4 * i3 - an improved dynamic tiling window manager
6 * © 2009-2010 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"
32 #include "container.h"
35 * Gets the unoccupied space (= space which is available for windows which were resized by the user)
36 * for the given row. This is necessary to render both, customly resized windows and never touched
37 * windows correctly, meaning that the aspect ratio will be maintained when opening new windows.
40 int get_unoccupied_x(Workspace *workspace) {
41 double unoccupied = workspace->rect.width;
42 double default_factor = ((float)workspace->rect.width / workspace->cols) / workspace->rect.width;
44 DLOG("get_unoccupied_x(), starting with %f, default_factor = %f\n", unoccupied, default_factor);
46 for (int cols = 0; cols < workspace->cols; cols++) {
47 DLOG("width_factor[%d] = %f, unoccupied = %f\n", cols, workspace->width_factor[cols], unoccupied);
49 if (workspace->width_factor[cols] == 0)
50 unoccupied -= workspace->rect.width * default_factor;
53 DLOG("unoccupied space: %f\n", unoccupied);
57 /* See get_unoccupied_x() */
58 int get_unoccupied_y(Workspace *workspace) {
59 int height = workspace_height(workspace);
60 double unoccupied = height;
61 double default_factor = ((float)height / workspace->rows) / height;
63 DLOG("get_unoccupied_y(), starting with %f, default_factor = %f\n", unoccupied, default_factor);
65 for (int rows = 0; rows < workspace->rows; rows++) {
66 DLOG("height_factor[%d] = %f, unoccupied = %f\n", rows, workspace->height_factor[rows], unoccupied);
67 if (workspace->height_factor[rows] == 0)
68 unoccupied -= height * default_factor;
71 DLOG("unoccupied space: %f\n", unoccupied);
76 * Redecorates the given client correctly by checking if it’s in a stacking container and
77 * re-rendering the stack window or just calling decorate_window if it’s not in a stacking
81 void redecorate_window(xcb_connection_t *conn, Client *client) {
82 if (client->container != NULL &&
83 (client->container->mode == MODE_STACK ||
84 client->container->mode == MODE_TABBED)) {
85 render_container(conn, client->container);
86 /* We clear the frame to generate exposure events, because the color used
87 in drawing may be different */
88 xcb_clear_area(conn, true, client->frame, 0, 0, client->rect.width, client->rect.height);
89 } else decorate_window(conn, client, client->frame, client->titlegc, 0, 0);
94 * (Re-)draws window decorations for a given Client onto the given drawable/graphic context.
95 * When in stacking mode, the window decorations are drawn onto an own window.
98 void decorate_window(xcb_connection_t *conn, Client *client, xcb_drawable_t drawable,
99 xcb_gcontext_t gc, int offset_x, int offset_y) {
100 i3Font *font = load_font(conn, config.font);
101 int decoration_height = font->height + 2 + 2;
102 struct Colortriple *color;
103 Client *last_focused;
105 /* Clients without a container (docks) won’t get decorated */
109 last_focused = SLIST_FIRST(&(client->workspace->focus_stack));
110 /* Is the window urgent? */
112 color = &(config.client.urgent);
114 if (client_is_floating(client)) {
115 if (last_focused == client)
116 color = &(config.client.focused);
117 else color = &(config.client.unfocused);
119 if (client->container->currently_focused == client) {
120 /* Distinguish if the window is currently focused… */
121 if (last_focused == client && c_ws == client->workspace)
122 color = &(config.client.focused);
123 /* …or if it is the focused window in a not focused container */
124 else color = &(config.client.focused_inactive);
125 } else color = &(config.client.unfocused);
129 /* Our plan is the following:
130 - Draw a rect around the whole client in color->background
131 - Draw two lines in a lighter color
132 - Draw the window’s title
134 int mode = container_mode(client->container, true);
136 /* Draw a rectangle in background color around the window */
137 if (client->borderless && mode == MODE_DEFAULT)
138 xcb_change_gc_single(conn, gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
139 else xcb_change_gc_single(conn, gc, XCB_GC_FOREGROUND, color->background);
141 /* In stacking mode, we only render the rect for this specific decoration */
142 if (mode == MODE_STACK || mode == MODE_TABBED) {
143 /* We need to use the container’s width because it is the more recent value - when
