From aa2479a2294ebdbf9933ddd3e6f6583ade427ea3 Mon Sep 17 00:00:00 2001 From: Milan Santosi Date: Mon, 3 Jun 2013 11:46:28 +0200 Subject: [PATCH] Added Corny's str_concat branch of showkeys to tools Also, use this for a larger term font: urxvt -fn xft:terminus:pixelsize=30 -fade 0& Signed-off-by: Milan Santosi --- showkeys/LICENSE | 674 ++++++++++++++++++++++++++++++++++++++++++++ showkeys/Makefile | 18 ++ showkeys/README | 48 ++++ showkeys/README.md | 48 ++++ showkeys/keystack.c | 88 ++++++ showkeys/keystack.h | 27 ++ showkeys/keystack.o | Bin 0 -> 7224 bytes showkeys/showkeys | Bin 0 -> 26511 bytes showkeys/showkeys.c | 172 +++++++++++ showkeys/showkeys.h | 11 + 10 files changed, 1086 insertions(+) create mode 100644 showkeys/LICENSE create mode 100644 showkeys/Makefile create mode 100644 showkeys/README create mode 100644 showkeys/README.md create mode 100644 showkeys/keystack.c create mode 100644 showkeys/keystack.h create mode 100644 showkeys/keystack.o create mode 100755 showkeys/showkeys create mode 100644 showkeys/showkeys.c create mode 100644 showkeys/showkeys.h diff --git a/showkeys/LICENSE b/showkeys/LICENSE new file mode 100644 index 0000000..94a9ed0 --- /dev/null +++ b/showkeys/LICENSE @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + Copyright (C) + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/showkeys/Makefile b/showkeys/Makefile new file mode 100644 index 0000000..e89c640 --- /dev/null +++ b/showkeys/Makefile @@ -0,0 +1,18 @@ +showkeys: showkeys.c showkeys.h keystack.o + gcc -g -Wall showkeys.c keystack.o -o showkeys -lX11 -lxosd -lpthread -lXext -lX11 -lXinerama -lXtst + + +keystack.o: keystack.c keystack.h + gcc -c -g keystack.c + +clean: + rm showkeys keystack.o record-attempt record-example + +check-syntax: + gcc -Wall -o nul -S ${CHK_SOURCES} + +record-attempt: record-attempt.c + gcc -g -Wall record-attempt.c -L/usr/lib -lXtst -lxosd -lpthread -lXext -lX11 -lXinerama -o record-attempt + +record-example: record-example.c + gcc -g -Wall record-example.c -L/usr/lib -lXtst -lxosd -lpthread -lXext -lX11 -lXinerama -o record-example diff --git a/showkeys/README b/showkeys/README new file mode 100644 index 0000000..5e2a4cb --- /dev/null +++ b/showkeys/README @@ -0,0 +1,48 @@ +Showkeys +-------- + + +Showkeys is a simple program to display keys being pressed on the screen. + +It is useful while making presentations and screencasts. The audience +will be able to see the keys being pressed. + +It is similar to [key-mon](http://code.google.com/p/key-mon/). Key-mon +has more features that showkeys. The advantages of showkeys are + +1. Doesn't use gtk/gnome. +2. Uses [libxosd](http://sourceforge.net/projects/libxosd/) to display + keys directly onto the screen. +3. No floating windows to that always need to be on top. This is very + useful if you're using a tiling WM like Xmonad. +4. Keystroke history. key-mon has this but doesn't show + modifiers. showkeys does using and Emacs style key notation. + +The list of things which key-mon does better than showkeys is far +longer but I wanted something that fixed these specific issues. + + + +Requirements +------------ + +You will need + +1. The Xlib development libraries. (available as `libx11-dev` on Debian). +2. The libxosd development libraries (available as `libxosd-dev` on Debian). +3. Your