1/* gtkcellrenderer.h
2 * Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18#ifndef __GTK_CELL_RENDERER_H__
19#define __GTK_CELL_RENDERER_H__
20
21#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
22#error "Only <gtk/gtk.h> can be included directly."
23#endif
24
25#include <gtk/gtkcelleditable.h>
26
27G_BEGIN_DECLS
28
29
30/**
31 * GtkCellRendererState:
32 * @GTK_CELL_RENDERER_SELECTED: The cell is currently selected, and
33 * probably has a selection colored background to render to.
34 * @GTK_CELL_RENDERER_PRELIT: The mouse is hovering over the cell.
35 * @GTK_CELL_RENDERER_INSENSITIVE: The cell is drawn in an insensitive manner
36 * @GTK_CELL_RENDERER_SORTED: The cell is in a sorted row
37 * @GTK_CELL_RENDERER_FOCUSED: The cell is in the focus row.
38 * @GTK_CELL_RENDERER_EXPANDABLE: The cell is in a row that can be expanded. Since 3.4
39 * @GTK_CELL_RENDERER_EXPANDED: The cell is in a row that is expanded. Since 3.4
40 *
41 * Tells how a cell is to be rendered.
42 */
43typedef enum
44{
45 GTK_CELL_RENDERER_SELECTED = 1 << 0,
46 GTK_CELL_RENDERER_PRELIT = 1 << 1,
47 GTK_CELL_RENDERER_INSENSITIVE = 1 << 2,
48 /* this flag means the cell is in the sort column/row */
49 GTK_CELL_RENDERER_SORTED = 1 << 3,
50 GTK_CELL_RENDERER_FOCUSED = 1 << 4,
51 GTK_CELL_RENDERER_EXPANDABLE = 1 << 5,
52 GTK_CELL_RENDERER_EXPANDED = 1 << 6
53} GtkCellRendererState;
54
55/**
56 * GtkCellRendererMode:
57 * @GTK_CELL_RENDERER_MODE_INERT: The cell is just for display
58 * and cannot be interacted with. Note that this doesn’t mean that eg. the
59 * row being drawn can’t be selected -- just that a particular element of
60 * it cannot be individually modified.
61 * @GTK_CELL_RENDERER_MODE_ACTIVATABLE: The cell can be clicked.
62 * @GTK_CELL_RENDERER_MODE_EDITABLE: The cell can be edited or otherwise modified.
63 *
64 * Identifies how the user can interact with a particular cell.
65 */
66typedef enum
67{
68 GTK_CELL_RENDERER_MODE_INERT,
69 GTK_CELL_RENDERER_MODE_ACTIVATABLE,
70 GTK_CELL_RENDERER_MODE_EDITABLE
71} GtkCellRendererMode;
72
73#define GTK_TYPE_CELL_RENDERER (gtk_cell_renderer_get_type ())
74#define GTK_CELL_RENDERER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_CELL_RENDERER, GtkCellRenderer))
75#define GTK_CELL_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_CELL_RENDERER, GtkCellRendererClass))
76#define GTK_IS_CELL_RENDERER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_CELL_RENDERER))
77#define GTK_IS_CELL_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CELL_RENDERER))
78#define GTK_CELL_RENDERER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CELL_RENDERER, GtkCellRendererClass))
79
80typedef struct _GtkCellRenderer GtkCellRenderer;
81typedef struct _GtkCellRendererPrivate GtkCellRendererPrivate;
82typedef struct _GtkCellRendererClass GtkCellRendererClass;
83typedef struct _GtkCellRendererClassPrivate GtkCellRendererClassPrivate;
84
85struct _GtkCellRenderer
86{
87 GInitiallyUnowned parent_instance;
88
89 /*< private >*/
90 GtkCellRendererPrivate *priv;
91};
92
93/**
94 * GtkCellRendererClass:
95 * @get_request_mode: Called to gets whether the cell renderer prefers
96 * a height-for-width layout or a width-for-height layout.
97 * @get_preferred_width: Called to get a renderer’s natural width.
98 * @get_preferred_height_for_width: Called to get a renderer’s natural height for width.
99 * @get_preferred_height: Called to get a renderer’s natural height.
100 * @get_preferred_width_for_height: Called to get a renderer’s natural width for height.
101 * @get_aligned_area: Called to get the aligned area used by @cell inside @cell_area.
102 * @get_size: Called to get the width and height needed to render the cell. Deprecated: 3.0.
103 * @render: Called to render the content of the #GtkCellRenderer.
104 * @activate: Called to activate the content of the #GtkCellRenderer.
