mirror of
https://github.com/rizonesoft/Notepad3.git
synced 2026-06-14 21:09:05 +08:00
350 lines
11 KiB
C
350 lines
11 KiB
C
// encoding: UTF-8
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/******************************************************************************
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* *
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* *
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* Notepad3 *
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* *
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* Notepad3Util.c *
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* Utility functions extracted from Notepad3.c *
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* Based on code from Notepad2, (c) Florian Balmer 1996-2011 *
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* *
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* (c) Rizonesoft 2008-2026 *
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* https://rizonesoft.com *
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* *
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* *
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*******************************************************************************/
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#include "Helpers.h"
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#include <commctrl.h>
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#include <shlobj.h>
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#include <shlwapi.h>
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#include "PathLib.h"
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#include "Dialogs.h"
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#include "Encoding.h"
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#include "MuiLanguage.h"
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#include "Notepad3.h"
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#include "Notepad3Util.h"
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// ============================================================================
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// --- Bitmap / Image Loading ---
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// ============================================================================
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//=============================================================================
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//
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// NP3Util_LoadBitmapFile()
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//
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HBITMAP NP3Util_LoadBitmapFile(const HPATHL hpath)
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{
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HBITMAP hbmp = NULL;
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if (Path_IsExistingFile(hpath)) {
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hbmp = (HBITMAP)LoadImage(NULL, Path_Get(hpath), IMAGE_BITMAP, 0, 0, LR_CREATEDIBSECTION | LR_LOADFROMFILE);
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bool bDimOK = false;
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int height = 16;
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if (hbmp) {
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BITMAP bmp = { 0 };
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GetObject(hbmp, sizeof(BITMAP), &bmp);
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height = bmp.bmHeight;
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bDimOK = (bmp.bmWidth >= (height * NUMTOOLBITMAPS));
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}
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if (!bDimOK) {
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InfoBoxLng(MB_ICONWARNING, L"NotSuitableToolbarDim", IDS_MUI_ERR_BITMAP, Path_Get(hpath),
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(height * NUMTOOLBITMAPS), height, NUMTOOLBITMAPS);
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}
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}
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else {
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WCHAR displayName[80];
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Path_GetDisplayName(displayName, 80, hpath, L"<unknown>", false);
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InfoBoxLng(MB_ICONWARNING, NULL, IDS_MUI_ERR_LOADFILE, displayName);
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}
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return hbmp;
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}
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//=============================================================================
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//
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// NP3Util_XXX_CreateScaledImageListFromBitmap()
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//
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HIMAGELIST NP3Util_XXX_CreateScaledImageListFromBitmap(HWND hWnd, HBITMAP hBmp)
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{
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BITMAP bmp = { 0 };
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GetObject(hBmp, sizeof(BITMAP), &bmp);
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int const mod = bmp.bmWidth % NUMTOOLBITMAPS;
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int const cx = (bmp.bmWidth - mod) / NUMTOOLBITMAPS;
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int const cy = bmp.bmHeight;
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HIMAGELIST himl = ImageList_Create(cx, cy, ILC_COLOR32 | ILC_MASK, NUMTOOLBITMAPS, NUMTOOLBITMAPS);
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ImageList_AddMasked(himl, hBmp, CLR_DEFAULT);
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UINT const dpi = Scintilla_GetWindowDPI(hWnd);
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if (!Settings.DpiScaleToolBar || (dpi == USER_DEFAULT_SCREEN_DPI)) {
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return himl; // default DPI, we are done
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}
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// Scale button icons/images
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int const scx = ScaleIntToDPI(hWnd, cx);
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int const scy = ScaleIntToDPI(hWnd, cy);
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HIMAGELIST hsciml = ImageList_Create(scx, scy, ILC_COLOR32 | ILC_MASK | ILC_HIGHQUALITYSCALE, NUMTOOLBITMAPS, NUMTOOLBITMAPS);
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for (int i = 0; i < NUMTOOLBITMAPS; ++i) {
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HICON const hicon = ImageList_GetIcon(himl, i, ILD_TRANSPARENT | ILD_PRESERVEALPHA | ILD_SCALE);
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ImageList_AddIcon(hsciml, hicon);
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DestroyIcon(hicon);
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}
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ImageList_Destroy(himl);
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return hsciml;
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}
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//=============================================================================
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//
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// NP3Util_CreateScaledImageListFromBitmap()
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//
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HIMAGELIST NP3Util_CreateScaledImageListFromBitmap(HWND hWnd, HBITMAP hBmp)
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{
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BITMAP bmp = { 0 };
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GetObject(hBmp, sizeof(BITMAP), &bmp);
