*
* i3 - an improved dynamic tiling window manager
*
- * (c) 2009 Michael Stapelberg and contributors
+ * © 2009 Michael Stapelberg and contributors
*
* See file LICENSE for license information.
*
#include "commands.h"
#include "data.h"
#include "font.h"
-
-static void set_focus(xcb_connection_t *conn, Client *client) {
- /* Update container */
- Client *old_client = client->container->currently_focused;
- client->container->currently_focused = client;
-
- current_col = client->container->col;
- current_row = client->container->row;
-
- /* Set focus to the entered window, and flush xcb buffer immediately */
- xcb_set_input_focus(conn, XCB_INPUT_FOCUS_NONE, client->child, XCB_CURRENT_TIME);
- /* Update last/current client’s titlebar */
- if (old_client != NULL)
- decorate_window(conn, old_client);
- decorate_window(conn, client);
- xcb_flush(conn);
-}
-
+#include "xcb.h"
+#include "util.h"
+#include "xinerama.h"
/*
* Due to bindings like Mode_switch + <a>, we need to bind some keys in XCB_GRAB_MODE_SYNC.
}
/*
- * There was a key press. We lookup the key symbol and see if there are any bindings
- * on that. This allows to do things like binding special characters (think of ä) to
- * functions to get one more modifier while not losing AltGr :-)
- * TODO: this description needs to be more understandable
+ * There was a key press. We compare this key code with our bindings table and pass
+ * the bound action to parse_command().
*
*/
int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_t *event) {
printf("state %d\n", event->state);
+ /* Remove the numlock bit, all other bits are modifiers we can bind to */
+ uint16_t state_filtered = event->state & ~XCB_MOD_MASK_LOCK;
+
/* Find the binding */
- /* TODO: event->state durch eine bitmask filtern und dann direkt vergleichen */
- Binding *bind, *best_match = TAILQ_END(&bindings);
- TAILQ_FOREACH(bind, &bindings, bindings) {
- if (bind->keycode == event->detail &&
- (bind->mods & event->state) == bind->mods) {
- if (best_match == TAILQ_END(&bindings) ||
- bind->mods > best_match->mods)
- best_match = bind;
- }
- }
+ Binding *bind;
+ TAILQ_FOREACH(bind, &bindings, bindings)
+ if (bind->keycode == event->detail && bind->mods == state_filtered)
+ break;
/* No match? Then it was an actively grabbed key, that is with Mode_switch, and
the user did not press Mode_switch, so just pass it… */
- if (best_match == TAILQ_END(&bindings)) {
+ if (bind == TAILQ_END(&bindings)) {
xcb_allow_events(conn, ReplayKeyboard, event->time);
xcb_flush(conn);
return 1;
}
+ parse_command(conn, bind->command);
if (event->state & 0x2) {
- printf("that's mode_switch\n");
- parse_command(conn, best_match->command);
- printf("ok, hiding this event.\n");
+ printf("Mode_switch -> allow_events(SyncKeyboard)\n");
xcb_allow_events(conn, SyncKeyboard, event->time);
xcb_flush(conn);
- return 1;
}
-
- parse_command(conn, best_match->command);
return 1;
}
*
*/
int handle_enter_notify(void *ignored, xcb_connection_t *conn, xcb_enter_notify_event_t *event) {
- printf("enter_notify\n");
+ printf("enter_notify for %08x\n", event->event);
/* This was either a focus for a client’s parent (= titlebar)… */
Client *client = table_get(byParent, event->event);
if (client == NULL)
client = table_get(byChild, event->event);
- /* If not, then this event is not interesting. This should not happen */
+ /* If not, then the user moved his cursor to the root window. In that case, we adjust c_ws */
if (client == NULL) {
- printf("DEBUG: Uninteresting enter_notify-event?\n");
