4 * i3 - an improved dynamic tiling window manager
6 * © 2009 Michael Stapelberg and contributors
8 * See file LICENSE for license information.
10 * layout.c: Functions handling layout/drawing of window decorations
30 #include "workspace.h"
33 * Updates *destination with new_value and returns true if it was changed or false
37 static bool update_if_necessary(uint32_t *destination, const uint32_t new_value) {
38 uint32_t old_value = *destination;
40 return ((*destination = new_value) != old_value);
44 * Gets the unoccupied space (= space which is available for windows which were resized by the user)
45 * for the given row. This is necessary to render both, customly resized windows and never touched
46 * windows correctly, meaning that the aspect ratio will be maintained when opening new windows.
49 int get_unoccupied_x(Workspace *workspace) {
50 double unoccupied = workspace->rect.width;
51 double default_factor = ((float)workspace->rect.width / workspace->cols) / workspace->rect.width;
53 LOG("get_unoccupied_x(), starting with %f, default_factor = %f\n", unoccupied, default_factor);
55 for (int cols = 0; cols < workspace->cols; cols++) {
56 LOG("width_factor[%d] = %f, unoccupied = %f\n", cols, workspace->width_factor[cols], unoccupied);
58 if (workspace->width_factor[cols] == 0)
59 unoccupied -= workspace->rect.width * default_factor;
62 LOG("unoccupied space: %f\n", unoccupied);
66 /* See get_unoccupied_x() */
67 int get_unoccupied_y(Workspace *workspace) {
68 int height = workspace_height(workspace);
69 double unoccupied = height;
70 double default_factor = ((float)height / workspace->rows) / height;
72 LOG("get_unoccupied_y(), starting with %f, default_factor = %f\n", unoccupied, default_factor);
74 for (int rows = 0; rows < workspace->rows; rows++) {
75 LOG("height_factor[%d] = %f, unoccupied = %f\n", rows, workspace->height_factor[rows], unoccupied);
76 if (workspace->height_factor[rows] == 0)
77 unoccupied -= height * default_factor;
80 LOG("unoccupied space: %f\n", unoccupied);
85 * Redecorates the given client correctly by checking if it’s in a stacking container and
86 * re-rendering the stack window or just calling decorate_window if it’s not in a stacking
90 void redecorate_window(xcb_connection_t *conn, Client *client) {
91 if (client->container != NULL &&
92 (client->container->mode == MODE_STACK ||
93 client->container->mode == MODE_TABBED)) {
94 render_container(conn, client->container);
95 /* We clear the frame to generate exposure events, because the color used
96 in drawing may be different */
97 xcb_clear_area(conn, true, client->frame, 0, 0, client->rect.width, client->rect.height);
98 } else decorate_window(conn, client, client->frame, client->titlegc, 0, 0);
103 * (Re-)draws window decorations for a given Client onto the given drawable/graphic context.
104 * When in stacking mode, the window decorations are drawn onto an own window.