144 in stacking mode, clients get reconfigured only on demand (the not active client
145 is not reconfigured), so the client’s rect.width would be wrong */
146 xcb_rectangle_t rect = {offset_x, offset_y,
147 offset_x + client->container->width,
148 offset_y + decoration_height };
149 xcb_poly_fill_rectangle(conn, drawable, gc, 1, &rect);
151 xcb_rectangle_t rect = {0, 0, client->rect.width, client->rect.height};
152 xcb_poly_fill_rectangle(conn, drawable, gc, 1, &rect);
154 /* Draw the inner background to have a black frame around clients (such as mplayer)
155 which cannot be resized exactly in our frames and therefore are centered */
156 xcb_change_gc_single(conn, client->titlegc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
157 if (client->titlebar_position == TITLEBAR_OFF && client->borderless) {
158 xcb_rectangle_t crect = {0, 0, client->rect.width, client->rect.height};
159 xcb_poly_fill_rectangle(conn, client->frame, client->titlegc, 1, &crect);
160 } else if (client->titlebar_position == TITLEBAR_OFF && !client->borderless) {
161 xcb_rectangle_t crect = {1, 1, client->rect.width - (1 + 1), client->rect.height - (1 + 1)};
162 xcb_poly_fill_rectangle(conn, client->frame, client->titlegc, 1, &crect);
164 xcb_rectangle_t crect = {2, decoration_height,
165 client->rect.width - (2 + 2), client->rect.height - 2 - decoration_height};
166 xcb_poly_fill_rectangle(conn, client->frame, client->titlegc, 1, &crect);
170 mode = container_mode(client->container, false);
172 if (client->titlebar_position != TITLEBAR_OFF) {
174 xcb_draw_line(conn, drawable, gc, color->border, offset_x, offset_y, offset_x + client->rect.width, offset_y);
175 xcb_draw_line(conn, drawable, gc, color->border,
176 offset_x + 2, /* x */
177 offset_y + font->height + 3, /* y */
178 offset_x + client->rect.width - 3, /* to_x */
179 offset_y + font->height + 3 /* to_y */);
182 /* If the client has a title, we draw it */
183 if (client->name != NULL &&
184 (mode != MODE_DEFAULT || client->titlebar_position != TITLEBAR_OFF)) {
186 uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT;
187 uint32_t values[] = { color->text, color->background, font->id };
188 xcb_change_gc(conn, gc, mask, values);
190 /* name_len == -1 means this is a legacy application which does not specify _NET_WM_NAME,
191 and we don’t handle the old window name (COMPOUND_TEXT) but only _NET_WM_NAME, which
193 if (client->name_len == -1)
194 xcb_image_text_8(conn, strlen(client->name), drawable, gc, offset_x + 3 /* X */,
195 offset_y + font->height /* Y = baseline of font */, client->name);
197 xcb_image_text_16(conn, client->name_len, drawable, gc, offset_x + 3 /* X */,
198 offset_y + font->height /* Y = baseline of font */, (xcb_char2b_t*)client->name);
203 * Pushes the client’s x and y coordinates to X11
206 void reposition_client(xcb_connection_t *conn, Client *client) {
209 DLOG("frame 0x%08x needs to be pushed to %dx%d\n", client->frame, client->rect.x, client->rect.y);
210 /* Note: We can use a pointer to client->x like an array of uint32_ts
211 because it is followed by client->y by definition */
212 xcb_configure_window(conn, client->frame, XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y, &(client->rect.x));
214 if (!client_is_floating(client))
217 /* If the client is floating, we need to check if we moved it to a different workspace */
218 output = get_output_containing(client->rect.x + (client->rect.width / 2),
219 client->rect.y + (client->rect.height / 2));
220 if (client->workspace->output == output)
223 if (output == NULL) {
224 DLOG("Boundary checking disabled, no output found for (%d, %d)\n", client->rect.x, client->rect.y);
228 DLOG("Client is on workspace %p with output %p\n", client->workspace, client->workspace->output);
229 DLOG("but output at %d, %d is %p\n", client->rect.x, client->rect.y, output);
230 floating_assign_to_workspace(client, output->current_workspace);
232 set_focus(conn, client, true);
236 * Pushes the client’s width/height to X11 and resizes the child window. This
237 * function also updates the client’s position, so if you work on tiling clients
238 * only, you can use this function instead of separate calls to reposition_client
239 * and resize_client to reduce flickering.
