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 if (output->current_workspace == NULL) {
229 DLOG("Boundary checking deferred, no current workspace on output\n");
230 client->force_reconfigure = true;
234 DLOG("Client is on workspace %p with output %p\n", client->workspace, client->workspace->output);
235 DLOG("but output at %d, %d is %p\n", client->rect.x, client->rect.y, output);
236 floating_assign_to_workspace(client, output->current_workspace);
238 set_focus(conn, client, true);
242 * Pushes the client’s width/height to X11 and resizes the child window. This
243 * function also updates the client’s position, so if you work on tiling clients
244 * only, you can use this function instead of separate calls to reposition_client
245 * and resize_client to reduce flickering.
248 void resize_client(xcb_connection_t *conn, Client *client) {
249 i3Font *font = load_font(conn, config.font);
251 DLOG("frame 0x%08x needs to be pushed to %dx%d\n", client->frame, client->rect.x, client->rect.y);
252 DLOG("resizing client 0x%08x to %d x %d\n", client->frame, client->rect.width, client->rect.height);
253 xcb_set_window_rect(conn, client->frame, client->rect);
255 /* Adjust the position of the child inside its frame.
256 * The coordinates of the child are relative to its frame, we
257 * add a border of 2 pixel to each value */
258 Rect *rect = &(client->child_rect);
259 switch (container_mode(client->container, true)) {
264 rect->width = client->rect.width - (2 + 2);
265 rect->height = client->rect.height - 2;
268 if (client->titlebar_position == TITLEBAR_OFF && client->borderless) {
271 rect->width = client->rect.width;
272 rect->height = client->rect.height;
273 } else if (client->titlebar_position == TITLEBAR_OFF && !client->borderless) {
276 rect->width = client->rect.width - 1 - 1;
277 rect->height = client->rect.height - 1 - 1;
280 rect->y = font->height + 2 + 2;
281 rect->width = client->rect.width - (2 + 2);
282 rect->height = client->rect.height - ((font->height + 2 + 2) + 2);
287 rect->width -= (2 * client->border_width);
288 rect->height -= (2 * client->border_width);
290 /* Obey the ratio, if any */
291 if (client->proportional_height != 0 &&
292 client->proportional_width != 0) {
293 DLOG("proportional height = %d, width = %d\n", client->proportional_height, client->proportional_width);
294 double new_height = rect->height + 1;
295 int new_width = rect->width;
297 while (new_height > rect->height) {
298 new_height = ((double)client->proportional_height / client->proportional_width) * new_width;
300 if (new_height > rect->height)
303 /* Center the window */
304 rect->y += ceil(rect->height / 2) - floor(new_height / 2);
305 rect->x += ceil(rect->width / 2) - floor(new_width / 2);
307 rect->height = new_height;
308 rect->width = new_width;
309 DLOG("new_height = %f, new_width = %d\n", new_height, new_width);
312 if (client->height_increment > 1) {
313 int old_height = rect->height;
314 rect->height -= (rect->height - client->base_height) % client->height_increment;
315 DLOG("Lost %d pixel due to client's height_increment (%d px, base_height = %d)\n",
316 old_height - rect->height, client->height_increment, client->base_height);
319 if (client->width_increment > 1) {
320 int old_width = rect->width;
321 rect->width -= (rect->width - client->base_width) % client->width_increment;
322 DLOG("Lost %d pixel due to client's width_increment (%d px, base_width = %d)\n",
323 old_width - rect->width, client->width_increment, client->base_width);
326 DLOG("child will be at %dx%d with size %dx%d\n", rect->x, rect->y, rect->width, rect->height);
328 xcb_set_window_rect(conn, client->child, *rect);
330 /* After configuring a child window we need to fake a configure_notify_event (see ICCCM 4.2.3).
