GUI: allow choosing a style sheet to be used by the recoll app

src/doc/user/usermanual.sgml

@@ -3263,10 +3263,20 @@ while query.next >= 0 and query.next < nres:
 
       <para>Most of the parameters specific to the
         <command>recoll</command> GUI are set through the
-        <guilabel>Preferences</guilabel> menu and stored in the
+        <guilabel>Preferences</guilabel> menu and stored in the standard Qt
-        standard Qt place (<filename>$HOME/.qt/recollrc</filename>). 
+        place (<filename>$HOME/.config/Recoll.org/recoll.conf</filename>).
         You probably do not want to edit this by hand.</para>
 
+      <note><para>One of these parameters is the name of a
+      <application>Qt</application> style sheet text file which is applied
+      to the whole Recoll application on startup. The default value is
+      empty, but there is a skeleton style sheet
+      (<filename>recoll.qss</filename>) inside the
+      <filename>/usr/share/recoll/examples</filename> directory. Using a
+      style sheet, you can change most Recoll graphical parameters: colors,
+      fonts, etc. See the sample file for a few simple examples.</para>
+      </note>
+
       <para>&RCL; indexing options are set inside text configuration
         files located in a configuration directory. There can be
         several such directories, each of which define the parameters

src/qtgui/guiutils.cpp

@@ -152,6 +152,7 @@ void rwSettings(bool writing)
 	    prefs.creslistformat = (const char*)prefs.reslistformat.toUtf8();
 	}
     }
+    SETTING_RW(prefs.stylesheetFile, "/Recoll/prefs/stylesheet", String, "");
     SETTING_RW(prefs.queryStemLang, "/Recoll/prefs/query/stemLang", String,
 	       "english");
     SETTING_RW(prefs.useDesktopOpen, 
@@ -330,7 +331,7 @@ void rwSettings(bool writing)
     }
 }
 
-QString myGetFileName(bool isdir, QString caption)
+QString myGetFileName(bool isdir, QString caption, bool filenosave)
 {
     LOGDEB1(("myFileDialog: isdir %d\n", isdir));
     QFileDialog dialog(0, caption);
@@ -340,7 +341,10 @@ QString myGetFileName(bool isdir, QString caption)
 	dialog.setOptions(QFileDialog::ShowDirsOnly);
     } else {
 	dialog.setFileMode(QFileDialog::AnyFile);
-	dialog.setAcceptMode(QFileDialog::AcceptSave);
+	if (filenosave)
+	    dialog.setAcceptMode(QFileDialog::AcceptOpen);
+	else
+	    dialog.setAcceptMode(QFileDialog::AcceptSave);
     }
     dialog.setViewMode(QFileDialog::List);
     QFlags<QDir::Filter> flags = QDir::NoDotAndDotDot | QDir::Hidden; 
@@ -350,7 +354,6 @@ QString myGetFileName(bool isdir, QString caption)
 	flags |= QDir::Dirs | QDir::Files;
     dialog.setFilter(flags);
 
-
     if (dialog.exec() == QDialog::Accepted) {
         return dialog.selectedFiles().value(0);
     }

src/qtgui/guiutils.h

@@ -50,6 +50,7 @@ class PrefsPack {
     string  creslistformat;
     // Abstract snippet separator
     QString abssep;
+    QString stylesheetFile;
     QString queryStemLang;
     int mainwidth;
     int mainheight;
@@ -136,6 +137,7 @@ extern QString g_stringAllStem, g_stringNoStem;
 
 /** Specialized version of the qt file dialog. Can't use getOpenFile()
    etc. cause they hide dot files... */
-extern QString myGetFileName(bool isdir, QString caption = QString());
+extern QString myGetFileName(bool isdir, QString caption = QString(),
+			     bool filenosave = false);
 
 #endif /* _GUIUTILS_H_INCLUDED_ */

src/qtgui/main.cpp

@@ -45,6 +45,8 @@
 #include "rclaspell.h"
 #endif
 #include "smallut.h"
+#include "readfile.h"
+
 #include "recollq.h"
 