242 void resize_client(xcb_connection_t *conn, Client *client) {
243 i3Font *font = load_font(conn, config.font);
245 DLOG("frame 0x%08x needs to be pushed to %dx%d\n", client->frame, client->rect.x, client->rect.y);
246 DLOG("resizing client 0x%08x to %d x %d\n", client->frame, client->rect.width, client->rect.height);
247 xcb_set_window_rect(conn, client->frame, client->rect);
249 /* Adjust the position of the child inside its frame.
250 * The coordinates of the child are relative to its frame, we
251 * add a border of 2 pixel to each value */
252 Rect *rect = &(client->child_rect);
253 switch (container_mode(client->container, true)) {
258 rect->width = client->rect.width - (2 + 2);
259 rect->height = client->rect.height - 2;
262 if (client->titlebar_position == TITLEBAR_OFF && client->borderless) {
265 rect->width = client->rect.width;
266 rect->height = client->rect.height;
267 } else if (client->titlebar_position == TITLEBAR_OFF && !client->borderless) {
270 rect->width = client->rect.width - 1 - 1;
271 rect->height = client->rect.height - 1 - 1;
274 rect->y = font->height + 2 + 2;
275 rect->width = client->rect.width - (2 + 2);
276 rect->height = client->rect.height - ((font->height + 2 + 2) + 2);
281 rect->width -= (2 * client->border_width);
282 rect->height -= (2 * client->border_width);
284 /* Obey the ratio, if any */
285 if (client->proportional_height != 0 &&
286 client->proportional_width != 0) {
287 DLOG("proportional height = %d, width = %d\n", client->proportional_height, client->proportional_width);
288 double new_height = rect->height + 1;
289 int new_width = rect->width;
291 while (new_height > rect->height) {
292 new_height = ((double)client->proportional_height / client->proportional_width) * new_width;
294 if (new_height > rect->height)
297 /* Center the window */
298 rect->y += ceil(rect->height / 2) - floor(new_height / 2);
299 rect->x += ceil(rect->width / 2) - floor(new_width / 2);
301 rect->height = new_height;
302 rect->width = new_width;
303 DLOG("new_height = %f, new_width = %d\n", new_height, new_width);
306 if (client->height_increment > 1) {
307 int old_height = rect->height;
308 rect->height -= (rect->height - client->base_height) % client->height_increment;
309 DLOG("Lost %d pixel due to client's height_increment (%d px, base_height = %d)\n",
310 old_height - rect->height, client->height_increment, client->base_height);
313 if (client->width_increment > 1) {
314 int old_width = rect->width;
315 rect->width -= (rect->width - client->base_width) % client->width_increment;
316 DLOG("Lost %d pixel due to client's width_increment (%d px, base_width = %d)\n",
317 old_width - rect->width, client->width_increment, client->base_width);
320 DLOG("child will be at %dx%d with size %dx%d\n", rect->x, rect->y, rect->width, rect->height);
322 xcb_set_window_rect(conn, client->child, *rect);
324 /* After configuring a child window we need to fake a configure_notify_event (see ICCCM 4.2.3).
