Merge pull request #204 from sce/misc_stuff

Misc stuff

8 files changed, 171 insertions, 69 deletions

diff --git a/include/log.h b/include/log.h
index f8deaf26..806725a6 100644
--- a/include/log.h
+++ b/include/log.h
@@ -23,4 +23,6 @@ bool _sway_assert(bool condition, const char* format, ...) __attribute__((format
 void error_handler(int sig);
 
 void layout_log(const swayc_t *c, int depth);
+const char *swayc_type_string(enum swayc_types type);
+void swayc_log(log_importance_t verbosity, swayc_t *cont, const char* format, ...) __attribute__((format(printf,3,4)));
 #endif
diff --git a/include/output.h b/include/output.h
new file mode 100644
index 00000000..10ff0596
--- /dev/null
+++ b/include/output.h
@@ -0,0 +1,10 @@
+#ifndef _SWAY_OUTPUT_H
+#define _SWAY_OUTPUT_H
+
+#include "container.h"
+#include "focus.h"
+
+swayc_t *output_by_name(const char* name);
+swayc_t *swayc_adjacent_output(swayc_t *output, enum movement_direction dir);
+
+#endif
diff --git a/sway/commands.c b/sway/commands.c
index 8c45dabe..0102fc5a 100644
--- a/sway/commands.c
+++ b/sway/commands.c
@@ -494,6 +494,8 @@ static struct cmd_results *cmd_move(int argc, char **argv) {
 	if ((error = checkarg(argc, "move", EXPECTED_AT_LEAST, 1))) {
 		return error;
 	}
+	const char* expected_syntax = "Expected 'move <left|right|up|down>' or "
+		"'move <container|window> to workspace <name>'";
 	swayc_t *view = get_focused_container(&root_container);
 
 	if (strcasecmp(argv[0], "left") == 0) {
@@ -505,31 +507,33 @@ static struct cmd_results *cmd_move(int argc, char **argv) {
 	} else if (strcasecmp(argv[0], "down") == 0) {
 		move_container(view, MOVE_DOWN);
 	} else if (strcasecmp(argv[0], "container") == 0 || strcasecmp(argv[0], "window") == 0) {
-		// "move container to workspace x"
-		if ((error = checkarg(argc, "move container/window", EXPECTED_EQUAL_TO, 4))) {
+		// "move container ...
+		if ((error = checkarg(argc, "move container/window", EXPECTED_AT_LEAST, 4))) {
 			return error;
-		} else if ( strcasecmp(argv[1], "to") != 0 || strcasecmp(argv[2], "workspace") != 0) {
-			return cmd_results_new(CMD_INVALID, "move", "Expected 'move %s to workspace <name>'", argv[0]);
-		}
-
-		if (view->type != C_CONTAINER && view->type != C_VIEW) {
-			return cmd_results_new(CMD_FAILURE, "move", "Can only move containers and views.");
-		}
+		} else if ( strcasecmp(argv[1], "to") == 0 && strcasecmp(argv[2], "workspace") == 0) {
+			// move container to workspace x
+			if (view->type != C_CONTAINER && view->type != C_VIEW) {
+				return cmd_results_new(CMD_FAILURE, "move", "Can only move containers and views.");
+			}
 
-		const char *ws_name = argv[3];
-		if (argc == 5) {
-			// move "container to workspace number x"
-			ws_name = argv[4];
-		}
+			const char *ws_name = argv[3];
+			if (argc == 5) {
+				// move "container to workspace number x"
+				ws_name = argv[4];
+			}
 
-		swayc_t *ws = workspace_by_name(ws_name);
-		if (ws == NULL) {
-			ws = workspace_create(ws_name);
+			swayc_t *ws = workspace_by_name(ws_name);
+			if (ws == NULL) {
+				ws = workspace_create(ws_name);
+			}
+			move_container_to(view, get_focused_container(ws));
+		} else {
+			return cmd_results_new(CMD_INVALID, "move", expected_syntax);
 		}
-		move_container_to(view, get_focused_container(ws));
 	} else if (strcasecmp(argv[0], "scratchpad") == 0) {
+		// move scratchpad ...
 		if (view->type != C_CONTAINER && view->type != C_VIEW) {
-			return cmd_results_new(CMD_FAILURE, "move", "Can only move containers and views.");
+			return cmd_results_new(CMD_FAILURE, "move scratchpad", "Can only move containers and views.");
 		}
 		swayc_t *view = get_focused_container(&root_container);
 		int i;
@@ -554,8 +558,7 @@ static struct cmd_results *cmd_move(int argc, char **argv) {
 		}
 		set_focused_container(focused);
 	} else {
-		return cmd_results_new(CMD_INVALID, "move",
-			"Expected 'move <left|right|up|down>' or 'move <container|window> to workspace <name>'");
+		return cmd_results_new(CMD_INVALID, "move", expected_syntax);
 	}
 	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
 }
diff --git a/sway/focus.c b/sway/focus.c
index 0c1f8c9e..1aa7579b 100644
--- a/sway/focus.c
+++ b/sway/focus.c
@@ -76,7 +76,7 @@ bool set_focused_container(swayc_t *c) {
 	if (locked_container_focus || !c) {
 		return false;
 	}
-	sway_log(L_DEBUG, "Setting focus to %p:%ld", c, c->handle);
+	swayc_log(L_DEBUG, c, "Setting focus to %p:%ld", c, c->handle);
 
