transaction: align containers to fractional grid

Signed-off-by: Loukas Agorgianitis <loukas@agorgianitis.com>
This commit is contained in:
Loukas Agorgianitis 2025-05-07 05:10:07 +03:00
parent 4b475266e0
commit 0c302325e4
No known key found for this signature in database
GPG key ID: DDC6FA7D5BB332E6
2 changed files with 67 additions and 37 deletions

View file

@ -102,7 +102,7 @@ struct sway_container {
char *title; // The view's title (unformatted)
char *formatted_title; // The title displayed in the title bar
int title_width;
double title_width;
char *title_format;

View file

@ -254,7 +254,7 @@ static void apply_container_state(struct sway_container *container,
}
static void arrange_title_bar(struct sway_container *con,
int x, int y, int width, int height) {
double x, double y, double width, double height) {
container_update(con);
bool has_title_bar = height > 0;
@ -283,13 +283,17 @@ static void disable_container(struct sway_container *con) {
}
}
static double align_to_fractional(float scale, double value) {
return round(value * scale) / scale;
}
static void arrange_container(struct sway_container *con,
int width, int height, bool title_bar, int gaps);
double width, double height, bool title_bar, double gaps);
static void arrange_children(enum sway_container_layout layout, list_t *children,
struct sway_container *active, struct wlr_scene_tree *content,
int width, int height, int gaps) {
int title_bar_height = container_titlebar_height();
double width, double height, double gaps, float scale) {
double title_bar_height = align_to_fractional(scale, container_titlebar_height());
if (layout == L_TABBED) {
struct sway_container *first = children->length == 1 ?
@ -299,28 +303,27 @@ static void arrange_children(enum sway_container_layout layout, list_t *children
title_bar_height = 0;
}
double w = (double) width / children->length;
int title_offset = 0;
double w = align_to_fractional(scale, width / children->length);
double title_offset = 0;
for (int i = 0; i < children->length; i++) {
struct sway_container *child = children->items[i];
bool activated = child == active;
int next_title_offset = round(w * i + w);
arrange_title_bar(child, title_offset, -title_bar_height,
next_title_offset - title_offset, title_bar_height);
(i == children->length - 1) ? width - title_offset : w, title_bar_height);
wlr_scene_node_set_enabled(&child->border.tree->node, activated);
wlr_scene_node_set_enabled(&child->scene_tree->node, true);
wlr_scene_node_set_position(&child->scene_tree->node, 0, title_bar_height);
wlr_scene_node_reparent(&child->scene_tree->node, content);
int net_height = height - title_bar_height;
double net_height = height - title_bar_height;
if (activated && width > 0 && net_height > 0) {
arrange_container(child, width, net_height, title_bar_height == 0, 0);
} else {
disable_container(child);
}
title_offset = next_title_offset;
title_offset += w;
}
} else if (layout == L_STACKED) {
struct sway_container *first = children->length == 1 ?
@ -330,9 +333,9 @@ static void arrange_children(enum sway_container_layout layout, list_t *children
title_bar_height = 0;
}
int title_height = title_bar_height * children->length;
double title_height = title_bar_height * children->length;
int y = 0;
double y = 0;
for (int i = 0; i < children->length; i++) {
struct sway_container *child = children->items[i];
bool activated = child == active;
@ -343,7 +346,7 @@ static void arrange_children(enum sway_container_layout layout, list_t *children
wlr_scene_node_set_position(&child->scene_tree->node, 0, title_height);
wlr_scene_node_reparent(&child->scene_tree->node, content);
int net_height = height - title_height;
double net_height = height - title_height;
if (activated && width > 0 && net_height > 0) {
arrange_container(child, width, net_height, title_bar_height == 0, 0);
} else {
@ -353,10 +356,10 @@ static void arrange_children(enum sway_container_layout layout, list_t *children
y += title_bar_height;
}
} else if (layout == L_VERT) {
int off = 0;
double off = 0;
for (int i = 0; i < children->length; i++) {
struct sway_container *child = children->items[i];
int cheight = child->current.height;
double cheight = align_to_fractional(scale, child->current.height);
wlr_scene_node_set_enabled(&child->border.tree->node, true);
wlr_scene_node_set_position(&child->scene_tree->node, 0, off);
@ -369,10 +372,10 @@ static void arrange_children(enum sway_container_layout layout, list_t *children
}
}
} else if (layout == L_HORIZ) {
int off = 0;
double off = 0;
for (int i = 0; i < children->length; i++) {
struct sway_container *child = children->items[i];
int cwidth = child->current.width;
double cwidth = align_to_fractional(scale, child->current.width);
wlr_scene_node_set_enabled(&child->border.tree->node, true);
wlr_scene_node_set_position(&child->scene_tree->node, off, 0);
@ -390,7 +393,9 @@ static void arrange_children(enum sway_container_layout layout, list_t *children
}
static void arrange_container(struct sway_container *con,
int width, int height, bool title_bar, int gaps) {
double width, double height, bool title_bar, double gaps) {
float scale = container_scale_factor(con);
// this container might have previously been in the scratchpad,
// make sure it's enabled for viewing
wlr_scene_node_set_enabled(&con->scene_tree->node, true);
@ -400,8 +405,8 @@ static void arrange_container(struct sway_container *con,
