tdesktop/Telegram/SourceFiles/boxes/peer_list_box.h

797 lines
22 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#pragma once
#include <rpl/event_stream.h>
#include "ui/rp_widget.h"
#include "ui/empty_userpic.h"
#include "boxes/abstract_box.h"
#include "mtproto/sender.h"
#include "base/timer.h"
namespace style {
struct PeerList;
struct PeerListItem;
} // namespace style
namespace Ui {
class RippleAnimation;
class RoundImageCheckbox;
class MultiSelect;
template <typename Widget>
class SlideWrap;
class FlatLabel;
struct ScrollToRequest;
class PopupMenu;
} // namespace Ui
namespace Notify {
struct PeerUpdate;
} // namespace Notify
auto PaintUserpicCallback(
not_null<PeerData*> peer,
bool respectSavedMessagesChat)
-> Fn<void(Painter &p, int x, int y, int outerWidth, int size)>;
using PeerListRowId = uint64;
class PeerListRow {
public:
PeerListRow(not_null<PeerData*> peer);
PeerListRow(not_null<PeerData*> peer, PeerListRowId id);
enum class State {
Active,
Disabled,
DisabledChecked,
};
void setDisabledState(State state) {
_disabledState = state;
}
// Checked state is controlled by the box with multiselect,
// not by the row itself, so there is no setChecked() method.
// We can query the checked state from row, but before it is
// added to the box it is always false.
bool checked() const;
not_null<PeerData*> peer() const {
return _peer;
}
PeerListRowId id() const {
return _id;
}
void setCustomStatus(const QString &status);
void clearCustomStatus();
virtual ~PeerListRow();
// Box interface.
virtual int nameIconWidth() const;
virtual void paintNameIcon(
Painter &p,
int x,
int y,
int outerWidth,
bool selected);
virtual QSize actionSize() const {
return QSize();
}
virtual QMargins actionMargins() const {
return QMargins();
}
virtual void addActionRipple(QPoint point, Fn<void()> updateCallback) {
}
virtual void stopLastActionRipple() {
}
virtual void paintAction(
Painter &p,
TimeMs ms,
int x,
int y,
int outerWidth,
bool selected,
bool actionSelected) {
}
void refreshName(const style::PeerListItem &st);
const Text &name() const {
return _name;
}
enum class StatusType {
Online,
LastSeen,
Custom,
};
void refreshStatus();
TimeMs refreshStatusTime() const;
void setAbsoluteIndex(int index) {
_absoluteIndex = index;
}
int absoluteIndex() const {
return _absoluteIndex;
}
bool disabled() const {
return (_disabledState != State::Active);
}
bool isSearchResult() const {
return _isSearchResult;
}
void setIsSearchResult(bool isSearchResult) {
_isSearchResult = isSearchResult;
}
bool isSavedMessagesChat() const {
return _isSavedMessagesChat;
}
void setIsSavedMessagesChat(bool isSavedMessagesChat) {
_isSavedMessagesChat = isSavedMessagesChat;
}
enum class SetStyle {
Animated,
Fast,
};
template <typename UpdateCallback>
void setChecked(
bool checked,
SetStyle style,
UpdateCallback callback) {
if (checked && !_checkbox) {
createCheckbox(std::move(callback));
}
setCheckedInternal(checked, style);
}
void invalidatePixmapsCache();
template <typename UpdateCallback>
void addRipple(
const style::PeerListItem &st,
QSize size,
QPoint point,
UpdateCallback updateCallback);
void stopLastRipple();
void paintRipple(Painter &p, TimeMs ms, int x, int y, int outerWidth);
void paintUserpic(
Painter &p,
const style::PeerListItem &st,
TimeMs ms,
int x,
int y,
int outerWidth);
float64 checkedRatio();
void setNameFirstLetters(const base::flat_set<QChar> &firstLetters) {
_nameFirstLetters = firstLetters;
}
const base::flat_set<QChar> &nameFirstLetters() const {
return _nameFirstLetters;
}
virtual void lazyInitialize(const style::PeerListItem &st);
virtual void paintStatusText(
Painter &p,
const style::PeerListItem &st,
int x,
