Размер не зависит от ширины

nasm.code-workspace

@@ -16,7 +16,16 @@
 		"editor.codeLens": false,
 		"files.associations": {
 			"flake.lock": "json",
-			"ios": "c"
+			"ios": "c",
+			"cstdint": "c",
+			"array": "c",
+			"string": "c",
+			"string_view": "c",
+			"ranges": "c",
+			"span": "c",
+			"vector": "c",
+			"regex": "c",
+			"__node_handle": "c"
 		},
 	}
 }

wayland/.ignore

@@ -0,0 +1,2 @@
+**/build/
+**/out/

wayland/CMakeLists.txt

@@ -4,7 +4,7 @@ project(wayland)
 
 enable_language(ASM_NASM)
 
-set(CMAKE_ASM_NASM_FLAGS "-f elf64")
+set(CMAKE_ASM_NASM_FLAGS "-f elf64 -I${CMAKE_CURRENT_BINARY_DIR}")
 set(CMAKE_ASM_NASM_FLAGS_DEBUG "-gdwarf")
 
 find_package(PkgConfig REQUIRED)
@@ -39,6 +39,19 @@ add_custom_command(
 # Цель для генерации протокола
 add_custom_target(generate-xdg-shell DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/xdg-shell-client-protocol.h ${CMAKE_CURRENT_BINARY_DIR}/xdg-shell-client-protocol.c)
 
+# Генерируем offsets.inc
+add_executable(generate-offsets ${CMAKE_CURRENT_SOURCE_DIR}/generate-offsets.c)
+target_include_directories(generate-offsets PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include)
+
+add_custom_command(
+    OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/offsets.inc
+    COMMAND generate-offsets > ${CMAKE_CURRENT_BINARY_DIR}/offsets.inc
+    DEPENDS generate-offsets
+    COMMENT "Generating offsets.inc"
+)
+
+add_custom_target(generate-offsets-file DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/offsets.inc)
+
 # Создаем исполняемый файл из ассемблерного, C и сгенерированного кода
 file(GLOB_RECURSE WAYLAND_SOURCES CONFIGURE_DEPENDS
     "${CMAKE_CURRENT_SOURCE_DIR}/src/*.c"
@@ -53,7 +66,7 @@ list(APPEND WAYLAND_SOURCES ${CMAKE_CURRENT_BINARY_DIR}/xdg-shell-client-protoco
 add_executable(wayland ${WAYLAND_SOURCES})
 
 # Ensure generated files are produced before building the target
-add_dependencies(wayland generate-xdg-shell)
+add_dependencies(wayland generate-xdg-shell generate-offsets-file)
 
 # Include headers and binary dir where generated headers are written
 target_include_directories(wayland PRIVATE

wayland/generate-offsets.c

@@ -0,0 +1,30 @@
+/* generate-offsets.c
+ * Генерирует offsets.inc с смещениями полей структур
+ */
+
+#include <stdio.h>
+#include <stddef.h>
+#include "window.h"
+
+int main(void) {
+    printf("; offsets.inc — generated automatically\n");
+    
+    // window_draw_info offsets
+    printf("WDI_DATA equ %zu\n", offsetof(struct window_draw_info, data));
+    printf("WDI_WIDTH equ %zu\n", offsetof(struct window_draw_info, width));
+    printf("WDI_HEIGHT equ %zu\n", offsetof(struct window_draw_info, height));
+    printf("WDI_FIGURE equ %zu\n", offsetof(struct window_draw_info, figure));
+    printf("WDI_FIGURE_MUTEX equ %zu\n", offsetof(struct window_draw_info, figure_mutex));
+    printf("\n");
+    
+    // figure_animation_info offsets
+    printf("FIG_TYPE equ %zu\n", offsetof(struct figure_animation_info, type));
+    printf("FIG_POSITION equ %zu\n", offsetof(struct figure_animation_info, position));
+    printf("FIG_VELOCITY equ %zu\n", offsetof(struct figure_animation_info, velocity));
+    printf("FIG_ANGLE equ %zu\n", offsetof(struct figure_animation_info, angle));
+    printf("FIG_ANG_VEL equ %zu\n", offsetof(struct figure_animation_info, angular_velocity));
+    printf("FIG_SPEED equ %zu\n", offsetof(struct figure_animation_info, speed));
+    printf("FIG_RADIUS equ %zu\n", offsetof(struct figure_animation_info, radius));
+    
+    return 0;
+}

wayland/include/figure-animate.h

@@ -0,0 +1,9 @@
+#ifndef FIGURE_ANIMATE_H
+#define FIGURE_ANIMATE_H
+
+#include "window.h"
+
+/* Провести один шаг анимации на окне */
+void figure_animation_step(struct window_draw_info* draw_info);
+
+#endif

wayland/include/figure-draw.h

@@ -0,0 +1,9 @@
+#ifndef FIGURE_DRAW_H
+#define FIGURE_DRAW_H
+
+#include "window.h"
+
+/* Нарисовать фигуру на холсте */
+void figure_draw(struct window_draw_info* draw_info, float border_thikness, uint32_t border_color, uint32_t fill_color);
+
+#endif

