From 23a58c021444dbd1b55157247ff5876f5a9d3358 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=BCrgen=20Spitzm=C3=BCller?= <spitz@lyx.org>
Date: Sat, 13 Feb 2010 08:30:16 +0000
Subject: [PATCH] * TocWidget.{cpp,h}: * TocWidgetUi.ui: 	- add filter
 bar.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@33457 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/frontends/qt4/TocWidget.cpp |  30 ++-
 src/frontends/qt4/TocWidget.h   |   1 +
 src/frontends/qt4/ui/TocUi.ui   | 338 +++++++++++++++++---------------
 3 files changed, 213 insertions(+), 156 deletions(-)

diff --git a/src/frontends/qt4/TocWidget.cpp b/src/frontends/qt4/TocWidget.cpp
index 49e96f511e..473d7de343 100644
--- a/src/frontends/qt4/TocWidget.cpp
+++ b/src/frontends/qt4/TocWidget.cpp
@@ -82,6 +82,8 @@ TocWidget::TocWidget(GuiView & gui_view, QWidget * parent)
 		this, SLOT(showContextMenu(const QPoint &)));
 	connect(tocTV, SIGNAL(customContextMenuRequested(const QPoint &)),
 		this, SLOT(showContextMenu(const QPoint &)));
+	connect(filterLE, SIGNAL(textEdited(QString)), 
+		this, SLOT(filterContents()));
 
 	init(QString());
 }
@@ -440,7 +442,6 @@ void TocWidget::updateView()
 		&& gui_view_.tocModels().isSorted(current_type_));
 	sortCB->blockSignals(false);
 
-	
 	bool const can_navigate_ = canNavigate(current_type_);
 	persistentCB->setEnabled(can_navigate_);
 
@@ -456,11 +457,38 @@ void TocWidget::updateView()
 		persistentCB->setChecked(persistent_);
 		select(gui_view_.tocModels().currentIndex(current_type_));
 	}
+	filterContents();
 	tocTV->setEnabled(true);
 	tocTV->setUpdatesEnabled(true);
 }
 
 
+void TocWidget::filterContents()
+{
+	QModelIndexList indices = tocTV->model()->match(
+		tocTV->model()->index(0, 0),
+		Qt::DisplayRole, "*", -1,
+		Qt::MatchFlags(Qt::MatchWildcard|Qt::MatchRecursive));
+
+	int size = indices.size();
+	for (int i = 0; i < size; i++) {
+		QModelIndex index = indices[i];
+		bool const matches =
+			index.data().toString().contains(
+				filterLE->text(), Qt::CaseSensitive);
+		tocTV->setRowHidden(index.row(), index.parent(), !matches);
+	}
+	// recursively unhide parents of unhidden children 
+	for (int i = size - 1; i >= 0; i--) {
+		QModelIndex index = indices[i];
+		if (!tocTV->isRowHidden(index.row(), index.parent())
+		    && index.parent() != QModelIndex())
+			tocTV->setRowHidden(index.parent().row(),
+					    index.parent().parent(), false);
+	}
+}
+
+
 static QString decodeType(QString const & str)
 {
 	QString type = str;
diff --git a/src/frontends/qt4/TocWidget.h b/src/frontends/qt4/TocWidget.h
index d2ca8b8375..7c7ca3f0e3 100644
--- a/src/frontends/qt4/TocWidget.h
+++ b/src/frontends/qt4/TocWidget.h
@@ -63,6 +63,7 @@ protected Q_SLOTS:
 	void on_moveDownTB_clicked();
 	void on_moveInTB_clicked();
 	void on_moveOutTB_clicked();
+	void filterContents();
 
 	void showContextMenu(const QPoint & pos);
 
