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https://github.com/swaywm/sway.git
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Merge pull request #3422 from RyanDwyer/resize-immediate-siblings
Resize only current and immediate siblings rather than all siblings
This commit is contained in:
Brian Ashworth
GitHub
commit
bbd312c95a
3 changed files with 144 additions and 182 deletions
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@ -92,9 +92,12 @@ struct cmd_results *add_color(char *buffer, const char *color);
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/**
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* TODO: Move this function and its dependent functions to container.c.
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*/
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void container_resize_tiled(struct sway_container *parent, enum wlr_edges edge,
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void container_resize_tiled(struct sway_container *parent, uint32_t axis,
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int amount);
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struct sway_container *container_find_resize_parent(struct sway_container *con,
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uint32_t edge);
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sway_cmd cmd_assign;
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sway_cmd cmd_bar;
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sway_cmd cmd_bindcode;
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@ -130,175 +130,115 @@ static bool is_horizontal(uint32_t axis) {
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return axis & (WLR_EDGE_LEFT | WLR_EDGE_RIGHT);
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}
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static int parallel_coord(struct sway_container *c, uint32_t axis) {
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return is_horizontal(axis) ? c->x : c->y;
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}
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static int parallel_size(struct sway_container *c, uint32_t axis) {
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return is_horizontal(axis) ? c->width : c->height;
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}
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static void container_recursive_resize(struct sway_container *container,
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double amount, enum wlr_edges edge) {
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bool layout_match = true;
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wlr_log(WLR_DEBUG, "Resizing %p with amount: %f", container, amount);
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if (edge & (WLR_EDGE_LEFT | WLR_EDGE_RIGHT)) {
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container->width += amount;
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layout_match = container->layout == L_HORIZ;
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} else if (edge & (WLR_EDGE_TOP | WLR_EDGE_BOTTOM)) {
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container->height += amount;
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layout_match = container->layout == L_VERT;
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}
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if (container->children) {
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for (int i = 0; i < container->children->length; i++) {
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struct sway_container *child = container->children->items[i];
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double amt = layout_match ?
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amount / container->children->length : amount;
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container_recursive_resize(child, amt, edge);
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}
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}
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}
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static void resize_tiled(struct sway_container *parent, int amount,
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struct sway_container *container_find_resize_parent(struct sway_container *con,
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uint32_t axis) {
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struct sway_container *focused = parent;
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if (!parent) {
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enum sway_container_layout parallel_layout =
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is_horizontal(axis) ? L_HORIZ : L_VERT;
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bool allow_first = axis != WLR_EDGE_TOP && axis != WLR_EDGE_LEFT;
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bool allow_last = axis != WLR_EDGE_RIGHT && axis != WLR_EDGE_BOTTOM;
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while (con) {
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list_t *siblings = container_get_siblings(con);
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int index = container_sibling_index(con);
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if (container_parent_layout(con) == parallel_layout &&
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siblings->length > 1 && (allow_first || index > 0) &&
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(allow_last || index < siblings->length - 1)) {
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return con;
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}
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con = con->parent;
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}
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return NULL;
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}
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void container_resize_tiled(struct sway_container *con,
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uint32_t axis, int amount) {
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if (!con) {
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return;
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}
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enum sway_container_layout parallel_layout =
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is_horizontal(axis) ? L_HORIZ : L_VERT;
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int minor_weight = 0;
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int major_weight = 0;
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while (parent) {
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list_t *siblings = container_get_siblings(parent);
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if (container_parent_layout(parent) == parallel_layout) {
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for (int i = 0; i < siblings->length; i++) {
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struct sway_container *sibling = siblings->items[i];
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int sibling_pos = parallel_coord(sibling, axis);
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int focused_pos = parallel_coord(focused, axis);
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int parent_pos = parallel_coord(parent, axis);
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if (sibling_pos != focused_pos) {
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if (sibling_pos < parent_pos) {
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minor_weight++;
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} else if (sibling_pos > parent_pos) {
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major_weight++;
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}
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}
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}
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if (major_weight || minor_weight) {
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break;
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}
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}
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parent = parent->parent;
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}
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if (!parent) {
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con = container_find_resize_parent(con, axis);
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if (!con) {
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// Can't resize in this direction
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return;
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}
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// Implement up/down/left/right direction by zeroing one of the weights
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if (axis == WLR_EDGE_TOP || axis == WLR_EDGE_LEFT) {
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major_weight = 0;
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} else if (axis == WLR_EDGE_RIGHT || axis == WLR_EDGE_BOTTOM) {
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minor_weight = 0;
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}
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// For HORIZONTAL or VERTICAL, we are growing in two directions so select
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// both adjacent siblings. For RIGHT or DOWN, just select the next sibling.
