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* Bug fix: Incorrect handling when a window is placed on bottomRichard Grenville2013-03-221-1/+1
| | | | | | - Fix a bug that ConfigureNotify placing a window in bottom (ConfigureNotify with .new_above == 0) is not correctly handled, introduced in 1a88e3d0c5.
* Improvement: --glx-use-copysubbuffermesaRichard Grenville2013-03-214-12/+84
| | | | | | | | | | - GLX backend: Add --glx-use-copysubbuffermesa, to use MESA_copy_sub_buffer to do partial screen update. Huge performance boost on mesa drivers for partial screen updates, but does not work for nvidia-drivers and may break VSync. Automagically overrides --glx-copy-from-front. - Add rect_is_fullscreen() to reuse code. Misc changes.
* Feature #69: GLX: Blur backgroundRichard Grenville2013-03-203-65/+170
| | | | | | | | - GLX backend: Add blur background support using a GLSL shader. Only tested with nvidia-drivers-313.26. Known to cause quite some decrease in performance (~10%?). - Detach shaders in glx_create_program(). Misc changes.
* Improvement: --glx-copy-from-front & benchmark modeRichard Grenville2013-03-193-50/+219
| | | | | | | | | | | | | | | | | | | | | | | | | | | | - GLX backend: Add --glx-copy-front, which copies all unmodified regions from front buffer to back buffer instead of redrawing the whole screen. Unfortunately, probably because glCopyPixels() isn't usually well-optimized on graphic cards, this option appears very unstable in its effect: Over 20% boost in performance when only 1/4 of the screen is modified, but 10% decrease when the whole screen is. Thus, not enabled by default. - GLX backend: Add glx_blur_dst(), to prepare for the background blur feature. It currently is capable to modify background in the desired way, but the core blur shader is absent. glConvolution2D() seemingly relies entirely on CPU and has horrifying performance. I've hesitating about whether I should use ARB assembly language or GLSL for the shader. - GLX backend: Invert y-axis GL matrix. It's upside-down previously because that's what dcompmgr uses. Seemingly a "normal" y-axis is required for glCopyPixels() to operate correctly. - GLX backend: Fix some GLX_TEXTURE_RECTANGLE compatibility issues. Still, not actually tested. - Add benchmark mode (--benchmark & --benchmark-wid). - Misc changes.
* Improvement: GLX: Use SCISSOR_TEST instead of STENCIL_TEST when possibleRichard Grenville2013-03-182-10/+29
| | | | | | | | - GLX backend: Use GL_SCISSOR_TEST instead of STENCIL_TEST if there's only one rectangle in glx_set_clip(). Profiling with gDebugger shows a 10% performance improvement. - Add .desktop installation rules. (#97)
* Bug fix: GLX: ARGB texture too dark & Jitter when resize & othersRichard Grenville2013-03-184-42/+117
| | | | | | | | | | | | | | | | | | | | | | - GLX backend: Fix a bug that ARGB windows / shadows are rendered too dark. Thanks to derhass in FreeNode/##opengl for help. - GLX backend: Fix a problem that during window resize the content looks jittering, by letting compton fetch pixmap sizes with XGetGeometry() instead of relying on window width/height, which could be inaccurate during window resize. Negative effect on performance. Thanks to M4he for reporting. (#7) - Add .desktop file. Thanks to quequotion for providing it. (#97) - Avoid checking presence of window pixmap, because they may not exist with very old X Composite implementations. - Add workaround for a strange window restack issue when compton receieves a ConfigureNotify with non-existent new above window. - Add debugging function hexdump(). Extra sanity checks on various places.
* Bug fix: GLX backend incompatibility with VirtualBox & othersRichard Grenville2013-03-174-46/+89
| | | | | | | | | | | | | | | | | | | | | | | - GLX backend: Fix a bug that window content does not get updated on VirtualBox, by rebinding texture when window content changes. This may have a negative effect on performance. - GLX backend: Add --glx-no-stencil to restore the old clipping method, just in case. - GLX backend: Apply stricter checks on texture-pixmap binding. - GLX backend: Fix a bug that glx_set_clip() behaves incorrectly when None is passed in. - GLX backend: Use glEnable()/glDisable() to toggle stencil tests, in hope to increase performance. - Move window pixmap/picture fetching to win_paint_win(), in hope to increase performance. - Intersect shadow painting region with its bounding rectangle, in hope to increase performance.
