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  = GtkCellAreaContext.html
27  * outPack = gtk
28  * outFile = CellAreaContext
29  * strct   = GtkCellAreaContext
30  * realStrct=
31  * ctorStrct=
32  * clss    = CellAreaContext
33  * interf  = 
34  * class Code: No
35  * interface Code: No
36  * template for:
37  * extend  = 
38  * implements:
39  * prefixes:
40  * 	- gtk_cell_renderer_accel_
41  * omit structs:
42  * omit prefixes:
43  * omit code:
44  * omit signals:
45  * imports:
46  * 	- gtk.CellArea
47  * structWrap:
48  * 	- GtkCellArea* -> CellArea
49  * module aliases:
50  * local aliases:
51  * overrides:
52  */
53 
54 module gtk.CellAreaContext;
55 
56 public  import gtkc.gtktypes;
57 
58 private import gtkc.gtk;
59 private import glib.ConstructionException;
60 private import gobject.ObjectG;
61 
62 
63 private import gtk.CellArea;
64 
65 
66 
67 private import gobject.ObjectG;
68 
69 /**
70  * The GtkCellAreaContext object is created by a given GtkCellArea
71  * implementation via its GtkCellAreaClass.create_context() virtual
72  * method and is used to store cell sizes and alignments for a series of
73  * GtkTreeModel rows that are requested and rendered in the same context.
74  *
75  * GtkCellLayout widgets can create any number of contexts in which to
76  * request and render groups of data rows. However, it's important that the
77  * same context which was used to request sizes for a given GtkTreeModel
78  * row also be used for the same row when calling other GtkCellArea APIs
79  * such as gtk_cell_area_render() and gtk_cell_area_event().
80  */
81 public class CellAreaContext : ObjectG
82 {
83 	
84 	/** the main Gtk struct */
85 	protected GtkCellAreaContext* gtkCellAreaContext;
86 	
87 	
88 	public GtkCellAreaContext* getCellAreaContextStruct()
89 	{
90 		return gtkCellAreaContext;
91 	}
92 	
93 	
94 	/** the main Gtk struct as a void* */
95 	protected override void* getStruct()
96 	{
97 		return cast(void*)gtkCellAreaContext;
98 	}
99 	
100 	/**
101 	 * Sets our main struct and passes it to the parent class
102 	 */
103 	public this (GtkCellAreaContext* gtkCellAreaContext)
104 	{
105 		super(cast(GObject*)gtkCellAreaContext);
106 		this.gtkCellAreaContext = gtkCellAreaContext;
107 	}
108 	
109 	protected override void setStruct(GObject* obj)
110 	{
111 		super.setStruct(obj);
112 		gtkCellAreaContext = cast(GtkCellAreaContext*)obj;
113 	}
114 	
115 	/**
116 	 */
117 	
118 	/**
119 	 * Fetches the GtkCellArea this context was created by.
120 	 * This is generally unneeded by layouting widgets; however,
121 	 * it is important for the context implementation itself to
122 	 * fetch information about the area it is being used for.
123 	 * For instance at GtkCellAreaContextClass.allocate() time
124 	 * it's important to know details about any cell spacing
125 	 * that the GtkCellArea is configured with in order to
126 	 * compute a proper allocation.
127 	 * Returns: the GtkCellArea this context was created by. [transfer none] Since 3.0
128 	 */
129 	public CellArea gtkCellAreaContextGetArea()
130 	{
131 		// GtkCellArea * gtk_cell_area_context_get_area (GtkCellAreaContext *context);
132 		auto p = gtk_cell_area_context_get_area(gtkCellAreaContext);
133 		
134 		if(p is null)
135 		{
136 			return null;
137 		}
138 		
139 		return ObjectG.getDObject!(CellArea)(cast(GtkCellArea*) p);
140 	}
141 	
142 	/**
143 	 * Allocates a width and/or a height for all rows which are to be
144 	 * rendered with context.
145 	 * Usually allocation is performed only horizontally or sometimes
146 	 * vertically since a group of rows are usually rendered side by
147 	 * side vertically or horizontally and share either the same width
148 	 * or the same height. Sometimes they are allocated in both horizontal
149 	 * and vertical orientations producing a homogeneous effect of the
150 	 * rows. This is generally the case for GtkTreeView when
151 	 * "fixed-height-mode" is enabled.
