183 if (GetStartSelectionPos() != -1 &&
184 GetEndSelectionPos() != -1 &&
185 lCurPos != GetLastSelectionPos()) {
186
187 CHARRANGE cr;
188
189 SetLastSelectionPos(lCurPos);
190
191 cr.cpMin = GetStartSelectionPos();
192 cr.cpMax = GetLastSelectionPos();
193
194 EditSetSel(cr);
195 }
196
197 if (bScrollLeft == TRUE || bScrollRight == TRUE) {
198 SCROLLINFO si;
199 memset(&si, 0, sizeof(si));
200 si.cbSize = sizeof(si);
201 si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE;
202
203 VERIFY(::GetScrollInfo(GetHWnd(), SB_HORZ, &si));
204 if (bScrollLeft == TRUE) {
205 si.nPos = si.nPos - si.nPage / 2;
206 si.nPos = max(si.nMin, si.nPos);
207 } else if (bScrollRight == TRUE) {
208 si.nPos = si.nPos + si.nPage / 2;
209 si.nPos = min(si.nPos, si.nMax);
210 }
211 /*
212 * Okay to use 16-bit position since RichEdit control adjusts
213 * its scrollbars so that their range is always 16-bit.
214 */
215 DASSERT(abs(si.nPos) < 0x8000);
216 SendMessage(WM_HSCROLL,
217 MAKEWPARAM(SB_THUMBPOSITION, LOWORD(si.nPos)));
218 }
219 delete msg;
220 return mrConsume;
221 } else if (msg->message == WM_KEYDOWN) {
222 UINT virtualKey = (UINT) msg->wParam;
223
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183 if (GetStartSelectionPos() != -1 &&
184 GetEndSelectionPos() != -1 &&
185 lCurPos != GetLastSelectionPos()) {
186
187 CHARRANGE cr;
188
189 SetLastSelectionPos(lCurPos);
190
191 cr.cpMin = GetStartSelectionPos();
192 cr.cpMax = GetLastSelectionPos();
193
194 EditSetSel(cr);
195 }
196
197 if (bScrollLeft == TRUE || bScrollRight == TRUE) {
198 SCROLLINFO si;
199 memset(&si, 0, sizeof(si));
200 si.cbSize = sizeof(si);
201 si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE;
202
203 SendMessage(EM_SHOWSCROLLBAR, SB_HORZ, TRUE);
204 VERIFY(::GetScrollInfo(GetHWnd(), SB_HORZ, &si));
205 SendMessage(EM_SHOWSCROLLBAR, SB_HORZ, FALSE);
206
207 if (bScrollLeft == TRUE) {
208 si.nPos = si.nPos - si.nPage / 2;
209 si.nPos = max(si.nMin, si.nPos);
210 } else if (bScrollRight == TRUE) {
211 si.nPos = si.nPos + si.nPage / 2;
212 si.nPos = min(si.nPos, si.nMax);
213 }
214 /*
215 * Okay to use 16-bit position since RichEdit control adjusts
216 * its scrollbars so that their range is always 16-bit.
217 */
218 DASSERT(abs(si.nPos) < 0x8000);
219 SendMessage(WM_HSCROLL,
220 MAKEWPARAM(SB_THUMBPOSITION, LOWORD(si.nPos)));
221 }
222 delete msg;
223 return mrConsume;
224 } else if (msg->message == WM_KEYDOWN) {
225 UINT virtualKey = (UINT) msg->wParam;
226
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