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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/unix/utilsx11.cpp
3 // Purpose: Miscellaneous X11 functions
4 // Author: Mattia Barbon
5 // Modified by:
6 // Created: 25.03.02
7 // RCS-ID: $Id$
8 // Copyright: (c) wxWindows team
9 // Licence: wxWindows license
10 /////////////////////////////////////////////////////////////////////////////
11
12 #if defined(__WXX11__) || defined(__WXGTK__) || defined(__WXMOTIF__)
13
14 #include "wx/unix/utilsx11.h"
15 #include "wx/iconbndl.h"
16 #include "wx/image.h"
17 #include "wx/icon.h"
18
19 #ifdef __VMS
20 #pragma message disable nosimpint
21 #endif
22 #include <X11/Xlib.h>
23 #include <X11/Xatom.h>
24 #ifdef __VMS
25 #pragma message enable nosimpint
26 #endif
27
28 void wxSetIconsX11( WXDisplay* display, WXWindow window,
29 const wxIconBundle& ib )
30 {
31 #if !wxUSE_NANOX
32 size_t size = 0;
33 size_t i, max = ib.m_icons.GetCount();
34
35 for( i = 0; i < max; ++i )
36 if( ib.m_icons[i].Ok() )
37 size += 2 + ib.m_icons[i].GetWidth() * ib.m_icons[i].GetHeight();
38
39 Atom net_wm_icon = XInternAtom( (Display*)display, "_NET_WM_ICON", 0 );
40
41 if( size > 0 )
42 {
43 wxUint32* data = new wxUint32[size];
44 wxUint32* ptr = data;
45
46 for( i = 0; i < max; ++i )
47 {
48 const wxImage image = ib.m_icons[i].ConvertToImage();
49 int width = image.GetWidth(), height = image.GetHeight();
50 unsigned char* imageData = image.GetData();
51 unsigned char* imageDataEnd = imageData + ( width * height * 3 );
52 bool hasMask = image.HasMask();
53 unsigned char rMask, gMask, bMask;
54 unsigned char r, g, b, a;
55
56 if( hasMask )
57 {
58 rMask = image.GetMaskRed();
59 gMask = image.GetMaskGreen();
60 bMask = image.GetMaskBlue();
61 }
62 else // no mask, but still init the variables to avoid warnings
63 {
64 rMask =
65 gMask =
66 bMask = 0;
67 }
68
69 *ptr++ = width;
70 *ptr++ = height;
71
72 while( imageData < imageDataEnd ) {
73 r = imageData[0];
74 g = imageData[1];
75 b = imageData[2];
76 if( hasMask && r == rMask && g == gMask && b == bMask )
77 a = 0;
78 else
79 a = 255;
80
81 *ptr++ = ( a << 24 ) | ( r << 16 ) | ( g << 8 ) | b;
82
83 imageData += 3;
84 }
85 }
86
87 XChangeProperty( (Display*)display,
88 (Window)window,
89 net_wm_icon,
90 XA_CARDINAL, 32,
91 PropModeReplace,
92 (unsigned char*)data, size );
93 delete[] data;
94 }
95 else
96 {
97 XDeleteProperty( (Display*)display,
98 (Window)window,
99 net_wm_icon );
100 }
101 #endif
102 }
103
104 #endif