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Add tool buttons

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This commit is contained in:
Markus Ongyerth 2018-05-04 11:46:32 +02:00
parent 391eef6ea9
commit 5c7a37f309
5 changed files with 91 additions and 8 deletions
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63
types/wlr_tablet_v2.c
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@ -941,6 +941,47 @@ struct wlr_tablet_manager_v2 *wlr_tablet_v2_create(struct wl_display *display) {
}
/* Actual protocol foo */
// https://www.geeksforgeeks.org/move-zeroes-end-array/
static size_t push_zeroes_to_end(uint32_t arr[], size_t n) {
size_t count = 0;
for (size_t i = 0; i < n; i++) {
if (arr[i] != 0) {
arr[count++] = arr[i];
}
}
size_t ret = count;
while (count < n) {
arr[count++] = 0;
}
return ret;
}
static void tablet_tool_button_update(struct wlr_tablet_v2_tablet_tool *tool,
uint32_t button, enum zwp_tablet_pad_v2_button_state state) {
bool found = false;
size_t i = 0;
for (; i < tool->num_buttons; ++i) {
if (tool->pressed_buttons[i] == button) {
found = true;
break;
}
}
if (button == ZWP_TABLET_PAD_V2_BUTTON_STATE_PRESSED && !found &&
tool->num_buttons < WLR_TABLEt_V2_TOOL_BUTTONS_CAP) {
tool->pressed_buttons[tool->num_buttons++] = button;
}
if (button == ZWP_TABLET_PAD_V2_BUTTON_STATE_RELEASED && found) {
tool->pressed_buttons[i] = 0;
tool->num_buttons = push_zeroes_to_end(tool->pressed_buttons, WLR_TABLEt_V2_TOOL_BUTTONS_CAP);
}
assert(tool->num_buttons <= WLR_TABLEt_V2_TOOL_BUTTONS_CAP);
}
static void send_tool_frame(void *data) {
struct wlr_tablet_tool_client_v2 *tool = data;
@ -1041,7 +1082,7 @@ void wlr_send_tablet_v2_tablet_tool_proximity_out(
}
void wlr_send_tablet_v2_tablet_tool_distance(
struct wlr_tablet_v2_tablet_tool *tool, uint32_t distance) {
struct wlr_tablet_v2_tablet_tool *tool, uint32_t distance) {
if (tool->current_client) {
zwp_tablet_tool_v2_send_distance(tool->current_client->resource,
distance);
@ -1050,6 +1091,24 @@ void wlr_send_tablet_v2_tablet_tool_distance(
}
}
uint32_t wlr_send_tablet_v2_tablet_tool_button(
struct wlr_tablet_v2_tablet_tool *tool, uint32_t button,
enum zwp_tablet_pad_v2_button_state state) {
tablet_tool_button_update(tool, button, state);
if (tool->current_client) {
uint32_t serial = ++tool->button_serial;
zwp_tablet_tool_v2_send_button(tool->current_client->resource,
serial, button, state);
queue_tool_frame(tool->current_client);
return serial;
}
return 0;
}
void wlr_send_tablet_v2_tablet_tool_wheel(
struct wlr_tablet_v2_tablet_tool *tool, double delta, int32_t clicks) {
if (tool->current_client) {
@ -1058,10 +1117,8 @@ void wlr_send_tablet_v2_tablet_tool_wheel(
queue_tool_frame(tool->current_client);
}
}
uint32_t wlr_send_tablet_v2_tablet_pad_enter(
struct wlr_tablet_v2_tablet_pad *pad,
struct wlr_tablet_v2_tablet *tablet,