add keybindings for paging in list panels and jumping to top/bottom

docs/Config.md

@@ -53,6 +53,10 @@ Default path for the config file:
       nextItem: '<down>' # go one line down
       prevItem-alt: 'k' # go one line up
       nextItem-alt: 'j' # go one line down
+      prevPage: ',' # go to next page in list
+      nextPage: '.' # go to previous page in list
+      gotoTop: '<' # go to top of list
+      gotoBottom: '>' # go to bottom of list
       prevBlock: '<left>' # goto the previous block / panel
       nextBlock: '<right>' # goto the next block / panel
       prevBlock-alt: 'h' # goto the previous block / panel

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'

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},
 		}...)

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