190 lines
8.7 KiB
C
190 lines
8.7 KiB
C
/*
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* vim:ts=8:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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*
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* (c) 2009 Michael Stapelberg and contributors
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*
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* See file LICENSE for license information.
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*
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*/
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <xcb/xcb.h>
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#include "font.h"
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#include "i3.h"
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#include "xcb.h"
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#include "table.h"
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#include "util.h"
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/* All functions handling layout/drawing of window decorations */
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/*
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* (Re-)draws window decorations for a given Client
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*
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*/
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void decorate_window(xcb_connection_t *conn, Client *client) {
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uint32_t mask = 0;
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uint32_t values[3];
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i3Font *font = load_font(conn, pattern);
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uint32_t background_color,
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text_color,
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border_color;
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if (client->container->currently_focused == client) {
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background_color = get_colorpixel(conn, client->frame, "#285577");
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text_color = get_colorpixel(conn, client->frame, "#ffffff");
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border_color = get_colorpixel(conn, client->frame, "#4c7899");
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} else {
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background_color = get_colorpixel(conn, client->frame, "#222222");
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text_color = get_colorpixel(conn, client->frame, "#888888");
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border_color = get_colorpixel(conn, client->frame, "#333333");
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}
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/* Our plan is the following:
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- Draw a rect around the whole client in background_color
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- Draw two lines in a lighter color
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- Draw the window’s title
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Note that xcb_image_text apparently adds 1xp border around the font? Can anyone confirm this?
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*/
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/* Draw a green rectangle around the window */
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mask = XCB_GC_FOREGROUND;
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values[0] = background_color;
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xcb_change_gc(conn, client->titlegc, mask, values);
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xcb_rectangle_t rect = {0, 0, client->width, client->height};
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xcb_poly_fill_rectangle(conn, client->frame, client->titlegc, 1, &rect);
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/* Draw the lines */
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/* TODO: this needs to be more beautiful somewhen. maybe stdarg + change_gc(gc, ...) ? */
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#define DRAW_LINE(colorpixel, x, y, to_x, to_y) { \
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uint32_t draw_values[1]; \
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draw_values[0] = colorpixel; \
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xcb_change_gc(conn, client->titlegc, XCB_GC_FOREGROUND, draw_values); \
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xcb_point_t points[] = {{x, y}, {to_x, to_y}}; \
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xcb_poly_line(conn, XCB_COORD_MODE_ORIGIN, client->frame, client->titlegc, 2, points); \
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}
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DRAW_LINE(border_color, 2, 0, client->width, 0);
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DRAW_LINE(border_color, 2, font->height + 3, 2 + client->width, font->height + 3);
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/* Draw the font */
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mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT;
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values[0] = text_color;
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values[1] = background_color;
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values[2] = font->id;
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xcb_change_gc(conn, client->titlegc, mask, values);
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/* TODO: utf8? */
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char *label;
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asprintf(&label, "(%08x) %.*s", client->frame, client->name_len, client->name);
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xcb_void_cookie_t text_cookie = xcb_image_text_8_checked(conn, strlen(label), client->frame,
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client->titlegc, 3 /* X */, font->height /* Y = baseline of font */, label);
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check_error(conn, text_cookie, "Could not draw client's title");
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free(label);
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}
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static void render_container(xcb_connection_t *connection, Container *container) {
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Client *client;
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i3Font *font = load_font(connection, pattern);
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if (container->mode == MODE_DEFAULT) {
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int num_clients = 0;
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CIRCLEQ_FOREACH(client, &(container->clients), clients)
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num_clients++;
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printf("got %d clients in this default container.\n", num_clients);
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int current_client = 0;
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CIRCLEQ_FOREACH(client, &(container->clients), clients) {
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/* TODO: at the moment, every column/row is screen / num_cols. This
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* needs to be changed to "percentage of the screen" by
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* default and adjustable by the user if necessary.
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*/
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/* Check if we changed client->x or client->y by updating it…
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* Note the bitwise OR instead of logical OR to force evaluation of both statements */
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if ((client->x != (client->x = container->x + (container->col * container->width))) |
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(client->y != (client->y = container->y + (container->row * container->height +
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(container->height / num_clients) * current_client)))) {
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printf("frame needs to be pushed to %dx%d\n", client->x, client->y);
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/* Note: We can use a pointer to client->x like an array of uint32_ts
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because it is followed by client->y by definition */
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xcb_configure_window(connection, client->frame,
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XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y, &(client->x));
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}
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/* TODO: vertical default layout */
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if ((client->width != (client->width = container->width)) |
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(client->height != (client->height = container->height / num_clients))) {
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xcb_configure_window(connection, client->frame,
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XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT,
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&(client->width));
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/* Adjust the position of the child inside its frame.
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* The coordinates of the child are relative to its frame, we
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* add a border of 2 pixel to each value */
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uint32_t mask = XCB_CONFIG_WINDOW_X |
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XCB_CONFIG_WINDOW_Y |
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XCB_CONFIG_WINDOW_WIDTH |
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XCB_CONFIG_WINDOW_HEIGHT;
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uint32_t values[4] = {2, /* x */
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font->height + 2 + 2, /* y */
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client->width - (2 + 2), /* width */
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client->height - ((font->height + 2 + 2) + 2)}; /* height */
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printf("child itself will be at %dx%d with size %dx%d\n",
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values[0], values[1], values[2], values[3]);
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xcb_configure_window(connection, client->child, mask, values);
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}
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decorate_window(connection, client);
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current_client++;
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}
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} else {
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/* TODO: Implement stacking */
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}
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}
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void render_layout(xcb_connection_t *conn) {
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int cols, rows;
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int screen;
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for (screen = 0; screen < num_screens; screen++) {
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printf("Rendering screen %d\n", screen);
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/* TODO: get the workspace which is active on the screen */
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int width = workspaces[screen].width;
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int height = workspaces[screen].height;
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printf("got %d rows and %d cols\n", c_ws->rows, c_ws->cols);
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printf("each of them therefore is %d px width and %d px height\n",
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width / c_ws->cols, height / c_ws->rows);
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/* Go through the whole table and render what’s necessary */
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for (cols = 0; cols < c_ws->cols; cols++)
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for (rows = 0; rows < c_ws->rows; rows++) {
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Container *con = CUR_TABLE[cols][rows];
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printf("container has %d colspan, %d rowspan\n",
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con->colspan, con->rowspan);
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/* Update position of the container */
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con->row = rows;
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con->col = cols;
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con->x = workspaces[screen].x;
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con->y = workspaces[screen].y;
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con->width = (width / c_ws->cols) * con->colspan;
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con->height = (height / c_ws->rows) * con->rowspan;
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/* Render it */
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render_container(conn, CUR_TABLE[cols][rows]);
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}
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}
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xcb_flush(conn);
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}
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