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- /* vim: tabstop=4 shiftwidth=4 noexpandtab
- * This file is part of ToaruOS and is released under the terms
- * of the NCSA / University of Illinois License - see LICENSE.md
- * Copyright (C) 2013-2017 Kevin Lange
- *
- * Yutani - The ToaruOS Compositor.
- *
- * Yutani is a canvas-based window compositor and manager.
- * It employs shared memory to provide clients access to
- * canvases in which they may render, while using a packet-based
- * socket interface to communicate actions between the server
- * and client such as keyboard activity, mouse movement, responses
- * to client events, etc., as well as to communicate requests from
- * the client to the server, such as creation of new windows,
- * movement, resizing, and display updates.
- */
- #include <stdio.h>
- #include <stdint.h>
- #include <syscall.h>
- #include <string.h>
- #include <stdlib.h>
- #include <signal.h>
- #include <fcntl.h>
- #include <unistd.h>
- #include <time.h>
- #include <math.h>
- #include <assert.h>
- #include <getopt.h>
- #include <errno.h>
- #include <sys/stat.h>
- #include <sys/time.h>
- #include <toaru/graphics.h>
- #include <toaru/pthread.h>
- #include <toaru/mouse.h>
- #include <toaru/kbd.h>
- #include <toaru/pex.h>
- #include <toaru/yutani.h>
- #include <toaru/hashmap.h>
- #include <toaru/list.h>
- #include <toaru/spinlock.h>
- #define _DEBUG_YUTANI
- #ifdef _DEBUG_YUTANI
- #include <toaru/trace.h>
- #define TRACE_APP_NAME "yutani"
- #else
- #define TRACE(msg,...)
- #endif
- #include "yutani_int.h"
- #define YUTANI_DEBUG_WINDOW_BOUNDS 1
- #define YUTANI_DEBUG_WINDOW_SHAPES 1
- #define YUTANI_RESIZE_RIGHT 0
- #define YUTANI_INCOMING_MOUSE_SCALE * 3
- #define MOUSE_WIDTH 64
- #define MOUSE_HEIGHT 64
- #define UNTILE_SENSITIVITY (MOUSE_SCALE * 5)
- struct {
- int nested;
- int nest_width;
- int nest_height;
- } yutani_options = {
- .nested = 0,
- .nest_width = 640,
- .nest_height = 480,
- };
- /**
- * Print usage information.
- */
- static int usage(char * argv[]) {
- fprintf(stderr,
- "Yutani - Window Compositor\n"
- "\n"
- "usage: %s [-n [-g WxH]] [-h]\n"
- "\n"
- " -n --nested \033[3mRun in a window.\033[0m\n"
- " -h --help \033[3mShow this help message.\033[0m\n"
- " -g --geometry \033[3mSet the size of the server framebuffer.\033[0m\n"
- "\n"
- " Yutani is the standard system compositor.\n"
- "\n",
- argv[0]);
- return 1;
- }
- /**
- * Parse arguments
- */
- static int parse_args(int argc, char * argv[], int * out) {
- *out = 1;
- for (int i = 1; i < argc; ++i) {
- if (argv[i][0] == '-') {
- char *c = &argv[i][1];
- *out = *out + 1;
- while (*c) {
- switch (*c) {
- case 'n':
- yutani_options.nested = 1;
- break;
- }
- c++;
- }
- }
- }
- #if 0
- static struct option long_opts[] = {
- {"nest", no_argument, 0, 'n'},
- {"geometry", required_argument, 0, 'g'},
- {"help", no_argument, 0, 'h'},
- {0,0,0,0}
- };
- int index, c;
- while ((c = getopt_long(argc, argv, "hg:n", long_opts, &index)) != -1) {
- if (!c) {
- if (long_opts[index].flag == 0) {
- c = long_opts[index].val;
- }
- }
- switch (c) {
- case 'h':
- return usage(argv);
- case 'n':
- yutani_options.nested = 1;
- break;
- case 'g':
- {
- char * c = strstr(optarg, "x");
- if (c) {
- *c = '\0';
- c++;
- yutani_options.nest_width = atoi(optarg);
- yutani_options.nest_height = atoi(c);
- }
- }
- break;
- default:
- fprintf(stderr, "Unrecognized option: %c\n", c);
- break;
- }
- }
- *out = optind;
- #endif
- return 0;
- }
- int32_t min(int32_t a, int32_t b) {
- return (a < b) ? a : b;
- }
- int32_t max(int32_t a, int32_t b) {
- return (a > b) ? a : b;
- }
- static int next_buf_id(void) {
- static int _next = 1;
- return _next++;
- }
- static int next_wid(void) {
- static int _next = 1;
- return _next++;
- }
- static uint32_t yutani_current_time(yutani_globals_t * yg) {
- struct timeval t;
- gettimeofday(&t, NULL);
- uint32_t sec_diff = t.tv_sec - yg->start_time;
- uint32_t usec_diff = t.tv_usec - yg->start_subtime;
- if (t.tv_usec < yg->start_subtime) {
- sec_diff -= 1;
- usec_diff = (1000000 + t.tv_usec) - yg->start_subtime;
- }
- return (uint32_t)(sec_diff * 1000 + usec_diff / 1000);
- }
- static uint32_t yutani_time_since(yutani_globals_t * yg, uint32_t start_time) {
- uint32_t now = yutani_current_time(yg);
- uint32_t diff = now - start_time; /* Milliseconds */
- return diff;
- }
- /**
- * Translate and transform coordinate from screen-relative to window-relative.
- */
- static void device_to_window(yutani_server_window_t * window, int32_t x, int32_t y, int32_t * out_x, int32_t * out_y) {
- if (!window) return;
- *out_x = x - window->x;
- *out_y = y - window->y;
- if (!window->rotation) return;
- #if 0
- double t_x = *out_x - (window->width / 2);
- double t_y = *out_y - (window->height / 2);
- double s = __builtin_sin(-M_PI * (window->rotation/ 180.0));
- double c = __builtin_cos(-M_PI * (window->rotation/ 180.0));
- double n_x = t_x * c - t_y * s;
- double n_y = t_x * s + t_y * c;
- *out_x = (int32_t)n_x + (window->width / 2);
- *out_y = (int32_t)n_y + (window->height / 2);
- #endif
- }
- /**
- * Translate and transform coordinate from window-relative to screen-relative.
- */
- static void window_to_device(yutani_server_window_t * window, int32_t x, int32_t y, int32_t * out_x, int32_t * out_y) {
- if (!window->rotation) {
- *out_x = window->x + x;
- *out_y = window->y + y;
- return;
- }
- #if 0
- double t_x = x - (window->width / 2);
- double t_y = y - (window->height / 2);
- double s = __builtin_sin(M_PI * (window->rotation/ 180.0));
- double c = __builtin_cos(M_PI * (window->rotation/ 180.0));
- double n_x = t_x * c - t_y * s;
- double n_y = t_x * s + t_y * c;
- *out_x = (int32_t)n_x + (window->width / 2) + window->x;
- *out_y = (int32_t)n_y + (window->height / 2) + window->y;
- #endif
- }
- /**
- * Remove a window from the z stack.
- */
- static void unorder_window(yutani_globals_t * yg, yutani_server_window_t * w) {
- unsigned short index = w->z;
- w->z = -1;
- if (index == YUTANI_ZORDER_BOTTOM) {
- yg->bottom_z = NULL;
- return;
- }
- if (index == YUTANI_ZORDER_TOP) {
- yg->top_z = NULL;
- return;
- }
- node_t * n = list_find(yg->mid_zs, w);
- if (!n) return;
- list_delete(yg->mid_zs, n);
- free(n);
- }
- /**
- * Move a window to a new stack order.
- */
- static void reorder_window(yutani_globals_t * yg, yutani_server_window_t * window, uint16_t new_zed) {
- if (!window) {
- return;
- }
- int z = window->z;
- spin_lock(&yg->redraw_lock);
- unorder_window(yg, window);
- spin_unlock(&yg->redraw_lock);
- window->z = new_zed;
- if (new_zed != YUTANI_ZORDER_TOP && new_zed != YUTANI_ZORDER_BOTTOM) {
- spin_lock(&yg->redraw_lock);
- list_insert(yg->mid_zs, window);
- spin_unlock(&yg->redraw_lock);
- return;
- }
- if (new_zed == YUTANI_ZORDER_TOP) {
- if (yg->top_z) {
- spin_lock(&yg->redraw_lock);
- unorder_window(yg, yg->top_z);
- spin_unlock(&yg->redraw_lock);
- }
- yg->top_z = window;
- return;
- }
- if (new_zed == YUTANI_ZORDER_BOTTOM) {
- if (yg->bottom_z) {
- spin_lock(&yg->redraw_lock);
- unorder_window(yg, yg->bottom_z);
- spin_unlock(&yg->redraw_lock);
- }
- yg->bottom_z = window;
- return;
- }
- }
- /**
- * Move a window to the top of the basic z stack, if valid.
- */
- static void make_top(yutani_globals_t * yg, yutani_server_window_t * w) {
- unsigned short index = w->z;
- if (index == YUTANI_ZORDER_BOTTOM) return;
- if (index == YUTANI_ZORDER_TOP) return;
- node_t * n = list_find(yg->mid_zs, w);
- if (!n) return; /* wat */
- list_delete(yg->mid_zs, n);
- list_append(yg->mid_zs, n);
- }
- /**
- * Set a window as the focused window.
- *
- * Currently, we only support one focused window.
- * In the future, we should support multiple windows as "focused" to account
- * for multiple "seats" on a single display.
- */
- static void set_focused_window(yutani_globals_t * yg, yutani_server_window_t * w) {
- if (w == yg->focused_window) {
- return; /* Already focused */
- }
- if (yg->focused_window) {
- /* Send focus change to old focused window */
- yutani_msg_t * response = yutani_msg_build_window_focus_change(yg->focused_window->wid, 0);
- pex_send(yg->server, yg->focused_window->owner, response->size, (char *)response);
- free(response);
- }
- yg->focused_window = w;
- if (w) {
- /* Send focus change to new focused window */
- yutani_msg_t * response = yutani_msg_build_window_focus_change(w->wid, 1);
- pex_send(yg->server, w->owner, response->size, (char *)response);
- free(response);
- make_top(yg, w);
- mark_window(yg, w);
- } else {
- /*
- * There is no window to focus (we're unsetting focus);
- * default to the bottom window (background)
- */
- yg->focused_window = yg->bottom_z;
- }
- /* Notify all subscribers of window changes */
- notify_subscribers(yg);
- }
- /**
- * Get the focused window.
- *
- * In case there is no focused window, we return the bottom window.
- */
- static yutani_server_window_t * get_focused(yutani_globals_t * yg) {
- if (yg->focused_window) return yg->focused_window;
- return yg->bottom_z;
- }
- /**
- * Create a server window object.
- *
- * Initializes a window of the particular size for a given client.
