src/bin/desklink/VolumeWindow.cpp

   1 /*
   2  * Copyright 2003-2009, Haiku, Inc.
   3  * Distributed under the terms of the MIT license.
   4  *
   5  * Authors:
   6  *              Jérôme Duval
   7  *              François Revol
   8  *              Axel Dörfler, axeld@pinc-software.de.
   9  */
  10
  11
  12 #include "VolumeWindow.h"
  13
  14 #include <Box.h>
  15 #include <GroupLayout.h>
  16 #include <MessageRunner.h>
  17 #include <Screen.h>
  18
  19 #include "VolumeControl.h"
  20
  21
  22 static const uint32 kMsgVolumeUpdate = 'vlup';
  23 static const uint32 kMsgVolumeChanged = 'vlcg';
  24
  25
  26 VolumeWindow::VolumeWindow(BRect frame, bool dontBeep, int32 volumeWhich)
  27         : BWindow(frame, "VolumeWindow", B_BORDERED_WINDOW_LOOK,
  28                 B_FLOATING_ALL_WINDOW_FEEL,
  29                 B_ASYNCHRONOUS_CONTROLS | B_WILL_ACCEPT_FIRST_CLICK
  30                 | B_AUTO_UPDATE_SIZE_LIMITS, 0),
  31         fUpdatedCount(0)
  32 {
  33         SetLayout(new BGroupLayout(B_HORIZONTAL));
  34
  35         BGroupLayout* layout = new BGroupLayout(B_HORIZONTAL);
  36         layout->SetInsets(5, 5, 5, 5);
  37
  38         BBox* box = new BBox("sliderbox");
  39         box->SetLayout(layout);
  40         box->SetBorder(B_PLAIN_BORDER);
  41         AddChild(box);
  42
  43         BSlider* slider = new VolumeControl(volumeWhich, !dontBeep,
  44                 new BMessage(kMsgVolumeChanged));
  45         slider->SetModificationMessage(new BMessage(kMsgVolumeUpdate));
  46         box->AddChild(slider);
  47
  48         slider->SetTarget(this);
  49         ResizeTo(300, 50);
  50
  51         // Make sure it's not outside the screen.
  52         const int32 kMargin = 3;
  53         BRect windowRect = Frame();
  54         BRect screenFrame(BScreen(B_MAIN_SCREEN_ID).Frame());
  55         if (screenFrame.right < windowRect.right + kMargin)
  56                 MoveBy(- kMargin - windowRect.right + screenFrame.right, 0);
  57         if (screenFrame.bottom < windowRect.bottom + kMargin)
  58                 MoveBy(0, - kMargin - windowRect.bottom + screenFrame.bottom);
  59         if (screenFrame.left > windowRect.left - kMargin)
  60                 MoveBy(kMargin + screenFrame.left - windowRect.left, 0);
  61         if (screenFrame.top > windowRect.top - kMargin)
  62                 MoveBy(0, kMargin + screenFrame.top - windowRect.top);
  63 }
  64
  65
  66 VolumeWindow::~VolumeWindow()
  67 {
  68 }
  69
  70
  71 void
  72 VolumeWindow::MessageReceived(BMessage *msg)
  73 {
  74         switch (msg->what) {
  75                 case kMsgVolumeUpdate:
  76                         fUpdatedCount++;
  77                         break;
  78
  79                 case kMsgVolumeChanged:
  80                         if (fUpdatedCount < 2) {
  81                                 // If the slider was set by click only, wait a bit until
  82                                 // closing the window to give some feedback that how volume
  83                                 // was changed, and that it is.
  84                                 BMessage quit(B_QUIT_REQUESTED);
  85                                 BMessageRunner::StartSending(this, &quit, 150000, 1);
  86                         } else
  87                                 Quit();
  88                         break;
  89
  90                 case B_QUIT_REQUESTED:
  91                         Quit();
  92                         break;
  93
  94                 default:
  95                         BWindow::MessageReceived(msg);
  96                         break;
  97         }
  98 }
  99