LibGUI: Allow specifying GButton text alignment.

LibGUI/GButton.cpp

@@ -37,7 +37,7 @@ void GButton::paint_event(GPaintEvent& event)
     StylePainter::paint_button(painter, rect(), m_button_style, m_being_pressed, m_hovered, m_checkable && m_checked);
 
     if (!caption().is_empty() || m_icon) {
-        auto content_rect = rect();
+        auto content_rect = rect().shrunken(10, 2);
         auto icon_location = m_icon ? content_rect.center().translated(-(m_icon->width() / 2), -(m_icon->height() / 2)) : Point();
         if (m_being_pressed) {
             content_rect.move_by(1, 1);
@@ -46,7 +46,7 @@ void GButton::paint_event(GPaintEvent& event)
         if (m_icon)
             painter.blit(icon_location, *m_icon, m_icon->rect());
         auto& font = (m_checkable && m_checked) ? Font::default_bold_font() : this->font();
-        painter.draw_text(content_rect, caption(), font, TextAlignment::Center, Color::Black);
+        painter.draw_text(content_rect, caption(), font, text_alignment(), Color::Black);
     }
 }
 

LibGUI/GButton.h

@@ -5,6 +5,7 @@
 #include <AK/AKString.h>
 #include <AK/Function.h>
 #include <SharedGraphics/GraphicsBitmap.h>
+#include <SharedGraphics/TextAlignment.h>
 
 class GButton : public GWidget {
 public:
@@ -24,6 +25,9 @@ public:
     bool is_checked() const { return m_checked; }
     void set_checked(bool);
 
+    void set_text_alignment(TextAlignment text_alignment) { m_text_alignment = text_alignment; }
+    TextAlignment text_alignment() const { return m_text_alignment; }
+
     Function<void(GButton&)> on_click;
 
     void set_button_style(ButtonStyle style) { m_button_style = style; }
@@ -44,6 +48,7 @@ private:
     String m_caption;
     RetainPtr<GraphicsBitmap> m_icon;
     ButtonStyle m_button_style { ButtonStyle::Normal };
+    TextAlignment m_text_alignment { TextAlignment::Center };
     bool m_being_pressed { false };
     bool m_hovered { false };
     bool m_checkable { false };