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Code from github.com/chayleaf/rofi/tree/mobile with changes requested…
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… on PR lbonn#143
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@in0ni
in0ni committed Oct 27, 2024
1 parent 142e780 commit 18db5b1
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Showing 2 changed files with 172 additions and 39 deletions.
7 changes: 7 additions & 0 deletions include/wayland-internal.h
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Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,8 @@ typedef struct {
uint32_t layer_height;
} wayland_stuff;

#define MAX_TOUCHPOINTS 10

struct _wayland_seat {
wayland_stuff *context;
uint32_t global_name;
Expand All @@ -102,6 +104,11 @@ struct _wayland_seat {
uint32_t pointer_serial;
struct wl_keyboard *keyboard;
struct wl_pointer *pointer;
struct wl_touch *touch;
struct {
int32_t x, start_y, move_y;
uint32_t start_time, move_time;
} touches[MAX_TOUCHPOINTS];

#ifdef HAVE_WAYLAND_CURSOR_SHAPE
struct wp_cursor_shape_device_v1 *cursor_shape_device;
Expand Down
204 changes: 165 additions & 39 deletions source/wayland/display.c
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Original file line number Diff line number Diff line change
Expand Up @@ -63,9 +63,9 @@
#ifdef HAVE_WAYLAND_CURSOR_SHAPE
#include "cursor-shape-v1-protocol.h"
#endif
#include "keyboard-shortcuts-inhibit-unstable-v1-protocol.h"
#include "primary-selection-unstable-v1-protocol.h"
#include "wlr-layer-shell-unstable-v1-protocol.h"
#include "keyboard-shortcuts-inhibit-unstable-v1-protocol.h"

#define wayland_output_get_dpi(output, scale, dimension) \
((output)->current.physical_##dimension > 0 && (scale) > 0 \
Expand Down Expand Up @@ -152,8 +152,7 @@ static void wayland_buffer_release(void *data, struct wl_buffer *buffer) {
}

static const struct wl_buffer_listener wayland_buffer_listener = {
wayland_buffer_release
};
wayland_buffer_release};

wayland_buffer_pool *display_buffer_pool_new(gint width, gint height) {
struct wl_shm_pool *wl_pool;
Expand Down Expand Up @@ -531,6 +530,107 @@ static const struct wl_keyboard_listener wayland_keyboard_listener = {
.repeat_info = wayland_keyboard_repeat_info,
};

static void wayland_touch_down(void *data, struct wl_touch *wl_touch,
uint32_t serial, uint32_t time,
struct wl_surface *wl_surface, int32_t id,
wl_fixed_t surface_x, wl_fixed_t surface_y) {
wayland_seat *self = data;
if (id >= MAX_TOUCHPOINTS) {
return;
}
self->touches[id].x = wl_fixed_to_int(surface_x);
self->touches[id].start_y = self->touches[id].move_y =
wl_fixed_to_int(surface_y);
self->touches[id].start_time = self->touches[id].move_time = time;
RofiViewState *state = rofi_view_get_active();

if (state == NULL) {
return;
}
rofi_view_handle_mouse_motion(state, self->touches[id].x,
self->touches[id].start_y, FALSE);
}

static void wayland_touch_up(void *data, struct wl_touch *wl_touch,
uint32_t serial, uint32_t time, int32_t id) {
wayland_seat *self = data;
int key = KEY_ENTER;
int long_press_threshold = 200;
if (id >= MAX_TOUCHPOINTS) {
return;
}
gboolean has_moved =
self->touches[id].start_time != self->touches[id].move_time;
if (has_moved) {
return;
}
RofiViewState *state = rofi_view_get_active();

if (state == NULL) {
return;
}
if (time - self->touches[id].start_time > long_press_threshold) {
key = KEY_ESC;
}
nk_bindings_seat_handle_key(wayland->bindings_seat, NULL, key + 8,
NK_BINDINGS_KEY_STATE_PRESS);
rofi_view_maybe_update(state);
}

