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lazygit/pkg/gui/window.go
2022-08-06 13:49:11 +10:00

107 lines
2.9 KiB
Go

package gui
import (
"fmt"
"github.com/jesseduffield/lazygit/pkg/gui/context"
"github.com/jesseduffield/lazygit/pkg/gui/types"
"github.com/samber/lo"
)
// A window refers to a place on the screen which can hold one or more views.
// A view is a box that renders content, and within a window only one view will
// appear at a time. When a view appears within a window, it occupies the whole
// space. Right now most windows are 1:1 with views, except for commitFiles which
// is a view that moves between windows
func (gui *Gui) initialWindowViewNameMap(contextTree *context.ContextTree) map[string]string {
result := map[string]string{}
for _, context := range contextTree.Flatten() {
result[context.GetWindowName()] = context.GetViewName()
}
return result
}
func (gui *Gui) getViewNameForWindow(window string) string {
viewName, ok := gui.State.WindowViewNameMap[window]
if !ok {
panic(fmt.Sprintf("Viewname not found for window: %s", window))
}
return viewName
}
func (gui *Gui) getContextForWindow(window string) types.Context {
viewName := gui.getViewNameForWindow(window)
context, ok := gui.contextForView(viewName)
if !ok {
panic("TODO: fix this")
}
return context
}
// for now all we actually care about is the context's view so we're storing that
func (gui *Gui) setWindowContext(c types.Context) {
if c.IsTransient() {
gui.resetWindowContext(c)
}
gui.State.WindowViewNameMap[c.GetWindowName()] = c.GetViewName()
}
func (gui *Gui) currentWindow() string {
return gui.currentContext().GetWindowName()
}
// assumes the context's windowName has been set to the new window if necessary
func (gui *Gui) resetWindowContext(c types.Context) {
for windowName, viewName := range gui.State.WindowViewNameMap {
if viewName == c.GetViewName() && windowName != c.GetWindowName() {
for _, context := range gui.State.Contexts.Flatten() {
if context.GetKey() != c.GetKey() && context.GetWindowName() == windowName {
gui.State.WindowViewNameMap[windowName] = context.GetViewName()
}
}
}
}
}
func (gui *Gui) moveToTopOfWindow(context types.Context) {
view := context.GetView()
if view == nil {
return
}
window := context.GetWindowName()
// now I need to find all views in that same window, via contexts. And I guess then I need to find the index of the highest view in that list.
viewNamesInWindow := gui.viewNamesInWindow(window)
// The views list is ordered highest-last, so we're grabbing the last view of the window
topView := view
for _, currentView := range gui.g.Views() {
if lo.Contains(viewNamesInWindow, currentView.Name()) {
topView = currentView
}
}
if err := gui.g.SetViewOnTopOf(view.Name(), topView.Name()); err != nil {
gui.Log.Error(err)
}
}
func (gui *Gui) viewNamesInWindow(windowName string) []string {
result := []string{}
for _, context := range gui.State.Contexts.Flatten() {
if context.GetWindowName() == windowName {
result = append(result, context.GetViewName())
}
}
return result
}