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51259762 | 1 | ///////////////////////////////////////////////////////////////////////////// |
1e151594 | 2 | // Name: src/cocoa/display.mm |
51259762 RN |
3 | // Purpose: Cocoa implementation of wxDisplay class |
4 | // Author: Ryan Norton | |
ef1717a9 | 5 | // Modified by: |
51259762 RN |
6 | // Created: 2004-10-03 |
7 | // RCS-ID: $Id$ | |
1e151594 | 8 | // Copyright: (c) Ryan Norton |
51259762 RN |
9 | // Licence: wxWindows licence |
10 | ///////////////////////////////////////////////////////////////////////////// | |
dcb68102 | 11 | |
51259762 RN |
12 | // For compilers that support precompilation, includes "wx.h". |
13 | #include "wx/wxprec.h" | |
14 | ||
15 | #ifdef __BORLANDC__ | |
16 | #pragma hdrstop | |
17 | #endif | |
18 | ||
19 | #if wxUSE_DISPLAY | |
20 | ||
df91131c WS |
21 | #include "wx/display.h" |
22 | ||
51259762 | 23 | #ifndef WX_PRECOMP |
df91131c WS |
24 | #include "wx/dynarray.h" |
25 | #include "wx/string.h" | |
dd05139a | 26 | #include "wx/gdicmn.h" |
51259762 RN |
27 | #endif |
28 | ||
ef1717a9 | 29 | #include "wx/display_impl.h" |
51259762 RN |
30 | |
31 | #import <Foundation/Foundation.h> | |
32 | ||
33 | // ---------------------------------------------------------------------------- | |
ef1717a9 | 34 | // display classes implementation |
51259762 RN |
35 | // ---------------------------------------------------------------------------- |
36 | ||
ef1717a9 VZ |
37 | class wxDisplayImplMacOSX : public wxDisplayImpl |
38 | { | |
39 | public: | |
4e675101 | 40 | wxDisplayImplMacOSX(unsigned n, CGDirectDisplayID id_) |
fdd7a38b VZ |
41 | : wxDisplayImpl(n), |
42 | m_id(id_) | |
43 | { | |
44 | } | |
ef1717a9 VZ |
45 | |
46 | virtual wxRect GetGeometry() const; | |
47 | virtual wxString GetName() const { return wxString(); } | |
48 | ||
49 | virtual wxArrayVideoModes GetModes(const wxVideoMode& mode) const; | |
50 | virtual wxVideoMode GetCurrentMode() const; | |
51 | virtual bool ChangeMode(const wxVideoMode& mode); | |
52 | ||
53 | private: | |
54 | CGDirectDisplayID m_id; | |
55 | ||
c0c133e1 | 56 | wxDECLARE_NO_COPY_CLASS(wxDisplayImplMacOSX); |
ef1717a9 VZ |
57 | }; |
58 | ||
59 | class wxDisplayFactoryMacOSX : public wxDisplayFactory | |
60 | { | |
61 | public: | |
fdd7a38b | 62 | wxDisplayFactoryMacOSX() { } |
ef1717a9 | 63 | |
4e675101 PC |
64 | virtual wxDisplayImpl *CreateDisplay(unsigned n); |
65 | virtual unsigned GetCount(); | |
ef1717a9 VZ |
66 | virtual int GetFromPoint(const wxPoint& pt); |
67 | ||
68 | protected: | |
c0c133e1 | 69 | wxDECLARE_NO_COPY_CLASS(wxDisplayFactoryMacOSX); |
ef1717a9 VZ |
70 | }; |
71 | ||
72 | // ============================================================================ | |
73 | // wxDisplayFactoryMacOSX implementation | |
74 | // ============================================================================ | |
