Set up stacked widget.

src/client/CMakeLists.txt

@@ -1,10 +1,26 @@
-list(APPEND client_LIB_INCLUDES GuiApplication.cpp TextEditorPanel.cpp)
+list(APPEND client_LIB_INCLUDES 
+    TopBar.cpp
+    StatusBar.cpp
+    GuiApplication.cpp 
+    TabbedPanelWidget.cpp
+    text_editor/TextEditorView.cpp
+    text_editor/TextEditorModel.cpp
+    text_editor/TextEditorController.cpp
+    text_editor/PlainTextDocument.cpp
+    audio_editor/AudioEditorView.cpp
+    image_editor/ImageEditorView.cpp
+    web_client/WebClientView.cpp)
 
 add_library(client SHARED ${client_LIB_INCLUDES})
 
 target_link_libraries(client ui_elements windows core console database geometry)
 
 target_include_directories(client PUBLIC
-                          "${PROJECT_SOURCE_DIR}/src/console"
-                          "${PROJECT_SOURCE_DIR}/src/ui_elements/widgets"
+                            "${CMAKE_CURRENT_SOURCE_DIR}"
+                            "${CMAKE_CURRENT_SOURCE_DIR}/text_editor"
+                            "${CMAKE_CURRENT_SOURCE_DIR}/audio_editor"
+                            "${CMAKE_CURRENT_SOURCE_DIR}/image_editor"
+                            "${CMAKE_CURRENT_SOURCE_DIR}/web_client"
+                            "${PROJECT_SOURCE_DIR}/src/console"
+                            "${PROJECT_SOURCE_DIR}/src/ui_elements/widgets"
                           )

src/client/GuiApplication.cpp

@@ -1,18 +1,20 @@
 #include "GuiApplication.h"
 
 #include "Widget.h"
-#include "HorizontalSpacer.h"
-#include "VerticalSpacer.h"
-#include "TextBox.h"
-#include "Button.h"
-#include "Label.h"
 #include "XcbInterface.h"
 #include "XcbKeyboard.h"
 #include "Window.h"
 #include "TextElement.h"
 #include "WindowManager.h"
-#include "TextEditorPanel.h"
 #include <iostream>
+#include "TextEditorView.h"
+#include "AudioEditorView.h"
+#include "ImageEditorView.h"
+#include "WebClientView.h"
+#include "TabbedPanelWidget.h"
+#include "TopBar.h"
+#include "StatusBar.h"
+#include "HorizontalSpacer.h"
 
 GuiApplication::GuiApplication()
     : AbstractDesktopApp(),
@@ -37,43 +39,34 @@ void GuiApplication::SetUpWidget()
     auto mainWindow = mDesktopManager->GetWindowManager()->GetMainWindow();
     mainWindow->SetSize(800, 600);
 
-    // Left panel
-    auto textEditorButton = Button::Create();
-    textEditorButton->SetLabel("Text Editor");
-    textEditorButton->SetBackgroundColor(Color::Create(156, 156, 156));
+    auto tabbedPanel = TabbedPanelWidget::Create();
 
-    auto imageEditorButton = Button::Create();
-    imageEditorButton->SetLabel("Image Editor");
-    imageEditorButton->SetBackgroundColor(Color::Create(156, 156, 156));
-
-    auto audioEditorButton = Button::Create();
-    audioEditorButton->SetLabel("Audio Editor");
-    audioEditorButton->SetBackgroundColor(Color::Create(156, 156, 156));
-
-    auto webClientButton = Button::Create();
-    webClientButton->SetLabel("Web Client");
-    webClientButton->SetBackgroundColor(Color::Create(156, 156, 156));
-
-    auto leftSpacer = HorizontalSpacer::Create();
-    leftSpacer->AddWidget(std::move(textEditorButton));
-    leftSpacer->AddWidget(std::move(imageEditorButton));
-    leftSpacer->AddWidget(std::move(audioEditorButton));
-    leftSpacer->AddWidget(std::move(webClientButton));
-    leftSpacer->SetMaxHeight(200);
-
-    // Right panel
-    auto textEditor = TextEditorPanel::Create();
-    textEditor->SetOnSaveFunction([](const std::string& content)
-            {
-                std::cout << content << std::endl;
-            });
+    auto textEditor = TextEditorView::Create();
+    auto path = mMainApplication->GetCommandLineArgs()->GetLaunchPath();
+    path /= "out.txt";
+    textEditor->GetController()->SetSavePath(path);
+    textEditor->GetController()->SetLoadPath(path);
     textEditor->Initialize();
+    tabbedPanel->AddPanel(std::move(textEditor), "Text Editor");
 
-    auto vertSpacer = VerticalSpacer::Create();
-    vertSpacer->AddWidgetWithScale(std::move(leftSpacer), 1);
-    vertSpacer->AddWidgetWithScale(std::move(textEditor), 4);
+    auto audioEditor = AudioEditorView::Create();
+    tabbedPanel->AddPanel(std::move(audioEditor), "Audio Editor");
 
-    mainWindow->AddWidget(std::move(vertSpacer));
+    auto imageEditor = ImageEditorView::Create();
+    tabbedPanel->AddPanel(std::move(imageEditor), "Image Editor");
+
+    auto webClient = WebClientView::Create();
+    tabbedPanel->AddPanel(std::move(webClient), "Web Client");
+
+    auto topBar = TopBar::Create();
+    auto statusBar = StatusBar::Create();
+
+    auto horizontalSpace = HorizontalSpacer::Create();
+    horizontalSpace->AddWidgetWithScale(std::move(topBar), 1);
+    horizontalSpace->AddWidgetWithScale(std::move(tabbedPanel), 20);
+    horizontalSpace->AddWidgetWithScale(std::move(statusBar), 1);
+
+    mainWindow->AddWidget(std::move(horizontalSpace));
 }
 
 void GuiApplication::Run()

src/client/StatusBar.cpp

@@ -0,0 +1,11 @@
+#include "StatusBar.h"
+
+StatusBar::StatusBar()
+{
+    SetBackgroundColor(Color::Create(200, 200, 200));
+}
+
+std::unique_ptr<StatusBar> StatusBar::Create()
+{
+    return std::make_unique<StatusBar>();
+}

