[LyX/master] GuiSearch: properly display indicators in dark mode

[Juergen Spitzmueller]

commit 9ee73dbb305d84aa0d0033f861bb759ac12d862a
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Thu Feb 18 15:44:27 2021 +0100

    GuiSearch: properly display indicators in dark mode
---
 src/frontends/qt/GuiSearch.cpp |   13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)

diff --git a/src/frontends/qt/GuiSearch.cpp b/src/frontends/qt/GuiSearch.cpp
index 323ac8a..0d3790c 100644
--- a/src/frontends/qt/GuiSearch.cpp
+++ b/src/frontends/qt/GuiSearch.cpp
@@ -226,7 +226,7 @@ void GuiSearchWidget::handleIndicators()
                if (pms > 0) {
                        int const gap = 3;
                        QPixmap tpixmap(pms * (bpixmap.width() + gap), 
bpixmap.height());
-                       tpixmap.fill();
+                       tpixmap.fill(Qt::transparent);
                        QPainter painter(&tpixmap);
                        int x = 0;
                        
@@ -263,9 +263,20 @@ void GuiSearchWidget::handleIndicators()
                                x += spixmap.width() + gap;
                        }
                        tip += "</ul>";
+                       painter.end();
+                       if (guiApp && guiApp->isInDarkMode()) {
+                               QImage img = tpixmap.toImage();
+                               img.invertPixels();
+                               tpixmap.convertFromImage(img);
+                       }
                        findLE_->setButtonPixmap(FancyLineEdit::Right, tpixmap);
                } else {
                        tip = qt_("Click here to change search options");
+                       if (guiApp && guiApp->isInDarkMode()) {
+                               QImage img = bpixmap.toImage();
+                               img.invertPixels();
+                               bpixmap.convertFromImage(img);
+                       }
                        findLE_->setButtonPixmap(FancyLineEdit::Right, bpixmap);
                }
        }
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