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awesome/wibox.c

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/*
* wibox.c - wibox functions
*
* Copyright © 2008-2009 Julien Danjou <julien@danjou.info>
*
* 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 2 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <xcb/shape.h>
#include "screen.h"
#include "wibox.h"
#include "titlebar.h"
#include "client.h"
#include "screen.h"
#include "window.h"
#include "luaa.h"
#include "common/xcursor.h"
#include "common/xutil.h"
LUA_OBJECT_FUNCS(wibox_class, wibox_t, wibox)
/** Take care of garbage collecting a wibox.
* \param L The Lua VM state.
* \return The number of elements pushed on stack, 0!
*/
static int
luaA_wibox_gc(lua_State *L)
{
wibox_t *wibox = luaA_checkudata(L, 1, &wibox_class);
p_delete(&wibox->cursor);
wibox_wipe(wibox);
button_array_wipe(&wibox->buttons);
widget_node_array_wipe(&wibox->widgets);
return luaA_object_gc(L);
}
void
wibox_unref_simplified(wibox_t **item)
{
luaA_object_unref(globalconf.L, *item);
}
static void
wibox_need_update(wibox_t *wibox)
{
wibox->need_update = true;
wibox->mouse_over = NULL;
}
static int
have_shape(void)
{
const xcb_query_extension_reply_t *reply;
reply = xcb_get_extension_data(globalconf.connection, &xcb_shape_id);
if (!reply || !reply->present)
return 0;
/* We don't need a specific version of SHAPE, no version check required */
return 1;
}
static void
shape_update(xcb_window_t win, xcb_shape_kind_t kind, image_t *image, int offset)
{
xcb_pixmap_t shape;
if(image)
shape = image_to_1bit_pixmap(image, win);
else
/* Reset the shape */
shape = XCB_NONE;
xcb_shape_mask(globalconf.connection, XCB_SHAPE_SO_SET, kind,
win, offset, offset, shape);
if (shape != XCB_NONE)
xcb_free_pixmap(globalconf.connection, shape);
}
/** Update the window's shape.
* \param wibox The simplw window whose shape should be updated.
*/
static void
wibox_shape_update(wibox_t *wibox)
{
if(wibox->window == XCB_NONE)
return;
if(!have_shape())
{
static bool warned = false;
if(!warned)
warn("The X server doesn't have the SHAPE extension; "
"can't change window's shape");
warned = true;
return;
}
shape_update(wibox->window, XCB_SHAPE_SK_CLIP, wibox->shape.clip, 0);
shape_update(wibox->window, XCB_SHAPE_SK_BOUNDING, wibox->shape.bounding, - wibox->border_width);
wibox->need_shape_update = false;
}
static void
wibox_draw_context_update(wibox_t *w, xcb_screen_t *s)
{
xcolor_t fg = w->ctx.fg, bg = w->ctx.bg;
int phys_screen = w->ctx.phys_screen;
draw_context_wipe(&w->ctx);
/* update draw context */
switch(w->orientation)
{
case South:
case North:
/* we need a new pixmap this way [ ] to render */
w->ctx.pixmap = xcb_generate_id(globalconf.connection);
xcb_create_pixmap(globalconf.connection,
s->root_depth,
w->ctx.pixmap, s->root,
w->geometry.height,
w->geometry.width);
draw_context_init(&w->ctx, phys_screen,
w->geometry.height,
w->geometry.width,
w->ctx.pixmap, &fg, &bg);
break;
case East:
draw_context_init(&w->ctx, phys_screen,
w->geometry.width,
w->geometry.height,
w->pixmap, &fg, &bg);
break;
}
}
/** Initialize a wibox.
* \param w The wibox to initialize.
* \param phys_screen Physical screen number.
*/
void
wibox_init(wibox_t *w, int phys_screen)
{
xcb_screen_t *s = xutil_screen_get(globalconf.connection, phys_screen);
w->window = xcb_generate_id(globalconf.connection);
xcb_create_window(globalconf.connection, s->root_depth, w->window, s->root,
w->geometry.x, w->geometry.y,
w->geometry.width, w->geometry.height,
w->border_width, XCB_COPY_FROM_PARENT, s->root_visual,
XCB_CW_BACK_PIXMAP | XCB_CW_BORDER_PIXEL
| XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK,
(const uint32_t [])
{
XCB_BACK_PIXMAP_PARENT_RELATIVE,
w->border_color.pixel,
1,
XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT
| XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_ENTER_WINDOW
| XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_STRUCTURE_NOTIFY
| XCB_EVENT_MASK_BUTTON_PRESS | XCB_EVENT_MASK_BUTTON_RELEASE
| XCB_EVENT_MASK_POINTER_MOTION | XCB_EVENT_MASK_EXPOSURE
| XCB_EVENT_MASK_PROPERTY_CHANGE
});
/* Create a pixmap. */
w->pixmap = xcb_generate_id(globalconf.connection);
xcb_create_pixmap(globalconf.connection, s->root_depth, w->pixmap, s->root,
w->geometry.width, w->geometry.height);
/* Update draw context physical screen, important for Zaphod. */
w->ctx.phys_screen = phys_screen;
wibox_draw_context_update(w, s);
/* The default GC is just a newly created associated to the root window */
w->gc = xcb_generate_id(globalconf.connection);
xcb_create_gc(globalconf.connection, w->gc, s->root, XCB_GC_FOREGROUND | XCB_GC_BACKGROUND,
(const uint32_t[]) { s->black_pixel, s->white_pixel });
wibox_shape_update(w);
}
/** Refresh the window content by copying its pixmap data to its window.
* \param w The wibox to refresh.
*/
static inline void
wibox_refresh_pixmap(wibox_t *w)
{
wibox_refresh_pixmap_partial(w, 0, 0, w->geometry.width, w->geometry.height);
}
/** Set a wibox opacity.
