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[/] [or1k_old/] [trunk/] [mw/] [src/] [demos/] [nanox/] [npanel.c] - Blame information for rev 1782

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/*
 * nano-X launcher/window manager program
 * (C) 1999 Alistair Riddoch <ajr@ecs.soton.ac.uk>
 * (C) 2000 Alex Holden <alex@linuxhacker.org>
 */
 
/*
   Undefine this if solid window moves are incredibly slow on your hardware.
   Unfortunately since outline moves are not supported yet, the only
   alternative is "invisible" moving.
*/
#define SHOW_WINDOW_MOTION
 
/*
   Define this if you want the mouse pointer to become bell shaped when over
   the launcher window.
*/
#undef USE_WEIRD_POINTER
 
#include <stdio.h>
#include <signal.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <stdlib.h>
#include <unistd.h>
#define MWINCLUDECOLORS
#include "nano-X.h"
 
/*
 * Definitions to make it easy to define cursors
 */
#define _       ((unsigned) 0)          /* off bits */
#define X       ((unsigned) 1)          /* on bits */
#define MASK(a,b,c,d,e,f,g) \
        (((((((((((((a * 2) + b) * 2) + c) * 2) + d) * 2) \
        + e) * 2) + f) * 2) + g) << 9)
 
#define DEC_HEIGHT 7
#define IDLE_DELAY 100000
 
static  GR_WINDOW_ID    w1;             /* id for launcher window */
static  GR_GC_ID        gc;             /* graphics context for rectangle */
static  GR_GC_ID        bgc;            /* graphics context for rectangle */
static  GR_SCREEN_INFO  si;             /* information about screen */
static  int             fwidth, fheight;
static  int             fbase;
static  int             num_apps = 0;
 
void do_exposure();
void do_buttondown();
void do_buttonup();
void do_update();
void do_mouse();
 
struct app_info {
        char            app_id[10];
        char            app_path[64];
} Apps[] = {
#if ELKS
        {"clock", "/root/nclock"},
        {"term", "/root/nterm"},
        {"demo", "/root/demo"},
        {"demo2", "/root/demo2"},
#else
        {"clock", "bin/nclock"},
        {"term", "bin/nterm"},
        {"demo", "bin/demo"},
        {"demo2", "bin/demo2"},
        {"ntest", "bin/ntest"},
#endif
        {"", ""}
};
 
typedef struct managed_window mwin;
struct managed_window {
        GR_WINDOW_ID    wid;    /* Application's window */
        GR_WINDOW_ID    fid;    /* Title bar */
        GR_COORD        x;      /* Overall window X origin */
        GR_COORD        y;      /* Overall window Y origin */
        GR_SIZE         width;  /* Overall width of window */
        mwin            * next;
};
 
mwin * mwins = NULL;
mwin * in_motion = NULL;
GR_COORD        move_xoff;
GR_COORD        move_yoff;
 
/*
 * Reap the dead children whenever we get a SIGCHLD.
 */
void reaper(int signum) { while(waitpid(WAIT_ANY, NULL, WNOHANG) > 0); }
 
int
main(int argc,char **argv)
{
        GR_EVENT        event;          /* current event */
        struct app_info * act;
        int             width, height;
 
#ifdef USE_WEIRD_POINTER
        GR_BITMAP       bitmap1fg[7];   /* bitmaps for first cursor */
        GR_BITMAP       bitmap1bg[7];
#endif
 
        for(act = Apps; act->app_id[0] != '\0'; act++, num_apps++);
 
        if (GrOpen() < 0) {
                fprintf(stderr, "cannot open graphics\n");
                exit(1);
        }
 
        GrGetScreenInfo(&si);
 
        signal(SIGCHLD, &reaper);
 
        gc = GrNewGC();
        bgc = GrNewGC();
 
        GrSetGCForeground(bgc, GRAY);
        GrSetGCFont(gc, GrCreateFont(GR_FONT_OEM_FIXED, 0, NULL));
 
        GrGetGCTextSize(gc, "A", 1, GR_TFASCII, &fwidth, &fheight, &fbase);
        width = fwidth * 8 + 4;
        height = (fheight) * num_apps + 4;
 
        w1 = GrNewWindow(GR_ROOT_WINDOW_ID, 5, 5, width,
                height, 1, WHITE, BLACK);
 
