367 lines
10 KiB
C
367 lines
10 KiB
C
/*
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* titlebar.c - titlebar management
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*
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* Copyright © 2008-2009 Julien Danjou <julien@danjou.info>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <xcb/xcb.h>
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#include "titlebar.h"
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#include "objects/client.h"
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#include "widget.h"
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#include "wibox.h"
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#include "screen.h"
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#include "luaa.h"
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/** Get a client by its titlebar.
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* \param titlebar The titlebar.
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* \return A client.
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*/
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client_t *
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client_getbytitlebar(wibox_t *titlebar)
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{
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foreach(c, globalconf.clients)
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if((*c)->titlebar == titlebar)
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return *c;
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return NULL;
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}
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/** Get a client by its titlebar window.
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* \param win The window.
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* \return A client.
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*/
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client_t *
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client_getbytitlebarwin(xcb_window_t win)
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{
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foreach(c, globalconf.clients)
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if((*c)->titlebar && (*c)->titlebar->window == win)
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return *c;
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return NULL;
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}
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/** Move a titlebar out of the viewport.
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* \param titlebar The titlebar.
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*/
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void
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titlebar_ban(wibox_t *titlebar)
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{
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/* Do it manually because client geometry remains unchanged. */
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if(titlebar && !titlebar->isbanned)
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{
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client_t *c;
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if(titlebar->window)
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xcb_unmap_window(globalconf.connection, titlebar->window);
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/* Remove titlebar geometry from client. */
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if((c = client_getbytitlebar(titlebar)))
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c->geometry = titlebar_geometry_remove(titlebar, 0, c->geometry);
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titlebar->isbanned = true;
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}
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}
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/** Move a titlebar on top of its client.
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* \param titlebar The titlebar.
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*/
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void
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titlebar_unban(wibox_t *titlebar)
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{
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/* Do this manually because the system doesn't know we moved the toolbar.
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* Note that !visible titlebars are unmapped and for fullscreen it'll
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* end up offscreen anyway. */
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if(titlebar && titlebar->isbanned)
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{
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client_t *c;
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if(titlebar->window)
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xcb_map_window(globalconf.connection, titlebar->window);
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titlebar->isbanned = false;
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/* Add titlebar geometry from client. */
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if((c = client_getbytitlebar(titlebar)))
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c->geometry = titlebar_geometry_add(titlebar, 0, c->geometry);
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}
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}
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/** Get titlebar area.
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* \param c The client
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* \param geometry The client geometry including borders, excluding titlebars.
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* \param res Pointer to area of titlebar, must be allocated already.
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*/
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void
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titlebar_geometry_compute(client_t *c, area_t geometry, area_t *res)
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{
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int height, width, x_offset = 0, y_offset = 0;
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switch(c->titlebar->position)
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{
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default:
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return;
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case Top:
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width = MAX(1, geometry.width);
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switch(c->titlebar->align)
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{
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default:
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break;
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case AlignRight:
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x_offset = geometry.width - width;
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break;
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case AlignCenter:
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x_offset = (geometry.width - width) / 2;
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break;
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}
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res->x = geometry.x + x_offset;
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res->y = geometry.y - c->titlebar->geometry.height;
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res->width = width;
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res->height = c->titlebar->geometry.height;
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break;
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case Bottom:
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width = MAX(1, geometry.width);
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switch(c->titlebar->align)
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{
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default:
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break;
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case AlignRight:
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x_offset = geometry.width - width;
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break;
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case AlignCenter:
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x_offset = (geometry.width - width) / 2;
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break;
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}
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res->x = geometry.x + x_offset;
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res->y = geometry.y + geometry.height;
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res->width = width;
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res->height = c->titlebar->geometry.height;
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break;
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case Left:
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height = MAX(1, geometry.height);
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switch(c->titlebar->align)
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{
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default:
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break;
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case AlignRight:
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y_offset = geometry.height - height;
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break;
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case AlignCenter:
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y_offset = (geometry.height - height) / 2;
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break;
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}
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res->x = geometry.x - c->titlebar->geometry.width;
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res->y = geometry.y + y_offset;
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res->width = c->titlebar->geometry.width;
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res->height = height;
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break;
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case Right:
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height = MAX(1, geometry.height);
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switch(c->titlebar->align)
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{
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default:
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break;
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case AlignRight:
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y_offset = geometry.height - height;
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break;
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case AlignCenter:
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y_offset = (geometry.height - height) / 2;
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break;
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}
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res->x = geometry.x + geometry.width;
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res->y = geometry.y + y_offset;
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res->width = c->titlebar->geometry.width;
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res->height = height;
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break;
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}
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}
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/** Detach a wibox titlebar from its client.
