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Support Hi-DPI mouse cursor.

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This commit is contained in:
Bartosz Taudul 2022-12-11 17:50:05 +01:00
parent 1f4562e51d
commit 9e6214350c
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GPG Key ID: B7FE2008B7575DF3
1 changed files with 23 additions and 10 deletions
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33
profiler/src/BackendWayland.cpp
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@ -330,6 +330,27 @@ constexpr struct xdg_toplevel_listener toplevelListener = {
.close = XdgToplevelClose
};
static void SetupCursor()
{
auto env_xcursor_theme = getenv( "XCURSOR_THEME" );
auto env_xcursor_size = getenv( "XCURSOR_SIZE" );
int size = env_xcursor_size ? atoi( env_xcursor_size ) : 24;
size *= s_maxScale;
if( s_cursorSurf ) wl_surface_destroy( s_cursorSurf );
if( s_cursorTheme ) wl_cursor_theme_destroy( s_cursorTheme );
s_cursorTheme = wl_cursor_theme_load( env_xcursor_theme, size, s_shm );
auto cursor = wl_cursor_theme_get_cursor( s_cursorTheme, "left_ptr" );
s_cursorSurf = wl_compositor_create_surface( s_comp );
if( s_maxScale != 1 ) wl_surface_set_buffer_scale( s_cursorSurf, s_maxScale );
wl_surface_attach( s_cursorSurf, wl_cursor_image_get_buffer( cursor->images[0] ), 0, 0 );
wl_surface_commit( s_cursorSurf );
s_cursorX = cursor->images[0]->hotspot_x / s_maxScale;
s_cursorY = cursor->images[0]->hotspot_y / s_maxScale;
}
Backend::Backend( const char* title, std::function<void()> redraw, RunQueue* mainThreadTasks )
{
s_redraw = redraw;
@ -354,16 +375,7 @@ Backend::Backend( const char* title, std::function<void()> redraw, RunQueue* mai
s_xdgSurf = xdg_wm_base_get_xdg_surface( s_wm, s_surf );
xdg_surface_add_listener( s_xdgSurf, &xdgSurfaceListener, nullptr );
auto env_xcursor_theme = getenv( "XCURSOR_THEME" );
auto env_xcursor_size = getenv( "XCURSOR_SIZE" );
s_cursorTheme = wl_cursor_theme_load( env_xcursor_theme, env_xcursor_size ? atoi( env_xcursor_size ) : 24, s_shm );
auto cursor = wl_cursor_theme_get_cursor( s_cursorTheme, "left_ptr" );
s_cursorSurf = wl_compositor_create_surface( s_comp );
wl_surface_attach( s_cursorSurf, wl_cursor_image_get_buffer( cursor->images[0] ), 0, 0 );
wl_surface_commit( s_cursorSurf );
s_cursorX = cursor->images[0]->hotspot_x;
s_cursorY = cursor->images[0]->hotspot_y;
SetupCursor();
constexpr EGLint eglConfigAttrib[] = {
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
@ -487,6 +499,7 @@ void Backend::NewFrame( int& w, int& h )
{
if( s_prevScale != s_maxScale )
{
SetupCursor();
wl_surface_set_buffer_scale( s_surf, s_maxScale );
s_prevScale = s_maxScale;
}