wayland/include/figure.h

@@ -0,0 +1,37 @@
+#ifndef FIGURE_H
+#define FIGURE_H
+
+#include "geomerty.h"
+
+enum figure_type 
+{
+    FIGURE_CIRCLE = 0,
+    FIGURE_TRIANGLE = 1,
+    FIGURE_SQUARE = 2
+};
+
+struct figure_animation_info {
+    enum figure_type type;
+    struct vec2 position;
+    /* Direction vector; its components are not in pixels. Anim code converts
+     * them to pixel-space and normalizes them so that `speed` is applied as
+     * pixels/sec uniformly in both axes (aspect ratio is accounted for). */
+    struct vec2 velocity;
+
+    float angle;
+    float angular_velocity;
+
+    /* Speed in pixels per second. This value is applied uniformly to both
+     * axes (X and Y); the animation code converts this pixel speed to
+     * normalized increments for position updates taking window aspect ratio
+     * into account. */
+    float speed;
+    /* Radius of the figure in pixels (float)
+     * This field is used by animation code to check collisions
+     * with the left/right/top/bottom borders. The animation code
+     * will convert this pixel radius to normalized coordinates for
+     * collision checks against normalized positions. */
+    float radius;
+};
+
+#endif

wayland/include/geomerty.h

@@ -0,0 +1,9 @@
+#ifndef GEOMETRY_H
+#define GEOMETRY_H
+
+struct vec2 {
+    float x;
+    float y;
+};
+
+#endif

wayland/include/input-handle.h

@@ -0,0 +1,10 @@
+#ifndef INPUT_HANDLE_H
+#define INPUT_HANDLE_H
+
+#include <xkbcommon/xkbcommon.h>
+#include "window.h"
+#include "input.h"
+
+void keyboard_key_handle(xkb_keycode_t kc, xkb_keysym_t ks, enum keyboard_key_state state, struct wayland_window* window);
+
+#endif

wayland/include/input.h

@@ -8,7 +8,19 @@ void input_register_seat(struct wl_seat *seat);
 /* Очистка input (разрушить keyboard и xkb state) */
 void input_cleanup(void);
 
-/* Возвращает wl_surface, имеющую фокус клавиатуры или NULL */
-struct wl_surface *input_get_keyboard_focus(void);
+enum keyboard_key_state {
+	/**
+	 * key is not pressed
+	 */
+	KEYBOARD_KEY_STATE_RELEASED = 0,
+	/**
+	 * key is pressed
+	 */
+	KEYBOARD_KEY_STATE_PRESSED = 1,
+	/**
+	 * key was repeated
+	 */
+	KEYBOARD_KEY_STATE_REPEATED = 2,
+};
 
 #endif

wayland/include/wayland-runtime.h

@@ -15,4 +15,7 @@ void wait_for_windows(void);
 /* Остановить оконные потоки, очистить input и закрыть соединение Wayland */
 void destroy_wayland(void);
 
+/* Поиск окна по wl_surface */
+struct wayland_window* get_window_by_surface(struct wl_surface* surf);
+
 #endif

wayland/include/window.h

@@ -1,7 +1,17 @@
 #ifndef WAYLAND_WINDOW_H
 #define WAYLAND_WINDOW_H
 
+#include <pthread.h>
 #include <wayland-client.h>
+#include "figure.h"
+
+struct window_draw_info {
+    uint8_t *data;
+    int32_t width;
+    int32_t height;
+    struct figure_animation_info figure;
+    pthread_mutex_t figure_mutex;
+};
 
 /* Данные одного Wayland-окна (одна поверхность) */
 struct wayland_window {
@@ -12,13 +22,11 @@ struct wayland_window {
     struct xdg_surface *xdg_surface;
     struct xdg_toplevel *xdg_toplevel;
     struct wl_event_queue *queue; /* очередь событий для окна */
-    uint8_t *data;
-    int32_t width;
-    int32_t height;
+    struct window_draw_info draw_info;
     int need_close;
-    uint8_t color;
 };
 
+
 /* Инициализация окна; структура предоставляется вызывающим */
 int window_init(struct wl_display *display, struct wl_event_queue *queue, struct wayland_window *win);
 

wayland/src/asm.asm

@@ -14,8 +14,6 @@ main:
 
