From 6d24d800df86e11c5686d50437932a711af82915 Mon Sep 17 00:00:00 2001
From: Jaakko Keränen <jaakko.keranen@iki.fi>
Date: Sat, 21 Nov 2020 13:19:17 +0200
Subject: DocumentWidget: Marking link icons as search matches

---
 src/gmdocument.c        | 10 +++++++++-
 src/gmdocument.h        |  1 +
 src/ui/documentwidget.c | 16 ++++++++++++++--
 3 files changed, 24 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/gmdocument.c b/src/gmdocument.c
index 62a0ba55..80ddfc9d 100644
--- a/src/gmdocument.c
+++ b/src/gmdocument.c
@@ -38,12 +38,14 @@ iDeclareType(GmLink)
 
 struct Impl_GmLink {
     iString url;
+    iRangecc urlRange; /* URL in the source */
     iTime when;
     int flags;
 };
 
 void init_GmLink(iGmLink *d) {
     init_String(&d->url);
+    d->urlRange = iNullRange;
     iZap(d->when);
     d->flags = 0;
 }
@@ -161,7 +163,8 @@ static iRangecc addLink_GmDocument_(iGmDocument *d, iRangecc line, iGmLinkId *li
     init_RegExpMatch(&m);
     if (matchRange_RegExp(pattern_, line, &m)) {
         iGmLink *link = new_GmLink();
-        setRange_String(&link->url, capturedRange_RegExpMatch(&m, 1));
+        link->urlRange = capturedRange_RegExpMatch(&m, 1);
+        setRange_String(&link->url, link->urlRange);
         set_String(&link->url, absoluteUrl_String(&d->url, &link->url));
         /* Check the URL. */ {
             iUrl parts;
@@ -1296,6 +1299,11 @@ const iString *linkUrl_GmDocument(const iGmDocument *d, iGmLinkId linkId) {
     return link ? &link->url : NULL;
 }
 
+iRangecc linkUrlRange_GmDocument(const iGmDocument *d, iGmLinkId linkId) {
+    const iGmLink *link = link_GmDocument_(d, linkId);
+    return link->urlRange;
+}
+
 int linkFlags_GmDocument(const iGmDocument *d, iGmLinkId linkId) {
     const iGmLink *link = link_GmDocument_(d, linkId);
     return link ? link->flags : 0;
diff --git a/src/gmdocument.h b/src/gmdocument.h
index 84af3c98..5234f890 100644
--- a/src/gmdocument.h
+++ b/src/gmdocument.h
@@ -144,6 +144,7 @@ const iGmRun *  findRun_GmDocument      (const iGmDocument *, iInt2 pos);
 const char *    findLoc_GmDocument      (const iGmDocument *, iInt2 pos);
 const iGmRun *  findRunAtLoc_GmDocument (const iGmDocument *, const char *loc);
 const iString * linkUrl_GmDocument      (const iGmDocument *, iGmLinkId linkId);
+iRangecc        linkUrlRange_GmDocument (const iGmDocument *, iGmLinkId linkId);
 iMediaId        linkImage_GmDocument    (const iGmDocument *, iGmLinkId linkId);
 iMediaId        linkAudio_GmDocument    (const iGmDocument *, iGmLinkId linkId);
 int             linkFlags_GmDocument    (const iGmDocument *, iGmLinkId linkId);
diff --git a/src/ui/documentwidget.c b/src/ui/documentwidget.c
index c3c0f527..b1c166aa 100644
--- a/src/ui/documentwidget.c
+++ b/src/ui/documentwidget.c
@@ -2274,14 +2274,26 @@ static void fillRange_DrawContext_(iDrawContext *d, const iGmRun *run, enum iCol
         else {
             *isInside = iTrue; /* at least until the next run */
         }
-        if (w > width_Rect(run->visBounds) - x) {
-            w = width_Rect(run->visBounds) - x;
+        if (w > width_Rect(run->bounds) - x) {
+            w = width_Rect(run->bounds) - x;
         }
         const iInt2 visPos =
             add_I2(run->bounds.pos, addY_I2(d->viewPos, -value_Anim(&d->widget->scrollY)));
         fillRect_Paint(&d->paint, (iRect){ addX_I2(visPos, x),
                                            init_I2(w, height_Rect(run->bounds)) }, color);
     }
+    /* Link URLs are not part of the visible document, so they are ignored above. Handle
+       these ranges as a special case. */
+    if (run->linkId && run->flags & decoration_GmRunFlag) {
+        const iRangecc url = linkUrlRange_GmDocument(d->widget->doc, run->linkId);
+        if (contains_Range(&url, mark.start) &&
+            (contains_Range(&url, mark.end) || url.end == mark.end)) {
+            fillRect_Paint(
+                &d->paint,
+                moved_Rect(run->visBounds, addY_I2(d->viewPos, -value_Anim(&d->widget->scrollY))),
+                color);
+        }
+    }
 }
 
 static void drawMark_DrawContext_(void *context, const iGmRun *run) {
-- 
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