src/preferences/screen/AlertWindow.cpp

   1 /*
   2  * Copyright 2001-2015, Haiku.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Rafael Romo
   7  *              Stefano Ceccherini (burton666@libero.it)
   8  *              Axel Dörfler, axeld@pinc-software.de
   9  *              Augustin Cavalier <waddlesplash>
  10  */
  11
  12
  13 #include "AlertWindow.h"
  14 #include "Constants.h"
  15
  16 #include <Button.h>
  17 #include <Catalog.h>
  18 #include <String.h>
  19 #include <TextView.h>
  20 #include <Window.h>
  21 #include <TimeUnitFormat.h>
  22
  23
  24 #undef B_TRANSLATION_CONTEXT
  25 #define B_TRANSLATION_CONTEXT "Screen"
  26
  27
  28 AlertWindow::AlertWindow(BMessenger handler)
  29         : BAlert(B_TRANSLATE("Confirm changes"),
  30                          "", B_TRANSLATE("Undo"), B_TRANSLATE("Keep")),
  31         // we will wait 12 seconds until we send a message
  32         fSeconds(12),
  33         fHandler(handler)
  34 {
  35         SetType(B_WARNING_ALERT);
  36         SetPulseRate(1000000);
  37         TextView()->SetStylable(true);
  38         TextView()->GetFontAndColor(0, &fOriginalFont);
  39         fFont = fOriginalFont;
  40         fFont.SetFace(B_BOLD_FACE);
  41         UpdateCountdownView();
  42 }
  43
  44
  45 void
  46 AlertWindow::DispatchMessage(BMessage* message, BHandler* handler)
  47 {
  48         if (message->what == B_PULSE) {
  49                 if (--fSeconds == 0) {
  50                         fHandler.SendMessage(BUTTON_UNDO_MSG);
  51                         PostMessage(B_QUIT_REQUESTED);
  52                         Hide();
  53                 } else
  54                         UpdateCountdownView();
  55         }
  56
  57         BAlert::DispatchMessage(message, handler);
  58 }
  59
  60
  61 void
  62 AlertWindow::MessageReceived(BMessage* message)
  63 {
  64         switch (message->what) {
  65                 case 'ALTB': // alert button message
  66                 {
  67                         int32 which;
  68                         if (message->FindInt32("which", &which) == B_OK) {
  69                                 if (which == 1)
  70                                         fHandler.SendMessage(MAKE_INITIAL_MSG);
  71                                 else if (which == 0)
  72                                         fHandler.SendMessage(BUTTON_UNDO_MSG);
  73                                 PostMessage(B_QUIT_REQUESTED);
  74                                 Hide();
  75                         }
  76                         break;
  77                 }
  78
  79                 case B_KEY_DOWN:
  80                 {
  81                         int8 val;
  82                         if (message->FindInt8("byte", &val) == B_OK && val == B_ESCAPE) {
  83                                 fHandler.SendMessage(BUTTON_UNDO_MSG);
  84                                 PostMessage(B_QUIT_REQUESTED);
  85                                 Hide();
  86                                 break;
  87                         }
  88                         // fall through
  89                 }
  90
  91                 default:
  92                         BAlert::MessageReceived(message);
  93                         break;
  94         }
  95 }
  96
  97
  98 void
  99 AlertWindow::UpdateCountdownView()
 100 {
 101         BString str1 = B_TRANSLATE("Do you wish to keep these settings?");
 102         BString string = str1;
 103         string += "\n";
 104         string += B_TRANSLATE("Settings will revert in %seconds.");
 105
 106         BTimeUnitFormat format;
 107         BString tmp;
 108         format.Format(tmp, fSeconds, B_TIME_UNIT_SECOND);
 109
 110         string.ReplaceFirst("%seconds", tmp);
 111         // The below is black magic, do not touch. We really need to refactor
 112         // BTextView sometime...
 113         TextView()->SetFontAndColor(0, str1.Length() + 1, &fOriginalFont,
 114                 B_FONT_ALL);
 115         TextView()->SetText(string.String());
 116         TextView()->SetFontAndColor(0, str1.Length(), &fFont, B_FONT_ALL);
 117 }