Merge pull request #879 from zandrmartin/commands-refactor

refactor commands.c

1 files changed, 165 insertions, 0 deletions

diff --git a/sway/commands/gaps.c b/sway/commands/gaps.c
new file mode 100644
index 00000000..fe06add4
--- /dev/null
+++ b/sway/commands/gaps.c
@@ -0,0 +1,165 @@
+#include <ctype.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include "sway/commands.h"
+#include "sway/container.h"
+#include "sway/focus.h"
+#include "sway/layout.h"
+
+struct cmd_results *cmd_gaps(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "gaps", EXPECTED_AT_LEAST, 1))) {
+		return error;
+	}
+	const char *expected_syntax =
+		"Expected 'gaps edge_gaps <on|off|toggle>' or "
+		"'gaps <inner|outer> <current|all|workspace> <set|plus|minus n>'";
+	const char *amount_str = argv[0];
+	// gaps amount
+	if (argc >= 1 && isdigit(*amount_str)) {
+		int amount = (int)strtol(amount_str, NULL, 10);
+		if (errno == ERANGE) {
+			errno = 0;
+			return cmd_results_new(CMD_INVALID, "gaps", "Number is out out of range.");
+		}
+		config->gaps_inner = config->gaps_outer = amount;
+		arrange_windows(&root_container, -1, -1);
+		return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+	}
+	// gaps inner|outer n
+	else if (argc >= 2 && isdigit((amount_str = argv[1])[0])) {
+		int amount = (int)strtol(amount_str, NULL, 10);
+		if (errno == ERANGE) {
+			errno = 0;
+			return cmd_results_new(CMD_INVALID, "gaps", "Number is out out of range.");
+		}
+		const char *target_str = argv[0];
+		if (strcasecmp(target_str, "inner") == 0) {
+			config->gaps_inner = amount;
+		} else if (strcasecmp(target_str, "outer") == 0) {
+			config->gaps_outer = amount;
+		}
+		arrange_windows(&root_container, -1, -1);
+		return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+	} else if (argc == 2 && strcasecmp(argv[0], "edge_gaps") == 0) {
+		// gaps edge_gaps <on|off|toggle>
+		if (strcasecmp(argv[1], "toggle") == 0) {
+			if (config->reading) {
+				return cmd_results_new(CMD_FAILURE, "gaps edge_gaps toggle",
+					"Can't be used in config file.");
+			}
+			config->edge_gaps = !config->edge_gaps;
+		} else {
+			config->edge_gaps =
+				(strcasecmp(argv[1], "yes") == 0 || strcasecmp(argv[1], "on") == 0);
+		}
+		arrange_windows(&root_container, -1, -1);
+		return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+	}
+	// gaps inner|outer current|all set|plus|minus n
+	if (argc < 4 || config->reading) {
+		return cmd_results_new(CMD_INVALID, "gaps", expected_syntax);
+	}
+	// gaps inner|outer ...
+	const char *inout_str = argv[0];
+	enum {INNER, OUTER} inout;
+	if (strcasecmp(inout_str, "inner") == 0) {
+		inout = INNER;
+	} else if (strcasecmp(inout_str, "outer") == 0) {
+		inout = OUTER;
+	} else {
+		return cmd_results_new(CMD_INVALID, "gaps", expected_syntax);
+	}
+
+	// gaps ... current|all ...
+	const char *target_str = argv[1];
+	enum {CURRENT, WORKSPACE, ALL} target;
+	if (strcasecmp(target_str, "current") == 0) {
+		target = CURRENT;
+	} else if (strcasecmp(target_str, "all") == 0) {
+		target = ALL;
+	} else if (strcasecmp(target_str, "workspace") == 0) {
+		if (inout == OUTER) {
+			target = CURRENT;
+		} else {
+			// Set gap for views in workspace
+			target = WORKSPACE;
+		}
+	} else {
+		return cmd_results_new(CMD_INVALID, "gaps", expected_syntax);
+	}
+
+	// gaps ... n
+	amount_str = argv[3];
+	int amount = (int)strtol(amount_str, NULL, 10);
+	if (errno == ERANGE) {
+		errno = 0;
+		return cmd_results_new(CMD_INVALID, "gaps", "Number is out out of range.");
+	}
+
+	// gaps ... set|plus|minus ...
+	const char *method_str = argv[2];
+	enum {SET, ADD} method;
+	if (strcasecmp(method_str, "set") == 0) {
+		method = SET;
+	} else if (strcasecmp(method_str, "plus") == 0) {
+		method = ADD;
+	} else if (strcasecmp(method_str, "minus") == 0) {
+		method = ADD;
+		amount *= -1;
+	} else {
+		return cmd_results_new(CMD_INVALID, "gaps", expected_syntax);
+	}
+
+	if (target == CURRENT) {
+		swayc_t *cont;
+		if (inout == OUTER) {
+			if ((cont = swayc_active_workspace()) == NULL) {
+				return cmd_results_new(CMD_FAILURE, "gaps", "There's no active workspace.");
+			}
+		} else {
+			if ((cont = get_focused_view(&root_container))->type != C_VIEW) {
+				return cmd_results_new(CMD_FAILURE, "gaps", "Currently focused item is not a view.");
+			}
+		}
+		cont->gaps = swayc_gap(cont);
+		if (method == SET) {
+			cont->gaps = amount;
+		} else if ((cont->gaps += amount) < 0) {
+			cont->gaps = 0;
+		}
+		arrange_windows(cont->parent, -1, -1);
+	} else if (inout == OUTER) {
+		//resize all workspace.
+		int i,j;
+		for (i = 0; i < root_container.children->length; ++i) {
+			swayc_t *op = root_container.children->items[i];
+			for (j = 0; j < op->children->length; ++j) {
+				swayc_t *ws = op->children->items[j];
+				if (method == SET) {
+					ws->gaps = amount;
+				} else if ((ws->gaps += amount) < 0) {
+					ws->gaps = 0;
+				}
+			}
+		}
+		arrange_windows(&root_container, -1, -1);
+	} else {
+		// Resize gaps for all views in workspace
+		swayc_t *top;
+		if (target == WORKSPACE) {
+			if ((top = swayc_active_workspace()) == NULL) {
+				return cmd_results_new(CMD_FAILURE, "gaps", "There's currently no active workspace.");
+			}
+		} else {
+			top = &root_container;
+		}
+		int top_gap = top->gaps;
+		container_map(top, method == SET ? set_gaps : add_gaps, &amount);
+		top->gaps = top_gap;
+		arrange_windows(top, -1, -1);
+	}
+
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}