awesome/titlebar.c

567 lines
17 KiB
C

/*
* titlebar.c - titlebar management
*
* Copyright © 2008 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/xcb.h>
#include <xcb/xcb_aux.h>
#include <math.h>
#include "titlebar.h"
#include "client.h"
#include "screen.h"
#include "widget.h"
#include "layouts/floating.h"
extern awesome_t globalconf;
/** Get a titlebar for a client
* \param c The client.
* \return A titlebar.
*/
titlebar_t *
titlebar_getbyclient(client_t *c)
{
titlebar_t *t;
for(t = globalconf.titlebar; t; t = t->next)
if(t->client == c)
return t;
return NULL;
}
/** Get a titlebar which own a window.
* \param The window.
* \return A titlebar.
*/
titlebar_t *
titlebar_getbywin(xcb_window_t win)
{
titlebar_t *t;
for(t = globalconf.titlebar; t; t = t->next)
if(t->sw && t->sw->window == win)
return t;
return NULL;
}
/** Draw the titlebar content.
* \param c the client
* \todo stop duplicating the context
*/
void
titlebar_draw(titlebar_t *titlebar)
{
xcb_drawable_t dw = 0;
draw_context_t *ctx;
area_t geometry;
xcb_screen_t *s;
if(!titlebar || !titlebar->sw || !titlebar->position)
return;
s = xcb_aux_get_screen(globalconf.connection,
titlebar->sw->phys_screen);
/** \todo move this in init */
switch(titlebar->position)
{
case Off:
return;
case Right:
case Left:
dw = xcb_generate_id(globalconf.connection);
xcb_create_pixmap(globalconf.connection, s->root_depth,
dw,
s->root,
titlebar->sw->geometry.height,
titlebar->sw->geometry.width);
ctx = draw_context_new(globalconf.connection, titlebar->sw->phys_screen,
titlebar->sw->geometry.height,
titlebar->sw->geometry.width,
dw,
titlebar->colors.fg,
titlebar->colors.bg);
geometry.width = titlebar->sw->geometry.height;
geometry.height = titlebar->sw->geometry.width;
break;
default:
ctx = draw_context_new(globalconf.connection, titlebar->sw->phys_screen,
titlebar->sw->geometry.width,
titlebar->sw->geometry.height,
titlebar->sw->drawable,
titlebar->colors.fg,
titlebar->colors.bg);
geometry = titlebar->sw->geometry;
break;
}
widget_render(titlebar->widgets, ctx, titlebar->sw->gc, titlebar->sw->drawable,
titlebar->client->screen, titlebar->position,
titlebar->sw->geometry.x, titlebar->sw->geometry.y, titlebar);
switch(titlebar->position)
{
case Left:
draw_rotate(ctx, ctx->drawable, titlebar->sw->drawable,
ctx->width, ctx->height,
ctx->height, ctx->width,
- M_PI_2, 0, titlebar->sw->geometry.height);
xcb_free_pixmap(globalconf.connection, dw);
break;
case Right:
draw_rotate(ctx, ctx->drawable, titlebar->sw->drawable,
ctx->width, ctx->height,
ctx->height, ctx->width,
M_PI_2, titlebar->sw->geometry.width, 0);
xcb_free_pixmap(globalconf.connection, dw);
default:
break;
}
simplewindow_refresh_drawable(titlebar->sw);
draw_context_delete(&ctx);
}
/** Update the titlebar geometry for a floating client.
* \param c the client
*/
void
titlebar_update_geometry_floating(titlebar_t *titlebar)
{
int width, x_offset = 0, y_offset = 0;
if(!titlebar || !titlebar->sw)
return;
switch(titlebar->position)
{
default:
return;
case Off:
return;
case Top:
if(titlebar->width)
width = MIN(titlebar->width, titlebar->client->geometry.width);
else
width = titlebar->client->geometry.width + 2 * titlebar->client->border;
switch(titlebar->align)
{
default:
break;
case AlignRight:
x_offset = 2 * titlebar->client->border + titlebar->client->geometry.width - width;
break;
case AlignCenter:
x_offset = (titlebar->client->geometry.width - width) / 2;
break;
}
simplewindow_move_resize(titlebar->sw,
titlebar->client->geometry.x + x_offset,
titlebar->client->geometry.y - titlebar->sw->geometry.height,
width,
titlebar->sw->geometry.height);
break;
case Bottom:
if(titlebar->width)
width = MIN(titlebar->width, titlebar->client->geometry.width);
else
width = titlebar->client->geometry.width + 2 * titlebar->client->border;
switch(titlebar->align)
{
default:
break;
case AlignRight:
x_offset = 2 * titlebar->client->border + titlebar->client->geometry.width - width;
break;
case AlignCenter:
x_offset = (titlebar->client->geometry.width - width) / 2;
break;
}
simplewindow_move_resize(titlebar->sw,
titlebar->client->geometry.x + x_offset,
titlebar->client->geometry.y + titlebar->client->geometry.height + 2 * titlebar->client->border,
width,
titlebar->sw->geometry.height);
break;
case Left:
if(titlebar->width)
width = MIN(titlebar->width, titlebar->client->geometry.height);
else
width = titlebar->client->geometry.height + 2 * titlebar->client->border;
switch(titlebar->align)
{
default:
break;
