Add search to snippets window + dont display snippets where no actual match is found

src/qtgui/snippets.ui

@@ -16,7 +16,9 @@
   <property name="sizeGripEnabled">
    <bool>true</bool>
   </property>
-  <layout class="QVBoxLayout" name="verticalLayout">
+  <layout class="QVBoxLayout" name="verticalLayout_3">
+   <item>
+    <layout class="QVBoxLayout" name="verticalLayout_2">
      <item>
       <widget class="QWebView" name="webView">
        <property name="url">
@@ -26,6 +28,79 @@
        </property>
       </widget>
      </item>
+     <item>
+      <widget class="QFrame" name="searchFM">
+       <property name="frameShape">
+        <enum>QFrame::StyledPanel</enum>
+       </property>
+       <property name="frameShadow">
+        <enum>QFrame::Raised</enum>
+       </property>
+       <layout class="QHBoxLayout" name="horizontalLayout">
+        <item>
+         <widget class="QToolButton" name="searchClosePB">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="text">
+           <string notr="true">X</string>
+          </property>
+          <property name="toolButtonStyle">
+           <enum>Qt::ToolButtonTextOnly</enum>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QLabel" name="searchLB">
+          <property name="text">
+           <string>Find:</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QLineEdit" name="searchLE">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QPushButton" name="nextPB">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="text">
+           <string>Next</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QPushButton" name="prevPB">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="text">
+           <string>Prev</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </widget>
+     </item>
+    </layout>
+   </item>
    <item>
     <widget class="QDialogButtonBox" name="buttonBox">
      <property name="orientation">
@@ -63,5 +138,21 @@
     </hint>
    </hints>
   </connection>
+  <connection>
+   <sender>searchClosePB</sender>
+   <signal>clicked()</signal>
+   <receiver>searchFM</receiver>
+   <slot>hide()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>33</x>
+     <y>414</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>328</x>
+     <y>414</y>
+    </hint>
+   </hints>
+  </connection>
  </connections>
 </ui>

src/qtgui/snippets_w.cpp

@@ -21,8 +21,13 @@
 
 #include <string>
 #include <vector>
+#include <sstream>
 using namespace std;
 
+#include <QWebSettings>
+#include <QWebFrame>
+#include <QShortcut>
+
 #include "debuglog.h"
 #include "recoll.h"
 #include "snippets_w.h"
@@ -50,6 +55,25 @@ void SnippetsW::init()
     if (m_source.isNull())
 	return;
 
+    searchFM->hide();
+    webView->page()->currentFrame()->setScrollBarPolicy(Qt::Horizontal,
+							Qt::ScrollBarAlwaysOff);
+
+
+    new QShortcut(QKeySequence::Find, this, SLOT(slotEditFind()));
+    new QShortcut(QKeySequence(Qt::Key_Slash), this, SLOT(slotEditFind()));
+    new QShortcut(QKeySequence::FindNext, this, SLOT(slotEditFindNext()));
+    new QShortcut(QKeySequence::FindPrevious, this, 
+		  SLOT(slotEditFindPrevious()));
+    connect(searchLE, SIGNAL(textChanged(const QString&)), 
+	    this, SLOT(slotSearchTextChanged(const QString&)));
+    connect(nextPB, SIGNAL(clicked()), this, SLOT(slotEditFindNext()));
+    new QShortcut(QKeySequence(Qt::Key_F3), this, SLOT(slotEditFindNext()));
+    connect(prevPB, SIGNAL(clicked()), this, SLOT(slotEditFindPrevious()));
+    connect(webView, SIGNAL(linkClicked(const QUrl &)), 
+	    this, SLOT(linkWasClicked(const QUrl &)));
+    webView->page()->setLinkDelegationPolicy(QWebPage::DelegateAllLinks);
+
     // Make title out of file name if none yet
     string titleOrFilename;
     string utf8fn;
@@ -58,7 +82,6 @@ void SnippetsW::init()
     if (titleOrFilename.empty()) {
 	titleOrFilename = utf8fn;
     }
-
     setWindowTitle(QString::fromUtf8(titleOrFilename.c_str()));
 
     vector<Rcl::Snippet> vpabs;
@@ -67,43 +90,60 @@ void SnippetsW::init()
     HighlightData hdata;
     m_source->getTerms(hdata);
 
