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{ "id": 16957, "url": "https://patchwork.libcamera.org/api/patches/16957/?format=api", "web_url": "https://patchwork.libcamera.org/patch/16957/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/projects/1/?format=api", "name": "libcamera", "link_name": "libcamera", "list_id": "libcamera_core", "list_email": "libcamera-devel@lists.libcamera.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20220803175517.175332-3-utkarsh02t@gmail.com>", "date": "2022-08-03T17:55:15", "name": "[libcamera-devel,2/4] qcam: Support Hotplug for Camera Selection Dialog", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "343d60bd57434f314a2238ac8303dd9d28074ee3", "submitter": { "id": 114, "url": "https://patchwork.libcamera.org/api/people/114/?format=api", "name": "Utkarsh Tiwari", "email": "utkarsh02t@gmail.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/16957/mbox/", "series": [ { "id": 3370, "url": "https://patchwork.libcamera.org/api/series/3370/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3370", "date": "2022-08-03T17:55:13", "name": "Improve Camera Selection GUI in QCam", "version": 1, "mbox": "https://patchwork.libcamera.org/series/3370/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/16957/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/16957/checks/", "tags": {}, "headers": { "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>", "X-Original-To": "parsemail@patchwork.libcamera.org", "Delivered-To": "parsemail@patchwork.libcamera.org", "Received": [ "from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 8E8A3C3272\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed, 3 Aug 2022 17:55:32 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 5403263314;\n\tWed, 3 Aug 2022 19:55:32 +0200 (CEST)", "from mail-pl1-x632.google.com (mail-pl1-x632.google.com\n\t[IPv6:2607:f8b0:4864:20::632])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 71FC16330F\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 3 Aug 2022 19:55:29 +0200 (CEST)", "by mail-pl1-x632.google.com with SMTP id m2so10317455pls.4\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 03 Aug 2022 10:55:29 -0700 (PDT)", "from localhost.localdomain ([2404:bd00:3:d5b8:ad21:c99c:170f:1ae])\n\tby smtp.gmail.com with ESMTPSA id\n\tf3-20020a170902860300b0016357fd0fd1sm2193343plo.69.2022.08.03.10.55.26\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tWed, 03 Aug 2022 10:55:27 -0700 (PDT)" ], "DKIM-Signature": [ "v=1; 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\n\tWed, 03 Aug 2022 10:55:27 -0700 (PDT)", "To": "libcamera-devel@lists.libcamera.org", "Date": "Wed, 3 Aug 2022 23:25:15 +0530", "Message-Id": "<20220803175517.175332-3-utkarsh02t@gmail.com>", "X-Mailer": "git-send-email 2.25.1", "In-Reply-To": "<20220803175517.175332-1-utkarsh02t@gmail.com>", "References": "<20220803175517.175332-1-utkarsh02t@gmail.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Subject": "[libcamera-devel] [PATCH 2/4] qcam: Support Hotplug for Camera\n\tSelection Dialog", "X-BeenThere": "libcamera-devel@lists.libcamera.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<libcamera-devel.lists.libcamera.org>", "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>", "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>", "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>", "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>", "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>", "From": "Utkarsh Tiwari via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>", "Reply-To": "Utkarsh Tiwari <utkarsh02t@gmail.com>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Currently if there is HotPlug event when the user is on the Camera\nselection dialog, the QComboBox didn't update to reflect the change.