// TODO: make sensitivity parametrizable
static int32_t y_offset_to_line_offset(int32_t y_offset) {
static const int32_t line_height = 20;
return -(y_offset / line_height);
}

static void wayland_touch_motion(void *data, struct wl_touch *wl_touch,
uint32_t time, int32_t id,
wl_fixed_t surface_x, wl_fixed_t surface_y) {
wayland_seat *self = data;
if (id >= MAX_TOUCHPOINTS) {
return;
}
RofiViewState *state = rofi_view_get_active();

if (state == NULL) {
return;
}
int32_t x = wl_fixed_to_int(surface_x);
int32_t y = wl_fixed_to_int(surface_y);

int last_pos = y_offset_to_line_offset(self->touches[id].move_y -
self->touches[id].start_y);
int cur_pos = y_offset_to_line_offset(y - self->touches[id].start_y);

if (cur_pos != last_pos) {
nk_bindings_seat_handle_scroll(wayland->bindings_seat, NULL,
NK_BINDINGS_SCROLL_AXIS_VERTICAL,
cur_pos - last_pos);
self->touches[id].x = x;
self->touches[id].move_y = y;
self->touches[id].move_time = time;
rofi_view_maybe_update(state);
}
}

static void wayland_touch_frame(void *data, struct wl_touch *wl_touch) {}
static void wayland_touch_cancel(void *data, struct wl_touch *wl_touch) {}
static void wayland_touch_shape(void *data, struct wl_touch *wl_touch,
int32_t id, wl_fixed_t major,
wl_fixed_t minor) {}
static void wayland_touch_orientation(void *data, struct wl_touch *wl_touch,
int32_t id, wl_fixed_t orientation) {}

static const struct wl_touch_listener wayland_touch_listener = {
.down = wayland_touch_down,
.up = wayland_touch_up,
.motion = wayland_touch_motion,
.frame = wayland_touch_frame,
.cancel = wayland_touch_cancel,
.shape = wayland_touch_shape,
.orientation = wayland_touch_orientation,
};

static gboolean wayland_cursor_reload_theme(guint scale);

static void wayland_cursor_set_image(int i) {
Expand Down Expand Up @@ -864,11 +964,9 @@ static void wayland_pointer_axis_discrete(void *data,
}

#ifdef WL_POINTER_AXIS_VALUE120_SINCE_VERSION
static void wayland_pointer_axis120(void *data,
struct wl_pointer *wl_pointer,
enum wl_pointer_axis axis,
int32_t value120)
{
static void wayland_pointer_axis120(void *data, struct wl_pointer *wl_pointer,
enum wl_pointer_axis axis,
int32_t value120) {
wayland_seat *self = data;

switch (axis) {
Expand Down Expand Up @@ -929,8 +1027,9 @@ static gboolean clipboard_read_glib_callback(GIOChannel *channel,
struct clipboard_read_info *info = opaque;
gsize read;

GIOStatus status = g_io_channel_read_chars(channel, info->buffer + info->size,
CLIPBOARD_READ_INCREMENT, &read, NULL);
GIOStatus status =
g_io_channel_read_chars(channel, info->buffer + info->size,
CLIPBOARD_READ_INCREMENT, &read, NULL);
switch (status) {
case G_IO_STATUS_AGAIN:
return TRUE;
Expand All @@ -953,7 +1052,7 @@ static gboolean clipboard_read_glib_callback(GIOChannel *channel,
info->buffer[info->size] = '\0';
if (status == G_IO_STATUS_EOF) {
info->callback(info->buffer, info->user_data);
} else { // G_IO_STATUS_ERROR
} else { // G_IO_STATUS_ERROR
g_warning("Could not read data from clipboard");
g_free(info->buffer);
}
Expand All @@ -965,7 +1064,8 @@ static gboolean clipboard_read_glib_callback(GIOChannel *channel,
}
}

static gboolean clipboard_read_data(int fd, ClipboardCb callback, void *user_data) {
static gboolean clipboard_read_data(int fd, ClipboardCb callback,
void *user_data) {
GIOChannel *channel = g_io_channel_unix_new(fd);

