diff --git a/src/radialMap/map.cpp b/src/radialMap/map.cpp index ea9530f..01b7d12 100644 --- a/src/radialMap/map.cpp +++ b/src/radialMap/map.cpp @@ -1,481 +1,480 @@ /*********************************************************************** * Copyright 2003-2004 Max Howell * Copyright 2008-2009 Martin Sandsmark * * 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) version 3 or any later version * accepted by the membership of KDE e.V. (or its successor approved * by the membership of KDE e.V.), which shall act as a proxy * defined in Section 14 of version 3 of the license. * * 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, see . ***********************************************************************/ #include //make() #include //make() & paint() #include //ctor #include //ctor #include #include #include "filelight_debug.h" #include //make() #include #include "radialMap.h" // defines #include "Config.h" #include "fileTree.h" #define SINCOS_H_IMPLEMENTATION (1) #include "sincos.h" #include "widget.h" RadialMap::Map::Map(bool summary) : m_signature(nullptr) , m_visibleDepth(DEFAULT_RING_DEPTH) , m_ringBreadth(MIN_RING_BREADTH) , m_innerRadius(0) , m_summary(summary) { //FIXME this is all broken. No longer is a maximum depth! const int fmh = QFontMetrics(QFont()).height(); const int fmhD4 = fmh / 4; MAP_2MARGIN = 2 * (fmh - (fmhD4 - LABEL_MAP_SPACER)); //margin is dependent on fitting in labels at top and bottom } RadialMap::Map::~Map() { delete [] m_signature; } void RadialMap::Map::invalidate() { delete [] m_signature; m_signature = nullptr; m_visibleDepth = Config::defaultRingDepth; } void RadialMap::Map::make(const Folder *tree, bool refresh) { //slow operation so set the wait cursor QApplication::setOverrideCursor(Qt::WaitCursor); //build a signature of visible components { //**** REMOVE NEED FOR the +1 with MAX_RING_DEPTH uses //**** add some angle bounds checking (possibly in Segment ctor? can I delete in a ctor?) //**** this is a mess delete [] m_signature; m_signature = new QList[m_visibleDepth + 1]; m_root = tree; if (!refresh) { m_minSize = (tree->size() * 3) / (PI * height() - MAP_2MARGIN); findVisibleDepth(tree); } setRingBreadth(); // Calculate ring size limits m_limits.resize(m_visibleDepth + 1); const double size = m_root->size(); const double pi2B = M_PI * 4 * m_ringBreadth; for (uint depth = 0; depth <= m_visibleDepth; ++depth) { m_limits[depth] = uint(size / double(pi2B * (depth + 1))); //min is angle that gives 3px outer diameter for that depth } build(tree); } //colour the segments colorise(); m_centerText = tree->humanReadableSize(); //paint the pixmap paint(); QApplication::restoreOverrideCursor(); } void RadialMap::Map::setRingBreadth() { //FIXME called too many times on creation m_ringBreadth = (height() - MAP_2MARGIN) / (2 * m_visibleDepth + 4); m_ringBreadth = qBound(MIN_RING_BREADTH, m_ringBreadth, MAX_RING_BREADTH); } void RadialMap::Map::findVisibleDepth(const Folder *dir, uint currentDepth) { //**** because I don't use the same minimumSize criteria as in the visual function // this can lead to incorrect visual representation //**** BUT, you can't set those limits until you know m_depth! //**** also this function doesn't check to see if anything is actually visible // it just assumes that when it reaches a new level everything in it is visible // automatically. This isn't right especially as there might be no files in the // dir provided to this function! static uint stopDepth = 0; if (dir == m_root) { stopDepth = m_visibleDepth; m_visibleDepth = 0; } if (m_visibleDepth < currentDepth) m_visibleDepth = currentDepth; if (m_visibleDepth >= stopDepth) return; for (File *file : dir->files) { if (file->isFolder() && file->size() > m_minSize) { findVisibleDepth((Folder *)file, currentDepth + 1); //if no files greater than min