refs #335, managed status bar

* auto init if required * auto clear (timer based) if required * to be used in floating widgets
2026-04-01 13:36:48 +08:00 · 2014-11-05 16:58:11 +01:00
parent ffc9cc1b77
commit 718965d78d
2 changed files with 195 additions and 0 deletions
--- a/src/blackgui/managedstatusbar.cpp
+++ b/src/blackgui/managedstatusbar.cpp
@@ -0,0 +1,123 @@
+/* Copyright (C) 2014
+ * swift project Community / Contributors
+ *
+ * This file is part of swift Project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#include "managedstatusbar.h"
+#include <QLayout>
+
+using namespace BlackMisc;
+
+namespace BlackGui
+{
+
+    CManagedStatusBar::CManagedStatusBar(QObject *parent) : QObject(parent)
+    {
+        this->setObjectName("qo_ManagedStatusBar");
+    }
+
+    CManagedStatusBar::~CManagedStatusBar()
+    {
+        // we are not necessarily the owner of the status bar
+        this->m_statusBar->removeWidget(this->m_statusBarLabel);
+        this->m_statusBar->removeWidget(this->m_statusBarIcon);
+
+        // labels will be deleted with status bar
+        if (this->m_ownStatusBar) { delete m_statusBar; }
+    }
+
+    void CManagedStatusBar::initStatusBar(QStatusBar *statusBar)
+    {
+        if (this->m_statusBar) { return; }
+        this->m_ownStatusBar = statusBar ? false : true;
+        this->m_statusBar = statusBar ? statusBar : new QStatusBar();
+        if (this->m_statusBar->objectName().isEmpty()) { this->m_statusBar->setObjectName("sb_ManagedStatusBar"); }
+
+        this->m_statusBarIcon = new QLabel(this->m_statusBar);
+        this->m_statusBarLabel = new QLabel(this->m_statusBar);
+        this->m_statusBarLabel->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
+        this->m_statusBarIcon->setObjectName(QString("lbl_StatusBarIcon").append(this->m_statusBar->objectName()));
+        this->m_statusBarLabel->setObjectName(QString("lbl_StatusBarLabel").append(this->m_statusBar->objectName()));
+
+        // use insert to insert from left to right
+        // this keeps any grip on the right size
+        this->m_statusBar->insertPermanentWidget(0, this->m_statusBarIcon, 0);
+        this->m_statusBar->insertPermanentWidget(1, this->m_statusBarLabel, 1);
+
+        // timer
+        this->m_timerStatusBar = new QTimer(this);
+        this->m_timerStatusBar->setSingleShot(true);
+        connect(this->m_timerStatusBar, &QTimer::timeout, this, &CManagedStatusBar::ps_clearStatusBar);
+
+        // done when injected status bar
+        if (this->m_ownStatusBar)
+        {
+            // self created status bar
+            QSizePolicy sizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
+            sizePolicy.setHorizontalStretch(0);
+            sizePolicy.setVerticalStretch(0);
+            sizePolicy.setHeightForWidth(this->m_statusBar->sizePolicy().hasHeightForWidth());
+
+            this->m_statusBar->setSizePolicy(sizePolicy);
+            this->m_statusBar->setSizeGripEnabled(false);
+        }
+    }
+
+    void CManagedStatusBar::show()
+    {
+        if (!this->m_statusBar) { return; }
+        this->m_statusBar->show();
+    }
+
+    void CManagedStatusBar::hide()
+    {
+        if (!this->m_statusBar) { return; }
+        this->m_statusBar->hide();
+
+        // reset minimum width
+        if (this->m_ownStatusBar)
+        {
+            this->m_statusBar->setMinimumWidth(50);
+        }
+    }
+
+    void CManagedStatusBar::displayStatusMessage(const CStatusMessage &statusMessage)
+    {
+        if (statusMessage.isRedundant()) { return; }
+        if (statusMessage.wasHandledBy(this)) { return; }
+        statusMessage.markAsHandledBy(this);
+
+        this->show();
+        this->m_timerStatusBar->start(3000); // start / restart
+        this->m_statusBarIcon->setPixmap(statusMessage.toPixmap());
+        this->m_statusBarLabel->setText(statusMessage.getMessage());
+
+        // restrict size for own status bars
+        if (this->m_ownStatusBar)
+        {
+            QSize size = this->m_statusBar->window()->size();
+            int w = qRound(0.95 * size.width());
+            this->m_statusBar->setMaximumWidth(w);
+        }
+    }
+
+    void CManagedStatusBar::displayStatusMessages(const BlackMisc::CStatusMessageList &statusMessages)
+    {
+        foreach(CStatusMessage m, statusMessages)
+        {
+            displayStatusMessage(m);
+        }
+    }
+
+    void CManagedStatusBar::ps_clearStatusBar()
+    {
+        if (!this->m_statusBar) { return; }
+        this->m_statusBarIcon->clear();
+        this->m_statusBarLabel->clear();
+    }
+
+} // namespace