src/client/StatusBar.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include "Widget.h"
+
+class StatusBar : public Widget
+{
+public:
+
+    StatusBar();
+
+    static std::unique_ptr<StatusBar> Create();
+};
+
+using StatusBarUPtr = std::unique_ptr<StatusBar>;

src/client/TabbedPanelWidget.cpp

@@ -0,0 +1,52 @@
+#include "TabbedPanelWidget.h"
+#include "StackWidget.h"
+#include "HorizontalSpacer.h"
+#include "VerticalSpacer.h"
+#include "Button.h"
+
+TabbedPanelWidget::TabbedPanelWidget()
+    : mNavPanel(),
+      mStack()
+{
+    auto stack = StackWidget::Create();
+    mStack = stack.get();
+
+    auto nav = HorizontalSpacer::Create();
+    mNavPanel = nav.get();
+    nav->SetSize({0, 0, 0, 0, 200, 0});
+
+    auto vertSpacer = VerticalSpacer::Create();
+    vertSpacer->AddWidgetWithScale(std::move(nav), 1);
+    vertSpacer->AddWidgetWithScale(std::move(stack), 4);
+    AddWidget(std::move(vertSpacer));
+}
+
+std::unique_ptr<TabbedPanelWidget> TabbedPanelWidget::Create()
+{
+    return std::make_unique<TabbedPanelWidget>();
+}
+
+StackWidget* TabbedPanelWidget::GetStack() const
+{
+    return mStack;
+}
+
+void TabbedPanelWidget::AddPanel(WidgetUPtr panel, const std::string& label)
+{
+    auto button = Button::Create();
+    button->SetLabel(label);
+    button->SetBackgroundColor(Color::Create(156, 156, 156));
+    button->SetMargin({1, 0, 0, 1});
+    auto rawPanel = panel.get();
+    auto onClick = [this, rawPanel](Widget*){
+        if(this && rawPanel)
+        {
+            this->GetStack()->ShowChild(rawPanel);
+        }
+    };
+    button->SetOnClickFunction(onClick);
+    mStack->AddWidget(std::move(panel));
+    mNavPanel->AddWidget(std::move(button));
+}
+
+

src/client/TabbedPanelWidget.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include "Widget.h"
+#include "StackWidget.h"
+
+class TabbedPanelWidget : public Widget
+{
+    Widget* mNavPanel;
+    StackWidget* mStack;
+
+public:
+
+    TabbedPanelWidget();
+
+    static std::unique_ptr<TabbedPanelWidget> Create();
+
+    void AddPanel(WidgetUPtr panel, const std::string& label);
+
+    StackWidget* GetStack() const;
+};
+
+using TabbedPanelWidgetUPtr = std::unique_ptr<TabbedPanelWidget>;

src/client/TextEditorPanel.cpp

@@ -1,59 +0,0 @@
-#include "TextEditorPanel.h"
-#include "HorizontalSpacer.h"
-#include "VerticalSpacer.h"
-
-TextEditorPanel::TextEditorPanel()
-    : mSaveFunction(),
-      mTextBox()
-{
-
-}
-
-void TextEditorPanel::Initialize()
-{
-    auto textEditorLabel = Label::Create();
-    textEditorLabel->SetLabel("Text Editor");
-    textEditorLabel->SetBackgroundColor(Color::Create(81, 89, 102));
-
-    auto textEditorBox = TextBox::Create();
-    mTextBox = textEditorBox.get();
-
-    auto textEditorSaveButton = Button::Create();
-    textEditorSaveButton->SetLabel("Save");
-    textEditorSaveButton->SetBackgroundColor(Color::Create(156, 156, 156));
-    if (mSaveFunction)
-    {
-        auto onSave = [this]()
-                {
-                    if(this && mSaveFunction && mTextBox)
-                    {
-                        mSaveFunction(mTextBox->GetContent());
-                    };
-                };
-        textEditorSaveButton->SetOnClickFunction(onSave);
-    }
-
-    auto textEditorClearButton = Button::Create();
-    textEditorClearButton->SetLabel("Clear");
-    textEditorClearButton->SetBackgroundColor(Color::Create(156, 156, 156));
-    auto buttonSpacer = VerticalSpacer::Create();
-    buttonSpacer->AddWidgetWithScale(std::move(textEditorSaveButton), 1);
-    buttonSpacer->AddWidgetWithScale(std::move(textEditorClearButton), 1);
-
-    auto hSpacer = HorizontalSpacer::Create();
-    hSpacer->AddWidgetWithScale(std::move(textEditorLabel), 1);
-    hSpacer->AddWidgetWithScale(std::move(textEditorBox), 8);
-    hSpacer->AddWidgetWithScale(std::move(buttonSpacer), 1);
-
-    AddWidget(std::move(hSpacer));
-}
-
-std::unique_ptr<TextEditorPanel> TextEditorPanel::Create()
-{
-    return std::make_unique<TextEditorPanel>();
-}
-
-void TextEditorPanel::SetOnSaveFunction(saveFunc func)
-{
-    mSaveFunction = func;
-}

src/client/TextEditorPanel.h

@@ -1,24 +0,0 @@
-#pragma once
-
-#include "Widget.h"
-#include "Button.h"
-#include "Label.h"
-#include "TextBox.h"
-
-class TextEditorPanel : public Widget
-{
-    using saveFunc = void (*)(const std::string& content);
-    saveFunc mSaveFunction;
-    TextBox* mTextBox;
-
-public:
-
-    TextEditorPanel();
-
-    static std::unique_ptr<TextEditorPanel> Create();
-
-    void Initialize();
-
-    void SetOnSaveFunction(saveFunc func);
-};
-using TextEditorPanelUPtr = std::unique_ptr<TextEditorPanel>;

src/client/TopBar.cpp

@@ -0,0 +1,11 @@
+#include "TopBar.h"
+
+TopBar::TopBar()
+{
+    SetBackgroundColor(Color::Create(50, 50, 50));
+}
+
+std::unique_ptr<TopBar> TopBar::Create()
+{
+    return std::make_unique<TopBar>();
+}

