src/Pages.cpp

   1 /*
   2 Copyright_License {
   3
   4   XCSoar Glide Computer - http://www.xcsoar.org/
   5   Copyright (C) 2000-2013 The XCSoar Project
   6   A detailed list of copyright holders can be found in the file "AUTHORS".
   7
   8   This program is free software; you can redistribute it and/or
   9   modify it under the terms of the GNU General Public License
  10   as published by the Free Software Foundation; either version 2
  11   of the License, or (at your option) any later version.
  12
  13   This program is distributed in the hope that it will be useful,
  14   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16   GNU General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with this program; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 }
  22 */
  23
  24 #include "Pages.hpp"
  25 #include "UIState.hpp"
  26 #include "Interface.hpp"
  27 #include "ActionInterface.hpp"
  28 #include "MainWindow.hpp"
  29 #include "CrossSection/CrossSectionWidget.hpp"
  30 #include "InfoBoxes/InfoBoxManager.hpp"
  31 #include "InfoBoxes/InfoBoxSettings.hpp"
  32 #include "Language/Language.hpp"
  33
  34 #include <stdio.h>
  35
  36 namespace Pages
  37 {
  38   static unsigned current_page = 0;
  39 }
  40
  41 void
  42 Pages::Update()
  43 {
  44   const PageSettings &settings = CommonInterface::GetUISettings().pages;
  45
  46   if (!settings.pages[current_page].IsDefined())
  47     current_page = NextIndex();
  48
  49   OpenLayout(settings.pages[current_page]);
  50 }
  51
  52
  53 unsigned
  54 Pages::NextIndex()
  55 {
  56   const PageSettings &settings = CommonInterface::GetUISettings().pages;
  57
  58   unsigned i = current_page;
  59   do {
  60     i = (i + 1) % PageSettings::MAX_PAGES;
  61   } while (!settings.pages[i].IsDefined());
  62   return i;
  63 }
  64
  65
  66 void
  67 Pages::Next()
  68 {
  69   current_page = NextIndex();
  70   Update();
  71 }
  72
  73
  74 unsigned
  75 Pages::PrevIndex()
  76 {
  77   const PageSettings &settings = CommonInterface::GetUISettings().pages;
  78
  79   unsigned i = current_page;
  80   do {
  81     i = (i == 0) ? PageSettings::MAX_PAGES - 1 : i - 1;
  82   } while (!settings.pages[i].IsDefined());
  83   return i;
  84 }
  85
  86
  87 void
  88 Pages::Prev()
  89 {
  90   current_page = PrevIndex();
  91   Update();
  92 }
  93
  94 void
  95 Pages::Open(unsigned page)
  96 {
  97   const PageSettings &settings = CommonInterface::GetUISettings().pages;
  98
  99   if (page >= PageSettings::MAX_PAGES)
 100     return;
 101
 102   if (!settings.pages[page].IsDefined())
 103     return;
 104
 105   current_page = page;
 106   Update();
 107 }
 108
 109
 110 void
 111 Pages::OpenLayout(const PageSettings::PageLayout &layout)
 112 {
 113   UIState &ui_state = CommonInterface::SetUIState();
 114
 115   if (!layout.valid)
 116     return;
 117
 118   if (!layout.infobox_config.enabled) {
 119     CommonInterface::main_window->SetFullScreen(true);
 120     ui_state.auxiliary_enabled = false;
 121   } else {
 122     if (!layout.infobox_config.auto_switch &&
 123         layout.infobox_config.panel < InfoBoxSettings::MAX_PANELS) {
 124       CommonInterface::main_window->SetFullScreen(false);
 125       ui_state.auxiliary_enabled = true;
 126       ui_state.auxiliary_index = layout.infobox_config.panel;
 127     }
 128     else {
 129       CommonInterface::main_window->SetFullScreen(false);
 130       ui_state.auxiliary_enabled = false;
 131     }
 132   }
 133
 134   switch (layout.bottom) {
 135   case PageSettings::PageLayout::Bottom::NOTHING:
 136     CommonInterface::main_window->SetBottomWidget(nullptr);
 137     break;
 138
 139   case PageSettings::PageLayout::Bottom::CROSS_SECTION:
 140     CommonInterface::main_window->SetBottomWidget(new CrossSectionWidget());
 141     break;
 142   }
 143
 144   ActionInterface::UpdateDisplayMode();
 145   ActionInterface::SendUIState();
 146 }