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  * Conversion parameters:
26  * inFile  = pango-Layout-Objects.html
27  * outPack = pango
28  * outFile = PgLayout
29  * strct   = PangoLayout
30  * realStrct=
31  * ctorStrct=
32  * clss    = PgLayout
33  * interf  = 
34  * class Code: Yes
35  * interface Code: No
36  * template for:
37  * extend  = 
38  * implements:
39  * prefixes:
40  * 	- pango_layout_
41  * omit structs:
42  * omit prefixes:
43  * 	- pango_layout_iter_
44  * 	- pango_layout_line_
45  * omit code:
46  * 	- pango_layout_set_text
47  * omit signals:
48  * imports:
49  * 	- glib.Str
50  * 	- pango.PgLayoutLine
51  * 	- pango.PgContext
52  * 	- pango.PgAttributeList
53  * 	- pango.PgFontDescription
54  * 	- pango.PgTabArray
55  * 	- pango.PgLayoutIter
56  * 	- glib.ListSG
57  * structWrap:
58  * 	- GSList* -> ListSG
59  * 	- PangoAttrList* -> PgAttributeList
60  * 	- PangoContext* -> PgContext
61  * 	- PangoFontDescription* -> PgFontDescription
62  * 	- PangoLayout* -> PgLayout
63  * 	- PangoLayoutIter* -> PgLayoutIter
64  * 	- PangoLayoutLine* -> PgLayoutLine
65  * 	- PangoTabArray* -> PgTabArray
66  * module aliases:
67  * local aliases:
68  * overrides:
69  */
70 
71 module pango.PgLayout;
72 
73 public  import gtkc.pangotypes;
74 
75 private import gtkc.pango;
76 private import glib.ConstructionException;
77 private import gobject.ObjectG;
78 
79 
80 private import glib.Str;
81 private import pango.PgLayoutLine;
82 private import pango.PgContext;
83 private import pango.PgAttributeList;
84 private import pango.PgFontDescription;
85 private import pango.PgTabArray;
86 private import pango.PgLayoutIter;
87 private import glib.ListSG;
88 
89 
90 
91 private import gobject.ObjectG;
92 
93 /**
94  * While complete access to the layout capabilities of Pango is provided
95  * using the detailed interfaces for itemization and shaping, using
96  * that functionality directly involves writing a fairly large amount
97  * of code. The objects and functions in this section provide a
98  * high-level driver for formatting entire paragraphs of text
99  * at once.
100  */
101 public class PgLayout : ObjectG
102 {
103 	
104 	/** the main Gtk struct */
105 	protected PangoLayout* pangoLayout;
106 	
107 	
108 	public PangoLayout* getPgLayoutStruct()
109 	{
110 		return pangoLayout;
111 	}
112 	
113 	
114 	/** the main Gtk struct as a void* */
115 	protected override void* getStruct()
116 	{
117 		return cast(void*)pangoLayout;
118 	}
119 	
120 	/**
121 	 * Sets our main struct and passes it to the parent class
122 	 */
123 	public this (PangoLayout* pangoLayout)
124 	{
125 		super(cast(GObject*)pangoLayout);
126 		this.pangoLayout = pangoLayout;
127 	}
128 	
129 	protected override void setStruct(GObject* obj)
130 	{
131 		super.setStruct(obj);
132 		pangoLayout = cast(PangoLayout*)obj;
133 	}
134 	
135 	/**
136 	 * Sets the text of the layout.
137 	 * Params:
138 	 *  text = a UTF-8 string
139 	 */
140 	public void setText(string text)
141 	{
142 		// void pango_layout_set_text (PangoLayout *layout,  const char *text,  int length);
143 		pango_layout_set_text(pangoLayout, Str.toStringz(text), cast(int) text.length);
144 	}
145 	
146 	
147 	/**
148 	 */
149 	
150 	/**
151 	 * Create a new PangoLayout object with attributes initialized to
152 	 * default values for a particular PangoContext.
153 	 * Params:
154 	 * context = a PangoContext
155 	 * Throws: ConstructionException GTK+ fails to create the object.
156 	 */
157 	public this (PgContext context)
158 	{
159 		// PangoLayout * pango_layout_new (PangoContext *context);
160 		auto p = pango_layout_new((context is null) ? null : context.getPgContextStruct());
161 		if(p is null)
162 		{
163 			throw new ConstructionException("null returned by pango_layout_new((context is null) ? null : context.getPgContextStruct())");
164 		}
165 		this(cast(PangoLayout*) p);
166 	}
167 	
168 	/**
169 	 * Does a deep copy-by-value of the src layout. The attribute list,
170 	 * tab array, and text from the original layout are all copied by
171 	 * value.
172 	 * Returns: the newly allocated PangoLayout, with a reference count of one, which should be freed with g_object_unref(). [transfer full]
173 	 */
174 	public PgLayout copy()
175 	{
176 		// PangoLayout * pango_layout_copy (PangoLayout *src);
177 		auto p = pango_layout_copy(pangoLayout);
178 		
179 		if(p is null)
180 		{
181 			return null;
182 		}
183 		
184 		return ObjectG.getDObject!(PgLayout)(cast(PangoLayout*) p);
185 	}
186 	
187 	/**
188 	 * Retrieves the PangoContext used for this layout.
189 	 * Returns: the PangoContext for the layout. This does not have an additional refcount added, so if you want to keep a copy of this around, you must reference it yourself. [transfer none]
190 	 */
191 	public PgContext getContext()
192 	{
193 		// PangoContext * pango_layout_get_context (PangoLayout *layout);
194 		auto p = pango_layout_get_context(pangoLayout);
195 		
196 		if(p is null)
197 		{
198 			return null;
199 		}
200 		
201 		return ObjectG.getDObject!(PgContext)(cast(PangoContext*) p);
202 	}
203 	
204 	/**
205 	 * Forces recomputation of any state in the PangoLayout that
206 	 * might depend on the layout's context. This function should
207 	 * be called if you make changes to the context subsequent
208 	 * to creating the layout.