int y,
int availableWidth,
int outerWidth,
bool selected);
protected:
bool isInitialized() const {
return _initialized;
}
private:
void createCheckbox(Fn<void()> updateCallback);
void setCheckedInternal(bool checked, SetStyle style);
void paintDisabledCheckUserpic(
Painter &p,
const style::PeerListItem &st,
int x,
int y,
int outerWidth) const;
void setStatusText(const QString &text);
PeerListRowId _id = 0;
not_null<PeerData*> _peer;
std::unique_ptr<Ui::RippleAnimation> _ripple;
std::unique_ptr<Ui::RoundImageCheckbox> _checkbox;
Text _name;
Text _status;
StatusType _statusType = StatusType::Online;
TimeMs _statusValidTill = 0;
base::flat_set<QChar> _nameFirstLetters;
int _absoluteIndex = -1;
State _disabledState = State::Active;
bool _initialized : 1;
bool _isSearchResult : 1;
bool _isSavedMessagesChat : 1;
};
enum class PeerListSearchMode {
Disabled,
Enabled,
};
struct PeerListState;
class PeerListDelegate {
public:
virtual void peerListSetTitle(Fn<QString()> title) = 0;
virtual void peerListSetAdditionalTitle(Fn<QString()> title) = 0;
virtual void peerListSetDescription(object_ptr<Ui::FlatLabel> description) = 0;
virtual void peerListSetSearchLoading(object_ptr<Ui::FlatLabel> loading) = 0;
virtual void peerListSetSearchNoResults(object_ptr<Ui::FlatLabel> noResults) = 0;
virtual void peerListSetAboveWidget(object_ptr<TWidget> aboveWidget) = 0;
virtual void peerListSetSearchMode(PeerListSearchMode mode) = 0;
virtual void peerListAppendRow(std::unique_ptr<PeerListRow> row) = 0;
virtual void peerListAppendSearchRow(std::unique_ptr<PeerListRow> row) = 0;
virtual void peerListAppendFoundRow(not_null<PeerListRow*> row) = 0;
virtual void peerListPrependRow(std::unique_ptr<PeerListRow> row) = 0;
virtual void peerListPrependRowFromSearchResult(not_null<PeerListRow*> row) = 0;
virtual void peerListUpdateRow(not_null<PeerListRow*> row) = 0;
virtual void peerListRemoveRow(not_null<PeerListRow*> row) = 0;
virtual void peerListConvertRowToSearchResult(not_null<PeerListRow*> row) = 0;
virtual bool peerListIsRowSelected(not_null<PeerData*> peer) = 0;
virtual void peerListSetRowChecked(not_null<PeerListRow*> row, bool checked) = 0;
virtual not_null<PeerListRow*> peerListRowAt(int index) = 0;
virtual void peerListRefreshRows() = 0;
virtual void peerListScrollToTop() = 0;
virtual int peerListFullRowsCount() = 0;
virtual PeerListRow *peerListFindRow(PeerListRowId id) = 0;
virtual void peerListSortRows(Fn<bool(const PeerListRow &a, const PeerListRow &b)> compare) = 0;
virtual int peerListPartitionRows(Fn<bool(const PeerListRow &a)> border) = 0;
template <typename PeerDataRange>
void peerListAddSelectedRows(PeerDataRange &&range) {
for (auto peer : range) {
peerListAddSelectedRowInBunch(peer);
}
peerListFinishSelectedRowsBunch();
}
virtual int peerListSelectedRowsCount() = 0;
virtual std::vector<not_null<PeerData*>> peerListCollectSelectedRows() = 0;
virtual std::unique_ptr<PeerListState> peerListSaveState() const = 0;
virtual void peerListRestoreState(
std::unique_ptr<PeerListState> state) = 0;
virtual ~PeerListDelegate() = default;
private:
virtual void peerListAddSelectedRowInBunch(not_null<PeerData*> peer) = 0;
virtual void peerListFinishSelectedRowsBunch() = 0;
};
class PeerListSearchDelegate {
public:
virtual void peerListSearchAddRow(not_null<PeerData*> peer) = 0;
virtual void peerListSearchRefreshRows() = 0;
virtual ~PeerListSearchDelegate() = default;
};
class PeerListSearchController {
public:
struct SavedStateBase {
virtual ~SavedStateBase() = default;
};
virtual void searchQuery(const QString &query) = 0;
virtual bool isLoading() = 0;
virtual bool loadMoreRows() = 0;
virtual ~PeerListSearchController() = default;