* \param L The Lua VM state.
* \param w The index wibox the adjust the opacity of.
* \param opacity A value between 0 and 1 which describes the opacity.
*/
static inline void
wibox_opacity_set(lua_State *L, int udx, double opacity)
{
wibox_t *w = luaA_checkudata(L, udx, &wibox_class);
w->opacity = opacity;
if(w->window != XCB_NONE)
window_opacity_set(w->window, opacity);
luaA_object_emit_signal(globalconf.L, udx, "property::opacity", 0);
}
/** Move and/or resize a wibox
* \param L The Lua VM state.
* \param udx The index of the wibox.
* \param geometry The new geometry.
*/
void
wibox_moveresize(lua_State *L, int udx, area_t geometry)
{
wibox_t *w = luaA_checkudata(L, udx, &wibox_class);
if(w->window)
{
int number_of_vals = 0;
uint32_t moveresize_win_vals[4], mask_vals = 0;
if(w->geometry.x != geometry.x)
{
w->geometry.x = moveresize_win_vals[number_of_vals++] = geometry.x;
mask_vals |= XCB_CONFIG_WINDOW_X;
}
if(w->geometry.y != geometry.y)
{
w->geometry.y = moveresize_win_vals[number_of_vals++] = geometry.y;
mask_vals |= XCB_CONFIG_WINDOW_Y;
}
if(geometry.width > 0 && w->geometry.width != geometry.width)
{
w->geometry.width = moveresize_win_vals[number_of_vals++] = geometry.width;
mask_vals |= XCB_CONFIG_WINDOW_WIDTH;
}
if(geometry.height > 0 && w->geometry.height != geometry.height)
{
w->geometry.height = moveresize_win_vals[number_of_vals++] = geometry.height;
mask_vals |= XCB_CONFIG_WINDOW_HEIGHT;
}
if(mask_vals & (XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT))
{
xcb_free_pixmap(globalconf.connection, w->pixmap);
/* orientation != East */
if(w->pixmap != w->ctx.pixmap)
xcb_free_pixmap(globalconf.connection, w->ctx.pixmap);
w->pixmap = xcb_generate_id(globalconf.connection);
xcb_screen_t *s = xutil_screen_get(globalconf.connection, w->ctx.phys_screen);
xcb_create_pixmap(globalconf.connection, s->root_depth, w->pixmap, s->root,
w->geometry.width, w->geometry.height);
wibox_draw_context_update(w, s);
}
if(mask_vals)
xcb_configure_window(globalconf.connection, w->window, mask_vals, moveresize_win_vals);
w->screen = screen_getbycoord(w->screen, w->geometry.x, w->geometry.y);
if(mask_vals & XCB_CONFIG_WINDOW_X)
luaA_object_emit_signal(L, udx, "property::x", 0);
if(mask_vals & XCB_CONFIG_WINDOW_Y)
luaA_object_emit_signal(L, udx, "property::y", 0);
if(mask_vals & XCB_CONFIG_WINDOW_WIDTH)
luaA_object_emit_signal(L, udx, "property::width", 0);
if(mask_vals & XCB_CONFIG_WINDOW_HEIGHT)
luaA_object_emit_signal(L, udx, "property::height", 0);
}
else
{
#define DO_WIBOX_GEOMETRY_CHECK_AND_EMIT(prop) \
if(w->geometry.prop != geometry.prop) \
{ \
w->geometry.prop = geometry.prop; \
luaA_object_emit_signal(L, udx, "property::" #prop, 0); \
}
DO_WIBOX_GEOMETRY_CHECK_AND_EMIT(x)
DO_WIBOX_GEOMETRY_CHECK_AND_EMIT(y)
DO_WIBOX_GEOMETRY_CHECK_AND_EMIT(width)
DO_WIBOX_GEOMETRY_CHECK_AND_EMIT(height)
#undef DO_WIBOX_GEOMETRY_CHECK_AND_EMIT
}
wibox_need_update(w);
}
/** Refresh the window content by copying its pixmap data to its window.
* \param wibox The wibox to refresh.
* \param x The copy starting point x component.
* \param y The copy starting point y component.
* \param w The copy width from the x component.
* \param h The copy height from the y component.
*/
void
wibox_refresh_pixmap_partial(wibox_t *wibox,
int16_t x, int16_t y,
uint16_t w, uint16_t h)
{
xcb_copy_area(globalconf.connection, wibox->pixmap,
wibox->window, wibox->gc, x, y, x, y,
w, h);
}
void
wibox_set_opacity(lua_State *L, int udx, double opacity)
{
wibox_t *w = luaA_checkudata(L, udx, &wibox_class);
if(w->opacity != opacity)
{
w->opacity = opacity;
if(w->window)
window_opacity_set(w->window, opacity);
luaA_object_emit_signal(L, udx, "property::opacity", 0);
}
}
/** Set a wibox border width.
* \param L The Lua VM state.
* \param idx The wibox to change border width.
* \param border_width The border width in pixel.
*/
static void
wibox_set_border_width(lua_State *L, int udx, uint32_t border_width)
{
wibox_t *w = luaA_checkudata(L, udx, &wibox_class);
xcb_configure_window(globalconf.connection, w->window, XCB_CONFIG_WINDOW_BORDER_WIDTH,
&border_width);
w->border_width = border_width;
luaA_object_emit_signal(L, udx, "property::border_width", 0);
}
/** Set a wibox border color.
* \param L The Lua VM state.
* \param idx The wibox to change border width.
* \param color The border color.
*/
static void
wibox_set_border_color(lua_State *L, int udx, const xcolor_t *color)
{
wibox_t *w = luaA_checkudata(L, udx, &wibox_class);
xcb_change_window_attributes(globalconf.connection, w->window,
XCB_CW_BORDER_PIXEL, &color->pixel);
w->border_color = *color;
luaA_object_emit_signal(L, udx, "property::border_color", 0);
}
/** Set wibox orientation.
* \param L The Lua VM state.
* \param w The wibox.
* \param o The new orientation.
*/
void
wibox_set_orientation(lua_State *L, int udx, orientation_t o)
{
wibox_t *w = luaA_checkudata(L, udx, &wibox_class);
if(o != w->orientation)
{
xcb_screen_t *s = xutil_screen_get(globalconf.connection, w->ctx.phys_screen);
w->orientation = o;
/* orientation != East */
if(w->pixmap != w->ctx.pixmap)
xcb_free_pixmap(globalconf.connection, w->ctx.pixmap);
wibox_draw_context_update(w, s);
luaA_object_emit_signal(L, udx, "property::orientation", 0);
}
}
static void
wibox_map(wibox_t *wibox)
{
xcb_map_window(globalconf.connection, wibox->window);
/* We must make sure the wibox does not display garbage */
wibox_need_update(wibox);
/* Stack this wibox correctly */
client_stack();
}
/** Kick out systray windows.
* \param phys_screen Physical screen number.
*/
static void
wibox_systray_kickout(int phys_screen)
{
xcb_screen_t *s = xutil_screen_get(globalconf.connection, phys_screen);
if(globalconf.screens.tab[phys_screen].systray.parent != s->root)
{
/* Who! Check that we're not deleting a wibox with a systray, because it
* may be its parent. If so, we reparent to root before, otherwise it will
* hurt very much. */
xcb_reparent_window(globalconf.connection,
globalconf.screens.tab[phys_screen].systray.window,
s->root, -512, -512);
globalconf.screens.tab[phys_screen].systray.parent = s->root;
}
}
static void
wibox_systray_refresh(wibox_t *wibox)
{
if(!wibox->screen)
return;
for(int i = 0; i < wibox->widgets.len; i++)
{
widget_node_t *systray = &wibox->widgets.tab[i];
if(systray->widget->type == widget_systray)
{
uint32_t config_back[] = { wibox->ctx.bg.pixel };
uint32_t config_win_vals[4];
uint32_t config_win_vals_off[2] = { -512, -512 };
xembed_window_t *em;
int phys_screen = wibox->ctx.phys_screen;
if(wibox->visible
&& systray->widget->isvisible
&& systray->geometry.width)
{
/* Set background of the systray window. */
xcb_change_window_attributes(globalconf.connection,
globalconf.screens.tab[phys_screen].systray.window,
XCB_CW_BACK_PIXEL, config_back);
/* Map it. */
xcb_map_window(globalconf.connection, globalconf.screens.tab[phys_screen].systray.window);
/* Move it. */
switch(wibox->orientation)
{
case North:
config_win_vals[0] = systray->geometry.y;
config_win_vals[1] = wibox->geometry.height - systray->geometry.x - systray->geometry.width;
config_win_vals[2] = systray->geometry.height;
config_win_vals[3] = systray->geometry.width;
break;
case South:
config_win_vals[0] = systray->geometry.y;
config_win_vals[1] = systray->geometry.x;
config_win_vals[2] = systray->geometry.height;
config_win_vals[3] = systray->geometry.width;
break;
case East:
config_win_vals[0] = systray->geometry.x;
config_win_vals[1] = systray->geometry.y;
config_win_vals[2] = systray->geometry.width;
config_win_vals[3] = systray->geometry.height;
break;
}
/* reparent */
if(globalconf.screens.tab[phys_screen].systray.parent != wibox->window)
{
xcb_reparent_window(globalconf.connection,
globalconf.screens.tab[phys_screen].systray.window,
wibox->window,
config_win_vals[0], config_win_vals[1]);
globalconf.screens.tab[phys_screen].systray.parent = wibox->window;
}
xcb_configure_window(globalconf.connection,
globalconf.screens.tab[phys_screen].systray.window,
XCB_CONFIG_WINDOW_X
| XCB_CONFIG_WINDOW_Y
| XCB_CONFIG_WINDOW_WIDTH
| XCB_CONFIG_WINDOW_HEIGHT,
config_win_vals);
/* width = height = systray height */
config_win_vals[2] = config_win_vals[3] = systray->geometry.height;
config_win_vals[0] = 0;
}
else
return wibox_systray_kickout(phys_screen);
switch(wibox->orientation)
{
case North:
config_win_vals[1] = systray->geometry.width - config_win_vals[3];
for(int j = 0; j < globalconf.embedded.len; j++)
{
em = &globalconf.embedded.tab[j];
if(em->phys_screen == phys_screen)
{
if(config_win_vals[1] - config_win_vals[2] >= (uint32_t) wibox->geometry.y)
{
xcb_map_window(globalconf.connection, em->win);
xcb_configure_window(globalconf.connection, em->win,
XCB_CONFIG_WINDOW_X
| XCB_CONFIG_WINDOW_Y
| XCB_CONFIG_WINDOW_WIDTH
| XCB_CONFIG_WINDOW_HEIGHT,
config_win_vals);
config_win_vals[1] -= config_win_vals[3];
}
else
xcb_configure_window(globalconf.connection, em->win,
XCB_CONFIG_WINDOW_X
| XCB_CONFIG_WINDOW_Y,
config_win_vals_off);
}
}
break;
case South:
config_win_vals[1] = 0;
for(int j = 0; j < globalconf.embedded.len; j++)
{
em = &globalconf.embedded.tab[j];
if(em->phys_screen == phys_screen)
{
/* if(y + width <= wibox.y + systray.right) */
if(config_win_vals[1] + config_win_vals[3] <= (uint32_t) wibox->geometry.y + AREA_RIGHT(systray->geometry))
{
xcb_map_window(globalconf.connection, em->win);
xcb_configure_window(globalconf.connection, em->win,
XCB_CONFIG_WINDOW_X
| XCB_CONFIG_WINDOW_Y
| XCB_CONFIG_WINDOW_WIDTH
| XCB_CONFIG_WINDOW_HEIGHT,
config_win_vals);
config_win_vals[1] += config_win_vals[3];
}
else
xcb_configure_window(globalconf.connection, em->win,
XCB_CONFIG_WINDOW_X
| XCB_CONFIG_WINDOW_Y,
config_win_vals_off);
}
}
break;
case East:
config_win_vals[1] = 0;
for(int j = 0; j < globalconf.embedded.len; j++)
{
em = &globalconf.embedded.tab[j];
if(em->phys_screen == phys_screen)
{
/* if(x + width < systray.x + systray.width) */
if(config_win_vals[0] + config_win_vals[2] <= (uint32_t) AREA_RIGHT(systray->geometry) + wibox->geometry.x)
{
xcb_map_window(globalconf.connection, em->win);
xcb_configure_window(globalconf.connection, em->win,
XCB_CONFIG_WINDOW_X
| XCB_CONFIG_WINDOW_Y
| XCB_CONFIG_WINDOW_WIDTH
| XCB_CONFIG_WINDOW_HEIGHT,
config_win_vals);
config_win_vals[0] += config_win_vals[2];
}
else
xcb_configure_window(globalconf.connection, em->win,
XCB_CONFIG_WINDOW_X
| XCB_CONFIG_WINDOW_Y,
config_win_vals_off);
}
}
break;
}
break;
}
}
}
/** Get a wibox by its window.
* \param win The window id.
* \return A wibox if found, NULL otherwise.
*/
wibox_t *
wibox_getbywin(xcb_window_t win)
{
foreach(w, globalconf.wiboxes)
if((*w)->window == win)
return *w;
foreach(_c, globalconf.clients)
{
client_t *c = *_c;
if(c->titlebar && c->titlebar->window == win)
return c->titlebar;
}
return NULL;
}
/** Draw a wibox.
* \param wibox The wibox to draw.
*/
static void
wibox_draw(wibox_t *wibox)
{
if(wibox->visible)
{
widget_render(wibox);
wibox_refresh_pixmap(wibox);
wibox->need_update = false;
}
wibox_systray_refresh(wibox);
}
/** Refresh all wiboxes.
*/
void
wibox_refresh(void)
{
foreach(w, globalconf.wiboxes)
{
if((*w)->need_shape_update)
wibox_shape_update(*w);
if((*w)->need_update)
wibox_draw(*w);
}
foreach(_c, globalconf.clients)
{
client_t *c = *_c;
if(c->titlebar && c->titlebar->need_update)
wibox_draw(c->titlebar);
}
}
/** Set a wibox visible or not.
* \param wibox The wibox.
* \param v The visible value.
*/
static void
wibox_set_visible(lua_State *L, int udx, bool v)
{
wibox_t *wibox = luaA_checkudata(L, udx, &wibox_class);
if(v != wibox->visible)
{
wibox->visible = v;
wibox->mouse_over = NULL;
if(wibox->screen)
{
if(wibox->visible)
wibox_map(wibox);
else
xcb_unmap_window(globalconf.connection, wibox->window);
/* kick out systray if needed */
wibox_systray_refresh(wibox);
}
luaA_object_emit_signal(L, udx, "property::visible", 0);
hook_property(wibox, "visible");
}
}
/** Destroy all X resources of a wibox.
* \param w The wibox to wipe.
*/
void
wibox_wipe(wibox_t *w)
{
if(w->window)
{
xcb_destroy_window(globalconf.connection, w->window);
w->window = XCB_NONE;
}
if(w->pixmap)
{
xcb_free_pixmap(globalconf.connection, w->pixmap);
w->pixmap = XCB_NONE;
}
if(w->gc)
{
xcb_free_gc(globalconf.connection, w->gc);
w->gc = XCB_NONE;
}
draw_context_wipe(&w->ctx);
}
/** Remove a wibox from a screen.
* \param L The Lua VM state.
* \param udx Wibox to detach from screen.
*/
static void
wibox_detach(lua_State *L, int udx)
{
wibox_t *wibox = luaA_checkudata(L, udx, &wibox_class);
if(wibox->screen)
{
bool v;
/* save visible state */
v = wibox->visible;
wibox->visible = false;
wibox_systray_refresh(wibox);
/* restore visibility */
wibox->visible = v;
wibox->mouse_over = NULL;
wibox_wipe(wibox);
foreach(item, globalconf.wiboxes)
if(*item == wibox)
{
wibox_array_remove(&globalconf.wiboxes, item);
break;
}
hook_property(wibox, "screen");
wibox->screen = NULL;
luaA_object_emit_signal(L, udx, "property::screen", 0);
luaA_object_unref(globalconf.L, wibox);
}
}
/** Attach a wibox that is on top of the stack.
* \param s The screen to attach the wibox to.
*/
static void
wibox_attach(lua_State *L, int udx, screen_t *s)
{
int phys_screen = screen_virttophys(screen_array_indexof(&globalconf.screens, s));
/* duplicate wibox */
lua_pushvalue(L, udx);
/* ref it */
wibox_t *wibox = luaA_object_ref(globalconf.L, -1);
wibox_detach(L, udx);
/* Set the wibox screen */
wibox->screen = s;
/* Check that the wibox coordinates matches the screen. */
screen_t *cscreen =
screen_getbycoord(wibox->screen, wibox->geometry.x, wibox->geometry.y);
/* If it does not match, move it to the screen coordinates */
if(cscreen != wibox->screen)
wibox_moveresize(L, udx, (area_t) { .x = s->geometry.x,
.y = s->geometry.y,
.width = wibox->geometry.width,
.height = wibox->geometry.height });
wibox_array_append(&globalconf.wiboxes, wibox);
wibox_init(wibox, phys_screen);
window_set_cursor(wibox->window,
xcursor_new(globalconf.connection, xcursor_font_fromstr(wibox->cursor)));
if(wibox->opacity != -1)
window_opacity_set(wibox->window, wibox->opacity);
if(wibox->visible)
wibox_map(wibox);
else
wibox_need_update(wibox);
hook_property(wibox, "screen");
luaA_object_emit_signal(L, udx, "property::screen", 0);
}
/** Create a new wibox.