- */
- static yutani_server_window_t * server_window_create(yutani_globals_t * yg, int width, int height, uint32_t owner, uint32_t flags) {
- yutani_server_window_t * win = malloc(sizeof(yutani_server_window_t));
- win->wid = next_wid();
- win->owner = owner;
- list_insert(yg->windows, win);
- hashmap_set(yg->wids_to_windows, (void*)win->wid, win);
- list_t * client_list = hashmap_get(yg->clients_to_windows, (void *)owner);
- list_insert(client_list, win);
- win->x = 0;
- win->y = 0;
- win->z = 1;
- win->width = width;
- win->height = height;
- win->bufid = next_buf_id();
- win->rotation = 0;
- win->newbufid = 0;
- win->client_flags = 0;
- win->client_offsets[0] = 0;
- win->client_offsets[1] = 0;
- win->client_offsets[2] = 0;
- win->client_offsets[3] = 0;
- win->client_offsets[4] = 0;
- win->client_length = 0;
- win->client_strings = NULL;
- win->anim_mode = YUTANI_EFFECT_FADE_IN;
- win->anim_start = yutani_current_time(yg);
- win->alpha_threshold = 0;
- win->show_mouse = 1;
- win->tiled = 0;
- win->untiled_width = 0;
- win->untiled_height = 0;
- win->default_mouse = 1;
- win->server_flags = flags;
- win->opacity = 255;
- char key[1024];
- YUTANI_SHMKEY(yg->server_ident, key, 1024, win);
- size_t size = (width * height * 4);
- win->buffer = (uint8_t *)syscall_shm_obtain(key, &size);
- memset(win->buffer, 0, size);
- list_insert(yg->mid_zs, win);
- return win;
- }
- /**
- * Update the shape threshold for a window.
- *
- * A shaping threshold is a byte representing the minimum
- * required alpha for a window to be considered "solid".
- * Eg., a value of 0 says all windows are solid, while a value of
- * 1 requires a window to have at least some opacity to it,
- * and a value of 255 requires fully opaque pixels.
- *
- * Not actually stored as a byte, so a value over 255 can be used.
- * This results in a window that passes through all clicks.
- */
- static void server_window_update_shape(yutani_globals_t * yg, yutani_server_window_t * window, int set) {
- window->alpha_threshold = set;
- }
- /**
- * Start resizing a window.
- *
- * Resizing a multi-stage process.
- * The client and server agree on a size and the server prepares a buffer.
- * The client then needs to accept the resize, fill the buffer, and then
- * inform the server that it is ready, at which point we'll swap the
- * buffer we are rendering from.
- */
- static uint32_t server_window_resize(yutani_globals_t * yg, yutani_server_window_t * win, int width, int height) {
- /* A client has accepted our offer, let's make a buffer for them */
- if (win->newbufid) {
- /* Already in the middle of an accept/done, bail */
- return win->newbufid;
- }
- win->newbufid = next_buf_id();
- {
- char key[1024];
- YUTANI_SHMKEY_EXP(yg->server_ident, key, 1024, win->newbufid);
- size_t size = (width * height * 4);
- win->newbuffer = (uint8_t *)syscall_shm_obtain(key, &size);
- }
- return win->newbufid;
- }
- /**
- * Finish the resize process.
- *
- * We delete the unlink the old buffer and then swap the pointers
- * for the new buffer.
- */
- static void server_window_resize_finish(yutani_globals_t * yg, yutani_server_window_t * win, int width, int height) {
- if (!win->newbufid) {
- return;
- }
- int oldbufid = win->bufid;
- mark_window(yg, win);
- spin_lock(&yg->redraw_lock);
- win->width = width;
- win->height = height;
- win->bufid = win->newbufid;
- win->buffer = win->newbuffer;
- win->newbuffer = NULL;
- win->newbufid = 0;
- {
- char key[1024];
- YUTANI_SHMKEY_EXP(yg->server_ident, key, 1024, oldbufid);
- syscall_shm_release(key);
- }
- spin_unlock(&yg->redraw_lock);
- mark_window(yg, win);
- }
- /**
- * Add a clip region from a rectangle.
- */
- static void yutani_add_clip(yutani_globals_t * yg, double x, double y, double w, double h) {
- gfx_add_clip(yg->backend_ctx, (int)x, (int)y, (int)w, (int)h);
- }
- typedef struct {
- int32_t start;
- int32_t end;
- void * next;
- } _clip_t;
- /**
- * Mark a screen region as damaged.
- */
- static void mark_screen(yutani_globals_t * yg, int32_t x, int32_t y, int32_t width, int32_t height) {
- yutani_damage_rect_t * rect = malloc(sizeof(yutani_damage_rect_t));
- rect->x = x;
- rect->y = y;
- rect->width = width;
- rect->height = height;
- spin_lock(&yg->update_list_lock);
- list_insert(yg->update_list, rect);
- spin_unlock(&yg->update_list_lock);
- }
- /**
- * Draw the cursor sprite.
- */
- static void draw_cursor(yutani_globals_t * yg, int x, int y, int cursor) {
- sprite_t * sprite = &yg->mouse_sprite;
- static sprite_t * previous = NULL;
- if (yg->resizing_window) {
- switch (yg->resizing_direction) {
- case SCALE_UP:
- case SCALE_DOWN:
- sprite = &yg->mouse_sprite_resize_v;
- break;
- case SCALE_LEFT:
- case SCALE_RIGHT:
- sprite = &yg->mouse_sprite_resize_h;
- break;
- case SCALE_DOWN_RIGHT:
- case SCALE_UP_LEFT:
- sprite = &yg->mouse_sprite_resize_da;
- break;
- case SCALE_DOWN_LEFT:
- case SCALE_UP_RIGHT:
- sprite = &yg->mouse_sprite_resize_db;
- break;
- }
- } else if (yg->mouse_state == YUTANI_MOUSE_STATE_MOVING) {
- sprite = &yg->mouse_sprite_drag;
- } else {
- switch (cursor) {
- case YUTANI_CURSOR_TYPE_DRAG: sprite = &yg->mouse_sprite_drag; break;
- case YUTANI_CURSOR_TYPE_RESIZE_VERTICAL: sprite = &yg->mouse_sprite_resize_v; break;
- case YUTANI_CURSOR_TYPE_RESIZE_HORIZONTAL: sprite = &yg->mouse_sprite_resize_h; break;
- case YUTANI_CURSOR_TYPE_RESIZE_UP_DOWN: sprite = &yg->mouse_sprite_resize_da; break;
- case YUTANI_CURSOR_TYPE_RESIZE_DOWN_UP: sprite = &yg->mouse_sprite_resize_db; break;
- }
- }
- if (sprite != previous) {
- mark_screen(yg, x / MOUSE_SCALE - MOUSE_OFFSET_X, y / MOUSE_SCALE - MOUSE_OFFSET_Y, MOUSE_WIDTH, MOUSE_HEIGHT);
- previous = sprite;
- }
- draw_sprite(yg->backend_ctx, sprite, x / MOUSE_SCALE - MOUSE_OFFSET_X, y / MOUSE_SCALE - MOUSE_OFFSET_Y);
- }
- /**
- * Determine if a window has a solid pixel at a given screen-space coordinate.
- *
- * This is where we evaluate alpha thresholds. We only do this underneath
- * the cursor, and only when we move the cursor. It's reasonably fast
- * in those circumstances, but shouldn't be used for large regions. We
- * do have one debug method that indicates the top window in a box
- * around the cursor, but it is relatively slow.
- */
- yutani_server_window_t * check_top_at(yutani_globals_t * yg, yutani_server_window_t * w, uint16_t x, uint16_t y){
- if (!w) return NULL;
- int32_t _x = -1, _y = -1;
- device_to_window(w, x, y, &_x, &_y);
- if (_x < 0 || _x >= w->width || _y < 0 || _y >= w->height) return NULL;
- uint32_t c = ((uint32_t *)w->buffer)[(w->width * _y + _x)];
- uint8_t a = _ALP(c);
- if (a >= w->alpha_threshold) {
- return w;
- }
- return NULL;
- }
- /**
- * Find the window that is at the top at a particular screen-space coordinate.
- *
- * This walks through each window from top to bottom (foreachr - reverse foreach)
- * until it finds one with a pixel at this coordinate. Again, we only call this
- * at the cursor coordinates, and it is not particularly fast, so don't use it
- * anywhere that needs to hit a lot of coordinates.
- */
- yutani_server_window_t * top_at(yutani_globals_t * yg, uint16_t x, uint16_t y) {
- if (check_top_at(yg, yg->top_z, x, y)) return yg->top_z;
- foreachr(node, yg->mid_zs) {
- yutani_server_window_t * w = node->value;
- if (check_top_at(yg, w, x, y)) return w;
- }
- if (check_top_at(yg, yg->bottom_z, x, y)) return yg->bottom_z;
- return NULL;
- }
- /**
- * Get the window at a coordinate and focus it.
- *
- * See the docs for the proceeding functions, but added to this
- * focusing windows is also not particular fast as the reshuffle
- * is complicated.
- */
- static void set_focused_at(yutani_globals_t * yg, int x, int y) {
- yutani_server_window_t * n_focused = top_at(yg, x, y);
- set_focused_window(yg, n_focused);
- }
- /*
- * Convenience functions for checking if a window is in the top/bottom stack.
- *
- * In the future, these single-item "stacks" will be replaced with dedicated stacks
- * so we can have multiple background windows and multiple panels / always-top windows.
- */
- static int window_is_top(yutani_globals_t * yg, yutani_server_window_t * window) {
- /* For now, just use simple z-order */
- return window->z == YUTANI_ZORDER_TOP;
- }
- static int window_is_bottom(yutani_globals_t * yg, yutani_server_window_t * window) {
- /* For now, just use simple z-order */
- return window->z == YUTANI_ZORDER_BOTTOM;
- }
- /**
- * Get a color for a wid for debugging.
- *
- * Makes a pretty rainbow pattern.
- */
- static uint32_t color_for_wid(yutani_wid_t wid) {
- static uint32_t colors[] = {
- 0xFF19aeff,
- 0xFFff4141,
- 0xFFffff3e,
- 0xFFff6600,
- 0xFF9ade00,
- 0xFFd76cff,
- 0xFF364e59,
- 0xFF0084c8,
- 0xFFdc0000,
- 0xFFff9900,
- 0xFF009100,
- 0xFFba00ff,
- 0xFFb88100,
- 0xFF9eabb0
- };
- int i = wid % (sizeof(colors) / sizeof(uint32_t));
- return colors[i];
- }
- /**
- * Blit a window to the framebuffer.
- *
- * Applies transformations (rotation, animations) and then renders
- * the window through alpha blitting.
- */
- static int yutani_blit_window(yutani_globals_t * yg, yutani_server_window_t * window, int x, int y) {
- sprite_t _win_sprite;
- _win_sprite.width = window->width;
- _win_sprite.height = window->height;
- _win_sprite.bitmap = (uint32_t *)window->buffer;
- _win_sprite.masks = NULL;
- _win_sprite.blank = 0;
- _win_sprite.alpha = ALPHA_EMBEDDED;
- if (window->anim_mode) {
- int frame = yutani_time_since(yg, window->anim_start);
- if (frame >= yutani_animation_lengths[window->anim_mode]) {
- /* XXX handle animation-end things like cleanup of closing windows */
- if (window->anim_mode == YUTANI_EFFECT_FADE_OUT) {
- list_insert(yg->windows_to_remove, window);
- goto draw_finish;
- }
- window->anim_mode = 0;
- window->anim_start = 0;
- goto draw_window;
- } else {
- switch (window->anim_mode) {
- case YUTANI_EFFECT_FADE_OUT:
- {
- frame = yutani_animation_lengths[window->anim_mode] - frame;
- }
- case YUTANI_EFFECT_FADE_IN:
- {
- double time_diff = ((double)frame / (float)yutani_animation_lengths[window->anim_mode]);
- double x = 0.75 + time_diff * 0.25;
- int t_x = (window->width * (1.0 - x)) / 2;
- int t_y = (window->height * (1.0 - x)) / 2;
- double opacity = time_diff * (double)(window->opacity) / 255.0;
- if (!window_is_top(yg, window) && !window_is_bottom(yg, window) &&
- !(window->server_flags & YUTANI_WINDOW_FLAG_ALT_ANIMATION)) {
- draw_sprite_scaled_alpha(yg->backend_ctx, &_win_sprite, window->x + t_x, window->y + t_y, window->width * x, window->height * x, opacity);
- } else {
- draw_sprite_alpha(yg->backend_ctx, &_win_sprite, window->x, window->y, opacity);
- }
- }
- break;
- default:
- goto draw_window;
- break;
- }
- }
- } else {
- draw_window:
- if (window->opacity != 255) {
- double opacity = (double)(window->opacity) / 255.0;
- if (window == yg->resizing_window) {
- draw_sprite_scaled_alpha(yg->backend_ctx, &_win_sprite, window->x + (int)yg->resizing_offset_x, window->y + (int)yg->resizing_offset_y, yg->resizing_w, yg->resizing_h, opacity);
- } else {
- draw_sprite_alpha(yg->backend_ctx, &_win_sprite, window->x, window->y, opacity);
- }
- } else {
- if (window == yg->resizing_window) {
- draw_sprite_scaled(yg->backend_ctx, &_win_sprite, window->x + (int)yg->resizing_offset_x, window->y + (int)yg->resizing_offset_y, yg->resizing_w, yg->resizing_h);
- } else {
- draw_sprite(yg->backend_ctx, &_win_sprite, window->x, window->y);
- }
- }
- }
- draw_finish:
- return 0;
- }
- /**
- * Blit all windows into the given context.
