| /* |
| * Copyright © 2008 Kristian Høgsberg |
| * Copyright © 2012-2013 Collabora, Ltd. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| */ |
| |
| #include "config.h" |
| |
| #include <stdbool.h> |
| #include <stdint.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stdarg.h> |
| #include <string.h> |
| #include <fcntl.h> |
| #include <unistd.h> |
| #include <errno.h> |
| #include <math.h> |
| #include <assert.h> |
| #include <time.h> |
| #include <cairo.h> |
| #include <sys/mman.h> |
| #include <sys/epoll.h> |
| #include <sys/timerfd.h> |
| #include <stdbool.h> |
| |
| #ifdef HAVE_CAIRO_EGL |
| #include <wayland-egl.h> |
| |
| #ifdef USE_CAIRO_GLESV2 |
| #include <GLES2/gl2.h> |
| #include <GLES2/gl2ext.h> |
| #else |
| #include <GL/gl.h> |
| #endif |
| #include <EGL/egl.h> |
| #include <EGL/eglext.h> |
| |
| #include <cairo-gl.h> |
| #elif !defined(ENABLE_EGL) /* platform.h defines these if EGL is enabled */ |
| typedef void *EGLDisplay; |
| typedef void *EGLConfig; |
| typedef void *EGLContext; |
| #define EGL_NO_DISPLAY ((EGLDisplay)0) |
| #endif /* no HAVE_CAIRO_EGL */ |
| |
| #include <xkbcommon/xkbcommon.h> |
| #ifdef HAVE_XKBCOMMON_COMPOSE |
| #include <xkbcommon/xkbcommon-compose.h> |
| #endif |
| #include <wayland-cursor.h> |
| |
| #include <linux/input.h> |
| #include <wayland-client.h> |
| #include "shared/cairo-util.h" |
| #include "shared/helpers.h" |
| #include "shared/xalloc.h" |
| #include "shared/zalloc.h" |
| #include "xdg-shell-unstable-v6-client-protocol.h" |
| #include "text-cursor-position-client-protocol.h" |
| #include "pointer-constraints-unstable-v1-client-protocol.h" |
| #include "relative-pointer-unstable-v1-client-protocol.h" |
| #include "shared/os-compatibility.h" |
| |
| #include "window.h" |
| |
| #include <sys/types.h> |
| #include "ivi-application-client-protocol.h" |
| #define IVI_SURFACE_ID 9000 |
| |
| #define ZWP_RELATIVE_POINTER_MANAGER_V1_VERSION 1 |
| #define ZWP_POINTER_CONSTRAINTS_V1_VERSION 1 |
| |
| struct shm_pool; |
| |
| struct global { |
| uint32_t name; |
| char *interface; |
| uint32_t version; |
| struct wl_list link; |
| }; |
| |
| struct display { |
| struct wl_display *display; |
| struct wl_registry *registry; |
| struct wl_compositor *compositor; |
| struct wl_subcompositor *subcompositor; |
| struct wl_shm *shm; |
| struct wl_data_device_manager *data_device_manager; |
| struct text_cursor_position *text_cursor_position; |
| struct zxdg_shell_v6 *xdg_shell; |
| struct ivi_application *ivi_application; /* ivi style shell */ |
| struct zwp_relative_pointer_manager_v1 *relative_pointer_manager; |
| struct zwp_pointer_constraints_v1 *pointer_constraints; |
| EGLDisplay dpy; |
| EGLConfig argb_config; |
| EGLContext argb_ctx; |
| cairo_device_t *argb_device; |
| uint32_t serial; |
| |
| int display_fd; |
| uint32_t display_fd_events; |
| struct task display_task; |
| |
| int epoll_fd; |
| struct wl_list deferred_list; |
| |
| int running; |
| |
| struct wl_list global_list; |
| struct wl_list window_list; |
| struct wl_list input_list; |
| struct wl_list output_list; |
| |
| struct theme *theme; |
| |
| struct wl_cursor_theme *cursor_theme; |
| struct wl_cursor **cursors; |
| |
| display_output_handler_t output_configure_handler; |
| display_global_handler_t global_handler; |
| display_global_handler_t global_handler_remove; |
| |
| void *user_data; |
| |
| struct xkb_context *xkb_context; |
| |
| /* A hack to get text extents for tooltips */ |
| cairo_surface_t *dummy_surface; |
| void *dummy_surface_data; |
| |
| int has_rgb565; |
| int data_device_manager_version; |
| }; |
| |
| struct window_output { |
| struct output *output; |
| struct wl_list link; |
| }; |
| |
| struct toysurface { |
| /* |
| * Prepare the surface for drawing. Ensure there is a surface |
| * of the right size available for rendering, and return it. |
| * dx,dy are the x,y of wl_surface.attach. |
| * width,height are the new buffer size. |
| * If flags has SURFACE_HINT_RESIZE set, the user is |
| * doing continuous resizing. |
| * Returns the Cairo surface to draw to. |
| */ |
| cairo_surface_t *(*prepare)(struct toysurface *base, int dx, int dy, |
| int32_t width, int32_t height, uint32_t flags, |
| enum wl_output_transform buffer_transform, int32_t buffer_scale); |
| |
| /* |
| * Post the surface to the server, returning the server allocation |
| * rectangle. The Cairo surface from prepare() must be destroyed |
| * after calling this. |
| */ |
| void (*swap)(struct toysurface *base, |
| enum wl_output_transform buffer_transform, int32_t buffer_scale, |
| struct rectangle *server_allocation); |
| |
| /* |
| * Make the toysurface current with the given EGL context. |
| * Returns 0 on success, and negative on failure. |
| */ |
| int (*acquire)(struct toysurface *base, EGLContext ctx); |
| |
| /* |
| * Release the toysurface from the EGL context, returning control |
| * to Cairo. |
| */ |
| void (*release)(struct toysurface *base); |
| |
| /* |
| * Destroy the toysurface, including the Cairo surface, any |
| * backing storage, and the Wayland protocol objects. |
| */ |
| void (*destroy)(struct toysurface *base); |
| }; |
| |
| struct surface { |
| struct window *window; |
| |
| struct wl_surface *surface; |
| struct wl_subsurface *subsurface; |
| int synchronized; |
| int synchronized_default; |
| struct toysurface *toysurface; |
| struct widget *widget; |
| int redraw_needed; |
| struct wl_callback *frame_cb; |
| uint32_t last_time; |
| |
| struct rectangle allocation; |
| struct rectangle server_allocation; |
| |
| struct wl_region *input_region; |
| struct wl_region *opaque_region; |
| |
| enum window_buffer_type buffer_type; |
| enum wl_output_transform buffer_transform; |
| int32_t buffer_scale; |
| |
| cairo_surface_t *cairo_surface; |
| |
| struct wl_list link; |
| }; |
| |
| struct window { |
| struct display *display; |
| struct wl_list window_output_list; |
| char *title; |
| struct rectangle saved_allocation; |
| struct rectangle min_allocation; |
| struct rectangle pending_allocation; |
| struct rectangle last_geometry; |
| int x, y; |
| int redraw_inhibited; |
| int redraw_needed; |
| int redraw_task_scheduled; |
| struct task redraw_task; |
| int resize_needed; |
| int custom; |
| int focused; |
| |
| int resizing; |
| |
| int fullscreen; |
| int maximized; |
| |
| enum preferred_format preferred_format; |
| |
| window_key_handler_t key_handler; |
| window_keyboard_focus_handler_t keyboard_focus_handler; |
| window_data_handler_t data_handler; |
| window_drop_handler_t drop_handler; |
| window_close_handler_t close_handler; |
| window_fullscreen_handler_t fullscreen_handler; |
| window_output_handler_t output_handler; |
| window_state_changed_handler_t state_changed_handler; |
| |
| window_locked_pointer_motion_handler_t locked_pointer_motion_handler; |
| |
| struct surface *main_surface; |
| struct zxdg_surface_v6 *xdg_surface; |
| struct zxdg_toplevel_v6 *xdg_toplevel; |
| struct zxdg_popup_v6 *xdg_popup; |
| |
| struct window *parent; |
| struct window *last_parent; |
| |
| struct ivi_surface *ivi_surface; |
| |
| struct window_frame *frame; |
| |
| /* struct surface::link, contains also main_surface */ |
| struct wl_list subsurface_list; |
| |
| struct zwp_relative_pointer_v1 *relative_pointer; |
| struct zwp_locked_pointer_v1 *locked_pointer; |
| struct input *locked_input; |
| bool pointer_locked; |
| locked_pointer_locked_handler_t pointer_locked_handler; |
| locked_pointer_unlocked_handler_t pointer_unlocked_handler; |
| confined_pointer_confined_handler_t pointer_confined_handler; |
| confined_pointer_unconfined_handler_t pointer_unconfined_handler; |
| |
| struct zwp_confined_pointer_v1 *confined_pointer; |
| struct input *confined_input; |
| struct widget *confined_widget; |
| bool confined; |
| |
| void *user_data; |
| struct wl_list link; |
| }; |
| |
| struct widget { |
| struct window *window; |
| struct surface *surface; |
| struct tooltip *tooltip; |
| struct wl_list child_list; |
| struct wl_list link; |
| struct rectangle allocation; |
| widget_resize_handler_t resize_handler; |
| widget_redraw_handler_t redraw_handler; |
| widget_enter_handler_t enter_handler; |
| widget_leave_handler_t leave_handler; |
| widget_motion_handler_t motion_handler; |
| widget_button_handler_t button_handler; |
| widget_touch_down_handler_t touch_down_handler; |
| widget_touch_up_handler_t touch_up_handler; |
| widget_touch_motion_handler_t touch_motion_handler; |
| widget_touch_frame_handler_t touch_frame_handler; |
| widget_touch_cancel_handler_t touch_cancel_handler; |
| widget_axis_handler_t axis_handler; |
| widget_pointer_frame_handler_t pointer_frame_handler; |
| widget_axis_source_handler_t axis_source_handler; |
| widget_axis_stop_handler_t axis_stop_handler; |
| widget_axis_discrete_handler_t axis_discrete_handler; |
| void *user_data; |
| int opaque; |
| int tooltip_count; |
| int default_cursor; |
| /* If this is set to false then no cairo surface will be |
| * created before redrawing the surface. This is useful if the |
| * redraw handler is going to do completely custom rendering |
| * such as using EGL directly */ |
| int use_cairo; |
| }; |
| |
| struct touch_point { |
| int32_t id; |
| float x, y; |
| struct widget *widget; |
| struct wl_list link; |
| }; |
| |
| struct input { |
| struct display *display; |
| struct wl_seat *seat; |
| struct wl_pointer *pointer; |
| struct wl_keyboard *keyboard; |
| struct wl_touch *touch; |
| struct wl_list touch_point_list; |
| struct window *pointer_focus; |
| struct window *keyboard_focus; |
| struct window *touch_focus; |
| int current_cursor; |
| uint32_t cursor_anim_start; |
| struct wl_callback *cursor_frame_cb; |
| uint32_t cursor_timer_start; |
| uint32_t cursor_anim_current; |
| struct toytimer cursor_timer; |
| bool cursor_timer_running; |
| struct wl_surface *pointer_surface; |
| uint32_t modifiers; |
| uint32_t pointer_enter_serial; |
| uint32_t cursor_serial; |
| float sx, sy; |
| struct wl_list link; |
| |
| struct widget *focus_widget; |
| struct widget *grab; |
| uint32_t grab_button; |
| |
| struct wl_data_device *data_device; |
| struct data_offer *drag_offer; |
| struct data_offer *selection_offer; |
| uint32_t touch_grab; |
| int32_t touch_grab_id; |
| float drag_x, drag_y; |
| struct window *drag_focus; |
| uint32_t drag_enter_serial; |
| |
| struct { |
| struct xkb_keymap *keymap; |
| struct xkb_state *state; |
| #ifdef HAVE_XKBCOMMON_COMPOSE |
| struct xkb_compose_table *compose_table; |