331 * This is necessary to inform the client of its position relative to the root window,
332 * not relative to its frame (as done in the configure_notify_event by the x server). */
333 fake_absolute_configure_notify(conn, client);
335 /* Force redrawing after resizing the window because any now lost
336 * pixels could contain old garbage. */
337 xcb_expose_event_t generated;
338 generated.window = client->frame;
340 handle_expose_event(NULL, conn, &generated);
344 * Renders the given container. Is called by render_layout() or individually (for example
345 * when focus changes in a stacking container)
348 void render_container(xcb_connection_t *conn, Container *container) {
350 int num_clients = 0, current_client = 0;
352 CIRCLEQ_FOREACH(client, &(container->clients), clients)
355 if (container->mode == MODE_DEFAULT) {
356 int height = (container->height / max(1, num_clients));
357 int rest_pixels = (container->height % max(1, num_clients));
358 DLOG("height per client = %d, rest = %d\n", height, rest_pixels);
360 CIRCLEQ_FOREACH(client, &(container->clients), clients) {
361 /* If the client is in fullscreen mode, it does not get reconfigured */
362 if (container->workspace->fullscreen_client == client) {
367 /* If we have some pixels left to distribute, add one
368 * pixel to each client as long as possible. */
369 int this_height = height;
370 if (rest_pixels > 0) {
374 /* Check if we changed client->x or client->y by updating it.
375 * Note the bitwise OR instead of logical OR to force evaluation of both statements */
376 if (client->force_reconfigure |
377 update_if_necessary(&(client->rect.x), container->x) |
378 update_if_necessary(&(client->rect.y), container->y +
379 (container->height / num_clients) * current_client) |
380 update_if_necessary(&(client->rect.width), container->width) |
381 update_if_necessary(&(client->rect.height), this_height))
382 resize_client(conn, client);
384 /* TODO: vertical default layout */
386 client->force_reconfigure = false;
391 i3Font *font = load_font(conn, config.font);
392 int decoration_height = (font->height + 2 + 2);
393 struct Stack_Window *stack_win = &(container->stack_win);
394 /* The size for each tab (width), necessary as a separate variable
395 * because num_clients gets fixed to 1 in tabbed mode. */
396 int size_each = (num_clients == 0 ? container->width : container->width / num_clients);
397 int stack_lines = num_clients;
399 /* Check if we need to remap our stack title window, it gets unmapped when the container
400 is empty in src/handlers.c:unmap_notify() */
401 if (stack_win->rect.height == 0 && num_clients > 1) {
402 DLOG("remapping stack win\n");
403 xcb_map_window(conn, stack_win->window);
404 } else DLOG("not remapping stackwin, height = %d, num_clients = %d\n",
405 stack_win->rect.height, num_clients);
407 if (container->mode == MODE_TABBED) {
408 /* By setting num_clients to 1 we force that the stack window will be only one line
409 * high. The rest of the code is useful in both cases. */
410 DLOG("tabbed mode, setting num_clients = 1\n");
415 if (container->stack_limit == STACK_LIMIT_COLS) {
416 stack_lines = ceil((float)num_clients / container->stack_limit_value);
417 } else if (container->stack_limit == STACK_LIMIT_ROWS) {
418 stack_lines = min(num_clients, container->stack_limit_value);
421 int height = decoration_height * stack_lines;
422 if (num_clients == 1) {
424 stack_win->rect.height = 0;
425 xcb_unmap_window(conn, stack_win->window);
427 DLOG("Just one client, setting height to %d\n", height);
430 /* Check if we need to reconfigure our stack title window */
432 update_if_necessary(&(stack_win->rect.x), container->x) |
433 update_if_necessary(&(stack_win->rect.y), container->y) |
434 update_if_necessary(&(stack_win->rect.width), container->width) |
435 update_if_necessary(&(stack_win->rect.height), height))) {
437 /* Configuration can happen in two slightly different ways:
439 If there is no client in fullscreen mode, 5 parameters are passed
440 (x, y, width, height, stack mode is set to above which means top-most position).
442 If there is a fullscreen client, the fourth parameter is set to to the
443 fullscreen window as sibling and the stack mode is set to below, which means
444 that the stack_window will be placed just below the sibling, that is, under
445 the fullscreen window.
