Implement no_focus

Ref #2

8 files changed, 72 insertions, 3 deletions

diff --git a/include/sway/commands.h b/include/sway/commands.h
index 91f2ae01..078652e7 100644
--- a/include/sway/commands.h
+++ b/include/sway/commands.h
@@ -135,6 +135,7 @@ sway_cmd cmd_mouse_warping;
 sway_cmd cmd_move;
 sway_cmd cmd_new_float;
 sway_cmd cmd_new_window;
+sway_cmd cmd_no_focus;
 sway_cmd cmd_orientation;
 sway_cmd cmd_output;
 sway_cmd cmd_permit;
diff --git a/include/sway/config.h b/include/sway/config.h
index 2de90434..35f8d5f7 100644
--- a/include/sway/config.h
+++ b/include/sway/config.h
@@ -250,6 +250,7 @@ struct sway_config {
         list_t *output_configs;
         list_t *input_configs;
         list_t *criteria;
+        list_t *no_focus;
         list_t *active_bar_modifiers;
         struct sway_mode *current_mode;
         struct bar_config *current_bar;
diff --git a/include/sway/criteria.h b/include/sway/criteria.h
index 022c48a8..c5ed9857 100644
--- a/include/sway/criteria.h
+++ b/include/sway/criteria.h
@@ -36,4 +36,7 @@ list_t *criteria_for(swayc_t *cont);
 // Returns a list of all containers that match the given list of tokens.
 list_t *container_for(list_t *tokens);
 
+// Returns true if any criteria in the given list matches this container
+bool criteria_any(swayc_t *cont, list_t *criteria);
+
 #endif
diff --git a/sway/commands.c b/sway/commands.c
index 4d7af301..01e5e6b5 100644
--- a/sway/commands.c
+++ b/sway/commands.c
@@ -198,6 +198,7 @@ static struct cmd_handler handlers[] = {
         { "move", cmd_move },
         { "new_float", cmd_new_float },
         { "new_window", cmd_new_window },
+        { "no_focus", cmd_no_focus },
         { "output", cmd_output },
         { "permit", cmd_permit },
         { "reject", cmd_reject },
diff --git a/sway/commands/no_focus.c b/sway/commands/no_focus.c
new file mode 100644
index 00000000..b3b88e5a
--- /dev/null
+++ b/sway/commands/no_focus.c
@@ -0,0 +1,41 @@
+#define _XOPEN_SOURCE 500
+#include <string.h>
+#include "sway/commands.h"
+#include "sway/criteria.h"
+#include "list.h"
+#include "log.h"
+#include "stringop.h"
+
+struct cmd_results *cmd_no_focus(int argc, char **argv) {
+        struct cmd_results *error = NULL;
+        if ((error = checkarg(argc, "no_focus", EXPECTED_EQUAL_TO, 1))) {
+                return error;
+        }
+        // add command to a criteria/command pair that is run against views when they appear.
+        char *criteria = argv[0];
+
+        struct criteria *crit = malloc(sizeof(struct criteria));
+        if (!crit) {
+                return cmd_results_new(CMD_FAILURE, "no_focus", "Unable to allocate criteria");
+        }
+        crit->crit_raw = strdup(criteria);
+        crit->tokens = create_list();
+        crit->cmdlist = NULL;
+        char *err_str = extract_crit_tokens(crit->tokens, crit->crit_raw);
+
+        if (err_str) {
+                error = cmd_results_new(CMD_INVALID, "no_focus", err_str);
+                free(err_str);
+                free_criteria(crit);
+        } else if (crit->tokens->length == 0) {
+                error = cmd_results_new(CMD_INVALID, "no_focus", "Found no name/value pairs in criteria");
+                free_criteria(crit);
+        } else if (list_seq_find(config->no_focus, criteria_cmp, crit) != -1) {
+                sway_log(L_DEBUG, "no_focus: Duplicate, skipping.");
+                free_criteria(crit);
+        } else {
+                sway_log(L_DEBUG, "no_focus: '%s' added", crit->crit_raw);
+                list_add(config->no_focus, crit);
+        }
+        return error ? error : cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
diff --git a/sway/config.c b/sway/config.c
index 0014b33a..19b1882f 100644
--- a/sway/config.c
+++ b/sway/config.c
@@ -249,6 +249,11 @@ void free_config(struct sway_config *config) {
         }
         list_free(config->criteria);
 
+        for (i = 0; config->no_focus && i < config->no_focus->length; ++i) {
+                free_criteria(config->no_focus->items[i]);
+        }
+        list_free(config->no_focus);
+
         for (i = 0; config->input_configs && i < config->input_configs->length; ++i) {
                 free_input_config(config->input_configs->items[i]);
         }
@@ -291,6 +296,7 @@ static void config_defaults(struct sway_config *config) {
         if (!(config->workspace_outputs = create_list())) goto cleanup;
         if (!(config->pid_workspaces = create_list())) goto cleanup;
         if (!(config->criteria = create_list())) goto cleanup;
+        if (!(config->no_focus = create_list())) goto cleanup;
         if (!(config->input_configs = create_list())) goto cleanup;
         if (!(config->output_configs = create_list())) goto cleanup;
 
diff --git a/sway/criteria.c b/sway/criteria.c
index ee6d4d1c..1ea8311e 100644
--- a/sway/criteria.c
+++ b/sway/criteria.c
@@ -359,6 +359,16 @@ void free_criteria(struct criteria *crit) {
         free(crit);
 }
 
+bool criteria_any(swayc_t *cont, list_t *criteria) {
+        for (int i = 0; i < criteria->length; i++) {
+                struct criteria *bc = criteria->items[i];
+                if (criteria_test(cont, bc->tokens)) {
+                        return true;
+                }
+        }
+        return false;
+}
+
 list_t *criteria_for(swayc_t *cont) {
         list_t *criteria = config->criteria, *matches = create_list();
         for (int i = 0; i < criteria->length; i++) {
diff --git a/sway/handlers.c b/sway/handlers.c
index a8de135f..5e031321 100644
--- a/sway/handlers.c
+++ b/sway/handlers.c
@@ -390,8 +390,10 @@ static bool handle_view_created(wlc_handle handle) {
                 }
         }
 
+        swayc_t *prev_focus = get_focused_container(&root_container);
+
         if (!focused || focused->type == C_OUTPUT) {
-                focused = get_focused_container(&root_container);
+                focused = prev_focus;
                 // Move focus from floating view
                 if (focused->is_floating) {
                         // To workspace if there are no children
@@ -458,7 +460,11 @@ static bool handle_view_created(wlc_handle handle) {
 
         if (newview) {
                 ipc_event_window(newview, "new");
-                set_focused_container(newview);
+                swayc_t *workspace = swayc_parent_by_type(newview, C_WORKSPACE);
+                if ((workspace && workspace->children->length == 1)
+                                || !criteria_any(newview, config->no_focus)) {
+                        set_focused_container(newview);
+                }
                 wlc_view_set_mask(handle, VISIBLE);
                 swayc_t *output = swayc_parent_by_type(newview, C_OUTPUT);
                 arrange_windows(output, -1, -1);
@@ -477,7 +483,7 @@ static bool handle_view_created(wlc_handle handle) {
                         // refocus in-between command lists
                         set_focused_container(newview);
                 }
-                swayc_t *workspace = swayc_parent_by_type(focused, C_WORKSPACE);
+                workspace = swayc_parent_by_type(focused, C_WORKSPACE);
                 if (workspace && workspace->fullscreen) {
                         set_focused_container(workspace->fullscreen);
                 }