From: hackbard <hackbard>
Date: Fri, 7 May 2004 11:43:24 +0000 (+0000)
Subject: added ncurses based display system (minimal and still full of bugs) :o
X-Git-Url: https://hackdaworld.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=da2c28e700faec39bab322b103fe0298c52fbda7;p=my-code%2Fivac.git

added ncurses based display system (minimal and still full of bugs) :o
---

diff --git a/src/Makefile b/src/Makefile
index 0acc428..396ebc8 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -3,9 +3,9 @@
 INCLUDEDIR = /usr/include
 
 CFLAGS = -DDEBUG -O3 -Wall
-LIBS =
+LIBS = -lncurses
 
-OBJS = network.o event.o input.o
+OBJS = network.o event.o input.o display.o
 
 ivac: $(OBJS)
 	$(CC) -o $@ $(OBJS) ivac.c $(LIBS)
diff --git a/src/display.c b/src/display.c
new file mode 100644
index 0000000..9390fbc
--- /dev/null
+++ b/src/display.c
@@ -0,0 +1,37 @@
+/* display.c -- display management stuff
+ *
+ * hackbard@hackdaworld.dyndns.org
+ *
+ */
+
+#include "display.h"
+
+int display_init(t_display *display) {
+
+  puts("[display] initializing display ...");
+
+  initscr();
+  raw();
+  noecho();
+  keypad(stdscr,TRUE);
+  getmaxyx(stdscr,display->max_y,display->max_x);
+
+  return D_SUCCESS;
+}
+
+int display_refresh(t_display *display) {
+
+  getmaxyx(stdscr,display->max_y,display->max_x);
+
+  return D_SUCCESS;
+}
+
+int display_shutdown(t_display *display) {
+
+  noraw();
+  echo();
+
+  puts("[display] shutdown");
+
+  return D_SUCCESS;
+}
diff --git a/src/display.h b/src/display.h
new file mode 100644
index 0000000..7ec779e
--- /dev/null
+++ b/src/display.h
@@ -0,0 +1,22 @@
+/* display.h -- display headers */
+
+/* includes */
+#include <stdio.h>
+#include <ncurses.h>
+
+/* defines */
+#define D_SUCCESS 1
+#define D_ERROR -1
+
+/* display specific variables */
+typedef struct s_display {
+  int max_x;
+  int max_y;
+  int x;
+  int y;
+} t_display;
+
+/* function prototypes */
+int display_init(t_display *display);
+int display_refresh(t_display *display);
+int display_shutdown(t_display *display);
diff --git a/src/ivac.c b/src/ivac.c
index 70d1a35..82b9a7c 100644
--- a/src/ivac.c
+++ b/src/ivac.c
@@ -31,6 +31,7 @@ int main(int argc,char **argv) {
 
   /* set username (futur: read from config or entered later) */
   strcpy(ivac.username,"hackbard");
+  memset(&ivac.console[0][0],0,IVAC_CONSOLE_LEN*IVAC_CONSOLE_STRING_LEN);
 
   /* set capabilities (futur: set by check routines) */
   ivac.g_cap=NETWORK;
@@ -62,8 +63,11 @@ int main(int argc,char **argv) {
   event_math(ivac.net.l_fd,&(ivac.event),READ,ADD);
   event_math(0,&(ivac.event),READ,ADD);
 
+  /* display init */
+  display_init(&(ivac.display));
+
   /* display */
-  ivac_display(&(ivac));
+  ivac_display(&(ivac.display));
 
   /* start event system - callbacks used: ivac_event_cb + ivac_regular_cb */
   event_start(&(ivac.event),(void *)&ivac,ivac_event_cb,ivac_regular_cb);
@@ -78,6 +82,7 @@ int ivac_shutdown(t_ivac *ivac) {
   network_shutdown(&(ivac->net));
   input_shutdown(&(ivac->input));
   event_stop(&(ivac->event));
+  display_shutdown(&(ivac->display));
 
   return SUCCESS;
 }
@@ -177,7 +182,7 @@ int ivac_event_cb(t_event *event,void *ptr) {
     input_get_event(&(ivac->input),ivac_parse_command,ivac);
 
