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mcwm.c
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/*
* mcwm, a small window manager for the X Window System using the X
* protocol C Binding libraries.
*
* For 'user' configurable stuff, see config.h.
*
* MC, mc at the domain hack.org
* http://hack.org/mc/
*
* Copyright (c) 2010, 2011, 2012, 2013, 2014 Michael Cardell
* Widerkrantz, mc at the domain hack.org.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define _GNU_SOURCE
#include <stdlib.h>
#include <stdio.h>
#include <stdbool.h>
#include <stdint.h>
#include <unistd.h>
#include <errno.h>
#include <getopt.h>
#include <string.h>
#include <signal.h>
#include <assert.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/select.h>
#include <xcb/xcb.h>
#include <xcb/randr.h>
#include <xcb/xcb_keysyms.h>
#include <xcb/xcb_atom.h>
#include <xcb/xcb_icccm.h>
#include <X11/keysym.h>
#include <xcb/xproto.h>
#include <xcb/xcb_util.h>
#ifdef DEBUG
#include "events.h"
#endif
#include "list.h"
/* Check here for user configurable parts: */
#include "config.h"
#ifdef DMALLOC
#include "dmalloc.h"
#endif
#ifdef DEBUG
#define PDEBUG(Args...) \
do { fprintf(stderr, "mcwm: "); fprintf(stderr, ##Args); } while(0)
#define D(x) x
#else
#define PDEBUG(Args...)
#define D(x)
#endif
/* Internal Constants. */
/* We're currently moving a window with the mouse. */
#define MCWM_MOVE 2
/* We're currently resizing a window with the mouse. */
#define MCWM_RESIZE 3
/*
* We're currently tabbing around the window list, looking for a new
* window to focus on.
*/
#define MCWM_TABBING 4
/* Number of workspaces. */
#define WORKSPACES 10
/* Value in WM hint which means this window is fixed on all workspaces. */
#define NET_WM_FIXED 0xffffffff
/* This means we didn't get any window hint at all. */
#define MCWM_NOWS 0xfffffffe
/* Types. */
/* All our key shortcuts. */
typedef enum {
KEY_F,
KEY_H,
KEY_J,
KEY_K,
KEY_L,
KEY_M,
KEY_R,
KEY_RET,
KEY_X,
KEY_TAB,
KEY_BACKTAB,
KEY_1,
KEY_2,
KEY_3,
KEY_4,
KEY_5,
KEY_6,
KEY_7,
KEY_8,
KEY_9,
KEY_0,
KEY_Y,
KEY_U,
KEY_B,
KEY_N,
KEY_END,
KEY_PREVSCR,
KEY_NEXTSCR,
KEY_ICONIFY,
KEY_PREVWS,
KEY_NEXTWS,
KEY_MAX
} key_enum_t;
struct monitor
{
xcb_randr_output_t id;
char *name;
int16_t x; /* X and Y. */
int16_t y;
uint16_t width; /* Width in pixels. */
uint16_t height; /* Height in pixels. */
struct item *item; /* Pointer to our place in output list. */
};
struct sizepos
{
int16_t x;
int16_t y;
uint16_t width;
uint16_t height;
};
/* Everything we know about a window. */
struct client
{
xcb_drawable_t id; /* ID of this window. */
bool usercoord; /* X,Y was set by -geom. */
int16_t x; /* X coordinate. */
int16_t y; /* Y coordinate. */
uint16_t width; /* Width in pixels. */
uint16_t height; /* Height in pixels. */
struct sizepos origsize; /* Original size if we're currently maxed. */
uint16_t min_width, min_height; /* Hints from application. */
uint16_t max_width, max_height;
int32_t width_inc, height_inc;
int32_t base_width, base_height;
bool vertmaxed; /* Vertically maximized? */
bool maxed; /* Totally maximized? */
bool fixed; /* Visible on all workspaces? */
struct monitor *monitor; /* The physical output this window is on. */
struct item *winitem; /* Pointer to our place in global windows list. */
struct item *wsitem[WORKSPACES]; /* Pointer to our place in every
* workspace window list. */
};
/* Window configuration data. */
struct winconf
{
int16_t x;
int16_t y;
uint16_t width;
uint16_t height;
uint8_t stackmode;
xcb_window_t sibling;
uint16_t borderwidth;
};
/* Globals */
int sigcode; /* Signal code. Non-zero if we've been
* interruped by a signal. */
xcb_connection_t *conn; /* Connection to X server. */
xcb_screen_t *screen; /* Our current screen. */
int randrbase; /* Beginning of RANDR extension events. */
uint32_t curws = 0; /* Current workspace. */
struct client *focuswin; /* Current focus window. */
struct client *lastfocuswin; /* Last focused window. NOTE! Only
* used to communicate between
* start and end of tabbing
* mode. */
struct item *winlist = NULL; /* Global list of all client windows. */
struct item *monlist = NULL; /* List of all physical monitor outputs. */
int mode = 0; /* Internal mode, such as move or resize */
/*
* Workspace list: Every workspace has a list of all visible
* windows.
