Mercurial > sdl-ios-xcode
diff src/events/SDL_mouse.c @ 943:715c32d8f26c
Date: Sun, 18 Jul 2004 00:22:07 -0400
From: "Philippe Anctil"
Subject: [SDL] odd mouse event generated on init
The mouse relative and absolute coordinates appear to be always equal for
the first mouse event.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 21 Aug 2004 12:38:50 +0000 |
| parents | b8d311d90021 |
| children | 28ac87a38c17 |
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--- a/src/events/SDL_mouse.c Sat Aug 21 12:27:02 2004 +0000 +++ b/src/events/SDL_mouse.c Sat Aug 21 12:38:50 2004 +0000 @@ -38,8 +38,8 @@ /* These are static for our mouse handling code */ -static Sint16 SDL_MouseX = 0; -static Sint16 SDL_MouseY = 0; +static Sint16 SDL_MouseX = -1; +static Sint16 SDL_MouseY = -1; static Sint16 SDL_DeltaX = 0; static Sint16 SDL_DeltaY = 0; static Uint8 SDL_ButtonState = 0; @@ -49,8 +49,8 @@ int SDL_MouseInit(void) { /* The mouse is at (0,0) */ - SDL_MouseX = 0; - SDL_MouseY = 0; + SDL_MouseX = -1; + SDL_MouseY = -1; SDL_DeltaX = 0; SDL_DeltaY = 0; SDL_ButtonState = 0; @@ -72,10 +72,20 @@ Uint8 SDL_GetMouseState (int *x, int *y) { - if ( x ) - *x = SDL_MouseX; - if ( y ) - *y = SDL_MouseY; + if ( x ) { + if ( SDL_MouseX < 0 ) { + *x = 0; + } else { + *x = SDL_MouseX; + } + } + if ( y ) { + if ( SDL_MouseY < 0 ) { + *y = 0; + } else { + *y = SDL_MouseY; + } + } return(SDL_ButtonState); } @@ -152,7 +162,7 @@ This prevents lots of extraneous large delta relative motion when the screen is windowed mode and the mouse is outside the window. */ - if ( ! relative ) { + if ( ! relative && SDL_MouseX >= 0 && SDL_MouseY >= 0 ) { Xrel = X-SDL_MouseX; Yrel = Y-SDL_MouseY; }