#include <dali-toolkit/devel-api/controls/text-controls/text-editor-devel.h>
#include <dali-toolkit/devel-api/text/rendering-backend.h>
#include <dali-toolkit/devel-api/text/text-enumerations-devel.h>
+#include <dali-toolkit/devel-api/controls/text-controls/text-selection-popup.h>
+
+#include <dali/devel-api/actors/actor-devel.h>
#include <dali/devel-api/adaptor-framework/clipboard.h>
#include <dali/devel-api/adaptor-framework/key-devel.h>
#include <dali/devel-api/text-abstraction/font-client.h>
+#include <dali/devel-api/events/pan-gesture-devel.h>
#include <dali/integration-api/events/key-event-integ.h>
#include <dali/integration-api/events/touch-event-integ.h>
#include <dali/public-api/rendering/renderer.h>
const char* const PROPERTY_NAME_CURSOR_WIDTH = "cursorWidth";
const char* const PROPERTY_NAME_GRAB_HANDLE_IMAGE = "grabHandleImage";
const char* const PROPERTY_NAME_GRAB_HANDLE_PRESSED_IMAGE = "grabHandlePressedImage";
+const char* const PROPERTY_NAME_SELECTION_POPUP_STYLE = "selectionPopupStyle";
const char* const PROPERTY_NAME_SELECTION_HANDLE_IMAGE_LEFT = "selectionHandleImageLeft";
const char* const PROPERTY_NAME_SELECTION_HANDLE_IMAGE_RIGHT = "selectionHandleImageRight";
const char* const PROPERTY_NAME_SELECTION_HANDLE_PRESSED_IMAGE_LEFT = "selectionHandlePressedImageLeft";
bool& mFinishedCalled;
};
+
+// Stores data that is populated in the callback and will be read by the test cases
+struct SignalData
+{
+ SignalData()
+ : functorCalled(false),
+ voidFunctorCalled(false),
+ receivedGesture()
+ {
+ }
+
+ void Reset()
+ {
+ functorCalled = false;
+ voidFunctorCalled = false;
+
+ receivedGesture.Reset();
+
+ pannedActor.Reset();
+ }
+
+ bool functorCalled;
+ bool voidFunctorCalled;
+ PanGesture receivedGesture;
+ Actor pannedActor;
+};
+
+// Functor that sets the data when called
+struct GestureReceivedFunctor
+{
+ GestureReceivedFunctor(SignalData& data)
+ : signalData(data)
+ {
+ }
+
+ void operator()(Actor actor, const PanGesture& pan)
+ {
+ signalData.functorCalled = true;
+ signalData.receivedGesture = pan;
+ signalData.pannedActor = actor;
+ }
+
+ void operator()()
+ {
+ signalData.voidFunctorCalled = true;
+ }
+
+ SignalData& signalData;
+};
+
+
} // namespace
int UtcDaliToolkitTextEditorConstructorP(void)
DALI_TEST_CHECK(editor.GetPropertyIndex(PROPERTY_NAME_INPUT_FILTER) == DevelTextEditor::Property::INPUT_FILTER);
DALI_TEST_CHECK(editor.GetPropertyIndex(PROPERTY_NAME_STRIKETHROUGH) == DevelTextEditor::Property::STRIKETHROUGH);
DALI_TEST_CHECK(editor.GetPropertyIndex(PROPERTY_NAME_INPUT_STRIKETHROUGH) == DevelTextEditor::Property::INPUT_STRIKETHROUGH);
+ DALI_TEST_CHECK(editor.GetPropertyIndex(PROPERTY_NAME_SELECTION_POPUP_STYLE) == DevelTextEditor::Property::SELECTION_POPUP_STYLE);
END_TEST;
}
editor.SetProperty(TextEditor::Property::HORIZONTAL_ALIGNMENT, "END");
DALI_TEST_EQUALS(editor.GetProperty<std::string>(TextEditor::Property::HORIZONTAL_ALIGNMENT), "END", TEST_LOCATION);
+ // Check that the Alignment properties can be correctly set
+ editor.SetProperty(DevelTextEditor::Property::VERTICAL_ALIGNMENT, "BOTTOM");
+ DALI_TEST_EQUALS(editor.GetProperty<std::string>(DevelTextEditor::Property::VERTICAL_ALIGNMENT), "BOTTOM", TEST_LOCATION);
+ editor.SetProperty(DevelTextEditor::Property::VERTICAL_ALIGNMENT, "CENTER");
+ DALI_TEST_EQUALS(editor.GetProperty<std::string>(DevelTextEditor::Property::VERTICAL_ALIGNMENT), "CENTER", TEST_LOCATION);
+ editor.SetProperty(DevelTextEditor::Property::VERTICAL_ALIGNMENT, "TOP");
+ DALI_TEST_EQUALS(editor.GetProperty<std::string>(DevelTextEditor::Property::VERTICAL_ALIGNMENT), "TOP", TEST_LOCATION);
+
// Check scroll properties.
