535 lines
16 KiB
C
535 lines
16 KiB
C
/*
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* titlebar.c - titlebar management
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*
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* Copyright © 2008 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 <xcb/xcb_aux.h>
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#include <math.h>
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#include "titlebar.h"
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#include "client.h"
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#include "screen.h"
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#include "widget.h"
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#include "layouts/floating.h"
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extern awesome_t globalconf;
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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(titlebar_t *titlebar)
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{
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client_t *c;
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for(c = globalconf.clients; c; c = c->next)
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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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client_t *c;
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for(c = globalconf.clients; c; c = c->next)
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if(c->titlebar && c->titlebar->sw && c->titlebar->sw->window == win)
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return c;
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return NULL;
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}
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/** Draw the titlebar content.
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* \param c The client.
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*/
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void
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titlebar_draw(client_t *c)
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{
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xcb_drawable_t dw = 0;
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draw_context_t *ctx;
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xcb_screen_t *s;
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if(!c->titlebar || !c->titlebar->sw || !c->titlebar->position)
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return;
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s = xutil_screen_get(globalconf.connection,
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c->titlebar->sw->phys_screen);
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switch(c->titlebar->position)
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{
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case Off:
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return;
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case Right:
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case Left:
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dw = xcb_generate_id(globalconf.connection);
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xcb_create_pixmap(globalconf.connection, s->root_depth,
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dw,
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s->root,
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c->titlebar->sw->geometry.height,
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c->titlebar->sw->geometry.width);
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ctx = draw_context_new(globalconf.connection, c->titlebar->sw->phys_screen,
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c->titlebar->sw->geometry.height,
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c->titlebar->sw->geometry.width,
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dw,
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c->titlebar->colors.fg,
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c->titlebar->colors.bg);
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break;
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default:
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ctx = draw_context_new(globalconf.connection, c->titlebar->sw->phys_screen,
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c->titlebar->sw->geometry.width,
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c->titlebar->sw->geometry.height,
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c->titlebar->sw->pixmap,
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c->titlebar->colors.fg,
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c->titlebar->colors.bg);
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break;
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}
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widget_render(c->titlebar->widgets, ctx, c->titlebar->sw->gc, c->titlebar->sw->pixmap,
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c->screen, c->titlebar->position,
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c->titlebar->sw->geometry.x, c->titlebar->sw->geometry.y, c->titlebar);
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switch(c->titlebar->position)
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{
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case Left:
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draw_rotate(ctx, ctx->pixmap, c->titlebar->sw->pixmap,
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ctx->width, ctx->height,
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ctx->height, ctx->width,
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- M_PI_2, 0, c->titlebar->sw->geometry.height);
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xcb_free_pixmap(globalconf.connection, dw);
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break;
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case Right:
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draw_rotate(ctx, ctx->pixmap, c->titlebar->sw->pixmap,
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ctx->width, ctx->height,
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ctx->height, ctx->width,
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M_PI_2, c->titlebar->sw->geometry.width, 0);
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xcb_free_pixmap(globalconf.connection, dw);
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default:
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break;
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}
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simplewindow_refresh_pixmap(c->titlebar->sw);
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draw_context_delete(&ctx);
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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 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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if(c->titlebar->width)
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width = MAX(1, MIN(c->titlebar->width, geometry.width - 2 * c->titlebar->border.width));
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else
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width = MAX(1, geometry.width + 2 * c->border - 2 * c->titlebar->border.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 = 2 * c->border + geometry.width - width - 2 * c->titlebar->border.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->height - 2 * c->titlebar->border.width + c->border;
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res->width = width;
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res->height = c->titlebar->height;
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break;
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case Bottom:
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if(c->titlebar->width)
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width = MAX(1, MIN(c->titlebar->width, geometry.width - 2 * c->titlebar->border.width));
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else
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width = MAX(1, geometry.width + 2 * c->border - 2 * c->titlebar->border.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 = 2 * c->border + geometry.width - width - 2 * c->titlebar->border.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 + c->border;
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res->width = width;
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res->height = c->titlebar->height;
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break;
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case Left:
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if(c->titlebar->width)
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width = MAX(1, MIN(c->titlebar->width, geometry.height - 2 * c->titlebar->border.width));
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else
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width = MAX(1, geometry.height + 2 * c->border - 2 * c->titlebar->border.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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y_offset = 2 * c->border + geometry.height - width - 2 * c->titlebar->border.width;
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break;
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case AlignCenter:
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y_offset = (geometry.height - width) / 2;
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break;
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}
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res->x = geometry.x - c->titlebar->height + c->border;
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res->y = geometry.y + y_offset;
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res->width = c->titlebar->height;
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res->height = width;
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break;
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case Right:
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if(c->titlebar->width)
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width = MAX(1, MIN(c->titlebar->width, geometry.height - 2 * c->titlebar->border.width));
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else
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width = MAX(1, geometry.height + 2 * c->border - 2 * c->titlebar->border.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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y_offset = 2 * c->border + geometry.height - width - 2 * c->titlebar->border.width;
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break;
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case AlignCenter:
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y_offset = (geometry.height - width) / 2;
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break;
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}
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res->x = geometry.x + geometry.width + c->border;
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res->y = geometry.y + y_offset;
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res->width = c->titlebar->height;
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res->height = width;
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break;
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}
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}
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/** Set client titlebar position.
