English
GROUP.CPP
资源名称：dos_gui.zip [点击查看]
上传用户：wtrl82617
上传日期：2007-01-07
资源大小：187k
文件大小：8k
源码类别：
界面编程
开发平台：
DOS
- // 1993 (c) ALL RIGHTS RESERVED
- // AUTHOR BY XuYongYong
- /* group.cpp
- */
- #include "group.h"
- /*************************************************************************/
- group_class::group_class(int ID,char *title_hotkey,
- int left,int top,int width,int height )
- : control_class(ID,title_hotkey,NORMAL ,GROUP,
- left,top,width,height,0,0,0)
- {
- control_num =0;
- pfirst_control =NULL;
- pcontrol_current_selected=NULL;
- }
- /*************************************************************************/
- group_class::~group_class()
- {
- dispose_all_controls(pfirst_control);
- }
- /*************************************************************************/
- void group_class::select ( )
- {
- // control_class::select();
- if (( pcontrol_current_selected !=NULL ) &&
- (!( pcontrol_current_selected->status & INVISIBLE)) )
- pcontrol_current_selected ->select();
- }
- /**************************************************************************/
- void group_class::unselect ( )
- {
- // control_class::select();
- if (( pcontrol_current_selected !=NULL ) &&
- (!( pcontrol_current_selected->status & INVISIBLE)) )
- pcontrol_current_selected ->unselect();
- }
- void group_class::update_control ()
- { Tcontrol *ptemp_control;
- int i;
- if ( status & INVISIBLE) return;
- // control_class::update_control(); recursive
- if (pfirst_control !=NULL ){
- ptemp_control =pfirst_control;
- for (i=0;((i<control_num) && (ptemp_control !=NULL));i++){
- ptemp_control ->update_control ( );
- ptemp_control =(Tcontrol*)ptemp_control->pright;
- }
- }
- select();
- }
- /*************************************************************************/
- void group_class::draw ()
- { Tcontrol *ptemp_control;
- int i;
- if ( status & INVISIBLE) return;
- control_class::draw ();
- if (pfirst_control !=NULL ){
- ptemp_control =pfirst_control;
- for (i=0;((i<control_num) && (ptemp_control !=NULL));i++){
- ptemp_control ->draw ( );
- ptemp_control ->control_change_value
- (ptemp_control->current_value );
- ptemp_control =(Tcontrol*)ptemp_control->pright;
- }
- }
- if (pcontrol_current_selected !=NULL )
- pcontrol_current_selected->select();
- }
- /**************************************************************************/
- void group_class::insert_control (Tcontrol *pcontrol_handled)
- {
- control_num ++;
- max_value ++;
- if ( pfirst_control ==NULL ) {
- pfirst_control=pcontrol_handled;
- return ;
- }
- pcontrol_handled->pright=pfirst_control->pright;
- pcontrol_handled->pleft =pfirst_control;
- pfirst_control->pright->pleft=pcontrol_handled;
- pfirst_control->pright=pcontrol_handled;
- if ( !(pcontrol_handled->status & DISABLE) &&
- !(pcontrol_handled->status & INVISIBLE) )
- pcontrol_current_selected =pcontrol_handled;
- }
- void group_class::setup_control ()
- { Tcontrol *ptemp_control;
- int i;
- if (pfirst_control !=NULL ){
- ptemp_control =pfirst_control;
- for (i=0;((i<control_num) && (ptemp_control !=NULL));i++){
- ptemp_control ->setup_control ( );
- ptemp_control =(Tcontrol*)ptemp_control->pright;
- }
- }
- }
- /*************************************************************************/
- void group_class::dispose_all_controls (Tcontrol *pcontrol_handled )
- { Tcontrol *ptemp, *ptemp1;
- if (pcontrol_handled==NULL ) return;
- for (ptemp =pcontrol_handled;1; ptemp =ptemp1) {
- ptemp1 =(Tcontrol*)ptemp->pright ;
- if (ptemp != NULL ) delete (ptemp);
- if (ptemp1 == pcontrol_handled ) break;
- }
- pfirst_control=NULL;
- pcontrol_current_selected=NULL;
- }
- /*************************************************************************/
- int group_class::key_pressed_handler(int key_scan_num )
- {
- // for tab and alt && etc.
