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Correctly handle _NET_WM_WINDOW_TYPE == _NET_WM_WINDOW_TYPE_DOCK (for dzen2 -dock)

This commit is contained in:
Michael Stapelberg 2009-02-23 00:18:13 +01:00
parent a19072b714
commit 1a0817eb39
8 changed files with 162 additions and 37 deletions
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14
include/data.h
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@ -63,6 +63,9 @@ struct Workspace {
Client *fullscreen_client;
/* Contains all clients with _NET_WM_WINDOW_TYPE == _NET_WM_WINDOW_TYPE_DOCK */
SLIST_HEAD(dock_clients_head, Client) dock_clients;
/* Backpointer to the screen this workspace is on */
i3Screen *screen;
@ -125,6 +128,10 @@ struct Client {
/* x, y, width, height */
Rect rect;
/* Height which was determined by reading the _NET_WM_STRUT_PARTIAL top/bottom of the screen
reservation */
int desired_height;
/* Name */
char *name;
int name_len;
@ -132,6 +139,12 @@ struct Client {
/* fullscreen is pretty obvious */
bool fullscreen;
enum { TITLEBAR_TOP = 0, TITLEBAR_LEFT, TITLEBAR_RIGHT, TITLEBAR_BOTTOM, TITLEBAR_OFF } titlebar_position;
/* If a client is set as a dock, it is placed at the very bottom of the screen and its
requested size is used */
bool dock;
/* After leaving fullscreen mode, a client needs to be reconfigured (configuration =
setting X, Y, width and height). By setting the force_reconfigure flag, render_layout()
will reconfigure the client. */
@ -148,6 +161,7 @@ struct Client {
/* The following entry provides the necessary list pointers to use Client with LIST_* macros */
CIRCLEQ_ENTRY(Client) clients;
SLIST_ENTRY(Client) dock_clients;
};
/*

1
include/handlers.h
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@ -20,5 +20,6 @@ int handle_windowname_change(void *data, xcb_connection_t *conn, uint8_t state,
xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop);
int handle_expose_event(void *data, xcb_connection_t *conn, xcb_expose_event_t *event);
int handle_client_message(void *data, xcb_connection_t *conn, xcb_client_message_event_t *event);
int window_type_handler(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *property);
#endif

2
include/i3.h
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@ -23,6 +23,6 @@ extern TAILQ_HEAD(bindings_head, Binding) bindings;
extern xcb_event_handlers_t evenths;
extern char *pattern;
extern int num_screens;
extern xcb_atom_t atoms[6];
extern xcb_atom_t atoms[9];
#endif

14
include/xcb.h
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@ -16,11 +16,15 @@
#define _NET_WM_STATE_TOGGLE 2
enum { _NET_SUPPORTED = 0,
_NET_SUPPORTING_WM_CHECK = 1,
_NET_WM_NAME = 2,
_NET_WM_STATE_FULLSCREEN = 3,
_NET_WM_STATE = 4,
UTF8_STRING = 5
_NET_SUPPORTING_WM_CHECK,
_NET_WM_NAME,
_NET_WM_STATE_FULLSCREEN,
_NET_WM_STATE,
_NET_WM_WINDOW_TYPE,
_NET_WM_WINDOW_TYPE_DOCK,
_NET_WM_DESKTOP,
_NET_WM_STRUT_PARTIAL,
UTF8_STRING
};
uint32_t get_colorpixel(xcb_connection_t *conn, xcb_window_t window, char *hex);

7
src/handlers.c
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@ -377,3 +377,10 @@ int handle_client_message(void *data, xcb_connection_t *conn, xcb_client_message
return 1;
}
int window_type_handler(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
xcb_atom_t atom, xcb_get_property_reply_t *property) {
/* TODO: Implement this one. To do this, implement a little test program which sleep(1)s
before changing this property. */
printf("_NET_WM_WINDOW_TYPE changed, this is not yet implemented.\n");
}

