Keep list of recently opened books

src/calibre/gui2/__init__.py

@@ -1053,6 +1053,25 @@ def rating_font():
     global _rating_font
     return _rating_font
 
+def elided_text(text, font=None, width=300, pos='middle'):
+    ''' Return a version of text that is n wider than width pixels when
+    rendered, replacing characters from the left, middle or right (as per pos)
+    of the string with an ellipsis. Results in a string much closer to the
+    limit than Qt's elidedText().'''
+    from PyQt4.Qt import QFontMetrics, QApplication
+    fm = QApplication.fontMetrics() if font is None else QFontMetrics(font)
+    delta = 4
+    ellipsis = u'\u2026'
+
+    def remove_middle(x):
+        mid = len(x) // 2
+        return x[:max(0, mid - (delta//2))] + ellipsis + x[mid + (delta//2):]
+
+    chomp = {'middle':remove_middle, 'left':lambda x:(ellipsis + x[delta:]), 'right':lambda x:(x[:-delta] + ellipsis)}[pos]
+    while len(text) > delta and fm.width(text) > width:
+        text = chomp(text)
+    return unicode(text)
+
 def find_forms(srcdir):
     base = os.path.join(srcdir, 'calibre', 'gui2')
     forms = []

src/calibre/gui2/tweak_book/__init__.py

@@ -27,13 +27,6 @@ def set_current_container(container):
     global _current_container
     _current_container = container
 
-def elided_text(font, text, width=200, mode=None):
-    from PyQt4.Qt import QFontMetrics, Qt
-    if mode is None:
-        mode = Qt.ElideMiddle
-    fm = QFontMetrics(font)
-    return unicode(fm.elidedText(text, mode, int(width)))
-
 class NonReplaceDict(dict):
 
     def __setitem__(self, k, v):

src/calibre/gui2/tweak_book/boss.py

@@ -169,6 +169,13 @@ class Boss(QObject):
         self.gui.file_list.build(container, preserve_state=False)
         self.gui.action_save.setEnabled(False)
         self.update_global_history_actions()
+        recent_books = list(tprefs.get('recent-books', []))
+        path = container.path_to_ebook
+        if path in recent_books:
+            recent_books.remove(path)
+        recent_books.insert(0, path)
+        tprefs['recent-books'] = recent_books[:10]
+        self.gui.update_recent_books()
 
     def update_editors_from_container(self, container=None):
         c = container or current_container()

src/calibre/gui2/tweak_book/file_list.py

@@ -20,8 +20,8 @@ from calibre.ebooks.oeb.base import OEB_STYLES, OEB_DOCS
 from calibre.ebooks.oeb.polish.container import guess_type, OEB_FONTS
 from calibre.ebooks.oeb.polish.cover import (
     get_cover_page_name, get_raster_cover_name, is_raster_image)
-from calibre.gui2 import error_dialog, choose_files, question_dialog
-from calibre.gui2.tweak_book import current_container, elided_text
+from calibre.gui2 import error_dialog, choose_files, question_dialog, elided_text
+from calibre.gui2.tweak_book import current_container
 from calibre.gui2.tweak_book.editor import syntax_from_mime
 from calibre.gui2.tweak_book.templates import template_for
 from calibre.utils.icu import sort_key
@@ -310,11 +310,11 @@ class FileList(QTreeWidget):
             cn = unicode(ci.data(0, NAME_ROLE).toString())
             mt = unicode(ci.data(0, MIME_ROLE).toString())
             cat = unicode(ci.data(0, CATEGORY_ROLE).toString())
-            m.addAction(QIcon(I('modified.png')), _('&Rename %s') % (elided_text(self.font(), cn)), self.edit_current_item)
+            m.addAction(QIcon(I('modified.png')), _('&Rename %s') % (elided_text(cn)), self.edit_current_item)
             if is_raster_image(mt):
-                m.addAction(QIcon(I('default_cover.png')), _('Mark %s as cover image') % elided_text(self.font(), cn), partial(self.mark_as_cover, cn))
+                m.addAction(QIcon(I('default_cover.png')), _('Mark %s as cover image') % elided_text(cn), partial(self.mark_as_cover, cn))
             elif current_container().SUPPORTS_TITLEPAGES and mt in OEB_DOCS and cat == 'text':
-                m.addAction(QIcon(I('default_cover.png')), _('Mark %s as title/cover page') % elided_text(self.font(), cn), partial(self.mark_as_titlepage, cn))
+                m.addAction(QIcon(I('default_cover.png')), _('Mark %s as title/cover page') % elided_text(cn), partial(self.mark_as_titlepage, cn))
 
         selected_map = defaultdict(list)
         for item in sel:
@@ -358,7 +358,7 @@ class FileList(QTreeWidget):
             move_to_start = question_dialog(self, _('Not first item'), _(
                 '%s is not the first text item. You should only mark the'
                 ' first text item as cover. Do you want to make it the'
-                ' first item?') % elided_text(self.font(), name))
+                ' first item?') % elided_text(name))
         self.mark_requested.emit(name, 'titlepage:%r' % move_to_start)
 
     def keyPressEvent(self, ev):

src/calibre/gui2/tweak_book/ui.py

@@ -13,9 +13,10 @@ from PyQt4.Qt import (
     QVBoxLayout, QStackedWidget, QTabWidget, QImage, QPixmap, pyqtSignal)
 
 from calibre.constants import __appname__, get_version
+from calibre.gui2 import elided_text
 from calibre.gui2.keyboard import Manager as KeyboardManager
 from calibre.gui2.main_window import MainWindow
-from calibre.gui2.tweak_book import current_container, tprefs, actions, elided_text
+from calibre.gui2.tweak_book import current_container, tprefs, actions
 from calibre.gui2.tweak_book.file_list import FileListWidget
 from calibre.gui2.tweak_book.job import BlockingJob
 from calibre.gui2.tweak_book.boss import Boss
@@ -158,8 +159,8 @@ class Main(MainWindow):
     def show_status_message(self, msg, timeout=5):
         self.status_bar.showMessage(msg, int(timeout*1000))
 
-    def elided_text(self, text, width=200, mode=Qt.ElideMiddle):
-        return elided_text(self.font(), text, width=width, mode=mode)
+    def elided_text(self, text, width=300):
+        return elided_text(text, font=self.font(), width=width)
 
     @property
     def editor_tabs(self):
@@ -281,6 +282,8 @@ class Main(MainWindow):
         f = b.addMenu(_('&File'))
         f.addAction(self.action_new_file)
         f.addAction(self.action_open_book)
+        self.recent_books_menu = f.addMenu(_('&Recently opened books'))
+        self.update_recent_books()
         f.addSeparator()
         f.addAction(self.action_save)
         f.addAction(self.action_save_copy)
@@ -336,6 +339,13 @@ class Main(MainWindow):
         e.addSeparator()
         a(self.action_go_to_line)
 
+    def update_recent_books(self):
+        m = self.recent_books_menu
+        m.clear()
+        books = tprefs.get('recent-books', [])
+        for path in books:
+            m.addAction(self.elided_text(path, width=500), partial(self.boss.open_book, path=path))
+
     def create_toolbars(self):
         def create(text, name):
             name += '-bar'