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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 "common/xcursor.h"
#include "common/xutil.h"
DO_LUA_TOSTRING(wibox_t, wibox, "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 = luaL_checkudata(L, 1, "wibox");
p_delete(&wibox->cursor);
wibox_wipe(wibox);
widget_node_array_wipe(&wibox->widgets);
return luaA_object_gc(L);
}
void
wibox_unref_simplified(wibox_t **item)
{
wibox_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 w The wibox the adjust the opacity of.
* \param opacity A value between 0 and 1 which describes the opacity.
*/
static inline void
wibox_opacity_set(wibox_t *w, double opacity)
{
w->opacity = opacity;
if(w->window != XCB_NONE)
window_opacity_set(w->window, opacity);
}
void
wibox_moveresize(wibox_t *w, area_t geometry)
{
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);
}
else
w->geometry = geometry;
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);
}
/** Set a wibox border width.
* \param w The wibox to change border width.
* \param border_width The border width in pixel.
*/
void
wibox_border_width_set(wibox_t *w, uint32_t border_width)
{
xcb_configure_window(globalconf.connection, w->window, XCB_CONFIG_WINDOW_BORDER_WIDTH,
&border_width);
w->border.width = border_width;
}
/** Set a wibox border color.
* \param w The wibox to change border width.
* \param color The border color.
*/
void
wibox_border_color_set(wibox_t *w, const xcolor_t *color)
{
xcb_change_window_attributes(globalconf.connection, w->window,
XCB_CW_BORDER_PIXEL, &color->pixel);
w->border.color = *color;
}
/** Set wibox orientation.
* \param w The wibox.
* \param o The new orientation.
*/
void
wibox_orientation_set(wibox_t *w, orientation_t o)
{
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);
}
}
/** Set wibox cursor.
* \param w The wibox.
* \param c The cursor.
*/
static void
wibox_cursor_set(wibox_t *w, xcb_cursor_t c)
{
if(w->window)
xcb_change_window_attributes(globalconf.connection, w->window, XCB_CW_CURSOR,
(const uint32_t[]) { c });
}
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();
}
static void
wibox_move(wibox_t *wibox, int16_t x, int16_t y)
{
if(wibox->window
&& (x != wibox->geometry.x || y != wibox->geometry.y))
{
xcb_configure_window(globalconf.connection, wibox->window,
XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y,
(const uint32_t[]) { x, y });
wibox->screen = screen_getbycoord(wibox->screen, x, y);
}
wibox->geometry.x = x;
wibox->geometry.y = y;
}
static void
wibox_resize(wibox_t *w, uint16_t width, uint16_t height)
{
if(width <= 0 || height <= 0 || (w->geometry.width == width && w->geometry.height == height))
return;
w->geometry.width = width;
w->geometry.height = height;
if(w->window)
{
xcb_screen_t *s = xutil_screen_get(globalconf.connection, w->ctx.phys_screen);
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_create_pixmap(globalconf.connection, s->root_depth, w->pixmap, s->root,
w->geometry.width, w->geometry.height);
xcb_configure_window(globalconf.connection, w->window,
XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT,
(const uint32_t[]) { w->geometry.width, w->geometry.height });
wibox_draw_context_update(w, s);
}
wibox_need_update(w);
}
/** 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->isvisible
&& 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->isvisible)
{
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_setvisible(wibox_t *wibox, bool v)
{
if(v != wibox->isvisible)
{
wibox->isvisible = v;
wibox->mouse_over = NULL;
if(wibox->screen)
{
if(wibox->isvisible)
wibox_map(wibox);
else
xcb_unmap_window(globalconf.connection, wibox->window);
/* kick out systray if needed */
wibox_systray_refresh(wibox);
}
hook_property(wibox, 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 wibox Wibox to detach from screen.
