summaryrefslogtreecommitdiff
path: root/c++/window/old.dummy
diff options
context:
space:
mode:
Diffstat (limited to 'c++/window/old.dummy')
-rw-r--r--c++/window/old.dummy399
1 files changed, 0 insertions, 399 deletions
diff --git a/c++/window/old.dummy b/c++/window/old.dummy
deleted file mode 100644
index c762945..0000000
--- a/c++/window/old.dummy
+++ /dev/null
@@ -1,399 +0,0 @@
-#include <X11/Xlib-xcb.h>
-#include <X11/Xlib.h>
-#include <xcb/xcb.h>
-#include <forstio/io/io.h>
-
-#include <map>
-#include <vector>
-
-#include "device.h"
-
-namespace saw {
-class xcb_window;
-class xcb_device final : public device {
-public:
- ::Display *display;
- int screen;
-
- xcb_connection_t *xcb_connection;
- xcb_screen_t *xcb_screen;
-
- own<input_stream> async_notifier;
- conveyor_sink async_conveyor;
-
- std::map<xcb_window_t, xcb_window *> windows;
-
- std::vector<xcb_generic_event_t *> pending_events;
-
-public:
- xcb_device(::Display *display, int screen, xcb_connection_t *xcb_connection,
- xcb_screen_t *xcb_screen, own<input_stream> &&an);
- ~xcb_device();
-
- void window_destroyed(xcb_window_t window_id);
- void handle_events();
-
- own<xcb_window> create_xcb_window(const video_mode &mode,
- std::string_view title_view,
- int visual_id);
- own<window> create_window(const video_mode &video_mode,
- std::string_view title_view) override;
-
- void flush() override;
-};
-
-own<xcb_device> create_xcb_device(io_provider &provider);
-
-class xcb_window final : public window {
-public:
- xcb_device &device_;
-
- xcb_window_t xcb_window_;
- xcb_colormap_t xcb_colormap_;
-
- video_mode video_mode_;
- std::string window_title_;
-
- own<conveyor_feeder<window::variant_event>> event_feeder = nullptr;
-
-public:
- xcb_window(xcb_device &dev, xcb_window_t xcb_win,
- xcb_colormap_t xcb_colormap_, const video_mode &video_mode_,
- std::string_view title_view_);
- ~xcb_window();
-
- void show() override;
- void hide() override;
-
- const video_mode &get_video_mode() const override;
- const std::string_view title() const override;
-
- void resize(size_t width, size_t height) override;
-
- conveyor<window::variant_event> on_event() override;
-
- void resize_event(size_t x, size_t y, size_t width, size_t height);
- void mouse_event(int16_t x, int16_t y, uint16_t state, bool pressed);
- void mouse_move_event(int16_t x, int16_t y);
- void keyboard_event(int16_t x, int16_t y, uint32_t keycode, bool pressed,
- bool repeat);
-};
-
-xcb_device::xcb_device(::Display *display, int screen,
- xcb_connection_t *xcb_connection,
- xcb_screen_t *xcb_screen, own<input_stream> &&an)
- : display{display}, screen{screen}, xcb_connection{xcb_connection},
- xcb_screen{xcb_screen}, async_notifier{std::move(an)},
- async_conveyor{async_notifier->read_ready()
- .then([this]() { handle_events(); })
- .sink()} {}
-
-xcb_device::~xcb_device() {
- if (display) {
- xcb_flush(xcb_connection);
- ::XCloseDisplay(display);
- }
-}
-
-void xcb_device::window_destroyed(xcb_window_t window_id) {
- windows.erase(window_id);
-}
-
-void xcb_device::handle_events() {
- while (xcb_generic_event_t *event = xcb_poll_for_event(xcb_connection)) {
- pending_events.push_back(event);
- }
- for (size_t i = 0; i < pending_events.size(); ++i) {
- xcb_generic_event_t *event = pending_events.at(i);
- switch (event->response_type & ~0x80) {
- case XCB_MOTION_NOTIFY: {
- xcb_motion_notify_event_t *motion =
- reinterpret_cast<xcb_motion_notify_event_t *>(event);
- auto find = windows.find(motion->event);
- if (find != windows.end()) {
- assert(find->second);
- find->second->mouse_move_event(motion->event_x,
- motion->event_y);
- }
- } break;
- case XCB_EXPOSE: {
- xcb_expose_event_t *expose =
- reinterpret_cast<xcb_expose_event_t *>(event);
- auto find = windows.find(expose->window);
- if (find != windows.end()) {
- assert(find->second);
- find->second->resize_event(static_cast<size_t>(expose->x),