*/
struct item *wslist[WORKSPACES] =
{
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL
};
/* Shortcut key type and initializiation. */
struct keys
{
xcb_keysym_t keysym;
xcb_keycode_t keycode;
} keys[KEY_MAX] =
{
{ USERKEY_FIX, 0 },
{ USERKEY_MOVE_LEFT, 0 },
{ USERKEY_MOVE_DOWN, 0 },
{ USERKEY_MOVE_UP, 0 },
{ USERKEY_MOVE_RIGHT, 0 },
{ USERKEY_MAXVERT, 0 },
{ USERKEY_RAISE, 0 },
{ USERKEY_TERMINAL, 0 },
{ USERKEY_MAX, 0 },
{ USERKEY_CHANGE, 0 },
{ USERKEY_BACKCHANGE, 0 },
{ USERKEY_WS1, 0 },
{ USERKEY_WS2, 0 },
{ USERKEY_WS3, 0 },
{ USERKEY_WS4, 0 },
{ USERKEY_WS5, 0 },
{ USERKEY_WS6, 0 },
{ USERKEY_WS7, 0 },
{ USERKEY_WS8, 0 },
{ USERKEY_WS9, 0 },
{ USERKEY_WS10, 0 },
{ USERKEY_TOPLEFT, 0 },
{ USERKEY_TOPRIGHT, 0 },
{ USERKEY_BOTLEFT, 0 },
{ USERKEY_BOTRIGHT, 0 },
{ USERKEY_DELETE, 0 },
{ USERKEY_PREVSCREEN, 0 },
{ USERKEY_NEXTSCREEN, 0 },
{ USERKEY_ICONIFY, 0 },
{ USERKEY_PREVWS, 0 },
{ USERKEY_NEXTWS, 0 },
};
/* All keycodes generating our MODKEY mask. */
struct modkeycodes
{
xcb_keycode_t *keycodes;
unsigned len;
} modkeys =
{
NULL,
0
};
/* Global configuration. */
struct conf
{
int borderwidth; /* Do we draw borders? If so, how large? */
int snapmargin; /* Do we have snap margin? If so, how large? */
char *terminal; /* Path to terminal to start. */
uint32_t focuscol; /* Focused border colour. */
uint32_t unfocuscol; /* Unfocused border colour. */
uint32_t fixedcol; /* Fixed windows border colour. */
bool allowicons; /* Allow windows to be unmapped. */
} conf;
xcb_atom_t atom_desktop; /*
* EWMH _NET_WM_DESKTOP hint that says
* what workspace a window should be
* on.
