Differential D18311 Diff 49698 layers/selections/text/kpTextSelection_Cursor.cpp

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layers/selections/text/kpTextSelection_Cursor.cpp

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48{ 48​{
49 if (!pointIsInTextArea (point)) 49​ if (!pointIsInTextArea (point))
50 return -1; 50​ return -1;
51 51​
52 const QFontMetrics fontMetrics (d->textStyle.fontMetrics ()); 52​ const QFontMetrics fontMetrics (d->textStyle.fontMetrics ());
53 53​
54 int row = (point.y () - textAreaRect ().y ()) / 54​ int row = (point.y () - textAreaRect ().y ()) /
55 fontMetrics.lineSpacing (); 55​ fontMetrics.lineSpacing ();
56 if (row >= (int) d->textLines.size ()) 56​ if (row >= static_cast<int> (d->textLines.size ()))
57 row = d->textLines.size () - 1; 57​ row = d->textLines.size () - 1;
58 58​
59 return row; 59​ return row;
60} 60​}
61 61​
62// public 62​// public
63int kpTextSelection::closestTextColForPoint (const QPoint &point) const 63​int kpTextSelection::closestTextColForPoint (const QPoint &point) const
64{ 64​{
65 int row = closestTextRowForPoint (point); 65​ int row = closestTextRowForPoint (point);
66 if (row < 0 || row >= (int) d->textLines.size ()) 66​ if (row < 0 || row >= static_cast<int> (d->textLines.size ()))
67 return -1; 67​ return -1;
68 68​
69 const int localX = point.x () - textAreaRect ().x (); 69​ const int localX = point.x () - textAreaRect ().x ();
70 70​
71 const QFontMetrics fontMetrics (d->textStyle.fontMetrics ()); 71​ const QFontMetrics fontMetrics (d->textStyle.fontMetrics ());
72 72​
73 // (should be 0 but call just in case) 73​ // (should be 0 but call just in case)
74 int charLocalLeft = fontMetrics.width (d->textLines [row], 0); 74​ int charLocalLeft = fontMetrics.width (d->textLines [row], 0);
75 75​
76 // OPT: binary search or guess location then move 76​ // OPT: binary search or guess location then move
77 for (int col = 0; col < (int) d->textLines [row].length (); col++) 77​ for (int col = 0; col < static_cast<int> (d->textLines [row].length ()); col++)
78 { 78​ {
79 // OPT: fontMetrics::charWidth() might be faster 79​ // OPT: fontMetrics::charWidth() might be faster
80 const int nextCharLocalLeft = fontMetrics.width (d->textLines [row], col + 1); 80​ const int nextCharLocalLeft = fontMetrics.width (d->textLines [row], col + 1);
81 if (localX <= (charLocalLeft + nextCharLocalLeft) / 2) 81​ if (localX <= (charLocalLeft + nextCharLocalLeft) / 2)
82 return col; 82​ return col;
83 83​
84 charLocalLeft = nextCharLocalLeft; 84​ charLocalLeft = nextCharLocalLeft;
85 } 85​ }
86 86​
87 return d->textLines [row].length ()/*past end of line*/; 87​ return d->textLines [row].length ()/*past end of line*/;
88} 88​}
89 89​
90//--------------------------------------------------------------------- 90​//---------------------------------------------------------------------
91 91​
92// public 92​// public
93QPoint kpTextSelection::pointForTextRowCol (int row, int col) const 93​QPoint kpTextSelection::pointForTextRowCol (int row, int col) const
94{ 94​{
95 kpPreeditText preeditText = d->preeditText; 95​ kpPreeditText preeditText = d->preeditText;
96 if ((row < 0 || col < 0) || 96​ if ((row < 0 || col < 0) ||
97 (preeditText.isEmpty () && 97​ (preeditText.isEmpty () &&
98 (row >= (int) d->textLines.size () || col > (int) d->textLines [row].length ()))) 98​ (row >= static_cast<int> (d->textLines.size ()) || col > static_cast<int> (d->textLines [row].length ()))))
99 { 99​ {
100#if DEBUG_KP_SELECTION && 1 100​#if DEBUG_KP_SELECTION && 1
101 qCDebug(kpLogLayers) << "kpTextSelection::pointForTextRowCol(" 101​ qCDebug(kpLogLayers) << "kpTextSelection::pointForTextRowCol("
102 << row << "," 102​ << row << ","
103 << col << ") out of range" 103​ << col << ") out of range"
104 << " textLines='" 104​ << " textLines='"
105 << text () 105​ << text ()
106 << "'" 106​ << "'"
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