diff options
Diffstat (limited to 'sway/old/commands/resize.c')
| -rw-r--r-- | sway/old/commands/resize.c | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/sway/old/commands/resize.c b/sway/old/commands/resize.c new file mode 100644 index 00000000..ef52bb07 --- /dev/null +++ b/sway/old/commands/resize.c @@ -0,0 +1,375 @@ +#include <errno.h> +#include <math.h> +#include <stdbool.h> +#include <stdlib.h> +#include <string.h> +#include <strings.h> +#include <wlc/wlc.h> +#include "sway/commands.h" +#include "sway/layout.h" +#include "sway/focus.h" +#include "sway/input_state.h" +#include "sway/handlers.h" +#include "log.h" + +enum resize_dim_types { + RESIZE_DIM_PX, + RESIZE_DIM_PPT, + RESIZE_DIM_DEFAULT, +}; + +static bool set_size_floating(int new_dimension, bool use_width) { + swayc_t *view = current_container; + if (view) { + if (use_width) { + int current_width = view->width; + view->desired_width = new_dimension; + floating_view_sane_size(view); + + int new_x = view->x + (int)(((view->desired_width - current_width) / 2) * -1); + view->width = view->desired_width; + view->x = new_x; + + update_geometry(view); + } else { + int current_height = view->height; + view->desired_height = new_dimension; + floating_view_sane_size(view); + + int new_y = view->y + (int)(((view->desired_height - current_height) / 2) * -1); + view->height = view->desired_height; + view->y = new_y; + + update_geometry(view); + } + + return true; + } + + return false; +} + +static bool resize_floating(int amount, bool use_width) { + swayc_t *view = current_container; + + if (view) { + if (use_width) { + return set_size_floating(view->width + amount, true); + } else { + return set_size_floating(view->height + amount, false); + } + } + + return false; +} + +static bool resize_tiled(int amount, bool use_width) { + swayc_t *container = current_container; + swayc_t *parent = container->parent; + int idx_focused = 0; + bool use_major = false; + size_t nb_before = 0; + size_t nb_after = 0; + + // 1. Identify a container ancestor that will allow the focused child to grow in the requested + // direction. + while (container->parent) { + parent = container->parent; + if ((parent->children && parent->children->length > 1) + && (is_auto_layout(parent->layout) + || (use_width ? parent->layout == L_HORIZ : parent->layout == L_VERT))) { + // check if container has siblings that can provide/absorb the space needed for + // the resize operation. + use_major = use_width + ? parent->layout == L_AUTO_LEFT || parent->layout == L_AUTO_RIGHT + : parent->layout == L_AUTO_TOP || parent->layout == L_AUTO_BOTTOM; + // Note: use_major will be false for L_HORIZ and L_VERT + + idx_focused = index_child(container); + if (idx_focused < 0) { + sway_log(L_ERROR, "Something weird is happening, child container not " + "present in its parent's children list."); + continue; + } + if (use_major) { + nb_before = auto_group_index(parent, idx_focused); + nb_after = auto_group_count(parent) - nb_before - 1; + } else { + nb_before = idx_focused - auto_group_start_index(parent, idx_focused); + nb_after = auto_group_end_index(parent, idx_focused) - idx_focused - 1; + sway_log(L_DEBUG, "+++ focused: %d, start: %d, end: %d, before: %d, after: %d", + idx_focused, + (int)auto_group_start_index(parent, idx_focused), + (int)auto_group_end_index(parent, idx_focused), + (int)nb_before, (int)nb_after); + + } + if (nb_before || nb_after) { + break; + } + } + container = parent; /* continue up the tree to the next ancestor */ + } + if (parent == &root_container) { + return true; + } + sway_log(L_DEBUG, "Found the proper parent: %p. It has %zu before conts, " + "and %zu after conts", parent, nb_before, nb_after); + // 2. Ensure that the resize operation will not make one of the resized containers drop + // below the "sane" size threshold. + bool valid = true; + swayc_t *focused = parent->children->items[idx_focused]; + int start = use_major ? 