [ |
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161 0, 5+t, 1, 5+t, 1, 3+t, 3, 1+t, 5, 1+t, 5, t, |
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162 16, t, 16, 0, 35, t, |
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163 w-5, t, w-5, 1+t, w-3, 1+t, w-1, 3+t, w-1, 5+t, w, 5+t, |
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164 w, h-5+t, w-1, h-5+t, w-1, h-3+t, w-2, h-3+t, w-2, h-2+t, w-3, h-2+t, w-3, h-1+t, w-5, h-1+t, w-5, h+t, |
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165 5, h+t, 5, h-1+t, 3, h-1+t, 3, h-2+t, 2, h-2+t, 2, h-3+t, 1, h-3+t, 1, h-5+t, 0, h-5+t, |
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166 0, 5+t]; |
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167 borderPolygon = [ |
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168 0, 5+t, 1, 4+t, 1, 3+t, 3, 1+t, 4, 1+t, 5, t, |
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169 16, t, 16, 1, 35, t, |
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170 w-6, 0+t, w-5, 1+t, w-4, 1+t, w-2, 3+t, w-2, 4+t, w-1, 5+t, |
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171 w-1, h-6+t, w-2, h-5+t, w-2, h-4+t, w-4, h-2+t, w-5, h-2+t, w-6, h-1+t, |
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172 5, h-1+t, 4, h-2+t, 3, h-2+t, 1, h-4+t, 1, h-5+t, 0, h-6+t, |
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173 0, 5+t]; |
| 240 | 174 if ((parent.style & DWT.MIRRORED) !is 0) { |
| 175 x -= w - 36; | |
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176 polyline[12] = w-36; |
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177 polyline[14] = w-16; |
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178 polyline[16] = w-15; |
| 240 | 179 borderPolygon[12] = w-35; |
| 180 borderPolygon[14] = borderPolygon[16] = w-16; | |
| 181 } | |
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182 OS.gtk_window_move (cast(GtkWindow*)handle, Math.max(0, x - 17), y); |
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183 } else { |
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184 polyline = [ |
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185 0, 5, 1, 5, 1, 3, 3, 1, 5, 1, 5, 0, |
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186 w-5, 0, w-5, 1, w-3, 1, w-1, 3, w-1, 5, w, 5, |
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187 w, h-5, w-1, h-5, w-1, h-3, w-2, h-3, w-2, h-2, w-3, h-2, w-3, h-1, w-5, h-1, w-5, h, |
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188 35, h, 16, h+TIP_HEIGHT, 16, h, |
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189 5, h, 5, h-1, 3, h-1, 3, h-2, 2, h-2, 2, h-3, 1, h-3, 1, h-5, 0, h-5, |
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190 0, 5]; |
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191 borderPolygon = [ |
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192 0, 5, 1, 4, 1, 3, 3, 1, 4, 1, 5, 0, |
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193 w-6, 0, w-5, 1, w-4, 1, w-2, 3, w-2, 4, w-1, 5, |
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194 w-1, h-6, w-2, h-5, w-2, h-4, w-4, h-2, w-5, h-2, w-6, h-1, |
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195 35, h-1, 17, h+TIP_HEIGHT-2, 17, h-1, |
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196 5, h-1, 4, h-2, 3, h-2, 1, h-4, 1, h-5, 0, h-6, |
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197 0, 5]; |
| 240 | 198 if ((parent.style & DWT.MIRRORED) !is 0) { |
| 199 x -= w - 36; | |
| 200 polyline [42] = polyline [44] = w-16; | |
| 201 polyline [46] = w-35; | |
| 202 borderPolygon[36] = borderPolygon[38] = w-17; | |
| 203 borderPolygon [40] = w-35; | |
| 204 } | |
|
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205 OS.gtk_window_move (cast(GtkWindow*)handle, Math.max(0, x - 17), y - h - TIP_HEIGHT); |
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206 } |
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207 } else { |
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208 if (dest.height >= y + h + TIP_HEIGHT) { |
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209 int t = TIP_HEIGHT; |
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210 polyline = [ |
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211 0, 5+t, 1, 5+t, 1, 3+t, 3, 1+t, 5, 1+t, 5, t, |
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212 w-35, t, w-16, 0, w-16, t, |
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213 w-5, t, w-5, 1+t, w-3, 1+t, w-1, 3+t, w-1, 5+t, w, 5+t, |
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214 w, h-5+t, w-1, h-5+t, w-1, h-3+t, w-2, h-3+t, w-2, h-2+t, w-3, h-2+t, w-3, h-1+t, w-5, h-1+t, w-5, h+t, |
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215 5, h+t, 5, h-1+t, 3, h-1+t, 3, h-2+t, 2, h-2+t, 2, h-3+t, 1, h-3+t, 1, h-5+t, 0, h-5+t, |
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216 0, 5+t]; |
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217 borderPolygon = [ |
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218 0, 5+t, 1, 4+t, 1, 3+t, 3, 1+t, 4, 1+t, 5, t, |
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219 w-35, t, w-17, 2, w-17, t, |
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220 w-6, t, w-5, 1+t, w-4, 1+t, w-2, 3+t, w-2, 4+t, w-1, 5+t, |
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221 w-1, h-6+t, w-2, h-5+t, w-2, h-4+t, w-4, h-2+t, w-5, h-2+t, w-6, h-1+t, |
