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tdebase/twin/compton-tde/common.h

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/*
* Compton - a compositor for X11
*
* Based on `xcompmgr` - Copyright (c) 2003, Keith Packard
*
* Copyright (c) 2011-2013, Christopher Jeffrey
* Copyright (c) 2014 Timothy Pearson <kb9vqf@pearsoncomputing.net>
* See LICENSE for more information.
*
*/
#ifndef COMPTON_COMMON_H
#define COMPTON_COMMON_H
#include "compton_config.h"
// === Options ===
// Debug options, enable them using -D in CFLAGS
// #define DEBUG_BACKTRACE 1
// #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 DEBUG_C2 1
// #define DEBUG_GLX 1
// #define DEBUG_GLX_GLSL 1
// #define DEBUG_GLX_ERR 1
// #define DEBUG_GLX_MARK 1
// #define DEBUG_GLX_PAINTREG 1
// #define MONITOR_REPAINT 1
// #define DEBUG_FADE 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 we are using a legacy version of libconfig (1.3.x).
// #define CONFIG_LIBCONFIG_LEGACY 1
// Whether to enable DRM VSync support
// #define CONFIG_VSYNC_DRM 1
// Whether to enable OpenGL support
// #define CONFIG_VSYNC_OPENGL 1
// Whether to enable GLX GLSL support
// #define CONFIG_VSYNC_OPENGL_GLSL 1
// Whether to enable GLX FBO support
// #define CONFIG_VSYNC_OPENGL_FBO 1
// Whether to enable DBus support with libdbus.
// #define CONFIG_DBUS 1
// Whether to enable condition support.
// #define CONFIG_C2 1
// Whether to enable X Sync support.
// #define CONFIG_XSYNC 1
// Whether to enable GLX Sync support.
// #define CONFIG_GLX_SYNC 1
// TDE specific options
// #define USE_ENV_HOME 1
#define WRITE_PID_FILE 1
#define _TDE_COMP_MGR_VERSION_ 3.00
#if defined(HAVE_LIBCONFIG_OLD_API)
#define CONFIG_LIBCONFIG_LEGACY 1
#endif
#if !defined(CONFIG_C2) && defined(DEBUG_C2)
#error Cannot enable c2 debugging without c2 support.
#endif
#if (!defined(CONFIG_XSYNC) || !defined(CONFIG_VSYNC_OPENGL)) && defined(CONFIG_GLX_SYNC)
#error Cannot enable GL sync without X Sync / OpenGL support.
#endif
#ifndef COMPTON_VERSION
#define COMPTON_VERSION "unknown"
#endif
#if defined(DEBUG_ALLOC_REG)
#define DEBUG_BACKTRACE 1
#endif
// === Includes ===
// For some special functions
#define _GNU_SOURCE
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <sys/poll.h>
#include <assert.h>
#include <time.h>
#include <ctype.h>
#include <sys/time.h>
#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/Xdbe.h>
#ifdef CONFIG_XSYNC
#include <X11/extensions/sync.h>
#endif
#ifdef CONFIG_XRANDR
#include <X11/extensions/Xrandr.h>
#endif
#ifdef CONFIG_XINERAMA
#include <X11/extensions/Xinerama.h>
#endif
// Workarounds for missing definitions in very old versions of X headers,
// thanks to consolers for reporting
#ifndef PictOpDifference
#define PictOpDifference 0x39
#endif
// libconfig
#ifdef CONFIG_LIBCONFIG
#include <libgen.h>
#include <libconfig.h>
#endif
// libdbus
#ifdef CONFIG_DBUS
#include <dbus/dbus.h>
#endif
// libGL
#ifdef CONFIG_VSYNC_OPENGL
#if defined(CONFIG_VSYNC_OPENGL_GLSL) || defined(CONFIG_VSYNC_OPENGL_FBO)
#define GL_GLEXT_PROTOTYPES
#endif
#include <GL/glx.h>
// Workarounds for missing definitions in some broken GL drivers, thanks to
// douglasp and consolers for reporting
#ifndef GL_TEXTURE_RECTANGLE
#define GL_TEXTURE_RECTANGLE 0x84F5
#endif
#ifndef GLX_BACK_BUFFER_AGE_EXT
#define GLX_BACK_BUFFER_AGE_EXT 0x20F4
#endif
// === Macros ===
#define MSTR_(s) #s
#define MSTR(s) MSTR_(s)
/// @brief Wrapper for gcc branch prediction builtin, for likely branch.
#define likely(x) __builtin_expect(!!(x), 1)
/// @brief Wrapper for gcc branch prediction builtin, for unlikely branch.
#define unlikely(x) __builtin_expect(!!(x), 0)
/// 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
// X resource checker
#ifdef DEBUG_XRC
#include "xrescheck.h"
#endif
// === Constants ===
#if !(COMPOSITE_MAJOR > 0 || COMPOSITE_MINOR >= 2)
#error libXcomposite version unsupported
#endif
/// @brief Length of generic buffers.
#define BUF_LEN 80
#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 0.05
#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_GAUSSIAN "gaussian"
#define XRFILTER_BINOMIAL "binomial"
/// @brief Maximum OpenGL FBConfig depth.
#define OPENGL_MAX_DEPTH 32
/// @brief Maximum OpenGL buffer age.
#define CGLX_MAX_BUFFER_AGE 5
/// @brief Maximum passes for blur.
#define MAX_BLUR_PASS 5
// 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
// === 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;
/// Structure representing a X geometry.
typedef struct {
int wid;
int hei;
int x;
int y;
} geometry_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
/// VSync modes.
typedef enum {
VSYNC_NONE,
VSYNC_DRM,
VSYNC_OPENGL,
VSYNC_OPENGL_OML,
VSYNC_OPENGL_SWC,
VSYNC_OPENGL_MSWC,
NUM_VSYNC,
} vsync_t;
/// @brief Possible backends of compton.
enum backend {
BKEND_XRENDER,
BKEND_GLX,
BKEND_XR_GLX_HYBRID,
NUM_BKEND,
};
/// @brief Possible swap methods.
