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Change selection colours so selection background takes text colour, and selected text becomes black or white -- whichever gives greatest contrast.

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This commit is contained in:
Michael Drake 2013-02-15 16:07:56 +00:00
parent 893eba326d
commit 427f13a716
1 changed files with 6 additions and 9 deletions
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15
render/html_redraw.c
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@ -185,7 +185,7 @@ bool text_redraw(const char *utf8_text, size_t utf8_len,
bool clip_changed = false;
bool text_visible = true;
int startx, endx;
plot_style_t *pstyle_fill_hback = plot_style_fill_white;
plot_style_t pstyle_fill_hback = *plot_style_fill_white;
plot_font_style_t fstyle_hback = plot_fstyle;
if (end_idx > utf8_len) {
@ -221,15 +221,12 @@ bool text_redraw(const char *utf8_text, size_t utf8_len,
&plot_fstyle))
return false;
/* decide whether highlighted portion is to be
* white-on-black or black-on-white */
if ((fstyle->background & 0x808080) == 0x808080)
pstyle_fill_hback = plot_style_fill_black;
pstyle_fill_hback.fill_colour = fstyle->foreground;
/* highlighted portion */
if (!plot->rectangle(x + startx, y, x + endx,
y + height * scale,
pstyle_fill_hback))
&pstyle_fill_hback))
return false;
if (start_idx > 0) {
@ -250,9 +247,9 @@ bool text_redraw(const char *utf8_text, size_t utf8_len,
}
fstyle_hback.background =
pstyle_fill_hback->fill_colour;
fstyle_hback.foreground =
pstyle_fill_hback->fill_colour ^ 0xffffff;
pstyle_fill_hback.fill_colour;
fstyle_hback.foreground = colour_to_bw_furthest(
pstyle_fill_hback.fill_colour);
if (text_visible &&
!plot->text(x, y + (int)(height * 0.75 * scale),