     ; Launch the first window thread (duplicate calls for more windows)
     call run_window
-    call run_window
-    call run_window
 
     call wait_for_windows
 

wayland/src/figure-animate.asm

@@ -0,0 +1,203 @@
+; Подключаем автоматически сгенерированные offsets из C структур
+%include "offsets.inc"
+
+section .text
+
+; void animation_step(struct window_draw_info* draw_info);
+; Параметры:
+;   rdi - указатель на struct window_draw_info
+global figure_animation_step
+figure_animation_step:
+    ; Создаём локальную область на стеке и будем туда копировать поля структуры
+    enter 0, 0
+    ; rdi - pointer to struct window_draw_info
+    ; figure is embedded at offset WDI_FIGURE
+    mov rax, rdi
+    add rax, WDI_FIGURE
+
+    ; --- compute movement increments so that `speed` means pixels/second
+    ; Convert velocity to pixel-space (vx = vel.x * width, vy = vel.y * height),
+    ; normalize that vector and apply `speed*dt` so movement in pixel units equals speed.
+    ; using SSE for float math
+    movss xmm0, dword [rax + FIG_SPEED]    ; xmm0 = speed (pixels/sec)
+    movss xmm9, [rel DT]                   ; xmm9 = dt
+    mulss xmm0, xmm9                       ; xmm0 = speed * dt (pixels)
+
+    ; load width/height
+    mov ebx, dword [rdi + WDI_WIDTH]
+    cvtsi2ss xmm10, ebx                    ; xmm10 = width
+    mov ebx, dword [rdi + WDI_HEIGHT]
+    cvtsi2ss xmm11, ebx                    ; xmm11 = height
+
+    ; vx_pixels = vel.x * width
+    movss xmm1, dword [rax + FIG_VELOCITY] ; vel.x
+    mulss xmm1, xmm10                       ; xmm1 = vx_pixels
+
+    ; vy_pixels = vel.y * height
+    movss xmm2, dword [rax + FIG_VELOCITY + 4]
+    mulss xmm2, xmm11                       ; xmm2 = vy_pixels
+
+    ; length = sqrt(vx^2 + vy^2)
+    movss xmm3, xmm1
+    mulss xmm3, xmm1                        ; xmm3 = vx^2
+    movss xmm4, xmm2
+    mulss xmm4, xmm4                        ; xmm4 = vy^2
+    addss xmm3, xmm4                        ; xmm3 = vx^2 + vy^2
+    sqrtss xmm3, xmm3                       ; xmm3 = length (pixels)
+
+    ; if length == 0 -> skip movement
+    ucomiss xmm3, [rel ZERO_CONST]
+    je .skip_move
+
+    ; scalar = (speed * dt) / length
+    movss xmm4, xmm0                        ; xmm4 = speed*dt
+    divss xmm4, xmm3                        ; xmm4 = scalar
+
+    ; dx = vel.x * scalar
+    movss xmm1, dword [rax + FIG_VELOCITY]
+    mulss xmm1, xmm4
+    movss xmm2, dword [rax + FIG_POSITION] ; position.x
+    addss xmm2, xmm1
+    movss dword [rax + FIG_POSITION], xmm2
+
+    ; dy = vel.y * scalar
+    movss xmm1, dword [rax + FIG_VELOCITY + 4]
+    mulss xmm1, xmm4
+    movss xmm2, dword [rax + FIG_POSITION + 4]
+    addss xmm2, xmm1
+    movss dword [rax + FIG_POSITION + 4], xmm2
+
+.skip_move:
+
+    ; rotate: angle += angular_velocity * dt
+    movss xmm3, dword [rax + FIG_ANG_VEL]
+    mulss xmm3, [rel DT]
+    movss xmm4, dword [rax + FIG_ANGLE]
+    addss xmm4, xmm3
+    movss dword [rax + FIG_ANGLE], xmm4
+
+    ; If circle -> call collision check helper
+    mov ecx, dword [rax + FIG_TYPE]
+    cmp ecx, 0
+    jne .no_collision_check
+    ; pass pointer to window_draw_info (original rdi) in rdi
+    ; rdi already has draw_info pointer
+    call figure_check_collision_circle
+
+.no_collision_check:
+    
