ppapi/c/dev/ppb_text_input_dev.h - Issue 18671004: PPAPI: Move IMEInputEvent and TextInput to stable.

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Issue 18671004: PPAPI: Move IMEInputEvent and TextInput to stable. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Addressing comments Created 7 years, 5 months ago

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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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« ppapi/api/ppb_text_input.idl ('K') | « ppapi/c/dev/ppb_ime_input_event_dev.h ('k') | ppapi/c/dev/ppp_text_input_dev.h » ('j') | ppapi/thunk/ppb_input_event_thunk.cc » ('J')