//创建文本框
public RichTextBoxEx CreateRtb()
{
count++;
RichTextBoxEx rtb = new RichTextBoxEx
{
Width = 60,
Height = 30,
Location = new Point(50, 260),
BorderStyle = BorderStyle.Fixed3D,
Name = $"rtb{count}"
};
rtbs.Add(rtb);
rtb.Enter += new EventHandler(events.rtb_FocusEnter);
rtb.Leave += new EventHandler(events.rtb_FocusLeave);
rtb.Move += new EventHandler(events.rtb_Move);
rtb.SelectionChanged += new EventHandler(events.rtb_SelectionChanged);
//rtb.SelectionChanged += new EventHandler(events.ShowFont);
rtb.MouseDown += new MouseEventHandler(events.PanelToFront);
rtb.MouseClick += new MouseEventHandler(events.PanelToFront);
events.rtbs = rtbs;
events.panels = panels;
rtb.SetFrame();
return(rtb);
}
//焦点离开文本框时隐藏工具栏
public void rtb_FocusLeave(object sender, EventArgs e)
{
RichTextBoxEx rtb = sender as RichTextBoxEx;
try
{
string StrIndex = rtb.Name.Substring(3, 1);
int index = int.Parse(StrIndex);
if (rtb.Name == $"rtb{StrIndex}")
{
if (!IsFocused(panels[index - 1]))
{
panels[index - 1].Visible = false;
rtb.Parent.Controls[0].Visible = false;
}
}
else
{
return;
}
}
catch (Exception)
{
return;
}
}
//点击文本框时工具栏在最前显示
public void PanelToFront(object sender, EventArgs e)
{
RichTextBoxEx rtb = sender as RichTextBoxEx;
string StrIndex = rtb.Name.Substring(3, 1);
int index = int.Parse(StrIndex);
panels[index - 1].BringToFront();
}
private void 插入文本框ToolStripMenuItem_Click(object sender, EventArgs e)
{
RichTextBoxEx rtb = CtrlCreate.CreateRtb();
FlowLayoutPanel panel = CtrlCreate.CreatePanel(rtb);
this.Controls.Add(rtb);
rtb.BringToFront();
this.Controls.Add(panel);
}
//选中文本更改时，遍历文本，获取每个字的字体
public void rtb_SelectionChanged(object sender, EventArgs e)
{
fonts = new List <Font>();
RichTextBoxEx rtb = sender as RichTextBoxEx;
RichTextBox temp = new RichTextBox();
int len = rtb.SelectionLength;//选中文本长度
temp.Rtf = rtb.SelectedRtf;
for (int i = 0; i < len; i++)
{
temp.Select(i, 1); //逐个选中副本中的文字
fonts.Add(temp.SelectionFont);
}
}
public static void SetFrame(this Control control)
{
FrameControl fControl = null;//边框控件
//按下鼠标键时
control.MouseDown += (sender, e) =>
{
control.BringToFront();
//清除所有控件的边框区域，最主要的是清除上次点击控件的边框，恢复原来状态
foreach (Control ctrl in control.Parent.Controls)
{
if (ctrl is FrameControl)
{
ctrl.Visible = false;
}
}
fControl = new FrameControl(control);
control.Parent.Controls.Add(fControl);
};
//鼠标单击时
control.MouseClick += (sender, e) =>
{
control.BringToFront();
try
{
RichTextBoxEx rtb = sender as RichTextBoxEx;
rtb.BorderStyle = BorderStyle.None;
}
catch (NullReferenceException)
{
return;
}
};
//鼠标键释放时
control.MouseUp += (sender, e) =>
{
control.Refresh();
//显示虚线
fControl.DrawDottedLines();
};
}
//文本框移动时对应的工具栏随之移动
public void rtb_Move(object sender, EventArgs e)
{
RichTextBoxEx rtb = sender as RichTextBoxEx;
try
{
string StrIndex = rtb.Name.Substring(3, 1);
int index = int.Parse(StrIndex);
if (rtb.Name == $"rtb{StrIndex}")
{
panels[index - 1].Location = new Point(rtbs[index - 1].Location.X, rtbs[index - 1].Location.Y - 65);
}
else
{
return;
}
}
catch (Exception)
{
return;
}
}
//焦点进入文本框时显示工具栏
public void rtb_FocusEnter(object sender, EventArgs e)
{
RichTextBoxEx rtb = sender as RichTextBoxEx;
try
{
string StrIndex = rtb.Name.Substring(3, 1);
int index = int.Parse(StrIndex);
if (rtb.Name == $"rtb{StrIndex}")
{
panels[index - 1].Visible = true;
}
else
{
return;
}
}
catch (Exception)
{
return;
}
}