+ printf("Getting screen at %d x %d\n", event->root_x, event->root_y);
+ i3Screen *screen = get_screen_containing(event->root_x, event->root_y);
+ if (screen == NULL) {
+ printf("ERROR: No such screen\n");
+ return 0;
+ }
+ c_ws = &workspaces[screen->current_workspace];
+ printf("We're now on virtual screen number %d\n", screen->num);
return 1;
}
+ /* When in stacking, enter notifications are ignored. Focus will be changed via keyboard only. */
+ if (client->container->mode == MODE_STACK)
+ return 1;
+
set_focus(conn, client);
return 1;
printf("button press!\n");
/* This was either a focus for a client’s parent (= titlebar)… */
Client *client = table_get(byChild, event->event);
- if (client == NULL)
+ bool border_click = false;
+ if (client == NULL) {
client = table_get(byParent, event->event);
+ border_click = true;
+ }
if (client == NULL)
return 1;
set_focus(conn, client);
/* Let’s see if this was on the borders (= resize). If not, we’re done */
- i3Font *font = load_font(conn, pattern);
printf("press button on x=%d, y=%d\n", event->event_x, event->event_y);
- if (event->event_y <= (font->height + 2))
+
+ Container *con = client->container,
+ *first = NULL,
+ *second = NULL;
+ enum { O_HORIZONTAL, O_VERTICAL } orientation = O_VERTICAL;
+
+ if (con == NULL) {
+ printf("dock. done.\n");
+ xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, event->time);
+ xcb_flush(conn);
+ return 1;
+ }
+
+ printf("event->event_x = %d, client->rect.width = %d\n", event->event_x, client->rect.width);
+
+ if (!border_click) {
+ printf("client. done.\n");
+ xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, event->time);
+ xcb_flush(conn);
return 1;
+ }
- printf("that was resize\n");
+ if (event->event_y < 2) {
+ /* This was a press on the top border */
+ if (con->row == 0)
+ return 1;
+ first = con->workspace->table[con->col][con->row-1];
+ second = con;
+ orientation = O_HORIZONTAL;
+ } else if (event->event_y >= (client->rect.height - 2)) {
+ /* …bottom border */
+ if (con->row == (con->workspace->rows-1))
+ return 1;
+ first = con;
+ second = con->workspace->table[con->col][con->row+1];
+ orientation = O_HORIZONTAL;
+ } else if (event->event_x < 2) {
+ /* …left border */
+ if (con->col == 0)
+ return 1;
+ first = con->workspace->table[con->col-1][con->row];
+ second = con;
+ } else if (event->event_x > 2) {
+ /* …right border */
+ if (con->col == (con->workspace->cols-1))
+ return 1;
+ first = con;
+ second = con->workspace->table[con->col+1][con->row];
+ }
/* Open a new window, the resizebar. Grab the pointer and move the window around
as the user moves the pointer. */
+ Rect grabrect = {0, 0, root_screen->width_in_pixels, root_screen->height_in_pixels};
+ xcb_window_t grabwin = create_window(conn, grabrect, XCB_WINDOW_CLASS_INPUT_ONLY, 0, NULL);
+
+ Rect helprect;
+ if (orientation == O_VERTICAL) {
+ helprect.x = event->root_x;
+ helprect.y = 0;
+ helprect.width = 2;
+ helprect.height = root_screen->height_in_pixels; /* this has to be the cell’s height */
+ } else {
+ helprect.x = 0;
+ helprect.y = event->root_y;
+ helprect.width = root_screen->width_in_pixels; /* this has to be the cell’s width*/
+ helprect.height = 2;
+ }
+ xcb_window_t helpwin = create_window(conn, helprect, XCB_WINDOW_CLASS_INPUT_OUTPUT, 0, NULL);
+ uint32_t values[1] = {get_colorpixel(conn, NULL, helpwin, "#4c7899")};
+ xcb_void_cookie_t cookie = xcb_change_window_attributes_checked(conn, helpwin, XCB_CW_BACK_PIXEL, values);
