void SetIndex(ref PressInfo press, int index)
{
if (index <= 0)
{
press.Row = 0;
press.Offset = 0;
}
else if (index > cha.Length)
{
press.Row = lines.Length - 1;
press.Offset = lines[StartPress.Row].Count;
}
else
{
int c = lines.Length - 1;
for (int i = c; i >= 0; i--)
{
if (lines[i].StartIndex < index)
{
press.Row = i;
press.Offset = index - lines[i].StartIndex;
return;
}
}
press.Row = 0;
press.Offset = index;
}
}
public override void OnMouseDown(UserAction action)
{
base.OnMouseDown(action);
PressInfo press = new PressInfo();
CheckPointer(action, ref press);
input.OnMouseDown(action, ref press);
}
/// <summary>
/// 设置输入法显示位置,win平台
/// </summary>
/// <param name="start">光标按压位置</param>
public void SetCursorPos(ref PressInfo start)
{
if (start.Row < 0)
{
return;
}
if (start.Row >= lines.Count)
{
return;
}
int index = start.Index;
if (index < 0)
{
return;
}
if (index >= chars.Count)
{
return;
}
int row = start.Row;
for (int i = 0; i < lines.Count; i++)
{
if (index <= lines[i].endIdx)
{
row = i;
break;
}
}
float p;
if (index > lines[row].endIdx)
{
index--;
if (index < 0)
{
index = 0;
}
p = chars[index].cursorPos.x + chars[index].charWidth;
}
else
{
p = chars[index].cursorPos.x;
}
float right = p + 1;
float down = lines[row].endY - text.m_fontSize * 0.55f;
var gl = UIElement.GetGlobaInfo(text.transform, false);
float rx = gl.Scale.x * right;
float rd = gl.Scale.y * down;
gl.Postion.x += rx;
gl.Postion.y += rd;
gl.Postion *= HCanvas.MainCanvas.PhysicalScale;
gl.Postion.x += Screen.width / 2;
gl.Postion.y += Screen.height / 2;
Keyboard.CursorPos = new Vector2(gl.Postion.x, Screen.height - gl.Postion.y);
}
protected override void OnDrag(UserAction action)
{
if (Pressed)
{
if (action.CanPosition != action.LastPosition)
{
if (!entry)
{
float oy = action.CanPosition.y - GlobalPosition.y;
float py = GlobalScale.y * text.SizeDelta.y * 0.5f;
if (oy > 0)
{
oy -= py;
}
else
{
oy += py;
}
if (oy > overDistance)
{
oy = overDistance;
}
float per = 5000 / oy;
if (per < 0)
{
per = -per;
}
overTime += UserAction.TimeSlice;
if (overTime >= per)
{
overTime -= per;
if (oy > 0)
{
if (TextOperation.ContentMoveUp())
{
input.SetShowText();
}
}
else
{
if (TextOperation.ContentMoveDown())
{
input.SetShowText();
}
}
}
}
PressInfo press = new PressInfo();
CheckPointer(action, ref press);
input.OnDrag(action, ref press);
}
}
base.OnDrag(action);
}
public override void OnMouseDown(UserAction action)
{
Focus = true;
if (TextCom != null)
{
EndPress = StartPress = GetPressIndex(action, Vector2.zero);
InputCaret.SetParent(TextCom.transform);
InputCaret.Active();
ShowChanged = true;
}
base.OnMouseDown(action);
}
/// <summary>
/// 检测当前光标按在哪两个字符中间了
/// </summary>
/// <param name="action"></param>
/// <param name="press"></param>
public void CheckPointer(UserAction action, ref PressInfo press)
{
if (lines.Count > 0)
{
var offset = action.CanPosition;
offset.x -= GlobalPosition.x;//全局坐标
offset.y -= GlobalPosition.y;
var q = Quaternion.Inverse(GlobalRotation);
offset = q * offset;
var scale = GlobalScale;//全局尺寸
offset.x /= scale.x;
offset.y /= scale.y;
int end = Content.FilterString.Length;
int row = 0;
if (lines.Count > 0)
{
for (int i = 0; i < lines.Count; i++)
{
if (offset.y > lines[i].topY)
{
end = lines[i].startCharIdx;
break;
}
else
{
row = i;
}
}
}
if (end > chars.Count)
{
end = chars.Count;
}
int start = lines[row].startCharIdx;
int col = end - start;
for (int i = start; i < end; i++)
{
if (offset.x < chars[i].cursorPos.x + chars[i].charWidth * 0.5f)
{
col = i - start;
break;
}
}
press.Row = row;
press.Offset = col;
press.Index = start + col;
}
}
protected PressInfo GetPressIndex(UserAction action, Vector2 dir)
{
PressInfo info = new PressInfo();
if (TextCom == null)
{
return(info);
}
Vector3 pos = GlobalPosition;//全局坐标
var offset = pos;
offset.x -= action.CanPosition.x;
offset.y -= action.CanPosition.y;
var q = Quaternion.Inverse(GlobalRotation);
