Mercurial > octave
view libgui/graphics/ButtonGroup.cc @ 23219:3ac9f9ecfae5 stable
maint: Update copyright dates.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Wed, 22 Feb 2017 12:39:29 -0500 |
parents | e9a0469dedd9 |
children | 092078913d54 |
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/* Copyright (C) 2016-2017 Andrew Thornton This file is part of Octave. Octave 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 3 of the License, or (at your option) any later version. Octave 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 Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include <QAbstractButton> #include <QButtonGroup> #include <QEvent> #include <QFrame> #include <QLabel> #include <QMouseEvent> #include <QRadioButton> #include <QTimer> #include "Canvas.h" #include "Container.h" #include "ContextMenu.h" #include "ButtonGroup.h" #include "ToggleButtonControl.h" #include "RadioButtonControl.h" #include "Backend.h" #include "QtHandlesUtils.h" #include "ov-struct.h" namespace QtHandles { static int frameStyleFromProperties (const uibuttongroup::properties& pp) { if (pp.bordertype_is ("none")) return QFrame::NoFrame; else if (pp.bordertype_is ("etchedin")) return (QFrame::Box | QFrame::Sunken); else if (pp.bordertype_is ("etchedout")) return (QFrame::Box | QFrame::Raised); else if (pp.bordertype_is ("beveledin")) return (QFrame::Panel | QFrame::Sunken); else if (pp.bordertype_is ("beveledout")) return (QFrame::Panel | QFrame::Raised); else return (QFrame::Panel | QFrame::Plain); } static void setupPalette (const uibuttongroup::properties& pp, QPalette &p) { p.setColor (QPalette::Window, Utils::fromRgb (pp.get_backgroundcolor_rgb ())); p.setColor (QPalette::WindowText, Utils::fromRgb (pp.get_foregroundcolor_rgb ())); p.setColor (QPalette::Light, Utils::fromRgb (pp.get_highlightcolor_rgb ())); p.setColor (QPalette::Dark, Utils::fromRgb (pp.get_shadowcolor_rgb ())); } static int borderWidthFromProperties (const uibuttongroup::properties& pp) { int bw = 0; if (! pp.bordertype_is ("none")) { bw = octave::math::round (pp.get_borderwidth ()); if (pp.bordertype_is ("etchedin") || pp.bordertype_is ("etchedout")) bw *= 2; } return bw; } ButtonGroup* ButtonGroup::create (const graphics_object& go) { Object* parent = Object::parentObject (go); if (parent) { Container* container = parent->innerContainer (); if (container) { QFrame* frame = new QFrame(container); return new ButtonGroup (go, new QButtonGroup (frame), frame); } } return 0; } ButtonGroup::ButtonGroup (const graphics_object& go, QButtonGroup* buttongroup, QFrame* frame) : Object (go, frame), m_hiddenbutton(0), m_container (0), m_title (0), m_blockUpdates (false) { uibuttongroup::properties& pp = properties<uibuttongroup> (); frame->setObjectName ("UIButtonGroup"); frame->setAutoFillBackground (true); Matrix bb = pp.get_boundingbox (false); frame->setGeometry (octave::math::round (bb(0)), octave::math::round (bb(1)), octave::math::round (bb(2)), octave::math::round (bb(3))); frame->setFrameStyle (frameStyleFromProperties (pp)); frame->setLineWidth (octave::math::round (pp.get_borderwidth ())); QPalette pal = frame->palette (); setupPalette (pp, pal); frame->setPalette (pal); m_buttongroup = buttongroup; m_hiddenbutton = new QRadioButton (frame); m_hiddenbutton->hide (); m_buttongroup->addButton (m_hiddenbutton); m_container = new Container (frame); m_container->canvas (m_handle); if (frame->hasMouseTracking ()) { foreach (QWidget* w, frame->findChildren<QWidget*> ()) { w->setMouseTracking (true); } foreach (QWidget* w, buttongroup->findChildren<QWidget*> ()) { w->setMouseTracking (true); } } QString title = Utils::fromStdString (pp.get_title ()); if (! title.isEmpty ()) { m_title = new