src/preferences/appearance/FontSelectionView.h

   1 /*
   2  * Copyright 2001-2009, Haiku.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Mark Hogben
   7  *              DarkWyrm <bpmagic@columbus.rr.com>
   8  *              Axel Dörfler, axeld@pinc-software.de
   9  *              Philippe Saint-Pierre, stpere@gmail.com
  10  */
  11 #ifndef FONT_SELECTION_VIEW_H
  12 #define FONT_SELECTION_VIEW_H
  13
  14
  15 #include <View.h>
  16
  17 class BLayoutItem;
  18 class BBox;
  19 class BMenuField;
  20 class BPopUpMenu;
  21 class BStringView;
  22
  23 static const int32 kMsgSetFamily = 'fmly';
  24 static const int32 kMsgSetStyle = 'styl';
  25 static const int32 kMsgSetSize = 'size';
  26
  27
  28 class FontSelectionView : public BView {
  29 public:
  30                                                                 FontSelectionView(const char* name,
  31                                                                         const char* label,
  32                                                                         const BFont* font = NULL);
  33         virtual                                         ~FontSelectionView();
  34
  35         virtual void                            MessageReceived(BMessage* message);
  36
  37                         void                            SetTarget(BHandler* messageTarget);
  38
  39                         void                            SetDefaults();
  40                         void                            Revert();
  41                         bool                            IsDefaultable();
  42                         bool                            IsRevertable();
  43
  44                         void                            UpdateFontsMenu();
  45
  46                         BLayoutItem*            CreateSizesLabelLayoutItem();
  47                         BLayoutItem*            CreateSizesMenuBarLayoutItem();
  48
  49                         BLayoutItem*            CreateFontsLabelLayoutItem();
  50                         BLayoutItem*            CreateFontsMenuBarLayoutItem();
  51
  52                         BView*                          GetPreviewBox();
  53
  54 private:
  55                         void                            _SelectCurrentFont(bool select);
  56                         void                            _SelectCurrentSize(bool select);
  57                         void                            _UpdateFontPreview();
  58                         void                            _UpdateSystemFont();
  59                         void                            _BuildSizesMenu();
  60
  61 protected:
  62                         BHandler*                       fMessageTarget;
  63
  64                         BMenuField*                     fFontsMenuField;
  65                         BMenuField*                     fSizesMenuField;
  66                         BPopUpMenu*                     fFontsMenu;
  67                         BPopUpMenu*                     fSizesMenu;
  68
  69                         BBox*                           fPreviewBox;
  70                         BStringView*            fPreviewText;
  71
  72                         BFont                           fSavedFont;
  73                         BFont                           fCurrentFont;
  74                         float                           fMaxFontNameWidth;
  75 };
  76
  77 #endif  // FONT_SELECTION_VIEW_H