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/* -*-c-*- */
/* Copyright (C) 2001 Olivier Chapuis */
/* 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 "config.h"
#include <stdio.h>
#include "libs/fvwmlib.h"
#include "libs/FShape.h"
#include "libs/PictureBase.h"
#include "libs/Picture.h"
#include "libs/PictureUtils.h"
#include "libs/PictureImageLoader.h"
#include "libs/FRenderInit.h"
#include "libs/Graphics.h"
#include "libs/Strings.h"
#include "fvwm.h"
#include "externs.h"
#include "window_flags.h"
#include "cursor.h"
#include "functions.h"
#include "misc.h"
#include "screen.h"
#include "module_interface.h"
#include "borders.h"
#include "icons.h"
#include "ewmh.h"
#include "ewmh_intern.h"
/*
* net icon handler
*/
int ewmh_WMIcon(
FvwmWindow *fw, XEvent *ev, window_style *style, unsigned long any)
{
CARD32 *list = NULL;
CARD32 *new_list = NULL;
CARD32 *dummy = NULL;
int size = 0;
if (ev != NULL && HAS_EWMH_WM_ICON_HINT(fw) == EWMH_FVWM_ICON)
{
/* this event has been produced by fvwm itself */
return 0;
}
list = ewmh_AtomGetByName(FW_W(fw),"_NET_WM_ICON",
EWMH_ATOM_LIST_PROPERTY_NOTIFY, &size);
if (list != NULL && HAS_EWMH_WM_ICON_HINT(fw) == EWMH_NO_ICON)
{
/* the application have a true _NET_WM_ICON */
SET_HAS_EWMH_WM_ICON_HINT(fw, EWMH_TRUE_ICON);
}
if (list == NULL || HAS_EWMH_WM_ICON_HINT(fw) != EWMH_TRUE_ICON)
{
/* No net icon or we have set the net icon */
if (DO_EWMH_DONATE_ICON(fw) &&
(new_list =
ewmh_SetWmIconFromPixmap(
fw, list, &size, False)) != NULL)
{
SET_HAS_EWMH_WM_ICON_HINT(fw, EWMH_FVWM_ICON);
}
}
else if (ev != NULL && USE_EWMH_ICON(fw))
{
/* client message. the application change its net icon */
ChangeIconPixmap(fw);
}
if (FMiniIconsSupported)
{
if (list == NULL ||
HAS_EWMH_WM_ICON_HINT(fw) != EWMH_TRUE_ICON)
{
/* No net icon or we have set the net icon */
if (DO_EWMH_DONATE_MINI_ICON(fw) &&
(dummy = ewmh_SetWmIconFromPixmap(
fw, (new_list != NULL)? new_list : list,
&size, True)) != NULL)
{
SET_HAS_EWMH_WM_ICON_HINT(
fw, EWMH_FVWM_ICON);
free(dummy);
}
}
else
{
/* the application has a true ewmh icon */
if (EWMH_SetIconFromWMIcon(fw, list, size, True))
{
SET_HAS_EWMH_MINI_ICON(fw, True);
}
}
}
if (list != NULL)
{
free(list);
}
if (new_list != NULL)
{
free(new_list);
}
return 0;
}
/*
* update
*/
void EWMH_DoUpdateWmIcon(FvwmWindow *fw, Bool mini_icon, Bool icon)
{
CARD32 *list = NULL;
CARD32 *new_list = NULL;
CARD32 *dummy = NULL;
int size = 0;
Bool icon_too = False;
if (HAS_EWMH_WM_ICON_HINT(fw) == EWMH_TRUE_ICON)
{
return;
}
/* first see if we have to delete */
if (FMiniIconsSupported && mini_icon &&
!DO_EWMH_DONATE_MINI_ICON(fw))