325 * This is necessary to inform the client of its position relative to the root window,
326 * not relative to its frame (as done in the configure_notify_event by the x server). */
327 fake_absolute_configure_notify(conn, client);
329 /* Force redrawing after resizing the window because any now lost
330 * pixels could contain old garbage. */
331 xcb_expose_event_t generated;
332 generated.window = client->frame;
334 handle_expose_event(NULL, conn, &generated);
338 * Renders the given container. Is called by render_layout() or individually (for example
339 * when focus changes in a stacking container)
342 void render_container(xcb_connection_t *conn, Container *container) {
344 int num_clients = 0, current_client = 0;
346 CIRCLEQ_FOREACH(client, &(container->clients), clients)
349 if (container->mode == MODE_DEFAULT) {
350 int height = (container->height / max(1, num_clients));
351 int rest_pixels = (container->height % max(1, num_clients));
352 DLOG("height per client = %d, rest = %d\n", height, rest_pixels);
354 CIRCLEQ_FOREACH(client, &(container->clients), clients) {
355 /* If the client is in fullscreen mode, it does not get reconfigured */
356 if (container->workspace->fullscreen_client == client) {
361 /* If we have some pixels left to distribute, add one
362 * pixel to each client as long as possible. */
363 int this_height = height;
364 if (rest_pixels > 0) {
368 /* Check if we changed client->x or client->y by updating it.
369 * Note the bitwise OR instead of logical OR to force evaluation of both statements */
370 if (client->force_reconfigure |
371 update_if_necessary(&(client->rect.x), container->x) |
372 update_if_necessary(&(client->rect.y), container->y +
373 (container->height / num_clients) * current_client) |
374 update_if_necessary(&(client->rect.width), container->width) |
375 update_if_necessary(&(client->rect.height), this_height))
376 resize_client(conn, client);
378 /* TODO: vertical default layout */
380 client->force_reconfigure = false;
385 i3Font *font = load_font(conn, config.font);
386 int decoration_height = (font->height + 2 + 2);
387 struct Stack_Window *stack_win = &(container->stack_win);
388 /* The size for each tab (width), necessary as a separate variable
389 * because num_clients gets fixed to 1 in tabbed mode. */
390 int size_each = (num_clients == 0 ? container->width : container->width / num_clients);
391 int stack_lines = num_clients;
393 /* Check if we need to remap our stack title window, it gets unmapped when the container
394 is empty in src/handlers.c:unmap_notify() */
395 if (stack_win->rect.height == 0 && num_clients > 1) {
396 DLOG("remapping stack win\n");
397 xcb_map_window(conn, stack_win->window);
398 } else DLOG("not remapping stackwin, height = %d, num_clients = %d\n",
399 stack_win->rect.height, num_clients);
401 if (container->mode == MODE_TABBED) {
402 /* By setting num_clients to 1 we force that the stack window will be only one line
403 * high. The rest of the code is useful in both cases. */
404 DLOG("tabbed mode, setting num_clients = 1\n");
409 if (container->stack_limit == STACK_LIMIT_COLS) {
410 stack_lines = ceil((float)num_clients / container->stack_limit_value);
411 } else if (container->stack_limit == STACK_LIMIT_ROWS) {
412 stack_lines = min(num_clients, container->stack_limit_value);
415 int height = decoration_height * stack_lines;
416 if (num_clients == 1) {
418 stack_win->rect.height = 0;
419 xcb_unmap_window(conn, stack_win->window);
421 DLOG("Just one client, setting height to %d\n", height);
424 /* Check if we need to reconfigure our stack title window */
426 update_if_necessary(&(stack_win->rect.x), container->x) |
427 update_if_necessary(&(stack_win->rect.y), container->y) |
428 update_if_necessary(&(stack_win->rect.width), container->width) |
429 update_if_necessary(&(stack_win->rect.height), height))) {
431 /* Configuration can happen in two slightly different ways:
433 If there is no client in fullscreen mode, 5 parameters are passed
434 (x, y, width, height, stack mode is set to above which means top-most position).
436 If there is a fullscreen client, the fourth parameter is set to to the
437 fullscreen window as sibling and the stack mode is set to below, which means
438 that the stack_window will be placed just below the sibling, that is, under
439 the fullscreen window.
