void ME_LButtonDown(ME_TextEditor *editor, int x, int y)
{
ME_Cursor tmp_cursor;
int is_selection = 0;
editor->nUDArrowX = -1;
y += ME_GetYScrollPos(editor);
tmp_cursor = editor->pCursors[0];
is_selection = ME_IsSelection(editor);
ME_FindPixelPos(editor, x, y, &editor->pCursors[0], &editor->bCaretAtEnd);
if (GetKeyState(VK_SHIFT)>=0)
{
editor->pCursors[1] = editor->pCursors[0];
}
else
{
if (!is_selection) {
editor->pCursors[1] = tmp_cursor;
is_selection = 1;
}
}
ME_InvalidateSelection(editor);
HideCaret(editor->hWnd);
ME_MoveCaret(editor);
ShowCaret(editor->hWnd);
ME_ClearTempStyle(editor);
ME_SendSelChange(editor);
}
void ME_MouseMove(ME_TextEditor *editor, int x, int y)
{
ME_Cursor tmp_cursor;
if (editor->nSelectionType == stDocument)
return;
x += editor->horz_si.nPos;
y += editor->vert_si.nPos;
tmp_cursor = editor->pCursors[0];
/* FIXME: do something with the return value of ME_FindPixelPos */
ME_FindPixelPos(editor, x, y, &tmp_cursor, &editor->bCaretAtEnd);
ME_InvalidateSelection(editor);
editor->pCursors[0] = tmp_cursor;
ME_ExtendAnchorSelection(editor);
if (editor->nSelectionType != stPosition &&
memcmp(&editor->pCursors[1], &editor->pCursors[3], sizeof(ME_Cursor)))
{
/* The scroll the cursor towards the other end, since it was the one
* extended by ME_ExtendAnchorSelection */
ME_EnsureVisible(editor, &editor->pCursors[1]);
} else {
ME_EnsureVisible(editor, &editor->pCursors[0]);
}
ME_InvalidateSelection(editor);
HideCaret(editor->hWnd);
ME_ShowCaret(editor);
ME_SendSelChange(editor);
}
void ME_MouseMove(ME_TextEditor *editor, int x, int y)
{
ME_Cursor tmp_cursor;
y += ME_GetYScrollPos(editor);
tmp_cursor = editor->pCursors[0];
/* FIXME: do something with the return value of ME_FindPixelPos */
if (!editor->linesel)
ME_FindPixelPos(editor, x, y, &tmp_cursor, &editor->bCaretAtEnd);
else ME_FindPixelPos(editor, (y > editor->sely) * editor->rcFormat.right, y, &tmp_cursor, &editor->bCaretAtEnd);
if (!memcmp(&tmp_cursor, editor->pCursors, sizeof(tmp_cursor)))
return;
ME_InvalidateSelection(editor);
if (!editor->linesel)
editor->pCursors[0] = tmp_cursor;
else if (!memcmp(&tmp_cursor, editor->pCursors+2, sizeof(tmp_cursor)) ||
!memcmp(&tmp_cursor, editor->pCursors+3, sizeof(tmp_cursor)))
{
editor->pCursors[0] = editor->pCursors[2];
editor->pCursors[1] = editor->pCursors[3];
}
else if (y < editor->sely)
{
editor->pCursors[0] = tmp_cursor;
editor->pCursors[1] = editor->pCursors[2];
}
else
{
editor->pCursors[0] = tmp_cursor;
editor->pCursors[1] = editor->pCursors[3];
}
HideCaret(editor->hWnd);
ME_MoveCaret(editor);
ME_InvalidateSelection(editor);
ShowCaret(editor->hWnd);
ME_SendSelChange(editor);
}
int
ME_CharFromPos(ME_TextEditor *editor, int x, int y)
{
ME_Cursor cursor;
RECT rc;
GetClientRect(editor->hWnd, &rc);
if (x < 0 || y < 0 || x >= rc.right || y >= rc.bottom)
return -1;
y += ME_GetYScrollPos(editor);
ME_FindPixelPos(editor, x, y, &cursor, NULL);
return (ME_GetParagraph(cursor.pRun)->member.para.nCharOfs
+ cursor.pRun->member.run.nCharOfs + cursor.nOffset);
}
/* Sets the cursor to the position closest to the pixel position
*
* x & y are pixel positions in client coordinates.
*
* isExact will be set to TRUE if the run is directly under the pixel
* position, FALSE if it not, unless isExact is set to NULL.
*
* return FALSE if outside client area and the cursor is not set,
* otherwise TRUE is returned.
*/
BOOL ME_CharFromPos(ME_TextEditor *editor, int x, int y,
ME_Cursor *cursor, BOOL *isExact)
{
RECT rc;
BOOL bResult;
ITextHost_TxGetClientRect(editor->texthost, &rc);
if (x < 0 || y < 0 || x >= rc.right || y >= rc.bottom) {
if (isExact) *isExact = FALSE;
return FALSE;
}
x += editor->horz_si.nPos;
y += editor->vert_si.nPos;
bResult = ME_FindPixelPos(editor, x, y, cursor, NULL);
if (isExact) *isExact = bResult;
return TRUE;
}
/* Returns the character offset closest to the pixel position
*
* x & y are pixel positions in client coordinates.
*
* isExact will be set to TRUE if the run is directly under the pixel
* position, FALSE if it not, unless isExact is set to NULL.
