Sat, 27 Jan 2024 17:50:19 +0100
update ucx, libidav and add first gui code
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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 | #include <stdio.h> |
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30 | #include <stdlib.h> |
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31 | |
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32 | #include "model.h" |
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33 | #include "image.h" |
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34 | #include "toolkit.h" |
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35 | |
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36 | #define IS_UI_LIST_MODEL(obj) \ |
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37 | (G_TYPE_CHECK_INSTANCE_TYPE((obj), list_model_type)) |
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38 | #define UI_LIST_MODEL(obj) \ |
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39 | (G_TYPE_CHECK_INSTANCE_CAST((obj), list_model_type, UiListModel)) |
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40 | |
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41 | static void list_model_class_init(GObjectClass *cl, gpointer data); |
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42 | static void list_model_interface_init(GtkTreeModelIface *i, gpointer data); |
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43 | static void list_model_init(UiListModel *instance, GObjectClass *cl); |
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44 | |
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45 | static void list_model_dnd_dest_interface_init(GtkTreeDragDestIface *i, gpointer data); |
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46 | static void list_model_dnd_src_interface_init(GtkTreeDragSourceIface *i, gpointer data); |
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47 | |
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48 | static GObjectClass list_model_class; |
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49 | static const GTypeInfo list_model_info = { |
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50 | sizeof(GObjectClass), |
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51 | NULL, |
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52 | NULL, |
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53 | (GClassInitFunc)list_model_class_init, |
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54 | NULL, |
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55 | NULL, |
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56 | sizeof(UiListModel), |
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57 | 0, |
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58 | (GInstanceInitFunc)list_model_init |
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59 | }; |
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60 | static const GInterfaceInfo list_model_interface_info = { |
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61 | (GInterfaceInitFunc)list_model_interface_init, |
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62 | NULL, |
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63 | NULL |
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64 | }; |
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65 | static GType list_model_type; |
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66 | |
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67 | static const GInterfaceInfo list_model_dnd_dest_interface_info = { |
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68 | (GInterfaceInitFunc)list_model_dnd_dest_interface_init, |
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69 | NULL, |
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70 | NULL |
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71 | }; |
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72 | static const GInterfaceInfo list_model_dnd_src_interface_info = { |
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73 | (GInterfaceInitFunc)list_model_dnd_src_interface_init, |
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74 | NULL, |
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75 | NULL |
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76 | }; |
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77 | |
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78 | void ui_list_init() { |
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79 | list_model_type = g_type_register_static( |
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80 | G_TYPE_OBJECT, |
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81 | "UiListModel", |
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82 | &list_model_info, |
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83 | (GTypeFlags)0); |
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84 | g_type_add_interface_static( |
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85 | list_model_type, |
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86 | GTK_TYPE_TREE_MODEL, |
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87 | &list_model_interface_info); |
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88 | g_type_add_interface_static( |
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89 | list_model_type, |
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90 | GTK_TYPE_TREE_DRAG_DEST, |
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91 | &list_model_dnd_dest_interface_info); |
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92 | g_type_add_interface_static( |
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93 | list_model_type, |
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94 | GTK_TYPE_TREE_DRAG_SOURCE, |
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95 | &list_model_dnd_src_interface_info); |
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96 | } |
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97 | |
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98 | static void list_model_class_init(GObjectClass *cl, gpointer data) { |
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99 | cl->dispose = ui_list_model_dispose; |
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100 | cl->finalize = ui_list_model_finalize; |
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101 | |
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102 | } |
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103 | |
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104 | static void list_model_interface_init(GtkTreeModelIface *i, gpointer data) { |
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105 | i->get_flags = ui_list_model_get_flags; |
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106 | i->get_n_columns = ui_list_model_get_n_columns; |
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107 | i->get_column_type = ui_list_model_get_column_type; |
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108 | i->get_iter = ui_list_model_get_iter; |
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109 | i->get_path = ui_list_model_get_path; |
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110 | i->get_value = ui_list_model_get_value; |
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111 | i->iter_next = ui_list_model_iter_next; |
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112 | i->iter_children = ui_list_model_iter_children; |
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113 | i->iter_has_child = ui_list_model_iter_has_child; |
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114 | i->iter_n_children = ui_list_model_iter_n_children; |
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115 | i->iter_nth_child = ui_list_model_iter_nth_child; |
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116 | i->iter_parent = ui_list_model_iter_parent; |
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117 | } |
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118 | |
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119 | static void list_model_dnd_dest_interface_init(GtkTreeDragDestIface *i, gpointer data) { |
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120 | i->drag_data_received = ui_list_model_drag_data_received; |
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121 | i->row_drop_possible = ui_list_model_row_drop_possible; |
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122 | } |
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123 | |
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124 | static void list_model_dnd_src_interface_init(GtkTreeDragSourceIface *i, gpointer data) { |