* Bug fix: GLX backend incompatibility with mesa & othersRichard Grenville2013-03-166-52/+346
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Fix a bug that glx_bind_pixmap() doesn't work with mesa drivers. Thanks to Janhouse and mkraemer for reporting. (#7) - Use stencil buffer to attempt to eliminate potential double-paint issue in glx_render(). X Fixes doesn't guarantee the rectangles in a region do not overlap, and this may cause some regions to be painted twice, which would be a problem if we are painting transparent things. Now the target window must have a stencil buffer. Compiz uses its own region implementation to deal with this, but as a lightweight compositor we can't really do the same. It may have a positive or negative effort over performance. Callgrind result indicates basically no change in performance, but this may or may not be true. - Correctly distinguish GL extensions and GLX extensions. Sorry. :-D - Handle screen size. Thanks to tsmithe for reporting. (#7) - Rename OpenGL backend to GLX backend, because, we might have a EGL backend someday. - Add configuration file option `backend` to specify backend. Add `backend` to D-Bus `opts_get`. - Add OpenGL shader compilation code, but currently unused. - Minor adjustments. - Known issue: Window content doesn't get updated in VirtualBox, probably because its OpenGL implementation requires constant rebinding of texture. But that's really slow... - Known issue: Blur feature is still unimplemented in GLX backend.
* Feature: OpenGL backendRichard Grenville2013-03-155-421/+1169
| | | | | | | | | | | | | | | | | | | | | | - Add experimental OpenGL backend (--opengl). --blur-background is currently not possible with this backend, because I'm still trying to find a proper way to do blur with OpenGL. Flipping backend on-the-fly is really hard, so it isn't supported right now. No configuration file option exists to enable this, because it isn't stable enough. - Add `opengl-swc` VSync method that uses SGI_swap_control to control buffer swap, with OpenGL backend. (#7) - Fix a potential read-from-freed-memory issue in paint_all(). - Correctly reattach GLX context after fork. - Dump error text in error(). Add GLX error code handling. - Code clean-up. - Known issues: Region operations take a lot of time in glx_render(). I'm hesitating about what to do.
* Bug fix: Create OpenGL context only after initializing overlayRichard Grenville2013-03-121-7/+8
| | | | | | - Create OpenGL context only after initializing overlay, which fixes a bug that --paint-on-overlay does not work with OpenGL VSync. Thanks to tsmithe for reporting. (#7)
* Improvement: ARGB window matching & Enable track_focus with D-BusRichard Grenville2013-03-105-2/+44
| | | | | | | - Add predefined matching target "argb" to match ARGB windows. - Make it possible to enable focus tracking on-the-fly with D-Bus method.
* Bug fix #93: Assertion failure when window reparentedRichard Grenville2013-03-031-3/+10
| | | | | | | | - Fix an assertion failure that occurs when a window is reparented to the root window then immediately to another window. Thanks to smlx for reporting. - Add extra debugging info for ReparentNotify.
* Bug fix #91: Using pkg-config to find drm.h & OpenGL changesRichard Grenville2013-03-013-96/+234
| | | | | | | | | | | | | | | | | - #91: Use pkg-config to find drm.h to avoid issues on FreeBSD. Thanks to hun7err for pointing out and providing patch. - #89: Add default shadow exclusion rule for notify-osd. Thanks to DanielRS. - Check for abundant positional arguments. - Use paint target window (root window / overlay window) instead of ps->reg_win to create GLXContext. (May have negative effects on OpenGL VSync.) Add new OpenGL helpers functions, to prepare for the new OpenGL backend. - Dump more info of a PropertyNotify with DEBUG_EVENTS.
* Improvement: Change VSync mode with D-Bus & Makefile update & MiscRichard Grenville2013-01-315-58/+135
| | | | | | | | | | | | | | | | | | - Add on-the-fly VSync option modification via D-Bus, as requested by kunitoki (#80). Expose parse_vsync(), create vsync_init() and ensure_glx_context(). - Change default value of ps->drm_fd to -1. - Update Makefile. Change the install/uninstall rules and add doc installation, requested by hasufell in #85. - Mark window not damaged in map_win(). It helps in reducing flickering with inverted window color, but I'm not completely sure if it's safe. - Avoid modifying w->invert_color when window is unmapped. - Update documentation. Thanks to hasufell for pointing out.