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222 5, h-1+t, 4, h-2+t, 3, h-2+t, 1, h-4+t, 1, h-5+t, 0, h-6+t, |
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223 0, 5+t]; |
| 240 | 224 if ((parent.style & DWT.MIRRORED) !is 0) { |
| 225 x += w - 35; | |
| 226 polyline [12] = polyline [14] = 16; | |
| 227 polyline [16] = 35; | |
| 228 borderPolygon[12] = borderPolygon[14] = 16; | |
| 229 borderPolygon [16] = 35; | |
| 230 } | |
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231 OS.gtk_window_move (cast(GtkWindow*)handle, Math.min(dest.width - w, x - w + 17), y); |
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232 } else { |
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233 polyline = [ |
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234 0, 5, 1, 5, 1, 3, 3, 1, 5, 1, 5, 0, |
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235 w-5, 0, w-5, 1, w-3, 1, w-1, 3, w-1, 5, w, 5, |
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236 w, h-5, w-1, h-5, w-1, h-3, w-2, h-3, w-2, h-2, w-3, h-2, w-3, h-1, w-5, h-1, w-5, h, |
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237 w-16, h, w-16, h+TIP_HEIGHT, w-35, h, |
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238 5, h, 5, h-1, 3, h-1, 3, h-2, 2, h-2, 2, h-3, 1, h-3, 1, h-5, 0, h-5, |
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239 0, 5]; |
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240 borderPolygon = [ |
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241 0, 5, 1, 4, 1, 3, 3, 1, 4, 1, 5, 0, |
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242 w-6, 0, w-5, 1, w-4, 1, w-2, 3, w-2, 4, w-1, 5, |
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243 w-1, h-6, w-2, h-5, w-2, h-4, w-4, h-2, w-5, h-2, w-6, h-1, |
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244 w-17, h-1, w-17, h+TIP_HEIGHT-2, w-36, h-1, |
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245 5, h-1, 4, h-2, 3, h-2, 1, h-4, 1, h-5, 0, h-6, |
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246 0, 5]; |
| 240 | 247 if ((parent.style & DWT.MIRRORED) !is 0) { |
| 248 x += w - 35; | |
| 249 polyline [42] = 35; | |
| 250 polyline [44] = polyline [46] = 16; | |
| 251 borderPolygon[36] = 35; | |
| 252 borderPolygon[38] = borderPolygon [40] = 17; | |
| 253 } | |
|
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254 OS.gtk_window_move (cast(GtkWindow*)handle, Math.min(dest.width - w, x - w + 17), y - h - TIP_HEIGHT); |
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255 } |
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256 } |
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257 auto rgn = OS.gdk_region_polygon ( cast(GdkPoint*)polyline.ptr, polyline.length / 2, OS.GDK_EVEN_ODD_RULE); |
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258 OS.gtk_widget_realize (handle); |
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259 auto window = OS.GTK_WIDGET_WINDOW (handle); |
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260 OS.gdk_window_shape_combine_region (window, rgn, 0, 0); |
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261 OS.gdk_region_destroy (rgn); |
| 47 | 262 } |
| 263 | |
|
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264 override void createHandle (int index) { |
|
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265 state |= HANDLE; |
| 71 | 266 if ((style & DWT.BALLOON) !is 0) { |
|
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267 handle = OS.gtk_window_new (OS.GTK_WINDOW_POPUP); |
| 71 | 268 Color background = display.getSystemColor (DWT.COLOR_INFO_BACKGROUND); |
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269 OS.gtk_widget_modify_bg (handle, OS.GTK_STATE_NORMAL, background.handle); |
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270 OS.gtk_widget_set_app_paintable (handle, true); |
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271 } else { |
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272 handle = cast(GtkWidget*)OS.gtk_tooltips_new (); |
| 71 | 273 if (handle is null) DWT.error (DWT.ERROR_NO_HANDLES); |
|
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274 /* |
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275 * Bug in Solaris-GTK. Invoking gtk_tooltips_force_window() |
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276 * can cause a crash in older versions of GTK. The fix is |
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277 * to avoid this call if the GTK version is older than 2.2.x. |
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278 */ |
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279 if (OS.GTK_VERSION >= OS.buildVERSION (2, 2, 1)) { |
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280 OS.gtk_tooltips_force_window (cast(GtkTooltips*)handle); |
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281 } |
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282 OS.g_object_ref (handle); |
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283 OS.gtk_object_sink (cast(GtkObject*)handle); |
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284 } |
| 47 | 285 } |
| 286 | |
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287 override void createWidget (int index) { |
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288 super.createWidget (index); |
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289 text = ""; |
