X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Fworkspace.c;h=8104aa89fc35d6da21765408718255e5d06a0473;hb=36583ec6ee7ada36764a492fdaae158a5cdd04c3;hp=1e2aaf4ff9b37d889a36ea830f47b3950be38bf9;hpb=8d2cb537942f7240b70026ddad8449a7010dad0c;p=i3%2Fi3

diff --git a/src/workspace.c b/src/workspace.c
index 1e2aaf4f..8104aa89 100644
--- a/src/workspace.c
+++ b/src/workspace.c
@@ -1,24 +1,90 @@
 /*
- * 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)
  *
  * workspace.c: Functions for modifying workspaces
  *
  */
-#include <stdio.h>
-#include <stdlib.h>
-#include <err.h>
+#include <limits.h>
 
-#include "util.h"
-#include "data.h"
-#include "i3.h"
-#include "config.h"
-#include "xcb.h"
+#include "all.h"
+
+/*
+ * Returns a pointer to the workspace with the given number (starting at 0),
+ * creating the workspace if necessary (by allocating the necessary amount of
+ * memory and initializing the data structures correctly).
+ *
+ */
+Con *workspace_get(const char *num, bool *created) {
+    Con *output, *workspace = NULL, *child;
+
+    /* TODO: could that look like this in the future?
+    GET_MATCHING_NODE(workspace, croot, strcasecmp(current->name, num) != 0);
+    */
+    TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
+        TAILQ_FOREACH(child, &(output_get_content(output)->nodes_head), nodes) {
+            if (strcasecmp(child->name, num) != 0)
+                continue;
+
+            workspace = child;
+            break;
+        }
+
+    LOG("getting ws %s\n", num);
+    if (workspace == NULL) {
+        LOG("need to create this one\n");
+        output = con_get_output(focused);
+        Con *content = output_get_content(output);
+        LOG("got output %p with content %p\n", output, content);
+        /* We need to attach this container after setting its type. con_attach
+         * will handle CT_WORKSPACEs differently */
+        workspace = con_new(NULL);
+        char *name;
+        asprintf(&name, "[i3 con] workspace %s", num);
+        x_set_name(workspace, name);
+        free(name);
+        workspace->type = CT_WORKSPACE;
+        FREE(workspace->name);
+        workspace->name = sstrdup(num);
+        /* We set ->num to the number if this workspace’s name consists only of
+         * a positive number. Otherwise it’s a named ws and num will be -1. */
+        char *end;
+        long parsed_num = strtol(num, &end, 10);
+        if (parsed_num == LONG_MIN ||
+            parsed_num == LONG_MAX ||
+            parsed_num < 0 ||
+            (end && *end != '\0'))
+            workspace->num = -1;
+        else workspace->num = parsed_num;
+        LOG("num = %d\n", workspace->num);
+
+        /* If default_orientation is set to NO_ORIENTATION we
+         * determine workspace orientation from workspace size.
+         * Otherwise we just set the orientation to default_orientation. */
+        if (config.default_orientation == NO_ORIENTATION) {
+            workspace->orientation = (output->rect.height > output->rect.width) ? VERT : HORIZ;
+            DLOG("Auto orientation. Output resolution set to (%d,%d), setting orientation to %d.\n",
+                 workspace->rect.width, workspace->rect.height, workspace->orientation);
+        } else {
+            workspace->orientation = config.default_orientation;
+        }
+
+        con_attach(workspace, content, false);
+
+        ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"init\"}");
+        if (created != NULL)
+            *created = true;
+    }
+    else if (created != NULL) {
+        *created = false;
+    }
+
+    return workspace;
+}
+
+#if 0
 
 /*
  * Sets the name (or just its number) for the given workspace. This has to
@@ -39,12 +105,15 @@ void workspace_set_name(Workspace *ws, const char *name) {
                 errx(1, "asprintf() failed");
 
         FREE(ws->name);
+        FREE(ws->utf8_name);
 
         ws->name = convert_utf8_to_ucs2(label, &(ws->name_len));
-        ws->text_width = predict_text_width(global_conn, config.font, ws->name, ws->name_len);
-
-        free(label);
+        if (config.font != NULL)
+                ws->text_width = predict_text_width(global_conn, config.font, ws->name, ws->name_len);
+        else ws->text_width = 0;
+        ws->utf8_name = label;
 }
+#endif
 
 /*
  * Returns true if the workspace is currently visible. Especially important for
@@ -52,6 +121,426 @@ void workspace_set_name(Workspace *ws, const char *name) {
  * workspaces.
