diff options
Diffstat (limited to 'compton.h')
| -rw-r--r-- | compton.h | 1256 |
1 files changed, 6 insertions, 1250 deletions
@@ -4,92 +4,20 @@ // Throw everything in here. -// === Options === - -// Debug options, enable them using -D in CFLAGS -// #define DEBUG_REPAINT 1 -// #define DEBUG_EVENTS 1 -// #define DEBUG_RESTACK 1 -// #define DEBUG_WINTYPE 1 -// #define DEBUG_CLIENTWIN 1 -// #define DEBUG_WINDATA 1 -// #define DEBUG_WINMATCH 1 -// #define DEBUG_REDIR 1 -// #define DEBUG_ALLOC_REG 1 -// #define DEBUG_FRAME 1 -// #define DEBUG_LEADER 1 -// #define MONITOR_REPAINT 1 - -// Whether to enable PCRE regular expression support in blacklists, enabled -// by default -// #define CONFIG_REGEX_PCRE 1 -// Whether to enable JIT support of libpcre. This may cause problems on PaX -// kernels. -// #define CONFIG_REGEX_PCRE_JIT 1 -// Whether to enable parsing of configuration files using libconfig -// #define CONFIG_LIBCONFIG 1 -// Whether to enable DRM VSync support -// #define CONFIG_VSYNC_DRM 1 -// Whether to enable OpenGL VSync support -// #define CONFIG_VSYNC_OPENGL 1 // === Includes === -// For some special functions -#define _GNU_SOURCE +#include "common.h" -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <inttypes.h> #include <math.h> #include <sys/select.h> -#include <sys/poll.h> -#include <sys/time.h> -#include <time.h> #include <limits.h> #include <unistd.h> #include <getopt.h> -#include <stdbool.h> #include <locale.h> -#include <assert.h> #include <fnmatch.h> #include <signal.h> -// libpcre -#ifdef CONFIG_REGEX_PCRE -#include <pcre.h> - -// For compatiblity with <libpcre-8.20 -#ifndef PCRE_STUDY_JIT_COMPILE -#define PCRE_STUDY_JIT_COMPILE 0 -#define LPCRE_FREE_STUDY(extra) pcre_free(extra) -#else -#define LPCRE_FREE_STUDY(extra) pcre_free_study(extra) -#endif - -#endif - -#ifdef CONFIG_LIBCONFIG -#include <libgen.h> -#include <libconfig.h> -#endif - -#ifdef CONFIG_DBUS -#include <dbus/dbus.h> -#endif - -#include <X11/Xlib.h> -#include <X11/Xutil.h> -#include <X11/Xatom.h> -#include <X11/extensions/Xcomposite.h> -#include <X11/extensions/Xdamage.h> -#include <X11/extensions/Xrender.h> -#include <X11/extensions/shape.h> -#include <X11/extensions/Xrandr.h> -#include <X11/extensions/Xdbe.h> -#include <time.h> - #ifdef CONFIG_VSYNC_DRM #include <fcntl.h> // We references some definitions in drm.h, which could also be found in @@ -100,776 +28,6 @@ #include <errno.h> #endif -#ifdef CONFIG_VSYNC_OPENGL -#include <GL/glx.h> -#endif - -// === Constants === -#if !(COMPOSITE_MAJOR > 0 || COMPOSITE_MINOR >= 2) -#error libXcomposite version unsupported -#endif - -#define ROUNDED_PERCENT 0.05 -#define ROUNDED_PIXELS 10 - -#define OPAQUE 0xffffffff -#define REGISTER_PROP "_NET_WM_CM_S" - -#define TIME_MS_MAX LONG_MAX -#define FADE_DELTA_TOLERANCE 0.2 -#define SWOPTI_TOLERANCE 3000 -#define TIMEOUT_RUN_TOLERANCE 0.2 -#define WIN_GET_LEADER_MAX_RECURSION 20 - -#define SEC_WRAP (15L * 24L * 60L * 60L) - -#define NS_PER_SEC 1000000000L -#define US_PER_SEC 1000000L -#define MS_PER_SEC 1000 - -#define XRFILTER_CONVOLUTION "convolution" -#define XRFILTER_GUASSIAN "gaussian" -#define XRFILTER_BINOMIAL "binomial" - -// Window flags - -// Window size is changed -#define WFLAG_SIZE_CHANGE 0x0001 -// Window size/position is changed -#define WFLAG_POS_CHANGE 0x0002 -// Window opacity / dim state changed -#define WFLAG_OPCT_CHANGE 0x0004 - -// === Macros === - -// #define MSTR_(s) #s -// #define MSTR(s) MSTR_(s) - -/// Print out an error message. -#define printf_err(format, ...) \ - fprintf(stderr, format "\n", ## __VA_ARGS__) - -/// Print out an error message with function name. -#define printf_errf(format, ...) \ - printf_err("%s" format, __func__, ## __VA_ARGS__) - -/// Print out an error message with function name, and quit with a -/// specific exit code. -#define printf_errfq(code, format, ...) { \ - printf_err("%s" format, __func__, ## __VA_ARGS__); \ - exit(code); \ -} - -/// Print out a debug message. -#define printf_dbg(format, ...) \ - printf(format, ## __VA_ARGS__); \ - fflush(stdout) - -/// Print out a debug message with function name. -#define printf_dbgf(format, ...) \ - printf_dbg("%s" format, __func__, ## __VA_ARGS__) - -// Use #s here to prevent macro expansion -/// Macro used for shortening some debugging code. -#define CASESTRRET(s) case s: return #s - -// === Types === - -typedef uint32_t opacity_t; -typedef long time_ms_t; - -typedef enum { - WINTYPE_UNKNOWN, - WINTYPE_DESKTOP, - WINTYPE_DOCK, - WINTYPE_TOOLBAR, - WINTYPE_MENU, - WINTYPE_UTILITY, - WINTYPE_SPLASH, - WINTYPE_DIALOG, - WINTYPE_NORMAL, - WINTYPE_DROPDOWN_MENU, - WINTYPE_POPUP_MENU, - WINTYPE_TOOLTIP, - WINTYPE_NOTIFY, - WINTYPE_COMBO, - WINTYPE_DND, - NUM_WINTYPES -} wintype_t; - -/// Enumeration type to represent switches. -typedef enum { - OFF, // false - ON, // true - UNSET -} switch_t; - -/// Enumeration type of window painting mode. -typedef enum { - WMODE_TRANS, - WMODE_SOLID, - WMODE_ARGB -} winmode_t; - -/// Structure representing needed window updates. -typedef struct { - bool shadow : 1; - bool fade : 1; - bool focus : 1; - bool invert_color : 1; -} win_upd_t; - -/// Structure representing Window property value. -typedef struct { - // All pointers have the same length, right? - // I wanted to use anonymous union but it's a GNU extension... - union { - unsigned char *p8; - short *p16; - long *p32; - } data; - unsigned long nitems; - Atom type; - int format; -} winprop_t; - -typedef struct _ignore { - struct _ignore *next; - unsigned long sequence; -} ignore_t; - -enum wincond_target { - CONDTGT_NAME, - CONDTGT_CLASSI, - CONDTGT_CLASSG, - CONDTGT_ROLE, -}; - -enum wincond_type { - CONDTP_EXACT, - CONDTP_ANYWHERE, - CONDTP_FROMSTART, - CONDTP_WILDCARD, - CONDTP_REGEX_PCRE, -}; - -#define CONDF_IGNORECASE 0x0001 - -typedef struct _wincond { - enum wincond_target target; - enum wincond_type type; - char *pattern; -#ifdef CONFIG_REGEX_PCRE - pcre *regex_pcre; - pcre_extra *regex_pcre_extra; -#endif - int16_t flags; - struct _wincond *next; -} wincond_t; - -/// VSync modes. -typedef enum { - VSYNC_NONE, - VSYNC_DRM, - VSYNC_OPENGL, -} vsync_t; - -#ifdef CONFIG_VSYNC_OPENGL -typedef int (*f_WaitVideoSync) (int, int, unsigned *); -typedef int (*f_GetVideoSync) (unsigned *); -#endif - -typedef struct { - int size; - double *data; -} conv; - -struct _timeout_t; - -struct _win; - -/// Structure representing all options. -typedef struct { - // === General === - char *display; - /// Whether to try to detect WM windows and mark them as focused. - bool mark_wmwin_focused; - /// Whether to mark override-redirect windows as focused. - bool mark_ovredir_focused; - /// Whether to fork to background. - bool fork_after_register; - /// Whether to detect rounded corners. - bool detect_rounded_corners; - /// Whether to paint on X Composite overlay window instead of root - /// window. - bool paint_on_overlay; - /// Whether to unredirect all windows if a full-screen opaque window - /// is detected. - bool unredir_if_possible; - /// Whether to enable D-Bus support. - bool dbus; - /// Path to log file. - char *logpath; - /// Whether to work under synchronized mode for debugging. - bool synchronize; - - // === VSync & software optimization === - /// User-specified refresh rate. - int refresh_rate; - /// Whether to enable refresh-rate-based software optimization. - bool sw_opti; - /// VSync method to use; - vsync_t vsync; - /// Whether to enable double buffer. - bool dbe; - /// Whether to do VSync aggressively. - bool vsync_aggressive; - - // === Shadow === - /// Enable/disable shadow for specific window types. - bool wintype_shadow[NUM_WINTYPES]; - /// Red, green and blue tone of the shadow. - double shadow_red, shadow_green, shadow_blue; - int shadow_radius; - int shadow_offset_x, shadow_offset_y; - double shadow_opacity; - bool clear_shadow; - /// Shadow blacklist. A linked list of conditions. - wincond_t *shadow_blacklist; - /// Whether bounding-shaped window should be ignored. - bool shadow_ignore_shaped; - /// Whether to respect _COMPTON_SHADOW. - bool respect_prop_shadow; - - // === Fading === - /// Enable/disable fading for specific window types. - bool wintype_fade[NUM_WINTYPES]; - /// How much to fade in in a single fading step. - opacity_t fade_in_step; - /// How much to fade out in a single fading step. - opacity_t fade_out_step; - /// Fading time delta. In milliseconds. - time_ms_t fade_delta; - /// Whether to disable fading on window open/close. - bool no_fading_openclose; - /// Fading blacklist. A linked list of conditions. - wincond_t *fade_blacklist; - - // === Opacity === - /// Default opacity for specific window types - double wintype_opacity[NUM_WINTYPES]; - /// Default opacity for inactive windows. - /// 32-bit integer with the format of _NET_WM_OPACITY. 