1 files changed, 54 insertions, 5 deletions

diff --git a/source/sharp.cpp b/source/sharp.cpp
index 8fa22f9..ab0788b 100644
--- a/source/sharp.cpp
+++ b/source/sharp.cpp
@@ -1,9 +1,26 @@
+/**
+ * @file sharp.cpp
+ * @brief Handles all drawing to the display.
+ *
+ * Copyright (C) 2019 Clyne Sullivan
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #include "sharp.hpp"
 #include "rtc.hpp"
 
-constexpr unsigned int SHARP_WIDTH = 144;
-constexpr unsigned int SHARP_HEIGHT = 168;
-
 constexpr unsigned int SHARP_SCK = 12;
 constexpr unsigned int SHARP_MOSI = 13;
 constexpr unsigned int SHARP_SS = 14;
@@ -13,6 +30,8 @@ Adafruit_SharpMem Sharp::display(SHARP_SCK, SHARP_MOSI, SHARP_SS, SHARP_WIDTH,
 TaskHandle_t Sharp::taskHandle;
 std::vector<Widget *> Sharp::widgets;
 
+int Sharp::topY = 0;
+
 void Sharp::begin(void)
 {
 	widgets.reserve(10);
@@ -25,10 +44,40 @@ void Sharp::begin(void)
 		&taskHandle);
 }
 
+void Sharp::sendInput(int ypos)
+{
+	if (ypos < 0 || ypos > SHARP_HEIGHT)
+		return;
+
+	int y = topY;
+	for (unsigned int i = 0; i < widgets.size(); i++) {
+		y += widgets[i]->getHeight();
+		if (ypos < y) {
+			if (widgets[i]->onPress()) {
+				delete widgets[i];
+				widgets.erase(widgets.begin() + i);
+				display.clearDisplay();
+			}
+			break;
+		}
+
+		y += 3;
+		if (y >= SHARP_HEIGHT)
+			break;
+	}
+}
+
 void Sharp::updateTask([[maybe_unused]] void *arg)
 {
+	static int oldTopY = 0;
+
 	while (1) {
-		unsigned int y = 0;
+		if (oldTopY != topY) {
+			oldTopY = topY;
+			display.clearDisplay();
+		}
+
+		auto y = topY;
 		for (auto& w : widgets) {
 			w->render(display, y);
 			y += w->getHeight();
@@ -39,7 +88,7 @@ void Sharp::updateTask([[maybe_unused]] void *arg)
 		}
 
 		display.refresh();
-		delay(300);
+		delay(150);
 	}
 }