0 : auto_group_start_index(parent, idx_focused); + int end = use_major ? parent->children->length : auto_group_end_index(parent, idx_focused); + sway_log(L_DEBUG, "Check children of container %p [%d,%d[", container, start, end); + for (int i = start; i < end; ) { + swayc_t *sibling = parent->children->items[i]; + double pixels = amount; + bool is_before = use_width ? sibling->x < focused->x : sibling->y < focused->y; + bool is_after = use_width ? sibling->x > focused->x : sibling->y > focused->y; + if (is_before || is_after) { + pixels = -pixels; + pixels /= is_before ? nb_before : nb_after; + if (nb_after != 0 && nb_before != 0) { + pixels /= 2; + } + } + sway_log(L_DEBUG, "Check container %p: width %g vs %d, height %g vs %d", sibling, sibling->width + pixels, min_sane_w, sibling->height + pixels, min_sane_h); + if (use_width ? + sibling->width + pixels < min_sane_w : + sibling->height + pixels < min_sane_h) { + valid = false; + sway_log(L_DEBUG, "Container size no longer sane"); + break; + } + i = use_major ? auto_group_end_index(parent, i) : (i + 1); + sway_log(L_DEBUG, "+++++ check %i", i); + } + // 3. Apply the size change + if (valid) { + for (int i = start; i < end; ) { + int next_i = use_major ? auto_group_end_index(parent, i) : (i + 1); + swayc_t *sibling = parent->children->items[i]; + double pixels = amount; + bool is_before = use_width ? sibling->x < focused->x : sibling->y < focused->y; + bool is_after = use_width ? sibling->x > focused->x : sibling->y > focused->y; + if (is_before || is_after) { + pixels = -pixels; + pixels /= is_before ? nb_before : nb_after; + if (nb_after != 0 && nb_before != 0) { + pixels /= 2; + } + sway_log(L_DEBUG, "%p: %s", sibling, is_before ? "before" : "after"); + if (use_major) { + for (int j = i; j < next_i; ++j) { + recursive_resize(parent->children->items[j], pixels, + use_width ? + (is_before ? WLC_RESIZE_EDGE_RIGHT : WLC_RESIZE_EDGE_LEFT) : + (is_before ? WLC_RESIZE_EDGE_BOTTOM : WLC_RESIZE_EDGE_TOP)); + } + } else { + recursive_resize(sibling, pixels, + use_width ? + (is_before ? WLC_RESIZE_EDGE_RIGHT : WLC_RESIZE_EDGE_LEFT) : + (is_before ? WLC_RESIZE_EDGE_BOTTOM : WLC_RESIZE_EDGE_TOP)); + } + } else { + if (use_major) { + for (int j = i; j < next_i; ++j) { + recursive_resize(parent->children->items[j], pixels / 2, + use_width ? WLC_RESIZE_EDGE_LEFT : WLC_RESIZE_EDGE_TOP); + recursive_resize(parent->children->items[j], pixels / 2, + use_width ? WLC_RESIZE_EDGE_RIGHT : WLC_RESIZE_EDGE_BOTTOM); + } + } else { + recursive_resize(sibling, pixels / 2, + use_width ? WLC_RESIZE_EDGE_LEFT : WLC_RESIZE_EDGE_TOP); + recursive_resize(sibling, pixels / 2, + use_width ? WLC_RESIZE_EDGE_RIGHT : WLC_RESIZE_EDGE_BOTTOM); + } + } + i = next_i; + } + // Recursive resize does not handle positions, let arrange_windows + // take care of that. + arrange_windows(swayc_active_workspace(), -1, -1); + } + return true; +} + +static bool set_size_tiled(int amount, bool use_width) { + int desired; + swayc_t *focused = current_container; + + if (use_width) { + desired = amount - focused->width; + } else { + desired = amount - focused->height; + } + + return resize_tiled(desired, use_width); +} + +static bool set_size(int dimension, bool use_width) { + swayc_t *focused = current_container; + + if (focused) { + if (focused->is_floating) { + return set_size_floating(dimension, use_width); + } else { + return set_size_tiled(dimension, use_width); + } + } + + return false; +} + +static bool resize(int dimension, bool use_width, enum resize_dim_types dim_type) { + swayc_t *focused = current_container; + + // translate "10 ppt" (10%) to appropriate # of pixels in case we need it + float ppt_dim = (float)dimension / 100; + + if (use_width) { + ppt_dim = focused->width * ppt_dim; + } else { + ppt_dim = focused->height * ppt_dim; + } + + if (focused) { + if (focused->is_floating) { + // floating view resize dimensions should default to px, so only + // use ppt if specified + if (dim_type == RESIZE_DIM_PPT) { + dimension = (int)ppt_dim; + } + + return resize_floating(dimension, use_width); + } else { + // tiled view resize dimensions should default to ppt, so only use + // px if specified + if (dim_type != RESIZE_DIM_PX) { + dimension = (int)ppt_dim; + } + + return resize_tiled(dimension, use_width); + } + } + + return false; +} + +static struct cmd_results *cmd_resize_set(int argc, char **argv) { + struct cmd_results *error = NULL; + if ((error = checkarg(argc, "resize set", EXPECTED_AT_LEAST, 2))) { + return error; + } + + if (strcasecmp(argv[0], "width") == 0 || strcasecmp(argv[0], "height") == 0) { + // handle `reset set width 100 px height 100 px` syntax, also allows + // specifying only one dimension for a `resize set` + int cmd_num = 0; + int dim; + + while ((cmd_num + 1) < argc) { + dim = (int)strtol(argv[cmd_num + 1], NULL, 10); + if (errno == ERANGE || dim == 0) { + errno = 0; + return cmd_results_new(CMD_INVALID, "resize set", + "Expected 'resize set <width|height> <amount> [px] [<width|height> <amount> [px]]'"); + } + + if (strcasecmp(argv[cmd_num], "width") == 0) { + set_size(dim, true); + } else if (strcasecmp(argv[cmd_num], "height") == 0) { + set_size(dim, false); + } else { + return cmd_results_new(CMD_INVALID, "resize set", + "Expected 'resize set <width|height> <amount> [px] [<width|height> <amount> [px]]'"); + } + + cmd_num += 2; + + if (cmd_num < argc && strcasecmp(argv[cmd_num], "px") == 0) { + // if this was `resize set width 400 px height 300 px`, disregard the `px` arg + cmd_num++; + } + } + } else { + // handle `reset set 100 px 100 px` syntax + int width = (int)strtol(argv[0], NULL, 10); + if (errno == ERANGE || width == 0) { + errno = 0; + return cmd_results_new(CMD_INVALID, "resize set", + "Expected 'resize set <width> [px] <height> [px]'"); + } + + int height_arg = 1; + if (strcasecmp(argv[1], "px") == 0) { + height_arg = 2; + } + + int height = (int)strtol(argv[height_arg], NULL, 10); + if (errno == ERANGE || height == 0) { + errno = 0; + return cmd_results_new(CMD_INVALID, "resize set", + "Expected 'resize set <width> [px] <height> [px]'"); + } + + set_size(width, true); + set_size(height, false); + } + + return cmd_results_new(CMD_SUCCESS, NULL, NULL); +} + +struct cmd_results *cmd_resize(int argc, char **argv) { + struct cmd_results *error = NULL; + if (config->reading) return cmd_results_new(CMD_FAILURE, "resize", "Can't be used in config file."); + if (!config->active) return cmd_results_new(CMD_FAILURE, "resize", "Can only be used when sway is running."); + + if (strcasecmp(argv[0], "set") == 0) { + return cmd_resize_set(argc - 1, &argv[1]); + } + + if ((error = checkarg(argc, "resize", EXPECTED_AT_LEAST, 2))) { + return error; + } + + int dim_arg = argc - 1; + + enum resize_dim_types dim_type = RESIZE_DIM_DEFAULT; + if (strcasecmp(argv[dim_arg], "ppt") == 0) { + dim_type = RESIZE_DIM_PPT; + dim_arg--; + } else if (strcasecmp(argv[dim_arg], "px") == 0) { + dim_type = RESIZE_DIM_PX; + dim_arg--; + } + + int amount = (int)strtol(argv[dim_arg], NULL, 10); + if (errno == ERANGE || amount == 0) { + errno = 0; + amount = 10; // this is the default resize dimension used by i3 for both px and ppt + sway_log(L_DEBUG, "Tried to get resize dimension out of '%s' but failed; setting dimension to default %d", + argv[dim_arg], amount); + } + + bool use_width = false; + if (strcasecmp(argv[1], "width") == 0) { + use_width = true; + } else if (strcasecmp(argv[1], "height") != 0) { + return cmd_results_new(CMD_INVALID, "resize", + "Expected 'resize <shrink|grow> <width|height> [<amount>] [px|ppt]'"); + } + + if (strcasecmp(argv[0], "shrink") == 0) { + amount *= -1; + } else if (strcasecmp(argv[0], "grow") != 0) { + return cmd_results_new(CMD_INVALID, "resize", + "Expected 'resize <shrink|grow> <width|height> [<amount>] [px|ppt]'"); + } + + resize(amount, use_width, dim_type); + return cmd_results_new(CMD_SUCCESS, NULL, NULL); +} |