441 uint32_t values[] = { stack_win->rect.x, stack_win->rect.y,
442 stack_win->rect.width, stack_win->rect.height,
443 XCB_STACK_MODE_ABOVE, XCB_STACK_MODE_BELOW };
444 uint32_t mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
445 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
446 XCB_CONFIG_WINDOW_STACK_MODE;
448 /* Raise the stack window, but keep it below the first floating client
449 * and below the fullscreen client (if any) */
450 Client *first_floating = TAILQ_FIRST(&(container->workspace->floating_clients));
451 if (first_floating != TAILQ_END(&(container->workspace->floating_clients))) {
452 mask |= XCB_CONFIG_WINDOW_SIBLING;
453 values[4] = first_floating->frame;
454 } else if (container->workspace->fullscreen_client != NULL) {
455 mask |= XCB_CONFIG_WINDOW_SIBLING;
456 values[4] = container->workspace->fullscreen_client->frame;
459 xcb_configure_window(conn, stack_win->window, mask, values);
462 /* Prepare the pixmap for usage */
464 cached_pixmap_prepare(conn, &(stack_win->pixmap));
466 int current_row = 0, current_col = 0;
469 if (container->stack_limit == STACK_LIMIT_COLS) {
470 /* wrap stores the number of rows after which we will
471 * wrap to a new column. */
472 wrap = ceil((float)num_clients / container->stack_limit_value);
473 } else if (container->stack_limit == STACK_LIMIT_ROWS) {
474 /* When limiting rows, the wrap variable serves a
475 * slightly different purpose: it holds the number of
476 * pixels which each client will get. This is constant
477 * during the following loop, so it saves us some
478 * divisions and ceil()ing. */
479 wrap = (stack_win->rect.width / ceil((float)num_clients / container->stack_limit_value));
482 /* Render the decorations of all clients */
483 CIRCLEQ_FOREACH(client, &(container->clients), clients) {
484 /* If the client is in fullscreen mode, it does not get reconfigured */
485 if (container->workspace->fullscreen_client == client) {
490 /* Check if we changed client->x or client->y by updating it.
491 * Note the bitwise OR instead of logical OR to force evaluation of all statements */
492 if (client->force_reconfigure |
493 update_if_necessary(&(client->rect.x), container->x) |
494 update_if_necessary(&(client->rect.y), container->y + height) |
495 update_if_necessary(&(client->rect.width), container->width) |
496 update_if_necessary(&(client->rect.height), container->height - height))
497 resize_client(conn, client);
499 client->force_reconfigure = false;
503 if (container->mode == MODE_STACK ||
504 (container->mode == MODE_TABBED &&
505 container->stack_limit == STACK_LIMIT_COLS)) {
506 if (container->stack_limit == STACK_LIMIT_COLS) {
507 offset_x = current_col * (stack_win->rect.width / container->stack_limit_value);
508 offset_y = current_row * decoration_height;
510 if ((current_row % wrap) == 0) {
514 } else if (container->stack_limit == STACK_LIMIT_ROWS) {
515 offset_x = current_col * wrap;
516 offset_y = current_row * decoration_height;
518 if ((current_row % container->stack_limit_value) == 0) {
523 offset_y = current_client * decoration_height;
526 } else if (container->mode == MODE_TABBED) {
527 if (container->stack_limit == STACK_LIMIT_ROWS) {
528 LOG("You limited a tabbed container in its rows. "
529 "This makes no sense in tabbing mode.\n");
531 offset_x = current_client++ * size_each;
533 if (stack_win->pixmap.id == XCB_NONE)
535 decorate_window(conn, client, stack_win->pixmap.id,
536 stack_win->pixmap.gc, offset_x, offset_y);
539 /* Check if we need to fill one column because of an uneven
540 * amount of windows */
541 if (container->mode == MODE_STACK) {
542 if (container->stack_limit == STACK_LIMIT_COLS && (current_col % 2) != 0) {