src/client/TopBar.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include "Widget.h"
+
+class TopBar : public Widget
+{
+public:
+
+    TopBar();
+
+    static std::unique_ptr<TopBar> Create();
+};
+
+using TopBarUPtr = std::unique_ptr<TopBar>;

src/client/audio_editor/AudioEditorView.cpp

@@ -0,0 +1,16 @@
+#include "AudioEditorView.h"
+#include "Label.h"
+
+AudioEditorView::AudioEditorView()
+{
+    auto label = Label::Create();
+    label->SetLabel("Audio Editor");
+    label->SetBackgroundColor(Color::Create(200, 189, 160));
+    label->SetMargin(1);
+    AddWidget(std::move(label));
+}
+
+std::unique_ptr<AudioEditorView> AudioEditorView::Create()
+{
+    return std::make_unique<AudioEditorView>();
+}

src/client/audio_editor/AudioEditorView.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include "Widget.h"
+
+class AudioEditorView : public Widget
+{
+public:
+
+    AudioEditorView();
+
+    static std::unique_ptr<AudioEditorView> Create();
+};
+
+using AudioEditorViewUPtr = std::unique_ptr<AudioEditorView>;

src/client/image_editor/ImageEditorView.cpp

@@ -0,0 +1,16 @@
+#include "ImageEditorView.h"
+#include "Label.h"
+
+ImageEditorView::ImageEditorView()
+{
+    auto label = Label::Create();
+    label->SetLabel("Image Editor");
+    label->SetBackgroundColor(Color::Create(200, 189, 160));
+    label->SetMargin(1);
+    AddWidget(std::move(label));
+}
+
+std::unique_ptr<ImageEditorView> ImageEditorView::Create()
+{
+    return std::make_unique<ImageEditorView>();
+}

src/client/image_editor/ImageEditorView.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include "Widget.h"
+
+class ImageEditorView : public Widget
+{
+public:
+
+    ImageEditorView();
+
+    static std::unique_ptr<ImageEditorView> Create();
+};
+
+using ImageEditorViewUPtr = std::unique_ptr<ImageEditorView>;

src/client/text_editor/PlainTextDocument.cpp

@@ -0,0 +1,27 @@
+#include "PlainTextDocument.h"
+
+PlainTextDocument::PlainTextDocument()
+    : mContent()
+{
+
+}
+
+std::unique_ptr<PlainTextDocument> PlainTextDocument::Create()
+{
+    return std::make_unique<PlainTextDocument>();
+}
+
+std::string PlainTextDocument::GetContent() const
+{
+    return mContent;
+}
+
+void PlainTextDocument::SetContent(const std::string& content)
+{
+    mContent = content;
+}
+
+void PlainTextDocument::Clear()
+{
+    mContent = "";
+}

src/client/text_editor/PlainTextDocument.h

@@ -0,0 +1,24 @@
+#pragma once
+
+#include <string>
+#include <memory>
+
+class PlainTextDocument
+{
+    std::string mContent;
+
+public:
+
+    PlainTextDocument();
+
+    static std::unique_ptr<PlainTextDocument> Create();
+
+    std::string GetContent() const;
+
+    void SetContent(const std::string& content);
+
+    void Clear();
+
+};
+
+using PlainTextDocumentUPtr = std::unique_ptr<PlainTextDocument>;

src/client/text_editor/TextEditorController.cpp

@@ -0,0 +1,60 @@
+#include "TextEditorController.h"
+#include "File.h"
+
+TextEditorController::TextEditorController()
+    : mModel(TextEditorModel::Create()),
+      mSavePath(),
+      mLoadPath()
+{
+
+}
+
+std::unique_ptr<TextEditorController> TextEditorController::Create()
+{
+    return std::make_unique<TextEditorController>();
+}
+
+void TextEditorController::SetContent(const std::string& content)
+{
+    mModel->GetDocument()->SetContent(content);
+}
+
+std::string TextEditorController::GetContent() const
+{
+    return mModel->GetDocument()->GetContent();
+}
+
+void TextEditorController::OnSave()
+{
+    if(mSavePath.empty()) return;
+    File outfile(mSavePath);
+    outfile.SetAccessMode(File::AccessMode::Write);
+    outfile.Open();
+    outfile.WriteText(mModel->GetDocument()->GetContent());
+    outfile.Close();
+}
+
+void TextEditorController::OnLoad()
+{
+    if(mLoadPath.empty()) return;
+    File infile(mLoadPath);
+    infile.SetAccessMode(File::AccessMode::Read);
+    infile.Open();
+    mModel->GetDocument()->SetContent(infile.ReadText());
+    infile.Close();
+}
+
+void TextEditorController::SetSavePath(const std::filesystem::path& path)
+{
+    mSavePath = path;
+}
+
+void TextEditorController::SetLoadPath(const std::filesystem::path& path)
+{
+    mLoadPath = path;
+}
+
+void TextEditorController::OnClear()
+{
+    mModel->GetDocument()->Clear();
+}

src/client/text_editor/TextEditorController.h

@@ -0,0 +1,33 @@
+#pragma once
+#include <memory>
+#include <filesystem>
+#include "TextEditorModel.h"
+
+class TextEditorController
+{
+    TextEditorModelUPtr mModel;
+    std::filesystem::path mSavePath;
+    std::filesystem::path mLoadPath;
+
+public:
+
+    TextEditorController();
+
+    static std::unique_ptr<TextEditorController> Create();
+
+    void OnSave();
+
+    void OnClear();
+
+    void OnLoad();
+
+    std::string GetContent() const;
+
+    void SetContent(const std::string& content);
+
+    void SetSavePath(const std::filesystem::path& path);
+
+    void SetLoadPath(const std::filesystem::path& path);
+};
+
+using TextEditorControllerUPtr = std::unique_ptr<TextEditorController>;

src/client/text_editor/TextEditorModel.cpp

@@ -0,0 +1,17 @@
+#include "TextEditorModel.h"
+
+TextEditorModel::TextEditorModel()
+    : mDocument(PlainTextDocument::Create())
+{
+
+}
+
+std::unique_ptr<TextEditorModel> TextEditorModel::Create()
+{
+    return std::make_unique<TextEditorModel>();
+}
+
+PlainTextDocument* TextEditorModel::GetDocument() const
+{
+    return mDocument.get();
+}

