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-rw-r--r--sway/resize.c491
1 files changed, 491 insertions, 0 deletions
diff --git a/sway/resize.c b/sway/resize.c
new file mode 100644
index 00000000..a08ef4a1
--- /dev/null
+++ b/sway/resize.c
@@ -0,0 +1,491 @@
+#include <wlc/wlc.h>
+#include <math.h>
+#include "layout.h"
+#include "focus.h"
+#include "log.h"
+#include "input_state.h"
+#include "handlers.h"
+
+bool mouse_resize_tiled(struct wlc_origin prev_pos) {
+ swayc_t *view = container_under_pointer();
+ bool valid = true;
+ bool changed_tiling = false;
+ double dx = mouse_origin.x - prev_pos.x;
+ double dy = mouse_origin.y - prev_pos.y;
+ if (view != pointer_state.tiling.init_view) {
+ changed_tiling = true;
+ valid = false;
+ if (view->type != C_WORKSPACE) {
+ if (get_swayc_in_direction(pointer_state.tiling.init_view, MOVE_LEFT) == view) {
+ pointer_state.tiling.lock_pos.x = pointer_state.tiling.init_view->x + 20;
+ pointer_state.lock.temp_left = true;
+ } else if (get_swayc_in_direction(pointer_state.tiling.init_view, MOVE_RIGHT) == view) {
+ pointer_state.tiling.lock_pos.x = pointer_state.tiling.init_view->x + pointer_state.tiling.init_view->width - 20;
+ pointer_state.lock.temp_right = true;
+ } else if (get_swayc_in_direction(pointer_state.tiling.init_view, MOVE_UP) == view) {
+ pointer_state.tiling.lock_pos.y = pointer_state.tiling.init_view->y + 20;
+ pointer_state.lock.temp_up = true;
+ } else if (get_swayc_in_direction(pointer_state.tiling.init_view, MOVE_DOWN) == view) {
+ pointer_state.tiling.lock_pos.y = pointer_state.tiling.init_view->y + pointer_state.tiling.init_view->height - 20;
+ pointer_state.lock.temp_down = true;
+ }
+ }
+ }
+
+ if ((dx < 0 || mouse_origin.x < pointer_state.tiling.lock_pos.x) && pointer_state.lock.temp_left) {
+ changed_tiling = true;
+ valid = false;
+ } else if (dx > 0 && pointer_state.lock.temp_left) {
+ pointer_state.lock.temp_left = false;
+ pointer_state.tiling.lock_pos.x = 0;
+ }
+
+ if ((dx > 0 || mouse_origin.x > pointer_state.tiling.lock_pos.x) && pointer_state.lock.temp_right) {
+ changed_tiling = true;
+ valid = false;
+ } else if (dx < 0 && pointer_state.lock.temp_right) {
+ pointer_state.lock.temp_right = false;
+ pointer_state.tiling.lock_pos.x = 0;
+ }
+
+ if ((dy < 0 || mouse_origin.y < pointer_state.tiling.lock_pos.y) && pointer_state.lock.temp_up) {
+ changed_tiling = true;
+ valid = false;
+ } else if (dy > 0 && pointer_state.lock.temp_up) {
+ pointer_state.lock.temp_up = false;
+ pointer_state.tiling.lock_pos.y = 0;
+ }
+
+ if ((dy > 0 || mouse_origin.y > pointer_state.tiling.lock_pos.y) && pointer_state.lock.temp_down) {
+ changed_tiling = true;
+ valid = false;
+ } else if (dy < 0 && pointer_state.lock.temp_down) {
+ pointer_state.lock.temp_down = false;
+ pointer_state.tiling.lock_pos.y = 0;
+ }
+
+ if (!view->is_floating && valid) {
+ // Handle layout resizes -- Find the biggest parent container then apply resizes to that
+ // and its bordering siblings
+ swayc_t *parent = view;
+ if (!pointer_state.lock.bottom) {
+ while (parent->type != C_WORKSPACE) {
+ // TODO: Absolute value is a bad hack here to compensate for rounding. Find a better
+ // way of doing this.
