From 2d8e54b1c8e73f25b3b90e5c3b335ee3cfcabcaa Mon Sep 17 00:00:00 2001
From: Lukas Batelka <lukas.batelka@firma.seznam.cz>
Date: Mon, 15 Sep 2025 22:54:21 +0200
Subject: [PATCH] feature/ui vylepsene ui

---
 ui.go | 65 ++++++++++++++++-------------------------------------------
 1 file changed, 17 insertions(+), 48 deletions(-)

diff --git a/ui.go b/ui.go
index 2132a52..8418067 100644
--- a/ui.go
+++ b/ui.go
@@ -63,40 +63,21 @@ func (p *uiParts) showToast(msg string) {
 	})
 }
 
-// theme toggle
-// Simple theme variants using built-in with preference respecting variant
-// lightOverride & darkOverride implement fyne.Theme with adjusted primary/background colors.
-// minimal two themes (light/dark) customizing a couple of colors
-type simpleTheme struct{ dark bool }
+// custom fixed dark theme
+type simpleTheme struct{}
 
-func (s simpleTheme) Color(n fyne.ThemeColorName, v fyne.ThemeVariant) color.Color {
+func (simpleTheme) Color(n fyne.ThemeColorName, v fyne.ThemeVariant) color.Color {
 	base := theme.DefaultTheme().Color(n, v)
-	if !s.dark {
-		return base
-	}
-	// dark tweak: slightly desaturate backgrounds
 	if n == theme.ColorNameBackground || n == theme.ColorNameButton {
 		return color.NRGBA{R: 30, G: 34, B: 39, A: 255}
 	}
 	return base
 }
-func (s simpleTheme) Font(st fyne.TextStyle) fyne.Resource    { return theme.DefaultTheme().Font(st) }
-func (s simpleTheme) Icon(n fyne.ThemeIconName) fyne.Resource { return theme.DefaultTheme().Icon(n) }
-func (s simpleTheme) Size(n fyne.ThemeSizeName) float32       { return theme.DefaultTheme().Size(n) }
+func (simpleTheme) Font(st fyne.TextStyle) fyne.Resource    { return theme.DefaultTheme().Font(st) }
+func (simpleTheme) Icon(n fyne.ThemeIconName) fyne.Resource { return theme.DefaultTheme().Icon(n) }
+func (simpleTheme) Size(n fyne.ThemeSizeName) float32       { return theme.DefaultTheme().Size(n) }
 
-var currentDark bool
-
-func newThemeToggle(app fyne.App, parts *uiParts) *widget.Button {
-	return widget.NewButton("🌗 Motiv", func() {
-		currentDark = !currentDark
-		app.Settings().SetTheme(simpleTheme{dark: currentDark})
-		if currentDark {
-			parts.showToast("Dark")
-		} else {
-			parts.showToast("Light")
-		}
-	})
-}
+var forceDark = true
 
 // Build key section
 func buildIdentityTab(parts *uiParts, svc ServiceFacade) fyne.CanvasObject {
@@ -158,15 +139,16 @@ func buildEncryptTab(parts *uiParts, svc ServiceFacade) fyne.CanvasObject {
 		}(m, p)
 	}
 	msgBtns := buttonTile(
+		widget.NewButton("Clear+Paste", func() { parts.msg.SetText(""); parts.msg.SetText(fyne.CurrentApp().Clipboard().Content()) }),
 		widget.NewButton("Encrypt", encAction),
-		widget.NewButton("Copy", func() { copyClip(parts.cipherOut.Text, parts) }),
+		widget.NewButton("Copy encrypted", func() { copyClip(parts.cipherOut.Text, parts) }),
 	)
-	resultBtns := buttonTile(widget.NewButton("Copy", func() { copyClip(parts.cipherOut.Text, parts) }))
+
 	group := container.NewVBox(
 		widget.NewLabelWithStyle("Šifrování", fyne.TextAlignLeading, fyne.TextStyle{Bold: true}),
 		widget.NewLabel("Veřejný klíč příjemce"), peerBtns, parts.peer,
 		widget.NewLabel("Zpráva"), msgBtns, parts.msg,
-		widget.NewLabel("Výsledek"), resultBtns, parts.cipherOut,
+		widget.NewLabel("Výsledek"), parts.cipherOut,
 	)
 	return container.NewVScroll(group)
 }
@@ -196,7 +178,7 @@ func buildDecryptTab(parts *uiParts, svc ServiceFacade) fyne.CanvasObject {
 			decryptAction()
 		}),
 		// widget.NewButton("Decrypt", decryptAction),
-		widget.NewButton("Clear", func() { parts.payload.SetText("") }),
+		widget.NewButton("Clear", func() { parts.payload.SetText(""); parts.plainOut.SetText("") }),
 	)
 	plainBtns := buttonTile(widget.NewButton("Copy", func() { copyClip(parts.plainOut.Text, parts) }))
 	group := container.NewVBox(
@@ -214,35 +196,22 @@ func buildTabbedUI(parts *uiParts, svc ServiceFacade) fyne.CanvasObject {
 	tabs := container.NewAppTabs(idTab, encTab, decTab)
 	tabs.SetTabLocation(container.TabLocationTop)
 
-	// top bar with theme toggle
-	themeBtn := newThemeToggle(fyne.CurrentApp(), parts)
-	// load preferences
+	// apply fixed dark theme once
+	fyne.CurrentApp().Settings().SetTheme(simpleTheme{})
 	prefs := fyne.CurrentApp().Preferences()
 	if prefs != nil {
 		idx := prefs.IntWithFallback("lastTab", 0)
 		if idx >= 0 && idx < len(tabs.Items) {
 			tabs.SelectIndex(idx)
 		}
-		if prefs.Bool("darkTheme") {
-			currentDark = true
-			fyne.CurrentApp().Settings().SetTheme(simpleTheme{dark: true})
-		}
+		// only persist lastTab now
 	}
 	tabs.OnSelected = func(ti *container.TabItem) {
 		if prefs != nil {
 			prefs.SetInt("lastTab", tabs.SelectedIndex())
 		}
 	}
-	// wrap toggle to persist theme choice
-	oldAction := themeBtn.OnTapped
-	themeBtn.OnTapped = func() {
-		oldAction()
-		if prefs != nil {
-			prefs.SetBool("darkTheme", currentDark)
-		}
-	}
-	topBar := container.NewBorder(nil, nil, nil, themeBtn, tabs)
-	return container.NewBorder(nil, parts.toastLabel, nil, nil, topBar)
+	return container.NewBorder(nil, parts.toastLabel, nil, nil, tabs)
 }
 
 // buttonTile renders buttons above a related entry with a colored background spanning full width
@@ -256,7 +225,7 @@ func buttonTile(btns ...fyne.CanvasObject) fyne.CanvasObject {
 	} // wrap into multiple rows if many
 	grid := container.NewGridWithColumns(cols, btns...)
 	bgColor := color.NRGBA{R: 240, G: 240, B: 245, A: 255}
-	if currentDark {
+	if forceDark {
 		bgColor = color.NRGBA{R: 50, G: 54, B: 60, A: 255}
 	}
 	rect := canvas.NewRectangle(bgColor)