X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;ds=sidebyside;f=src%2Fhandlers.c;h=583b0c5a46443ab45c0be6be14c94a7f64eb0ebc;hb=ac335fcffa06417fe190df97b8fc749f20da0523;hp=516bb88ad1a77038c5afd74e77e5ffd5054c9194;hpb=775d3a0d9152699118a03aa8207e247a89f3082b;p=i3%2Fi3 diff --git a/src/handlers.c b/src/handlers.c index 516bb88a..583b0c5a 100644 --- a/src/handlers.c +++ b/src/handlers.c @@ -1,155 +1,112 @@ /* - * vim:ts=8:expandtab + * vim:ts=4:sw=4:expandtab * * i3 - an improved dynamic tiling window manager - * - * © 2009 Michael Stapelberg and contributors - * - * See file LICENSE for license information. + * © 2009-2010 Michael Stapelberg and contributors (see also: LICENSE) * */ -#include -#include -#include -#include #include +#include -#include -#include -#include +#include #include -#include "i3.h" -#include "debug.h" -#include "table.h" -#include "layout.h" -#include "commands.h" -#include "data.h" -#include "xcb.h" -#include "util.h" -#include "xinerama.h" -#include "config.h" -#include "queue.h" -#include "resize.h" -#include "client.h" -#include "manage.h" -#include "floating.h" -#include "workspace.h" +#include "all.h" + +int randr_base = -1; /* After mapping/unmapping windows, a notify event is generated. However, we don’t want it, since it’d trigger an infinite loop of switching between the different windows when changing workspaces */ static SLIST_HEAD(ignore_head, Ignore_Event) ignore_events; -static void add_ignore_event(const int sequence) { - struct Ignore_Event *event = smalloc(sizeof(struct Ignore_Event)); +void add_ignore_event(const int sequence, const int response_type) { + struct Ignore_Event *event = smalloc(sizeof(struct Ignore_Event)); - event->sequence = sequence; - event->added = time(NULL); + event->sequence = sequence; + event->response_type = response_type; + event->added = time(NULL); - SLIST_INSERT_HEAD(&ignore_events, event, ignore_events); + SLIST_INSERT_HEAD(&ignore_events, event, ignore_events); } /* * Checks if the given sequence is ignored and returns true if so. * */ -static bool event_is_ignored(const int sequence) { - struct Ignore_Event *event; - time_t now = time(NULL); - for (event = SLIST_FIRST(&ignore_events); event != SLIST_END(&ignore_events);) { - if ((now - event->added) > 5) { - struct Ignore_Event *save = event; - event = SLIST_NEXT(event, ignore_events); - SLIST_REMOVE(&ignore_events, save, Ignore_Event, ignore_events); - free(save); - } else event = SLIST_NEXT(event, ignore_events); - } - - SLIST_FOREACH(event, &ignore_events, ignore_events) { - if (event->sequence == sequence) { - SLIST_REMOVE(&ignore_events, event, Ignore_Event, ignore_events); - free(event); - return true; - } - } - - return false; +static bool event_is_ignored(const int sequence, const int response_type) { + struct Ignore_Event *event; + time_t now = time(NULL); + for (event = SLIST_FIRST(&ignore_events); event != SLIST_END(&ignore_events);) { + if ((now - event->added) > 5) { + struct Ignore_Event *save = event; + event = SLIST_NEXT(event, ignore_events); + SLIST_REMOVE(&ignore_events, save, Ignore_Event, ignore_events); + free(save); + } else event = SLIST_NEXT(event, ignore_events); + } + + SLIST_FOREACH(event, &ignore_events, ignore_events) { + if (event->sequence != sequence) + continue; + + if (event->response_type != 0 && + event->response_type != response_type) + continue; + + /* instead of removing a sequence number we better wait until it gets + * garbage collected. it may generate multiple events (there are multiple + * enter_notifies for one configure_request, for example). */ + //SLIST_REMOVE(&ignore_events, event, Ignore_Event, ignore_events); + //free(event); + return true; + } + + return false; } -/* - * Due to bindings like Mode_switch + , we need to bind some keys in XCB_GRAB_MODE_SYNC. - * Therefore, we just replay all key presses. - * - */ -int handle_key_release(void *ignored, xcb_connection_t *conn, xcb_key_release_event_t *event) { - xcb_allow_events(conn, XCB_ALLOW_REPLAY_KEYBOARD, event->time); - xcb_flush(conn); - return 1; -} /* * 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) { - LOG("Keypress %d, state raw = %d\n", event->detail, event->state); - - /* Remove the numlock bit, all other bits are modifiers we can bind to */ - uint16_t state_filtered = event->state & ~(xcb_numlock_mask | XCB_MOD_MASK_LOCK); - LOG("(removed numlock, state = %d)\n", state_filtered); - /* Only use the lower 8 bits of the state (modifier masks) so that mouse - * button masks are filtered out */ - state_filtered &= 0xFF; - LOG("(removed upper 8 bits, state = %d)\n", state_filtered); - - /* We need to get the keysym group (There are group 1 to group 4, each holding - two keysyms (without shift and with shift) using Xkb because X fails to - provide them reliably (it works in Xephyr, it does not in real X) */ - XkbStateRec state; - if (XkbGetState(xkbdpy, XkbUseCoreKbd, &state) == Success && (state.group+1) == 2) - state_filtered |= BIND_MODE_SWITCH; - - LOG("(checked mode_switch, state %d)\n", state_filtered); - - /* Find the binding */ - Binding *bind; - TAILQ_FOREACH(bind, &bindings, bindings) { - /* First compare the modifiers */ - if (bind->mods != state_filtered) - continue; - - /* If a symbol was specified by the user, we need to look in - * the array of translated keycodes for the event’s keycode */ - if (bind->symbol != NULL) { - if (memmem(bind->translated_to, - bind->number_keycodes * sizeof(xcb_keycode_t), - &(event->detail), sizeof(xcb_keycode_t)) != NULL) - break; - } else { - /* This case is easier: The user specified a keycode */ - if (bind->keycode == event->detail) - 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 (bind == TAILQ_END(&bindings)) { - xcb_allow_events(conn, ReplayKeyboard, event->time); - xcb_flush(conn); - return 1; +static int handle_key_press(xcb_key_press_event_t *event) { + DLOG("Keypress %d, state raw = %d\n", event->detail, event->state); + + /* Remove the numlock bit, all other bits are modifiers we can bind to */ + uint16_t state_filtered = event->state & ~(xcb_numlock_mask | XCB_MOD_MASK_LOCK); + DLOG("(removed numlock, state = %d)\n", state_filtered); + /* Only use the lower 8 bits of the state (modifier masks) so that mouse + * button masks are filtered out */ + state_filtered &= 0xFF; + DLOG("(removed upper 8 bits, state = %d)\n", state_filtered); + + if (xkb_current_group == XkbGroup2Index) + state_filtered |= BIND_MODE_SWITCH; + + DLOG("(checked mode_switch, state %d)\n", state_filtered); + + /* Find the binding */ + Binding *bind = get_binding(state_filtered, event->detail); + + /* No match? Then the user has Mode_switch enabled but does not have a + * specific keybinding. Fall back to the default keybindings (without + * Mode_switch). Makes it much more convenient for users of a hybrid + * layout (like us, ru). */ + if (bind == NULL) { + state_filtered &= ~(BIND_MODE_SWITCH); + DLOG("no match, new state_filtered = %d\n", state_filtered); + if ((bind = get_binding(state_filtered, event->detail)) == NULL) { + ELOG("Could not lookup key binding (modifiers %d, keycode %d)\n", + state_filtered, event->detail); + return 1; } + } - parse_command(conn, bind->command); - if (state_filtered & BIND_MODE_SWITCH) { - LOG("Mode_switch -> allow_events(SyncKeyboard)\n"); - xcb_allow_events(conn, SyncKeyboard, event->time); - xcb_flush(conn); - } - return 1; + parse_cmd(bind->command); + return 1; } /* @@ -159,82 +116,100 @@ int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_ * */ static void check_crossing_screen_boundary(uint32_t x, uint32_t y) { - i3Screen *screen; + Output *output; - if ((screen = get_screen_containing(x, y)) == NULL) { - LOG("ERROR: No such screen\n"); - return; - } - if (screen == c_ws->screen) - return; - - c_ws->current_row = current_row; - c_ws->current_col = current_col; - c_ws = &workspaces[screen->current_workspace]; - current_row = c_ws->current_row; - current_col = c_ws->current_col; - LOG("We're now on virtual screen number %d\n", screen->num); + /* If the user disable focus follows mouse, we have nothing to do here */ + if (config.disable_focus_follows_mouse) + return; + + if ((output = get_output_containing(x, y)) == NULL) { + ELOG("ERROR: No such screen\n"); + return; + } + + if (output->con == NULL) { + ELOG("ERROR: The screen is not recognized by i3 (no container associated)\n"); + return; + } + + /* Focus