*
* i3 - an improved dynamic tiling window manager
*
- * © 2009 Michael Stapelberg and contributors
+ * © 2009-2010 Michael Stapelberg and contributors
*
* See file LICENSE for license information.
*
*
*/
#include <xcb/xcb.h>
+#include <xcb/randr.h>
#include <xcb/xcb_atom.h>
#include <stdbool.h>
*
* Let’s start from the biggest to the smallest:
*
- * - An i3Screen is a virtual screen (Xinerama). This can be a single one,
- * though two monitors might be connected, if you’re running clone
- * mode. There can also be multiple of them.
+ * - An Output is a physical output on your graphics driver. Outputs which
+ * are currently in use have (output->active == true). Each output has a
+ * position and a mode. An output usually corresponds to one connected
+ * screen (except if you are running multiple screens in clone mode).
*
- * - Each i3Screen contains Workspaces. The concept is known from various
+ * - Each Output contains Workspaces. The concept is known from various
* other window managers. Basically, a workspace is a specific set of
* windows, usually grouped thematically (irc, www, work, …). You can switch
* between these.
typedef struct Binding Binding;
typedef struct Workspace Workspace;
typedef struct Rect Rect;
-typedef struct Screen i3Screen;
+typedef struct xoutput Output;
/******************************************************************************
* Helper types
};
/**
- * FIXME: needs to be documented
+ * Stores a rectangle, for example the size of a window, the child window etc.
+ * It needs to be packed so that the compiler will not add any padding bytes.
+ * (it is used in src/ewmh.c for example)
+ *
+ * Note that x and y can contain signed values in some cases (for example when
+ * used for the coordinates of a window, which can be set outside of the
+ * visible area, but not when specifying the position of a workspace for the
+ * _NET_WM_WORKAREA hint). Not declaring x/y as int32_t saves us a lot of
+ * typecasts.
*
*/
struct Rect {
- uint32_t x, y;
- uint32_t width, height;
-};
+ uint32_t x;
+ uint32_t y;
+ uint32_t width;
+ uint32_t height;
+} __attribute__((packed));
/**
* Defines a position in the table
SLIST_ENTRY(Colorpixel) colorpixels;
};
+struct Cached_Pixmap {
+ xcb_pixmap_t id;
+
+ /* We’re going to paint on it, so a graphics context will be needed */
+ xcb_gcontext_t gc;
+
+ /* The rect with which the pixmap was created */
+ Rect rect;
+
+ /* The rect of the object to which this pixmap belongs. Necessary to
+ * find out when we need to re-create the pixmap. */
+ Rect *referred_rect;
+
+ xcb_drawable_t referred_drawable;
+};
+
/**
* Contains data for the windows needed to draw the titlebars on in stacking
* mode
*/
struct Stack_Window {
xcb_window_t window;
- xcb_gcontext_t gc;
+ struct Cached_Pixmap pixmap;
Rect rect;
/** Backpointer to the container this stack window is in */
TAILQ_ENTRY(keyvalue_element) elements;
};
-/**
- * FIXME: needs documentation.
- *
- */
-typedef struct {
- enum xcb_atom_fast_tag_t tag;
- union {
- xcb_get_window_attributes_cookie_t cookie;
- uint8_t override_redirect;
- } u;
-} window_attributes_t;
-
/******************************************************************************
* Major types
*****************************************************************************/
/** Number of this workspace, starting from 0 */
int num;
+ /** Name of the workspace (in UTF-8) */
+ char *utf8_name;
+
+ /** Name of the workspace (in UCS-2) */
+ char *name;
+
+ /** Length of the workspace’s name (in glyphs) */
+ int name_len;
+
+ /** Width of the workspace’s name (in pixels) rendered in config.font */
+ int text_width;
+
/** x, y, width, height */
Rect rect;
/** Are the floating clients on this workspace currently hidden? */
bool floating_hidden;
+ /** The name of the RandR output this screen should be on */
+ char *preferred_output;
+
+ /** True if any client on this workspace has its urgent flag set */
+ bool urgent;
+
/** the client who is started in fullscreen mode on this workspace,
* NULL if there is none */
Client *fullscreen_client;
* appended) */
TAILQ_HEAD(floating_clients_head, Client) floating_clients;
- /** Backpointer to the screen this workspace is on */
- i3Screen *screen;
+ /** Backpointer to the output this workspace is on */
+ Output *output;
/** This is a two-dimensional dynamic array of
* Container-pointers. I’ve always wanted to be a three-star
* opened, for example) have the same size as always */
float *width_factor;
float *height_factor;
+
+ TAILQ_ENTRY(Workspace) workspaces;
};
/**
*
*/
struct Binding {
+ /** Symbol the user specified in configfile, if any. This needs to be
+ * stored with the binding to be able to re-convert it into a keycode
+ * if the keyboard mapping changes (using Xmodmap for example) */
+ char *symbol;
+
+ /** Only in use if symbol != NULL. Gets set to the value to which the
+ * symbol got translated when binding. Useful for unbinding and
+ * checking which binding was used when a key press event comes in.
