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https://github.com/wolfpld/tracy.git
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Process pointer events.
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4f7fba1fed
commit
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@ -5,6 +5,7 @@
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#include "imgui/imgui_impl_opengl3_loader.h"
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#include <chrono>
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#include <linux/input-event-codes.h>
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#include <stdio.h>
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#include <string.h>
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#include <wayland-client.h>
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@ -30,11 +31,120 @@ static EGLSurface s_eglSurf;
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static struct xdg_surface* s_xdgSurf;
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static struct xdg_toplevel* s_toplevel;
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static struct wl_seat* s_seat;
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static struct wl_pointer* s_pointer;
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static bool s_running = true;
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static int s_w, s_h;
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static uint64_t s_time;
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static wl_fixed_t s_wheelAxisX, s_wheelAxisY;
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static bool s_wheel;
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static void PointerEnter( void*, struct wl_pointer* pointer, uint32_t serial, struct wl_surface* surf, wl_fixed_t sx, wl_fixed_t sy )
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{
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ImGuiIO& io = ImGui::GetIO();
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io.AddMousePosEvent( wl_fixed_to_double( sx ), wl_fixed_to_double( sy ) );
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}
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static void PointerLeave( void*, struct wl_pointer* pointer, uint32_t serial, struct wl_surface* surf )
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{
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ImGuiIO& io = ImGui::GetIO();
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io.AddMousePosEvent( -FLT_MAX, -FLT_MAX );
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}
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static void PointerMotion( void*, struct wl_pointer* pointer, uint32_t time, wl_fixed_t sx, wl_fixed_t sy )
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{
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ImGuiIO& io = ImGui::GetIO();
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io.AddMousePosEvent( wl_fixed_to_double( sx ), wl_fixed_to_double( sy ) );
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}
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static void PointerButton( void*, struct wl_pointer* pointer, uint32_t serial, uint32_t time, uint32_t button, uint32_t state )
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{
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int b;
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switch( button )
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{
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case BTN_LEFT: b = 0; break;
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case BTN_MIDDLE: b = 1; break;
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case BTN_RIGHT: b = 2; break;
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default: return;
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}
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ImGuiIO& io = ImGui::GetIO();
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io.AddMouseButtonEvent( b, state == WL_POINTER_BUTTON_STATE_PRESSED );
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}
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static void PointerAxis( void*, struct wl_pointer* pointer, uint32_t time, uint32_t axis, wl_fixed_t value )
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{
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s_wheel = true;
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if( axis == WL_POINTER_AXIS_HORIZONTAL_SCROLL )
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{
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s_wheelAxisX += value;
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}
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else
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{
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s_wheelAxisY += value;
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}
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}
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static void PointerAxisSource( void*, struct wl_pointer* pointer, uint32_t source )
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{
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}
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static void PointerAxisStop( void*, struct wl_pointer* pointer, uint32_t time, uint32_t axis )
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{
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}
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static void PointerAxisDiscrete( void*, struct wl_pointer* pointer, uint32_t axis, int32_t type )
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{
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}
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static void PointerFrame( void*, struct wl_pointer* pointer )
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{
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if( s_wheel )
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{
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s_wheel = false;
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ImGuiIO& io = ImGui::GetIO();
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io.AddMouseWheelEvent( wl_fixed_to_double( s_wheelAxisX ), wl_fixed_to_double( s_wheelAxisY ) );
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s_wheelAxisX = s_wheelAxisY = 0;
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}
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}
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constexpr struct wl_pointer_listener pointerListener = {
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.enter = PointerEnter,
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.leave = PointerLeave,
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.motion = PointerMotion,
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.button = PointerButton,
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.axis = PointerAxis,
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.frame = PointerFrame,
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.axis_source = PointerAxisSource,
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.axis_stop = PointerAxisStop,
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.axis_discrete = PointerAxisDiscrete
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};
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static void SeatCapabilities( void*, struct wl_seat* seat, uint32_t caps )
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{
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const bool hasPointer = caps & WL_SEAT_CAPABILITY_POINTER;
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if( hasPointer && !s_pointer )
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{
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s_pointer = wl_seat_get_pointer( s_seat );
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wl_pointer_add_listener( s_pointer, &pointerListener, nullptr );
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}
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else if( !hasPointer && s_pointer )
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{
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wl_pointer_release( s_pointer );
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s_pointer = nullptr;
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}
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}
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static void SeatName( void*, struct wl_seat* seat, const char* name )
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{
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}
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constexpr struct wl_seat_listener seatListener = {
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.capabilities = SeatCapabilities,
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.name = SeatName
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};
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static void WmPing( void*, struct xdg_wm_base* shell, uint32_t serial )
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{
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@ -46,21 +156,6 @@ constexpr struct xdg_wm_base_listener wmListener = {
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};
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static void SeatCapabilities( void*, struct wl_seat* seat, uint32_t caps )
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{
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}
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static void SeatName( void*, struct wl_seat* seat, const char* name )
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{
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}
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constexpr struct wl_seat_listener seatListener = {
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.capabilities = SeatCapabilities,
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.name = SeatName
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};
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static void RegistryGlobalCb( void*, struct wl_registry* reg, uint32_t name, const char* interface, uint32_t version )
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{
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if( strcmp( interface, wl_compositor_interface.name ) == 0 )
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@ -195,6 +290,7 @@ Backend::Backend( const char* title, std::function<void()> redraw, RunQueue* mai
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Backend::~Backend()
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{
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if( s_pointer ) wl_pointer_destroy( s_pointer );
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eglMakeCurrent( s_eglDpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
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eglDestroySurface( s_eglDpy, s_eglSurf );
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eglDestroyContext( s_eglDpy, s_eglCtx );
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