case AlignRight:
y_offset = 2 * titlebar->client->border + titlebar->client->geometry.height - width;
break;
case AlignCenter:
y_offset = (titlebar->client->geometry.height - width) / 2;
break;
}
simplewindow_move_resize(titlebar->sw,
titlebar->client->geometry.x - titlebar->sw->geometry.width,
titlebar->client->geometry.y + y_offset,
titlebar->sw->geometry.width,
width);
break;
case Right:
if(titlebar->width)
width = MIN(titlebar->width, titlebar->client->geometry.height);
else
width = titlebar->client->geometry.height + 2 * titlebar->client->border;
switch(titlebar->align)
{
default:
break;
case AlignRight:
y_offset = 2 * titlebar->client->border + titlebar->client->geometry.height - width;
break;
case AlignCenter:
y_offset = (titlebar->client->geometry.height - width) / 2;
break;
}
simplewindow_move_resize(titlebar->sw,
titlebar->client->geometry.x + titlebar->client->geometry.width + 2 * titlebar->client->border,
titlebar->client->geometry.y + y_offset,
titlebar->sw->geometry.width,
width);
break;
}
titlebar_draw(titlebar);
}
/** Update the titlebar geometry for a tiled client.
* \param c the client
* \param geometry the geometry the client will receive
*/
void
titlebar_update_geometry(titlebar_t *titlebar, area_t geometry)
{
int width, x_offset = 0 , y_offset = 0;
if(!titlebar || !titlebar->sw)
return;
switch(titlebar->position)
{
default:
return;
case Off:
return;
case Top:
if(!titlebar->width)
width = geometry.width + 2 * titlebar->client->border;
else
width = MIN(titlebar->width, geometry.width);
switch(titlebar->align)
{
default:
break;
case AlignRight:
x_offset = 2 * titlebar->client->border + geometry.width - width;
break;
case AlignCenter:
x_offset = (geometry.width - width) / 2;
break;
}
simplewindow_move_resize(titlebar->sw,
geometry.x + x_offset,
geometry.y,
width,
titlebar->sw->geometry.height);
break;
case Bottom:
if(titlebar->width)
width = geometry.width + 2 * titlebar->client->border;
else
width = MIN(titlebar->width, geometry.width);
switch(titlebar->align)
{
default:
break;
case AlignRight:
x_offset = 2 * titlebar->client->border + geometry.width - width;
break;
case AlignCenter:
x_offset = (geometry.width - width) / 2;
break;
}
simplewindow_move_resize(titlebar->sw,
geometry.x + x_offset,
geometry.y + geometry.height
- titlebar->sw->geometry.height + 2 * titlebar->client->border,
width,
titlebar->sw->geometry.height);
break;
case Left:
if(!titlebar->width)
width = geometry.height + 2 * titlebar->client->border;
else
width = MIN(titlebar->width, geometry.height);
switch(titlebar->align)
{
default:
break;
case AlignRight:
y_offset = 2 * titlebar->client->border + geometry.height - width;
break;
case AlignCenter:
y_offset = (geometry.height - width) / 2;
break;
}
simplewindow_move_resize(titlebar->sw,
geometry.x,
geometry.y + y_offset,
titlebar->sw->geometry.width,
width);
break;
case Right:
if(titlebar->width)
width = geometry.height + 2 * titlebar->client->border;
else
width = MIN(titlebar->width, geometry.height);
switch(titlebar->align)
{
default:
break;
case AlignRight:
y_offset = 2 * titlebar->client->border + geometry.height - width;
break;
case AlignCenter:
y_offset = (geometry.height - width) / 2;
break;
}
simplewindow_move_resize(titlebar->sw,
geometry.x + geometry.width
- titlebar->sw->geometry.width + 2 * titlebar->client->border,
geometry.y + y_offset,
titlebar->sw->geometry.width,
width);
break;
}
titlebar_draw(titlebar);
}
/** Set client titlebar position.
* \param c The client.
* \param p The position.
*/
void
titlebar_init(titlebar_t *titlebar)
{
int width = 0, height = 0;
switch(titlebar->position)
{
default:
titlebar->position = Off;
if(titlebar->sw)
xcb_unmap_window(globalconf.connection, titlebar->sw->window);
return;
case Top:
case Bottom:
if(titlebar->width)
width = MIN(titlebar->width, titlebar->client->geometry.width);
else
width = titlebar->client->geometry.width + 2 * titlebar->client->border;
height = titlebar->height;
break;
case Left:
case Right:
if(titlebar->width)
height = MIN(titlebar->width, titlebar->client->geometry.height);
else
height = titlebar->client->geometry.height + 2 * titlebar->client->border;
width = titlebar->height;
break;
}
/* Delete old statusbar */
simplewindow_delete(&titlebar->sw);
titlebar->sw = simplewindow_new(globalconf.connection,
titlebar->client->phys_screen, 0, 0,
width, height, 0);
titlebar_draw(titlebar);
xcb_map_window(globalconf.connection, titlebar->sw->window);
}
/** Create a new titlebar.