editor.SetProperty(TextEditor::Property::SCROLL_THRESHOLD, 1.f);
DALI_TEST_EQUALS(editor.GetProperty<float>(TextEditor::Property::SCROLL_THRESHOLD), 1.f, Math::MACHINE_EPSILON_1000, TEST_LOCATION);
DALI_TEST_CHECK(SetPropertyMapRetrieved(editor, TextEditor::Property::SELECTION_HANDLE_MARKER_IMAGE_LEFT, "filename", "leftHandleMarkerImage"));
DALI_TEST_CHECK(SetPropertyMapRetrieved(editor, TextEditor::Property::SELECTION_HANDLE_MARKER_IMAGE_RIGHT, "filename", "rightHandleMarkerImage"));
+ // Check the selection popup style
+ const Vector2 popupMaxSize(200.0f, 300.0f);
+ const Vector2 optionDividerSize(30.0f, 5.0f);
+ const Vector4 optionDividerPadding(20.0f, 20.0f, 10.0f, 10.0f);
+ const Vector4 labelPadding(5.0f, 5.0f, 50.0f, 25.0f);
+
+ Property::Map selectionPopupStyle;
+ selectionPopupStyle.Insert(TextSelectionPopup::Property::POPUP_MAX_SIZE, popupMaxSize);
+ selectionPopupStyle.Insert(TextSelectionPopup::Property::OPTION_DIVIDER_SIZE, optionDividerSize);
+ selectionPopupStyle.Insert(TextSelectionPopup::Property::OPTION_DIVIDER_PADDING, optionDividerPadding);
+ selectionPopupStyle.Insert(TextSelectionPopup::Property::LABEL_PADDING, labelPadding);
+
+ editor.SetProperty(DevelTextEditor::Property::SELECTION_POPUP_STYLE, selectionPopupStyle);
+
+ Property::Map selectionPopupStyleGet;
+ selectionPopupStyleGet = editor.GetProperty<Property::Map>(DevelTextEditor::Property::SELECTION_POPUP_STYLE);
+
+ Property::Value* popupValue;
+ popupValue = selectionPopupStyleGet.Find(TextSelectionPopup::Property::POPUP_MAX_SIZE);
+ DALI_TEST_CHECK(NULL != popupValue);
+ if(popupValue)
+ {
+ Vector2 popupMaxSizeGet;
+ popupValue->Get(popupMaxSizeGet);
+ DALI_TEST_EQUALS(popupMaxSizeGet, popupMaxSize, TEST_LOCATION);
+ }
+
+ popupValue = selectionPopupStyleGet.Find(TextSelectionPopup::Property::OPTION_DIVIDER_SIZE);
+ DALI_TEST_CHECK(NULL != popupValue);
+ if(popupValue)
+ {
+ Vector2 optionDividerSizeGet;
+ popupValue->Get(optionDividerSizeGet);
+ DALI_TEST_EQUALS(optionDividerSizeGet, optionDividerSize, TEST_LOCATION);
+ }
+
+ popupValue = selectionPopupStyleGet.Find(TextSelectionPopup::Property::OPTION_DIVIDER_PADDING);
+ DALI_TEST_CHECK(NULL != popupValue);
+ if(popupValue)
+ {
+ Vector4 optionDividerPaddingGet;
+ popupValue->Get(optionDividerPaddingGet);
+ DALI_TEST_EQUALS(optionDividerPaddingGet, optionDividerPadding, TEST_LOCATION);
+ }
+
+ popupValue = selectionPopupStyleGet.Find(TextSelectionPopup::Property::LABEL_PADDING);
+ DALI_TEST_CHECK(NULL != popupValue);
+ if(popupValue)
+ {
+ Vector4 labelPaddingGet;
+ popupValue->Get(labelPaddingGet);
+ DALI_TEST_EQUALS(labelPaddingGet, labelPadding, TEST_LOCATION);
+ }
+
+ // Reset selection popup style
+ selectionPopupStyle.Clear();
+ editor.SetProperty(DevelTextEditor::Property::SELECTION_POPUP_STYLE, selectionPopupStyle);
