src/preferences/appearance/FontMenu.cpp

   1 #include "FontMenu.h"
   2 #include <Message.h>
   3 #include <MenuItem.h>
   4 #include <stdlib.h>
   5
   6         FontMenu::FontMenu()
   7                 : BMenu("", B_ITEMS_IN_COLUMN)
   8         {
   9                 get_menu_info(&info);
  10                 SetRadioMode(true);
  11                 GetFonts();
  12         }
  13
  14         FontMenu::~FontMenu()
  15         { /*nothing to clean up*/}
  16
  17         void
  18         FontMenu::GetFonts()
  19         {
  20                 int32 numFamilies = count_font_families();
  21                 for ( int32 i = 0; i < numFamilies; i++ ) {
  22                         font_family *family = (font_family*)malloc(sizeof(font_family));
  23                         uint32 flags;
  24                         if ( get_font_family(i, family, &flags) == B_OK ) {
  25                                 fontStyleMenu = new BMenu(*family, B_ITEMS_IN_COLUMN);
  26                                 fontStyleMenu->SetRadioMode(true);
  27                                 int32 numStyles = count_font_styles(*family);
  28                                 for ( int32 j = 0; j < numStyles; j++ ) {
  29                                         font_style *style = (font_style*)malloc(sizeof(font_style));
  30                                         if ( get_font_style(*family, j, style, &flags) == B_OK ) {
  31                                                 BMessage *msg = new BMessage(MENU_FONT_STYLE);
  32                                                 msg->AddPointer("family", family);
  33                                                 msg->AddPointer("style", style);
  34                                                 fontStyleItem = new BMenuItem(*style, msg, 0, 0);
  35                                                 fontStyleMenu->AddItem(fontStyleItem);
  36                                         }
  37                                 }
  38                                 BMessage *msg = new BMessage(MENU_FONT_FAMILY);
  39                                 msg->AddPointer("family", family);
  40                                 font_style *style = (font_style*)malloc(sizeof(font_style));
  41                                 // if font family selected, we need to change style to
  42                                 // first style
  43                                 if ( get_font_style(*family, 0, style, &flags) == B_OK )
  44                                         msg->AddPointer("style", style);
  45                                 fontFamily = new BMenuItem(fontStyleMenu, msg);
  46                                 AddItem(fontFamily);
  47                         }
  48                 }
  49         }
  50
  51         void
  52         FontMenu::Update()
  53         {
  54                 // it may be better to pull all menu prefs
  55                 // related stuff out of the FontMenu class
  56                 // so it can be easily reused in other apps
  57                 get_menu_info(&info);
  58
  59                 // font menu
  60                 BFont font;
  61                 font.SetFamilyAndStyle(info.f_family, info.f_style);
  62                 font.SetSize(info.font_size);
  63                 SetFont(&font);
  64                 InvalidateLayout();
  65
  66                 // font style menus
  67                 for (int i = 0; i < CountItems(); i++) {
  68                         ItemAt(i)->Submenu()->SetFont(&font);
  69                 }
  70
  71                 ClearAllMarkedItems();
  72                 PlaceCheckMarkOnFont(info.f_family, info.f_style);
  73         }
  74
  75         status_t
  76         FontMenu::PlaceCheckMarkOnFont(font_family family, font_style style)
  77         {
  78                 BMenuItem *fontFamilyItem;
  79                 BMenuItem *fontStyleItem;
  80                 BMenu *styleMenu;
  81
  82                 fontFamilyItem = FindItem(family);
  83
  84                 if ((fontFamilyItem != NULL) && (family != NULL))
  85                 {
  86                         fontFamilyItem->SetMarked(true);
  87                         styleMenu = fontFamilyItem->Submenu();
  88
  89                         if ((styleMenu != NULL) && (style != NULL))
  90                         {
  91                                 fontStyleItem = styleMenu->FindItem(style);
  92
  93                                 if (fontStyleItem != NULL)
  94                                 {
  95                                         fontStyleItem->SetMarked(true);
  96                                 }
  97
  98                         }
  99                         else
 100                                 return B_ERROR;
 101                 }
 102                 else
 103                         return B_ERROR;
 104
 105
 106                 return B_OK;
 107         }
 108
 109         void
 110         FontMenu::ClearAllMarkedItems()
 111         {
 112                 // we need to clear all menuitems and submenuitems
 113                 for (int i = 0; i < CountItems(); i++) {
 114                         ItemAt(i)->SetMarked(false);
 115
 116                         BMenu *submenu = ItemAt(i)->Submenu();
 117                         for (int j = 0; j < submenu->CountItems(); j++) {
 118                                 submenu->ItemAt(j)->SetMarked(false);
 119                         }
 120                 }
 121
 122         }