From 9f0ade7fe49032c8f49fbfd56da1486279eb48bb Mon Sep 17 00:00:00 2001
From: lazysnake <lazysnake@protonmail.com>
Date: Thu, 17 Jun 2021 18:53:01 +0200
Subject: [PATCH] cg gallery wip vol4: pagination

---
 game/src/cg_gallery.rpy | 44 +++++++++++++++++++++++++++++++----------
 1 file changed, 34 insertions(+), 10 deletions(-)

diff --git a/game/src/cg_gallery.rpy b/game/src/cg_gallery.rpy
index 9e3aa79..e350eb0 100644
--- a/game/src/cg_gallery.rpy
+++ b/game/src/cg_gallery.rpy
@@ -14,6 +14,9 @@ init python:
     # { item: string; cg: Displayable; }[]
     galleryItems = []
 
+    # Which page of the gallery is shown
+    galleryPage = 1
+
     # Make a scaled cg button
     # (cg: string, unlocked?: boolean): Displayable
     def cg(fname, unlocked = False):
@@ -72,6 +75,16 @@ init python:
         end = start + GALLERY_CGS_PER_PAGE
         return galleryItems[start:end]
 
+    # Increments page
+    # (): None
+    def nextPage():
+        galleryPage += 1
+
+    # Decrements page
+    # (): None
+    def prevPage():
+        galleryPage -= 1
+
     # Call to loading the gallery
     loadGallery()
 
@@ -84,16 +97,27 @@ screen cg_gallery():
     use game_menu(_("Gallery"), scroll="viewport"):
 
         fixed:
-            $ pageItems = getGalleryPage(3)
+            $ pageItems = getGalleryPage(galleryPage)
             $ galleryRows = len(pageItems) / GALLERY_COLS
-            grid GALLERY_COLS galleryRows:
+            $ maxPage = len(galleryItems) / GALLERY_CGS_PER_PAGE
+            vbox:
+                hbox:
+                    grid GALLERY_COLS galleryRows:
 
-                spacing gui.slot_spacing
+                        spacing gui.slot_spacing
 
-                # Iterate through galleryItems and add cgs buttons
-                for item in pageItems:
-                    if item["item"] == None:
-                        # TODO: empty space
-                        add g.make_button(pageItems[0]["item"], pageItems[0]["cg"], xalign = 0.5, yalign = 0.5)
-                    else:
-                        add g.make_button(item["item"], item["cg"], xalign = 0.5, yalign = 0.5)
+                        # Iterate through galleryItems and add cgs buttons
+                        for item in pageItems:
+                            if item["item"] == None:
+                                # TODO: empty space
+                                add g.make_button(pageItems[0]["item"], pageItems[0]["cg"], xalign = 0.5, yalign = 0.5)
+                            else:
+                                add g.make_button(item["item"], item["cg"], xalign = 0.5, yalign = 0.5)
+
+                hbox:
+                    if galleryPage < maxPage:
+                        textbutton ">" action SetVariable("galleryPage", galleryPage + 1)
+
+                hbox:
+                    if galleryPage > 1:
+                        textbutton "<" action SetVariable("galleryPage", galleryPage - 1)