75 | ||
4e675101 | 76 | unsigned wxDisplayFactoryMacOSX::GetCount() |
51259762 RN |
77 | { |
78 | CGDisplayCount count; | |
79 | #ifdef __WXDEBUG__ | |
ef1717a9 | 80 | CGDisplayErr err = |
51259762 RN |
81 | #endif |
82 | CGGetActiveDisplayList(0, NULL, &count); | |
83 | ||
84 | wxASSERT(err == CGDisplayNoErr); | |
ef1717a9 | 85 | |
51259762 RN |
86 | return count; |
87 | } | |
88 | ||
ef1717a9 VZ |
89 | int wxDisplayFactoryMacOSX::GetFromPoint(const wxPoint& p) |
90 | { | |
51259762 RN |
91 | CGPoint thePoint = {(float)p.x, (float)p.y}; |
92 | CGDirectDisplayID theID; | |
93 | CGDisplayCount theCount; | |
94 | CGDisplayErr err = CGGetDisplaysWithPoint(thePoint, 1, &theID, &theCount); | |
95 | wxASSERT(err == CGDisplayNoErr); | |
ef1717a9 VZ |
96 | |
97 | int nWhich = wxNOT_FOUND; | |
98 | ||
51259762 RN |
99 | if (theCount) |
100 | { | |
101 | theCount = GetCount(); | |
102 | CGDirectDisplayID* theIDs = new CGDirectDisplayID[theCount]; | |
103 | err = CGGetActiveDisplayList(theCount, theIDs, &theCount); | |
104 | wxASSERT(err == CGDisplayNoErr); | |
105 | ||
ef1717a9 | 106 | for (nWhich = 0; nWhich < (int) theCount; ++nWhich) |
51259762 | 107 | { |
ef1717a9 | 108 | if (theIDs[nWhich] == theID) |
51259762 RN |
109 | break; |
110 | } | |
ef1717a9 VZ |
111 | |
112 | delete [] theIDs; | |
113 | ||
114 | if (nWhich == (int) theCount) | |
51259762 RN |
115 | { |
116 | wxFAIL_MSG(wxT("Failed to find display in display list")); | |
ef1717a9 | 117 | nWhich = wxNOT_FOUND; |
51259762 RN |
118 | } |
119 | } | |
ef1717a9 | 120 | |
51259762 | 121 | return nWhich; |
ef1717a9 | 122 | } |
51259762 | 123 | |
4e675101 | 124 | wxDisplayImpl *wxDisplayFactoryMacOSX::CreateDisplay(unsigned n) |
51259762 RN |
125 | { |
126 | CGDisplayCount theCount = GetCount(); | |
127 | CGDirectDisplayID* theIDs = new CGDirectDisplayID[theCount]; | |
ef1717a9 | 128 | |
51259762 | 129 | #ifdef __WXDEBUG__ |
ef1717a9 | 130 | CGDisplayErr err = |
51259762 RN |
131 | #endif |
132 | CGGetActiveDisplayList(theCount, theIDs, &theCount); | |
133 | ||
ef1717a9 VZ |
134 | wxASSERT( err == CGDisplayNoErr ); |
135 | wxASSERT( n < theCount ); | |
136 | ||
fdd7a38b | 137 | wxDisplayImplMacOSX *display = new wxDisplayImplMacOSX(n, theIDs[n]); |
ef1717a9 VZ |
138 | |
139 | delete [] theIDs; | |
140 | ||
141 | return display; | |
51259762 RN |
142 | } |
143 | ||
ef1717a9 VZ |
144 | |
145 | wxRect wxDisplayImplMacOSX::GetGeometry() const | |
51259762 RN |
146 | { |
147 | CGRect theRect = CGDisplayBounds(m_id); | |
ef1717a9 | 148 | return wxRect( (int)theRect.origin.x, |
51259762 RN |
149 | (int)theRect.origin.y, |
150 | (int)theRect.size.width, | |
151 | (int)theRect.size.height ); //floats | |
152 | } | |
153 | ||
51259762 RN |
154 | static int wxCFDictKeyToInt( CFDictionaryRef desc, CFStringRef key ) |
155 | { | |
156 | CFNumberRef value; | |
157 | int num = 0; | |
158 | ||