| struct xkb_compose_state *compose_state; |
| #endif |
| xkb_mod_mask_t control_mask; |
| xkb_mod_mask_t alt_mask; |
| xkb_mod_mask_t shift_mask; |
| } xkb; |
| |
| int32_t repeat_rate_sec; |
| int32_t repeat_rate_nsec; |
| int32_t repeat_delay_sec; |
| int32_t repeat_delay_nsec; |
| |
| struct toytimer repeat_timer; |
| uint32_t repeat_sym; |
| uint32_t repeat_key; |
| uint32_t repeat_time; |
| int seat_version; |
| }; |
| |
| struct output { |
| struct display *display; |
| struct wl_output *output; |
| uint32_t server_output_id; |
| struct rectangle allocation; |
| struct wl_list link; |
| int transform; |
| int scale; |
| char *make; |
| char *model; |
| |
| display_output_handler_t destroy_handler; |
| void *user_data; |
| }; |
| |
| struct window_frame { |
| struct widget *widget; |
| struct widget *child; |
| struct frame *frame; |
| |
| uint32_t last_time; |
| uint32_t did_double, double_click; |
| int32_t last_id, double_id; |
| }; |
| |
| struct menu { |
| void *user_data; |
| struct window *window; |
| struct widget *widget; |
| struct input *input; |
| struct frame *frame; |
| const char **entries; |
| uint32_t time; |
| int current; |
| int count; |
| int release_count; |
| menu_func_t func; |
| }; |
| |
| struct tooltip { |
| struct widget *parent; |
| struct widget *widget; |
| char *entry; |
| struct toytimer timer; |
| float x, y; |
| }; |
| |
| struct shm_pool { |
| struct wl_shm_pool *pool; |
| size_t size; |
| size_t used; |
| void *data; |
| }; |
| |
| enum { |
| CURSOR_DEFAULT = 100, |
| CURSOR_UNSET |
| }; |
| |
| static const cairo_user_data_key_t shm_surface_data_key; |
| |
| /* #define DEBUG */ |
| |
| #ifdef DEBUG |
| |
| static void |
| debug_print(void *proxy, int line, const char *func, const char *fmt, ...) |
| __attribute__ ((format (printf, 4, 5))); |
| |
| static void |
| debug_print(void *proxy, int line, const char *func, const char *fmt, ...) |
| { |
| va_list ap; |
| struct timeval tv; |
| |
| gettimeofday(&tv, NULL); |
| fprintf(stderr, "%8ld.%03ld ", |
| (long)tv.tv_sec & 0xffff, (long)tv.tv_usec / 1000); |
| |
| if (proxy) |
| fprintf(stderr, "%s@%d ", |
| wl_proxy_get_class(proxy), wl_proxy_get_id(proxy)); |
| |
| /*fprintf(stderr, __FILE__ ":%d:%s ", line, func);*/ |
| fprintf(stderr, "%s ", func); |
| |
| va_start(ap, fmt); |
| vfprintf(stderr, fmt, ap); |
| va_end(ap); |
| } |
| |
| #define DBG(fmt, ...) \ |
| debug_print(NULL, __LINE__, __func__, fmt, ##__VA_ARGS__) |
| |
| #define DBG_OBJ(obj, fmt, ...) \ |
| debug_print(obj, __LINE__, __func__, fmt, ##__VA_ARGS__) |
| |
| #else |
| |
| #define DBG(...) do {} while (0) |
| #define DBG_OBJ(...) do {} while (0) |
| |
| #endif |
| |
| static void |
| surface_to_buffer_size (enum wl_output_transform buffer_transform, int32_t buffer_scale, int32_t *width, int32_t *height) |
| { |
| int32_t tmp; |
| |
| switch (buffer_transform) { |
| case WL_OUTPUT_TRANSFORM_90: |
| case WL_OUTPUT_TRANSFORM_270: |
| case WL_OUTPUT_TRANSFORM_FLIPPED_90: |
| case WL_OUTPUT_TRANSFORM_FLIPPED_270: |
| tmp = *width; |
| *width = *height; |
| *height = tmp; |
| break; |
| default: |
| break; |
| } |
| |
| *width *= buffer_scale; |
| *height *= buffer_scale; |
| } |
| |
| static void |
| buffer_to_surface_size (enum wl_output_transform buffer_transform, int32_t buffer_scale, int32_t *width, int32_t *height) |
| { |
| int32_t tmp; |
| |
| switch (buffer_transform) { |
| case WL_OUTPUT_TRANSFORM_90: |
| case WL_OUTPUT_TRANSFORM_270: |
| case WL_OUTPUT_TRANSFORM_FLIPPED_90: |
| case WL_OUTPUT_TRANSFORM_FLIPPED_270: |
| tmp = *width; |
| *width = *height; |
| *height = tmp; |
| break; |
| default: |
| break; |
| } |
| |
| *width /= buffer_scale; |
| *height /= buffer_scale; |
| } |
| |
| #ifdef HAVE_CAIRO_EGL |
| |
| struct egl_window_surface { |
| struct toysurface base; |
| cairo_surface_t *cairo_surface; |
| struct display *display; |
| struct wl_surface *surface; |
| struct wl_egl_window *egl_window; |
| EGLSurface egl_surface; |
| }; |
| |
| static struct egl_window_surface * |
| to_egl_window_surface(struct toysurface *base) |
| { |
| return container_of(base, struct egl_window_surface, base); |
| } |
| |
| static cairo_surface_t * |
| egl_window_surface_prepare(struct toysurface *base, int dx, int dy, |
| int32_t width, int32_t height, uint32_t flags, |
| enum wl_output_transform buffer_transform, int32_t buffer_scale) |
| { |
| struct egl_window_surface *surface = to_egl_window_surface(base); |
| |
| surface_to_buffer_size (buffer_transform, buffer_scale, &width, &height); |
| |
| wl_egl_window_resize(surface->egl_window, width, height, dx, dy); |
| cairo_gl_surface_set_size(surface->cairo_surface, width, height); |
| |
| return cairo_surface_reference(surface->cairo_surface); |
| } |
| |
| static void |
| egl_window_surface_swap(struct toysurface *base, |
| enum wl_output_transform buffer_transform, int32_t buffer_scale, |
| struct rectangle *server_allocation) |
| { |
| struct egl_window_surface *surface = to_egl_window_surface(base); |
| |
| cairo_gl_surface_swapbuffers(surface->cairo_surface); |
| wl_egl_window_get_attached_size(surface->egl_window, |
| &server_allocation->width, |
| &server_allocation->height); |
| |
| buffer_to_surface_size (buffer_transform, buffer_scale, |
| &server_allocation->width, |
| &server_allocation->height); |
| } |
| |
| static int |
| egl_window_surface_acquire(struct toysurface *base, EGLContext ctx) |
| { |
| struct egl_window_surface *surface = to_egl_window_surface(base); |
| cairo_device_t *device; |
| |
| device = cairo_surface_get_device(surface->cairo_surface); |
| if (!device) |
| return -1; |
| |
| if (!ctx) { |
| if (device == surface->display->argb_device) |
| ctx = surface->display->argb_ctx; |
| else |
| assert(0); |
| } |
| |
| cairo_device_flush(device); |
| cairo_device_acquire(device); |
| if (!eglMakeCurrent(surface->display->dpy, surface->egl_surface, |
| surface->egl_surface, ctx)) |
| fprintf(stderr, "failed to make surface current\n"); |
| |
| return 0; |
| } |
| |
| static void |
| egl_window_surface_release(struct toysurface *base) |
| { |
| struct egl_window_surface *surface = to_egl_window_surface(base); |
| cairo_device_t *device; |
| |
| device = cairo_surface_get_device(surface->cairo_surface); |
| if (!device) |
| return; |
| |
| if (!eglMakeCurrent(surface->display->dpy, |
| EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT)) |
| fprintf(stderr, "failed to make context current\n"); |
| |
| cairo_device_release(device); |
| } |
| |
| static void |
| egl_window_surface_destroy(struct toysurface *base) |
| { |
| struct egl_window_surface *surface = to_egl_window_surface(base); |
| struct display *d = surface->display; |
| |
| cairo_surface_destroy(surface->cairo_surface); |
| weston_platform_destroy_egl_surface(d->dpy, surface->egl_surface); |
| wl_egl_window_destroy(surface->egl_window); |
| surface->surface = NULL; |
| |
| free(surface); |
| } |
| |
| static struct toysurface * |
| egl_window_surface_create(struct display *display, |
| struct wl_surface *wl_surface, |
| uint32_t flags, |
| struct rectangle *rectangle) |
| { |
| struct egl_window_surface *surface; |
| |
| if (display->dpy == EGL_NO_DISPLAY) |
| return NULL; |
| |
| surface = zalloc(sizeof *surface); |
| if (!surface) |
| return NULL; |
| |
| surface->base.prepare = egl_window_surface_prepare; |
| surface->base.swap = egl_window_surface_swap; |
| surface->base.acquire = egl_window_surface_acquire; |
| surface->base.release = egl_window_surface_release; |
| surface->base.destroy = egl_window_surface_destroy; |
| |
| surface->display = display; |
| surface->surface = wl_surface; |
| |
| surface->egl_window = wl_egl_window_create(surface->surface, |
| rectangle->width, |
| rectangle->height); |
| |
| surface->egl_surface = |
| weston_platform_create_egl_surface(display->dpy, |
| display->argb_config, |
| surface->egl_window, NULL); |
| |
| surface->cairo_surface = |
| cairo_gl_surface_create_for_egl(display->argb_device, |
| surface->egl_surface, |
| rectangle->width, |
| rectangle->height); |
| |
| return &surface->base; |
| } |
| |
| #else |
| |
| static struct toysurface * |
| egl_window_surface_create(struct display *display, |
| struct wl_surface *wl_surface, |
| uint32_t flags, |
| struct rectangle *rectangle) |
| { |
| return NULL; |
| } |
| |
| #endif |
| |
| struct shm_surface_data { |
| struct wl_buffer *buffer; |
| struct shm_pool *pool; |
| }; |
| |
| struct wl_buffer * |
| display_get_buffer_for_surface(struct display *display, |
| cairo_surface_t *surface) |
| { |
| struct shm_surface_data *data; |
| |
| data = cairo_surface_get_user_data(surface, &shm_surface_data_key); |
| |
| return data->buffer; |
| } |
| |
| static void |
| shm_pool_destroy(struct shm_pool *pool); |
| |
| static void |
| shm_surface_data_destroy(void *p) |
| { |
| struct shm_surface_data *data = p; |
| |
| wl_buffer_destroy(data->buffer); |
| if (data->pool) |
| shm_pool_destroy(data->pool); |
| |
| free(data); |
| } |
| |
| static struct wl_shm_pool * |
| make_shm_pool(struct display *display, int size, void **data) |
| { |
| struct wl_shm_pool *pool; |
| int fd; |
| |
| fd = os_create_anonymous_file(size); |
| if (fd < 0) { |
| fprintf(stderr, "creating a buffer file for %d B failed: %m\n", |
| size); |
| return NULL; |
| } |
| |
| *data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); |
| if (*data == MAP_FAILED) { |
| fprintf(stderr, "mmap failed: %m\n"); |
| close(fd); |
| return NULL; |
| } |
| |
| pool = wl_shm_create_pool(display->shm, fd, size); |
| |
| close(fd); |
| |
| return pool; |
| } |
| |
| static struct shm_pool * |
| shm_pool_create(struct display *display, size_t size) |
| { |
| struct shm_pool *pool = malloc(sizeof *pool); |
| |
| if (!pool) |
| return NULL; |
| |
| pool->pool = make_shm_pool(display, size, &pool->data); |
| if (!pool->pool) { |
| free(pool); |
| return NULL; |
| } |
| |
| pool->size = size; |
| pool->used = 0; |
| |
| return pool; |
| } |
| |
| static void * |
| shm_pool_allocate(struct shm_pool *pool, size_t size, int *offset) |
| { |
| if (pool->used + size > pool->size) |
| return NULL; |
| |
| *offset = pool->used; |
| pool->used += size; |
| |
| return (char *) pool->data + *offset; |
| } |
| |
| /* destroy the pool. this does not unmap the memory though */ |
| static void |
| shm_pool_destroy(struct shm_pool *pool) |
| { |
| munmap(pool->data, pool->size); |
| wl_shm_pool_destroy(pool->pool); |
| free(pool); |
| } |
| |