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290 message = ""; |
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291 x = y = -1; |
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292 autohide = true; |
| 47 | 293 } |
| 294 | |
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295 override void deregister () { |
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296 super.deregister (); |
| 71 | 297 if ((style & DWT.BALLOON) is 0) { |
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298 auto tipWindow = OS.GTK_TOOLTIPS_TIP_WINDOW (cast(GtkTooltips*)handle); |
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299 if (tipWindow !is null) display.removeWidget (tipWindow); |
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300 } |
| 47 | 301 } |
| 302 | |
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303 override void destroyWidget () { |
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304 auto topHandle = topHandle (); |
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305 releaseHandle (); |
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306 if (topHandle !is null && (state & HANDLE) !is 0) { |
| 71 | 307 if ((style & DWT.BALLOON) !is 0) { |
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308 OS.gtk_widget_destroy (topHandle); |
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309 } else { |
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310 OS.g_object_unref (topHandle); |
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311 } |
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312 } |
| 47 | 313 } |
| 314 | |
| 315 /** | |
| 316 * Returns <code>true</code> if the receiver is automatically | |
| 317 * hidden by the platform, and <code>false</code> otherwise. | |
| 318 * | |
| 319 * @return the receiver's auto hide state | |
| 320 * | |
| 71 | 321 * @exception DWTException <ul> |
| 47 | 322 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 323 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 324 * </ul> | |
| 325 * | |
| 326 */ | |
| 327 public bool getAutoHide () { | |
|
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328 checkWidget (); |
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329 return autohide; |
| 47 | 330 } |
| 331 | |
| 332 Point getLocation () { | |
|
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333 int x = this.x; |
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334 int y = this.y; |
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335 if (item !is null) { |
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336 auto itemHandle = item.handle; |
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337 OS.gtk_widget_realize (itemHandle); |
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338 auto window = OS.GTK_WIDGET_WINDOW (itemHandle); |
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339 int px, py; |
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340 OS.gdk_window_get_origin (cast(GdkWindow*)window, &px, &py); |
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341 x = px + OS.GTK_WIDGET_WIDTH (itemHandle) / 2; |
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342 y = py + OS.GTK_WIDGET_HEIGHT (itemHandle) / 2; |
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343 } |
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344 if (x is -1 || y is -1) { |
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345 int px, py; |
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346 OS.gdk_window_get_pointer (null, &px, &py, null); |
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347 x = px; |
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348 y = py; |
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349 } |
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350 return new Point(x, y); |
| 47 | 351 } |
| 352 | |
| 353 /** | |
| 354 * Returns the receiver's message, which will be an empty | |
| 355 * string if it has never been set. | |
| 356 * | |
| 357 * @return the receiver's message | |
| 358 * | |
| 71 | 359 * @exception DWTException <ul> |
| 47 | 360 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 361 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 362 * </ul> | |
| 363 */ | |
| 238 | 364 public String getMessage () { |
|
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365 checkWidget (); |
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366 return message; |
| 47 | 367 } |
| 368 | |
| 238 | 369 override String getNameText () { |
|
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370 return getText (); |
| 47 | 371 } |
| 372 | |
| 373 /** | |
| 374 * Returns the receiver's parent, which must be a <code>Shell</code>. | |
| 375 * | |
| 376 * @return the receiver's parent | |
| 377 * | |
| 71 | 378 * @exception DWTException <ul> |
| 47 | 379 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 380 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 381 * </ul> | |
| 382 */ | |
| 383 public Shell getParent () { | |
|
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384 checkWidget (); |
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385 return parent; |
| 47 | 386 } |
| 387 | |
| 388 Point getSize (int maxWidth) { | |
|
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389 int textWidth = 0, messageWidth = 0; |
