mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-23 04:26:50 +03:00
nscolour: Add nscolour module for NetSurf UI colours.
This commit is contained in:
Michael Drake
parent
0ab6249a64
commit
2e844636cb
187
utils/nscolour.c
Normal file
187
utils/nscolour.c
Normal file
@ -0,0 +1,187 @@
|
||||
/*
|
||||
* Copyright 2020 Michael Drake <tlsa@netsurf-browser.org>
|
||||
*
|
||||
* This file is part of NetSurf, http://www.netsurf-browser.org/
|
||||
*
|
||||
* NetSurf is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; version 2 of the License.
|
||||
*
|
||||
* NetSurf is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/**
|
||||
* \file
|
||||
* NetSurf UI colours (implementation).
|
||||
*
|
||||
* Builds common colours used throughout NetSurf's interface.
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <assert.h>
|
||||
#include <stddef.h>
|
||||
#include <stdbool.h>
|
||||
|
||||
#include "netsurf/plot_style.h"
|
||||
|
||||
#include "utils/errors.h"
|
||||
#include "utils/nscolour.h"
|
||||
#include "desktop/system_colour.h"
|
||||
|
||||
colour nscolours[NSCOLOUR__COUNT];
|
||||
|
||||
/**
|
||||
* Set some colours up from a couple of system colour entries.
|
||||
*
|
||||
* \param[in] name_bg Name of choices string for background colour lookup.
|
||||
* \param[in] name_fg Name of choices string for foreground colour lookup.
|
||||
* \param[in] bg_num Numerator for background adjustment ratio.
|
||||
* \param[in] bg_den Denominator for backfground adjustment ratio.
|
||||
* \param[out] bg Returns the background colour.
|
||||
* \param[out] bg_hover Returns the hovered background colour.
|
||||
* \param[out] fg Returns the foreground colour.
|
||||
* \param[out] fg_subtle Returns the subtle foreground colour.
|
||||
* \param[out] fg_faded Returns the faded foreground colour.
|
||||
* \param[out] fg_good Returns the good foreground colour.
|
||||
* \param[out] fg_bad Returns the bad foreground colour.
|
||||
* \param[out] border Returns the border colour.
|
||||
*/
|
||||
static nserror nscolour__get(
|
||||
const char *name_bg,
|
||||
const char *name_fg,
|
||||
unsigned bg_num,
|
||||
unsigned bg_den,
|
||||
colour *bg,
|
||||
colour *bg_hover,
|
||||
colour *fg,
|
||||
colour *fg_subtle,
|
||||
colour *fg_faded,
|
||||
colour *fg_good,
|
||||
colour *fg_bad,
|
||||
colour *border)
|
||||
{
|
||||
nserror res;
|
||||
bool dark_mode;
|
||||
colour bg_temp;
|
||||
|
||||
assert(name_bg != NULL);
|
||||
assert(name_fg != NULL);
|
||||
assert(bg != NULL);
|
||||
assert(fg != NULL);
|
||||
|
||||
res = ns_system_colour_char(name_bg, &bg_temp);
|
||||
if (res != NSERROR_OK) {
|
||||
return res;
|
||||
}
|
||||
|
||||
res = ns_system_colour_char(name_fg, fg);
|
||||
if (res != NSERROR_OK) {
|
||||
return res;
|
||||
}
|
||||
|
||||
*bg = mix_colour(bg_temp, *fg, 255 * bg_num / bg_den);
|
||||
|
||||
dark_mode = colour_lightness(*fg) > colour_lightness(*bg);
|
||||
|
||||
if (bg_hover != NULL) {
|
||||
*bg_hover = dark_mode ?
|
||||
half_lighten_colour(*bg) :
|
||||
half_darken_colour(*bg);
|
||||
}
|
||||
|
||||
if (fg_subtle != NULL) {
|
||||
*fg_subtle = mix_colour(*fg, *bg, 255 * 25 / 32);
|
||||
}
|
||||
|
||||
if (fg_faded != NULL) {
|
||||
*fg_faded = mix_colour(*fg, *bg, 255 * 20 / 32);
|
||||
}
|
||||
|
||||
if (fg_good != NULL) {
|
||||
*fg_good = colour_engorge_component(*fg, !dark_mode,
|
||||
PLOT_COLOUR_COMPONENT_GREEN);
|
||||
}
|
||||
|
||||
if (fg_bad != NULL) {
|
||||
*fg_bad = colour_engorge_component(*fg, !dark_mode,
|
||||
PLOT_COLOUR_COMPONENT_RED);
|
||||
}
|
||||
|
||||
if (border != NULL) {
|
||||
*border = mix_colour(*fg, bg_temp, 255 * 8 / 32);
|
||||
}
|
||||
|
||||
return NSERROR_OK;
|
||||
}
|
||||
|
||||
/* Exported interface, documented in utils/nscolour.h */
