Scrolling wide preformatted blocks horizontally

Not entirely glitch-free but should be good enough for now.

IssueID #44

1 files changed, 11 insertions, 2 deletions

diff --git a/src/gmdocument.h b/src/gmdocument.h
index c2a4b272..6804d772 100644
--- a/src/gmdocument.h
+++ b/src/gmdocument.h
@@ -90,11 +90,19 @@ struct Impl_GmRun {
     uint8_t   flags;
     iRect     bounds;    /* used for hit testing, may extend to edges */
     iRect     visBounds; /* actual visual bounds */
+    uint16_t  preId;     /* preformatted block ID (sequential) */
     iGmLinkId linkId;    /* zero for non-links */
     uint16_t  imageId;   /* zero if not an image */
     uint16_t  audioId;   /* zero if not audio */
 };
 
+iDeclareType(GmRunRange)
+
+struct Impl_GmRunRange {
+    const iGmRun *start;
+    const iGmRun *end;
+};
+
 const char *    findLoc_GmRun   (const iGmRun *, iInt2 pos);
 
 iDeclareClass(GmDocument)
@@ -130,8 +138,9 @@ const iString * bannerText_GmDocument       (const iGmDocument *);
 const iArray *  headings_GmDocument         (const iGmDocument *); /* array of GmHeadings */
 const iString * source_GmDocument           (const iGmDocument *);
 
-iRangecc        findText_GmDocument         (const iGmDocument *, const iString *text, const char *start);
-iRangecc        findTextBefore_GmDocument   (const iGmDocument *, const iString *text, const char *before);
+iRangecc        findText_GmDocument                 (const iGmDocument *, const iString *text, const char *start);
+iRangecc        findTextBefore_GmDocument           (const iGmDocument *, const iString *text, const char *before);
+iGmRunRange     findPreformattedRange_GmDocument    (const iGmDocument *, const iGmRun *run);
 
 enum iGmLinkPart {
     icon_GmLinkPart,