+ *
+ * This is an array of number_keycodes size. */
+ xcb_keycode_t *translated_to;
+
+ uint32_t number_keycodes;
+
/** Keycode to bind */
uint32_t keycode;
+
/** Bitmask consisting of BIND_MOD_1, BIND_MODE_SWITCH, … */
uint32_t mods;
+
/** Command, like in command mode */
char *command;
+
TAILQ_ENTRY(Binding) bindings;
};
/** floating is true if this was an assignment to the special
* workspace "~". Matching clients will be put into floating mode
* automatically. */
- bool floating;
- /** FIXME: needs documentation */
+ enum {
+ ASSIGN_FLOATING_NO, /* don’t float, but put on a workspace */
+ ASSIGN_FLOATING_ONLY, /* float, but don’t assign on a workspace */
+ ASSIGN_FLOATING /* float and put on a workspace */
+ } floating;
+
+ /** The number of the workspace to assign to. */
int workspace;
TAILQ_ENTRY(Assignment) assignments;
};
int proportional_height;
int proportional_width;
+ int base_height;
+ int base_width;
+
+ /** The amount of pixels which X will draw around the client. */
+ int border_width;
+
+ /** contains the minimum increment size as specified for the window
+ * (in pixels). */
+ int width_increment;
+ int height_increment;
+
/** Height which was determined by reading the _NET_WM_STRUT_PARTIAL
* top/bottom of the screen reservation */
int desired_height;
* in. If set to true, legacy window names are ignored. */
bool uses_net_wm_name;
- /** Holds the WM_CLASS, useful for matching the client in commands */
- char *window_class;
+ /** Holds the WM_CLASS (which consists of two strings, the instance
+ * and the class), useful for matching the client in commands */
+ char *window_class_instance;
+ char *window_class_class;
+
+ /** Holds the client’s mark, for vim-like jumping */
+ char *mark;
+
+ /** Holds the xcb_window_t (just an ID) for the leader window (logical
+ * parent for toolwindows and similar floating windows) */
+ xcb_window_t leader;
/** fullscreen is pretty obvious */
bool fullscreen;
* initialization later */
enum { TITLEBAR_TOP = 0, TITLEBAR_LEFT, TITLEBAR_RIGHT, TITLEBAR_BOTTOM, TITLEBAR_OFF } titlebar_position;
+ /** Contains a bool specifying whether this window should not be drawn
+ * with the usual decorations */
+ bool borderless;
+
/** If a client is set as a dock, it is placed at the very bottom of
* the screen and its requested size is used */
bool dock;
+ /** True if the client set the urgency flag in its WM_HINTS property */
+ bool urgent;
+
/* After leaving fullscreen mode, a client needs to be reconfigured
* (configuration = setting X, Y, width and height). By setting the
* force_reconfigure flag, render_layout() will reconfigure the
};
/**
- * A container is either in default or stacking mode. It sits inside each cell
- * of the table.
+ * A container is either in default, stacking or tabbed mode. There is one for
+ * each cell of the table.
*
*/
struct Container {
/* Ensure MODE_DEFAULT maps to 0 because we use calloc for
* initialization later */
- enum { MODE_DEFAULT = 0, MODE_STACK } mode;
+ enum { MODE_DEFAULT = 0, MODE_STACK, MODE_TABBED } mode;
+
+ /* When in stacking, one can either have unlimited windows inside the
+ * container or set a limit for the rows or columns the stack window
+ * should display to use the screen more efficiently. */
+ enum { STACK_LIMIT_NONE = 0, STACK_LIMIT_COLS, STACK_LIMIT_ROWS } stack_limit;
+
+ /* The number of columns or rows to limit to, see stack_limit */
+ int stack_limit_value;
+
CIRCLEQ_HEAD(client_head, Client) clients;
};
/**
- * This is a virtual screen (Xinerama). This can be a single one, though two
- * monitors might be connected, if you’re running clone mode. There can also
- * be multiple of them.
+ * An Output is a physical output on your graphics driver. Outputs which
+ * are currently in use have (output->active == true). Each output has a
+ * position and a mode. An output usually corresponds to one connected
+ * screen (except if you are running multiple screens in clone mode).
*
*/
-struct Screen {
- /** Virtual screen number */
- int num;
+struct xoutput {
+ /** Output id, so that we can requery the output directly later */
+ xcb_randr_output_t id;
+ /** Name of the output */
+ char *name;
+
+ /** Whether the output is currently active (has a CRTC attached with a
+ * valid mode) */
+ bool active;
+
+ /** Internal flags, necessary for querying RandR screens (happens in
+ * two stages) */
+ bool changed;
+ bool to_be_disabled;
/** Current workspace selected on this virtual screen */
- int current_workspace;
+ Workspace *current_workspace;
/** x, y, width, height */
Rect rect;
* _NET_WM_WINDOW_TYPE_DOCK */
SLIST_HEAD(dock_clients_head, Client) dock_clients;
- TAILQ_ENTRY(Screen) screens;
+ TAILQ_ENTRY(xoutput) outputs;
};
#endif
projects / i3 / i3 / blobdiff