More precise program and memory tableviews column width calculation.

This should resolve text elide problem experienced
on some combination of desktop/fonts setting.

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>

1 files changed, 50 insertions, 0 deletions

diff --git a/qtmips_gui/hinttabledelegate.cpp b/qtmips_gui/hinttabledelegate.cpp
new file mode 100644
index 0000000..a8b0af4
--- /dev/null
+++ b/qtmips_gui/hinttabledelegate.cpp
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*******************************************************************************
+ * QtMips - MIPS 32-bit Architecture Subset Simulator
+ *
+ * Implemented to support following courses:
+ *
+ *   B35APO - Computer Architectures
+ *   https://cw.fel.cvut.cz/wiki/courses/b35apo
+ *
+ *   B4M35PAP - Advanced Computer Architectures
+ *   https://cw.fel.cvut.cz/wiki/courses/b4m35pap/start
+ *
+ * Copyright (c) 2017-2019 Karel Koci<cynerd@email.cz>
+ * Copyright (c) 2019      Pavel Pisa <pisa@cmp.felk.cvut.cz>
+ *
+ * Faculty of Electrical Engineering (http://www.fel.cvut.cz)
+ * Czech Technical University        (http://www.cvut.cz/)
+ *
+ * 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.
+ *
+ ******************************************************************************/
+
+#include <QApplication>
+#include "hinttabledelegate.h"
+
+QSize HintTableDelegate::sizeHintForText(const QStyleOptionViewItem &option,
+                                   const QModelIndex &index, const QString &str) const {
+    QStyleOptionViewItem opt = option;
+    initStyleOption(&opt, index);
+    const QWidget *widget = option.widget;
+    QStyle *style = widget ? widget->style() : QApplication::style();
+
+    opt.features |= QStyleOptionViewItem::HasDisplay;
+    opt.text = str;
+
+    return style->sizeFromContents(QStyle::CT_ItemViewItem, &opt, QSize(), widget);
+}