xenocara/app/fvwm/modules/FvwmIconBox/icons.c

415 lines
12 KiB
C

/***********************************************************************
* icons.c
* Based on icons.c of GoodStuff:
* Copyright 1993, Robert Nation.
***********************************************************************/
/* Copyright 1993, Robert Nation. No guarantees or warantees or anything
* are provided or implied in any way whatsoever. Use this program at your
* own risk. Permission to use this program for any purpose is given,
* as long as the copyright is kept intact. */
/***********************************************************************
*
* Derived from fvwm icon code
*
***********************************************************************/
#include "config.h"
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <string.h>
#include <stdlib.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xproto.h>
#include <X11/Xatom.h>
#include <X11/Intrinsic.h>
#include "../../fvwm/module.h"
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#include "FvwmIconBox.h"
#ifdef XPM
#include <X11/xpm.h>
#endif /* XPM */
#ifdef SHAPE
#include <X11/extensions/shape.h>
#endif /* SHAPE */
extern int save_color_limit;
#define ICON_EVENTS (ExposureMask |\
ButtonReleaseMask | ButtonPressMask | EnterWindowMask | LeaveWindowMask)
/****************************************************************************
*
* Creates an Icon Window
*
****************************************************************************/
void CreateIconWindow(struct icon_info *item)
{
unsigned long valuemask; /* mask for create windows */
XSetWindowAttributes attributes; /* attributes for create windows */
attributes.background_pixel = icon_back_pix;
attributes.event_mask = ExposureMask;
valuemask = CWEventMask | CWBackPixel;
/* pixmap */
if (max_icon_height != 0){
item->icon_pixmap_w =
XCreateWindow(dpy, icon_win, 0, 0,
max(max_icon_width,item->icon_w),
max(max_icon_height,item->icon_h),
0,CopyFromParent,CopyFromParent,
CopyFromParent,valuemask,&attributes);
XSelectInput(dpy, item->icon_pixmap_w, ICON_EVENTS);
}
/* label */
item->IconWin =
XCreateWindow(dpy, icon_win, 0, 0,
max_icon_width,
max_icon_height + 10,
0,CopyFromParent,CopyFromParent,
CopyFromParent,valuemask,&attributes);
XSelectInput(dpy, item->IconWin, ICON_EVENTS);
}
/****************************************************************************
*
* Loads an icon file and combines icon shape masks after a resize
*
****************************************************************************/
void ConfigureIconWindow(struct icon_info *item)
{
Pixmap temp;
int hr = icon_relief/2;
XSelectInput(dpy, item->id, PropertyChangeMask);
item->wmhints = XGetWMHints(dpy, item->id);
if (max_icon_height == 0)
return;
if (item->icon_file != NULL && (!(item->extra_flags & DEFAULTICON) || !(item->wmhints &&
item->wmhints->flags &
(IconPixmapHint|IconWindowHint)))){
/* monochrome bitmap */
GetBitmapFile(item);
/* color pixmap */
if((item->icon_w == 0)&&(item->icon_h == 0))
GetXPMFile(item);
}
/* special thanks to Rich Neitzel <thor@thor.atd.ucar.edu>
for his patch to handle icon windows */
if((item->icon_h == 0)&&(item->icon_w == 0)&&
(item->wmhints) && (item->wmhints->flags & IconWindowHint))
GetIconWindow(item);
/* icon bitmap from the application */
if((item->icon_h == 0)&&(item->icon_w == 0)&&
(item->wmhints)&&(item->wmhints->flags & IconPixmapHint))
GetIconBitmap(item);
#ifdef XPM
#ifdef SHAPE
if (item->icon_maskPixmap != None)
{
XShapeCombineMask(dpy, item->icon_pixmap_w, ShapeBounding,
