source: dev/ProjectEditor/TextEditor.cpp @ 22

#include "Common.h"

extern HFONT hFont_TextEdit,hFont_HyperLink_TextEdit;
extern int font_width,font_height;


int GetControlTabSpace(int WndNum,int *piCount){
    if(pobj_nv->bEditor_LineNumber){
        extern MDIINFO MdiInfo[MAX_WNDNUM];

        char *pBuf;
        pBuf=MdiInfo[WndNum].pmti->buffer;

        int i,iNum=1,x=0;
        for(i=0;;i++,x++){
            if(IsRightTurn(pBuf,i,x)){
                //右端で折り返す
                iNum++;
                x=-1;
                i--;
                continue;
            }
            if(pBuf[i]=='\0') break;
            if(pBuf[i]=='\r'&&pBuf[i+1]=='\n'){
                iNum++;

                x=-1;
            }
        }
        char temporary[255];
        sprintf(temporary,"%d",iNum);

        extern SIZE sizeLineNumberFont;

        i=lstrlen(temporary);
        if(piCount) *piCount=i;

        return sizeLineNumberFont.cx*(i+2);
    }

    return CONTROL_TAB_SPACE_DEFAULT;
}

void ResetTextEditFont(HWND hwnd){
    if(hFont_TextEdit) DeleteObject(hFont_TextEdit);
    hFont_TextEdit=CreateFontIndirect(&pobj_nv->lf);

    //下線フォント
    LOGFONT lf;
    lf=pobj_nv->lf;
    lf.lfUnderline=TRUE;
    if(hFont_HyperLink_TextEdit) DeleteObject(hFont_HyperLink_TextEdit);
    hFont_HyperLink_TextEdit=CreateFontIndirect(&lf);

    HDC hdc;
    HFONT hOldFont;
    hdc=GetDC(hwnd);


    hOldFont=(HFONT)SelectObject(hdc,hFont_TextEdit);

    //単位文字の幅、高さ
    SIZE size;
    GetTextExtentPoint32(hdc,"A",1,&size);
    font_width=size.cx;
    font_height=size.cy;

    SelectObject(hdc,hOldFont);


    //行番号表示用フォントのサイズ
    extern HFONT hFont_LineNumber;
    hOldFont=(HFONT)SelectObject(hdc,hFont_LineNumber);
    extern SIZE sizeLineNumberFont;
    GetTextExtentPoint32(hdc,"A",1,&sizeLineNumberFont);
    SelectObject(hdc, hOldFont);
    
    
    ReleaseDC(hwnd,hdc);
}
void SetTextEditWordColor(int WndNum){
    extern MDIINFO MdiInfo[MAX_WNDNUM];
    int i,i2,i3,IsStr;
    char str[255];
    char *pBuf;

    pBuf=MdiInfo[WndNum].pmti->buffer;

    if(MdiInfo[WndNum].DocType==WNDTYPE_TEXT){
        //通常のテキストはすべてをデフォルトカラー（標準で黒）にする
        for(i=0;;i++){
            if(pBuf[i]=='\0') break;
            MdiInfo[WndNum].pmti->pColorRef[i]=tci.rgbDefault;
        }
        return;
    }


    for(i=0,IsStr=0;;i++){
        if(pBuf[i]=='\0') break;

        if((IsVariableTopChar(pBuf[i]))&&IsStr==0){
            for(i2=0;;i++,i2++){
                if((!IsVariableChar(pBuf[i]))||pBuf[i]=='.'){
                    str[i2]=0;
                    break;
                }
                str[i2]=pBuf[i];
            }

            BOOL bResult=0;
            if(MdiInfo[WndNum].DocType==WNDTYPE_BASIC){
                i3=IsBasicReservedWord(str);
                bResult=IsManagementCommand(i3);
            }
            else if(MdiInfo[WndNum].DocType==WNDTYPE_HTML){
                bResult=IsHtmlReservedWord(str);
            }

            if(bResult){
                for(i3=i-i2;i3<i;i3++){
                    MdiInfo[WndNum].pmti->pColorRef[i3]=tci.rgbStatement;
                }
            }
            else{
                for(i3=i-i2;i3<i;i3++){
                    MdiInfo[WndNum].pmti->pColorRef[i3]=tci.rgbDefault;
                }
            }
            i--;
            continue;
        }
        else{
            if(IsStr||pBuf[i]=='\"'&&IsStr==0){
                //文字列カラー（""で囲まれる範囲）
                MdiInfo[WndNum].pmti->pColorRef[i]=tci.rgbString;
            }
            else{
                //通常カラー
                MdiInfo[WndNum].pmti->pColorRef[i]=tci.rgbDefault;
            }
        }

        if(pBuf[i]=='\"') IsStr^=1;

        if(pBuf[i]=='\r'&&pBuf[i+1]=='\n'){
            IsStr=0;
            continue;
        }
    }
}
void ResetScrollbar(int WndNum,int max_x,int max_y){
    extern MDIINFO MdiInfo[MAX_WNDNUM];
    RECT rect;

    //エディタ画面左端のコントロールタブ
    int iControlTabSpace;
    iControlTabSpace=MdiInfo[WndNum].pmti->iWidth_ControlTabSpace;

    HWND hEdit;
    hEdit=GetWindow(MdiInfo[WndNum].hwnd,GW_CHILD);
    GetClientRect(hEdit,&rect);

    SCROLLINFO si;
    si.cbSize=sizeof(SCROLLINFO);
    si.fMask=SIF_PAGE|SIF_RANGE|SIF_DISABLENOSCROLL;

