From 19cb16d65b88c038fde9ffd3a055770a0ad53e8d Mon Sep 17 00:00:00 2001
From: Phill Ridout <phill.ridout@gmail.com>
Date: Tue, 30 Dec 2014 11:21:06 +0000
Subject: [PATCH] Moved 'eliding' code to a sublass of qlabel to enable the
 text to be rendrawn when resized

---
 openlp/core/ui/slidecontroller.py             | 34 ++++++++++++++++---
 .../functional/openlp_core_utils/test_init.py |  1 +
 .../openlp_plugins/bibles/test_mediaitem.py   | 18 ++++++++++
 3 files changed, 49 insertions(+), 4 deletions(-)

diff --git a/openlp/core/ui/slidecontroller.py b/openlp/core/ui/slidecontroller.py
index 7f80bcfc7..7791604c1 100644
--- a/openlp/core/ui/slidecontroller.py
+++ b/openlp/core/ui/slidecontroller.py
@@ -106,6 +106,34 @@ class DisplayController(QtGui.QWidget):
         Registry().execute('%s' % sender, [controller, args])
 
 
+class InfoLabel(QtGui.QLabel):
+    """
+    InfoLabel is a subclassed QLabel. Created to provide the ablilty add a ellipsis if the text is cut off. Original
+    source: https://stackoverflow.com/questions/11446478/pyside-pyqt-truncate-text-in-qlabel-based-on-minimumsize
+    """
+
+    def paintEvent(self, event):
+        """
+        Reimplemented to allow the drawing of elided text if the text is longer than the width of the label
+        """
+        painter = QtGui.QPainter(self)
+        metrics = QtGui.QFontMetrics(self.font())
+        elided = metrics.elidedText(self.text(), QtCore.Qt.ElideRight, self.width())
+        if elided == self.text():
+            alignment = QtCore.Qt.AlignCenter
+        else:
+            alignment = QtCore.Qt.AlignLeft
+        painter.drawText(self.rect(), alignment, elided)
+
+
+    def setText(self, text):
+        """
+        Reimplemented to set the tool tip text.
+        """
+        self.setToolTip(text)
+        super().setText(text)
+        
+
 class SlideController(DisplayController, RegistryProperties):
     """
     SlideController is the slide controller widget. This widget is what the
@@ -160,8 +188,7 @@ class SlideController(DisplayController, RegistryProperties):
             self.type_label.setText(UiStrings().Preview)
         self.panel_layout.addWidget(self.type_label)
         # Info label for the title of the current item, at the top of the slide controller
-        self.info_label = QtGui.QLabel(self.panel)
-        self.info_label.setAlignment(QtCore.Qt.AlignCenter)
+        self.info_label = InfoLabel(self.panel)
         self.info_label.setSizePolicy(QtGui.QSizePolicy.Ignored, QtGui.QSizePolicy.Preferred)
         self.panel_layout.addWidget(self.info_label)
         # Splitter
@@ -810,8 +837,7 @@ class SlideController(DisplayController, RegistryProperties):
         if service_item.is_command():
             Registry().execute(
                 '%s_start' % service_item.name.lower(), [self.service_item, self.is_live, self.hide_mode(), slide_no])
-        self.info_label.setText(elide_text(self.service_item.title, self.info_label.font(), self.info_label.width()))
-        self.info_label.setToolTip(self.service_item.title)
+        self.info_label.setText(self.service_item.title)
         self.slide_list = {}
         if self.is_live:
             self.song_menu.menu().clear()
diff --git a/tests/functional/openlp_core_utils/test_init.py b/tests/functional/openlp_core_utils/test_init.py
index 563f0dc5b..6979be7b3 100644
--- a/tests/functional/openlp_core_utils/test_init.py
+++ b/tests/functional/openlp_core_utils/test_init.py
@@ -133,3 +133,4 @@ class TestInitFunctions(TestMixin, TestCase):
             # THEN: The connection parameters should be set for socket
             self.assertEqual(result, 'libreoffice --nologo --norestore --minimized --nodefault --nofirststartwizard'
                                      ' "--accept=socket,host=localhost,port=2002;urp;"')
+
diff --git a/tests/functional/openlp_plugins/bibles/test_mediaitem.py b/tests/functional/openlp_plugins/bibles/test_mediaitem.py
index e9ca2c8d1..131a679f0 100644
--- a/tests/functional/openlp_plugins/bibles/test_mediaitem.py
+++ b/tests/functional/openlp_plugins/bibles/test_mediaitem.py
@@ -29,6 +29,8 @@
 """
 This module contains tests for the lib submodule of the Presentations plugin.
 """
+from PyQt4 import QtGui
+
 from unittest import TestCase
 from openlp.plugins.bibles.lib.mediaitem import BibleMediaItem
 from tests.functional import MagicMock, patch
@@ -116,3 +118,19 @@ class TestMediaItem(TestCase, TestMixin):
                 mocked_list_view.selectAll.assert_called_once_with()
                 self.assertEqual(self.media_item.search_results, {})
                 self.assertEqual(self.media_item.second_search_results, {})
+
+
+    def elide_text_short_text_test(self):
+        result = elide_text('Test String', QtGui.QFont(),)
+
+def elide_text(text, font, width):
+    """
+    Add an ellipsis to text if it is wider than width.
+
+    :param text: The string to elide
+    :param font: The font that the text is being desplayed in
+    :param width: The width that the elided text string needs to fill
+    :return: The elided string or just text
+    """
+    font_metrics = QtGui.QFontMetrics(font)
+    return font_metrics.elidedText(text, QtCore.Qt.ElideRight, width)
\ No newline at end of file