105 * @start_editing: Called to initiate editing the content of the #GtkCellRenderer.
106 * @editing_canceled: Signal gets emitted when the user cancels the process of editing a cell.
107 * @editing_started: Signal gets emitted when a cell starts to be edited.
108 */
109struct _GtkCellRendererClass
110{
111 /*< private >*/
112 GInitiallyUnownedClass parent_class;
113
114 /*< public >*/
115
116 /* vtable - not signals */
117 GtkSizeRequestMode (* get_request_mode) (GtkCellRenderer *cell);
118 void (* get_preferred_width) (GtkCellRenderer *cell,
119 GtkWidget *widget,
120 gint *minimum_size,
121 gint *natural_size);
122 void (* get_preferred_height_for_width) (GtkCellRenderer *cell,
123 GtkWidget *widget,
124 gint width,
125 gint *minimum_height,
126 gint *natural_height);
127 void (* get_preferred_height) (GtkCellRenderer *cell,
128 GtkWidget *widget,
129 gint *minimum_size,
130 gint *natural_size);
131 void (* get_preferred_width_for_height) (GtkCellRenderer *cell,
132 GtkWidget *widget,
133 gint height,
134 gint *minimum_width,
135 gint *natural_width);
136 void (* get_aligned_area) (GtkCellRenderer *cell,
137 GtkWidget *widget,
138 GtkCellRendererState flags,
139 const GdkRectangle *cell_area,
140 GdkRectangle *aligned_area);
141 void (* get_size) (GtkCellRenderer *cell,
142 GtkWidget *widget,
143 const GdkRectangle *cell_area,
144 gint *x_offset,
145 gint *y_offset,
146 gint *width,
147 gint *height);
148 void (* render) (GtkCellRenderer *cell,
149 cairo_t *cr,
150 GtkWidget *widget,
151 const GdkRectangle *background_area,
152 const GdkRectangle *cell_area,
153 GtkCellRendererState flags);
154 gboolean (* activate) (GtkCellRenderer *cell,
155 GdkEvent *event,
156 GtkWidget *widget,
157 const gchar *path,
158 const GdkRectangle *background_area,
159 const GdkRectangle *cell_area,
160 GtkCellRendererState flags);
161 GtkCellEditable * (* start_editing) (GtkCellRenderer *cell,
162 GdkEvent *event,
163 GtkWidget *widget,
164 const gchar *path,
165 const GdkRectangle *background_area,
166 const GdkRectangle *cell_area,
167 GtkCellRendererState flags);
168
169 /* Signals */
170 void (* editing_canceled) (GtkCellRenderer *cell);
171 void (* editing_started) (GtkCellRenderer *cell,
172 GtkCellEditable *editable,
173 const gchar *path);
174
175 /*< private >*/
176
177 GtkCellRendererClassPrivate *priv;
178
179 /* Padding for future expansion */
180 void (*_gtk_reserved2) (void);
181 void (*_gtk_reserved3) (void);
182 void (*_gtk_reserved4) (void);
183};
184
185GDK_AVAILABLE_IN_ALL
186GType gtk_cell_renderer_get_type (void) G_GNUC_CONST;
187
188GDK_AVAILABLE_IN_ALL
189GtkSizeRequestMode gtk_cell_renderer_get_request_mode (GtkCellRenderer *cell);
190GDK_AVAILABLE_IN_ALL
191void gtk_cell_renderer_get_preferred_width (GtkCellRenderer *cell,
192 GtkWidget *widget,
193 gint *minimum_size,
194 gint *natural_size);
195GDK_AVAILABLE_IN_ALL
196void gtk_cell_renderer_get_preferred_height_for_width (GtkCellRenderer *cell,
197 GtkWidget *widget,
198 gint width,
199 gint *minimum_height,
200 gint *natural_height);
201GDK_AVAILABLE_IN_ALL
202void gtk_cell_renderer_get_preferred_height (GtkCellRenderer *cell,
203 GtkWidget *widget,
204 gint *minimum_size,
205 gint *natural_size);
206GDK_AVAILABLE_IN_ALL
207void gtk_cell_renderer_get_preferred_width_for_height (GtkCellRenderer *cell,
208 GtkWidget *widget,
209 gint height,
210 gint *minimum_width,
211 gint *natural_width);
212GDK_AVAILABLE_IN_ALL
