1 /* 2 * This file is part of gtkD. 3 * 4 * gtkD is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU Lesser General Public License 6 * as published by the Free Software Foundation; either version 3 7 * of the License, or (at your option) any later version, with 8 * some exceptions, please read the COPYING file. 9 * 10 * gtkD is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public License 16 * along with gtkD; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA 18 */ 19 20 // generated automatically - do not change 21 // find conversion definition on APILookup.txt 22 // implement new conversion functionalities on the wrap.utils pakage 23 24 25 module gdk.Cursor; 26 27 private import cairo.Surface; 28 private import gdk.Display; 29 private import gdkpixbuf.Pixbuf; 30 private import glib.ConstructionException; 31 private import glib.Str; 32 private import gobject.ObjectG; 33 private import gtkc.gdk; 34 public import gtkc.gdktypes; 35 36 37 /** 38 * A #GdkCursor represents a cursor. Its contents are private. 39 */ 40 public class Cursor : ObjectG 41 { 42 /** the main Gtk struct */ 43 protected GdkCursor* gdkCursor; 44 45 /** Get the main Gtk struct */ 46 public GdkCursor* getCursorStruct() 47 { 48 return gdkCursor; 49 } 50 51 /** the main Gtk struct as a void* */ 52 protected override void* getStruct() 53 { 54 return cast(void*)gdkCursor; 55 } 56 57 protected override void setStruct(GObject* obj) 58 { 59 gdkCursor = cast(GdkCursor*)obj; 60 super.setStruct(obj); 61 } 62 63 /** 64 * Sets our main struct and passes it to the parent class. 65 */ 66 public this (GdkCursor* gdkCursor, bool ownedRef = false) 67 { 68 this.gdkCursor = gdkCursor; 69 super(cast(GObject*)gdkCursor, ownedRef); 70 } 71 72 73 /** */ 74 public static GType getType() 75 { 76 return gdk_cursor_get_type(); 77 } 78 79 /** 80 * Creates a new cursor from the set of builtin cursors for the default display. 81 * See gdk_cursor_new_for_display(). 82 * 83 * To make the cursor invisible, use %GDK_BLANK_CURSOR. 84 * 85 * Deprecated: Use gdk_cursor_new_for_display() instead. 86 * 87 * Params: 88 * cursorType = cursor to create 89 * 90 * Return: a new #GdkCursor 91 * 92 * Throws: ConstructionException GTK+ fails to create the object. 93 */ 94 public this(GdkCursorType cursorType) 95 { 96 auto p = gdk_cursor_new(cursorType); 97 98 if(p is null) 99 { 100 throw new ConstructionException("null returned by new"); 101 } 102 103 this(cast(GdkCursor*) p, true); 104 } 105 106 /** 107 * Creates a new cursor from the set of builtin cursors. 108 * 109 * Params: 110 * display = the #GdkDisplay for which the cursor will be created 111 * cursorType = cursor to create 112 * 113 * Return: a new #GdkCursor 114 * 115 * Since: 2.2 116 * 117 * Throws: ConstructionException GTK+ fails to create the object. 118 */ 119 public this(Display display, GdkCursorType cursorType) 120 { 121 auto p = gdk_cursor_new_for_display((display is null) ? null : display.getDisplayStruct(), cursorType); 122 123 if(p is null) 124 { 125 throw new ConstructionException("null returned by new_for_display"); 126 } 127 128 this(cast(GdkCursor*) p, true); 129 } 130 131 /** 132 * Creates a new cursor by looking up @name in the current cursor 133 * theme. 