| /* Start allocating from the beginning of the pool again */ |
| static void |
| shm_pool_reset(struct shm_pool *pool) |
| { |
| pool->used = 0; |
| } |
| |
| static int |
| data_length_for_shm_surface(struct rectangle *rect) |
| { |
| int stride; |
| |
| stride = cairo_format_stride_for_width (CAIRO_FORMAT_ARGB32, |
| rect->width); |
| return stride * rect->height; |
| } |
| |
| static cairo_surface_t * |
| display_create_shm_surface_from_pool(struct display *display, |
| struct rectangle *rectangle, |
| uint32_t flags, struct shm_pool *pool) |
| { |
| struct shm_surface_data *data; |
| uint32_t format; |
| cairo_surface_t *surface; |
| cairo_format_t cairo_format; |
| int stride, length, offset; |
| void *map; |
| |
| data = malloc(sizeof *data); |
| if (data == NULL) |
| return NULL; |
| |
| if (flags & SURFACE_HINT_RGB565 && display->has_rgb565) |
| cairo_format = CAIRO_FORMAT_RGB16_565; |
| else |
| cairo_format = CAIRO_FORMAT_ARGB32; |
| |
| stride = cairo_format_stride_for_width (cairo_format, rectangle->width); |
| length = stride * rectangle->height; |
| data->pool = NULL; |
| map = shm_pool_allocate(pool, length, &offset); |
| |
| if (!map) { |
| free(data); |
| return NULL; |
| } |
| |
| surface = cairo_image_surface_create_for_data (map, |
| cairo_format, |
| rectangle->width, |
| rectangle->height, |
| stride); |
| |
| cairo_surface_set_user_data(surface, &shm_surface_data_key, |
| data, shm_surface_data_destroy); |
| |
| if (flags & SURFACE_HINT_RGB565 && display->has_rgb565) |
| format = WL_SHM_FORMAT_RGB565; |
| else { |
| if (flags & SURFACE_OPAQUE) |
| format = WL_SHM_FORMAT_XRGB8888; |
| else |
| format = WL_SHM_FORMAT_ARGB8888; |
| } |
| |
| data->buffer = wl_shm_pool_create_buffer(pool->pool, offset, |
| rectangle->width, |
| rectangle->height, |
| stride, format); |
| |
| return surface; |
| } |
| |
| static cairo_surface_t * |
| display_create_shm_surface(struct display *display, |
| struct rectangle *rectangle, uint32_t flags, |
| struct shm_pool *alternate_pool, |
| struct shm_surface_data **data_ret) |
| { |
| struct shm_surface_data *data; |
| struct shm_pool *pool; |
| cairo_surface_t *surface; |
| |
| if (alternate_pool) { |
| shm_pool_reset(alternate_pool); |
| surface = display_create_shm_surface_from_pool(display, |
| rectangle, |
| flags, |
| alternate_pool); |
| if (surface) { |
| data = cairo_surface_get_user_data(surface, |
| &shm_surface_data_key); |
| goto out; |
| } |
| } |
| |
| pool = shm_pool_create(display, |
| data_length_for_shm_surface(rectangle)); |
| if (!pool) |
| return NULL; |
| |
| surface = |
| display_create_shm_surface_from_pool(display, rectangle, |
| flags, pool); |
| |
| if (!surface) { |
| shm_pool_destroy(pool); |
| return NULL; |
| } |
| |
| /* make sure we destroy the pool when the surface is destroyed */ |
| data = cairo_surface_get_user_data(surface, &shm_surface_data_key); |
| data->pool = pool; |
| |
| out: |
| if (data_ret) |
| *data_ret = data; |
| |
| return surface; |
| } |
| |
| static int |
| check_size(struct rectangle *rect) |
| { |
| if (rect->width && rect->height) |
| return 0; |
| |
| fprintf(stderr, "tried to create surface of " |
| "width: %d, height: %d\n", rect->width, rect->height); |
| return -1; |
| } |
| |
| cairo_surface_t * |
| display_create_surface(struct display *display, |
| struct wl_surface *surface, |
| struct rectangle *rectangle, |
| uint32_t flags) |
| { |
| if (check_size(rectangle) < 0) |
| return NULL; |
| |
| assert(flags & SURFACE_SHM); |
| return display_create_shm_surface(display, rectangle, flags, |
| NULL, NULL); |
| } |
| |
| struct shm_surface_leaf { |
| cairo_surface_t *cairo_surface; |
| /* 'data' is automatically destroyed, when 'cairo_surface' is */ |
| struct shm_surface_data *data; |
| |
| struct shm_pool *resize_pool; |
| int busy; |
| }; |
| |
| static void |
| shm_surface_leaf_release(struct shm_surface_leaf *leaf) |
| { |
| if (leaf->cairo_surface) |
| cairo_surface_destroy(leaf->cairo_surface); |
| /* leaf->data already destroyed via cairo private */ |
| |
| if (leaf->resize_pool) |
| shm_pool_destroy(leaf->resize_pool); |
| |
| memset(leaf, 0, sizeof *leaf); |
| } |
| |
| #define MAX_LEAVES 3 |
| |
| struct shm_surface { |
| struct toysurface base; |
| struct display *display; |
| struct wl_surface *surface; |
| uint32_t flags; |
| int dx, dy; |
| |
| struct shm_surface_leaf leaf[MAX_LEAVES]; |
| struct shm_surface_leaf *current; |
| }; |
| |
| static struct shm_surface * |
| to_shm_surface(struct toysurface *base) |
| { |
| return container_of(base, struct shm_surface, base); |
| } |
| |
| static void |
| shm_surface_buffer_state_debug(struct shm_surface *surface, const char *msg) |
| { |
| #ifdef DEBUG |
| struct shm_surface_leaf *leaf; |
| char bufs[MAX_LEAVES + 1]; |
| int i; |
| |
| for (i = 0; i < MAX_LEAVES; i++) { |
| leaf = &surface->leaf[i]; |
| |
| if (leaf->busy) |
| bufs[i] = 'b'; |
| else if (leaf->cairo_surface) |
| bufs[i] = 'a'; |
| else |
| bufs[i] = ' '; |
| } |
| |
| bufs[MAX_LEAVES] = '\0'; |
| DBG_OBJ(surface->surface, "%s, leaves [%s]\n", msg, bufs); |
| #endif |
| } |
| |
| static void |
| shm_surface_buffer_release(void *data, struct wl_buffer *buffer) |
| { |
| struct shm_surface *surface = data; |
| struct shm_surface_leaf *leaf; |
| int i; |
| int free_found; |
| |
| shm_surface_buffer_state_debug(surface, "buffer_release before"); |
| |
| for (i = 0; i < MAX_LEAVES; i++) { |
| leaf = &surface->leaf[i]; |
| if (leaf->data && leaf->data->buffer == buffer) { |
| leaf->busy = 0; |
| break; |
| } |
| } |
| assert(i < MAX_LEAVES && "unknown buffer released"); |
| |
| /* Leave one free leaf with storage, release others */ |
| free_found = 0; |
| for (i = 0; i < MAX_LEAVES; i++) { |
| leaf = &surface->leaf[i]; |
| |
| if (!leaf->cairo_surface || leaf->busy) |
| continue; |
| |
| if (!free_found) |
| free_found = 1; |
| else |
| shm_surface_leaf_release(leaf); |
| } |
| |
| shm_surface_buffer_state_debug(surface, "buffer_release after"); |
| } |
| |
| static const struct wl_buffer_listener shm_surface_buffer_listener = { |
| shm_surface_buffer_release |
| }; |
| |
| static cairo_surface_t * |
| shm_surface_prepare(struct toysurface *base, int dx, int dy, |
| int32_t width, int32_t height, uint32_t flags, |
| enum wl_output_transform buffer_transform, int32_t buffer_scale) |
| { |
| int resize_hint = !!(flags & SURFACE_HINT_RESIZE); |
| struct shm_surface *surface = to_shm_surface(base); |
| struct rectangle rect = { 0}; |
| struct shm_surface_leaf *leaf = NULL; |
| int i; |
| |
| surface->dx = dx; |
| surface->dy = dy; |
| |
| /* pick a free buffer, preferably one that already has storage */ |
| for (i = 0; i < MAX_LEAVES; i++) { |
| if (surface->leaf[i].busy) |
| continue; |
| |
| if (!leaf || surface->leaf[i].cairo_surface) |
| leaf = &surface->leaf[i]; |
| } |
| DBG_OBJ(surface->surface, "pick leaf %d\n", |
| (int)(leaf - &surface->leaf[0])); |
| |
| if (!leaf) { |
| fprintf(stderr, "%s: all buffers are held by the server.\n", |
| __func__); |
| exit(1); |
| return NULL; |
| } |
| |
| if (!resize_hint && leaf->resize_pool) { |
| cairo_surface_destroy(leaf->cairo_surface); |
| leaf->cairo_surface = NULL; |
| shm_pool_destroy(leaf->resize_pool); |
| leaf->resize_pool = NULL; |
| } |
| |
| surface_to_buffer_size (buffer_transform, buffer_scale, &width, &height); |
| |
| if (leaf->cairo_surface && |
| cairo_image_surface_get_width(leaf->cairo_surface) == width && |
| cairo_image_surface_get_height(leaf->cairo_surface) == height) |
| goto out; |
| |
| if (leaf->cairo_surface) |
| cairo_surface_destroy(leaf->cairo_surface); |
| |
| #ifdef USE_RESIZE_POOL |
| if (resize_hint && !leaf->resize_pool) { |
| /* Create a big pool to allocate from, while continuously |
| * resizing. Mmapping a new pool in the server |
| * is relatively expensive, so reusing a pool performs |
| * better, but may temporarily reserve unneeded memory. |
| */ |
| /* We should probably base this number on the output size. */ |
| leaf->resize_pool = shm_pool_create(surface->display, |
| 6 * 1024 * 1024); |
| } |
| #endif |
| |
| rect.width = width; |
| rect.height = height; |
| |
| leaf->cairo_surface = |
| display_create_shm_surface(surface->display, &rect, |
| surface->flags, |
| leaf->resize_pool, |
| &leaf->data); |
| if (!leaf->cairo_surface) |
| return NULL; |
| |
| wl_buffer_add_listener(leaf->data->buffer, |
| &shm_surface_buffer_listener, surface); |
| |
| out: |
| surface->current = leaf; |
| |
| return cairo_surface_reference(leaf->cairo_surface); |
| } |
| |
| static void |
| shm_surface_swap(struct toysurface *base, |
| enum wl_output_transform buffer_transform, int32_t buffer_scale, |
| struct rectangle *server_allocation) |
| { |
| struct shm_surface *surface = to_shm_surface(base); |
| struct shm_surface_leaf *leaf = surface->current; |
| |
| server_allocation->width = |
| cairo_image_surface_get_width(leaf->cairo_surface); |
| server_allocation->height = |
| cairo_image_surface_get_height(leaf->cairo_surface); |
| |
| buffer_to_surface_size (buffer_transform, buffer_scale, |
| &server_allocation->width, |
| &server_allocation->height); |
| |
| wl_surface_attach(surface->surface, leaf->data->buffer, |
| surface->dx, surface->dy); |
| wl_surface_damage(surface->surface, 0, 0, |
| server_allocation->width, server_allocation->height); |
| wl_surface_commit(surface->surface); |
| |
| DBG_OBJ(surface->surface, "leaf %d busy\n", |
| (int)(leaf - &surface->leaf[0])); |
| |
| leaf->busy = 1; |
| surface->current = NULL; |
| } |
| |
| static int |
| shm_surface_acquire(struct toysurface *base, EGLContext ctx) |
| { |
| return -1; |
| } |
| |
| static void |
| shm_surface_release(struct toysurface *base) |
| { |
| } |
| |
| static void |
| shm_surface_destroy(struct toysurface *base) |
| { |
| struct shm_surface *surface = to_shm_surface(base); |
| int i; |
| |
| for (i = 0; i < MAX_LEAVES; i++) |
| shm_surface_leaf_release(&surface->leaf[i]); |
| |
| free(surface); |
| } |
| |
| static struct toysurface * |
| shm_surface_create(struct display *display, struct wl_surface *wl_surface, |
| uint32_t flags, struct rectangle *rectangle) |
| { |
| struct shm_surface *surface; |
| DBG_OBJ(wl_surface, "\n"); |
| |
| surface = xzalloc(sizeof *surface); |
| surface->base.prepare = shm_surface_prepare; |
| surface->base.swap = shm_surface_swap; |
| surface->base.acquire = shm_surface_acquire; |
| surface->base.release = shm_surface_release; |
| surface->base.destroy = shm_surface_destroy; |
| |
| surface->display = display; |
