mirror of
https://github.com/yshui/picom.git
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347 lines
6.5 KiB
C
347 lines
6.5 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <math.h>
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#include <sys/poll.h>
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#include <sys/time.h>
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#include <time.h>
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#include <unistd.h>
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#include <getopt.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xatom.h>
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#include <X11/extensions/Xcomposite.h>
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#include <X11/extensions/Xdamage.h>
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#include <X11/extensions/Xrender.h>
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#if COMPOSITE_MAJOR > 0 || COMPOSITE_MINOR >= 2
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#define HAS_NAME_WINDOW_PIXMAP 1
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#endif
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#define CAN_DO_USABLE 0
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#define DEBUG_REPAINT 0
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#define DEBUG_EVENTS 0
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#define MONITOR_REPAINT 0
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#define OPAQUE 0xffffffff
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#define REGISTER_PROP "_NET_WM_CM_S"
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#define WINDOW_SOLID 0
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#define WINDOW_TRANS 1
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#define WINDOW_ARGB 2
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typedef enum {
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WINTYPE_UNKNOWN,
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WINTYPE_DESKTOP,
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WINTYPE_DOCK,
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WINTYPE_TOOLBAR,
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WINTYPE_MENU,
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WINTYPE_UTILITY,
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WINTYPE_SPLASH,
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WINTYPE_DIALOG,
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WINTYPE_NORMAL,
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WINTYPE_DROPDOWN_MENU,
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WINTYPE_POPUP_MENU,
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WINTYPE_TOOLTIP,
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WINTYPE_NOTIFY,
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WINTYPE_COMBO,
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WINTYPE_DND,
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NUM_WINTYPES
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} wintype;
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typedef struct _ignore {
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struct _ignore *next;
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unsigned long sequence;
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} ignore;
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typedef struct _win {
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struct _win *next;
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Window id;
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Window client_win;
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#if HAS_NAME_WINDOW_PIXMAP
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Pixmap pixmap;
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#endif
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XWindowAttributes a;
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#if CAN_DO_USABLE
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Bool usable; /* mapped and all damaged at one point */
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XRectangle damage_bounds; /* bounds of damage */
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#endif
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int mode;
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int damaged;
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Damage damage;
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Picture picture;
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Picture alpha_pict;
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Picture alpha_border_pict;
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Picture shadow_pict;
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XserverRegion border_size;
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XserverRegion extents;
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Picture shadow;
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int shadow_dx;
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int shadow_dy;
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int shadow_width;
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int shadow_height;
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unsigned int opacity;
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wintype window_type;
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unsigned long damage_sequence; /* sequence when damage was created */
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Bool destroyed;
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unsigned int left_width;
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unsigned int right_width;
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unsigned int top_width;
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unsigned int bottom_width;
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Bool need_configure;
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XConfigureEvent queue_configure;
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/* for drawing translucent windows */
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XserverRegion border_clip;
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struct _win *prev_trans;
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} win;
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typedef struct _conv {
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int size;
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double *data;
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} conv;
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typedef struct _fade {
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struct _fade *next;
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win *w;
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double cur;
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double finish;
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double step;
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void (*callback) (Display *dpy, win *w);
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Display *dpy;
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} fade;
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int
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get_time_in_milliseconds();
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fade *
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find_fade(win *w);
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void
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dequeue_fade(Display *dpy, fade *f);
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void
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cleanup_fade(Display *dpy, win *w);
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void
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enqueue_fade(Display *dpy, fade *f);
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static void
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set_fade(Display *dpy, win *w, double start,
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double finish, double step,
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void(*callback) (Display *dpy, win *w),
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Bool exec_callback, Bool override);
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int
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fade_timeout(void);
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void
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run_fades(Display *dpy);
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static double
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gaussian(double r, double x, double y);
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static conv *
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make_gaussian_map(Display *dpy, double r);
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static unsigned char
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sum_gaussian(conv *map, double opacity,
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int x, int y, int width, int height);
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static void
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presum_gaussian(conv *map);
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static XImage *
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make_shadow(Display *dpy, double opacity,
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int width, int height);
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static Picture
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shadow_picture(Display *dpy, double opacity, Picture alpha_pict,
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int width, int height, int *wp, int *hp);
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Picture
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solid_picture(Display *dpy, Bool argb, double a,
