source/entry.cpp

   1 /* $Id$
   2
   3 This file is part of libmspgltk
   4 Copyright © 2007  Mikko Rasa, Mikkosoft Productions
   5 Distributed under the LGPL
   6 */
   7
   8 #include <SDL/SDL_keysym.h>
   9 #include <msp/gl/matrix.h>
  10 #include <msp/gl/texture.h>
  11 #include <msp/gl/transform.h>
  12 #include "entry.h"
  13 #include "part.h"
  14 #include "style.h"
  15
  16 using namespace std;
  17
  18 namespace Msp {
  19 namespace GLtk {
  20
  21 Entry::Entry(const Resources &r, const string &t):
  22         Widget(r),
  23         text(t),
  24         edit_pos(0)
  25 {
  26         update_style();
  27 }
  28
  29 void Entry::set_text(const string &t)
  30 {
  31         text=t;
  32         if(edit_pos>text.size())
  33                 edit_pos=text.size();
  34 }
  35
  36 void Entry::key_press(unsigned key, unsigned, wchar_t ch)
  37 {
  38         if(key==SDLK_LEFT)
  39         {
  40                 if(edit_pos>0)
  41                         --edit_pos;
  42         }
  43         else if(key==SDLK_RIGHT)
  44         {
  45                 if(edit_pos<text.size())
  46                         ++edit_pos;
  47         }
  48         else if(key==SDLK_BACKSPACE)
  49         {
  50                 if(edit_pos>0)
  51                         text.erase(--edit_pos, 1);
  52         }
  53         else
  54         {
  55                 text+=ch;
  56         }
  57 }
  58
  59 void Entry::focus_in()
  60 {
  61         if(state!=DISABLED)
  62                 state=ACTIVE;
  63 }
  64
  65 void Entry::focus_out()
  66 {
  67         if(state==ACTIVE)
  68                 state=NORMAL;
  69 }
  70
  71 void Entry::render_part(const Part &part) const
  72 {
  73         if(part.get_name()=="text")
  74                 render_text(part, text);
  75         /*{
  76                 const GL::Font *const font=style->get_font();
  77
  78                 const float font_size=font->get_default_size();
  79                 unsigned text_w=static_cast<unsigned>(font->get_string_width(text)*font_size);
  80
  81                 GL::push_matrix();
  82
  83                 part.get_alignment().apply(geom, text_w, static_cast<unsigned>(font->get_ascent()*font_size));
  84                 GL::scale_uniform(font_size);
  85
  86                 const Color &color=style->get_font_color();
  87                 glColor3f(color.r, color.g, color.b);
  88                 if(state==ACTIVE)
  89                 {
  90                         cout<<"foo\n";
  91                         font->draw_string(text.substr(0, edit_pos));
  92                         GL::Texture::unbind();
  93                         glBegin(GL_LINES);
  94                         glVertex2f(0, 0);
  95                         glVertex2f(0, 1);
  96                         glEnd();
  97                         font->draw_string(text.substr(edit_pos));
  98                 }
  99                 else
 100                         font->draw_string(text);
 101                 glColor3f(1, 1, 1);
 102
 103                 GL::pop_matrix();
 104                 render_text(part, text);
 105         }*/
 106         /*else if(part.get_name()=="cursor")
 107         {
 108                 unsigned gw=part.get_width();
 109                 unsigned gh=(part.get_fill_y() ? geom.h : part.get_height());
 110
 111                 const float font_size=font->get_default_size();
 112                 unsigned text_w=static_cast<unsigned>(font->get_string_width(text)*font_size);
 113
 114                 GL::push_matrix();
 115                 GL::translate((geom.w-gw)*(value-min)/(max-min), (geom.h-gh)*(part.get_alignment().y+1)/2, 0);
 116                 const Graphic *graphic=part.get_graphic(state);
 117                 graphic->render(gw, gh);
 118                 GL::pop_matrix();
 119         }*/
 120         else
 121                 Widget::render_part(part);
 122 }
 123
 124 } // namespace GLtk
 125 } // namespace Msp