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https://github.com/LadybirdBrowser/ladybird.git
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115 lines
3.2 KiB
C++
115 lines
3.2 KiB
C++
#include <LibGUI/AboutDialog.h>
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#include <LibGUI/Action.h>
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#include <LibGUI/Application.h>
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/Frame.h>
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#include <LibGUI/Menu.h>
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#include <LibGUI/MenuBar.h>
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#include <LibGUI/Painter.h>
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#include <LibGUI/Widget.h>
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#include <LibGUI/Window.h>
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#include <LibGfx/Bitmap.h>
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static unsigned s_mouse_button_state;
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class MouseButtonIndicator final : public GUI::Frame {
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C_OBJECT(MouseButtonIndicator);
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public:
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virtual ~MouseButtonIndicator() {}
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private:
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virtual void paint_event(GUI::PaintEvent& event) override
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{
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Frame::paint_event(event);
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GUI::Painter painter(*this);
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painter.add_clip_rect(event.rect());
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Color background_color;
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Color foreground_color;
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if (s_mouse_button_state & m_button) {
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background_color = Color::Black;
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foreground_color = Color::White;
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} else {
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background_color = Color::White;
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foreground_color = Color::Black;
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}
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painter.fill_rect(frame_inner_rect(), background_color);
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painter.draw_text(frame_inner_rect(), m_name, Gfx::TextAlignment::Center, foreground_color);
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}
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void mousedown_event(GUI::MouseEvent& event) override
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{
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event.ignore();
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}
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void mouseup_event(GUI::MouseEvent& event) override
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{
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event.ignore();
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}
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MouseButtonIndicator(const String& name, GUI::MouseButton button)
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: m_name(name)
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, m_button(button)
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{
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}
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String m_name;
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GUI::MouseButton m_button;
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};
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class MainWidget final : public GUI::Widget {
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C_OBJECT(MainWidget);
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public:
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void mousedown_event(GUI::MouseEvent& event) override
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{
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s_mouse_button_state = event.buttons();
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update();
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Widget::mousedown_event(event);
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}
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void mouseup_event(GUI::MouseEvent& event) override
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{
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s_mouse_button_state = event.buttons();
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update();
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Widget::mouseup_event(event);
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}
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private:
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MainWidget() {}
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};
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int main(int argc, char** argv)
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{
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GUI::Application app(argc, argv);
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auto window = GUI::Window::construct();
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window->set_title("Mouse button demo");
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auto& main_widget = window->set_main_widget<MainWidget>();
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main_widget.set_fill_with_background_color(true);
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main_widget.set_layout<GUI::VerticalBoxLayout>();
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main_widget.add<MouseButtonIndicator>("Left", GUI::MouseButton::Left);
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main_widget.add<MouseButtonIndicator>("Middle", GUI::MouseButton::Middle);
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main_widget.add<MouseButtonIndicator>("Right", GUI::MouseButton::Right);
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main_widget.add<MouseButtonIndicator>("Back", GUI::MouseButton::Back);
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main_widget.add<MouseButtonIndicator>("Forward", GUI::MouseButton::Forward);
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auto menubar = GUI::MenuBar::construct();
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auto& app_menu = menubar->add_menu("Mouse Demo");
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app_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) { app.quit(); }));
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auto& help_menu = menubar->add_menu("Help");
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help_menu.add_action(GUI::Action::create("About", [&](auto&) {
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GUI::AboutDialog::show("Mouse Demo", Gfx::Bitmap::load_from_file("/res/icons/32x32/app-mouse.png"), window);
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}));
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app.set_menubar(move(menubar));
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window->show();
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return app.exec();
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}
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