keys.c

用GTK+做用户界面 股票每日分时行情用数据库管理——MYSQL 软件应用方式客户端/服务器模式 基于TCP/IP的C/S通信模式 实现STOCK

/*
 * Auth: Eric Harlow
 * File: keys.c
 * Linux GUI Application development
 */

#include <gdk/gdkkeysyms.h>
#include <ctype.h>
#include "jszb.h"
#include "gmclient.h"
#include "stockclient.h"
#include "stocksql.h"

/* 
 * Movement 
 */
int keyLeft = 0;     
int keyRight = 0;
int keyUp = 0;
int keyDown = 0;

/*
 * Firing
 */
int keyFire = TRUE;

/*
 * AddKey
 *
 * Add the key to the keys that are being kept 
 * track of.  We only keep track of a few of the keys 
 * and we ignore the rest.
 */
void AddKey (GdkEventKey *event)
{

    switch (event->keyval) {

        /* --- Left arrow --- */
        case GDK_Left:
            keyLeft = TRUE;
            break;

        /* --- Right arrow --- */
        case GDK_Right:
            keyRight = TRUE;
            break;

        /* --- Up arrow --- */
        case GDK_Up:
            keyUp = TRUE;
            break;

        /* --- Down arrow --- */
        case GDK_Down:
            keyDown = TRUE;
            break;
 
        /* --- Space --- */
        case ' ':
            keyFire = TRUE;
            break;

        /* --- Ignore the rest --- */
        default:
            break;
    }
}


/*
 * RemoveKey
 *
 * If we're keeping track of a key and the key 
 * goes up, we flag it as not being pressed.
 */
void RemoveKey (GdkEventKey *event)
{
/*
    switch (event->keyval) {

        case GDK_Left:
            keyLeft = FALSE;
            break;

        case GDK_Right:
            keyRight = FALSE;
            break;

        case GDK_Up:
            keyUp = FALSE;
            break;

        case GDK_Down:
            keyDown = FALSE;
            break;
 
        case ' ':
            keyFire = FALSE;
            break;

        default:
            break;
    }
*/

}


/*
 * HandleKeysPressed
 *
 * When it comes time to move everyone, this 
 * routine is called to move/fire based on the
 * keys that are currently pressed.
 */
void HandleKeysPressed ()
{

    /* 
     * Try and move in each direction
     */
    if (keyLeft) {
        if(areastart<=80){
           areastart=1;
        }
        else{
           areastart-=80;
        } 
    }

    if (keyRight) {
        if(areastart<stocksum-80){
             areastart+=80; 
        }
    }

    if (keyUp) {
        if(klinewidth<21)
            klinewidth+=4;
    }

    if (keyDown) {
        if(klinewidth>1)
            klinewidth-=4;
    }

}


/*
 * AddKey
 *
 * Add the key to the keys that are being kept 
 * track of.  We only keep track of a few of the keys 
 * and we ignore the rest.
 */
void whatKey (GdkEventKey *event)
{
    char code[7];
    int paintflag=1;
    
    switch (event->keyval) {

        /* --- Left arrow --- */
        case GDK_Left:
             if(areastart <=1){
                  paintflag = 0;
                  break;
             }
             if(areastart<=50){
                areastart=1;
             }
             else{
                areastart-=40;
             } 

            break;
 
        /* --- Right arrow --- */
        case GDK_Right:
             if(areastart<stocksum-50){
                areastart+=40; 
             }
             else{
                paintflag=0;
             } 
             break;

        /* --- Up arrow --- */
        case GDK_Up:
            if(klinewidth<21){
                klinewidth+=4;
            }
            else{
              paintflag = 0;
            }
            break;

        /* --- Down arrow --- */
        case GDK_Down:
            if(klinewidth>1){
               klinewidth-=4;
            }
            else{
              paintflag = 0;
            }
            break;
 
      case GDK_Page_Up: 
            if(strlen(stockcode) == SHCODELEN)
               strcpy(code,findPreStock(SHBZ));
            else
               strcpy(code,findPreStock(SZBZ));
         if(strlen(code) != SZCODELEN && strlen(code) != SHCODELEN){
                   paintflag = 0;
                   break;
               }
               frechStock(code);
               break;
 
      case GDK_Page_Down: 
            if(strlen(stockcode) == SHCODELEN)
               strcpy(code,findNextStock(SHBZ));
            else
               strcpy(code,findNextStock(SZBZ));
         if(strlen(code) != SZCODELEN && strlen(code) != SHCODELEN){
                   paintflag = 0;
                   break;
               }
               frechStock(code);
               break;