| surface->surface = wl_surface; |
| surface->flags = flags; |
| |
| return &surface->base; |
| } |
| |
| /* |
| * The following correspondences between file names and cursors was copied |
| * from: https://bugs.kde.org/attachment.cgi?id=67313 |
| */ |
| |
| static const char *bottom_left_corners[] = { |
| "bottom_left_corner", |
| "sw-resize", |
| "size_bdiag" |
| }; |
| |
| static const char *bottom_right_corners[] = { |
| "bottom_right_corner", |
| "se-resize", |
| "size_fdiag" |
| }; |
| |
| static const char *bottom_sides[] = { |
| "bottom_side", |
| "s-resize", |
| "size_ver" |
| }; |
| |
| static const char *grabbings[] = { |
| "grabbing", |
| "closedhand", |
| "208530c400c041818281048008011002" |
| }; |
| |
| static const char *left_ptrs[] = { |
| "left_ptr", |
| "default", |
| "top_left_arrow", |
| "left-arrow" |
| }; |
| |
| static const char *left_sides[] = { |
| "left_side", |
| "w-resize", |
| "size_hor" |
| }; |
| |
| static const char *right_sides[] = { |
| "right_side", |
| "e-resize", |
| "size_hor" |
| }; |
| |
| static const char *top_left_corners[] = { |
| "top_left_corner", |
| "nw-resize", |
| "size_fdiag" |
| }; |
| |
| static const char *top_right_corners[] = { |
| "top_right_corner", |
| "ne-resize", |
| "size_bdiag" |
| }; |
| |
| static const char *top_sides[] = { |
| "top_side", |
| "n-resize", |
| "size_ver" |
| }; |
| |
| static const char *xterms[] = { |
| "xterm", |
| "ibeam", |
| "text" |
| }; |
| |
| static const char *hand1s[] = { |
| "hand1", |
| "pointer", |
| "pointing_hand", |
| "e29285e634086352946a0e7090d73106" |
| }; |
| |
| static const char *watches[] = { |
| "watch", |
| "wait", |
| "0426c94ea35c87780ff01dc239897213" |
| }; |
| |
| static const char *move_draggings[] = { |
| "dnd-move" |
| }; |
| |
| static const char *copy_draggings[] = { |
| "dnd-copy" |
| }; |
| |
| static const char *forbidden_draggings[] = { |
| "dnd-none", |
| "dnd-no-drop" |
| }; |
| |
| struct cursor_alternatives { |
| const char **names; |
| size_t count; |
| }; |
| |
| static const struct cursor_alternatives cursors[] = { |
| {bottom_left_corners, ARRAY_LENGTH(bottom_left_corners)}, |
| {bottom_right_corners, ARRAY_LENGTH(bottom_right_corners)}, |
| {bottom_sides, ARRAY_LENGTH(bottom_sides)}, |
| {grabbings, ARRAY_LENGTH(grabbings)}, |
| {left_ptrs, ARRAY_LENGTH(left_ptrs)}, |
| {left_sides, ARRAY_LENGTH(left_sides)}, |
| {right_sides, ARRAY_LENGTH(right_sides)}, |
| {top_left_corners, ARRAY_LENGTH(top_left_corners)}, |
| {top_right_corners, ARRAY_LENGTH(top_right_corners)}, |
| {top_sides, ARRAY_LENGTH(top_sides)}, |
| {xterms, ARRAY_LENGTH(xterms)}, |
| {hand1s, ARRAY_LENGTH(hand1s)}, |
| {watches, ARRAY_LENGTH(watches)}, |
| {move_draggings, ARRAY_LENGTH(move_draggings)}, |
| {copy_draggings, ARRAY_LENGTH(copy_draggings)}, |
| {forbidden_draggings, ARRAY_LENGTH(forbidden_draggings)}, |
| }; |
| |
| static void |
| create_cursors(struct display *display) |
| { |
| const char *config_file; |
| struct weston_config *config; |
| struct weston_config_section *s; |
| int size; |
| char *theme = NULL; |
| unsigned int i, j; |
| struct wl_cursor *cursor; |
| |
| config_file = weston_config_get_name_from_env(); |
| config = weston_config_parse(config_file); |
| s = weston_config_get_section(config, "shell", NULL, NULL); |
| weston_config_section_get_string(s, "cursor-theme", &theme, NULL); |
| weston_config_section_get_int(s, "cursor-size", &size, 32); |
| weston_config_destroy(config); |
| |
| display->cursor_theme = wl_cursor_theme_load(theme, size, display->shm); |
| if (!display->cursor_theme) { |
| fprintf(stderr, "could not load theme '%s'\n", theme); |
| return; |
| } |
| free(theme); |
| display->cursors = |
| xmalloc(ARRAY_LENGTH(cursors) * sizeof display->cursors[0]); |
| |
| for (i = 0; i < ARRAY_LENGTH(cursors); i++) { |
| cursor = NULL; |
| for (j = 0; !cursor && j < cursors[i].count; ++j) |
| cursor = wl_cursor_theme_get_cursor( |
| display->cursor_theme, cursors[i].names[j]); |
| |
| if (!cursor) |
| fprintf(stderr, "could not load cursor '%s'\n", |
| cursors[i].names[0]); |
| |
| display->cursors[i] = cursor; |
| } |
| } |
| |
| static void |
| destroy_cursors(struct display *display) |
| { |
| wl_cursor_theme_destroy(display->cursor_theme); |
| free(display->cursors); |
| } |
| |
| struct wl_cursor_image * |
| display_get_pointer_image(struct display *display, int pointer) |
| { |
| struct wl_cursor *cursor = display->cursors[pointer]; |
| |
| return cursor ? cursor->images[0] : NULL; |
| } |
| |
| static void |
| surface_flush(struct surface *surface) |
| { |
| if (!surface->cairo_surface) |
| return; |
| |
| if (surface->opaque_region) { |
| wl_surface_set_opaque_region(surface->surface, |
| surface->opaque_region); |
| wl_region_destroy(surface->opaque_region); |
| surface->opaque_region = NULL; |
| } |
| |
| if (surface->input_region) { |
| wl_surface_set_input_region(surface->surface, |
| surface->input_region); |
| wl_region_destroy(surface->input_region); |
| surface->input_region = NULL; |
| } |
| |
| surface->toysurface->swap(surface->toysurface, |
| surface->buffer_transform, surface->buffer_scale, |
| &surface->server_allocation); |
| |
| cairo_surface_destroy(surface->cairo_surface); |
| surface->cairo_surface = NULL; |
| } |
| |
| int |
| window_has_focus(struct window *window) |
| { |
| return window->focused; |
| } |
| |
| static void |
| window_close(struct window *window) |
| { |
| if (window->close_handler) |
| window->close_handler(window->user_data); |
| else |
| display_exit(window->display); |
| } |
| |
| struct display * |
| window_get_display(struct window *window) |
| { |
| return window->display; |
| } |
| |
| static void |
| handle_ivi_surface_configure(void *data, struct ivi_surface *ivi_surface, |
| int32_t width, int32_t height) |
| { |
| struct window *window = data; |
| |
| window_schedule_resize(window, width, height); |
| } |
| |
| static const struct ivi_surface_listener ivi_surface_listener = { |
| handle_ivi_surface_configure, |
| }; |
| |
| static void |
| surface_create_surface(struct surface *surface, uint32_t flags) |
| { |
| struct display *display = surface->window->display; |
| struct rectangle allocation = surface->allocation; |
| |
| if (!surface->toysurface && display->dpy && |
| surface->buffer_type == WINDOW_BUFFER_TYPE_EGL_WINDOW) { |
| surface->toysurface = |
| egl_window_surface_create(display, |
| surface->surface, |
| flags, |
| &allocation); |
| } |
| |
| if (!surface->toysurface) |
| surface->toysurface = shm_surface_create(display, |
| surface->surface, |
| flags, &allocation); |
| |
| surface->cairo_surface = surface->toysurface->prepare( |
| surface->toysurface, 0, 0, |
| allocation.width, allocation.height, flags, |
| surface->buffer_transform, surface->buffer_scale); |
| } |
| |
| static void |
| window_create_main_surface(struct window *window) |
| { |
| struct surface *surface = window->main_surface; |
| uint32_t flags = 0; |
| |
| if (window->resizing) |
| flags |= SURFACE_HINT_RESIZE; |
| |
| if (window->preferred_format == WINDOW_PREFERRED_FORMAT_RGB565) |
| flags |= SURFACE_HINT_RGB565; |
| |
| surface_create_surface(surface, flags); |
| } |
| |
| int |
| window_get_buffer_transform(struct window *window) |
| { |
| return window->main_surface->buffer_transform; |
| } |
| |
| void |
| window_set_buffer_transform(struct window *window, |
| enum wl_output_transform transform) |
| { |
| window->main_surface->buffer_transform = transform; |
| wl_surface_set_buffer_transform(window->main_surface->surface, |
| transform); |
| } |
| |
| void |
| window_set_buffer_scale(struct window *window, |
| int32_t scale) |
| { |
| window->main_surface->buffer_scale = scale; |
| wl_surface_set_buffer_scale(window->main_surface->surface, |
| scale); |
| } |
| |
| uint32_t |
| window_get_buffer_scale(struct window *window) |
| { |
| return window->main_surface->buffer_scale; |
| } |
| |
| uint32_t |
| window_get_output_scale(struct window *window) |
| { |
| struct window_output *window_output; |
| struct window_output *window_output_tmp; |
| int scale = 1; |
| |
| wl_list_for_each_safe(window_output, window_output_tmp, |
| &window->window_output_list, link) { |
| if (window_output->output->scale > scale) |
| scale = window_output->output->scale; |
| } |
| |
| return scale; |
| } |
| |
| static void window_frame_destroy(struct window_frame *frame); |
| |
| static void |
| surface_destroy(struct surface *surface) |
| { |
| if (surface->frame_cb) |
| wl_callback_destroy(surface->frame_cb); |
| |
| if (surface->input_region) |
| wl_region_destroy(surface->input_region); |
| |
| if (surface->opaque_region) |
| wl_region_destroy(surface->opaque_region); |
| |
| if (surface->subsurface) |
| wl_subsurface_destroy(surface->subsurface); |
| |
| wl_surface_destroy(surface->surface); |
| |
| if (surface->toysurface) |
| surface->toysurface->destroy(surface->toysurface); |
| |
| wl_list_remove(&surface->link); |
| free(surface); |
| } |
| |
| void |
| window_destroy(struct window *window) |
| { |
| struct display *display = window->display; |
| struct input *input; |
| struct window_output *window_output; |
| struct window_output *window_output_tmp; |
| |
| wl_list_remove(&window->redraw_task.link); |
| |
| wl_list_for_each(input, &display->input_list, link) { |
| if (input->touch_focus == window) |
| input->touch_focus = NULL; |
| if (input->pointer_focus == window) |
| input->pointer_focus = NULL; |
| if (input->keyboard_focus == window) |
| input->keyboard_focus = NULL; |
| if (input->focus_widget && |
| input->focus_widget->window == window) |
| input->focus_widget = NULL; |
| } |
| |
| wl_list_for_each_safe(window_output, window_output_tmp, |
| &window->window_output_list, link) { |
| free (window_output); |
| } |
| |
| if (window->frame) |
| window_frame_destroy(window->frame); |
| |
| if (window->xdg_toplevel) |
| zxdg_toplevel_v6_destroy(window->xdg_toplevel); |
| if (window->xdg_popup) |
| zxdg_popup_v6_destroy(window->xdg_popup); |
| if (window->xdg_surface) |
| zxdg_surface_v6_destroy(window->xdg_surface); |
| |
| if (window->ivi_surface) |
| ivi_surface_destroy(window->ivi_surface); |
| |
| surface_destroy(window->main_surface); |
| |
| wl_list_remove(&window->link); |
| |
| free(window->title); |
| free(window); |
| } |
| |
| static struct widget * |
| widget_find_widget(struct widget *widget, int32_t x, int32_t y) |
| { |
| struct widget *child, *target; |
| |
| wl_list_for_each(child, &widget->child_list, link) { |
