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      1 <?xml version="1.0" encoding="UTF-8"?>
      2 <protocol name="input_method_unstable_v1">
      3 
      4   <copyright>
      5     Copyright  2012, 2013 Intel Corporation
      6 
      7     Permission is hereby granted, free of charge, to any person obtaining a
      8     copy of this software and associated documentation files (the "Software"),
      9     to deal in the Software without restriction, including without limitation
     10     the rights to use, copy, modify, merge, publish, distribute, sublicense,
     11     and/or sell copies of the Software, and to permit persons to whom the
     12     Software is furnished to do so, subject to the following conditions:
     13 
     14     The above copyright notice and this permission notice (including the next
     15     paragraph) shall be included in all copies or substantial portions of the
     16     Software.
     17 
     18     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     19     IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     20     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     21     THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     22     LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     23     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     24     DEALINGS IN THE SOFTWARE.
     25   </copyright>
     26 
     27   <interface name="zwp_input_method_context_v1" version="1">
     28     <description summary="input method context">
     29       Corresponds to a text input on the input method side. An input method context
     30       is created on text input activation on the input method side. It allows
     31       receiving information about the text input from the application via events.
     32       Input method contexts do not keep state after deactivation and should be
     33       destroyed after deactivation is handled.
     34 
     35       Text is generally UTF-8 encoded, indices and lengths are in bytes.
     36 
     37       Serials are used to synchronize the state between the text input and
     38       an input method. New serials are sent by the text input in the
     39       commit_state request and are used by the input method to indicate
     40       the known text input state in events like preedit_string, commit_string,
     41       and keysym. The text input can then ignore events from the input method
     42       which are based on an outdated state (for example after a reset).
     43 
     44       Warning! The protocol described in this file is experimental and
     45       backward incompatible changes may be made. Backward compatible changes
     46       may be added together with the corresponding interface version bump.
     47       Backward incompatible changes are done by bumping the version number in
     48       the protocol and interface names and resetting the interface version.
     49       Once the protocol is to be declared stable, the 'z' prefix and the
     50       version number in the protocol and interface names are removed and the
     51       interface version number is reset.
     52     </description>
     53 
     54     <request name="destroy" type="destructor"/>
     55 
     56     <request name="commit_string">
     57       <description summary="commit string">
     58 	Send the commit string text for insertion to the application.
     59 
     60 	The text to commit could be either just a single character after a key
     61 	press or the result of some composing (pre-edit). It could be also an
     62 	empty text when some text should be removed (see
     63 	delete_surrounding_text) or when the input cursor should be moved (see
     64 	cursor_position).
     65 
     66 	Any previously set composing text will be removed.
     67       </description>
     68       <arg name="serial" type="uint" summary="serial of the latest known text input state"/>
     69       <arg name="text" type="string"/>
     70     </request>
     71 
     72     <request name="preedit_string">
     73       <description summary="pre-edit string">
     74 	Send the pre-edit string text to the application text input.
     75 
     76 	The commit text can be used to replace the pre-edit text on reset (for
     77 	example on unfocus).
     78 
     79 	Previously sent preedit_style and preedit_cursor requests are also
     80 	processed by the text_input.
     81       </description>
     82       <arg name="serial" type="uint" summary="serial of the latest known text input state"/>
     83       <arg name="text" type="string"/>
     84       <arg name="commit" type="string"/>
     85     </request>
     86 
     87     <request name="preedit_styling">
     88       <description summary="pre-edit styling">
     89 	Set the styling information on composing text. The style is applied for
     90 	length in bytes from index relative to the beginning of
     91 	the composing text (as byte offset). Multiple styles can
     92 	be applied to a composing text.
     93 
     94 	This request should be sent before sending a preedit_string request.
     95       </description>
     96       <arg name="index" type="uint"/>
     97       <arg name="length" type="uint"/>
     98       <arg name="style" type="uint"/>
     99     </request>
    100 
    101     <request name="preedit_cursor">
    102       <description summary="pre-edit cursor">
    103 	Set the cursor position inside the composing text (as byte offset)
    104 	relative to the start of the composing text.
