rofi/source/x11-helper.c

725 lines
24 KiB
C
Raw Normal View History

2015-02-12 21:34:06 +00:00
/**
* rofi
*
* MIT/X11 License
* Copyright (c) 2012 Sean Pringle <sean.pringle@gmail.com>
2015-12-31 23:27:00 +00:00
* Modified 2013-2016 Qball Cow <qball@gmpclient.org>
2015-02-12 21:34:06 +00:00
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
2015-02-09 18:35:51 +00:00
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdint.h>
#include <glib.h>
2015-09-27 09:46:19 +00:00
#include <cairo.h>
2015-02-09 18:35:51 +00:00
#include <xcb/xcb.h>
2016-02-27 19:45:47 +00:00
#include <xcb/xinerama.h>
2016-02-27 18:26:51 +00:00
#include <xcb/xcb_ewmh.h>
2015-02-09 18:35:51 +00:00
#include <X11/X.h>
#include <X11/Xatom.h>
#include <X11/Xlib.h>
#include <X11/Xmd.h>
#include <X11/Xutil.h>
#include <X11/Xproto.h>
#include <X11/keysym.h>
#include <X11/XKBlib.h>
2016-01-07 15:01:56 +00:00
#include "settings.h"
2015-02-09 18:35:51 +00:00
2015-04-06 15:13:26 +00:00
#include <rofi.h>
2015-09-19 10:21:30 +00:00
#define OVERLAP( a, b, c, \
d ) ( ( ( a ) == ( c ) && \
( b ) == ( d ) ) || \
MIN ( ( a ) + ( b ), ( c ) + ( d ) ) - MAX ( ( a ), ( c ) ) > 0 )
#define INTERSECT( x, y, w, h, x1, y1, w1, \
h1 ) ( OVERLAP ( ( x ), ( w ), ( x1 ), \
( w1 ) ) && OVERLAP ( ( y ), ( h ), ( y1 ), ( h1 ) ) )
2015-02-09 18:35:51 +00:00
#include "x11-helper.h"
#include "xkb-internal.h"
2015-02-09 18:35:51 +00:00
enum
{
X11MOD_SHIFT,
X11MOD_CONTROL,
X11MOD_ALT,
X11MOD_META,
X11MOD_SUPER,
X11MOD_HYPER,
X11MOD_ANY,
NUM_X11MOD
};
xcb_depth_t *depth = NULL;
xcb_visualtype_t *visual = NULL;
xcb_colormap_t map = XCB_COLORMAP_NONE;
xcb_depth_t *root_depth = NULL;
xcb_visualtype_t *root_visual = NULL;
Atom netatoms[NUM_NETATOMS];
const char *netatom_names[] = { EWMH_ATOMS ( ATOM_CHAR ) };
static unsigned int x11_mod_masks[NUM_X11MOD];
2016-02-27 18:26:51 +00:00
extern xcb_ewmh_connection_t xcb_ewmh;
2016-02-27 18:51:06 +00:00
extern xcb_connection_t *xcb_connection;
2015-02-09 18:35:51 +00:00
// retrieve a property of any type from a window
2015-09-19 10:57:48 +00:00
int window_get_prop ( Display *display, Window w, Atom prop, Atom *type, int *items, void *buffer, unsigned int bytes )
2015-02-09 18:35:51 +00:00
{
int format;
unsigned long nitems, nbytes;
unsigned char *ret = NULL;
memset ( buffer, 0, bytes );
2015-09-19 18:59:50 +00:00
if ( XGetWindowProperty ( display, w, prop, 0, bytes / 4, False, AnyPropertyType, type, &format, &nitems, &nbytes, &ret ) == Success &&
ret && *type != None && format ) {
2015-02-09 18:35:51 +00:00
if ( format == 8 ) {
memmove ( buffer, ret, MIN ( bytes, nitems ) );
}
if ( format == 16 ) {
memmove ( buffer, ret, MIN ( bytes, nitems * sizeof ( short ) ) );
}
if ( format == 32 ) {
memmove ( buffer, ret, MIN ( bytes, nitems * sizeof ( long ) ) );
}
*items = ( int ) nitems;
XFree ( ret );
return 1;
}
return 0;
}
// retrieve a text property from a window
// technically we could use window_get_prop(), but this is better for character set support
char* window_get_text_prop ( Display *display, Window w, Atom atom )
{
XTextProperty prop;
char *res = NULL;
char **list = NULL;
int count;
if ( XGetTextProperty ( display, w, &prop, atom ) && prop.value && prop.nitems ) {
if ( prop.encoding == XA_STRING ) {
2015-05-14 17:39:30 +00:00
size_t l = strlen ( ( char *) prop.value ) + 1;
res = g_malloc ( l );
2015-02-09 18:35:51 +00:00
// make clang-check happy.