107 void decorate_window(xcb_connection_t *conn, Client *client, xcb_drawable_t drawable,
108 xcb_gcontext_t gc, int offset_x, int offset_y) {
109 i3Font *font = load_font(conn, config.font);
110 int decoration_height = font->height + 2 + 2;
111 struct Colortriple *color;
112 Client *last_focused;
114 /* Clients without a container (docks) won’t get decorated */
118 last_focused = SLIST_FIRST(&(client->workspace->focus_stack));
119 /* Is the window urgent? */
121 color = &(config.client.urgent);
123 if (client_is_floating(client)) {
124 if (last_focused == client)
125 color = &(config.client.focused);
126 else color = &(config.client.unfocused);
128 if (client->container->currently_focused == client) {
129 /* Distinguish if the window is currently focused… */
130 if (last_focused == client && c_ws == client->workspace)
131 color = &(config.client.focused);
132 /* …or if it is the focused window in a not focused container */
133 else color = &(config.client.focused_inactive);
134 } else color = &(config.client.unfocused);
138 /* Our plan is the following:
139 - Draw a rect around the whole client in color->background
140 - Draw two lines in a lighter color
141 - Draw the window’s title
144 /* Draw a rectangle in background color around the window */
145 if (client->borderless && (client->container == NULL ||
146 (client->container->mode != MODE_STACK &&
147 client->container->mode != MODE_TABBED)))
148 xcb_change_gc_single(conn, gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
149 else xcb_change_gc_single(conn, gc, XCB_GC_FOREGROUND, color->background);
151 /* In stacking mode, we only render the rect for this specific decoration */
152 if (client->container != NULL && (client->container->mode == MODE_STACK || client->container->mode == MODE_TABBED)) {
153 /* We need to use the container’s width because it is the more recent value - when
154 in stacking mode, clients get reconfigured only on demand (the not active client
155 is not reconfigured), so the client’s rect.width would be wrong */
156 xcb_rectangle_t rect = {offset_x, offset_y,
157 offset_x + client->container->width,
158 offset_y + decoration_height };
159 xcb_poly_fill_rectangle(conn, drawable, gc, 1, &rect);
161 xcb_rectangle_t rect = {0, 0, client->rect.width, client->rect.height};
162 xcb_poly_fill_rectangle(conn, drawable, gc, 1, &rect);
164 /* Draw the inner background to have a black frame around clients (such as mplayer)
165 which cannot be resized exactly in our frames and therefore are centered */
166 xcb_change_gc_single(conn, client->titlegc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
167 if (client->titlebar_position == TITLEBAR_OFF) {
168 xcb_rectangle_t crect = {1, 1, client->rect.width - (1 + 1), client->rect.height - (1 + 1)};
169 xcb_poly_fill_rectangle(conn, client->frame, client->titlegc, 1, &crect);
171 xcb_rectangle_t crect = {2, decoration_height,
172 client->rect.width - (2 + 2), client->rect.height - 2 - decoration_height};
173 xcb_poly_fill_rectangle(conn, client->frame, client->titlegc, 1, &crect);
177 if (client->titlebar_position != TITLEBAR_OFF) {
179 xcb_draw_line(conn, drawable, gc, color->border, offset_x, offset_y, offset_x + client->rect.width, offset_y);
180 if ((client->container == NULL ||
181 (client->container->mode != MODE_STACK &&
182 client->container->mode != MODE_TABBED) ||
183 CIRCLEQ_NEXT_OR_NULL(&(client->container->clients), client, clients) == NULL))
184 xcb_draw_line(conn, drawable, gc, color->border,
185 offset_x + 2, /* x */
186 offset_y + font->height + 3, /* y */
187 offset_x + client->rect.width - 3, /* to_x */
188 offset_y + font->height + 3 /* to_y */);
191 /* If the client has a title, we draw it */
192 if (client->name != NULL &&
193 ((client->container != NULL &&
194 client->container->mode != MODE_DEFAULT) ||
195 client->titlebar_position != TITLEBAR_OFF)) {
197 uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT;
198 uint32_t values[] = { color->text, color->background, font->id };
199 xcb_change_gc(conn, gc, mask, values);
201 /* name_len == -1 means this is a legacy application which does not specify _NET_WM_NAME,
202 and we don’t handle the old window name (COMPOUND_TEXT) but only _NET_WM_NAME, which
204 if (client->name_len == -1)
205 xcb_image_text_8(conn, strlen(client->name), drawable, gc, offset_x + 3 /* X */,
206 offset_y + font->height /* Y = baseline of font */, client->name);
208 xcb_image_text_16(conn, client->name_len, drawable, gc, offset_x + 3 /* X */,
209 offset_y + font->height /* Y = baseline of font */, (xcb_char2b_t*)client->name);
214 * Pushes the client’s x and y coordinates to X11
217 void reposition_client(xcb_connection_t *conn, Client *client) {
220 LOG("frame 0x%08x needs to be pushed to %dx%d\n", client->frame, client->rect.x, client->rect.y);
221 /* Note: We can use a pointer to client->x like an array of uint32_ts
222 because it is followed by client->y by definition */
223 xcb_configure_window(conn, client->frame, XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y, &(client->rect.x));
225 if (!client_is_floating(client))
228 /* If the client is floating, we need to check if we moved it to a different workspace */
229 if (client->workspace->screen == (screen = get_screen_containing(client->rect.x, client->rect.y)))
232 if (screen == NULL) {
233 LOG("Boundary checking disabled, no screen found for (%d, %d)\n", client->rect.x, client->rect.y);
237 LOG("Client is on workspace %p with screen %p\n", client->workspace, client->workspace->screen);
238 LOG("but screen at %d, %d is %p\n", client->rect.x, client->rect.y, screen);
239 floating_assign_to_workspace(client, screen->current_workspace);
243 * Pushes the client’s width/height to X11 and resizes the child window. This
244 * function also updates the client’s position, so if you work on tiling clients
245 * only, you can use this function instead of separate calls to reposition_client
246 * and resize_client to reduce flickering.