209 	 */
210 	public void contextChanged()
211 	{
212 		// void pango_layout_context_changed (PangoLayout *layout);
213 		pango_layout_context_changed(pangoLayout);
214 	}
215 	
216 	/**
217 	 * Returns the current serial number of layout. The serial number is
218 	 * initialized to an small number larger than zero when a new layout
219 	 * is created and is increased whenever the layout is changed using any
220 	 * of the setter functions, or the PangoContext it uses has changed.
221 	 * The serial may wrap, but will never have the value 0. Since it
222 	 * can wrap, never compare it with "less than", always use "not equals".
223 	 * This can be used to automatically detect changes to a PangoLayout, and
224 	 * is useful for example to decide whether a layout needs redrawing.
225 	 * To force the serial to be increased, use pango_layout_context_changed().
226 	 * Since 1.32.4
227 	 * Returns: The current serial number of layout.
228 	 */
229 	public uint getSerial()
230 	{
231 		// guint pango_layout_get_serial (PangoLayout *layout);
232 		return pango_layout_get_serial(pangoLayout);
233 	}
234 	
235 	/**
236 	 * Gets the text in the layout. The returned text should not
237 	 * be freed or modified.
238 	 * Returns: the text in the layout.
239 	 */
240 	public string getText()
241 	{
242 		// const char * pango_layout_get_text (PangoLayout *layout);
243 		return Str.toString(pango_layout_get_text(pangoLayout));
244 	}
245 	
246 	/**
247 	 * Returns the number of Unicode characters in the
248 	 * the text of layout.
249 	 * Since 1.30
250 	 * Returns: the number of Unicode characters in the text of layout
251 	 */
252 	public int getCharacterCount()
253 	{
254 		// gint pango_layout_get_character_count (PangoLayout *layout);
255 		return pango_layout_get_character_count(pangoLayout);
256 	}
257 	
258 	/**
259 	 * Same as pango_layout_set_markup_with_accel(), but
260 	 * the markup text isn't scanned for accelerators.
261 	 * Params:
262 	 * markup = marked-up text
263 	 * length = length of marked-up text in bytes, or -1 if markup is
264 	 * null-terminated
265 	 */
266 	public void setMarkup(string markup, int length)
267 	{
268 		// void pango_layout_set_markup (PangoLayout *layout,  const char *markup,  int length);
269 		pango_layout_set_markup(pangoLayout, Str.toStringz(markup), length);
270 	}
271 	
272 	/**
273 	 * Sets the layout text and attribute list from marked-up text (see
274 	 * markup format). Replaces
275 	 * the current text and attribute list.
276 	 * If accel_marker is nonzero, the given character will mark the
277 	 * character following it as an accelerator. For example, accel_marker
278 	 * might be an ampersand or underscore. All characters marked
279 	 * as an accelerator will receive a PANGO_UNDERLINE_LOW attribute,
280 	 * and the first character so marked will be returned in accel_char.
281 	 * Two accel_marker characters following each other produce a single
282 	 * literal accel_marker character.
283 	 * Params:
284 	 * markup = marked-up text
285 	 * (see markup format)
286 	 * length = length of marked-up text in bytes, or -1 if markup is
287 	 * null-terminated
288 	 * accelMarker = marker for accelerators in the text
289 	 * accelChar = return location
290 	 * for first located accelerator, or NULL. [out caller-allocates][allow-none]
291 	 */
292 	public void setMarkupWithAccel(string markup, int length, gunichar accelMarker, gunichar* accelChar)
293 	{
294 		// void pango_layout_set_markup_with_accel (PangoLayout *layout,  const char *markup,  int length,  gunichar accel_marker,  gunichar *accel_char);
295 		pango_layout_set_markup_with_accel(pangoLayout, Str.toStringz(markup), length, accelMarker, accelChar);
296 	}
297 	
298 	/**
299 	 * Sets the text attributes for a layout object.
300 	 * References attrs, so the caller can unref its reference.
301 	 * Params:
302 	 * attrs = a PangoAttrList, can be NULL. [allow-none][transfer none]
303 	 */
304 	public void setAttributes(PgAttributeList attrs)
305 	{
306 		// void pango_layout_set_attributes (PangoLayout *layout,  PangoAttrList *attrs);
307 		pango_layout_set_attributes(pangoLayout, (attrs is null) ? null : attrs.getPgAttributeListStruct());
308 	}
309 	
310 	/**
311 	 * Gets the attribute list for the layout, if any.
312 	 * Returns: a PangoAttrList. [transfer none]
313 	 */
314 	public PgAttributeList getAttributes()
315 	{
316 		// PangoAttrList * pango_layout_get_attributes (PangoLayout *layout);
317 		auto p = pango_layout_get_attributes(pangoLayout);
318 		
319 		if(p is null)
320 		{
321 			return null;
322 		}
323 		
324 		return ObjectG.getDObject!(PgAttributeList)(cast(PangoAttrList*) p);
325 	}
326 	
327 	/**
328 	 * Sets the default font description for the layout. If no font
329 	 * description is set on the layout, the font description from
330 	 * the layout's context is used.
331 	 * Params:
332 	 * desc = the new PangoFontDescription, or NULL to unset the
333 	 * current font description. [allow-none]
334 	 */
335 	public void setFontDescription(PgFontDescription desc)
336 	{
337 		// void pango_layout_set_font_description (PangoLayout *layout,  const PangoFontDescription *desc);
338 		pango_layout_set_font_description(pangoLayout, (desc is null) ? null : desc.getPgFontDescriptionStruct());
339 	}
340 	
341 	/**
342 	 * Gets the font description for the layout, if any.