*/
xcb_atom_t wm_delete_window; /* WM_DELETE_WINDOW event to close windows. */
xcb_atom_t wm_change_state;
xcb_atom_t wm_state;
xcb_atom_t wm_protocols; /* WM_PROTOCOLS. */
/* Functions declerations. */
static void finishtabbing(void);
static struct modkeycodes getmodkeys(xcb_mod_mask_t modmask);
static void cleanup(int code);
static void arrangewindows(void);
static void setwmdesktop(xcb_drawable_t win, uint32_t ws);
static int32_t getwmdesktop(xcb_drawable_t win);
static void addtoworkspace(struct client *client, uint32_t ws);
static void delfromworkspace(struct client *client, uint32_t ws);
static void changeworkspace(uint32_t ws);
static void fixwindow(struct client *client, bool setcolour);
static uint32_t getcolor(const char *colstr);
static void forgetclient(struct client *client);
static void forgetwin(xcb_window_t win);
static void fitonscreen(struct client *client);
static void newwin(xcb_window_t win);
static struct client *setupwin(xcb_window_t win);
static xcb_keycode_t keysymtokeycode(xcb_keysym_t keysym,
xcb_key_symbols_t *keysyms);
static int setupkeys(void);
static int setupscreen(void);
static int setuprandr(void);
static void getrandr(void);
static void getoutputs(xcb_randr_output_t *outputs, int len,
xcb_timestamp_t timestamp);
void arrbymon(struct monitor *monitor);
static struct monitor *findmonitor(xcb_randr_output_t id);
static struct monitor *findclones(xcb_randr_output_t id, int16_t x, int16_t y);
static struct monitor *findmonbycoord(int16_t x, int16_t y);
static void delmonitor(struct monitor *mon);
static struct monitor *addmonitor(xcb_randr_output_t id, char *name,
uint32_t x, uint32_t y, uint16_t width,
uint16_t height);
static void raisewindow(xcb_drawable_t win);
static void raiseorlower(struct client *client);
static void movelim(struct client *client);
static void movewindow(xcb_drawable_t win, uint16_t x, uint16_t y);
static struct client *findclient(xcb_drawable_t win);
static void focusnext(bool reverse);
static void setunfocus(xcb_drawable_t win);
static void setfocus(struct client *client);
static int start(char *program);
static void resizelim(struct client *client);
static void moveresize(xcb_drawable_t win, uint16_t x, uint16_t y,
uint16_t width, uint16_t height);
static void resize(xcb_drawable_t win, uint16_t width, uint16_t height);
static void resizestep(struct client *client, char direction);
static void snapwindow(struct client *client, int snap_mode);
static void mousemove(struct client *client, int rel_x, int rel_y);
static void mouseresize(struct client *client, int rel_x, int rel_y);
static void movestep(struct client *client, char direction);
static void setborders(struct client *client, int width);
static void unmax(struct client *client);
static void maximize(struct client *client);
static void maxvert(struct client *client);
static void hide(struct client *client);
static bool getpointer(xcb_drawable_t win, int16_t *x, int16_t *y);
static bool getgeom(xcb_drawable_t win, int16_t *x, int16_t *y, uint16_t *width,
uint16_t *height);
static void topleft(void);
static void topright(void);
static void botleft(void);
static void botright(void);
static void deletewin(void);
static void prevscreen(void);
static void nextscreen(void);
static void handle_keypress(xcb_key_press_event_t *ev);
static void configwin(xcb_window_t win, uint16_t mask, struct winconf wc);
static void configurerequest(xcb_configure_request_event_t *e);
static void events(void);
static void printhelp(void);
static void sigcatch(int sig);
static xcb_atom_t getatom(char *atom_name);
/* Function bodies. */
/*
* MODKEY was released after tabbing around the
* workspace window ring. This means this mode is
* finished and we have found a new focus window.
*
* We need to move first the window we used to focus
* on to the head of the window list and then move the
* new focus to the head of the list as well. The list
* should always start with the window we're focusing
* on.
*/
void finishtabbing(void)
{
mode = 0;
if (NULL != lastfocuswin)
{
movetohead(&wslist[curws], lastfocuswin->wsitem[curws]);
lastfocuswin = NULL;
}
movetohead(&wslist[curws], focuswin->wsitem[curws]);
}
/*
* Find out what keycode modmask is bound to. Returns a struct. If the
* len in the struct is 0 something went wrong.
*/
struct modkeycodes getmodkeys(xcb_mod_mask_t modmask)
{
xcb_get_modifier_mapping_cookie_t cookie;
xcb_get_modifier_mapping_reply_t *reply;
xcb_keycode_t *modmap;
struct modkeycodes keycodes = {
NULL,
0
};
int mask;
unsigned i;
const xcb_mod_mask_t masks[8] = { XCB_MOD_MASK_SHIFT,
XCB_MOD_MASK_LOCK,
XCB_MOD_MASK_CONTROL,
XCB_MOD_MASK_1,
XCB_MOD_MASK_2,
XCB_MOD_MASK_3,
XCB_MOD_MASK_4,
XCB_MOD_MASK_5 };
cookie = xcb_get_modifier_mapping_unchecked(conn);
if ((reply = xcb_get_modifier_mapping_reply(conn, cookie, NULL)) == NULL)
{
return keycodes;
}
if (NULL == (keycodes.keycodes = calloc(reply->keycodes_per_modifier,
sizeof (xcb_keycode_t))))
{
PDEBUG("Out of memory.\n");
return keycodes;
}
modmap = xcb_get_modifier_mapping_keycodes(reply);
/*
* The modmap now contains keycodes.
