Merge branch 'master' of https://github.com/cbhaley/calibre

Fixes #1920592 [[Enhancement - Category editor] Searching in library automatically opens the Quickview](https://bugs.launchpad.net/calibre/+bug/1920592)
Fixes #1920576 [Enhancement Request: Template tester: Next/last book](https://bugs.launchpad.net/calibre/+bug/1920576)

src/calibre/gui2/actions/show_quickview.py

@@ -164,12 +164,13 @@ class ShowQuickviewAction(InterfaceAction):
         if self.current_instance and not self.current_instance.is_closed:
             self.current_instance.refresh(idx)
 
-    def change_quickview_column(self, idx):
+    def change_quickview_column(self, idx, show=True):
         '''
         Called from the column header context menu to change the QV query column
         '''
-        self.focus_quickview()
+        if show or (self.current_instance and not self.current_instance.is_closed):
-        self.current_instance.slave(idx)
+            self.focus_quickview()
+            self.current_instance.slave(idx)
 
     def library_changed(self, db):
         '''

src/calibre/gui2/actions/show_template_tester.py

@@ -36,16 +36,14 @@ class ShowTemplateTesterAction(InterfaceAction):
         if not rows:
             return error_dialog(self.gui, _('No books selected'),
                     _('One book must be selected'), show=True)
-        if len(rows) > 1:
+        mi = []
-            return error_dialog(self.gui, _('Selected multiple books'),
+        db = view.model().db
-                    _('Only one book can be selected'), show=True)
+        for row in rows:
-
+            if row.isValid():
-        index = rows[0]
+                mi.append(db.new_api.get_proxy_metadata(db.data.index_to_id(row.row())))
-        if index.isValid():
+        if mi:
-            db = view.model().db
             t = TemplateDialog(self.gui, self.previous_text,
-                   mi=db.get_metadata(index.row(), index_is_id=False, get_cover=False),
+                   mi, text_is_placeholder=self.first_time)
-                   text_is_placeholder=self.first_time)
             t.setWindowTitle(_('Template tester'))
             if t.exec_() == QDialog.DialogCode.Accepted:
                 self.previous_text = t.rule[1]

src/calibre/gui2/dialogs/tag_list_editor.py

@@ -330,7 +330,7 @@ class TagListEditor(QDialog, Ui_TagListEditor):
                 current_row = rows[0].row()
                 current_col = view.column_map.index(self.category)
                 index = view.model().index(current_row, current_col)
-                qv.change_quickview_column(index)
+                qv.change_quickview_column(index, show=False)
 
     def copy_to_clipboard(self, item):
         cb = QApplication.clipboard()

src/calibre/gui2/dialogs/template_dialog.py

@@ -9,7 +9,7 @@ import json, os, traceback
 
 from qt.core import (Qt, QDialog, QDialogButtonBox, QSyntaxHighlighter, QFont,
                       QRegExp, QApplication, QTextCharFormat, QColor, QCursor,
-                      QIcon, QSize, QPalette)
+                      QIcon, QSize, QPalette, QLineEdit, QByteArray)
 
 from calibre import sanitize_file_name
 from calibre.constants import config_dir
@@ -290,16 +290,18 @@ class TemplateDialog(QDialog, Ui_TemplateDialog):
             self.template_name.setVisible(False)
 
         if mi:
+            if not isinstance(mi, list):
+                mi = (mi, )
             self.mi = mi
         else:
-            self.mi = Metadata(_('Title'), [_('Author')])
+            mi = Metadata(_('Title'), [_('Author')])
-            self.mi.author_sort = _('Author Sort')
+            mi.author_sort = _('Author Sort')
-            self.mi.series = ngettext('Series', 'Series', 1)
+            mi.series = ngettext('Series', 'Series', 1)
-            self.mi.series_index = 3
+            mi.series_index = 3
-            self.mi.rating = 4.0
+            mi.rating = 4.0
-            self.mi.tags = [_('Tag 1'), _('Tag 2')]
+            mi.tags = [_('Tag 1'), _('Tag 2')]
-            self.mi.languages = ['eng']
+            mi.languages = ['eng']
-            self.mi.id = 1
+            mi.id = 1
             if fm is not None:
                 self.mi.set_all_user_metadata(fm.custom_field_metadata())
             else:
@@ -308,10 +310,43 @@ class TemplateDialog(QDialog, Ui_TemplateDialog):
                 # the columns will all be empty, which in some very unusual
                 # cases might cause formatter errors. We can live with that.
                 from calibre.gui2.ui import get_gui
-                self.mi.set_all_user_metadata(
+                mi.set_all_user_metadata(
                       get_gui().current_db.new_api.field_metadata.custom_field_metadata())
-            for col in self.mi.get_all_user_metadata(False):
+            for col in mi.get_all_user_metadata(False):
-                self.mi.set(col, (col,), 0)
+                mi.set(col, (col,), 0)
+            mi = [mi,]
+
+        # Set up the display table
+        self.table_column_widths = None
+        try:
+            self.table_column_widths = \
+                        gprefs.get('template_editor_table_widths', None)
+        except:
+            pass
+        tv = self.template_value
+        tv.setRowCount(len(mi))
+        tv.setColumnCount(2)
+        tv.setHorizontalHeaderLabels((_('Book title'), _('Template value')))
+        tv.horizontalHeader().setStretchLastSection(True)
+        tv.horizontalHeader().sectionResized.connect(self.table_column_resized)
+        # Set the height of the table
+        h = tv.rowHeight(0) * min(len(mi), 5)
+        h += 2 * tv.frameWidth() + tv.horizontalHeader().height()
+        tv.setMinimumHeight(h);
+        tv.setMaximumHeight(h);
+        # Set the size of the title column
+        if self.table_column_widths:
+            tv.setColumnWidth(0, self.table_column_widths[0])
+        else:
+            tv.setColumnWidth(0, tv.fontMetrics().averageCharWidth() * 10)
+        # Use our own widget to get rid of elision. setTextElideMode() doesn't work
+        for r in range(0, len(mi)):
+            w = QLineEdit(tv)
+            w.setReadOnly(True)
+            tv.setCellWidget(r, 0, w)
+            w = QLineEdit(tv)
+            w.setReadOnly(True)
+            tv.setCellWidget(r, 1, w)
 
