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

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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
 
#include "nano-X.h"
 
static int bytes_received = 0;
static char *data = NULL;
 
int got_client_data(GR_EVENT *event)
{
        GR_EVENT_CLIENT_DATA *ev = &event->clientdata;
 
        fprintf(stderr, "Got client data packet with serial number %ld for "
                        "window %d from window %d\n", ev->serial, ev->wid,
                                                                ev->rid);
        if(!(data = realloc(data, bytes_received + ev->datalen))) {
                fprintf(stderr, "Out of memory\n");
                exit(7);
        }
        memcpy(data + bytes_received, ev->data, ev->datalen);
        free(ev->data);
 
        fprintf(stderr, "Got client data packet with serial number %ld for "
                        "window %d from window %d\n", ev->serial, ev->wid,
                                                                ev->rid);
        fprintf(stderr, "Already received %d bytes, this packet is %ld bytes "
                        "long, and the total data length is %ld bytes so ",
                                        bytes_received, ev->datalen, ev->len);
 
        bytes_received += ev->datalen;
        if(bytes_received == ev->len) {
                fprintf(stderr, "we have received all of the data now.\n");
                fprintf(stderr, "The data in the packet is:\n%s\n", data);
                return 1;
        }
        else if(bytes_received < ev->len) {
                fprintf(stderr, "this is not the last data packet.\n");
                return 0;
        } else fprintf(stderr, "we have received too much data (shouldn't "
                                                                "happen)\n");
 
        return 1;
}
 
int main(int argc, char *argv[])
{
        GR_CHAR *typelist, *p;
        GR_WINDOW_ID sid, wid;
        GR_EVENT event;
        int n = 0, mimetype = -1;
 
        if(GrOpen() < 0) {
                fprintf(stderr, "Couldn't connect to Nano-X server\n");
                return 1;
        }
 
        sid = GrGetSelectionOwner(&typelist);
        if(!sid) {
                fprintf(stderr, "Clipboard is empty\n");
                return 2;
        }
 
        if(!typelist) {
                fprintf(stderr, "GrGetSelectionOwner() returned an empty "
                                "type list for window %d\n", sid);
                return 3;
        }
 
        fprintf(stderr, "Window %d owns the selection\n", sid);
        fprintf(stderr, "It claims to be able to supply data in the following "
                        "types:\n%s\n", typelist);
 
        p = strtok(typelist, " ");
        do {
                if(!strncmp("text/plain", p, 10)) {
                        mimetype = n;
                        break;
                }
                n++;
        } while((p = strtok(NULL, " ")));
 
        if(mimetype == -1) {
                fprintf(stderr, "Type text/plain is not available\n");
                return 4;
        }
 
        free(typelist);
 
        fprintf(stderr, "Type text/plain is available- requesting data\n");
 
        wid = GrNewWindow(GR_ROOT_WINDOW_ID, 0, 0, 1, 1, 0, 0, 0);
        if(!wid) {
                fprintf(stderr, "Couldn't get a window\n");
                return 5;
        }
 
        GrSelectEvents(wid, GR_EVENT_MASK_CLIENT_DATA);
 
        GrRequestClientData(wid, sid, 0, mimetype);
 
        while(1) {
                GrGetNextEventTimeout(&event, 4000);
                switch(event.type) {
                        case GR_EVENT_TYPE_CLIENT_DATA:
                                if(got_client_data(&event))
                                        return 0;
                                break;
                        case GR_EVENT_TYPE_TIMEOUT:
                                fprintf(stderr, "Timed out waiting for data\n");
                                return 6;
                        default:
                                break;
                }
        }
 