447 uint32_t values[] = { stack_win->rect.x, stack_win->rect.y,
448 stack_win->rect.width, stack_win->rect.height,
449 XCB_STACK_MODE_ABOVE, XCB_STACK_MODE_BELOW };
450 uint32_t mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
451 XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
452 XCB_CONFIG_WINDOW_STACK_MODE;
454 /* Raise the stack window, but keep it below the first floating client
455 * and below the fullscreen client (if any) */
456 Client *first_floating = TAILQ_FIRST(&(container->workspace->floating_clients));
457 if (first_floating != TAILQ_END(&(container->workspace->floating_clients))) {
458 mask |= XCB_CONFIG_WINDOW_SIBLING;
459 values[4] = first_floating->frame;
460 } else if (container->workspace->fullscreen_client != NULL) {
461 mask |= XCB_CONFIG_WINDOW_SIBLING;
462 values[4] = container->workspace->fullscreen_client->frame;
465 xcb_configure_window(conn, stack_win->window, mask, values);
468 /* Prepare the pixmap for usage */
470 cached_pixmap_prepare(conn, &(stack_win->pixmap));
472 int current_row = 0, current_col = 0;
475 if (container->stack_limit == STACK_LIMIT_COLS) {
476 /* wrap stores the number of rows after which we will
477 * wrap to a new column. */
478 wrap = ceil((float)num_clients / container->stack_limit_value);
479 } else if (container->stack_limit == STACK_LIMIT_ROWS) {
480 /* When limiting rows, the wrap variable serves a
481 * slightly different purpose: it holds the number of
482 * pixels which each client will get. This is constant
483 * during the following loop, so it saves us some
484 * divisions and ceil()ing. */
485 wrap = (stack_win->rect.width / ceil((float)num_clients / container->stack_limit_value));
488 /* Render the decorations of all clients */
489 CIRCLEQ_FOREACH(client, &(container->clients), clients) {
490 /* If the client is in fullscreen mode, it does not get reconfigured */
491 if (container->workspace->fullscreen_client == client) {
496 /* Check if we changed client->x or client->y by updating it.
497 * Note the bitwise OR instead of logical OR to force evaluation of all statements */
498 if (client->force_reconfigure |
499 update_if_necessary(&(client->rect.x), container->x) |
500 update_if_necessary(&(client->rect.y), container->y + height) |
501 update_if_necessary(&(client->rect.width), container->width) |
502 update_if_necessary(&(client->rect.height), container->height - height))
503 resize_client(conn, client);
505 client->force_reconfigure = false;
509 if (container->mode == MODE_STACK ||
510 (container->mode == MODE_TABBED &&
511 container->stack_limit == STACK_LIMIT_COLS)) {
512 if (container->stack_limit == STACK_LIMIT_COLS) {
513 offset_x = current_col * (stack_win->rect.width / container->stack_limit_value);
514 offset_y = current_row * decoration_height;
516 if ((current_row % wrap) == 0) {
520 } else if (container->stack_limit == STACK_LIMIT_ROWS) {
521 offset_x = current_col * wrap;
522 offset_y = current_row * decoration_height;
524 if ((current_row % container->stack_limit_value) == 0) {
529 offset_y = current_client * decoration_height;
532 } else if (container->mode == MODE_TABBED) {
533 if (container->stack_limit == STACK_LIMIT_ROWS) {
534 LOG("You limited a tabbed container in its rows. "
535 "This makes no sense in tabbing mode.\n");
537 offset_x = current_client++ * size_each;
539 if (stack_win->pixmap.id == XCB_NONE)
541 decorate_window(conn, client, stack_win->pixmap.id,
542 stack_win->pixmap.gc, offset_x, offset_y);
545 /* Check if we need to fill one column because of an uneven
546 * amount of windows */
547 if (container->mode == MODE_STACK) {
548 if (container->stack_limit == STACK_LIMIT_COLS && (current_col % 2) != 0) {