  *
  */
-bool workspace_is_visible(Workspace *ws) {
-        return (ws->screen->current_workspace == ws->num);
+bool workspace_is_visible(Con *ws) {
+    Con *output = con_get_output(ws);
+    if (output == NULL)
+        return false;
+    Con *fs = con_get_fullscreen_con(output);
+    LOG("workspace visible? fs = %p, ws = %p\n", fs, ws);
+    return (fs == ws);
+}
+
+/*
+ * XXX: we need to clean up all this recursive walking code.
+ *
+ */
+Con *_get_sticky(Con *con, const char *sticky_group, Con *exclude) {
+    Con *current;
+
+    TAILQ_FOREACH(current, &(con->nodes_head), nodes) {
+        if (current != exclude &&
+            current->sticky_group != NULL &&
+            current->window != NULL &&
+            strcmp(current->sticky_group, sticky_group) == 0)
+            return current;
+
+        Con *recurse = _get_sticky(current, sticky_group, exclude);
+        if (recurse != NULL)
+            return recurse;
+    }
+
+    TAILQ_FOREACH(current, &(con->floating_head), floating_windows) {
+        if (current != exclude &&
+            current->sticky_group != NULL &&
+            current->window != NULL &&
+            strcmp(current->sticky_group, sticky_group) == 0)
+            return current;
+
+        Con *recurse = _get_sticky(current, sticky_group, exclude);
+        if (recurse != NULL)
+            return recurse;
+    }
+
+    return NULL;
+}
+
+/*
+ * Reassigns all child windows in sticky containers. Called when the user
+ * changes workspaces.
+ *
+ * XXX: what about sticky containers which contain containers?
+ *
+ */
+static void workspace_reassign_sticky(Con *con) {
+    Con *current;
+    /* 1: go through all containers */
+
+    /* handle all children and floating windows of this node */
+    TAILQ_FOREACH(current, &(con->nodes_head), nodes) {
+        if (current->sticky_group == NULL) {
+            workspace_reassign_sticky(current);
+            continue;
+        }
+
+        LOG("Ah, this one is sticky: %s / %p\n", current->name, current);
+        /* 2: find a window which we can re-assign */
+        Con *output = con_get_output(current);
+        Con *src = _get_sticky(output, current->sticky_group, current);
+
+        if (src == NULL) {
+            LOG("No window found for this sticky group\n");
+            workspace_reassign_sticky(current);
+            continue;
+        }
+
+        x_move_win(src, current);
+        current->window = src->window;
+        current->mapped = true;
+        src->window = NULL;
+        src->mapped = false;
+
+        x_reparent_child(current, src);
+
+        LOG("re-assigned window from src %p to dest %p\n", src, current);
+    }
+
+    TAILQ_FOREACH(current, &(con->floating_head), floating_windows)
+        workspace_reassign_sticky(current);
+}
+
+/*
+ * Switches to the given workspace
+ *
+ */
+void workspace_show(const char *num) {
+    Con *workspace, *current, *old = NULL;
+
+    bool changed_num_workspaces;
+    workspace = workspace_get(num, &changed_num_workspaces);
+
+    /* disable fullscreen for the other workspaces and get the workspace we are
+     * currently on. */
+    TAILQ_FOREACH(current, &(workspace->parent->nodes_head), nodes) {
+        if (current->fullscreen_mode == CF_OUTPUT)
+            old = current;
+        current->fullscreen_mode = CF_NONE;
+    }
+    assert(old != NULL);
+
+    /* enable fullscreen for the target workspace. If it happens to be the
+     * same one we are currently on anyways, we can stop here. */
+    workspace->fullscreen_mode = CF_OUTPUT;
+    if (workspace == con_get_workspace(focused)) {
+        DLOG("Not switching, already there.\n");
+        return;
+    }
+
+    workspace_reassign_sticky(workspace);
+
+    LOG("switching to %p\n", workspace);
+    Con *next = con_descend_focused(workspace);
+
+    if (old && TAILQ_EMPTY(&(old->nodes_head)) && TAILQ_EMPTY(&(old->floating_head))) {
+        /* check if this workspace is currently visible */
+        if (!workspace_is_visible(old)) {
+            LOG("Closing old workspace (%p / %s), it is empty\n", old, old->name);
+            tree_close(old, false, false);
+            ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"empty\"}");
+            changed_num_workspaces = true;
+        }
+    }
+
+    con_focus(next);
+    workspace->fullscreen_mode = CF_OUTPUT;
+    LOG("focused now = %p / %s\n", focused, focused->name);
+
+    /* Update the EWMH hints */
+    if (changed_num_workspaces)
+        ewmh_update_workarea();
+    ewmh_update_current_desktop();
+
+    ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"focus\"}");
+#if 0
+
+        /* Check if the workspace has not been used yet */
+        workspace_initialize(t_ws, c_ws->output, false);
+
+        if (c_ws->output != t_ws->output) {
+                /* We need to switch to the other output first */
+                DLOG("moving over to other output.\n");
+
+                /* Store the old client */
+                Client *old_client = CUR_CELL->currently_focused;
+
+                c_ws = t_ws->output->current_workspace;
+                current_col = c_ws->current_col;
+                current_row = c_ws->current_row;
+                if (CUR_CELL->currently_focused != NULL)
+                        need_warp = true;
+                else {
+                        Rect *dims = &(c_ws->output->rect);
