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Presenter: Disable "Next" and "Previous" actions when non-applicable

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This commit is contained in:
Lucas CHOLLET 2023-01-15 23:10:26 -05:00 committed by Andreas Kling
parent 2372b3b8f9
commit 07f0873531
Notes: sideshowbarker 2024-07-17 06:54:15 +09:00 
Author: https://github.com/LucasChollet
Commit: https://github.com/SerenityOS/serenity/commit/07f0873531
Pull-request: https://github.com/SerenityOS/serenity/pull/17039
2 changed files with 12 additions and 0 deletions
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11
Userland/Applications/Presenter/PresenterWidget.cpp
View File

@ -71,12 +71,14 @@ ErrorOr<void> PresenterWidget::initialize_menubar()
if (m_current_presentation) {
m_current_presentation->next_frame();
update_web_view();
update_slides_actions();
}
});
auto previous_slide_action = GUI::Action::create("&Previous", { KeyCode::Key_Left }, TRY(Gfx::Bitmap::try_load_from_file("/res/icons/16x16/go-back.png"sv)), [this](auto&) {
if (m_current_presentation) {
m_current_presentation->previous_frame();
update_web_view();
update_slides_actions();
}
});
TRY(presentation_menu.try_add_action(next_slide_action));
@ -103,6 +105,14 @@ void PresenterWidget::update_web_view()
m_web_view->run_javascript(DeprecatedString::formatted("goto({}, {})", m_current_presentation->current_slide_number(), m_current_presentation->current_frame_in_slide_number()));
}
void PresenterWidget::update_slides_actions()
{
if (m_current_presentation) {
m_next_slide_action->set_enabled(m_current_presentation->has_a_next_frame());
m_previous_slide_action->set_enabled(m_current_presentation->has_a_previous_frame());
}
}
void PresenterWidget::set_file(StringView file_name)
{
auto presentation = Presentation::load_from_file(file_name);
@ -113,6 +123,7 @@ void PresenterWidget::set_file(StringView file_name)
window()->set_title(DeprecatedString::formatted(title_template, m_current_presentation->title(), m_current_presentation->author()));
set_min_size(m_current_presentation->normative_size());
m_web_view->load_html(MUST(m_current_presentation->render()), "presenter://slide.html"sv);
update_slides_actions();
}
}

1
Userland/Applications/Presenter/PresenterWidget.h
View File

@ -39,6 +39,7 @@ protected:
private:
void update_web_view();
void update_slides_actions();
RefPtr<WebView::OutOfProcessWebView> m_web_view;