if ( res ) {
2015-05-14 17:39:30 +00:00
g_strlcpy ( res, ( char * ) prop.value, l );
2015-02-09 18:35:51 +00:00
}
}
2015-09-19 10:57:48 +00:00
else if ( Xutf8TextPropertyToTextList ( display, &prop, &list, &count ) >= Success && count > 0 && *list ) {
2015-05-14 17:39:30 +00:00
size_t l = strlen ( *list ) + 1;
res = g_malloc ( l );
2015-02-09 18:35:51 +00:00
// make clang-check happy.
if ( res ) {
2015-05-14 17:39:30 +00:00
g_strlcpy ( res, *list, l );
2015-02-09 18:35:51 +00:00
}
XFreeStringList ( list );
}
}
if ( prop.value ) {
XFree ( prop.value );
}
return res;
}
2016-02-27 16:42:50 +00:00
void window_set_atom_prop ( xcb_connection_t *xcb_connection, Window w, xcb_atom_t prop, xcb_atom_t *atoms, int count )
2015-02-09 18:35:51 +00:00
{
2016-02-27 16:42:50 +00:00
xcb_change_property ( xcb_connection, XCB_PROP_MODE_REPLACE, w, prop, XCB_ATOM_ATOM, 32, count, atoms);
2015-02-09 18:35:51 +00:00
}
2016-02-27 19:45:47 +00:00
extern xcb_screen_t *xcb_screen;
extern int xcb_screen_nbr;
int monitor_get_smallest_size ( xcb_connection_t *xcb_connection )
{
2016-02-27 19:45:47 +00:00
xcb_generic_error_t *error;
int size = MIN (xcb_screen->width_in_pixels, xcb_screen->height_in_pixels);
xcb_xinerama_is_active_cookie_t is_active_req = xcb_xinerama_is_active(xcb_connection);
xcb_xinerama_is_active_reply_t *is_active = xcb_xinerama_is_active_reply(xcb_connection, is_active_req, &error);
if (error) {
fprintf(stderr, "Couldn't query Xinerama\n");
return size;
}
if (!is_active->state) {
free ( is_active );
return size;
}
free ( is_active );
2015-02-09 18:35:51 +00:00
2016-02-27 19:45:47 +00:00
xcb_xinerama_query_screens_cookie_t cookie_screen;
cookie_screen = xcb_xinerama_query_screens(xcb_connection);
xcb_xinerama_query_screens_reply_t *query_screens;
query_screens = xcb_xinerama_query_screens_reply(xcb_connection, cookie_screen, &error);
if (error) {
fprintf(stderr, "Error getting screen info\n");
return size;
}
xcb_xinerama_screen_info_t *screens = xcb_xinerama_query_screens_screen_info(query_screens);
int len = xcb_xinerama_query_screens_screen_info_length(query_screens);
for (int i = 0; i < len; i++) {
xcb_xinerama_screen_info_t *info = &screens[i];
size = MIN ( info->width, size );
size = MIN ( info->height, size );
}
2016-02-27 19:45:47 +00:00
free(query_screens);
return size;
}
2016-02-27 19:45:47 +00:00
int monitor_get_dimension ( xcb_connection_t *xcb_connection, xcb_screen_t *screen, int monitor, workarea *mon )
2015-08-02 13:45:52 +00:00
{
2016-02-27 19:45:47 +00:00
xcb_generic_error_t *error = NULL;
2015-08-02 13:45:52 +00:00
memset ( mon, 0, sizeof ( workarea ) );
2016-02-27 19:45:47 +00:00
mon->w = screen->width_in_pixels;
mon->h = screen->height_in_pixels;
2015-08-02 13:45:52 +00:00
2016-02-27 19:45:47 +00:00
xcb_xinerama_is_active_cookie_t is_active_req = xcb_xinerama_is_active(xcb_connection);
