some dnd working, not good yet
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fgerlits
parent
a8c1eb0c3c
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f6f09abee0
2 changed files with 170 additions and 31 deletions
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@ -34,6 +34,7 @@
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#endif
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#endif
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#include <iostream>
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#include <iostream>
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#include <cassert>
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#include "LiveSupport/Widgets/WidgetFactory.h"
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#include "LiveSupport/Widgets/WidgetFactory.h"
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#include "LiveSupport/Widgets/Colors.h"
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#include "LiveSupport/Widgets/Colors.h"
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@ -322,12 +323,12 @@ TestWindow :: onTreeViewDragDataGet(
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std::list<Gtk::TreePath> rows = selection->get_selected_rows();
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std::list<Gtk::TreePath> rows = selection->get_selected_rows();
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Glib::ustring dropString = leftOrRight(index);
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Glib::ustring dropString = leftOrRight(index);
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// we can assume there is only one row selected, due to bug
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// we can assume there is only one row selected, due to bug
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// ...
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// http://bugzilla.gnome.org/show_bug.cgi?id=70479
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if (rows.size() >= 1) {
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assert (rows.size() == 1);
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Gtk::TreeRow row = *treeModel[index]->get_iter(rows.front());
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dropString += " ";
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Gtk::TreeRow row = *treeModel[index]->get_iter(rows.front());
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dropString += row[modelColumns.textColumn];
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dropString += " ";
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}
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dropString += row[modelColumns.textColumn];
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selectionData.set(selectionData.get_target(),
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selectionData.set(selectionData.get_target(),
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8 /* 8 bits format*/,
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8 /* 8 bits format*/,
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@ -350,37 +351,147 @@ TestWindow :: onTreeViewDragDataReceived(
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int index)
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int index)
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throw ()
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throw ()
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{
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{
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if (selectionData.get_length() >= 0 && selectionData.get_format() == 8) {
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if (selectionData.get_length() < 0 || selectionData.get_format() != 8) {
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Glib::ustring data = selectionData.get_data_as_string();
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if (data.find("left") == 0) {
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std::cerr << "left -> "
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<< leftOrRight(index)
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<< ": "
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<< data.substr(5)
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<< std::endl;
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context->drag_finish(true, false, time);
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} else if (data.find("right") == 0) {
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std::cerr << "right -> "
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<< leftOrRight(index)
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<< ": "
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<< data.substr(6)
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<< std::endl;
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context->drag_finish(true, false, time);
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} else {
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std::cerr << "unknown string dropped on "
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<< leftOrRight(index)
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<< " tree view: "
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<< data
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<< std::endl;
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context->drag_finish(false, false, time);
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}
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} else {
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std::cerr << "unknown type of data dropped on "
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std::cerr << "unknown type of data dropped on "
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<< leftOrRight(index)
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<< leftOrRight(index)
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<< " tree view"
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<< " tree view"
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<< std::endl;
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<< std::endl;
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context->drag_finish(false, false, time);
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context->drag_finish(false, false, time);
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return;
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}
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}
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Glib::ustring data = selectionData.get_data_as_string();
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Glib::ustring stripped;
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int source = -1;
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int destination = index;
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if (data.find("left") == 0) {
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std::cerr << "left -> "
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<< leftOrRight(index)
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<< ": "
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<< data.substr(5)
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<< std::endl;
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stripped = data.substr(5);
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source = 0;
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} else if (data.find("right") == 0) {
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std::cerr << "right -> "
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<< leftOrRight(index)
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<< ": "
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<< data.substr(6)
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<< std::endl;
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stripped = data.substr(6);
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source = 1;
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} else {
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std::cerr << "unknown string dropped on "
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<< leftOrRight(index)
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<< " tree view: "
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<< data
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<< std::endl;
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context->drag_finish(false, false, time);
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return;
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}
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if (source == destination) {
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moveRow(destination, x, y, stripped);
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context->drag_finish(true, true, time);
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} else {
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insertRow(destination, x, y, stripped);
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context->drag_finish(true, false, time);
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}
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}
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/*------------------------------------------------------------------------------
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* Move the selected row to the given position.