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125 | i->drag_data_delete = ui_list_model_drag_data_delete; |
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126 | i->drag_data_get = ui_list_model_drag_data_get; |
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127 | i->row_draggable = ui_list_model_row_draggable; |
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128 | } |
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129 | |
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130 | static void list_model_init(UiListModel *instance, GObjectClass *cl) { |
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131 | instance->columntypes = NULL; |
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132 | instance->var = NULL; |
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133 | instance->numcolumns = 0; |
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134 | instance->stamp = g_random_int(); |
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135 | } |
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136 | |
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137 | static GType ui_gtk_type(UiModelType type) { |
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138 | switch(type) { |
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139 | default: break; |
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140 | case UI_STRING: return G_TYPE_STRING; |
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141 | case UI_INTEGER: return G_TYPE_INT; |
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142 | } |
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143 | return G_TYPE_INVALID; |
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144 | } |
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145 | |
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146 | static void ui_model_set_value(GType type, void *data, GValue *value) { |
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147 | switch(type) { |
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148 | default: break; |
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149 | case G_TYPE_OBJECT: { |
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150 | value->g_type = G_TYPE_OBJECT; |
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151 | g_value_set_object(value, data); |
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152 | return; |
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153 | } |
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154 | case G_TYPE_STRING: { |
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155 | value->g_type = G_TYPE_STRING; |
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156 | g_value_set_string(value, data); |
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157 | return; |
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158 | } |
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159 | case G_TYPE_INT: { |
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160 | value->g_type = G_TYPE_INT; |
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161 | int *i = data; |
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162 | g_value_set_int(value, *i); |
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163 | return; |
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164 | } |
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165 | } |
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166 | value->g_type = G_TYPE_INVALID; |
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167 | } |
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168 | |
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169 | UiListModel* ui_list_model_new(UiObject *obj, UiVar *var, UiModel *info) { |
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170 | UiListModel *model = g_object_new(list_model_type, NULL); |
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171 | model->obj = obj; |
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172 | model->model = info; |
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173 | model->var = var; |
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174 | model->columntypes = calloc(sizeof(GType), 2 * info->columns); |
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175 | int ncol = 0; |
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176 | for(int i=0;i<info->columns;i++) { |
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177 | UiModelType type = info->types[i]; |
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178 | if(type == UI_ICON_TEXT) { |
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179 | model->columntypes[ncol] = G_TYPE_OBJECT; |
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180 | ncol++; |
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181 | model->columntypes[ncol] = G_TYPE_STRING; |
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182 | } else { |
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183 | model->columntypes[ncol] = ui_gtk_type(info->types[i]); |
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184 | } |
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185 | ncol++; |
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186 | } |
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187 | model->numcolumns = ncol; |
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188 | return model; |
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189 | } |
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190 | |
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191 | void ui_list_model_dispose(GObject *obj) { |
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192 | |
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193 | } |
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194 | |
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195 | void ui_list_model_finalize(GObject *obj) { |
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196 | |
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197 | } |
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198 | |
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199 | |
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200 | GtkTreeModelFlags ui_list_model_get_flags(GtkTreeModel *tree_model) { |
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201 | return (GTK_TREE_MODEL_LIST_ONLY | GTK_TREE_MODEL_ITERS_PERSIST); |
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202 | } |
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203 | |
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204 | gint ui_list_model_get_n_columns(GtkTreeModel *tree_model) { |
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205 | g_return_val_if_fail(IS_UI_LIST_MODEL(tree_model), 0); |
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206 | UiListModel *model = UI_LIST_MODEL(tree_model); |
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207 | return model->numcolumns; |
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208 | } |
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209 | |
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210 | GType ui_list_model_get_column_type(GtkTreeModel *tree_model, gint index) { |
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211 | g_return_val_if_fail(IS_UI_LIST_MODEL(tree_model), G_TYPE_INVALID); |
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212 | UiListModel *model = UI_LIST_MODEL(tree_model); |
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213 | g_return_val_if_fail(index < model->numcolumns, G_TYPE_INVALID); |
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214 | return model->columntypes[index]; |
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215 | } |
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216 | |
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217 | gboolean ui_list_model_get_iter( |
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218 | GtkTreeModel *tree_model, |
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219 | GtkTreeIter *iter, |
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220 | GtkTreePath *path) |
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221 | { |
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222 | g_assert(IS_UI_LIST_MODEL(tree_model)); |
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223 | UiListModel *model = UI_LIST_MODEL(tree_model); |
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224 | UiList *list = model->var->value; |
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225 | |
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226 | // check the depth of the path |
