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/* stock_icon.cpp
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0+*/
#include <ui/qt/utils/stock_icon.h>
// Stock icons. Based on gtk/stock_icons.h
// Toolbar icon sizes:
// macOS freestanding: 32x32, 32x32@2x, segmented (inside a button): <= 19x19
// Windows: 16x16, 24x24, 32x32
// GNOME: 24x24 (default), 48x48
// References:
//
// http://standards.freedesktop.org/icon-theme-spec/icon-theme-spec-latest.html
// http://standards.freedesktop.org/icon-naming-spec/icon-naming-spec-latest.html
//
// http://mithatkonar.com/wiki/doku.php/qt/icons
//
// https://developer.apple.com/library/mac/documentation/userexperience/conceptual/applehiguidelines/IconsImages/IconsImages.html#//apple_ref/doc/uid/20000967-TPXREF102
// http://msdn.microsoft.com/en-us/library/windows/desktop/dn742485.aspx
// https://developer.gnome.org/hig-book/stable/icons-types.html.en
// http://msdn.microsoft.com/en-us/library/ms246582.aspx
// To do:
// - 32x32, 48x48, 64x64, and unscaled (.svg) icons
// - Indent find & go actions when those panes are open.
// - Replace or remove:
// WIRESHARK_STOCK_CAPTURE_FILTER x-capture-filter
// WIRESHARK_STOCK_DISPLAY_FILTER x-display-filter
// GTK_STOCK_SELECT_COLOR x-coloring-rules
// GTK_STOCK_PREFERENCES preferences-system
// GTK_STOCK_HELP help-contents
#include "wireshark_application.h"
#include <QFile>
#include <QFontMetrics>
#include <QMap>
#include <QPainter>
#include <QStyle>
static const QString path_pfx_ = ":/stock_icons/";
// Map FreeDesktop icon names to Qt standard pixmaps.
static QMap<QString, QStyle::StandardPixmap> icon_name_to_standard_pixmap_;
StockIcon::StockIcon(const QString icon_name) :
QIcon()
{
if (icon_name_to_standard_pixmap_.isEmpty()) {
fillIconNameMap();
}
// Does our theme contain this icon?
// X11 only as per the QIcon documentation.
if (hasThemeIcon(icon_name)) {
QIcon theme_icon = fromTheme(icon_name);
swap(theme_icon);
return;
}
// Is this is an icon we've manually mapped to a standard pixmap below?
if (icon_name_to_standard_pixmap_.contains(icon_name)) {
QIcon standard_icon = wsApp->style()->standardIcon(icon_name_to_standard_pixmap_[icon_name]);
swap(standard_icon);
return;
}
// Is this one of our locally sourced, cage-free, organic icons?
QStringList types = QStringList() << "14x14" << "16x16" << "24x14" << "24x24";
foreach (QString type, types) {
QString icon_path = path_pfx_ + QString("%1/%2.png").arg(type).arg(icon_name);
if (QFile::exists(icon_path)) {
addFile(icon_path);
}
// Along with each name check for "<name>.active" and
// "<name>.selected" for the Active and Selected modes, and
// "<name>.on" to use for the on (checked) state.
// XXX Allow more (or all) combinations.
QString icon_path_active = path_pfx_ + QString("%1/%2.active.png").arg(type).arg(icon_name);
if (QFile::exists(icon_path_active)) {
addFile(icon_path_active, QSize(), QIcon::Active, QIcon::On);
}
QString icon_path_selected = path_pfx_ + QString("%1/%2.selected.png").arg(type).arg(icon_name);
if (QFile::exists(icon_path_selected)) {
addFile(icon_path_selected, QSize(), QIcon::Selected, QIcon::On);
}
QString icon_path_on = path_pfx_ + QString("%1/%2.on.png").arg(type).arg(icon_name);
if (QFile::exists(icon_path_on)) {
addFile(icon_path_on, QSize(), QIcon::Normal, QIcon::On);
}
}
}
// Create a square icon filled with the specified color.
QIcon StockIcon::colorIcon(const QRgb bg_color, const QRgb fg_color, const QString glyph)
{
QList<int> sizes = QList<int>() << 12 << 16 << 24 << 32 << 48;
QIcon color_icon;
foreach (int size, sizes) {
QPixmap pm(size, size);
QPainter painter(&pm);
QRect border(0, 0, size - 1, size - 1);
painter.setPen(fg_color);
painter.setBrush(QColor(bg_color));
painter.drawRect(border);
if (!glyph.isEmpty()) {
QFont font(wsApp->font());
font.setPointSizeF(size / 2.0);
painter.setFont(font);
QRectF bounding = painter.boundingRect(pm.rect(), glyph, Qt::AlignHCenter | Qt::AlignVCenter);
painter.drawText(bounding, glyph);
}
color_icon.addPixmap(pm);
}
return color_icon;
}
void StockIcon::fillIconNameMap()
{
// Note that some of Qt's standard pixmaps are awful. We shouldn't add an
// entry just because a match can be made.
icon_name_to_standard_pixmap_["document-open"] = QStyle::SP_DirIcon;
icon_name_to_standard_pixmap_["media-playback-pause"] = QStyle::SP_MediaPause;
icon_name_to_standard_pixmap_["media-playback-start"] = QStyle::SP_MediaPlay;
icon_name_to_standard_pixmap_["media-playback-stop"] = QStyle::SP_MediaStop;
}
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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