From a16cfdc4f6cd14d576760c100a817c08f45be394 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Mon, 28 Sep 2020 01:54:57 +0200
Subject: Matrix: add red line at bottom of chat if we are not at the bottom

---
 include/Body.hpp   |  2 ++
 src/Body.cpp       | 10 ++++++++--
 src/QuickMedia.cpp | 11 +++++++++++
 3 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/include/Body.hpp b/include/Body.hpp
index 4887582..35b3f30 100644
--- a/include/Body.hpp
+++ b/include/Body.hpp
@@ -124,6 +124,7 @@ namespace QuickMedia {
 
         void set_page_scroll(float scroll) { page_scroll = scroll; }
         float get_page_scroll() const { return page_scroll; }
+        bool is_last_item_fully_visible() const { return last_item_fully_visible; }
 
         sf::Font *font;
         sf::Font *bold_font;
@@ -168,5 +169,6 @@ namespace QuickMedia {
         sf::Sprite image;
         std::future<void> load_thumbnail_future;
         int num_visible_items;
+        bool last_item_fully_visible;
     };
 }
\ No newline at end of file
diff --git a/src/Body.cpp b/src/Body.cpp
index c52f8ad..7af2b49 100644
--- a/src/Body.cpp
+++ b/src/Body.cpp
@@ -75,7 +75,8 @@ namespace QuickMedia {
         prev_selected_item(0),
         page_scroll(0.0f),
         item_background(sf::Vector2f(1.0f, 1.0f), 10.0f, 10),
-        num_visible_items(0)
+        num_visible_items(0),
+        last_item_fully_visible(true)
     {
         progress_text.setFillColor(sf::Color::White);
         replies_text.setFillColor(sf::Color(129, 162, 190));
@@ -394,6 +395,7 @@ namespace QuickMedia {
         image_fallback.setSize(thumbnail_fallback_size);
         item_background_shadow.setFillColor(line_seperator_color);
         num_visible_items = 0;
+        last_item_fully_visible = true;
 
         if(loading_thumbnail && load_thumbnail_future.valid() && load_thumbnail_future.wait_for(std::chrono::seconds(0)) == std::future_status::ready) {
             load_thumbnail_future.get();
@@ -517,10 +519,14 @@ namespace QuickMedia {
             if(!item->visible)
                 continue;
 
+            float item_height = get_item_height(item.get());
+
+            if(after_pos.y + item_height > start_y + size.y)
+                last_item_fully_visible = false;
+
             if(after_pos.y >= start_y + size.y)
                 break;
 
-            float item_height = get_item_height(item.get());
             draw_item(window, item.get(), after_pos, size, item_height, i, content_progress);
             after_pos.y += item_height + spacing_y;
             ++num_visible_items;
diff --git a/src/QuickMedia.cpp b/src/QuickMedia.cpp
index 994d14c..a0d8508 100644
--- a/src/QuickMedia.cpp
+++ b/src/QuickMedia.cpp
@@ -3410,6 +3410,9 @@ namespace QuickMedia {
         sf::Vertex gradient_points[4];
         double gradient_inc = 0;
 
+        sf::RectangleShape more_messages_below_rect;
+        more_messages_below_rect.setFillColor(sf::Color(128, 50, 50));
+
         sf::Clock start_typing_timer;
         const double typing_timeout_seconds = 3.0;
         bool typing = false;
@@ -3558,6 +3561,7 @@ namespace QuickMedia {
                         if(matrix->post_file(current_room_id, selected_files[0]) != PluginResult::OK)
                             show_notification("QuickMedia", "Failed to upload image to room", Urgency::CRITICAL);
                     }
+                    redraw = true;
                     break;
                 }
                 case Page::CHAT_LOGIN: {
@@ -3622,6 +3626,9 @@ namespace QuickMedia {
                 body_pos = sf::Vector2f(body_padding_horizontal, body_padding_vertical + tab_shade_height);
                 body_size = sf::Vector2f(body_width, window_size.y - input_bottom - body_padding_vertical - tab_shade_height);
                 //get_body_dimensions(window_size, &chat_input, body_pos, body_size, true);
+
+                more_messages_below_rect.setSize(sf::Vector2f(window_size.x, gradient_height));
+                more_messages_below_rect.setPosition(0.0f, std::floor(window_size.y - chat_input.getBottomWithoutShadow() - gradient_height));
             }
 
             if(!sync_running && sync_timer.getElapsedTime().asMilliseconds() >= sync_min_time_ms) {
@@ -3728,6 +3735,10 @@ namespace QuickMedia {
                 window.draw(gradient_points, 4, sf::Quads); // Note: sf::Quads doesn't work with egl
             }
 
+            if(tabs[selected_tab].type == ChatTabType::MESSAGES && !tabs[selected_tab].body->is_last_item_fully_visible()) {
+                window.draw(more_messages_below_rect);
+            }
+
             window.display();
         }
 
-- 
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