Add cursor

ArthurSonzogni · Nov 28, 2021 · d013831 · d013831
1 parent 7189ee8
commit d013831
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Showing 5 changed files with 24 additions and 3 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -7,7 +7,7 @@ set(FETCHCONTENT_UPDATES_DISCONNECTED TRUE)
 
 FetchContent_Declare(ftxui
   GIT_REPOSITORY https://github.com/ArthurSonzogni/ftxui
-  GIT_TAG 18d1b04b7adb1c85515b7663a81d3ca18f255d23
+  GIT_TAG cecd54df42dd66fdf8386ed461e16b725bffc827
 )
 
 FetchContent_Declare(fmt

diff --git a/README.md b/README.md
@@ -3,7 +3,7 @@ rgb-tui
 
 A color picker with a terminal UI. Built with [FTXUI](https://github.com/ArthurSonzogni/FTXUI)
 
-![demo](./demo.gif)
+![demo](./demo.webp)
 
 See [youtube](https://www.youtube.com/watch?v=ERtUrToBWEM)
 

diff --git a/demo.gif b/demo.gif
diff --git a/demo.webp b/demo.webp
diff --git a/src/main.cpp b/src/main.cpp
@@ -118,13 +118,34 @@ class MainComponent : public ComponentBase {
     int hue = h_;
     Elements array;
     int x_length = std::max(10, box_color_.x_max - box_color_.x_min) + 1;
-    int y_length = 11;
+    int y_length = 15;
+
+    int h, s, v;
+    ToHSV(r_, g_, b_, h, s, v);
+    int target_x = std::max(0, std::min(x_length - 1, (v * x_length) / 255));
+    int target_y =
+        std::max(0, std::min(2 * y_length - 1, (s * 2 * y_length) / 255));
+
     for (int y = 0; y < y_length; ++y) {
       Elements line;
       for (int x = 0; x < x_length; ++x) {
         int saturation_1 = 255 * (y + 0.0f) / float(y_length);
         int saturation_2 = 255 * (y + 0.5f) / float(y_length);
         int value = 255 * x / float(x_length);
+        if (x == target_x) {
+          if (2 * y == target_y) {
+            line.push_back(text(L"▀")                                     //
+                           | color(Color::HSV(hue, saturation_1, value))  //
+                           | bgcolor(Color::Black));                      //
+            continue;
+          }
+          if (2 * y == target_y + 1) {
+            line.push_back(text(L"▀")                                     //
+                           | color(Color::Black)//
+                           | bgcolor(Color::HSV(hue, saturation_2, value)));
+            continue;
+          }
+        }
         line.push_back(text(L"▀")                                     //
                        | color(Color::HSV(hue, saturation_1, value))  //
                        | bgcolor(Color::HSV(hue, saturation_2, value)));