+
// Check the highlight color
editor.SetProperty(TextEditor::Property::SELECTION_HIGHLIGHT_COLOR, Color::GREEN);
DALI_TEST_EQUALS(editor.GetProperty<Vector4>(TextEditor::Property::SELECTION_HIGHLIGHT_COLOR), Color::GREEN, TEST_LOCATION);
application.SendNotification();
application.Render();
+ textEditor.SetProperty(DevelActor::Property::USER_INTERACTION_ENABLED, true);
+ DALI_TEST_EQUALS(textEditor.GetProperty(DevelActor::Property::USER_INTERACTION_ENABLED).Get<bool>(), true, TEST_LOCATION);
+
textEditor.SetKeyInputFocus();
textEditor.SetProperty(DevelTextEditor::Property::ENABLE_EDITING, false);
application.ProcessEvent(GenerateKey("D", "", "D", KEY_D_CODE, 0, 0, Integration::KeyEvent::DOWN, "D", DEFAULT_DEVICE_NAME, Device::Class::NONE, Device::Subclass::NONE));
DALI_TEST_EQUALS(textEditor.GetProperty(TextEditor::Property::TEXT).Get<std::string>(), "D", TEST_LOCATION);
DALI_TEST_EQUALS(textEditor.GetProperty(DevelTextEditor::Property::ENABLE_EDITING).Get<bool>(), true, TEST_LOCATION);
+ // Check the user interaction enabled and for coverage
+ DevelTextEditor::SelectWholeText(textEditor);
+
+ // Render and notify
+ application.SendNotification();
+ application.Render();
+
+ textEditor.SetKeyInputFocus();
+ textEditor.SetProperty(DevelActor::Property::USER_INTERACTION_ENABLED, false);
+ application.ProcessEvent(GenerateKey("D", "", "D", KEY_D_CODE, 0, 0, Integration::KeyEvent::DOWN, "D", DEFAULT_DEVICE_NAME, Device::Class::NONE, Device::Subclass::NONE));
+
+ // Render and notify
+ application.SendNotification();
+ application.Render();
+
+ DALI_TEST_EQUALS(textEditor.GetProperty(TextEditor::Property::TEXT).Get<std::string>(), "D", TEST_LOCATION);
+ DALI_TEST_EQUALS(textEditor.GetProperty(DevelActor::Property::USER_INTERACTION_ENABLED).Get<bool>(), false, TEST_LOCATION);
+
END_TEST;
}
expectedSizes.PushBack(Vector2(59, 25));
expectedPositions.PushBack(Vector2(-1, 25));
- expectedSizes.PushBack(Vector2(25, 25));
+ expectedSizes.PushBack(Vector2(38, 25));
TestTextGeometryUtils::CheckGeometryResult(positionsList, sizeList, expectedPositions, expectedSizes);
END_TEST;
}
+int utcDaliTextEditorGeometryOneGlyph(void)
+{
+ ToolkitTestApplication application;
+ tet_infoline(" utcDaliTextEditorGeometryOneGlyph ");
+
+ TextEditor label = TextEditor::New();
+ DALI_TEST_CHECK(label);
+
+ application.GetScene().Add(label);
+
+ label.SetProperty(TextEditor::Property::POINT_SIZE, 7.f);
+ label.SetProperty(Actor::Property::SIZE, Vector2(200.f, 200.f));
+ label.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
+ label.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
+ label.SetProperty(TextEditor::Property::ENABLE_MARKUP, true);
+ label.SetProperty(TextEditor::Property::TEXT, "H");
+
+ // Avoid a crash when core load gl resources.