* Improvement #7: Add GLX_OML_sync_control VSync supportRichard Grenville2013-01-303-118/+219
| | | | | | | | | | | | | | | | - Add "vsync-oml" VSync method, using GLX_OML_sync_control. Untested, because it's not supported by my driver. - Unredirect ps->reg_win, because DRI wiki says it's related to the behavior of OpenGL VSync extensions. - Add glFlush() and glXWaitX() calls, in hope they are slightly helpful for VSync. - Change a few functions to make error handling more graceful. Make some errors fatal. Code clean-up. - Add unused function make_text_prop().
* Improvement: Improve color inversion performance & Validate pixmapRichard Grenville2013-01-292-25/+83
| | | | | | | | | | | | | | | - Try to improve the performance of color inversion by applying clipping region during color inversion. (#75) - Validate pixmap on window unmap/destruction. Probably slightly helpful for #52. - Change the design of unmap_win() and destroy_win(), a bit. - Add warning message to help messages about features disabled at compile time, instead of dropping their description completely. (#85) - Silence some warnings. Code clean-up.
* Merge branch 'master' into richardgv-devRichard Grenville2013-01-291-3/+10
|\ | | | | | | | | Conflicts: src/compton.c
| * hide disabled features from help outputhasufell2013-01-281-5/+14
| |
* | Feature #16: Advanced window matchingRichard Grenville2013-01-286-383/+1756
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Add advanced window matching system, capable of matching against arbitrary window properties as well as a series of internal properties, with 4 additional operators (>, <, >=, <=) useful for integer targets, and support of logical operators. The old matching system is removed, but compatibility with the format is retained. - As the new matching system is pretty complicated, and I have no past experience in writing a parser, it's pretty possible that bugs are present. It also has inferior performance, but I hope it doesn't matter on modern CPUs. - It's possible to disable matching system at compile time with NO_C2=1 now. - Add ps->o.config_file to track which config file we have actually read. Queryable via D-Bus. - Parse -d in first pass in get_cfg() as c2 needs to query X to get atoms during condition parsing. - Fix a bug in wid_get_prop_adv() that 0 == rformat is not handled correctly. - Fix incompatibility with FreeBSD sed in dbus-examples/cdbus-driver.sh . - Add recipe to generate .clang_complete in Makefile, used by Vim clang_complete plugin. - Add DEBUG_C2 for debugging condition string parsing. DEBUG_WINMATCH is still used for match debugging. - Rename win_on_wdata_change() to win_on_factor_change(). - Extra malloc() failure checks. Add const to matching cache members in session_t. Code clean-up. Documentation update.
* Bug fix #84: Root window not repainted sometimes on wallpaper changeRichard Grenville2013-01-245-187/+383
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Fix a bug that root window is not repainted on wallpaper change unless an Expose X event is received. Seemingly, if there's no mapped window on a screen, X will not send an Expose event when the wallpaper changes. Thanks to baskerville for reporting. - Fix a X Pixmap leak when there's no existing wallpaper pixmap found. - Fix a bug in mstrncpy() that null character is not added to the end of the copied string. - Make VSYNC_STRS public, for use in src/dbus.c. Adjust the type of WINTYPES array. Add NUM_VSYNC. - Add more targets for various D-Bus methods. Add "bad_target" D-Bus error. Improve error handling. Add more helper functions to append arguments to a D-Bus message. Add Introspect method to D-Bus introspection reply. - Add public declarations of things in the new condition format code to common.h. Move definitions of some inline functions from compton.h to common.h. Make some functions public. Move wid_get_prop_adv() to compton.c. The primary code files of the new format src/c2.{c,h} will be published when ready. - Add support for dumping version string in Makefile (make version), to make snapshot generation easier. - Add repeated inclusion protection to common.h. - Update documentation. - Use gsed instead of sed in dbus-examples/cdbus-driver.sh if possible, as some BSD systems does not come with GNU sed by default. Thanks to DaChiChang for reporting. - Code clean-up. Small type changes in register_cm() to silence warnings. Quit on failure in parse_vsync(). Apply stricter checks in force_repaint().
