dockapps/wmsupermon-1.2.2/dockapp.h

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/*
*
* Copyright (c) 1999 Alfredo K. Kojima
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef _DOCKAPP_H_
#define _DOCKAPP_H_
/*
* This is a simple (trivial) library for writing Window Maker dock
* applications, or dockapps (those that only show up in the dock), easily.
*/
#include <X11/Xlib.h>
#include <X11/xpm.h>
#include <stdlib.h>
#include <stdio.h>
extern Display *DADisplay;
/* the callbacks for events related to the dockapp window your program wants
* to handle */
typedef struct {
/* the dockapp window was destroyed */
void (*destroy)(Window win);
/* button pressed */
void (*buttonPress)(Window win, int button, int state, int x, int y);
/* button released */
void (*buttonRelease)(Window win, int button, int state, int x, int y);
/* pointer motion */
void (*motion)(Window win, int x, int y);
/* pointer entered dockapp window */
void (*enter)(Window win);
/* pointer leaved dockapp window */
void (*leave)(Window win);
/* timer expired */
void (*timeout)(Window win);
} DACallbacks;
/* option argument types */
enum {
DONone, /* simple on/off flag */
DOInteger, /* an integer number */
DOString, /* a string */
DONatural /* positive integer number */
};
typedef struct {
char *shortForm; /* short form for option, like -w */
char *longForm; /* long form for option, like --withdrawn */
char *description; /* description for the option */
short type; /* type of argument */
Bool used; /* if the argument was passed in the
cmd line */
/* the following are only set if the "used" field is True */
union { /* a ptr for the value that was passed
in the command line */
void *ptr;
int *integer;
char **string;
} value;
} DAProgramOption;
/*
* DAParseArguments-
* Command line argument parser. The program is exited if there are
* syntax errors.
*
* -h, --help and --version are automatically handled (causing the program
* to exit)
*
*/
void DAParseArguments(int argc, char **argv, DAProgramOption *options,
int count, char *programDescription,
char *versionDescription);
/*
* DAInitialize-
* Initialize the dockapp, open a connection to the X server,
* create the needed windows and setup them to become an appicon window.
* It will automatically detect if Window Maker is present and use
* an appropriate form form
*
* You must call this always before calling anything else (except for
* DAParseArguments())
*
* Arguments:
* display - the name of the display to connect to. Use "" to use the
* default value
* name - the name of your dockapp, used as the class name for
* the WM_CLASS hint. Like WMYAClock
* width, height - the size of the dockapp window. 48x48 is the
* preferred size
* argc, argv - the program arguments. argv[0] will be used as the
* instance name for the WM_CLASS hint.
*/
void
DAInitialize(char *display, char *name, unsigned width, unsigned height,
int argc, char **argv, Window *out);
/*
* DASetShape-
* Sets the shape mask of the dockapp to the specified one. This is
* optional. If you pass None as shapeMask, the dockapp will become
* non-shaped.
*
* This is only needed if you want the dockapp to be shaped.
*/
void DASetShape(Window *window, Pixmap shapeMask);
/*
* DASetPixmap-
* Sets the image pixmap for the dockapp. Once you set the image with
* it, you don't need to handle expose events.
*/
void DASetPixmap(Window *window, Pixmap pixmap);
/*
* DAMakePixmap-
* Creates a pixmap suitable for using with DASetPixmap()
*/
Pixmap DAMakePixmap(Window *window);
/*
* DAMakePixmapFromData-
* Creates a pixmap and mask from XPM data
*/
Bool DAMakePixmapFromData(Window *window, char **data, Pixmap *pixmap,
Pixmap *mask, unsigned *width, unsigned *height);
/*
* Returns a color.
*/
unsigned long DAGetColor(char *colorName);
/*
* DAShow-
* Opens the dockapp.
*
* Always call this function or the dockapp won't show up.
*/
void DAShow(Window *window);
/*
* DASetCallbacks-
* Register a set of callbacks for events like mouse clicks.
*
* Only needed if you want to receive some event.
*/
void DASetCallbacks(Window *window, DACallbacks *callbacks);
/*
* DASetTimeout-
* Sets a timeout for the DAEventLoop(). The timeout callback
* will be called whenever the app doens't get any events from the
* X server in the specified time.
*/
void DASetTimeout(int milliseconds);
/*
* DANextEventOrTimeout-
* Waits until an event is received or the timeout limit is
* expired. Returns True if an event was received.
*/
Bool DANextEventOrTimeout(XEvent *event, unsigned long millisec);
/*
* DAProcessEvent-
* Processes an event. Returns True if the event was handled and
* False otherwise.
*
* Must be called from your event loop, unless you use DAEventLoop()
*/
Bool DAProcessEvent(Window *window, XEvent *event);
/*
* DAEventLoop-
* Enters an event loop where events are processed until the dockapp
* is closed. This function never returns.
*/
void DAEventLoop(Window *window);
#endif