the output on which the user moved his cursor */ + Con *old_focused = focused; + con_focus(con_descend_focused(output_get_content(output->con))); + + /* If the focus changed, we re-render to get updated decorations */ + if (old_focused != focused) + tree_render(); } /* * When the user moves the mouse pointer onto a window, this callback gets called. * */ -int handle_enter_notify(void *ignored, xcb_connection_t *conn, xcb_enter_notify_event_t *event) { - LOG("enter_notify for %08x, mode = %d, detail %d, serial %d\n", event->event, event->mode, event->detail, event->sequence); - if (event->mode != XCB_NOTIFY_MODE_NORMAL) { - LOG("This was not a normal notify, ignoring\n"); - return 1; - } - /* Some events are not interesting, because they were not generated actively by the - user, but by reconfiguration of windows */ - if (event_is_ignored(event->sequence)) - return 1; - - /* This was either a focus for a client’s parent (= titlebar)… */ - Client *client = table_get(&by_parent, event->event); - /* …or the client itself */ - if (client == NULL) - client = table_get(&by_child, event->event); - - /* Check for stack windows */ - if (client == NULL) { - struct Stack_Window *stack_win; - SLIST_FOREACH(stack_win, &stack_wins, stack_windows) - if (stack_win->window == event->event) { - client = stack_win->container->currently_focused; - break; - } - } - - - /* If not, then the user moved his cursor to the root window. In that case, we adjust c_ws */ - if (client == NULL) { - LOG("Getting screen at %d x %d\n", event->root_x, event->root_y); - check_crossing_screen_boundary(event->root_x, event->root_y); - return 1; - } - - /* Do plausibility checks: This event may be useless for us if it occurs on a window - which is in a stacked container but not the focused one */ - if (client->container != NULL && - client->container->mode == MODE_STACK && - client->container->currently_focused != client) { - LOG("Plausibility check says: no\n"); - return 1; - } +static int handle_enter_notify(xcb_enter_notify_event_t *event) { + Con *con; + + DLOG("enter_notify for %08x, mode = %d, detail %d, serial %d\n", + event->event, event->mode, event->detail, event->sequence); + DLOG("coordinates %d, %d\n", event->event_x, event->event_y); + if (event->mode != XCB_NOTIFY_MODE_NORMAL) { + DLOG("This was not a normal notify, ignoring\n"); + return 1; + } + /* Some events are not interesting, because they were not generated + * actively by the user, but by reconfiguration of windows */ + if (event_is_ignored(event->sequence, XCB_ENTER_NOTIFY)) { + DLOG("Event ignored\n"); + return 1; + } + + bool enter_child = false; + /* Get container by frame or by child window */ + if ((con = con_by_frame_id(event->event)) == NULL) { + con = con_by_window_id(event->event); + enter_child = true; + } + + /* If not, then the user moved his cursor to the root window. In that case, we adjust c_ws */ + if (con == NULL) { + DLOG("Getting screen at %d x %d\n", event->root_x, event->root_y); + check_crossing_screen_boundary(event->root_x, event->root_y); + return 1; + } - if (client->workspace != c_ws && client->workspace->screen == c_ws->screen) { - /* This can happen when a client gets assigned to a different workspace than - * the current one (see src/mainx.c:reparent_window). Shortly after it was created, - * an enter_notify will follow. */ - LOG("enter_notify for a client on a different workspace but the same screen, ignoring\n"); - return 1; - } + if (con->parent->type == CT_DOCKAREA) { + DLOG("Ignoring, this is a dock client\n"); + return 1; + } + + /* see if the user entered the window on a certain window decoration */ + int layout = (enter_child ? con->parent->layout : con->layout); + if (layout == L_DEFAULT) { + Con *child; + TAILQ_FOREACH(child, &(con->nodes_head), nodes) + if (rect_contains(child->deco_rect, event->event_x, event->event_y)) { + LOG("using child %p / %s instead!\n", child, child->name); + con = child; + break; + } + } + +#if 0 + if (client->workspace != c_ws && client->workspace->output == c_ws->output) { + /* This can happen when a client gets assigned to a different workspace than + * the current one (see src/mainx.c:reparent_window). Shortly after it was created, + * an enter_notify will follow. */ + DLOG("enter_notify for a client on a different workspace but the same screen, ignoring\n"); + return 1; + } +#endif + + if (config.disable_focus_follows_mouse) + return 1; - set_focus(conn, client, false); + con_focus(con_descend_focused(con)); + tree_render(); - return 1; + return 1; } /* @@ -243,348 +218,79 @@ int handle_enter_notify(void *ignored, xcb_connection_t *conn, xcb_enter_notify_ * and crossing virtual screen boundaries), this callback gets called. * */ -int handle_motion_notify(void *ignored, xcb_connection_t *conn, xcb_motion_notify_event_t *event) { - /* Skip events where the pointer was over a child window, we are only - * interested in events on the root window. */ - if (event->child != 0) - return 1; +static int handle_motion_notify(xcb_motion_notify_event_t *event) { + /* Skip events where the pointer was over a child window, we are only + * interested in events on the root window. */ + if (event->child != 0) + return 1; + Con *con; + if ((con = con_by_frame_id(event->event)) == NULL) { check_crossing_screen_boundary(event->root_x, event->root_y); - return 1; -} - -/* - * Called when the keyboard mapping changes (for example by using Xmodmap), - * we need to update our key bindings then (re-translate symbols). - * - */ -int handle_mapping_notify(void *ignored, xcb_connection_t *conn, xcb_mapping_notify_event_t *event) { - if (event->request != XCB_MAPPING_KEYBOARD && - event->request != XCB_MAPPING_MODIFIER) - return 0; + } - LOG("Received mapping_notify for keyboard or modifier mapping, re-grabbing keys\n"); - xcb_refresh_keyboard_mapping(keysyms, event); - - xcb_get_numlock_mask(conn); + if (config.disable_focus_follows_mouse) + return 1; - ungrab_all_keys(conn); - grab_all_keys(conn); + if (con->layout != L_DEFAULT) + return 1; - return 0; -} + /* see over which rect the user is */ + Con *current; + TAILQ_FOREACH(current, &(con->nodes_head), nodes) { + if (!rect_contains(current->deco_rect, event->event_x, event->event_y)) + continue; -/* - * Checks if the button press was on a stack window, handles focus setting and returns true - * if so, or false otherwise. - * - */ -static bool button_press_stackwin(xcb_connection_t *conn, xcb_button_press_event_t *event) { - struct Stack_Window *stack_win; - SLIST_FOREACH(stack_win, &stack_wins, stack_windows) { - if (stack_win->window != event->event) - continue; - - /* A stack window was clicked, we check if it was button4 or button5 - which are scroll up / scroll down. */ - if (event->detail == XCB_BUTTON_INDEX_4 || event->detail == XCB_BUTTON_INDEX_5) { - direction_t direction = (event->detail == XCB_BUTTON_INDEX_4 ? D_UP : D_DOWN); - focus_window_in_container(conn, CUR_CELL, direction); - return true; - } + /* We found the rect, let’s see if this window is focused */ + if (TAILQ_FIRST(&(con->focus_head)) == current) + return 1; - /* It was no scrolling, so we calculate the destination client by - dividing the Y position of the event through the height of a window - decoration and then set the focus to this client. */ - i3Font *font = load_font(conn, config.font); - int decoration_height = (font->height + 2 + 2); - int destination = (event->event_y / decoration_height), - c = 0, - num_clients = 0; - Client *client; - - CIRCLEQ_FOREACH(client, &(stack_win->container->clients), clients) - num_clients++; - - if (stack_win->container->mode == MODE_TABBED) - destination = (event->event_x / (stack_win->container->width / num_clients)); - - LOG("Click on stack_win for client %d\n", destination); - CIRCLEQ_FOREACH(client, &(stack_win->container->clients), clients) - if (c++ == destination) { - set_focus(conn, client, true); - return true; - } - - return true; - } + con_focus(current); + x_push_changes(croot); + return 1; + } - return false; + return 1; } /* - * Checks if the button press was on a bar, switches to the workspace and returns true - * if so, or false otherwise. + * Called when the keyboard mapping changes (for example by using Xmodmap), + * we need to update our key bindings then (re-translate symbols). * */ -static bool button_press_bar(xcb_connection_t *conn, xcb_button_press_event_t *event) { - i3Screen *screen; - TAILQ_FOREACH(screen, virtual_screens, screens) { - if (screen->bar != event->event) - continue; - - LOG("Click on a bar\n"); - - /* Check if the button was one of button4 or button5 (scroll up / scroll down) */ - if (event->detail == XCB_BUTTON_INDEX_4 || event->detail == XCB_BUTTON_INDEX_5) { - int add = (event->detail == XCB_BUTTON_INDEX_4 ? -1 : 1); - for (int i = c_ws->num + add; (i >= 0) && (i < 10); i += add) - if (workspaces[i].screen == screen) { - workspace_show(conn, i+1); - return true; - } - return true; - } - int drawn = 0; - /* Because workspaces can be on different screens, we need to loop - through all of them and decide to count it based on its ->screen */ - for (int i = 0; i < 10; i++) { - if (workspaces[i].screen != screen) - continue; - LOG("Checking if click was on workspace %d with drawn = %d, tw = %d\n", - i, drawn, workspaces[i].text_width); - if (event->event_x > (drawn + 1) && - event->event_x <= (drawn + 1 + workspaces[i].text_width + 5 + 5)) { - workspace_show(conn, i+1); - return true; - } - - drawn += workspaces[i].text_width + 5 + 5 + 2; - } - return true; - } - - return false; -} - -int handle_button_press(void *ignored, xcb_connection_t *conn, xcb_button_press_event_t *event) { - LOG("Button %d pressed\n", event->state); - /* This was either a focus for a client’s parent (= titlebar)… */ - Client *client = table_get(&by_child, event->event); - bool border_click = false; - if (client == NULL) { - client = table_get(&by_parent, event->event); - border_click = true; - } - /* See if this was a click with the configured modifier. If so, we need - * to move around the client if it was floating. if not, we just process - * as usual. */ - if (config.floating_modifier != 0 && - (event->state & config.floating_modifier) != 0) { - if (client == NULL) { - LOG("Not handling, floating_modifier was pressed and no client found\n"); - return 1; - } - if (client_is_floating(client)) { - LOG("button %d pressed\n", event->detail); - if (event->detail == 1) { - LOG("left mouse button, dragging\n"); - floating_drag_window(conn, client, event); - } else if (event->detail == 3) { - LOG("right mouse button\n"); - floating_resize_window(conn, client, event); - } - return 1; - } else { - /* The client is in tiling layout. We can still - * initiate a resize with the right mouse button, - * by chosing the border which is the most near one - * to the position of the mouse pointer */ - if (event->detail == 3) { - int to_right = client->rect.width - event->event_x, - to_left = event->event_x, - to_top = event->event_y, - to_bottom = client->rect.height - event->event_y; - resize_orientation_t orientation = O_VERTICAL; - Container *con = client->container; - int first = 0, second = 0; - - LOG("click was %d px to the right, %d px to the left, %d px to top, %d px to bottom\n", - to_right, to_left, to_top, to_bottom); - - if (to_right < to_left && - to_right < to_top && - to_right < to_bottom) { - /* …right border */ - first = con->col + (con->colspan - 1); - LOG("column %d\n", first); - - if (!cell_exists(first, con->row) || - (first == (con->workspace->cols-1))) - return 1; - - second = first + 1; - } else if (to_left < to_right && - to_left < to_top && - to_left < to_bottom) { - /* …left border */ - if (con->col == 0) - return 1; - - first = con->col - 1; - second = con->col; - } else if (to_top < to_right && - to_top < to_left && - to_top < to_bottom) { - /* This was a press on the top border */ - if (con->row == 0) - return 1; - first = con->row - 1; - second = con->row; - orientation = O_HORIZONTAL; - } else if (to_bottom < to_right && - to_bottom < to_left && - to_bottom < to_top) { - /* …bottom border */ - first = con->row + (con->rowspan - 1); - if (!cell_exists(con->col, first) || - (first == (con->workspace->rows-1))) - return 1; - - second = first + 1; - orientation = O_HORIZONTAL; - } - - return resize_graphical_handler(conn, con->workspace, first, second, orientation, event); - } - } - } - - if (client == NULL) { - /* The client was neither on a client’s titlebar nor on a client itself, maybe on a stack_window? */ - if (button_press_stackwin(conn, event)) - return 1; - - /* Or on a bar? */ - if (button_press_bar(conn, event)) - return 1; - - LOG("Could not handle this button press\n"); - return 1; - } - - /* Set focus in any case */ - set_focus(conn, client, true); - - /* Let’s see if this was on the borders (= resize). If not, we’re done */ - LOG("press button on x=%d, y=%d\n", event->event_x, event->event_y); - resize_orientation_t orientation = O_VERTICAL; - Container *con = client->container; - int first, second; - - if (client->dock) { - LOG("dock. done.\n"); - xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, event->time); - xcb_flush(conn); - return 1; - } - - LOG("event->event_x = %d, client->rect.width = %d\n", event->event_x, client->rect.width); - - /* Some clients (xfontsel for example) seem to pass clicks on their - * window to the parent window, thus we receive an event here which in - * reality is a border_click. Check for the position and fix state. */ - if (border_click && - event->event_x >= client->child_rect.x && - event->event_x <= (client->child_rect.x + client->child_rect.width) && - event->event_y >= client->child_rect.y && - event->event_y <= (client->child_rect.y + client->child_rect.height)) { - LOG("Fixing border_click = false because of click in child\n"); - border_click = false; - } - - if (!border_click) { - LOG("client. done.\n"); - xcb_allow_events(conn, XCB_ALLOW_REPLAY_POINTER, event->time); - /* Floating clients should be raised on click */ - if (client_is_floating(client)) - xcb_raise_window(conn, client->frame); - xcb_flush(conn); - return 1; - } - - /* Don’t handle events inside the titlebar, only borders are interesting */ - i3Font *font = load_font(conn, config.font); - if (event->event_y >= 2 && event->event_y <= (font->height + 2 + 2)) { - LOG("click on titlebar\n"); - - /* Floating clients can be dragged by grabbing their titlebar */ - if (client_is_floating(client)) { - /* Firstly, we raise it. Maybe the user just wanted to raise it without grabbing */ - xcb_raise_window(conn, client->frame); - xcb_flush(conn); - - floating_drag_window(conn, client, event); - } - return 1; - } - - if (client_is_floating(client)) - return floating_border_click(conn, client, event); - - if (event->event_y < 2) { - /* This was a press on the top border */ - if (con->row == 0) - return 1; - first = con->row - 1; - second = con->row; - orientation = O_HORIZONTAL; - } else if (event->event_y >= (client->rect.height - 2)) { - /* …bottom border */ - first = con->row + (con->rowspan - 1); - if (!cell_exists(con->col, first) || - (first == (con->workspace->rows-1))) - return 1; +static int handle_mapping_notify(xcb_mapping_notify_event_t *event) { + if (event->request != XCB_MAPPING_KEYBOARD && + event->request != XCB_MAPPING_MODIFIER) + return 0; - second = first + 1; - orientation = O_HORIZONTAL; - } else if (event->event_x <= 2) { - /* …left border */ - if (con->col == 0) - return 1; + DLOG("Received mapping_notify for keyboard or modifier mapping, re-grabbing keys\n"); + xcb_refresh_keyboard_mapping(keysyms, event); - first = con->col - 1; - second = con->col; - } else if (event->event_x > 2) { - /* …right border */ - first = con->col + (con->colspan - 1); - LOG("column %d\n", first); + xcb_get_numlock_mask(conn); - if (!cell_exists(first, con->row) || - (first == (con->workspace->cols-1))) - return 1; + ungrab_all_keys(conn); + translate_keysyms(); + grab_all_keys(conn, false); - second = first + 1; - } - - return resize_graphical_handler(conn, con->workspace, first, second, orientation, event); + return 0; } /* * A new window appeared on the screen (=was mapped), so let’s manage it. * */ -int handle_map_request(void *prophs, xcb_connection_t *conn, xcb_map_request_event_t *event) { - xcb_get_window_attributes_cookie_t cookie; +static int handle_map_request(xcb_map_request_event_t *event) { + xcb_get_window_attributes_cookie_t cookie; - cookie = xcb_get_window_attributes_unchecked(conn, event->window); + cookie = xcb_get_window_attributes_unchecked(conn, event->window); - LOG("window = 0x%08x, serial is %d.\n", event->window, event->sequence); - add_ignore_event(event->sequence); + DLOG("window = 0x%08x, serial is %d.