159 | if ( (value = (CFNumberRef) CFDictionaryGetValue(desc, key)) == NULL ) | |
160 | return 0; | |
161 | CFNumberGetValue(value, kCFNumberIntType, &num); | |
162 | return num; | |
163 | } | |
164 | ||
ef1717a9 | 165 | wxArrayVideoModes wxDisplayImplMacOSX::GetModes(const wxVideoMode& mode) const |
51259762 RN |
166 | { |
167 | wxArrayVideoModes Modes; | |
ef1717a9 | 168 | |
51259762 RN |
169 | CFArrayRef theArray = CGDisplayAvailableModes(m_id); |
170 | ||
171 | for(CFIndex i = 0; i < CFArrayGetCount(theArray); ++i) | |
172 | { | |
173 | CFDictionaryRef theValue = (CFDictionaryRef) CFArrayGetValueAtIndex(theArray, i); | |
ef1717a9 | 174 | |
51259762 RN |
175 | wxVideoMode theMode(wxCFDictKeyToInt(theValue, kCGDisplayWidth), |
176 | wxCFDictKeyToInt(theValue, kCGDisplayHeight), | |
177 | wxCFDictKeyToInt(theValue, kCGDisplayBitsPerPixel), | |
178 | wxCFDictKeyToInt(theValue, kCGDisplayRefreshRate)); | |
ef1717a9 | 179 | |
51259762 RN |
180 | if (theMode.Matches(mode)) |
181 | Modes.Add(theMode); | |
182 | } | |
ef1717a9 | 183 | |
51259762 RN |
184 | return Modes; |
185 | } | |
186 | ||
ef1717a9 | 187 | wxVideoMode wxDisplayImplMacOSX::GetCurrentMode() const |
51259762 RN |
188 | { |
189 | CFDictionaryRef theValue = CGDisplayCurrentMode (m_id); | |
ef1717a9 | 190 | |
51259762 RN |
191 | return wxVideoMode(wxCFDictKeyToInt(theValue, kCGDisplayWidth), |
192 | wxCFDictKeyToInt(theValue, kCGDisplayHeight), | |
193 | wxCFDictKeyToInt(theValue, kCGDisplayBitsPerPixel), | |
194 | wxCFDictKeyToInt(theValue, kCGDisplayRefreshRate)); | |
195 | } | |
196 | ||
ef1717a9 | 197 | bool wxDisplayImplMacOSX::ChangeMode(const wxVideoMode& mode) |
51259762 RN |
198 | { |
199 | //Changing to default mode (wxDefualtVideoMode) doesn't | |
200 | //work because we don't have access to the system's 'scrn' | |
201 | //resource which holds the user's mode which the system | |
202 | //will return to after this app is done | |
203 | boolean_t bExactMatch; | |
204 | CFDictionaryRef theCGMode = CGDisplayBestModeForParametersAndRefreshRate ( | |
205 | m_id, | |
206 | (size_t)mode.bpp, | |
207 | (size_t)mode.w, | |
208 | (size_t)mode.h, | |
209 | (double)mode.refresh, | |
210 | &bExactMatch); | |
ef1717a9 | 211 | |
51259762 | 212 | bool bOK = bExactMatch; |
ef1717a9 | 213 | |
51259762 RN |
214 | if(bOK) |
215 | bOK = CGDisplaySwitchToMode(m_id, theCGMode) == CGDisplayNoErr; | |
216 | ||
217 | return bOK; | |
218 | } | |
219 | ||
ef1717a9 VZ |
220 | // ============================================================================ |
221 | // wxDisplay::CreateFactory() | |
222 | // ============================================================================ | |
223 | ||
224 | /* static */ wxDisplayFactory *wxDisplay::CreateFactory() | |
51259762 | 225 | { |
fdd7a38b | 226 | return new wxDisplayFactoryMacOSX; |
51259762 RN |
227 | } |
228 | ||
229 | #endif // wxUSE_DISPLAY |