+ application.GetGlAbstraction().SetCheckFramebufferStatusResult(GL_FRAMEBUFFER_COMPLETE);
+
+ // Render and notify
+ application.SendNotification();
+ application.Render();
+
+ unsigned int expectedCount = 1;
+ unsigned int startIndex = 0;
+ unsigned int endIndex = 0;
+
+ Vector<Vector2> positionsList = DevelTextEditor::GetTextPosition(label, startIndex, endIndex);
+ Vector<Vector2> sizeList = DevelTextEditor::GetTextSize(label, startIndex, endIndex);
+
+ DALI_TEST_EQUALS(positionsList.Size(), expectedCount, TEST_LOCATION);
+ DALI_TEST_EQUALS(sizeList.Size(), expectedCount, TEST_LOCATION);
+
+ Vector<Vector2> expectedSizes;
+ Vector<Vector2> expectedPositions;
+
+ expectedPositions.PushBack(Vector2(-2, 0));
+ expectedSizes.PushBack(Vector2(16, 25));
+
+ TestTextGeometryUtils::CheckGeometryResult(positionsList, sizeList, expectedPositions, expectedSizes);
+
+ END_TEST;
+}
+
+int utcDaliTextEditorGeometryNullPtr(void)
+{
+ ToolkitTestApplication application;
+ tet_infoline("utcDaliTextEditorGeometryNullPtr");
+
+ TextEditor editor = TextEditor::New();
+ DALI_TEST_CHECK(editor);
+
+ application.GetScene().Add(editor);
+
+ editor.SetProperty(TextEditor::Property::POINT_SIZE, 7.f);
+ editor.SetProperty(Actor::Property::SIZE, Vector2(200.f, 200.f));
+ editor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
+ editor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
+ editor.SetProperty(TextEditor::Property::ENABLE_MARKUP, true);
+ editor.SetProperty(TextEditor::Property::TEXT, "");
+
+ // Avoid a crash when core load gl resources.
+ application.GetGlAbstraction().SetCheckFramebufferStatusResult(GL_FRAMEBUFFER_COMPLETE);
+
+ unsigned int expectedCount = 0;
+ unsigned int startIndex = 0;
+ unsigned int endIndex = 0;
+
+ Vector<Vector2> positionsList = DevelTextEditor::GetTextPosition(editor, startIndex, endIndex);
+ Vector<Vector2> sizeList = DevelTextEditor::GetTextSize(editor, startIndex, endIndex);
+
+ // Render and notify
+ application.SendNotification();
+ application.Render();
+
+ DALI_TEST_EQUALS(positionsList.Size(), expectedCount, TEST_LOCATION);
+ DALI_TEST_EQUALS(sizeList.Size(), expectedCount, TEST_LOCATION);
+
+ END_TEST;
+}
+
+
int utcDaliTextEditorSelectionClearedSignal(void)
{
ToolkitTestApplication application;
//no effect of relative line size for paragraph with single line
DALI_TEST_EQUALS(naturalSize.y, relativeSingleNaturalSize.y, Math::MACHINE_EPSILON_1000, TEST_LOCATION);
- DALI_TEST_EQUALS(lineSize*8.5f, relativeMultiNaturalSize.y, Math::MACHINE_EPSILON_1000, TEST_LOCATION);
+ DALI_TEST_EQUALS(lineSize * 8.5f, relativeMultiNaturalSize.y, Math::MACHINE_EPSILON_1000, TEST_LOCATION);
END_TEST;
}
END_TEST;
}
+int UtcDaliTextEditorLineSpacingKeyArrowDown(void)
+{
+ ToolkitTestApplication application;
+ tet_infoline("UtcDaliTextEditorLineSpacingKeyArrowDown");
+
+ TextEditor editor = TextEditor::New();
+ DALI_TEST_CHECK(editor);
+
+ application.GetScene().Add(editor);
+
+ std::string cutText = "";
+ std::string copiedText = "";
+
+ editor.SetProperty(TextEditor::Property::TEXT, "l1\nl2\nl3\n4");
+ editor.SetProperty(TextEditor::Property::POINT_SIZE, 10.f);
+ editor.SetProperty(Actor::Property::SIZE, Vector2(300.f, 200.f));
+ editor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
+ editor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
+ editor.SetProperty(TextEditor::Property::ENABLE_MARKUP, true);
+ editor.SetProperty(TextEditor::Property::LINE_SPACING, -15);
+
+ // Render and notify
+ application.SendNotification();
+ application.Render();
+
+ // Tap on the text editor
+ TestGenerateTap(application, 1.0f, 1.0f);
+
+ // Render and notify
+ application.SendNotification();
+ application.Render();
+
+ // Move to second line of the text.
