From b692a6d31abf8ddda0ed2be78eaf73d465cb2faf Mon Sep 17 00:00:00 2001
From: Denis Doria <denisdoria@gmail.com>
Date: Thu, 2 Jun 2016 17:35:02 +0200
Subject: [PATCH] Initial implementation for floating_maximum_size

---
 sway/commands.c  | 36 ++++++++++++++++++++++++++++++++++++
 sway/config.c    |  4 ++--
 sway/container.c | 25 ++++++++++++++++++++-----
 sway/sway.5.txt  |  7 +++++++
 4 files changed, 65 insertions(+), 7 deletions(-)

diff --git a/sway/commands.c b/sway/commands.c
index d8f61242a..3befee133 100644
--- a/sway/commands.c
+++ b/sway/commands.c
@@ -58,6 +58,7 @@ static sway_cmd cmd_exec;
 static sway_cmd cmd_exec_always;
 static sway_cmd cmd_exit;
 static sway_cmd cmd_floating;
+static sway_cmd cmd_floating_maximum_size;
 static sway_cmd cmd_floating_minimum_size;
 static sway_cmd cmd_floating_mod;
 static sway_cmd cmd_floating_scroll;
@@ -674,6 +675,40 @@ static struct cmd_results *cmd_floating(int argc, char **argv) {
 	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
 }
 
+static struct cmd_results *cmd_floating_maximum_size(int argc, char **argv) {
+        struct cmd_results *error = NULL;
+        int32_t width;
+        int32_t height;
+        char *ptr;
+
+        if ((error = checkarg(argc, "floating_maximum_size", EXPECTED_EQUAL_TO, 3))) {
+                return error;
+        }
+        width = strtol(argv[0], &ptr, 10);
+        height = strtol(argv[2], &ptr, 10);
+
+        if (width < -1) {
+                sway_log(L_DEBUG, "floating_maximum_size invalid width value: '%s'", argv[0]);
+
+        } else {
+                config->floating_maximum_width = width;
+
+        }
+
+        if (height < -1) {
+                sway_log(L_DEBUG, "floating_maximum_size invalid height value: '%s'", argv[2]);
+        }
+        else {
+                config->floating_maximum_height = height;
+
+        }
+
+        sway_log(L_DEBUG, "New floating_maximum_size: '%d' x '%d'", config->floating_maximum_width,
+                config->floating_maximum_height);
+
+        return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
+
 static struct cmd_results *cmd_floating_minimum_size(int argc, char **argv) {
 	struct cmd_results *error = NULL;
 	int32_t width;
@@ -2468,6 +2503,7 @@ static struct cmd_handler handlers[] = {
 	{ "exec_always", cmd_exec_always },
 	{ "exit", cmd_exit },
 	{ "floating", cmd_floating },
+	{ "floating_maximum_size", cmd_floating_maximum_size },
 	{ "floating_minimum_size", cmd_floating_minimum_size },
 	{ "floating_modifier", cmd_floating_mod },
 	{ "floating_scroll", cmd_floating_scroll },
diff --git a/sway/config.c b/sway/config.c
index 95285eba6..151081235 100644
--- a/sway/config.c
+++ b/sway/config.c
@@ -173,8 +173,8 @@ static void config_defaults(struct sway_config *config) {
 	config->font_height = get_font_text_height(config->font);
 
 	// floating view
-	config->floating_maximum_width = -1;
-	config->floating_maximum_height = -1;
+	config->floating_maximum_width = 0;
+	config->floating_maximum_height = 0;
 	config->floating_minimum_width = 75;
 	config->floating_minimum_height = 50;
 
diff --git a/sway/container.c b/sway/container.c
index e00d2d7e2..159750647 100644
--- a/sway/container.c
+++ b/sway/container.c
@@ -329,6 +329,9 @@ swayc_t *new_floating_view(wlc_handle handle) {
 }
 
 void floating_view_sane_size(swayc_t *view) {
+	// floating_minimum is used as sane value.
+	// floating_maximum has priority in case of conflict
+	// TODO: implement total_outputs_dimensions()
 	if (config->floating_minimum_height != -1 &&
 		view->desired_height < config->floating_minimum_height) {
 		view->desired_height = config->floating_minimum_height;
@@ -338,14 +341,26 @@ void floating_view_sane_size(swayc_t *view) {
 		view->desired_width = config->floating_minimum_width;
 	}
 
-	if (config->floating_maximum_height != -1 &&
-		view->desired_height > config->floating_maximum_height) {
-		view->desired_height = config->floating_maximum_height;
-	}
-	if (config->floating_maximum_width != -1 &&
+	// if 0 do not resize, only enforce max value
+	if (config->floating_maximum_height == 0) {
+		// Missing total_outputs_dimensions() using swayc_active_workspace()
+		config->floating_maximum_height = swayc_active_workspace()->height;
+
+	} else if (config->floating_maximum_height != -1 &&
+                view->desired_height > config->floating_maximum_height) {
+                view->desired_height = config->floating_maximum_height;
+        }
+
+	// if 0 do not resize, only enforce max value
+	if (config->floating_maximum_width == 0) {
+		// Missing total_outputs_dimensions() using swayc_active_workspace()
+		config->floating_maximum_width = swayc_active_workspace()->width;
+
+	} else 	if (config->floating_maximum_width != -1 &&
 		view->desired_width > config->floating_maximum_width) {
 		view->desired_width = config->floating_maximum_width;
 	}
+
 	sway_log(L_DEBUG, "Sane values for view to %d x %d @ %.f, %.f", 
 		view->desired_width, view->desired_height, view->x, view->y);
 
diff --git a/sway/sway.5.txt b/sway/sway.5.txt
index 1afcf24f0..8faa5345f 100644
--- a/sway/sway.5.txt
+++ b/sway/sway.5.txt
@@ -65,6 +65,13 @@ They are expected to be used with **bindsym** or at runtime through **swaymsg**(
 **floating** <enable|disable|toggle>::
 	Make focused view floating, non-floating, or the opposite of what it is now.
 
+**floating_maximum_size** <width> x <height>::
+	Specifies the maximum dimensions of floating windows.
+	Uses the container dimensions as default.
+	-1 x -1 will remove any restriction on dimentions.
+	0 x 0 has the same behavior as not setting any value.
+	If in conflict this option has precedence over floating_minimum_size.
+
 **floating_minimum_size** <width> x <height>::
 	Specifies the minimum dimensions of floating windows.
 	Default parameters are 75 x 50.