- *
- * This is called for rendering and for screenshots.
- */
- static void yutani_blit_windows(yutani_globals_t * yg) {
- if (yg->bottom_z) yutani_blit_window(yg, yg->bottom_z, yg->bottom_z->x, yg->bottom_z->y);
- foreach (node, yg->mid_zs) {
- yutani_server_window_t * w = node->value;
- if (w) yutani_blit_window(yg, w, w->x, w->y);
- }
- if (yg->top_z) yutani_blit_window(yg, yg->top_z, yg->top_z->x, yg->top_z->y);
- }
- /**
- * Take a screenshot
- */
- static void yutani_screenshot(yutani_globals_t * yg) {
- /* TODO Render bitmap screenshot */
- }
- /**
- * Redraw all windows, as well as the mouse cursor.
- *
- * This is the main redraw function.
- */
- static void redraw_windows(yutani_globals_t * yg) {
- int has_updates = 0;
- /* We keep our own temporary mouse coordinates as they may change while we're drawing. */
- int tmp_mouse_x = yg->mouse_x;
- int tmp_mouse_y = yg->mouse_y;
- /* If the mouse has moved, that counts as two damage regions */
- if ((yg->last_mouse_x != tmp_mouse_x) || (yg->last_mouse_y != tmp_mouse_y)) {
- has_updates = 2;
- yutani_add_clip(yg, yg->last_mouse_x / MOUSE_SCALE - MOUSE_OFFSET_X, yg->last_mouse_y / MOUSE_SCALE - MOUSE_OFFSET_Y, MOUSE_WIDTH, MOUSE_HEIGHT);
- yutani_add_clip(yg, tmp_mouse_x / MOUSE_SCALE - MOUSE_OFFSET_X, tmp_mouse_y / MOUSE_SCALE - MOUSE_OFFSET_Y, MOUSE_WIDTH, MOUSE_HEIGHT);
- }
- yg->last_mouse_x = tmp_mouse_x;
- yg->last_mouse_y = tmp_mouse_y;
- if (yg->bottom_z && yg->bottom_z->anim_mode) mark_window(yg, yg->bottom_z);
- if (yg->top_z && yg->top_z->anim_mode) mark_window(yg, yg->top_z);
- foreach (node, yg->mid_zs) {
- yutani_server_window_t * w = node->value;
- if (w && w->anim_mode) mark_window(yg, w);
- }
- /* Calculate damage regions from currently queued updates */
- spin_lock(&yg->update_list_lock);
- while (yg->update_list->length) {
- node_t * win = list_dequeue(yg->update_list);
- yutani_damage_rect_t * rect = (void *)win->value;
- /* We add a clip region for each window in the update queue */
- has_updates = 1;
- yutani_add_clip(yg, rect->x, rect->y, rect->width, rect->height);
- free(rect);
- free(win);
- }
- spin_unlock(&yg->update_list_lock);
- /* Render */
- if (has_updates) {
- yg->windows_to_remove = list_create();
- /*
- * In theory, we should restrict this to windows within the clip region,
- * but calculating that may be more trouble than it's worth;
- * we also need to render windows in stacking order...
- */
- spin_lock(&yg->redraw_lock);
- yutani_blit_windows(yg);
- #if YUTANI_DEBUG_WINDOW_SHAPES
- #define WINDOW_SHAPE_VIEWER_SIZE 20
- /*
- * Debugging window shapes: draw a box around the mouse cursor
- * showing which window is at the top and will accept mouse events.
- */
- if (yg->debug_shapes) {
- int _ly = max(0,tmp_mouse_y/MOUSE_SCALE - WINDOW_SHAPE_VIEWER_SIZE);
- int _hy = min(yg->height,tmp_mouse_y/MOUSE_SCALE + WINDOW_SHAPE_VIEWER_SIZE);
- int _lx = max(0,tmp_mouse_x/MOUSE_SCALE - 20);
- int _hx = min(yg->width,tmp_mouse_x/MOUSE_SCALE + WINDOW_SHAPE_VIEWER_SIZE);
- for (int y = _ly; y < _hy; ++y) {
- for (int x = _lx; x < _hx; ++x) {
- yutani_server_window_t * w = top_at(yg, x, y);
- if (w) { GFX(yg->backend_ctx, x, y) = color_for_wid(w->wid); }
- }
- }
- }
- #endif
- if (yutani_options.nested) {
- flip(yg->backend_ctx);
- /*
- * We should be able to flip only the places we need to flip, but
- * instead we're going to flip the whole thing.
- *
- * TODO: Do a better job of this.
- */
- yutani_flip(yg->host_context, yg->host_window);
- yutani_server_window_t * tmp_window = top_at(yg, yg->mouse_x / MOUSE_SCALE, yg->mouse_y / MOUSE_SCALE);
- if (yg->mouse_state == YUTANI_MOUSE_STATE_MOVING) {
- yutani_window_show_mouse(yg->host_context, yg->host_window, YUTANI_CURSOR_TYPE_DRAG);
- } else if (!tmp_window || tmp_window->show_mouse) {
- yutani_window_show_mouse(yg->host_context, yg->host_window, tmp_window ? tmp_window->show_mouse : 1);
- }
- } else {
- /*
- * Draw the cursor.
- * We may also want to draw other compositor elements, like effects, but those
- * can also go in the stack order of the windows.
- */
- yutani_server_window_t * tmp_window = top_at(yg, yg->mouse_x / MOUSE_SCALE, yg->mouse_y / MOUSE_SCALE);
- if (!tmp_window || tmp_window->show_mouse) {
- draw_cursor(yg, tmp_mouse_x, tmp_mouse_y, tmp_window ? tmp_window->show_mouse : 1);
- }
- /*
- * Flip the updated areas. This minimizes writes to video memory,
- * which is very important on real hardware where these writes are slow.
- */
- flip(yg->backend_ctx);
- }
- gfx_clear_clip(yg->backend_ctx);
- spin_unlock(&yg->redraw_lock);
- /*
- * If any windows were marked for removal,
- * then remove them.
- */
- while (yg->windows_to_remove->head) {
- node_t * node = list_pop(yg->windows_to_remove);
- window_actually_close(yg, node->value);
- free(node);
- }
- free(yg->windows_to_remove);
- }
- if (yg->screenshot_frame) {
- yutani_screenshot(yg);
- }
- if (yg->resize_on_next) {
- spin_lock(&yg->redraw_lock);
- if (!yutani_options.nested) {
- reinit_graphics_fullscreen(yg->backend_ctx);
- yg->stride = framebuffer_stride();
- } else {
- reinit_graphics_yutani(yg->backend_ctx, yg->host_window);
- yg->stride = yg->backend_ctx->width * 4;
- yutani_window_resize_done(yg->host_context, yg->host_window);
- }
- yg->width = yg->backend_ctx->width;
- yg->height = yg->backend_ctx->height;
- yg->backend_framebuffer = yg->backend_ctx->backbuffer;
- yg->resize_on_next = 0;
- mark_screen(yg, 0, 0, yg->width, yg->height);
- yutani_msg_t * response = yutani_msg_build_welcome(yg->width, yg->height);
- pex_broadcast(yg->server, response->size, (char *)response);
- free(response);
- spin_unlock(&yg->redraw_lock);
- }
- }
- /**
- * Initialize clipping regions.
- */
- void yutani_clip_init(yutani_globals_t * yg) {
- yg->update_list = list_create();
- yg->update_list_lock = 0;
- }
- /**
- * Redraw thread.
- *
- * Calls the redraw functions in a loop, with some
- * additional yielding and sleeping.
- */
- void * redraw(void * in) {
- syscall_system_function(11,(char *[]){"compositor","render thread",NULL});
- yutani_globals_t * yg = in;
- while (1) {
- /*
- * Perform whatever redraw work is required.
- */
- redraw_windows(yg);
- /*
- * Attempt to run at about 60fps...
- * we should actually see how long it took to render so
- * we can sleep *less* if it took a long time to render
- * this particular frame. We are definitely not
- * going to run at 60fps unless there's nothing to do
- * (and even then we've wasted cycles checking).
- */
- usleep(16666);
- }
- }
- /**
- * Mark a region within a window as damaged.
- *
- * If the window is rotated, we calculate the minimum rectangle that covers
- * the whole region specified and then mark that.
- */
- static void mark_window_relative(yutani_globals_t * yg, yutani_server_window_t * window, int32_t x, int32_t y, int32_t width, int32_t height) {
- yutani_damage_rect_t * rect = malloc(sizeof(yutani_damage_rect_t));
- if (window == yg->resizing_window) {
- double x_scale = (double)yg->resizing_w / (double)yg->resizing_window->width;
- double y_scale = (double)yg->resizing_h / (double)yg->resizing_window->height;
- x *= x_scale;
- x += yg->resizing_offset_x - 1;
- y *= y_scale;
- y += yg->resizing_offset_y - 1;
- width *= x_scale;
- height *= y_scale;
- width += 2;
- height += 2;
- }
- if (window->rotation == 0) {
- rect->x = window->x + x;
- rect->y = window->y + y;
- rect->width = width;
- rect->height = height;
- } else {
- int32_t ul_x, ul_y;
- int32_t ll_x, ll_y;
- int32_t ur_x, ur_y;
- int32_t lr_x, lr_y;
- window_to_device(window, x, y, &ul_x, &ul_y);
- window_to_device(window, x, y + height, &ll_x, &ll_y);
- window_to_device(window, x + width, y, &ur_x, &ur_y);
- window_to_device(window, x + width, y + height, &lr_x, &lr_y);
- /* Calculate bounds */
- int32_t left_bound = min(min(ul_x, ll_x), min(ur_x, lr_x));
- int32_t top_bound = min(min(ul_y, ll_y), min(ur_y, lr_y));
- int32_t right_bound = max(max(ul_x, ll_x), max(ur_x, lr_x));
- int32_t bottom_bound = max(max(ul_y, ll_y), max(ur_y, lr_y));
- rect->x = left_bound;
- rect->y = top_bound;
- rect->width = right_bound - left_bound;
- rect->height = bottom_bound - top_bound;
- }
- spin_lock(&yg->update_list_lock);
- list_insert(yg->update_list, rect);
- spin_unlock(&yg->update_list_lock);
- }
- /**
- * (Convenience function) Mark a whole a window as damaged.
- */
- static void mark_window(yutani_globals_t * yg, yutani_server_window_t * window) {
- mark_window_relative(yg, window, 0, 0, window->width, window->height);
- }
- /**
- * Set a window as closed. It will be removed after rendering has completed.
