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https://github.com/swaywm/sway.git
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1211a81aad
This commit mostly duplicates the wlr_log functions, although with a sway_* prefix. (This is very similar to PR #2009.) However, the logging function no longer needs to be replaceable, so sway_log_init's second argument is used to set the exit callback for sway_abort. wlr_log_init is still invoked in sway/main.c This commit makes it easier to remove the wlroots dependency for the helper programs swaymsg, swaybg, swaybar, and swaynag.
292 lines
8.1 KiB
C
292 lines
8.1 KiB
C
#include <assert.h>
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#include <linux/input-event-codes.h>
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#include <stdlib.h>
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#include <wayland-client.h>
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#include <wayland-cursor.h>
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#include "list.h"
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#include "log.h"
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#include "swaybar/bar.h"
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#include "swaybar/config.h"
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#include "swaybar/input.h"
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#include "swaybar/ipc.h"
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void free_hotspots(struct wl_list *list) {
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struct swaybar_hotspot *hotspot, *tmp;
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wl_list_for_each_safe(hotspot, tmp, list, link) {
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wl_list_remove(&hotspot->link);
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if (hotspot->destroy) {
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hotspot->destroy(hotspot->data);
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}
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free(hotspot);
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}
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}
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uint32_t event_to_x11_button(uint32_t event) {
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switch (event) {
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case BTN_LEFT:
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return 1;
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case BTN_MIDDLE:
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return 2;
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case BTN_RIGHT:
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return 3;
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case SWAY_SCROLL_UP:
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return 4;
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case SWAY_SCROLL_DOWN:
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return 5;
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case SWAY_SCROLL_LEFT:
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return 6;
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case SWAY_SCROLL_RIGHT:
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return 7;
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case BTN_SIDE:
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return 8;
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case BTN_EXTRA:
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return 9;
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default:
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return 0;
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}
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}
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static uint32_t wl_axis_to_button(uint32_t axis, wl_fixed_t value) {
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bool negative = wl_fixed_to_double(value) < 0;
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switch (axis) {
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case WL_POINTER_AXIS_VERTICAL_SCROLL:
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return negative ? SWAY_SCROLL_UP : SWAY_SCROLL_DOWN;
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case WL_POINTER_AXIS_HORIZONTAL_SCROLL:
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return negative ? SWAY_SCROLL_LEFT : SWAY_SCROLL_RIGHT;
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default:
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sway_log(SWAY_DEBUG, "Unexpected axis value on mouse scroll");
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return 0;
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}
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}
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void update_cursor(struct swaybar *bar) {
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struct swaybar_pointer *pointer = &bar->pointer;
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if (pointer->cursor_theme) {
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wl_cursor_theme_destroy(pointer->cursor_theme);
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}
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int scale = pointer->current ? pointer->current->scale : 1;
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pointer->cursor_theme = wl_cursor_theme_load(NULL, 24 * scale, bar->shm);
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struct wl_cursor *cursor;
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cursor = wl_cursor_theme_get_cursor(pointer->cursor_theme, "left_ptr");
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pointer->cursor_image = cursor->images[0];
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wl_surface_set_buffer_scale(pointer->cursor_surface, scale);
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wl_surface_attach(pointer->cursor_surface,
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wl_cursor_image_get_buffer(pointer->cursor_image), 0, 0);
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wl_pointer_set_cursor(pointer->pointer, pointer->serial,
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pointer->cursor_surface,
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pointer->cursor_image->hotspot_x / scale,
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pointer->cursor_image->hotspot_y / scale);
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wl_surface_damage_buffer(pointer->cursor_surface, 0, 0,
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INT32_MAX, INT32_MAX);
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wl_surface_commit(pointer->cursor_surface);
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}
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static void wl_pointer_enter(void *data, struct wl_pointer *wl_pointer,
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uint32_t serial, struct wl_surface *surface,
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wl_fixed_t surface_x, wl_fixed_t surface_y) {
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struct swaybar *bar = data;
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struct swaybar_pointer *pointer = &bar->pointer;
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pointer->serial = serial;
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struct swaybar_output *output;
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wl_list_for_each(output, &bar->outputs, link) {
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if (output->surface == surface) {
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pointer->current = output;
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break;
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}
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}
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update_cursor(bar);
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}
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static void wl_pointer_leave(void *data, struct wl_pointer *wl_pointer,
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uint32_t serial, struct wl_surface *surface) {
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struct swaybar *bar = data;
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bar->pointer.current = NULL;
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}
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static void wl_pointer_motion(void *data, struct wl_pointer *wl_pointer,
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uint32_t time, wl_fixed_t surface_x, wl_fixed_t surface_y) {
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struct swaybar *bar = data;
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bar->pointer.x = wl_fixed_to_int(surface_x);
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bar->pointer.y = wl_fixed_to_int(surface_y);
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}
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static bool check_bindings(struct swaybar *bar, uint32_t button,
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uint32_t state) {
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bool released = state == WL_POINTER_BUTTON_STATE_RELEASED;
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for (int i = 0; i < bar->config->bindings->length; i++) {
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struct swaybar_binding *binding = bar->config->bindings->items[i];
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if (binding->button == button && binding->release == released) {
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ipc_execute_binding(bar, binding);
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return true;
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}
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}
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return false;
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}
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static void wl_pointer_button(void *data, struct wl_pointer *wl_pointer,
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uint32_t serial, uint32_t time, uint32_t button, uint32_t state) {
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struct swaybar *bar = data;
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struct swaybar_pointer *pointer = &bar->pointer;
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struct swaybar_output *output = pointer->current;
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if (!sway_assert(output, "button with no active output")) {
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return;
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}
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if (check_bindings(bar, button, state)) {
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return;
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}
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if (state != WL_POINTER_BUTTON_STATE_PRESSED) {
