forked from KolibriOS/kolibrios
74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
char char_width[255];
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enum {
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COUNT_BUF_HEIGHT,
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DRAW_BUF
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};
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void Parcer(byte mode)
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{
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dword bufoff, buflen;
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byte ch;
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char line[4096]=0;
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int srch_pos;
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dword stroka=0;
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dword stroka_y=5;
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dword line_length=30;
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dword line_start=io.buffer_data;
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buflen = strlen(io.buffer_data) + io.buffer_data;
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for (bufoff=io.buffer_data; bufoff<buflen; bufoff++)
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{
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ch = ESBYTE[bufoff];
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line_length += char_width[ch];
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if (line_length>=list.w) || (ch==10) {
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srch_pos = bufoff;
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loop()
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{
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if (__isWhite(ESBYTE[srch_pos])) { bufoff=srch_pos+1; break; } //normal word-break
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if (srch_pos == line_start) break; //no white space found in whole line
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srch_pos--;
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}
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if (mode==COUNT_BUF_HEIGHT) {
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line_start = bufoff;
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line_length = 30;
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list.count++;
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}
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if (mode==DRAW_BUF) {
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EBX = bufoff-line_start;
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strlcpy(#line, line_start, EBX);
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label.write_buf(8,stroka_y,list.w,label.size.height, 0xFFFFFF, 0, label.size.pt, #line);
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stroka_y += list.item_h;
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line_start = bufoff;
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line_length = 30;
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}
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}
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}
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if (mode==COUNT_BUF_HEIGHT) list.count++;
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if (mode==DRAW_BUF) label.write_buf(8,stroka_y,list.w,label.size.height, 0xFFFFFF, 0, label.size.pt, line_start);
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}
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void PreparePage()
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{
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//get font chars width, need to increase performance
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int i;
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label.changeSIZE();
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for (i=0; i<256; i++) char_width[i] = label.symbol_size(i);
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//get font buffer height
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list.w = Form.cwidth-scroll.size_x-1;
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list.count=0;
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Parcer(COUNT_BUF_HEIGHT);
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//draw text in buffer
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list.SetSizes(0, TOOLBAR_H, list.w, Form.cheight-TOOLBAR_H, label.size.pt+1);
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if (list.count < list.visible) list.count = list.visible;
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label.size.height = list.count+1*list.item_h;
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label.raw_size = 0;
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Parcer(DRAW_BUF);
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//draw result
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label.apply_smooth();
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DrawPage();
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}
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