enum {
SWAPM_BUFFER_AGE = -1,
SWAPM_UNDEFINED = 0,
SWAPM_COPY = 1,
SWAPM_EXCHANGE = 2,
};
typedef struct _glx_texture glx_texture_t;
#ifdef CONFIG_VSYNC_OPENGL
#ifdef DEBUG_GLX_DEBUG_CONTEXT
typedef GLXContext (*f_glXCreateContextAttribsARB) (Display *dpy,
GLXFBConfig config, GLXContext share_context, Bool direct,
const int *attrib_list);
typedef void (*GLDEBUGPROC) (GLenum source, GLenum type,
GLuint id, GLenum severity, GLsizei length, const GLchar* message,
GLvoid* userParam);
typedef void (*f_DebugMessageCallback) (GLDEBUGPROC, void *userParam);
#endif
typedef int (*f_WaitVideoSync) (int, int, unsigned *);
typedef int (*f_GetVideoSync) (unsigned *);
typedef Bool (*f_GetSyncValuesOML) (Display* dpy, GLXDrawable drawable, int64_t* ust, int64_t* msc, int64_t* sbc);
typedef Bool (*f_WaitForMscOML) (Display* dpy, GLXDrawable drawable, int64_t target_msc, int64_t divisor, int64_t remainder, int64_t* ust, int64_t* msc, int64_t* sbc);
typedef int (*f_SwapIntervalSGI) (int interval);
typedef int (*f_SwapIntervalMESA) (unsigned int interval);
typedef void (*f_BindTexImageEXT) (Display *display, GLXDrawable drawable, int buffer, const int *attrib_list);
typedef void (*f_ReleaseTexImageEXT) (Display *display, GLXDrawable drawable, int buffer);
typedef void (*f_CopySubBuffer) (Display *dpy, GLXDrawable drawable, int x, int y, int width, int height);
#ifdef CONFIG_GLX_SYNC
// Looks like duplicate typedef of the same type is safe?
#ifndef __OpenBSD__
typedef int64_t GLint64;
typedef uint64_t GLuint64;
typedef struct __GLsync *GLsync;
#endif
#ifndef GL_SYNC_FLUSH_COMMANDS_BIT
#define GL_SYNC_FLUSH_COMMANDS_BIT 0x00000001
#endif
#ifndef GL_TIMEOUT_IGNORED
#define GL_TIMEOUT_IGNORED 0xFFFFFFFFFFFFFFFFull
#endif
#ifndef GL_ALREADY_SIGNALED
#define GL_ALREADY_SIGNALED 0x911A
#endif
#ifndef GL_TIMEOUT_EXPIRED
#define GL_TIMEOUT_EXPIRED 0x911B
#endif
#ifndef GL_CONDITION_SATISFIED
#define GL_CONDITION_SATISFIED 0x911C
#endif
#ifndef GL_WAIT_FAILED
#define GL_WAIT_FAILED 0x911D
#endif
typedef GLsync (*f_FenceSync) (GLenum condition, GLbitfield flags);
typedef GLboolean (*f_IsSync) (GLsync sync);
typedef void (*f_DeleteSync) (GLsync sync);
typedef GLenum (*f_ClientWaitSync) (GLsync sync, GLbitfield flags,
GLuint64 timeout);
typedef void (*f_WaitSync) (GLsync sync, GLbitfield flags,
GLuint64 timeout);
typedef GLsync (*f_ImportSyncEXT) (GLenum external_sync_type,
GLintptr external_sync, GLbitfield flags);
#endif
#ifdef DEBUG_GLX_MARK
typedef void (*f_StringMarkerGREMEDY) (GLsizei len, const void *string);
typedef void (*f_FrameTerminatorGREMEDY) (void);
#endif
/// @brief Wrapper of a GLX FBConfig.
typedef struct {
GLXFBConfig cfg;
GLint texture_fmt;
GLint texture_tgts;
bool y_inverted;
} glx_fbconfig_t;
/// @brief Wrapper of a binded GLX texture.
struct _glx_texture {
GLuint texture;
GLXPixmap glpixmap;
Pixmap pixmap;
GLenum target;
unsigned width;
unsigned height;
unsigned depth;
bool y_inverted;
};
#ifdef CONFIG_VSYNC_OPENGL_GLSL
typedef struct {
/// Fragment shader for blur.
GLuint frag_shader;
/// GLSL program for blur.
GLuint prog;
/// Location of uniform "offset_x" in blur GLSL program.
GLint unifm_offset_x;
/// Location of uniform "offset_y" in blur GLSL program.
GLint unifm_offset_y;
/// Location of uniform "factor_center" in blur GLSL program.
GLint unifm_factor_center;
} glx_blur_pass_t;
typedef struct {
/// Framebuffer used for blurring.
GLuint fbo;
/// Textures used for blurring.
GLuint textures[2];
/// Width of the textures.
int width;
/// Height of the textures.
int height;
} glx_blur_cache_t;
typedef struct {
/// Framebuffer used for greyscale conversion.
GLuint fbo;
/// Textures used for greyscale conversion.
GLuint textures[1];
/// Width of the textures.
int width;
/// Height of the textures.
int height;
} glx_greyscale_cache_t;
typedef struct {
/// GLSL program.
GLuint prog;
/// Location of uniform "opacity" in window GLSL program.
GLint unifm_opacity;
/// Location of uniform "invert_color" in blur GLSL program.
GLint unifm_invert_color;
/// Location of uniform "tex" in window GLSL program.
GLint unifm_tex;
} glx_prog_main_t;
#define GLX_PROG_MAIN_INIT { \
.prog = 0, \
.unifm_opacity = -1, \
.unifm_invert_color = -1, \
.unifm_tex = -1, \
}
#endif
#endif
typedef struct {
Pixmap pixmap;
Picture pict;
glx_texture_t *ptex;
} paint_t;
#define PAINT_INIT { .pixmap = None, .pict = None }
typedef struct {
int size;
double *data;
} conv;
/// Linked list type of atoms.
typedef struct _latom {
Atom atom;
struct _latom *next;
} latom_t;
/// A representation of raw region data
typedef struct {
XRectangle *rects;
int nrects;
} reg_data_t;
#define REG_DATA_INIT { NULL, 0 }
struct _timeout_t;
struct _win;
typedef struct _c2_lptr c2_lptr_t;
/// Structure representing all options.
typedef struct _options_t {
// === General ===
/// The configuration file we used.
char *config_file;
/// Path to write PID to.
char *write_pid_path;
/// The display name we used. NULL means we are using the value of the
/// <code>DISPLAY</code> environment variable.
char *display;
/// Safe representation of display name.
char *display_repr;
/// The backend in use.
