Adjust event handling to match changes in mspgui

[libs/gltk.git] / source / entry.cpp

diff --git a/source/entry.cpp b/source/entry.cpp
index 2c9cb357fa55d38215c64358b4f1ae22fe972932..0e1414ce74339b7fd98e67a9f0354f18df1375a3 100644 (file)
--- a/source/entry.cpp
+++ b/source/entry.cpp
@@ -1,10 +1,3 @@
-/* $Id$
-
-This file is part of libmspgltk
-Copyright © 2007-2010  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #include <msp/gl/matrix.h>
 #include <msp/gl/texture.h>
 #include <msp/gl/transform.h>
@@ -32,6 +25,55 @@ Entry::Entry(const string &t):
        set_text(t);
 }
 
+void Entry::autosize()
+{
+       if(!style)
+               return;
+
+       Widget::autosize();
+
+       if(text_part)
+       {
+               const Sides &margin = text_part->get_margin();
+               const GL::Font &font = *style->get_font();
+               unsigned en_width = static_cast<unsigned>(font.get_string_width("n")*font.get_native_size());
+               geom.w = max(geom.w, 10*en_width+margin.left+margin.right);
+
+               unsigned line_height = static_cast<unsigned>((font.get_ascent()-font.get_descent())*font.get_native_size());
+               if(multiline)
+               {
+                       unsigned line_spacing = font.get_native_size()*6/5;
+                       geom.h = max(geom.h, line_height+line_spacing*2+margin.top+margin.bottom);
+               }
+               else
+                       geom.h = max(geom.h, line_height+margin.top+margin.bottom);
+       }
+
+       if(multiline)
+       {
+               if(const Part *slider_part = style->get_part("slider"))
+               {
+                       Geometry sgeom = slider_part->get_geometry();
+                       if(!sgeom.w || !sgeom.h)
+                       {
+                               slider->autosize();
+                               if(!sgeom.w)
+                                       sgeom.w = slider->get_geometry().w;
+                               if(!sgeom.h)
+                                       sgeom.h = slider->get_geometry().h;
+                       }
+
+                       const Sides &margin = slider_part->get_margin();
+                       geom.w = max(geom.w, sgeom.w+margin.left+margin.right);
+                       geom.h = max(geom.h, sgeom.h+margin.top+margin.bottom);
+
+                       reposition_slider();
+               }
+
+               check_view_range();
+       }
+}
+
 void Entry::set_text(const string &t)
 {
        text = t;
@@ -58,7 +100,33 @@ void Entry::set_multiline(bool m)
        }
 }
 
-void Entry::key_press(unsigned key, unsigned, wchar_t ch)
+void Entry::render_special(const Part &part) const
+{
+       if(part.get_name()=="text")
+               text.render(part, geom, first_row);
+       else if(part.get_name()=="cursor")
+       {
+               if(!text_part || !part.get_graphic(state))
+                       return;
+
+               unsigned row, col;
+               text.offset_to_coords(edit_pos, row, col);
+
+               if(row<first_row || row>=first_row+visible_rows)
+                       return;
+
+               Geometry rgeom = text.coords_to_geometry(*text_part, geom, first_row, row, col);
+
+               GL::push_matrix();
+               GL::translate(rgeom.x, rgeom.y, 0);
+               part.get_graphic(state)->render(part.get_geometry().w, part.get_geometry().h);
+               GL::pop_matrix();
+       }
+       else if(part.get_name()=="slider" && multiline)
+               slider->render();
+}
+
+void Entry::key_press(unsigned key, unsigned)
 {
        if(key==Input::KEY_LEFT)
        {
@@ -113,37 +181,15 @@ void Entry::key_press(unsigned key, unsigned, wchar_t ch)
                else
                        signal_enter.emit();
        }
-       else if(ch>=' ')
-       {
-               text.insert(edit_pos, Codecs::encode<Codecs::Utf8>(Codecs::ustring(1, ch)));
-               ++edit_pos;
-       }
 }
 
-void Entry::render_special(const Part &part) const
+void Entry::character(wchar_t ch)
 {
-       if(part.get_name()=="text")
-               text.render(part, geom, first_row);
-       else if(part.get_name()=="cursor")
+       if(ch>=' ')
        {
-               if(!text_part || !part.get_graphic(state))
-                       return;
-
-               unsigned row, col;
-               text.offset_to_coords(edit_pos, row, col);
-
-               if(row<first_row || row>=first_row+visible_rows)
-                       return;
-
-               Geometry rgeom = text.coords_to_geometry(*text_part, geom, first_row, row, col);
-
-               GL::push_matrix();
-               GL::translate(rgeom.x, rgeom.y, 0);
-               part.get_graphic(state)->render(part.get_geometry().w, part.get_geometry().h);
-               GL::pop_matrix();
+               text.insert(edit_pos, StringCodec::encode<StringCodec::Utf8>(StringCodec::ustring(1, ch)));
+               ++edit_pos;
        }
-       else if(part.get_name()=="slider")
-               slider->render();
 }
 
 void Entry::on_geometry_change()
@@ -180,17 +226,20 @@ void Entry::reposition_slider()
        if(const Part *slider_part = style->get_part("slider"))
        {
                Geometry sgeom = slider_part->get_geometry();
+               if(!sgeom.w || !sgeom.h)
+               {
+                       slider->autosize();
+                       if(!sgeom.w)
+                               sgeom.w = slider->get_geometry().w;
+                       if(!sgeom.h)
+                               sgeom.h = slider->get_geometry().h;
+               }
+
                slider_part->get_alignment().apply(sgeom, geom, slider_part->get_margin());
                slider->set_geometry(sgeom);
        }
 }
 
-void Entry::slider_value_changed(double value)
-{
-       if(text.get_n_lines()>visible_rows)
-               first_row = text.get_n_lines()-visible_rows-static_cast<unsigned>(value);
-}
-
 void Entry::check_view_range()
 {
        if(!multiline || !text_part)
@@ -211,12 +260,15 @@ void Entry::check_view_range()
        else if(row>=first_row+visible_rows)
                first_row = row+1-visible_rows;
 
-       if(slider)
-       {
-               unsigned scroll = max(text.get_n_lines(), visible_rows)-visible_rows;
-               slider->set_range(0, scroll);
-               slider->set_value(scroll-first_row);
-       }
+       unsigned scroll = max(text.get_n_lines(), visible_rows)-visible_rows;
+       slider->set_range(0, scroll);
+       slider->set_value(scroll-first_row);
+}
+
+void Entry::slider_value_changed(double value)
+{
+       if(text.get_n_lines()>visible_rows)
+               first_row = text.get_n_lines()-visible_rows-static_cast<unsigned>(value);
 }