343 	 * Since 1.8
344 	 * Returns: a pointer to the layout's font description, or NULL if the font description from the layout's context is inherited. This value is owned by the layout and must not be modified or freed.
345 	 */
346 	public PgFontDescription getFontDescription()
347 	{
348 		// const PangoFontDescription * pango_layout_get_font_description  (PangoLayout *layout);
349 		auto p = pango_layout_get_font_description(pangoLayout);
350 		
351 		if(p is null)
352 		{
353 			return null;
354 		}
355 		
356 		return ObjectG.getDObject!(PgFontDescription)(cast(PangoFontDescription*) p);
357 	}
358 	
359 	/**
360 	 * Sets the width to which the lines of the PangoLayout should wrap or
361 	 * ellipsized. The default value is -1: no width set.
362 	 * Params:
363 	 * width = the desired width in Pango units, or -1 to indicate that no
364 	 * wrapping or ellipsization should be performed.
365 	 */
366 	public void setWidth(int width)
367 	{
368 		// void pango_layout_set_width (PangoLayout *layout,  int width);
369 		pango_layout_set_width(pangoLayout, width);
370 	}
371 	
372 	/**
373 	 * Gets the width to which the lines of the PangoLayout should wrap.
374 	 * Returns: the width in Pango units, or -1 if no width set.
375 	 */
376 	public int getWidth()
377 	{
378 		// int pango_layout_get_width (PangoLayout *layout);
379 		return pango_layout_get_width(pangoLayout);
380 	}
381 	
382 	/**
383 	 * Sets the height to which the PangoLayout should be ellipsized at. There
384 	 * are two different behaviors, based on whether height is positive or
385 	 * negative.
386 	 * If height is positive, it will be the maximum height of the layout. Only
387 	 * lines would be shown that would fit, and if there is any text omitted,
388 	 * an ellipsis added. At least one line is included in each paragraph regardless
389 	 * of how small the height value is. A value of zero will render exactly one
390 	 * line for the entire layout.
391 	 * If height is negative, it will be the (negative of) maximum number of lines per
392 	 * paragraph. That is, the total number of lines shown may well be more than
393 	 * this value if the layout contains multiple paragraphs of text.
394 	 * The default value of -1 means that first line of each paragraph is ellipsized.
395 	 * This behvaior may be changed in the future to act per layout instead of per
396 	 * paragraph. File a bug against pango at http://bugzilla.gnome.org/ if your
397 	 * code relies on this behavior.
398 	 * Height setting only has effect if a positive width is set on
399 	 * layout and ellipsization mode of layout is not PANGO_ELLIPSIZE_NONE.
400 	 * The behavior is undefined if a height other than -1 is set and
401 	 * ellipsization mode is set to PANGO_ELLIPSIZE_NONE, and may change in the
402 	 * future.
403 	 * Since 1.20
404 	 * Params:
405 	 * height = the desired height of the layout in Pango units if positive,
406 	 * or desired number of lines if negative.
407 	 */
408 	public void setHeight(int height)
409 	{
410 		// void pango_layout_set_height (PangoLayout *layout,  int height);
411 		pango_layout_set_height(pangoLayout, height);
412 	}
413 	
414 	/**
415 	 * Gets the height of layout used for ellipsization. See
416 	 * pango_layout_set_height() for details.
417 	 * Since 1.20
418 	 * Returns: the height, in Pango units if positive, or number of lines if negative.
419 	 */
420 	public int getHeight()
421 	{
422 		// int pango_layout_get_height (PangoLayout *layout);
423 		return pango_layout_get_height(pangoLayout);
424 	}
425 	
426 	/**
427 	 * Sets the wrap mode; the wrap mode only has effect if a width
428 	 * is set on the layout with pango_layout_set_width().
429 	 * To turn off wrapping, set the width to -1.
430 	 * Params:
431 	 * wrap = the wrap mode
432 	 */
433 	public void setWrap(PangoWrapMode wrap)
434 	{
435 		// void pango_layout_set_wrap (PangoLayout *layout,  PangoWrapMode wrap);
436 		pango_layout_set_wrap(pangoLayout, wrap);
437 	}
438 	
439 	/**
440 	 * Gets the wrap mode for the layout.
441 	 * Use pango_layout_is_wrapped() to query whether any paragraphs
442 	 * were actually wrapped.
443 	 * Returns: active wrap mode.
444 	 */
445 	public PangoWrapMode getWrap()
446 	{
447 		// PangoWrapMode pango_layout_get_wrap (PangoLayout *layout);
448 		return pango_layout_get_wrap(pangoLayout);
449 	}
450 	
451 	/**
452 	 * Queries whether the layout had to wrap any paragraphs.
453 	 * This returns TRUE if a positive width is set on layout,
454 	 * ellipsization mode of layout is set to PANGO_ELLIPSIZE_NONE,
455 	 * and there are paragraphs exceeding the layout width that have
456 	 * to be wrapped.
457 	 * Since 1.16
458 	 * Returns: TRUE if any paragraphs had to be wrapped, FALSE otherwise.
459 	 */
460 	public int isWrapped()
461 	{
462 		// gboolean pango_layout_is_wrapped (PangoLayout *layout);
463 		return pango_layout_is_wrapped(pangoLayout);
464 	}
465 	
466 	/**
467 	 * Sets the type of ellipsization being performed for layout.
468 	 * Depending on the ellipsization mode ellipsize text is
469 	 * removed from the start, middle, or end of text so they
470 	 * fit within the width and height of layout set with
471 	 * pango_layout_set_width() and pango_layout_set_height().
