Add an input method subsystem

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

diff --git a/source/entry.cpp b/source/entry.cpp
index a635101404423e9b64524ad7dfee6b9471b53c24..16954a70f5774858b34b86622de200abe2a4376b 100644 (file)
--- a/source/entry.cpp
+++ b/source/entry.cpp
@@ -25,58 +25,30 @@ Entry::Entry(const string &t):
        slider(0),
        got_key_press(false)
 {
+       input_type = INPUT_TEXT;
        set_text(t);
 }
 
-void Entry::autosize()
+void Entry::autosize_special(const Part &part, Geometry &ageom) const
 {
-       if(!style)
-               return;
-
-       Widget::autosize();
-
-       if(text_part)
+       if(part.get_name()=="text")
        {
-               const Sides &margin = text_part->get_margin();
+               const Sides &margin = part.get_margin();
                const GL::Font &font = style->get_font();
                unsigned en_width = static_cast<unsigned>(font.get_string_width("n")*style->get_font_size());
-               geom.w = max(geom.w, edit_width*en_width+margin.left+margin.right);
+               ageom.w = max(ageom.w, edit_width*en_width+margin.left+margin.right);
 
                unsigned line_height = static_cast<unsigned>((font.get_ascent()-font.get_descent())*style->get_font_size());
                if(multiline)
                {
                        unsigned line_spacing = style->get_font_size()*6/5;
-                       geom.h = max(geom.h, line_height+line_spacing*(edit_height-1)+margin.top+margin.bottom);
+                       ageom.h = max(ageom.h, line_height+line_spacing*(edit_height-1)+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();
+                       ageom.h = max(ageom.h, line_height+margin.top+margin.bottom);
        }
-
-       rebuild();
+       else if(part.get_name()=="slider" && multiline)
+               autosize_child(*slider, part, ageom);
 }
 
 void Entry::set_text(const string &t)
@@ -108,7 +80,7 @@ void Entry::set_multiline(bool m)
                        add(*slider);
                        slider->set_step(1);
                        slider->signal_value_changed.connect(sigc::mem_fun(this, &Entry::slider_value_changed));
-                       reposition_slider();
+                       rebuild();
                }
                check_view_range();
        }
@@ -117,7 +89,7 @@ void Entry::set_multiline(bool m)
 void Entry::rebuild_special(const Part &part)
 {
        if(part.get_name()=="text")
-               text.build(part, geom, first_row, part_cache);
+               text.build(part, state, geom, first_row, part_cache);
        else if(part.get_name()=="cursor")
        {
                const Graphic *graphic = part.get_graphic(state);
@@ -136,6 +108,14 @@ void Entry::rebuild_special(const Part &part)
                bld.matrix() *= GL::Matrix::translation(rgeom.x, rgeom.y, 0);
                graphic->build(part.get_geometry().w, part.get_geometry().h, bld);
        }
+       else if(part.get_name()=="slider")
+       {
+               if(multiline)
+               {
+                       reposition_child(*slider, part);
+                       Widget::rebuild_special(part);
+               }
+       }
        else
                Widget::rebuild_special(part);
 }
@@ -146,7 +126,7 @@ void Entry::render_special(const Part &part, GL::Renderer &renderer) const
                slider->render(renderer);
 }
 
-void Entry::key_press(unsigned key, unsigned)
+bool Entry::key_press(unsigned key, unsigned)
 {
        got_key_press = true;
        if(key==Input::KEY_LEFT)
@@ -191,16 +171,23 @@ void Entry::key_press(unsigned key, unsigned)
                else
                        signal_enter.emit();
        }
+       else
+               return false;
+
+       return true;
 }
 
-void Entry::character(wchar_t ch)
+bool Entry::character(wchar_t ch)
 {
        if(got_key_press && ch>=' ')
        {
                text.insert(edit_pos, StringCodec::encode<StringCodec::Utf8>(StringCodec::ustring(1, ch)));
                ++edit_pos;
                rebuild();
+               return true;
        }
+
+       return false;
 }
 
 void Entry::focus_out()
@@ -211,8 +198,6 @@ void Entry::focus_out()
 
 void Entry::on_geometry_change()
 {
-       reposition_slider();
-
        if(multiline)
                check_view_range();
 }
@@ -229,8 +214,6 @@ void Entry::on_style_change()
 
        text_part = style->get_part("text");
 
-       reposition_slider();
-
        if(multiline)
                check_view_range();
 }
@@ -242,28 +225,6 @@ void Entry::set_edit_position(unsigned ep)
        rebuild();
 }
 
-void Entry::reposition_slider()
-{
-       if(!style || !slider)
-               return;
-
-       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::check_view_range()
 {
        if(!multiline || !text_part)
@@ -294,5 +255,18 @@ void Entry::slider_value_changed(double value)
                first_row = text.get_n_lines()-visible_rows-static_cast<unsigned>(value);
 }
 
+
+Entry::Loader::Loader(Entry &e):
+       DataFile::DerivedObjectLoader<Entry, Widget::Loader>(e)
+{
+       add("edit_size", &Entry::edit_width, &Entry::edit_height);
+       add("multiline", &Loader::multiline);
+}
+
+void Entry::Loader::multiline(bool m)
+{
+       obj.set_multiline(m);
+}
+
 } // namespace GLtk
 } // namespace Msp