summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/tex/latex/beamertheme-focus/beamerouterthemefocus.sty
blob: 88e82d3c713ddec8052cd2684be7f95ee22a43e4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
% Copyright (C) 2018-2020 Pasquale Claudio Africa and the LaTeX community.
% A full list of contributors can be found at
%
%     https://github.com/elauksap/focus-beamertheme
% 
% This file is part of beamerthemefocus.
% 
% beamerthemefocus 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, either version 3 of the License, or
% (at your option) any later version.
% 
% beamerthemefocus 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 beamerthemefocus. If not, see <http://www.gnu.org/licenses/>.

\mode<presentation>

\RequirePackage{appendixnumberbeamer} % Don't number appendix frames.
% Fix hyperref warning caused by \appendix
% (https://tex.stackexchange.com/questions/192686/hyperref-warning-caused-by-beamer-appendix).
\newcommand*{\bkmtranslateto}{\languagename}
\newcommand*{\bkmtranslate}[1]{%
   	\ifcsname tr@@@\bkmtranslateto @#1\endcsname
   	\csname tr@@@\bkmtranslateto @#1\endcsname
   	\else
   	#1%
   	\fi
}
\pdfstringdefDisableCommands{\let\translate\bkmtranslate}
\RequirePackage{bookmark}

\RequirePackage{etoolbox} % \BeforeBeginEnvironment.
\RequirePackage{tikz}

\newcounter{realframenumber}

% FRAMETITLE TEMPLATES. --------------------------------------------------------
\defbeamertemplate*{frametitle}{focus}{%
    % If not title page.
    \ifnum\value{realframenumber}>0%
        \vspace{-1pt}%
        \begin{beamercolorbox}[wd=\paperwidth,leftskip=0.55cm,rightskip=0.55cm,sep=0.2cm]{frametitle}%
            \strut\insertframetitle\strut%
        \end{beamercolorbox}%
    \fi%
}

% Plain header.
\defbeamertemplate{frametitle}{plain}{%
    % If not title page.
    \ifnum\value{realframenumber}>0%
        \vspace{-1pt}%
        \begin{beamercolorbox}[wd=\paperwidth,leftskip=0.55cm,rightskip=0.55cm,sep=0.2cm,ignorebg]{frametitle}%
            \strut%
        \end{beamercolorbox}%
    \fi%
}


% FOOTLINE TEMPLATES. ----------------------------------------------------------
% Lenghts for the progress bar footline.
\newlength{\focus@pbar@height}% Progress bar height.
\newlength{\focus@pbar@leftoffset}
\newlength{\focus@pbar@rightoffset}

\defbeamertemplate*{footline}{progressbar}{%
    % If not appendix.
    \ifnum\mainend<0% From package appendixnumberbeamer.
        %
        \settowidth{\focus@pbar@leftoffset}{1}%
        \addtolength{\focus@pbar@leftoffset}{1.5em}%
        %
        \settowidth{\focus@pbar@rightoffset}{\inserttotalframenumber}%
        \addtolength{\focus@pbar@rightoffset}{1.5em}%
        %
        % If not title page.
        \ifnum\value{realframenumber}>0%
            \ifnum\value{framenumber}<\inserttotalframenumber%
                \begin{tikzpicture}[inner xsep=0.5em, inner ysep=0.5ex]\usebeamerfont{footline}
                    \pgfmathsetmacro{\focus@pbar@progress}%
                        {(\paperwidth-\focus@pbar@leftoffset-\focus@pbar@rightoffset)*(\insertframenumber/\inserttotalframenumber)}
                
                    \clip (0,0) rectangle ++(\paperwidth,\the\focus@pbar@height);
                    \fill[footline.bg] (0,0) rectangle ++(\the\focus@pbar@leftoffset,\the\focus@pbar@height);
                    
                    \fill[footline.bg] (\the\focus@pbar@leftoffset,0) rectangle ++(\focus@pbar@progress pt,\the\focus@pbar@height)
                                       ++(0,{-0.5*\the\focus@pbar@height}) node[anchor=east, text=footline.fg] {\strut\insertframenumber};
                    
                    \fill[footline.bg] (\paperwidth,0) rectangle ++(-\the\focus@pbar@rightoffset,\the\focus@pbar@height)
                                       ++(0,{-0.5*\the\focus@pbar@height}) node[anchor=west, text=footline.fg] {\strut\inserttotalframenumber};
                \end{tikzpicture}%
            \else%
                \begin{tikzpicture}[inner xsep=0.5em, inner ysep=0.5ex]
                    \clip (0,0) rectangle ++(\paperwidth,\the\focus@pbar@height);
                    \fill[footline.bg] (0,0) rectangle ++(\paperwidth,\the\focus@pbar@height);
                    
                    \node[anchor=east, footline.fg] at ({\paperwidth-\the\focus@pbar@rightoffset},{0.5*\focus@pbar@height}) {\strut\insertframenumber};
                    \node[footline.fg] at ({\paperwidth-\the\focus@pbar@rightoffset},{0.5*\focus@pbar@height}) {\strut/};
                    \node[anchor=west, footline.fg] at ({\paperwidth-\the\focus@pbar@rightoffset},{0.5*\focus@pbar@height}) {\strut\inserttotalframenumber};
                \end{tikzpicture}%
            \fi%
        \fi%
    \fi%
}