hr, hr, item->icon_maskPixmap, ShapeSet);
}
#endif
#endif
if(item->icon_depth == -1)
{
temp = item->iconPixmap;
item->iconPixmap =
XCreatePixmap(dpy, Root, item->icon_w,
item->icon_h,d_depth);
XCopyPlane(dpy,temp,item->iconPixmap,NormalGC,
0,0,item->icon_w,item->icon_h,0,0,1);
}
}
void AdjustIconWindow(struct icon_info *item, int n)
{
int x=0,y=0,w,h,h2,h3,w3;
w3 = w = max_icon_width + icon_relief;
h3 = h2 = max_icon_height + icon_relief;
h = h2 + 6 + font->ascent + font->descent;
switch (primary){
case LEFT:
case RIGHT:
if (secondary == BOTTOM)
y = icon_win_height - (n / Lines + 1)*(h + interval);
else if (secondary == TOP)
y = (n / Lines)*(h + interval) + interval;
if (primary == LEFT)
x = (n % Lines)*(w + interval) + interval;
else
x = icon_win_width - (n % Lines + 1)*(w + interval);
break;
case TOP:
case BOTTOM:
if (secondary == RIGHT)
x = icon_win_width - (n / Lines + 1)*(w + interval);
else if (secondary == LEFT)
x = (n / Lines)*(w + interval) + interval;
if (primary == TOP)
y = (n % Lines)*(h + interval) + interval;
else
y = icon_win_height - (n % Lines + 1)*(h + interval);
break;
default:
break;
}
item->x = x;
item->y = y;
if (item->icon_w > 0 && item->icon_h > 0){
w3 = min(max_icon_width, item->icon_w) + icon_relief;
h3 = min(max_icon_height, item->icon_h) + icon_relief;
}
if (max_icon_height != 0)
XMoveResizeWindow(dpy, item->icon_pixmap_w, x + (w - w3)/2,
y + (h2 - h3)/2,w3,h3);
XMoveResizeWindow(dpy, item->IconWin, x,y + h2,w,h - h2);
}
/***************************************************************************
*
* Looks for a monochrome icon bitmap file
*
**************************************************************************/
void GetBitmapFile(struct icon_info *item)
{
char *path = NULL;
int HotX,HotY;
path = findIconFile(item->icon_file, iconPath,R_OK);
if(path == NULL)return;
if(XReadBitmapFile (dpy, Root,path,(unsigned int *)&item->icon_w,
(unsigned int *)&item->icon_h,
&item->iconPixmap,
(int *)&HotX,
(int *)&HotY) != BitmapSuccess)
{
item->icon_w = 0;
item->icon_h = 0;
}
else
item->icon_depth = 1;
item->icon_w = min(max_icon_width, item->icon_w);
item->icon_h = min(max_icon_height, item->icon_h);
item->icon_maskPixmap = None;
free(path);
}
/****************************************************************************
*
* Looks for a color XPM icon file
*
****************************************************************************/
void GetXPMFile(struct icon_info *item)
{
#ifdef XPM
XWindowAttributes root_attr;
XpmAttributes xpm_attributes;
char *path = NULL;
int rc;
XpmImage my_image;
path = findIconFile(item->icon_file, pixmapPath,R_OK);
if(path == NULL)return;
XGetWindowAttributes(dpy,Root,&root_attr);
xpm_attributes.colormap = root_attr.colormap;
xpm_attributes.closeness = 40000; /* same closeness used elsewhere */
xpm_attributes.valuemask = XpmSize|XpmReturnPixels|XpmColormap|XpmCloseness;
rc = XpmReadFileToXpmImage(path, &my_image, NULL);
if (rc != XpmSuccess) {
fprintf(stderr, "Problem reading pixmap %s, rc %d\n", path, rc);
free(path);
return;
}
color_reduce_pixmap(&my_image,save_color_limit);
rc = XpmCreatePixmapFromXpmImage(dpy,Root, &my_image,
&item->iconPixmap,
&item->icon_maskPixmap,
&xpm_attributes);
if (rc != XpmSuccess) {
fprintf(stderr, "Problem creating pixmap from image, rc %d\n", rc);
free(path);
return;
}
item->icon_w = min(max_icon_width, my_image.width);
item->icon_h = min(max_icon_height, my_image.height);
item->icon_depth = d_depth;
free(path);
#endif /* XPM */
}