0 stands for - /// not enabled, default. - opacity_t inactive_opacity; - /// Whether inactive_opacity overrides the opacity set by window - /// attributes. - bool inactive_opacity_override; - /// Frame opacity. Relative to window opacity, also affects shadow - /// opacity. - double frame_opacity; - /// Whether to detect _NET_WM_OPACITY on client windows. Used on window - /// managers that don't pass _NET_WM_OPACITY to frame windows. - bool detect_client_opacity; - /// Step for pregenerating alpha pictures. 0.01 - 1.0. - double alpha_step; - - // === Other window processing === - /// Whether to blur background of semi-transparent / ARGB windows. - bool blur_background; - /// Whether to blur background when the window frame is not opaque. - /// Implies blur_background. - bool blur_background_frame; - /// Whether to use fixed blur strength instead of adjusting according - /// to window opacity. - bool blur_background_fixed; - /// How much to dim an inactive window. 0.0 - 1.0, 0 to disable. - double inactive_dim; - /// Whether to use fixed inactive dim opacity, instead of deciding - /// based on window opacity. - bool inactive_dim_fixed; - /// Conditions of windows to have inverted colors. - wincond_t *invert_color_list; - - // === Focus related === - /// Consider windows of specific types to be always focused. - bool wintype_focus[NUM_WINTYPES]; - /// Whether to use EWMH _NET_ACTIVE_WINDOW to find active window. - bool use_ewmh_active_win; - /// A list of windows always to be considered focused. - wincond_t *focus_blacklist; - /// Whether to do window grouping with <code>WM_TRANSIENT_FOR</code>. - bool detect_transient; - /// Whether to do window grouping with <code>WM_CLIENT_LEADER</code>. - bool detect_client_leader; - - // === Calculated === - /// Whether compton needs to track focus changes. - bool track_focus; - /// Whether compton needs to track window name and class. - bool track_wdata; - /// Whether compton needs to track window leaders. - bool track_leader; -} options_t; - -/// Structure containing all necessary data for a compton session. -typedef struct { - // === Display related === - /// Display in use. - Display *dpy; - /// Default screen. - int scr; - /// Default visual. - Visual *vis; - /// Default depth. - int depth; - /// Root window. - Window root; - /// Height of root window. - int root_height; - /// Width of root window. - int root_width; - // Damage of root window. - // Damage root_damage; - /// X Composite overlay window. Used if <code>--paint-on-overlay</code>. - Window overlay; - /// Picture of the root window background. - Picture root_tile; - /// A region of the size of the screen. - XserverRegion screen_reg; - /// Picture of root window. Destination of painting in no-DBE painting - /// mode. - Picture root_picture; - /// A Picture acting as the painting target. - Picture tgt_picture; - /// Temporary buffer to paint to before sending to display. - Picture tgt_buffer; - /// DBE back buffer for root window. Used in DBE painting mode. - XdbeBackBuffer root_dbe; - /// Window ID of the window we register as a symbol. - Window reg_win; - - // === Operation related === - /// Program options. - options_t o; - /// File descriptors to check for reading. - fd_set *pfds_read; - /// File descriptors to check for writing. - fd_set *pfds_write; - /// File descriptors to check for exceptions. - fd_set *pfds_except; - /// Largest file descriptor in fd_set-s above. - int nfds_max; - /// Linked list of all timeouts. - struct _timeout_t *tmout_lst; - /// Whether we have received an event in this cycle. - bool ev_received; - /// Whether the program is idling. I.e. no fading, no potential window - /// changes. - bool idling; - /// Program start time. - struct timeval time_start; - /// The region needs to painted on next paint. - XserverRegion all_damage; - /// Whether all windows are currently redirected. - bool redirected; - /// Whether there's a highest full-screen window, and all windows could - /// be unredirected. - bool unredir_possible; - /// Pre-generated alpha pictures. - Picture *alpha_picts; - /// Whether all reg_ignore of windows should expire in this paint. - bool reg_ignore_expire; - /// Time of last fading. In milliseconds. - time_ms_t fade_time; - /// Head pointer of the error ignore linked list. - ignore_t *ignore_head; - /// Pointer to the <code>next</code> member of tail element of the error - /// ignore linked list. - ignore_t **ignore_tail; - /// Reset program after next paint. - bool reset; - - // === Expose event related === - /// Pointer to an array of <code>XRectangle</code>-s