152 	 * Since 3.0
153 	 * Params:
154 	 * width = the allocated width for all GtkTreeModel rows rendered
155 	 * with context, or -1.
156 	 * height = the allocated height for all GtkTreeModel rows rendered
157 	 * with context, or -1.
158 	 */
159 	public void gtkCellAreaContextAllocate(int width, int height)
160 	{
161 		// void gtk_cell_area_context_allocate (GtkCellAreaContext *context,  gint width,  gint height);
162 		gtk_cell_area_context_allocate(gtkCellAreaContext, width, height);
163 	}
164 	
165 	/**
166 	 * Resets any previously cached request and allocation
167 	 * data.
168 	 * When underlying GtkTreeModel data changes its
169 	 * important to reset the context if the content
170 	 * size is allowed to shrink. If the content size
171 	 * is only allowed to grow (this is usually an option
172 	 * for views rendering large data stores as a measure
173 	 * of optimization), then only the row that changed
174 	 * or was inserted needs to be (re)requested with
175 	 * gtk_cell_area_get_preferred_width().
176 	 * When the new overall size of the context requires
177 	 * that the allocated size changes (or whenever this
178 	 * allocation changes at all), the variable row
179 	 * sizes need to be re-requested for every row.
180 	 * For instance, if the rows are displayed all with
181 	 * the same width from top to bottom then a change
182 	 * in the allocated width necessitates a recalculation
183 	 * of all the displayed row heights using
184 	 * gtk_cell_area_get_preferred_height_for_width().
185 	 * Since 3.0
186 	 */
187 	public void gtkCellAreaContextReset()
188 	{
189 		// void gtk_cell_area_context_reset (GtkCellAreaContext *context);
190 		gtk_cell_area_context_reset(gtkCellAreaContext);
191 	}
192 	
193 	/**
194 	 * Gets the accumulative preferred width for all rows which have been
195 	 * requested with this context.
196 	 * After gtk_cell_area_context_reset() is called and/or before ever
197 	 * requesting the size of a GtkCellArea, the returned values are 0.
198 	 * Params:
199 	 * minimumWidth = location to store the minimum width,
200 	 * or NULL. [out][allow-none]
201 	 * naturalWidth = location to store the natural width,
202 	 * or NULL. [out][allow-none]
203 	 * Since 3.0
204 	 */
205 	public void gtkCellAreaContextGetPreferredWidth(out int minimumWidth, out int naturalWidth)
206 	{
207 		// void gtk_cell_area_context_get_preferred_width  (GtkCellAreaContext *context,  gint *minimum_width,  gint *natural_width);
208 		gtk_cell_area_context_get_preferred_width(gtkCellAreaContext, &minimumWidth, &naturalWidth);
209 	}
210 	
211 	/**
212 	 * Gets the accumulative preferred height for all rows which have been
213 	 * requested with this context.
214 	 * After gtk_cell_area_context_reset() is called and/or before ever
215 	 * requesting the size of a GtkCellArea, the returned values are 0.
216 	 * Params:
217 	 * minimumHeight = location to store the minimum height,
218 	 * or NULL. [out][allow-none]
219 	 * naturalHeight = location to store the natural height,
220 	 * or NULL. [out][allow-none]
221 	 * Since 3.0
222 	 */
223 	public void gtkCellAreaContextGetPreferredHeight(out int minimumHeight, out int naturalHeight)
224 	{
225 		// void gtk_cell_area_context_get_preferred_height  (GtkCellAreaContext *context,  gint *minimum_height,  gint *natural_height);
226 		gtk_cell_area_context_get_preferred_height(gtkCellAreaContext, &minimumHeight, &naturalHeight);
227 	}
228 	
229 	/**
230 	 * Gets the accumulative preferred height for width for all rows
231 	 * which have been requested for the same said width with this context.
232 	 * After gtk_cell_area_context_reset() is called and/or before ever
233 	 * requesting the size of a GtkCellArea, the returned values are -1.
