a5ff60d9a8
Batch #16011 by Yommy: 0 byte-identical, 1 confirmed by peer review. - fn_10905 UIEditCtrl::Synchronize: logic confirmed by peer review Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
67 lines
2.6 KiB
C++
67 lines
2.6 KiB
C++
#include "Client/Input/InputCharset.h"
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#include "Client/Input/Language.h"
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#include "Network/TextEncoding.h"
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#include "UI/Edit/UIEditCtrl.h"
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#include <algorithm>
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#include <cstdint>
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#include <cstdlib>
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#include <cstring>
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// OFFSET: 0x00862FB0
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// FUNCTION: fn_10905
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void UIEditCtrl::Synchronize() {
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const int previousCursor = this->cursor;
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g_serverLanguage->CopyDisplayText(this->text);
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g_serverLanguage->Selection(this->anchor, this->cursor);
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this->Trim();
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bool clamped = false;
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if (static_cast<std::uint32_t>(this->cursor) > this->text.size() || static_cast<std::uint32_t>(this->anchor) > this->text.size()) {
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this->anchor = static_cast<int>(std::min(static_cast<std::uint32_t>(this->anchor), this->text.size()));
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this->cursor = static_cast<int>(std::min(static_cast<std::uint32_t>(this->cursor), this->text.size()));
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g_serverLanguage->Select(this->anchor, this->cursor);
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clamped = true;
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}
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if (this->cursor == 0) {
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this->firstVisible = 0;
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return;
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}
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std::string visibleText;
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const auto selection = static_cast<std::uint32_t>(std::abs(g_serverLanguage->cursor - g_serverLanguage->anchor));
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if (selection >= this->text.size()) {
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this->firstVisible = 0;
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}
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const auto measure = [&](const char* text, unsigned bytes) { return this->TextWidth(text, bytes, 0, 12, 0, 0); };
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if (this->cursor > previousCursor || clamped) {
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int before = 0;
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if (this->firstVisible != 0) {
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before = measure(this->text.c_str(), static_cast<unsigned>(this->firstVisible));
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}
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const int position = measure(this->text.c_str(), static_cast<unsigned>(this->cursor)) + 3 - before;
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if (position > this->geometry.width - 7) {
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const char* end = this->text.c_str() + this->text.size();
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const char* next = CharNextExA(static_cast<WORD>(g_textCodePage), this->text.c_str(), 0);
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while (measure(next, 0) + 3 > this->geometry.width - 7 && next < end) {
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next = CharNextExA(static_cast<WORD>(g_textCodePage), next, 0);
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}
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const auto tail = static_cast<std::uint32_t>(std::strlen(next));
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const int candidate = this->firstVisible + this->cursor - previousCursor;
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this->firstVisible = static_cast<int>(std::min(static_cast<std::uint32_t>(candidate), static_cast<std::uint32_t>(this->cursor) - tail));
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}
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} else if (this->cursor < previousCursor) {
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if (measure(this->text.c_str(), static_cast<unsigned>(this->cursor)) + 3 < this->geometry.width - 7 && this->firstVisible > this->cursor) {
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this->firstVisible += this->cursor - previousCursor;
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}
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this->firstVisible = std::max(this->firstVisible, 0);
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}
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}
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