Add support for global float alignment

It is now possible in the float settings (doc dialog) to specify a global
(inner) alignment for floats, and in the float settings, this can be
overridden (just as with float placement)

Fixes: #8665

File format change.

development/FORMAT

@@ -7,6 +7,14 @@ changes happened in particular if possible. A good example would be
 
 -----------------------
 
+2018-05-10  Jürgen Spitzmüller <spitz@lyx.org>
+	* format incremented to 552: support for float alignment
+	  - add buffer param \float_alignment [class|left|center|right]
+	  - add buffer param \float_placement class
+	  - add float param alignment [class|document|left|center|right]
+	  - add float param placement class (=> new param)
+	  - add float param placement document(=> like formerly empty param)
+
 2018-05-06  Jürgen Spitzmüller <spitz@lyx.org>
 	* format incremented to 551: add font info param \nospellcheck that prevents
           text from being spellchecked.

lib/lyx2lyx/lyx_2_4.py

@@ -213,6 +213,74 @@ def revert_nospellcheck(document):
         del document.body[i]
 
 
+def revert_floatpclass(document):
+    " Remove float placement params 'document' and 'class' "
+
+    i = 0
+    i = find_token(document.header, "\\float_placement class", 0)
+    if i != -1:
+        del document.header[i]
+
+    i = 0
+    while True:
+        i = find_token(document.body, '\\begin_inset Float', i)
+        if i == -1:
+            break
+        j = find_end_of_inset(document.body, i)
+        k = find_token(document.body, 'placement class', i, i + 2)
+        if k == -1:
+            k = find_token(document.body, 'placement document', i, i + 2)
+            if k != -1:
+                del document.body[k]
+            i = j
+            continue
+        del document.body[k]
+
+
+def revert_floatalignment(document):
+    " Remove float alignment params "
+
+    i = 0
+    i = find_token(document.header, "\\float_alignment", 0)
+    galignment = ""
+    if i != -1:
+        galignment = get_value(document.header, "\\float_alignment", i)
+        del document.header[i]
+
+    i = 0
+    while True:
+        i = find_token(document.body, '\\begin_inset Float', i)
+        if i == -1:
+            break
+        j = find_end_of_inset(document.body, i)
+        if j == -1:
+            document.warning("Malformed LyX document: Can't find end of inset at line " + str(i))
+            i += 1
+        k = find_token(document.body, 'alignment', i, i + 4)
+        if k == -1:
+            i = j
+            continue
+        alignment = get_value(document.body, "alignment", k)
+        if alignment == "document":
+            alignment = galignment
+        del document.body[k]
+        l = find_token(document.body, "\\begin_layout Plain Layout", i, j)
+        if l == -1:
+            document.warning("Can't find float layout!")
+            i = j
+            continue
+        alcmd = []
+        if alignment == "left":
+            alcmd = put_cmd_in_ert("\\raggedright{}")
+        elif alignment == "center":
+            alcmd = put_cmd_in_ert("\\centering{}")
+        elif alignment == "right":
+            alcmd = put_cmd_in_ert("\\raggedleft{}")
+        if len(alcmd) > 0:
+            document.body[l+1:l+1] = alcmd
+        i = j 
+
+
 ##
 # Conversion hub
 #
@@ -225,11 +293,13 @@ convert = [
            [548, []],
            [549, []],
            [550, [convert_fontenc]],
-           [551, []]
+           [551, []],
+           [552, []]
           ]
 
 revert =  [
-           [549, [revert_nospellcheck]],
+           [551, [revert_floatpclass, revert_floatalignment]],
+           [550, [revert_nospellcheck]],
            [549, [revert_fontenc]],
            [548, []],# dummy format change
            [547, [revert_lscape]],

src/Buffer.cpp

@@ -888,6 +888,7 @@ int Buffer::readHeader(Lexer & lex)
 	params().options.erase();
 	params().master.erase();
 	params().float_placement.erase();
+	params().float_alignment.erase();
 	params().paperwidth.erase();
 	params().paperheight.erase();
 	params().leftmargin.erase();

src/BufferParams.cpp

@@ -1071,6 +1071,8 @@ string BufferParams::readToken(Lexer & lex, string const & token,
 		spacing().set(spacetranslator().find(nspacing), tmp_val);
 	} else if (token == "\\float_placement") {
 		lex >> float_placement;
+	} else if (token == "\\float_alignment") {
+		lex >> float_alignment;
 