        GrSelectEvents(w1, GR_EVENT_MASK_EXPOSURE | GR_EVENT_MASK_BUTTON_DOWN
                        | GR_EVENT_MASK_CLOSE_REQ);
        GrSelectEvents(GR_ROOT_WINDOW_ID, GR_EVENT_MASK_EXPOSURE |
                                        GR_EVENT_MASK_CHLD_UPDATE);
 
        GrMapWindow(w1);
 
#ifdef USE_WEIRD_POINTER
        bitmap1bg[0] = MASK(_,_,X,X,X,_,_);
        bitmap1bg[1] = MASK(_,X,X,X,X,X,_);
        bitmap1bg[2] = MASK(_,X,X,X,X,X,_);
        bitmap1bg[3] = MASK(_,X,X,X,X,X,_);
        bitmap1bg[4] = MASK(_,X,X,X,X,X,_);
        bitmap1bg[5] = MASK(_,X,X,X,X,X,_);
        bitmap1bg[6] = MASK(X,X,X,X,X,X,X);
 
        bitmap1fg[0] = MASK(_,_,_,_,_,_,_);
        bitmap1fg[1] = MASK(_,_,_,X,_,_,_);
        bitmap1fg[2] = MASK(_,_,X,X,X,_,_);
        bitmap1fg[3] = MASK(_,_,X,X,X,_,_);
        bitmap1fg[4] = MASK(_,_,X,X,X,_,_);
        bitmap1fg[5] = MASK(_,_,X,X,X,_,_);
        bitmap1fg[6] = MASK(_,X,X,X,X,X,_);
 
        GrSetCursor(w1, 7, 7, 3, 3, WHITE, BLACK, bitmap1fg, bitmap1bg);
#endif
 
        GrFillRect(GR_ROOT_WINDOW_ID, bgc, 0, 0, si.cols, si.rows);
 
        GrSetGCForeground(gc, BLACK);
        GrSetGCBackground(gc, WHITE);
 
        while (1) {
                GrGetNextEvent(&event);
 
                switch (event.type) {
                        case GR_EVENT_TYPE_EXPOSURE:
                                do_exposure(&event.exposure);
                                break;
                        case GR_EVENT_TYPE_BUTTON_DOWN:
                                do_buttondown(&event.button);
                                break;
                        case GR_EVENT_TYPE_BUTTON_UP:
                                do_buttonup(&event.button);
                                break;
                        case GR_EVENT_TYPE_UPDATE:
                                do_update(&event.update);
                                break;
                        case GR_EVENT_TYPE_MOUSE_POSITION:
                                do_mouse(&event.mouse);
                                break;
                        case GR_EVENT_TYPE_CLOSE_REQ:
                                GrClose();
                                exit(0);
                }
        }
}
 
mwin * IsDecoration(GR_WINDOW_ID wid)
{
        mwin * mwp;
        for(mwp = mwins; mwp; mwp = mwp->next) {
                if (mwp->fid == wid) {
                        return mwp;
                }
        }
        return NULL;
}
 
mwin * FindWindow(GR_WINDOW_ID wid)
{
        mwin * mwp;
        for(mwp = mwins; mwp; mwp = mwp->next) {
                if (mwp->wid == wid) {
                        return mwp;
                }
        }
        return NULL;
}
 
mwin * NewWindow(GR_WINDOW_ID wid)
{
        mwin * mwp = malloc(sizeof(mwin));
 
        if (mwp) {
                mwp->wid = wid;
                mwp->next = mwins;
                mwins = mwp;
        }
        return mwp;
}
 
void
do_update(ep)
        GR_EVENT_UPDATE *ep;
{
        mwin *  mwp;
        mwin *  tmwp;
        GR_WINDOW_INFO winfo;
 
        if (IsDecoration(ep->wid)) return;
 