+ if (fabs(parent->parent->y + parent->parent->height - (view->y + view->height)) <= 1) {
+ parent = parent->parent;
+ } else {
+ break;
+ }
+ }
+ if (parent->parent->children->length > 1 && parent->parent->layout == L_VERT) {
+ swayc_t *sibling = get_swayc_in_direction(parent, MOVE_DOWN);
+ if (sibling) {
+ if ((parent->height > min_sane_h || dy > 0) && (sibling->height > min_sane_h || dy < 0)) {
+ recursive_resize(parent, dy, WLC_RESIZE_EDGE_BOTTOM);
+ recursive_resize(sibling, -1 * dy, WLC_RESIZE_EDGE_TOP);
+ changed_tiling = true;
+ } else {
+ if (parent->height < min_sane_h) {
+ //pointer_state.tiling.lock_pos.y = pointer_state.tiling.init_view->y + 20;
+ pointer_state.tiling.lock_pos.y = pointer_state.tiling.init_view->y + pointer_state.tiling.init_view->height - 20;
+ pointer_state.lock.temp_up = true;
+ } else if (sibling->height < min_sane_h) {
+ pointer_state.tiling.lock_pos.y = pointer_state.tiling.init_view->y + pointer_state.tiling.init_view->height - 20;
+ pointer_state.lock.temp_down = true;
+ }
+ }
+ }
+ }
+ } else if (!pointer_state.lock.top) {
+ while (parent->type != C_WORKSPACE) {
+ if (fabs(parent->parent->y - view->y) <= 1) {
+ parent = parent->parent;
+ } else {
+ break;
+ }
+ }
+ if (parent->parent->children->length > 1 && parent->parent->layout == L_VERT) {
+ swayc_t *sibling = get_swayc_in_direction(parent, MOVE_UP);
+ if (sibling) {
+ if ((parent->height > min_sane_h || dy < 0) && (sibling->height > min_sane_h || dy > 0)) {
+ recursive_resize(parent, -1 * dy, WLC_RESIZE_EDGE_TOP);
+ recursive_resize(sibling, dy, WLC_RESIZE_EDGE_BOTTOM);
+ changed_tiling = true;
+ } else {
+ if (parent->height < min_sane_h) {
+ //pointer_state.tiling.lock_pos.y = pointer_state.tiling.init_view->y + pointer_state.tiling.init_view->height - 20;
+ pointer_state.tiling.lock_pos.y = pointer_state.tiling.init_view->y + 20;
+ pointer_state.lock.temp_down = true;
+ } else if (sibling->height < min_sane_h) {
+ pointer_state.tiling.lock_pos.y = pointer_state.tiling.init_view->y + 20;
+ pointer_state.lock.temp_up = true;
+ }
+ }
+ }
+ }
+ }
+
+ parent = view;
+ if (!pointer_state.lock.right) {
+ while (parent->type != C_WORKSPACE) {
+ if (fabs(parent->parent->x + parent->parent->width - (view->x + view->width)) <= 1) {
+ parent = parent->parent;
+ } else {
+ sway_log(L_DEBUG, "view: %f vs parent: %f", view->x + view->width, parent->parent->x + parent->parent->width);
+ break;
+ }
+ }
+ if (parent->parent->children->length > 1 && parent->parent->layout == L_HORIZ) {
+ swayc_t *sibling = get_swayc_in_direction(parent, MOVE_RIGHT);
+ if (sibling) {
+ if ((parent->width > min_sane_w || dx > 0) && (sibling->width > min_sane_w || dx < 0)) {
+ recursive_resize(parent, dx, WLC_RESIZE_EDGE_RIGHT);
+ recursive_resize(sibling, -1 * dx, WLC_RESIZE_EDGE_LEFT);
+ changed_tiling = true;
+ } else {
+ if (parent->width < min_sane_w) {
+ pointer_state.lock.temp_left = true;
+ pointer_state.tiling.lock_pos.x = pointer_state.tiling.init_view->x + pointer_state.tiling.init_view->width - 20;
+ } else if (sibling->width < min_sane_w) {
+ pointer_state.lock.temp_right = true;
+ pointer_state.tiling.lock_pos.x = pointer_state.tiling.init_view->x + pointer_state.tiling.init_view->width - 20;
+ }
+ }
+ }
+ }
