用c语言编写x图形界面,「分享」C语言如何编写图形界面

我会带着你远行 2022-10-15 11:56 239阅读 0赞

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贴吧内经常有人问C语言是不是只能用于字符终端界面开发，不能用于图形界面。大家也都有回答，需要其他的库。MFC，GTK，QT。

本人近期刚用GTK库加上纯C写成了第一个LINUX实用程序。现在与大家分享：

![acbec432f0fe38f3ba8eaec10217c494.png][]

主界面程序gmaxtrix.c

\#include

\#include"client\_socket.h"

\#define MAX\_BUFFER 1024

static GtkWidget \*IP\_entry;

static GtkWidget \*port\_entry;

static gint sockfd;

static gint tag;

gchar buffer\[MAX\_BUFFER\];

void g\_show\_alarm\_dialog(const gchar \*message)\{

GtkWidget \*dialog;

dialog = gtk\_message\_dialog\_new(NULL,

GTK\_DIALOG\_DESTROY\_WITH\_PARENT,

GTK\_MESSAGE\_WARNING,

GTK\_BUTTONS\_OK,

"%s",message);

gtk\_window\_set\_title(GTK\_WINDOW(dialog),"警告");

gtk\_dialog\_run(GTK\_DIALOG(dialog));

gtk\_widget\_destroy(dialog);

void g\_client\_send(GtkWidget \*widget, gpointer textbuffer)\{

if (sockfd > 0)\{

client\_send(sockfd, gtk\_entry\_buffer\_get\_text(GTK\_ENTRY\_BUFFER(textbuffer)), gtk\_entry\_buffer\_get\_bytes(GTK\_ENTRY\_BUFFER(textbuffer)));

\}else\{

g\_show\_alarm\_dialog("未连接到中控主机");

void g\_client\_recv(gpointer data, gint source, GdkInputCondition condition)\{

gint count = client\_recv(source, buffer, MAX\_BUFFER);

buffer\[count\] = 0;

GtkTextIter iter;

gtk\_text\_buffer\_get\_end\_iter(GTK\_TEXT\_BUFFER(data),&iter);

gtk\_text\_buffer\_insert(GTK\_TEXT\_BUFFER(data),&iter,buffer,-1);

void g\_client\_connect(GtkWidget \*widget, gpointer date)\{

if (sockfd > 0)\{

client\_close(sockfd);

gtk\_button\_set\_label(GTK\_BUTTON(widget),"连接");

gdk\_input\_remove(tag);

\}else\{

sockfd = client\_connect(gtk\_entry\_get\_text(GTK\_ENTRY(IP\_entry)),atoi(gtk\_entry\_get\_text(GTK\_ENTRY(port\_entry))));

gtk\_button\_set\_label(GTK\_BUTTON(widget),"断开");

tag = gdk\_input\_add(sockfd, GDK\_INPUT\_READ, g\_client\_recv,date);

int main(int argc, char \*argv\[\])\{

gtk\_init(&argc, &argv);

GtkWidget \*window;

window = gtk\_window\_new(GTK\_WINDOW\_TOPLEVEL);

g\_signal\_connect(window, "destroy", G\_CALLBACK(gtk\_main\_quit),NULL);

gtk\_widget\_set\_size\_request(window, 260, 250);

gtk\_container\_set\_border\_width(GTK\_CONTAINER(window),5);

GtkWidget \*vbox;

vbox = gtk\_vbox\_new(FALSE,1);

gtk\_container\_add(GTK\_CONTAINER(window),vbox);

GtkWidget \*hbox1;

hbox1 = gtk\_hbox\_new(FALSE,1);

gtk\_box\_pack\_start(GTK\_BOX(vbox), hbox1, FALSE, FALSE ,0);

GtkWidget \*table = gtk\_table\_new(2,2,FALSE);

gtk\_box\_pack\_start(GTK\_BOX(hbox1), table, TRUE , TRUE , 0);

GtkWidget \*IP\_label = gtk\_label\_new("地址：");

gtk\_table\_attach\_defaults(GTK\_TABLE(table),IP\_label,0,1,0,1);

IP\_entry = gtk\_entry\_new();

gtk\_table\_attach\_defaults(GTK\_TABLE(table),IP\_entry,1,2,0,1);

