Allow switching between commit message and description by clicking

It is annoying to have to tab to the description first before you can set the
cursor there by clicking.

pkg/gui/controllers/commit_description_controller.go

@@ -1,6 +1,8 @@
 package controllers
 
 import (
+	"github.com/jesseduffield/gocui"
+	"github.com/jesseduffield/lazygit/pkg/gui/context"
 	"github.com/jesseduffield/lazygit/pkg/gui/types"
 )
 
@@ -47,6 +49,16 @@ func (self *CommitDescriptionController) Context() types.Context {
 	return self.c.Contexts().CommitDescription
 }
 
+func (self *CommitDescriptionController) GetMouseKeybindings(opts types.KeybindingsOpts) []*gocui.ViewMouseBinding {
+	return []*gocui.ViewMouseBinding{
+		{
+			ViewName: self.Context().GetViewName(),
+			Key:      gocui.MouseLeft,
+			Handler:  self.onClick,
+		},
+	}
+}
+
 func (self *CommitDescriptionController) switchToCommitMessage() error {
 	return self.c.Context().Replace(self.c.Contexts().CommitMessage)
 }
@@ -63,3 +75,12 @@ func (self *CommitDescriptionController) openCommitMenu() error {
 	authorSuggestion := self.c.Helpers().Suggestions.GetAuthorsSuggestionsFunc()
 	return self.c.Helpers().Commits.OpenCommitMenu(authorSuggestion)
 }
+
+func (self *CommitDescriptionController) onClick(opts gocui.ViewMouseBindingOpts) error {
+	// Activate the description panel when the commit message panel is currently active
+	if self.c.Context().Current().GetKey() == context.COMMIT_MESSAGE_CONTEXT_KEY {
+		return self.c.Context().Replace(self.c.Contexts().CommitDescription)
+	}
+
+	return nil
+}

pkg/gui/controllers/commit_message_controller.go

@@ -3,6 +3,7 @@ package controllers
 import (
 	"errors"
 
+	"github.com/jesseduffield/gocui"
 	"github.com/jesseduffield/lazygit/pkg/commands/git_commands"
 	"github.com/jesseduffield/lazygit/pkg/gui/context"
 	"github.com/jesseduffield/lazygit/pkg/gui/controllers/helpers"
@@ -58,6 +59,16 @@ func (self *CommitMessageController) GetKeybindings(opts types.KeybindingsOpts)
 	return bindings
 }
 
+func (self *CommitMessageController) GetMouseKeybindings(opts types.KeybindingsOpts) []*gocui.ViewMouseBinding {
+	return []*gocui.ViewMouseBinding{
+		{
+			ViewName: self.Context().GetViewName(),
+			Key:      gocui.MouseLeft,
+			Handler:  self.onClick,
+		},
+	}
+}
+
 func (self *CommitMessageController) GetOnFocusLost() func(types.OnFocusLostOpts) error {
 	return func(types.OnFocusLostOpts) error {
 		self.context().RenderCommitLength()
@@ -137,3 +148,12 @@ func (self *CommitMessageController) openCommitMenu() error {
 	authorSuggestion := self.c.Helpers().Suggestions.GetAuthorsSuggestionsFunc()
 	return self.c.Helpers().Commits.OpenCommitMenu(authorSuggestion)
 }
+
+func (self *CommitMessageController) onClick(opts gocui.ViewMouseBindingOpts) error {
+	// Activate the commit message panel when the commit description panel is currently active
+	if self.c.Context().Current().GetKey() == context.COMMIT_DESCRIPTION_CONTEXT_KEY {
+		return self.c.Context().Replace(self.c.Contexts().CommitMessage)
+	}
+
+	return nil
+}

pkg/gui/keybindings.go

@@ -424,8 +424,14 @@ func (gui *Gui) SetKeybinding(binding *types.Binding) error {
 func (gui *Gui) SetMouseKeybinding(binding *gocui.ViewMouseBinding) error {
 	baseHandler := binding.Handler
 	newHandler := func(opts gocui.ViewMouseBindingOpts) error {
-		// we ignore click events on views that aren't popup panels, when a popup panel is focused
+		// we ignore click events on views that aren't popup panels, when a popup panel is focused.
-		if gui.helpers.Confirmation.IsPopupPanelFocused() && gui.currentViewName() != binding.ViewName {
+		// Unless both the current view and the clicked-on view are either commit message or commit
+		// description, because we want to allow switching between those two views by clicking.
+		isCommitMessageView := func(viewName string) bool {
+			return viewName == "commitMessage" || viewName == "commitDescription"
+		}
+		if gui.helpers.Confirmation.IsPopupPanelFocused() && gui.currentViewName() != binding.ViewName &&
+			(!isCommitMessageView(gui.currentViewName()) || !isCommitMessageView(binding.ViewName)) {
 			return nil
 		}