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multiseat handling

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This commit is contained in:
Raphael Robatsch 2021-10-26 12:59:41 +02:00
parent 8c959d60a1
commit bc35014269
2 changed files with 77 additions and 64 deletions
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6
src/common.hpp
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@ -50,8 +50,10 @@ struct wl_deleter;
template<typename T> template<typename T>
using wl_unique_ptr = std::unique_ptr<T, wl_deleter<T>>; using wl_unique_ptr = std::unique_ptr<T, wl_deleter<T>>;
WL_DELETER(wl_surface, wl_surface_destroy);
WL_DELETER(zwlr_layer_surface_v1, zwlr_layer_surface_v1_destroy);
WL_DELETER(wl_buffer, wl_buffer_destroy); WL_DELETER(wl_buffer, wl_buffer_destroy);
WL_DELETER(wl_output, wl_output_release); WL_DELETER(wl_output, wl_output_release);
WL_DELETER(wl_pointer, wl_pointer_release);
WL_DELETER(wl_seat, wl_seat_release);
WL_DELETER(wl_surface, wl_surface_destroy);
WL_DELETER(znet_tapesoftware_dwl_wm_monitor_v1, znet_tapesoftware_dwl_wm_monitor_v1_release); WL_DELETER(znet_tapesoftware_dwl_wm_monitor_v1, znet_tapesoftware_dwl_wm_monitor_v1_release);
WL_DELETER(zwlr_layer_surface_v1, zwlr_layer_surface_v1_destroy);

135
src/main.cpp
View file

@ -11,6 +11,7 @@
#include <sys/types.h> #include <sys/types.h>
#include <unistd.h> #include <unistd.h>
#include <linux/input-event-codes.h> #include <linux/input-event-codes.h>
#include <list>
#include <optional> #include <optional>
#include <vector> #include <vector>
#include <QGuiApplication> #include <QGuiApplication>
@ -30,6 +31,17 @@ struct Monitor {
std::optional<Bar> bar; std::optional<Bar> bar;
bool created; bool created;
}; };
struct SeatPointer {
wl_unique_ptr<wl_pointer> wlPointer;
Bar *focusedBar;
int x, y;
std::vector<int> btns;
};
struct Seat {
uint32_t name;
wl_unique_ptr<wl_seat> wlSeat;
std::optional<SeatPointer> pointer;
};
static void waylandFlush(); static void waylandFlush();
static void waylandWriteReady(); static void waylandWriteReady();
@ -46,8 +58,11 @@ znet_tapesoftware_dwl_wm_v1 *dwlWm;
std::vector<QString> tagNames; std::vector<QString> tagNames;
std::vector<QString> layoutNames; std::vector<QString> layoutNames;
static xdg_wm_base *xdgWmBase; static xdg_wm_base *xdgWmBase;
static wl_surface *cursorSurface;
static wl_cursor_image *cursorImage;
static bool ready; static bool ready;
static std::vector<Monitor> monitors; static std::list<Monitor> monitors;
static std::list<Seat> seats;
static QString lastStatus; static QString lastStatus;
static std::string statusFifoName; static std::string statusFifoName;
static int statusFifoFd {-1}; static int statusFifoFd {-1};
@ -74,15 +89,6 @@ static const struct xdg_wm_base_listener xdgWmBaseListener = {
} }
}; };
struct SeatState {
wl_pointer *pointer;
wl_surface *cursorSurface;
wl_cursor_image *cursorImage;
Bar *focusedBar;
int x, y;
std::vector<int> btns;
};
static SeatState seatState;
static Bar* barFromSurface(const wl_surface *surface) static Bar* barFromSurface(const wl_surface *surface)
{ {
auto mon = std::find_if(begin(monitors), end(monitors), [surface](const Monitor &mon) { auto mon = std::find_if(begin(monitors), end(monitors), [surface](const Monitor &mon) {
@ -91,58 +97,66 @@ static Bar* barFromSurface(const wl_surface *surface)
return mon != end(monitors) && mon->bar ? &*mon->bar : nullptr; return mon != end(monitors) && mon->bar ? &*mon->bar : nullptr;
} }
static const struct wl_pointer_listener pointerListener = { static const struct wl_pointer_listener pointerListener = {
.enter = [](void*, wl_pointer *pointer, uint32_t serial, .enter = [](void *sp, wl_pointer *pointer, uint32_t serial,
