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Wayland cursor handling is fucking stupid.

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Bartosz Taudul 2022-11-08 00:31:57 +01:00
parent e227cfe100
commit e6f74c04d6
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1 changed files with 19 additions and 0 deletions
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19
profiler/src/BackendWayland.cpp
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@ -7,8 +7,10 @@
#include <chrono>
#include <linux/input-event-codes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wayland-client.h>
#include <wayland-cursor.h>
#include <wayland-egl.h>
#include "xdg-shell.h"
@ -32,6 +34,9 @@ static struct xdg_surface* s_xdgSurf;
static struct xdg_toplevel* s_toplevel;
static struct wl_seat* s_seat;
static struct wl_pointer* s_pointer;
static struct wl_cursor_theme* s_cursorTheme;
static struct wl_surface* s_cursorSurf;
static int32_t s_cursorX, s_cursorY;
static bool s_running = true;
static int s_w, s_h;
@ -42,6 +47,7 @@ static bool s_wheel;
static void PointerEnter( void*, struct wl_pointer* pointer, uint32_t serial, struct wl_surface* surf, wl_fixed_t sx, wl_fixed_t sy )
{
wl_pointer_set_cursor( pointer, serial, s_cursorSurf, s_cursorX, s_cursorY );
ImGuiIO& io = ImGui::GetIO();
io.AddMousePosEvent( wl_fixed_to_double( sx ), wl_fixed_to_double( sy ) );
}
@ -239,6 +245,17 @@ 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, &surfaceListener, 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;
constexpr EGLint eglConfigAttrib[] = {
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_RED_SIZE, 8,
@ -296,6 +313,8 @@ Backend::~Backend()
eglDestroyContext( s_eglDpy, s_eglCtx );
eglTerminate( s_eglDpy );
xdg_toplevel_destroy( s_toplevel );
wl_surface_destroy( s_cursorSurf );
wl_cursor_theme_destroy( s_cursorTheme );
xdg_surface_destroy( s_xdgSurf );
wl_egl_window_destroy( s_eglWin );
wl_surface_destroy( s_surf );