size the depth is still recorded } } } //**** segments currently overlap at edges (i.e. end of first is start of next) bool RadialMap::Map::build(const Folder * const dir, const uint depth, uint a_start, const uint a_end) { //first iteration: dir == m_root if (dir->children() == 0) //we do fileCount rather than size to avoid chance of divide by zero later return false; FileSize hiddenSize = 0; uint hiddenFileCount = 0; for (File *file : dir->files) { if (file->size() < m_limits[depth] * 6) { // limit is half a degree? we want at least 3 degrees hiddenSize += file->size(); if (file->isFolder()) { //**** considered virtual, but dir wouldn't count itself! hiddenFileCount += static_cast(file)->children(); //need to add one to count the dir as well } ++hiddenFileCount; continue; } unsigned int a_len = (unsigned int)(5760 * ((double)file->size() / (double)m_root->size())); Segment *s = new Segment(file, a_start, a_len); m_signature[depth].append(s); if (file->isFolder()) { if (depth != m_visibleDepth) { //recurse s->m_hasHiddenChildren = build((Folder*)file, depth + 1, a_start, a_start + a_len); } else { s->m_hasHiddenChildren = true; } } a_start += a_len; //**** should we add 1? } if (hiddenFileCount == dir->children() && !Config::showSmallFiles) { return true; } if ((depth == 0 || Config::showSmallFiles) && hiddenSize >= m_limits[depth] && hiddenFileCount > 0) { //append a segment for unrepresented space - a "fake" segment const QString s = i18np("1 file, with an average size of %2", "%1 files, with an average size of %2", hiddenFileCount, KFormat().formatByteSize(hiddenSize/hiddenFileCount)); (m_signature + depth)->append(new Segment(new File(s.toUtf8().constData(), hiddenSize), a_start, a_end - a_start, true)); } return false; } bool RadialMap::Map::resize(const QRect &rect) { //there's a MAP_2MARGIN border #define mw width() #define mh height() #define cw rect.width() #define ch rect.height() if (cw < mw || ch < mh || (cw > mw && ch > mh)) { uint size = ((cw < ch) ? cw : ch) - MAP_2MARGIN; //this also causes uneven sizes to always resize when resizing but map is small in that dimension //size -= size % 2; //even sizes mean less staggered non-antialiased resizing { const uint minSize = MIN_RING_BREADTH * 2 * (m_visibleDepth + 2); if (size < minSize) size = minSize; //this QRect is used by paint() m_rect.setRect(0,0,size,size); } m_pixmap = QPixmap(m_rect.size()); //resize the pixmap size += MAP_2MARGIN; if (m_signature != nullptr) { setRingBreadth(); paint(); } return true; } #undef mw #undef mh #undef cw #undef ch return false; } void RadialMap::Map::colorise() { if (!m_signature || m_signature->isEmpty()) { qCDebug(FILELIGHT_LOG) << "no signature yet"; return; } QColor cp, cb; double darkness = 1; double contrast = (double)Config::contrast / (double)100; int h, s1, s2, v1, v2; QPalette palette; const QColor kdeColour[2] = { palette.windowText().color(), palette.window().color() }; double deltaRed = (double)(kdeColour[0].red() - kdeColour[1].red()) / 2880; //2880 for semicircle double deltaGreen = (double)(kdeColour[0].green() - kdeColour[1].green()) / 2880; double deltaBlue = (double)(kdeColour[0].blue() - kdeColour[1].blue()) / 2880; if (m_summary) { // Summary view has its own colors, special cased. cp = Qt::gray; cb = Qt::white; m_signature[0][0]->setPalette(cp, cb); // need to check in case there's no free space if (m_signature[0].size() > 1) { cb = QApplication::palette().highlight().color(); cb.getHsv(&h, &s1, &v1); if (s1 > 80) { s1 = 80; } v2 = v1 - int(contrast * v1); s2 = s1 + int(contrast * (255 - s1)); cb.setHsv(h, s1, v1); cp.setHsv(h, s2, v2); m_signature[0][1]->setPalette(cp, cb); } return; } for (uint i = 0; i <= m_visibleDepth; ++i, darkness += 0.04) { for (Segment *segment : m_signature[i]) { switch (Config::scheme) { case Filelight::KDE: { //gradient will work by figuring out rgb delta values for 360 degrees //then each component is angle*delta int a = segment->start(); if (a > 2880) a = 2880 - (a - 2880); h = (int)(deltaRed * a) + kdeColour[1].red(); s1 = (int)(deltaGreen * a) + kdeColour[1].green(); v1 = (int)(deltaBlue * a) + kdeColour[1].blue(); cb.setRgb(h, s1, v1); cb.getHsv(&h, &s1, &v1); break; } case Filelight::HighContrast: cp.setHsv(0, 0, 0); //values of h, s and v are irrelevant cb.setHsv(180, 0, int(255.0 * contrast)); segment->setPalette(cp, cb); continue; default: h = int(segment->start() / 16); s1 = 160; v1 = (int)(255.0 / darkness); //****doing this more often than once seems daft! } v2 = v1 - int(contrast * v1); s2 = s1 + int(contrast * (255 - s1)); if (s1 < 80) s1 = 80; //can fall too low and makes contrast between the files hard to discern if (segment->isFake()) { //multi-file cb.setHsv(h, s2, (v2 < 90) ? 90 : v2); //too dark if < 100 cp.setHsv(h, 17, v1); } else if (!segment->file()->isFolder()) { //file cb.setHsv(h, 17, v1); cp.setHsv(h, 17, v2); } else { //folder cb.setHsv(h, s1, v1); //v was 225 cp.setHsv(h, s2, v2); //v was 225 - delta } segment->setPalette(cp, cb); //TODO: //**** may be better to store KDE colours as H and S and vary V as others //**** perhaps make saturation difference for s2 dependent on contrast too //**** fake segments don't work with highContrast //**** may work better with cp = cb rather than Qt::white //**** you have to ensure the grey of files is sufficient, currently it works only with rainbow (perhaps use contrast there too) //**** change v1,v2 to vp, vb etc. //**** using percentages is not strictly correct as the eye doesn't work like that //**** darkness factor is not done for kde_colour scheme, and also value for files is incorrect really for files in this scheme as it is not set like rainbow one is } } } void RadialMap::Map::paint(bool antialias) { KColorScheme scheme(QPalette::Active, KColorScheme::View); QPainter paint; QRect rect = m_rect; - rect.adjust(5, 5, -5, -5); + rect.adjust(MAP_HIDDEN_TRIANGLE_SIZE, MAP_HIDDEN_TRIANGLE_SIZE, -MAP_HIDDEN_TRIANGLE_SIZE, -MAP_HIDDEN_TRIANGLE_SIZE); m_pixmap.fill(Qt::transparent); //m_rect.moveRight(1); // Uncommenting this breaks repainting when recreating map from cache //**** best option you can think of is to make the circles slightly less perfect, // ** i.e. slightly eliptic when resizing inbetween if (m_pixmap.isNull()) return; if (!paint.begin(&m_pixmap)) { qWarning() << "Filelight::RadialMap Failed to initialize painting, returning..."; return; } if (antialias && Config::antialias) { paint.translate(0.7, 0.7); paint.setRenderHint(QPainter::Antialiasing); } int step = m_ringBreadth; int excess = -1; //do intelligent distribution of excess to prevent nasty resizing if (m_ringBreadth != MAX_RING_BREADTH && m_ringBreadth != MIN_RING_BREADTH) { excess = rect.width() % m_ringBreadth; ++step; } for (int x = m_visibleDepth; x >= 0; --x) { int width = rect.width() / 2; //clever geometric trick to find largest angle that will give biggest arrow head - uint a_max = int(acos((double)width / double((width + 5))) * (180*16 / M_PI)); + uint a_max = int(acos((double)width / double((width + MAP_HIDDEN_TRIANGLE_SIZE))) * (180*16 / M_PI)); for (Segment *segment : m_signature[x]) { //draw the pie segments, most of this code is concerned with drawing the little //arrows on the ends of segments when they have hidden files + paint.setPen(segment->pen()); paint.setPen(segment->pen()); + paint.setBrush(segment->brush()); + paint.drawPie(rect, segment->start(), segment->length()); - if (segment->hasHiddenChildren()) - { + if (segment->hasHiddenChildren()) { //draw arrow head to indicate undisplayed files/directories QPolygon pts(3); QPoint pos, cpos = rect.center(); uint a[3] = { segment->start(), segment->length(), 