/* * Copyright © 2008 Kristian Høgsberg * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that copyright * notice and this permission notice appear in supporting documentation, and * that the name of the copyright holders not be used in advertising or * publicity pertaining to distribution of the software without specific, * written prior permission. The copyright holders make no representations * about the suitability of this software for any purpose. It is provided "as * is" without express or implied warranty. * * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE * OF THIS SOFTWARE. */ #define _GNU_SOURCE #include "../config.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef USE_CAIRO_GLESV2 #include #include #else #include #endif #include #include #ifdef HAVE_CAIRO_EGL #include #endif #include #include #include #include #include "cairo-util.h" #include "window.h" struct display { struct wl_display *display; struct wl_compositor *compositor; struct wl_shell *shell; struct wl_shm *shm; struct wl_data_device_manager *data_device_manager; EGLDisplay dpy; EGLConfig argb_config; EGLContext argb_ctx; cairo_device_t *argb_device; uint32_t serial; int display_fd; uint32_t mask; struct task display_task; int epoll_fd; struct wl_list deferred_list; int running; struct wl_list window_list; struct wl_list input_list; struct wl_list output_list; cairo_surface_t *active_frame, *inactive_frame, *shadow; int frame_radius; struct xkb_desc *xkb; cairo_surface_t **pointer_surfaces; PFNGLEGLIMAGETARGETTEXTURE2DOESPROC image_target_texture_2d; PFNEGLCREATEIMAGEKHRPROC create_image; PFNEGLDESTROYIMAGEKHRPROC destroy_image; display_output_handler_t output_configure_handler; void *user_data; }; enum { TYPE_TOPLEVEL, TYPE_FULLSCREEN, TYPE_MAXIMIZED, TYPE_TRANSIENT, TYPE_MENU, TYPE_CUSTOM }; struct window { struct display *display; struct window *parent; struct wl_surface *surface; struct wl_shell_surface *shell_surface; struct wl_region *input_region; struct wl_region *opaque_region; char *title; struct rectangle allocation, saved_allocation, server_allocation; struct rectangle pending_allocation; int x, y; int resize_edges; int redraw_scheduled; int redraw_needed; struct task redraw_task; int resize_needed; int type; int transparent; struct input *keyboard_device; enum window_buffer_type buffer_type; cairo_surface_t *cairo_surface; struct wl_shm_pool *pool; size_t pool_size; void *pool_data; 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; struct frame *frame; struct widget *widget; void *user_data; struct wl_list link; }; struct widget { struct window *window; 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; void *user_data; int opaque; }; struct input { struct display *display; struct wl_input_device *input_device; struct window *pointer_focus; struct window *keyboard_focus; int current_pointer_image; uint32_t modifiers; uint32_t pointer_enter_serial; int32_t 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; }; struct output { struct display *display; struct wl_output *output; struct rectangle allocation; struct wl_list link; display_output_handler_t destroy_handler; void *user_data; }; struct frame { struct widget *widget; struct widget *child; int margin; int width; int titlebar_height; }; struct menu { struct window *window; struct widget *widget; struct input *input; const char **entries; uint32_t time; int current; int count; menu_func_t func; }; enum { POINTER_DEFAULT = 100, POINTER_UNSET }; enum window_location { WINDOW_INTERIOR = 0, WINDOW_RESIZING_TOP = 1, WINDOW_RESIZING_BOTTOM = 2, WINDOW_RESIZING_LEFT = 4, WINDOW_RESIZING_TOP_LEFT = 5, WINDOW_RESIZING_BOTTOM_LEFT = 6, WINDOW_RESIZING_RIGHT = 8, WINDOW_RESIZING_TOP_RIGHT = 9, WINDOW_RESIZING_BOTTOM_RIGHT = 10, WINDOW_RESIZING_MASK = 15, WINDOW_EXTERIOR = 16, WINDOW_TITLEBAR = 17, WINDOW_CLIENT_AREA = 18, }; const char *option_xkb_layout = "us"; const char *option_xkb_variant = ""; const char *option_xkb_options = ""; static const struct weston_option xkb_options[] = { { WESTON_OPTION_STRING, "xkb-layout", 0, &option_xkb_layout }, { WESTON_OPTION_STRING, "xkb-variant", 0, &option_xkb_variant }, { WESTON_OPTION_STRING, "xkb-options", 0, &option_xkb_options }, }; static const cairo_user_data_key_t surface_data_key; struct surface_data { struct wl_buffer *buffer; }; #define MULT(_d,c,a,t) \ do { t = c * a + 0x7f; _d = ((t >> 8) + t) >> 8; } while (0) #ifdef HAVE_CAIRO_EGL struct egl_window_surface_data { struct display *display; struct wl_surface *surface; struct wl_egl_window *window; EGLSurface surf; }; static void egl_window_surface_data_destroy(void *p) { struct egl_window_surface_data *data = p; struct display *d = data->display; eglDestroySurface(d->dpy, data->surf); wl_egl_window_destroy(data->window); data->surface = NULL; free(p); } static cairo_surface_t * display_create_egl_window_surface(struct display *display, struct wl_surface *surface, uint32_t flags, struct rectangle *rectangle) { cairo_surface_t *cairo_surface; struct egl_window_surface_data *data; EGLConfig config; cairo_device_t *device; data = malloc(sizeof *data); if (data == NULL) return NULL; data->display = display; data->surface = surface; config = display->argb_config; device = display->argb_device; data->window = wl_egl_window_create(surface, rectangle->width, rectangle->height); data->surf = eglCreateWindowSurface(display->dpy, config, data->window, NULL); cairo_surface = cairo_gl_surface_create_for_egl(device, data->surf, rectangle->width, rectangle->height); cairo_surface_set_user_data(cairo_surface, &surface_data_key, data, egl_window_surface_data_destroy); return cairo_surface; } #endif struct wl_buffer * display_get_buffer_for_surface(struct display *display, cairo_surface_t *surface) { struct surface_data *data; data = cairo_surface_get_user_data (surface, &surface_data_key); return data->buffer; } struct shm_surface_data { struct surface_data data; void *map; size_t length; }; static void shm_surface_data_destroy(void *p) { struct shm_surface_data *data = p; wl_buffer_destroy(data->data.buffer); if (data->map) munmap(data->map, data->length); } static struct wl_shm_pool * make_shm_pool(struct display *display, int size, void **data) { char filename[] = "/tmp/wayland-shm-XXXXXX"; struct wl_shm_pool *pool; int fd; fd = mkstemp(filename); if (fd < 0) { fprintf(stderr, "open %s failed: %m\n", filename); return NULL; } if (ftruncate(fd, size) < 0) { fprintf(stderr, "ftruncate failed: %m\n"); close(fd); return NULL; } *data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); unlink(filename); 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 cairo_surface_t * display_create_shm_surface(struct display *display, struct rectangle *rectangle, uint32_t flags, struct window *window) { struct shm_surface_data *data; struct wl_shm_pool *pool = NULL; uint32_t format; cairo_surface_t *surface; void *map; int stride; data = malloc(sizeof *data); if (data == NULL) return NULL; stride = cairo_format_stride_for_width (CAIRO_FORMAT_ARGB32, rectangle->width); data->length = stride * rectangle->height; if (window && window->pool && data->length < window->pool_size) { pool = window->pool; map = window->pool_data; data->map = NULL; } else { pool = make_shm_pool(display, data->length, &map); data->map = map; } surface = cairo_image_surface_create_for_data (map, CAIRO_FORMAT_ARGB32, rectangle->width, rectangle->height, stride); cairo_surface_set_user_data (surface, &surface_data_key, data, shm_surface_data_destroy); if (flags & SURFACE_OPAQUE) format = WL_SHM_FORMAT_XRGB8888; else format = WL_SHM_FORMAT_ARGB8888; data->data.buffer = wl_shm_pool_create_buffer(pool, 0, rectangle->width, rectangle->height, stride, format); if (data->map) wl_shm_pool_destroy(pool); return