- static_cast<size_t>(expose->y),
- static_cast<size_t>(expose->width),
- static_cast<size_t>(expose->height));
- }
- } break;
- case XCB_BUTTON_RELEASE: {
- xcb_button_release_event_t *button =
- reinterpret_cast<xcb_button_release_event_t *>(event);
- auto find = windows.find(button->event);
- if (find != windows.end()) {
- assert(find->second);
- find->second->mouse_event(button->event_x, button->event_y,
- button->detail, false);
- }
- } break;
- case XCB_BUTTON_PRESS: {
- xcb_button_press_event_t *button =
- reinterpret_cast<xcb_button_press_event_t *>(event);
- auto find = windows.find(button->event);
- if (find != windows.end()) {
- assert(find->second);
- find->second->mouse_event(button->event_x, button->event_y,
- button->detail, true);
- }
- } break;
- case XCB_KEY_RELEASE: {
- xcb_key_release_event_t *key =
- reinterpret_cast<xcb_key_release_event_t *>(event);
-
- bool repeat = false;
- /*
- * Peek into future events
- */
- for (size_t j = i + 1; j < pending_events.size(); ++j) {
- xcb_generic_event_t *f_ev = pending_events.at(j);
-
- if ((f_ev->response_type & ~0x80) == XCB_KEY_PRESS) {
- xcb_key_press_event_t *f_key =
- reinterpret_cast<xcb_key_press_event_t *>(f_ev);
-
- if (key->detail == f_key->detail &&
- key->event == f_key->event) {
- auto iterator = pending_events.begin() + j;
- assert(iterator != pending_events.end());
- free(*iterator);
- pending_events.erase(iterator);
- repeat = true;
- break;
- }
- }
- }
-
- auto find = windows.find(key->event);
- if (find != windows.end()) {
- assert(find->second);
- find->second->keyboard_event(key->event_x, key->event_y,
- key->detail, repeat, repeat);
- }
- } break;
- case XCB_KEY_PRESS: {
- xcb_key_press_event_t *key =
- reinterpret_cast<xcb_key_press_event_t *>(event);
- auto find = windows.find(key->event);
- if (find != windows.end()) {
- assert(find->second);
- find->second->keyboard_event(key->event_x, key->event_y,
- key->detail, true, false);
- }
- } break;
- default:
- break;
- }
- }
-
- for (xcb_generic_event_t *event : pending_events) {
- free(event);
- }
- pending_events.clear();
-}
-
-own<xcb_window> xcb_device::create_xcb_window(const video_mode &video_mode,
- std::string_view title_view,
- int visual_id) {
- assert(xcb_screen);
- assert(xcb_connection);
-
- xcb_colormap_t xcb_colormap = xcb_generate_id(xcb_connection);
- xcb_window_t xcb_window = xcb_generate_id(xcb_connection);
-
- xcb_create_colormap(xcb_connection, XCB_COLORMAP_ALLOC_NONE, xcb_colormap,
- xcb_screen->root, visual_id);
-
- uint32_t eventmask =
- XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_KEY_PRESS |
- XCB_EVENT_MASK_KEY_RELEASE | XCB_EVENT_MASK_BUTTON_PRESS |
- XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_POINTER_MOTION |
- XCB_EVENT_MASK_BUTTON_MOTION;
- uint32_t valuelist[] = {eventmask, xcb_colormap, 0};
- uint32_t valuemask = XCB_CW_EVENT_MASK | XCB_CW_COLORMAP;
-
- xcb_create_window(xcb_connection, XCB_COPY_FROM_PARENT, xcb_window,
- xcb_screen->root, 0, 0, video_mode.width,
- video_mode.height, 0, XCB_WINDOW_CLASS_INPUT_OUTPUT,
- visual_id, valuemask, valuelist);
-
- xcb_change_property(xcb_connection, XCB_PROP_MODE_REPLACE, xcb_window,
- XCB_ATOM_WM_NAME, XCB_ATOM_STRING, 8, title_view.size(),
- title_view.data());
-
- xcb_flush(xcb_connection);
- auto window = heap<class xcb_window>(*this, xcb_window, xcb_colormap,
- video_mode, title_view);
- windows[xcb_window] = window.get();
-
- return window;
-}
-
-own<window> xcb_device::create_window(const video_mode &video_mode,
- std::string_view title_view) {
- assert(xcb_screen);
- return create_xcb_window(video_mode, title_view, xcb_screen->root_visual);
-}
-
-void xcb_device::flush() {
- assert(xcb_connection);
- xcb_flush(xcb_connection);
-}
-
-own<xcb_device> create_xcb_device(io_provider &provider) {
- ::Display *display = ::XOpenDisplay(nullptr);
- if (!display) {
- /// @todo log errors
- return nullptr;
- }
-
