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comparison: ui/qt/model.cpp

ui/qt/model.cpp

changeset 0
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1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2014 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "model.h"
30
31 UiListSelection* listSelection(QItemSelectionModel *s) {
32 UiListSelection *selection = new UiListSelection();
33
34 QModelIndexList list = s->selectedRows();
35 selection->count = list.count();
36 if(selection->count > 0) {
37 selection->rows = new int[selection->count];
38 }
39
40 QModelIndex index;
41 int i=0;
42 foreach(index, list) {
43 selection->rows[i] = index.row();
44 i++;
45 }
46 return selection;
47 }
48
49 ListModel::ListModel(UiObject* obj, QListView* view, UiListPtr* list, ui_model_getvalue_f getvalue, ui_callback f, void* userdata) {
50 this->obj = obj;
51 this->view = view;
52 this->list = list;
53 this->getvalue = getvalue;
54 this->callback = f;
55 this->userdata = userdata;
56 }
57
58 int ListModel::rowCount(const QModelIndex& parent) const {
59 return list->list->count(list->list);
60 }
61
62 QVariant ListModel::data(const QModelIndex &index, int role) const {
63 if(role == Qt::DisplayRole) {
64 UiList *ls = list->list;
65 void *rowData = ls->get(ls, index.row());
66 if(rowData && getvalue) {
67 void *value = getvalue(rowData, 0);
68 return QString::fromUtf8((char*)value);
69 }
70 }
71 return QVariant();
72 }
73
74 void ListModel::selectionChanged(const QItemSelection& selected, const QItemSelection& deselected) {
75 UiListSelection *selection = listSelection(view->selectionModel());
76
77 UiEvent e;
78 e.obj = obj;
79 e.window = obj->window;
80 e.document = obj->ctx->document;
81 e.eventdata = selection;
82 e.intval = selection->count > 0 ? selection->rows[0] : -1;
83 callback(&e, userdata);
84
85 if(selection->count > 0) {
86 delete selection->rows;
87 }
88 delete selection;
89 }
90
91 TableModel::TableModel(UiObject *obj, QTreeView *view, UiListPtr *list, UiModelInfo *info) {
92 this->obj = obj;
93 this->list = list;
94 this->info = info;
95 this->view = view;
96 }
97
98 int TableModel::rowCount(const QModelIndex &parent) const {
99 return list->list->count(list->list);
100 }
101
102 int TableModel::columnCount(const QModelIndex &parent) const {
103 return info->columns;
104 }
105
106 QVariant TableModel::data(const QModelIndex &index, int role) const {
107 if(role == Qt::DisplayRole) {
108 UiList *ls = list->list;
109 void *rowData = ls->get(ls, index.row());
110 if(rowData && info->getvalue) {
111 void *value = info->getvalue(rowData, index.column());
112 switch(info->types[index.column()]) {
113 case UI_STRING: {
114 return QString::fromUtf8((char*)value);
115 }
116 case UI_INTEGER: {
117 int *intptr = (int*)value;
118 return QVariant(*intptr);
119 }
120 }
121 }
122 }
123 return QVariant();
124 }
125
126 QVariant TableModel::headerData(int section, Qt::Orientation orientation, int role) const {
127 if(role == Qt::DisplayRole) {
128 char *label = info->titles[section];
129 return QString::fromUtf8(label);
130 }
131 return QVariant();
132 }
133
134 void TableModel::update() {
135 emit dataChanged(QModelIndex(),QModelIndex());
136 }
137
138 void TableModel::selectionChanged(const QItemSelection& selected, const QItemSelection& deselected) {
139 UiListSelection *selection = listSelection(view->selectionModel());
140
141 UiEvent e;
142 e.obj = obj;
143 e.window = obj->window;
144 e.document = obj->ctx->document;
145 e.eventdata = selection;
146 e.intval = selection->count > 0 ? selection->rows[0] : -1;
147 info->selection(&e, info->userdata);
148
149 if(selection->count > 0) {
150 delete selection->rows;
151 }
152 delete selection;
153 }
154
155 void TableModel::activate(const QModelIndex &) {
156 UiListSelection *selection = listSelection(view->selectionModel());
157
158 UiEvent e;
159 e.obj = obj;
160 e.window = obj->window;
161 e.document = obj->ctx->document;
162 e.eventdata = selection;
163 e.intval = selection->count > 0 ? selection->rows[0] : -1;
164 info->activate(&e, info->userdata);
165
166 if(selection->count > 0) {
167 delete selection->rows;
168 }
169 delete selection;
170 }

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