+                        xcb_warp_pointer(conn, XCB_NONE, root, 0, 0, 0, 0,
+                                         dims->x + (dims->width / 2), dims->y + (dims->height / 2));
+                }
+
+                /* Re-decorate the old client, it’s not focused anymore */
+                if ((old_client != NULL) && !old_client->dock)
+                        redecorate_window(conn, old_client);
+                else xcb_flush(conn);
+
+                /* We need to check if a global fullscreen-client is blocking
+                 * the t_ws and if necessary switch that to local fullscreen */
+                Client* client = c_ws->fullscreen_client;
+                if (client != NULL && client->workspace != c_ws) {
+                        if (c_ws->fullscreen_client->workspace != c_ws)
+                                c_ws->fullscreen_client = NULL;
+                        client_enter_fullscreen(conn, client, false);
+                }
+        }
+
+        /* Check if we need to change something or if we’re already there */
+        if (c_ws->output->current_workspace->num == (workspace-1)) {
+                Client *last_focused = SLIST_FIRST(&(c_ws->focus_stack));
+                if (last_focused != SLIST_END(&(c_ws->focus_stack)))
+                        set_focus(conn, last_focused, true);
+                if (need_warp) {
+                        client_warp_pointer_into(conn, last_focused);
+                        xcb_flush(conn);
+                }
+
+                ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"focus\"}");
+
+                return;
+        }
+
+        Workspace *old_workspace = c_ws;
+        c_ws = t_ws->output->current_workspace = workspace_get(workspace-1);
+
+        /* Unmap all clients of the old workspace */
+        workspace_unmap_clients(conn, old_workspace);
+
+        current_row = c_ws->current_row;
+        current_col = c_ws->current_col;
+        DLOG("new current row = %d, current col = %d\n", current_row, current_col);
+
+        ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"focus\"}");
+
+        workspace_map_clients(conn, c_ws);
+
+        /* POTENTIAL TO IMPROVE HERE: due to the call to _map_clients first and
+         * render_layout afterwards, there is a short flickering on the source
+         * workspace (assign ws 3 to output 0, ws 4 to output 1, create single
+         * client on ws 4, move it to ws 3, switch to ws 3, you’ll see the
+         * flickering). */
+
+        /* Restore focus on the new workspace */
+        Client *last_focused = SLIST_FIRST(&(c_ws->focus_stack));
+        if (last_focused != SLIST_END(&(c_ws->focus_stack)))
+                set_focus(conn, last_focused, true);
+        else xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, root, XCB_CURRENT_TIME);
+
+        render_layout(conn);
+
+        /* We can warp the pointer only after the window has been
+         * reconfigured in render_layout, otherwise the pointer will
+         * be warped to the old position, which will not work when we
+         * moved it to another output. */
+        if (last_focused != SLIST_END(&(c_ws->focus_stack)) && need_warp) {
+                client_warp_pointer_into(conn, last_focused);
+                xcb_flush(conn);
+        }
+#endif
+}
+
+#if 0
+/*
+ * Assigns the given workspace to the given output by correctly updating its
+ * state and reconfiguring all the clients on this workspace.
+ *
+ * This is called when initializing a output and when re-assigning it to a
+ * different output which just got available (if you configured it to be on
+ * output 1 and you just plugged in output 1).
+ *
+ */
+void workspace_assign_to(Workspace *ws, Output *output, bool hide_it) {
+        Client *client;
+        bool empty = true;
+        bool visible = workspace_is_visible(ws);
+
+        ws->output = output;
+
+        /* Copy the dimensions from the virtual output */
+        memcpy(&(ws->rect), &(ws->output->rect), sizeof(Rect));
+
+        ewmh_update_workarea();
+
+        /* Force reconfiguration for each client on that workspace */
+        SLIST_FOREACH(client, &(ws->focus_stack), focus_clients) {
+                client->force_reconfigure = true;
+                empty = false;
+        }
+
+        if (empty)
+                return;
+
+        /* Render the workspace to reconfigure the clients. However, they will be visible now, so… */
+        render_workspace(global_conn, output, ws);
+
+        /* …unless we want to see them at the moment, we should hide that workspace */
+        if (visible && !hide_it)
+                return;
+
+        /* however, if this is the current workspace, we only need to adjust
+         * the output’s current_workspace pointer (and must not unmap the
+         * windows) */
+        if (c_ws == ws) {
+                DLOG("Need to adjust output->current_workspace...\n");
+                output->current_workspace = c_ws;
+                ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"focus\"}");
+                return;
+        }
+
+        workspace_unmap_clients(global_conn, ws);
+}
+
+/*
+ * Initializes the given workspace if it is not already initialized. The given
+ * screen is to be understood as a fallback, if the workspace itself either
+ * was not assigned to a particular screen or cannot be placed there because
+ * the screen is not attached at the moment.
