BrowserSettings: Add setting for search engine

Userland/Applications/BrowserSettings/BrowserSettingsWidget.cpp

@@ -7,6 +7,7 @@
 #include "BrowserSettingsWidget.h"
 #include <Applications/BrowserSettings/BrowserSettingsWidgetGML.h>
 #include <LibConfig/Client.h>
+#include <LibGUI/JsonArrayModel.h>
 
 BrowserSettingsWidget::BrowserSettingsWidget()
 {
@@ -18,6 +19,66 @@ BrowserSettingsWidget::BrowserSettingsWidget()
     m_show_bookmarks_bar_checkbox = find_descendant_of_type_named<GUI::CheckBox>("show_bookmarks_bar_checkbox");
     m_show_bookmarks_bar_checkbox->set_checked(Config::read_bool("Browser", "Preferences", "ShowBookmarksBar", true), GUI::AllowCallback::No);
 
+    m_enable_search_engine_checkbox = find_descendant_of_type_named<GUI::CheckBox>("enable_search_engine_checkbox");
+    m_search_engine_combobox_group = find_descendant_of_type_named<GUI::Widget>("search_engine_combobox_group");
+    m_search_engine_combobox = find_descendant_of_type_named<GUI::ComboBox>("search_engine_combobox");
+    m_custom_search_engine_group = find_descendant_of_type_named<GUI::Widget>("custom_search_engine_group");
+    m_custom_search_engine_textbox = find_descendant_of_type_named<GUI::TextBox>("custom_search_engine_textbox");
+
+    m_enable_search_engine_checkbox->on_checked = [this](bool checked) {
+        m_search_engine_combobox_group->set_enabled(checked);
+        m_custom_search_engine_group->set_enabled(checked && m_is_custom_search_engine);
+    };
+
+    Vector<GUI::JsonArrayModel::FieldSpec> search_engine_fields;
+    search_engine_fields.empend("title", "Title", Gfx::TextAlignment::CenterLeft);
+    search_engine_fields.empend("url_format", "Url format", Gfx::TextAlignment::CenterLeft);
+    auto search_engines_model = GUI::JsonArrayModel::create(String::formatted("{}/SearchEngines.json", Core::StandardPaths::config_directory()), move(search_engine_fields));
+    search_engines_model->invalidate();
+    Vector<JsonValue> custom_search_engine;
+    custom_search_engine.append("Custom...");
+    custom_search_engine.append("");
+    search_engines_model->add(move(custom_search_engine));
+
+    m_search_engine_combobox->set_model(move(search_engines_model));
+    m_search_engine_combobox->set_only_allow_values_from_model(true);
+    m_search_engine_combobox->on_change = [this](AK::String const&, GUI::ModelIndex const& cursor_index) {
+        auto url_format = m_search_engine_combobox->model()->index(cursor_index.row(), 1).data().to_string();
+        m_is_custom_search_engine = url_format.is_empty();
+        m_custom_search_engine_group->set_enabled(m_is_custom_search_engine);
+    };
+
+    auto current_search_engine_url = Config::read_string("Browser", "Preferences", "SearchEngine", {});
+    if (current_search_engine_url.is_empty()) {
+        m_enable_search_engine_checkbox->set_checked(false);
+        m_search_engine_combobox_group->set_enabled(false);
+        m_custom_search_engine_group->set_enabled(false);
+        m_search_engine_combobox->set_selected_index(0);
+    } else {
+        m_enable_search_engine_checkbox->set_checked(true);
+        m_search_engine_combobox_group->set_enabled(true);
+
+        bool found_url = false;
+        for (int item_index = 0; item_index < m_search_engine_combobox->model()->row_count(); ++item_index) {
+            auto url_format = m_search_engine_combobox->model()->index(item_index, 1).data().to_string();
+            if (url_format == current_search_engine_url) {
+                m_search_engine_combobox->set_selected_index(item_index);
+                found_url = true;
+                break;
+            }
+        }
+
+        if (!found_url) {
+            m_is_custom_search_engine = true;
+            m_custom_search_engine_textbox->set_text(current_search_engine_url);
+            // We assume that "Custom" is the last item
+            m_search_engine_combobox->set_selected_index(m_search_engine_combobox->model()->row_count() - 1);
+            m_custom_search_engine_group->set_enabled(true);
+        } else {
+            m_custom_search_engine_group->set_enabled(false);
+        }
+    }
+
     m_auto_close_download_windows_checkbox = find_descendant_of_type_named<GUI::CheckBox>("auto_close_download_windows_checkbox");
     m_auto_close_download_windows_checkbox->set_checked(Config::read_bool("Browser", "Preferences", "CloseDownloadWidgetOnFinish", false), GUI::AllowCallback::No);
 }
@@ -33,5 +94,15 @@ void BrowserSettingsWidget::apply_settings()
 