xcb_xinerama_is_active_reply_t *is_active = xcb_xinerama_is_active_reply(xcb_connection, is_active_req, &error);
if (error) {
fprintf(stderr, "Error getting screen info\n");
return FALSE;
}
if (!is_active->state) {
free ( is_active );
return FALSE;
}
free ( is_active );
xcb_xinerama_query_screens_cookie_t cookie_screen;
cookie_screen = xcb_xinerama_query_screens(xcb_connection);
xcb_xinerama_query_screens_reply_t *query_screens;
query_screens = xcb_xinerama_query_screens_reply(xcb_connection, cookie_screen, &error);
if (error) {
fprintf(stderr, "Error getting screen info\n");
return FALSE;
}
xcb_xinerama_screen_info_t *screens = xcb_xinerama_query_screens_screen_info(query_screens);
int len = xcb_xinerama_query_screens_screen_info_length(query_screens);
if ( monitor < len ) {
xcb_xinerama_screen_info_t *info = &screens[monitor];
mon->w = info->width;
mon->h = info->height;
mon->x = info->x_org;
mon->y = info->y_org;
free(query_screens);
return TRUE;
2015-08-02 13:45:52 +00:00
}
2016-02-27 19:45:47 +00:00
free(query_screens);
2015-08-02 13:45:52 +00:00
return FALSE;
}
2015-02-09 18:35:51 +00:00
// find the dimensions of the monitor displaying point x,y
2016-02-27 19:45:47 +00:00
void monitor_dimensions ( xcb_connection_t *xcb_connection, xcb_screen_t *screen, int x, int y, workarea *mon )
2015-02-09 18:35:51 +00:00
{
2016-02-27 19:45:47 +00:00
xcb_generic_error_t *error = NULL;
2015-02-09 18:35:51 +00:00
memset ( mon, 0, sizeof ( workarea ) );
2016-02-27 19:45:47 +00:00
mon->w = screen->width_in_pixels;
mon->h = screen->height_in_pixels;
2015-02-09 18:35:51 +00:00
2016-02-27 19:45:47 +00:00
xcb_xinerama_is_active_cookie_t is_active_req = xcb_xinerama_is_active(xcb_connection);
xcb_xinerama_is_active_reply_t *is_active = xcb_xinerama_is_active_reply(xcb_connection, is_active_req, &error);
if (error) {
fprintf(stderr, "Couldn't query Xinerama\n");
return ;
}
if (!is_active->state) {
free ( is_active );
return ;
}
free ( is_active );
2015-02-09 18:35:51 +00:00
2016-02-27 19:45:47 +00:00
xcb_xinerama_query_screens_cookie_t cookie_screen;
cookie_screen = xcb_xinerama_query_screens(xcb_connection);
xcb_xinerama_query_screens_reply_t *query_screens;
query_screens = xcb_xinerama_query_screens_reply(xcb_connection, cookie_screen, &error);
if (error) {
fprintf(stderr, "Error getting screen info\n");
return ;
}
xcb_xinerama_screen_info_t *screens = xcb_xinerama_query_screens_screen_info(query_screens);
int len = xcb_xinerama_query_screens_screen_info_length(query_screens);
for ( int i = 0; i < len; i++){
xcb_xinerama_screen_info_t *info = &screens[i];
if ( INTERSECT ( x, y, 1, 1, info->x_org, info->y_org, info->width, info->height ) ) {
mon->w = info->width;
mon->h = info->height;
mon->x = info->x_org;
mon->y = info->y_org;
break;
2015-02-09 18:35:51 +00:00
}
}
2016-02-27 19:45:47 +00:00
free(query_screens);