{
if (icon && !DO_EWMH_DONATE_ICON(fw))
{
icon_too = True;
}
EWMH_DeleteWmIcon(fw, True, icon_too);
}
if (!icon_too && icon && !DO_EWMH_DONATE_ICON(fw))
{
EWMH_DeleteWmIcon(fw, False, True);
}
/* now set if needed */
if ((mini_icon && DO_EWMH_DONATE_MINI_ICON(fw)) ||
(icon && DO_EWMH_DONATE_ICON(fw)))
{
list = ewmh_AtomGetByName(
FW_W(fw),"_NET_WM_ICON",
EWMH_ATOM_LIST_PROPERTY_NOTIFY, &size);
}
else
{
return;
}
/* we have to reset */
if (icon && DO_EWMH_DONATE_ICON(fw))
{
if ((new_list = ewmh_SetWmIconFromPixmap(
fw, list, &size, False)) != NULL)
{
SET_HAS_EWMH_WM_ICON_HINT(fw, EWMH_FVWM_ICON);
}
}
if (FMiniIconsSupported && mini_icon && DO_EWMH_DONATE_MINI_ICON(fw))
{
if ((dummy = ewmh_SetWmIconFromPixmap(
fw, (new_list != NULL)? new_list : list, &size,
True)) != NULL)
{
SET_HAS_EWMH_WM_ICON_HINT(fw, EWMH_FVWM_ICON);
free(dummy);
}
}
if (list != NULL)
{
free(list);
}
if (new_list != NULL)
{
free(new_list);
}
}
/*
* build and set a net icon from a pixmap
*/
CARD32 *ewmh_SetWmIconFromPixmap(
FvwmWindow *fw, CARD32 *orig_icon, int *orig_size, Bool is_mini_icon)
{
CARD32 *new_icon = NULL;
int keep_start = 0, keep_length = 0;
int width = 0, height = 0;
int i,j,k,l,m;
int s;
Pixmap pixmap = None;
Pixmap mask = None;
Pixmap alpha = None;
XImage *image;
XImage *m_image = NULL;
XImage *a_image = NULL;
int save_picture_w_g_width = 0;
int save_picture_w_g_height = 0;
int save_icon_depth = 0;
Pixmap save_icon_pixmap = None;
Pixmap save_icon_mask = None;
Pixmap save_icon_alpha = None;
int save_icon_nalloc_pixels = 0;
Pixel *save_icon_alloc_pixels = NULL;
int save_icon_no_limit = 0;
Window save_icon_pixmap_w = None;
Bool is_pixmap_ours = False;
Bool is_icon_ours = False;
Bool is_icon_shaped = False;
Bool destroy_icon_pix = False;
s = *orig_size / sizeof(CARD32);
*orig_size = 0;
if (is_mini_icon)
{
if (FMiniIconsSupported && fw->mini_icon != NULL)
{
pixmap = fw->mini_icon->picture;
mask = fw->mini_icon->mask;
alpha = fw->mini_icon->alpha;
width = fw->mini_icon->width;
height = fw->mini_icon->height;
}
}
else
{
/* should save and restore any iformation modified by
* a call to GetIconPicture */
save_picture_w_g_width = fw->icon_g.picture_w_g.width;
save_picture_w_g_height = fw->icon_g.picture_w_g.height;
save_icon_depth = fw->iconDepth;
save_icon_pixmap = fw->iconPixmap;
save_icon_mask = fw->icon_maskPixmap;
save_icon_alpha = fw->icon_alphaPixmap;
save_icon_nalloc_pixels = fw->icon_nalloc_pixels;
save_icon_alloc_pixels = fw->icon_alloc_pixels;
save_icon_no_limit = fw->icon_no_limit;
save_icon_pixmap_w = FW_W_ICON_PIXMAP(fw);
is_pixmap_ours = IS_PIXMAP_OURS(fw);
is_icon_ours = IS_ICON_OURS(fw);