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* \param c The client.
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*/
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void
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titlebar_init(client_t *c)
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{
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int width = 0, height = 0;
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area_t geom;
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switch(c->titlebar->position)
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{
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default:
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c->titlebar->position = Off;
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return;
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case Top:
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case Bottom:
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if(c->titlebar->width)
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width = MIN(c->titlebar->width, c->geometry.width - 2 * c->titlebar->border.width);
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else
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width = c->geometry.width + 2 * c->border - 2 * c->titlebar->border.width;
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height = c->titlebar->height;
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break;
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case Left:
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case Right:
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if(c->titlebar->width)
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height = MIN(c->titlebar->width, c->geometry.height - 2 * c->titlebar->border.width);
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else
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height = c->geometry.height + 2 * c->border - 2 * c->titlebar->border.width;
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width = c->titlebar->height;
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break;
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}
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titlebar_geometry_compute(c, c->geometry, &geom);
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c->titlebar->sw = simplewindow_new(globalconf.connection, c->phys_screen, geom.x, geom.y,
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geom.width, geom.height, c->titlebar->border.width);
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if(c->titlebar->border.width)
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xcb_change_window_attributes(globalconf.connection, c->titlebar->sw->window,
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XCB_CW_BORDER_PIXEL, &c->titlebar->border.color.pixel);
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if(client_isvisible(c, c->screen))
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globalconf.screens[c->screen].need_arrange = true;
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titlebar_draw(c);
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}
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/** Create a new titlebar.
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* \param L The Lua VM state.
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* \return The number of value pushed.
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*
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* \luastack
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* \lparam A table with values: align, position, fg, bg, border_width,
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* border_color, width and height.
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* \lreturn A brand new titlebar.
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*/
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static int
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luaA_titlebar_new(lua_State *L)
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{
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titlebar_t *tb;
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const char *color;
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luaA_checktable(L, 1);
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tb = p_new(titlebar_t, 1);
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tb->align = draw_align_get_from_str(luaA_getopt_string(L, 1, "align", "left"));
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tb->width = luaA_getopt_number(L, 1, "width", 0);
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tb->height = luaA_getopt_number(L, 1, "height", 0);
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if(tb->height <= 0)
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/* 1.5 as default factor, it fits nice but no one knows why */
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tb->height = 1.5 * globalconf.font->height;
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tb->position = position_get_from_str(luaA_getopt_string(L, 1, "position", "top"));
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if((color = luaA_getopt_string(L, -1, "fg", NULL)))
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xcolor_new(globalconf.connection, globalconf.default_screen,
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color, &tb->colors.fg);
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else
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tb->colors.fg = globalconf.colors.fg;
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if((color = luaA_getopt_string(L, 1, "bg", NULL)))
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xcolor_new(globalconf.connection, globalconf.default_screen,
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color, &tb->colors.bg);
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else
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tb->colors.bg = globalconf.colors.bg;
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if((color = luaA_getopt_string(L, 1, "border_color", NULL)))
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xcolor_new(globalconf.connection, globalconf.default_screen,
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color, &tb->border.color);
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tb->border.width = luaA_getopt_number(L, 1, "border_width", 0);
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return luaA_titlebar_userdata_new(tb);
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}
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/** Add a widget to a titlebar.
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* \param L The Lua VM state.
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* \return The number of value pushed.
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*
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* \luastack
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* \lvalue A titlebar.
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* \lparam A widget.
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*/
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static int
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luaA_titlebar_widget_add(lua_State *L)
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{
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titlebar_t **tb = luaA_checkudata(L, 1, "titlebar");
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widget_t **widget = luaA_checkudata(L, 2, "widget");
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widget_node_t *witer, *w = p_new(widget_node_t, 1);
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if((*widget)->type == systray_new)
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luaL_error(L, "cannot add systray widget to titlebar");
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/* check that there is not already a widget with that name in the titlebar */
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for(witer = (*tb)->widgets; witer; witer = witer->next)
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if(witer->widget == *widget)
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luaL_error(L, "widget `%s' is already on titlebar");
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else if(!a_strcmp(witer->widget->name, (*widget)->name))
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luaL_error(L, "a widget with name `%s' already on titlebar", witer->widget->name);
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w->widget = *widget;
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widget_node_list_append(&(*tb)->widgets, w);
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widget_ref(widget);
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titlebar_draw(client_getbytitlebar(*tb));
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return 0;
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}
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/** Get all widgets from a titlebar.
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* \param L The Lua VM state.
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* \return The number of value pushed.
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*
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* \luastack
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* \lvalue A titlebar
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* \lreturn A table with all widgets from the titlebar.