void setDelegate(not_null<PeerListSearchDelegate*> delegate) {
_delegate = delegate;
}
virtual std::unique_ptr<SavedStateBase> saveState() const {
return nullptr;
}
virtual void restoreState(
std::unique_ptr<SavedStateBase> state) {
}
rpl::lifetime &lifetime() {
return _lifetime;
}
protected:
not_null<PeerListSearchDelegate*> delegate() const {
return _delegate;
}
private:
PeerListSearchDelegate *_delegate = nullptr;
rpl::lifetime _lifetime;
};
class PeerListController : public PeerListSearchDelegate {
public:
struct SavedStateBase {
virtual ~SavedStateBase() = default;
};
// Search works only with RowId == peer->id.
PeerListController(
std::unique_ptr<PeerListSearchController> searchController = {});
void setDelegate(not_null<PeerListDelegate*> delegate) {
_delegate = delegate;
prepare();
}
virtual void prepare() = 0;
virtual void rowClicked(not_null<PeerListRow*> row) = 0;
virtual void rowActionClicked(not_null<PeerListRow*> row) {
}
virtual void loadMoreRows() {
}
virtual void itemDeselectedHook(not_null<PeerData*> peer) {
}
virtual base::unique_qptr<Ui::PopupMenu> rowContextMenu(
QWidget *parent,
not_null<PeerListRow*> row);
bool isSearchLoading() const {
return _searchController ? _searchController->isLoading() : false;
}
virtual std::unique_ptr<PeerListRow> createSearchRow(
not_null<PeerData*> peer) {
return nullptr;
}
virtual std::unique_ptr<PeerListRow> createRestoredRow(
not_null<PeerData*> peer) {
return nullptr;
}
virtual std::unique_ptr<PeerListState> saveState() const;
virtual void restoreState(
std::unique_ptr<PeerListState> state);
bool isRowSelected(not_null<PeerData*> peer) {
return delegate()->peerListIsRowSelected(peer);
}
virtual bool searchInLocal() {
return true;
}
bool hasComplexSearch() const;
void search(const QString &query);
void peerListSearchAddRow(not_null<PeerData*> peer) override;
void peerListSearchRefreshRows() override;
virtual bool respectSavedMessagesChat() const {
return false;
}
virtual rpl::producer<int> onlineCountValue() const;
rpl::lifetime &lifetime() {
return _lifetime;
}
virtual ~PeerListController() = default;
protected:
not_null<PeerListDelegate*> delegate() const {
return _delegate;
}
PeerListSearchController *searchController() const {
return _searchController.get();
}
void setDescriptionText(const QString &text);
void setSearchLoadingText(const QString &text);
void setSearchNoResultsText(const QString &text);
void setDescription(object_ptr<Ui::FlatLabel> description) {
delegate()->peerListSetDescription(std::move(description));
}
void setSearchLoading(object_ptr<Ui::FlatLabel> loading) {
delegate()->peerListSetSearchLoading(std::move(loading));
}
void setSearchNoResults(object_ptr<Ui::FlatLabel> noResults) {
delegate()->peerListSetSearchNoResults(std::move(noResults));
}
private:
PeerListDelegate *_delegate = nullptr;
std::unique_ptr<PeerListSearchController> _searchController = nullptr;
rpl::lifetime _lifetime;
};
struct PeerListState {
PeerListState() = default;
PeerListState(PeerListState &&other) = delete;
PeerListState &operator=(PeerListState &&other) = delete;
std::unique_ptr<PeerListController::SavedStateBase> controllerState;
std::vector<not_null<PeerData*>> list;
std::vector<not_null<PeerData*>> filterResults;
QString searchQuery;
};
class PeerListContent
: public Ui::RpWidget
, private base::Subscriber {
public:
PeerListContent(
QWidget *parent,
not_null<PeerListController*> controller,
const style::PeerList &st);
void selectSkip(int direction);
void selectSkipPage(int height, int direction);
void clearSelection();
void searchQueryChanged(QString query);
void submitted();
// Interface for the controller.
