src/gui/HelpMenu.cc

   1 /*
   2  * Copyright (C) 2003,2004 Daniel Heck, Ralf Westram
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  *
  18  */
  19
  20 #include "gui/HelpMenu.hh"
  21 #include "enigma.hh"
  22 #include "video.hh"
  23 #include "nls.hh"
  24
  25 #include <cassert>
  26
  27 using namespace ecl;
  28 using namespace std;
  29
  30 namespace enigma { namespace gui {
  31
  32     /* -------------------- HelpMenu -------------------- */
  33
  34     HelpMenu::HelpMenu (const char **helptext_, int xoffset_) :
  35         helptext    (helptext_),
  36         ok          (new gui::StaticTextButton(N_("Ok"), this)),
  37         cfg         (xoffset_)
  38     {
  39         const video::VMInfo &vminfo = *video::GetInfo();
  40         const int vshrink = vminfo.width < 640 ? 1 : 0;
  41
  42         add(ok, Rect(vminfo.width  - (vshrink ? 85 : 170),
  43                      vminfo.height - (vshrink ? 30 : 60),
  44                      vshrink ? 75 : 150,
  45                      vshrink ? 20 : 40));
  46     }
  47
  48     bool HelpMenu::on_event (const SDL_Event &e)
  49     {
  50         if (e.type == SDL_MOUSEBUTTONDOWN && e.button.button == SDL_BUTTON_RIGHT)
  51         {
  52             Menu::quit();
  53             return true;
  54         }
  55         return false;
  56     }
  57
  58     void HelpMenu::on_action (gui::Widget *w)
  59     {
  60         if (w == ok)
  61             Menu::quit();
  62     }
  63
  64     void HelpMenu::draw_background (ecl::GC &gc)
  65     {
  66         const video::VMInfo &vminfo = *video::GetInfo();
  67         const int vshrink = vminfo.width < 640 ? 1 : 0;
  68
  69         blit(gc, 0,0, enigma::GetImage("menu_bg", ".jpg"));
  70         Font *f = enigma::GetFont(cfg.fontname.c_str());
  71
  72         int x = (vminfo.width - (vshrink ? 320 : 640))/2;
  73         int y = (cfg.y0/(vshrink?2:1)) + (vminfo.height - (vshrink?240:480))/2;
  74         for (int i = 0; helptext[i]; i += 2)
  75         {
  76             assert(helptext[i+1]);
  77             // If assert stops here, and you've worked on the game
  78             // help menu, check Client::show_help(): Here one of
  79             // the text lines is redefined. Correct the line number.
  80             f->render (gc, cfg.x0/(vshrink?2:1) + x, y, _(helptext[i]));    // translate
  81             f->render (gc, cfg.x1/(vshrink?2:1) + x, y, _(helptext[i+1]));  // translate
  82             y += cfg.yskip/(vshrink?2:1);
  83         }
  84     }
  85
  86     /* -------------------- Functions -------------------- */
  87
  88     void displayHelp(const char **helptext, int xoffset)
  89     {
  90         FX_Fade (video::FADEOUT);
  91         HelpMenu menu(helptext, xoffset);
  92         menu.draw_all();
  93         FX_Fade (video::FADEIN);
  94         menu.manage();
  95     }
  96
  97 }} // namespace enigma::gui