| target = widget_find_widget(child, x, y); |
| if (target) |
| return target; |
| } |
| |
| if (widget->allocation.x <= x && |
| x < widget->allocation.x + widget->allocation.width && |
| widget->allocation.y <= y && |
| y < widget->allocation.y + widget->allocation.height) { |
| return widget; |
| } |
| |
| return NULL; |
| } |
| |
| static struct widget * |
| window_find_widget(struct window *window, int32_t x, int32_t y) |
| { |
| struct surface *surface; |
| struct widget *widget; |
| |
| wl_list_for_each(surface, &window->subsurface_list, link) { |
| widget = widget_find_widget(surface->widget, x, y); |
| if (widget) |
| return widget; |
| } |
| |
| return NULL; |
| } |
| |
| static struct widget * |
| widget_create(struct window *window, struct surface *surface, void *data) |
| { |
| struct widget *widget; |
| |
| widget = xzalloc(sizeof *widget); |
| widget->window = window; |
| widget->surface = surface; |
| widget->user_data = data; |
| widget->allocation = surface->allocation; |
| wl_list_init(&widget->child_list); |
| widget->opaque = 0; |
| widget->tooltip = NULL; |
| widget->tooltip_count = 0; |
| widget->default_cursor = CURSOR_LEFT_PTR; |
| widget->use_cairo = 1; |
| |
| return widget; |
| } |
| |
| struct widget * |
| window_add_widget(struct window *window, void *data) |
| { |
| struct widget *widget; |
| |
| widget = widget_create(window, window->main_surface, data); |
| wl_list_init(&widget->link); |
| window->main_surface->widget = widget; |
| |
| return widget; |
| } |
| |
| struct widget * |
| widget_add_widget(struct widget *parent, void *data) |
| { |
| struct widget *widget; |
| |
| widget = widget_create(parent->window, parent->surface, data); |
| wl_list_insert(parent->child_list.prev, &widget->link); |
| |
| return widget; |
| } |
| |
| void |
| widget_destroy(struct widget *widget) |
| { |
| struct display *display = widget->window->display; |
| struct surface *surface = widget->surface; |
| struct input *input; |
| |
| /* Destroy the sub-surface along with the root widget */ |
| if (surface->widget == widget && surface->subsurface) |
| surface_destroy(widget->surface); |
| |
| if (widget->tooltip) |
| widget_destroy_tooltip(widget); |
| |
| wl_list_for_each(input, &display->input_list, link) { |
| if (input->focus_widget == widget) |
| input->focus_widget = NULL; |
| } |
| |
| wl_list_remove(&widget->link); |
| free(widget); |
| } |
| |
| void |
| widget_set_default_cursor(struct widget *widget, int cursor) |
| { |
| widget->default_cursor = cursor; |
| } |
| |
| void |
| widget_get_allocation(struct widget *widget, struct rectangle *allocation) |
| { |
| *allocation = widget->allocation; |
| } |
| |
| void |
| widget_set_size(struct widget *widget, int32_t width, int32_t height) |
| { |
| widget->allocation.width = width; |
| widget->allocation.height = height; |
| } |
| |
| void |
| widget_set_allocation(struct widget *widget, |
| int32_t x, int32_t y, int32_t width, int32_t height) |
| { |
| widget->allocation.x = x; |
| widget->allocation.y = y; |
| widget_set_size(widget, width, height); |
| } |
| |
| void |
| widget_set_transparent(struct widget *widget, int transparent) |
| { |
| widget->opaque = !transparent; |
| } |
| |
| void * |
| widget_get_user_data(struct widget *widget) |
| { |
| return widget->user_data; |
| } |
| |
| static cairo_surface_t * |
| widget_get_cairo_surface(struct widget *widget) |
| { |
| struct surface *surface = widget->surface; |
| struct window *window = widget->window; |
| |
| assert(widget->use_cairo); |
| |
| if (!surface->cairo_surface) { |
| if (surface == window->main_surface) |
| window_create_main_surface(window); |
| else |
| surface_create_surface(surface, 0); |
| } |
| |
| return surface->cairo_surface; |
| } |
| |
| static void |
| widget_cairo_update_transform(struct widget *widget, cairo_t *cr) |
| { |
| struct surface *surface = widget->surface; |
| double angle; |
| cairo_matrix_t m; |
| enum wl_output_transform transform; |
| int surface_width, surface_height; |
| int translate_x, translate_y; |
| int32_t scale; |
| |
| surface_width = surface->allocation.width; |
| surface_height = surface->allocation.height; |
| |
| transform = surface->buffer_transform; |
| scale = surface->buffer_scale; |
| |
| switch (transform) { |
| case WL_OUTPUT_TRANSFORM_FLIPPED: |
| case WL_OUTPUT_TRANSFORM_FLIPPED_90: |
| case WL_OUTPUT_TRANSFORM_FLIPPED_180: |
| case WL_OUTPUT_TRANSFORM_FLIPPED_270: |
| cairo_matrix_init(&m, -1, 0, 0, 1, 0, 0); |
| break; |
| default: |
| cairo_matrix_init_identity(&m); |
| break; |
| } |
| |
| switch (transform) { |
| case WL_OUTPUT_TRANSFORM_NORMAL: |
| default: |
| angle = 0; |
| translate_x = 0; |
| translate_y = 0; |
| break; |
| case WL_OUTPUT_TRANSFORM_FLIPPED: |
| angle = 0; |
| translate_x = surface_width; |
| translate_y = 0; |
| break; |
| case WL_OUTPUT_TRANSFORM_90: |
| angle = M_PI_2; |
| translate_x = surface_height; |
| translate_y = 0; |
| break; |
| case WL_OUTPUT_TRANSFORM_FLIPPED_90: |
| angle = M_PI_2; |
| translate_x = surface_height; |
| translate_y = surface_width; |
| break; |
| case WL_OUTPUT_TRANSFORM_180: |
| angle = M_PI; |
| translate_x = surface_width; |
| translate_y = surface_height; |
| break; |
| case WL_OUTPUT_TRANSFORM_FLIPPED_180: |
| angle = M_PI; |
| translate_x = 0; |
| translate_y = surface_height; |
| break; |
| case WL_OUTPUT_TRANSFORM_270: |
| angle = M_PI + M_PI_2; |
| translate_x = 0; |
| translate_y = surface_width; |
| break; |
| case WL_OUTPUT_TRANSFORM_FLIPPED_270: |
| angle = M_PI + M_PI_2; |
| translate_x = 0; |
| translate_y = 0; |
| break; |
| } |
| |
| cairo_scale(cr, scale, scale); |
| cairo_translate(cr, translate_x, translate_y); |
| cairo_rotate(cr, angle); |
| cairo_transform(cr, &m); |
| } |
| |
| cairo_t * |
| widget_cairo_create(struct widget *widget) |
| { |
| struct surface *surface = widget->surface; |
| cairo_surface_t *cairo_surface; |
| cairo_t *cr; |
| |
| cairo_surface = widget_get_cairo_surface(widget); |
| cr = cairo_create(cairo_surface); |
| |
| widget_cairo_update_transform(widget, cr); |
| |
| cairo_translate(cr, -surface->allocation.x, -surface->allocation.y); |
| |
| return cr; |
| } |
| |
| struct wl_surface * |
| widget_get_wl_surface(struct widget *widget) |
| { |
| return widget->surface->surface; |
| } |
| |
| struct wl_subsurface * |
| widget_get_wl_subsurface(struct widget *widget) |
| { |
| return widget->surface->subsurface; |
| } |
| |
| uint32_t |
| widget_get_last_time(struct widget *widget) |
| { |
| return widget->surface->last_time; |
| } |
| |
| void |
| widget_input_region_add(struct widget *widget, const struct rectangle *rect) |
| { |
| struct wl_compositor *comp = widget->window->display->compositor; |
| struct surface *surface = widget->surface; |
| |
| if (!surface->input_region) |
| surface->input_region = wl_compositor_create_region(comp); |
| |
| if (rect) { |
| wl_region_add(surface->input_region, |
| rect->x, rect->y, rect->width, rect->height); |
| } |
| } |
| |
| void |
| widget_set_resize_handler(struct widget *widget, |
| widget_resize_handler_t handler) |
| { |
| widget->resize_handler = handler; |
| } |
| |
| void |
| widget_set_redraw_handler(struct widget *widget, |
| widget_redraw_handler_t handler) |
| { |
| widget->redraw_handler = handler; |
| } |
| |
| void |
| widget_set_enter_handler(struct widget *widget, widget_enter_handler_t handler) |
| { |
| widget->enter_handler = handler; |
| } |
| |
| void |
| widget_set_leave_handler(struct widget *widget, widget_leave_handler_t handler) |
| { |
| widget->leave_handler = handler; |
| } |
| |
| void |
| widget_set_motion_handler(struct widget *widget, |
| widget_motion_handler_t handler) |
| { |
| widget->motion_handler = handler; |
| } |
| |
| void |
| widget_set_button_handler(struct widget *widget, |
| widget_button_handler_t handler) |
| { |
| widget->button_handler = handler; |
| } |
| |
| void |
| widget_set_touch_up_handler(struct widget *widget, |
| widget_touch_up_handler_t handler) |
| { |
| widget->touch_up_handler = handler; |
| } |
| |
| void |
| widget_set_touch_down_handler(struct widget *widget, |
| widget_touch_down_handler_t handler) |
| { |
| widget->touch_down_handler = handler; |
| } |
| |
| void |
| widget_set_touch_motion_handler(struct widget *widget, |
| widget_touch_motion_handler_t handler) |
| { |
| widget->touch_motion_handler = handler; |
| } |
| |
| void |
| widget_set_touch_frame_handler(struct widget *widget, |
| widget_touch_frame_handler_t handler) |
| { |
| widget->touch_frame_handler = handler; |
| } |
| |
| void |
| widget_set_touch_cancel_handler(struct widget *widget, |
| widget_touch_cancel_handler_t handler) |
| { |
| widget->touch_cancel_handler = handler; |
| } |
| |
| void |
| widget_set_axis_handler(struct widget *widget, |
| widget_axis_handler_t handler) |
| { |
| widget->axis_handler = handler; |
| } |
| |
| void |
| widget_set_pointer_frame_handler(struct widget *widget, |
| widget_pointer_frame_handler_t handler) |
| { |
| widget->pointer_frame_handler = handler; |
| } |
| |
| void |
| widget_set_axis_handlers(struct widget *widget, |
| widget_axis_handler_t axis_handler, |
| widget_axis_source_handler_t axis_source_handler, |
| widget_axis_stop_handler_t axis_stop_handler, |
| widget_axis_discrete_handler_t axis_discrete_handler) |
| { |
| widget->axis_handler = axis_handler; |
| widget->axis_source_handler = axis_source_handler; |
| widget->axis_stop_handler = axis_stop_handler; |
| widget->axis_discrete_handler = axis_discrete_handler; |
| } |
| |
| static void |
| window_schedule_redraw_task(struct window *window); |
| |
| void |
| widget_schedule_redraw(struct widget *widget) |
| { |
| DBG_OBJ(widget->surface->surface, "widget %p\n", widget); |
| widget->surface->redraw_needed = 1; |
| window_schedule_redraw_task(widget->window); |
| } |
| |
| void |
| widget_set_use_cairo(struct widget *widget, |
| int use_cairo) |
| { |
| widget->use_cairo = use_cairo; |
| } |
| |
| cairo_surface_t * |
| window_get_surface(struct window *window) |
| { |
| cairo_surface_t *cairo_surface; |
| |
| cairo_surface = widget_get_cairo_surface(window->main_surface->widget); |
| |
| return cairo_surface_reference(cairo_surface); |
| } |
| |
| struct wl_surface * |
| window_get_wl_surface(struct window *window) |
| { |
| return window->main_surface->surface; |
| } |
| |
| static void |
| tooltip_redraw_handler(struct widget *widget, void *data) |
| { |
| cairo_t *cr; |
| const int32_t r = 3; |