        if ((mwp = FindWindow(ep->wid)) == NULL) {
                /* We have a new window */
                if (ep->utype != GR_UPDATE_MAP) return;
                if ((mwp = NewWindow(ep->wid)) == NULL) {
                        printf("malloc failed\n");
                        return;
                }
                GrGetWindowInfo(ep->wid, &winfo);
                mwp->x = ep->x - winfo.bordersize;
                mwp->y = ep->y - winfo.bordersize;
                mwp->width = ep->width + 2 * winfo.bordersize;
                GrMoveWindow(mwp->wid, mwp->x + winfo.bordersize,
                                        mwp->y + DEC_HEIGHT +
                                                2 * winfo.bordersize);
                mwp->fid = GrNewWindow(GR_ROOT_WINDOW_ID, mwp->x + 1,
                                mwp->y + 1, mwp->width - 2,
                                DEC_HEIGHT - 2, 1, BLUE, BLACK);
                GrSelectEvents(mwp->fid, GR_EVENT_MASK_BUTTON_DOWN |
                        GR_EVENT_MASK_BUTTON_UP | GR_EVENT_MASK_MOUSE_POSITION);
                GrMapWindow(mwp->fid);
        } else {
                switch (ep->utype) {
                        case GR_UPDATE_UNMAP:
                                GrUnmapWindow(mwp->fid);
                                GrDestroyWindow(mwp->fid);
                                if (mwins == mwp) {
                                        mwins = mwp->next;
                                } else for(tmwp = mwins; tmwp; tmwp = tmwp->next) {
                                        if (tmwp->next == mwp) {
                                                tmwp->next = mwp->next;
                                        }
                                }
                                free(mwp);
                                break;
                        case GR_UPDATE_MOVE:
                                GrGetWindowInfo(ep->wid, &winfo);
                                if ((ep->x == (mwp->x + winfo.bordersize)) &&
                                        (ep->y == (mwp->y + winfo.bordersize
                                                        + DEC_HEIGHT))) {
                                        return;
                                }
                                mwp->x = ep->x - winfo.bordersize;
                                mwp->y = ep->y - winfo.bordersize - DEC_HEIGHT;
                                GrMoveWindow(mwp->fid, mwp->x + 1, mwp->y + 1);
                        default:
                                break;
                }
        }
}
 
/*
 * Handle mouse position events
 */
void do_mouse(ep)
        GR_EVENT_MOUSE *ep;
{
#ifdef SHOW_WINDOW_MOTION
        GR_WINDOW_INFO winfo;
 
        if(!in_motion) return;
 
        in_motion->x = ep->rootx - move_xoff - 1;
        in_motion->y = ep->rooty - move_yoff - 1;
        GrMoveWindow(in_motion->fid, in_motion->x + 1, in_motion->y + 1);
        GrGetWindowInfo(in_motion->wid, &winfo);
        GrMoveWindow(in_motion->wid, in_motion->x + winfo.bordersize - 1,
                        in_motion->y + 2 * winfo.bordersize + DEC_HEIGHT - 1);
#endif
}
 
/*
 * Here when an exposure event occurs.
 */
void
do_exposure(ep)
        GR_EVENT_EXPOSURE       *ep;
{
        struct app_info * act;
        int app_no;
 
        if (ep->wid == w1) {
                for(act=Apps,app_no=0;act->app_id[0]!='\0';act++,app_no++) {
                        GrText(w1, gc, 2, 2 + fheight * (app_no + 1),
                                act->app_id, -1, GR_TFBOTTOM);
                }
        } else if (ep->wid == GR_ROOT_WINDOW_ID) {
                GrFillRect(GR_ROOT_WINDOW_ID, bgc, ep->x, ep->y,
                                ep->width, ep->height);
        }
}
 
extern char ** environ;
 
void
do_buttondown(ep)
        GR_EVENT_BUTTON *ep;
{
        mwin *  mwp;
        static int app_no;
 
        if (ep->wid == w1) {
                app_no = ep->y / fheight;
                if (app_no >= num_apps) {
                        app_no = num_apps - 1;
                }
 
                if (!vfork()) {
                        char * nargv[2];
 