enum backend backend;
/// Whether to sync X drawing to avoid certain delay issues with
/// GLX backend.
bool xrender_sync;
/// Whether to sync X drawing with X Sync fence.
bool xrender_sync_fence;
/// Whether to avoid using stencil buffer under GLX backend. Might be
/// unsafe.
bool glx_no_stencil;
/// Whether to copy unmodified regions from front buffer.
bool glx_copy_from_front;
/// Whether to use glXCopySubBufferMESA() to update screen.
bool glx_use_copysubbuffermesa;
/// Whether to avoid rebinding pixmap on window damage.
bool glx_no_rebind_pixmap;
/// GLX swap method we assume OpenGL uses.
int glx_swap_method;
/// Whether to use GL_EXT_gpu_shader4 to (hopefully) accelerates blurring.
bool glx_use_gpushader4;
/// Custom fragment shader for painting windows, as a string.
char *glx_fshader_win_str;
#ifdef CONFIG_VSYNC_OPENGL_GLSL
/// Custom GLX program used for painting window.
glx_prog_main_t glx_prog_win;
#endif
/// 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;
/// Force painting of window content with blending.
bool force_win_blend;
/// Resize damage for a specific number of pixels.
int resize_damage;
/// Whether to unredirect all windows if a full-screen opaque window
/// is detected.
bool unredir_if_possible;
/// List of conditions of windows to ignore as a full-screen window
/// when determining if a window could be unredirected.
c2_lptr_t *unredir_if_possible_blacklist;
/// Delay before unredirecting screen.
time_ms_t unredir_if_possible_delay;
/// Forced redirection setting through D-Bus.
switch_t redirected_force;
/// Whether to stop painting. Controlled through D-Bus.
switch_t stoppaint_force;
/// Whether to re-redirect screen on root size change.
bool reredir_on_root_change;
/// Whether to reinitialize GLX on root size change.
bool glx_reinit_on_root_change;
/// Whether to enable D-Bus support.
bool dbus;
/// Path to log file.
char *logpath;
/// Number of cycles to paint in benchmark mode. 0 for disabled.
int benchmark;
/// Window to constantly repaint in benchmark mode. 0 for full-screen.
Window benchmark_wid;
/// A list of conditions of windows not to paint.
c2_lptr_t *paint_blacklist;
/// Whether to avoid using XCompositeNameWindowPixmap(), for debugging.
bool no_name_pixmap;
/// Whether to work under synchronized mode for debugging.
bool synchronize;
/// Whether to show all X errors.
bool show_all_xerrors;
/// Whether to avoid acquiring X Selection.
bool no_x_selection;
// === 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;
/// Whether to use glFinish() instead of glFlush() for (possibly) better
/// VSync yet probably higher CPU usage.
bool vsync_use_glfinish;
// === 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;
/// Geometry of a region in which shadow is not painted on.
geometry_t shadow_exclude_reg_geom;
/// Shadow blacklist. A linked list of conditions.
c2_lptr_t *shadow_blacklist;
/// Whether bounding-shaped window should be ignored.
bool shadow_ignore_shaped;
/// Whether to respect _TDE_WM_WINDOW_SHADOW.
bool respect_prop_shadow;
/// Whether to crop shadow to the very Xinerama screen.
bool xinerama_shadow_crop;
// === 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;
/// Whether to disable fading on ARGB managed destroyed windows.
bool no_fading_destroyed_argb;
/// Whether to disable fading on opacity change
bool no_fading_opacitychange;
/// Fading blacklist. A linked list of conditions.
c2_lptr_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;
/// Default opacity for inactive windows.
opacity_t active_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;
/// Background blur blacklist. A linked list of conditions.
c2_lptr_t *blur_background_blacklist;
/// Blur convolution kernel.
XFixed *blur_kerns[MAX_BLUR_PASS];
/// Whether to set background of semi-transparent / ARGB windows to greyscale.
bool greyscale_background;
/// Greyscale background blacklist. A linked list of conditions.
c2_lptr_t *greyscale_background_blacklist;
/// 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.
c2_lptr_t *invert_color_list;
/// Rules to change window opacity.
c2_lptr_t *opacity_rules;
// === Focus related ===
/// Consider windows of specific types to be always focused.
bool wintype_focus[NUM_WINTYPES];
/// 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 use EWMH _NET_ACTIVE_WINDOW to find active window.
bool use_ewmh_active_win;
/// A list of windows always to be considered focused.
c2_lptr_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;
#ifdef CONFIG_VSYNC_OPENGL
/// Structure containing GLX-dependent data for a compton session.
typedef struct {
// === OpenGL related ===
/// GLX context.
GLXContext context;
/// Whether we have GL_ARB_texture_non_power_of_two.
bool has_texture_non_power_of_two;
/// Pointer to glXGetVideoSyncSGI function.
f_GetVideoSync glXGetVideoSyncSGI;
/// Pointer to glXWaitVideoSyncSGI function.
f_WaitVideoSync glXWaitVideoSyncSGI;
/// Pointer to glXGetSyncValuesOML function.
f_GetSyncValuesOML glXGetSyncValuesOML;
/// Pointer to glXWaitForMscOML function.
f_WaitForMscOML glXWaitForMscOML;
/// Pointer to glXSwapIntervalSGI function.
f_SwapIntervalSGI glXSwapIntervalProc;
/// Pointer to glXSwapIntervalMESA function.
f_SwapIntervalMESA glXSwapIntervalMESAProc;
/// Pointer to glXBindTexImageEXT function.
f_BindTexImageEXT glXBindTexImageProc;
/// Pointer to glXReleaseTexImageEXT function.
f_ReleaseTexImageEXT glXReleaseTexImageProc;
/// Pointer to glXCopySubBufferMESA function.
f_CopySubBuffer glXCopySubBufferProc;
#ifdef CONFIG_GLX_SYNC
/// Pointer to the glFenceSync() function.
f_FenceSync glFenceSyncProc;
/// Pointer to the glIsSync() function.
f_IsSync glIsSyncProc;
/// Pointer to the glDeleteSync() function.
f_DeleteSync glDeleteSyncProc;
/// Pointer to the glClientWaitSync() function.
f_ClientWaitSync glClientWaitSyncProc;
/// Pointer to the glWaitSync() function.
f_WaitSync glWaitSyncProc;
/// Pointer to the glImportSyncEXT() function.