 	} else if (prefixIs(token, "\\pdf_") || token == "\\use_hyperref") {
 		string toktmp = pdfoptions().readToken(lex, token);
@@ -1261,9 +1263,10 @@ void BufferParams::writeFile(ostream & os, Buffer const * buf) const
 	os << "\\bibtex_command " << bibtex_command << '\n';
 	os << "\\index_command " << index_command << '\n';
 
-	if (!float_placement.empty()) {
+	if (!float_placement.empty())
 		os << "\\float_placement " << float_placement << '\n';
-	}
+	if (!float_alignment.empty())
+		os << "\\float_alignment " << float_alignment << '\n';
 	os << "\\paperfontsize " << fontsize << '\n';
 
 	spacing().writeFile(os);

src/BufferParams.h

@@ -352,6 +352,8 @@ public:
 	///
 	std::string float_placement;
 	///
+	std::string float_alignment;
+	///
 	unsigned int columns;
 	///
 	bool justification;

src/frontends/qt4/FloatPlacement.cpp

@@ -5,6 +5,7 @@
  *
  * \author Edwin Leuven
  * \author John Levon
+ * \author Jürgen Spitzmüller
  *
  * Full author contact details are available in file CREDITS.
  */
@@ -39,6 +40,7 @@ FloatPlacement::FloatPlacement(bool show_options, QWidget * parent)
 	setupUi(this);
 
 	connect(floatTypeCO, SIGNAL(activated(int)), this, SLOT(changedSlot()));
+	connect(placementCO, SIGNAL(activated(int)), this, SLOT(changedSlot()));
 	connect(topCB, SIGNAL(clicked()), this, SLOT(changedSlot()));
 	connect(bottomCB, SIGNAL(clicked()), this, SLOT(changedSlot()));
 	connect(pageCB, SIGNAL(clicked()), this, SLOT(changedSlot()));
@@ -47,11 +49,19 @@ FloatPlacement::FloatPlacement(bool show_options, QWidget * parent)
 	connect(ignoreCB, SIGNAL(clicked()), this, SLOT(changedSlot()));
 	connect(spanCB, SIGNAL(clicked()), this, SLOT(changedSlot()));
 	connect(sidewaysCB, SIGNAL(clicked()), this, SLOT(changedSlot()));
+	connect(alignClassDefaultRB, SIGNAL(clicked()), this, SLOT(changedSlot()));
+	connect(alignDocDefaultRB, SIGNAL(clicked()), this, SLOT(changedSlot()));
+	connect(alignLeftRB, SIGNAL(clicked()), this, SLOT(changedSlot()));
+	connect(alignCenterRB, SIGNAL(clicked()), this, SLOT(changedSlot()));
+	connect(alignRightRB, SIGNAL(clicked()), this, SLOT(changedSlot()));
 
 	floatTypeTitle->setVisible(show_options);
 	floatTypeCO->setVisible(show_options);
+	alignDocDefaultRB->setVisible(show_options);
 	spanCB->setVisible(show_options);
 	sidewaysCB->setVisible(show_options);
+	optionsGB->setVisible(show_options);
+	initFloatPlacementCO(show_options);
 }
 
