Mercurial > octave-dspies
diff libgui/graphics/QtHandlesUtils.cc @ 18505:fb96b7f55242 gui-release
rename file to avoid clash on case-insenstive filesystems (bug #41658)
* libgui/graphics/QtHandlesUtils.cc: Rename from Utils.cc.
* libgui/graphics/QtHandlesUtils.h: Rename from Utils.h.
Change all uses.
* libgui/graphics/module.mk: Update lists.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Fri, 21 Feb 2014 11:35:36 -0500 |
parents | libgui/graphics/Utils.cc@523878f76518 |
children | fe0e34be5576 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libgui/graphics/QtHandlesUtils.cc Fri Feb 21 11:35:36 2014 -0500 @@ -0,0 +1,324 @@ +/* + +Copyright (C) 2011-2014 Michael Goffioul + +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/>. + +*/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <QApplication> +#include <QKeyEvent> +#include <QMouseEvent> + +#include <list> + +#include "ov.h" +#include "graphics.h" + +#include "Backend.h" +#include "Container.h" +#include "KeyMap.h" +#include "Object.h" +#include "QtHandlesUtils.h" + +namespace QtHandles +{ + +namespace Utils +{ + +QString fromStdString (const std::string& s) +{ + return QString::fromLocal8Bit (s.c_str ()); +} + +std::string toStdString (const QString& s) +{ + return std::string (s.toLocal8Bit ().data ()); +} + +QStringList fromStringVector (const string_vector& v) +{ + QStringList l; + octave_idx_type n = v.length (); + + 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; + + foreach (const QString& s, l) + v[i++] = toStdString (s); + + return v; +} + +template <class 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[std::string ("normal")] = QFont::Normal; + weightMap[std::string ("light")] = QFont::Light; + weightMap[std::string ("demi")] = QFont::DemiBold; + weightMap[std::string ("bold")] = QFont::Normal; + + angleMap[std::string ("normal")] = QFont::StyleNormal; + angleMap[std::string ("italic")] = QFont::StyleItalic; + angleMap[std::string ("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); + +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 (); + + c.getRgbF (rgbData, rgbData+1, rgbData+2); + + return rgb; +} + +std::string figureSelectionType (QMouseEvent* event, bool isDoubleClick) +{ + if (isDoubleClick) + return std::string ("open"); + else + { + Qt::MouseButtons buttons = event->buttons (); + Qt::KeyboardModifiers mods = event->modifiers (); + + if (mods == Qt::NoModifier) + { + if (buttons == Qt::LeftButton) + return std::string ("normal"); + else if (buttons == Qt::RightButton) + return std::string ("alt"); +#if defined (Q_WS_WIN) + else if (buttons == (Qt::LeftButton|Qt::RightButton)) + return std::string ("extend"); +#elif defined (Q_WS_X11) + else if (buttons == Qt::MidButton) + return std::string ("extend"); +#endif + } + else if (buttons == Qt::LeftButton) + { + if (mods == Qt::ShiftModifier) + return std::string ("extend"); + else if (mods == Qt::ControlModifier) + return std::string ("alt"); + } + } + + return std::string ("normal"); +} + +Matrix figureCurrentPoint (const graphics_object& fig, QMouseEvent* event) +{ + Object* tkFig = Backend::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); +} + +Qt::Alignment fromHVAlign (const caseless_str& halign, + const caseless_str& valign) +{ + Qt::Alignment flags; + + if (halign.compare ("left")) + flags |= Qt::AlignLeft; + else if (halign.compare ("center")) + flags |= Qt::AlignHCenter; + else if (halign.compare ("right")) + flags |= Qt::AlignRight; + else + flags |= Qt::AlignLeft; + + if (valign.compare ("middle")) + flags |= Qt::AlignVCenter; + else if (valign.compare ("top")) + flags |= Qt::AlignTop; + else if (valign.compare ("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.length () == 3 && dv(2) == 3) + { + int w = qMin (dv(1), width); + int h = qMin (dv(0), height); + + int x_off = (w < width ? (width - w) / 2 : 0); + int y_off = (h < height ? (height - 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 = 0; i < w; i++) + for (int j = 0; j < h; 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_off + i, y_off + j, qRgba (r, g, b, a)); + } + } + else if (v.is_single_type ()) + { + FloatNDArray f = v.float_array_value (); + + for (int i = 0; i < w; i++) + for (int j = 0; j < h; j++) + { + float r = f(j, i, 0); + float g = f(j, i, 1); + float b = f(j, i, 2); + int a = (xisnan (r) || xisnan (g) || xisnan (b) ? 0 : 255); + + img.setPixel (x_off + i, y_off + j, + qRgba (xround (r * 255), + xround (g * 255), + xround (b * 255), + a)); + } + } + else if (v.is_real_type ()) + { + NDArray d = v.array_value (); + + for (int i = 0; i < w; i++) + for (int j = 0; j < h; j++) + { + double r = d(j, i, 0); + double g = d(j, i, 1); + double b = d(j, i, 2); + int a = (xisnan (r) || xisnan (g) || xisnan (b) ? 0 : 255); + + img.setPixel (x_off + i, y_off + j, + qRgba (xround (r * 255), + xround (g * 255), + xround (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) +#ifdef Q_OS_MAC + modList.push_back ("command"); +#else + modList.push_back ("control"); +#endif + if (mods & Qt::AltModifier) + modList.push_back ("alt"); +#ifdef Q_OS_MAC + if (mods & Qt::MetaModifier) + modList.push_back ("control"); +#endif + + retval.setfield ("Modifier", Cell (modList)); + + return retval; +} + +}; // namespace Utils + +}; // namespace QtHandles