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390 int w, h; |
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391 if (layoutText !is null) { |
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392 OS.pango_layout_set_width (layoutText, -1); |
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393 OS.pango_layout_get_size (layoutText, &w, &h); |
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394 textWidth = OS.PANGO_PIXELS (w ); |
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395 } |
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396 if (layoutMessage !is null) { |
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397 OS.pango_layout_set_width (layoutMessage, -1); |
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398 OS.pango_layout_get_size (layoutMessage, &w, &h); |
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399 messageWidth = OS.PANGO_PIXELS (w ); |
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400 } |
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401 int messageTrim = 2 * INSET + 2 * BORDER + 2 * PADDING; |
| 71 | 402 bool hasImage = layoutText !is null && (style & (DWT.ICON_ERROR | DWT.ICON_INFORMATION | DWT.ICON_WARNING)) !is 0; |
|
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403 int textTrim = messageTrim + (hasImage ? IMAGE_SIZE : 0); |
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404 int width = Math.min (maxWidth, Math.max (textWidth + textTrim, messageWidth + messageTrim)); |
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405 int textHeight = 0, messageHeight = 0; |
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406 if (layoutText !is null) { |
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407 OS.pango_layout_set_width (layoutText, (maxWidth - textTrim) * OS.PANGO_SCALE); |
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408 OS.pango_layout_get_size (layoutText, &w, &h); |
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409 textHeight = OS.PANGO_PIXELS (h ); |
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410 } |
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411 if (layoutMessage !is null) { |
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412 OS.pango_layout_set_width (layoutMessage, (maxWidth - messageTrim) * OS.PANGO_SCALE); |
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413 OS.pango_layout_get_size (layoutMessage, &w, &h); |
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414 messageHeight = OS.PANGO_PIXELS (h); |
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415 } |
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416 int height = 2 * BORDER + 2 * PADDING + messageHeight; |
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417 if (layoutText !is null) height += Math.max (IMAGE_SIZE, textHeight) + 2 * PADDING; |
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418 return new Point(width, height); |
| 47 | 419 } |
| 420 | |
| 421 /** | |
| 422 * Returns the receiver's text, which will be an empty | |
| 423 * string if it has never been set. | |
| 424 * | |
| 425 * @return the receiver's text | |
| 426 * | |
| 71 | 427 * @exception DWTException <ul> |
| 47 | 428 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 429 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 430 * </ul> | |
| 431 */ | |
| 238 | 432 public String getText () { |
|
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433 checkWidget (); |
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434 return text; |
| 47 | 435 } |
| 436 | |
| 437 /** | |
| 438 * Returns <code>true</code> if the receiver is visible, and | |
| 439 * <code>false</code> otherwise. | |
| 440 * <p> | |
| 441 * If one of the receiver's ancestors is not visible or some | |
| 442 * other condition makes the receiver not visible, this method | |
| 443 * may still indicate that it is considered visible even though | |
| 444 * it may not actually be showing. | |
| 445 * </p> | |
| 446 * | |
| 447 * @return the receiver's visibility state | |
| 448 * | |
| 71 | 449 * @exception DWTException <ul> |
| 47 | 450 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 451 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 452 * </ul> | |
| 453 */ | |
| 454 public bool getVisible () { | |
|
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455 checkWidget (); |
| 71 | 456 if ((style & DWT.BALLOON) !is 0) return OS.GTK_WIDGET_VISIBLE (handle); |
|
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457 auto tipWindow = OS.GTK_TOOLTIPS_TIP_WINDOW (cast(GtkTooltips*)handle); |
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458 return OS.GTK_WIDGET_VISIBLE (tipWindow); |
| 47 | 459 } |
| 460 | |
| 461 override int /*long*/ gtk_button_press_event (GtkWidget* widget, GdkEventButton* event) { | |
| 71 | 462 notifyListeners (DWT.Selection, new Event ()); |
|
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463 setVisible (false); |
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464 return 0; |
| 47 | 465 } |
| 466 | |
| 467 override int /*long*/ gtk_expose_event (GtkWidget* widget, GdkEventExpose* event) { | |
|
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468 auto window = OS.GTK_WIDGET_WINDOW (handle); |
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469 auto gdkGC = cast(GdkGC*)OS.gdk_gc_new (window); |