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int const numOfToolBitmaps = (int)(bmp.bmWidth / bmp.bmHeight);
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int const mod = bmp.bmWidth % numOfToolBitmaps;
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int const cx = (bmp.bmWidth - mod) / numOfToolBitmaps;
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int const cy = bmp.bmHeight;
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HIMAGELIST himl = ImageList_Create(cx, cy, ILC_COLOR32 | ILC_MASK, numOfToolBitmaps, numOfToolBitmaps);
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ImageList_AddMasked(himl, hBmp, CLR_DEFAULT);
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UINT const dpi = Scintilla_GetWindowDPI(hWnd);
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if (!Settings.DpiScaleToolBar || (dpi == USER_DEFAULT_SCREEN_DPI)) {
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return himl; // default DPI, we are done
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}
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// Scale button icons/images
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int const scx = ScaleIntToDPI(hWnd, cx);
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int const scy = ScaleIntToDPI(hWnd, cy);
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HIMAGELIST hsciml = ImageList_Create(scx, scy, ILC_COLOR32 | ILC_MASK | ILC_HIGHQUALITYSCALE, numOfToolBitmaps, numOfToolBitmaps);
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for (int i = 0; i < numOfToolBitmaps; ++i) {
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HICON const hicon = ImageList_GetIcon(himl, i, ILD_TRANSPARENT | ILD_PRESERVEALPHA | ILD_SCALE);
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ImageList_AddIcon(hsciml, hicon);
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DestroyIcon(hicon);
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}
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ImageList_Destroy(himl);
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return hsciml;
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}
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// ============================================================================
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// --- Word-Wrap Configuration ---
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// ============================================================================
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//=============================================================================
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//
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// NP3Util_SetWrapStartIndent()
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//
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void NP3Util_SetWrapStartIndent(void)
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{
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int i = 0;
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switch (Settings.WordWrapIndent) {
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case 1:
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i = 1;
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break;
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case 2:
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i = 2;
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break;
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case 3:
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i = (Globals.fvCurFile.iIndentWidth) ? 1 * Globals.fvCurFile.iIndentWidth : 1 * Globals.fvCurFile.iTabWidth;
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break;
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case 4:
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i = (Globals.fvCurFile.iIndentWidth) ? 2 * Globals.fvCurFile.iIndentWidth : 2 * Globals.fvCurFile.iTabWidth;
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break;
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default:
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break;
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}
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SciCall_SetWrapStartIndent(i);
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}
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//=============================================================================
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//
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// NP3Util_SetWrapIndentMode()
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//
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void NP3Util_SetWrapIndentMode(void)
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{
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BeginWaitCursorUID(Flags.bHugeFileLoadState, IDS_MUI_SB_WRAP_LINES);
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Sci_SetWrapModeEx(GET_WRAP_MODE());
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if (Settings.WordWrapIndent == 5) {
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SciCall_SetWrapIndentMode(SC_WRAPINDENT_SAME);
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} else if (Settings.WordWrapIndent == 6) {
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SciCall_SetWrapIndentMode(SC_WRAPINDENT_INDENT);
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} else if (Settings.WordWrapIndent == 7) {
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SciCall_SetWrapIndentMode(SC_WRAPINDENT_DEEPINDENT);
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} else {
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NP3Util_SetWrapStartIndent();
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SciCall_SetWrapIndentMode(SC_WRAPINDENT_FIXED);
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}
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EndWaitCursor();
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}
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//=============================================================================
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//
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// NP3Util_SetWrapVisualFlags()
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//
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void NP3Util_SetWrapVisualFlags(HWND hwndEditCtrl)
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{
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UNREFERENCED_PARAMETER(hwndEditCtrl);
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if (Settings.ShowWordWrapSymbols) {
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int wrapVisualFlags = 0;
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int wrapVisualFlagsLocation = 0;
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if (Settings.WordWrapSymbols == 0) {
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Settings.WordWrapSymbols = 22;
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}
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switch (Settings.WordWrapSymbols % 10) {
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case 1:
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wrapVisualFlags |= SC_WRAPVISUALFLAG_END;
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wrapVisualFlagsLocation |= SC_WRAPVISUALFLAGLOC_END_BY_TEXT;
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break;
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case 2:
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wrapVisualFlags |= SC_WRAPVISUALFLAG_END;
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break;
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}
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switch (((Settings.WordWrapSymbols % 100) - (Settings.WordWrapSymbols % 10)) / 10) {
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case 1:
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wrapVisualFlags |= SC_WRAPVISUALFLAG_START;
