e11d177618
This allows for typing [8] instead of [8, 8, 8, 8] to specify the same margin on all edges, for example. The constructors follow CSS' style of specifying margins. The added constructors are: - Margins(int all): Sets the same margin on all edges. - Margins(int vertical, int horizontal): Sets the first argument to top and bottom margins, and the second argument to left and right margins. - Margins(int top, int vertical, int bottom): Sets the first argument to the top margin, the second argument to the left and right margins, and the third argument to the bottom margin.
152 lines
3.9 KiB
C++
152 lines
3.9 KiB
C++
/*
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* Copyright (c) 2021, Nick Vella <nick@nxk.io>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/Button.h>
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#include <LibGUI/SeparatorWidget.h>
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#include <LibGUI/Widget.h>
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#include <LibGUI/Wizards/AbstractWizardPage.h>
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#include <LibGUI/Wizards/WizardDialog.h>
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#include <LibGfx/Orientation.h>
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#include <LibGfx/SystemTheme.h>
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namespace GUI {
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WizardDialog::WizardDialog(Window* parent_window)
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: Dialog(parent_window)
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, m_page_stack()
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{
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resize(500, 360);
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set_title(String::formatted("Sample wizard"));
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set_resizable(false);
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if (parent_window)
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set_icon(parent_window->icon());
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auto& main_widget = set_main_widget<Widget>();
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main_widget.set_fill_with_background_color(true);
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main_widget.set_layout<VerticalBoxLayout>();
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main_widget.layout()->set_spacing(0);
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m_page_container_widget = main_widget.add<Widget>();
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m_page_container_widget->set_fixed_size(500, 315);
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m_page_container_widget->set_layout<VerticalBoxLayout>();
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auto& separator = main_widget.add<SeparatorWidget>(Gfx::Orientation::Horizontal);
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separator.set_fixed_height(2);
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auto& nav_container_widget = main_widget.add<Widget>();
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nav_container_widget.set_layout<HorizontalBoxLayout>();
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nav_container_widget.set_fixed_height(42);
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nav_container_widget.layout()->set_margins({ 0, 10 });
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nav_container_widget.layout()->set_spacing(0);
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nav_container_widget.layout()->add_spacer();
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m_back_button = nav_container_widget.add<Button>("< Back");
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m_back_button->set_fixed_width(75);
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m_back_button->on_click = [&](auto) {
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pop_page();
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};
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m_next_button = nav_container_widget.add<Button>("Next >");
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m_next_button->set_fixed_width(75);
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m_next_button->on_click = [&](auto) {
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VERIFY(has_pages());
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if (!current_page().can_go_next())
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return done(ExecOK);
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auto next_page = current_page().next_page();
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if (!next_page)
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return done(ExecOK);
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push_page(*next_page);
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};
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auto& button_spacer = nav_container_widget.add<Widget>();
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button_spacer.set_fixed_width(10);
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m_cancel_button = nav_container_widget.add<Button>("Cancel");
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m_cancel_button->set_fixed_width(75);
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m_cancel_button->on_click = [&](auto) {
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handle_cancel();
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};
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update_navigation();
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}
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WizardDialog::~WizardDialog()
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{
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}
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void WizardDialog::push_page(AbstractWizardPage& page)
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{
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if (!m_page_stack.is_empty())
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m_page_stack.last().page_leave();
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m_page_stack.append(page);
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m_page_container_widget->remove_all_children();
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m_page_container_widget->add_child(page);
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update_navigation();
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page.page_enter();
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}
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void WizardDialog::replace_page(AbstractWizardPage& page)
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{
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if (!m_page_stack.is_empty())
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m_page_stack.take_last()->page_leave();
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m_page_stack.append(page);
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m_page_container_widget->remove_all_children();
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m_page_container_widget->add_child(page);
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update_navigation();
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page.page_enter();
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}
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void WizardDialog::pop_page()
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{
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if (m_page_stack.size() <= 1)
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return;
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auto page = m_page_stack.take_last();
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page->page_leave();
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m_page_container_widget->remove_all_children();
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m_page_container_widget->add_child(m_page_stack.last());
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update_navigation();
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m_page_stack.last().page_enter();
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}
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void WizardDialog::update_navigation()
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{
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m_back_button->set_enabled(m_page_stack.size() > 1);
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if (has_pages()) {
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m_next_button->set_enabled(current_page().is_final_page() || current_page().can_go_next());
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m_next_button->set_text(current_page().is_final_page() ? "Finish" : "Next >");
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} else {
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m_next_button->set_text("Next >");
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m_next_button->set_enabled(false);
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}
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}
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AbstractWizardPage& WizardDialog::current_page()
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{
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VERIFY(has_pages());
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return m_page_stack.last();
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}
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void WizardDialog::handle_cancel()
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{
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if (on_cancel)
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return on_cancel();
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done(ExecCancel);
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}
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}
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