    //垂直スクロールバーの設定
    GetScrollInfo(hEdit,SB_VERT,&si);
    si.nPage=(rect.bottom/font_height)-1;
    si.nMin=0;
    si.nMax=max_y+si.nPage/5*3;
    SetScrollInfo(hEdit,SB_VERT,&si,1);

    //水平スクロールバーの設定
    GetScrollInfo(hEdit,SB_HORZ,&si);
    si.nMin=0;
    si.nPage=(rect.right-iControlTabSpace)/font_width   -1;
    si.nMax=max_x+si.nPage/3;
    SetScrollInfo(hEdit,SB_HORZ,&si,1);

    //ルーラーを再描画
    InvalidateRect(MdiInfo[WndNum].pmti->pobj_Ruler->hRulerWnd,NULL,0);
    UpdateWindow(MdiInfo[WndNum].pmti->pobj_Ruler->hRulerWnd);
}

#define HIRA_START  (unsigned char)0x9F     //ひらがなの2バイト目の範囲
#define HIRA_END    (unsigned char)0xF1
#define KATA_START  (unsigned char)0x40     //カタカナの2バイト目の範囲
#define KATA_END    (unsigned char)0x96
BOOL IsHiragana(char *pBuf){
    if((unsigned char)pBuf[0]==(unsigned char)0x82&&
        HIRA_START<=(unsigned char)pBuf[1]&&(unsigned char)pBuf[1]<=HIRA_END) return 1;
    return 0;
}
BOOL IsKatakana(char *pBuf){
    if(((unsigned char)pBuf[0]==(unsigned char)0x83&&
        KATA_START<=(unsigned char)pBuf[1]&&(unsigned char)pBuf[1]<=KATA_END)||
        (unsigned char)pBuf[0]==(unsigned char)0x81&&(unsigned char)pBuf[1]==(unsigned char)0x5B) return 1;
    return 0;
}
BOOL IsKanji(char *pBuf){
    if((unsigned char)0x88<=(unsigned char)pBuf[0] && (unsigned char)pBuf[0]<=(unsigned char)0xEA) return 1;
    return 0;
}
BOOL IsAlphabet(char c){
    if('a'<=c&&c<='z'||'A'<=c&&c<='Z') return 1;
    return 0;
}
BOOL IsReturnCode(char *pBuf){
    if(pBuf[0]=='\r'&&pBuf[1]=='\n') return 1;
    return 0;
}
void TextEdit_GetWordCaret(HWND hwnd,int WndNum,POINT *pPos,int *piStart,int *piEnd,BOOL bBeforeAfterFlag){
    extern MDIINFO MdiInfo[MAX_WNDNUM];
    int i,start,end;
    char *pBuf;

    pBuf=MdiInfo[WndNum].pmti->buffer;

    //ダブルクリック位置を取得（バッファインデックス）
    i=GetBufferIndexFromCaretPos(pBuf,
        pPos->x,
        pPos->y);

    if(IsDBCSLeadByte(pBuf[i])){
        ///////////////////
        // 全角文字のとき
        ///////////////////

        if(IsHiragana(pBuf+i)){
            //ひらがな

            //単語の先頭位置を取得
            start=i;
            for(;;start-=2){
                if(0>start){
                    start+=2;
                    break;
                }
                if(!IsHiragana(pBuf+start)){
                    start+=2;
                    break;
                }
            }

            //単語の終端位置を取得
            end=i;
            for(;;end+=2){
                if(!IsHiragana(pBuf+end)) break;
            }
        }
        else if(IsKatakana(pBuf+i)){
            //カタカナ

            //単語の先頭位置を取得
            start=i;
            for(;;start-=2){
                if(0>start){
                    start+=2;
                    break;
                }
                if(!IsKatakana(pBuf+start)){
                    start+=2;
                    break;
                }
            }

            //単語の終端位置を取得
            end=i;
            for(;;end+=2){
                if(!IsKatakana(pBuf+end)) break;
            }
        }
        else if(IsKanji(pBuf+i)){
            //漢字

            //単語の先頭位置を取得
            start=i;
            for(;;start-=2){
                if(0>start){
                    start+=2;
                    break;
                }
                if(!IsKanji(pBuf+start)){
                    start+=2;
                    break;
                }
            }

            //単語の終端位置を取得
            end=i;
            for(;;end+=2){
                if(!IsKanji(pBuf+end)) break;
            }
        }
        else{
            //漢字とその他の全角文字
            start=i;
            end=start+2;
        }
    }
    else{
        ///////////////////
        // 半角文字のとき
        ///////////////////

        //単語の先頭位置を取得
        start=i;
        for(;0<=start;start--){
            if(!(IsVariableChar(pBuf[start])&&pBuf[start]!='.')){
                break;
            }
        }
        start++;

        //単語の終端位置を取得
        end=i;
        for(;;end++){
            if(!(IsVariableChar(pBuf[end])&&pBuf[end]!='.')) break;
        }
    }

    *piStart=start;
    *piEnd=end;
}
void CancelBeforeAutoIndent(int WndNum){
    extern MDIINFO MdiInfo[MAX_WNDNUM];
    int i;

    i=GetBufferIndexFromCaretPos(
        MdiInfo[WndNum].pmti->buffer,
        MdiInfo[WndNum].pmti->StartCaretPos.x,
        MdiInfo[WndNum].pmti->StartCaretPos.y);
    GetCaretPosFromBufferIndex(
        MdiInfo[WndNum].pmti->buffer,
        i-lstrlen(MdiInfo[WndNum].IndentStr),
        &MdiInfo[WndNum].pmti->StartCaretPos);

    TextEdit_Replace(WndNum,"",1);

    HeapDefaultFree(MdiInfo[WndNum].IndentStr);
    MdiInfo[WndNum].IndentStr=0;
}