* Feature #80: D-Bus supportRichard Grenville2013-01-195-1264/+2650
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Add D-Bus support. Currently 7 methods are available: "reset" (same as SIGUSR1), "list_win" (list the windows compton manages), "win_get" (get a property of the window), "win_set" (set a property of the window), "find_win" (find window based on client window / focus), "opts_get" (get the value of a compton option), and "opts_set" (set the value of a compton option), together with 4 signals: "win_added", "win_destroyed", "win_mapped", "win_unmapped". - D-Bus support depends on libdbus. - As there are many items and my time is tight, no much tests are done. Bugs to be expected. - Create a new header file `common.h` that contains shared content. - Fix some bugs in timeout handling. - Update file headers in all source files. - Re-enable --unredir-if-possible on multi-screen set-ups, as the user could turn if off manually anyway. - Check if the window is mapped in `repair_win()`. - Add ps->track_atom_lst and its handlers, to prepare for the new condition format. - Known issue 1: "win_get", "win_set", "opts_get", "opts_set" support a very limited number of targets only. New ones will be added gradually. - Known issue 2: Accidental drop of D-Bus connection is not handled. - Known issue 3: Introspection does not reveal all available methods, because some methods have unpredictable prototypes. Still hesitating about what to do... - Known issue 4: Error handling is not finished yet. Compton does not always reply with the correct error message (but it does print out the correct error message, usually).
* Bug fix #75: --invert-color-include not working & othersRichard Grenville2013-01-132-14/+26
| | | | | | | | | | - Fix a small bug that breaks --invert-color-include if no other blacklists are present. Thanks to MaskRay and xiaq for reporting. - Disable --unredir-if-possible for multi-screen setups. - Fix a bug that causes --no-fading-openclose to have no effect in some cases. Add w->in_openclose to keep track of window open/close state.
* Feature #75: Invert window colorRichard Grenville2013-01-122-58/+221
| | | | | | | | | | | | | | | | | | | | - Add window color inversion (--invert-color-include). It means 2-3 times extra painting, so performance issues are likely to appear. I hope I could find a faster way to invert colors. - Rename some functions. - Fix update of some window properties after window type/data change. Hopefully this will be helpful for #73. - Split win_build_picture() from win_blur_background(). - Correct memory leak of ps->focus_blacklist during reinitialization. - Add win_upd_t and win_upd_run(), to reduce duplicate window property updates. But is unused right now. - Limited tests are done overall. Bugs to be expected.
* Improvement: Use select() for main loopRichard Grenville2013-01-112-157/+429
| | | | | | | | | | | | | | | | | | | - Back to using select() for main loop. Thus we are not longer relying on libevent. - Add generic timeout system (untested) to prepare for D-Bus support. - Drop troff man pages. Revise Makefile to improve documentation building, fix double LDFLAGS inclusion, and re-add -lrt. This turns asciidoc into a build time dependency. - Change fading time calculation. - Add --logpath and ostream_reopen() for debugging with -b. - Drop unused lceil_ntimes() and other helper functions. - Only very limited tests are done. Bugs to be expected.
* Bug fix #77 incorrect border_width handling & #73 window data issueRichard Grenville2013-01-092-60/+79
| | | | | | | | | | | | | | | | | | | | | | | | | | - (Hopefully) fix all incorrect handling of w->a.border_width in compton (#77). Thanks to baskerville for reporting. - Attempt to fix #73 by correcting a mistake that window data is fetched from the wrong function. Thanks to zakkak. - Add git commit/tag detection to Makefile for automatic versioning. - Change -lGL linking order, to fix a segmentation fault caused by something in nvidia-drivers under FreeBSD, mentioned in #74. Thanks for the report from DachiChang. - Link to -levent_core instead of -levent in Makefile. We might move to libev soon, though. - Increase SWOPTI_TOLERANCE to handle the extraordinary delay of kqueue() under FreeBSD. Thanks for DachiChang's report. - Add helper function dump_drawable() for debugging. - Replace XInternAtom() calls with get_atom(). - Remove -lrt as it's unneeded.