543 xcb_change_gc_single(conn, stack_win->pixmap.gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
545 int offset_x = current_col * (stack_win->rect.width / container->stack_limit_value);
546 int offset_y = current_row * decoration_height;
547 xcb_rectangle_t rect = {offset_x, offset_y,
548 offset_x + container->width,
549 offset_y + decoration_height };
550 xcb_poly_fill_rectangle(conn, stack_win->pixmap.id, stack_win->pixmap.gc, 1, &rect);
551 } else if (container->stack_limit == STACK_LIMIT_ROWS && (current_row % 2) != 0) {
552 xcb_change_gc_single(conn, stack_win->pixmap.gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
554 int offset_x = current_col * wrap;
555 int offset_y = current_row * decoration_height;
556 xcb_rectangle_t rect = {offset_x, offset_y,
557 offset_x + container->width,
558 offset_y + decoration_height };
559 xcb_poly_fill_rectangle(conn, stack_win->pixmap.id, stack_win->pixmap.gc, 1, &rect);
563 if (stack_win->pixmap.id == XCB_NONE)
565 xcb_copy_area(conn, stack_win->pixmap.id, stack_win->window, stack_win->pixmap.gc,
566 0, 0, 0, 0, stack_win->rect.width, stack_win->rect.height);
570 static void render_bars(xcb_connection_t *conn, Workspace *r_ws, int width, int *height) {
572 SLIST_FOREACH(client, &(r_ws->output->dock_clients), dock_clients) {
573 DLOG("client is at %d, should be at %d\n", client->rect.y, *height);
574 if (client->force_reconfigure |
575 update_if_necessary(&(client->rect.x), r_ws->rect.x) |
576 update_if_necessary(&(client->rect.y), *height))
577 reposition_client(conn, client);
579 if (client->force_reconfigure |
580 update_if_necessary(&(client->rect.width), width) |
581 update_if_necessary(&(client->rect.height), client->desired_height))
582 resize_client(conn, client);
584 client->force_reconfigure = false;
585 DLOG("desired_height = %d\n", client->desired_height);
586 *height += client->desired_height;
590 static void render_internal_bar(xcb_connection_t *conn, Workspace *r_ws, int width, int height) {
591 i3Font *font = load_font(conn, config.font);
592 Output *output = r_ws->output;
593 enum { SET_NORMAL = 0, SET_FOCUSED = 1 };
595 /* Fill the whole bar in black */
596 xcb_change_gc_single(conn, output->bargc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
597 xcb_rectangle_t rect = {0, 0, width, height};
598 xcb_poly_fill_rectangle(conn, output->bar, output->bargc, 1, &rect);
601 xcb_change_gc_single(conn, output->bargc, XCB_GC_FONT, font->id);
605 TAILQ_FOREACH(ws, workspaces, workspaces) {
606 if (ws->output != output)
609 struct Colortriple *color;
611 if (output->current_workspace == ws)
612 color = &(config.bar.focused);
614 color = &(config.bar.urgent);
615 else color = &(config.bar.unfocused);
617 /* Draw the outer rect */
618 xcb_draw_rect(conn, output->bar, output->bargc, color->border,
621 ws->text_width + 5 + 5, /* width = text width + 5 px left + 5px right */
622 height - 2 /* height = max. height - 1 px upper and 1 px bottom border */);
624 /* Draw the background of this rect */
625 xcb_draw_rect(conn, output->bar, output->bargc, color->background,
628 ws->text_width + 4 + 4,
631 xcb_change_gc_single(conn, output->bargc, XCB_GC_FOREGROUND, color->text);
632 xcb_change_gc_single(conn, output->bargc, XCB_GC_BACKGROUND, color->background);
633 xcb_image_text_16(conn, ws->name_len, output->bar, output->bargc, drawn + 5 /* X */,
634 font->height + 1 /* Y = baseline of font */,
635 (xcb_char2b_t*)ws->name);
636 drawn += ws->text_width + 12;
641 * Modifies the event mask of all clients on the given workspace to either ignore or to handle
642 * enter notifies. It is handy to ignore notifies because they will be sent when a window is mapped
643 * under the cursor, thus when the user didn’t enter the window actively at all.