struct clipboard_read_info *info = g_malloc(sizeof *info);
Expand Down Expand Up @@ -1016,23 +1116,25 @@ static void data_device_handle_data_offer(void *data,
wl_data_offer_add_listener(offer, &data_offer_listener, NULL);
}

static void data_device_handle_enter(void *data, struct wl_data_device *wl_data_device,
uint32_t serial, struct wl_surface *surface,
wl_fixed_t x, wl_fixed_t y,
struct wl_data_offer *id) {
}
static void data_device_handle_enter(void *data,
struct wl_data_device *wl_data_device,
uint32_t serial,
struct wl_surface *surface, wl_fixed_t x,
wl_fixed_t y, struct wl_data_offer *id) {}

static void data_device_handle_leave(void *data, struct wl_data_device *wl_data_device) {
}
static void data_device_handle_leave(void *data,
struct wl_data_device *wl_data_device) {}

static void data_device_handle_motion(void *data, struct wl_data_device *wl_data_device,
uint32_t time, wl_fixed_t x, wl_fixed_t y) {
}
static void data_device_handle_motion(void *data,
struct wl_data_device *wl_data_device,
uint32_t time, wl_fixed_t x,
wl_fixed_t y) {}

static void data_device_handle_drop(void *data, struct wl_data_device *wl_data_device) {
}
static void data_device_handle_drop(void *data,
struct wl_data_device *wl_data_device) {}

static void clipboard_handle_selection(enum clipboard_type cb_type, void *offer) {
static void clipboard_handle_selection(enum clipboard_type cb_type,
void *offer) {
clipboard_data *clipboard = &wayland->clipboards[cb_type];

if (clipboard->offer != NULL) {
Expand All @@ -1043,7 +1145,6 @@ static void clipboard_handle_selection(enum clipboard_type cb_type, void *offer)
}
}
clipboard->offer = offer;

}

static void data_device_handle_selection(void *data,
Expand Down Expand Up @@ -1107,9 +1208,20 @@ static void wayland_pointer_release(wayland_seat *self) {
self->pointer = NULL;
}

static void wayland_touch_release(wayland_seat *self) {
if (self->touch == NULL) {
return;
}

wl_touch_release(self->touch);

self->touch = NULL;
}

static void wayland_seat_release(wayland_seat *self) {
wayland_keyboard_release(self);
wayland_pointer_release(self);
wayland_touch_release(self);

wl_seat_release(self->seat);

Expand Down Expand Up @@ -1139,6 +1251,14 @@ static void wayland_seat_capabilities(void *data, struct wl_seat *seat,
wayland_pointer_release(self);
}

if ((capabilities & WL_SEAT_CAPABILITY_TOUCH) && (self->touch == NULL)) {
self->touch = wl_seat_get_touch(self->seat);
wl_touch_add_listener(self->touch, &wayland_touch_listener, self);
} else if ((!(capabilities & WL_SEAT_CAPABILITY_TOUCH)) &&
(self->touch != NULL)) {
wayland_touch_release(self);
}

