Fix helvet font selection.

More flexible dimensions in frame title, enable on-the-fly change.

texinputs/beamerthemetptnew.sty

@@ -56,8 +56,8 @@
   logoipp/.is if=tpt@logoipp,
   helvet/.is choice,
   helvet/.default=true,
-  helvet/false/.code={\let\sfdefault=\tpt@save@sffamily},
-  helvet/true/.code={\renewcommand\sfdefault{phv}},
+  helvet/false/.code={\let\sfdefault=\tpt@save@sffamily\normalfont},
+  helvet/true/.code={\renewcommand\sfdefault{phv}\normalfont},
   nohelvet/.style={helvet=false},
   framecount/.is choice,
   framecount/false/.code={\setbeamertemplate{page in head/foot}[plain]},
@@ -366,23 +366,28 @@
 
 % Frame title
 
+\tpt@deflength{\tptframetitlesep}{3ex}
+\tpt@deflength{\tptframetitlefriezewidth}{19.5mm}
+\tpt@deflength{\tptframetitlefriezeheight}{5mm}
+
 \defbeamertemplate*{frametitle}{tpt default}[1][left]
 {
   \ifbeamercolorempty[bg]{frametitle}{}{\nointerlineskip}%
-  \@tempdima=\paperwidth%
-  \advance\@tempdima by -1.95cm% les 3 blocs de couleur
-  \advance\@tempdima by -3ex%
+  \setlength{\@tempdima}{%
+    \dimexpr \paperwidth - \tptframetitlefriezewidth - \tptframetitlesep
+    \relax}%
   \begin{beamercolorbox}[sep=0cm,#1,wd=\paperwidth]{frametitle}
      \usebeamerfont{frametitle}%
      \if@tempswa\else\csname beamer@fte#1\endcsname\fi%
-     \begin{minipage}[b]{1.95cm}
+     \begin{minipage}[b]{\tptframetitlefriezewidth}
         \iftpt@infolines\vspace*{.15cm}\else\vspace*{.5cm}\fi
         \mbox{%
-          \tptfrieze{0.65cm}{.5cm}{%
+          \tptfrieze{%
+            0.333\tptframetitlefriezewidth}{\tptframetitlefriezeheight}{%
             page in head/foot.bg,dept in head/foot.bg,title in head/foot.bg}
         }\par%
-     \end{minipage}
-     \hspace*{1ex}
+     \end{minipage}%
+     \hspace*{\tptframetitlesep}%
      \begin{minipage}[c]{\@tempdima}
         \ifx\insertframesubtitle\@empty%
            \strut\insertframetitle\strut\par%
@@ -448,6 +453,10 @@
   \fi
 }
 
+%
+% Macro pour recalculer la hauteur des haut et bas de page.
+%
+\newcommand*\tptcalculateheadfoot{\beamer@calculateheadfoot}
 
 % .. from tptthemtheme?
 % Contents frame (FIXME part frame option).