 
@@ -59,7 +69,10 @@ docstring FloatPlacement::dialogToParams() const
 {
 	InsetFloatParams params;
 	params.type = fromqstr(floatTypeCO->itemData(floatTypeCO->currentIndex()).toString());
-	params.placement = get(params.wide, params.sideways);
+	params.wide = spanCB->isChecked();
+	params.sideways = sidewaysCB->isChecked();
+	params.alignment = getAlignment();
+	params.placement = getPlacement();
 	return from_ascii(InsetFloat::params2string(params));
 }
 
@@ -82,9 +95,10 @@ bool FloatPlacement::possiblePlacement(char const & p) const
 }
 
 
-void FloatPlacement::set(string const & placement)
+void FloatPlacement::setPlacement(string const & placement)
 {
 	bool def_placement = false;
+	bool doc_placement = false;
 	bool top = false;
 	bool bottom = false;
 	bool page = false;
@@ -92,9 +106,11 @@ void FloatPlacement::set(string const & placement)
 	bool force = false;
 	bool here_definitely = false;
 
-	if (placement.empty()) {
+	if (placement.empty() || placement == "class")
 		def_placement = true;
-	} else if (contains(placement, 'H') && possiblePlacement('H')) {
+	else if (placement == "document")
+		doc_placement = true;
+	else if (contains(placement, 'H') && possiblePlacement('H')) {
 		here_definitely = true;
 	} else {
 		if (contains(placement, '!') && possiblePlacement('!')) {
@@ -114,7 +130,12 @@ void FloatPlacement::set(string const & placement)
 		}
 	}
 
-	defaultsCB->setChecked(def_placement);
+	if (def_placement)
+		placementCO->setCurrentIndex(placementCO->findData(toqstr("class")));
+	else if (doc_placement)
+		placementCO->setCurrentIndex(placementCO->findData(toqstr("document")));
+	else
+		placementCO->setCurrentIndex(placementCO->findData(toqstr("custom")));
 	topCB->setChecked(top);
 	bottomCB->setChecked(bottom);
 	pageCB->setChecked(page);
@@ -125,6 +146,21 @@ void FloatPlacement::set(string const & placement)
 }
 
 
+void FloatPlacement::setAlignment(string const & alignment)
+{
+	if (alignment == "document")
+		alignDocDefaultRB->setChecked(true);
+	else if (alignment == "left")
+		alignLeftRB->setChecked(true);
+	else if (alignment == "center")
+		alignCenterRB->setChecked(true);
+	else if (alignment == "right")
+		alignRightRB->setChecked(true);
+	else
+		alignClassDefaultRB->setChecked(true);
+}
+
+
 void FloatPlacement::initFloatTypeCO(FloatList const & floats)
 {
 	if (float_list_ == &floats)
@@ -141,6 +177,15 @@ void FloatPlacement::initFloatTypeCO(FloatList const & floats)
 }
 
 
+void FloatPlacement::initFloatPlacementCO(bool const local)
+{
+	placementCO->addItem(qt_("Class Defaults"), "class");
+	if (local)
+		placementCO->addItem(qt_("Document Defaults"), "document");
+	placementCO->addItem(qt_("Custom"), "custom");
+}
+
+
 void FloatPlacement::paramsToDialog(Inset const * inset)
 {
 	InsetFloat const * fl = static_cast<InsetFloat const *>(inset);
@@ -157,7 +202,8 @@ void FloatPlacement::paramsToDialog(Inset const * inset)
 	allows_sideways_ = floats.allowsSideways(params.type);
 	allows_wide_ = floats.allowsWide(params.type);
 
-	set(params.placement);
+	setPlacement(params.placement);
+	setAlignment(params.alignment);
 
 	standardfloat_ = (params.type == "figure"
 		|| params.type == "table");
@@ -175,21 +221,16 @@ void FloatPlacement::paramsToDialog(Inset const * inset)
 }
 
 
-string const FloatPlacement::get(bool & wide, bool & sideways) const
+string const FloatPlacement::getPlacement() const
-{
-	wide = spanCB->isChecked();
-	sideways = sidewaysCB->isChecked();
-
-	return get();
-}
-
-
-string const FloatPlacement::get() const
 {
 	string placement;
 