249 void resize_client(xcb_connection_t *conn, Client *client) {
250 i3Font *font = load_font(conn, config.font);
252 LOG("frame 0x%08x needs to be pushed to %dx%d\n", client->frame, client->rect.x, client->rect.y);
253 LOG("resizing client 0x%08x to %d x %d\n", client->frame, client->rect.width, client->rect.height);
254 xcb_configure_window(conn, client->frame,
255 XCB_CONFIG_WINDOW_X |
256 XCB_CONFIG_WINDOW_Y |
257 XCB_CONFIG_WINDOW_WIDTH |
258 XCB_CONFIG_WINDOW_HEIGHT,
261 /* Adjust the position of the child inside its frame.
262 * The coordinates of the child are relative to its frame, we
263 * add a border of 2 pixel to each value */
264 uint32_t mask = XCB_CONFIG_WINDOW_X |
265 XCB_CONFIG_WINDOW_Y |
266 XCB_CONFIG_WINDOW_WIDTH |
267 XCB_CONFIG_WINDOW_HEIGHT;
268 Rect *rect = &(client->child_rect);
269 switch ((client->container != NULL ? client->container->mode : MODE_DEFAULT)) {
274 rect->width = client->rect.width - (2 + 2);
275 rect->height = client->rect.height - 2;
278 if (client->titlebar_position == TITLEBAR_OFF && client->borderless) {
281 rect->width = client->rect.width;
282 rect->height = client->rect.height;
283 } else if (client->titlebar_position == TITLEBAR_OFF && !client->borderless) {
286 rect->width = client->rect.width - 1 - 1;
287 rect->height = client->rect.height - 1 - 1;
290 rect->y = font->height + 2 + 2;
291 rect->width = client->rect.width - (2 + 2);
292 rect->height = client->rect.height - ((font->height + 2 + 2) + 2);
297 rect->width -= (2 * client->border_width);
298 rect->height -= (2 * client->border_width);
300 /* Obey the ratio, if any */
301 if (client->proportional_height != 0 &&
302 client->proportional_width != 0) {
303 LOG("proportional height = %d, width = %d\n", client->proportional_height, client->proportional_width);
304 double new_height = rect->height + 1;
305 int new_width = rect->width;
307 while (new_height > rect->height) {
308 new_height = ((double)client->proportional_height / client->proportional_width) * new_width;
310 if (new_height > rect->height)
313 /* Center the window */
314 rect->y += ceil(rect->height / 2) - floor(new_height / 2);
315 rect->x += ceil(rect->width / 2) - floor(new_width / 2);
317 rect->height = new_height;
318 rect->width = new_width;
319 LOG("new_height = %f, new_width = %d\n", new_height, new_width);
322 if (client->height_increment > 1) {
323 int old_height = rect->height;
324 rect->height -= (rect->height - client->base_height) % client->height_increment;
325 LOG("Lost %d pixel due to client's height_increment (%d px, base_height = %d)\n",
326 old_height - rect->height, client->height_increment, client->base_height);
329 if (client->width_increment > 1) {
330 int old_width = rect->width;
331 rect->width -= (rect->width - client->base_width) % client->width_increment;
332 LOG("Lost %d pixel due to client's width_increment (%d px, base_width = %d)\n",
333 old_width - rect->width, client->width_increment, client->base_width);
336 LOG("child will be at %dx%d with size %dx%d\n", rect->x, rect->y, rect->width, rect->height);
338 xcb_configure_window(conn, client->child, mask, &(rect->x));
340 /* After configuring a child window we need to fake a configure_notify_event (see ICCCM 4.2.3).
