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[wxWidgets.git] / src / common / ownerdrwcmn.cpp
1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: src/common/ownerdrwcmn.cpp
3 // Purpose: wxOwnerDrawn class methods common to all platforms
4 // Author: Marcin Malich
5 // Modified by:
6 // Created: 2009-09-22
7 // RCS-ID: $Id$
8 // Copyright: (c) 2009 Marcin Malich <me@malcom.pl>
9 // Licence: wxWindows licence
10 ///////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 // For compilers that support precompilation, includes "wx.h".
21 #include "wx/wxprec.h"
22
23 #ifdef __BORLANDC__
24 #pragma hdrstop
25 #endif
26
27 #if wxUSE_OWNER_DRAWN
28
29 #include "wx/ownerdrw.h"
30
31 #ifndef WX_PRECOMP
32 #include "wx/window.h"
33 #include "wx/font.h"
34 #include "wx/colour.h"
35 #include "wx/dcmemory.h"
36 #include "wx/settings.h"
37 #include "wx/utils.h"
38 #endif
39
40 // ============================================================================
41 // implementation
42 // ============================================================================
43
44 bool wxOwnerDrawnBase::OnMeasureItem(size_t *width, size_t *height)
45 {
46 if ( IsOwnerDrawn() )
47 {
48 wxMemoryDC dc;
49 wxFont font;
50 GetFontToUse(font);
51 dc.SetFont(font);
52
53 // item name/text without mnemonics
54 wxString name = wxStripMenuCodes(GetName(), wxStrip_Mnemonics);
55
56 wxCoord w, h;
57 dc.GetTextExtent(name, &w, &h);
58
59 *width = w + m_margin;
60 *height = h;
61 }
62 else
63 {
64 *width = 0;
65 *height = 0;
66 }
67
68 return true;
69 }
70
71 void wxOwnerDrawnBase::GetFontToUse(wxFont& font) const
72 {
73 font = m_font.IsOk() ? m_font : *wxNORMAL_FONT;
74 }
75
76 void wxOwnerDrawnBase::GetColourToUse(wxODStatus stat, wxColour& colText, wxColour& colBack) const
77 {
78 if ( stat & wxODSelected )
79 {
80 colText = wxSystemSettings::GetColour(
81 !(stat & wxODDisabled) ? wxSYS_COLOUR_HIGHLIGHTTEXT
82 : wxSYS_COLOUR_GRAYTEXT);
83
84 colBack = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
85 }
86 else
87 {
88 // fall back to default colors if none explicitly specified
89
90 if ( stat & wxODDisabled )
91 {
92 colText = wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT);
93 }
94 else
95 {
96 colText = m_colText.Ok() ? m_colText
97 : wxSystemSettings::GetColour(wxSYS_COLOUR_MENUTEXT);
98 }
99
100 colBack = m_colBack.Ok() ? m_colBack
101 : wxSystemSettings::GetColour(wxSYS_COLOUR_MENU);
102 }
103 }
104
105 #endif // wxUSE_OWNER_DRAWN