wl_surface *surface, wl_fixed_t x, wl_fixed_t y) wl_surface *surface, wl_fixed_t x, wl_fixed_t y)
{ {
seatState.focusedBar = barFromSurface(surface); auto& seat = *static_cast<Seat*>(sp);
wl_pointer_set_cursor(pointer, serial, seatState.cursorSurface, seat.pointer->focusedBar = barFromSurface(surface);
seatState.cursorImage->hotspot_x, seatState.cursorImage->hotspot_y); if (!cursorImage) {
auto cursorTheme = wl_cursor_theme_load(NULL, 24, shm);
cursorImage = wl_cursor_theme_get_cursor(cursorTheme, "left_ptr")->images[0];
cursorSurface = wl_compositor_create_surface(compositor);
wl_surface_attach(cursorSurface, wl_cursor_image_get_buffer(cursorImage), 0, 0);
wl_surface_commit(cursorSurface);
}
wl_pointer_set_cursor(pointer, serial, cursorSurface,
cursorImage->hotspot_x, cursorImage->hotspot_y);
}, },
.leave = [](void*, wl_pointer*, uint32_t serial, wl_surface*) { .leave = [](void *sp, wl_pointer*, uint32_t serial, wl_surface*) {
seatState.focusedBar = nullptr; auto& seat = *static_cast<Seat*>(sp);
seat.pointer->focusedBar = nullptr;
}, },
.motion = [](void*, wl_pointer*, uint32_t, wl_fixed_t x, wl_fixed_t y) { .motion = [](void *sp, wl_pointer*, uint32_t, wl_fixed_t x, wl_fixed_t y) {
seatState.x = wl_fixed_to_int(x); auto& seat = *static_cast<Seat*>(sp);
seatState.y = wl_fixed_to_int(y); seat.pointer->x = wl_fixed_to_int(x);
seat.pointer->y = wl_fixed_to_int(y);
}, },
.button = [](void*, wl_pointer*, uint32_t, uint32_t, uint32_t button, uint32_t pressed) { .button = [](void *sp, wl_pointer*, uint32_t, uint32_t, uint32_t button, uint32_t pressed) {
auto it = std::find(begin(seatState.btns), end(seatState.btns), button); auto& seat = *static_cast<Seat*>(sp);
if (pressed == WL_POINTER_BUTTON_STATE_PRESSED && it == end(seatState.btns)) { auto it = std::find(begin(seat.pointer->btns), end(seat.pointer->btns), button);
seatState.btns.push_back(button); if (pressed == WL_POINTER_BUTTON_STATE_PRESSED && it == end(seat.pointer->btns)) {
} else if (pressed == WL_POINTER_BUTTON_STATE_RELEASED && it != end(seatState.btns)) { seat.pointer->btns.push_back(button);
seatState.btns.erase(it); } else if (pressed == WL_POINTER_BUTTON_STATE_RELEASED && it != end(seat.pointer->btns)) {
seat.pointer->btns.erase(it);
} }
}, },
.axis = [](void*, wl_pointer*, uint32_t, uint32_t, wl_fixed_t) { }, .axis = [](void *sp, wl_pointer*, uint32_t, uint32_t, wl_fixed_t) { },
.frame = [](void*, wl_pointer*) { .frame = [](void *sp, wl_pointer*) {
if (!seatState.focusedBar) return; auto& seat = *static_cast<Seat*>(sp);
for (auto btn : seatState.btns) { if (!seat.pointer->focusedBar) return;
seatState.focusedBar->click(seatState.x, seatState.y, btn, 0); for (auto btn : seat.pointer->btns) {
seat.pointer->focusedBar->click(seat.pointer->x, seat.pointer->y, btn, 0);
} }
seatState.btns.clear(); seat.pointer->btns.clear();
}, },
.axis_source = [](void*, wl_pointer*, uint32_t) { }, .axis_source = [](void*, wl_pointer*, uint32_t) { },
.axis_stop = [](void*, wl_pointer*, uint32_t, uint32_t) { }, .axis_stop = [](void*, wl_pointer*, uint32_t, uint32_t) { },
.axis_discrete = [](void*, wl_pointer*, uint32_t, int32_t) { }, .axis_discrete = [](void*, wl_pointer*, uint32_t, int32_t) { },
}; };
static wl_seat *seat;
static const struct wl_seat_listener seatListener = { static const struct wl_seat_listener seatListener = {
[](void*, wl_seat*, uint32_t cap) .capabilities = [](void *sp, wl_seat*, uint32_t cap)
{ {
if (!seatState.pointer && WL_SEAT_CAPABILITY_POINTER) { auto& seat = *static_cast<Seat*>(sp);
auto cursorTheme = wl_cursor_theme_load(NULL, 24, shm); auto hasPointer = cap & WL_SEAT_CAPABILITY_POINTER;
auto cursorImage = wl_cursor_theme_get_cursor(cursorTheme, "left_ptr")->images[0]; if (!seat.pointer && hasPointer) {