+ application.ProcessEvent(GenerateKey("", "", "", DALI_KEY_CURSOR_DOWN, 0, 0, Integration::KeyEvent::DOWN, "", DEFAULT_DEVICE_NAME, Device::Class::NONE, Device::Subclass::NONE));
+
+ // Render and notify
+ application.SendNotification();
+ application.Render();
+
+ DALI_TEST_EQUALS(editor.GetProperty(DevelTextEditor::Property::PRIMARY_CURSOR_POSITION).Get<int>(), 3, TEST_LOCATION);
+
+ END_TEST;
+}
+
int UtcDaliTextEditorNegativeLineSpacingWithEllipsis(void)
{
ToolkitTestApplication application;
application.Render();
END_TEST;
-}
\ No newline at end of file
+}
+
+//Handle Emoji clustering for cursor handling
+int utcDaliTextEditorClusteredEmojiDeletionBackSpaceKey(void)
+{
+ ToolkitTestApplication application;
+ tet_infoline(" utcDaliTextEditorClusteredEmojiDeletionBackSpaceKey ");
+ TextEditor textEditor = TextEditor::New();
+ DALI_TEST_CHECK(textEditor);
+
+ application.GetScene().Add(textEditor);
+
+ // Avoid a crash when core load gl resources.
+ application.GetGlAbstraction().SetCheckFramebufferStatusResult(GL_FRAMEBUFFER_COMPLETE);
+
+ textEditor.SetProperty(TextEditor::Property::TEXT, "ABC👨‍👩‍👧‍👦XY");
+ textEditor.SetProperty(Dali::Toolkit::TextEditor::Property::ENABLE_MARKUP, true);
+
+ // Render and notify
+ application.SendNotification();
+ application.Render();
+
+ // Set currsor
+ textEditor.SetProperty(DevelTextEditor::Property::PRIMARY_CURSOR_POSITION, 10);
+ application.SendNotification();
+ application.Render();
+
+ // Set focus and remove Emoji
+ textEditor.SetKeyInputFocus();
+ application.ProcessEvent(GenerateKey("", "", "", DALI_KEY_BACKSPACE, 0, 0, Integration::KeyEvent::DOWN, "", DEFAULT_DEVICE_NAME, Device::Class::NONE, Device::Subclass::NONE));
+
+ //Check the changed text and cursor position
+ DALI_TEST_EQUALS(textEditor.GetProperty(TextEditor::Property::TEXT).Get<std::string>(), "ABCXY", TEST_LOCATION);
+ DALI_TEST_EQUALS(textEditor.GetProperty(DevelTextEditor::Property::PRIMARY_CURSOR_POSITION).Get<int>(), 3, TEST_LOCATION);
+
+ // Render and notify
+ application.SendNotification();
+ application.Render();
+
+ END_TEST;
+}
+
+int utcDaliTextEditorClusteredEmojiDeletionDeleteKey(void)
+{
+ ToolkitTestApplication application;
+ tet_infoline(" utcDaliTextEditorClusteredEmojiDeletionDeleteKey ");
+ TextEditor textEditor = TextEditor::New();
+ DALI_TEST_CHECK(textEditor);
+
+ application.GetScene().Add(textEditor);
+
+ // Avoid a crash when core load gl resources.