- */
- static void window_mark_for_close(yutani_globals_t * yg, yutani_server_window_t * w) {
- w->anim_mode = YUTANI_EFFECT_FADE_OUT;
- w->anim_start = yutani_current_time(yg);
- }
- /**
- * Remove a window from its owner's child set.
- */
- static void window_remove_from_client(yutani_globals_t * yg, yutani_server_window_t * w) {
- list_t * client_list = hashmap_get(yg->clients_to_windows, (void *)w->owner);
- if (client_list) {
- node_t * n = list_find(client_list, w);
- if (n) {
- list_delete(client_list, n);
- free(n);
- }
- }
- }
- /**
- * Actually remove a window and free the associated resources.
- */
- static void window_actually_close(yutani_globals_t * yg, yutani_server_window_t * w) {
- /* Remove from the wid -> window mapping */
- hashmap_remove(yg->wids_to_windows, (void *)w->wid);
- /* Remove from the general list of windows. */
- list_remove(yg->windows, list_index_of(yg->windows, w));
- /* Unstack the window */
- unorder_window(yg, w);
- /* Mark the region where the window was */
- mark_window(yg, w);
- /* And if it was focused, unfocus it. */
- if (w == yg->focused_window) {
- /* find the top z-ordered window */
- yg->focused_window = NULL;
- if (yg->mid_zs->tail && yg->mid_zs->tail->value) {
- set_focused_window(yg, yg->mid_zs->tail->value);
- }
- }
- {
- char key[1024];
- YUTANI_SHMKEY_EXP(yg->server_ident, key, 1024, w->bufid);
- /*
- * Normally we would acquire a lock before doing this, but the render
- * thread holds that lock already and we are only called from the
- * render thread, so we don't bother.
- */
- syscall_shm_release(key);
- }
- /* Notify subscribers that there are changes to windows */
- notify_subscribers(yg);
- }
- /**
- * Generate flags for client advertisements.
- *
- * Currently, we only have one flag (focused).
- */
- static uint32_t ad_flags(yutani_globals_t * yg, yutani_server_window_t * win) {
- uint32_t flags = win->client_flags;
- if (win == yg->focused_window) {
- flags |= 1;
- }
- return flags;
- }
- /**
- * Send a result for a window query.
- */
- static void yutani_query_result(yutani_globals_t * yg, uint32_t dest, yutani_server_window_t * win) {
- if (win && win->client_length) {
- yutani_msg_t * response = yutani_msg_build_window_advertise(win->wid, ad_flags(yg, win), win->client_offsets, win->client_length, win->client_strings);
- pex_send(yg->server, dest, response->size, (char *)response);
- free(response);
- }
- }
- /**
- * Send a notice to all subscribed clients that windows have updated.
- */
- static void notify_subscribers(yutani_globals_t * yg) {
- yutani_msg_t * response = yutani_msg_build_notify();
- list_t * remove = NULL;
- foreach(node, yg->window_subscribers) {
- uint32_t subscriber = (uint32_t)node->value;
- if (!hashmap_has(yg->clients_to_windows, (void *)subscriber)) {
- if (!remove) {
- remove = list_create();
- }
- list_insert(remove, node);
- } else {
- pex_send(yg->server, subscriber, response->size, (char *)response);
- }
- }
- if (remove) {
- while (remove->length) {
- node_t * n = list_pop(remove);
- list_delete(yg->window_subscribers, n->value);
- free(n);
- }
- free(remove);
- }
- free(response);
- }
- static void window_move(yutani_globals_t * yg, yutani_server_window_t * window, int x, int y) {
- mark_window(yg, window);
- window->x = x;
- window->y = y;
- mark_window(yg, window);
- yutani_msg_t * response = yutani_msg_build_window_move(window->wid, x, y);
- pex_send(yg->server, window->owner, response->size, (char *)response);
- }
- /**
- * Move and resize a window to fit a particular tiling pattern.
- *
- * x and y are 0-based
- * width_div and height_div are the number of cells in each dimension
- */
- static void window_tile(yutani_globals_t * yg, yutani_server_window_t * window, int width_div, int height_div, int x, int y) {
- int panel_h = 0;
- yutani_server_window_t * panel = yg->top_z;
- if (panel) {
- panel_h = panel->height;
- if (panel->y < 1) {
- panel_h += panel->y; /* We can move the panel up to "hide" it. */
- }
- }
- if (!window->tiled) {
- window->untiled_width = window->width;
- window->untiled_height = window->height;
- window->tiled = 1;
- }
- int w = yg->width / width_div;
- int h = (yg->height - panel_h) / height_div;
- /* Calculate, move, etc. */
- window_move(yg, window, w * x, panel_h + h * y);
- if (x == width_div - 1) {
- w = yg->width - w * x;
- }
- if (y == height_div - 1) {
- h = (yg->height - panel_h) - h * y;
- }
- yutani_msg_t * response = yutani_msg_build_window_resize(YUTANI_MSG_RESIZE_OFFER, window->wid, w, h, 0);
- pex_send(yg->server, window->owner, response->size, (char *)response);
- free(response);
- return;
- }
- /**
- * Process a key event.
- *
- * These are mostly compositor shortcuts and bindings.
- * We also process key bindings for other applications.
- */
- static void handle_key_event(yutani_globals_t * yg, struct yutani_msg_key_event * ke) {
- yutani_server_window_t * focused = get_focused(yg);
- memcpy(&yg->kbd_state, &ke->state, sizeof(key_event_state_t));
- if (focused) {
- if ((ke->event.action == KEY_ACTION_DOWN) &&
- (ke->event.modifiers & KEY_MOD_LEFT_CTRL) &&
- (ke->event.modifiers & KEY_MOD_LEFT_SHIFT) &&
- (ke->event.keycode == 'z')) {
- mark_window(yg,focused);
- focused->rotation -= 5;
- mark_window(yg,focused);
- return;
- }
- if ((ke->event.action == KEY_ACTION_DOWN) &&
- (ke->event.modifiers & KEY_MOD_LEFT_CTRL) &&
- (ke->event.modifiers & KEY_MOD_LEFT_SHIFT) &&
- (ke->event.keycode == 'x')) {
- mark_window(yg,focused);
- focused->rotation += 5;
- mark_window(yg,focused);
- return;
- }
- if ((ke->event.action == KEY_ACTION_DOWN) &&
- (ke->event.modifiers & KEY_MOD_LEFT_CTRL) &&
- (ke->event.modifiers & KEY_MOD_LEFT_SHIFT) &&
- (ke->event.keycode == 'c')) {
- mark_window(yg,focused);
- focused->rotation = 0;
- mark_window(yg,focused);
- return;
- }
- if ((ke->event.action == KEY_ACTION_DOWN) &&
- (ke->event.modifiers & KEY_MOD_LEFT_ALT) &&
- (ke->event.keycode == KEY_F10)) {
- if (focused->z != YUTANI_ZORDER_BOTTOM && focused->z != YUTANI_ZORDER_TOP) {
- window_tile(yg, focused, 1, 1, 0, 0);
- return;
- }
- }
- if ((ke->event.action == KEY_ACTION_DOWN) &&
- (ke->event.modifiers & KEY_MOD_LEFT_ALT) &&
- (ke->event.keycode == KEY_F4)) {
- if (focused->z != YUTANI_ZORDER_BOTTOM && focused->z != YUTANI_ZORDER_TOP) {
- yutani_msg_t * response = yutani_msg_build_session_end();
- pex_send(yg->server, focused->owner, response->size, (char *)response);
- free(response);
- return;
- }
- }
- #if YUTANI_DEBUG_WINDOW_SHAPES
- if ((ke->event.action == KEY_ACTION_DOWN) &&
- (ke->event.modifiers & KEY_MOD_LEFT_CTRL) &&
- (ke->event.modifiers & KEY_MOD_LEFT_SHIFT) &&
- (ke->event.keycode == 'v')) {
- yg->debug_shapes = (1-yg->debug_shapes);
- return;
- }
- #endif
- #if YUTANI_DEBUG_WINDOW_BOUNDS
- if ((ke->event.action == KEY_ACTION_DOWN) &&
- (ke->event.modifiers & KEY_MOD_LEFT_CTRL) &&
- (ke->event.modifiers & KEY_MOD_LEFT_SHIFT) &&
- (ke->event.keycode == 'b')) {
- yg->debug_bounds = (1-yg->debug_bounds);
- return;
- }
- #endif
- /*
- * Tiling hooks.
- * These are based on the compiz grid plugin.
- */
- if ((ke->event.action == KEY_ACTION_DOWN) &&
- (ke->event.modifiers & KEY_MOD_LEFT_SUPER)) {
- if ((ke->event.modifiers & KEY_MOD_LEFT_SHIFT) &&
- (ke->event.keycode == KEY_ARROW_LEFT)) {
- if (focused->z != YUTANI_ZORDER_BOTTOM && focused->z != YUTANI_ZORDER_TOP) {
- window_tile(yg, focused, 2, 2, 0, 0);
- return;
- }
- }
- if ((ke->event.modifiers & KEY_MOD_LEFT_SHIFT) &&
- (ke->event.keycode == KEY_ARROW_RIGHT)) {
- if (focused->z != YUTANI_ZORDER_BOTTOM && focused->z != YUTANI_ZORDER_TOP) {
- window_tile(yg, focused, 2, 2, 1, 0);
- return;
- }
- }
- if ((ke->event.modifiers & KEY_MOD_LEFT_CTRL) &&
- (ke->event.keycode == KEY_ARROW_LEFT)) {
- if (focused->z != YUTANI_ZORDER_BOTTOM && focused->z != YUTANI_ZORDER_TOP) {
- window_tile(yg, focused, 2, 2, 0, 1);
- return;
- }
- }
- if ((ke->event.modifiers & KEY_MOD_LEFT_CTRL) &&
- (ke->event.keycode == KEY_ARROW_RIGHT)) {
- if (focused->z != YUTANI_ZORDER_BOTTOM && focused->z != YUTANI_ZORDER_TOP) {
- window_tile(yg, focused, 2, 2, 1, 1);
- return;
- }
- }
- if ((ke->event.keycode == KEY_ARROW_LEFT)) {
- if (focused->z != YUTANI_ZORDER_BOTTOM && focused->z != YUTANI_ZORDER_TOP) {
- window_tile(yg, focused, 2, 1, 0, 0);
- return;
- }
- }
- if ((ke->event.keycode == KEY_ARROW_RIGHT)) {
- if (focused->z != YUTANI_ZORDER_BOTTOM && focused->z != YUTANI_ZORDER_TOP) {
- window_tile(yg, focused, 2, 1, 1, 0);
- return;
- }
- }
- if ((ke->event.keycode == KEY_ARROW_UP)) {
- if (focused->z != YUTANI_ZORDER_BOTTOM && focused->z != YUTANI_ZORDER_TOP) {
- window_tile(yg, focused, 1, 2, 0, 0);
- return;
- }
- }
- if ((ke->event.keycode == KEY_ARROW_DOWN)) {
- if (focused->z != YUTANI_ZORDER_BOTTOM && focused->z != YUTANI_ZORDER_TOP) {
- window_tile(yg, focused, 1, 2, 0, 1);
- return;
- }
- }
- if ((ke->event.modifiers & KEY_MOD_LEFT_CTRL) &&
- (ke->event.keycode == 's')) {
- yg->screenshot_frame = YUTANI_SCREENSHOT_FULL;
- return;
- }
- if ((ke->event.modifiers & KEY_MOD_LEFT_CTRL) &&
- (ke->event.keycode == 'w')) {
- yg->screenshot_frame = YUTANI_SCREENSHOT_WINDOW;
- return;
- }
- }
- }
- /*
- * External bindings registered by clients.