surface; } static cairo_surface_t * display_create_shm_surface_from_file(struct display *display, const char *filename, struct rectangle *rect) { cairo_surface_t *surface; pixman_image_t *image; void *dest; int size; image = load_image(filename); if (image == NULL) return NULL; surface = display_create_shm_surface(display, rect, 0, NULL); if (surface == NULL) { pixman_image_unref(image); return NULL; } size = pixman_image_get_stride(image) * pixman_image_get_height(image); dest = cairo_image_surface_get_data(surface); memcpy(dest, pixman_image_get_data(image), size); pixman_image_unref(image); 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; #ifdef HAVE_CAIRO_EGL if (display->dpy) return display_create_egl_window_surface(display, surface, flags, rectangle); #endif return display_create_shm_surface(display, rectangle, flags, NULL); } static cairo_surface_t * display_create_surface_from_file(struct display *display, const char *filename, struct rectangle *rectangle) { if (check_size(rectangle) < 0) return NULL; return display_create_shm_surface_from_file(display, filename, rectangle); } static const struct { const char *filename; int hotspot_x, hotspot_y; } pointer_images[] = { { DATADIR "/weston/bottom_left_corner.png", 6, 30 }, { DATADIR "/weston/bottom_right_corner.png", 28, 28 }, { DATADIR "/weston/bottom_side.png", 16, 20 }, { DATADIR "/weston/grabbing.png", 20, 17 }, { DATADIR "/weston/left_ptr.png", 10, 5 }, { DATADIR "/weston/left_side.png", 10, 20 }, { DATADIR "/weston/right_side.png", 30, 19 }, { DATADIR "/weston/top_left_corner.png", 8, 8 }, { DATADIR "/weston/top_right_corner.png", 26, 8 }, { DATADIR "/weston/top_side.png", 18, 8 }, { DATADIR "/weston/xterm.png", 15, 15 }, { DATADIR "/weston/hand1.png", 18, 11 } }; static void create_pointer_surfaces(struct display *display) { int i, count; const int width = 32, height = 32; struct rectangle rect; count = ARRAY_LENGTH(pointer_images); display->pointer_surfaces = malloc(count * sizeof *display->pointer_surfaces); rect.width = width; rect.height = height; for (i = 0; i < count; i++) { display->pointer_surfaces[i] = display_create_surface_from_file(display, pointer_images[i].filename, &rect); if (!display->pointer_surfaces[i]) { fprintf(stderr, "Error loading pointer image: %s\n", pointer_images[i].filename); } } } static void destroy_pointer_surfaces(struct display *display) { int i, count; count = ARRAY_LENGTH(pointer_images); for (i = 0; i < count; ++i) { if (display->pointer_surfaces[i]) cairo_surface_destroy(display->pointer_surfaces[i]); } free(display->pointer_surfaces); } cairo_surface_t * display_get_pointer_surface(struct display *display, int pointer, int *width, int *height, int *hotspot_x, int *hotspot_y) { cairo_surface_t *surface; surface = display->pointer_surfaces[pointer]; #if HAVE_CAIRO_EGL *width = cairo_gl_surface_get_width(surface); *height = cairo_gl_surface_get_height(surface); #else *width = cairo_image_surface_get_width(surface); *height = cairo_image_surface_get_height(surface); #endif *hotspot_x = pointer_images[pointer].hotspot_x; *hotspot_y = pointer_images[pointer].hotspot_y; return cairo_surface_reference(surface); } static void window_get_resize_dx_dy(struct window *window, int *x, int *y) { if (window->resize_edges & WINDOW_RESIZING_LEFT) *x = window->server_allocation.width - window->allocation.width; else *x = 0; if (window->resize_edges & WINDOW_RESIZING_TOP) *y = window->server_allocation.height - window->allocation.height; else *y = 0; window->resize_edges = 0; } static void window_attach_surface(struct window *window) { struct display *display = window->display; struct wl_buffer *buffer; #ifdef HAVE_CAIRO_EGL struct egl_window_surface_data *data; #endif int32_t x, y; switch (window->buffer_type) { #ifdef HAVE_CAIRO_EGL case WINDOW_BUFFER_TYPE_EGL_WINDOW: data = cairo_surface_get_user_data(window->cairo_surface, &surface_data_key); cairo_gl_surface_swapbuffers(window->cairo_surface); wl_egl_window_get_attached_size(data->window, &window->server_allocation.width, &window->server_allocation.height); break; #endif case WINDOW_BUFFER_TYPE_SHM: buffer = display_get_buffer_for_surface(display, window->cairo_surface); window_get_resize_dx_dy(window, &x, &y); wl_surface_attach(window->surface, buffer, x, y); wl_surface_damage(window->surface, 0, 0, window->allocation.width, window->allocation.height); window->server_allocation = window->allocation; cairo_surface_destroy(window->cairo_surface); window->cairo_surface = NULL; break; default: return; } if (window->input_region) { wl_surface_set_input_region(window->surface, window->input_region); wl_region_destroy(window->input_region); window->input_region = NULL; } if (window->opaque_region) { wl_surface_set_opaque_region(window->surface, window->opaque_region); wl_region_destroy(window->opaque_region); window->opaque_region = NULL; } } void window_flush(struct window *window) { if (window->cairo_surface) window_attach_surface(window); } void window_set_surface(struct window *window, cairo_surface_t *surface) { cairo_surface_reference(surface); if (window->cairo_surface != NULL) cairo_surface_destroy(window->cairo_surface); window->cairo_surface = surface; } #ifdef HAVE_CAIRO_EGL static void window_resize_cairo_window_surface(struct window *window) { struct egl_window_surface_data *data; int x, y; data = cairo_surface_get_user_data(window->cairo_surface, &surface_data_key); window_get_resize_dx_dy(window, &x, &y), wl_egl_window_resize(data->window, window->allocation.width, window->allocation.height, x,y); cairo_gl_surface_set_size(window->cairo_surface, window->allocation.width, window->allocation.height); } #endif struct display * window_get_display(struct window *window) { return window->display; } void window_create_surface(struct window *window) { cairo_surface_t *surface; uint32_t flags = 0; if (!window->transparent) flags = SURFACE_OPAQUE; switch (window->buffer_type) { #ifdef HAVE_CAIRO_EGL case WINDOW_BUFFER_TYPE_EGL_WINDOW: if (window->cairo_surface) { window_resize_cairo_window_surface(window); return; } surface = display_create_surface(window->display, window->surface, &window->allocation, flags); break; #endif case WINDOW_BUFFER_TYPE_SHM: surface = display_create_shm_surface(window->display, &window->allocation, flags, window); break; default: surface = NULL; break; } window_set_surface(window, surface); cairo_surface_destroy(surface); } static void frame_destroy(struct frame *frame); void window_destroy(struct window *window) { struct display *display = window->display; struct input *input; if (window->redraw_scheduled) wl_list_remove(&window->redraw_task.link); wl_list_for_each(input, &display->input_list, link) { 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; } if (window->input_region) wl_region_destroy(window->input_region); if (window->opaque_region) wl_region_destroy(window->opaque_region); if (window->frame) frame_destroy(window->frame); if (window->shell_surface) wl_shell_surface_destroy(window->shell_surface); wl_surface_destroy(window->surface); wl_list_remove(&window->link); if (window->cairo_surface != NULL) cairo_surface_destroy(window->cairo_surface); 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 * widget_create(struct window *window, void *data) { struct widget *widget; widget = malloc(sizeof *widget); memset(widget, 0, sizeof *widget); widget->window = window; widget->user_data = data; widget->allocation = window->allocation; wl_list_init(&widget->child_list); widget->opaque = 0; return widget; } struct widget * window_add_widget(struct window *window, void *data) { window->widget = widget_create(window, data); wl_list_init(&window->widget->link); return window->widget; } struct widget * widget_add_widget(struct widget *parent, void *data) { struct widget *widget; widget = widget_create(parent->window, 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 input *input; 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_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; } 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_schedule_redraw(struct widget *widget) { window_schedule_redraw(widget->window); } cairo_surface_t * window_get_surface(struct window *window) { return cairo_surface_reference(window->cairo_surface); } struct wl_surface * window_get_wl_surface(struct window *window) { return window->surface; } struct wl_shell_surface * window_get_wl_shell_surface(struct window *window) { return window->shell_surface; } static void frame_resize_handler(struct widget *widget, int32_t width, int32_t height, void *data) { struct frame *frame = data; struct widget *child = frame->child; struct rectangle allocation; struct display *display = widget->window->display; int decoration_width, decoration_height; int opaque_margin; if (widget->window->type != TYPE_FULLSCREEN) { decoration_width = (frame->width + frame->margin) * 2; decoration_height = frame->width + frame->titlebar_height + frame->margin * 2; allocation.x = frame->width + frame->margin; allocation.y = frame->titlebar_height + frame->margin; allocation.width = width - decoration_width; allocation.height = height - decoration_height; widget->window->input_region = wl_compositor_create_region(display->compositor); wl_region_add(widget->window->input_region, frame->margin, frame->margin, width - 2 * frame->margin, height - 2 * frame->margin); opaque_margin = frame->margin + display->frame_radius; } else { decoration_width = 0; decoration_height = 0; allocation.x = 0; allocation.y = 0; allocation.width = width; allocation.height = height; opaque_margin = 0; } widget_set_allocation(child, allocation.x, allocation.y, allocation.width, allocation.height); if (child->resize_handler) child->resize_handler(child, allocation.width, allocation.height, child->user_data); widget_set_allocation(widget, 0, 0, child->allocation.width + decoration_width, child->allocation.height + decoration_height); if (child->opaque) { widget->window->opaque_region = wl_compositor_create_region(display->compositor); wl_region_add(widget->window->opaque_region, opaque_margin, opaque_margin, widget->allocation.width - 2 * opaque_margin, widget->allocation.height - 2 * opaque_margin); } } static void frame_redraw_handler(struct widget *widget, void *data) { struct frame *frame = data; cairo_t *cr; cairo_text_extents_t extents; cairo_surface_t *source; int x, y, width, height; struct window *window = widget->window; if (window->type == TYPE_FULLSCREEN) return; width = widget->allocation.width; height = widget->allocation.height; cr = cairo_create(window->cairo_surface); cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); cairo_set_source_rgba(cr, 0, 0, 0, 0); cairo_paint(cr); cairo_set_source_rgba(cr, 0, 0, 0, 0.45); tile_mask(cr, window->display->shadow, 2, 2, width + 8, height + 8, 64, 64); if (window->keyboard_device) source = window->display->active_frame; else source = window->display->inactive_frame; tile_source(cr, source, frame->margin, frame->margin, width - frame->margin * 2, height - frame->margin * 2, frame->width, frame->titlebar_height); cairo_set_operator(cr, CAIRO_OPERATOR_OVER); cairo_select_font_face(cr, "sans", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD); cairo_set_font_size(cr, 14); cairo_text_extents(cr, window->title, &extents); x = (width - extents.width) / 2; y = frame->margin + 8 - extents.y_bearing; if (window->keyboard_device) { cairo_move_to(cr, x + 1, y + 1); cairo_set_source_rgb(cr, 1, 1, 1); cairo_show_text(cr, window->title); cairo_move_to(cr, x, y); cairo_set_source_rgb(cr, 0, 0, 0); cairo_show_text(cr, window->title); } else { cairo_move_to(cr, x, y); cairo_set_source_rgb(cr, 0.4, 0.4, 0.4); cairo_show_text(cr, window->title); } cairo_destroy(cr); } static int frame_get_pointer_location(struct frame *frame, int32_t x, int32_t y) { struct widget *widget = frame->widget; int vlocation, hlocation, location; const int grip_size = 8; if (x < frame->margin) hlocation = WINDOW_EXTERIOR; else if (frame->margin <= x && x < frame->margin + grip_size) hlocation = WINDOW_RESIZING_LEFT; else if (x < widget->allocation.width - frame->margin - grip_size) hlocation = WINDOW_INTERIOR; else if (x < widget->allocation.width - frame->margin) hlocation = WINDOW_RESIZING_RIGHT; else hlocation = WINDOW_EXTERIOR; if (y < frame->margin) vlocation = WINDOW_EXTERIOR; else if (frame->margin <= y && y < frame->margin + grip_size) vlocation = WINDOW_RESIZING_TOP; else if (y < widget->allocation.height - frame->margin - grip_size) vlocation = WINDOW_INTERIOR; else if (y < widget->allocation.height - frame->margin) vlocation = WINDOW_RESIZING_BOTTOM; else vlocation = WINDOW_EXTERIOR; location = vlocation | hlocation; if (location & WINDOW_EXTERIOR) location = WINDOW_EXTERIOR; if (location == WINDOW_INTERIOR && y < frame->margin + 50) location = WINDOW_TITLEBAR; else if (location == WINDOW_INTERIOR) location = WINDOW_CLIENT_AREA; return location; } static int frame_get_pointer_image_for_location(struct frame *frame, struct input *input) { int location; location = frame_get_pointer_location(frame, input->sx, input->sy); switch (location) { case WINDOW_RESIZING_TOP: return POINTER_TOP; case WINDOW_RESIZING_BOTTOM: return POINTER_BOTTOM; case WINDOW_RESIZING_LEFT: return POINTER_LEFT; case WINDOW_RESIZING_RIGHT: return POINTER_RIGHT; case WINDOW_RESIZING_TOP_LEFT: return POINTER_TOP_LEFT; case WINDOW_RESIZING_TOP_RIGHT: return POINTER_TOP_RIGHT; case WINDOW_RESIZING_BOTTOM_LEFT: return POINTER_BOTTOM_LEFT; case WINDOW_RESIZING_BOTTOM_RIGHT: return POINTER_BOTTOM_RIGHT; case WINDOW_EXTERIOR: case WINDOW_TITLEBAR: default: return POINTER_LEFT_PTR; } } static void frame_menu_func(struct window *window, int index, void *data) { switch (index) { case 0: /* close */ if (window->close_handler) window->close_handler(window->parent, window->user_data); else display_exit(window->display); break; case 1: /* fullscreen */ /* we don't have a way to get out of fullscreen for now */ window_set_fullscreen(window, 1); break; case 2: /* rotate */ case 3: /* scale */ break; } } void window_show_frame_menu(struct window *window, struct input *input, uint32_t time) { int32_t x, y; static const char *entries[] = { "Close", "Fullscreen", "Rotate", "Scale" }; input_get_position(input, &x, &y); window_show_menu(window->display, input, time, window, x - 10, y - 10, frame_menu_func, entries, 4); } static int frame_enter_handler(struct widget *widget, struct input *input, int32_t x, int32_t y, void *data) { return frame_get_pointer_image_for_location(data, input); } static int frame_motion_handler(struct widget *widget, struct input *input, uint32_t time, int32_t x, int32_t y, void *data) { return frame_get_pointer_image_for_location(data, input); } static void frame_button_handler(struct widget *widget, struct input *input, uint32_t time, int button, int state, void *data) { struct frame *frame = data; struct window *window = widget->window; struct display *display = window->display; int location; location = frame_get_pointer_location(frame, input->sx, input->sy); if (window->display->shell && button == BTN_LEFT && state == 1) { switch (location) { case WINDOW_TITLEBAR: if (!window->shell_surface) break; input_set_pointer_image(input, time, POINTER_DRAGGING); input_ungrab(input); wl_shell_surface_move(window->shell_surface, input_get_input_device(input), display->serial); break; case WINDOW_RESIZING_TOP: case WINDOW_RESIZING_BOTTOM: case WINDOW_RESIZING_LEFT: case WINDOW_RESIZING_RIGHT: case WINDOW_RESIZING_TOP_LEFT: case