646 void ignore_enter_notify_forall(xcb_connection_t *conn, Workspace *workspace, bool ignore_enter_notify) {
650 FOR_TABLE(workspace) {
651 if (workspace->table[cols][rows] == NULL)
654 CIRCLEQ_FOREACH(client, &(workspace->table[cols][rows]->clients), clients) {
655 /* Change event mask for the decorations */
656 values[0] = FRAME_EVENT_MASK;
657 if (ignore_enter_notify)
658 values[0] &= ~(XCB_EVENT_MASK_ENTER_WINDOW);
659 xcb_change_window_attributes(conn, client->frame, XCB_CW_EVENT_MASK, values);
661 /* Change event mask for the child itself */
662 values[0] = CHILD_EVENT_MASK;
663 if (ignore_enter_notify)
664 values[0] &= ~(XCB_EVENT_MASK_ENTER_WINDOW);
665 xcb_change_window_attributes(conn, client->child, XCB_CW_EVENT_MASK, values);
671 * Renders the given workspace on the given screen
674 void render_workspace(xcb_connection_t *conn, Output *output, Workspace *r_ws) {
675 i3Font *font = load_font(conn, config.font);
676 int width = r_ws->rect.width;
677 int height = r_ws->rect.height;
679 /* Reserve space for dock clients */
681 SLIST_FOREACH(client, &(output->dock_clients), dock_clients)
682 height -= client->desired_height;
684 /* Space for the internal bar */
685 if (!config.disable_workspace_bar)
686 height -= (font->height + 6);
688 int xoffset[r_ws->rows];
689 int yoffset[r_ws->cols];
690 /* Initialize offsets */
691 for (int cols = 0; cols < r_ws->cols; cols++)
692 yoffset[cols] = r_ws->rect.y;
693 for (int rows = 0; rows < r_ws->rows; rows++)
694 xoffset[rows] = r_ws->rect.x;
696 ignore_enter_notify_forall(conn, r_ws, true);
698 /* Go through the whole table and render what’s necessary */
700 Container *container = r_ws->table[cols][rows];
701 if (container == NULL)
703 int single_width = -1, single_height = -1;
704 /* Update position of the container */
705 container->row = rows;
706 container->col = cols;
707 container->x = xoffset[rows];
708 container->y = yoffset[cols];
709 container->width = 0;
711 for (int c = 0; c < container->colspan; c++) {
712 if (r_ws->width_factor[cols+c] == 0)
713 container->width += (width / r_ws->cols);
714 else container->width += get_unoccupied_x(r_ws) * r_ws->width_factor[cols+c];
716 if (single_width == -1)
717 single_width = container->width;
720 DLOG("height is %d\n", height);
722 container->height = 0;
724 for (int c = 0; c < container->rowspan; c++) {
725 if (r_ws->height_factor[rows+c] == 0)
726 container->height += (height / r_ws->rows);
727 else container->height += get_unoccupied_y(r_ws) * r_ws->height_factor[rows+c];
729 if (single_height == -1)
730 single_height = container->height;
733 /* Render the container if it is not empty */
734 render_container(conn, container);
736 xoffset[rows] += single_width;
737 yoffset[cols] += single_height;
740 ignore_enter_notify_forall(conn, r_ws, false);
742 render_bars(conn, r_ws, width, &height);
743 if (!config.disable_workspace_bar)
744 render_internal_bar(conn, r_ws, width, font->height + 6);
748 * Renders the whole layout, that is: Go through each screen, each workspace, each container
749 * and render each client. This also renders the bars.
751 * If you don’t need to render *everything*, you should call render_container on the container
752 * you want to refresh.
755 void render_layout(xcb_connection_t *conn) {
758 TAILQ_FOREACH(output, &outputs, outputs)
759 if (output->current_workspace != NULL)
760 render_workspace(conn, output, output->current_workspace);