]> git.sur5r.net Git - i3/i3/blobdiff - src/handlers.c
Don’t use SYNC key bindings for Mode_switch but re-grab keys
[i3/i3] / src / handlers.c
index 627744f4cafe817be5af35d1ec2c758a88da44e7..b5c1cf1b30e08a4905c1bd90c4f801bf8bb19cb9 100644 (file)
@@ -3,7 +3,7 @@
  *
  * i3 - an improved dynamic tiling window manager
  *
- * © 2009 Michael Stapelberg and contributors
+ * © 2009-2010 Michael Stapelberg and contributors
  *
  * See file LICENSE for license information.
  *
@@ -17,6 +17,7 @@
 #include <xcb/xcb.h>
 #include <xcb/xcb_atom.h>
 #include <xcb/xcb_icccm.h>
+#include <xcb/randr.h>
 
 #include <X11/XKBlib.h>
 
@@ -28,7 +29,7 @@
 #include "data.h"
 #include "xcb.h"
 #include "util.h"
-#include "xinerama.h"
+#include "randr.h"
 #include "config.h"
 #include "queue.h"
 #include "resize.h"
@@ -38,6 +39,7 @@
 #include "workspace.h"
 #include "log.h"
 #include "container.h"
+#include "ipc.h"
 
 /* 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
@@ -80,17 +82,6 @@ static bool event_is_ignored(const int sequence) {
         return false;
 }
 
-/*
- * Due to bindings like Mode_switch + <a>, 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().
@@ -107,52 +98,29 @@ int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_
         state_filtered &= 0xFF;
         DLOG("(removed upper 8 bits, state = %d)\n", state_filtered);
 
-        if (xkb_supported) {
-                /* 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;
-        }
+        if (xkb_current_group == XkbGroup2Index)
+                state_filtered |= BIND_MODE_SWITCH;
 
         DLOG("(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;
+        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;
                 }
         }
 
-        /* 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;
-        }
-
         parse_command(conn, bind->command);
-        if (state_filtered & BIND_MODE_SWITCH) {
-                DLOG("Mode_switch -> allow_events(SyncKeyboard)\n");
-                xcb_allow_events(conn, SyncKeyboard, event->time);
-                xcb_flush(conn);
-        }
         return 1;
 }
 
@@ -163,21 +131,39 @@ 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) {
+        if ((output = get_output_containing(x, y)) == NULL) {
                 ELOG("ERROR: No such screen\n");
                 return;
         }
-        if (screen == c_ws->screen)
+        if (output == c_ws->output)
                 return;
 
         c_ws->current_row = current_row;
         c_ws->current_col = current_col;
-        c_ws = screen->current_workspace;
+        c_ws = output->current_workspace;
         current_row = c_ws->current_row;
         current_col = c_ws->current_col;
-        DLOG("We're now on virtual screen number %d\n", screen->num);
+        DLOG("We're now on output %p\n", output);
+
+        /* While usually this function is only called when the user switches
+         * to a different output using his mouse (and thus the output is
+         * empty), it may be that the following race condition occurs:
+         * 1) the user actives a new output (say VGA1).
+         * 2) the cursor is sent to the first pixel of the new VGA1, thus
+         *    generating an enter_notify for the screen (the enter_notify
+         *    is not yet received by i3).
+         * 3) i3 requeries screen configuration and maps a workspace onto the
+         *    new output.
+         * 4) the enter_notify event arrives and c_ws is set to the new
+         *    workspace but the existing windows on the new workspace are not
+         *    focused.
+         *
+         * Therefore, we re-set the focus here to be sure it’s correct. */
+        Client *first_client = SLIST_FIRST(&(c_ws->focus_stack));
+        if (first_client != NULL)
+                set_focus(global_conn, first_client, true);
 }
 
 /*
@@ -228,7 +214,7 @@ int handle_enter_notify(void *ignored, xcb_connection_t *conn, xcb_enter_notify_
                 return 1;
         }
 
-        if (client->workspace != c_ws && client->workspace->screen == c_ws->screen) {
+        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. */
@@ -275,7 +261,8 @@ int handle_mapping_notify(void *ignored, xcb_connection_t *conn, xcb_mapping_not
         xcb_get_numlock_mask(conn);
 
         ungrab_all_keys(conn);
-        grab_all_keys(conn);
+        translate_keysyms();
+        grab_all_keys(conn, false);
 
         return 0;
 }
@@ -346,11 +333,31 @@ int handle_configure_request(void *prophs, xcb_connection_t *conn, xcb_configure
         if (client_is_floating(client)) {
                 i3Font *font = load_font(conn, config.font);
                 int mode = (client->container != NULL ? client->container->mode : MODE_DEFAULT);
+                /* TODO: refactor this code. we need a function to translate
+                 * coordinates of child_rect/rect. */
 