134 * 135 * A recommended set of cursor names that will work across different 136 * platforms can be found in the CSS specification: 137 * - "none" 138 * - ![](default_cursor.png) "default" 139 * - ![](help_cursor.png) "help" 140 * - ![](pointer_cursor.png) "pointer" 141 * - ![](progress_cursor.png) "progress" 142 * - ![](wait_cursor.png) "wait" 143 * - ![](cell_cursor.png) "cell" 144 * - ![](crosshair_cursor.png) "crosshair" 145 * - ![](text_cursor.png) "text" 146 * - ![](vertical_text_cursor.png) "vertical-text" 147 * - ![](alias_cursor.png) "alias" 148 * - ![](copy_cursor.png) "copy" 149 * - ![](move_cursor.png) "move" 150 * - ![](no_drop_cursor.png) "no-drop" 151 * - ![](not_allowed_cursor.png) "not-allowed" 152 * - ![](grab_cursor.png) "grab" 153 * - ![](grabbing_cursor.png) "grabbing" 154 * - ![](all_scroll_cursor.png) "all-scroll" 155 * - ![](col_resize_cursor.png) "col-resize" 156 * - ![](row_resize_cursor.png) "row-resize" 157 * - ![](n_resize_cursor.png) "n-resize" 158 * - ![](e_resize_cursor.png) "e-resize" 159 * - ![](s_resize_cursor.png) "s-resize" 160 * - ![](w_resize_cursor.png) "w-resize" 161 * - ![](ne_resize_cursor.png) "ne-resize" 162 * - ![](nw_resize_cursor.png) "nw-resize" 163 * - ![](sw_resize_cursor.png) "sw-resize" 164 * - ![](se_resize_cursor.png) "se-resize" 165 * - ![](ew_resize_cursor.png) "ew-resize" 166 * - ![](ns_resize_cursor.png) "ns-resize" 167 * - ![](nesw_resize_cursor.png) "nesw-resize" 168 * - ![](nwse_resize_cursor.png) "nwse-resize" 169 * - ![](zoom_in_cursor.png) "zoom-in" 170 * - ![](zoom_out_cursor.png) "zoom-out" 171 * 172 * Params: 173 * display = the #GdkDisplay for which the cursor will be created 174 * name = the name of the cursor 175 * 176 * Return: a new #GdkCursor, or %NULL if there is no 177 * cursor with the given name 178 * 179 * Since: 2.8 180 * 181 * Throws: ConstructionException GTK+ fails to create the object. 182 */ 183 public this(Display display, string name) 184 { 185 auto p = gdk_cursor_new_from_name((display is null) ? null : display.getDisplayStruct(), Str.toStringz(name)); 186 187 if(p is null) 188 { 189 throw new ConstructionException("null returned by new_from_name"); 190 } 191 192 this(cast(GdkCursor*) p, true); 193 } 194 195 /** 196 * Creates a new cursor from a pixbuf. 197 * 198 * Not all GDK backends support RGBA cursors. If they are not 199 * supported, a monochrome approximation will be displayed. 200 * The functions gdk_display_supports_cursor_alpha() and 201 * gdk_display_supports_cursor_color() can be used to determine 202 * whether RGBA cursors are supported; 203 * gdk_display_get_default_cursor_size() and 204 * gdk_display_get_maximal_cursor_size() give information about 205 * cursor sizes. 206 * 207 * If @x or @y are `-1`, the pixbuf must have 208 * options named “x_hot” and “y_hot”, resp., containing 209 * integer values between `0` and the width resp. height of 210 * the pixbuf. (Since: 3.0) 211 * 212 * On the X backend, support for RGBA cursors requires a 213 * sufficently new version of the X Render extension. 214 * 215 * Params: 216 * display = the #GdkDisplay for which the cursor will be created 217 * pixbuf = the #GdkPixbuf containing the cursor image 218 * x = the horizontal offset of the “hotspot” of the cursor. 219 * y = the vertical offset of the “hotspot” of the cursor. 220 * 221 * Return: a new #GdkCursor. 222 * 223 * Since: 2.4 224 * 225 * Throws: ConstructionException GTK+ fails to create the object. 226 */ 227 public this(Display display, Pixbuf pixbuf, int x, int y) 228 { 229 auto p = gdk_cursor_new_from_pixbuf((display is null) ? null : display.getDisplayStruct(), (pixbuf is null) ? null : pixbuf.getPixbufStruct(), x, y); 230 231 if(p is null) 232 { 233 throw new ConstructionException("null returned by new_from_pixbuf"); 234 } 235 236 this(cast(GdkCursor*) p, true); 237 } 238 239 /** 240 * Creates a new cursor from a cairo image surface. 241 * 242 * Not all GDK backends support RGBA cursors. If they are not 243 * supported, a monochrome approximation will be displayed. 