mirror of
https://github.com/lbonn/rofi
synced 2024-11-15 16:38:00 +00:00
733 lines
25 KiB
C
733 lines
25 KiB
C
/**
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* rofi
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*
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* MIT/X11 License
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* Copyright (c) 2012 Sean Pringle <sean.pringle@gmail.com>
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* Modified 2013-2016 Qball Cow <qball@gmpclient.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdint.h>
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#include <glib.h>
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#include <cairo.h>
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#include <X11/X.h>
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#include <X11/Xatom.h>
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#include <X11/Xlib.h>
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#include <X11/Xmd.h>
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#include <X11/Xutil.h>
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#include <X11/Xproto.h>
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#include <X11/keysym.h>
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#include <X11/XKBlib.h>
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#include <X11/extensions/Xinerama.h>
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#include <rofi.h>
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#define OVERLAP( a, b, c, \
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d ) ( ( ( a ) == ( c ) && \
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( b ) == ( d ) ) || \
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MIN ( ( a ) + ( b ), ( c ) + ( d ) ) - MAX ( ( a ), ( c ) ) > 0 )
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#define INTERSECT( x, y, w, h, x1, y1, w1, \
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h1 ) ( OVERLAP ( ( x ), ( w ), ( x1 ), \
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( w1 ) ) && OVERLAP ( ( y ), ( h ), ( y1 ), ( h1 ) ) )
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#include "x11-helper.h"
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Atom netatoms[NUM_NETATOMS];
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const char *netatom_names[] = { EWMH_ATOMS ( ATOM_CHAR ) };
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// Mask indicating num-lock.
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unsigned int NumlockMask = 0;
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unsigned int AltMask = 0;
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unsigned int AltRMask = 0;
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unsigned int SuperRMask = 0;
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unsigned int SuperLMask = 0;
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unsigned int HyperRMask = 0;
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unsigned int HyperLMask = 0;
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unsigned int MetaRMask = 0;
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unsigned int MetaLMask = 0;
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unsigned int CombinedMask = 0;
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extern Colormap map;
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// retrieve a property of any type from a window
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int window_get_prop ( Display *display, Window w, Atom prop, Atom *type, int *items, void *buffer, unsigned int bytes )
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{
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int format;
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unsigned long nitems, nbytes;
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unsigned char *ret = NULL;
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memset ( buffer, 0, bytes );
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if ( XGetWindowProperty ( display, w, prop, 0, bytes / 4, False, AnyPropertyType, type, &format, &nitems, &nbytes, &ret ) == Success &&
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ret && *type != None && format ) {
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if ( format == 8 ) {
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memmove ( buffer, ret, MIN ( bytes, nitems ) );
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}
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if ( format == 16 ) {
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memmove ( buffer, ret, MIN ( bytes, nitems * sizeof ( short ) ) );
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}
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if ( format == 32 ) {
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memmove ( buffer, ret, MIN ( bytes, nitems * sizeof ( long ) ) );
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}
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*items = ( int ) nitems;
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XFree ( ret );
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return 1;
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}
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return 0;
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}
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// retrieve a text property from a window
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// technically we could use window_get_prop(), but this is better for character set support
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char* window_get_text_prop ( Display *display, Window w, Atom atom )
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{
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XTextProperty prop;
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char *res = NULL;
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char **list = NULL;
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int count;
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if ( XGetTextProperty ( display, w, &prop, atom ) && prop.value && prop.nitems ) {
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if ( prop.encoding == XA_STRING ) {
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size_t l = strlen ( ( char *) prop.value ) + 1;
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res = g_malloc ( l );
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// make clang-check happy.
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if ( res ) {
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g_strlcpy ( res, ( char * ) prop.value, l );
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}
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}
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else if ( Xutf8TextPropertyToTextList ( display, &prop, &list, &count ) >= Success && count > 0 && *list ) {
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size_t l = strlen ( *list ) + 1;
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res = g_malloc ( l );
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// make clang-check happy.