diff --git a/src/frontends/qt4/ui/TocUi.ui b/src/frontends/qt4/ui/TocUi.ui
index 5fd75fbb83..8491a12552 100644
--- a/src/frontends/qt4/ui/TocUi.ui
+++ b/src/frontends/qt4/ui/TocUi.ui
@@ -9,13 +9,46 @@
     <x>0</x>
     <y>0</y>
     <width>202</width>
-    <height>332</height>
+    <height>355</height>
    </rect>
   </property>
   <property name="windowTitle" >
    <string/>
   </property>
-  <layout class="QGridLayout" name="gridLayout" >
+  <layout class="QGridLayout" >
+   <property name="margin" >
+    <number>9</number>
+   </property>
+   <property name="spacing" >
+    <number>6</number>
+   </property>
+   <item row="1" column="0" colspan="2" >
+    <layout class="QHBoxLayout" >
+     <property name="margin" >
+      <number>0</number>
+     </property>
+     <property name="spacing" >
+      <number>6</number>
+     </property>
+     <item>
+      <widget class="QLabel" name="filterLA" >
+       <property name="text" >
+        <string>Filter:</string>
+       </property>
+       <property name="buddy" >
+        <cstring>filterLE</cstring>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLineEdit" name="filterLE" >
+       <property name="toolTip" >
+        <string>Enter string to filter contents</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
    <item row="0" column="0" colspan="2" >
     <widget class="QComboBox" name="typeCO" >
      <property name="sizePolicy" >
@@ -31,7 +64,7 @@
      </property>
     </widget>
    </item>
-   <item row="1" column="0" colspan="2" >
+   <item row="2" column="0" colspan="2" >
     <widget class="QTreeView" name="tocTV" >
      <property name="sizePolicy" >
       <sizepolicy>
@@ -43,47 +76,135 @@
      </property>
     </widget>
    </item>
-   <item row="2" column="0" >
-    <widget class="QSlider" name="depthSL" >
-     <property name="sizePolicy" >
-      <sizepolicy>
-       <hsizetype>13</hsizetype>
-       <vsizetype>0</vsizetype>
-       <horstretch>0</horstretch>
-       <verstretch>0</verstretch>
-      </sizepolicy>
+   <item row="4" column="0" colspan="2" >
+    <layout class="QHBoxLayout" >
+     <property name="margin" >
+      <number>0</number>
      </property>
-     <property name="toolTip" >
-      <string>Adjust the depth of the navigation tree</string>
+     <property name="spacing" >
+      <number>6</number>
      </property>
-     <property name="maximum" >
-      <number>5</number>
-     </property>
-     <property name="pageStep" >
-      <number>1</number>
-     </property>
-     <property name="value" >
-      <number>2</number>
-     </property>
-     <property name="orientation" >
-      <enum>Qt::Horizontal</enum>
-     </property>
-     <property name="tickPosition" >
-      <enum>QSlider::TicksBothSides</enum>
-     </property>
-    </widget>
+     <item>
+      <widget class="QToolButton" name="updateTB" >
+       <property name="toolTip" >
+        <string>Update navigation tree</string>
+       </property>
+       <property name="text" >
+        <string>...</string>
+       </property>
+       <property name="icon" >
+        <iconset>../../../../lib/images/reload.png</iconset>
+       </property>
+       <property name="iconSize" >
+        <size>
+         <width>20</width>
+         <height>20</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer>
+       <property name="orientation" >
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" >
+        <size>
+         <width>16</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QToolButton" name="moveOutTB" >
+       <property name="toolTip" >
+        <string>Decrease nesting depth of selected item</string>
+       </property>
+       <property name="text" >
+        <string>...</string>
+       </property>
+       <property name="icon" >
+        <iconset>../../../../lib/images/promote.png</iconset>
+       </property>
+       <property name="iconSize" >
+        <size>
+         <width>20</width>
+         <height>20</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QToolButton" name="moveInTB" >
+       <property name="toolTip" >
+        <string>Increase nesting depth of selected item</string>
+       </property>
+       <property name="text" >
+        <string>...</string>
+       </property>
+       <property name="icon" >
+        <iconset>../../../../lib/images/demote.png</iconset>
+       </property>
+       <property name="iconSize" >
+        <size>
+         <width>20</width>
+         <height>20</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QToolButton" name="moveDownTB" >
+       <property name="toolTip" >
+        <string>Move selected item down by one</string>
+       </property>
+       <property name="text" >
+        <string>...</string>
+       </property>
+       <property name="icon" >
+        <iconset>../../../../lib/images/down.png</iconset>
+       </property>
+       <property name="iconSize" >
+        <size>
+         <width>20</width>
+         <height>20</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QToolButton" name="moveUpTB" >
+       <property name="toolTip" >
+        <string>Move selected item up by one</string>
+       </property>
+       <property name="text" >
+        <string>...</string>
+       </property>
+       <property name="icon" >