\n\nIf the cameraIdComboBox_ contains a valid QComboBox then update it to\nreflect the HotPlug change. Check the validity of QComboBox pointer by\nguarding it with a QPointer.\n\nSigned-off-by: Utkarsh Tiwari <utkarsh02t@gmail.com>\n---\n src/qcam/main_window.cpp | 23 +++++++++++++++--------\n src/qcam/main_window.h | 4 ++++\n 2 files changed, 19 insertions(+), 8 deletions(-)", "diff": "diff --git a/src/qcam/main_window.cpp b/src/qcam/main_window.cpp\nindex 7761a6c6..80a73b68 100644\n--- a/src/qcam/main_window.cpp\n+++ b/src/qcam/main_window.cpp\n@@ -293,18 +293,15 @@ void MainWindow::switchCamera(int index)\n \n std::string MainWindow::chooseCamera()\n {\n-\tQStringList cameras;\n \tstd::string result;\n \n \t/* Present a dialog box to pick a camera. */\n \tQDialog *cameraSelectDialog = new QDialog(this);\n \n \t/* Setup a QComboBox to display camera Ids. */\n+\tcameraIdComboBox_ = new QComboBox;\n \tfor (const std::shared_ptr<Camera> &cam : cm_->cameras())\n-\t\tcameras.push_back(QString::fromStdString(cam->id()));\n-\n-\tQComboBox *cameraIdComboBox = new QComboBox;\n-\tcameraIdComboBox->addItems(cameras);\n+\t\tcameraIdComboBox_->addItem(QString::fromStdString(cam->id()));\n \n \t/* Setup QDialogButtonBox. */\n \tQDialogButtonBox *dialogButtonBox = new QDialogButtonBox;\n@@ -313,7 +310,7 @@ std::string MainWindow::chooseCamera()\n \n \tconnect(dialogButtonBox, &QDialogButtonBox::accepted,\n \t\tthis, [&]() {\n-\t\t\tresult = cameraIdComboBox->currentText().toStdString();\n+\t\t\tresult = cameraIdComboBox_->currentText().toStdString();\n \t\t\tcameraSelectDialog->accept();\n \t\t});\n \n@@ -325,7 +322,7 @@ std::string MainWindow::chooseCamera()\n \n \t/* Setup the layout for the dialog. */\n \tQFormLayout *cameraSelectLayout = new QFormLayout(cameraSelectDialog);\n-\tcameraSelectLayout->addRow(\"Camera: \", cameraIdComboBox);\n+\tcameraSelectLayout->addRow(\"Camera: \", cameraIdComboBox_);\n \tcameraSelectLayout->addWidget(dialogButtonBox);\n \n \tcameraSelectDialog->exec();\n@@ -628,7 +625,12 @@ void MainWindow::processHotplug(HotplugEvent *e)\n \tHotplugEvent::PlugEvent event = e->hotplugEvent();\n \n \tif (event == HotplugEvent::HotPlug) {\n-\t\tcameraCombo_->addItem(QString::fromStdString(camera->id()));\n+\t\tQString cameraId = QString::fromStdString(camera->id());\n+\t\tcameraCombo_->addItem(cameraId);\n+\n+\t\t/* Update cameraIdCombox_ to include the new camera. */\n+\t\tif (cameraIdComboBox_)\n+\t\t\tcameraIdComboBox_->addItem(cameraId);\n \t} else if (event == HotplugEvent::HotUnplug) {\n \t\t/* Check if the currently-streaming camera is removed. */\n \t\tif (camera == camera_.get()) {\n@@ -638,6 +640,11 @@ void MainWindow::processHotplug(HotplugEvent *e)\n \t\t\tcameraCombo_->setCurrentIndex(0);\n \t\t}\n \n+\t\tif (cameraIdComboBox_) {\n+\t\t\tint cameraIdIndex = cameraIdComboBox_->findText(QString::fromStdString(camera_->id()));\n+\t\t\tcameraIdComboBox_->removeItem(cameraIdIndex);\n+\t\t}\n+\n \t\tint camIndex = cameraCombo_->findText(QString::fromStdString(camera->id()));\n \t\tcameraCombo_->removeItem(camIndex);\n \t}\ndiff --git a/src/qcam/main_window.h b/src/qcam/main_window.h\nindex fc70920f..b8122eb9 100644\n--- a/src/qcam/main_window.h\n+++ b/src/qcam/main_window.h\n@@ -23,7 +23,9 @@\n #include <QMainWindow>\n #include <QMutex>\n #include <QObject>\n+#include <QPointer>\n #include <QQueue>\n+#include <QStringList>\n #include <QTimer>\n \n #include \"../cam/stream_options.h\"\n@@ -99,6 +101,8 @@ private:\n \tQString title_;\n \tQTimer titleTimer_;\n \n+\tQPointer<QComboBox> cameraIdComboBox_;\n+\n \t/* Options */\n \tconst OptionsParser::Options &options_;\n \n", "prefixes": [ "libcamera-devel", "2/4" ] }