244 * The functions gdk_display_supports_cursor_alpha() and 245 * gdk_display_supports_cursor_color() can be used to determine 246 * whether RGBA cursors are supported; 247 * gdk_display_get_default_cursor_size() and 248 * gdk_display_get_maximal_cursor_size() give information about 249 * cursor sizes. 250 * 251 * On the X backend, support for RGBA cursors requires a 252 * sufficently new version of the X Render extension. 253 * 254 * Params: 255 * display = the #GdkDisplay for which the cursor will be created 256 * surface = the cairo image surface containing the cursor pixel data 257 * x = the horizontal offset of the “hotspot” of the cursor 258 * y = the vertical offset of the “hotspot” of the cursor 259 * 260 * Return: a new #GdkCursor. 261 * 262 * Since: 3.10 263 * 264 * Throws: ConstructionException GTK+ fails to create the object. 265 */ 266 public this(Display display, Surface surface, double x, double y) 267 { 268 auto p = gdk_cursor_new_from_surface((display is null) ? null : display.getDisplayStruct(), (surface is null) ? null : surface.getSurfaceStruct(), x, y); 269 270 if(p is null) 271 { 272 throw new ConstructionException("null returned by new_from_surface"); 273 } 274 275 this(cast(GdkCursor*) p, true); 276 } 277 278 /** 279 * Returns the cursor type for this cursor. 280 * 281 * Return: a #GdkCursorType 282 * 283 * Since: 2.22 284 */ 285 public GdkCursorType getCursorType() 286 { 287 return gdk_cursor_get_cursor_type(gdkCursor); 288 } 289 290 /** 291 * Returns the display on which the #GdkCursor is defined. 292 * 293 * Return: the #GdkDisplay associated to @cursor 294 * 295 * Since: 2.2 296 */ 297 public Display getDisplay() 298 { 299 auto p = gdk_cursor_get_display(gdkCursor); 300 301 if(p is null) 302 { 303 return null; 304 } 305 306 return ObjectG.getDObject!(Display)(cast(GdkDisplay*) p); 307 } 308 309 /** 310 * Returns a #GdkPixbuf with the image used to display the cursor. 311 * 312 * Note that depending on the capabilities of the windowing system and 313 * on the cursor, GDK may not be able to obtain the image data. In this 314 * case, %NULL is returned. 315 * 316 * Return: a #GdkPixbuf representing 317 * @cursor, or %NULL 318 * 319 * Since: 2.8 320 */ 321 public Pixbuf getImage() 322 { 323 auto p = gdk_cursor_get_image(gdkCursor); 324 325 if(p is null) 326 { 327 return null; 328 } 329 330 return ObjectG.getDObject!(Pixbuf)(cast(GdkPixbuf*) p, true); 331 } 332 333 /** 334 * Returns a cairo image surface with the image used to display the cursor. 335 * 336 * Note that depending on the capabilities of the windowing system and 337 * on the cursor, GDK may not be able to obtain the image data. In this 338 * case, %NULL is returned. 339 * 340 * Params: 341 * xHot = Location to store the hotspot x position, 342 * or %NULL 343 * yHot = Location to store the hotspot y position, 344 * or %NULL 345 * 346 * Return: a #cairo_surface_t 347 * representing @cursor, or %NULL 348 * 349 * Since: 3.10 350 */ 351 public Surface getSurface(out double xHot, out double yHot) 352 { 353 auto p = gdk_cursor_get_surface(gdkCursor, &xHot, &yHot); 354 355 if(p is null) 356 { 357 return null; 358 } 359 360 return new Surface(cast(cairo_surface_t*) p); 361 } 362 363 /** 364 * Adds a reference to @cursor. 365 * 366 * Deprecated: Use g_object_ref() instead 367 * 368 * Return: Same @cursor that was passed in 369 */ 370 public override Cursor doref() 371 { 372 auto p = gdk_cursor_ref(gdkCursor); 373 374 if(p is null) 375 { 376 return null; 377 } 378 379 return ObjectG.getDObject!(Cursor)(cast(GdkCursor*) p, true); 380 } 381 382 /** 383 * Removes a reference from @cursor, deallocating the cursor 384 * if no references remain. 385 * 386 * Deprecated: Use g_object_unref() instead 387 */ 388 public override void unref() 389 { 390 gdk_cursor_unref(gdkCursor); 391 } 392 }