void appendRow(std::unique_ptr<PeerListRow> row);
void appendSearchRow(std::unique_ptr<PeerListRow> row);
void appendFoundRow(not_null<PeerListRow*> row);
void prependRow(std::unique_ptr<PeerListRow> row);
void prependRowFromSearchResult(not_null<PeerListRow*> row);
PeerListRow *findRow(PeerListRowId id);
void updateRow(not_null<PeerListRow*> row) {
updateRow(row, RowIndex());
}
void removeRow(not_null<PeerListRow*> row);
void convertRowToSearchResult(not_null<PeerListRow*> row);
int fullRowsCount() const;
not_null<PeerListRow*> rowAt(int index) const;
void setDescription(object_ptr<Ui::FlatLabel> description);
void setSearchLoading(object_ptr<Ui::FlatLabel> loading);
void setSearchNoResults(object_ptr<Ui::FlatLabel> noResults);
void setAboveWidget(object_ptr<TWidget> aboveWidget);
void refreshRows();
void setSearchMode(PeerListSearchMode mode);
void changeCheckState(not_null<PeerListRow*> row, bool checked, PeerListRow::SetStyle style);
template <typename ReorderCallback>
void reorderRows(ReorderCallback &&callback) {
callback(_rows.begin(), _rows.end());
for (auto &searchEntity : _searchIndex) {
callback(searchEntity.second.begin(), searchEntity.second.end());
}
refreshIndices();
update();
}
std::unique_ptr<PeerListState> saveState() const;
void restoreState(std::unique_ptr<PeerListState> state);
auto scrollToRequests() const {
return _scrollToRequests.events();
}
~PeerListContent();
protected:
int resizeGetHeight(int newWidth) override;
void visibleTopBottomUpdated(
int visibleTop,
int visibleBottom) override;
void paintEvent(QPaintEvent *e) override;
void enterEventHook(QEvent *e) override;
void leaveEventHook(QEvent *e) override;
void mouseMoveEvent(QMouseEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void mouseReleaseEvent(QMouseEvent *e) override;
void contextMenuEvent(QContextMenuEvent *e) override;
private:
void refreshIndices();
void removeRowAtIndex(std::vector<std::unique_ptr<PeerListRow>> &from, int index);
void handleNameChanged(const Notify::PeerUpdate &update);
void invalidatePixmapsCache();
struct RowIndex {
RowIndex() {
}
explicit RowIndex(int value) : value(value) {
}
int value = -1;
};
friend inline bool operator==(RowIndex a, RowIndex b) {
return (a.value == b.value);
}
friend inline bool operator!=(RowIndex a, RowIndex b) {
return !(a == b);
}
struct Selected {
Selected() {
}
Selected(RowIndex index, bool action) : index(index), action(action) {
}
Selected(int index, bool action) : index(index), action(action) {
}
RowIndex index;
bool action = false;
};
friend inline bool operator==(Selected a, Selected b) {
return (a.index == b.index) && (a.action == b.action);
}
friend inline bool operator!=(Selected a, Selected b) {
return !(a == b);
}
struct SelectedSaved {
SelectedSaved(PeerListRowId id, Selected old)
: id(id), old(old) {
}
PeerListRowId id = 0;
Selected old;
};
void setSelected(Selected selected);
void setPressed(Selected pressed);
void setContexted(Selected contexted);
void restoreSelection();
SelectedSaved saveSelectedData(Selected from);
Selected restoreSelectedData(SelectedSaved from);
void selectByMouse(QPoint globalPosition);
void loadProfilePhotos();
void checkScrollForPreload();
void updateRow(not_null<PeerListRow*> row, RowIndex hint);
void updateRow(RowIndex row);
int getRowTop(RowIndex row) const;