2015-02-09 18:35:51 +00:00
}
/**
* @param x The x position of the mouse [out]
* @param y The y position of the mouse [out]
*
* find mouse pointer location
*
* @returns 1 when found
*/
2016-02-27 19:45:47 +00:00
static int pointer_get ( xcb_connection_t *xcb_connection, Window root, int *x, int *y )
2015-02-09 18:35:51 +00:00
{
*x = 0;
*y = 0;
2016-02-27 18:51:06 +00:00
xcb_query_pointer_cookie_t c = xcb_query_pointer ( xcb_connection, root );
xcb_query_pointer_reply_t *r = xcb_query_pointer_reply ( xcb_connection, c, NULL );
if ( r ) {
*x = r->root_x;
*y = r->root_y;
free(r);
2015-02-09 18:35:51 +00:00
return 1;
}
return 0;
}
// determine which monitor holds the active window, or failing that the mouse pointer
2016-02-27 19:45:47 +00:00
void monitor_active ( xcb_connection_t *xcb_connection, workarea *mon )
2015-02-09 18:35:51 +00:00
{
2016-02-27 19:45:47 +00:00
xcb_window_t root = xcb_screen->root;
2015-02-09 18:35:51 +00:00
int x, y;
2015-08-02 13:45:52 +00:00
if ( config.monitor >= 0 ) {
2016-02-27 19:45:47 +00:00
if ( monitor_get_dimension ( xcb_connection, xcb_screen, config.monitor, mon ) ) {
2015-08-02 13:45:52 +00:00
return;
}
fprintf ( stderr, "Failed to find selected monitor.\n" );
}
2016-02-09 20:25:29 +00:00
// Get the current desktop.
2016-02-27 18:26:51 +00:00
unsigned int current_desktop = 0;
if ( config.monitor != -2 && xcb_ewmh_get_current_desktop_reply ( &xcb_ewmh,
2016-02-27 19:45:47 +00:00
xcb_ewmh_get_current_desktop( &xcb_ewmh, xcb_screen_nbr), &current_desktop, NULL )) {
2016-02-27 18:26:51 +00:00
xcb_ewmh_get_desktop_viewport_reply_t vp;
if ( xcb_ewmh_get_desktop_viewport_reply ( &xcb_ewmh,
2016-02-27 19:45:47 +00:00
xcb_ewmh_get_desktop_viewport(&xcb_ewmh, xcb_screen_nbr),
2016-02-27 18:26:51 +00:00
&vp, NULL)){
if ( current_desktop < vp.desktop_viewport_len) {
2016-02-27 19:45:47 +00:00
monitor_dimensions ( xcb_connection, xcb_screen, vp.desktop_viewport[current_desktop].x,
2016-02-27 18:26:51 +00:00
vp.desktop_viewport[current_desktop].y, mon );
2016-02-09 20:25:29 +00:00
return;
}
}
}
2016-02-27 18:26:51 +00:00
xcb_window_t active_window;
if ( xcb_ewmh_get_active_window_reply ( &xcb_ewmh,
2016-02-27 19:45:47 +00:00
xcb_ewmh_get_active_window( &xcb_ewmh, xcb_screen_nbr), &active_window, NULL )) {
2016-02-27 18:26:51 +00:00
// get geometry.
xcb_get_geometry_cookie_t c = xcb_get_geometry ( xcb_connection, active_window);
xcb_get_geometry_reply_t *r = xcb_get_geometry_reply ( xcb_connection, c, NULL);
if ( r ) {
if ( config.monitor == -2 ) {
xcb_translate_coordinates_cookie_t ct = xcb_translate_coordinates(xcb_connection, active_window, root, r->x, r->y);
xcb_translate_coordinates_reply_t *t = xcb_translate_coordinates_reply (xcb_connection, ct, NULL);
if ( t ){
// place the menu above the window
// if some window is focused, place menu above window, else fall
// back to selected monitor.