f_ImportSyncEXT glImportSyncEXT;
#endif
#ifdef DEBUG_GLX_MARK
/// Pointer to StringMarkerGREMEDY function.
f_StringMarkerGREMEDY glStringMarkerGREMEDY;
/// Pointer to FrameTerminatorGREMEDY function.
f_FrameTerminatorGREMEDY glFrameTerminatorGREMEDY;
#endif
/// Current GLX Z value.
int z;
/// FBConfig-s for GLX pixmap of different depths.
glx_fbconfig_t *fbconfigs[OPENGL_MAX_DEPTH + 1];
#ifdef CONFIG_VSYNC_OPENGL_GLSL
glx_blur_pass_t blur_passes[MAX_BLUR_PASS];
#endif
} glx_session_t;
#define CGLX_SESSION_INIT { .context = NULL }
#endif
/// Structure containing all necessary data for a compton session.
typedef struct _session_t {
// === 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;
/// Whether the root tile is filled by compton.
bool root_tile_fill;
/// Picture of the root window background.
paint_t root_tile_paint;
/// 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.
paint_t tgt_buffer;
#ifdef CONFIG_XSYNC
XSyncFence tgt_buffer_fence;
#endif
/// 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;
#ifdef CONFIG_VSYNC_OPENGL
/// Pointer to GLX data.
glx_session_t *psglx;
#endif
// === 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;
/// Timeout for delayed unredirection.
struct _timeout_t *tmout_unredir;
/// Whether we have hit unredirection timeout.
bool tmout_unredir_hit;
/// 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;
/// The region damaged on the last paint.
XserverRegion all_damage_last[CGLX_MAX_BUFFER_AGE];
/// Whether all windows are currently redirected.
bool redirected;
/// 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;
// Cached blur convolution kernels.
XFixed *blur_kerns_cache[MAX_BLUR_PASS];
/// 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;
/// A region in which shadow is not painted on.
XserverRegion shadow_exclude_reg;
// === 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
// === 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;
#ifdef CONFIG_XRANDR
/// 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;
#endif // CONFIG_XRANDR
#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;
#ifdef CONFIG_XINERAMA
/// Whether X Xinerama extension exists.
bool xinerama_exists;
/// Xinerama screen info.
XineramaScreenInfo *xinerama_scrs;
/// Xinerama screen regions.
XserverRegion *xinerama_scr_regs;
/// Number of Xinerama screens.
int xinerama_nscrs;
#endif
#ifdef CONFIG_XSYNC
/// Whether X Sync extension exists.
bool xsync_exists;
/// Event base number for X Sync extension.
int xsync_event;
/// Error base number for X Sync extension.
int xsync_error;
#endif
/// 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>_TDE_WM_WINDOW_SHADOW</code>.
Atom atom_compton_shadow;
/// Atom of property <code>_NET_WM_WINDOW_TYPE</code>.
Atom atom_win_type;
/// Atom of property <code>_TDE_TRANSPARENT_TO_BLACK</code>.
Atom atom_win_type_tde_transparent_to_black;
/// Atom of property <code>_TDE_TRANSPARENT_TO_DESKTOP</code>.
Atom atom_win_type_tde_transparent_to_desktop;
/// Atom of property <code>_TDE_TRANSPARENCY_FILTER_GREYSCALE</code>.
Atom atom_win_type_tde_transparency_filter_greyscale;
/// Array of atoms of all possible window types.
Atom atoms_wintypes[NUM_WINTYPES];
/// Linked list of additional atoms to track.
latom_t *track_atom_lst;
#ifdef CONFIG_DBUS
// === DBus related ===
// DBus connection.
DBusConnection *dbus_conn;
// DBus service name.
char *dbus_service;
#endif
} 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;
#ifdef CONFIG_XINERAMA
/// Xinerama screen this window is on.
int xinerama_scr;
#endif
/// Window visual pict format;
XRenderPictFormat *pictfmt;
/// Window painting mode.
winmode_t mode;
/// Whether the window has been damaged at least once.
bool damaged;
#ifdef CONFIG_XSYNC
/// X Sync fence of drawable.
XSyncFence fence;
#endif
/// Whether the window was damaged after last paint.
bool pixmap_damaged;
/// Damage of the window.
Damage damage;
/// Paint info of the window.
paint_t paint;
/// 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 the window is painting excluded.
bool paint_excluded;
/// Whether the window is unredirect-if-possible excluded.
bool unredir_if_possible_excluded;
/// 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;
// 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;
const c2_lptr_t *cache_sblst;
const c2_lptr_t *cache_fblst;
const c2_lptr_t *cache_fcblst;
const c2_lptr_t *cache_ivclst;
const c2_lptr_t *cache_bbblst;
const c2_lptr_t *cache_oparule;
const c2_lptr_t *cache_pblst;
const c2_lptr_t *cache_uipblst;
// 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;
/// Last window opacity value we set.
opacity_t opacity_set;
// Fading-related members
/// Do not fade if it's false. Change on window type change.
/// Used by fading blacklist in the future.
bool fade;
/// Fade state on last paint.
bool fade_last;
/// Override value of window fade state. Set by D-Bus method calls.
switch_t fade_force;
/// 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;
/// 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;
/// Shadow state on last paint.
bool shadow_last;
/// 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;
/// Relative size of shadow.
int shadow_size;
/// Picture to render shadow. Affected by window size.
paint_t shadow_paint;
/// The value of _TDE_WM_WINDOW_SHADOW attribute of the window. Below 0 for
/// none.
long prop_shadow;
// Dim-related members
/// Whether the window is to be dimmed.
bool dim;
/// Whether to invert window color.
bool invert_color;
/// Color inversion state on last paint.
bool invert_color_last;
/// Override value of window color inversion state. Set by D-Bus method
/// calls.
switch_t invert_color_force;
/// Whether to blur window background.
bool blur_background;
/// Background state on last paint.
bool blur_background_last;
/// Whether to set window background to greyscale.
bool greyscale_background;
/// Background state on last paint.
bool greyscale_background_last;
/// Whether to show black background
bool show_black_background;
/// Whether to show desktop background
bool show_root_tile;
#ifdef CONFIG_VSYNC_OPENGL_GLSL
/// Textures and FBO background blur use.
glx_blur_cache_t glx_blur_cache;
/// Textures and FBO greyscale background use.
glx_greyscale_cache_t glx_greyscale_cache;
#endif
} 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 * const WINTYPES[NUM_WINTYPES];
extern const char * const VSYNC_STRS[NUM_VSYNC + 1];
extern const char * const BACKEND_STRS[NUM_BKEND + 1];
extern session_t *ps_g;
// == Debugging code ==
static inline void
print_timestamp(session_t *ps);
#ifdef DEBUG_BACKTRACE
#include <execinfo.h>
#define BACKTRACE_SIZE 25
/**
* Print current backtrace.