is_icon_shaped = IS_ICON_SHAPED(fw);
GetIconPicture(fw, True);
if (IS_PIXMAP_OURS(fw))
{
destroy_icon_pix = True;
}
pixmap = fw->iconPixmap;
mask = fw->icon_maskPixmap;
alpha = fw->icon_alphaPixmap;
width = fw->icon_g.picture_w_g.width;
height = fw->icon_g.picture_w_g.height;
if (fw->icon_alloc_pixels != NULL)
{
if (fw->icon_nalloc_pixels != 0)
{
PictureFreeColors(
dpy, Pcmap, fw->icon_alloc_pixels,
fw->icon_nalloc_pixels, 0,
fw->icon_no_limit);
}
free(fw->icon_alloc_pixels);
}
fw->icon_g.picture_w_g.width = save_picture_w_g_width;
fw->icon_g.picture_w_g.height = save_picture_w_g_height;
fw->iconDepth = save_icon_depth;
fw->iconPixmap = save_icon_pixmap;
fw->icon_maskPixmap = save_icon_mask;
fw->icon_alphaPixmap = save_icon_alpha;
fw->icon_nalloc_pixels = save_icon_nalloc_pixels;
fw->icon_alloc_pixels = save_icon_alloc_pixels;
fw->icon_no_limit = save_icon_no_limit;
FW_W_ICON_PIXMAP(fw) = save_icon_pixmap_w;
SET_ICON_OURS(fw, is_icon_ours);
SET_PIXMAP_OURS(fw, is_pixmap_ours);
SET_ICON_SHAPED(fw, is_icon_shaped);
}
if (pixmap == None)
{
return NULL;
}
if (FMiniIconsSupported && orig_icon != NULL)
{
int k_width = (is_mini_icon)?
fw->ewmh_icon_width : fw->ewmh_mini_icon_width;
int k_height = (is_mini_icon)?
fw->ewmh_icon_height : fw->ewmh_mini_icon_height;
for (i = 0; i < s - 1 && i >= 0; )
{
if (i + 1 + orig_icon[i]*orig_icon[i+1] < s)
{
if (orig_icon[i] == k_width &&
orig_icon[i+1] == k_height)
{
keep_start = i;
keep_length = 2 +
orig_icon[i] * orig_icon[i+1];
i = s;
}
}
if (i != s && orig_icon[i]*orig_icon[i+1] > 0)
{
i = i + 2 + orig_icon[i]*orig_icon[i+1];
}
else
{
i = s;
}
}
}
image = XGetImage(
dpy, pixmap, 0, 0, width, height, AllPlanes, ZPixmap);
if (image == NULL)
{
fvwm_msg(
ERR, "EWMH_SetWmIconFromPixmap",
"cannot create XImage\n");
if (destroy_icon_pix)
{
XFreePixmap(dpy, pixmap);
if (mask != None)
{
XFreePixmap(dpy, mask);
}
if (alpha != None)
{
XFreePixmap(dpy, alpha);
}
}
return NULL;
}
if (mask != None)
{
m_image = XGetImage(dpy, mask, 0, 0, width, height,
AllPlanes, ZPixmap);
}
if (alpha != None)
{
a_image = XGetImage(dpy, alpha, 0, 0, width, height,
AllPlanes, ZPixmap);
}
*orig_size = (height*width + 2 + keep_length) * sizeof(CARD32);
new_icon = (CARD32 *)safemalloc(*orig_size);
if (keep_length > 0)
{
memcpy(new_icon, &orig_icon[keep_start],
keep_length * sizeof(CARD32));
}
new_icon[keep_length] = width;
new_icon[1+keep_length] = height;
k = 0;
l = (2 + keep_length);
m = 0;
switch(image->depth)
{
case 1:
{
XColor colors[2];
CARD32 fg, bg;
colors[0].pixel = fw->colors.fore;
colors[1].pixel = fw->colors.back;
XQueryColors(dpy, Pcmap, colors, 2);
