]> git.saurik.com Git - wxWidgets.git/blob - src/cocoa/display.mm
guard for 10.2
[wxWidgets.git] / src / cocoa / display.mm
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/cocoa/display.mm
3 // Purpose: Cocoa implementation of wxDisplay class
4 // Author: Ryan Norton
5 // Modified by:
6 // Created: 2004-10-03
7 // RCS-ID: $Id$
8 // Copyright: (c) Ryan Norton
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifdef __GNUG__
13 #pragma implementation "display.h"
14 #endif
15
16 // For compilers that support precompilation, includes "wx.h".
17 #include "wx/wxprec.h"
18
19 #ifdef __BORLANDC__
20 #pragma hdrstop
21 #endif
22
23 #if wxUSE_DISPLAY
24
25 #ifndef WX_PRECOMP
26 #include "wx/dynarray.h"
27 #endif
28
29 #include "wx/display.h"
30 #include "wx/gdicmn.h"
31 #include "wx/string.h"
32
33 #import <Foundation/Foundation.h>
34
35 // ----------------------------------------------------------------------------
36 // private classes
37 // ----------------------------------------------------------------------------
38
39 size_t wxDisplayBase::GetCount()
40 {
41 CGDisplayCount count;
42 #ifdef __WXDEBUG__
43 CGDisplayErr err =
44 #endif
45 CGGetActiveDisplayList(0, NULL, &count);
46
47 wxASSERT(err == CGDisplayNoErr);
48 return count;
49 }
50
51 int wxDisplayBase::GetFromPoint(const wxPoint &p)
52 {
53 CGPoint thePoint = {(float)p.x, (float)p.y};
54 CGDirectDisplayID theID;
55 CGDisplayCount theCount;
56 CGDisplayErr err = CGGetDisplaysWithPoint(thePoint, 1, &theID, &theCount);
57 wxASSERT(err == CGDisplayNoErr);
58 int nWhich = -1;
59
60 if (theCount)
61 {
62 theCount = GetCount();
63 CGDirectDisplayID* theIDs = new CGDirectDisplayID[theCount];
64 err = CGGetActiveDisplayList(theCount, theIDs, &theCount);
65 wxASSERT(err == CGDisplayNoErr);
66
67 for(nWhich = 0; nWhich < (int) theCount; ++nWhich)
68 {
69 if(theIDs[nWhich] == theID)
70 break;
71 }
72
73 delete[] theIDs;
74
75 if(nWhich == (int) theCount)
76 {
77 wxFAIL_MSG(wxT("Failed to find display in display list"));
78 nWhich = -1;
79 }
80 }
81
82 return nWhich;
83 }//CFUserNotification[NSBundle bundleForClass:[self class]]
84
85 wxDisplay::wxDisplay(size_t index) : wxDisplayBase ( index )
86 {
87 CGDisplayCount theCount = GetCount();
88 CGDirectDisplayID* theIDs = new CGDirectDisplayID[theCount];
89 #ifdef __WXDEBUG__
90 CGDisplayErr err =
91 #endif
92 CGGetActiveDisplayList(theCount, theIDs, &theCount);
93
94 wxASSERT(err == CGDisplayNoErr);
95 wxASSERT(index < theCount);
96
97 m_id = theIDs[index];
98
99 delete[] theIDs;
100 }
101
102 wxRect wxDisplay::GetGeometry() const
103 {
104 CGRect theRect = CGDisplayBounds(m_id);
105 return wxRect( (int)theRect.origin.x,
106 (int)theRect.origin.y,
107 (int)theRect.size.width,
108 (int)theRect.size.height ); //floats
109 }
110
111 int wxDisplay::GetDepth() const
112 {
113 return (int) CGDisplayBitsPerPixel(m_id); //size_t
114 }
115
116 wxString wxDisplay::GetName() const
117 {
118 // Macs don't name their displays...
119 return wxEmptyString;
120 }
121
122 static int wxCFDictKeyToInt( CFDictionaryRef desc, CFStringRef key )
123 {
124 CFNumberRef value;
125 int num = 0;
126
127 if ( (value = (CFNumberRef) CFDictionaryGetValue(desc, key)) == NULL )
128 return 0;
129 CFNumberGetValue(value, kCFNumberIntType, &num);
130 return num;
131 }
132
133 wxArrayVideoModes
134 wxDisplay::GetModes(const wxVideoMode& mode) const
135 {
136 wxArrayVideoModes Modes;
137
138 CFArrayRef theArray = CGDisplayAvailableModes(m_id);
139
140 for(CFIndex i = 0; i < CFArrayGetCount(theArray); ++i)
141 {
142 CFDictionaryRef theValue = (CFDictionaryRef) CFArrayGetValueAtIndex(theArray, i);
143
144 wxVideoMode theMode(wxCFDictKeyToInt(theValue, kCGDisplayWidth),
145 wxCFDictKeyToInt(theValue, kCGDisplayHeight),
146 wxCFDictKeyToInt(theValue, kCGDisplayBitsPerPixel),
147 wxCFDictKeyToInt(theValue, kCGDisplayRefreshRate));
148
149 if (theMode.Matches(mode))
150 Modes.Add(theMode);
151 }
152
153 return Modes;
154 }
155
156 wxVideoMode wxDisplay::GetCurrentMode() const
157 {
158 CFDictionaryRef theValue = CGDisplayCurrentMode (m_id);
159
160 return wxVideoMode(wxCFDictKeyToInt(theValue, kCGDisplayWidth),
161 wxCFDictKeyToInt(theValue, kCGDisplayHeight),
162 wxCFDictKeyToInt(theValue, kCGDisplayBitsPerPixel),
163 wxCFDictKeyToInt(theValue, kCGDisplayRefreshRate));
164 }
165
166 bool wxDisplay::ChangeMode(const wxVideoMode& mode)
167 {
168 //Changing to default mode (wxDefualtVideoMode) doesn't
169 //work because we don't have access to the system's 'scrn'
170 //resource which holds the user's mode which the system
171 //will return to after this app is done
172 boolean_t bExactMatch;
173 CFDictionaryRef theCGMode = CGDisplayBestModeForParametersAndRefreshRate (
174 m_id,
175 (size_t)mode.bpp,
176 (size_t)mode.w,
177 (size_t)mode.h,
178 (double)mode.refresh,
179 &bExactMatch);
180
181 bool bOK = bExactMatch;
182
183 if(bOK)
184 bOK = CGDisplaySwitchToMode(m_id, theCGMode) == CGDisplayNoErr;
185
186 return bOK;
187 }
188
189 wxDisplay::~wxDisplay()
190 {
191 }
192
193 #endif // wxUSE_DISPLAY