Fix theme combo box not showing at start

The theme combo box did not show when the currently rendered item
doesn't support the service/song theme levels.

This changes the theme combo box to use the theme level from the
settings rather than the currently rendered item.

openlp/core/display/html/display.js

@@ -701,6 +701,8 @@ var Display = {
     var html = _prepareText(text);
     slide = document.createElement("section");
     slide.setAttribute("id", verse);
+    // The "future" class is used internally by reveal, it's used here to hide newly added slides
+    slide.classList.add("future");
     slide.innerHTML = html;
     return slide;
   },

openlp/core/display/render.py

@@ -27,7 +27,6 @@ import mako
 import math
 import os
 import re
-import time
 
 from PyQt5 import QtWidgets, QtGui
 
@@ -823,12 +822,9 @@ class ThemePreviewRenderer(DisplayWindow, LogMixin):
         Save a screenshot, either returning it or saving it to file. Do some extra work to actually get a picture.
         """
         self.setVisible(True)
+        QtWidgets.QApplication.instance().processEvents()
+        wait_for(lambda: False, timeout=1)
         pixmap = self.grab()
-        for i in range(0, 4):
-            QtWidgets.QApplication.instance().processEvents()
-            time.sleep(0.05)
-            QtWidgets.QApplication.instance().processEvents()
-            pixmap = self.grab()
         self.setVisible(False)
         pixmap = QtGui.QPixmap(self.webview.size())
         self.webview.render(pixmap)

openlp/core/ui/media/vlcplayer.py

@@ -287,7 +287,6 @@ class VlcPlayer(MediaPlayer):
             controller.vlc_media_player.set_time(int(start_time))
         controller.seek_slider.setMaximum(controller.media_info.length)
         self.set_state(MediaState.Playing, controller)
-        controller.vlc_widget.raise_()
         return True
 
     def pause(self, controller):

openlp/core/ui/servicemanager.py

@@ -1361,7 +1361,7 @@ class ServiceManager(QtWidgets.QWidget, RegistryBase, Ui_ServiceManager, LogMixi
         """
         The theme may have changed in the settings dialog so make sure the theme combo box is in the correct state.
         """
-        visible = self.renderer.theme_level != ThemeLevel.Global
+        visible = self.settings.value('themes/theme level') != ThemeLevel.Global
         self.toolbar.actions['theme_combo_box'].setVisible(visible)
         self.toolbar.actions['theme_label'].setVisible(visible)
         self.regenerate_service_items()

openlp/core/ui/slidecontroller.py

@@ -981,6 +981,10 @@ class SlideController(QtWidgets.QWidget, LogMixin, RegistryProperties):
             if self.service_item.is_command():
                 self.preview_display.load_verses(media_empty_song, True)
             self.on_media_start(self.service_item)
+            # Let media window init, then put webengine back on top
+            self.application.process_events()
+            for display in self.displays:
+                display.raise_()
         self.slide_selected(True)
         if self.service_item.from_service:
             self.preview_widget.setFocus()

openlp/core/ui/themeform.py

@@ -119,6 +119,7 @@ class ThemeForm(QtWidgets.QWizard, Ui_ThemeWizard, RegistryProperties):
         # Make sure we don't resize before the widgets are actually created
         if hasattr(self, 'preview_area_layout'):
             self.preview_area_layout.set_aspect_ratio(self.display_aspect_ratio)
+            self.application.process_events()
             self.preview_box.set_scale(float(self.preview_box.width()) / self.renderer.width())
 
     def validateCurrentPage(self):
@@ -160,15 +161,8 @@ class ThemeForm(QtWidgets.QWizard, Ui_ThemeWizard, RegistryProperties):
         self.setOption(QtWidgets.QWizard.HaveCustomButton1, enabled)
         if self.page(page_id) == self.preview_page:
             self.update_theme()
-            self.preview_box.set_theme(self.theme, service_item_type=ServiceItemType.Text)
-            self.preview_box.clear_slides()
-            self.preview_box.set_scale(float(self.preview_box.width()) / self.renderer.width())
-            try:
-                self.display_aspect_ratio = self.renderer.width() / self.renderer.height()
-            except ZeroDivisionError:
-                self.display_aspect_ratio = 1
-            self.preview_area_layout.set_aspect_ratio(self.display_aspect_ratio)
             self.resizeEvent()
+            self.preview_box.clear_slides()
             self.preview_box.show()
             self.preview_box.generate_preview(self.theme, False, False)
 

tests/functional/openlp_core/ui/media/test_vlcplayer.py

@@ -597,7 +597,6 @@ def test_play(mocked_get_vlc, mocked_threading):
     mocked_thread.start.assert_called_with()
     mocked_volume.assert_called_with(mocked_controller, 100)
     assert MediaState.Playing == vlc_player.get_live_state()
-    mocked_controller.vlc_widget.raise_.assert_called_with()
     assert result is True, 'The value returned from play() should be True'
 
 
@@ -667,7 +666,6 @@ def test_play_dvd(mocked_get_vlc, mocked_threading):
     mocked_controller.vlc_media_player.video_set_spu.assert_called_with(1)
     mocked_volume.assert_called_with(mocked_controller, 100)
     assert MediaState.Playing == vlc_player.get_live_state()
-    mocked_controller.vlc_widget.raise_.assert_called_with()
     assert result is True, 'The value returned from play() should be True'
 