| struct tooltip *tooltip = data; |
| int32_t width, height; |
| |
| cr = widget_cairo_create(widget); |
| cairo_translate(cr, widget->allocation.x, widget->allocation.y); |
| cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); |
| cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.0); |
| cairo_paint(cr); |
| |
| width = widget->allocation.width; |
| height = widget->allocation.height; |
| rounded_rect(cr, 0, 0, width, height, r); |
| |
| cairo_set_operator(cr, CAIRO_OPERATOR_OVER); |
| cairo_set_source_rgba(cr, 0.0, 0.0, 0.4, 0.8); |
| cairo_fill(cr); |
| |
| cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); |
| cairo_move_to(cr, 10, 16); |
| cairo_show_text(cr, tooltip->entry); |
| cairo_destroy(cr); |
| } |
| |
| static cairo_text_extents_t |
| get_text_extents(struct display *display, struct tooltip *tooltip) |
| { |
| cairo_t *cr; |
| cairo_text_extents_t extents; |
| |
| /* Use the dummy_surface because the tooltip's surface was not |
| * created yet, and parent does not have a valid surface |
| * outside repaint, either. |
| */ |
| cr = cairo_create(display->dummy_surface); |
| cairo_text_extents(cr, tooltip->entry, &extents); |
| cairo_destroy(cr); |
| |
| return extents; |
| } |
| |
| static int |
| window_create_tooltip(struct tooltip *tooltip) |
| { |
| struct widget *parent = tooltip->parent; |
| struct display *display = parent->window->display; |
| const int offset_y = 27; |
| const int margin = 3; |
| cairo_text_extents_t extents; |
| |
| if (tooltip->widget) |
| return 0; |
| |
| tooltip->widget = window_add_subsurface(parent->window, tooltip, SUBSURFACE_DESYNCHRONIZED); |
| |
| extents = get_text_extents(display, tooltip); |
| widget_set_redraw_handler(tooltip->widget, tooltip_redraw_handler); |
| widget_set_allocation(tooltip->widget, |
| tooltip->x, tooltip->y + offset_y, |
| extents.width + 20, 20 + margin * 2); |
| |
| return 0; |
| } |
| |
| void |
| widget_destroy_tooltip(struct widget *parent) |
| { |
| struct tooltip *tooltip = parent->tooltip; |
| |
| parent->tooltip_count = 0; |
| if (!tooltip) |
| return; |
| |
| if (tooltip->widget) { |
| widget_destroy(tooltip->widget); |
| tooltip->widget = NULL; |
| } |
| |
| toytimer_fini(&tooltip->timer); |
| free(tooltip->entry); |
| free(tooltip); |
| parent->tooltip = NULL; |
| } |
| |
| static void |
| tooltip_func(struct toytimer *tt) |
| { |
| struct tooltip *tooltip = container_of(tt, struct tooltip, timer); |
| |
| window_create_tooltip(tooltip); |
| } |
| |
| #define TOOLTIP_TIMEOUT 500 |
| static int |
| tooltip_timer_reset(struct tooltip *tooltip) |
| { |
| toytimer_arm_once_usec(&tooltip->timer, TOOLTIP_TIMEOUT * 1000); |
| |
| return 0; |
| } |
| |
| int |
| widget_set_tooltip(struct widget *parent, char *entry, float x, float y) |
| { |
| struct tooltip *tooltip = parent->tooltip; |
| |
| parent->tooltip_count++; |
| if (tooltip) { |
| tooltip->x = x; |
| tooltip->y = y; |
| tooltip_timer_reset(tooltip); |
| return 0; |
| } |
| |
| /* the handler might be triggered too fast via input device motion, so |
| * we need this check here to make sure tooltip is fully initialized */ |
| if (parent->tooltip_count > 1) |
| return 0; |
| |
| tooltip = malloc(sizeof *tooltip); |
| if (!tooltip) |
| return -1; |
| |
| parent->tooltip = tooltip; |
| tooltip->parent = parent; |
| tooltip->widget = NULL; |
| tooltip->x = x; |
| tooltip->y = y; |
| tooltip->entry = strdup(entry); |
| toytimer_init(&tooltip->timer, CLOCK_MONOTONIC, |
| parent->window->display, tooltip_func); |
| tooltip_timer_reset(tooltip); |
| |
| return 0; |
| } |
| |
| static void |
| frame_resize_handler(struct widget *widget, |
| int32_t width, int32_t height, void *data) |
| { |
| struct window_frame *frame = data; |
| struct widget *child = frame->child; |
| struct rectangle interior; |
| struct rectangle input; |
| struct rectangle opaque; |
| |
| if (widget->window->fullscreen) { |
| interior.x = 0; |
| interior.y = 0; |
| interior.width = width; |
| interior.height = height; |
| } else { |
| frame_resize(frame->frame, width, height); |
| frame_interior(frame->frame, &interior.x, &interior.y, |
| &interior.width, &interior.height); |
| } |
| |
| widget_set_allocation(child, interior.x, interior.y, |
| interior.width, interior.height); |
| |
| if (child->resize_handler) { |
| child->resize_handler(child, interior.width, interior.height, |
| child->user_data); |
| |
| if (widget->window->fullscreen) { |
| width = child->allocation.width; |
| height = child->allocation.height; |
| } else { |
| frame_resize_inside(frame->frame, |
| child->allocation.width, |
| child->allocation.height); |
| width = frame_width(frame->frame); |
| height = frame_height(frame->frame); |
| } |
| } |
| |
| widget_set_allocation(widget, 0, 0, width, height); |
| |
| widget->surface->input_region = |
| wl_compositor_create_region(widget->window->display->compositor); |
| if (!widget->window->fullscreen) { |
| frame_input_rect(frame->frame, &input.x, &input.y, |
| &input.width, &input.height); |
| wl_region_add(widget->surface->input_region, |
| input.x, input.y, input.width, input.height); |
| } else { |
| wl_region_add(widget->surface->input_region, 0, 0, width, height); |
| } |
| |
| widget_set_allocation(widget, 0, 0, width, height); |
| |
| if (child->opaque) { |
| if (!widget->window->fullscreen) { |
| frame_opaque_rect(frame->frame, &opaque.x, &opaque.y, |
| &opaque.width, &opaque.height); |
| |
| wl_region_add(widget->surface->opaque_region, |
| opaque.x, opaque.y, |
| opaque.width, opaque.height); |
| } else { |
| wl_region_add(widget->surface->opaque_region, |
| 0, 0, width, height); |
| } |
| } |
| |
| |
| widget_schedule_redraw(widget); |
| } |
| |
| static void |
| frame_redraw_handler(struct widget *widget, void *data) |
| { |
| cairo_t *cr; |
| struct window_frame *frame = data; |
| struct window *window = widget->window; |
| |
| if (window->fullscreen) |
| return; |
| |
| cr = widget_cairo_create(widget); |
| |
| frame_repaint(frame->frame, cr); |
| |
| cairo_destroy(cr); |
| } |
| |
| static int |
| frame_get_pointer_image_for_location(struct window_frame *frame, |
| enum theme_location location) |
| { |
| struct window *window = frame->widget->window; |
| |
| if (window->custom) |
| return CURSOR_LEFT_PTR; |
| |
| switch (location) { |
| case THEME_LOCATION_RESIZING_TOP: |
| return CURSOR_TOP; |
| case THEME_LOCATION_RESIZING_BOTTOM: |
| return CURSOR_BOTTOM; |
| case THEME_LOCATION_RESIZING_LEFT: |
| return CURSOR_LEFT; |
| case THEME_LOCATION_RESIZING_RIGHT: |
| return CURSOR_RIGHT; |
| case THEME_LOCATION_RESIZING_TOP_LEFT: |
| return CURSOR_TOP_LEFT; |
| case THEME_LOCATION_RESIZING_TOP_RIGHT: |
| return CURSOR_TOP_RIGHT; |
| case THEME_LOCATION_RESIZING_BOTTOM_LEFT: |
| return CURSOR_BOTTOM_LEFT; |
| case THEME_LOCATION_RESIZING_BOTTOM_RIGHT: |
| return CURSOR_BOTTOM_RIGHT; |
| case THEME_LOCATION_EXTERIOR: |
| case THEME_LOCATION_TITLEBAR: |
| default: |
| return CURSOR_LEFT_PTR; |
| } |
| } |
| |
| static void |
| frame_menu_func(void *data, struct input *input, int index) |
| { |
| struct window *window = data; |
| |
| switch (index) { |
| case 0: /* close */ |
| window_close(window); |
| break; |
| case 1: /* fullscreen */ |
| /* we don't have a way to get out of fullscreen for now */ |
| if (window->fullscreen_handler) |
| window->fullscreen_handler(window, window->user_data); |
| break; |
| } |
| } |
| |
| void |
| window_show_frame_menu(struct window *window, |
| struct input *input, uint32_t time) |
| { |
| int32_t x, y; |
| int count; |
| |
| static const char *entries[] = { |
| "Close", |
| "Fullscreen" |
| }; |
| |
| if (window->fullscreen_handler) |
| count = ARRAY_LENGTH(entries); |
| else |
| count = ARRAY_LENGTH(entries) - 1; |
| |
| input_get_position(input, &x, &y); |
| window_show_menu(window->display, input, time, window, |
| x - 10, y - 10, frame_menu_func, entries, count); |
| } |
| |
| static int |
| frame_enter_handler(struct widget *widget, |
| struct input *input, float x, float y, void *data) |
| { |
| struct window_frame *frame = data; |
| enum theme_location location; |
| |
| location = frame_pointer_enter(frame->frame, input, x, y); |
| if (frame_status(frame->frame) & FRAME_STATUS_REPAINT) |
| widget_schedule_redraw(frame->widget); |
| |
| return frame_get_pointer_image_for_location(data, location); |
| } |
| |
| static int |
| frame_motion_handler(struct widget *widget, |
| struct input *input, uint32_t time, |
| float x, float y, void *data) |
| { |
| struct window_frame *frame = data; |
| enum theme_location location; |
| |
| location = frame_pointer_motion(frame->frame, input, x, y); |
| if (frame_status(frame->frame) & FRAME_STATUS_REPAINT) |
| widget_schedule_redraw(frame->widget); |
| |
| return frame_get_pointer_image_for_location(data, location); |
| } |
| |
| static void |
| frame_leave_handler(struct widget *widget, |
| struct input *input, void *data) |
| { |
| struct window_frame *frame = data; |
| |
| frame_pointer_leave(frame->frame, input); |
| if (frame_status(frame->frame) & FRAME_STATUS_REPAINT) |
| widget_schedule_redraw(frame->widget); |
| } |
| |
| static void |
| frame_handle_status(struct window_frame *frame, struct input *input, |
| uint32_t time, enum theme_location location) |
| { |
| struct window *window = frame->widget->window; |
| uint32_t status; |
| |
| status = frame_status(frame->frame); |
| if (status & FRAME_STATUS_REPAINT) |
| widget_schedule_redraw(frame->widget); |
| |
| if (status & FRAME_STATUS_MINIMIZE) { |
| window_set_minimized(window); |
| frame_status_clear(frame->frame, FRAME_STATUS_MINIMIZE); |
| } |
| |
| if (status & FRAME_STATUS_MENU) { |
| window_show_frame_menu(window, input, time); |
| frame_status_clear(frame->frame, FRAME_STATUS_MENU); |
| } |
| |
| if (status & FRAME_STATUS_MAXIMIZE) { |
| window_set_maximized(window, !window->maximized); |
| frame_status_clear(frame->frame, FRAME_STATUS_MAXIMIZE); |
| } |
| |
| if (status & FRAME_STATUS_CLOSE) { |
| window_close(window); |
| return; |
| } |
| |
| if ((status & FRAME_STATUS_MOVE) && window->xdg_toplevel) { |
| input_ungrab(input); |
| zxdg_toplevel_v6_move(window->xdg_toplevel, |
| input_get_seat(input), |
| window->display->serial); |
| |
| frame_status_clear(frame->frame, FRAME_STATUS_MOVE); |
| } |
| |
| if ((status & FRAME_STATUS_RESIZE) && window->xdg_toplevel) { |
| input_ungrab(input); |
| |
| zxdg_toplevel_v6_resize(window->xdg_toplevel, |
| input_get_seat(input), |
| window->display->serial, |
| location); |
| |