                        nargv[0] = Apps[app_no].app_path;
                        nargv[1] = 0;
                        execve(nargv[0], nargv, environ);
                        /* write(1, "\7", 1); */
                        exit(1);
                }
        } else if ((mwp = IsDecoration(ep->wid)) != NULL) {
                GrRaiseWindow(mwp->wid);
                GrRaiseWindow(mwp->fid);
                in_motion = mwp;
                move_xoff = ep->x;
                move_yoff = ep->y;
        }
}
 
void
do_buttonup(ep)
GR_EVENT_BUTTON *ep;
{
#ifdef SHOW_WINDOW_MOTION
        in_motion = NULL;
#else
        mwin *  mwp;
        GR_WINDOW_INFO winfo;
 
        if ((mwp = IsDecoration(ep->wid)) != NULL) {
                if (mwp == in_motion) {
                        mwp->x = ep->rootx - 1 - move_xoff;
                        mwp->y = ep->rooty - 1 - move_yoff;
                        GrMoveWindow(mwp->fid, mwp->x + 1, mwp->y + 1);
                        GrGetWindowInfo(mwp->wid, &winfo);
                        GrMoveWindow(mwp->wid, mwp->x + winfo.bordersize,
                                mwp->y + 2 * winfo.bordersize + DEC_HEIGHT);
                        in_motion = NULL;
                }
        }
#endif
}

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[/] [or1k_old/] [trunk/] [mw/] [src/] [demos/] [nanox/] [npanel.c] - Blame information for rev 1782

