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awesome/statusbar.c

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/*
* statusbar.c - statusbar functions
*
* Copyright © 2007 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 <stdio.h>
#include <math.h>
#include "statusbar.h"
#include "screen.h"
#include "util.h"
#include "tag.h"
#include "widget.h"
extern AwesomeConf globalconf;
static void
statusbar_update_position(Statusbar *statusbar)
{
Area area = get_screen_area(statusbar->screen,
NULL,
&globalconf.screens[statusbar->screen].padding);
XMapRaised(globalconf.display, statusbar->window);
switch(statusbar->position)
{
default:
XMoveWindow(globalconf.display, statusbar->window,
area.x, area.y);
break;
case Left:
XMoveWindow(globalconf.display, statusbar->window,
area.x, (area.y + area.height) - statusbar->width);
break;
case Right:
XMoveWindow(globalconf.display, statusbar->window,
area.x + (area.width - statusbar->height), area.y);
break;
case Bottom:
XMoveWindow(globalconf.display, statusbar->window,
area.x, area.height - statusbar->height);
break;
case Off:
XUnmapWindow(globalconf.display, statusbar->window);
break;
}
}
void
statusbar_draw(Statusbar *statusbar)
{
int phys_screen = get_phys_screen(statusbar->screen);
Widget *widget, *last_drawn = NULL;
int left = 0, right = 0;
/* don't waste our time */
if(statusbar->position == Off)
return;
XFreePixmap(globalconf.display, statusbar->drawable);
DrawCtx *ctx = draw_get_context(phys_screen,
statusbar->width,
statusbar->height);
draw_rectangle(ctx, 0, 0, statusbar->width, statusbar->height, True,
globalconf.screens[statusbar->screen].colors_normal[ColBG]);
for(widget = statusbar->widgets; widget; widget = widget->next)
if (widget->alignment == AlignLeft)
{
widget->cache.needs_update = False;
left += widget->draw(widget, ctx, left, (left + right));
}
/* renders right widget from last to first */
for(widget = statusbar->widgets; widget; widget = widget->next)
if (widget->alignment == AlignRight && last_drawn == widget->next)
{
widget->cache.needs_update = False;
right += widget->draw(widget, ctx, right, (left + right));
last_drawn = widget;
widget = statusbar->widgets;
}
for(widget = statusbar->widgets; widget; widget = widget->next)
if (widget->alignment == AlignFlex)
{
widget->cache.needs_update = False;
left += widget->draw(widget, ctx, left, (left + right));
}
if(statusbar->position == Right
|| statusbar->position == Left)
{
if(statusbar->position == Right)
statusbar->drawable = draw_rotate(ctx, phys_screen, M_PI_2, statusbar->height, 0);
else
statusbar->drawable = draw_rotate(ctx, phys_screen, - M_PI_2, 0, statusbar->width);
draw_free_context(ctx);
}
else
{
statusbar->drawable = ctx->drawable;
/* just delete the struct, don't delete the drawable */
p_delete(&ctx);
}
statusbar_display(statusbar);
}
void
statusbar_display(Statusbar *statusbar)
{
int phys_screen = get_phys_screen(statusbar->screen);
/* don't waste our time */
if(statusbar->position == Off)
return;
if(statusbar->position == Right
|| statusbar->position == Left)
XCopyArea(globalconf.display, statusbar->drawable,
statusbar->window,
DefaultGC(globalconf.display, phys_screen), 0, 0,
statusbar->height,
statusbar->width, 0, 0);
else
XCopyArea(globalconf.display, statusbar->drawable,
statusbar->window,
DefaultGC(globalconf.display, phys_screen), 0, 0,
statusbar->width, statusbar->height, 0, 0);
}
void
statusbar_init(Statusbar *statusbar, int screen)
{
Widget *widget;
XSetWindowAttributes wa;
int phys_screen = get_phys_screen(screen);