-	if (defaultsCB->isChecked())
+	QString const data =
-		return placement;
+		placementCO->itemData(placementCO->currentIndex()).toString();
+	if (data == "class")
+		return "class";
+	if (data == "document")
+		return "document";
 
 	if (heredefinitelyCB->isChecked()) {
 		placement += 'H';
@@ -214,10 +255,24 @@ string const FloatPlacement::get() const
 }
 
 
-void FloatPlacement::on_defaultsCB_stateChanged(int state)
+string const FloatPlacement::getAlignment() const
+{
+	if (alignDocDefaultRB->isChecked())
+		return "document";
+	if (alignLeftRB->isChecked())
+		return "left";
+	if (alignCenterRB->isChecked())
+		return "center";
+	if (alignRightRB->isChecked())
+		return "right";
+	return "class";
+}
+
+
+void FloatPlacement::on_placementCO_currentIndexChanged(QString const & text)
 {
 	checkAllowed();
-	if (state == Qt::Checked)
+	if (text != "custom")
 		return;
 	if (topCB->isChecked() || bottomCB->isChecked()
 	   || pageCB->isChecked() || herepossiblyCB->isChecked()
@@ -235,7 +290,8 @@ void FloatPlacement::changedSlot()
 
 void FloatPlacement::checkAllowed() const
 {
-	bool const defaults = defaultsCB->isChecked();
+	bool const defaults =
+		placementCO->itemData(placementCO->currentIndex()).toString() != "custom";
 	bool const ignore = topCB->isChecked() || bottomCB->isChecked()
 		      || pageCB->isChecked() || herepossiblyCB->isChecked();
 	bool const heredefinitely = heredefinitelyCB->isChecked();
@@ -273,7 +329,7 @@ void FloatPlacement::checkAllowed() const
 			bottomCB->setChecked(false);
 		spanCB->setEnabled(allows_wide_ && (!sideways || standardfloat_));
 		sidewaysCB->setEnabled(allows_sideways_);
-		defaultsCB->setEnabled(!(sideways && span));
+		placementCO->setEnabled(!(sideways && span));
 	} else {
 		topCB->setEnabled(!defaults && !heredefinitely);
 		bottomCB->setEnabled(!defaults && !heredefinitely);
@@ -289,8 +345,8 @@ bool FloatPlacement::checkWidgets(bool readonly) const
 {
 	if (readonly) {
 		floatTypeCO->setEnabled(false);
-		defaultsCB->setEnabled(false);
+		placementCO->setEnabled(false);
-		options->setEnabled(false);
+		aligmentGB->setEnabled(false);
 		spanCB->setEnabled(false);
 		sidewaysCB->setEnabled(false);
 	} else

src/frontends/qt4/FloatPlacement.h

@@ -45,22 +45,26 @@ public:
 	///
 	void useSideways();
 	///
-	void set(std::string const & placement);
+	void setPlacement(std::string const & placement);
 	///
-	std::string const get() const;
+	void setAlignment(std::string const & placement);
+	///
+	std::string const getPlacement() const;
+	///
+	std::string const getAlignment() const;
 
 private Q_SLOTS:
-	void on_defaultsCB_stateChanged(int state);
+	void on_placementCO_currentIndexChanged(QString const &);
 	void changedSlot();
 
 private:
 	///
 	void checkAllowed() const;
 	///
-	std::string const get(bool & wide, bool & sideways) const;
-	///
 	void initFloatTypeCO(FloatList const & floats);
 	///
+	void initFloatPlacementCO(bool const);
+	///
 	bool possiblePlacement(char const & p) const;
 
 	/// one of figure or table?