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if ( res ) {
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g_strlcpy ( res, *list, l );
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}
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XFreeStringList ( list );
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}
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}
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if ( prop.value ) {
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XFree ( prop.value );
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}
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return res;
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}
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int window_get_atom_prop ( Display *display, Window w, Atom atom, Atom *list, int count )
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{
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Atom type;
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int items;
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return window_get_prop ( display, w, atom, &type, &items, list, count * sizeof ( Atom ) ) && type == XA_ATOM ? items : 0;
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}
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void window_set_atom_prop ( Display *display, Window w, Atom prop, Atom *atoms, int count )
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{
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XChangeProperty ( display, w, prop, XA_ATOM, 32, PropModeReplace, ( unsigned char * ) atoms, count );
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}
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int window_get_cardinal_prop ( Display *display, Window w, Atom atom, unsigned long *list, int count )
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{
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Atom type; int items;
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return window_get_prop ( display, w, atom, &type, &items, list, count * sizeof ( unsigned long ) ) && type == XA_CARDINAL ? items : 0;
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}
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int monitor_get_smallest_size ( Display *display )
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{
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int size = MIN ( WidthOfScreen ( DefaultScreenOfDisplay ( display ) ),
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HeightOfScreen ( DefaultScreenOfDisplay ( display ) ) );
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// locate the current monitor
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if ( XineramaIsActive ( display ) ) {
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int monitors;
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XineramaScreenInfo *info = XineramaQueryScreens ( display, &monitors );
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if ( info ) {
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for ( int i = 0; i < monitors; i++ ) {
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size = MIN ( info[i].width, size );
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size = MIN ( info[i].height, size );
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}
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}
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XFree ( info );
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}
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return size;
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}
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int monitor_get_dimension ( Display *display, Screen *screen, int monitor, workarea *mon )
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{
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memset ( mon, 0, sizeof ( workarea ) );
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mon->w = WidthOfScreen ( screen );
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mon->h = HeightOfScreen ( screen );
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// locate the current monitor
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if ( XineramaIsActive ( display ) ) {
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int monitors;
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XineramaScreenInfo *info = XineramaQueryScreens ( display, &monitors );
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if ( info ) {
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if ( monitor >= 0 && monitor < monitors ) {
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mon->x = info[monitor].x_org;
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mon->y = info[monitor].y_org;
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mon->w = info[monitor].width;
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mon->h = info[monitor].height;
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return TRUE;
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}
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XFree ( info );
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}
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}
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return FALSE;
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}
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// find the dimensions of the monitor displaying point x,y
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void monitor_dimensions ( Display *display, Screen *screen, int x, int y, workarea *mon )
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{
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memset ( mon, 0, sizeof ( workarea ) );
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mon->w = WidthOfScreen ( screen );
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mon->h = HeightOfScreen ( screen );
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// locate the current monitor
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if ( XineramaIsActive ( display ) ) {
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int monitors;
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XineramaScreenInfo *info = XineramaQueryScreens ( display, &monitors );
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if ( info ) {
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for ( int i = 0; i < monitors; i++ ) {
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if ( INTERSECT ( x, y, 1, 1, info[i].x_org, info[i].y_org, info[i].width, info[i].height ) ) {
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mon->x = info[i].x_org;
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mon->y = info[i].y_org;
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mon->w = info[i].width;
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mon->h = info[i].height;
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break;
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}
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}
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}
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XFree ( info );
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}
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}
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/**
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* @param x The x position of the mouse [out]
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* @param y The y position of the mouse [out]
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*
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* find mouse pointer location
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*
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* @returns 1 when found
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*/
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static int pointer_get ( Display *display, Window root, int *x, int *y )
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{
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*x = 0;
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*y = 0;
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Window rr, cr;
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int rxr, ryr, wxr, wyr;
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unsigned int mr;
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if ( XQueryPointer ( display, root, &rr, &cr, &rxr, &ryr, &wxr, &wyr, &mr ) ) {
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*x = rxr;
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*y = ryr;
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return 1;
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}
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return 0;
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}
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// determine which monitor holds the active window, or failing that the mouse pointer
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void monitor_active ( Display *display, workarea *mon )
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{
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Screen *screen = DefaultScreenOfDisplay ( display );
