2 * uterm - Linux User-Space Terminal
4 * Copyright (c) 2011-2012 David Herrmann <dh.herrmann@googlemail.com>
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files
8 * (the "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
21 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 /* Internal definitions */
35 #include <xkbcommon/xkbcommon-keysyms.h>
43 int (*init) (struct kbd_desc **out, const char *layout,
44 const char *variant, const char *options);
45 void (*ref) (struct kbd_desc *desc);
46 void (*unref) (struct kbd_desc *desc);
47 int (*alloc) (struct kbd_desc *desc, struct kbd_dev **out);
48 void (*keysym_to_string) (uint32_t keysym, char *str, size_t size);
49 int (*string_to_keysym) (const char *n, uint32_t *out);
53 void (*ref) (struct kbd_dev *dev);
54 void (*unref) (struct kbd_dev *dev);
55 void (*reset) (struct kbd_dev *dev, const unsigned long *ledbits);
56 int (*process) (struct kbd_dev *dev, uint16_t state, uint16_t code,
57 struct uterm_input_event *out);
68 static const bool plain_available = true;
69 extern const struct kbd_desc_ops plain_desc_ops;
70 extern const struct kbd_dev_ops plain_dev_ops;
72 extern int plain_string_to_keysym(const char *n, uint32_t *out);
74 #ifdef BUILD_ENABLE_XKBCOMMON
77 struct xkb_context *ctx;
78 struct xkb_keymap *keymap;
82 struct xkb_state *state;
85 static const bool uxkb_available = true;
86 extern const struct kbd_desc_ops uxkb_desc_ops;
87 extern const struct kbd_dev_ops uxkb_dev_ops;
89 extern int uxkb_string_to_keysym(const char *n, uint32_t *out);
91 #else /* !BUILD_ENABLE_XKBCOMMON */
101 static const bool uxkb_available = false;
102 static const struct kbd_desc_ops uxkb_desc_ops;
103 static const struct kbd_dev_ops uxkb_dev_ops;
105 #endif /* BUILD_ENABLE_XKBCOMMON */
109 const struct kbd_desc_ops *ops;
112 struct plain_desc plain;
113 struct uxkb_desc uxkb;
119 struct kbd_desc *desc;
120 const struct kbd_dev_ops *ops;
123 struct plain_dev plain;
124 struct uxkb_dev uxkb;
133 static inline int kbd_desc_new(struct kbd_desc **out, const char *layout,
134 const char *variant, const char *options,
137 const struct kbd_desc_ops *ops;
141 if (!uxkb_available) {
142 log_error("XKB KBD backend not available");
145 ops = &uxkb_desc_ops;
148 if (!plain_available) {
149 log_error("plain KBD backend not available");
152 ops = &plain_desc_ops;
155 log_error("unknown KBD backend %u", mode);
159 return ops->init(out, layout, variant, options);
162 static inline void kbd_desc_ref(struct kbd_desc *desc)
167 return desc->ops->ref(desc);
170 static inline void kbd_desc_unref(struct kbd_desc *desc)
175 return desc->ops->unref(desc);
178 static inline int kbd_desc_alloc(struct kbd_desc *desc, struct kbd_dev **out)
183 return desc->ops->alloc(desc, out);
186 static inline void kbd_desc_keysym_to_string(struct kbd_desc *desc,
188 char *str, size_t size)
193 return desc->ops->keysym_to_string(keysym, str, size);
196 static inline int kbd_desc_string_to_keysym(struct kbd_desc *desc,
203 return desc->ops->string_to_keysym(n, out);
206 static inline void kbd_dev_ref(struct kbd_dev *dev)
211 return dev->ops->ref(dev);
214 static inline void kbd_dev_unref(struct kbd_dev *dev)
219 return dev->ops->unref(dev);
222 static inline void kbd_dev_reset(struct kbd_dev *dev,
223 const unsigned long *ledbits)
228 return dev->ops->reset(dev, ledbits);
231 static inline int kbd_dev_process(struct kbd_dev *dev,
234 struct uterm_input_event *out)
239 return dev->ops->process(dev, key_state, code, out);
242 static inline bool input_bit_is_set(const unsigned long *array, int bit)
244 return !!(array[bit / LONG_BIT] & (1LL << (bit % LONG_BIT)));
247 #endif /* UTERM_INPUT_H */