6663b6c9
 adorian
projet complet av...
|
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
|
#include "sequence_layout.h"
#include "char_layout.h"
#include "horizontal_layout.h"
#include "left_parenthesis_layout.h"
#include "right_parenthesis_layout.h"
#include <poincare/expression_layout_cursor.h>
#include <assert.h>
namespace Poincare {
void SequenceLayout::deleteBeforeCursor(ExpressionLayoutCursor * cursor) {
if (cursor->isEquivalentTo(ExpressionLayoutCursor(argumentLayout(), ExpressionLayoutCursor::Position::Left))) {
// Case: Left of the argument. Delete the layout, keep the argument.
replaceWithAndMoveCursor(argumentLayout(), true, cursor);
return;
}
ExpressionLayout::deleteBeforeCursor(cursor);
}
ExpressionLayoutCursor SequenceLayout::cursorLeftOf(ExpressionLayoutCursor cursor, bool * shouldRecomputeLayout) {
// Case: Left of the bounds. Go Left of the sequence.
if (cursor.position() == ExpressionLayoutCursor::Position::Left
&& ((lowerBoundLayout()
&& cursor.pointedExpressionLayout() == lowerBoundLayout())
|| (upperBoundLayout()
&& cursor.pointedExpressionLayout() == upperBoundLayout())))
{
return ExpressionLayoutCursor(this, ExpressionLayoutCursor::Position::Left);
}
// Case: Left of the argument. Go Right of the lower bound.
if (cursor.position() == ExpressionLayoutCursor::Position::Left
&& argumentLayout()
&& cursor.pointedExpressionLayout() == argumentLayout())
{
assert(lowerBoundLayout() != nullptr);
return ExpressionLayoutCursor(lowerBoundLayout(), ExpressionLayoutCursor::Position::Right);
}
assert(cursor.pointedExpressionLayout() == this);
// Case: Right. Go to the argument and move Left.
if (cursor.position() == ExpressionLayoutCursor::Position::Right) {
assert(argumentLayout() != nullptr);
return ExpressionLayoutCursor(argumentLayout(), ExpressionLayoutCursor::Position::Right);
}
assert(cursor.position() == ExpressionLayoutCursor::Position::Left);
// Case: Left. Ask the parent.
if (m_parent) {
return m_parent->cursorLeftOf(cursor, shouldRecomputeLayout);
}
return ExpressionLayoutCursor();
}
ExpressionLayoutCursor SequenceLayout::cursorRightOf(ExpressionLayoutCursor cursor, bool * shouldRecomputeLayout) {
// Case: Right of the bounds. Go Left of the argument.
if (cursor.position() == ExpressionLayoutCursor::Position::Right
&& ((lowerBoundLayout()
&& cursor.pointedExpressionLayout() == lowerBoundLayout())
|| (upperBoundLayout()
&& cursor.pointedExpressionLayout() == upperBoundLayout())))
{
assert(argumentLayout() != nullptr);
return ExpressionLayoutCursor(argumentLayout(), ExpressionLayoutCursor::Position::Left);
}
// Case: Right of the argument. Go Right.