- if (pfirst_control ==NULL ) return FALSE;
- if ( (key_scan_num == TABKEY ) || (key_scan_num ==SHIFT_TABKEY) )
- return control_tab_key_handler ( key_scan_num );
- Tcontrol *ptmp, *ptmp1;
- int i;
- // ptmp=pright;
- ptmp=(Tcontrol*)pcontrol_current_selected->pright;
- ptmp1=pcontrol_current_selected;
- i=current_value;
- for(;ptmp !=ptmp1;ptmp=(Tcontrol*)ptmp->pright, i=((i==max_value)?0 : (i+1)) ){
- if ( (alt_key[ toupper(ptmp->title[ptmp->hotkey])-'A'] ==key_scan_num)
- && (!(ptmp->status & DISABLE )) ) {
- if ((pcontrol_current_selected !=NULL) &&
- (!( pcontrol_current_selected->status & INVISIBLE)) )
- pcontrol_current_selected ->unselect();
- if (!( ptmp->status & INVISIBLE))
- ptmp->select();
- this->control_change_value (i);
- pcontrol_current_selected =ptmp;
- return TRUE;
- }
- }
- // normal key
- if (pcontrol_current_selected !=NULL )
- if (pcontrol_current_selected->key_pressed_handler(key_scan_num) ==TRUE )
- return TRUE;
- switch (key_scan_num) {
- case SHIFT_LEFT:
- case SHIFT_UP:
- case LEFTKEY:
- case UPKEY:
- case CTRL_F7:
- return control_tab_key_handler ( SHIFT_TABKEY );
- case SHIFT_RIGHT:
- case SHIFT_DOWN:
- case RIGHTKEY:
- case DOWNKEY:
- case CTRL_F8:
- return control_tab_key_handler ( TABKEY );
- default: return FALSE;
- }
- }
- /*************************************************************************/
- int group_class::control_tab_key_handler (int key_scan_num )
- {
- Tcontrol *ptemp1;
- int i;
- if (pfirst_control ==NULL ) return FALSE;
- if (pcontrol_current_selected ==NULL) {
- pcontrol_current_selected =(Tcontrol*)pfirst_control->pleft;
- }
- if ((pcontrol_current_selected !=NULL) &&
- (!( pcontrol_current_selected->status & INVISIBLE)) )
- pcontrol_current_selected ->unselect();
- i=((key_scan_num==TABKEY)?current_value+1:current_value-1);
- if (i<0) i=max_value-1;
- if (i>max_value-1) i=0;
- for(ptemp1 =(Tcontrol*) ( (key_scan_num==TABKEY) ? pcontrol_current_selected-> pright
- : pcontrol_current_selected-> pleft
- );
- ((ptemp1 !=this) && (ptemp1->status & DISABLE ));
- ptemp1 =(Tcontrol*) ( (key_scan_num==TABKEY) ? ptemp1 ->pright
- : ptemp1 ->pleft
- )
- ) {
- i=((key_scan_num ==TABKEY)?(i+1):(i-1));
- if (i<0) i=max_value-1;
- if (i>max_value-1) i=0;
- }
- if ( (ptemp1 !=this ) && (!( ptemp1->status & INVISIBLE)) )
- ptemp1->select ( );
- this->control_change_value (i);
- pcontrol_current_selected =ptemp1;
- return TRUE;
- }
- /*************************************************************************/
- int group_class::msg_handler (MSG& message )
- {
- int ret_val;
- // if ( (ret_val= control_class::msg_handler(message))!=FALSE)
- // return ret_val;
- switch (message.Action){
- case MouseLButtonDownMSG:
- Tcontrol *ptmp,*ptmp1;
- if (pfirst_control==NULL) return FALSE;
- if (pcontrol_current_selected==NULL) ptmp1=pfirst_control;
- else ptmp1=pcontrol_current_selected;
- int i; i=current_value;
- if ( (ptmp=(Tcontrol*)ptmp1->get_object_thru_point (win_mouse_x,win_mouse_y))==NULL) break;
- if (!PtInRect (win_mouse_x,win_mouse_y, ptmp->bounds)) return FALSE;
- i=i+ptmp1->step;
- if (ptmp==pcontrol_current_selected) break; //to current control
- if ((pcontrol_current_selected !=NULL) &&
- (!( pcontrol_current_selected->status & INVISIBLE)) )
- pcontrol_current_selected ->unselect();
- if (!( ptmp->status & INVISIBLE))
- ptmp->select();
- if (i>=max_value) i =i-max_value;
- this->control_change_value (i); //Note !!!! seem i;
- pcontrol_current_selected =ptmp;
- return TRUE;
- // default:return control_class::msg_handler(message);
- }
- if (pcontrol_current_selected !=NULL )
- return pcontrol_current_selected->msg_handler(message);
- else return control_class::msg_handler(message);
- // I don't know whether this is valid
- }
- /*************************************************************************/
- int group_class::control_change_value (int new_value )
- { if (control_class::control_change_value(new_value)==TRUE)
- return TRUE;
- current_value =new_value;
- thequeue.SendMessage(ID,GroupValueChangedMSG,this);
- return TRUE;
- }