549 xcb_change_gc_single(conn, stack_win->pixmap.gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
551 int offset_x = current_col * (stack_win->rect.width / container->stack_limit_value);
552 int offset_y = current_row * decoration_height;
553 xcb_rectangle_t rect = {offset_x, offset_y,
554 offset_x + container->width,
555 offset_y + decoration_height };
556 xcb_poly_fill_rectangle(conn, stack_win->pixmap.id, stack_win->pixmap.gc, 1, &rect);
557 } else if (container->stack_limit == STACK_LIMIT_ROWS && (current_row % 2) != 0) {
558 xcb_change_gc_single(conn, stack_win->pixmap.gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
560 int offset_x = current_col * wrap;
561 int offset_y = current_row * decoration_height;
562 xcb_rectangle_t rect = {offset_x, offset_y,
563 offset_x + container->width,
564 offset_y + decoration_height };
565 xcb_poly_fill_rectangle(conn, stack_win->pixmap.id, stack_win->pixmap.gc, 1, &rect);
569 if (stack_win->pixmap.id == XCB_NONE)
571 xcb_copy_area(conn, stack_win->pixmap.id, stack_win->window, stack_win->pixmap.gc,
572 0, 0, 0, 0, stack_win->rect.width, stack_win->rect.height);
576 static void render_bars(xcb_connection_t *conn, Workspace *r_ws, int width, int *height) {
578 SLIST_FOREACH(client, &(r_ws->output->dock_clients), dock_clients) {
579 DLOG("client is at %d, should be at %d\n", client->rect.y, *height);
580 if (client->force_reconfigure |
581 update_if_necessary(&(client->rect.x), r_ws->rect.x) |
582 update_if_necessary(&(client->rect.y), *height))
583 reposition_client(conn, client);
585 if (client->force_reconfigure |
586 update_if_necessary(&(client->rect.width), width) |
587 update_if_necessary(&(client->rect.height), client->desired_height))
588 resize_client(conn, client);
590 client->force_reconfigure = false;
591 DLOG("desired_height = %d\n", client->desired_height);
592 *height += client->desired_height;
596 static void render_internal_bar(xcb_connection_t *conn, Workspace *r_ws, int width, int height) {
597 i3Font *font = load_font(conn, config.font);
598 Output *output = r_ws->output;
599 enum { SET_NORMAL = 0, SET_FOCUSED = 1 };
601 /* Fill the whole bar in black */
602 xcb_change_gc_single(conn, output->bargc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
603 xcb_rectangle_t rect = {0, 0, width, height};
604 xcb_poly_fill_rectangle(conn, output->bar, output->bargc, 1, &rect);
607 xcb_change_gc_single(conn, output->bargc, XCB_GC_FONT, font->id);
611 TAILQ_FOREACH(ws, workspaces, workspaces) {
612 if (ws->output != output)
615 struct Colortriple *color;
617 if (output->current_workspace == ws)
618 color = &(config.bar.focused);
620 color = &(config.bar.urgent);
621 else color = &(config.bar.unfocused);
623 /* Draw the outer rect */
624 xcb_draw_rect(conn, output->bar, output->bargc, color->border,
627 ws->text_width + 5 + 5, /* width = text width + 5 px left + 5px right */
628 height - 2 /* height = max. height - 1 px upper and 1 px bottom border */);
630 /* Draw the background of this rect */
631 xcb_draw_rect(conn, output->bar, output->bargc, color->background,
634 ws->text_width + 4 + 4,
637 xcb_change_gc_single(conn, output->bargc, XCB_GC_FOREGROUND, color->text);
638 xcb_change_gc_single(conn, output->bargc, XCB_GC_BACKGROUND, color->background);
639 xcb_image_text_16(conn, ws->name_len, output->bar, output->bargc, drawn + 5 /* X */,
640 font->height + 1 /* Y = baseline of font */,
641 (xcb_char2b_t*)ws->name);
642 drawn += ws->text_width + 12;
647 * Modifies the event mask of all clients on the given workspace to either ignore or to handle
648 * enter notifies. It is handy to ignore notifies because they will be sent when a window is mapped
649 * under the cursor, thus when the user didn’t enter the window actively at all.