Area area = get_screen_area(screen,
globalconf.screens[screen].statusbar,
&globalconf.screens[screen].padding);
if(statusbar->height <= 0)
{
/* 1.5 as default factor, it fits nice but no one know why */
statusbar->height = globalconf.screens[screen].font->height * 1.5;
for(widget = statusbar->widgets; widget; widget = widget->next)
if(widget->font)
statusbar->height = MAX(statusbar->height, widget->font->height * 1.5);
}
if(statusbar->width <= 0)
{
if(statusbar->position == Right || statusbar->position == Left)
statusbar->width = area.height;
else
statusbar->width = area.width;
}
statusbar->screen = screen;
wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask
| EnterWindowMask | LeaveWindowMask | StructureNotifyMask;
wa.cursor = globalconf.cursor[CurNormal];
wa.override_redirect = 1;
wa.background_pixmap = ParentRelative;
wa.event_mask = ButtonPressMask | ExposureMask;
if(statusbar->dposition == Right || statusbar->dposition == Left)
statusbar->window = XCreateWindow(globalconf.display,
RootWindow(globalconf.display,
phys_screen),
0, 0,
statusbar->height,
statusbar->width,
0,
DefaultDepth(globalconf.display,
phys_screen),
CopyFromParent,
DefaultVisual(globalconf.display,
phys_screen),
CWOverrideRedirect |
CWBackPixmap |
CWEventMask,
&wa);
else
statusbar->window = XCreateWindow(globalconf.display,
RootWindow(globalconf.display,
phys_screen),
0, 0,
statusbar->width,
statusbar->height,
0,
DefaultDepth(globalconf.display,
phys_screen),
CopyFromParent,
DefaultVisual(globalconf.display,
phys_screen),
CWOverrideRedirect |
CWBackPixmap |
CWEventMask,
&wa);
statusbar->drawable = XCreatePixmap(globalconf.display,
RootWindow(globalconf.display, phys_screen),
statusbar->width, statusbar->height,
DefaultDepth(globalconf.display, phys_screen));
XDefineCursor(globalconf.display,
statusbar->window,
globalconf.cursor[CurNormal]);
widget_calculate_alignments(statusbar->widgets);
statusbar_update_position(statusbar);
XMapRaised(globalconf.display, statusbar->window);
statusbar_draw(statusbar);
}
void
statusbar_refresh()
{
int screen;
Statusbar *statusbar;
Widget *widget;
for(screen = 0; screen < globalconf.nscreens; screen++)
for(statusbar = globalconf.screens[screen].statusbar;
statusbar;
statusbar = statusbar->next)
for(widget = statusbar->widgets; widget; widget = widget->next)
if(widget->cache.needs_update)
{
statusbar_draw(statusbar);
break;
}
}
Position
statusbar_get_position_from_str(const char *pos)
{
if(!a_strncmp(pos, "off", 3))
return Off;
else if(!a_strncmp(pos, "bottom", 6))
return Bottom;
else if(!a_strncmp(pos, "right", 5))
return Right;
else if(!a_strncmp(pos, "left", 4))
return Left;
return Top;
}
static Statusbar *
get_statusbar_byname(int screen, const char *name)
{
Statusbar *sb;
for(sb = globalconf.screens[screen].statusbar; sb; sb = sb->next)
if(!a_strcmp(sb->name, name))
return sb;
return NULL;
}
static void
statusbar_toggle(Statusbar *statusbar)
{
if(statusbar->position == Off)
statusbar->position = (statusbar->dposition == Off) ? Top : statusbar->dposition;
else
statusbar->position = Off;
statusbar_update_position(statusbar);
}
/** Toggle statusbar
* \param screen Screen ID
* \param arg statusbar name
* \ingroup ui_callback
*/
void
uicb_statusbar_toggle(int screen, char *arg)
{
Statusbar *sb = get_statusbar_byname(screen, arg);
if(sb)
statusbar_toggle(sb);
else
for(sb = globalconf.screens[screen].statusbar; sb; sb = sb->next)
statusbar_toggle(sb);
arrange(screen);
}
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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