2016-02-27 18:26:51 +00:00
mon->x = t->dst_x;
mon->y = t->dst_y;
mon->w = r->width;
mon->h = r->height;
mon->t = r->border_width;
mon->b = r->border_width;
mon->l = r->border_width;
mon->r = r->border_width;
free(r);
free(t);
return;
}
2015-02-09 18:35:51 +00:00
}
2016-02-27 19:45:47 +00:00
monitor_dimensions ( xcb_connection, xcb_screen, r->x, r->y, mon );
2016-02-27 18:26:51 +00:00
free(r);
return;
2015-02-09 18:35:51 +00:00
}
}
2016-02-27 19:45:47 +00:00
if ( pointer_get ( xcb_connection, root, &x, &y ) ) {
monitor_dimensions ( xcb_connection, xcb_screen, x, y, mon );
2015-02-09 18:35:51 +00:00
return;
}
2016-02-27 19:45:47 +00:00
monitor_dimensions ( xcb_connection, xcb_screen, 0, 0, mon );
2015-02-09 18:35:51 +00:00
}
int take_keyboard ( Display *display, Window w )
{
for ( int i = 0; i < 500; i++ ) {
2015-09-19 10:21:30 +00:00
if ( XGrabKeyboard ( display, w, True, GrabModeAsync, GrabModeAsync,
CurrentTime ) == GrabSuccess ) {
2015-05-02 10:42:36 +00:00
return 1;
}
usleep ( 1000 );
2015-02-09 18:35:51 +00:00
}
return 0;
}
void release_keyboard ( Display *display )
{
2016-02-10 18:40:19 +00:00
XUngrabKeyboard ( display, CurrentTime );
2015-02-09 18:35:51 +00:00
}
static unsigned int x11_find_mod_mask ( xkb_stuff *xkb, ... )
2015-02-09 18:35:51 +00:00
{
va_list names;
const char *name;
xkb_mod_index_t i;
unsigned int mask = 0;
va_start ( names, xkb );
while ( ( name = va_arg ( names, const char * ) ) != NULL ) {
i = xkb_keymap_mod_get_index ( xkb->keymap, name );
if ( i != XKB_MOD_INVALID ) {
mask |= 1 << i;
2015-02-09 18:35:51 +00:00
}
}
return mask;
}
static void x11_figure_out_masks ( xkb_stuff *xkb )
{
x11_mod_masks[X11MOD_SHIFT] = x11_find_mod_mask ( xkb, XKB_MOD_NAME_SHIFT, NULL );
x11_mod_masks[X11MOD_CONTROL] = x11_find_mod_mask ( xkb, XKB_MOD_NAME_CTRL, "RControl", "LControl", NULL );
x11_mod_masks[X11MOD_ALT] = x11_find_mod_mask ( xkb, XKB_MOD_NAME_ALT, "Alt", "LAlt", "RAlt", "AltGr", "Mod5", "LevelThree", NULL );
x11_mod_masks[X11MOD_META] = x11_find_mod_mask ( xkb, "Meta", NULL );
x11_mod_masks[X11MOD_SUPER] = x11_find_mod_mask ( xkb, XKB_MOD_NAME_LOGO, "Super", NULL );
x11_mod_masks[X11MOD_HYPER] = x11_find_mod_mask ( xkb, "Hyper", NULL );
gsize i;
for ( i = 0; i < X11MOD_ANY; ++i ) {
x11_mod_masks[X11MOD_ANY] |= x11_mod_masks[i];
}
}
unsigned int x11_canonalize_mask ( unsigned int mask )
{
// Bits 13 and 14 of the modifiers together are the group number, and
// should be ignored when looking up key bindings
mask &= x11_mod_masks[X11MOD_ANY];
gsize i;
for ( i = 0; i < X11MOD_ANY; ++i ) {
if ( mask & x11_mod_masks[i] ) {
mask |= x11_mod_masks[i];
}
}
return mask;
2015-02-09 18:35:51 +00:00
}
// convert a Mod+key arg to mod mask and keysym
void x11_parse_key ( char *combo, unsigned int *mod, xkb_keysym_t *key )
2015-02-09 18:35:51 +00:00
{
GString *str = g_string_new ( "" );
2015-02-09 18:35:51 +00:00
unsigned int modmask = 0;
if ( strcasestr ( combo, "shift" ) ) {
modmask |= x11_mod_masks[X11MOD_SHIFT];
if ( x11_mod_masks[X11MOD_SHIFT] == 0 ) {