472 	 * If the layout contains characters such as newlines that
473 	 * force it to be layed out in multiple paragraphs, then whether
474 	 * each paragraph is ellipsized separately or the entire layout
475 	 * is ellipsized as a whole depends on the set height of the layout.
476 	 * See pango_layout_set_height() for details.
477 	 * Since 1.6
478 	 * Params:
479 	 * ellipsize = the new ellipsization mode for layout
480 	 */
481 	public void setEllipsize(PangoEllipsizeMode ellipsize)
482 	{
483 		// void pango_layout_set_ellipsize (PangoLayout *layout,  PangoEllipsizeMode ellipsize);
484 		pango_layout_set_ellipsize(pangoLayout, ellipsize);
485 	}
486 	
487 	/**
488 	 * Gets the type of ellipsization being performed for layout.
489 	 * See pango_layout_set_ellipsize()
490 	 * Since 1.6
491 	 * Returns: the current ellipsization mode for layout. Use pango_layout_is_ellipsized() to query whether any paragraphs were actually ellipsized.
492 	 */
493 	public PangoEllipsizeMode getEllipsize()
494 	{
495 		// PangoEllipsizeMode pango_layout_get_ellipsize (PangoLayout *layout);
496 		return pango_layout_get_ellipsize(pangoLayout);
497 	}
498 	
499 	/**
500 	 * Queries whether the layout had to ellipsize any paragraphs.
501 	 * This returns TRUE if the ellipsization mode for layout
502 	 * is not PANGO_ELLIPSIZE_NONE, a positive width is set on layout,
503 	 * and there are paragraphs exceeding that width that have to be
504 	 * ellipsized.
505 	 * Since 1.16
506 	 * Returns: TRUE if any paragraphs had to be ellipsized, FALSE otherwise.
507 	 */
508 	public int isEllipsized()
509 	{
510 		// gboolean pango_layout_is_ellipsized (PangoLayout *layout);
511 		return pango_layout_is_ellipsized(pangoLayout);
512 	}
513 	
514 	/**
515 	 * Sets the width in Pango units to indent each paragraph. A negative value
516 	 * of indent will produce a hanging indentation. That is, the first line will
517 	 * have the full width, and subsequent lines will be indented by the
518 	 * absolute value of indent.
519 	 * The indent setting is ignored if layout alignment is set to
520 	 * PANGO_ALIGN_CENTER.
521 	 * Params:
522 	 * indent = the amount by which to indent.
523 	 */
524 	public void setIndent(int indent)
525 	{
526 		// void pango_layout_set_indent (PangoLayout *layout,  int indent);
527 		pango_layout_set_indent(pangoLayout, indent);
528 	}
529 	
530 	/**
531 	 * Gets the paragraph indent width in Pango units. A negative value
532 	 * indicates a hanging indentation.
533 	 * Returns: the indent in Pango units.
534 	 */
535 	public int getIndent()
536 	{
537 		// int pango_layout_get_indent (PangoLayout *layout);
538 		return pango_layout_get_indent(pangoLayout);
539 	}
540 	
541 	/**
542 	 * Gets the amount of spacing between the lines of the layout.
543 	 * Returns: the spacing in Pango units.
544 	 */
545 	public int getSpacing()
546 	{
547 		// int pango_layout_get_spacing (PangoLayout *layout);
548 		return pango_layout_get_spacing(pangoLayout);
549 	}
550 	
551 	/**
552 	 * Sets the amount of spacing in Pango unit between the lines of the
553 	 * layout.
554 	 * Params:
555 	 * spacing = the amount of spacing
556 	 */
557 	public void setSpacing(int spacing)
558 	{
559 		// void pango_layout_set_spacing (PangoLayout *layout,  int spacing);
560 		pango_layout_set_spacing(pangoLayout, spacing);
561 	}
562 	
563 	/**
564 	 * Sets whether each complete line should be stretched to
565 	 * fill the entire width of the layout. This stretching is typically
566 	 * done by adding whitespace, but for some scripts (such as Arabic),
567 	 * the justification may be done in more complex ways, like extending
568 	 * the characters.
569 	 * Note that this setting is not implemented and so is ignored in Pango
570 	 * older than 1.18.
571 	 * Params:
572 	 * justify = whether the lines in the layout should be justified.
573 	 */
574 	public void setJustify(int justify)
575 	{
576 		// void pango_layout_set_justify (PangoLayout *layout,  gboolean justify);
577 		pango_layout_set_justify(pangoLayout, justify);
578 	}
579 	
580 	/**
581 	 * Gets whether each complete line should be stretched to fill the entire
582 	 * width of the layout.
583 	 * Returns: the justify.
584 	 */
585 	public int getJustify()
586 	{
587 		// gboolean pango_layout_get_justify (PangoLayout *layout);
588 		return pango_layout_get_justify(pangoLayout);
589 	}
590 	
591 	/**
592 	 * Sets whether to calculate the bidirectional base direction
593 	 * for the layout according to the contents of the layout;
594 	 * when this flag is on (the default), then paragraphs in
595 	 *  layout that begin with strong right-to-left characters
596 	 * (Arabic and Hebrew principally), will have right-to-left
597 	 * layout, paragraphs with letters from other scripts will
598 	 * have left-to-right layout. Paragraphs with only neutral
599 	 * characters get their direction from the surrounding paragraphs.
600 	 * When FALSE, the choice between left-to-right and
601 	 * right-to-left layout is done according to the base direction
602 	 * of the layout's PangoContext. (See pango_context_set_base_dir()).
603 	 * When the auto-computed direction of a paragraph differs from the
604 	 * base direction of the context, the interpretation of
605 	 * PANGO_ALIGN_LEFT and PANGO_ALIGN_RIGHT are swapped.
