WIP: standardising how we render to main

1 files changed, 69 insertions, 0 deletions

diff --git a/pkg/gui/main_panels.go b/pkg/gui/main_panels.go
new file mode 100644
index 000000000..af6718c60
--- /dev/null
+++ b/pkg/gui/main_panels.go
@@ -0,0 +1,69 @@
+package gui
+
+import "os/exec"
+
+type viewUpdateOpts struct {
+	title string
+	task  func() error
+}
+
+type refreshMainOpts struct {
+	main      *viewUpdateOpts
+	secondary *viewUpdateOpts
+}
+
+// constants for updateTask's kind field
+const (
+	RENDER_STRING = iota
+	RUN_FUNCTION
+	RUN_COMMAND
+)
+
+type updateTask struct {
+	kind int
+	str  string
+	f    func(chan struct{}) error
+	cmd  *exec.Cmd
+}
+
+func (gui *Gui) createRenderStringTask(str string) {
+
+}
+
+func (gui *Gui) refreshMain(opts refreshMainOpts) error {
+	mainView := gui.getMainView()
+	secondaryView := gui.getSecondaryView()
+
+	if opts.main != nil {
+		mainView.Title = opts.main.title
+		if err := opts.main.task(); err != nil {
+			gui.Log.Error(err)
+			return nil
+		}
+	}
+
+	gui.splitMainPanel(opts.secondary != nil)
+
+	if opts.secondary != nil {
+		secondaryView.Title = opts.secondary.title
+		if err := opts.secondary.task(); err != nil {
+			gui.Log.Error(err)
+			return nil
+		}
+	}
+
+	return nil
+}
+
+func (gui *Gui) splitMainPanel(splitMainPanel bool) {
+	gui.State.SplitMainPanel = splitMainPanel
+
+	// no need to set view on bottom when splitMainPanel is false: it will have zero size anyway thanks to our view arrangement code.
+	if splitMainPanel {
+		_, _ = gui.g.SetViewOnTop("secondary")
+	}
+}
+
+func (gui *Gui) isMainPanelSplit() bool {
+	return gui.State.SplitMainPanel
+}