 RclConfig *theconfig;
@@ -315,6 +317,13 @@ int main(int argc, char **argv)
     havereadsettings = true;
     //    fprintf(stderr, "Settings done\n");
 
+    if (!prefs.stylesheetFile.isEmpty()) {
+	string stylesheet;
+	file_to_string((const char *)prefs.stylesheetFile.toLocal8Bit(),
+		       stylesheet);
+	if (!stylesheet.empty())
+	    app.setStyleSheet(QString::fromAscii(stylesheet.c_str()));
+    }
 
     // Create main window and set its size to previous session's
     RclMain w;

src/qtgui/uiprefs.ui

@@ -22,7 +22,7 @@
      <item>
       <widget class="QTabWidget" name="tabWidget">
        <property name="currentIndex">
-        <number>1</number>
+        <number>0</number>
        </property>
        <widget class="QWidget" name="tab">
         <attribute name="title">
@@ -61,19 +61,6 @@
              </item>
             </layout>
            </item>
-           <item>
-            <widget class="QCheckBox" name="collapseDupsCB">
-             <property name="toolTip">
-              <string>If checked, results with the same content under different names will only be shown once.</string>
-             </property>
-             <property name="text">
-              <string>Hide duplicate results.</string>
-             </property>
-             <property name="checked">
-              <bool>false</bool>
-             </property>
-            </widget>
-           </item>
            <item>
             <layout class="QHBoxLayout">
              <item>
@@ -201,6 +188,40 @@
              </item>
             </layout>
            </item>
+           <item>
+            <layout class="QHBoxLayout">
+             <item>
+              <widget class="QLabel" name="tLSTL">
+               <property name="text">
+                <string>Style sheet</string>
+               </property>
+               <property name="wordWrap">
+                <bool>false</bool>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QPushButton" name="stylesheetPB">
+               <property name="toolTip">
+                <string>Opens a dialog to select the style sheet file</string>
+               </property>
+               <property name="text">
+                <string>Choose</string>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QPushButton" name="resetSSPB">
+               <property name="toolTip">
+                <string>Resets the style sheet to default</string>
+               </property>
+               <property name="text">
+                <string>Reset</string>
+               </property>
+              </widget>
+             </item>
+            </layout>
+           </item>
            <item>
             <layout class="QHBoxLayout">
              <item>
@@ -323,6 +344,19 @@
          <string>Search parameters</string>
         </attribute>
         <layout class="QVBoxLayout">
+           <item>
+            <widget class="QCheckBox" name="collapseDupsCB">
+             <property name="toolTip">
+              <string>If checked, results with the same content under different names will only be shown once.</string>
+             </property>
+             <property name="text">
+              <string>Hide duplicate results.</string>
+             </property>
+             <property name="checked">
+              <bool>false</bool>
+             </property>
+            </widget>
+           </item>
          <item>
           <layout class="QVBoxLayout">
            <item>
@@ -342,6 +376,16 @@
              </item>
             </layout>
            </item>
+           <item>
+            <widget class="Line" name="lineX">
+             <property name="frameShape">
+              <enum>QFrame::HLine</enum>
+             </property>
+             <property name="frameShadow">
+              <enum>QFrame::Sunken</enum>
+             </property>
+            </widget>
+           </item>
            <item>
             <widget class="QCheckBox" name="autoPhraseCB">
              <property name="toolTip">

src/qtgui/uiprefs_w.cpp

@@ -57,6 +57,8 @@ void UIPrefsDialog::init()
     connect(viewActionPB, SIGNAL(clicked()), this, SLOT(showViewAction()));
     connect(reslistFontPB, SIGNAL(clicked()), this, SLOT(showFontDialog()));
     connect(resetFontPB, SIGNAL(clicked()), this, SLOT(resetReslistFont()));
+    connect(stylesheetPB, SIGNAL(clicked()), this, SLOT(showStylesheetDialog()));
+    connect(resetSSPB, SIGNAL(clicked()), this, SLOT(resetStylesheet()));
 
