HackStudio: Start working on an IDE for SerenityOS

This will be fun. :^)

DevTools/HackStudio/main.cpp

@@ -0,0 +1,62 @@
+#include "Project.h"
+#include <LibCore/CFile.h>
+#include <LibGUI/GApplication.h>
+#include <LibGUI/GBoxLayout.h>
+#include <LibGUI/GListView.h>
+#include <LibGUI/GMessageBox.h>
+#include <LibGUI/GSplitter.h>
+#include <LibGUI/GStatusBar.h>
+#include <LibGUI/GTextEditor.h>
+#include <LibGUI/GToolBar.h>
+#include <LibGUI/GWidget.h>
+#include <LibGUI/GWindow.h>
+#include <stdio.h>
+#include <unistd.h>
+
+int main(int argc, char** argv)
+{
+    GApplication app(argc, argv);
+
+    auto window = GWindow::construct();
+    window->set_rect(100, 100, 800, 600);
+    window->set_title("HackStudio");
+
+    auto widget = GWidget::construct();
+    window->set_main_widget(widget);
+
+    widget->set_fill_with_background_color(true);
+    widget->set_layout(make<GBoxLayout>(Orientation::Vertical));
+    widget->layout()->set_spacing(0);
+
+    if (chdir("/home/anon/serenity") < 0) {
+        perror("chdir");
+        return 1;
+    }
+    auto project = Project::load_from_file("serenity.files");
+    ASSERT(project);
+
+    auto toolbar = GToolBar::construct(widget);
+
+    auto splitter = GSplitter::construct(Orientation::Horizontal, widget);
+    auto project_list_view = GListView::construct(splitter);
+    project_list_view->set_model(project->model());
+    project_list_view->set_size_policy(SizePolicy::Fixed, SizePolicy::Fill);
+    project_list_view->set_preferred_size(200, 0);
+
+    auto text_editor = GTextEditor::construct(GTextEditor::MultiLine, splitter);
+
+    project_list_view->on_activation = [&](auto& index) {
+        auto filename = project_list_view->model()->data(index).to_string();
+        auto file = CFile::construct(filename);
+        if (!file->open(CFile::ReadOnly)) {
+            GMessageBox::show("Could not open!", "Error", GMessageBox::Type::Error, GMessageBox::InputType::OK, window);
+            return;
+        }
+        text_editor->set_text(file->read_all());
+    };
+
+    auto statusbar = GStatusBar::construct(widget);
+
+    window->show();
+    return app.exec();
+}