 	// Get workspace for c, get that workspaces current focused container.
 	swayc_t *workspace = swayc_active_workspace_for(c);
diff --git a/sway/handlers.c b/sway/handlers.c
index c0b775db..c777e692 100644
--- a/sway/handlers.c
+++ b/sway/handlers.c
@@ -13,6 +13,7 @@
 #include "stringop.h"
 #include "workspace.h"
 #include "container.h"
+#include "output.h"
 #include "focus.h"
 #include "input_state.h"
 #include "resize.h"
@@ -364,62 +365,30 @@ static bool handle_pointer_motion(wlc_handle handle, uint32_t time, const struct
 	// don't do the switch if the pointer is in a mode.
 	if (config->seamless_mouse && !pointer_state.mode &&
 			!pointer_state.left.held && !pointer_state.right.held && !pointer_state.scroll.held) {
-		swayc_t *output = swayc_active_output();
 
-		// TODO: This implementation is naïve: We assume all outputs are
-		// perfectly aligned (ie. only a single output per edge which covers
-		// the whole edge).
+		swayc_t *output = swayc_active_output(), *adjacent = NULL;
 		if (origin->x == 0) { // Left edge
-			for(int i = 0; i < root_container.children->length; ++i) {
-				swayc_t *c = root_container.children->items[i];
-				if (c == output || c->type != C_OUTPUT) {
-					continue;
-				}
-				if (c->y == output->y && c->x + c->width == output->x) {
-					sway_log(L_DEBUG, "%s is right of %s", output->name, c->name);
-					if (workspace_switch(c)) {
-						new_origin.x = c->width;
-					}
+			if ((adjacent = swayc_adjacent_output(output, MOVE_LEFT))) {
+				if (workspace_switch(adjacent)) {
+					new_origin.x = adjacent->width;
 				}
 			}
 		} else if ((double)origin->x == output->width) { // Right edge
-			for(int i = 0; i < root_container.children->length; ++i) {
-				swayc_t *c = root_container.children->items[i];
-				if (c == output || c->type != C_OUTPUT) {
-					continue;
-				}
-				if (c->y == output->y && output->x + output->width == c->x) {
-					sway_log(L_DEBUG, "%s is left of %s", output->name, c->name);
-					if (workspace_switch(c)) {
-						new_origin.x = 0;
-					}
+			if ((adjacent = swayc_adjacent_output(output, MOVE_RIGHT))) {
+				if (workspace_switch(adjacent)) {
+					new_origin.x = 0;
 				}
 			}
-		}
-		if (origin->y == 0) { // Top edge
-			for(int i = 0; i < root_container.children->length; ++i) {
-				swayc_t *c = root_container.children->items[i];
-				if (c == output || c->type != C_OUTPUT) {
-					continue;
-				}
-				if (output->x == c->x && c->y + c->height == output->y) {
-					sway_log(L_DEBUG, "%s is below %s", output->name, c->name);
-					if (workspace_switch(c)) {
-						new_origin.y = c->height;
-					}
+		} else if (origin->y == 0) { // Top edge
+			if ((adjacent = swayc_adjacent_output(output, MOVE_UP))) {
+				if (workspace_switch(adjacent)) {
+					new_origin.y = adjacent->height;
 				}
 			}
 		} else if ((double)origin->y == output->height) { // Bottom edge
-			for(int i = 0; i < root_container.children->length; ++i) {
-				swayc_t *c = root_container.children->items[i];
-				if (c == output || c->type != C_OUTPUT) {
-					continue;
-				}
-				if (output->x == c->x && output->y + output->height == c->y) {
-					sway_log(L_DEBUG, "%s is above %s", output->name, c->name);
-					if (workspace_switch(c)) {
-						new_origin.y = 0;
-					}
+			if ((adjacent = swayc_adjacent_output(output, MOVE_DOWN))) {
+				if (workspace_switch(adjacent)) {
+					new_origin.y = 0;
 				}
 			}
 		}
diff --git a/sway/layout.c b/sway/layout.c
index 3cd873d6..6388a9b2 100644
--- a/sway/layout.c
+++ b/sway/layout.c
@@ -349,7 +349,7 @@ void update_geometry(swayc_t *container) {
 static void arrange_windows_r(swayc_t *container, double width, double height) {
 	int i;
 	if (width == -1 || height == -1) {
-		sway_log(L_DEBUG, "Arranging layout for %p", container);
+		swayc_log(L_DEBUG, container, "Arranging layout for %p", container);
 		width = container->width;
 		height = container->height;
 	}
