107 lines
3.0 KiB
Plaintext
107 lines
3.0 KiB
Plaintext
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To: vim_dev@googlegroups.com
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Subject: Patch 7.3.759
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Fcc: outbox
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From: Bram Moolenaar <Bram@moolenaar.net>
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Mime-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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------------
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Patch 7.3.759
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Problem: MS-Windows: Updating the tabline is slow when there are many tabs.
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Solution: Disable redrawing while performing the update. (Arseny Kapoulkine)
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Files: src/gui_w48.c
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*** ../vim-7.3.758/src/gui_w48.c 2012-11-20 16:53:34.000000000 +0100
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--- src/gui_w48.c 2012-12-12 17:10:21.000000000 +0100
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***************
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*** 2452,2458 ****
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TCITEM tie;
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int nr = 0;
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int curtabidx = 0;
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- RECT rc;
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#ifdef FEAT_MBYTE
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static int use_unicode = FALSE;
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int uu;
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--- 2452,2457 ----
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***************
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*** 2479,2491 ****
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tie.mask = TCIF_TEXT;
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tie.iImage = -1;
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/* Add a label for each tab page. They all contain the same text area. */
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for (tp = first_tabpage; tp != NULL; tp = tp->tp_next, ++nr)
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{
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if (tp == curtab)
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curtabidx = nr;
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! if (!TabCtrl_GetItemRect(s_tabhwnd, nr, &rc))
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{
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/* Add the tab */
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tie.pszText = "-Empty-";
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--- 2478,2493 ----
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tie.mask = TCIF_TEXT;
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tie.iImage = -1;
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+ /* Disable redraw for tab updates to eliminate O(N^2) draws. */
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+ SendMessage(s_tabhwnd, WM_SETREDRAW, (WPARAM)FALSE, 0);
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+
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/* Add a label for each tab page. They all contain the same text area. */
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for (tp = first_tabpage; tp != NULL; tp = tp->tp_next, ++nr)
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{
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if (tp == curtab)
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curtabidx = nr;
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! if (nr >= TabCtrl_GetItemCount(s_tabhwnd))
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{
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/* Add the tab */
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tie.pszText = "-Empty-";
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***************
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*** 2519,2529 ****
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}
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/* Remove any old labels. */
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! while (TabCtrl_GetItemRect(s_tabhwnd, nr, &rc))
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TabCtrl_DeleteItem(s_tabhwnd, nr);
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if (TabCtrl_GetCurSel(s_tabhwnd) != curtabidx)
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TabCtrl_SetCurSel(s_tabhwnd, curtabidx);
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}
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/*
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--- 2521,2534 ----
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}
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/* Remove any old labels. */
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! while (nr < TabCtrl_GetItemCount(s_tabhwnd))
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TabCtrl_DeleteItem(s_tabhwnd, nr);
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if (TabCtrl_GetCurSel(s_tabhwnd) != curtabidx)
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TabCtrl_SetCurSel(s_tabhwnd, curtabidx);
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+
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+ /* Re-enable redraw. This should trigger a repaint. */
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+ SendMessage(s_tabhwnd, WM_SETREDRAW, (WPARAM)TRUE, 0);
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}
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/*
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*** ../vim-7.3.758/src/version.c 2012-12-12 16:43:52.000000000 +0100
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--- src/version.c 2012-12-12 17:10:46.000000000 +0100
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***************
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*** 727,728 ****
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--- 727,730 ----
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{ /* Add new patch number below this line */
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+ /**/
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+ 759,
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/**/
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--
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hundred-and-one symptoms of being an internet addict:
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148. You find it easier to dial-up the National Weather Service
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Weather/your_town/now.html than to simply look out the window.
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/// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
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/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
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\\\ an exciting new programming language -- http://www.Zimbu.org ///
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\\\ help me help AIDS victims -- http://ICCF-Holland.org ///
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