From e9d163b1a811ee4f02e898bc7c2e6336d88e4a7f Mon Sep 17 00:00:00 2001 From: Sine Striker <trueful@163.com> Date: 周日, 28 7月 2024 18:09:03 +0800 Subject: [PATCH] Make hit-test items auto-delete --- src/core/contexts/abstractwindowcontext.cpp | 79 ++++++++++++++++++++++++++++++++++----- 1 files changed, 68 insertions(+), 11 deletions(-) diff --git a/src/core/contexts/abstractwindowcontext.cpp b/src/core/contexts/abstractwindowcontext.cpp index 71818c2..f838064 100644 --- a/src/core/contexts/abstractwindowcontext.cpp +++ b/src/core/contexts/abstractwindowcontext.cpp @@ -26,16 +26,27 @@ notifyWinIdChange(); } - bool AbstractWindowContext::setHitTestVisible(const QObject *obj, bool visible) { + bool AbstractWindowContext::setHitTestVisible(QObject *obj, bool visible) { Q_ASSERT(obj); if (!obj) { return false; } + auto it = m_hitTestVisibleItems.find(obj); if (visible) { + if (it != m_hitTestVisibleItems.end()) { + return true; + } + connect(obj, &QObject::destroyed, this, + &AbstractWindowContext::_q_hitTestVisibleItemDestroyed); m_hitTestVisibleItems.insert(obj); } else { - m_hitTestVisibleItems.remove(obj); + if (it == m_hitTestVisibleItems.end()) { + return false; + } + disconnect(obj, &QObject::destroyed, this, + &AbstractWindowContext::_q_hitTestVisibleItemDestroyed); + m_hitTestVisibleItems.erase(it); } return true; } @@ -47,8 +58,18 @@ return false; } - if (m_systemButtons[button] == obj) { - return false; + auto org = m_systemButtons[button]; + if (org == obj) { + return true; + } + + if (org) { + disconnect(org, &QObject::destroyed, this, + &AbstractWindowContext::_q_systemButtonDestroyed); + } + if (obj) { + connect(obj, &QObject::destroyed, this, + &AbstractWindowContext::_q_systemButtonDestroyed); } m_systemButtons[button] = obj; return true; @@ -56,18 +77,20 @@ bool AbstractWindowContext::setTitleBar(QObject *item) { Q_ASSERT(item); - if (m_titleBar == item) { + auto org = m_titleBar; + if (org == item) { return false; } - if (m_titleBar) { + if (org) { // Since the title bar is changed, all items inside it should be dereferenced right away - for (auto &button : m_systemButtons) { - button = nullptr; - } - m_hitTestVisibleItems.clear(); + removeSystemButtonsAndHitTestItems(); + disconnect(org, &QObject::destroyed, this, + &AbstractWindowContext::_q_titleBarDistroyed); } - + if (item) { + connect(item, &QObject::destroyed, this, &AbstractWindowContext::_q_titleBarDistroyed); + } m_titleBar = item; return true; } @@ -278,4 +301,38 @@ return false; } + void AbstractWindowContext::removeSystemButtonsAndHitTestItems() { + for (auto &button : m_systemButtons) { + if (!button) { + continue; + } + disconnect(button, &QObject::destroyed, this, + &AbstractWindowContext::_q_systemButtonDestroyed); + button = nullptr; + } + for (auto &item : m_hitTestVisibleItems) { + disconnect(item, &QObject::destroyed, this, + &AbstractWindowContext::_q_hitTestVisibleItemDestroyed); + } + m_hitTestVisibleItems.clear(); + } + + void AbstractWindowContext::_q_titleBarDistroyed(QObject *obj) { + Q_UNUSED(obj) + removeSystemButtonsAndHitTestItems(); + m_titleBar = nullptr; + } + + void AbstractWindowContext::_q_hitTestVisibleItemDestroyed(QObject *obj) { + m_hitTestVisibleItems.remove(obj); + } + + void AbstractWindowContext::_q_systemButtonDestroyed(QObject *obj) { + for (auto &item : m_systemButtons) { + if (item == obj) { + item = nullptr; + } + } + } + } -- Gitblit v1.9.1