fg = 0xff000000 + (((colors[0].red >> 8) & 0xff) << 16) +
(((colors[0].green >> 8) & 0xff) << 8) +
((colors[0].blue >> 8) & 0xff);
bg = 0xff000000 + (((colors[1].red >> 8) & 0xff) << 16) +
(((colors[1].green >> 8) & 0xff) << 8) +
((colors[1].blue >> 8) & 0xff);
for (j = 0; j < height; j++)
{
for (i = 0; i < width; i++)
{
if (m_image != NULL &&
(XGetPixel(m_image, i, j) == 0))
{
new_icon[l++] = 0;
}
else if (XGetPixel(image, i, j) == 0)
{
new_icon[l++] = bg;
}
else
{
new_icon[l++] = fg;
}
}
}
break;
}
default: /* depth = Pdepth */
{
unsigned char *cm;
XColor *colors;
colors = (XColor *)safemalloc(width * height * sizeof(XColor));
cm = (unsigned char *)safemalloc(
width * height * sizeof(char));
for (j = 0; j < height; j++)
{
for (i = 0; i < width; i++)
{
if (m_image != NULL &&
(XGetPixel(m_image, i, j) == 0))
{
cm[m++] = 0;
}
else if (a_image != NULL)
{
cm[m++] = (unsigned char)XGetPixel(
a_image, i, j);
colors[k++].pixel = XGetPixel(
image, i, j);
}
else
{
cm[m++] = 255;
colors[k++].pixel = XGetPixel(
image, i, j);
}
}
}
for (i = 0; i < k; i += 256)
XQueryColors(dpy, Pcmap, &colors[i], min(k - i, 256));
k = 0;m = 0;
for (j = 0; j < height; j++)
{
for (i = 0; i < width; i++)
{
if (cm[m] > 0)
{
new_icon[l++] =
((cm[m] & 0xff) << 24) +
(((colors[k].red >> 8) & 0xff)
<< 16) +
(((colors[k].green >> 8) &
0xff) << 8) +
((colors[k].blue >> 8) & 0xff);
k++;
}
else
{
new_icon[l++] = 0;
}
m++;
}
}
free(colors);
free(cm);
break;
}
} /* switch */
if (is_mini_icon)
{
fw->ewmh_mini_icon_width = width;
fw->ewmh_mini_icon_height = height;
}
else
{
fw->ewmh_icon_width = width;
fw->ewmh_icon_height = height;
}
ewmh_ChangeProperty(
FW_W(fw), "_NET_WM_ICON", EWMH_ATOM_LIST_PROPERTY_NOTIFY,
(unsigned char *)new_icon, height*width + 2 + keep_length);
if (destroy_icon_pix)
{
XFreePixmap(dpy, pixmap);
if (mask != None)
{
XFreePixmap(dpy, mask);
}
if (alpha != None)
{
XFreePixmap(dpy, alpha);
}
}
XDestroyImage(image);
if (m_image != None)
{
XDestroyImage(m_image);
}
if (a_image != None)
{
XDestroyImage(a_image);
}
return new_icon;
}
/*
* delete the mini icon and/or the icon from a ewmh icon
*/
void EWMH_DeleteWmIcon(FvwmWindow *fw, Bool mini_icon, Bool icon)
{
CARD32 *list;
CARD32 *new_list = NULL;
int keep_start = 0, keep_length = 0;
int s;
int i;
if (mini_icon && icon)
{
ewmh_DeleteProperty(
FW_W(fw), "_NET_WM_ICON",
EWMH_ATOM_LIST_PROPERTY_NOTIFY);
fw->ewmh_mini_icon_width = 0;
fw->ewmh_mini_icon_height = 0;
fw->ewmh_icon_width = 0;
fw->ewmh_icon_height = 0;
/*SET_HAS_EWMH_WM_ICON_HINT(fw, EWMH_NO_ICON);*/
return;
}
list = ewmh_AtomGetByName(
FW_W(fw),"_NET_WM_ICON", EWMH_ATOM_LIST_PROPERTY_NOTIFY, &s);
