Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11dga.c @ 816:428f688f2ad2
Date: Fri, 13 Feb 2004 17:03:16 +0100
From: Max Horn
Subject: Modifier key fix
The internal modifier state can get out of sync with reality. To
trigger this, do for example this:
1) Launch an SDL app
2) Alt-click on the desktop (this will hide the SDL app).
3) Bring the SDL app back to the front
4) SDL will still think alt is pressed (and as such will treat left
clicks like middle clicks). If you press and release alt, it'll be fine
again.
The attached patch cures this by rechecking the modifier state whenever
we process an event.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Fri, 13 Feb 2004 17:57:16 +0000 |
| parents | b8d311d90021 |
| children | c9b51268668f |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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b8d311d90021
Updated copyright information for 2004 (Happy New Year!)
Sam Lantinga <slouken@libsdl.org>
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|
3 Copyright (C) 1997-2004 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
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Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 /* This is currently only used to enable DGA mouse. | |
| 29 The new fullscreen code makes it very difficult to handle DGA dynamically. | |
| 30 There will be a completely separate DGA driver that is fullscreen-only. | |
| 31 */ | |
| 32 | |
| 33 #include <stdlib.h> /* For getenv() */ | |
| 34 #include "SDL_video.h" | |
| 35 #include "SDL_cursor_c.h" | |
| 36 #include "SDL_x11dga_c.h" | |
| 37 | |
| 38 /* Global for the error handler */ | |
| 39 int dga_event, dga_error = -1; | |
| 40 | |
| 41 void X11_EnableDGAMouse(_THIS) | |
| 42 { | |
| 43 #ifdef XFREE86_DGAMOUSE | |
| 44 int dga_major, dga_minor; | |
| 45 int use_dgamouse; | |
| 46 const char *env_use_dgamouse; | |
| 47 | |
| 48 /* Check configuration to see if we should use DGA mouse */ | |
| 49 #ifdef DEFAULT_DGAMOUSE | |
| 50 use_dgamouse = 1; | |
| 51 #else | |
| 52 use_dgamouse = 0; | |
| 53 #endif | |
| 54 env_use_dgamouse = getenv("SDL_VIDEO_X11_DGAMOUSE"); | |
| 55 if ( env_use_dgamouse ) { | |
| 56 use_dgamouse = atoi(env_use_dgamouse); | |
| 57 } | |
| 58 /* Check for buggy X servers */ | |
| 59 if ( use_dgamouse && BUGGY_XFREE86(==, 4000) ) { | |
| 60 use_dgamouse = 0; | |
| 61 } | |
| 62 /* Only use DGA mouse if the cursor is not showing (in relative mode) */ | |
| 63 if ( use_dgamouse && local_X11 && !(using_dga & DGA_MOUSE) && | |
|
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Added SDL_LockRect() and SDL_UnlockRect()
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64 SDL_NAME(XF86DGAQueryExtension)(SDL_Display, &dga_event, &dga_error) && |
|
eadc0746dfaf
Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
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65 SDL_NAME(XF86DGAQueryVersion)(SDL_Display, &dga_major, &dga_minor) ) { |
|
eadc0746dfaf
Added SDL_LockRect() and SDL_UnlockRect()
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diff
changeset
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66 if ( SDL_NAME(XF86DGADirectVideo)(SDL_Display, SDL_Screen, XF86DGADirectMouse) ) { |
| 0 | 67 using_dga |= DGA_MOUSE; |
| 68 } | |
| 69 } | |
| 70 #endif /* XFREE86_DGAMOUSE */ | |
| 71 } | |
| 72 | |
| 73 /* Argh. Glide resets DGA mouse mode when it makes the context current! */ | |
| 74 void X11_CheckDGAMouse(_THIS) | |
| 75 { | |
| 76 #ifdef XFREE86_DGAMOUSE | |
| 77 int flags; | |
| 78 | |
| 79 if ( using_dga & DGA_MOUSE ) { | |
|
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Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
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80 SDL_NAME(XF86DGAQueryDirectVideo)(SDL_Display, SDL_Screen, &flags); |
| 0 | 81 if ( ! (flags & XF86DGADirectMouse) ) { |
|
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eadc0746dfaf
Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
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82 SDL_NAME(XF86DGADirectVideo)(SDL_Display,SDL_Screen,XF86DGADirectMouse); |
| 0 | 83 } |
| 84 } | |
| 85 #endif | |
| 86 } | |
| 87 | |
| 88 void X11_DisableDGAMouse(_THIS) | |
| 89 { | |
| 90 #ifdef XFREE86_DGAMOUSE | |
| 91 if ( using_dga & DGA_MOUSE ) { | |
|
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eadc0746dfaf
Added SDL_LockRect() and SDL_UnlockRect()
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
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92 SDL_NAME(XF86DGADirectVideo)(SDL_Display, SDL_Screen, 0); |
| 0 | 93 using_dga &= ~DGA_MOUSE; |
| 94 } | |
| 95 #endif /* XFREE86_DGAMOUSE */ | |
| 96 } |