/** * rofi * * MIT/X11 License * Copyright (c) 2012 Sean Pringle * Modified 2013-2016 Qball Cow * * 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. * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "settings.h" #include #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 ) ) ) #include "x11-helper.h" #include "xkb-internal.h" enum { X11MOD_SHIFT, X11MOD_CONTROL, X11MOD_ALT, X11MOD_META, X11MOD_SUPER, X11MOD_HYPER, X11MOD_ANY, NUM_X11MOD }; Atom netatoms[NUM_NETATOMS]; const char *netatom_names[] = { EWMH_ATOMS ( ATOM_CHAR ) }; static unsigned int x11_mod_masks[NUM_X11MOD]; extern Colormap map; // retrieve a property of any type from a window int window_get_prop ( Display *display, Window w, Atom prop, Atom *type, int *items, void *buffer, unsigned int bytes ) { int format; unsigned long nitems, nbytes; unsigned char *ret = NULL; memset ( buffer, 0, bytes ); if ( XGetWindowProperty ( display, w, prop, 0, bytes / 4, False, AnyPropertyType, type, &format, &nitems, &nbytes, &ret ) == Success && ret && *type != None && format ) { 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 ) { size_t l = strlen ( ( char *) prop.value ) + 1; res = g_malloc ( l ); // make clang-check happy. if ( res ) { g_strlcpy ( res, ( char * ) prop.value, l ); } } else if ( Xutf8TextPropertyToTextList ( display, &prop, &list, &count ) >= Success && count > 0 && *list ) { size_t l = strlen ( *list ) + 1; res = g_malloc ( l ); // make clang-check happy. if ( res ) { g_strlcpy ( res, *list, l ); } XFreeStringList ( list ); } } if ( prop.value ) { XFree ( prop.value ); } return res; } int window_get_atom_prop ( Display *display, Window w, Atom atom, Atom *list, int count ) { Atom type; int items; return window_get_prop ( display, w, atom, &type, &items, list, count * sizeof ( Atom ) ) && type == XA_ATOM ? items : 0; } void window_set_atom_prop ( Display *display, Window w, Atom prop, Atom *atoms, int count ) { XChangeProperty ( display, w, prop, XA_ATOM, 32, PropModeReplace, ( unsigned char * ) atoms, count ); } int window_get_cardinal_prop ( Display *display, Window w, Atom atom, unsigned long *list, int count ) { Atom type; int items; return window_get_prop ( display, w, atom, &type, &items, list, count * sizeof ( unsigned long ) ) && type == XA_CARDINAL ? items : 0; } int monitor_get_smallest_size ( Display *display ) { int size = MIN ( WidthOfScreen ( DefaultScreenOfDisplay ( display ) ), HeightOfScreen ( DefaultScreenOfDisplay ( display ) ) ); // locate the current monitor if ( XineramaIsActive ( display ) ) { int monitors; XineramaScreenInfo *info = XineramaQueryScreens ( display, &monitors ); if ( info ) { for ( int i = 0; i < monitors; i++ ) { size = MIN ( info[i].width, size ); size = MIN ( info[i].height, size ); } } XFree ( info ); } return size; } int monitor_get_dimension ( Display *display, Screen *screen, int monitor, workarea *mon ) { memset ( mon, 0, sizeof ( workarea ) ); mon->w = WidthOfScreen ( screen ); mon->h = HeightOfScreen ( screen ); // locate the current monitor if ( XineramaIsActive ( display ) ) { int monitors; XineramaScreenInfo *info = XineramaQueryScreens ( display, &monitors ); if ( info ) { if ( monitor >= 0 && monitor < monitors ) { mon->x = info[monitor].x_org; mon->y = info[monitor].y_org; mon->w = info[monitor].width; mon->h = info[monitor].height; return TRUE; } XFree ( info ); } } return FALSE; } // find the dimensions of the monitor displaying point x,y void monitor_dimensions ( Display *display, Screen *screen, int x, int y, workarea *mon ) { memset ( mon, 0, sizeof ( workarea ) ); mon->w = WidthOfScreen ( screen ); mon->h = HeightOfScreen ( screen ); // locate the current monitor if ( XineramaIsActive ( display ) ) { int monitors; XineramaScreenInfo *info = XineramaQueryScreens ( display, &monitors ); if ( info ) { for ( int i = 0; i < monitors; i++ ) { if ( INTERSECT ( x, y, 1, 1, info[i].x_org, info[i].y_org, info[i].width, info[i].height ) ) { mon->x = info[i].x_org; mon->y = info[i].y_org; mon->w = info[i].width; mon->h = info[i].height; break; } } } XFree ( info ); } } /** * @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 */ static int pointer_get ( Display *display, Window root, int *x, int *y ) { *x = 0; *y = 0; Window rr, cr; int rxr, ryr, wxr, wyr; unsigned int mr; if ( XQueryPointer ( display, root, &rr, &cr, &rxr, &ryr, &wxr, &wyr, &mr ) ) { *x = rxr; *y = ryr; return 1; } return 0; } // determine which monitor holds the active window, or failing that the mouse pointer void monitor_active ( Display *display, workarea *mon ) { Screen *screen = DefaultScreenOfDisplay ( display ); Window root = RootWindow ( display, XScreenNumberOfScreen ( screen ) ); int x, y; Window id; Atom type; int count; if ( config.monitor >= 0 ) { if ( monitor_get_dimension ( display, screen, config.monitor, mon ) ) { return; } fprintf ( stderr, "Failed to find selected monitor.