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/*----------------------------------------------------------------------* |
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* File: rxvttoolkit.h - provide toolkit-functionality for rxvt. |
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*----------------------------------------------------------------------* |
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* |
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* All portions of code are copyright by their respective author/s. |
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* Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*----------------------------------------------------------------------*/ |
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|
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#ifndef RXVT_TOOLKIT_H |
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#define RXVT_TOOLKIT_H |
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|
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#include <X11/Xlib.h> |
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|
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#if XFT |
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# include <X11/Xft/Xft.h> |
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#endif |
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|
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#include "ev_cpp.h" |
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|
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#include "rxvtutil.h" |
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|
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#include "callback.h" |
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|
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// see rxvttoolkit.C:xa_names, which must be kept in sync |
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enum { |
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XA_TEXT, |
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XA_COMPOUND_TEXT, |
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XA_UTF8_STRING, |
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XA_MULTIPLE, |
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XA_TARGETS, |
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XA_TIMESTAMP, |
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XA_VT_SELECTION, |
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XA_INCR, |
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XA_WM_PROTOCOLS, |
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XA_WM_DELETE_WINDOW, |
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XA_CLIPBOARD, |
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XA_AVERAGE_WIDTH, |
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XA_WEIGHT_NAME, |
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XA_SLANT, |
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XA_CHARSET_REGISTRY, |
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XA_CHARSET_ENCODING, |
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#if ENABLE_FRILLS |
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XA_MOTIF_WM_HINTS, |
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#endif |
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#if ENABLE_EWMH |
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XA_NET_WM_PID, |
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XA_NET_WM_NAME, |
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XA_NET_WM_ICON_NAME, |
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XA_NET_WM_PING, |
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#endif |
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#if USE_XIM |
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XA_WM_LOCALE_NAME, |
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XA_XIM_SERVERS, |
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#endif |
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#if ENABLE_TRANSPARENCY |
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XA_XROOTPMAP_ID, |
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XA_ESETROOT_PMAP_ID, |
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#endif |
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#if ENABLE_XEMBED |
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XA_XEMBED, |
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XA_XEMBED_INFO, |
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#endif |
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#if !ENABLE_MINIMAL |
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// these are usually allocated by other subsystems, but we do it |
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// here to avoid a server roundtrip. |
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XA_SCREEN_RESOURCES, |
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XA_XDCCC_LINEAR_RGB_CORRECTION, |
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XA_XDCCC_LINEAR_RGB_MATRICES, |
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XA_WM_COLORMAP_WINDOWS, |
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XA_WM_STATE, |
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XA_cursor, |
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# if USE_XIM |
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// various selection targets used by XIM |
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XA_TRANSPORT, |
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XA_LOCALES, |
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XA__XIM_PROTOCOL, |
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XA__XIM_XCONNECT, |
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XA__XIM_MOREDATA, |
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# endif |
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#endif |
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NUM_XA |
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}; |
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|
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struct rxvt_term; |
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struct rxvt_display; |
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|
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struct im_watcher; |
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struct xevent_watcher; |
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|
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template<class watcher> |
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struct event_vec : vector<watcher *> |
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{ |
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void erase_unordered (unsigned int pos) |
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{ |
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watcher *w = (*this)[this->size () - 1]; |
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this->pop_back (); |
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|
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if (!this->empty ()) |
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if (((*this)[pos] = w)) // '=' is correct! |
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w->active = pos + 1; |
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} |
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}; |
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|
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struct rxvt_watcher |
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{ |
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int active; /* 0 == inactive, else index into respective vector */ |
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|
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bool is_active () { return active; } |
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|
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rxvt_watcher () : active (0) { } |
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}; |
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|
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struct refcounted |
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{ |
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int referenced; |
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char *id; |
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|
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refcounted (const char *id); |
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bool ref_init () { return false; } |
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void ref_next () { } |
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~refcounted (); |
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}; |
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|
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template<class T> |
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struct refcache : vector<T *> |
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{ |
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T *get (const char *id); |
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void put (T *obj); |
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void clear (); |
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|
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~refcache () |
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{ |
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clear (); |
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} |
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}; |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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struct rxvt_screen; |
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|
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struct rxvt_drawable |
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{ |
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rxvt_screen *screen; |
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Drawable drawable; |
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operator Drawable() { return drawable; } |
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|
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#if XFT |
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XftDraw *xftdrawable; |
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operator XftDraw *(); |
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#endif |
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|
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rxvt_drawable (rxvt_screen *screen, Drawable drawable) |
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: screen(screen), |
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#if XFT |
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xftdrawable(0), |
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#endif |
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drawable(drawable) |
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{ } |
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|
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#if XFT |
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~rxvt_drawable (); |
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#endif |
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}; |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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#ifdef USE_XIM |
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struct rxvt_xim : refcounted |
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{ |
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void destroy (); |
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rxvt_display *display; |
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|
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//public |
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XIM xim; |
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|
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rxvt_xim (const char *id) : refcounted (id) { } |
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bool ref_init (); |
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~rxvt_xim (); |
