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make string at least empty (instead of containing garbage) if malloc() failed
[wxWidgets.git] / src / common / settcmn.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: common/settcmn.cpp
3 // Purpose: common (to all ports) wxWindow functions
4 // Author: Robert Roebling
5 // RCS-ID: $Id$
6 // Copyright: (c) wxWindows team
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 // ============================================================================
11 // declarations
12 // ============================================================================
13
14 // ----------------------------------------------------------------------------
15 // headers
16 // ----------------------------------------------------------------------------
17
18 #ifdef __GNUG__
19 #pragma implementation "settings.h"
20 #endif
21
22 // For compilers that support precompilation, includes "wx.h".
23 #include "wx/wxprec.h"
24
25 #ifdef __BORLANDC__
26 #pragma hdrstop
27 #endif
28
29 #ifndef WX_PRECOMP
30 #include "wx/defs.h"
31 #include "wx/utils.h"
32 #include "wx/settings.h"
33 #endif //WX_PRECOMP
34
35 // ----------------------------------------------------------------------------
36 // static data
37 // ----------------------------------------------------------------------------
38
39 wxSystemScreenType wxSystemSettings::ms_screen = wxSYS_SCREEN_NONE;
40
41 // ----------------------------------------------------------------------------
42 // ----------------------------------------------------------------------------
43
44 wxSystemScreenType wxSystemSettings::GetScreenType()
45 {
46 if (ms_screen == wxSYS_SCREEN_NONE)
47 #ifndef __WXUNIVERSAL__
48 {
49 // As a start, all GUI are desktops.
50 ms_screen = wxSYS_SCREEN_DESKTOP;
51 }
52 #else
53 {
54 // wxUniv will be used on small devices, too.
55 int x = GetMetric( wxSYS_SCREEN_X );
56
57 ms_screen = wxSYS_SCREEN_DESKTOP;
58
59 if (x < 800)
60 ms_screen = wxSYS_SCREEN_SMALL;
61
62 if (x < 640)
63 ms_screen = wxSYS_SCREEN_PDA;
64
65 if (x < 200)
66 ms_screen = wxSYS_SCREEN_TINY;
67 }
68 #endif
69
70 return ms_screen;
71 }
72
73 void wxSystemSettings::SetScreenType( wxSystemScreenType screen )
74 {
75 ms_screen = screen;
76 }
77