+ *
+ */
+void workspace_initialize(Workspace *ws, Output *output, bool recheck) {
+        Output *old_output;
+
+        if (ws->output != NULL && !recheck) {
+                DLOG("Workspace already initialized\n");
+                return;
+        }
+
+        old_output = ws->output;
+
+        /* If this workspace has no preferred output or if the output it wants
+         * to be on is not available at the moment, we initialize it with
+         * the output which was given */
+        if (ws->preferred_output == NULL ||
+            (ws->output = get_output_by_name(ws->preferred_output)) == NULL)
+                ws->output = output;
+
+        DLOG("old_output = %p, ws->output = %p\n", old_output, ws->output);
+        /* If the assignment did not change, we do not need to update anything */
+        if (old_output != NULL && ws->output == old_output)
+                return;
+
+        workspace_assign_to(ws, ws->output, false);
+}
+
+/*
+ * Gets the first unused workspace for the given screen, taking into account
+ * the preferred_output setting of every workspace (workspace assignments).
+ *
+ */
+Workspace *get_first_workspace_for_output(Output *output) {
+        Workspace *result = NULL;
+
+        Workspace *ws;
+        TAILQ_FOREACH(ws, workspaces, workspaces) {
+                if (ws->preferred_output == NULL ||
+                    get_output_by_name(ws->preferred_output) != output)
+                        continue;
+
+                result = ws;
+                break;
+        }
+
+        if (result == NULL) {
+                /* No assignment found, returning first unused workspace */
+                TAILQ_FOREACH(ws, workspaces, workspaces) {
+                        if (ws->output != NULL)
+                                continue;
+
+                        result = ws;
+                        break;
+                }
+        }
+
+        if (result == NULL) {
+                DLOG("No existing free workspace found to assign, creating a new one\n");
+
+                int last_ws = 0;
+                TAILQ_FOREACH(ws, workspaces, workspaces)
+                        last_ws = ws->num;
+                result = workspace_get(last_ws + 1, NULL);
+        }
+
+        workspace_initialize(result, output, false);
+        return result;
+}
+
+#endif
+
+static bool get_urgency_flag(Con *con) {
+    Con *child;
+    TAILQ_FOREACH(child, &(con->nodes_head), nodes)
+        if (child->urgent || get_urgency_flag(child))
+            return true;
+
+    TAILQ_FOREACH(child, &(con->floating_head), floating_windows)
+        if (child->urgent || get_urgency_flag(child))
+            return true;
+
+    return false;
+}
+
+/*
+ * Goes through all clients on the given workspace and updates the workspace’s
+ * urgent flag accordingly.
+ *
+ */
+void workspace_update_urgent_flag(Con *ws) {
+    bool old_flag = ws->urgent;
+    ws->urgent = get_urgency_flag(ws);
+    DLOG("Workspace urgency flag changed from %d to %d\n", old_flag, ws->urgent);
+
+    if (old_flag != ws->urgent)
+        ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"urgent\"}");
+}
+
+/*
+ * 'Forces' workspace orientation by moving all cons into a new split-con with
+ * the same orientation as the workspace and then changing the workspace
+ * orientation.
+ *
+ */
+void ws_force_orientation(Con *ws, orientation_t orientation) {
+    /* 1: create a new split container */
+    Con *split = con_new(NULL);
+    split->parent = ws;
+
+    /* 2: copy layout and orientation from workspace */
+    split->layout = ws->layout;
+    split->orientation = ws->orientation;
+
+    Con *old_focused = TAILQ_FIRST(&(ws->focus_head));
+
+    /* 3: move the existing cons of this workspace below the new con */
+    DLOG("Moving cons\n");
+    while (!TAILQ_EMPTY(&(ws->nodes_head))) {
+        Con *child = TAILQ_FIRST(&(ws->nodes_head));
+        con_detach(child);
+        con_attach(child, split, true);
+    }
+
+    /* 4: switch workspace orientation */
+    ws->orientation = orientation;
+
+    /* 5: attach the new split container to the workspace */
+    DLOG("Attaching new split to ws\n");
+    con_attach(split, ws, false);
+
+    /* 6: fix the percentages */
+    con_fix_percent(ws);
+
+    if (old_focused)
+        con_focus(old_focused);
 }