src/client/text_editor/TextEditorModel.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include "PlainTextDocument.h"
+#include <memory>
+
+class TextEditorModel
+{
+    PlainTextDocumentUPtr mDocument;
+
+public:
+
+    TextEditorModel();
+
+    static std::unique_ptr<TextEditorModel> Create();
+
+    PlainTextDocument* GetDocument() const;
+};
+
+using TextEditorModelUPtr = std::unique_ptr<TextEditorModel>;

src/client/text_editor/TextEditorView.cpp

@@ -0,0 +1,83 @@
+#include "HorizontalSpacer.h"
+#include "TextEditorView.h"
+#include "VerticalSpacer.h"
+#include <iostream>
+
+TextEditorView::TextEditorView()
+    : mTextBox(),
+      mController(TextEditorController::Create())
+{
+
+}
+
+TextEditorController* TextEditorView::GetController()
+{
+    return mController.get();
+}
+
+void TextEditorView::Initialize()
+{
+    auto label = Label::Create();
+    label->SetLabel("Text Editor");
+    label->SetBackgroundColor(Color::Create(181, 189, 200));
+    label->SetMargin(1);
+
+    auto textBox = TextBox::Create();
+    mTextBox = textBox.get();
+
+    auto saveButton = Button::Create();
+    saveButton->SetLabel("Save");
+    saveButton->SetBackgroundColor(Color::Create(200, 200, 200));
+    saveButton->SetMargin(2);
+    auto onSave = [this](Widget* self){
+                if(this && mController && mTextBox)
+                {
+                    mController->SetContent(mTextBox->GetContent());
+                    mController->OnSave();
+                };
+            };
+    saveButton->SetOnClickFunction(onSave);
+
+    auto clearButton = Button::Create();
+    clearButton->SetLabel("Clear");
+    clearButton->SetBackgroundColor(Color::Create(200, 200, 200));
+    clearButton->SetMargin(2);
+    auto onClear = [this](Widget* self){
+                if(this && mController && mTextBox)
+                {
+                    mController->OnClear();
+                    mTextBox->SetContent("");
+                };
+            };
+    clearButton->SetOnClickFunction(onClear);
+
+    auto loadButton = Button::Create();
+    loadButton->SetLabel("Load");
+    loadButton->SetBackgroundColor(Color::Create(200, 200, 200));
+    loadButton->SetMargin(2);
+    auto onLoad = [this](Widget* self){
+                if(this && mController && mTextBox)
+                {
+                    mController->OnLoad();
+                    mTextBox->SetContent(mController->GetContent());
+                };
+            };
+    loadButton->SetOnClickFunction(onLoad);
+
+    auto buttonSpacer = VerticalSpacer::Create();
+    buttonSpacer->AddWidgetWithScale(std::move(saveButton), 1);
+    buttonSpacer->AddWidgetWithScale(std::move(clearButton), 1);
+    buttonSpacer->AddWidgetWithScale(std::move(loadButton), 1);
+
+    auto hSpacer = HorizontalSpacer::Create();
+    hSpacer->AddWidgetWithScale(std::move(label), 1);
+    hSpacer->AddWidgetWithScale(std::move(textBox), 14);
+    hSpacer->AddWidgetWithScale(std::move(buttonSpacer), 1);
+
+    AddWidget(std::move(hSpacer));
+}
+
+std::unique_ptr<TextEditorView> TextEditorView::Create()
+{
+    return std::make_unique<TextEditorView>();
+}

src/client/text_editor/TextEditorView.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "Widget.h"
+#include "Button.h"
+#include "Label.h"
+#include "TextBox.h"
+#include "TextEditorController.h"
+#include <functional>
+
+class TextEditorView : public Widget
+{
+    TextBox* mTextBox;
+    TextEditorControllerUPtr mController;
+
+public:
+
+    TextEditorView();
+
+    static std::unique_ptr<TextEditorView> Create();
+
+    TextEditorController* GetController();
+
+    void Initialize();
+};
+using TextEditorViewUPtr = std::unique_ptr<TextEditorView>;

src/client/web_client/WebClientView.cpp

@@ -0,0 +1,16 @@
+#include "WebClientView.h"
+#include "Label.h"
+
+WebClientView::WebClientView()
+{
+    auto label = Label::Create();
+    label->SetLabel("Web Client");
+    label->SetBackgroundColor(Color::Create(200, 189, 160));
+    label->SetMargin(1);
+    AddWidget(std::move(label));
+}
+
+std::unique_ptr<WebClientView> WebClientView::Create()
+{
+    return std::make_unique<WebClientView>();
+}

src/client/web_client/WebClientView.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include "Widget.h"
+
+class WebClientView : public Widget
+{
+public:
+
+    WebClientView();
+
+    static std::unique_ptr<WebClientView> Create();
+};
+
+using WebClientViewUPtr = std::unique_ptr<WebClientView>;

src/console/MainApplication.cpp

@@ -98,6 +98,11 @@ void MainApplication::ConvertDocument(const std::string& inputPath, const std::s
     converter.Convert(&input_file, &output_file);
 }
 
+CommandLineArgs* MainApplication::GetCommandLineArgs() const
+{
+    return mCommandLineArgs.get();
+}
+
 void MainApplication::ShutDown()
 {
     mDatabaseManager->OnShutDown();

src/console/MainApplication.h

@@ -30,6 +30,8 @@ public:
 
     void ShutDown();
 
+    CommandLineArgs* GetCommandLineArgs() const;
+
     static std::shared_ptr<MainApplication> Create();
 
 private:

src/core/file_utilities/File.cpp

@@ -1,5 +1,6 @@
 #include "File.h"
 #include "FileLogger.h"
+#include <streambuf>
 
 File::File(std::filesystem::path path)
     : mFullPath(path),
@@ -62,6 +63,18 @@ FileFormat::Format File::InferFormat() const
     return FileFormat::InferFormat(extension);
 }
 
