void Viewport::Resize () { canvas->SetBackground(output->GetBgColor()); float px = XPos(); float py = YPos(); float zx = XMag(); float zy = YMag(); perspective->curwidth = xmax+1; perspective->curheight = ymax+1; perspective->lx = round(0.90 * perspective->curwidth); perspective->ly = round(0.90 * perspective->curheight); DoAdjust(px, py, zx, zy); }
static void DoMove ( int *x, int *y, int dx, int dy, int cols, int rows ) { DoAdjust( x, y, dx, dy, cols, rows ); if( *y==(rows+1) && *x==1 ) { fb_Locate( rows, cols, -1, 0, 0 ); fb_PrintBufferEx( FB_NEWLINE, sizeof(FB_NEWLINE)-1, 0 ); } else { fb_Locate( *y, *x, -1, 0, 0 ); } }
void Viewport::Adjust (Perspective& np) { long x = np.curx; long y = np.cury; AlignHelper(align, x, y, np.curwidth, np.curheight); float px = float(x - np.x0) / float(np.width); float py = float(y - np.y0) / float(np.height); float zx = ( float(np.width) / float(cwidth) * float(perspective->curwidth) / float(np.curwidth) ); float zy = ( float(np.height) / float(cheight) * float(perspective->curheight) / float(np.curheight) ); DoAdjust(px, py, zx, zy); np = *perspective; }
void Viewport::ZoomYBy (float dzy) { DoAdjust(XPos(), YPos(), XMag(), YMag() * dzy); }
void Viewport::ZoomXBy (float dzx) { DoAdjust(XPos(), YPos(), XMag() * dzx, YMag()); }
void Viewport::ZoomYTo (float zy) { DoAdjust(XPos(), YPos(), XMag(), zy); }
void Viewport::ZoomXTo (float zx) { DoAdjust(XPos(), YPos(), zx, YMag()); }
void Viewport::ZoomTo (float zx, float zy) { DoAdjust(XPos(), YPos(), zx, zy); }
void Viewport::ScrollYBy (float dpy) { DoAdjust(XPos(), YPos() + dpy, XMag(), YMag()); }
void Viewport::ScrollXBy (float dpx) { DoAdjust(XPos() + dpx, YPos(), XMag(), YMag()); }
void Viewport::ScrollYTo (float py) { DoAdjust(XPos(), py, XMag(), YMag()); }
void Viewport::ScrollXTo (float px) { DoAdjust(px, YPos(), XMag(), YMag()); }
void Viewport::ScrollTo (float px, float py) { DoAdjust(px, py, XMag(), YMag()); }
void Viewport::AdjustBy (float dpx, float dpy, float dzx, float dzy) { DoAdjust(XPos() + dpx, YPos() + dpy, XMag() * dzx, YMag() * dzy); }
void Viewport::AdjustTo (float px, float py, float zx, float zy) { DoAdjust(px, py, zx, zy); }
FBCALL FBSTRING *fb_ConReadLine( int soft_cursor ) { FBSTRING result = { 0 }; int current_x, current_y; int cols, rows; size_t pos, len, tmp_buffer_len = 0; int cursor_visible; int k; char ch, tmp_buffer[12]; fb_GetSize(&cols, &rows); cursor_visible = (fb_Locate( 0, 0, -1, 0, 0 ) & 0x10000) != 0; fb_Locate( 0, 0, FALSE, 0, 0 ); pos = len = 0; fb_PrintBufferEx( NULL, 0, 0 ); /* Ensure that the cursor is visible during INPUT */ fb_Locate( 0, 0, (soft_cursor == FALSE), 0, 0 ); do { size_t delete_char_count = 0, add_char = FALSE; FBSTRING *sTmp; fb_GetXY(¤t_x, ¤t_y); if( soft_cursor ) { fb_PrintFixString( 0, "\377", 0 ); fb_Locate( current_y, current_x, FALSE, 0, 0 ); } while( fb_KeyHit( ) == 0 ) { fb_Delay( 25 ); /* release time slice */ } sTmp = fb_Inkey( ); if( sTmp->data != NULL ) { if( FB_STRSIZE(sTmp) == 2 ) { k = FB_MAKE_EXT_KEY(sTmp->data[1]); ch = 0; } else { k = FB_MAKE_KEY(ch = sTmp->data[0]); } fb_hStrDelTemp( sTmp ); } else { k = 0; continue; } if( soft_cursor ) { char mask[2] = { ((result.data != NULL) && (pos < len)? result.data[pos]: ' '), '\0' }; fb_PrintFixString( 0, mask, 0 ); fb_Locate( current_y, current_x, FALSE, 0, 0 ); } switch (k) { case 8: /* DEL */ if (pos!