Mercurial > octave
view libgui/graphics/QtHandlesUtils.cc @ 31202:434b5a1b9498
isequal.m: Add ability to compare Java objects (bug #62930)
* isequal.m: Add elseif clause to detect Java objects and use built-in Java
"equals" method for comparison. Add BIST test for Java object comparison.
author | Rik <rik@octave.org> |
---|---|
date | Thu, 25 Aug 2022 15:35:25 -0700 |
parents | 796f54d4ddbf |
children | c6d54dd31a7e |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 2011-2022 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // 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 // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include <list> #include <QApplication> #include <QKeyEvent> #include <QMouseEvent> #include "Container.h" #include "KeyMap.h" #include "Object.h" #include "QtHandlesUtils.h" #include "qt-graphics-toolkit.h" #include "oct-string.h" #include "graphics.h" #include "ov.h" namespace octave { namespace Utils { QString fromStdString (const std::string& s) { return QString::fromUtf8 (s.c_str ()); } std::string toStdString (const QString& s) { return std::string (s.toUtf8 ().data ()); } QStringList fromStringVector (const string_vector& v) { QStringList l; octave_idx_type n = v.numel (); for (octave_idx_type i = 0; i < n; i++) l << fromStdString (v[i]); return l; } string_vector toStringVector (const QStringList& l) { string_vector v (l.length ()); int i = 0; for (const auto& s : l) v[i++] = toStdString (s); return v; } Cell toCellString (const QStringList& l) { QStringList tmp = l; // don't get any empty lines from end of the list while ((tmp.length () > 0) && tmp.last ().isEmpty ()) { tmp.removeLast (); } // no strings converts to a 1x1 cell with empty string if (tmp.isEmpty ()) tmp += ""; Cell v (toStringVector (tmp)); return v; } template <typename T> QFont computeFont (const typename T::properties& props, int height) { QFont f (fromStdString (props.get_fontname ())); static std::map<std::string, QFont::Weight> weightMap; static std::map<std::string, QFont::Style> angleMap; static bool mapsInitialized = false; if (! mapsInitialized) { weightMap["normal"] = QFont::Normal; weightMap["bold"] = QFont::Bold; angleMap["normal"] = QFont::StyleNormal; angleMap["italic"] = QFont::StyleItalic; angleMap["oblique"] = QFont::StyleOblique; mapsInitialized = true; } f.setPointSizeF (props.get___fontsize_points__ (height)); f.setWeight (weightMap[props.get_fontweight ()]); f.setStyle (angleMap[props.get_fontangle ()]); return f; } template QFont computeFont<uicontrol> (const uicontrol::properties& props, int height); template QFont computeFont<uipanel> (const uipanel::properties& props, int height); template QFont computeFont<uibuttongroup> (const uibuttongroup::properties& props, int height); template QFont computeFont<uitable> (const uitable::properties& props, int height); QColor fromRgb (const Matrix& rgb) { QColor c; if (rgb.numel () == 3) c.setRgbF (rgb(0), rgb(1), rgb(2)); return c; } Matrix toRgb (const QColor& c) { Matrix rgb (1, 3); double *rgbData = rgb.fortran_vec (); // qreal is a typedef for double except for ARM CPU architectures // where it is a typedef for float (Bug #44970). qreal tmp[3]; c.getRgbF (tmp, tmp+1, tmp+2); rgbData[0] = tmp[0]; rgbData[1] = tmp[1]; rgbData[2] = tmp[2]; return rgb; } std::string figureSelectionType (QMouseEvent *event, bool isDoubleClick) { if (isDoubleClick) return "open"; else { Qt::MouseButtons buttons = event->buttons (); Qt::KeyboardModifiers mods = event->modifiers (); if (mods == Qt::NoModifier) { if (buttons == Qt::LeftButton) return "normal"; else if (buttons == Qt::RightButton) return "alt"; else if (buttons == Qt::MiddleButton || buttons == (Qt::LeftButton | Qt::RightButton)) return "extend"; } else if (buttons == Qt::LeftButton) { if (mods == Qt::ShiftModifier) return "extend"; else if (mods == Qt::ControlModifier) return "alt"; } } return "normal"; } /* Two figureCurrentPoint() routines are required: 1) Used for QMouseEvents where cursor position data is in callback from Qt. 2) Used for QKeyEvents where cursor position must be determined. */ Matrix figureCurrentPoint (const graphics_object& fig, QMouseEvent *event) { Object *tkFig = qt_graphics_toolkit::toolkitObject (fig); if (tkFig) { Container *c = tkFig->innerContainer (); if (c) { QPoint qp = c->mapFromGlobal (event->globalPos ()); return tkFig->properties<figure> ().map_from_boundingbox (qp.x (), qp.y ()); } } return Matrix (1, 2, 0.0); } Matrix figureCurrentPoint (const graphics_object& fig) { Object *tkFig = qt_graphics_toolkit::toolkitObject (fig); if (tkFig) { Container *c = tkFig->innerContainer (); if (c) { // FIXME: QCursor::pos() may give inaccurate results with // asynchronous window systems like X11 over ssh. QPoint qp = c->mapFromGlobal (QCursor::pos ()); return tkFig->properties<figure> ().map_from_boundingbox (qp.x (), qp.y ()); } } return Matrix (1, 2, 0.0); } Qt::Alignment fromHVAlign (const std::string& halign, const std::string& valign) { Qt::Alignment flags; if (octave::string::strcmpi (halign, "left")) flags |= Qt::AlignLeft; else if (octave::string::strcmpi (halign, "center")) flags |= Qt::AlignHCenter; else if (octave::string::strcmpi (halign, "right")) flags |= Qt::AlignRight; else flags |= Qt::AlignLeft; if (octave::string::strcmpi (valign, "middle")) flags |= Qt::AlignVCenter; else if (octave::string::strcmpi (valign, "top")) flags |= Qt::AlignTop; else if (octave::string::strcmpi (valign, "bottom")) flags |= Qt::AlignBottom; else flags |= Qt::AlignVCenter; return flags; } QImage makeImageFromCData (const octave_value& v, int width, int height) { dim_vector dv (v.dims ()); if (dv.ndims () == 3 && dv(2) == 3) { int w = qMin (dv(1), static_cast<octave_idx_type> (width)); int h = qMin (dv(0), static_cast<octave_idx_type> (height)); // If size mismatch, take data from center of CDATA and // place in in center of QImage. int x_img_off = (w < width ? (width - w) / 2 : 0); int y_img_off = (h < height ? (height - h) / 2 : 0); int x_cdat_off = (dv(1) > w ? (dv(1) - w) / 2 : 0); int y_cdat_off = (dv(0) > h ? (dv(0) - h) / 2 : 0); QImage img (width, height, QImage::Format_ARGB32); img.fill (qRgba (0, 0, 0, 0)); if (v.is_uint8_type ()) { uint8NDArray d = v.uint8_array_value (); for (int i = x_cdat_off; i < w + x_cdat_off; i++) for (int j = y_cdat_off; j < h + y_cdat_off; j++) { int r = d(j, i, 0); int g = d(j, i, 1); int b = d(j, i, 2); int a = 255; img.setPixel (x_img_off + i - x_cdat_off, y_img_off + j - y_cdat_off, qRgba (r, g, b, a)); } } else if (v.is_single_type ()) { FloatNDArray f = v.float_array_value (); for (int i = x_cdat_off; i < w + x_cdat_off; i++) for (int j = y_cdat_off; j < h + y_cdat_off; j++) { float r = f(j, i, 0); float g = f(j, i, 1); float b = f(j, i, 2); int a = (octave::math::isnan (r) || octave::math::isnan (g) || octave::math::isnan (b) ? 0 : 255); img.setPixel (x_img_off + i - x_cdat_off, y_img_off + j - y_cdat_off, qRgba (octave::math::round (r * 255), octave::math::round (g * 255), octave::math::round (b * 255), a)); } } else if (v.isreal ()) { NDArray d = v.array_value (); for (int i = x_cdat_off; i < w + x_cdat_off; i++) for (int j = y_cdat_off; j < h + y_cdat_off; j++) { double r = d(j, i, 0); double g = d(j, i, 1); double b = d(j, i, 2); int a = (octave::math::isnan (r) || octave::math::isnan (g) || octave::math::isnan (b) ? 0 : 255); img.setPixel (x_img_off + i - x_cdat_off, y_img_off + j - y_cdat_off, qRgba (octave::math::round (r * 255), octave::math::round (g * 255), octave::math::round (b * 255), a)); } } return img; } return QImage (); } octave_scalar_map makeKeyEventStruct (QKeyEvent *event) { octave_scalar_map retval; retval.setfield ("Key", KeyMap::qKeyToKeyString (event->key ())); retval.setfield ("Character", toStdString (event->text ())); std::list<std::string> modList; Qt::KeyboardModifiers mods = event->modifiers (); if (mods & Qt::ShiftModifier) modList.push_back ("shift"); if (mods & Qt::ControlModifier) #if defined (Q_OS_MAC) modList.push_back ("command"); #else modList.push_back ("control"); #endif if (mods & Qt::AltModifier) modList.push_back ("alt"); #if defined (Q_OS_MAC) if (mods & Qt::MetaModifier) modList.push_back ("control"); #endif retval.setfield ("Modifier", Cell (modList)); return retval; } octave_scalar_map makeScrollEventStruct (QWheelEvent *event) { octave_scalar_map retval; // We assume a standard mouse with 15 degree steps and Qt returns // 1/8 of a degree. #if defined (HAVE_QWHEELEVENT_ANGLEDELTA) int ydelta = -(event->angleDelta().y ()); #else int ydelta = -(event->delta ()); #endif retval.setfield ("VerticalScrollCount", octave_value (ydelta / 120)); // FIXME: Is there any way to access the number of lines a scroll step // should correspond to? retval.setfield ("VerticalScrollAmount", octave_value (3)); retval.setfield ("EventName", octave_value ("WindowScrollWheel")); return retval; } } }