mutter/src/draw-workspace.c

233 lines
6.5 KiB
C
Raw Normal View History

/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* Draw a workspace */
/* This file should not be modified to depend on other files in
* libwnck or metacity, since it's used in both of them
*/
/*
* Copyright (C) 2002 Red Hat Inc.
*
* 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., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include "draw-workspace.h"
static void
get_window_rect (const WnckWindowDisplayInfo *win,
int screen_width,
int screen_height,
const GdkRectangle *workspace_rect,
GdkRectangle *rect)
{
double width_ratio, height_ratio;
int x, y, width, height;
width_ratio = (double) workspace_rect->width / (double) screen_width;
height_ratio = (double) workspace_rect->height / (double) screen_height;
x = win->x;
y = win->y;
width = win->width;
height = win->height;
x *= width_ratio;
y *= height_ratio;
width *= width_ratio;
height *= height_ratio;
x += workspace_rect->x;
y += workspace_rect->y;
if (width < 3)
width = 3;
if (height < 3)
height = 3;
rect->x = x;
rect->y = y;
rect->width = width;
rect->height = height;
}
static void
draw_window (GtkWidget *widget,
GdkDrawable *drawable,
const WnckWindowDisplayInfo *win,
const GdkRectangle *winrect,
GtkStateType state)
{
cairo_t *cr;
GdkPixbuf *icon;
int icon_x, icon_y, icon_w, icon_h;
gboolean is_active;
GdkColor *color;
is_active = win->is_active;
cr = gdk_cairo_create (drawable);
cairo_rectangle (cr, winrect->x, winrect->y, winrect->width, winrect->height);
cairo_clip (cr);
if (is_active)
color = &widget->style->light[state];
else
color = &widget->style->bg[state];
cairo_set_source_rgb (cr,
color->red / 65535.,
color->green / 65535.,
color->blue / 65535.);
cairo_rectangle (cr,
winrect->x + 1, winrect->y + 1,
MAX (0, winrect->width - 2), MAX (0, winrect->height - 2));
cairo_fill (cr);
icon = win->icon;
icon_w = icon_h = 0;
if (icon)
{
icon_w = gdk_pixbuf_get_width (icon);
icon_h = gdk_pixbuf_get_height (icon);
/* If the icon is too big, fall back to mini icon.
* We don't arbitrarily scale the icon, because it's
* just too slow on my Athlon 850.
*/
if (icon_w > (winrect->width - 2) ||
icon_h > (winrect->height - 2))
{
icon = win->mini_icon;
if (icon)
{
icon_w = gdk_pixbuf_get_width (icon);
icon_h = gdk_pixbuf_get_height (icon);
/* Give up. */
if (icon_w > (winrect->width - 2) ||
icon_h > (winrect->height - 2))
icon = NULL;
}
}
}
if (icon)
{
icon_x = winrect->x + (winrect->width - icon_w) / 2;
icon_y = winrect->y + (winrect->height - icon_h) / 2;
cairo_save (cr);
gdk_cairo_set_source_pixbuf (cr, icon, icon_x, icon_y);
cairo_rectangle (cr, icon_x, icon_y, icon_w, icon_h);
cairo_clip (cr);
cairo_paint (cr);
cairo_restore (cr);
}
if (is_active)
color = &widget->style->fg[state];
else
color = &widget->style->fg[state];
cairo_set_source_rgb (cr,
color->red / 65535.,
color->green / 65535.,
color->blue / 65535.);
cairo_set_line_width (cr, 1.0);
cairo_rectangle (cr,
winrect->x + 0.5, winrect->y + 0.5,
MAX (0, winrect->width - 1), MAX (0, winrect->height - 1));
cairo_stroke (cr);
cairo_destroy (cr);
}
void
wnck_draw_workspace (GtkWidget *widget,
GdkDrawable *drawable,
int x,
int y,
int width,
int height,
int screen_width,
int screen_height,
GdkPixbuf *workspace_background,
gboolean is_active,
const WnckWindowDisplayInfo *windows,
int n_windows)
{
int i;
GdkRectangle workspace_rect;
GtkStateType state;
workspace_rect.x = x;
workspace_rect.y = y;
workspace_rect.width = width;
workspace_rect.height = height;
if (is_active)
state = GTK_STATE_SELECTED;
else if (workspace_background)
state = GTK_STATE_PRELIGHT;
else
state = GTK_STATE_NORMAL;
if (workspace_background)
{
gdk_draw_pixbuf (drawable,
GTK_WIDGET (widget)->style->dark_gc[state],
workspace_background,
0, 0,
x, y,
-1, -1,
GDK_RGB_DITHER_MAX,
0, 0);
}
else
{
cairo_t *cr;
cr = gdk_cairo_create (widget->window);
gdk_cairo_set_source_color (cr, &widget->style->dark[state]);
cairo_rectangle (cr, x, y, width, height);
cairo_fill (cr);
cairo_destroy (cr);
}
i = 0;
while (i < n_windows)
{
const WnckWindowDisplayInfo *win = &windows[i];
GdkRectangle winrect;
get_window_rect (win, screen_width,
screen_height, &workspace_rect, &winrect);
draw_window (widget,
drawable,
win,
&winrect,
state);
++i;
}
}