-                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_X) {
+                        if (mode == MODE_STACK || mode == MODE_TABBED) {
+                                client->rect.x = event->x - 2;
+                        } else {
+                                if (client->titlebar_position == TITLEBAR_OFF && client->borderless)
+                                        client->rect.x = event->x;
+                                else if (client->titlebar_position == TITLEBAR_OFF && !client->borderless)
+                                        client->rect.x = event->x - 1;
+                                else client->rect.x = event->x - 2;
+                        }
+                }
+                if (event->value_mask & XCB_CONFIG_WINDOW_Y) {
+                        if (mode == MODE_STACK || mode == MODE_TABBED) {
+                                client->rect.y = event->y - 2;
+                        } else {
+                                if (client->titlebar_position == TITLEBAR_OFF && client->borderless)
+                                        client->rect.y = event->y;
+                                else if (client->titlebar_position == TITLEBAR_OFF && !client->borderless)
+                                        client->rect.y = event->y - 1;
+                                else client->rect.y = event->y - font->height - 2 - 2;
+                        }
+                }
                 if (event->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
                         if (mode == MODE_STACK || mode == MODE_TABBED) {
                                 client->rect.width = event->width + 2 + 2;
@@ -395,7 +402,7 @@ int handle_configure_request(void *prophs, xcb_connection_t *conn, xcb_configure
                 }
 
                 client->desired_height = event->height;
-                render_workspace(conn, c_ws->screen, c_ws);
+                render_workspace(conn, c_ws->output, c_ws);
                 xcb_flush(conn);
 
                 return 1;
@@ -417,26 +424,28 @@ int handle_configure_request(void *prophs, xcb_connection_t *conn, xcb_configure
 }
 
 /*
- * 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;
-
         /* 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) {
-                DLOG("event->x = %d, ->y = %d, ->width = %d, ->height = %d\n", event->x, event->y, event->width, event->height);
-                DLOG("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;
+}
+
+/*
+ * Gets triggered upon a RandR screen change event, that is when the user
+ * changes the screen configuration in any way (mode, position, …)
+ *
+ */
+int handle_screen_change(void *prophs, xcb_connection_t *conn,
+                         xcb_generic_event_t *e) {
+        DLOG("RandR screen change\n");
+
+        randr_query_outputs(conn);
 
         return 1;
 }
@@ -500,7 +509,7 @@ int handle_unmap_notify_event(void *data, xcb_connection_t *conn, xcb_unmap_noti
 
         if (client->dock) {
                 DLOG("Removing from dock clients\n");
-                SLIST_REMOVE(&(client->workspace->screen->dock_clients), client, Client, dock_clients);
+                SLIST_REMOVE(&(client->workspace->output->dock_clients), client, Client, dock_clients);
         }
 
         DLOG("child of 0x%08x.\n", client->frame);
@@ -524,16 +533,18 @@ int handle_unmap_notify_event(void *data, xcb_connection_t *conn, xcb_unmap_noti
         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)
+        Output *screen;
+        TAILQ_FOREACH(screen, &outputs, outputs)
                 if (screen->current_workspace == client->workspace) {
                         workspace_active = true;
                         workspace_empty = false;
                         break;
                 }
 
-        if (workspace_empty)
-                client->workspace->screen = NULL;
+        if (workspace_empty) {
+                client->workspace->output = NULL;
+                ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"empty\"}");
+        }
 
         /* Remove the urgency flag if set */
         client->urgent = false;
@@ -739,9 +750,9 @@ int handle_expose_event(void *data, xcb_connection_t *conn, xcb_expose_event_t *
                         }
 
                 /* …or one of the bars? */
-                i3Screen *screen;
-                TAILQ_FOREACH(screen, virtual_screens, screens)
-                        if (screen->bar == event->window)
+                Output *output;
+                TAILQ_FOREACH(output, &outputs, outputs)
+                        if (output->bar == event->window)
                                 render_layout(conn);
                 return 1;
         }
@@ -849,12 +860,11 @@ int handle_normal_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_w
 
         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);
+                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_SIZE_HINT_P_RESIZE_INC)) {
-                bool changed = false;
-
                 if (size_hints.width_inc > 0 && size_hints.width_inc < 0xFFFF)
                         if (client->width_increment != size_hints.width_inc) {
                                 client->width_increment = size_hints.width_inc;
@@ -866,10 +876,8 @@ int handle_normal_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_w
                                 changed = true;
                         }
 
-                if (changed) {
-                        resize_client(conn, client);
-                        xcb_flush(conn);
-                }
+                if (changed)
+                        DLOG("resize increments changed\n");
         }
 
         int base_width = 0, base_height = 0;
@@ -877,10 +885,11 @@ int handle_normal_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_w
         /* 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) {
+        if (size_hints.flags & XCB_SIZE_HINT_BASE_SIZE) {
                 base_width = size_hints.base_width;
                 base_height = size_hints.base_height;
         } else if (size_hints.flags & XCB_SIZE_HINT_P_MIN_SIZE) {
+                /* TODO: is this right? icccm says not */
                 base_width = size_hints.min_width;
                 base_height = size_hints.min_height;
         }
@@ -890,10 +899,17 @@ int handle_normal_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_w
                 client->base_width = base_width;
                 client->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 (changed) {
                 if (client->fullscreen)
                         DLOG("Not resizing client, it is in fullscreen mode\n");
-                else
+                else {
                         resize_client(conn, client);
+                        xcb_flush(conn);
+                }
         }
 
         /* If no aspect ratio was set or if it was invalid, we ignore the hints */
@@ -973,8 +989,8 @@ int handle_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t
         /* 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, screen->current_workspace);
+                Output *output = client->workspace->output;
+                render_workspace(conn, output, output->current_workspace);
                 xcb_flush(conn);
         }
 
@@ -1034,7 +1050,7 @@ int handle_clientleader_change(void *data, xcb_connection_t *conn, uint8_t state
                 return 1;
 
         xcb_window_t *leader = xcb_get_property_value(prop);
-        if (leader == NULL || *leader == 0)
+        if (leader == NULL)
                 return 1;
 
         DLOG("Client leader changed to %08x\n", *leader);