*
* The number of keycodes in the list is 8 *
* keycodes_per_modifier. The keycodes are divided into eight
* sets, with each set containing keycodes_per_modifier elements.
*
* Each set corresponds to a modifier in masks[] in the order
* specified above.
*
* The keycodes_per_modifier value is chosen arbitrarily by the
* server. Zeroes are used to fill in unused elements within each
* set.
*/
for (mask = 0; mask < 8; mask ++)
{
if (masks[mask] == modmask)
{
for (i = 0; i < reply->keycodes_per_modifier; i ++)
{
if (0 != modmap[mask * reply->keycodes_per_modifier + i])
{
keycodes.keycodes[i]
= modmap[mask * reply->keycodes_per_modifier + i];
keycodes.len ++;
}
}
PDEBUG("Got %d keycodes.\n", keycodes.len);
}
}
free(reply);
return keycodes;
}
/*
* Set keyboard focus to follow mouse pointer. Then exit.
*
* We don't need to bother mapping all windows we know about. They
* should all be in the X server's Save Set and should be mapped
* automagically.
*/
void cleanup(int code)
{
xcb_set_input_focus(conn, XCB_NONE,
XCB_INPUT_FOCUS_POINTER_ROOT,
XCB_CURRENT_TIME);
xcb_flush(conn);
xcb_disconnect(conn);
exit(code);
}
/*
* Rearrange windows to fit new screen size.
*/
void arrangewindows(void)
{
struct item *item;
struct client *client;
/*
* Go through all windows. If they don't fit on the new screen,
* move them around and resize them as necessary.
*/
for (item = winlist; item != NULL; item = item->next)
{
client = item->data;
fitonscreen(client);
}
}
/* Set the EWMH hint that window win belongs on workspace ws. */
void setwmdesktop(xcb_drawable_t win, uint32_t ws)
{
PDEBUG("Changing _NET_WM_DESKTOP on window %d to %d\n", win, ws);
xcb_change_property(conn, XCB_PROP_MODE_REPLACE, win,
atom_desktop, XCB_ATOM_CARDINAL, 32, 1,
&ws);
}
/*
* Get EWWM hint so we might know what workspace window win should be
* visible on.
*
* Returns either workspace, NET_WM_FIXED if this window should be
* visible on all workspaces or MCWM_NOWS if we didn't find any hints.
*/
int32_t getwmdesktop(xcb_drawable_t win)
{
xcb_get_property_reply_t *reply;
xcb_get_property_cookie_t cookie;
uint32_t *wsp;
uint32_t ws;
cookie = xcb_get_property(conn, false, win, atom_desktop,
XCB_GET_PROPERTY_TYPE_ANY, 0,
sizeof (int32_t));
reply = xcb_get_property_reply(conn, cookie, NULL);
if (NULL == reply)
{
fprintf(stderr, "mcwm: Couldn't get properties for win %d\n", win);
return MCWM_NOWS;
}
/* Length is 0 if we didn't find it. */
if (0 == xcb_get_property_value_length(reply))
{
PDEBUG("_NET_WM_DESKTOP reply was 0 length.\n");
goto bad;
}
wsp = xcb_get_property_value(reply);
ws = *wsp;
PDEBUG("got _NET_WM_DESKTOP: %d stored at %p.\n", ws, (void *)wsp);
free(reply);
return ws;
bad:
free(reply);
return MCWM_NOWS;
}
/* Add a window, specified by client, to workspace ws. */
void addtoworkspace(struct client *client, uint32_t ws)
{
struct item *item;
item = additem(&wslist[ws]);
if (NULL == item)
{
PDEBUG("addtoworkspace: Out of memory.\n");
return;
}
/* Remember our place in the workspace window list. */
client->wsitem[ws] = item;
/* Remember the data. */
item->data = client;
/*
* Set window hint property so we can survive a crash.
*
* Fixed windows have their own special WM hint. We don't want to
* mess with that.
*/
if (!client->fixed)
{
setwmdesktop(client->id, ws);
}
}
/* Delete window client from workspace ws. */
void delfromworkspace(struct client *client, uint32_t ws)
{
delitem(&wslist[ws], client->wsitem[ws]);
/* Reset our place in the workspace window list. */
client->wsitem[ws] = NULL;
}
/* Change current workspace to ws. */
void changeworkspace(uint32_t ws)
{
struct item *item;
struct client *client;
if (ws == curws)
{
PDEBUG("Changing to same workspace!\n");
return;
}
PDEBUG("Changing from workspace #%d to #%d\n", curws, ws);
/*
* We lose our focus if the window we focus isn't fixed. An
* EnterNotify event will set focus later.
