Mercurial > octave
view libgui/graphics/QtHandlesUtils.cc @ 23449:c763214a8260
maint: Use convention 'int *x' for naming pointers.
* mycell.c, myfeval.c, mypow2.c, myprop.c, myset.c, mystruct.c, Backend.cc,
Backend.h, BaseControl.cc, BaseControl.h, ButtonControl.cc, ButtonControl.h,
ButtonGroup.cc, ButtonGroup.h, Canvas.cc, Canvas.h, CheckBoxControl.cc,
CheckBoxControl.h, Container.cc, Container.h, ContextMenu.cc, ContextMenu.h,
EditControl.cc, EditControl.h, Figure.cc, Figure.h, FigureWindow.cc,
FigureWindow.h, GLCanvas.cc, GLCanvas.h, GenericEventNotify.h,
ListBoxControl.cc, ListBoxControl.h, Logger.cc, Logger.h, Menu.cc, Menu.h,
MenuContainer.h, MouseModeActionGroup.cc, MouseModeActionGroup.h, Object.cc,
Object.h, ObjectFactory.cc, ObjectFactory.h, ObjectProxy.cc, ObjectProxy.h,
Panel.cc, Panel.h, PopupMenuControl.cc, PopupMenuControl.h,
PushButtonControl.cc, PushButtonControl.h, PushTool.cc, PushTool.h,
QtHandlesUtils.cc, QtHandlesUtils.h, RadioButtonControl.cc,
RadioButtonControl.h, SliderControl.cc, SliderControl.h, TextControl.cc,
TextControl.h, TextEdit.cc, TextEdit.h, ToggleButtonControl.cc,
ToggleButtonControl.h, ToggleTool.cc, ToggleTool.h, ToolBar.cc, ToolBar.h,
ToolBarButton.cc, ToolBarButton.h, color-picker.cc, file-editor-tab.cc,
file-editor.cc, file-editor.h, find-dialog.cc, find-dialog.h,
octave-qscintilla.cc, main-window.cc, main-window.h, octave-cmd.cc,
octave-dock-widget.cc, parser.cc, shortcut-manager.cc, workspace-view.cc,
__ichol__.cc, __ilu__.cc, __magick_read__.cc, c-file-ptr-stream.cc,
c-file-ptr-stream.h, cellfun.cc, data.cc, gl2ps-print.cc, graphics.cc,
graphics.in.h, ls-hdf5.cc, ls-hdf5.h, ls-mat5.cc, mex.h, oct-map.cc, oct-map.h,
oct-stream.cc, octave-link.cc, profiler.cc, profiler.h, psi.cc, qz.cc,
sighandlers.cc, symtab.h, txt-eng.h, zfstream.cc, zfstream.h, __init_fltk__.cc,
audiodevinfo.cc, gzip.cc, ov-class.cc, ov-classdef.cc, ov-classdef.h,
ov-dld-fcn.h, ov-fcn-inline.cc, ov-java.cc, ov-java.h, ov.cc, pt-arg-list.cc,
pt-array-list.cc, pt-bp.cc, pt-check.cc, pt-classdef.h, pt-decl.cc, pt-eval.cc,
pt-idx.cc, pt-idx.h, pt-jit.cc, pt-misc.cc, pt-pr-code.cc, pt-select.cc,
pt-stmt.cc, Array.cc, Array.h, CMatrix.cc, MSparse.cc, Sparse.h, dMatrix.cc,
dim-vector.h, fCMatrix.cc, fMatrix.cc, CollocWt.cc, bsxfun-defs.cc,
eigs-base.cc, gsvd.cc, gsvd.h, lo-lapack-proto.h, oct-norm.cc, randmtzig.cc,
svd.cc, svd.h, mx-inlines.cc, oct-binmap.h, oct-sort.cc, oct-sort.h,
oct-string.cc, oct-string.h, sparse-sort.cc, sparse-sort.h:
Use convention 'int *x' for naming pointers.
author | Rik <rik@octave.org> |
---|---|
date | Thu, 27 Apr 2017 15:18:20 -0700 |
parents | 4b642b593ec2 |
children | 0cc2011d800e |
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/* Copyright (C) 2011-2017 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/>. */ #if defined (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" #include "oct-string.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.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; foreach (const QString& 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[std::string ("normal")] = QFont::Normal; weightMap[std::string ("light")] = QFont::Light; weightMap[std::string ("demi")] = QFont::DemiBold; weightMap[std::string ("bold")] = QFont::Bold; 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); template QFont computeFont<uibuttongroup> (const uibuttongroup::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 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"); } /* 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 = 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); } Matrix figureCurrentPoint (const graphics_object& fig) { Object *tkFig = Backend::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)); 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 = (octave::math::isnan (r) || octave::math::isnan (g) || octave::math::isnan (b) ? 0 : 255); img.setPixel (x_off + i, y_off + j, qRgba (octave::math::round (r * 255), octave::math::round (g * 255), octave::math::round (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 = (octave::math::isnan (r) || octave::math::isnan (g) || octave::math::isnan (b) ? 0 : 255); img.setPixel (x_off + i, y_off + j, 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; } } }