X server should have the [record](http://www.x.org/releases/X11R7.6/doc/libXtst/recordlib.html) extension enabled. + +Compiling +--------- + +1. Unzip the tarball +2. Run `make showkeys`. It should create the executable. + +This program uses some [Gnu extensions to libc](http://www.crasseux.com/books/ctutorial/asprintf.html) so might not work with a pure POSIX libc. + +Bugs +---- + +The project is on Github. Please report bugs using the issue tracker. + + diff --git a/showkeys/README.md b/showkeys/README.md new file mode 100644 index 0000000..4ad68d6 --- /dev/null +++ b/showkeys/README.md @@ -0,0 +1,48 @@ +Showkeys +-------- + + +Showkeys is a simple program to display keys being pressed on the screen. + +It is useful while making presentations and screencasts. The audience +will be able to see the keys being pressed. + +It is similar to [key-mon](http://code.google.com/p/key-mon/). Key-mon +has more features that showkeys. The advantages of showkeys are + +1. Doesn't use gtk/gnome. +2. Uses [libxosd](http://sourceforge.net/projects/libxosd/) to display + keys directly onto the screen. +3. No floating windows that always need to be on top. This is very + useful if you're using a tiling WM like Xmonad. +4. Keystroke history. key-mon has this but doesn't show + modifiers. showkeys does using and Emacs style key notation. + +The list of things which key-mon does better than showkeys is far +longer but I wanted something that fixed these specific issues. + + + +Requirements +------------ + +You will need + +1. The Xlib development libraries. (available as `libx11-dev` on Debian). +2. The libxosd development libraries (available as `libxosd-dev` on Debian). +3. Your X server should have the [record](http://www.x.org/releases/X11R7.6/doc/libXtst/recordlib.html) extension enabled. + +Compiling +--------- + +1. Unzip the tarball +2. Run `make showkeys`. It should create the executable. + +This program uses some [Gnu extensions to libc](http://www.crasseux.com/books/ctutorial/asprintf.html) so might not work with a pure POSIX libc. + +Bugs +---- + +The project is on Github. Please report bugs using the issue tracker. + + diff --git a/showkeys/keystack.c b/showkeys/keystack.c new file mode 100644 index 0000000..74245ff --- /dev/null +++ b/showkeys/keystack.c @@ -0,0 +1,88 @@ +/* Showkeys + Copyright Noufal Ibrahim 2011 + + Licensed under the GPLv3 : http://www.gnu.org/licenses/gpl.txt + + Please see LICENSE file for complete license. +*/ + +#include +#include +#include +#include + +#include "keystack.h" + +static void +push_back(KeyStack *stack, int index) +{ + int i; + free(stack->keystrokes[0].keyname); + for (i=0; ikeystrokes[i] = stack->keystrokes[i+1]; +} + +KeyStack * +create_keystack(int size) +{ + int i; + KeyStack *retval = NULL; + KeyStroke *stack = NULL; + + stack = (KeyStroke *)malloc(sizeof(KeyStroke) * size); + for (i=0; isize = size; + retval->pos = -1; + retval->keystrokes = stack; + + return retval; +} + +void +push(KeyStack *stack, char *keyname) +{ + int index; + KeyStroke *last; + char *last_key; + + last = &stack->keystrokes[stack->pos]; + last_key = last->keyname; + index = stack->pos + 1; + + if (index && strlen (keyname) < 3 && last->times != 0) { + /* If the same as the top of the stack, increment count */ + int newlen = strlen(keyname) + strlen(last_key) + 