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      1 <?xml version="1.0" encoding="UTF-8"?>
      2 <protocol name="text_input_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_text_input_v1" version="1">
     28     <description summary="text input">
     29       An object used for text input. Adds support for text input and input
     30       methods to applications. A text_input object is created from a
     31       wl_text_input_manager and corresponds typically to a text entry in an
     32       application.
     33 
     34       Requests are used to activate/deactivate the text_input object and set
     35       state information like surrounding and selected text or the content type.
     36       The information about entered text is sent to the text_input object via
     37       the pre-edit and commit events. Using this interface removes the need
     38       for applications to directly process hardware key events and compose text
     39       out of them.
     40 
     41       Text is generally UTF-8 encoded, indices and lengths are in bytes.
     42 
     43       Serials are used to synchronize the state between the text input and
     44       an input method. New serials are sent by the text input in the
     45       commit_state request and are used by the input method to indicate
     46       the known text input state in events like preedit_string, commit_string,
     47       and keysym. The text input can then ignore events from the input method
     48       which are based on an outdated state (for example after a reset).
     49 
     50       Warning! The protocol described in this file is experimental and
     51       backward incompatible changes may be made. Backward compatible changes
     52       may be added together with the corresponding interface version bump.
     53       Backward incompatible changes are done by bumping the version number in
     54       the protocol and interface names and resetting the interface version.
     55       Once the protocol is to be declared stable, the 'z' prefix and the
     56       version number in the protocol and interface names are removed and the
     57       interface version number is reset.
     58     </description>
     59 
     60     <request name="activate">
     61       <description summary="request activation">
     62 	Requests the text_input object to be activated (typically when the
     63 	text entry gets focus).
     64 
     65 	The seat argument is a wl_seat which maintains the focus for this
     66 	activation. The surface argument is a wl_surface assigned to the
     67 	text_input object and tracked for focus lost. The enter event
     68 	is emitted on successful activation.
     69       </description>
     70       <arg name="seat" type="object" interface="wl_seat"/>
     71       <arg name="surface" type="object" interface="wl_surface"/>
     72     </request>
     73 
     74     <request name="deactivate">
     75       <description summary="request deactivation">
     76 	Requests the text_input object to be deactivated (typically when the
     77 	text entry lost focus). The seat argument is a wl_seat which was used
     78 	for activation.
     79       </description>
     80       <arg name="seat" type="object" interface="wl_seat"/>
     81     </request>
     82 
     83     <request name="show_input_panel">
     84       <description summary="show input panels">
     85 	Requests input panels (virtual keyboard) to show.
     86       </description>
     87     </request>
     88 
     89     <request name="hide_input_panel">
     90       <description summary="hide input panels">
     91 	Requests input panels (virtual keyboard) to hide.
     92       </description>
     93     </request>
     94 
     95     <request name="reset">
     96       <description summary="reset">
     97 	Should be called by an editor widget when the input state should be
     98 	reset, for example after the text was changed outside of the normal
     99 	input method flow.
    100       </description>
    101     </request>
    102 
    103     <request name="set_surrounding_text">
    104       <description summary="sets the surrounding text">
    105 	Sets the plain surrounding text around the input position. Text is
    106 	UTF-8 encoded. Cursor is the byte offset within the
    107 	surrounding text. Anchor is the byte offset of the
    108 	selection anchor within the surrounding text. If there is no selected
    109 	text anchor, then it is the same as cursor.
    110       </description>
    111       <arg name="text" type="string"/>
    112       <arg name="cursor" type="uint"/>
    113       <arg name="anchor" type="uint"/>
    114     </request>
    115 
    116     <enum name="content_hint">
    117       <description summary="content hint">
    118 	Content hint is a bitmask to allow to modify the behavior of the text
    119 	input.
    120       </description>
    121       <entry name="none" value="0x0" summary="no special behaviour"/>
    122       <entry name="default" value="0x7" summary="auto completion, correction and capitalization"/>
    123       <entry name="password" value="0xc0" summary="hidden and sensitive text"/>
    124       <entry name="auto_completion" value="0x1" summary="suggest word completions"/>
    125       <entry name="auto_correction" value="0x2" summary="suggest word corrections"/>
    126       <entry name="auto_capitalization" value="0x4" summary="switch to uppercase letters at the start of a sentence"/>
    127       <entry name="lowercase" value="0x8" summary="prefer lowercase letters"/>
    128       <entry name="uppercase" value="0x10" summary="prefer uppercase letters"/>
    129       <entry name="titlecase" value="0x20" summary="prefer casing for titles and headings (can be language dependent)"/>
    130       <entry name="hidden_text" value="0x40" summary="characters should be hidden"/>
    131       <entry name="sensitive_data" value="0x80" summary="typed text should not be stored"/>
    132       <entry name="latin" value="0x100" summary="just latin characters should be entered"/>
    133       <entry name="multiline" value="0x200" summary="the text input is multiline"/>
    134     </enum>
    135 
    136     <enum name="content_purpose">
    137       <description summary="content purpose">
    138 	The content purpose allows to specify the primary purpose of a text
    139 	input.