src/frontends/qt4/GuiDocument.cpp

@@ -1556,7 +1556,7 @@ GuiDocument::GuiDocument(GuiView & lv)
 	docPS->addPanel(indicesModule, N_("Indexes"));
 	docPS->addPanel(pdfSupportModule, N_("PDF Properties"));
 	docPS->addPanel(mathsModule, N_("Math Options"));
-	docPS->addPanel(floatModule, N_("Float Placement"));
+	docPS->addPanel(floatModule, N_("Float Settings"));
 	docPS->addPanel(listingsModule, N_("Listings[[inset]]"));
 	docPS->addPanel(bulletsModule, N_("Bullets"));
 	docPS->addPanel(branchesModule, N_("Branches"));
@@ -3216,8 +3216,9 @@ void GuiDocument::applyView()
 	bp_.maintain_unincluded_children =
 		masterChildModule->maintainAuxCB->isChecked();
 
-	// Float Placement
+	// Float Settings
-	bp_.float_placement = floatModule->get();
+	bp_.float_placement = floatModule->getPlacement();
+	bp_.float_alignment = floatModule->getAlignment();
 
 	// Listings
 	// text should have passed validation
@@ -3747,7 +3748,8 @@ void GuiDocument::paramsToDialog()
 		bp_.maintain_unincluded_children);
 
 	// Float Settings
-	floatModule->set(bp_.float_placement);
+	floatModule->setPlacement(bp_.float_placement);
+	floatModule->setAlignment(bp_.float_alignment);
 