Line No.	Rev	Author	Line
1	673	markom	`/*`
2			`* nano-X launcher/window manager program`
3			`* (C) 1999 Alistair Riddoch <ajr@ecs.soton.ac.uk>`
4			`* (C) 2000 Alex Holden <alex@linuxhacker.org>`
5			`*/`
6
7			`/*`
8			`Undefine this if solid window moves are incredibly slow on your hardware.`
9			`Unfortunately since outline moves are not supported yet, the only`
10			`alternative is "invisible" moving.`
11			`*/`
12			`#define SHOW_WINDOW_MOTION`
13
14			`/*`
15			`Define this if you want the mouse pointer to become bell shaped when over`
16			`the launcher window.`
17			`*/`
18			`#undef USE_WEIRD_POINTER`
19
20			`#include <stdio.h>`
21			`#include <signal.h>`
22			`#include <sys/time.h>`
23			`#include <sys/wait.h>`
24			`#include <stdlib.h>`
25			`#include <unistd.h>`
26			`#define MWINCLUDECOLORS`
27			`#include "nano-X.h"`
28
29			`/*`
30			`* Definitions to make it easy to define cursors`
31			`*/`
32			`#define _ ((unsigned) 0) /* off bits */`
33			`#define X ((unsigned) 1) /* on bits */`
34			`#define MASK(a,b,c,d,e,f,g) \`
35			`(((((((((((((a * 2) + b) * 2) + c) * 2) + d) * 2) \`
36			`+ e) * 2) + f) * 2) + g) << 9)`
37
38			`#define DEC_HEIGHT 7`
39			`#define IDLE_DELAY 100000`
40
41			`static GR_WINDOW_ID w1; /* id for launcher window */`
42			`static GR_GC_ID gc; /* graphics context for rectangle */`
43			`static GR_GC_ID bgc; /* graphics context for rectangle */`
44			`static GR_SCREEN_INFO si; /* information about screen */`
45			`static int fwidth, fheight;`
46			`static int fbase;`
47			`static int num_apps = 0;`
48
49			`void do_exposure();`
50			`void do_buttondown();`
51			`void do_buttonup();`
52			`void do_update();`
53			`void do_mouse();`
54
55			`struct app_info {`
56			`char app_id[10];`
57			`char app_path[64];`
58			`} Apps[] = {`
59			`#if ELKS`
60			`{"clock", "/root/nclock"},`
61			`{"term", "/root/nterm"},`
62			`{"demo", "/root/demo"},`
63			`{"demo2", "/root/demo2"},`
64			`#else`
65			`{"clock", "bin/nclock"},`
66			`{"term", "bin/nterm"},`
67			`{"demo", "bin/demo"},`
68			`{"demo2", "bin/demo2"},`
69			`{"ntest", "bin/ntest"},`
70			`#endif`
71			`{"", ""}`
72			`};`
73
74			`typedef struct managed_window mwin;`
75			`struct managed_window {`
76			`GR_WINDOW_ID wid; /* Application's window */`
77			`GR_WINDOW_ID fid; /* Title bar */`
78			`GR_COORD x; /* Overall window X origin */`
79			`GR_COORD y; /* Overall window Y origin */`
80			`GR_SIZE width; /* Overall width of window */`
81			`mwin * next;`
82			`};`
83
84			`mwin * mwins = NULL;`
85			`mwin * in_motion = NULL;`
86			`GR_COORD move_xoff;`
87			`GR_COORD move_yoff;`
88
89			`/*`
90			`* Reap the dead children whenever we get a SIGCHLD.`
91			`*/`
92			`void reaper(int signum) { while(waitpid(WAIT_ANY, NULL, WNOHANG) > 0); }`
93
94			`int`
95			`main(int argc,char **argv)`
96			`{`
97			`GR_EVENT event; /* current event */`
98			`struct app_info * act;`
99			`int width, height;`
100
101			`#ifdef USE_WEIRD_POINTER`
102			`GR_BITMAP bitmap1fg[7]; /* bitmaps for first cursor */`
103			`GR_BITMAP bitmap1bg[7];`
104			`#endif`
105
106			`for(act = Apps; act->app_id[0] != '\0'; act++, num_apps++);`
107
108			`if (GrOpen() < 0) {`
109			`fprintf(stderr, "cannot open graphics\n");`
110			`exit(1);`
111			`}`
112
113			`GrGetScreenInfo(&si);`
114
115			`signal(SIGCHLD, &reaper);`
116
117			`gc = GrNewGC();`
118			`bgc = GrNewGC();`
119
120			`GrSetGCForeground(bgc, GRAY);`
121			`GrSetGCFont(gc, GrCreateFont(GR_FONT_OEM_FIXED, 0, NULL));`
122
123			`GrGetGCTextSize(gc, "A", 1, GR_TFASCII, &fwidth, &fheight, &fbase);`