+ application.GetGlAbstraction().SetCheckFramebufferStatusResult(GL_FRAMEBUFFER_COMPLETE);
+
+ textEditor.SetProperty(TextEditor::Property::TEXT, "ABC👨‍👩‍👧‍👦XY");
+ textEditor.SetProperty(Dali::Toolkit::TextEditor::Property::ENABLE_MARKUP, true);
+
+ // Render and notify
+ application.SendNotification();
+ application.Render();
+
+ // Set currsor
+ textEditor.SetProperty(DevelTextEditor::Property::PRIMARY_CURSOR_POSITION, 3);
+ application.SendNotification();
+ application.Render();
+
+ // Set focus and remove Emoji
+ textEditor.SetKeyInputFocus();
+ application.ProcessEvent(GenerateKey("", "", "", Dali::DevelKey::DALI_KEY_DELETE, 0, 0, Integration::KeyEvent::DOWN, "", DEFAULT_DEVICE_NAME, Device::Class::NONE, Device::Subclass::NONE));
+
+ //Check the changed text and cursor position
+ DALI_TEST_EQUALS(textEditor.GetProperty(TextEditor::Property::TEXT).Get<std::string>(), "ABCXY", TEST_LOCATION);
+ DALI_TEST_EQUALS(textEditor.GetProperty(DevelTextEditor::Property::PRIMARY_CURSOR_POSITION).Get<int>(), 3, TEST_LOCATION);
+
+ // Render and notify
+ application.SendNotification();
+ application.Render();
+
+ END_TEST;
+}
+
+int utcDaliTextEditorPanGesturePropagation(void)
+{
+ ToolkitTestApplication application;
+ tet_infoline(" utcDaliTextEditorPanGesturePropagation");
+
+ Actor actor = Actor::New();
+ actor.SetProperty(Actor::Property::SIZE, Vector2(100.0f, 100.0f));
+ actor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
+ application.GetScene().Add(actor);
+
+ TextEditor editor = TextEditor::New();
+ DALI_TEST_CHECK(editor);
+
+ editor.SetProperty(TextEditor::Property::TEXT, "This is a long text for the size of the text-editor.");
+ editor.SetProperty(TextEditor::Property::POINT_SIZE, 10.f);
+
+ editor.SetProperty(Actor::Property::SIZE, Vector2(30.f, 500.f));
+ editor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
+ editor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
+
+ actor.Add(editor);
+
+ // Render and notify
+ application.SendNotification();
+ application.Render();
+
+ SignalData data;
+ GestureReceivedFunctor functor(data);
+
+ PanGestureDetector detector = PanGestureDetector::New();
+ detector.Attach(actor);
+ detector.DetectedSignal().Connect(&application, functor);
+
+ // Tap first to get the focus.
+ TestGenerateTap(application, 3.0f, 25.0f, 100);
+
+ // Render and notify
+ application.SendNotification();
+ application.Render();
+
+ // Pan the text editor
+ uint32_t time = 100;
+ TestStartPan(application, Vector2(10.0f, 50.0f), Vector2(10.0f, 50.0f), time);
+ TestMovePan(application, Vector2(10.0f, 30.0f), time);
+ TestEndPan(application, Vector2(10.0f, 50.0f), time);
+ application.SendNotification();
+ application.Render();
+
+ // The text scrolls because there is text that is scrolling.
+ DALI_TEST_EQUALS(false, data.functorCalled, TEST_LOCATION);
+ data.Reset();
+
+ // Set the size large enough to prevent scrolling.
+ editor.SetProperty(Actor::Property::SIZE, Vector2(500.f, 500.f));
+
+ // Render and notify
+ application.SendNotification();
+ application.Render();
+
+ time = 200;
+ TestStartPan(application, Vector2(10.0f, 50.0f), Vector2(10.0f, 50.0f), time);
+ TestMovePan(application, Vector2(10.0f, 30.0f), time);
+ TestEndPan(application, Vector2(10.0f, 50.0f), time);
+
+ // Because scrolling is not possible, the pan gesture is propagated.
+ DALI_TEST_EQUALS(true, data.functorCalled, TEST_LOCATION);
+ data.Reset();
+
+
+ END_TEST;
+}
projects / platform / core / uifw / dali-toolkit.git / blobdiff