+ check_error(conn, cookie, "Could not change window attributes (background color)");
- /* TODO: the whole logic is missing. this is just a proof of concept */
- xcb_window_t grabwin = xcb_generate_id(conn);
-
- uint32_t mask = 0;
- uint32_t values[3];
-
- xcb_create_window(conn,
- 0,
- grabwin,
- root,
- 0, /* x */
- 0, /* y */
- root_screen->width_in_pixels, /* width */
- root_screen->height_in_pixels, /* height */
- /* border_width */ 0,
- XCB_WINDOW_CLASS_INPUT_ONLY,
- root_screen->root_visual,
- 0,
- values);
-
- /* Map the window on the screen (= make it visible) */
- xcb_map_window(conn, grabwin);
-
- xcb_window_t helpwin = xcb_generate_id(conn);
-
- mask = XCB_CW_BACK_PIXEL;
- values[0] = root_screen->white_pixel;
- xcb_create_window(conn, root_screen->root_depth, helpwin, root,
- event->root_x,
- 0,
- 5,
- root_screen->height_in_pixels,
- /* bordor */ 0,
- XCB_WINDOW_CLASS_INPUT_OUTPUT,
- root_screen->root_visual,
- mask,
- values);
-
- xcb_map_window(conn, helpwin);
xcb_circulate_window(conn, XCB_CIRCULATE_RAISE_LOWEST, helpwin);
xcb_grab_pointer(conn, false, root, XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_POINTER_MOTION,
/* Same as get_event_handler in xcb */
int nr = inside_event->response_type;
if (nr == 0) {
+ /* An error occured */
handle_event(NULL, conn, inside_event);
+ free(inside_event);
continue;
}
assert(nr < 256);
nr &= XCB_EVENT_RESPONSE_TYPE_MASK;
assert(nr >= 2);
- /* Check if we need to escape this loop… */
+ /* Check if we need to escape this loop */
if (nr == XCB_BUTTON_RELEASE)
break;
switch (nr) {
case XCB_MOTION_NOTIFY:
- values[0] = ((xcb_motion_notify_event_t*)inside_event)->root_x;
- xcb_configure_window(conn, helpwin, XCB_CONFIG_WINDOW_X, values);
+ if (orientation == O_VERTICAL) {
+ values[0] = ((xcb_motion_notify_event_t*)inside_event)->root_x;
+ xcb_configure_window(conn, helpwin, XCB_CONFIG_WINDOW_X, values);
+ } else {
+ values[0] = ((xcb_motion_notify_event_t*)inside_event)->root_y;
+ xcb_configure_window(conn, helpwin, XCB_CONFIG_WINDOW_Y, values);
+ }
+
xcb_flush(conn);
break;
case XCB_EXPOSE:
printf("Ignoring event of type %d\n", nr);
break;
}
- printf("---\n");
free(inside_event);
}
xcb_destroy_window(conn, grabwin);
xcb_flush(conn);
+ Workspace *ws = con->workspace;
+ if (orientation == O_VERTICAL) {
+ printf("Resize was from X = %d to X = %d\n", event->root_x, values[0]);
+
+ /* Convert 0 (for default width_factor) to actual numbers */
+ if (first->width_factor == 0)
+ first->width_factor = ((float)ws->rect.width / ws->cols) / ws->rect.width;
+ if (second->width_factor == 0)
+ second->width_factor = ((float)ws->rect.width / ws->cols) / ws->rect.width;
+
+ first->width_factor *= (float)(first->width + (values[0] - event->root_x)) / first->width;
+ second->width_factor *= (float)(second->width - (values[0] - event->root_x)) / second->width;
+ } else {
+ printf("Resize was from Y = %d to Y = %d\n", event->root_y, values[0]);
+
+ /* Convert 0 (for default height_factor) to actual numbers */
+ if (first->height_factor == 0)
+ first->height_factor = ((float)ws->rect.height / ws->rows) / ws->rect.height;
+ if (second->height_factor == 0)
+ second->height_factor = ((float)ws->rect.height / ws->rows) / ws->rect.height;
+
+ first->height_factor *= (float)(first->height + (values[0] - event->root_y)) / first->height;
+ second->height_factor *= (float)(second->height - (values[0] - event->root_y)) / second->height;
+ }
+
+ render_layout(conn);
+
return 1;
}
+/*
+ * A new window appeared on the screen (=was mapped), so let’s manage it.