124			`width = fwidth * 8 + 4;`
125			`height = (fheight) * num_apps + 4;`
126
127			`w1 = GrNewWindow(GR_ROOT_WINDOW_ID, 5, 5, width,`
128			`height, 1, WHITE, BLACK);`
129
130			`GrSelectEvents(w1, GR_EVENT_MASK_EXPOSURE \| GR_EVENT_MASK_BUTTON_DOWN`
131			`\| GR_EVENT_MASK_CLOSE_REQ);`
132			`GrSelectEvents(GR_ROOT_WINDOW_ID, GR_EVENT_MASK_EXPOSURE \|`
133			`GR_EVENT_MASK_CHLD_UPDATE);`
134
135			`GrMapWindow(w1);`
136
137			`#ifdef USE_WEIRD_POINTER`
138			`bitmap1bg[0] = MASK(_,_,X,X,X,_,_);`
139			`bitmap1bg[1] = MASK(_,X,X,X,X,X,_);`
140			`bitmap1bg[2] = MASK(_,X,X,X,X,X,_);`
141			`bitmap1bg[3] = MASK(_,X,X,X,X,X,_);`
142			`bitmap1bg[4] = MASK(_,X,X,X,X,X,_);`
143			`bitmap1bg[5] = MASK(_,X,X,X,X,X,_);`
144			`bitmap1bg[6] = MASK(X,X,X,X,X,X,X);`
145
146			`bitmap1fg[0] = MASK(_,_,_,_,_,_,_);`
147			`bitmap1fg[1] = MASK(_,_,_,X,_,_,_);`
148			`bitmap1fg[2] = MASK(_,_,X,X,X,_,_);`
149			`bitmap1fg[3] = MASK(_,_,X,X,X,_,_);`
150			`bitmap1fg[4] = MASK(_,_,X,X,X,_,_);`
151			`bitmap1fg[5] = MASK(_,_,X,X,X,_,_);`
152			`bitmap1fg[6] = MASK(_,X,X,X,X,X,_);`
153
154			`GrSetCursor(w1, 7, 7, 3, 3, WHITE, BLACK, bitmap1fg, bitmap1bg);`
155			`#endif`
156
157			`GrFillRect(GR_ROOT_WINDOW_ID, bgc, 0, 0, si.cols, si.rows);`
158
159			`GrSetGCForeground(gc, BLACK);`
160			`GrSetGCBackground(gc, WHITE);`
161
162			`while (1) {`
163			`GrGetNextEvent(&event);`
164
165			`switch (event.type) {`
166			`case GR_EVENT_TYPE_EXPOSURE:`
167			`do_exposure(&event.exposure);`
168			`break;`
169			`case GR_EVENT_TYPE_BUTTON_DOWN:`
170			`do_buttondown(&event.button);`
171			`break;`
172			`case GR_EVENT_TYPE_BUTTON_UP:`
173			`do_buttonup(&event.button);`
174			`break;`
175			`case GR_EVENT_TYPE_UPDATE:`
176			`do_update(&event.update);`
177			`break;`
178			`case GR_EVENT_TYPE_MOUSE_POSITION:`
179			`do_mouse(&event.mouse);`
180			`break;`
181			`case GR_EVENT_TYPE_CLOSE_REQ:`
182			`GrClose();`
183			`exit(0);`
184			`}`
185			`}`
186			`}`
187
188			`mwin * IsDecoration(GR_WINDOW_ID wid)`
189			`{`
190			`mwin * mwp;`
191			`for(mwp = mwins; mwp; mwp = mwp->next) {`
192			`if (mwp->fid == wid) {`
193			`return mwp;`
194			`}`
195			`}`
196			`return NULL;`
197			`}`
198
199			`mwin * FindWindow(GR_WINDOW_ID wid)`
200			`{`
201			`mwin * mwp;`
202			`for(mwp = mwins; mwp; mwp = mwp->next) {`
203			`if (mwp->wid == wid) {`
204			`return mwp;`
205			`}`
206			`}`
207			`return NULL;`
208			`}`
209
210			`mwin * NewWindow(GR_WINDOW_ID wid)`
211			`{`
212			`mwin * mwp = malloc(sizeof(mwin));`
213
214			`if (mwp) {`
215			`mwp->wid = wid;`
216			`mwp->next = mwins;`
217			`mwins = mwp;`
218			`}`
219			`return mwp;`
220			`}`
221
222			`void`
223			`do_update(ep)`
224			`GR_EVENT_UPDATE *ep;`
225			`{`
226			`mwin * mwp;`
227			`mwin * tmwp;`
228			`GR_WINDOW_INFO winfo;`
229
230			`if (IsDecoration(ep->wid)) return;`
231
232			`if ((mwp = FindWindow(ep->wid)) == NULL) {`
233			`/* We have a new window */`
234			`if (ep->utype != GR_UPDATE_MAP) return;`
235			`if ((mwp = NewWindow(ep->wid)) == NULL) {`
236			`printf("malloc failed\n");`
237			`return;`
238			`}`
239			`GrGetWindowInfo(ep->wid, &winfo);`
240			`mwp->x = ep->x - winfo.bordersize;`
241			`mwp->y = ep->y - winfo.bordersize;`
242			`mwp->width = ep->width + 2 * winfo.bordersize;`
243			`GrMoveWindow(mwp->wid, mwp->x + winfo.bordersize,`
244			`mwp->y + DEC_HEIGHT +`
245			`2 * winfo.bordersize);`
246			`mwp->fid = GrNewWindow(GR_ROOT_WINDOW_ID, mwp->x + 1,`
247			`mwp->y + 1, mwp->width - 2,`
248			`DEC_HEIGHT - 2, 1, BLUE, BLACK);`