if (cursor.position() == ExpressionLayoutCursor::Position::Right
&& argumentLayout()
&& cursor.pointedExpressionLayout() == argumentLayout())
{
return ExpressionLayoutCursor(this, ExpressionLayoutCursor::Position::Right);
}
assert(cursor.pointedExpressionLayout() == this);
// Case: Left. Go to the upper bound
if (cursor.position() == ExpressionLayoutCursor::Position::Left) {
assert(upperBoundLayout() != nullptr);
return ExpressionLayoutCursor(upperBoundLayout(), ExpressionLayoutCursor::Position::Left);
}
assert(cursor.position() == ExpressionLayoutCursor::Position::Right);
// Case: Right. Ask the parent
if (m_parent) {
return m_parent->cursorRightOf(cursor, shouldRecomputeLayout);
}
return ExpressionLayoutCursor();
}
ExpressionLayoutCursor SequenceLayout::cursorAbove(ExpressionLayoutCursor cursor, bool * shouldRecomputeLayout, bool equivalentPositionVisited) {
// If the cursor is inside the lower bound, move it to the upper bound
if (lowerBoundLayout() && cursor.pointedExpressionLayout()->hasAncestor(lowerBoundLayout(), true)) {
assert(upperBoundLayout() != nullptr);
return upperBoundLayout()->cursorInDescendantsAbove(cursor, shouldRecomputeLayout);
}
// If the cursor is Left of the argument, move it to the upper bound
if (argumentLayout()
&& cursor.isEquivalentTo(ExpressionLayoutCursor(argumentLayout(), ExpressionLayoutCursor::Position::Left)))
{
assert(upperBoundLayout() != nullptr);
return upperBoundLayout()->cursorInDescendantsAbove(cursor, shouldRecomputeLayout);
}
return ExpressionLayout::cursorAbove(cursor, shouldRecomputeLayout, equivalentPositionVisited);
}
ExpressionLayoutCursor SequenceLayout::cursorUnder(ExpressionLayoutCursor cursor, bool * shouldRecomputeLayout, bool equivalentPositionVisited) {
// If the cursor is inside the upper bound, move it to the lower bound
if (upperBoundLayout() && cursor.pointedExpressionLayout()->hasAncestor(upperBoundLayout(), true)) {
assert(lowerBoundLayout() != nullptr);
return lowerBoundLayout()->cursorInDescendantsUnder(cursor, shouldRecomputeLayout);
}
// If the cursor is Left of the argument, move it to the lower bound
if (argumentLayout()
&& cursor.isEquivalentTo(ExpressionLayoutCursor(argumentLayout(), ExpressionLayoutCursor::Position::Left)))
{
assert(lowerBoundLayout() != nullptr);
return lowerBoundLayout()->cursorInDescendantsUnder(cursor, shouldRecomputeLayout);
}
return ExpressionLayout::cursorUnder(cursor, shouldRecomputeLayout, equivalentPositionVisited);
}
int SequenceLayout::writeDerivedClassInBuffer(const char * operatorName, char * buffer, int bufferSize) const {
assert(operatorName != nullptr);
if (bufferSize == 0) {
return -1;
}
buffer[bufferSize-1] = 0;
// Write the operator name
int numberOfChar = strlcpy(buffer, operatorName, bufferSize);
if (numberOfChar >= bufferSize-1) { return bufferSize-1; }
// Write the opening parenthesis
buffer[numberOfChar++] = '(';
if (numberOfChar >= bufferSize-1) { return bufferSize-1; }
// Write the argument
numberOfChar += const_cast<SequenceLayout *>(this)->argumentLayout()->writeTextInBuffer(buffer+numberOfChar, bufferSize-numberOfChar);
if (numberOfChar >= bufferSize-1) { return bufferSize-1; }
// Write the comma
buffer[numberOfChar++] = ',';
if (numberOfChar >= bufferSize-1) { return bufferSize-1; }
// Write the lower bound
numberOfChar += const_cast<SequenceLayout *>(this)->lowerBoundLayout()->writeTextInBuffer(buffer+numberOfChar, bufferSize-numberOfChar);
if (numberOfChar >= bufferSize-1) { return bufferSize-1; }
// Write the comma
buffer[numberOfChar++] = ',';
if (numberOfChar >= bufferSize-1) { return bufferSize-1; }
// Write the upper bound
numberOfChar += const_cast<SequenceLayout *>(this)->upperBoundLayout()->writeTextInBuffer(buffer+numberOfChar, bufferSize-numberOfChar);
if (numberOfChar >= bufferSize-1) { return bufferSize-1; }
// Write the closing parenthesis
buffer[numberOfChar++] = ')';
buffer[numberOfChar] = 0;
return numberOfChar;
}
