VisualBuilder: Add the first VBWidget subclass: VBButtonWidget. :^)

Applications/VisualBuilder/Makefile

@@ -1,6 +1,8 @@
 OBJS = \
     VBForm.o \
     VBWidget.o \
+    VBButtonWidget.o \
+    VBWidgetFactory.o \
     main.o
 
 APP = VisualBuilder 

Applications/VisualBuilder/VBButtonWidget.cpp

@@ -0,0 +1,17 @@
+#include "VBButtonWidget.h"
+#include <SharedGraphics/StylePainter.h>
+#include <LibGUI/GPainter.h>
+
+VBButtonWidget::VBButtonWidget(VBForm& form)
+    : VBWidget(form)
+{
+}
+
+VBButtonWidget::~VBButtonWidget()
+{
+}
+
+void VBButtonWidget::paint(GPainter& painter)
+{
+    StylePainter::paint_button(painter, rect(), ButtonStyle::Normal, false);
+}

Applications/VisualBuilder/VBButtonWidget.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include "VBWidget.h"
+
+class VBButtonWidget : public VBWidget {
+public:
+    static Retained<VBButtonWidget> create(VBForm& form) { return adopt(*new VBButtonWidget(form)); }
+    virtual ~VBButtonWidget() override;
+
+    virtual void paint(GPainter&) override;
+    virtual const char* gwidget_name() const { return "GButton"; }
+
+private:
+    explicit VBButtonWidget(VBForm&);
+};

Applications/VisualBuilder/VBForm.cpp

@@ -1,5 +1,6 @@
 #include "VBForm.h"
 #include "VBWidget.h"
+#include "VBWidgetFactory.h"
 #include <LibGUI/GPainter.h>
 
 VBForm::VBForm(const String& name, GWidget* parent)
@@ -15,6 +16,10 @@ VBForm::VBForm(const String& name, GWidget* parent)
     auto box2 = VBWidget::create(*this);
     box2->set_rect({ 100, 100, 161, 141 });
     m_widgets.append(move(box2));
+
+    auto button1 = VBWidgetFactory::create("GButton", *this);
+    button1->set_rect({ 200, 50, 101, 21 });
+    m_widgets.append(move(button1));
 }
 
 VBForm::~VBForm()
@@ -34,6 +39,11 @@ void VBForm::paint_event(GPaintEvent& event)
 
     for (auto& widget : m_widgets) {
         widget->paint(painter);
+        if (widget->is_selected()) {
+            for_each_direction([&] (Direction direction) {
+                painter.fill_rect(widget->grabber_rect(direction), Color::Black);
+            });
+        }
     }
 }
 
@@ -151,8 +161,8 @@ void VBForm::mousemove_event(GMouseEvent& event)
 
         new_rect.set_x(new_rect.x() - (new_rect.x() % m_grid_size));
         new_rect.set_y(new_rect.y() - (new_rect.y() % m_grid_size));
-        new_rect.set_width(new_rect.width() - (new_rect.width() % m_grid_size));
-        new_rect.set_height(new_rect.height() - (new_rect.height() % m_grid_size));
+        new_rect.set_width(new_rect.width() - (new_rect.width() % m_grid_size) + 1);
+        new_rect.set_height(new_rect.height() - (new_rect.height() % m_grid_size) + 1);
 
         m_selected_widget->set_rect(new_rect);
         update();

Applications/VisualBuilder/VBWidget.cpp

@@ -56,10 +56,4 @@ void VBWidget::paint(GPainter& painter)
 {
     painter.fill_rect(m_rect, Color::White);
     painter.draw_rect(m_rect, Color::Black);
-
-    if (is_selected()) {
-        for_each_direction([&] (Direction direction) {
-            painter.fill_rect(grabber_rect(direction), Color::Black);
-        });
-    }
 }

Applications/VisualBuilder/VBWidget.h

@@ -35,11 +35,14 @@ public:
     Rect grabber_rect(Direction) const;
     Direction grabber_at(const Point&) const;
 
-    void paint(GPainter&);
+    virtual void paint(GPainter&);
+
+    virtual const char* gwidget_name() const { return "GWidget"; }
+
+protected:
+    explicit VBWidget(VBForm&);
 
 private:
-    VBWidget(VBForm&);
-
     VBForm& m_form;
     Rect m_rect;
 };

Applications/VisualBuilder/VBWidgetFactory.cpp

@@ -0,0 +1,9 @@
+#include "VBWidgetFactory.h"
+#include "VBButtonWidget.h"
+
+Retained<VBWidget> VBWidgetFactory::create(const String& widget_name, VBForm& form)
+{
+    if (widget_name == "GButton")
+        return VBButtonWidget::create(form);
+    return VBWidget::create(form);
+}

Applications/VisualBuilder/VBWidgetFactory.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include <AK/AKString.h>
+#include <AK/Retained.h>
+
+class VBForm;
+class VBWidget;
+
+class VBWidgetFactory {
+public:
+    static Retained<VBWidget> create(const String& widget_name, VBForm&);
+};