| frame_status_clear(frame->frame, FRAME_STATUS_RESIZE); |
| } |
| } |
| |
| #define DOUBLE_CLICK_PERIOD 250 |
| static void |
| frame_button_handler(struct widget *widget, |
| struct input *input, uint32_t time, |
| uint32_t button, enum wl_pointer_button_state state, |
| void *data) |
| |
| { |
| struct window_frame *frame = data; |
| enum theme_location location; |
| |
| frame->double_click = 0; |
| if (state == WL_POINTER_BUTTON_STATE_PRESSED) { |
| if (time - frame->last_time <= DOUBLE_CLICK_PERIOD) { |
| frame->double_click = 1; |
| frame->did_double = 1; |
| } else |
| frame->did_double = 0; |
| |
| frame->last_time = time; |
| } else if (frame->did_double == 1) { |
| frame->double_click = 1; |
| frame->did_double = 0; |
| } |
| |
| if (frame->double_click) |
| location = frame_double_click(frame->frame, input, |
| button, state); |
| else |
| location = frame_pointer_button(frame->frame, input, |
| button, state); |
| |
| frame_handle_status(frame, input, time, location); |
| } |
| |
| static void |
| frame_touch_down_handler(struct widget *widget, struct input *input, |
| uint32_t serial, uint32_t time, int32_t id, |
| float x, float y, void *data) |
| { |
| struct window_frame *frame = data; |
| |
| frame->double_click = 0; |
| if (time - frame->last_time <= DOUBLE_CLICK_PERIOD && |
| frame->last_id == id) { |
| frame->double_click = 1; |
| frame->did_double = 1; |
| frame->double_id = id; |
| } else |
| frame->did_double = 0; |
| |
| frame->last_time = time; |
| frame->last_id = id; |
| |
| if (frame->double_click) |
| frame_double_touch_down(frame->frame, input, id, x, y); |
| else |
| frame_touch_down(frame->frame, input, id, x, y); |
| |
| frame_handle_status(frame, input, time, THEME_LOCATION_CLIENT_AREA); |
| } |
| |
| static void |
| frame_touch_up_handler(struct widget *widget, |
| struct input *input, uint32_t serial, uint32_t time, |
| int32_t id, void *data) |
| { |
| struct window_frame *frame = data; |
| |
| if (frame->double_id == id && frame->did_double) { |
| frame->did_double = 0; |
| frame->double_id = 0; |
| frame_double_touch_up(frame->frame, input, id); |
| } else |
| frame_touch_up(frame->frame, input, id); |
| frame_handle_status(frame, input, time, THEME_LOCATION_CLIENT_AREA); |
| } |
| |
| struct widget * |
| window_frame_create(struct window *window, void *data) |
| { |
| struct window_frame *frame; |
| uint32_t buttons; |
| |
| if (window->custom) { |
| buttons = FRAME_BUTTON_NONE; |
| } else { |
| buttons = FRAME_BUTTON_ALL; |
| } |
| |
| frame = xzalloc(sizeof *frame); |
| frame->frame = frame_create(window->display->theme, 0, 0, |
| buttons, window->title, NULL); |
| |
| frame->widget = window_add_widget(window, frame); |
| frame->child = widget_add_widget(frame->widget, data); |
| |
| widget_set_redraw_handler(frame->widget, frame_redraw_handler); |
| widget_set_resize_handler(frame->widget, frame_resize_handler); |
| widget_set_enter_handler(frame->widget, frame_enter_handler); |
| widget_set_leave_handler(frame->widget, frame_leave_handler); |
| widget_set_motion_handler(frame->widget, frame_motion_handler); |
| widget_set_button_handler(frame->widget, frame_button_handler); |
| widget_set_touch_down_handler(frame->widget, frame_touch_down_handler); |
| widget_set_touch_up_handler(frame->widget, frame_touch_up_handler); |
| |
| window->frame = frame; |
| |
| return frame->child; |
| } |
| |
| void |
| window_frame_set_child_size(struct widget *widget, int child_width, |
| int child_height) |
| { |
| struct display *display = widget->window->display; |
| struct theme *t = display->theme; |
| int decoration_width, decoration_height; |
| int width, height; |
| int margin = widget->window->maximized ? 0 : t->margin; |
| |
| if (!widget->window->fullscreen) { |
| decoration_width = (t->width + margin) * 2; |
| decoration_height = t->width + |
| t->titlebar_height + margin * 2; |
| |
| width = child_width + decoration_width; |
| height = child_height + decoration_height; |
| } else { |
| width = child_width; |
| height = child_height; |
| } |
| |
| window_schedule_resize(widget->window, width, height); |
| } |
| |
| static void |
| window_frame_destroy(struct window_frame *frame) |
| { |
| frame_destroy(frame->frame); |
| |
| /* frame->child must be destroyed by the application */ |
| widget_destroy(frame->widget); |
| free(frame); |
| } |
| |
| static void |
| input_set_focus_widget(struct input *input, struct widget *focus, |
| float x, float y) |
| { |
| struct widget *old, *widget; |
| int cursor; |
| |
| if (focus == input->focus_widget) |
| return; |
| |
| old = input->focus_widget; |
| if (old) { |
| widget = old; |
| if (input->grab) |
| widget = input->grab; |
| if (widget->leave_handler) |
| widget->leave_handler(old, input, widget->user_data); |
| input->focus_widget = NULL; |
| } |
| |
| if (focus) { |
| widget = focus; |
| if (input->grab) |
| widget = input->grab; |
| input->focus_widget = focus; |
| if (widget->enter_handler) |
| cursor = widget->enter_handler(focus, input, x, y, |
| widget->user_data); |
| else |
| cursor = widget->default_cursor; |
| |
| input_set_pointer_image(input, cursor); |
| } |
| } |
| |
| void |
| touch_grab(struct input *input, int32_t touch_id) |
| { |
| input->touch_grab = 1; |
| input->touch_grab_id = touch_id; |
| } |
| |
| void |
| touch_ungrab(struct input *input) |
| { |
| struct touch_point *tp, *tmp; |
| |
| input->touch_grab = 0; |
| |
| wl_list_for_each_safe(tp, tmp, |
| &input->touch_point_list, link) { |
| if (tp->id != input->touch_grab_id) |
| continue; |
| wl_list_remove(&tp->link); |
| free(tp); |
| |
| return; |
| } |
| } |
| |
| void |
| input_grab(struct input *input, struct widget *widget, uint32_t button) |
| { |
| input->grab = widget; |
| input->grab_button = button; |
| |
| input_set_focus_widget(input, widget, input->sx, input->sy); |
| } |
| |
| void |
| input_ungrab(struct input *input) |
| { |
| struct widget *widget; |
| |
| input->grab = NULL; |
| if (input->pointer_focus) { |
| widget = window_find_widget(input->pointer_focus, |
| input->sx, input->sy); |
| input_set_focus_widget(input, widget, input->sx, input->sy); |
| } |
| } |
| |
| static void |
| cursor_delay_timer_reset(struct input *input, uint32_t duration) |
| { |
| if (!duration) |
| input->cursor_timer_running = false; |
| else |
| input->cursor_timer_running = true; |
| |
| toytimer_arm_once_usec(&input->cursor_timer, duration * 1000); |
| } |
| |
| static void cancel_pointer_image_update(struct input *input) |
| { |
| if (input->cursor_timer_running) |
| cursor_delay_timer_reset(input, 0); |
| } |
| |
| static void |
| input_remove_pointer_focus(struct input *input) |
| { |
| struct window *window = input->pointer_focus; |
| |
| if (!window) |
| return; |
| |
| input_set_focus_widget(input, NULL, 0, 0); |
| |
| input->pointer_focus = NULL; |
| input->current_cursor = CURSOR_UNSET; |
| cancel_pointer_image_update(input); |
| } |
| |
| static void |
| pointer_handle_enter(void *data, struct wl_pointer *pointer, |
| uint32_t serial, struct wl_surface *surface, |
| wl_fixed_t sx_w, wl_fixed_t sy_w) |
| { |
| struct input *input = data; |
| struct window *window; |
| struct widget *widget; |
| float sx = wl_fixed_to_double(sx_w); |
| float sy = wl_fixed_to_double(sy_w); |
| |
| if (!surface) { |
| /* enter event for a window we've just destroyed */ |
| return; |
| } |
| |
| window = wl_surface_get_user_data(surface); |
| if (surface != window->main_surface->surface) { |
| DBG("Ignoring input event from subsurface %p\n", surface); |
| return; |
| } |
| |
| input->display->serial = serial; |
| input->pointer_enter_serial = serial; |
| input->pointer_focus = window; |
| |
| input->sx = sx; |
| input->sy = sy; |
| |
| widget = window_find_widget(window, sx, sy); |
| input_set_focus_widget(input, widget, sx, sy); |
| } |
| |
| static void |
| pointer_handle_leave(void *data, struct wl_pointer *pointer, |
| uint32_t serial, struct wl_surface *surface) |
| { |
| struct input *input = data; |
| |
| input->display->serial = serial; |
| input_remove_pointer_focus(input); |
| } |
| |
| static void |
| pointer_handle_motion(void *data, struct wl_pointer *pointer, |
| uint32_t time, wl_fixed_t sx_w, wl_fixed_t sy_w) |
| { |
| struct input *input = data; |
| struct window *window = input->pointer_focus; |
| struct widget *widget; |
| int cursor; |
| float sx = wl_fixed_to_double(sx_w); |
| float sy = wl_fixed_to_double(sy_w); |
| |
| if (!window) |
| return; |
| |
| input->sx = sx; |
| input->sy = sy; |
| |
| /* when making the window smaller - e.g. after an unmaximise we might |
| * still have a pending motion event that the compositor has picked |
| * based on the old surface dimensions. However, if we have an active |
| * grab, we expect to see input from outside the window anyway. |
| */ |
| if (!input->grab && (sx < window->main_surface->allocation.x || |
| sy < window->main_surface->allocation.y || |
| sx > window->main_surface->allocation.width || |
| sy > window->main_surface->allocation.height)) |
| return; |
| |
| if (!(input->grab && input->grab_button)) { |
| widget = window_find_widget(window, sx, sy); |
| input_set_focus_widget(input, widget, sx, sy); |
| } |
| |
| if (input->grab) |
| widget = input->grab; |
| else |
| widget = input->focus_widget; |
| if (widget) { |
| if (widget->motion_handler) |
| cursor = widget->motion_handler(input->focus_widget, |
| input, time, sx, sy, |
| widget->user_data); |
| else |
| cursor = widget->default_cursor; |
| } else |
| cursor = CURSOR_LEFT_PTR; |
| |
| input_set_pointer_image(input, cursor); |
| } |
| |
| static void |
| pointer_handle_button(void *data, struct wl_pointer *pointer, uint32_t serial, |
| uint32_t time, uint32_t button, uint32_t state_w) |
| { |
| struct input *input = data; |
| struct widget *widget; |
| enum wl_pointer_button_state state = state_w; |
| |
| input->display->serial = serial; |
| if (input->focus_widget && input->grab == NULL && |
| state == WL_POINTER_BUTTON_STATE_PRESSED) |
| input_grab(input, input->focus_widget, button); |
| |
| widget = input->grab; |
| if (widget && widget->button_handler) |
| (*widget->button_handler)(widget, |
| input, time, |
| button, state, |
| input->grab->user_data); |
| |
| if (input->grab && input->grab_button == button && |
| state == WL_POINTER_BUTTON_STATE_RELEASED) |
| input_ungrab(input); |
| } |
| |
| static void |
| pointer_handle_axis(void *data, struct wl_pointer *pointer, |
| uint32_t time, uint32_t axis, wl_fixed_t value) |
