+/*
+ * vim:ts=8:expandtab
+ *
+ * i3 - an improved dynamic tiling window manager
+ *
+ * © 2009 Michael Stapelberg and contributors
+ *
+ * See file LICENSE for license information.
+ *
+ * layout.c: Functions handling layout/drawing of window decorations
+ *
+ */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <xcb/xcb.h>
+#include <assert.h>
+#include <math.h>
-#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"
+
+/*
+ * Updates *destination with new_value and returns true if it was changed or false
+ * if it was the same
+ *
+ */
+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;
+
+ LOG("get_unoccupied_x(), starting with %d, default_factor = %f\n", unoccupied, default_factor);
+
+ for (int cols = 0; cols < workspace->cols; cols++) {
+ LOG("width_factor[%d] = %f\n", cols, workspace->width_factor[cols]);
+
+ if (workspace->width_factor[cols] == 0)
+ unoccupied -= workspace->rect.width * default_factor;
+ }
+
+ 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;
+}
+
+/*
+ * 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 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;
+
+ LOG("redecorating child %08x\n", client->child);
+ 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 {
+ if (client->container->currently_focused == client) {
+ /* Distinguish if the window is currently focused… */
+ if (last_focused == client)
+ 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 color->background
+ - Draw two lines in a lighter color
+ - Draw the window’s title
+ */
+
+ /* Draw a rectangle in background color around the window */
+ 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);
+ 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;
+ }
+
+ 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]);
+ LOG("fixed that\n");
+}
+
+/*
+ * Pushes the client’s width/height to X11 and resizes the child window
+ *
+ */
+void resize_client(xcb_connection_t *conn, Client *client) {
+ i3Font *font = load_font(conn, config.font);
+
+ 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_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;
+ 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;
+
+ while (new_height > rect->height) {
+ new_height = ((double)client->proportional_height / client->proportional_width) * new_width;
+
+ 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);
+
+ rect->height = new_height;
+ rect->width = new_width;
+ LOG("new_height = %f, new_width = %d\n", new_height, new_width);
+ }
+
+ LOG("child will be at %dx%d with size %dx%d\n", rect->x, rect->y, rect->width, rect->height);
-/* All functions handling layout/drawing of window decorations */
+ 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);
+}
/*
- * (Re-)draws window decorations for a given Client
+ * Renders the given container. Is called by render_layout() or individually (for example
+ * when focus changes 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");
- } 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");
- }
-
- /* Our plan is the following:
- - Draw a rect around the whole client in background_color
- - 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->width, client->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_LINE(border_color, 2, 0, client->width, 0);
- DRAW_LINE(border_color, 2, font->height + 3, 2 + client->width, font->height + 3);
-
- /* Draw the font */
- mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT;
-
- values[0] = text_color;
- values[1] = background_color;
- values[2] = font->id;
-
- xcb_change_gc(conn, client->titlegc, mask, values);
-
- /* 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);
+void render_container(xcb_connection_t *conn, Container *container) {
+ Client *client;
+ int num_clients = 0, current_client = 0;
+
+ CIRCLEQ_FOREACH(client, &(container->clients), clients)
+ num_clients++;
+
+ if (container->mode == MODE_DEFAULT) {
+ LOG("got %d clients in this default container.\n", num_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 +
+ (container->height / num_clients) * current_client))
+ reposition_client(conn, client);
+
+ /* TODO: vertical default layout */
+ if (client->force_reconfigure |
+ update_if_necessary(&(client->rect.width), container->width) |
+ update_if_necessary(&(client->rect.height), container->height / num_clients))
+ resize_client(conn, client);
+
+ client->force_reconfigure = false;
+
+ current_client++;
+ }
+ } else {
+ 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)))
+ reposition_client(conn, client);
+
+ if (client->force_reconfigure |
+ 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);
+ }
+}
+
+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;
+ }
}
-void render_container(xcb_connection_t *connection, Container *container) {
- Client *client;
- uint32_t values[4];
- uint32_t mask = XCB_CONFIG_WINDOW_X |
- XCB_CONFIG_WINDOW_Y |
- XCB_CONFIG_WINDOW_WIDTH |
- XCB_CONFIG_WINDOW_HEIGHT;
- i3Font *font = load_font(connection, pattern);
-
- 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);
-
- int current_client = 0;
- CIRCLEQ_FOREACH(client, &(container->clients), clients) {
- /* TODO: rewrite this block so that the need to puke vanishes :) */
- /* TODO: at the moment, every column/row is 200px. This
- * needs to be changed to "percentage of the screen" by
- * default and adjustable by the user if necessary.