of exposed region. - XRectangle *expose_rects; - /// Number of <code>XRectangle</code>-s in <code>expose_rects</code>. - int size_expose; - /// Index of the next free slot in <code>expose_rects</code>. - int n_expose; - - // === Window related === - /// Linked list of all windows. - struct _win *list; - /// Pointer to <code>win</code> of current active window. Used by - /// EWMH <code>_NET_ACTIVE_WINDOW</code> focus detection. In theory, - /// it's more reliable to store the window ID directly here, just in - /// case the WM does something extraordinary, but caching the pointer - /// means another layer of complexity. - struct _win *active_win; - /// Window ID of leader window of currently active window. Used for - /// subsidiary window detection. - Window active_leader; - - // === Shadow/dimming related === - /// 1x1 black Picture. - Picture black_picture; - /// 1x1 Picture of the shadow color. - Picture cshadow_picture; - /// 1x1 white Picture. - Picture white_picture; - /// Gaussian map of shadow. - conv *gaussian_map; - // for shadow precomputation - /// Shadow depth on one side. - int cgsize; - /// Pre-computed color table for corners of shadow. - unsigned char *shadow_corner; - /// Pre-computed color table for a side of shadow. - unsigned char *shadow_top; - - // === Software-optimization-related === - /// Currently used refresh rate. - short refresh_rate; - /// Interval between refresh in nanoseconds. - long refresh_intv; - /// Nanosecond offset of the first painting. - long paint_tm_offset; - - #ifdef CONFIG_VSYNC_DRM - // === DRM VSync related === - /// File descriptor of DRI device file. Used for DRM VSync. - int drm_fd; - #endif - - #ifdef CONFIG_VSYNC_OPENGL - // === OpenGL VSync related === - /// GLX context. - GLXContext glx_context; - /// Pointer to glXGetVideoSyncSGI function. - f_GetVideoSync glx_get_video_sync; - /// Pointer to glXWaitVideoSyncSGI function. - f_WaitVideoSync glx_wait_video_sync; - #endif - - // === X extension related === - /// Event base number for X Fixes extension. - int xfixes_event; - /// Error base number for X Fixes extension. - int xfixes_error; - /// Event base number for X Damage extension. - int damage_event; - /// Error base number for X Damage extension. - int damage_error; - /// Event base number for X Render extension. - int render_event; - /// Error base number for X Render extension. - int render_error; - /// Event base number for X Composite extension. - int composite_event; - /// Error base number for X Composite extension. - int composite_error; - /// Major opcode for X Composite extension. - int composite_opcode; - /// Whether X Composite NameWindowPixmap is available. Aka if X - /// Composite version >= 0.2. - bool has_name_pixmap; - /// Whether X Shape extension exists. - bool shape_exists; - /// Event base number for X Shape extension. - int shape_event; - /// Error base number for X Shape extension. - int shape_error; - /// Whether X RandR extension exists. - bool randr_exists; - /// Event base number for X RandR extension. - int randr_event; - /// Error base number for X RandR extension. - int randr_error; - #ifdef CONFIG_VSYNC_OPENGL - /// Whether X GLX extension exists. - bool glx_exists; - /// Event base number for X GLX extension. - int glx_event; - /// Error base number for X GLX extension. - int glx_error; - #endif - /// Whether X DBE extension exists. - bool dbe_exists; - /// Whether X Render convolution filter exists. - bool xrfilter_convolution_exists; - - // === Atoms === - /// Atom of property <code>_NET_WM_OPACITY</code>. - Atom atom_opacity; - /// Atom of <code>_NET_FRAME_EXTENTS</code>. - Atom atom_frame_extents; - /// Property atom to identify top-level frame window. Currently - /// <code>WM_STATE</code>. - Atom atom_client; - /// Atom of property <code>WM_NAME</code>. - Atom atom_name; - /// Atom of property <code>_NET_WM_NAME</code>. - Atom atom_name_ewmh; - /// Atom of property <code>WM_CLASS</code>. - Atom atom_class; - /// Atom of property <code>WM_WINDOW_ROLE</code>. - Atom atom_role; - /// Atom of property <code>WM_TRANSIENT_FOR</code>. - Atom atom_transient; - /// Atom of property <code>WM_CLIENT_LEADER</code>. - Atom atom_client_leader; - /// Atom of property <code>_NET_ACTIVE_WINDOW</code>. - Atom atom_ewmh_active_win; - /// Atom of property <code>_COMPTON_SHADOW</code>. - Atom atom_compton_shadow; - /// Atom of property <code>_NET_WM_WINDOW_TYPE</code>. - Atom atom_win_type; - /// Array