libs-back/Source/wayland/WaylandServer+Xdgshell.m

#include "wayland/WaylandServer.h"
#include <AppKit/NSEvent.h>
#include <AppKit/NSApplication.h>

static void
xdg_surface_on_configure(void *data, struct xdg_surface *xdg_surface,
			 uint32_t serial)
{
    struct window *window = data;

    NSDebugLog(@"xdg_surface_on_configure: win=%d", window->window_id);

    if(window->terminated == YES) {
        NSDebugLog(@"deleting window win=%d", window->window_id);
        free(window);
        return;
    }
    WaylandConfig *wlconfig = window->wlconfig;

    NSEvent *ev = nil;
    NSWindow *nswindow = GSWindowWithNumber(window->window_id);

    //NSDebugLog(@"Acknowledging surface configure %p %d (window_id=%d)", xdg_surface, serial, window->window_id);

    xdg_surface_ack_configure(xdg_surface, serial);
    window->configured = YES;


    if(window->buffer_needs_attach) {
        NSDebugLog(@"attach: win=%d toplevel", window->window_id);
        wl_surface_attach(window->surface, window->buffer, 0, 0);
        wl_surface_commit(window->surface);
    }


    if (wlconfig->pointer.focus &&
	wlconfig->pointer.focus->window_id == window->window_id) {
	ev = [NSEvent otherEventWithType: NSAppKitDefined
				location: NSZeroPoint
			   modifierFlags: 0
			       timestamp: 0
			    windowNumber: (int)window->window_id
				 context: GSCurrentContext()
				 subtype: GSAppKitWindowFocusIn
				   data1: 0
				   data2: 0];

	[nswindow sendEvent: ev];
    }
}

static void xdg_toplevel_configure(void *data, struct xdg_toplevel *xdg_toplevel,
		int32_t width, int32_t height, struct wl_array *states) {
    struct window *window = data;
    WaylandConfig *wlconfig = window->wlconfig;

    NSDebugLog(@"[%d] xdg_toplevel_configure %ldx%ld",
            window->window_id, width, height);

    // the compositor can send 0.0x0.0
    if(width == 0 || height == 0) {
        return;
    }
    if(window->width != width || window->height != height) {
        window->width = width;
        window->height = height;

        xdg_surface_set_window_geometry(window->xdg_surface,
                        0,
                        0,
                        window->width,
                        window->height);

        NSEvent *ev = [NSEvent otherEventWithType: NSAppKitDefined
                            location: NSMakePoint(0.0, 0.0)
                    modifierFlags: 0
                        timestamp: 0
                        windowNumber: window->window_id
                            context: GSCurrentContext()
                            subtype: GSAppKitWindowResized
                        data1: window->width
                        data2: window->height];
        [(GSWindowWithNumber(window->window_id)) sendEvent: ev];
    }
    NSDebugLog(@"[%d] notify resize from backend=%ldx%ld", window->window_id, width, height);
}

static void xdg_toplevel_close_handler(void *data, struct zxdg_toplevel_v6 *xdg_toplevel) {
    NSDebugLog(@"xdg_toplevel_close_handler");
}

static void xdg_popup_configure(void *data, struct xdg_popup *xdg_popup,
		int32_t x, int32_t y, int32_t width, int32_t height) {
    struct window *window = data;
    WaylandConfig *wlconfig = window->wlconfig;

    NSDebugLog(@"xdg_popup_configure");
}

static void xdg_popup_done(void *data, struct xdg_popup *xdg_popup) {
    struct window *window = data;
    WaylandConfig *wlconfig = window->wlconfig;
    window->terminated = YES;
	xdg_popup_destroy(xdg_popup);
	wl_surface_destroy(window->surface);
}

static void wm_base_handle_ping(void *data, struct xdg_wm_base *xdg_wm_base,
		uint32_t serial)
{
    NSDebugLog(@"wm_base_handle_ping");
	xdg_wm_base_pong(xdg_wm_base, serial);
}


const struct xdg_surface_listener xdg_surface_listener = {
    xdg_surface_on_configure,
};

const struct xdg_wm_base_listener wm_base_listener = {
	.ping = wm_base_handle_ping,
};

const struct xdg_popup_listener xdg_popup_listener = {
	.configure = xdg_popup_configure,
	.popup_done = xdg_popup_done,
};

const struct xdg_toplevel_listener xdg_toplevel_listener = {
	.configure = xdg_toplevel_configure,
	.close = xdg_toplevel_close_handler,
};