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*----------------------------------------------------------------------------*/
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void
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TestWindow :: moveRow (int index,
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int x,
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int y,
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Glib::ustring value) throw ()
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{
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Glib::RefPtr<Gtk::TreeView::Selection> selection
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= treeView[index]->get_selection();
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std::list<Gtk::TreePath> rows = selection->get_selected_rows();
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assert (rows.size() == 1);
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Gtk::TreeIter source = treeModel[index]->get_iter(rows.front());
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Gtk::TreePath destPath;
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Gtk::TreeViewDropPosition destPos;
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treeView[index]->get_dest_row_at_pos(x, y, destPath, destPos);
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std::cerr << "path: " << destPath.to_string()
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<< ", pos: " << int(destPos)
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<< std::endl;
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Gtk::TreeIter destination = treeModel[index]->get_iter(destPath);
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Gtk::TreeRow newRow;
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switch (destPos) {
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case Gtk::TREE_VIEW_DROP_BEFORE:
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case Gtk::TREE_VIEW_DROP_INTO_OR_BEFORE:
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newRow = *treeModel[index]->insert(destination);
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break;
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case Gtk::TREE_VIEW_DROP_AFTER:
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case Gtk::TREE_VIEW_DROP_INTO_OR_AFTER:
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newRow = *treeModel[index]->insert_after(destination);
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break;
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default: std::cerr << "oops in moveRow()" << std::endl;
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return;
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}
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Ptr<WidgetFactory>::Ref wf = WidgetFactory::getInstance();
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Glib::RefPtr<Gdk::Pixbuf> pixbuf = wf->getPixbuf(
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WidgetConstants::audioClipIconImage);
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newRow[modelColumns.pixbufColumn] = pixbuf;
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newRow[modelColumns.textColumn] = value;
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treeModel[index]->erase(source);
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}
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/*------------------------------------------------------------------------------
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* Insert a string row into a tree view.
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*----------------------------------------------------------------------------*/
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void
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TestWindow :: insertRow (int index,
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int x,
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int y,
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Glib::ustring value) throw ()
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{
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Gtk::TreePath destPath;
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Gtk::TreeViewDropPosition destPos;
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treeView[index]->get_dest_row_at_pos(x, y, destPath, destPos);
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std::cerr << "path: " << destPath.to_string()
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<< ", pos: " << int(destPos)
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<< std::endl;
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Gtk::TreeIter destination = treeModel[index]->get_iter(destPath);
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Gtk::TreeRow newRow;
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switch (destPos) {
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case Gtk::TREE_VIEW_DROP_BEFORE:
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case Gtk::TREE_VIEW_DROP_INTO_OR_BEFORE:
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newRow = *treeModel[index]->insert(destination);
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break;
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case Gtk::TREE_VIEW_DROP_AFTER:
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case Gtk::TREE_VIEW_DROP_INTO_OR_AFTER:
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newRow = *treeModel[index]->insert_after(destination);
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break;
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default: std::cerr << "oops in insertRow()" << std::endl;
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return;
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}
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Ptr<WidgetFactory>::Ref wf = WidgetFactory::getInstance();
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Glib::RefPtr<Gdk::Pixbuf> pixbuf = wf->getPixbuf(
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WidgetConstants::audioClipIconImage);
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newRow[modelColumns.pixbufColumn] = pixbuf;
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newRow[modelColumns.textColumn] = value;
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}
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}
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@ -109,6 +109,34 @@ class TestWindow : public LocalizedObject
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}
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}
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}
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}
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/**
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* Move the selected row to the given position.
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*
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* @param index which tree view to work on.
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* @param x the x coordinate of the new location of the row.
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* @param y the y coordinate of the new location of the row.
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* @param value the string to put into the new row.
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*/
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void
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moveRow (int index,
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int x,
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int y,
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Glib::ustring value) throw ();
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/**
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* Insert a string row into a tree view.
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*
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* @param index which tree view to work on.
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* @param x the x coordinate of the location of the new row.
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* @param y the y coordinate of the location of the new row.
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* @param value the string to put into the new row.
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*/
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void
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insertRow (int index,
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int x,
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int y,
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Glib::ustring value) throw ();
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protected:
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protected:
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