    140 
    141 	This allows an input method to show special purpose input panels with
    142 	extra characters or to disallow some characters.
    143       </description>
    144       <entry name="normal" value="0" summary="default input, allowing all characters"/>
    145       <entry name="alpha" value="1" summary="allow only alphabetic characters"/>
    146       <entry name="digits" value="2" summary="allow only digits"/>
    147       <entry name="number" value="3" summary="input a number (including decimal separator and sign)"/>
    148       <entry name="phone" value="4" summary="input a phone number"/>
    149       <entry name="url" value="5" summary="input an URL"/>
    150       <entry name="email" value="6" summary="input an email address"/>
    151       <entry name="name" value="7" summary="input a name of a person"/>
    152       <entry name="password" value="8" summary="input a password (combine with password or sensitive_data hint)"/>
    153       <entry name="date" value="9" summary="input a date"/>
    154       <entry name="time" value="10" summary="input a time"/>
    155       <entry name="datetime" value="11" summary="input a date and time"/>
    156       <entry name="terminal" value="12" summary="input for a terminal"/>
    157     </enum>
    158 
    159     <request name="set_content_type">
    160       <description summary="set content purpose and hint">
    161 	Sets the content purpose and content hint. While the purpose is the
    162 	basic purpose of an input field, the hint flags allow to modify some
    163 	of the behavior.
    164 
    165 	When no content type is explicitly set, a normal content purpose with
    166 	default hints (auto completion, auto correction, auto capitalization)
    167 	should be assumed.
    168       </description>
    169       <arg name="hint" type="uint"/>
    170       <arg name="purpose" type="uint"/>
    171     </request>
    172 
    173     <request name="set_cursor_rectangle">
    174       <arg name="x" type="int"/>
    175       <arg name="y" type="int"/>
    176       <arg name="width" type="int"/>
    177       <arg name="height" type="int"/>
    178     </request>
    179 
    180     <request name="set_preferred_language">
    181       <description summary="sets preferred language">
    182 	Sets a specific language. This allows for example a virtual keyboard to
    183 	show a language specific layout. The "language" argument is an RFC-3066
    184 	format language tag.
    185 
    186 	It could be used for example in a word processor to indicate the
    187 	language of the currently edited document or in an instant message
    188 	application which tracks languages of contacts.
    189       </description>
    190       <arg name="language" type="string"/>
    191     </request>
    192 
    193     <request name="commit_state">
    194       <arg name="serial" type="uint" summary="used to identify the known state"/>
    195     </request>
    196 
    197     <request name="invoke_action">
    198       <arg name="button" type="uint"/>
    199       <arg name="index" type="uint"/>
    200     </request>
    201 
    202     <event name="enter">
    203       <description summary="enter event">
    204 	Notify the text_input object when it received focus. Typically in
    205 	response to an activate request.
    206       </description>
    207       <arg name="surface" type="object" interface="wl_surface"/>
    208     </event>
    209 
    210     <event name="leave">
    211       <description summary="leave event">
    212 	Notify the text_input object when it lost focus. Either in response
    213 	to a deactivate request or when the assigned surface lost focus or was
    214 	destroyed.
    215       </description>
    216     </event>
    217 
    218     <event name="modifiers_map">
    219       <description summary="modifiers map">
    220 	Transfer an array of 0-terminated modifier names. The position in
    221 	the array is the index of the modifier as used in the modifiers
    222 	bitmask in the keysym event.
    223       </description>
    224       <arg name="map" type="array"/>
    225     </event>
    226 
    227     <event name="input_panel_state">
    228       <description summary="state of the input panel">
    229 	Notify when the visibility state of the input panel changed.
    230       </description>
    231       <arg name="state" type="uint"/>
    232     </event>
    233 
    234     <event name="preedit_string">
    235       <description summary="pre-edit">
    236 	Notify when a new composing text (pre-edit) should be set around the
    237 	current cursor position. Any previously set composing text should
    238 	be removed.
    239 
    240 	The commit text can be used to replace the preedit text on reset
    241 	(for example on unfocus).
    242 
    243 	The text input should also handle all preedit_style and preedit_cursor
    244 	events occurring directly before preedit_string.
    245       </description>
    246       <arg name="serial" type="uint" summary="serial of the latest known text input state"/>
    247       <arg name="text" type="string"/>
    248       <arg name="commit" type="string"/>
    249     </event>
    250 
    251     <enum name="preedit_style">
    252       <entry name="default" value="0" summary="default style for composing text"/>
    253       <entry name="none" value="1" summary="style should be the same as in non-composing text"/>
    254       <entry name="active" value="2"/>
    255       <entry name="inactive" value="3"/>
    256       <entry name="highlight" value="4"/>
    257       <entry name="underline" value="5"/>
    258       <entry name="selection" value="6"/>
    259       <entry name="incorrect" value="7"/>
    260     </enum>
    261 
    262     <event name="preedit_styling">
    263       <description summary="pre-edit styling">
    264 	Sets styling information on composing text. The style is applied for
    265 	length bytes from index relative to the beginning of the composing
    266 	text (as byte offset). Multiple styles can
    267 	be applied to a composing text by sending multiple preedit_styling
    268 	events.
