diff options
| -rw-r--r-- | jsmond.c | 50 |
1 files changed, 38 insertions, 12 deletions
@@ -38,12 +38,15 @@ /* command for -x */ #define X_COMMAND "xscreensaver-command -deactivate" +/* default "-i 250ms" */ +#define DEFAULT_INTERVAL 250 + typedef enum { fm_auto_keycode, fm_keycode, fm_button, fm_motion, fm_cmd } fake_mode_t; /* user options */ -int interval = 250; /* -i (always in millisec) */ +int interval = DEFAULT_INTERVAL; /* -i (always in millisec) */ int debug = 0; /* -D */ int keycode = -1; /* -k */ int button = -1; /* -b */ @@ -287,32 +290,55 @@ int get_joystick_activity(void) { return active; } +/* supposedly we could use the X window property _NET_WINDOW_FULLSCREEN + to detect a fullscreen window, but not everything actually sets that. + so a fullscreen window is defined here as: + - visible + - is the size of the root window + - and has input focus. +*/ int have_fullscreen_window(void) { Window w; XWindowAttributes w_attrs, root_attrs; int revert_to; - /* TODO: error check? */ - XGetInputFocus(xdisp, &w, &revert_to); + /* man page doesn't document the actual + return value, it says "int", is it really a Status? */ + if(!XGetInputFocus(xdisp, &w, &revert_to)) { + if(debug) fprintf(stderr, "XGetInputFocus() failed\n"); + return 0; + } + + /* no window has focus (not an error) */ + if(w == None) + return 0; + + /* TODO: under what conditions does this fail? if it does fail once, + will it ever succeed again? - if(w != None) { - XGetWindowAttributes(xdisp, DefaultRootWindow(xdisp), &root_attrs); - XGetWindowAttributes(xdisp, w, &w_attrs); + Hopefully, using w_attrs.root will do the right thing in multi-screen + environments. I can't easily test it though. */ + if( XGetWindowAttributes(xdisp, w, &w_attrs) && + XGetWindowAttributes(xdisp, w_attrs.root, &root_attrs) ) + { - /* - fprintf(stderr, "window id %d has focus, geometry %dx%d\n", - (int)w, w_attrs.width, w_attrs.height); - */ + if(debug) + fprintf(stderr, + "window id 0x%x (root 0x%x) has focus, map_state %d, geometry %dx%d\n", + (int)w, (int)w_attrs.root, w_attrs.map_state, w_attrs.width, w_attrs.height); if( (w_attrs.map_state == IsViewable) && - (root_attrs.width == w_attrs.width) && - (root_attrs.height == w_attrs.height) ) + (root_attrs.width == w_attrs.width) && + (root_attrs.height == w_attrs.height) ) { if(debug) fprintf(stderr, "window id 0x%x has input focus and looks fullscreen (%dx%d)\n", (int)w, w_attrs.width, w_attrs.height); return 1; } + } else if(debug) { + if(debug) fprintf(stderr, "XGetWindowAttributes() failed\n"); + return 0; } return 0; |