* Improvement #74: Use libevent for main loopRichard Grenville2013-01-082-272/+561
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Use libevent for main loop. I will explain the reasons in #56 later. The preferred libevent version is 2.x, yet 1.4.x should work as well. - As a result, compton now should build fine on *BSD. Thanks to DachiChang for the FreeBSD build issue report. - Another consequence is we now use microsecond-level timing all the way. Nanosecond-level code will be dropped soon. Start using long instead of unsigned long to represent time in milliseconds, as both can't hold the full epoch time in ms, anyway, and a signed type requires less care in subtraction. Wrap the epoch time in ms to 15 days. - Fix broken NO_VSYNC_DRM and NO_VSYNC_OPENGL compile-time options. - Use git revision number for versioning in Makefile, and other small improvements. - Reorganize struct _win. Drop unused w->damaged_sequence. w->damaged is turned to bool. - Add type and format to winprop_t, as preparation for the new condition format. - Add w->shadow_force and w->focus_force, to prepare for D-Bus support. - Rename wid_get_prop() to wid_get_prop_adv() with more options. Add wrapper function wid_get_prop(). - Add some extra helper functions, for D-Bus support later. - Make some functions return a bool value to indicate if it's successful. - Modify add_win(), use a static const structure to initialize the new struct _win. - Add some helper macros, like printf_err(f)(q). Make some errors fatal. - Rename some types, constants, and functions. Code clean-up. - Check for time disorder in paint_preprocess() when calculating fading steps. - Rename evpoll() to swopti_handle_timeout(), and partially rewrite it. - Make -h / --help legal. - Known issue: compton segfaults on FreeBSD with nvidia-drivers, unless NO_VSYNC_OPENGL is used. Will look into it later. Thamls to DachiChang for reporting.
* Improvement: Dynamic blur strength & improved frame blur performanceRichard Grenville2012-12-152-38/+72
| | | | | | | | | | | | | | - Remove the region expansion design in win_blur_background(). I must be sleep-walking when I wrote that! - Improve performance of blurring when a window is opaque but its frame is transparent. - Adjust blur strength according to window opacity. --blur-background-fixed restores the old behavior. - Add "use_offset" parameter to a few functions for convenience. Code clean-up.
* Feature #69: Blur window backgroundRichard Grenville2012-12-142-2/+153
| | | | | | | | | | | | - Add window background blur support (--blur-background & --blur-background-frame), with X Render convolution filter. The performance sucks. The performance when the window is opaque but frame is transparent could be improved, but there are two possible ways and I'm hesitating. - Known issue: The blurring effect looks very ungraceful during fading. I could partially fix the problem, but it probably isn't easy to fix it completely.
* Misc: Code cleanupRichard Grenville2012-12-122-82/+88
| | | | | | | | | - Move some long functions to ./src/compton.c . - Fix a small potential issue in win_set_focused() when a window with neither leader nor client window is focused. - Add DEBUG_LEADER.
* Feature #65: Auxiliary window detectionRichard Grenville2012-12-122-47/+285
| | | | | | | | | | - Add auxiliary window detection (--detect-transient & --detect-client-leader). Thanks to SmilingHorse for inspiring me. The implementation is not too speed-efficient, and bugs are to be expected. - Known issue: auxiliary window detection may not work too well with windows that are never mapped, for example as client leader.
* Feature: Wintype-based focus exclusionRichard Grenville2012-12-102-11/+42
| | | | | | | | | | | | - Add "focus" to the wintypes settings in compton.conf, to mark windows of certain window types to be always focused. Replaces the ugly is_normal_win(). - Add a ON/OFF/UNSET switch_t type, but it's unused currently. - Mark client_win if the window client detection hasn't been performed when we detect WM_STATE's presence in ev_property_notify(), for performance.
* Bug fix #68: Second attempt to fix client window detectionRichard Grenville2012-12-081-4/+16
| | | | | | | | - Attempt to fix client window detection when WM_STATE property is not yet set when the window is mapped. Thanks to kinclma1 for reporting. - Apply stricter checks for whether window is mapped in determine_evmask() and win_mark_client().
* Bug fix #68: Possible fix for failure in client window detectionRichard Grenville2012-12-072-57/+175
| | | | | | | | | | | | | | | | | | | | | | | | | - Note I'm not in the best state today (bad cold & sleep-deprived). This commit is likely to introduce bugs. - Attempt to fix client window detection failures happening when compton searches for client window before it's ready. - Fix build failure with <libpcre-8.20. Thanks to @pvanek for reporting in #51. - Move client window detection to a new function win_recheck_client(). - Add win_unmark_client(), which unmarks a client window. - Rename a few functions. - Split fetching of values of type-Window properties to a new function wid_get_prop_window(). - Add extra safety checks and assert calls to various functions, to expose potential bugs. - Fix a memory leak that w->role is not freed on window destruction.
