ui/common/context.h

Sun, 23 May 2021 09:44:43 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sun, 23 May 2021 09:44:43 +0200
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refactor widget groups/document tree (Motif)

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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 UIC_CONTEXT_H
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30 #define UIC_CONTEXT_H
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31
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32 #include "../ui/toolkit.h"
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33 #include <ucx/map.h>
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34 #include <ucx/mempool.h>
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35 #include <ucx/list.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 typedef struct UiVar UiVar;
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42 typedef struct UiListPtr UiListPtr;
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43 typedef struct UiListVar UiListVar;
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44 typedef struct UiGroupWidget UiGroupWidget;
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45
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46 typedef enum UiVarType UiVarType;
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47
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48 enum UiVarType {
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49 UI_VAR_SPECIAL = 0,
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50 UI_VAR_INTEGER,
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51 UI_VAR_DOUBLE,
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52 UI_VAR_STRING,
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53 UI_VAR_TEXT,
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54 UI_VAR_LIST,
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55 UI_VAR_RANGE
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56 };
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57
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58 struct UiContext {
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59 UiContext *parent;
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60 UiObject *obj;
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61 UcxMempool *mempool;
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62
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63 void *document;
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64 UcxList *documents;
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65
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66 UcxMap *vars; // manually created context vars
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67 UcxMap *vars_unbound; // unbound vars created by widgets
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68
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69 UcxList *groups; // int list
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70 UcxList *group_widgets; // UiGroupWidget* list
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71
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72 void (*attach_document)(UiContext *ctx, void *document);
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73 void (*detach_document2)(UiContext *ctx, void *document);
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75 char *title;
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76
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77 #ifdef UI_GTK
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78 GtkAccelGroup *accel_group;
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79 #endif
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81 ui_callback close_callback;
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82 void *close_data;
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83 };
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85 // UiVar replacement, rename it to UiVar when finished
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86 struct UiVar {
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87 void *value;
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88 UiVarType type;
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89 UiVar *from;
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90 UiContext *from_ctx;
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91 };
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92
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93 struct UiGroupWidget {
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94 void *widget;
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95 ui_enablefunc enable;
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96 int *groups;
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97 int numgroups;
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98 };
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101 void uic_init_global_context(void);
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102
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103 UiContext* uic_context(UiObject *toplevel, UcxMempool *mp);
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104 UiContext* uic_root_context(UiContext *ctx);
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105 void uic_context_set_document(UiContext *ctx, void *document); // deprecated
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106 void uic_context_detach_document(UiContext *ctx); // deprecated
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108 void uic_context_attach_document(UiContext *ctx, void *document);
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109 void uic_context_detach_document2(UiContext *ctx, void *document);
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110 void uic_context_detach_all(UiContext *ctx);
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112 UiVar* uic_get_var(UiContext *ctx, const char *name);
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113 UiVar* uic_create_var(UiContext *ctx, const char *name, UiVarType type);
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114 void* uic_create_value(UiContext *ctx, UiVarType type);
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116 void uic_copy_binding(UiVar *from, UiVar *to, UiBool copytodoc);
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117 void uic_save_var2(UiVar *var);
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118 void uic_unbind_var(UiVar *var);
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120 void uic_reg_var(UiContext *ctx, char *name, UiVarType type, void *value);
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122 void uic_remove_bound_var(UiContext *ctx, UiVar *var);
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124 void uic_check_group_widgets(UiContext *ctx);
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125 void uic_add_group_widget(UiContext *ctx, void *widget, ui_enablefunc enable, UcxList *groups);
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128 #ifdef __cplusplus
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129 }
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130 #endif
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132 #endif /* UIC_CONTEXT_H */
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