249			`GrSelectEvents(mwp->fid, GR_EVENT_MASK_BUTTON_DOWN \|`
250			`GR_EVENT_MASK_BUTTON_UP \| GR_EVENT_MASK_MOUSE_POSITION);`
251			`GrMapWindow(mwp->fid);`
252			`} else {`
253			`switch (ep->utype) {`
254			`case GR_UPDATE_UNMAP:`
255			`GrUnmapWindow(mwp->fid);`
256			`GrDestroyWindow(mwp->fid);`
257			`if (mwins == mwp) {`
258			`mwins = mwp->next;`
259			`} else for(tmwp = mwins; tmwp; tmwp = tmwp->next) {`
260			`if (tmwp->next == mwp) {`
261			`tmwp->next = mwp->next;`
262			`}`
263			`}`
264			`free(mwp);`
265			`break;`
266			`case GR_UPDATE_MOVE:`
267			`GrGetWindowInfo(ep->wid, &winfo);`
268			`if ((ep->x == (mwp->x + winfo.bordersize)) &&`
269			`(ep->y == (mwp->y + winfo.bordersize`
270			`+ DEC_HEIGHT))) {`
271			`return;`
272			`}`
273			`mwp->x = ep->x - winfo.bordersize;`
274			`mwp->y = ep->y - winfo.bordersize - DEC_HEIGHT;`
275			`GrMoveWindow(mwp->fid, mwp->x + 1, mwp->y + 1);`
276			`default:`
277			`break;`
278			`}`
279			`}`
280			`}`
281
282			`/*`
283			`* Handle mouse position events`
284			`*/`
285			`void do_mouse(ep)`
286			`GR_EVENT_MOUSE *ep;`
287			`{`
288			`#ifdef SHOW_WINDOW_MOTION`
289			`GR_WINDOW_INFO winfo;`
290
291			`if(!in_motion) return;`
292
293			`in_motion->x = ep->rootx - move_xoff - 1;`
294			`in_motion->y = ep->rooty - move_yoff - 1;`
295			`GrMoveWindow(in_motion->fid, in_motion->x + 1, in_motion->y + 1);`
296			`GrGetWindowInfo(in_motion->wid, &winfo);`
297			`GrMoveWindow(in_motion->wid, in_motion->x + winfo.bordersize - 1,`
298			`in_motion->y + 2 * winfo.bordersize + DEC_HEIGHT - 1);`
299			`#endif`
300			`}`
301
302			`/*`
303			`* Here when an exposure event occurs.`
304			`*/`
305			`void`
306			`do_exposure(ep)`
307			`GR_EVENT_EXPOSURE *ep;`
308			`{`
309			`struct app_info * act;`
310			`int app_no;`
311
312			`if (ep->wid == w1) {`
313			`for(act=Apps,app_no=0;act->app_id[0]!='\0';act++,app_no++) {`
314			`GrText(w1, gc, 2, 2 + fheight * (app_no + 1),`
315			`act->app_id, -1, GR_TFBOTTOM);`
316			`}`
317			`} else if (ep->wid == GR_ROOT_WINDOW_ID) {`
318			`GrFillRect(GR_ROOT_WINDOW_ID, bgc, ep->x, ep->y,`
319			`ep->width, ep->height);`
320			`}`
321			`}`
322
323			`extern char ** environ;`
324
325			`void`
326			`do_buttondown(ep)`
327			`GR_EVENT_BUTTON *ep;`
328			`{`
329			`mwin * mwp;`
330			`static int app_no;`
331
332			`if (ep->wid == w1) {`
333			`app_no = ep->y / fheight;`
334			`if (app_no >= num_apps) {`
335			`app_no = num_apps - 1;`
336			`}`
337
338			`if (!vfork()) {`
339			`char * nargv[2];`
340
341			`nargv[0] = Apps[app_no].app_path;`
342			`nargv[1] = 0;`
343			`execve(nargv[0], nargv, environ);`
344			`/* write(1, "\7", 1); */`
345			`exit(1);`
346			`}`
347			`} else if ((mwp = IsDecoration(ep->wid)) != NULL) {`
348			`GrRaiseWindow(mwp->wid);`
349			`GrRaiseWindow(mwp->fid);`
350			`in_motion = mwp;`
351			`move_xoff = ep->x;`
352			`move_yoff = ep->y;`
353			`}`
354			`}`
355
356			`void`
357			`do_buttonup(ep)`
358			`GR_EVENT_BUTTON *ep;`
359			`{`
360			`#ifdef SHOW_WINDOW_MOTION`
361			`in_motion = NULL;`
362			`#else`
363			`mwin * mwp;`
364			`GR_WINDOW_INFO winfo;`
365
366			`if ((mwp = IsDecoration(ep->wid)) != NULL) {`
367			`if (mwp == in_motion) {`
368			`mwp->x = ep->rootx - 1 - move_xoff;`
369			`mwp->y = ep->rooty - 1 - move_yoff;`
370			`GrMoveWindow(mwp->fid, mwp->x + 1, mwp->y + 1);`
371			`GrGetWindowInfo(mwp->wid, &winfo);`
372			`GrMoveWindow(mwp->wid, mwp->x + winfo.bordersize,`
373			`mwp->y + 2 * winfo.bordersize + DEC_HEIGHT);`
374			`in_motion = NULL;`
375			`}`
376			`}`
377			`#endif`
378			`}`