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227 | // a list must have a depth of 1 |
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228 | gint depth = gtk_tree_path_get_depth(path); |
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229 | g_assert(depth == 1); |
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230 | |
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231 | // get row |
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232 | gint *indices = gtk_tree_path_get_indices(path); |
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233 | gint row = indices[0]; |
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234 | |
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235 | // check row |
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236 | if(row == 0) { |
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237 | // we don't need to count if the first element is requested |
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238 | if(list->first(list) == NULL) { |
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239 | return FALSE; |
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240 | } |
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241 | } else if(row >= list->count(list)) { |
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242 | return FALSE; |
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243 | } |
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244 | |
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245 | // the UiList has an integrated iterator |
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246 | // we only get a value to adjust it |
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247 | void *val = NULL; |
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248 | if(row == 0) { |
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249 | val = list->first(list); |
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250 | } else { |
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251 | val = list->get(list, row); |
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252 | } |
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253 | |
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254 | iter->stamp = model->stamp; |
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255 | iter->user_data = list->iter; |
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256 | iter->user_data2 = (gpointer)(intptr_t)row; // list->index |
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257 | iter->user_data3 = val; |
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258 | |
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259 | return val ? TRUE : FALSE; |
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260 | } |
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261 | |
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262 | GtkTreePath* ui_list_model_get_path( |
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263 | GtkTreeModel *tree_model, |
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264 | GtkTreeIter *iter) |
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265 | { |
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266 | g_return_val_if_fail(IS_UI_LIST_MODEL(tree_model), NULL); |
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267 | g_return_val_if_fail(iter != NULL, NULL); |
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268 | g_return_val_if_fail(iter->user_data != NULL, NULL); |
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269 | |
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270 | UiListModel *model = UI_LIST_MODEL(tree_model); |
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271 | |
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272 | GtkTreePath *path = gtk_tree_path_new(); |
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273 | gtk_tree_path_append_index(path, (int)(intptr_t)iter->user_data2); // list->index |
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274 | |
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275 | return path; |
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276 | } |
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277 | |
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278 | void ui_list_model_get_value( |
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279 | GtkTreeModel *tree_model, |
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280 | GtkTreeIter *iter, |
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281 | gint column, |
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282 | GValue *value) |
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283 | { |
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284 | g_return_if_fail(IS_UI_LIST_MODEL(tree_model)); |
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285 | g_return_if_fail(iter != NULL); |
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286 | g_return_if_fail(iter->user_data != NULL); |
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287 | |
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288 | UiListModel *model = UI_LIST_MODEL(tree_model); |
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289 | UiList *list = model->var->value; |
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290 | |
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291 | g_return_if_fail(column < model->numcolumns); |
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292 | |
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293 | // TODO: return correct value from column |
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294 | |
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295 | //value->g_type = G_TYPE_STRING; |
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296 | list->iter = iter->user_data; |
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297 | //list->index = (int)(intptr_t)iter->user_data2; |
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298 | //list->current = iter->user_data3; |
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299 | if(model->model->getvalue) { |
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300 | void *data = model->model->getvalue(iter->user_data3, column); |
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301 | if(model->columntypes[column] == G_TYPE_OBJECT) { |
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302 | UiImage *img = data; |
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303 | ui_model_set_value(model->columntypes[column], img->pixbuf, value); |
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304 | } else { |
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305 | ui_model_set_value(model->columntypes[column], data, value); |
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306 | } |
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307 | } else { |
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308 | value->g_type = G_TYPE_INVALID; |
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309 | } |
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310 | } |
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311 | |
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312 | gboolean ui_list_model_iter_next( |
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313 | GtkTreeModel *tree_model, |
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314 | GtkTreeIter *iter) |
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315 | { |
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316 | g_return_val_if_fail(IS_UI_LIST_MODEL(tree_model), FALSE); |
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317 | g_return_val_if_fail(iter != NULL, FALSE); |
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318 | //g_return_val_if_fail(iter->user_data != NULL, FALSE); |
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319 | |
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320 | if(!iter->user_data) { |
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321 | return FALSE; |
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322 | } |
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323 | |
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324 | UiListModel *model = UI_LIST_MODEL(tree_model); |
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325 | UiList *list = model->var->value; |
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326 | list->iter = iter->user_data; |
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327 | //list->index = (int)(intptr_t)iter->user_data2; |
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328 | void *val = list->next(list); |
