src/Widget/ButtonPanelWidget.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 "ButtonPanelWidget.hpp"
  25 #include "Form/ButtonPanel.hpp"
  26 #include "Screen/Layout.hpp"
  27 #include "UIGlobals.hpp"
  28
  29 #include <assert.h>
  30
  31 ButtonPanelWidget::~ButtonPanelWidget()
  32 {
  33   delete buttons;
  34   delete widget;
  35 }
  36
  37 PixelRect
  38 ButtonPanelWidget::UpdateLayout(const PixelRect &rc)
  39 {
  40   assert(buttons != nullptr);
  41
  42   switch (alignment) {
  43   case Alignment::AUTO:
  44     return buttons->UpdateLayout(rc);
  45
  46   case Alignment::LEFT:
  47     return buttons->LeftLayout(rc);
  48
  49   case Alignment::BOTTOM:
  50     return buttons->BottomLayout(rc);
  51   }
  52
  53   gcc_unreachable();
  54 }
  55
  56 PixelSize
  57 ButtonPanelWidget::GetMinimumSize() const
  58 {
  59   PixelSize size = widget->GetMinimumSize();
  60   if (size.cy > 0)
  61     size.cy += Layout::GetMinimumControlHeight();
  62   return size;
  63 }
  64
  65 PixelSize
  66 ButtonPanelWidget::GetMaximumSize() const
  67 {
  68   PixelSize size = widget->GetMaximumSize();
  69   if (size.cy > 0)
  70     size.cy += Layout::GetMaximumControlHeight();
  71   return size;
  72 }
  73
  74 void
  75 ButtonPanelWidget::Initialise(ContainerWindow &parent, const PixelRect &rc)
  76 {
  77   assert(buttons == nullptr);
  78
  79   buttons = new ButtonPanel(parent, UIGlobals::GetDialogLook());
  80   buttons->SetDefaultHidden();
  81
  82   /* initialise with full dimensions for now, buttons will be added
  83      later */
  84   widget->Initialise(parent, rc);
  85 }
  86
  87 void
  88 ButtonPanelWidget::Prepare(ContainerWindow &parent, const PixelRect &rc)
  89 {
  90   assert(buttons != nullptr);
  91
  92   /* initialise with full dimensions for now, buttons may be added
  93      during this call, and the final layout will be set by Show() */
  94   widget->Prepare(parent, rc);
  95 }
  96
  97 void
  98 ButtonPanelWidget::Unprepare()
  99 {
 100   assert(buttons != nullptr);
 101 }
 102
 103 bool
 104 ButtonPanelWidget::Save(bool &changed)
 105 {
 106   return widget->Save(changed);
 107 }
 108
 109 bool
 110 ButtonPanelWidget::Click()
 111 {
 112   return widget->Click();
 113 }
 114
 115 void
 116 ButtonPanelWidget::ReClick()
 117 {
 118   assert(buttons != nullptr);
 119
 120   widget->ReClick();
 121 }
 122
 123 void
 124 ButtonPanelWidget::Show(const PixelRect &rc)
 125 {
 126   assert(buttons != nullptr);
 127
 128   widget->Show(UpdateLayout(rc));
 129   buttons->ShowAll();
 130 }
 131
 132 bool
 133 ButtonPanelWidget::Leave()
 134 {
 135   return widget->Leave();
 136 }
 137
 138 void
 139 ButtonPanelWidget::Hide()
 140 {
 141   buttons->HideAll();
 142   widget->Hide();
 143 }
 144
 145 void
 146 ButtonPanelWidget::Move(const PixelRect &rc)
 147 {
 148   widget->Move(UpdateLayout(rc));
 149 }
 150
 151 bool
 152 ButtonPanelWidget::SetFocus()
 153 {
 154   return widget->SetFocus();
 155 }