g_string_append_printf ( str, "X11 configured keyboard has no <b>Shift</b> key.\n" );
}
2015-02-09 18:35:51 +00:00
}
if ( strcasestr ( combo, "control" ) ) {
modmask |= x11_mod_masks[X11MOD_CONTROL];
if ( x11_mod_masks[X11MOD_CONTROL] == 0 ) {
g_string_append_printf ( str, "X11 configured keyboard has no <b>Control</b> key.\n" );
}
2015-02-09 18:35:51 +00:00
}
if ( strcasestr ( combo, "alt" ) ) {
modmask |= x11_mod_masks[X11MOD_ALT];
if ( x11_mod_masks[X11MOD_ALT] == 0 ) {
g_string_append_printf ( str, "X11 configured keyboard has no <b>Alt</b> key.\n" );
2015-11-20 21:00:37 +00:00
}
}
if ( strcasestr ( combo, "super" ) ) {
modmask |= x11_mod_masks[X11MOD_SUPER];
if ( x11_mod_masks[X11MOD_SUPER] == 0 ) {
g_string_append_printf ( str, "X11 configured keyboard has no <b>Super</b> key.\n" );
2015-11-20 21:00:37 +00:00
}
}
if ( strcasestr ( combo, "meta" ) ) {
modmask |= x11_mod_masks[X11MOD_META];
if ( x11_mod_masks[X11MOD_META] == 0 ) {
g_string_append_printf ( str, "X11 configured keyboard has no <b>Meta</b> key.\n" );
2015-11-20 21:00:37 +00:00
}
}
if ( strcasestr ( combo, "hyper" ) ) {
modmask |= x11_mod_masks[X11MOD_HYPER];
if ( x11_mod_masks[X11MOD_HYPER] == 0 ) {
g_string_append_printf ( str, "X11 configured keyboard has no <b>Hyper</b> key.\n" );
2015-11-20 21:00:37 +00:00
}
}
int seen_mod = FALSE;
2015-12-04 08:50:53 +00:00
if ( strcasestr ( combo, "Mod" ) ) {
seen_mod = TRUE;
}
2015-02-09 18:35:51 +00:00
*mod = modmask;
2015-02-09 18:35:51 +00:00
// Skip modifier (if exist) and parse key.
char i = strlen ( combo );
while ( i > 0 && !strchr ( "-+", combo[i - 1] ) ) {
i--;
}
xkb_keysym_t sym = xkb_keysym_from_name ( combo + i, XKB_KEYSYM_CASE_INSENSITIVE );
2015-02-09 18:35:51 +00:00
if ( sym == XKB_KEY_NoSymbol || ( !modmask && ( strchr ( combo, '-' ) || strchr ( combo, '+' ) ) ) ) {
g_string_append_printf ( str, "Sorry, rofi cannot understand the key combination: <i>%s</i>\n", combo );
2015-12-04 08:50:53 +00:00
g_string_append ( str, "\nRofi supports the following modifiers:\n\t" );
g_string_append ( str, "<i>Shift,Control,Alt,AltGR,SuperL,SuperR," );
g_string_append ( str, "MetaL,MetaR,HyperL,HyperR</i>" );
if ( seen_mod ) {
g_string_append ( str, "\n\n<b>Mod1,Mod2,Mod3,Mod4,Mod5 are no longer supported, use one of the above.</b>" );
}
2015-02-09 18:35:51 +00:00
}
if ( str->len > 0 ) {
show_error_message ( str->str, TRUE );
g_string_free ( str, TRUE );
2016-02-19 18:29:06 +00:00
return;
}
g_string_free ( str, TRUE );
2015-02-09 18:35:51 +00:00
*key = sym;
}
void x11_set_window_opacity ( xcb_connection_t *xcb_connection, Window box, unsigned int opacity )
2015-02-09 18:35:51 +00:00
{
2015-02-10 07:12:03 +00:00
// Scale 0-100 to 0 - UINT32_MAX.
2015-02-09 18:35:51 +00:00
unsigned int opacity_set = ( unsigned int ) ( ( opacity / 100.0 ) * UINT32_MAX );
xcb_change_property( xcb_connection, XCB_PROP_MODE_REPLACE, box,
netatoms[_NET_WM_WINDOW_OPACITY], XCB_ATOM_CARDINAL, 32, 1L, &opacity_set);
2015-02-09 18:35:51 +00:00
}
2015-02-10 07:12:03 +00:00
/**
* @param display The connection to the X server.
*
* Fill in the list of Atoms.
