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Code Issues Activity Actions

PDFViewer: Add zoom in/out/reset menu actions

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Make PDFViewer::zoom_in() & ::zoom_out() public and add menu and toolbar
actions. Also add an action for zoom reset.
This commit is contained in:
Marcus Nilsson 2022-01-02 21:58:51 +01:00 • committed by Andreas Kling
parent 45085122ee
commit 3af71c406d
4 changed files with 50 additions and 8 deletions
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30
Userland/Applications/PDFViewer/PDFViewerWidget.cpp
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@ -58,6 +58,10 @@ void PDFViewerWidget::initialize_menubar(GUI::Window& window)
auto& view_menu = window.add_menu("&View");
view_menu.add_action(*m_toggle_sidebar_action);
view_menu.add_separator();
view_menu.add_action(*m_zoom_in_action);
view_menu.add_action(*m_zoom_out_action);
view_menu.add_action(*m_reset_zoom_action);
auto& help_menu = window.add_menu("&Help");
help_menu.add_action(GUI::CommonActions::make_about_action("PDF Viewer", GUI::Icon::default_icon("app-pdf-viewer"), &window));
@ -111,6 +115,28 @@ void PDFViewerWidget::create_toolbar()
};
m_total_page_label = toolbar.add<GUI::Label>();
m_total_page_label->set_fixed_width(30);
toolbar.add_separator();
m_zoom_in_action = GUI::CommonActions::make_zoom_in_action([&](auto&) {
m_viewer->zoom_in();
});
m_zoom_out_action = GUI::CommonActions::make_zoom_out_action([&](auto&) {
m_viewer->zoom_out();
});
m_reset_zoom_action = GUI::CommonActions::make_reset_zoom_action([&](auto&) {
m_viewer->reset_zoom();
});
m_zoom_in_action->set_enabled(false);
m_zoom_out_action->set_enabled(false);
m_reset_zoom_action->set_enabled(false);
toolbar.add_action(*m_zoom_in_action);
toolbar.add_action(*m_zoom_out_action);
toolbar.add_action(*m_reset_zoom_action);
}
void PDFViewerWidget::open_file(int fd, String const& path)
@ -131,7 +157,6 @@ void PDFViewerWidget::open_file(int fd, String const& path)
m_viewer->set_document(document);
m_total_page_label->set_text(String::formatted("of {}", document->get_page_count()));
m_total_page_label->set_fixed_width(30);
m_page_text_box->set_enabled(true);
m_page_text_box->set_current_number(1, false);
@ -139,6 +164,9 @@ void PDFViewerWidget::open_file(int fd, String const& path)
m_go_to_prev_page_action->set_enabled(false);
m_go_to_next_page_action->set_enabled(document->get_page_count() > 1);
m_toggle_sidebar_action->set_enabled(true);
m_zoom_in_action->set_enabled(true);
m_zoom_out_action->set_enabled(true);
m_reset_zoom_action->set_enabled(true);
if (document->outline()) {
auto outline = document->outline();