src/preferences/time/TimeZoneListItem.cpp

   1 /*
   2  * Copyright 2010-2013 Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Stephan Aßmus, superstippi@gmx.de
   7  *              Adrien Destugues, pulkomandy@pulkomandy.ath.cx
   8  *              Axel Dörfler, axeld@pinc-software.de
   9  *              John Scipione, jscipione@gmail.com
  10  *              Oliver Tappe, zooey@hirschkaefer.de
  11  */
  12
  13
  14 #include "TimeZoneListItem.h"
  15
  16 #include <new>
  17
  18 #include <Bitmap.h>
  19 #include <Country.h>
  20 #include <ControlLook.h>
  21 #include <String.h>
  22 #include <TimeZone.h>
  23 #include <Window.h>
  24
  25
  26 static const BString skDefaultString;
  27
  28
  29 TimeZoneListItem::TimeZoneListItem(const char* text, BCountry* country,
  30         BTimeZone* timeZone)
  31         :
  32         BStringItem(text, 0, false),
  33         fCountry(country),
  34         fTimeZone(timeZone),
  35         fIcon(NULL)
  36 {
  37 }
  38
  39
  40 TimeZoneListItem::~TimeZoneListItem()
  41 {
  42         delete fCountry;
  43         delete fTimeZone;
  44         delete fIcon;
  45 }
  46
  47
  48 void
  49 TimeZoneListItem::DrawItem(BView* owner, BRect frame, bool complete)
  50 {
  51         if (fIcon != NULL && fIcon->IsValid()) {
  52                 float iconSize = fIcon->Bounds().Width();
  53                 _DrawItemWithTextOffset(owner, frame, complete,
  54                         iconSize + be_control_look->DefaultLabelSpacing());
  55
  56                 BRect iconFrame(frame.left + be_control_look->DefaultLabelSpacing(),
  57                         frame.top,
  58                         frame.left + iconSize - 1 + be_control_look->DefaultLabelSpacing(),
  59                         frame.top + iconSize - 1);
  60                 owner->SetDrawingMode(B_OP_OVER);
  61                 owner->DrawBitmap(fIcon, iconFrame);
  62                 owner->SetDrawingMode(B_OP_COPY);
  63         } else
  64                 _DrawItemWithTextOffset(owner, frame, complete, 0);
  65 }
  66
  67
  68 void
  69 TimeZoneListItem::Update(BView* owner, const BFont* font)
  70 {
  71         float oldIconSize = Height();
  72         BStringItem::Update(owner, font);
  73         if (!HasCountry())
  74                 return;
  75
  76         float iconSize = Height();
  77         if (iconSize == oldIconSize && fIcon != NULL)
  78                 return;
  79
  80         SetWidth(Width() + iconSize + be_control_look->DefaultLabelSpacing());
  81
  82         delete fIcon;
  83         fIcon = new(std::nothrow) BBitmap(BRect(0, 0, iconSize - 1, iconSize - 1),
  84                 B_RGBA32);
  85         if (fIcon != NULL && fCountry->GetIcon(fIcon) != B_OK) {
  86                 delete fIcon;
  87                 fIcon = NULL;
  88         }
  89 }
  90
  91
  92 void
  93 TimeZoneListItem::SetCountry(BCountry* country)
  94 {
  95         delete fCountry;
  96         fCountry = country;
  97 }
  98
  99
 100 void
 101 TimeZoneListItem::SetTimeZone(BTimeZone* timeZone)
 102 {
 103         delete fTimeZone;
 104         fTimeZone = timeZone;
 105 }
 106
 107
 108 const BString&
 109 TimeZoneListItem::ID() const
 110 {
 111         if (!HasTimeZone())
 112                 return skDefaultString;
 113
 114         return fTimeZone->ID();
 115 }
 116
 117
 118 const BString&
 119 TimeZoneListItem::Name() const
 120 {
 121         if (!HasTimeZone())
 122                 return skDefaultString;
 123
 124         return fTimeZone->Name();
 125 }
 126
 127
 128 int
 129 TimeZoneListItem::OffsetFromGMT() const
 130 {
 131         if (!HasTimeZone())
 132                 return 0;
 133
 134         return fTimeZone->OffsetFromGMT();
 135 }
 136
 137
 138 void
 139 TimeZoneListItem::_DrawItemWithTextOffset(BView* owner, BRect frame,
 140         bool complete, float textOffset)
 141 {
 142         rgb_color highColor = owner->HighColor();
 143         rgb_color lowColor = owner->LowColor();
 144
 145         if (IsSelected() || complete) {
 146                 rgb_color color;
 147                 if (IsSelected())
 148                         color = ui_color(B_LIST_SELECTED_BACKGROUND_COLOR);
 149                 else
 150                         color = owner->ViewColor();
 151
 152                 owner->SetHighColor(color);
 153                 owner->SetLowColor(color);
 154                 owner->FillRect(frame);
 155         } else
 156                 owner->SetLowColor(owner->ViewColor());
 157
 158         if (!IsEnabled()) {
 159                 rgb_color textColor = ui_color(B_LIST_ITEM_TEXT_COLOR);
 160                 if (textColor.red + textColor.green + textColor.blue > 128 * 3)
 161                         owner->SetHighColor(tint_color(textColor, B_DARKEN_2_TINT));
 162                 else
 163                         owner->SetHighColor(tint_color(textColor, B_LIGHTEN_2_TINT));
 164         } else {
 165                 if (IsSelected())
 166                         owner->SetHighColor(ui_color(B_LIST_SELECTED_ITEM_TEXT_COLOR));
 167                 else
 168                         owner->SetHighColor(ui_color(B_LIST_ITEM_TEXT_COLOR));
 169         }
 170
 171         owner->MovePenTo(
 172                 frame.left + be_control_look->DefaultLabelSpacing() + textOffset,
 173                 frame.top + BaselineOffset());
 174         owner->DrawString(Text());
 175
 176         owner->SetHighColor(highColor);
 177         owner->SetLowColor(lowColor);
 178 }