606 	 * Since 1.4
607 	 * Params:
608 	 * autoDir = if TRUE, compute the bidirectional base direction
609 	 * from the layout's contents.
610 	 */
611 	public void setAutoDir(int autoDir)
612 	{
613 		// void pango_layout_set_auto_dir (PangoLayout *layout,  gboolean auto_dir);
614 		pango_layout_set_auto_dir(pangoLayout, autoDir);
615 	}
616 	
617 	/**
618 	 * Gets whether to calculate the bidirectional base direction
619 	 * for the layout according to the contents of the layout.
620 	 * See pango_layout_set_auto_dir().
621 	 * Since 1.4
622 	 * Returns: TRUE if the bidirectional base direction is computed from the layout's contents, FALSE otherwise.
623 	 */
624 	public int getAutoDir()
625 	{
626 		// gboolean pango_layout_get_auto_dir (PangoLayout *layout);
627 		return pango_layout_get_auto_dir(pangoLayout);
628 	}
629 	
630 	/**
631 	 * Sets the alignment for the layout: how partial lines are
632 	 * positioned within the horizontal space available.
633 	 * Params:
634 	 * alignment = the alignment
635 	 */
636 	public void setAlignment(PangoAlignment alignment)
637 	{
638 		// void pango_layout_set_alignment (PangoLayout *layout,  PangoAlignment alignment);
639 		pango_layout_set_alignment(pangoLayout, alignment);
640 	}
641 	
642 	/**
643 	 * Gets the alignment for the layout: how partial lines are
644 	 * positioned within the horizontal space available.
645 	 * Returns: the alignment.
646 	 */
647 	public PangoAlignment getAlignment()
648 	{
649 		// PangoAlignment pango_layout_get_alignment (PangoLayout *layout);
650 		return pango_layout_get_alignment(pangoLayout);
651 	}
652 	
653 	/**
654 	 * Sets the tabs to use for layout, overriding the default tabs
655 	 * (by default, tabs are every 8 spaces). If tabs is NULL, the default
656 	 * tabs are reinstated. tabs is copied into the layout; you must
657 	 * free your copy of tabs yourself.
658 	 * Params:
659 	 * tabs = a PangoTabArray, or NULL. [allow-none]
660 	 */
661 	public void setTabs(PgTabArray tabs)
662 	{
663 		// void pango_layout_set_tabs (PangoLayout *layout,  PangoTabArray *tabs);
664 		pango_layout_set_tabs(pangoLayout, (tabs is null) ? null : tabs.getPgTabArrayStruct());
665 	}
666 	
667 	/**
668 	 * Gets the current PangoTabArray used by this layout. If no
669 	 * PangoTabArray has been set, then the default tabs are in use
670 	 * and NULL is returned. Default tabs are every 8 spaces.
671 	 * The return value should be freed with pango_tab_array_free().
672 	 * Returns: a copy of the tabs for this layout, or NULL.
673 	 */
674 	public PgTabArray getTabs()
675 	{
676 		// PangoTabArray * pango_layout_get_tabs (PangoLayout *layout);
677 		auto p = pango_layout_get_tabs(pangoLayout);
678 		
679 		if(p is null)
680 		{
681 			return null;
682 		}
683 		
684 		return ObjectG.getDObject!(PgTabArray)(cast(PangoTabArray*) p);
685 	}
686 	
687 	/**
688 	 * If setting is TRUE, do not treat newlines and similar characters
689 	 * as paragraph separators; instead, keep all text in a single paragraph,
690 	 * and display a glyph for paragraph separator characters. Used when
691 	 * you want to allow editing of newlines on a single text line.
692 	 * Params:
693 	 * setting = new setting
694 	 */
695 	public void setSingleParagraphMode(int setting)
696 	{
697 		// void pango_layout_set_single_paragraph_mode  (PangoLayout *layout,  gboolean setting);
698 		pango_layout_set_single_paragraph_mode(pangoLayout, setting);
699 	}
700 	
701 	/**
702 	 * Obtains the value set by pango_layout_set_single_paragraph_mode().
703 	 * Returns: TRUE if the layout does not break paragraphs at paragraph separator characters, FALSE otherwise.
704 	 */
705 	public int getSingleParagraphMode()
706 	{
707 		// gboolean pango_layout_get_single_paragraph_mode  (PangoLayout *layout);
708 		return pango_layout_get_single_paragraph_mode(pangoLayout);
709 	}
710 	
711 	/**
712 	 * Counts the number unknown glyphs in layout. That is, zero if
713 	 * glyphs for all characters in the layout text were found, or more
714 	 * than zero otherwise.
715 	 * This function can be used to determine if there are any fonts
716 	 * available to render all characters in a certain string, or when
717 	 * used in combination with PANGO_ATTR_FALLBACK, to check if a
718 	 * certain font supports all the characters in the string.
719 	 * Since 1.16
720 	 * Returns: The number of unknown glyphs in layout.
721 	 */
722 	public int getUnknownGlyphsCount()
723 	{
724 		// int pango_layout_get_unknown_glyphs_count  (PangoLayout *layout);
725 		return pango_layout_get_unknown_glyphs_count(pangoLayout);
726 	}
727 	
728 	/**
729 	 * Retrieves an array of logical attributes for each character in
730 	 * the layout.
731 	 * Params:
732 	 * attrs = location to store a pointer to an array of logical attributes
733 	 * This value must be freed with g_free(). [out][array length=n_attrs][transfer container]
734 	 */
735 	public void getLogAttrs(out PangoLogAttr[] attrs)
736 	{
737 		// void pango_layout_get_log_attrs (PangoLayout *layout,  PangoLogAttr **attrs,  gint *n_attrs);
738 		PangoLogAttr* outattrs = null;
739 		int nAttrs;
740 		
741 		pango_layout_get_log_attrs(pangoLayout, &outattrs, &nAttrs);
742 		
743 		attrs = outattrs[0 .. nAttrs];
744 	}
745 	
746 	/**
747 	 * Retrieves an array of logical attributes for each character in
748 	 * the layout.
