From ee324cd887455f3ea456572ef6d8b627f6dd0bb3 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Sat, 1 Apr 2017 13:56:45 +0200
Subject: Add chunksize and underrun counter to the UI.

---
 plugingui/dgwindow.cc | 42 ++++++++++++++++++++++++++++++++++++++++--
 plugingui/dgwindow.h  |  5 +++++
 2 files changed, 45 insertions(+), 2 deletions(-)

diff --git a/plugingui/dgwindow.cc b/plugingui/dgwindow.cc
index dc1f7f6..44f52e7 100644
--- a/plugingui/dgwindow.cc
+++ b/plugingui/dgwindow.cc
@@ -141,11 +141,17 @@ public:
 
 		limit.resize(80, 80);
 		float free_mem = calcFreeMemory() / (1024.0 * 1024.0);
-		limitKnob.setRange(std::min(500.0, free_mem / 2.0), free_mem);
+		limitKnob.setRange(std::min(256.0, free_mem / 2.0), free_mem);
 		limitKnob.resize(60, 60);
 		limit.setControl(&limitKnob);
 		layout.addItem(&limit);
 
+		chunk.resize(80, 80);
+		chunkKnob.setRange(64.0, 4096.0);
+		chunkKnob.resize(60, 60);
+		chunk.setControl(&chunkKnob);
+		layout.addItem(&chunk);
+
 		reload_button.setText("Reload");
 		reload_button.resize(100, 50);
 		layout.addItem(&reload_button);
@@ -155,9 +161,11 @@ public:
 
 	LabeledControl streamer{this, "Streaming"};
 	LabeledControl limit{this, "MB Limit"};
+	LabeledControl chunk{this, "kB Chunk"};
 
 	CheckBox streamerCheck{&streamer};
 	Knob limitKnob{&limit};
+	Knob chunkKnob{&chunk};
 	Button reload_button{this};
 };
 
@@ -254,7 +262,7 @@ DGWindow::DGWindow(void* native_window, Config& config, Settings& settings,
 	layout.addItem(l3);
 
 	disk_streaming_controls = new DiskStreamingControls(this);
-	disk_streaming_controls->resize(80 * 3, 80);
+	disk_streaming_controls->resize(80 * 4, 80);
 	layout.addItem(disk_streaming_controls);
 	CONNECT(&disk_streaming_controls->streamerCheck, stateChangedNotifier,
 	        this, &DGWindow::streamerCheckClick);
@@ -262,6 +270,9 @@ DGWindow::DGWindow(void* native_window, Config& config, Settings& settings,
 	CONNECT(&disk_streaming_controls->limitKnob, valueChangedNotifier,
 	        this, &DGWindow::limitValueChanged);
 
+	CONNECT(&disk_streaming_controls->chunkKnob, valueChangedNotifier,
+	        this, &DGWindow::chunkValueChanged);
+
 	CONNECT(&disk_streaming_controls->reload_button, clickNotifier,
 	        this, &DGWindow::reloadClicked);
 
@@ -275,6 +286,11 @@ DGWindow::DGWindow(void* native_window, Config& config, Settings& settings,
 	lbl_version->setAlignment(TextAlignment::center);
 	layout.addItem(lbl_version);
 
+	lbl_underruns.setText("Underruns: 0");
+	lbl_underruns.resize(width, 20);
+	lbl_underruns.setAlignment(TextAlignment::center);
+	layout.addItem(&lbl_underruns);
+
 	// Create file browser
 	fileBrowser = new FileBrowser(this);
 	fileBrowser->move(0, 0);
@@ -309,6 +325,10 @@ DGWindow::DGWindow(void* native_window, Config& config, Settings& settings,
 	        &disk_streaming_controls->streamerCheck, &CheckBox::setChecked);
 	CONNECT(this, settings_notifier.disk_cache_upper_limit,
 	        this, &DGWindow::limitSettingsValueChanged);
+	CONNECT(this, settings_notifier.disk_cache_chunk_size,
+	        this, &DGWindow::chunkSettingsValueChanged);
+	CONNECT(this, settings_notifier.number_of_underruns,
+	        this, &DGWindow::underrunsChanged);
 }
 
 DGWindow::~DGWindow()
@@ -386,11 +406,29 @@ void DGWindow::limitValueChanged(float value)
 	settings.disk_cache_upper_limit.store(value * 1024 * 1024);
 }
 
+void DGWindow::chunkValueChanged(float value)
+{
+	// value is in MB
+	settings.disk_cache_chunk_size.store(value * 1024);
+}
+
 void DGWindow::limitSettingsValueChanged(float value)
 {
 	disk_streaming_controls->limitKnob.setValue(value / (1024 * 1024));
 }
 
+void DGWindow::chunkSettingsValueChanged(float value)
+{
+	disk_streaming_controls->chunkKnob.setValue(value / 1024);
+}
+
+void DGWindow::underrunsChanged(int underruns)
+{
+	static char buf[256];
+	sprintf(buf, "Underuns: %d", underruns);
+	lbl_underruns.setText(buf);
+}
+
 void DGWindow::reloadClicked()
 {
 	settings.reload_counter++;
diff --git a/plugingui/dgwindow.h b/plugingui/dgwindow.h
index f6fdb46..d35caaa 100644
--- a/plugingui/dgwindow.h
+++ b/plugingui/dgwindow.h
@@ -66,12 +66,15 @@ protected:
 private:
 	void streamerCheckClick(bool value);
 	void limitValueChanged(float value);
+	void chunkValueChanged(float value);
 	void limitSettingsValueChanged(float value);
+	void chunkSettingsValueChanged(float value);
 	void reloadClicked();
 
 	void attackValueChanged(float value);
 	void falloffValueChanged(float value);
 	void velocityCheckClick(bool checked);
+	void underrunsChanged(int underruns);
 	void kitBrowseClick();
 	void midimapBrowseClick();
 	void selectKitFile(const std::string& filename);
@@ -105,6 +108,8 @@ private:
 
 	Settings& settings;
 	SettingsNotifier& settings_notifier;
+
+	Label lbl_underruns{this};
 };
 
 } // GUI::
-- 
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