- int screen = ::XDefaultScreen(display);
-
- xcb_connection_t *xcb_connection = ::XGetXCBConnection(display);
- if (!xcb_connection) {
- /// @todo log errors
- ::XCloseDisplay(display);
- return nullptr;
- }
-
- int fd = xcb_get_file_descriptor(xcb_connection);
-
- own<input_stream> fd_wrapped = provider.wrap_input_fd(fd);
- if (!fd_wrapped) {
- ::XCloseDisplay(display);
- return nullptr;
- }
-
- ::XSetEventQueueOwner(display, XCBOwnsEventQueue);
-
- xcb_screen_iterator_t screen_iter =
- xcb_setup_roots_iterator(xcb_get_setup(xcb_connection));
- for (int screen_i = screen; screen_iter.rem && screen_i > 0;
- --screen_i, xcb_screen_next(&screen_iter))
- ;
-
- xcb_screen_t *xcb_screen = screen_iter.data;
-
- return heap<xcb_device>(display, screen, xcb_connection, xcb_screen,
- std::move(fd_wrapped));
-}
-
-own<device> createdevice(io_provider &provider) {
- return create_xcb_device(provider);
-}
-
-xcb_window::xcb_window(xcb_device &dev, xcb_window_t xcb_win,
- xcb_colormap_t xcb_colmap, const video_mode &vid_mode,
- std::string_view title_view_)
- : device_{dev}, xcb_window_{xcb_win}, xcb_colormap_{xcb_colmap},
- video_mode_{vid_mode}, window_title_{title_view_} {}
-
-xcb_window::~xcb_window() {
- device_.window_destroyed(xcb_window_);
- xcb_destroy_window(device_.xcb_connection, xcb_window_);
- device_.flush();
-}
-
-void xcb_window::show() {
- assert(device_.xcb_connection);
- xcb_map_window(device_.xcb_connection, xcb_window_);
-}
-
-void xcb_window::hide() {
- assert(device_.xcb_connection);
- xcb_unmap_window(device_.xcb_connection, xcb_window_);
-}
-
-const video_mode &xcb_window::get_video_mode() const { return video_mode_; }
-
-const std::string_view xcb_window::title() const { return window_title_; }
-
-void xcb_window::resize(size_t width, size_t height) {
- const uint32_t values[2] = {static_cast<uint32_t>(width),
- static_cast<uint32_t>(height)};
-
- xcb_configure_window(device_.xcb_connection, xcb_window_,
- XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT,
- values);
- video_mode_.width = width;
- video_mode_.height = height;
-}
-
-conveyor<window::variant_event> xcb_window::on_event() {
- auto caf = new_conveyor_and_feeder<window::variant_event>();
- event_feeder = std::move(caf.feeder);
- return std::move(caf.conveyor);
-}
-
-void xcb_window::resize_event(size_t x, size_t y, size_t width, size_t height) {
- (void)x;
- (void)y;
- /// @todo maybe include x and y?
- video_mode_.width = width;
- video_mode_.height = height;
-
- if (event_feeder) {
- event_feeder->feed(
- window::variant_event{window::event::resize{width, height}});
- }
-}
-
-void xcb_window::mouse_event(int16_t x, int16_t y, uint16_t state,
- bool pressed) {
- if (x < 0 || y < 0) {
- return;
- }
- uint32_t ux = static_cast<uint32_t>(x);
- uint32_t uy = static_cast<uint32_t>(y);
- if (ux >= video_mode_.width || uy >= video_mode_.height) {
- return;
- }
- if (event_feeder) {
- event_feeder->feed(window::variant_event{
- window::event::mouse{state, pressed, ux, uy}});
- }
-}
-
-void xcb_window::mouse_move_event(int16_t x, int16_t y) {
- if (x < 0 || y < 0) {
- return;
- }
- uint32_t ux = static_cast<uint32_t>(x);
- uint32_t uy = static_cast<uint32_t>(y);
- if (ux >= video_mode_.width || uy >= video_mode_.height) {
- return;
- }
- if (event_feeder) {
- event_feeder->feed(
- window::variant_event{window::event::mouse_move{ux, uy}});
- }
-}
-
-void xcb_window::keyboard_event(int16_t x, int16_t y, uint32_t keycode,
- bool pressed, bool repeat) {
- if (x < 0 || y < 0) {
- return;
- }
- uint32_t ux = static_cast<uint32_t>(x);
- uint32_t uy = static_cast<uint32_t>(y);
- if (ux >= video_mode_.width || uy >= video_mode_.height) {
- return;
- }
- if (event_feeder) {
- event_feeder->feed(window::variant_event{
- window::event::keyboard{keycode, keycode, pressed, repeat}});
- }
-}
-
-} // namespace saw
generated by cgit v1.2.3 (git 2.25.1) at 2025-09-17 18:54:26 +0000