115
src/layout.c
View File

@ -128,18 +128,73 @@ void decorate_window(xcb_connection_t *conn, Client *client) {
free(label);
}
/*
* Pushes the client’s x and y coordinates to X11
*
*/
static void reposition_client(xcb_connection_t *connection, Client *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));
}
/*
* Pushes the client’s width/height to X11 and resizes the child window
*
*/
static void resize_client(xcb_connection_t *connection, Client *client) {
i3Font *font = load_font(connection, pattern);
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;
Rect rect;
if (client->titlebar_position == TITLEBAR_OFF) {
rect.x = 0;
rect.y = 0;
rect.width = client->rect.width;
rect.height = client->rect.height;
} 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);
}
printf("child will be at %dx%d with size %dx%d\n", rect.x, rect.y, rect.width, rect.height);
xcb_configure_window(connection, client->child, mask, &(rect.x));
}
static void render_container(xcb_connection_t *connection, Container *container) {
Client *client;
i3Font *font = load_font(connection, pattern);
if (container->mode == MODE_DEFAULT) {
int num_clients = 0;
CIRCLEQ_FOREACH(client, &(container->clients), clients)
num_clients++;
if (!client->dock)
num_clients++;
printf("got %d clients in this default container.\n", num_clients);
int current_client = 0;
CIRCLEQ_FOREACH(client, &(container->clients), clients) {
/* TODO: currently, clients are assigned to the current container.
Therefore, we need to skip them here. Does anything harmful happen
if clients *do not* have a container. Is this the more desired
situation? Let’s find out… */
if (client->dock)
continue;
/* 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.
@ -151,38 +206,14 @@ static void render_container(xcb_connection_t *connection, Container *container)
(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));
reposition_client(connection, 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);
resize_client(connection, client);
}
if (client->force_reconfigure)
@ -195,6 +226,24 @@ static void render_container(xcb_connection_t *connection, Container *container)
}
}
static void render_bars(xcb_connection_t *connection, Workspace *r_ws, int width, int height) {
Client *client;
SLIST_FOREACH(client, &(r_ws->dock_clients), dock_clients) {
if (client->force_reconfigure |
(client->rect.x != (client->rect.x = 0)) |
(client->rect.y != (client->rect.y = height)))
reposition_client(connection, client);
if (client->force_reconfigure |
(client->rect.width != (client->rect.width = width)) |
(client->rect.height != (client->rect.height = client->desired_height)))
resize_client(connection, client);
client->force_reconfigure = false;
height += client->desired_height;
}
}
void render_layout(xcb_connection_t *connection) {
i3Screen *screen;
@ -206,11 +255,19 @@ void render_layout(xcb_connection_t *connection) {
if (r_ws->fullscreen_client != NULL)
/* This is easy: A client has entered fullscreen mode, so we don’t render at all */
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;
Client *client;
SLIST_FOREACH(client, &(r_ws->dock_clients), dock_clients) {
printf("got dock client: %p\n", client);
printf("it wants to be this height: %d\n", client->desired_height);
height -= client->desired_height;
}
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);
@ -240,6 +297,8 @@ void render_layout(xcb_connection_t *connection) {
x += container->width;
}
render_bars(connection, r_ws, width, height);
}
xcb_flush(connection);