=0) { DoMove( ¤t_x, ¤t_y, -1, 0, cols, rows ); --pos; delete_char_count = 1; } break; case 9: /* TAB */ tmp_buffer_len = ((pos + 8) / 8 * 8) - pos; memset(tmp_buffer, 32, tmp_buffer_len); add_char = TRUE; break; case 27: /* ESC */ DoMove( ¤t_x, ¤t_y, -pos, 0, cols, rows ); pos = 0; delete_char_count = len; break; case FB_MAKE_EXT_KEY(0x53): /* CLeaR */ if( len!=pos ) { delete_char_count = 1; } else { fb_Beep(); } break; case FB_MAKE_EXT_KEY(0x4B): /* Cursor LEFT */ if( pos != 0 ) { DoMove( ¤t_x, ¤t_y, -1, 0, cols, rows ); --pos; } break; case FB_MAKE_EXT_KEY(0x4D): /* Cursor RIGHT */ if( pos != len ) { DoMove( ¤t_x, ¤t_y, 1, 0, cols, rows ); ++pos; } break; case FB_MAKE_EXT_KEY(0x47): /* HOME */ DoMove( ¤t_x, ¤t_y, -pos, 0, cols, rows ); pos = 0; break; case FB_MAKE_EXT_KEY(0x4F): /* END */ DoMove( ¤t_x, ¤t_y, len-pos, 0, cols, rows ); pos = len; break; case FB_MAKE_EXT_KEY(0x48): /* Cursor UP */ if( pos >= cols) { DoMove( ¤t_x, ¤t_y, -cols, 0, cols, rows ); pos -= cols; } break; case FB_MAKE_EXT_KEY(0x50): /* Cursor DOWN */ if( ( pos + cols ) <= len ) { DoMove( ¤t_x, ¤t_y, cols, 0, cols, rows ); pos += cols; } break; default: if( k>=32 && k<=255 ) { tmp_buffer[0] = (char) k; tmp_buffer_len = 1; add_char = TRUE; /* DoMove( ¤t_x, ¤t_y, 1, 0, cols ); */ } break; } if( delete_char_count!=0 || add_char ) { /* Turn off the cursor during output (speed-up) */ fb_Locate( 0, 0, FALSE, 0, 0 ); } if( delete_char_count ) { FBSTRING *str_fill; FBSTRING *str_left = fb_StrMid( &result, 1, pos ); FBSTRING *str_right = fb_StrMid( &result, pos + 1 + delete_char_count, len - pos - delete_char_count); fb_StrAssign( &result, -1, str_left, -1, FALSE ); fb_StrConcatAssign( &result, -1, str_right, -1, FALSE ); len -= delete_char_count; FB_LOCK(); fb_PrintBufferEx( result.data + pos, len - pos, 0 ); /* Overwrite all deleted characters with SPC's */ str_fill = fb_StrFill1 ( delete_char_count, ' ' ); fb_PrintBufferEx( str_fill->data, delete_char_count, 0 ); fb_hStrDelTemp( str_fill ); fb_Locate( current_y, current_x, -1, 0, 0 ); FB_UNLOCK(); } if( add_char ) { tmp_buffer[tmp_buffer_len] = 0; } if( add_char ) { int old_x = current_x, old_y = current_y; FBSTRING *str_add = fb_StrAllocTempDescF( tmp_buffer, tmp_buffer_len + 1 ); FBSTRING *str_left = fb_StrMid( &result, 1, pos ); FBSTRING *str_right = fb_StrMid( &result, pos + 1, len - pos); fb_StrAssign( &result, -1, str_left, -1, FALSE ); fb_StrConcatAssign( &result, -1, str_add, -1, FALSE ); fb_StrConcatAssign( &result, -1, str_right, -1, FALSE ); len += tmp_buffer_len; FB_LOCK(); fb_PrintBufferEx( result.data + pos, len - pos, 0 ); fb_GetXY(¤t_x, ¤t_y); if( pos==(len-tmp_buffer_len) ) { current_x = old_x; current_y = old_y; DoMove( ¤t_x, ¤t_y, tmp_buffer_len, 0, cols, rows ); } else { int tmp_x_2 = old_x, tmp_y_2 = old_y; DoAdjust( &tmp_x_2, &tmp_y_2, len - pos, 0, cols, rows ); if( tmp_y_2 > (rows+1) || (tmp_y_2==(rows+1) && tmp_x_2>1) ) { DoMove( ¤t_x, ¤t_y, -(len - pos - tmp_buffer_len), 0, cols, rows ); } else { current_x = old_x; current_y = old_y; DoMove( ¤t_x, ¤t_y, tmp_buffer_len, 0, cols, rows ); } } pos += tmp_buffer_len; FB_UNLOCK(); } fb_Locate( 0, 0, (soft_cursor == FALSE), 0, 0 ); } while (k!='\r' && k!='\n'); FB_LOCK(); /* set cursor to end of line */ fb_GetXY(¤t_x, ¤t_y); DoMove( ¤t_x, ¤t_y, len - pos, 0, cols, rows ); /* Restore old cursor visibility */ fb_Locate( 0, 0, cursor_visible, 0, 0 ); FB_UNLOCK(); return fb_StrAllocTempResult( &result ); }