Mercurial > sdl-ios-xcode
annotate src/cdrom/macosx/CAGuard.h @ 664:abfdc08eb289
Date: Sun, 3 Aug 2003 22:07:57 +0200
From: Max Horn
Subject: SDL OSX fullscreen FIX
the attached patch fixes the fullscreen problems on SDL/OSX. The cause
was that click events are bounded by winRect. Now, winRect is set to
the size of the video surface. But if you e.g. request a 640x420
surface, you might get a 640x480 "real" surface. Still,
SDL_VideoSurface->h will be set to 420! Thus, the upper 60 pixels in my
example received no mouse down events.
My fix simply disables this clipping when in full screen mode - after
all, all clicks then should be inside the screen surface. Higher SDL
functions ensure that the coordinates then are clipped to 640x420. It
works fine in all my tests here. I don't know if it's the right thing
to do in multi screen scenarios, though.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Mon, 04 Aug 2003 01:00:30 +0000 |
parents | 9c6717a1c66f |
children | b8d311d90021 |
rev | line source |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga |
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4 |
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5 This library is free software; you can redistribute it and/or |
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6 modify it under the terms of the GNU Library General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2 of the License, or (at your option) any later version. |
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9 |
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10 This library is distributed in the hope that it will be useful, |
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 Library General Public License for more details. |
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14 |
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15 You should have received a copy of the GNU Library General Public |
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16 License along with this library; if not, write to the Free |
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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18 |
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19 Sam Lantinga |
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20 slouken@libsdl.org |
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21 */ |
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22 /* |
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23 Note: This file hasn't been modified so technically we have to keep the disclaimer :-( |
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24 |
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25 |
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26 Copyright: © Copyright 2002 Apple Computer, Inc. All rights reserved. |
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27 |
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28 Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. |
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29 ("Apple") in consideration of your agreement to the following terms, and your |
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30 use, installation, modification or redistribution of this Apple software |
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31 constitutes acceptance of these terms. If you do not agree with these terms, |
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32 please do not use, install, modify or redistribute this Apple software. |
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33 |
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34 In consideration of your agreement to abide by the following terms, and subject |
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35 to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs |
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36 copyrights in this original Apple software (the "Apple Software"), to use, |
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37 reproduce, modify and redistribute the Apple Software, with or without |
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38 modifications, in source and/or binary forms; provided that if you redistribute |
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39 the Apple Software in its entirety and without modifications, you must retain |
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40 this notice and the following text and disclaimers in all such redistributions of |
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41 the Apple Software. Neither the name, trademarks, service marks or logos of |
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42 Apple Computer, Inc. may be used to endorse or promote products derived from the |
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43 Apple Software without specific prior written permission from Apple. Except as |
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44 expressly stated in this notice, no other rights or licenses, express or implied, |
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45 are granted by Apple herein, including but not limited to any patent rights that |
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46 may be infringed by your derivative works or by other works in which the Apple |
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47 Software may be incorporated. |
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48 |
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49 The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO |
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50 WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED |
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51 WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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52 PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN |
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53 COMBINATION WITH YOUR PRODUCTS. |
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54 |
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55 IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR |
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56 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
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57 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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58 ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION |
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59 OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT |
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60 (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN |
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61 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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62 */ |
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63 /*============================================================================= |
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64 CAGuard.h |
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65 |
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66 =============================================================================*/ |
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67 #if !defined(__CAGuard_h__) |
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68 #define __CAGuard_h__ |
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69 |
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70 //============================================================================= |
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71 // Includes |
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72 //============================================================================= |
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73 |
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74 #include <CoreAudio/CoreAudioTypes.h> |
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75 #include <pthread.h> |
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76 |
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77 |
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78 //============================================================================= |
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79 // CAGuard |
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80 // |
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81 // This is your typical mutex with signalling implemented via pthreads. |
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82 // Lock() will return true if and only if the guard is locked on that call. |
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83 // A thread that already has the guard will receive 'false' if it locks it |
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84 // again. Use of the stack-based CAGuard::Locker class is highly recommended |
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85 // to properly manage the recursive nesting. The Wait calls with timeouts |
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86 // will return true if and only if the timeout period expired. They will |
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87 // return false if they receive notification any other way. |
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88 //============================================================================= |
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89 |
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90 class CAGuard |
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91 { |
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92 |
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93 // Construction/Destruction |
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94 public: |
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95 CAGuard(); |
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96 virtual ~CAGuard(); |
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97 |
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98 // Actions |
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99 public: |
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100 virtual bool Lock(); |
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101 virtual void Unlock(); |
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102 virtual bool Try(bool& outWasLocked); // returns true if lock is free, false if not |
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103 |
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104 virtual void Wait(); |
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105 |
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106 virtual void Notify(); |
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107 |
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108 // Implementation |
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109 protected: |
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110 pthread_mutex_t mMutex; |
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111 pthread_cond_t mCondVar; |
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112 pthread_t mOwner; |
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113 |
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114 // Helper class to manage taking and releasing recursively |
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115 public: |
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116 class Locker |
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117 { |
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118 |
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119 // Construction/Destruction |
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120 public: |
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121 Locker(CAGuard& inGuard) : mGuard(inGuard), mNeedsRelease(false) { mNeedsRelease = mGuard.Lock(); } |
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122 ~Locker() { if(mNeedsRelease) { mGuard.Unlock(); } } |
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123 |
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124 private: |
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125 Locker(const Locker&); |
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126 Locker& operator=(const Locker&); |
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127 |
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128 // Actions |
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129 public: |
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130 void Wait() { mGuard.Wait(); } |
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131 |
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132 void Notify() { mGuard.Notify(); } |
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133 |
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134 // Implementation |
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135 private: |
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136 CAGuard& mGuard; |
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137 bool mNeedsRelease; |
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138 |
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139 }; |
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140 |
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141 }; |
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142 |
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143 #endif |