PeerListRow *getRow(RowIndex element);
RowIndex findRowIndex(not_null<PeerListRow*> row, RowIndex hint = RowIndex());
QRect getActionRect(not_null<PeerListRow*> row, RowIndex index) const;
TimeMs paintRow(Painter &p, TimeMs ms, RowIndex index);
void addRowEntry(not_null<PeerListRow*> row);
void addToSearchIndex(not_null<PeerListRow*> row);
bool addingToSearchIndex() const;
void removeFromSearchIndex(not_null<PeerListRow*> row);
void setSearchQuery(const QString &query, const QString &normalizedQuery);
bool showingSearch() const {
return !_searchQuery.isEmpty();
}
int shownRowsCount() const {
return showingSearch() ? _filterResults.size() : _rows.size();
}
template <typename Callback>
bool enumerateShownRows(Callback callback);
template <typename Callback>
bool enumerateShownRows(int from, int to, Callback callback);
int rowsTop() const;
int labelHeight() const;
void clearSearchRows();
void clearAllContent();
void handleMouseMove(QPoint globalPosition);
void mousePressReleased(Qt::MouseButton button);
const style::PeerList &_st;
not_null<PeerListController*> _controller;
PeerListSearchMode _searchMode = PeerListSearchMode::Disabled;
int _rowHeight = 0;
int _visibleTop = 0;
int _visibleBottom = 0;
Selected _selected;
Selected _pressed;
Selected _contexted;
bool _mouseSelection = false;
std::optional<QPoint> _lastMousePosition;
Qt::MouseButton _pressButton = Qt::LeftButton;
rpl::event_stream<Ui::ScrollToRequest> _scrollToRequests;
std::vector<std::unique_ptr<PeerListRow>> _rows;
std::map<PeerListRowId, not_null<PeerListRow*>> _rowsById;
std::map<PeerData*, std::vector<not_null<PeerListRow*>>> _rowsByPeer;
std::map<QChar, std::vector<not_null<PeerListRow*>>> _searchIndex;
QString _searchQuery;
QString _normalizedSearchQuery;
QString _mentionHighlight;
std::vector<not_null<PeerListRow*>> _filterResults;
int _aboveHeight = 0;
object_ptr<TWidget> _aboveWidget = { nullptr };
object_ptr<Ui::FlatLabel> _description = { nullptr };
object_ptr<Ui::FlatLabel> _searchNoResults = { nullptr };
object_ptr<Ui::FlatLabel> _searchLoading = { nullptr };
std::vector<std::unique_ptr<PeerListRow>> _searchRows;
base::Timer _repaintByStatus;
base::unique_qptr<Ui::PopupMenu> _contextMenu;
};
class PeerListContentDelegate : public PeerListDelegate {
public:
void setContent(PeerListContent *content) {
_content = content;
}
void peerListAppendRow(
std::unique_ptr<PeerListRow> row) override {
_content->appendRow(std::move(row));
}
void peerListAppendSearchRow(
std::unique_ptr<PeerListRow> row) override {
_content->appendSearchRow(std::move(row));
}
void peerListAppendFoundRow(
not_null<PeerListRow*> row) override {
_content->appendFoundRow(row);
}
void peerListPrependRow(
std::unique_ptr<PeerListRow> row) override {
_content->prependRow(std::move(row));
}
void peerListPrependRowFromSearchResult(
not_null<PeerListRow*> row) override {
_content->prependRowFromSearchResult(row);
}
PeerListRow *peerListFindRow(PeerListRowId id) override {
return _content->findRow(id);
}
void peerListUpdateRow(not_null<PeerListRow*> row) override {
_content->updateRow(row);
}
void peerListRemoveRow(not_null<PeerListRow*> row) override {
_content->removeRow(row);
}
void peerListConvertRowToSearchResult(
not_null<PeerListRow*> row) override {
_content->convertRowToSearchResult(row);
}
void peerListSetRowChecked(
not_null<PeerListRow*> row,