+void File::WriteText(const std::string& text)
+{
+    (*mOutHandle) << text;
+}
+
+std::string File::ReadText()
+{
+    std::string str((std::istreambuf_iterator<char>(*mInHandle)),
+                     std::istreambuf_iterator<char>());
+    return str;
+}
+
 bool File::PathExists() const
 {
     return std::filesystem::exists(mFullPath);

src/core/file_utilities/File.h

@@ -32,6 +32,10 @@ public:
 
     std::ofstream* GetOutHandle() const;
 
+    void WriteText(const std::string& text);
+
+    std::string ReadText();
+
     bool PathExists() const;
 
     void SetAccessMode(AccessMode mode);

src/ui_elements/CMakeLists.txt

@@ -11,6 +11,7 @@ list(APPEND ui_elements_LIB_INCLUDES
         widgets/Label.cpp
         widgets/HorizontalSpacer.cpp
         widgets/VerticalSpacer.cpp
+        widgets/StackWidget.cpp
         widgets/TextBox.cpp
         widgets/elements/GeometryElement.cpp
         widgets/elements/RectangleElement.cpp

src/ui_elements/desktop_elements/Window.cpp

@@ -37,7 +37,7 @@ void Window::OnKeyboardEvent(const KeyboardEvent* event)
 void Window::OnPaint(const PaintEvent* event)
 {
     mLayers.clear();
-    mWidget->SetSize(mWidth, mHeight);
+    mWidget->SetBounds(mWidth, mHeight);
     mWidget->OnPaintEvent(event);
 
     auto layers = mWidget->GetLayers();

src/ui_elements/widgets/Button.cpp

@@ -4,9 +4,10 @@
 Button::Button()
     : Widget(),
       mLabel(),
+      mCachedColor(255, 255, 255),
       mClickFunc()
 {
-
+    mClickedColor = Color::Create(180, 180, 180);
 }
 
 std::unique_ptr<Button> Button::Create()
@@ -28,15 +29,16 @@ void Button::OnMyMouseEvent(const MouseEvent* event)
 {
     if(event->GetAction() == MouseEvent::Action::Pressed)
     {
-        SetBackgroundColor(Color::Create(0, 255, 0));
+        mCachedColor = *mBackgroundColor;
+        SetBackgroundColor(Color::Create(*mClickedColor));
         if(mClickFunc)
         {
-            mClickFunc();
+            mClickFunc(this);
         }
     }
     else if(event->GetAction() == MouseEvent::Action::Released)
     {
-        SetBackgroundColor(Color::Create(0, 255, 255));
+        SetBackgroundColor(Color::Create(mCachedColor));
     }
 }
 
@@ -46,10 +48,13 @@ void Button::OnPaintEvent(const PaintEvent* event)
     AddBackground(event);
     if(!mLabel.empty())
     {
-        auto middle = DiscretePoint(mLocation.GetX() + mWidth/2,
-                mLocation.GetY() + mHeight/2);
+        unsigned fontOffset = mLabel.size() * 4;
+        auto middle = DiscretePoint(mLocation.GetX() + mSize.mWidth/2 - fontOffset,
+                mLocation.GetY() + mSize.mHeight/2 + 4);
         auto textLayer = VisualLayer::Create();
-        textLayer->SetText(TextElement::Create(mLabel, middle));
+        auto textElement = TextElement::Create(mLabel, middle);
+        textElement->SetFillColor(Color::Create(*mBackgroundColor));
+        textLayer->SetText(std::move(textElement));
         mMyLayers.push_back(std::move(textLayer));
     }
     CopyMyLayers();

src/ui_elements/widgets/Button.h

@@ -6,9 +6,11 @@
 class Button : public Widget
 {
 private:
-    using clickFunc = std::function<void()>;
+    using clickFunc = std::function<void(Widget* self)>;
     std::string mLabel;
     clickFunc mClickFunc;
+    Color mCachedColor;
+    ColorUPtr mClickedColor;
 
 public:
     Button();

src/ui_elements/widgets/HorizontalSpacer.cpp

@@ -31,21 +31,22 @@ void HorizontalSpacer::AddChildLayers(const PaintEvent* event)
     mLayers.clear();
     double scaleSum  = std::accumulate(mScales.begin(), mScales.end(), 0.0);
     double offset = 0;
-    double height = mHeight;
-    if (mMaxHeight > 0 && height > mMaxHeight)
+    double height = mSize.mHeight;
+    if (mSize.mMaxHeight > 0 && height > mSize.mMaxHeight)
     {
-        height = mMaxHeight;
+        height = mSize.mMaxHeight;
     }
     for(std::size_t idx=0; idx<mChildren.size(); idx++)
     {
         auto& child = mChildren[idx];
         double scale = mScales[idx];
         double delta = height * (scale/scaleSum);
-        if (child->GetMaxHeight() > 0 && delta > child->GetMaxHeight())
+        auto size = child->GetSize();
+        if (size.mMaxHeight > 0 && delta > size.mMaxHeight)
         {
-            delta = child->GetMaxHeight();
+            delta = size.mMaxHeight;
         }
-        child->SetSize(mWidth, delta);
+        child->SetBounds(mSize.mWidth, delta);
         child->SetLocation(DiscretePoint(mLocation.GetX(), mLocation.GetY() + offset));
         child->OnPaintEvent(event);
         auto layers = child->GetLayers();

src/ui_elements/widgets/Label.cpp

@@ -25,10 +25,13 @@ void Label::OnPaintEvent(const PaintEvent* event)
 
     if(!mLabel.empty())
     {
-        auto middle = DiscretePoint(mLocation.GetX() + mWidth/2,
-                mLocation.GetY() + mHeight/2);
+        unsigned fontOffset = mLabel.size() * 4;
+        auto middle = DiscretePoint(mLocation.GetX() + mSize.mWidth/2 - fontOffset,
+                mLocation.GetY() + mSize.mHeight/2 + 4);
         auto textLayer = VisualLayer::Create();
-        textLayer->SetText(TextElement::Create(mLabel, middle));
+        auto textElement = TextElement::Create(mLabel, middle);
+        textElement->SetFillColor(Color::Create(*mBackgroundColor));
+        textLayer->SetText(std::move(textElement));
         mMyLayers.push_back(std::move(textLayer));
     }
     CopyMyLayers();