749 	 * This is a faster alternative to pango_layout_get_log_attrs().
750 	 * The returned array is part of layout and must not be modified.
751 	 * Modifying the layout will invalidate the returned array.
752 	 * The number of attributes returned in n_attrs will be one more
753 	 * than the total number of characters in the layout, since there
754 	 * need to be attributes corresponding to both the position before
755 	 * the first character and the position after the last character.
756 	 * Since 1.30
757 	 * Returns: an array of logical attributes. [array length=n_attrs]
758 	 */
759 	public PangoLogAttr[] getLogAttrsReadonly()
760 	{
761 		// const PangoLogAttr * pango_layout_get_log_attrs_readonly  (PangoLayout *layout,  gint *n_attrs);
762 		int nAttrs;
763 		auto p = pango_layout_get_log_attrs_readonly(pangoLayout, &nAttrs);
764 		
765 		if(p is null)
766 		{
767 			return null;
768 		}
769 		
770 		return p[0 .. nAttrs];
771 	}
772 	
773 	/**
774 	 * Converts from an index within a PangoLayout to the onscreen position
775 	 * corresponding to the grapheme at that index, which is represented
776 	 * as rectangle. Note that pos->x is always the leading
777 	 * edge of the grapheme and pos->x + pos->width the trailing
778 	 * edge of the grapheme. If the directionality of the grapheme is right-to-left,
779 	 * then pos->width will be negative.
780 	 * Params:
781 	 * index = byte index within layout
782 	 * pos = rectangle in which to store the position of the grapheme. [out]
783 	 */
784 	public void indexToPos(int index, PangoRectangle* pos)
785 	{
786 		// void pango_layout_index_to_pos (PangoLayout *layout,  int index_,  PangoRectangle *pos);
787 		pango_layout_index_to_pos(pangoLayout, index, pos);
788 	}
789 	
790 	/**
791 	 * Converts from byte index_ within the layout to line and X position.
792 	 * (X position is measured from the left edge of the line)
793 	 * Params:
794 	 * index = the byte index of a grapheme within the layout.
795 	 * trailing = an integer indicating the edge of the grapheme to retrieve the
796 	 * position of. If 0, the trailing edge of the grapheme, if > 0,
797 	 * the leading of the grapheme.
798 	 * line = location to store resulting line index. (which will
799 	 * between 0 and pango_layout_get_line_count(layout) - 1), or NULL. [out][allow-none]
800 	 * xPos = location to store resulting position within line
801 	 * (PANGO_SCALE units per device unit), or NULL. [out][allow-none]
802 	 */
803 	public void indexToLineX(int index, int trailing, out int line, out int xPos)
804 	{
805 		// void pango_layout_index_to_line_x (PangoLayout *layout,  int index_,  gboolean trailing,  int *line,  int *x_pos);
806 		pango_layout_index_to_line_x(pangoLayout, index, trailing, &line, &xPos);
807 	}
808 	
809 	/**
810 	 * Converts from X and Y position within a layout to the byte
811 	 * index to the character at that logical position. If the
812 	 * Y position is not inside the layout, the closest position is chosen
813 	 * (the position will be clamped inside the layout). If the
814 	 * X position is not within the layout, then the start or the
815 	 * end of the line is chosen as described for pango_layout_x_to_index().
816 	 * If either the X or Y positions were not inside the layout, then the
817 	 * function returns FALSE; on an exact hit, it returns TRUE.
818 	 * Params:
819 	 * x = the X offset (in Pango units)
820 	 * from the left edge of the layout.
821 	 * y = the Y offset (in Pango units)
822 	 * from the top edge of the layout
823 	 * index = location to store calculated byte index. [out]
824 	 * trailing = location to store a integer indicating where
825 	 * in the grapheme the user clicked. It will either
826 	 * be zero, or the number of characters in the
827 	 * grapheme. 0 represents the trailing edge of the grapheme. [out]
828 	 * Returns: TRUE if the coordinates were inside text, FALSE otherwise.
829 	 */
830 	public int xyToIndex(int x, int y, out int index, out int trailing)
831 	{
832 		// gboolean pango_layout_xy_to_index (PangoLayout *layout,  int x,  int y,  int *index_,  int *trailing);
833 		return pango_layout_xy_to_index(pangoLayout, x, y, &index, &trailing);
834 	}
835 	
836 	/**
837 	 * Given an index within a layout, determines the positions that of the
838 	 * strong and weak cursors if the insertion point is at that
839 	 * index. The position of each cursor is stored as a zero-width
840 	 * rectangle. The strong cursor location is the location where
841 	 * characters of the directionality equal to the base direction of the
842 	 * layout are inserted. The weak cursor location is the location
843 	 * where characters of the directionality opposite to the base
844 	 * direction of the layout are inserted.
845 	 * Params:
846 	 * index = the byte index of the cursor
847 	 * strongPos = location to store the strong cursor position
848 	 * (may be NULL). [out][allow-none]
849 	 * weakPos = location to store the weak cursor position (may be NULL). [out][allow-none]
850 	 */
851 	public void getCursorPos(int index, PangoRectangle* strongPos, PangoRectangle* weakPos)
852 	{
853 		// void pango_layout_get_cursor_pos (PangoLayout *layout,  int index_,  PangoRectangle *strong_pos,  PangoRectangle *weak_pos);
854 		pango_layout_get_cursor_pos(pangoLayout, index, strongPos, weakPos);
855 	}
856 	
857 	/**
858 	 * Computes a new cursor position from an old position and
859 	 * a count of positions to move visually. If direction is positive,
860 	 * then the new strong cursor position will be one position
861 	 * to the right of the old cursor position. If direction is negative,
862 	 * then the new strong cursor position will be one position
863 	 * to the left of the old cursor position.
