src/apps/webpositive/support/FontSelectionView.h

   1 /*
   2  * Copyright 2001-2010, 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  *              Stephan Aßmus <superstippi@gmx.de>
  11  */
  12 #ifndef FONT_SELECTION_VIEW_H
  13 #define FONT_SELECTION_VIEW_H
  14
  15
  16 #include <Font.h>
  17 #include <Handler.h>
  18
  19 class BLayoutItem;
  20 class BBox;
  21 class BMenu;
  22 class BMenuField;
  23 class BPopUpMenu;
  24 class BStringView;
  25 class BView;
  26
  27
  28 class FontSelectionView : public BHandler {
  29 public:
  30                                                                 FontSelectionView(const char* name,
  31                                                                         const char* label, bool separateStyles,
  32                                                                         const BFont* font = NULL);
  33         virtual                                         ~FontSelectionView();
  34
  35                         void                            AttachedToLooper();
  36         virtual void                            MessageReceived(BMessage* message);
  37
  38                         void                            SetMessage(BMessage* message);
  39                         void                            SetTarget(BHandler* target);
  40
  41                         void                            SetFont(const BFont& font, float size);
  42                         void                            SetFont(const BFont& font);
  43                         void                            SetSize(float size);
  44                         const BFont&            Font() const;
  45
  46                         void                            SetDefaults();
  47                         void                            Revert();
  48                         bool                            IsDefaultable();
  49                         bool                            IsRevertable();
  50
  51                         void                            UpdateFontsMenu();
  52
  53                         BLayoutItem*            CreateSizesLabelLayoutItem();
  54                         BLayoutItem*            CreateSizesMenuBarLayoutItem();
  55
  56                         BLayoutItem*            CreateFontsLabelLayoutItem();
  57                         BLayoutItem*            CreateFontsMenuBarLayoutItem();
  58
  59                         BLayoutItem*            CreateStylesLabelLayoutItem();
  60                         BLayoutItem*            CreateStylesMenuBarLayoutItem();
  61
  62                         BView*                          PreviewBox() const;
  63
  64 private:
  65                         void                            _Invoke();
  66
  67                         BFont                           _DefaultFont() const;
  68                         void                            _SelectCurrentFont(bool select);
  69                         void                            _SelectCurrentSize(bool select);
  70                         void                            _UpdateFontPreview();
  71                         void                            _BuildSizesMenu();
  72                         void                            _AddStylesToMenu(const BFont& font,
  73                                                                         BMenu* menu) const;
  74
  75 protected:
  76                         BMenuField*                     fFontsMenuField;
  77                         BMenuField*                     fStylesMenuField;
  78                         BMenuField*                     fSizesMenuField;
  79                         BPopUpMenu*                     fFontsMenu;
  80                         BPopUpMenu*                     fStylesMenu;
  81                         BPopUpMenu*                     fSizesMenu;
  82                         BStringView*            fPreviewText;
  83
  84                         BFont                           fSavedFont;
  85                         BFont                           fCurrentFont;
  86
  87                         BMessage*                       fMessage;
  88                         BHandler*                       fTarget;
  89 };
  90
  91 #endif  // FONT_SELECTION_VIEW_H