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GuiDelimiter: use highlight text color if icon is selected

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This commit is contained in:
Juergen Spitzmueller 2021-02-06 16:25:55 +01:00
parent 7c33e2fc08
commit 5c1a6468ac
1 changed files with 26 additions and 1 deletions
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27
src/frontends/qt/GuiDelimiter.cpp
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@ -26,6 +26,8 @@
#include "support/gettext.h"
#include "support/lstrings.h"
#include <QBitmap>
#include <QPainter>
#include <QPixmap>
#include <QCheckBox>
#include <QListWidgetItem>
@ -87,6 +89,27 @@ struct MathSymbol {
string icon;
};
QPixmap getSelectedPixmap(QPixmap pixmap)
{
QPalette palette = QPalette();
QColor text_color = (guiApp->isInDarkMode())
? palette.color(QPalette::Active, QPalette::WindowText)
: Qt::black;
QColor highlight_color = palette.color(QPalette::Active, QPalette::HighlightedText);
// create a layer with black text turned to QPalette::HighlightedText
QPixmap hl_overlay(pixmap.size());
hl_overlay.fill(highlight_color);
hl_overlay.setMask(pixmap.createMaskFromColor(text_color, Qt::MaskOutColor));
// put layers on top of existing pixmap
QPainter painter(&pixmap);
painter.drawPixmap(pixmap.rect(), hl_overlay);
return pixmap;
}
/// TeX-name / Math-symbol map.
static map<std::string, MathSymbol> math_symbols_;
/// Math-symbol / TeX-name map.
@ -216,7 +239,9 @@ GuiDelimiter::GuiDelimiter(GuiView & lv)
MathSymbol const & ms = mathSymbol(delim);
// get pixmap with bullets
QPixmap pixmap = getPixmap("images/math/", toqstr(ms.icon), "svgz,png");
QListWidgetItem * lwi = new QListWidgetItem(QIcon(pixmap), QString());
QIcon icon(pixmap);
icon.addPixmap(getSelectedPixmap(pixmap), QIcon::Selected);
QListWidgetItem * lwi = new QListWidgetItem(icon, QString());
setDelimiterName(lwi, delim);
left_list_items_[ms.unicode] = lwi;
lwi->setToolTip(toqstr(delim));