X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Flayout.c;h=dd57cca86f527573277baf4697ad540f30686f3a;hb=a22550392d1a59b669548df51e0d536517aa17ec;hp=a3b87f176ef15ad695c0cbc92b7d0f578d917b99;hpb=6b1069cd47b59a2edf8cc9781aafcc0368430fe0;p=i3%2Fi3 diff --git a/src/layout.c b/src/layout.c index a3b87f17..dd57cca8 100644 --- a/src/layout.c +++ b/src/layout.c @@ -10,238 +10,600 @@ * layout.c: Functions handling layout/drawing of window decorations * */ -#define _GNU_SOURCE #include #include #include #include +#include +#include -#include "font.h" +#include "config.h" #include "i3.h" #include "xcb.h" #include "table.h" #include "util.h" #include "xinerama.h" +#include "layout.h" +#include "client.h" +#include "floating.h" +#include "handlers.h" /* - * For resizing containers (= cells), we need to know the space which is unoccupied by "default" - * windows. The resized containers will be rendered relatively to this space, meaning that newly - * created columns/rows after a container was resized will start with their normal size. + * Updates *destination with new_value and returns true if it was changed or false + * if it was the same * */ -Rect get_unoccupied_space(Workspace *workspace) { - printf("getting unoccupied space\n"); - float default_factor_w = ((float)workspace->rect.width / (float)workspace->cols) / (float)workspace->rect.width; - float default_factor_h = (workspace->rect.height / workspace->rows) / workspace->rect.height; - Rect result = {0, 0, workspace->rect.width, workspace->rect.height}; - - printf("default factor is %f and %f\n", default_factor_w, default_factor_h); - printf("start w = %d, h = %d\n", result.width, result.height); - /* TODO: colspan/rowspan*/ - - for (int cols = 0; cols < workspace->cols; cols++) - for (int rows = 0; rows < workspace->rows; rows++) { - printf("oh hai. wf[%d][%d] = %f\n", cols, rows, workspace->table[cols][rows]->width_factor); - if (workspace->table[cols][rows]->width_factor == 0) - result.width -= workspace->rect.width * default_factor_w; - if (workspace->table[cols][rows]->height_factor == 0) - result.height -= workspace->rect.height * default_factor_h; - } +static bool update_if_necessary(uint32_t *destination, const uint32_t new_value) { + uint32_t old_value = *destination; + + return ((*destination = new_value) != old_value); +} + +/* + * Gets the unoccupied space (= space which is available for windows which were resized by the user) + * for the given row. This is necessary to render both, customly resized windows and never touched + * windows correctly, meaning that the aspect ratio will be maintained when opening new windows. + * + */ +int get_unoccupied_x(Workspace *workspace) { + int unoccupied = workspace->rect.width; + float default_factor = ((float)workspace->rect.width / workspace->cols) / workspace->rect.width; - /* If every container is using the default factor, we have the whole space available */ - if (result.width == 0) - result.width = workspace->rect.width; + LOG("get_unoccupied_x(), starting with %d, default_factor = %f\n", unoccupied, default_factor); - if (result.height == 0) - result.height = workspace->rect.height; + for (int cols = 0; cols < workspace->cols; cols++) { + LOG("width_factor[%d] = %f\n", cols, workspace->width_factor[cols]); - printf("unoccupied x = %d, unoccupied y = %d\n", result.width, result.height); + if (workspace->width_factor[cols] == 0) + unoccupied -= workspace->rect.width * default_factor; + } - return result; + LOG("unoccupied space: %d\n", unoccupied); + return unoccupied; +} + +/* See get_unoccupied_x() */ +int get_unoccupied_y(Workspace *workspace, int col) { + int unoccupied = workspace->rect.height; + float default_factor = ((float)workspace->rect.height / workspace->rows) / workspace->rect.height; + + LOG("get_unoccupied_y(), starting with %d, default_factor = %f\n", unoccupied, default_factor); + + for (int rows = 0; rows < workspace->rows; rows++) { + LOG("height_factor[%d] = %f\n", rows, workspace->height_factor[rows]); + if (workspace->height_factor[rows] == 0) + unoccupied -= workspace->rect.height * default_factor; + } + + LOG("unoccupied space: %d\n", unoccupied); + return unoccupied; } /* - * (Re-)draws window decorations for a given Client + * Redecorates the given client correctly by checking if it’s in a stacking container and + * re-rendering the stack window or just calling decorate_window if it’s not in a stacking + * container. * */ -void decorate_window(xcb_connection_t *conn, Client *client) { - uint32_t mask = 0; - uint32_t values[3]; - i3Font *font = load_font(conn, pattern); - uint32_t background_color, - text_color, - border_color; - - if (client->container->currently_focused == client) { - background_color = get_colorpixel(conn, client->frame, "#285577"); - text_color = get_colorpixel(conn, client->frame, "#ffffff"); - border_color = get_colorpixel(conn, client->frame, "#4c7899"); +void redecorate_window(xcb_connection_t *conn, Client *client) { + if (client->container != NULL && client->container->mode == MODE_STACK) { + render_container(conn, client->container); + /* We clear the frame to generate exposure events, because the color used + in drawing may be different */ + xcb_clear_area(conn, true, client->frame, 0, 0, client->rect.width, client->rect.height); + } else decorate_window(conn, client, client->frame, client->titlegc, 0); + xcb_flush(conn); +} + +/* + * (Re-)draws window decorations for a given Client onto the given drawable/graphic context. + * When in stacking mode, the window decorations are drawn onto an own window. + * + */ +void decorate_window(xcb_connection_t *conn, Client *client, xcb_drawable_t drawable, xcb_gcontext_t gc, int offset) { + i3Font *font = load_font(conn, config.font); + int decoration_height = font->height + 2 + 2; + struct Colortriple *color; + Client *last_focused; + + /* Clients without a container (docks) won’t get decorated */ + if (client->dock) + return; + + last_focused = SLIST_FIRST(&(client->workspace->focus_stack)); + if (client_is_floating(client)) { + if (last_focused == client) + color = &(config.client.focused); + else color = &(config.client.unfocused); } else { - background_color = get_colorpixel(conn, client->frame, "#222222"); - text_color = get_colorpixel(conn, client->frame, "#888888"); - border_color = get_colorpixel(conn, client->frame, "#333333"); + if (client->container->currently_focused == client) { + /* Distinguish if the window is currently focused… */ + if (last_focused == client && c_ws == client->workspace) + color = &(config.client.focused); + /* …or if it is the focused window in a not focused container */ + else color = &(config.client.focused_inactive); + } else color = &(config.client.unfocused); } /* Our plan is the following: - - Draw a rect around the whole client in background_color + - Draw a rect around the whole client in color->background - Draw two lines in a lighter color - Draw the window’s title - - Note that xcb_image_text apparently adds 1xp border around the font? Can anyone confirm this? */ - /* Draw a green rectangle around the window */ - mask = XCB_GC_FOREGROUND; - values[0] = background_color; - xcb_change_gc(conn, client->titlegc, mask, values); - - xcb_rectangle_t rect = {0, 0, client->rect.width, client->rect.height}; - xcb_poly_fill_rectangle(conn, client->frame, client->titlegc, 1, &rect); - - /* Draw the lines */ - /* TODO: this needs to be more beautiful somewhen. maybe stdarg + change_gc(gc, ...) ? */ -#define DRAW_LINE(colorpixel, x, y, to_x, to_y) { \ - uint32_t draw_values[1]; \ - draw_values[0] = colorpixel; \ - xcb_change_gc(conn, client->titlegc, XCB_GC_FOREGROUND, draw_values); \ - xcb_point_t points[] = {{x, y}, {to_x, to_y}}; \ - xcb_poly_line(conn, XCB_COORD_MODE_ORIGIN, client->frame, client->titlegc, 2, points); \ + /* Draw a rectangle in background color around the window */ + if (client->borderless) + xcb_change_gc_single(conn, gc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000")); + else xcb_change_gc_single(conn, gc, XCB_GC_FOREGROUND, color->background); + + /* In stacking mode, we only render the rect for this specific decoration */ + if (client->container != NULL && client->container->mode == MODE_STACK) { + /* We need to use the container’s width because it is the more recent value - when + in stacking mode, clients get reconfigured only on demand (the not active client + is not reconfigured), so the client’s rect.width would be wrong */ + xcb_rectangle_t rect = {0, offset, client->container->width, offset + decoration_height }; + xcb_poly_fill_rectangle(conn, drawable, gc, 1, &rect); + } else { + xcb_rectangle_t rect = {0, 0, client->rect.width, client->rect.height}; + xcb_poly_fill_rectangle(conn, drawable, gc, 1, &rect); + + /* Draw the inner background to have a black frame around clients (such as mplayer) + which cannot be resized exactly in our frames and therefore are centered */ + xcb_change_gc_single(conn, client->titlegc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000")); + xcb_rectangle_t crect = {2, decoration_height, + client->rect.width - (2 + 2), client->rect.height - 2 - decoration_height}; + xcb_poly_fill_rectangle(conn, client->frame, client->titlegc, 1, &crect); + } + + if (client->titlebar_position != TITLEBAR_OFF) { + /* Draw the lines */ + xcb_draw_line(conn, drawable, gc, color->border, 0, offset, client->rect.width, offset); + if ((client->container == NULL || + client->container->mode != MODE_STACK || + CIRCLEQ_NEXT_OR_NULL(&(client->container->clients), client, clients) == NULL)) + xcb_draw_line(conn, drawable, gc, color->border, 2, offset + font->height + 3, + client->rect.width - 3, offset + font->height + 3); + } + + /* If the client has a title, we draw it */ + if (client->name != NULL) { + /* Draw the font */ + uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT; + uint32_t values[] = { color->text, color->background, font->id }; + xcb_change_gc(conn, gc, mask, values); + + /* name_len == -1 means this is a legacy application which does not specify _NET_WM_NAME, + and we don’t handle the old window name (COMPOUND_TEXT) but only _NET_WM_NAME, which + is UTF-8 */ + if (client->name_len == -1) + xcb_image_text_8(conn, strlen(client->name), drawable, gc, 3 /* X */, + offset + font->height /* Y = baseline of font */, client->name); + else + xcb_image_text_16(conn, client->name_len, drawable, gc, 3 /* X */, + offset + font->height /* Y = baseline of font */, (xcb_char2b_t*)client->name); + } +} + +/* + * Pushes the client’s x and y coordinates to X11 + * + */ +void reposition_client(xcb_connection_t *conn, Client *client) { + i3Screen *screen; + + LOG("frame 0x%08x needs to be pushed to %dx%d\n", client->frame, client->rect.x, client->rect.y); + /* Note: We can use a pointer to client->x like an array of uint32_ts + because it is followed by client->y by definition */ + xcb_configure_window(conn, client->frame, XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y, &(client->rect.x)); + + if (!client_is_floating(client)) + return; + + /* If the client is floating, we need to check if we moved it to a different workspace */ + if (client->workspace->screen == (screen = get_screen_containing(client->rect.x, client->rect.y))) + return; + + if (screen == NULL) { + LOG("Boundary checking disabled, no screen found for (%d, %d)\n", client->rect.x, client->rect.y); + return; } - DRAW_LINE(border_color, 2, 0, client->rect.width, 0); - DRAW_LINE(border_color, 2, font->height + 3, 2 + client->rect.width, font->height + 3); + LOG("Client is on