src/ui_elements/widgets/StackWidget.cpp

@@ -0,0 +1,26 @@
+#include "StackWidget.h"
+
+StackWidget::StackWidget()
+{
+
+}
+
+std::unique_ptr<StackWidget> StackWidget::Create()
+{
+    return std::make_unique<StackWidget>();
+}
+
+void StackWidget::ShowChild(Widget* target)
+{
+    for(auto& child : mChildren)
+    {
+        if(child.get() == target)
+        {
+            child->SetVisible(true);
+        }
+        else
+        {
+            child->SetVisible(false);
+        }
+    }
+}

src/ui_elements/widgets/StackWidget.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include "Widget.h"
+
+class StackWidget : public Widget
+{
+public:
+    StackWidget();
+
+    static std::unique_ptr<StackWidget> Create();
+
+    void ShowChild(Widget* child);
+};
+
+using StackWidgetUPtr = std::unique_ptr<StackWidget>;

src/ui_elements/widgets/TextBox.cpp

@@ -8,7 +8,8 @@ TextBox::TextBox()
       mContent(),
       mCaps(false)
 {
-    mBackgroundColor = Color::Create(240, 240, 220);
+    mBackgroundColor = Color::Create(250, 250, 250);
+    mPadding = {10, 0, 10, 0};
 }
 
 std::unique_ptr<TextBox> TextBox::Create()
@@ -64,7 +65,6 @@ bool TextBox::OnMyKeyboardEvent(const KeyboardEvent* event)
             AppendContent(keyString);
         }
     }
-
     return true;
 }
 
@@ -85,12 +85,14 @@ void TextBox::OnPaintEvent(const PaintEvent* event)
         }
         for(const auto& line : seglist)
         {
-            auto loc = DiscretePoint(mLocation.GetX() + mWidth/10,
-                    mLocation.GetY() + mHeight/10 + offset);
+            auto loc = DiscretePoint(mLocation.GetX() + mPadding.mLeft,
+                    mLocation.GetY() + mPadding.mTop + offset);
             auto textLayer = VisualLayer::Create();
-            textLayer->SetText(TextElement::Create(line, loc));
+            auto textElement = TextElement::Create(line, loc);
+            textElement->SetFillColor(Color::Create(*mBackgroundColor));
+            textLayer->SetText(std::move(textElement));
             mMyLayers.push_back(std::move(textLayer));
-            offset += 15;
+            offset += 20;
         }
     }
     CopyMyLayers();

src/ui_elements/widgets/VerticalSpacer.cpp

@@ -31,13 +31,13 @@ void VerticalSpacer::AddChildLayers(const PaintEvent* event)
     mLayers.clear();
     double scaleSum  = std::accumulate(mScales.begin(), mScales.end(), 0.0);
     double offset = 0;
-    unsigned delta = mWidth / mChildren.size();
+    unsigned delta = mSize.mWidth / mChildren.size();
     for(std::size_t idx=0; idx<mChildren.size(); idx++)
     {
         auto& child = mChildren[idx];
         double scale = mScales[idx];
-        double delta = mWidth * (scale/scaleSum);
-        child->SetSize(delta, mHeight);
+        double delta = mSize.mWidth * (scale/scaleSum);
+        child->SetBounds(delta, mSize.mHeight);
         child->SetLocation(DiscretePoint(mLocation.GetX() + offset, mLocation.GetY()));
         child->OnPaintEvent(event);
         auto layers = child->GetLayers();

src/ui_elements/widgets/Widget.cpp

@@ -5,13 +5,16 @@
 
 Widget::Widget()
     : mLocation(DiscretePoint(0, 0)),
-      mWidth(100),
-      mHeight(100),
-      mMaxHeight(0),
+      mSize({100, 0, 0, 100, 0, 0}),
+      mPadding(),
+      mMargin(),
       mMyLayers(),
       mLayers(),
       mChildren(),
-      mBackgroundColor(Color::Create(200, 0, 0))
+      mBorderThickness(0),
+      mBackgroundColor(Color::Create(255, 255, 255)),
+      mBorderColor(Color::Create(0, 0, 0)),
+      mVisible(true)
 {
 
 }
@@ -31,14 +34,9 @@ void Widget::AddWidget(WidgetUPtr widget)
     mChildren.push_back(std::move(widget));
 }
 
-unsigned Widget::GetWidth() const
+Widget::BoundedSize Widget::GetSize() const
 {
-    return mWidth;
-}
-
-unsigned Widget::GetHeight() const
-{
-    return mHeight;
+    return mSize;
 }
 
 DiscretePoint Widget::GetLocation() const
@@ -51,14 +49,29 @@ std::vector<VisualLayer*> Widget::GetLayers() const
     return mLayers;
 }
 
-unsigned Widget::GetMaxHeight() const
+void Widget::SetSize(const BoundedSize& size)
 {
-    return mMaxHeight;
+    mSize = size;
 }
 
-void Widget::SetMaxHeight(unsigned maxHeight)
+void Widget::SetMargin(unsigned margin)
 {
-    mMaxHeight = maxHeight;
+    mMargin = {margin, margin, margin, margin};
+}
+
+void Widget::SetMargin(const BoundaryOffset& margin)
+{
+    mMargin = margin;
+}
+
+void Widget::SetPadding(unsigned padding)
+{
+    mPadding = {padding, padding, padding, padding};
+}
+
+void Widget::SetPadding(const BoundaryOffset& padding)
+{
+    mPadding = padding;
 }
 
 void Widget::CopyMyLayers()
@@ -69,11 +82,17 @@ void Widget::CopyMyLayers()
     std::transform(mMyLayers.begin(), mMyLayers.end(), std::back_inserter(mLayers), getRaw);
 }
 