*
* 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 = 0; i < size; i++)
printf ("%s\n", strings[i]);
free(strings);
}
#ifdef DEBUG_ALLOC_REG
/**
* 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
#endif
// === Functions ===
/**
* @brief Quit if the passed-in pointer is empty.
*/
static inline void *
allocchk_(const char *func_name, void *ptr) {
if (!ptr) {
printf_err("%s(): Failed to allocate memory.", func_name);
exit(1);
}
return ptr;
}
/// @brief Wrapper of allocchk_().
#define allocchk(ptr) allocchk_(__func__, ptr)
/// @brief Wrapper of malloc().
#define cmalloc(nmemb, type) ((type *) allocchk(malloc((nmemb) * sizeof(type))))
/// @brief Wrapper of calloc().
#define ccalloc(nmemb, type) ((type *) allocchk(calloc((nmemb), sizeof(type))))
/// @brief Wrapper of ealloc().
#define crealloc(ptr, nmemb, type) ((type *) allocchk(realloc((ptr), (nmemb) * sizeof(type))))
/**
* 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 inline 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 inline 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);
}
/**
* Allocate the space and copy a string.
*/
static inline char *
mstrcpy(const char *src) {
char *str = cmalloc(strlen(src) + 1, char);
strcpy(str, src);
return str;
}
/**
* Allocate the space and copy a string.
*/
static inline char *
mstrncpy(const char *src, unsigned len) {
char *str = cmalloc(len + 1, char);
strncpy(str, src, len);
str[len] = '\0';
return str;
}
/**
* Allocate the space and join two strings.
*/
static inline char *
mstrjoin(const char *src1, const char *src2) {
char *str = cmalloc(strlen(src1) + strlen(src2) + 1, char);
strcpy(str, src1);
strcat(str, src2);
return str;
}
/**
* Allocate the space and join two strings;
*/
static inline char *
mstrjoin3(const char *src1, const char *src2, const char *src3) {
char *str = cmalloc(strlen(src1) + strlen(src2)
+ strlen(src3) + 1, char);
strcpy(str, src1);
strcat(str, src2);
strcat(str, src3);
return str;
}
/**
* Concatenate a string on heap with another string.
*/
static inline void
mstrextend(char **psrc1, const char *src2) {
*psrc1 = crealloc(*psrc1, (*psrc1 ? strlen(*psrc1): 0) + strlen(src2) + 1,
char);
strcat(*psrc1, src2);
}
/**
* 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 larger long integer of two.
*/
static inline long __attribute__((const))
max_l(long a, long b) {
return (a > b ? a : b);
}
/**
* 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);
}
/**
* Parse a VSync option argument.
*/
static inline bool
parse_vsync(session_t *ps, const char *str) {
for (vsync_t i = 0; VSYNC_STRS[i]; ++i)
if (!strcasecmp(str, VSYNC_STRS[i])) {
ps->o.vsync = i;
return true;
}
printf_errf("(\"%s\"): Invalid vsync argument.", str);
return false;
}
/**
* Parse a backend option argument.
*/
static inline bool
parse_backend(session_t *ps, const char *str) {
for (enum backend i = 0; BACKEND_STRS[i]; ++i)
if (!strcasecmp(str, BACKEND_STRS[i])) {
ps->o.backend = i;
return true;
}
// Keep compatibility with an old revision containing a spelling mistake...
if (!strcasecmp(str, "xr_glx_hybird")) {
ps->o.backend = BKEND_XR_GLX_HYBRID;
return true;
}
// cju wants to use dashes
if (!strcasecmp(str, "xr-glx-hybrid")) {
ps->o.backend = BKEND_XR_GLX_HYBRID;
return true;
}
printf_errf("(\"%s\"): Invalid backend argument.", str);
return false;
}
/**
* Parse a glx_swap_method option argument.
*/
static inline bool
parse_glx_swap_method(session_t *ps, const char *str) {
// Parse alias
if (!strcmp("undefined", str)) {
ps->o.glx_swap_method = 0;
return true;
}
if (!strcmp("copy", str)) {
ps->o.glx_swap_method = 1;
return true;
}
if (!strcmp("exchange", str)) {
ps->o.glx_swap_method = 2;
return true;
}
if (!strcmp("buffer-age", str)) {
ps->o.glx_swap_method = -1;
return true;
}
// Parse number
{
char *pc = NULL;
int age = strtol(str, &pc, 0);
if (!pc || str == pc) {
printf_errf("(\"%s\"): Invalid number.", str);
return false;
}
for (; *pc; ++pc)
if (!isspace(*pc)) {
printf_errf("(\"%s\"): Trailing characters.", str);
return false;
}
if (age > CGLX_MAX_BUFFER_AGE + 1 || age < -1) {
printf_errf("(\"%s\"): Number too large / too small.", str);
return false;
}
ps->o.glx_swap_method = age;
}
return true;
}
timeout_t *
timeout_insert(session_t *ps, time_ms_t interval,
bool (*callback)(session_t *ps, timeout_t *ptmout), void *data);
void
timeout_invoke(session_t *ps, timeout_t *ptmout);
bool
timeout_drop(session_t *ps, timeout_t *prm);
void
timeout_reset(session_t *ps, timeout_t *ptmout);
/**
* 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 && ps->pfds_read)
FD_CLR(fd, ps->pfds_read);
if (POLLOUT & events && ps->pfds_write)
FD_CLR(fd, ps->pfds_write);
if (POLLPRI & events && ps->pfds_except)
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
/**
* Wrapper of XFree() for convenience.
*
* Because a NULL pointer cannot be passed to XFree(), its man page says.
*/
static inline void
cxfree(void *data) {
if (data)
XFree(data);
}
/**
* Wrapper of XInternAtom() for convenience.
*/
static inline Atom
get_atom(session_t *ps, const char *atom_name) {
return XInternAtom(ps->dpy, atom_name, False);
}
/**
* Return the painting target window.