\n", event->window, event->sequence); + add_ignore_event(event->sequence, 0); - manage_window(prophs, conn, event->window, cookie, false); - return 1; + manage_window(event->window, cookie, false); + x_push_changes(croot); + return 1; } /* @@ -593,72 +299,95 @@ int handle_map_request(void *prophs, xcb_connection_t *conn, xcb_map_request_eve * We generate a synthethic configure notify event to signalize the client its "new" position. * */ -int handle_configure_request(void *prophs, xcb_connection_t *conn, xcb_configure_request_event_t *event) { - LOG("window 0x%08x wants to be at %dx%d with %dx%d\n", - event->window, event->x, event->y, event->width, event->height); +static int handle_configure_request(xcb_configure_request_event_t *event) { + Con *con; - Client *client = table_get(&by_child, event->window); - if (client == NULL) { - uint32_t mask = 0; - uint32_t values[7]; - int c = 0; + DLOG("window 0x%08x wants to be at %dx%d with %dx%d\n", + event->window, event->x, event->y, event->width, event->height); + + /* For unmanaged windows, we just execute the configure request. As soon as + * it gets mapped, we will take over anyways. */ + if ((con = con_by_window_id(event->window)) == NULL) { + DLOG("Configure request for unmanaged window, can do that.\n"); + + uint32_t mask = 0; + uint32_t values[7]; + int c = 0; #define COPY_MASK_MEMBER(mask_member, event_member) do { \ - if (event->value_mask & mask_member) { \ - mask |= mask_member; \ - values[c++] = event->event_member; \ - } \ + if (event->value_mask & mask_member) { \ + mask |= mask_member; \ + values[c++] = event->event_member; \ + } \ } while (0) - COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_X, x); - COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_Y, y); - COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_WIDTH, width); - COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_HEIGHT, height); - COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_BORDER_WIDTH, border_width); - COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_SIBLING, sibling); - COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_STACK_MODE, stack_mode); + COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_X, x); + COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_Y, y); + COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_WIDTH, width); + COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_HEIGHT, height); + COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_BORDER_WIDTH, border_width); + COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_SIBLING, sibling); + COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_STACK_MODE, stack_mode); - xcb_configure_window(conn, event->window, mask, values); - xcb_flush(conn); + xcb_configure_window(conn, event->window, mask, values); + xcb_flush(conn); - return 1; + return 1; + } + + DLOG("Configure request!\n"); + if (con_is_floating(con) && con_is_leaf(con)) { + /* find the height for the decorations */ + int deco_height = config.font.height + 5; + /* we actually need to apply the size/position changes to the *parent* + * container */ + Rect bsr = con_border_style_rect(con); + if (con->border_style == BS_NORMAL) { + bsr.y += deco_height; + bsr.height -= deco_height; } + con = con->parent; + DLOG("Container is a floating leaf node, will do that.\n"); + if (event->value_mask & XCB_CONFIG_WINDOW_X) { + con->rect.x = event->x + (-1) * bsr.x; + DLOG("proposed x = %d, new x is %d\n", event->x, con->rect.x); + } + if (event->value_mask & XCB_CONFIG_WINDOW_Y) { + con->rect.y = event->y + (-1) * bsr.y; + DLOG("proposed y = %d, new y is %d\n", event->y, con->rect.y); + } + if (event->value_mask & XCB_CONFIG_WINDOW_WIDTH) { + con->rect.width = event->width + (-1) * bsr.width; + DLOG("proposed width = %d, new width is %d\n", event->width, con->rect.width); + } + if (event->value_mask & XCB_CONFIG_WINDOW_HEIGHT) { + con->rect.height = event->height + (-1) * bsr.height; + DLOG("proposed height = %d, new height is %d\n", event->height, con->rect.height); + } + tree_render(); + } - if (client->fullscreen) { - LOG("Client is in fullscreen mode\n"); + fake_absolute_configure_notify(con); - Rect child_rect = client->workspace->rect; - child_rect.x = child_rect.y = 0; - fake_configure_notify(conn, child_rect, client->child); + return 1; +#if 0 + /* Dock clients can be reconfigured in their height */ + if (client->dock) { + DLOG("Reconfiguring height of this dock client\n"); - return 1; - } + if (!(event->value_mask & XCB_CONFIG_WINDOW_HEIGHT)) { + DLOG("Ignoring configure request, no height given\n"); + return 1; + } - /* Floating clients can be reconfigured */ - if (client_is_floating(client)) { - i3Font *font = load_font(conn, config.font); - - if (event->value_mask & XCB_CONFIG_WINDOW_X) - client->rect.x = event->x; - if (event->value_mask & XCB_CONFIG_WINDOW_Y) - client->rect.y = event->y; - if (event->value_mask & XCB_CONFIG_WINDOW_WIDTH) - client->rect.width = event->width + 2 + 2; - if (event->value_mask & XCB_CONFIG_WINDOW_HEIGHT) - client->rect.height = event->height + (font->height + 2 + 2) + 2; - - LOG("Accepted new position/size for floating client: (%d, %d) size %d x %d\n", - client->rect.x, client->rect.y, client->rect.width, client->rect.height); - - /* Push the new position/size to X11 */ - reposition_client(conn, client); - resize_client(conn, client); + client->desired_height = event->height; + render_workspace(conn, c_ws->output, c_ws); xcb_flush(conn); return 1; } if (client->fullscreen) { - LOG("Client is in fullscreen mode\n"); + DLOG("Client is in fullscreen mode\n"); Rect child_rect = client->container->workspace->rect; child_rect.x = child_rect.y = 0; @@ -670,55 +399,81 @@ int handle_configure_request(void *prophs, xcb_connection_t *conn, xcb_configure fake_absolute_configure_notify(conn, client); return 1; +#endif } +#if 0 /* - * Configuration notifies are only handled because we need to set up ignore for the following - * enter notify events + * Configuration notifies are only handled because we need to set up ignore for + * the following enter notify events. * */ int handle_configure_event(void *prophs, xcb_connection_t *conn, xcb_configure_notify_event_t *event) { - xcb_window_t root = xcb_setup_roots_iterator(xcb_get_setup(conn)).data->root; - + DLOG("configure_event, sequence %d\n", event->sequence); /* We ignore this sequence twice because events for child and frame should be ignored */ add_ignore_event(event->sequence); add_ignore_event(event->sequence); - if (event->event == root) { - LOG("event->x = %d, ->y = %d, ->width = %d, ->height = %d\n", event->x, event->y, event->width, event->height); - LOG("reconfigure of the root window, need to xinerama\n"); - /* FIXME: Somehow, this is occuring too often. Therefore, we check for 0/0, - but is there a better way? */ - if (event->x == 0 && event->y == 0) - xinerama_requery_screens(conn); - return 1; - } - return 1; } +#endif /* - * Our window decorations were unmapped. That means, the window will be killed now, - * so we better clean up before. + * Gets triggered upon a RandR screen change event, that is when the user + * changes the screen configuration in any way (mode, position, …) * */ -int handle_unmap_notify_event(void *data, xcb_connection_t *conn, xcb_unmap_notify_event_t *event) { - xcb_window_t root = xcb_setup_roots_iterator(xcb_get_setup(conn)).data->root; +static int handle_screen_change(xcb_generic_event_t *e) { + DLOG("RandR screen change\n"); - add_ignore_event(event->sequence); + randr_query_outputs(); - Client *client = table_get(&by_child, event->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) { - client->awaiting_useless_unmap = false; - return 1; + ipc_send_event("output", I3_IPC_EVENT_OUTPUT, "{\"change\":\"unspecified\"}"); + + return 1; +} + +/* + * Our window decorations were unmapped. That means, the window will be killed + * now, so we better clean up before. + * + */ +static int handle_unmap_notify_event(xcb_unmap_notify_event_t *event) { + // XXX: this is commented out because in src/x.c we disable EnterNotify events + /* we need to ignore EnterNotify events which will be generated because a + * different window is visible now */ + //add_ignore_event(event->sequence, XCB_ENTER_NOTIFY); + + DLOG("UnmapNotify for 0x%08x (received from 0x%08x), serial %d\n", event->window, event->event, event->sequence); + Con *con = con_by_window_id(event->window); + if (con == NULL) { + /* This could also be an UnmapNotify for the frame. We need to + * decrement the ignore_unmap counter. */ + con = con_by_frame_id(event->window); + if (con == NULL) { + LOG("Not a managed window, ignoring UnmapNotify event\n"); + return 1; } + if (con->ignore_unmap > 0) + con->ignore_unmap--; + DLOG("ignore_unmap = %d for frame of container %p\n", con->ignore_unmap, con); + return 1; + } - LOG("event->window = %08x, event->event = %08x\n", event->window, event->event); - LOG("UnmapNotify for 0x%08x (received from 0x%08x)\n", event->window, event->event); + if (con->ignore_unmap > 0) { + DLOG("ignore_unmap = %d, dec\n", con->ignore_unmap); + con->ignore_unmap--; + return 1; + } + + tree_close(con, DONT_KILL_WINDOW, false); + tree_render(); + x_push_changes(croot); + return 1; + +#if 0 if (client == NULL) { - LOG("not a managed window. Ignoring.