+    leave
+    ret
+
+
+; helper: check collision for circle and reflect velocity & angular velocity
+; rdi - pointer to struct window_draw_info
+global figure_check_collision_circle
+figure_check_collision_circle:
+    push rbx
+    ; rdi -> window_draw_info
+    ; rax -> figure_animation_info
+    mov rax, rdi
+    add rax, WDI_FIGURE
+
+    movss xmm0, dword [rax + FIG_POSITION]      ; pos.x
+    movss xmm1, dword [rax + FIG_POSITION + 4]  ; pos.y
+
+    movss xmm2, dword [rax + FIG_VELOCITY]      ; vel.x
+    movss xmm3, dword [rax + FIG_VELOCITY + 4]  ; vel.y
+
+    movss xmm4, dword [rax + FIG_ANG_VEL]       ; angvel
+
+    ; radius is stored in figure as pixel count (float)
+    ; we keep positions normalized (0..1) so convert radius to normalized
+    ; coordinates for x and y: r_x = radius / width, r_y = radius / height
+    movss xmm5, dword [rax + FIG_RADIUS]   ; xmm5 = radius_pixels
+
+    ; load width/height from window_draw_info
+    mov ebx, dword [rdi + WDI_WIDTH]
+    cvtsi2ss xmm10, ebx   ; xmm10 = width
+    mov ebx, dword [rdi + WDI_HEIGHT]
+    cvtsi2ss xmm11, ebx   ; xmm11 = height
+
+    ; compute r_x = radius / width
+    movss xmm12, xmm5
+    divss xmm12, xmm10    ; xmm12 = r_x
+
+    ; compute r_y = radius / height
+    movss xmm13, xmm5
+    divss xmm13, xmm11    ; xmm13 = r_y
+
+    ; left edge: pos.x < r_x ?
+    ucomiss xmm0, xmm12
+    jae .check_right
+    ; pos.x = radius
+    movss dword [rax + FIG_POSITION], xmm12
+    ; vel.x = -vel.x
+    movss xmm6, xmm2
+    mulss xmm6, [rel NEG_ONE]
+    movss dword [rax + FIG_VELOCITY], xmm6
+    ; invert angular velocity
+    movss xmm7, xmm4
+    mulss xmm7, [rel NEG_ONE]
+    movss dword [rax + FIG_ANG_VEL], xmm7
+    jmp .done_x
+
+.check_right:
+    ; pos.x + radius > 1 ?
+    movss xmm8, [rel ONE_CONST]
+    addss xmm8, xmm12         ; xmm8 = 1 + r_x
+    ; Actually want pos.x + radius > 1 <=> pos.x > 1 - radius
+    ; compute bound = 1 - r_x
+    movss xmm9, [rel ONE_CONST]
+    subss xmm9, xmm12
+    ucomiss xmm0, xmm9
+    jbe .done_x
+    ; pos.x = 1 - radius
+    movss dword [rax + FIG_POSITION], xmm9
+    ; vel.x = -vel.x
+    movss xmm6, xmm2
+    mulss xmm6, [rel NEG_ONE]
+    movss dword [rax + FIG_VELOCITY], xmm6
+    ; invert angular velocity
+    movss xmm7, xmm4
+    mulss xmm7, [rel NEG_ONE]
+    movss dword [rax + FIG_ANG_VEL], xmm7
+
+.done_x:
+    ; check bottom / top boundaries for y
+    ; bottom: pos.y < r_y
+    ucomiss xmm1, xmm13
+    jae .check_top2
+    movss dword [rax + FIG_POSITION + 4], xmm13
+    movss xmm6, xmm3
+    mulss xmm6, [rel NEG_ONE]
+    movss dword [rax + FIG_VELOCITY + 4], xmm6
+    ; invert angular
+    movss xmm7, xmm4
+    mulss xmm7, [rel NEG_ONE]
+    movss dword [rax + FIG_ANG_VEL], xmm7
+    jmp .done_y
+
+.check_top2:
+    ; top: pos.y > 1 - r_y
+    movss xmm9, [rel ONE_CONST]
+    subss xmm9, xmm13
+    ucomiss xmm1, xmm9
+    jbe .done_y
+    movss dword [rax + FIG_POSITION + 4], xmm9
+    movss xmm6, xmm3
+    mulss xmm6, [rel NEG_ONE]
+    movss dword [rax + FIG_VELOCITY + 4], xmm6
+    movss xmm7, xmm4
+    mulss xmm7, [rel NEG_ONE]
+    movss dword [rax + FIG_ANG_VEL], xmm7
+
+.done_y:
+    pop rbx
+    ret
+
+section .rodata
+DT:           dd 0.1
+NEG_ONE:      dd -1.0
+ONE_CONST:    dd 1.0
+ZERO_CONST:   dd 0.0

