Add page break markers to the QTextDocument format class

novelwriter/formats/toqdoc.py

@@ -41,7 +41,7 @@ from novelwriter.formats.tokenizer import HEADINGS, Tokenizer
 from novelwriter.types import (
     QtAlignAbsolute, QtAlignCenter, QtAlignJustify, QtAlignLeft, QtAlignRight,
     QtKeepAnchor, QtMoveAnchor, QtPageBreakAfter, QtPageBreakBefore,
-    QtTransparent, QtVAlignNormal, QtVAlignSub, QtVAlignSuper
+    QtPropLineHeight, QtTransparent, QtVAlignNormal, QtVAlignSub, QtVAlignSuper
 )
 
 logger = logging.getLogger(__name__)
@@ -75,6 +75,7 @@ class ToQTextDocument(Tokenizer):
         self._init = False
         self._bold = QFont.Weight.Bold
         self._normal = QFont.Weight.Normal
+        self._newPage = False
 
         self._pageSize = QPageSize(QPageSize.PageSizeId.A4)
         self._pageMargins = QMarginsF(20.0, 20.0, 20.0, 20.0)
@@ -102,6 +103,11 @@ class ToQTextDocument(Tokenizer):
         self._pageMargins = QMarginsF(left, top, right, bottom)
         return
 
+    def setShowNewPage(self, state: bool) -> None:
+        """Add markers for page breaks."""
+        self._newPage = state
+        return
+
     ##
     #  Class Methods
     ##
@@ -149,8 +155,6 @@ class ToQTextDocument(Tokenizer):
         # Text Formats
         # ============
 
-        QtPropLineHeight = QTextBlockFormat.LineHeightTypes.ProportionalHeight
-
         self._blockFmt = QTextBlockFormat()
         self._blockFmt.setTopMargin(self._mText[0])
         self._blockFmt.setBottomMargin(self._mText[1])
@@ -184,7 +188,6 @@ class ToQTextDocument(Tokenizer):
                 bFmt.setTopMargin(self._mSep[0])
                 bFmt.setBottomMargin(self._mSep[1])
 
-            if tStyle is not None:
             if tStyle & BlockFmt.LEFT:
                 bFmt.setAlignment(QtAlignLeft)
             elif tStyle & BlockFmt.RIGHT:
@@ -195,6 +198,7 @@ class ToQTextDocument(Tokenizer):
                 bFmt.setAlignment(QtAlignJustify)
 
             if tStyle & BlockFmt.PBB:
+                self._insertNewPageMarker(cursor)
                 bFmt.setPageBreakPolicy(QtPageBreakBefore)
             if tStyle & BlockFmt.PBA:
                 bFmt.setPageBreakPolicy(QtPageBreakAfter)
@@ -228,6 +232,9 @@ class ToQTextDocument(Tokenizer):
                 newBlock(cursor, bFmt)
                 cursor.insertText(nwUnicode.U_NBSP, self._charFmt)
 
+            if tStyle & BlockFmt.PBA:
+                self._insertNewPageMarker(cursor)
+
         self._document.blockSignals(False)
 
         return
@@ -386,6 +393,29 @@ class ToQTextDocument(Tokenizer):
 
         return
 
+    def _insertNewPageMarker(self, cursor: QTextCursor) -> None:
+        """Insert a new page marker."""
+        if self._newPage:
+            cursor.insertHtml("<hr width='100%'>")
+
+            hFmt = cursor.blockFormat()
+            hFmt.setBottomMargin(0.0)
+            hFmt.setLineHeight(75.0, QtPropLineHeight)
+            cursor.setBlockFormat(hFmt)
+
+            bFmt = QTextBlockFormat(self._blockFmt)
+            bFmt.setAlignment(QtAlignCenter)
+            bFmt.setTopMargin(0.0)
+            bFmt.setLineHeight(75.0, QtPropLineHeight)
+
+            cFmt = QTextCharFormat(self._charFmt)
+            cFmt.setFontPointSize(0.75*self._textFont.pointSizeF())
+            cFmt.setForeground(self._theme.comment)
+
+            newBlock(cursor, bFmt)
+            cursor.insertText(self._project.localLookup("New Page"), cFmt)
+        return
+
     def _genHeadStyle(self, hType: BlockTyp, hKey: str, rFmt: QTextBlockFormat) -> T_TextStyle:
         """Generate a heading style set."""
         mTop, mBottom = self._mHead.get(hType, (0.0, 0.0))

novelwriter/types.py

@@ -24,7 +24,10 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
 from __future__ import annotations
 
 from PyQt5.QtCore import Qt
-from PyQt5.QtGui import QColor, QFont, QPainter, QTextCharFormat, QTextCursor, QTextFormat
+from PyQt5.QtGui import (
+    QColor, QFont, QPainter, QTextBlockFormat, QTextCharFormat, QTextCursor,
+    QTextFormat
+)
 from PyQt5.QtWidgets import QDialog, QDialogButtonBox, QSizePolicy, QStyle
 
 # Qt Alignment Flags
@@ -48,11 +51,13 @@ QtVAlignNormal = QTextCharFormat.VerticalAlignment.AlignNormal
 QtVAlignSub = QTextCharFormat.VerticalAlignment.AlignSubScript
 QtVAlignSuper = QTextCharFormat.VerticalAlignment.AlignSuperScript
 
-# Qt Page Break
+# Qt Text Formats
 
 QtPageBreakBefore = QTextFormat.PageBreakFlag.PageBreak_AlwaysBefore
 QtPageBreakAfter = QTextFormat.PageBreakFlag.PageBreak_AlwaysAfter
 
+QtPropLineHeight = QTextBlockFormat.LineHeightTypes.ProportionalHeight
+
 # Qt Painter Types
 
 QtTransparent = QColor(0, 0, 0, 0)