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329 | iter->user_data = list->iter; |
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330 | intptr_t index = (intptr_t)iter->user_data2; |
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331 | index++; |
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332 | //iter->user_data2 = (gpointer)(intptr_t)list->index; |
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333 | iter->user_data2 = (gpointer)index; |
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334 | iter->user_data3 = val; |
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335 | return val ? TRUE : FALSE; |
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336 | } |
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337 | |
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338 | gboolean ui_list_model_iter_children( |
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339 | GtkTreeModel *tree_model, |
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340 | GtkTreeIter *iter, |
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341 | GtkTreeIter *parent) |
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342 | { |
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343 | g_return_val_if_fail(IS_UI_LIST_MODEL(tree_model), FALSE); |
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344 | |
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345 | UiListModel *model = UI_LIST_MODEL(tree_model); |
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346 | UiList *list = model->var->value; |
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347 | |
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348 | if(parent) { |
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349 | return FALSE; |
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350 | } |
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351 | |
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352 | /* |
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353 | * a list element has no children |
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354 | * we set the iter to the first element |
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355 | */ |
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356 | void *val = list->first(list); |
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357 | iter->stamp = model->stamp; |
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358 | iter->user_data = list->iter; |
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359 | iter->user_data2 = (gpointer)0; |
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360 | iter->user_data3 = val; |
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361 | |
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362 | return val ? TRUE : FALSE; |
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363 | } |
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364 | |
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365 | gboolean ui_list_model_iter_has_child( |
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366 | GtkTreeModel *tree_model, |
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367 | GtkTreeIter *iter) |
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368 | { |
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369 | return FALSE; |
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370 | } |
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371 | |
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372 | gint ui_list_model_iter_n_children( |
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373 | GtkTreeModel *tree_model, |
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374 | GtkTreeIter *iter) |
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375 | { |
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376 | g_assert(IS_UI_LIST_MODEL(tree_model)); |
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377 | |
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378 | if(!iter) { |
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379 | // return number of rows |
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380 | UiListModel *model = UI_LIST_MODEL(tree_model); |
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381 | UiList *list = model->var->value; |
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382 | return list->count(list); |
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383 | } |
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384 | |
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385 | return 0; |
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386 | } |
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387 | |
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388 | gboolean ui_list_model_iter_nth_child( |
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389 | GtkTreeModel *tree_model, |
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390 | GtkTreeIter *iter, |
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391 | GtkTreeIter *parent, |
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392 | gint n) |
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393 | { |
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394 | g_return_val_if_fail(IS_UI_LIST_MODEL(tree_model), FALSE); |
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395 | |
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396 | if(parent) { |
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397 | return FALSE; |
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398 | } |
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399 | |
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400 | UiListModel *model = UI_LIST_MODEL(tree_model); |
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401 | UiList *list = model->var->value; |
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402 | |
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403 | // check n |
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404 | if(n == 0) { |
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405 | // we don't need to count if the first element is requested |
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406 | if(list->first(list) == NULL) { |
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407 | return FALSE; |
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408 | } |
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409 | } else if(n >= list->count(list)) { |
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410 | return FALSE; |
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411 | } |
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412 | |
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413 | void *val = list->get(list, n); |
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414 | iter->stamp = model->stamp; |
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415 | iter->user_data = list->iter; |
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416 | iter->user_data2 = (gpointer)(intptr_t)n; // list->index |
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417 | iter->user_data3 = val; |
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418 | |
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419 | return val ? TRUE : FALSE; |
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420 | } |
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421 | |
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422 | gboolean ui_list_model_iter_parent( |
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423 | GtkTreeModel *tree_model, |
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424 | GtkTreeIter *iter, |
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425 | GtkTreeIter *child) |
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426 | { |
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427 | return FALSE; |
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428 | } |
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429 | |
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430 | // ****** dnd ****** |
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431 | |
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432 | gboolean ui_list_model_drag_data_received( |
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433 | GtkTreeDragDest *drag_dest, |
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434 | GtkTreePath *dest_path, |
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435 | GtkSelectionData *selection_data) |
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436 | { |
