Fix strfkey with focus events

So far there is no way to set it up, I'm not sure how to go about it.

.travis.yml

@@ -1,39 +0,0 @@
-language: c
-notifications:
- irc:
-  channels: "irc.janouch.name#dev"
-  use_notice: true
-  skip_join: true
-  template:
-   - "%{repository_name}#%{build_number} on %{branch}: %{message}"
-   - "  %{compare_url}"
-   - "  %{build_url}"
-  on_success: change
-  on_failure: always
-env:
- global:
-  - secure: "rzavv9NhQeZ3Zn6g9WgabUuTsXG1ncc+dWyXw3ytN15uWa4UelVzjAYvr31XeyXwsqZi3rDRHuz8ooIi1NLeLewozpEdkyakLjZOAnggqCnkF/yw/secuRo8MzweGXAefF+7cR2JYyH/E/PfMfAY8Qb0NnfEV1j7X9GCN2sJcxA="
-addons:
- coverity_scan:
-  project:
-   name: "pjanouch/termo"
-   description: "Terminal key input library"
-  notification_email: p.janouch@gmail.com
-  build_command_prepend: "cmake .. -DCMAKE_BUILD_TYPE=Release -DBUILD_TESTING=ON"
-  build_command: "make all demos"
-  branch_pattern: coverity_scan
-compiler:
- - clang
- - gcc
-before_install:
- - sudo apt-get update -qq
-install:
- - sudo apt-get install -y libncursesw5-dev libglib2.0-dev
-before_script:
- - mkdir build
- - cd build
-script:
- - cmake .. -DCMAKE_INSTALL_PREFIX=/usr -DBUILD_TESTING=ON
- - make all demos
- - ctest -V
- - cpack -G DEB

CMakeLists.txt

@@ -49,20 +49,20 @@ set (lib_headers
 
 # Project libraries
 # We need ncurses for one of the demos, so we're always looking
-if (NCURSESW_FOUND)
-	include_directories (${NCURSESW_INCLUDE_DIRS})
-	set (curses_libraries ${NCURSESW_LIBRARIES})
+if (Ncursesw_FOUND)
+	include_directories (${Ncursesw_INCLUDE_DIRS})
+	set (curses_libraries ${Ncursesw_LIBRARIES})
 elseif (CURSES_FOUND)
 	include_directories (${CURSES_INCLUDE_DIR})
 	set (curses_libraries ${CURSES_LIBRARY})
-endif (NCURSESW_FOUND)
+endif (Ncursesw_FOUND)
 
 if (unibilium_FOUND)
 	include_directories (${unibilium_INCLUDE_DIRS})
 	set (lib_libraries ${unibilium_LIBRARIES})
 	add_definitions (-DHAVE_UNIBILIUM)
 elseif (curses_libraries)
-	include_directories (${NCURSESW_INCLUDE_DIRS})
+	include_directories (${Ncursesw_INCLUDE_DIRS})
 	set (lib_libraries ${curses_libraries})
 else (CURSES_FOUND)
 	message (SEND_ERROR "Unibilium not found, Curses not found")
@@ -147,6 +147,7 @@ set (project_tests
 	30mouse
 	31position
 	32modereport
+	33focus
 	39csi)
 
 if (BUILD_TESTING)
@@ -173,8 +174,8 @@ install (FILES "${PROJECT_BINARY_DIR}/${PROJECT_NAME}.pc"
 
 # CPack
 set (CPACK_PACKAGE_DESCRIPTION_SUMMARY "Terminal key input library")
-set (CPACK_PACKAGE_VENDOR "Premysl Janouch")
-set (CPACK_PACKAGE_CONTACT "Přemysl Janouch <p@janouch.name>")
+set (CPACK_PACKAGE_VENDOR "Premysl Eric Janouch")
+set (CPACK_PACKAGE_CONTACT "Přemysl Eric Janouch <p@janouch.name>")
 set (CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE")
 set (CPACK_PACKAGE_VERSION_MAJOR ${project_VERSION_MAJOR})
 set (CPACK_PACKAGE_VERSION_MINOR ${project_VERSION_MINOR})

LICENSE

@@ -1,5 +1,5 @@
 Copyright (c) 2007-2014 Paul Evans <leonerd@leonerd.org.uk>
-Copyright (c) 2014 Přemysl Janouch <p@janouch.name>
+Copyright (c) 2014-2020 Přemysl Eric Janouch <p@janouch.name>
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.adoc

@@ -68,7 +68,7 @@ Bitcoin donations are accepted at: 12r5uEWEgcHC46xd64tt3hHt9EUvYYDHe9
 License
 -------
 'termo' is based on the 'termkey' library, originally written by Paul Evans
-<leonerd@leonerd.org.uk>, with additional changes made by Přemysl Janouch
+<leonerd@leonerd.org.uk>, with additional changes made by Přemysl Eric Janouch
 <p@janouch.name>.
 
