137 lines
4.3 KiB
C++
137 lines
4.3 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#include "window/window_controller.h"
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#include "window/main_window.h"
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#include "mainwidget.h"
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#include "styles/style_window.h"
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#include "styles/style_dialogs.h"
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namespace Window {
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void Controller::enableGifPauseReason(GifPauseReason reason) {
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if (!(_gifPauseReasons & reason)) {
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auto notify = (static_cast<int>(_gifPauseReasons) < static_cast<int>(reason));
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_gifPauseReasons |= reason;
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if (notify) {
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_gifPauseLevelChanged.notify();
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}
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}
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}
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void Controller::disableGifPauseReason(GifPauseReason reason) {
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if (_gifPauseReasons & reason) {
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_gifPauseReasons &= ~qFlags(reason);
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if (static_cast<int>(_gifPauseReasons) < static_cast<int>(reason)) {
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_gifPauseLevelChanged.notify();
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}
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}
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}
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bool Controller::isGifPausedAtLeastFor(GifPauseReason reason) const {
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if (reason == GifPauseReason::Any) {
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return (_gifPauseReasons != 0) || !window()->isActive();
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}
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return (static_cast<int>(_gifPauseReasons) >= 2 * static_cast<int>(reason)) || !window()->isActive();
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}
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int Controller::dialogsSmallColumnWidth() const {
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return st::dialogsPadding.x() + st::dialogsPhotoSize + st::dialogsPadding.x();
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}
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Controller::ColumnLayout Controller::computeColumnLayout() const {
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auto layout = Adaptive::WindowLayout::OneColumn;
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auto bodyWidth = window()->bodyWidget()->width();
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auto dialogsWidth = qRound(bodyWidth * dialogsWidthRatio().value());
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auto chatWidth = bodyWidth - dialogsWidth;
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accumulate_max(chatWidth, st::windowMinWidth);
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dialogsWidth = bodyWidth - chatWidth;
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auto useOneColumnLayout = [this, bodyWidth, dialogsWidth] {
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auto someSectionShown = !App::main()->selectingPeer() && App::main()->isSectionShown();
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if (dialogsWidth < st::dialogsPadding.x() && (Adaptive::OneColumn() || someSectionShown)) {
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return true;
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}
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if (bodyWidth < st::windowMinWidth + st::dialogsWidthMin) {
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return true;
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}
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return false;
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};
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auto useSmallColumnLayout = [this, dialogsWidth] {
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// Used if useOneColumnLayout() == false.
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if (dialogsWidth < st::dialogsWidthMin / 2) {
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return true;
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}
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return false;
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};
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if (useOneColumnLayout()) {
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dialogsWidth = chatWidth = bodyWidth;
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} else if (useSmallColumnLayout()) {
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layout = Adaptive::WindowLayout::SmallColumn;
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auto forceWideDialogs = [this] {
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if (dialogsListDisplayForced().value()) {
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return true;
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} else if (dialogsListFocused().value()) {
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return true;
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}
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return !App::main()->isSectionShown();
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};
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if (forceWideDialogs()) {
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dialogsWidth = st::dialogsWidthMin;
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} else {
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dialogsWidth = dialogsSmallColumnWidth();
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}
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chatWidth = bodyWidth - dialogsWidth;
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} else {
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layout = Adaptive::WindowLayout::Normal;
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accumulate_max(dialogsWidth, st::dialogsWidthMin);
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chatWidth = bodyWidth - dialogsWidth;
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}
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return { bodyWidth, dialogsWidth, chatWidth, layout };
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}
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bool Controller::canProvideChatWidth(int requestedWidth) const {
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auto currentLayout = computeColumnLayout();
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auto extendBy = requestedWidth - currentLayout.chatWidth;
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if (extendBy <= 0) {
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return true;
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}
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return window()->canExtendWidthBy(extendBy);
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}
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void Controller::provideChatWidth(int requestedWidth) {
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auto currentLayout = computeColumnLayout();
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auto extendBy = requestedWidth - currentLayout.chatWidth;
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if (extendBy <= 0) {
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return;
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}
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window()->tryToExtendWidthBy(extendBy);
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auto newLayout = computeColumnLayout();
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if (newLayout.windowLayout != Adaptive::WindowLayout::OneColumn) {
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dialogsWidthRatio().set(float64(newLayout.bodyWidth - requestedWidth) / newLayout.bodyWidth, true);
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}
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}
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} // namespace Window
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