Merge branch 'master' into 'master'

Master

See merge request eddiehung/nextpnr!2

1 files changed, 96 insertions, 0 deletions

diff --git a/gui/yosys_edit.cc b/gui/yosys_edit.cc
new file mode 100644
index 00000000..72d2430d
--- /dev/null
+++ b/gui/yosys_edit.cc
@@ -0,0 +1,96 @@
+/*
+ *  nextpnr -- Next Generation Place and Route
+ *
+ *  Copyright (C) 2018  Miodrag Milanovic <miodrag@symbioticeda.com>
+ *  Copyright (C) 2018  Alex Tsui
+ *
+ *  Permission to use, copy, modify, and/or distribute this software for any
+ *  purpose with or without fee is hereby granted, provided that the above
+ *  copyright notice and this permission notice appear in all copies.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#include "yosys_edit.h"
+#include <QKeyEvent>
+#include <QToolTip>
+
+NEXTPNR_NAMESPACE_BEGIN
+
+YosysLineEditor::YosysLineEditor(QWidget *parent) : QLineEdit(parent), index(0)
+{
+    setContextMenuPolicy(Qt::CustomContextMenu);
+    QAction *clearAction = new QAction("Clear &history", this);
+    clearAction->setStatusTip("Clears line edit history");
+    connect(clearAction, SIGNAL(triggered()), this, SLOT(clearHistory()));
+    contextMenu = createStandardContextMenu();
+    contextMenu->addSeparator();
+    contextMenu->addAction(clearAction);
+
+    connect(this, SIGNAL(returnPressed()), SLOT(textInserted()));
+    connect(this, SIGNAL(customContextMenuRequested(const QPoint)), this, SLOT(showContextMenu(const QPoint)));
+}
+
+void YosysLineEditor::keyPressEvent(QKeyEvent *ev)
+{
+
+    if (ev->key() == Qt::Key_Up || ev->key() == Qt::Key_Down) {
+        QToolTip::hideText();
+        if (lines.empty())
+            return;
+        if (ev->key() == Qt::Key_Up)
+            index--;
+        if (ev->key() == Qt::Key_Down)
+            index++;
+
+        if (index < 0)
+            index = 0;
+        if (index >= lines.size()) {
+            index = lines.size();
+            clear();
+            return;
+        }
+        setText(lines[index]);
+    } else if (ev->key() == Qt::Key_Escape) {
+        QToolTip::hideText();
+        clear();
+        return;
+    } else if (ev->key() == Qt::Key_Tab) {
+        return;
+    }
+    QToolTip::hideText();
+
+    QLineEdit::keyPressEvent(ev);
+}
+
+// This makes TAB work
+bool YosysLineEditor::focusNextPrevChild(bool next) { return false; }
+
+void YosysLineEditor::textInserted()
+{
+    if (lines.empty() || lines.back() != text())
+        lines += text();
+    if (lines.size() > 100)
+        lines.removeFirst();
+    index = lines.size();
+    clear();
+    Q_EMIT textLineInserted(lines.back());
+}
+
+void YosysLineEditor::showContextMenu(const QPoint &pt) { contextMenu->exec(mapToGlobal(pt)); }
+
+void YosysLineEditor::clearHistory()
+{
+    lines.clear();
+    index = 0;
+    clear();
+}
+
+NEXTPNR_NAMESPACE_END