wayland/src/figure-draw.c

@@ -0,0 +1,110 @@
+#include <math.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include "figure-draw.h"
+
+/* C implementation of the drawing routine. The .asm file simply forwards to this
+ * function so we keep the symbol present in an assembly file. */
+void figure_draw(struct window_draw_info* draw_info, float border_thickness, uint32_t border_color, uint32_t fill_color)
+{
+    if (!draw_info || !draw_info->data)
+        return;
+
+    int w = draw_info->width;
+    int h = draw_info->height;
+    uint32_t *pixels = (uint32_t *)draw_info->data;
+
+    struct figure_animation_info fig = draw_info->figure;
+
+    /* center in pixels */
+    float cx = fig.position.x * (float)w;
+    float cy = fig.position.y * (float)h;
+    /* `fig.radius` is in pixels now; use it directly. */
+    float r = fig.radius;
+    float r2 = r * r;
+    float border = border_thickness;
+    if (border < 0.0f) border = 0.0f;
+
+    /* bounding box */
+    int minx = (int)floorf(cx - r);
+    int maxx = (int)ceilf(cx + r);
+    int miny = (int)floorf(cy - r);
+    int maxy = (int)ceilf(cy + r);
+    /* make sure we don't go out of bounds */
+    if (miny < 0) miny = 0;
+    if (minx < 0) minx = 0;
+    if (maxy >= h) maxy = h - 1;
+    if (maxx >= w) maxx = w - 1;
+
+    /* We'll compute pixel centers at (x + 0.5f, y + 0.5f) */
+    for (int y = miny; y <= maxy; ++y)
+    {
+        float py = (float)y + 0.5f;
+        for (int x = minx; x <= maxx; ++x)
+        {
+            float px = (float)x + 0.5f;
+            int draw = 0;
+            int border_pixel = 0;
+            switch (fig.type)
+            {
+            case FIGURE_CIRCLE:
+            {
+                float dx = px - cx;
+                float dy = py - cy;
+                float d2 = dx*dx + dy*dy;
+                if (d2 <= r2)
+                {
+                    draw = 1;
+                    if (d2 >= (r - border)*(r - border))
+                        border_pixel = 1;
+                }
+                break;
+            }
+            case FIGURE_SQUARE:
+            {
+                float dx = fabsf(px - cx);
+                float dy = fabsf(py - cy);
+                if (dx <= r && dy <= r)
+                {
+                    draw = 1;
+                    if (fmaxf(dx, dy) >= r - border)
+                        border_pixel = 1;
+                }
+                break;
+            }
+            case FIGURE_TRIANGLE:
+            {
+                /* Equilateral triangle centered at cx,cy. Apex up. *
+                 * Vertices: A=(cx, cy - r), B=(cx + r*0.866, cy + r*0.5), C=(cx - r*0.866, cy + r*0.5) */
+                float v1x = r * 0.8660254037844386f;
+                float v1y = r * 0.5f;
+                float ax = cx; float ay = cy - r;
+                float bx = cx + v1x; float by = cy + v1y;
+                float cx2 = cx - v1x; float cy2 = by;
+
+                /* barycentric tests: point inside triangle if all cross products have same sign */
+                float s1 = (px - bx)*(ay - by) - (ax - bx)*(py - by);
+                float s2 = (px - cx2)*(by - cy2) - (bx - cx2)*(py - cy2);
+                float s3 = (px - ax)*(cy2 - ay) - (cx2 - ax)*(py - ay);
+                int neg = (s1 < 0) + (s2 < 0) + (s3 < 0);
+                int pos = (s1 > 0) + (s2 > 0) + (s3 > 0);
+                if (neg == 0 || pos == 0)
+                {
+                    draw = 1;
+                }
+                break;
+            }
+            default:
+                break;
+            }
+
+            if (draw)
+            {
+                uint32_t col = border_pixel ? border_color : fill_color;
+                pixels[y * w + x] = col;
+            }
+        }
+    }
+}
+
+/* C symbol exported to be called by minimal assembly wrapper */

wayland/src/input-handle.c

@@ -0,0 +1,38 @@
+#include "input-handle.h"
+#include "wayland-runtime.h"
+
+void keyboard_key_handle(xkb_keycode_t kc, xkb_keysym_t ks, enum keyboard_key_state state, struct wayland_window *window)
+{
+    if (ks != XKB_KEY_NoSymbol)
+    {
+        char buf[64];
+        int n = xkb_keysym_to_utf8(ks, buf, sizeof(buf));
+       
+        if (n > 0)
+            printf("keyboard: symbol '%s' (keysym 0x%x) on surface:%p\n", buf, ks, window);
+        else
+            printf("keyboard: keysym 0x%x (no UTF-8 representation)\n", ks);
+
+        if(state == KEYBOARD_KEY_STATE_PRESSED) 
+        {
+            switch (ks)
+            {
+            case XKB_KEY_Return:
+                run_window();
+                break;
+            
+            case '1':
+                window->draw_info.figure.type = FIGURE_CIRCLE;
+                break;
+            case '2':
+                window->draw_info.figure.type = FIGURE_TRIANGLE;
+                break;
+            case '3':
+                window->draw_info.figure.type = FIGURE_SQUARE;
+                break;
+            default:
+                break;
+            }
+        }
+    }
+}

wayland/src/input.c

@@ -1,4 +1,3 @@
-#include "input.h"
 #include <stdio.h>
 #include <xkbcommon/xkbcommon.h>
 #include <wayland-client.h>
@@ -7,12 +6,17 @@
 #include <fcntl.h>
 #include <string.h>
 
+#include "input.h"
+#include "input-handle.h"
+#include "wayland-runtime.h"
+#include "window.h"
+
 static struct wl_seat *seat = NULL;
 static struct wl_keyboard *keyboard = NULL;
 static struct xkb_context *xkb_ctx = NULL;
 static struct xkb_keymap *xkb_keymap = NULL;
 static struct xkb_state *xkb_state = NULL;
-static struct wl_surface *keyboard_focus = NULL;
+static struct wayland_window* focused_window = NULL;
 
