Xtt virtual keyboard size adapted to screen size

xtt/lib/glow/src/glow_keyboardapi.cpp

@@ -92,6 +92,11 @@ void keyboard_GetSize( keyboard_tCtx ctx, int *width, int *height)
   ctx->get_size( width, height);
 }
 
+void keyboard_SetSize( keyboard_tCtx ctx, int width, int height)
+{
+  ctx->set_size( width, height);
+}
+
 void keyboard_SetShift( keyboard_tCtx ctx, int shift)
 {
   ctx->set_shift( shift);

xtt/lib/glow/src/glow_keyboardapi.h

@@ -101,6 +101,7 @@ typedef KeyboardCtx *keyboard_tCtx;
   void keyboard_SetType( keyboard_tCtx ctx, keyboard_eType type);
   void keyboard_SetDefaultConfig( keyboard_eKeymap keymap, keyboard_eType type);
   void keyboard_GetSize( keyboard_tCtx ctx, int *width, int *height);
+  void keyboard_SetSize( keyboard_tCtx ctx, int width, int height);
   void keyboard_SetShift( keyboard_tCtx ctx, int shift);
 
 /*@}*/

xtt/lib/glow/src/glow_keyboardctx.cpp

@@ -992,6 +992,14 @@ void KeyboardCtx::get_size( int *width, int *height)
   *height = int((y_high - y_low)*mw.zoom_factor_y);
 }
 
+void KeyboardCtx::set_size( int width, int height)
+{
+  mw.zoom_factor_x = ((float)width)/(x_right - x_left);
+  mw.zoom_factor_y = ((float)height)/(y_high - y_low);
+  a.zoom();
+  redraw();
+}
+
 void KeyboardCtx::set_shift( int shift)
 {
   if ( shift) {

xtt/lib/glow/src/glow_keyboardctx.h

@@ -117,6 +117,7 @@ class KeyboardCtx : public GrowCtx {
   */
   int event_handler( glow_eEvent event, int x, int y, int w, int h);
   void get_size( int *width, int *height);
+  void set_size( int width, int height);
   void set_shift( int shift);
 
   keyboard_eType type;

xtt/lib/xtt/gtk/xtt_keyboard_gtk.cpp

@@ -118,11 +118,18 @@ XttKeyboardGtk::XttKeyboardGtk( void *xn_parent_ctx,
   GtkWindow *window = GTK_WINDOW( toplevel);
   GdkScreen *screen = gtk_window_get_screen( window);
 
-  // gtk_widget_set_size_request( toplevel, width, height);
-  gtk_window_resize( GTK_WINDOW(toplevel), width, height);
 
   int screen_width = gdk_screen_get_width( screen);
   int screen_height = gdk_screen_get_height( screen);
+
+  if ( width > screen_width) {
+    height = ((float)screen_width) * 0.9 / width * height; 
+    width = screen_width * 0.9;
+    keyboard_SetSize( keyboardctx, width, height);
+  }
+
+  gtk_window_resize( GTK_WINDOW(toplevel), width, height);
+
   int x = screen_width/2 - width/2;
   int y = screen_height - height;