% Full bar footline.
\defbeamertemplate{footline}{fullbar}{%
    % If not appendix.
    \ifnum\mainend<0% From package appendixnumberbeamer.
        %
        \settowidth{\focus@pbar@leftoffset}{1}%
        \addtolength{\focus@pbar@leftoffset}{1.5em}%
        %
        \settowidth{\focus@pbar@rightoffset}{\inserttotalframenumber}%
        \addtolength{\focus@pbar@rightoffset}{1.5em}%
        %
        % If not title page.
        \ifnum\value{realframenumber}>0%
            \begin{tikzpicture}[inner xsep=0.5em, inner ysep=0.5ex]
                \clip (0,0) rectangle ++(\paperwidth,\the\focus@pbar@height);
                \fill[footline.bg] (0,0) rectangle ++(\paperwidth,\the\focus@pbar@height);
                
                \node[anchor=east, footline.fg] at ({\paperwidth-\the\focus@pbar@rightoffset},{0.5*\focus@pbar@height}) {\strut\insertframenumber};
                \node[footline.fg] at ({\paperwidth-\the\focus@pbar@rightoffset},{0.5*\focus@pbar@height}) {\strut/};
                \node[anchor=west, footline.fg] at ({\paperwidth-\the\focus@pbar@rightoffset},{0.5*\focus@pbar@height}) {\strut\inserttotalframenumber};
            \end{tikzpicture}%
        \fi%
    \fi%
}

% Empty footline.
\defbeamertemplate{footline}{none}{}

\DeclareOptionBeamer{numbering}{\def\beamer@focus@numbering{#1}}
\ExecuteOptionsBeamer{numbering=progressbar}
\ProcessOptionsBeamer

\def\beamer@focus@numberingprogressbar{progressbar}
\def\beamer@focus@numberingfullbar{fullbar}
\def\beamer@focus@numberingnone{none}


% BACKGROUND CANVAS TEMPLATES. -------------------------------------------------
\defbeamertemplate*{background canvas}{focus}{%
    \begin{tikzpicture}
        \clip (0,0) rectangle ++(\paperwidth,\paperheight);
        \fill[normal text.bg] (0,0) rectangle ++(\paperwidth,\paperheight);
    \end{tikzpicture}%
}

\defbeamertemplate{background canvas}{focusframe}{%
    \begin{tikzpicture}
        \clip (0,0) rectangle ++(\paperwidth,\paperheight);
        \fill[frametitle.bg] (0,0) rectangle ++(\paperwidth,\paperheight);        
    \end{tikzpicture}%
}


% HOOKS FOR CREATING FRAMES. ---------------------------------------------------
\BeforeBeginEnvironment{frame}{%
    \stepcounter{realframenumber}
    \setbeamertemplate{background canvas}[focus]%
    \setbeamertemplate{frametitle}[focus]%
    %
    % Reset footline height and determine it for the current slide.
    \setlength{\focus@pbar@height}{0cm}%
    \focus@calculatefootheight%
    %
    % If not appendix.
    \ifnum\mainend<0 % From package appendixnumberbeamer.
        \settoheight{\focus@pbar@height}{\usebeamerfont{footline}1234567890/}%
        \addtolength{\focus@pbar@height}{6pt}%
        %
        \ifx\beamer@focus@numbering\beamer@focus@numberingprogressbar%
            \setbeamertemplate{footline}[progressbar]%
        \else%
            \ifx\beamer@focus@numbering\beamer@focus@numberingfullbar%
                \setbeamertemplate{footline}[fullbar]%
            \fi%
        \fi%
        %
        \focus@calculatefootheight%
    \fi%
}

% Enable noframenumbering option.
\define@key{beamerframe}{noframenumbering}[true]{%
    \setbeamertemplate{footline}[none]%
    \setlength{\focus@pbar@height}{0cm}%
    \focus@calculatefootheight%
    %
    \addtocounter{framenumber}{-1}%
}


% Enable plain option.
\define@key{beamerframe}{plain}[true]{%
    \setbeamertemplate{background canvas}[focus]%
    \setbeamertemplate{frametitle}[plain]%
    %
    \setbeamertemplate{footline}[none]%
}


% Full vertical centering
% (from https://tex.stackexchange.com/questions/247826/beamer-full-vertical-centering).
\define@key{beamerframe}{c}[true]{%
    \beamer@frametopskip=0pt plus 1fill\relax%
    \beamer@framebottomskip=0pt plus 1fill\relax%
    \beamer@frametopskipautobreak=0pt plus 0.4\paperheight\relax%
    \beamer@framebottomskipautobreak=0pt plus 0.6\paperheight\relax%
    \def\beamer@initfirstlineunskip{}%
}


% Enable focus option.
\providebool{focus@standout}
\define@key{beamerframe}{focus}[true]{%
    \booltrue{focus@standout}%
    \begingroup%
        \setkeys{beamerframe}{noframenumbering}%
        \setbeamertemplate{background canvas}[focusframe]%
        \setbeamertemplate{frametitle}[plain]%
        %
        \setkeys{beamerframe}{c}%
        \centering%
        \usebeamerfont{focusframe}%
        \usebeamercolor[fg]{frametitle}%
}

\apptocmd{\beamer@reseteecodes}
{%
    \ifbool{focus@standout}%
    {%
        \endgroup%
        \boolfalse{focus@standout}%
    }{}%
}{}{}


% Recalculate the footline's size and refresh other parameters.
% Partially copied from the definition of \beamer@calculateheadfoot.
\def\focus@calculatefootheight{%
    \footheight=\focus@pbar@height%
    \advance\footheight by 4pt%
    \sidebarheight=\paperheight%
    \advance\sidebarheight by-\headheight%
    \advance\sidebarheight by\headdp%
    \advance\sidebarheight by-\footheight%
    \advance\sidebarheight by 4pt%
    \footskip=\footheight%
    \textheight=\paperheight%
    \advance\textheight by-\footheight%
    \advance\textheight by-\headheight%
    \@colht\textheight%
    \@colroom\textheight%
    \vsize\textheight%
}

\mode<all>