+ } else if (!pointer_state.lock.left) {
+ while (parent->type != C_WORKSPACE) {
+ if (fabs(parent->parent->x - view->x) <= 1 && parent->parent) {
+ parent = parent->parent;
+ } else {
+ break;
+ }
+ }
+ if (parent->parent->children->length > 1 && parent->parent->layout == L_HORIZ) {
+ swayc_t *sibling = get_swayc_in_direction(parent, MOVE_LEFT);
+ if (sibling) {
+ if ((parent->width > min_sane_w || dx < 0) && (sibling->width > min_sane_w || dx > 0)) {
+ recursive_resize(parent, -1 * dx, WLC_RESIZE_EDGE_LEFT);
+ recursive_resize(sibling, dx, WLC_RESIZE_EDGE_RIGHT);
+ changed_tiling = true;
+ } else {
+ if (parent->width < min_sane_w) {
+ pointer_state.lock.temp_right = true;
+ pointer_state.tiling.lock_pos.x = pointer_state.tiling.init_view->x + 20;
+ } else if (sibling->width < min_sane_w) {
+ pointer_state.lock.temp_left = true;
+ pointer_state.tiling.lock_pos.x = pointer_state.tiling.init_view->x + 20;
+ }
+ }
+ }
+ }
+ }
+ arrange_windows(swayc_active_workspace(), -1, -1);
+ }
+ return changed_tiling;
+}
+
+bool resize_floating(struct wlc_origin prev_pos) {
+ bool changed = false;
+ swayc_t *view = container_under_pointer();
+ uint32_t edge = 0;
+ int dx = mouse_origin.x - prev_pos.x;
+ int dy = mouse_origin.y - prev_pos.y;
+
+ // Move and resize the view based on the dx/dy and mouse position
+ int midway_x = view->x + view->width/2;
+ int midway_y = view->y + view->height/2;
+ if (dx < 0) {
+ if (!pointer_state.lock.right) {
+ if (view->width > min_sane_w) {
+ changed = true;
+ view->width += dx;
+ edge += WLC_RESIZE_EDGE_RIGHT;
+ }
+ } else if (mouse_origin.x < midway_x && !pointer_state.lock.left) {
+ changed = true;
+ view->x += dx;
+ view->width -= dx;
+ edge += WLC_RESIZE_EDGE_LEFT;
+ }
+ } else if (dx > 0) {
+ if (mouse_origin.x > midway_x && !pointer_state.lock.right) {
+ changed = true;
+ view->width += dx;
+ edge += WLC_RESIZE_EDGE_RIGHT;
+ } else if (!pointer_state.lock.left) {
+ if (view->width > min_sane_w) {
+ changed = true;
+ view->x += dx;
+ view->width -= dx;
+ edge += WLC_RESIZE_EDGE_LEFT;
+ }
+ }
+ }
+
+ if (dy < 0) {
+ if (!pointer_state.lock.bottom) {
+ if (view->height > min_sane_h) {
+ changed = true;
+ view->height += dy;
+ edge += WLC_RESIZE_EDGE_BOTTOM;
+ }
+ } else if (mouse_origin.y < midway_y && !pointer_state.lock.top) {
+ changed = true;
+ view->y += dy;
+ view->height -= dy;
+ edge += WLC_RESIZE_EDGE_TOP;
+ }
+ } else if (dy > 0) {
+ if (mouse_origin.y > midway_y && !pointer_state.lock.bottom) {
+ changed = true;
+ view->height += dy;
+ edge += WLC_RESIZE_EDGE_BOTTOM;
+ } else if (!pointer_state.lock.top) {
+ if (view->height > min_sane_h) {
+ changed = true;
+ view->y += dy;
+ view->height -= dy;
+ edge += WLC_RESIZE_EDGE_TOP;
+ }
+ }
+ }
+ if (changed) {
+ struct wlc_geometry geometry = {
+ .origin = {
+ .x = view->x,
+ .y = view->y
+ },
+ .size = {
+ .w = view->width,
+ .h = view->height
+ }
+ };
+ wlc_view_set_geometry(view->handle, edge, &geometry);
+ }
+ return changed;
+}
+
+bool resize_tiled(int amount, bool use_width) {
+ swayc_t *parent = get_focused_view(swayc_active_workspace());
+ swayc_t *focused = parent;
+ swayc_t *sibling;
+ if (!parent) {
+ return true;
+ }
+ // Find the closest parent container which has siblings of the proper layout.