45
src/mainx.c
View File

@ -50,7 +50,7 @@ TAILQ_HEAD(bindings_head, Binding) bindings = TAILQ_HEAD_INITIALIZER(bindings);
xcb_event_handlers_t evenths;
xcb_window_t root_win;
xcb_atom_t atoms[6];
xcb_atom_t atoms[9];
char *pattern = "-misc-fixed-medium-r-normal--13-120-75-75-C-70-iso8859-1";
@ -122,6 +122,12 @@ void reparent_window(xcb_connection_t *conn, xcb_window_t child,
xcb_visualid_t visual, xcb_window_t root, uint8_t depth,
int16_t x, int16_t y, uint16_t width, uint16_t height) {
xcb_get_property_cookie_t wm_type_cookie, strut_cookie;
/* Place requests for propertys ASAP */
wm_type_cookie = xcb_get_any_property_unchecked(conn, false, child, atoms[_NET_WM_WINDOW_TYPE], UINT32_MAX);
strut_cookie = xcb_get_any_property_unchecked(conn, false, child, atoms[_NET_WM_STRUT_PARTIAL], UINT32_MAX);
Client *new = table_get(byChild, child);
if (new == NULL) {
/* TODO: When does this happen for existing clients? Is that a bug? */
@ -206,6 +212,32 @@ void reparent_window(xcb_connection_t *conn, xcb_window_t child,
/* Focus the new window */
xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, new->child, XCB_CURRENT_TIME);
/* Get _NET_WM_WINDOW_TYPE (to see if it’s a dock) */
xcb_atom_t *atom;
xcb_get_property_reply_t *preply = xcb_get_property_reply(conn, wm_type_cookie, NULL);
if (preply != NULL && preply->value_len > 0 && (atom = xcb_get_property_value(preply))) {
for (int i = 0; i < xcb_get_property_value_length(preply); i++)
if (atom[i] == atoms[_NET_WM_WINDOW_TYPE_DOCK]) {
printf("Window is a dock.\n");
new->dock = true;
new->titlebar_position = TITLEBAR_OFF;
new->force_reconfigure = true;
SLIST_INSERT_HEAD(&(new->container->workspace->dock_clients), new, dock_clients);
}
}
/* Get _NET_WM_STRUT_PARTIAL to determine the client’s requested height */
uint32_t *strut;
preply = xcb_get_property_reply(conn, strut_cookie, NULL);
if (preply != NULL && preply->value_len > 0 && (strut = xcb_get_property_value(preply))) {
/* We only use a subset of the provided values, namely the reserved space at the top/bottom
of the screen. This is because the only possibility for bars is at to be at the top/bottom
with maximum horizontal size.
TODO: bars at the top */
new->desired_height = strut[3];
printf("the client wants to be %d pixels height\n", new->desired_height);
}
render_layout(conn);
}
@ -328,10 +360,17 @@ int main(int argc, char *argv[], char *env[]) {
GET_ATOM(_NET_WM_STATE_FULLSCREEN);
GET_ATOM(_NET_SUPPORTING_WM_CHECK);
GET_ATOM(_NET_WM_NAME);
GET_ATOM(UTF8_STRING);
GET_ATOM(_NET_WM_STATE);
GET_ATOM(_NET_WM_WINDOW_TYPE);
GET_ATOM(_NET_WM_DESKTOP);
GET_ATOM(_NET_WM_WINDOW_TYPE_DOCK);
GET_ATOM(_NET_WM_STRUT_PARTIAL);
GET_ATOM(UTF8_STRING);
check_error(c, xcb_change_property_checked(c, XCB_PROP_MODE_REPLACE, root, atoms[_NET_SUPPORTED], ATOM, 32, 5, atoms), "Could not set _NET_SUPPORTED");
xcb_property_set_handler(&prophs, atoms[_NET_WM_WINDOW_TYPE], UINT_MAX, window_type_handler, NULL);
/* TODO: In order to comply with EWMH, we have to watch _NET_WM_STRUT_PARTIAL */
check_error(c, xcb_change_property_checked(c, XCB_PROP_MODE_REPLACE, root, atoms[_NET_SUPPORTED], ATOM, 32, 7, atoms), "Could not set _NET_SUPPORTED");
xcb_change_property(c, XCB_PROP_MODE_REPLACE, root, atoms[_NET_SUPPORTING_WM_CHECK], WINDOW, 32, 1, &root);

1
src/table.c
View File

@ -39,6 +39,7 @@ void init_table() {
for (int i = 0; i < 10; i++) {
workspaces[i].screen = NULL;
SLIST_INIT(&(workspaces[i].dock_clients));
expand_table_cols(&(workspaces[i]));
expand_table_rows(&(workspaces[i]));
}