*/
static void
wibox_detach(wibox_t *wibox)
{
if(wibox->screen)
{
bool v;
/* save visible state */
v = wibox->isvisible;
wibox->isvisible = false;
wibox_systray_refresh(wibox);
/* restore visibility */
wibox->isvisible = 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, wibox, "screen");
wibox->screen = NULL;
wibox_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(screen_t *s)
{
int phys_screen = screen_virttophys(screen_array_indexof(&globalconf.screens, s));
wibox_t *wibox = wibox_ref(globalconf.L, -1);
wibox_detach(wibox);
/* 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_move(wibox, s->geometry.x, s->geometry.y);
wibox_array_append(&globalconf.wiboxes, wibox);
wibox_init(wibox, phys_screen);
wibox_cursor_set(wibox,
xcursor_new(globalconf.connection, xcursor_font_fromstr(wibox->cursor)));
wibox_opacity_set(wibox, wibox->opacity);
if(wibox->isvisible)
wibox_map(wibox);
else
wibox_need_update(wibox);
hook_property(wibox, wibox, "screen");
}
/** 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)
{
wibox_t *w;
const char *buf;
size_t len;
xcolor_init_request_t reqs[3];
int i, reqs_nbr = -1;
luaA_checktable(L, 2);
w = wibox_new(L);
w->ctx.fg = globalconf.colors.fg;
if((buf = luaA_getopt_lstring(L, 2, "fg", NULL, &len)))
reqs[++reqs_nbr] = xcolor_init_unchecked(&w->ctx.fg, buf, len);
w->ctx.bg = globalconf.colors.bg;
if((buf = luaA_getopt_lstring(L, 2, "bg", NULL, &len)))
reqs[++reqs_nbr] = xcolor_init_unchecked(&w->ctx.bg, buf, len);
w->border.color = globalconf.colors.bg;
if((buf = luaA_getopt_lstring(L, 2, "border_color", NULL, &len)))
reqs[++reqs_nbr] = xcolor_init_unchecked(&w->border.color, buf, len);
w->ontop = luaA_getopt_boolean(L, 2, "ontop", false);
w->opacity = -1;
w->border.width = luaA_getopt_number(L, 2, "border_width", 0);
w->geometry.x = luaA_getopt_number(L, 2, "x", 0);
w->geometry.y = luaA_getopt_number(L, 2, "y", 0);
w->geometry.width = luaA_getopt_number(L, 2, "width", 100);
w->geometry.height = luaA_getopt_number(L, 2, "height", globalconf.font->height * 1.5);
w->isvisible = true;
w->cursor = a_strdup("left_ptr");
for(i = 0; i <= reqs_nbr; i++)
xcolor_init_reply(reqs[i]);
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)
{
wibox_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 */
}
}
}
/** Wibox object.
* \param L The Lua VM state.
* \return The number of elements pushed on stack.
* \luastack
* \lfield screen Screen number.
* \lfield client The client attached to (titlebar).
* \lfield border_width Border width.
* \lfield border_color Border color.
* \lfield align The alignment (titlebar).
* \lfield fg Foreground color.
* \lfield bg Background color.
* \lfield bg_image Background image.
* \lfield position The position (titlebar).
* \lfield ontop On top of other windows.
* \lfield cursor The mouse cursor.
* \lfield visible Visibility.
* \lfield orientation The drawing orientation: east, north or south.
* \lfield widgets An array with all widgets drawn on this wibox.
* \lfield opacity The opacity of the wibox, between 0 and 1.
* \lfield mouse_enter A function to execute when the mouse enter the widget.
* \lfield mouse_leave A function to execute when the mouse leave the widget.
* \lfield shape_clip Image describing the window's content shape.
* \lfield shape_bounding Image describing the window's border shape.
