Replaces arrange_windows() with arrange_root(), arrange_output(), arrange_workspace() and arrange_children_of(). Also makes fullscreen views save and restore their dimensions, which allows it to preserve any custom resize and is also a requirement for floating views once they are implemented.master
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				| @ -0,0 +1,20 @@ | ||||
| #ifndef _SWAY_ARRANGE_H | ||||
| #define _SWAY_ARRANGE_H | ||||
| 
 | ||||
| struct sway_container; | ||||
| 
 | ||||
| void arrange_windows(struct sway_container *container); | ||||
| 
 | ||||
| // Determine the root container's geometry, then iterate to everything below
 | ||||
| void arrange_root(void); | ||||
| 
 | ||||
| // Determine the output's geometry, then iterate to everything below
 | ||||
| void arrange_output(struct sway_container *output); | ||||
| 
 | ||||
| // Determine the workspace's geometry, then iterate to everything below
 | ||||
| void arrange_workspace(struct sway_container *workspace); | ||||
| 
 | ||||
| // Arrange layout for all the children of the given workspace/container
 | ||||
| void arrange_children_of(struct sway_container *parent); | ||||
| 
 | ||||
| #endif | ||||
| @ -0,0 +1,239 @@ | ||||
| #define _POSIX_C_SOURCE 200809L | ||||
| #include <ctype.h> | ||||
| #include <stdbool.h> | ||||
| #include <stdlib.h> | ||||
| #include <string.h> | ||||
| #include <wlr/types/wlr_output.h> | ||||
| #include <wlr/types/wlr_output_layout.h> | ||||
| #include "sway/debug.h" | ||||
| #include "sway/tree/arrange.h" | ||||
| #include "sway/tree/container.h" | ||||
| #include "sway/tree/layout.h" | ||||
| #include "sway/output.h" | ||||
| #include "sway/tree/workspace.h" | ||||
| #include "sway/tree/view.h" | ||||
| #include "list.h" | ||||
| #include "log.h" | ||||
| 
 | ||||
| struct sway_container root_container; | ||||
| 
 | ||||
| void arrange_windows(struct sway_container *container) { | ||||
| 	switch (container->type) { | ||||
| 	case C_ROOT: | ||||
| 		arrange_root(); | ||||
| 		break; | ||||
| 	case C_OUTPUT: | ||||
| 		arrange_output(container); | ||||
| 		break; | ||||
| 	case C_WORKSPACE: | ||||
| 		arrange_workspace(container); | ||||
| 		break; | ||||
| 	case C_CONTAINER: | ||||
| 		arrange_children_of(container); | ||||
| 		break; | ||||
| 	case C_VIEW: | ||||
| 		// ignore
 | ||||
| 		break; | ||||
| 	case C_TYPES: | ||||
| 		sway_assert( | ||||
| 				false, "Called arrange_windows() with container type C_TYPES"); | ||||
| 		break; | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| void arrange_root() { | ||||
| 	if (config->reloading) { | ||||
| 		return; | ||||
| 	} | ||||
| 	struct wlr_output_layout *output_layout = | ||||
| 		root_container.sway_root->output_layout; | ||||
| 	const struct wlr_box *layout_box = | ||||
| 		wlr_output_layout_get_box(output_layout, NULL); | ||||
| 	root_container.x = layout_box->x; | ||||
| 	root_container.y = layout_box->y; | ||||
| 	root_container.width = layout_box->width; | ||||
| 	root_container.height = layout_box->height; | ||||
| 	for (int i = 0; i < root_container.children->length; ++i) { | ||||
| 		struct sway_container *output = root_container.children->items[i]; | ||||
| 		arrange_output(output); | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| void arrange_output(struct sway_container *output) { | ||||
| 	if (config->reloading) { | ||||
| 		return; | ||||
| 	} | ||||
| 	if (!sway_assert(output->type == C_OUTPUT, | ||||
