From 26f89fedef516a768e7d64ae90f440c6f01c96c8 Mon Sep 17 00:00:00 2001
From: Ilya Laktyushin <ilya@laktyush.in>
Date: Sun, 15 Dec 2019 20:13:04 +0400
Subject: [PATCH] Fix pattern wallpaper preview & setup interface

---
 .../Themes/WallpaperPatternPanelNode.swift      | 17 +++++++++++++----
 .../Sources/WallpaperResources.swift            |  1 -
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/submodules/SettingsUI/Sources/Themes/WallpaperPatternPanelNode.swift b/submodules/SettingsUI/Sources/Themes/WallpaperPatternPanelNode.swift
index 1ae6a7e093..9e8ff0bfc8 100644
--- a/submodules/SettingsUI/Sources/Themes/WallpaperPatternPanelNode.swift
+++ b/submodules/SettingsUI/Sources/Themes/WallpaperPatternPanelNode.swift
@@ -42,7 +42,9 @@ final class WallpaperPatternPanelNode: ASDisplayNode {
     
     var backgroundColors: (UIColor, UIColor?)? = nil {
         didSet {
-            self.updateWallpapers()
+            if oldValue?.0.rgb != self.backgroundColors?.0.rgb || oldValue?.1?.rgb != self.backgroundColors?.1?.rgb {
+                self.updateWallpapers()
+            }
         }
     }
     
@@ -136,7 +138,11 @@ final class WallpaperPatternPanelNode: ASDisplayNode {
           
         let backgroundColors = self.backgroundColors ?? (UIColor(rgb: 0xd6e2ee), nil)
         
-        var selected = true
+        var selectedFileId: Int64?
+        if let currentWallpaper = self.currentWallpaper, case let .file(file) = currentWallpaper {
+            selectedFileId = file.id
+        }
+        
         for wallpaper in wallpapers {
             let node = SettingsThemeWallpaperNode(overlayBackgroundColor: self.serviceBackgroundColor.withAlphaComponent(0.4))
             node.clipsToBounds = true
@@ -148,6 +154,11 @@ final class WallpaperPatternPanelNode: ASDisplayNode {
                 updatedWallpaper = .file(id: file.id, accessHash: file.accessHash, isCreator: file.isCreator, isDefault: file.isDefault, isPattern: file.isPattern, isDark: file.isDark, slug: file.slug, file: file.file, settings: settings)
             }
             
+            var selected = false
+            if case let .file(file) = wallpaper, file.id == selectedFileId {
+                selected = true
+            }
+            
             node.setWallpaper(context: self.context, wallpaper: updatedWallpaper, selected: selected, size: itemSize)
             node.pressed = { [weak self, weak node] in
                 if let strongSelf = self {
@@ -163,8 +174,6 @@ final class WallpaperPatternPanelNode: ASDisplayNode {
                 }
             }
             self.scrollNode.addSubnode(node)
-            
-            selected = false
         }
         
         self.scrollNode.view.contentSize = CGSize(width: (itemSize.width + inset) * CGFloat(wallpapers.count) + inset, height: 112.0)
diff --git a/submodules/WallpaperResources/Sources/WallpaperResources.swift b/submodules/WallpaperResources/Sources/WallpaperResources.swift
index fd84461012..ad593d4c3d 100644
--- a/submodules/WallpaperResources/Sources/WallpaperResources.swift
+++ b/submodules/WallpaperResources/Sources/WallpaperResources.swift
@@ -480,7 +480,6 @@ public func patternWallpaperImageInternal(thumbnailData: Data?, fullSizeData: Da
                        
                         if colors.count == 1 {
                             c.setFillColor(patternColor(for: color, intensity: intensity, prominent: prominent).cgColor)
-                                      c.fill(arguments.drawingRect)
                             c.fill(arguments.drawingRect)
                         } else {
                             let gradientColors = colors.map { patternColor(for: $0, intensity: intensity, prominent: prominent).cgColor } as CFArray