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// For LEFT or UP, convert it to a RIGHT or DOWN resize and reassign con to
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// the previous sibling.
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struct sway_container *prev = NULL;
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struct sway_container *next = NULL;
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list_t *siblings = container_get_siblings(con);
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int index = container_sibling_index(con);
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bool horizontal = is_horizontal(axis);
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int min_sane = horizontal ? MIN_SANE_W : MIN_SANE_H;
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//TODO: Ensure rounding is done in such a way that there are NO pixel leaks
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// ^ ?????
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list_t *siblings = container_get_siblings(parent);
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for (int i = 0; i < siblings->length; i++) {
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struct sway_container *sibling = siblings->items[i];
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int sibling_pos = parallel_coord(sibling, axis);
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int focused_pos = parallel_coord(focused, axis);
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int parent_pos = parallel_coord(parent, axis);
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int sibling_size = parallel_size(sibling, axis);
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int parent_size = parallel_size(parent, axis);
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if (sibling_pos != focused_pos) {
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if (sibling_pos < parent_pos && minor_weight) {
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double pixels = -amount / minor_weight;
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if (major_weight && (sibling_size + pixels / 2) < min_sane) {
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return; // Too small
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} else if (!major_weight && sibling_size + pixels < min_sane) {
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return; // Too small
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}
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} else if (sibling_pos > parent_pos && major_weight) {
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double pixels = -amount / major_weight;
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if (minor_weight && (sibling_size + pixels / 2) < min_sane) {
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return; // Too small
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} else if (!minor_weight && sibling_size + pixels < min_sane) {
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return; // Too small
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}
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}
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if (axis == AXIS_HORIZONTAL || axis == AXIS_VERTICAL) {
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if (index == 0) {
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next = siblings->items[1];
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} else if (index == siblings->length - 1) {
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// Convert edge to top/left
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next = con;
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con = siblings->items[index - 1];
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amount = -amount;
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} else {
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double pixels = amount;
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if (parent_size + pixels < min_sane) {
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return; // Too small
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}
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prev = siblings->items[index - 1];
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next = siblings->items[index + 1];
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}
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}
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enum wlr_edges minor_edge = horizontal ? WLR_EDGE_LEFT : WLR_EDGE_TOP;
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enum wlr_edges major_edge = horizontal ? WLR_EDGE_RIGHT : WLR_EDGE_BOTTOM;
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for (int i = 0; i < siblings->length; i++) {
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struct sway_container *sibling = siblings->items[i];
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int sibling_pos = parallel_coord(sibling, axis);
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int focused_pos = parallel_coord(focused, axis);
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int parent_pos = parallel_coord(parent, axis);
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if (sibling_pos != focused_pos) {
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if (sibling_pos < parent_pos && minor_weight) {
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double pixels = -1 * amount;
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pixels /= minor_weight;
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if (major_weight) {
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container_recursive_resize(sibling, pixels / 2, major_edge);
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} else {
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container_recursive_resize(sibling, pixels, major_edge);
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}
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} else if (sibling_pos > parent_pos && major_weight) {
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double pixels = -1 * amount;
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pixels /= major_weight;
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if (minor_weight) {
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container_recursive_resize(sibling, pixels / 2, minor_edge);
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} else {
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container_recursive_resize(sibling, pixels, minor_edge);
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}
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}
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} else {
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if (major_weight != 0 && minor_weight != 0) {
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double pixels = amount;
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pixels /= 2;
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container_recursive_resize(parent, pixels, minor_edge);
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container_recursive_resize(parent, pixels, major_edge);
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} else if (major_weight) {
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container_recursive_resize(parent, amount, major_edge);
