1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
/*
Copyright 2013 bigbiff/Dees_Troy TeamWin
This file is part of TWRP/TeamWin Recovery Project.
TWRP is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
TWRP is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with TWRP. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
extern "C" {
#include "../twcommon.h"
#include "../minuitwrp/minui.h"
}
#include "rapidxml.hpp"
#include "objects.hpp"
#include "../data.hpp"
GUIListBox::GUIListBox(xml_node<>* node) : GUIScrollList(node)
{
xml_attribute<>* attr;
xml_node<>* child;
mIconSelected = mIconUnselected = NULL;
mUpdate = 0;
isCheckList = false;
// Get the icons, if any
child = FindNode(node, "icon");
if (child) {
mIconSelected = LoadAttrImage(child, "selected");
mIconUnselected = LoadAttrImage(child, "unselected");
}
int iconWidth = std::max(mIconSelected->GetWidth(), mIconUnselected->GetWidth());
int iconHeight = std::max(mIconSelected->GetHeight(), mIconUnselected->GetHeight());
SetMaxIconSize(iconWidth, iconHeight);
// Handle the result variable
child = FindNode(node, "data");
if (child) {
attr = child->first_attribute("name");
if (attr)
mVariable = attr->value();
attr = child->first_attribute("default");
if (attr)
DataManager::SetValue(mVariable, attr->value());
// Get the currently selected value for the list
DataManager::GetValue(mVariable, currentValue);
}
else
allowSelection = false; // allows using listbox as a read-only list or menu
// Get the data for the list
child = FindNode(node, "listitem");
if (!child) return;
while (child) {
ListItem item;
attr = child->first_attribute("name");
if (!attr)
continue;
item.displayName = gui_parse_text(attr->value());
item.variableValue = gui_parse_text(child->value());
item.selected = (child->value() == currentValue);
item.action = NULL;
xml_node<>* action = child->first_node("action");
if (action) {
item.action = new GUIAction(action);
allowSelection = true;
}
xml_node<>* variable_name = child->first_node("data");
if (variable_name) {
attr = variable_name->first_attribute("variable");
if (attr) {
item.variableName = attr->value();
item.selected = (DataManager::GetIntValue(item.variableName) != 0);
allowSelection = true;
isCheckList = true;
}
}
LoadConditions(child, item.mConditions);
mListItems.push_back(item);
mVisibleItems.push_back(mListItems.size()-1);
child = child->next_sibling("listitem");
}
}
GUIListBox::~GUIListBox()
{
}
int GUIListBox::Update(void)
{
if(!isConditionTrue())
return 0;
GUIScrollList::Update();
if (mUpdate) {
mUpdate = 0;
if (Render() == 0)
return 2;
}
return 0;
}
int GUIListBox::NotifyVarChange(const std::string& varName, const std::string& value)
{
GUIScrollList::NotifyVarChange(varName, value);
if(!isConditionTrue())
return 0;
// Check to see if the variable that we are using to store the list selected value has been updated
if (varName == mVariable) {
currentValue = value;
mUpdate = 1;
}
std::vector<size_t> mVisibleItemsOld;
std::swap(mVisibleItemsOld, mVisibleItems);
for (size_t i = 0; i < mListItems.size(); i++) {
ListItem& item = mListItems[i];
// update per-item visibility condition
bool itemVisible = UpdateConditions(item.mConditions, varName);
if (itemVisible)
mVisibleItems.push_back(i);
if (isCheckList)
{
if (item.variableName == varName || varName.empty()) {
std::string val;
DataManager::GetValue(item.variableName, val);
item.selected = (val != "0");
mUpdate = 1;
}
}
else if (varName == mVariable) {
if (item.variableValue == currentValue) {
item.selected = 1;
SetVisibleListLocation(mVisibleItems.empty() ? 0 : mVisibleItems.size()-1);
} else {
item.selected = 0;
}
}
}
if (mVisibleItemsOld != mVisibleItems) {
mUpdate = 1; // some item's visibility has changed
if (firstDisplayedItem >= (int)mVisibleItems.size()) {
// all items in the view area were removed - make last item visible
SetVisibleListLocation(mVisibleItems.empty() ? 0 : mVisibleItems.size()-1);
}
}
return 0;
}
void GUIListBox::SetPageFocus(int inFocus)
{
GUIScrollList::SetPageFocus(inFocus);
if (inFocus) {
DataManager::GetValue(mVariable, currentValue);
NotifyVarChange(mVariable, currentValue);
}
}
size_t GUIListBox::GetItemCount()
{
return mVisibleItems.size();
}
void GUIListBox::RenderItem(size_t itemindex, int yPos, bool selected)
{
// note: the "selected" parameter above is for the currently touched item
// don't confuse it with the more persistent "selected" flag per list item used below
ListItem& item = mListItems[mVisibleItems[itemindex]];
ImageResource* icon = item.selected ? mIconSelected : mIconUnselected;
const std::string& text = item.displayName;
RenderStdItem(yPos, selected, icon, text.c_str());
}
void GUIListBox::NotifySelect(size_t item_selected)
{
if (!isCheckList) {
// deselect all items, even invisible ones
for (size_t i = 0; i < mListItems.size(); i++) {
mListItems[i].selected = 0;
}
}
ListItem& item = mListItems[mVisibleItems[item_selected]];
if (isCheckList) {
int selected = 1 - item.selected;
item.selected = selected;
DataManager::SetValue(item.variableName, selected ? "1" : "0");
} else {
item.selected = 1;
string str = item.variableValue; // [check] should this set currentValue instead?
DataManager::SetValue(mVariable, str);
}
if (item.action)
item.action->doActions();
mUpdate = 1;
}
|
