From b87b4c0b412b35a650659fb365b33b388f8ea9b0 Mon Sep 17 00:00:00 2001
From: Akash Mozumdar <akashmozumdar@gmail.com>
Date: Sun, 30 Dec 2018 22:10:56 -0500
Subject: [PATCH] initial implementation of new extra window feeatures

---
 extensions/extrawindow.cpp | 110 +++++++++++++++++++++++++++++--------
 1 file changed, 87 insertions(+), 23 deletions(-)

diff --git a/extensions/extrawindow.cpp b/extensions/extrawindow.cpp
index 3090884..e03f48e 100644
--- a/extensions/extrawindow.cpp
+++ b/extensions/extrawindow.cpp
@@ -1,33 +1,96 @@
 #include "extension.h"
+#include "defs.h"
 #include "text.h"
-#include <QMainWindow>
+#include <QDialog>
+#include <QInputDialog>
+#include <QColorDialog>
+#include <QMenu>
 #include <QLayout>
 #include <QLabel>
-#include <QCheckBox>
+#include <QPainter>
+#include <QMouseEvent>
+#include <QSettings>
 #include <QTimer>
 
 std::mutex m;
 
-struct : QMainWindow 
+struct : QDialog
 {
-	QLabel* display;
 	void launch()
 	{
-		auto centralWidget = new QWidget(this);
-		auto layout = new QVBoxLayout(centralWidget);
-		auto options = new QHBoxLayout(centralWidget);
-		layout->addItem(options);
-		layout->addWidget(display = new QLabel(centralWidget));
-		auto onTop = new QCheckBox(ALWAYS_ON_TOP, this);
-		options->addWidget(onTop);
-		connect(onTop, &QCheckBox::stateChanged, [this](int state) 
-		{ 
-			SetWindowPos((HWND)winId(), state == Qt::Checked ? HWND_TOPMOST : HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE); 
-		});
-		resize(800, 600);
-		setCentralWidget(centralWidget);
+		settings->beginGroup("Extra Window");
+		(new QHBoxLayout(this))->addWidget(display = new QLabel("Right click to change settings", this));
+		setWindowFlags(Qt::FramelessWindowHint);
+		setAttribute(Qt::WA_TranslucentBackground);
+		setSizeGripEnabled(true);
 		show();
+
+		auto setBackgroundColor = [=](QColor color)
+		{
+			if (!color.isValid()) return;
+			if (color.alpha() == 0) color.setAlpha(1);
+			bgColor = color;
+			repaint();
+			settings->setValue("BG Color", color);
+		};
+		auto setTextColor = [=](QColor color)
+		{
+			if (!color.isValid()) return;
+			auto newPalette = display->palette();
+			newPalette.setColor(QPalette::WindowText, color);
+			display->setPalette(newPalette);
+			settings->setValue("Text Color", color);
+		};
+		auto setFontSize = [=](int pt)
+		{
+			QFont newFont = display->font();
+			newFont.setPointSize(pt);
+			display->setFont(newFont);
+			settings->setValue("Font Size", pt);
+		};
+		auto setTopmost = [=](bool topmost)
+		{
+			SetWindowPos((HWND)winId(), topmost ? HWND_TOPMOST : HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
+			settings->setValue("Topmost", topmost);
+		};
+		setGeometry(settings->value("Window", geometry()).toRect());
+		setTopmost(settings->value("Topmost", false).toBool());
+		setFontSize(settings->value("Font Size", 16).toInt());
+		setBackgroundColor(settings->value("BG Color", palette().window().color()).value<QColor>());
+		setTextColor(settings->value("Text Color", display->palette().windowText().color()).value<QColor>());
+
+		auto menu = new QMenu(this);
+		menu->addAction("Topmost", setTopmost)->setCheckable(true);
+		menu->addAction("BG Color", [=] { setBackgroundColor(QColorDialog::getColor(palette().window().color(), this, "BG Color", QColorDialog::ShowAlphaChannel)); });
+		menu->addAction("Text Color", [=] { setTextColor(QColorDialog::getColor(display->palette().windowText().color(), this, "Text Color")); });
+		menu->addAction("Font Size", [=] { setFontSize(QInputDialog::getInt(this, "Font Size", "", display->font().pointSize(), 0, INT_MAX, 1, nullptr, Qt::WindowCloseButtonHint)); });
+		setContextMenuPolicy(Qt::CustomContextMenu);
+		connect(this, &QDialog::customContextMenuRequested, menu, [=](QPoint point) { menu->exec(mapToGlobal(point)); });
+		connect(this, &QDialog::destroyed, [=] { settings->setValue("Window", geometry()); });
 	}
+
+	void paintEvent(QPaintEvent*) override
+	{
+		QPainter(this).fillRect(rect(), bgColor);
+	}
+
+	void mousePressEvent(QMouseEvent* evt)
+	{
+		oldPos = evt->globalPos();
+	}
+
+	void mouseMoveEvent(QMouseEvent* evt)
+	{
+		const QPoint delta = evt->globalPos() - oldPos;
+		move(x() + delta.x(), y() + delta.y());
+		oldPos = evt->globalPos();
+	}
+
+	QColor bgColor = QPalette().window().color();
+	QPoint oldPos;
+
+	QSettings* settings = new QSettings(CONFIG_FILE, QSettings::IniFormat, this);
+	QLabel* display;
 }*window = nullptr;
 
 BOOL WINAPI DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
@@ -36,18 +99,19 @@ BOOL WINAPI DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved
 	{
 	case DLL_PROCESS_ATTACH:
 	{
-		QTimer::singleShot(0, [] 
-		{ 
-			std::lock_guard l(m); 
-			(window = new std::remove_pointer_t<decltype(window)>)->launch(); 
+		QTimer::singleShot(0, []
+		{
+			std::lock_guard l(m);
+			(window = new std::remove_pointer_t<decltype(window)>)->launch();
 		});
 	}
 	break;
 	case DLL_PROCESS_DETACH:
 	{
+		std::lock_guard l(m);
+		if (window != nullptr) window->settings->setValue("Window", window->geometry());
 		if (lpReserved == NULL) // https://blogs.msdn.microsoft.com/oldnewthing/20120105-00/?p=8683
 		{
-			std::lock_guard l(m);
 			delete window;
 			window = nullptr;
 		}
@@ -61,6 +125,6 @@ bool ProcessSentence(std::wstring& sentence, SentenceInfo sentenceInfo)
 {
 	std::lock_guard l(m);
 	if (window == nullptr || !sentenceInfo["current select"]) return false;
-	window->display->setText(QString::fromStdWString(sentence));
+	QMetaObject::invokeMethod(window, [=] { window->display->setText(QString::fromStdWString(sentence)); });
 	return false;
 }