ui/qt/model.cpp

Sun, 16 Jun 2024 11:36:27 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sun, 16 Jun 2024 11:36:27 +0200
changeset 42
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parent 0
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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 2014 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 "model.h"
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30
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31 UiListSelection* listSelection(QItemSelectionModel *s) {
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32 UiListSelection *selection = new UiListSelection();
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33
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34 QModelIndexList list = s->selectedRows();
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35 selection->count = list.count();
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36 if(selection->count > 0) {
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37 selection->rows = new int[selection->count];
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38 }
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39
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40 QModelIndex index;
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41 int i=0;
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42 foreach(index, list) {
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43 selection->rows[i] = index.row();
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44 i++;
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45 }
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46 return selection;
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47 }
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48
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49 ListModel::ListModel(UiObject* obj, QListView* view, UiListPtr* list, ui_model_getvalue_f getvalue, ui_callback f, void* userdata) {
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50 this->obj = obj;
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51 this->view = view;
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52 this->list = list;
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53 this->getvalue = getvalue;
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54 this->callback = f;
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55 this->userdata = userdata;
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56 }
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57
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58 int ListModel::rowCount(const QModelIndex& parent) const {
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59 return list->list->count(list->list);
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60 }
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61
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62 QVariant ListModel::data(const QModelIndex &index, int role) const {
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63 if(role == Qt::DisplayRole) {
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64 UiList *ls = list->list;
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65 void *rowData = ls->get(ls, index.row());
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66 if(rowData && getvalue) {
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67 void *value = getvalue(rowData, 0);
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68 return QString::fromUtf8((char*)value);
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69 }
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70 }
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71 return QVariant();
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72 }
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73
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74 void ListModel::selectionChanged(const QItemSelection& selected, const QItemSelection& deselected) {
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75 UiListSelection *selection = listSelection(view->selectionModel());
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76
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77 UiEvent e;
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78 e.obj = obj;
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79 e.window = obj->window;
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80 e.document = obj->ctx->document;
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81 e.eventdata = selection;
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82 e.intval = selection->count > 0 ? selection->rows[0] : -1;
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83 callback(&e, userdata);
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84
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85 if(selection->count > 0) {
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86 delete selection->rows;
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87 }
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88 delete selection;
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89 }
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90
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91 TableModel::TableModel(UiObject *obj, QTreeView *view, UiListPtr *list, UiModelInfo *info) {
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92 this->obj = obj;
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93 this->list = list;
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94 this->info = info;
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95 this->view = view;
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96 }
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97
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98 int TableModel::rowCount(const QModelIndex &parent) const {
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99 return list->list->count(list->list);
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100 }
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101
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102 int TableModel::columnCount(const QModelIndex &parent) const {
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103 return info->columns;
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104 }
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105
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106 QVariant TableModel::data(const QModelIndex &index, int role) const {
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107 if(role == Qt::DisplayRole) {
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108 UiList *ls = list->list;
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109 void *rowData = ls->get(ls, index.row());
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110 if(rowData && info->getvalue) {
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111 void *value = info->getvalue(rowData, index.column());
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112 switch(info->types[index.column()]) {
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113 case UI_STRING: {
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114 return QString::fromUtf8((char*)value);
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115 }
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116 case UI_INTEGER: {
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117 int *intptr = (int*)value;
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118 return QVariant(*intptr);
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119 }
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120 }
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121 }
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122 }
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123 return QVariant();
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124 }
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125
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126 QVariant TableModel::headerData(int section, Qt::Orientation orientation, int role) const {
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127 if(role == Qt::DisplayRole) {
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128 char *label = info->titles[section];
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129 return QString::fromUtf8(label);
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130 }
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131 return QVariant();
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132 }
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133
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134 void TableModel::update() {
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135 emit dataChanged(QModelIndex(),QModelIndex());
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136 }
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137
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138 void TableModel::selectionChanged(const QItemSelection& selected, const QItemSelection& deselected) {
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139 UiListSelection *selection = listSelection(view->selectionModel());
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140
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141 UiEvent e;
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142 e.obj = obj;
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143 e.window = obj->window;
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144 e.document = obj->ctx->document;
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145 e.eventdata = selection;
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146 e.intval = selection->count > 0 ? selection->rows[0] : -1;
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147 info->selection(&e, info->userdata);
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148
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149 if(selection->count > 0) {
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150 delete selection->rows;
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151 }
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152 delete selection;
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153 }
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154
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155 void TableModel::activate(const QModelIndex &) {
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156 UiListSelection *selection = listSelection(view->selectionModel());
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157
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158 UiEvent e;
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159 e.obj = obj;
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Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
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160 e.window = obj->window;
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161 e.document = obj->ctx->document;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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162 e.eventdata = selection;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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163 e.intval = selection->count > 0 ? selection->rows[0] : -1;
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164 info->activate(&e, info->userdata);
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165
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166 if(selection->count > 0) {
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167 delete selection->rows;
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Olaf Wintermann <olaf.wintermann@gmail.com>
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168 }
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169 delete selection;
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parents:
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170 }

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