341 * This is necessary to inform the client of its position relative to the root window,
342 * not relative to its frame (as done in the configure_notify_event by the x server). */
343 fake_absolute_configure_notify(conn, client);
345 /* Force redrawing after resizing the window because any now lost
346 * pixels could contain old garbage. */
347 xcb_expose_event_t generated;
348 generated.window = client->frame;
350 handle_expose_event(NULL, conn, &generated);
354 * Renders the given container. Is called by render_layout() or individually (for example
355 * when focus changes in a stacking container)
358 void render_container(xcb_connection_t *conn, Container *container) {
360 int num_clients = 0, current_client = 0;
362 CIRCLEQ_FOREACH(client, &(container->clients), clients)
365 if (container->mode == MODE_DEFAULT) {
366 CIRCLEQ_FOREACH(client, &(container->clients), clients) {
367 /* If the client is in fullscreen mode, it does not get reconfigured */
368 if (container->workspace->fullscreen_client == client) {
373 /* Check if we changed client->x or client->y by updating it.
374 * Note the bitwise OR instead of logical OR to force evaluation of both statements */
375 if (client->force_reconfigure |
376 update_if_necessary(&(client->rect.x), container->x) |
377 update_if_necessary(&(client->rect.y), container->y +
378 (container->height / num_clients) * current_client) |
379 update_if_necessary(&(client->rect.width), container->width) |
380 update_if_necessary(&(client->rect.height), container->height / num_clients))
381 resize_client(conn, client);
383 /* TODO: vertical default layout */
385 client->force_reconfigure = false;
390 i3Font *font = load_font(conn, config.font);
391 int decoration_height = (font->height + 2 + 2);
392 struct Stack_Window *stack_win = &(container->stack_win);
393 /* The size for each tab (width), necessary as a separate variable
394 * because num_clients gets fixed to 1 in tabbed mode. */
395 int size_each = (num_clients == 0 ? container->width : container->width / num_clients);
396 int stack_lines = num_clients;
398 /* Check if we need to remap our stack title window, it gets unmapped when the container
399 is empty in src/handlers.c:unmap_notify() */
400 if (stack_win->rect.height == 0 && num_clients > 0) {
401 LOG("remapping stack win\n");
402 xcb_map_window(conn, stack_win->window);
403 } else LOG("not remapping stackwin, height = %d, num_clients = %d\n",
404 stack_win->rect.height, num_clients);
406 if (container->mode == MODE_TABBED) {
407 /* By setting num_clients to 1 we force that the stack window will be only one line
408 * high. The rest of the code is useful in both cases. */
409 LOG("tabbed mode, setting num_clients = 1\n");
414 if (container->stack_limit == STACK_LIMIT_COLS) {
415 stack_lines = ceil((float)num_clients / container->stack_limit_value);
416 } else if (container->stack_limit == STACK_LIMIT_ROWS) {
417 stack_lines = min(num_clients, container->stack_limit_value);
420 /* Check if we need to reconfigure our stack title window */
421 if (update_if_necessary(&(stack_win->rect.x), container->x) |
422 update_if_necessary(&(stack_win->rect.y), container->y) |
423 update_if_necessary(&(stack_win->rect.width), container->width) |
424 update_if_necessary(&(stack_win->rect.height), decoration_height * stack_lines)) {
426 /* Configuration can happen in two slightly different ways:
428 If there is no client in fullscreen mode, 5 parameters are passed
429 (x, y, width, height, stack mode is set to above which means top-most position).
