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1 | /* |
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2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 | * |
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4 | * Copyright 2017 Olaf Wintermann. All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions are met: |
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8 | * |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |
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29 | #ifndef TEXT_H |
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30 | #define TEXT_H |
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31 | |
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32 | #include "../ui/text.h" |
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33 | #include "toolkit.h" |
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34 | #include <cx/linked_list.h> |
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35 | #include "../common/context.h" |
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36 | |
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37 | #ifdef __cplusplus |
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38 | extern "C" { |
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39 | #endif |
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40 | |
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41 | #define UI_TEXTBUF_INSERT 0 |
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42 | #define UI_TEXTBUF_DELETE 1 |
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43 | |
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44 | typedef struct UiTextBufOp UiTextBufOp; |
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45 | struct UiTextBufOp { |
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46 | UiTextBufOp *prev; |
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47 | UiTextBufOp *next; |
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48 | int type; // UI_TEXTBUF_INSERT, UI_TEXTBUF_DELETE |
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49 | int start; |
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50 | int end; |
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51 | int len; |
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52 | char *text; |
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53 | }; |
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54 | |
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55 | typedef struct UiUndoMgr { |
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56 | UiTextBufOp *begin; |
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57 | UiTextBufOp *end; |
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58 | UiTextBufOp *cur; |
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59 | int length; |
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60 | int event; |
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61 | } UiUndoMgr; |
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62 | |
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63 | typedef struct UiTextArea { |
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64 | UiContext *ctx; |
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65 | UiVar *var; |
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66 | int last_selection_state; |
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67 | } UiTextArea; |
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68 | |
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69 | typedef struct UiTextField { |
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70 | UiContext *ctx; |
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71 | UiVar *var; |
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72 | // TODO: validatefunc |
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73 | } UiTextField; |
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74 | |
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75 | UIWIDGET ui_textarea_var(UiObject *obj, UiVar *var); |
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76 | void ui_textarea_destroy(GtkWidget *object, UiTextArea *textarea); |
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77 | |
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78 | char* ui_textarea_get(UiText *text); |
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79 | void ui_textarea_set(UiText *text, char *str); |
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80 | char* ui_textarea_getsubstr(UiText *text, int begin, int end); |
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81 | void ui_textarea_insert(UiText *text, int pos, char *str); |
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82 | void ui_textarea_setposition(UiText *text, int pos); |
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83 | int ui_textarea_position(UiText *text); |
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84 | void ui_textarea_selection(UiText *text, int *begin, int *end); |
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85 | int ui_textarea_length(UiText *text); |
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86 | void ui_textarea_remove(UiText *text, int begin, int end); |
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87 | |
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88 | void ui_textarea_realize_event(GtkWidget *widget, gpointer data); |
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89 | void ui_textbuf_changed(GtkTextBuffer *textbuffer, UiTextArea *textarea); |
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90 | |
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91 | void ui_textbuf_insert( |
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92 | GtkTextBuffer *textbuffer, |
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93 | GtkTextIter *location, |
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94 | char *text, |
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95 | int len, |
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96 | void *data); |
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97 | void ui_textbuf_delete( |
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98 | GtkTextBuffer *textbuffer, |
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99 | GtkTextIter *start, |
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100 | GtkTextIter *end, |
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101 | void *data); |
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102 | UiUndoMgr* ui_create_undomgr(); |
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103 | void ui_destroy_undomgr(UiUndoMgr *mgr); |
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104 | void ui_free_textbuf_op(UiTextBufOp *op); |
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105 | int ui_check_insertstr(char *oldstr, int oldlen, char *newstr, int newlen); |
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106 | |
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107 | void ui_textfield_destroy(GtkWidget *object, UiTextField *textfield); |
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108 | void ui_textfield_changed(GtkEditable *editable, UiTextField *textfield); |
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109 | |
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110 | char* ui_textfield_get(UiString *str); |
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111 | void ui_textfield_set(UiString *str, char *value); |
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112 | |
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113 | #ifdef __cplusplus |
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114 | } |
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115 | #endif |
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116 | |
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117 | #endif /* TEXT_H */ |
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118 |