         # Remove help icon on title bar
         icon = self.windowIcon()
@@ -336,8 +371,11 @@ class TemplateDialog(QDialog, Ui_TemplateDialog):
             if text_is_placeholder:
                 self.textbox.setPlaceholderText(text)
                 self.textbox.clear()
+                text = ''
             else:
                 self.textbox.setPlainText(text)
+        else:
+            text = ''
         self.buttonBox.button(QDialogButtonBox.StandardButton.Ok).setText(_('&OK'))
         self.buttonBox.button(QDialogButtonBox.StandardButton.Cancel).setText(_('&Cancel'))
         self.color_copy_button.clicked.connect(self.color_to_clipboard)
@@ -358,7 +396,7 @@ class TemplateDialog(QDialog, Ui_TemplateDialog):
                                self.function_type_string(f, longform=False)), f)
         self.function.setCurrentIndex(0)
         self.function.currentIndexChanged.connect(self.function_changed)
-        self.textbox_changed()
+        self.display_values(text)
         self.rule = (None, '')
 
         tt = _('Template language tutorial')
@@ -373,6 +411,14 @@ class TemplateDialog(QDialog, Ui_TemplateDialog):
         self.font_size_box.setValue(gprefs['gpm_template_editor_font_size'])
         self.font_size_box.valueChanged.connect(self.font_size_changed)
         self.textbox.setFocus()
+        # Now geometry
+        try:
+            geom = gprefs.get('template_editor_dialog_geometry', None)
+            if geom is not None:
+                QApplication.instance().safe_restore_geometry(self, QByteArray(geom))
+        except:
+            pass
+
 
     def font_size_changed(self, toWhat):
         gprefs['gpm_template_editor_font_size'] = toWhat
@@ -434,10 +480,20 @@ class TemplateDialog(QDialog, Ui_TemplateDialog):
             self.last_text = cur_text
             self.highlighter.regenerate_paren_positions()
             self.text_cursor_changed()
-            self.template_value.setText(
+            self.display_values(cur_text)
-                SafeFormat().safe_format(cur_text, self.mi, _('EXCEPTION: '),
+
-                                         self.mi, global_vars=self.global_vars,
+    def display_values(self, txt):
-                                         template_functions=self.all_functions))
+        tv = self.template_value
+        for r,mi in enumerate(self.mi):
+            w = tv.cellWidget(r, 0)
+            w.setText(mi.title)
+            w.setCursorPosition(0)
+            v = SafeFormat().safe_format(txt, mi, _('EXCEPTION: '),
+                                         mi, global_vars=self.global_vars,
+                                         template_functions=self.all_functions)
+            w = tv.cellWidget(r, 1)
+            w.setText(v)
+            w.setCursorPosition(0)
 
     def text_cursor_changed(self):
         cursor = self.textbox.textCursor()
@@ -472,6 +528,15 @@ class TemplateDialog(QDialog, Ui_TemplateDialog):
                 self.source_code.setPlainText(self.all_functions[name].program_text)
             self.func_type.setText(self.function_type_string(name, longform=True))
 
+    def table_column_resized(self, col, old, new):
+        self.table_column_widths = []
+        for c in range(0, self.template_value.columnCount()):
+            self.table_column_widths.append(self.template_value.columnWidth(c))
+
+    def save_geometry(self):
+        gprefs['template_editor_table_widths'] = self.table_column_widths
+        gprefs['template_editor_dialog_geometry'] = bytearray(self.saveGeometry())
+
     def accept(self):
         txt = unicode_type(self.textbox.toPlainText()).rstrip()
         if self.coloring:
@@ -496,6 +561,7 @@ class TemplateDialog(QDialog, Ui_TemplateDialog):
             self.rule = ('icon', 'title', txt)
         else:
             self.rule = ('', txt)
+        self.save_geometry()
         QDialog.accept(self)
 
     def reject(self):

src/calibre/gui2/dialogs/template_dialog.ui

@@ -183,7 +183,7 @@
            </property>
           </widget>
          </item>
-         <item row="1" column="1">
+         <item row="2" column="0" colspan="4">
           <widget class="QPlainTextEdit" name="textbox">
            <property name="toolTip">
             <string>The template program text</string>
@@ -223,11 +223,8 @@
            </property>
           </widget>
          </item>
-         <item row="5" column="1">
+         <item row="6" column="0" colspan="4">
-          <widget class="QLineEdit" name="template_value">
+          <widget class="QTableWidget" name="template_value">
-           <property name="readOnly">
-            <bool>true</bool>
-           </property>
           </widget>
          </item>
          <item row="11" column="0">
@@ -420,7 +417,7 @@
            </item>
           </layout>
          </item>
-         <item row="21" column="0" colspan="5">
+         <item row="21" column="0" colspan="4">
           <widget class="QFrame">
            <property name="frameShape">
             <enum>QFrame::HLine</enum>