*/
if (NULL != focuswin && !focuswin->fixed)
{
setunfocus(focuswin->id);
focuswin = NULL;
}
/* Go through list of current ws. Unmap everything that isn't fixed. */
for (item = wslist[curws]; item != NULL; item = item->next)
{
client = item->data;
PDEBUG("changeworkspace. unmap phase. ws #%d, client-fixed: %d\n",
curws, client->fixed);
if (!client->fixed)
{
/*
* This is an ordinary window. Just unmap it. Note that
* this will generate an unnecessary UnmapNotify event
* which we will try to handle later.
*/
xcb_unmap_window(conn, client->id);
}
}
/* Go through list of new ws. Map everything that isn't fixed. */
for (item = wslist[ws]; item != NULL; item = item->next)
{
client = item->data;
PDEBUG("changeworkspace. map phase. ws #%d, client-fixed: %d\n",
ws, client->fixed);
/* Fixed windows are already mapped. Map everything else. */
if (!client->fixed)
{
xcb_map_window(conn, client->id);
}
}
xcb_flush(conn);
curws = ws;
}
/*
* Fix or unfix a window client from all workspaces. If setcolour is
* set, also change back to ordinary focus colour when unfixing.
*/
void fixwindow(struct client *client, bool setcolour)
{
uint32_t values[1];
uint32_t ws;
if (NULL == client)
{
return;
}
if (client->fixed)
{
client->fixed = false;
setwmdesktop(client->id, curws);
if (setcolour)
{
/* Set border color to ordinary focus colour. */
values[0] = conf.focuscol;
xcb_change_window_attributes(conn, client->id, XCB_CW_BORDER_PIXEL,
values);
}
/* Delete from all workspace lists except current. */
for (ws = 0; ws < WORKSPACES; ws ++)
{
if (ws != curws)
{
delfromworkspace(client, ws);
}
}
}
else
{
/*
* First raise the window. If we're going to another desktop
* we don't want this fixed window to be occluded behind
* something else.
*/
raisewindow(client->id);
client->fixed = true;
setwmdesktop(client->id, NET_WM_FIXED);
/* Add window to all workspace lists. */
for (ws = 0; ws < WORKSPACES; ws ++)
{
if (ws != curws)
{
addtoworkspace(client, ws);
}
}
if (setcolour)
{
/* Set border color to fixed colour. */
values[0] = conf.fixedcol;
xcb_change_window_attributes(conn, client->id, XCB_CW_BORDER_PIXEL,
values);
}
}
xcb_flush(conn);
}
/*
* Get the pixel values of a named colour colstr.
*
* Returns pixel values.
* */
uint32_t getcolor(const char *colstr)
{
xcb_alloc_named_color_reply_t *col_reply;
xcb_colormap_t colormap;
xcb_generic_error_t *error;
xcb_alloc_named_color_cookie_t colcookie;
colormap = screen->default_colormap;
colcookie = xcb_alloc_named_color(conn, colormap, strlen(colstr), colstr);
col_reply = xcb_alloc_named_color_reply(conn, colcookie, &error);
if (NULL != error)
{
fprintf(stderr, "mcwm: Couldn't get pixel value for colour %s. "
"Exiting.\n", colstr);
xcb_disconnect(conn);
exit(1);
}
return col_reply->pixel;
}
/* Forget everything about client client. */
void forgetclient(struct client *client)
{
uint32_t ws;
if (NULL == client)
{
PDEBUG("forgetclient: client was NULL\n");
return;
}
/*
* Delete this client from whatever workspace lists it belongs to.
* Note that it's OK to be on several workspaces at once even if
* you're not fixed.
*/
for (ws = 0; ws < WORKSPACES; ws ++)
{
if (NULL != client->wsitem[ws])
{
delfromworkspace(client, ws);
}
}
/* Remove from global window list. */
freeitem(&winlist, NULL, client->winitem);
}
/* Forget everything about a client with client->id win. */
void forgetwin(xcb_window_t win)
{
struct item *item;
struct client *client;
uint32_t ws;
/* Find this window in the global window list. */
for (item = winlist; item != NULL; item = item->next)
{
client = item->data;
/*
* Forget about it completely and free allocated data.