    105 
    106 	When index is negative no cursor should be displayed.
    107 
    108 	This request should be sent before sending a preedit_string request.
    109       </description>
    110       <arg name="index" type="int"/>
    111     </request>
    112 
    113     <request name="delete_surrounding_text">
    114       <description summary="delete text">
    115 	Remove the surrounding text.
    116 
    117 	This request will be handled on the text_input side directly following
    118 	a commit_string request.
    119       </description>
    120       <arg name="index" type="int"/>
    121       <arg name="length" type="uint"/>
    122     </request>
    123 
    124     <request name="cursor_position">
    125       <description summary="set cursor to a new position">
    126 	Set the cursor and anchor to a new position. Index is the new cursor
    127 	position in bytes (when >= 0 this is relative to the end of the inserted text,
    128 	otherwise it is relative to the beginning of the inserted text). Anchor is
    129 	the new anchor position in bytes (when >= 0 this is relative to the end of the
    130 	inserted text, otherwise it is relative to the beginning of the inserted
    131 	text). When there should be no selected text, anchor should be the same
    132 	as index.
    133 
    134 	This request will be handled on the text_input side directly following
    135 	a commit_string request.
    136       </description>
    137       <arg name="index" type="int"/>
    138       <arg name="anchor" type="int"/>
    139     </request>
    140 
    141     <request name="modifiers_map">
    142       <arg name="map" type="array"/>
    143     </request>
    144 
    145     <request name="keysym">
    146       <description summary="keysym">
    147 	Notify when a key event was sent. Key events should not be used for
    148 	normal text input operations, which should be done with commit_string,
    149 	delete_surrounding_text, etc. The key event follows the wl_keyboard key
    150 	event convention. Sym is an XKB keysym, state is a wl_keyboard key_state.
    151       </description>
    152       <arg name="serial" type="uint" summary="serial of the latest known text input state"/>
    153       <arg name="time" type="uint"/>
    154       <arg name="sym" type="uint"/>
    155       <arg name="state" type="uint"/>
    156       <arg name="modifiers" type="uint"/>
    157     </request>
    158 
    159     <request name="grab_keyboard">
    160       <description summary="grab hardware keyboard">
    161 	Allow an input method to receive hardware keyboard input and process
    162 	key events to generate text events (with pre-edit) over the wire. This
    163 	allows input methods which compose multiple key events for inputting
    164 	text like it is done for CJK languages.
    165       </description>
    166       <arg name="keyboard" type="new_id" interface="wl_keyboard"/>
    167     </request>
    168 
    169     <request name="key">
    170       <description summary="forward key event">
    171 	Forward a wl_keyboard::key event to the client that was not processed
    172 	by the input method itself. Should be used when filtering key events
    173 	with grab_keyboard.  The arguments should be the ones from the
    174 	wl_keyboard::key event.
    175 
    176 	For generating custom key events use the keysym request instead.
    177       </description>
    178       <arg name="serial" type="uint" summary="serial from wl_keyboard::key"/>
    179       <arg name="time" type="uint" summary="time from wl_keyboard::key"/>
    180       <arg name="key" type="uint" summary="key from wl_keyboard::key"/>
    181       <arg name="state" type="uint" summary="state from wl_keyboard::key"/>
    182     </request>
    183 
    184     <request name="modifiers">
    185       <description summary="forward modifiers event">
    186 	Forward a wl_keyboard::modifiers event to the client that was not
    187 	processed by the input method itself.  Should be used when filtering
    188 	key events with grab_keyboard. The arguments should be the ones
    189 	from the wl_keyboard::modifiers event.