 /* Обработчики клавиатуры */
 static void keyboard_keymap(void *data, struct wl_keyboard *keyboard, uint32_t format, int fd, uint32_t size)
@@ -68,40 +72,29 @@ static void keyboard_enter(void *data, struct wl_keyboard *keyboard, uint32_t se
 {
     printf("keyboard: enter serial=%u surface=%p\n", serial, surface);
     /* Сохраняем поверхность, которая получила фокус клавиатуры */
-    keyboard_focus = surface;
+    focused_window = get_window_by_surface(surface);
 }
 
 static void keyboard_leave(void *data, struct wl_keyboard *keyboard, uint32_t serial, struct wl_surface *surface)
 {
     printf("keyboard: leave serial=%u surface=%p\n", serial, surface);
     /* Если уходим с фокусной поверхности — сбросить фокус */
-    if (keyboard_focus == surface)
-        keyboard_focus = NULL;
+    if (focused_window && focused_window->wl_surface == surface)
+        focused_window = NULL;
 }
 
 static void keyboard_key(void *data, struct wl_keyboard *keyboard, uint32_t serial, uint32_t time, uint32_t key, uint32_t state)
 {
-    const char *s = (state == WL_KEYBOARD_KEY_STATE_PRESSED)    ? "PRESSED"
-                    : (state == WL_KEYBOARD_KEY_STATE_RELEASED) ? "RELEASED"
-                    : (state == WL_KEYBOARD_KEY_STATE_REPEATED) ? "REPEATED"
-                                                                : "Unknown";
-    /* Отладочный вывод удалён */
+    enum keyboard_key_state key_state = (state == WL_KEYBOARD_KEY_STATE_PRESSED) ? KEYBOARD_KEY_STATE_PRESSED
+                    : (state == WL_KEYBOARD_KEY_STATE_REPEATED) ? KEYBOARD_KEY_STATE_REPEATED 
+                    : KEYBOARD_KEY_STATE_RELEASED;
 
-    if (xkb_state && keyboard_focus)
+    if (xkb_state && focused_window)
     {
         xkb_keycode_t kc = (xkb_keycode_t)key + 8;
         xkb_keysym_t ks = xkb_state_key_get_one_sym(xkb_state, kc);
-        if (ks != XKB_KEY_NoSymbol)
-        {
-            char buf[64];
-            int n = xkb_keysym_to_utf8(ks, buf, sizeof(buf));
-            if (ks == XKB_KEY_Return)
-                sprintf(buf, "Return");
-            if (n > 0)
-                printf("keyboard: symbol '%s' (keysym 0x%x) on surface:%p\n", buf, ks, keyboard_focus);
-            else
-                printf("keyboard: keysym 0x%x (no UTF-8 representation)\n", ks);
-        }
+    
+        keyboard_key_handle(kc, ks, key_state, focused_window);
     }
 }
 
@@ -207,10 +200,5 @@ void input_cleanup(void)
         xkb_context_unref(xkb_ctx);
         xkb_ctx = NULL;
     }
-    keyboard_focus = NULL;
-}
-
-struct wl_surface *input_get_keyboard_focus(void)
-{
-    return keyboard_focus;
+    focused_window = NULL;
 }

wayland/src/registry.c

@@ -218,3 +218,4 @@ struct xdg_wm_base *registry_get_xdg_wm_base(void)
 {
     return global_wm_base;
 }
+

wayland/src/wayland-runtime.c

@@ -5,17 +5,20 @@
 #include <stdio.h>
 #include <string.h>
 #include <wayland-client.h>
+#include <unistd.h>
 
 #include "input.h"
 #include "registry.h"
-#include "wayland_runtime.h"
+#include "wayland-runtime.h"
 #include "window.h"
+#include "figure-animate.h"
 
 #define MAX_WINDOW_THREADS 128
 
 struct window_thread_slot
 {
     pthread_t thread;
+    pthread_t aux_thread;
     int active;
     struct wl_event_queue *queue;
     struct wayland_window window;
@@ -38,6 +41,22 @@ static void signal_thread_exit(struct window_thread_slot *slot)
     pthread_mutex_unlock(&g_thread_lock);
 }
 
+static void *window_aux_loop(void *arg)
+{
+    struct window_thread_slot *slot = arg;
+    struct window_draw_info *draw_info = &slot->window.draw_info;
+    while (!atomic_load(&g_shutdown) && !window_should_close(&slot->window))
+    {
+        /* На время обновления позиции фигуры локаем мутекс */
+        pthread_mutex_lock(&draw_info->figure_mutex);
+        figure_animation_step(draw_info);
+        pthread_mutex_unlock(&draw_info->figure_mutex);
+
+        usleep(30 * 1000);
+    }
+    return NULL;
+}
+
 static void *window_thread_main(void *arg)
 {
     struct window_thread_slot *slot = arg;
@@ -50,16 +69,20 @@ static void *window_thread_main(void *arg)
         return NULL;
     }
 
-
     if (window_init(g_display, slot->queue, &slot->window) < 0)
     {
-        input_cleanup();
         wl_event_queue_destroy(slot->queue);
         slot->queue = NULL;
         signal_thread_exit(slot);
         return NULL;
     }
 