* \param L The Lua VM state.
*
* \luastack
* \lparam A table with optionaly defined values:
* fg, bg, border_width, border_color, ontop, width and height.
* \lreturn A brand new wibox.
*/
static int
luaA_wibox_new(lua_State *L)
{
luaA_class_new(L, &wibox_class);
wibox_t *w = luaA_checkudata(L, -1, &wibox_class);
if(!w->ctx.fg.initialized)
w->ctx.fg = globalconf.colors.fg;
if(!w->ctx.bg.initialized)
w->ctx.bg = globalconf.colors.bg;
if(!w->border_color.initialized)
w->border_color = globalconf.colors.bg;
w->visible = true;
if(!w->opacity)
w->opacity = -1;
if(!w->cursor)
w->cursor = a_strdup("left_ptr");
if(!w->geometry.width)
w->geometry.width = 1;
if(!w->geometry.height)
w->geometry.height = 1;
return 1;
}
/** Check if a wibox widget table has an item.
* \param L The Lua VM state.
* \param wibox The wibox.
* \param item The item to look for.
*/
static bool
luaA_wibox_hasitem(lua_State *L, wibox_t *wibox, const void *item)
{
if(wibox->widgets_table)
{
luaA_object_push(L, wibox);
luaA_object_push_item(L, -1, wibox->widgets_table);
lua_remove(L, -2);
if(lua_topointer(L, -1) == item || luaA_hasitem(L, item))
return true;
}
return false;
}
/** Invalidate a wibox by a Lua object (table, etc).
* \param L The Lua VM state.
* \param item The object identifier.
*/
void
luaA_wibox_invalidate_byitem(lua_State *L, const void *item)
{
foreach(w, globalconf.wiboxes)
{
wibox_t *wibox = *w;
if(luaA_wibox_hasitem(L, wibox, item))
{
/* update wibox */
wibox_need_update(wibox);
lua_pop(L, 1); /* remove widgets table */
}
}
foreach(_c, globalconf.clients)
{
client_t *c = *_c;
if(c->titlebar && luaA_wibox_hasitem(L, c->titlebar, item))
{
/* update wibox */
wibox_need_update(c->titlebar);
lua_pop(L, 1); /* remove widgets table */
}
}
}
/* Set or get the wibox geometry.
* \param L The Lua VM state.
* \return The number of elements pushed on stack.
* \luastack
* \lparam An optional table with wibox geometry.
* \lreturn The wibox geometry.
*/
static int
luaA_wibox_geometry(lua_State *L)
{
wibox_t *wibox = luaA_checkudata(L, 1, &wibox_class);
if(lua_gettop(L) == 2)
{
area_t wingeom;
luaA_checktable(L, 2);
wingeom.x = luaA_getopt_number(L, 2, "x", wibox->geometry.x);
wingeom.y = luaA_getopt_number(L, 2, "y", wibox->geometry.y);
wingeom.width = luaA_getopt_number(L, 2, "width", wibox->geometry.width);
wingeom.height = luaA_getopt_number(L, 2, "height", wibox->geometry.height);
if(wingeom.width > 0 && wingeom.height > 0)
switch(wibox->type)
{
case WIBOX_TYPE_TITLEBAR:
wibox_moveresize(L, 1, (area_t) { .x = wibox->geometry.x,
.y = wibox->geometry.y,
.width = wingeom.width,
.height = wingeom.height });
break;
case WIBOX_TYPE_NORMAL:
wibox_moveresize(L, 1, wingeom);
break;
}
}
return luaA_pusharea(L, wibox->geometry);
}
LUA_OBJECT_EXPORT_PROPERTY(wibox, wibox_t, ontop, lua_pushboolean)
LUA_OBJECT_EXPORT_PROPERTY(wibox, wibox_t, cursor, lua_pushstring)
LUA_OBJECT_EXPORT_PROPERTY(wibox, wibox_t, visible, lua_pushboolean)
LUA_OBJECT_EXPORT_PROPERTY(wibox, wibox_t, border_width, lua_pushnumber)
LUA_OBJECT_EXPORT_PROPERTY(wibox, wibox_t, border_color, luaA_pushxcolor)
static int
luaA_wibox_set_x(lua_State *L, wibox_t *wibox)
{
wibox_moveresize(L, -3, (area_t) { .x = luaL_checknumber(L, -1),
.y = wibox->geometry.y,
.width = wibox->geometry.width,
.height = wibox->geometry.height });
return 0;
}
static int
luaA_wibox_get_x(lua_State *L, wibox_t *wibox)
{
lua_pushnumber(L, wibox->geometry.x);
return 1;
}
static int
luaA_wibox_set_y(lua_State *L, wibox_t *wibox)
{
wibox_moveresize(L, -3, (area_t) { .x = wibox->geometry.x,
.y = luaL_checknumber(L, -1),
.width = wibox->geometry.width,
.height = wibox->geometry.height });
return 0;
}
static int
luaA_wibox_get_y(lua_State *L, wibox_t *wibox)
{
lua_pushnumber(L, wibox->geometry.y);
return 1;
}
static int
luaA_wibox_set_width(lua_State *L, wibox_t *wibox)
{
int width = luaL_checknumber(L, -1);
if(width <= 0)
luaL_error(L, "invalid width");
wibox_moveresize(L, -3, (area_t) { .x = wibox->geometry.x,
.y = wibox->geometry.y,
.width = width,
.height = wibox->geometry.height });
return 0;
}
static int
luaA_wibox_get_width(lua_State *L, wibox_t *wibox)
{
lua_pushnumber(L, wibox->geometry.width);
return 1;
}
static int
luaA_wibox_set_height(lua_State *L, wibox_t *wibox)
{
int height = luaL_checknumber(L, -1);
if(height <= 0)
luaL_error(L, "invalid height");
wibox_moveresize(L, -3, (area_t) { .x = wibox->geometry.x,
.y = wibox->geometry.y,
.width = wibox->geometry.width,
.height = height });
return 0;
}
static int
luaA_wibox_get_height(lua_State *L, wibox_t *wibox)
{
