Add auto resizable input dialog class

2025-12-19 15:07:22 -06:00 · 2013-07-18 19:55:51 +04:00
parent 13cd42f053
commit e028fa9be0
4 changed files with 272 additions and 3 deletions
--- a/src/autoexpandabledialog.cpp
+++ b/src/autoexpandabledialog.cpp
@@ -0,0 +1,89 @@
+/*
+ * Bittorrent Client using Qt4 and libtorrent.
+ * Copyright (C) 2013  Nick Tiskov
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ *
+ * Contact : daymansmail@gmail.com
+ */
+
+#include <QDesktopWidget>
+
+#include "autoexpandabledialog.h"
+#include "ui_autoexpandabledialog.h"
+
+AutoExpandableDialog::AutoExpandableDialog(QWidget *parent) : QDialog(parent), ui(new Ui::AutoExpandableDialog) {
+  ui->setupUi(this);
+}
+
+AutoExpandableDialog::~AutoExpandableDialog() {
+  delete ui;
+}
+
+QString AutoExpandableDialog::getText(QWidget *parent, const QString &title, const QString &label,
+                                      QLineEdit::EchoMode mode, const QString &text, bool *ok,
+                                      Qt::InputMethodHints inputMethodHints) {
+
+  AutoExpandableDialog d(parent);
+  d.setWindowTitle(title);
+  d.ui->textLabel->setText(label);
+  d.ui->textEdit->setText(text);
+  d.ui->textEdit->setEchoMode(mode);
+  d.ui->textEdit->setInputMethodHints(inputMethodHints);
+
+  int textW = d.ui->textEdit->fontMetrics().width(text) + 4;
+  int screenW = QApplication::desktop()->width() / 4;
+  int wd = textW;
+
+  if (!title.isEmpty()) {
+    int _w = d.fontMetrics().width(title);
+    if (_w > wd)
+      wd = _w;
+  }
+
+  if (!label.isEmpty()) {
+    int _w = d.ui->textLabel->fontMetrics().width(label);
+    if (_w > wd)
+      wd = _w;
+  }
+
+
+  // Now resize the dialog to fit the contents
+  // Maximum value is whichever is smaller:
+  // 1. screen width / 4
+  // 2. max width of text from either of: label, title, textedit
+  // If the value is less than dialog default size default size is used
+  wd = textW < screenW ? textW : screenW;
+  if (wd > d.width())
+    d.resize(d.width() - d.ui->horizontalLayout->sizeHint().width() + wd, d.height());
+
+  bool res = d.exec();
+  if (ok)
+    *ok = res;
+
+  if (!res)
+    return QString();
+
+  return d.ui->textEdit->text();
+}