*/
static inline Window
get_tgt_window(session_t *ps) {
return ps->o.paint_on_overlay ? ps->overlay: ps->root;
}
/**
* 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 id 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;
}
/**
* Check if current backend uses XRender for rendering.
*/
static inline bool
bkend_use_xrender(session_t *ps) {
return BKEND_XRENDER == ps->o.backend
|| BKEND_XR_GLX_HYBRID == ps->o.backend;
}
/**
* Check if current backend uses GLX.
*/
static inline bool
bkend_use_glx(session_t *ps) {
return BKEND_GLX == ps->o.backend
|| BKEND_XR_GLX_HYBRID == ps->o.backend;
}
/**
* Check if there's a GLX context.
*/
static inline bool
glx_has_context(session_t *ps) {
#ifdef CONFIG_VSYNC_OPENGL
return ps->psglx && ps->psglx->context;
#else
return false;
#endif
}
/**
* Check if a window is really focused.
*/
static inline bool
win_is_focused_real(session_t *ps, const win *w) {
return IsViewable == w->a.map_state && ps->active_win == w;
}
/**
* Find out the currently focused window.
*
* @return struct _win object of the found window, NULL if not found
*/
static inline win *
find_focused(session_t *ps) {
if (!ps->o.track_focus) return NULL;
if (ps->active_win && win_is_focused_real(ps, ps->active_win))
return ps->active_win;
return NULL;
}
/**
* Copies a region.
*/
static inline XserverRegion
copy_region(const session_t *ps, XserverRegion oldregion) {
if (!oldregion)
return None;
XserverRegion region = XFixesCreateRegion(ps->dpy, NULL, 0);
XFixesCopyRegion(ps->dpy, region, oldregion);
return region;
}
/**
* Destroy a <code>XserverRegion</code>.
*/
static inline void
free_region(session_t *ps, XserverRegion *p) {
if (*p) {
XFixesDestroyRegion(ps->dpy, *p);
*p = None;
}
}
/**
* Free all regions in ps->all_damage_last .
*/
static inline void
free_all_damage_last(session_t *ps) {
for (int i = 0; i < CGLX_MAX_BUFFER_AGE; ++i)
free_region(ps, &ps->all_damage_last[i]);
}
#ifdef CONFIG_XSYNC
/**
* Free a XSync fence.
*/
static inline void
free_fence(session_t *ps, XSyncFence *pfence) {
if (*pfence)
XSyncDestroyFence(ps->dpy, *pfence);
*pfence = None;
}
#else
#define free_fence(ps, pfence) ((void) 0)
#endif
/**
* Crop a rectangle by another rectangle.
*
* psrc and pdst cannot be the same.
*/
static inline void
rect_crop(XRectangle *pdst, const XRectangle *psrc, const XRectangle *pbound) {
assert(psrc != pdst);
pdst->x = max_i(psrc->x, pbound->x);
pdst->y = max_i(psrc->y, pbound->y);
pdst->width = max_i(0, min_i(psrc->x + psrc->width, pbound->x + pbound->width) - pdst->x);
pdst->height = max_i(0, min_i(psrc->y + psrc->height, pbound->y + pbound->height) - pdst->y);
}
/**
* Check if a rectangle includes the whole screen.
*/
static inline bool
rect_is_fullscreen(session_t *ps, int x, int y, unsigned wid, unsigned hei) {
return (x <= 0 && y <= 0
&& (x + wid) >= ps->root_width && (y + hei) >= ps->root_height);
}
/**
* Check if a window is a fullscreen window.
*
* It's not using w->border_size for performance measures.
*/
static inline bool
win_is_fullscreen(session_t *ps, const win *w) {
return rect_is_fullscreen(ps, w->a.x, w->a.y, w->widthb, w->heightb)
&& (!w->bounding_shaped || w->rounded_corners);
}
/**
* Check if a window will be painted solid.
*/
static inline bool
win_is_solid(session_t *ps, const win *w) {
return WMODE_SOLID == w->mode && !ps->o.force_win_blend;
}
/**
* Determine if a window has a specific property.
*
* @param ps current session
* @param w window to check
* @param atom atom of property to check
* @return 1 if it has the attribute, 0 otherwise
*/
static inline bool
wid_has_prop(const session_t *ps, Window w, Atom atom) {
Atom type = None;
int format;
unsigned long nitems, after;
unsigned char *data;
if (Success == XGetWindowProperty(ps->dpy, w, atom, 0, 0, False,
AnyPropertyType, &type, &format, &nitems, &after, &data)) {
cxfree(data);
if (type) return true;
}
return false;
}
winprop_t
wid_get_prop_adv(const session_t *ps, Window w, Atom atom, long offset,
long length, Atom rtype, int rformat);
/**
* Wrapper of wid_get_prop_adv().
*/
static inline winprop_t
wid_get_prop(const session_t *ps, Window wid, Atom atom, long length,
Atom rtype, int rformat) {
return wid_get_prop_adv(ps, wid, atom, 0L, length, rtype, rformat);
}
/**
* Get the numeric property value from a win_prop_t.
*/
static inline long
winprop_get_int(winprop_t prop) {
long tgt = 0;
if (!prop.nitems)
return 0;
switch (prop.format) {
case 8: tgt = *(prop.data.p8); break;
case 16: tgt = *(prop.data.p16); break;
case 32: tgt = *(prop.data.p32); break;
default: assert(0);
break;
}
return tgt;
}
bool
wid_get_text_prop(session_t *ps, Window wid, Atom prop,
char ***pstrlst, int *pnstr);
/**
* Free a <code>winprop_t</code>.
*
* @param pprop pointer to the <code>winprop_t</code> to free.
*/
static inline void
free_winprop(winprop_t *pprop) {
// Empty the whole structure to avoid possible issues
if (pprop->data.p8) {
cxfree(pprop->data.p8);
pprop->data.p8 = NULL;
}
pprop->nitems = 0;
}
void
force_repaint(session_t *ps);
bool
vsync_init(session_t *ps);
void
vsync_deinit(session_t *ps);
#ifdef CONFIG_VSYNC_OPENGL
/** @name GLX
*/
///@{
#ifdef CONFIG_GLX_SYNC
void
xr_glx_sync(session_t *ps, Drawable d, XSyncFence *pfence);
#endif
bool
glx_init(session_t *ps, bool need_render);
void
glx_destroy(session_t *ps);
bool
glx_reinit(session_t *ps, bool need_render);
void
glx_on_root_change(session_t *ps);
bool
glx_init_blur(session_t *ps);
#ifdef CONFIG_VSYNC_OPENGL_GLSL
bool
glx_load_prog_main(session_t *ps,
const char *vshader_str, const char *fshader_str,
glx_prog_main_t *pprogram);
#endif
bool
glx_bind_pixmap(session_t *ps, glx_texture_t **pptex, Pixmap pixmap,
unsigned width, unsigned height, unsigned depth);
void
glx_release_pixmap(session_t *ps, glx_texture_t *ptex);
void
glx_paint_pre(session_t *ps, XserverRegion *preg);
/**
* Check if a texture is binded, or is binded to the given pixmap.
