diff options
Diffstat (limited to 'prev/wintable/coord.h')
| -rw-r--r-- | prev/wintable/coord.h | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/prev/wintable/coord.h b/prev/wintable/coord.h deleted file mode 100644 index 52a70c9..0000000 --- a/prev/wintable/coord.h +++ /dev/null @@ -1,164 +0,0 @@ -// 4 december 2014 - -// TODO find a better place for these (metrics.h?) -static LONG textHeight(struct table *t, HDC dc, BOOL select) -{ - BOOL release; - HFONT prevfont, newfont; - TEXTMETRICW tm; - - release = FALSE; - if (dc == NULL) { - dc = GetDC(t->hwnd); - if (dc == NULL) - panic("error getting Table DC for rowHeight()"); - release = TRUE; - } - if (select) - prevfont = selectFont(t, dc, &newfont); - if (GetTextMetricsW(dc, &tm) == 0) - panic("error getting text metrics for rowHeight()"); - if (select) - deselectFont(dc, prevfont, newfont); - if (release) - if (ReleaseDC(t->hwnd, dc) == 0) - panic("error releasing Table DC for rowHeight()"); - return tm.tmHeight; -} - -#define tableImageWidth() GetSystemMetrics(SM_CXSMICON) -#define tableImageHeight() GetSystemMetrics(SM_CYSMICON) - -// TODO omit column types that are not present? -static LONG rowHeight(struct table *t, HDC dc, BOOL select) -{ - LONG height; - LONG tmHeight; - - height = tableImageHeight(); // start with this to avoid two function calls - tmHeight = textHeight(t, dc, select); - if (height < tmHeight) - height = tmHeight; - if (height < t->checkboxHeight) - height = t->checkboxHeight; - return height; -} - -#define rowht(t) rowHeight(t, NULL, TRUE) - -struct rowcol { - intptr_t row; - intptr_t column; -}; - -static struct rowcol clientCoordToRowColumn(struct table *t, POINT pt) -{ - RECT r; - struct rowcol rc; - intptr_t i; - - if (GetClientRect(t->hwnd, &r) == 0) - panic("error getting Table client rect in clientCoordToRowColumn()"); - r.top += t->headerHeight; - if (PtInRect(&r, pt) == 0) - goto outside; - - // the row is easy - pt.y -= t->headerHeight; - rc.row = (pt.y / rowht(t)) + t->vscrollpos; - if (rc.row >= t->count) - goto outside; - - // the column... not so much - // we scroll p.x, then subtract column widths until we cross the left edge of the control - pt.x += t->hscrollpos; - rc.column = 0; - for (i = 0; i < t->nColumns; i++) { - pt.x -= columnWidth(t, i); - // use <, not <=, here: - // assume r.left and t->hscrollpos == 0; - // given the first column is 100 wide, - // pt.x == 0 (first pixel of col 0) -> p.x - 100 == -100 < 0 -> break - // pt.x == 99 (last pixel of col 0) -> p.x - 100 == -1 < 0 -> break - // pt.x == 100 (first pixel of col 1) -> p.x - 100 == 0 >= 0 -> next column - if (pt.x < r.left) - break; - rc.column++; - } - if (rc.column >= t->nColumns) - goto outside; - - return rc; - -outside: - rc.row = -1; - rc.column = -1; - return rc; -} - -// same as client coordinates, but stored in a lParam (like the various mouse messages provide) -static struct rowcol lParamToRowColumn(struct table *t, LPARAM lParam) -{ - POINT pt; - - pt.x = GET_X_LPARAM(lParam); - pt.y = GET_Y_LPARAM(lParam); - return clientCoordToRowColumn(t, pt); -} - -// returns TRUE if the row is visible (even partially visible) and thus has a rectangle in the client area; FALSE otherwise -static BOOL rowColumnToClientRect(struct table *t, struct rowcol rc, RECT *r) -{ - RECT client; - RECT out; // don't change r if we return FALSE - LONG height; - intptr_t xpos; - intptr_t i; - - if (rc.row < t->vscrollpos) - return FALSE; - rc.row -= t->vscrollpos; // align with client.top - - if (GetClientRect(t->hwnd, &client) == 0) - panic("error getting Table client rect in rowColumnToClientRect()"); - client.top += t->headerHeight; - - height = rowht(t); - out.top = client.top + (rc.row * height); - if (out.top >= client.bottom) // >= because RECT.bottom is the first pixel outside the rectangle - return FALSE; - out.bottom = out.top + height; - - // and again the columns are the hard part - // so we start with client.left - t->hscrollpos, then keep adding widths until we get to the column we want - xpos = client.left - t->hscrollpos; - for (i = 0; i < rc.column; i++) - xpos += columnWidth(t, i); - // did we stray too far to the right? if so it's not visible - if (xpos >= client.right) // >= because RECT.right is the first pixel outside the rectangle - return FALSE; - out.left = xpos; - out.right = xpos + columnWidth(t, rc.column); - // and is this too far to the left? - if (out.right < client.left) // < because RECT.left is the first pixel inside the rect - return FALSE; - - *r = out; - return TRUE; -} - -// TODO idealCoordToRowColumn/rowColumnToIdealCoord? - -static void toCellContentRect(struct table *t, RECT *r, LRESULT xoff, intptr_t width, intptr_t height) -{ - if (xoff == 0) - xoff = SendMessageW(t->header, HDM_GETBITMAPMARGIN, 0, 0); - r->left += xoff; - if (width != 0) - r->right = r->left + width; - if (height != 0) - // TODO vertical center - r->bottom = r->top + height; -} - -#define toCheckboxRect(t, r, xoff) toCellContentRect(t, r, xoff, t->checkboxWidth, t->checkboxHeight) |