+void Widget::SetBounds(unsigned width, unsigned height)
+{
+    mSize.mWidth = width;
+    mSize.mHeight = height;
+}
+
 void Widget::AddChildLayers(const PaintEvent* event)
 {
     for(auto& child: mChildren)
     {
-        child->SetSize(mWidth, mHeight);
+        child->SetBounds(mSize.mWidth, mSize.mHeight);
         child->SetLocation(mLocation);
         child->OnPaintEvent(event);
         const auto layers = child->GetLayers();
@@ -84,6 +103,9 @@ void Widget::AddChildLayers(const PaintEvent* event)
 void Widget::OnPaintEvent(const PaintEvent* event)
 {
     mMyLayers.clear();
+    mLayers.clear();
+
+    if(!mVisible)return;
     AddBackground(event);
     CopyMyLayers();
     AddChildLayers(event);
@@ -92,8 +114,8 @@ void Widget::OnPaintEvent(const PaintEvent* event)
 bool Widget::Contains(const DiscretePoint& loc) const
 {
     if(loc.GetX() < mLocation.GetX()) return false;
-    if(loc.GetX() > mLocation.GetX() + mWidth) return false;
-    if(loc.GetY() > mLocation.GetY() + mHeight) return false;
+    if(loc.GetX() > mLocation.GetX() + mSize.mWidth) return false;
+    if(loc.GetY() > mLocation.GetY() + mSize.mHeight) return false;
     if(loc.GetY() < mLocation.GetY()) return false;
     return true;
 }
@@ -154,7 +176,12 @@ void Widget::OnMyMouseEvent(const MouseEvent* event)
 
 void Widget::AddBackground(const PaintEvent* event)
 {
-    auto shape = RectangleElement::Create(mLocation, mWidth, mHeight);
+    unsigned locX = mLocation.GetX() + mMargin.mLeft;
+    unsigned locY = mLocation.GetY() + mMargin.mTop;
+    unsigned deltaX = mSize.mWidth - mMargin.mLeft - mMargin.mRight;
+    unsigned deltaY = mSize.mHeight - mMargin.mTop - mMargin.mBottom;
+    auto shape = RectangleElement::Create(DiscretePoint(locX, locY),
+            deltaX, deltaY);
     shape->SetFillColor(Color::Create(*mBackgroundColor));
     auto shapeLayer = VisualLayer::Create();
     shapeLayer->SetShape(std::move(shape));
@@ -171,8 +198,7 @@ void Widget::SetLocation(const DiscretePoint& loc)
     mLocation = loc;
 }
 
-void Widget::SetSize(unsigned width, unsigned height)
+void Widget::SetVisible(bool visible)
 {
-    mWidth = width;
-    mHeight = height;
+    mVisible = visible;
 }

src/ui_elements/widgets/Widget.h

@@ -12,16 +12,35 @@
 
 class Widget
 {
-protected:
+public:
+    struct BoundaryOffset{
+        unsigned mLeft = 0;
+        unsigned mRight = 0;
+        unsigned mTop = 0;
+        unsigned mBottom = 0;
+    };
 
+    struct BoundedSize{
+        unsigned mWidth = 0;
+        unsigned mMaxWidth = 0;
+        unsigned mMinWidth = 0;
+        unsigned mHeight = 0;
+        unsigned mMaxHeight = 0;
+        unsigned mMinHeight = 0;
+    };
+
+protected:
     DiscretePoint mLocation;
-    unsigned mWidth;
-    unsigned mHeight;
-    unsigned mMaxHeight;
+    BoundedSize mSize;
+    BoundaryOffset mPadding;
+    BoundaryOffset mMargin;
     std::vector<VisualLayerUPtr> mMyLayers;
     std::vector<VisualLayer*> mLayers;
     std::vector<std::unique_ptr<Widget> > mChildren;
+    unsigned mBorderThickness;
     ColorUPtr mBackgroundColor;
+    ColorUPtr mBorderColor;
+    bool mVisible;
 
 public:
 
@@ -33,11 +52,7 @@ public:
 
     virtual void AddWidget(std::unique_ptr<Widget> widget);
 
-    unsigned GetWidth() const;
-
-    unsigned GetHeight() const;
-
-    unsigned GetMaxHeight() const;
+    BoundedSize GetSize() const;
 
     std::vector<VisualLayer*> GetLayers() const;
 
@@ -53,11 +68,21 @@ public:
 
     void SetBackgroundColor(ColorUPtr color);
 
-    void SetSize(unsigned mWidth, unsigned mHeight);
+    void SetBounds(unsigned width, unsigned height);
+
+    void SetSize(const BoundedSize& size);
+
+    void SetMargin(unsigned margin);
+
+    void SetMargin(const BoundaryOffset& margin);
+
+    void SetPadding(unsigned padding);
+
+    void SetPadding(const BoundaryOffset& padding);
 
     void SetLocation(const DiscretePoint& loc);
 
-    void SetMaxHeight(unsigned maxHeight);
+    void SetVisible(bool visible);
 
 protected:
 

src/ui_elements/widgets/elements/TextElement.cpp

@@ -3,7 +3,9 @@
 TextElement::TextElement(const std::string& content, const DiscretePoint& loc)
     : mContent(content),
       mLocation(loc),
-      mFontLabel("7x14")
+      mFontLabel("7x14"),
+      mFillColor(Color::Create(255, 255, 255)),
+      mStrokeColor(Color::Create(0, 0, 0))
 {
 // https://en.wikipedia.org/wiki/Fixed_(typeface)#:~:text=misc%2Dfixed%20is%20a%20collection,to%20a%20single%20font%20family.
 }
@@ -18,6 +20,15 @@ std::unique_ptr<TextElement> TextElement::Create(const std::string& content, con
     return std::make_unique<TextElement>(content, loc);
 }
 
+Color* TextElement::GetFillColor() const
+{
+    return mFillColor.get();
+}
+Color* TextElement::GetStrokeColor() const
+{
+    return mStrokeColor.get();
+}
+
 DiscretePoint TextElement::GetLocation() const
 {
     return mLocation;
@@ -37,3 +48,13 @@ void TextElement::SetContent(const std::string& content)
 {
     mContent = content;
 }
+
+void TextElement::SetFillColor(ColorUPtr color)
+{
+    mFillColor = std::move(color);
+}
+
+void TextElement::SetStrokeColor(ColorUPtr color)
+{
+    mStrokeColor = std::move(color);
+}

src/ui_elements/widgets/elements/TextElement.h

@@ -4,12 +4,15 @@
 #include <string>
 
 #include "DiscretePoint.h"
+#include "Color.h"
 
 class TextElement
 {
     std::string mContent;
     DiscretePoint mLocation;
     std::string mFontLabel;
+    ColorUPtr mFillColor;
+    ColorUPtr mStrokeColor;
 
 public:
 
