aula-1: First version

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

Author: patrickelectric

README.md

@@ -0,0 +1,7 @@
+# Aulas KDE-Brasil
+
+Repositório para aulas apresentadas no [canal do youtube KDE-Brasil](https://www.youtube.com/playlist?list=PL6oOWzm2QNuwGM1gUZkVm79jfvW9QaOpd).
+
+---
+
+#### [Aula 1 - Iniciando um projeto QML/C++ com CMake](https://youtu.be/ibyXGgSBes0?list=PL6oOWzm2QNuwGM1gUZkVm79jfvW9QaOpd)

aula-1/CMakeLists.txt

@@ -0,0 +1,14 @@
+project(aula-1)
+
+cmake_minimum_required(VERSION 2.8)
+
+# Find the QtWidgets library
+find_package(Qt5 REQUIRED
+    Core
+    Qml
+    Quick
+    QuickControls2
+    Widgets
+)
+
+add_subdirectory(src)

aula-1/qml/main.qml

@@ -0,0 +1,49 @@
+import QtQuick 2.12
+import QtQuick.Controls 2.12
+import QtQuick.Controls.Material 2.12
+import QtQuick.Layouts 1.12
+import QtMultimedia 5.8
+
+ApplicationWindow {
+    id: window
+    title: "aula-1"
+    visible: true
+    height: 400
+    width: 600
+
+    Material.theme: Material.Dark
+    Material.accent: Material.Purple
+
+    Video {
+        id: video
+        anchors.fill: parent
+        volume: 0
+        playbackRate: 10
+        source: "rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mov"
+    }
+
+    Timer {
+        running: true
+        repeat: true
+        onTriggered: print(video.position*100/video.duration, "%")
+    }
+
+    RowLayout {
+        anchors.bottom: parent.bottom
+        anchors.horizontalCenter: parent.horizontalCenter
+        Button {
+            text: video.playbackState == MediaPlayer.PlayingState ? "Stop" : "Play"
+            opacity: 0.5
+            onClicked: {
+                if(video.playbackState == MediaPlayer.PlayingState) {
+                    video.stop()
+                } else {
+                    video.play()
+                }
+            }
+        }
+        ProgressBar {
+            value: video.position/video.duration
+        }
+    }
+}

aula-1/resources.qrc

@@ -0,0 +1,5 @@
+<RCC>
+    <qresource>
+        <file alias="main.qml">qml/main.qml</file>
+    </qresource>
+</RCC>

aula-1/src/CMakeLists.txt

@@ -0,0 +1,17 @@
+# Populate a CMake variable with the sources
+set(SRCS
+    main.cpp
+)
+
+qt5_add_resources(RESOURCES ../resources.qrc)
+
+# Tell CMake to create the aula-1 executable
+add_executable(aula-1 ${SRCS} ${RESOURCES})
+# Use the Widgets module from Qt 5
+target_link_libraries(aula-1
+    Qt5::Core
+    Qt5::Qml
+    Qt5::QuickControls2
+    Qt5::Quick
+    Qt5::Widgets
+)

aula-1/src/main.cpp

@@ -0,0 +1,13 @@
+#include <QApplication>
+#include <QQmlApplicationEngine>
+#include <QQuickStyle>
+
+int main(int argc, char *argv[]) {
+    QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+    QQuickStyle::setStyle("Material");
+
+    QGuiApplication app(argc, argv);
+    QQmlApplicationEngine appEngine("qrc:/main.qml");
+
+    return app.exec();
+}