133 lines
4.7 KiB
C
133 lines
4.7 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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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <sys/wait.h>
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#include "i3.h"
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#include "data.h"
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#include "table.h"
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#include "layout.h"
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/*
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* Starts the given application by passing it through a shell. We use double fork
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* to avoid zombie processes. As the started application’s parent exits (immediately),
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* the application is reparented to init (process-id 1), which correctly handles
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* childs, so we don’t have to do it :-).
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*
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* The shell is determined by looking for the SHELL environment variable. If it
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* does not exist, /bin/sh is used.
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*
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*/
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void start_application(const char *command) {
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if (fork() == 0) {
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/* Child process */
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if (fork() == 0) {
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/* Stores the path of the shell */
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static const char *shell = NULL;
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if (shell == NULL)
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if ((shell = getenv("SHELL")) == NULL)
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shell = "/bin/sh";
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/* This is the child */
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execl(shell, shell, "-c", command, NULL);
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/* not reached */
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}
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exit(0);
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}
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wait(0);
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}
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/*
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* Checks a generic cookie for errors and quits with the given message if there
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* was an error.
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*
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*/
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void check_error(xcb_connection_t *connection, xcb_void_cookie_t cookie, char *err_message) {
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xcb_generic_error_t *error = xcb_request_check(connection, cookie);
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if (error != NULL) {
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fprintf(stderr, "ERROR: %s : %d\n", err_message , error->error_code);
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xcb_disconnect(connection);
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exit(-1);
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}
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}
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/*
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* Sets the given client as focused by updating the data structures correctly,
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* updating the X input focus and finally re-decorating both windows (to signalize
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* the user the new focus situation)
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*
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*/
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void set_focus(xcb_connection_t *conn, Client *client) {
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/* Update container */
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Client *old_client = client->container->currently_focused;
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client->container->currently_focused = client;
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current_col = client->container->col;
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current_row = client->container->row;
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/* Set focus to the entered window, and flush xcb buffer immediately */
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xcb_set_input_focus(conn, XCB_INPUT_FOCUS_NONE, client->child, XCB_CURRENT_TIME);
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/* Update last/current client’s titlebar */
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if (old_client != NULL)
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decorate_window(conn, old_client);
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decorate_window(conn, client);
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xcb_flush(conn);
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}
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/*
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* Toggles fullscreen mode for the given client. It updates the data structures and
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* reconfigures (= resizes/moves) the client and its frame to the full size of the
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* screen. When leaving fullscreen, re-rendering the layout is forced.
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*
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*/
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void toggle_fullscreen(xcb_connection_t *conn, Client *client) {
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Workspace *workspace = client->container->workspace;
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workspace->fullscreen_client = (client->fullscreen ? NULL : client);
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client->fullscreen = !client->fullscreen;
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if (client->fullscreen) {
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printf("Entering fullscreen mode...\n");
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/* We just entered fullscreen mode, let’s configure the window */
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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] = {workspace->x,
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workspace->y,
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workspace->width,
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workspace->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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/* Raise the window */
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xcb_circulate_window(conn, XCB_CIRCULATE_RAISE_LOWEST, client->frame);
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xcb_configure_window(conn, client->frame, mask, values);
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xcb_configure_window(conn, client->child, mask, values);
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xcb_flush(conn);
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} else {
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printf("left fullscreen\n");
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/* Because the coordinates of the window haven’t changed, it would not be
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re-configured if we don’t set the following flag */
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client->force_reconfigure = true;
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/* We left fullscreen mode, redraw the layout */
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render_layout(conn);
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}
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}
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