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Window root = RootWindow ( display, XScreenNumberOfScreen ( screen ) );
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int x, y;
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Window id;
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Atom type;
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int count;
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if ( config.monitor >= 0 ) {
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if ( monitor_get_dimension ( display, screen, config.monitor, mon ) ) {
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return;
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}
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fprintf ( stderr, "Failed to find selected monitor.\n" );
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}
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if ( window_get_prop ( display, root, netatoms[_NET_ACTIVE_WINDOW], &type, &count, &id, sizeof ( Window ) )
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&& type == XA_WINDOW && count > 0 ) {
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XWindowAttributes attr;
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if ( XGetWindowAttributes ( display, id, &attr ) ) {
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Window junkwin;
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if ( XTranslateCoordinates ( display, id, attr.root, -attr.border_width, -attr.border_width, &x, &y, &junkwin ) == True ) {
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if ( config.monitor == -2 ) {
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// place the menu above the window
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// if some window is focused, place menu above window, else fall
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// back to selected monitor.
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mon->x = x;
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mon->y = y;
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mon->w = attr.width;
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mon->h = attr.height;
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mon->t = attr.border_width;
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mon->b = attr.border_width;
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mon->l = attr.border_width;
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mon->r = attr.border_width;
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return;
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}
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monitor_dimensions ( display, screen, x, y, mon );
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return;
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}
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}
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}
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if ( pointer_get ( display, root, &x, &y ) ) {
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monitor_dimensions ( display, screen, x, y, mon );
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return;
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}
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monitor_dimensions ( display, screen, 0, 0, mon );
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}
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int window_send_message ( Display *display, Window trg, Window subject, Atom atom, unsigned long protocol, unsigned long mask, Time time )
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{
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XEvent e;
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memset ( &e, 0, sizeof ( XEvent ) );
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e.xclient.type = ClientMessage;
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e.xclient.message_type = atom;
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e.xclient.window = subject;
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e.xclient.data.l[0] = protocol;
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e.xclient.data.l[1] = time;
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e.xclient.send_event = True;
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e.xclient.format = 32;
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int r = XSendEvent ( display, trg, False, mask, &e ) ? 1 : 0;
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XFlush ( display );
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return r;
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}
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extern unsigned int normal_window_mode;
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int take_keyboard ( Display *display, Window w )
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{
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if ( normal_window_mode ) {
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return 1;
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}
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for ( int i = 0; i < 500; i++ ) {
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if ( XGrabKeyboard ( display, w, True, GrabModeAsync, GrabModeAsync,
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CurrentTime ) == GrabSuccess ) {
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return 1;
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}
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usleep ( 1000 );
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}
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return 0;
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}
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void release_keyboard ( Display *display )
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{
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if ( !normal_window_mode ) {
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XUngrabKeyboard ( display, CurrentTime );
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}
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}
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// bind a key combination on a root window, compensating for Lock* states
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void x11_grab_key ( Display *display, unsigned int modmask, KeySym key )
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{
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Screen *screen = DefaultScreenOfDisplay ( display );
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Window root = RootWindow ( display, XScreenNumberOfScreen ( screen ) );
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KeyCode keycode = XKeysymToKeycode ( display, key );
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// bind to combinations of mod and lock masks, so caps and numlock don't confuse people
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XGrabKey ( display, keycode, modmask, root, True, GrabModeAsync, GrabModeAsync );
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XGrabKey ( display, keycode, modmask | LockMask, root, True, GrabModeAsync, GrabModeAsync );
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if ( NumlockMask ) {
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XGrabKey ( display, keycode, modmask | NumlockMask, root, True, GrabModeAsync, GrabModeAsync );
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XGrabKey ( display, keycode, modmask | NumlockMask | LockMask, root, True, GrabModeAsync, GrabModeAsync );
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}
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}
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void x11_ungrab_key ( Display *display, unsigned int modmask, KeySym key )
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{
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Screen *screen = DefaultScreenOfDisplay ( display );
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Window root = RootWindow ( display, XScreenNumberOfScreen ( screen ) );
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KeyCode keycode = XKeysymToKeycode ( display, key );
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// unbind to combinations of mod and lock masks, so caps and numlock don't confuse people
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XUngrabKey ( display, keycode, modmask, root );
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XUngrabKey ( display, keycode, modmask | LockMask, root );
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if ( NumlockMask ) {
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XUngrabKey ( display, keycode, modmask | NumlockMask, root );
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XUngrabKey ( display, keycode, modmask | NumlockMask | LockMask, root );
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}
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}
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/**
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* @param display The connection to the X server.
