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