336 lines
7.7 KiB
C
336 lines
7.7 KiB
C
#include "mywin_inc.h"
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#define WIN_SCROLLBAR_TYPE "WIN_ScrollbarStruct"
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void SCROLLBAR_Delete(WIN_ScrollbarStruct *bar);
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WIN_ScrollbarStruct *WIN_CreatScrollbar (WIN_WindowStruct *base,
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void (*msgLoop)(struct _WIN_WindowStruct *win,WIN_MsgStruct *msg),
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int x,int y,int x_size,int y_size)
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{
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//重设消息循环
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if (msgLoop==0)
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{
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msgLoop=(void (*)(struct _WIN_WindowStruct *win,WIN_MsgStruct *msg))SCROLLBAR_DefaultMsgLoop;
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}
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WIN_ScrollbarStruct *ret=mymalloc (sizeof ( WIN_ScrollbarStruct));
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//调用父类的构造函数
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if (ret)
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{
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mymemset (ret,0,sizeof ( WIN_ScrollbarStruct));
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if (0==WIN_CreatWindowExt((WIN_WindowStruct *)ret,base,msgLoop,x,y,x_size,y_size))
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{
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//创建失败
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myfree (ret);
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ret=0;
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}
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else
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{
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//构造一个
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((WIN_WindowStruct *)ret)->deleteWindow=(void (*)(struct _WIN_WindowStruct *win))SCROLLBAR_Delete;
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((WIN_WindowStruct *)ret)->winType=WIN_SCROLLBAR_TYPE;
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((WIN_WindowStruct *)ret)->bkcolor=0x342f2a;
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((WIN_WindowStruct *)ret)->color=0xc2ae9b;
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((WIN_WindowStruct *)ret)->keyChid=1; //作为子窗口被创建
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ret->color_light=0xffffff;
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ret->color_dark=0x808080;
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ret->y_step=45;
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}
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}
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return ret;
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}
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void SCROLLBAR_Delete(WIN_ScrollbarStruct *bar)
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{
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if(bar->items) myfree(bar->items);
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//调用父类的销毁函数
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WIN_DeleteWindow ( (WIN_WindowStruct *)bar);
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}
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void SCROLLBAR_AddItem (WIN_ScrollbarStruct *bar,char *item,char *pic_path)
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{
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if (bar->itemNum<bar->itemMaxNum)
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{
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int len=strlen(item);
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if(len+1>SCROLLBAR_ITEM_MAXLEN)
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printf("%s:item txt to long\r\n",__func__);
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mymemcpy ( bar->items[bar->itemNum].txt,item,len+1);
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bar->items[bar->itemNum].pic_path=pic_path;
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bar->itemNum++;
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}
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}
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Scrollbar_ItemStruct *SCROLLBAR_GetItemByOffset (WIN_ScrollbarStruct *bar,int offset)
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{
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if(bar->itemNum==0) return 0;
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while(bar->index+offset<0) offset+=bar->itemNum;
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while(bar->index+offset>=bar->itemNum) offset-=bar->itemNum;
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if((bar->index+offset>=0)&&(bar->index+offset<bar->itemNum))
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return &bar->items[bar->index+offset];
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else
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return 0;
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}
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//绘制一个条目，y是条目中心坐标
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void SCROLLBAR_DrawItem (WIN_ScrollbarStruct *bar,int offset,int y)
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{
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Scrollbar_ItemStruct *item=SCROLLBAR_GetItemByOffset(bar,offset);
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int x=((WIN_WindowStruct *)bar)->x_size/2;
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if (item)
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{
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if (offset==0)
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WIN_SetLcdColor(bar->color_light);
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else
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WIN_SetLcdColor(bar->color_dark);
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WIN_PicStruct *pic=WIN_GetPic(item->pic_path);
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int pic_xsize=0;
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if(pic) pic_xsize=pic->xsize+WIN_GetFontWidth()/2;
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int xsize=strlen(item->txt)*WIN_GetFontWidth()/2+pic_xsize;
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x=x-xsize/2;
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WIN_DrawPic(pic,x,y-pic->ysize/2,pic->xsize,pic->ysize);
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x+=pic_xsize;
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WIN_DrawTxtAt(item->txt,x,y-WIN_GetFontHight()/2);
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}
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}
