Signed-off-by: Huw Davies huw@codeweavers.com --- dlls/riched20/caret.c | 66 ++++++++++++++++++++---------------------- dlls/riched20/editor.h | 7 +++++ dlls/riched20/row.c | 29 +++++++++++++++++++ 3 files changed, 68 insertions(+), 34 deletions(-)
diff --git a/dlls/riched20/caret.c b/dlls/riched20/caret.c index 4da6898bef8..0c5f221a7c4 100644 --- a/dlls/riched20/caret.c +++ b/dlls/riched20/caret.c @@ -903,40 +903,39 @@ static ME_Paragraph *pixel_pos_in_table_row( int x, int y, ME_Paragraph *para ) return para; }
- -static BOOL cursor_from_row( ME_TextEditor *editor, ME_DisplayItem *pRow, - int x, ME_Cursor *cursor ) +static BOOL row_cursor( ME_TextEditor *editor, ME_Row *row, int x, + ME_Cursor *cursor ) { - ME_DisplayItem *pNext, *pLastRun; - ME_Row *row = &pRow->member.row; - BOOL exact = TRUE; + ME_Run *run, *last; + BOOL exact = TRUE;
- if (x < row->pt.x) - { - x = row->pt.x; - exact = FALSE; - } - pNext = ME_FindItemFwd(pRow, diRunOrStartRow); - assert(pNext->type == diRun); - cursor->nOffset = 0; - do { - int run_x = pNext->member.run.pt.x; - int width = pNext->member.run.nWidth; - - if (x >= run_x && x < run_x+width) + if (x < row->pt.x) { - cursor->nOffset = ME_CharFromPoint(editor, x-run_x, &pNext->member.run, TRUE, TRUE); - cursor->pRun = pNext; - cursor->pPara = ME_GetParagraph( cursor->pRun ); - return exact; + x = row->pt.x; + exact = FALSE; } - pLastRun = pNext; - pNext = ME_FindItemFwd(pNext, diRunOrStartRow); - } while(pNext && pNext->type == diRun);
- cursor->pRun = pLastRun; - cursor->pPara = ME_GetParagraph( cursor->pRun ); - return FALSE; + run = row_first_run( row ); + assert( run ); + cursor->nOffset = 0; + do + { + if (x >= run->pt.x && x < run->pt.x + run->nWidth) + { + cursor->nOffset = ME_CharFromPoint( editor, x - run->pt.x, run, TRUE, TRUE ); + cursor->pRun = run_get_di( run ); + cursor->pPara = para_get_di( run->para ); + return exact; + } + last = run; + run = row_next_run( row, run ); + } while (run); + + run = last; + + cursor->pRun = run_get_di( run ); + cursor->pPara = para_get_di( run->para ); + return FALSE; }
/* Finds the run and offset from the pixel position. @@ -995,8 +994,7 @@ static BOOL cursor_from_virtual_coords( ME_TextEditor *editor, int x, int y, row = ME_FindItemBack( para_get_di( para ), diStartRow); }
- - if (row) return cursor_from_row( editor, row, x, result ) && isExact; + if (row) return row_cursor( editor, &row->member.row, x, result ) && isExact;
ME_SetCursorToEnd(editor, result, TRUE); return FALSE; @@ -1279,7 +1277,7 @@ ME_MoveCursorLines(ME_TextEditor *editor, ME_Cursor *pCursor, int nRelOfs, BOOL /* row not found - ignore */ return; } - cursor_from_row( editor, pItem, x, pCursor ); + row_cursor( editor, &pItem->member.row, x, pCursor ); assert(pCursor->pRun); assert(pCursor->pRun->type == diRun); } @@ -1329,7 +1327,7 @@ static void ME_ArrowPageUp(ME_TextEditor *editor, ME_Cursor *pCursor) pLast = p; } while(1);
- cursor_from_row( editor, pLast, x, pCursor ); + row_cursor( editor, &pLast->member.row, x, pCursor ); } assert(pCursor->pRun); assert(pCursor->pRun->type == diRun); @@ -1383,7 +1381,7 @@ static void ME_ArrowPageDown(ME_TextEditor *editor, ME_Cursor *pCursor) pLast = p; } while(1);
- cursor_from_row( editor, pLast, x, pCursor ); + row_cursor( editor, &pLast->member.row, x, pCursor ); } assert(pCursor->pRun); assert(pCursor->pRun->type == diRun); diff --git a/dlls/riched20/editor.h b/dlls/riched20/editor.h index 68c54c2b328..cf5e2d84fc2 100644 --- a/dlls/riched20/editor.h +++ b/dlls/riched20/editor.h @@ -111,10 +111,17 @@ int ME_ReverseFindNonWhitespaceV(const ME_String *s, int nVChar) DECLSPEC_HIDDEN int ME_ReverseFindWhitespaceV(const ME_String *s, int nVChar) DECLSPEC_HIDDEN;
/* row.c */ +ME_Run *row_first_run( ME_Row *row ) DECLSPEC_HIDDEN; +ME_Row *row_next( ME_Row *row ) DECLSPEC_HIDDEN; +ME_Run *row_next_run( ME_Row *row, ME_Run *run ) DECLSPEC_HIDDEN; ME_DisplayItem *ME_RowStart(ME_DisplayItem *item) DECLSPEC_HIDDEN; /* ME_DisplayItem *ME_RowEnd(ME_DisplayItem *item); */ ME_DisplayItem *ME_FindRowWithNumber(ME_TextEditor *editor, int nRow) DECLSPEC_HIDDEN; int ME_RowNumberFromCharOfs(ME_TextEditor *editor, int nOfs) DECLSPEC_HIDDEN; +static inline ME_DisplayItem *row_get_di( ME_Row *row ) +{ + return (ME_DisplayItem *)((ptrdiff_t)row - offsetof(ME_DisplayItem, member)); +}
/* run.c */ void cursor_from_char_ofs( ME_TextEditor *editor, int char_ofs, ME_Cursor *cursor ) DECLSPEC_HIDDEN; diff --git a/dlls/riched20/row.c b/dlls/riched20/row.c index 1bf153f6ca9..a149231dcbe 100644 --- a/dlls/riched20/row.c +++ b/dlls/riched20/row.c @@ -24,6 +24,35 @@
#include "editor.h"
+ME_Row *row_next( ME_Row *row ) +{ + ME_DisplayItem *item; + + item = ME_FindItemFwd( row_get_di( row ), diStartRow ); + if (!item) return NULL; + return &item->member.row; +} + +ME_Run *row_first_run( ME_Row *row ) +{ + ME_DisplayItem *item; + + item = ME_FindItemFwd( row_get_di( row ), diRunOrStartRow ); + assert( item->type == diRun ); + return &item->member.run; +} + +ME_Run *row_next_run( ME_Row *row, ME_Run *run ) +{ + ME_DisplayItem *item; + + assert( row == &ME_FindItemBack( run_get_di( run ), diStartRow )->member.row ); + + item = ME_FindItemFwd( run_get_di( run ), diRunOrStartRow ); + if (!item || item->type == diStartRow) return NULL; + return &item->member.run; +} + /* I'm sure these functions would simplify some code in caret ops etc, * I just didn't remember them when I wrote that code */