- */
- uint32_t key_code = ((ke->event.modifiers << 24) | (ke->event.keycode));
- if (hashmap_has(yg->key_binds, (void*)key_code)) {
- struct key_bind * bind = hashmap_get(yg->key_binds, (void*)key_code);
- yutani_msg_t * response = yutani_msg_build_key_event(focused ? focused->wid : -1, &ke->event, &ke->state);
- pex_send(yg->server, bind->owner, response->size, (char *)response);
- free(response);
- if (bind->response == YUTANI_BIND_STEAL) {
- /* If this keybinding was registered as "steal", we'll stop here. */
- return;
- }
- }
- /* Finally, send the key to the focused client. */
- if (focused) {
- yutani_msg_t * response = yutani_msg_build_key_event(focused->wid, &ke->event, &ke->state);
- pex_send(yg->server, focused->owner, response->size, (char *)response);
- free(response);
- }
- }
- /**
- * Register a new keybinding.
- *
- * req - bind message
- * owner - client to assign the binding to
- */
- static void add_key_bind(yutani_globals_t * yg, struct yutani_msg_key_bind * req, unsigned int owner) {
- uint32_t key_code = (((uint8_t)req->modifiers << 24) | ((uint32_t)req->key & 0xFFFFFF));
- struct key_bind * bind = hashmap_get(yg->key_binds, (void*)key_code);
- if (!bind) {
- bind = malloc(sizeof(struct key_bind));
- bind->owner = owner;
- bind->response = req->response;
- hashmap_set(yg->key_binds, (void*)key_code, bind);
- } else {
- bind->owner = owner;
- bind->response = req->response;
- }
- }
- static void adjust_window_opacity(yutani_globals_t * yg, int direction) {
- yutani_server_window_t * window = top_at(yg, yg->mouse_x / MOUSE_SCALE, yg->mouse_y / MOUSE_SCALE);
- if (window && window->z != YUTANI_ZORDER_BOTTOM) {
- window->opacity += direction;
- if (window->opacity < 0) {
- window->opacity = 0;
- }
- if (window->opacity > 255) {
- window->opacity = 255;
- }
- mark_window(yg, window);
- }
- }
- static void mouse_start_drag(yutani_globals_t * yg, yutani_server_window_t * w) {
- set_focused_at(yg, yg->mouse_x / MOUSE_SCALE, yg->mouse_y / MOUSE_SCALE);
- if (!w) {
- yg->mouse_window = get_focused(yg);
- } else {
- yg->mouse_window = w;
- }
- if (yg->mouse_window) {
- if (yg->mouse_window->z == YUTANI_ZORDER_BOTTOM || yg->mouse_window->z == YUTANI_ZORDER_TOP
- || yg->mouse_window->server_flags & YUTANI_WINDOW_FLAG_DISALLOW_DRAG) {
- yg->mouse_state = YUTANI_MOUSE_STATE_NORMAL;
- yg->mouse_window = NULL;
- } else {
- yg->mouse_state = YUTANI_MOUSE_STATE_MOVING;
- yg->mouse_init_x = yg->mouse_x;
- yg->mouse_init_y = yg->mouse_y;
- yg->mouse_win_x = yg->mouse_window->x;
- yg->mouse_win_y = yg->mouse_window->y;
- yg->mouse_drag_button = yg->last_mouse_buttons;
- mark_screen(yg, yg->mouse_x / MOUSE_SCALE - MOUSE_OFFSET_X, yg->mouse_y / MOUSE_SCALE - MOUSE_OFFSET_Y, MOUSE_WIDTH, MOUSE_HEIGHT);
- make_top(yg, yg->mouse_window);
- }
- }
- }
- static void mouse_start_rotate(yutani_globals_t * yg) {
- #if 0
- set_focused_at(yg, yg->mouse_x / MOUSE_SCALE, yg->mouse_y / MOUSE_SCALE);
- yg->mouse_window = get_focused(yg);
- if (yg->mouse_window) {
- if (yg->mouse_window->z == YUTANI_ZORDER_BOTTOM || yg->mouse_window->z == YUTANI_ZORDER_TOP) {
- /* Prevent rotating panel and wallpaper */
- yg->mouse_state = YUTANI_MOUSE_STATE_NORMAL;
- yg->mouse_window = NULL;
- return;
- }
- yg->mouse_state = YUTANI_MOUSE_STATE_ROTATING;
- yg->mouse_init_x = yg->mouse_x;
- yg->mouse_init_y = yg->mouse_y;
- int32_t x_diff = yg->mouse_x / MOUSE_SCALE - (yg->mouse_window->x + yg->mouse_window->width / 2);
- int32_t y_diff = yg->mouse_y / MOUSE_SCALE - (yg->mouse_window->y + yg->mouse_window->height / 2);
- int new_r = __builtin_atan2(x_diff, y_diff) * 180.0 / (-M_PI);
- yg->mouse_init_r = yg->mouse_window->rotation - new_r;
- make_top(yg, yg->mouse_window);
- }
- #endif
- }
- static void mouse_start_resize(yutani_globals_t * yg, yutani_scale_direction_t direction) {
- set_focused_at(yg, yg->mouse_x / MOUSE_SCALE, yg->mouse_y / MOUSE_SCALE);
- yg->mouse_window = get_focused(yg);
- if (yg->mouse_window) {
- if (yg->mouse_window->z == YUTANI_ZORDER_BOTTOM || yg->mouse_window->z == YUTANI_ZORDER_TOP
- || yg->mouse_window->server_flags & YUTANI_WINDOW_FLAG_DISALLOW_RESIZE) {
- /* Prevent resizing panel and wallpaper */
- yg->mouse_state = YUTANI_MOUSE_STATE_NORMAL;
- yg->mouse_window = NULL;
- yg->resizing_window = NULL;
- } else {
- TRACE("resize starting for wid=%d", yg->mouse_window -> wid);
- yg->mouse_state = YUTANI_MOUSE_STATE_RESIZING;
- yg->mouse_init_x = yg->mouse_x;
- yg->mouse_init_y = yg->mouse_y;
- yg->mouse_win_x = yg->mouse_window->x;
- yg->mouse_win_y = yg->mouse_window->y;
- yg->resizing_window = yg->mouse_window;
- yg->resizing_w = yg->mouse_window->width;
- yg->resizing_h = yg->mouse_window->height;
- yg->resizing_offset_x = 0;
- yg->resizing_offset_y = 0;
- if (direction == SCALE_AUTO) {
- /* Determine the best direction to scale in based on simple 9-cell system. */
- int32_t x, y;
- device_to_window(yg->resizing_window, yg->mouse_x / MOUSE_SCALE, yg->mouse_y / MOUSE_SCALE, &x, &y);
- int h_d = 0;
- int v_d = 0;
- if (y <= yg->resizing_h / 3) {
- v_d = -1;
- } else if (y >= (yg->resizing_h / 3) * 2) {
- v_d = 1;
- }
- if (x <= yg->resizing_w / 3) {
- h_d = -1;
- } else if (x >= (yg->resizing_w / 3) * 2) {
- h_d = 1;
- }
- /* Fall back */
- if (h_d == 0 && v_d == 0) direction = SCALE_DOWN_RIGHT;
- else if (h_d == 1 && v_d == 1) direction = SCALE_DOWN_RIGHT;
- else if (h_d == 1 && v_d == -1) direction = SCALE_UP_RIGHT;
- else if (h_d == -1 && v_d == 1) direction = SCALE_DOWN_LEFT;
- else if (h_d == -1 && v_d == -1) direction = SCALE_UP_LEFT;
- else if (h_d == 1 && v_d == 0) direction = SCALE_RIGHT;
- else if (h_d == -1 && v_d == 0) direction = SCALE_LEFT;
- else if (h_d == 0 && v_d == 1) direction = SCALE_DOWN;
- else if (h_d == 0 && v_d == -1) direction = SCALE_UP;
- }
- yg->resizing_direction = direction;
- make_top(yg, yg->mouse_window);
- mark_window(yg, yg->resizing_window);
- }
- }
- }
- static void handle_mouse_event(yutani_globals_t * yg, struct yutani_msg_mouse_event * me) {
- if (me->type == YUTANI_MOUSE_EVENT_TYPE_RELATIVE) {
- yg->mouse_x += me->event.x_difference YUTANI_INCOMING_MOUSE_SCALE;
- yg->mouse_y -= me->event.y_difference YUTANI_INCOMING_MOUSE_SCALE;
- } else if (me->type == YUTANI_MOUSE_EVENT_TYPE_ABSOLUTE) {
- yg->mouse_x = me->event.x_difference * MOUSE_SCALE;
- yg->mouse_y = me->event.y_difference * MOUSE_SCALE;
- }
- if (yg->mouse_x < 0) yg->mouse_x = 0;
- if (yg->mouse_y < 0) yg->mouse_y = 0;
- if (yg->mouse_x > (yg->width) * MOUSE_SCALE) yg->mouse_x = (yg->width) * MOUSE_SCALE;
- if (yg->mouse_y > (yg->height) * MOUSE_SCALE) yg->mouse_y = (yg->height) * MOUSE_SCALE;
- switch (yg->mouse_state) {
- case YUTANI_MOUSE_STATE_NORMAL:
- {
- if ((me->event.buttons & YUTANI_MOUSE_BUTTON_LEFT) && (yg->kbd_state.k_alt)) {
- mouse_start_drag(yg, NULL);
- } else if ((me->event.buttons & YUTANI_MOUSE_SCROLL_UP) && (yg->kbd_state.k_alt)) {
- adjust_window_opacity(yg, 8);
- } else if ((me->event.buttons & YUTANI_MOUSE_SCROLL_DOWN) && (yg->kbd_state.k_alt)) {
- adjust_window_opacity(yg, -8);
- } else if ((me->event.buttons & YUTANI_MOUSE_BUTTON_RIGHT) && (yg->kbd_state.k_alt)) {
- mouse_start_rotate(yg);
- } else if ((me->event.buttons & YUTANI_MOUSE_BUTTON_MIDDLE) && (yg->kbd_state.k_alt)) {
- yg->resizing_button = YUTANI_MOUSE_BUTTON_MIDDLE;
- mouse_start_resize(yg, SCALE_AUTO);
- } else if ((me->event.buttons & YUTANI_MOUSE_BUTTON_LEFT) && (!yg->kbd_state.k_alt)) {
- yg->mouse_state = YUTANI_MOUSE_STATE_DRAGGING;
- set_focused_at(yg, yg->mouse_x / MOUSE_SCALE, yg->mouse_y / MOUSE_SCALE);
- yg->mouse_window = get_focused(yg);
- yg->mouse_moved = 0;
- yg->mouse_drag_button = YUTANI_MOUSE_BUTTON_LEFT;
- if (yg->mouse_window) {
- device_to_window(yg->mouse_window, yg->mouse_x / MOUSE_SCALE, yg->mouse_y / MOUSE_SCALE, &yg->mouse_click_x, &yg->mouse_click_y);
- yutani_msg_t * response = yutani_msg_build_window_mouse_event(yg->mouse_window->wid, yg->mouse_click_x, yg->mouse_click_y, -1, -1, me->event.buttons, YUTANI_MOUSE_EVENT_DOWN);
- yg->mouse_click_x_orig = yg->mouse_click_x;
- yg->mouse_click_y_orig = yg->mouse_click_y;
- pex_send(yg->server, yg->mouse_window->owner, response->size, (char *)response);
- free(response);
- }
- } else {
- yg->mouse_window = get_focused(yg);
- yutani_server_window_t * tmp_window = top_at(yg, yg->mouse_x / MOUSE_SCALE, yg->mouse_y / MOUSE_SCALE);
- if (yg->mouse_window) {
- int32_t x, y;
- device_to_window(yg->mouse_window, yg->mouse_x / MOUSE_SCALE, yg->mouse_y / MOUSE_SCALE, &x, &y);
- yutani_msg_t * response = yutani_msg_build_window_mouse_event(yg->mouse_window->wid, x, y, -1, -1, me->event.buttons, YUTANI_MOUSE_EVENT_MOVE);
- pex_send(yg->server, yg->mouse_window->owner, response->size, (char *)response);
- free(response);
- }
- if (tmp_window) {
- int32_t x, y;
- yutani_msg_t * response;
- if (tmp_window != yg->old_hover_window) {
