Add "modifiers" node type
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parent
9ac5a0b957
commit
4922b7f304
2
Makefile
2
Makefile
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@ -12,7 +12,7 @@ CPPFLAGS += $(shell pkg-config --cflags $(DEPS))
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LDLIBS += $(shell pkg-config --libs $(DEPS))
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LDLIBS += $(shell pkg-config --libs $(DEPS))
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INTERP ?=
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INTERP ?=
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MAIN = main
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MAIN = main
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OBJS = main.o events.o processing.o graph.o config.o event_code_names.o hash_table.o module_registry.o event_predicate.o nodes/getchar.o nodes/print.o nodes/evdev.o nodes/tee.o nodes/router.o
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OBJS = main.o events.o processing.o graph.o config.o event_code_names.o hash_table.o module_registry.o event_predicate.o nodes/getchar.o nodes/print.o nodes/evdev.o nodes/tee.o nodes/router.o nodes/modifiers.o
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all: $(MAIN)
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all: $(MAIN)
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26
config.cfg
26
config.cfg
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@ -1,3 +1,7 @@
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constants = {
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my_modifier = 9;
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};
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enums = {
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enums = {
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namespaces: ["stdin", "clickpad"];
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namespaces: ["stdin", "clickpad"];
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};
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};
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@ -42,7 +46,21 @@ nodes = {
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select_key_events = {
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select_key_events = {
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type = "router";
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type = "router";
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options = {
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options = {
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predicates = ["key_event"];
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predicates = (
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"key_event",
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{
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type = "or";
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inverted = 1;
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args = ["key_event"];
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}
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);
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};
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};
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set_modifier = {
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type = "modifiers";
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options = {
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operation = "set";
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modifiers = ["my_modifier"];
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};
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};
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};
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};
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};
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};
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@ -55,7 +73,13 @@ channels = ({
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to: ("select_key_events", 1);
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to: ("select_key_events", 1);
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}, {
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}, {
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from: ("select_key_events", 0);
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from: ("select_key_events", 0);
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to: ("set_modifier", 0);
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}, {
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from: ("set_modifier", 0);
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to: ("print", 0);
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to: ("print", 0);
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}, {
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from: ("select_key_events", 1);
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to: ("print", 1);
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});
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});
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// vim: ft=libconfig
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// vim: ft=libconfig
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@ -0,0 +1,99 @@
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#include "../graph.h"
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#include "../module_registry.h"
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typedef struct {
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GraphNode as_GraphNode;
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ModifierSet modifiers;
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ModifierOperation operation;
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} ModifiersGraphNode;
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static bool
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handle_event(EventPositionBase * self, EventNode * event)
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{
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ModifiersGraphNode *node = DOWNCAST(ModifiersGraphNode, GraphNode, DOWNCAST(GraphNode, EventPositionBase, self));
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size_t count = node->as_GraphNode.outputs.length;
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if (!count) {
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event_destroy(event);
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return true;
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}
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modifier_set_operation_from(&event->data.modifiers, node->modifiers, node->operation);
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if (count > 1) {
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count = event_replicate(event, count - 1) + 1;
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}
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for (size_t i = 0; i < count; ++i) {
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event->position = &node->as_GraphNode.outputs.elements[i]->as_EventPositionBase;
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event = event->next;
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}
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return true;
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}
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static GraphNode *
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create(GraphNodeSpecification * spec, GraphNodeConfig * config, InitializationEnvironment * env)
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{
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(void) config;
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(void) env;
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ModifiersGraphNode * node = T_ALLOC(1, ModifiersGraphNode);
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if (!node) {
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return NULL;
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}
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const char *operation_name;
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config_setting_lookup_string(config->options, "operation", &operation_name);
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ModifierOperation op = modifier_operation_parse(operation_name);
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if (op < 0) {
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free(node);
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return NULL;
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}
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config_setting_t *modifiers_setting = config_setting_get_member(config->options, "modifiers");
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if (!modifiers_setting) {
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free(node);
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return NULL;
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}
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ModifierSet modifier_set = EMPTY_MODIFIER_SET;
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size_t length = config_setting_length(modifiers_setting);
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for (size_t i = 0; i < length; ++i) {
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long long mod = env_resolve_constant_or(env, config_setting_get_elem(modifiers_setting, i), -1);
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if (mod < 0 || mod > MODIFIER_MAX) {
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continue;
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}
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modifier_set_set(&modifier_set, mod);
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}
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*node = (ModifiersGraphNode) {
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.as_GraphNode = {
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.as_EventPositionBase = {
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.handle_event = &handle_event,
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.waiting_new_event = false,
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},
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.specification = spec,
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.inputs = EMPTY_GRAPH_CHANNEL_LIST,
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.outputs = EMPTY_GRAPH_CHANNEL_LIST,
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},
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.modifiers = modifier_set,
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.operation = op,
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};
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return &node->as_GraphNode;
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}
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static void destroy
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(GraphNodeSpecification * self, GraphNode * target)
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{
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(void) self;
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ModifiersGraphNode * node = DOWNCAST(ModifiersGraphNode, GraphNode, target);
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modifier_set_destruct(&node->modifiers);
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free(target);
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}
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GraphNodeSpecification nodespec_modifiers = (GraphNodeSpecification) {
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.create = &create,
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.destroy = &destroy,
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.register_io = NULL,
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.name = "modifiers",
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};
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MODULE_CONSTRUCTOR(init)
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{
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register_graph_node_specification(&nodespec_modifiers);
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}
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