* Feature: WM_WINDOW_ROLE matchingRichard Grenville2012-12-052-48/+130
| | | | | | | | | | | | | | | | | | | | | | | | - Add support of matching WM_WINDOW_ROLE value. Thanks to Vladimir A. Pavlov! - Thanks to Vladimir A. Pavlov for reporting the issues caused by missing client window, fixed in the last commit! - Fix a memory leak in wid_get_text_prop() and wid_get_name(). Xlib documentation did not mention how to free the value XGetTextProperty() returns, so my fix could lead to troubles. - Set focus out in unmap_win(), and add w->leader, to prepare for subsidiary window detection. - Abstract update of a single string window property to win_get_prop_str(). - Change wid_get_name() to rely on wid_get_text_prop() as much as possible. - Correct a typo in win_get_prop_str() that could cause unnecessary update of shadow state and window focus.
* Bug fix: Dynamic inactive dim & client window changesRichard Grenville2012-12-052-52/+93
| | | | | | | | | | | | | | | | | | | - Make inactive_dim opacity change according to window opacity by default, so it looks better when fading. --inactive-dim-fixed restores the old behavior. - Make client window default to the window itself. Add w->wmwin to represent whether the window looks like a WM window instead. A side effect is, the window type of WM windows are changed from unknown to normal, making it necessary to use --mark-wmwin-active to avoid considering them unfocused. - Add check of PointerRoot to recheck_focus() to avoid BadWindow errors when the root window is focused. - Add a few macros to simplify debugging code. - Add DEBUG_FRAME.
* Feature #65: --focus-excludeRichard Grenville2012-11-282-89/+151
| | | | | | | | | | | | | | | | | | | | | | | | | | | | - Add --focus-exclude, which should be used with a list of conditions to set certain windows to always be considered focused. - Change focus determination process, with a newly added w->focused_real that reflects whether the window is actually focused, while w->focused represents whether compton considers it focused. The primary difference is now when a window considered focused because of --mark-wmwin-focused or --mark-ovredir-focused receives a FocusOut event, it's still considered focused by compton. - Change opacity target and dim state calculation so that it's done at most once every paint. - Split window opacity property fetching from calc_opacity() to a new function win_update_opacity_prop(). - Silence a warning in wid_get_prop_wintype(). - Rename a few functions. Code clean-up. - My time is very limited currently, few tests are done, so this commit may very well introduce bugs. - Known issue: Dim picture opacity does not change based on window opacity, causing somehow annoying effects when a window fades off.
* Bug fix: --use-ewmh-active-win causes wrong focus state in AwesomeRichard Grenville2012-11-272-4/+16
| | | | | | | | | | | | | | - Fix a bug that causes wrong focus detection result in Awesome and maybe other window managers, when --use-ewmh-active-win is enabled and _NET_ACTIVE_WINDOW changes before the newly-focused window is mapped. - Fix a typo that causes more than one window to stay focused after a window destruction with --use-ewmh-active-win. - Fix a bug that find_clientwin() incorrectly returns a window when window ID 0 is passed to it. - Check for window ID 0 in update_ewmh_active_win().
* Bug fix: Wrong file path being displayed on config file parsing errorRichard Grenville2012-11-212-42/+57
| | | | | | | | | - Fix a bug that causes wrong file path being displayed on configuration file parsing error. - Continue dropping unused parameters and silence clang warnings. - Add conky shadow exclusion rule to compton.sample.conf.
* Feature #51: Re-initialize when SIGUSR1 is receivedRichard Grenville2012-11-192-1766/+2259
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Create a session_t structure, to get rid of most global variables and let information pass in/out mostly through parameters. Huge changes, so bugs may very well appear. I'm worried about resource leakages, in particular. - Add gcc attributes on various functions. - Add Doxygen configuration. - Replace much Xlib Bool with C99 bool. - Add and adjust some comments. - Drop unused parameters from some functions. - Cache default Visual and Depth, mainly to shorten code. - Rename some types, variables, and functions. - Add win_ev_stop() and set_ignore_next() for convenience. - Modify wid_get_prop_wintype() and wid_get_opacity_prop() to use wid_get_prop(). - Rename --respect-attr-shadow to --respect-prop-shadow. - Fix a memory leak in --respect-prop-shadow. - Many other small changes.
* Misc: Code cleanupRichard Grenville2012-11-142-32/+48
| | | | | | | - Form a function ev_window_name() for all window name detection in debugging code. - Add unredir-if-possible to configuration file options.
* Bug fix: Client window event mask not restored in map_win()Richard Grenville2012-11-102-5/+9
| | | | | | | | - Fix a bug that client window event masks are not restored in map_win(), causing further property changes to be ignored, for example. - Misc changes.
