src/apps/sudoku/ProgressWindow.cpp

   1 /*
   2  * Copyright 2007-2015, Axel Dörfler, axeld@pinc-software.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6
   7 #include "ProgressWindow.h"
   8
   9 #include <Autolock.h>
  10 #include <Button.h>
  11 #include <Catalog.h>
  12 #include <MessageRunner.h>
  13 #include <Screen.h>
  14 #include <StatusBar.h>
  15
  16 #include <stdio.h>
  17
  18
  19 #undef B_TRANSLATION_CONTEXT
  20 #define B_TRANSLATION_CONTEXT "ProgressWindow"
  21
  22
  23 static const uint32 kMsgShow = 'show';
  24
  25
  26 ProgressWindow::ProgressWindow(BWindow* referenceWindow,
  27                 BMessage* abortMessage)
  28         : BWindow(BRect(0, 0, 250, 100), B_TRANSLATE("Progress monitor"),
  29                 B_MODAL_WINDOW_LOOK, B_FLOATING_APP_WINDOW_FEEL,
  30                 B_NOT_ZOOMABLE | B_NOT_RESIZABLE | B_ASYNCHRONOUS_CONTROLS
  31                         | B_NO_WORKSPACE_ACTIVATION),
  32         fRunner(NULL)
  33 {
  34         BRect rect = Bounds();
  35
  36         BView *view = new BView(rect, NULL, B_FOLLOW_ALL, B_WILL_DRAW);
  37         view->SetViewUIColor(B_PANEL_BACKGROUND_COLOR);
  38         AddChild(view);
  39
  40         rect = view->Bounds().InsetByCopy(8, 8);
  41         fStatusBar = new BStatusBar(rect, "status", NULL, NULL);
  42         float width, height;
  43         fStatusBar->GetPreferredSize(&width, &height);
  44         fStatusBar->ResizeTo(rect.Width(), height);
  45         fStatusBar->SetResizingMode(B_FOLLOW_TOP | B_FOLLOW_LEFT_RIGHT);
  46         view->AddChild(fStatusBar);
  47
  48         if (abortMessage != NULL && referenceWindow) {
  49                 rect.top += height + 8;
  50                 BButton* button = new BButton(rect, "abort", B_TRANSLATE("Abort"),
  51                         abortMessage);
  52                 button->ResizeToPreferred();
  53                 button->MoveBy((rect.Width() - button->Bounds().Width()) / 2, 0);
  54                 view->AddChild(button);
  55                 button->SetTarget(referenceWindow);
  56                 height = button->Frame().bottom;
  57         }
  58
  59         ResizeTo(Bounds().Width(), height + 8);
  60         _Center(referenceWindow);
  61         Run();
  62 }
  63
  64
  65 ProgressWindow::~ProgressWindow()
  66 {
  67         delete fRunner;
  68 }
  69
  70
  71 void
  72 ProgressWindow::_Center(BWindow* referenceWindow)
  73 {
  74         BRect frame;
  75         if (referenceWindow != NULL)
  76                 frame = referenceWindow->Frame();
  77         else
  78                 frame = BScreen().Frame();
  79
  80         MoveTo(frame.left + (frame.Width() - Bounds().Width()) / 2,
  81                 frame.top + (frame.Height() - Bounds().Height()) / 2);
  82 }
  83
  84 void
  85 ProgressWindow::Start(BWindow* referenceWindow)
  86 {
  87         BAutolock _(this);
  88
  89         _Center(referenceWindow);
  90
  91         if (referenceWindow != NULL)
  92                 SetWorkspaces(referenceWindow->Workspaces());
  93
  94         fRetrievedUpdate = false;
  95         fRetrievedShow = false;
  96         delete fRunner;
  97
  98         BMessage show(kMsgShow);
  99         fRunner = new BMessageRunner(this, &show, 1000000, 1);
 100 }
 101
 102
 103 void
 104 ProgressWindow::Stop()
 105 {
 106         BAutolock _(this);
 107
 108         delete fRunner;
 109         fRunner = NULL;
 110
 111         if (!IsHidden())
 112                 Hide();
 113 }
 114
 115
 116 void
 117 ProgressWindow::MessageReceived(BMessage *message)
 118 {
 119         switch (message->what) {
 120                 case kMsgShow:
 121                         if (fRetrievedUpdate && IsHidden()) {
 122                                 Show();
 123                                 Minimize(false);
 124                         }
 125
 126                         fRetrievedShow = true;
 127                         break;
 128
 129                 case kMsgProgressStatusUpdate:
 130                         float percent;
 131                         if (message->FindFloat("percent", &percent) == B_OK)
 132                                 fStatusBar->Update(percent - fStatusBar->CurrentValue());
 133
 134                         const char *text;
 135                         if (message->FindString("message", &text) == B_OK)
 136                                 fStatusBar->SetText(text);
 137
 138                         fRetrievedUpdate = true;
 139
 140                         if (fRetrievedShow && IsHidden()) {
 141                                 Show();
 142                                 Minimize(false);
 143                         }
 144                         break;
 145
 146                 default:
 147                         BWindow::MessageReceived(message);
 148         }
 149 }
 150