workspace %p with screen %p\n", client->workspace, client->workspace->screen); + LOG("but screen at %d, %d is %p\n", client->rect.x, client->rect.y, screen); + floating_assign_to_workspace(client, &workspaces[screen->current_workspace]); +} - /* Draw the font */ - mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT; +/* + * Pushes the client’s width/height to X11 and resizes the child window. This + * function also updates the client’s position, so if you work on tiling clients + * only, you can use this function instead of separate calls to reposition_client + * and resize_client to reduce flickering. + * + */ +void resize_client(xcb_connection_t *conn, Client *client) { + i3Font *font = load_font(conn, config.font); + + LOG("frame 0x%08x needs to be pushed to %dx%d\n", client->frame, client->rect.x, client->rect.y); + LOG("resizing client 0x%08x to %d x %d\n", client->frame, client->rect.width, client->rect.height); + xcb_configure_window(conn, client->frame, + XCB_CONFIG_WINDOW_X | + XCB_CONFIG_WINDOW_Y | + XCB_CONFIG_WINDOW_WIDTH | + XCB_CONFIG_WINDOW_HEIGHT, + &(client->rect.x)); + + /* Adjust the position of the child inside its frame. + * The coordinates of the child are relative to its frame, we + * add a border of 2 pixel to each value */ + uint32_t mask = XCB_CONFIG_WINDOW_X | + XCB_CONFIG_WINDOW_Y | + XCB_CONFIG_WINDOW_WIDTH | + XCB_CONFIG_WINDOW_HEIGHT; + Rect *rect = &(client->child_rect); + switch ((client->container != NULL ? client->container->mode : MODE_DEFAULT)) { + case MODE_STACK: + rect->x = 2; + rect->y = 0; + rect->width = client->rect.width - (2 + 2); + rect->height = client->rect.height - 2; + break; + default: + if (client->titlebar_position == TITLEBAR_OFF && client->borderless) { + rect->x = 0; + rect->y = 0; + rect->width = client->rect.width; + rect->height = client->rect.height; + } else if (client->titlebar_position == TITLEBAR_OFF && !client->borderless) { + rect->x = 1; + rect->y = 1; + rect->width = client->rect.width - 1 - 1; + rect->height = client->rect.height - 1 - 1; + } else { + rect->x = 2; + rect->y = font->height + 2 + 2; + rect->width = client->rect.width - (2 + 2); + rect->height = client->rect.height - ((font->height + 2 + 2) + 2); + } + break; + } + + /* Obey the ratio, if any */ + if (client->proportional_height != 0 && + client->proportional_width != 0) { + LOG("proportional height = %d, width = %d\n", client->proportional_height, client->proportional_width); + double new_height = rect->height + 1; + int new_width = rect->width; - values[0] = text_color; - values[1] = background_color; - values[2] = font->id; + while (new_height > rect->height) { + new_height = ((double)client->proportional_height / client->proportional_width) * new_width; - xcb_change_gc(conn, client->titlegc, mask, values); + if (new_height > rect->height) + new_width--; + } + /* Center the window */ + rect->y += ceil(rect->height / 2) - floor(new_height / 2); + rect->x += ceil(rect->width / 2) - floor(new_width / 2); - /* TODO: utf8? */ - char *label; - asprintf(&label, "(%08x) %.*s", client->frame, client->name_len, client->name); - xcb_void_cookie_t text_cookie = xcb_image_text_8_checked(conn, strlen(label), client->frame, - client->titlegc, 3 /* X */, font->height /* Y = baseline of font */, label); - check_error(conn, text_cookie, "Could not draw client's title"); - free(label); + rect->height = new_height; + rect->width = new_width; + LOG("new_height = %f, new_width = %d\n", new_height, new_width); + } + + if (client->height_increment > 1) { + int old_height = rect->height; + rect->height -= (rect->height - client->base_height) % client->height_increment; + LOG("Lost %d pixel due to client's height_increment (%d px)\n", + old_height - rect->height, client->height_increment); + } + + if (client->width_increment > 1) { + int old_width = rect->width; + rect->width -= (rect->width - client->base_width) % client->width_increment; + LOG("Lost %d pixel due to client's width_increment (%d px)\n", + old_width - rect->width, client->width_increment); + } + + LOG("child will be at %dx%d with size %dx%d\n", rect->x, rect->y, rect->width, rect->height); + + xcb_configure_window(conn, client->child, mask, &(rect->x)); + + /* After configuring a child window we need to fake a configure_notify_event (see ICCCM 4.2.3). + * This is necessary to inform the client of its position relative to the root window, + * not relative to its frame (as done in the configure_notify_event by the x server). */ + fake_absolute_configure_notify(conn, client); + + /* Force redrawing after resizing the window because any now lost + * pixels could contain old garbage. */ + xcb_expose_event_t generated; + generated.window = client->frame; + generated.count = 0; + handle_expose_event(NULL, conn, &generated); } -static void render_container(xcb_connection_t *connection, Container *container) { +/* + * Renders the given container. Is called by render_layout() or individually (for example + * when focus changes in a stacking container) + * + */ +void render_container(xcb_connection_t *conn, Container *container) { Client *client; - i3Font *font = load_font(connection, pattern); + int num_clients = 0, current_client = 0; - if (container->mode == MODE_DEFAULT) { - int num_clients = 0; - CIRCLEQ_FOREACH(client, &(container->clients), clients) - num_clients++; - printf("got %d clients in this default container.\n", num_clients); + CIRCLEQ_FOREACH(client, &(container->clients), clients) + num_clients++; - int current_client = 0; + if (container->mode == MODE_DEFAULT) { CIRCLEQ_FOREACH(client, &(container->clients), clients) { - /* TODO: at the moment, every column/row is screen / num_cols. This - * needs to be changed to "percentage of the screen" by - * default and adjustable by the user if necessary. - */ + /* If the client is in fullscreen mode, it does not get reconfigured */ + if (container->workspace->fullscreen_client == client) { + current_client++; + continue; + } - /* Check if we changed client->x or client->y by updating it… + /* Check if we changed client->x or client->y by updating it. * Note the bitwise OR instead of logical OR to force evaluation of both statements */ if (client->force_reconfigure | - (client->rect.x != (client->rect.x = container->x)) | - (client->rect.y != (client->rect.y = container->y + - (container->height / num_clients) * current_client))) { - printf("frame needs to be pushed to %dx%d\n", client->rect.x, client->rect.y); - /* Note: We can use a pointer to client->x like an array of uint32_ts - because it is followed by client->y by definition */ - xcb_configure_window(connection, client->frame, - XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y, &(client->rect.x)); - } + update_if_necessary(&(client->rect.x), container->x) | + update_if_necessary(&(client->rect.y), container->y + + (container->height / num_clients) * current_client) | + update_if_necessary(&(client->rect.width), container->width) | + update_if_necessary(&(client->rect.height), container->height / num_clients)) + resize_client(conn, client); /* TODO: vertical default layout */ - if (client->force_reconfigure | - (client->rect.width != (client->rect.width = container->width)) | - (client->rect.height != (client->rect.height = container->height / num_clients))) { - printf("resizing client to %d x %d\n", client->rect.width, client->rect.height); - xcb_configure_window(connection, client->frame, - XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT, - &(client->rect.width)); - - /* Adjust the position of the child inside its frame. - * The coordinates of the child are relative to its frame, we - * add a border of 2 pixel to each value */ - uint32_t mask = XCB_CONFIG_WINDOW_X | - XCB_CONFIG_WINDOW_Y | - XCB_CONFIG_WINDOW_WIDTH | - XCB_CONFIG_WINDOW_HEIGHT; - uint32_t values[4] = {2, /* x */ - font->height + 2 + 2, /* y */ - client->rect.width - (2 + 2), /* width */ - client->rect.height - ((font->height + 2 + 2) + 2)}; /* height */ - - printf("child will be at %dx%d with size %dx%d\n", - values[0], values[1], values[2], values[3]); - - xcb_configure_window(connection, client->child, mask, values); - } - if (client->force_reconfigure) - client->force_reconfigure = false; + client->force_reconfigure = false; current_client++; } } else { - /* TODO: Implement stacking */ + i3Font *font = load_font(conn, config.font); + int decoration_height = (font->height + 2 + 2); + struct Stack_Window *stack_win = &(container->stack_win); + + /* Check if we need to remap our stack title window, it gets unmapped when the container + is empty in src/handlers.c:unmap_notify() */ + if (stack_win->rect.height == 0 && num_clients > 0) + xcb_map_window(conn, stack_win->window); + + /* Check if we need to reconfigure our stack title window */ + if (update_if_necessary(&(stack_win->rect.x), container->x) | + update_if_necessary(&(stack_win->rect.y), container->y) | + update_if_necessary(&(stack_win->rect.width), container->width) | + update_if_necessary(&(stack_win->rect.height), decoration_height * num_clients)) { + + /* Configuration can happen in two slightly different ways: + + If there is no client in fullscreen mode, 5 parameters are passed + (x, y, width, height, stack mode is set to above which means top-most position). + + If there is a fullscreen client, the fourth parameter is set to to the + fullscreen window as sibling and the stack mode is set to below, which means + that the stack_window will be placed just below the sibling, that is, under + the fullscreen window. + */ + uint32_t values[] = { stack_win->rect.x, stack_win->rect.y, + stack_win->rect.width, stack_win->rect.height, + XCB_STACK_MODE_ABOVE, XCB_STACK_MODE_BELOW }; + uint32_t mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | + XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT | + XCB_CONFIG_WINDOW_STACK_MODE; + + /* Raise the stack window, but keep it below the first floating client + * and below the fullscreen client (if any) */ + Client *first_floating = TAILQ_FIRST(&(container->workspace->floating_clients)); + if (first_floating != TAILQ_END(&(container->workspace->floating_clients))) { + mask |= XCB_CONFIG_WINDOW_SIBLING; + values[4] = first_floating->frame; + } else if (container->workspace->fullscreen_client != NULL) { + mask |= XCB_CONFIG_WINDOW_SIBLING; + values[4] = container->workspace->fullscreen_client->frame; + } + + xcb_configure_window(conn, stack_win->window, mask, values); + } + + /* Prepare the pixmap for usage */ + cached_pixmap_prepare(conn, &(stack_win->pixmap)); + + /* Render the decorations of all clients */ + CIRCLEQ_FOREACH(client, &(container->clients), clients) { + /* If the client is in fullscreen mode, it does not get reconfigured */ + if (container->workspace->fullscreen_client == client) { + current_client++; + continue; + } + + /* Check if we changed client->x or client->y by updating it. + * Note the bitwise OR instead of logical OR to force evaluation of both statements */ + if (client->force_reconfigure | + update_if_necessary(&(client->rect.x), container->x) | + update_if_necessary(&(client->rect.y), container->y + (decoration_height * num_clients)) | + update_if_necessary(&(client->rect.width), container->width) | + update_if_necessary(&(client->rect.height), container->height - (decoration_height * num_clients))) + resize_client(conn, client); + + client->force_reconfigure = false; + + decorate_window(conn, client, stack_win->pixmap.id, stack_win->pixmap.gc, + current_client++ * decoration_height); + } + + xcb_copy_area(conn, stack_win->pixmap.id, stack_win->window, stack_win->pixmap.gc, + 