 	// ListingsSettings
 	// break listings_params to multiple lines

src/frontends/qt4/ui/FloatPlacementUi.ui

@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
  <class>FloatPlacementUi</class>
  <widget class="QWidget" name="FloatPlacementUi">
@@ -5,110 +6,52 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>207</width>
+    <width>530</width>
-    <height>382</height>
+    <height>413</height>
    </rect>
   </property>
   <property name="windowTitle">
    <string>Form</string>
   </property>
-  <layout class="QGridLayout" name="gridLayout" >
+  <layout class="QGridLayout" name="gridLayout_3">
    <item row="0" column="0">
+    <layout class="QHBoxLayout" name="horizontalLayout_2">
+     <item>
       <widget class="QLabel" name="floatTypeTitle">
        <property name="text">
-      <string>Float Type:</string>
+        <string>Float T&amp;ype:</string>
+       </property>
+       <property name="buddy">
+        <cstring>floatTypeCO</cstring>
        </property>
       </widget>
      </item>
-   <item row="0" column="1" colspan="2" >
+     <item>
       <widget class="QComboBox" name="floatTypeCO">
        <property name="sizePolicy">
-      <sizepolicy vsizetype="Fixed" hsizetype="Preferred" >
+        <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
          <horstretch>1</horstretch>
          <verstretch>0</verstretch>
         </sizepolicy>
        </property>
       </widget>
      </item>
-   <item row="1" column="0" colspan="4" >
+    </layout>
-    <widget class="QCheckBox" name="defaultsCB" >
-     <property name="text" >
-      <string>Use &amp;default placement</string>
-     </property>
-    </widget>
    </item>
-   <item row="2" column="0" colspan="4" >
+   <item row="2" column="3" rowspan="3">
-    <widget class="QGroupBox" name="options" >
+    <spacer name="verticalSpacer">
-     <property name="title" >
+     <property name="orientation">
-      <string>Advanced Placement Options</string>
+      <enum>Qt::Vertical</enum>
      </property>
-     <layout class="QGridLayout" >
+     <property name="sizeHint" stdset="0">
-      <property name="margin" >
+      <size>
-       <number>9</number>
+       <width>20</width>
+       <height>154</height>
+      </size>
      </property>
-      <property name="spacing" >
+    </spacer>
-       <number>6</number>
-      </property>
-      <item row="0" column="0" >
-       <widget class="QCheckBox" name="topCB" >
-        <property name="text" >
-         <string>&amp;Top of page</string>
-        </property>
-       </widget>
-      </item>
-      <item row="5" column="0" >
-       <widget class="QCheckBox" name="ignoreCB" >
-        <property name="text" >
-         <string>&amp;Ignore LaTeX rules</string>
-        </property>
-       </widget>
    </item>
    <item row="4" column="0">
-       <widget class="QCheckBox" name="heredefinitelyCB" >
-        <property name="text" >
-         <string>Here de&amp;finitely</string>
-        </property>
-       </widget>
-      </item>
-      <item row="3" column="0" >
-       <widget class="QCheckBox" name="herepossiblyCB" >
-        <property name="text" >
-         <string>&amp;Here if possible</string>
-        </property>
-       </widget>
-      </item>
-      <item row="2" column="0" >
-       <widget class="QCheckBox" name="pageCB" >
-        <property name="text" >
-         <string>&amp;Page of floats</string>
-        </property>
-       </widget>
-      </item>
-      <item row="1" column="0" >
-       <widget class="QCheckBox" name="bottomCB" >
-        <property name="text" >
-         <string>&amp;Bottom of page</string>
-        </property>
-       </widget>
-      </item>
-     </layout>
-    </widget>
-   </item>
-   <item row="3" column="0" colspan="2" >
-    <widget class="QCheckBox" name="spanCB" >
-     <property name="text" >
-      <string>&amp;Span columns</string>
-     </property>
-    </widget>
-   </item>
-   <item row="4" column="0" colspan="2" >
-    <widget class="QCheckBox" name="sidewaysCB" >
-     <property name="text" >
-      <string>&amp;Rotate sideways</string>
-     </property>
-    </widget>
-   </item>
-   <item row="5" column="2" colspan="2" >
     <spacer>
      <property name="orientation">
       <enum>Qt::Vertical</enum>
@@ -121,10 +64,203 @@
      </property>
     </spacer>
    </item>
+   <item row="1" column="3">
+    <widget class="QGroupBox" name="aligmentGB">
+     <property name="title">
+      <string>Alignment of Contents</string>
+     </property>
+     <property name="flat">
+      <bool>true</bool>
+     </property>
+     <layout class="QGridLayout" name="_2">
+      <property name="leftMargin">
+       <number>9</number>
+      </property>
+      <property name="topMargin">
+       <number>9</number>
+      </property>
+      <property name="rightMargin">
+       <number>9</number>
+      </property>
+      <property name="bottomMargin">
+       <number>9</number>
+      </property>
+      <property name="spacing">
+       <number>6</number>
+      </property>
+      <item row="1" column="0">
+       <widget class="QRadioButton" name="alignDocDefaultRB">
+        <property name="toolTip">