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437 | //printf("drag received\n"); |
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438 | UiListModel *model = UI_LIST_MODEL(drag_dest); |
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439 | if(model->model->drop) { |
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440 | gint *indices = gtk_tree_path_get_indices(dest_path); |
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441 | gint row = indices[0]; |
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442 | UiEvent e; |
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443 | e.obj = model->obj; |
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444 | e.window = e.obj->window; |
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445 | e.document = e.obj->ctx->document; |
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446 | e.eventdata = NULL; |
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447 | e.intval = 0; |
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448 | UiSelection s; |
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449 | s.data = selection_data; |
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450 | model->model->drop(&e, &s, model->var->value, row); |
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451 | } |
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452 | return TRUE; |
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453 | } |
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454 | |
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455 | gboolean ui_list_model_row_drop_possible( |
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456 | GtkTreeDragDest *drag_dest, |
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457 | GtkTreePath *dest_path, |
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458 | GtkSelectionData *selection_data) |
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459 | { |
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460 | //printf("row_drop_possible\n"); |
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461 | UiListModel *model = UI_LIST_MODEL(drag_dest); |
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462 | if(model->model->candrop) { |
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463 | gint *indices = gtk_tree_path_get_indices(dest_path); |
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464 | gint row = indices[0]; |
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465 | UiEvent e; |
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466 | e.obj = model->obj; |
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467 | e.window = e.obj->window; |
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468 | e.document = e.obj->ctx->document; |
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469 | e.eventdata = NULL; |
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470 | e.intval = 0; |
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471 | UiSelection s; |
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472 | s.data = selection_data; |
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473 | return model->model->candrop(&e, &s, model->var->value, row); |
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474 | } |
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475 | return TRUE; |
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476 | } |
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477 | |
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478 | gboolean ui_list_model_row_draggable( |
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479 | GtkTreeDragSource *drag_source, |
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480 | GtkTreePath *path) |
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481 | { |
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482 | //printf("row_draggable\n"); |
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483 | UiListModel *model = UI_LIST_MODEL(drag_source); |
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484 | if(model->model->candrag) { |
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485 | gint *indices = gtk_tree_path_get_indices(path); |
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486 | gint row = indices[0]; |
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487 | UiEvent e; |
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488 | e.obj = model->obj; |
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489 | e.window = e.obj->window; |
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490 | e.document = e.obj->ctx->document; |
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491 | e.eventdata = NULL; |
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492 | e.intval = 0; |
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493 | return model->model->candrag(&e, model->var->value, row); |
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494 | } |
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495 | return TRUE; |
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496 | } |
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497 | |
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498 | gboolean ui_list_model_drag_data_get( |
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499 | GtkTreeDragSource *drag_source, |
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500 | GtkTreePath *path, |
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501 | GtkSelectionData *selection_data) |
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502 | { |
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503 | //printf("drag_data_get\n"); |
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504 | UiListModel *model = UI_LIST_MODEL(drag_source); |
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505 | if(model->model->data_get) { |
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506 | gint *indices = gtk_tree_path_get_indices(path); |
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507 | gint row = indices[0]; |
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508 | UiEvent e; |
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509 | e.obj = model->obj; |
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510 | e.window = e.obj->window; |
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511 | e.document = e.obj->ctx->document; |
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512 | e.eventdata = NULL; |
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513 | e.intval = 0; |
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514 | UiSelection s; |
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515 | s.data = selection_data; |
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516 | model->model->data_get(&e, &s, model->var->value, row); |
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517 | } |
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518 | return TRUE; |
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519 | } |
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520 | |
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521 | gboolean ui_list_model_drag_data_delete( |
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522 | GtkTreeDragSource *drag_source, |
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523 | GtkTreePath *path) |
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524 | { |
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525 | //printf("drag_data_delete\n"); |
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526 | UiListModel *model = UI_LIST_MODEL(drag_source); |
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527 | if(model->model->data_get) { |
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528 | gint *indices = gtk_tree_path_get_indices(path); |
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529 | gint row = indices[0]; |
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530 | UiEvent e; |
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531 | e.obj = model->obj; |
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532 | e.window = e.obj->window; |
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533 | e.document = e.obj->ctx->document; |
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534 | e.eventdata = NULL; |
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535 | e.intval = 0; |
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536 | model->model->data_delete(&e, model->var->value, row); |
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537 | } |
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538 | return TRUE; |
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539 | } |