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lazygit/pkg/gui/view_helpers.go
2022-03-17 19:13:40 +11:00

208 lines
6.2 KiB
Go

package gui
import (
"fmt"
"sort"
"strings"
"github.com/jesseduffield/gocui"
"github.com/jesseduffield/lazygit/pkg/gui/types"
"github.com/jesseduffield/lazygit/pkg/utils"
"github.com/spkg/bom"
)
func (gui *Gui) getCyclableWindows() []string {
return []string{"status", "files", "branches", "commits", "stash"}
}
func (gui *Gui) resetOrigin(v *gocui.View) error {
_ = v.SetCursor(0, 0)
return v.SetOrigin(0, 0)
}
func (gui *Gui) cleanString(s string) string {
output := string(bom.Clean([]byte(s)))
return utils.NormalizeLinefeeds(output)
}
func (gui *Gui) setViewContent(v *gocui.View, s string) {
v.SetContent(gui.cleanString(s))
}
// renderString resets the origin of a view and sets its content
func (gui *Gui) renderString(view *gocui.View, s string) error {
if err := view.SetOrigin(0, 0); err != nil {
return err
}
if err := view.SetCursor(0, 0); err != nil {
return err
}
gui.setViewContent(view, s)
return nil
}
func (gui *Gui) optionsMapToString(optionsMap map[string]string) string {
optionsArray := make([]string, 0)
for key, description := range optionsMap {
optionsArray = append(optionsArray, key+": "+description)
}
sort.Strings(optionsArray)
return strings.Join(optionsArray, ", ")
}
func (gui *Gui) renderOptionsMap(optionsMap map[string]string) {
_ = gui.renderString(gui.Views.Options, gui.optionsMapToString(optionsMap))
}
func (gui *Gui) currentViewName() string {
currentView := gui.g.CurrentView()
if currentView == nil {
return ""
}
return currentView.Name()
}
func (gui *Gui) resizeCurrentPopupPanel() error {
v := gui.g.CurrentView()
if v == nil {
return nil
}
if gui.isPopupPanel(v.Name()) {
return gui.resizePopupPanel(v, v.Buffer())
}
return nil
}
func (gui *Gui) resizePopupPanel(v *gocui.View, content string) error {
// If the confirmation panel is already displayed, just resize the width,
// otherwise continue
x0, y0, x1, y1 := gui.getConfirmationPanelDimensions(v.Wrap, content)
vx0, vy0, vx1, vy1 := v.Dimensions()
if vx0 == x0 && vy0 == y0 && vx1 == x1 && vy1 == y1 {
return nil
}
_, err := gui.g.SetView(v.Name(), x0, y0, x1, y1, 0)
return err
}
func (gui *Gui) changeSelectedLine(panelState types.IListPanelState, total int, change int) {
// TODO: find out why we're doing this
line := panelState.GetSelectedLineIdx()
if line == -1 {
return
}
var newLine int
if line+change < 0 {
newLine = 0
} else if line+change >= total {
newLine = total - 1
} else {
newLine = line + change
}
panelState.SetSelectedLineIdx(newLine)
}
func (gui *Gui) refreshSelectedLine(panelState types.IListPanelState, total int) {
line := panelState.GetSelectedLineIdx()
if line == -1 && total > 0 {
panelState.SetSelectedLineIdx(0)
} else if total-1 < line {
panelState.SetSelectedLineIdx(total - 1)
}
}
func (gui *Gui) renderDisplayStrings(v *gocui.View, displayStrings [][]string) {
list := utils.RenderDisplayStrings(displayStrings)
v.SetContent(list)
}
func (gui *Gui) renderDisplayStringsInViewPort(v *gocui.View, displayStrings [][]string) {
list := utils.RenderDisplayStrings(displayStrings)
_, y := v.Origin()
v.OverwriteLines(y, list)
}
func (gui *Gui) globalOptionsMap() map[string]string {
keybindingConfig := gui.c.UserConfig.Keybinding
return map[string]string{
fmt.Sprintf("%s/%s", gui.getKeyDisplay(keybindingConfig.Universal.ScrollUpMain), gui.getKeyDisplay(keybindingConfig.Universal.ScrollDownMain)): gui.c.Tr.LcScroll,
fmt.Sprintf("%s %s %s %s", gui.getKeyDisplay(keybindingConfig.Universal.PrevBlock), gui.getKeyDisplay(keybindingConfig.Universal.NextBlock), gui.getKeyDisplay(keybindingConfig.Universal.PrevItem), gui.getKeyDisplay(keybindingConfig.Universal.NextItem)): gui.c.Tr.LcNavigate,
gui.getKeyDisplay(keybindingConfig.Universal.Return): gui.c.Tr.LcCancel,
gui.getKeyDisplay(keybindingConfig.Universal.Quit): gui.c.Tr.LcQuit,
gui.getKeyDisplay(keybindingConfig.Universal.OptionMenu): gui.c.Tr.LcMenu,
fmt.Sprintf("%s-%s", gui.getKeyDisplay(keybindingConfig.Universal.JumpToBlock[0]), gui.getKeyDisplay(keybindingConfig.Universal.JumpToBlock[len(keybindingConfig.Universal.JumpToBlock)-1])): gui.c.Tr.LcJump,
fmt.Sprintf("%s/%s", gui.getKeyDisplay(keybindingConfig.Universal.ScrollLeft), gui.getKeyDisplay(keybindingConfig.Universal.ScrollRight)): gui.c.Tr.LcScrollLeftRight,
}
}
func (gui *Gui) isPopupPanel(viewName string) bool {
return viewName == "commitMessage" || viewName == "credentials" || viewName == "confirmation" || viewName == "menu"
}
func (gui *Gui) popupPanelFocused() bool {
return gui.isPopupPanel(gui.currentViewName())
}
// secondaryViewFocused tells us whether it appears that the secondary view is focused. The view is actually never focused for real: we just swap the main and secondary views and then you're still focused on the main view so that we can give you access to all its keybindings for free. I will probably regret this design decision soon enough.
func (gui *Gui) secondaryViewFocused() bool {
state := gui.State.Panels.LineByLine
return state != nil && state.SecondaryFocused
}
func (gui *Gui) onViewTabClick(viewName string, tabIndex int) error {
context := gui.State.ViewTabContextMap[viewName][tabIndex].Contexts[0]
return gui.c.PushContext(context)
}
func (gui *Gui) handleNextTab() error {
v := getTabbedView(gui)
if v == nil {
return nil
}
return gui.onViewTabClick(
v.Name(),
utils.ModuloWithWrap(v.TabIndex+1, len(v.Tabs)),
)
}
func (gui *Gui) handlePrevTab() error {
v := getTabbedView(gui)
if v == nil {
return nil
}
return gui.onViewTabClick(
v.Name(),
utils.ModuloWithWrap(v.TabIndex-1, len(v.Tabs)),
)
}
// this is the distance we will move the cursor when paging up or down in a view
func (gui *Gui) pageDelta(view *gocui.View) int {
_, height := view.Size()
delta := height - 1
if delta == 0 {
return 1
}
return delta
}
func getTabbedView(gui *Gui) *gocui.View {
// It safe assumption that only static contexts have tabs
context := gui.currentStaticContext()
view, _ := gui.g.View(context.GetViewName())
return view
}
func (gui *Gui) render() {
gui.OnUIThread(func() error { return nil })
}