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Wayland: Clean up cursor theme loading

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This commit is contained in:
Camilla Löwy 2022-07-15 13:30:14 +02:00
parent 71be34a6c3
commit 6987294df9
1 changed files with 14 additions and 17 deletions
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29
src/wl_init.c
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@ -337,35 +337,32 @@ static void createKeyTables(void)
static GLFWbool loadCursorTheme(void) static GLFWbool loadCursorTheme(void)
{ {
const char* cursorTheme; int cursorSize = 32;
const char* cursorSizeStr;
char* cursorSizeEnd;
long cursorSizeLong;
int cursorSize;
cursorTheme = getenv("XCURSOR_THEME"); const char* sizeString = getenv("XCURSOR_SIZE");
cursorSizeStr = getenv("XCURSOR_SIZE"); if (sizeString)
cursorSize = 32;
if (cursorSizeStr)
{ {
errno = 0; errno = 0;
cursorSizeLong = strtol(cursorSizeStr, &cursorSizeEnd, 10); const long cursorSizeLong = strtol(sizeString, NULL, 10);
if (!*cursorSizeEnd && !errno && cursorSizeLong > 0 && cursorSizeLong <= INT_MAX) if (errno == 0 && cursorSizeLong > 0 && cursorSizeLong < INT_MAX)
cursorSize = (int) cursorSizeLong; cursorSize = (int) cursorSizeLong;
} }
_glfw.wl.cursorTheme =
wl_cursor_theme_load(cursorTheme, cursorSize, _glfw.wl.shm); const char* themeName = getenv("XCURSOR_THEME");
_glfw.wl.cursorTheme = wl_cursor_theme_load(themeName, cursorSize, _glfw.wl.shm);
if (!_glfw.wl.cursorTheme) if (!_glfw.wl.cursorTheme)
{ {
_glfwInputError(GLFW_PLATFORM_ERROR, _glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Failed to load default cursor theme"); "Wayland: Failed to load default cursor theme");
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 = _glfw.wl.cursorThemeHiDPI =
wl_cursor_theme_load(cursorTheme, 2 * cursorSize, _glfw.wl.shm); wl_cursor_theme_load(themeName, cursorSize * 2, _glfw.wl.shm);
_glfw.wl.cursorSurface =
wl_compositor_create_surface(_glfw.wl.compositor); _glfw.wl.cursorSurface = wl_compositor_create_surface(_glfw.wl.compositor);
_glfw.wl.cursorTimerfd = timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC | TFD_NONBLOCK); _glfw.wl.cursorTimerfd = timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC | TFD_NONBLOCK);
return GLFW_TRUE; return GLFW_TRUE;
} }