Calculator: Add support for copy+paste using system clipboard

3 files changed, 29 insertions, 1 deletions

diff --git a/Userland/Applications/Calculator/CalculatorWidget.cpp b/Userland/Applications/Calculator/CalculatorWidget.cpp
index df648640a0..f2ae66413a 100644
--- a/Userland/Applications/Calculator/CalculatorWidget.cpp
+++ b/Userland/Applications/Calculator/CalculatorWidget.cpp
@@ -147,6 +147,17 @@ void CalculatorWidget::add_digit_button(GUI::Button& button, int digit)
     };
 }
 
+String CalculatorWidget::get_entry()
+{
+    return m_entry->text();
+}
+
+void CalculatorWidget::set_entry(double value)
+{
+    m_keypad.set_value(value);
+    update_display();
+}
+
 void CalculatorWidget::update_display()
 {
     m_entry->set_text(m_keypad.to_string());
diff --git a/Userland/Applications/Calculator/CalculatorWidget.h b/Userland/Applications/Calculator/CalculatorWidget.h
index 31d9548b3c..857f27fc82 100644
--- a/Userland/Applications/Calculator/CalculatorWidget.h
+++ b/Userland/Applications/Calculator/CalculatorWidget.h
@@ -36,6 +36,8 @@ class CalculatorWidget final : public GUI::Widget {
     C_OBJECT(CalculatorWidget)
 public:
     virtual ~CalculatorWidget() override;
+    String get_entry();
+    void set_entry(double);
 
 private:
     CalculatorWidget();
diff --git a/Userland/Applications/Calculator/main.cpp b/Userland/Applications/Calculator/main.cpp
index a2a10f1029..91ee969d23 100644
--- a/Userland/Applications/Calculator/main.cpp
+++ b/Userland/Applications/Calculator/main.cpp
@@ -27,6 +27,7 @@
 #include "CalculatorWidget.h"
 #include <LibGUI/Action.h>
 #include <LibGUI/Application.h>
+#include <LibGUI/Clipboard.h>
 #include <LibGUI/Icon.h>
 #include <LibGUI/Menu.h>
 #include <LibGUI/MenuBar.h>
@@ -62,7 +63,7 @@ int main(int argc, char** argv)
     window->set_resizable(false);
     window->resize(254, 213);
 
-    window->set_main_widget<CalculatorWidget>();
+    auto& widget = window->set_main_widget<CalculatorWidget>();
 
     window->show();
     window->set_icon(app_icon.bitmap_for_size(16));
@@ -75,6 +76,20 @@ int main(int argc, char** argv)
         return;
     }));
 
+    auto& edit_menu = menubar->add_menu("Edit");
+    edit_menu.add_action(GUI::Action::create("Copy", { Mod_Ctrl, Key_C }, Gfx::Bitmap::load_from_file("/res/icons/16x16/edit-copy.png"), [&](const GUI::Action&) {
+        GUI::Clipboard::the().set_plain_text(widget.get_entry());
+    }));
+    edit_menu.add_action(GUI::Action::create("Paste", { Mod_Ctrl, Key_V }, Gfx::Bitmap::load_from_file("/res/icons/16x16/paste.png"), [&](const GUI::Action&) {
+        auto clipboard = GUI::Clipboard::the().data_and_type();
+        if (clipboard.mime_type == "text/plain") {
+            if (!clipboard.data.is_empty()) {
+                auto data = atof(StringView(clipboard.data).to_string().characters());
+                widget.set_entry(data);
+            }
+        }
+    }));
+
     auto& help_menu = menubar->add_menu("Help");
     help_menu.add_action(GUI::CommonActions::make_about_action("Calculator", app_icon, window));