213void gtk_cell_renderer_get_preferred_size (GtkCellRenderer *cell,
214 GtkWidget *widget,
215 GtkRequisition *minimum_size,
216 GtkRequisition *natural_size);
217GDK_AVAILABLE_IN_ALL
218void gtk_cell_renderer_get_aligned_area (GtkCellRenderer *cell,
219 GtkWidget *widget,
220 GtkCellRendererState flags,
221 const GdkRectangle *cell_area,
222 GdkRectangle *aligned_area);
223
224GDK_DEPRECATED_IN_3_0_FOR(gtk_cell_renderer_get_preferred_size)
225void gtk_cell_renderer_get_size (GtkCellRenderer *cell,
226 GtkWidget *widget,
227 const GdkRectangle *cell_area,
228 gint *x_offset,
229 gint *y_offset,
230 gint *width,
231 gint *height);
232GDK_AVAILABLE_IN_ALL
233void gtk_cell_renderer_render (GtkCellRenderer *cell,
234 cairo_t *cr,
235 GtkWidget *widget,
236 const GdkRectangle *background_area,
237 const GdkRectangle *cell_area,
238 GtkCellRendererState flags);
239GDK_AVAILABLE_IN_ALL
240gboolean gtk_cell_renderer_activate (GtkCellRenderer *cell,
241 GdkEvent *event,
242 GtkWidget *widget,
243 const gchar *path,
244 const GdkRectangle *background_area,
245 const GdkRectangle *cell_area,
246 GtkCellRendererState flags);
247GDK_AVAILABLE_IN_ALL
248GtkCellEditable *gtk_cell_renderer_start_editing (GtkCellRenderer *cell,
249 GdkEvent *event,
250 GtkWidget *widget,
251 const gchar *path,
252 const GdkRectangle *background_area,
253 const GdkRectangle *cell_area,
254 GtkCellRendererState flags);
255
256GDK_AVAILABLE_IN_ALL
257void gtk_cell_renderer_set_fixed_size (GtkCellRenderer *cell,
258 gint width,
259 gint height);
260GDK_AVAILABLE_IN_ALL
261void gtk_cell_renderer_get_fixed_size (GtkCellRenderer *cell,
262 gint *width,
263 gint *height);
264
265GDK_AVAILABLE_IN_ALL
266void gtk_cell_renderer_set_alignment (GtkCellRenderer *cell,
267 gfloat xalign,
268 gfloat yalign);
269GDK_AVAILABLE_IN_ALL
270void gtk_cell_renderer_get_alignment (GtkCellRenderer *cell,
271 gfloat *xalign,
272 gfloat *yalign);
273
274GDK_AVAILABLE_IN_ALL
275void gtk_cell_renderer_set_padding (GtkCellRenderer *cell,
276 gint xpad,
277 gint ypad);
278GDK_AVAILABLE_IN_ALL
279void gtk_cell_renderer_get_padding (GtkCellRenderer *cell,
280 gint *xpad,
281 gint *ypad);
282
283GDK_AVAILABLE_IN_ALL
284void gtk_cell_renderer_set_visible (GtkCellRenderer *cell,
285 gboolean visible);
286GDK_AVAILABLE_IN_ALL
287gboolean gtk_cell_renderer_get_visible (GtkCellRenderer *cell);
288
289GDK_AVAILABLE_IN_ALL
290void gtk_cell_renderer_set_sensitive (GtkCellRenderer *cell,
291 gboolean sensitive);
292GDK_AVAILABLE_IN_ALL
293gboolean gtk_cell_renderer_get_sensitive (GtkCellRenderer *cell);
294
295GDK_AVAILABLE_IN_ALL
296gboolean gtk_cell_renderer_is_activatable (GtkCellRenderer *cell);
297
298/* For use by cell renderer implementations only */
299GDK_AVAILABLE_IN_ALL
300void gtk_cell_renderer_stop_editing (GtkCellRenderer *cell,
301 gboolean canceled);
302
303
304void _gtk_cell_renderer_calc_offset (GtkCellRenderer *cell,
305 const GdkRectangle *cell_area,
306 GtkTextDirection direction,
307 gint width,
308 gint height,
309 gint *x_offset,
310 gint *y_offset);
311
312GDK_AVAILABLE_IN_ALL
313GtkStateFlags gtk_cell_renderer_get_state (GtkCellRenderer *cell,
314 GtkWidget *widget,
315 GtkCellRendererState cell_state);
316
317GDK_AVAILABLE_IN_ALL
318void gtk_cell_renderer_class_set_accessible_type
319 (GtkCellRendererClass *renderer_class,
320 GType type);
321GType _gtk_cell_renderer_get_accessible_type
322 (GtkCellRenderer * renderer);
323
324G_END_DECLS
325
326#endif /* __GTK_CELL_RENDERER_H__ */
327