431 If there is a fullscreen client, the fourth parameter is set to to the
432 fullscreen window as sibling and the stack mode is set to below, which means
433 that the stack_window will be placed just below the sibling, that is, under
434 the fullscreen window.
436 uint32_t values[] = { stack_win->rect.x, stack_win->rect.y,
437 stack_win->rect.width, stack_win->rect.height,
438 XCB_STACK_MODE_ABOVE, XCB_STACK_MODE_BELOW };
439 uint32_t mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
440 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
441 XCB_CONFIG_WINDOW_STACK_MODE;
443 /* Raise the stack window, but keep it below the first floating client
444 * and below the fullscreen client (if any) */
445 Client *first_floating = TAILQ_FIRST(&(container->workspace->floating_clients));
446 if (first_floating != TAILQ_END(&(container->workspace->floating_clients))) {
447 mask |= XCB_CONFIG_WINDOW_SIBLING;
448 values[4] = first_floating->frame;
449 } else if (container->workspace->fullscreen_client != NULL) {
450 mask |= XCB_CONFIG_WINDOW_SIBLING;
451 values[4] = container->workspace->fullscreen_client->frame;
454 xcb_configure_window(conn, stack_win->window, mask, values);
457 /* Prepare the pixmap for usage */
458 cached_pixmap_prepare(conn, &(stack_win->pixmap));
460 int current_row = 0, current_col = 0;
463 if (container->stack_limit == STACK_LIMIT_COLS) {
464 /* wrap stores the number of rows after which we will
465 * wrap to a new column. */
466 wrap = ceil((float)num_clients / container->stack_limit_value);
467 } else if (container->stack_limit == STACK_LIMIT_ROWS) {
468 /* When limiting rows, the wrap variable serves a
469 * slightly different purpose: it holds the number of
470 * pixels which each client will get. This is constant
471 * during the following loop, so it saves us some
472 * divisions and ceil()ing. */
473 wrap = (stack_win->rect.width / ceil((float)num_clients / container->stack_limit_value));
476 /* Render the decorations of all clients */
477 CIRCLEQ_FOREACH(client, &(container->clients), clients) {
478 /* If the client is in fullscreen mode, it does not get reconfigured */
479 if (container->workspace->fullscreen_client == client) {
484 /* Check if we changed client->x or client->y by updating it.
485 * Note the bitwise OR instead of logical OR to force evaluation of all statements */
486 if (client->force_reconfigure |
487 update_if_necessary(&(client->rect.x), container->x) |
488 update_if_necessary(&(client->rect.y), container->y + (decoration_height * stack_lines)) |
489 update_if_necessary(&(client->rect.width), container->width) |
490 update_if_necessary(&(client->rect.height), container->height - (decoration_height * stack_lines)))
491 resize_client(conn, client);
493 client->force_reconfigure = false;
497 if (container->mode == MODE_STACK ||
498 (container->mode == MODE_TABBED &&
499 container->stack_limit == STACK_LIMIT_COLS)) {
500 if (container->stack_limit == STACK_LIMIT_COLS) {
501 offset_x = current_col * (stack_win->rect.width / container->stack_limit_value);
502 offset_y = current_row * decoration_height;
504 if ((current_row % wrap) == 0) {
508 } else if (container->stack_limit == STACK_LIMIT_ROWS) {
509 offset_x = current_col * wrap;
510 offset_y = current_row * decoration_height;
512 if ((current_row % container->stack_limit_value) == 0) {
517 offset_y = current_client * decoration_height;
520 } else if (container->mode == MODE_TABBED) {
521 if (container->stack_limit == STACK_LIMIT_ROWS) {
522 LOG("You limited this container in its rows. "
523 "This makes no sense in tabbing mode.\n");
525 offset_x = current_client++ * size_each;
527 decorate_window(conn, client, stack_win->pixmap.id, stack_win->pixmap.gc,
531 /* Check if we need to fill one column because of an uneven
532 * amount of windows */