+    /* Запуск вспомогательного потока, который пока просто крутится с паузой 100 ms.
+     * Поток завершится, как только окно будет помечено как закрыто. */
+    int aux_res = pthread_create(&slot->aux_thread, NULL, window_aux_loop, slot);
+    if (aux_res == 0)
+        pthread_detach(slot->aux_thread);
+
     while (!atomic_load(&g_shutdown) && !window_should_close(&slot->window))
     {
         int dispatch = wl_display_dispatch_queue(g_display, slot->queue);
@@ -73,7 +96,6 @@ static void *window_thread_main(void *arg)
     }
     printf("Window #%d closed\n", slot->window.id);
 
-    input_cleanup();
     window_destroy(&slot->window);
 
     if (slot->queue)
@@ -177,3 +199,11 @@ void destroy_wayland(void)
     g_initialized = 0;
     atomic_store(&g_shutdown, 0);
 }
+
+struct wayland_window *get_window_by_surface(struct wl_surface *surf)
+{
+    for (int i = 0; i < MAX_WINDOW_THREADS; i++)
+        if (g_slots[i].window.wl_surface == surf)
+            return &g_slots[i].window;
+    return NULL;
+}

wayland/src/window.c

@@ -1,5 +1,6 @@
 #include "window.h"
 #include "registry.h"
+#include "figure-draw.h"
 #include "xdg-shell-client-protocol.h"
 #include <wayland-client.h>
 #include <stddef.h>
@@ -44,8 +45,9 @@ static void destroy_frame_callback(struct wayland_window *win)
 
 static void resize_canvas(struct wayland_window *win)
 {
-	size_t stride = win->width * 4;
-	size_t size = stride * win->height;
+	struct window_draw_info *draw_info = &win->draw_info;
+	size_t stride = draw_info->width * 4;
+	size_t size = stride * draw_info->height;
 	int32_t fd = alloc_shm(size);
 	if (fd == -1)
 		return;
@@ -64,42 +66,77 @@ static void resize_canvas(struct wayland_window *win)
 	}
 	struct wl_shm *shm = registry_get_shm();
 	struct wl_shm_pool *pool = wl_shm_create_pool(shm, fd, size);
-	win->buffer = wl_shm_pool_create_buffer(pool, 0, win->width, win->height, stride, WL_SHM_FORMAT_ARGB8888);
+	win->buffer = wl_shm_pool_create_buffer(pool, 0, draw_info->width, draw_info->height, stride, WL_SHM_FORMAT_ARGB8888);
 	wl_shm_pool_destroy(pool);
 	close(fd);
 
-	win->data = map;
+	draw_info->data = map;
 }
 
 static void resize_new(struct wayland_window *win, int32_t w, int32_t h)
 {
 	if (!w || !h)
 		return;
-	if (win->width != w || win->height != h)
+	struct window_draw_info *draw_info = &win->draw_info;
+
+	if (draw_info->width != w || draw_info->height != h)
 	{
-		if (win->data)
+		if (draw_info->data)
 		{
-			munmap(win->data, win->width * win->height * 4);
-			win->data = NULL;
+			munmap(draw_info->data, draw_info->width * draw_info->height * 4);
+			draw_info->data = NULL;
 		}
-		win->width = w;
-		win->height = h;
+		draw_info->width = w;
+		draw_info->height = h;
 		resize_canvas(win);
 	}
 }
 
 static void draw(struct wayland_window *win)
 {
-	size_t stride = win->width * 4;
-	size_t size = stride * win->height;
+	struct window_draw_info *draw_info = &win->draw_info;
 
-	if (!win->data || !win->buffer)
+	size_t stride = draw_info->width * 4;
+	size_t size = stride * draw_info->height;
+
+	if (!draw_info->data || !win->buffer)
 		return;
 
-	memset(win->data, win->color++, size);
+	// Залочиться, чтобы операции обновления позиции фигуры происходили атомарно
+	pthread_mutex_lock(&draw_info->figure_mutex);
+	struct figure_animation_info figure = draw_info->figure;
+	pthread_mutex_unlock(&draw_info->figure_mutex);
+
+	uint32_t color;
+	switch (figure.type)
+	{
+	case FIGURE_CIRCLE:
+		color = 0xFFFFFFFF;
+		break;
+	case FIGURE_TRIANGLE:
+		color = 0xFFFF0000;
+		break;
+	case FIGURE_SQUARE:
+		color = 0xFF00FF00;
+		break;
+
+	default:
+		break;
+	}
+
+	uint8_t *bytes = (uint8_t *)draw_info->data;
+	for (int32_t y = 0; y < (int32_t)draw_info->height; ++y)
+	{
+		uint32_t *row = (uint32_t *)(bytes + y * stride);
+		for (int32_t x = 0; x < (int32_t)draw_info->width; ++x)
+			row[x] = 0xFF000000; /* background black */
+	}
+
+	/* Draw figure into buffer. border thickness in pixels = 3.0f */
+	figure_draw(&win->draw_info, 3.0f, 0xFFFFFFFF, color);
 
 	wl_surface_attach(win->wl_surface, win->buffer, 0, 0);
-	wl_surface_damage_buffer(win->wl_surface, 0, 0, win->width, win->height);
+	wl_surface_damage_buffer(win->wl_surface, 0, 0, draw_info->width, draw_info->height);
 	wl_surface_commit(win->wl_surface);
 }
 
