add clipboard support

1 files changed, 138 insertions, 11 deletions

diff --git a/swt.c b/swt.c
index c444397..6f59256 100644
--- a/swt.c
+++ b/swt.c
@@ -64,7 +64,10 @@ static void setup();
 static void cleanup();
 static void run();
 static void usage();
+static void copy();
+static void paste();
 static int  matchmod(uint32_t mask, uint32_t mod);
+static int  execshortcut();
 static char *kmap();
 static void buffer_release(void *data, struct wl_buffer *buffer);
 static void draw_frame();
@@ -78,6 +81,7 @@ static void registry_global(void *data, struct wl_registry *registry, uint32_t n
 static void registry_global_remove(void *data, struct wl_registry *registry, uint32_t name);
 static void seat_capabilities(void *dat, struct wl_seat *seat, uint32_t capabilities);
 static void keyboard_keymap(void *data, struct wl_keyboard *keyboard, uint32_t format, int32_t fd, uint32_t size);
+static void keyboard_enter(void *data, struct wl_keyboard *keyboard, uint32_t serial, struct wl_surface *surface, struct wl_array *keys);
 static void keyboard_key(void *data, struct wl_keyboard *keyboard, uint32_t serial, uint32_t time, uint32_t key, uint32_t client);
 static void keyboard_modifiers(void *data, struct wl_keyboard *keyboard, uint32_t serial, uint32_t depressed, uint32_t latched, uint32_t locked, uint32_t group);
 static void keyboard_repeat_info(void *data, struct wl_keyboard *keyboard, int32_t rate, int32_t delay);
@@ -87,6 +91,10 @@ static void pointer_leave(void *data, struct wl_pointer *pointer, uint32_t seria
 static void pointer_motion(void *data, struct wl_pointer *pointer, uint32_t time, wl_fixed_t x, wl_fixed_t y);
 static void pointer_button(void *data, struct wl_pointer *pointer, uint32_t serial, uint32_t time, uint32_t button, uint32_t state);
 static void pointer_axis(void *data, struct wl_pointer *pointer, uint32_t time, uint32_t axis, wl_fixed_t value);
+static void data_device_selection(void *data, struct wl_data_device *data_device, struct wl_data_offer *offer);
+static void data_device_data_offer(void *data, struct wl_data_device *data_device, struct wl_data_offer *offer);
+static void data_source_send(void *data, struct wl_data_source *source, const char *mime_type, int fd);
+static void data_source_cancelled(void *data, struct wl_data_source *source);
 static void dummy() {}
 
 
@@ -125,11 +133,11 @@ static const struct wl_keyboard_listener keyboard_listener = {
 	.key = keyboard_key,
 	.modifiers = keyboard_modifiers,
 	.repeat_info = keyboard_repeat_info,
-	.enter = dummy,
+	.enter = keyboard_enter,
 	.leave = dummy,
 };
 
-const struct wl_pointer_listener pointer_listener = {
+static const struct wl_pointer_listener pointer_listener = {
 	.enter = pointer_enter,
 	.leave = pointer_leave,
 	.motion = pointer_motion,
@@ -142,6 +150,20 @@ const struct wl_pointer_listener pointer_listener = {
 	.frame = dummy,
 };
 
+static const struct wl_data_device_listener data_device_listener = {
+	.data_offer = data_device_data_offer,
+	.selection = data_device_selection
+};
+
+static const struct wl_data_source_listener data_source_listener = {
+	.send = data_source_send,
+	.cancelled = data_source_cancelled
+};
+
+static const struct wl_data_offer_listener data_offer_listener = {
+	.offer = dummy,
+};
+
 
 Client client = { 0 };
 Window win = { 0 };
@@ -155,15 +177,39 @@ static char **opt_cmd = 0;
 
 #include "config.h"
 
+static char clipboard[CLIPBOARD_SIZE] = "";
+
 /* function implementation */
 
-void wbell() {
+void
+wbell() {
 	/* TODO */
 }
 
 
-void wclipcopy() {
-	/* TODO */
+void
+wclipcopy() {
+	copy();
+}
+
+
+void
+copy()
+{
+	struct wl_data_source *source = wl_data_device_manager_create_data_source(client.clipboard.data_device_manager);
+
+	strcpy(clipboard, getsel());
+
+	wl_data_source_add_listener(source, &data_source_listener, 0);
+	wl_data_source_offer(source, "text/plain");
+	wl_data_device_set_selection(client.clipboard.data_device, source, client.clipboard.keyboard_enter_serial);
+}
+
+
+void
+paste()
+{
+	ttywrite(clipboard, strlen(clipboard), 1);
 }
 
 
@@ -323,7 +369,7 @@ int wgetcolor(int x, unsigned char *r, unsigned char *g, unsigned char *b) {
 
 
 void wseticontitle(char *title) {
-	fprintf(stderr, "SET ICON TITLE: %s\n", title);
+	wsettitle(title);
 }
 