 

tests/functional/openlp_core/ui/test_servicemanager.py

@@ -697,16 +697,16 @@ def test_theme_change_global(mocked_regenerate_service_items, registry):
     """
     Test that when a Toolbar theme combobox displays correctly when the theme is set to Global
     """
-    # GIVEN: A service manager, a service to display with a theme level in the renderer
+    # GIVEN: A service manager, settings set to Global theme
-    mocked_renderer = MagicMock()
     service_manager = ServiceManager(None)
-    Registry().register('renderer', mocked_renderer)
     service_manager.toolbar = OpenLPToolbar(None)
     service_manager.toolbar.add_toolbar_action('theme_combo_box', triggers=MagicMock())
     service_manager.toolbar.add_toolbar_action('theme_label', triggers=MagicMock())
+    mocked_settings = MagicMock()
+    mocked_settings.value.return_value = ThemeLevel.Global
+    Registry().register('settings', mocked_settings)
 
-    # WHEN: The service manager has a Global theme
+    # WHEN: theme_change is called
-    mocked_renderer.theme_level = ThemeLevel.Global
     service_manager.theme_change()
 
     # THEN: The the theme toolbar should not be visible
@@ -719,16 +719,16 @@ def test_theme_change_service(mocked_regenerate_service_items, registry):
     """
     Test that when a Toolbar theme combobox displays correctly when the theme is set to Theme
     """
-    # GIVEN: A service manager, a service to display with a theme level in the renderer
+    # GIVEN: A service manager, settings set to Service theme
-    mocked_renderer = MagicMock()
     service_manager = ServiceManager(None)
-    Registry().register('renderer', mocked_renderer)
     service_manager.toolbar = OpenLPToolbar(None)
     service_manager.toolbar.add_toolbar_action('theme_combo_box', triggers=MagicMock())
     service_manager.toolbar.add_toolbar_action('theme_label', triggers=MagicMock())
+    mocked_settings = MagicMock()
+    mocked_settings.value.return_value = ThemeLevel.Service
+    Registry().register('settings', mocked_settings)
 
-    # WHEN: The service manager has a Service theme
+    # WHEN: theme_change is called
-    mocked_renderer.theme_level = ThemeLevel.Service
     service_manager.theme_change()
 
     # THEN: The the theme toolbar should be visible
@@ -741,18 +741,18 @@ def test_theme_change_song(mocked_regenerate_service_items, registry):
     """
     Test that when a Toolbar theme combobox displays correctly when the theme is set to Song
     """
-    # GIVEN: A service manager, a service to display with a theme level in the renderer
+    # GIVEN: A service manager, settings set to Song theme
-    mocked_renderer = MagicMock()
     service_manager = ServiceManager(None)
-    Registry().register('renderer', mocked_renderer)
     service_manager.toolbar = OpenLPToolbar(None)
     service_manager.toolbar.add_toolbar_action('theme_combo_box', triggers=MagicMock())
     service_manager.toolbar.add_toolbar_action('theme_label', triggers=MagicMock())
+    mocked_settings = MagicMock()
+    mocked_settings.value.return_value = ThemeLevel.Song
+    Registry().register('settings', mocked_settings)
 
-    # WHEN: The service manager has a Song theme
+    # WHEN: theme_change is called
-    mocked_renderer.theme_level = ThemeLevel.Song
     service_manager.theme_change()
 
-    # THEN: The the theme toolbar should  be visible
+    # THEN: The the theme toolbar should be visible
     assert service_manager.toolbar.actions['theme_combo_box'].isVisible() is True, \
         'The visibility should be True'

tests/functional/openlp_core/ui/test_slidecontroller.py

@@ -794,6 +794,7 @@ def test_process_item(mocked_execute, registry):
     mocked_main_window = MagicMock()
     Registry().register('main_window', mocked_main_window)
     Registry().register('media_controller', MagicMock())
+    Registry().register('application', MagicMock())
     slide_controller = SlideController(None)
     slide_controller.service_item = mocked_pres_item
     slide_controller.is_live = False

tests/js/test_display.js

@@ -568,6 +568,16 @@ describe("Display.setTextSlide", function () {
     expect($(".slides > section > section")[0].innerHTML).toEqual(_prepareText(text));
     expect(Display.reinit).toHaveBeenCalledTimes(1); // only called once for the first setTextSlide
   });
+
+  it("should give the new slide the future class", function () {
+    var text = "That saved a wretch\nlike me";
+    spyOn(Display, "reinit");
+    Display.setTextSlide("Amazing grace,\nhow sweet the sound");
+
+    Display.setTextSlide(text);
+
+    expect($(".slides > section > section")[0].classList.contains("future")).toEqual(true);
+  });
 });
 
 describe("Display.setTextSlides", function () {

tests/openlp_core/ui/test_themeform.py

@@ -24,7 +24,6 @@ Test the ThemeForm class and related methods.
 from pathlib import Path
 from unittest.mock import patch, MagicMock
 
-from openlp.core.common.enum import ServiceItemType
 from openlp.core.common.registry import Registry
 from openlp.core.lib.theme import BackgroundType
 from openlp.core.ui.themeform import ThemeForm
@@ -266,12 +265,8 @@ def test_on_current_id_changed_preview(mocked_setup, settings):
 
     # THEN: The right options should have been set
     theme_form.update_theme.assert_called_once()
-    theme_form.preview_box.set_theme.assert_called_once_with('my fake theme',
-                                                             service_item_type=ServiceItemType.Text)
-    theme_form.preview_box.clear_slides.assert_called_once()
-    theme_form.preview_box.set_scale.assert_called_once_with(float(300 / 1920))
-    theme_form.preview_area_layout.set_aspect_ratio(16 / 9)
     theme_form.resizeEvent.assert_called_once()
+    theme_form.preview_box.clear_slides.assert_called_once()
     theme_form.preview_box.show.assert_called_once()
     theme_form.preview_box.generate_preview.assert_called_once_with('my fake theme', False, False)