+        <iconset>../../../../lib/images/up.png</iconset>
+       </property>
+       <property name="iconSize" >
+        <size>
+         <width>20</width>
+         <height>20</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+    </layout>
    </item>
-   <item row="2" column="1" >
-    <layout class="QVBoxLayout" name="_2" >
+   <item row="3" column="1" >
+    <layout class="QVBoxLayout" >
+     <property name="margin" >
+      <number>4</number>
+     </property>
      <property name="spacing" >
       <number>0</number>
      </property>
      <property name="sizeConstraint" >
       <enum>QLayout::SetMinimumSize</enum>
      </property>
-     <property name="margin" >
-      <number>4</number>
-     </property>
      <item>
       <widget class="QCheckBox" name="sortCB" >
        <property name="sizePolicy" >
@@ -131,128 +252,35 @@
      </item>
     </layout>
    </item>
-   <item row="3" column="0" colspan="2" >
-    <layout class="QHBoxLayout" >
-     <property name="spacing" >
-      <number>6</number>
+   <item row="3" column="0" >
+    <widget class="QSlider" name="depthSL" >
+     <property name="sizePolicy" >
+      <sizepolicy>
+       <hsizetype>13</hsizetype>
+       <vsizetype>0</vsizetype>
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
      </property>
-     <property name="margin" >
-      <number>0</number>
+     <property name="toolTip" >
+      <string>Adjust the depth of the navigation tree</string>
      </property>
-     <item>
-      <widget class="QToolButton" name="updateTB" >
-       <property name="toolTip" >
-        <string>Update navigation tree</string>
-       </property>
-       <property name="text" >
-        <string>...</string>
-       </property>
-       <property name="icon" >
-        <iconset>
-         <normaloff>../../../../lib/images/reload.png</normaloff>../../../../lib/images/reload.png</iconset>
-       </property>
-       <property name="iconSize" >
-        <size>
-         <width>20</width>
-         <height>20</height>
-        </size>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <spacer>
-       <property name="orientation" >
-        <enum>Qt::Horizontal</enum>
-       </property>
-       <property name="sizeHint" stdset="0" >
-        <size>
-         <width>16</width>
-         <height>20</height>
-        </size>
-       </property>
-      </spacer>
-     </item>
-     <item>
-      <widget class="QToolButton" name="moveOutTB" >
-       <property name="toolTip" >
-        <string>Decrease nesting depth of selected item</string>
-       </property>
-       <property name="text" >
-        <string>...</string>
-       </property>
-       <property name="icon" >
-        <iconset>
-         <normaloff>../../../../lib/images/promote.png</normaloff>../../../../lib/images/promote.png</iconset>
-       </property>
-       <property name="iconSize" >
-        <size>
-         <width>20</width>
-         <height>20</height>
-        </size>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <widget class="QToolButton" name="moveInTB" >
-       <property name="toolTip" >
-        <string>Increase nesting depth of selected item</string>
-       </property>
-       <property name="text" >
-        <string>...</string>
-       </property>
-       <property name="icon" >
-        <iconset>
-         <normaloff>../../../../lib/images/demote.png</normaloff>../../../../lib/images/demote.png</iconset>
-       </property>
-       <property name="iconSize" >
-        <size>
-         <width>20</width>
-         <height>20</height>
-        </size>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <widget class="QToolButton" name="moveDownTB" >
-       <property name="toolTip" >
-        <string>Move selected item down by one</string>
-       </property>
-       <property name="text" >
-        <string>...</string>
-       </property>
-       <property name="icon" >
-        <iconset>
-         <normaloff>../../../../lib/images/down.png</normaloff>../../../../lib/images/down.png</iconset>
-       </property>
-       <property name="iconSize" >
-        <size>
-         <width>20</width>
-         <height>20</height>
-        </size>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <widget class="QToolButton" name="moveUpTB" >
-       <property name="toolTip" >
-        <string>Move selected item up by one</string>
-       </property>
-       <property name="text" >
-        <string>...</string>
-       </property>
-       <property name="icon" >
-        <iconset>
-         <normaloff>../../../../lib/images/up.png</normaloff>../../../../lib/images/up.png</iconset>
-       </property>
-       <property name="iconSize" >
-        <size>
-         <width>20</width>
-         <height>20</height>
-        </size>
-       </property>
-      </widget>
-     </item>
-    </layout>
+     <property name="maximum" >
+      <number>5</number>
+     </property>
+     <property name="pageStep" >
+      <number>1</number>
+     </property>
+     <property name="value" >
+      <number>2</number>
+     </property>
+     <property name="orientation" >
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="tickPosition" >
+      <enum>QSlider::TicksBothSides</enum>
+     </property>
+    </widget>
    </item>
   </layout>
  </widget>