864 	 * In the presence of bidirectional text, the correspondence
865 	 * between logical and visual order will depend on the direction
866 	 * of the current run, and there may be jumps when the cursor
867 	 * is moved off of the end of a run.
868 	 * Motion here is in cursor positions, not in characters, so a
869 	 * single call to pango_layout_move_cursor_visually() may move the
870 	 * cursor over multiple characters when multiple characters combine
871 	 * to form a single grapheme.
872 	 * Params:
873 	 * strong = whether the moving cursor is the strong cursor or the
874 	 * weak cursor. The strong cursor is the cursor corresponding
875 	 * to text insertion in the base direction for the layout.
876 	 * oldIndex = the byte index of the grapheme for the old index
877 	 * oldTrailing = if 0, the cursor was at the trailing edge of the
878 	 * grapheme indicated by old_index, if > 0, the cursor
879 	 * was at the leading edge.
880 	 * direction = direction to move cursor. A negative
881 	 * value indicates motion to the left.
882 	 * newIndex = location to store the new cursor byte index. A value of -1
883 	 * indicates that the cursor has been moved off the beginning
884 	 * of the layout. A value of G_MAXINT indicates that
885 	 * the cursor has been moved off the end of the layout. [out]
886 	 * newTrailing = number of characters to move forward from the
887 	 * location returned for new_index to get the position
888 	 * where the cursor should be displayed. This allows
889 	 * distinguishing the position at the beginning of one
890 	 * line from the position at the end of the preceding
891 	 * line. new_index is always on the line where the
892 	 * cursor should be displayed. [out]
893 	 */
894 	public void moveCursorVisually(int strong, int oldIndex, int oldTrailing, int direction, out int newIndex, out int newTrailing)
895 	{
896 		// void pango_layout_move_cursor_visually (PangoLayout *layout,  gboolean strong,  int old_index,  int old_trailing,  int direction,  int *new_index,  int *new_trailing);
897 		pango_layout_move_cursor_visually(pangoLayout, strong, oldIndex, oldTrailing, direction, &newIndex, &newTrailing);
898 	}
899 	
900 	/**
901 	 * Computes the logical and ink extents of layout. Logical extents
902 	 * are usually what you want for positioning things. Note that both extents
903 	 * may have non-zero x and y. You may want to use those to offset where you
904 	 * render the layout. Not doing that is a very typical bug that shows up as
905 	 * right-to-left layouts not being correctly positioned in a layout with
906 	 * a set width.
907 	 * The extents are given in layout coordinates and in Pango units; layout
908 	 * coordinates begin at the top left corner of the layout.
909 	 * Params:
910 	 * inkRect = rectangle used to store the extents of the
911 	 * layout as drawn or NULL to indicate that the result is
912 	 * not needed. [out][allow-none]
913 	 * logicalRect = rectangle used to store the logical
914 	 * extents of the layout or NULL to indicate that the
915 	 * result is not needed. [out][allow-none]
916 	 */
917 	public void getExtents(PangoRectangle* inkRect, PangoRectangle* logicalRect)
918 	{
919 		// void pango_layout_get_extents (PangoLayout *layout,  PangoRectangle *ink_rect,  PangoRectangle *logical_rect);
920 		pango_layout_get_extents(pangoLayout, inkRect, logicalRect);
921 	}
922 	
923 	/**
924 	 * Computes the logical and ink extents of layout in device units.
925 	 * This function just calls pango_layout_get_extents() followed by
926 	 * two pango_extents_to_pixels() calls, rounding ink_rect and logical_rect
927 	 * such that the rounded rectangles fully contain the unrounded one (that is,
928 	 * passes them as first argument to pango_extents_to_pixels()).
929 	 * Params:
930 	 * inkRect = rectangle used to store the extents of the
931 	 * layout as drawn or NULL to indicate that the result is
932 	 * not needed. [out][allow-none]
933 	 * logicalRect = rectangle used to store the logical
934 	 * extents of the layout or NULL to indicate that the
935 	 * result is not needed. [out][allow-none]
936 	 */
937 	public void getPixelExtents(PangoRectangle* inkRect, PangoRectangle* logicalRect)
938 	{
939 		// void pango_layout_get_pixel_extents (PangoLayout *layout,  PangoRectangle *ink_rect,  PangoRectangle *logical_rect);
940 		pango_layout_get_pixel_extents(pangoLayout, inkRect, logicalRect);
941 	}
942 	
943 	/**
944 	 * Determines the logical width and height of a PangoLayout
945 	 * in Pango units (device units scaled by PANGO_SCALE). This
946 	 * is simply a convenience function around pango_layout_get_extents().
947 	 * Params:
948 	 * width = location to store the logical width, or NULL. [out caller-allocates][allow-none]
949 	 * height = location to store the logical height, or NULL. [out caller-allocates][allow-none]
950 	 */
951 	public void getSize(out int width, out int height)
952 	{
953 		// void pango_layout_get_size (PangoLayout *layout,  int *width,  int *height);
954 		pango_layout_get_size(pangoLayout, &width, &height);
955 	}
956 	
957 	/**
958 	 * Determines the logical width and height of a PangoLayout
959 	 * in device units. (pango_layout_get_size() returns the width
960 	 * and height scaled by PANGO_SCALE.) This
961 	 * is simply a convenience function around
962 	 * pango_layout_get_pixel_extents().