*/
int ME_CharFromPos(ME_TextEditor *editor, int x, int y, BOOL *isExact)
{
ME_Cursor cursor;
RECT rc;
BOOL bResult;
GetClientRect(editor->hWnd, &rc);
if (x < 0 || y < 0 || x >= rc.right || y >= rc.bottom) {
if (isExact) *isExact = FALSE;
return -1;
}
x += editor->horz_si.nPos;
y += editor->vert_si.nPos;
bResult = ME_FindPixelPos(editor, x, y, &cursor, NULL);
if (isExact) *isExact = bResult;
return (ME_GetParagraph(cursor.pRun)->member.para.nCharOfs
+ cursor.pRun->member.run.nCharOfs + cursor.nOffset);
}
void ME_MouseMove(ME_TextEditor *editor, int x, int y)
{
ME_Cursor tmp_cursor;
y += ME_GetYScrollPos(editor);
tmp_cursor = editor->pCursors[0];
/* FIXME: do something with the return value of ME_FindPixelPos */
ME_FindPixelPos(editor, x, y, &tmp_cursor, &editor->bCaretAtEnd);
if (tmp_cursor.pRun == editor->pCursors[0].pRun &&
tmp_cursor.nOffset == editor->pCursors[0].nOffset)
return;
ME_InvalidateSelection(editor);
editor->pCursors[0] = tmp_cursor;
HideCaret(editor->hWnd);
ME_MoveCaret(editor);
ME_InvalidateSelection(editor);
ShowCaret(editor->hWnd);
ME_SendSelChange(editor);
}
void ME_LButtonDown(ME_TextEditor *editor, int x, int y, int clickNum)
{
ME_Cursor tmp_cursor;
int is_selection = 0;
BOOL is_shift;
editor->nUDArrowX = -1;
x += editor->horz_si.nPos;
y += editor->vert_si.nPos;
tmp_cursor = editor->pCursors[0];
is_selection = ME_IsSelection(editor);
is_shift = GetKeyState(VK_SHIFT) < 0;
ME_FindPixelPos(editor, x, y, &editor->pCursors[0], &editor->bCaretAtEnd);
if (x >= editor->rcFormat.left || is_shift)
{
if (clickNum > 1)
{
editor->pCursors[1] = editor->pCursors[0];
if (is_shift) {
if (x >= editor->rcFormat.left)
ME_SelectByType(editor, stWord);
else
ME_SelectByType(editor, stParagraph);
} else if (clickNum % 2 == 0) {
ME_SelectByType(editor, stWord);
} else {
ME_SelectByType(editor, stParagraph);
}
}
else if (!is_shift)
{
editor->nSelectionType = stPosition;
editor->pCursors[1] = editor->pCursors[0];
}
else if (!is_selection)
{
editor->nSelectionType = stPosition;
editor->pCursors[1] = tmp_cursor;
}
else if (editor->nSelectionType != stPosition)
{
ME_ExtendAnchorSelection(editor);
}
}
else
{
if (clickNum < 2) {
ME_SelectByType(editor, stLine);
} else if (clickNum % 2 == 0 || is_shift) {
ME_SelectByType(editor, stParagraph);
} else {
ME_SelectByType(editor, stDocument);
}
}
ME_InvalidateSelection(editor);
HideCaret(editor->hWnd);
ME_ShowCaret(editor);
ME_ClearTempStyle(editor);
ME_SendSelChange(editor);
}
void ME_LButtonDown(ME_TextEditor *editor, int x, int y)
{
ME_Cursor tmp_cursor;
int is_selection = 0;
editor->nUDArrowX = -1;
y += ME_GetYScrollPos(editor);
tmp_cursor = editor->pCursors[0];
is_selection = ME_IsSelection(editor);
if (x >= editor->selofs)
{
ME_FindPixelPos(editor, x, y, &editor->pCursors[0], &editor->bCaretAtEnd);
if (GetKeyState(VK_SHIFT)>=0)
{
editor->pCursors[1] = editor->pCursors[0];
}
else if (!is_selection) {
editor->pCursors[1] = tmp_cursor;
is_selection = 1;
}
ME_InvalidateSelection(editor);
HideCaret(editor->hWnd);
ME_MoveCaret(editor);
ShowCaret(editor->hWnd);
ME_ClearTempStyle(editor);
ME_SendSelChange(editor);
}
else
{
ME_DisplayItem *pRow;
editor->linesel = 1;
editor->sely = y;
/* Set pCursors[0] to beginning of line */
ME_FindPixelPos(editor, x, y, &editor->pCursors[1], &editor->bCaretAtEnd);
/* Set pCursors[1] to end of line */
pRow = ME_FindItemFwd(editor->pCursors[1].pRun, diStartRowOrParagraphOrEnd);
assert(pRow);
/* pCursor[0] is the position where the cursor will be drawn,
* pCursor[1] is the other end of the selection range
* pCursor[2] and [3] are backups of [0] and [1] so I
* don't have to look them up again
*/
if (pRow->type == diStartRow) {
/* FIXME WTF was I thinking about here ? */
ME_DisplayItem *pRun = ME_FindItemFwd(pRow, diRun);
assert(pRun);
editor->pCursors[0].pRun = pRun;
editor->pCursors[0].nOffset = 0;
editor->bCaretAtEnd = 1;
} else {
editor->pCursors[0].pRun = ME_FindItemBack(pRow, diRun);
assert(editor->pCursors[0].pRun && editor->pCursors[0].pRun->member.run.nFlags & MERF_ENDPARA);
editor->pCursors[0].nOffset = 0;
editor->bCaretAtEnd = 0;
}
editor->pCursors[2] = editor->pCursors[0];
editor->pCursors[3] = editor->pCursors[1];
ME_InvalidateSelection(editor);
HideCaret(editor->hWnd);
ME_MoveCaret(editor);
ShowCaret(editor->hWnd);
ME_ClearTempStyle(editor);
ME_SendSelChange(editor);
}
}
