From 784bb77d91abb459755c7fc7042d89b54eb645d8 Mon Sep 17 00:00:00 2001
From: Piotr Grabowski <fau999@gmail.com>
Date: Sat, 10 Aug 2024 14:58:13 +0200
Subject: [PATCH] feat(ui): allow temporarily revealing the UI with the alt
 button if hidden

---
 app.go        | 6 ++++++
 config.go     | 1 +
 image_area.go | 6 ++++++
 3 files changed, 13 insertions(+)

diff --git a/app.go b/app.go
index ea2cbdb..f0f8427 100644
--- a/app.go
+++ b/app.go
@@ -70,6 +70,7 @@ type State struct {
 	RecentManager                 *gtk.RecentManager
 	BackgroundColorCssProvider    *gtk.CssProvider
 	PageCacheTrimTimeoutHandle    *glib.SourceHandle
+	UITemporarilyRevealed         bool
 }
 
 //go:embed about.jpg
@@ -236,6 +237,11 @@ func (app *App) handleKeyPress(key uint, shift bool, ctrl bool) {
 		} else {
 			app.W.MenuItemNextPage.Activate()
 		}
+	case gdk.KEY_Alt_L:
+		if app.Config.HideUI {
+			app.S.UITemporarilyRevealed = !app.S.UITemporarilyRevealed
+			app.toggleHideUI(!app.S.UITemporarilyRevealed)
+		}
 	}
 }
 
diff --git a/config.go b/config.go
index 04a36fd..361cfd7 100644
--- a/config.go
+++ b/config.go
@@ -202,6 +202,7 @@ func (app *App) setHideUI(hideUI bool) {
 	app.Config.HideUI = hideUI
 	app.toggleHideUI(hideUI)
 	app.W.MenuItemHideUI.SetActive(hideUI)
+	app.S.UITemporarilyRevealed = false
 }
 
 func (app *App) setShrink(shrink bool) {
diff --git a/image_area.go b/image_area.go
index 6313de6..fe86f47 100644
--- a/image_area.go
+++ b/image_area.go
@@ -35,6 +35,12 @@ func (app *App) imageAreaInit() {
 	})
 
 	app.W.ScrolledWindow.Connect("button-press-event", func(self *gtk.ScrolledWindow, event *gdk.Event) bool {
+		if app.S.UITemporarilyRevealed {
+			app.S.UITemporarilyRevealed = false
+			app.toggleHideUI(true)
+			return true
+		}
+
 		be := &gdk.EventButton{Event: event}
 		switch be.Button() {
 		case 1: