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Add input shape support to drawins 

Signed-off-by: Uli Schlachter <psychon@znc.in>
This commit is contained in:
Uli Schlachter 2017-01-26 11:09:15 +01:00
parent 64e05c236f
commit 614d1b0d57
1 changed files with 48 additions and 0 deletions
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48
objects/drawin.c
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@ -63,6 +63,7 @@
* @field window The X window id.
* @field shape_bounding The drawin's bounding shape as a (native) cairo surface.
* @field shape_clip The drawin's clip shape as a (native) cairo surface.
* @field shape_input The drawin's input shape as a (native) cairo surface.
* @table drawin
*/
@ -78,6 +79,10 @@
* @signal property::shape_clip
*/
/**
* @signal property::shape_input
*/
/**
* @signal property::border_width
*/
@ -690,6 +695,45 @@ luaA_drawin_set_shape_clip(lua_State *L, drawin_t *drawin)
return 0;
}
/** Get the drawin's input shape.
* \param L The Lua VM state.
* \param drawin The drawin object.
* \return The number of elements pushed on stack.
*/
static int
luaA_drawin_get_shape_input(lua_State *L, drawin_t *drawin)
{
cairo_surface_t *surf = xwindow_get_shape(drawin->window, XCB_SHAPE_SK_INPUT);
if (!surf)
return 0;
/* lua has to make sure to free the ref or we have a leak */
lua_pushlightuserdata(L, surf);
return 1;
}
/** Set the drawin's input shape.
* \param L The Lua VM state.
* \param drawin The drawin object.
* \return The number of elements pushed on stack.
*/
static int
luaA_drawin_set_shape_input(lua_State *L, drawin_t *drawin)
{
cairo_surface_t *surf = NULL;
if(!lua_isnil(L, -1))
surf = (cairo_surface_t *)lua_touserdata(L, -1);
/* The drawin might have been resized to a larger size. Apply that. */
drawin_apply_moveresize(drawin);
xwindow_set_shape(drawin->window,
drawin->geometry.width + 2*drawin->border_width,
drawin->geometry.height + 2*drawin->border_width,
XCB_SHAPE_SK_INPUT, surf, -drawin->border_width);
luaA_object_emit_signal(L, -3, "property::shape_input", 0);
return 0;
}
void
drawin_class_setup(lua_State *L)
{
@ -758,6 +802,10 @@ drawin_class_setup(lua_State *L)
(lua_class_propfunc_t) luaA_drawin_set_shape_clip,
(lua_class_propfunc_t) luaA_drawin_get_shape_clip,
(lua_class_propfunc_t) luaA_drawin_set_shape_clip);
luaA_class_add_property(&drawin_class, "shape_input",
(lua_class_propfunc_t) luaA_drawin_set_shape_input,
(lua_class_propfunc_t) luaA_drawin_get_shape_input,
(lua_class_propfunc_t) luaA_drawin_set_shape_input);
}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80