        return 0;
}

Line No.	Rev	Author	Line
1	673	markom	`#include <stdio.h>`
2			`#include <stdlib.h>`
3			`#include <unistd.h>`
4			`#include <string.h>`
5
6			`#include "nano-X.h"`
7
8			`static int bytes_received = 0;`
9			`static char *data = NULL;`
10
11			`int got_client_data(GR_EVENT *event)`
12			`{`
13			`GR_EVENT_CLIENT_DATA *ev = &event->clientdata;`
14
15			`fprintf(stderr, "Got client data packet with serial number %ld for "`
16			`"window %d from window %d\n", ev->serial, ev->wid,`
17			`ev->rid);`
18			`if(!(data = realloc(data, bytes_received + ev->datalen))) {`
19			`fprintf(stderr, "Out of memory\n");`
20			`exit(7);`
21			`}`
22			`memcpy(data + bytes_received, ev->data, ev->datalen);`
23			`free(ev->data);`
24
25			`fprintf(stderr, "Got client data packet with serial number %ld for "`
26			`"window %d from window %d\n", ev->serial, ev->wid,`
27			`ev->rid);`
28			`fprintf(stderr, "Already received %d bytes, this packet is %ld bytes "`
29			`"long, and the total data length is %ld bytes so ",`
30			`bytes_received, ev->datalen, ev->len);`
31
32			`bytes_received += ev->datalen;`
33			`if(bytes_received == ev->len) {`
34			`fprintf(stderr, "we have received all of the data now.\n");`
35			`fprintf(stderr, "The data in the packet is:\n%s\n", data);`
36			`return 1;`
37			`}`
38			`else if(bytes_received < ev->len) {`
39			`fprintf(stderr, "this is not the last data packet.\n");`
40			`return 0;`
41			`} else fprintf(stderr, "we have received too much data (shouldn't "`
42			`"happen)\n");`
43
44			`return 1;`
45			`}`
46
47			`int main(int argc, char *argv[])`
48			`{`
49			`GR_CHAR typelist, p;`
50			`GR_WINDOW_ID sid, wid;`
51			`GR_EVENT event;`
52			`int n = 0, mimetype = -1;`
53
54			`if(GrOpen() < 0) {`
55			`fprintf(stderr, "Couldn't connect to Nano-X server\n");`
56			`return 1;`
57			`}`
58
59			`sid = GrGetSelectionOwner(&typelist);`
60			`if(!sid) {`
61			`fprintf(stderr, "Clipboard is empty\n");`
62			`return 2;`
63			`}`
64
65			`if(!typelist) {`
66			`fprintf(stderr, "GrGetSelectionOwner() returned an empty "`
67			`"type list for window %d\n", sid);`
68			`return 3;`
69			`}`
70
71			`fprintf(stderr, "Window %d owns the selection\n", sid);`
72			`fprintf(stderr, "It claims to be able to supply data in the following "`
73			`"types:\n%s\n", typelist);`
74
75			`p = strtok(typelist, " ");`
76			`do {`
77			`if(!strncmp("text/plain", p, 10)) {`
78			`mimetype = n;`
79			`break;`
80			`}`
81			`n++;`
82			`} while((p = strtok(NULL, " ")));`
83
84			`if(mimetype == -1) {`
85			`fprintf(stderr, "Type text/plain is not available\n");`
86			`return 4;`
87			`}`
88
89			`free(typelist);`
90
91			`fprintf(stderr, "Type text/plain is available- requesting data\n");`
92
93			`wid = GrNewWindow(GR_ROOT_WINDOW_ID, 0, 0, 1, 1, 0, 0, 0);`
94			`if(!wid) {`
95			`fprintf(stderr, "Couldn't get a window\n");`
96			`return 5;`
97			`}`
98
99			`GrSelectEvents(wid, GR_EVENT_MASK_CLIENT_DATA);`
100
101			`GrRequestClientData(wid, sid, 0, mimetype);`
102
103			`while(1) {`
104			`GrGetNextEventTimeout(&event, 4000);`
105			`switch(event.type) {`
106			`case GR_EVENT_TYPE_CLIENT_DATA:`
107			`if(got_client_data(&event))`
108			`return 0;`
109			`break;`
110			`case GR_EVENT_TYPE_TIMEOUT:`
111			`fprintf(stderr, "Timed out waiting for data\n");`
112			`return 6;`
113			`default:`
114			`break;`
115			`}`
116			`}`
117
118			`return 0;`
119			`}`

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