0, 0, 0, 0, stack_win->rect.width, stack_win->rect.height); } } -void render_layout(xcb_connection_t *connection) { - i3Screen *screen; +static void render_bars(xcb_connection_t *conn, Workspace *r_ws, int width, int *height) { + Client *client; + SLIST_FOREACH(client, &(r_ws->screen->dock_clients), dock_clients) { + LOG("client is at %d, should be at %d\n", client->rect.y, *height); + if (client->force_reconfigure | + update_if_necessary(&(client->rect.x), r_ws->rect.x) | + update_if_necessary(&(client->rect.y), *height)) + reposition_client(conn, client); + + if (client->force_reconfigure | + update_if_necessary(&(client->rect.width), width) | + update_if_necessary(&(client->rect.height), client->desired_height)) + resize_client(conn, client); + + client->force_reconfigure = false; + LOG("desired_height = %d\n", client->desired_height); + *height += client->desired_height; + } +} + +static void render_internal_bar(xcb_connection_t *conn, Workspace *r_ws, int width, int height) { + i3Font *font = load_font(conn, config.font); + i3Screen *screen = r_ws->screen; + enum { SET_NORMAL = 0, SET_FOCUSED = 1 }; + + /* Fill the whole bar in black */ + xcb_change_gc_single(conn, screen->bargc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000")); + xcb_rectangle_t rect = {0, 0, width, height}; + xcb_poly_fill_rectangle(conn, screen->bar, screen->bargc, 1, &rect); - TAILQ_FOREACH(screen, &virtual_screens, screens) { - /* r_ws (rendering workspace) is just a shortcut to the Workspace being currently rendered */ - Workspace *r_ws = &(workspaces[screen->current_workspace]); + /* Set font */ + xcb_change_gc_single(conn, screen->bargc, XCB_GC_FONT, font->id); - printf("Rendering screen %d\n", screen->num); - if (r_ws->fullscreen_client != NULL) - /* This is easy: A client has entered fullscreen mode, so we don’t render at all */ + int drawn = 0; + for (int c = 0; c < 10; c++) { + if (workspaces[c].screen != screen) continue; - int width = r_ws->rect.width; - int height = r_ws->rect.height; - int x = r_ws->rect.x; - int y = r_ws->rect.y; - - printf("got %d rows and %d cols\n", r_ws->rows, r_ws->cols); - printf("each of them therefore is %d px width and %d px height\n", - width / r_ws->cols, height / r_ws->rows); - - Rect space = get_unoccupied_space(r_ws); - printf("got %d / %d unoc space\n", space.width, space.height); - - /* Go through the whole table and render what’s necessary */ - for (int cols = 0; cols < r_ws->cols; cols++) - for (int rows = 0; rows < r_ws->rows; rows++) { - Container *container = r_ws->table[cols][rows]; - printf("container has %d colspan, %d rowspan\n", - container->colspan, container->rowspan); - printf("container at %d, %d\n", x, y); - /* Update position of the container */ - container->row = rows; - container->col = cols; - container->x = x; - container->y = y; - if (container->width_factor == 0) - container->width = (width / r_ws->cols) * container->colspan; - else container->width = space.width * container->width_factor; - container->height = (height / r_ws->rows) * container->rowspan; - - /* Render it */ - render_container(connection, container); - - x += container->width; - } + + struct Colortriple *color = (screen->current_workspace == c ? &(config.bar.focused) : + &(config.bar.unfocused)); + Workspace *ws = &workspaces[c]; + + /* Draw the outer rect */ + xcb_draw_rect(conn, screen->bar, screen->bargc, color->border, + drawn, /* x */ + 1, /* y */ + ws->text_width + 5 + 5, /* width = text width + 5 px left + 5px right */ + height - 2 /* height = max. height - 1 px upper and 1 px bottom border */); + + /* Draw the background of this rect */ + xcb_draw_rect(conn, screen->bar, screen->bargc, color->background, + drawn + 1, + 2, + ws->text_width + 4 + 4, + height - 