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} else if (minor_weight) {
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container_recursive_resize(parent, amount, minor_edge);
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}
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} else if (axis == WLR_EDGE_TOP || axis == WLR_EDGE_LEFT) {
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if (!sway_assert(index > 0, "Didn't expect first child")) {
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return;
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}
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}
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if (parent->parent) {
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arrange_container(parent->parent);
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next = con;
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con = siblings->items[index - 1];
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amount = -amount;
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} else {
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arrange_workspace(parent->workspace);
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if (!sway_assert(index < siblings->length - 1,
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"Didn't expect last child")) {
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return;
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}
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next = siblings->items[index + 1];
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}
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}
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void container_resize_tiled(struct sway_container *parent,
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enum wlr_edges edge, int amount) {
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resize_tiled(parent, amount, edge);
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// Apply new dimensions
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int sibling_amount = prev ? amount / 2 : amount;
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if (is_horizontal(axis)) {
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if (con->width + amount < MIN_SANE_W) {
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return;
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}
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if (next->width - sibling_amount < MIN_SANE_W) {
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return;
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}
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if (prev && prev->width - sibling_amount < MIN_SANE_W) {
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return;
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}
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con->width += amount;
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next->width -= sibling_amount;
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if (prev) {
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prev->width -= sibling_amount;
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}
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} else {
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if (con->height + amount < MIN_SANE_H) {
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return;
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}
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if (next->height - sibling_amount < MIN_SANE_H) {
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return;
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}
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if (prev && prev->height - sibling_amount < MIN_SANE_H) {
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return;
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}
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con->height += amount;
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next->height -= sibling_amount;
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if (prev) {
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prev->height -= sibling_amount;
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}
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}
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if (con->parent) {
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arrange_container(con->parent);
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} else {
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arrange_workspace(con->workspace);
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}
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}
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/**
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@ -379,7 +319,7 @@ static struct cmd_results *resize_adjust_tiled(uint32_t axis,
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double old_width = current->width;
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double old_height = current->height;
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resize_tiled(current, amount->amount, axis);
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container_resize_tiled(current, axis, amount->amount);
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if (current->width == old_width && current->height == old_height) {
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return cmd_results_new(CMD_INVALID, "Cannot resize any further");
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}
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@ -407,7 +347,8 @@ static struct cmd_results *resize_set_tiled(struct sway_container *con,
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width->unit = RESIZE_UNIT_PX;
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}
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if (width->unit == RESIZE_UNIT_PX) {
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resize_tiled(con, width->amount - con->width, AXIS_HORIZONTAL);
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container_resize_tiled(con, AXIS_HORIZONTAL,
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width->amount - con->width);
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}
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}
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@ -427,7 +368,8 @@ static struct cmd_results *resize_set_tiled(struct sway_container *con,
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height->unit = RESIZE_UNIT_PX;
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}
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if (height->unit == RESIZE_UNIT_PX) {
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resize_tiled(con, height->amount - con->height, AXIS_VERTICAL);
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container_resize_tiled(con, AXIS_VERTICAL,
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height->amount - con->height);
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}
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}
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@ -1,15 +1,22 @@
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#define _POSIX_C_SOURCE 200809L
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#include <wlr/types/wlr_cursor.h>