@@ -19,13 +22,15 @@ public:
 
     static std::unique_ptr<TextElement> Create(const std::string& content, const DiscretePoint& loc);
 
+    Color* GetFillColor() const;
+    Color* GetStrokeColor() const;
+
     DiscretePoint GetLocation() const;
-
     std::string GetContent() const;
-
     std::string GetFontLabel() const;
-
     void SetContent(const std::string& content);
+    void SetFillColor(ColorUPtr color);
+    void SetStrokeColor(ColorUPtr color);
 };
 
 using TextElementUPtr = std::unique_ptr<TextElement>;

src/windows/managers/DesktopManager.cpp

@@ -71,7 +71,10 @@ void DesktopManager::OnUiEvent(UiEventUPtr eventUPtr)
             OnMouseEvent(mouseEvent);
             if(mouseEvent->GetAction() == MouseEvent::Action::Pressed)
             {
-                std::cout << "mouse pressed" << std::endl;
+                mModified = true;
+            }
+            else if(mouseEvent->GetAction() == MouseEvent::Action::Released)
+            {
                 mModified = true;
             }
             break;

src/windows/ui_interfaces/x11/XcbInterface.cpp

@@ -149,6 +149,7 @@ void XcbInterface::ShowWindow(mt::Window* window)
 uint32_t XcbInterface::GetEventMask()
 {
     return XCB_EVENT_MASK_KEY_RELEASE | XCB_EVENT_MASK_BUTTON_PRESS |
+            XCB_EVENT_MASK_BUTTON_RELEASE |
             XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_POINTER_MOTION;
 }
 
@@ -226,6 +227,21 @@ void XcbInterface::OnButtonPress(xcb_button_press_event_t* event, DesktopManager
     desktopManager->OnUiEvent(std::move(ui_event));
 }
 
+void XcbInterface::OnButtonRelease(xcb_button_release_event_t* event, DesktopManager* desktopManager)
+{
+    auto ui_event = MouseEvent::Create();
+    auto x = static_cast<unsigned>(event->event_x);
+    auto y = static_cast<unsigned>(event->event_y);
+    ui_event->SetClientLocation(DiscretePoint(x, y));
+
+    auto screen_x = static_cast<unsigned>(event->root_x);
+    auto screen_y = static_cast<unsigned>(event->root_y);
+    ui_event->SetScreenLocation(DiscretePoint(x, y));
+
+    ui_event->SetAction(MouseEvent::Action::Released);
+    desktopManager->OnUiEvent(std::move(ui_event));
+}
+
 void XcbInterface::LoopOpenGl(DesktopManager* desktopManager)
 {
     int running = 1;
@@ -311,7 +327,6 @@ void XcbInterface::Loop(DesktopManager* desktopManager)
                 OnKeyPress(kr, desktopManager);
                 break;
             }
-
             case XCB_KEY_RELEASE: {
                 auto kr = reinterpret_cast<xcb_key_release_event_t*>(event);
                 OnKeyRelease(kr, desktopManager);
@@ -322,6 +337,11 @@ void XcbInterface::Loop(DesktopManager* desktopManager)
                 OnButtonPress(press, desktopManager);
                 break;
             }
+            case XCB_BUTTON_RELEASE: {
+                auto release = reinterpret_cast<xcb_button_release_event_t*>(event);
+                OnButtonRelease(release, desktopManager);
+                break;
+            }
             default:
                 /* Unknown event type, ignore it */
                 break;

src/windows/ui_interfaces/x11/XcbInterface.h

@@ -76,6 +76,8 @@ private:
 
     void OnButtonPress(xcb_button_press_event_t* event, DesktopManager*);
 
+    void OnButtonRelease(xcb_button_press_event_t* event, DesktopManager*);
+
     void MapWindow(mt::Window* window);
 
     void CreateGraphicsContext();

src/windows/ui_interfaces/x11/XcbTextInterface.cpp

@@ -1,8 +1,10 @@
 #include "XcbTextInterface.h"
+#include "XcbLayerInterface.h"
 #include <string.h>
 
 xcb_gcontext_t XcbTextInterface::GetFontGC(xcb_connection_t  *connection,
-        xcb_screen_t *screen, xcb_window_t window, const char*font_name)
+        xcb_screen_t *screen, xcb_window_t window, const char*font_name,
+        const TextElement* textElement)
 {
     /* get font */
     xcb_font_t font = xcb_generate_id(connection);
@@ -11,7 +13,8 @@ xcb_gcontext_t XcbTextInterface::GetFontGC(xcb_connection_t  *connection,
     /* create graphics context */
     xcb_gcontext_t gc = xcb_generate_id(connection);
     uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT;
-    uint32_t value_list[3] = {screen->black_pixel, screen->white_pixel, font };
+    auto fillColor = XcbLayerInterface::GetColor(textElement->GetFillColor());
+    uint32_t value_list[3] = {screen->black_pixel, fillColor, font };
 
     xcb_create_gc(connection, gc, window, mask, value_list);
 
@@ -26,7 +29,7 @@ void XcbTextInterface::AddTextElement(xcb_connection_t* connection,
 {
     /* get graphics context */
     xcb_gcontext_t gc = XcbTextInterface::GetFontGC(connection, screen, window,
-            textElement->GetFontLabel().c_str());
+            textElement->GetFontLabel().c_str(), textElement);
 
     /* draw the text */
     std::string content = textElement->GetContent();

src/windows/ui_interfaces/x11/XcbTextInterface.h

@@ -6,7 +6,8 @@ class XcbTextInterface
 {
 public:
     static xcb_gcontext_t GetFontGC(xcb_connection_t* connection,
-            xcb_screen_t*screen, xcb_window_t window, const char*font_name);
+            xcb_screen_t*screen, xcb_window_t window, const char*font_name,
+            const TextElement* textElement);
 
     static void AddTextElement(xcb_connection_t* connection,
             xcb_screen_t* screen, xcb_window_t window,