- device_to_window(tmp_window, yg->mouse_x / MOUSE_SCALE, yg->mouse_y / MOUSE_SCALE, &x, &y);
- response = yutani_msg_build_window_mouse_event(tmp_window->wid, x, y, -1, -1, me->event.buttons, YUTANI_MOUSE_EVENT_ENTER);
- pex_send(yg->server, tmp_window->owner, response->size, (char *)response);
- free(response);
- if (yg->old_hover_window) {
- device_to_window(yg->old_hover_window, yg->mouse_x / MOUSE_SCALE, yg->mouse_y / MOUSE_SCALE, &x, &y);
- response = yutani_msg_build_window_mouse_event(yg->old_hover_window->wid, x, y, -1, -1, me->event.buttons, YUTANI_MOUSE_EVENT_LEAVE);
- pex_send(yg->server, yg->old_hover_window->owner, response->size, (char *)response);
- free(response);
- }
- yg->old_hover_window = tmp_window;
- }
- if (tmp_window != yg->mouse_window) {
- device_to_window(tmp_window, yg->mouse_x / MOUSE_SCALE, yg->mouse_y / MOUSE_SCALE, &x, &y);
- response = yutani_msg_build_window_mouse_event(tmp_window->wid, x, y, -1, -1, me->event.buttons, YUTANI_MOUSE_EVENT_MOVE);
- pex_send(yg->server, tmp_window->owner, response->size, (char *)response);
- free(response);
- }
- }
- }
- }
- break;
- case YUTANI_MOUSE_STATE_MOVING:
- {
- int button_down = (me->event.buttons & YUTANI_MOUSE_BUTTON_LEFT);
- int drag_stop = yg->mouse_drag_button != 0 ? (!button_down) : (button_down);
- if (drag_stop) {
- yg->mouse_window = NULL;
- yg->mouse_state = YUTANI_MOUSE_STATE_NORMAL;
- mark_screen(yg, yg->mouse_x / MOUSE_SCALE - MOUSE_OFFSET_X, yg->mouse_y / MOUSE_SCALE - MOUSE_OFFSET_Y, MOUSE_WIDTH, MOUSE_HEIGHT);
- } else {
- if (yg->mouse_y / MOUSE_SCALE < 2) {
- window_tile(yg, yg->mouse_window, 1, 1, 0, 0);
- yg->mouse_window = NULL;
- yg->mouse_state = YUTANI_MOUSE_STATE_NORMAL;
- break;
- }
- if (yg->mouse_window->tiled) {
- if ((abs(yg->mouse_x - yg->mouse_init_x) > UNTILE_SENSITIVITY) || (abs(yg->mouse_y - yg->mouse_init_y) > UNTILE_SENSITIVITY)) {
- /* Untile it */
- yg->mouse_window->tiled = 0;
- /* Position the window such that it's representative of where it was, percentage-wise, in the untiled window */
- float percent_x = (float)(yg->mouse_x / MOUSE_SCALE - yg->mouse_window->x) / (float)yg->mouse_window->width;
- float percent_y = (float)(yg->mouse_y / MOUSE_SCALE - yg->mouse_window->y) / (float)yg->mouse_window->height;
- window_move(yg, yg->mouse_window,
- yg->mouse_x / MOUSE_SCALE - yg->mouse_window->untiled_width * percent_x,
- yg->mouse_y / MOUSE_SCALE - yg->mouse_window->untiled_height * percent_y);
- yutani_msg_t * response = yutani_msg_build_window_resize(YUTANI_MSG_RESIZE_OFFER, yg->mouse_window->wid, yg->mouse_window->untiled_width, yg->mouse_window->untiled_height, 0);
- pex_send(yg->server, yg->mouse_window->owner, response->size, (char *)response);
- free(response);
- /* reset init_x / init_y */
- yg->mouse_init_x = yg->mouse_x;
- yg->mouse_init_y = yg->mouse_y;
- yg->mouse_win_x = yg->mouse_window->x;
- yg->mouse_win_y = yg->mouse_window->y;
- }
- } else {
- int x, y;
- x = yg->mouse_win_x + (yg->mouse_x - yg->mouse_init_x) / MOUSE_SCALE;
- y = yg->mouse_win_y + (yg->mouse_y - yg->mouse_init_y) / MOUSE_SCALE;
- window_move(yg, yg->mouse_window, x, y);
- }
- }
- }
- break;
- case YUTANI_MOUSE_STATE_ROTATING:
- {
- #if 0
- if (!(me->event.buttons & YUTANI_MOUSE_BUTTON_RIGHT)) {
- yg->mouse_window = NULL;
- yg->mouse_state = YUTANI_MOUSE_STATE_NORMAL;
- mark_screen(yg, yg->mouse_x / MOUSE_SCALE - MOUSE_OFFSET_X, yg->mouse_y / MOUSE_SCALE - MOUSE_OFFSET_Y, MOUSE_WIDTH, MOUSE_HEIGHT);
- } else if (yg->mouse_window) {
- /* Calculate rotation and make relative to initial rotation */
- int32_t x_diff = yg->mouse_x / MOUSE_SCALE - (yg->mouse_window->x + yg->mouse_window->width / 2);
- int32_t y_diff = yg->mouse_y / MOUSE_SCALE - (yg->mouse_window->y + yg->mouse_window->height / 2);
- int new_r = __builtin_atan2(x_diff, y_diff) * 180.0 / (-M_PI);
- mark_window(yg, yg->mouse_window);
- yg->mouse_window->rotation = new_r + yg->mouse_init_r;
- mark_window(yg, yg->mouse_window);
- }
- #endif
- }
- break;
- case YUTANI_MOUSE_STATE_DRAGGING:
- {
- if (!(me->event.buttons & yg->mouse_drag_button)) {
- /* Mouse released */
- yg->mouse_state = YUTANI_MOUSE_STATE_NORMAL;
- int32_t old_x = yg->mouse_click_x_orig;
- int32_t old_y = yg->mouse_click_y_orig;
- if (yg->mouse_window) {
- device_to_window(yg->mouse_window, yg->mouse_x / MOUSE_SCALE, yg->mouse_y / MOUSE_SCALE, &yg->mouse_click_x, &yg->mouse_click_y);
- if (!yg->mouse_moved) {
- yutani_msg_t * response = yutani_msg_build_window_mouse_event(yg->mouse_window->wid, yg->mouse_click_x, yg->mouse_click_y, -1, -1, me->event.buttons, YUTANI_MOUSE_EVENT_CLICK);
- pex_send(yg->server, yg->mouse_window->owner, response->size, (char *)response);
- free(response);
- } else {
- yutani_msg_t * response = yutani_msg_build_window_mouse_event(yg->mouse_window->wid, yg->mouse_click_x, yg->mouse_click_y, old_x, old_y, me->event.buttons, YUTANI_MOUSE_EVENT_RAISE);
- pex_send(yg->server, yg->mouse_window->owner, response->size, (char *)response);
- free(response);
- }
- }
- } else {
- yg->mouse_state = YUTANI_MOUSE_STATE_DRAGGING;
- yg->mouse_moved = 1;
- int32_t old_x = yg->mouse_click_x;
- int32_t old_y = yg->mouse_click_y;
- if (yg->mouse_window) {
- device_to_window(yg->mouse_window, yg->mouse_x / MOUSE_SCALE, yg->mouse_y / MOUSE_SCALE, &yg->mouse_click_x, &yg->mouse_click_y);
- if (old_x != yg->mouse_click_x || old_y != yg->mouse_click_y) {
- yutani_msg_t * response = yutani_msg_build_window_mouse_event(yg->mouse_window->wid, yg->mouse_click_x, yg->mouse_click_y, old_x, old_y, me->event.buttons, YUTANI_MOUSE_EVENT_DRAG);
- pex_send(yg->server, yg->mouse_window->owner, response->size, (char *)response);
- free(response);
- }
- }
- }
- }
- break;
- case YUTANI_MOUSE_STATE_RESIZING:
- {
- int32_t relative_x, relative_y;
- int32_t relative_init_x, relative_init_y;
- device_to_window(yg->resizing_window, yg->mouse_init_x / MOUSE_SCALE, yg->mouse_init_y / MOUSE_SCALE, &relative_init_x, &relative_init_y);
- device_to_window(yg->resizing_window, yg->mouse_x / MOUSE_SCALE, yg->mouse_y / MOUSE_SCALE, &relative_x, &relative_y);
- int width_diff = (relative_x - relative_init_x);
- int height_diff = (relative_y - relative_init_y);
- mark_window(yg, yg->resizing_window);
- if (yg->resizing_direction == SCALE_UP || yg->resizing_direction == SCALE_DOWN) {
- width_diff = 0;
- yg->resizing_offset_x = 0;
- }
- if (yg->resizing_direction == SCALE_LEFT || yg->resizing_direction == SCALE_RIGHT) {
- height_diff = 0;
- yg->resizing_offset_y = 0;
- }
- if (yg->resizing_direction == SCALE_LEFT ||
- yg->resizing_direction == SCALE_UP_LEFT ||
- yg->resizing_direction == SCALE_DOWN_LEFT) {
- yg->resizing_offset_x = width_diff;
- width_diff = -width_diff;
- } else if (yg->resizing_direction == SCALE_RIGHT ||
- yg->resizing_direction == SCALE_UP_RIGHT ||
- yg->resizing_direction == SCALE_DOWN_RIGHT) {
- yg->resizing_offset_x = 0;
- }
- if (yg->resizing_direction == SCALE_UP ||
- yg->resizing_direction == SCALE_UP_LEFT ||
- yg->resizing_direction == SCALE_UP_RIGHT) {
- yg->resizing_offset_y = height_diff;
- height_diff = -height_diff;
- } else if (yg->resizing_direction == SCALE_DOWN ||
- yg->resizing_direction == SCALE_DOWN_LEFT ||
- yg->resizing_direction == SCALE_DOWN_RIGHT) {
- yg->resizing_offset_y = 0;
- }
- yg->resizing_w = yg->resizing_window->width + width_diff;
- yg->resizing_h = yg->resizing_window->height + height_diff;
- /* Enforce logical boundaries */
- if (yg->resizing_w < 1) {
- yg->resizing_w = 1;
- }
- if (yg->resizing_h < 1) {
- yg->resizing_h = 1;
- }
- if (yg->resizing_offset_x > yg->resizing_window->width) {
- yg->resizing_offset_x = yg->resizing_window->width;
- }
- if (yg->resizing_offset_y > yg->resizing_window->height) {
- yg->resizing_offset_y = yg->resizing_window->height;
- }
- mark_window(yg, yg->resizing_window);
- if (!(me->event.buttons & yg->resizing_button)) {
- int32_t x, y;
- if (yg->resizing_window->rotation) {
- /* If the window is rotated, we need to move the center to be where the new center should be, but x/y are based on the unrotated upper left corner. */
- /* The center always moves by one-half the resize dimensions */
- int32_t center_x, center_y;
- window_to_device(yg->resizing_window, yg->resizing_offset_x + yg->resizing_w / 2, yg->resizing_offset_y + yg->resizing_h / 2, ¢er_x, ¢er_y);
- x = center_x - yg->resizing_w / 2;
- y = center_y - yg->resizing_h / 2;
- } else {
- window_to_device(yg->resizing_window, yg->resizing_offset_x, yg->resizing_offset_y, &x, &y);
- }
- TRACE("resize complete, now %d x %d", yg->resizing_w, yg->resizing_h);
- window_move(yg, yg->resizing_window, x,y);
- yutani_msg_t * response = yutani_msg_build_window_resize(YUTANI_MSG_RESIZE_OFFER, yg->resizing_window->wid, yg->resizing_w, yg->resizing_h, 0);
- pex_send(yg->server, yg->resizing_window->owner, response->size, (char *)response);
- free(response);
- yg->resizing_window = NULL;
- yg->mouse_window = NULL;