     Config::write_bool("Browser", "Preferences", "ShowBookmarksBar", m_show_bookmarks_bar_checkbox->is_checked());
 
+    if (!m_enable_search_engine_checkbox->is_checked()) {
+        Config::write_string("Browser", "Preferences", "SearchEngine", {});
+    } else if (m_is_custom_search_engine) {
+        Config::write_string("Browser", "Preferences", "SearchEngine", m_custom_search_engine_textbox->text());
+    } else {
+        auto selected_index = m_search_engine_combobox->selected_index();
+        auto url = m_search_engine_combobox->model()->index(selected_index, 1).data().to_string();
+        Config::write_string("Browser", "Preferences", "SearchEngine", url);
+    }
+
     Config::write_bool("Browser", "Preferences", "CloseDownloadWidgetOnFinish", m_auto_close_download_windows_checkbox->is_checked());
 }

Userland/Applications/BrowserSettings/BrowserSettingsWidget.gml

@@ -69,6 +69,78 @@
         }
     }
 
+    @GUI::GroupBox {
+        title: "Search Engine"
+        fixed_height: 140
+
+        layout: @GUI::VerticalBoxLayout {
+            margins: [16, 8, 8]
+            spacing: 2
+        }
+
+        @GUI::Widget {
+            layout: @GUI::HorizontalBoxLayout {
+                spacing: 16
+            }
+
+            @GUI::Label {
+                fixed_width: 32
+                fixed_height: 32
+                name: "search_engine_image_label"
+            }
+
+            @GUI::CheckBox {
+                text: "Search using '?' in the URL box"
+                name: "enable_search_engine_checkbox"
+            }
+        }
+
+        @GUI::Widget {
+            layout: @GUI::HorizontalBoxLayout {
+                spacing: 16
+            }
+
+            name: "search_engine_combobox_group"
+
+            @GUI::Widget {
+                fixed_width: 32
+            }
+
+            @GUI::Label {
+                text: "Search engine:"
+                text_alignment: "CenterLeft"
+                fixed_width: 110
+            }
+
+            @GUI::ComboBox {
+                name: "search_engine_combobox"
+            }
+        }
+
+        @GUI::Widget {
+            layout: @GUI::HorizontalBoxLayout {
+                spacing: 16
+            }
+
+            name: "custom_search_engine_group"
+
+            @GUI::Widget {
+                fixed_width: 32
+            }
+
+            @GUI::Label {
+                text: "Enter URL template:"
+                text_alignment: "CenterLeft"
+                fixed_width: 110
+            }
+
+            @GUI::TextBox {
+                name: "custom_search_engine_textbox"
+                placeholder: "https://host/search?q={}"
+            }
+        }
+    }
+
     @GUI::GroupBox {
         title: "Downloads"
         fixed_height: 70

Userland/Applications/BrowserSettings/BrowserSettingsWidget.h

@@ -7,6 +7,7 @@
 #pragma once
 
 #include <LibGUI/CheckBox.h>
+#include <LibGUI/ComboBox.h>
 #include <LibGUI/SettingsWindow.h>
 #include <LibGUI/TextBox.h>
 
@@ -23,4 +24,11 @@ private:
     RefPtr<GUI::TextBox> m_homepage_url_textbox;
     RefPtr<GUI::CheckBox> m_show_bookmarks_bar_checkbox;
     RefPtr<GUI::CheckBox> m_auto_close_download_windows_checkbox;
+
+    bool m_is_custom_search_engine { false };
+    RefPtr<GUI::CheckBox> m_enable_search_engine_checkbox;
+    RefPtr<GUI::Widget> m_search_engine_combobox_group;
+    RefPtr<GUI::ComboBox> m_search_engine_combobox;
+    RefPtr<GUI::Widget> m_custom_search_engine_group;
+    RefPtr<GUI::TextBox> m_custom_search_engine_textbox;
 };

Userland/Applications/BrowserSettings/main.cpp

@@ -19,6 +19,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     Config::pledge_domains("Browser");
 
     TRY(Core::System::unveil("/res", "r"));
+    TRY(Core::System::unveil("/home", "r"));
     TRY(Core::System::unveil(nullptr, nullptr));
 
     auto app_icon = GUI::Icon::default_icon("app-browser");