Loosen restrictions on commands, update docs

Closes #531

config

@@ -18,7 +18,7 @@ set $menu dmenu_run
 
 ### Output configuration
 #
-# Default wallpaper - CC-BY-NC from Netzlemming http://netzlemming.deviantart.com/art/Field-of-Barley-05240017-307176737
+# Default wallpaper (more resolutions are available in /usr/share/sway/)
 output * bg /usr/share/sway/Sway_Wallpaper_Blue_1920x1080.png fill
 #
 # Example output configuration:

sway/commands.c

@@ -215,11 +215,8 @@ static struct cmd_results *cmd_bindsym(int argc, char **argv) {
 	struct cmd_results *error = NULL;
 	if ((error = checkarg(argc, "bindsym", EXPECTED_MORE_THAN, 1))) {
 		return error;
-	} else if (!config->reading) {
-		return cmd_results_new(CMD_FAILURE, "bindsym", "Can only be used in config file.");
 	}
 
-
 	struct sway_binding *binding = malloc(sizeof(struct sway_binding));
 	binding->keys = create_list();
 	binding->modifiers = 0;
@@ -283,11 +280,8 @@ static struct cmd_results *cmd_bindcode(int argc, char **argv) {
 	struct cmd_results *error = NULL;
 	if ((error = checkarg(argc, "bindcode", EXPECTED_MORE_THAN, 1))) {
 		return error;
-	} else if (!config->reading) {
-		return cmd_results_new(CMD_FAILURE, "bindcode", "Can only be used in config file.");
 	}
 
-
 	struct sway_binding *binding = malloc(sizeof(struct sway_binding));
 	binding->keys = create_list();
 	binding->modifiers = 0;

sway/sway-input.5.txt

@@ -11,8 +11,8 @@ sway-input - input configuration file and commands
 Description
 -----------
 
-Sway allows for configuration of libinput devices.
-
+Sway allows for configuration of libinput devices through _input { }_ blocks in
+your config file.
 
 Commands
 --------

sway/sway.5.txt

@@ -16,7 +16,8 @@ on startup.  These commands usually consist of setting your preferences and
 setting key bindings. An example config is likely present in /etc/sway/config
 for you to check out.
 
-Some of the commands can also or only be sent at runtime with **sway-msg**(1).
+These commands can be executed in your config file, via **sway-msg**(1), or via
+the bindsym command.
 
 Commands
 --------
@@ -26,13 +27,14 @@ The following commands may only be used in the configuration file.
 **bar** <block of commands>::
 	Append _{_ to this command, the following lines will be commands that
 	configure **swaybar**, and _}_ on its own line to close the block.
+	+
+	See **sway-bar**(5) for details.
 
-**bindsym** <key combo> <command>::
-	Binds _key combo_ to execute _command_ when pressed. You may use XKB key
-	names here (**xev**(1) is a good tool for discovering them). An example
-	bindsym command would be _bindsym Mod1+Shift+f exec firefox_, which would
-	execute Firefox if the alt, shift, and F keys are pressed together. Any
-	valid sway command is eligible to be bound to a key combo.
+**input** <input device> <block of commands>::
+	Append _{_ to this command, the following lines will be commands to configure
+	the named input device, and _}_ on its own line will close the block.
+	+
+	See **sway-input**(5) for details.
 
 **set** <name> <value>::
 	Creates a substitution for _value_ that can be used with $_name_ in other
@@ -107,6 +109,16 @@ They are expected to be used with **bindsym** or at runtime through **swaymsg**(
 The following commands may be used either in the configuration file
 or triggered at runtime.
 
+**bindsym** <key combo> <command>::
+	Binds _key combo_ to execute _command_ when pressed. You may use XKB key
+	names here (**xev**(1) is a good tool for discovering them). An example
+	bindsym command would be _bindsym Mod1+Shift+f exec firefox_, which would
+	execute Firefox if the alt, shift, and F keys are pressed together. Any
+	valid sway command is eligible to be bound to a key combo.
+	+
+	**bindcode** <code> <command> is also available for binding with key codes
+	instead of key names.
+
 **debuglog** <on|off|toggle>::
 	Enables, disables or toggles logging for debug. The toggle argument cannot
 	be used in the configuration file.