Log compact header button bounds

internal/appui/settings.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"image"
 	"image/color"
+	"log"
 	"os"
 	"path/filepath"
 	"strings"
@@ -35,7 +36,8 @@ const (
 type accessibilityPreferences = settingsmodel.AccessibilityPreferences
 
 type settingsFile struct {
-	Sync syncSettings `json:"sync,omitempty"`
+	Sync  syncSettings  `json:"sync,omitempty"`
+	Debug debugSettings `json:"debug,omitempty"`
 }
 
 type syncSettings struct {
@@ -43,6 +45,10 @@ type syncSettings struct {
 	DirectionDefault string `json:"directionDefault,omitempty"`
 }
 
+type debugSettings struct {
+	LogHeaderBounds bool `json:"logHeaderBounds,omitempty"`
+}
+
 type syncSettingsDraft struct {
 	SourceDefault    syncSourceMode
 	DirectionDefault syncDirection
@@ -51,6 +57,7 @@ type syncSettingsDraft struct {
 type settingsDraft struct {
 	Accessibility accessibilityPreferences
 	Sync          syncSettingsDraft
+	Debug         debugSettings
 }
 
 type legacySyncPreferences struct {
@@ -191,7 +198,11 @@ func (u *ui) loadSettingsDraft() {
 			SourceDefault:    u.syncDefaultSourceMode,
 			DirectionDefault: u.syncDefaultDirection,
 		},
+		Debug: debugSettings{
+			LogHeaderBounds: u.debugLogHeaderBounds,
+		},
 	}
+	u.settingsDebugHeaderBounds.Value = u.settingsDraft.Debug.LogHeaderBounds
 }
 
 func (u *ui) saveSecuritySettingsAction() error {
@@ -213,9 +224,14 @@ func (u *ui) applySecuritySettingsLive() error {
 	if u.settingsDraft.Accessibility.DisplayDensity == displayDensityForDenseLayout(u.denseLayout) {
 		u.settingsDraft.Accessibility.DisplayDensity = displayDensityForDenseLayout(u.settingsDenseLayout.Value)
 	}
+	u.settingsDraft.Debug.LogHeaderBounds = u.settingsDebugHeaderBounds.Value
 	u.settingsDenseLayout.Value = u.settingsDraft.Accessibility.DisplayDensity == displayDensityDense
 	u.syncDefaultSourceMode = sanitizeSyncSourceMode(u.settingsDraft.Sync.SourceDefault)
 	u.syncDefaultDirection = sanitizeSyncDirection(u.settingsDraft.Sync.DirectionDefault)
+	u.debugLogHeaderBounds = u.settingsDraft.Debug.LogHeaderBounds
+	if !u.debugLogHeaderBounds {
+		u.lastHeaderBoundsLog = ""
+	}
 	u.applySettingsFormToPreferences()
 	u.applyAccessibilityPreferences(u.settingsDraft.Accessibility)
 	u.saveSettings()
@@ -234,6 +250,7 @@ func (u *ui) loadSettings() {
 			if json.Unmarshal(content, &settings) == nil {
 				u.syncDefaultSourceMode = sanitizeSyncSourceMode(syncSourceMode(settings.Sync.SourceDefault))
 				u.syncDefaultDirection = sanitizeSyncDirection(syncDirection(settings.Sync.DirectionDefault))
+				u.debugLogHeaderBounds = settings.Debug.LogHeaderBounds
 				return
 			}
 		}
@@ -270,6 +287,9 @@ func (u *ui) saveSettings() {
 			SourceDefault:    string(u.syncDefaultSourceMode),
 			DirectionDefault: string(u.syncDefaultDirection),
 		},
+		Debug: debugSettings{
+			LogHeaderBounds: u.debugLogHeaderBounds,
+		},
 	}, "", "  ")
 	if err != nil {
 		return
@@ -277,6 +297,18 @@ func (u *ui) saveSettings() {
 	_ = os.WriteFile(u.settingsPath, content, 0o600)
 }
 
+func (u *ui) maybeLogHeaderBounds(bounds headerButtonBounds) {
+	if !u.debugLogHeaderBounds {
+		return
+	}
+	line := bounds.logLine(u.mode)
+	if line == u.lastHeaderBoundsLog {
+		return
+	}
+	log.Print(line)
+	u.lastHeaderBoundsLog = line
+}
+
 func (u *ui) showStatusMessage(message string) {
 	u.state.StatusMessage = message
 	if u.accessibilityPrefs.ReducedMotion {