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*
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* Figure out what entry in the modifiermap is NumLock.
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* This sets global variable: NumlockMask
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*/
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static void x11_figure_out_numlock_mask ( Display *display )
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{
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XModifierKeymap *modmap = XGetModifierMapping ( display );
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KeyCode kc = XKeysymToKeycode ( display, XK_Num_Lock );
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KeyCode kc_altl = XKeysymToKeycode ( display, XK_Alt_L );
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KeyCode kc_altr = XKeysymToKeycode ( display, XK_Alt_R );
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KeyCode kc_superr = XKeysymToKeycode ( display, XK_Super_R );
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KeyCode kc_superl = XKeysymToKeycode ( display, XK_Super_L );
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KeyCode kc_hyperl = XKeysymToKeycode ( display, XK_Hyper_L );
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KeyCode kc_hyperr = XKeysymToKeycode ( display, XK_Hyper_R );
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KeyCode kc_metal = XKeysymToKeycode ( display, XK_Meta_L );
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KeyCode kc_metar = XKeysymToKeycode ( display, XK_Meta_R );
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for ( int i = 0; i < 8; i++ ) {
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for ( int j = 0; j < ( int ) modmap->max_keypermod; j++ ) {
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if ( kc && modmap->modifiermap[i * modmap->max_keypermod + j] == kc ) {
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NumlockMask = ( 1 << i );
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}
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if ( kc_altl && modmap->modifiermap[i * modmap->max_keypermod + j] == kc_altl ) {
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AltMask |= ( 1 << i );
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}
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if ( kc_altr && modmap->modifiermap[i * modmap->max_keypermod + j] == kc_altr ) {
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AltRMask |= ( 1 << i );
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}
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if ( kc_superr && modmap->modifiermap[i * modmap->max_keypermod + j] == kc_superr ) {
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SuperRMask |= ( 1 << i );
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}
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if ( kc_superl && modmap->modifiermap[i * modmap->max_keypermod + j] == kc_superl ) {
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SuperLMask |= ( 1 << i );
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}
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if ( kc_hyperr && modmap->modifiermap[i * modmap->max_keypermod + j] == kc_hyperr ) {
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HyperRMask |= ( 1 << i );
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}
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if ( kc_hyperl && modmap->modifiermap[i * modmap->max_keypermod + j] == kc_hyperl ) {
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HyperLMask |= ( 1 << i );
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}
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if ( kc_metar && modmap->modifiermap[i * modmap->max_keypermod + j] == kc_metar ) {
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MetaRMask |= ( 1 << i );
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}
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if ( kc_metal && modmap->modifiermap[i * modmap->max_keypermod + j] == kc_metal ) {
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MetaLMask |= ( 1 << i );
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}
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}
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}
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// Combined mask, without NumLock
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CombinedMask = ShiftMask | MetaLMask | MetaRMask | AltMask | AltRMask | SuperRMask | SuperLMask | HyperLMask | HyperRMask |
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ControlMask;
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XFreeModifiermap ( modmap );
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}
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// convert a Mod+key arg to mod mask and keysym
