#include <sys/wait.h>
#include <stdarg.h>
#include <assert.h>
+#include <iconv.h>
+
+#include <xcb/xcb_icccm.h>
#include "i3.h"
#include "data.h"
#include "layout.h"
#include "util.h"
#include "xcb.h"
+#include "client.h"
+
+static iconv_t conversion_descriptor = 0;
+struct keyvalue_table_head by_parent = TAILQ_HEAD_INITIALIZER(by_parent);
+struct keyvalue_table_head by_child = TAILQ_HEAD_INITIALIZER(by_child);
int min(int a, int b) {
return (a < b ? a : b);
va_end(args);
}
-/*
- * Prints the message (see printf()) to stderr, then exits the program.
- *
- */
-void die(char *fmt, ...) {
- va_list args;
-
- va_start(args, fmt);
- vfprintf(stderr, fmt, args);
- va_end(args);
-
- exit(EXIT_FAILURE);
-}
-
/*
* The s* functions (safe) are wrappers around malloc, strdup, …, which exits if one of
* the called functions returns NULL, meaning that there is no more memory available
*/
void *smalloc(size_t size) {
void *result = malloc(size);
- exit_if_null(result, "Too less memory for malloc(%d)\n", size);
+ exit_if_null(result, "Error: out of memory (malloc(%zd))\n", size);
return result;
}
void *scalloc(size_t size) {
void *result = calloc(size, 1);
- exit_if_null(result, "Too less memory for calloc(%d)\n", size);
+ exit_if_null(result, "Error: out of memory (calloc(%zd))\n", size);
return result;
}
char *sstrdup(const char *str) {
char *result = strdup(str);
- exit_if_null(result, "Too less memory for strdup()\n");
+ exit_if_null(result, "Error: out of memory (strdup())\n");
return result;
}
+/*
+ * The table_* functions emulate the behaviour of libxcb-wm, which in libxcb 0.3.4 suddenly
+ * vanished. Great.
+ *
+ */
+bool table_put(struct keyvalue_table_head *head, uint32_t key, void *value) {
+ struct keyvalue_element *element = scalloc(sizeof(struct keyvalue_element));
+ element->key = key;
+ element->value = value;
+
+ TAILQ_INSERT_TAIL(head, element, elements);
+ return true;
+}
+
+void *table_remove(struct keyvalue_table_head *head, uint32_t key) {
+ struct keyvalue_element *element;
+
+ TAILQ_FOREACH(element, head, elements)
+ if (element->key == key) {
+ void *value = element->value;
+ TAILQ_REMOVE(head, element, elements);
+ free(element);
+ return value;
+ }
+
+ return NULL;
+}
+
+void *table_get(struct keyvalue_table_head *head, uint32_t key) {
+ struct keyvalue_element *element;
+
+ TAILQ_FOREACH(element, head, elements)
+ if (element->key == key)
+ return element->value;
+
+ return NULL;
+}
+
/*
* Starts the given application by passing it through a shell. We use double fork
* to avoid zombie processes. As the started application’s parent exits (immediately),
}
/*
- * Removes the given client from the container, either because it will be inserted into another
- * one or because it was unmapped
+ * Converts the given string to UCS-2 big endian for use with
+ * xcb_image_text_16(). The amount of real glyphs is stored in real_strlen,
+ * a buffer containing the UCS-2 encoded string (16 bit per glyph) is
+ * returned. It has to be freed when done.