+         <string>Use the document's default alignment for floats, as specified in Document Settings.</string>
+        </property>
+        <property name="text">
+         <string>D&amp;ocument Defaults</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="0">
+       <widget class="QRadioButton" name="alignLeftRB">
+        <property name="toolTip">
+         <string>Left-align float contents</string>
+        </property>
+        <property name="text">
+         <string>&amp;Left</string>
+        </property>
+       </widget>
+      </item>
+      <item row="3" column="0">
+       <widget class="QRadioButton" name="alignCenterRB">
+        <property name="toolTip">
+         <string>Center float contents</string>
+        </property>
+        <property name="text">
+         <string>&amp;Center</string>
+        </property>
+       </widget>
+      </item>
+      <item row="4" column="0">
+       <widget class="QRadioButton" name="alignRightRB">
+        <property name="toolTip">
+         <string>Right-align float contents</string>
+        </property>
+        <property name="text">
+         <string>&amp;Right</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="0">
+       <widget class="QRadioButton" name="alignClassDefaultRB">
+        <property name="toolTip">
+         <string>Use the class' default alignment for floats, whatever it is.</string>
+        </property>
+        <property name="text">
+         <string>Class &amp;Defaults</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item row="3" column="0" colspan="2">
+    <widget class="QGroupBox" name="optionsGB">
+     <property name="title">
+      <string>Further Options</string>
+     </property>
+     <layout class="QGridLayout" name="gridLayout_2">
+      <item row="0" column="0">
+       <widget class="QCheckBox" name="spanCB">
+        <property name="text">
+         <string>&amp;Span columns</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="1">
+       <widget class="QCheckBox" name="sidewaysCB">
+        <property name="text">
+         <string>Rotate side&amp;ways</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item row="1" column="0" rowspan="2" colspan="2">
+    <widget class="QGroupBox" name="groupBox">
+     <property name="title">
+      <string>Position on Page</string>
+     </property>
+     <layout class="QGridLayout" name="gridLayout">
+      <item row="0" column="0">
+       <layout class="QHBoxLayout" name="horizontalLayout">
+        <item>
+         <widget class="QLabel" name="placementLA">
+          <property name="text">
+           <string>Place&amp;ment Settings:</string>
+          </property>
+          <property name="buddy">
+           <cstring>placementCO</cstring>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QComboBox" name="placementCO"/>
+        </item>
+       </layout>
+      </item>
+      <item row="1" column="0">
+       <widget class="QCheckBox" name="topCB">
+        <property name="text">
+         <string>&amp;Top of page</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="0">
+       <widget class="QCheckBox" name="bottomCB">
+        <property name="text">
+         <string>&amp;Bottom of page</string>
+        </property>
+       </widget>
+      </item>
+      <item row="3" column="0">
+       <widget class="QCheckBox" name="pageCB">
+        <property name="text">
+         <string>&amp;Page of floats</string>
+        </property>
+       </widget>
+      </item>
+      <item row="4" column="0">
+       <widget class="QCheckBox" name="herepossiblyCB">
+        <property name="text">
+         <string>&amp;Here if possible</string>
+        </property>
+       </widget>
+      </item>
+      <item row="5" column="0">
+       <widget class="QCheckBox" name="heredefinitelyCB">
+        <property name="text">
+         <string>Here de&amp;finitely</string>
+        </property>
+       </widget>
+      </item>
+      <item row="6" column="0">
+       <widget class="QCheckBox" name="ignoreCB">
+        <property name="text">
+         <string>&amp;Ignore LaTeX rules</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item row="0" column="1" colspan="3">
+    <spacer name="horizontalSpacer">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>303</width>
+       <height>20</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+   <item row="1" column="4">
+    <spacer name="horizontalSpacer_2">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>40</width>
+       <height>20</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
   </layout>
  </widget>
  <tabstops>
-  <tabstop>defaultsCB</tabstop>
   <tabstop>topCB</tabstop>
   <tabstop>bottomCB</tabstop>
   <tabstop>pageCB</tabstop>
@@ -136,22 +272,5 @@
   <include location="local">qt_i18n.h</include>
  </includes>
  <resources/>
- <connections>
+ <connections/>
-  <connection>
-   <sender>defaultsCB</sender>
-   <signal>toggled(bool)</signal>
-   <receiver>options</receiver>
-   <slot>setDisabled(bool)</slot>
-   <hints>
-    <hint type="sourcelabel" >
-     <x>51</x>
-     <y>20</y>
-    </hint>
-    <hint type="destinationlabel" >
-     <x>201</x>
-     <y>47</y>
-    </hint>
-   </hints>
-  </connection>
- </connections>
 </ui>

