X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Ffrontends%2Fqt4%2FColorCache.cpp;h=6036099e473e051e6c52e4edf0f4eba5ade98135;hb=b6eacd8d4f86734e8abef3335b190ce12a6a11b5;hp=16c4497eab66ea07afa86bce84cb34be57b26724;hpb=bbb9cb65e779ac3d1c563df1d44dab2236a7c1fd;p=lyx.git

diff --git a/src/frontends/qt4/ColorCache.cpp b/src/frontends/qt4/ColorCache.cpp
index 16c4497eab..6036099e47 100644
--- a/src/frontends/qt4/ColorCache.cpp
+++ b/src/frontends/qt4/ColorCache.cpp
@@ -10,18 +10,110 @@
 
 #include <config.h>
 
+#include "LyXRC.h"
+
 #include "ColorCache.h"
+#include "ColorSet.h"
 
-#include "Color.h"
+namespace lyx {
 
-#include <string>
+namespace{
+
+QPalette::ColorRole role(ColorCode col)
+{
+	switch (ColorCode(col)) {
+	case Color_background:
+	case Color_commentbg:
+	case Color_greyedoutbg:
+	case Color_mathbg:
+	case Color_graphicsbg:
+	case Color_mathmacrobg:
+	case Color_mathcorners:
+		return QPalette::Base;
+		break;
+
+	case Color_foreground:
+	case Color_cursor:
+	case Color_preview:
+	case Color_tabularline:
+	case Color_previewframe:
+		return QPalette::Text;
+		break;
+
+	case Color_selection:
+		return QPalette::Highlight;
+		break;
+	case Color_selectiontext:
+		return QPalette::HighlightedText;
+		break;
+	case Color_urllabel:
+	case Color_urltext:
+		return QPalette::Link;
+	default:
+		return QPalette::NoRole;
+	}
+}
+
+} // namespace
 
-namespace lyx {
 
 void ColorCache::init()
 {
-	for (int col = 0; col <= Color_ignore; ++col)
+	for (int col = 0; col <= Color_ignore; ++col) {
 		lcolors_[col] = QColor(lcolor.getX11Name(ColorCode(col)).c_str());
+	}
+
+	initialized_ = true;
+}
+
+
+/// get the given color
+QColor ColorCache::get(Color const & color) const
+{
+	return get(color, lyxrc.use_system_colors);
+}
+
+
+/// get the given color
+QColor ColorCache::get(Color const & color, bool syscolors) const
+{
+	if (!initialized_)
+		const_cast<ColorCache *>(this)->init();
+	if (color <= Color_ignore && color.mergeColor == Color_ignore) {
+		QPalette::ColorRole const cr = role(color.baseColor);
+		if (syscolors && cr != QPalette::NoRole) {
+			static QColor const white = Qt::white;
+			QColor const c = pal_.brush(QPalette::Active, cr).color();
+			if (cr == QPalette::Base && c == white)
+				return lcolors_[color.baseColor];
+			else
+				return c;
+		} else
+			return lcolors_[color.baseColor];
+	}
+	if (color.mergeColor != Color_ignore) {
+		// FIXME: This would ideally be done in the Color class, but
+		// that means that we'd have to use the Qt code in the core.
+		QColor base_color = get(color.baseColor, syscolors).toRgb();
+		QColor merge_color = get(color.mergeColor, syscolors).toRgb();
+		return QColor(
+			(base_color.red() + merge_color.red()) / 2,
+			(base_color.green() + merge_color.green()) / 2,
+			(base_color.blue() + merge_color.blue()) / 2);
+	}
+	// used by branches
+	return QColor(lcolor.getX11Name(color.baseColor).c_str());
+}
+
+
+bool ColorCache::isSystem(ColorCode const color) const
+{
+	QPalette::ColorRole const cr = role(color);
+	if (cr == QPalette::Base) {
+		static QColor const white = Qt::white;
+		return pal_.brush(QPalette::Active, cr).color() != white;
+	} else
+		return cr != QPalette::NoRole;
 }