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2013-12-02cursor: handle running out of buffer spacePekka Paalanen1-16/+51
If posix_fallocate is available, use it to detect when we are running out of buffer space. Propagate the failure properly through the various functions, stopping loading cursors but keeping the cursors that were already successfully loaded. This may result in an animated cursor not having all of its images, or a cursor theme not having all of its cursors. When that happens, the failure is NOT communicated to the application. Instead, the application will get NULL from wl_cursor_theme_get_cursor() for a cursor that was not loaded successfully. If an animated cursor is missing only some images, the animation is truncated but the cursor is still available. This patch relies on the commit "os: use posix_fallocate in creating sharable buffers" for defining HAVE_POSIX_FALLOCATE. Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
2013-12-02os: use posix_fallocate in creating sharable buffersPekka Paalanen1-1/+18
If posix_fallocate is available, use it instead of ftruncate. Unlike ftruncate, when posix_fallocate succeeds, it guarantees that you cannot run out of disk space, when later writing to the mmap()'ed file. With posix_fallocate, if os_create_anonymous_file() succeeds, the program cannot get a SIGBUS later from accessing this file via mmap. If there is insufficient disk space, the function fails and errno is set to ENOSPC. This is useful on systems, that limit the available buffer space by having XDG_RUNTIME_DIR on a small tmpfs. Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
2013-10-21wayland: Be consistent about #include-guard namesKristian Høgsberg1-2/+2
We had a mix of inconsistent names, some of which were non-conformant. Standardize on all-uppercase-and-underscore naming convention. https://bugs.freedesktop.org/show_bug.cgi?id=70679
2012-11-27pkgconfig: Use configure provided directoriesQuentin Glidic1-4/+4
https://bugs.freedesktop.org/show_bug.cgi?id=57630
2012-10-19Move ARRAY_LENGTH out of public headersKristian Høgsberg1-0/+2
Exporting unprefixed symbols is a pretty bad idea so don't do that. Instea of redefining it WL_ARRAY_LENGTH, we just move the define to our private header. The scanner generates code that uses ARRAY_LENGTH, but we can just make it count the number elements and emit an integer constant instead.
2012-10-09Ensure cursor_data.c is included in distribution tarballsthreadsMatt Roper4-2/+3
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
2012-10-09xcursor: Fix allocation based on string lengthRob Bradford1-1/+1
strlen() doesn't include the terminating NUL. Therefore when allocating a block of memory to hold something equivalent to the length of the string we must increment to take the NUL byte into consideration. Signed-off-by: Rob Bradford <rob@linux.intel.com>
2012-09-10cursor: add cursor.pcf and extraction programPhilipp Brüschweiler2-0/+531
2012-09-10cursor: Add a default cursor themePhilipp Brüschweiler2-1/+618
This theme is loaded when the specified cursor theme can not be found. These cursors are extracted from the xorg sources and transformed into raw ARGB data by a small helper program (commited separately).
2012-08-13Add support for X cursor themes.Christopher Michael1-1/+1
This patch adds a few more directories to search for xcursor themes. Along with the weston patch, this adds the ability to configure weston to use an X11 cursor theme. Previously, wayland cursor would just look in the icons and pixmaps directories for cursor images to load. This adds the ability to also search in the x cursors directory.
2012-07-26Don't skip the first directory entry when reading cursors.Dima Ryazanov1-1/+0
I end up missing the "bottom_right_corner" cursor.
2012-07-10cursor: fix fd leak and a segfaultPekka Paalanen1-0/+6
- don't leak fd in shm_pool_destroy() - return NULL from wl_cursor_theme_load() if pool fails Tha last one fixes a segfault, when shm_pool_create() has failed. Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
2012-07-10cursor: use os_create_anonymous_file()Pekka Paalanen4-6/+164
Copy the implementation of os_create_anonymous_file() here from weston, so we can use it instead of hardcoding a path to /tmp. Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
2012-07-09wayland-cursor: Add error handling for shm_pool_create()Martin Olsson1-9/+11
2012-06-19wayland-cursor: Plug leak of filename on load_all_cursors_from_dir()Ander Conselvan de Oliveira1-1/+4
2012-06-18Xcursor: Don't ignore unknown file typesDaniel Stone1-1/+2
XFS doesn't return the file type with opendir(), and instead only returns it when you stat() the file itself. c66f2602 introduced a check to ensure that only files and symlinks were loaded, while not checking for DT_UNKNOWN. Properly handle DT_UNKNOWN by just proceeding anyway. Signed-off-by: Daniel Stone <daniel@fooishbar.org>
2012-06-15cursor: Add function for calculating current frame in cursor animationAnder Conselvan de Oliveira2-7/+45
Given a pointer to struct wl_cursor and an elapsed time in ms., wl_cursor_frame() will return the index of the cursor image the should be displayed.
2012-06-08wayland-cursor: add an option that changes the cursor theme directoryAnder Conselvan de Oliveira1-1/+5
Some distros (e.g. gentoo) install cursor themes in non-standard directories. Add option --with-icondir to configure.sh that sets the directory in which to look for cursors.
2012-05-31cursor: Fix warning with objdir != srcdir buildDaniel Stone1-1/+1
Make sure we find the right include paths. krh: Edited to use $(top_builddir) Signed-off-by: Daniel Stone <daniel@fooishbar.org>
2012-05-29build: add uninstalled pkg-config filesPekka Paalanen1-0/+8
Required for building apps against wayland libraries that have not been installed. Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
2012-05-29cursor: Link libwayland-cursor to libwayland-clientRob Bradford1-1/+1
LDADD is only used when linking programs not libraries. Spotted-by: Pekka Paalanen <ppaalanen@gmail.com>
2012-05-25wayland-cursor: load all cursors from a theme on wl_cursor_theme_loadAnder Conselvan de Oliveira3-53/+145
2012-05-25wayland-cursor: remove enum wl_cursor_typeAnder Conselvan de Oliveira2-39/+3
Defining a list of all cursors a theme, client or toolkit should have is not the purpose of libwayland-cursor. The cursor type enum existed for making lookups faster, but this kind of optmization belongs in the toolkits.
2012-05-23Wayland: Add missing extern "C"Yan Wang1-0/+8
Add extern "C" macro definition for C++.
2012-05-22cursor: Fix unsigned/signed comparisonsKristian Høgsberg1-3/+3
2012-05-22Introduce libwayland-cursor, a cursor helper libraryAnder Conselvan de Oliveira6-0/+1372
The purpose of this library is to be the equivalent of libXcursor in the X world. This library is compatible with X cursor themes and loads them directly into an shm pool making it easy for the clients to get buffer for each cursor image. The code for handling the X cursor theme was taken from libXcursor. The files cursor/xcursor.[ch] are a stripped down version of that library containing only the interfaces necessary for implementing the wayland counterpart.
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