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wayland: add support for XCURSOR_THEME and XCURSOR_SIZE

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These can be set by the compositor or the user to configure the
xcursor theme and size.
This commit is contained in:
emersion 2018-10-10 21:49:23 +02:00 committed by linkmauve
parent cc805c0963
commit 5afcd0981b
1 changed files with 22 additions and 3 deletions
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25
src/wl_init.c
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@ -27,6 +27,8 @@
#include "internal.h" #include "internal.h"
#include <assert.h> #include <assert.h>
#include <errno.h>
#include <limits.h>
#include <linux/input.h> #include <linux/input.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
@ -958,6 +960,12 @@ static void createKeyTables(void)
int _glfwPlatformInit(void) int _glfwPlatformInit(void)
{ {
const char *cursorTheme;
const char *cursorSizeStr;
char *cursorSizeEnd;
long cursorSizeLong;
int cursorSize;
_glfw.wl.cursor.handle = _glfw_dlopen("libwayland-cursor.so.0"); _glfw.wl.cursor.handle = _glfw_dlopen("libwayland-cursor.so.0");
if (!_glfw.wl.cursor.handle) if (!_glfw.wl.cursor.handle)
{ {
@ -1078,7 +1086,18 @@ int _glfwPlatformInit(void)
if (_glfw.wl.pointer && _glfw.wl.shm) if (_glfw.wl.pointer && _glfw.wl.shm)
{ {
_glfw.wl.cursorTheme = wl_cursor_theme_load(NULL, 32, _glfw.wl.shm); cursorTheme = getenv("XCURSOR_THEME");
cursorSizeStr = getenv("XCURSOR_SIZE");
cursorSize = 32;
if (cursorSizeStr)
{
errno = 0;
cursorSizeLong = strtol(cursorSizeStr, &cursorSizeEnd, 10);
if (!*cursorSizeEnd && !errno && cursorSizeLong > 0 && cursorSizeLong <= INT_MAX)
cursorSize = (int)cursorSizeLong;
}
_glfw.wl.cursorTheme =
wl_cursor_theme_load(cursorTheme, cursorSize, _glfw.wl.shm);
if (!_glfw.wl.cursorTheme) if (!_glfw.wl.cursorTheme)
{ {
_glfwInputError(GLFW_PLATFORM_ERROR, _glfwInputError(GLFW_PLATFORM_ERROR,
@ -1086,7 +1105,8 @@ int _glfwPlatformInit(void)
return GLFW_FALSE; return GLFW_FALSE;
} }
// If this happens to be NULL, we just fallback to the scale=1 version. // If this happens to be NULL, we just fallback to the scale=1 version.
_glfw.wl.cursorThemeHiDPI = wl_cursor_theme_load(NULL, 64, _glfw.wl.shm); _glfw.wl.cursorThemeHiDPI =
wl_cursor_theme_load(cursorTheme, 2 * cursorSize, _glfw.wl.shm);
_glfw.wl.cursorSurface = _glfw.wl.cursorSurface =
wl_compositor_create_surface(_glfw.wl.compositor); wl_compositor_create_surface(_glfw.wl.compositor);
_glfw.wl.cursorTimerfd = timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC); _glfw.wl.cursorTimerfd = timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC);
@ -1189,4 +1209,3 @@ const char* _glfwPlatformGetVersionString(void)
#endif #endif
; ;
} }