ui/qt/tree.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 "tree.h"
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30 #include "container.h"
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31
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32 #include <QTreeView>
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33 #include <QTreeWidgetItem>
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34 #include <QListView>
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35
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36
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37 extern "C" void* ui_strmodel_getvalue(void *elm, int column) {
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38 return column == 0 ? elm : NULL;
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39 }
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40
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41 UIWIDGET ui_listview_str(UiObject *obj, UiList *list, ui_callback f, void *udata) {
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42 return ui_listview(obj, list, ui_strmodel_getvalue, f, udata);
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43 }
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44 UIWIDGET ui_listview_var(UiObject *obj, UiListPtr *list, ui_model_getvalue_f getvalue, ui_callback f, void *udata) {
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45 QListView *view = new QListView();
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46 ListModel *model = new ListModel(obj, view, list, getvalue, f, udata);
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47 view->setModel(model);
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48
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49 // TODO: observer update
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50
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51 QItemSelectionModel *s = view->selectionModel();
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52 QObject::connect(
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53 s,
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54 SIGNAL(selectionChanged(const QItemSelection &, const QItemSelection &)),
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55 model,
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56 SLOT(selectionChanged(const QItemSelection &, const QItemSelection &)));
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57
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58 UiContainer *ct = uic_get_current_container(obj);
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59 ct->add(view, true);
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60 return view;
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61 }
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62
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63 UIWIDGET ui_listview(UiObject *obj, UiList *list, ui_model_getvalue_f getvalue, ui_callback f, void *udata) {
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64 UiListPtr *listptr = (UiListPtr*)ucx_mempool_malloc(obj->ctx->mempool, sizeof(UiListPtr));
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65 listptr->list = list;
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66 return ui_listview_var(obj, listptr, getvalue, f, udata);
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67 }
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68
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69 UIWIDGET ui_listview_nv(UiObject *obj, char *varname, ui_model_getvalue_f getvalue, ui_callback f, void *udata) {
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70 UiVar *var = uic_connect_var(obj->ctx, varname, UI_VAR_LIST);
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71 if(var) {
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72 UiListVar *value = (UiListVar*)var->value;
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73 return ui_listview_var(obj, value->listptr, getvalue, f, udata);
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74 } else {
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75 // TODO: error
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76 }
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77 return NULL;
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78 }
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79
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80
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81 UIWIDGET ui_table_var(UiObject *obj, UiListPtr *list, UiModelInfo *modelinfo) {
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82 QTreeView *view = new QTreeView();
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83 TableModel *model = new TableModel(obj, view, list, modelinfo);
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84 view->setModel(model);
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85
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86 view->setItemsExpandable(false);
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87 view->setRootIsDecorated(false);
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88
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89 // TODO: observer update
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90 UiTableView *u = new UiTableView();
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91 u->widget = view;
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92 u->model = model;
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93 list->list->observers = ui_add_observer(
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94 list->list->observers,
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95 (ui_callback)ui_table_update,
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96 u);
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97
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98 view->setSelectionMode(QAbstractItemView::ExtendedSelection);
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99 QItemSelectionModel *s = view->selectionModel();
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100 QObject::connect(
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101 s,
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102 SIGNAL(selectionChanged(const QItemSelection &, const QItemSelection &)),
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103 model,
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104 SLOT(selectionChanged(const QItemSelection &, const QItemSelection &)));
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105 QObject::connect(
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106 view,
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107 SIGNAL(doubleClicked(const QModelIndex &)),
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108 model,
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109 SLOT(activate(const QModelIndex &)));
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110
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111
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112 UiContainer *ct = uic_get_current_container(obj);
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113 ct->add(view, true);
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114 return view;
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115 }
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116
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117 void ui_table_update(UiEvent *event, UiTableView *view) {
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118 // TODO
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119 printf("update\n");
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120
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121 //view->model->update();
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122 view->widget->setModel(NULL);
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123 view->widget->setModel(view->model);
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124 }
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125
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126 UIWIDGET ui_table(UiObject *obj, UiList *list, UiModelInfo *modelinfo) {
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127 UiListPtr *listptr = (UiListPtr*)ucx_mempool_malloc(obj->ctx->mempool, sizeof(UiListPtr));
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128 listptr->list = list;
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129 return ui_table_var(obj, listptr, modelinfo);
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130 }
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131
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132 UIWIDGET ui_table_nv(UiObject *obj, char *varname, UiModelInfo *modelinfo) {
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133 UiVar *var = uic_connect_var(obj->ctx, varname, UI_VAR_LIST);
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134 if(var) {
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135 UiListVar *value = (UiListVar*)var->value;
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136 return ui_table_var(obj, value->listptr, modelinfo);
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137 } else {
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138 // TODO: error
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139 }
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140 return NULL;
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141 }
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142

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