}
if (con->view) {
int border_top = container_titlebar_height();
int border_width = con->current.border_thickness;
double border_top = container_titlebar_height();
double border_width = con->current.border_thickness;
if (title_bar && con->current.border != B_NORMAL) {
wlr_scene_node_set_enabled(&con->title_bar.tree->node, false);
@ -431,10 +436,21 @@ static void arrange_container(struct sway_container *con,
sway_assert(false, "unreachable");
}
int border_bottom = con->current.border_bottom ? border_width : 0;
int border_left = con->current.border_left ? border_width : 0;
int border_right = con->current.border_right ? border_width : 0;
int vert_border_height = MAX(0, height - border_top - border_bottom);
border_top = align_to_fractional(scale, border_top);
border_width = align_to_fractional(scale, border_width);
double content_width = align_to_fractional(scale, con->current.content_width);
double content_height = align_to_fractional(scale, con->current.content_height);
double border_bottom = con->current.border_bottom ? border_width : 0;
double border_left = con->current.border_left ? border_width : 0;
double border_right = con->current.border_right ? border_width : 0;
width = border_left + content_width + border_right;
height = border_top + content_height + border_bottom;
double vert_border_height = MAX(0, height - border_top - border_bottom);
vert_border_height = align_to_fractional(scale, vert_border_height);
wlr_scene_rect_set_size(con->border.top, width, border_top);
wlr_scene_rect_set_size(con->border.bottom, width, border_bottom);
@ -464,7 +480,7 @@ static void arrange_container(struct sway_container *con,
arrange_children(con->current.layout, con->current.children,
con->current.focused_inactive_child, con->content_tree,
width, height, gaps);
width, height, gaps, scale);
}
}
@ -488,7 +504,7 @@ static int container_get_gaps(struct sway_container *con) {
static void arrange_fullscreen(struct wlr_scene_tree *tree,
struct sway_container *fs, struct sway_workspace *ws,
int width, int height) {
double width, double height) {
struct wlr_scene_node *fs_node;
if (fs->view) {
fs_node = &fs->view->scene_tree->node;
@ -497,7 +513,9 @@ static void arrange_fullscreen(struct wlr_scene_tree *tree,
wlr_scene_node_set_enabled(&fs->scene_tree->node, false);
} else {
fs_node = &fs->scene_tree->node;
arrange_container(fs, width, height, true, container_get_gaps(fs));
float scale = container_scale_factor(fs);
double gaps = align_to_fractional(scale, container_get_gaps(fs));
arrange_container(fs, width, height, true, gaps);
}
wlr_scene_node_reparent(fs_node, tree);
@ -506,6 +524,9 @@ static void arrange_fullscreen(struct wlr_scene_tree *tree,
}
static void arrange_workspace_floating(struct sway_workspace *ws) {
float scale = ws->output->wlr_output->scale;
double gaps = align_to_fractional(scale, ws->gaps_inner);
for (int i = 0; i < ws->current.floating->length; i++) {
struct sway_container *floater = ws->current.floating->items[i];
struct wlr_scene_tree *layer = root->layers.floating;
@ -531,21 +552,27 @@ static void arrange_workspace_floating(struct sway_workspace *ws) {
}
wlr_scene_node_reparent(&floater->scene_tree->node, layer);
wlr_scene_node_set_position(&floater->scene_tree->node,
floater->current.x, floater->current.y);
double x = align_to_fractional(scale, floater->current.x);
double y = align_to_fractional(scale, floater->current.y);
wlr_scene_node_set_position(&floater->scene_tree->node, x, y);
wlr_scene_node_set_enabled(&floater->scene_tree->node, true);
wlr_scene_node_set_enabled(&floater->border.tree->node, true);
arrange_container(floater, floater->current.width, floater->current.height,
true, ws->gaps_inner);
double width = align_to_fractional(scale, floater->current.width);
double height = align_to_fractional(scale, floater->current.height);
arrange_container(floater, width, height, true, gaps);
}
}
static void arrange_workspace_tiling(struct sway_workspace *ws,
int width, int height) {
double width, double height) {
float scale = ws->output->wlr_output->scale;
double gaps = align_to_fractional(scale, ws->gaps_inner);
arrange_children(ws->current.layout, ws->current.tiling,
ws->current.focused_inactive_child, ws->layers.tiling,
width, height, ws->gaps_inner);
width, height, gaps, scale);
}
static void disable_workspace(struct sway_workspace *ws) {
@ -584,6 +611,8 @@ static void arrange_output(struct sway_output *output, int width, int height) {
if (activated) {
struct sway_container *fs = child->current.fullscreen;
double scale = output->wlr_output->scale;
wlr_scene_node_set_enabled(&child->layers.tiling->node, !fs);
wlr_scene_node_set_enabled(&child->layers.fullscreen->node, fs);
@ -604,11 +633,12 @@ static void arrange_output(struct sway_output *output, int width, int height) {
struct side_gaps *gaps = &child->current_gaps;
wlr_scene_node_set_position(&child->layers.tiling->node,
gaps->left + area->x, gaps->top + area->y);
align_to_fractional(scale, gaps->left + area->x),
align_to_fractional(scale, gaps->top + area->y));
arrange_workspace_tiling(child,
area->width - gaps->left - gaps->right,
area->height - gaps->top - gaps->bottom);
align_to_fractional(scale, area->width - gaps->left - gaps->right),
align_to_fractional(scale, area->height - gaps->top - gaps->bottom));
arrange_workspace_floating(child);
}
} else {