    190       </description>
    191       <arg name="serial" type="uint" summary="serial from wl_keyboard::modifiers"/>
    192       <arg name="mods_depressed" type="uint" summary="mods_depressed from wl_keyboard::modifiers"/>
    193       <arg name="mods_latched" type="uint" summary="mods_latched from wl_keyboard::modifiers"/>
    194       <arg name="mods_locked" type="uint" summary="mods_locked from wl_keyboard::modifiers"/>
    195       <arg name="group" type="uint" summary="group from wl_keyboard::modifiers"/>
    196     </request>
    197 
    198     <request name="language">
    199       <arg name="serial" type="uint" summary="serial of the latest known text input state"/>
    200       <arg name="language" type="string"/>
    201     </request>
    202 
    203     <request name="text_direction">
    204       <arg name="serial" type="uint" summary="serial of the latest known text input state"/>
    205       <arg name="direction" type="uint"/>
    206     </request>
    207 
    208     <event name="surrounding_text">
    209       <description summary="surrounding text event">
    210 	The plain surrounding text around the input position. Cursor is the
    211 	position in bytes within the surrounding text relative to the beginning
    212 	of the text. Anchor is the position in bytes of the selection anchor
    213 	within the surrounding text relative to the beginning of the text. If
    214 	there is no selected text then anchor is the same as cursor.
    215       </description>
    216       <arg name="text" type="string"/>
    217       <arg name="cursor" type="uint"/>
    218       <arg name="anchor" type="uint"/>
    219     </event>
    220 
    221     <event name="reset">
    222     </event>
    223 
    224     <event name="content_type">
    225       <arg name="hint" type="uint"/>
    226       <arg name="purpose" type="uint"/>
    227     </event>
    228 
    229     <event name="invoke_action">
    230       <arg name="button" type="uint"/>
    231       <arg name="index" type="uint"/>
    232     </event>
    233 
    234     <event name="commit_state">
    235       <arg name="serial" type="uint" summary="serial of text input state"/>
    236     </event>
    237 
    238     <event name="preferred_language">
    239       <arg name="language" type="string"/>
    240     </event>
    241   </interface>
    242 
    243   <interface name="zwp_input_method_v1" version="1">
    244     <description summary="input method">
    245       An input method object is responsible for composing text in response to
    246       input from hardware or virtual keyboards. There is one input method
    247       object per seat. On activate there is a new input method context object
    248       created which allows the input method to communicate with the text input.
    249     </description>
    250 
    251     <event name="activate">
    252       <description summary="activate event">
    253 	A text input was activated. Creates an input method context object
    254 	which allows communication with the text input.
    255       </description>
    256       <arg name="id" type="new_id" interface="zwp_input_method_context_v1"/>
    257     </event>
    258 
    259     <event name="deactivate">
    260       <description summary="deactivate event">
    261 	The text input corresponding to the context argument was deactivated.
    262 	The input method context should be destroyed after deactivation is
    263 	handled.
    264       </description>
    265       <arg name="context" type="object" interface="zwp_input_method_context_v1"/>
    266     </event>
    267   </interface>
    268 
    269   <interface name="zwp_input_panel_v1" version="1">
    270     <description summary="interface for implementing keyboards">
    271       Only one client can bind this interface at a time.
    272     </description>
    273 
    274     <request name="get_input_panel_surface">
    275       <arg name="id" type="new_id" interface="zwp_input_panel_surface_v1"/>
    276       <arg name="surface" type="object" interface="wl_surface"/>
    277     </request>
    278   </interface>
    279 
    280   <interface name="zwp_input_panel_surface_v1" version="1">
    281     <enum name="position">
    282       <entry name="center_bottom" value="0"/>
    283     </enum>
    284 
    285     <request name="set_toplevel">
    286       <description summary="set the surface type as a keyboard">
    287 	Set the input_panel_surface type to keyboard.
    288 
    289 	A keyboard surface is only shown when a text input is active.
    290       </description>
    291       <arg name="output" type="object" interface="wl_output"/>
    292       <arg name="position" type="uint"/>
    293     </request>
    294 
    295     <request name="set_overlay_panel">
    296       <description summary="set the surface type as an overlay panel">
    297 	Set the input_panel_surface to be an overlay panel.
    298 
    299 	This is shown near the input cursor above the application window when
    300 	a text input is active.
    301       </description>
    302     </request>
    303   </interface>
    304 
    305 </protocol>
    306