Implement the color clipboard

Author: bruhmoent

src/gui/color_clipboard.cpp

@@ -0,0 +1,41 @@
+//  SuperTux
+//  Copyright (C) 2024 bruhmoent
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "color_clipboard.hpp"
+
+ColorClipboard::ColorClipboard()
+{
+  m_color = std::make_unique<Color>(Color::WHITE);
+}
+
+ColorClipboard&
+ColorClipboard::instance()
+{
+  static ColorClipboard instance;
+  return instance;
+}
+
+void
+ColorClipboard::set_color(const Color& color)
+{
+  m_color = std::make_unique<Color>(color);
+}
+
+const
+Color* ColorClipboard::get_color() const
+{
+  return m_color.get();
+}

src/gui/color_clipboard.hpp

@@ -0,0 +1,45 @@
+//  SuperTux
+//  Copyright (C) 2024 bruhmoent
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef HEADER_SUPERTUX_GUI_COLOR_CLIPBOARD_HPP
+#define HEADER_SUPERTUX_GUI_COLOR_CLIPBOARD_HPP
+
+#include <memory>
+
+#include "video/color.hpp"
+
+class ColorClipboard 
+{
+public:
+  ColorClipboard();
+  ~ColorClipboard() = default;
+
+  static ColorClipboard& instance();
+
+  void set_color(const Color& color);
+  const Color* get_color() const;
+
+private:
+  std::unique_ptr<Color> m_color;
+
+private:
+  ColorClipboard(const ColorClipboard&) = delete;
+  ColorClipboard& operator=(const ColorClipboard&) = delete;
+};
+
+#endif
+
+/* EOF */

src/gui/menu_color.cpp

@@ -15,11 +15,14 @@
 //  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "gui/menu_color.hpp"
+#include "menu_item.hpp"
+#include "item_action.hpp"
 
 #include "util/gettext.hpp"
 
 ColorMenu::ColorMenu(Color* color_) :
-  color(color_)
+  color(color_),
+  clipboard(ColorClipboard::instance())
 {
   add_label(_("Mix the colour"));
   add_hl();
@@ -31,13 +34,33 @@ ColorMenu::ColorMenu(Color* color_) :
   add_color_channel_rgba(&(color->alpha), Color::BLACK, -1, true);
   add_color_display(color);
 
+  add_hl();
+  add_item(std::make_unique<MenuItem>(_("Copy"), 1));
+  add_item(std::make_unique<MenuItem>(
+    _("Paste"),
+    2,
+    clipboard.get_color() ? std::make_optional(*clipboard.get_color()) : std::nullopt));
+
   add_hl();
   add_back(_("OK"));
 }
 
 void
 ColorMenu::menu_action(MenuItem& item)
 {
+  if (item.get_id() == 1)
+  {
+    clipboard.set_color(*color);
+    MenuItem& menu_paste_item = get_item_by_id(2);
+    if (&menu_paste_item)
+      menu_paste_item.set_text_color(*color);
+  }
+  else if (item.get_id() == 2)
+  {
+    const Color* clipboard_color = clipboard.get_color();
+    if (clipboard_color)
+      *color = *clipboard_color;
+  }
 }
 
 /* EOF */

src/gui/menu_color.hpp

@@ -18,6 +18,7 @@
 #define HEADER_SUPERTUX_GUI_MENU_COLOR_HPP
 
 #include "gui/menu.hpp"
+#include "color_clipboard.hpp"
 
 class ColorMenu final : public Menu
 {
@@ -28,6 +29,7 @@ class ColorMenu final : public Menu
 
 private:
   Color* color;
+  ColorClipboard& clipboard;
 
 private:
   ColorMenu(const ColorMenu&) = delete;

src/gui/menu_item.cpp

@@ -23,18 +23,17 @@
 #include "supertux/resources.hpp"
 #include "video/drawing_context.hpp"
 
-//static const float FLICK_CURSOR_TIME = 0.5f;
-
-MenuItem::MenuItem(const std::string& text, int id) :
+MenuItem::MenuItem(const std::string& text, int id, const std::optional<Color>& text_color) :
   m_id(id),
   m_text(text),
   m_help(),
-  m_font(Resources::normal_font)
+  m_font(Resources::normal_font),
+  m_text_color(text_color)
 {
 }
 
-MenuItem::~MenuItem() {
-
+MenuItem::~MenuItem()
+{
 }
 
 void
@@ -59,12 +58,20 @@ MenuItem::draw(DrawingContext& context, const Vector& pos, int menu_width, bool
 }
 
 Color
-MenuItem::get_color() const {
-  return ColorScheme::Menu::default_color;
+MenuItem::get_color() const
+{
+  return m_text_color.value_or(ColorScheme::Menu::default_color);
+}
+
+void
+MenuItem::set_text_color(const Color& color)
+{
+  m_text_color = color;
 }
 
 int
-MenuItem::get_width() const {
+MenuItem::get_width() const
+{
   return static_cast<int>(m_font->get_text_width(m_text)) + 16;
 }
 

src/gui/menu_item.hpp

@@ -19,11 +19,12 @@
 #define HEADER_SUPERTUX_GUI_MENU_ITEM_HPP
 
 #include "gui/menu.hpp"
+#include <optional>
 
 class MenuItem
 {
 public:
-  MenuItem(const std::string& text, int id = -1);
+  MenuItem(const std::string& text, int id = -1, const std::optional<Color>& text_color = std::nullopt);
   virtual ~MenuItem();
 
   int get_id() const { return m_id; }
@@ -65,6 +66,7 @@ class MenuItem
   virtual void event(const SDL_Event& ev) { }
 
   virtual Color get_color() const;
+  virtual void set_text_color(const Color& color);
 
   /** Returns true when the MenuManager shouldn't do anything else. */
   virtual bool no_other_action() const {
@@ -86,6 +88,7 @@ class MenuItem
   std::string m_text;
   std::string m_help;
   FontPtr m_font;
+  std::optional<Color> m_text_color;
 
 private:
   MenuItem(const MenuItem&) = delete;