src/tests/add-ons/print/ppd/ui/PrinterSelection.cpp

   1 /*
   2  * Copyright 2008, Haiku.
   3  * Distributed under the terms of the MIT license.
   4  *
   5  * Authors:
   6  *              Michael Pfeiffer <laplace@users.sourceforge.net>
   7  */
   8
   9 #include "PrinterSelection.h"
  10 #include "PPDParser.h"
  11 #include "StatementListVisitor.h"
  12 #include "UIUtils.h"
  13
  14 #include <Directory.h>
  15 #include <Entry.h>
  16 #include <Path.h>
  17
  18 #include <ScrollView.h>
  19 #include <StringView.h>
  20
  21 // margin
  22 const float kLeftMargin = 3.0;
  23 const float kRightMargin = 3.0;
  24 const float kTopMargin = 3.0;
  25 const float kBottomMargin = 3.0;
  26
  27 // space between views
  28 const float kHorizontalSpace = 8.0;
  29 const float kVerticalSpace = 8.0;
  30
  31 #include <stdio.h>
  32
  33 PrinterSelectionView::PrinterSelectionView(BRect bounds, const char *name, uint32 resizeMask, uint32 flags)
  34         : BView(bounds, name, resizeMask, flags)
  35 {
  36         // add vendor list view
  37         bounds.OffsetTo(0, 0);
  38         BRect listBounds(bounds.left + kLeftMargin, bounds.top + kTopMargin,
  39                 bounds.right / 3.0 - kHorizontalSpace / 2, bounds.bottom - kBottomMargin);
  40         listBounds.right -= B_V_SCROLL_BAR_WIDTH;
  41         listBounds.bottom -= B_H_SCROLL_BAR_HEIGHT;
  42
  43         BStringView* label = new BStringView(listBounds, "vendors-label", "Vendors:");
  44         AddChild(label);
  45         label->ResizeToPreferred();
  46
  47         listBounds.top += label->Bounds().bottom + 5;
  48
  49         fVendors = new BListView(listBounds, "vendors", B_SINGLE_SELECTION_LIST,
  50                 B_FOLLOW_ALL);
  51         FillVendors();
  52
  53         BScrollView* scrollView = new BScrollView("vendors-scroll-view",
  54                 fVendors, B_FOLLOW_LEFT | B_FOLLOW_TOP_BOTTOM, 0, true, true);
  55
  56         AddChild(scrollView);
  57
  58         // add details view
  59         BRect printerBounds(listBounds);
  60         printerBounds.left = B_V_SCROLL_BAR_WIDTH + printerBounds.right + kHorizontalSpace;
  61         printerBounds.right = bounds.right - kRightMargin - B_V_SCROLL_BAR_WIDTH;
  62         printerBounds.top = bounds.top + kTopMargin;
  63         label = new BStringView(printerBounds, "printers-label", "Printers:");
  64         AddChild(label);
  65         label->ResizeToPreferred();
  66
  67         BRect detailBounds(listBounds);
  68         detailBounds.left = B_V_SCROLL_BAR_WIDTH + detailBounds.right + kHorizontalSpace;
  69         detailBounds.right = bounds.right - kRightMargin - B_V_SCROLL_BAR_WIDTH;
  70         fPrinters = new BListView(detailBounds, "printers", B_SINGLE_SELECTION_LIST,
  71                 B_FOLLOW_ALL);
  72
  73         scrollView = new BScrollView("printers-scroll-view",
  74                 fPrinters, B_FOLLOW_LEFT | B_FOLLOW_TOP_BOTTOM, 0, true, true);
  75
  76         AddChild(scrollView);
  77 }
  78
  79 void PrinterSelectionView::AttachedToWindow()
  80 {
  81         fVendors->SetSelectionMessage(new BMessage('sel'));
  82         fVendors->SetTarget(this);
  83
  84         fPrinters->SetSelectionMessage(new BMessage('prnt'));
  85         fPrinters->SetTarget(this);
  86 }
  87
  88
  89 void PrinterSelectionView::FillVendors()
  90 {
  91         BDirectory directory("/boot/beos/etc/ppd");
  92         BEntry entry;
  93         while (directory.GetNextEntry(&entry) == B_OK) {
  94                 char name[B_FILE_NAME_LENGTH];
  95                 entry.GetName(name);
  96                 BPath path;
  97                 entry.GetPath(&path);
  98                 fVendors->AddItem(new FileItem(name, path.Path()));
  99         }
 100 }
 101
 102 void PrinterSelectionView::FillPrinters(const char* vendor)
 103 {
 104         MakeEmpty(fPrinters);
 105
 106         BList printers;
 107         BDirectory directory(vendor);
 108         BEntry entry;
 109         while (directory.GetNextEntry(&entry) == B_OK) {
 110                 char name[B_FILE_NAME_LENGTH];
 111                 entry.GetName(name);
 112                 BPath path;
 113                 entry.GetPath(&path);
 114
 115                 PPDParser parser(path.Path());
 116                 PPD* ppd = parser.ParseHeader();
 117                 if (parser.HasWarning()) {
 118                         fprintf(stderr, "Warning(s): %s", parser.GetWarningMessage());
 119                 }
 120
 121                 if (ppd != NULL) {
 122
 123                         BString label;
 124                         const char* s;
 125                         s = ppd->GetValue("ModelName");
 126                         if (s != NULL) {
 127                                 label << s;
 128                         }
 129                         s = ppd->GetValue("PCFileName");
 130                         if (s != NULL) {
 131                                 label << " [" << s << "]";
 132                         }
 133                         s = ppd->GetValue("Manufacturer");
 134                         if (s != NULL) {
 135                                 label << " (" << s << ")";
 136                         }
 137                         printers.AddItem(new FileItem(label.String(), path.Path()));
 138                         delete ppd;
 139                 } else {
 140                         fprintf(stderr, "Parsing error (%s)\n%s\n", path.Path(),
 141                                 parser.GetErrorMessage());
 142                 }
 143         }
 144
 145         fPrinters->AddList(&printers);
 146 }
 147
 148 void PrinterSelectionView::MessageReceived(BMessage* msg)
 149 {
 150         int32 index;
 151         switch (msg->what) {
 152                 case 'sel':
 153                         if (msg->FindInt32("index", &index) == B_OK) {
 154                                 FileItem* file = (FileItem*)fVendors->ItemAt(index);
 155                                 if (file != NULL) {
 156                                         FillPrinters(file->GetFile());
 157                                 }
 158                         }
 159                         break;
 160                 case 'prnt':
 161                         if (msg->FindInt32("index", &index) == B_OK) {
 162                                 FileItem* file = (FileItem*)fPrinters->ItemAt(index);
 163                                 if (file != NULL) {
 164                                         BMessage copy(*Message());
 165                                         copy.AddString("file", file->GetFile());
 166                                         InvokeNotify(&copy);
 167                                 }
 168                         }
 169                         break;
 170         }
 171         BView::MessageReceived(msg);
 172 }