X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=pv%2Fview%2Fheader.cpp;h=e2ccfedc4e4d53cdb68d8897edaa1ec7f1622b24;hb=HEAD;hp=2264bc2c945f96b41ea88d387af4c5221d3a8cb9;hpb=be9e7b4bb29b6594ec2b64442748ab135b684bf8;p=pulseview.git diff --git a/pv/view/header.cpp b/pv/view/header.cpp deleted file mode 100644 index 2264bc2c..00000000 --- a/pv/view/header.cpp +++ /dev/null @@ -1,307 +0,0 @@ -/* - * This file is part of the PulseView project. - * - * Copyright (C) 2012 Joel Holdsworth - * - * 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 St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "header.h" -#include "view.h" - -#include "signal.h" -#include "../sigsession.h" - -#include -#include - -#include -#include -#include -#include -#include - -#include - -using std::max; -using std::make_pair; -using std::pair; -using std::shared_ptr; -using std::stable_sort; -using std::vector; - -namespace pv { -namespace view { - -const int Header::Padding = 12; -const int Header::BaselineOffset = 5; - -Header::Header(View &parent) : - MarginWidget(parent), - _dragging(false) -{ - setFocusPolicy(Qt::ClickFocus); - setMouseTracking(true); - - connect(&_view, SIGNAL(signals_moved()), - this, SLOT(on_signals_moved())); -} - -QSize Header::sizeHint() const -{ - QRectF max_rect(-Padding, 0, Padding, 0); - for (auto &i : _view) - if (i->enabled()) - max_rect = max_rect.united(i->label_rect(0)); - return QSize(max_rect.width() + Padding + BaselineOffset, 0); -} - -shared_ptr Header::get_mouse_over_row_item(const QPoint &pt) -{ - const int w = width() - BaselineOffset; - for (auto &i : _view) - if (i->enabled() && i->label_rect(w).contains(pt)) - return i; - return shared_ptr(); -} - -void Header::clear_selection() -{ - for (auto &i : _view) - i->select(false); - update(); -} - -void Header::signals_updated() -{ - for (shared_ptr r : _view) { - assert(r); - connect(r.get(), SIGNAL(appearance_changed()), - this, SLOT(on_trace_changed())); - } -} - -void Header::show_popup(const shared_ptr &item) -{ - using pv::widgets::Popup; - - Popup *const p = item->create_popup(&_view); - if (!p) - return; - - const QPoint pt(width() - BaselineOffset, item->get_visual_y()); - p->set_position(mapToGlobal(pt), Popup::Right); - p->show(); -} - -void Header::paintEvent(QPaintEvent*) -{ - // The trace labels are not drawn with the arrows exactly on the - // left edge of the widget, because then the selection shadow - // would be clipped away. - const int w = width() - BaselineOffset; - - vector< shared_ptr > row_items( - _view.begin(), _view.end()); - - stable_sort(row_items.begin(), row_items.end(), - [](const shared_ptr &a, const shared_ptr &b) { - return a->visual_v_offset() < b->visual_v_offset(); }); - - QPainter painter(this); - painter.setRenderHint(QPainter::Antialiasing); - - for (const shared_ptr r : row_items) - { - assert(r); - - const bool highlight = !_dragging && - r->label_rect(w).contains(_mouse_point); - r->paint_label(painter, w, highlight); - } - - painter.end(); -} - -void Header::mouseLeftPressEvent(QMouseEvent *event) -{ - (void)event; - - const bool ctrl_pressed = - QApplication::keyboardModifiers() & Qt::ControlModifier; - - // Clear selection if control is not pressed and this item is unselected - if ((!_mouse_down_item || !_mouse_down_item->selected()) && - !ctrl_pressed) - for (shared_ptr r : _view) - r->select(false); - - // Set the signal selection state if the item has been clicked - if (_mouse_down_item) { - if (ctrl_pressed) - _mouse_down_item->select(!_mouse_down_item->selected()); - else - _mouse_down_item->select(true); - } - - // Save the offsets of any signals which will be dragged - for (const shared_ptr r : _view) - if (r->selected()) - r->drag(); - - selection_changed(); - update(); -} - -void Header::mousePressEvent(QMouseEvent *event) -{ - assert(event); - - _mouse_down_point = event->pos(); - _mouse_down_item = get_mouse_over_row_item(event->pos()); - - if (event->button() & Qt::LeftButton) - mouseLeftPressEvent(event); -} - -void Header::mouseLeftReleaseEvent(QMouseEvent *event) -{ - assert(event); - - const bool ctrl_pressed = - QApplication::keyboardModifiers() & Qt::ControlModifier; - - // Unselect everything if control is not pressed - const shared_ptr mouse_over = - get_mouse_over_row_item(event->pos()); - - for (auto &r : _view) - r->drag_release(); - - if (!_dragging) - { - if (!ctrl_pressed) { - for (shared_ptr r : _view) - if (_mouse_down_item != r) - r->select(false); - - if (_mouse_down_item) - show_popup(_mouse_down_item); - } - } - - _dragging = false; -} - -void Header::mouseReleaseEvent(QMouseEvent *event) -{ - assert(event); - if (event->button() & Qt::LeftButton) - mouseLeftReleaseEvent(event); - - _mouse_down_item = nullptr; -} - -void Header::mouseMoveEvent(QMouseEvent *event) -{ - assert(event); - _mouse_point = event->pos(); - - if (!(event->buttons() & Qt::LeftButton)) - return; - - if ((event->pos() - _mouse_down_point).manhattanLength() < - QApplication::startDragDistance()) - return; - - // Check all the drag items share a common owner - RowItemOwner *item_owner = nullptr; - for (shared_ptr r : _view) - if (r->dragging()) { - if (!item_owner) - item_owner = r->owner(); - else if(item_owner != r->owner()) - return; - } - - if (!item_owner) - return; - - // Do the drag - _dragging = true; - - const int delta = event->pos().y() - _mouse_down_point.y(); - - for (std::shared_ptr r : _view) - if (r->dragging()) { - r->force_to_v_offset(r->drag_point().y() + delta); - - // Ensure the trace is selected - r->select(); - } - - signals_moved(); - - update(); -} - -void Header::leaveEvent(QEvent*) -{ - _mouse_point = QPoint(-1, -1); - update(); -} - -void Header::contextMenuEvent(QContextMenuEvent *event) -{ - const shared_ptr r = get_mouse_over_row_item(_mouse_point); - if (!r) - return; - - QMenu *const menu = r->create_context_menu(this); - if (!menu) - return; - - menu->exec(event->globalPos()); -} - -void Header::keyPressEvent(QKeyEvent *e) -{ - assert(e); - - switch (e->key()) - { - case Qt::Key_Delete: - { - for (const shared_ptr r : _view) - if (r->selected()) - r->delete_pressed(); - break; - } - } -} - -void Header::on_signals_moved() -{ - update(); -} - -void Header::on_trace_changed() -{ - update(); - geometry_updated(); -} - -} // namespace view -} // namespace pv