\n"); + DLOG("not a managed window. Ignoring.\n"); /* This was most likely the destroyed frame of a client which is * currently being unmapped, so we add this sequence (again!) to @@ -728,344 +483,194 @@ int handle_unmap_notify_event(void *data, xcb_connection_t *conn, xcb_unmap_noti return 0; } +#endif - client = table_remove(&by_child, event->window); - - /* If this was the fullscreen client, we need to unset it */ - if (client->fullscreen) - client->workspace->fullscreen_client = NULL; - - /* Clients without a container are either floating or dock windows */ - if (client->container != NULL) { - Container *con = client->container; - - /* Remove the client from the list of clients */ - client_remove_from_container(conn, client, con, true); - - /* Set focus to the last focused client in this container */ - con->currently_focused = get_last_focused_client(conn, con, NULL); - - /* Only if this is the active container, we need to really change focus */ - if ((con->currently_focused != NULL) && ((con == CUR_CELL) || client->fullscreen)) - set_focus(conn, con->currently_focused, true); - } else if (client_is_floating(client)) { - LOG("Removing from floating clients\n"); - TAILQ_REMOVE(&(client->workspace->floating_clients), client, floating_clients); - SLIST_REMOVE(&(client->workspace->focus_stack), client, Client, focus_clients); - } - - if (client->dock) { - LOG("Removing from dock clients\n"); - SLIST_REMOVE(&(client->workspace->screen->dock_clients), client, Client, dock_clients); - } - - LOG("child of 0x%08x.\n", client->frame); - xcb_reparent_window(conn, client->child, root, 0, 0); - - client_unmap(conn, client); - - xcb_destroy_window(conn, client->frame); - xcb_flush(conn); - table_remove(&by_parent, client->frame); - - if (client->container != NULL) { - Workspace *workspace = client->container->workspace; - cleanup_table(conn, workspace); - fix_colrowspan(conn, workspace); - } +#if 0 /* Let’s see how many clients there are left on the workspace to delete it if it’s empty */ bool workspace_empty = SLIST_EMPTY(&(client->workspace->focus_stack)); - bool workspace_active = false; + bool workspace_focused = (c_ws == client->workspace); Client *to_focus = (!workspace_empty ? SLIST_FIRST(&(client->workspace->focus_stack)) : NULL); - /* If this workspace is currently active, we don’t delete it */ - i3Screen *screen; - TAILQ_FOREACH(screen, virtual_screens, screens) - if (screen->current_workspace == client->workspace->num) { - workspace_active = true; - workspace_empty = false; - break; - } + /* If this workspace is currently visible, we don’t delete it */ + if (workspace_is_visible(client->workspace)) + workspace_empty = false; - if (workspace_empty) - client->workspace->screen = NULL; + if (workspace_empty) { + client->workspace->output = NULL; + ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"empty\"}"); + } - FREE(client->window_class); - FREE(client->name); - free(client); + /* Remove the urgency flag if set */ + client->urgent = false; + workspace_update_urgent_flag(client->workspace); render_layout(conn); - - /* Ensure the focus is set to the next client in the focus stack */ - if (workspace_active && to_focus != NULL) - set_focus(conn, to_focus, true); +#endif return 1; } /* - * Called when a window changes its title + * A destroy notify event is sent when the window is not unmapped, but + * immediately destroyed (for example when starting a window and immediately + * killing the program which started it). + * + * We just pass on the event to the unmap notify handler (by copying the + * important fields in the event data structure). * */ -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) { - if (prop == NULL || xcb_get_property_value_length(prop) == 0) { - LOG("_NET_WM_NAME not specified, not changing\n"); - return 1; - } - Client *client = table_get(&by_child, window); - if (client == NULL) - return 1; - - /* Save the old pointer to make the update atomic */ - char *new_name; - int new_len; - asprintf(&new_name, "%.*s", xcb_get_property_value_length(prop), (char*)xcb_get_property_value(prop)); - /* Convert it to UCS-2 here for not having to convert it later every time we want to pass it to X */ - char *ucs2_name = convert_utf8_to_ucs2(new_name, &new_len); - LOG("_NET_WM_NAME changed to \"%s\"\n", new_name); - free(new_name); - - /* Check if they are the same and don’t update if so. - Note the use of new_len * 2 to check all bytes as each glyph takes 2 bytes. - Also note the use of memcmp() instead of strncmp() because the latter stops on nullbytes, - but UCS-2 uses nullbytes to fill up glyphs which only use one byte. */ - if ((new_len == client->name_len) && - (client->name != NULL) && - (memcmp(client->name, ucs2_name, new_len * 2) == 0)) { - free(ucs2_name); - return 1; - } +static int handle_destroy_notify_event(xcb_destroy_notify_event_t *event) { + DLOG("destroy notify for 0x%08x, 0x%08x\n", event->event, event->window); - char *old_name = client->name; - client->name = ucs2_name; - client->name_len = new_len; - client->uses_net_wm_name = true; - - FREE(old_name); - - /* If the client is a dock window, we don’t need to render anything */ - if (client->dock) - return 1; - - if (client->container != NULL && - (client->container->mode == MODE_STACK || - client->container->mode == MODE_TABBED)) - render_container(conn, client->container); - else decorate_window(conn, client, client->frame, client->titlegc, 0, 0); - xcb_flush(conn); + xcb_unmap_notify_event_t unmap; + unmap.sequence = event->sequence; + unmap.event = event->event; + unmap.window = event->window; - return 1; + return handle_unmap_notify_event(&unmap); } /* - * We handle legacy window names (titles) which are in COMPOUND_TEXT encoding. However, we - * just pass them along, so when containing non-ASCII characters, those will be rendering - * incorrectly. In order to correctly render unicode window titles in i3, an application - * has to set _NET_WM_NAME, which is in UTF-8 encoding. - * - * On every update, a message is put out to the user, so he may improve the situation and - * update applications which display filenames in their title to correctly use - * _NET_WM_NAME and therefore support unicode. + * Called when a window changes its title * */ -int handle_windowname_change_legacy(void *data, xcb_connection_t *conn, uint8_t state, +static 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) { - if (prop == NULL || xcb_get_property_value_length(prop) == 0) { - LOG("prop == NULL\n"); - return 1; - } - Client *client = table_get(&by_child, window); - if (client == NULL) - return 1; + Con *con; + if ((con = con_by_window_id(window)) == NULL || con->window == NULL) + return 1; - /* Client capable of _NET_WM_NAME, ignore legacy name changes */ - if (client->uses_net_wm_name) - return 1; + window_update_name(con->window, prop, false); - /* Save the old pointer to make the update atomic */ - char *new_name; - if (asprintf(&new_name, "%.*s", xcb_get_property_value_length(prop), (char*)xcb_get_property_value(prop)) == -1) { - perror("Could not get old name"); - LOG("Could not get old name\n"); - return 1; - } - /* Convert it to UCS-2 here for not having to convert it later every time we want to pass it to X */ - LOG("WM_NAME changed to \"%s\"\n", new_name); - - /* Check if they are the same and don’t update if so. */ - if (client->name != NULL && - strlen(new_name) == strlen(client->name) && - strcmp(client->name, new_name) == 0) { - free(new_name); - return 1; - } - - LOG("Using legacy window title. Note that in order to get Unicode window titles in i3, " - "the application has to set _NET_WM_NAME which is in UTF-8 encoding.