/***************************************************************************
*
*
* Looks for an application supplied icon window
*
***************************************************************************
*/
void GetIconWindow(struct icon_info *item)
{
int x, y;
unsigned int bw;
Window Junkroot;
if(!XGetGeometry(dpy, item->wmhints->icon_window, &Junkroot,
&x, &y, (unsigned int *)&item->icon_w,
(unsigned int *)&item->icon_h,
&bw, (unsigned int *)&item->icon_depth))
return;
XDestroyWindow(dpy, item->icon_pixmap_w);
item->icon_pixmap_w = item->wmhints->icon_window;
#ifdef SHAPE
if (item->wmhints->flags & IconMaskHint)
{
item->flags |= SHAPED_ICON;
item->icon_maskPixmap = item->wmhints->icon_mask;
}
#endif
item->icon_w = min(max_icon_width + icon_relief, item->icon_w);
item->icon_h = min(max_icon_height + icon_relief, item->icon_h);
XReparentWindow(dpy, item->icon_pixmap_w, icon_win, 0, 0);
XSetWindowBorderWidth(dpy, item->icon_pixmap_w, 0);
item->flags &= ~ICON_OURS;
}
/***************************************************************************
*
*
* Looks for an application supplied bitmap or pixmap
*
***************************************************************************
*/
void GetIconBitmap(struct icon_info *item)
{
int x, y;
unsigned int bw, depth;
Window Junkroot;
GC gc;
if (!XGetGeometry(dpy, item->wmhints->icon_pixmap, &Junkroot, &x, &y,
(unsigned int *)&item->icon_w,
(unsigned int *)&item->icon_h, &bw, &depth))
return;
item->icon_depth = depth;
item->icon_file = NULL;
item->icon_maskPixmap = None;
#ifdef SHAPE
if (item->wmhints->flags & IconMaskHint)
{
item->flags |= SHAPED_ICON;
item->icon_maskPixmap = item->wmhints->icon_mask;
}
#endif
item->icon_w = min(max_icon_width, item->icon_w);
item->icon_h = min(max_icon_height, item->icon_h);
item->iconPixmap = XCreatePixmap(dpy, Root, item->icon_w,
item->icon_h, depth);
gc = XCreateGC(dpy, item->iconPixmap, 0, NULL);
XCopyArea(dpy, item->wmhints->icon_pixmap, item->iconPixmap,
gc, 0, 0, item->icon_w, item->icon_h, 0, 0);
XFreeGC(dpy, gc);
}
Bool GetBackPixmap(void)
{
XWindowAttributes root_attr;
#ifdef XPM
XpmAttributes xpm_attributes;
XpmImage my_image;
#endif
char *path = NULL;
Pixmap tmp_bitmap, maskPixmap;
int x, y, w=0, h=0, rc;
if (IconwinPixmapFile == NULL)
return False;
if ((path = findIconFile(IconwinPixmapFile, iconPath,R_OK)) != NULL){
if (XReadBitmapFile(dpy, Root,path,(unsigned int *)&w,
(unsigned int *)&h, &tmp_bitmap,
(int *)&x, (int *)&y)!= BitmapSuccess)
w = h = 0;
else{
IconwinPixmap = XCreatePixmap(dpy, Root, w, h, d_depth);
XCopyPlane(dpy, tmp_bitmap, IconwinPixmap, NormalGC, 0, 0, w, h,
0, 0, 1);
XFreePixmap(dpy, tmp_bitmap);
}
free(path);
}
#ifdef XPM
if ( w == 0 && h == 0 && (path = findIconFile(IconwinPixmapFile,
pixmapPath,R_OK)) != NULL)
{
XGetWindowAttributes(dpy,Root,&root_attr);
xpm_attributes.colormap = root_attr.colormap;
xpm_attributes.closeness = 40000; /* same closeness used elsewhere */
xpm_attributes.valuemask = XpmSize|XpmReturnPixels|XpmColormap|
XpmCloseness;
rc = XpmReadFileToXpmImage(path, &my_image, NULL);
if (rc != XpmSuccess) {
fprintf(stderr, "Problem reading pixmap %s, rc %d\n", path, rc);
free(path);
return False;
}
color_reduce_pixmap(&my_image,save_color_limit);
rc = XpmCreatePixmapFromXpmImage(dpy,Root, &my_image,
&IconwinPixmap,
&maskPixmap,
&xpm_attributes);
if (rc != XpmSuccess) {
fprintf(stderr, "Problem creating pixmap from image, rc %d\n", rc);
free(path);
return False;
}
w = my_image.width;
h = my_image.height;
free(path);
}
#endif
if (w != 0 && h != 0)
return True;
return False;
}