WINDOW_RESIZING_TOP_RIGHT: case WINDOW_RESIZING_BOTTOM_LEFT: case WINDOW_RESIZING_BOTTOM_RIGHT: if (!window->shell_surface) break; input_ungrab(input); if (!display->dpy) { /* If we're using shm, allocate a big pool to create buffers out of while we resize. We should probably base this number on the size of the output. */ window->pool_size = 6 * 1024 * 1024; window->pool = make_shm_pool(display, window->pool_size, &window->pool_data); } wl_shell_surface_resize(window->shell_surface, input_get_input_device(input), display->serial, location); break; } } else if (button == BTN_RIGHT && state == 1) { window_show_frame_menu(window, input, time); } } struct widget * frame_create(struct window *window, void *data) { struct frame *frame; frame = malloc(sizeof *frame); memset(frame, 0, sizeof *frame); frame->widget = window_add_widget(window, frame); frame->child = widget_add_widget(frame->widget, data); frame->margin = 32; frame->width = 4; frame->titlebar_height = 30 ; 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_motion_handler(frame->widget, frame_motion_handler); widget_set_button_handler(frame->widget, frame_button_handler); window->frame = frame; return frame->child; } static void frame_destroy(struct 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, int32_t x, int32_t y) { struct widget *old, *widget; int pointer = POINTER_LEFT_PTR; 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; if (widget->enter_handler) pointer = widget->enter_handler(focus, input, x, y, widget->user_data); input->focus_widget = focus; input_set_pointer_image(input, input->pointer_enter_serial, pointer); } } static void input_handle_motion(void *data, struct wl_input_device *input_device, uint32_t time, int32_t sx, int32_t sy) { struct input *input = data; struct window *window = input->pointer_focus; struct widget *widget; int pointer = POINTER_LEFT_PTR; input->sx = sx; input->sy = sy; if (!(input->grab && input->grab_button)) { widget = widget_find_widget(window->widget, sx, sy); input_set_focus_widget(input, widget, sx, sy); } if (input->grab) widget = input->grab; else widget = input->focus_widget; if (widget && widget->motion_handler) pointer = widget->motion_handler(input->focus_widget, input, time, sx, sy, widget->user_data); input_set_pointer_image(input, time, pointer); } void input_grab(struct input *input, struct widget *widget, uint32_t button) { input->grab = widget; input->grab_button = button; } void input_ungrab(struct input *input) { struct widget *widget; input->grab = NULL; if (input->pointer_focus) { widget = widget_find_widget(input->pointer_focus->widget, input->sx, input->sy); input_set_focus_widget(input, widget, input->sx, input->sy); } } static void input_handle_button(void *data, struct wl_input_device *input_device, uint32_t serial, uint32_t time, uint32_t button, uint32_t state) { struct input *input = data; struct widget *widget; input->display->serial = serial; if (input->focus_widget && input->grab == NULL && state) 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) input_ungrab(input); } static void input_handle_axis(void *data, struct wl_input_device *input_device, uint32_t time, uint32_t axis, int32_t value) { } static void input_handle_key(void *data, struct wl_input_device *input_device, uint32_t serial, uint32_t time, uint32_t key, uint32_t state) { struct input *input = data; struct window *window = input->keyboard_focus; struct display *d = input->display; uint32_t code, sym, level; input->display->serial = serial; code = key + 8; if (!window || window->keyboard_device != input) return; level = 0; if (input->modifiers & XKB_COMMON_SHIFT_MASK && XkbKeyGroupWidth(d->xkb, code, 0) > 1) level = 1; sym = XkbKeySymEntry(d->xkb, code, level, 0); if (state) input->modifiers |= d->xkb->map->modmap[code]; else input->modifiers &= ~d->xkb->map->modmap[code]; if (key == KEY_F5 && input->modifiers == Mod4Mask) { if (state) window_set_maximized(window, window->type != TYPE_MAXIMIZED); } else if (window->key_handler) { (*window->key_handler)(window, input, time, key, sym, state, window->user_data); } } 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_pointer_image = POINTER_UNSET; } static void input_handle_pointer_enter(void *data, struct wl_input_device *input_device, uint32_t serial, struct wl_surface *surface, int32_t sx, int32_t sy) { struct input *input = data; struct window *window; struct widget *widget; input->display->serial = serial; input->pointer_enter_serial = serial; input->pointer_focus = wl_surface_get_user_data(surface); window = input->pointer_focus; if (window->pool) { wl_shm_pool_destroy(window->pool); munmap(window->pool_data, window->pool_size); window->pool = NULL; /* Schedule a redraw to free the pool */ window_schedule_redraw(window); } input->sx = sx; input->sy = sy; widget = widget_find_widget(window->widget, sx, sy); input_set_focus_widget(input, widget, sx, sy); } static void input_handle_pointer_leave(void *data, struct wl_input_device *input_device, uint32_t serial, struct wl_surface *surface) { struct input *input = data; input->display->serial = serial; input_remove_pointer_focus(input); } static void input_remove_keyboard_focus(struct input *input) { struct window *window = input->keyboard_focus; if (!window) return; window->keyboard_device = NULL; if (window->keyboard_focus_handler) (*window->keyboard_focus_handler)(window, NULL, window->user_data); input->keyboard_focus = NULL; } static void input_handle_keyboard_enter(void *data, struct wl_input_device *input_device, uint32_t serial, struct wl_surface *surface, struct wl_array *keys) { struct input *input = data; struct window *window; struct display *d = input->display; uint32_t *k, *end; input->display->serial = serial; input->keyboard_focus = wl_surface_get_user_data(surface); end = keys->data + keys->size; input->modifiers = 0; for (k = keys->data; k < end; k++) input->modifiers |= d->xkb->map->modmap[*k]; window = input->keyboard_focus; window->keyboard_device = input; if (window->keyboard_focus_handler) (*window->keyboard_focus_handler)(window, window->keyboard_device, window->user_data); } static void input_handle_keyboard_leave(void *data, struct wl_input_device *input_device, uint32_t serial, struct wl_surface *surface) { struct input *input = data; input->display->serial = serial; input_remove_keyboard_focus(input); } static void input_handle_touch_down(void *data, struct wl_input_device *wl_input_device, uint32_t serial, uint32_t time, struct wl_surface *surface, int32_t id, int32_t x, int32_t y) { } static void input_handle_touch_up(void *data, struct wl_input_device *wl_input_device, uint32_t serial, uint32_t time, int32_t id) { } static void input_handle_touch_motion(void *data, struct wl_input_device *wl_input_device, uint32_t time, int32_t id, int32_t x, int32_t y) { } static void input_handle_touch_frame(void *data, struct wl_input_device *wl_input_device) { } static void input_handle_touch_cancel(void *data, struct wl_input_device *wl_input_device) { } static const struct wl_input_device_listener input_device_listener = { input_handle_motion, input_handle_button, input_handle_axis, input_handle_key, input_handle_pointer_enter, input_handle_pointer_leave, input_handle_keyboard_enter, input_handle_keyboard_leave, input_handle_touch_down, input_handle_touch_up, input_handle_touch_motion, input_handle_touch_frame, input_handle_touch_cancel, }; void input_get_position(struct input *input, int32_t *x, int32_t *y) { *x = input->sx; *y = input->sy; } struct wl_input_device * input_get_input_device(struct input *input) { return input->input_device; } uint32_t input_get_modifiers(struct input *input) { return input->modifiers; } struct widget * input_get_focus_widget(struct input *input) { return