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implement drag-n-drop for files

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This commit is contained in:
Axel Kohlmeyer
2023-07-28 05:04:19 -04:00
parent 7a9694b849
commit c1d690d190
6 changed files with 41 additions and 8 deletions
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27
tools/lammps-gui/codeeditor.cpp
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@ -13,7 +13,11 @@
#include "codeeditor.h"
#include "linenumberarea.h"
#include "lammpsgui.h"
#include <QDragEnterEvent>
#include <QDropEvent>
#include <QMimeData>
#include <QPainter>
#include <QTextBlock>
@ -58,6 +62,29 @@ void CodeEditor::updateLineNumberArea(const QRect &rect, int dy)
if (rect.contains(viewport()->rect())) updateLineNumberAreaWidth(0);
}
void CodeEditor::dragEnterEvent(QDragEnterEvent *event)
{
event->acceptProposedAction();
}
bool CodeEditor::canInsertFromMimeData(const QMimeData *source) const
{
return source->hasUrls(); // || source->hasText();
}
void CodeEditor::dropEvent(QDropEvent *event)
{
event->acceptProposedAction();
if (event->mimeData()->hasUrls()) {
auto file = event->mimeData()->urls()[0].url().remove("file://");
auto gui = dynamic_cast<LammpsGui *>(parent());
if (gui) gui->open_file(file);
} else if (event->mimeData()->hasText()) {
fprintf(stderr, "Drag - Drop for text block not yet implemented: text=%s\n",
event->mimeData()->text().toStdString().c_str());
}
}
void CodeEditor::resizeEvent(QResizeEvent *e)
{
QPlainTextEdit::resizeEvent(e);