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//默认绘制函数
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void SCROLLBAR_DefaultPaint (WIN_ScrollbarStruct *bar)
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{
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int x=0;
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int y=0;
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int x_size=((WIN_WindowStruct *)bar)->x_size;
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int y_size=((WIN_WindowStruct *)bar)->y_size;
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WIN_PaintBackGround ((WIN_WindowStruct *)bar);
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int draw_item_num=3;
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for (;draw_item_num*bar->y_step<y_size;draw_item_num+=2){}
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for (int i=-draw_item_num/2;i<draw_item_num/2+1;i++)
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{
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SCROLLBAR_DrawItem(bar,i,bar->y_step*i+y_size/2+bar->y_offset);
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}
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}
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//惯性定时器消息
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int SCROLLBAR_TimerInertia(WIN_ScrollbarStruct *bar)
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{
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if(bar->x_inertia>0) bar->x_inertia--;
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else if(bar->x_inertia<0) bar->x_inertia++;
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if(bar->y_inertia>0) bar->y_inertia--;
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else if(bar->y_inertia<0) bar->y_inertia++;
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//惯性滑动
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WIN_SendTouchMove((WIN_WindowStruct *)bar,bar->x_inertia,bar->y_inertia);
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if(bar->y_inertia==0&&bar->x_inertia==0)
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{
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WIN_DeleteTimer(bar->timer_inertia);
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bar->timer_inertia=0;
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bar->num_inertia=0;
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}
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return 0;
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}
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#define SCROLLBAR_INDEX_ADD() {if (bar->index<bar->itemNum-1) bar->index++;\
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else bar->index=0;}
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#define SCROLLBAR_INDEX_SUB() {if (bar->index>0) bar->index--;\
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else bar->index=bar->itemNum-1;}
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void SCROLLBAR_DefaultMsgLoop (WIN_ScrollbarStruct *bar,WIN_MsgStruct *msg)
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{
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WIN_MoveStruct *m=0;
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WIN_KeyStruct *k=0;
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switch (msg->msg)
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{
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case WIN_MSG_PAINT:
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SCROLLBAR_DefaultPaint(bar);
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break;
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case WIN_MSG_INIT:
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WIN_SetBackPic((WIN_WindowStruct *)bar);
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break;
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case WIN_MSG_KEY:
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k=msg->data.p;
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if (k->shortPress& KEY_VALUE_DOWN)
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{
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SCROLLBAR_INDEX_ADD();
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bar->y_offset=0;
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WIN_SetInvalid((WIN_WindowStruct *)bar);
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}
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else if (k->shortPress&KEY_VALUE_UP)
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{
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SCROLLBAR_INDEX_SUB();
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bar->y_offset=0;
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WIN_SetInvalid((WIN_WindowStruct *)bar);
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}
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break;
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case WIN_MSG_MOVE:
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m=msg->data.p;
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switch (m->moveType)
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{
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case MOVE_DATA_MOVED:
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bar->y_offset+=m->y_move;
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if (bar->y_offset>bar->y_step/2)
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{
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bar->y_offset-=bar->y_step;
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SCROLLBAR_INDEX_SUB();
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}
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else if (bar->y_offset<=-bar->y_step/2)
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{
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bar->y_offset+=bar->y_step;
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SCROLLBAR_INDEX_ADD();
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}
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if(bar->timer_inertia==0)
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{
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//存储惯性值
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// bar->x_inertia=bar->x_inertia*bar->num_inertia+ m->x_move;
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// bar->y_inertia=bar->y_inertia*bar->num_inertia+ m->y_move;
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// bar->num_inertia++;
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// bar->x_inertia/=bar->num_inertia;
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// bar->y_inertia/=bar->num_inertia;
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bar->x_inertia=m->x_move;
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bar->y_inertia=m->y_move;
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}
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if(bar->x_inertia==0&&bar->y_inertia==0)
