Add actions for --bind: select-all / deselect-all / toggle-all

Close #257

src/options.go

@@ -408,6 +408,12 @@ func parseKeymap(keymap map[int]actionType, toggleSort bool, str string) (map[in
 			keymap[key] = actToggleDown
 		case "toggle-up":
 			keymap[key] = actToggleUp
+		case "toggle-all":
+			keymap[key] = actToggleAll
+		case "select-all":
+			keymap[key] = actSelectAll
+		case "deselect-all":
+			keymap[key] = actDeselectAll
 		case "toggle":
 			keymap[key] = actToggle
 		case "down":

src/terminal.go

@@ -105,7 +105,10 @@ const (
 	actUnixWordRubout
 	actYank
 	actBackwardKillWord
+	actSelectAll
+	actDeselectAll
 	actToggle
+	actToggleAll
 	actToggleDown
 	actToggleUp
 	actDown
@@ -661,9 +664,7 @@ func (t *Terminal) Loop() {
 				}
 			}
 		}
-		toggle := func() {
+		selectItem := func(item *Item) bool {
-			if t.cy < t.merger.Length() {
-				item := t.merger.Get(t.cy)
 			if _, found := t.selected[item.index]; !found {
 				var strptr *string
 				if item.origText != nil {
@@ -672,9 +673,19 @@ func (t *Terminal) Loop() {
 					strptr = item.text
 				}
 				t.selected[item.index] = selectedItem{time.Now(), strptr}
-				} else {
+				return true
+			}
+			return false
+		}
+		toggleY := func(y int) {
+			item := t.merger.Get(y)
+			if !selectItem(item) {
 				delete(t.selected, item.index)
 			}
+		}
+		toggle := func() {
+			if t.cy < t.merger.Length() {
+				toggleY(t.cy)
 				req(reqInfo)
 			}
 		}
@@ -725,11 +736,34 @@ func (t *Terminal) Loop() {
 				t.input = append(t.input[:t.cx-1], t.input[t.cx:]...)
 				t.cx--
 			}
+		case actSelectAll:
+			if t.multi {
+				for i := 0; i < t.merger.Length(); i++ {
+					item := t.merger.Get(i)
+					selectItem(item)
+				}
+				req(reqList, reqInfo)
+			}
+		case actDeselectAll:
+			if t.multi {
+				for i := 0; i < t.merger.Length(); i++ {
+					item := t.merger.Get(i)
+					delete(t.selected, item.index)
+				}
+				req(reqList, reqInfo)
+			}
 		case actToggle:
 			if t.multi && t.merger.Length() > 0 {
 				toggle()
 				req(reqList)
 			}
+		case actToggleAll:
+			if t.multi {
+				for i := 0; i < t.merger.Length(); i++ {
+					toggleY(i)
+				}
+				req(reqList, reqInfo)
+			}
 		case actToggleDown:
 			if t.multi && t.merger.Length() > 0 {
 				toggle()

test/test_go.rb

@@ -543,6 +543,29 @@ class TestGoFZF < TestBase
     assert_equal lines.last, `find . -print0 | #{FZF} --null -e -f "^#{lines.last}$"`.chomp
   end
 
+  def test_select_all_deselect_all_toggle_all
+    tmux.send_keys "seq 100 | #{fzf '--bind ctrl-a:select-all,ctrl-d:deselect-all,ctrl-t:toggle-all --multi'}", :Enter
+    tmux.until { |lines| lines[-2].include? '100/100' }
+    tmux.send_keys :BTab, :BTab, :BTab
+    tmux.until { |lines| lines[-2].include? '(3)' }
+    tmux.send_keys 'C-t'
+    tmux.until { |lines| lines[-2].include? '(97)' }
+    tmux.send_keys 'C-a'
+    tmux.until { |lines| lines[-2].include? '(100)' }
+    tmux.send_keys :Tab, :Tab
+    tmux.until { |lines| lines[-2].include? '(98)' }
+    tmux.send_keys 'C-d'
+    tmux.until { |lines| !lines[-2].include? '(' }
+    tmux.send_keys :Tab, :Tab
+    tmux.until { |lines| lines[-2].include? '(2)' }
+    tmux.send_keys 0
+    tmux.until { |lines| lines[-2].include? '10/100' }
+    tmux.send_keys 'C-a'
+    tmux.until { |lines| lines[-2].include? '(12)' }
+    tmux.send_keys :Enter
+    assert_equal %w[2 1 10 20 30 40 50 60 70 80 90 100], readonce.split($/)
+  end
+
 private
   def writelines path, lines
     File.unlink path while File.exists? path