of atoms of all possible window types. - Atom atoms_wintypes[NUM_WINTYPES]; -} session_t; - -/// Structure representing a top-level window compton manages. -typedef struct _win { - /// Pointer to the next structure in the linked list. - struct _win *next; - /// Pointer to the next higher window to paint. - struct _win *prev_trans; - - // Core members - /// ID of the top-level frame window. - Window id; - /// Window attributes. - XWindowAttributes a; - /// Window painting mode. - winmode_t mode; - /// Whether the window has been damaged at least once. - bool damaged; - /// Damage of the window. - Damage damage; - /// NameWindowPixmap of the window. - Pixmap pixmap; - /// Picture of the window. - Picture picture; - /// Bounding shape of the window. - XserverRegion border_size; - /// Region of the whole window, shadow region included. - XserverRegion extents; - /// Window flags. Definitions above. - int_fast16_t flags; - /// Whether there's a pending <code>ConfigureNotify</code> happening - /// when the window is unmapped. - bool need_configure; - /// Queued <code>ConfigureNotify</code> when the window is unmapped. - XConfigureEvent queue_configure; - /// Region to be ignored when painting. Basically the region where - /// higher opaque windows will paint upon. Depends on window frame - /// opacity state, window geometry, window mapped/unmapped state, - /// window mode, of this and all higher windows. - XserverRegion reg_ignore; - /// Cached width/height of the window including border. - int widthb, heightb; - /// Whether the window has been destroyed. - bool destroyed; - /// Whether the window is bounding-shaped. - bool bounding_shaped; - /// Whether the window just have rounded corners. - bool rounded_corners; - /// Whether this window is to be painted. - bool to_paint; - /// Whether this window is in open/close state. - bool in_openclose; - - // Client window related members - /// ID of the top-level client window of the window. - Window client_win; - /// Type of the window. - wintype_t window_type; - /// Whether it looks like a WM window. We consider a window WM window if - /// it does not have a decedent with WM_STATE and it is not override- - /// redirected itself. - bool wmwin; - /// Leader window ID of the window. - Window leader; - /// Cached topmost window ID of the window. - Window cache_leader; - - // Focus-related members - /// Whether the window is to be considered focused. - bool focused; - /// Override value of window focus state. Set by D-Bus method calls. - switch_t focused_force; - /// Whether the window is actually focused. - bool focused_real; - - // Blacklist related members - /// Name of the window. - char *name; - /// Window instance class of the window. - char *class_instance; - /// Window general class of the window. - char *class_general; - /// <code>WM_WINDOW_ROLE</code> value of the window. - char *role; - wincond_t *cache_sblst; - wincond_t *cache_fblst; - wincond_t *cache_fcblst; - wincond_t *cache_ivclst; - - // Opacity-related members - /// Current window opacity. - opacity_t opacity; - /// Target window opacity. - opacity_t opacity_tgt; - /// Cached value of opacity window attribute. - opacity_t opacity_prop; - /// Cached value of opacity window attribute on client window. For - /// broken window managers not transferring client window's - /// _NET_WM_OPACITY value - opacity_t opacity_prop_client; - /// Alpha mask Picture to render window with opacity. - Picture alpha_pict; - - // Fading-related members - /// Do not fade if it's false. Change on window type change. - /// Used by fading blacklist in the future. - bool fade; - /// Callback to be called after fading completed. - void (*fade_callback) (session_t *ps, struct _win *w); - - // Frame-opacity-related members - /// Current window frame opacity. Affected by window opacity. - double frame_opacity; - /// Alpha mask Picture to render window frame with opacity. - Picture frame_alpha_pict; - /// Frame widths. Determined by client window attributes. - unsigned int left_width, right_width, top_width, bottom_width; - - // Shadow-related members - /// Whether a window has shadow. Calculated. - bool shadow; - /// Override value of window shadow state. Set by D-Bus method calls. - switch_t shadow_force; - /// Opacity of the shadow. Affected by window opacity and frame opacity. - double shadow_opacity; - /// X offset of shadow. Affected by commandline argument. - int shadow_dx; - /// Y offset of