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return;
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}
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struct swaybar_hotspot *hotspot;
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wl_list_for_each(hotspot, &output->hotspots, link) {
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double x = pointer->x * output->scale;
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double y = pointer->y * output->scale;
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if (x >= hotspot->x
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&& y >= hotspot->y
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&& x < hotspot->x + hotspot->width
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&& y < hotspot->y + hotspot->height) {
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if (HOTSPOT_IGNORE == hotspot->callback(output, hotspot,
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pointer->x, pointer->y, button, hotspot->data)) {
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return;
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}
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}
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}
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}
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static void wl_pointer_axis(void *data, struct wl_pointer *wl_pointer,
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uint32_t time, uint32_t axis, wl_fixed_t value) {
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struct swaybar *bar = data;
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struct swaybar_pointer *pointer = &bar->pointer;
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struct swaybar_output *output = pointer->current;
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if (!sway_assert(output, "axis with no active output")) {
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return;
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}
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// If there is a button press binding, execute it, skip default behavior,
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// and check button release bindings
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uint32_t button = wl_axis_to_button(axis, value);
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if (check_bindings(bar, button, WL_POINTER_BUTTON_STATE_PRESSED)) {
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check_bindings(bar, button, WL_POINTER_BUTTON_STATE_RELEASED);
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return;
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}
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struct swaybar_hotspot *hotspot;
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wl_list_for_each(hotspot, &output->hotspots, link) {
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double x = pointer->x * output->scale;
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double y = pointer->y * output->scale;
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if (x >= hotspot->x
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&& y >= hotspot->y
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&& x < hotspot->x + hotspot->width
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&& y < hotspot->y + hotspot->height) {
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if (HOTSPOT_IGNORE == hotspot->callback(output, hotspot,
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pointer->x, pointer->y, button, hotspot->data)) {
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return;
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}
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}
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}
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struct swaybar_config *config = bar->config;
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double amt = wl_fixed_to_double(value);
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if (amt == 0.0 || !config->workspace_buttons) {
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check_bindings(bar, button, WL_POINTER_BUTTON_STATE_RELEASED);
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return;
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}
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if (!sway_assert(!wl_list_empty(&output->workspaces), "axis with no workspaces")) {
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return;
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}
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struct swaybar_workspace *first =
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wl_container_of(output->workspaces.next, first, link);
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struct swaybar_workspace *last =
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wl_container_of(output->workspaces.prev, last, link);
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struct swaybar_workspace *active;
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wl_list_for_each(active, &output->workspaces, link) {
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if (active->visible) {
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break;
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}
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}
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if (!sway_assert(active->visible, "axis with null workspace")) {
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return;
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}
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struct swaybar_workspace *new;
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if (amt < 0.0) {
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if (active == first) {
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new = config->wrap_scroll ? last : NULL;
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} else {
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new = wl_container_of(active->link.prev, new, link);
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}
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} else {
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if (active == last) {
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new = config->wrap_scroll ? first : NULL;
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} else {
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new = wl_container_of(active->link.next, new, link);
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}
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}
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if (new) {
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ipc_send_workspace_command(bar, new->name);
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}
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// Check button release bindings
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check_bindings(bar, button, WL_POINTER_BUTTON_STATE_RELEASED);
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}
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static void wl_pointer_frame(void *data, struct wl_pointer *wl_pointer) {
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// Who cares
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}
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static void wl_pointer_axis_source(void *data, struct wl_pointer *wl_pointer,
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uint32_t axis_source) {
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// Who cares
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}
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static void wl_pointer_axis_stop(void *data, struct wl_pointer *wl_pointer,
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uint32_t time, uint32_t axis) {
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// Who cares
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}
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static void wl_pointer_axis_discrete(void *data, struct wl_pointer *wl_pointer,
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uint32_t axis, int32_t discrete) {
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// Who cares
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}
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struct wl_pointer_listener pointer_listener = {
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.enter = wl_pointer_enter,
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.leave = wl_pointer_leave,
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.motion = wl_pointer_motion,
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.button = wl_pointer_button,
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.axis = wl_pointer_axis,
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.frame = wl_pointer_frame,
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.axis_source = wl_pointer_axis_source,
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.axis_stop = wl_pointer_axis_stop,
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.axis_discrete = wl_pointer_axis_discrete,
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};
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static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
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enum wl_seat_capability caps) {
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struct swaybar *bar = data;
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if (bar->pointer.pointer != NULL) {
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wl_pointer_release(bar->pointer.pointer);
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bar->pointer.pointer = NULL;
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}
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if ((caps & WL_SEAT_CAPABILITY_POINTER)) {
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bar->pointer.pointer = wl_seat_get_pointer(wl_seat);
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wl_pointer_add_listener(bar->pointer.pointer, &pointer_listener, bar);
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}
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}
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static void seat_handle_name(void *data, struct wl_seat *wl_seat,
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const char *name) {
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// Who cares
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}
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const struct wl_seat_listener seat_listener = {
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.capabilities = seat_handle_capabilities,
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.name = seat_handle_name,
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};
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