+ *
+ */
int handle_map_notify_event(void *prophs, xcb_connection_t *conn, xcb_map_notify_event_t *event) {
window_attributes_t wa = { TAG_VALUE };
wa.u.override_redirect = event->override_redirect;
*
*/
int handle_unmap_notify_event(void *data, xcb_connection_t *c, xcb_unmap_notify_event_t *e) {
- Client *client = table_remove(byChild, e->event);
- xcb_window_t root;
+ xcb_window_t root = xcb_setup_roots_iterator(xcb_get_setup(c)).data->root;
+
+ Client *client = table_get(byChild, e->window);
+ /* First, we need to check if the client is awaiting an unmap-request which
+ was generated by us reparenting the window. In that case, we just ignore it. */
+ if (client != NULL && client->awaiting_useless_unmap) {
+ printf("Dropping this unmap request, it was generated by reparenting\n");
+ client->awaiting_useless_unmap = false;
+ return 1;
+ }
+ client = table_remove(byChild, e->window);
+
printf("UnmapNotify for 0x%08x (received from 0x%08x): ", e->window, e->event);
- if(!client)
- {
+ if (client == NULL) {
printf("not a managed window. Ignoring.\n");
return 0;
}
- int rows, cols;
- Client *con_client;
- /* TODO: clear this up */
- for (cols = 0; cols < c_ws->cols; cols++)
- for (rows = 0; rows < c_ws->rows; rows++)
- CIRCLEQ_FOREACH(con_client, &(CUR_TABLE[cols][rows]->clients), clients)
- if (con_client == client) {
- printf("removing from container\n");
- if (client->container->currently_focused == client)
- client->container->currently_focused = NULL;
- CIRCLEQ_REMOVE(&(CUR_TABLE[cols][rows]->clients), con_client, clients);
- break;
- }
-
-
+ if (client->container != NULL) {
+ Client *to_focus = CIRCLEQ_NEXT_OR_NULL(&(client->container->clients), client, clients);
+ if (to_focus == NULL)
+ to_focus = CIRCLEQ_PREV_OR_NULL(&(client->container->clients), client, clients);
+ if (client->container->currently_focused == client)
+ client->container->currently_focused = to_focus;
+ CIRCLEQ_REMOVE(&(client->container->clients), client, clients);
+ if (to_focus != NULL)
+ set_focus(c, to_focus);
+ }
- root = xcb_setup_roots_iterator(xcb_get_setup(c)).data->root;
printf("child of 0x%08x.\n", client->frame);
xcb_reparent_window(c, client->child, root, 0, 0);
xcb_destroy_window(c, client->frame);
xcb_flush(c);
table_remove(byParent, client->frame);
+
+ cleanup_table(client->container->workspace);
+
free(client);
render_layout(c);
strncpy(client->name, xcb_get_property_value(prop), client->name_len);
printf("rename to \"%.*s\".\n", client->name_len, client->name);
- decorate_window(conn, client);
+ decorate_window(conn, client, client->frame, client->titlegc, 0);
xcb_flush(conn);
return 1;
*
*/
int handle_expose_event(void *data, xcb_connection_t *conn, xcb_expose_event_t *e) {
- printf("handle_expose_event()\n");
+ printf("got expose_event\n");
+ /* e->count is the number of minimum remaining expose events for this window, so we
+ skip all events but the last one */
+ if (e->count != 0)
+ return 1;
+
Client *client = table_get(byParent, e->window);
- if(!client || e->count != 0)
+ if (client == NULL) {
+ /* There was no client in the table, so this is probably an expose event for
+ one of our stack_windows. */
+ struct Stack_Window *stack_win;
+ SLIST_FOREACH(stack_win, &stack_wins, stack_windows)
+ if (stack_win->window == e->window) {
+ render_container(conn, stack_win->container);
+ return 1;
+ }
return 1;
- decorate_window(conn, client);
+ }
+
+ printf("handle_expose_event()\n");
+ if (client->container->mode != MODE_STACK)
+ decorate_window(conn, client, client->frame, client->titlegc, 0);
+ return 1;
+}
+
+/*
+ * Handle client messages (EWMH)
+ *
+ */
+int handle_client_message(void *data, xcb_connection_t *conn, xcb_client_message_event_t *event) {
+ printf("client_message\n");
+
+ if (event->type == atoms[_NET_WM_STATE]) {
+ if (event->format != 32 || event->data.data32[1] != atoms[_NET_WM_STATE_FULLSCREEN])
+ return 0;
+
+ printf("fullscreen\n");
+
+ Client *client = table_get(byChild, event->window);
+ if (client == NULL)
+ return 0;
+
+ /* Check if the fullscreen state should be toggled */
+ if ((client->fullscreen &&
+ (event->data.data32[0] == _NET_WM_STATE_REMOVE ||
+ event->data.data32[0] == _NET_WM_STATE_TOGGLE)) ||
+ (!client->fullscreen &&
+ (event->data.data32[0] == _NET_WM_STATE_ADD ||
+ event->data.data32[0] == _NET_WM_STATE_TOGGLE)))
+ toggle_fullscreen(conn, client);
+ } else {
+ printf("unhandled clientmessage\n");
+ return 0;
+ }
+
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");
+ return 0;
+}