shadow. Affected by commandline argument. - int shadow_dy; - /// Width of shadow. Affected by window size and commandline argument. - int shadow_width; - /// Height of shadow. Affected by window size and commandline argument. - int shadow_height; - /// Picture to render shadow. Affected by window size. - Picture shadow_pict; - /// Alpha mask Picture to render shadow. Affected by shadow opacity. - Picture shadow_alpha_pict; - /// The value of _COMPTON_SHADOW attribute of the window. Below 0 for - /// none. - long prop_shadow; - - // Dim-related members - /// Whether the window is to be dimmed. - bool dim; - /// Picture for dimming. Affected by user-specified inactive dim - /// opacity and window opacity. - Picture dim_alpha_pict; - - /// Whether to invert window color. - bool invert_color; - /// Override value of window color inversion state. Set by D-Bus method - /// calls. - switch_t invert_color_force; -} win; - -/// Temporary structure used for communication between -/// <code>get_cfg()</code> and <code>parse_config()</code>. -struct options_tmp { - bool no_dock_shadow; - bool no_dnd_shadow; - double menu_opacity; -}; - -/// Structure for a recorded timeout. -typedef struct _timeout_t { - bool enabled; - void *data; - bool (*callback)(session_t *ps, struct _timeout_t *ptmout); - time_ms_t interval; - time_ms_t firstrun; - time_ms_t lastrun; - struct _timeout_t *next; -} timeout_t; - -/// Enumeration for window event hints. -typedef enum { - WIN_EVMODE_UNKNOWN, - WIN_EVMODE_FRAME, - WIN_EVMODE_CLIENT -} win_evmode_t; - -extern const char *WINTYPES[NUM_WINTYPES]; -extern session_t *ps_g; - -// == Debugging code == -static void -print_timestamp(session_t *ps); - -#ifdef DEBUG_ALLOC_REG - -#include <execinfo.h> -#define BACKTRACE_SIZE 5 - -/** - * Print current backtrace, excluding the first two items. - * - * Stolen from glibc manual. - */ -static inline void -print_backtrace(void) { - void *array[BACKTRACE_SIZE]; - size_t size; - char **strings; - - size = backtrace(array, BACKTRACE_SIZE); - strings = backtrace_symbols(array, size); - - for (size_t i = 2; i < size; i++) - printf ("%s\n", strings[i]); - - free(strings); -} - -/** - * Wrapper of <code>XFixesCreateRegion</code>, for debugging. - */ -static inline XserverRegion -XFixesCreateRegion_(Display *dpy, XRectangle *p, int n, - const char *func, int line) { - XserverRegion reg = XFixesCreateRegion(dpy, p, n); - print_timestamp(ps_g); - printf("%#010lx: XFixesCreateRegion() in %s():%d\n", reg, func, line); - print_backtrace(); - fflush(stdout); - return reg; -} - -/** - * Wrapper of <code>XFixesDestroyRegion</code>, for debugging. - */ -static inline void -XFixesDestroyRegion_(Display *dpy, XserverRegion reg, - const char *func, int line) { - XFixesDestroyRegion(dpy, reg); - print_timestamp(ps_g); - printf("%#010lx: XFixesDestroyRegion() in %s():%d\n", reg, func, line); - fflush(stdout); -} - -#define XFixesCreateRegion(dpy, p, n) XFixesCreateRegion_(dpy, p, n, __func__, __LINE__) -#define XFixesDestroyRegion(dpy, reg) XFixesDestroyRegion_(dpy, reg, __func__, __LINE__) -#endif - // == Functions == // inline functions must be made static to compile correctly under clang: @@ -953,111 +111,6 @@ wintype_arr_enable_unset(switch_t arr[]) { } /** - * Allocate the space and copy a string. - */ -static inline char * __attribute__((const)) -mstrcpy(const char *src) { - char *str = malloc(sizeof(char) * (strlen(src) + 1)); - - strcpy(str, src); - - return str; -} - -/** - * Allocate the space and join two strings. - */ -static inline char * __attribute__((const)) -mstrjoin(const char *src1, const char *src2) { - char *str = malloc(sizeof(char) * (strlen(src1) + strlen(src2) + 1)); - - strcpy(str, src1); - strcat(str, src2); - - return str; -} - -/** - * Allocate the space and join two strings; - */ -static inline char * __attribute__((const)) -mstrjoin3(const char *src1, const char *src2, const char *src3) { - char *str = malloc(sizeof(char) * (strlen(src1) + strlen(src2) - + strlen(src3) + 1)); - - strcpy(str, src1); - strcat(str, src2); - strcat(str, src3); - - return str; -} - -/** - * Normalize an int value to a specific range. - * - * @param i int value to normalize - * @param min minimal value - * @param max maximum value - * @return normalized value - */ -static inline int __attribute__((const)) -normalize_i_range(int i, int min, int max) { - if (i > max) return max; - if (i < min) return min; - return i; -} - -/** - * Select