+ // Then apply the resize to all of them.
+ int i;
+ if (use_width) {
+ int lnumber = 0;
+ int rnumber = 0;
+ while (parent->parent) {
+ if (parent->parent->layout == L_HORIZ) {
+ for (i = 0; i < parent->parent->children->length; i++) {
+ sibling = parent->parent->children->items[i];
+ if (sibling->x != focused->x) {
+ if (sibling->x < parent->x) {
+ lnumber++;
+ } else if (sibling->x > parent->x) {
+ rnumber++;
+ }
+ }
+ }
+ if (rnumber || lnumber) {
+ break;
+ }
+ }
+ parent = parent->parent;
+ }
+ if (parent == &root_container) {
+ return true;
+ }
+ sway_log(L_DEBUG, "Found the proper parent: %p. It has %d l conts, and %d r conts", parent->parent, lnumber, rnumber);
+ //TODO: Ensure rounding is done in such a way that there are NO pixel leaks
+ bool valid = true;
+ for (i = 0; i < parent->parent->children->length; i++) {
+ sibling = parent->parent->children->items[i];
+ if (sibling->x != focused->x) {
+ if (sibling->x < parent->x) {
+ double pixels = -1 * amount;
+ pixels /= lnumber;
+ if (rnumber) {
+ if ((sibling->width + pixels/2) < min_sane_w) {
+ valid = false;
+ break;
+ }
+ } else {
+ if ((sibling->width + pixels) < min_sane_w) {
+ valid = false;
+ break;
+ }
+ }
+ } else if (sibling->x > parent->x) {
+ double pixels = -1 * amount;
+ pixels /= rnumber;
+ if (lnumber) {
+ if ((sibling->width + pixels/2) < min_sane_w) {
+ valid = false;
+ break;
+ }
+ } else {
+ if ((sibling->width + pixels) < min_sane_w) {
+ valid = false;
+ break;
+ }
+ }
+ }
+ } else {
+ double pixels = amount;
+ if (parent->width + pixels < min_sane_w) {
+ valid = false;
+ break;
+ }
+ }
+ }
+ if (valid) {
+ for (i = 0; i < parent->parent->children->length; i++) {
+ sibling = parent->parent->children->items[i];
+ if (sibling->x != focused->x) {
+ if (sibling->x < parent->x) {
+ double pixels = -1 * amount;
+ pixels /= lnumber;
+ if (rnumber) {
+ recursive_resize(sibling, pixels/2, WLC_RESIZE_EDGE_RIGHT);
+ } else {
+ recursive_resize(sibling, pixels, WLC_RESIZE_EDGE_RIGHT);
+ }
+ } else if (sibling->x > parent->x) {
+ double pixels = -1 * amount;
+ pixels /= rnumber;
+ if (lnumber) {
+ recursive_resize(sibling, pixels/2, WLC_RESIZE_EDGE_LEFT);
+ } else {
+ recursive_resize(sibling, pixels, WLC_RESIZE_EDGE_LEFT);
+ }
+ }
+ } else {
+ if (rnumber != 0 && lnumber != 0) {
+ double pixels = amount;
+ pixels /= 2;
+ recursive_resize(parent, pixels, WLC_RESIZE_EDGE_LEFT);
+ recursive_resize(parent, pixels, WLC_RESIZE_EDGE_RIGHT);
+ } else if (rnumber) {
+ recursive_resize(parent, amount, WLC_RESIZE_EDGE_RIGHT);
+ } else if (lnumber) {
+ recursive_resize(parent, amount, WLC_RESIZE_EDGE_LEFT);
+ }
+ }
+ }
+ // Recursive resize does not handle positions, let arrange_windows
+ // take care of that.