*
*/
-void remove_client_from_container(xcb_connection_t *conn, Client *client, Container *container) {
- CIRCLEQ_REMOVE(&(container->clients), client, clients);
-
- /* If the container will be empty now and is in stacking mode, we need to
- unmap the stack_win */
- if (CIRCLEQ_EMPTY(&(container->clients)) && container->mode == MODE_STACK) {
- struct Stack_Window *stack_win = &(container->stack_win);
- stack_win->rect.height = 0;
- xcb_unmap_window(conn, stack_win->window);
+char *convert_utf8_to_ucs2(char *input, int *real_strlen) {
+ size_t input_size = strlen(input) + 1;
+ /* UCS-2 consumes exactly two bytes for each glyph */
+ int buffer_size = input_size * 2;
+
+ char *buffer = smalloc(buffer_size);
+ size_t output_size = buffer_size;
+ /* We need to use an additional pointer, because iconv() modifies it */
+ char *output = buffer;
+
+ /* We convert the input into UCS-2 big endian */
+ if (conversion_descriptor == 0) {
+ conversion_descriptor = iconv_open("UCS-2BE", "UTF-8");
+ if (conversion_descriptor == 0) {
+ fprintf(stderr, "error opening the conversion context\n");
+ exit(1);
+ }
}
+
+ /* Get the conversion descriptor back to original state */
+ iconv(conversion_descriptor, NULL, NULL, NULL, NULL);
+
+ /* Convert our text */
+ int rc = iconv(conversion_descriptor, (void*)&input, &input_size, &output, &output_size);
+ if (rc == (size_t)-1) {
+ perror("Converting to UCS-2 failed");
+ if (real_strlen != NULL)
+ *real_strlen = 0;
+ return NULL;
+ }
+
+ if (real_strlen != NULL)
+ *real_strlen = ((buffer_size - output_size) / 2) - 1;
+
+ return buffer;
}
+/*
+ * Returns the client which comes next in focus stack (= was selected before) for
+ * the given container, optionally excluding the given client.
+ *
+ */
+Client *get_last_focused_client(xcb_connection_t *conn, Container *container, Client *exclude) {
+ Client *current;
+ SLIST_FOREACH(current, &(container->workspace->focus_stack), focus_clients)
+ if ((current->container == container) && ((exclude == NULL) || (current != exclude)))
+ return current;
+ return NULL;
+}
+
+
/*
* Sets the given client as focused by updating the data structures correctly,
* updating the X input focus and finally re-decorating both windows (to signalize
* the user the new focus situation)
*
*/
-void set_focus(xcb_connection_t *conn, Client *client) {
- /* The dock window cannot be focused */
- /* TODO: does this play well with dzen2’s popup menus? or do we just need to set the input
- focus but not update our internal structures? */
+void set_focus(xcb_connection_t *conn, Client *client, bool set_anyways) {
+ /* The dock window cannot be focused, but enter notifies are still handled correctly */
if (client->dock)
return;
/* Store the old client */
- Client *old_client = CUR_CELL->currently_focused;
+ Client *old_client = SLIST_FIRST(&(c_ws->focus_stack));
+
+ /* Check if the focus needs to be changed at all */
+ if (!set_anyways && (old_client == client)) {
+ LOG("old_client == client, not changing focus\n");
+ return;
+ }
- /* TODO: check if the focus needs to be changed at all */
/* Store current_row/current_col */
c_ws->current_row = current_row;
c_ws->current_col = current_col;
- c_ws = client->container->workspace;
+ c_ws = client->workspace;
+ /* Load current_col/current_row if we switch to a client without a container */
+ current_col = c_ws->current_col;
+ current_row = c_ws->current_row;
/* Update container */
- client->container->currently_focused = client;
+ if (client->container != NULL) {
+ client->container->currently_focused = client;
- current_col = client->container->col;
- current_row = client->container->row;
+ current_col = client->container->col;
+ current_row = client->container->row;
+ }
LOG("set_focus(frame %08x, child %08x, name %s)\n", client->frame, client->child, client->name);
/* Set focus to the entered window, and flush xcb buffer immediately */
xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, client->child, XCB_CURRENT_TIME);
//xcb_warp_pointer(conn, XCB_NONE, client->child, 0, 0, 0, 0, 10, 10);
+ if (client->container != NULL) {
+ /* Get the client which was last focused in this particular container, it may be a different
+ one than old_client */
+ Client *last_focused = get_last_focused_client(conn, client->container, NULL);
+
+ /* In stacking containers, raise the client in respect to the one which was focused before */
+ if (client->container->mode == MODE_STACK && client->container->workspace->fullscreen_client == NULL) {
+ /* We need to get the client again, this time excluding the current client, because
+ * we might have just gone into stacking mode and need to raise */