\n"); + x_push_changes(croot); - char *old_name = client->name; - client->name = new_name; - client->name_len = -1; + return 1; +} - if (old_name != NULL) - free(old_name); +/* + * Handles legacy window name updates (WM_NAME), see also src/window.c, + * window_update_name_legacy(). + * + */ +static int handle_windowname_change_legacy(void *data, xcb_connection_t *conn, uint8_t state, + xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) { + Con *con; + if ((con = con_by_window_id(window)) == NULL || con->window == NULL) + return 1; - /* If the client is a dock window, we don’t need to render anything */ - if (client->dock) - return 1; + window_update_name_legacy(con->window, prop, false); - if (client->container != NULL && - (client->container->mode == MODE_STACK || - client->container->mode == MODE_TABBED)) - render_container(conn, client->container); - else decorate_window(conn, client, client->frame, client->titlegc, 0, 0); - xcb_flush(conn); + x_push_changes(croot); - return 1; + return 1; } /* * Updates the client’s WM_CLASS property * */ -int handle_windowclass_change(void *data, xcb_connection_t *conn, uint8_t state, +static int handle_windowclass_change(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) { - if (prop == NULL || xcb_get_property_value_length(prop) == 0) { - LOG("prop == NULL\n"); - return 1; - } - Client *client = table_get(&by_child, window); - if (client == NULL) - return 1; - char *new_class; - if (asprintf(&new_class, "%.*s", xcb_get_property_value_length(prop), (char*)xcb_get_property_value(prop)) == -1) { - perror("Could not get window class"); - LOG("Could not get window class\n"); - return 1; - } - - LOG("WM_CLASS changed to %s\n", new_class); - char *old_class = client->window_class; - client->window_class = new_class; - FREE(old_class); - - if (!client->initialized) - return 1; + Con *con; + if ((con = con_by_window_id(window)) == NULL || con->window == NULL) + return 1; - if (strcmp(new_class, "tools") == 0 || strcmp(new_class, "Dialog") == 0) { - LOG("tool/dialog window, should we put it floating?\n"); - if (client->floating == FLOATING_AUTO_OFF) - toggle_floating_mode(conn, client, true); - } + window_update_class(con->window, prop, false); - return 1; + return 0; } /* * Expose event means we should redraw our windows (= title bar) * */ -int handle_expose_event(void *data, xcb_connection_t *conn, xcb_expose_event_t *event) { - /* event->count is the number of minimum remaining expose events for this window, so we - skip all events but the last one */ - if (event->count != 0) - return 1; - LOG("window = %08x\n", event->window); +static int handle_expose_event(xcb_expose_event_t *event) { + Con *parent, *con; - Client *client = table_get(&by_parent, event->window); - 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 == event->window) { - render_container(conn, stack_win->container); - return 1; - } - - /* …or one of the bars? */ - i3Screen *screen; - TAILQ_FOREACH(screen, virtual_screens, screens) - if (screen->bar == event->window) - render_layout(conn); - return 1; - } + /* event->count is the number of minimum remaining expose events for this + * window, so we skip all events but the last one */ + if (event->count != 0) + return 1; - if (client->dock) - return 1; + DLOG("window = %08x\n", event->window); - if (client->container == NULL || - (client->container->mode != MODE_STACK && - client->container->mode != MODE_TABBED)) - decorate_window(conn, client, client->frame, client->titlegc, 0, 0); - else { - uint32_t background_color; - if (client->urgent) - background_color = config.client.urgent.background; - /* Distinguish if the window is currently focused… */ - else if (CUR_CELL->currently_focused == client) - background_color = config.client.focused.background; - /* …or if it is the focused window in a not focused container */ - else background_color = config.client.focused_inactive.background; - - /* Set foreground color to current focused color, line width to 2 */ - uint32_t values[] = {background_color, 2}; - xcb_change_gc(conn, client->titlegc, XCB_GC_FOREGROUND | XCB_GC_LINE_WIDTH, values); - - /* Draw the border, the ±1 is for line width = 2 */ - xcb_point_t points[] = {{1, 0}, /* left upper edge */ - {1, client->rect.height-1}, /* left bottom edge */ - {client->rect.width-1, client->rect.height-1}, /* right bottom edge */ - {client->rect.width-1, 0}}; /* right upper edge */ - xcb_poly_line(conn, XCB_COORD_MODE_ORIGIN, client->frame, client->titlegc, 4, points); - - /* Draw a black background */ - xcb_change_gc_single(conn, client->titlegc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000")); - xcb_rectangle_t crect = {2, 0, client->rect.width - (2 + 2), client->rect.height - 2}; - xcb_poly_fill_rectangle(conn, client->frame, client->titlegc, 1, &crect); - } - xcb_flush(conn); + if ((parent = con_by_frame_id(event->window)) == NULL) { + LOG("expose event for unknown window, ignoring\n"); return 1; + } + + if (parent->window) + x_draw_decoration(parent); + + TAILQ_FOREACH(con, &(parent->nodes_head), nodes) { + DLOG("expose for con %p / %s\n", con, con->name); + if (con->window) + x_draw_decoration(con); + } + + /* We also need to render the decorations of other Cons nearby the Con + * itself to not get overlapping decorations */ + TAILQ_FOREACH(con, &(parent->parent->nodes_head), nodes) { + DLOG("expose for con %p / %s\n", con, con->name); + if (con->window) + x_draw_decoration(con); + } + xcb_flush(conn); + + return 1; } /* * Handle client messages (EWMH) * */ -int handle_client_message(void *data, xcb_connection_t *conn, xcb_client_message_event_t *event) { - if (event->type == atoms[_NET_WM_STATE]) { - if (event->format != 32 || event->data.data32[1] != atoms[_NET_WM_STATE_FULLSCREEN]) - return 0; - - Client *client = table_get(&by_child, 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))) - client_toggle_fullscreen(conn, client); - } else { - LOG("unhandled clientmessage\n"); - return 0; +static int handle_client_message(xcb_client_message_event_t *event) { + LOG("ClientMessage for window 0x%08x\n", event->window); + if (event->type == A__NET_WM_STATE) { + if (event->format != 32 || event->data.data32[1] != A__NET_WM_STATE_FULLSCREEN) { + DLOG("atom in clientmessage is %d, fullscreen is %d\n", + event->data.data32[1], A__NET_WM_STATE_FULLSCREEN); + DLOG("not about fullscreen atom\n"); + return 0; } - return 1; + Con *con = con_by_window_id(event->window); + if (con == NULL) { + DLOG("Could not get window for client message\n"); + return 0; + } + + /* Check if the fullscreen state should be toggled */ + if ((con->fullscreen_mode != CF_NONE && + (event->data.data32[0] == _NET_WM_STATE_REMOVE || + event->data.data32[0] == _NET_WM_STATE_TOGGLE)) || + (con->fullscreen_mode == CF_NONE && + (event->data.data32[0] == _NET_WM_STATE_ADD || + event->data.data32[0] == _NET_WM_STATE_TOGGLE))) { + DLOG("toggling fullscreen\n"); + con_toggle_fullscreen(con, CF_OUTPUT); + } + + tree_render(); + x_push_changes(croot); + } else { + ELOG("unhandled clientmessage\n"); + return 0; + } + + return 1; } +#if 0 int handle_window_type(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. */ - LOG("_NET_WM_WINDOW_TYPE changed, this is not yet implemented.\n"); + ELOG("_NET_WM_WINDOW_TYPE changed, this is not yet implemented.