public static Range WordBeginning(PadEditor editor)
{
int words = editor.Count ?? 1;
Range range = new Range(editor.Pad.Cursor)
{
EndColumn = editor.Pad.Column
};
for ( ; words > 0; words -= 1)
{
range.EndColumn -= 1;
// move to the first non-space
while (range.EndColumn > 0 &&
Char.IsWhiteSpace(editor.Pad.CurrentLine.Text[range.EndColumn]))
{
--range.EndColumn;
}
while (range.EndColumn > 0 &&
!Char.IsWhiteSpace(
editor.Pad.CurrentLine.Text[range.EndColumn - 1]))
{
--range.EndColumn;
}
}
return(range);
}
public static Range Middle(PadEditor editor)
{
return new Range(editor.Pad.Cursor) {
EndRow = editor.TopLine + (editor.BottomLine - editor.TopLine)/2 + 1,
EndColumn = 0
};
}
public static Range Word(PadEditor editor)
{
int words = editor.Count ?? 1;
Range range = new Range(editor.Pad.Cursor);
range.EndColumn = range.StartColumn;
for (; words > 0; words -= 1)
{
// move to the first non-space
while (range.EndColumn < editor.Pad.CurrentLine.Text.Length &&
Char.IsWhiteSpace(editor.Pad.CurrentLine.Text[range.EndColumn]))
{
++range.EndColumn;
}
while (range.EndColumn < editor.Pad.CurrentLine.Text.Length &&
!Char.IsWhiteSpace(
editor.Pad.CurrentLine.Text[range.EndColumn]))
{
++range.EndColumn;
}
}
return(range);
}
public static Range LineHome(PadEditor editor)
{
return(new Range(editor.Pad.Cursor)
{
EndColumn = 0
});
}
public static Range Top(PadEditor editor)
{
return new Range(editor.Pad.Cursor) {
EndRow = editor.TopLine,
EndColumn = editor.Pad.Cursor.Column
};
}
public static Range LineEnd(PadEditor editor)
{
return(new Range(editor.Pad.Cursor)
{
EndColumn = editor.Pad.CurrentLine.Text.Length + 1
});
}
public static Range Goto(PadEditor editor, int? defaultLine = null)
{
return new Range(editor.Pad.Cursor) {
EndRow = editor.Count ?? (defaultLine ?? editor.Pad.Lines.Count - 1),
EndColumn = editor.Pad.Cursor.Column
};
}
public static Range Bottom(PadEditor editor)
{
return new Range(editor.Pad.Cursor) {
EndRow = editor.BottomLine,
EndColumn = editor.Pad.Cursor.Column
};
}
public static Range Right(PadEditor editor)
{
int chars = editor.Count ?? 1;
return new Range(editor.Pad.Cursor) {
EndColumn = editor.Pad.Column + chars
};
}
public static Range Goto(PadEditor editor, int?defaultLine = null)
{
return(new Range(editor.Pad.Cursor)
{
EndRow = editor.Count ?? (defaultLine ?? editor.Pad.Lines.Count - 1),
EndColumn = editor.Pad.Cursor.Column
});
}
public static Range Middle(PadEditor editor)
{
return(new Range(editor.Pad.Cursor)
{
EndRow = editor.TopLine + (editor.BottomLine - editor.TopLine) / 2 + 1,
EndColumn = 0
});
}
public static Range Bottom(PadEditor editor)
{
return(new Range(editor.Pad.Cursor)
{
EndRow = editor.BottomLine,
EndColumn = editor.Pad.Cursor.Column
});
}
public static Range Top(PadEditor editor)
{
return(new Range(editor.Pad.Cursor)
{
EndRow = editor.TopLine,
EndColumn = editor.Pad.Cursor.Column
});
}
public static Range Right(PadEditor editor)
{
int chars = editor.Count ?? 1;
return(new Range(editor.Pad.Cursor)
{
EndColumn = editor.Pad.Column + chars
});
}
public static Range Left(PadEditor editor)
{
int chars = editor.Count ?? 1;
return new Range(editor.Pad.Cursor) {
StartColumn = editor.Pad.Column,
EndColumn = editor.Pad.Column - chars
};
}
public static Range Left(PadEditor editor)
{
int chars = editor.Count ?? 1;
return(new Range(editor.Pad.Cursor)
{
StartColumn = editor.Pad.Column,
EndColumn = editor.Pad.Column - chars
});
}
public static Range Down(PadEditor editor)
{
int lines = editor.Count ?? 1;
int endRow = editor.Pad.Row + lines;
if(endRow >= editor.Pad.Lines.Count)
endRow = editor.Pad.Lines.Count - 1;
return new Range(editor.Pad.Cursor) {
EndRow = endRow,
EndColumn = editor.Pad.Column
};
}
public static Range Up(PadEditor editor)
{
int lines = editor.Count ?? 1;
int endRow = editor.Pad.Row - lines;
if (endRow < 0)
{
endRow = 0;
}
return(new Range(editor.Pad.Cursor)
{
EndRow = endRow,
EndColumn = editor.Pad.Column
});
}
public static Range Down(PadEditor editor)
{
int lines = editor.Count ?? 1;
int endRow = editor.Pad.Row + lines;
if (endRow >= editor.Pad.Lines.Count)
{
endRow = editor.Pad.Lines.Count - 1;
}
return(new Range(editor.Pad.Cursor)
{
EndRow = endRow,
EndColumn = editor.Pad.Column
});
}
public static Range Up(PadEditor editor)
{
int lines = editor.Count ?? 1;
int endRow = editor.Pad.Row - lines;
if(endRow < 0)
endRow = 0;
return new Range(editor.Pad.Cursor) {
EndRow = endRow,
EndColumn = editor.Pad.Column
};
}
public static Range LineHome(PadEditor editor)
{
return new Range(editor.Pad.Cursor) {
EndColumn = 0
};
}
public static Range LineEnd(PadEditor editor)
{
return new Range(editor.Pad.Cursor) {
EndColumn = editor.Pad.CurrentLine.Text.Length + 1
};
}
public static Range WordBeginning(PadEditor editor)
{
int words = editor.Count ?? 1;
Range range = new Range(editor.Pad.Cursor) {
EndColumn = editor.Pad.Column
};
for( ; words > 0; words -= 1) {
range.EndColumn -= 1;
// move to the first non-space
while(range.EndColumn > 0
&& Char.IsWhiteSpace(editor.Pad.CurrentLine.Text[range.EndColumn]))
--range.EndColumn;
while(range.EndColumn > 0
&& !Char.IsWhiteSpace(
editor.Pad.CurrentLine.Text[range.EndColumn - 1]))
--range.EndColumn;
}
return range;
}
public static Range WordEnd(PadEditor editor)
{
int words = editor.Count ?? 1;
Range range = new Range(editor.Pad.Cursor);
range.EndColumn = range.StartColumn;
for(; words > 0; words -= 1) {
range.EndColumn += 1;
// move to the first non-space
while(range.EndColumn < editor.Pad.CurrentLine.Text.Length
&& Char.IsWhiteSpace(editor.Pad.CurrentLine.Text[range.EndColumn]))
++range.EndColumn;
while(range.EndColumn < editor.Pad.CurrentLine.Text.Length
&& !Char.IsWhiteSpace(
editor.Pad.CurrentLine.Text[range.EndColumn + 1]))
++range.EndColumn;
}
return range;
}