1; + last->keyname = malloc(newlen); + snprintf(last->keyname, newlen, "%s%s", last_key, keyname); + free(last_key); + } else { + /* Add a new entry */ + if (index == stack->size) { + push_back(stack, stack->pos); + index = stack->size-1; + } + stack->keystrokes[index].keyname = keyname; + + int concat = 0; + if(strlen(keyname) < 3){concat = 1;}else {concat = 0;} + stack->keystrokes[index].times = concat; + stack->pos = index; + } +} + + +void +display_keystack(KeyStack *stack) +{ + int i; + printf("---- Keystack ----\n"); + for (i = 0; i <= stack->pos; i++) { + printf("%s %d times\n", stack->keystrokes[i].keyname, stack->keystrokes[i].times); + } + printf("---- -------- ----\n\n"); +} diff --git a/showkeys/keystack.h b/showkeys/keystack.h new file mode 100644 index 0000000..aa056f2 --- /dev/null +++ b/showkeys/keystack.h @@ -0,0 +1,27 @@ +/* Showkeys + Copyright Noufal Ibrahim 2011 + + Licensed under the GPLv3 : http://www.gnu.org/licenses/gpl.txt + + Please see LICENSE file for complete license. +*/ +#define NKEYS 10 + +typedef struct { + char *keyname; + int times; +} KeyStroke; + +typedef struct { + int size; + int pos; + KeyStroke *keystrokes; +} KeyStack; + + + +KeyStack *create_keystack(); +void push(KeyStack *, char *); +void display_keystack(KeyStack *); + + diff --git a/showkeys/keystack.o b/showkeys/keystack.o new file mode 100644 index 0000000000000000000000000000000000000000..57b82af855091e674da5d8ccadeca763e7a40a61 GIT binary patch literal 7224 zcmb_gZ)_Y#6`$QZ+Z&(%ob5C%Nm^YM4D?UVNnB_er|ChoWL+nbo7B`FisJKmW1nK* zS@*|I+C;e65SIHAg9Mc*q>&0jKtlO|ltNJB7U85q5P_in5Tvw}$ZhywkWmA;3h&Ll zx3`|VNcq6XyEE_i{?3~>v*Y`cz4!B`VF+%9*d@voqe9$lD323zm=Nnko9J`Azd6%? 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zgH^72zRso3a`qd{rO$TOzvj~G4Lxt>(zE+?=F;;f6;+=*Ov&bnUY=NR>huIGml&?%?ADu7(}C}cnHLutQ}7e9vuz1nzi zejqCZxi1O&RQvA-oq7X#aef^1>HPK!A!m-EKlRbm)eDNQzYEgz-zvKPh)B~<6_Ecn z=(I<_m(x!c&{!Nb#+e13%s59i=;k!zLOuzY%HJUPr;ZCgv8sVy?mEXq&+$7IU4KP( zpC~oNPK5COl;Z~QbH7{t!I19XQ6XmvyTQece%$rvkH^m|Ir4|=s#Zy1X^b4rhrZe*_`I{r_9 zKAj)_r=V9D-1d+MfA8^_EWrOB=PRZ9_eu=$H zAfM}fr?dZip!;b+-f=?7(O;(BtIA&}Am{Z0bp9Zw|Mi!mN0ppPLC;ePxUc}dsQ`U* z0s77Y^gRXW`vkqh*?iz0W!hK){?99Z{q^dNivIyYpL(D6{Q`1+4*GQah2zEPz<_Hz zaJ&w|mey(Pz}b!WOPh9W-w|qS-MNdqgoifgpsO~yihAOqzJYjGcpxMmWro7(5xk%o z92$t=-A?2Bb!%1`EC@w=Mu^rJ@@Z&KdTn@Hx?O#gN$B=$AOGt@+QpV;C$wE4qVZ`jtl30CoO zt|}34sf^H-ZQD0)XbWxMvSnw>uF$Rx8{1mw7_pglcQP$^Lsu`9a=#tnw%UP!d;e_b zg_E 2011 + + Licensed under the GPLv3 : http://www.gnu.org/licenses/gpl.txt + + Please see LICENSE file for complete license. +*/ + + +#define _GNU_SOURCE +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "showkeys.h" +#include "keystack.h" + +Display *d0, *d1; +KeyStack *keystack; +xosd *osd; + + +int +process_modifiers(KeySym ks, int * meta, int *ctrl, int *shift, int val) +{ + int modifier_pressed = 0; + switch(ks) { + case XK_Shift_L: + case XK_Shift_R: + *shift = val; + modifier_pressed = 1; + break; + case XK_Control_L: + case XK_Control_R: + *ctrl = val; + modifier_pressed = 1; + break; + case XK_Alt_L: + case XK_Alt_R: + *meta = val; /* This is not accurate but it's correct for my keyboard mappings */ + modifier_pressed = 1; + break; + } + return modifier_pressed; +} + +char * +create_emacs_keyname(char *keyname, int meta, int ctrl, int shift) +{ + char *retval; + /* TBD: Handle <. > and others like that wehere XLookupString gives the right values */ + printf("%d %d %d ", meta, ctrl, shift); + asprintf(&retval, "%s%s%s%s", ctrl?"C-":"", meta?"M-":"", shift?"S-":"", keyname); + printf(" %s\n",retval); + return retval; +} + +xosd * +configure_osd(int lines) +{ + xosd *osd; + osd = xosd_create (NKEYS); + //xosd_set_font(osd, "-adobe-courier-bold-r-normal--34-240-100-100-m-200-iso8859-1"); + xosd_set_font(osd, "-misc-fixed-bold-r-normal-*-18-*-*-*-*-90-iso8859-*"); + xosd_set_pos(osd, XOSD_top); + xosd_set_align(osd, XOSD_right); + + xosd_set_colour(osd, "green"); + xosd_set_outline_colour(osd, "black"); + xosd_set_outline_offset(osd, 7); + xosd_set_shadow_colour(osd, "grey"); + xosd_set_shadow_offset(osd, 0); + + xosd_set_timeout(osd, -1); + return osd; +} + +void +display_keystrokes(xosd *osd, KeyStack *stack) +{ + int i; + for(i = 0; i < NKEYS; i++) { + if (stack->keystrokes[i].keyname) { + xosd_display(osd, i, XOSD_printf, "%s", stack->keystrokes[i].keyname); + } + } +} + +void +update_key_ring (XPointer priv, XRecordInterceptData *data) +{ + static int meta = 0; + static int ctrl = 0; + static int shift = 0; + xEvent *event; + KeySym ks; + char *display_string; + char *ksname; + if (data->category==XRecordFromServer) { + event=(xEvent *)data->data; + display_keystack(keystack); + switch (event->u.u.type) { + case KeyPress: + ks = XKeycodeToKeysym(d0, event->u.u.detail, 0); + ksname = XKeysymToString (ks); /* TBD: Might have to handle no symbol keys */ + if (! process_modifiers(ks, &meta, &ctrl, &shift, 1)) { + display_string = create_emacs_keyname(ksname, meta, ctrl, shift); + push(keystack, display_string); + display_keystrokes(osd, keystack); + } + break; + case KeyRelease: + ks = XKeycodeToKeysym(d0, event->u.u.detail, 0); + process_modifiers(ks, &meta, &ctrl, &shift, 0); + break; + } + } +} + + +int +main() +{ + XRecordContext xrd; + XRecordRange *range; + XRecordClientSpec client; + + osd = configure_osd(NKEYS); + keystack = create_keystack(NKEYS); + + d0 = XOpenDisplay(NULL); + d1 = XOpenDisplay(NULL); + + XSynchronize(d0, True); + if (d0 == NULL || d1 == NULL) { + fprintf(stderr, "Cannot connect to X server"); + exit (-1); + } + + client=XRecordAllClients; + + range=XRecordAllocRange(); + memset(range, 0, sizeof(XRecordRange)); + range->device_events.first=KeyPress; + range->device_events.last=KeyRelease; + + xrd = XRecordCreateContext(d0, 0, &client, 1, &range, 1); + + if (! xrd) { + fprintf(stderr, "Error in creating context"); + exit (-1); + } + + XRecordEnableContext(d1, xrd, update_key_ring, (XPointer)osd); + + XRecordProcessReplies (d1); + + + XRecordDisableContext (d0, xrd); + XRecordFreeContext (d0, xrd); + + + XCloseDisplay(d0); + XCloseDisplay(d1); + exit(0); +} diff --git a/showkeys/showkeys.h b/showkeys/showkeys.h new file mode 100644 index 0000000..98e02f0 --- /dev/null +++ b/showkeys/showkeys.h @@ -0,0 +1,11 @@ +/* Showkeys + Copyright Noufal Ibrahim 2011 + + Licensed under the GPLv3 : http://www.gnu.org/licenses/gpl.txt + + Please see LICENSE file for complete license. +*/ +void update_key_ring (XPointer priv, XRecordInterceptData *data); +char *create_emacs_keyname(char *, int, int, int); +int process_modifiers(KeySym , int * , int *, int *, int); +xosd *configure_osd(int); -- 2.22.0