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}; |
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#endif |
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|
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struct rxvt_screen |
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{ |
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rxvt_display *display; |
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Display *dpy; |
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int depth; |
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Visual *visual; |
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Colormap cmap; |
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|
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#if XFT |
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// scratch pixmap |
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rxvt_drawable *scratch_area; |
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int scratch_w, scratch_h; |
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|
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rxvt_drawable &scratch_drawable (int w, int h); |
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|
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rxvt_screen (); |
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#endif |
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|
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void set (rxvt_display *disp); |
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void select_visual (int bitdepth); |
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void clear (); |
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}; |
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|
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struct rxvt_display : refcounted |
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{ |
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event_vec<xevent_watcher> xw; |
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|
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ev::prepare flush_ev; void flush_cb (ev::prepare &w, int revents); |
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ev::io x_ev ; void x_cb (ev::io &w, int revents); |
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|
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#ifdef USE_XIM |
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refcache<rxvt_xim> xims; |
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vector<im_watcher *> imw; |
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|
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void im_change_cb (); |
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void im_change_check (); |
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#endif |
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|
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//public |
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Display *dpy; |
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int screen; |
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Window root; |
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rxvt_term *selection_owner; |
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Atom xa[NUM_XA]; |
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bool is_local; |
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#ifdef POINTER_BLANK |
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Cursor blank_cursor; |
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#endif |
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|
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rxvt_display (const char *id); |
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XrmDatabase get_resources (bool refresh); |
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bool ref_init (); |
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void ref_next (); |
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~rxvt_display (); |
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|
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void flush () |
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{ |
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flush_ev.start (); |
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} |
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|
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Atom atom (const char *name); |
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void set_selection_owner (rxvt_term *owner); |
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|
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void reg (xevent_watcher *w); |
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void unreg (xevent_watcher *w); |
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|
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#ifdef USE_XIM |
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void reg (im_watcher *w); |
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void unreg (im_watcher *w); |
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|
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rxvt_xim *get_xim (const char *locale, const char *modifiers); |
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void put_xim (rxvt_xim *xim); |
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#endif |
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}; |
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|
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#ifdef USE_XIM |
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struct im_watcher : rxvt_watcher, callback<void (void)> { |
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void start (rxvt_display *display) |
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{ |
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display->reg (this); |
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} |
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|
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void stop (rxvt_display *display) |
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{ |
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display->unreg (this); |
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} |
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}; |
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#endif |
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|
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struct xevent_watcher : rxvt_watcher, callback<void (XEvent &)> |
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{ |
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Window window; |
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|
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void start (rxvt_display *display, Window window) |
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{ |
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this->window = window; |
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display->reg (this); |
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} |
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|
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void stop (rxvt_display *display) |
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{ |
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display->unreg (this); |
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} |
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}; |
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|
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extern refcache<rxvt_display> displays; |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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typedef unsigned long Pixel; |
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|
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struct rgba |
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{ |
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unsigned short r, g, b, a; |
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|
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enum { MIN_CC = 0x0000, MAX_CC = 0xffff }; |
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|
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rgba () |
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{ } |
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|
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rgba (unsigned short r, unsigned short g, unsigned short b, unsigned short a = MAX_CC) |
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: r(r), g(g), b(b), a(a) |
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{ } |
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}; |
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|
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struct rxvt_color |
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{ |
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#if XFT |
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XftColor c; |
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#else |
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XColor c; |
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#endif |
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|
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operator Pixel () const { return c.pixel; } |
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|
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bool operator == (const rxvt_color &b) const { return Pixel (*this) == Pixel (b); } |
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bool operator != (const rxvt_color &b) const { return Pixel (*this) != Pixel (b); } |
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|
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bool is_opaque () const |
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{ |
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#if XFT |
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return c.color.alpha == rgba::MAX_CC; |
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#else |
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return 1; |
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#endif |
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} |
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|
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bool alloc (rxvt_screen *screen, const rgba &color); |
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void free (rxvt_screen *screen); |
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|
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void get (rgba &color); |
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void get (XColor &color); |
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|
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bool set (rxvt_screen *screen, const char *name); |
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bool set (rxvt_screen *screen, const rgba &color); |
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|
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void fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to = rgba (0, 0, 0)); |
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}; |
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|
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#if TRACE_PIXMAPS |
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Pixmap trace_XCreatePixmap (const char *file, int line, Display *dpy, Window r, unsigned int w, unsigned int h, unsigned int d); |
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void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p); |
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|
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# define XCreatePixmap(dpy,r,w,h,d) trace_XCreatePixmap (__FILE__,__LINE__,dpy,r,w,h,d) |
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# define XFreePixmap(dpy,p) trace_XFreePixmap (__FILE__,__LINE__,dpy,p) |
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#endif |
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|
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#endif |
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|
