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OS X: Prevent DF window from receiving input when not focused 

This partially fixes DFHack/stonesense#32, in the sense that input
to Stonesense is no longer received by DF, but does not cause
Stonesense to receive input either.
develop
lethosor 2015-07-17 13:49:17 -04:00
parent 2afc1c6d3f
commit 797e9b4485
1 changed files with 12 additions and 2 deletions
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14
library/Hooks-darwin.cpp
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@ -71,6 +71,16 @@ DYLD_INTERPOSE(DFH_SDL_NumJoysticks,SDL_NumJoysticks);
/*******************************************************************************
* SDL part starts here *
*******************************************************************************/
#define SDL_APPMOUSEFOCUS 0x01 /**< The app has mouse coverage */
#define SDL_APPINPUTFOCUS 0x02 /**< The app has input focus */
#define SDL_APPACTIVE 0x04 /**< The application is active */
static uint8_t (*_SDL_GetAppState)(void) = 0;
DFhackCExport uint8_t SDL_GetAppState(void)
{
return _SDL_GetAppState();
}
// hook - called for each game tick (or more often)
DFhackCExport int DFH_SDL_NumJoysticks(void)
{
@ -95,7 +105,7 @@ DFhackCExport int DFH_SDL_PollEvent(SDL::Event* event)
pollevent_again:
// if SDL returns 0 here, it means there are no more events. return 0
int orig_return = SDL_PollEvent(event);
if(!orig_return)
if(!orig_return || !(SDL_GetAppState() & SDL_APPINPUTFOCUS))
return 0;
// otherwise we have an event to filter
else if( event != 0 )
@ -265,7 +275,6 @@ DFhackCExport int SDL_SemPost(vPtr sem)
return _SDL_SemPost(sem);
}
// hook - called at program start, initialize some stuffs we'll use later
static int (*_SDL_Init)(uint32_t flags) = 0;
DFhackCExport int DFH_SDL_Init(uint32_t flags)
@ -297,6 +306,7 @@ DFhackCExport int DFH_SDL_Init(uint32_t flags)
bind(SDL_SemWait);
bind(SDL_SemPost);
bind(SDL_GetAppState);
#undef bind
fprintf(stderr, "dfhack: saved real SDL functions\n");