533 if (container->mode == MODE_STACK) {
534 if (container->stack_limit == STACK_LIMIT_COLS && (current_col % 2) != 0) {
535 xcb_change_gc_single(conn, stack_win->pixmap.gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
537 int offset_x = current_col * (stack_win->rect.width / container->stack_limit_value);
538 int offset_y = current_row * decoration_height;
539 xcb_rectangle_t rect = {offset_x, offset_y,
540 offset_x + container->width,
541 offset_y + decoration_height };
542 xcb_poly_fill_rectangle(conn, stack_win->pixmap.id, stack_win->pixmap.gc, 1, &rect);
543 } else if (container->stack_limit == STACK_LIMIT_ROWS && (current_row % 2) != 0) {
544 xcb_change_gc_single(conn, stack_win->pixmap.gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
546 int offset_x = current_col * wrap;
547 int offset_y = current_row * decoration_height;
548 xcb_rectangle_t rect = {offset_x, offset_y,
549 offset_x + container->width,
550 offset_y + decoration_height };
551 xcb_poly_fill_rectangle(conn, stack_win->pixmap.id, stack_win->pixmap.gc, 1, &rect);
555 xcb_copy_area(conn, stack_win->pixmap.id, stack_win->window, stack_win->pixmap.gc,
556 0, 0, 0, 0, stack_win->rect.width, stack_win->rect.height);
560 static void render_bars(xcb_connection_t *conn, Workspace *r_ws, int width, int *height) {
562 SLIST_FOREACH(client, &(r_ws->screen->dock_clients), dock_clients) {
563 LOG("client is at %d, should be at %d\n", client->rect.y, *height);
564 if (client->force_reconfigure |
565 update_if_necessary(&(client->rect.x), r_ws->rect.x) |
566 update_if_necessary(&(client->rect.y), *height))
567 reposition_client(conn, client);
569 if (client->force_reconfigure |
570 update_if_necessary(&(client->rect.width), width) |
571 update_if_necessary(&(client->rect.height), client->desired_height))
572 resize_client(conn, client);
574 client->force_reconfigure = false;
575 LOG("desired_height = %d\n", client->desired_height);
576 *height += client->desired_height;
580 static void render_internal_bar(xcb_connection_t *conn, Workspace *r_ws, int width, int height) {
581 i3Font *font = load_font(conn, config.font);
582 i3Screen *screen = r_ws->screen;
583 enum { SET_NORMAL = 0, SET_FOCUSED = 1 };
585 /* Fill the whole bar in black */
586 xcb_change_gc_single(conn, screen->bargc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
587 xcb_rectangle_t rect = {0, 0, width, height};
588 xcb_poly_fill_rectangle(conn, screen->bar, screen->bargc, 1, &rect);
591 xcb_change_gc_single(conn, screen->bargc, XCB_GC_FONT, font->id);
595 TAILQ_FOREACH(ws, workspaces, workspaces) {
596 if (ws->screen != screen)
599 struct Colortriple *color;
601 if (screen->current_workspace == ws)
602 color = &(config.bar.focused);
604 color = &(config.bar.urgent);
605 else color = &(config.bar.unfocused);
607 /* Draw the outer rect */
608 xcb_draw_rect(conn, screen->bar, screen->bargc, color->border,
611 ws->text_width + 5 + 5, /* width = text width + 5 px left + 5px right */
612 height - 2 /* height = max. height - 1 px upper and 1 px bottom border */);
614 /* Draw the background of this rect */
615 xcb_draw_rect(conn, screen->bar, screen->bargc, color->background,
618 ws->text_width + 4 + 4,
621 xcb_change_gc_single(conn, screen->bargc, XCB_GC_FOREGROUND, color->text);
622 xcb_change_gc_single(conn, screen->bargc, XCB_GC_BACKGROUND, color->background);
623 xcb_image_text_16(conn, ws->name_len, screen->bar, screen->bargc, drawn + 5 /* X */,
624 font->height + 1 /* Y = baseline of font */,
625 (xcb_char2b_t*)ws->name);
626 drawn += ws->text_width + 12;
631 * Modifies the event mask of all clients on the given workspace to either ignore or to handle
632 * enter notifies. It is handy to ignore notifies because they will be sent when a window is mapped
633 * under the cursor, thus when the user didn’t enter the window actively at all.