0 }; a[2] = a[0] + (a[1] / 2); //assign to halfway between if (a[1] > a_max) { a[1] = a_max; a[0] = a[2] - a_max / 2; } a[1] += a[0]; - for (int i = 0, radius = width; i < 3; ++i) - { + for (int i = 0, radius = width; i < 3; ++i) { double ra = M_PI/(180*16) * a[i], sinra, cosra; - if (i == 2) - radius += 5; + if (i == 2) { + radius += MAP_HIDDEN_TRIANGLE_SIZE; + } + sincos(ra, &sinra, &cosra); pos.rx() = cpos.x() + static_cast(cosra * radius); pos.ry() = cpos.y() - static_cast(sinra * radius); pts.setPoint(i, pos); } paint.setBrush(segment->pen()); paint.drawPolygon(pts); - } - - paint.setBrush(segment->brush()); - paint.drawPie(rect, segment->start(), segment->length()); - if (segment->hasHiddenChildren()) { + // Draw outline on the arc for hidden children //**** code is bloated! QPen pen = paint.pen(); pen.setCapStyle(Qt::FlatCap); int width = 2; pen.setWidth(width); paint.setPen(pen); QRect rect2 = rect; width /= 2; rect2.adjust(width, width, -width, -width); paint.drawArc(rect2, segment->start(), segment->length()); } } if (excess >= 0) { //excess allows us to resize more smoothly (still crud tho) if (excess < 2) //only decrease rect by more if even number of excesses left --step; excess -= 2; } rect.adjust(step, step, -step, -step); } // if(excess > 0) rect.addCoords(excess, excess, 0, 0); //ugly paint.setPen(scheme.foreground().color()); paint.setBrush(scheme.background().color()); paint.drawEllipse(rect); paint.drawText(rect, Qt::AlignCenter, m_centerText); m_innerRadius = rect.width() / 2; //rect.width should be multiple of 2 paint.end(); } diff --git a/src/radialMap/radialMap.h b/src/radialMap/radialMap.h index 5bbba10..2cc6622 100644 --- a/src/radialMap/radialMap.h +++ b/src/radialMap/radialMap.h @@ -1,109 +1,111 @@ /*********************************************************************** * Copyright 2003-2004 Max Howell * Copyright 2008-2009 Martin Sandsmark * * 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) version 3 or any later version * accepted by the membership of KDE e.V. (or its successor approved * by the membership of KDE e.V.), which shall act as a proxy * defined in Section 14 of version 3 of the license. * * 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, see . ***********************************************************************/ #ifndef RADIALMAP_H #define RADIALMAP_H #include class File; namespace RadialMap { class Segment //all angles are in 16ths of degrees { public: Segment(const File *f, uint s, uint l, bool isFake = false) : m_angleStart(s) , m_angleSegment(l) , m_file(f) , m_hasHiddenChildren(false) , m_fake(isFake) {} ~Segment(); uint start() const { return m_angleStart; } uint length() const { return m_angleSegment; } uint end() const { return m_angleStart + m_angleSegment; } const File *file() const { return m_file; } const QColor& pen() const { return m_pen; } const QColor& brush() const { return m_brush; } bool isFake() const { return m_fake; } bool hasHiddenChildren() const { return m_hasHiddenChildren; } bool intersects(uint a) const { return ((a >= start()) && (a < end())); } friend class Map; friend class Builder; private: void setPalette(const QColor &p, const QColor &b) { m_pen = p; m_brush = b; } const uint m_angleStart, m_angleSegment; const File* const m_file; QColor m_pen, m_brush; bool m_hasHiddenChildren; const bool m_fake; }; } #ifndef PI #define PI 3.141592653589793 #endif #ifndef M_PI #define M_PI 3.14159265358979323846264338327 #endif #define MIN_RING_BREADTH 20 #define MAX_RING_BREADTH 60 #define DEFAULT_RING_DEPTH 4 //first level = 0 #define MIN_RING_DEPTH 0 +#define MAP_HIDDEN_TRIANGLE_SIZE 5 + #define LABEL_MAP_SPACER 7 #define LABEL_TEXT_HMARGIN 5 #define LABEL_TEXT_VMARGIN 0 #define LABEL_ANGLE_MARGIN 32 #define LABEL_MIN_ANGLE_FACTOR 0.05 #define LABEL_MAX_CHARS 30 #endif