if (wayland->data_device_manager != NULL) {
self->data_device = wl_data_device_manager_get_data_device(
wayland->data_device_manager, seat);
Expand Down Expand Up @@ -1295,19 +1415,22 @@ static void wayland_registry_handle_global(void *data,
wayland->layer_shell =
wl_registry_bind(registry, name, &zwlr_layer_shell_v1_interface,
MIN(version, WL_LAYER_SHELL_INTERFACE_VERSION));
} else if (g_strcmp0(interface, zwp_keyboard_shortcuts_inhibit_manager_v1_interface.name) == 0) {
} else if (g_strcmp0(
interface,
zwp_keyboard_shortcuts_inhibit_manager_v1_interface.name) ==
0) {
wayland->global_names[WAYLAND_GLOBAL_KEYBOARD_SHORTCUTS_INHIBITOR] = name;
wayland->kb_shortcuts_inhibit_manager =
wl_registry_bind(registry, name, &zwp_keyboard_shortcuts_inhibit_manager_v1_interface,
MIN(version, WL_KEYBOARD_SHORTCUTS_INHIBITOR_INTERFACE_VERSION));
wayland->kb_shortcuts_inhibit_manager = wl_registry_bind(
registry, name, &zwp_keyboard_shortcuts_inhibit_manager_v1_interface,
MIN(version, WL_KEYBOARD_SHORTCUTS_INHIBITOR_INTERFACE_VERSION));
} else if (g_strcmp0(interface, wl_shm_interface.name) == 0) {
wayland->global_names[WAYLAND_GLOBAL_SHM] = name;
wayland->shm = wl_registry_bind(registry, name, &wl_shm_interface,
MIN(version, WL_SHM_INTERFACE_VERSION));
} else if (g_strcmp0(interface, wl_seat_interface.name) == 0) {
if (version < WL_SEAT_INTERFACE_MIN_VERSION) {
g_error("Minimum version of wayland seat interface is %u, got %u", WL_SEAT_INTERFACE_MIN_VERSION,
version);
g_error("Minimum version of wayland seat interface is %u, got %u",
WL_SEAT_INTERFACE_MIN_VERSION, version);
return;
}
version = MIN(version, WL_SEAT_INTERFACE_MAX_VERSION);
Expand All @@ -1321,8 +1444,8 @@ static void wayland_registry_handle_global(void *data,
wl_seat_add_listener(seat->seat, &wayland_seat_listener, seat);
} else if (g_strcmp0(interface, wl_output_interface.name) == 0) {
if (version < WL_OUTPUT_INTERFACE_MIN_VERSION) {
g_error("Minimum version of wayland output interface is %u, got %u", WL_OUTPUT_INTERFACE_MIN_VERSION,
version);
g_error("Minimum version of wayland output interface is %u, got %u",
WL_OUTPUT_INTERFACE_MIN_VERSION, version);
return;
}
version = MIN(version, WL_OUTPUT_INTERFACE_MAX_VERSION);
Expand Down Expand Up @@ -1382,7 +1505,8 @@ static void wayland_registry_handle_global_remove(void *data,
wayland->layer_shell = NULL;
break;
case WAYLAND_GLOBAL_KEYBOARD_SHORTCUTS_INHIBITOR:
zwp_keyboard_shortcuts_inhibit_manager_v1_destroy(wayland->kb_shortcuts_inhibit_manager);
zwp_keyboard_shortcuts_inhibit_manager_v1_destroy(
wayland->kb_shortcuts_inhibit_manager);
wayland->kb_shortcuts_inhibit_manager = NULL;
break;
case WAYLAND_GLOBAL_SHM:
Expand Down Expand Up @@ -1608,8 +1732,8 @@ static gboolean wayland_display_late_setup(void) {
while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&seat)) {
// we don't need to keep track of these, they will get inactive when the
// surface is destroyed
zwp_keyboard_shortcuts_inhibit_manager_v1_inhibit_shortcuts(wayland->kb_shortcuts_inhibit_manager,
wayland->surface, seat->seat);
zwp_keyboard_shortcuts_inhibit_manager_v1_inhibit_shortcuts(
wayland->kb_shortcuts_inhibit_manager, wayland->surface, seat->seat);
}
}

Expand Down Expand Up @@ -1774,7 +1898,8 @@ static const struct _view_proxy *wayland_display_view_proxy(void) {

static guint wayland_display_scale(void) { return wayland->scale; }

static void wayland_get_clipboard_data(int cb_type, ClipboardCb callback, void *user_data) {
static void wayland_get_clipboard_data(int cb_type, ClipboardCb callback,
void *user_data) {
clipboard_data *clipboard = &wayland->clipboards[cb_type];

if (clipboard->offer == NULL) {
Expand All @@ -1789,7 +1914,8 @@ static void wayland_get_clipboard_data(int cb_type, ClipboardCb callback, void *
if (cb_type == CLIPBOARD_DEFAULT) {
wl_data_offer_receive(clipboard->offer, "text/plain", fds[1]);
} else {
zwp_primary_selection_offer_v1_receive(clipboard->offer, "text/plain", fds[1]);
zwp_primary_selection_offer_v1_receive(clipboard->offer, "text/plain",
fds[1]);
}
close(fds[1]);

Expand Down

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