feat: add gallery app for viewing/testing

gallery/.gitignore

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+# This file is used to ignore files which are generated
+# ----------------------------------------------------------------------------
+
+*~
+*.autosave
+*.a
+*.core
+*.moc
+*.o
+*.obj
+*.orig
+*.rej
+*.so
+*.so.*
+*_pch.h.cpp
+*_resource.rc
+*.qm
+.#*
+*.*#
+core
+!core/
+tags
+.DS_Store
+.directory
+*.debug
+*.prl
+*.app
+moc_*.cpp
+ui_*.h
+qrc_*.cpp
+Thumbs.db
+*.res
+*.rc
+/.qmake.cache
+/.qmake.stash
+
+# qtcreator generated files
+*.pro.user*
+*.qbs.user*
+CMakeLists.txt.user*
+
+# xemacs temporary files
+*.flc
+
+# Vim temporary files
+.*.swp
+
+# Visual Studio generated files
+*.ib_pdb_index
+*.idb
+*.ilk
+*.pdb
+*.sln
+*.suo
+*.vcproj
+*vcproj.*.*.user
+*.ncb
+*.sdf
+*.opensdf
+*.vcxproj
+*vcxproj.*
+
+# MinGW generated files
+*.Debug
+*.Release
+
+# Python byte code
+*.pyc
+
+# Binaries
+# --------
+*.dll
+*.exe
+
+# Directories with generated files
+.moc/
+.obj/
+.pch/
+.rcc/
+.uic/
+build*/
+
+.cache/
+.qmlls.ini

gallery/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.21.1)
+
+project(gallery VERSION 1.0.0 LANGUAGES CXX)
+
+# generate compile_commands.json
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+add_subdirectory(../ ${CMAKE_BINARY_DIR}/designsystem)
+
+find_package(Qt6 6.8 REQUIRED COMPONENTS 
+    Quick
+    Core
+    QuickControls2
+)
+
+qt_standard_project_setup(REQUIRES 6.8)
+
+set(SOURCES main.cpp)
+qt_add_executable(Gallery MACOSX_BUNDLE ${SOURCES})
+
+qt_add_qml_module(Gallery
+    URI Gallery
+    VERSION 1.0
+    RESOURCE_PREFIX /live.flowy/imports
+    QML_FILES
+        Main.qml
+    RESOURCES
+)
+
+# including every subdirectory because : https://bugreports.qt.io/browse/QTBUG-101146
+target_include_directories(Gallery PRIVATE src)
+
+target_link_libraries(Gallery
+    PRIVATE 
+      Qt6::Quick 
+      Qt6::Core
+      designsystemplugin
+)
+
+include(GNUInstallDirs)
+install(TARGETS Gallery
+    BUNDLE DESTINATION .
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+)

gallery/Main.qml

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+import QtQuick
+import Qt.labs.platform
+import Gallery
+import DesignSystem
+import QtQuick.Layouts
+import QtQuick.Controls.Basic
+
+ApplicationWindow {
+    id: window
+    width: 640
+    height: 480
+    visible: true
+    title: qsTr("flowy - gallery")
+
+    palette {
+        accent: Theme.accent
+        dark: Theme.foreground
+        window: Theme.background
+        windowText: Theme.foreground
+        base: Theme.muted
+        brightText: Theme.muted
+        text: Theme.foreground
+        button: Theme.accent
+        buttonText: "#FFFFFF"
+    }
+
+    ColumnLayout {
+      anchors.left: parent.left
+      anchors.right: parent.right
+      anchors.top: parent.top
+      anchors.margins: 10
+
+      AppPrimaryButton {
+        text: "Toggle theme"
+        onClicked: {
+          Theme.toggleTheme()
+        }
+      }
+
+      AppCard {
+        Column {
+          spacing: 10
+          AppText {
+            text: "This is a card"
+          }
+          AppCaption {
+            text: "Caption"
+          }
+          AppHeadline {
+            text: "Headline"
+          }
+          AppSubHeadline {
+            text: "SubHeadline"
+          }
+          AppLabel {
+            text: "Label"
+          }
+        }
+      }
+    }
+}

gallery/main.cpp

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+#include <QGuiApplication>
+#include <QLoggingCategory>
+#include <QQmlApplicationEngine>
+
+#include <QtQml/QQmlExtensionPlugin>
+Q_IMPORT_QML_PLUGIN(DesignSystemPlugin)
+
+int main(int argc, char *argv[])
+{
+  QGuiApplication app(argc, argv);
+
+  QQmlApplicationEngine engine;
+  QObject::connect(
+      &engine, &QQmlApplicationEngine::objectCreationFailed, &app, []() { QCoreApplication::exit(-1); },
+      Qt::QueuedConnection);
+
+  // https://doc.qt.io/qt-6/qtqml-writing-a-module.html#eliminating-run-time-file-system-access
+  engine.addImportPath(":/live.flowy/imports");
+
+  engine.loadFromModule("Gallery", "Main");
+
+  return app.exec();
+}

gallery/run-debug.sh

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+#!/bin/bash -e
+
+BUILD_DIR=build
+
+#NOTE: the PROJECT_VERSION is a dummy placeholder just for local builds
+if [ ! -d "$BUILD_DIR" ]; then
+  cmake -B$BUILD_DIR -S. -GNinja \
+    -DCMAKE_BUILD_TYPE=Debug \
+    -DCMAKE_CXX_FLAGS="-Wall -Wextra" \
+    -DCMAKE_PREFIX_PATH="$HOME/Qt/6.8.3/macos" \
+    -DCMAKE_COLOR_DIAGNOSTICS=ON \
+    -DCMAKE_CXX_FLAGS_INIT="-DQT_QML_DEBUG" \
+    -DCMAKE_OSX_ARCHITECTURES="arm64"
+fi
+
+cmake --build $BUILD_DIR --target all
+
+$BUILD_DIR/Gallery.app/Contents/MacOS/Gallery