xenocara/app/fvwm/extras/FvwmWharf/icons.c

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/* icons.c. by Bo Yang.
* Modifications: Copyright 1995 by Bo Yang.
*
* based on icons.c by Robert Nation
* The icons module, and the entire GoodStuff program, and the concept for
* interfacing this module to the Window Manager, are all original work
* by 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>
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#include "Wharf.h"
#ifdef XPM
#include <X11/xpm.h>
#endif /* XPM */
#include "stepgfx.h"
/****************************************************************************
*
* Loads an icon file into a pixmap
*
****************************************************************************/
void LoadIconFile(int button, int ico)
{
#ifndef NO_ICONS
/* First, check for a monochrome bitmap */
if(Buttons[button].icons[ico].file != NULL)
GetBitmapFile(button,ico);
/* Next, check for a color pixmap */
if((Buttons[button].icons[ico].file != NULL)&&
(Buttons[button].icons[ico].w == 0)&&(Buttons[button].icons[ico].h == 0))
GetXPMFile(button,ico);
#endif
}
/****************************************************************************
*
* Creates an Icon Window
*
****************************************************************************/
void CreateIconWindow(int button, Window *win)
{
#ifndef NO_ICONS
unsigned long valuemask; /* mask for create windows */
XSetWindowAttributes attributes; /* attributes for create windows */
/* This used to make buttons without icons explode when pushed
if((Buttons[button].icon_w == 0)&&(Buttons[button].icon_h == 0))
return;
*/
attributes.background_pixel = back_pix;
attributes.event_mask = ExposureMask;
valuemask = CWEventMask | CWBackPixel;
Buttons[button].IconWin =
XCreateWindow(dpy, *win, 0, 0, BUTTONWIDTH,
BUTTONHEIGHT, 0, CopyFromParent,
CopyFromParent,CopyFromParent,valuemask,&attributes);
return;
#endif
}
/****************************************************************************
*
* Combines icon shape masks after a resize
*
****************************************************************************/
void ConfigureIconWindow(int button,int row, int column)
{
#ifndef NO_ICONS
int x,y, w, h;
int xoff,yoff;
int i;
if(Buttons[button].iconno == 0)
return;
if(Buttons[button].swallow != 0) {
return;
}
x = column*BUTTONWIDTH;
y = row*BUTTONHEIGHT;
XMoveResizeWindow(dpy, Buttons[button].IconWin, x,y,BUTTONWIDTH,
BUTTONHEIGHT);
Buttons[button].completeIcon =
XCreatePixmap(dpy,Root, BUTTONWIDTH,BUTTONHEIGHT,d_depth);
XCopyArea(dpy, Buttons[BACK_BUTTON].icons[0].icon,
Buttons[button].completeIcon, NormalGC, 0,0,
BUTTONWIDTH,BUTTONHEIGHT, 0,0);
for(i=0;i<Buttons[button].iconno;i++) {
w = Buttons[button].icons[i].w;
h = Buttons[button].icons[i].h;
if (w<1 || h<1) continue;
if(w > BUTTONWIDTH) w = BUTTONWIDTH;
if(h > BUTTONHEIGHT) h = BUTTONHEIGHT;
if (w < 1) w = 1;
if (h < 1) h = 1;
#ifdef XPM
xoff = (BUTTONWIDTH - w)/2;
yoff = (BUTTONHEIGHT - h)/2;
if (xoff<0) xoff=0;
if (yoff<0) yoff=0;
if (Buttons[button].icons[i].mask != None) {
XSetClipOrigin(dpy, MaskGC, xoff, yoff);
XSetClipMask(dpy, MaskGC, Buttons[button].icons[i].mask);
} else {
XRectangle rect[1];
rect[0].x=0; rect[0].y=0;
rect[0].width=w; rect[0].height=h;
XSetClipRectangles(dpy,MaskGC,xoff,yoff, rect, 1, YSorted);
}
XCopyArea(dpy, Buttons[button].icons[i].icon,
Buttons[button].completeIcon, MaskGC, 0,0,
w, h, xoff,yoff);
/* don't need them anymore */
XFreePixmap(dpy, Buttons[button].icons[i].icon);
if (Buttons[button].icons[i].mask != None) {
XFreePixmap(dpy, Buttons[button].icons[i].mask);
}
#endif
if(Buttons[button].icons[i].depth == -1) {
XCopyPlane(dpy,Buttons[button].icons[i].icon,
Buttons[button].completeIcon,NormalGC,
0,0,w,h, 0,0,1);
XFreePixmap(dpy, Buttons[button].icons[i].icon);
}
}
XSetWindowBackgroundPixmap(dpy, Buttons[button].IconWin,
Buttons[button].completeIcon);
XClearWindow(dpy,Buttons[button].IconWin);
#endif
}
/***************************************************************************
*
* Looks for a monochrome icon bitmap file
*
**************************************************************************/
void GetBitmapFile(int button, int ico)
{
#ifndef NO_ICONS
char *path = NULL;
int HotX,HotY;
path = findIconFile(Buttons[button].icons[ico].file, iconPath,R_OK);
if(path == NULL)return;
if(XReadBitmapFile (dpy, Root,path,(unsigned int *)&Buttons[button].icons[ico].w,
(unsigned int *)&Buttons[button].icons[ico].h,
&Buttons[button].icons[ico].icon,
(int *)&HotX,
(int *)&HotY) != BitmapSuccess)
{
Buttons[button].icons[ico].w = 0;
Buttons[button].icons[ico].h = 0;
}
else
{
