src/apps/processcontroller/IconMenuItem.cpp

   1 /*
   2
   3         IconMenuItem.cpp
   4
   5         ProcessController
   6         (c) 2000, Georges-Edouard Berenger, All Rights Reserved.
   7         Copyright (C) 2004 beunited.org
   8
   9         This library is free software; you can redistribute it and/or
  10         modify it under the terms of the GNU Lesser General Public
  11         License as published by the Free Software Foundation; either
  12         version 2.1 of the License, or (at your option) any later version.
  13
  14         This library is distributed in the hope that it will be useful,
  15         but WITHOUT ANY WARRANTY; without even the implied warranty of
  16         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17         Lesser General Public License for more details.
  18
  19         You should have received a copy of the GNU Lesser General Public
  20         License along with this library; if not, write to the Free Software
  21         Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22
  23 */
  24
  25 #include "IconMenuItem.h"
  26 #include <Application.h>
  27 #include <NodeInfo.h>
  28 #include <Bitmap.h>
  29 #include <Roster.h>
  30
  31
  32 IconMenuItem::IconMenuItem(BBitmap* icon, const char* title,
  33         BMessage* msg, bool drawText, bool purge)
  34         : BMenuItem(title, msg),
  35         fIcon(icon),
  36         fDrawText(drawText),
  37         fPurge(purge)
  38 {
  39         if (!fIcon)
  40                 DefaultIcon(NULL);
  41 }
  42
  43
  44 IconMenuItem::IconMenuItem(BBitmap* icon, BMenu* menu, bool drawText, bool purge)
  45         : BMenuItem(menu),
  46         fIcon(icon),
  47         fDrawText(drawText),
  48         fPurge(purge)
  49
  50 {
  51         if (!fIcon)
  52                 DefaultIcon(NULL);
  53 }
  54
  55
  56 IconMenuItem::IconMenuItem(const char* mime, const char* title, BMessage* msg, bool drawText)
  57         : BMenuItem(title, msg),
  58         fIcon(NULL),
  59         fDrawText(drawText)
  60 {
  61         DefaultIcon(mime);
  62 }
  63
  64
  65 IconMenuItem::~IconMenuItem()
  66 {
  67         if (fPurge && fIcon)
  68                 delete fIcon;
  69 }
  70
  71
  72 void IconMenuItem::DrawContent()
  73 {
  74         BPoint  loc;
  75
  76         DrawIcon();
  77         if (fDrawText) {
  78                 loc = ContentLocation();
  79                 loc.x += 20;
  80                 Menu()->MovePenTo(loc);
  81                 BMenuItem::DrawContent();
  82         }
  83 }
  84
  85
  86 void
  87 IconMenuItem::Highlight(bool hilited)
  88 {
  89         BMenuItem::Highlight(hilited);
  90         DrawIcon();
  91 }
  92
  93
  94 void
  95 IconMenuItem::DrawIcon()
  96 {
  97         // TODO: exact code duplication with TeamBarMenuItem::DrawIcon()
  98         if (!fIcon)
  99                 return;
 100
 101         BPoint loc = ContentLocation();
 102         BRect frame = Frame();
 103
 104         loc.y = frame.top + (frame.bottom - frame.top - 15) / 2;
 105
 106         BMenu* menu = Menu();
 107
 108         if (fIcon->ColorSpace() == B_RGBA32) {
 109                 menu->SetDrawingMode(B_OP_ALPHA);
 110                 menu->SetBlendingMode(B_PIXEL_ALPHA, B_ALPHA_OVERLAY);
 111         } else
 112                 menu->SetDrawingMode(B_OP_OVER);
 113
 114         menu->DrawBitmap(fIcon, loc);
 115
 116         menu->SetDrawingMode(B_OP_COPY);
 117 }
 118
 119
 120 void
 121 IconMenuItem::GetContentSize(float* width, float* height)
 122 {
 123         BMenuItem::GetContentSize(width, height);
 124         int     limit = IconMenuItem::MinHeight();
 125         if (*height < limit)
 126                 *height = limit;
 127         if (fDrawText)
 128                 *width += 20;
 129         else
 130                 *width = 16;
 131 }
 132
 133
 134 void
 135 IconMenuItem::DefaultIcon(const char* mime)
 136 {
 137         BRect rect(0, 0, 15, 15);
 138         fIcon = new BBitmap(rect, B_COLOR_8_BIT);
 139         if (mime) {
 140                 BMimeType mimeType(mime);
 141                 if (mimeType.GetIcon(fIcon, B_MINI_ICON) != B_OK)
 142                         fDrawText = true;
 143         } else {
 144                 app_info info;
 145                 be_app->GetAppInfo(&info);
 146                 if (BNodeInfo::GetTrackerIcon(&info.ref, fIcon, B_MINI_ICON) != B_OK)
 147                         fDrawText = true;
 148         }
 149         fPurge = true;
 150 }
 151
 152
 153 int IconMenuItem::MinHeight()
 154 {
 155         static int      minheight = -1;
 156         if (minheight < 0)
 157                 minheight = 17;
 158         return minheight;
 159 }