4); + + xcb_change_gc_single(conn, screen->bargc, XCB_GC_FOREGROUND, color->text); + xcb_change_gc_single(conn, screen->bargc, XCB_GC_BACKGROUND, color->background); + xcb_image_text_16(conn, ws->name_len, screen->bar, screen->bargc, drawn + 5 /* X */, + font->height + 1 /* Y = baseline of font */, + (xcb_char2b_t*)ws->name); + drawn += ws->text_width + 12; } +} + +/* + * Modifies the event mask of all clients on the given workspace to either ignore or to handle + * enter notifies. It is handy to ignore notifies because they will be sent when a window is mapped + * under the cursor, thus when the user didn’t enter the window actively at all. + * + */ +void ignore_enter_notify_forall(xcb_connection_t *conn, Workspace *workspace, bool ignore_enter_notify) { + Client *client; + uint32_t values[1]; + + FOR_TABLE(workspace) + CIRCLEQ_FOREACH(client, &(workspace->table[cols][rows]->clients), clients) { + /* Change event mask for the decorations */ + values[0] = FRAME_EVENT_MASK; + if (ignore_enter_notify) + values[0] &= ~(XCB_EVENT_MASK_ENTER_WINDOW); + xcb_change_window_attributes(conn, client->frame, XCB_CW_EVENT_MASK, values); + + /* Change event mask for the child itself */ + values[0] = CHILD_EVENT_MASK; + if (ignore_enter_notify) + values[0] &= ~(XCB_EVENT_MASK_ENTER_WINDOW); + xcb_change_window_attributes(conn, client->child, XCB_CW_EVENT_MASK, values); + } +} + +/* + * Renders the given workspace on the given screen + * + */ +void render_workspace(xcb_connection_t *conn, i3Screen *screen, Workspace *r_ws) { + i3Font *font = load_font(conn, config.font); + int width = r_ws->rect.width; + int height = r_ws->rect.height; + + /* Reserve space for dock clients */ + Client *client; + SLIST_FOREACH(client, &(screen->dock_clients), dock_clients) + height -= client->desired_height; + + /* Space for the internal bar */ + height -= (font->height + 6); + + int xoffset[r_ws->rows]; + int yoffset[r_ws->cols]; + /* Initialize offsets */ + for (int cols = 0; cols < r_ws->cols; cols++) + yoffset[cols] = r_ws->rect.y; + for (int rows = 0; rows < r_ws->rows; rows++) + xoffset[rows] = r_ws->rect.x; + + ignore_enter_notify_forall(conn, r_ws, true); + + /* Go through the whole table and render what’s necessary */ + FOR_TABLE(r_ws) { + Container *container = r_ws->table[cols][rows]; + int single_width = -1, single_height; + /* Update position of the container */ + container->row = rows; + container->col = cols; + container->x = xoffset[rows]; + container->y = yoffset[cols]; + container->width = 0; + + for (int c = 0; c < container->colspan; c++) { + if (r_ws->width_factor[cols+c] == 0) + container->width += (width / r_ws->cols); + else container->width += get_unoccupied_x(r_ws) * r_ws->width_factor[cols+c]; + + if (single_width == -1) + single_width = container->width; + } + + //if (container->height_factor == 0) + container->height = (height / r_ws->rows); + //else container->height = get_unoccupied_y(r_ws, cols) * container->height_factor; + single_height = container->height; + container->height *= container->rowspan; + + /* Render the container if it is not empty */ + render_container(conn, container); + + xoffset[rows] += single_width; + yoffset[cols] += single_height; + } + + ignore_enter_notify_forall(conn, r_ws, false); + + render_bars(conn, r_ws, width, &height); + render_internal_bar(conn, r_ws, width, font->height + 6); +} + +/* + * Renders the whole layout, that is: Go through each screen, each workspace, each container + * and render each client. This also renders the bars. + * + * If you don’t need to render *everything*, you should call render_container on the container + * you want to refresh. + * + */ +void render_layout(xcb_connection_t *conn) { + i3Screen *screen; + + TAILQ_FOREACH(screen, virtual_screens, screens) + render_workspace(conn, screen, &(workspaces[screen->current_workspace])); - xcb_flush(connection); + xcb_flush(conn); }