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刘博顺修改

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L.Andrew 1 year ago
parent 1006a53e68
commit 2893ff7bb2
1 changed files with 201 additions and 188 deletions
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src/PowerEditor/src/ScintillaComponent/FindReplaceDlg.cpp
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@ -23,231 +23,244 @@
#include "Common.h" #include "Common.h"
#include "Utf8.h" #include "Utf8.h"
把代码逐行注释如下：
// 引入命名空间
using namespace std; using namespace std;
// 定义 FindOption 类指针和静态变量 _options
FindOption * FindReplaceDlg::_env; FindOption * FindReplaceDlg::_env;
FindOption FindReplaceDlg::_options; FindOption FindReplaceDlg::_options;
// 定义 SHIFTED 常量
#define SHIFTED 0x8000 #define SHIFTED 0x8000
// 向 Combo Box 中添加文本
void addText2Combo(const TCHAR * txt2add, HWND hCombo) void addText2Combo(const TCHAR * txt2add, HWND hCombo)
{ {
if (!hCombo) return; // 如果没有 Combo Box 或者 txt2add 为空，则返回
if (!lstrcmp(txt2add, TEXT(""))) return; if (!hCombo) return;
if (!lstrcmp(txt2add, TEXT(""))) return;
auto i = ::SendMessage(hCombo, CB_FINDSTRINGEXACT, static_cast<WPARAM>(-1), reinterpret_cast<LPARAM>(txt2add));
if (i != CB_ERR) // found // 查找是否已经存在该文本，如果存在则删除
{ auto i = ::SendMessage(hCombo, CB_FINDSTRINGEXACT, static_cast<WPARAM>(-1), reinterpret_cast<LPARAM>(txt2add));
::SendMessage(hCombo, CB_DELETESTRING, i, 0); if (i != CB_ERR) // found
} {
::SendMessage(hCombo, CB_DELETESTRING, i, 0);
}
i = ::SendMessage(hCombo, CB_INSERTSTRING, 0, reinterpret_cast<LPARAM>(txt2add)); // 将文本插入 Combo Box，并设置为当前选中项
::SendMessage(hCombo, CB_SETCURSEL, i, 0); i = ::SendMessage(hCombo, CB_INSERTSTRING, 0, reinterpret_cast<LPARAM>(txt2add));
::SendMessage(hCombo, CB_SETCURSEL, i, 0);
} }
// 从 Combo Box 中获取文本
generic_string getTextFromCombo(HWND hCombo) generic_string getTextFromCombo(HWND hCombo)
{ {
TCHAR str[FINDREPLACE_MAXLENGTH] = { '\0' }; TCHAR str[FINDREPLACE_MAXLENGTH] = { '\0' };
::SendMessage(hCombo, WM_GETTEXT, FINDREPLACE_MAXLENGTH - 1, reinterpret_cast<LPARAM>(str)); ::SendMessage(hCombo, WM_GETTEXT, FINDREPLACE_MAXLENGTH - 1, reinterpret_cast<LPARAM>(str));
return generic_string(str); return generic_string(str);
} }
// 删除编辑框中光标左边的单词
void delLeftWordInEdit(HWND hEdit) void delLeftWordInEdit(HWND hEdit)
{ {
TCHAR str[FINDREPLACE_MAXLENGTH] = { '\0' }; TCHAR str[FINDREPLACE_MAXLENGTH] = { '\0' };
::SendMessage(hEdit, WM_GETTEXT, FINDREPLACE_MAXLENGTH - 1, reinterpret_cast<LPARAM>(str)); ::SendMessage(hEdit, WM_GETTEXT, FINDREPLACE_MAXLENGTH - 1, reinterpret_cast<LPARAM>(str));
WORD cursor = 0; WORD cursor = 0;
::SendMessage(hEdit, EM_GETSEL, (WPARAM)&cursor, 0); ::SendMessage(hEdit, EM_GETSEL, (WPARAM)&cursor, 0);
WORD wordstart = cursor; WORD wordstart = cursor;
while (wordstart > 0) { while (wordstart > 0) {
TCHAR c = str[wordstart - 1]; TCHAR c = str[wordstart - 1];
if (c != ' ' && c != '\t') if (c != ' ' && c != '\t')
break; break;
--wordstart; --wordstart;
} }
while (wordstart > 0) { while (wordstart > 0) {
TCHAR c = str[wordstart - 1]; TCHAR c = str[wordstart - 1];
if (c == ' ' || c == '\t') if (c == ' ' || c == '\t')
break; break;
--wordstart; --wordstart;
} }
if (wordstart < cursor) { if (wordstart < cursor) {
::SendMessage(hEdit, EM_SETSEL, (WPARAM)wordstart, (LPARAM)cursor); ::SendMessage(hEdit, EM_SETSEL, (WPARAM)wordstart, (LPARAM)cursor);
::SendMessage(hEdit, EM_REPLACESEL, (WPARAM)TRUE, reinterpret_cast<LPARAM>(L"")); ::SendMessage(hEdit, EM_REPLACESEL, (WPARAM)TRUE, reinterpret_cast<LPARAM>(L""));
} }
} }
// 运行交换按钮处理函数
LRESULT run_swapButtonProc(WNDPROC oldEditProc, HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) LRESULT run_swapButtonProc(WNDPROC oldEditProc, HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{ {