input->focus_widget; } struct data_offer { struct wl_data_offer *offer; struct input *input; struct wl_array types; int refcount; struct task io_task; int fd; data_func_t func; int32_t x, y; void *user_data; }; static void data_offer_offer(void *data, struct wl_data_offer *wl_data_offer, const char *type) { struct data_offer *offer = data; char **p; p = wl_array_add(&offer->types, sizeof *p); *p = strdup(type); } static const struct wl_data_offer_listener data_offer_listener = { data_offer_offer, }; static void data_offer_destroy(struct data_offer *offer) { char **p; offer->refcount--; if (offer->refcount == 0) { wl_data_offer_destroy(offer->offer); for (p = offer->types.data; *p; p++) free(*p); wl_array_release(&offer->types); free(offer); } } static void data_device_data_offer(void *data, struct wl_data_device *data_device, uint32_t id) { struct data_offer *offer; offer = malloc(sizeof *offer); wl_array_init(&offer->types); offer->refcount = 1; offer->input = data; /* FIXME: Generate typesafe wrappers for this */ offer->offer = (struct wl_data_offer *) wl_proxy_create_for_id((struct wl_proxy *) data_device, id, &wl_data_offer_interface); wl_data_offer_add_listener(offer->offer, &data_offer_listener, offer); } static void data_device_enter(void *data, struct wl_data_device *data_device, uint32_t serial, struct wl_surface *surface, int32_t x, int32_t y, struct wl_data_offer *offer) { struct input *input = data; struct window *window; char **p; input->pointer_enter_serial = serial; input->drag_offer = wl_data_offer_get_user_data(offer); window = wl_surface_get_user_data(surface); input->pointer_focus = window; p = wl_array_add(&input->drag_offer->types, sizeof *p); *p = NULL; window = input->pointer_focus; if (window->data_handler) window->data_handler(window, input, x, y, input->drag_offer->types.data, window->user_data); } static void data_device_leave(void *data, struct wl_data_device *data_device) { struct input *input = data; data_offer_destroy(input->drag_offer); input->drag_offer = NULL; } static void data_device_motion(void *data, struct wl_data_device *data_device, uint32_t time, int32_t x, int32_t y) { struct input *input = data; struct window *window = input->pointer_focus; input->sx = x; input->sy = y; if (window->data_handler) window->data_handler(window, input, x, y, input->drag_offer->types.data, window->user_data); } static void data_device_drop(void *data, struct wl_data_device *data_device) { struct input *input = data; struct window *window = input->pointer_focus; if (window->drop_handler) window->drop_handler(window, input, input->sx, input->sy, window->user_data); } static void data_device_selection(void *data, struct wl_data_device *wl_data_device, struct wl_data_offer *offer) { struct input *input = data; char **p; if (input->selection_offer) data_offer_destroy(input->selection_offer); if (offer) { input->selection_offer = wl_data_offer_get_user_data(offer); p = wl_array_add(&input->selection_offer->types, sizeof *p); *p = NULL; } } static const struct wl_data_device_listener data_device_listener = { data_device_data_offer, data_device_enter, data_device_leave, data_device_motion, data_device_drop, data_device_selection }; void input_set_pointer_image(struct input *input, uint32_t time, int pointer) { struct display *display = input->display; struct wl_buffer *buffer; cairo_surface_t *surface; if (pointer == input->current_pointer_image) return; input->current_pointer_image = pointer; surface = display->pointer_surfaces[pointer]; if (!surface) return; buffer = display_get_buffer_for_surface(display, surface); wl_input_device_attach(input->input_device, time, buffer, pointer_images[pointer].hotspot_x, pointer_images[pointer].hotspot_y); } struct wl_data_device * input_get_data_device(struct input *input) { return input->data_device; } void input_set_selection(struct input *input, struct wl_data_source *source, uint32_t time) { wl_data_device_set_selection(input->data_device, source, time); } void input_accept(struct input *input, const char *type) { wl_data_offer_accept(input->drag_offer->offer, input->pointer_enter_serial, type); } static void offer_io_func(struct task *task, uint32_t events) { struct data_offer *offer = container_of(task, struct data_offer, io_task); unsigned int len; char buffer[4096]; len = read(offer->fd, buffer, sizeof buffer); offer->func(buffer, len, offer->x, offer->y, offer->user_data); if (len == 0) { close(offer->fd); data_offer_destroy(offer); } } static void data_offer_receive_data(struct data_offer *offer, const char *mime_type, data_func_t func, void *user_data) { int p[2]; if (pipe2(p, O_CLOEXEC) == -1) return; wl_data_offer_receive(offer->offer, mime_type, p[1]); close(p[1]); offer->io_task.run = offer_io_func; offer->fd = p[0]; offer->func = func; offer->refcount++; offer->user_data = user_data; display_watch_fd(offer->input->display, offer->fd, EPOLLIN, &offer->io_task); } void input_receive_drag_data(struct input *input, const char *mime_type, data_func_t func, void *data) { data_offer_receive_data(input->drag_offer, mime_type, func, data); input->drag_offer->x = input->sx; input->drag_offer->y = input->sy; } int input_receive_selection_data(struct input *input, const char *mime_type, data_func_t func, void *data) { char **p; if (input->selection_offer == NULL) return -1; for (p = input->selection_offer->types.data; *p; p++) if (strcmp(mime_type, *p) == 0) break; if (*p == NULL) return -1; data_offer_receive_data(input->selection_offer, mime_type, func, data); return 0; } int input_receive_selection_data_to_fd(struct input *input, const char *mime_type, int fd) { wl_data_offer_receive(input->selection_offer->offer, mime_type, fd); return 0; } void window_move(struct window *window, struct input *input, uint32_t serial) { if (!window->shell_surface) return; wl_shell_surface_move(window->shell_surface, input->input_device, serial); } static void idle_resize(struct window *window) { struct widget *widget; window->resize_needed = 0; widget = window->widget; widget_set_allocation(widget, window->pending_allocation.x, window->pending_allocation.y, window->pending_allocation.width, window->pending_allocation.height); if (window->input_region) { wl_region_destroy(window->input_region); window->input_region = NULL; } if (window->opaque_region) { wl_region_destroy(window->opaque_region); window->opaque_region = NULL; } if (widget->resize_handler) widget->resize_handler(widget, widget->allocation.width, widget->allocation.height, widget->user_data); if (window->allocation.width != widget->allocation.width || window->allocation.height != widget->allocation.height) { window->allocation = widget->allocation; window_schedule_redraw(window); } } void window_schedule_resize(struct window *window, int width, int height) { window->pending_allocation.x = 0; window->pending_allocation.y = 0; window->pending_allocation.width = width; window->pending_allocation.height = height; window->resize_needed = 1; window_schedule_redraw(window); } void widget_schedule_resize(struct widget *widget, int32_t width, int32_t height) { window_schedule_resize(widget->window, width, height); } static void handle_ping(void *data, struct wl_shell_surface *shell_surface, uint32_t serial) { wl_shell_surface_pong(shell_surface, serial); } static void handle_configure(void *data, struct wl_shell_surface *shell_surface, uint32_t edges, int32_t width, int32_t height) { struct window *window = data; if (width <= 0 || height <= 0) return; window->resize_edges = edges; window_schedule_resize(window, width, height); } static void menu_destroy(struct menu *menu) { widget_destroy(menu->widget); window_destroy(menu->window); free(menu); } static void handle_popup_done(void *data, struct wl_shell_surface *shell_surface) { struct window *window = data; struct menu *menu = window->widget->user_data; /* FIXME: Need more context in this event, at least the input * device. Or just use wl_callback. And this really needs to * be a window vfunc that the menu can set. And we need the * time. */ menu->func(window->parent, menu->current, window->parent->user_data); input_ungrab(menu->input); menu_destroy(menu); } static const struct wl_shell_surface_listener shell_surface_listener = { handle_ping, handle_configure, handle_popup_done }; void window_get_allocation(struct window *window, struct rectangle *allocation) { *allocation = window->allocation; } static void widget_redraw(struct widget *widget) { struct widget *child; if (widget->redraw_handler) widget->redraw_handler(widget, widget->user_data); wl_list_for_each(child, &widget->child_list, link) widget_redraw(child); } static void frame_callback(void *data, struct wl_callback *callback, uint32_t time) { struct window *window = data; wl_callback_destroy(callback); window->redraw_scheduled = 0; if (window->redraw_needed) window_schedule_redraw(window); } static const struct wl_callback_listener listener = { frame_callback }; static void idle_redraw(struct task *task, uint32_t events) { struct window *window = container_of(task, struct window, redraw_task); struct wl_callback *callback; if (window->resize_needed) idle_resize(window); window_create_surface(window); widget_redraw(window->widget); window_flush(window); window->redraw_needed = 0; wl_list_init(&window->redraw_task.link); callback = wl_surface_frame(window->surface); wl_callback_add_listener(callback, &listener, window); } void window_schedule_redraw(struct window *window) { window->redraw_needed = 1; if (!window->redraw_scheduled) { window->redraw_task.run = idle_redraw; display_defer(window->display, &window->redraw_task); window->redraw_scheduled = 1; } } void window_set_custom(struct window *window) { window->type = TYPE_CUSTOM; } void window_set_fullscreen(struct window *window, int fullscreen) { if (!window->display->shell) return; if ((window->type == TYPE_FULLSCREEN) == fullscreen) return; if (fullscreen) { window->type = TYPE_FULLSCREEN; window->saved_allocation = window->allocation; wl_shell_surface_set_fullscreen(window->shell_surface, WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT, 0, NULL); } else { window->type = TYPE_TOPLEVEL; wl_shell_surface_set_toplevel(window->shell_surface); window_schedule_resize(window, window->saved_allocation.width, window->saved_allocation.height); } } void window_set_maximized(struct window *window, int maximized) { if (!window->display->shell) return; if ((window->type == TYPE_MAXIMIZED) == maximized) return; if (window->type == TYPE_TOPLEVEL) { window->saved_allocation = window->allocation; wl_shell_surface_set_maximized(window->shell_surface, NULL); window->type = TYPE_MAXIMIZED; } else { wl_shell_surface_set_toplevel(window->shell_surface); window->type = TYPE_TOPLEVEL; window_schedule_resize(window, window->saved_allocation.width, window->saved_allocation.height); } } void window_set_user_data(struct window *window, void *data) { window->user_data = data; } void * window_get_user_data(struct window *window) { return window->user_data; } void window_set_key_handler(struct window *window, window_key_handler_t handler) { window->key_handler = handler; } void window_set_keyboard_focus_handler(struct window *window, window_keyboard_focus_handler_t handler) { window->keyboard_focus_handler = handler; } void window_set_data_handler(struct window *window, window_data_handler_t handler) { window->data_handler = handler; } void window_set_drop_handler(struct window *window, window_drop_handler_t handler) { window->drop_handler = handler; } void window_set_close_handler(struct window *window, window_close_handler_t handler) { window->close_handler = handler; } void window_set_title(struct window *window, const char *title) { free(window->title); window->title = strdup(title); } const char * window_get_title(struct window *window) { return window->title; } void window_damage(struct window *window, int32_t x, int32_t y, int32_t width, int32_t height) { wl_surface_damage(window->surface, x, y, width, height); } static struct window * window_create_internal(struct display *display, struct window *parent) { struct window *window; window = malloc(sizeof *window); if (window == NULL) return NULL; memset(window, 0, sizeof *window); window->display = display; window->parent = parent; window->surface = wl_compositor_create_surface(display->compositor); if (display->shell) { window->shell_surface = wl_shell_get_shell_surface(display->shell, window->surface); } window->allocation.x = 0; window->allocation.y = 0; window->allocation.width = 0; window->allocation.height = 0; window->saved_allocation = window->allocation; window->transparent = 1; window->type = TYPE_TOPLEVEL; window->input_region = NULL; window->opaque_region = NULL; if (display->dpy) #ifdef HAVE_CAIRO_EGL window->buffer_type = WINDOW_BUFFER_TYPE_EGL_WINDOW; #else window->buffer_type = WINDOW_BUFFER_TYPE_SHM; #endif else window->buffer_type = WINDOW_BUFFER_TYPE_SHM; wl_surface_set_user_data(window->surface, window); wl_list_insert(display->window_list.prev, &window->link); wl_list_init(&window->redraw_task.link); if (window->shell_surface) { wl_shell_surface_set_user_data(window->shell_surface, window); wl_shell_surface_add_listener(window->shell_surface, &shell_surface_listener, window); } return window; } struct window * window_create(struct display *display) { struct window *window; window = window_create_internal(display, NULL); if (!window) return NULL; window->type = TYPE_TOPLEVEL; if (display->shell) wl_shell_surface_set_toplevel(window->shell_surface); return window; } struct window * window_create_transient(struct display *display, struct window *parent, int32_t x, int32_t y) { struct window *window; window = window_create_internal(parent->display, parent); if (!window) return NULL; window->type = TYPE_TRANSIENT; window->x = x; window->y = y; if (display->shell) wl_shell_surface_set_transient(window->shell_surface, window->parent->shell_surface, window->x, window->y, 0); return window; } static void menu_set_item(struct menu *menu, int sy) { int next; next = (sy - 8) / 20; if (menu->current != next) { menu->current = next; widget_schedule_redraw(menu->widget); } } static int menu_motion_handler(struct widget *widget, struct input *input, uint32_t time, int32_t x, int32_t y, void *data) { struct menu *menu = data; if (widget == menu->widget) menu_set_item(data, y); return POINTER_LEFT_PTR; } static int menu_enter_handler(struct widget *widget, struct input *input, int32_t x, int32_t y, void *data) { struct menu *menu = data; if (widget == menu->widget) menu_set_item(data, y); return POINTER_LEFT_PTR; } static void menu_leave_handler(struct widget *widget, struct input *input, void *data) { struct menu *menu = data; if (widget == menu->widget) menu_set_item(data, -200); } static void menu_button_handler(struct widget *widget, struct input *input, uint32_t time, int button, int state, void *data) { struct menu *menu = data; if (state == 0 && time - menu->time > 500) { /* Either relase after press-drag-release or * click-motion-click. */ menu->func(menu->window->parent, menu->current, menu->window->parent->user_data); input_ungrab(input); menu_destroy(menu); } } static void menu_redraw_handler(struct widget *widget, void *data) { cairo_t *cr; const int32_t r = 3, margin = 3; struct menu *menu = data; int32_t width, height, i; struct window *window = widget->window; cr = cairo_create(window->cairo_surface); cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.0); cairo_paint(cr); width = window->allocation.width; height = window->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); for (i = 0; i < menu->count; i++) { if (i == menu->current) { cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); cairo_rectangle(cr, margin, i * 20 + margin, width - 2 * margin, 20); cairo_fill(cr); cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); cairo_move_to(cr, 10, i * 20 + 16); cairo_show_text(cr, menu->entries[i]); } else { cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); cairo_move_to(cr, 10, i * 20 + 16); cairo_show_text(cr, menu->entries[i]); } } cairo_destroy(cr); } void window_show_menu(struct display *display, struct input *input, uint32_t time, struct window *parent, int32_t x, int32_t y, menu_func_t func, const char **entries, int count) { struct window *window; struct menu *menu; const int32_t margin = 3; menu = malloc(sizeof *menu); if (!menu) return; window = window_create_internal(parent->display, parent); if (!window) return; menu->window = window; menu->widget = window_add_widget(menu->window, menu); menu->entries = entries; menu->count = count; menu->current = -1; menu->time = time; menu->func = func; menu->input = input; window->type = TYPE_MENU; window->x = x; window->y = y; input_ungrab(input); wl_shell_surface_set_popup(window->shell_surface, input->input_device, display_get_serial(window->display), window->parent->shell_surface, window->x, window->y, 0); widget_set_redraw_handler(menu->widget, menu_redraw_handler); widget_set_enter_handler(menu->widget, menu_enter_handler); widget_set_leave_handler(menu->widget, menu_leave_handler); widget_set_motion_handler(menu->widget, menu_motion_handler); widget_set_button_handler(menu->widget, menu_button_handler); input_grab(input, menu->widget, 0); window_schedule_resize(window, 200, count * 20 + margin * 2); } void window_set_buffer_type(struct window *window, enum window_buffer_type type) { window->buffer_type = type; } static void display_handle_geometry(void *data, struct wl_output *wl_output, int x, int y, int physical_width, int physical_height, int subpixel, const char *make, const char *model) { struct output *output = data; output->allocation.x = x; output->allocation.y = y; } static void display_handle_mode(void *data, struct wl_output *wl_output, uint32_t flags, int width, int height, int refresh) { struct output *output = data; struct display *display = output->display; if (flags & WL_OUTPUT_MODE_CURRENT) { output->allocation.width = width; output->allocation.height = height; if (display->output_configure_handler) (*display->output_configure_handler)( output, display->user_data); } } static const struct wl_output_listener output_listener = { display_handle_geometry, display_handle_mode }; static void display_add_output(struct display *d, uint32_t id) { struct output *output; output = malloc(sizeof *output); if (output == NULL) return; memset(output, 0, sizeof *output); output->display = d; output->output = wl_display_bind(d->display, id, &wl_output_interface); wl_list_insert(d->output_list.prev, &output->link); wl_output_add_listener(output->output, &output_listener, output); } static void output_destroy(struct output *output) { if (output->destroy_handler) (*output->destroy_handler)(output, output->user_data); wl_output_destroy(output->output); wl_list_remove(&output->link); free(output); } void display_set_output_configure_handler(struct display *display, display_output_handler_t handler) { struct output *output; display->output_configure_handler = handler; if (!handler) return; wl_list_for_each(output, &display->output_list, link) (*display->output_configure_handler)(output, display->user_data); } void output_set_user_data(struct output *output, void *data) { output->user_data = data; } void * output_get_user_data(struct output *output) { return output->user_data; } void output_set_destroy_handler(struct output *output, display_output_handler_t handler) { output->destroy_handler = handler; /* FIXME: implement this, once we have way to remove outputs */ } void output_get_allocation(struct output *output, struct rectangle *allocation) { *allocation = output->allocation; } struct wl_output * output_get_wl_output(struct output *output) { return output->output; } static void display_add_input(struct display *d, uint32_t id) { struct input *input; input = malloc(sizeof *input); if (input == NULL) return; memset(input, 0, sizeof *input); input->display = d; input->input_device = wl_display_bind(d->display, id, &wl_input_device_interface); input->pointer_focus = NULL; input->keyboard_focus = NULL; wl_list_insert(d->input_list.prev, &input->link); wl_input_device_add_listener(input->input_device, &input_device_listener, input); wl_input_device_set_user_data(input->input_device, input); input->data_device = wl_data_device_manager_get_data_device(d->data_device_manager, input->input_device); wl_data_device_add_listener(input->data_device, &data_device_listener, input); } static void input_destroy(struct input *input) { input_remove_keyboard_focus(input); input_remove_pointer_focus(input); if (input->drag_offer) data_offer_destroy(input->drag_offer); if (input->selection_offer) data_offer_destroy(input->selection_offer); wl_data_device_destroy(input->data_device); wl_list_remove(&input->link); wl_input_device_destroy(input->input_device); free(input); } static void display_handle_global(struct wl_display *display, uint32_t id, const char *interface, uint32_t version, void *data) { struct display *d = data; if (strcmp(interface, "wl_compositor") == 0) { d->compositor = wl_display_bind(display, id, &wl_compositor_interface); } else if (strcmp(interface, "wl_output") == 0) { display_add_output(d, id); } else if (strcmp(interface, "wl_input_device") == 0) { display_add_input(d, id); } else if (strcmp(interface, "wl_shell") == 0) { d->shell = wl_display_bind(display, id, &wl_shell_interface); } else if (strcmp(interface, "wl_shm") == 0) { d->shm = wl_display_bind(display, id, &wl_shm_interface); } else if (strcmp(interface, "wl_data_device_manager") == 0) { d->data_device_manager = wl_display_bind(display, id, &wl_data_device_manager_interface); } } static void display_render_frame(struct display *d) { cairo_t *cr; cairo_pattern_t *pattern; d->frame_radius = 3; d->shadow = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 128, 128); cr = cairo_create(d->shadow); cairo_set_operator(cr, CAIRO_OPERATOR_OVER); cairo_set_source_rgba(cr, 0, 0, 0, 1); rounded_rect(cr, 32, 32, 96, 96, d->frame_radius); cairo_fill(cr); cairo_destroy(cr); blur_surface(d->shadow, 64); d->active_frame = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 128, 128); cr = cairo_create(d->active_frame); cairo_set_operator(cr, CAIRO_OPERATOR_OVER); pattern = cairo_pattern_create_linear(16, 16, 16, 112); cairo_pattern_add_color_stop_rgb(pattern, 0.0, 1.0, 1.0, 1.0); cairo_pattern_add_color_stop_rgb(pattern, 0.2, 0.8, 0.8, 0.8); cairo_set_source(cr, pattern); cairo_pattern_destroy(pattern); rounded_rect(cr, 0, 0, 128, 128, d->frame_radius); cairo_fill(cr); cairo_destroy(cr); d->inactive_frame = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 128, 128); cr = cairo_create(d->inactive_frame); cairo_set_operator(cr, CAIRO_OPERATOR_OVER); cairo_set_source_rgba(cr, 0.75, 0.75, 0.75, 1); rounded_rect(cr, 0, 0, 128, 128, d->frame_radius); cairo_fill(cr); cairo_destroy(cr); } static void init_xkb(struct display *d) { struct xkb_rule_names names; names.rules = "evdev"; names.model = "pc105"; names.layout = option_xkb_layout; names.variant = option_xkb_variant; names.options = option_xkb_options; d->xkb = xkb_compile_keymap_from_rules(&names); if (!d->xkb) { fprintf(stderr, "Failed to compile keymap\n"); exit(1); } } static void fini_xkb(struct display *display) { xkb_free_keymap(display->xkb); } #ifdef