Add a circular progress bar to the manuscript build tool

novelwriter/extensions/circularprogress.py

@@ -0,0 +1,62 @@
+"""
+novelWriter – Custom Widget: ProgressCircle
+===========================================
+
+File History:
+Created: 2023-06-07 [2.1b1]
+
+This file is a part of novelWriter
+Copyright 2018–2023, Veronica Berglyd Olsen
+
+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 3 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, see <https://www.gnu.org/licenses/>.
+"""
+
+from math import ceil
+
+from PyQt5.QtGui import QPaintEvent, QPainter, QPen
+from PyQt5.QtCore import QRect, Qt
+from PyQt5.QtWidgets import QProgressBar, QSizePolicy, QWidget
+
+
+class NProgressCircle(QProgressBar):
+
+    __slots__ = ("_mPx", "_bPen", "_cPen", "_cRect", "_tColor")
+
+    def __init__(self, parent: QWidget, size: int, point: int):
+        super().__init__(parent=parent)
+        self._mPx = point
+        self._bPen = QPen(self.palette().alternateBase(), point, Qt.SolidLine, Qt.RoundCap)
+        self._cPen = QPen(self.palette().highlight(), point, Qt.SolidLine, Qt.RoundCap)
+        self._cRect = QRect(point, point, size - 2*point, size - 2*point)
+        self._tColor = self.palette().text().color()
+        self.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
+        self.setFixedWidth(size)
+        self.setFixedHeight(size)
+        return
+
+    def paintEvent(self, event: QPaintEvent):
+        """Custom painter for the progress bar."""
+        progress = 100.0*self.value()/self.maximum()
+        angle = ceil(16*3.6*progress)
+        qPaint = QPainter(self)
+        qPaint.setRenderHint(QPainter.Antialiasing, True)
+        qPaint.setPen(self._bPen)
+        qPaint.drawArc(self._cRect, 0, 360*16)
+        qPaint.setPen(self._cPen)
+        qPaint.drawArc(self._cRect, 90*16, -angle)
+        qPaint.setPen(self._tColor)
+        qPaint.drawText(self._cRect, Qt.AlignCenter, f"{progress:.1f} %")
+        return
+
+# END Class NProgressCircle

novelwriter/tools/manuscript.py

@@ -34,7 +34,7 @@ from PyQt5.QtGui import QColor, QCursor, QFont, QPalette, QResizeEvent
 from PyQt5.QtCore import QSize, QTimer, Qt, pyqtSlot
 from PyQt5.QtWidgets import (
     QDialog, QHBoxLayout, QLabel, QListWidget, QListWidgetItem, QMenu,
-    QProgressBar, QPushButton, QSplitter, QTextBrowser, QToolButton, QVBoxLayout, QWidget,
+    QPushButton, QSplitter, QTextBrowser, QToolButton, QVBoxLayout, QWidget,
     qApp
 )
 
@@ -46,6 +46,7 @@ from novelwriter.core.docbuild import NWBuildDocument
 from novelwriter.core.buildsettings import BuildCollection, BuildSettings
 from novelwriter.tools.manusbuild import GuiManuscriptBuild
 from novelwriter.tools.manussettings import GuiBuildSettings
+from novelwriter.extensions.circularprogress import NProgressCircle
 
 if TYPE_CHECKING:  # pragma: no cover
     from novelwriter.guimain import GuiMain
@@ -143,14 +144,12 @@ class GuiManuscript(QDialog):
         # Process Controls
         # ================
 
-        self.buildProgress = QProgressBar()
+        self.buildProgress = NProgressCircle(self, CONFIG.pxInt(140), CONFIG.pxInt(16))
         self.buildProgress.setValue(0)
 
-        self.btnPreview = QPushButton(self.tr("Build Preview"))
+        self.btnPreview = QPushButton(self.tr("Preview"))
         self.btnPreview.clicked.connect(self._generatePreview)
 
-        self.docPreview = _PreviewWidget(self.mainGui)
-
         self.btnBuild = QPushButton(self.tr("Build"))
         self.btnBuild.clicked.connect(self._buildManuscript)
 
@@ -164,20 +163,28 @@ class GuiManuscript(QDialog):
         self.btnClose = QPushButton(self.tr("Close"))
         self.btnClose.clicked.connect(self._doClose)
 
+        self.buildBox = QVBoxLayout()
+        self.buildBox.addStretch(1)
+        self.buildBox.addWidget(self.btnPreview, 0)
+        self.buildBox.addWidget(self.btnPrint, 0)
+        self.buildBox.addWidget(self.btnBuild, 0)
+        self.buildBox.addWidget(self.btnClose, 0)
+        self.buildBox.addStretch(1)
+        self.buildBox.setSpacing(CONFIG.pxInt(2))
+
         self.processBox = QHBoxLayout()
-        self.processBox.addWidget(self.btnBuild)
-        self.processBox.addWidget(self.btnPrint)
-        self.processBox.addWidget(self.btnClose)
+        self.processBox.addWidget(self.buildProgress)
+        self.processBox.addLayout(self.buildBox)
 
         # Assemble GUI
         # ============
 
+        self.docPreview = _PreviewWidget(self.mainGui)
+
         self.controlBox = QVBoxLayout()
-        self.controlBox.addLayout(self.listToolBox)
-        self.controlBox.addWidget(self.buildList)
-        self.controlBox.addWidget(self.buildProgress)
-        self.controlBox.addWidget(self.btnPreview)
-        self.controlBox.addLayout(self.processBox)
+        self.controlBox.addLayout(self.listToolBox, 0)
+        self.controlBox.addWidget(self.buildList, 1)
+        self.controlBox.addLayout(self.processBox, 0)
         self.controlBox.setContentsMargins(0, 0, 0, 0)
 
         self.optsWidget = QWidget()
@@ -186,6 +193,8 @@ class GuiManuscript(QDialog):
         self.mainSplit = QSplitter()
         self.mainSplit.addWidget(self.optsWidget)
         self.mainSplit.addWidget(self.docPreview)
+        self.mainSplit.setStretchFactor(0, 0)
+        self.mainSplit.setStretchFactor(1, 1)
         self.mainSplit.setSizes([
             CONFIG.pxInt(pOptions.getInt("GuiManuscript", "optsWidth", wWin//3)),
             CONFIG.pxInt(pOptions.getInt("GuiManuscript", "viewWidth", 2*wWin//3)),
@@ -288,6 +297,7 @@ class GuiManuscript(QDialog):
         self.buildProgress.setMaximum(len(docBuild))
         for step, status in docBuild.iterBuildHTML(None):
             self.buildProgress.setValue(step + 1)
+            qApp.processEvents()
 
         buildObj = docBuild.lastBuild
         assert isinstance(buildObj, ToHtml)