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470 OS.gdk_draw_polygon (window, gdkGC, 0, cast(GdkPoint*)borderPolygon.ptr, borderPolygon.length / 2); |
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471 int x = BORDER + PADDING; |
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472 int y = BORDER + PADDING; |
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473 if (spikeAbove) y += TIP_HEIGHT; |
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474 if (layoutText !is null) { |
| 238 | 475 String buffer = null; |
| 71 | 476 int id = style & (DWT.ICON_ERROR | DWT.ICON_INFORMATION | DWT.ICON_WARNING); |
|
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477 switch (id) { |
| 71 | 478 case DWT.ICON_ERROR: buffer = "gtk-dialog-error"; break; |
| 479 case DWT.ICON_INFORMATION: buffer = "gtk-dialog-info"; break; | |
| 480 case DWT.ICON_WARNING: buffer = "gtk-dialog-warning"; break; | |
|
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481 default: |
|
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482 } |
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483 if (buffer !is null) { |
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484 auto style = OS.gtk_widget_get_default_style (); |
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485 auto pixbuf = OS.gtk_icon_set_render_icon ( |
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486 OS.gtk_icon_factory_lookup_default (buffer.ptr), |
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487 style, |
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488 OS.GTK_TEXT_DIR_NONE, |
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489 OS.GTK_STATE_NORMAL, |
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490 OS.GTK_ICON_SIZE_MENU, |
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491 null, |
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492 null); |
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493 OS.gdk_draw_pixbuf (window, gdkGC, pixbuf, 0, 0, x, y, IMAGE_SIZE, IMAGE_SIZE, OS.GDK_RGB_DITHER_NORMAL, 0, 0); |
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494 OS.g_object_unref (pixbuf); |
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495 x += IMAGE_SIZE; |
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496 } |
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497 x += INSET; |
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498 OS.gdk_draw_layout (window, gdkGC, x, y, layoutText); |
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499 int w, h; |
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500 OS.pango_layout_get_size (layoutText, &w, &h); |
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501 y += 2 * PADDING + Math.max (IMAGE_SIZE, OS.PANGO_PIXELS (h )); |
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502 } |
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503 if (layoutMessage !is null) { |
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504 x = BORDER + PADDING + INSET; |
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505 OS.gdk_draw_layout (window, gdkGC, x, y, layoutMessage); |
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506 } |
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507 OS.g_object_unref (gdkGC); |
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508 return 0; |
| 47 | 509 } |
| 510 | |
| 511 override int /*long*/ gtk_size_allocate (GtkWidget* widget, int /*long*/ allocation) { | |
|
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512 Point point = getLocation (); |
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513 int x = point.x; |
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514 int y = point.y; |
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515 auto screen = OS.gdk_screen_get_default (); |
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516 OS.gtk_widget_realize (widget); |
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517 int monitorNumber = OS.gdk_screen_get_monitor_at_window (screen, OS.GTK_WIDGET_WINDOW (widget)); |
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518 GdkRectangle* dest = new GdkRectangle (); |
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519 OS.gdk_screen_get_monitor_geometry (screen, monitorNumber, dest); |
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520 int w = OS.GTK_WIDGET_WIDTH (widget); |
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521 int h = OS.GTK_WIDGET_HEIGHT (widget); |
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522 if (dest.height < y + h) y -= h; |
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523 if (dest.width < x + w) x -= w; |
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524 OS.gtk_window_move (cast(GtkWindow*)widget, x, y); |
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525 return 0; |
| 47 | 526 } |
| 527 | |
|
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528 override void hookEvents () { |
| 71 | 529 if ((style & DWT.BALLOON) !is 0) { |
|
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530 OS.g_signal_connect_closure (handle, OS.expose_event.ptr, display.closures [EXPOSE_EVENT], false); |
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531 OS.gtk_widget_add_events (handle, OS.GDK_BUTTON_PRESS_MASK); |
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532 OS.g_signal_connect_closure (handle, OS.button_press_event.ptr, display.closures [BUTTON_PRESS_EVENT], false); |