the larger integer of two. - */ -static inline int __attribute__((const)) -max_i(int a, int b) { - return (a > b ? a : b); -} - -/** - * Select the smaller integer of two. - */ -static inline int __attribute__((const)) -min_i(int a, int b) { - return (a > b ? b : a); -} - -/** - * Select the smaller long integer of two. - */ -static inline long __attribute__((const)) -min_l(long a, long b) { - return (a > b ? b : a); -} - -/** - * Normalize a double value to a specific range. - * - * @param d double value to normalize - * @param min minimal value - * @param max maximum value - * @return normalized value - */ -static inline double __attribute__((const)) -normalize_d_range(double d, double min, double max) { - if (d > max) return max; - if (d < min) return min; - return d; -} - -/** - * Normalize a double value to 0.\ 0 - 1.\ 0. - * - * @param d double value to normalize - * @return normalized value - */ -static inline double __attribute__((const)) -normalize_d(double d) { - return normalize_d_range(d, 0.0, 1.0); -} - -/** * Check if a window ID exists in an array of window IDs. * * @param arr the array of window IDs @@ -1074,160 +127,6 @@ array_wid_exists(const Window *arr, int count, Window wid) { return false; } - -/** - * Return whether a struct timeval value is empty. - */ -static inline bool -timeval_isempty(struct timeval *ptv) { - if (!ptv) - return false; - - return ptv->tv_sec <= 0 && ptv->tv_usec <= 0; -} - -/** - * Compare a struct timeval with a time in milliseconds. - * - * @return > 0 if ptv > ms, 0 if ptv == 0, -1 if ptv < ms - */ -static inline int -timeval_ms_cmp(struct timeval *ptv, time_ms_t ms) { - assert(ptv); - - // We use those if statement instead of a - expression because of possible - // truncation problem from long to int. - { - long sec = ms / MS_PER_SEC; - if (ptv->tv_sec > sec) - return 1; - if (ptv->tv_sec < sec) - return -1; - } - - { - long usec = ms % MS_PER_SEC * (US_PER_SEC / MS_PER_SEC); - if (ptv->tv_usec > usec) - return 1; - if (ptv->tv_usec < usec) - return -1; - } - - return 0; -} - -/* - * Subtracting two struct timeval values. - * - * Taken from glibc manual. - * - * Subtract the `struct timeval' values X and Y, - * storing the result in RESULT. - * Return 1 if the difference is negative, otherwise 0. */ -static int -timeval_subtract(struct timeval *result, - struct timeval *x, - struct timeval *y) { - /* Perform the carry for the later subtraction by updating y. */ - if (x->tv_usec < y->tv_usec) { - long nsec = (y->tv_usec - x->tv_usec) / 1000000 + 1; - y->tv_usec -= 1000000 * nsec; - y->tv_sec += nsec; - } - - if (x->tv_usec - y->tv_usec > 1000000) { - long nsec = (x->tv_usec - y->tv_usec) / 1000000; - y->tv_usec += 1000000 * nsec; - y->tv_sec -= nsec; - } - - /* Compute the time remaining to wait. - tv_usec is certainly positive. */ - result->tv_sec = x->tv_sec - y->tv_sec; - result->tv_usec = x->tv_usec - y->tv_usec; - - /* Return 1 if result is negative. */ - return x->tv_sec < y->tv_sec; -} - -/* - * Subtracting two struct timespec values. - * - * Taken from glibc manual. - * - * Subtract the `struct timespec' values X and Y, - * storing the result in RESULT. - * Return 1 if the difference is negative, otherwise 0. - */ -static inline int -timespec_subtract(struct timespec *result, - struct timespec *x, - struct timespec *y) { - /* Perform the carry for the later subtraction by updating y. */ - if (x->tv_nsec < y->tv_nsec) { - long nsec = (y->tv_nsec - x->tv_nsec) / NS_PER_SEC + 1; - y->tv_nsec -= NS_PER_SEC * nsec; - y->tv_sec += nsec; - } - - if (x->tv_nsec - y->tv_nsec > NS_PER_SEC) { - long nsec = (x->tv_nsec - y->tv_nsec) / NS_PER_SEC; - y->tv_nsec += NS_PER_SEC * nsec; - y->tv_sec -= nsec; - } - - /* Compute the time remaining to wait. - tv_nsec is certainly positive. */ - result->tv_sec = x->tv_sec - y->tv_sec; - result->tv_nsec = x->tv_nsec - y->tv_nsec; - - /* Return 1 if result is negative. */ - return x->tv_sec < y->tv_sec; -} - -/** - * Get current time in struct timeval. - */ -static inline struct timeval __attribute__((const)) -get_time_timeval(void) { - struct timeval tv = { 0, 0 }; - - gettimeofday(&tv, NULL); - - // Return a time of all 0 if the call fails - return tv; -} - -/** - * Get current time in struct timespec. - * - * Note its starting time is unspecified. - */ -static inline struct timespec __attribute__((const)) -get_time_timespec(void) { - struct timespec tm = { 0, 0 }; - - clock_gettime(CLOCK_MONOTONIC, &tm); - - // Return a time of all 0 if the call fails - return tm; -} - -/** - * Print time passed since program starts execution. - * - * Used for debugging. - */ -static void -print_timestamp(session_t *ps) { - struct timeval tm, diff; - - if (gettimeofday(&tm, NULL)) return; - - timeval_subtract(&diff, &tm, &ps->time_start); - printf("[ %5ld.