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wrapVisualFlagsLocation |= SC_WRAPVISUALFLAGLOC_START_BY_TEXT;
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break;
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case 2:
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wrapVisualFlags |= SC_WRAPVISUALFLAG_START;
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break;
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}
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SciCall_SetWrapVisualFlags(wrapVisualFlags);
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SciCall_SetWrapVisualFlagsLocation(wrapVisualFlagsLocation);
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} else {
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SciCall_SetWrapVisualFlags(0);
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}
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}
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// ============================================================================
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// --- Auto-Scroll (middle-click continuous scroll, Firefox-style) ---
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// ============================================================================
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static bool s_bAutoScrollMode = false;
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static bool s_bAutoScrollHeld = false;
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static ULONGLONG s_dwAutoScrollStartTick = 0;
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static POINT s_ptAutoScrollOrigin = { 0, 0 };
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static POINT s_ptAutoScrollMouse = { 0, 0 };
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static double s_dAutoScrollAccumY = 0.0;
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bool NP3Util_IsAutoScrollMode(void)
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{
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return s_bAutoScrollMode;
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}
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bool NP3Util_IsAutoScrollHeld(void)
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{
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return s_bAutoScrollHeld;
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}
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ULONGLONG NP3Util_GetAutoScrollStartTick(void)
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{
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return s_dwAutoScrollStartTick;
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}
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void NP3Util_SetAutoScrollHeld(bool held)
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{
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s_bAutoScrollHeld = held;
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}
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void NP3Util_AutoScrollUpdateMouse(POINT pt)
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{
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s_ptAutoScrollMouse = pt;
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}
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//=============================================================================
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//
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// NP3Util_AutoScrollStop()
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//
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void NP3Util_AutoScrollStop(HWND hwndEdit)
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{
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if (s_bAutoScrollMode) {
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KillTimer(hwndEdit, ID_AUTOSCROLLTIMER);
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ReleaseCapture();
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SciCall_SetCursor(SC_CURSORNORMAL);
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s_bAutoScrollMode = false;
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s_bAutoScrollHeld = false;
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s_dAutoScrollAccumY = 0.0;
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}
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}
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//=============================================================================
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//
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// NP3Util_AutoScrollTimerProc()
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//
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void CALLBACK NP3Util_AutoScrollTimerProc(HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime)
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{
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UNREFERENCED_PARAMETER(uMsg);
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UNREFERENCED_PARAMETER(idEvent);
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UNREFERENCED_PARAMETER(dwTime);
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if (!s_bAutoScrollMode) {
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KillTimer(hwnd, ID_AUTOSCROLLTIMER);
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return;
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}
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int const deltaY = s_ptAutoScrollMouse.y - s_ptAutoScrollOrigin.y;
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if (abs(deltaY) <= AUTOSCROLL_DEADZONE) {
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s_dAutoScrollAccumY = 0.0;
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return;
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}
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// Speed: proportional to distance beyond dead zone
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double const speed = (double)(deltaY - (deltaY > 0 ? AUTOSCROLL_DEADZONE : -AUTOSCROLL_DEADZONE)) / AUTOSCROLL_DIVISOR;
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s_dAutoScrollAccumY += speed;
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DocLn const linesToScroll = (DocLn)s_dAutoScrollAccumY;
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if (linesToScroll != 0) {
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SciCall_LineScroll(0, linesToScroll);
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s_dAutoScrollAccumY -= (double)linesToScroll;
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}
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}
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//=============================================================================
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//
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// NP3Util_AutoScrollStart()
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//
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void NP3Util_AutoScrollStart(HWND hwndEdit, POINT pt)
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{
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s_bAutoScrollMode = true;
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s_bAutoScrollHeld = false;
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s_dwAutoScrollStartTick = GetTickCount64();
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s_ptAutoScrollOrigin = pt;
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s_ptAutoScrollMouse = pt;
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s_dAutoScrollAccumY = 0.0;
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SetCapture(hwndEdit);
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SetCursor(LoadCursor(NULL, IDC_SIZEALL));
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SetTimer(hwndEdit, ID_AUTOSCROLLTIMER, AUTOSCROLL_TIMER_MS, NP3Util_AutoScrollTimerProc);
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}
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