| 			"called arrange_output() on non-output container")) { | ||||
| 		return; | ||||
| 	} | ||||
| 	const struct wlr_box *output_box = wlr_output_layout_get_box( | ||||
| 			root_container.sway_root->output_layout, | ||||
| 			output->sway_output->wlr_output); | ||||
| 	output->x = output_box->x; | ||||
| 	output->y = output_box->y; | ||||
| 	output->width = output_box->width; | ||||
| 	output->height = output_box->height; | ||||
| 	wlr_log(L_DEBUG, "Arranging output '%s' at %f,%f", | ||||
| 			output->name, output->x, output->y); | ||||
| 	for (int i = 0; i < output->children->length; ++i) { | ||||
| 		struct sway_container *workspace = output->children->items[i]; | ||||
| 		arrange_workspace(workspace); | ||||
| 	} | ||||
| 	container_damage_whole(output); | ||||
| } | ||||
| 
 | ||||
| void arrange_workspace(struct sway_container *workspace) { | ||||
| 	if (config->reloading) { | ||||
| 		return; | ||||
| 	} | ||||
| 	if (!sway_assert(workspace->type == C_WORKSPACE, | ||||
| 			"called arrange_workspace() on non-workspace container")) { | ||||
| 		return; | ||||
| 	} | ||||
| 	struct sway_container *output = workspace->parent; | ||||
| 	struct wlr_box *area = &output->sway_output->usable_area; | ||||
| 	wlr_log(L_DEBUG, "Usable area for ws: %dx%d@%d,%d", | ||||
| 			area->width, area->height, area->x, area->y); | ||||
| 	workspace->width = area->width; | ||||
| 	workspace->height = area->height; | ||||
| 	workspace->x = area->x; | ||||
| 	workspace->y = area->y; | ||||
| 	wlr_log(L_DEBUG, "Arranging workspace '%s' at %f, %f", | ||||
| 			workspace->name, workspace->x, workspace->y); | ||||
| 	arrange_children_of(workspace); | ||||
| 	container_damage_whole(workspace); | ||||
| } | ||||
| 
 | ||||
| static void apply_horiz_layout(struct sway_container *parent) { | ||||
| 	size_t num_children = parent->children->length; | ||||
| 	if (!num_children) { | ||||
| 		return; | ||||
| 	} | ||||
| 	// Calculate total width of children
 | ||||
| 	double total_width = 0; | ||||
| 	for (size_t i = 0; i < num_children; ++i) { | ||||
| 		struct sway_container *child = parent->children->items[i]; | ||||
| 		if (child->width <= 0) { | ||||
| 			if (num_children > 1) { | ||||
| 				child->width = parent->width / (num_children - 1); | ||||
| 			} else { | ||||
| 				child->width = parent->width; | ||||
| 			} | ||||
| 		} | ||||
| 		total_width += child->width; | ||||
| 	} | ||||
| 	double scale = parent->width / total_width; | ||||
| 
 | ||||
| 	// Resize windows
 | ||||
| 	wlr_log(L_DEBUG, "Arranging %p horizontally", parent); | ||||
| 	double child_x = parent->x; | ||||
| 	struct sway_container *child; | ||||
| 	for (size_t i = 0; i < num_children; ++i) { | ||||
| 		child = parent->children->items[i]; | ||||
| 		wlr_log(L_DEBUG, | ||||
| 				"Calculating arrangement for %p:%d (will scale %f by %f)", | ||||
| 				child, child->type, child->width, scale); | ||||
| 		child->x = child_x; | ||||
| 		child->y = parent->y; | ||||
| 		child->width = floor(child->width * scale); | ||||
| 		child->height = parent->height; | ||||
| 		child_x += child->width; | ||||
| 	} | ||||
| 	// Make last child use remaining width of parent
 | ||||
| 	child->width = parent->x + parent->width - child->x; | ||||
| } | ||||
| 
 | ||||
| static void apply_vert_layout(struct sway_container *parent) { | ||||
| 	size_t num_children = parent->children->length; | ||||
| 	if (!num_children) { | ||||
| 		return; | ||||
| 	} | ||||
| 	// Calculate total height of children
