Viewers: added size specification

Signed-off-by: Nicola Vigano <nicola.vigano@esrf.fr>

zUtil_GUI/GtBaseGuiElem.m

@@ -26,6 +26,7 @@ classdef GtBaseGuiElem < handle
             obj.conf.parent = [];
             obj.conf.f_title = '';
             obj.conf.f_number = [];
+            obj.conf.f_size = 'small';
         end
 
         function delete(obj)
@@ -99,8 +100,21 @@ classdef GtBaseGuiElem < handle
                 obj.conf.currentParent = obj.conf.h_figure; % Where are incapsulating in
 
                 % Resize
-                screenPixels = GtBaseGuiElem.getPixels(0, 'ScreenSize');
-                fig_pix = [(screenPixels(1:2) + round(screenPixels(3:4) / 4)), round(screenPixels(3:4) / 2)];
+                screen_pixels = GtBaseGuiElem.getPixels(0, 'ScreenSize');
+                switch (lower(obj.conf.f_size))
+                    case 'wide'
+                        f_positioning = [4 4];
+                        f_scaling = [2 2];
+                    case 'big'
+                        f_positioning = [4 6];
+                        f_scaling = [2 1.5];
+                    case 'small'
+                        f_positioning = [3 4];
+                        f_scaling = [3 2];
+                end
+                fig_pix = [ ...
+                    (screen_pixels(1:2) + round(screen_pixels(3:4) ./ f_positioning)), ...
+                    round(screen_pixels(3:4) ./ f_scaling) ];
                 GtBaseGuiElem.setPixels(obj.conf.h_figure, 'Position', fig_pix);
             else
                 obj.conf.h_figure = gtGetParentFigure(obj.conf.parent);