Brian Ashworth
6 years ago
committed by
GitHub
commit
30dbb8eba0
@ -0,0 +1,49 @@
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#ifndef _SWAYBAR_INPUT_H
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#define _SWAYBAR_INPUT_H
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#include <wayland-client.h>
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#include "list.h"
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struct swaybar_output;
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struct swaybar_pointer {
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struct wl_pointer *pointer;
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struct wl_cursor_theme *cursor_theme;
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struct wl_cursor_image *cursor_image;
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struct wl_surface *cursor_surface;
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struct swaybar_output *current;
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int x, y;
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};
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enum x11_button {
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NONE,
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LEFT,
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MIDDLE,
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RIGHT,
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SCROLL_UP,
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SCROLL_DOWN,
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SCROLL_LEFT,
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SCROLL_RIGHT,
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BACK,
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FORWARD,
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};
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enum hotspot_event_handling {
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HOTSPOT_IGNORE,
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HOTSPOT_PROCESS,
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};
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struct swaybar_hotspot {
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struct wl_list link; // swaybar_output::hotspots
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int x, y, width, height;
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enum hotspot_event_handling (*callback)(struct swaybar_output *output,
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int x, int y, enum x11_button button, void *data);
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void (*destroy)(void *data);
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void *data;
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};
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extern const struct wl_seat_listener seat_listener;
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void free_hotspots(struct wl_list *list);
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#endif
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@ -0,0 +1,286 @@
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#include <assert.h>
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#ifdef __FreeBSD__
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#include <dev/evdev/input-event-codes.h>
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#else
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#include <linux/input-event-codes.h>
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#endif
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#include <wayland-client.h>
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#include <wayland-cursor.h>
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#include <wlr/util/log.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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static enum x11_button wl_button_to_x11_button(uint32_t button) {
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switch (button) {
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case BTN_LEFT:
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return LEFT;
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case BTN_MIDDLE:
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return MIDDLE;
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case BTN_RIGHT:
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return RIGHT;
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case BTN_SIDE:
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return BACK;
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case BTN_EXTRA:
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return FORWARD;
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default:
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return NONE;
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}
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}
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static enum x11_button wl_axis_to_x11_button(uint32_t axis, wl_fixed_t value) {
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switch (axis) {
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case WL_POINTER_AXIS_VERTICAL_SCROLL:
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return wl_fixed_to_double(value) < 0 ? SCROLL_UP : SCROLL_DOWN;
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case WL_POINTER_AXIS_HORIZONTAL_SCROLL:
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return wl_fixed_to_double(value) < 0 ? SCROLL_LEFT : SCROLL_RIGHT;
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default:
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wlr_log(WLR_DEBUG, "Unexpected axis value on mouse scroll");
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return NONE;
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}
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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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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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int max_scale = 1;
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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->scale > max_scale) {
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max_scale = _output->scale;
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}
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}
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wl_surface_set_buffer_scale(pointer->cursor_surface, max_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(wl_pointer, serial, pointer->cursor_surface,
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pointer->cursor_image->hotspot_x / max_scale,
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pointer->cursor_image->hotspot_y / max_scale);
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wl_surface_commit(pointer->cursor_surface);
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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 x11_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 == x11_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, wl_button_to_x11_button(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, pointer->x, pointer->y,
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wl_button_to_x11_button(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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if (check_bindings(bar, wl_axis_to_x11_button(axis, value),
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WL_POINTER_BUTTON_STATE_PRESSED)) {
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check_bindings(bar, wl_axis_to_x11_button(axis, value),
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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(
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output, pointer->x, pointer->y,
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wl_axis_to_x11_button(axis, value), hotspot->data)) {
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return;
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}
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}
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}
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double amt = wl_fixed_to_double(value);
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if (amt == 0.0) {
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return;
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}
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// last doesn't actually need initialization,
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// but gcc (7.3.1) is too dumb to figure it out
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struct swaybar_workspace *first = NULL;
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struct swaybar_workspace *active = NULL;
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struct swaybar_workspace *last = NULL;
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struct swaybar_workspace *iter;
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wl_list_for_each(iter, &output->workspaces, link) {
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if (!first) {
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first = iter;
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}
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if (iter->visible) {
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active = iter;
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}
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last = iter;
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}
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if (!sway_assert(active, "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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if (!bar->config->wrap_scroll) {
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return;
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}
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new = last;
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}
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new = wl_container_of(active->link.prev, new, link);
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} else {
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if (active == last) {
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if (!bar->config->wrap_scroll) {
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return;
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}
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new = first;
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}
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new = wl_container_of(active->link.next, new, link);
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}
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ipc_send_workspace_command(bar, new->name);
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// Check button release bindings
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check_bindings(bar, wl_axis_to_x11_button(axis, value),
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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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