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*/
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static int
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luaA_titlebar_widget_get(lua_State *L)
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{
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titlebar_t **tb = luaA_checkudata(L, 1, "titlebar");
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widget_node_t *witer;
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lua_newtable(L);
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for(witer = (*tb)->widgets; witer; witer = witer->next)
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{
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luaA_widget_userdata_new(witer->widget);
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lua_setfield(L, -2, witer->widget->name);
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}
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return 1;
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}
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/** Get the client which the titlebar is attached to. That is a the same as
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* checking if every clients's titlebar is equal to titlebar.
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* \param L The Lua VM state.
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*
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* \luastack
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* \lvalue A titlebar.
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* \lreturn A client if the titlebar is attached, nil otherwise.
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*/
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static int
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luaA_titlebar_client_get(lua_State *L)
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{
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titlebar_t **titlebar = luaA_checkudata(L, 1, "titlebar");
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client_t *c;
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if((c = client_getbytitlebar(*titlebar)))
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return luaA_client_userdata_new(c);
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return 0;
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}
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/** Set titlebar colors.
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* \param L The Lua VM state.
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* \return The number of value pushed.
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*
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* \luastack
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* \lvalue A titlebar.
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* \lparam A table with keys `fg' and `bg', for foreground and background colors.
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*/
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static int
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luaA_titlebar_colors_set(lua_State *L)
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{
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titlebar_t **tb = luaA_checkudata(L, 1, "titlebar");
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const char *color;
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luaA_checktable(L, 2);
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if((color = luaA_getopt_string(L, 2, "fg", NULL)))
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xcolor_new(globalconf.connection, globalconf.default_screen,
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color, &(*tb)->colors.fg);
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if((color = luaA_getopt_string(L, 2, "bg", NULL)))
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xcolor_new(globalconf.connection, globalconf.default_screen,
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color, &(*tb)->colors.bg);
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titlebar_draw(client_getbytitlebar(*tb));
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return 0;
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}
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/** Set titlebar border color and width.
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* \param L The Lua VM state.
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* \return The number of value pushed.
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*
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* \luastack
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* \lvalue A titlebar.
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* \lparam A table with keys `color' and `width'.
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*/
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static int
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luaA_titlebar_border_set(lua_State *L)
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{
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titlebar_t **tb = luaA_checkudata(L, 1, "titlebar");
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client_t *c;
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const char *color;
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int border_width;
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luaA_checktable(L, 2);
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if((color = luaA_getopt_string(L, 2, "color", NULL)))
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{
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xcolor_new(globalconf.connection, globalconf.default_screen,
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color, &(*tb)->border.color);
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if((*tb)->sw)
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xcb_change_window_attributes(globalconf.connection, (*tb)->sw->window,
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XCB_CW_BORDER_PIXEL, &(*tb)->border.color.pixel);
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}
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if((border_width = luaA_getopt_number(L, 2, "width", -1)) >= 0)
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{
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(*tb)->border.width = border_width;
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if((*tb)->sw)
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simplewindow_border_width_set((*tb)->sw, border_width);
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if((c = client_getbytitlebar(*tb)) && client_isvisible(c, c->screen))
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{
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globalconf.screens[c->screen].need_arrange = true;
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if(c->isfloating)
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titlebar_update_geometry_floating(c);
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}
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}
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return 0;
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}
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/** Create a new titlebar userdata.
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* \param t The titlebar.
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* \return The number of value pushed.
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*/
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int
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luaA_titlebar_userdata_new(titlebar_t *t)
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{
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titlebar_t **tb = lua_newuserdata(globalconf.L, sizeof(titlebar_t *));
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*tb = t;
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titlebar_ref(tb);
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return luaA_settype(globalconf.L, "titlebar");
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}
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/** Convert a titlebar to a printable string.
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* \param L The Lua VM state.
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* \return The number of value pushed.
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*
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* \luastack
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* \lvalue A titlebar.
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* \lreturn A string.
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*/
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static int
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luaA_titlebar_tostring(lua_State *L)
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{
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titlebar_t **p = luaA_checkudata(L, 1, "titlebar");
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lua_pushfstring(L, "[titlebar udata(%p)]", *p);
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return 1;
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}
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DO_LUA_GC(titlebar_t, titlebar, "titlebar", titlebar_unref)
|
|
DO_LUA_EQ(titlebar_t, titlebar, "titlebar")
|
|
|
|
const struct luaL_reg awesome_titlebar_methods[] =
|
|
{
|
|
{ "new", luaA_titlebar_new },
|
|
{ NULL, NULL }
|
|
};
|
|
const struct luaL_reg awesome_titlebar_meta[] =
|
|
{
|
|
{ "widget_add", luaA_titlebar_widget_add },
|
|
{ "widget_get", luaA_titlebar_widget_get },
|
|
{ "client_get", luaA_titlebar_client_get },
|
|
{ "colors_set", luaA_titlebar_colors_set },
|
|
{ "border_set", luaA_titlebar_border_set },
|
|
{ "__eq", luaA_titlebar_eq },
|
|
{ "__gc", luaA_titlebar_gc },
|
|
{ "__tostring", luaA_titlebar_tostring },
|
|
{ NULL, NULL }
|
|
};
|
|
|
|
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
|