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| 1 /* Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 * Use of this source code is governed by a BSD-style license that can be | |
| 3 * found in the LICENSE file. | |
| 4 */ | |
| 5 | |
| 6 /* From dev/ppb_text_input_dev.idl modified Thu Mar 28 10:54:47 2013. */ | |
| 7 | |
| 8 #ifndef PPAPI_C_DEV_PPB_TEXT_INPUT_DEV_H_ | |
| 9 #define PPAPI_C_DEV_PPB_TEXT_INPUT_DEV_H_ | |
| 10 | |
| 11 #include "ppapi/c/pp_instance.h" | |
| 12 #include "ppapi/c/pp_macros.h" | |
| 13 #include "ppapi/c/pp_point.h" | |
| 14 #include "ppapi/c/pp_rect.h" | |
| 15 #include "ppapi/c/pp_size.h" | |
| 16 #include "ppapi/c/pp_stdint.h" | |
| 17 | |
| 18 #define PPB_TEXTINPUT_DEV_INTERFACE_0_1 "PPB_TextInput(Dev);0.1" | |
| 19 #define PPB_TEXTINPUT_DEV_INTERFACE_0_2 "PPB_TextInput(Dev);0.2" | |
| 20 #define PPB_TEXTINPUT_DEV_INTERFACE PPB_TEXTINPUT_DEV_INTERFACE_0_2 | |
| 21 | |
| 22 /** | |
| 23 * @file | |
| 24 * This file defines the <code>PPB_TextInput_Dev</code> interface. | |
| 25 */ | |
| 26 | |
| 27 | |
| 28 /** | |
| 29 * @addtogroup Enums | |
| 30 * @{ | |
| 31 */ | |
| 32 /** | |
| 33 * PP_TextInput_Type is used to indicate the status of a plugin in regard to | |
| 34 * text input. | |
| 35 */ | |
| 36 typedef enum { | |
| 37 /** | |
| 38 * Input caret is not in an editable mode, no input method shall be used. | |
| 39 */ | |
| 40 PP_TEXTINPUT_TYPE_NONE = 0, | |
| 41 /** | |
| 42 * Input caret is in a normal editable mode, any input method can be used. | |
| 43 */ | |
| 44 PP_TEXTINPUT_TYPE_TEXT = 1, | |
| 45 /** | |
| 46 * Input caret is in a password box, an input method may be used only if | |
| 47 * it's suitable for password input. | |
| 48 */ | |
| 49 PP_TEXTINPUT_TYPE_PASSWORD = 2, | |
| 50 PP_TEXTINPUT_TYPE_SEARCH = 3, | |
| 51 PP_TEXTINPUT_TYPE_EMAIL = 4, | |
| 52 PP_TEXTINPUT_TYPE_NUMBER = 5, | |
| 53 PP_TEXTINPUT_TYPE_TELEPHONE = 6, | |
| 54 PP_TEXTINPUT_TYPE_URL = 7 | |
| 55 } PP_TextInput_Type; | |
| 56 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_TextInput_Type, 4); | |
| 57 /** | |
| 58 * @} | |
| 59 */ | |
| 60 | |
| 61 /** | |
| 62 * @addtogroup Interfaces | |
| 63 * @{ | |
| 64 */ | |
| 65 /** | |
| 66 * <code>PPB_TextInput_Dev</code> provides a set of functions for giving hints | |
| 67 * to the browser about the text input status of plugins, and functions for | |
| 68 * controlling input method editors (IMEs). | |
| 69 */ | |
| 70 struct PPB_TextInput_Dev_0_2 { | |
| 71 /** | |
| 72 * Informs the browser about the current text input mode of the plugin. | |
| 73 * Typical use of this information in the browser is to properly | |
| 74 * display/suppress tools for supporting text inputs (such as virtual | |
| 75 * keyboards in touch screen based devices, or input method editors often | |
| 76 * used for composing East Asian characters). | |
| 77 */ | |
| 78 void (*SetTextInputType)(PP_Instance instance, PP_TextInput_Type type); | |
| 79 /** | |
| 80 * Informs the browser about the coordinates of the text input caret and the | |
| 81 * bounding box of the text input area. Typical use of this information in | |
| 82 * the browser is to layout IME windows etc. | |
| 83 */ | |
| 84 void (*UpdateCaretPosition)(PP_Instance instance, | |
| 85 const struct PP_Rect* caret, | |
| 86 const struct PP_Rect* bounding_box); | |
| 87 /** | |
| 88 * Cancels the current composition in IME. | |
| 89 */ | |
| 90 void (*CancelCompositionText)(PP_Instance instance); | |
| 91 /** | |
| 92 * In response to the <code>PPP_TextInput_Dev::RequestSurroundingText</code> | |
| 93 * call, informs the browser about the current text selection and surrounding | |
| 94 * text. <code>text</code> is a UTF-8 string that contains the current range | |
| 95 * of text selection in the plugin. <code>caret</code> is the byte-index of | |
| 96 * the caret position within <code>text</code>. <code>anchor</code> is the | |
| 97 * byte-index of the anchor position (i.e., if a range of text is selected, | |
| 98 * it is the other edge of selection different from <code>caret</code>. If | |
| 99 * there are no selection, <code>anchor</code> is equal to <code>caret</code>. | |
| 100 * | |
| 101 * Typical use of this information in the browser is to enable "reconversion" | |
| 102 * features of IME that puts back the already committed text into the | |
| 103 * pre-commit composition state. Another use is to improve the precision | |
| 104 * of suggestion of IME by taking the context into account (e.g., if the caret | |
| 105 * looks to be on the beginning of a sentence, suggest capital letters in a | |
| 106 * virtual keyboard). | |
| 107 * | |
| 108 * When the focus is not on text, call this function setting <code>text</code> | |
| 109 * to an empty string and <code>caret</code> and <code>anchor</code> to zero. | |
| 110 * Also, the plugin should send the empty text when it does not want to reveal | |
| 111 * the selection to IME (e.g., when the surrounding text is containing | |
| 112 * password text). | |
| 113 */ | |
| 114 void (*UpdateSurroundingText)(PP_Instance instance, | |
| 115 const char* text, | |
| 116 uint32_t caret, | |
| 117 uint32_t anchor); | |
| 118 /** | |
| 119 * Informs the browser when a range of text selection is changed in a plugin. | |
| 120 * When the browser needs to know the content of the updated selection, it | |
| 121 * pings back by <code>PPP_TextInput_Dev::RequestSurroundingText</code>. The | |
| 122 * plugin then should send the information with | |
| 123 * <code>UpdateSurroundingText</code>. | |
| 124 */ | |
| 125 void (*SelectionChanged)(PP_Instance instance); | |
| 126 }; | |
| 127 | |
| 128 typedef struct PPB_TextInput_Dev_0_2 PPB_TextInput_Dev; | |
| 129 | |
| 130 struct PPB_TextInput_Dev_0_1 { | |
| 131 void (*SetTextInputType)(PP_Instance instance, PP_TextInput_Type type); | |
| 132 void (*UpdateCaretPosition)(PP_Instance instance, | |
| 133 const struct PP_Rect* caret, | |
| 134 const struct PP_Rect* bounding_box); | |
| 135 void (*CancelCompositionText)(PP_Instance instance); | |
| 136 }; | |
| 137 /** | |
| 138 * @} | |
| 139 */ | |
| 140 | |
| 141 #endif /* PPAPI_C_DEV_PPB_TEXT_INPUT_DEV_H_ */ | |
| 142 | |
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