*
* Note that it might already be freed by handling an
* UnmapNotify, so it isn't necessarily an error if we don't
* find it.
*/
PDEBUG("Win %d == client ID %d\n", win, client->id);
if (win == client->id)
{
/* Found it. */
PDEBUG("Found it. Forgetting...\n");
/*
* Delete window from whatever workspace lists it belonged
* to. Note that it's OK to be on several workspaces at
* once.
*/
for (ws = 0; ws < WORKSPACES; ws ++)
{
PDEBUG("Looking in ws #%d.\n", ws);
if (NULL == client->wsitem[ws])
{
PDEBUG(" but it wasn't there.\n");
}
else
{
PDEBUG(" found it here. Deleting!\n");
delfromworkspace(client, ws);
}
}
free(item->data);
delitem(&winlist, item);
return;
}
}
}
/*
* Fit client on physical screen, moving and resizing as necessary.
*/
void fitonscreen(struct client *client)
{
int16_t mon_x;
int16_t mon_y;
uint16_t mon_width;
uint16_t mon_height;
bool willmove = false;
bool willresize = false;
client->vertmaxed = false;
if (client->maxed)
{
client->maxed = false;
setborders(client, conf.borderwidth);
}
if (NULL == client->monitor)
{
/*
* This window isn't attached to any physical monitor. This
* probably means there is no RANDR, so we use the root window
* size.
*/
mon_x = 0;
mon_y = 0;
mon_width = screen->width_in_pixels;
mon_height = screen->height_in_pixels;
}
else
{
mon_x = client->monitor->x;
mon_y = client->monitor->y;
mon_width = client->monitor->width;
mon_height = client->monitor->height;
}
PDEBUG("Is window outside monitor?\n");
PDEBUG("x: %d between %d and %d?\n", client->x, mon_x, mon_x + mon_width);
PDEBUG("y: %d between %d and %d?\n", client->y, mon_y, mon_y + mon_height);
/* Is it outside the physical monitor? */
if (client->x > mon_x + mon_width)
{
client->x = mon_x + mon_width - client->width;
willmove = true;
}
if (client->y > mon_y + mon_height)
{
client->y = mon_y + mon_height - client->height;
willmove = true;
}
if (client->x < mon_x)
{
client->x = mon_x;
willmove = true;
}
if (client->y < mon_y)
{
client->y = mon_y;
willmove = true;
}
/* Is it smaller than it wants to be? */
if (0 != client->min_height && client->height < client->min_height)
{
client->height = client->min_height;
willresize = true;
}
if (0 != client->min_width && client->width < client->min_width)
{
client->width = client->min_width;
willresize = true;
}
/*
* If the window is larger than our screen, just place it in the
* corner and resize.
*/
if (client->width + conf.borderwidth * 2 > mon_width)
{
client->x = mon_x;
client->width = mon_width - conf.borderwidth * 2;;
willmove = true;
willresize = true;
}
else if (client->x + client->width + conf.borderwidth * 2
> mon_x + mon_width)
{
client->x = mon_x + mon_width - (client->width + conf.borderwidth * 2);
willmove = true;
}
if (client->height + conf.borderwidth * 2 > mon_height)
{
client->y = mon_y;
client->height = mon_height - conf.borderwidth * 2;
willmove = true;
willresize = true;
}
else if (client->y + client->height + conf.borderwidth * 2
> mon_y + mon_height)
{
client->y = mon_y + mon_height - (client->height + conf.borderwidth
* 2);
willmove = true;
}
if (willmove)
{
PDEBUG("Moving to %d,%d.\n", client->x, client->y);
movewindow(client->id, client->x, client->y);
}
if (willresize)
{
PDEBUG("Resizing to %d x %d.\n", client->width, client->height);
resize(client->id, client->width, client->height);
}
}
/*
* Set position, geometry and attributes of a new window and show it
* on the screen.
*/
void newwin(xcb_window_t win)
{
struct client *client;
if (NULL != findclient(win))
{
/*
* We know this window from before. It's trying to map itself
* on the current workspace, but since it's unmapped it
* probably belongs on another workspace. We don't like that.
* Silently ignore.
*/
return;
}
/*
* Set up stuff, like borders, add the window to the client list,
* et cetera.
*/