more work on rebasing feature

pkg/gui/context.go

@@ -0,0 +1,76 @@
+package gui
+
+func (gui *Gui) titleMap() map[string]string {
+	return map[string]string{
+		"commits":  gui.Tr.SLocalize("DiffTitle"),
+		"branches": gui.Tr.SLocalize("LogTitle"),
+		"files":    gui.Tr.SLocalize("DiffTitle"),
+		"status":   "",
+		"stash":    gui.Tr.SLocalize("DiffTitle"),
+	}
+}
+
+func (gui *Gui) contextTitleMap() map[string]map[string]string {
+	return map[string]map[string]string{
+		"main": {
+			"staging": gui.Tr.SLocalize("StagingMainTitle"),
+			"merging": gui.Tr.SLocalize("MergingMainTitle"),
+		},
+	}
+}
+
+func (gui *Gui) setMainTitle() error {
+	currentViewName := gui.g.CurrentView().Name()
+	var newTitle string
+	if context, ok := gui.State.Contexts[currentViewName]; ok {
+		newTitle = gui.contextTitleMap()[currentViewName][context]
+	} else if title, ok := gui.titleMap()[currentViewName]; ok {
+		newTitle = title
+	} else {
+		return nil
+	}
+	gui.getMainView().Title = newTitle
+	return nil
+}
+
+func (gui *Gui) changeContext(viewName, context string) error {
+	// todo: store somewhere permanently
+	if gui.State.Contexts[viewName] == context {
+		return nil
+	}
+
+	contextMap := gui.getContextMap()
+
+	gui.g.DeleteKeybindings(viewName)
+
+	bindings := contextMap[viewName][context]
+	for _, binding := range bindings {
+		if err := gui.g.SetKeybinding(viewName, binding.Key, binding.Modifier, binding.Handler); err != nil {
+			return err
+		}
+	}
+	gui.State.Contexts[viewName] = context
+	gui.setMainTitle()
+	return nil
+}
+
+func (gui *Gui) setInitialContexts() error {
+	contextMap := gui.getContextMap()
+
+	initialContexts := map[string]string{
+		"main": "merging",
+	}
+
+	for viewName, context := range initialContexts {
+		bindings := contextMap[viewName][context]
+		for _, binding := range bindings {
+			if err := gui.g.SetKeybinding(binding.ViewName, binding.Key, binding.Modifier, binding.Handler); err != nil {
+				return err
+			}
+		}
+	}
+
+	gui.State.Contexts = initialContexts
+
+	return nil
+}