- yg->mouse_state = YUTANI_MOUSE_STATE_NORMAL;
- }
- }
- break;
- default:
- /* XXX ? */
- break;
- }
- }
- static yutani_globals_t * _static_yg;
- static void yutani_display_resize_handle(int signum) {
- (void)signum;
- TRACE("Display change request, one moment.");
- _static_yg->resize_on_next = 1;
- }
- /**
- * main
- */
- int main(int argc, char * argv[]) {
- int argx = 0;
- int results = parse_args(argc, argv, &argx);
- if (results) return results;
- yutani_globals_t * yg = malloc(sizeof(yutani_globals_t));
- memset(yg, 0x00, sizeof(yutani_globals_t));
- if (yutani_options.nested) {
- yg->host_context = yutani_init();
- yg->host_window = yutani_window_create(yg->host_context, yutani_options.nest_width, yutani_options.nest_height);
- yutani_window_move(yg->host_context, yg->host_window, 50, 50);
- yutani_window_advertise_icon(yg->host_context, yg->host_window, "Compositor", "compositor");
- yg->backend_ctx = init_graphics_yutani_double_buffer(yg->host_window);
- yg->stride = yg->backend_ctx->width * 4;
- } else {
- _static_yg = yg;
- signal(SIGWINEVENT, yutani_display_resize_handle);
- yg->backend_ctx = init_graphics_fullscreen_double_buffer();
- yg->stride = framebuffer_stride();
- }
- if (!yg->backend_ctx) {
- free(yg);
- TRACE("Failed to open framebuffer, bailing.");
- return 1;
- }
- {
- struct timeval t;
- gettimeofday(&t, NULL);
- yg->start_time = t.tv_sec;
- yg->start_subtime = t.tv_usec;
- }
- yg->width = yg->backend_ctx->width;
- yg->height = yg->backend_ctx->height;
- draw_fill(yg->backend_ctx, rgb(110,110,110));
- flip(yg->backend_ctx);
- yg->backend_framebuffer = yg->backend_ctx->backbuffer;
- if (yutani_options.nested) {
- char * name = malloc(sizeof(char) * 64);
- sprintf(name, "compositor-nest-%d", getpid());
- yg->server_ident = name;
- } else {
- /* XXX check if this already exists? */
- yg->server_ident = "compositor";
- }
- // XXX need setenv to get display variable
- //setenv("DISPLAY", yg->server_ident, 1);
- char * _env = malloc(sizeof(char) * 64);
- sprintf(_env, "DISPLAY=%s", yg->server_ident);
- /* count environ */
- size_t env_c = 0;
- for (char ** env = environ; *env; env++, env_c++);
- char ** env_new = malloc(sizeof(char *) * (env_c + 2));
- int set_env = 0;
- for (size_t i = 0; i < env_c; ++i) {
- if (strstr(environ[i], "DISPLAY=") == environ[i]) {
- TRACE("Display already set, replacing.\n");
- env_new[i] = _env;
- set_env = 1;
- } else {
- env_new[i] = environ[i];
- }
- }
- if (!set_env) {
- env_new[env_c] = _env;
- env_c++;
- }
- env_new[env_c] = NULL;
- environ = env_new;
- TRACE("environment has %d items", env_c);
- FILE * server = pex_bind(yg->server_ident);
- TRACE("pex bound? %d", server);
- yg->server = server;
- #if 0
- load_sprite_png(&yg->mouse_sprite, "/usr/share/cursor/normal.png");
- load_sprite_png(&yg->mouse_sprite_drag, "/usr/share/cursor/drag.png");
- load_sprite_png(&yg->mouse_sprite_resize_v, "/usr/share/cursor/resize-vertical.png");
- load_sprite_png(&yg->mouse_sprite_resize_h, "/usr/share/cursor/resize-horizontal.png");
- load_sprite_png(&yg->mouse_sprite_resize_da, "/usr/share/cursor/resize-uldr.png");
- load_sprite_png(&yg->mouse_sprite_resize_db, "/usr/share/cursor/resize-dlur.png");
- #endif
- TRACE("Loading sprites...");
- #define MOUSE_DIR "/usr/share/cursor/"
- load_sprite(&yg->mouse_sprite, MOUSE_DIR "mouse.bmp");
- yg->mouse_sprite.alpha = ALPHA_EMBEDDED;
- load_sprite(&yg->mouse_sprite_drag, MOUSE_DIR "drag.bmp");
- yg->mouse_sprite_drag.alpha = ALPHA_EMBEDDED;
- load_sprite(&yg->mouse_sprite_resize_v, MOUSE_DIR "resize-vertical.bmp");
- yg->mouse_sprite_resize_v.alpha = ALPHA_EMBEDDED;
- load_sprite(&yg->mouse_sprite_resize_h, MOUSE_DIR "resize-horizontal.bmp");
- yg->mouse_sprite_resize_h.alpha = ALPHA_EMBEDDED;
- load_sprite(&yg->mouse_sprite_resize_da, MOUSE_DIR "resize-uldr.bmp");
- yg->mouse_sprite_resize_da.alpha = ALPHA_EMBEDDED;
- load_sprite(&yg->mouse_sprite_resize_db, MOUSE_DIR "resize-dlur.bmp");
- yg->mouse_sprite_resize_db.alpha = ALPHA_EMBEDDED;
- TRACE("Done.");
- TRACE("Initializing variables...");
- yg->last_mouse_x = 0;
- yg->last_mouse_y = 0;
- yg->mouse_x = yg->width * MOUSE_SCALE / 2;
- yg->mouse_y = yg->height * MOUSE_SCALE / 2;
- yg->windows = list_create();
- yg->wids_to_windows = hashmap_create_int(10);
- yg->key_binds = hashmap_create_int(10);
- yg->clients_to_windows = hashmap_create_int(10);
- yg->mid_zs = list_create();
- yg->window_subscribers = list_create();
- yg->last_mouse_buttons = 0;
- TRACE("Done.");
- yutani_clip_init(yg);
- pthread_t render_thread;
- TRACE("Starting render thread.");
- pthread_create(&render_thread, NULL, redraw, yg);
- if (!fork()) {
- if (argx < argc) {
- TRACE("Starting alternate startup app: %s", argv[argx]);
- execvp(argv[argx], &argv[argx]);
- } else {
- TRACE("Starting application");
- char * args[] = {"/bin/session", NULL};
- execvp(args[0], args);
- TRACE("Failed to start app?");
- }
- }
- int fds[4], mfd, kfd, amfd;
- int vmmouse = 0;
- mouse_device_packet_t packet;
- key_event_t event;
- key_event_state_t state = {0};
- fds[0] = fileno(server);
- if (yutani_options.nested) {
- fds[1] = fileno(yg->host_context->sock);
- } else {
- mfd = open("/dev/mouse", O_RDONLY);
- kfd = open("/dev/kbd", O_RDONLY);
- amfd = open("/dev/absmouse", O_RDONLY);
- if (amfd == -1) {
- amfd = open("/dev/vmmouse", O_RDONLY);
- vmmouse = 1;
- }
- fds[1] = mfd;
- fds[2] = kfd;
- fds[3] = amfd;
- }
- while (1) {
- if (yutani_options.nested) {
- int index = syscall_fswait(2, fds);
- if (index == 1) {
- yutani_msg_t * m = yutani_poll(yg->host_context);
- if (m) {
- switch (m->type) {
- case YUTANI_MSG_KEY_EVENT:
- {
- struct yutani_msg_key_event * ke = (void*)m->data;
- yutani_msg_t * m_ = yutani_msg_build_key_event(0, &ke->event, &ke->state);
- handle_key_event(yg, (struct yutani_msg_key_event *)m_->data);
- free(m_);
- }
- break;
- case YUTANI_MSG_WINDOW_MOUSE_EVENT:
- {
- struct yutani_msg_window_mouse_event * me = (void*)m->data;
- mouse_device_packet_t packet;
- packet.buttons = me->buttons;
- packet.x_difference = me->new_x;
- packet.y_difference = me->new_y;
- yg->last_mouse_buttons = packet.buttons;
- yutani_msg_t * m_ = yutani_msg_build_mouse_event(0, &packet, YUTANI_MOUSE_EVENT_TYPE_ABSOLUTE);
- handle_mouse_event(yg, (struct yutani_msg_mouse_event *)m_->data);
- free(m_);
- }
- break;
- case YUTANI_MSG_RESIZE_OFFER:
- {
- struct yutani_msg_window_resize * wr = (void*)m->data;
- TRACE("Resize request from host compositor for size %dx%d", wr->width, wr->height);
- yutani_window_resize_accept(yg->host_context, yg->host_window, wr->width, wr->height);
- yg->resize_on_next = 1;
- }
- break;
- case YUTANI_MSG_SESSION_END:
- {
- TRACE("Host session ended. Should exit.");
- yutani_msg_t * response = yutani_msg_build_session_end();
- pex_broadcast(server, response->size, (char *)response);
- free(response);
- kill(render_thread.id, SIGINT);
- exit(0);
- }
- break;
- default:
- break;
- }
- }
- free(m);
- continue;
- }
- } else {
- int index = syscall_fswait(amfd == -1 ? 3 : 4, fds);
- if (index == 2) {
- char buf[1];
- int r = read(kfd, buf, 1);
- if (r > 0) {
- kbd_scancode(&state, buf[0], &event);
- yutani_msg_t * m = yutani_msg_build_key_event(0, &event, &state);
- handle_key_event(yg, (struct yutani_msg_key_event *)m->data);
- free(m);
- }
- continue;
- } else if (index == 1) {
- int r = read(mfd, (char *)&packet, sizeof(mouse_device_packet_t));
- if (r > 0) {
- yg->last_mouse_buttons = packet.buttons;
- yutani_msg_t * m = yutani_msg_build_mouse_event(0, &packet, YUTANI_MOUSE_EVENT_TYPE_RELATIVE);
- handle_mouse_event(yg, (struct yutani_msg_mouse_event *)m->data);
- free(m);
- }
- continue;
- } else if (index == 3) {
- int r = read(amfd, (char *)&packet, sizeof(mouse_device_packet_t));
- if (r > 0) {
- if (!vmmouse) {
- packet.buttons = yg->last_mouse_buttons & 0xF;
- } else {
- yg->last_mouse_buttons = packet.buttons;
- }
- yutani_msg_t * m = yutani_msg_build_mouse_event(0, &packet, YUTANI_MOUSE_EVENT_TYPE_ABSOLUTE);
- handle_mouse_event(yg, (struct yutani_msg_mouse_event *)m->data);
- free(m);
- }
- continue;
- }
- }
- pex_packet_t * p = calloc(PACKET_SIZE, 1);
- pex_listen(server, p);
- yutani_msg_t * m = (yutani_msg_t *)p->data;
- if (p->size == 0) {
- /* Connection closed for client */
- TRACE("Connection closed for client %x", p->source);
- list_t * client_list = hashmap_get(yg->clients_to_windows, (void *)p->source);
- if (client_list) {
- foreach(node, client_list) {
- yutani_server_window_t * win = node->value;
- TRACE("Killing window %d", win->wid);
- window_mark_for_close(yg, win);
- }
- hashmap_remove(yg->clients_to_windows, (void *)p->source);
- list_free(client_list);
- free(client_list);
- }
- free(p);
- continue;
- }
- if (m->magic != YUTANI_MSG__MAGIC) {
- TRACE("Message has bad magic. (Should eject client, but will instead skip this message.) 0x%x", m->magic);
- free(p);
- continue;
- }
- switch(m->type) {
