swayfx/sway/container.c

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C
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#include <stdlib.h>
#include <stdbool.h>
#include <strings.h>
#include "config.h"
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#include "container.h"
#include "workspace.h"
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#include "focus.h"
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#include "layout.h"
#include "log.h"
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static swayc_t *new_swayc(enum swayc_types type) {
swayc_t *c = calloc(1, sizeof(swayc_t));
c->handle = -1;
c->layout = L_NONE;
c->type = type;
c->weight = 1;
if (type != C_VIEW) {
c->children = create_list();
}
return c;
}
static void free_swayc(swayc_t *c) {
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// TODO does not properly handle containers with children,
// TODO but functions that call this usually check for that
if (c->children) {
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if (c->children->length) {
int i;
for (i = 0; i < c->children->length; ++i) {
free_swayc(c->children->items[i]);
}
}
list_free(c->children);
}
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if (c->floating) {
if (c->floating->length) {
int i;
for (i = 0; i < c->floating->length; ++i) {
free_swayc(c->floating->items[i]);
}
}
list_free(c->floating);
}
if (c->parent) {
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remove_child(c);
}
if (c->name) {
free(c->name);
}
free(c);
}
/* New containers */
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static bool workspace_test(swayc_t *view, void *name) {
return strcasecmp(view->name, (char *)name);
}
swayc_t *new_output(wlc_handle handle) {
const struct wlc_size* size = wlc_output_get_resolution(handle);
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const char *name = wlc_output_get_name(handle);
sway_log(L_DEBUG, "Added output %lu:%s", handle, name);
swayc_t *output = new_swayc(C_OUTPUT);
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output->width = size->w;
output->height = size->h;
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output->handle = handle;
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output->name = name ? strdup(name) : NULL;
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output->gaps = config->gaps_outer;
add_child(&root_container, output);
// Create workspace
char *ws_name = NULL;
if (name) {
int i;
for (i = 0; i < config->workspace_outputs->length; ++i) {
struct workspace_output *wso = config->workspace_outputs->items[i];
if (strcasecmp(wso->output, name) == 0) {
sway_log(L_DEBUG, "Matched workspace to output: %s for %s", wso->workspace, wso->output);
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// Check if any other workspaces are using this name
if (find_container(&root_container, workspace_test, wso->workspace)) {
break;
}
ws_name = strdup(wso->workspace);
break;
}
}
}
if (!ws_name) {
ws_name = workspace_next_name();
}
// create and initilize default workspace
swayc_t *ws = new_workspace(output, ws_name);
ws->is_focused = true;
free(ws_name);
return output;
}
swayc_t *new_workspace(swayc_t *output, const char *name) {
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sway_log(L_DEBUG, "Added workspace %s for output %u", name, (unsigned int)output->handle);
swayc_t *workspace = new_swayc(C_WORKSPACE);
workspace->layout = L_HORIZ; // TODO: default layout
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workspace->x = output->x;
workspace->y = output->y;
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workspace->width = output->width;
workspace->height = output->height;
workspace->name = strdup(name);
workspace->visible = true;
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workspace->floating = create_list();
add_child(output, workspace);
return workspace;
}
swayc_t *new_container(swayc_t *child, enum swayc_layouts layout) {
swayc_t *cont = new_swayc(C_CONTAINER);
sway_log(L_DEBUG, "creating container %p around %p", cont, child);
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cont->layout = layout;
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cont->width = child->width;
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cont->height = child->height;
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cont->x = child->x;
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cont->y = child->y;
cont->visible = child->visible;
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/* Container inherits all of workspaces children, layout and whatnot */
if (child->type == C_WORKSPACE) {
swayc_t *workspace = child;
// reorder focus
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cont->focused = workspace->focused;
workspace->focused = cont;
// set all children focu to container
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int i;
for (i = 0; i < workspace->children->length; ++i) {
((swayc_t *)workspace->children->items[i])->parent = cont;
}
// Swap children
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list_t *tmp_list = workspace->children;
workspace->children = cont->children;
cont->children = tmp_list;
// add container to workspace chidren
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add_child(workspace, cont);
// give them proper layouts
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cont->layout = workspace->layout;
workspace->layout = layout;
} else { // Or is built around container
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swayc_t *parent = replace_child(child, cont);
if (parent) {
add_child(cont, child);
}
}
return cont;
}
swayc_t *new_view(swayc_t *sibling, wlc_handle handle) {
const char *title = wlc_view_get_title(handle);
swayc_t *view = new_swayc(C_VIEW);
sway_log(L_DEBUG, "Adding new view %lu:%s to container %p %d",