lua_pushnumber(L, wibox->geometry.height);
return 1;
}
/** Set the wibox foreground color.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_set_fg(lua_State *L, wibox_t *wibox)
{
size_t len;
const char *buf = luaL_checklstring(L, -1, &len);
if(xcolor_init_reply(xcolor_init_unchecked(&wibox->ctx.fg, buf, len)))
wibox->need_update = true;
luaA_object_emit_signal(L, -3, "property::fg", 0);
return 0;
}
/** Get the wibox foreground color.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_get_fg(lua_State *L, wibox_t *wibox)
{
return luaA_pushxcolor(L, wibox->ctx.fg);
}
/** Set the wibox background color.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_set_bg(lua_State *L, wibox_t *wibox)
{
size_t len;
const char *buf = luaL_checklstring(L, -1, &len);
if(xcolor_init_reply(xcolor_init_unchecked(&wibox->ctx.bg, buf, len)))
wibox->need_update = true;
luaA_object_emit_signal(L, -3, "property::bg", 0);
return 0;
}
/** Get the wibox background color.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_get_bg(lua_State *L, wibox_t *wibox)
{
return luaA_pushxcolor(L, wibox->ctx.bg);
}
/** Set the wibox background image.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_set_bg_image(lua_State *L, wibox_t *wibox)
{
luaA_checkudata(L, -1, &image_class);
luaA_object_unref_item(L, -3, wibox->bg_image);
wibox->bg_image = luaA_object_ref_item(L, -3, -1);
wibox->need_update = true;
luaA_object_emit_signal(L, -2, "property::bg_image", 0);
return 0;
}
/** Get the wibox background image.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_get_bg_image(lua_State *L, wibox_t *wibox)
{
return luaA_object_push_item(L, 1, wibox->bg_image);
}
/** Set the wibox on top status.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_set_ontop(lua_State *L, wibox_t *wibox)
{
bool b = luaA_checkboolean(L, -1);
if(b != wibox->ontop)
{
wibox->ontop = b;
client_stack();
luaA_object_emit_signal(L, -3, "property::ontop", 0);
}
return 0;
}
/** Set the wibox opacity.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_set_opacity(lua_State *L, wibox_t *wibox)
{
if(lua_isnil(L, -1))
wibox_opacity_set(L, -3, -1);
else
{
double d = luaL_checknumber(L, -1);
if(d >= 0 && d <= 1)
wibox_opacity_set(L, -3, d);
}
return 0;
}
/** Get the wibox opacity.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_get_opacity(lua_State *L, wibox_t *wibox)
{
if (wibox->opacity >= 0)
{
lua_pushnumber(L, wibox->opacity);
return 1;
}
return 0;
}
/** Set the wibox alignment.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_set_align(lua_State *L, wibox_t *wibox)
{
size_t len;
const char *buf = luaL_checklstring(L, -1, &len);
wibox->align = draw_align_fromstr(buf, len);
luaA_object_emit_signal(L, -3, "property::align", 0);
switch(wibox->type)
{
case WIBOX_TYPE_NORMAL:
luaA_deprecate(L, "awful.wibox.align");
break;
case WIBOX_TYPE_TITLEBAR:
titlebar_update_geometry(client_getbytitlebar(wibox));
break;
}
return 0;
}
/** Get the wibox alignment.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_get_align(lua_State *L, wibox_t *wibox)
{
if(wibox->type == WIBOX_TYPE_NORMAL)
luaA_deprecate(L, "awful.wibox.align");
lua_pushstring(L, draw_align_tostr(wibox->align));
return 1;
}
/** Set the wibox position.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_set_position(lua_State *L, wibox_t *wibox)
{
switch(wibox->type)
{
case WIBOX_TYPE_NORMAL:
{
size_t len;
const char *buf;
if((buf = luaL_checklstring(L, -1, &len)))
{
luaA_deprecate(L, "awful.wibox.attach");
wibox->position = position_fromstr(buf, len);
}
}
break;
case WIBOX_TYPE_TITLEBAR:
return luaA_titlebar_set_position(L, -3);
}
return 0;
}
/** Get the wibox position.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_get_position(lua_State *L, wibox_t *wibox)
{
if(wibox->type == WIBOX_TYPE_NORMAL)
luaA_deprecate(L, "awful.wibox.attach");
lua_pushstring(L, position_tostr(wibox->position));
return 1;
}
/** Set the wibox (titlebar) client.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_set_client(lua_State *L, wibox_t *wibox)
{
/* first detach */
if(lua_isnil(L, -1))
titlebar_client_detach(client_getbytitlebar(wibox));
else
{
client_t *c = luaA_client_checkudata(L, -1);
lua_pushvalue(L, -3);
titlebar_client_attach(c);
}
return 0;
}
/** Get the wibox (titlebar) client.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_get_client(lua_State *L, wibox_t *wibox)
{
return luaA_object_push(L, client_getbytitlebar(wibox));
}
/** Set the wibox cursor.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_set_cursor(lua_State *L, wibox_t *wibox)
{
const char *buf = luaL_checkstring(L, -1);
if(buf)