652 void ignore_enter_notify_forall(xcb_connection_t *conn, Workspace *workspace, bool ignore_enter_notify) {
656 FOR_TABLE(workspace) {
657 if (workspace->table[cols][rows] == NULL)
660 CIRCLEQ_FOREACH(client, &(workspace->table[cols][rows]->clients), clients) {
661 /* Change event mask for the decorations */
662 values[0] = FRAME_EVENT_MASK;
663 if (ignore_enter_notify)
664 values[0] &= ~(XCB_EVENT_MASK_ENTER_WINDOW);
665 xcb_change_window_attributes(conn, client->frame, XCB_CW_EVENT_MASK, values);
667 /* Change event mask for the child itself */
668 values[0] = CHILD_EVENT_MASK;
669 if (ignore_enter_notify)
670 values[0] &= ~(XCB_EVENT_MASK_ENTER_WINDOW);
671 xcb_change_window_attributes(conn, client->child, XCB_CW_EVENT_MASK, values);
677 * Renders the given workspace on the given screen
680 void render_workspace(xcb_connection_t *conn, Output *output, Workspace *r_ws) {
681 i3Font *font = load_font(conn, config.font);
682 int width = r_ws->rect.width;
683 int height = r_ws->rect.height;
685 /* Reserve space for dock clients */
687 SLIST_FOREACH(client, &(output->dock_clients), dock_clients)
688 height -= client->desired_height;
690 /* Space for the internal bar */
691 if (!config.disable_workspace_bar)
692 height -= (font->height + 6);
694 int xoffset[r_ws->rows];
695 int yoffset[r_ws->cols];
696 /* Initialize offsets */
697 for (int cols = 0; cols < r_ws->cols; cols++)
698 yoffset[cols] = r_ws->rect.y;
699 for (int rows = 0; rows < r_ws->rows; rows++)
700 xoffset[rows] = r_ws->rect.x;
702 ignore_enter_notify_forall(conn, r_ws, true);
704 /* Go through the whole table and render what’s necessary */
706 Container *container = r_ws->table[cols][rows];
707 if (container == NULL)
709 int single_width = -1, single_height = -1;
710 /* Update position of the container */
711 container->row = rows;
712 container->col = cols;
713 container->x = xoffset[rows];
714 container->y = yoffset[cols];
715 container->width = 0;
717 for (int c = 0; c < container->colspan; c++) {
718 if (r_ws->width_factor[cols+c] == 0)
719 container->width += (width / r_ws->cols);
720 else container->width += get_unoccupied_x(r_ws) * r_ws->width_factor[cols+c];
722 if (single_width == -1)
723 single_width = container->width;
726 DLOG("height is %d\n", height);
728 container->height = 0;
730 for (int c = 0; c < container->rowspan; c++) {
731 if (r_ws->height_factor[rows+c] == 0)
732 container->height += (height / r_ws->rows);
733 else container->height += get_unoccupied_y(r_ws) * r_ws->height_factor[rows+c];
735 if (single_height == -1)
736 single_height = container->height;
739 /* Render the container if it is not empty */
740 render_container(conn, container);
742 xoffset[rows] += single_width;
743 yoffset[cols] += single_height;
746 /* Reposition all floating clients with force_reconfigure == true */
747 TAILQ_FOREACH(client, &(r_ws->floating_clients), floating_clients) {
748 if (!client->force_reconfigure)
751 client->force_reconfigure = false;
752 reposition_client(conn, client);
753 resize_client(conn, client);
756 ignore_enter_notify_forall(conn, r_ws, false);
758 render_bars(conn, r_ws, width, &height);
759 if (!config.disable_workspace_bar)
760 render_internal_bar(conn, r_ws, width, font->height + 6);
764 * Renders the whole layout, that is: Go through each screen, each workspace, each container
765 * and render each client. This also renders the bars.
767 * If you don’t need to render *everything*, you should call render_container on the container
768 * you want to refresh.
771 void render_layout(xcb_connection_t *conn) {
774 TAILQ_FOREACH(output, &outputs, outputs)
775 if (output->current_workspace != NULL)
776 render_workspace(conn, output, output->current_workspace);