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BUG-1941: Fixed a NullReferenceException, which is the issue itself. Don't know if it was caused by a different problem.

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This commit is contained in:
Robin 2016-04-26 20:44:47 +02:00
parent 98e6be5eb6
commit 0fa6224ea6
1 changed files with 23 additions and 15 deletions
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38
Greenshot/Drawing/TextContainer.cs
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@ -22,7 +22,6 @@
using Greenshot.Drawing.Fields;
using Greenshot.Helpers;
using Greenshot.Memento;
using Greenshot.Plugin;
using Greenshot.Plugin.Drawing;
using System;
using System.ComponentModel;
@ -72,7 +71,7 @@ namespace Greenshot.Drawing {
}
internal void ChangeText(string newText, bool allowUndoable) {
if ((text == null && newText != null) || !text.Equals(newText)) {
if ((text == null && newText != null) || !string.Equals(text, newText)) {
if (makeUndoable && allowUndoable) {
makeUndoable = false;
_parent.MakeUndoable(new TextChangeMemento(this), false);
@ -123,8 +122,10 @@ namespace Greenshot.Drawing {
}
private void Init() {
_stringFormat = new StringFormat();
_stringFormat.Trimming = StringTrimming.EllipsisWord;
_stringFormat = new StringFormat
{
Trimming = StringTrimming.EllipsisWord
};
CreateTextBox();
@ -178,15 +179,18 @@ namespace Greenshot.Drawing {
}
// Only dispose the font, and re-create it, when a font field has changed.
if (e.Field.FieldType.Name.StartsWith("FONT")) {
_font.Dispose();
_font = null;
if (_font != null)
{
_font.Dispose();
_font = null;
}
UpdateFormat();
} else {
UpdateAlignment();
}
UpdateTextBoxFormat();
if (_textBox.Visible) {
if (_textBox != null && _textBox.Visible) {
_textBox.Invalidate();
}
}
@ -196,17 +200,19 @@ namespace Greenshot.Drawing {
}
private void CreateTextBox() {
_textBox = new TextBox();
_textBox = new TextBox
{
ImeMode = ImeMode.On,
Multiline = true,
AcceptsTab = true,
AcceptsReturn = true,
BorderStyle = BorderStyle.None,
Visible = false
};
_textBox.ImeMode = ImeMode.On;
_textBox.Multiline = true;
_textBox.AcceptsTab = true;
_textBox.AcceptsReturn = true;
_textBox.DataBindings.Add("Text", this, "Text", false, DataSourceUpdateMode.OnPropertyChanged);
_textBox.LostFocus += textBox_LostFocus;
_textBox.KeyDown += textBox_KeyDown;
_textBox.BorderStyle = BorderStyle.None;
_textBox.Visible = false;
}
private void ShowTextBox() {
@ -294,6 +300,7 @@ namespace Greenshot.Drawing {
}
}
}
_font?.Dispose();
_font = new Font(fam, fontSize, fs, GraphicsUnit.Pixel);
_textBox.Font = _font;
}
@ -390,7 +397,7 @@ namespace Greenshot.Drawing {
DrawSelectionBorder(graphics, rect);
}
if (text == null || text.Length == 0 ) {
if (string.IsNullOrEmpty(text) ) {
return;
}
@ -411,6 +418,7 @@ namespace Greenshot.Drawing {
/// <param name="drawingRectange"></param>
/// <param name="lineThickness"></param>
/// <param name="fontColor"></param>
/// <param name="drawShadow"></param>
/// <param name="stringFormat"></param>
/// <param name="text"></param>
/// <param name="font"></param>