| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: univ/theme.cpp |
| 3 | // Purpose: implementation of wxTheme |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 06.08.00 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 2000 SciTech Software, Inc. (www.scitechsoft.com) |
| 9 | // Licence: wxWindows licence |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // =========================================================================== |
| 13 | // declarations |
| 14 | // =========================================================================== |
| 15 | |
| 16 | // --------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // --------------------------------------------------------------------------- |
| 19 | |
| 20 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 21 | #pragma implementation "theme.h" |
| 22 | #endif |
| 23 | |
| 24 | // For compilers that support precompilation, includes "wx.h". |
| 25 | #include "wx/wxprec.h" |
| 26 | |
| 27 | #ifdef __BORLANDC__ |
| 28 | #pragma hdrstop |
| 29 | #endif |
| 30 | |
| 31 | #ifndef WX_PRECOMP |
| 32 | #include "wx/intl.h" |
| 33 | #include "wx/log.h" |
| 34 | #endif // WX_PRECOMP |
| 35 | |
| 36 | #include "wx/artprov.h" |
| 37 | |
| 38 | #include "wx/univ/renderer.h" |
| 39 | #include "wx/univ/inphand.h" |
| 40 | #include "wx/univ/theme.h" |
| 41 | |
| 42 | // ============================================================================ |
| 43 | // implementation |
| 44 | // ============================================================================ |
| 45 | |
| 46 | wxThemeInfo *wxTheme::ms_allThemes = (wxThemeInfo *)NULL; |
| 47 | wxTheme *wxTheme::ms_theme = (wxTheme *)NULL; |
| 48 | |
| 49 | // ---------------------------------------------------------------------------- |
| 50 | // "dynamic" theme creation |
| 51 | // ---------------------------------------------------------------------------- |
| 52 | |
| 53 | wxThemeInfo::wxThemeInfo(Constructor c, |
| 54 | const wxChar *n, |
| 55 | const wxChar *d) |
| 56 | : name(n), desc(d), ctor(c) |
| 57 | { |
| 58 | // insert us (in the head of) the linked list |
| 59 | next = wxTheme::ms_allThemes; |
| 60 | wxTheme::ms_allThemes = this; |
| 61 | } |
| 62 | |
| 63 | /* static */ wxTheme *wxTheme::Create(const wxString& name) |
| 64 | { |
| 65 | // find the theme in the list by name |
| 66 | wxThemeInfo *info = ms_allThemes; |
| 67 | while ( info ) |
| 68 | { |
| 69 | if ( name.CmpNoCase(info->name) == 0 ) |
| 70 | { |
| 71 | return info->ctor(); |
| 72 | } |
| 73 | |
| 74 | info = info->next; |
| 75 | } |
| 76 | |
| 77 | return (wxTheme *)NULL; |
| 78 | } |
| 79 | |
| 80 | // ---------------------------------------------------------------------------- |
| 81 | // the default theme (called by wxApp::OnInitGui) |
| 82 | // ---------------------------------------------------------------------------- |
| 83 | |
| 84 | /* static */ bool wxTheme::CreateDefault() |
| 85 | { |
| 86 | if ( ms_theme ) |
| 87 | { |
| 88 | // we already have a theme |
| 89 | return TRUE; |
| 90 | } |
| 91 | |
| 92 | wxString nameDefTheme; |
| 93 | |
| 94 | // use the environment variable first |
| 95 | const wxChar *p = wxGetenv(_T("WXTHEME")); |
| 96 | if ( p ) |
| 97 | { |
| 98 | nameDefTheme = p; |
| 99 | } |
| 100 | else // use native theme by default |
| 101 | { |
| 102 | #if defined(__WXGTK__) |
| 103 | nameDefTheme = _T("gtk"); |
| 104 | #elif defined(__WXX11__) |
| 105 | nameDefTheme = _T("win32"); |
| 106 | #else |
| 107 | nameDefTheme = _T("win32"); |
| 108 | #endif |
| 109 | } |
| 110 | |
| 111 | wxTheme *theme = Create(nameDefTheme); |
| 112 | |
| 113 | // fallback to the first one in the list |
| 114 | if ( !theme && ms_allThemes ) |
| 115 | { |
| 116 | theme = ms_allThemes->ctor(); |
| 117 | } |
| 118 | |
| 119 | // abort if still nothing |
| 120 | if ( !theme ) |
| 121 | { |
| 122 | wxLogError(_("Failed to initialize GUI: no built-in themes found.")); |
| 123 | |
| 124 | return FALSE; |
| 125 | } |
| 126 | |
| 127 | // Set the theme as current. |
| 128 | wxTheme::Set(theme); |
| 129 | |
| 130 | return TRUE; |
| 131 | } |
| 132 | |
| 133 | /* static */ wxTheme *wxTheme::Set(wxTheme *theme) |
| 134 | { |
| 135 | wxTheme *themeOld = ms_theme; |
| 136 | ms_theme = theme; |
| 137 | |
| 138 | if ( ms_theme ) |
| 139 | { |
| 140 | // automatically start using the art provider of the new theme if it |
| 141 | // has one |
| 142 | wxArtProvider *art = ms_theme->GetArtProvider(); |
| 143 | if ( art ) |
| 144 | wxArtProvider::PushProvider(art); |
| 145 | } |
| 146 | |
| 147 | return themeOld; |
| 148 | } |
| 149 | |
| 150 | // ---------------------------------------------------------------------------- |
| 151 | // assorted trivial dtors |
| 152 | // ---------------------------------------------------------------------------- |
| 153 | |
| 154 | wxTheme::~wxTheme() |
| 155 | { |
| 156 | } |
| 157 | |