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533 } else { |
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534 auto tipWindow = OS.GTK_TOOLTIPS_TIP_WINDOW (cast(GtkTooltips*)handle); |
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535 if (tipWindow !is null) { |
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536 OS.g_signal_connect_closure (tipWindow, OS.size_allocate.ptr, display.closures [SIZE_ALLOCATE], false); |
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537 OS.gtk_widget_add_events (tipWindow, OS.GDK_BUTTON_PRESS_MASK); |
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538 OS.g_signal_connect_closure (tipWindow, OS.button_press_event.ptr, display.closures [BUTTON_PRESS_EVENT], false); |
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539 } |
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540 } |
| 47 | 541 } |
| 542 | |
| 543 /** | |
| 544 * Returns <code>true</code> if the receiver is visible and all | |
| 545 * of the receiver's ancestors are visible and <code>false</code> | |
| 546 * otherwise. | |
| 547 * | |
| 548 * @return the receiver's visibility state | |
| 549 * | |
| 71 | 550 * @exception DWTException <ul> |
| 47 | 551 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 552 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 553 * </ul> | |
| 554 * | |
| 555 * @see #getVisible | |
| 556 */ | |
| 557 public bool isVisible () { | |
|
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558 checkWidget (); |
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559 return getVisible (); |
| 47 | 560 } |
| 561 | |
|
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562 override void register () { |
|
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563 super.register (); |
| 71 | 564 if ((style & DWT.BALLOON) is 0) { |
|
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565 auto tipWindow = OS.GTK_TOOLTIPS_TIP_WINDOW (cast(GtkTooltips*)handle); |
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566 if (tipWindow !is null) display.addWidget (tipWindow, this); |
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567 } |
| 47 | 568 } |
| 569 | |
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570 override void releaseWidget () { |
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571 super.releaseWidget (); |
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572 if (layoutText !is null) OS.g_object_unref (layoutText); |
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573 layoutText = null; |
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574 if (layoutMessage !is null) OS.g_object_unref (layoutMessage); |
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575 layoutMessage = null; |
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576 if (timerId !is 0) OS.gtk_timeout_remove(timerId); |
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577 timerId = 0; |
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578 text = null; |
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579 message = null; |
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580 borderPolygon = null; |
| 47 | 581 } |
| 582 | |
| 583 /** | |
| 584 * Removes the listener from the collection of listeners who will | |
| 585 * be notified when the receiver is selected by the user. | |
| 586 * | |
| 587 * @param listener the listener which should no longer be notified | |
| 588 * | |
| 589 * @exception IllegalArgumentException <ul> | |
| 590 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 591 * </ul> | |
| 71 | 592 * @exception DWTException <ul> |
| 47 | 593 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 594 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 595 * </ul> | |
| 596 * | |
| 597 * @see SelectionListener | |
| 598 * @see #addSelectionListener | |
| 599 */ | |
| 600 public void removeSelectionListener (SelectionListener listener) { | |
|
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601 checkWidget(); |
| 71 | 602 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
|
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603 if (eventTable is null) return; |
| 71 | 604 eventTable.unhook (DWT.Selection, listener); |
| 605 eventTable.unhook (DWT.DefaultSelection, listener); | |
| 47 | 606 } |
| 607 | |
| 608 /** | |
| 609 * Makes the receiver hide automatically when <code>true</code>, | |
| 610 * and remain visible when <code>false</code>. | |
| 611 * | |
| 612 * @param autoHide the auto hide state | |
| 613 * | |
| 71 | 614 * @exception DWTException <ul> |
| 47 | 615 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 616 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 617 * </ul> | |
| 618 * | |
| 619 * @see #getVisible | |
| 620 * @see #setVisible | |
| 621 */ | |
| 622 public void setAutoHide (bool autohide) { | |
|
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623 checkWidget (); |
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624 this.autohide = autohide; |
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625 //TODO - update when visible |
| 47 | 626 } |
| 627 | |
| 628 /** | |
| 629 * Sets the location of the receiver, which must be a tooltip, | |
| 630 * to the point specified by the arguments which are relative | |
| 631 * to the display. | |
| 632 * <p> | |
