From e691e12646a56bfe88b6537826246f35e228da28 Mon Sep 17 00:00:00 2001
From: Christian Colglazier <christian@cacolglazier.com>
Date: Mon, 14 Sep 2020 18:04:54 -0400
Subject: [PATCH] Titles adjust to droplet size

---
 src/droplets/droplet.cpp       | 21 +++++++++++++--------
 src/droplets/droplet.h         |  4 ++++
 src/droplets/noise_droplet.cpp |  7 ++++++-
 src/main.cpp                   |  2 +-
 4 files changed, 24 insertions(+), 10 deletions(-)

diff --git a/src/droplets/droplet.cpp b/src/droplets/droplet.cpp
index dbfc6e0..6908a69 100644
--- a/src/droplets/droplet.cpp
+++ b/src/droplets/droplet.cpp
@@ -1,12 +1,17 @@
 #include "droplet.h"
 
 void Droplet::DrawName(DaisyPatch* patch, std::string name) {
-  int min = 0;
-  int max = SSD1309_WIDTH;
-  if (state == DropletState::kLeft) {
-    max = SSD1309_WIDTH / 2;
-  } else if (state == DropletState::kRight) {
-    min = SSD1309_WIDTH / 2;
-  }
-  WriteCenteredString(*patch, (min + max) / 2, 0, Font_6x8, name);
+  WriteCenteredString(*patch, (screen_min + screen_max) / 2, 0,
+		      Font_6x8, name);
+}
+
+void Droplet::UpdateState(DropletState m_state) {
+  state = m_state;
+  screen_min = 0;
+  screen_max = SSD1309_WIDTH;
+  if (state == DropletState::kLeft) {
+    screen_max = SSD1309_WIDTH / 2;
+  } else if (state == DropletState::kRight) {
+    screen_min = SSD1309_WIDTH / 2;
+  }
 }
diff --git a/src/droplets/droplet.h b/src/droplets/droplet.h
index dc6d0ba..e8536ad 100644
--- a/src/droplets/droplet.h
+++ b/src/droplets/droplet.h
@@ -20,8 +20,12 @@ class Droplet {
   virtual void Control()=0;
   virtual void Process(float**, float**, size_t)=0;
   virtual void Draw()=0;
+  const int kTitleHeight = 8;
+  int screen_min;
+  int screen_max;
   void DrawName(daisy::DaisyPatch*,
 		std::string);
+  void UpdateState(DropletState);
 };
 
 #endif // CASCADE_DROPLETS_DROPLET_H_
diff --git a/src/droplets/noise_droplet.cpp b/src/droplets/noise_droplet.cpp
index 1d8902b..0cc86f2 100644
--- a/src/droplets/noise_droplet.cpp
+++ b/src/droplets/noise_droplet.cpp
@@ -6,7 +6,7 @@ NoiseDroplet::NoiseDroplet(DaisyPatch* m_patch,
   noise.Init();
   filter.Init();
   patch = m_patch;
-  state = m_state;
+  UpdateState(m_state);
 }
 
 void NoiseDroplet::Control() {}
@@ -28,5 +28,10 @@ void NoiseDroplet::Process(float** in, float** out, size_t size) {
 }
 
 void NoiseDroplet::Draw() {
+  for (int h = 0; h < kTitleHeight; h++) {
+    for (int w = screen_min; w < screen_max; w++) {
+      patch->display.DrawPixel(w, h, rand() % 15 == 0);
+    }
+  }
   DrawName(patch, "Noise");
 }
diff --git a/src/main.cpp b/src/main.cpp
index 8ade0d0..9bb1376 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -56,8 +56,8 @@ void ProcessOled() {
   if (menu.InMenu()) {
     menu.ProcessMenuOled();
   } else {
-    droplet->Draw();
     WriteString(patch, 0, 0, Font_6x8, menu.SelectedName());
+    droplet->Draw();
   }
   patch.display.Update();
 }