     connect(addExtraDbPB, SIGNAL(clicked()), 
 	    this, SLOT(addExtraDbPB_clicked()));
@@ -116,6 +118,16 @@ void UIPrefsDialog::setFromPrefs()
 	reslistFontPB->setText(reslistFontFamily + "-" +
 			       s.setNum(reslistFontSize));
     }
+
+    // Style sheet
+    stylesheetFile = prefs.stylesheetFile;
+    if (stylesheetFile.isEmpty()) {
+	stylesheetPB->setText(tr("Choose"));
+    } else {
+	string nm = path_getsimple((const char *)stylesheetFile.toLocal8Bit());
+	stylesheetPB->setText(QString::fromLocal8Bit(nm.c_str()));
+    }
+
     rlfTE->setPlainText(prefs.reslistformat);
 
     // Stemming language combobox
@@ -185,11 +197,13 @@ void UIPrefsDialog::accept()
 
     prefs.reslistfontfamily = reslistFontFamily;
     prefs.reslistfontsize = reslistFontSize;
+    prefs.stylesheetFile = stylesheetFile;
     prefs.reslistformat =  rlfTE->toPlainText();
     if (prefs.reslistformat.trimmed().isEmpty()) {
 	prefs.reslistformat = prefs.dfltResListFormat;
 	rlfTE->setPlainText(prefs.reslistformat);
     }
+
     prefs.creslistformat = (const char*)prefs.reslistformat.toUtf8();
 
     if (stemLangCMB->currentIndex() == 0) {
@@ -289,6 +303,19 @@ void UIPrefsDialog::showFontDialog()
     }
 }
 
+void UIPrefsDialog::showStylesheetDialog()
+{
+    stylesheetFile = myGetFileName(false, "Select stylesheet file", true);
+    string nm = path_getsimple((const char *)stylesheetFile.toLocal8Bit());
+    stylesheetPB->setText(QString::fromLocal8Bit(nm.c_str()));
+}
+
+void UIPrefsDialog::resetStylesheet()
+{
+    stylesheetFile = "";
+    stylesheetPB->setText(tr("Choose"));
+}
+
 void UIPrefsDialog::resetReslistFont()
 {
     reslistFontFamily = "";

src/qtgui/uiprefs_w.h

@@ -39,14 +39,17 @@ public:
 
     QString reslistFontFamily;
     int reslistFontSize;
+    QString stylesheetFile;
 
     virtual void init();
 
 public slots:
     virtual void showFontDialog();
+    virtual void resetReslistFont();
+    virtual void showStylesheetDialog();
+    virtual void resetStylesheet();
     virtual void showViewAction();
     virtual void showViewAction(const QString& mt);
-    virtual void resetReslistFont();
     virtual void addExtraDbPB_clicked();
     virtual void delExtraDbPB_clicked();
     virtual void togExtraDbPB_clicked();

src/recollinstall.in

@@ -117,6 +117,7 @@ ${INSTALL} -m 0444 \
 	   sampleconf/recoll.conf \
            sampleconf/mimemap \
            sampleconf/fields \
+           sampleconf/recoll.qss \
 	   ${datadir}/recoll/examples/ || exit 1
 ${INSTALL} -m 0755 index/rclmon.sh ${datadir}/recoll/examples/ || exit 1
 

src/sampleconf/recoll.qss

@@ -0,0 +1,44 @@
+/* Copyright (C) 2004 J.F.Dockes
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the
+ *   Free Software Foundation, Inc.,
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+/* 
+   This is an embryonic example Qt style sheet for Recoll. It is not really
+   supposed to be less ugly than the default look, it's just provided in
+   hope that someone with better taste will want to step in, or you can use
+   it to indulge your preference for bright red backgrounds...
+
+   If you do want to use it, and encounter a difficulty due to (lack of)
+   widget object names or whatever, please get in touch, I'll fix what
+   needs to be.
+
+*/
+
+
+* {
+    background: #eeeeee;
+}
+
+QComboBox[editable="true"], QTextEdit, QLineEdit, QTextBrowser, QTableView { 
+    background: #ffffee;
+}
+
+
+Preview QTextEdit { 
+    background: white;
+    font-family: Serif;
+    font-size: 12pt;
+}