| 633 * Note that this is different from most widgets where the | |
| 634 * location of the widget is relative to the parent. | |
| 635 * </p> | |
| 636 * | |
| 637 * @param x the new x coordinate for the receiver | |
| 638 * @param y the new y coordinate for the receiver | |
| 639 * | |
| 71 | 640 * @exception DWTException <ul> |
| 47 | 641 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 642 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 643 * </ul> | |
| 644 */ | |
| 645 public void setLocation (int x, int y) { | |
|
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646 checkWidget (); |
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647 this.x = x; |
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648 this.y = y; |
| 71 | 649 if ((style & DWT.BALLOON) !is 0) { |
|
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650 if (OS.GTK_WIDGET_VISIBLE (handle)) configure (); |
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651 } else { |
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652 auto tipWindow = OS.GTK_TOOLTIPS_TIP_WINDOW (cast(GtkTooltips*)handle); |
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653 if (OS.GTK_WIDGET_VISIBLE (tipWindow)) { |
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654 OS.gtk_window_move (cast(GtkWindow*)tipWindow, x, y); |
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655 } |
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656 } |
| 47 | 657 } |
| 658 | |
| 659 /** | |
| 660 * Sets the location of the receiver, which must be a tooltip, | |
| 661 * to the point specified by the argument which is relative | |
| 662 * to the display. | |
| 663 * <p> | |
| 664 * Note that this is different from most widgets where the | |
| 665 * location of the widget is relative to the parent. | |
| 666 * </p><p> | |
| 667 * Note that the platform window manager ultimately has control | |
| 668 * over the location of tooltips. | |
| 669 * </p> | |
| 670 * | |
| 671 * @param location the new location for the receiver | |
| 672 * | |
| 673 * @exception IllegalArgumentException <ul> | |
| 674 * <li>ERROR_NULL_ARGUMENT - if the point is null</li> | |
| 675 * </ul> | |
| 71 | 676 * @exception DWTException <ul> |
| 47 | 677 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 678 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 679 * </ul> | |
| 680 */ | |
| 681 public void setLocation (Point location) { | |
|
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682 checkWidget (); |
| 71 | 683 if (location is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); |
|
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684 setLocation (location.x, location.y); |
| 47 | 685 } |
| 686 | |
| 687 /** | |
| 688 * Sets the receiver's message. | |
| 689 * | |
| 690 * @param string the new message | |
| 691 * | |
| 71 | 692 * @exception DWTException <ul> |
| 47 | 693 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 694 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 695 * </ul> | |
| 696 */ | |
| 238 | 697 public void setMessage (String string) { |
|
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698 checkWidget (); |
|
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699 // DWT extension: allow null for zero length string |
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700 //if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
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701 message = string; |
| 71 | 702 if ((style & DWT.BALLOON) is 0) return; |
|
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703 if (layoutMessage !is null) OS.g_object_unref (layoutMessage); |
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704 layoutMessage = null; |
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705 if (message.length !is 0) { |
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706 layoutMessage = OS.gtk_widget_create_pango_layout (handle, message.toStringzValidPtr()); |
| 211 | 707 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { |
| 708 OS.pango_layout_set_auto_dir (layoutMessage, false); | |
| 709 } | |
|
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710 OS.pango_layout_set_wrap (layoutMessage, OS.PANGO_WRAP_WORD_CHAR); |
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711 } |
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712 if (OS.GTK_WIDGET_VISIBLE (handle)) configure (); |
| 47 | 713 } |
| 714 | |
| 715 /** | |
| 716 * Sets the receiver's text. | |
| 717 * | |
| 718 * @param string the new text | |
| 719 * | |
| 71 | 720 * @exception DWTException <ul> |
| 47 | 721 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 722 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 723 * </ul> | |
| 724 */ | |
| 238 | 725 public void setText (String string) { |
|
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726 checkWidget (); |
|
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727 // DWT extension: allow null for zero length string |
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728 //if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
|
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729 text = string; |
| 71 | 730 if ((style & DWT.BALLOON) is 0) return; |
|
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731 if (layoutText !is null) OS.g_object_unref (layoutText); |
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732 layoutText = null; |