Buttons[button].icons[ico].depth = -1;
}
Buttons[button].icons[ico].mask = None;
free(path);
#endif
}
/****************************************************************************
*
* Looks for a color XPM icon file
*
****************************************************************************/
int GetXPMFile(int button,int ico)
{
#ifndef NO_ICONS
#ifdef XPM
XWindowAttributes root_attr;
XpmAttributes xpm_attributes;
char *path = NULL;
path = findIconFile(Buttons[button].icons[ico].file, pixmapPath,R_OK);
if(path == NULL) return 0;
XGetWindowAttributes(dpy,Root,&root_attr);
xpm_attributes.colormap = root_attr.colormap;
xpm_attributes.closeness = 40000;
xpm_attributes.valuemask = XpmSize | XpmReturnPixels|XpmColormap
|XpmCloseness;
if(XpmReadFileToPixmap(dpy, Root, path,
&Buttons[button].icons[ico].icon,
&Buttons[button].icons[ico].mask,
&xpm_attributes) == XpmSuccess)
{
Buttons[button].icons[ico].w = xpm_attributes.width;
Buttons[button].icons[ico].h = xpm_attributes.height;
Buttons[button].icons[ico].depth = d_depth;
free(path);
} else {
free(path);
Buttons[button].icons[ico].icon=None;
return 0;
}
if (button==BACK_BUTTON) {
BUTTONWIDTH = xpm_attributes.width;
BUTTONHEIGHT = xpm_attributes.height;
if (ForceSize && (BUTTONWIDTH > 64 || BUTTONHEIGHT > 64)) {
Pixmap resized;
BUTTONWIDTH = 64;
BUTTONHEIGHT = 64;
resized = XCreatePixmap(dpy, Root, 64, 64, d_depth);
XCopyArea(dpy, Buttons[button].icons[ico].icon,
resized, NormalGC, 0, 0, 64, 64, 0, 0);
XFreePixmap(dpy, Buttons[button].icons[ico].icon);
Buttons[button].icons[ico].icon = resized;
}
DrawOutline(Buttons[button].icons[ico].icon,BUTTONWIDTH,BUTTONHEIGHT);
}
return 1;
#endif /* XPM */
#endif
}
/****************************************************************************
*
* read background icons from data
*
****************************************************************************/
int GetXPMData(int button, char **data)
{
#ifndef NO_ICONS
#ifdef XPM
XWindowAttributes root_attr;
XpmAttributes xpm_attributes;
if( button != BACK_BUTTON )
return 0;
XGetWindowAttributes(dpy,Root,&root_attr);
xpm_attributes.colormap = root_attr.colormap;
xpm_attributes.valuemask = XpmSize | XpmReturnPixels|XpmColormap;
if(XpmCreatePixmapFromData(dpy, Root, data,
&Buttons[button].icons[0].icon,
&Buttons[button].icons[0].mask,
&xpm_attributes) == XpmSuccess)
{
BUTTONWIDTH = Buttons[button].icons[0].w = xpm_attributes.width;
BUTTONHEIGHT = Buttons[button].icons[0].h = xpm_attributes.height;
Buttons[button].icons[0].depth = d_depth;
}
else {
return 0;
}
DrawOutline(Buttons[button].icons[0].icon,BUTTONWIDTH,BUTTONHEIGHT);
return 1;
#endif /* XPM */
#endif
}
/*******************************************************************
*
* Make a gradient pixmap
*
*******************************************************************/
int GetXPMGradient(int button, int from[3], int to[3], int maxcols,
int type)
{
Buttons[button].icons[0].icon=XCreatePixmap(dpy,Root,64,64, d_depth);
Buttons[button].icons[0].mask=None;
Buttons[button].icons[0].w = 64;
Buttons[button].icons[0].h = 64;
if (button==BACK_BUTTON) {
BUTTONWIDTH = 64;
BUTTONHEIGHT = 64;
}
Buttons[button].icons[0].depth = d_depth;
switch (type) {
case TEXTURE_GRADIENT:
if (!DrawDegradeRelief(dpy, Buttons[button].icons[0].icon, 0,0,64,64,
from, to, 0, maxcols)) {
XFreePixmap(dpy, Buttons[button].icons[0].icon);
return 0;
}
break;
case TEXTURE_HGRADIENT:
case TEXTURE_HCGRADIENT:
if (!DrawHGradient(dpy, Buttons[button].icons[0].icon, 0, 0, 64,64,
from, to, 0, maxcols, type-TEXTURE_HGRADIENT)) {
XFreePixmap(dpy, Buttons[button].icons[0].icon);
return 0;
}
break;
case TEXTURE_VGRADIENT:
case TEXTURE_VCGRADIENT:
if (!DrawVGradient(dpy, Buttons[button].icons[0].icon, 0, 0, 64,64,
from, to, 0, maxcols, type-TEXTURE_VGRADIENT)) {
XFreePixmap(dpy, Buttons[button].icons[0].icon);
return 0;
}
break;
default:
return 0;
}
DrawOutline(Buttons[button].icons[0].icon,64,64);
return 1;
}
/*******************************************************************
*
* Make a solid color pixmap
*
*******************************************************************/
int GetSolidXPM(int button, Pixel pixel)
{
GC gc;
XGCValues gcv;
gcv.foreground=pixel;
gc=XCreateGC(dpy,Root,GCForeground, &gcv);
if (button==BACK_BUTTON) {
BUTTONWIDTH = 64;
BUTTONHEIGHT = 64;
}
Buttons[button].icons[0].icon=XCreatePixmap(dpy,Root,64,64, d_depth);
Buttons[button].icons[0].mask=None;
XFillRectangle(dpy,Buttons[button].icons[0].icon,gc,0,0,64,64);
Buttons[button].icons[0].w = 64;
Buttons[button].icons[0].h = 64;
Buttons[button].icons[0].depth = d_depth;
XFreeGC(dpy,gc);
DrawOutline(Buttons[button].icons[0].icon,64,64);
return 1;
}