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bar->y_offset=0;
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WIN_SetInvalidWhenTop ((WIN_WindowStruct *)bar);
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break;
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case MOVE_DATA_SHORT:
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if(bar->timer_inertia==0)
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{
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WIN_SendMsgToPrent((WIN_WindowStruct *)bar,CHID_USER,SCROLLBAR_PRESSED);
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}
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else
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{
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WIN_DeleteTimer(bar->timer_inertia);
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bar->timer_inertia=0;
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bar->x_inertia=0;
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bar->y_inertia=0;
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}
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break;
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case MOVE_DATA_TOUCHOUT:
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case MOVE_DATA_MOVEOUT:
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//添加惯性定时器
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if((bar->timer_inertia==0)&&(bar->x_inertia||bar->y_inertia))
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{
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bar->timer_inertia=WIN_CreatTimer((WIN_WindowStruct *)bar,20);
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}
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else if(bar->timer_inertia==0)
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{
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// 滑动停止
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// WIN_SendTouchMove((WIN_WindowStruct *)bar,0,0);
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}
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default:
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break;
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}
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break;
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case WIN_MSG_TIMER:
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if(msg->data.v==bar->timer_inertia)
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{
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SCROLLBAR_TimerInertia(bar);
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}
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break;
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default:
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WIN_DefaultMsgLoop((WIN_WindowStruct *)bar,msg);
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break;
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}
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}
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void SCROLLBAR_SetItemNum(WIN_ScrollbarStruct *bar,int itemNum)
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{
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if(bar->items)
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{
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bar->items=myrealloc(bar->items,sizeof(Scrollbar_ItemStruct)*itemNum);
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if(itemNum>bar->itemMaxNum)
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mymemset(bar->items+bar->itemMaxNum*sizeof(Scrollbar_ItemStruct),0,
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sizeof(Scrollbar_ItemStruct)*(itemNum-bar->itemMaxNum));
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}
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else
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{
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bar->items=mymalloc(sizeof(Scrollbar_ItemStruct)*itemNum);
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mymemset(bar->items,0,sizeof(Scrollbar_ItemStruct)*itemNum);
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}
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bar->itemMaxNum=itemNum;
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}
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WIN_ScrollbarStruct *SCROLLBAR_SelectItem (WIN_WindowStruct *base,char **item,int itemNum,int x,int y,int x_size,int y_size)
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{
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WIN_ScrollbarStruct *bar=WIN_CreatScrollbar(base,0,x,y,x_size,y_size);
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SCROLLBAR_SetItemNum(bar,itemNum);
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for (int i=0;i<itemNum;i++)
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{ int len=strlen(item[i]);
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SCROLLBAR_AddItem(bar,item[i],0);
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if (x_size<len) x_size=len; }
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//设置弹出框的背景
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WIN_SetBackPic ((WIN_WindowStruct *)bar);
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WIN_ShowWindow((WIN_WindowStruct *)bar);
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return bar;
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}
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WIN_ScrollbarStruct *SCROLLBAR_SelectNum (WIN_WindowStruct *base,int min,int max,int x,int y,int x_size,int y_size)
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{
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// if (max-min+1>bar->itemMaxNum) return 0;
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if (max<min) return 0;
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char **item=mymalloc((max-min+1)*sizeof(char **));
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for (int i=0;i<max-min+1;i++)
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{
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item[i]=mymalloc(SCROLLBAR_ITEM_MAXLEN*sizeof(char));
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sprintf(item[i],"%d",min+i);
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}
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WIN_ScrollbarStruct *ret=SCROLLBAR_SelectItem(base,item,max-min+1,x,y,x_size,y_size);
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for (int i=0;i<max-min+1;i++)
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{
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myfree(item[i]);
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}
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myfree(item);
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return ret;
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}
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