*/
2015-02-09 18:35:51 +00:00
static void x11_create_frequently_used_atoms ( Display *display )
{
// X atom values
for ( int i = 0; i < NUM_NETATOMS; i++ ) {
netatoms[i] = XInternAtom ( display, netatom_names[i], False );
}
}
static int ( *xerror )( Display *, XErrorEvent * );
/**
2015-02-10 07:12:03 +00:00
* @param d The connection to the X server.
2015-02-09 18:35:51 +00:00
* @param ee The XErrorEvent
*
* X11 Error handler.
*/
static int display_oops ( Display *d, XErrorEvent *ee )
{
2015-09-19 18:59:50 +00:00
if ( ee->error_code == BadWindow || ( ee->request_code == X_GrabButton && ee->error_code == BadAccess )
|| ( ee->request_code == X_GrabKey && ee->error_code == BadAccess ) ) {
2015-02-09 18:35:51 +00:00
return 0;
}
fprintf ( stderr, "error: request code=%d, error code=%d\n", ee->request_code, ee->error_code );
return xerror ( d, ee );
}
void x11_setup ( Display *display, xkb_stuff *xkb )
2015-02-09 18:35:51 +00:00
{
// Set error handle
XSync ( display, False );
xerror = XSetErrorHandler ( display_oops );
XSync ( display, False );
// determine numlock mask so we can bind on keys with and without it
x11_figure_out_masks ( xkb );
2015-02-09 18:35:51 +00:00
x11_create_frequently_used_atoms ( display );
}
2015-02-14 18:42:04 +00:00
void x11_create_visual_and_colormap ( xcb_connection_t *xcb_connection, xcb_screen_t *xcb_screen )
2015-02-14 18:42:04 +00:00
{
xcb_depth_iterator_t depth_iter;
for ( depth_iter = xcb_screen_allowed_depths_iterator ( xcb_screen ); depth_iter.rem; xcb_depth_next ( &depth_iter ) ) {
xcb_depth_t *d = depth_iter.data;
xcb_visualtype_iterator_t visual_iter;
for ( visual_iter = xcb_depth_visuals_iterator ( d ); visual_iter.rem; xcb_visualtype_next ( &visual_iter ) ) {
xcb_visualtype_t *v = visual_iter.data;
if ( ( d->depth == 32 ) && ( v->_class == XCB_VISUAL_CLASS_TRUE_COLOR ) ) {
depth = d;
visual = v;
}
if ( xcb_screen->root_visual == v->visual_id ) {
root_depth = d;
root_visual = v;
}
}
}
if ( visual != NULL ) {
xcb_void_cookie_t c;
xcb_generic_error_t *e;
map = xcb_generate_id ( xcb_connection );
c = xcb_create_colormap_checked ( xcb_connection, XCB_COLORMAP_ALLOC_NONE, map, xcb_screen->root, visual->visual_id );
e = xcb_request_check ( xcb_connection, c );
if ( e ) {
depth = NULL;
visual = NULL;
free ( e );
}
}
if ( visual == NULL ) {
depth = root_depth;
visual = root_visual;
map = xcb_screen->default_colormap;
2015-02-14 18:42:04 +00:00
}
}
2015-09-27 09:46:19 +00:00
Color color_get ( const char *const name )
2015-02-14 18:42:04 +00:00
{
char *copy = g_strdup ( name );
char *cname = g_strstrip ( copy );
union
{
struct
{
uint8_t b;
uint8_t g;
uint8_t r;
uint8_t a;
};
uint32_t pixel;
} color = {
.r = 0xff,
.g = 0xff,
.b = 0xff,
.a = 0xff,
};
2015-02-14 18:42:04 +00:00
// Special format.
2015-10-10 11:43:28 +00:00
if ( strncmp ( cname, "argb:", 5 ) == 0 ) {
color.pixel = strtoul ( &cname[5], NULL, 16 );
2015-02-14 18:42:04 +00:00
}
else if ( strncmp ( cname, "#", 1 ) == 0 ) {
color.pixel = strtoul ( &cname[1], NULL, 16 );
color.a = 0xff;
2015-02-14 18:42:04 +00:00
}
2015-10-10 11:43:28 +00:00
g_free ( copy );
Color ret = {
.red = color.r / 255.0,
.green = color.g / 255.0,
.blue = color.b / 255.0,
.alpha = color.a / 255.0,
};
return ret;
2015-02-14 18:42:04 +00:00
}
void x11_helper_set_cairo_rgba ( cairo_t *d, Color col )
{
cairo_set_source_rgba ( d, col.red, col.green, col.blue, col.alpha );
}
2015-10-10 12:15:27 +00:00
/**
* Color cache.