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#include <wlr/util/edges.h>
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#include "sway/commands.h"
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#include "sway/input/cursor.h"
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#include "sway/input/seat.h"
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struct seatop_resize_tiling_event {
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struct sway_container *con;
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struct sway_container *con; // leaf container
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// con, or ancestor of con which will be resized horizontally/vertically
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struct sway_container *h_con;
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struct sway_container *v_con;
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enum wlr_edges edge;
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enum wlr_edges edge_x, edge_y;
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double ref_lx, ref_ly; // cursor's x/y at start of op
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double ref_width, ref_height; // container's size at start of op
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double ref_con_lx, ref_con_ly; // container's x/y at start of op
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double h_con_orig_width; // width of the horizontal ancestor at start
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double v_con_orig_height; // height of the vertical ancestor at start
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};
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static void handle_motion(struct sway_seat *seat, uint32_t time_msec) {
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@ -18,30 +25,27 @@ static void handle_motion(struct sway_seat *seat, uint32_t time_msec) {
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int amount_y = 0;
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int moved_x = seat->cursor->cursor->x - e->ref_lx;
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int moved_y = seat->cursor->cursor->y - e->ref_ly;
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enum wlr_edges edge_x = WLR_EDGE_NONE;
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enum wlr_edges edge_y = WLR_EDGE_NONE;
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struct sway_container *con = e->con;
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if (e->edge & WLR_EDGE_TOP) {
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amount_y = (e->ref_height - moved_y) - con->height;
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edge_y = WLR_EDGE_TOP;
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} else if (e->edge & WLR_EDGE_BOTTOM) {
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amount_y = (e->ref_height + moved_y) - con->height;
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edge_y = WLR_EDGE_BOTTOM;
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if (e->h_con) {
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if (e->edge & WLR_EDGE_LEFT) {
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amount_x = (e->h_con_orig_width - moved_x) - e->h_con->width;
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} else if (e->edge & WLR_EDGE_RIGHT) {
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amount_x = (e->h_con_orig_width + moved_x) - e->h_con->width;
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}
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}
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if (e->edge & WLR_EDGE_LEFT) {
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amount_x = (e->ref_width - moved_x) - con->width;
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edge_x = WLR_EDGE_LEFT;
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} else if (e->edge & WLR_EDGE_RIGHT) {
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amount_x = (e->ref_width + moved_x) - con->width;
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edge_x = WLR_EDGE_RIGHT;
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if (e->v_con) {
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if (e->edge & WLR_EDGE_TOP) {
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amount_y = (e->v_con_orig_height - moved_y) - e->v_con->height;
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} else if (e->edge & WLR_EDGE_BOTTOM) {
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amount_y = (e->v_con_orig_height + moved_y) - e->v_con->height;
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}
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}
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if (amount_x != 0) {
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container_resize_tiled(e->con, edge_x, amount_x);
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container_resize_tiled(e->h_con, e->edge_x, amount_x);
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}
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if (amount_y != 0) {
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container_resize_tiled(e->con, edge_y, amount_y);
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container_resize_tiled(e->v_con, e->edge_y, amount_y);
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}
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}
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@ -81,10 +85,23 @@ void seatop_begin_resize_tiling(struct sway_seat *seat,
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e->ref_lx = seat->cursor->cursor->x;
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e->ref_ly = seat->cursor->cursor->y;
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e->ref_con_lx = con->x;
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e->ref_con_ly = con->y;
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e->ref_width = con->width;
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e->ref_height = con->height;
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if (edge & (WLR_EDGE_LEFT | WLR_EDGE_RIGHT)) {
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e->edge_x = edge & (WLR_EDGE_LEFT | WLR_EDGE_RIGHT);
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e->h_con = container_find_resize_parent(e->con, e->edge_x);
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if (e->h_con) {
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e->h_con_orig_width = e->h_con->width;
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}
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}
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if (edge & (WLR_EDGE_TOP | WLR_EDGE_BOTTOM)) {
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e->edge_y = edge & (WLR_EDGE_TOP | WLR_EDGE_BOTTOM);
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e->v_con = container_find_resize_parent(e->con, e->edge_y);
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if (e->v_con) {
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e->v_con_orig_height = e->v_con->height;
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}
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}
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seat->seatop_impl = &seatop_impl;
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seat->seatop_data = e;
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