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733 if (text.length !is 0) { |
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734 layoutText = OS.gtk_widget_create_pango_layout (handle, text.toStringzValidPtr()); |
| 211 | 735 if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { |
| 736 OS.pango_layout_set_auto_dir (layoutText, false); | |
| 737 } | |
|
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738 auto boldAttr = OS.pango_attr_weight_new (OS.PANGO_WEIGHT_BOLD); |
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739 boldAttr.start_index = 0; |
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740 boldAttr.end_index = text.length+1; |
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741 auto attrList = OS.pango_attr_list_new (); |
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742 OS.pango_attr_list_insert (attrList, boldAttr); |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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743 OS.pango_layout_set_attributes (layoutText, attrList); |
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744 OS.pango_attr_list_unref (attrList); |
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745 OS.pango_layout_set_wrap (layoutText, OS.PANGO_WRAP_WORD_CHAR); |
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746 } |
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747 if (OS.GTK_WIDGET_VISIBLE (handle)) configure (); |
| 47 | 748 } |
| 749 | |
| 750 /** | |
| 751 * Marks the receiver as visible if the argument is <code>true</code>, | |
| 752 * and marks it invisible otherwise. | |
| 753 * <p> | |
| 754 * If one of the receiver's ancestors is not visible or some | |
| 755 * other condition makes the receiver not visible, marking | |
| 756 * it visible may not actually cause it to be displayed. | |
| 757 * </p> | |
| 758 * | |
| 759 * @param visible the new visibility state | |
| 760 * | |
| 71 | 761 * @exception DWTException <ul> |
| 47 | 762 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 763 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 764 * </ul> | |
| 765 */ | |
| 766 public void setVisible (bool visible) { | |
|
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767 if (timerId !is 0) OS.gtk_timeout_remove(timerId); |
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768 timerId = 0; |
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769 if (visible) { |
| 71 | 770 if ((style & DWT.BALLOON) !is 0) { |
|
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771 configure (); |
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772 OS.gtk_widget_show (handle); |
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773 } else { |
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774 auto vboxHandle = parent.vboxHandle; |
| 238 | 775 String string = text; |
|
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776 if (text.length > 0) string ~= "\n\n"; |
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777 string ~= message; |
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778 char* buffer = toStringz( string ); |
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779 OS.gtk_tooltips_set_tip (cast(GtkTooltips*)handle, vboxHandle, buffer, null); |
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780 auto data = OS.gtk_tooltips_data_get (vboxHandle); |
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781 OS.GTK_TOOLTIPS_SET_ACTIVE (cast(GtkTooltips*)handle, data); |
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782 OS.gtk_tooltips_set_tip (cast(GtkTooltips*)handle, vboxHandle, buffer, null); |
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783 } |
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784 if (autohide) timerId = display.doWindowTimerAdd( &timerProcCallbackData, DELAY, handle); |
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785 } else { |
| 71 | 786 if ((style & DWT.BALLOON) !is 0) { |
|
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787 OS.gtk_widget_hide (handle); |
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788 } else { |
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789 auto tipWindow = OS.GTK_TOOLTIPS_TIP_WINDOW (cast(GtkTooltips*)handle); |
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790 OS.gtk_widget_hide (tipWindow); |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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791 } |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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792 } |
| 47 | 793 } |
| 794 | |
| 795 override int /*long*/ timerProc (GtkWidget* widget) { | |
| 71 | 796 if ((style & DWT.BALLOON) !is 0) { |
|
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797 OS.gtk_widget_hide (handle); |
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798 } else { |
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799 auto tipWindow = OS.GTK_TOOLTIPS_TIP_WINDOW (cast(GtkTooltips*)handle); |
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800 OS.gtk_widget_hide (tipWindow); |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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801 } |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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802 return 0; |
| 47 | 803 } |
| 804 | |
| 805 } |