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void x11_parse_key ( char *combo, unsigned int *mod, KeySym *key )
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{
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GString *str = g_string_new ( "" );
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unsigned int modmask = 0;
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if ( strcasestr ( combo, "shift" ) ) {
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modmask |= ShiftMask;
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}
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if ( strcasestr ( combo, "control" ) ) {
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modmask |= ControlMask;
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}
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if ( strcasestr ( combo, "alt" ) ) {
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modmask |= AltMask;
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if ( AltMask == 0 ) {
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g_string_append_printf ( str, "X11 configured keyboard has no <b>Alt</b> key.\n" );
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}
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}
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if ( strcasestr ( combo, "altgr" ) ) {
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modmask |= AltRMask;
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if ( AltRMask == 0 ) {
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g_string_append_printf ( str, "X11 configured keyboard has no <b>AltGR</b> key.\n" );
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}
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}
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if ( strcasestr ( combo, "superr" ) ) {
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modmask |= SuperRMask;
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if ( SuperRMask == 0 ) {
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g_string_append_printf ( str, "X11 configured keyboard has no <b>SuperR</b> key.\n" );
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}
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}
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if ( strcasestr ( combo, "superl" ) ) {
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modmask |= SuperLMask;
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if ( SuperLMask == 0 ) {
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g_string_append_printf ( str, "X11 configured keyboard has no <b>SuperL</b> key.\n" );
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}
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}
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if ( strcasestr ( combo, "metal" ) ) {
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modmask |= MetaLMask;
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if ( MetaLMask == 0 ) {
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g_string_append_printf ( str, "X11 configured keyboard has no <b>MetaL</b> key.\n" );
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|
}
|
|
}
|
|
if ( strcasestr ( combo, "metar" ) ) {
|
|
modmask |= MetaRMask;
|
|
if ( MetaRMask == 0 ) {
|
|
g_string_append_printf ( str, "X11 configured keyboard has no <b>MetaR</b> key.\n" );
|
|
}
|
|
}
|
|
if ( strcasestr ( combo, "hyperl" ) ) {
|
|
modmask |= HyperLMask;
|
|
if ( HyperLMask == 0 ) {
|
|
g_string_append_printf ( str, "X11 configured keyboard has no <b>HyperL</b> key.\n" );
|
|
}
|
|
}
|
|
if ( strcasestr ( combo, "hyperr" ) ) {
|
|
modmask |= HyperRMask;
|
|
if ( HyperRMask == 0 ) {
|
|
g_string_append_printf ( str, "X11 configured keyboard has no <b>HyperR</b> key.\n" );
|
|
}
|
|
}
|
|
int seen_mod = FALSE;
|
|
if ( strcasestr ( combo, "Mod" ) ) {
|
|
seen_mod = TRUE;
|
|
}
|
|
|
|
*mod = modmask;
|
|
|
|
// Skip modifier (if exist) and parse key.
|
|
char i = strlen ( combo );
|
|
|
|
while ( i > 0 && !strchr ( "-+", combo[i - 1] ) ) {
|
|
i--;
|
|
}
|
|
|
|
KeySym sym = XStringToKeysym ( combo + i );
|
|
|
|
if ( sym == NoSymbol || ( !modmask && ( strchr ( combo, '-' ) || strchr ( combo, '+' ) ) ) ) {
|
|
// TODO popup
|
|
g_string_append_printf ( str, "Sorry, rofi cannot understand the key combination: <i>%s</i>\n", combo );
|
|
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>" );
|
|
}
|
|
}
|
|
if ( str->len > 0 ) {
|
|
show_error_message ( str->str, TRUE );
|
|
g_string_free ( str, TRUE );
|
|
exit ( EXIT_FAILURE );
|
|
}
|
|
g_string_free ( str, TRUE );
|
|
*key = sym;
|
|
}
|
|
|
|
void x11_set_window_opacity ( Display *display, Window box, unsigned int opacity )
|
|
{
|
|
// Scale 0-100 to 0 - UINT32_MAX.
|
|
unsigned int opacity_set = ( unsigned int ) ( ( opacity / 100.0 ) * UINT32_MAX );
|
|
// Set opacity.