if (list == NULL)
{
return;
}
s = s / sizeof(CARD32);
if (FMiniIconsSupported && list != NULL)
{
int k_width = (mini_icon) ? fw->ewmh_icon_width :
fw->ewmh_mini_icon_width;
int k_height = (mini_icon) ? fw->ewmh_icon_height :
fw->ewmh_mini_icon_height;
for (i = 0; i < s - 1; )
{
if (i + 1 + list[i]*list[i+1] < s)
{
if (list[i] == k_width &&
list[i+1] == k_height)
{
keep_start = i;
keep_length = 2 + list[i]*list[i+1];
i = s;
}
}
if (i != s && list[i]*list[i+1] > 0)
{
i = i + 2 + list[i]*list[i+1];
}
else
{
i = s;
}
}
}
if (keep_length > 0)
{
new_list = (CARD32 *)safemalloc(keep_length * sizeof(CARD32));
memcpy(
new_list, &list[keep_start],
keep_length * sizeof(CARD32));
}
if (new_list != NULL)
{
ewmh_ChangeProperty(
FW_W(fw),"_NET_WM_ICON",
EWMH_ATOM_LIST_PROPERTY_NOTIFY,
(unsigned char *)new_list, keep_length);
}
else
{
/*SET_HAS_EWMH_WM_ICON_HINT(fw, EWMH_NO_ICON);*/
ewmh_DeleteProperty(
FW_W(fw), "_NET_WM_ICON",
EWMH_ATOM_LIST_PROPERTY_NOTIFY);
}
if (mini_icon)
{
fw->ewmh_mini_icon_width = 0;
fw->ewmh_mini_icon_height = 0;
}
if (icon)
{
fw->ewmh_icon_width = 0;
fw->ewmh_icon_height = 0;
}
if (new_list != NULL)
{
free(new_list);
}
free(list);
}
/*
* Create an x image from a NET icon
*/
#define SQUARE(X) ((X)*(X))
static
void extract_wm_icon(
CARD32 *list, int size, int wanted_w, int wanted_h,
int *start_best, int *best_w, int *best_h)
{
int i;
int dist = 0;
*start_best = 0;
*best_w = 0;
*best_h = 0;
size = size / (sizeof(CARD32));
for (i = 0; i < size - 1; )
{
if (i + 1 + list[i]*list[i+1] < size)
{
if (*best_w == 0 && *best_h == 0)
{
*start_best = i+2;
*best_w = list[i];
*best_h = list[i+1];
dist = SQUARE(
list[i]-wanted_w) +
SQUARE(list[i+1]-wanted_h);
}
else if (SQUARE(list[i]-wanted_w) +
SQUARE(list[i+1]-wanted_h) < dist)
{
*start_best = i+2;
*best_w = list[i];
*best_h = list[i+1];
dist = SQUARE(
list[i]-wanted_w) +
SQUARE(list[i+1]-wanted_h);
}
}
if (list[i]*list[i+1] > 0)
{
i = i + 2 + list[i]*list[i+1];
}
else
{
i = size;
}
}
return;
}
#define MINI_ICON_WANTED_WIDTH 16
#define MINI_ICON_WANTED_HEIGHT 16
#define MINI_ICON_MAX_WIDTH 22
#define MINI_ICON_MAX_HEIGHT 22
#define ICON_WANTED_WIDTH 56
#define ICON_WANTED_HEIGHT 56
#define ICON_MAX_WIDTH 100
#define ICON_MAX_HEIGHT 100
int EWMH_SetIconFromWMIcon(
FvwmWindow *fw, CARD32 *list, int size, Bool is_mini_icon)
{
int start, width, height;
int wanted_w, wanted_h;
int max_w, max_h;
Pixmap pixmap = None;
Pixmap mask = None;
Pixmap alpha = None;
Bool free_list = False;
int nalloc_pixels;
Pixel *alloc_pixels;
int no_limit;
FvwmPictureAttributes fpa;
if (list == NULL)
{
