summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--FL/Fl_Text_Display.H13
1 files changed, 11 insertions, 2 deletions
diff --git a/FL/Fl_Text_Display.H b/FL/Fl_Text_Display.H
index b86156583..714b8afad 100644
--- a/FL/Fl_Text_Display.H
+++ b/FL/Fl_Text_Display.H
@@ -456,7 +456,8 @@ protected:
the number of redraw calls */
int mCursorStyle; /* One of enum cursorStyles above */
int mCursorPreferredXPos; /* Pixel position for vert. cursor movement */
- int mNVisibleLines; /* # of visible (displayed) lines */
+ int mNVisibleLines; /* # of visible (displayed) lines. This is
+ also the size of the mLineStarts[] array. */
int mNBufferLines; /* # of newlines in the buffer */
Fl_Text_Buffer* mBuffer; /* Contains text to be displayed */
Fl_Text_Buffer* mStyleBuffer; /* Optional parallel buffer containing
@@ -468,7 +469,15 @@ protected:
int mContinuousWrap; /* Wrap long lines when displaying */
int mWrapMarginPix; /* Margin in # of pixels for
wrapping in continuousWrap mode */
- int* mLineStarts;
+ int* mLineStarts; /* Array of the size mNVisibleLines.
+ This array only keeps track of lines
+ within the display area. Each entry
+ contains the starting character offset
+ (from the beginning of the text buffer)
+ for each /visible/ line.
+ If wrap enabled, points to the beginning
+ of each wrap. So a long line wrapping
+ 3 times will take up 3 entries. */
int mTopLineNum; /* Line number of top displayed line
of file (first line of file is 1) */
int mAbsTopLineNum; /* In continuous wrap mode, the line