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view src/video/vgl/SDL_vglevents_c.h @ 1192:54aa9aa32327
To: sdl@libsdl.org
From: Christian Walther <cwalther@gmx.ch>
Date: Fri, 18 Nov 2005 23:39:02 +0100
Subject: [SDL] Mouse position bugs on Mac OS X
The attached patch fixes a few bugs in SDL related to the mouse position
in windowed mode on Mac OS X, reproduced using the attached minimal test
program - at least here on 10.3.9, with SDL CVS from today. Could anyone
test whether the bugs exist and are fixed by the patch on 10.2 and 10.4?
1. When using OpenGL, the vertical mouse positions obtained through
events or SDL_GetMouseState() are off by one.
2. When using OpenGL, SDL_WarpMouse() inverts the y coordinate.
3. Clicks on the topmost pixel row of the window are not recognized.
1 and 2 do not occur in non-OpenGL mode, while 3 does. All three only
occur in windowed mode, not in fullscreen.
The cause for 1 and 3 is that in Cocoa, "the location of the mouse"
seems to be defined as "the location of the top left corner of the mouse
pointer's hot pixel" (this is not documented, it's just what I found out
here), which together with the fact that Cocoa's usual y coordinates
start at the bottom and increase upwards means that the y coordinate of
the mouse runs from 1 to h, not from 0 to h-1, in a window of height h.
If it does work on 10.2 and 10.4 (I'll try to test it as soon as I can,
but at the moment all I have at hand is 10.3.9), can this be applied to
the CVS?
-Christian
To: sdl@libsdl.org
From: Christian Walther <cwalther@gmx.ch>
Date: Mon, 28 Nov 2005 10:41:51 +0100
Subject: [SDL] Re: Mouse position bugs on Mac OS X
I wrote:
> I'll try to test it as soon as I can, but at the moment all I have at hand is 10.3.9
So, here are the results of my tests (with patched and unpatched
frameworks compiled with Xcode 1.5 (gcc 3.3) on 10.3.9):
On 10.1.5, my test program doesn't run because of "Undefined symbols:
SDL undefined reference to _CGMainDisplayID expected to be defined in
Carbon". I guess not supporting 10.1 was a deliberate decision then and
that's OK with me.
On 10.2.8, 10.3.9, and 10.4.0, the bugs exist as described in my
original post and are fixed by my patch. That is, there is no difference
between pre/post 10.3 and the patched version works correctly in all
combinations of GL/non-GL and windowed/fullscreen.
I therefore recommend the patch for inclusion.
-Christian
author | Ryan C. Gordon <icculus@icculus.org> |
---|---|
date | Mon, 28 Nov 2005 13:58:26 +0000 |
parents | e8157fcb3114 |
children | c9b51268668f |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997, 1998, 1999, 2000 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Sam Lantinga slouken@libsdl.org */ #ifdef SAVE_RCSID static char rcsid = "@(#) $Id$"; #endif #include "SDL_vglvideo.h" /* Variables and functions exported by SDL_sysevents.c to other parts of the native video subsystem (SDL_sysvideo.c) */ extern int VGL_initkeymaps(int fd); extern int VGL_initmouse(int fd); extern void VGL_keyboardcallback(int scancode, int pressed); extern void VGL_InitOSKeymap(_THIS); extern void VGL_PumpEvents(_THIS); /* Mouse buttons */ #define MOUSE_LEFTBUTTON 0x01 #define MOUSE_MIDDLEBUTTON 0x02 #define MOUSE_RIGHTBUTTON 0x04 /* Scancodes */ #define SCANCODE_ESCAPE 1 #define SCANCODE_1 2 #define SCANCODE_2 3 #define SCANCODE_3 4 #define SCANCODE_4 5 #define SCANCODE_5 6 #define SCANCODE_6 7 #define SCANCODE_7 8 #define SCANCODE_8 9 #define SCANCODE_9 10 #define SCANCODE_0 11 #define SCANCODE_MINUS 12 #define SCANCODE_EQUAL 13 #define SCANCODE_BACKSPACE 14 #define SCANCODE_TAB 15 #define SCANCODE_Q 16 #define SCANCODE_W 17 #define SCANCODE_E 18 #define SCANCODE_R 19 #define SCANCODE_T 20 #define SCANCODE_Y 21 #define SCANCODE_U 22 #define SCANCODE_I 23 #define SCANCODE_O 24 #define SCANCODE_P 25 #define SCANCODE_BRACKET_LEFT 26 #define SCANCODE_BRACKET_RIGHT 27 #define SCANCODE_ENTER 28 #define SCANCODE_LEFTCONTROL 29 #define SCANCODE_A 30 #define SCANCODE_S 31 #define SCANCODE_D 32 #define SCANCODE_F 33 #define SCANCODE_G 34 #define SCANCODE_H 35 #define SCANCODE_J 36 #define SCANCODE_K 37 #define SCANCODE_L 38 #define SCANCODE_SEMICOLON 39 #define SCANCODE_APOSTROPHE 40 #define SCANCODE_GRAVE 41 #define SCANCODE_LEFTSHIFT 42 #define SCANCODE_BACKSLASH 43 #define SCANCODE_Z 44 #define SCANCODE_X 45 #define SCANCODE_C 46 #define SCANCODE_V 47 #define SCANCODE_B 48 #define SCANCODE_N 49 #define SCANCODE_M 50 #define SCANCODE_COMMA 51 #define SCANCODE_PERIOD 52 #define SCANCODE_SLASH 53 #define SCANCODE_RIGHTSHIFT 54 #define SCANCODE_KEYPADMULTIPLY 55 #define SCANCODE_LEFTALT 56 #define SCANCODE_SPACE 57 #define SCANCODE_CAPSLOCK 58 #define SCANCODE_F1 59 #define SCANCODE_F2 60 #define SCANCODE_F3 61 #define SCANCODE_F4 62 #define SCANCODE_F5 63 #define SCANCODE_F6 64 #define SCANCODE_F7 65 #define SCANCODE_F8 66 #define SCANCODE_F9 67 #define SCANCODE_F10 68 #define SCANCODE_NUMLOCK 69 #define SCANCODE_SCROLLLOCK 70 #define SCANCODE_KEYPAD7 71 #define SCANCODE_CURSORUPLEFT 71 #define SCANCODE_KEYPAD8 72 #define SCANCODE_CURSORUP 72 #define SCANCODE_KEYPAD9 73 #define SCANCODE_CURSORUPRIGHT 73 #define SCANCODE_KEYPADMINUS 74 #define SCANCODE_KEYPAD4 75 #define SCANCODE_CURSORLEFT 75 #define SCANCODE_KEYPAD5 76 #define SCANCODE_KEYPAD6 77 #define SCANCODE_CURSORRIGHT 77 #define SCANCODE_KEYPADPLUS 78 #define SCANCODE_KEYPAD1 79 #define SCANCODE_CURSORDOWNLEFT 79 #define SCANCODE_KEYPAD2 80 #define SCANCODE_CURSORDOWN 80 #define SCANCODE_KEYPAD3 81 #define SCANCODE_CURSORDOWNRIGHT 81 #define SCANCODE_KEYPAD0 82 #define SCANCODE_KEYPADPERIOD 83 #define SCANCODE_LESS 86 #define SCANCODE_F11 87 #define SCANCODE_F12 88 #define SCANCODE_KEYPADENTER 89 #define SCANCODE_RIGHTCONTROL 90 #define SCANCODE_CONTROL 107 #define SCANCODE_KEYPADDIVIDE 91 #define SCANCODE_PRINTSCREEN 92 #define SCANCODE_RIGHTALT 93 #define SCANCODE_BREAK 104 /* Beware: is 119 */ #define SCANCODE_BREAK_ALTERNATIVE 104 /* on some keyboards! */ #define SCANCODE_HOME 94 #define SCANCODE_CURSORBLOCKUP 95 /* Cursor key block */ #define SCANCODE_PAGEUP 96 #define SCANCODE_CURSORBLOCKLEFT 97 /* Cursor key block */ #define SCANCODE_CURSORBLOCKRIGHT 98 /* Cursor key block */ #define SCANCODE_END 99 #define SCANCODE_CURSORBLOCKDOWN 100 /* Cursor key block */ #define SCANCODE_PAGEDOWN 101 #define SCANCODE_INSERT 102 #define SCANCODE_REMOVE 103 #define SCANCODE_RIGHTWIN 106 #define SCANCODE_LEFTWIN 105