*
* This stores the current color until
*/
enum
{
BACKGROUND,
BORDER,
SEPARATOR
};
static struct
2015-10-10 12:15:27 +00:00
{
Color color;
2015-10-10 12:15:27 +00:00
unsigned int set;
} color_cache[3];
2015-10-10 12:15:27 +00:00
void color_cache_reset ( void )
{
color_cache[BACKGROUND].set = FALSE;
color_cache[BORDER].set = FALSE;
color_cache[SEPARATOR].set = FALSE;
}
void color_background ( cairo_t *d )
2015-04-06 15:13:26 +00:00
{
2015-10-10 12:15:27 +00:00
if ( !color_cache[BACKGROUND].set ) {
if ( !config.color_enabled ) {
color_cache[BACKGROUND].color = color_get ( config.menu_bg );
2015-10-10 12:15:27 +00:00
}
else {
gchar **vals = g_strsplit ( config.color_window, ",", 3 );
if ( vals != NULL && vals[0] != NULL ) {
color_cache[BACKGROUND].color = color_get ( vals[0] );
2015-10-10 12:15:27 +00:00
}
g_strfreev ( vals );
}
2015-10-10 12:15:27 +00:00
color_cache[BACKGROUND].set = TRUE;
2015-04-06 15:13:26 +00:00
}
2015-10-10 12:15:27 +00:00
x11_helper_set_cairo_rgba ( d, color_cache[BACKGROUND].color );
2015-04-06 15:13:26 +00:00
}
void color_border ( cairo_t *d )
2015-04-06 15:13:26 +00:00
{
2015-10-10 12:15:27 +00:00
if ( !color_cache[BORDER].set ) {
if ( !config.color_enabled ) {
color_cache[BORDER].color = color_get ( config.menu_bc );
2015-10-10 12:15:27 +00:00
}
else {
gchar **vals = g_strsplit ( config.color_window, ",", 3 );
if ( vals != NULL && vals[0] != NULL && vals[1] != NULL ) {
color_cache[BORDER].color = color_get ( vals[1] );
2015-10-10 12:15:27 +00:00
}
g_strfreev ( vals );
}
2015-10-10 12:15:27 +00:00
color_cache[BORDER].set = TRUE;
2015-04-06 15:13:26 +00:00
}
2015-10-10 12:15:27 +00:00
x11_helper_set_cairo_rgba ( d, color_cache[BORDER].color );
2015-04-06 15:13:26 +00:00
}
2015-08-26 16:11:53 +00:00
void color_separator ( cairo_t *d )
2015-08-26 16:11:53 +00:00
{
2015-10-10 12:15:27 +00:00
if ( !color_cache[SEPARATOR].set ) {
if ( !config.color_enabled ) {
color_cache[SEPARATOR].color = color_get ( config.menu_bc );
2015-08-26 16:11:53 +00:00
}
2015-10-10 12:15:27 +00:00
else {
gchar **vals = g_strsplit ( config.color_window, ",", 3 );
if ( vals != NULL && vals[0] != NULL && vals[1] != NULL && vals[2] != NULL ) {
color_cache[SEPARATOR].color = color_get ( vals[2] );
2015-10-10 12:15:27 +00:00
}
else if ( vals != NULL && vals[0] != NULL && vals[1] != NULL ) {
color_cache[SEPARATOR].color = color_get ( vals[1] );
2015-10-10 12:15:27 +00:00
}
g_strfreev ( vals );
2015-08-26 16:11:53 +00:00
}
2015-10-10 12:15:27 +00:00
color_cache[SEPARATOR].set = TRUE;
2015-08-26 16:11:53 +00:00
}
2015-10-10 12:15:27 +00:00
x11_helper_set_cairo_rgba ( d, color_cache[SEPARATOR].color );
2015-08-26 16:11:53 +00:00
}