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* \param c The client.
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*/
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void
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titlebar_client_detach(client_t *c)
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{
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/* If client has a titlebar, kick it out. */
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if(c && c->titlebar)
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{
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/* Update client geometry to exclude the titlebar. */
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c->geometry = titlebar_geometry_remove(c->titlebar, 0, c->geometry);
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wibox_wipe(c->titlebar);
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c->titlebar->type = WIBOX_TYPE_NORMAL;
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c->titlebar->screen = NULL;
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luaA_object_unref(globalconf.L, c->titlebar);
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c->titlebar = NULL;
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luaA_object_push(globalconf.L, c);
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luaA_object_emit_signal(globalconf.L, -1, "property::titlebar", 0);
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lua_pop(globalconf.L, 1);
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client_stack();
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}
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}
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/** Attach a wibox to a client as its titlebar.
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* \param c The client.
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*/
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void
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titlebar_client_attach(client_t *c)
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{
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/* check if we can register the object */
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wibox_t *t = luaA_object_ref_class(globalconf.L, -1, &wibox_class);
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titlebar_client_detach(c);
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/* check if titlebar is already on a client */
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titlebar_client_detach(client_getbytitlebar(t));
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/* check if client already has a titlebar. */
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titlebar_client_detach(c);
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/* set the object as new client's titlebar */
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c->titlebar = t;
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t->type = WIBOX_TYPE_TITLEBAR;
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t->screen = c->screen;
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switch(t->position)
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{
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case Top:
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case Bottom:
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if(!t->geometry.height)
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t->geometry.height = 1.5 * globalconf.font->height;
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break;
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case Left:
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case Right:
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if(!t->geometry.width)
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t->geometry.width = 1.5 * globalconf.font->height;
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break;
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}
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/* Update client geometry to include the titlebar. */
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c->geometry = titlebar_geometry_add(c->titlebar, 0, c->geometry);
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/* Client geometry without titlebar, but including borders, since that is always consistent. */
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titlebar_geometry_compute(c, titlebar_geometry_remove(c->titlebar, 0, c->geometry), &t->geometry);
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wibox_init(t, c->phys_screen);
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t->need_update = true;
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/* Call update geometry. This will move the wibox to the right place,
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* which might be the same as `wingeom', but then it will ban the
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* titlebar if needed. */
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titlebar_update_geometry(c);
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xcb_map_window(globalconf.connection, t->window);
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luaA_object_push(globalconf.L, c);
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luaA_object_emit_signal(globalconf.L, -1, "property::titlebar", 0);
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lua_pop(globalconf.L, 1);
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client_stack();
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}
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/** Map or unmap a titlebar wibox.
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* \param t The wibox/titlebar.
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* \param visible The new state of the titlebar.
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*/
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void
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titlebar_set_visible(wibox_t *t, bool visible)
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{
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if(visible != t->visible)
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{
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if((t->visible = visible))
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titlebar_unban(t);
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else
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titlebar_ban(t);
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client_stack();
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}
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}
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int
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luaA_titlebar_set_position(lua_State *L, int udx)
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{
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wibox_t *titlebar = luaA_checkudata(L, udx, &wibox_class);
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size_t len;
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const char *buf = luaL_checklstring(L, -1, &len);
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position_t position = position_fromstr(buf, len);
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if(position != titlebar->position)
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{
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switch(position)
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{
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case Left:
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switch(titlebar->position)
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{
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int tmp;
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case Left:
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case Right:
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break;
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case Top:
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case Bottom:
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tmp = titlebar->geometry.width;
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titlebar->geometry.width = titlebar->geometry.height;
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titlebar->geometry.height = tmp;
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break;
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}
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wibox_set_orientation(L, udx, North);
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break;
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case Right:
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switch(titlebar->position)
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{
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int tmp;
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case Left:
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case Right:
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break;
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case Top:
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case Bottom:
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tmp = titlebar->geometry.width;
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titlebar->geometry.width = titlebar->geometry.height;
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titlebar->geometry.height = tmp;
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break;
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}
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wibox_set_orientation(L, udx, South);
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break;
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case Top:
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case Bottom:
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switch(titlebar->position)
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{
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int tmp;
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case Left:
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case Right:
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tmp = titlebar->geometry.width;
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titlebar->geometry.width = titlebar->geometry.height;
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titlebar->geometry.height = tmp;
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break;
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case Top:
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case Bottom:
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break;
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}
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wibox_set_orientation(L, udx, East);
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break;
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}
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titlebar->position = position;
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client_t *c;
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if((c = client_getbytitlebar(titlebar)))
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titlebar_update_geometry(c);
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}
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return 0;
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}
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// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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