From 229f5ee48c75ca0c8a78345f9da44dc4b2b2e625 Mon Sep 17 00:00:00 2001
From: Jesse Duffield <jessedduffield@gmail.com>
Date: Sat, 28 Mar 2020 13:44:20 +1100
Subject: add keybindings for paging in list panels and jumping to top/bottom

---
 pkg/config/app_config.go |  4 ++++
 pkg/gui/keybindings.go   |  4 ++++
 pkg/gui/list_view.go     | 34 ++++++++++++++++++++++++++++++++++
 3 files changed, 42 insertions(+)

(limited to 'pkg')

diff --git a/pkg/config/app_config.go b/pkg/config/app_config.go
index 310ca9a01..b9b9f892b 100644
--- a/pkg/config/app_config.go
+++ b/pkg/config/app_config.go
@@ -283,6 +283,10 @@ keybinding:
     nextItem: '<down>'
     prevItem-alt: 'k'
     nextItem-alt: 'j'
+    prevPage: ','
+    nextPage: '.'
+    gotoTop: '<'
+    gotoBottom: '>'
     prevBlock: '<left>'
     nextBlock: '<right>'
     prevBlock-alt: 'h'
diff --git a/pkg/gui/keybindings.go b/pkg/gui/keybindings.go
index 31096a759..c7b9546ad 100644
--- a/pkg/gui/keybindings.go
+++ b/pkg/gui/keybindings.go
@@ -1510,6 +1510,10 @@ func (gui *Gui) GetInitialKeybindings() []*Binding {
 			{ViewName: listView.viewName, Contexts: []string{listView.context}, Key: gocui.MouseWheelUp, Modifier: gocui.ModNone, Handler: listView.handlePrevLine},
 			{ViewName: listView.viewName, Contexts: []string{listView.context}, Key: gui.getKey("universal.nextItem-alt"), Modifier: gocui.ModNone, Handler: listView.handleNextLine},
 			{ViewName: listView.viewName, Contexts: []string{listView.context}, Key: gui.getKey("universal.nextItem"), Modifier: gocui.ModNone, Handler: listView.handleNextLine},
+			{ViewName: listView.viewName, Contexts: []string{listView.context}, Key: gui.getKey("universal.prevPage"), Modifier: gocui.ModNone, Handler: listView.handlePrevPage},
+			{ViewName: listView.viewName, Contexts: []string{listView.context}, Key: gui.getKey("universal.nextPage"), Modifier: gocui.ModNone, Handler: listView.handleNextPage},
+			{ViewName: listView.viewName, Contexts: []string{listView.context}, Key: gui.getKey("universal.gotoTop"), Modifier: gocui.ModNone, Handler: listView.handleGotoTop},
+			{ViewName: listView.viewName, Contexts: []string{listView.context}, Key: gui.getKey("universal.gotoBottom"), Modifier: gocui.ModNone, Handler: listView.handleGotoBottom},
 			{ViewName: listView.viewName, Contexts: []string{listView.context}, Key: gocui.MouseWheelDown, Modifier: gocui.ModNone, Handler: listView.handleNextLine},
 			{ViewName: listView.viewName, Contexts: []string{listView.context}, Key: gocui.MouseLeft, Modifier: gocui.ModNone, Handler: listView.handleClick},
 		}...)
diff --git a/pkg/gui/list_view.go b/pkg/gui/list_view.go
index 90ea7b8b0..99039eb13 100644
--- a/pkg/gui/list_view.go
+++ b/pkg/gui/list_view.go
@@ -42,6 +42,40 @@ func (lv *listView) handleLineChange(change int) error {
 	return lv.handleItemSelect(lv.gui.g, view)
 }
 
+func (lv *listView) handleNextPage(g *gocui.Gui, v *gocui.View) error {
+	view, err := lv.gui.g.View(lv.viewName)
+	if err != nil {
+		return nil
+	}
+	_, height := view.Size()
+	delta := height - 1
+	if delta == 0 {
+		delta = 1
+	}
+	return lv.handleLineChange(delta)
+}
+
+func (lv *listView) handleGotoTop(g *gocui.Gui, v *gocui.View) error {
+	return lv.handleLineChange(-lv.getItemsLength())
+}
+
+func (lv *listView) handleGotoBottom(g *gocui.Gui, v *gocui.View) error {
+	return lv.handleLineChange(lv.getItemsLength())
+}
+
+func (lv *listView) handlePrevPage(g *gocui.Gui, v *gocui.View) error {
+	view, err := lv.gui.g.View(lv.viewName)
+	if err != nil {
+		return nil
+	}
+	_, height := view.Size()
+	delta := height - 1
+	if delta == 0 {
+		delta = 1
+	}
+	return lv.handleLineChange(-delta)
+}
+
 func (lv *listView) handleClick(g *gocui.Gui, v *gocui.View) error {
 	if !lv.gui.isPopupPanel(lv.viewName) && lv.gui.popupPanelFocused() {
 		return nil
-- 
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