| { |
| struct input *input = data; |
| struct widget *widget; |
| |
| widget = input->focus_widget; |
| if (input->grab) |
| widget = input->grab; |
| if (widget && widget->axis_handler) |
| (*widget->axis_handler)(widget, |
| input, time, |
| axis, value, |
| widget->user_data); |
| } |
| |
| static void |
| pointer_handle_frame(void *data, struct wl_pointer *pointer) |
| { |
| struct input *input = data; |
| struct widget *widget; |
| |
| widget = input->focus_widget; |
| if (input->grab) |
| widget = input->grab; |
| if (widget && widget->pointer_frame_handler) |
| (*widget->pointer_frame_handler)(widget, |
| input, |
| widget->user_data); |
| } |
| |
| static void |
| pointer_handle_axis_source(void *data, struct wl_pointer *pointer, |
| uint32_t source) |
| { |
| struct input *input = data; |
| struct widget *widget; |
| |
| widget = input->focus_widget; |
| if (input->grab) |
| widget = input->grab; |
| if (widget && widget->axis_source_handler) |
| (*widget->axis_source_handler)(widget, |
| input, |
| source, |
| widget->user_data); |
| } |
| |
| static void |
| pointer_handle_axis_stop(void *data, struct wl_pointer *pointer, |
| uint32_t time, uint32_t axis) |
| { |
| struct input *input = data; |
| struct widget *widget; |
| |
| widget = input->focus_widget; |
| if (input->grab) |
| widget = input->grab; |
| if (widget && widget->axis_stop_handler) |
| (*widget->axis_stop_handler)(widget, |
| input, time, |
| axis, |
| widget->user_data); |
| } |
| |
| static void |
| pointer_handle_axis_discrete(void *data, struct wl_pointer *pointer, |
| uint32_t axis, int32_t discrete) |
| { |
| struct input *input = data; |
| struct widget *widget; |
| |
| widget = input->focus_widget; |
| if (input->grab) |
| widget = input->grab; |
| if (widget && widget->axis_discrete_handler) |
| (*widget->axis_discrete_handler)(widget, |
| input, |
| axis, |
| discrete, |
| widget->user_data); |
| } |
| |
| static const struct wl_pointer_listener pointer_listener = { |
| pointer_handle_enter, |
| pointer_handle_leave, |
| pointer_handle_motion, |
| pointer_handle_button, |
| pointer_handle_axis, |
| pointer_handle_frame, |
| pointer_handle_axis_source, |
| pointer_handle_axis_stop, |
| pointer_handle_axis_discrete, |
| }; |
| |
| static void |
| input_remove_keyboard_focus(struct input *input) |
| { |
| struct window *window = input->keyboard_focus; |
| |
| toytimer_disarm(&input->repeat_timer); |
| |
| if (!window) |
| return; |
| |
| if (window->keyboard_focus_handler) |
| (*window->keyboard_focus_handler)(window, NULL, |
| window->user_data); |
| |
| input->keyboard_focus = NULL; |
| } |
| |
| static void |
| keyboard_repeat_func(struct toytimer *tt) |
| { |
| struct input *input = container_of(tt, struct input, repeat_timer); |
| struct window *window = input->keyboard_focus; |
| |
| if (window && window->key_handler) { |
| (*window->key_handler)(window, input, input->repeat_time, |
| input->repeat_key, input->repeat_sym, |
| WL_KEYBOARD_KEY_STATE_PRESSED, |
| window->user_data); |
| } |
| } |
| |
| static void |
| keyboard_handle_keymap(void *data, struct wl_keyboard *keyboard, |
| uint32_t format, int fd, uint32_t size) |
| { |
| struct input *input = data; |
| struct xkb_keymap *keymap; |
| struct xkb_state *state; |
| #ifdef HAVE_XKBCOMMON_COMPOSE |
| struct xkb_compose_table *compose_table; |
| struct xkb_compose_state *compose_state; |
| #endif |
| char *locale; |
| char *map_str; |
| |
| if (!data) { |
| close(fd); |
| return; |
| } |
| |
| if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1) { |
| close(fd); |
| return; |
| } |
| |
| map_str = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0); |
| if (map_str == MAP_FAILED) { |
| close(fd); |
| return; |
| } |
| |
| /* Set up XKB keymap */ |
| keymap = xkb_keymap_new_from_string(input->display->xkb_context, |
| map_str, |
| XKB_KEYMAP_FORMAT_TEXT_V1, |
| 0); |
| munmap(map_str, size); |
| close(fd); |
| |
| if (!keymap) { |
| fprintf(stderr, "failed to compile keymap\n"); |
| return; |
| } |
| |
| /* Set up XKB state */ |
| state = xkb_state_new(keymap); |
| if (!state) { |
| fprintf(stderr, "failed to create XKB state\n"); |
| xkb_keymap_unref(keymap); |
| return; |
| } |
| |
| /* Look up the preferred locale, falling back to "C" as default */ |
| if (!(locale = getenv("LC_ALL"))) |
| if (!(locale = getenv("LC_CTYPE"))) |
| if (!(locale = getenv("LANG"))) |
| locale = "C"; |
| |
| /* Set up XKB compose table */ |
| #ifdef HAVE_XKBCOMMON_COMPOSE |
| compose_table = |
| xkb_compose_table_new_from_locale(input->display->xkb_context, |
| locale, |
| XKB_COMPOSE_COMPILE_NO_FLAGS); |
| if (compose_table) { |
| /* Set up XKB compose state */ |
| compose_state = xkb_compose_state_new(compose_table, |
| XKB_COMPOSE_STATE_NO_FLAGS); |
| if (compose_state) { |
| xkb_compose_state_unref(input->xkb.compose_state); |
| xkb_compose_table_unref(input->xkb.compose_table); |
| input->xkb.compose_state = compose_state; |
| input->xkb.compose_table = compose_table; |
| } else { |
| fprintf(stderr, "could not create XKB compose state. " |
| "Disabiling compose.\n"); |
| xkb_compose_table_unref(compose_table); |
| compose_table = NULL; |
| } |
| } else { |
| fprintf(stderr, "could not create XKB compose table for locale '%s'. " |
| "Disabiling compose\n", locale); |
| } |
| #endif |
| |
| xkb_keymap_unref(input->xkb.keymap); |
| xkb_state_unref(input->xkb.state); |
| input->xkb.keymap = keymap; |
| input->xkb.state = state; |
| |
| input->xkb.control_mask = |
| 1 << xkb_keymap_mod_get_index(input->xkb.keymap, "Control"); |
| input->xkb.alt_mask = |
| 1 << xkb_keymap_mod_get_index(input->xkb.keymap, "Mod1"); |
| input->xkb.shift_mask = |
| 1 << xkb_keymap_mod_get_index(input->xkb.keymap, "Shift"); |
| } |
| |
| static void |
| keyboard_handle_enter(void *data, struct wl_keyboard *keyboard, |
| uint32_t serial, struct wl_surface *surface, |
| struct wl_array *keys) |
| { |
| struct input *input = data; |
| struct window *window; |
| |
| if (!surface) { |
| /* enter event for a window we've just destroyed */ |
| return; |
| } |
| |
| input->display->serial = serial; |
| input->keyboard_focus = wl_surface_get_user_data(surface); |
| |
| window = input->keyboard_focus; |
| if (window->keyboard_focus_handler) |
| (*window->keyboard_focus_handler)(window, |
| input, window->user_data); |
| } |
| |
| static void |
| keyboard_handle_leave(void *data, struct wl_keyboard *keyboard, |
| uint32_t serial, struct wl_surface *surface) |
| { |
| struct input *input = data; |
| |
| input->display->serial = serial; |
| input_remove_keyboard_focus(input); |
| } |
| |
| /* Translate symbols appropriately if a compose sequence is being entered */ |
| static xkb_keysym_t |
| process_key_press(xkb_keysym_t sym, struct input *input) |
| { |
| #ifdef HAVE_XKBCOMMON_COMPOSE |
| if (!input->xkb.compose_state) |
| return sym; |
| if (sym == XKB_KEY_NoSymbol) |
| return sym; |
| if (xkb_compose_state_feed(input->xkb.compose_state, |
| sym) != XKB_COMPOSE_FEED_ACCEPTED) |
| return sym; |
| |
| switch (xkb_compose_state_get_status(input->xkb.compose_state)) { |
| case XKB_COMPOSE_COMPOSING: |
| return XKB_KEY_NoSymbol; |
| case XKB_COMPOSE_COMPOSED: |
| return xkb_compose_state_get_one_sym(input->xkb.compose_state); |
| case XKB_COMPOSE_CANCELLED: |
| return XKB_KEY_NoSymbol; |
| case XKB_COMPOSE_NOTHING: |
| return sym; |
| default: |
| return sym; |
| } |
| #else |
| return sym; |
| #endif |
| } |
| |
| static void |
| keyboard_handle_key(void *data, struct wl_keyboard *keyboard, |
| uint32_t serial, uint32_t time, uint32_t key, |
| uint32_t state_w) |
| { |
| struct input *input = data; |
| struct window *window = input->keyboard_focus; |
| uint32_t code, num_syms; |
| enum wl_keyboard_key_state state = state_w; |
| const xkb_keysym_t *syms; |
| xkb_keysym_t sym; |
| struct itimerspec its; |
| |
| input->display->serial = serial; |
| code = key + 8; |
| if (!window || !input->xkb.state) |
| return; |
| |
| /* We only use input grabs for pointer events for now, so just |
| * ignore key presses if a grab is active. We expand the key |
| * event delivery mechanism to route events to widgets to |
| * properly handle key grabs. In the meantime, this prevents |
| * key event delivery while a grab is active. */ |
| if (input->grab && input->grab_button == 0) |
| return; |
| |
| num_syms = xkb_state_key_get_syms(input->xkb.state, code, &syms); |
| |
| sym = XKB_KEY_NoSymbol; |
| if (num_syms == 1) |
| sym = syms[0]; |
| |
| |
| if (sym == XKB_KEY_F5 && input->modifiers == MOD_ALT_MASK) { |
| if (state == WL_KEYBOARD_KEY_STATE_PRESSED) |
| window_set_maximized(window, !window->maximized); |
| } else if (sym == XKB_KEY_F11 && |
| window->fullscreen_handler && |
| state == WL_KEYBOARD_KEY_STATE_PRESSED) { |
| window->fullscreen_handler(window, window->user_data); |
| } else if (sym == XKB_KEY_F4 && |
| input->modifiers == MOD_ALT_MASK && |
| state == WL_KEYBOARD_KEY_STATE_PRESSED) { |
| window_close(window); |
| } else if (window->key_handler) { |
| if (state == WL_KEYBOARD_KEY_STATE_PRESSED) |
| sym = process_key_press(sym, input); |
| |
| (*window->key_handler)(window, input, time, key, |
| sym, state, window->user_data); |
| } |
| |
| if (state == WL_KEYBOARD_KEY_STATE_RELEASED && |
| key == input->repeat_key) { |
| toytimer_disarm(&input->repeat_timer); |
| } else if (state == WL_KEYBOARD_KEY_STATE_PRESSED && |
| xkb_keymap_key_repeats(input->xkb.keymap, code)) { |
| input->repeat_sym = sym; |
| input->repeat_key = key; |
| input->repeat_time = time; |
| its.it_interval.tv_sec = input->repeat_rate_sec; |
| its.it_interval.tv_nsec = input->repeat_rate_nsec; |
| its.it_value.tv_sec = input->repeat_delay_sec; |
| its.it_value.tv_nsec = input->repeat_delay_nsec; |
| toytimer_arm(&input->repeat_timer, &its); |
| } |
| } |
| |
| static void |
| keyboard_handle_modifiers(void *data, struct wl_keyboard *keyboard, |
| uint32_t serial, uint32_t mods_depressed, |
| uint32_t mods_latched, uint32_t mods_locked, |
| uint32_t group) |
| { |
| struct input *input = data; |
| xkb_mod_mask_t mask; |
| |
| /* If we're not using a keymap, then we don't handle PC-style modifiers */ |
| if (!input->xkb.keymap) |
| return; |
| |
| xkb_state_update_mask(input->xkb.state, mods_depressed, mods_latched, |
| mods_locked, 0, 0, group); |
| mask = xkb_state_serialize_mods(input->xkb.state, |
| XKB_STATE_MODS_DEPRESSED | |
| XKB_STATE_MODS_LATCHED); |
| input->modifiers = 0; |
| if (mask & input->xkb.control_mask) |
|