src/insets/InsetFloat.cpp

@@ -166,6 +166,7 @@ void InsetFloat::doDispatch(Cursor & cur, FuncRequest & cmd)
 			params_.wide      = params.wide;
 			params_.sideways  = params.sideways;
 		}
+		params_.alignment  = params.alignment;
 		setNewLabel();
 		if (params_.type != params.type)
 			setCaptionType(params.type);
@@ -235,6 +236,8 @@ void InsetFloatParams::write(ostream & os) const
 
 	if (!placement.empty())
 		os << "placement " << placement << "\n";
+	if (!alignment.empty())
+		os << "alignment " << alignment << "\n";
 
 	if (wide)
 		os << "wide true\n";
@@ -254,6 +257,8 @@ void InsetFloatParams::read(Lexer & lex)
 	lex >> type;
 	if (lex.checkFor("placement"))
 		lex >> placement;
+	if (lex.checkFor("alignment"))
+		lex >> alignment;
 	lex >> "wide" >> wide;
 	lex >> "sideways" >> sideways;
 }
@@ -366,13 +371,14 @@ void InsetFloat::latex(otexstream & os, OutputParams const & runparams_in) const
 	string tmpplacement;
 	string const buf_placement = buffer().params().float_placement;
 	string const def_placement = floats.defaultPlacement(params_.type);
-	if (!params_.placement.empty()
+	if (params_.placement == "document"
-	    && params_.placement != def_placement) {
-		tmpplacement = params_.placement;
-	} else if (params_.placement.empty()
 	    && !buf_placement.empty()
 	    && buf_placement != def_placement) {
 		tmpplacement = buf_placement;
+	} else if (!params_.placement.empty()
+		   && params_.placement != "document"
+		   && params_.placement != def_placement) {
+		tmpplacement = params_.placement;
 	}
 
 	// Check if placement is allowed by this float
@@ -386,6 +392,17 @@ void InsetFloat::latex(otexstream & os, OutputParams const & runparams_in) const
 			placement += *lit;
 	}
 
+	string alignment;
+	string const buf_alignment = buffer().params().float_alignment;
+	if (params_.alignment == "document"
+	    && !buf_alignment.empty()) {
+		alignment = buf_alignment;
+	} else if (!params_.alignment.empty()
+		   && params_.alignment != "class"
+		   && params_.alignment != "document") {
+		alignment = params_.alignment;
+	}
+
 	// Force \begin{<floatname>} to appear in a new line.
 	os << breakln << "\\begin{" << from_ascii(tmptype) << '}';
 	if (runparams.lastid != -1)
@@ -397,6 +414,12 @@ void InsetFloat::latex(otexstream & os, OutputParams const & runparams_in) const
 	    && (!params_.sideways || (params_.sideways && from_ascii(placement) != "p")))
 		os << '[' << from_ascii(placement) << ']';
 	os << '\n';
+	if (alignment == "left")
+		os << "\\raggedright" << breakln;
+	else if (alignment == "center")
+		os << "\\centering" << breakln;
+	else if (alignment == "right")
+		os << "\\raggedleft" << breakln;
 
 	InsetText::latex(os, runparams);
 

src/insets/InsetFloat.h

@@ -25,7 +25,8 @@ class InsetFloatParams
 {
 public:
 	///
-	InsetFloatParams() : type("senseless"), wide(false), sideways(false), subfloat(false) {}
+	InsetFloatParams() : type("senseless"), placement("document"), alignment("document"),
+		wide(false), sideways(false), subfloat(false) {}
 	///
 	void write(std::ostream & os) const;
 	///
@@ -34,6 +35,8 @@ public:
 	std::string type;
 	///
 	std::string placement;
+	///
+	std::string alignment;
 	/// span columns
 	bool wide;
 	///

src/version.h

@@ -32,8 +32,8 @@ extern char const * const lyx_version_info;
 
 // Do not remove the comment below, so we get merge conflict in
 // independent branches. Instead add your own.
-#define LYX_FORMAT_LYX 551 // spitz: \nospellcheck font param
+#define LYX_FORMAT_LYX 552 // spitz: float alignment
-#define LYX_FORMAT_TEX2LYX 551
+#define LYX_FORMAT_TEX2LYX 552
 
 #if LYX_FORMAT_TEX2LYX != LYX_FORMAT_LYX
 #ifndef _MSC_VER