 You may use the software under the terms of the MIT license, the text of which

cmake/FindNcursesw.cmake

@@ -1,17 +1,17 @@
 # Public Domain
 
 find_package (PkgConfig REQUIRED)
-pkg_check_modules (NCURSESW QUIET ncursesw)
+pkg_check_modules (Ncursesw QUIET ncursesw)
 
 # OpenBSD doesn't provide a pkg-config file
-set (required_vars NCURSESW_LIBRARIES)
-if (NOT NCURSESW_FOUND)
-	find_library (NCURSESW_LIBRARIES NAMES ncursesw)
-	find_path (NCURSESW_INCLUDE_DIRS ncurses.h)
-	list (APPEND required_vars NCURSESW_INCLUDE_DIRS)
-endif (NOT NCURSESW_FOUND)
+set (required_vars Ncursesw_LIBRARIES)
+if (NOT Ncursesw_FOUND)
+	find_library (Ncursesw_LIBRARIES NAMES ncursesw)
+	find_path (Ncursesw_INCLUDE_DIRS ncurses.h)
+	list (APPEND required_vars Ncursesw_INCLUDE_DIRS)
+endif (NOT Ncursesw_FOUND)
 
 include (FindPackageHandleStandardArgs)
-FIND_PACKAGE_HANDLE_STANDARD_ARGS (NCURSESW DEFAULT_MSG ${required_vars})
+FIND_PACKAGE_HANDLE_STANDARD_ARGS (Ncursesw DEFAULT_MSG ${required_vars})
 
-mark_as_advanced (NCURSESW_LIBRARIES NCURSESW_INCLUDE_DIRS)
+mark_as_advanced (Ncursesw_LIBRARIES Ncursesw_INCLUDE_DIRS)

driver-csi.c

@@ -331,6 +331,33 @@ handle_csi_m (termo_t *tk, termo_key_t *key, int cmd, long *arg, int args)
 	return TERMO_RES_NONE;
 }
 
+//
+// Handler for CSI I / CSI O focus events
+//
+
+static termo_result_t
+handle_csi_IO (termo_t *tk, termo_key_t *key, int cmd, long *arg, int args)
+{
+	(void) tk;
+	(void) arg;
+	(void) args;
+
+	switch (cmd &= 0xff)
+	{
+	case 'I':
+		key->type = TERMO_TYPE_FOCUS;
+		key->code.focused = true;
+		return TERMO_RES_KEY;
+	case 'O':
+		key->type = TERMO_TYPE_FOCUS;
+		key->code.focused = false;
+		return TERMO_RES_KEY;
+	default:
+		return TERMO_RES_NONE;
+	}
+	return TERMO_RES_NONE;
+}
+
 termo_result_t
 termo_interpret_mouse (termo_t *tk, const termo_key_t *key,
 	termo_mouse_event_t *event, int *button, int *line, int *col)
@@ -671,6 +698,9 @@ register_keys (void)
 	csi_handlers['M' - 0x20] = &handle_csi_m;
 	csi_handlers['m' - 0x20] = &handle_csi_m;
 
+	csi_handlers['I' - 0x20] = &handle_csi_IO;
+	csi_handlers['O' - 0x20] = &handle_csi_IO;
+
 	csi_handlers['R' - 0x20] = &handle_csi_R;
 
 	csi_handlers['y' - 0x20] = &handle_csi_y;

termo.c

@@ -156,6 +156,9 @@ print_key (termo_t *tk, termo_key_t *key)
 			ev, button, line, col);
 		break;
 	}
+	case TERMO_TYPE_FOCUS:
+		fprintf (stderr, "%s\n", key->code.focused ? "Focused" : "Defocused");
+		break;
 	case TERMO_TYPE_POSITION:
 	{
 		int line, col;
@@ -1572,6 +1575,9 @@ termo_strfkey_generic (termo_t *tk, char *buffer, size_t len,
 		}
 		break;
 	}
+	case TERMO_TYPE_FOCUS:
+		l = snprintf (buffer + pos, len - pos, "Focus(%d)", key->code.focused);
+		break;
 	case TERMO_TYPE_POSITION:
 		l = snprintf (buffer + pos, len - pos, "Position");
 		break;
@@ -1826,6 +1832,8 @@ termo_keycmp (termo_t *tk,
 			return cmp;
 		break;
 	}
+	case TERMO_TYPE_FOCUS:
+		return key1.code.focused - key2.code.focused;
 	case TERMO_TYPE_POSITION:
 	{
 		int line1, col1, line2, col2;

termo.h

@@ -97,6 +97,7 @@ enum termo_type
 	TERMO_TYPE_MOUSE,
 	TERMO_TYPE_POSITION,
 	TERMO_TYPE_MODEREPORT,
+	TERMO_TYPE_FOCUS,
 	// add other recognised types here
 
 	TERMO_TYPE_UNKNOWN_CSI = -1
@@ -159,6 +160,7 @@ struct termo_key
 		uint32_t    codepoint; // TERMO_TYPE_KEY
 		int         number;    // TERMO_TYPE_FUNCTION
 		termo_sym_t sym;       // TERMO_TYPE_KEYSYM
+		int         focused;   // TERMO_TYPE_FOCUS
 
 		// TERMO_TYPE_MODEREPORT
 		// opaque, see termo_interpret_modereport()

tests/33focus.c

@@ -0,0 +1,28 @@
+#include "../termo.h"
+#include "taplib.h"
+
+int
+main (int argc, char *argv[])
+{
+	termo_t *tk;
+	termo_key_t key;
+
+	plan_tests (6);
+
+	tk = termo_new_abstract ("vt100", NULL, 0);
+
+	termo_push_bytes (tk, "\e[I", 3);
+	is_int (termo_getkey (tk, &key), TERMO_RES_KEY,
+		"getkey yields RES_KEY for focus in");
+	is_int (key.type, TERMO_TYPE_FOCUS, "key.type for focus in");
+	is_int (key.code.focused, 1, "focused indicator for focus in");
+
+	termo_push_bytes (tk, "\e[O", 3);
+	is_int (termo_getkey (tk, &key), TERMO_RES_KEY,
+		"getkey yields RES_KEY for focus out");
+	is_int (key.type, TERMO_TYPE_FOCUS, "key.type for focus out");
+	is_int (key.code.focused, 0, "focused indicator for focus out");
+
+	termo_destroy (tk);
+	return exit_status ();
+}