switch (message) switch (message)
{ {
case WM_RBUTTONUP: case WM_RBUTTONUP:
{ {
::SendMessage(GetParent(hwnd), message, wParam, lParam); ::SendMessage(GetParent(hwnd), message, wParam, lParam);
break; break;
} }
default: default:
break; break;
} }
return ::CallWindowProc(oldEditProc, hwnd, message, wParam, lParam); return ::CallWindowProc(oldEditProc, hwnd, message, wParam, lParam);
} }
// 将扩展字符转换为字符串
int Searching::convertExtendedToString(const TCHAR * query, TCHAR * result, int length) int Searching::convertExtendedToString(const TCHAR * query, TCHAR * result, int length)
{ //query may equal to result, since it always gets smaller { //query may equal to result, since it always gets smaller
int i = 0, j = 0; int i = 0, j = 0;
int charLeft = length; int charLeft = length;
TCHAR current; TCHAR current;
while (i < length) while (i < length)
{ //because the backslash escape quences always reduce the size of the generic_string, no overflow checks have to be made for target, assuming parameters are correct { //because the backslash escape quences always reduce the size of the generic_string, no overflow checks have to be made for target, assuming parameters are correct
current = query[i]; current = query[i];
--charLeft; --charLeft;
if (current == '\\' && charLeft) if (current == '\\' && charLeft)
{ //possible escape sequence { //possible escape sequence
++i; ++i;
--charLeft; --charLeft;
current = query[i]; current = query[i];
switch(current) switch(current)
{ {
case 'r': case 'r':
result[j] = '\r'; result[j] = '\r';
break; break;
case 'n': case 'n':
result[j] = '\n'; result[j] = '\n';
break; break;
case '0': case '0':
result[j] = '\0'; result[j] = '\0';
break; break;
case 't': case 't':
result[j] = '\t'; result[j] = '\t';
break; break;
case '\\': case '\\':
result[j] = '\\'; result[j] = '\\';
break; break;
case 'b': case 'b':
case 'd': case 'd':
case 'o': case 'o':
case 'x': case 'x':
case 'u': case 'u':
{ {
int size = 0, base = 0; int size = 0, base = 0;
if (current == 'b') if (current == 'b')
{ //11111111 { //11111111
size = 8, base = 2; size = 8, base = 2;
} }
else if (current == 'o') else if (current == 'o')
{ //377 { //377
size = 3, base = 8; size = 3, base = 8;
} }
else if (current == 'd') else if (current == 'd')
{ //255 { //255
size = 3, base = 10; size = 3, base = 10;
} }
else if (current == 'x') else if (current == 'x')
{ //0xFF { //0xFF
size = 2, base = 16; size = 2, base = 16;
} }
else if (current == 'u') else if (current == 'u')
{ //0xCDCD { //0xCDCD
size = 4, base = 16; size = 4, base = 16;
} }
if (charLeft >= size) if (charLeft >= size)
{ {
int res = 0; int res = 0;
if (Searching::readBase(query+(i+1), &res, base, size)) if (Searching::readBase(query+(i+1), &res, base, size))
{ {
result[j] = static_cast<TCHAR>(res); result[j] = static_cast<TCHAR>(res);
i += size; i += size;
break; break;
} }
} }
//not enough chars to make parameter, use default method as fallback //not enough chars to make parameter, use default method as fallback
[[fallthrough]]; [[fallthrough]];
} }
default: default:
{ //unknown sequence, treat as regular text { //unknown sequence, treat as regular text
result[j] = '\\'; result[j] = '\\';
++j; ++j;
result[j] = current; result[j] = current;
break; break;
} }
} }
} }
else else
{ {
result[j] = query[i]; result[j] = query[i];
} }
++i; ++i;
++j; ++j;
} }
result[j] = 0; result[j] = 0;
return j; return j;
} }
// 将字符串转换为指定进制的整数
bool Searching::readBase(const TCHAR * str, int * value, int base, int size) bool Searching::readBase(const TCHAR * str, int * value, int base, int size)
{ {
int i = 0, temp = 0; int i = 0, temp = 0;
*value = 0; *value = 0;