- case YUTANI_MSG_HELLO:
- {
- TRACE("And hello to you, %08x!", p->source);
- list_t * client_list = hashmap_get(yg->clients_to_windows, (void *)p->source);
- if (!client_list) {
- TRACE("Client is new: %x", p->source);
- client_list = list_create();
- hashmap_set(yg->clients_to_windows, (void *)p->source, client_list);
- }
- yutani_msg_t * response = yutani_msg_build_welcome(yg->width, yg->height);
- pex_send(server, p->source, response->size, (char *)response);
- free(response);
- }
- break;
- case YUTANI_MSG_WINDOW_NEW:
- case YUTANI_MSG_WINDOW_NEW_FLAGS:
- {
- struct yutani_msg_window_new_flags * wn = (void *)m->data;
- TRACE("Client %08x requested a new window (%dx%d).", p->source, wn->width, wn->height);
- yutani_server_window_t * w = server_window_create(yg, wn->width, wn->height, p->source, m->type != YUTANI_MSG_WINDOW_NEW ? wn->flags : 0);
- yutani_msg_t * response = yutani_msg_build_window_init(w->wid, w->width, w->height, w->bufid);
- pex_send(server, p->source, response->size, (char *)response);
- free(response);
- if (!(w->server_flags & YUTANI_WINDOW_FLAG_NO_STEAL_FOCUS)) {
- set_focused_window(yg, w);
- }
- notify_subscribers(yg);
- }
- break;
- case YUTANI_MSG_FLIP:
- {
- struct yutani_msg_flip * wf = (void *)m->data;
- yutani_server_window_t * w = hashmap_get(yg->wids_to_windows, (void *)wf->wid);
- if (w) {
- mark_window(yg, w);
- }
- }
- break;
- case YUTANI_MSG_FLIP_REGION:
- {
- struct yutani_msg_flip_region * wf = (void *)m->data;
- yutani_server_window_t * w = hashmap_get(yg->wids_to_windows, (void *)wf->wid);
- if (w) {
- mark_window_relative(yg, w, wf->x, wf->y, wf->width, wf->height);
- }
- }
- break;
- case YUTANI_MSG_KEY_EVENT:
- {
- /* XXX Verify this is from a valid device client */
- struct yutani_msg_key_event * ke = (void *)m->data;
- handle_key_event(yg, ke);
- }
- break;
- case YUTANI_MSG_MOUSE_EVENT:
- {
- /* XXX Verify this is from a valid device client */
- struct yutani_msg_mouse_event * me = (void *)m->data;
- handle_mouse_event(yg, me);
- }
- break;
- case YUTANI_MSG_WINDOW_MOVE:
- {
- struct yutani_msg_window_move * wm = (void *)m->data;
- TRACE("%08x wanted to move window %d to %d, %d", p->source, wm->wid, (int)wm->x, (int)wm->y);
- if (wm->x > (int)yg->width + 100 || wm->x < -(int)yg->width || wm->y > (int)yg->height + 100 || wm->y < -(int)yg->height) {
- TRACE("Refusing to move window to these coordinates.");
- break;
- }
- yutani_server_window_t * win = hashmap_get(yg->wids_to_windows, (void*)wm->wid);
- if (win) {
- window_move(yg, win, wm->x, wm->y);
- } else {
- TRACE("%08x wanted to move window %d, but I can't find it?", p->source, wm->wid);
- }
- }
- break;
- case YUTANI_MSG_WINDOW_CLOSE:
- {
- struct yutani_msg_window_close * wc = (void *)m->data;
- yutani_server_window_t * w = hashmap_get(yg->wids_to_windows, (void *)wc->wid);
- if (w) {
- window_mark_for_close(yg, w);
- window_remove_from_client(yg, w);
- }
- }
- break;
- case YUTANI_MSG_WINDOW_STACK:
- {
- struct yutani_msg_window_stack * ws = (void *)m->data;
- yutani_server_window_t * w = hashmap_get(yg->wids_to_windows, (void *)ws->wid);
- if (w) {
- reorder_window(yg, w, ws->z);
- }
- }
- break;
- case YUTANI_MSG_RESIZE_REQUEST:
- {
- struct yutani_msg_window_resize * wr = (void *)m->data;
- yutani_server_window_t * w = hashmap_get(yg->wids_to_windows, (void *)wr->wid);
- if (w) {
- yutani_msg_t * response = yutani_msg_build_window_resize(YUTANI_MSG_RESIZE_OFFER, w->wid, wr->width, wr->height, 0);
- pex_send(server, p->source, response->size, (char *)response);
- free(response);
- }
- }
- break;
- case YUTANI_MSG_RESIZE_OFFER:
- {
- struct yutani_msg_window_resize * wr = (void *)m->data;
- yutani_server_window_t * w = hashmap_get(yg->wids_to_windows, (void *)wr->wid);
- if (w) {
- yutani_msg_t * response = yutani_msg_build_window_resize(YUTANI_MSG_RESIZE_OFFER, w->wid, wr->width, wr->height, 0);
- pex_send(server, p->source, response->size, (char *)response);
- free(response);
- }
- }
- break;
- case YUTANI_MSG_RESIZE_ACCEPT:
- {
- struct yutani_msg_window_resize * wr = (void *)m->data;
- yutani_server_window_t * w = hashmap_get(yg->wids_to_windows, (void *)wr->wid);
- if (w) {
- uint32_t newbufid = server_window_resize(yg, w, wr->width, wr->height);
- yutani_msg_t * response = yutani_msg_build_window_resize(YUTANI_MSG_RESIZE_BUFID, w->wid, wr->width, wr->height, newbufid);
- pex_send(server, p->source, response->size, (char *)response);
- free(response);
- }
- }
- break;
- case YUTANI_MSG_RESIZE_DONE:
- {
- struct yutani_msg_window_resize * wr = (void *)m->data;
- yutani_server_window_t * w = hashmap_get(yg->wids_to_windows, (void *)wr->wid);
- if (w) {
- server_window_resize_finish(yg, w, wr->width, wr->height);
- }
- }
- break;
- case YUTANI_MSG_QUERY_WINDOWS:
- {
- yutani_query_result(yg, p->source, yg->bottom_z);
- foreach (node, yg->mid_zs) {
- yutani_query_result(yg, p->source, node->value);
- }
- yutani_query_result(yg, p->source, yg->top_z);
- yutani_msg_t * response = yutani_msg_build_window_advertise(0, 0, NULL, 0, NULL);
- pex_send(server, p->source, response->size, (char *)response);
- free(response);
- }
- break;
- case YUTANI_MSG_SUBSCRIBE:
- {
- foreach(node, yg->window_subscribers) {
- if ((uint32_t)node->value == p->source) {
- break;
- }
- }
- list_insert(yg->window_subscribers, (void*)p->source);
- }
- break;
- case YUTANI_MSG_UNSUBSCRIBE:
- {
- node_t * node = list_find(yg->window_subscribers, (void*)p->source);
- if (node) {
- list_delete(yg->window_subscribers, node);
- }
- }
- break;
- case YUTANI_MSG_WINDOW_ADVERTISE:
- {
- struct yutani_msg_window_advertise * wa = (void *)m->data;
- yutani_server_window_t * w = hashmap_get(yg->wids_to_windows, (void *)wa->wid);
- if (w) {
- if (w->client_strings) free(w->client_strings);
- for (int i = 0; i < 5; ++i) {
- w->client_offsets[i] = wa->offsets[i];
- }
- w->client_flags = wa->flags;
- w->client_length = wa->size;
- w->client_strings = malloc(wa->size);
- memcpy(w->client_strings, wa->strings, wa->size);
- notify_subscribers(yg);
- }
- }
- break;
- case YUTANI_MSG_SESSION_END:
- {
- yutani_msg_t * response = yutani_msg_build_session_end();
- pex_broadcast(server, response->size, (char *)response);
- free(response);
- }
- break;
- case YUTANI_MSG_WINDOW_FOCUS:
- {
- struct yutani_msg_window_focus * wa = (void *)m->data;
- yutani_server_window_t * w = hashmap_get(yg->wids_to_windows, (void *)wa->wid);
- if (w) {
- set_focused_window(yg, w);
- }
- }
- break;
- case YUTANI_MSG_KEY_BIND:
- {
- struct yutani_msg_key_bind * wa = (void *)m->data;
- add_key_bind(yg, wa, p->source);
- }
- break;
- case YUTANI_MSG_WINDOW_DRAG_START:
- {
- struct yutani_msg_window_drag_start * wa = (void *)m->data;
- yutani_server_window_t * w = hashmap_get(yg->wids_to_windows, (void *)wa->wid);
- if (w) {
- /* Start dragging */
- mouse_start_drag(yg, w);
- }
- }
- break;
- case YUTANI_MSG_WINDOW_UPDATE_SHAPE:
- {
- struct yutani_msg_window_update_shape * wa = (void *)m->data;
- yutani_server_window_t * w = hashmap_get(yg->wids_to_windows, (void *)wa->wid);
- if (w) {
- /* Set shape parameter */
- server_window_update_shape(yg, w, wa->set_shape);
- }
- }
- break;
- case YUTANI_MSG_WINDOW_WARP_MOUSE:
- {
- struct yutani_msg_window_warp_mouse * wa = (void *)m->data;
- yutani_server_window_t * w = hashmap_get(yg->wids_to_windows, (void *)wa->wid);
- if (w) {
- if (yg->focused_window == w) {
- int32_t x, y;
- window_to_device(w, wa->x, wa->y, &x, &y);
- struct yutani_msg_mouse_event me;
- me.event.x_difference = x;
- me.event.y_difference = y;
- me.event.buttons = 0;
- me.type = YUTANI_MOUSE_EVENT_TYPE_ABSOLUTE;
- me.wid = wa->wid;
- handle_mouse_event(yg, &me);
- }
- }
- }
- break;
- case YUTANI_MSG_WINDOW_SHOW_MOUSE:
- {
- struct yutani_msg_window_show_mouse * wa = (void *)m->data;
- yutani_server_window_t * w = hashmap_get(yg->wids_to_windows, (void *)wa->wid);
- if (w) {
- if (wa->show_mouse == -1) {
- w->show_mouse = w->default_mouse;
- } else if (wa->show_mouse < 2) {
- w->default_mouse = wa->show_mouse;
- w->show_mouse = wa->show_mouse;
- } else {
- w->show_mouse = wa->show_mouse;
- }
- if (yg->focused_window == w) {
- mark_screen(yg, yg->mouse_x / MOUSE_SCALE - MOUSE_OFFSET_X, yg->mouse_y / MOUSE_SCALE - MOUSE_OFFSET_Y, MOUSE_WIDTH, MOUSE_HEIGHT);
- }
- }
- }
- break;
- case YUTANI_MSG_WINDOW_RESIZE_START:
- {
- struct yutani_msg_window_resize_start * wa = (void *)m->data;
- yutani_server_window_t * w = hashmap_get(yg->wids_to_windows, (void *)wa->wid);
- if (w) {
- if (yg->focused_window == w && !yg->resizing_window) {
- yg->resizing_window = w;
- yg->resizing_button = YUTANI_MOUSE_BUTTON_LEFT; /* XXX Uh, what if we used something else */
- mouse_start_resize(yg, wa->direction);
- }
- }
- }
- break;
- default:
- {
- TRACE("Unknown type: 0x%8x", m->type);
- }
- break;
- }
- free(p);
- }
- return 0;
- }
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