|
|
XChangeProperty ( display, box, netatoms[_NET_WM_WINDOW_OPACITY], XA_CARDINAL, 32, PropModeReplace,
|
|
( unsigned char * ) &opacity_set, 1L );
|
|
}
|
|
|
|
/**
|
|
* @param display The connection to the X server.
|
|
*
|
|
* Fill in the list of Atoms.
|
|
*/
|
|
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 * );
|
|
/**
|
|
* @param d The connection to the X server.
|
|
* @param ee The XErrorEvent
|
|
*
|
|
* X11 Error handler.
|
|
*/
|
|
static int display_oops ( Display *d, XErrorEvent *ee )
|
|
{
|
|
if ( ee->error_code == BadWindow || ( ee->request_code == X_GrabButton && ee->error_code == BadAccess )
|
|
|| ( ee->request_code == X_GrabKey && ee->error_code == BadAccess ) ) {
|
|
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 )
|
|
{
|
|
// 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_numlock_mask ( display );
|
|
x11_create_frequently_used_atoms ( display );
|
|
}
|
|
|
|
extern XVisualInfo vinfo;
|
|
int truecolor = FALSE;
|
|
void create_visual_and_colormap ( Display *display )
|
|
{
|
|
int screen = DefaultScreen ( display );
|
|
// Try to create TrueColor map
|
|
if ( XMatchVisualInfo ( display, screen, 32, TrueColor, &vinfo ) ) {
|
|
// Visual found, lets try to create map.
|
|
map = XCreateColormap ( display, DefaultRootWindow ( display ), vinfo.visual, AllocNone );
|
|
truecolor = TRUE;
|
|
}
|
|
// Failed to create map.
|
|
// Use the defaults then.
|
|
if ( map == None ) {
|
|
truecolor = FALSE;
|
|
// Two fields we use.
|
|
vinfo.visual = DefaultVisual ( display, screen );
|
|
vinfo.depth = DefaultDepth ( display, screen );
|
|
map = DefaultColormap ( display, screen );
|
|
}
|
|
}
|
|
|
|
cairo_format_t get_format ( void )
|
|
{
|
|
if ( truecolor ) {
|
|
return CAIRO_FORMAT_ARGB32;
|
|
}
|
|
return CAIRO_FORMAT_RGB24;
|
|
}
|
|
|
|
unsigned int color_get ( Display *display, const char *const name, const char * const defn )
|
|
{
|
|
char *copy = g_strdup ( name );
|
|
char *cname = g_strstrip ( copy );
|
|
XColor color = { 0, 0, 0, 0, 0, 0 };
|
|
XColor def;
|
|
// Special format.
|
|
if ( strncmp ( cname, "argb:", 5 ) == 0 ) {
|
|
color.pixel = strtoul ( &cname[5], NULL, 16 );
|
|
color.red = ( ( color.pixel & 0x00FF0000 ) >> 16 ) * 256;
|
|
color.green = ( ( color.pixel & 0x0000FF00 ) >> 8 ) * 256;
|
|
color.blue = ( ( color.pixel & 0x000000FF ) ) * 256;
|
|
if ( !truecolor ) {
|
|
// This will drop alpha part.
