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Debugger: Fixed issues with textbox when strings are padded with spaces (to find word behind mouse cursor)

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This commit is contained in:
Sour 2019-01-04 23:29:39 -05:00
parent 2058ded5ae
commit 0587c59cbb
1 changed files with 30 additions and 37 deletions
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67
GUI.NET/Debugger/Controls/ctrlTextbox.cs
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@ -498,9 +498,10 @@ namespace Mesen.GUI.Debugger
public int GetLineIndexAtPosition(int yPos)
{
int charIndex;
int lineIndex;
GetCharIndex(new Point(0, yPos), out charIndex, out lineIndex);
int lineIndex = this.ScrollPosition + this.GetLineAtPosition(yPos);
if(lineIndex > _contents.Length && _contents.Length != 0) {
lineIndex = _contents.Length - 1;
}
return lineIndex;
}
@ -515,29 +516,20 @@ namespace Mesen.GUI.Debugger
private bool GetCharIndex(Point position, out int charIndex, out int lineIndex)
{
charIndex = -1;
charIndex = int.MaxValue;
using(Graphics g = Graphics.FromHwnd(this.Handle)) {
int marginLeft = this.GetMargin(g, true);
int positionX = position.X - marginLeft;
lineIndex = this.ScrollPosition + this.GetLineAtPosition(position.Y);
if(lineIndex > _contents.Length && _contents.Length != 0) {
lineIndex = _contents.Length - 1;
lineIndex = this.GetLineIndexAtPosition(position.Y);
if(lineIndex >= _contents.Length) {
return false;
}
if(positionX >= 0 && lineIndex < _contents.Length) {
string text = this.GetFullWidthString(lineIndex).Trim();
//Adjust background color highlights based on number of spaces in front of content
positionX -= (LineIndentations != null ? LineIndentations[lineIndex] : 0);
int previousWidth = 0;
for(int i = 0, len = text.Length; i < len; i++) {
int width = (int)g.MeasureString(text.Substring(0, i+1), this.Font, int.MaxValue, StringFormat.GenericTypographic).Width;
if(width >= positionX && previousWidth <= positionX) {
charIndex = i;
return true;
}
previousWidth = width;
}
int positionX = position.X - marginLeft;
positionX -= (LineIndentations != null ? LineIndentations[lineIndex] : 0);
if(positionX >= 0) {
float charWidth = g.MeasureString("W", this.Font, int.MaxValue, StringFormat.GenericTypographic).Width;
charIndex = (int)(positionX / charWidth);
return true;
}
}
return false;
@ -549,22 +541,23 @@ namespace Mesen.GUI.Debugger
int charIndex;
int lineIndex;
if(this.GetCharIndex(position, out charIndex, out lineIndex)) {
string text = this.GetFullWidthString(lineIndex).Trim();
if(_wordDelimiters.Contains(text[charIndex])) {
return string.Empty;
} else {
int endIndex = text.IndexOfAny(_wordDelimiters, charIndex);
if(endIndex == -1) {
endIndex = text.Length;
}
int startIndex = text.LastIndexOfAny(_wordDelimiters, charIndex);
if(startIndex >= 0 && text[startIndex] == '#' && text.Length > startIndex && text[startIndex + 1] == '$') {
//Special case for immediate values. e.g: we want to show a tooltip for #MyLabel, but not for #$EF
return text.Substring(startIndex, endIndex - startIndex);
string text = this.GetFullWidthString(lineIndex);
if(charIndex < text.Length) {
if(_wordDelimiters.Contains(text[charIndex])) {
return string.Empty;
} else {
return text.Substring(startIndex + 1, endIndex - startIndex - 1);
int endIndex = text.IndexOfAny(_wordDelimiters, charIndex);
if(endIndex == -1) {
endIndex = text.Length;
}
int startIndex = text.LastIndexOfAny(_wordDelimiters, charIndex);
if(startIndex >= 0 && text[startIndex] == '#' && text.Length > startIndex && text[startIndex + 1] == '$') {
//Special case for immediate values. e.g: we want to show a tooltip for #MyLabel, but not for #$EF
return text.Substring(startIndex, endIndex - startIndex);
} else {
return text.Substring(startIndex + 1, endIndex - startIndex - 1);
}
}
}
}