+ Client *last_focused = get_last_focused_client(conn, client->container, client);
+
+ if (last_focused != NULL) {
+ LOG("raising above frame %p / child %p\n", last_focused->frame, last_focused->child);
+ uint32_t values[] = { last_focused->frame, XCB_STACK_MODE_ABOVE };
+ xcb_configure_window(conn, client->frame, XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE, values);
+ }
+ }
+
+ /* If it is the same one as old_client, we save us the unnecessary redecorate */
+ if ((last_focused != NULL) && (last_focused != old_client))
+ redecorate_window(conn, last_focused);
+ }
+
+ /* If the last client was a floating client, we need to go to the next
+ * tiling client in stack and re-decorate it. */
+ if (old_client != NULL && client_is_floating(old_client)) {
+ LOG("Coming from floating client, searching next tiling...\n");
+ Client *current;
+ SLIST_FOREACH(current, &(client->workspace->focus_stack), focus_clients) {
+ if (client_is_floating(current))
+ continue;
+
+ LOG("Found window: %p / child %p\n", current->frame, current->child);
+ redecorate_window(conn, current);
+ break;
+ }
+
+ }
+
+ SLIST_REMOVE(&(client->workspace->focus_stack), client, Client, focus_clients);
+ SLIST_INSERT_HEAD(&(client->workspace->focus_stack), client, focus_clients);
+
/* If we’re in stacking mode, this renders the container to update changes in the title
bars and to raise the focused client */
- if ((old_client != NULL) && (old_client != client))
+ if ((old_client != NULL) && (old_client != client) && !old_client->dock)
redecorate_window(conn, old_client);
- SLIST_REMOVE(&(client->container->workspace->focus_stack), client, Client, focus_clients);
- SLIST_INSERT_HEAD(&(client->container->workspace->focus_stack), client, focus_clients);
-
/* redecorate_window flushes, so we don’t need to */
redecorate_window(conn, client);
}
SLIST_REMOVE(&stack_wins, stack_win, Stack_Window, stack_windows);
- xcb_free_gc(conn, stack_win->gc);
+ xcb_free_gc(conn, stack_win->pixmap.gc);
+ xcb_free_pixmap(conn, stack_win->pixmap.id);
xcb_destroy_window(conn, stack_win->window);
stack_win->rect.width = -1;
/* When entering stacking mode, we need to open a window on which we can draw the
title bars of the clients, it has height 1 because we don’t bother here with
calculating the correct height - it will be adjusted when rendering anyways. */
- Rect rect = {container->x, container->y, container->width, 1 };
+ Rect rect = {container->x, container->y, container->width, 1};
uint32_t mask = 0;
uint32_t values[2];
/* We want to know when… */
mask |= XCB_CW_EVENT_MASK;
- values[1] = XCB_EVENT_MASK_BUTTON_PRESS | /* …mouse is pressed */
+ values[1] = XCB_EVENT_MASK_ENTER_WINDOW | /* …mouse is moved into our window */
+ XCB_EVENT_MASK_BUTTON_PRESS | /* …mouse is pressed */
XCB_EVENT_MASK_EXPOSURE; /* …our window needs to be redrawn */
struct Stack_Window *stack_win = &(container->stack_win);
- stack_win->window = create_window(conn, rect, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_CURSOR_LEFT_PTR, mask, values);
+ stack_win->window = create_window(conn, rect, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_CURSOR_LEFT_PTR, false, mask, values);
+
+ stack_win->rect.height = 0;
- /* Generate a graphics context for the titlebar */
- stack_win->gc = xcb_generate_id(conn);
- xcb_create_gc(conn, stack_win->gc, stack_win->window, 0, 0);
+ /* Initialize the entry for our cached pixmap. It will be
+ * created as soon as it’s needed (see cached_pixmap_prepare). */
+ memset(&(stack_win->pixmap), 0, sizeof(struct Cached_Pixmap));
+ stack_win->pixmap.referred_rect = &stack_win->rect;
+ stack_win->pixmap.referred_drawable = stack_win->window;
stack_win->container = container;
client->force_reconfigure = true;
render_layout(conn);
-}
-/*
- * Warps the pointer into the given client (in the middle of it, to be specific), therefore
- * selecting it
- *
- */
-void warp_pointer_into(xcb_connection_t *conn, Client *client) {
- int mid_x = client->rect.width / 2,
- mid_y = client->rect.height / 2;
- xcb_warp_pointer(conn, XCB_NONE, client->child, 0, 0, 0, 0, mid_x, mid_y);
-}
+ if (container->currently_focused != NULL) {
+ /* We need to make sure that this client is above *each* of the
+ * other clients in this container */
+ Client *last_focused = get_last_focused_client(conn, container, container->currently_focused);
-/*
- * Toggles fullscreen mode for the given client. It updates the data structures and
- * reconfigures (= resizes/moves) the client and its frame to the full size of the
- * screen. When leaving fullscreen, re-rendering the layout is forced.