    269 
    270 	This event is handled as part of a following preedit_string event.
    271       </description>
    272       <arg name="index" type="uint"/>
    273       <arg name="length" type="uint"/>
    274       <arg name="style" type="uint"/>
    275     </event>
    276 
    277     <event name="preedit_cursor">
    278       <description summary="pre-edit cursor">
    279 	Sets the cursor position inside the composing text (as byte
    280 	offset) relative to the start of the composing text. When index is a
    281 	negative number no cursor is shown.
    282 
    283 	This event is handled as part of a following preedit_string event.
    284       </description>
    285       <arg name="index" type="int"/>
    286     </event>
    287 
    288     <event name="commit_string">
    289       <description summary="commit">
    290 	Notify when text should be inserted into the editor widget. The text to
    291 	commit could be either just a single character after a key press or the
    292 	result of some composing (pre-edit). It could also be an empty text
    293 	when some text should be removed (see delete_surrounding_text) or when
    294 	the input cursor should be moved (see cursor_position).
    295 
    296 	Any previously set composing text should be removed.
    297       </description>
    298       <arg name="serial" type="uint" summary="serial of the latest known text input state"/>
    299       <arg name="text" type="string"/>
    300     </event>
    301 
    302     <event name="cursor_position">
    303       <description summary="set cursor to new position">
    304 	Notify when the cursor or anchor position should be modified.
    305 
    306 	This event should be handled as part of a following commit_string
    307 	event.
    308       </description>
    309       <arg name="index" type="int"/>
    310       <arg name="anchor" type="int"/>
    311     </event>
    312 
    313     <event name="delete_surrounding_text">
    314       <description summary="delete surrounding text">
    315 	Notify when the text around the current cursor position should be
    316 	deleted.
    317 
    318 	Index is relative to the current cursor (in bytes).
    319 	Length is the length of deleted text (in bytes).
    320 
    321 	This event should be handled as part of a following commit_string
    322 	event.
    323       </description>
    324       <arg name="index" type="int"/>
    325       <arg name="length" type="uint"/>
    326     </event>
    327 
    328     <event name="keysym">
    329       <description summary="keysym">
    330 	Notify when a key event was sent. Key events should not be used
    331 	for normal text input operations, which should be done with
    332 	commit_string, delete_surrounding_text, etc. The key event follows
    333 	the wl_keyboard key event convention. Sym is an XKB keysym, state a
    334 	wl_keyboard key_state. Modifiers are a mask for effective modifiers
    335 	(where the modifier indices are set by the modifiers_map event)
    336       </description>
    337       <arg name="serial" type="uint" summary="serial of the latest known text input state"/>
    338       <arg name="time" type="uint"/>
    339       <arg name="sym" type="uint"/>
    340       <arg name="state" type="uint"/>
    341       <arg name="modifiers" type="uint"/>
    342     </event>
    343 
    344     <event name="language">
    345       <description summary="language">
    346 	Sets the language of the input text. The "language" argument is an
    347 	RFC-3066 format language tag.
    348       </description>
    349       <arg name="serial" type="uint" summary="serial of the latest known text input state"/>
    350       <arg name="language" type="string"/>
    351     </event>
    352 
    353     <enum name="text_direction">
    354       <entry name="auto" value="0" summary="automatic text direction based on text and language"/>
    355       <entry name="ltr" value="1" summary="left-to-right"/>
    356       <entry name="rtl" value="2" summary="right-to-left"/>
    357     </enum>
    358 
    359     <event name="text_direction">
    360       <description summary="text direction">
    361 	Sets the text direction of input text.
    362 
    363 	It is mainly needed for showing an input cursor on the correct side of
    364 	the editor when there is no input done yet and making sure neutral
    365 	direction text is laid out properly.
    366       </description>
    367       <arg name="serial" type="uint" summary="serial of the latest known text input state"/>
    368       <arg name="direction" type="uint"/>
    369     </event>
    370   </interface>
    371 
    372   <interface name="zwp_text_input_manager_v1" version="1">
    373     <description summary="text input manager">
    374       A factory for text_input objects. This object is a global singleton.
    375     </description>
    376 
    377     <request name="create_text_input">
    378       <description summary="create text input">
    379 	Creates a new text_input object.
    380       </description>
    381       <arg name="id" type="new_id" interface="zwp_text_input_v1"/>
    382     </request>
    383   </interface>
    384 
    385 </protocol>
    386