   /* display ivac gui */
-  ivac_display(ivac);
+  ivac_display_content(ivac);
     
   return SUCCESS;
 }
@@ -192,74 +197,183 @@ int ivac_regular_cb(t_event *event,void *ptr) {
 int ivac_parse_command(t_input *input,void *ptr) {
 
   t_ivac *ivac;
-  int channel;
+  int channel,i;
+  int len;
+  char *data,valid=0;
+  char c_str[IVAC_CONSOLE_STRING_LEN];
 
   ivac=(t_ivac *)ptr;
+  data=input->content;
+  i=input->c_count-1;
+  memset(c_str,0,IVAC_CONSOLE_STRING_LEN);
 
   /* parse command routines */
 
-  if(input->content[input->c_count-1]=='\n') {
+  if((data[i]=='\r') || (data[i]=='\n')) {
+
+    /* parse commands */
+    switch(data[0]) {
+      case '/':
+        len=strlen(data+1);
+        if(len==4) {
+          /* len 4 commands */
+          if(!strncmp(data+1,"quit",4)) {
+            valid=1;
+            sprintf(c_str,"ivac shutdown\n");
+            ivac_add_to_monitor(ivac,c_str);
+            ivac_shutdown(ivac);
+          }
+        }
+        break;
+      default:
+        break;
+    }
+
+    if(!valid) {
+      snprintf(c_str,IVAC_CONSOLE_STRING_LEN-1,"unknown command: '%s...'\n",
+               data);
+      ivac_add_to_monitor(ivac,c_str);
+    }
+
     /* delete content buffer + reset counter */
     memset(input->content,0,input->c_count);
     input->c_count=0;
+
   }
 
   return SUCCESS;
 }
 
-int ivac_display_head(void) {
+int ivac_display_head(t_display *display) {
+
+  int x,y;
+
+  move(0,0);
+  for(x=0;x<display->max_x;x++) addch('#');
+  mvaddstr(1,0,"##");
+  mvaddstr(1,(display->max_x-4)/2-4,"- ivac -");
+  mvaddstr(1,(display->max_x-2),"##");
+  move(2,0);
+  for(x=0;x<display->max_x;x++) addch('#');
+  refresh();
+
+  return SUCCESS;
+}
+
+int ivac_display_box(t_display *display) {
+  
+  int x,y;
 
-  /* 23 x 80 */
-  int column,line;
+  for(y=IVAC_PROMPT_LEN;y<display->max_y-IVAC_PROMPT_LEN;y++) {
+    mvaddch(y,0,'#');
+    mvaddch(y,display->max_x-1,'#');
+  }
 
-  for(column=0;column<COLUMN;column++) printf("#");
-  printf("\n");
+  return SUCCESS;
+}
 
-  printf("##");
-  for(column=2;column<(COLUMN-8)/2;column++) printf(" ");
-  printf("- ivac -");
-  for(column=2;column<(COLUMN-8)/2;column++) printf(" ");
-  printf("##\n");
+int ivac_display_box_content(t_ivac *ivac) {
 
-  for(column=0;column<COLUMN;column++) printf("#");
-  printf("\n");
 
   return SUCCESS;
 }
 
-int ivac_display_prompt(t_ivac *ivac) {
+int ivac_display_console(t_display *display) {
+                                             
+  int x,y;
+         
+  move(display->max_y-IVAC_CONSOLE_LEN-IVAC_PROMPT_LEN-1,0);
+  for(x=0;x<display->max_x;x++) addch('#');                         
+                                          
+  return SUCCESS;
+}
 
-  int column,line;
+int ivac_display_console_content(t_ivac *ivac) {
 
-  for(column=0;column<COLUMN;column++) printf("#");
-  printf("\n");
-  printf("## command: ");
-  for(column=12;column<12+ivac->input.c_count;column++)
-    printf("%c",ivac->input.content[column-12]);
-  for(column=12+ivac->input.c_count;column<COLUMN-2;column++) printf(" ");
-  printf("##");
-  printf("\n");
-  for(column=0;column<COLUMN;column++) printf("#");
+  int x,y,len;
+  for(y=0;y<IVAC_CONSOLE_LEN;y++) {
+    len=strlen(ivac->console[y]);
+    move(ivac->display.max_y-IVAC_CONSOLE_LEN-IVAC_PROMPT_LEN+y,2);
+    for(x=0;x<IVAC_CONSOLE_STRING_LEN;x++) addch(ivac->console[y][x]);
+  }
+  refresh();
 
   return SUCCESS;
 }
 
-int ivac_display(t_ivac *ivac) {
+int ivac_display_prompt(t_display *display) {
 
-  int line,column;
+  int x,y;
 