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double r, double g, double b);
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void
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discard_ignore(Display *dpy, unsigned long sequence);
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void
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set_ignore(Display *dpy, unsigned long sequence);
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int
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should_ignore(Display *dpy, unsigned long sequence);
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static win *
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find_win(Display *dpy, Window id);
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static win *
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find_toplevel(Display *dpy, Window id);
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static Picture
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root_tile_f(Display *dpy);
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static void
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paint_root(Display *dpy);
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static XserverRegion
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win_extents(Display *dpy, win *w);
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static XserverRegion
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border_size(Display *dpy, win *w);
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static Window
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find_client_win(Display *dpy, Window win);
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static void
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get_frame_extents(Display *dpy, Window w,
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unsigned int *left,
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unsigned int *right,
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unsigned int *top,
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unsigned int *bottom);
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static void
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paint_all(Display *dpy, XserverRegion region);
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static void
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add_damage(Display *dpy, XserverRegion damage);
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static void
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repair_win(Display *dpy, win *w);
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#if 0
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static const char*
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wintype_name(wintype type);
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#endif
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static wintype
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get_wintype_prop(Display * dpy, Window w);
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static wintype
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determine_wintype(Display *dpy, Window w, Window top);
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static void
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map_win(Display *dpy, Window id,
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unsigned long sequence, Bool fade,
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Bool override_redirect);
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static void
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finish_unmap_win(Display *dpy, win *w);
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#if HAS_NAME_WINDOW_PIXMAP
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static void
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unmap_callback(Display *dpy, win *w);
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#endif
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static void
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unmap_win(Display *dpy, Window id, Bool fade);
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static unsigned int
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get_opacity_prop(Display *dpy, win *w, unsigned int def);
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static double
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get_opacity_percent(Display *dpy, win *w);
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static void
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determine_mode(Display *dpy, win *w);
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static void
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set_opacity(Display *dpy, win *w, unsigned long opacity);
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static void
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add_win(Display *dpy, Window id, Window prev, Bool override_redirect);
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void
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restack_win(Display *dpy, win *w, Window new_above);
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static void
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configure_win(Display *dpy, XConfigureEvent *ce);
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static void
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circulate_win(Display *dpy, XCirculateEvent *ce);
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static void
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finish_destroy_win(Display *dpy, Window id);
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#if HAS_NAME_WINDOW_PIXMAP
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static void
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destroy_callback(Display *dpy, win *w);
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#endif
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static void
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destroy_win(Display *dpy, Window id, Bool fade);
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#if 0
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static void
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dump_win(win *w);
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#endif
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static void
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damage_win(Display *dpy, XDamageNotifyEvent *de);
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static int
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error(Display *dpy, XErrorEvent *ev);
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static void
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expose_root(Display *dpy, Window root, XRectangle *rects, int nrects);
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#if DEBUG_EVENTS
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static int
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ev_serial(XEvent *ev);
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static char *
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ev_name(XEvent *ev);
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static Window
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ev_window(XEvent *ev);
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#endif
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void
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usage(char *program);
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static void
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register_cm(int scr);
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inline static void
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ev_focus_in(XFocusChangeEvent *ev);
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inline static void
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ev_focus_out(XFocusChangeEvent *ev);
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inline static void
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ev_create_notify(XCreateWindowEvent *ev);
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inline static void
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ev_configure_notify(XConfigureEvent *ev);
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inline static void
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ev_destroy_notify(XDestroyWindowEvent *ev);
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inline static void
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ev_map_notify(XMapEvent *ev);
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inline static void
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ev_unmap_notify(XUnmapEvent *ev);
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inline static void
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ev_reparent_notify(XReparentEvent *ev);
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inline static void
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ev_circulate_notify(XCirculateEvent *ev);
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inline static void
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ev_expose(XExposeEvent *ev);
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inline static void
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ev_property_notify(XPropertyEvent *ev);
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inline static void
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ev_damage_notify(XDamageNotifyEvent *ev);
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inline static void
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handle_event(XEvent *ev);
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static void
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get_atoms();
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