0459e12760
Rename AbstractButton's page-tab flag to list-item (setIsListItem / isListItem), so a flagged button reports the ListItem role instead of PageTab - mirroring how the menu-button flag maps to ButtonMenu. A list of items matches NVDA's native single-selection list behaviour better than a tab control for the chat-folders strip. Add an explicit opt-in, RpWidget::accessibilitySelectionList() (default false), for a single-selection list whose accessible focus tracks its selected item. When set, Ui::Accessible::Widget exposes QAccessibleSelectionInterface and forwards container SetFocus/focusChild to the selected child - keyed on the opt-in, NOT on the List role, so plain lists (e.g. message history, which keeps focus and selection separate) are unaffected and don't advertise a single-selection interface whose clear()/unselect()/selectAll() always fail. select() invokes pressAction() - a list item only implements pressAction, not the toggleAction() Qt's default ListItem path would call - and rejects items that are not selectable, so a locked folder is never claimed as a successful selection. A locked folder reports selectable = false.
142 lines
3.4 KiB
C++
142 lines
3.4 KiB
C++
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/blob/master/LEGAL
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//
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#pragma once
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#include <rpl/event_stream.h>
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#include "ui/rp_widget.h"
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#include "base/flags.h"
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namespace Ui {
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class AbstractButton : public RpWidget {
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public:
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AbstractButton(QWidget *parent);
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[[nodiscard]] Qt::KeyboardModifiers clickModifiers() const {
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return _modifiers;
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}
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void setDisabled(bool disabled = true);
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virtual void clearState();
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[[nodiscard]] bool isOver() const {
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return _state & StateFlag::Over;
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}
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[[nodiscard]] bool isDown() const {
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return _state & StateFlag::Down;
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}
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[[nodiscard]] bool isDisabled() const {
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return _state & StateFlag::Disabled;
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}
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void setSynteticOver(bool over) {
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setOver(over, StateChangeSource::ByPress);
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}
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void setSynteticDown(bool down, Qt::MouseButton button = Qt::LeftButton) {
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setDown(down, StateChangeSource::ByPress, {}, button);
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}
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void setPointerCursor(bool enablePointerCursor);
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void setAcceptBoth(bool acceptBoth = true, bool triggerOnPress = false);
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void setClickedCallback(Fn<void()> callback) {
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_clickedCallback = std::move(callback);
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}
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rpl::producer<Qt::MouseButton> clicks() const {
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return _clicks.events();
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}
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template <typename Handler>
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void addClickHandler(Handler &&handler) {
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clicks(
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) | rpl::on_next(
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std::forward<Handler>(handler),
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lifetime());
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}
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void clicked(Qt::KeyboardModifiers modifiers, Qt::MouseButton button);
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void setIsMenuButton(bool value) {
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_menuButton = value;
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}
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void setIsListItem(bool value) {
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_listItem = value;
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}
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[[nodiscard]] bool isListItem() const {
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return _listItem;
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}
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QAccessible::Role accessibilityRole() override {
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return _listItem
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? QAccessible::ListItem
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: _menuButton
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? QAccessible::ButtonMenu
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: QAccessible::Button;
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}
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AccessibilityState accessibilityState() const override;
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void accessibilityDoAction(const QString &name) override;
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protected:
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void enterEventHook(QEnterEvent *e) override;
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void leaveEventHook(QEvent *e) override;
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void mousePressEvent(QMouseEvent *e) override;
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void mouseMoveEvent(QMouseEvent *e) override;
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void mouseReleaseEvent(QMouseEvent *e) override;
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void keyPressEvent(QKeyEvent *e) override;
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void keyReleaseEvent(QKeyEvent *e) override;
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protected:
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enum class StateFlag {
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None = 0,
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Over = (1 << 0),
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Down = (1 << 1),
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Disabled = (1 << 2),
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};
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friend constexpr bool is_flag_type(StateFlag) { return true; };
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using State = base::flags<StateFlag>;
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State state() const {
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return _state;
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}
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enum class StateChangeSource {
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ByUser = 0x00,
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ByPress = 0x01,
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ByHover = 0x02,
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};
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void setOver(bool over, StateChangeSource source = StateChangeSource::ByUser);
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bool setDown(
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bool down,
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StateChangeSource source,
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Qt::KeyboardModifiers modifiers,
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Qt::MouseButton button);
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virtual void onStateChanged(State was, StateChangeSource source) {
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}
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private:
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void updateCursor();
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void checkIfOver(QPoint localPos);
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[[nodiscard]] bool isSubmitEvent(not_null<QKeyEvent*> e) const;
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State _state = StateFlag::None;
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Qt::KeyboardModifiers _modifiers;
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bool _enablePointerCursor : 1 = true;
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bool _pointerCursor : 1 = false;
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bool _acceptBoth : 1 = false;
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bool _triggerOnPress : 1 = false;
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bool _menuButton : 1 = false;
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bool _listItem : 1 = false;
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Fn<void()> _clickedCallback;
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rpl::event_stream<Qt::MouseButton> _clicks;
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};
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} // namespace Ui
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