   
 
      case GDK_Home:
               findPreJszb();
               break; 
 
      case GDK_End:
               if(!fsflag){
                 findNextJszb();
               }
               else{
                 if(!fszbflag){
                     fszbflag = 1;
                 }
                 else{
                     fszbflag = 0;
                 }
               }
                 break; 
        case GDK_KP_Enter:
        case GDK_Return:
         strcpy(code,gtk_entry_get_text(GTK_ENTRY(stockentry)));
         strcpy(code,allTrimStr(code));
         gtk_entry_set_text(GTK_ENTRY(stockentry),"");
         gtk_entry_set_position(GTK_ENTRY(stockentry),1);
         if(isdigit(code[0])){
          if(strlen(code) == 2){
               if(!strcmp(code,"02"))
                     goto F2_LABEL;
               if(!strcmp(code,"03"))
                     goto F3_LABEL;
               if(!strcmp(code,"04"))
                     goto F4_LABEL;
               if(!strcmp(code,"05"))
                     goto F5_LABEL;
               if(!strcmp(code,"10"))
                     goto F10_LABEL;
               if(!strcmp(code,"61")){
                 if(stocksql->getSqlGpmxListData(SHBZ,1,200))
                  fsflag=GPMXLISTFLAG;
                  break;
               }
               if(!strcmp(code,"63")){
                 if(stocksql->getSqlGpmxListData(SZBZ,1,200))
                  fsflag=GPMXLISTFLAG;
                  break;
               }
          }
          else{
           if(strlen(code)!=SZCODELEN && strlen(code)!=SHCODELEN){
               paintflag = 0;
           }
           else{
                 if(frechStock(code)==FAIL){
                    paintflag = 0;
                 }
                 else{
                   if(fsflag>FSFLAG)  fsflag = FSFLAG;
                   stkcli->dealFsline(code);
                 }

           }
          }
         }
         else{
             if(!fsflag){
              if(findJszb(code) == FAIL)
                   paintflag = 0;
             }
         }  
          break;
        case GDK_F5:
F5_LABEL:
               if(fsflag){
//                  if(frechStock(stockcode)==FAIL) paintflag = 0;
                  fsflag = 0;
               }
               else{
//                  if(frechFsData(stockcode)==FAIL) paintflag = 0;
                  fsflag = 1;
               }
               break;
        case GDK_F3:
F3_LABEL:
               if(frechStock("1A0001")==FAIL) paintflag = 0;
                  fsflag = ZSFSFLAG;
               break;
        case GDK_F4:
F4_LABEL:
               if(frechStock("2A01")==FAIL) paintflag = 0;
                  fsflag = ZSFSFLAG;
               break;
        case GDK_F10:
F10_LABEL:
               showF10Info();
               paintflag=0;
               break;
        case GDK_F2:
F2_LABEL:
               showPrice();
               paintflag=0;
               break;
   
        /* --- Ignore the rest --- */
        default:
            gtk_widget_grab_focus(stockentry);
            paintflag=0;
            break;
    }
    
    if(paintflag){
       Repaint();
    }
}


/*
 * motion_notify
 *
 * Called when the user moves the mouse on the screen
 */
gint motion_notify (GtkWidget *widget, GdkEventMotion *event)
{
    int x, y;
    int paintflag =0;
    
    GdkModifierType state;
    
    /* --- If it's a hint... (combining several events) --- */
    if (event->is_hint) {

        /* --- Get new position --- */
        gdk_window_get_pointer (event->window, &x, &y, &state);
    } else {