TCHAR max = '0' + static_cast<TCHAR>(base) - 1; TCHAR max = '0' + static_cast<TCHAR>(base) - 1;
TCHAR current; TCHAR current;
while (i < size) while (i < size)
{ {
current = str[i]; current = str[i];
if (current >= 'A') if (current >= 'A')
{ {
current &= 0xdf; current &= 0xdf;
current -= ('A' - '0' - 10); current -= ('A' - '0' - 10);
} }
else if (current > '9') else if (current > '9')
return false; return false;
if (current >= '0' && current <= max) if (current >= '0' && current <= max)
{ {
temp *= base; temp *= base;
temp += (current - '0'); temp += (current - '0');
} }
else else
{ {
return false; return false;
} }
++i; ++i;
} }
*value = temp; *value = temp;
return true; return true;
} }
// 在编辑框中显示查找结果
void Searching::displaySectionCentered(size_t posStart, size_t posEnd, ScintillaEditView * pEditView, bool isDownwards) void Searching::displaySectionCentered(size_t posStart, size_t posEnd, ScintillaEditView * pEditView, bool isDownwards)
{ {
// Make sure target lines are unfolded // 确保目标行未折叠
pEditView->execute(SCI_ENSUREVISIBLE, pEditView->execute(SCI_LINEFROMPOSITION, posStart)); pEditView->execute(SCI_ENSUREVISIBLE, pEditView->execute(SCI_LINEFROMPOSITION, posStart));
pEditView->execute(SCI_ENSUREVISIBLE, pEditView->execute(SCI_LINEFROMPOSITION, posEnd)); pEditView->execute(SCI_ENSUREVISIBLE, pEditView->execute(SCI_LINEFROMPOSITION, posEnd));
// Jump-scroll to center, if current position is out of view // 跳跃滚动到中心位置，如果当前位置不在视图内
pEditView->execute(SCI_SETVISIBLEPOLICY, CARET_JUMPS | CARET_EVEN); pEditView->execute(SCI_SETVISIBLEPOLICY, CARET_JUMPS | CARET_EVEN);
pEditView->execute(SCI_ENSUREVISIBLEENFORCEPOLICY, pEditView->execute(SCI_LINEFROMPOSITION, isDownwards ? posEnd : posStart)); pEditView->execute(SCI_ENSUREVISIBLEENFORCEPOLICY, pEditView->execute(SCI_LINEFROMPOSITION, isDownwards ? posEnd : posStart));
// When searching up, the beginning of the (possible multiline) result is important, when scrolling down the end // 当向上查找时，结果的开头很重要，而向下滚动时则是结尾
pEditView->execute(SCI_GOTOPOS, isDownwards ? posEnd : posStart); pEditView->execute(SCI_GOTOPOS, isDownwards ? posEnd : posStart);
pEditView->execute(SCI_SETVISIBLEPOLICY, CARET_EVEN); pEditView->execute(SCI_SETVISIBLEPOLICY, CARET_EVEN);
pEditView->execute(SCI_ENSUREVISIBLEENFORCEPOLICY, pEditView->execute(SCI_LINEFROMPOSITION, isDownwards ? posEnd : posStart)); pEditView->execute(SCI_ENSUREVISIBLEENFORCEPOLICY, pEditView->execute(SCI_LINEFROMPOSITION, isDownwards ? posEnd : posStart));
// Adjust so that we see the entire match; primarily horizontally // 调整以便看到整个匹配；主要是水平方向
pEditView->execute(SCI_SCROLLRANGE, posStart, posEnd); pEditView->execute(SCI_SCROLLRANGE, posStart, posEnd);
// Move cursor to end of result and select result // 将光标移动到结果的结尾并选择结果
pEditView->execute(SCI_GOTOPOS, posEnd); pEditView->execute(SCI_GOTOPOS, posEnd);
pEditView->execute(SCI_SETANCHOR, posStart); pEditView->execute(SCI_SETANCHOR, posStart);
// Update Scintilla's knowledge about what column the caret is in, so that if user // 更新 Scintilla 对插入符所在列的了解，以便如果用户在选择搜索结果后的首次导航时使用上/下箭头，则插入符不会跳到意外的列
// does up/down arrow as first navigation after the search result is selected, pEditView->execute(SCI_CHOOSECARETX);
// the caret doesn't jump to an unexpected column
pEditView->execute(SCI_CHOOSECARETX);
} }
// 定义静态变量 originalFinderProc 和 originalComboEditProc
WNDPROC FindReplaceDlg::originalFinderProc = nullptr; WNDPROC FindReplaceDlg::originalFinderProc = nullptr;
WNDPROC FindReplaceDlg::originalComboEditProc = nullptr; WNDPROC FindReplaceDlg::originalComboEditProc = nullptr;
// important : to activate all styles // important : to activate all styles
const int STYLING_MASK = 255; const int STYLING_MASK = 255;

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