\n"); return 0; } +#endif /* * Handles the size hints set by a window, but currently only the part necessary for displaying @@ -1074,141 +679,164 @@ int handle_window_type(void *data, xcb_connection_t *conn, uint8_t state, xcb_wi * See ICCCM 4.1.2.3 for more details * */ -int handle_normal_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window, +static int handle_normal_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window, xcb_atom_t name, xcb_get_property_reply_t *reply) { - Client *client = table_get(&by_child, window); - if (client == NULL) { - LOG("Received WM_SIZE_HINTS for unknown client\n"); - return 1; - } - xcb_size_hints_t size_hints; - - CLIENT_LOG(client); - - /* If the hints were already in this event, use them, if not, request them */ - if (reply != NULL) - xcb_get_wm_size_hints_from_reply(&size_hints, reply); - else - xcb_get_wm_normal_hints_reply(conn, xcb_get_wm_normal_hints_unchecked(conn, client->child), &size_hints, NULL); - - if ((size_hints.flags & XCB_SIZE_HINT_P_MIN_SIZE)) { - // TODO: Minimum size is not yet implemented - //LOG("Minimum size: %d (width) x %d (height)\n", size_hints.min_width, size_hints.min_height); - } - - if ((size_hints.flags & XCB_SIZE_HINT_P_RESIZE_INC)) { - bool changed = false; - - if (size_hints.width_inc > 0) - if (client->width_increment != size_hints.width_inc) { - client->width_increment = size_hints.width_inc; - changed = true; - } - if (size_hints.height_inc > 0) - if (client->height_increment != size_hints.height_inc) { - client->height_increment = size_hints.height_inc; - changed = true; - } - - if (changed) { - resize_client(conn, client); - xcb_flush(conn); - } + Con *con = con_by_window_id(window); + if (con == NULL) { + DLOG("Received WM_NORMAL_HINTS for unknown client\n"); + return 1; + } + + xcb_size_hints_t size_hints; + + //CLIENT_LOG(client); + + /* If the hints were already in this event, use them, if not, request them */ + if (reply != NULL) + xcb_icccm_get_wm_size_hints_from_reply(&size_hints, reply); + else + xcb_icccm_get_wm_normal_hints_reply(conn, xcb_icccm_get_wm_normal_hints_unchecked(conn, con->window->id), &size_hints, NULL); + + if ((size_hints.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE)) { + // TODO: Minimum size is not yet implemented + DLOG("Minimum size: %d (width) x %d (height)\n", size_hints.min_width, size_hints.min_height); + } + + bool changed = false; + if ((size_hints.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC)) { + if (size_hints.width_inc > 0 && size_hints.width_inc < 0xFFFF) + if (con->width_increment != size_hints.width_inc) { + con->width_increment = size_hints.width_inc; + changed = true; + } + if (size_hints.height_inc > 0 && size_hints.height_inc < 0xFFFF) + if (con->height_increment != size_hints.height_inc) { + con->height_increment = size_hints.height_inc; + changed = true; + } + + if (changed) + DLOG("resize increments changed\n"); + } + + int base_width = 0, base_height = 0; + + /* base_width/height are the desired size of the window. + We check if either the program-specified size or the program-specified + min-size is available */ + if (size_hints.flags & XCB_ICCCM_SIZE_HINT_BASE_SIZE) { + base_width = size_hints.base_width; + base_height = size_hints.base_height; + } else if (size_hints.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE) { + /* TODO: is this right? icccm says not */ + base_width = size_hints.min_width; + base_height = size_hints.min_height; + } + + if (base_width != con->base_width || + base_height != con->base_height) { + con->base_width = base_width; + con->base_height = base_height; + DLOG("client's base_height changed to %d\n", base_height); + DLOG("client's base_width changed to %d\n", base_width); + changed = true; + } + + /* If no aspect ratio was set or if it was invalid, we ignore the hints */ + if (!(size_hints.flags & XCB_ICCCM_SIZE_HINT_P_ASPECT) || + (size_hints.min_aspect_num <= 0) || + (size_hints.min_aspect_den <= 0)) { + goto render_and_return; + } + + /* XXX: do we really use rect here, not window_rect? */ + double width = con->rect.width - base_width; + double height = con->rect.height - base_height; + /* Convert numerator/denominator to a double */ + double min_aspect = (double)size_hints.min_aspect_num / size_hints.min_aspect_den; + double max_aspect = (double)size_hints.max_aspect_num / size_hints.min_aspect_den; + + DLOG("Aspect ratio set: minimum %f, maximum %f\n", min_aspect, max_aspect); + DLOG("width = %f, height = %f\n", width, height); + + /* Sanity checks, this is user-input, in a way */ + if (max_aspect <= 0 || min_aspect <= 0 || height == 0 || (width / height) <= 0) + goto render_and_return; + + /* Check if we need to set proportional_* variables using the correct ratio */ + if ((width / height) < min_aspect) { + if (con->proportional_width != width || + con->proportional_height != (width / min_aspect)) { + con->proportional_width = width; + con->proportional_height = width / min_aspect; + changed = true; } - - int base_width = 0, base_height = 0; - - /* base_width/height are the desired size of the window. - We check if either the program-specified size or the program-specified - min-size is available */ - if (size_hints.flags & XCB_SIZE_HINT_P_SIZE) { - base_width = size_hints.base_width; - base_height = size_hints.base_height; - } else if (size_hints.flags & XCB_SIZE_HINT_P_MIN_SIZE) { - base_width = size_hints.min_width; - base_height = size_hints.min_height; + } else if ((width / height) > max_aspect) { + if (con->proportional_width != width || + con->proportional_height != (width / max_aspect)) { + con->proportional_width = width; + con->proportional_height = width / max_aspect; + changed = true; } + } else goto render_and_return; - client->base_width = base_width; - client->base_height = base_height; - - /* If no aspect ratio was set or if it was invalid, we ignore the hints */ - if (!(size_hints.flags & XCB_SIZE_HINT_P_ASPECT) || - (size_hints.min_aspect_num <= 0) || - (size_hints.min_aspect_den <= 0)) { - return 1; - } - - double width = client->rect.width - base_width; - double height = client->rect.height - base_height; - /* Convert numerator/denominator to a double */ - double min_aspect = (double)size_hints.min_aspect_num / size_hints.min_aspect_den; - double max_aspect = (double)size_hints.max_aspect_num / size_hints.min_aspect_den; - - LOG("Aspect ratio set: minimum %f, maximum %f\n", min_aspect, max_aspect); - LOG("width = %f, height = %f\n", width, height); - - /* Sanity checks, this is user-input, in a way */ - if (max_aspect <= 0 || min_aspect <= 0 || height == 0 || (width / height) <= 0) - return 1; - - /* Check if we need to set proportional_* variables using the correct ratio */ - if ((width / height) < min_aspect) { - client->proportional_width = width; - client->proportional_height = width / min_aspect; - } else if ((width / height) > max_aspect) { - client->proportional_width = width; - client->proportional_height = width / max_aspect; - } else return 1; - - client->force_reconfigure = true; - - if (client->container != NULL) { - render_container(conn, client->container); - xcb_flush(conn); - } - - return 1; +render_and_return: + if (changed) + tree_render(); + return 1; } /* * Handles the WM_HINTS property for extracting the urgency state of the window. * */ -int handle_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window, +static int handle_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window, xcb_atom_t name, xcb_get_property_reply_t *reply) { - Client *client = table_get(&by_child, window); - if (client == NULL) { - LOG("Received WM_HINTS for unknown client\n"); - return 1; - } - xcb_wm_hints_t hints; - - if (reply != NULL) { - if (!xcb_get_wm_hints_from_reply(&hints, reply)) - return 1; - } else { - if (!xcb_get_wm_hints_reply(conn, xcb_get_wm_hints_unchecked(conn, client->child), &hints, NULL)) - return 1; - } - - /* Update the flag on the client directly */ - client->urgent = (xcb_wm_hints_get_urgency(&hints) != 0); - CLIENT_LOG(client); - LOG("Urgency flag changed to %d\n", client->urgent); + Con *con = con_by_window_id(window); + if (con == NULL) { + DLOG("Received WM_HINTS for unknown client\n"); + return 1; + } - workspace_update_urgent_flag(client->workspace); - redecorate_window(conn, client); + xcb_icccm_wm_hints_t hints; - /* If the workspace this client is on is not visible, we need to redraw - * the workspace bar */ - if (!workspace_is_visible(client->workspace)) { - i3Screen *screen = client->workspace->screen; - render_workspace(conn, screen, &(workspaces[screen->current_workspace])); - xcb_flush(conn); - } + if (reply != NULL) { + if (!xcb_icccm_get_wm_hints_from_reply(&hints, reply)) + return 1; + } else { + if (!xcb_icccm_get_wm_hints_reply(conn, xcb_icccm_get_wm_hints_unchecked(conn, con->window->id), &hints, NULL)) + return 1; + } + if (!con->urgent && focused == con) { + DLOG("Ignoring urgency flag for current client\n"); return 1; + } + + /* Update the flag on the client directly */ + con->urgent = (xcb_icccm_wm_hints_get_urgency(&hints) != 0); + //CLIENT_LOG(con); + LOG("Urgency flag changed to %d\n", con->urgent); + + Con *ws; + /* Set the urgency flag on the