/* we are called from icons.c or update.c */
list = ewmh_AtomGetByName(
FW_W(fw),"_NET_WM_ICON",
EWMH_ATOM_LIST_PROPERTY_NOTIFY, &size);
free_list = True;
if (list == NULL)
{
return 0;
}
}
if (is_mini_icon)
{
wanted_w = MINI_ICON_WANTED_WIDTH;
wanted_h = MINI_ICON_WANTED_HEIGHT;
max_w = MINI_ICON_MAX_WIDTH;
max_h = ICON_MAX_HEIGHT;
fpa.mask = 0;
}
else
{
wanted_w = ICON_WANTED_WIDTH;
wanted_h = ICON_WANTED_HEIGHT;
max_w = ICON_MAX_WIDTH;
max_h = ICON_MAX_HEIGHT;
if (fw->cs >= 0 && Colorset[fw->cs].do_dither_icon)
{
fpa.mask = FPAM_DITHER;
}
else
{
fpa.mask = 0;
}
}
extract_wm_icon(
list, size, wanted_w, wanted_h, &start, &width, &height);
if (width == 0 || height == 0)
{
if (free_list)
{
free(list);
}
return 0;
}
if (!PImageCreatePixmapFromArgbData(
dpy, Scr.NoFocusWin, list, start, width, height,
&pixmap, &mask, &alpha, &nalloc_pixels,
&alloc_pixels, &no_limit, fpa))
{
fvwm_msg(ERR, "EWMH_SetIconFromWMIcon",
"fail to create a pixmap\n");
if (free_list)
{
free(list);
}
return 0;
}
if (width > max_w || height > max_h)
{
Pixmap np = None,nm =None, na = None;
if (pixmap)
{
np = CreateStretchPixmap(
dpy, pixmap, width, height, Pdepth, wanted_w,
wanted_h, Scr.TitleGC);
XFreePixmap(dpy, pixmap);
pixmap = np;
}
if (mask)
{
nm = CreateStretchPixmap(
dpy, mask, width, height, 1, wanted_w,
wanted_h, Scr.MonoGC);
XFreePixmap(dpy, mask);
mask = nm;
}
if (alpha)
{
na = CreateStretchPixmap(
dpy, alpha, width, height,
FRenderGetAlphaDepth(), wanted_w, wanted_h,
Scr.AlphaGC);
XFreePixmap(dpy, alpha);
alpha = na;
}
width = wanted_w;
height = wanted_h;
}
if (FMiniIconsSupported && is_mini_icon &&
!DO_EWMH_MINI_ICON_OVERRIDE(fw))
{
char *name = NULL;
CopyString(&name,"ewmh_mini_icon");
if (fw->mini_icon)
{
PDestroyFvwmPicture(dpy,fw->mini_icon);
fw->mini_icon = 0;
}
fw->mini_icon = PCacheFvwmPictureFromPixmap(
dpy, Scr.NoFocusWin, name, pixmap,mask,alpha, width,
height, nalloc_pixels, alloc_pixels, no_limit);
if (fw->mini_icon != NULL)
{
fw->mini_pixmap_file = name;
BroadcastFvwmPicture(
M_MINI_ICON, FW_W(fw), FW_W_FRAME(fw),
(unsigned long)fw, fw->mini_icon,
fw->mini_pixmap_file);
border_redraw_decorations(fw);
}
}
if (!is_mini_icon)
{
fw->iconPixmap = pixmap;
fw->icon_maskPixmap = mask;
fw->icon_alphaPixmap = alpha;
fw->icon_nalloc_pixels = nalloc_pixels;
fw->icon_alloc_pixels = alloc_pixels;
fw->icon_no_limit = no_limit;
fw->icon_g.picture_w_g.width = width;
fw->icon_g.picture_w_g.height = height;
fw->iconDepth = Pdepth;
SET_PIXMAP_OURS(fw, 1);
if (FShapesSupported && mask)
{
SET_ICON_SHAPED(fw, 1);
}
}
if (free_list)
{
free(list);
}
return 1;
}
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