\n" ); } // Get the current desktop. unsigned long current_desktop = 0; if ( window_get_cardinal_prop ( display, root, netatoms[_NET_CURRENT_DESKTOP], ¤t_desktop, 1 ) ) { unsigned long desktops = 0; if ( window_get_cardinal_prop ( display, root, netatoms[_NET_NUMBER_OF_DESKTOPS], &desktops, 1 ) ) { unsigned long deskg[desktops * 2]; if ( window_get_cardinal_prop ( display, root, netatoms[_NET_DESKTOP_VIEWPORT], &deskg[0], desktops * 2 ) ) { if ( current_desktop < desktops ) { monitor_dimensions ( display, screen, deskg[current_desktop * 2], deskg[current_desktop * 2 + 1], mon ); return; } } } } if ( window_get_prop ( display, root, netatoms[_NET_ACTIVE_WINDOW], &type, &count, &id, sizeof ( Window ) ) && type == XA_WINDOW && count > 0 ) { XWindowAttributes attr; if ( XGetWindowAttributes ( display, id, &attr ) ) { Window junkwin; if ( XTranslateCoordinates ( display, id, attr.root, -attr.border_width, -attr.border_width, &x, &y, &junkwin ) == True ) { if ( config.monitor == -2 ) { // place the menu above the window // if some window is focused, place menu above window, else fall // back to selected monitor. mon->x = x; mon->y = y; mon->w = attr.width; mon->h = attr.height; mon->t = attr.border_width; mon->b = attr.border_width; mon->l = attr.border_width; mon->r = attr.border_width; return; } monitor_dimensions ( display, screen, x, y, mon ); return; } } } if ( pointer_get ( display, root, &x, &y ) ) { monitor_dimensions ( display, screen, x, y, mon ); return; } monitor_dimensions ( display, screen, 0, 0, mon ); } int window_send_message ( Display *display, Window trg, Window subject, Atom atom, unsigned long protocol, unsigned long mask, Time time ) { XEvent e; memset ( &e, 0, sizeof ( XEvent ) ); e.xclient.type = ClientMessage; e.xclient.message_type = atom; e.xclient.window = subject; e.xclient.data.l[0] = protocol; e.xclient.data.l[1] = time; e.xclient.send_event = True; e.xclient.format = 32; int r = XSendEvent ( display, trg, False, mask, &e ) ? 1 : 0; XFlush ( display ); return r; } int take_keyboard ( Display *display, Window w ) { for ( int i = 0; i < 500; i++ ) { if ( XGrabKeyboard ( display, w, True, GrabModeAsync, GrabModeAsync, CurrentTime ) == GrabSuccess ) { return 1; } usleep ( 1000 ); } return 0; } void release_keyboard ( Display *display ) { XUngrabKeyboard ( display, CurrentTime ); } static unsigned int x11_find_mod_mask ( xkb_stuff *xkb, ... ) { 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; } } 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; } // convert a Mod+key arg to mod mask and keysym void x11_parse_key ( char *combo, unsigned int *mod, xkb_keysym_t *key ) { GString *str = g_string_new ( "" ); 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 Shift key.\n" ); } } 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 Control key.\n" ); } } 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 Alt key.\n" ); } } 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 Super key.\n" ); } } 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 Meta key.\n" ); } } 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 Hyper 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--; } xkb_keysym_t sym = xkb_keysym_from_name ( combo + i, XKB_KEYSYM_CASE_INSENSITIVE ); if ( sym == XKB_KEY_NoSymbol || ( !modmask && ( strchr ( combo, '-' ) || strchr ( combo, '+' ) ) ) ) { g_string_append_printf ( str, "Sorry, rofi cannot understand the key combination: %s\n", combo ); g_string_append ( str, "\nRofi supports the following modifiers:\n\t" ); g_string_append ( str, "Shift,Control,Alt,AltGR,SuperL,SuperR," ); g_string_append ( str, "MetaL,MetaR,HyperL,HyperR" ); if ( seen_mod ) { g_string_append ( str, "\n\nMod1,Mod2,Mod3,Mod4,Mod5 are no longer supported, use one of the above." ); } } if ( str->len > 0 ) { show_error_message ( str->str, TRUE ); g_string_free ( str, TRUE ); return; } 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, xkb_stuff *xkb ) { // 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 ); 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 ); } } Color 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 ); Color ret = { .red = color.red / 65535.0, .green = color.green / 65535.0, .blue = color.blue / 65535.0, .alpha = ( ( color.pixel & 0xFF000000 ) >> 24 ) / 255.0, }; return ret; } void x11_helper_set_cairo_rgba ( cairo_t *d, Color col ) { cairo_set_source_rgba ( d, col.red, col.green, col.blue, col.alpha ); } /** * Color cache. * * This stores the current color until */ enum { BACKGROUND, BORDER, SEPARATOR }; static struct { Color color; unsigned int set; } color_cache[3]; 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 ); }