QLabel (title, frame); m_title->setAutoFillBackground (true); m_title->setContentsMargins (4, 0, 4, 0); m_title->setPalette (pal); m_title->setFont (Utils::computeFont<uibuttongroup> (pp, bb(3))); } frame->installEventFilter (this); m_container->installEventFilter (this); if (pp.is_visible ()) { QTimer::singleShot (0, frame, SLOT (show (void))); QTimer::singleShot (0, buttongroup, SLOT (show (void))); } else frame->hide (); connect (m_buttongroup, SIGNAL (buttonClicked (QAbstractButton*)), SLOT (buttonClicked (QAbstractButton*))); } ButtonGroup::~ButtonGroup (void) { } bool ButtonGroup::eventFilter (QObject* watched, QEvent* xevent) { if (! m_blockUpdates) { if (watched == qObject ()) { switch (xevent->type ()) { case QEvent::Resize: { gh_manager::auto_lock lock; graphics_object go = object (); if (go.valid_object ()) { if (m_title) { const uibuttongroup::properties& pp = Utils::properties<uibuttongroup> (go); if (pp.fontunits_is ("normalized")) { QFrame* frame = qWidget<QFrame> (); m_title->setFont (Utils::computeFont<uibuttongroup> (pp, frame->height ())); m_title->resize (m_title->sizeHint ()); } } updateLayout (); } } break; case QEvent::MouseButtonPress: { QMouseEvent* m = dynamic_cast<QMouseEvent*> (xevent); if (m->button () == Qt::RightButton) { gh_manager::auto_lock lock; ContextMenu::executeAt (properties (), m->globalPos ()); } } break; default: break; } } else if (watched == m_container) { switch (xevent->type ()) { case QEvent::Resize: if (qWidget<QWidget> ()->isVisible ()) { gh_manager::auto_lock lock; properties ().update_boundingbox (); } break; default: break; } } } return false; } void ButtonGroup::update (int pId) { uibuttongroup::properties& pp = properties<uibuttongroup> (); QFrame* frame = qWidget<QFrame> (); m_blockUpdates = true; switch (pId) { case uibuttongroup::properties::ID_POSITION: { Matrix bb = pp.get_boundingbox (false); frame->setGeometry (octave::math::round (bb(0)), octave::math::round (bb(1)), octave::math::round (bb(2)), octave::math::round (bb(3))); updateLayout (); } break; case uibuttongroup::properties::ID_BORDERWIDTH: frame->setLineWidth (octave::math::round (pp.get_borderwidth ())); updateLayout (); break; case uibuttongroup::properties::ID_BACKGROUNDCOLOR: case uibuttongroup::properties::ID_FOREGROUNDCOLOR: case uibuttongroup::properties::ID_HIGHLIGHTCOLOR: case uibuttongroup::properties::ID_SHADOWCOLOR: { QPalette pal = frame->palette (); setupPalette (pp, pal); frame->setPalette (pal); if (m_title) m_title->setPalette (pal); } break; case uibuttongroup::properties::ID_TITLE: { QString title = Utils::fromStdString (pp.get_title ()); if (title.isEmpty ()) { if (m_title) delete m_title; m_title = 0; } else { if (! m_title) { QPalette pal = frame->palette (); m_title = new QLabel (title, frame); m_title->setAutoFillBackground (true); m_title->setContentsMargins (4, 0, 4, 0); m_title->setPalette (pal); m_title->setFont (Utils::computeFont<uibuttongroup> (pp)); m_title->show (); } else { m_title->setText (title); m_title->resize (m_title->sizeHint ()); } } updateLayout (); } break; case uibuttongroup::properties::ID_TITLEPOSITION: updateLayout (); break; case uibuttongroup::properties::ID_BORDERTYPE: frame->setFrameStyle (frameStyleFromProperties (pp)); updateLayout (); break; case uibuttongroup::properties::ID_FONTNAME: case uibuttongroup::properties::ID_FONTSIZE: case uibuttongroup::properties::ID_FONTWEIGHT: case uibuttongroup::properties::ID_FONTANGLE: if (m_title) { m_title->setFont (Utils::computeFont<uibuttongroup> (pp)); m_title->resize (m_title->sizeHint ()); updateLayout (); } break; case uibuttongroup::properties::ID_VISIBLE: frame->setVisible (pp.is_visible ()); updateLayout (); break; case uibuttongroup::properties::ID_SELECTEDOBJECT: { graphics_handle h = pp.get_selectedobject (); gh_manager::auto_lock lock; graphics_object go = gh_manager::get_object (h); Object* selectedObject = Backend::toolkitObject (go); ToggleButtonControl* toggle = static_cast<ToggleButtonControl*> (selectedObject); RadioButtonControl* radio = static_cast<RadioButtonControl*>(selectedObject); if (toggle) { go.get_properties ().set ("value", 1); } else if (radio) { go.get_properties ().set ("value", 1); } else { m_hiddenbutton->setChecked (true); } } break; default: break; } m_blockUpdates = false; } void ButtonGroup::redraw (void) { Canvas* canvas = m_container->canvas (m_handle); if (canvas) canvas->redraw (); } void ButtonGroup::updateLayout (void) { uibuttongroup::properties& pp = properties<uibuttongroup> (); QFrame* frame = qWidget<QFrame> (); Matrix bb = pp.get_boundingbox (true); int bw = borderWidthFromProperties (pp); frame->setFrameRect (QRect (octave::math::round (bb(0)) - bw, octave::math::round (bb(1)) - bw, octave::math::round (bb(2)) + 2*bw, octave::math::round (bb(3)) + 2*bw)); m_container->setGeometry (octave::math::round (bb(0)), octave::math::round (bb(1)), octave::math::round (bb(2)), octave::math::round (bb(3))); if (m_blockUpdates) pp.update_boundingbox (); if (m_title) { QSize sz = m_title->sizeHint (); int offset = 5; if (pp.titleposition_is ("lefttop")) m_title->move (bw+offset, 0); else if (pp.titleposition_is ("righttop")) m_title->move (frame->width () - bw - offset - sz.width (), 0); else if (pp.titleposition_is ("leftbottom")) m_title->move (bw+offset, frame->height () - sz.height ()); else if (pp.titleposition_is ("rightbottom")) m_title->move (frame->width () - bw - offset - sz.width (), frame->height () - sz.height ()); else if (pp.titleposition_is ("centertop")) m_title->move (frame->width () / 2 - sz.width () / 2, 0); else if (pp.titleposition_is ("centerbottom")) m_title->move (frame->width () / 2 - sz.width () / 2, frame->height () - sz.height ()); } } void ButtonGroup::selectNothing (void) { m_hiddenbutton->setChecked (true); } void ButtonGroup::addButton (QAbstractButton* btn) { m_buttongroup->addButton(btn); connect (btn, SIGNAL (toggled (bool)), SLOT (buttonToggled (bool))); } void ButtonGroup::buttonToggled (bool toggled) { Q_UNUSED (toggled); if (!m_blockUpdates) { gh_manager::auto_lock lock; uibuttongroup::properties& bp = properties<uibuttongroup> (); graphics_handle oldValue = bp.get_selectedobject(); QAbstractButton* checkedBtn = m_buttongroup->checkedButton(); graphics_handle newValue = graphics_handle (); if (checkedBtn != m_hiddenbutton) { Object* checkedObj = Object::fromQObject(checkedBtn); newValue = checkedObj->properties ().get___myhandle__ (); } if (oldValue != newValue) gh_manager::post_set (m_handle, "selectedobject", newValue.as_octave_value (), false); } } void ButtonGroup::buttonClicked (QAbstractButton* btn) { Q_UNUSED(btn); gh_manager::auto_lock lock; uibuttongroup::properties& bp = properties<uibuttongroup> (); graphics_handle oldValue = bp.get_selectedobject(); QAbstractButton* checkedBtn = m_buttongroup->checkedButton(); Object* checkedObj = Object::fromQObject(checkedBtn); graphics_handle newValue = checkedObj->properties ().get___myhandle__ (); if (oldValue != newValue) { octave_scalar_map eventData; eventData.setfield ("OldValue", oldValue.as_octave_value ()); eventData.setfield ("NewValue", newValue.as_octave_value ()); eventData.setfield ("Source", bp.get___myhandle__ ().as_octave_value ()); eventData.setfield ("EventName", "SelectionChanged"); octave_value selectionChangedEventObject = octave_value (new octave_struct ( eventData)); gh_manager::post_callback(m_handle, "selectionchangedfcn", selectionChangedEventObject); } } };