636 void ignore_enter_notify_forall(xcb_connection_t *conn, Workspace *workspace, bool ignore_enter_notify) {
640 FOR_TABLE(workspace) {
641 if (workspace->table[cols][rows] == NULL)
644 CIRCLEQ_FOREACH(client, &(workspace->table[cols][rows]->clients), clients) {
645 /* Change event mask for the decorations */
646 values[0] = FRAME_EVENT_MASK;
647 if (ignore_enter_notify)
648 values[0] &= ~(XCB_EVENT_MASK_ENTER_WINDOW);
649 xcb_change_window_attributes(conn, client->frame, XCB_CW_EVENT_MASK, values);
651 /* Change event mask for the child itself */
652 values[0] = CHILD_EVENT_MASK;
653 if (ignore_enter_notify)
654 values[0] &= ~(XCB_EVENT_MASK_ENTER_WINDOW);
655 xcb_change_window_attributes(conn, client->child, XCB_CW_EVENT_MASK, values);
661 * Renders the given workspace on the given screen
664 void render_workspace(xcb_connection_t *conn, i3Screen *screen, Workspace *r_ws) {
665 i3Font *font = load_font(conn, config.font);
666 int width = r_ws->rect.width;
667 int height = r_ws->rect.height;
669 /* Reserve space for dock clients */
671 SLIST_FOREACH(client, &(screen->dock_clients), dock_clients)
672 height -= client->desired_height;
674 /* Space for the internal bar */
675 height -= (font->height + 6);
677 int xoffset[r_ws->rows];
678 int yoffset[r_ws->cols];
679 /* Initialize offsets */
680 for (int cols = 0; cols < r_ws->cols; cols++)
681 yoffset[cols] = r_ws->rect.y;
682 for (int rows = 0; rows < r_ws->rows; rows++)
683 xoffset[rows] = r_ws->rect.x;
685 ignore_enter_notify_forall(conn, r_ws, true);
687 /* Go through the whole table and render what’s necessary */
689 Container *container = r_ws->table[cols][rows];
690 if (container == NULL)
692 int single_width = -1, single_height = -1;
693 /* Update position of the container */
694 container->row = rows;
695 container->col = cols;
696 container->x = xoffset[rows];
697 container->y = yoffset[cols];
698 container->width = 0;
700 for (int c = 0; c < container->colspan; c++) {
701 if (r_ws->width_factor[cols+c] == 0)
702 container->width += (width / r_ws->cols);
703 else container->width += get_unoccupied_x(r_ws) * r_ws->width_factor[cols+c];
705 if (single_width == -1)
706 single_width = container->width;
709 LOG("height is %d\n", height);
711 container->height = 0;
713 for (int c = 0; c < container->rowspan; c++) {
714 if (r_ws->height_factor[rows+c] == 0)
715 container->height += (height / r_ws->rows);
716 else container->height += get_unoccupied_y(r_ws) * r_ws->height_factor[rows+c];
718 if (single_height == -1)
719 single_height = container->height;
722 /* Render the container if it is not empty */
723 render_container(conn, container);
725 xoffset[rows] += single_width;
726 yoffset[cols] += single_height;
729 ignore_enter_notify_forall(conn, r_ws, false);
731 render_bars(conn, r_ws, width, &height);
732 render_internal_bar(conn, r_ws, width, font->height + 6);
736 * Renders the whole layout, that is: Go through each screen, each workspace, each container
737 * and render each client. This also renders the bars.
739 * If you don’t need to render *everything*, you should call render_container on the container
740 * you want to refresh.
743 void render_layout(xcb_connection_t *conn) {
746 if (virtual_screens == NULL)
749 TAILQ_FOREACH(screen, virtual_screens, screens)
750 if (screen->current_workspace != NULL)
751 render_workspace(conn, screen, screen->current_workspace);