handle, title, sibling, sibling ? sibling->type : 0);
// Setup values
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view->handle = handle;
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view->name = title ? strdup(title) : NULL;
view->visible = true;
view->is_focused = true;
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view->gaps = config->gaps_inner;
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view->desired_width = -1;
view->desired_height = -1;
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view->is_floating = false;
if (sibling->type == C_WORKSPACE) {
// Case of focused workspace, just create as child of it
add_child(sibling, view);
} else {
// Regular case, create as sibling of current container
add_sibling(sibling, view);
}
return view;
}
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swayc_t *new_floating_view(wlc_handle handle) {
const char *title = wlc_view_get_title(handle);
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swayc_t *view = new_swayc(C_VIEW);
sway_log(L_DEBUG, "Adding new view %lu:%x:%s as a floating view",
handle, wlc_view_get_type(handle), title);
// Setup values
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view->handle = handle;
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view->name = title ? strdup(title) : NULL;
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view->visible = true;
// Set the geometry of the floating view
const struct wlc_geometry* geometry = wlc_view_get_geometry(handle);
view->x = geometry->origin.x;
view->y = geometry->origin.y;
view->width = geometry->size.w;
view->height = geometry->size.h;
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view->desired_width = view->width;
view->desired_height = view->height;
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view->is_floating = true;
// Case of focused workspace, just create as child of it
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list_add(active_workspace->floating, view);
view->parent = active_workspace;
if (active_workspace->focused == NULL) {
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set_focused_container_for(active_workspace, view);
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}
return view;
}
/* Destroy container */
swayc_t *destroy_output(swayc_t *output) {
if (output->children->length == 0) {
// TODO move workspaces to other outputs
}
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sway_log(L_DEBUG, "OUTPUT: Destroying output '%lu'", output->handle);
free_swayc(output);
return &root_container;
}
swayc_t *destroy_workspace(swayc_t *workspace) {
// NOTE: This is called from elsewhere without checking children length
// TODO move containers to other workspaces?
// for now just dont delete
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// Do not destroy this if it's the last workspace on this output
swayc_t *output = workspace->parent;
while (output && output->type != C_OUTPUT) {
output = output->parent;
}
if (output) {
if (output->children->length == 1) {
return NULL;
}
}
if (workspace->children->length == 0) {
sway_log(L_DEBUG, "Workspace: Destroying workspace '%s'", workspace->name);
swayc_t *parent = workspace->parent;
free_swayc(workspace);
return parent;
}
return NULL;
}
swayc_t *destroy_container(swayc_t *container) {
while (container->children->length == 0 && container->type == C_CONTAINER) {
sway_log(L_DEBUG, "Container: Destroying container '%p'", container);
swayc_t *parent = container->parent;
free_swayc(container);
container = parent;
}
return container;
}
swayc_t *destroy_view(swayc_t *view) {
if (view == NULL) {
sway_log(L_DEBUG, "Warning: NULL passed into destroy_view");
return NULL;
}
sway_log(L_DEBUG, "Destroying view '%p'", view);
swayc_t *parent = view->parent;
free_swayc(view);
// Destroy empty containers
if (parent->type == C_CONTAINER) {
return destroy_container(parent);
}
return parent;
}
swayc_t *find_container(swayc_t *container, bool (*test)(swayc_t *view, void *data), void *data) {
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if (!container->children) {
return NULL;
}
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// Special case for checking floating stuff
int i;
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if (container->type == C_WORKSPACE) {
for (i = 0; i < container->floating->length; ++i) {
swayc_t *child = container->floating->items[i];
if (test(child, data)) {
return child;
}
}
}
for (i = 0; i < container->children->length; ++i) {
swayc_t *child = container->children->items[i];
if (test(child, data)) {
return child;
} else {
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swayc_t *res = find_container(child, test, data);
if (res) {
return res;
}
}
}
return NULL;
}
void container_map(swayc_t *container, void (*f)(swayc_t *view, void *data), void *data) {
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if (!container || !container->children || !container->children->length) {
return;
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}
int i;
for (i = 0; i < container->children->length; ++i) {
swayc_t *child = container->children->items[i];
f(child, data);
container_map(child, f, data);
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}
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if (container->type == C_WORKSPACE) {
for (i = 0; i < container->floating->length; ++i) {
swayc_t *child = container->floating->items[i];
f(child, data);
container_map(child, f, data);
}
}
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}
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void set_view_visibility(swayc_t *view, void *data) {
uint32_t *p = data;
if (view->type == C_VIEW) {
wlc_view_set_mask(view->handle, *p);
if (*p == 2) {
wlc_view_bring_to_front(view->handle);
} else {
wlc_view_send_to_back(view->handle);
}
}
view->visible = (*p == 2);
}