%02ld ] ", diff.tv_sec, diff.tv_usec / 10000); -} - /** * Destroy a <code>XserverRegion</code>. */ @@ -1347,95 +246,6 @@ ms_to_tv(int timeout) { }; } -/** - * Add a file descriptor to a select() fd_set. - */ -static inline bool -fds_insert_select(fd_set **ppfds, int fd) { - assert(fd <= FD_SETSIZE); - - if (!*ppfds) { - if ((*ppfds = malloc(sizeof(fd_set)))) { - FD_ZERO(*ppfds); - } - else { - fprintf(stderr, "Failed to allocate memory for select() fdset.\n"); - exit(1); - } - } - - FD_SET(fd, *ppfds); - - return true; -} - -/** - * Add a new file descriptor to wait for. - */ -static inline bool -fds_insert(session_t *ps, int fd, short events) { - bool result = true; - - ps->nfds_max = max_i(fd + 1, ps->nfds_max); - - if (POLLIN & events) - result = fds_insert_select(&ps->pfds_read, fd) && result; - if (POLLOUT & events) - result = fds_insert_select(&ps->pfds_write, fd) && result; - if (POLLPRI & events) - result = fds_insert_select(&ps->pfds_except, fd) && result; - - return result; -} - -/** - * Delete a file descriptor to wait for. - */ -static inline void -fds_drop(session_t *ps, int fd, short events) { - // Drop fd from respective fd_set-s - if (POLLIN & events) - FD_CLR(fd, ps->pfds_read); - if (POLLOUT & events) - FD_CLR(fd, ps->pfds_write); - if (POLLPRI & events) - FD_CLR(fd, ps->pfds_except); -} - -#define CPY_FDS(key) \ - fd_set * key = NULL; \ - if (ps->key) { \ - key = malloc(sizeof(fd_set)); \ - memcpy(key, ps->key, sizeof(fd_set)); \ - if (!key) { \ - fprintf(stderr, "Failed to allocate memory for copying select() fdset.\n"); \ - exit(1); \ - } \ - } \ - -/** - * Poll for changes. - * - * poll() is much better than select(), but ppoll() does not exist on - * *BSD. - */ -static inline int -fds_poll(session_t *ps, struct timeval *ptv) { - // Copy fds - CPY_FDS(pfds_read); - CPY_FDS(pfds_write); - CPY_FDS(pfds_except); - - int ret = select(ps->nfds_max, pfds_read, pfds_write, pfds_except, ptv); - - free(pfds_read); - free(pfds_write); - free(pfds_except); - - return ret; -} -#undef CPY_FDS - static void run_fade(session_t *ps, win *w, unsigned steps); @@ -1723,43 +533,6 @@ static long determine_evmask(session_t *ps, Window wid, win_evmode_t mode); /** - * Find a window from window id in window linked list of the session. - */ -static inline win * -find_win(session_t *ps, Window id) { - if (!id) - return NULL; - - win *w; - - for (w = ps->list; w; w = w->next) { - if (w->id == id && !w->destroyed) - return w; - } - - return 0; -} - -/** - * Find out the WM frame of a client window using existing data. - * - * @param w window ID - * @return struct _win object of the found window, NULL if not found - */ -static inline win * -find_toplevel(session_t *ps, Window id) { - if (!id) - return NULL; - - for (win *w = ps->list; w; w = w->next) { - if (w->client_win == id && !w->destroyed) - return w; - } - - return NULL; -} - -/** * Clear leader cache of all windows. */ static void @@ -2113,18 +886,6 @@ get_screen_region(session_t *ps) { } /** - * Copies a region - */ -inline static XserverRegion -copy_region(const session_t *ps, XserverRegion oldregion) { - XserverRegion region = XFixesCreateRegion(ps->dpy, NULL, 0); - - XFixesCopyRegion(ps->dpy, region, oldregion); - - return region; -} - -/** * Dump a region. */ static inline void @@ -2281,19 +1042,14 @@ redir_start(session_t *ps); static void redir_stop(session_t *ps); +static inline time_ms_t +timeout_get_newrun(const timeout_t *ptmout) { + return ptmout->firstrun + (max_l((ptmout->lastrun + (long) (ptmout->interval * TIMEOUT_RUN_TOLERANCE) - ptmout->firstrun) / ptmout->interval, (ptmout->lastrun + ptmout->interval * (1 - TIMEOUT_RUN_TOLERANCE) - ptmout->firstrun) / ptmout->interval) + 1) * ptmout->interval; +} + static time_ms_t timeout_get_poll_time(session_t *ps); -static timeout_t * -timeout_insert(session_t *ps, time_ms_t interval, - bool (*callback)(session_t *ps, timeout_t *ptmout), void *data); - -static void -timeout_invoke(session_t *ps, timeout_t *ptmout); - -static bool -timeout_drop(session_t *ps, timeout_t *prm); - static void timeout_clear(session_t *ps); |