 | ||||
| 	double total_height = 0; | ||||
| 	for (size_t i = 0; i < num_children; ++i) { | ||||
| 		struct sway_container *child = parent->children->items[i]; | ||||
| 		if (child->height <= 0) { | ||||
| 			if (num_children > 1) { | ||||
| 				child->height = parent->height / (num_children - 1); | ||||
| 			} else { | ||||
| 				child->height = parent->height; | ||||
| 			} | ||||
| 		} | ||||
| 		total_height += child->height; | ||||
| 	} | ||||
| 	double scale = parent->height / total_height; | ||||
| 
 | ||||
| 	// Resize
 | ||||
| 	wlr_log(L_DEBUG, "Arranging %p vertically", parent); | ||||
| 	double child_y = parent->y; | ||||
| 	struct sway_container *child; | ||||
| 	for (size_t i = 0; i < num_children; ++i) { | ||||
| 		child = parent->children->items[i]; | ||||
| 		wlr_log(L_DEBUG, | ||||
| 				"Calculating arrangement for %p:%d (will scale %f by %f)", | ||||
| 				child, child->type, child->height, scale); | ||||
| 		child->x = parent->x; | ||||
| 		child->y = child_y; | ||||
| 		child->width = parent->width; | ||||
| 		child->height = floor(child->height * scale); | ||||
| 		child_y += child->height; | ||||
| 	} | ||||
| 	// Make last child use remaining height of parent
 | ||||
| 	child->height = parent->y + parent->height - child->y; | ||||
| } | ||||
| 
 | ||||
| void arrange_children_of(struct sway_container *parent) { | ||||
| 	if (config->reloading) { | ||||
| 		return; | ||||
| 	} | ||||
| 	if (!sway_assert(parent->type == C_WORKSPACE || parent->type == C_CONTAINER, | ||||
| 			"container is a %s", container_type_to_str(parent->type))) { | ||||
| 		return; | ||||
| 	} | ||||
| 
 | ||||
| 	struct sway_container *workspace = parent; | ||||
| 	if (workspace->type != C_WORKSPACE) { | ||||
| 		workspace = container_parent(workspace, C_WORKSPACE); | ||||
| 	} | ||||
| 	if (workspace->sway_workspace->fullscreen) { | ||||
| 		// Just arrange the fullscreen view and jump out
 | ||||
| 		struct sway_container *view = | ||||
| 			workspace->sway_workspace->fullscreen->swayc; | ||||
| 		view_configure(view->sway_view, 0, 0, | ||||
| 				workspace->parent->width, workspace->parent->height); | ||||
| 		view->width = workspace->parent->width; | ||||
| 		view->height = workspace->parent->height; | ||||
| 		return; | ||||
| 	} | ||||
| 
 | ||||
| 	wlr_log(L_DEBUG, "Arranging layout for %p %s %fx%f+%f,%f", parent, | ||||
| 		parent->name, parent->width, parent->height, parent->x, parent->y); | ||||
| 
 | ||||
| 	// Calculate x, y, width and height of children
 | ||||
| 	switch (parent->layout) { | ||||
| 	case L_HORIZ: | ||||
| 		apply_horiz_layout(parent); | ||||
| 		break; | ||||
| 	case L_VERT: | ||||
| 		apply_vert_layout(parent); | ||||
| 		break; | ||||
| 	default: | ||||
| 		wlr_log(L_DEBUG, "TODO: arrange layout type %d", parent->layout); | ||||
| 		apply_horiz_layout(parent); | ||||
| 		break; | ||||
| 	} | ||||
| 
 | ||||
| 	// Apply x, y, width and height to children and recurse if needed
 | ||||
| 	for (int i = 0; i < parent->children->length; ++i) { | ||||
| 		struct sway_container *child = parent->children->items[i]; | ||||
| 		if (child->type == C_VIEW) { | ||||
| 			view_configure(child->sway_view, child->x, child->y, | ||||
| 					child->width, child->height); | ||||
| 		} else { | ||||
| 			arrange_children_of(child); | ||||
| 		} | ||||
| 	} | ||||
| 	container_damage_whole(parent); | ||||
| 	update_debug_tree(); | ||||
| } | ||||
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