@@ -107,7 +144,7 @@ static void xdg_surface_conf(void *data, struct xdg_surface *xdg_surface_local,
 {
 	xdg_surface_ack_configure(xdg_surface_local, serial);
 	struct wayland_window *win = data;
-	if (!win->data)
+	if (!win->draw_info.data)
 		resize_canvas(win);
 
 	draw(win);
@@ -129,12 +166,17 @@ static void xdg_toplevel_cls(void *data, struct xdg_toplevel *xdg_top)
 
 static void xdg_toplevel_bounds(void *data, struct xdg_toplevel *xdg_top, int32_t w, int32_t h)
 {
-	(void)data; (void)xdg_top; (void)w; (void)h;
+	(void)data;
+	(void)xdg_top;
+	(void)w;
+	(void)h;
 }
 
 static void xdg_toplevel_wm_caps(void *data, struct xdg_toplevel *xdg_top, struct wl_array *caps)
 {
-	(void)data; (void)xdg_top; (void)caps;
+	(void)data;
+	(void)xdg_top;
+	(void)caps;
 }
 
 static struct wl_callback_listener callback_listener;
@@ -157,19 +199,15 @@ static void frame_new(void *data, struct wl_callback *cb, uint32_t _)
 	draw(win);
 }
 
-
 static struct wl_callback_listener callback_listener = {
-    .done = frame_new
-};
+	.done = frame_new};
 static struct xdg_surface_listener surface_listener = {
-	.configure = xdg_surface_conf	
-};
+	.configure = xdg_surface_conf};
 static struct xdg_toplevel_listener top_listener = {
 	.configure = xdg_toplevel_conf,
 	.close = xdg_toplevel_cls,
 	.configure_bounds = xdg_toplevel_bounds,
-	.wm_capabilities = xdg_toplevel_wm_caps
-};
+	.wm_capabilities = xdg_toplevel_wm_caps};
 
 int window_init(struct wl_display *display, struct wl_event_queue *queue, struct wayland_window *win)
 {
@@ -197,24 +235,41 @@ int window_init(struct wl_display *display, struct wl_event_queue *queue, struct
 	if (win->xdg_toplevel && queue)
 		wl_proxy_set_queue((struct wl_proxy *)win->xdg_toplevel, queue);
 
-	
 	xdg_toplevel_add_listener(win->xdg_toplevel, &top_listener, win);
 
 	wl_surface_commit(win->wl_surface);
 
-	/* wm_base — глобальный объект, listener в registry */
+	struct window_draw_info *draw_info = &win->draw_info;
 
 	/* Инициализация состояния */
 	win->id = id++;
-	win->width = 400;
-	win->height = 250;
-	win->data = NULL;
+	draw_info->width = 400;
+	draw_info->height = 250;
+	draw_info->data = NULL;
+	
+	/* Default animation state */
+	draw_info->figure.type = FIGURE_CIRCLE;
+	draw_info->figure.position.x = 0.5f;
+	draw_info->figure.position.y = 0.5f;
+	draw_info->figure.velocity.x = 0.6f;
+	draw_info->figure.velocity.y = 0.3f;
+	draw_info->figure.angle = 0.0f;
+	draw_info->figure.angular_velocity = 1.0f; /* radians per second */
+	draw_info->figure.speed = 100.0f; /* pixels per second */
+	draw_info->figure.radius = 20.0f; /* radius in pixels */
+
 	win->buffer = NULL;
 	win->frame_callback = NULL;
 	win->need_close = 0;
-	win->color = 0;
+	/* Мьютекс нужен для атомарного обращения к структуре фигуры */
+	if (pthread_mutex_init(&win->draw_info.figure_mutex, NULL) != 0)
+	{
+		/* if mutex init failed — cleanup and return error */
+		window_destroy(win);
+		return -1;
+	}
 
-	xdg_toplevel_set_app_id(win->xdg_toplevel, "my-wayland-window");   
+	xdg_toplevel_set_app_id(win->xdg_toplevel, "my-wayland-window");
 	xdg_toplevel_set_title(win->xdg_toplevel, "Custom Title");
 
 	return 0;
@@ -236,6 +291,8 @@ void window_destroy(struct wayland_window *win)
 		xdg_surface_destroy(win->xdg_surface);
 	if (win->wl_surface)
 		wl_surface_destroy(win->wl_surface);
-	if (win->data)
-		munmap(win->data, win->width * win->height * 4);
+	if (win->draw_info.data)
+		munmap(win->draw_info.data, win->draw_info.width * win->draw_info.height * 4);
+	/* destroy mutex if initialized */
+	pthread_mutex_destroy(&win->draw_info.figure_mutex);
 }