{
uint16_t cursor_font = xcursor_font_fromstr(buf);
if(cursor_font)
{
xcb_cursor_t cursor = xcursor_new(globalconf.connection, cursor_font);
p_delete(&wibox->cursor);
wibox->cursor = a_strdup(buf);
window_set_cursor(wibox->window, cursor);
luaA_object_emit_signal(L, -3, "property::cursor", 0);
}
}
return 0;
}
/** Set the wibox screen.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_set_screen(lua_State *L, wibox_t *wibox)
{
if(lua_isnil(L, -1))
{
wibox_detach(L, -3);
titlebar_client_detach(client_getbytitlebar(wibox));
}
else
{
int screen = luaL_checknumber(L, -1) - 1;
luaA_checkscreen(screen);
if(!wibox->screen || screen != screen_array_indexof(&globalconf.screens, wibox->screen))
{
titlebar_client_detach(client_getbytitlebar(wibox));
wibox_attach(L, -3, &globalconf.screens.tab[screen]);
}
}
return 0;
}
/** Get the wibox screen.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_get_screen(lua_State *L, wibox_t *wibox)
{
if(!wibox->screen)
return 0;
lua_pushnumber(L, screen_array_indexof(&globalconf.screens, wibox->screen) + 1);
return 1;
}
/** Set the wibox orientation.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_set_orientation(lua_State *L, wibox_t *wibox)
{
size_t len;
const char *buf = luaL_checklstring(L, -1, &len);
if(buf)
{
wibox_set_orientation(L, -3, orientation_fromstr(buf, len));
wibox_need_update(wibox);
}
return 0;
}
/** Get the wibox orientation.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_get_orientation(lua_State *L, wibox_t *wibox)
{
lua_pushstring(L, orientation_tostr(wibox->orientation));
return 1;
}
/** Set the wibox border color.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_set_border_color(lua_State *L, wibox_t *wibox)
{
size_t len;
const char *buf = luaL_checklstring(L, -1, &len);
if(buf)
if(xcolor_init_reply(xcolor_init_unchecked(&wibox->border_color, buf, len)))
if(wibox->window)
wibox_set_border_color(L, -3, &wibox->border_color);
return 0;
}
/** Set the wibox visibility.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_set_visible(lua_State *L, wibox_t *wibox)
{
bool b = luaA_checkboolean(L, -1);
if(b != wibox->visible)
switch(wibox->type)
{
case WIBOX_TYPE_NORMAL:
wibox_set_visible(L, -3, b);
break;
case WIBOX_TYPE_TITLEBAR:
titlebar_set_visible(wibox, b);
break;
}
return 0;
}
/** Set the wibox widgets.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_set_widgets(lua_State *L, wibox_t *wibox)
{
if(luaA_isloop(L, -1))
{
luaA_warn(L, "table is looping, cannot use this as widget table");
return 0;
}
/* duplicate table because next function will eat it */
lua_pushvalue(L, -1);
wibox->widgets_table = luaA_object_ref_item(L, -4, -1);
luaA_object_emit_signal(L, -3, "property::widgets", 0);
wibox_need_update(wibox);
luaA_table2wtable(L);
return 0;
}
/** Get the wibox widgets.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_get_widgets(lua_State *L, wibox_t *wibox)
{
return luaA_object_push_item(L, 1, wibox->widgets_table);
}
/** Get or set mouse buttons bindings to a wibox.
* \param L The Lua VM state.
* \luastack
* \lvalue A wibox.
* \lparam An array of mouse button bindings objects, or nothing.
* \return The array of mouse button bindings objects of this wibox.
*/
static int
luaA_wibox_buttons(lua_State *L)
{
wibox_t *wibox = luaA_checkudata(L, 1, &wibox_class);
if(lua_gettop(L) == 2)
{
luaA_button_array_set(L, 1, 2, &wibox->buttons);
luaA_object_emit_signal(L, 1, "property::buttons", 0);
}
return luaA_button_array_get(L, 1, &wibox->buttons);
}
/** Set the wibox border width.
* \param L The Lua VM state.
* \param wibox The wibox object.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_set_border_width(lua_State *L, wibox_t *wibox)
{
wibox_set_border_width(L, -3, luaL_checknumber(L, -1));
return 0;
}
static int
luaA_wibox_set_shape_bounding(lua_State *L, wibox_t *wibox)
{
luaA_object_unref_item(L, -3, wibox->shape.bounding);
wibox->shape.bounding = luaA_object_ref_item(L, -3, -1);
wibox->need_shape_update = true;
luaA_object_emit_signal(L, -2, "property::shape_bounding", 0);
return 0;
}
static int
luaA_wibox_get_shape_bounding(lua_State *L, wibox_t *wibox)
{
return luaA_object_push_item(L, 1, wibox->shape.bounding);
}
static int
luaA_wibox_set_shape_clip(lua_State *L, wibox_t *wibox)
{
luaA_object_unref_item(L, -3, wibox->shape.clip);
wibox->shape.clip = luaA_object_ref_item(L, -3, -1);
wibox->need_shape_update = true;
luaA_object_emit_signal(L, -2, "property::shape_clip", 0);
return 0;
}
static int
luaA_wibox_get_shape_clip(lua_State *L, wibox_t *wibox)
{
return luaA_object_push_item(L, 1, wibox->shape.clip);