* \param A table with values: align, position, fg, bg, width and height.
* \return A brand new titlebar.
*/
static int
luaA_titlebar_new(lua_State *L)
{
titlebar_t **tb;
int objpos;
const char *color;
luaA_checktable(L, 1);
tb = lua_newuserdata(L, sizeof(titlebar_t *));
*tb = p_new(titlebar_t, 1);
objpos = lua_gettop(L);
(*tb)->align = draw_align_get_from_str(luaA_getopt_string(L, 1, "align", "left"));
(*tb)->width = luaA_getopt_number(L, 1, "width", 0);
(*tb)->height = luaA_getopt_number(L, 1, "height", 0);
if((*tb)->height <= 0)
/* 1.5 as default factor, it fits nice but no one knows why */
(*tb)->height = 1.5 * globalconf.font->height;
(*tb)->position = position_get_from_str(luaA_getopt_string(L, 1, "position", "top"));
lua_getfield(L, 1, "fg");
if((color = luaL_optstring(L, -1, NULL)))
xcolor_new(globalconf.connection, globalconf.default_screen,
color, &(*tb)->colors.fg);
else
(*tb)->colors.fg = globalconf.colors.fg;
lua_getfield(L, 1, "bg");
if((color = luaL_optstring(L, -1, NULL)))
xcolor_new(globalconf.connection, globalconf.default_screen,
color, &(*tb)->colors.bg);
else
(*tb)->colors.bg = globalconf.colors.bg;
titlebar_ref(tb);
lua_pushvalue(L, objpos);
return luaA_settype(L, "titlebar");
}
/** Set the client where the titlebar belongs to.
* \param A client where to attach titlebar, or none for removing.
*/
static int
luaA_titlebar_client_set(lua_State *L)
{
titlebar_t *oldt, **t = luaL_checkudata(L, 1, "titlebar");
client_t **c = NULL;
if(lua_gettop(L) == 2)
c = luaL_checkudata(L, 2, "client");
if(!c)
{
if((*t)->client
&& (*t)->client->isfloating
&& layout_get_current((*t)->client->screen) != layout_floating)
globalconf.screens[(*t)->client->screen].need_arrange = true;
simplewindow_delete(&(*t)->sw);
titlebar_list_detach(&globalconf.titlebar, *t);
titlebar_unref(t);
}
else
{
if((oldt = titlebar_getbyclient(*c)))
{
simplewindow_delete(&oldt->sw);
titlebar_list_detach(&globalconf.titlebar, oldt);
titlebar_unref(&oldt);
}
titlebar_list_push(&globalconf.titlebar, *t);
titlebar_ref(t);
(*t)->client = *c;
titlebar_init(*t);
if((*c)->isfloating || layout_get_current((*c)->screen) == layout_floating)
titlebar_update_geometry_floating(*t);
else
globalconf.screens[(*c)->screen].need_arrange = true;
}
return 0;
}
/** Add a widget to a titlebar.
* \param A widget.
*/
static int
luaA_titlebar_widget_add(lua_State *L)
{
titlebar_t **tb = luaL_checkudata(L, 1, "titlebar");
widget_t **widget = luaL_checkudata(L, 2, "widget");
widget_node_t *w = p_new(widget_node_t, 1);
w->widget = *widget;
widget_node_list_append(&(*tb)->widgets, w);
widget_ref(widget);
titlebar_draw(*tb);
return 0;
}
static int
luaA_titlebar_gc(lua_State *L)
{
titlebar_t **titlebar = luaL_checkudata(L, 1, "titlebar");
titlebar_unref(titlebar);
return 0;
}
static int
luaA_titlebar_tostring(lua_State *L)
{
titlebar_t **p = luaL_checkudata(L, 1, "titlebar");
lua_pushfstring(L, "[titlebar udata(%p)]", *p);
return 1;
}
static int
luaA_titlebar_eq(lua_State *L)
{
titlebar_t **t1 = luaL_checkudata(L, 1, "titlebar");
titlebar_t **t2 = luaL_checkudata(L, 2, "titlebar");
lua_pushboolean(L, (*t1 == *t2));
return 1;
}
const struct luaL_reg awesome_titlebar_methods[] =
{
{ "new", luaA_titlebar_new },
{ NULL, NULL }
};
const struct luaL_reg awesome_titlebar_meta[] =
{
{ "client_set", luaA_titlebar_client_set },
{ "widget_add", luaA_titlebar_widget_add },
{ "__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