*/
static int
luaA_wibox_index(lua_State *L)
{
size_t len;
wibox_t *wibox = luaL_checkudata(L, 1, "wibox");
const char *attr = luaL_checklstring(L, 2, &len);
if(luaA_usemetatable(L, 1, 2))
return 1;
switch(a_tokenize(attr, len))
{
case A_TK_VISIBLE:
lua_pushboolean(L, wibox->isvisible);
break;
case A_TK_CLIENT:
return client_push(L, client_getbytitlebar(wibox));
case A_TK_SCREEN:
if(!wibox->screen)
return 0;
lua_pushnumber(L, screen_array_indexof(&globalconf.screens, wibox->screen) + 1);
break;
case A_TK_BORDER_WIDTH:
lua_pushnumber(L, wibox->border.width);
break;
case A_TK_BORDER_COLOR:
luaA_pushxcolor(L, &wibox->border.color);
break;
case A_TK_ALIGN:
if(wibox->type == WIBOX_TYPE_NORMAL)
luaA_deprecate(L, "awful.wibox.align");
lua_pushstring(L, draw_align_tostr(wibox->align));
break;
case A_TK_FG:
luaA_pushxcolor(L, &wibox->ctx.fg);
break;
case A_TK_BG:
luaA_pushxcolor(L, &wibox->ctx.bg);
break;
case A_TK_BG_IMAGE:
luaA_object_push_item(L, 1, wibox->bg_image);
break;
case A_TK_POSITION:
if(wibox->type == WIBOX_TYPE_NORMAL)
luaA_deprecate(L, "awful.wibox.attach");
lua_pushstring(L, position_tostr(wibox->position));
break;
case A_TK_ONTOP:
lua_pushboolean(L, wibox->ontop);
break;
case A_TK_ORIENTATION:
lua_pushstring(L, orientation_tostr(wibox->orientation));
break;
case A_TK_WIDGETS:
return luaA_object_push_item(L, 1, wibox->widgets_table);
case A_TK_CURSOR:
lua_pushstring(L, wibox->cursor);
break;
case A_TK_OPACITY:
if (wibox->opacity >= 0)
lua_pushnumber(L, wibox->opacity);
else
return 0;
break;
case A_TK_MOUSE_ENTER:
return luaA_object_push_item(L, 1, wibox->mouse_enter);
case A_TK_MOUSE_LEAVE:
return luaA_object_push_item(L, 1, wibox->mouse_leave);
case A_TK_SHAPE_BOUNDING:
return luaA_object_push_item(L, 1, wibox->shape.bounding);
case A_TK_SHAPE_CLIP:
return luaA_object_push_item(L, 1, wibox->shape.clip);
case A_TK_BUTTONS:
return luaA_object_push_item(L, 1, wibox->buttons);
default:
return 0;
}
return 1;
}
/* 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 = luaL_checkudata(L, 1, "wibox");
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);
switch(wibox->type)
{
case WIBOX_TYPE_TITLEBAR:
wibox_resize(wibox, wingeom.width, wingeom.height);
break;
case WIBOX_TYPE_NORMAL:
wibox_moveresize(wibox, wingeom);
break;
}
}
return luaA_pusharea(L, wibox->geometry);
}
/** Wibox newindex.
* \param L The Lua VM state.
* \return The number of elements pushed on stack.
*/
static int
luaA_wibox_newindex(lua_State *L)
{
size_t len;
wibox_t *wibox = luaL_checkudata(L, 1, "wibox");
const char *buf, *attr = luaL_checklstring(L, 2, &len);
awesome_token_t tok;
switch((tok = a_tokenize(attr, len)))
{
bool b;
case A_TK_FG:
if((buf = luaL_checklstring(L, 3, &len)))
if(xcolor_init_reply(xcolor_init_unchecked(&wibox->ctx.fg, buf, len)))
wibox->need_update = true;
break;
case A_TK_BG:
if((buf = luaL_checklstring(L, 3, &len)))
if(xcolor_init_reply(xcolor_init_unchecked(&wibox->ctx.bg, buf, len)))
wibox->need_update = true;
break;
case A_TK_BG_IMAGE:
luaA_object_unref_item(L, 1, wibox->bg_image);
wibox->bg_image = luaA_object_ref_item(L, 1, 3);
wibox->need_update = true;
break;
case A_TK_ALIGN:
buf = luaL_checklstring(L, 3, &len);
wibox->align = draw_align_fromstr(buf, len);
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;
}
break;
case A_TK_POSITION:
switch(wibox->type)
{
case WIBOX_TYPE_NORMAL:
if((buf = luaL_checklstring(L, 3, &len)))
{
luaA_deprecate(L, "awful.wibox.attach");