 
@@ -450,6 +496,7 @@ registry_global(void *data, struct wl_registry *registry, uint32_t name, const c
 	match_then_bind(client.shm, wl_shm_interface, 1)
 	or_match match_then_bind(client.compositor, wl_compositor_interface, 4)
 	or_match match_then_bind(client.wm_base, xdg_wm_base_interface, 1)
+	or_match match_then_bind(client.clipboard.data_device_manager, wl_data_device_manager_interface, 3)
 	or_match match_then_bind(client.seat, wl_seat_interface, 7)
 		wl_seat_add_listener(client.seat, &seat_listener, &client);
 	end_match
@@ -511,6 +558,13 @@ keyboard_keymap(void *data, struct wl_keyboard *keyboard, uint32_t format, int32
 
 
 void
+keyboard_enter(void *data, struct wl_keyboard *keyboard, uint32_t serial, struct wl_surface *surface, struct wl_array *keys)
+{
+	client.clipboard.keyboard_enter_serial = serial;
+}
+
+
+void
 keyboard_key(void *data, struct wl_keyboard *keyboard, uint32_t serial, uint32_t time, uint32_t key, uint32_t state)
 {
 	struct itimerspec spec = { 0 };
@@ -535,14 +589,13 @@ void
 keyboard_modifiers(void *data, struct wl_keyboard *keybaord, uint32_t serial, uint32_t depressed, uint32_t latched, uint32_t locked, uint32_t group)
 {
 	xkb_state_update_mask(client.kb.state, depressed, latched, locked, 0, 0, group);
-	
 	client.kb.event.mod = 0;
 	client.kb.event.mod |= xkb_state_mod_name_is_active(
 	    client.kb.state,
 	    XKB_MOD_NAME_ALT,
 	    XKB_STATE_MODS_DEPRESSED | XKB_STATE_MODS_LATCHED
 	) * KEY_MOD_ALT;
-	client.kb.event.mod = xkb_state_mod_name_is_active(
+	client.kb.event.mod |= xkb_state_mod_name_is_active(
 	    client.kb.state,
 	    XKB_MOD_NAME_CTRL,
 	    XKB_STATE_MODS_DEPRESSED | XKB_STATE_MODS_LATCHED
@@ -571,14 +624,32 @@ keyboard_repeat_info(void *data, struct wl_keyboard *keyboard, int32_t rate, int
 		client.kb.repeat.period = -1;
 }
 
-
 int
 matchmod(uint32_t mask, uint32_t mod)
 {
-	return mask == KEY_MOD_ANY || mask == mod;
+	return mask == KEY_MOD_ANY || mask & mod;
 }
 
 
+int
+execshortcut()
+{
+	Shortcut *sc;
+
+	for (sc = shortcut; sc < shortcut + LEN(shortcut); sc++) {
+		if (sc->k != client.kb.event.sym)
+			continue;
+
+		if (!matchmod(sc->mask, client.kb.event.mod))
+			continue;
+
+		sc->func();
+		return 1;
+	}
+
+	return 0;
+}
+
 char *
 kmap()
 {
@@ -607,6 +678,9 @@ handle_keyboard_event()
 	char c;
 
 	if (client.kb.event.state == WL_KEYBOARD_KEY_STATE_PRESSED) {
+		if (execshortcut())
+			return;
+
 		if ((customkey = kmap())) {
 			ttywrite(customkey, strlen(customkey), 1);
 			return;
@@ -707,6 +781,56 @@ pointer_axis(void *data, struct wl_pointer *pointer, uint32_t time, uint32_t axi
 
 
 void
+data_device_data_offer(void *data,
+		struct wl_data_device *data_device, struct wl_data_offer *offer) {
+	wl_data_offer_add_listener(offer, &data_offer_listener, NULL);
+}
+
+
+void
+data_device_selection(void *data, struct wl_data_device *data_device, struct wl_data_offer *offer)
+{
+	int fds[2];
+	ssize_t s;
+
+	if (offer == 0)
+		return;
+
+	pipe(fds);
+	wl_data_offer_receive(offer, "text/plain", fds[1]);
+	close(fds[1]);
+
+	wl_display_roundtrip(client.display);
+
+	s = read(fds[0], clipboard, CLIPBOARD_SIZE - 1);
+	clipboard[s] = 0;
+	close(fds[0]);
+
+	wl_data_offer_destroy(offer);
+}
+
+
+void
+data_source_send(void *data, struct wl_data_source *source, const char *mime_type, int fd)
+{
+	if (strcmp(mime_type, "text/plain") == 0) {
+		write(fd, clipboard, strlen(clipboard));
+	} else {
+		fprintf(stderr, "warning: clipboard request does not support mimetype '%s'", mime_type);
+	}
+
+	close(fd);
+}
+
+
+void
+data_source_cancelled(void *data, struct wl_data_source *source)
+{
+	wl_data_source_destroy(source);
+}
+
+
+void
 setup()
 {
 	win.mode = MODE_VISIBLE;
@@ -723,6 +847,10 @@ setup()
 	xdg_wm_base_add_listener(client.wm_base, &wm_base_listener, &client);
 	wl_display_roundtrip(client.display);
 
+	client.clipboard.data_device = wl_data_device_manager_get_data_device(client.clipboard.data_device_manager, client.seat);
+	wl_data_device_add_listener(client.clipboard.data_device, &data_device_listener, 0);
+	wl_display_roundtrip(client.display);
+
 	client.pointer.pointer = wl_seat_get_pointer(client.seat);
 	wl_pointer_add_listener(client.pointer.pointer, &pointer_listener, &client);
 
@@ -827,7 +955,6 @@ usage(void)
 
 int main(int argc, char *argv[])
 {
-
 	ARGBEGIN {
 	case 'a':
 		allowaltscreen = 0;