source/entry.cpp

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