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/* -*- 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 marco, 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., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include "draw-workspace.h"
#include "theme.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
get_background_color (GtkStyleContext *context,
GtkStateFlags state,
GdkRGBA *color)
{
GdkRGBA *c;
g_return_if_fail (color != NULL);
g_return_if_fail (GTK_IS_STYLE_CONTEXT (context));
gtk_style_context_get (context,
state,
"background-color", &c,
NULL);
*color = *c;
gdk_rgba_free (c);
}
static void
draw_window (GtkWidget *widget,
cairo_t *cr,
const WnckWindowDisplayInfo *win,
const GdkRectangle *winrect,
GtkStateType state)
{
cairo_surface_t *icon;
int icon_x, icon_y, icon_w, icon_h, scale;
gboolean is_active;
GdkRGBA color;
GtkStyleContext *style;
is_active = win->is_active;
cairo_save (cr);
cairo_rectangle (cr, winrect->x, winrect->y, winrect->width, winrect->height);
cairo_clip (cr);
style = gtk_widget_get_style_context (widget);
if (is_active)
meta_gtk_style_get_light_color (style, state, &color);
else
get_background_color (style, state, &color);
gdk_cairo_set_source_rgba (cr, &color);
cairo_rectangle (cr,
winrect->x + 1, winrect->y + 1,
MAX (0, winrect->width - 2), MAX (0, winrect->height - 2));
cairo_fill (cr);
scale = gtk_widget_get_scale_factor (widget);
icon = gdk_cairo_surface_create_from_pixbuf (win->icon, scale, NULL);
icon_w = icon_h = 0;
if (icon)
{
icon_w = cairo_image_surface_get_width (icon) / scale;
icon_h = cairo_image_surface_get_height (icon) / scale;
/* If the icon is too big, fall back to mini icon. */
if (icon_w > (winrect->width - 2) || icon_h > (winrect->height - 2))
{
icon = gdk_cairo_surface_create_from_pixbuf (win->mini_icon, scale, NULL);
if (icon)
{
icon_w = cairo_image_surface_get_width (icon) / scale;
icon_h = cairo_image_surface_get_height (icon) / scale;
/* 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);
cairo_set_source_surface (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);
}
gtk_style_context_get_color (style, state, &color);
gdk_cairo_set_source_rgba (cr, &color);
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_restore(cr);
}
void
wnck_draw_workspace (GtkWidget *widget,
cairo_t *cr,
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;
GtkStateFlags state;
GtkStyleContext *style;
workspace_rect.x = x;
workspace_rect.y = y;
workspace_rect.width = width;
workspace_rect.height = height;
if (is_active)
state = GTK_STATE_FLAG_SELECTED;
else if (workspace_background)
state = GTK_STATE_FLAG_PRELIGHT;
else
state = GTK_STATE_FLAG_NORMAL;
style = gtk_widget_get_style_context (widget);
cairo_save (cr);
if (workspace_background)
{
gdk_cairo_set_source_pixbuf (cr, workspace_background, x, y);
cairo_paint (cr);
}
else
{
GdkRGBA color;
meta_gtk_style_get_dark_color (style, state, &color);
color.alpha = 0.25;
gdk_cairo_set_source_rgba (cr, &color);
cairo_rectangle (cr, x, y, width, height);
cairo_fill (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,
cr,
win,
&winrect,
state);
++i;
}
cairo_restore(cr);
}
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