        /* --- Get new position --- */
        x = (int)event->x;
        y = (int)event->y;
      state = (GdkModifierType)event->state;
    }
       
    if (state & GDK_BUTTON1_MASK) {
       if(areatotalstartflag && areatotalstartflag){
         if(areatotalendadr >= areatotalstartadr)
            drawTotalRectangle(areatotalstartadr,areatotalendadr);
         else
            drawTotalRectangle(areatotalendadr,areatotalstartadr);
         if(x>klineareax && x<klineareax+klineareawidth &&
            y>klineareay && y<klineareay+klineareaheight){
          areatotalendadr=areastart+(x-klineareax)/(klinewidth+1);
          if(areatotalendadr >= areatotalstartadr){
           drawTotalRectangle(areatotalstartadr,areatotalendadr);
           showAreaTotalWin(areatotalstartadr,areatotalendadr); 
          }
          else{
           drawTotalRectangle(areatotalendadr,areatotalstartadr);
           showAreaTotalWin(areatotalendadr,areatotalstartadr); 
          }
         }
         else{
          areatotalstartflag = 0;
         }
       } 
    } 


  if(cursormouseflag){ 
      drawXcur(mouselinex,mouseliney);
      
       if(x>klineareax && x<klineareax+klineareawidth &&
            y>klineareay && y<klineareay+klineareaheight){
            mouselinex=areastart+(x-klineareax)/(klinewidth+1);
            mouseliney=y;
            mouselineflag = 1;
            paintflag =1;
            showHqWin();

        }
        else{
            if(mouselineflag == 1){
              paintflag = 1; 
              mouselineflag = 0;
            }
        } 
      if(paintflag){
        drawJsRecord(mouselinex);  
        drawXcur(mouselinex,mouseliney);
      }
   }   
   return TRUE;
}

gint button_notify (GtkWidget *widget, GdkEventButton *event)
{

    int x, y;
    GdkModifierType state;


     /* --- Get new position --- */
    gdk_window_get_pointer (event->window, &x, &y, &state);

     if( event->button == 1 ) {
        if(cursormouseflag){ 
           if(!hqwinflag) openHqWin();
           else           closeHqWin(); 
        }
        if(areatotalflag){
          if(x>klineareax && x<klineareax+klineareawidth &&
             y>klineareay && y<klineareay+klineareaheight){
            areatotalstartflag = 1;
            areatotalstartadr=areastart+
                 (x-klineareax)/(klinewidth+1);
            areatotalendadr=areatotalstartadr;
            drawTotalRectangle(areatotalstartadr,areatotalendadr);
            showAreaTotalWin(areatotalstartadr,areatotalendadr); 
           }
        }
        return TRUE;
     }            

     if( event->button == 3 ) {
       		gtk_menu_popup(GTK_MENU(popmenu), NULL, NULL, NULL,
			NULL, event->button, event->time );
		return TRUE;
      }     

   return FALSE;
}

gint releasebutton_notify (GtkWidget *widget, GdkEventButton *event)
{

     if( event->button == 1 ) {
       if(areatotalflag){ 
         if(areatotalstartflag){
           if(areatotalendadr>=areatotalstartadr) 
             drawTotalRectangle(areatotalstartadr,areatotalendadr);
           else 
             drawTotalRectangle(areatotalendadr,areatotalstartadr);
           areatotalstartflag = 0;
         }
       }
     }            


   return FALSE;
}

void printstr(char *str)
{
   int i;
   
   for(i=0;i<(int)strlen(str);i++){
      printf("%d ",str[i]);
   }
   printf("%d\n",strlen(str));
}


gchar *ltrimStr(char *str)
{
  int i;
  char *tmp;
  
  if(str == NULL) return NULL;
  tmp=str; 
  for(i=0;i<(int)strlen(tmp);i++){
     if(*tmp !=' ' && *tmp !='\r') break;
     if(*tmp ==' ' || *tmp =='\r') tmp++;
  }
//  printstr(tmp); 
  return tmp;    
  
}

gchar * rtrimStr(char *str)
{
   int i;
   char *tmp;
   
   if(str == NULL) return NULL;
   tmp=str;
   for(i=strlen(tmp)-1;i>=0;i--){
       if(tmp[i]!=' ' && tmp[i]!='\r') break;
       if(tmp[i]==' ' || tmp[i]=='\r') tmp[i]='\0';
   }
   return tmp;
    
}

gchar * allTrimStr(char *str)
{
   char *tmp;

   if(str == NULL) return NULL;
   tmp=str;
   strcpy(tmp,ltrimStr(tmp));
   strcpy(tmp,rtrimStr(tmp));
   return tmp;
}