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/*
* widgets/webview/scroll.c - webkit webview scroll functions
*
* Copyright © 2010-2011 Mason Larobina <mason.larobina@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "ipc.h"
void
webview_scroll_recv(widget_t *w, const ipc_scroll_t *msg)
{
webview_data_t *d = w->data;
if (webkit_web_view_get_page_id(d->view) != msg->page_id)
return;
switch (msg->subtype) {
case IPC_SCROLL_TYPE_docresize:
d->doc_w = msg->h;
d->doc_h = msg->v;
break;
case IPC_SCROLL_TYPE_winresize:
d->win_w = msg->h;
d->win_h = msg->v;
break;
case IPC_SCROLL_TYPE_scroll:
d->scroll_x = msg->h;
d->scroll_y = msg->v;
default:
break;
}
}
static gint
luaH_webview_scroll_newindex(lua_State *L)
{
/* get webview widget upvalue */
webview_data_t *d = luaH_checkwvdata(L, lua_upvalueindex(1));
const gchar *prop = luaL_checkstring(L, 2);
luakit_token_t t = l_tokenize(prop);
if (t == L_TK_X)
d->scroll_x = luaL_checknumber(L, 3);
else if (t == L_TK_Y)
d->scroll_y = luaL_checknumber(L, 3);
else {
return 0;
}
lua_pushinteger(L, webkit_web_view_get_page_id(d->view));
lua_pushinteger(L, d->scroll_x);
lua_pushinteger(L, d->scroll_y);
ipc_send_lua(d->ipc, IPC_TYPE_scroll, L, 4, 6);
return 0;
}
static gint
luaH_webview_scroll_index(lua_State *L)
{
webview_data_t *d = luaH_checkwvdata(L, lua_upvalueindex(1));
const gchar *prop = luaL_checkstring(L, 2);
luakit_token_t t = l_tokenize(prop);
switch (t) {
PN_CASE(X, d->scroll_x);
PN_CASE(Y, d->scroll_y);
PN_CASE(XMAX, d->doc_w - d->win_w);
PN_CASE(YMAX, d->doc_h - d->win_h);
PN_CASE(XPAGE_SIZE, d->win_w);
PN_CASE(YPAGE_SIZE, d->win_h);
default:
return 0;
}
}
static gint
luaH_webview_push_scroll_table(lua_State *L)
{
/* create scroll table */
lua_newtable(L);
/* setup metatable */
lua_createtable(L, 0, 2);
/* push __index metafunction */
lua_pushliteral(L, "__index");
lua_pushvalue(L, 1); /* copy webview userdata */
lua_pushcclosure(L, luaH_webview_scroll_index, 1);
lua_rawset(L, -3);
/* push __newindex metafunction */
lua_pushliteral(L, "__newindex");
lua_pushvalue(L, 1); /* copy webview userdata */
lua_pushcclosure(L, luaH_webview_scroll_newindex, 1);
lua_rawset(L, -3);
lua_setmetatable(L, -2);
return 1;
}
// vim: ft=c:et:sw=4:ts=8:sts=4:tw=80
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