KDSize SequenceLayout::computeSize() {
KDSize lowerBoundSizeWithNEquals = HorizontalLayout(new CharLayout('n'), new CharLayout('='), lowerBoundLayout()->clone(), false).size();
LeftParenthesisLayout * dummyLeftParenthesis = new LeftParenthesisLayout();
RightParenthesisLayout * dummyRightParenthesis = new RightParenthesisLayout();
HorizontalLayout dummyLayout2(dummyLeftParenthesis, argumentLayout()->clone(), dummyRightParenthesis, false);
KDSize dummyLayoutSize = dummyLayout2.size();
KDSize upperBoundSize = upperBoundLayout()->size();
return KDSize(
max(max(k_symbolWidth, lowerBoundSizeWithNEquals.width()), upperBoundSize.width())+k_argumentWidthMargin+dummyLayoutSize.width(),
baseline() + max(k_symbolHeight/2+k_boundHeightMargin+lowerBoundSizeWithNEquals.height(), dummyLayoutSize.height() - argumentLayout()->baseline())
);
}
KDPoint SequenceLayout::positionOfChild(ExpressionLayout * eL) {
ExpressionLayout * lowerBoundClone = lowerBoundLayout()->clone();
HorizontalLayout dummyLayout1(new CharLayout('n'), new CharLayout('='), lowerBoundClone, false);
KDSize lowerBoundSizeWithNEquals = dummyLayout1.size();
KDSize upperBoundSize = upperBoundLayout()->size();
LeftParenthesisLayout * dummyLeftParenthesis = new LeftParenthesisLayout();
HorizontalLayout dummyLayout2(dummyLeftParenthesis, argumentLayout()->clone(), false);
KDCoordinate x = 0;
KDCoordinate y = 0;
if (eL == lowerBoundLayout()) {
x = dummyLayout1.positionOfChild(lowerBoundClone).x()
+max(max(0, (k_symbolWidth-lowerBoundSizeWithNEquals.width())/2),
(upperBoundSize.width()-lowerBoundSizeWithNEquals.width())/2);
y = baseline() + k_symbolHeight/2 + k_boundHeightMargin;
} else if (eL == upperBoundLayout()) {
x = max(max(0, (k_symbolWidth-upperBoundSize.width())/2), (lowerBoundSizeWithNEquals.width()-upperBoundSize.width())/2);
y = baseline() - (k_symbolHeight+1)/2- k_boundHeightMargin-upperBoundSize.height();
} else if (eL == argumentLayout()) {
x = max(max(k_symbolWidth, lowerBoundSizeWithNEquals.width()), upperBoundSize.width())+k_argumentWidthMargin+dummyLeftParenthesis->size().width();
y = baseline() - argumentLayout()->baseline();
} else {
assert(false);
}
return KDPoint(x,y);
}
void SequenceLayout::render(KDContext * ctx, KDPoint p, KDColor expressionColor, KDColor backgroundColor) {
// Render the "n="
CharLayout * dummyN = new CharLayout('n');
ExpressionLayout * lowerBoundClone = lowerBoundLayout()->clone();
HorizontalLayout dummyLayout(dummyN, new CharLayout('='), lowerBoundClone, false);
KDPoint nEqualsPosition = positionOfChild(lowerBoundLayout()).translatedBy((dummyLayout.positionOfChild(lowerBoundClone)).opposite()).translatedBy(dummyLayout.positionOfChild(dummyN));
ctx->drawString("n=", p.translatedBy(nEqualsPosition), dummyN->fontSize(), expressionColor, backgroundColor);
// Render the parentheses
LeftParenthesisLayout * dummyLeftParenthesis = new LeftParenthesisLayout();
RightParenthesisLayout * dummyRightParenthesis = new RightParenthesisLayout();
HorizontalLayout dummyLayout2(dummyLeftParenthesis, argumentLayout()->clone(), dummyRightParenthesis, false);
KDPoint leftParenthesisPoint = positionOfChild(argumentLayout()).translatedBy(dummyLayout2.positionOfChild(dummyLeftParenthesis)).translatedBy(dummyLayout2.positionOfChild(dummyLayout2.editableChild(1)).opposite());
KDPoint rightParenthesisPoint = positionOfChild(argumentLayout()).translatedBy(dummyLayout2.positionOfChild(dummyRightParenthesis)).translatedBy(dummyLayout2.positionOfChild(dummyLayout2.editableChild(1)).opposite());
dummyLeftParenthesis->render(ctx, p.translatedBy(leftParenthesisPoint), expressionColor, backgroundColor);
dummyRightParenthesis->render(ctx, p.translatedBy(rightParenthesisPoint), expressionColor, backgroundColor);
}
void SequenceLayout::computeBaseline() {
m_baseline = max(upperBoundLayout()->size().height()+k_boundHeightMargin+(k_symbolHeight+1)/2, argumentLayout()->baseline());
m_baselined = true;
}
}
|