-    QString html = QString::fromAscii(
+    ostringstream oss;
+    oss << 
 	"<html><head>"
 	"<meta http-equiv=\"content-type\" "
 	"content=\"text/html; charset=utf-8\"></head>"
 	"<body style='overflow-x: scroll; white-space: nowrap'>"
 	"<table>"
-				      );
+	;
 
     g_hiliter.set_inputhtml(false);
 
     for (vector<Rcl::Snippet>::const_iterator it = vpabs.begin(); 
 	 it != vpabs.end(); it++) {
-	html += "<tr><td>";
-	if (it->page > 0) {
-	    char txt[100];
-	    sprintf(txt, "P.&nbsp;%d", it->page);
-	    char url[100];
-	    sprintf(url, "P%dT%s", it->page, it->term.c_str());
-	    html += "<a href=\"";
-	    html += url;
-	    html += "\">";
-	    html += txt;
-	    html += "</a>";
-	}
-	html += "</td><td>";
 	list<string> lr;
-	g_hiliter.plaintorich(it->snippet, lr, hdata);
-	html.append(QString::fromUtf8(lr.front().c_str()));
-	html.append("</td></tr>\n");
+	if (!g_hiliter.plaintorich(it->snippet, lr, hdata)) {
+	    LOGDEB1(("No match for [%s]\n", it->snippet.c_str()));
+	    continue;
 	}
-    html.append("</body></html>");
-    webView->setHtml(html);
-    connect(webView, SIGNAL(linkClicked(const QUrl &)), 
-	    this, SLOT(linkWasClicked(const QUrl &)));
-    webView->page()->setLinkDelegationPolicy(QWebPage::DelegateAllLinks);
+	oss << "<tr><td>";
+	if (it->page > 0) {
+	    oss << "<a href=\"P" << it->page << "T" << it->term << "\">" 
+		<< "P.&nbsp;" << it->page << "</a>";
+	}
+	oss << "</td><td>" << lr.front().c_str() << "</td></tr>" << endl;
+    }
+    oss << "</body></html>";
+
+    QWebSettings *ws = webView->page()->settings();
+    if (prefs.reslistfontfamily != "") {
+	ws->setFontFamily(QWebSettings::StandardFont, prefs.reslistfontfamily);
+	ws->setFontSize(QWebSettings::DefaultFontSize, prefs.reslistfontsize);
+    }
+
+    webView->setHtml(QString::fromUtf8(oss.str().c_str()));
 }
 
+void SnippetsW::slotEditFind()
+{
+    searchFM->show();
+    searchLE->selectAll();
+    searchLE->setFocus();
+}
+void SnippetsW::slotEditFindNext()
+{
+    webView->findText(searchLE->text());
+}
+void SnippetsW::slotEditFindPrevious()
+{
+    webView->findText(searchLE->text(), QWebPage::FindBackward);
+}
+void SnippetsW::slotSearchTextChanged(const QString& txt)
+{
+    webView->findText(txt);
+}
 
 void SnippetsW::linkWasClicked(const QUrl &url)
 {

src/qtgui/snippets_w.h

@@ -38,7 +38,10 @@ public:
 
 protected slots:
     virtual void linkWasClicked(const QUrl &);
-
+    virtual void slotEditFind();
+    virtual void slotEditFindNext();
+    virtual void slotEditFindPrevious();
+    virtual void slotSearchTextChanged(const QString&);
 signals:
     void startNativeViewer(Rcl::Doc, int pagenum, QString term);