|
||||
nserror nscolour_update(void)
|
||||
{
|
||||
nserror res;
|
||||
|
||||
res = nscolour__get("Window", "WindowText", 16, 16,
|
||||
&nscolours[NSCOLOUR_WIN_EVEN_BG],
|
||||
&nscolours[NSCOLOUR_WIN_EVEN_BG_HOVER],
|
||||
&nscolours[NSCOLOUR_WIN_EVEN_FG],
|
||||
&nscolours[NSCOLOUR_WIN_EVEN_FG_SUBTLE],
|
||||
&nscolours[NSCOLOUR_WIN_EVEN_FG_FADED],
|
||||
&nscolours[NSCOLOUR_WIN_EVEN_FG_GOOD],
|
||||
&nscolours[NSCOLOUR_WIN_EVEN_FG_BAD],
|
||||
&nscolours[NSCOLOUR_WIN_EVEN_BORDER]);
|
||||
if (res != NSERROR_OK) {
|
||||
return res;
|
||||
}
|
||||
|
||||
res = nscolour__get("Window", "WindowText", 15, 16,
|
||||
&nscolours[NSCOLOUR_WIN_ODD_BG],
|
||||
&nscolours[NSCOLOUR_WIN_ODD_BG_HOVER],
|
||||
&nscolours[NSCOLOUR_WIN_ODD_FG],
|
||||
&nscolours[NSCOLOUR_WIN_ODD_FG_SUBTLE],
|
||||
&nscolours[NSCOLOUR_WIN_ODD_FG_FADED],
|
||||
&nscolours[NSCOLOUR_WIN_ODD_FG_GOOD],
|
||||
&nscolours[NSCOLOUR_WIN_ODD_FG_BAD],
|
||||
&nscolours[NSCOLOUR_WIN_ODD_BORDER]);
|
||||
if (res != NSERROR_OK) {
|
||||
return res;
|
||||
}
|
||||
|
||||
res = nscolour__get("Highlight", "HighlightText", 16, 16,
|
||||
&nscolours[NSCOLOUR_SEL_BG],
|
||||
NULL,
|
||||
&nscolours[NSCOLOUR_SEL_FG],
|
||||
&nscolours[NSCOLOUR_SEL_FG_SUBTLE],
|
||||
NULL,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL);
|
||||
if (res != NSERROR_OK) {
|
||||
return res;
|
||||
}
|
||||
|
||||
res = ns_system_colour_char("Scrollbar",
|
||||
&nscolours[NSCOLOUR_SCROLL_WELL]);
|
||||
if (res != NSERROR_OK) {
|
||||
return res;
|
||||
}
|
||||
|
||||
res = nscolour__get("ButtonFace", "ButtonText", 16, 16,
|
||||
&nscolours[NSCOLOUR_BUTTON_BG],
|
||||
NULL,
|
||||
&nscolours[NSCOLOUR_BUTTON_FG],
|
||||
NULL,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL);
|
||||
if (res != NSERROR_OK) {
|
||||
return res;
|
||||
}
|
||||
|
||||
return NSERROR_OK;
|
||||
}
|
||||
71
utils/nscolour.h
Normal file
71
utils/nscolour.h
Normal file
@ -0,0 +1,71 @@
|
||||
/*
|
||||
* Copyright 2020 Michael Drake <tlsa@netsurf-browser.org>
|
||||
*
|
||||
* This file is part of NetSurf, http://www.netsurf-browser.org/
|
||||
*
|
||||
* NetSurf is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; version 2 of the License.
|
||||
*
|
||||
* NetSurf is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
/** \file
|
||||
* NetSurf UI colours (interface).
|
||||
*
|
||||
* Interface to acquire common colours used throughout NetSurf's interface.
|
||||
*/
|
||||
|
||||
#ifndef _NETSURF_UTILS_NSCOLOUR_H_
|
||||
#define _NETSURF_UTILS_NSCOLOUR_H_
|
||||
|
||||
#include "netsurf/types.h"
|
||||
|
||||
/**
|
||||
* NetSurf UI colour key.
|
||||
*/
|
||||
enum nscolour {
|
||||
NSCOLOUR_WIN_ODD_BG,
|
||||
NSCOLOUR_WIN_ODD_BG_HOVER,
|
||||
NSCOLOUR_WIN_ODD_FG,
|
||||
NSCOLOUR_WIN_ODD_FG_SUBTLE,
|
||||
NSCOLOUR_WIN_ODD_FG_FADED,
|
||||
NSCOLOUR_WIN_ODD_FG_GOOD,
|
||||
NSCOLOUR_WIN_ODD_FG_BAD,
|
||||
NSCOLOUR_WIN_ODD_BORDER,
|
||||
NSCOLOUR_WIN_EVEN_BG,
|
||||
NSCOLOUR_WIN_EVEN_BG_HOVER,
|
||||
NSCOLOUR_WIN_EVEN_FG,
|
||||
NSCOLOUR_WIN_EVEN_FG_SUBTLE,
|
||||
NSCOLOUR_WIN_EVEN_FG_FADED,
|
||||
NSCOLOUR_WIN_EVEN_FG_GOOD,
|
||||
NSCOLOUR_WIN_EVEN_FG_BAD,
|
||||
NSCOLOUR_WIN_EVEN_BORDER,
|
||||
NSCOLOUR_SEL_BG,
|
||||
NSCOLOUR_SEL_FG,
|
||||
NSCOLOUR_SEL_FG_SUBTLE,
|
||||
NSCOLOUR_SCROLL_WELL,
|
||||
NSCOLOUR_BUTTON_BG,
|
||||
NSCOLOUR_BUTTON_FG,
|
||||
NSCOLOUR__COUNT,
|
||||
};
|
||||
|
||||
/**
|
||||
* NetSurf UI colour table.
|
||||
*/
|
||||
extern colour nscolours[];
|
||||
|
||||
/**
|
||||
* Update the nscolour table from the current nsoptions.
|
||||
*
|
||||
* \return NSERROR_OK on success, or appropriate error otherwise.
|
||||
*/
|
||||
nserror nscolour_update(void);
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user