wibox->position = position_fromstr(buf, len);
}
break;
case WIBOX_TYPE_TITLEBAR:
return luaA_titlebar_newindex(L, wibox, tok);
}
break;
case A_TK_CLIENT:
/* first detach */
if(lua_isnil(L, 3))
titlebar_client_detach(client_getbytitlebar(wibox));
else
{
client_t *c = luaA_client_checkudata(L, -1);
lua_pushvalue(L, 1);
titlebar_client_attach(c);
}
break;
case A_TK_CURSOR:
if((buf = luaL_checkstring(L, 3)))
{
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);
wibox_cursor_set(wibox, cursor);
}
}
break;
case A_TK_SCREEN:
if(lua_isnil(L, 3))
{
wibox_detach(wibox);
titlebar_client_detach(client_getbytitlebar(wibox));
}
else
{
int screen = luaL_checknumber(L, 3) - 1;
luaA_checkscreen(screen);
if(!wibox->screen || screen != screen_array_indexof(&globalconf.screens, wibox->screen))
{
titlebar_client_detach(client_getbytitlebar(wibox));
lua_pushvalue(L, 1);
wibox_attach(&globalconf.screens.tab[screen]);
}
}
break;
case A_TK_ONTOP:
b = luaA_checkboolean(L, 3);
if(b != wibox->ontop)
{
wibox->ontop = b;
client_stack();
}
break;
case A_TK_ORIENTATION:
if((buf = luaL_checklstring(L, 3, &len)))
{
wibox_orientation_set(wibox, orientation_fromstr(buf, len));
wibox_need_update(wibox);
}
break;
case A_TK_BORDER_COLOR:
if((buf = luaL_checklstring(L, 3, &len)))
if(xcolor_init_reply(xcolor_init_unchecked(&wibox->border.color, buf, len)))
if(wibox->window)
wibox_border_color_set(wibox, &wibox->border.color);
break;
case A_TK_VISIBLE:
b = luaA_checkboolean(L, 3);
if(b != wibox->isvisible)
switch(wibox->type)
{
case WIBOX_TYPE_NORMAL:
wibox_setvisible(wibox, b);
break;
case WIBOX_TYPE_TITLEBAR:
titlebar_set_visible(wibox, b);
break;
}
break;
case A_TK_WIDGETS:
if(luaA_isloop(L, 3))
{
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, 3);
/* register object */
wibox->widgets_table = luaA_object_ref_item(L, 1, -1);
wibox_need_update(wibox);
luaA_table2wtable(L);
break;
case A_TK_OPACITY:
if(lua_isnil(L, 3))
wibox_opacity_set(wibox, -1);
else
{
double d = luaL_checknumber(L, 3);
if(d >= 0 && d <= 1)
wibox_opacity_set(wibox, d);
}
break;
case A_TK_MOUSE_ENTER:
luaA_checkfunction(L, 3);
luaA_object_unref_item(L, 1, wibox->mouse_enter);
wibox->mouse_enter = luaA_object_ref_item(L, 1, 3);
return 0;
case A_TK_MOUSE_LEAVE:
luaA_checkfunction(L, 3);
luaA_object_unref_item(L, 1, wibox->mouse_leave);
wibox->mouse_leave = luaA_object_ref_item(L, 1, 3);
return 0;
case A_TK_SHAPE_BOUNDING:
luaA_object_unref_item(L, 1, wibox->shape.bounding);
wibox->shape.bounding = luaA_object_ref_item(L, 1, 3);
wibox->need_shape_update = true;
break;
case A_TK_SHAPE_CLIP:
luaA_object_unref_item(L, 1, wibox->shape.clip);
wibox->shape.clip = luaA_object_ref_item(L, 1, 3);
wibox->need_shape_update = true;
case A_TK_BUTTONS:
luaA_object_unref_item(L, 1, wibox->buttons);
wibox->buttons = luaA_object_ref_item(L, 1, 3);
break;
default:
switch(wibox->type)
{
case WIBOX_TYPE_TITLEBAR:
return luaA_titlebar_newindex(L, wibox, tok);
case WIBOX_TYPE_NORMAL:
break;
}
}
return 0;
}
const struct luaL_reg awesome_wibox_methods[] =
{
LUA_CLASS_METHODS(wibox)
{ "__call", luaA_wibox_new },
{ NULL, NULL }
};
const struct luaL_reg awesome_wibox_meta[] =
{
LUA_OBJECT_META
{ "geometry", luaA_wibox_geometry },
{ "__index", luaA_wibox_index },
{ "__newindex", luaA_wibox_newindex },
{ "__gc", luaA_wibox_gc },
{ "__tostring", luaA_wibox_tostring },
{ NULL, NULL },
};
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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