Scroll body list view on item height diff

3 files changed, 22 insertions, 3 deletions

diff --git a/README.md b/README.md
index 2678619..00e0b40 100644
--- a/README.md
+++ b/README.md
@@ -29,9 +29,9 @@ If you are running arch linux then you can install QuickMedia from aur (https://
 ### Executables
 `curl`
 ### Fonts
-`noto-fonts` (when `QM_USE_SYSTEM_FONTS` is not set to `1`)
+`noto-fonts` (when `use_system_fonts` config is not set to `true`)
 ### Optional
-`noto-fonts-cjk` needs to be installed to view chinese, japanese and korean characters  (when `QM_USE_SYSTEM_FONTS` is not set to `1`).\
+`noto-fonts-cjk` needs to be installed to view chinese, japanese and korean characters  (when `use_system_fonts` config is not set to `true`).\
 `mpv` needs to be installed to play videos.\
 `youtube-dl` needs to be installed to play/download xxx videos.\
 `notify-send` (which is part of `libnotify`) needs to be installed to show notifications (on Linux and other systems that uses d-bus notification system).\
@@ -39,7 +39,7 @@ If you are running arch linux then you can install QuickMedia from aur (https://
 `waifu2x-ncnn-vulkan` needs to be installed when using the `--upscale-images` or `--upscale-images-always` option.\
 `xdg-utils` which provides `xdg-open` needs to be installed when downloading torrents with `nyaa.si` plugin.\
 `ffmpeg (and ffprobe which is included in ffmpeg)` needs to be installed to display webp thumbnails, to upload videos with thumbnails on matrix or to merge video and audio when downloading youtube videos.\
-`fc-match` (which is part of `fontconfig`) needs to be installed when `QM_USE_SYSTEM_FONTS` is set to `1`.
+`fc-match` (which is part of `fontconfig`) needs to be installed when `use_system_fonts` config is set to `true`.
 ## Controls
 ### General control
 Type text and then wait and QuickMedia will automatically search.\
diff --git a/include/BodyItem.hpp b/include/BodyItem.hpp
index 1d967b5..e2f4918 100644
--- a/include/BodyItem.hpp
+++ b/include/BodyItem.hpp
@@ -145,6 +145,8 @@ namespace QuickMedia {
         std::string post_number;
         void *userdata; // Not managed, should be deallocated by whoever sets this
         float loaded_height = 0.0f;
+        float height = 0.0f;
+        float prev_height = 0.0f;
         sf::Vector2f loaded_image_size;
         float loaded_content_height = 0.0f;
         FetchStatus embedded_item_status = FetchStatus::NONE;
diff --git a/src/Body.cpp b/src/Body.cpp
index 10e31dd..45ca190 100644
--- a/src/Body.cpp
+++ b/src/Body.cpp
@@ -1050,6 +1050,8 @@ namespace QuickMedia {
                     prev_body_item = items[prev_index].get();
             }
 
+            const float pos_y_before = pos.y;
+
             const bool merge_with_previous = body_item_merge_handler && body_item_merge_handler(prev_body_item, item.get());
             if(attach_side == AttachSide::TOP && merge_with_previous)
                 pos.y -= body_spacing[body_theme].spacing_y;
@@ -1124,10 +1126,25 @@ namespace QuickMedia {
             if(attach_side == AttachSide::BOTTOM && merge_with_previous)
                 pos.y += body_spacing[body_theme].spacing_y;
 
+            const float pos_y_after = pos.y;
+            item->height = std::abs(pos_y_after - pos_y_before);
+            const float height_diff = item->height - item->prev_height;
+            item->prev_height = item->height;
+
             if(attach_side == AttachSide::TOP) {
+                if(index < selected_item) {
+                    page_scroll -= height_diff;
+                    pos.y -= height_diff;
+                }
+
                 prev_body_item = item.get();
                 index = get_next_visible_item(index);
             } else {
+                if(index > selected_item) {
+                    page_scroll += height_diff;
+                    pos.y += height_diff;
+                }
+
                 index = prev_index;
             }
         }