workspace, if a workspace could be found + * (for dock clients, that is not the case). */ + if ((ws = con_get_workspace(con)) != NULL) + workspace_update_urgent_flag(ws); + + tree_render(); + +#if 0 + /* If the workspace this client is on is not visible, we need to redraw + * the workspace bar */ + if (!workspace_is_visible(client->workspace)) { + Output *output = client->workspace->output; + render_workspace(conn, output, output->current_workspace); + xcb_flush(conn); + } +#endif + + return 1; } /* @@ -1218,31 +846,33 @@ int handle_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t * See ICCCM 4.1.2.6 for more details * */ -int handle_transient_for(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window, - xcb_atom_t name, xcb_get_property_reply_t *reply) { - Client *client = table_get(&by_child, window); - if (client == NULL) { - LOG("No such client\n"); - return 1; - } - - xcb_window_t transient_for; - - if (reply != NULL) { - if (!xcb_get_wm_transient_for_from_reply(&transient_for, reply)) - return 1; - } else { - if (!xcb_get_wm_transient_for_reply(conn, xcb_get_wm_transient_for_unchecked(conn, window), - &transient_for, NULL)) - return 1; - } - - if (client->floating == FLOATING_AUTO_OFF) { - LOG("This is a popup window, putting into floating\n"); - toggle_floating_mode(conn, client, true); - } +static int handle_transient_for(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window, + xcb_atom_t name, xcb_get_property_reply_t *prop) { + Con *con; + if ((con = con_by_window_id(window)) == NULL || con->window == NULL) { + DLOG("No such window\n"); return 1; + } + + if (prop == NULL) { + prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn, + false, window, A_WM_TRANSIENT_FOR, A_WINDOW, 0, 32), NULL); + if (prop == NULL) + return 1; + } + + window_update_transient_for(con->window, prop); + + // TODO: put window in floating mode if con->window->transient_for != XCB_NONE: +#if 0 + if (client->floating == FLOATING_AUTO_OFF) { + DLOG("This is a popup window, putting into floating\n"); + toggle_floating_mode(conn, client, true); + } +#endif + + return 1; } /* @@ -1250,26 +880,196 @@ int handle_transient_for(void *data, xcb_connection_t *conn, uint8_t state, xcb_ * toolwindow (or similar) and to which window it belongs (logical parent). * */ -int handle_clientleader_change(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window, +static int handle_clientleader_change(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window, xcb_atom_t name, xcb_get_property_reply_t *prop) { - if (prop == NULL) { - prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn, - false, window, WM_CLIENT_LEADER, WINDOW, 0, 32), NULL); - if (prop == NULL) - return 1; - } + Con *con; + if ((con = con_by_window_id(window)) == NULL || con->window == NULL) + return 1; - Client *client = table_get(&by_child, window); - if (client == NULL) - return 1; + if (prop == NULL) { + prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn, + false, window, A_WM_CLIENT_LEADER, A_WINDOW, 0, 32), NULL); + if (prop == NULL) + return 1; + } - xcb_window_t *leader = xcb_get_property_value(prop); - if (leader == NULL || *leader == 0) - return 1; + window_update_leader(con->window, prop); - LOG("Client leader changed to %08x\n", *leader); + return 1; +} + +/* + * Handles FocusIn events which are generated by clients (i3’s focus changes + * don’t generate FocusIn events due to a different EventMask) and updates the + * decorations accordingly. + * + */ +static int handle_focus_in(xcb_focus_in_event_t *event) { + DLOG("focus change in, for window 0x%08x\n", event->event); + Con *con; + if ((con = con_by_window_id(event->event)) == NULL || con->window == NULL) + return 1; + DLOG("That is con %p / %s\n", con, con->name); - client->leader = *leader; + if (event->mode == XCB_NOTIFY_MODE_GRAB || + event->mode == XCB_NOTIFY_MODE_UNGRAB) { + DLOG("FocusIn event for grab/ungrab, ignoring\n"); + return 1; + } + if (event->detail == XCB_NOTIFY_DETAIL_POINTER) { + DLOG("notify detail is pointer, ignoring this event\n"); return 1; + } + + if (focused_id == event->event) { + DLOG("focus matches the currently focused window, not doing anything\n"); + return 1; + } + + DLOG("focus is different, updating decorations\n"); + con_focus(con); + /* We update focused_id because we don’t need to set focus again */ + focused_id = event->event; + x_push_changes(croot); + return 1; +} + +typedef int (*cb_property_handler_t)(void *data, xcb_connection_t *c, uint8_t state, xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *property); + +struct property_handler_t { + xcb_atom_t atom; + uint32_t long_len; + cb_property_handler_t cb; +}; + +static struct property_handler_t property_handlers[] = { + { 0, 128, handle_windowname_change }, + { 0, UINT_MAX, handle_hints }, + { 0, 128, handle_windowname_change_legacy }, + { 0, UINT_MAX, handle_normal_hints }, + { 0, UINT_MAX, handle_clientleader_change }, + { 0, UINT_MAX, handle_transient_for } +}; +#define NUM_HANDLERS (sizeof(property_handlers) / sizeof(struct property_handler_t)) + +/* + * Sets the appropriate atoms for the property handlers after the atoms were + * received from X11 + * + */ +void property_handlers_init() { + property_handlers[0].atom = A__NET_WM_NAME; + property_handlers[1].atom = A_WM_HINTS; + property_handlers[2].atom = A_WM_NAME; + property_handlers[3].atom = A_WM_NORMAL_HINTS; + property_handlers[4].atom = A_WM_CLIENT_LEADER; + property_handlers[5].atom = A_WM_TRANSIENT_FOR; +} + +static int property_notify(uint8_t state, xcb_window_t window, xcb_atom_t atom) { + struct property_handler_t *handler = NULL; + xcb_get_property_reply_t *propr = NULL; + int ret; + + for (int c = 0; c < sizeof(property_handlers) / sizeof(struct property_handler_t); c++) { + if (property_handlers[c].atom != atom) + continue; + + handler = &property_handlers[c]; + break; + } + + if (handler == NULL) { + DLOG("Unhandled property notify for atom %d (0x%08x)\n", atom, atom); + return 0; + } + + if (state != XCB_PROPERTY_DELETE) { + xcb_get_property_cookie_t cookie = xcb_get_property(conn, 0, window, atom, XCB_GET_PROPERTY_TYPE_ANY, 0, handler->long_len); + propr = xcb_get_property_reply(conn, cookie, 0); + } + + ret = handler->cb(NULL, conn, state, window, atom, propr); + FREE(propr); + return ret; +} + +/* + * Takes an xcb_generic_event_t and calls the appropriate handler, based on the + * event type. + * + */ +void handle_event(int type, xcb_generic_event_t *event) { + if (randr_base > -1 && + type == randr_base + XCB_RANDR_SCREEN_CHANGE_NOTIFY) { + handle_screen_change(event); + return; + } + + switch (type) { + case XCB_KEY_PRESS: + handle_key_press((xcb_key_press_event_t*)event); + break; + + case XCB_BUTTON_PRESS: + handle_button_press((xcb_button_press_event_t*)event); + break; + + case XCB_MAP_REQUEST: + handle_map_request((xcb_map_request_event_t*)event); + break; + + case XCB_UNMAP_NOTIFY: + handle_unmap_notify_event((xcb_unmap_notify_event_t*)event); + break; + + case XCB_DESTROY_NOTIFY: + handle_destroy_notify_event((xcb_destroy_notify_event_t*)event); + break; + + case XCB_EXPOSE: + handle_expose_event((xcb_expose_event_t*)event); + break; + + case XCB_MOTION_NOTIFY: + handle_motion_notify((xcb_motion_notify_event_t*)event); + break; + + /* Enter window = user moved his mouse over the window */ + case XCB_ENTER_NOTIFY: + handle_enter_notify((xcb_enter_notify_event_t*)event); + break; + + /* Client message are sent to the root window. The only interesting + * client message for us is _NET_WM_STATE, we honour + * _NET_WM_STATE_FULLSCREEN */ + case XCB_CLIENT_MESSAGE: + handle_client_message((xcb_client_message_event_t*)event); + break; + + /* Configure request = window tried to change size on its own */ + case XCB_CONFIGURE_REQUEST: + handle_configure_request((xcb_configure_request_event_t*)event); + break; + + /* Mapping notify = keyboard mapping changed (Xmodmap), re-grab bindings */ + case XCB_MAPPING_NOTIFY: + handle_mapping_notify((xcb_mapping_notify_event_t*)event); + break; + + case XCB_FOCUS_IN: + handle_focus_in((xcb_focus_in_event_t*)event); + break; + + case XCB_PROPERTY_NOTIFY: + DLOG("Property notify\n"); + xcb_property_notify_event_t *e = (xcb_property_notify_event_t*)event; + property_notify(e->state, e->window, e->atom); + break; + + default: + DLOG("Unhandled event of type %d\n", type); + break; + } }