source/designer/input.cpp

   1 /* $Id$
   2
   3 This file is part of the MSP Märklin suite
   4 Copyright © 2006-2008 Mikkosoft Productions, Mikko Rasa
   5 Distributed under the GPL
   6 */
   7
   8 #include <SDL_keysym.h>
   9 #include <GL/gl.h>
  10 #include <msp/gl/texture.h>
  11 #include "designer.h"
  12 #include "input.h"
  13
  14 using namespace std;
  15 using namespace Msp;
  16
  17 Input::Input(Designer &d, const string &t, const string &e):
  18         designer(d),
  19         title(t),
  20         text(e),
  21         pos(text.size())
  22 { }
  23
  24 void Input::key_press(unsigned key, unsigned, wchar_t ch)
  25 {
  26         if(key==SDLK_RETURN)
  27                 signal_accept.emit();
  28         else if(key==SDLK_ESCAPE)
  29                 signal_cancel.emit();
  30         else if(key==SDLK_BACKSPACE)
  31         {
  32                 if(pos>0)
  33                 {
  34                         text.erase(pos-1, 1);
  35                         --pos;
  36                 }
  37         }
  38         else if(key==SDLK_DELETE)
  39         {
  40                 if(pos<text.size())
  41                         text.erase(pos, 1);
  42         }
  43         else if(key==SDLK_LEFT)
  44         {
  45                 if(pos>0)
  46                         --pos;
  47         }
  48         else if(key==SDLK_RIGHT)
  49         {
  50                 if(pos<text.size())
  51                         ++pos;
  52         }
  53         else if(ch>=0x20)
  54         {
  55                 text.insert(pos, 1, ch);
  56                 ++pos;
  57         }
  58 }
  59
  60 void Input::render()
  61 {
  62         glLoadIdentity();
  63         glTranslatef(300, 450, 0);
  64
  65         GL::Texture::unbind();
  66         glColor4f(0.7, 0.7, 0.7, 0.9);
  67         glBegin(GL_QUADS);
  68         glVertex2f(0, 0);
  69         glVertex2f(680, 0);
  70         glVertex2f(680, 60);
  71         glVertex2f(0, 60);
  72         glEnd();
  73
  74         glColor4f(0, 0, 0, 1);
  75         glTranslatef(5, 35, 0);
  76
  77         glPushMatrix();
  78         glScalef(20, 20, 20);
  79         designer.get_font().draw_string(title);
  80         glPopMatrix();
  81
  82         glTranslatef(0, -30, 0);
  83         glPushMatrix();
  84         glScalef(20, 20, 20);
  85         designer.get_font().draw_string(text);
  86
  87         glTranslatef(designer.get_font().get_string_width(text.substr(0, pos)), 0, 0);
  88         glDisable(GL_TEXTURE_2D);
  89         glBegin(GL_LINES);
  90         glVertex2f(0, 0);
  91         glVertex2f(0, 1);
  92         glEnd();
  93         glPopMatrix();
  94 }