diff --git a/sway/log.c b/sway/log.c
index a206d971..62be73e5 100644
--- a/sway/log.c
+++ b/sway/log.c
@@ -187,4 +187,31 @@ void layout_log(const swayc_t *c, int depth) {
 		}
 	}
 }
+
+const char *swayc_type_string(enum swayc_types type) {
+	return type == C_ROOT ? "ROOT" :
+		type == C_OUTPUT ? "OUTPUT" :
+		type == C_WORKSPACE ? "WORKSPACE" :
+		type == C_CONTAINER ? "CONTAINER" :
+		type == C_VIEW   ? "VIEW" :
+		"UNKNOWN";
+}
+
+// Like sway_log, but also appends some info about given container to log output.
+void swayc_log(log_importance_t verbosity, swayc_t *cont, const char* format, ...) {
+	sway_assert(cont, "swayc_log: no container ...");
+	va_list args;
+	va_start(args, format);
+	char *txt = malloc(128);
+	vsprintf(txt, format, args);
+	va_end(args);
+
+	char *debug_txt = malloc(32);
+	snprintf(debug_txt, 32, "%s '%s'", swayc_type_string(cont->type), cont->name);
+
+	sway_log(verbosity, "%s (%s)", txt, debug_txt);
+	free(txt);
+	free(debug_txt);
+}
+
 /* XXX:DEBUG:XXX */
diff --git a/sway/output.c b/sway/output.c
new file mode 100644
index 00000000..5044b7aa
--- /dev/null
+++ b/sway/output.c
@@ -0,0 +1,91 @@
+#include <strings.h>
+#include "output.h"
+#include "log.h"
+
+swayc_t *output_by_name(const char* name) {
+	if (strcasecmp(name, "left") == 0) {
+		return swayc_adjacent_output(NULL, MOVE_LEFT);
+	} else if (strcasecmp(name, "right") == 0) {
+		return swayc_adjacent_output(NULL, MOVE_RIGHT);
+	} else if (strcasecmp(name, "up") == 0) {
+		return swayc_adjacent_output(NULL, MOVE_UP);
+	} else if (strcasecmp(name, "down") == 0) {
+		return swayc_adjacent_output(NULL, MOVE_DOWN);
+	} else {
+		for(int i = 0; i < root_container.children->length; ++i) {
+			swayc_t *c = root_container.children->items[i];
+			if (c->type == C_OUTPUT && strcasecmp(c->name, name) == 0) {
+				return c;
+			}
+		}
+	}
+	return NULL;
+}
+
+swayc_t *swayc_adjacent_output(swayc_t *output, enum movement_direction dir) {
+	// TODO: This implementation is naïve: We assume all outputs are
+	// perfectly aligned (ie. only a single output per edge which covers
+	// the whole edge).
+	if (!output) {
+		output = swayc_active_output();
+	}
+	swayc_t *adjacent = NULL;
+	switch(dir) {
+		case MOVE_LEFT:
+			for(int i = 0; i < root_container.children->length; ++i) {
+				swayc_t *c = root_container.children->items[i];
+				if (c == output || c->type != C_OUTPUT) {
+					continue;
+				}
+				if (c->y == output->y && c->x + c->width == output->x) {
+					sway_log(L_DEBUG, "%s is left of current output %s", c->name, output->name);
+					adjacent = c;
+					break;
+				}
+			}
+			break;
+		case MOVE_RIGHT:
+			for(int i = 0; i < root_container.children->length; ++i) {
+				swayc_t *c = root_container.children->items[i];
+				if (c == output || c->type != C_OUTPUT) {
+					continue;
+				}
+				if (c->y == output->y && output->x + output->width == c->x) {
+					sway_log(L_DEBUG, "%s is right of current output %s", c->name, output->name);
+					adjacent = c;
+					break;
+				}
+			}
+			break;
+		case MOVE_UP:
+			for(int i = 0; i < root_container.children->length; ++i) {
+				swayc_t *c = root_container.children->items[i];
+				if (c == output || c->type != C_OUTPUT) {
+					continue;
+				}
+				if (output->x == c->x && c->y + c->height == output->y) {
+					sway_log(L_DEBUG, "%s is above current output %s", c->name, output->name);
+					adjacent = c;
+					break;
+				}
+			}
+			break;
+		case MOVE_DOWN:
+			for(int i = 0; i < root_container.children->length; ++i) {
+				swayc_t *c = root_container.children->items[i];
+				if (c == output || c->type != C_OUTPUT) {
+					continue;
+				}
+				if (output->x == c->x && output->y + output->height == c->y) {
+					sway_log(L_DEBUG, "%s is below current output %s", c->name, output->name);
+					adjacent = c;
+					break;
+				}
+			}
+			break;
+		default:
+			sway_abort("Function called with invalid argument.");
+			break;
+	}
+	return adjacent;
+}