- *
- */
-void toggle_fullscreen(xcb_connection_t *conn, Client *client) {
- /* clients without a container (docks) cannot be focused */
- assert(client->container != NULL);
+ CIRCLEQ_FOREACH(client, &(container->clients), clients) {
+ if (client == container->currently_focused || client == last_focused)
+ continue;
- Workspace *workspace = client->container->workspace;
+ LOG("setting %08x below %08x / %08x\n", client->frame, container->currently_focused->frame);
+ uint32_t values[] = { container->currently_focused->frame, XCB_STACK_MODE_BELOW };
+ xcb_configure_window(conn, client->frame,
+ XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE, values);
+ }
- workspace->fullscreen_client = (client->fullscreen ? NULL : client);
+ if (last_focused != NULL) {
+ LOG("Putting last_focused directly underneath the currently focused\n");
+ uint32_t values[] = { container->currently_focused->frame, XCB_STACK_MODE_BELOW };
+ xcb_configure_window(conn, last_focused->frame,
+ XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE, values);
+ }
- client->fullscreen = !client->fullscreen;
- if (client->fullscreen) {
- LOG("Entering fullscreen mode...\n");
- /* We just entered fullscreen mode, let’s configure the window */
- uint32_t mask = XCB_CONFIG_WINDOW_X |
- XCB_CONFIG_WINDOW_Y |
- XCB_CONFIG_WINDOW_WIDTH |
- XCB_CONFIG_WINDOW_HEIGHT;
- uint32_t values[4] = {workspace->rect.x,
- workspace->rect.y,
- workspace->rect.width,
- workspace->rect.height};
+ set_focus(conn, container->currently_focused, true);
+ }
+}
- LOG("child itself will be at %dx%d with size %dx%d\n",
- values[0], values[1], values[2], values[3]);
+/*
+ * Gets the first matching client for the given window class/window title.
+ * If the paramater specific is set to a specific client, only this one
+ * will be checked.
+ *
+ */
+Client *get_matching_client(xcb_connection_t *conn, const char *window_classtitle,
+ Client *specific) {
+ char *to_class, *to_title, *to_title_ucs = NULL;
+ int to_title_ucs_len = 0;
+ Client *matching = NULL;
+
+ to_class = sstrdup(window_classtitle);
+
+ /* If a title was specified, split both strings at the slash */
+ if ((to_title = strstr(to_class, "/")) != NULL) {
+ *(to_title++) = '\0';
+ /* Convert to UCS-2 */
+ to_title_ucs = convert_utf8_to_ucs2(to_title, &to_title_ucs_len);
+ }
- xcb_configure_window(conn, client->frame, mask, values);
+ /* If we were given a specific client we only check if that one matches */
+ if (specific != NULL) {
+ if (client_matches_class_name(specific, to_class, to_title, to_title_ucs, to_title_ucs_len))
+ matching = specific;
+ goto done;
+ }
- /* Child’s coordinates are relative to the parent (=frame) */
- values[0] = 0;
- values[1] = 0;
- xcb_configure_window(conn, client->child, mask, values);
+ LOG("Getting clients for class \"%s\" / title \"%s\"\n", to_class, to_title);
+ for (int workspace = 0; workspace < 10; workspace++) {
+ if (workspaces[workspace].screen == NULL)
+ continue;
- /* Raise the window */
- values[0] = XCB_STACK_MODE_ABOVE;
- xcb_configure_window(conn, client->frame, XCB_CONFIG_WINDOW_STACK_MODE, values);
+ Client *client;
+ SLIST_FOREACH(client, &(workspaces[workspace].focus_stack), focus_clients) {
+ LOG("Checking client with class=%s, name=%s\n", client->window_class, client->name);
+ if (!client_matches_class_name(client, to_class, to_title, to_title_ucs, to_title_ucs_len))
+ continue;
- } else {
- LOG("leaving fullscreen mode\n");
- /* Because the coordinates of the window haven’t changed, it would not be
- re-configured if we don’t set the following flag */
- client->force_reconfigure = true;
- /* We left fullscreen mode, redraw the container */
- render_container(conn, client->container);
+ matching = client;
+ goto done;
+ }
}
- xcb_flush(conn);
+done:
+ free(to_class);
+ FREE(to_title_ucs);
+ return matching;
}
projects / i3 / i3 / blobdiff