|
|
Status st = XAllocColor ( display, map, &color );
|
|
if ( st == None ) {
|
|
fprintf ( stderr, "Failed to parse color: '%s'\n", cname );
|
|
st = XAllocNamedColor ( display, map, defn, &color, &def );
|
|
if ( st == None ) {
|
|
fprintf ( stderr, "Failed to allocate fallback color\n" );
|
|
exit ( EXIT_FAILURE );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
Status st = XAllocNamedColor ( display, map, cname, &color, &def );
|
|
if ( st == None ) {
|
|
fprintf ( stderr, "Failed to parse color: '%s'\n", cname );
|
|
st = XAllocNamedColor ( display, map, defn, &color, &def );
|
|
if ( st == None ) {
|
|
fprintf ( stderr, "Failed to allocate fallback color\n" );
|
|
exit ( EXIT_FAILURE );
|
|
}
|
|
}
|
|
}
|
|
g_free ( copy );
|
|
return color.pixel;
|
|
}
|
|
void x11_helper_set_cairo_rgba ( cairo_t *d, unsigned int pixel )
|
|
{
|
|
cairo_set_source_rgba ( d,
|
|
( ( pixel & 0x00FF0000 ) >> 16 ) / 255.0,
|
|
( ( pixel & 0x0000FF00 ) >> 8 ) / 255.0,
|
|
( ( pixel & 0x000000FF ) >> 0 ) / 255.0,
|
|
( ( pixel & 0xFF000000 ) >> 24 ) / 255.0
|
|
);
|
|
}
|
|
/**
|
|
* Color cache.
|
|
*
|
|
* This stores the current color until
|
|
*/
|
|
enum
|
|
{
|
|
BACKGROUND,
|
|
BORDER,
|
|
SEPARATOR
|
|
};
|
|
struct
|
|
{
|
|
unsigned int color;
|
|
unsigned int set;
|
|
} color_cache[3] = {
|
|
{ 0, FALSE },
|
|
{ 0, FALSE },
|
|
{ 0, FALSE }
|
|
};
|
|
void color_cache_reset ( void )
|
|
{
|
|
color_cache[BACKGROUND].set = FALSE;
|
|
color_cache[BORDER].set = FALSE;
|
|
color_cache[SEPARATOR].set = FALSE;
|
|
}
|
|
void color_background ( Display *display, cairo_t *d )
|
|
{
|
|
if ( !color_cache[BACKGROUND].set ) {
|
|
if ( !config.color_enabled ) {
|
|
color_cache[BACKGROUND].color = color_get ( display, config.menu_bg, "black" );
|
|
}
|
|
else {
|
|
gchar **vals = g_strsplit ( config.color_window, ",", 3 );
|
|
if ( vals != NULL && vals[0] != NULL ) {
|
|
color_cache[BACKGROUND].color = color_get ( display, vals[0], "black" );
|
|
}
|
|
g_strfreev ( vals );
|
|
}
|
|
color_cache[BACKGROUND].set = TRUE;
|
|
}
|
|
|
|
x11_helper_set_cairo_rgba ( d, color_cache[BACKGROUND].color );
|
|
}
|
|
|
|
void color_border ( Display *display, cairo_t *d )
|
|
{
|
|
if ( !color_cache[BORDER].set ) {
|
|
if ( !config.color_enabled ) {
|
|
color_cache[BORDER].color = color_get ( display, config.menu_bc, "white" );
|
|
}
|
|
else {
|
|
gchar **vals = g_strsplit ( config.color_window, ",", 3 );
|
|
if ( vals != NULL && vals[0] != NULL && vals[1] != NULL ) {
|
|
color_cache[BORDER].color = color_get ( display, vals[1], "white" );
|
|
}
|
|
g_strfreev ( vals );
|
|
}
|
|
color_cache[BORDER].set = TRUE;
|
|
}
|
|
x11_helper_set_cairo_rgba ( d, color_cache[BORDER].color );
|
|
}
|
|
|
|
void color_separator ( Display *display, cairo_t *d )
|
|
{
|
|
if ( !color_cache[SEPARATOR].set ) {
|
|
if ( !config.color_enabled ) {
|
|
color_cache[SEPARATOR].color = color_get ( display, config.menu_bc, "white" );
|
|
}
|
|
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 ( display, vals[2], "white" );
|
|
}
|
|
else if ( vals != NULL && vals[0] != NULL && vals[1] != NULL ) {
|
|
color_cache[SEPARATOR].color = color_get ( display, vals[1], "white" );
|
|
}
|
|
g_strfreev ( vals );
|
|
}
|
|
color_cache[SEPARATOR].set = TRUE;
|
|
}
|
|
x11_helper_set_cairo_rgba ( d, color_cache[SEPARATOR].color );
|
|
}
|