seatState.cursorImage = cursorImage; seat.pointer.emplace(SeatPointer {wl_unique_ptr<wl_pointer> {wl_seat_get_pointer(seat.wlSeat.get())}});
seatState.cursorSurface = wl_compositor_create_surface(compositor); wl_pointer_add_listener(seat.pointer->wlPointer.get(), &pointerListener, &seat);
wl_surface_attach(seatState.cursorSurface, } else if (seat.pointer && !hasPointer) {
wl_cursor_image_get_buffer(cursorImage), 0, 0); seat.pointer.reset();
wl_surface_commit(seatState.cursorSurface);
seatState.pointer = wl_seat_get_pointer(seat);
wl_pointer_add_listener(seatState.pointer, &pointerListener, nullptr);
} }
}, },
[](void*, wl_seat*, const char *name) { } .name = [](void*, wl_seat*, const char *name) { }
}; };
static const struct znet_tapesoftware_dwl_wm_v1_listener dwlWmListener = { static const struct znet_tapesoftware_dwl_wm_v1_listener dwlWmListener = {
@ -189,19 +203,11 @@ static void setupMonitor(Monitor &monitor) {
znet_tapesoftware_dwl_wm_monitor_v1_add_listener(monitor.dwlMonitor.get(), &dwlWmMonitorListener, &monitor); znet_tapesoftware_dwl_wm_monitor_v1_add_listener(monitor.dwlMonitor.get(), &dwlWmMonitorListener, &monitor);
} }
static void onOutput(uint32_t name, wl_output *output) {
auto& m = monitors.emplace_back(Monitor {name, wl_unique_ptr<wl_output> {output}});
if (ready) {
setupMonitor(m);
}
}
// called after we have received the initial batch of globals // called after we have received the initial batch of globals
static void onReady() static void onReady()
{ {
requireGlobal(compositor, "wl_compositor"); requireGlobal(compositor, "wl_compositor");
requireGlobal(shm, "wl_shm"); requireGlobal(shm, "wl_shm");
requireGlobal(seat, "wl_seat");
requireGlobal(wlrLayerShell, "zwlr_layer_shell_v1"); requireGlobal(wlrLayerShell, "zwlr_layer_shell_v1");
requireGlobal(dwlWm, "znet_tapesoftware_dwl_wm_v1"); requireGlobal(dwlWm, "znet_tapesoftware_dwl_wm_v1");
setupStatusFifo(); setupStatusFifo();
@ -280,22 +286,27 @@ static void registryHandleGlobal(void*, wl_registry *registry, uint32_t name, co
xdg_wm_base_add_listener(xdgWmBase, &xdgWmBaseListener, nullptr); xdg_wm_base_add_listener(xdgWmBase, &xdgWmBaseListener, nullptr);
return; return;
} }
if (seat == nullptr && reg.handle(seat, wl_seat_interface, 7)) {
wl_seat_add_listener(seat, &seatListener, nullptr);
}
if (wl_output *output; reg.handle(output, wl_output_interface, 1)) {
onOutput(name, output);
}
if (reg.handle(dwlWm, znet_tapesoftware_dwl_wm_v1_interface, 1)) { if (reg.handle(dwlWm, znet_tapesoftware_dwl_wm_v1_interface, 1)) {
znet_tapesoftware_dwl_wm_v1_add_listener(dwlWm, &dwlWmListener, nullptr); znet_tapesoftware_dwl_wm_v1_add_listener(dwlWm, &dwlWmListener, nullptr);
return;
}
if (wl_seat *wlSeat; reg.handle(wlSeat, wl_seat_interface, 7)) {
auto& seat = seats.emplace_back(Seat {name, wl_unique_ptr<wl_seat> {wlSeat}});
wl_seat_add_listener(wlSeat, &seatListener, &seat);
return;
}
if (wl_output *output; reg.handle(output, wl_output_interface, 1)) {
auto& m = monitors.emplace_back(Monitor {name, wl_unique_ptr<wl_output> {output}});
if (ready) {
setupMonitor(m);
}
return;
} }
} }
static void registryHandleRemove(void*, wl_registry *registry, uint32_t name) static void registryHandleRemove(void*, wl_registry *registry, uint32_t name)
{ {
auto it = std::find_if(begin(monitors), end(monitors), [name](const Monitor &m) { return m.name == name; }); monitors.remove_if([name](const Monitor &mon) { return mon.name == name; });
if (it != end(monitors)) { seats.remove_if([name](const Seat &seat) { return seat.name == name; });
monitors.erase(it);
}
} }
static const struct wl_registry_listener registry_listener = { static const struct wl_registry_listener registry_listener = {
.global = registryHandleGlobal, .global = registryHandleGlobal,