963 	 * Params:
964 	 * width = location to store the logical width, or NULL. [out][allow-none]
965 	 * height = location to store the logical height, or NULL. [out][allow-none]
966 	 */
967 	public void getPixelSize(out int width, out int height)
968 	{
969 		// void pango_layout_get_pixel_size (PangoLayout *layout,  int *width,  int *height);
970 		pango_layout_get_pixel_size(pangoLayout, &width, &height);
971 	}
972 	
973 	/**
974 	 * Gets the Y position of baseline of the first line in layout.
975 	 * Since 1.22
976 	 * Returns: baseline of first line, from top of layout.
977 	 */
978 	public int getBaseline()
979 	{
980 		// int pango_layout_get_baseline (PangoLayout *layout);
981 		return pango_layout_get_baseline(pangoLayout);
982 	}
983 	
984 	/**
985 	 * Retrieves the count of lines for the layout.
986 	 * Returns: the line count.
987 	 */
988 	public int getLineCount()
989 	{
990 		// int pango_layout_get_line_count (PangoLayout *layout);
991 		return pango_layout_get_line_count(pangoLayout);
992 	}
993 	
994 	/**
995 	 * Retrieves a particular line from a PangoLayout.
996 	 * Use the faster pango_layout_get_line_readonly() if you do not plan
997 	 * to modify the contents of the line (glyphs, glyph widths, etc.).
998 	 * Params:
999 	 * line = the index of a line, which must be between 0 and
1000 	 * pango_layout_get_line_count(layout) - 1, inclusive.
1001 	 * Returns: the requested PangoLayoutLine, or NULL if the index is out of range. This layout line can be ref'ed and retained, but will become invalid if changes are made to the PangoLayout. [transfer none]
1002 	 */
1003 	public PgLayoutLine getLine(int line)
1004 	{
1005 		// PangoLayoutLine * pango_layout_get_line (PangoLayout *layout,  int line);
1006 		auto p = pango_layout_get_line(pangoLayout, line);
1007 		
1008 		if(p is null)
1009 		{
1010 			return null;
1011 		}
1012 		
1013 		return ObjectG.getDObject!(PgLayoutLine)(cast(PangoLayoutLine*) p);
1014 	}
1015 	
1016 	/**
1017 	 * Retrieves a particular line from a PangoLayout.
1018 	 * This is a faster alternative to pango_layout_get_line(),
1019 	 * but the user is not expected
1020 	 * to modify the contents of the line (glyphs, glyph widths, etc.).
1021 	 * Since 1.16
1022 	 * Params:
1023 	 * line = the index of a line, which must be between 0 and
1024 	 * pango_layout_get_line_count(layout) - 1, inclusive.
1025 	 * Returns: the requested PangoLayoutLine, or NULL if the index is out of range. This layout line can be ref'ed and retained, but will become invalid if changes are made to the PangoLayout. No changes should be made to the line. [transfer none]
1026 	 */
1027 	public PgLayoutLine getLineReadonly(int line)
1028 	{
1029 		// PangoLayoutLine * pango_layout_get_line_readonly (PangoLayout *layout,  int line);
1030 		auto p = pango_layout_get_line_readonly(pangoLayout, line);
1031 		
1032 		if(p is null)
1033 		{
1034 			return null;
1035 		}
1036 		
1037 		return ObjectG.getDObject!(PgLayoutLine)(cast(PangoLayoutLine*) p);
1038 	}
1039 	
1040 	/**
1041 	 * Returns the lines of the layout as a list.
1042 	 * Use the faster pango_layout_get_lines_readonly() if you do not plan
1043 	 * to modify the contents of the lines (glyphs, glyph widths, etc.).
1044 	 * Returns: a GSList containing the lines in the layout. This points to internal data of the PangoLayout and must be used with care. It will become invalid on any change to the layout's text or properties. [element-type Pango.LayoutLine][transfer none]
1045 	 */
1046 	public ListSG getLines()
1047 	{
1048 		// GSList * pango_layout_get_lines (PangoLayout *layout);
1049 		auto p = pango_layout_get_lines(pangoLayout);
1050 		
1051 		if(p is null)
1052 		{
1053 			return null;
1054 		}
1055 		
1056 		return ObjectG.getDObject!(ListSG)(cast(GSList*) p);
1057 	}
1058 	
1059 	/**
1060 	 * Returns the lines of the layout as a list.
1061 	 * This is a faster alternative to pango_layout_get_lines(),
1062 	 * but the user is not expected
1063 	 * to modify the contents of the lines (glyphs, glyph widths, etc.).
1064 	 * Since 1.16
1065 	 * Returns: a GSList containing the lines in the layout. This points to internal data of the PangoLayout and must be used with care. It will become invalid on any change to the layout's text or properties. No changes should be made to the lines. [element-type Pango.LayoutLine][transfer none]
1066 	 */
1067 	public ListSG getLinesReadonly()
1068 	{
1069 		// GSList * pango_layout_get_lines_readonly (PangoLayout *layout);
1070 		auto p = pango_layout_get_lines_readonly(pangoLayout);
1071 		
1072 		if(p is null)
1073 		{
1074 			return null;
1075 		}
1076 		
1077 		return ObjectG.getDObject!(ListSG)(cast(GSList*) p);
1078 	}
1079 	
1080 	/**
1081 	 * Returns an iterator to iterate over the visual extents of the layout.
1082 	 * Returns: the new PangoLayoutIter that should be freed using pango_layout_iter_free().
1083 	 */
1084 	public PgLayoutIter getIter()
1085 	{
1086 		// PangoLayoutIter * pango_layout_get_iter (PangoLayout *layout);
1087 		auto p = pango_layout_get_iter(pangoLayout);
1088 		
1089 		if(p is null)
1090 		{
1091 			return null;
1092 		}
1093 		
1094 		return ObjectG.getDObject!(PgLayoutIter)(cast(PangoLayoutIter*) p);
1095 	}
1096 }