Allow using </> and ,/. in sticky range select mode in patch explorer (#3837)

- **PR Description**

Don't cancel sticky range select when pressing `<`/`>`, `,`/`.` in the
patch explorer view. This was already working correctly in list views.

Fixes #3823.

pkg/gui/controllers/patch_explorer_controller.go

@@ -244,14 +244,12 @@ func (self *PatchExplorerController) HandleScrollRight() error {
 }
 
 func (self *PatchExplorerController) HandlePrevPage() error {
-	self.context.GetState().SetLineSelectMode()
 	self.context.GetState().AdjustSelectedLineIdx(-self.context.GetViewTrait().PageDelta())
 
 	return nil
 }
 
 func (self *PatchExplorerController) HandleNextPage() error {
-	self.context.GetState().SetLineSelectMode()
 	self.context.GetState().AdjustSelectedLineIdx(self.context.GetViewTrait().PageDelta())
 
 	return nil

pkg/gui/patch_exploring/state.go

@@ -123,6 +123,12 @@ func (s *State) SetLineSelectMode() {
 	s.selectMode = LINE
 }
 
+func (s *State) DismissHunkSelectMode() {
+	if s.SelectingHunk() {
+		s.selectMode = LINE
+	}
+}
+
 // For when you move the cursor without holding shift (meaning if we're in
 // a non-sticky range select, we'll cancel it)
 func (s *State) SelectLine(newSelectedLineIdx int) {
@@ -239,6 +245,7 @@ func (s *State) CurrentLineNumber() int {
 }
 
 func (s *State) AdjustSelectedLineIdx(change int) {
+	s.DismissHunkSelectMode()
 	s.SelectLine(s.selectedLineIdx + change)
 }
 
@@ -255,12 +262,12 @@ func (s *State) PlainRenderSelected() string {
 }
 
 func (s *State) SelectBottom() {
-	s.SetLineSelectMode()
+	s.DismissHunkSelectMode()
 	s.SelectLine(s.patch.LineCount() - 1)
 }
 
 func (s *State) SelectTop() {
-	s.SetLineSelectMode()
+	s.DismissHunkSelectMode()
 	s.SelectLine(0)
 }
 

pkg/integration/tests/ui/range_select.go

@@ -14,6 +14,7 @@ import (
 // (sticky range, press 'v') -> no range
 // (sticky range, press 'escape') -> no range
 // (sticky range, press arrow) -> sticky range
+// (sticky range, press `<`/`>` or `,`/`.`) -> sticky range
 // (sticky range, press shift+arrow) -> nonsticky range
 // (nonsticky range, press 'v') -> no range
 // (nonsticky range, press 'escape') -> no range
@@ -138,19 +139,18 @@ var RangeSelect = NewIntegrationTest(NewIntegrationTestArgs{
 				SelectedLines(
 					Contains("line 8"),
 				).
+				// (sticky range, press '>') -> sticky range
 				Press(keys.Universal.ToggleRangeSelect).
-				SelectedLines(
+				Press(keys.Universal.GotoBottom).
-					Contains("line 8"),
-				).
-				SelectNextItem().
 				SelectedLines(
 					Contains("line 8"),
 					Contains("line 9"),
+					Contains("line 10"),
 				).
 				// (sticky range, press 'escape') -> no range
 				PressEscape().
 				SelectedLines(
-					Contains("line 9"),
+					Contains("line 10"),
 				)
 		}