*/
static inline bool
glx_tex_binded(const glx_texture_t *ptex, Pixmap pixmap) {
return ptex && ptex->glpixmap && ptex->texture
&& (!pixmap || pixmap == ptex->pixmap);
}
void
glx_set_clip(session_t *ps, XserverRegion reg, const reg_data_t *pcache_reg);
#ifdef CONFIG_VSYNC_OPENGL_GLSL
bool
glx_blur_dst(session_t *ps, int dx, int dy, int width, int height, float z,
GLfloat factor_center,
XserverRegion reg_tgt, const reg_data_t *pcache_reg,
glx_blur_cache_t *pbc);
#endif
bool
glx_dim_dst(session_t *ps, int dx, int dy, int width, int height, float z,
GLfloat factor, XserverRegion reg_tgt, const reg_data_t *pcache_reg);
bool
glx_greyscale_dst(session_t *ps, int dx, int dy, int width, int height, float z,
XserverRegion reg_tgt, const reg_data_t *pcache_reg, glx_greyscale_cache_t *pbc);
bool
glx_render_(session_t *ps, const glx_texture_t *ptex,
int x, int y, int dx, int dy, int width, int height, int z,
double opacity, bool argb, bool neg,
XserverRegion reg_tgt, const reg_data_t *pcache_reg
#ifdef CONFIG_VSYNC_OPENGL_GLSL
, const glx_prog_main_t *pprogram
#endif
);
#ifdef CONFIG_VSYNC_OPENGL_GLSL
#define \
glx_render(ps, ptex, x, y, dx, dy, width, height, z, opacity, argb, neg, reg_tgt, pcache_reg, pprogram) \
glx_render_(ps, ptex, x, y, dx, dy, width, height, z, opacity, argb, neg, reg_tgt, pcache_reg, pprogram)
#else
#define \
glx_render(ps, ptex, x, y, dx, dy, width, height, z, opacity, argb, neg, reg_tgt, pcache_reg, pprogram) \
glx_render_(ps, ptex, x, y, dx, dy, width, height, z, opacity, argb, neg, reg_tgt, pcache_reg)
#endif
bool
glx_render_specified_color(session_t *ps, int color, int dx, int dy, int width, int height, int z,
XserverRegion reg_tgt, const reg_data_t *pcache_reg);
void
glx_swap_copysubbuffermesa(session_t *ps, XserverRegion reg);
unsigned char *
glx_take_screenshot(session_t *ps, int *out_length);
#ifdef CONFIG_VSYNC_OPENGL_GLSL
GLuint
glx_create_shader(GLenum shader_type, const char *shader_str);
GLuint
glx_create_program(const GLuint * const shaders, int nshaders);
GLuint
glx_create_program_from_str(const char *vert_shader_str,
const char *frag_shader_str);
#endif
/**
* Free a GLX texture.
*/
static inline void
free_texture_r(session_t *ps, GLuint *ptexture) {
if (*ptexture) {
assert(glx_has_context(ps));
glDeleteTextures(1, ptexture);
*ptexture = 0;
}
}
/**
* Free a GLX Framebuffer object.
*/
static inline void
free_glx_fbo(session_t *ps, GLuint *pfbo) {
#ifdef CONFIG_VSYNC_OPENGL_FBO
if (*pfbo) {
glDeleteFramebuffers(1, pfbo);
*pfbo = 0;
}
#endif
assert(!*pfbo);
}
#ifdef CONFIG_VSYNC_OPENGL_GLSL
/**
* Free data in glx_blur_cache_t on resize.
*/
static inline void
free_glx_bc_resize(session_t *ps, glx_blur_cache_t *pbc) {
free_texture_r(ps, &pbc->textures[0]);
free_texture_r(ps, &pbc->textures[1]);
pbc->width = 0;
pbc->height = 0;
}
/**
* Free a glx_blur_cache_t
*/
static inline void
free_glx_bc(session_t *ps, glx_blur_cache_t *pbc) {
free_glx_fbo(ps, &pbc->fbo);
free_glx_bc_resize(ps, pbc);
}
/**
* Free data in glx_greyscale_cache_t on resize.
*/
static inline void
free_glx_gc_resize(session_t *ps, glx_greyscale_cache_t *pbc) {
free_texture_r(ps, &pbc->textures[0]);
free_texture_r(ps, &pbc->textures[1]);
pbc->width = 0;
pbc->height = 0;
}
/**
* Free a glx_greyscale_cache_t
*/
static inline void
free_glx_gc(session_t *ps, glx_greyscale_cache_t *pbc) {
free_glx_fbo(ps, &pbc->fbo);
free_glx_gc_resize(ps, pbc);
}
#endif
#endif
/**
* Free a glx_texture_t.
*/
static inline void
free_texture(session_t *ps, glx_texture_t **pptex) {
glx_texture_t *ptex = *pptex;
// Quit if there's nothing
if (!ptex)
return;
#ifdef CONFIG_VSYNC_OPENGL
glx_release_pixmap(ps, ptex);
free_texture_r(ps, &ptex->texture);
// Free structure itself
free(ptex);
*pptex = NULL;
#endif
assert(!*pptex);
}
/**
* Free GLX part of paint_t.
*/
static inline void
free_paint_glx(session_t *ps, paint_t *ppaint) {
free_texture(ps, &ppaint->ptex);
}
/**
* Free GLX part of win.
*/
static inline void
free_win_res_glx(session_t *ps, win *w) {
free_paint_glx(ps, &w->paint);
free_paint_glx(ps, &w->shadow_paint);
#ifdef CONFIG_VSYNC_OPENGL_GLSL
free_glx_bc(ps, &w->glx_blur_cache);
free_glx_gc(ps, &w->glx_greyscale_cache);
#endif
}
/**
* Add a OpenGL debugging marker.
