Mercurial > pidgin3 / annotate

pidgin/pidginstyle.c@559881c7bf92 (annotated)

pidgin/pidginstyle.c

Tue, 10 Nov 2020 01:11:31 -0600

author
Gary Kramlich <grim@reaperworld.com>
date
Tue, 10 Nov 2020 01:11:31 -0600
changeset 40592
559881c7bf92
parent 39277
pidgin/gtkstyle.c@68c17ba18f33
permissions
-rw-r--r--

Rename gtkstyle.[ch] to pidginstyle.[ch] and fix up the dark mode check.

Testing Done:
* Ran with arc-dark and adwatia.
* Stepped through the debugger to make sure it was detected right.
* Joined a muc with both themes, the colors change but there're impossible to see as most of that code is elsewhere and not addressed in this review request.
* Also noticed that nicks in mucs are doubled, not sure what, but it's that way with out this patch as well.

Reviewed at https://reviews.imfreedom.org/r/208/

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1 /*
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2 * Pidgin - Internet Messenger
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3 * Copyright (C) Pidgin Developers <devel@pidgin.im>
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4 *
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5 * Pidgin is the legal property of its developers, whose names are too numerous
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6 * to list here. Please refer to the COPYRIGHT file distributed with this
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7 * source distribution.
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8 *
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9 * This program is free software; you can redistribute it and/or modify
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10 * under the terms of the GNU General Public License as published by
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11 * the Free Software Foundation; either version 2 of the License, or
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12 * (at your option) any later version.
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13 *
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14 * This program is distributed in the hope that it will be useful,
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15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 * GNU General Public License for more details.
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18 *
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19 * You should have received a copy of the GNU General Public License
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20 * along with this library; if not, see <https://www.gnu.org/licenses/>.
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21 */
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22
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23 #include "pidgin/pidginstyle.h"
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24
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25 /* Assume light mode */
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26 static gboolean dark_mode_have_cache = FALSE;
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27 static gboolean dark_mode_cached_value = FALSE;
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28
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29 gboolean
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30 pidgin_style_is_dark(GtkStyle *style) {
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31 G_GNUC_BEGIN_IGNORE_DEPRECATIONS
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32
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33 GdkColor bg;
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34 gdouble luminance = 0.0;
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35
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36 if(style == NULL) {
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37 if(dark_mode_have_cache) {
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38 return dark_mode_cached_value;
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39 }
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40
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41 style = gtk_widget_get_default_style();
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42 }
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43
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44 bg = style->base[GTK_STATE_NORMAL];
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45
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46 /* magic values are taken from https://en.wikipedia.org/wiki/Luma_(video)
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47 * Rec._601_luma_versus_Rec._709_luma_coefficients.
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48 */
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49 luminance = (0.299 * bg.red) + (0.587 * bg.green) + (0.114 * bg.blue);
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50
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parents: 39277
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51 G_GNUC_END_IGNORE_DEPRECATIONS
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52
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53 dark_mode_cached_value = (luminance < 0x7FFF);
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54 dark_mode_have_cache = TRUE;
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55
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56 return dark_mode_cached_value;
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57 }
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58
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59 void
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60 pidgin_style_adjust_contrast(GtkStyle *style, GdkRGBA *rgba) {
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61 if (pidgin_style_is_dark(style)) {
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62 gdouble h, s, v;
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63
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64 gtk_rgb_to_hsv(rgba->red, rgba->green, rgba->blue, &h, &s, &v);
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65
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66 v += 0.3;
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67 v = v > 1.0 ? 1.0 : v;
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68 s = 0.7;
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69
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70 gtk_hsv_to_rgb(h, s, v, &rgba->red, &rgba->green, &rgba->blue);
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71 }
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72 }

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