+ arrange_windows(swayc_active_workspace(), -1, -1);
+ }
+ return true;
+ } else {
+ int tnumber = 0;
+ int bnumber = 0;
+ while (parent->parent) {
+ if (parent->parent->layout == L_VERT) {
+ for (i = 0; i < parent->parent->children->length; i++) {
+ sibling = parent->parent->children->items[i];
+ if (sibling->y != focused->y) {
+ if (sibling->y < parent->y) {
+ bnumber++;
+ } else if (sibling->y > parent->y) {
+ tnumber++;
+ }
+ }
+ }
+ if (bnumber || tnumber) {
+ break;
+ }
+ }
+ parent = parent->parent;
+ }
+ if (parent == &root_container) {
+ return true;
+ }
+ sway_log(L_DEBUG, "Found the proper parent: %p. It has %d b conts, and %d t conts", parent->parent, bnumber, tnumber);
+ //TODO: Ensure rounding is done in such a way that there are NO pixel leaks
+ bool valid = true;
+ for (i = 0; i < parent->parent->children->length; i++) {
+ sibling = parent->parent->children->items[i];
+ if (sibling->y != focused->y) {
+ if (sibling->y < parent->y) {
+ double pixels = -1 * amount;
+ pixels /= bnumber;
+ if (tnumber) {
+ if ((sibling->height + pixels/2) < min_sane_h) {
+ valid = false;
+ break;
+ }
+ } else {
+ if ((sibling->height + pixels) < min_sane_h) {
+ valid = false;
+ break;
+ }
+ }
+ } else if (sibling->y > parent->y) {
+ double pixels = -1 * amount;
+ pixels /= tnumber;
+ if (bnumber) {
+ if ((sibling->height + pixels/2) < min_sane_h) {
+ valid = false;
+ break;
+ }
+ } else {
+ if ((sibling->height + pixels) < min_sane_h) {
+ valid = false;
+ break;
+ }
+ }
+ }
+ } else {
+ double pixels = amount;
+ if (parent->height + pixels < min_sane_h) {
+ valid = false;
+ break;
+ }
+ }
+ }
+ if (valid) {
+ for (i = 0; i < parent->parent->children->length; i++) {
+ sibling = parent->parent->children->items[i];
+ if (sibling->y != focused->y) {
+ if (sibling->y < parent->y) {
+ double pixels = -1 * amount;
+ pixels /= bnumber;
+ if (tnumber) {
+ recursive_resize(sibling, pixels/2, WLC_RESIZE_EDGE_BOTTOM);
+ } else {
+ recursive_resize(sibling, pixels, WLC_RESIZE_EDGE_BOTTOM);
+ }
+ } else if (sibling->x > parent->x) {
+ double pixels = -1 * amount;
+ pixels /= tnumber;
+ if (bnumber) {
+ recursive_resize(sibling, pixels/2, WLC_RESIZE_EDGE_TOP);
+ } else {
+ recursive_resize(sibling, pixels, WLC_RESIZE_EDGE_TOP);
+ }
+ }
+ } else {
+ if (bnumber != 0 && tnumber != 0) {
+ double pixels = amount/2;
+ recursive_resize(parent, pixels, WLC_RESIZE_EDGE_TOP);
+ recursive_resize(parent, pixels, WLC_RESIZE_EDGE_BOTTOM);
+ } else if (tnumber) {
+ recursive_resize(parent, amount, WLC_RESIZE_EDGE_TOP);
+ } else if (bnumber) {
+ recursive_resize(parent, amount, WLC_RESIZE_EDGE_BOTTOM);
+ }
+ }
+ }
+ arrange_windows(swayc_active_workspace(), -1, -1);
+ }
+ return true;
+ }
+ return true;
+}
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