234 	 * Params:
235 	 * width = a proposed width for allocation
236 	 * minimumHeight = location to store the minimum height,
237 	 * or NULL. [out][allow-none]
238 	 * naturalHeight = location to store the natural height,
239 	 * or NULL. [out][allow-none]
240 	 * Since 3.0
241 	 */
242 	public void gtkCellAreaContextGetPreferredHeightForWidth(int width, out int minimumHeight, out int naturalHeight)
243 	{
244 		// void gtk_cell_area_context_get_preferred_height_for_width  (GtkCellAreaContext *context,  gint width,  gint *minimum_height,  gint *natural_height);
245 		gtk_cell_area_context_get_preferred_height_for_width(gtkCellAreaContext, width, &minimumHeight, &naturalHeight);
246 	}
247 	
248 	/**
249 	 * Gets the accumulative preferred width for height for all rows which
250 	 * have been requested for the same said height with this context.
251 	 * After gtk_cell_area_context_reset() is called and/or before ever
252 	 * requesting the size of a GtkCellArea, the returned values are -1.
253 	 * Params:
254 	 * height = a proposed height for allocation
255 	 * minimumWidth = location to store the minimum width,
256 	 * or NULL. [out][allow-none]
257 	 * naturalWidth = location to store the natural width,
258 	 * or NULL. [out][allow-none]
259 	 * Since 3.0
260 	 */
261 	public void gtkCellAreaContextGetPreferredWidthForHeight(int height, out int minimumWidth, out int naturalWidth)
262 	{
263 		// void gtk_cell_area_context_get_preferred_width_for_height  (GtkCellAreaContext *context,  gint height,  gint *minimum_width,  gint *natural_width);
264 		gtk_cell_area_context_get_preferred_width_for_height(gtkCellAreaContext, height, &minimumWidth, &naturalWidth);
265 	}
266 	
267 	/**
268 	 * Fetches the current allocation size for context.
269 	 * If the context was not allocated in width or height, or if the
270 	 * context was recently reset with gtk_cell_area_context_reset(),
271 	 * the returned value will be -1.
272 	 * Params:
273 	 * width = location to store the allocated width, or NULL. [out][allow-none]
274 	 * height = location to store the allocated height, or NULL. [out][allow-none]
275 	 * Since 3.0
276 	 */
277 	public void gtkCellAreaContextGetAllocation(out int width, out int height)
278 	{
279 		// void gtk_cell_area_context_get_allocation  (GtkCellAreaContext *context,  gint *width,  gint *height);
280 		gtk_cell_area_context_get_allocation(gtkCellAreaContext, &width, &height);
281 	}
282 	
283 	/**
284 	 * Causes the minimum and/or natural width to grow if the new
285 	 * proposed sizes exceed the current minimum and natural width.
286 	 * This is used by GtkCellAreaContext implementations during
287 	 * the request process over a series of GtkTreeModel rows to
288 	 * progressively push the requested width over a series of
289 	 * gtk_cell_area_get_preferred_width() requests.
290 	 * Params:
291 	 * minimumWidth = the proposed new minimum width for context
292 	 * naturalWidth = the proposed new natural width for context
293 	 * Since 3.0
294 	 */
295 	public void gtkCellAreaContextPushPreferredWidth(int minimumWidth, int naturalWidth)
296 	{
297 		// void gtk_cell_area_context_push_preferred_width  (GtkCellAreaContext *context,  gint minimum_width,  gint natural_width);
298 		gtk_cell_area_context_push_preferred_width(gtkCellAreaContext, minimumWidth, naturalWidth);
299 	}
300 	
301 	/**
302 	 * Causes the minimum and/or natural height to grow if the new
303 	 * proposed sizes exceed the current minimum and natural height.
304 	 * This is used by GtkCellAreaContext implementations during
305 	 * the request process over a series of GtkTreeModel rows to
306 	 * progressively push the requested height over a series of
307 	 * gtk_cell_area_get_preferred_height() requests.
308 	 * Params:
309 	 * minimumHeight = the proposed new minimum height for context
310 	 * naturalHeight = the proposed new natural height for context
311 	 * Since 3.0
312 	 */
313 	public void gtkCellAreaContextPushPreferredHeight(int minimumHeight, int naturalHeight)
314 	{
315 		// void gtk_cell_area_context_push_preferred_height  (GtkCellAreaContext *context,  gint minimum_height,  gint natural_height);
316 		gtk_cell_area_context_push_preferred_height(gtkCellAreaContext, minimumHeight, naturalHeight);
317 	}
318 }