history_view_cell.cpp
5 KB
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
#include "history_view_cell.h"
#include "app.h"
#include "../constant.h"
#include "selectable_table_view.h"
#include <assert.h>
#include <string.h>
namespace Calculation {
HistoryViewCell::HistoryViewCell(Responder * parentResponder) :
Responder(parentResponder),
m_inputView(this),
m_scrollableOutputView(this),
m_selectedSubviewType(HistoryViewCell::SubviewType::Output)
{
}
OutputExpressionsView * HistoryViewCell::outputView() {
return m_scrollableOutputView.outputView();
}
void HistoryViewCell::setEven(bool even) {
EvenOddCell::setEven(even);
m_inputView.setBackgroundColor(backgroundColor());
m_scrollableOutputView.outputView()->setEven(even);
}
void HistoryViewCell::setHighlighted(bool highlight) {
m_highlighted = highlight;
m_inputView.setBackgroundColor(backgroundColor());
m_scrollableOutputView.outputView()->setHighlighted(false);
if (isHighlighted()) {
if (m_selectedSubviewType == SubviewType::Input) {
m_inputView.setBackgroundColor(Palette::Select);
} else {
m_scrollableOutputView.outputView()->setHighlighted(true);
}
}
reloadScroll();
}
void HistoryViewCell::reloadCell() {
m_scrollableOutputView.outputView()->reloadCell();
layoutSubviews();
reloadScroll();
}
void HistoryViewCell::reloadScroll() {
m_inputView.reloadScroll();
m_scrollableOutputView.reloadScroll();
}
KDColor HistoryViewCell::backgroundColor() const {
KDColor background = m_even ? Palette::WallScreen : KDColorWhite;
return background;
}
int HistoryViewCell::numberOfSubviews() const {
return 2;
}
View * HistoryViewCell::subviewAtIndex(int index) {
View * views[2] = {&m_inputView, &m_scrollableOutputView};
return views[index];
}
void HistoryViewCell::layoutSubviews() {
KDCoordinate width = bounds().width();
KDCoordinate height = bounds().height();
KDSize inputSize = m_inputView.minimalSizeForOptimalDisplay();
if (inputSize.width() + Metric::HistoryHorizontalMargin > width) {
m_inputView.setFrame(KDRect(Metric::HistoryHorizontalMargin, k_digitVerticalMargin, width - Metric::HistoryHorizontalMargin, inputSize.height()));
} else {
m_inputView.setFrame(KDRect(Metric::HistoryHorizontalMargin, k_digitVerticalMargin, inputSize.width(), inputSize.height()));
}
KDSize outputSize = m_scrollableOutputView.minimalSizeForOptimalDisplay();
if (outputSize.width() + Metric::HistoryHorizontalMargin > width) {
m_scrollableOutputView.setFrame(KDRect(Metric::HistoryHorizontalMargin, inputSize.height() + 2*k_digitVerticalMargin, width - Metric::HistoryHorizontalMargin, height - inputSize.height() - 3*k_digitVerticalMargin));
} else {
m_scrollableOutputView.setFrame(KDRect(width - outputSize.width() - Metric::HistoryHorizontalMargin, inputSize.height() + 2*k_digitVerticalMargin, outputSize.width(), height - inputSize.height() - 3*k_digitVerticalMargin));
}
}
void HistoryViewCell::setCalculation(Calculation * calculation) {
m_inputView.setExpression(calculation->inputLayout());
App * calculationApp = (App *)app();
/* Both output expressions have to be updated at the same time. The
* outputView points to deleted layouts and a call to
* outputView()->layoutSubviews() is going to fail. */
Poincare::ExpressionLayout * outputExpressions[2] = {calculation->approximateOutputLayout(calculationApp->localContext()), calculation->shouldDisplayApproximateOutput(calculationApp->localContext()) ? nullptr : calculation->exactOutputLayout(calculationApp->localContext())};
m_scrollableOutputView.outputView()->setExpressions(outputExpressions);
I18n::Message equalMessage = calculation->exactAndApproximateDisplayedOutputsAreEqual(calculationApp->localContext()) ? I18n::Message::Equal : I18n::Message::AlmostEqual;
m_scrollableOutputView.outputView()->setEqualMessage(equalMessage);
}
void HistoryViewCell::didBecomeFirstResponder() {
if (m_selectedSubviewType == SubviewType::Input) {
app()->setFirstResponder(&m_inputView);
} else {
app()->setFirstResponder(&m_scrollableOutputView);
}
}
HistoryViewCell::SubviewType HistoryViewCell::selectedSubviewType() {
return m_selectedSubviewType;
}
void HistoryViewCell::setSelectedSubviewType(HistoryViewCell::SubviewType subviewType) {
m_selectedSubviewType = subviewType;
setHighlighted(isHighlighted());
}
bool HistoryViewCell::handleEvent(Ion::Events::Event event) {
if ((event == Ion::Events::Down && m_selectedSubviewType == SubviewType::Input) ||
(event == Ion::Events::Up && m_selectedSubviewType == SubviewType::Output)) {
SubviewType otherSubviewType = m_selectedSubviewType == SubviewType::Input ? SubviewType::Output : SubviewType::Input;
CalculationSelectableTableView * tableView = (CalculationSelectableTableView *)parentResponder();
tableView->scrollToSubviewOfTypeOfCellAtLocation(otherSubviewType, tableView->selectedColumn(), tableView->selectedRow());
HistoryViewCell * selectedCell = (HistoryViewCell *)(tableView->selectedCell());
selectedCell->setSelectedSubviewType(otherSubviewType);
app()->setFirstResponder(selectedCell);
return true;
}
return false;
}
}