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