GtkWidget \*port\_label = gtk\_label\_new("端口：");

gtk\_table\_attach\_defaults(GTK\_TABLE(table),port\_label,0,1,1,2);

port\_entry = gtk\_entry\_new();

gtk\_table\_attach\_defaults(GTK\_TABLE(table),port\_entry,1,2,1,2);

GtkWidget \*connect\_button = gtk\_button\_new\_with\_label("连接");

gtk\_box\_pack\_start(GTK\_BOX(hbox1), connect\_button, TRUE, TRUE ,0);

GtkWidget \*hseparator = gtk\_hseparator\_new();

gtk\_box\_pack\_start(GTK\_BOX(vbox), hseparator, FALSE, FALSE, 0);

GtkWidget \*hbox2;

hbox2 = gtk\_hbox\_new(FALSE,1);

gtk\_box\_pack\_start(GTK\_BOX(vbox), hbox2, FALSE, FALSE ,0);

GtkWidget \*send\_entry = gtk\_entry\_new();

gtk\_box\_pack\_start(GTK\_BOX(hbox2), send\_entry, TRUE, TRUE ,0);

GtkWidget \*send\_button = gtk\_button\_new\_with\_label("发送");

gtk\_box\_pack\_start(GTK\_BOX(hbox2), send\_button, TRUE, TRUE ,0);

g\_signal\_connect(send\_button, "clicked", G\_CALLBACK(g\_client\_send), gtk\_entry\_get\_buffer(GTK\_ENTRY(send\_entry)));

GtkWidget \*recv\_text = gtk\_text\_view\_new();

gtk\_box\_pack\_start(GTK\_BOX(vbox), recv\_text, TRUE, TRUE, 0);

g\_signal\_connect(connect\_button, "clicked", G\_CALLBACK(g\_client\_connect), gtk\_text\_view\_get\_buffer(GTK\_TEXT\_VIEW(recv\_text)));

gtk\_widget\_show\_all(window);

gtk\_main();

return 0;

后台网络通迅模型接口声明client\_socket.h

\#ifndef CLIENT\_SOCKET\_H

\#define CLIENT\_SOCKET\_H

int client\_connect(const char \*IP, const int port);

void client\_close(int sockfd);

void client\_send(int sockfd,const unsigned char \*buffer, const size\_t count);

size\_t client\_recv(int sockfd,unsigned char \*buffer,size\_t count);

\#endif

后台网络通迅模型实现client\_socket.c(采用POSIX接口，WIN下需改为win32API接口)

\#include

\#include "client\_socket.h"

int client\_connect(const char \*IP, const int port)\{

static struct sockaddr\_in servaddr;

int sockfd = socket(AF\_INET,SOCK\_STREAM,0);

bzero(&servaddr, sizeof(servaddr));

servaddr.sin\_family = AF\_INET;

inet\_pton(AF\_INET, IP, &servaddr.sin\_addr);

servaddr.sin\_port = htons(port);

connect(sockfd,(struct sockaddr \*)&servaddr,sizeof(servaddr));

return sockfd;

void client\_close(int sockfd)\{

close(sockfd);

void client\_send(int sockfd,const unsigned char \*buffer, const size\_t count)\{

send(sockfd,buffer,count,0);

size\_t client\_recv(int sockfd,unsigned char \*buffer,size\_t count)\{

return recv(sockfd,buffer,count,0);

编译脚本makefile

gmaxtrix: gmaxtrix.o client\_socket.o

gcc gmaxtrix.o client\_socket.o -o gmaxtrix \`pkg-config --cflags --libs gtk+-2.0\`

gmaxtrix.o: gmaxtrix.c client\_socket.h

gcc -c gmaxtrix.c \`pkg-config --cflags --libs gtk+-2.0\`

client\_socket.o: client\_socket.h client\_socket.c

gcc -c client\_socket.c \`pkg-config --cflags --libs gtk+-2.0\`

clean:

@echo "cleanning project"

\-rm gmaxtrix \*.o

@echo "clean completed"

[acbec432f0fe38f3ba8eaec10217c494.png]: /images/20221014/53c0060dd3bd4abd8fb139ffe1c0c07b.png

用c语言编写x图形界面,「分享」C语言如何编写图形界面

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