- */
- values[0] = container->x + (container->col * container->width); /* x */
- values[1] = container->y + (container->row * container->height +
- (container->height / num_clients) * current_client); /* y */
-
- if (client->x != values[0] || client->y != values[1]) {
- printf("frame needs to be pushed to %dx%d\n",
- values[0], values[1]);
- client->x = values[0];
- client->y = values[1];
- xcb_configure_window(connection, client->frame,
- XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y, values);
- }
- /* TODO: vertical default layout */
- values[0] = container->width; /* width */
- values[1] = container->height / num_clients; /* height */
-
- if (client->width != values[0] || client->height != values[1]) {
- client->width = values[0];
- client->height = values[1];
- xcb_configure_window(connection, client->frame,
- XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT, values);
- }
-
- /* TODO: hmm, only do this for new wins */
- /* The coordinates of the child are relative to its frame, we
- * add a border of 2 pixel to each value */
- values[0] = 2;
- values[1] = font->height + 2 + 2;
- values[2] = client->width - (values[0] + 2);
- values[3] = client->height - (values[1] + 2);
- printf("child itself 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);
-
- decorate_window(connection, client);
- current_client++;
- }
- } else {
- /* TODO: Implement stacking */
- }
+static void render_internal_bar(xcb_connection_t *conn, Workspace *r_ws, int width, int height) {
+ LOG("Rendering internal bar\n");
+ 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);
+
+ /* Set font */
+ xcb_change_gc_single(conn, screen->bargc, XCB_GC_FONT, font->id);
+
+ int drawn = 0;
+ for (int c = 0; c < 10; c++) {
+ if (workspaces[c].screen != screen)
+ continue;
+
+ 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;
+ }
+
+ LOG("done rendering internal\n");
}
+/*
+ * 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];
+
+ LOG("Ignore enter_notify = %d\n", ignore_enter_notify);
+
+ 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);
+
+ LOG("got %d rows and %d cols\n", r_ws->rows, r_ws->cols);
+
+ 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;
+
+ dump_table(conn, r_ws);
+
+ 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;
+ LOG("\n");
+ LOG("========\n");
+ LOG("container has %d colspan, %d rowspan\n",
+ container->colspan, container->rowspan);
+ LOG("container at %d, %d\n", xoffset[rows], yoffset[cols]);
+ /* 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;
+ LOG("==========\n");
+ }
+
+ 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) {
- int cols, rows;
- int screen;
- for (screen = 0; screen < num_screens; screen++) {
- printf("Rendering screen %d\n", screen);
- /* TODO: get the workspace which is active on the screen */
- int width = workspaces[screen].width;
- int height = workspaces[screen].height;
-
- printf("got %d rows and %d cols\n", c_ws->rows, c_ws->cols);
- printf("each of them therefore is %d px width and %d px height\n",
- width / c_ws->cols, height / c_ws->rows);
-
- /* Go through the whole table and render what’s necessary */
- for (cols = 0; cols < c_ws->cols; cols++)
- for (rows = 0; rows < c_ws->rows; rows++) {
- Container *con = CUR_TABLE[cols][rows];
- printf("container has %d colspan, %d rowspan\n",
- con->colspan, con->rowspan);
- /* Update position of the container */
- con->row = rows;
- con->col = cols;
- con->x = workspaces[screen].x;
- con->y = workspaces[screen].y;
- con->width = (width / c_ws->cols) * con->colspan;
- con->height = (height / c_ws->rows) * con->rowspan;
-
- /* Render it */
- render_container(conn, CUR_TABLE[cols][rows]);
- }
- }
-
- xcb_flush(conn);
+ i3Screen *screen;
+
+ TAILQ_FOREACH(screen, virtual_screens, screens) {
+ LOG("Rendering screen %d\n", screen->num);
+ render_workspace(conn, screen, &(workspaces[screen->current_workspace]));
+ }
+
+ xcb_flush(conn);
}
projects / i3 / i3 / blobdiff