Add Text class with multiline support

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

diff --git a/source/label.cpp b/source/label.cpp
index 0e0134d73766a4cb5f05830386d772790d6dca7d..ae821a81f0f6330dc42ac6c3f15ce18ac85d21d9 100644 (file)
--- a/source/label.cpp
+++ b/source/label.cpp
@@ -7,18 +7,40 @@ Distributed under the LGPL
 
 #include "label.h"
 #include "part.h"
+#include "style.h"
+
+using namespace std;
 
 namespace Msp {
 namespace GLtk {
 
-Label::Label(const Resources &r, const std::string &t):
-       Widget(r)
+Label::Label(const Resources &r, const string &t):
+       Widget(r),
+       text(style)
 {
-       set_text(t);
        update_style();
+       set_text(t);
+}
+
+void Label::autosize()
+{
+       const list<Part> &parts=style->get_parts();
+       const Part *text_part=0;
+       for(list<Part>::const_iterator i=parts.begin(); (!text_part && i!=parts.end()); ++i)
+               if(i->get_name()=="text")
+                       text_part=&*i;
+
+       geom.h=text.get_height();
+       geom.w=text.get_width();
+       if(text_part)
+       {
+               const Sides &margin=text_part->get_margin();
+               geom.w+=margin.left+margin.right;
+               geom.h+=margin.top+margin.bottom;
+       }
 }
 
-void Label::set_text(const std::string &t)
+void Label::set_text(const string &t)
 {
        text=t;
 }
@@ -26,19 +48,19 @@ void Label::set_text(const std::string &t)
 void Label::render_special(const Part &part) const
 {
        if(part.get_name()=="text")
-               render_text(part, text);
+               text.render(part, geom);
 }
 
 
 Label::Loader::Loader(Label &l):
        Widget::Loader(l)
 {
-       add("text", &Label::text);
+       add("text", &Loader::text);
 }
 
-Label &Label::Loader::get_object()
+void Label::Loader::text(const string &t)
 {
-       return static_cast<Label &>(wdg);
+       static_cast<Label &>(wdg).text=t;
 }
 
 } // namespace GLtk