HAVE_CAIRO_EGL static int init_egl(struct display *d) { EGLint major, minor; EGLint n; #ifdef USE_CAIRO_GLESV2 # define GL_BIT EGL_OPENGL_ES2_BIT #else # define GL_BIT EGL_OPENGL_BIT #endif static const EGLint argb_cfg_attribs[] = { EGL_SURFACE_TYPE, EGL_WINDOW_BIT | EGL_PIXMAP_BIT, EGL_RED_SIZE, 1, EGL_GREEN_SIZE, 1, EGL_BLUE_SIZE, 1, EGL_ALPHA_SIZE, 1, EGL_DEPTH_SIZE, 1, EGL_RENDERABLE_TYPE, GL_BIT, EGL_NONE }; #ifdef USE_CAIRO_GLESV2 static const EGLint context_attribs[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE }; EGLint api = EGL_OPENGL_ES_API; #else EGLint *context_attribs = NULL; EGLint api = EGL_OPENGL_API; #endif d->dpy = eglGetDisplay(d->display); if (!eglInitialize(d->dpy, &major, &minor)) { fprintf(stderr, "failed to initialize display\n"); return -1; } if (!eglBindAPI(api)) { fprintf(stderr, "failed to bind api EGL_OPENGL_API\n"); return -1; } if (!eglChooseConfig(d->dpy, argb_cfg_attribs, &d->argb_config, 1, &n) || n != 1) { fprintf(stderr, "failed to choose argb config\n"); return -1; } d->argb_ctx = eglCreateContext(d->dpy, d->argb_config, EGL_NO_CONTEXT, context_attribs); if (d->argb_ctx == NULL) { fprintf(stderr, "failed to create context\n"); return -1; } if (!eglMakeCurrent(d->dpy, NULL, NULL, d->argb_ctx)) { fprintf(stderr, "failed to make context current\n"); return -1; } #ifdef HAVE_CAIRO_EGL d->argb_device = cairo_egl_device_create(d->dpy, d->argb_ctx); if (cairo_device_status(d->argb_device) != CAIRO_STATUS_SUCCESS) { fprintf(stderr, "failed to get cairo egl argb device\n"); return -1; } #endif return 0; } static void fini_egl(struct display *display) { #ifdef HAVE_CAIRO_EGL cairo_device_destroy(display->argb_device); #endif eglMakeCurrent(display->dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); eglTerminate(display->dpy); eglReleaseThread(); } #endif static int event_mask_update(uint32_t mask, void *data) { struct display *d = data; d->mask = mask; return 0; } static void handle_display_data(struct task *task, uint32_t events) { struct display *display = container_of(task, struct display, display_task); wl_display_iterate(display->display, display->mask); } struct display * display_create(int argc, char *argv[]) { struct display *d; argc = parse_options(xkb_options, ARRAY_LENGTH(xkb_options), argc, argv); d = malloc(sizeof *d); if (d == NULL) return NULL; memset(d, 0, sizeof *d); d->display = wl_display_connect(NULL); if (d->display == NULL) { fprintf(stderr, "failed to create display: %m\n"); return NULL; } d->epoll_fd = epoll_create1(EPOLL_CLOEXEC); d->display_fd = wl_display_get_fd(d->display, event_mask_update, d); d->display_task.run = handle_display_data; display_watch_fd(d, d->display_fd, EPOLLIN, &d->display_task); wl_list_init(&d->deferred_list); wl_list_init(&d->input_list); wl_list_init(&d->output_list); /* Set up listener so we'll catch all events. */ wl_display_add_global_listener(d->display, display_handle_global, d); /* Process connection events. */ wl_display_iterate(d->display, WL_DISPLAY_READABLE); #ifdef HAVE_CAIRO_EGL if (init_egl(d) < 0) return NULL; #endif d->image_target_texture_2d = (void *) eglGetProcAddress("glEGLImageTargetTexture2DOES"); d->create_image = (void *) eglGetProcAddress("eglCreateImageKHR"); d->destroy_image = (void *) eglGetProcAddress("eglDestroyImageKHR"); create_pointer_surfaces(d); display_render_frame(d); wl_list_init(&d->window_list); init_xkb(d); return d; } static void display_destroy_outputs(struct display *display) { struct output *tmp; struct output *output; wl_list_for_each_safe(output, tmp, &display->output_list, link) output_destroy(output); } static void display_destroy_inputs(struct display *display) { struct input *tmp; struct input *input; wl_list_for_each_safe(input, tmp, &display->input_list, link) input_destroy(input); } void display_destroy(struct display *display) { if (!wl_list_empty(&display->window_list)) fprintf(stderr, "toytoolkit warning: windows exist.\n"); if (!wl_list_empty(&display->deferred_list)) fprintf(stderr, "toytoolkit warning: deferred tasks exist.\n"); display_destroy_outputs(display); display_destroy_inputs(display); fini_xkb(display); cairo_surface_destroy(display->active_frame); cairo_surface_destroy(display->inactive_frame); cairo_surface_destroy(display->shadow); destroy_pointer_surfaces(display); #ifdef HAVE_CAIRO_EGL fini_egl(display); #endif if (display->shell) wl_shell_destroy(display->shell); if (display->shm) wl_shm_destroy(display->shm); if (display->data_device_manager) wl_data_device_manager_destroy(display->data_device_manager); wl_compositor_destroy(display->compositor); close(display->epoll_fd); wl_display_flush(display->display); wl_display_disconnect(display->display); free(display); } void display_set_user_data(struct display *display, void *data) { display->user_data = data; } void * display_get_user_data(struct display *display) { return display->user_data; } struct wl_display * display_get_display(struct display *display) { return display->display; } struct output * display_get_output(struct display *display) { return container_of(display->output_list.next, struct output, link); } struct wl_compositor * display_get_compositor(struct display *display) { return display->compositor; } uint32_t display_get_serial(struct display *display) { return display->serial; } EGLDisplay display_get_egl_display(struct display *d) { return d->dpy; } struct wl_data_source * display_create_data_source(struct display *display) { return wl_data_device_manager_create_data_source(display->data_device_manager); } EGLConfig display_get_argb_egl_config(struct display *d) { return d->argb_config; } struct wl_shell * display_get_shell(struct display *display) { return display->shell; } int display_acquire_window_surface(struct display *display, struct window *window, EGLContext ctx) { #ifdef HAVE_CAIRO_EGL struct egl_window_surface_data *data; cairo_device_t *device; if (!window->cairo_surface) return -1; device = cairo_surface_get_device(window->cairo_surface); if (!device) return -1; if (!ctx) { if (device == display->argb_device) ctx = display->argb_ctx; else assert(0); } data = cairo_surface_get_user_data(window->cairo_surface, &surface_data_key); cairo_device_flush(device); cairo_device_acquire(device); if (!eglMakeCurrent(display->dpy, data->surf, data->surf, ctx)) fprintf(stderr, "failed to make surface current\n"); return 0; #else return -1; #endif } void display_release_window_surface(struct display *display, struct window *window) { #ifdef HAVE_CAIRO_EGL cairo_device_t *device; device = cairo_surface_get_device(window->cairo_surface); if (!device) return; if (!eglMakeCurrent(display->dpy, NULL, NULL, display->argb_ctx)) fprintf(stderr, "failed to make context current\n"); cairo_device_release(device); #endif } void display_defer(struct display *display, struct task *task) { wl_list_insert(&display->deferred_list, &task->link); } void display_watch_fd(struct display *display, int fd, uint32_t events, struct task *task) { struct epoll_event ep; ep.events = events; ep.data.ptr = task; epoll_ctl(display->epoll_fd, EPOLL_CTL_ADD, fd, &ep); } void display_run(struct display *display) { struct task *task; struct epoll_event ep[16]; int i, count; display->running = 1; while (1) { wl_display_flush(display->display); while (!wl_list_empty(&display->deferred_list)) { task = container_of(display->deferred_list.next, struct task, link); wl_list_remove(&task->link); task->run(task, 0); } if (!display->running) break; wl_display_flush(display->display); count = epoll_wait(display->epoll_fd, ep, ARRAY_LENGTH(ep), -1); for (i = 0; i < count; i++) { task = ep[i].data.ptr; task->run(task, ep[i].events); } } } void display_exit(struct display *display) { display->running = 0; }