* Feature: Unredirect windows when there's a fullscreen windowRichard Grenville2012-11-092-26/+156
| | | | | | | | | | | | | | | | | | | | | | - Optionally unredirect windows when there's a fullscreen opaque window on the top of the stack (--unredir-if-possible). Experimental. Known issues: * Screen flickers when redirecting/unredirecting windows. --paint-on-overlay seemingly minimizes it (Thanks for hints from mutter), but still noticeable. * It probably does not play well with vdpau in some cases. - A debug option DEBUG_REDIR is added. - Fix a bug that reg_ignore are not expired when a CirculateNotify is received. - Add extra safe guards in some places, which could be bad for performance. - Remove some abundant code.
* Feature #16: _COMPTON_SHADOW window property supportRichard Grenville2012-11-092-10/+94
| | | | | | | | | | | | | | | - Add support for reading _COMPTON_SHADOW property from windows (--respect-attr-shadow). Presently the only defined behavior is, if _COMPTON_SHADOW is set on the highest ancestor below root window of a window (usually the WM frame), it's format is 32-bit, type is CADINAL, value is 0, the window will not get a shadow. The format and behavior could change in the future without prior notification. - Fix an issue in fork_after() that may cause some streams to remain open. My mistake. - Attempt to reduce determine_shadow() calls from map_win() by separating some raw handler functions out.
* Bug fix: Shape update of opaque windows not handled correctlyRichard Grenville2012-11-082-12/+38
| | | | | | | | | | | | | - Fix a bug that causes rendering issues if a opaque window changes shape. - Remove abundant handling code in paint_preprocess() when generating border_size as border_size() is no longer relying on XFixesCreateRegionFromWindow() right now by default. - Add extra code to print backtrace in DEBUG_ALLOC_REG. - Move initialization of fade_time closer to first paint.
* Bug fix: Window rendered incorrectly if has no border with -eRichard Grenville2012-11-061-27/+27
| | | | | | | | | | | - Fix a bug that window content and some borders are not rendered if the window has no border on particular sides when -e (frame-opacity) is enabled, introduced in 66d3f30978. Just as what I said in the commit message of the commit, "bugs are to be expected". :-S - Fix a potential segfault in win_match(). - Slightly update CPackConfig.cmake to add dependency to libdrm.
* Bug fix #61: Silence a warningRichard Grenville2012-11-041-12/+12
| | | | | | | | | - Silence a FORTIFY_SOURCE warning. Thanks to @smlx for reporting. - Add -O2 -D_FORTIFY_SOURCE=2 to default CFLAGS in Makefile. - Use a cleaner way to resolve the writing-to-freed-memory issue mentioned in last commit.
* Improvement: Add EWMH _NET_WM_ACTIVE_WINDOW supportRichard Grenville2012-11-042-94/+215
| | | | | | | | | | | | - Add support for using _NET_WM_ACTIVE_WINDOW to track focus (rather than using FocusIn/Out events) as --use-ewmh-active-win. - Add wid_get_attr() and use it in place of XGetWindowProperty() in various places. - Remove dpy parameter from find_win() and find_toplevel() as it's unused. - Fix a writing-to-freed-memory issue in paint_preprocess().
* Improvement: Focus detection & --mark-ovredir-focused changesRichard Grenville2012-11-031-6/+11
| | | | | | | | | | | - Change focus detection to filter FocusIn/Out events in an alternative way. Could break things, and may be revoked in the future. - Change --mark-ovredir-focused's semantics. Now it determines whether a window is to be unconditionally focused by checking if its client window is the window itself. This resolves a problem in window managers that set frame windows to be override-redirected (Fluxbox and i3?). Yes, I know it's bad to change semantics in this way.
* Bug fix: A XserverRegion leakRichard Grenville2012-11-032-1/+38
| | | | | | | | | - Fix a XserverRegion leak introduced in b78ab316fd. I hope this is the reason of the slowdowns many users reported. Thanks to xrestop! - Cache the screen region as a variable. - Add debugging code for region allocation.
* Misc: Code cleanup & debug code changesRichard Grenville2012-11-032-115/+106
| | | | | | | | | | | | | - Merge @daBrado's focus event debugging code. Thanks! - Use macro to reduce code redundancy in various functions. - Move focus event validation from ev_focus_out() to a separate function. - Add logic in ev_handle() to increase the chance of successful window name detection if compton is not reading window names normally (i.e. if there's no --shadow-exclude), when DEBUG_EVENTS is on.
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