-  /* display head */
-  ivac_display_head();
+  move(display->max_y-3,0);
+  for(x=0;x<display->max_x;x++) addch('#');
+  mvaddstr(display->max_y-2,0,"## command: ");
+  mvaddstr(display->max_y-2,display->max_x-2,"##");
+  move(display->max_y-1,0);
+  for(x=0;x<display->max_x;x++) addch('#');
+  refresh();
+
+  return SUCCESS;
+}
 
-  /* build content of middle part + display */
-  for(line=3;line<LINE-3;line++) {
-    printf("#");
-    for(column=1;column<COLUMN-1;column++) printf(" ");
-    printf("#\n");
+int ivac_display_prompt_content(t_ivac *ivac) {
+
+  int x,y;
+
+  /* delete old command */
+  if(ivac->input.c_count==0) {
+    move(ivac->display.max_y-2,12);
+    for(x=12;x<ivac->display.max_x-1;x++) addch(' ');
   }
 
+  for(x=0;x<ivac->input.c_count;x++)
+    mvaddch(ivac->display.max_y-2,x+12,ivac->input.content[x]);
+  refresh();
+
+  return SUCCESS;
+}
+
+int ivac_display(t_display *display) {
+
+  int x,y;
+
+  /* display head */
+  ivac_display_head(display);
+
+  /* display box */
+  ivac_display_box(display);
+
+  /* display console */
+  ivac_display_console(display);
+
   /* display command prompt */
-  ivac_display_prompt(ivac);
+  ivac_display_prompt(display);
+
+  return SUCCESS;
+}
+
+int ivac_display_content(t_ivac *ivac) {
+
+  /* display box content */
+  ivac_display_box_content(ivac);
+
+  /* display console content */
+  ivac_display_console_content(ivac);
+
+  /* display prompt content */
+  ivac_display_prompt_content(ivac);
+
+  return SUCCESS;
+}
+
+int ivac_add_to_monitor(t_ivac *ivac,char *msg) {
+
+  int i;
+
+  for(i=0;i<IVAC_CONSOLE_LEN-1;i++)
+    memcpy(ivac->console[i],ivac->console[i+1],IVAC_CONSOLE_STRING_LEN);
+  memcpy(ivac->console[IVAC_CONSOLE_LEN-1],msg,IVAC_CONSOLE_STRING_LEN);
+  ivac_display_console_content(ivac);
 
   return SUCCESS;
 }
diff --git a/src/ivac.h b/src/ivac.h
index bd427f0..9fb5263 100644
--- a/src/ivac.h
+++ b/src/ivac.h
@@ -13,6 +13,7 @@
 #include "network.h"
 #include "event.h"
 #include "input.h"
+#include "display.h"
 
 /* defines */
 #define CHAR_USERNAME 32
@@ -34,8 +35,11 @@
 #define VIDEO (1<<1)
 #define DUPLEX (1<<2)
 
-#define COLUMN 80
-#define LINE 24
+#define IVAC_CONSOLE_STRING_LEN 64
+
+#define IVAC_HEAD_LEN 3
+#define IVAC_PROMPT_LEN 3
+#define IVAC_CONSOLE_LEN 8
 
 /* variables */
 typedef struct s_challenger {
@@ -51,7 +55,9 @@ typedef struct s_ivac {
   t_net net;
   t_event event;
   t_input input;
+  t_display display;
   t_challenger challenger[MAX_CONNECTIONS];
+  char console[IVAC_CONSOLE_LEN][IVAC_CONSOLE_STRING_LEN];
 } t_ivac;
 
 /* function prototypes */
@@ -61,8 +67,15 @@ int ivac_receive_info(int channel,t_ivac *ivac);
 int ivac_event_cb(t_event *event,void *ptr);
 int ivac_regular_cb(t_event *event,void *ptr);
 int ivac_parse_command(t_input *input,void *ptr);
-int ivac_display_head(void);
-int ivac_display_prompt(t_ivac *ivac);
-int ivac_display(t_ivac *ivac);
+int ivac_display_head(t_display *display);
+int ivac_display_box(t_display *display);
+int ivac_display_box_content(t_ivac *ivac);
+int ivac_display_console(t_display *display);
+int ivac_display_console_content(t_ivac *ivac);
+int ivac_display_prompt(t_display *display);
+int ivac_display_prompt_content(t_ivac *ivac);
+int ivac_display(t_display *display);
+int ivac_display_content(t_ivac *ivac);
+int ivac_add_to_monitor(t_ivac *ivac,char *msg);
 
 #endif