bool checked) override {
_content->changeCheckState(
row,
checked,
PeerListRow::SetStyle::Animated);
}
int peerListFullRowsCount() override {
return _content->fullRowsCount();
}
not_null<PeerListRow*> peerListRowAt(int index) override {
return _content->rowAt(index);
}
void peerListRefreshRows() override {
_content->refreshRows();
}
void peerListSetDescription(object_ptr<Ui::FlatLabel> description) override {
_content->setDescription(std::move(description));
}
void peerListSetSearchLoading(object_ptr<Ui::FlatLabel> loading) override {
_content->setSearchLoading(std::move(loading));
}
void peerListSetSearchNoResults(object_ptr<Ui::FlatLabel> noResults) override {
_content->setSearchNoResults(std::move(noResults));
}
void peerListSetAboveWidget(object_ptr<TWidget> aboveWidget) override {
_content->setAboveWidget(std::move(aboveWidget));
}
void peerListSetSearchMode(PeerListSearchMode mode) override {
_content->setSearchMode(mode);
}
void peerListSortRows(
Fn<bool(const PeerListRow &a, const PeerListRow &b)> compare) override {
_content->reorderRows([&](
auto &&begin,
auto &&end) {
std::sort(begin, end, [&](auto &&a, auto &&b) {
return compare(*a, *b);
});
});
}
int peerListPartitionRows(
Fn<bool(const PeerListRow &a)> border) override {
auto result = 0;
_content->reorderRows([&](
auto &&begin,
auto &&end) {
auto edge = std::stable_partition(begin, end, [&](
auto &&current) {
return border(*current);
});
result = (edge - begin);
});
return result;
}
std::unique_ptr<PeerListState> peerListSaveState() const override {
return _content->saveState();
}
void peerListRestoreState(
std::unique_ptr<PeerListState> state) override {
_content->restoreState(std::move(state));
}
protected:
not_null<PeerListContent*> content() const {
return _content;
}
private:
PeerListContent *_content = nullptr;
};
class PeerListBox
: public BoxContent
, public PeerListContentDelegate {
public:
PeerListBox(
QWidget*,
std::unique_ptr<PeerListController> controller,
Fn<void(not_null<PeerListBox*>)> init);
void peerListSetTitle(Fn<QString()> title) override {
setTitle(std::move(title));
}
void peerListSetAdditionalTitle(
Fn<QString()> title) override {
setAdditionalTitle(std::move(title));
}
void peerListSetSearchMode(PeerListSearchMode mode) override;
void peerListSetRowChecked(
not_null<PeerListRow*> row,
bool checked) override;
bool peerListIsRowSelected(not_null<PeerData*> peer) override;
int peerListSelectedRowsCount() override;
std::vector<not_null<PeerData*>> peerListCollectSelectedRows() override;
void peerListScrollToTop() override;
protected:
void prepare() override;
void setInnerFocus() override;
void keyPressEvent(QKeyEvent *e) override;
void resizeEvent(QResizeEvent *e) override;
void paintEvent(QPaintEvent *e) override;
private:
void peerListAddSelectedRowInBunch(
not_null<PeerData*> peer) override {
addSelectItem(peer, PeerListRow::SetStyle::Fast);
}
void peerListFinishSelectedRowsBunch() override;
void addSelectItem(
not_null<PeerData*> peer,
PeerListRow::SetStyle style);
void createMultiSelect();
int getTopScrollSkip() const;
void updateScrollSkips();
void searchQueryChanged(const QString &query);
object_ptr<Ui::SlideWrap<Ui::MultiSelect>> _select = { nullptr };
std::unique_ptr<PeerListController> _controller;
Fn<void(PeerListBox*)> _init;
bool _scrollBottomFixed = false;
};