*/
static inline void
glx_mark_(session_t *ps, const char *func, XID xid, bool start) {
#ifdef DEBUG_GLX_MARK
if (glx_has_context(ps) && ps->psglx->glStringMarkerGREMEDY) {
if (!func) func = "(unknown)";
const char *postfix = (start ? " (start)": " (end)");
char *str = malloc((strlen(func) + 12 + 2
+ strlen(postfix) + 5) * sizeof(char));
strcpy(str, func);
sprintf(str + strlen(str), "(%#010lx)%s", xid, postfix);
ps->psglx->glStringMarkerGREMEDY(strlen(str), str);
free(str);
}
#endif
}
#define glx_mark(ps, xid, start) glx_mark_(ps, __func__, xid, start)
/**
* Add a OpenGL debugging marker.
*/
static inline void
glx_mark_frame(session_t *ps) {
#ifdef DEBUG_GLX_MARK
if (glx_has_context(ps) && ps->psglx->glFrameTerminatorGREMEDY)
ps->psglx->glFrameTerminatorGREMEDY();
#endif
}
///@}
#ifdef CONFIG_XSYNC
#define xr_sync(ps, d, pfence) xr_sync_(ps, d, pfence)
#else
#define xr_sync(ps, d, pfence) xr_sync_(ps, d)
#endif
/**
* Synchronizes a X Render drawable to ensure all pending painting requests
* are completed.
*/
static inline void
xr_sync_(session_t *ps, Drawable d
#ifdef CONFIG_XSYNC
, XSyncFence *pfence
#endif
) {
if (!ps->o.xrender_sync)
return;
XSync(ps->dpy, False);
#ifdef CONFIG_XSYNC
if (ps->o.xrender_sync_fence && ps->xsync_exists) {
// TODO: If everybody just follows the rules stated in X Sync prototype,
// we need only one fence per screen, but let's stay a bit cautious right
// now
XSyncFence tmp_fence = None;
if (!pfence)
pfence = &tmp_fence;
assert(pfence);
if (!*pfence)
*pfence = XSyncCreateFence(ps->dpy, d, False);
if (*pfence) {
Bool triggered = False;
/* if (XSyncQueryFence(ps->dpy, *pfence, &triggered) && triggered)
XSyncResetFence(ps->dpy, *pfence); */
// The fence may fail to be created (e.g. because of died drawable)
assert(!XSyncQueryFence(ps->dpy, *pfence, &triggered) || !triggered);
XSyncTriggerFence(ps->dpy, *pfence);
XSyncAwaitFence(ps->dpy, pfence, 1);
assert(!XSyncQueryFence(ps->dpy, *pfence, &triggered) || triggered);
}
else {
printf_errf("(%#010lx): Failed to create X Sync fence.", d);
}
free_fence(ps, &tmp_fence);
if (*pfence)
XSyncResetFence(ps->dpy, *pfence);
}
#endif
#ifdef CONFIG_GLX_SYNC
xr_glx_sync(ps, d, pfence);
#endif
}
/** @name DBus handling
*/
///@{
#ifdef CONFIG_DBUS
/** @name DBus handling
*/
///@{
bool
cdbus_init(session_t *ps);
void
cdbus_destroy(session_t *ps);
void
cdbus_loop(session_t *ps);
void
cdbus_ev_win_added(session_t *ps, win *w);
void
cdbus_ev_win_destroyed(session_t *ps, win *w);
void
cdbus_ev_win_mapped(session_t *ps, win *w);
void
cdbus_ev_win_unmapped(session_t *ps, win *w);
void
cdbus_ev_win_focusout(session_t *ps, win *w);
void
cdbus_ev_win_focusin(session_t *ps, win *w);
//!@}
/** @name DBus hooks
*/
///@{
void
win_set_shadow_force(session_t *ps, win *w, switch_t val);
void
win_set_fade_force(session_t *ps, win *w, switch_t val);
void
win_set_focused_force(session_t *ps, win *w, switch_t val);
void
win_set_invert_color_force(session_t *ps, win *w, switch_t val);
void
opts_init_track_focus(session_t *ps);
void
opts_set_no_fading_openclose(session_t *ps, bool newval);
void
opts_set_no_fading_opacitychange(session_t *ps, bool newval);
//!@}
#endif
#ifdef CONFIG_C2
/** @name c2
*/
///@{
c2_lptr_t *
c2_parsed(session_t *ps, c2_lptr_t **pcondlst, const char *pattern,
void *data);
#define c2_parse(ps, pcondlst, pattern) c2_parsed((ps), (pcondlst), (pattern), NULL)
c2_lptr_t *
c2_free_lptr(c2_lptr_t *lp);
bool
c2_matchd(session_t *ps, win *w, const c2_lptr_t *condlst,
const c2_lptr_t **cache, void **pdata);
#define c2_match(ps, w, condlst, cache) c2_matchd((ps), (w), (condlst), \
(cache), NULL)
#endif
///@}
#endif
/**
* @brief Dump the given data to a file.
*/
static inline bool
write_binary_data(const char *path, const unsigned char *data, int length) {
if (!data)
return false;
FILE *f = fopen(path, "wb");
if (!f) {
printf_errf("(\"%s\"): Failed to open file for writing.", path);
return false;
}
int wrote_len = fwrite(data, sizeof(unsigned char), length, f);
fclose(f);
if (wrote_len != length) {
printf_errf("(\"%s\"): Failed to write all blocks: %d / %d", path,
wrote_len, length);
return false;
}
return true;
}
/**
* @brief Dump raw bytes in HEX format.
*
* @param data pointer to raw data
* @param len length of data
*/
static inline void
hexdump(const char *data, int len) {
static const int BYTE_PER_LN = 16;
if (len <= 0)
return;
// Print header
printf("%10s:", "Offset");
for (int i = 0; i < BYTE_PER_LN; ++i)
printf(" %2d", i);
putchar('\n');
// Dump content
for (int offset = 0; offset < len; ++offset) {
if (!(offset % BYTE_PER_LN))
printf("0x%08x:", offset);
printf(" %02hhx", data[offset]);
if ((BYTE_PER_LN - 1) == offset % BYTE_PER_LN)
putchar('\n');
}
if (len % BYTE_PER_LN)
putchar('\n');
fflush(stdout);
}
#endif
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