offset = q * offset;
var scale = GlobalScale;//全局尺寸
offset.x /= scale.x;
offset.y /= scale.y;
float ox = -offset.x;
float oy = -offset.y - TextCom.SizeDelta.y * 0.5f;
oy += lines[ShowStart].top;
int r = GetPressLine(oy, dir.y);
info.Row = r;
int os = GetPressOffset(r, ox, dir.x);
info.Offset = os;
if (os >= lines[r].Count)
{
os--;
}
return(info);
}
/// <summary>
/// 获取选中区域的网格
/// </summary>
/// <param name="tri">三角形列表</param>
/// <param name="vert">顶点列表</param>
/// <param name="color">填充颜色</param>
/// <param name="start">开始按压位置信息</param>
/// <param name="end">结束按压位置信息</param>
public void GetSelectArea(List <int> tri, List <HVertex> vert, ref Color32 color, ref PressInfo start, ref PressInfo end)
{
int sr = start.Row;
int er = end.Row + 1;
int st = 0;
int c = lines.Count;
if (c > er)
{
c = er;
}
if (sr < 0)
{
sr = 0;
}
for (int i = sr; i < c; i++)
{
LineInfo info = lines[i];
int ls = info.startCharIdx;
if (ls > end.Index)
{
break;
}
int le = lines[i].endIdx;
if (le <= start.Index)
{
continue;
}
int si = start.Index;
int ei = end.Index;
float left;
if (si < ls)
{
left = chars[ls].cursorPos.x;
}
else
{
left = chars[si].cursorPos.x;
}
float right;
if (ei > le)
{
right = chars[le].cursorPos.x + chars[le].charWidth;
}
else
{
right = chars[ei].cursorPos.x;
}
float top = info.topY;
float down = info.endY;
var v = new HVertex();
v.position.x = left;
v.position.y = down;
v.color = color;
vert.Add(v);
v.position.x = right;
v.position.y = down;
v.color = color;
vert.Add(v);
v.position.x = left;
v.position.y = top;
v.color = color;
vert.Add(v);
v.position.x = right;
v.position.y = top;
v.color = color;
vert.Add(v);
tri.Add(st);
tri.Add(st + 2);
tri.Add(st + 3);
tri.Add(st);
tri.Add(st + 3);
tri.Add(st + 1);
st += 4;
}
}
/// <summary>
/// 获取光标的显示网格
/// </summary>
/// <param name="tri">三角形列表</param>
/// <param name="vert">顶点列表</param>
/// <param name="color">填充颜色</param>
/// <param name="start">按压信息</param>
public void GetPointer(List <int> tri, List <HVertex> vert, ref Color32 color, ref PressInfo start)
{
if (start.Row < 0)
{
return;
}
if (start.Row >= lines.Count)
{
return;
}
int index = start.Index;
if (index < 0)
{
return;
}
if (index >= chars.Count)
{
return;
}
int row = start.Row;
for (int i = 0; i < lines.Count; i++)
{
if (index <= lines[i].endIdx)
{
row = i;
break;
}
}
float top = lines[row].topY;
float down = lines[row].endY;
float p;
if (index > lines[row].endIdx)
{
index--;
if (index < 0)
{
index = 0;
}
p = chars[index].cursorPos.x + chars[index].charWidth;
}
else
{
p = chars[index].cursorPos.x;
}
float left = p - 1;
float right = p + 1;
var v = new HVertex();
v.position.x = left;
v.position.y = down;
v.color = color;
vert.Add(v);
v.position.x = right;
v.position.y = down;
v.color = color;
vert.Add(v);
v.position.x = left;
v.position.y = top;
v.color = color;
vert.Add(v);
v.position.x = right;
v.position.y = top;
v.color = color;
vert.Add(v);
tri.Add(0);
tri.Add(2);
tri.Add(3);
tri.Add(0);
tri.Add(3);
tri.Add(1);
}
protected override void OnDrag(UserAction action)
{
if (Pressed)
{
if (TextCom != null)
{
Style = 2;
if (action.Motion != Vector2.zero)
{
var p = GetPressIndex(action, action.CanPosition - RawPosition);
if (p.Offset != EndPress.Offset | p.Row != EndPress.Row)
{
ShowChanged = true;
}
EndPress = p;
}
else if (!entry)
{
float oy = action.CanPosition.y - GlobalPosition.y;
float py = GlobalScale.y * TextCom.SizeDelta.y * 0.5f;
if (oy > 0)
{
oy -= py;
}
else
{
oy += py;
}
if (oy > overDistance)
{
oy = overDistance;
}
float per = 5000 / oy;
if (per < 0)
{
per = -per;
}
overTime += UserAction.TimeSlice;
if (overTime >= per)
{
overTime -= per;
if (oy > 0)
{
MoveUp();
}
else
{
MoveDown();
}
var p = GetPressIndex(action, action.CanPosition - RawPosition);
if (p.Offset != EndPress.Offset | p.Row != EndPress.Row)
{
ShowChanged = true;
}
EndPress = p;
}
}
}
}
base.OnDrag(action);
}
