VisualBuilder: Start working on an interface builder application.

It's tedious making interfaces programmatically. Let's make a program to
help us with this. :^)

Applications/VisualBuilder/.gitignore

@@ -0,0 +1,3 @@
+*.o
+*.d
+InterfaceEditor

Applications/VisualBuilder/Makefile

@@ -0,0 +1,33 @@
+OBJS = \
+    VBForm.o \
+    VBWidget.o \
+    main.o
+
+APP = VisualBuilder 
+
+STANDARD_FLAGS = -std=c++17 -Wno-sized-deallocation
+WARNING_FLAGS = -Wextra -Wall -Wundef -Wcast-qual -Wwrite-strings -Wimplicit-fallthrough
+FLAVOR_FLAGS = -fno-exceptions -fno-rtti
+OPTIMIZATION_FLAGS = -Os
+INCLUDE_FLAGS = -I../.. -I. -I../../LibC
+
+DEFINES = -DSERENITY -DSANITIZE_PTRS -DUSERLAND
+
+CXXFLAGS = -MMD -MP $(WARNING_FLAGS) $(OPTIMIZATION_FLAGS) $(FLAVOR_FLAGS) $(STANDARD_FLAGS) $(INCLUDE_FLAGS) $(DEFINES)
+CXX = i686-pc-serenity-g++
+LD = i686-pc-serenity-g++
+LDFLAGS = -L../../LibC -L../../LibCore -L../../LibGUI
+
+all: $(APP)
+
+$(APP): $(OBJS)
+	$(LD) -o $(APP) $(LDFLAGS) $(OBJS) -lgui -lcore -lc
+
+.cpp.o:
+	@echo "CXX $<"; $(CXX) $(CXXFLAGS) -o $@ -c $<
+
+-include $(OBJS:%.o=%.d)
+
+clean:
+	@echo "CLEAN"; rm -f $(APPS) $(OBJS) *.d
+

Applications/VisualBuilder/VBForm.cpp

@@ -0,0 +1,25 @@
+#include "VBForm.h"
+#include <LibGUI/GPainter.h>
+
+VBForm::VBForm(const String& name, GWidget* parent)
+    : GWidget(parent)
+{
+    set_fill_with_background_color(true);
+    set_background_color(Color::LightGray);
+}
+
+VBForm::~VBForm()
+{
+}
+
+void VBForm::paint_event(GPaintEvent& event)
+{
+    GPainter painter(*this);
+    painter.add_clip_rect(event.rect());
+
+    for (int y = 0; y < height(); y += m_grid_size) {
+        for (int x = 0; x < width(); x += m_grid_size) {
+            painter.set_pixel({ x, y }, Color::Black);
+        }
+    }
+}

Applications/VisualBuilder/VBForm.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <LibGUI/GWidget.h>
+#include <AK/Vector.h>
+#include "VBWidget.h"
+
+class VBForm : public GWidget {
+public:
+    explicit VBForm(const String& name, GWidget* parent = nullptr);
+    virtual ~VBForm() override;
+
+protected:
+    virtual void paint_event(GPaintEvent&) override;
+
+private:
+    String m_name;
+    int m_grid_size { 5 };
+
+    Vector<VBWidget*> m_widgets;
+};

Applications/VisualBuilder/VBWidget.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include <SharedGraphics/Rect.h>
+
+class VBWidget {
+public:
+    VBWidget();
+    virtual ~VBWidget();
+
+    Rect rect() const { return m_rect; }
+    void set_rect(const Rect& rect) { m_rect = rect; }
+
+private:
+    Rect m_rect;
+};

Applications/VisualBuilder/main.cpp

@@ -0,0 +1,56 @@
+#include <LibGUI/GWindow.h>
+#include <LibGUI/GWidget.h>
+#include <LibGUI/GBoxLayout.h>
+#include <LibGUI/GApplication.h>
+#include <LibGUI/GStatusBar.h>
+#include <LibGUI/GToolBar.h>
+#include <LibGUI/GMenuBar.h>
+#include <LibGUI/GTextEditor.h>
+#include <LibGUI/GAction.h>
+#include <LibGUI/GFontDatabase.h>
+#include <LibCore/CFile.h>
+#include <AK/StringBuilder.h>
+#include "VBForm.h"
+#include "VBWidget.h"
+#include <unistd.h>
+#include <stdio.h>
+#include <signal.h>
+#include <fcntl.h>
+
+int main(int argc, char** argv)
+{
+    GApplication app(argc, argv);
+
+    auto* form1 = new VBForm("Form1");
+
+    auto menubar = make<GMenuBar>();
+    auto app_menu = make<GMenu>("Visual Builder");
+    app_menu->add_action(GAction::create("Quit", { Mod_Alt, Key_F4 }, [] (const GAction&) {
+        GApplication::the().quit(0);
+        return;
+    }));
+    menubar->add_menu(move(app_menu));
+
+    auto file_menu = make<GMenu>("File");
+    menubar->add_menu(move(file_menu));
+
+    auto edit_menu = make<GMenu>("Edit");
+    menubar->add_menu(move(edit_menu));
+
+    auto help_menu = make<GMenu>("Help");
+    help_menu->add_action(GAction::create("About", [] (const GAction&) {
+        dbgprintf("FIXME: Implement Help/About\n");
+    }));
+    menubar->add_menu(move(help_menu));
+
+    app.set_menubar(move(menubar));
+
+    auto* window = new GWindow;
+    window->set_title("Form1");
+    window->set_rect(20, 200, 640, 400);
+    window->set_main_widget(form1);
+    window->set_should_exit_event_loop_on_close(true);
+    window->show();
+
+    return app.exec();
+}

Kernel/makeall.sh

@@ -40,6 +40,8 @@ $make_cmd -C ../Applications/Taskbar clean && \
 $make_cmd -C ../Applications/Taskbar && \
 $make_cmd -C ../Applications/Downloader clean && \
 $make_cmd -C ../Applications/Downloader && \
+$make_cmd -C ../Applications/VisualBuilder clean && \
+$make_cmd -C ../Applications/VisualBuilder && \
 $make_cmd clean &&\
 $make_cmd && \
 sudo ./sync.sh

Kernel/sync.sh

@@ -97,6 +97,8 @@ cp -v ../Applications/Taskbar/Taskbar mnt/bin/Taskbar
 ln -s Taskbar mnt/bin/tb
 cp -v ../Applications/Downloader/Downloader mnt/bin/Downloader
 ln -s Downloader mnt/bin/dl
+cp -v ../Applications/VisualBuilder/VisualBuilder mnt/bin/VisualBuilder
+ln -s VisualBuilder mnt/bin/vb
 cp -v kernel.map mnt/
 sh sync-local.sh
 umount mnt || ( sleep 0.5 && sync && umount mnt )