}
void
wibox_class_setup(lua_State *L)
{
static const struct luaL_reg wibox_methods[] =
{
LUA_CLASS_METHODS(wibox)
{ "__call", luaA_wibox_new },
{ NULL, NULL }
};
static const struct luaL_reg wibox_meta[] =
{
LUA_OBJECT_META(wibox)
LUA_CLASS_META
{ "buttons", luaA_wibox_buttons },
{ "geometry", luaA_wibox_geometry },
{ "__gc", luaA_wibox_gc },
{ NULL, NULL },
};
luaA_class_setup(L, &wibox_class, "wibox", (lua_class_allocator_t) wibox_new,
wibox_methods, wibox_meta);
luaA_class_add_property(&wibox_class, A_TK_WIDGETS,
(lua_class_propfunc_t) luaA_wibox_set_widgets,
(lua_class_propfunc_t) luaA_wibox_get_widgets,
(lua_class_propfunc_t) luaA_wibox_set_widgets);
luaA_class_add_property(&wibox_class, A_TK_OPACITY,
(lua_class_propfunc_t) luaA_wibox_set_opacity,
(lua_class_propfunc_t) luaA_wibox_get_opacity,
(lua_class_propfunc_t) luaA_wibox_set_opacity);
luaA_class_add_property(&wibox_class, A_TK_VISIBLE,
(lua_class_propfunc_t) luaA_wibox_set_visible,
(lua_class_propfunc_t) luaA_wibox_get_visible,
(lua_class_propfunc_t) luaA_wibox_set_visible);
luaA_class_add_property(&wibox_class, A_TK_BORDER_COLOR,
(lua_class_propfunc_t) luaA_wibox_set_border_color,
(lua_class_propfunc_t) luaA_wibox_get_border_color,
(lua_class_propfunc_t) luaA_wibox_set_border_color);
luaA_class_add_property(&wibox_class, A_TK_BORDER_WIDTH,
(lua_class_propfunc_t) luaA_wibox_set_border_width,
(lua_class_propfunc_t) luaA_wibox_get_border_width,
(lua_class_propfunc_t) NULL);
luaA_class_add_property(&wibox_class, A_TK_ORIENTATION,
(lua_class_propfunc_t) luaA_wibox_set_orientation,
(lua_class_propfunc_t) luaA_wibox_get_orientation,
(lua_class_propfunc_t) luaA_wibox_set_orientation);
luaA_class_add_property(&wibox_class, A_TK_ONTOP,
(lua_class_propfunc_t) luaA_wibox_set_ontop,
(lua_class_propfunc_t) luaA_wibox_get_ontop,
(lua_class_propfunc_t) luaA_wibox_set_ontop);
luaA_class_add_property(&wibox_class, A_TK_SCREEN,
NULL,
(lua_class_propfunc_t) luaA_wibox_get_screen,
(lua_class_propfunc_t) luaA_wibox_set_screen);
luaA_class_add_property(&wibox_class, A_TK_CURSOR,
(lua_class_propfunc_t) luaA_wibox_set_cursor,
(lua_class_propfunc_t) luaA_wibox_get_cursor,
(lua_class_propfunc_t) luaA_wibox_set_cursor);
luaA_class_add_property(&wibox_class, A_TK_CLIENT,
(lua_class_propfunc_t) luaA_wibox_set_client,
(lua_class_propfunc_t) luaA_wibox_get_client,
(lua_class_propfunc_t) luaA_wibox_set_client);
luaA_class_add_property(&wibox_class, A_TK_POSITION,
(lua_class_propfunc_t) luaA_wibox_set_position,
(lua_class_propfunc_t) luaA_wibox_get_position,
(lua_class_propfunc_t) luaA_wibox_set_position);
luaA_class_add_property(&wibox_class, A_TK_ALIGN,
(lua_class_propfunc_t) luaA_wibox_set_align,
(lua_class_propfunc_t) luaA_wibox_get_align,
(lua_class_propfunc_t) luaA_wibox_set_align);
luaA_class_add_property(&wibox_class, A_TK_FG,
(lua_class_propfunc_t) luaA_wibox_set_fg,
(lua_class_propfunc_t) luaA_wibox_get_fg,
(lua_class_propfunc_t) luaA_wibox_set_fg);
luaA_class_add_property(&wibox_class, A_TK_BG,
(lua_class_propfunc_t) luaA_wibox_set_bg,
(lua_class_propfunc_t) luaA_wibox_get_bg,
(lua_class_propfunc_t) luaA_wibox_set_bg);
luaA_class_add_property(&wibox_class, A_TK_BG_IMAGE,
(lua_class_propfunc_t) luaA_wibox_set_bg_image,
(lua_class_propfunc_t) luaA_wibox_get_bg_image,
(lua_class_propfunc_t) luaA_wibox_set_bg_image);
luaA_class_add_property(&wibox_class, A_TK_X,
(lua_class_propfunc_t) luaA_wibox_set_x,
(lua_class_propfunc_t) luaA_wibox_get_x,
(lua_class_propfunc_t) luaA_wibox_set_x);
luaA_class_add_property(&wibox_class, A_TK_Y,
(lua_class_propfunc_t) luaA_wibox_set_y,
(lua_class_propfunc_t) luaA_wibox_get_y,
(lua_class_propfunc_t) luaA_wibox_set_y);
luaA_class_add_property(&wibox_class, A_TK_WIDTH,
(lua_class_propfunc_t) luaA_wibox_set_width,
(lua_class_propfunc_t) luaA_wibox_get_width,
(lua_class_propfunc_t) luaA_wibox_set_width);
luaA_class_add_property(&wibox_class, A_TK_HEIGHT,
(lua_class_propfunc_t) luaA_wibox_set_height,
(lua_class_propfunc_t) luaA_wibox_get_height,
(lua_class_propfunc_t) luaA_wibox_set_height);
luaA_class_add_property(&wibox_class, A_TK_SHAPE_BOUNDING,
(lua_class_propfunc_t) luaA_wibox_set_shape_bounding,
(lua_class_propfunc_t) luaA_wibox_get_shape_bounding,
(lua_class_propfunc_t) luaA_wibox_set_shape_bounding);
luaA_class_add_property(&wibox_class, A_TK_SHAPE_CLIP,
(lua_class_propfunc_t) luaA_wibox_set_shape_clip,
(lua_class_propfunc_t) luaA_wibox_get_shape_clip,
(lua_class_propfunc_t) luaA_wibox_set_shape_clip);
}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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