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-rw-r--r--src/intlGUIEditBox.cpp39
1 files changed, 20 insertions, 19 deletions
diff --git a/src/intlGUIEditBox.cpp b/src/intlGUIEditBox.cpp
index 29f828076..37687e1e4 100644
--- a/src/intlGUIEditBox.cpp
+++ b/src/intlGUIEditBox.cpp
@@ -29,6 +29,7 @@
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
+#include <util/numeric.h>
#include "intlGUIEditBox.h"
#if defined(_IRR_COMPILE_WITH_GUI_) && IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 9
@@ -1096,39 +1097,39 @@ s32 intlGUIEditBox::getCursorPos(s32 x, s32 y)
const u32 lineCount = (WordWrap || MultiLine) ? BrokenText.size() : 1;
- core::stringw *txtLine=0;
- s32 startPos=0;
- x+=3;
+ core::stringw *txtLine = NULL;
+ s32 startPos = 0;
+ u32 curr_line_idx = 0;
+ x += 3;
- for (u32 i=0; i < lineCount; ++i)
- {
- setTextRect(i);
- if (i == 0 && y < CurrentTextRect.UpperLeftCorner.Y)
+ for (; curr_line_idx < lineCount; ++curr_line_idx) {
+ setTextRect(curr_line_idx);
+ if (curr_line_idx == 0 && y < CurrentTextRect.UpperLeftCorner.Y)
y = CurrentTextRect.UpperLeftCorner.Y;
- if (i == lineCount - 1 && y > CurrentTextRect.LowerRightCorner.Y )
+ if (curr_line_idx == lineCount - 1 && y > CurrentTextRect.LowerRightCorner.Y)
y = CurrentTextRect.LowerRightCorner.Y;
// is it inside this region?
- if (y >= CurrentTextRect.UpperLeftCorner.Y && y <= CurrentTextRect.LowerRightCorner.Y)
- {
+ if (y >= CurrentTextRect.UpperLeftCorner.Y && y <= CurrentTextRect.LowerRightCorner.Y) {
// we've found the clicked line
- txtLine = (WordWrap || MultiLine) ? &BrokenText[i] : &Text;
- startPos = (WordWrap || MultiLine) ? BrokenTextPositions[i] : 0;
+ txtLine = (WordWrap || MultiLine) ? &BrokenText[curr_line_idx] : &Text;
+ startPos = (WordWrap || MultiLine) ? BrokenTextPositions[curr_line_idx] : 0;
break;
}
}
if (x < CurrentTextRect.UpperLeftCorner.X)
x = CurrentTextRect.UpperLeftCorner.X;
+ else if (x > CurrentTextRect.LowerRightCorner.X)
+ x = CurrentTextRect.LowerRightCorner.X;
- s32 idx = font->getCharacterFromPos(Text.c_str(), x - CurrentTextRect.UpperLeftCorner.X);
-
- // click was on or left of the line
- if (idx != -1)
- return idx + startPos;
+ s32 idx = font->getCharacterFromPos(txtLine->c_str(), x - CurrentTextRect.UpperLeftCorner.X);
+ // Special handling for last line, if we are on limits, add 1 extra shift because idx
+ // will be the last char, not null char of the wstring
+ if (curr_line_idx == lineCount - 1 && x == CurrentTextRect.LowerRightCorner.X)
+ idx++;
- // click was off the right edge of the line, go to end.
- return txtLine->size() + startPos;
+ return rangelim(idx + startPos, 0, S32_MAX);
}